generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

ARM: change MULH() macro to inline function

Browse Source 
Originally committed as revision 15781 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2008-11-06 01:33:23 +00:00
parent 8f4d0d48b9
commit 73c1c96b83
1 changed files with 7 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
libavcodec/armv4l/mathops.h
View File

@ -39,6 +39,7 @@ static inline av_const int MULL(int a, int b)
}
#endif
#define MULH MULH
#ifdef HAVE_ARMV6
static inline av_const int MULH(int a, int b)
{
@ -46,12 +47,13 @@ static inline av_const int MULH(int a, int b)
__asm__ ("smmul %0, %1, %2" : "=r"(r) : "r"(a), "r"(b));
return r;
}
#define MULH MULH
#else
#define MULH(a, b) \
({ int lo, hi;\
__asm__ ("smull %0, %1, %2, %3" : "=&r"(lo), "=&r"(hi) : "r"(b), "r"(a));\
hi; })
static inline av_const int MULH(int a, int b)
{
int lo, hi;
__asm__ ("smull %0, %1, %2, %3" : "=&r"(lo), "=&r"(hi) : "r"(b), "r"(a));
return hi;
}
#endif
static inline av_const int64_t MUL64(int a, int b)