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Merge from branches/mdctexp - faster ifft+imdct in codec lib

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24712 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dave Hooper 2010-02-17 00:49:53 +00:00
parent 62257ebc38
commit 42774d3128
31 changed files with 2000 additions and 320 deletions
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60
apps/codecs/lib/asm_arm.h
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@ -23,7 +23,7 @@ static inline int32_t MULT32(int32_t x, int32_t y) {
int lo,hi;
asm volatile("smull\t%0, %1, %2, %3"
: "=&r"(lo),"=&r"(hi)
: "%r"(x),"r"(y) );
: "r"(x),"r"(y) );
return(hi);
}
@ -37,7 +37,7 @@ static inline int32_t MULT31_SHIFT15(int32_t x, int32_t y) {
"movs %0, %0, lsr #15\n\t"
"adc %1, %0, %1, lsl #17\n\t"
: "=&r"(lo),"=&r"(hi)
: "%r"(x),"r"(y)
: "r"(x),"r"(y)
: "cc" );
return(hi);
}
@ -45,13 +45,13 @@ static inline int32_t MULT31_SHIFT15(int32_t x, int32_t y) {
#define XPROD32(a, b, t, v, x, y) \
{ \
long l; \
asm( "smull %0, %1, %4, %6\n\t" \
"rsb %3, %4, #0\n\t" \
"smlal %0, %1, %5, %7\n\t" \
"smull %0, %2, %5, %6\n\t" \
"smlal %0, %2, %3, %7" \
: "=&r" (l), "=&r" (x), "=&r" (y), "=r" ((a)) \
: "3" ((a)), "r" ((b)), "r" ((t)), "r" ((v)) ); \
asm( "smull %0, %1, %3, %5\n\t" \
"rsb %2, %6, #0\n\t" \
"smlal %0, %1, %4, %6\n\t" \
"smull %0, %2, %3, %2\n\t" \
"smlal %0, %2, %4, %5" \
: "=&r" (l), "=&r" (x), "=&r" (y) \
: "r" ((a)), "r" ((b)), "r" ((t)), "r" ((v)) ); \
}
static inline void XPROD31(int32_t a, int32_t b,
@ -59,13 +59,13 @@ static inline void XPROD31(int32_t a, int32_t b,
int32_t *x, int32_t *y)
{
int x1, y1, l;
asm( "smull %0, %1, %4, %6\n\t"
"rsb %3, %4, #0\n\t"
"smlal %0, %1, %5, %7\n\t"
"smull %0, %2, %5, %6\n\t"
"smlal %0, %2, %3, %7"
: "=&r" (l), "=&r" (x1), "=&r" (y1), "=r" (a)
: "3" (a), "r" (b), "r" (t), "r" (v) );
asm( "smull %0, %1, %3, %5\n\t"
"rsb %2, %6, #0\n\t"
"smlal %0, %1, %4, %6\n\t"
"smull %0, %2, %3, %2\n\t"
"smlal %0, %2, %4, %5"
: "=&r" (l), "=&r" (x1), "=&r" (y1)
: "r" (a), "r" (b), "r" (t), "r" (v) );
*x = x1 << 1;
*y = y1 << 1;
}
@ -86,6 +86,34 @@ static inline void XNPROD31(int32_t a, int32_t b,
*y = y1 << 1;
}
#define XPROD31_R(_a, _b, _t, _v, _x, _y)\
{\
int x1, y1, l;\
asm( "smull %0, %1, %5, %3\n\t"\
"rsb %2, %3, #0\n\t"\
"smlal %0, %1, %6, %4\n\t"\
"smull %0, %2, %6, %2\n\t"\
"smlal %0, %2, %5, %4"\
: "=&r" (l), "=&r" (x1), "=&r" (y1)\
: "r" (_a), "r" (_b), "r" (_t), "r" (_v) );\
_x = x1 << 1;\
_y = y1 << 1;\
}
#define XNPROD31_R(_a, _b, _t, _v, _x, _y)\
{\
int x1, y1, l;\
asm( "smull %0, %1, %5, %3\n\t"\
"rsb %2, %4, #0\n\t"\
"smlal %0, %1, %6, %2\n\t"\
"smull %0, %2, %5, %4\n\t"\
"smlal %0, %2, %6, %3"\
: "=&r" (l), "=&r" (x1), "=&r" (y1)\
: "r" (_a), "r" (_b), "r" (_t), "r" (_v) );\
_x = x1 << 1;\
_y = y1 << 1;\
}
#ifndef _V_VECT_OPS
#define _V_VECT_OPS