diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-07-11 16:22:13 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-07-11 16:22:13 +0000 |
| commit | 75be45cb2ef637f62744a5ac114a5029c5b41503 (patch) | |
| tree | a60a1b6df85ec5dc1907e3eb80d6bda987b03176 /lib/Target/X86/X86FastISel.cpp | |
| parent | c5080ba0c8278fba57efe605560d1f16a7a9e973 (diff) | |
| download | external_llvm-75be45cb2ef637f62744a5ac114a5029c5b41503.zip external_llvm-75be45cb2ef637f62744a5ac114a5029c5b41503.tar.gz external_llvm-75be45cb2ef637f62744a5ac114a5029c5b41503.tar.bz2 | |
Avoid SSE instructions in FastIsel when it is not available.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108091 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86FastISel.cpp')
| -rw-r--r-- | lib/Target/X86/X86FastISel.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/Target/X86/X86FastISel.cpp b/lib/Target/X86/X86FastISel.cpp index ce2517a..b7b3001 100644 --- a/lib/Target/X86/X86FastISel.cpp +++ b/lib/Target/X86/X86FastISel.cpp @@ -791,15 +791,15 @@ bool X86FastISel::X86SelectLoad(const Instruction *I) { return false; } -static unsigned X86ChooseCmpOpcode(EVT VT) { +static unsigned X86ChooseCmpOpcode(EVT VT, const X86Subtarget *Subtarget) { switch (VT.getSimpleVT().SimpleTy) { default: return 0; case MVT::i8: return X86::CMP8rr; case MVT::i16: return X86::CMP16rr; case MVT::i32: return X86::CMP32rr; case MVT::i64: return X86::CMP64rr; - case MVT::f32: return X86::UCOMISSrr; - case MVT::f64: return X86::UCOMISDrr; + case MVT::f32: return Subtarget->hasSSE1() ? X86::UCOMISSrr : X86::UCOM_Fpr32; + case MVT::f64: return Subtarget->hasSSE2() ? X86::UCOMISDrr : X86::UCOM_Fpr64; } } @@ -843,7 +843,7 @@ bool X86FastISel::X86FastEmitCompare(const Value *Op0, const Value *Op1, } } - unsigned CompareOpc = X86ChooseCmpOpcode(VT); + unsigned CompareOpc = X86ChooseCmpOpcode(VT, Subtarget); if (CompareOpc == 0) return false; unsigned Op1Reg = getRegForValue(Op1); |