diff options
Diffstat (limited to 'pm_config.in.h')
| -rw-r--r-- | pm_config.in.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/pm_config.in.h b/pm_config.in.h index f6847731..69f4b4a0 100644 --- a/pm_config.in.h +++ b/pm_config.in.h @@ -212,7 +212,12 @@ */ #ifndef HAVE_GCC_SSE2 -#if GCCVERSION >=401 && defined(__SSE__) && defined(__SSE2__) +/* GCC 4.1 ostensibly has the feature, but experiments with 4.1.2 and + 4.1.2 in May 2010 exposed an obscure compiler bug and the compiler got + stock with pamflip_sse.c. So we say the feature exists only on 4.2 + and up. +*/ +#if GCCVERSION >=402 && defined(__SSE__) && defined(__SSE2__) #define HAVE_GCC_SSE2 1 #else #define HAVE_GCC_SSE2 0 |