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configure: add inline_asm_check() and simplify some tests

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Add inline_asm_check function to simplify configure checks.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@32243 b3059339-0415-0410-9bf9-f77b7e298cf2

Use inline_asm_check to simplify a bunch of configure checks.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@32244 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
diego 2010-09-14 13:37:47 +00:00 committed by Uoti Urpala
parent 8ef19870e2
commit d114f96b2e
1 changed files with 18 additions and 36 deletions
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54
configure vendored
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@ -107,6 +107,14 @@ EOF
compile_check $TMPC $@
}
inline_asm_check() {
cat > $TMPC << EOF
int main(void) { __asm__ volatile ($1); return 0; }
EOF
shift
compile_check $TMPC $@
}
# this is a special check only to be
# used for broken headers that do not
# include all dependencies
@ -2506,10 +2514,7 @@ fi #if x86_32
echocheck ".align is a power of two"
if test "$_asmalign_pot" = auto ; then
_asmalign_pot=no
cat > $TMPC << EOF
int main(void) { __asm__ (".align 3"); return 0; }
EOF
cc_check && _asmalign_pot=yes
inline_asm_check '".align 3"' && _asmalign_pot=yes
fi
if test "$_asmalign_pot" = "yes" ; then
def_asmalign_pot='#define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\n\t"'
@ -2659,29 +2664,21 @@ if ppc ; then
def_xform_asm='#define HAVE_XFORM_ASM 0'
xform_asm=no
echocheck "XFORM ASM support"
cat > $TMPC << EOF
int main(void) { __asm__ volatile ("lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)); return 0; }
EOF
cc_check && xform_asm=yes && def_xform_asm='#define HAVE_XFORM_ASM 1'
inline_asm_check '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)' &&
xform_asm=yes && def_xform_asm='#define HAVE_XFORM_ASM 1'
echores "$xform_asm"
fi
if arm ; then
echocheck "ARM pld instruction"
cat > $TMPC << EOF
int main(void) { __asm__ volatile ("pld [r0]"); return 0; }
EOF
pld=no
cc_check && pld=yes
inline_asm_check '"pld [r0]"' && pld=yes
echores "$pld"
echocheck "ARMv5TE (Enhanced DSP Extensions)"
if test $_armv5te = "auto" ; then
cat > $TMPC << EOF
int main(void) { __asm__ volatile ("qadd r0, r0, r0"); return 0; }
EOF
_armv5te=no
cc_check && _armv5te=yes
inline_asm_check '"qadd r0, r0, r0"' && _armv5te=yes
fi
echores "$_armv5te"
@ -2689,51 +2686,36 @@ EOF
echocheck "ARMv6 (SIMD instructions)"
if test $_armv6 = "auto" ; then
cat > $TMPC << EOF
int main(void) { __asm__ volatile ("sadd16 r0, r0, r0"); return 0; }
EOF
_armv6=no
cc_check && _armv6=yes
inline_asm_check '"sadd16 r0, r0, r0"' && _armv6=yes
fi
echores "$_armv6"
echocheck "ARMv6t2 (SIMD instructions)"
if test $_armv6t2 = "auto" ; then
cat > $TMPC << EOF
int main(void) { __asm__ volatile ("movt r0, #0"); return 0; }
EOF
_armv6t2=no
cc_check && _armv6t2=yes
inline_asm_check '"movt r0, #0"' && _armv6t2=yes
fi
echores "$_armv6"
echocheck "ARM VFP"
if test $_armvfp = "auto" ; then
cat > $TMPC << EOF
int main(void) { __asm__ volatile ("fadds s0, s0, s0"); return 0; }
EOF
_armvfp=no
cc_check && _armvfp=yes
inline_asm_check '"fadds s0, s0, s0"' && _armvfp=yes
fi
echores "$_armvfp"
echocheck "ARM NEON"
if test $neon = "auto" ; then
cat > $TMPC << EOF
int main(void) { __asm__ volatile ("vadd.i16 q0, q0, q0"); return 0; }
EOF
neon=no
cc_check && neon=yes
inline_asm_check '"vadd.i16 q0, q0, q0"' && neon=yes
fi
echores "$neon"
echocheck "iWMMXt (Intel XScale SIMD instructions)"
if test $_iwmmxt = "auto" ; then
cat > $TMPC << EOF
int main(void) { __asm__ volatile ("wunpckelub wr6, wr4"); return 0; }
EOF
_iwmmxt=no
cc_check && _iwmmxt=yes
inline_asm_check '"wunpckelub wr6, wr4"' && _iwmmxt=yes
fi
echores "$_iwmmxt"
fi