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mpv
mirror of https://github.com/mpv-player/mpv
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This version is slightly better then previous, hard to decide. 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@865 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
atmosfear 2001-05-24 20:14:28 +00:00
parent d3c061d749
commit f3e7f4bd5f
1 changed files with 57 additions and 60 deletions
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117
mp3lib/decode_sse.s
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@ -90,8 +90,7 @@ synth_1to1_sse:
.L74: .L74:
pushl %eax pushl %eax
call dct64 call dct64
addl $12,%esp addl $12, %esp
emms
movl 16(%esp),%edx movl 16(%esp),%edx
leal 0(,%edx,4),%edx leal 0(,%edx,4),%edx
movl $decwin+64,%eax movl $decwin+64,%eax
@ -100,24 +99,26 @@ synth_1to1_sse:
movl $16,%ebp movl $16,%ebp
.L55: .L55:
movups (%ecx), %xmm4 movups (%ecx), %xmm0
mulps (%ebx), %xmm4 mulps (%ebx), %xmm0
movups 16(%ecx), %xmm0 movups 16(%ecx), %xmm1
mulps 16(%ebx), %xmm0 mulps 16(%ebx), %xmm1
addps %xmm0, %xmm4 addps %xmm1, %xmm0
movups 32(%ecx), %xmm1 movups 32(%ecx), %xmm1
mulps 32(%ebx), %xmm1 mulps 32(%ebx), %xmm1
addps %xmm1, %xmm4 addps %xmm1, %xmm0
movups 48(%ecx), %xmm0 movups 48(%ecx), %xmm1
mulps 48(%ebx), %xmm0 mulps 48(%ebx), %xmm1
addps %xmm0, %xmm4 addps %xmm1, %xmm0
movhlps %xmm4, %xmm1 /* fake of pfacc */ movhlps %xmm0, %xmm1
addps %xmm1, %xmm4 addps %xmm1, %xmm0
shufps $0x55, %xmm4, %xmm1 /* fake of pfnacc. 1|1|1|1 */ movaps %xmm0, %xmm1
subps %xmm1, %xmm4 shufps $0x55, %xmm1, %xmm1 /* fake of pfnacc. 1|1|1|1 */
cvtss2si %xmm4, %eax subss %xmm1, %xmm0
cvttss2si %xmm0, %eax
movw %ax,(%esi) / sar $16,%eax
movw %ax,(%esi)
addl $64,%ebx addl $64,%ebx
subl $-128,%ecx subl $-128,%ecx
@ -127,23 +128,24 @@ synth_1to1_sse:
/ --- end of loop 1 --- / --- end of loop 1 ---
movups (%ecx), %xmm4 movups (%ecx), %xmm0
mulps (%ebx), %xmm4 mulps (%ebx), %xmm0
movups 16(%ecx), %xmm0 movups 16(%ecx), %xmm1
mulps 16(%ebx), %xmm0 mulps 16(%ebx), %xmm1
addps %xmm0, %xmm4 addps %xmm1, %xmm0
movups 32(%ecx), %xmm1 movups 32(%ecx), %xmm1
mulps 32(%ebx), %xmm1 mulps 32(%ebx), %xmm1
addps %xmm1, %xmm4 addps %xmm1, %xmm0
movups 48(%ecx), %xmm0 movups 48(%ecx), %xmm1
mulps 48(%ebx), %xmm0 mulps 48(%ebx), %xmm1
addps %xmm0, %xmm4 addps %xmm1, %xmm0
movhlps %xmm4, %xmm1 /* 3|2|3|2 */ movhlps %xmm0, %xmm1
addps %xmm1, %xmm4 addss %xmm1, %xmm0
cvtss2si %xmm4, %eax cvttss2si %xmm0, %eax
/ sar $16,%eax
movw %ax,(%esi) movw %ax,(%esi)
addl $-64,%ebx addl $-64,%ebx
addl $4,%esi addl $4,%esi
@ -151,32 +153,29 @@ synth_1to1_sse:
movl $15,%ebp movl $15,%ebp
.L68: .L68:
xorps %xmm0, %xmm0 xorps %xmm0, %xmm0
movups (%ecx), %xmm1
mulps (%ebx), %xmm1
subps %xmm1, %xmm0
movups 16(%ecx), %xmm1
mulps 16(%ebx), %xmm1
subps %xmm1, %xmm0
movups 32(%ecx), %xmm1
mulps 32(%ebx), %xmm1
subps %xmm1, %xmm0
movups 48(%ecx), %xmm1
mulps 48(%ebx), %xmm1
subps %xmm1, %xmm0
movhlps %xmm0, %xmm1
subps %xmm1, %xmm0
movaps %xmm0, %xmm1
shufps $0x55, %xmm1, %xmm1 /* fake of pfacc 1|1|1|1 */
addss %xmm1, %xmm0
cvttss2si %xmm0, %eax
movups (%ecx),%xmm2 / sar $16,%eax
mulps (%ebx),%xmm2
subps %xmm2,%xmm0
movups 16(%ecx),%xmm2 movw %ax,(%esi)
mulps 16(%ebx),%xmm2
subps %xmm2,%xmm0
movups 32(%ecx),%xmm2
mulps 32(%ebx),%xmm2
subps %xmm2,%xmm0
movups 48(%ecx),%xmm2
mulps 48(%ebx),%xmm2
subps %xmm2,%xmm0
movhlps %xmm0, %xmm1 /* 3|2|3|2 */
addps %xmm1, %xmm0
shufps $0x55, %xmm0, %xmm1 /* fake of pfacc 1|1|1|1 */
addps %xmm1, %xmm0
cvtss2si %xmm0, %eax
movw %ax,(%esi)
addl $-64,%ebx addl $-64,%ebx
subl $-128,%ecx subl $-128,%ecx
@ -186,8 +185,6 @@ synth_1to1_sse:
/ --- end of loop 2 / --- end of loop 2
emms
movl %edi,%eax movl %edi,%eax
popl %ebx popl %ebx
popl %esi popl %esi