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cmd/compile: correct the argument type in SETXXstore -> MOVBstore rul…
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…es on AMD64

MOVBstore's value argument is a value, not a flag. We are storing
a byte so just use UInt8.

Fixes #31915.

Change-Id: Id799e5f44efc3a9c3d8480f6f25ad032c2a631bb
Reviewed-on: https://go-review.googlesource.com/c/go/+/176719
Run-TryBot: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
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@cherrymui
cherrymui committed May 13, 2019
1 parent 6ca324f commit 23f3ea8
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Showing 3 changed files with 342 additions and 309 deletions.
118 changes: 59 additions & 59 deletions src/cmd/compile/internal/ssa/gen/AMD64.rules
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Original file line number Diff line number Diff line change
Expand Up @@ -1369,65 +1369,65 @@
((SETNE|SETG|SETGE|SETA|SETAE) (FlagGT_UGT)) -> (MOVLconst [1])
((SETEQ|SETL|SETLE|SETB|SETBE) (FlagGT_UGT)) -> (MOVLconst [0])

(SETEQstore [off] {sym} ptr x:(FlagEQ) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)
(SETEQstore [off] {sym} ptr x:(FlagLT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)
(SETEQstore [off] {sym} ptr x:(FlagLT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)
(SETEQstore [off] {sym} ptr x:(FlagGT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)
(SETEQstore [off] {sym} ptr x:(FlagGT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)

(SETNEstore [off] {sym} ptr x:(FlagEQ) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)
(SETNEstore [off] {sym} ptr x:(FlagLT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)
(SETNEstore [off] {sym} ptr x:(FlagLT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)
(SETNEstore [off] {sym} ptr x:(FlagGT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)
(SETNEstore [off] {sym} ptr x:(FlagGT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)

(SETLstore [off] {sym} ptr x:(FlagEQ) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)
(SETLstore [off] {sym} ptr x:(FlagLT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)
(SETLstore [off] {sym} ptr x:(FlagLT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)
(SETLstore [off] {sym} ptr x:(FlagGT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)
(SETLstore [off] {sym} ptr x:(FlagGT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)

(SETLEstore [off] {sym} ptr x:(FlagEQ) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)
(SETLEstore [off] {sym} ptr x:(FlagLT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)
(SETLEstore [off] {sym} ptr x:(FlagLT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)
(SETLEstore [off] {sym} ptr x:(FlagGT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)
(SETLEstore [off] {sym} ptr x:(FlagGT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)

(SETGstore [off] {sym} ptr x:(FlagEQ) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)
(SETGstore [off] {sym} ptr x:(FlagLT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)
(SETGstore [off] {sym} ptr x:(FlagLT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)
(SETGstore [off] {sym} ptr x:(FlagGT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)
(SETGstore [off] {sym} ptr x:(FlagGT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)

(SETGEstore [off] {sym} ptr x:(FlagEQ) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)
(SETGEstore [off] {sym} ptr x:(FlagLT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)
(SETGEstore [off] {sym} ptr x:(FlagLT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)
(SETGEstore [off] {sym} ptr x:(FlagGT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)
(SETGEstore [off] {sym} ptr x:(FlagGT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)

(SETBstore [off] {sym} ptr x:(FlagEQ) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)
(SETBstore [off] {sym} ptr x:(FlagLT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)
(SETBstore [off] {sym} ptr x:(FlagLT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)
(SETBstore [off] {sym} ptr x:(FlagGT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)
(SETBstore [off] {sym} ptr x:(FlagGT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)

(SETBEstore [off] {sym} ptr x:(FlagEQ) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)
(SETBEstore [off] {sym} ptr x:(FlagLT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)
(SETBEstore [off] {sym} ptr x:(FlagLT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)
(SETBEstore [off] {sym} ptr x:(FlagGT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)
(SETBEstore [off] {sym} ptr x:(FlagGT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)

(SETAstore [off] {sym} ptr x:(FlagEQ) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)
(SETAstore [off] {sym} ptr x:(FlagLT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)
(SETAstore [off] {sym} ptr x:(FlagLT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)
(SETAstore [off] {sym} ptr x:(FlagGT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)
(SETAstore [off] {sym} ptr x:(FlagGT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)

(SETAEstore [off] {sym} ptr x:(FlagEQ) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)
(SETAEstore [off] {sym} ptr x:(FlagLT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)
(SETAEstore [off] {sym} ptr x:(FlagLT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)
(SETAEstore [off] {sym} ptr x:(FlagGT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [0]) mem)
(SETAEstore [off] {sym} ptr x:(FlagGT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <x.Type> [1]) mem)
(SETEQstore [off] {sym} ptr (FlagEQ) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)
(SETEQstore [off] {sym} ptr (FlagLT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)
(SETEQstore [off] {sym} ptr (FlagLT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)
(SETEQstore [off] {sym} ptr (FlagGT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)
(SETEQstore [off] {sym} ptr (FlagGT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)

(SETNEstore [off] {sym} ptr (FlagEQ) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)
(SETNEstore [off] {sym} ptr (FlagLT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)
(SETNEstore [off] {sym} ptr (FlagLT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)
(SETNEstore [off] {sym} ptr (FlagGT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)
(SETNEstore [off] {sym} ptr (FlagGT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)

(SETLstore [off] {sym} ptr (FlagEQ) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)
(SETLstore [off] {sym} ptr (FlagLT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)
(SETLstore [off] {sym} ptr (FlagLT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)
(SETLstore [off] {sym} ptr (FlagGT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)
(SETLstore [off] {sym} ptr (FlagGT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)

(SETLEstore [off] {sym} ptr (FlagEQ) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)
(SETLEstore [off] {sym} ptr (FlagLT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)
(SETLEstore [off] {sym} ptr (FlagLT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)
(SETLEstore [off] {sym} ptr (FlagGT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)
(SETLEstore [off] {sym} ptr (FlagGT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)

(SETGstore [off] {sym} ptr (FlagEQ) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)
(SETGstore [off] {sym} ptr (FlagLT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)
(SETGstore [off] {sym} ptr (FlagLT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)
(SETGstore [off] {sym} ptr (FlagGT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)
(SETGstore [off] {sym} ptr (FlagGT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)

(SETGEstore [off] {sym} ptr (FlagEQ) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)
(SETGEstore [off] {sym} ptr (FlagLT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)
(SETGEstore [off] {sym} ptr (FlagLT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)
(SETGEstore [off] {sym} ptr (FlagGT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)
(SETGEstore [off] {sym} ptr (FlagGT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)

(SETBstore [off] {sym} ptr (FlagEQ) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)
(SETBstore [off] {sym} ptr (FlagLT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)
(SETBstore [off] {sym} ptr (FlagLT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)
(SETBstore [off] {sym} ptr (FlagGT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)
(SETBstore [off] {sym} ptr (FlagGT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)

(SETBEstore [off] {sym} ptr (FlagEQ) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)
(SETBEstore [off] {sym} ptr (FlagLT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)
(SETBEstore [off] {sym} ptr (FlagLT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)
(SETBEstore [off] {sym} ptr (FlagGT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)
(SETBEstore [off] {sym} ptr (FlagGT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)

(SETAstore [off] {sym} ptr (FlagEQ) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)
(SETAstore [off] {sym} ptr (FlagLT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)
(SETAstore [off] {sym} ptr (FlagLT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)
(SETAstore [off] {sym} ptr (FlagGT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)
(SETAstore [off] {sym} ptr (FlagGT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)

(SETAEstore [off] {sym} ptr (FlagEQ) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)
(SETAEstore [off] {sym} ptr (FlagLT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)
(SETAEstore [off] {sym} ptr (FlagLT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)
(SETAEstore [off] {sym} ptr (FlagGT_ULT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [0]) mem)
(SETAEstore [off] {sym} ptr (FlagGT_UGT) mem) -> (MOVBstore [off] {sym} ptr (MOVLconst <typ.UInt8> [1]) mem)

// Remove redundant *const ops
(ADDQconst [0] x) -> x
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