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ARM: remove unnecessary volatile from inline asm

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Signed-off-by: Mans Rullgard <mans@mansr.com>
pull/2/head
Mans Rullgard 14 years ago
parent 5726ec171b
commit 84e4804ad0
2 changed files with 34 additions and 34 deletions
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  1. 2
      libavcodec/arm/mathops.h
  2. 66
      libavcodec/arm/vp56_arith.h

2
libavcodec/arm/mathops.h
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@ -97,7 +97,7 @@ static inline av_const int MUL16(int ra, int rb)
static inline av_const int mid_pred(int a, int b, int c)
{
int m;
__asm__ volatile (
__asm__ (
"mov %0, %2 \n\t"
"cmp %1, %2 \n\t"
"movgt %0, %1 \n\t"

66
libavcodec/arm/vp56_arith.h
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@ -31,25 +31,25 @@ static inline int vp56_rac_get_prob_armv6(VP56RangeCoder *c, int pr)
unsigned high = c->high << shift;
unsigned bit;
__asm__ volatile ("adds %3, %3, %0 \n"
"cmpcs %7, %4 \n"
"ldrcsh %2, [%4], #2 \n"
"rsb %0, %6, #256 \n"
"smlabb %0, %5, %6, %0 \n"
"rev16cs %2, %2 \n"
"orrcs %1, %1, %2, lsl %3 \n"
"subcs %3, %3, #16 \n"
"lsr %0, %0, #8 \n"
"cmp %1, %0, lsl #16 \n"
"subge %1, %1, %0, lsl #16 \n"
"subge %0, %5, %0 \n"
"movge %2, #1 \n"
"movlt %2, #0 \n"
: "=&r"(c->high), "=&r"(c->code_word), "=&r"(bit),
"+&r"(c->bits), "+&r"(c->buffer)
: "r"(high), "r"(pr), "r"(c->end - 1),
"0"(shift), "1"(code_word)
: "cc");
__asm__ ("adds %3, %3, %0 \n"
"cmpcs %7, %4 \n"
"ldrcsh %2, [%4], #2 \n"
"rsb %0, %6, #256 \n"
"smlabb %0, %5, %6, %0 \n"
"rev16cs %2, %2 \n"
"orrcs %1, %1, %2, lsl %3 \n"
"subcs %3, %3, #16 \n"
"lsr %0, %0, #8 \n"
"cmp %1, %0, lsl #16 \n"
"subge %1, %1, %0, lsl #16 \n"
"subge %0, %5, %0 \n"
"movge %2, #1 \n"
"movlt %2, #0 \n"
: "=&r"(c->high), "=&r"(c->code_word), "=&r"(bit),
"+&r"(c->bits), "+&r"(c->buffer)
: "r"(high), "r"(pr), "r"(c->end - 1),
"0"(shift), "1"(code_word)
: "cc");
return bit;
}
@ -63,20 +63,20 @@ static inline int vp56_rac_get_prob_branchy_armv6(VP56RangeCoder *c, int pr)
unsigned low;
unsigned tmp;
__asm__ volatile ("adds %3, %3, %0 \n"
"cmpcs %7, %4 \n"
"ldrcsh %2, [%4], #2 \n"
"rsb %0, %6, #256 \n"
"smlabb %0, %5, %6, %0 \n"
"rev16cs %2, %2 \n"
"orrcs %1, %1, %2, lsl %3 \n"
"subcs %3, %3, #16 \n"
"lsr %0, %0, #8 \n"
"lsl %2, %0, #16 \n"
: "=&r"(low), "+&r"(code_word), "=&r"(tmp),
"+&r"(c->bits), "+&r"(c->buffer)
: "r"(high), "r"(pr), "r"(c->end - 1), "0"(shift)
: "cc");
__asm__ ("adds %3, %3, %0 \n"
"cmpcs %7, %4 \n"
"ldrcsh %2, [%4], #2 \n"
"rsb %0, %6, #256 \n"
"smlabb %0, %5, %6, %0 \n"
"rev16cs %2, %2 \n"
"orrcs %1, %1, %2, lsl %3 \n"
"subcs %3, %3, #16 \n"
"lsr %0, %0, #8 \n"
"lsl %2, %0, #16 \n"
: "=&r"(low), "+&r"(code_word), "=&r"(tmp),
"+&r"(c->bits), "+&r"(c->buffer)
: "r"(high), "r"(pr), "r"(c->end - 1), "0"(shift)
: "cc");
if (code_word >= tmp) {
c->high = high - low;

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