[FFmpeg-cvslog] x86: fft: Port to cpuflags

[Diego Biurrun]

ffmpeg | branch: master | Diego Biurrun <diego at biurrun.de> | Sun Jul 15 20:11:55 2012 +0200| [681a86aba6cb09b98ad716d986182060c7795d20] | committer: Diego Biurrun

x86: fft: Port to cpuflags

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=681a86aba6cb09b98ad716d986182060c7795d20
---

 libavcodec/x86/fft.asm | 94 +++++++++++++++++++++++---------------------------
 1 file changed, 43 insertions(+), 51 deletions(-)

diff --git a/libavcodec/x86/fft.asm b/libavcodec/x86/fft.asm
index 2c7438134c..63e92f7159 100644
--- a/libavcodec/x86/fft.asm
+++ b/libavcodec/x86/fft.asm
@@ -190,6 +190,23 @@ SECTION .text
     addps    %2, %2, %5       ; {i0,i1,i2,i3}
 %endmacro
 
+%macro INTERL 5
+%if cpuflag(avx)
+    vunpckhps      %3, %2, %1
+    vunpcklps      %2, %2, %1
+    vextractf128   %4(%5), %2, 0
+    vextractf128  %4 %+ H(%5), %3, 0
+    vextractf128   %4(%5 + 1), %2, 1
+    vextractf128  %4 %+ H(%5 + 1), %3, 1
+%elif cpuflag(sse)
+    mova     %3, %2
+    unpcklps %2, %1
+    unpckhps %3, %1
+    mova  %4(%5), %2
+    mova  %4(%5+1), %3
+%endif
+%endmacro
+
 ; scheduled for cpu-bound sizes
 %macro PASS_SMALL 3 ; (to load m4-m7), wre, wim
 IF%1 mova    m4, Z(4)
@@ -536,17 +553,6 @@ DEFINE_ARGS zc, w, n, o1, o3
 
 INIT_YMM avx
 
-%macro INTERL_AVX 5
-    vunpckhps      %3, %2, %1
-    vunpcklps      %2, %2, %1
-    vextractf128   %4(%5), %2, 0
-    vextractf128  %4 %+ H(%5), %3, 0
-    vextractf128   %4(%5 + 1), %2, 1
-    vextractf128  %4 %+ H(%5 + 1), %3, 1
-%endmacro
-
-%define INTERL INTERL_AVX
-
 DECL_PASS pass_avx, PASS_BIG 1
 DECL_PASS pass_interleave_avx, PASS_BIG 0
 
@@ -560,16 +566,6 @@ cglobal fft_calc, 2,5,8
 
 INIT_XMM sse
 
-%macro INTERL_SSE 5
-    mova     %3, %2
-    unpcklps %2, %1
-    unpckhps %3, %1
-    mova  %4(%5), %2
-    mova  %4(%5+1), %3
-%endmacro
-
-%define INTERL INTERL_SSE
-
 DECL_PASS pass_sse, PASS_BIG 1
 DECL_PASS pass_interleave_sse, PASS_BIG 0
 
@@ -855,16 +851,30 @@ INIT_XMM sse
 %endmacro
 
 %macro CMUL 6 ;j, xmm0, xmm1, 3, 4, 5
+%if cpuflag(sse)
     mulps      m6, %3, [%5+%1]
     mulps      m7, %2, [%5+%1]
     mulps      %2, %2, [%6+%1]
     mulps      %3, %3, [%6+%1]
     subps      %2, %2, m6
     addps      %3, %3, m7
+%elif cpuflag(3dnow)
+    mova       m6, [%1+%2*2]
+    mova       %3, [%1+%2*2+8]
+    mova       %4, m6
+    mova       m7, %3
+    pfmul      m6, [%5+%2]
+    pfmul      %3, [%6+%2]
+    pfmul      %4, [%6+%2]
+    pfmul      m7, [%5+%2]
+    pfsub      %3, m6
+    pfadd      %4, m7
+%endif
 %endmacro
 
-%macro POSROTATESHUF_AVX 5 ;j, k, z+n8, tcos+n8, tsin+n8
+%macro POSROTATESHUF 5 ;j, k, z+n8, tcos+n8, tsin+n8
 .post:
+%if cpuflag(avx)
     vmovaps      ymm1,   [%3+%1*2]
     vmovaps      ymm0,   [%3+%1*2+0x20]
     vmovaps      ymm3,   [%3+%2*2]
@@ -893,10 +903,7 @@ INIT_XMM sse
     sub      %2,   0x20
     add      %1,   0x20
     jl       .post
-%endmacro
-
-%macro POSROTATESHUF 5 ;j, k, z+n8, tcos+n8, tsin+n8
-.post:
+%elif cpuflag(sse)
     movaps   xmm1, [%3+%1*2]
     movaps   xmm0, [%3+%1*2+0x10]
     CMUL     %1,   xmm0, xmm1, %3, %4, %5
@@ -918,25 +925,9 @@ INIT_XMM sse
     sub      %2,   0x10
     add      %1,   0x10
     jl       .post
-%endmacro
-
-%macro CMUL_3DNOW 6
-    mova       m6, [%1+%2*2]
-    mova       %3, [%1+%2*2+8]
-    mova       %4, m6
-    mova       m7, %3
-    pfmul      m6, [%5+%2]
-    pfmul      %3, [%6+%2]
-    pfmul      %4, [%6+%2]
-    pfmul      m7, [%5+%2]
-    pfsub      %3, m6
-    pfadd      %4, m7
-%endmacro
-
-%macro POSROTATESHUF_3DNOW 5 ;j, k, z+n8, tcos+n8, tsin+n8
-.post:
-    CMUL_3DNOW %3, %1, m0, m1, %4, %5
-    CMUL_3DNOW %3, %2, m2, m3, %4, %5
+%elif cpuflag(3dnow)
+    CMUL  %3, %1, m0, m1, %4, %5
+    CMUL  %3, %2, m2, m3, %4, %5
     movd  [%3+%1*2+ 0], m0
     movd  [%3+%2*2+12], m1
     movd  [%3+%2*2+ 0], m2
@@ -952,9 +943,10 @@ INIT_XMM sse
     sub        %2, 8
     add        %1, 8
     jl         .post
+%endif
 %endmacro
 
-%macro DECL_IMDCT 1
+%macro DECL_IMDCT 0
 cglobal imdct_half, 3,12,8; FFTContext *s, FFTSample *output, const FFTSample *input
 %if ARCH_X86_64
 %define rrevtab r7
@@ -1060,7 +1052,7 @@ cglobal imdct_half, 3,12,8; FFTContext *s, FFTSample *output, const FFTSample *i
     neg  r0
     mov  r1, -mmsize
     sub  r1, r0
-    %1 r0, r1, r6, rtcos, rtsin
+    POSROTATESHUF r0, r1, r6, rtcos, rtsin
 %if ARCH_X86_64 == 0
     add esp, 12
 %endif
@@ -1070,17 +1062,17 @@ cglobal imdct_half, 3,12,8; FFTContext *s, FFTSample *output, const FFTSample *i
     RET
 %endmacro
 
-DECL_IMDCT POSROTATESHUF
+DECL_IMDCT
 
 %if ARCH_X86_32
 INIT_MMX 3dnow
-DECL_IMDCT POSROTATESHUF_3DNOW
+DECL_IMDCT
 
 INIT_MMX 3dnowext
-DECL_IMDCT POSROTATESHUF_3DNOW
+DECL_IMDCT
 %endif
 
 INIT_YMM avx
-DECL_IMDCT POSROTATESHUF_AVX
+DECL_IMDCT
 
 %endif ; CONFIG_MDCT