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configure: Drop check for availability of ten assembler operands.

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This was done to support gcc 2.95, which is an old legacy compiler
that fails to compile the current codebase anyway.
This commit is contained in:
Diego Biurrun 2011-06-22 23:30:15 +02:00
parent 1bb52045d3
commit d2ee495fb2
3 changed files with 5 additions and 19 deletions
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14
configure vendored
View File

@ -1120,7 +1120,6 @@ HAVE_LIST="
sys_select_h
sys_soundcard_h
sys_videoio_h
ten_operands
threads
trunc
truncf
@ -2704,18 +2703,6 @@ EOF
# check whether xmm clobbers are supported
check_asm xmm_clobbers '"":::"%xmm0"'
# check whether more than 10 operands are supported
check_cc <<EOF && enable ten_operands
int main(void) {
int x=0;
__asm__ volatile(
""
:"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
);
return 0;
}
EOF
# check whether binutils is new enough to compile SSSE3/MMX2
enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
@ -3126,7 +3113,6 @@ if enabled x86; then
echo "CMOV is fast ${fast_cmov-no}"
echo "EBX available ${ebx_available-no}"
echo "EBP available ${ebp_available-no}"
echo "10 operands supported ${ten_operands-no}"
fi
if enabled arm; then
echo "ARMv5TE enabled ${armv5te-no}"

4
libavcodec/x86/dsputil_mmx.c
View File

@ -602,7 +602,7 @@ static void add_bytes_l2_mmx(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){
dst[i] = src1[i] + src2[i];
}
#if HAVE_7REGS && HAVE_TEN_OPERANDS
#if HAVE_7REGS
static void add_hfyu_median_prediction_cmov(uint8_t *dst, const uint8_t *top, const uint8_t *diff, int w, int *left, int *left_top) {
x86_reg w2 = -w;
x86_reg x;
@ -2674,7 +2674,7 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
c->add_hfyu_median_prediction = ff_add_hfyu_median_prediction_mmx2;
#endif
#if HAVE_7REGS && HAVE_TEN_OPERANDS
#if HAVE_7REGS
if( mm_flags&AV_CPU_FLAG_3DNOW )
c->add_hfyu_median_prediction = add_hfyu_median_prediction_cmov;
#endif

6
libavcodec/x86/mlpdsp.c
View File

@ -23,7 +23,7 @@
#include "libavcodec/dsputil.h"
#include "libavcodec/mlp.h"
#if HAVE_7REGS && HAVE_TEN_OPERANDS
#if HAVE_7REGS
extern void ff_mlp_firorder_8;
extern void ff_mlp_firorder_7;
@ -171,11 +171,11 @@ static void mlp_filter_channel_x86(int32_t *state, const int32_t *coeff,
);
}
#endif /* HAVE_7REGS && HAVE_TEN_OPERANDS */
#endif /* HAVE_7REGS */
void ff_mlp_init_x86(DSPContext* c, AVCodecContext *avctx)
{
#if HAVE_7REGS && HAVE_TEN_OPERANDS
#if HAVE_7REGS
c->mlp_filter_channel = mlp_filter_channel_x86;
#endif
}