ref: 9d29d7628062d8db6795c73eccbbbf2c3df41e00
parent: e99e4a64e0ca6a00335a2d4171c2e71cc3064ca7
author: Jian Zhou <zhoujian@google.com>
date: Tue Nov 24 07:16:05 EST 2015
SSE2 speed up of h_predictor_4x4 Relocate h_predictor_4x4 from SSSE3 to SSE2 with XMM registers. Speed up by ~25% in ./test_intra_pred_speed. Change-Id: I64e14c13b482a471449be3559bfb0da45cf88d9d
--- a/test/test_intra_pred_speed.cc
+++ b/test/test_intra_pred_speed.cc
@@ -195,15 +195,16 @@
#endif // HAVE_SSE && CONFIG_USE_X86INC
#if HAVE_SSE2 && CONFIG_USE_X86INC
-INTRA_PRED_TEST(SSE2, TestIntraPred4, NULL, NULL, NULL, NULL, NULL, NULL,
- NULL, NULL, NULL, NULL, NULL, NULL, vpx_tm_predictor_4x4_sse2)
+INTRA_PRED_TEST(SSE2, TestIntraPred4, NULL, NULL, NULL, NULL, NULL,
+ vpx_h_predictor_4x4_sse2, NULL, NULL, NULL, NULL, NULL, NULL,
+ vpx_tm_predictor_4x4_sse2)
#endif // HAVE_SSE2 && CONFIG_USE_X86INC
#if HAVE_SSSE3 && CONFIG_USE_X86INC
INTRA_PRED_TEST(SSSE3, TestIntraPred4, NULL, NULL, NULL, NULL, NULL,
- vpx_h_predictor_4x4_ssse3, vpx_d45_predictor_4x4_ssse3, NULL,
- NULL, vpx_d153_predictor_4x4_ssse3,
- vpx_d207_predictor_4x4_ssse3, vpx_d63_predictor_4x4_ssse3, NULL)
+ NULL, vpx_d45_predictor_4x4_ssse3, NULL, NULL,
+ vpx_d153_predictor_4x4_ssse3, vpx_d207_predictor_4x4_ssse3,
+ vpx_d63_predictor_4x4_ssse3, NULL)
#endif // HAVE_SSSE3 && CONFIG_USE_X86INC
#if HAVE_DSPR2
--- a/vpx_dsp/vpx_dsp_rtcd_defs.pl
+++ b/vpx_dsp/vpx_dsp_rtcd_defs.pl
@@ -76,7 +76,7 @@
specialize qw/vpx_d63f_predictor_4x4/;
add_proto qw/void vpx_h_predictor_4x4/, "uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left";
-specialize qw/vpx_h_predictor_4x4 neon dspr2 msa/, "$ssse3_x86inc";
+specialize qw/vpx_h_predictor_4x4 neon dspr2 msa/, "$sse2_x86inc";
add_proto qw/void vpx_he_predictor_4x4/, "uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left";
specialize qw/vpx_he_predictor_4x4/;
--- a/vpx_dsp/x86/intrapred_sse2.asm
+++ b/vpx_dsp/x86/intrapred_sse2.asm
@@ -516,6 +516,22 @@
REP_RET
INIT_XMM sse2
+cglobal h_predictor_4x4, 2, 4, 4, dst, stride, line, left
+ movifnidn leftq, leftmp
+ movd m0, [leftq]
+ punpcklbw m0, m0
+ punpcklbw m0, m0
+ pshufd m1, m0, 0x1
+ movd [dstq ], m0
+ movd [dstq+strideq], m1
+ pshufd m2, m0, 0x2
+ lea dstq, [dstq+strideq*2]
+ pshufd m3, m0, 0x3
+ movd [dstq ], m2
+ movd [dstq+strideq], m3
+ RET
+
+INIT_XMM sse2
cglobal tm_predictor_4x4, 4, 4, 5, dst, stride, above, left
pxor m1, m1
movq m0, [aboveq-1]; [63:0] tl t1 t2 t3 t4 x x x
--- a/vpx_dsp/x86/intrapred_ssse3.asm
+++ b/vpx_dsp/x86/intrapred_ssse3.asm
@@ -34,24 +34,6 @@
SECTION .text
INIT_MMX ssse3
-cglobal h_predictor_4x4, 2, 4, 3, dst, stride, line, left
- movifnidn leftq, leftmp
- add leftq, 4
- mov lineq, -2
- pxor m0, m0
-.loop:
- movd m1, [leftq+lineq*2 ]
- movd m2, [leftq+lineq*2+1]
- pshufb m1, m0
- pshufb m2, m0
- movd [dstq ], m1
- movd [dstq+strideq], m2
- lea dstq, [dstq+strideq*2]
- inc lineq
- jnz .loop
- REP_RET
-
-INIT_MMX ssse3
cglobal h_predictor_8x8, 2, 4, 3, dst, stride, line, left
movifnidn leftq, leftmp
add leftq, 8
--
⑨