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stub for SSE4.1 support.

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Change-Id: I0c845a98d2871cc8907ff7b914bab7747a92c7ed
This commit is contained in:
Pascal Massimino
2015-03-19 13:18:59 -07:00
committed by James Zern
parent 4a95384b34
commit e9570dd987
8 changed files with 79 additions and 2 deletions
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11
configure.ac
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@ -97,6 +97,17 @@ AS_IF([test -n "$AVX2_FLAGS"], [
CFLAGS=$SAVED_CFLAGS])
AC_SUBST([AVX2_FLAGS])
TEST_AND_ADD_CFLAGS([SSE41_FLAGS], [-msse4.1])
AS_IF([test -n "$SSE41_FLAGS"], [
SAVED_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS $SSE41_FLAGS"
AC_CHECK_HEADER([smmintrin.h],
[AC_DEFINE(WEBP_HAVE_SSE41, [1],
[Set to 1 if SSE4.1 is supported])],
[SSE41_FLAGS=""])
CFLAGS=$SAVED_CFLAGS])
AC_SUBST([SSE41_FLAGS])
TEST_AND_ADD_CFLAGS([SSE2_FLAGS], [-msse2])
AS_IF([test -n "$SSE2_FLAGS"], [
SAVED_CFLAGS=$CFLAGS