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| author | Juergen Ributzka <juergen@apple.com> | 2014-06-23 21:55:36 +0000 |
|---|---|---|
| committer | Juergen Ributzka <juergen@apple.com> | 2014-06-23 21:55:36 +0000 |
| commit | 5f4e6e1ec0154137efb15ea497ebd8cbe1850ea3 (patch) | |
| tree | a0cd63f7f0967b2f2ac09a04621e8d63c09e8ca8 /lib/Target/X86/X86InstrInfo.cpp | |
| parent | 1f659329b63aa1d1af2b2bfc8b174a8ccdaba2c0 (diff) | |
| download | llvm-5f4e6e1ec0154137efb15ea497ebd8cbe1850ea3.tar.gz llvm-5f4e6e1ec0154137efb15ea497ebd8cbe1850ea3.tar.bz2 llvm-5f4e6e1ec0154137efb15ea497ebd8cbe1850ea3.tar.xz | |
[FastISel][X86] Optimize selects when the condition comes from a compare.
Optimize the select instructions sequence to use the EFLAGS directly from a
compare when possible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211543 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86InstrInfo.cpp')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp index bfc8e2759d..0797fc6041 100644 --- a/lib/Target/X86/X86InstrInfo.cpp +++ b/lib/Target/X86/X86InstrInfo.cpp @@ -2696,8 +2696,8 @@ unsigned X86::getSETFromCond(CondCode CC, bool HasMemoryOperand) { /// getCMovFromCond - Return a cmov opcode for the given condition, /// register size in bytes, and operand type. -static unsigned getCMovFromCond(X86::CondCode CC, unsigned RegBytes, - bool HasMemoryOperand) { +unsigned X86::getCMovFromCond(CondCode CC, unsigned RegBytes, + bool HasMemoryOperand) { static const uint16_t Opc[32][3] = { { X86::CMOVA16rr, X86::CMOVA32rr, X86::CMOVA64rr }, { X86::CMOVAE16rr, X86::CMOVAE32rr, X86::CMOVAE64rr }, |