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x86/rv34dsp: add ff_rv34_idct_dc_add_sse2

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Also disable ff_rv34_idct_dc_add_mmx on x86_64 as the presence of sse2
is guaranteed in such builds.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2017-02-02 17:51:21 -03:00
parent ab5c4d006d
commit c8467abbad
2 changed files with 22 additions and 2 deletions
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19
libavcodec/x86/rv34dsp.asm
View File

@ -64,6 +64,7 @@ rv34_idct dc
rv34_idct dc_noround
; ff_rv34_idct_dc_add_mmx(uint8_t *dst, int stride, int dc);
%if ARCH_X86_32
INIT_MMX mmx
cglobal rv34_idct_dc_add, 3, 3
; calculate DC
@ -97,6 +98,7 @@ cglobal rv34_idct_dc_add, 3, 3
movh [r2], m4
movh [r2+r1], m5
RET
%endif
; Load coeffs and perform row transform
; Output: coeffs in mm[0467], rounder in mm5
@ -167,7 +169,7 @@ cglobal rv34_idct_add, 3,3,0, d, s, b
ret
; ff_rv34_idct_dc_add_sse4(uint8_t *dst, int stride, int dc);
INIT_XMM sse4
%macro RV34_IDCT_DC_ADD 0
cglobal rv34_idct_dc_add, 3, 3, 6
; load data
IDCT_DC_ROUND r2
@ -190,7 +192,22 @@ cglobal rv34_idct_dc_add, 3, 3, 6
paddw m4, m0
packuswb m2, m4
movd [r0], m2
%if cpuflag(sse4)
pextrd [r0+r1], m2, 1
pextrd [r2], m2, 2
pextrd [r2+r1], m2, 3
%else
psrldq m2, 4
movd [r0+r1], m2
psrldq m2, 4
movd [r2], m2
psrldq m2, 4
movd [r2+r1], m2
%endif
RET
%endmacro
INIT_XMM sse2
RV34_IDCT_DC_ADD
INIT_XMM sse4
RV34_IDCT_DC_ADD

5
libavcodec/x86/rv34dsp_init.c
View File

@ -27,6 +27,7 @@
void ff_rv34_idct_dc_mmxext(int16_t *block);
void ff_rv34_idct_dc_noround_mmxext(int16_t *block);
void ff_rv34_idct_dc_add_mmx(uint8_t *dst, ptrdiff_t stride, int dc);
void ff_rv34_idct_dc_add_sse2(uint8_t *dst, ptrdiff_t stride, int dc);
void ff_rv34_idct_dc_add_sse4(uint8_t *dst, ptrdiff_t stride, int dc);
void ff_rv34_idct_add_mmxext(uint8_t *dst, ptrdiff_t stride, int16_t *block);
@ -34,12 +35,14 @@ av_cold void ff_rv34dsp_init_x86(RV34DSPContext* c)
{
int cpu_flags = av_get_cpu_flags();
if (EXTERNAL_MMX(cpu_flags))
if (ARCH_X86_32 && EXTERNAL_MMX(cpu_flags))
c->rv34_idct_dc_add = ff_rv34_idct_dc_add_mmx;
if (EXTERNAL_MMXEXT(cpu_flags)) {
c->rv34_inv_transform_dc = ff_rv34_idct_dc_noround_mmxext;
c->rv34_idct_add = ff_rv34_idct_add_mmxext;
}
if (EXTERNAL_SSE2(cpu_flags))
c->rv34_idct_dc_add = ff_rv34_idct_dc_add_sse2;
if (EXTERNAL_SSE4(cpu_flags))
c->rv34_idct_dc_add = ff_rv34_idct_dc_add_sse4;
}