gcc/libgcc/config/arm/bpabi-lib.h

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/* Configuration file for ARM BPABI targets, library renames.
Copyright (C) 2010-2013 Free Software Foundation, Inc.
Contributed by CodeSourcery, LLC
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3, or (at your
option) any later version.
GCC 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 General Public
License for more details.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
/* Make __aeabi_AEABI_NAME an alias for __GCC_NAME. */
#define RENAME_LIBRARY(GCC_NAME, AEABI_NAME) \
typeof (__##GCC_NAME) __aeabi_##AEABI_NAME \
__attribute__((alias ("__" #GCC_NAME)));
/* Give some libgcc functions an additional __aeabi name. */
#ifdef L_muldi3
#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (muldi3, lmul)
#endif
#ifdef L_muldi3
#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (muldi3, lmul)
#endif
#ifdef L_fixdfdi
#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixdfdi, d2lz) \
extern DWtype __fixdfdi (DFtype) __attribute__((pcs("aapcs"))); \
extern UDWtype __fixunsdfdi (DFtype) __asm__("__aeabi_d2ulz") __attribute__((pcs("aapcs")));
#endif
#ifdef L_fixunsdfdi
#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunsdfdi, d2ulz) \
extern UDWtype __fixunsdfdi (DFtype) __attribute__((pcs("aapcs")));
#endif
#ifdef L_fixsfdi
#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixsfdi, f2lz) \
extern DWtype __fixsfdi (SFtype) __attribute__((pcs("aapcs"))); \
extern UDWtype __fixunssfdi (SFtype) __asm__("__aeabi_f2ulz") __attribute__((pcs("aapcs")));
#endif
#ifdef L_fixunssfdi
#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunssfdi, f2ulz) \
extern UDWtype __fixunssfdi (SFtype) __attribute__((pcs("aapcs")));
#endif
#ifdef L_floatdidf
#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdidf, l2d)
#endif
#ifdef L_floatdisf
#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdisf, l2f)
#endif
/* These renames are needed on ARMv6M. Other targets get them from
assembly routines. */
#ifdef L_fixunsdfsi
#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunsdfsi, d2uiz)
#endif
#ifdef L_fixunssfsi
#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunssfsi, f2uiz)
#endif
#ifdef L_floatundidf
#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatundidf, ul2d)
#endif
#ifdef L_floatundisf
#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatundisf, ul2f)
#endif
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
/* For ARM bpabi, we only want to use a "__gnu_" prefix for the fixed-point
helper functions - not everything in libgcc - in the interests of
maintaining backward compatibility. */
#define LIBGCC2_FIXEDBIT_GNU_PREFIX
#if (!defined(__ARM_ARCH_EXT_IDIV__))
# define TARGET_HAS_NO_HW_DIVIDE
#endif