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Commit bad0a366 authored by Renaud Dartus's avatar Renaud Dartus
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* Format asm functions for gcc 

  -> fixed the segfaults with imdct_sse
  -> sound is hugly with imdct_sse in debug mode
parent 332c81bb
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Showing with 177 additions and 225 deletions
doc/vlc.1
View file @ bad0a366
......@@ -53,10 +53,10 @@ Choose stereo or mono audio output.
Activate hardware AC3 pass-through mode.
.TP
.B \-\-downmix <module>
Specify a module for AC3 downmix: "downmix", "downmixsse", for instance.
Specify a module for AC3 downmix: "downmix", "sse" or "3dn" for instance.
.TP
.B \-\-imdct <module>
Specify a module for AC3 IMDCT: "imdct", "imdctsse", for instance.
Specify a module for AC3 IMDCT: "imdct", sse" or "3dn" for instance.
.TP
.B \-\-novideo
Disable video output.
......
plugins/imdct/ac3_imdct_3dn.c
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plugins/imdct/ac3_imdct_sse.c
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plugins/imdct/ac3_srfft_sse.c
View file @ bad0a366
......@@ -2,7 +2,7 @@
* ac3_srfft_sse.c: accelerated SSE ac3 fft functions
*****************************************************************************
* Copyright (C) 1999, 2000, 2001 VideoLAN
* $Id: ac3_srfft_sse.c,v 1.4 2001/07/08 23:15:11 reno Exp $
* $Id: ac3_srfft_sse.c,v 1.5 2001/07/26 20:00:33 reno Exp $
*
* Authors: Renaud Dartus <reno@videolan.org>
* Aaron Holtzman <aholtzma@engr.uvic.ca>
......@@ -228,28 +228,21 @@ static void fft_asmb_sse (int k, complex_t *x, complex_t *wTB,
"pushl %%eax\n"
"pushl %%ebx\n"
"pushl %%ecx\n" //
"pushl %%ecx\n"
"pushl %%edx\n"
"pushl %%esi\n"
// "movl %%edi, %%ecx\n" /* k */
"pushl %%edi\n" //
"pushl %%edi\n"
"movl 8(%%ebp), %%ecx\n" /* k */
"movl 12(%%ebp), %%eax\n" /* x */
"movl %%ecx, -4(%%ebp)\n" /* k */
"movl 16(%%ebp), %%ebx\n" /* wT */
"movl 20(%%ebp), %%edx\n" /* d */
"movl 24(%%ebp), %%esi\n" /* d3 */
"shll $4, %%ecx\n" /* 16k */ ///
"addl $8, %%edx\n"
"leal (%%eax, %%ecx, 2), %%edi\n"
"addl $8, %%esi\n"
/* TRANSZERO and TRANS */
".align 16\n"
"movaps (%%eax), %%xmm0\n" /* x[1] | x[0] */
"movaps (%%ebx), %%xmm1\n" /* wT[1] | wT[0] */
"movaps (%%ebx, %%ecx), %%xmm2\n" /* wB[1] | wB[0] */
"movaps (%%edi), %%xmm1\n" /* wT[1] | wT[0] */
"movaps (%%edi, %%ecx), %%xmm2\n" /* wB[1] | wB[0] */
"movlps (%%edx), %%xmm3\n" /* d */
"movlps (%%esi), %%xmm4\n" /* d3 */
"movhlps %%xmm1, %%xmm5\n" /* wT[1] */
......@@ -263,14 +256,14 @@ static void fft_asmb_sse (int k, complex_t *x, complex_t *wTB,
"movhlps %%xmm5, %%xmm7\n" /* wT[1].im * d[1].im | wT[1].re * d[1].im */
"movlhps %%xmm6, %%xmm5\n" /* wB[1].im * d3[1].re | wB[1].re * d3[1].re | wT[1].im * d[1].re | wT[1].re * d[1].re */
"shufps $0xb1, %%xmm6, %%xmm7\n" /* wB[1].re * d3[1].im | wB[i].im * d3[1].im | wT[1].re * d[1].im | wT[1].im * d[1].im */
"movl $C_1_sse, %%edi\n"
"movaps (%%edi), %%xmm4\n"
"movl $C_1_sse, %%ebx\n"
"movaps (%%ebx), %%xmm4\n"
"mulps %%xmm4, %%xmm7\n"
"addps %%xmm7, %%xmm5\n" /* wB[1] * d3[1] | wT[1] * d[1] */
"movlhps %%xmm5, %%xmm1\n" /* d[1] * wT[1] | wT[0] */
"shufps $0xe4, %%xmm5, %%xmm2\n" /* d3[1] * wB[1] | wB[0] */
"movaps %%xmm1, %%xmm3\n" /* d[1] * wT[1] | wT[0] */
"leal (%%eax, %%ecx, 2), %%edi\n"
"leal (%%eax, %%ecx, 2), %%ebx\n"
"addps %%xmm2, %%xmm1\n" /* u */
"subps %%xmm2, %%xmm3\n" /* v */
"mulps %%xmm4, %%xmm3\n"
......@@ -283,21 +276,21 @@ static void fft_asmb_sse (int k, complex_t *x, complex_t *wTB,
"addps %%xmm3, %%xmm5\n"
"subps %%xmm3, %%xmm6\n"
"movaps %%xmm0, (%%eax)\n"
"movaps %%xmm2, (%%edi)\n"
"movaps %%xmm2, (%%ebx)\n"
"movaps %%xmm5, (%%eax, %%ecx)\n"
"movaps %%xmm6, (%%edi, %%ecx)\n"
"movaps %%xmm6, (%%ebx, %%ecx)\n"
"addl $16, %%eax\n"
"addl $16, %%ebx\n"
"addl $16, %%edi\n"
"addl $8, %%edx\n"
"addl $8, %%esi\n"
"decl -4(%%ebp)\n"
".align 16\n"
".loop:\n"
"movaps (%%ebx), %%xmm0\n" /* wT[1] | wT[0] */
"movaps (%%edi), %%xmm0\n" /* wT[1] | wT[0] */
"movaps (%%edx), %%xmm1\n" /* d[1] | d[0] */
"movaps (%%ebx, %%ecx), %%xmm4\n" /* wB[1] | wB[0] */
"movaps (%%edi, %%ecx), %%xmm4\n" /* wB[1] | wB[0] */
"movaps (%%esi), %%xmm5\n" /* d3[1] | d3[0] */
"movhlps %%xmm0, %%xmm2\n" /* wT[1] */
......@@ -324,8 +317,8 @@ static void fft_asmb_sse (int k, complex_t *x, complex_t *wTB,
"mulps %%xmm5, %%xmm4\n" /* wB[0].im * d3[0].im | wB[0].re * d3[0].im | wB[0].im * d3[0].re | wB[0].re * d3[0].re */
"mulps %%xmm7, %%xmm6\n" /* wB[1].im * d3[1].im | wB[1].re * d3[1].im | wB[1].im * d3[1].re | wB[1].re * d3[1].re */
"shufps $0xb1, %%xmm2, %%xmm1\n" /* d[1].im * wT[1].re | d[1].im * wT[1].im | d[0].im * wT[0].re | d[0].im * wT[0].im */
"movl $C_1_sse, %%edi\n"
"movaps (%%edi), %%xmm3\n" /* 1.0 | -1.0 | 1.0 | -1.0 */
"movl $C_1_sse, %%ebx\n"
"movaps (%%ebx), %%xmm3\n" /* 1.0 | -1.0 | 1.0 | -1.0 */
"movhlps %%xmm4, %%xmm5\n" /* wB[0].im * d3[0].im | wB[0].re * d3[0].im */
"mulps %%xmm3, %%xmm1\n" /* d[1].im * wT[1].re | -d[1].im * wT[1].im | d[0].im * wT[0].re | -d[0].im * wT[0].im */
......@@ -340,9 +333,9 @@ static void fft_asmb_sse (int k, complex_t *x, complex_t *wTB,
"addps %%xmm4, %%xmm0\n" /* u */
"subps %%xmm4, %%xmm1\n" /* v */
"movaps (%%eax), %%xmm6\n" /* x[1] | x[0] */
"leal (%%eax, %%ecx, 2), %%edi\n"
"leal (%%eax, %%ecx, 2), %%ebx\n"
"mulps %%xmm3, %%xmm1\n"
"addl $16, %%ebx\n"
"addl $16, %%edi\n"
"addl $16, %%esi\n"
"shufps $0xb1, %%xmm1, %%xmm1\n" /* -i * v */
"movaps (%%eax, %%ecx), %%xmm7\n" /* xk[1] | xk[0] */
......@@ -351,12 +344,12 @@ static void fft_asmb_sse (int k, complex_t *x, complex_t *wTB,
"addps %%xmm0, %%xmm6\n"
"subps %%xmm0, %%xmm2\n"
"movaps %%xmm6, (%%eax)\n"
"movaps %%xmm2, (%%edi)\n"
"movaps %%xmm2, (%%ebx)\n"
"addps %%xmm1, %%xmm7\n"
"subps %%xmm1, %%xmm4\n"
"addl $16, %%edx\n"
"movaps %%xmm7, (%%eax, %%ecx)\n"
"movaps %%xmm4, (%%edi, %%ecx)\n"
"movaps %%xmm4, (%%ebx, %%ecx)\n"
"addl $16, %%eax\n"
"decl -4(%%ebp)\n"
......@@ -364,16 +357,17 @@ static void fft_asmb_sse (int k, complex_t *x, complex_t *wTB,
".align 16\n"
".end:\n"
"popl %%edi\n" //
"popl %%edi\n"
"popl %%esi\n"
"popl %%edx\n"
"popl %%ecx\n" //
"popl %%ecx\n"
"popl %%ebx\n"
"popl %%eax\n"
"addl $4, %%esp\n"
"leave\n"
::);
: "=c" (k), "=a" (x), "=D" (wTB)
: "c" (k), "a" (x), "D" (wTB), "d" (d), "S" (d_3));
}
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