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Disable SSE code and reenable FPU dct for SSE cpus (fpu code is 0.3% faster and I don't get data aligned in dct64_sse.s, so I can't finish optimizing it)

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3204 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
atmos4 2001-11-29 18:05:42 +00:00
parent 4b5c1a845c
commit 4c9621ece7
3 changed files with 20 additions and 16 deletions
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8
mp3lib/Makefile
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@ -15,10 +15,10 @@ ifeq ($(TARGET_MMX),yes)
SRCS += decode_MMX.s dct64_MMX.s tabinit_MMX.s
OBJS += decode_MMX.o dct64_MMX.o tabinit_MMX.o
endif
ifeq ($(TARGET_SSE),yes)
SRCS += dct64_sse.s
OBJS += dct64_sse.o
endif
#ifeq ($(TARGET_SSE),yes)
#SRCS += dct64_sse.s
#OBJS += dct64_sse.o
#endif
ifeq ($(TARGET_3DNOW),yes)
SRCS += dct36_3dnow.s dct64_3dnow.s
OBJS += dct36_3dnow.o dct64_3dnow.o

16
mp3lib/dct64_sse.s
View File

@ -1,9 +1,13 @@
# This code is a translation of dct64_k7.s from MPlayer.
# Coded by Felix Buenemann <atmosfear at users.sourceforge.net>
#
# TODO: - fix phases 4 and 5 (sse)
# - optimize scalar FPU code? (interleave with sse code)
#
/ This code is a translation of dct64_k7.s from MPlayer.
/ Coded by Felix Buenemann <atmosfear at users.sourceforge.net>
/
/ TODO: - fix phases 4 and 5 (sse)
/ - optimize scalar FPU code? (interleave with sse code)
/ - fix alignment (prohibits finishing this code)
/ - then use faster insns for aligned data
/
/ Note: currently code is disabled as I couldn't get input data aligned!
/
//.data
// .align 8

12
mp3lib/sr1.c
View File

@ -409,8 +409,8 @@ void MP3_Init(){
Note: It's ok, Since K8 will have SSE2 support and will much faster
of P4 ;)
*/
printf( "mp3lib: Using SSE%s! optimized decore.\n",(_isse>1?"2":""));
// printf( "mp3lib: Using Pentium%s optimized decore.\n",(_i586>1?"-MMX":""));
// printf( "mp3lib: Using SSE%s! optimized decore.\n",(_isse>1?"2":""));
printf( "mp3lib: Using Pentium%s optimized decore.\n",(_i586>1?"-MMX":""));
else
if(_3dnow)
printf( "mp3lib: Using AMD 3dnow%s! optimized decore.\n",(_3dnow>1?"-dsp(k7)":""));
@ -443,14 +443,14 @@ void MP3_Init(){
tables_done_flag=1;
dct36_func=dct36;
#ifdef HAVE_SSE
/*#ifdef HAVE_SSE
if(_isse)
{
synth_func=synth_1to1_MMX;
dct64_MMX_func=dct64_MMX_sse;
}
else
#endif
#endif*/
#ifdef HAVE_3DNOWEX
if ( _3dnow > 1 )
{
@ -518,7 +518,7 @@ void MP3_Init(){
tables_done_flag=1;
dct36_func=dct36;
#ifdef HAVE_SSE
/*#ifdef HAVE_SSE
if(gCpuCaps.hasSSE)
{
synth_func=synth_1to1_MMX;
@ -526,7 +526,7 @@ void MP3_Init(){
printf("mp3lib: using SSE optimized decore!\n");
}
else
#endif
#endif*/
#ifdef HAVE_3DNOWEX
if (gCpuCaps.has3DNowExt)
{