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Code Issues Releases Activity

create and use check_asm() function

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Originally committed as revision 10558 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2007-09-23 21:52:09 +00:00
parent 78eb65317e
commit 940f335a3c
1 changed files with 19 additions and 44 deletions
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63
configure vendored
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@ -410,6 +410,18 @@ check_cpp(){
check_cmd $cc $CFLAGS "$@" -E -o $TMPO $TMPC
}
check_asm(){
log check_asm "$@"
name="$1"
asm="$2"
shift 2
check_cc "$@" <<EOF && enable $name || disable $name
int foo(void){
asm volatile($asm);
}
EOF
}
check_ld(){
log check_ld "$@"
check_cc || return
@ -1414,18 +1426,10 @@ if enabled x86; then
EOF
# check wether EBX is available on x86
check_cc <<EOF && enable ebx_available
int main(){
asm volatile ("":::"%ebx");
}
EOF
check_asm ebx_available '"":::"%ebx"'
# check whether binutils is new enough to compile SSSE3
enabled ssse3 && check_cc <<EOF || disable ssse3
int main(){
asm volatile ("pabsw %xmm0, %xmm0");
}
EOF
enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
fi
# check for assembler specific support
@ -1465,40 +1469,11 @@ int main(void) {
EOF
fi
# check armv5te instructions support
enabled armv5te && check_cc <<EOF || disable armv5te
int main(void) {
__asm__ __volatile__ ("qadd r0, r0, r0");
}
EOF
enabled armv6 && check_cc <<EOF || disable armv6
int main(void) {
__asm__ __volatile__ ("sadd16 r0, r0, r0");
}
EOF
# check iwmmxt support
enabled iwmmxt && check_cc <<EOF || disable iwmmxt
int main(void) {
__asm__ __volatile__ ("wunpckelub wr6, wr4");
}
EOF
# check if our compiler supports mmi
enabled mmi && check_cc <<EOF || disable mmi
int main(void) {
__asm__ ("lq \$2, 0(\$2)");
return 0;
}
EOF
# check VIS support
enabled vis && check_cc -mcpu=ultrasparc <<EOF || disable vis
int main(void) {
__asm__ __volatile__ ("pdist %f0, %f0, %f0");
}
EOF
enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
enabled mmi && check_asm mmi '"lq $2, 0($2)"'
enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc
enabled vis && add_cflags "-mcpu=ultrasparc -mtune=ultrasparc"