/*
* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
# define ELF @
#endif
- .macro require8, val=1
+#if CONFIG_THUMB
+# define A @
+# define T
+#else
+# define A
+# define T @
+#endif
+
+#if HAVE_NEON
+ .arch armv7-a
+#elif HAVE_ARMV6T2
+ .arch armv6t2
+#elif HAVE_ARMV6
+ .arch armv6
+#elif HAVE_ARMV5TE
+ .arch armv5te
+#endif
+
+#if HAVE_NEON
+ .fpu neon
+#elif HAVE_ARMVFP
+ .fpu vfp
+#endif
+
+ .syntax unified
+T .thumb
+
+.macro require8 val=1
ELF .eabi_attribute 24, \val
- .endm
+.endm
- .macro preserve8, val=1
+.macro preserve8 val=1
ELF .eabi_attribute 25, \val
- .endm
+.endm
- .macro function name, export=0
-.if \export
+.macro function name, export=0
+ .macro endfunc
+ELF .size \name, . - \name
+ .endfunc
+ .purgem endfunc
+ .endm
+ .text
+ .if \export
.global EXTERN_ASM\name
EXTERN_ASM\name:
-.endif
+ .endif
ELF .type \name, %function
.func \name
\name:
- .endm
+.endm
- .macro movrel rd, val
-#if HAVE_ARMV6T2 && !CONFIG_PIC
+.macro const name, align=2
+ .macro endconst
+ELF .size \name, . - \name
+ .purgem endconst
+ .endm
+ .section .rodata
+ .align \align
+\name:
+.endm
+
+.macro mov32 rd, val
+#if HAVE_ARMV6T2
+ movw \rd, #(\val) & 0xffff
+ .if (\val) >> 16
+ movt \rd, #(\val) >> 16
+ .endif
+#else
+ ldr \rd, =\val
+#endif
+.endm
+
+.macro movrel rd, val
+#if HAVE_ARMV6T2 && !CONFIG_PIC && !defined(__APPLE__)
movw \rd, #:lower16:\val
movt \rd, #:upper16:\val
#else
ldr \rd, =\val
#endif
- .endm
+.endm
+
+.macro ldr_pre rt, rn, rm:vararg
+A ldr \rt, [\rn, \rm]!
+T add \rn, \rn, \rm
+T ldr \rt, [\rn]
+.endm
+
+.macro ldr_dpre rt, rn, rm:vararg
+A ldr \rt, [\rn, -\rm]!
+T sub \rn, \rn, \rm
+T ldr \rt, [\rn]
+.endm
+
+.macro ldr_post rt, rn, rm:vararg
+A ldr \rt, [\rn], \rm
+T ldr \rt, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro ldrd_reg rt, rt2, rn, rm
+A ldrd \rt, \rt2, [\rn, \rm]
+T add \rt, \rn, \rm
+T ldrd \rt, \rt2, [\rt]
+.endm
+
+.macro ldrd_post rt, rt2, rn, rm
+A ldrd \rt, \rt2, [\rn], \rm
+T ldrd \rt, \rt2, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro ldrh_pre rt, rn, rm
+A ldrh \rt, [\rn, \rm]!
+T add \rn, \rn, \rm
+T ldrh \rt, [\rn]
+.endm
+
+.macro ldrh_dpre rt, rn, rm
+A ldrh \rt, [\rn, -\rm]!
+T sub \rn, \rn, \rm
+T ldrh \rt, [\rn]
+.endm
+
+.macro ldrh_post rt, rn, rm
+A ldrh \rt, [\rn], \rm
+T ldrh \rt, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro str_post rt, rn, rm:vararg
+A str \rt, [\rn], \rm
+T str \rt, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro strb_post rt, rn, rm:vararg
+A strb \rt, [\rn], \rm
+T strb \rt, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro strd_post rt, rt2, rn, rm
+A strd \rt, \rt2, [\rn], \rm
+T strd \rt, \rt2, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro strh_pre rt, rn, rm
+A strh \rt, [\rn, \rm]!
+T add \rn, \rn, \rm
+T strh \rt, [\rn]
+.endm
+
+.macro strh_dpre rt, rn, rm
+A strh \rt, [\rn, -\rm]!
+T sub \rn, \rn, \rm
+T strh \rt, [\rn]
+.endm
+
+.macro strh_post rt, rn, rm
+A strh \rt, [\rn], \rm
+T strh \rt, [\rn]
+T add \rn, \rn, \rm
+.endm
+
+.macro strh_dpost rt, rn, rm
+A strh \rt, [\rn], -\rm
+T strh \rt, [\rn]
+T sub \rn, \rn, \rm
+.endm
#if HAVE_VFP_ARGS
.eabi_attribute 28, 1
projects / ffmpeg / blobdiff