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| author | Mohamed Tarek <mt@rockbox.org> | 2010-08-05 18:53:42 +0000 |
|---|---|---|
| committer | Mohamed Tarek <mt@rockbox.org> | 2010-08-05 18:53:42 +0000 |
| commit | 13167d2389ba39d8f6e261c63538d8dbe01b3541 (patch) | |
| tree | 27b1a16fb47f7186b6303bc27c2340bdd0238da3 /apps | |
| parent | f704ca415f1ac1bd4d56eba6a75b14614a5d6f02 (diff) | |
| download | rockbox-13167d2389ba39d8f6e261c63538d8dbe01b3541.tar.gz rockbox-13167d2389ba39d8f6e261c63538d8dbe01b3541.zip | |
Remove the comment about Coldfire asm. The current code (using fixmul16 macros) is fast enough; even faster than an equivalent CF asm version, as pointed out by Nils Wallménius.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27724 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps')
| -rw-r--r-- | apps/codecs/libwmapro/wmapro_math.h | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/apps/codecs/libwmapro/wmapro_math.h b/apps/codecs/libwmapro/wmapro_math.h index 54c5f45914..261a7bd89d 100644 --- a/apps/codecs/libwmapro/wmapro_math.h +++ b/apps/codecs/libwmapro/wmapro_math.h | |||
| @@ -223,40 +223,6 @@ static inline void vector_fixmul_window(int32_t *dst, const int32_t *src0, | |||
| 223 | : [dst]"+r"(dst), [src]"+r"(src) \ | 223 | : [dst]"+r"(dst), [src]"+r"(src) \ |
| 224 | : [mul]"r"(mul) \ | 224 | : [mul]"r"(mul) \ |
| 225 | : "r0", "r1", "r2", "r3", "r4", "r5", "memory"); | 225 | : "r0", "r1", "r2", "r3", "r4", "r5", "memory"); |
| 226 | /* Disable ColdFire version until a correct version is written | ||
| 227 | #elif defined (CPU_COLDFIRE) | ||
| 228 | #define VECT_MUL_SCALAR_KERNEL(dst, src, mul) \ | ||
| 229 | int32_t tmp; \ | ||
| 230 | asm volatile ( \ | ||
| 231 | "movem.l (%[src]), %%d0-%%d3 \n\t" \ | ||
| 232 | "mac.l %[mul], %%d0, %%acc0 \n\t" \ | ||
| 233 | "mac.l %[mul], %%d1, %%acc1 \n\t" \ | ||
| 234 | "mac.l %[mul], %%d2, %%acc2 \n\t" \ | ||
| 235 | "mac.l %[mul], %%d3, %%acc3 \n\t" \ | ||
| 236 | "move.l %%accext01, %[tmp] \n\t" \ | ||
| 237 | "movclr.l %%acc0, %%d0 \n\t" \ | ||
| 238 | "movclr.l %%acc1, %%d1 \n\t" \ | ||
| 239 | "lsl.l #7, %%d0 \n\t" \ | ||
| 240 | "move.b %[tmp], %%d0 \n\t" \ | ||
| 241 | "swap %[tmp] \n\t" \ | ||
| 242 | "lsl.l #7, %%d1 \n\t" \ | ||
| 243 | "move.b %[tmp], %%d1 \n\t" \ | ||
| 244 | "move.l %%accext23, %[tmp] \n\t" \ | ||
| 245 | "movclr.l %%acc2, %%d2 \n\t" \ | ||
| 246 | "movclr.l %%acc3, %%d3 \n\t" \ | ||
| 247 | "lsl.l #7, %%d2 \n\t" \ | ||
| 248 | "move.b %[tmp], %%d2 \n\t" \ | ||
| 249 | "swap %[tmp] \n\t" \ | ||
| 250 | "lsl.l #7, %%d3 \n\t" \ | ||
| 251 | "move.b %[tmp], %%d3 \n\t" \ | ||
| 252 | "movem.l %%d0-%%d3, (%[dst]) \n\t" \ | ||
| 253 | "lea.l (4*4, %[src]), %[src]\n\t" \ | ||
| 254 | "lea.l (4*4, %[dst]), %[dst]\n\t" \ | ||
| 255 | : [dst] "+a" (dst), [src] "+a" (src),\ | ||
| 256 | [tmp] "=d" (tmp) \ | ||
| 257 | : [mul] "r" (mul) \ | ||
| 258 | : "d0", "d1", "d2", "d3", "memory", "cc"); | ||
| 259 | */ | ||
| 260 | #else | 226 | #else |
| 261 | #define VECT_MUL_SCALAR_KERNEL(dst, src, mul) \ | 227 | #define VECT_MUL_SCALAR_KERNEL(dst, src, mul) \ |
| 262 | dst[i ] = fixmul16(src[i ], mul); \ | 228 | dst[i ] = fixmul16(src[i ], mul); \ |