Don't fast-isel an x87 comparison opcode, as fast-isel doesn't

support branching on x87 comparisons yet. This fixes PR7624.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108149 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86FastISel.cpp b/lib/Target/X86/X86FastISel.cpp
index b7b300174ed27ff73391fbfc6eda3202c6a5c518..cdde24a156d0da19443d684b19a583d0b0f203bd 100644 (file)
--- a/lib/Target/X86/X86FastISel.cpp
+++ b/lib/Target/X86/X86FastISel.cpp
@@ -798,8 +798,8 @@ static unsigned X86ChooseCmpOpcode(EVT VT, const X86Subtarget *Subtarget) {
   case MVT::i16: return X86::CMP16rr;
   case MVT::i32: return X86::CMP32rr;
   case MVT::i64: return X86::CMP64rr;
-  case MVT::f32: return Subtarget->hasSSE1() ? X86::UCOMISSrr : X86::UCOM_Fpr32;
-  case MVT::f64: return Subtarget->hasSSE2() ? X86::UCOMISDrr : X86::UCOM_Fpr64;
+  case MVT::f32: return Subtarget->hasSSE1() ? X86::UCOMISSrr : 0;
+  case MVT::f64: return Subtarget->hasSSE2() ? X86::UCOMISDrr : 0;
   }
 }