Changes in directory llvm/lib/Target/X86:
X86Subtarget.cpp updated: 1.38 -> 1.39
---
Log message:
Use movl+xchgl instead of pushl+popl.
---
Diffs of the changes: (+2 -3)
X86Subtarget.cpp | 5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)
Index: llvm/lib/Target/X86/X86Subtarget.cpp
diff -u llvm/lib/Target/X86/X86Subtarget.cpp:1.38
llvm/lib/Target/X86/X86Subtarget.cpp:1.39
--- llvm/lib/Target/X86/X86Subtarget.cpp:1.38 Mon Oct 16 19:24:49 2006
+++ llvm/lib/Target/X86/X86Subtarget.cpp Wed Nov 8 14:35:37 2006
@@ -44,10 +44,9 @@
return false;
#elif defined(i386) || defined(__i386__) || defined(__x86__) ||
defined(_M_IX86)
#if defined(__GNUC__)
- asm ("pushl\t%%ebx\n\t"
+ asm ("movl\t%%ebx, %%esi\n\t"
"cpuid\n\t"
- "movl\t%%ebx, %%esi\n\t"
- "popl\t%%ebx"
+ "xchgl\t%%ebx, %%esi\n\t"
: "=a" (*rEAX),
"=S" (*rEBX),
"=c" (*rECX),
_______________________________________________
llvm-commits mailing list
llvm-commits@cs.uiuc.edu
http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
