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improvements 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@764 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
nickols_k 2001-05-11 10:25:55 +00:00
parent 2f17d022b1
commit 8822062c08
1 changed files with 29 additions and 50 deletions
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79
mp3lib/decode_k7.s
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@ -4,6 +4,8 @@
/// This code based 'decode_3dnow.s' by Syuuhei Kashiyama /// This code based 'decode_3dnow.s' by Syuuhei Kashiyama
/// <squash@mb.kcom.ne.jp>,only some types of changes have been made: /// <squash@mb.kcom.ne.jp>,only some types of changes have been made:
/// ///
/// - decreased number of opcodes (as it suggested by k7 manual)
/// (using memory reference as operand of instructions)
/// - change function name for support 3DNowEx! automatic detect /// - change function name for support 3DNowEx! automatic detect
/// ///
/// note: because K7 processors are an aggresive out-of-order three-way /// note: because K7 processors are an aggresive out-of-order three-way
@ -100,43 +102,36 @@ synth_1to1_3dnowex:
movl $16,%ebp movl $16,%ebp
.L55: .L55:
movq (%ecx),%mm4
movq (%ebx),%mm3
movq 8(%ecx),%mm0
movq 8(%ebx),%mm1
pfmul %mm3,%mm4
movq 16(%ecx),%mm2 movq (%ecx),%mm4
pfmul %mm1,%mm0 movq 8(%ecx),%mm0
pfmul (%ebx),%mm4
pfmul 8(%ebx),%mm0
movq 16(%ebx),%mm3 movq 16(%ebx),%mm3
pfadd %mm0,%mm4 pfadd %mm0,%mm4
movq 24(%ecx),%mm0 movq 24(%ecx),%mm0
pfmul %mm2,%mm3 pfmul 16(%ecx),%mm3
movq 24(%ebx),%mm1
pfadd %mm3,%mm4 pfadd %mm3,%mm4
movq 32(%ecx),%mm2 pfmul 24(%ebx),%mm0
pfmul %mm1,%mm0
movq 32(%ebx),%mm3 movq 32(%ebx),%mm3
pfadd %mm0,%mm4 pfadd %mm0,%mm4
movq 40(%ecx),%mm0 movq 40(%ecx),%mm0
pfmul %mm2,%mm3 pfmul 32(%ecx),%mm3
movq 40(%ebx),%mm1
pfadd %mm3,%mm4 pfadd %mm3,%mm4
movq 48(%ecx),%mm2 pfmul 40(%ebx),%mm0
pfmul %mm1,%mm0
movq 48(%ebx),%mm3 movq 48(%ebx),%mm3
pfadd %mm0,%mm4 pfadd %mm0,%mm4
movq 56(%ecx),%mm0 movq 56(%ecx),%mm0
pfmul %mm2,%mm3 pfmul 48(%ecx),%mm3
movq 56(%ebx),%mm1
pfadd %mm3,%mm4 pfadd %mm3,%mm4
pfmul %mm1,%mm0 pfmul 56(%ebx),%mm0
pfadd %mm0,%mm4 pfadd %mm0,%mm4
movq %mm4,%mm0 movq %mm4,%mm0
@ -158,42 +153,34 @@ synth_1to1_3dnowex:
/ --- end of loop 1 --- / --- end of loop 1 ---
movd (%ecx),%mm2 movd (%ecx),%mm2
movd (%ebx),%mm1 pfmul (%ebx),%mm2
pfmul %mm1,%mm2
movd 8(%ecx),%mm0
movd 8(%ebx),%mm1 movd 8(%ebx),%mm1
pfmul %mm0,%mm1 pfmul 8(%ecx),%mm1
pfadd %mm1,%mm2 pfadd %mm1,%mm2
movd 16(%ecx),%mm0
movd 16(%ebx),%mm1 movd 16(%ebx),%mm1
pfmul %mm0,%mm1 pfmul 16(%ecx),%mm1
pfadd %mm1,%mm2 pfadd %mm1,%mm2
movd 24(%ecx),%mm0
movd 24(%ebx),%mm1 movd 24(%ebx),%mm1
pfmul %mm0,%mm1 pfmul 24(%ecx),%mm1
pfadd %mm1,%mm2 pfadd %mm1,%mm2
movd 32(%ecx),%mm0
movd 32(%ebx),%mm1 movd 32(%ebx),%mm1
pfmul %mm0,%mm1 pfmul 32(%ecx),%mm1
pfadd %mm1,%mm2 pfadd %mm1,%mm2
movd 40(%ecx),%mm0
movd 40(%ebx),%mm1 movd 40(%ebx),%mm1
pfmul %mm0,%mm1 pfmul 40(%ecx),%mm1
pfadd %mm1,%mm2 pfadd %mm1,%mm2
movd 48(%ecx),%mm0
movd 48(%ebx),%mm1 movd 48(%ebx),%mm1
pfmul %mm0,%mm1 pfmul 48(%ecx),%mm1
pfadd %mm1,%mm2 pfadd %mm1,%mm2
movd 56(%ecx),%mm0
movd 56(%ebx),%mm1 movd 56(%ebx),%mm1
pfmul %mm0,%mm1 pfmul 56(%ecx),%mm1
pfadd %mm1,%mm2 pfadd %mm1,%mm2
pf2id %mm2,%mm2 pf2id %mm2,%mm2
@ -211,44 +198,36 @@ synth_1to1_3dnowex:
.L68: .L68:
psubd %mm0,%mm0 psubd %mm0,%mm0
movq (%ebx),%mm1
movq (%ecx),%mm2 movq (%ecx),%mm2
pfmul %mm1,%mm2 pfmul (%ebx),%mm2
pfsub %mm2,%mm0 pfsub %mm2,%mm0
movq 8(%ebx),%mm3
movq 8(%ecx),%mm4 movq 8(%ecx),%mm4
pfmul %mm3,%mm4 pfmul 8(%ebx),%mm4
pfsub %mm4,%mm0 pfsub %mm4,%mm0
movq 16(%ebx),%mm1
movq 16(%ecx),%mm2 movq 16(%ecx),%mm2
pfmul %mm1,%mm2 pfmul 16(%ebx),%mm2
pfsub %mm2,%mm0 pfsub %mm2,%mm0
movq 24(%ebx),%mm3
movq 24(%ecx),%mm4 movq 24(%ecx),%mm4
pfmul %mm3,%mm4 pfmul 24(%ebx),%mm4
pfsub %mm4,%mm0 pfsub %mm4,%mm0
movq 32(%ebx),%mm1
movq 32(%ecx),%mm2 movq 32(%ecx),%mm2
pfmul %mm1,%mm2 pfmul 32(%ebx),%mm2
pfsub %mm2,%mm0 pfsub %mm2,%mm0
movq 40(%ebx),%mm3
movq 40(%ecx),%mm4 movq 40(%ecx),%mm4
pfmul %mm3,%mm4 pfmul 40(%ebx),%mm4
pfsub %mm4,%mm0 pfsub %mm4,%mm0
movq 48(%ebx),%mm1
movq 48(%ecx),%mm2 movq 48(%ecx),%mm2
pfmul %mm1,%mm2 pfmul 48(%ebx),%mm2
pfsub %mm2,%mm0 pfsub %mm2,%mm0
movq 56(%ebx),%mm3
movq 56(%ecx),%mm4 movq 56(%ecx),%mm4
pfmul %mm3,%mm4 pfmul 56(%ebx),%mm4
pfsub %mm4,%mm0 pfsub %mm4,%mm0
pfacc %mm0,%mm0 pfacc %mm0,%mm0