b8eb272e48
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24663 a1c6a512-1295-4272-9138-f99709370657
219 lines
5.7 KiB
C
219 lines
5.7 KiB
C
/*
|
|
|
|
libdemac - A Monkey's Audio decoder
|
|
|
|
$Id$
|
|
|
|
Copyright (C) Dave Chapman 2007
|
|
|
|
MMX vector math copyright (C) 2010 Jens Arnold
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
|
|
|
|
*/
|
|
|
|
#define FUSED_VECTOR_MATH
|
|
|
|
#define __E(__e) #__e
|
|
#define __S(__e) __E(__e)
|
|
|
|
static inline int32_t vector_sp_add(int16_t* v1, int16_t* f2, int16_t *s2)
|
|
{
|
|
int res, t;
|
|
#if ORDER > 256
|
|
int cnt = ORDER>>8;
|
|
#endif
|
|
|
|
asm volatile (
|
|
#if ORDER > 256
|
|
"pxor %%mm2, %%mm2 \n"
|
|
".set ofs, 0 \n"
|
|
"1: \n"
|
|
".rept 64 \n"
|
|
#else
|
|
"movq (%[v1]), %%mm2 \n"
|
|
"movq %%mm2, %%mm0 \n"
|
|
"pmaddwd (%[f2]), %%mm2 \n"
|
|
"paddw (%[s2]), %%mm0 \n"
|
|
"movq %%mm0, (%[v1]) \n"
|
|
".set ofs, 8 \n"
|
|
|
|
".rept " __S(ORDER>>2 - 1) "\n"
|
|
#endif
|
|
"movq ofs(%[v1]), %%mm1 \n"
|
|
"movq %%mm1, %%mm0 \n"
|
|
"pmaddwd ofs(%[f2]), %%mm1 \n"
|
|
"paddw ofs(%[s2]), %%mm0 \n"
|
|
"movq %%mm0, ofs(%[v1]) \n"
|
|
"paddd %%mm1, %%mm2 \n"
|
|
".set ofs, ofs + 8 \n"
|
|
".endr \n"
|
|
#if ORDER > 256
|
|
"add $512, %[v1] \n"
|
|
"add $512, %[s2] \n"
|
|
"add $512, %[f2] \n"
|
|
"dec %[cnt] \n"
|
|
"jne 1b \n"
|
|
#endif
|
|
|
|
"movd %%mm2, %[t] \n"
|
|
"psrlq $32, %%mm2 \n"
|
|
"movd %%mm2, %[res] \n"
|
|
"add %[t], %[res] \n"
|
|
: /* outputs */
|
|
#if ORDER > 256
|
|
[cnt]"+r"(cnt),
|
|
[s2] "+r"(s2),
|
|
[res]"=r"(res),
|
|
[t] "=r"(t)
|
|
: /* inputs */
|
|
[v1]"2"(v1),
|
|
[f2]"3"(f2)
|
|
#else
|
|
[res]"=r"(res),
|
|
[t] "=r"(t)
|
|
: /* inputs */
|
|
[v1]"r"(v1),
|
|
[f2]"r"(f2),
|
|
[s2]"r"(s2)
|
|
#endif
|
|
: /* clobbers */
|
|
"mm0", "mm1", "mm2"
|
|
);
|
|
return res;
|
|
}
|
|
|
|
static inline int32_t vector_sp_sub(int16_t* v1, int16_t* f2, int16_t *s2)
|
|
{
|
|
int res, t;
|
|
#if ORDER > 256
|
|
int cnt = ORDER>>8;
|
|
#endif
|
|
|
|
asm volatile (
|
|
#if ORDER > 256
|
|
"pxor %%mm2, %%mm2 \n"
|
|
".set ofs, 0 \n"
|
|
"1: \n"
|
|
".rept 64 \n"
|
|
#else
|
|
"movq (%[v1]), %%mm2 \n"
|
|
"movq %%mm2, %%mm0 \n"
|
|
"pmaddwd (%[f2]), %%mm2 \n"
|
|
"psubw (%[s2]), %%mm0 \n"
|
|
"movq %%mm0, (%[v1]) \n"
|
|
".set ofs, 8 \n"
|
|
|
|
".rept " __S(ORDER>>2 - 1) "\n"
|
|
#endif
|
|
"movq ofs(%[v1]), %%mm1 \n"
|
|
"movq %%mm1, %%mm0 \n"
|
|
"pmaddwd ofs(%[f2]), %%mm1 \n"
|
|
"psubw ofs(%[s2]), %%mm0 \n"
|
|
"movq %%mm0, ofs(%[v1]) \n"
|
|
"paddd %%mm1, %%mm2 \n"
|
|
".set ofs, ofs + 8 \n"
|
|
".endr \n"
|
|
#if ORDER > 256
|
|
"add $512, %[v1] \n"
|
|
"add $512, %[s2] \n"
|
|
"add $512, %[f2] \n"
|
|
"dec %[cnt] \n"
|
|
"jne 1b \n"
|
|
#endif
|
|
|
|
"movd %%mm2, %[t] \n"
|
|
"psrlq $32, %%mm2 \n"
|
|
"movd %%mm2, %[res] \n"
|
|
"add %[t], %[res] \n"
|
|
: /* outputs */
|
|
#if ORDER > 256
|
|
[cnt]"+r"(cnt),
|
|
[s2] "+r"(s2),
|
|
[res]"=r"(res),
|
|
[t] "=r"(t)
|
|
: /* inputs */
|
|
[v1]"2"(v1),
|
|
[f2]"3"(f2)
|
|
#else
|
|
[res]"=r"(res),
|
|
[t] "=r"(t)
|
|
: /* inputs */
|
|
[v1]"r"(v1),
|
|
[f2]"r"(f2),
|
|
[s2]"r"(s2)
|
|
#endif
|
|
: /* clobbers */
|
|
"mm0", "mm1", "mm2"
|
|
);
|
|
return res;
|
|
}
|
|
|
|
static inline int32_t scalarproduct(int16_t* v1, int16_t* v2)
|
|
{
|
|
int res, t;
|
|
#if ORDER > 256
|
|
int cnt = ORDER>>8;
|
|
#endif
|
|
|
|
asm volatile (
|
|
#if ORDER > 256
|
|
"pxor %%mm1, %%mm1 \n"
|
|
".set ofs, 0 \n"
|
|
"1: \n"
|
|
".rept 64 \n"
|
|
#else
|
|
"movq (%[v1]), %%mm1 \n"
|
|
"pmaddwd (%[v2]), %%mm1 \n"
|
|
".set ofs, 8 \n"
|
|
|
|
".rept " __S(ORDER>>2 - 1) "\n"
|
|
#endif
|
|
"movq ofs(%[v1]), %%mm0 \n"
|
|
"pmaddwd ofs(%[v2]), %%mm0 \n"
|
|
"paddd %%mm0, %%mm1 \n"
|
|
".set ofs, ofs + 8 \n"
|
|
".endr \n"
|
|
#if ORDER > 256
|
|
"add $512, %[v1] \n"
|
|
"add $512, %[v2] \n"
|
|
"dec %[cnt] \n"
|
|
"jne 1b \n"
|
|
#endif
|
|
|
|
"movd %%mm1, %[t] \n"
|
|
"psrlq $32, %%mm1 \n"
|
|
"movd %%mm1, %[res] \n"
|
|
"add %[t], %[res] \n"
|
|
: /* outputs */
|
|
#if ORDER > 256
|
|
[cnt]"+r"(cnt),
|
|
[res]"=r"(res),
|
|
[t] "=r"(t)
|
|
: /* inputs */
|
|
[v1]"1"(v1),
|
|
[v2]"2"(v2)
|
|
#else
|
|
[res]"=r"(res),
|
|
[t] "=r"(t)
|
|
: /* inputs */
|
|
[v1]"r"(v1),
|
|
[v2]"r"(v2)
|
|
#endif
|
|
: /* clobbers */
|
|
"mm0", "mm1"
|
|
);
|
|
return res;
|
|
}
|