2744b8b286
ARC processors can work with a reduced register set (i.e. registers r4-r9 and r16-r25 are not available). This option can be enabled passing -mrf16 option to the compiler, or by using -mcpu=em_mini CPU configuration. Using RF16 config requires all the hand-made assembly files used in libgcc to have the corresponding RF16 object attribute set. This patch qualifies the relevant hand-made assembly files to RF16 config, and also adds generic c-functions for the one which are not. libgcc/ xxxx-xx-xx Claudiu Zissulescu <claziss@synopsys.com> * config/arc/crti.S: Add RF16 object attribute. * config/arc/crtn.S: Likewise. * config/arc/crttls.S: Likewise. * config/arc/lib1funcs.S: Likewise. * config/arc/fp-hack.h (ARC_OPTFPE): Define. * config/arc/lib2funcs.c: New file. * config/arc/t-arc: Add lib2funcs to LIB2ADD.
91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
/* Copyright (C) 2007-2020 Free Software Foundation, Inc.
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Contributor: Joern Rennecke <joern.rennecke@embecosm.com>
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on behalf of Synopsys Inc.
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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 under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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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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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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/* This file selects the single-precision parts of fp-bit.c that are
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still needed for some ARC hardware variants; it also renames functions
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that duplicate asm-coded functionality so that their results can be
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used to compare with the optimized versions for debugging. */
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#define ARC_FP_DEBUG 1
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#define FINE_GRAINED_LIBRARIES
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#if defined (__ARC700__) || defined (__ARC_FPX_QUARK__)
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#define ARC_OPTFPE 1
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#endif
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#if !ARC_OPTFPE || ARC_FP_DEBUG
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#define L_pack_sf
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#define L_unpack_sf
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#define L_make_sf
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#define L_thenan_sf
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#endif
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#if !ARC_OPTFPE
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#define L_addsub_sf
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#define L_mul_sf
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#define L_div_sf
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#define L_sf_to_df
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#define L_si_to_sf
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#define L_sf_to_si
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#define L_usi_to_sf
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#elif ARC_FP_DEBUG
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#define L_addsub_sf
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#define __addsf3 __addsf3_c
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#define __subsf3 __subsf3_c
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#define L_mul_sf
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#define __mulsf3 __mulsf3_c
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#define L_div_sf
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#define __divsf3 __divsf3_c
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#define L_sf_to_df
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#define __extendsfdf2 __extendsfdf2_c
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#define L_si_to_sf
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#define __floatsisf __floatsisf_c
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#define L_sf_to_si
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#define __fixsfsi __fixsfsi_c
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#define L_usi_to_sf
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#define __floatunsisf __floatunsisf_c
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#endif
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#if !ARC_OPTFPE
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#define L_fpcmp_parts_sf
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#define L_compare_sf
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#define L_eq_sf
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#define L_ne_sf
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#define L_gt_sf
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#define L_ge_sf
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#define L_lt_sf
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#define L_le_sf
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#define L_unord_sf
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#define L_negate_sf
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#elif ARC_FP_DEBUG
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#define L_fpcmp_parts_sf
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#define L_eq_sf
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#define __eqsf2 __eqsf2_c
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#define L_gt_sf
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#define __gtsf2 __gtsf2_c
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#define L_ge_sf
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#define __gesf2 __gesf2_c
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#define L_unord_sf
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#define __unordsf2 __unordsf2_c
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#endif
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