[deb_ffmpeg.git] / ffmpeg / libavcodec / arm / aac.h

/*
 * Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
 *
 * 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
 */

#ifndef AVCODEC_ARM_AAC_H
#define AVCODEC_ARM_AAC_H

#include "config.h"

#if HAVE_NEON_INLINE

#define VMUL2 VMUL2
static inline float *VMUL2(float *dst, const float *v, unsigned idx,
                           const float *scale)
{
    unsigned v0, v1;
    __asm__ ("ubfx     %0,  %6,  #0, #4      \n\t"
             "ubfx     %1,  %6,  #4, #4      \n\t"
             "ldr      %0,  [%5, %0, lsl #2] \n\t"
             "ldr      %1,  [%5, %1, lsl #2] \n\t"
             "vld1.32  {d1[]},   [%7,:32]    \n\t"
             "vmov     d0,  %0,  %1          \n\t"
             "vmul.f32 d0,  d0,  d1          \n\t"
             "vst1.32  {d0},     [%2,:64]!   \n\t"
             : "=&r"(v0), "=&r"(v1), "+r"(dst), "=m"(dst[0]), "=m"(dst[1])
             : "r"(v), "r"(idx), "r"(scale)
             : "d0", "d1");
    return dst;
}

#define VMUL4 VMUL4
static inline float *VMUL4(float *dst, const float *v, unsigned idx,
                           const float *scale)
{
    unsigned v0, v1, v2, v3;
    __asm__ ("ubfx     %0,  %10, #0, #2      \n\t"
             "ubfx     %1,  %10, #2, #2      \n\t"
             "ldr      %0,  [%9, %0, lsl #2] \n\t"
             "ubfx     %2,  %10, #4, #2      \n\t"
             "ldr      %1,  [%9, %1, lsl #2] \n\t"
             "ubfx     %3,  %10, #6, #2      \n\t"
             "ldr      %2,  [%9, %2, lsl #2] \n\t"
             "vmov     d0,  %0,  %1          \n\t"
             "ldr      %3,  [%9, %3, lsl #2] \n\t"
             "vld1.32  {d2[],d3[]},[%11,:32] \n\t"
             "vmov     d1,  %2,  %3          \n\t"
             "vmul.f32 q0,  q0,  q1          \n\t"
             "vst1.32  {q0},     [%4,:128]!  \n\t"
             : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst),
               "=m"(dst[0]), "=m"(dst[1]), "=m"(dst[2]), "=m"(dst[3])
             : "r"(v), "r"(idx), "r"(scale)
             : "d0", "d1", "d2", "d3");
    return dst;
}

#define VMUL2S VMUL2S
static inline float *VMUL2S(float *dst, const float *v, unsigned idx,
                            unsigned sign, const float *scale)
{
    unsigned v0, v1, v2, v3;
    __asm__ ("ubfx     %0,  %8,  #0, #4      \n\t"
             "ubfx     %1,  %8,  #4, #4      \n\t"
             "ldr      %0,  [%7, %0, lsl #2] \n\t"
             "lsl      %2,  %10, #30         \n\t"
             "ldr      %1,  [%7, %1, lsl #2] \n\t"
             "lsl      %3,  %10, #31         \n\t"
             "vmov     d0,  %0,  %1          \n\t"
             "bic      %2,  %2,  #1<<30      \n\t"
             "vld1.32  {d1[]},   [%9,:32]    \n\t"
             "vmov     d2,  %2,  %3          \n\t"
             "veor     d0,  d0,  d2          \n\t"
             "vmul.f32 d0,  d0,  d1          \n\t"
             "vst1.32  {d0},     [%4,:64]!   \n\t"
             : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst),
               "=m"(dst[0]), "=m"(dst[1])
             : "r"(v), "r"(idx), "r"(scale), "r"(sign)
             : "d0", "d1", "d2");
    return dst;
}

#define VMUL4S VMUL4S
static inline float *VMUL4S(float *dst, const float *v, unsigned idx,
                            unsigned sign, const float *scale)
{
    unsigned v0, v1, v2, v3, nz;
    __asm__ ("vld1.32  {d2[],d3[]},[%13,:32] \n\t"
             "ubfx     %0,  %12, #0, #2      \n\t"
             "ubfx     %1,  %12, #2, #2      \n\t"
             "ldr      %0,  [%11,%0, lsl #2] \n\t"
             "ubfx     %2,  %12, #4, #2      \n\t"
             "ldr      %1,  [%11,%1, lsl #2] \n\t"
             "ubfx     %3,  %12, #6, #2      \n\t"
             "ldr      %2,  [%11,%2, lsl #2] \n\t"
             "vmov     d0,  %0,  %1          \n\t"
             "ldr      %3,  [%11,%3, lsl #2] \n\t"
             "lsr      %6,  %12, #12         \n\t"
             "rbit     %6,  %6               \n\t"
             "vmov     d1,  %2,  %3          \n\t"
             "lsls     %6,  %6,  #1          \n\t"
             "and      %0,  %5,  #1<<31      \n\t"
             "it       cs                    \n\t"
             "lslcs    %5,  %5,  #1          \n\t"
             "lsls     %6,  %6,  #1          \n\t"
             "and      %1,  %5,  #1<<31      \n\t"
             "it       cs                    \n\t"
             "lslcs    %5,  %5,  #1          \n\t"
             "lsls     %6,  %6,  #1          \n\t"
             "and      %2,  %5,  #1<<31      \n\t"
             "it       cs                    \n\t"
             "lslcs    %5,  %5,  #1          \n\t"
             "vmov     d4,  %0,  %1          \n\t"
             "and      %3,  %5,  #1<<31      \n\t"
             "vmov     d5,  %2,  %3          \n\t"
             "veor     q0,  q0,  q2          \n\t"
             "vmul.f32 q0,  q0,  q1          \n\t"
             "vst1.32  {q0},     [%4,:128]!  \n\t"
             : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst),
               "+r"(sign), "=r"(nz),
               "=m"(dst[0]), "=m"(dst[1]), "=m"(dst[2]), "=m"(dst[3])
             : "r"(v), "r"(idx), "r"(scale)
             : "cc", "d0", "d1", "d2", "d3", "d4", "d5");
    return dst;
}

#endif /* HAVE_NEON_INLINE */

#endif /* AVCODEC_ARM_AAC_H */
Commit	Line	Data
2ba45a60 DM	1	/*
	2	* Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
	3	*
	4	* This file is part of FFmpeg.
	5	*
	6	* FFmpeg is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU Lesser General Public
	8	* License as published by the Free Software Foundation; either
	9	* version 2.1 of the License, or (at your option) any later version.
	10	*
	11	* FFmpeg is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	* Lesser General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU Lesser General Public
	17	* License along with FFmpeg; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
	21	#ifndef AVCODEC_ARM_AAC_H
	22	#define AVCODEC_ARM_AAC_H
	23
	24	#include "config.h"
	25
	26	#if HAVE_NEON_INLINE
	27
	28	#define VMUL2 VMUL2
	29	static inline float VMUL2(float dst, const float *v, unsigned idx,
	30	const float *scale)
	31	{
	32	unsigned v0, v1;
	33	__asm__ ("ubfx %0, %6, #0, #4 \n\t"
	34	"ubfx %1, %6, #4, #4 \n\t"
	35	"ldr %0, [%5, %0, lsl #2] \n\t"
	36	"ldr %1, [%5, %1, lsl #2] \n\t"
	37	"vld1.32 {d1[]}, [%7,:32] \n\t"
	38	"vmov d0, %0, %1 \n\t"
	39	"vmul.f32 d0, d0, d1 \n\t"
	40	"vst1.32 {d0}, [%2,:64]! \n\t"
	41	: "=&r"(v0), "=&r"(v1), "+r"(dst), "=m"(dst[0]), "=m"(dst[1])
	42	: "r"(v), "r"(idx), "r"(scale)
	43	: "d0", "d1");
	44	return dst;
	45	}
	46
	47	#define VMUL4 VMUL4
	48	static inline float VMUL4(float dst, const float *v, unsigned idx,
	49	const float *scale)
	50	{
	51	unsigned v0, v1, v2, v3;
	52	__asm__ ("ubfx %0, %10, #0, #2 \n\t"
	53	"ubfx %1, %10, #2, #2 \n\t"
	54	"ldr %0, [%9, %0, lsl #2] \n\t"
	55	"ubfx %2, %10, #4, #2 \n\t"
	56	"ldr %1, [%9, %1, lsl #2] \n\t"
	57	"ubfx %3, %10, #6, #2 \n\t"
	58	"ldr %2, [%9, %2, lsl #2] \n\t"
	59	"vmov d0, %0, %1 \n\t"
	60	"ldr %3, [%9, %3, lsl #2] \n\t"
	61	"vld1.32 {d2[],d3[]},[%11,:32] \n\t"
	62	"vmov d1, %2, %3 \n\t"
	63	"vmul.f32 q0, q0, q1 \n\t"
	64	"vst1.32 {q0}, [%4,:128]! \n\t"
65	: "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst),
66	"=m"(dst[0]), "=m"(dst[1]), "=m"(dst[2]), "=m"(dst[3])
67	: "r"(v), "r"(idx), "r"(scale)
68	: "d0", "d1", "d2", "d3");
69	return dst;
70	}
71
72	#define VMUL2S VMUL2S
73	static inline float VMUL2S(float dst, const float *v, unsigned idx,
74	unsigned sign, const float *scale)
75	{
76	unsigned v0, v1, v2, v3;
77	__asm__ ("ubfx %0, %8, #0, #4 \n\t"
78	"ubfx %1, %8, #4, #4 \n\t"
79	"ldr %0, [%7, %0, lsl #2] \n\t"
80	"lsl %2, %10, #30 \n\t"
81	"ldr %1, [%7, %1, lsl #2] \n\t"
82	"lsl %3, %10, #31 \n\t"
83	"vmov d0, %0, %1 \n\t"
84	"bic %2, %2, #1<<30 \n\t"
85	"vld1.32 {d1[]}, [%9,:32] \n\t"
86	"vmov d2, %2, %3 \n\t"
87	"veor d0, d0, d2 \n\t"
88	"vmul.f32 d0, d0, d1 \n\t"
89	"vst1.32 {d0}, [%4,:64]! \n\t"
90	: "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst),
91	"=m"(dst[0]), "=m"(dst[1])
92	: "r"(v), "r"(idx), "r"(scale), "r"(sign)
93	: "d0", "d1", "d2");
94	return dst;
95	}
96
97	#define VMUL4S VMUL4S
98	static inline float VMUL4S(float dst, const float *v, unsigned idx,
99	unsigned sign, const float *scale)
100	{
101	unsigned v0, v1, v2, v3, nz;
102	__asm__ ("vld1.32 {d2[],d3[]},[%13,:32] \n\t"
103	"ubfx %0, %12, #0, #2 \n\t"
104	"ubfx %1, %12, #2, #2 \n\t"
105	"ldr %0, [%11,%0, lsl #2] \n\t"
106	"ubfx %2, %12, #4, #2 \n\t"
107	"ldr %1, [%11,%1, lsl #2] \n\t"
108	"ubfx %3, %12, #6, #2 \n\t"
109	"ldr %2, [%11,%2, lsl #2] \n\t"
110	"vmov d0, %0, %1 \n\t"
111	"ldr %3, [%11,%3, lsl #2] \n\t"
112	"lsr %6, %12, #12 \n\t"
113	"rbit %6, %6 \n\t"
114	"vmov d1, %2, %3 \n\t"
115	"lsls %6, %6, #1 \n\t"
116	"and %0, %5, #1<<31 \n\t"
117	"it cs \n\t"
118	"lslcs %5, %5, #1 \n\t"
119	"lsls %6, %6, #1 \n\t"
120	"and %1, %5, #1<<31 \n\t"
121	"it cs \n\t"
122	"lslcs %5, %5, #1 \n\t"
123	"lsls %6, %6, #1 \n\t"
124	"and %2, %5, #1<<31 \n\t"
125	"it cs \n\t"
126	"lslcs %5, %5, #1 \n\t"
127	"vmov d4, %0, %1 \n\t"
128	"and %3, %5, #1<<31 \n\t"
129	"vmov d5, %2, %3 \n\t"
130	"veor q0, q0, q2 \n\t"
131	"vmul.f32 q0, q0, q1 \n\t"
132	"vst1.32 {q0}, [%4,:128]! \n\t"
133	: "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst),
134	"+r"(sign), "=r"(nz),
135	"=m"(dst[0]), "=m"(dst[1]), "=m"(dst[2]), "=m"(dst[3])
136	: "r"(v), "r"(idx), "r"(scale)
137	: "cc", "d0", "d1", "d2", "d3", "d4", "d5");
138	return dst;
139	}
140
141	#endif /* HAVE_NEON_INLINE */
142
143	#endif /* AVCODEC_ARM_AAC_H */