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opus: cf asm for C_MULC

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saves 2.7MHz decoding a 64kbps test file on h300

Change-Id: Id63791f79b44ed398ce5d341a5f5212d9a30282e
This commit is contained in:
Nils Wallménius 2012-10-10 22:20:18 +02:00
parent e3e53c965a
commit 2326f1517e
1 changed files with 21 additions and 0 deletions
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21
lib/rbcodec/codecs/libopus/celt/_kiss_fft_guts.h
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@ -61,9 +61,30 @@
do{ (m).r = SUB32(S_MUL((a).r,(b).r) , S_MUL((a).i,(b).i)); \
(m).i = ADD32(S_MUL((a).r,(b).i) , S_MUL((a).i,(b).r)); }while(0)
#if defined (CPU_COLDFIRE)
# define C_MULC(m,a,b) \
{ \
asm volatile("move.l (%[bp]), %%d2;" \
"clr.l %%d3;" \
"move.w %%d2, %%d3;" \
"swap %%d3;" \
"clr.w %%d2;" \
"movem.l (%[ap]), %%d0-%%d1;" \
"mac.l %%d0, %%d2, %%acc0;" \
"mac.l %%d1, %%d3, %%acc0;" \
"mac.l %%d1, %%d2, %%acc1;" \
"msac.l %%d0, %%d3, %%acc1;" \
"movclr.l %%acc0, %[mr];" \
"movclr.l %%acc1, %[mi];" \
: [mr] "=r" ((m).r), [mi] "=r" ((m).i) \
: [ap] "a" (&(a)), [bp] "a" (&(b)) \
: "d0", "d1", "d2", "d3", "cc"); \
}
#else
# define C_MULC(m,a,b) \
do{ (m).r = ADD32(S_MUL((a).r,(b).r) , S_MUL((a).i,(b).i)); \
(m).i = SUB32(S_MUL((a).i,(b).r) , S_MUL((a).r,(b).i)); }while(0)
#endif
# define C_MUL4(m,a,b) \
do{ (m).r = SHR32(SUB32(S_MUL((a).r,(b).r) , S_MUL((a).i,(b).i)),2); \