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cmd/internal/obj/loong64: merge moving data operations into one case

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Change-Id: I036d4eadeac9210dc03101b27c2375a801b7c2cf
Reviewed-on: https://go-review.googlesource.com/c/go/+/741843
Reviewed-by: Mark Freeman <markfreeman@google.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
limeidan
2026-01-29 11:41:01 +08:00
committed by abner chenc
parent 73f72d8c99
commit c5f1695f79
1 changed files with 12 additions and 18 deletions
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30
src/cmd/internal/obj/loong64/asm.go
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@@ -140,7 +140,7 @@ var optab = []Optab{
{AMOVB, C_REG, C_NONE, C_NONE, C_TLS_IE, C_NONE, 56, 16, 0, 0},
{AMOVB, C_TLS_IE, C_NONE, C_NONE, C_REG, C_NONE, 57, 16, 0, 0},
// moving data between registers
{AMOVB, C_REG, C_NONE, C_NONE, C_REG, C_NONE, 12, 4, 0, 0},
{AMOVB, C_REG, C_NONE, C_NONE, C_REG, C_NONE, 1, 4, 0, 0},
// memory access
{AMOVBU, C_REG, C_NONE, C_NONE, C_SAUTO, C_NONE, 7, 4, REGSP, 0},
@@ -161,7 +161,7 @@ var optab = []Optab{
{AMOVBU, C_REG, C_NONE, C_NONE, C_TLS_IE, C_NONE, 56, 16, 0, 0},
{AMOVBU, C_TLS_IE, C_NONE, C_NONE, C_REG, C_NONE, 57, 16, 0, 0},
// moving data between registers
{AMOVBU, C_REG, C_NONE, C_NONE, C_REG, C_NONE, 12, 4, 0, 0},
{AMOVBU, C_REG, C_NONE, C_NONE, C_REG, C_NONE, 1, 4, 0, 0},
// memory access
{AMOVW, C_REG, C_NONE, C_NONE, C_SAUTO, C_NONE, 7, 4, REGSP, 0},
@@ -2298,10 +2298,20 @@ func (c *ctxt0) asmout(p *obj.Prog, o *Optab, out []uint32) {
case 1: // mov rj, rd
switch p.As {
case AMOVB:
o1 = OP_RR(c.oprr(AEXTWB), uint32(p.From.Reg), uint32(p.To.Reg))
case AMOVH:
o1 = OP_RR(c.oprr(AEXTWH), uint32(p.From.Reg), uint32(p.To.Reg))
case AMOVW:
o1 = OP_RRR(c.oprrr(ASLL), uint32(REGZERO), uint32(p.From.Reg), uint32(p.To.Reg))
case AMOVV:
o1 = OP_RRR(c.oprrr(AOR), uint32(REGZERO), uint32(p.From.Reg), uint32(p.To.Reg))
case AMOVBU:
o1 = OP_12IRR(c.opirr(AAND), uint32(0xff), uint32(p.From.Reg), uint32(p.To.Reg))
case AMOVHU:
o1 = OP_IRIR(c.opirir(ABSTRPICKV), 15, uint32(p.From.Reg), 0, uint32(p.To.Reg))
case AMOVWU:
o1 = OP_IRIR(c.opirir(ABSTRPICKV), 31, uint32(p.From.Reg), 0, uint32(p.To.Reg))
case AVMOVQ:
o1 = OP_6IRR(c.opirr(AVSLLV), uint32(0), uint32(p.From.Reg), uint32(p.To.Reg))
case AXVMOVQ:
@@ -2445,22 +2455,6 @@ func (c *ctxt0) asmout(p *obj.Prog, o *Optab, out []uint32) {
})
}
case 12: // movbs r,r
switch p.As {
case AMOVB:
o1 = OP_RR(c.oprr(AEXTWB), uint32(p.From.Reg), uint32(p.To.Reg))
case AMOVH:
o1 = OP_RR(c.oprr(AEXTWH), uint32(p.From.Reg), uint32(p.To.Reg))
case AMOVBU:
o1 = OP_12IRR(c.opirr(AAND), uint32(0xff), uint32(p.From.Reg), uint32(p.To.Reg))
case AMOVHU:
o1 = OP_IRIR(c.opirir(ABSTRPICKV), 15, uint32(p.From.Reg), 0, uint32(p.To.Reg))
case AMOVWU:
o1 = OP_IRIR(c.opirir(ABSTRPICKV), 31, uint32(p.From.Reg), 0, uint32(p.To.Reg))
default:
c.ctxt.Diag("unexpected encoding\n%v", p)
}
case 13: // vsll $ui3, [vr1], vr2
v := c.regoff(&p.From)
r := int(p.Reg)