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Replaced wrond direction floating -> integer conversion. 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@873 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
atmosfear 2001-05-25 14:02:21 +00:00
parent 6af61392b2
commit 2d570f3d3a
1 changed files with 10 additions and 3 deletions
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13
mp3lib/decode_sse.s
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@ -110,12 +110,19 @@ synth_1to1_sse:
movups 48(%ecx), %xmm1 movups 48(%ecx), %xmm1
mulps 48(%ebx), %xmm1 mulps 48(%ebx), %xmm1
addps %xmm1, %xmm0 addps %xmm1, %xmm0
/* pfnacc -> PFNACC mmreg1, mmreg2 performs the following operations: */
/* temp = mmreg2 */
/* mmreg1[31:0] = mmreg1[31:0] - mmreg1[63:32] */
/* mmreg1[63:32]= temp [31:0] - temp[63:32] */
/* save difference of mmreg1's low-word and high-word into mmreg1's low-word */
/* save difference of mmreg2's low-word and high-word into mmreg1's high-word */
movhlps %xmm0, %xmm1 movhlps %xmm0, %xmm1
addps %xmm1, %xmm0 addps %xmm1, %xmm0
movaps %xmm0, %xmm1 movaps %xmm0, %xmm1
shufps $0x55, %xmm1, %xmm1 /* fake of pfnacc. 1|1|1|1 */ shufps $0x55, %xmm1, %xmm1 /* fake of pfnacc. 1|1|1|1 */
subss %xmm1, %xmm0 subss %xmm1, %xmm0
cvttss2si %xmm0, %eax cvtss2si %xmm0, %eax
/ sar $16,%eax / sar $16,%eax
movw %ax,(%esi) movw %ax,(%esi)
@ -141,7 +148,7 @@ synth_1to1_sse:
addps %xmm1, %xmm0 addps %xmm1, %xmm0
movhlps %xmm0, %xmm1 movhlps %xmm0, %xmm1
addss %xmm1, %xmm0 addss %xmm1, %xmm0
cvttss2si %xmm0, %eax cvtss2si %xmm0, %eax
/ sar $16,%eax / sar $16,%eax
@ -171,7 +178,7 @@ synth_1to1_sse:
movaps %xmm0, %xmm1 movaps %xmm0, %xmm1
shufps $0x55, %xmm1, %xmm1 /* fake of pfacc 1|1|1|1 */ shufps $0x55, %xmm1, %xmm1 /* fake of pfacc 1|1|1|1 */
addss %xmm1, %xmm0 addss %xmm1, %xmm0
cvttss2si %xmm0, %eax cvtss2si %xmm0, %eax
/ sar $16,%eax / sar $16,%eax