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Add truncstore i1 patterns.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25296 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-01-13 21:45:19 +00:00
parent 5522037136
commit b8414333ac
1 changed files with 5 additions and 0 deletions
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5
lib/Target/X86/X86InstrInfo.td
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@ -2988,6 +2988,11 @@ def : Pat<(X86subflag R32:$src1, imm:$src2),
def : Pat<(X86subflag R32:$src1, i32immSExt8:$src2),
(SUB32ri8 R32:$src1, i32immSExt8:$src2)>;
def : Pat<(truncstore (i8 imm:$src), addr:$dst, i1),
(MOV8mi addr:$dst, imm:$src)>;
def : Pat<(truncstore R8:$src, addr:$dst, i1),
(MOV8mr addr:$dst, R8:$src)>;
// {s|z}extload bool -> {s|z}extload byte
def : Pat<(sextloadi16i1 addr:$src), (MOVSX16rm8 addr:$src)>;
def : Pat<(sextloadi32i1 addr:$src), (MOVSX32rm8 addr:$src)>;