From bec58d8137ebc0f5cfb85af2b9b19345d98e8fda Mon Sep 17 00:00:00 2001 From: DRC Date: Fri, 3 Apr 2009 11:27:17 +0000 Subject: [PATCH] Add environment variables to force MMX/SSE2 code path selection git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@3743 3789f03b-4d11-0410-bbf8-ca57d06f2519 --- common/jpeg/jsimd.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/common/jpeg/jsimd.c b/common/jpeg/jsimd.c index 32489116..7f81ddad 100644 --- a/common/jpeg/jsimd.c +++ b/common/jpeg/jsimd.c @@ -40,11 +40,18 @@ static unsigned int simd_support = ~0; LOCAL(void) init_simd (void) { +#ifdef WITH_SIMD + char *env = NULL; +#endif if (simd_support != ~0) return; #ifdef WITH_SIMD simd_support = jpeg_simd_cpu_support(); + if((env=getenv("JSIMD_FORCEMMX"))!=NULL && !strcmp(env, "1")) + simd_support = JSIMD_MMX; + else if((env=getenv("JSIMD_FORCESSE2"))!=NULL && !strcmp(env, "1")) + simd_support = JSIMD_SSE2; #else simd_support = JSIMD_NONE; #endif -- 2.39.5