Stowage/go
2
0
Fork 0
mirror of https://github.com/golang/go.git synced 2025-12-08 06:10:04 +00:00
Code Issues Projects Releases Packages Wiki Activity

cmd/internal/obj/loong64: add ADDU16I.D instruction support

Browse source 
Go asm syntax:
	ADDV16		$(1<<16), R4, R5

Equivalent platform assembler syntax:
	addu16i.d	r5, r4, $1

Change-Id: Ica4a4e779d0a107cda3eade86027abd6458779a4
Reviewed-on: https://go-review.googlesource.com/c/go/+/699056
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
This commit is contained in:
Xiaolin Zhao 2025-08-26 15:40:57 +08:00 • committed by Gopher Robot
parent 00b8474e47
commit ddce0522be
6 changed files with 39 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

15
src/cmd/internal/obj/loong64/asm.go
View file

@ -267,6 +267,9 @@ var optab = []Optab{
{AADDV, C_U12CON, C_REG, C_NONE, C_REG, C_NONE, 10, 8, 0, 0},
{AADDV, C_U12CON, C_NONE, C_NONE, C_REG, C_NONE, 10, 8, 0, 0},
{AADDV16, C_32CON, C_REG, C_NONE, C_REG, C_NONE, 4, 4, 0, 0},
{AADDV16, C_32CON, C_NONE, C_NONE, C_REG, C_NONE, 4, 4, 0, 0},
{AAND, C_UU12CON, C_REG, C_NONE, C_REG, C_NONE, 4, 4, 0, 0},
{AAND, C_UU12CON, C_NONE, C_NONE, C_REG, C_NONE, 4, 4, 0, 0},
{AAND, C_S12CON, C_REG, C_NONE, C_REG, C_NONE, 10, 8, 0, 0},
@ -1520,6 +1523,7 @@ func buildop(ctxt *obj.Link) {
APRELD,
APRELDX,
AFSEL,
AADDV16,
obj.ANOP,
obj.ATEXT,
obj.AFUNCDATA,
@ -2087,7 +2091,14 @@ func (c *ctxt0) asmout(p *obj.Prog, o *Optab, out []uint32) {
if r == 0 {
r = int(p.To.Reg)
}
o1 = OP_12IRR(c.opirr(p.As), uint32(v), uint32(r), uint32(p.To.Reg))
if p.As == AADDV16 {
if v&65535 != 0 {
c.ctxt.Diag("%v: the constant must be a multiple of 65536.\n", p)
}
o1 = OP_16IRR(c.opirr(p.As), uint32(v>>16), uint32(r), uint32(p.To.Reg))
} else {
o1 = OP_12IRR(c.opirr(p.As), uint32(v), uint32(r), uint32(p.To.Reg))
}
case 5: // syscall
v := c.regoff(&p.From)
@ -4033,6 +4044,8 @@ func (c *ctxt0) opirr(a obj.As) uint32 {
return 0x00b << 22
case AADDVU:
return 0x00b << 22
case AADDV16:
return 0x4 << 26
case AJMP:
return 0x14 << 26