mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-28 20:53:54 +02:00
da6f34516b
this should fix checkasm on x86_64-archlinux-gcc-valgrind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
125 lines
3.8 KiB
NASM
125 lines
3.8 KiB
NASM
;******************************************************************************
|
|
;* x86 optimized Format Conversion Utils
|
|
;* Copyright (c) 2008 Loren Merritt
|
|
;*
|
|
;* This file is part of FFmpeg.
|
|
;*
|
|
;* FFmpeg is free software; you can redistribute it and/or
|
|
;* modify it under the terms of the GNU Lesser General Public
|
|
;* License as published by the Free Software Foundation; either
|
|
;* version 2.1 of the License, or (at your option) any later version.
|
|
;*
|
|
;* FFmpeg is distributed in the hope that it will be useful,
|
|
;* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
;* Lesser General Public License for more details.
|
|
;*
|
|
;* You should have received a copy of the GNU Lesser General Public
|
|
;* License along with FFmpeg; if not, write to the Free Software
|
|
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
;******************************************************************************
|
|
|
|
%include "libavutil/x86/x86util.asm"
|
|
|
|
SECTION .text
|
|
|
|
;------------------------------------------------------------------------------
|
|
; void ff_int32_to_float_fmul_scalar(float *dst, const int32_t *src, float mul,
|
|
; int len);
|
|
;------------------------------------------------------------------------------
|
|
%macro INT32_TO_FLOAT_FMUL_SCALAR 1
|
|
%if UNIX64
|
|
cglobal int32_to_float_fmul_scalar, 3, 3, %1, dst, src, len
|
|
%else
|
|
cglobal int32_to_float_fmul_scalar, 4, 4, %1, dst, src, mul, len
|
|
%endif
|
|
%if WIN64
|
|
SWAP 0, 2
|
|
%elif ARCH_X86_32
|
|
movss m0, mulm
|
|
%endif
|
|
SPLATD m0
|
|
shl lend, 2
|
|
add srcq, lenq
|
|
add dstq, lenq
|
|
neg lenq
|
|
.loop:
|
|
%if cpuflag(sse2)
|
|
cvtdq2ps m1, [srcq+lenq ]
|
|
cvtdq2ps m2, [srcq+lenq+16]
|
|
%else
|
|
cvtpi2ps m1, [srcq+lenq ]
|
|
cvtpi2ps m3, [srcq+lenq+ 8]
|
|
cvtpi2ps m2, [srcq+lenq+16]
|
|
cvtpi2ps m4, [srcq+lenq+24]
|
|
movlhps m1, m3
|
|
movlhps m2, m4
|
|
%endif
|
|
mulps m1, m0
|
|
mulps m2, m0
|
|
mova [dstq+lenq ], m1
|
|
mova [dstq+lenq+16], m2
|
|
add lenq, 32
|
|
jl .loop
|
|
%if notcpuflag(sse2)
|
|
;; cvtpi2ps switches to MMX even if the source is a memory location
|
|
;; possible an error in documentation since every tested CPU disagrees with
|
|
;; that. Use emms anyway since the vast majority of machines will use the
|
|
;; SSE2 variant
|
|
emms
|
|
%endif
|
|
RET
|
|
%endmacro
|
|
|
|
INIT_XMM sse
|
|
INT32_TO_FLOAT_FMUL_SCALAR 5
|
|
INIT_XMM sse2
|
|
INT32_TO_FLOAT_FMUL_SCALAR 3
|
|
|
|
;------------------------------------------------------------------------------
|
|
; void ff_int32_to_float_fmul_array8(FmtConvertContext *c, float *dst, const int32_t *src,
|
|
; const float *mul, int len);
|
|
;------------------------------------------------------------------------------
|
|
%macro INT32_TO_FLOAT_FMUL_ARRAY8 0
|
|
cglobal int32_to_float_fmul_array8, 5, 5, 5, c, dst, src, mul, len
|
|
shl lend, 2
|
|
add srcq, lenq
|
|
add dstq, lenq
|
|
neg lenq
|
|
.loop:
|
|
movss m0, [mulq]
|
|
SPLATD m0
|
|
%if cpuflag(sse2)
|
|
cvtdq2ps m1, [srcq+lenq ]
|
|
cvtdq2ps m2, [srcq+lenq+16]
|
|
%else
|
|
cvtpi2ps m1, [srcq+lenq ]
|
|
cvtpi2ps m3, [srcq+lenq+ 8]
|
|
cvtpi2ps m2, [srcq+lenq+16]
|
|
cvtpi2ps m4, [srcq+lenq+24]
|
|
movlhps m1, m3
|
|
movlhps m2, m4
|
|
%endif
|
|
mulps m1, m0
|
|
mulps m2, m0
|
|
mova [dstq+lenq ], m1
|
|
mova [dstq+lenq+16], m2
|
|
add mulq, 4
|
|
add lenq, 32
|
|
jl .loop
|
|
%if notcpuflag(sse2)
|
|
;; cvtpi2ps switches to MMX even if the source is a memory location
|
|
;; possible an error in documentation since every tested CPU disagrees with
|
|
;; that. Use emms anyway since the vast majority of machines will use the
|
|
;; SSE2 variant
|
|
emms
|
|
%endif
|
|
RET
|
|
%endmacro
|
|
|
|
INIT_XMM sse
|
|
INT32_TO_FLOAT_FMUL_ARRAY8
|
|
INIT_XMM sse2
|
|
INT32_TO_FLOAT_FMUL_ARRAY8
|
|
|