mirror of
https://github.com/golang/go.git
synced 2025-12-08 06:10:04 +00:00
cmd/compile: move s390x over to new bounds check strategy
Change-Id: I86ed1a60165b729bb88a8a418da0ea1b59b3dc10 Reviewed-on: https://go-review.googlesource.com/c/go/+/682499 LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com> Reviewed-by: Keith Randall <khr@google.com> Reviewed-by: Michael Munday <mikemndy@gmail.com> Reviewed-by: Mark Freeman <mark@golang.org>
This commit is contained in:
Keith Randall
parent
95693816a5
commit
7a1679d7ae
6 changed files with 225 additions and 157 deletions
|
|
@ -15,6 +15,7 @@ import (
|
|||
"cmd/compile/internal/types"
|
||||
"cmd/internal/obj"
|
||||
"cmd/internal/obj/s390x"
|
||||
"internal/abi"
|
||||
)
|
||||
|
||||
// ssaMarkMoves marks any MOVXconst ops that need to avoid clobbering flags.
|
||||
|
|
@ -573,12 +574,92 @@ func ssaGenValue(s *ssagen.State, v *ssa.Value) {
|
|||
p.To.Name = obj.NAME_EXTERN
|
||||
// AuxInt encodes how many buffer entries we need.
|
||||
p.To.Sym = ir.Syms.GCWriteBarrier[v.AuxInt-1]
|
||||
case ssa.OpS390XLoweredPanicBoundsA, ssa.OpS390XLoweredPanicBoundsB, ssa.OpS390XLoweredPanicBoundsC:
|
||||
p := s.Prog(obj.ACALL)
|
||||
|
||||
case ssa.OpS390XLoweredPanicBoundsRR, ssa.OpS390XLoweredPanicBoundsRC, ssa.OpS390XLoweredPanicBoundsCR, ssa.OpS390XLoweredPanicBoundsCC:
|
||||
// Compute the constant we put in the PCData entry for this call.
|
||||
code, signed := ssa.BoundsKind(v.AuxInt).Code()
|
||||
xIsReg := false
|
||||
yIsReg := false
|
||||
xVal := 0
|
||||
yVal := 0
|
||||
switch v.Op {
|
||||
case ssa.OpS390XLoweredPanicBoundsRR:
|
||||
xIsReg = true
|
||||
xVal = int(v.Args[0].Reg() - s390x.REG_R0)
|
||||
yIsReg = true
|
||||
yVal = int(v.Args[1].Reg() - s390x.REG_R0)
|
||||
case ssa.OpS390XLoweredPanicBoundsRC:
|
||||
xIsReg = true
|
||||
xVal = int(v.Args[0].Reg() - s390x.REG_R0)
|
||||
c := v.Aux.(ssa.PanicBoundsC).C
|
||||
if c >= 0 && c <= abi.BoundsMaxConst {
|
||||
yVal = int(c)
|
||||
} else {
|
||||
// Move constant to a register
|
||||
yIsReg = true
|
||||
if yVal == xVal {
|
||||
yVal = 1
|
||||
}
|
||||
p := s.Prog(s390x.AMOVD)
|
||||
p.From.Type = obj.TYPE_CONST
|
||||
p.From.Offset = c
|
||||
p.To.Type = obj.TYPE_REG
|
||||
p.To.Reg = s390x.REG_R0 + int16(yVal)
|
||||
}
|
||||
case ssa.OpS390XLoweredPanicBoundsCR:
|
||||
yIsReg = true
|
||||
yVal := int(v.Args[0].Reg() - s390x.REG_R0)
|
||||
c := v.Aux.(ssa.PanicBoundsC).C
|
||||
if c >= 0 && c <= abi.BoundsMaxConst {
|
||||
xVal = int(c)
|
||||
} else {
|
||||
// Move constant to a register
|
||||
if xVal == yVal {
|
||||
xVal = 1
|
||||
}
|
||||
p := s.Prog(s390x.AMOVD)
|
||||
p.From.Type = obj.TYPE_CONST
|
||||
p.From.Offset = c
|
||||
p.To.Type = obj.TYPE_REG
|
||||
p.To.Reg = s390x.REG_R0 + int16(xVal)
|
||||
}
|
||||
case ssa.OpS390XLoweredPanicBoundsCC:
|
||||
c := v.Aux.(ssa.PanicBoundsCC).Cx
|
||||
if c >= 0 && c <= abi.BoundsMaxConst {
|
||||
xVal = int(c)
|
||||
} else {
|
||||
// Move constant to a register
|
||||
xIsReg = true
|
||||
p := s.Prog(s390x.AMOVD)
|
||||
p.From.Type = obj.TYPE_CONST
|
||||
p.From.Offset = c
|
||||
p.To.Type = obj.TYPE_REG
|
||||
p.To.Reg = s390x.REG_R0 + int16(xVal)
|
||||
}
|
||||
c = v.Aux.(ssa.PanicBoundsCC).Cy
|
||||
if c >= 0 && c <= abi.BoundsMaxConst {
|
||||
yVal = int(c)
|
||||
} else {
|
||||
// Move constant to a register
|
||||
yIsReg = true
|
||||
yVal = 1
|
||||
p := s.Prog(s390x.AMOVD)
|
||||
p.From.Type = obj.TYPE_CONST
|
||||
p.From.Offset = c
|
||||
p.To.Type = obj.TYPE_REG
|
||||
p.To.Reg = s390x.REG_R0 + int16(yVal)
|
||||
}
|
||||
}
|
||||
c := abi.BoundsEncode(code, signed, xIsReg, yIsReg, xVal, yVal)
|
||||
|
||||
p := s.Prog(obj.APCDATA)
|
||||
p.From.SetConst(abi.PCDATA_PanicBounds)
|
||||
p.To.SetConst(int64(c))
|
||||
p = s.Prog(obj.ACALL)
|
||||
p.To.Type = obj.TYPE_MEM
|
||||
p.To.Name = obj.NAME_EXTERN
|
||||
p.To.Sym = ssagen.BoundsCheckFunc[v.AuxInt]
|
||||
s.UseArgs(16) // space used in callee args area by assembly stubs
|
||||
p.To.Sym = ir.Syms.PanicBounds
|
||||
|
||||
case ssa.OpS390XFLOGR, ssa.OpS390XPOPCNT,
|
||||
ssa.OpS390XNEG, ssa.OpS390XNEGW,
|
||||
ssa.OpS390XMOVWBR, ssa.OpS390XMOVDBR:
|
||||
|
|
|
|||
|
|
@ -458,9 +458,11 @@
|
|||
// Write barrier.
|
||||
(WB ...) => (LoweredWB ...)
|
||||
|
||||
(PanicBounds [kind] x y mem) && boundsABI(kind) == 0 => (LoweredPanicBoundsA [kind] x y mem)
|
||||
(PanicBounds [kind] x y mem) && boundsABI(kind) == 1 => (LoweredPanicBoundsB [kind] x y mem)
|
||||
(PanicBounds [kind] x y mem) && boundsABI(kind) == 2 => (LoweredPanicBoundsC [kind] x y mem)
|
||||
(PanicBounds ...) => (LoweredPanicBoundsRR ...)
|
||||
(LoweredPanicBoundsRR [kind] x (MOVDconst [c]) mem) => (LoweredPanicBoundsRC [kind] x {PanicBoundsC{C:c}} mem)
|
||||
(LoweredPanicBoundsRR [kind] (MOVDconst [c]) y mem) => (LoweredPanicBoundsCR [kind] {PanicBoundsC{C:c}} y mem)
|
||||
(LoweredPanicBoundsRC [kind] {p} (MOVDconst [c]) mem) => (LoweredPanicBoundsCC [kind] {PanicBoundsCC{Cx:c, Cy:p.C}} mem)
|
||||
(LoweredPanicBoundsCR [kind] {p} (MOVDconst [c]) mem) => (LoweredPanicBoundsCC [kind] {PanicBoundsCC{Cx:p.C, Cy:c}} mem)
|
||||
|
||||
// ***************************
|
||||
// Above: lowering rules
|
||||
|
|
|
|||
|
|
@ -114,6 +114,7 @@ func init() {
|
|||
sb = buildReg("SB")
|
||||
r0 = buildReg("R0")
|
||||
tmp = buildReg("R11") // R11 is used as a temporary in a small number of instructions.
|
||||
lr = buildReg("R14")
|
||||
|
||||
// R10 is reserved by the assembler.
|
||||
gp = buildReg("R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R11 R12 R14")
|
||||
|
|
@ -518,12 +519,15 @@ func init() {
|
|||
// Returns a pointer to a write barrier buffer in R9.
|
||||
{name: "LoweredWB", argLength: 1, reg: regInfo{clobbers: (callerSave &^ gpg) | buildReg("R14") | r1, outputs: []regMask{r9}}, clobberFlags: true, aux: "Int64"},
|
||||
|
||||
// There are three of these functions so that they can have three different register inputs.
|
||||
// When we check 0 <= c <= cap (A), then 0 <= b <= c (B), then 0 <= a <= b (C), we want the
|
||||
// default registers to match so we don't need to copy registers around unnecessarily.
|
||||
{name: "LoweredPanicBoundsA", argLength: 3, aux: "Int64", reg: regInfo{inputs: []regMask{r2, r3}}, typ: "Mem", call: true}, // arg0=idx, arg1=len, arg2=mem, returns memory. AuxInt contains report code (see PanicBounds in generic.go).
|
||||
{name: "LoweredPanicBoundsB", argLength: 3, aux: "Int64", reg: regInfo{inputs: []regMask{r1, r2}}, typ: "Mem", call: true}, // arg0=idx, arg1=len, arg2=mem, returns memory. AuxInt contains report code (see PanicBounds in generic.go).
|
||||
{name: "LoweredPanicBoundsC", argLength: 3, aux: "Int64", reg: regInfo{inputs: []regMask{r0, r1}}, typ: "Mem", call: true}, // arg0=idx, arg1=len, arg2=mem, returns memory. AuxInt contains report code (see PanicBounds in generic.go).
|
||||
// LoweredPanicBoundsRR takes x and y, two values that caused a bounds check to fail.
|
||||
// the RC and CR versions are used when one of the arguments is a constant. CC is used
|
||||
// when both are constant (normally both 0, as prove derives the fact that a [0] bounds
|
||||
// failure means the length must have also been 0).
|
||||
// AuxInt contains a report code (see PanicBounds in genericOps.go).
|
||||
{name: "LoweredPanicBoundsRR", argLength: 3, aux: "Int64", reg: regInfo{inputs: []regMask{gp &^ lr, gp &^ lr}}, typ: "Mem", call: true}, // arg0=x, arg1=y, arg2=mem, returns memory.
|
||||
{name: "LoweredPanicBoundsRC", argLength: 2, aux: "PanicBoundsC", reg: regInfo{inputs: []regMask{gp &^ lr}}, typ: "Mem", call: true}, // arg0=x, arg1=mem, returns memory.
|
||||
{name: "LoweredPanicBoundsCR", argLength: 2, aux: "PanicBoundsC", reg: regInfo{inputs: []regMask{gp &^ lr}}, typ: "Mem", call: true}, // arg0=y, arg1=mem, returns memory.
|
||||
{name: "LoweredPanicBoundsCC", argLength: 1, aux: "PanicBoundsCC", reg: regInfo{}, typ: "Mem", call: true}, // arg0=mem, returns memory.
|
||||
|
||||
// Constant condition code values. The condition code can be 0, 1, 2 or 3.
|
||||
{name: "FlagEQ"}, // CC=0 (equal)
|
||||
|
|
|
|||
|
|
@ -2843,9 +2843,10 @@ const (
|
|||
OpS390XLoweredRound32F
|
||||
OpS390XLoweredRound64F
|
||||
OpS390XLoweredWB
|
||||
OpS390XLoweredPanicBoundsA
|
||||
OpS390XLoweredPanicBoundsB
|
||||
OpS390XLoweredPanicBoundsC
|
||||
OpS390XLoweredPanicBoundsRR
|
||||
OpS390XLoweredPanicBoundsRC
|
||||
OpS390XLoweredPanicBoundsCR
|
||||
OpS390XLoweredPanicBoundsCC
|
||||
OpS390XFlagEQ
|
||||
OpS390XFlagLT
|
||||
OpS390XFlagGT
|
||||
|
|
@ -38525,41 +38526,46 @@ var opcodeTable = [...]opInfo{
|
|||
},
|
||||
},
|
||||
{
|
||||
name: "LoweredPanicBoundsA",
|
||||
name: "LoweredPanicBoundsRR",
|
||||
auxType: auxInt64,
|
||||
argLen: 3,
|
||||
call: true,
|
||||
reg: regInfo{
|
||||
inputs: []inputInfo{
|
||||
{0, 4}, // R2
|
||||
{1, 8}, // R3
|
||||
{0, 7167}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R11 R12
|
||||
{1, 7167}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R11 R12
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "LoweredPanicBoundsB",
|
||||
auxType: auxInt64,
|
||||
argLen: 3,
|
||||
name: "LoweredPanicBoundsRC",
|
||||
auxType: auxPanicBoundsC,
|
||||
argLen: 2,
|
||||
call: true,
|
||||
reg: regInfo{
|
||||
inputs: []inputInfo{
|
||||
{0, 2}, // R1
|
||||
{1, 4}, // R2
|
||||
{0, 7167}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R11 R12
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "LoweredPanicBoundsC",
|
||||
auxType: auxInt64,
|
||||
argLen: 3,
|
||||
name: "LoweredPanicBoundsCR",
|
||||
auxType: auxPanicBoundsC,
|
||||
argLen: 2,
|
||||
call: true,
|
||||
reg: regInfo{
|
||||
inputs: []inputInfo{
|
||||
{0, 1}, // R0
|
||||
{1, 2}, // R1
|
||||
{0, 7167}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R11 R12
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "LoweredPanicBoundsCC",
|
||||
auxType: auxPanicBoundsCC,
|
||||
argLen: 1,
|
||||
call: true,
|
||||
reg: regInfo{},
|
||||
},
|
||||
{
|
||||
name: "FlagEQ",
|
||||
argLen: 0,
|
||||
|
|
|
|||
|
|
@ -477,7 +477,8 @@ func rewriteValueS390X(v *Value) bool {
|
|||
v.Op = OpS390XORW
|
||||
return true
|
||||
case OpPanicBounds:
|
||||
return rewriteValueS390X_OpPanicBounds(v)
|
||||
v.Op = OpS390XLoweredPanicBoundsRR
|
||||
return true
|
||||
case OpPopCount16:
|
||||
return rewriteValueS390X_OpPopCount16(v)
|
||||
case OpPopCount32:
|
||||
|
|
@ -644,6 +645,12 @@ func rewriteValueS390X(v *Value) bool {
|
|||
return rewriteValueS390X_OpS390XLTDBR(v)
|
||||
case OpS390XLTEBR:
|
||||
return rewriteValueS390X_OpS390XLTEBR(v)
|
||||
case OpS390XLoweredPanicBoundsCR:
|
||||
return rewriteValueS390X_OpS390XLoweredPanicBoundsCR(v)
|
||||
case OpS390XLoweredPanicBoundsRC:
|
||||
return rewriteValueS390X_OpS390XLoweredPanicBoundsRC(v)
|
||||
case OpS390XLoweredPanicBoundsRR:
|
||||
return rewriteValueS390X_OpS390XLoweredPanicBoundsRR(v)
|
||||
case OpS390XLoweredRound32F:
|
||||
return rewriteValueS390X_OpS390XLoweredRound32F(v)
|
||||
case OpS390XLoweredRound64F:
|
||||
|
|
@ -3971,60 +3978,6 @@ func rewriteValueS390X_OpOffPtr(v *Value) bool {
|
|||
return true
|
||||
}
|
||||
}
|
||||
func rewriteValueS390X_OpPanicBounds(v *Value) bool {
|
||||
v_2 := v.Args[2]
|
||||
v_1 := v.Args[1]
|
||||
v_0 := v.Args[0]
|
||||
// match: (PanicBounds [kind] x y mem)
|
||||
// cond: boundsABI(kind) == 0
|
||||
// result: (LoweredPanicBoundsA [kind] x y mem)
|
||||
for {
|
||||
kind := auxIntToInt64(v.AuxInt)
|
||||
x := v_0
|
||||
y := v_1
|
||||
mem := v_2
|
||||
if !(boundsABI(kind) == 0) {
|
||||
break
|
||||
}
|
||||
v.reset(OpS390XLoweredPanicBoundsA)
|
||||
v.AuxInt = int64ToAuxInt(kind)
|
||||
v.AddArg3(x, y, mem)
|
||||
return true
|
||||
}
|
||||
// match: (PanicBounds [kind] x y mem)
|
||||
// cond: boundsABI(kind) == 1
|
||||
// result: (LoweredPanicBoundsB [kind] x y mem)
|
||||
for {
|
||||
kind := auxIntToInt64(v.AuxInt)
|
||||
x := v_0
|
||||
y := v_1
|
||||
mem := v_2
|
||||
if !(boundsABI(kind) == 1) {
|
||||
break
|
||||
}
|
||||
v.reset(OpS390XLoweredPanicBoundsB)
|
||||
v.AuxInt = int64ToAuxInt(kind)
|
||||
v.AddArg3(x, y, mem)
|
||||
return true
|
||||
}
|
||||
// match: (PanicBounds [kind] x y mem)
|
||||
// cond: boundsABI(kind) == 2
|
||||
// result: (LoweredPanicBoundsC [kind] x y mem)
|
||||
for {
|
||||
kind := auxIntToInt64(v.AuxInt)
|
||||
x := v_0
|
||||
y := v_1
|
||||
mem := v_2
|
||||
if !(boundsABI(kind) == 2) {
|
||||
break
|
||||
}
|
||||
v.reset(OpS390XLoweredPanicBoundsC)
|
||||
v.AuxInt = int64ToAuxInt(kind)
|
||||
v.AddArg3(x, y, mem)
|
||||
return true
|
||||
}
|
||||
return false
|
||||
}
|
||||
func rewriteValueS390X_OpPopCount16(v *Value) bool {
|
||||
v_0 := v.Args[0]
|
||||
b := v.Block
|
||||
|
|
@ -8147,6 +8100,86 @@ func rewriteValueS390X_OpS390XLTEBR(v *Value) bool {
|
|||
}
|
||||
return false
|
||||
}
|
||||
func rewriteValueS390X_OpS390XLoweredPanicBoundsCR(v *Value) bool {
|
||||
v_1 := v.Args[1]
|
||||
v_0 := v.Args[0]
|
||||
// match: (LoweredPanicBoundsCR [kind] {p} (MOVDconst [c]) mem)
|
||||
// result: (LoweredPanicBoundsCC [kind] {PanicBoundsCC{Cx:p.C, Cy:c}} mem)
|
||||
for {
|
||||
kind := auxIntToInt64(v.AuxInt)
|
||||
p := auxToPanicBoundsC(v.Aux)
|
||||
if v_0.Op != OpS390XMOVDconst {
|
||||
break
|
||||
}
|
||||
c := auxIntToInt64(v_0.AuxInt)
|
||||
mem := v_1
|
||||
v.reset(OpS390XLoweredPanicBoundsCC)
|
||||
v.AuxInt = int64ToAuxInt(kind)
|
||||
v.Aux = panicBoundsCCToAux(PanicBoundsCC{Cx: p.C, Cy: c})
|
||||
v.AddArg(mem)
|
||||
return true
|
||||
}
|
||||
return false
|
||||
}
|
||||
func rewriteValueS390X_OpS390XLoweredPanicBoundsRC(v *Value) bool {
|
||||
v_1 := v.Args[1]
|
||||
v_0 := v.Args[0]
|
||||
// match: (LoweredPanicBoundsRC [kind] {p} (MOVDconst [c]) mem)
|
||||
// result: (LoweredPanicBoundsCC [kind] {PanicBoundsCC{Cx:c, Cy:p.C}} mem)
|
||||
for {
|
||||
kind := auxIntToInt64(v.AuxInt)
|
||||
p := auxToPanicBoundsC(v.Aux)
|
||||
if v_0.Op != OpS390XMOVDconst {
|
||||
break
|
||||
}
|
||||
c := auxIntToInt64(v_0.AuxInt)
|
||||
mem := v_1
|
||||
v.reset(OpS390XLoweredPanicBoundsCC)
|
||||
v.AuxInt = int64ToAuxInt(kind)
|
||||
v.Aux = panicBoundsCCToAux(PanicBoundsCC{Cx: c, Cy: p.C})
|
||||
v.AddArg(mem)
|
||||
return true
|
||||
}
|
||||
return false
|
||||
}
|
||||
func rewriteValueS390X_OpS390XLoweredPanicBoundsRR(v *Value) bool {
|
||||
v_2 := v.Args[2]
|
||||
v_1 := v.Args[1]
|
||||
v_0 := v.Args[0]
|
||||
// match: (LoweredPanicBoundsRR [kind] x (MOVDconst [c]) mem)
|
||||
// result: (LoweredPanicBoundsRC [kind] x {PanicBoundsC{C:c}} mem)
|
||||
for {
|
||||
kind := auxIntToInt64(v.AuxInt)
|
||||
x := v_0
|
||||
if v_1.Op != OpS390XMOVDconst {
|
||||
break
|
||||
}
|
||||
c := auxIntToInt64(v_1.AuxInt)
|
||||
mem := v_2
|
||||
v.reset(OpS390XLoweredPanicBoundsRC)
|
||||
v.AuxInt = int64ToAuxInt(kind)
|
||||
v.Aux = panicBoundsCToAux(PanicBoundsC{C: c})
|
||||
v.AddArg2(x, mem)
|
||||
return true
|
||||
}
|
||||
// match: (LoweredPanicBoundsRR [kind] (MOVDconst [c]) y mem)
|
||||
// result: (LoweredPanicBoundsCR [kind] {PanicBoundsC{C:c}} y mem)
|
||||
for {
|
||||
kind := auxIntToInt64(v.AuxInt)
|
||||
if v_0.Op != OpS390XMOVDconst {
|
||||
break
|
||||
}
|
||||
c := auxIntToInt64(v_0.AuxInt)
|
||||
y := v_1
|
||||
mem := v_2
|
||||
v.reset(OpS390XLoweredPanicBoundsCR)
|
||||
v.AuxInt = int64ToAuxInt(kind)
|
||||
v.Aux = panicBoundsCToAux(PanicBoundsC{C: c})
|
||||
v.AddArg2(y, mem)
|
||||
return true
|
||||
}
|
||||
return false
|
||||
}
|
||||
func rewriteValueS390X_OpS390XLoweredRound32F(v *Value) bool {
|
||||
v_0 := v.Args[0]
|
||||
// match: (LoweredRound32F x:(FMOVSconst))
|
||||
|
|
|
|||
|
|
@ -892,76 +892,18 @@ TEXT runtime·gcWriteBarrier8<ABIInternal>(SB),NOSPLIT,$0
|
|||
MOVD $64, R9
|
||||
JMP gcWriteBarrier<>(SB)
|
||||
|
||||
// Note: these functions use a special calling convention to save generated code space.
|
||||
// Arguments are passed in registers, but the space for those arguments are allocated
|
||||
// in the caller's stack frame. These stubs write the args into that stack space and
|
||||
// then tail call to the corresponding runtime handler.
|
||||
// The tail call makes these stubs disappear in backtraces.
|
||||
TEXT runtime·panicIndex(SB),NOSPLIT,$0-16
|
||||
MOVD R0, x+0(FP)
|
||||
MOVD R1, y+8(FP)
|
||||
JMP runtime·goPanicIndex(SB)
|
||||
TEXT runtime·panicIndexU(SB),NOSPLIT,$0-16
|
||||
MOVD R0, x+0(FP)
|
||||
MOVD R1, y+8(FP)
|
||||
JMP runtime·goPanicIndexU(SB)
|
||||
TEXT runtime·panicSliceAlen(SB),NOSPLIT,$0-16
|
||||
MOVD R1, x+0(FP)
|
||||
MOVD R2, y+8(FP)
|
||||
JMP runtime·goPanicSliceAlen(SB)
|
||||
TEXT runtime·panicSliceAlenU(SB),NOSPLIT,$0-16
|
||||
MOVD R1, x+0(FP)
|
||||
MOVD R2, y+8(FP)
|
||||
JMP runtime·goPanicSliceAlenU(SB)
|
||||
TEXT runtime·panicSliceAcap(SB),NOSPLIT,$0-16
|
||||
MOVD R1, x+0(FP)
|
||||
MOVD R2, y+8(FP)
|
||||
JMP runtime·goPanicSliceAcap(SB)
|
||||
TEXT runtime·panicSliceAcapU(SB),NOSPLIT,$0-16
|
||||
MOVD R1, x+0(FP)
|
||||
MOVD R2, y+8(FP)
|
||||
JMP runtime·goPanicSliceAcapU(SB)
|
||||
TEXT runtime·panicSliceB(SB),NOSPLIT,$0-16
|
||||
MOVD R0, x+0(FP)
|
||||
MOVD R1, y+8(FP)
|
||||
JMP runtime·goPanicSliceB(SB)
|
||||
TEXT runtime·panicSliceBU(SB),NOSPLIT,$0-16
|
||||
MOVD R0, x+0(FP)
|
||||
MOVD R1, y+8(FP)
|
||||
JMP runtime·goPanicSliceBU(SB)
|
||||
TEXT runtime·panicSlice3Alen(SB),NOSPLIT,$0-16
|
||||
MOVD R2, x+0(FP)
|
||||
MOVD R3, y+8(FP)
|
||||
JMP runtime·goPanicSlice3Alen(SB)
|
||||
TEXT runtime·panicSlice3AlenU(SB),NOSPLIT,$0-16
|
||||
MOVD R2, x+0(FP)
|
||||
MOVD R3, y+8(FP)
|
||||
JMP runtime·goPanicSlice3AlenU(SB)
|
||||
TEXT runtime·panicSlice3Acap(SB),NOSPLIT,$0-16
|
||||
MOVD R2, x+0(FP)
|
||||
MOVD R3, y+8(FP)
|
||||
JMP runtime·goPanicSlice3Acap(SB)
|
||||
TEXT runtime·panicSlice3AcapU(SB),NOSPLIT,$0-16
|
||||
MOVD R2, x+0(FP)
|
||||
MOVD R3, y+8(FP)
|
||||
JMP runtime·goPanicSlice3AcapU(SB)
|
||||
TEXT runtime·panicSlice3B(SB),NOSPLIT,$0-16
|
||||
MOVD R1, x+0(FP)
|
||||
MOVD R2, y+8(FP)
|
||||
JMP runtime·goPanicSlice3B(SB)
|
||||
TEXT runtime·panicSlice3BU(SB),NOSPLIT,$0-16
|
||||
MOVD R1, x+0(FP)
|
||||
MOVD R2, y+8(FP)
|
||||
JMP runtime·goPanicSlice3BU(SB)
|
||||
TEXT runtime·panicSlice3C(SB),NOSPLIT,$0-16
|
||||
MOVD R0, x+0(FP)
|
||||
MOVD R1, y+8(FP)
|
||||
JMP runtime·goPanicSlice3C(SB)
|
||||
TEXT runtime·panicSlice3CU(SB),NOSPLIT,$0-16
|
||||
MOVD R0, x+0(FP)
|
||||
MOVD R1, y+8(FP)
|
||||
JMP runtime·goPanicSlice3CU(SB)
|
||||
TEXT runtime·panicSliceConvert(SB),NOSPLIT,$0-16
|
||||
MOVD R2, x+0(FP)
|
||||
MOVD R3, y+8(FP)
|
||||
JMP runtime·goPanicSliceConvert(SB)
|
||||
TEXT runtime·panicBounds<ABIInternal>(SB),NOSPLIT,$144-0
|
||||
NO_LOCAL_POINTERS
|
||||
// Save all 16 int registers that could have an index in them.
|
||||
// They may be pointers, but if they are they are dead.
|
||||
STMG R0, R12, 24(R15)
|
||||
// Note that R10 @ 104 is not needed, it is an assembler temp
|
||||
// skip R13 aka G @ 128
|
||||
// skip R14 aka LR @ 136
|
||||
// skip R15 aka SP @ 144
|
||||
|
||||
MOVD R14, 8(R15) // PC immediately after call to panicBounds
|
||||
ADD $24, R15, R0 // pointer to save area
|
||||
MOVD R0, 16(R15)
|
||||
CALL runtime·panicBounds64<ABIInternal>(SB)
|
||||
RET
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue