microblaze-c.c revision 1.6
1/* Subroutines used for the C front end for Xilinx MicroBlaze. 2 Copyright (C) 2010-2017 Free Software Foundation, Inc. 3 4 Contributed by Michael Eager <eager@eagercon.com>. 5 6 This file is part of GCC. 7 8 GCC is free software; you can redistribute it and/or modify it 9 under the terms of the GNU General Public License as published 10 by the Free Software Foundation; either version 3, or (at your 11 option) any later version. 12 13 GCC is distributed in the hope that it will be useful, but WITHOUT 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 16 License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with GCC; see the file COPYING3. If not see 20 <http://www.gnu.org/licenses/>. */ 21 22#include "config.h" 23#include "system.h" 24#include "coretypes.h" 25#include "target.h" 26#include "c-family/c-common.h" 27 28#define builtin_define(TXT) cpp_define (pfile, TXT) 29#define builtin_assert(TXT) cpp_assert (pfile, TXT) 30 31/* Define preprocessor symbols for MicroBlaze. 32 Symbols which do not start with __ are deprecated. */ 33 34void 35microblaze_cpp_define (cpp_reader *pfile) 36{ 37 builtin_assert ("cpu=microblaze"); 38 builtin_assert ("machine=microblaze"); 39 builtin_define ("__MICROBLAZE__"); 40 builtin_define ("__microblaze__"); 41 if (TARGET_LITTLE_ENDIAN) 42 { 43 builtin_define ("_LITTLE_ENDIAN"); 44 builtin_define ("__LITTLE_ENDIAN__"); 45 builtin_define ("__MICROBLAZEEL__"); 46 } 47 else 48 { 49 builtin_define ("_BIG_ENDIAN"); 50 builtin_define ("__BIG_ENDIAN__"); 51 builtin_define ("__MICROBLAZEEB__"); 52 } 53 if (!TARGET_SOFT_MUL) 54 { 55 if (!flag_iso) 56 builtin_define ("HAVE_HW_MUL"); 57 builtin_define ("__HAVE_HW_MUL__"); 58 } 59 if (TARGET_MULTIPLY_HIGH) 60 { 61 if (!flag_iso) 62 builtin_define ("HAVE_HW_MUL_HIGH"); 63 builtin_define ("__HAVE_HW_MUL_HIGH__"); 64 } 65 if (!TARGET_SOFT_DIV) 66 { 67 if (!flag_iso) 68 builtin_define ("HAVE_HW_DIV"); 69 builtin_define ("__HAVE_HW_DIV__"); 70 } 71 if (TARGET_BARREL_SHIFT) 72 { 73 if (!flag_iso) 74 builtin_define ("HAVE_HW_BSHIFT"); 75 builtin_define ("__HAVE_HW_BSHIFT__"); 76 } 77 if (TARGET_PATTERN_COMPARE) 78 { 79 if (!flag_iso) 80 builtin_define ("HAVE_HW_PCMP"); 81 builtin_define ("__HAVE_HW_PCMP__"); 82 } 83 if (TARGET_HARD_FLOAT) 84 { 85 if (!flag_iso) 86 builtin_define ("HAVE_HW_FPU"); 87 builtin_define ("__HAVE_HW_FPU__"); 88 } 89 if (TARGET_FLOAT_CONVERT) 90 { 91 if (!flag_iso) 92 builtin_define ("HAVE_HW_FPU_CONVERT"); 93 builtin_define ("__HAVE_HW_FPU_CONVERT__"); 94 } 95 if (TARGET_FLOAT_SQRT) 96 { 97 if (!flag_iso) 98 builtin_define ("HAVE_HW_FPU_SQRT"); 99 builtin_define ("__HAVE_HW_FPU_SQRT__"); 100 } 101} 102