commit 133dbb128501f7006a533678261dd8e0debc663c
author Chris Lattner <sabre@nondot.org> Mon Apr 12 03:02:48 2004 +0000
committer Chris Lattner <sabre@nondot.org> Mon Apr 12 03:02:48 2004 +0000
tree 9b766c2ede255a5f08ade24b732c3e8e33d249ee
parent 284b496aaeb959d382b2410e4bd21fb6e0c694bb

Fix issues that the local allocator has dealing with instructions that implicitly use ST(0)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12855 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/InstSelectSimple.cpp

diff --git a/lib/Target/X86/InstSelectSimple.cpp b/lib/Target/X86/InstSelectSimple.cpp
index c8802ed..23401f6 100644
--- a/lib/Target/X86/InstSelectSimple.cpp
+++ b/lib/Target/X86/InstSelectSimple.cpp
@@ -934,7 +934,7 @@
       BuildMI(*MBB, IP, X86::FNSTSW8r, 0);
       BuildMI(*MBB, IP, X86::SAHF, 1);
     } else {
-      BuildMI(*MBB, IP, X86::FUCOMIr, 2).addReg(Op0r).addReg(Op1r);
+      BuildMI(*MBB, IP, X86::FpUCOMI, 2).addReg(Op0r).addReg(Op1r);
     }
     break;
 
@@ -1774,6 +1774,10 @@
     case Instruction::Call:
     case Instruction::Invoke:
       return false;
+    case Instruction::Load:
+      if (cast<LoadInst>(It)->isVolatile() && LI.isVolatile())
+        return false;
+      break;
     }
   }
   return true;