[llvm-commits] CVS: llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp

[Chris Lattner]

Changes in directory llvm/lib/Target/PowerPC:

PPCRegisterInfo.cpp updated: 1.65 -> 1.66
---
Log message:

Fix the PowerPC JIT-only failure on UnitTests/Vector/sumarray-dbl, which is
really a bad codegen bug that LLC happens to get lucky with. I must chat with
Nate for the proper fix.


---
Diffs of the changes:  (+2 -2)

 PPCRegisterInfo.cpp |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)


Index: llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp
diff -u llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp:1.65 llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp:1.66
--- llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp:1.65	Thu May  4 12:52:23 2006
+++ llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp	Wed May 10 01:38:32 2006
@@ -506,11 +506,11 @@
   // If there is a preferred stack alignment, align R1 now
   if (MaxAlign > TargetAlign) {
     assert(isPowerOf2_32(MaxAlign) && MaxAlign < 32767 && "Invalid alignment!");
-    assert(isInt16(MaxAlign-NumBytes) && "Unhandled stack size and alignment!");
+    assert(isInt16(0-NumBytes) && "Unhandled stack size and alignment!");
     BuildMI(MBB, MBBI, PPC::RLWINM, 4, PPC::R0)
       .addReg(PPC::R1).addImm(0).addImm(32-Log2_32(MaxAlign)).addImm(31);
     BuildMI(MBB, MBBI, PPC::SUBFIC,2,PPC::R0).addReg(PPC::R0)
-      .addImm(MaxAlign-NumBytes);
+      .addImm(0-NumBytes);
     BuildMI(MBB, MBBI, PPC::STWUX, 3)
       .addReg(PPC::R1).addReg(PPC::R1).addReg(PPC::R0);
   } else if (NumBytes <= 32768) {