From 59498fa94e044604ace91a0f7dc06e8740e6cf9b Mon Sep 17 00:00:00 2001 From: giraffedata Date: Sun, 20 Oct 2013 20:00:51 +0000 Subject: Use interface for MMX SSE instrinsics instead of GCC-specific verisons git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@2022 9d0c8265-081b-0410-96cb-a4ca84ce46f8 --- config.mk.in | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'config.mk.in') diff --git a/config.mk.in b/config.mk.in index 3873ba19..9197e956 100644 --- a/config.mk.in +++ b/config.mk.in @@ -89,6 +89,14 @@ INTTYPES_H = HAVE_INT64 = Y #HAVE_INT64 = N +# WANT_MMX tells whether the build should use MMX instructions, via the the +# standard MMX intrinsics (operators such as '_mm_movemask_epi8'). MMX +# instructions are faster than traditional instructions, but aren't available +# on all CPUs. Also, the standard intrinsics are not available in all +# compilers. +WANT_MMX = N +#WANT_MMX = Y + # CC and LD are for building the Netpbm programs, which are not necessarily # intended to run on the same system on which Make is running. But when we # build a build tool such as Libopt, it is meant to run only on the same -- cgit 1.4.1