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authorMichael Niedermayer <michaelni@gmx.at>2012-06-25 16:55:31 +0200
committerMichael Niedermayer <michaelni@gmx.at>2012-06-25 16:55:31 +0200
commita6ff8514a9bdc93739a73d28913c6b457baff32d (patch)
treeed4f3c885586b33b7d8229e606acc80cd8c8ca50 /libavcodec/x86/fft_mmx.asm
parentfec512a52cdd1bab84958474cc160fdb7be81dec (diff)
parentdc5385806339f90b4eb074d9002205ebb4010cc2 (diff)
downloadffmpeg-a6ff8514a9bdc93739a73d28913c6b457baff32d.tar.gz
Merge remote-tracking branch 'qatar/master'
* qatar/master: wtv: Check the return value from gmtime x86: fft: convert sse inline asm to yasm x86: place some inline asm under #if HAVE_INLINE_ASM Conflicts: libavcodec/x86/fft_sse.c libavformat/wtv.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/x86/fft_mmx.asm')
-rw-r--r--libavcodec/x86/fft_mmx.asm139
1 files changed, 129 insertions, 10 deletions
diff --git a/libavcodec/x86/fft_mmx.asm b/libavcodec/x86/fft_mmx.asm
index e1b485b697..7d046df18e 100644
--- a/libavcodec/x86/fft_mmx.asm
+++ b/libavcodec/x86/fft_mmx.asm
@@ -47,6 +47,10 @@ struc FFTContext
.mdctbits: resd 1
.tcos: pointer 1
.tsin: pointer 1
+ .fftperm: pointer 1
+ .fftcalc: pointer 1
+ .imdctcalc:pointer 1
+ .imdcthalf:pointer 1
endstruc
%define M_SQRT1_2 0.70710678118654752440
@@ -65,6 +69,7 @@ perm1: dd 0x00, 0x02, 0x03, 0x01, 0x03, 0x00, 0x02, 0x01
perm2: dd 0x00, 0x01, 0x02, 0x03, 0x01, 0x00, 0x02, 0x03
ps_p1p1m1p1root2: dd 1.0, 1.0, -1.0, 1.0, M_SQRT1_2, M_SQRT1_2, M_SQRT1_2, M_SQRT1_2
ps_m1m1p1m1p1m1m1m1: dd 1<<31, 1<<31, 0, 1<<31, 0, 1<<31, 1<<31, 1<<31
+ps_m1m1m1m1: times 4 dd 1<<31
ps_m1p1: dd 1<<31, 0
%assign i 16
@@ -533,6 +538,16 @@ DEFINE_ARGS z, w, n, o1, o3
rep ret
%endmacro
+%macro FFT_DISPATCH 2; clobbers 5 GPRs, 8 XMMs
+ lea r2, [dispatch_tab%1]
+ mov r2, [r2 + (%2q-2)*gprsize]
+%ifdef PIC
+ lea r3, [$$]
+ add r2, r3
+%endif
+ call r2
+%endmacro ; FFT_DISPATCH
+
INIT_YMM avx
%if HAVE_AVX
@@ -549,6 +564,14 @@ INIT_YMM avx
DECL_PASS pass_avx, PASS_BIG 1
DECL_PASS pass_interleave_avx, PASS_BIG 0
+
+cglobal fft_calc, 2,5,8
+ mov r3d, [r0 + FFTContext.nbits]
+ mov r0, r1
+ mov r1, r3
+ FFT_DISPATCH _interleave %+ SUFFIX, r1
+ REP_RET
+
%endif
INIT_XMM sse
@@ -566,6 +589,112 @@ INIT_XMM sse
DECL_PASS pass_sse, PASS_BIG 1
DECL_PASS pass_interleave_sse, PASS_BIG 0
+cglobal fft_calc, 2,5,8
+ mov r3d, [r0 + FFTContext.nbits]
+ PUSH r1
+ PUSH r3
+ mov r0, r1
+ mov r1, r3
+ FFT_DISPATCH _interleave %+ SUFFIX, r1
+ POP rcx
+ POP r4
+ cmp rcx, 4
+ jg .end
+ mov r2, -1
+ add rcx, 3
+ shl r2, cl
+ sub r4, r2
+.loop
+ movaps xmm0, [r4 + r2]
+ movaps xmm1, xmm0
+ unpcklps xmm0, [r4 + r2 + 16]
+ unpckhps xmm1, [r4 + r2 + 16]
+ movaps [r4 + r2], xmm0
+ movaps [r4 + r2 + 16], xmm1
+ add r2, 32
+ jl .loop
+.end:
+ REP_RET
+
+cextern_naked memcpy
+
+cglobal fft_permute, 2,7,1
+ mov r4, [r0 + FFTContext.revtab]
+ mov r5, [r0 + FFTContext.tmpbuf]
+ mov ecx, [r0 + FFTContext.nbits]
+ mov r2, 1
+ shl r2, cl
+ xor r0, r0
+%if ARCH_X86_32
+ mov r1, r1m
+%endif
+.loop:
+ movaps xmm0, [r1 + 8*r0]
+ movzx r6, word [r4 + 2*r0]
+ movzx r3, word [r4 + 2*r0 + 2]
+ movlps [r5 + 8*r6], xmm0
+ movhps [r5 + 8*r3], xmm0
+ add r0, 2
+ cmp r0, r2
+ jl .loop
+ shl r2, 3
+%if ARCH_X86_64
+ mov r0, r1
+ mov r1, r5
+%else
+ push r2
+ push r5
+ push r1
+%endif
+%if ARCH_X86_64 && WIN64 == 0
+ jmp memcpy
+%else
+ call memcpy
+%if ARCH_X86_32
+ add esp, 12
+%endif
+ REP_RET
+%endif
+
+cglobal imdct_calc, 3,5,3
+ mov r3d, [r0 + FFTContext.mdctsize]
+ mov r4, [r0 + FFTContext.imdcthalf]
+ add r1, r3
+ PUSH r3
+ PUSH r1
+%if ARCH_X86_32
+ push r2
+ push r1
+ push r0
+%else
+ sub rsp, 8
+%endif
+ call r4
+%if ARCH_X86_32
+ add esp, 12
+%else
+ add rsp, 8
+%endif
+ POP r1
+ POP r3
+ lea r0, [r1 + 2*r3]
+ mov r2, r3
+ sub r3, 16
+ neg r2
+ movaps xmm2, [ps_m1m1m1m1]
+.loop:
+ movaps xmm0, [r1 + r3]
+ movaps xmm1, [r0 + r2]
+ shufps xmm0, xmm0, 0x1b
+ shufps xmm1, xmm1, 0x1b
+ xorps xmm0, xmm2
+ movaps [r0 + r3], xmm1
+ movaps [r1 + r2], xmm0
+ sub r3, 16
+ add r2, 16
+ jl .loop
+ REP_RET
+
INIT_MMX 3dnow
%define mulps pfmul
%define addps pfadd
@@ -583,16 +712,6 @@ DECL_PASS pass_interleave_3dnow, PASS_BIG 0
%define SECTION_REL
%endif
-%macro FFT_DISPATCH 2; clobbers 5 GPRs, 8 XMMs
- lea r2, [dispatch_tab%1]
- mov r2, [r2 + (%2q-2)*gprsize]
-%ifdef PIC
- lea r3, [$$]
- add r2, r3
-%endif
- call r2
-%endmacro ; FFT_DISPATCH
-
%macro DECL_FFT 1-2 ; nbits, suffix
%ifidn %0, 1
%xdefine fullsuffix SUFFIX