diff options
author | Mans Rullgard <mans@mansr.com> | 2011-05-30 19:37:06 +0400 |
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committer | Mans Rullgard <mans@mansr.com> | 2011-05-31 00:19:57 +0400 |
commit | 6bb70dfd7466ff89259285d5714b5caa6ca954f9 (patch) | |
tree | 1c0cb105fc7165f4c979c5fc3552850ea9fd9b97 /libavcodec/arm | |
parent | 371266daa3df35c424203fff0ce2e6de0e33a29d (diff) |
ARM: simplify inline asm with 64-bit operands
Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavcodec/arm')
-rw-r--r-- | libavcodec/arm/mathops.h | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/libavcodec/arm/mathops.h b/libavcodec/arm/mathops.h index 3a7a1f3ee9..dfa941161a 100644 --- a/libavcodec/arm/mathops.h +++ b/libavcodec/arm/mathops.h @@ -59,19 +59,16 @@ static inline av_const int MULH(int a, int b) static inline av_const int64_t MUL64(int a, int b) { - union { uint64_t x; unsigned hl[2]; } x; - __asm__ ("smull %0, %1, %2, %3" - : "=r"(x.hl[0]), "=r"(x.hl[1]) : "r"(a), "r"(b)); - return x.x; + int64_t x; + __asm__ ("smull %Q0, %R0, %1, %2" : "=r"(x) : "r"(a), "r"(b)); + return x; } #define MUL64 MUL64 static inline av_const int64_t MAC64(int64_t d, int a, int b) { - union { uint64_t x; unsigned hl[2]; } x = { d }; - __asm__ ("smlal %0, %1, %2, %3" - : "+r"(x.hl[0]), "+r"(x.hl[1]) : "r"(a), "r"(b)); - return x.x; + __asm__ ("smlal %Q0, %R0, %1, %2" : "+r"(d) : "r"(a), "r"(b)); + return d; } #define MAC64(d, a, b) ((d) = MAC64(d, a, b)) #define MLS64(d, a, b) MAC64(d, -(a), b) |