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-rw-r--r--unix/tclUnixCompat.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/unix/tclUnixCompat.c b/unix/tclUnixCompat.c
index e201018..c1e1075 100644
--- a/unix/tclUnixCompat.c
+++ b/unix/tclUnixCompat.c
@@ -995,12 +995,11 @@ TclWinCPUID(
/* See: <http://en.wikipedia.org/wiki/CPUID> */
#if defined(HAVE_CPUID)
- __asm__ __volatile__("mov %%ebx, %%edi \n\t" /* save %ebx */
+ __asm__ __volatile__("mov %%ebx, %%esi \n\t" /* save %ebx */
"cpuid \n\t"
- "mov %%ebx, %%esi \n\t" /* save what cpuid just put in %ebx */
- "mov %%edi, %%ebx \n\t" /* restore the old %ebx */
+ "xchg %%esi, %%ebx \n\t" /* restore the old %ebx */
: "=a"(regsPtr[0]), "=S"(regsPtr[1]), "=c"(regsPtr[2]), "=d"(regsPtr[3])
- : "a"(index) : "edi");
+ : "a"(index));
status = TCL_OK;
#endif
return status;