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e986a5d10d
* qatar/master: FATE: add tests for targa ARM: fix Thumb-mode simple_idct_arm ARM: 4-byte align start of all asm functions rgb2rgb: rgb12to15() swscale-test: fix stack overread. swscale: fix invalid conversions and memory problems. cabac: split cabac.h into declarations and function definitions cabac: Mark ff_h264_mps_state array as static, it is only used within cabac.c. cabac: Remove ff_h264_lps_state array. Conflicts: libswscale/rgb2rgb.h libswscale/swscale_unscaled.c tests/fate/image.mak Merged-by: Michael Niedermayer <michaelni@gmx.at>
225 lines
5.3 KiB
ArmAsm
225 lines
5.3 KiB
ArmAsm
/*
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* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "config.h"
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#ifdef __ELF__
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# define ELF
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#else
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# define ELF @
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#endif
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#if CONFIG_THUMB
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# define A @
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# define T
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#else
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# define A
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# define T @
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#endif
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#if HAVE_NEON
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.arch armv7-a
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#elif HAVE_ARMV6T2
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.arch armv6t2
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#elif HAVE_ARMV6
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.arch armv6
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#elif HAVE_ARMV5TE
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.arch armv5te
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#endif
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#if HAVE_NEON
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.fpu neon
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#elif HAVE_ARMVFP
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.fpu vfp
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#endif
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.syntax unified
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T .thumb
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.macro require8 val=1
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ELF .eabi_attribute 24, \val
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.endm
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.macro preserve8 val=1
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ELF .eabi_attribute 25, \val
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.endm
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.macro function name, export=0
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.macro endfunc
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ELF .size \name, . - \name
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.endfunc
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.purgem endfunc
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.endm
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.text
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.align 2
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.if \export
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.global EXTERN_ASM\name
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EXTERN_ASM\name:
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.endif
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ELF .type \name, %function
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.func \name
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\name:
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.endm
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.macro const name, align=2
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.macro endconst
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ELF .size \name, . - \name
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.purgem endconst
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.endm
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.section .rodata
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.align \align
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\name:
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.endm
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.macro mov32 rd, val
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#if HAVE_ARMV6T2
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movw \rd, #(\val) & 0xffff
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.if (\val) >> 16
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movt \rd, #(\val) >> 16
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.endif
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#else
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ldr \rd, =\val
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#endif
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.endm
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.macro movrel rd, val
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#if HAVE_ARMV6T2 && !CONFIG_PIC && !defined(__APPLE__)
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movw \rd, #:lower16:\val
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movt \rd, #:upper16:\val
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#else
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ldr \rd, =\val
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#endif
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.endm
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.macro ldr_pre rt, rn, rm:vararg
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A ldr \rt, [\rn, \rm]!
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T add \rn, \rn, \rm
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T ldr \rt, [\rn]
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.endm
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.macro ldr_dpre rt, rn, rm:vararg
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A ldr \rt, [\rn, -\rm]!
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T sub \rn, \rn, \rm
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T ldr \rt, [\rn]
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.endm
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.macro ldr_dpren rt, rn, rm:vararg
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A ldr \rt, [\rn, -\rm]
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T sub \rt, \rn, \rm
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T ldr \rt, [\rt]
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.endm
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.macro ldr_post rt, rn, rm:vararg
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A ldr \rt, [\rn], \rm
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T ldr \rt, [\rn]
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T add \rn, \rn, \rm
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.endm
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.macro ldrd_reg rt, rt2, rn, rm
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A ldrd \rt, \rt2, [\rn, \rm]
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T add \rt, \rn, \rm
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T ldrd \rt, \rt2, [\rt]
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.endm
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.macro ldrd_post rt, rt2, rn, rm
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A ldrd \rt, \rt2, [\rn], \rm
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T ldrd \rt, \rt2, [\rn]
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T add \rn, \rn, \rm
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.endm
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.macro ldrh_pre rt, rn, rm
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A ldrh \rt, [\rn, \rm]!
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T add \rn, \rn, \rm
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T ldrh \rt, [\rn]
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.endm
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.macro ldrh_dpre rt, rn, rm
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A ldrh \rt, [\rn, -\rm]!
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T sub \rn, \rn, \rm
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T ldrh \rt, [\rn]
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.endm
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.macro ldrh_post rt, rn, rm
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A ldrh \rt, [\rn], \rm
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T ldrh \rt, [\rn]
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T add \rn, \rn, \rm
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.endm
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.macro ldrb_post rt, rn, rm
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A ldrb \rt, [\rn], \rm
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T ldrb \rt, [\rn]
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T add \rn, \rn, \rm
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.endm
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.macro str_post rt, rn, rm:vararg
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A str \rt, [\rn], \rm
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T str \rt, [\rn]
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T add \rn, \rn, \rm
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.endm
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.macro strb_post rt, rn, rm:vararg
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A strb \rt, [\rn], \rm
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T strb \rt, [\rn]
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T add \rn, \rn, \rm
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.endm
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.macro strd_post rt, rt2, rn, rm
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A strd \rt, \rt2, [\rn], \rm
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T strd \rt, \rt2, [\rn]
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T add \rn, \rn, \rm
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.endm
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.macro strh_pre rt, rn, rm
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A strh \rt, [\rn, \rm]!
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T add \rn, \rn, \rm
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T strh \rt, [\rn]
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.endm
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.macro strh_dpre rt, rn, rm
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A strh \rt, [\rn, -\rm]!
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T sub \rn, \rn, \rm
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T strh \rt, [\rn]
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.endm
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.macro strh_post rt, rn, rm
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A strh \rt, [\rn], \rm
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T strh \rt, [\rn]
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T add \rn, \rn, \rm
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.endm
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.macro strh_dpost rt, rn, rm
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A strh \rt, [\rn], -\rm
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T strh \rt, [\rn]
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T sub \rn, \rn, \rm
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.endm
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#if HAVE_VFP_ARGS
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.eabi_attribute 28, 1
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# define VFP
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# define NOVFP @
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#else
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# define VFP @
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# define NOVFP
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#endif
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#define GLUE(a, b) a ## b
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#define JOIN(a, b) GLUE(a, b)
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#define X(s) JOIN(EXTERN_ASM, s)
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