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cmd/internal/obj: add As type for assembly opcodes

Browse source 
Passes toolstash/buildall.

Fixes #14692.

Change-Id: I4352678d8251309f2b8b7793674c550fac948006
Reviewed-on: https://go-review.googlesource.com/20350
Reviewed-by: Dave Cheney <dave@cheney.net>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Matthew Dempsky 2016-03-07 18:00:08 -08:00
parent b1785a5065
commit 0d9258a830
51 changed files with 461 additions and 459 deletions
Download patch file Download diff file Expand all files Collapse all files

44
src/cmd/asm/internal/arch/arch.go
View file

@ -27,7 +27,7 @@ const (
type Arch struct { type Arch struct {
*obj.LinkArch *obj.LinkArch
// Map of instruction names to enumeration. // Map of instruction names to enumeration.
Instructions map[string]int Instructions map[string]obj.As
// Map of register names to enumeration. // Map of register names to enumeration.
Register map[string]int16 Register map[string]int16
// Table of register prefix names. These are things like R for R(0) and SPR for SPR(268). // Table of register prefix names. These are things like R for R(0) and SPR for SPR(268).
@ -44,7 +44,7 @@ func nilRegisterNumber(name string, n int16) (int16, bool) {
return 0, false return 0, false
} }
var Pseudos = map[string]int{ var Pseudos = map[string]obj.As{
"DATA": obj.ADATA, "DATA": obj.ADATA,
"FUNCDATA": obj.AFUNCDATA, "FUNCDATA": obj.AFUNCDATA,
"GLOBL": obj.AGLOBL, "GLOBL": obj.AGLOBL,
@ -102,13 +102,13 @@ func archX86(linkArch *obj.LinkArch) *Arch {
register["PC"] = RPC register["PC"] = RPC
// Register prefix not used on this architecture. // Register prefix not used on this architecture.
instructions := make(map[string]int) instructions := make(map[string]obj.As)
for i, s := range obj.Anames { for i, s := range obj.Anames {
instructions[s] = i instructions[s] = obj.As(i)
} }
for i, s := range x86.Anames { for i, s := range x86.Anames {
if i >= obj.A_ARCHSPECIFIC { if obj.As(i) >= obj.A_ARCHSPECIFIC {
instructions[s] = i + obj.ABaseAMD64 instructions[s] = obj.As(i) + obj.ABaseAMD64
} }
} }
// Annoying aliases. // Annoying aliases.
@ -200,13 +200,13 @@ func archArm() *Arch {
"R": true, "R": true,
} }
instructions := make(map[string]int) instructions := make(map[string]obj.As)
for i, s := range obj.Anames { for i, s := range obj.Anames {
instructions[s] = i instructions[s] = obj.As(i)
} }
for i, s := range arm.Anames { for i, s := range arm.Anames {
if i >= obj.A_ARCHSPECIFIC { if obj.As(i) >= obj.A_ARCHSPECIFIC {
instructions[s] = i + obj.ABaseARM instructions[s] = obj.As(i) + obj.ABaseARM
} }
} }
// Annoying aliases. // Annoying aliases.
@ -288,13 +288,13 @@ func archArm64() *Arch {
"V": true, "V": true,
} }
instructions := make(map[string]int) instructions := make(map[string]obj.As)
for i, s := range obj.Anames { for i, s := range obj.Anames {
instructions[s] = i instructions[s] = obj.As(i)
} }
for i, s := range arm64.Anames { for i, s := range arm64.Anames {
if i >= obj.A_ARCHSPECIFIC { if obj.As(i) >= obj.A_ARCHSPECIFIC {
instructions[s] = i + obj.ABaseARM64 instructions[s] = obj.As(i) + obj.ABaseARM64
} }
} }
// Annoying aliases. // Annoying aliases.
@ -348,13 +348,13 @@ func archPPC64() *Arch {
"SPR": true, "SPR": true,
} }
instructions := make(map[string]int) instructions := make(map[string]obj.As)
for i, s := range obj.Anames { for i, s := range obj.Anames {
instructions[s] = i instructions[s] = obj.As(i)
} }
for i, s := range ppc64.Anames { for i, s := range ppc64.Anames {
if i >= obj.A_ARCHSPECIFIC { if obj.As(i) >= obj.A_ARCHSPECIFIC {
instructions[s] = i + obj.ABasePPC64 instructions[s] = obj.As(i) + obj.ABasePPC64
} }
} }
// Annoying aliases. // Annoying aliases.
@ -403,13 +403,13 @@ func archMips64() *Arch {
"R": true, "R": true,
} }
instructions := make(map[string]int) instructions := make(map[string]obj.As)
for i, s := range obj.Anames { for i, s := range obj.Anames {
instructions[s] = i instructions[s] = obj.As(i)
} }
for i, s := range mips.Anames { for i, s := range mips.Anames {
if i >= obj.A_ARCHSPECIFIC { if obj.As(i) >= obj.A_ARCHSPECIFIC {
instructions[s] = i + obj.ABaseMIPS64 instructions[s] = obj.As(i) + obj.ABaseMIPS64
} }
} }
// Annoying alias. // Annoying alias.

16
src/cmd/asm/internal/arch/arm.go
View file

@ -89,7 +89,7 @@ func jumpArm(word string) bool {
// IsARMCMP reports whether the op (as defined by an arm.A* constant) is // IsARMCMP reports whether the op (as defined by an arm.A* constant) is
// one of the comparison instructions that require special handling. // one of the comparison instructions that require special handling.
func IsARMCMP(op int) bool { func IsARMCMP(op obj.As) bool {
switch op { switch op {
case arm.ACMN, arm.ACMP, arm.ATEQ, arm.ATST: case arm.ACMN, arm.ACMP, arm.ATEQ, arm.ATST:
return true return true
@ -99,7 +99,7 @@ func IsARMCMP(op int) bool {
// IsARMSTREX reports whether the op (as defined by an arm.A* constant) is // IsARMSTREX reports whether the op (as defined by an arm.A* constant) is
// one of the STREX-like instructions that require special handling. // one of the STREX-like instructions that require special handling.
func IsARMSTREX(op int) bool { func IsARMSTREX(op obj.As) bool {
switch op { switch op {
case arm.ASTREX, arm.ASTREXD, arm.ASWPW, arm.ASWPBU: case arm.ASTREX, arm.ASTREXD, arm.ASWPW, arm.ASWPBU:
return true return true
@ -114,7 +114,7 @@ const aMCR = arm.ALAST + 1
// IsARMMRC reports whether the op (as defined by an arm.A* constant) is // IsARMMRC reports whether the op (as defined by an arm.A* constant) is
// MRC or MCR // MRC or MCR
func IsARMMRC(op int) bool { func IsARMMRC(op obj.As) bool {
switch op { switch op {
case arm.AMRC, aMCR: // Note: aMCR is defined in this package. case arm.AMRC, aMCR: // Note: aMCR is defined in this package.
return true return true
@ -123,7 +123,7 @@ func IsARMMRC(op int) bool {
} }
// IsARMFloatCmp reports whether the op is a floating comparison instruction. // IsARMFloatCmp reports whether the op is a floating comparison instruction.
func IsARMFloatCmp(op int) bool { func IsARMFloatCmp(op obj.As) bool {
switch op { switch op {
case arm.ACMPF, arm.ACMPD: case arm.ACMPF, arm.ACMPD:
return true return true
@ -135,7 +135,7 @@ func IsARMFloatCmp(op int) bool {
// The difference between MRC and MCR is represented by a bit high in the word, not // The difference between MRC and MCR is represented by a bit high in the word, not
// in the usual way by the opcode itself. Asm must use AMRC for both instructions, so // in the usual way by the opcode itself. Asm must use AMRC for both instructions, so
// we return the opcode for MRC so that asm doesn't need to import obj/arm. // we return the opcode for MRC so that asm doesn't need to import obj/arm.
func ARMMRCOffset(op int, cond string, x0, x1, x2, x3, x4, x5 int64) (offset int64, op0 int16, ok bool) { func ARMMRCOffset(op obj.As, cond string, x0, x1, x2, x3, x4, x5 int64) (offset int64, op0 obj.As, ok bool) {
op1 := int64(0) op1 := int64(0)
if op == arm.AMRC { if op == arm.AMRC {
op1 = 1 op1 = 1
@ -159,7 +159,7 @@ func ARMMRCOffset(op int, cond string, x0, x1, x2, x3, x4, x5 int64) (offset int
// IsARMMULA reports whether the op (as defined by an arm.A* constant) is // IsARMMULA reports whether the op (as defined by an arm.A* constant) is
// MULA, MULAWT or MULAWB, the 4-operand instructions. // MULA, MULAWT or MULAWB, the 4-operand instructions.
func IsARMMULA(op int) bool { func IsARMMULA(op obj.As) bool {
switch op { switch op {
case arm.AMULA, arm.AMULAWB, arm.AMULAWT: case arm.AMULA, arm.AMULAWB, arm.AMULAWT:
return true return true
@ -167,7 +167,7 @@ func IsARMMULA(op int) bool {
return false return false
} }
var bcode = []int{ var bcode = []obj.As{
arm.ABEQ, arm.ABEQ,
arm.ABNE, arm.ABNE,
arm.ABCS, arm.ABCS,
@ -198,7 +198,7 @@ func ARMConditionCodes(prog *obj.Prog, cond string) bool {
} }
/* hack to make B.NE etc. work: turn it into the corresponding conditional */ /* hack to make B.NE etc. work: turn it into the corresponding conditional */
if prog.As == arm.AB { if prog.As == arm.AB {
prog.As = int16(bcode[(bits^arm.C_SCOND_XOR)&0xf]) prog.As = bcode[(bits^arm.C_SCOND_XOR)&0xf]
bits = (bits &^ 0xf) | arm.C_SCOND_NONE bits = (bits &^ 0xf) | arm.C_SCOND_NONE
} }
prog.Scond = bits prog.Scond = bits

4
src/cmd/asm/internal/arch/arm64.go
View file

@ -51,7 +51,7 @@ func jumpArm64(word string) bool {
// IsARM64CMP reports whether the op (as defined by an arm.A* constant) is // IsARM64CMP reports whether the op (as defined by an arm.A* constant) is
// one of the comparison instructions that require special handling. // one of the comparison instructions that require special handling.
func IsARM64CMP(op int) bool { func IsARM64CMP(op obj.As) bool {
switch op { switch op {
case arm64.ACMN, arm64.ACMP, arm64.ATST, case arm64.ACMN, arm64.ACMP, arm64.ATST,
arm64.ACMNW, arm64.ACMPW, arm64.ATSTW: arm64.ACMNW, arm64.ACMPW, arm64.ATSTW:
@ -63,7 +63,7 @@ func IsARM64CMP(op int) bool {
// IsARM64STLXR reports whether the op (as defined by an arm64.A* // IsARM64STLXR reports whether the op (as defined by an arm64.A*
// constant) is one of the STLXR-like instructions that require special // constant) is one of the STLXR-like instructions that require special
// handling. // handling.
func IsARM64STLXR(op int) bool { func IsARM64STLXR(op obj.As) bool {
switch op { switch op {
case arm64.ASTLXRB, arm64.ASTLXRH, arm64.ASTLXRW, arm64.ASTLXR: case arm64.ASTLXRB, arm64.ASTLXRH, arm64.ASTLXRW, arm64.ASTLXR:
return true return true

9
src/cmd/asm/internal/arch/mips64.go
View file

@ -8,7 +8,10 @@
package arch package arch
import "cmd/internal/obj/mips" import (
"cmd/internal/obj"
"cmd/internal/obj/mips"
)
func jumpMIPS64(word string) bool { func jumpMIPS64(word string) bool {
switch word { switch word {
@ -20,7 +23,7 @@ func jumpMIPS64(word string) bool {
// IsMIPS64CMP reports whether the op (as defined by an mips.A* constant) is // IsMIPS64CMP reports whether the op (as defined by an mips.A* constant) is
// one of the CMP instructions that require special handling. // one of the CMP instructions that require special handling.
func IsMIPS64CMP(op int) bool { func IsMIPS64CMP(op obj.As) bool {
switch op { switch op {
case mips.ACMPEQF, mips.ACMPEQD, mips.ACMPGEF, mips.ACMPGED, case mips.ACMPEQF, mips.ACMPEQD, mips.ACMPGEF, mips.ACMPGED,
mips.ACMPGTF, mips.ACMPGTD: mips.ACMPGTF, mips.ACMPGTD:
@ -31,7 +34,7 @@ func IsMIPS64CMP(op int) bool {
// IsMIPS64MUL reports whether the op (as defined by an mips.A* constant) is // IsMIPS64MUL reports whether the op (as defined by an mips.A* constant) is
// one of the MUL/DIV/REM instructions that require special handling. // one of the MUL/DIV/REM instructions that require special handling.
func IsMIPS64MUL(op int) bool { func IsMIPS64MUL(op obj.As) bool {
switch op { switch op {
case mips.AMUL, mips.AMULU, mips.AMULV, mips.AMULVU, case mips.AMUL, mips.AMULU, mips.AMULV, mips.AMULVU,
mips.ADIV, mips.ADIVU, mips.ADIVV, mips.ADIVVU, mips.ADIV, mips.ADIVU, mips.ADIVV, mips.ADIVVU,

11
src/cmd/asm/internal/arch/ppc64.go
View file

@ -8,7 +8,10 @@
package arch package arch
import "cmd/internal/obj/ppc64" import (
"cmd/internal/obj"
"cmd/internal/obj/ppc64"
)
func jumpPPC64(word string) bool { func jumpPPC64(word string) bool {
switch word { switch word {
@ -21,7 +24,7 @@ func jumpPPC64(word string) bool {
// IsPPC64RLD reports whether the op (as defined by an ppc64.A* constant) is // IsPPC64RLD reports whether the op (as defined by an ppc64.A* constant) is
// one of the RLD-like instructions that require special handling. // one of the RLD-like instructions that require special handling.
// The FMADD-like instructions behave similarly. // The FMADD-like instructions behave similarly.
func IsPPC64RLD(op int) bool { func IsPPC64RLD(op obj.As) bool {
switch op { switch op {
case ppc64.ARLDC, ppc64.ARLDCCC, ppc64.ARLDCL, ppc64.ARLDCLCC, case ppc64.ARLDC, ppc64.ARLDCCC, ppc64.ARLDCL, ppc64.ARLDCLCC,
ppc64.ARLDCR, ppc64.ARLDCRCC, ppc64.ARLDMI, ppc64.ARLDMICC, ppc64.ARLDCR, ppc64.ARLDCRCC, ppc64.ARLDMI, ppc64.ARLDMICC,
@ -38,7 +41,7 @@ func IsPPC64RLD(op int) bool {
// IsPPC64CMP reports whether the op (as defined by an ppc64.A* constant) is // IsPPC64CMP reports whether the op (as defined by an ppc64.A* constant) is
// one of the CMP instructions that require special handling. // one of the CMP instructions that require special handling.
func IsPPC64CMP(op int) bool { func IsPPC64CMP(op obj.As) bool {
switch op { switch op {
case ppc64.ACMP, ppc64.ACMPU, ppc64.ACMPW, ppc64.ACMPWU: case ppc64.ACMP, ppc64.ACMPU, ppc64.ACMPW, ppc64.ACMPWU:
return true return true
@ -48,7 +51,7 @@ func IsPPC64CMP(op int) bool {
// IsPPC64NEG reports whether the op (as defined by an ppc64.A* constant) is // IsPPC64NEG reports whether the op (as defined by an ppc64.A* constant) is
// one of the NEG-like instructions that require special handling. // one of the NEG-like instructions that require special handling.
func IsPPC64NEG(op int) bool { func IsPPC64NEG(op obj.As) bool {
switch op { switch op {
case ppc64.AADDMECC, ppc64.AADDMEVCC, ppc64.AADDMEV, ppc64.AADDME, case ppc64.AADDMECC, ppc64.AADDMEVCC, ppc64.AADDMEV, ppc64.AADDME,
ppc64.AADDZECC, ppc64.AADDZEVCC, ppc64.AADDZEV, ppc64.AADDZE, ppc64.AADDZECC, ppc64.AADDZEVCC, ppc64.AADDZEV, ppc64.AADDZE,

14
src/cmd/asm/internal/asm/asm.go
View file

@ -341,12 +341,12 @@ func (p *Parser) asmFuncData(word string, operands [][]lex.Token) {
// JMP R1 // JMP R1
// JMP exit // JMP exit
// JMP 3(PC) // JMP 3(PC)
func (p *Parser) asmJump(op int, cond string, a []obj.Addr) { func (p *Parser) asmJump(op obj.As, cond string, a []obj.Addr) {
var target *obj.Addr var target *obj.Addr
prog := &obj.Prog{ prog := &obj.Prog{
Ctxt: p.ctxt, Ctxt: p.ctxt,
Lineno: p.histLineNum, Lineno: p.histLineNum,
As: int16(op), As: op,
} }
switch len(a) { switch len(a) {
case 1: case 1:
@ -455,12 +455,12 @@ func (p *Parser) branch(jmp, target *obj.Prog) {
// asmInstruction assembles an instruction. // asmInstruction assembles an instruction.
// MOVW R9, (R10) // MOVW R9, (R10)
func (p *Parser) asmInstruction(op int, cond string, a []obj.Addr) { func (p *Parser) asmInstruction(op obj.As, cond string, a []obj.Addr) {
// fmt.Printf("%s %+v\n", obj.Aconv(op), a) // fmt.Printf("%s %+v\n", obj.Aconv(op), a)
prog := &obj.Prog{ prog := &obj.Prog{
Ctxt: p.ctxt, Ctxt: p.ctxt,
Lineno: p.histLineNum, Lineno: p.histLineNum,
As: int16(op), As: op,
} }
switch len(a) { switch len(a) {
case 0: case 0:
@ -707,7 +707,7 @@ func (p *Parser) getConstantPseudo(pseudo string, addr *obj.Addr) int64 {
} }
// getConstant checks that addr represents a plain constant and returns its value. // getConstant checks that addr represents a plain constant and returns its value.
func (p *Parser) getConstant(prog *obj.Prog, op int, addr *obj.Addr) int64 { func (p *Parser) getConstant(prog *obj.Prog, op obj.As, addr *obj.Addr) int64 {
if addr.Type != obj.TYPE_MEM || addr.Name != 0 || addr.Reg != 0 || addr.Index != 0 { if addr.Type != obj.TYPE_MEM || addr.Name != 0 || addr.Reg != 0 || addr.Index != 0 {
p.errorf("%s: expected integer constant; found %s", obj.Aconv(op), obj.Dconv(prog, addr)) p.errorf("%s: expected integer constant; found %s", obj.Aconv(op), obj.Dconv(prog, addr))
} }
@ -715,7 +715,7 @@ func (p *Parser) getConstant(prog *obj.Prog, op int, addr *obj.Addr) int64 {
} }
// getImmediate checks that addr represents an immediate constant and returns its value. // getImmediate checks that addr represents an immediate constant and returns its value.
func (p *Parser) getImmediate(prog *obj.Prog, op int, addr *obj.Addr) int64 { func (p *Parser) getImmediate(prog *obj.Prog, op obj.As, addr *obj.Addr) int64 {
if addr.Type != obj.TYPE_CONST || addr.Name != 0 || addr.Reg != 0 || addr.Index != 0 { if addr.Type != obj.TYPE_CONST || addr.Name != 0 || addr.Reg != 0 || addr.Index != 0 {
p.errorf("%s: expected immediate constant; found %s", obj.Aconv(op), obj.Dconv(prog, addr)) p.errorf("%s: expected immediate constant; found %s", obj.Aconv(op), obj.Dconv(prog, addr))
} }
@ -723,7 +723,7 @@ func (p *Parser) getImmediate(prog *obj.Prog, op int, addr *obj.Addr) int64 {
} }
// getRegister checks that addr represents a register and returns its value. // getRegister checks that addr represents a register and returns its value.
func (p *Parser) getRegister(prog *obj.Prog, op int, addr *obj.Addr) int16 { func (p *Parser) getRegister(prog *obj.Prog, op obj.As, addr *obj.Addr) int16 {
if addr.Type != obj.TYPE_REG || addr.Offset != 0 || addr.Name != 0 || addr.Index != 0 { if addr.Type != obj.TYPE_REG || addr.Offset != 0 || addr.Name != 0 || addr.Index != 0 {
p.errorf("%s: expected register; found %s", obj.Aconv(op), obj.Dconv(prog, addr)) p.errorf("%s: expected register; found %s", obj.Aconv(op), obj.Dconv(prog, addr))
} }

4
src/cmd/asm/internal/asm/parse.go
View file

@ -197,7 +197,7 @@ func (p *Parser) line() bool {
return true return true
} }
func (p *Parser) instruction(op int, word, cond string, operands [][]lex.Token) { func (p *Parser) instruction(op obj.As, word, cond string, operands [][]lex.Token) {
p.addr = p.addr[0:0] p.addr = p.addr[0:0]
p.isJump = p.arch.IsJump(word) p.isJump = p.arch.IsJump(word)
for _, op := range operands { for _, op := range operands {
@ -214,7 +214,7 @@ func (p *Parser) instruction(op int, word, cond string, operands [][]lex.Token)
p.asmInstruction(op, cond, p.addr) p.asmInstruction(op, cond, p.addr)
} }
func (p *Parser) pseudo(op int, word string, operands [][]lex.Token) { func (p *Parser) pseudo(op obj.As, word string, operands [][]lex.Token) {
switch op { switch op {
case obj.ATEXT: case obj.ATEXT:
p.asmText(word, operands) p.asmText(word, operands)

8
src/cmd/compile/internal/amd64/galign.go
View file

@ -28,10 +28,10 @@ func linkarchinit() {
var MAXWIDTH int64 = 1 << 50 var MAXWIDTH int64 = 1 << 50
var ( var (
addptr int = x86.AADDQ addptr = x86.AADDQ
movptr int = x86.AMOVQ movptr = x86.AMOVQ
leaptr int = x86.ALEAQ leaptr = x86.ALEAQ
cmpptr int = x86.ACMPQ cmpptr = x86.ACMPQ
) )
func betypeinit() { func betypeinit() {

6
src/cmd/compile/internal/amd64/ggen.go
View file

@ -166,10 +166,10 @@ func zerorange(p *obj.Prog, frame int64, lo int64, hi int64, ax *uint32, x0 *uin
return p return p
} }
func appendpp(p *obj.Prog, as int, ftype obj.AddrType, freg int, foffset int64, ttype obj.AddrType, treg int, toffset int64) *obj.Prog { func appendpp(p *obj.Prog, as obj.As, ftype obj.AddrType, freg int, foffset int64, ttype obj.AddrType, treg int, toffset int64) *obj.Prog {
q := gc.Ctxt.NewProg() q := gc.Ctxt.NewProg()
gc.Clearp(q) gc.Clearp(q)
q.As = int16(as) q.As = as
q.Lineno = p.Lineno q.Lineno = p.Lineno
q.From.Type = ftype q.From.Type = ftype
q.From.Reg = int16(freg) q.From.Reg = int16(freg)
@ -747,7 +747,7 @@ func expandchecks(firstp *obj.Prog) {
p2.Lineno = p.Lineno p2.Lineno = p.Lineno
p1.Pc = 9999 p1.Pc = 9999
p2.Pc = 9999 p2.Pc = 9999
p.As = int16(cmpptr) p.As = cmpptr
p.To.Type = obj.TYPE_CONST p.To.Type = obj.TYPE_CONST
p.To.Offset = 0 p.To.Offset = 0
p1.As = x86.AJNE p1.As = x86.AJNE

16
src/cmd/compile/internal/amd64/gsubr.go
View file

@ -52,7 +52,7 @@ var resvd = []int{
* generate * generate
* as $c, reg * as $c, reg
*/ */
func gconreg(as int, c int64, reg int) { func gconreg(as obj.As, c int64, reg int) {
var nr gc.Node var nr gc.Node
switch as { switch as {
@ -72,7 +72,7 @@ func gconreg(as int, c int64, reg int) {
* generate * generate
* as $c, n * as $c, n
*/ */
func ginscon(as int, c int64, n2 *gc.Node) { func ginscon(as obj.As, c int64, n2 *gc.Node) {
var n1 gc.Node var n1 gc.Node
switch as { switch as {
@ -144,7 +144,7 @@ func ginscmp(op gc.Op, t *gc.Type, n1, n2 *gc.Node, likely int) *obj.Prog {
return gc.Gbranch(optoas(op, t), nil, likely) return gc.Gbranch(optoas(op, t), nil, likely)
} }
func ginsboolval(a int, n *gc.Node) { func ginsboolval(a obj.As, n *gc.Node) {
gins(jmptoset(a), nil, n) gins(jmptoset(a), nil, n)
} }
@ -191,7 +191,7 @@ func gmove(f *gc.Node, t *gc.Node) {
} }
// cannot have two memory operands // cannot have two memory operands
var a int var a obj.As
if gc.Ismem(f) && gc.Ismem(t) { if gc.Ismem(f) && gc.Ismem(t) {
goto hard goto hard
} }
@ -583,7 +583,7 @@ func samaddr(f *gc.Node, t *gc.Node) bool {
* generate one instruction: * generate one instruction:
* as f, t * as f, t
*/ */
func gins(as int, f *gc.Node, t *gc.Node) *obj.Prog { func gins(as obj.As, f *gc.Node, t *gc.Node) *obj.Prog {
// Node nod; // Node nod;
// if(f != N && f->op == OINDEX) { // if(f != N && f->op == OINDEX) {
@ -681,7 +681,7 @@ func ginsnop() {
/* /*
* return Axxx for Oxxx on type t. * return Axxx for Oxxx on type t.
*/ */
func optoas(op gc.Op, t *gc.Type) int { func optoas(op gc.Op, t *gc.Type) obj.As {
if t == nil { if t == nil {
gc.Fatalf("optoas: t is nil") gc.Fatalf("optoas: t is nil")
} }
@ -1229,7 +1229,7 @@ func optoas(op gc.Op, t *gc.Type) int {
} }
// jmptoset returns ASETxx for AJxx. // jmptoset returns ASETxx for AJxx.
func jmptoset(jmp int) int { func jmptoset(jmp obj.As) obj.As {
switch jmp { switch jmp {
case x86.AJEQ: case x86.AJEQ:
return x86.ASETEQ return x86.ASETEQ
@ -1298,7 +1298,7 @@ func sudoclean() {
* after successful sudoaddable, * after successful sudoaddable,
* to release the register used for a. * to release the register used for a.
*/ */
func sudoaddable(as int, n *gc.Node, a *obj.Addr) bool { func sudoaddable(as obj.As, n *gc.Node, a *obj.Addr) bool {
if n.Type == nil { if n.Type == nil {
return false return false
} }

2
src/cmd/compile/internal/arm/cgen.go
View file

@ -60,7 +60,7 @@ func blockcopy(n, res *gc.Node, osrc, odst, w int64) {
// for example moving [4]byte must use 4 MOVB not 1 MOVW. // for example moving [4]byte must use 4 MOVB not 1 MOVW.
align := int(n.Type.Align) align := int(n.Type.Align)
var op int var op obj.As
switch align { switch align {
default: default:
gc.Fatalf("sgen: invalid alignment %d for %v", align, n.Type) gc.Fatalf("sgen: invalid alignment %d for %v", align, n.Type)

6
src/cmd/compile/internal/arm/ggen.go
View file

@ -95,10 +95,10 @@ func zerorange(p *obj.Prog, frame int64, lo int64, hi int64, r0 *uint32) *obj.Pr
return p return p
} }
func appendpp(p *obj.Prog, as int, ftype obj.AddrType, freg int, foffset int32, ttype obj.AddrType, treg int, toffset int32) *obj.Prog { func appendpp(p *obj.Prog, as obj.As, ftype obj.AddrType, freg int, foffset int32, ttype obj.AddrType, treg int, toffset int32) *obj.Prog {
q := gc.Ctxt.NewProg() q := gc.Ctxt.NewProg()
gc.Clearp(q) gc.Clearp(q)
q.As = int16(as) q.As = as
q.Lineno = p.Lineno q.Lineno = p.Lineno
q.From.Type = ftype q.From.Type = ftype
q.From.Reg = int16(freg) q.From.Reg = int16(freg)
@ -464,7 +464,7 @@ func ginsnop() {
* generate * generate
* as $c, n * as $c, n
*/ */
func ginscon(as int, c int64, n *gc.Node) { func ginscon(as obj.As, c int64, n *gc.Node) {
var n1 gc.Node var n1 gc.Node
gc.Nodconst(&n1, gc.Types[gc.TINT32], c) gc.Nodconst(&n1, gc.Types[gc.TINT32], c)
var n2 gc.Node var n2 gc.Node

12
src/cmd/compile/internal/arm/gsubr.go
View file

@ -149,7 +149,7 @@ func gmove(f *gc.Node, t *gc.Node) {
// cannot have two memory operands; // cannot have two memory operands;
// except 64-bit, which always copies via registers anyway. // except 64-bit, which always copies via registers anyway.
var a int var a obj.As
var r1 gc.Node var r1 gc.Node
if !gc.Is64(f.Type) && !gc.Is64(t.Type) && gc.Ismem(f) && gc.Ismem(t) { if !gc.Is64(f.Type) && !gc.Is64(t.Type) && gc.Ismem(f) && gc.Ismem(t) {
goto hard goto hard
@ -636,7 +636,7 @@ func samaddr(f *gc.Node, t *gc.Node) bool {
* generate one instruction: * generate one instruction:
* as f, t * as f, t
*/ */
func gins(as int, f *gc.Node, t *gc.Node) *obj.Prog { func gins(as obj.As, f *gc.Node, t *gc.Node) *obj.Prog {
// Node nod; // Node nod;
// int32 v; // int32 v;
@ -732,7 +732,7 @@ func raddr(n *gc.Node, p *obj.Prog) {
/* generate a constant shift /* generate a constant shift
* arm encodes a shift by 32 as 0, thus asking for 0 shift is illegal. * arm encodes a shift by 32 as 0, thus asking for 0 shift is illegal.
*/ */
func gshift(as int, lhs *gc.Node, stype int32, sval int32, rhs *gc.Node) *obj.Prog { func gshift(as obj.As, lhs *gc.Node, stype int32, sval int32, rhs *gc.Node) *obj.Prog {
if sval <= 0 || sval > 32 { if sval <= 0 || sval > 32 {
gc.Fatalf("bad shift value: %d", sval) gc.Fatalf("bad shift value: %d", sval)
} }
@ -747,7 +747,7 @@ func gshift(as int, lhs *gc.Node, stype int32, sval int32, rhs *gc.Node) *obj.Pr
/* generate a register shift /* generate a register shift
*/ */
func gregshift(as int, lhs *gc.Node, stype int32, reg *gc.Node, rhs *gc.Node) *obj.Prog { func gregshift(as obj.As, lhs *gc.Node, stype int32, reg *gc.Node, rhs *gc.Node) *obj.Prog {
p := gins(as, nil, rhs) p := gins(as, nil, rhs)
p.From.Type = obj.TYPE_SHIFT p.From.Type = obj.TYPE_SHIFT
p.From.Offset = int64(stype) | (int64(reg.Reg)&15)<<8 | 1<<4 | int64(lhs.Reg)&15 p.From.Offset = int64(stype) | (int64(reg.Reg)&15)<<8 | 1<<4 | int64(lhs.Reg)&15
@ -757,7 +757,7 @@ func gregshift(as int, lhs *gc.Node, stype int32, reg *gc.Node, rhs *gc.Node) *o
/* /*
* return Axxx for Oxxx on type t. * return Axxx for Oxxx on type t.
*/ */
func optoas(op gc.Op, t *gc.Type) int { func optoas(op gc.Op, t *gc.Type) obj.As {
if t == nil { if t == nil {
gc.Fatalf("optoas: t is nil") gc.Fatalf("optoas: t is nil")
} }
@ -1131,7 +1131,7 @@ func dotaddable(n *gc.Node, n1 *gc.Node) bool {
* after successful sudoaddable, * after successful sudoaddable,
* to release the register used for a. * to release the register used for a.
*/ */
func sudoaddable(as int, n *gc.Node, a *obj.Addr) bool { func sudoaddable(as obj.As, n *gc.Node, a *obj.Addr) bool {
if n.Type == nil { if n.Type == nil {
return false return false
} }

12
src/cmd/compile/internal/arm/peep.go
View file

@ -543,7 +543,7 @@ gotit:
} }
if gc.Debug['P'] != 0 { if gc.Debug['P'] != 0 {
fmt.Printf(" => %v\n", obj.Aconv(int(p.As))) fmt.Printf(" => %v\n", obj.Aconv(p.As))
} }
return true return true
} }
@ -1041,7 +1041,7 @@ func xtramodes(g *gc.Graph, r *gc.Flow, a *obj.Addr) bool {
func copyu(p *obj.Prog, v *obj.Addr, s *obj.Addr) int { func copyu(p *obj.Prog, v *obj.Addr, s *obj.Addr) int {
switch p.As { switch p.As {
default: default:
fmt.Printf("copyu: can't find %v\n", obj.Aconv(int(p.As))) fmt.Printf("copyu: can't find %v\n", obj.Aconv(p.As))
return 2 return 2
case arm.AMOVM: case arm.AMOVM:
@ -1501,8 +1501,8 @@ func copysub1(p1 *obj.Prog, v *obj.Addr, s *obj.Addr, f int) int {
} }
var predinfo = []struct { var predinfo = []struct {
opcode int opcode obj.As
notopcode int notopcode obj.As
scond int scond int
notscond int notscond int
}{ }{
@ -1672,9 +1672,9 @@ func applypred(rstart *gc.Flow, j *Joininfo, cond int, branch int) {
excise(r) excise(r)
} else { } else {
if cond == Truecond { if cond == Truecond {
r.Prog.As = int16(predinfo[rstart.Prog.As-arm.ABEQ].opcode) r.Prog.As = predinfo[rstart.Prog.As-arm.ABEQ].opcode
} else { } else {
r.Prog.As = int16(predinfo[rstart.Prog.As-arm.ABEQ].notopcode) r.Prog.As = predinfo[rstart.Prog.As-arm.ABEQ].notopcode
} }
} }
} else if predicable(r.Prog) { } else if predicable(r.Prog) {

2
src/cmd/compile/internal/arm64/cgen.go
View file

@ -17,7 +17,7 @@ func blockcopy(n, res *gc.Node, osrc, odst, w int64) {
// for example moving [4]byte must use 4 MOVB not 1 MOVW. // for example moving [4]byte must use 4 MOVB not 1 MOVW.
align := int(n.Type.Align) align := int(n.Type.Align)
var op int var op obj.As
switch align { switch align {
default: default:
gc.Fatalf("sgen: invalid alignment %d for %v", align, n.Type) gc.Fatalf("sgen: invalid alignment %d for %v", align, n.Type)

4
src/cmd/compile/internal/arm64/ggen.go
View file

@ -106,10 +106,10 @@ func zerorange(p *obj.Prog, frame int64, lo int64, hi int64) *obj.Prog {
return p return p
} }
func appendpp(p *obj.Prog, as int, ftype obj.AddrType, freg int, foffset int64, ttype obj.AddrType, treg int, toffset int64) *obj.Prog { func appendpp(p *obj.Prog, as obj.As, ftype obj.AddrType, freg int, foffset int64, ttype obj.AddrType, treg int, toffset int64) *obj.Prog {
q := gc.Ctxt.NewProg() q := gc.Ctxt.NewProg()
gc.Clearp(q) gc.Clearp(q)
q.As = int16(as) q.As = as
q.Lineno = p.Lineno q.Lineno = p.Lineno
q.From.Type = ftype q.From.Type = ftype
q.From.Reg = int16(freg) q.From.Reg = int16(freg)

18
src/cmd/compile/internal/arm64/gsubr.go
View file

@ -53,7 +53,7 @@ var resvd = []int{
* generate * generate
* as $c, n * as $c, n
*/ */
func ginscon(as int, c int64, n2 *gc.Node) { func ginscon(as obj.As, c int64, n2 *gc.Node) {
var n1 gc.Node var n1 gc.Node
gc.Nodconst(&n1, gc.Types[gc.TINT64], c) gc.Nodconst(&n1, gc.Types[gc.TINT64], c)
@ -77,7 +77,7 @@ func ginscon(as int, c int64, n2 *gc.Node) {
* generate * generate
* as n, $c (CMP) * as n, $c (CMP)
*/ */
func ginscon2(as int, n2 *gc.Node, c int64) { func ginscon2(as obj.As, n2 *gc.Node, c int64) {
var n1 gc.Node var n1 gc.Node
gc.Nodconst(&n1, gc.Types[gc.TINT64], c) gc.Nodconst(&n1, gc.Types[gc.TINT64], c)
@ -151,7 +151,7 @@ func gmove(f *gc.Node, t *gc.Node) {
// cannot have two memory operands // cannot have two memory operands
var r1 gc.Node var r1 gc.Node
var a int var a obj.As
if gc.Ismem(f) && gc.Ismem(t) { if gc.Ismem(f) && gc.Ismem(t) {
goto hard goto hard
} }
@ -470,7 +470,7 @@ hard:
// gins is called by the front end. // gins is called by the front end.
// It synthesizes some multiple-instruction sequences // It synthesizes some multiple-instruction sequences
// so the front end can stay simpler. // so the front end can stay simpler.
func gins(as int, f, t *gc.Node) *obj.Prog { func gins(as obj.As, f, t *gc.Node) *obj.Prog {
if as >= obj.A_ARCHSPECIFIC { if as >= obj.A_ARCHSPECIFIC {
if x, ok := f.IntLiteral(); ok { if x, ok := f.IntLiteral(); ok {
ginscon(as, x, t) ginscon(as, x, t)
@ -490,7 +490,7 @@ func gins(as int, f, t *gc.Node) *obj.Prog {
* generate one instruction: * generate one instruction:
* as f, t * as f, t
*/ */
func rawgins(as int, f *gc.Node, t *gc.Node) *obj.Prog { func rawgins(as obj.As, f *gc.Node, t *gc.Node) *obj.Prog {
// TODO(austin): Add self-move test like in 6g (but be careful // TODO(austin): Add self-move test like in 6g (but be careful
// of truncation moves) // of truncation moves)
@ -577,7 +577,7 @@ func raddr(n *gc.Node, p *obj.Prog) {
} }
} }
func gcmp(as int, lhs *gc.Node, rhs *gc.Node) *obj.Prog { func gcmp(as obj.As, lhs *gc.Node, rhs *gc.Node) *obj.Prog {
if lhs.Op != gc.OREGISTER { if lhs.Op != gc.OREGISTER {
gc.Fatalf("bad operands to gcmp: %v %v", gc.Oconv(lhs.Op, 0), gc.Oconv(rhs.Op, 0)) gc.Fatalf("bad operands to gcmp: %v %v", gc.Oconv(lhs.Op, 0), gc.Oconv(rhs.Op, 0))
} }
@ -590,7 +590,7 @@ func gcmp(as int, lhs *gc.Node, rhs *gc.Node) *obj.Prog {
/* /*
* return Axxx for Oxxx on type t. * return Axxx for Oxxx on type t.
*/ */
func optoas(op gc.Op, t *gc.Type) int { func optoas(op gc.Op, t *gc.Type) obj.As {
if t == nil { if t == nil {
gc.Fatalf("optoas: t is nil") gc.Fatalf("optoas: t is nil")
} }
@ -619,7 +619,7 @@ func optoas(op gc.Op, t *gc.Type) int {
OSQRT_ = uint32(gc.OSQRT) << 16 OSQRT_ = uint32(gc.OSQRT) << 16
) )
a := int(obj.AXXX) a := obj.AXXX
switch uint32(op)<<16 | uint32(gc.Simtype[t.Etype]) { switch uint32(op)<<16 | uint32(gc.Simtype[t.Etype]) {
default: default:
gc.Fatalf("optoas: no entry for op=%v type=%v", gc.Oconv(op, 0), t) gc.Fatalf("optoas: no entry for op=%v type=%v", gc.Oconv(op, 0), t)
@ -987,7 +987,7 @@ func sudoclean() {
* after successful sudoaddable, * after successful sudoaddable,
* to release the register used for a. * to release the register used for a.
*/ */
func sudoaddable(as int, n *gc.Node, a *obj.Addr) bool { func sudoaddable(as obj.As, n *gc.Node, a *obj.Addr) bool {
// TODO(minux) // TODO(minux)
*a = obj.Addr{} *a = obj.Addr{}

4
src/cmd/compile/internal/arm64/peep.go
View file

@ -162,7 +162,7 @@ loop1:
continue continue
} }
if gc.Debug['P'] != 0 { if gc.Debug['P'] != 0 {
fmt.Printf("encoding $%d directly into %v in:\n%v\n%v\n", p.From.Offset, obj.Aconv(int(p1.As)), p, p1) fmt.Printf("encoding $%d directly into %v in:\n%v\n%v\n", p.From.Offset, obj.Aconv(p1.As), p, p1)
} }
p1.From.Type = obj.TYPE_CONST p1.From.Type = obj.TYPE_CONST
p1.From = p.From p1.From = p.From
@ -427,7 +427,7 @@ func copyu(p *obj.Prog, v *obj.Addr, s *obj.Addr) int {
switch p.As { switch p.As {
default: default:
fmt.Printf("copyu: can't find %v\n", obj.Aconv(int(p.As))) fmt.Printf("copyu: can't find %v\n", obj.Aconv(p.As))
return 2 return 2
case obj.ANOP, /* read p->from, write p->to */ case obj.ANOP, /* read p->from, write p->to */

6
src/cmd/compile/internal/gc/cgen.go
View file

@ -356,7 +356,7 @@ func cgen_wb(n, res *Node, wb bool) {
} }
} }
var a int var a obj.As
switch n.Op { switch n.Op {
default: default:
Dump("cgen", n) Dump("cgen", n)
@ -3011,7 +3011,7 @@ func cgen_slice(n, res *Node, wb bool) {
regalloc = func(n *Node, t *Type, reuse *Node) { regalloc = func(n *Node, t *Type, reuse *Node) {
Tempname(n, t) Tempname(n, t)
} }
ginscon = func(as int, c int64, n *Node) { ginscon = func(as obj.As, c int64, n *Node) {
var n1 Node var n1 Node
Regalloc(&n1, n.Type, n) Regalloc(&n1, n.Type, n)
Thearch.Gmove(n, &n1) Thearch.Gmove(n, &n1)
@ -3019,7 +3019,7 @@ func cgen_slice(n, res *Node, wb bool) {
Thearch.Gmove(&n1, n) Thearch.Gmove(&n1, n)
Regfree(&n1) Regfree(&n1)
} }
gins = func(as int, f, t *Node) *obj.Prog { gins = func(as obj.As, f, t *Node) *obj.Prog {
var n1 Node var n1 Node
Regalloc(&n1, t.Type, t) Regalloc(&n1, t.Type, t)
Thearch.Gmove(t, &n1) Thearch.Gmove(t, &n1)

10
src/cmd/compile/internal/gc/go.go
View file

@ -691,7 +691,7 @@ type Arch struct {
Excise func(*Flow) Excise func(*Flow)
Expandchecks func(*obj.Prog) Expandchecks func(*obj.Prog)
Getg func(*Node) Getg func(*Node)
Gins func(int, *Node, *Node) *obj.Prog Gins func(obj.As, *Node, *Node) *obj.Prog
// Ginscmp generates code comparing n1 to n2 and jumping away if op is satisfied. // Ginscmp generates code comparing n1 to n2 and jumping away if op is satisfied.
// The returned prog should be Patch'ed with the jump target. // The returned prog should be Patch'ed with the jump target.
@ -711,9 +711,9 @@ type Arch struct {
// corresponding to the desired value. // corresponding to the desired value.
// The second argument is the destination. // The second argument is the destination.
// If not present, Ginsboolval will be emulated with jumps. // If not present, Ginsboolval will be emulated with jumps.
Ginsboolval func(int, *Node) Ginsboolval func(obj.As, *Node)
Ginscon func(int, int64, *Node) Ginscon func(obj.As, int64, *Node)
Ginsnop func() Ginsnop func()
Gmove func(*Node, *Node) Gmove func(*Node, *Node)
Igenindex func(*Node, *Node, bool) *obj.Prog Igenindex func(*Node, *Node, bool) *obj.Prog
@ -725,14 +725,14 @@ type Arch struct {
Smallindir func(*obj.Addr, *obj.Addr) bool Smallindir func(*obj.Addr, *obj.Addr) bool
Stackaddr func(*obj.Addr) bool Stackaddr func(*obj.Addr) bool
Blockcopy func(*Node, *Node, int64, int64, int64) Blockcopy func(*Node, *Node, int64, int64, int64)
Sudoaddable func(int, *Node, *obj.Addr) bool Sudoaddable func(obj.As, *Node, *obj.Addr) bool
Sudoclean func() Sudoclean func()
Excludedregs func() uint64 Excludedregs func() uint64
RtoB func(int) uint64 RtoB func(int) uint64
FtoB func(int) uint64 FtoB func(int) uint64
BtoR func(uint64) int BtoR func(uint64) int
BtoF func(uint64) int BtoF func(uint64) int
Optoas func(Op, *Type) int Optoas func(Op, *Type) obj.As
Doregbits func(int) uint64 Doregbits func(int) uint64
Regnames func(*int) []string Regnames func(*int) []string
Use387 bool // should 8g use 387 FP instructions instead of sse2. Use387 bool // should 8g use 387 FP instructions instead of sse2.

6
src/cmd/compile/internal/gc/gsubr.go
View file

@ -79,7 +79,7 @@ func Samereg(a *Node, b *Node) bool {
return true return true
} }
func Gbranch(as int, t *Type, likely int) *obj.Prog { func Gbranch(as obj.As, t *Type, likely int) *obj.Prog {
p := Prog(as) p := Prog(as)
p.To.Type = obj.TYPE_BRANCH p.To.Type = obj.TYPE_BRANCH
p.To.Val = nil p.To.Val = nil
@ -97,7 +97,7 @@ func Gbranch(as int, t *Type, likely int) *obj.Prog {
return p return p
} }
func Prog(as int) *obj.Prog { func Prog(as obj.As) *obj.Prog {
var p *obj.Prog var p *obj.Prog
if as == obj.ADATA || as == obj.AGLOBL { if as == obj.ADATA || as == obj.AGLOBL {
@ -125,7 +125,7 @@ func Prog(as int) *obj.Prog {
} }
} }
p.As = int16(as) p.As = as
p.Lineno = lineno p.Lineno = lineno
return p return p
} }

2
src/cmd/compile/internal/gc/pgen.go
View file

@ -85,7 +85,7 @@ func makefuncdatasym(namefmt string, funcdatakind int64) *Sym {
// that its argument is certainly dead, for use when the liveness analysis // that its argument is certainly dead, for use when the liveness analysis
// would not otherwise be able to deduce that fact. // would not otherwise be able to deduce that fact.
func gvardefx(n *Node, as int) { func gvardefx(n *Node, as obj.As) {
if n == nil { if n == nil {
Fatalf("gvardef nil") Fatalf("gvardef nil")
} }

4
src/cmd/compile/internal/gc/plive.go
View file

@ -1018,10 +1018,10 @@ func onebitlivepointermap(lv *Liveness, liveout Bvec, vars []*Node, args Bvec, l
} }
// Construct a disembodied instruction. // Construct a disembodied instruction.
func unlinkedprog(as int) *obj.Prog { func unlinkedprog(as obj.As) *obj.Prog {
p := Ctxt.NewProg() p := Ctxt.NewProg()
Clearp(p) Clearp(p)
p.As = int16(as) p.As = as
return p return p
} }

4
src/cmd/compile/internal/gc/reg.go
View file

@ -246,11 +246,11 @@ func addmove(r *Flow, bn int, rn int, f int) {
else if(a->sym == nil) else if(a->sym == nil)
a->type = TYPE_CONST; a->type = TYPE_CONST;
*/ */
p1.As = int16(Thearch.Optoas(OAS, Types[uint8(v.etype)])) p1.As = Thearch.Optoas(OAS, Types[uint8(v.etype)])
// TODO(rsc): Remove special case here. // TODO(rsc): Remove special case here.
if (Thearch.Thechar == '0' || Thearch.Thechar == '5' || Thearch.Thechar == '7' || Thearch.Thechar == '9') && v.etype == TBOOL { if (Thearch.Thechar == '0' || Thearch.Thechar == '5' || Thearch.Thechar == '7' || Thearch.Thechar == '9') && v.etype == TBOOL {
p1.As = int16(Thearch.Optoas(OAS, Types[TUINT8])) p1.As = Thearch.Optoas(OAS, Types[TUINT8])
} }
p1.From.Type = obj.TYPE_REG p1.From.Type = obj.TYPE_REG
p1.From.Reg = int16(rn) p1.From.Reg = int16(rn)

29
src/cmd/compile/internal/gc/ssa.go
View file

@ -3766,7 +3766,7 @@ func genssa(f *ssa.Func, ptxt *obj.Prog, gcargs, gclocals *Sym) {
// dest := dest(To) op src(From) // dest := dest(To) op src(From)
// and also returns the created obj.Prog so it // and also returns the created obj.Prog so it
// may be further adjusted (offset, scale, etc). // may be further adjusted (offset, scale, etc).
func opregreg(op int, dest, src int16) *obj.Prog { func opregreg(op obj.As, dest, src int16) *obj.Prog {
p := Prog(op) p := Prog(op)
p.From.Type = obj.TYPE_REG p.From.Type = obj.TYPE_REG
p.To.Type = obj.TYPE_REG p.To.Type = obj.TYPE_REG
@ -3796,7 +3796,7 @@ func (s *genState) genValue(v *ssa.Value) {
p.To.Type = obj.TYPE_REG p.To.Type = obj.TYPE_REG
p.To.Reg = r p.To.Reg = r
default: default:
var asm int var asm obj.As
switch v.Op { switch v.Op {
case ssa.OpAMD64ADDQ: case ssa.OpAMD64ADDQ:
asm = x86.ALEAQ asm = x86.ALEAQ
@ -4039,7 +4039,7 @@ func (s *genState) genValue(v *ssa.Value) {
a := regnum(v.Args[0]) a := regnum(v.Args[0])
if r == a { if r == a {
if v.AuxInt2Int64() == 1 { if v.AuxInt2Int64() == 1 {
var asm int var asm obj.As
switch v.Op { switch v.Op {
// Software optimization manual recommends add $1,reg. // Software optimization manual recommends add $1,reg.
// But inc/dec is 1 byte smaller. ICC always uses inc // But inc/dec is 1 byte smaller. ICC always uses inc
@ -4058,7 +4058,7 @@ func (s *genState) genValue(v *ssa.Value) {
p.To.Reg = r p.To.Reg = r
return return
} else if v.AuxInt2Int64() == -1 { } else if v.AuxInt2Int64() == -1 {
var asm int var asm obj.As
switch v.Op { switch v.Op {
case ssa.OpAMD64ADDQconst: case ssa.OpAMD64ADDQconst:
asm = x86.ADECQ asm = x86.ADECQ
@ -4080,7 +4080,7 @@ func (s *genState) genValue(v *ssa.Value) {
return return
} }
} }
var asm int var asm obj.As
switch v.Op { switch v.Op {
case ssa.OpAMD64ADDQconst: case ssa.OpAMD64ADDQconst:
asm = x86.ALEAQ asm = x86.ALEAQ
@ -4138,7 +4138,7 @@ func (s *genState) genValue(v *ssa.Value) {
p.To.Type = obj.TYPE_REG p.To.Type = obj.TYPE_REG
p.To.Reg = r p.To.Reg = r
} else if x == r && v.AuxInt2Int64() == -1 { } else if x == r && v.AuxInt2Int64() == -1 {
var asm int var asm obj.As
// x = x - (-1) is the same as x++ // x = x - (-1) is the same as x++
// See OpAMD64ADDQconst comments about inc vs add $1,reg // See OpAMD64ADDQconst comments about inc vs add $1,reg
switch v.Op { switch v.Op {
@ -4153,7 +4153,7 @@ func (s *genState) genValue(v *ssa.Value) {
p.To.Type = obj.TYPE_REG p.To.Type = obj.TYPE_REG
p.To.Reg = r p.To.Reg = r
} else if x == r && v.AuxInt2Int64() == 1 { } else if x == r && v.AuxInt2Int64() == 1 {
var asm int var asm obj.As
switch v.Op { switch v.Op {
case ssa.OpAMD64SUBQconst: case ssa.OpAMD64SUBQconst:
asm = x86.ADECQ asm = x86.ADECQ
@ -4166,7 +4166,7 @@ func (s *genState) genValue(v *ssa.Value) {
p.To.Type = obj.TYPE_REG p.To.Type = obj.TYPE_REG
p.To.Reg = r p.To.Reg = r
} else { } else {
var asm int var asm obj.As
switch v.Op { switch v.Op {
case ssa.OpAMD64SUBQconst: case ssa.OpAMD64SUBQconst:
asm = x86.ALEAQ asm = x86.ALEAQ
@ -4735,7 +4735,7 @@ func (s *genState) markMoves(b *ssa.Block) {
} }
// movZero generates a register indirect move with a 0 immediate and keeps track of bytes left and next offset // movZero generates a register indirect move with a 0 immediate and keeps track of bytes left and next offset
func movZero(as int, width int64, nbytes int64, offset int64, regnum int16) (nleft int64, noff int64) { func movZero(as obj.As, width int64, nbytes int64, offset int64, regnum int16) (nleft int64, noff int64) {
p := Prog(as) p := Prog(as)
// TODO: use zero register on archs that support it. // TODO: use zero register on archs that support it.
p.From.Type = obj.TYPE_CONST p.From.Type = obj.TYPE_CONST
@ -4749,7 +4749,7 @@ func movZero(as int, width int64, nbytes int64, offset int64, regnum int16) (nle
} }
var blockJump = [...]struct { var blockJump = [...]struct {
asm, invasm int asm, invasm obj.As
}{ }{
ssa.BlockAMD64EQ: {x86.AJEQ, x86.AJNE}, ssa.BlockAMD64EQ: {x86.AJEQ, x86.AJNE},
ssa.BlockAMD64NE: {x86.AJNE, x86.AJEQ}, ssa.BlockAMD64NE: {x86.AJNE, x86.AJEQ},
@ -4766,7 +4766,8 @@ var blockJump = [...]struct {
} }
type floatingEQNEJump struct { type floatingEQNEJump struct {
jump, index int jump obj.As
index int
} }
var eqfJumps = [2][2]floatingEQNEJump{ var eqfJumps = [2][2]floatingEQNEJump{
@ -5034,7 +5035,7 @@ var ssaRegToReg = [...]int16{
} }
// loadByType returns the load instruction of the given type. // loadByType returns the load instruction of the given type.
func loadByType(t ssa.Type) int { func loadByType(t ssa.Type) obj.As {
// Avoid partial register write // Avoid partial register write
if !t.IsFloat() && t.Size() <= 2 { if !t.IsFloat() && t.Size() <= 2 {
if t.Size() == 1 { if t.Size() == 1 {
@ -5048,7 +5049,7 @@ func loadByType(t ssa.Type) int {
} }
// storeByType returns the store instruction of the given type. // storeByType returns the store instruction of the given type.
func storeByType(t ssa.Type) int { func storeByType(t ssa.Type) obj.As {
width := t.Size() width := t.Size()
if t.IsFloat() { if t.IsFloat() {
switch width { switch width {
@ -5073,7 +5074,7 @@ func storeByType(t ssa.Type) int {
} }
// moveByType returns the reg->reg move instruction of the given type. // moveByType returns the reg->reg move instruction of the given type.
func moveByType(t ssa.Type) int { func moveByType(t ssa.Type) obj.As {
if t.IsFloat() { if t.IsFloat() {
// Moving the whole sse2 register is faster // Moving the whole sse2 register is faster
// than moving just the correct low portion of it. // than moving just the correct low portion of it.

2
src/cmd/compile/internal/mips64/cgen.go
View file

@ -17,7 +17,7 @@ func blockcopy(n, res *gc.Node, osrc, odst, w int64) {
// for example moving [4]byte must use 4 MOVB not 1 MOVW. // for example moving [4]byte must use 4 MOVB not 1 MOVW.
align := int(n.Type.Align) align := int(n.Type.Align)
var op int var op obj.As
switch align { switch align {
default: default:
gc.Fatalf("sgen: invalid alignment %d for %v", align, n.Type) gc.Fatalf("sgen: invalid alignment %d for %v", align, n.Type)

4
src/cmd/compile/internal/mips64/ggen.go
View file

@ -101,10 +101,10 @@ func zerorange(p *obj.Prog, frame int64, lo int64, hi int64) *obj.Prog {
return p return p
} }
func appendpp(p *obj.Prog, as int, ftype obj.AddrType, freg int, foffset int64, ttype obj.AddrType, treg int, toffset int64) *obj.Prog { func appendpp(p *obj.Prog, as obj.As, ftype obj.AddrType, freg int, foffset int64, ttype obj.AddrType, treg int, toffset int64) *obj.Prog {
q := gc.Ctxt.NewProg() q := gc.Ctxt.NewProg()
gc.Clearp(q) gc.Clearp(q)
q.As = int16(as) q.As = as
q.Lineno = p.Lineno q.Lineno = p.Lineno
q.From.Type = ftype q.From.Type = ftype
q.From.Reg = int16(freg) q.From.Reg = int16(freg)

18
src/cmd/compile/internal/mips64/gsubr.go
View file

@ -56,7 +56,7 @@ var resvd = []int{
* generate * generate
* as $c, n * as $c, n
*/ */
func ginscon(as int, c int64, n2 *gc.Node) { func ginscon(as obj.As, c int64, n2 *gc.Node) {
var n1 gc.Node var n1 gc.Node
gc.Nodconst(&n1, gc.Types[gc.TINT64], c) gc.Nodconst(&n1, gc.Types[gc.TINT64], c)
@ -78,7 +78,7 @@ func ginscon(as int, c int64, n2 *gc.Node) {
// generate branch // generate branch
// n1, n2 are registers // n1, n2 are registers
func ginsbranch(as int, t *gc.Type, n1, n2 *gc.Node, likely int) *obj.Prog { func ginsbranch(as obj.As, t *gc.Type, n1, n2 *gc.Node, likely int) *obj.Prog {
p := gc.Gbranch(as, t, likely) p := gc.Gbranch(as, t, likely)
gc.Naddr(&p.From, n1) gc.Naddr(&p.From, n1)
if n2 != nil { if n2 != nil {
@ -233,7 +233,7 @@ func gmove(f *gc.Node, t *gc.Node) {
// cannot have two memory operands // cannot have two memory operands
var r2 gc.Node var r2 gc.Node
var r1 gc.Node var r1 gc.Node
var a int var a obj.As
if gc.Ismem(f) && gc.Ismem(t) { if gc.Ismem(f) && gc.Ismem(t) {
goto hard goto hard
} }
@ -562,7 +562,7 @@ hard:
// gins is called by the front end. // gins is called by the front end.
// It synthesizes some multiple-instruction sequences // It synthesizes some multiple-instruction sequences
// so the front end can stay simpler. // so the front end can stay simpler.
func gins(as int, f, t *gc.Node) *obj.Prog { func gins(as obj.As, f, t *gc.Node) *obj.Prog {
if as >= obj.A_ARCHSPECIFIC { if as >= obj.A_ARCHSPECIFIC {
if x, ok := f.IntLiteral(); ok { if x, ok := f.IntLiteral(); ok {
ginscon(as, x, t) ginscon(as, x, t)
@ -577,7 +577,7 @@ func gins(as int, f, t *gc.Node) *obj.Prog {
* as f, r, t * as f, r, t
* r must be register, if not nil * r must be register, if not nil
*/ */
func gins3(as int, f, r, t *gc.Node) *obj.Prog { func gins3(as obj.As, f, r, t *gc.Node) *obj.Prog {
p := rawgins(as, f, t) p := rawgins(as, f, t)
if r != nil { if r != nil {
p.Reg = r.Reg p.Reg = r.Reg
@ -589,7 +589,7 @@ func gins3(as int, f, r, t *gc.Node) *obj.Prog {
* generate one instruction: * generate one instruction:
* as f, t * as f, t
*/ */
func rawgins(as int, f *gc.Node, t *gc.Node) *obj.Prog { func rawgins(as obj.As, f *gc.Node, t *gc.Node) *obj.Prog {
// TODO(austin): Add self-move test like in 6g (but be careful // TODO(austin): Add self-move test like in 6g (but be careful
// of truncation moves) // of truncation moves)
@ -684,7 +684,7 @@ func rawgins(as int, f *gc.Node, t *gc.Node) *obj.Prog {
/* /*
* return Axxx for Oxxx on type t. * return Axxx for Oxxx on type t.
*/ */
func optoas(op gc.Op, t *gc.Type) int { func optoas(op gc.Op, t *gc.Type) obj.As {
if t == nil { if t == nil {
gc.Fatalf("optoas: t is nil") gc.Fatalf("optoas: t is nil")
} }
@ -712,7 +712,7 @@ func optoas(op gc.Op, t *gc.Type) int {
OHMUL_ = uint32(gc.OHMUL) << 16 OHMUL_ = uint32(gc.OHMUL) << 16
) )
a := int(obj.AXXX) a := obj.AXXX
switch uint32(op)<<16 | uint32(gc.Simtype[t.Etype]) { switch uint32(op)<<16 | uint32(gc.Simtype[t.Etype]) {
default: default:
gc.Fatalf("optoas: no entry for op=%v type=%v", gc.Oconv(op, 0), t) gc.Fatalf("optoas: no entry for op=%v type=%v", gc.Oconv(op, 0), t)
@ -1055,7 +1055,7 @@ func sudoclean() {
* after successful sudoaddable, * after successful sudoaddable,
* to release the register used for a. * to release the register used for a.
*/ */
func sudoaddable(as int, n *gc.Node, a *obj.Addr) bool { func sudoaddable(as obj.As, n *gc.Node, a *obj.Addr) bool {
// TODO(minux) // TODO(minux)
*a = obj.Addr{} *a = obj.Addr{}

2
src/cmd/compile/internal/mips64/peep.go
View file

@ -412,7 +412,7 @@ func copyu(p *obj.Prog, v *obj.Addr, s *obj.Addr) int {
switch p.As { switch p.As {
default: default:
fmt.Printf("copyu: can't find %v\n", obj.Aconv(int(p.As))) fmt.Printf("copyu: can't find %v\n", obj.Aconv(p.As))
return 2 return 2
case obj.ANOP, /* read p->from, write p->to */ case obj.ANOP, /* read p->from, write p->to */

2
src/cmd/compile/internal/ppc64/cgen.go
View file

@ -17,7 +17,7 @@ func blockcopy(n, res *gc.Node, osrc, odst, w int64) {
// for example moving [4]byte must use 4 MOVB not 1 MOVW. // for example moving [4]byte must use 4 MOVB not 1 MOVW.
align := int(n.Type.Align) align := int(n.Type.Align)
var op int var op obj.As
switch align { switch align {
default: default:
gc.Fatalf("sgen: invalid alignment %d for %v", align, n.Type) gc.Fatalf("sgen: invalid alignment %d for %v", align, n.Type)

4
src/cmd/compile/internal/ppc64/ggen.go
View file

@ -93,10 +93,10 @@ func zerorange(p *obj.Prog, frame int64, lo int64, hi int64) *obj.Prog {
return p return p
} }
func appendpp(p *obj.Prog, as int, ftype obj.AddrType, freg int, foffset int64, ttype obj.AddrType, treg int, toffset int64) *obj.Prog { func appendpp(p *obj.Prog, as obj.As, ftype obj.AddrType, freg int, foffset int64, ttype obj.AddrType, treg int, toffset int64) *obj.Prog {
q := gc.Ctxt.NewProg() q := gc.Ctxt.NewProg()
gc.Clearp(q) gc.Clearp(q)
q.As = int16(as) q.As = as
q.Lineno = p.Lineno q.Lineno = p.Lineno
q.From.Type = ftype q.From.Type = ftype
q.From.Reg = int16(freg) q.From.Reg = int16(freg)

16
src/cmd/compile/internal/ppc64/gsubr.go
View file

@ -62,7 +62,7 @@ var resvd = []int{
* generate * generate
* as $c, n * as $c, n
*/ */
func ginscon(as int, c int64, n2 *gc.Node) { func ginscon(as obj.As, c int64, n2 *gc.Node) {
var n1 gc.Node var n1 gc.Node
gc.Nodconst(&n1, gc.Types[gc.TINT64], c) gc.Nodconst(&n1, gc.Types[gc.TINT64], c)
@ -86,7 +86,7 @@ func ginscon(as int, c int64, n2 *gc.Node) {
* generate * generate
* as n, $c (CMP/CMPU) * as n, $c (CMP/CMPU)
*/ */
func ginscon2(as int, n2 *gc.Node, c int64) { func ginscon2(as obj.As, n2 *gc.Node, c int64) {
var n1 gc.Node var n1 gc.Node
gc.Nodconst(&n1, gc.Types[gc.TINT64], c) gc.Nodconst(&n1, gc.Types[gc.TINT64], c)
@ -190,7 +190,7 @@ func gmove(f *gc.Node, t *gc.Node) {
// cannot have two memory operands // cannot have two memory operands
var r2 gc.Node var r2 gc.Node
var r1 gc.Node var r1 gc.Node
var a int var a obj.As
if gc.Ismem(f) && gc.Ismem(t) { if gc.Ismem(f) && gc.Ismem(t) {
goto hard goto hard
} }
@ -548,7 +548,7 @@ hard:
// gins is called by the front end. // gins is called by the front end.
// It synthesizes some multiple-instruction sequences // It synthesizes some multiple-instruction sequences
// so the front end can stay simpler. // so the front end can stay simpler.
func gins(as int, f, t *gc.Node) *obj.Prog { func gins(as obj.As, f, t *gc.Node) *obj.Prog {
if as >= obj.A_ARCHSPECIFIC { if as >= obj.A_ARCHSPECIFIC {
if x, ok := f.IntLiteral(); ok { if x, ok := f.IntLiteral(); ok {
ginscon(as, x, t) ginscon(as, x, t)
@ -568,7 +568,7 @@ func gins(as int, f, t *gc.Node) *obj.Prog {
* generate one instruction: * generate one instruction:
* as f, t * as f, t
*/ */
func rawgins(as int, f *gc.Node, t *gc.Node) *obj.Prog { func rawgins(as obj.As, f *gc.Node, t *gc.Node) *obj.Prog {
// TODO(austin): Add self-move test like in 6g (but be careful // TODO(austin): Add self-move test like in 6g (but be careful
// of truncation moves) // of truncation moves)
@ -680,7 +680,7 @@ func rawgins(as int, f *gc.Node, t *gc.Node) *obj.Prog {
/* /*
* return Axxx for Oxxx on type t. * return Axxx for Oxxx on type t.
*/ */
func optoas(op gc.Op, t *gc.Type) int { func optoas(op gc.Op, t *gc.Type) obj.As {
if t == nil { if t == nil {
gc.Fatalf("optoas: t is nil") gc.Fatalf("optoas: t is nil")
} }
@ -708,7 +708,7 @@ func optoas(op gc.Op, t *gc.Type) int {
OHMUL_ = uint32(gc.OHMUL) << 16 OHMUL_ = uint32(gc.OHMUL) << 16
) )
a := int(obj.AXXX) a := obj.AXXX
switch uint32(op)<<16 | uint32(gc.Simtype[t.Etype]) { switch uint32(op)<<16 | uint32(gc.Simtype[t.Etype]) {
default: default:
gc.Fatalf("optoas: no entry for op=%v type=%v", gc.Oconv(op, 0), t) gc.Fatalf("optoas: no entry for op=%v type=%v", gc.Oconv(op, 0), t)
@ -1059,7 +1059,7 @@ func sudoclean() {
* after successful sudoaddable, * after successful sudoaddable,
* to release the register used for a. * to release the register used for a.
*/ */
func sudoaddable(as int, n *gc.Node, a *obj.Addr) bool { func sudoaddable(as obj.As, n *gc.Node, a *obj.Addr) bool {
// TODO(minux) // TODO(minux)
*a = obj.Addr{} *a = obj.Addr{}

8
src/cmd/compile/internal/ppc64/peep.go
View file

@ -48,7 +48,7 @@ func peep(firstp *obj.Prog) {
var p *obj.Prog var p *obj.Prog
var r *gc.Flow var r *gc.Flow
var t int var t obj.As
loop1: loop1:
if gc.Debug['P'] != 0 && gc.Debug['v'] != 0 { if gc.Debug['P'] != 0 && gc.Debug['v'] != 0 {
gc.Dumpit("loop1", g.Start, 0) gc.Dumpit("loop1", g.Start, 0)
@ -328,13 +328,13 @@ loop1:
ppc64.ASUBZE, ppc64.ASUBZE,
ppc64.ASUBZEV, ppc64.ASUBZEV,
ppc64.AXOR: ppc64.AXOR:
t = variant2as(int(p1.As), as2variant(int(p1.As))|V_CC) t = variant2as(p1.As, as2variant(p1.As)|V_CC)
} }
if gc.Debug['D'] != 0 { if gc.Debug['D'] != 0 {
fmt.Printf("cmp %v; %v -> ", p1, p) fmt.Printf("cmp %v; %v -> ", p1, p)
} }
p1.As = int16(t) p1.As = t
if gc.Debug['D'] != 0 { if gc.Debug['D'] != 0 {
fmt.Printf("%v\n", p1) fmt.Printf("%v\n", p1)
} }
@ -611,7 +611,7 @@ func copyu(p *obj.Prog, v *obj.Addr, s *obj.Addr) int {
switch p.As { switch p.As {
default: default:
fmt.Printf("copyu: can't find %v\n", obj.Aconv(int(p.As))) fmt.Printf("copyu: can't find %v\n", obj.Aconv(p.As))
return 2 return 2
case obj.ANOP, /* read p->from, write p->to */ case obj.ANOP, /* read p->from, write p->to */

13
src/cmd/compile/internal/ppc64/prog.go
View file

@ -110,7 +110,8 @@ func initproginfo() {
// Perform one-time expansion of instructions in progtable to // Perform one-time expansion of instructions in progtable to
// their CC, V, and VCC variants // their CC, V, and VCC variants
for as := range progtable { for i := range progtable {
as := obj.As(i)
if progtable[as].Flags == 0 { if progtable[as].Flags == 0 {
continue continue
} }
@ -171,7 +172,7 @@ func proginfo(p *obj.Prog) {
// Instruction variants table. Initially this contains entries only // Instruction variants table. Initially this contains entries only
// for the "base" form of each instruction. On the first call to // for the "base" form of each instruction. On the first call to
// as2variant or variant2as, we'll add the variants to the table. // as2variant or variant2as, we'll add the variants to the table.
var varianttable = [ppc64.ALAST][4]int{ var varianttable = [ppc64.ALAST][4]obj.As{
ppc64.AADD: {ppc64.AADD, ppc64.AADDCC, ppc64.AADDV, ppc64.AADDVCC}, ppc64.AADD: {ppc64.AADD, ppc64.AADDCC, ppc64.AADDV, ppc64.AADDVCC},
ppc64.AADDC: {ppc64.AADDC, ppc64.AADDCCC, ppc64.AADDCV, ppc64.AADDCVCC}, ppc64.AADDC: {ppc64.AADDC, ppc64.AADDCCC, ppc64.AADDCV, ppc64.AADDCVCC},
ppc64.AADDE: {ppc64.AADDE, ppc64.AADDECC, ppc64.AADDEV, ppc64.AADDEVCC}, ppc64.AADDE: {ppc64.AADDE, ppc64.AADDECC, ppc64.AADDEV, ppc64.AADDEVCC},
@ -261,12 +262,12 @@ func initvariants() {
for i := range varianttable { for i := range varianttable {
if varianttable[i][0] == 0 { if varianttable[i][0] == 0 {
// Instruction has no variants // Instruction has no variants
varianttable[i][0] = i varianttable[i][0] = obj.As(i)
continue continue
} }
// Copy base form to other variants // Copy base form to other variants
if varianttable[i][0] == i { if varianttable[i][0] == obj.As(i) {
for j := range varianttable[i] { for j := range varianttable[i] {
varianttable[varianttable[i][j]] = varianttable[i] varianttable[varianttable[i][j]] = varianttable[i]
} }
@ -275,7 +276,7 @@ func initvariants() {
} }
// as2variant returns the variant (V_*) flags of instruction as. // as2variant returns the variant (V_*) flags of instruction as.
func as2variant(as int) int { func as2variant(as obj.As) int {
for i := range varianttable[as] { for i := range varianttable[as] {
if varianttable[as][i] == as { if varianttable[as][i] == as {
return i return i
@ -287,6 +288,6 @@ func as2variant(as int) int {
// variant2as returns the instruction as with the given variant (V_*) flags. // variant2as returns the instruction as with the given variant (V_*) flags.
// If no such variant exists, this returns 0. // If no such variant exists, this returns 0.
func variant2as(as int, flags int) int { func variant2as(as obj.As, flags int) obj.As {
return varianttable[as][flags] return varianttable[as][flags]
} }

7
src/cmd/compile/internal/ssa/gen/main.go
View file

@ -78,7 +78,10 @@ func genOp() {
fmt.Fprintln(w) fmt.Fprintln(w)
fmt.Fprintln(w, "package ssa") fmt.Fprintln(w, "package ssa")
fmt.Fprintln(w, "import \"cmd/internal/obj/x86\"") fmt.Fprintln(w, "import (")
fmt.Fprintln(w, "\"cmd/internal/obj\"")
fmt.Fprintln(w, "\"cmd/internal/obj/x86\"")
fmt.Fprintln(w, ")")
// generate Block* declarations // generate Block* declarations
fmt.Fprintln(w, "const (") fmt.Fprintln(w, "const (")
@ -184,7 +187,7 @@ func genOp() {
} }
fmt.Fprintln(w, "}") fmt.Fprintln(w, "}")
fmt.Fprintln(w, "func (o Op) Asm() int {return opcodeTable[o].asm}") fmt.Fprintln(w, "func (o Op) Asm() obj.As {return opcodeTable[o].asm}")
// generate op string method // generate op string method
fmt.Fprintln(w, "func (o Op) String() string {return opcodeTable[o].name }") fmt.Fprintln(w, "func (o Op) String() string {return opcodeTable[o].name }")

7
src/cmd/compile/internal/ssa/op.go
View file

@ -4,7 +4,10 @@
package ssa package ssa
import "fmt" import (
"cmd/internal/obj"
"fmt"
)
// An Op encodes the specific operation that a Value performs. // An Op encodes the specific operation that a Value performs.
// Opcodes' semantics can be modified by the type and aux fields of the Value. // Opcodes' semantics can be modified by the type and aux fields of the Value.
@ -16,10 +19,10 @@ type Op int32
type opInfo struct { type opInfo struct {
name string name string
asm int
reg regInfo reg regInfo
auxType auxType auxType auxType
argLen int32 // the number of arugments, -1 if variable length argLen int32 // the number of arugments, -1 if variable length
asm obj.As
generic bool // this is a generic (arch-independent) opcode generic bool // this is a generic (arch-independent) opcode
rematerializeable bool // this op is rematerializeable rematerializeable bool // this op is rematerializeable
commutative bool // this operation is commutative (e.g. addition) commutative bool // this operation is commutative (e.g. addition)

7
src/cmd/compile/internal/ssa/opGen.go
View file

@ -3,7 +3,10 @@
package ssa package ssa
import "cmd/internal/obj/x86" import (
"cmd/internal/obj"
"cmd/internal/obj/x86"
)
const ( const (
BlockInvalid BlockKind = iota BlockInvalid BlockKind = iota
@ -5261,5 +5264,5 @@ var opcodeTable = [...]opInfo{
}, },
} }
func (o Op) Asm() int { return opcodeTable[o].asm } func (o Op) Asm() obj.As { return opcodeTable[o].asm }
func (o Op) String() string { return opcodeTable[o].name } func (o Op) String() string { return opcodeTable[o].name }

6
src/cmd/compile/internal/x86/ggen.go
View file

@ -84,10 +84,10 @@ func zerorange(p *obj.Prog, frame int64, lo int64, hi int64, ax *uint32) *obj.Pr
return p return p
} }
func appendpp(p *obj.Prog, as int, ftype obj.AddrType, freg int, foffset int64, ttype obj.AddrType, treg int, toffset int64) *obj.Prog { func appendpp(p *obj.Prog, as obj.As, ftype obj.AddrType, freg int, foffset int64, ttype obj.AddrType, treg int, toffset int64) *obj.Prog {
q := gc.Ctxt.NewProg() q := gc.Ctxt.NewProg()
gc.Clearp(q) gc.Clearp(q)
q.As = int16(as) q.As = as
q.Lineno = p.Lineno q.Lineno = p.Lineno
q.From.Type = ftype q.From.Type = ftype
q.From.Reg = int16(freg) q.From.Reg = int16(freg)
@ -654,7 +654,7 @@ func cgen_float387(n *gc.Node, res *gc.Node) {
} }
func cgen_floatsse(n *gc.Node, res *gc.Node) { func cgen_floatsse(n *gc.Node, res *gc.Node) {
var a int var a obj.As
nl := n.Left nl := n.Left
nr := n.Right nr := n.Right

18
src/cmd/compile/internal/x86/gsubr.go
View file

@ -53,7 +53,7 @@ const (
/* /*
* return Axxx for Oxxx on type t. * return Axxx for Oxxx on type t.
*/ */
func optoas(op gc.Op, t *gc.Type) int { func optoas(op gc.Op, t *gc.Type) obj.As {
if t == nil { if t == nil {
gc.Fatalf("optoas: t is nil") gc.Fatalf("optoas: t is nil")
} }
@ -436,7 +436,7 @@ func optoas(op gc.Op, t *gc.Type) int {
return a return a
} }
func foptoas(op gc.Op, t *gc.Type, flg int) int { func foptoas(op gc.Op, t *gc.Type, flg int) obj.As {
a := obj.AXXX a := obj.AXXX
et := gc.Simtype[t.Etype] et := gc.Simtype[t.Etype]
@ -605,7 +605,7 @@ var resvd = []int{
* generate * generate
* as $c, reg * as $c, reg
*/ */
func gconreg(as int, c int64, reg int) { func gconreg(as obj.As, c int64, reg int) {
var n1 gc.Node var n1 gc.Node
var n2 gc.Node var n2 gc.Node
@ -618,7 +618,7 @@ func gconreg(as int, c int64, reg int) {
* generate * generate
* as $c, n * as $c, n
*/ */
func ginscon(as int, c int64, n2 *gc.Node) { func ginscon(as obj.As, c int64, n2 *gc.Node) {
var n1 gc.Node var n1 gc.Node
gc.Nodconst(&n1, gc.Types[gc.TINT32], c) gc.Nodconst(&n1, gc.Types[gc.TINT32], c)
gins(as, &n1, n2) gins(as, &n1, n2)
@ -831,7 +831,7 @@ func gmove(f *gc.Node, t *gc.Node) {
// cannot have two integer memory operands; // cannot have two integer memory operands;
// except 64-bit, which always copies via registers anyway. // except 64-bit, which always copies via registers anyway.
var r1 gc.Node var r1 gc.Node
var a int var a obj.As
if gc.Isint[ft] && gc.Isint[tt] && !gc.Is64(f.Type) && !gc.Is64(t.Type) && gc.Ismem(f) && gc.Ismem(t) { if gc.Isint[ft] && gc.Isint[tt] && !gc.Is64(f.Type) && !gc.Is64(t.Type) && gc.Ismem(f) && gc.Ismem(t) {
goto hard goto hard
} }
@ -1360,7 +1360,7 @@ hardmem:
func floatmove_387(f *gc.Node, t *gc.Node) { func floatmove_387(f *gc.Node, t *gc.Node) {
var r1 gc.Node var r1 gc.Node
var a int var a obj.As
ft := gc.Simsimtype(f.Type) ft := gc.Simsimtype(f.Type)
tt := gc.Simsimtype(t.Type) tt := gc.Simsimtype(t.Type)
@ -1611,7 +1611,7 @@ fatal:
func floatmove_sse(f *gc.Node, t *gc.Node) { func floatmove_sse(f *gc.Node, t *gc.Node) {
var r1 gc.Node var r1 gc.Node
var cvt *gc.Type var cvt *gc.Type
var a int var a obj.As
ft := gc.Simsimtype(f.Type) ft := gc.Simsimtype(f.Type)
tt := gc.Simsimtype(t.Type) tt := gc.Simsimtype(t.Type)
@ -1753,7 +1753,7 @@ func samaddr(f *gc.Node, t *gc.Node) bool {
* generate one instruction: * generate one instruction:
* as f, t * as f, t
*/ */
func gins(as int, f *gc.Node, t *gc.Node) *obj.Prog { func gins(as obj.As, f *gc.Node, t *gc.Node) *obj.Prog {
if as == x86.AFMOVF && f != nil && f.Op == gc.OREGISTER && t != nil && t.Op == gc.OREGISTER { if as == x86.AFMOVF && f != nil && f.Op == gc.OREGISTER && t != nil && t.Op == gc.OREGISTER {
gc.Fatalf("gins MOVF reg, reg") gc.Fatalf("gins MOVF reg, reg")
} }
@ -1847,7 +1847,7 @@ func dotaddable(n *gc.Node, n1 *gc.Node) bool {
func sudoclean() { func sudoclean() {
} }
func sudoaddable(as int, n *gc.Node, a *obj.Addr) bool { func sudoaddable(as obj.As, n *gc.Node, a *obj.Addr) bool {
*a = obj.Addr{} *a = obj.Addr{}
return false return false
} }

72
src/cmd/internal/obj/arm/asm5.go
View file

@ -39,7 +39,7 @@ import (
) )
type Optab struct { type Optab struct {
as uint16 as obj.As
a1 uint8 a1 uint8
a2 int8 a2 int8
a3 uint8 a3 uint8
@ -1201,7 +1201,7 @@ func oplook(ctxt *obj.Link, p *obj.Prog) *Optab {
} }
if false { /*debug['O']*/ if false { /*debug['O']*/
fmt.Printf("oplook %v %v %v %v\n", obj.Aconv(int(p.As)), DRconv(a1), DRconv(a2), DRconv(a3)) fmt.Printf("oplook %v %v %v %v\n", obj.Aconv(p.As), DRconv(a1), DRconv(a2), DRconv(a3))
fmt.Printf("\t\t%d %d\n", p.From.Type, p.To.Type) fmt.Printf("\t\t%d %d\n", p.From.Type, p.To.Type)
} }
@ -1319,7 +1319,7 @@ func (x ocmp) Less(i, j int) bool {
return false return false
} }
func opset(a, b0 uint16) { func opset(a, b0 obj.As) {
oprange[a&obj.AMask] = oprange[b0] oprange[a&obj.AMask] = oprange[b0]
} }
@ -1356,7 +1356,7 @@ func buildop(ctxt *obj.Link) {
switch r { switch r {
default: default:
ctxt.Diag("unknown op in build: %v", obj.Aconv(int(r))) ctxt.Diag("unknown op in build: %v", obj.Aconv(r))
log.Fatalf("bad code") log.Fatalf("bad code")
case AADD: case AADD:
@ -1513,7 +1513,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
} }
case 1: /* op R,[R],R */ case 1: /* op R,[R],R */
o1 = oprrr(ctxt, int(p.As), int(p.Scond)) o1 = oprrr(ctxt, p.As, int(p.Scond))
rf := int(p.From.Reg) rf := int(p.From.Reg)
rt := int(p.To.Reg) rt := int(p.To.Reg)
@ -1531,7 +1531,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
case 2: /* movbu $I,[R],R */ case 2: /* movbu $I,[R],R */
aclass(ctxt, &p.From) aclass(ctxt, &p.From)
o1 = oprrr(ctxt, int(p.As), int(p.Scond)) o1 = oprrr(ctxt, p.As, int(p.Scond))
o1 |= uint32(immrot(uint32(ctxt.Instoffset))) o1 |= uint32(immrot(uint32(ctxt.Instoffset)))
rt := int(p.To.Reg) rt := int(p.To.Reg)
r := int(p.Reg) r := int(p.Reg)
@ -1561,7 +1561,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 |= (uint32(p.To.Reg) & 15) << 12 o1 |= (uint32(p.To.Reg) & 15) << 12
case 5: /* bra s */ case 5: /* bra s */
o1 = opbra(ctxt, p, int(p.As), int(p.Scond)) o1 = opbra(ctxt, p, p.As, int(p.Scond))
v := int32(-8) v := int32(-8)
if p.To.Sym != nil { if p.To.Sym != nil {
@ -1604,7 +1604,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
case 8: /* sll $c,[R],R -> mov (R<<$c),R */ case 8: /* sll $c,[R],R -> mov (R<<$c),R */
aclass(ctxt, &p.From) aclass(ctxt, &p.From)
o1 = oprrr(ctxt, int(p.As), int(p.Scond)) o1 = oprrr(ctxt, p.As, int(p.Scond))
r := int(p.Reg) r := int(p.Reg)
if r == 0 { if r == 0 {
r = int(p.To.Reg) r = int(p.To.Reg)
@ -1614,7 +1614,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 |= (uint32(p.To.Reg) & 15) << 12 o1 |= (uint32(p.To.Reg) & 15) << 12
case 9: /* sll R,[R],R -> mov (R<<R),R */ case 9: /* sll R,[R],R -> mov (R<<R),R */
o1 = oprrr(ctxt, int(p.As), int(p.Scond)) o1 = oprrr(ctxt, p.As, int(p.Scond))
r := int(p.Reg) r := int(p.Reg)
if r == 0 { if r == 0 {
@ -1625,7 +1625,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 |= (uint32(p.To.Reg) & 15) << 12 o1 |= (uint32(p.To.Reg) & 15) << 12
case 10: /* swi [$con] */ case 10: /* swi [$con] */
o1 = oprrr(ctxt, int(p.As), int(p.Scond)) o1 = oprrr(ctxt, p.As, int(p.Scond))
if p.To.Type != obj.TYPE_NONE { if p.To.Type != obj.TYPE_NONE {
aclass(ctxt, &p.To) aclass(ctxt, &p.To)
@ -1672,7 +1672,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
if o1 == 0 { if o1 == 0 {
break break
} }
o2 = oprrr(ctxt, int(p.As), int(p.Scond)) o2 = oprrr(ctxt, p.As, int(p.Scond))
o2 |= REGTMP & 15 o2 |= REGTMP & 15
r := int(p.Reg) r := int(p.Reg)
if p.As == AMOVW || p.As == AMVN { if p.As == AMOVW || p.As == AMVN {
@ -1706,7 +1706,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
} }
case 15: /* mul r,[r,]r */ case 15: /* mul r,[r,]r */
o1 = oprrr(ctxt, int(p.As), int(p.Scond)) o1 = oprrr(ctxt, p.As, int(p.Scond))
rf := int(p.From.Reg) rf := int(p.From.Reg)
rt := int(p.To.Reg) rt := int(p.To.Reg)
@ -1734,7 +1734,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o2 = 0 o2 = 0
case 17: case 17:
o1 = oprrr(ctxt, int(p.As), int(p.Scond)) o1 = oprrr(ctxt, p.As, int(p.Scond))
rf := int(p.From.Reg) rf := int(p.From.Reg)
rt := int(p.To.Reg) rt := int(p.To.Reg)
rt2 := int(p.To.Offset) rt2 := int(p.To.Offset)
@ -1748,7 +1748,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
if r == 0 { if r == 0 {
r = int(o.param) r = int(o.param)
} }
o1 = osr(ctxt, int(p.As), int(p.From.Reg), int32(ctxt.Instoffset), r, int(p.Scond)) o1 = osr(ctxt, p.As, int(p.From.Reg), int32(ctxt.Instoffset), r, int(p.Scond))
case 21: /* mov/movbu O(R),R -> lr */ case 21: /* mov/movbu O(R),R -> lr */
aclass(ctxt, &p.From) aclass(ctxt, &p.From)
@ -1898,7 +1898,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
if r == 0 { if r == 0 {
r = int(o.param) r = int(o.param)
} }
o1 = ofsr(ctxt, int(p.As), int(p.From.Reg), v, r, int(p.Scond), p) o1 = ofsr(ctxt, p.As, int(p.From.Reg), v, r, int(p.Scond), p)
case 51: /* floating point load */ case 51: /* floating point load */
v := regoff(ctxt, &p.From) v := regoff(ctxt, &p.From)
@ -1907,7 +1907,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
if r == 0 { if r == 0 {
r = int(o.param) r = int(o.param)
} }
o1 = ofsr(ctxt, int(p.As), int(p.To.Reg), v, r, int(p.Scond), p) | 1<<20 o1 = ofsr(ctxt, p.As, int(p.To.Reg), v, r, int(p.Scond), p) | 1<<20
case 52: /* floating point store, int32 offset UGLY */ case 52: /* floating point store, int32 offset UGLY */
o1 = omvl(ctxt, p, &p.To, REGTMP) o1 = omvl(ctxt, p, &p.To, REGTMP)
@ -1920,7 +1920,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
r = int(o.param) r = int(o.param)
} }
o2 = oprrr(ctxt, AADD, int(p.Scond)) | (REGTMP&15)<<12 | (REGTMP&15)<<16 | (uint32(r)&15)<<0 o2 = oprrr(ctxt, AADD, int(p.Scond)) | (REGTMP&15)<<12 | (REGTMP&15)<<16 | (uint32(r)&15)<<0
o3 = ofsr(ctxt, int(p.As), int(p.From.Reg), 0, REGTMP, int(p.Scond), p) o3 = ofsr(ctxt, p.As, int(p.From.Reg), 0, REGTMP, int(p.Scond), p)
case 53: /* floating point load, int32 offset UGLY */ case 53: /* floating point load, int32 offset UGLY */
o1 = omvl(ctxt, p, &p.From, REGTMP) o1 = omvl(ctxt, p, &p.From, REGTMP)
@ -1933,10 +1933,10 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
r = int(o.param) r = int(o.param)
} }
o2 = oprrr(ctxt, AADD, int(p.Scond)) | (REGTMP&15)<<12 | (REGTMP&15)<<16 | (uint32(r)&15)<<0 o2 = oprrr(ctxt, AADD, int(p.Scond)) | (REGTMP&15)<<12 | (REGTMP&15)<<16 | (uint32(r)&15)<<0
o3 = ofsr(ctxt, int(p.As), int(p.To.Reg), 0, (REGTMP&15), int(p.Scond), p) | 1<<20 o3 = ofsr(ctxt, p.As, int(p.To.Reg), 0, (REGTMP&15), int(p.Scond), p) | 1<<20
case 54: /* floating point arith */ case 54: /* floating point arith */
o1 = oprrr(ctxt, int(p.As), int(p.Scond)) o1 = oprrr(ctxt, p.As, int(p.Scond))
rf := int(p.From.Reg) rf := int(p.From.Reg)
rt := int(p.To.Reg) rt := int(p.To.Reg)
@ -2020,7 +2020,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
if o1 == 0 { if o1 == 0 {
break break
} }
o2 = osr(ctxt, int(p.As), int(p.From.Reg), 0, REGTMP, int(p.Scond)) o2 = osr(ctxt, p.As, int(p.From.Reg), 0, REGTMP, int(p.Scond))
if o.flag&LPCREL != 0 { if o.flag&LPCREL != 0 {
o3 = o2 o3 = o2
o2 = oprrr(ctxt, AADD, int(p.Scond)) | REGTMP&15 | (REGPC&15)<<16 | (REGTMP&15)<<12 o2 = oprrr(ctxt, AADD, int(p.Scond)) | REGTMP&15 | (REGPC&15)<<16 | (REGTMP&15)<<12
@ -2091,7 +2091,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
if o1 == 0 { if o1 == 0 {
break break
} }
o2 = ofsr(ctxt, int(p.As), int(p.From.Reg), 0, REGTMP, int(p.Scond), p) o2 = ofsr(ctxt, p.As, int(p.From.Reg), 0, REGTMP, int(p.Scond), p)
if o.flag&LPCREL != 0 { if o.flag&LPCREL != 0 {
o3 = o2 o3 = o2
o2 = oprrr(ctxt, AADD, int(p.Scond)) | REGTMP&15 | (REGPC&15)<<16 | (REGTMP&15)<<12 o2 = oprrr(ctxt, AADD, int(p.Scond)) | REGTMP&15 | (REGPC&15)<<16 | (REGTMP&15)<<12
@ -2103,7 +2103,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
if o1 == 0 { if o1 == 0 {
break break
} }
o2 = ofsr(ctxt, int(p.As), int(p.To.Reg), 0, (REGTMP&15), int(p.Scond), p) | 1<<20 o2 = ofsr(ctxt, p.As, int(p.To.Reg), 0, (REGTMP&15), int(p.Scond), p) | 1<<20
if o.flag&LPCREL != 0 { if o.flag&LPCREL != 0 {
o3 = o2 o3 = o2
o2 = oprrr(ctxt, AADD, int(p.Scond)) | REGTMP&15 | (REGPC&15)<<16 | (REGTMP&15)<<12 o2 = oprrr(ctxt, AADD, int(p.Scond)) | REGTMP&15 | (REGPC&15)<<16 | (REGTMP&15)<<12
@ -2245,34 +2245,34 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 |= (uint32(v) & 0xf0) << 12 o1 |= (uint32(v) & 0xf0) << 12
case 82: /* fcmp freg,freg, */ case 82: /* fcmp freg,freg, */
o1 = oprrr(ctxt, int(p.As), int(p.Scond)) o1 = oprrr(ctxt, p.As, int(p.Scond))
o1 |= (uint32(p.Reg)&15)<<12 | (uint32(p.From.Reg)&15)<<0 o1 |= (uint32(p.Reg)&15)<<12 | (uint32(p.From.Reg)&15)<<0
o2 = 0x0ef1fa10 // VMRS R15 o2 = 0x0ef1fa10 // VMRS R15
o2 |= ((uint32(p.Scond) & C_SCOND) ^ C_SCOND_XOR) << 28 o2 |= ((uint32(p.Scond) & C_SCOND) ^ C_SCOND_XOR) << 28
case 83: /* fcmp freg,, */ case 83: /* fcmp freg,, */
o1 = oprrr(ctxt, int(p.As), int(p.Scond)) o1 = oprrr(ctxt, p.As, int(p.Scond))
o1 |= (uint32(p.From.Reg)&15)<<12 | 1<<16 o1 |= (uint32(p.From.Reg)&15)<<12 | 1<<16
o2 = 0x0ef1fa10 // VMRS R15 o2 = 0x0ef1fa10 // VMRS R15
o2 |= ((uint32(p.Scond) & C_SCOND) ^ C_SCOND_XOR) << 28 o2 |= ((uint32(p.Scond) & C_SCOND) ^ C_SCOND_XOR) << 28
case 84: /* movfw freg,freg - truncate float-to-fix */ case 84: /* movfw freg,freg - truncate float-to-fix */
o1 = oprrr(ctxt, int(p.As), int(p.Scond)) o1 = oprrr(ctxt, p.As, int(p.Scond))
o1 |= (uint32(p.From.Reg) & 15) << 0 o1 |= (uint32(p.From.Reg) & 15) << 0
o1 |= (uint32(p.To.Reg) & 15) << 12 o1 |= (uint32(p.To.Reg) & 15) << 12
case 85: /* movwf freg,freg - fix-to-float */ case 85: /* movwf freg,freg - fix-to-float */
o1 = oprrr(ctxt, int(p.As), int(p.Scond)) o1 = oprrr(ctxt, p.As, int(p.Scond))
o1 |= (uint32(p.From.Reg) & 15) << 0 o1 |= (uint32(p.From.Reg) & 15) << 0
o1 |= (uint32(p.To.Reg) & 15) << 12 o1 |= (uint32(p.To.Reg) & 15) << 12
// macro for movfw freg,FTMP; movw FTMP,reg // macro for movfw freg,FTMP; movw FTMP,reg
case 86: /* movfw freg,reg - truncate float-to-fix */ case 86: /* movfw freg,reg - truncate float-to-fix */
o1 = oprrr(ctxt, int(p.As), int(p.Scond)) o1 = oprrr(ctxt, p.As, int(p.Scond))
o1 |= (uint32(p.From.Reg) & 15) << 0 o1 |= (uint32(p.From.Reg) & 15) << 0
o1 |= (FREGTMP & 15) << 12 o1 |= (FREGTMP & 15) << 12
@ -2286,7 +2286,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 |= (uint32(p.From.Reg) & 15) << 12 o1 |= (uint32(p.From.Reg) & 15) << 12
o1 |= (FREGTMP & 15) << 16 o1 |= (FREGTMP & 15) << 16
o2 = oprrr(ctxt, int(p.As), int(p.Scond)) o2 = oprrr(ctxt, p.As, int(p.Scond))
o2 |= (FREGTMP & 15) << 0 o2 |= (FREGTMP & 15) << 0
o2 |= (uint32(p.To.Reg) & 15) << 12 o2 |= (uint32(p.To.Reg) & 15) << 12
@ -2379,20 +2379,20 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 = 0xf7fabcfd o1 = 0xf7fabcfd
case 97: /* CLZ Rm, Rd */ case 97: /* CLZ Rm, Rd */
o1 = oprrr(ctxt, int(p.As), int(p.Scond)) o1 = oprrr(ctxt, p.As, int(p.Scond))
o1 |= (uint32(p.To.Reg) & 15) << 12 o1 |= (uint32(p.To.Reg) & 15) << 12
o1 |= (uint32(p.From.Reg) & 15) << 0 o1 |= (uint32(p.From.Reg) & 15) << 0
case 98: /* MULW{T,B} Rs, Rm, Rd */ case 98: /* MULW{T,B} Rs, Rm, Rd */
o1 = oprrr(ctxt, int(p.As), int(p.Scond)) o1 = oprrr(ctxt, p.As, int(p.Scond))
o1 |= (uint32(p.To.Reg) & 15) << 16 o1 |= (uint32(p.To.Reg) & 15) << 16
o1 |= (uint32(p.From.Reg) & 15) << 8 o1 |= (uint32(p.From.Reg) & 15) << 8
o1 |= (uint32(p.Reg) & 15) << 0 o1 |= (uint32(p.Reg) & 15) << 0
case 99: /* MULAW{T,B} Rs, Rm, Rn, Rd */ case 99: /* MULAW{T,B} Rs, Rm, Rn, Rd */
o1 = oprrr(ctxt, int(p.As), int(p.Scond)) o1 = oprrr(ctxt, p.As, int(p.Scond))
o1 |= (uint32(p.To.Reg) & 15) << 12 o1 |= (uint32(p.To.Reg) & 15) << 12
o1 |= (uint32(p.From.Reg) & 15) << 8 o1 |= (uint32(p.From.Reg) & 15) << 8
@ -2418,7 +2418,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
func mov(ctxt *obj.Link, p *obj.Prog) uint32 { func mov(ctxt *obj.Link, p *obj.Prog) uint32 {
aclass(ctxt, &p.From) aclass(ctxt, &p.From)
o1 := oprrr(ctxt, int(p.As), int(p.Scond)) o1 := oprrr(ctxt, p.As, int(p.Scond))
o1 |= uint32(p.From.Offset) o1 |= uint32(p.From.Offset)
rt := int(p.To.Reg) rt := int(p.To.Reg)
if p.To.Type == obj.TYPE_NONE { if p.To.Type == obj.TYPE_NONE {
@ -2434,7 +2434,7 @@ func mov(ctxt *obj.Link, p *obj.Prog) uint32 {
return o1 return o1
} }
func oprrr(ctxt *obj.Link, a int, sc int) uint32 { func oprrr(ctxt *obj.Link, a obj.As, sc int) uint32 {
o := ((uint32(sc) & C_SCOND) ^ C_SCOND_XOR) << 28 o := ((uint32(sc) & C_SCOND) ^ C_SCOND_XOR) << 28
if sc&C_SBIT != 0 { if sc&C_SBIT != 0 {
o |= 1 << 20 o |= 1 << 20
@ -2594,7 +2594,7 @@ func oprrr(ctxt *obj.Link, a int, sc int) uint32 {
return 0 return 0
} }
func opbra(ctxt *obj.Link, p *obj.Prog, a int, sc int) uint32 { func opbra(ctxt *obj.Link, p *obj.Prog, a obj.As, sc int) uint32 {
if sc&(C_SBIT|C_PBIT|C_WBIT) != 0 { if sc&(C_SBIT|C_PBIT|C_WBIT) != 0 {
ctxt.Diag("%v: .nil/.nil/.W on bra instruction", p) ctxt.Diag("%v: .nil/.nil/.W on bra instruction", p)
} }
@ -2706,7 +2706,7 @@ func olhr(ctxt *obj.Link, v int32, b int, r int, sc int) uint32 {
return o return o
} }
func osr(ctxt *obj.Link, a int, r int, v int32, b int, sc int) uint32 { func osr(ctxt *obj.Link, a obj.As, r int, v int32, b int, sc int) uint32 {
o := olr(ctxt, v, b, r, sc) ^ (1 << 20) o := olr(ctxt, v, b, r, sc) ^ (1 << 20)
if a != AMOVW { if a != AMOVW {
o |= 1 << 22 o |= 1 << 22
@ -2735,7 +2735,7 @@ func olhrr(ctxt *obj.Link, i int, b int, r int, sc int) uint32 {
return olhr(ctxt, int32(i), b, r, sc) ^ (1 << 22) return olhr(ctxt, int32(i), b, r, sc) ^ (1 << 22)
} }
func ofsr(ctxt *obj.Link, a int, r int, v int32, b int, sc int, p *obj.Prog) uint32 { func ofsr(ctxt *obj.Link, a obj.As, r int, v int32, b int, sc int, p *obj.Prog) uint32 {
if sc&C_SBIT != 0 { if sc&C_SBIT != 0 {
ctxt.Diag(".nil on FLDR/FSTR instruction: %v", p) ctxt.Diag(".nil on FLDR/FSTR instruction: %v", p)
} }

16
src/cmd/internal/obj/arm/obj5.go
View file

@ -342,12 +342,11 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym) {
q = p q = p
} }
var o int
var p1 *obj.Prog var p1 *obj.Prog
var p2 *obj.Prog var p2 *obj.Prog
var q2 *obj.Prog var q2 *obj.Prog
for p := cursym.Text; p != nil; p = p.Link { for p := cursym.Text; p != nil; p = p.Link {
o = int(p.As) o := p.As
switch o { switch o {
case obj.ATEXT: case obj.ATEXT:
autosize = int32(p.To.Offset + 4) autosize = int32(p.To.Offset + 4)
@ -860,7 +859,7 @@ func follow(ctxt *obj.Link, s *obj.LSym) {
s.Text = firstp.Link s.Text = firstp.Link
} }
func relinv(a int) int { func relinv(a obj.As) obj.As {
switch a { switch a {
case ABEQ: case ABEQ:
return ABNE return ABNE
@ -903,14 +902,13 @@ func relinv(a int) int {
func xfol(ctxt *obj.Link, p *obj.Prog, last **obj.Prog) { func xfol(ctxt *obj.Link, p *obj.Prog, last **obj.Prog) {
var q *obj.Prog var q *obj.Prog
var r *obj.Prog var r *obj.Prog
var a int
var i int var i int
loop: loop:
if p == nil { if p == nil {
return return
} }
a = int(p.As) a := p.As
if a == AB { if a == AB {
q = p.Pcond q = p.Pcond
if q != nil && q.As != obj.ATEXT { if q != nil && q.As != obj.ATEXT {
@ -929,7 +927,7 @@ loop:
if q == *last || q == nil { if q == *last || q == nil {
break break
} }
a = int(q.As) a = q.As
if a == obj.ANOP { if a == obj.ANOP {
i-- i--
continue continue
@ -983,7 +981,7 @@ loop:
a = AB a = AB
q = ctxt.NewProg() q = ctxt.NewProg()
q.As = int16(a) q.As = a
q.Lineno = p.Lineno q.Lineno = p.Lineno
q.To.Type = obj.TYPE_BRANCH q.To.Type = obj.TYPE_BRANCH
q.To.Offset = p.Pc q.To.Offset = p.Pc
@ -1003,7 +1001,7 @@ loop:
q = obj.Brchain(ctxt, p.Link) q = obj.Brchain(ctxt, p.Link)
if a != obj.ATEXT { if a != obj.ATEXT {
if q != nil && (q.Mark&FOLL != 0) { if q != nil && (q.Mark&FOLL != 0) {
p.As = int16(relinv(a)) p.As = relinv(a)
p.Link = p.Pcond p.Link = p.Pcond
p.Pcond = q p.Pcond = q
} }
@ -1028,7 +1026,7 @@ loop:
goto loop goto loop
} }
var unaryDst = map[int]bool{ var unaryDst = map[obj.As]bool{
ASWI: true, ASWI: true,
AWORD: true, AWORD: true,
} }

192
src/cmd/internal/obj/arm64/asm7.go
View file

@ -47,7 +47,7 @@ const (
) )
type Optab struct { type Optab struct {
as uint16 as obj.As
a1 uint8 a1 uint8
a2 uint8 a2 uint8
a3 uint8 a3 uint8
@ -1109,7 +1109,7 @@ func oplook(ctxt *obj.Link, p *obj.Prog) *Optab {
} }
if false { if false {
fmt.Printf("oplook %v %d %d %d\n", obj.Aconv(int(p.As)), a1, a2, a3) fmt.Printf("oplook %v %d %d %d\n", obj.Aconv(p.As), a1, a2, a3)
fmt.Printf("\t\t%d %d\n", p.From.Type, p.To.Type) fmt.Printf("\t\t%d %d\n", p.From.Type, p.To.Type)
} }
@ -1290,25 +1290,20 @@ func (x ocmp) Swap(i, j int) {
func (x ocmp) Less(i, j int) bool { func (x ocmp) Less(i, j int) bool {
p1 := &x[i] p1 := &x[i]
p2 := &x[j] p2 := &x[j]
n := int(p1.as) - int(p2.as) if p1.as != p2.as {
if n != 0 { return p1.as < p2.as
return n < 0
} }
n = int(p1.a1) - int(p2.a1) if p1.a1 != p2.a1 {
if n != 0 { return p1.a1 < p2.a1
return n < 0
} }
n = int(p1.a2) - int(p2.a2) if p1.a2 != p2.a2 {
if n != 0 { return p1.a2 < p2.a2
return n < 0
} }
n = int(p1.a3) - int(p2.a3) if p1.a3 != p2.a3 {
if n != 0 { return p1.a3 < p2.a3
return n < 0
} }
n = int(p1.scond) - int(p2.scond) if p1.scond != p2.scond {
if n != 0 { return p1.scond < p2.scond
return n < 0
} }
return false return false
} }
@ -1325,11 +1320,10 @@ func buildop(ctxt *obj.Link) {
for n = 0; optab[n].as != obj.AXXX; n++ { for n = 0; optab[n].as != obj.AXXX; n++ {
} }
sort.Sort(ocmp(optab[:n])) sort.Sort(ocmp(optab[:n]))
var r int
for i := 0; i < n; i++ { for i := 0; i < n; i++ {
r = int(optab[i].as) r := optab[i].as
start := i start := i
for int(optab[i].as) == r { for optab[i].as == r {
i++ i++
} }
t := optab[start:i] t := optab[start:i]
@ -1812,7 +1806,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
break break
case 1: /* op Rm,[Rn],Rd; default Rn=Rd -> op Rm<<0,[Rn,]Rd (shifted register) */ case 1: /* op Rm,[Rn],Rd; default Rn=Rd -> op Rm<<0,[Rn,]Rd (shifted register) */
o1 = oprrr(ctxt, int(p.As)) o1 = oprrr(ctxt, p.As)
rf := int(p.From.Reg) rf := int(p.From.Reg)
rt := int(p.To.Reg) rt := int(p.To.Reg)
@ -1826,7 +1820,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 |= (uint32(rf&31) << 16) | (uint32(r&31) << 5) | uint32(rt&31) o1 |= (uint32(rf&31) << 16) | (uint32(r&31) << 5) | uint32(rt&31)
case 2: /* add/sub $(uimm12|uimm24)[,R],R; cmp $(uimm12|uimm24),R */ case 2: /* add/sub $(uimm12|uimm24)[,R],R; cmp $(uimm12|uimm24),R */
o1 = opirr(ctxt, int(p.As)) o1 = opirr(ctxt, p.As)
rt := int(p.To.Reg) rt := int(p.To.Reg)
if p.To.Type == obj.TYPE_NONE { if p.To.Type == obj.TYPE_NONE {
@ -1844,7 +1838,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 = oaddi(ctxt, int32(o1), v, r, rt) o1 = oaddi(ctxt, int32(o1), v, r, rt)
case 3: /* op R<<n[,R],R (shifted register) */ case 3: /* op R<<n[,R],R (shifted register) */
o1 = oprrr(ctxt, int(p.As)) o1 = oprrr(ctxt, p.As)
o1 |= uint32(p.From.Offset) /* includes reg, op, etc */ o1 |= uint32(p.From.Offset) /* includes reg, op, etc */
rt := int(p.To.Reg) rt := int(p.To.Reg)
@ -1860,7 +1854,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 |= (uint32(r&31) << 5) | uint32(rt&31) o1 |= (uint32(r&31) << 5) | uint32(rt&31)
case 4: /* mov $addcon, R; mov $recon, R; mov $racon, R */ case 4: /* mov $addcon, R; mov $recon, R; mov $racon, R */
o1 = opirr(ctxt, int(p.As)) o1 = opirr(ctxt, p.As)
rt := int(p.To.Reg) rt := int(p.To.Reg)
r := int(o.param) r := int(o.param)
@ -1881,7 +1875,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 |= ((uint32(v) & 0xFFF) << 10) | (uint32(r&31) << 5) | uint32(rt&31) o1 |= ((uint32(v) & 0xFFF) << 10) | (uint32(r&31) << 5) | uint32(rt&31)
case 5: /* b s; bl s */ case 5: /* b s; bl s */
o1 = opbra(ctxt, int(p.As)) o1 = opbra(ctxt, p.As)
if p.To.Sym == nil { if p.To.Sym == nil {
o1 |= uint32(brdist(ctxt, p, 0, 26, 2)) o1 |= uint32(brdist(ctxt, p, 0, 26, 2))
@ -1896,7 +1890,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
rel.Type = obj.R_CALLARM64 rel.Type = obj.R_CALLARM64
case 6: /* b ,O(R); bl ,O(R) */ case 6: /* b ,O(R); bl ,O(R) */
o1 = opbrr(ctxt, int(p.As)) o1 = opbrr(ctxt, p.As)
o1 |= uint32(p.To.Reg&31) << 5 o1 |= uint32(p.To.Reg&31) << 5
rel := obj.Addrel(ctxt.Cursym) rel := obj.Addrel(ctxt.Cursym)
@ -1905,7 +1899,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
rel.Type = obj.R_CALLIND rel.Type = obj.R_CALLIND
case 7: /* beq s */ case 7: /* beq s */
o1 = opbra(ctxt, int(p.As)) o1 = opbra(ctxt, p.As)
o1 |= uint32(brdist(ctxt, p, 0, 19, 2) << 5) o1 |= uint32(brdist(ctxt, p, 0, 19, 2) << 5)
@ -1948,7 +1942,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
} }
case 9: /* lsl Rm,[Rn],Rd -> lslv Rm, Rn, Rd */ case 9: /* lsl Rm,[Rn],Rd -> lslv Rm, Rn, Rd */
o1 = oprrr(ctxt, int(p.As)) o1 = oprrr(ctxt, p.As)
r := int(p.Reg) r := int(p.Reg)
if r == 0 { if r == 0 {
@ -1957,7 +1951,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 |= (uint32(p.From.Reg&31) << 16) | (uint32(r&31) << 5) | uint32(p.To.Reg&31) o1 |= (uint32(p.From.Reg&31) << 16) | (uint32(r&31) << 5) | uint32(p.To.Reg&31)
case 10: /* brk/hvc/.../svc [$con] */ case 10: /* brk/hvc/.../svc [$con] */
o1 = opimm(ctxt, int(p.As)) o1 = opimm(ctxt, p.As)
if p.To.Type != obj.TYPE_NONE { if p.To.Type != obj.TYPE_NONE {
o1 |= uint32((p.To.Offset & 0xffff) << 5) o1 |= uint32((p.To.Offset & 0xffff) << 5)
@ -1980,7 +1974,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
} }
case 12: /* movT $vcon, reg */ case 12: /* movT $vcon, reg */
o1 = omovlit(ctxt, int(p.As), p, &p.From, int(p.To.Reg)) o1 = omovlit(ctxt, p.As, p, &p.From, int(p.To.Reg))
case 13: /* addop $vcon, [R], R (64 bit literal); cmp $lcon,R -> addop $lcon,R, ZR */ case 13: /* addop $vcon, [R], R (64 bit literal); cmp $lcon,R -> addop $lcon,R, ZR */
o1 = omovlit(ctxt, AMOVD, p, &p.From, REGTMP) o1 = omovlit(ctxt, AMOVD, p, &p.From, REGTMP)
@ -1997,11 +1991,11 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
r = rt r = rt
} }
if p.To.Type != obj.TYPE_NONE && (p.To.Reg == REGSP || r == REGSP) { if p.To.Type != obj.TYPE_NONE && (p.To.Reg == REGSP || r == REGSP) {
o2 = opxrrr(ctxt, int(p.As)) o2 = opxrrr(ctxt, p.As)
o2 |= REGTMP & 31 << 16 o2 |= REGTMP & 31 << 16
o2 |= LSL0_64 o2 |= LSL0_64
} else { } else {
o2 = oprrr(ctxt, int(p.As)) o2 = oprrr(ctxt, p.As)
o2 |= REGTMP & 31 << 16 /* shift is 0 */ o2 |= REGTMP & 31 << 16 /* shift is 0 */
} }
@ -2027,7 +2021,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
} }
case 15: /* mul/mneg/umulh/umull r,[r,]r; madd/msub Rm,Rn,Ra,Rd */ case 15: /* mul/mneg/umulh/umull r,[r,]r; madd/msub Rm,Rn,Ra,Rd */
o1 = oprrr(ctxt, int(p.As)) o1 = oprrr(ctxt, p.As)
rf := int(p.From.Reg) rf := int(p.From.Reg)
rt := int(p.To.Reg) rt := int(p.To.Reg)
@ -2050,7 +2044,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 |= (uint32(rf&31) << 16) | (uint32(ra&31) << 10) | (uint32(r&31) << 5) | uint32(rt&31) o1 |= (uint32(rf&31) << 16) | (uint32(ra&31) << 10) | (uint32(r&31) << 5) | uint32(rt&31)
case 16: /* XremY R[,R],R -> XdivY; XmsubY */ case 16: /* XremY R[,R],R -> XdivY; XmsubY */
o1 = oprrr(ctxt, int(p.As)) o1 = oprrr(ctxt, p.As)
rf := int(p.From.Reg) rf := int(p.From.Reg)
rt := int(p.To.Reg) rt := int(p.To.Reg)
@ -2064,7 +2058,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o2 |= (uint32(rf&31) << 16) | (uint32(r&31) << 10) | (REGTMP & 31 << 5) | uint32(rt&31) o2 |= (uint32(rf&31) << 16) | (uint32(r&31) << 10) | (REGTMP & 31 << 5) | uint32(rt&31)
case 17: /* op Rm,[Rn],Rd; default Rn=ZR */ case 17: /* op Rm,[Rn],Rd; default Rn=ZR */
o1 = oprrr(ctxt, int(p.As)) o1 = oprrr(ctxt, p.As)
rf := int(p.From.Reg) rf := int(p.From.Reg)
rt := int(p.To.Reg) rt := int(p.To.Reg)
@ -2078,7 +2072,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 |= (uint32(rf&31) << 16) | (uint32(r&31) << 5) | uint32(rt&31) o1 |= (uint32(rf&31) << 16) | (uint32(r&31) << 5) | uint32(rt&31)
case 18: /* csel cond,Rn,Rm,Rd; cinc/cinv/cneg cond,Rn,Rd; cset cond,Rd */ case 18: /* csel cond,Rn,Rm,Rd; cinc/cinv/cneg cond,Rn,Rd; cset cond,Rd */
o1 = oprrr(ctxt, int(p.As)) o1 = oprrr(ctxt, p.As)
cond := int(p.From.Reg) cond := int(p.From.Reg)
r := int(p.Reg) r := int(p.Reg)
@ -2111,10 +2105,10 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
cond := int(p.From.Reg) cond := int(p.From.Reg)
var rf int var rf int
if p.From3.Type == obj.TYPE_REG { if p.From3.Type == obj.TYPE_REG {
o1 = oprrr(ctxt, int(p.As)) o1 = oprrr(ctxt, p.As)
rf = int(p.From3.Reg) /* Rm */ rf = int(p.From3.Reg) /* Rm */
} else { } else {
o1 = opirr(ctxt, int(p.As)) o1 = opirr(ctxt, p.As)
rf = int(p.From3.Offset & 0x1F) rf = int(p.From3.Offset & 0x1F)
} }
@ -2128,10 +2122,10 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
r = int(o.param) r = int(o.param)
} }
if v < 0 { /* unscaled 9-bit signed */ if v < 0 { /* unscaled 9-bit signed */
o1 = olsr9s(ctxt, int32(opstr9(ctxt, int(p.As))), v, r, int(p.From.Reg)) o1 = olsr9s(ctxt, int32(opstr9(ctxt, p.As)), v, r, int(p.From.Reg))
} else { } else {
v = int32(offsetshift(ctxt, int64(v), int(o.a3))) v = int32(offsetshift(ctxt, int64(v), int(o.a3)))
o1 = olsr12u(ctxt, int32(opstr12(ctxt, int(p.As))), v, r, int(p.From.Reg)) o1 = olsr12u(ctxt, int32(opstr12(ctxt, p.As)), v, r, int(p.From.Reg))
} }
case 21: /* movT O(R),R -> ldrT */ case 21: /* movT O(R),R -> ldrT */
@ -2142,12 +2136,12 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
r = int(o.param) r = int(o.param)
} }
if v < 0 { /* unscaled 9-bit signed */ if v < 0 { /* unscaled 9-bit signed */
o1 = olsr9s(ctxt, int32(opldr9(ctxt, int(p.As))), v, r, int(p.To.Reg)) o1 = olsr9s(ctxt, int32(opldr9(ctxt, p.As)), v, r, int(p.To.Reg))
} else { } else {
v = int32(offsetshift(ctxt, int64(v), int(o.a1))) v = int32(offsetshift(ctxt, int64(v), int(o.a1)))
//print("offset=%lld v=%ld a1=%d\n", instoffset, v, o->a1); //print("offset=%lld v=%ld a1=%d\n", instoffset, v, o->a1);
o1 = olsr12u(ctxt, int32(opldr12(ctxt, int(p.As))), v, r, int(p.To.Reg)) o1 = olsr12u(ctxt, int32(opldr12(ctxt, p.As)), v, r, int(p.To.Reg))
} }
case 22: /* movT (R)O!,R; movT O(R)!, R -> ldrT */ case 22: /* movT (R)O!,R; movT O(R)!, R -> ldrT */
@ -2156,7 +2150,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
if v < -256 || v > 255 { if v < -256 || v > 255 {
ctxt.Diag("offset out of range\n%v", p) ctxt.Diag("offset out of range\n%v", p)
} }
o1 = opldrpp(ctxt, int(p.As)) o1 = opldrpp(ctxt, p.As)
if o.scond == C_XPOST { if o.scond == C_XPOST {
o1 |= 1 << 10 o1 |= 1 << 10
} else { } else {
@ -2170,7 +2164,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
if v < -256 || v > 255 { if v < -256 || v > 255 {
ctxt.Diag("offset out of range\n%v", p) ctxt.Diag("offset out of range\n%v", p)
} }
o1 = LD2STR(opldrpp(ctxt, int(p.As))) o1 = LD2STR(opldrpp(ctxt, p.As))
if o.scond == C_XPOST { if o.scond == C_XPOST {
o1 |= 1 << 10 o1 |= 1 << 10
} else { } else {
@ -2186,32 +2180,32 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
if s { if s {
ctxt.Diag("illegal SP reference\n%v", p) ctxt.Diag("illegal SP reference\n%v", p)
} }
o1 = oprrr(ctxt, int(p.As)) o1 = oprrr(ctxt, p.As)
o1 |= (uint32(rf&31) << 16) | (REGZERO & 31 << 5) | uint32(rt&31) o1 |= (uint32(rf&31) << 16) | (REGZERO & 31 << 5) | uint32(rt&31)
} else if s { } else if s {
o1 = opirr(ctxt, int(p.As)) o1 = opirr(ctxt, p.As)
o1 |= (uint32(rf&31) << 5) | uint32(rt&31) o1 |= (uint32(rf&31) << 5) | uint32(rt&31)
} else { } else {
o1 = oprrr(ctxt, int(p.As)) o1 = oprrr(ctxt, p.As)
o1 |= (uint32(rf&31) << 16) | (REGZERO & 31 << 5) | uint32(rt&31) o1 |= (uint32(rf&31) << 16) | (REGZERO & 31 << 5) | uint32(rt&31)
} }
case 25: /* negX Rs, Rd -> subX Rs<<0, ZR, Rd */ case 25: /* negX Rs, Rd -> subX Rs<<0, ZR, Rd */
o1 = oprrr(ctxt, int(p.As)) o1 = oprrr(ctxt, p.As)
rf := int(p.From.Reg) rf := int(p.From.Reg)
rt := int(p.To.Reg) rt := int(p.To.Reg)
o1 |= (uint32(rf&31) << 16) | (REGZERO & 31 << 5) | uint32(rt&31) o1 |= (uint32(rf&31) << 16) | (REGZERO & 31 << 5) | uint32(rt&31)
case 26: /* negX Rm<<s, Rd -> subX Rm<<s, ZR, Rd */ case 26: /* negX Rm<<s, Rd -> subX Rm<<s, ZR, Rd */
o1 = oprrr(ctxt, int(p.As)) o1 = oprrr(ctxt, p.As)
o1 |= uint32(p.From.Offset) /* includes reg, op, etc */ o1 |= uint32(p.From.Offset) /* includes reg, op, etc */
rt := int(p.To.Reg) rt := int(p.To.Reg)
o1 |= (REGZERO & 31 << 5) | uint32(rt&31) o1 |= (REGZERO & 31 << 5) | uint32(rt&31)
case 27: /* op Rm<<n[,Rn],Rd (extended register) */ case 27: /* op Rm<<n[,Rn],Rd (extended register) */
o1 = opxrrr(ctxt, int(p.As)) o1 = opxrrr(ctxt, p.As)
if (p.From.Reg-obj.RBaseARM64)&REG_EXT != 0 { if (p.From.Reg-obj.RBaseARM64)&REG_EXT != 0 {
ctxt.Diag("extended register not implemented\n%v", p) ctxt.Diag("extended register not implemented\n%v", p)
@ -2239,21 +2233,21 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
if r == 0 { if r == 0 {
r = int(p.To.Reg) r = int(p.To.Reg)
} }
o2 = oprrr(ctxt, int(p.As)) o2 = oprrr(ctxt, p.As)
o2 |= REGTMP & 31 << 16 /* shift is 0 */ o2 |= REGTMP & 31 << 16 /* shift is 0 */
o2 |= uint32(r&31) << 5 o2 |= uint32(r&31) << 5
o2 |= uint32(p.To.Reg & 31) o2 |= uint32(p.To.Reg & 31)
case 29: /* op Rn, Rd */ case 29: /* op Rn, Rd */
o1 = oprrr(ctxt, int(p.As)) o1 = oprrr(ctxt, p.As)
o1 |= uint32(p.From.Reg&31)<<5 | uint32(p.To.Reg&31) o1 |= uint32(p.From.Reg&31)<<5 | uint32(p.To.Reg&31)
case 30: /* movT R,L(R) -> strT */ case 30: /* movT R,L(R) -> strT */
s := movesize(int(o.as)) s := movesize(o.as)
if s < 0 { if s < 0 {
ctxt.Diag("unexpected long move, op %v tab %v\n%v", obj.Aconv(int(p.As)), obj.Aconv(int(o.as)), p) ctxt.Diag("unexpected long move, op %v tab %v\n%v", obj.Aconv(p.As), obj.Aconv(o.as), p)
} }
v := int32(regoff(ctxt, &p.To)) v := int32(regoff(ctxt, &p.To))
if v < 0 { if v < 0 {
@ -2274,13 +2268,13 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
r = int(o.param) r = int(o.param)
} }
o1 = oaddi(ctxt, int32(opirr(ctxt, AADD)), hi, r, REGTMP) o1 = oaddi(ctxt, int32(opirr(ctxt, AADD)), hi, r, REGTMP)
o2 = olsr12u(ctxt, int32(opstr12(ctxt, int(p.As))), ((v-hi)>>uint(s))&0xFFF, REGTMP, int(p.From.Reg)) o2 = olsr12u(ctxt, int32(opstr12(ctxt, p.As)), ((v-hi)>>uint(s))&0xFFF, REGTMP, int(p.From.Reg))
case 31: /* movT L(R), R -> ldrT */ case 31: /* movT L(R), R -> ldrT */
s := movesize(int(o.as)) s := movesize(o.as)
if s < 0 { if s < 0 {
ctxt.Diag("unexpected long move, op %v tab %v\n%v", obj.Aconv(int(p.As)), obj.Aconv(int(o.as)), p) ctxt.Diag("unexpected long move, op %v tab %v\n%v", obj.Aconv(p.As), obj.Aconv(o.as), p)
} }
v := int32(regoff(ctxt, &p.From)) v := int32(regoff(ctxt, &p.From))
if v < 0 { if v < 0 {
@ -2301,7 +2295,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
r = int(o.param) r = int(o.param)
} }
o1 = oaddi(ctxt, int32(opirr(ctxt, AADD)), hi, r, REGTMP) o1 = oaddi(ctxt, int32(opirr(ctxt, AADD)), hi, r, REGTMP)
o2 = olsr12u(ctxt, int32(opldr12(ctxt, int(p.As))), ((v-hi)>>uint(s))&0xFFF, REGTMP, int(p.To.Reg)) o2 = olsr12u(ctxt, int32(opldr12(ctxt, p.As)), ((v-hi)>>uint(s))&0xFFF, REGTMP, int(p.To.Reg))
case 32: /* mov $con, R -> movz/movn */ case 32: /* mov $con, R -> movz/movn */
r := 32 r := 32
@ -2334,7 +2328,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 |= uint32((((d >> uint(s*16)) & 0xFFFF) << 5) | int64((uint32(s)&3)<<21) | int64(rt&31)) o1 |= uint32((((d >> uint(s*16)) & 0xFFFF) << 5) | int64((uint32(s)&3)<<21) | int64(rt&31))
case 33: /* movk $uimm16 << pos */ case 33: /* movk $uimm16 << pos */
o1 = opirr(ctxt, int(p.As)) o1 = opirr(ctxt, p.As)
d := p.From.Offset d := p.From.Offset
if (d >> 16) != 0 { if (d >> 16) != 0 {
@ -2410,7 +2404,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 |= uint32(v) o1 |= uint32(v)
case 38: /* clrex [$imm] */ case 38: /* clrex [$imm] */
o1 = opimm(ctxt, int(p.As)) o1 = opimm(ctxt, p.As)
if p.To.Type == obj.TYPE_NONE { if p.To.Type == obj.TYPE_NONE {
o1 |= 0xF << 8 o1 |= 0xF << 8
@ -2419,13 +2413,13 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
} }
case 39: /* cbz R, rel */ case 39: /* cbz R, rel */
o1 = opirr(ctxt, int(p.As)) o1 = opirr(ctxt, p.As)
o1 |= uint32(p.From.Reg & 31) o1 |= uint32(p.From.Reg & 31)
o1 |= uint32(brdist(ctxt, p, 0, 19, 2) << 5) o1 |= uint32(brdist(ctxt, p, 0, 19, 2) << 5)
case 40: /* tbz */ case 40: /* tbz */
o1 = opirr(ctxt, int(p.As)) o1 = opirr(ctxt, p.As)
v := int32(p.From.Offset) v := int32(p.From.Offset)
if v < 0 || v > 63 { if v < 0 || v > 63 {
@ -2436,10 +2430,10 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 |= uint32(p.Reg) o1 |= uint32(p.Reg)
case 41: /* eret, nop, others with no operands */ case 41: /* eret, nop, others with no operands */
o1 = op0(ctxt, int(p.As)) o1 = op0(ctxt, p.As)
case 42: /* bfm R,r,s,R */ case 42: /* bfm R,r,s,R */
o1 = opbfm(ctxt, int(p.As), int(p.From.Offset), int(p.From3.Offset), int(p.Reg), int(p.To.Reg)) o1 = opbfm(ctxt, p.As, int(p.From.Offset), int(p.From3.Offset), int(p.Reg), int(p.To.Reg))
case 43: /* bfm aliases */ case 43: /* bfm aliases */
r := int(p.From.Offset) r := int(p.From.Offset)
@ -2493,13 +2487,13 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
} }
case 44: /* extr $b, Rn, Rm, Rd */ case 44: /* extr $b, Rn, Rm, Rd */
o1 = opextr(ctxt, int(p.As), int32(p.From.Offset), int(p.From3.Reg), int(p.Reg), int(p.To.Reg)) o1 = opextr(ctxt, p.As, int32(p.From.Offset), int(p.From3.Reg), int(p.Reg), int(p.To.Reg))
case 45: /* sxt/uxt[bhw] R,R; movT R,R -> sxtT R,R */ case 45: /* sxt/uxt[bhw] R,R; movT R,R -> sxtT R,R */
rf := int(p.From.Reg) rf := int(p.From.Reg)
rt := int(p.To.Reg) rt := int(p.To.Reg)
as := int(p.As) as := p.As
if rf == REGZERO { if rf == REGZERO {
as = AMOVWU /* clearer in disassembly */ as = AMOVWU /* clearer in disassembly */
} }
@ -2543,7 +2537,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
} }
case 46: /* cls */ case 46: /* cls */
o1 = opbit(ctxt, int(p.As)) o1 = opbit(ctxt, p.As)
o1 |= uint32(p.From.Reg&31) << 5 o1 |= uint32(p.From.Reg&31) << 5
o1 |= uint32(p.To.Reg & 31) o1 |= uint32(p.To.Reg & 31)
@ -2558,7 +2552,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
if r == 0 { if r == 0 {
r = int(o.param) r = int(o.param)
} }
o2 = olsxrr(ctxt, int(p.As), REGTMP, r, int(p.From.Reg)) o2 = olsxrr(ctxt, p.As, REGTMP, r, int(p.From.Reg))
case 48: /* movT V(R), R -> ldrT (huge offset) */ case 48: /* movT V(R), R -> ldrT (huge offset) */
o1 = omovlit(ctxt, AMOVW, p, &p.From, REGTMP) o1 = omovlit(ctxt, AMOVW, p, &p.From, REGTMP)
@ -2570,10 +2564,10 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
if r == 0 { if r == 0 {
r = int(o.param) r = int(o.param)
} }
o2 = olsxrr(ctxt, int(p.As), REGTMP, r, int(p.To.Reg)) o2 = olsxrr(ctxt, p.As, REGTMP, r, int(p.To.Reg))
case 50: /* sys/sysl */ case 50: /* sys/sysl */
o1 = opirr(ctxt, int(p.As)) o1 = opirr(ctxt, p.As)
if (p.From.Offset &^ int64(SYSARG4(0x7, 0xF, 0xF, 0x7))) != 0 { if (p.From.Offset &^ int64(SYSARG4(0x7, 0xF, 0xF, 0x7))) != 0 {
ctxt.Diag("illegal SYS argument\n%v", p) ctxt.Diag("illegal SYS argument\n%v", p)
@ -2588,14 +2582,14 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
} }
case 51: /* dmb */ case 51: /* dmb */
o1 = opirr(ctxt, int(p.As)) o1 = opirr(ctxt, p.As)
if p.From.Type == obj.TYPE_CONST { if p.From.Type == obj.TYPE_CONST {
o1 |= uint32((p.From.Offset & 0xF) << 8) o1 |= uint32((p.From.Offset & 0xF) << 8)
} }
case 52: /* hint */ case 52: /* hint */
o1 = opirr(ctxt, int(p.As)) o1 = opirr(ctxt, p.As)
o1 |= uint32((p.From.Offset & 0x7F) << 5) o1 |= uint32((p.From.Offset & 0x7F) << 5)
@ -2603,7 +2597,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
ctxt.Diag("bitmask immediate not implemented\n%v", p) ctxt.Diag("bitmask immediate not implemented\n%v", p)
case 54: /* floating point arith */ case 54: /* floating point arith */
o1 = oprrr(ctxt, int(p.As)) o1 = oprrr(ctxt, p.As)
var rf int var rf int
if p.From.Type == obj.TYPE_CONST { if p.From.Type == obj.TYPE_CONST {
@ -2628,7 +2622,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 |= (uint32(rf&31) << 16) | (uint32(r&31) << 5) | uint32(rt&31) o1 |= (uint32(rf&31) << 16) | (uint32(r&31) << 5) | uint32(rt&31)
case 56: /* floating point compare */ case 56: /* floating point compare */
o1 = oprrr(ctxt, int(p.As)) o1 = oprrr(ctxt, p.As)
var rf int var rf int
if p.From.Type == obj.TYPE_CONST { if p.From.Type == obj.TYPE_CONST {
@ -2641,7 +2635,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 |= uint32(rf&31)<<16 | uint32(rt&31)<<5 o1 |= uint32(rf&31)<<16 | uint32(rt&31)<<5
case 57: /* floating point conditional compare */ case 57: /* floating point conditional compare */
o1 = oprrr(ctxt, int(p.As)) o1 = oprrr(ctxt, p.As)
cond := int(p.From.Reg) cond := int(p.From.Reg)
nzcv := int(p.To.Offset) nzcv := int(p.To.Offset)
@ -2657,7 +2651,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 |= uint32(rf&31)<<16 | uint32(cond)<<12 | uint32(rt&31)<<5 | uint32(nzcv) o1 |= uint32(rf&31)<<16 | uint32(cond)<<12 | uint32(rt&31)<<5 | uint32(nzcv)
case 58: /* ldar/ldxr/ldaxr */ case 58: /* ldar/ldxr/ldaxr */
o1 = opload(ctxt, int(p.As)) o1 = opload(ctxt, p.As)
o1 |= 0x1F << 16 o1 |= 0x1F << 16
o1 |= uint32(p.From.Reg) << 5 o1 |= uint32(p.From.Reg) << 5
@ -2669,7 +2663,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 |= uint32(p.To.Reg & 31) o1 |= uint32(p.To.Reg & 31)
case 59: /* stxr/stlxr */ case 59: /* stxr/stlxr */
o1 = opstore(ctxt, int(p.As)) o1 = opstore(ctxt, p.As)
if p.RegTo2 != obj.REG_NONE { if p.RegTo2 != obj.REG_NONE {
o1 |= uint32(p.RegTo2&31) << 16 o1 |= uint32(p.RegTo2&31) << 16
@ -2702,7 +2696,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
rel.Sym = p.To.Sym rel.Sym = p.To.Sym
rel.Add = p.To.Offset rel.Add = p.To.Offset
rel.Type = obj.R_ADDRARM64 rel.Type = obj.R_ADDRARM64
o3 = olsr12u(ctxt, int32(opstr12(ctxt, int(p.As))), 0, REGTMP, int(p.From.Reg)) o3 = olsr12u(ctxt, int32(opstr12(ctxt, p.As)), 0, REGTMP, int(p.From.Reg))
case 65: /* movT addr,R -> adrp + add + movT (REGTMP), R */ case 65: /* movT addr,R -> adrp + add + movT (REGTMP), R */
o1 = ADR(1, 0, REGTMP) o1 = ADR(1, 0, REGTMP)
@ -2713,7 +2707,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
rel.Sym = p.From.Sym rel.Sym = p.From.Sym
rel.Add = p.From.Offset rel.Add = p.From.Offset
rel.Type = obj.R_ADDRARM64 rel.Type = obj.R_ADDRARM64
o3 = olsr12u(ctxt, int32(opldr12(ctxt, int(p.As))), 0, REGTMP, int(p.To.Reg)) o3 = olsr12u(ctxt, int32(opldr12(ctxt, p.As)), 0, REGTMP, int(p.To.Reg))
case 66: /* ldp O(R)!, (r1, r2); ldp (R)O!, (r1, r2) */ case 66: /* ldp O(R)!, (r1, r2); ldp (R)O!, (r1, r2) */
v := int32(p.From.Offset) v := int32(p.From.Offset)
@ -2814,7 +2808,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
* also op Rn -> Rt * also op Rn -> Rt
* also Rm*Rn op Ra -> Rd * also Rm*Rn op Ra -> Rd
*/ */
func oprrr(ctxt *obj.Link, a int) uint32 { func oprrr(ctxt *obj.Link, a obj.As) uint32 {
switch a { switch a {
case AADC: case AADC:
return S64 | 0<<30 | 0<<29 | 0xd0<<21 | 0<<10 return S64 | 0<<30 | 0<<29 | 0xd0<<21 | 0<<10
@ -3337,7 +3331,7 @@ func oprrr(ctxt *obj.Link, a int) uint32 {
* imm -> Rd * imm -> Rd
* imm op Rn -> Rd * imm op Rn -> Rd
*/ */
func opirr(ctxt *obj.Link, a int) uint32 { func opirr(ctxt *obj.Link, a obj.As) uint32 {
switch a { switch a {
/* op $addcon, Rn, Rd */ /* op $addcon, Rn, Rd */
case AMOVD, AADD: case AMOVD, AADD:
@ -3520,7 +3514,7 @@ func opirr(ctxt *obj.Link, a int) uint32 {
return 0 return 0
} }
func opbit(ctxt *obj.Link, a int) uint32 { func opbit(ctxt *obj.Link, a obj.As) uint32 {
switch a { switch a {
case ACLS: case ACLS:
return S64 | OPBIT(5) return S64 | OPBIT(5)
@ -3564,7 +3558,7 @@ func opbit(ctxt *obj.Link, a int) uint32 {
/* /*
* add/subtract extended register * add/subtract extended register
*/ */
func opxrrr(ctxt *obj.Link, a int) uint32 { func opxrrr(ctxt *obj.Link, a obj.As) uint32 {
switch a { switch a {
case AADD: case AADD:
return S64 | 0<<30 | 0<<29 | 0x0b<<24 | 0<<22 | 1<<21 | LSL0_64 return S64 | 0<<30 | 0<<29 | 0x0b<<24 | 0<<22 | 1<<21 | LSL0_64
@ -3595,7 +3589,7 @@ func opxrrr(ctxt *obj.Link, a int) uint32 {
return 0 return 0
} }
func opimm(ctxt *obj.Link, a int) uint32 { func opimm(ctxt *obj.Link, a obj.As) uint32 {
switch a { switch a {
case ASVC: case ASVC:
return 0xD4<<24 | 0<<21 | 1 /* imm16<<5 */ return 0xD4<<24 | 0<<21 | 1 /* imm16<<5 */
@ -3652,7 +3646,7 @@ func brdist(ctxt *obj.Link, p *obj.Prog, preshift int, flen int, shift int) int6
/* /*
* pc-relative branches * pc-relative branches
*/ */
func opbra(ctxt *obj.Link, a int) uint32 { func opbra(ctxt *obj.Link, a obj.As) uint32 {
switch a { switch a {
case ABEQ: case ABEQ:
return OPBcc(0x0) return OPBcc(0x0)
@ -3715,7 +3709,7 @@ func opbra(ctxt *obj.Link, a int) uint32 {
return 0 return 0
} }
func opbrr(ctxt *obj.Link, a int) uint32 { func opbrr(ctxt *obj.Link, a obj.As) uint32 {
switch a { switch a {
case ABL: case ABL:
return OPBLR(1) /* BLR */ return OPBLR(1) /* BLR */
@ -3732,7 +3726,7 @@ func opbrr(ctxt *obj.Link, a int) uint32 {
return 0 return 0
} }
func op0(ctxt *obj.Link, a int) uint32 { func op0(ctxt *obj.Link, a obj.As) uint32 {
switch a { switch a {
case ADRPS: case ADRPS:
return 0x6B<<25 | 5<<21 | 0x1F<<16 | 0x1F<<5 return 0x6B<<25 | 5<<21 | 0x1F<<16 | 0x1F<<5
@ -3767,7 +3761,7 @@ func op0(ctxt *obj.Link, a int) uint32 {
/* /*
* register offset * register offset
*/ */
func opload(ctxt *obj.Link, a int) uint32 { func opload(ctxt *obj.Link, a obj.As) uint32 {
switch a { switch a {
case ALDAR: case ALDAR:
return LDSTX(3, 1, 1, 0, 1) | 0x1F<<10 return LDSTX(3, 1, 1, 0, 1) | 0x1F<<10
@ -3828,7 +3822,7 @@ func opload(ctxt *obj.Link, a int) uint32 {
return 0 return 0
} }
func opstore(ctxt *obj.Link, a int) uint32 { func opstore(ctxt *obj.Link, a obj.As) uint32 {
switch a { switch a {
case ASTLR: case ASTLR:
return LDSTX(3, 1, 0, 0, 1) | 0x1F<<10 return LDSTX(3, 1, 0, 0, 1) | 0x1F<<10
@ -3909,7 +3903,7 @@ func olsr12u(ctxt *obj.Link, o int32, v int32, b int, r int) uint32 {
return uint32(o) return uint32(o)
} }
func opldr12(ctxt *obj.Link, a int) uint32 { func opldr12(ctxt *obj.Link, a obj.As) uint32 {
switch a { switch a {
case AMOVD: case AMOVD:
return LDSTR12U(3, 0, 1) /* imm12<<10 | Rn<<5 | Rt */ return LDSTR12U(3, 0, 1) /* imm12<<10 | Rn<<5 | Rt */
@ -3943,7 +3937,7 @@ func opldr12(ctxt *obj.Link, a int) uint32 {
return 0 return 0
} }
func opstr12(ctxt *obj.Link, a int) uint32 { func opstr12(ctxt *obj.Link, a obj.As) uint32 {
return LD2STR(opldr12(ctxt, a)) return LD2STR(opldr12(ctxt, a))
} }
@ -3960,7 +3954,7 @@ func olsr9s(ctxt *obj.Link, o int32, v int32, b int, r int) uint32 {
return uint32(o) return uint32(o)
} }
func opldr9(ctxt *obj.Link, a int) uint32 { func opldr9(ctxt *obj.Link, a obj.As) uint32 {
switch a { switch a {
case AMOVD: case AMOVD:
return LDSTR9S(3, 0, 1) /* simm9<<12 | Rn<<5 | Rt */ return LDSTR9S(3, 0, 1) /* simm9<<12 | Rn<<5 | Rt */
@ -3994,11 +3988,11 @@ func opldr9(ctxt *obj.Link, a int) uint32 {
return 0 return 0
} }
func opstr9(ctxt *obj.Link, a int) uint32 { func opstr9(ctxt *obj.Link, a obj.As) uint32 {
return LD2STR(opldr9(ctxt, a)) return LD2STR(opldr9(ctxt, a))
} }
func opldrpp(ctxt *obj.Link, a int) uint32 { func opldrpp(ctxt *obj.Link, a obj.As) uint32 {
switch a { switch a {
case AMOVD: case AMOVD:
return 3<<30 | 7<<27 | 0<<26 | 0<<24 | 1<<22 /* simm9<<12 | Rn<<5 | Rt */ return 3<<30 | 7<<27 | 0<<26 | 0<<24 | 1<<22 /* simm9<<12 | Rn<<5 | Rt */
@ -4029,7 +4023,7 @@ func opldrpp(ctxt *obj.Link, a int) uint32 {
/* /*
* load/store register (extended register) * load/store register (extended register)
*/ */
func olsxrr(ctxt *obj.Link, as int, rt int, r1 int, r2 int) uint32 { func olsxrr(ctxt *obj.Link, as obj.As, rt int, r1 int, r2 int) uint32 {
ctxt.Diag("need load/store extended register\n%v", ctxt.Curp) ctxt.Diag("need load/store extended register\n%v", ctxt.Curp)
return 0xffffffff return 0xffffffff
} }
@ -4050,7 +4044,7 @@ func oaddi(ctxt *obj.Link, o1 int32, v int32, r int, rt int) uint32 {
/* /*
* load a a literal value into dr * load a a literal value into dr
*/ */
func omovlit(ctxt *obj.Link, as int, p *obj.Prog, a *obj.Addr, dr int) uint32 { func omovlit(ctxt *obj.Link, as obj.As, p *obj.Prog, a *obj.Addr, dr int) uint32 {
var o1 int32 var o1 int32
if p.Pcond == nil { /* not in literal pool */ if p.Pcond == nil { /* not in literal pool */
aclass(ctxt, a) aclass(ctxt, a)
@ -4098,7 +4092,7 @@ func omovlit(ctxt *obj.Link, as int, p *obj.Prog, a *obj.Addr, dr int) uint32 {
return uint32(o1) return uint32(o1)
} }
func opbfm(ctxt *obj.Link, a int, r int, s int, rf int, rt int) uint32 { func opbfm(ctxt *obj.Link, a obj.As, r int, s int, rf int, rt int) uint32 {
var c uint32 var c uint32
o := opirr(ctxt, a) o := opirr(ctxt, a)
if (o & (1 << 31)) == 0 { if (o & (1 << 31)) == 0 {
@ -4118,7 +4112,7 @@ func opbfm(ctxt *obj.Link, a int, r int, s int, rf int, rt int) uint32 {
return o return o
} }
func opextr(ctxt *obj.Link, a int, v int32, rn int, rm int, rt int) uint32 { func opextr(ctxt *obj.Link, a obj.As, v int32, rn int, rm int, rt int) uint32 {
var c uint32 var c uint32
o := opirr(ctxt, a) o := opirr(ctxt, a)
if (o & (1 << 31)) != 0 { if (o & (1 << 31)) != 0 {
@ -4139,7 +4133,7 @@ func opextr(ctxt *obj.Link, a int, v int32, rn int, rm int, rt int) uint32 {
/* /*
* size in log2(bytes) * size in log2(bytes)
*/ */
func movesize(a int) int { func movesize(a obj.As) int {
switch a { switch a {
case AMOVD: case AMOVD:
return 3 return 3

18
src/cmd/internal/obj/arm64/obj7.go
View file

@ -38,7 +38,7 @@ import (
"math" "math"
) )
var complements = []int16{ var complements = []obj.As{
AADD: ASUB, AADD: ASUB,
AADDW: ASUBW, AADDW: ASUBW,
ASUB: AADD, ASUB: AADD,
@ -421,7 +421,7 @@ func follow(ctxt *obj.Link, s *obj.LSym) {
s.Text = firstp.Link s.Text = firstp.Link
} }
func relinv(a int) int { func relinv(a obj.As) obj.As {
switch a { switch a {
case ABEQ: case ABEQ:
return ABNE return ABNE
@ -464,14 +464,13 @@ func relinv(a int) int {
func xfol(ctxt *obj.Link, p *obj.Prog, last **obj.Prog) { func xfol(ctxt *obj.Link, p *obj.Prog, last **obj.Prog) {
var q *obj.Prog var q *obj.Prog
var r *obj.Prog var r *obj.Prog
var a int
var i int var i int
loop: loop:
if p == nil { if p == nil {
return return
} }
a = int(p.As) a := p.As
if a == AB { if a == AB {
q = p.Pcond q = p.Pcond
if q != nil { if q != nil {
@ -490,7 +489,7 @@ loop:
if q == *last || q == nil { if q == *last || q == nil {
break break
} }
a = int(q.As) a = q.As
if a == obj.ANOP { if a == obj.ANOP {
i-- i--
continue continue
@ -545,7 +544,7 @@ loop:
a = AB a = AB
q = ctxt.NewProg() q = ctxt.NewProg()
q.As = int16(a) q.As = a
q.Lineno = p.Lineno q.Lineno = p.Lineno
q.To.Type = obj.TYPE_BRANCH q.To.Type = obj.TYPE_BRANCH
q.To.Offset = p.Pc q.To.Offset = p.Pc
@ -564,7 +563,7 @@ loop:
q = obj.Brchain(ctxt, p.Link) q = obj.Brchain(ctxt, p.Link)
if a != obj.ATEXT { if a != obj.ATEXT {
if q != nil && (q.Mark&FOLL != 0) { if q != nil && (q.Mark&FOLL != 0) {
p.As = int16(relinv(a)) p.As = relinv(a)
p.Link = p.Pcond p.Link = p.Pcond
p.Pcond = q p.Pcond = q
} }
@ -671,11 +670,10 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym) {
q = p q = p
} }
var o int
var q2 *obj.Prog var q2 *obj.Prog
var retjmp *obj.LSym var retjmp *obj.LSym
for p := cursym.Text; p != nil; p = p.Link { for p := cursym.Text; p != nil; p = p.Link {
o = int(p.As) o := p.As
switch o { switch o {
case obj.ATEXT: case obj.ATEXT:
cursym.Text = p cursym.Text = p
@ -934,7 +932,7 @@ func nocache(p *obj.Prog) {
p.To.Class = 0 p.To.Class = 0
} }
var unaryDst = map[int]bool{ var unaryDst = map[obj.As]bool{
AWORD: true, AWORD: true,
ADWORD: true, ADWORD: true,
ABL: true, ABL: true,

40
src/cmd/internal/obj/link.go
View file

@ -212,7 +212,7 @@ type Prog struct {
Pc int64 Pc int64
Lineno int32 Lineno int32
Spadj int32 Spadj int32
As int16 As As // Assembler opcode.
Reg int16 Reg int16
RegTo2 int16 // 2nd register output operand RegTo2 int16 // 2nd register output operand
Mark uint16 // bitmask of arch-specific items Mark uint16 // bitmask of arch-specific items
@ -254,16 +254,16 @@ type ProgInfo struct {
Regindex uint64 // registers used by addressing mode Regindex uint64 // registers used by addressing mode
} }
// Prog.as opcodes. // An As denotes an assembler opcode.
// These are the portable opcodes, common to all architectures. // There are some portable opcodes, declared here in package obj,
// Each architecture defines many more arch-specific opcodes, // that are common to all architectures.
// with values starting at A_ARCHSPECIFIC. // However, the majority of opcodes are arch-specific
// Each architecture adds an offset to this so each machine has // and are declared in their respective architecture's subpackage.
// distinct space for its instructions. The offset is a power of type As int16
// two so it can be masked to return to origin zero.
// See the definitions of ABase386 etc. // These are the portable opcodes.
const ( const (
AXXX = 0 + iota AXXX As = iota
ACALL ACALL
ACHECKNIL ACHECKNIL
ADATA ADATA
@ -286,6 +286,24 @@ const (
A_ARCHSPECIFIC A_ARCHSPECIFIC
) )
// Each architecture is allotted a distinct subspace of opcode values
// for declaring its arch-specific opcodes.
// Within this subspace, the first arch-specific opcode should be
// at offset A_ARCHSPECIFIC.
//
// Subspaces are aligned to a power of two so opcodes can be masked
// with AMask and used as compact array indices.
const (
ABase386 = (1 + iota) << 12
ABaseARM
ABaseAMD64
ABasePPC64
ABaseARM64
ABaseMIPS64
AMask = 1<<12 - 1 // AND with this to use the opcode as an array index.
)
// An LSym is the sort of symbol that is written to an object file. // An LSym is the sort of symbol that is written to an object file.
type LSym struct { type LSym struct {
Name string Name string
@ -665,7 +683,7 @@ type LinkArch struct {
Assemble func(*Link, *LSym) Assemble func(*Link, *LSym)
Follow func(*Link, *LSym) Follow func(*Link, *LSym)
Progedit func(*Link, *Prog) Progedit func(*Link, *Prog)
UnaryDst map[int]bool // Instruction takes one operand, a destination. UnaryDst map[As]bool // Instruction takes one operand, a destination.
Minlc int Minlc int
Ptrsize int Ptrsize int
Regsize int Regsize int

56
src/cmd/internal/obj/mips/asm0.go
View file

@ -47,7 +47,7 @@ const (
) )
type Optab struct { type Optab struct {
as int16 as obj.As
a1 uint8 a1 uint8
a2 uint8 a2 uint8
a3 uint8 a3 uint8
@ -658,7 +658,7 @@ func oplook(ctxt *obj.Link, p *obj.Prog) *Optab {
} }
} }
ctxt.Diag("illegal combination %v %v %v %v", obj.Aconv(int(p.As)), DRconv(a1), DRconv(a2), DRconv(a3)) ctxt.Diag("illegal combination %v %v %v %v", obj.Aconv(p.As), DRconv(a1), DRconv(a2), DRconv(a3))
prasm(p) prasm(p)
if o == nil { if o == nil {
o = optab o = optab
@ -778,7 +778,7 @@ func (x ocmp) Less(i, j int) bool {
} }
return false return false
} }
func opset(a, b0 int16) { func opset(a, b0 obj.As) {
oprange[a&obj.AMask] = oprange[b0] oprange[a&obj.AMask] = oprange[b0]
} }
@ -807,7 +807,7 @@ func buildop(ctxt *obj.Link) {
switch r { switch r {
default: default:
ctxt.Diag("unknown op in build: %v", obj.Aconv(int(r))) ctxt.Diag("unknown op in build: %v", obj.Aconv(r))
log.Fatalf("bad code") log.Fatalf("bad code")
case AABSF: case AABSF:
@ -1014,7 +1014,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
if r == 0 { if r == 0 {
r = int(p.To.Reg) r = int(p.To.Reg)
} }
o1 = OP_RRR(oprrr(ctxt, int(p.As)), uint32(p.From.Reg), uint32(r), uint32(p.To.Reg)) o1 = OP_RRR(oprrr(ctxt, p.As), uint32(p.From.Reg), uint32(r), uint32(p.To.Reg))
case 3: /* mov $soreg, r ==> or/add $i,o,r */ case 3: /* mov $soreg, r ==> or/add $i,o,r */
v := regoff(ctxt, &p.From) v := regoff(ctxt, &p.From)
@ -1038,10 +1038,10 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
r = int(p.To.Reg) r = int(p.To.Reg)
} }
o1 = OP_IRR(opirr(ctxt, int(p.As)), uint32(v), uint32(r), uint32(p.To.Reg)) o1 = OP_IRR(opirr(ctxt, p.As), uint32(v), uint32(r), uint32(p.To.Reg))
case 5: /* syscall */ case 5: /* syscall */
o1 = uint32(oprrr(ctxt, int(p.As))) o1 = uint32(oprrr(ctxt, p.As))
case 6: /* beq r1,[r2],sbra */ case 6: /* beq r1,[r2],sbra */
v := int32(0) v := int32(0)
@ -1053,7 +1053,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
if (v<<16)>>16 != v { if (v<<16)>>16 != v {
ctxt.Diag("short branch too far\n%v", p) ctxt.Diag("short branch too far\n%v", p)
} }
o1 = OP_IRR(opirr(ctxt, int(p.As)), uint32(v), uint32(p.From.Reg), uint32(p.Reg)) o1 = OP_IRR(opirr(ctxt, p.As), uint32(v), uint32(p.From.Reg), uint32(p.Reg))
// for ABFPT and ABFPF only: always fill delay slot with 0 // for ABFPT and ABFPF only: always fill delay slot with 0
// see comments in func preprocess for details. // see comments in func preprocess for details.
o2 = 0 o2 = 0
@ -1064,7 +1064,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
r = int(o.param) r = int(o.param)
} }
v := regoff(ctxt, &p.To) v := regoff(ctxt, &p.To)
o1 = OP_IRR(opirr(ctxt, int(p.As)), uint32(v), uint32(r), uint32(p.From.Reg)) o1 = OP_IRR(opirr(ctxt, p.As), uint32(v), uint32(r), uint32(p.From.Reg))
case 8: /* mov soreg, r ==> lw o(r) */ case 8: /* mov soreg, r ==> lw o(r) */
r := int(p.From.Reg) r := int(p.From.Reg)
@ -1072,7 +1072,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
r = int(o.param) r = int(o.param)
} }
v := regoff(ctxt, &p.From) v := regoff(ctxt, &p.From)
o1 = OP_IRR(opirr(ctxt, -int(p.As)), uint32(v), uint32(r), uint32(p.To.Reg)) o1 = OP_IRR(opirr(ctxt, -p.As), uint32(v), uint32(r), uint32(p.To.Reg))
case 9: /* sll r1,[r2],r3 */ case 9: /* sll r1,[r2],r3 */
r := int(p.Reg) r := int(p.Reg)
@ -1080,7 +1080,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
if r == 0 { if r == 0 {
r = int(p.To.Reg) r = int(p.To.Reg)
} }
o1 = OP_RRR(oprrr(ctxt, int(p.As)), uint32(r), uint32(p.From.Reg), uint32(p.To.Reg)) o1 = OP_RRR(oprrr(ctxt, p.As), uint32(r), uint32(p.From.Reg), uint32(p.To.Reg))
case 10: /* add $con,[r1],r2 ==> mov $con, t; add t,[r1],r2 */ case 10: /* add $con,[r1],r2 ==> mov $con, t; add t,[r1],r2 */
v := regoff(ctxt, &p.From) v := regoff(ctxt, &p.From)
@ -1093,7 +1093,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
if r == 0 { if r == 0 {
r = int(p.To.Reg) r = int(p.To.Reg)
} }
o2 = OP_RRR(oprrr(ctxt, int(p.As)), uint32(REGTMP), uint32(r), uint32(p.To.Reg)) o2 = OP_RRR(oprrr(ctxt, p.As), uint32(REGTMP), uint32(r), uint32(p.To.Reg))
case 11: /* jmp lbra */ case 11: /* jmp lbra */
v := int32(0) v := int32(0)
@ -1115,7 +1115,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
} else { } else {
v = int32(p.Pcond.Pc) >> 2 v = int32(p.Pcond.Pc) >> 2
} }
o1 = OP_JMP(opirr(ctxt, int(p.As)), uint32(v)) o1 = OP_JMP(opirr(ctxt, p.As), uint32(v))
if p.To.Sym == nil { if p.To.Sym == nil {
p.To.Sym = ctxt.Cursym.Text.From.Sym p.To.Sym = ctxt.Cursym.Text.From.Sym
p.To.Offset = p.Pcond.Pc p.To.Offset = p.Pcond.Pc
@ -1163,9 +1163,9 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
/* OP_SRR will use only the low 5 bits of the shift value */ /* OP_SRR will use only the low 5 bits of the shift value */
if v >= 32 && vshift(p.As) { if v >= 32 && vshift(p.As) {
o1 = OP_SRR(opirr(ctxt, -int(p.As)), uint32(v-32), uint32(r), uint32(p.To.Reg)) o1 = OP_SRR(opirr(ctxt, -p.As), uint32(v-32), uint32(r), uint32(p.To.Reg))
} else { } else {
o1 = OP_SRR(opirr(ctxt, int(p.As)), uint32(v), uint32(r), uint32(p.To.Reg)) o1 = OP_SRR(opirr(ctxt, p.As), uint32(v), uint32(r), uint32(p.To.Reg))
} }
case 18: /* jmp [r1],0(r2) */ case 18: /* jmp [r1],0(r2) */
@ -1173,7 +1173,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
if r == 0 { if r == 0 {
r = int(o.param) r = int(o.param)
} }
o1 = OP_RRR(oprrr(ctxt, int(p.As)), uint32(0), uint32(p.To.Reg), uint32(r)) o1 = OP_RRR(oprrr(ctxt, p.As), uint32(0), uint32(p.To.Reg), uint32(r))
rel := obj.Addrel(ctxt.Cursym) rel := obj.Addrel(ctxt.Cursym)
rel.Off = int32(ctxt.Pc) rel.Off = int32(ctxt.Pc)
rel.Siz = 0 rel.Siz = 0
@ -1207,7 +1207,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 = OP_RRR(a, uint32(REGZERO), uint32(p.From.Reg), uint32(REGZERO)) o1 = OP_RRR(a, uint32(REGZERO), uint32(p.From.Reg), uint32(REGZERO))
case 22: /* mul r1,r2 */ case 22: /* mul r1,r2 */
o1 = OP_RRR(oprrr(ctxt, int(p.As)), uint32(p.From.Reg), uint32(p.Reg), uint32(REGZERO)) o1 = OP_RRR(oprrr(ctxt, p.As), uint32(p.From.Reg), uint32(p.Reg), uint32(REGZERO))
case 23: /* add $lcon,r1,r2 ==> lu+or+add */ case 23: /* add $lcon,r1,r2 ==> lu+or+add */
v := regoff(ctxt, &p.From) v := regoff(ctxt, &p.From)
@ -1217,7 +1217,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
if r == 0 { if r == 0 {
r = int(p.To.Reg) r = int(p.To.Reg)
} }
o3 = OP_RRR(oprrr(ctxt, int(p.As)), uint32(REGTMP), uint32(r), uint32(p.To.Reg)) o3 = OP_RRR(oprrr(ctxt, p.As), uint32(REGTMP), uint32(r), uint32(p.To.Reg))
case 24: /* mov $ucon,r ==> lu r */ case 24: /* mov $ucon,r ==> lu r */
v := regoff(ctxt, &p.From) v := regoff(ctxt, &p.From)
@ -1230,7 +1230,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
if r == 0 { if r == 0 {
r = int(p.To.Reg) r = int(p.To.Reg)
} }
o2 = OP_RRR(oprrr(ctxt, int(p.As)), uint32(REGTMP), uint32(r), uint32(p.To.Reg)) o2 = OP_RRR(oprrr(ctxt, p.As), uint32(REGTMP), uint32(r), uint32(p.To.Reg))
case 26: /* mov $lsext/auto/oreg,r ==> lu+or+add */ case 26: /* mov $lsext/auto/oreg,r ==> lu+or+add */
v := regoff(ctxt, &p.From) v := regoff(ctxt, &p.From)
@ -1297,10 +1297,10 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
if r == 0 { if r == 0 {
r = int(p.To.Reg) r = int(p.To.Reg)
} }
o1 = OP_FRRR(oprrr(ctxt, int(p.As)), uint32(p.From.Reg), uint32(r), uint32(p.To.Reg)) o1 = OP_FRRR(oprrr(ctxt, p.As), uint32(p.From.Reg), uint32(r), uint32(p.To.Reg))
case 33: /* fabs fr1, fr3 */ case 33: /* fabs fr1, fr3 */
o1 = OP_FRRR(oprrr(ctxt, int(p.As)), uint32(0), uint32(p.From.Reg), uint32(p.To.Reg)) o1 = OP_FRRR(oprrr(ctxt, p.As), uint32(0), uint32(p.From.Reg), uint32(p.To.Reg))
case 34: /* mov $con,fr ==> or/add $i,t; mov t,fr */ case 34: /* mov $con,fr ==> or/add $i,t; mov t,fr */
v := regoff(ctxt, &p.From) v := regoff(ctxt, &p.From)
@ -1320,7 +1320,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 = OP_IRR(opirr(ctxt, ALUI), uint32(v>>16), uint32(REGZERO), uint32(REGTMP)) o1 = OP_IRR(opirr(ctxt, ALUI), uint32(v>>16), uint32(REGZERO), uint32(REGTMP))
o2 = OP_IRR(opirr(ctxt, AOR), uint32(v), uint32(REGTMP), uint32(REGTMP)) o2 = OP_IRR(opirr(ctxt, AOR), uint32(v), uint32(REGTMP), uint32(REGTMP))
o3 = OP_RRR(oprrr(ctxt, AADDVU), uint32(r), uint32(REGTMP), uint32(REGTMP)) o3 = OP_RRR(oprrr(ctxt, AADDVU), uint32(r), uint32(REGTMP), uint32(REGTMP))
o4 = OP_IRR(opirr(ctxt, int(p.As)), uint32(0), uint32(REGTMP), uint32(p.From.Reg)) o4 = OP_IRR(opirr(ctxt, p.As), uint32(0), uint32(REGTMP), uint32(p.From.Reg))
case 36: /* mov lext/auto/oreg,r ==> lw o(r30) */ case 36: /* mov lext/auto/oreg,r ==> lw o(r30) */
v := regoff(ctxt, &p.From) v := regoff(ctxt, &p.From)
@ -1331,7 +1331,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
o1 = OP_IRR(opirr(ctxt, ALUI), uint32(v>>16), uint32(REGZERO), uint32(REGTMP)) o1 = OP_IRR(opirr(ctxt, ALUI), uint32(v>>16), uint32(REGZERO), uint32(REGTMP))
o2 = OP_IRR(opirr(ctxt, AOR), uint32(v), uint32(REGTMP), uint32(REGTMP)) o2 = OP_IRR(opirr(ctxt, AOR), uint32(v), uint32(REGTMP), uint32(REGTMP))
o3 = OP_RRR(oprrr(ctxt, AADDVU), uint32(r), uint32(REGTMP), uint32(REGTMP)) o3 = OP_RRR(oprrr(ctxt, AADDVU), uint32(r), uint32(REGTMP), uint32(REGTMP))
o4 = OP_IRR(opirr(ctxt, -int(p.As)), uint32(0), uint32(REGTMP), uint32(p.To.Reg)) o4 = OP_IRR(opirr(ctxt, -p.As), uint32(0), uint32(REGTMP), uint32(p.To.Reg))
case 37: /* movw r,mr */ case 37: /* movw r,mr */
a := SP(2, 0) | (4 << 21) /* mtc0 */ a := SP(2, 0) | (4 << 21) /* mtc0 */
@ -1378,7 +1378,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
rel.Sym = p.To.Sym rel.Sym = p.To.Sym
rel.Add = p.To.Offset rel.Add = p.To.Offset
rel.Type = obj.R_ADDRMIPS rel.Type = obj.R_ADDRMIPS
o3 = OP_IRR(opirr(ctxt, int(p.As)), uint32(0), uint32(REGTMP), uint32(p.From.Reg)) o3 = OP_IRR(opirr(ctxt, p.As), uint32(0), uint32(REGTMP), uint32(p.From.Reg))
case 51: /* mov addr,r ==> lu + or + lw (REGTMP) */ case 51: /* mov addr,r ==> lu + or + lw (REGTMP) */
o1 = OP_IRR(opirr(ctxt, ALUI), uint32(0), uint32(REGZERO), uint32(REGTMP)) o1 = OP_IRR(opirr(ctxt, ALUI), uint32(0), uint32(REGZERO), uint32(REGTMP))
@ -1389,7 +1389,7 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
rel.Sym = p.From.Sym rel.Sym = p.From.Sym
rel.Add = p.From.Offset rel.Add = p.From.Offset
rel.Type = obj.R_ADDRMIPS rel.Type = obj.R_ADDRMIPS
o3 = OP_IRR(opirr(ctxt, -int(p.As)), uint32(0), uint32(REGTMP), uint32(p.To.Reg)) o3 = OP_IRR(opirr(ctxt, -p.As), uint32(0), uint32(REGTMP), uint32(p.To.Reg))
} }
out[0] = o1 out[0] = o1
@ -1409,7 +1409,7 @@ func regoff(ctxt *obj.Link, a *obj.Addr) int32 {
return int32(vregoff(ctxt, a)) return int32(vregoff(ctxt, a))
} }
func oprrr(ctxt *obj.Link, a int) uint32 { func oprrr(ctxt *obj.Link, a obj.As) uint32 {
switch a { switch a {
case AADD: case AADD:
return OP(4, 0) return OP(4, 0)
@ -1570,7 +1570,7 @@ func oprrr(ctxt *obj.Link, a int) uint32 {
return 0 return 0
} }
func opirr(ctxt *obj.Link, a int) uint32 { func opirr(ctxt *obj.Link, a obj.As) uint32 {
switch a { switch a {
case AADD: case AADD:
return SP(1, 0) return SP(1, 0)
@ -1722,7 +1722,7 @@ func opirr(ctxt *obj.Link, a int) uint32 {
return 0 return 0
} }
func vshift(a int16) bool { func vshift(a obj.As) bool {
switch a { switch a {
case ASLLV, case ASLLV,
ASRLV, ASRLV,

12
src/cmd/internal/obj/mips/obj0.go
View file

@ -261,11 +261,10 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym) {
} }
autosize := int32(0) autosize := int32(0)
var o int
var p1 *obj.Prog var p1 *obj.Prog
var p2 *obj.Prog var p2 *obj.Prog
for p := cursym.Text; p != nil; p = p.Link { for p := cursym.Text; p != nil; p = p.Link {
o = int(p.As) o := p.As
switch o { switch o {
case obj.ATEXT: case obj.ATEXT:
autosize = int32(textstksiz + 8) autosize = int32(textstksiz + 8)
@ -513,7 +512,7 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym) {
// instruction scheduling // instruction scheduling
q = nil // p - 1 q = nil // p - 1
q1 = cursym.Text // top of block q1 = cursym.Text // top of block
o = 0 // count of instructions o := 0 // count of instructions
for p = cursym.Text; p != nil; p = p1 { for p = cursym.Text; p != nil; p = p1 {
p1 = p.Link p1 = p.Link
o++ o++
@ -1342,14 +1341,13 @@ func follow(ctxt *obj.Link, s *obj.LSym) {
func xfol(ctxt *obj.Link, p *obj.Prog, last **obj.Prog) { func xfol(ctxt *obj.Link, p *obj.Prog, last **obj.Prog) {
var q *obj.Prog var q *obj.Prog
var r *obj.Prog var r *obj.Prog
var a int
var i int var i int
loop: loop:
if p == nil { if p == nil {
return return
} }
a = int(p.As) a := p.As
if a == AJMP { if a == AJMP {
q = p.Pcond q = p.Pcond
if (p.Mark&NOSCHED != 0) || q != nil && (q.Mark&NOSCHED != 0) { if (p.Mark&NOSCHED != 0) || q != nil && (q.Mark&NOSCHED != 0) {
@ -1381,7 +1379,7 @@ loop:
if q == *last || (q.Mark&NOSCHED != 0) { if q == *last || (q.Mark&NOSCHED != 0) {
break break
} }
a = int(q.As) a = q.As
if a == obj.ANOP { if a == obj.ANOP {
i-- i--
continue continue
@ -1435,7 +1433,7 @@ loop:
a = AJMP a = AJMP
q = ctxt.NewProg() q = ctxt.NewProg()
q.As = int16(a) q.As = a
q.Lineno = p.Lineno q.Lineno = p.Lineno
q.To.Type = obj.TYPE_BRANCH q.To.Type = obj.TYPE_BRANCH
q.To.Offset = p.Pc q.To.Offset = p.Pc

32
src/cmd/internal/obj/ppc64/asm9.go
View file

@ -48,7 +48,7 @@ const (
) )
type Optab struct { type Optab struct {
as int16 as obj.As
a1 uint8 a1 uint8
a2 uint8 a2 uint8
a3 uint8 a3 uint8
@ -770,7 +770,7 @@ func oplook(ctxt *obj.Link, p *obj.Prog) *Optab {
} }
} }
ctxt.Diag("illegal combination %v %v %v %v %v", obj.Aconv(int(p.As)), DRconv(a1), DRconv(a2), DRconv(a3), DRconv(a4)) ctxt.Diag("illegal combination %v %v %v %v %v", obj.Aconv(p.As), DRconv(a1), DRconv(a2), DRconv(a3), DRconv(a4))
prasm(p) prasm(p)
if ops == nil { if ops == nil {
ops = optab ops = optab
@ -890,7 +890,7 @@ func (x ocmp) Less(i, j int) bool {
} }
return false return false
} }
func opset(a, b0 int16) { func opset(a, b0 obj.As) {
oprange[a&obj.AMask] = oprange[b0] oprange[a&obj.AMask] = oprange[b0]
} }
@ -919,7 +919,7 @@ func buildop(ctxt *obj.Link) {
switch r { switch r {
default: default:
ctxt.Diag("unknown op in build: %v", obj.Aconv(int(r))) ctxt.Diag("unknown op in build: %v", obj.Aconv(r))
log.Fatalf("bad code") log.Fatalf("bad code")
case ADCBF: /* unary indexed: op (b+a); op (b) */ case ADCBF: /* unary indexed: op (b+a); op (b) */
@ -2527,7 +2527,7 @@ func regoff(ctxt *obj.Link, a *obj.Addr) int32 {
return int32(vregoff(ctxt, a)) return int32(vregoff(ctxt, a))
} }
func oprrr(ctxt *obj.Link, a int16) uint32 { func oprrr(ctxt *obj.Link, a obj.As) uint32 {
switch a { switch a {
case AADD: case AADD:
return OPVCC(31, 266, 0, 0) return OPVCC(31, 266, 0, 0)
@ -3026,11 +3026,11 @@ func oprrr(ctxt *obj.Link, a int16) uint32 {
return OPVCC(31, 316, 0, 1) return OPVCC(31, 316, 0, 1)
} }
ctxt.Diag("bad r/r opcode %v", obj.Aconv(int(a))) ctxt.Diag("bad r/r opcode %v", obj.Aconv(a))
return 0 return 0
} }
func opirr(ctxt *obj.Link, a int16) uint32 { func opirr(ctxt *obj.Link, a obj.As) uint32 {
switch a { switch a {
case AADD: case AADD:
return OPVCC(14, 0, 0, 0) return OPVCC(14, 0, 0, 0)
@ -3148,14 +3148,14 @@ func opirr(ctxt *obj.Link, a int16) uint32 {
return OPVCC(27, 0, 0, 0) /* XORIU */ return OPVCC(27, 0, 0, 0) /* XORIU */
} }
ctxt.Diag("bad opcode i/r %v", obj.Aconv(int(a))) ctxt.Diag("bad opcode i/r %v", obj.Aconv(a))
return 0 return 0
} }
/* /*
* load o(a),d * load o(a),d
*/ */
func opload(ctxt *obj.Link, a int16) uint32 { func opload(ctxt *obj.Link, a obj.As) uint32 {
switch a { switch a {
case AMOVD: case AMOVD:
return OPVCC(58, 0, 0, 0) /* ld */ return OPVCC(58, 0, 0, 0) /* ld */
@ -3195,14 +3195,14 @@ func opload(ctxt *obj.Link, a int16) uint32 {
return OPVCC(46, 0, 0, 0) /* lmw */ return OPVCC(46, 0, 0, 0) /* lmw */
} }
ctxt.Diag("bad load opcode %v", obj.Aconv(int(a))) ctxt.Diag("bad load opcode %v", obj.Aconv(a))
return 0 return 0
} }
/* /*
* indexed load a(b),d * indexed load a(b),d
*/ */
func oploadx(ctxt *obj.Link, a int16) uint32 { func oploadx(ctxt *obj.Link, a obj.As) uint32 {
switch a { switch a {
case AMOVWZ: case AMOVWZ:
return OPVCC(31, 23, 0, 0) /* lwzx */ return OPVCC(31, 23, 0, 0) /* lwzx */
@ -3252,14 +3252,14 @@ func oploadx(ctxt *obj.Link, a int16) uint32 {
return OPVCC(31, 53, 0, 0) /* ldux */ return OPVCC(31, 53, 0, 0) /* ldux */
} }
ctxt.Diag("bad loadx opcode %v", obj.Aconv(int(a))) ctxt.Diag("bad loadx opcode %v", obj.Aconv(a))
return 0 return 0
} }
/* /*
* store s,o(d) * store s,o(d)
*/ */
func opstore(ctxt *obj.Link, a int16) uint32 { func opstore(ctxt *obj.Link, a obj.As) uint32 {
switch a { switch a {
case AMOVB, AMOVBZ: case AMOVB, AMOVBZ:
return OPVCC(38, 0, 0, 0) /* stb */ return OPVCC(38, 0, 0, 0) /* stb */
@ -3296,14 +3296,14 @@ func opstore(ctxt *obj.Link, a int16) uint32 {
return OPVCC(62, 0, 0, 1) /* stdu */ return OPVCC(62, 0, 0, 1) /* stdu */
} }
ctxt.Diag("unknown store opcode %v", obj.Aconv(int(a))) ctxt.Diag("unknown store opcode %v", obj.Aconv(a))
return 0 return 0
} }
/* /*
* indexed store s,a(b) * indexed store s,a(b)
*/ */
func opstorex(ctxt *obj.Link, a int16) uint32 { func opstorex(ctxt *obj.Link, a obj.As) uint32 {
switch a { switch a {
case AMOVB, AMOVBZ: case AMOVB, AMOVBZ:
return OPVCC(31, 215, 0, 0) /* stbx */ return OPVCC(31, 215, 0, 0) /* stbx */
@ -3348,6 +3348,6 @@ func opstorex(ctxt *obj.Link, a int16) uint32 {
return OPVCC(31, 181, 0, 0) /* stdux */ return OPVCC(31, 181, 0, 0) /* stdux */
} }
ctxt.Diag("unknown storex opcode %v", obj.Aconv(int(a))) ctxt.Diag("unknown storex opcode %v", obj.Aconv(a))
return 0 return 0
} }

20
src/cmd/internal/obj/ppc64/obj9.go
View file

@ -444,12 +444,11 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym) {
autosize := int32(0) autosize := int32(0)
var aoffset int var aoffset int
var mov int var mov obj.As
var o int
var p1 *obj.Prog var p1 *obj.Prog
var p2 *obj.Prog var p2 *obj.Prog
for p := cursym.Text; p != nil; p = p.Link { for p := cursym.Text; p != nil; p = p.Link {
o = int(p.As) o := p.As
switch o { switch o {
case obj.ATEXT: case obj.ATEXT:
mov = AMOVD mov = AMOVD
@ -548,7 +547,7 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym) {
q.To.Reg = REGTMP q.To.Reg = REGTMP
q = obj.Appendp(ctxt, q) q = obj.Appendp(ctxt, q)
q.As = int16(mov) q.As = mov
q.Lineno = p.Lineno q.Lineno = p.Lineno
q.From.Type = obj.TYPE_REG q.From.Type = obj.TYPE_REG
q.From.Reg = REGTMP q.From.Reg = REGTMP
@ -1025,7 +1024,7 @@ func follow(ctxt *obj.Link, s *obj.LSym) {
s.Text = firstp.Link s.Text = firstp.Link
} }
func relinv(a int) int { func relinv(a obj.As) obj.As {
switch a { switch a {
case ABEQ: case ABEQ:
return ABNE return ABNE
@ -1054,15 +1053,14 @@ func relinv(a int) int {
func xfol(ctxt *obj.Link, p *obj.Prog, last **obj.Prog) { func xfol(ctxt *obj.Link, p *obj.Prog, last **obj.Prog) {
var q *obj.Prog var q *obj.Prog
var r *obj.Prog var r *obj.Prog
var a int var b obj.As
var b int
var i int var i int
loop: loop:
if p == nil { if p == nil {
return return
} }
a = int(p.As) a := p.As
if a == ABR { if a == ABR {
q = p.Pcond q = p.Pcond
if (p.Mark&NOSCHED != 0) || q != nil && (q.Mark&NOSCHED != 0) { if (p.Mark&NOSCHED != 0) || q != nil && (q.Mark&NOSCHED != 0) {
@ -1095,7 +1093,7 @@ loop:
break break
} }
b = 0 /* set */ b = 0 /* set */
a = int(q.As) a = q.As
if a == obj.ANOP { if a == obj.ANOP {
i-- i--
continue continue
@ -1132,7 +1130,7 @@ loop:
if a == ABR || a == obj.ARET || a == ARFI || a == ARFCI || a == ARFID || a == AHRFID { if a == ABR || a == obj.ARET || a == ARFI || a == ARFCI || a == ARFID || a == AHRFID {
return return
} }
r.As = int16(b) r.As = b
r.Pcond = p.Link r.Pcond = p.Link
r.Link = p.Pcond r.Link = p.Pcond
if r.Link.Mark&FOLL == 0 { if r.Link.Mark&FOLL == 0 {
@ -1147,7 +1145,7 @@ loop:
a = ABR a = ABR
q = ctxt.NewProg() q = ctxt.NewProg()
q.As = int16(a) q.As = a
q.Lineno = p.Lineno q.Lineno = p.Lineno
q.To.Type = obj.TYPE_BRANCH q.To.Type = obj.TYPE_BRANCH
q.To.Offset = p.Pc q.To.Offset = p.Pc

30
src/cmd/internal/obj/util.go
View file

@ -299,7 +299,7 @@ func (p *Prog) String() string {
var buf bytes.Buffer var buf bytes.Buffer
fmt.Fprintf(&buf, "%.5d (%v)\t%v%s", p.Pc, p.Line(), Aconv(int(p.As)), sc) fmt.Fprintf(&buf, "%.5d (%v)\t%v%s", p.Pc, p.Line(), Aconv(p.As), sc)
sep := "\t" sep := "\t"
if p.From.Type != TYPE_NONE { if p.From.Type != TYPE_NONE {
fmt.Fprintf(&buf, "%s%v", sep, Dconv(p, &p.From)) fmt.Fprintf(&buf, "%s%v", sep, Dconv(p, &p.From))
@ -595,26 +595,8 @@ func regListConv(list int) string {
return str return str
} }
/*
Each architecture defines an instruction (A*) space as a unique
integer range.
Global opcodes like CALL start at 0; the architecture-specific ones
start at a distinct, big-maskable offsets.
Here is the list of architectures and the base of their opcode spaces.
*/
const (
ABase386 = (1 + iota) << 12
ABaseARM
ABaseAMD64
ABasePPC64
ABaseARM64
ABaseMIPS64
AMask = 1<<12 - 1 // AND with this to use the opcode as an array index.
)
type opSet struct { type opSet struct {
lo int lo As
names []string names []string
} }
@ -623,17 +605,17 @@ var aSpace []opSet
// RegisterOpcode binds a list of instruction names // RegisterOpcode binds a list of instruction names
// to a given instruction number range. // to a given instruction number range.
func RegisterOpcode(lo int, Anames []string) { func RegisterOpcode(lo As, Anames []string) {
aSpace = append(aSpace, opSet{lo, Anames}) aSpace = append(aSpace, opSet{lo, Anames})
} }
func Aconv(a int) string { func Aconv(a As) string {
if 0 <= a && a < len(Anames) { if 0 <= a && int(a) < len(Anames) {
return Anames[a] return Anames[a]
} }
for i := range aSpace { for i := range aSpace {
as := &aSpace[i] as := &aSpace[i]
if as.lo <= a && a < as.lo+len(as.names) { if as.lo <= a && int(a-as.lo) < len(as.names) {
return as.names[a-as.lo] return as.names[a-as.lo]
} }
} }

18
src/cmd/internal/obj/x86/asm6.go
View file

@ -59,7 +59,7 @@ const (
) )
type Optab struct { type Optab struct {
as int16 as obj.As
ytab []ytab ytab []ytab
prefix uint8 prefix uint8
op [23]uint8 op [23]uint8
@ -74,7 +74,7 @@ type ytab struct {
} }
type Movtab struct { type Movtab struct {
as int16 as obj.As
ft uint8 ft uint8
f3t uint8 f3t uint8
tt uint8 tt uint8
@ -1753,7 +1753,7 @@ func naclpad(ctxt *obj.Link, s *obj.LSym, c int32, pad int32) int32 {
return c + pad return c + pad
} }
func spadjop(ctxt *obj.Link, p *obj.Prog, l int, q int) int { func spadjop(ctxt *obj.Link, p *obj.Prog, l, q obj.As) obj.As {
if p.Mode != 64 || ctxt.Arch.Ptrsize == 4 { if p.Mode != 64 || ctxt.Arch.Ptrsize == 4 {
return l return l
} }
@ -1783,9 +1783,9 @@ func span6(ctxt *obj.Link, s *obj.LSym) {
p.To.Reg = REG_SP p.To.Reg = REG_SP
v = int32(-p.From.Offset) v = int32(-p.From.Offset)
p.From.Offset = int64(v) p.From.Offset = int64(v)
p.As = int16(spadjop(ctxt, p, AADDL, AADDQ)) p.As = spadjop(ctxt, p, AADDL, AADDQ)
if v < 0 { if v < 0 {
p.As = int16(spadjop(ctxt, p, ASUBL, ASUBQ)) p.As = spadjop(ctxt, p, ASUBL, ASUBQ)
v = -v v = -v
p.From.Offset = int64(v) p.From.Offset = int64(v)
} }
@ -1810,9 +1810,9 @@ func span6(ctxt *obj.Link, s *obj.LSym) {
p.To.Reg = REG_SP p.To.Reg = REG_SP
v = int32(-p.From.Offset) v = int32(-p.From.Offset)
p.From.Offset = int64(v) p.From.Offset = int64(v)
p.As = int16(spadjop(ctxt, p, AADDL, AADDQ)) p.As = spadjop(ctxt, p, AADDL, AADDQ)
if v < 0 { if v < 0 {
p.As = int16(spadjop(ctxt, p, ASUBL, ASUBQ)) p.As = spadjop(ctxt, p, ASUBL, ASUBQ)
v = -v v = -v
p.From.Offset = int64(v) p.From.Offset = int64(v)
} }
@ -1985,10 +1985,8 @@ func span6(ctxt *obj.Link, s *obj.LSym) {
} }
func instinit() { func instinit() {
var c int
for i := 1; optab[i].as != 0; i++ { for i := 1; optab[i].as != 0; i++ {
c = int(optab[i].as) c := optab[i].as
if opindex[c&obj.AMask] != nil { if opindex[c&obj.AMask] != nil {
log.Fatalf("phase error in optab: %d (%v)", i, obj.Aconv(c)) log.Fatalf("phase error in optab: %d (%v)", i, obj.Aconv(c))
} }

41
src/cmd/internal/obj/x86/obj6.go
View file

@ -321,7 +321,8 @@ func progedit(ctxt *obj.Link, p *obj.Prog) {
// Rewrite p, if necessary, to access global data via the global offset table. // Rewrite p, if necessary, to access global data via the global offset table.
func rewriteToUseGot(ctxt *obj.Link, p *obj.Prog) { func rewriteToUseGot(ctxt *obj.Link, p *obj.Prog) {
var add, lea, mov, reg int16 var add, lea, mov obj.As
var reg int16
if p.Mode == 64 { if p.Mode == 64 {
add = AADDQ add = AADDQ
lea = ALEAQ lea = ALEAQ
@ -979,7 +980,7 @@ func stacksplit(ctxt *obj.Link, p *obj.Prog, framesize int32, textarg int32) *ob
// CMPQ SP, stackguard // CMPQ SP, stackguard
p = obj.Appendp(ctxt, p) p = obj.Appendp(ctxt, p)
p.As = int16(cmp) p.As = cmp
p.From.Type = obj.TYPE_REG p.From.Type = obj.TYPE_REG
p.From.Reg = REG_SP p.From.Reg = REG_SP
indir_cx(ctxt, p, &p.To) indir_cx(ctxt, p, &p.To)
@ -993,7 +994,7 @@ func stacksplit(ctxt *obj.Link, p *obj.Prog, framesize int32, textarg int32) *ob
// CMPQ AX, stackguard // CMPQ AX, stackguard
p = obj.Appendp(ctxt, p) p = obj.Appendp(ctxt, p)
p.As = int16(lea) p.As = lea
p.From.Type = obj.TYPE_MEM p.From.Type = obj.TYPE_MEM
p.From.Reg = REG_SP p.From.Reg = REG_SP
p.From.Offset = -(int64(framesize) - obj.StackSmall) p.From.Offset = -(int64(framesize) - obj.StackSmall)
@ -1001,7 +1002,7 @@ func stacksplit(ctxt *obj.Link, p *obj.Prog, framesize int32, textarg int32) *ob
p.To.Reg = REG_AX p.To.Reg = REG_AX
p = obj.Appendp(ctxt, p) p = obj.Appendp(ctxt, p)
p.As = int16(cmp) p.As = cmp
p.From.Type = obj.TYPE_REG p.From.Type = obj.TYPE_REG
p.From.Reg = REG_AX p.From.Reg = REG_AX
indir_cx(ctxt, p, &p.To) indir_cx(ctxt, p, &p.To)
@ -1027,7 +1028,7 @@ func stacksplit(ctxt *obj.Link, p *obj.Prog, framesize int32, textarg int32) *ob
p = obj.Appendp(ctxt, p) p = obj.Appendp(ctxt, p)
p.As = int16(mov) p.As = mov
indir_cx(ctxt, p, &p.From) indir_cx(ctxt, p, &p.From)
p.From.Offset = 2 * int64(ctxt.Arch.Ptrsize) // G.stackguard0 p.From.Offset = 2 * int64(ctxt.Arch.Ptrsize) // G.stackguard0
if ctxt.Cursym.Cfunc != 0 { if ctxt.Cursym.Cfunc != 0 {
@ -1037,7 +1038,7 @@ func stacksplit(ctxt *obj.Link, p *obj.Prog, framesize int32, textarg int32) *ob
p.To.Reg = REG_SI p.To.Reg = REG_SI
p = obj.Appendp(ctxt, p) p = obj.Appendp(ctxt, p)
p.As = int16(cmp) p.As = cmp
p.From.Type = obj.TYPE_REG p.From.Type = obj.TYPE_REG
p.From.Reg = REG_SI p.From.Reg = REG_SI
p.To.Type = obj.TYPE_CONST p.To.Type = obj.TYPE_CONST
@ -1052,7 +1053,7 @@ func stacksplit(ctxt *obj.Link, p *obj.Prog, framesize int32, textarg int32) *ob
q1 = p q1 = p
p = obj.Appendp(ctxt, p) p = obj.Appendp(ctxt, p)
p.As = int16(lea) p.As = lea
p.From.Type = obj.TYPE_MEM p.From.Type = obj.TYPE_MEM
p.From.Reg = REG_SP p.From.Reg = REG_SP
p.From.Offset = obj.StackGuard p.From.Offset = obj.StackGuard
@ -1060,14 +1061,14 @@ func stacksplit(ctxt *obj.Link, p *obj.Prog, framesize int32, textarg int32) *ob
p.To.Reg = REG_AX p.To.Reg = REG_AX
p = obj.Appendp(ctxt, p) p = obj.Appendp(ctxt, p)
p.As = int16(sub) p.As = sub
p.From.Type = obj.TYPE_REG p.From.Type = obj.TYPE_REG
p.From.Reg = REG_SI p.From.Reg = REG_SI
p.To.Type = obj.TYPE_REG p.To.Type = obj.TYPE_REG
p.To.Reg = REG_AX p.To.Reg = REG_AX
p = obj.Appendp(ctxt, p) p = obj.Appendp(ctxt, p)
p.As = int16(cmp) p.As = cmp
p.From.Type = obj.TYPE_REG p.From.Type = obj.TYPE_REG
p.From.Reg = REG_AX p.From.Reg = REG_AX
p.To.Type = obj.TYPE_CONST p.To.Type = obj.TYPE_CONST
@ -1125,7 +1126,7 @@ func follow(ctxt *obj.Link, s *obj.LSym) {
s.Text = firstp.Link s.Text = firstp.Link
} }
func nofollow(a int) bool { func nofollow(a obj.As) bool {
switch a { switch a {
case obj.AJMP, case obj.AJMP,
obj.ARET, obj.ARET,
@ -1142,7 +1143,7 @@ func nofollow(a int) bool {
return false return false
} }
func pushpop(a int) bool { func pushpop(a obj.As) bool {
switch a { switch a {
case APUSHL, case APUSHL,
APUSHFL, APUSHFL,
@ -1162,7 +1163,7 @@ func pushpop(a int) bool {
return false return false
} }
func relinv(a int16) int16 { func relinv(a obj.As) obj.As {
switch a { switch a {
case AJEQ: case AJEQ:
return AJNE return AJNE
@ -1198,14 +1199,14 @@ func relinv(a int16) int16 {
return AJOS return AJOS
} }
log.Fatalf("unknown relation: %s", obj.Aconv(int(a))) log.Fatalf("unknown relation: %s", obj.Aconv(a))
return 0 return 0
} }
func xfol(ctxt *obj.Link, p *obj.Prog, last **obj.Prog) { func xfol(ctxt *obj.Link, p *obj.Prog, last **obj.Prog) {
var q *obj.Prog var q *obj.Prog
var i int var i int
var a int var a obj.As
loop: loop:
if p == nil { if p == nil {
@ -1238,7 +1239,7 @@ loop:
if q == *last { if q == *last {
break break
} }
a = int(q.As) a = q.As
if a == obj.ANOP { if a == obj.ANOP {
i-- i--
continue continue
@ -1264,7 +1265,7 @@ loop:
q.Mark |= DONE q.Mark |= DONE
(*last).Link = q (*last).Link = q
*last = q *last = q
if int(q.As) != a || q.Pcond == nil || q.Pcond.Mark&DONE != 0 { if q.As != a || q.Pcond == nil || q.Pcond.Mark&DONE != 0 {
continue continue
} }
@ -1295,7 +1296,7 @@ loop:
(*last).Link = p (*last).Link = p
*last = p *last = p
a = int(p.As) a = p.As
/* continue loop with what comes after p */ /* continue loop with what comes after p */
if nofollow(a) { if nofollow(a) {
@ -1321,7 +1322,7 @@ loop:
* expect conditional jump to be taken. * expect conditional jump to be taken.
* rewrite so that's the fall-through case. * rewrite so that's the fall-through case.
*/ */
p.As = relinv(int16(a)) p.As = relinv(a)
q = p.Link q = p.Link
p.Link = p.Pcond p.Link = p.Pcond
@ -1331,7 +1332,7 @@ loop:
q = p.Link q = p.Link
if q.Mark&DONE != 0 { if q.Mark&DONE != 0 {
if a != ALOOP { if a != ALOOP {
p.As = relinv(int16(a)) p.As = relinv(a)
p.Link = p.Pcond p.Link = p.Pcond
p.Pcond = q p.Pcond = q
} }
@ -1350,7 +1351,7 @@ loop:
goto loop goto loop
} }
var unaryDst = map[int]bool{ var unaryDst = map[obj.As]bool{
ABSWAPL: true, ABSWAPL: true,
ABSWAPQ: true, ABSWAPQ: true,
ACMPXCHG8B: true, ACMPXCHG8B: true,