Commit e86c7c86 authored by Jian Zhou's avatar Jian Zhou

Speed up h_predictor_16x16

Relocate the function from SSSE3 to SSE2, Unroll loop from 8 to 4,
and reduce mem access to left.
Speed up by >20% in ./test_intra_pred_speed.

Change-Id: Ie48229c2e32404706b722442942c84983bda74cc
parent da3f08fa
......@@ -290,13 +290,13 @@ INTRA_PRED_TEST(SSE2, TestIntraPred16, vpx_dc_predictor_16x16_sse2,
vpx_dc_left_predictor_16x16_sse2,
vpx_dc_top_predictor_16x16_sse2,
vpx_dc_128_predictor_16x16_sse2, vpx_v_predictor_16x16_sse2,
NULL, NULL, NULL, NULL, NULL, NULL, NULL,
vpx_h_predictor_16x16_sse2, NULL, NULL, NULL, NULL, NULL, NULL,
vpx_tm_predictor_16x16_sse2)
#endif // HAVE_SSE2 && CONFIG_USE_X86INC
#if HAVE_SSSE3 && CONFIG_USE_X86INC
INTRA_PRED_TEST(SSSE3, TestIntraPred16, NULL, NULL, NULL, NULL, NULL,
vpx_h_predictor_16x16_ssse3, vpx_d45_predictor_16x16_ssse3,
NULL, vpx_d45_predictor_16x16_ssse3,
NULL, NULL, vpx_d153_predictor_16x16_ssse3,
vpx_d207_predictor_16x16_ssse3, vpx_d63_predictor_16x16_ssse3,
NULL)
......
......@@ -178,7 +178,7 @@ add_proto qw/void vpx_d63e_predictor_16x16/, "uint8_t *dst, ptrdiff_t y_stride,
specialize qw/vpx_d63e_predictor_16x16/;
add_proto qw/void vpx_h_predictor_16x16/, "uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left";
specialize qw/vpx_h_predictor_16x16 neon dspr2 msa/, "$ssse3_x86inc";
specialize qw/vpx_h_predictor_16x16 neon dspr2 msa/, "$sse2_x86inc";
add_proto qw/void vpx_d117_predictor_16x16/, "uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left";
specialize qw/vpx_d117_predictor_16x16/;
......
......@@ -556,6 +556,30 @@ cglobal h_predictor_8x8, 2, 5, 3, dst, stride, line, left
jnz .loop
REP_RET
INIT_XMM sse2
cglobal h_predictor_16x16, 2, 5, 3, dst, stride, line, left
movifnidn leftq, leftmp
mov lineq, -4
DEFINE_ARGS dst, stride, line, left, stride3
lea stride3q, [strideq*3]
.loop:
movd m0, [leftq]
punpcklbw m0, m0
punpcklbw m0, m0 ; l1 to l4 each repeated 4 times
pshufd m1, m0, 0x0 ; l1 repeated 16 times
pshufd m2, m0, 0x55 ; l2 repeated 16 times
mova [dstq ], m1
mova [dstq+strideq ], m2
pshufd m1, m0, 0xaa
pshufd m2, m0, 0xff
mova [dstq+strideq*2], m1
mova [dstq+stride3q ], m2
inc lineq
lea leftq, [leftq+4 ]
lea dstq, [dstq+strideq*4]
jnz .loop
REP_RET
INIT_XMM sse2
cglobal tm_predictor_4x4, 4, 4, 5, dst, stride, above, left
pxor m1, m1
......
......@@ -33,24 +33,6 @@ sh_b2333: db 2, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
SECTION .text
INIT_XMM ssse3
cglobal h_predictor_16x16, 2, 4, 3, dst, stride, line, left
movifnidn leftq, leftmp
add leftq, 16
mov lineq, -8
pxor m0, m0
.loop:
movd m1, [leftq+lineq*2 ]
movd m2, [leftq+lineq*2+1]
pshufb m1, m0
pshufb m2, m0
mova [dstq ], m1
mova [dstq+strideq], m2
lea dstq, [dstq+strideq*2]
inc lineq
jnz .loop
REP_RET
INIT_XMM ssse3
cglobal h_predictor_32x32, 2, 4, 3, dst, stride, line, left
movifnidn leftq, leftmp
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment