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dnl as-intrinsics.m4 0.1.0
dnl autostars m4 macro for detection of gcc inline assembly
dnl David Schleef <ds@schleef.org>
dnl $Id: as-intrinsics.m4,v 1.5 2006-05-19 06:58:29 ds Exp $
dnl AS_MMX_INTRINSICS(CFLAGS, ACTION-IF-ACCEPTED, [ACTION-IF-NOT-ACCEPTED])
dnl Tries to compile with the given CFLAGS.
dnl Runs ACTION-IF-ACCEPTED if the compiler can compile with the flags,
dnl and ACTION-IF-NOT-ACCEPTED otherwise.
AC_DEFUN([AS_MMX_INTRINSICS],
[
AC_MSG_CHECKING([if compiler supports MMX intrinsics])
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -mmmx"
AC_TRY_COMPILE([#include <mmintrin.h>], [_mm_empty()], [flag_ok=yes], [flag_ok=no])
CFLAGS="$save_CFLAGS"
$1="-mmmx"
if test "X$flag_ok" = Xyes ; then
$2
true
else
$3
true
fi
AC_MSG_RESULT([$flag_ok])
])
dnl AS_SSE_INTRINSICS(CFLAGS, ACTION-IF-ACCEPTED, [ACTION-IF-NOT-ACCEPTED])
dnl Tries to compile with the given CFLAGS.
dnl Runs ACTION-IF-ACCEPTED if the compiler can compile with the flags,
dnl and ACTION-IF-NOT-ACCEPTED otherwise.
AC_DEFUN([AS_SSE_INTRINSICS],
[
AC_MSG_CHECKING([if compiler supports SSE intrinsics])
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -msse"
AC_TRY_COMPILE([#include <xmmintrin.h>], [__m128 a; a = _mm_or_ps(a,a)], [flag_ok=yes], [flag_ok=no])
CFLAGS="$save_CFLAGS"
$1="-msse"
if test "X$flag_ok" = Xyes ; then
$2
true
else
$3
true
fi
AC_MSG_RESULT([$flag_ok])
])
dnl AS_SSE2_INTRINSICS(CFLAGS, ACTION-IF-ACCEPTED, [ACTION-IF-NOT-ACCEPTED])
dnl Tries to compile with the given CFLAGS.
dnl Runs ACTION-IF-ACCEPTED if the compiler can compile with the flags,
dnl and ACTION-IF-NOT-ACCEPTED otherwise.
AC_DEFUN([AS_SSE2_INTRINSICS],
[
AC_MSG_CHECKING([if compiler supports SSE2 intrinsics])
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -msse2"
AC_TRY_COMPILE([#include <emmintrin.h>], [__m128i a; a = _mm_setzero_si128(); a = _mm_srli_epi16(a,8)], [flag_ok=yes], [flag_ok=no])
CFLAGS="$save_CFLAGS"
$1="-msse2"
if test "X$flag_ok" = Xyes ; then
$2
true
else
$3
true
fi
AC_MSG_RESULT([$flag_ok])
])
dnl AS_SSE3_INTRINSICS(CFLAGS, ACTION-IF-ACCEPTED, [ACTION-IF-NOT-ACCEPTED])
dnl Tries to compile with the given CFLAGS.
dnl Runs ACTION-IF-ACCEPTED if the compiler can compile with the flags,
dnl and ACTION-IF-NOT-ACCEPTED otherwise.
AC_DEFUN([AS_SSE3_INTRINSICS],
[
AC_MSG_CHECKING([if compiler supports SSE3 intrinsics])
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -msse3"
AC_TRY_COMPILE([#include <pmmintrin.h>], [__m128 a; a = _mm_addsub_ps(a,a)], [flag_ok=yes], [flag_ok=no])
CFLAGS="$save_CFLAGS"
$1="-msse3"
if test "X$flag_ok" = Xyes ; then
$2
true
else
$3
true
fi
AC_MSG_RESULT([$flag_ok])
])
dnl AS_3DNOW_INTRINSICS(CFLAGS, ACTION-IF-ACCEPTED, [ACTION-IF-NOT-ACCEPTED])
dnl Tries to compile with the given CFLAGS.
dnl Runs ACTION-IF-ACCEPTED if the compiler can compile with the flags,
dnl and ACTION-IF-NOT-ACCEPTED otherwise.
AC_DEFUN([AS_3DNOW_INTRINSICS],
[
AC_MSG_CHECKING([if compiler supports 3DNOW intrinsics])
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -m3dnow"
AC_TRY_COMPILE([#include <mm3dnow.h>], [_m_femms()], [flag_ok=yes], [flag_ok=no])
CFLAGS="$save_CFLAGS"
$1="-m3dnow"
if test "X$flag_ok" = Xyes ; then
$2
true
else
$3
true
fi
AC_MSG_RESULT([$flag_ok])
])
dnl AS_3DNOWEXT_INTRINSICS(CFLAGS, ACTION-IF-ACCEPTED, [ACTION-IF-NOT-ACCEPTED])
dnl Tries to compile with the given CFLAGS.
dnl Runs ACTION-IF-ACCEPTED if the compiler can compile with the flags,
dnl and ACTION-IF-NOT-ACCEPTED otherwise.
AC_DEFUN([AS_3DNOWEXT_INTRINSICS],
[
AC_MSG_CHECKING([if compiler supports 3DNOWEXT intrinsics])
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -m3dnow -march=athlon"
AC_TRY_COMPILE([#include <mm3dnow.h>], [__m64 a;a=_m_pf2iw(a)], [flag_ok=yes], [flag_ok=no])
CFLAGS="$save_CFLAGS"
$1="-m3dnow -march=athlon"
if test "X$flag_ok" = Xyes ; then
$2
true
else
$3
true
fi
AC_MSG_RESULT([$flag_ok])
])
dnl AS_ALTIVEC_INTRINSICS(CFLAGS, ACTION-IF-ACCEPTED, [ACTION-IF-NOT-ACCEPTED])
dnl Tries to compile with the given CFLAGS.
dnl Runs ACTION-IF-ACCEPTED if the compiler can compile with the flags,
dnl and ACTION-IF-NOT-ACCEPTED otherwise.
AC_DEFUN([AS_ALTIVEC_INTRINSICS],
[
AC_MSG_CHECKING([if compiler supports ALTIVEC intrinsics])
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -maltivec"
AC_TRY_COMPILE([#include <altivec.h>], [__vector a; a = vec_or(a,a)], [flag_ok=yes], [flag_ok=no])
CFLAGS="$save_CFLAGS"
$1="-maltivec"
if test "X$flag_ok" = Xyes ; then
$2
true
else
$3
true
fi
AC_MSG_RESULT([$flag_ok])
])
|
