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Better 3dnow! optimization

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@1174 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
nickols_k 2001-06-20 07:54:19 +00:00
parent b267d6e357
commit 1202129042
2 changed files with 37 additions and 48 deletions

View File

@ -33,32 +33,18 @@
#ifndef SRFFTP_3DNOW_H__
#define SRFFTP_3DNOW_H__
static complex_t HSQRT2_3DNOW __attribute__ ((aligned (8))) = { 0.707106781188, 0.707106781188 };
typedef struct
{
unsigned long val[2];
}i_cmplx_t;
#ifdef HAVE_3DNOWEX
#define TRANS_FILL_MM6_MM7_3DNOW()\
__asm__ __volatile__(\
"movl $-1, %%eax\n\t"\
"movd %%eax, %%mm7\n\t"\
"negl %%eax\n\t"\
"movd %%eax, %%mm6\n\t"\
"punpckldq %%mm6, %%mm7\n\t" /* -1.0 | 1.0 */\
"pi2fd %%mm7, %%mm7\n\t"\
"pswapd %%mm7, %%mm6\n\t"/* 1.0 | -1.0 */\
:::"eax","memory");
#else
#define TRANS_FILL_MM6_MM7_3DNOW()\
__asm__ __volatile__(\
"movl $-1, %%eax\n\t"\
"movd %%eax, %%mm7\n\t"\
"negl %%eax\n\t"\
"movd %%eax, %%mm6\n\t"\
"punpckldq %%mm6, %%mm7\n\t" /* -1.0 | 1.0 */\
"punpckldq %%mm7, %%mm6\n\t" /* 1.0 | -1.0 */\
"pi2fd %%mm7, %%mm7\n\t"\
"pi2fd %%mm6, %%mm6\n\t"\
:::"eax","memory");
#endif
"movq %1, %%mm7\n\t"\
"movq %0, %%mm6\n\t"\
::"m"(x_plus_minus_3dnow),\
"m"(x_minus_plus_3dnow)\
:"memory");
#ifdef HAVE_3DNOWEX
#define PSWAP_MM(mm_base,mm_hlp) "pswapd "mm_base","mm_base"\n\t"
@ -85,8 +71,8 @@ static complex_t HSQRT2_3DNOW __attribute__ ((aligned (8))) = { 0.707106781188,
"movq %5, %%mm1\n\t" /* mm1 = wTB[k*2]*/ \
"movq %%mm0, %%mm5\n\t"/*u.re = wTB[0].re + wTB[k*2].re;*/\
"pfadd %%mm1, %%mm5\n\t"/*u.im = wTB[0].im + wTB[k*2].im; mm5 = u*/\
"pfmul %%mm6, %%mm0\n\t"/*mm0 = wTB[0].re | -wTB[0].im */\
"pfmul %%mm7, %%mm1\n\t"/*mm1 = -wTB[k*2].re | wTB[k*2].im */\
"pxor %%mm6, %%mm0\n\t"/*mm0 = wTB[0].re | -wTB[0].im */\
"pxor %%mm7, %%mm1\n\t"/*mm1 = -wTB[k*2].re | wTB[k*2].im */\
"pfadd %%mm1, %%mm0\n\t"/*v.im = wTB[0].re - wTB[k*2].re;*/\
"movq %%mm0, %%mm4\n\t"/*v.re =-wTB[0].im + wTB[k*2].im;*/\
PSWAP_MM("%%mm4","%%mm2")/* mm4 = v*/\
@ -112,18 +98,18 @@ static complex_t HSQRT2_3DNOW __attribute__ ((aligned (8))) = { 0.707106781188,
__asm__ __volatile__(\
"movq %4, %%mm0\n\t"/*u.re = wTB[2].im + wTB[2].re;*/\
"movq %%mm0, %%mm1\n\t"\
"pfmul %%mm7, %%mm1\n\t"\
"pxor %%mm7, %%mm1\n\t"\
"pfacc %%mm1, %%mm0\n\t"/*u.im = wTB[2].im - wTB[2].re; mm0 = u*/\
"movq %5, %%mm1\n\t" /*a.re = wTB[6].im - wTB[6].re; */\
"movq %%mm1, %%mm2\n\t"\
"pfmul %%mm7, %%mm1\n\t"\
"pxor %%mm7, %%mm1\n\t"\
"pfacc %%mm2, %%mm1\n\t"/*a.im = wTB[6].im + wTB[6].re; mm1 = a*/\
"movq %%mm1, %%mm2\n\t"\
"pfmul %%mm7, %%mm2\n\t"/*v.im = u.re - a.re;*/\
"pxor %%mm7, %%mm2\n\t"/*v.im = u.re - a.re;*/\
"movq %%mm0, %%mm3\n\t"/*v.re = u.im + a.im;*/\
"pfadd %%mm2, %%mm3\n\t"\
PSWAP_MM("%%mm3","%%mm2")/*mm3 = v*/\
"pfmul %%mm6, %%mm1\n\t"/*u.re = u.re + a.re;*/\
"pxor %%mm6, %%mm1\n\t"/*u.re = u.re + a.re;*/\
"pfadd %%mm1, %%mm0\n\t"/*u.im = u.im - a.im; mm0 = u*/\
"movq %8, %%mm2\n\t"\
"pfmul %%mm2, %%mm3\n\t" /* v *= HSQRT2_3DNOW; */\
@ -133,9 +119,9 @@ static complex_t HSQRT2_3DNOW __attribute__ ((aligned (8))) = { 0.707106781188,
"movq %%mm1, %%mm2\n\t"\
"movq %%mm3, %%mm4\n\t"\
"pfadd %%mm0, %%mm1\n\t" /*A2 = a1 + u;*/\
"pfmul %%mm6, %%mm4\n\t"/*A6.re = a1.re + v.re;*/\
"pxor %%mm6, %%mm4\n\t"/*A6.re = a1.re + v.re;*/\
"pfsub %%mm0, %%mm2\n\t" /*A2 = a1 - u;*/\
"pfmul %%mm7, %%mm3\n\t"/*A14.re = a1.re - v.re;*/\
"pxor %%mm7, %%mm3\n\t"/*A14.re = a1.re - v.re;*/\
"movq %%mm1, %0\n\t"\
"movq %%mm2, %1\n\t"\
"movq %%mm5, %%mm2\n\t"\
@ -159,7 +145,7 @@ static complex_t HSQRT2_3DNOW __attribute__ ((aligned (8))) = { 0.707106781188,
"pfmul %%mm0, %%mm4\n\t"/* mm4 =u.re | u.im */\
"pfmul %%mm0, %%mm5\n\t"/* mm5 = a.re | a.im */\
PSWAP_MM("%%mm5","%%mm3")\
"pfmul %%mm7, %%mm5\n\t"\
"pxor %%mm7, %%mm5\n\t"\
"pfadd %%mm5, %%mm4\n\t"/* mm4 = u*/\
"movq %3, %%mm1\n\t"\
"movq %2, %%mm0\n\t"\
@ -171,9 +157,9 @@ static complex_t HSQRT2_3DNOW __attribute__ ((aligned (8))) = { 0.707106781188,
"pfacc %%mm0, %%mm0\n\t"\
"movq %%mm4, %%mm5\n\t"\
"punpckldq %%mm0,%%mm2\n\t"/*mm2 = v.re | a.re*/\
"pfmul %%mm6, %%mm5\n\t"\
"pxor %%mm6, %%mm5\n\t"\
"movq %%mm2, %%mm3\n\t"\
"pfmul %%mm7, %%mm3\n\t"\
"pxor %%mm7, %%mm3\n\t"\
"pfadd %%mm3, %%mm5\n\t"\
PSWAP_MM("%%mm5","%%mm3")/* mm5 = v*/\
"pfadd %%mm2, %%mm4\n\t"\

View File

@ -9,6 +9,9 @@
/// (using memory reference as operand of instructions)
/// - Phase 6 is rewritten with mixing of cpu and mmx opcodes
/// - change function name for support 3DNowEx! automatic detect
/// - negation of 3dnow reg was replaced with PXOR 0x800000000, MMi instead
/// of PFMUL as it was suggested by athlon manual. (Two not separated PFMUL
/// can not be paired, but PXOR can be).
///
/// note: because K7 processors are an aggresive out-of-order three-way
/// superscalar ones instruction order is not significand for them.
@ -21,6 +24,11 @@
/// this program. Use it at your own risk.
///
.data
.align 8
plus_minus_3dnow: .long 0x00000000, 0x80000000
.text
.globl dct64_3dnowex
.type dct64_3dnowex,@function
@ -412,13 +420,8 @@ dct64_3dnowex:
movq %mm5, 120(%esi)
// 5
movl $-1,%eax
movd %eax,%mm1
movq plus_minus_3dnow, %mm0 /* mm0 = 1.0 | -1.0 */
movl $1,%eax
movd %eax,%mm0
/ L | H
punpckldq %mm1,%mm0
pi2fd %mm0,%mm0 /* mm0 = 1.0 | -1.0 */
movd %eax,%mm1
pi2fd %mm1,%mm1
movl pnts+16,%eax
@ -433,7 +436,7 @@ dct64_3dnowex:
movq 8(%esi),%mm4 /* mm4 = tmp2[2] | tmp2[3]*/
pfpnacc %mm4, %mm4
pswapd %mm4, %mm4 /* mm4 = tmp2[2]+tmp2[3]|tmp2[2]-tmp2[3]*/
pfmul %mm0,%mm4 /* mm4 = tmp2[2]+tmp2[3]|tmp2[3]-tmp2[2]*/
pxor %mm0,%mm4 /* mm4 = tmp2[2]+tmp2[3]|tmp2[3]-tmp2[2]*/
pfmul %mm1,%mm4 /* mm4 = tmp2[2]+tmp2[3]|(tmp2[3]-tmp2[2])*cos0*/
movq %mm4,%mm5
psrlq $32,%mm5 /* mm5 = (tmp2[3]-tmp2[2])*cos0 */
@ -449,7 +452,7 @@ dct64_3dnowex:
pfpnacc %mm4, %mm4
pswapd %mm4, %mm4
pfmul %mm0,%mm4
pxor %mm0,%mm4
pfmul %mm1,%mm4
movq %mm4,%mm5
psrlq $32,%mm5
@ -470,7 +473,7 @@ dct64_3dnowex:
movq 40(%esi),%mm4
pfpnacc %mm4, %mm4
pswapd %mm4, %mm4
pfmul %mm0,%mm4
pxor %mm0,%mm4
pfmul %mm1,%mm4
movq %mm4,%mm5
psrlq $32,%mm5
@ -484,7 +487,7 @@ dct64_3dnowex:
movq 56(%esi),%mm4
pfpnacc %mm4, %mm4
pswapd %mm4, %mm4
pfmul %mm0,%mm4
pxor %mm0,%mm4
pfmul %mm1,%mm4
movq %mm4,%mm5
psrlq $32,%mm5
@ -504,7 +507,7 @@ dct64_3dnowex:
movq 72(%esi),%mm4
pfpnacc %mm4, %mm4
pswapd %mm4, %mm4
pfmul %mm0,%mm4
pxor %mm0,%mm4
pfmul %mm1,%mm4
movq %mm4,%mm5
psrlq $32,%mm5
@ -518,7 +521,7 @@ dct64_3dnowex:
movq 88(%esi),%mm4
pfpnacc %mm4, %mm4
pswapd %mm4, %mm4
pfmul %mm0,%mm4
pxor %mm0,%mm4
pfmul %mm1,%mm4
movq %mm4,%mm5
psrlq $32,%mm5
@ -538,7 +541,7 @@ dct64_3dnowex:
movq 104(%esi),%mm4
pfpnacc %mm4, %mm4
pswapd %mm4, %mm4
pfmul %mm0,%mm4
pxor %mm0,%mm4
pfmul %mm1,%mm4
movq %mm4,%mm5
psrlq $32,%mm5
@ -552,7 +555,7 @@ dct64_3dnowex:
movq 120(%esi),%mm4
pfpnacc %mm4, %mm4
pswapd %mm4, %mm4
pfmul %mm0,%mm4
pxor %mm0,%mm4
pfmul %mm1,%mm4
movq %mm4,%mm5
psrlq $32,%mm5