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| author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2013-01-29 08:14:41 (GMT) |
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| committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2013-01-29 08:14:41 (GMT) |
| commit | 330e115d111796221e3560e558e531eae5e28b25 (patch) | |
| tree | c27aad017d3cb9d2f5f651836bf8274157a1f0f1 /unix/tclUnixCompat.c | |
| parent | 03c4df2e30d98d74775a50ee28ce007ae6b41d87 (diff) | |
| parent | e87a46437e8af4a32cc019d999a97ff95bfd2d35 (diff) | |
| download | tcl-330e115d111796221e3560e558e531eae5e28b25.zip tcl-330e115d111796221e3560e558e531eae5e28b25.tar.gz tcl-330e115d111796221e3560e558e531eae5e28b25.tar.bz2 | |
merge trunk
Diffstat (limited to 'unix/tclUnixCompat.c')
| -rw-r--r-- | unix/tclUnixCompat.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/unix/tclUnixCompat.c b/unix/tclUnixCompat.c index f8f0080..e5929ba 100644 --- a/unix/tclUnixCompat.c +++ b/unix/tclUnixCompat.c @@ -993,11 +993,19 @@ TclWinCPUID( /* See: <http://en.wikipedia.org/wiki/CPUID> */ #if defined(HAVE_CPUID) +#if defined(__x86_64__) || defined(_M_AMD64) || defined (_M_X64) + __asm__ __volatile__("movq %%rbx, %%rsi \n\t" /* save %rbx */ + "cpuid \n\t" + "xchgq %%rsi, %%rbx \n\t" /* restore the old %rbx */ + : "=a"(regsPtr[0]), "=S"(regsPtr[1]), "=c"(regsPtr[2]), "=d"(regsPtr[3]) + : "a"(index)); +#else __asm__ __volatile__("mov %%ebx, %%esi \n\t" /* save %ebx */ "cpuid \n\t" "xchg %%esi, %%ebx \n\t" /* restore the old %ebx */ : "=a"(regsPtr[0]), "=S"(regsPtr[1]), "=c"(regsPtr[2]), "=d"(regsPtr[3]) : "a"(index)); +#endif status = TCL_OK; #endif return status; |