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cmd/compile: fix mips zerorange implementation

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A +8 was missed when simplifying this code in CL 700936.

Fixes #75477

Change-Id: Ic7b83322dc1373432b44f0b63607141195220380
Reviewed-on: https://go-review.googlesource.com/c/go/+/703937
Reviewed-by: Keith Randall <khr@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Julian Zhu <jz531210@gmail.com>
Auto-Submit: Keith Randall <khr@google.com>
Reviewed-by: Tianon Gravi <admwiggin@gmail.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
This commit is contained in:
Keith Randall 2025-09-15 19:59:22 -07:00 • committed by Gopher Robot
parent e2cfc1eb3a
commit 0b26678db2
2 changed files with 3 additions and 2 deletions
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3
src/cmd/compile/internal/mips/ggen.go
View file

@ -5,6 +5,7 @@
package mips
import (
"cmd/compile/internal/base"
"cmd/compile/internal/objw"
"cmd/compile/internal/types"
"cmd/internal/obj"
@ -17,7 +18,7 @@ func zerorange(pp *objw.Progs, p *obj.Prog, off, cnt int64, _ *uint32) *obj.Prog
}
for cnt != 0 {
p = pp.Append(p, mips.AMOVW, obj.TYPE_REG, mips.REGZERO, 0, obj.TYPE_MEM, mips.REGSP, off)
p = pp.Append(p, mips.AMOVW, obj.TYPE_REG, mips.REGZERO, 0, obj.TYPE_MEM, mips.REGSP, base.Ctxt.Arch.FixedFrameSize+off)
cnt -= int64(types.PtrSize)
off += int64(types.PtrSize)
}

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

@ -17,7 +17,7 @@ func zerorange(pp *objw.Progs, p *obj.Prog, off, cnt int64, _ *uint32) *obj.Prog
}
for cnt != 0 {
p = pp.Append(p, mips.AMOVV, obj.TYPE_REG, mips.REGZERO, 0, obj.TYPE_MEM, mips.REGSP, off)
p = pp.Append(p, mips.AMOVV, obj.TYPE_REG, mips.REGZERO, 0, obj.TYPE_MEM, mips.REGSP, off+8)
cnt -= int64(types.PtrSize)
off += int64(types.PtrSize)
}