commit 3cfe51b686ca553a471dd9d7163b52d4059d6939
author Chris Lattner <sabre@nondot.org> Mon Sep 24 05:27:37 2007 +0000
committer Chris Lattner <sabre@nondot.org> Mon Sep 24 05:27:37 2007 +0000
tree 4c1b6e66ccc3d2f4a421348c2b461789d3364ef3
parent b3876c7446db98320b97310e61259b92267f5d82

claim that "st" is from the 80-bit register file.  This causes x87-using inline
asm to die with:

ScheduleDAG.cpp:269: failed assertion `false && "Couldn't find the register class"'

instead of:
failed assertion `RegMap->getRegClass(VReg) == RC && "Register class of operand and regclass of use don't agree!"'

yay.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42259 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/X86ISelLowering.cpp

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index e52b653..1e5e478 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -5279,7 +5279,7 @@
     // GCC calls "st(0)" just plain "st".
     if (StringsEqualNoCase("{st}", Constraint)) {
       Res.first = X86::ST0;
-      Res.second = X86::RSTRegisterClass;
+      Res.second = X86::RFP80RegisterClass;
     }
 
     return Res;