[llvm-commits] CVS: llvm/lib/Target/X86/FloatingPoint.cpp

[Chris Lattner]

Changes in directory llvm/lib/Target/X86:

FloatingPoint.cpp updated: 1.27 -> 1.28

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Log message:

Relax assertion to make this function work with a broader class of instructions


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Diffs of the changes:  (+8 -2)

Index: llvm/lib/Target/X86/FloatingPoint.cpp
diff -u llvm/lib/Target/X86/FloatingPoint.cpp:1.27 llvm/lib/Target/X86/FloatingPoint.cpp:1.28
--- llvm/lib/Target/X86/FloatingPoint.cpp:1.27	Wed Mar 31 22:06:09 2004
+++ llvm/lib/Target/X86/FloatingPoint.cpp	Sun Apr 11 15:21:06 2004
@@ -449,11 +449,17 @@
 }
 
 
-/// handleOneArgFPRW - fchs - ST(0) = -ST(0)
+/// handleOneArgFPRW: Handle instructions that read from the top of stack and
+/// replace the value with a newly computed value.  These instructions may have
+/// non-fp operands after their FP operands.
+///
+///  Examples:
+///     R1 = fchs R2
+///     R1 = fadd R2, [mem]
 ///
 void FPS::handleOneArgFPRW(MachineBasicBlock::iterator &I) {
   MachineInstr *MI = I;
-  assert(MI->getNumOperands() == 2 && "Can only handle fst* instructions!");
+  assert(MI->getNumOperands() >= 2 && "FPRW instructions must have 2 ops!!");
 
   // Is this the last use of the source register?
   unsigned Reg = getFPReg(MI->getOperand(1));