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configure: group all cpu-specific tests together

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Originally committed as revision 19485 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2009-07-22 16:05:24 +00:00
parent b06da1725a
commit fa0912fe50
1 changed files with 49 additions and 52 deletions
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101
configure vendored
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@ -1996,7 +1996,55 @@ check_cc <<EOF && enable inline_asm
void foo(void) { __asm__ volatile ("" ::); }
EOF
if enabled x86; then
if enabled arm; then
check_ld <<EOF && enable vfp_args
__asm__ (".eabi_attribute 28, 1");
int main(void) { return 0; }
EOF
# We have to check if pld is a nop and disable it.
check_asm pld '"pld [r0]"'
enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
elif enabled mips; then
check_asm loongson '"dmult.g $1, $2, $3"'
enabled mmi && check_asm mmi '"lq $2, 0($2)"'
elif enabled ppc; then
check_asm dcbzl '"dcbzl 0, 1"'
check_asm ppc4xx '"maclhw r10, r11, r12"'
check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
# AltiVec flags: The FSF version of GCC differs from the Apple version
if enabled altivec; then
check_cflags -maltivec -mabi=altivec &&
{ check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
check_cflags -faltivec
# check if our compiler supports Motorola AltiVec C API
check_cc <<EOF || disable altivec
$inc_altivec_h
int main(void) {
vector signed int v1, v2, v3;
v1 = vec_add(v2,v3);
return 0;
}
EOF
# check if our compiler supports braces for vector declarations
check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
$inc_altivec_h
int main (void) { (vector int) {1}; return 0; }
EOF
fi
elif enabled sparc; then
enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
add_cflags -mcpu=ultrasparc -mtune=ultrasparc
elif enabled x86; then
# check whether EBP is available on x86
# As 'i' is stored on the stack, this program will crash
# if the base pointer is used to access it because the
@ -2041,57 +2089,6 @@ EOF
disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
fi
# check for assembler specific support
enabled arm && check_ld <<EOF && enable vfp_args
__asm__ (".eabi_attribute 28, 1");
int main(void) { return 0; }
EOF
enabled mips && check_asm loongson '"dmult.g $1, $2, $3"'
enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
# check for SIMD availability
# AltiVec flags: The FSF version of GCC differs from the Apple version
if enabled altivec; then
check_cflags -maltivec -mabi=altivec &&
{ check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
check_cflags -faltivec
# check if our compiler supports Motorola AltiVec C API
check_cc <<EOF || disable altivec
$inc_altivec_h
int main(void) {
vector signed int v1, v2, v3;
v1 = vec_add(v2,v3);
return 0;
}
EOF
# check if our compiler supports braces for vector declarations
check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
$inc_altivec_h
int main (void) { (vector int) {1}; return 0; }
EOF
fi
# We have to check if pld is a nop and disable it.
enabled arm && check_asm pld '"pld [r0]"'
enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
enabled mmi && check_asm mmi '"lq $2, 0($2)"'
enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
enabled vis && add_cflags -mcpu=ultrasparc -mtune=ultrasparc
check_cc <<EOF || die "endian test failed"
unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
EOF