Imported Debian version 2.5.0~trusty1.1

[deb_ffmpeg.git] / ffmpeg / libavcodec / x86 / fmtconvert.asm

diff --git a/ffmpeg/libavcodec/x86/fmtconvert.asm b/ffmpeg/libavcodec/x86/fmtconvert.asm
index 0d3f821c9f8c4d2288688ee416226ead79243cb6..19595f7d0034c6b3b9cacee0bbad28820bf8f08e 100644 (file)
--- a/ffmpeg/libavcodec/x86/fmtconvert.asm
+++ b/ffmpeg/libavcodec/x86/fmtconvert.asm
@@ -77,6 +77,44 @@ 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
+    REP_RET
+%endmacro
+
+INIT_XMM sse
+INT32_TO_FLOAT_FMUL_ARRAY8
+INIT_XMM sse2
+INT32_TO_FLOAT_FMUL_ARRAY8
 
 ;------------------------------------------------------------------------------
 ; void ff_float_to_int16(int16_t *dst, const float *src, long len);