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X86: smulo -> add is now done target-independently in DAGCombiner, remove the patterns.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131801 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2011-05-21 18:32:01 +00:00
parent f55d26e788
commit b22da2a72c
1 changed files with 0 additions and 6 deletions
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6
lib/Target/X86/X86InstrCompiler.td
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@ -1524,12 +1524,6 @@ def : Pat<(mul (loadi16 addr:$src1), i16immSExt8:$src2),
def : Pat<(mul (loadi32 addr:$src1), i32immSExt8:$src2),
(IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
// Optimize multiply by 2 with EFLAGS result.
let AddedComplexity = 2 in {
def : Pat<(X86smul_flag GR16:$src1, 2), (ADD16rr GR16:$src1, GR16:$src1)>;
def : Pat<(X86smul_flag GR32:$src1, 2), (ADD32rr GR32:$src1, GR32:$src1)>;
}
// Patterns for nodes that do not produce flags, for instructions that do.
// addition