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| author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2013-02-03 17:17:47 (GMT) |
|---|---|---|
| committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2013-02-03 17:17:47 (GMT) |
| commit | 3c3f3d4561fe16f54fc6ded233112c6040ab5e77 (patch) | |
| tree | 85ae40b56e9038a7a38c1898d87851171e1174ea /unix/tclUnixCompat.c | |
| parent | 1d5118fd6cf705d79ec670284492d9eff6637965 (diff) | |
| parent | b0bf6914f1e11ba4b7a127dcda5cd48f96976a33 (diff) | |
| download | tcl-3c3f3d4561fe16f54fc6ded233112c6040ab5e77.zip tcl-3c3f3d4561fe16f54fc6ded233112c6040ab5e77.tar.gz tcl-3c3f3d4561fe16f54fc6ded233112c6040ab5e77.tar.bz2 | |
merge novem
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; |