ref: d0ffae825d78f23ddb43f039ede525f06428b1c3
parent: 57566ff24adbf8109414ea908585cc5edec3ac70
author: Linfeng Zhang <[email protected]>
date: Wed May 11 08:39:42 EDT 2016
remove mmx variance functions there are sse2 equivalents which is a reasonable modern baseline Removed mmx variance functions: vpx_get_mb_ss_mmx() vpx_get8x8var_mmx() vpx_get4x4var_mmx() vpx_variance4x4_mmx() vpx_variance8x8_mmx() vpx_mse16x16_mmx() vpx_variance16x16_mmx() vpx_variance16x8_mmx() vpx_variance8x16_mmx() Change-Id: Iffaf85344c6676a3dd337c0645a2dd5deb2f86a1
--- a/test/variance_test.cc
+++ b/test/variance_test.cc
@@ -977,20 +977,6 @@
#endif // CONFIG_VP9_HIGHBITDEPTH
#if HAVE_MMX
-INSTANTIATE_TEST_CASE_P(MMX, VpxMseTest,
- ::testing::Values(make_tuple(4, 4, &vpx_mse16x16_mmx)));
-
-INSTANTIATE_TEST_CASE_P(MMX, SumOfSquaresTest,
- ::testing::Values(vpx_get_mb_ss_mmx));
-
-INSTANTIATE_TEST_CASE_P(
- MMX, VpxVarianceTest,
- ::testing::Values(make_tuple(4, 4, &vpx_variance16x16_mmx, 0),
- make_tuple(4, 3, &vpx_variance16x8_mmx, 0),
- make_tuple(3, 4, &vpx_variance8x16_mmx, 0),
- make_tuple(3, 3, &vpx_variance8x8_mmx, 0),
- make_tuple(2, 2, &vpx_variance4x4_mmx, 0)));
-
INSTANTIATE_TEST_CASE_P(
MMX, VpxSubpelVarianceTest,
::testing::Values(make_tuple(4, 4, &vpx_sub_pixel_variance16x16_mmx, 0),
--- a/vpx_dsp/vpx_dsp_rtcd_defs.pl
+++ b/vpx_dsp/vpx_dsp_rtcd_defs.pl
@@ -1407,16 +1407,16 @@
specialize qw/vpx_variance16x32 sse2 msa/;
add_proto qw/unsigned int vpx_variance16x16/, "const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse";
- specialize qw/vpx_variance16x16 mmx sse2 avx2 media neon msa/;
+ specialize qw/vpx_variance16x16 sse2 avx2 media neon msa/;
add_proto qw/unsigned int vpx_variance16x8/, "const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse";
- specialize qw/vpx_variance16x8 mmx sse2 neon msa/;
+ specialize qw/vpx_variance16x8 sse2 neon msa/;
add_proto qw/unsigned int vpx_variance8x16/, "const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse";
- specialize qw/vpx_variance8x16 mmx sse2 neon msa/;
+ specialize qw/vpx_variance8x16 sse2 neon msa/;
add_proto qw/unsigned int vpx_variance8x8/, "const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse";
- specialize qw/vpx_variance8x8 mmx sse2 media neon msa/;
+ specialize qw/vpx_variance8x8 sse2 media neon msa/;
add_proto qw/unsigned int vpx_variance8x4/, "const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse";
specialize qw/vpx_variance8x4 sse2 msa/;
@@ -1425,7 +1425,7 @@
specialize qw/vpx_variance4x8 sse2 msa/;
add_proto qw/unsigned int vpx_variance4x4/, "const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse";
- specialize qw/vpx_variance4x4 mmx sse2 msa/;
+ specialize qw/vpx_variance4x4 sse2 msa/;
#
# Specialty Variance
@@ -1434,10 +1434,10 @@
specialize qw/vpx_get16x16var sse2 avx2 neon msa/;
add_proto qw/void vpx_get8x8var/, "const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse, int *sum";
- specialize qw/vpx_get8x8var mmx sse2 neon msa/;
+ specialize qw/vpx_get8x8var sse2 neon msa/;
add_proto qw/unsigned int vpx_mse16x16/, "const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr, int recon_stride, unsigned int *sse";
- specialize qw/vpx_mse16x16 mmx sse2 avx2 media neon msa/;
+ specialize qw/vpx_mse16x16 sse2 avx2 media neon msa/;
add_proto qw/unsigned int vpx_mse16x8/, "const uint8_t *src_ptr, int source_stride, const uint8_t *ref_ptr, int recon_stride, unsigned int *sse";
specialize qw/vpx_mse16x8 sse2 msa/;
@@ -1449,7 +1449,7 @@
specialize qw/vpx_mse8x8 sse2 msa/;
add_proto qw/unsigned int vpx_get_mb_ss/, "const int16_t *";
- specialize qw/vpx_get_mb_ss mmx sse2 msa/;
+ specialize qw/vpx_get_mb_ss sse2 msa/;
add_proto qw/unsigned int vpx_get4x4sse_cs/, "const unsigned char *src_ptr, int source_stride, const unsigned char *ref_ptr, int ref_stride";
specialize qw/vpx_get4x4sse_cs neon msa/;
--- a/vpx_dsp/x86/variance_impl_mmx.asm
+++ b/vpx_dsp/x86/variance_impl_mmx.asm
@@ -13,407 +13,6 @@
%define mmx_filter_shift 7
-;unsigned int vpx_get_mb_ss_mmx( short *src_ptr )
-global sym(vpx_get_mb_ss_mmx) PRIVATE
-sym(vpx_get_mb_ss_mmx):
- push rbp
- mov rbp, rsp
- SHADOW_ARGS_TO_STACK 7
- GET_GOT rbx
- push rsi
- push rdi
- sub rsp, 8
- ; end prolog
-
- mov rax, arg(0) ;src_ptr
- mov rcx, 16
- pxor mm4, mm4
-
-.NEXTROW:
- movq mm0, [rax]
- movq mm1, [rax+8]
- movq mm2, [rax+16]
- movq mm3, [rax+24]
- pmaddwd mm0, mm0
- pmaddwd mm1, mm1
- pmaddwd mm2, mm2
- pmaddwd mm3, mm3
-
- paddd mm4, mm0
- paddd mm4, mm1
- paddd mm4, mm2
- paddd mm4, mm3
-
- add rax, 32
- dec rcx
- ja .NEXTROW
- movq QWORD PTR [rsp], mm4
-
- ;return sum[0]+sum[1];
- movsxd rax, dword ptr [rsp]
- movsxd rcx, dword ptr [rsp+4]
- add rax, rcx
-
- ; begin epilog
- add rsp, 8
- pop rdi
- pop rsi
- RESTORE_GOT
- UNSHADOW_ARGS
- pop rbp
- ret
-
-;void vpx_get8x8var_mmx
-;(
-; unsigned char *src_ptr,
-; int source_stride,
-; unsigned char *ref_ptr,
-; int recon_stride,
-; unsigned int *SSE,
-; int *Sum
-;)
-global sym(vpx_get8x8var_mmx) PRIVATE
-sym(vpx_get8x8var_mmx):
- push rbp
- mov rbp, rsp
- SHADOW_ARGS_TO_STACK 6
- push rsi
- push rdi
- push rbx
- sub rsp, 16
- ; end prolog
-
- pxor mm5, mm5 ; Blank mmx6
- pxor mm6, mm6 ; Blank mmx7
- pxor mm7, mm7 ; Blank mmx7
-
- mov rax, arg(0) ;[src_ptr] ; Load base addresses
- mov rbx, arg(2) ;[ref_ptr]
- movsxd rcx, dword ptr arg(1) ;[source_stride]
- movsxd rdx, dword ptr arg(3) ;[recon_stride]
-
- ; Row 1
- movq mm0, [rax] ; Copy eight bytes to mm0
- movq mm1, [rbx] ; Copy eight bytes to mm1
- movq mm2, mm0 ; Take copies
- movq mm3, mm1 ; Take copies
-
- punpcklbw mm0, mm6 ; unpack to higher prrcision
- punpcklbw mm1, mm6
- punpckhbw mm2, mm6 ; unpack to higher prrcision
- punpckhbw mm3, mm6
- psubsw mm0, mm1 ; A-B (low order) to MM0
- psubsw mm2, mm3 ; A-B (high order) to MM2
-
- paddw mm5, mm0 ; accumulate differences in mm5
- paddw mm5, mm2 ; accumulate differences in mm5
-
- pmaddwd mm0, mm0 ; square and accumulate
- pmaddwd mm2, mm2 ; square and accumulate
- add rbx,rdx ; Inc pointer into ref data
- add rax,rcx ; Inc pointer into the new data
- movq mm1, [rbx] ; Copy eight bytes to mm1
- paddd mm7, mm0 ; accumulate in mm7
- paddd mm7, mm2 ; accumulate in mm7
-
- ; Row 2
- movq mm0, [rax] ; Copy eight bytes to mm0
- movq mm2, mm0 ; Take copies
- movq mm3, mm1 ; Take copies
-
- punpcklbw mm0, mm6 ; unpack to higher prrcision
- punpcklbw mm1, mm6
- punpckhbw mm2, mm6 ; unpack to higher prrcision
- punpckhbw mm3, mm6
- psubsw mm0, mm1 ; A-B (low order) to MM0
- psubsw mm2, mm3 ; A-B (high order) to MM2
-
- paddw mm5, mm0 ; accumulate differences in mm5
- paddw mm5, mm2 ; accumulate differences in mm5
-
- pmaddwd mm0, mm0 ; square and accumulate
- pmaddwd mm2, mm2 ; square and accumulate
- add rbx,rdx ; Inc pointer into ref data
- add rax,rcx ; Inc pointer into the new data
- movq mm1, [rbx] ; Copy eight bytes to mm1
- paddd mm7, mm0 ; accumulate in mm7
- paddd mm7, mm2 ; accumulate in mm7
-
- ; Row 3
- movq mm0, [rax] ; Copy eight bytes to mm0
- movq mm2, mm0 ; Take copies
- movq mm3, mm1 ; Take copies
-
- punpcklbw mm0, mm6 ; unpack to higher prrcision
- punpcklbw mm1, mm6
- punpckhbw mm2, mm6 ; unpack to higher prrcision
- punpckhbw mm3, mm6
- psubsw mm0, mm1 ; A-B (low order) to MM0
- psubsw mm2, mm3 ; A-B (high order) to MM2
-
- paddw mm5, mm0 ; accumulate differences in mm5
- paddw mm5, mm2 ; accumulate differences in mm5
-
- pmaddwd mm0, mm0 ; square and accumulate
- pmaddwd mm2, mm2 ; square and accumulate
- add rbx,rdx ; Inc pointer into ref data
- add rax,rcx ; Inc pointer into the new data
- movq mm1, [rbx] ; Copy eight bytes to mm1
- paddd mm7, mm0 ; accumulate in mm7
- paddd mm7, mm2 ; accumulate in mm7
-
- ; Row 4
- movq mm0, [rax] ; Copy eight bytes to mm0
- movq mm2, mm0 ; Take copies
- movq mm3, mm1 ; Take copies
-
- punpcklbw mm0, mm6 ; unpack to higher prrcision
- punpcklbw mm1, mm6
- punpckhbw mm2, mm6 ; unpack to higher prrcision
- punpckhbw mm3, mm6
- psubsw mm0, mm1 ; A-B (low order) to MM0
- psubsw mm2, mm3 ; A-B (high order) to MM2
-
- paddw mm5, mm0 ; accumulate differences in mm5
- paddw mm5, mm2 ; accumulate differences in mm5
-
- pmaddwd mm0, mm0 ; square and accumulate
- pmaddwd mm2, mm2 ; square and accumulate
- add rbx,rdx ; Inc pointer into ref data
- add rax,rcx ; Inc pointer into the new data
- movq mm1, [rbx] ; Copy eight bytes to mm1
- paddd mm7, mm0 ; accumulate in mm7
- paddd mm7, mm2 ; accumulate in mm7
-
- ; Row 5
- movq mm0, [rax] ; Copy eight bytes to mm0
- movq mm2, mm0 ; Take copies
- movq mm3, mm1 ; Take copies
-
- punpcklbw mm0, mm6 ; unpack to higher prrcision
- punpcklbw mm1, mm6
- punpckhbw mm2, mm6 ; unpack to higher prrcision
- punpckhbw mm3, mm6
- psubsw mm0, mm1 ; A-B (low order) to MM0
- psubsw mm2, mm3 ; A-B (high order) to MM2
-
- paddw mm5, mm0 ; accumulate differences in mm5
- paddw mm5, mm2 ; accumulate differences in mm5
-
- pmaddwd mm0, mm0 ; square and accumulate
- pmaddwd mm2, mm2 ; square and accumulate
- add rbx,rdx ; Inc pointer into ref data
- add rax,rcx ; Inc pointer into the new data
- movq mm1, [rbx] ; Copy eight bytes to mm1
- ; movq mm4, [rbx + rdx]
- paddd mm7, mm0 ; accumulate in mm7
- paddd mm7, mm2 ; accumulate in mm7
-
- ; Row 6
- movq mm0, [rax] ; Copy eight bytes to mm0
- movq mm2, mm0 ; Take copies
- movq mm3, mm1 ; Take copies
-
- punpcklbw mm0, mm6 ; unpack to higher prrcision
- punpcklbw mm1, mm6
- punpckhbw mm2, mm6 ; unpack to higher prrcision
- punpckhbw mm3, mm6
- psubsw mm0, mm1 ; A-B (low order) to MM0
- psubsw mm2, mm3 ; A-B (high order) to MM2
-
- paddw mm5, mm0 ; accumulate differences in mm5
- paddw mm5, mm2 ; accumulate differences in mm5
-
- pmaddwd mm0, mm0 ; square and accumulate
- pmaddwd mm2, mm2 ; square and accumulate
- add rbx,rdx ; Inc pointer into ref data
- add rax,rcx ; Inc pointer into the new data
- movq mm1, [rbx] ; Copy eight bytes to mm1
- paddd mm7, mm0 ; accumulate in mm7
- paddd mm7, mm2 ; accumulate in mm7
-
- ; Row 7
- movq mm0, [rax] ; Copy eight bytes to mm0
- movq mm2, mm0 ; Take copies
- movq mm3, mm1 ; Take copies
-
- punpcklbw mm0, mm6 ; unpack to higher prrcision
- punpcklbw mm1, mm6
- punpckhbw mm2, mm6 ; unpack to higher prrcision
- punpckhbw mm3, mm6
- psubsw mm0, mm1 ; A-B (low order) to MM0
- psubsw mm2, mm3 ; A-B (high order) to MM2
-
- paddw mm5, mm0 ; accumulate differences in mm5
- paddw mm5, mm2 ; accumulate differences in mm5
-
- pmaddwd mm0, mm0 ; square and accumulate
- pmaddwd mm2, mm2 ; square and accumulate
- add rbx,rdx ; Inc pointer into ref data
- add rax,rcx ; Inc pointer into the new data
- movq mm1, [rbx] ; Copy eight bytes to mm1
- paddd mm7, mm0 ; accumulate in mm7
- paddd mm7, mm2 ; accumulate in mm7
-
- ; Row 8
- movq mm0, [rax] ; Copy eight bytes to mm0
- movq mm2, mm0 ; Take copies
- movq mm3, mm1 ; Take copies
-
- punpcklbw mm0, mm6 ; unpack to higher prrcision
- punpcklbw mm1, mm6
- punpckhbw mm2, mm6 ; unpack to higher prrcision
- punpckhbw mm3, mm6
- psubsw mm0, mm1 ; A-B (low order) to MM0
- psubsw mm2, mm3 ; A-B (high order) to MM2
-
- paddw mm5, mm0 ; accumulate differences in mm5
- paddw mm5, mm2 ; accumulate differences in mm5
-
- pmaddwd mm0, mm0 ; square and accumulate
- pmaddwd mm2, mm2 ; square and accumulate
- add rbx,rdx ; Inc pointer into ref data
- add rax,rcx ; Inc pointer into the new data
- paddd mm7, mm0 ; accumulate in mm7
- paddd mm7, mm2 ; accumulate in mm7
-
- ; Now accumulate the final results.
- movq QWORD PTR [rsp+8], mm5 ; copy back accumulated results into normal memory
- movq QWORD PTR [rsp], mm7 ; copy back accumulated results into normal memory
- movsx rdx, WORD PTR [rsp+8]
- movsx rcx, WORD PTR [rsp+10]
- movsx rbx, WORD PTR [rsp+12]
- movsx rax, WORD PTR [rsp+14]
- add rdx, rcx
- add rbx, rax
- add rdx, rbx ;XSum
- movsxd rax, DWORD PTR [rsp]
- movsxd rcx, DWORD PTR [rsp+4]
- add rax, rcx ;XXSum
- mov rsi, arg(4) ;SSE
- mov rdi, arg(5) ;Sum
- mov dword ptr [rsi], eax
- mov dword ptr [rdi], edx
- xor rax, rax ; return 0
-
- ; begin epilog
- add rsp, 16
- pop rbx
- pop rdi
- pop rsi
- UNSHADOW_ARGS
- pop rbp
- ret
-
-;void
-;vpx_get4x4var_mmx
-;(
-; unsigned char *src_ptr,
-; int source_stride,
-; unsigned char *ref_ptr,
-; int recon_stride,
-; unsigned int *SSE,
-; int *Sum
-;)
-global sym(vpx_get4x4var_mmx) PRIVATE
-sym(vpx_get4x4var_mmx):
- push rbp
- mov rbp, rsp
- SHADOW_ARGS_TO_STACK 6
- push rsi
- push rdi
- push rbx
- sub rsp, 16
- ; end prolog
-
- pxor mm5, mm5 ; Blank mmx6
- pxor mm6, mm6 ; Blank mmx7
- pxor mm7, mm7 ; Blank mmx7
-
- mov rax, arg(0) ;[src_ptr] ; Load base addresses
- mov rbx, arg(2) ;[ref_ptr]
- movsxd rcx, dword ptr arg(1) ;[source_stride]
- movsxd rdx, dword ptr arg(3) ;[recon_stride]
-
- ; Row 1
- movd mm0, [rax] ; Copy four bytes to mm0
- movd mm1, [rbx] ; Copy four bytes to mm1
- punpcklbw mm0, mm6 ; unpack to higher prrcision
- punpcklbw mm1, mm6
- psubsw mm0, mm1 ; A-B (low order) to MM0
- paddw mm5, mm0 ; accumulate differences in mm5
- pmaddwd mm0, mm0 ; square and accumulate
- add rbx,rdx ; Inc pointer into ref data
- add rax,rcx ; Inc pointer into the new data
- movd mm1, [rbx] ; Copy four bytes to mm1
- paddd mm7, mm0 ; accumulate in mm7
-
- ; Row 2
- movd mm0, [rax] ; Copy four bytes to mm0
- punpcklbw mm0, mm6 ; unpack to higher prrcision
- punpcklbw mm1, mm6
- psubsw mm0, mm1 ; A-B (low order) to MM0
- paddw mm5, mm0 ; accumulate differences in mm5
-
- pmaddwd mm0, mm0 ; square and accumulate
- add rbx,rdx ; Inc pointer into ref data
- add rax,rcx ; Inc pointer into the new data
- movd mm1, [rbx] ; Copy four bytes to mm1
- paddd mm7, mm0 ; accumulate in mm7
-
- ; Row 3
- movd mm0, [rax] ; Copy four bytes to mm0
- punpcklbw mm0, mm6 ; unpack to higher precision
- punpcklbw mm1, mm6
- psubsw mm0, mm1 ; A-B (low order) to MM0
- paddw mm5, mm0 ; accumulate differences in mm5
-
- pmaddwd mm0, mm0 ; square and accumulate
- add rbx,rdx ; Inc pointer into ref data
- add rax,rcx ; Inc pointer into the new data
- movd mm1, [rbx] ; Copy four bytes to mm1
- paddd mm7, mm0 ; accumulate in mm7
-
- ; Row 4
- movd mm0, [rax] ; Copy four bytes to mm0
-
- punpcklbw mm0, mm6 ; unpack to higher prrcision
- punpcklbw mm1, mm6
- psubsw mm0, mm1 ; A-B (low order) to MM0
-
- paddw mm5, mm0 ; accumulate differences in mm5
-
- pmaddwd mm0, mm0 ; square and accumulate
- paddd mm7, mm0 ; accumulate in mm7
-
- ; Now accumulate the final results.
- movq QWORD PTR [rsp+8], mm5 ; copy back accumulated results into normal memory
- movq QWORD PTR [rsp], mm7 ; copy back accumulated results into normal memory
- movsx rdx, WORD PTR [rsp+8]
- movsx rcx, WORD PTR [rsp+10]
- movsx rbx, WORD PTR [rsp+12]
- movsx rax, WORD PTR [rsp+14]
- add rdx, rcx
- add rbx, rax
- add rdx, rbx ;XSum
- movsxd rax, DWORD PTR [rsp]
- movsxd rcx, DWORD PTR [rsp+4]
- add rax, rcx ;XXSum
- mov rsi, arg(4) ;SSE
- mov rdi, arg(5) ;Sum
- mov dword ptr [rsi], eax
- mov dword ptr [rdi], edx
- xor rax, rax ; return 0
-
- ; begin epilog
- add rsp, 16
- pop rbx
- pop rdi
- pop rsi
- UNSHADOW_ARGS
- pop rbp
- ret
-
;void vpx_filter_block2d_bil4x4_var_mmx
;(
; unsigned char *ref_ptr,
--- a/vpx_dsp/x86/variance_mmx.c
+++ b/vpx_dsp/x86/variance_mmx.c
@@ -23,10 +23,6 @@
{ 16, 16, 16, 16, 112, 112, 112, 112 }};
-extern void vpx_get4x4var_mmx(const uint8_t *a, int a_stride,
- const uint8_t *b, int b_stride,
- unsigned int *sse, int *sum);
-
extern void vpx_filter_block2d_bil4x4_var_mmx(const unsigned char *ref_ptr,
int ref_pixels_per_line,
const unsigned char *src_ptr,
@@ -46,98 +42,6 @@
int *sum,
unsigned int *sumsquared);
-
-unsigned int vpx_variance4x4_mmx(const unsigned char *a, int a_stride,
- const unsigned char *b, int b_stride,
- unsigned int *sse) {- unsigned int var;
- int avg;
-
- vpx_get4x4var_mmx(a, a_stride, b, b_stride, &var, &avg);
- *sse = var;
- return (var - (((unsigned int)avg * avg) >> 4));
-}
-
-unsigned int vpx_variance8x8_mmx(const unsigned char *a, int a_stride,
- const unsigned char *b, int b_stride,
- unsigned int *sse) {- unsigned int var;
- int avg;
-
- vpx_get8x8var_mmx(a, a_stride, b, b_stride, &var, &avg);
- *sse = var;
-
- return (var - (((unsigned int)avg * avg) >> 6));
-}
-
-unsigned int vpx_mse16x16_mmx(const unsigned char *a, int a_stride,
- const unsigned char *b, int b_stride,
- unsigned int *sse) {- unsigned int sse0, sse1, sse2, sse3, var;
- int sum0, sum1, sum2, sum3;
-
- vpx_get8x8var_mmx(a, a_stride, b, b_stride, &sse0, &sum0);
- vpx_get8x8var_mmx(a + 8, a_stride, b + 8, b_stride, &sse1, &sum1);
- vpx_get8x8var_mmx(a + 8 * a_stride, a_stride,
- b + 8 * b_stride, b_stride, &sse2, &sum2);
- vpx_get8x8var_mmx(a + 8 * a_stride + 8, a_stride,
- b + 8 * b_stride + 8, b_stride, &sse3, &sum3);
-
- var = sse0 + sse1 + sse2 + sse3;
- *sse = var;
- return var;
-}
-
-unsigned int vpx_variance16x16_mmx(const unsigned char *a, int a_stride,
- const unsigned char *b, int b_stride,
- unsigned int *sse) {- unsigned int sse0, sse1, sse2, sse3, var;
- int sum0, sum1, sum2, sum3, avg;
-
- vpx_get8x8var_mmx(a, a_stride, b, b_stride, &sse0, &sum0);
- vpx_get8x8var_mmx(a + 8, a_stride, b + 8, b_stride, &sse1, &sum1);
- vpx_get8x8var_mmx(a + 8 * a_stride, a_stride,
- b + 8 * b_stride, b_stride, &sse2, &sum2);
- vpx_get8x8var_mmx(a + 8 * a_stride + 8, a_stride,
- b + 8 * b_stride + 8, b_stride, &sse3, &sum3);
-
- var = sse0 + sse1 + sse2 + sse3;
- avg = sum0 + sum1 + sum2 + sum3;
- *sse = var;
- return (var - (((unsigned int)avg * avg) >> 8));
-}
-
-unsigned int vpx_variance16x8_mmx(const unsigned char *a, int a_stride,
- const unsigned char *b, int b_stride,
- unsigned int *sse) {- unsigned int sse0, sse1, var;
- int sum0, sum1, avg;
-
- vpx_get8x8var_mmx(a, a_stride, b, b_stride, &sse0, &sum0);
- vpx_get8x8var_mmx(a + 8, a_stride, b + 8, b_stride, &sse1, &sum1);
-
- var = sse0 + sse1;
- avg = sum0 + sum1;
- *sse = var;
- return (var - (((unsigned int)avg * avg) >> 7));
-}
-
-unsigned int vpx_variance8x16_mmx(const unsigned char *a, int a_stride,
- const unsigned char *b, int b_stride,
- unsigned int *sse) {- unsigned int sse0, sse1, var;
- int sum0, sum1, avg;
-
- vpx_get8x8var_mmx(a, a_stride, b, b_stride, &sse0, &sum0);
- vpx_get8x8var_mmx(a + 8 * a_stride, a_stride,
- b + 8 * b_stride, b_stride, &sse1, &sum1);
-
- var = sse0 + sse1;
- avg = sum0 + sum1;
- *sse = var;
-
- return (var - (((unsigned int)avg * avg) >> 7));
-}
uint32_t vpx_sub_pixel_variance4x4_mmx(const uint8_t *a, int a_stride,
int xoffset, int yoffset,