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author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2010-05-27 15:16:26 +0000 |
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committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2010-05-27 15:16:26 +0000 |
commit | 28f39a65360c20f04fc16873a8adb599d6cfae57 (patch) | |
tree | 7823c7e411b20e5c43a2b00da6be963681776c89 | |
parent | 09203646ad7a6e2903894031433dab8699240f04 (diff) | |
download | netpbm-mirror-28f39a65360c20f04fc16873a8adb599d6cfae57.tar.gz netpbm-mirror-28f39a65360c20f04fc16873a8adb599d6cfae57.tar.xz netpbm-mirror-28f39a65360c20f04fc16873a8adb599d6cfae57.zip |
Assert Gcc 4.1 doesn't have SSE2 direct access, because it has bugs
git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@1226 9d0c8265-081b-0410-96cb-a4ca84ce46f8
-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 |