summaryrefslogtreecommitdiff
path: root/src/gallium/auxiliary
diff options
context:
space:
mode:
authorJosé Fonseca <jfonseca@vmware.com>2009-10-09 13:22:42 +0100
committerJosé Fonseca <jfonseca@vmware.com>2009-10-09 13:22:42 +0100
commitc595dea23c6e77dc5d44a7f4b86916b72e09f970 (patch)
treeb3c9fb25d90594da79910261bef89195a17740b5 /src/gallium/auxiliary
parent69588d7ed59a019a5272a9cc391e30c47d006aee (diff)
util: Force ESI register for cpuid's ebx result.
Fixes a segfault and better code. Unfortunately using an arbitrary register ("=r") causes the gcc to abort when the code is optimized saying it can't satisfy the constraint. Setting seems to do the trick.
Diffstat (limited to 'src/gallium/auxiliary')
-rw-r--r--src/gallium/auxiliary/util/u_cpu_detect.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/util/u_cpu_detect.c b/src/gallium/auxiliary/util/u_cpu_detect.c
index 70ce25cfcf..ded361ce70 100644
--- a/src/gallium/auxiliary/util/u_cpu_detect.c
+++ b/src/gallium/auxiliary/util/u_cpu_detect.c
@@ -346,7 +346,7 @@ cpuid(uint32_t ax, uint32_t *p)
"cpuid\n\t"
"xchgl %%ebx, %1"
: "=a" (p[0]),
- "=m" (p[1]),
+ "=S" (p[1]),
"=c" (p[2]),
"=d" (p[3])
: "0" (ax)