diff options
Diffstat (limited to 'libavcodec/arm/mpegvideo_armv5te_s.S')
-rw-r--r-- | libavcodec/arm/mpegvideo_armv5te_s.S | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libavcodec/arm/mpegvideo_armv5te_s.S b/libavcodec/arm/mpegvideo_armv5te_s.S index e3461601d5..952c8d74cb 100644 --- a/libavcodec/arm/mpegvideo_armv5te_s.S +++ b/libavcodec/arm/mpegvideo_armv5te_s.S @@ -38,15 +38,21 @@ .macro dequant_t dst, src, mul, add, tmp rsbs \tmp, ip, \src, asr #16 + it gt addgt \tmp, \add, #0 + it lt rsblt \tmp, \add, #0 + it ne smlatbne \dst, \src, \mul, \tmp .endm .macro dequant_b dst, src, mul, add, tmp rsbs \tmp, ip, \src, lsl #16 + it gt addgt \tmp, \add, #0 + it lt rsblt \tmp, \add, #0 + it ne smlabbne \dst, \src, \mul, \tmp .endm @@ -80,21 +86,27 @@ function ff_dct_unquantize_h263_armv5te, export=1 strh lr, [r0], #2 subs r3, r3, #8 + it gt ldrdgt r4, [r0, #0] /* load data early to avoid load/use pipeline stall */ bgt 1b adds r3, r3, #2 + it le pople {r4-r9,pc} 2: ldrsh r9, [r0, #0] ldrsh lr, [r0, #2] mov r8, r2 cmp r9, #0 + it lt rsblt r8, r2, #0 + it ne smlabbne r9, r9, r1, r8 mov r8, r2 cmp lr, #0 + it lt rsblt r8, r2, #0 + it ne smlabbne lr, lr, r1, r8 strh r9, [r0], #2 strh lr, [r0], #2 |