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cmd/compile: run rulegen to include missing condition

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Rulegen was not run again between patchsets 2 and 3 of CL 264683, so
the rewritegeneric.go file is out of sync. Run rulegen.

Change-Id: I67d8d267c4f666943ed9bf8c33aac2ac6013336a
Reviewed-on: https://go-review.googlesource.com/c/go/+/266080
Trust: Alberto Donizetti <alb.donizetti@gmail.com>
Run-TryBot: Alberto Donizetti <alb.donizetti@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Rémy Oudompheng <remyoudompheng@gmail.com>
Reviewed-by: Keith Randall <khr@golang.org>
This commit is contained in:
Alberto Donizetti 2020-10-29 12:12:19 +01:00
parent c45d78013f
commit ecb79e8afa
1 changed files with 2 additions and 2 deletions
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4
src/cmd/compile/internal/ssa/rewritegeneric.go
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@ -5208,7 +5208,7 @@ func rewriteValuegeneric_OpDiv64u(v *Value) bool {
return true
}
// match: (Div64u x (Const64 [c]))
// cond: c > 0 && c <= 0xFFFF && umagicOK32(int32(c)) && config.RegSize == 4
// cond: c > 0 && c <= 0xFFFF && umagicOK32(int32(c)) && config.RegSize == 4 && config.useHmul
// result: (Add64 (Add64 <typ.UInt64> (Add64 <typ.UInt64> (Lsh64x64 <typ.UInt64> (ZeroExt32to64 (Div32u <typ.UInt32> (Trunc64to32 <typ.UInt32> (Rsh64Ux64 <typ.UInt64> x (Const64 <typ.UInt64> [32]))) (Const32 <typ.UInt32> [int32(c)]))) (Const64 <typ.UInt64> [32])) (ZeroExt32to64 (Div32u <typ.UInt32> (Trunc64to32 <typ.UInt32> x) (Const32 <typ.UInt32> [int32(c)])))) (Mul64 <typ.UInt64> (ZeroExt32to64 <typ.UInt64> (Mod32u <typ.UInt32> (Trunc64to32 <typ.UInt32> (Rsh64Ux64 <typ.UInt64> x (Const64 <typ.UInt64> [32]))) (Const32 <typ.UInt32> [int32(c)]))) (Const64 <typ.UInt64> [int64((1<<32)/c)]))) (ZeroExt32to64 (Div32u <typ.UInt32> (Add32 <typ.UInt32> (Mod32u <typ.UInt32> (Trunc64to32 <typ.UInt32> x) (Const32 <typ.UInt32> [int32(c)])) (Mul32 <typ.UInt32> (Mod32u <typ.UInt32> (Trunc64to32 <typ.UInt32> (Rsh64Ux64 <typ.UInt64> x (Const64 <typ.UInt64> [32]))) (Const32 <typ.UInt32> [int32(c)])) (Const32 <typ.UInt32> [int32((1<<32)%c)]))) (Const32 <typ.UInt32> [int32(c)]))))
for {
x := v_0
@ -5216,7 +5216,7 @@ func rewriteValuegeneric_OpDiv64u(v *Value) bool {
break
}
c := auxIntToInt64(v_1.AuxInt)
if !(c > 0 && c <= 0xFFFF && umagicOK32(int32(c)) && config.RegSize == 4) {
if !(c > 0 && c <= 0xFFFF && umagicOK32(int32(c)) && config.RegSize == 4 && config.useHmul) {
break
}
v.reset(OpAdd64)