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cmd/compile: remove amd64p32 related SSA rules

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Updates golang/go#30439

Change-Id: Iadc737e4c6bb05bb576fe4bb344ad92403697352
Reviewed-on: https://go-review.googlesource.com/c/go/+/201380
Run-TryBot: Ben Shi <powerman1st@163.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
This commit is contained in:
Ben Shi 2019-10-16 19:15:39 +08:00 committed by Brad Fitzpatrick
parent eff3c1e426
commit b12703e052
2 changed files with 0 additions and 29 deletions
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3
src/cmd/compile/internal/ssa/gen/AMD64.rules
View File

@ -226,9 +226,6 @@
(NeqPtr x y) && config.PtrSize == 4 -> (SETNE (CMPL x y))
(Neq(32|64)F x y) -> (SETNEF (UCOMIS(S|D) x y))
(Int64Hi x) -> (SHRQconst [32] x) // needed for amd64p32
(Int64Lo x) -> x
// Lowering loads
(Load <t> ptr mem) && (is64BitInt(t) || isPtr(t) && config.PtrSize == 8) -> (MOVQload ptr mem)
(Load <t> ptr mem) && (is32BitInt(t) || isPtr(t) && config.PtrSize == 4) -> (MOVLload ptr mem)

26
src/cmd/compile/internal/ssa/rewriteAMD64.go
View File

@ -826,10 +826,6 @@ func rewriteValueAMD64(v *Value) bool {
return rewriteValueAMD64_OpHmul64_0(v)
case OpHmul64u:
return rewriteValueAMD64_OpHmul64u_0(v)
case OpInt64Hi:
return rewriteValueAMD64_OpInt64Hi_0(v)
case OpInt64Lo:
return rewriteValueAMD64_OpInt64Lo_0(v)
case OpInterCall:
return rewriteValueAMD64_OpInterCall_0(v)
case OpIsInBounds:
@ -52729,28 +52725,6 @@ func rewriteValueAMD64_OpHmul64u_0(v *Value) bool {
return true
}
}
func rewriteValueAMD64_OpInt64Hi_0(v *Value) bool {
// match: (Int64Hi x)
// result: (SHRQconst [32] x)
for {
x := v.Args[0]
v.reset(OpAMD64SHRQconst)
v.AuxInt = 32
v.AddArg(x)
return true
}
}
func rewriteValueAMD64_OpInt64Lo_0(v *Value) bool {
// match: (Int64Lo x)
// result: x
for {
x := v.Args[0]
v.reset(OpCopy)
v.Type = x.Type
v.AddArg(x)
return true
}
}
func rewriteValueAMD64_OpInterCall_0(v *Value) bool {
// match: (InterCall [argwid] entry mem)
// result: (CALLinter [argwid] entry mem)