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[X86] Fix a bug in LOCK arithmetic operation pattern matching where the wrong immediate predicate check was being used for 64-bit instructions with 8-bit immediates.

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This didn't cause a bug because the order of the patterns ensured that the 64-bit instructions with 32-bit immediates were selected first.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@268212 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2016-05-02 05:44:21 +00:00
parent b82d79cb21
commit a926dab069
1 changed files with 1 additions and 1 deletions
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lib/Target/X86/X86InstrCompiler.td
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@ -671,7 +671,7 @@ def NAME#64mi8 : RIi8<{ImmOpc8{7}, ImmOpc8{6}, ImmOpc8{5}, ImmOpc8{4},
ImmMod, (outs), (ins i64mem :$dst, i64i8imm :$src2),
!strconcat(mnemonic, "{q}\t",
"{$src2, $dst|$dst, $src2}"),
[(set EFLAGS, (Op addr:$dst, i64immSExt32:$src2))],
[(set EFLAGS, (Op addr:$dst, i64immSExt8:$src2))],
IIC_ALU_MEM>, LOCK;
}