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ARM: remove volatile from asm statements in libavutil/intmath

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The volatile qualifiers are not needed on these statements as
their effects are fully specified by constraints.

Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard 2011-05-24 15:45:50 +01:00
parent 74cc8c52ed
commit 77cd6efc33
1 changed files with 16 additions and 16 deletions
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14
libavutil/arm/intmath.h
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@ -34,7 +34,7 @@
static av_always_inline av_const int FASTDIV(int a, int b) static av_always_inline av_const int FASTDIV(int a, int b)
{ {
int r, t; int r, t;
__asm__ volatile("cmp %3, #2 \n\t" __asm__ ("cmp %3, #2 \n\t"
"ldr %1, [%4, %3, lsl #2] \n\t" "ldr %1, [%4, %3, lsl #2] \n\t"
"lsrle %0, %2, #1 \n\t" "lsrle %0, %2, #1 \n\t"
"smmulgt %0, %1, %2 \n\t" "smmulgt %0, %1, %2 \n\t"
@ -46,7 +46,7 @@ static av_always_inline av_const int FASTDIV(int a, int b)
static av_always_inline av_const uint8_t av_clip_uint8_arm(int a) static av_always_inline av_const uint8_t av_clip_uint8_arm(int a)
{ {
unsigned x; unsigned x;
__asm__ volatile ("usat %0, #8, %1" : "=r"(x) : "r"(a)); __asm__ ("usat %0, #8, %1" : "=r"(x) : "r"(a));
return x; return x;
} }
@ -54,7 +54,7 @@ static av_always_inline av_const uint8_t av_clip_uint8_arm(int a)
static av_always_inline av_const uint8_t av_clip_int8_arm(int a) static av_always_inline av_const uint8_t av_clip_int8_arm(int a)
{ {
unsigned x; unsigned x;
__asm__ volatile ("ssat %0, #8, %1" : "=r"(x) : "r"(a)); __asm__ ("ssat %0, #8, %1" : "=r"(x) : "r"(a));
return x; return x;
} }
@ -62,7 +62,7 @@ static av_always_inline av_const uint8_t av_clip_int8_arm(int a)
static av_always_inline av_const uint16_t av_clip_uint16_arm(int a) static av_always_inline av_const uint16_t av_clip_uint16_arm(int a)
{ {
unsigned x; unsigned x;
__asm__ volatile ("usat %0, #16, %1" : "=r"(x) : "r"(a)); __asm__ ("usat %0, #16, %1" : "=r"(x) : "r"(a));
return x; return x;
} }
@ -70,7 +70,7 @@ static av_always_inline av_const uint16_t av_clip_uint16_arm(int a)
static av_always_inline av_const int16_t av_clip_int16_arm(int a) static av_always_inline av_const int16_t av_clip_int16_arm(int a)
{ {
int x; int x;
__asm__ volatile ("ssat %0, #16, %1" : "=r"(x) : "r"(a)); __asm__ ("ssat %0, #16, %1" : "=r"(x) : "r"(a));
return x; return x;
} }
@ -80,7 +80,7 @@ static av_always_inline av_const int16_t av_clip_int16_arm(int a)
static av_always_inline av_const int FASTDIV(int a, int b) static av_always_inline av_const int FASTDIV(int a, int b)
{ {
int r, t; int r, t;
__asm__ volatile("umull %1, %0, %2, %3" __asm__ ("umull %1, %0, %2, %3"
: "=&r"(r), "=&r"(t) : "r"(a), "r"(ff_inverse[b])); : "=&r"(r), "=&r"(t) : "r"(a), "r"(ff_inverse[b]));
return r; return r;
} }
@ -91,7 +91,7 @@ static av_always_inline av_const int FASTDIV(int a, int b)
static av_always_inline av_const int32_t av_clipl_int32_arm(int64_t a) static av_always_inline av_const int32_t av_clipl_int32_arm(int64_t a)
{ {
int x, y; int x, y;
__asm__ volatile ("adds %1, %R2, %Q2, lsr #31 \n\t" __asm__ ("adds %1, %R2, %Q2, lsr #31 \n\t"
"mvnne %1, #1<<31 \n\t" "mvnne %1, #1<<31 \n\t"
"moveq %0, %Q2 \n\t" "moveq %0, %Q2 \n\t"
"eorne %0, %1, %R2, asr #31 \n\t" "eorne %0, %1, %R2, asr #31 \n\t"