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x86/flacdsp: add a SSE4 version of lpc16

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flac_lpc_16_13_c: 2841.3
flac_lpc_16_13_sse4: 2151.8
flac_lpc_16_16_c: 3382.8
flac_lpc_16_16_sse4: 2228.3
flac_lpc_16_29_c: 5800.3
flac_lpc_16_29_sse4: 3727.3
flac_lpc_16_32_c: 5972.8
flac_lpc_16_32_sse4: 4052.3

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2024-05-11 23:57:57 -03:00
parent 479d26cea2
commit c00c8679ed
2 changed files with 10 additions and 6 deletions
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13
libavcodec/x86/flacdsp.asm
View File

@ -38,9 +38,9 @@ SECTION .text
%endif
%endmacro
%macro LPC_32 1
%macro LPC_32 3
INIT_XMM %1
cglobal flac_lpc_32, 5,6,5, decoded, coeffs, pred_order, qlevel, len, j
cglobal flac_lpc_%2, 5,6,5, decoded, coeffs, pred_order, qlevel, len, j
sub lend, pred_orderd
jle .ret
movsxdifnidn pred_orderq, pred_orderd
@ -67,14 +67,14 @@ ALIGN 16
jl .loop_order
.end_order:
PMACSDQL m2, m0, m1, m2, m0
psrlq m2, m4
%3 m2, m4
movd m0, [decodedq]
paddd m0, m2
movd [decodedq], m0
sub lend, 2
jl .ret
PMACSDQL m3, m1, m0, m3, m1
psrlq m3, m4
%3 m3, m4
movd m1, [decodedq+4]
paddd m1, m3
movd [decodedq+4], m1
@ -83,10 +83,11 @@ ALIGN 16
RET
%endmacro
LPC_32 sse4, 16, psrad
LPC_32 sse4, 32, psrlq
%if HAVE_XOP_EXTERNAL
LPC_32 xop
LPC_32 xop, 32, psrlq
%endif
LPC_32 sse4
;----------------------------------------------------------------------------------
;void ff_flac_decorrelate_[lrm]s_16_sse2(uint8_t **out, int32_t **in, int channels,

3
libavcodec/x86/flacdsp_init.c
View File

@ -23,6 +23,8 @@
#include "libavutil/x86/cpu.h"
#include "config.h"
void ff_flac_lpc_16_sse4(int32_t *samples, const int coeffs[32], int order,
int qlevel, int len);
void ff_flac_lpc_32_sse4(int32_t *samples, const int coeffs[32], int order,
int qlevel, int len);
void ff_flac_lpc_32_xop(int32_t *samples, const int coeffs[32], int order,
@ -93,6 +95,7 @@ av_cold void ff_flacdsp_init_x86(FLACDSPContext *c, enum AVSampleFormat fmt, int
}
}
if (EXTERNAL_SSE4(cpu_flags)) {
c->lpc16 = ff_flac_lpc_16_sse4;
c->lpc32 = ff_flac_lpc_32_sse4;
}
if (EXTERNAL_AVX(cpu_flags)) {