mirrors/pulseaudio
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git synced 2025-11-06 13:29:56 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

remap: cleanup assembler a little

Browse source
This commit is contained in:
Wim Taymans 2009-08-26 19:29:21 +02:00
parent 9d25467964
commit 59070892ed
2 changed files with 26 additions and 29 deletions
Download patch file Download diff file Expand all files Collapse all files

43
src/pulsecore/remap_mmx.c
View file

@ -51,7 +51,7 @@
" punpckl"#s" %%mm4, %%mm4 \n\t" \
" punpckh"#s" %%mm5, %%mm5 \n\t" \
" punpckl"#s" %%mm6, %%mm6 \n\t" \
" punpckh"#s" %%mm7, %%mm7 \n\t" \
" punpckh"#s" %%mm7, %%mm7 \n\t"
#define STORE_SAMPLES \
" movq %%mm0, (%0) \n\t" \
@ -67,32 +67,31 @@
#define HANDLE_SINGLE(s) \
" movd (%1), %%mm0 \n\t" \
" movq %%mm0, %%mm1 \n\t" \
" punpckl"#s" %%mm0, %%mm0 \n\t" \
" movq %%mm0, (%0) \n\t" \
" add $4, %1 \n\t" \
" add $8, %0 \n\t"
#define MONO_TO_STEREO(s) \
" mov %3, %2 \n\t" \
" sar $3, %2 \n\t" \
" cmp $0, %2 \n\t" \
" je 2f \n\t" \
"1: \n\t" \
LOAD_SAMPLES \
UNPACK_SAMPLES(s) \
STORE_SAMPLES \
" dec %2 \n\t" \
" jne 1b \n\t" \
"2: \n\t" \
" mov %3, %2 \n\t" \
" and $7, %2 \n\t" \
" je 4f \n\t" \
"3: \n\t" \
HANDLE_SINGLE(s) \
" dec %2 \n\t" \
" jne 3b \n\t" \
"4: \n\t" \
#define MONO_TO_STEREO(s) \
" mov %3, %2 \n\t" \
" sar $3, %2 \n\t" \
" cmp $0, %2 \n\t" \
" je 2f \n\t" \
"1: \n\t" \
LOAD_SAMPLES \
UNPACK_SAMPLES(s) \
STORE_SAMPLES \
" dec %2 \n\t" \
" jne 1b \n\t" \
"2: \n\t" \
" mov %3, %2 \n\t" \
" and $7, %2 \n\t" \
" je 4f \n\t" \
"3: \n\t" \
HANDLE_SINGLE(s) \
" dec %2 \n\t" \
" jne 3b \n\t" \
"4: \n\t" \
" emms \n\t"
#if defined (__i386__) || defined (__amd64__)