[FFmpeg-devel] [PATCH 1/6] avcodec/h264: change RETs into REP_RETs where appropriate
James Darnley
jdarnley at obe.tv
Sat Apr 15 04:46:13 EEST 2017
---
libavcodec/x86/h264_idct.asm | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/libavcodec/x86/h264_idct.asm b/libavcodec/x86/h264_idct.asm
index c36fea5..878ff02 100644
--- a/libavcodec/x86/h264_idct.asm
+++ b/libavcodec/x86/h264_idct.asm
@@ -695,7 +695,7 @@ cglobal h264_idct_add8_8, 5, 8 + npicregs, 0, dst1, block_offset, block, stride,
add r0mp, gprsize
%endif
call h264_idct_add8_mmx_plane
- RET
+ RET ; TODO: check rep ret after a function call
cglobal h264_idct_add8_422_8, 5, 8 + npicregs, 0, dst1, block_offset, block, stride, nnzc, cntr, coeff, dst2, picreg
; dst1, block_offset, block, stride, nnzc, cntr, coeff, dst2, picreg
@@ -727,7 +727,7 @@ cglobal h264_idct_add8_422_8, 5, 8 + npicregs, 0, dst1, block_offset, block, str
add r5, 4
call h264_idct_add8_mmx_plane
- RET
+ RET ; TODO: check rep ret after a function call
h264_idct_add8_mmxext_plane:
movsxdifnidn r3, r3d
@@ -795,7 +795,7 @@ cglobal h264_idct_add8_8, 5, 8 + npicregs, 0, dst1, block_offset, block, stride,
add r0mp, gprsize
%endif
call h264_idct_add8_mmxext_plane
- RET
+ RET ; TODO: check rep ret after a function call
; r0 = uint8_t *dst, r2 = int16_t *block, r3 = int stride, r6=clobbered
h264_idct_dc_add8_mmxext:
@@ -878,7 +878,7 @@ cglobal h264_idct_add16_8, 5, 5 + ARCH_X86_64, 8
add16_sse2_cycle 5, 0x24
add16_sse2_cycle 6, 0x1e
add16_sse2_cycle 7, 0x26
- RET
+REP_RET
%macro add16intra_sse2_cycle 2
movzx r0, word [r4+%2]
@@ -925,7 +925,7 @@ cglobal h264_idct_add16intra_8, 5, 7 + ARCH_X86_64, 8
add16intra_sse2_cycle 5, 0x24
add16intra_sse2_cycle 6, 0x1e
add16intra_sse2_cycle 7, 0x26
- RET
+REP_RET
%macro add8_sse2_cycle 2
movzx r0, word [r4+%2]
@@ -980,7 +980,7 @@ cglobal h264_idct_add8_8, 5, 7 + ARCH_X86_64, 8
%endif
add8_sse2_cycle 2, 0x5c
add8_sse2_cycle 3, 0x64
- RET
+REP_RET
;void ff_h264_luma_dc_dequant_idct_mmx(int16_t *output, int16_t *input, int qmul)
--
2.8.3
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