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| author | Evan Cheng <evan.cheng@apple.com> | 2006-11-08 20:35:37 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2006-11-08 20:35:37 +0000 |
| commit | 3b3b786f03f9a060aec8a0e87adaff9f974b7f61 (patch) | |
| tree | 01eee7b42f71725af73739e805da5db71ff6ce50 /llvm/lib/Target/X86/X86Subtarget.cpp | |
| parent | 6cd0909da7e6847f6f4cf890fb0ebcb3b33556a0 (diff) | |
| download | bcm5719-llvm-3b3b786f03f9a060aec8a0e87adaff9f974b7f61.tar.gz bcm5719-llvm-3b3b786f03f9a060aec8a0e87adaff9f974b7f61.zip | |
Use movl+xchgl instead of pushl+popl.
llvm-svn: 31572
Diffstat (limited to 'llvm/lib/Target/X86/X86Subtarget.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86Subtarget.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/llvm/lib/Target/X86/X86Subtarget.cpp b/llvm/lib/Target/X86/X86Subtarget.cpp index 804ba39f69a..3ac8a38b314 100644 --- a/llvm/lib/Target/X86/X86Subtarget.cpp +++ b/llvm/lib/Target/X86/X86Subtarget.cpp @@ -44,10 +44,9 @@ bool X86::GetCpuIDAndInfo(unsigned value, unsigned *rEAX, unsigned *rEBX, 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), |
