diff options
| author | Joel Sing <joel@sing.id.au> | 2023-01-08 04:08:29 +1100 |
|---|---|---|
| committer | Joel Sing <joel@sing.id.au> | 2025-03-25 04:12:09 -0700 |
| commit | 4f5863c2ce7d18f2c51db02cebe3f715d4efb925 (patch) | |
| tree | 6d9a750f4f864c973a04b844e62da33913059e8e /src/cmd/internal/obj | |
| parent | f90f3cfcf71fa1226572f87035323fca0ab33e52 (diff) | |
| download | go-4f5863c2ce7d18f2c51db02cebe3f715d4efb925.tar.xz | |
cmd/internal/obj/arm64: provide and use an oprrrr function
Provide a four register version of oprrr, which takes an additional 'ra'
register. Use this instead of oprrr where appropriate.
Change-Id: I8882957a83c2b08e407f37a37c61864cd920bbc9
Reviewed-on: https://go-review.googlesource.com/c/go/+/471519
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Diffstat (limited to 'src/cmd/internal/obj')
| -rw-r--r-- | src/cmd/internal/obj/arm64/asm7.go | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/cmd/internal/obj/arm64/asm7.go b/src/cmd/internal/obj/arm64/asm7.go index 6209aee386..213c4e13b0 100644 --- a/src/cmd/internal/obj/arm64/asm7.go +++ b/src/cmd/internal/obj/arm64/asm7.go @@ -3782,8 +3782,7 @@ func (c *ctxt7) asmout(p *obj.Prog, out []uint32) (count int) { ra = REGZERO } } - o1 = c.oprrr(p, p.As, rt, r, rf) - o1 |= uint32(ra&31) << 10 + o1 = c.oprrrr(p, p.As, rt, r, rf, ra) case 16: /* XremY R[,R],R -> XdivY; XmsubY */ rt, r, rf := p.To.Reg, p.Reg, p.From.Reg @@ -3791,9 +3790,8 @@ func (c *ctxt7) asmout(p *obj.Prog, out []uint32) (count int) { r = rt } o1 = c.oprrr(p, p.As, REGTMP, r, rf) - o2 = c.oprrr(p, AMSUBW, rt, REGTMP, rf) + o2 = c.oprrrr(p, AMSUBW, rt, REGTMP, rf, r) o2 |= o1 & (1 << 31) /* same size */ - o2 |= uint32(r&31) << 10 case 17: /* op Rm,[Rn],Rd; default Rn=ZR */ rt, r, rf := p.To.Reg, p.Reg, p.From.Reg @@ -5763,9 +5761,7 @@ func (c *ctxt7) asmout(p *obj.Prog, out []uint32) (count int) { break } - o1 = c.oprrr(p, p.As, p.To.Reg, p.GetFrom3().Reg, p.Reg) - ra := int(p.From.Reg) - o1 |= uint32(ra&31) << 10 + o1 = c.oprrrr(p, p.As, p.To.Reg, p.GetFrom3().Reg, p.Reg, p.From.Reg) case 104: /* vxar $imm4, Vm.<T>, Vn.<T>, Vd.<T> */ af := ((p.GetFrom3().Reg) >> 5) & 15 @@ -6576,6 +6572,10 @@ func (c *ctxt7) oprrr(p *obj.Prog, a obj.As, rd, rn, rm int16) uint32 { return op } +func (c *ctxt7) oprrrr(p *obj.Prog, a obj.As, rd, rn, rm, ra int16) uint32 { + return c.oprrr(p, a, rd, rn, rm) | uint32(ra&0x1f)<<10 +} + /* * imm -> Rd * imm op Rn -> Rd |