summaryrefslogtreecommitdiff
path: root/libavutil
diff options
context:
space:
mode:
Diffstat (limited to 'libavutil')
-rw-r--r--libavutil/bswap.h50
-rw-r--r--libavutil/common.h43
-rw-r--r--libavutil/x86_cpu.h60
3 files changed, 75 insertions, 78 deletions
diff --git a/libavutil/bswap.h b/libavutil/bswap.h
index 850cbe3201..ee75f88c34 100644
--- a/libavutil/bswap.h
+++ b/libavutil/bswap.h
@@ -42,11 +42,11 @@
static av_always_inline uint16_t bswap_16(uint16_t x)
{
#if defined(ARCH_X86)
- __asm("rorw $8, %0" :
- LEGACY_REGS (x) :
- "0" (x));
+ __asm("rorw $8, %0" :
+ LEGACY_REGS (x) :
+ "0" (x));
#elif defined(ARCH_SH4)
- __asm__("swap.b %0,%0":"=r"(x):"0"(x));
+ __asm__("swap.b %0,%0":"=r"(x):"0"(x));
#else
x= (x>>8) | (x<<8);
#endif
@@ -57,35 +57,33 @@ static av_always_inline uint32_t bswap_32(uint32_t x)
{
#if defined(ARCH_X86)
#if __CPU__ != 386
- __asm("bswap %0":
- "=r" (x) :
+ __asm("bswap %0":
+ "=r" (x) :
#else
- __asm("xchgb %b0,%h0\n"
- " rorl $16,%0\n"
- " xchgb %b0,%h0":
- LEGACY_REGS (x) :
+ __asm("xchgb %b0,%h0\n"
+ "rorl $16,%0 \n"
+ "xchgb %b0,%h0":
+ LEGACY_REGS (x) :
#endif
- "0" (x));
+ "0" (x));
#elif defined(ARCH_SH4)
- __asm__(
- "swap.b %0,%0\n"
- "swap.w %0,%0\n"
- "swap.b %0,%0\n"
- :"=r"(x):"0"(x));
+ __asm__("swap.b %0,%0\n"
+ "swap.w %0,%0\n"
+ "swap.b %0,%0\n"
+ :"=r"(x):"0"(x));
#elif defined(ARCH_ARM)
uint32_t t;
- __asm__ (
- "eor %1, %0, %0, ror #16 \n\t"
- "bic %1, %1, #0xFF0000 \n\t"
- "mov %0, %0, ror #8 \n\t"
- "eor %0, %0, %1, lsr #8 \n\t"
- : "+r"(x), "+r"(t));
+ __asm__ ("eor %1, %0, %0, ror #16 \n\t"
+ "bic %1, %1, #0xFF0000 \n\t"
+ "mov %0, %0, ror #8 \n\t"
+ "eor %0, %0, %1, lsr #8 \n\t"
+ : "+r"(x), "+r"(t));
#elif defined(ARCH_BFIN)
unsigned tmp;
- asm("%1 = %0 >> 8 (V);\n\t"
- "%0 = %0 << 8 (V);\n\t"
- "%0 = %0 | %1;\n\t"
- "%0 = PACK(%0.L, %0.H);\n\t"
+ asm("%1 = %0 >> 8 (V); \n\t"
+ "%0 = %0 << 8 (V); \n\t"
+ "%0 = %0 | %1; \n\t"
+ "%0 = PACK(%0.L, %0.H); \n\t"
: "+d"(x), "=&d"(tmp));
#else
x= ((x<<8)&0xFF00FF00) | ((x>>8)&0x00FF00FF);
diff --git a/libavutil/common.h b/libavutil/common.h
index c6356a857f..ce017b0908 100644
--- a/libavutil/common.h
+++ b/libavutil/common.h
@@ -172,7 +172,7 @@ static inline int mid_pred(int a, int b, int c)
*/
static inline int av_clip(int a, int amin, int amax)
{
- if (a < amin) return amin;
+ if (a < amin) return amin;
else if (a > amax) return amax;
else return a;
}
@@ -285,20 +285,18 @@ static inline int ff_get_fourcc(const char *s){
#if defined(ARCH_X86_64)
static inline uint64_t read_time(void)
{
- uint64_t a, d;
- asm volatile( "rdtsc\n\t"
- : "=a" (a), "=d" (d)
- );
- return (d << 32) | (a & 0xffffffff);
+ uint64_t a, d;
+ asm volatile("rdtsc\n\t"
+ : "=a" (a), "=d" (d));
+ return (d << 32) | (a & 0xffffffff);
}
#elif defined(ARCH_X86_32)
static inline long long read_time(void)
{
- long long l;
- asm volatile( "rdtsc\n\t"
- : "=A" (l)
- );
- return l;
+ long long l;
+ asm volatile("rdtsc\n\t"
+ : "=A" (l));
+ return l;
}
#elif ARCH_BFIN
static inline uint64_t read_time(void)
@@ -345,17 +343,18 @@ uint64_t tstart= AV_READ_TIME();\
#define STOP_TIMER(id) \
tend= AV_READ_TIME();\
{\
- static uint64_t tsum=0;\
- static int tcount=0;\
- static int tskip_count=0;\
- if(tcount<2 || tend - tstart < FFMAX(8*tsum/tcount, 2000)){\
- tsum+= tend - tstart;\
- tcount++;\
- }else\
- tskip_count++;\
- if(((tcount+tskip_count)&(tcount+tskip_count-1))==0){\
- av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" dezicycles in %s, %d runs, %d skips\n", tsum*10/tcount, id, tcount, tskip_count);\
- }\
+ static uint64_t tsum=0;\
+ static int tcount=0;\
+ static int tskip_count=0;\
+ if(tcount<2 || tend - tstart < FFMAX(8*tsum/tcount, 2000)){\
+ tsum+= tend - tstart;\
+ tcount++;\
+ }else\
+ tskip_count++;\
+ if(((tcount+tskip_count)&(tcount+tskip_count-1))==0){\
+ av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" dezicycles in %s, %d runs, %d skips\n",\
+ tsum*10/tcount, id, tcount, tskip_count);\
+ }\
}
#else
#define START_TIMER
diff --git a/libavutil/x86_cpu.h b/libavutil/x86_cpu.h
index f0e875f630..5ab570405d 100644
--- a/libavutil/x86_cpu.h
+++ b/libavutil/x86_cpu.h
@@ -22,47 +22,47 @@
#define FFMPEG_X86CPU_H
#ifdef ARCH_X86_64
-# define REG_a "rax"
-# define REG_b "rbx"
-# define REG_c "rcx"
-# define REG_d "rdx"
-# define REG_D "rdi"
-# define REG_S "rsi"
-# define PTR_SIZE "8"
+# define REG_a "rax"
+# define REG_b "rbx"
+# define REG_c "rcx"
+# define REG_d "rdx"
+# define REG_D "rdi"
+# define REG_S "rsi"
+# define PTR_SIZE "8"
-# define REG_SP "rsp"
-# define REG_BP "rbp"
-# define REGBP rbp
-# define REGa rax
-# define REGb rbx
-# define REGc rcx
-# define REGSP rsp
+# define REG_SP "rsp"
+# define REG_BP "rbp"
+# define REGBP rbp
+# define REGa rax
+# define REGb rbx
+# define REGc rcx
+# define REGSP rsp
#else
-# define REG_a "eax"
-# define REG_b "ebx"
-# define REG_c "ecx"
-# define REG_d "edx"
-# define REG_D "edi"
-# define REG_S "esi"
-# define PTR_SIZE "4"
+# define REG_a "eax"
+# define REG_b "ebx"
+# define REG_c "ecx"
+# define REG_d "edx"
+# define REG_D "edi"
+# define REG_S "esi"
+# define PTR_SIZE "4"
-# define REG_SP "esp"
-# define REG_BP "ebp"
-# define REGBP ebp
-# define REGa eax
-# define REGb ebx
-# define REGc ecx
-# define REGSP esp
+# define REG_SP "esp"
+# define REG_BP "ebp"
+# define REGBP ebp
+# define REGa eax
+# define REGb ebx
+# define REGc ecx
+# define REGSP esp
#endif
#if defined(ARCH_X86_64) || (defined(ARCH_X86_32) && defined(HAVE_EBX_AVAILABLE) && defined(HAVE_EBP_AVAILABLE))
-# define HAVE_7REGS 1
+# define HAVE_7REGS 1
#endif
#if defined(ARCH_X86_64) && defined(PIC)
-# define BROKEN_RELOCATIONS 1
+# define BROKEN_RELOCATIONS 1
#endif
#endif /* FFMPEG_X86CPU_H */