2010-10-14 14:35:43 +02:00
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/* Configuration file for ARM BPABI targets, library renames.
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2020-01-01 12:51:42 +01:00
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Copyright (C) 2010-2020 Free Software Foundation, Inc.
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2010-10-14 14:35:43 +02:00
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Contributed by CodeSourcery, LLC
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 3, or (at your
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option) any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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2014-05-12 11:02:36 +02:00
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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2010-10-14 14:35:43 +02:00
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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/* Make __aeabi_AEABI_NAME an alias for __GCC_NAME. */
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#define RENAME_LIBRARY(GCC_NAME, AEABI_NAME) \
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2011-08-17 13:13:20 +02:00
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typeof (__##GCC_NAME) __aeabi_##AEABI_NAME \
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__attribute__((alias ("__" #GCC_NAME)));
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2010-10-14 14:35:43 +02:00
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/* Give some libgcc functions an additional __aeabi name. */
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#ifdef L_muldi3
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (muldi3, lmul)
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#endif
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#ifdef L_muldi3
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (muldi3, lmul)
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#endif
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#ifdef L_fixdfdi
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixdfdi, d2lz) \
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extern DWtype __fixdfdi (DFtype) __attribute__((pcs("aapcs"))); \
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extern UDWtype __fixunsdfdi (DFtype) __asm__("__aeabi_d2ulz") __attribute__((pcs("aapcs")));
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#endif
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#ifdef L_fixunsdfdi
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunsdfdi, d2ulz) \
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extern UDWtype __fixunsdfdi (DFtype) __attribute__((pcs("aapcs")));
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#endif
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#ifdef L_fixsfdi
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixsfdi, f2lz) \
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extern DWtype __fixsfdi (SFtype) __attribute__((pcs("aapcs"))); \
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extern UDWtype __fixunssfdi (SFtype) __asm__("__aeabi_f2ulz") __attribute__((pcs("aapcs")));
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#endif
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#ifdef L_fixunssfdi
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunssfdi, f2ulz) \
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extern UDWtype __fixunssfdi (SFtype) __attribute__((pcs("aapcs")));
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#endif
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#ifdef L_floatdidf
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdidf, l2d)
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#endif
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#ifdef L_floatdisf
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdisf, l2f)
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#endif
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/* These renames are needed on ARMv6M. Other targets get them from
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assembly routines. */
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#ifdef L_fixunsdfsi
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunsdfsi, d2uiz)
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#endif
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#ifdef L_fixunssfsi
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunssfsi, f2uiz)
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#endif
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#ifdef L_floatundidf
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatundidf, ul2d)
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#endif
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#ifdef L_floatundisf
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatundisf, ul2f)
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#endif
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configure.ac (fixed-point): Add ARM support.
gcc/
* configure.ac (fixed-point): Add ARM support.
* configure: Regenerate.
* config/arm/arm.c (arm_fixed_mode_set): New struct.
(arm_set_fixed_optab_libfunc): New.
(arm_set_fixed_conv_libfunc): New.
(arm_init_libfuncs): Initialise fixed-point helper libfuncs with
ARM-specific names.
(aapcs_libcall_value): Return sub-word-size fixed-point libcall
return values in SImode.
(arm_return_in_msb): Return fixed-point types in the msb.
(arm_pad_reg_upwards, arm_pad_arg_upwards): Pad fixed-point types
upwards.
(arm_scalar_mode_supported_p): Support fixed-point modes.
(arm_vector_mode_supported_p): Support vector fixed-point modes.
* config/arm/arm.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE)
(LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE)
(SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE)
(LONG_LONG_ACCUM_TYPE_SIZE, MAX_FIXED_MODE_SIZE): Define.
* config/arm/iterators.md (FIXED, ADDSUB, UQADDSUB, QADDSUB, QMUL):
New mode iterators.
(qaddsub_suf): New mode attribute.
* config/arm/arm-modes.def (FRACT, UFRACT, ACCUM, UACCUM): Declare
vector modes.
* config/arm/predicates.md (sat_shift_operator): New predicate.
* config/arm/arm-fixed.md: New.
* config/arm/arm.md: Include arm-fixed.md.
* config/arm/t-arm (MD_INCLUDES): Add arm-fixed.md.
libgcc/
* config.host (arm*-*-linux*, arm*-*-uclinux*, arm*-*-eabi*)
(arm*-*-symbianelf*): Add t-fixedpoint-gnu-prefix makefile fragment.
* config/arm/bpabi-lib.h (LIBGCC2_FIXEDBIT_GNU_PREFIX): Define.
gcc/testsuite/
* gcc.target/arm/fixed-point-exec.c: New test.
From-SVN: r177025
2011-08-01 14:41:30 +02:00
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/* For ARM bpabi, we only want to use a "__gnu_" prefix for the fixed-point
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helper functions - not everything in libgcc - in the interests of
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maintaining backward compatibility. */
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#define LIBGCC2_FIXEDBIT_GNU_PREFIX
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2013-12-04 12:34:39 +01:00
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#if (!defined(__ARM_ARCH_EXT_IDIV__))
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# define TARGET_HAS_NO_HW_DIVIDE
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#endif
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