microblaze-c.c revision 1.1
1/* Subroutines used for the C front end for Xilinx MicroBlaze. 2 Copyright (C) 2010-2013 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 "tm.h" 26#include "cpplib.h" 27#include "tree.h" 28#include "c-family/c-common.h" 29#include "tm_p.h" 30#include "target.h" 31 32#define builtin_define(TXT) cpp_define (pfile, TXT) 33#define builtin_assert(TXT) cpp_assert (pfile, TXT) 34 35/* Define preprocessor symbols for MicroBlaze. 36 Symbols which do not start with __ are deprecated. */ 37 38void 39microblaze_cpp_define (cpp_reader *pfile) 40{ 41 builtin_assert ("cpu=microblaze"); 42 builtin_assert ("machine=microblaze"); 43 builtin_define ("__MICROBLAZE__"); 44 builtin_define ("__microblaze__"); 45 if (TARGET_LITTLE_ENDIAN) 46 { 47 builtin_define ("_LITTLE_ENDIAN"); 48 builtin_define ("__LITTLE_ENDIAN__"); 49 builtin_define ("__MICROBLAZEEL__"); 50 } 51 else 52 { 53 builtin_define ("_BIG_ENDIAN"); 54 builtin_define ("__BIG_ENDIAN__"); 55 builtin_define ("__MICROBLAZEEB__"); 56 } 57 if (!TARGET_SOFT_MUL) 58 { 59 if (!flag_iso) 60 builtin_define ("HAVE_HW_MUL"); 61 builtin_define ("__HAVE_HW_MUL__"); 62 } 63 if (TARGET_MULTIPLY_HIGH) 64 { 65 if (!flag_iso) 66 builtin_define ("HAVE_HW_MUL_HIGH"); 67 builtin_define ("__HAVE_HW_MUL_HIGH__"); 68 } 69 if (!TARGET_SOFT_DIV) 70 { 71 if (!flag_iso) 72 builtin_define ("HAVE_HW_DIV"); 73 builtin_define ("__HAVE_HW_DIV__"); 74 } 75 if (TARGET_BARREL_SHIFT) 76 { 77 if (!flag_iso) 78 builtin_define ("HAVE_HW_BSHIFT"); 79 builtin_define ("__HAVE_HW_BSHIFT__"); 80 } 81 if (TARGET_PATTERN_COMPARE) 82 { 83 if (!flag_iso) 84 builtin_define ("HAVE_HW_PCMP"); 85 builtin_define ("__HAVE_HW_PCMP__"); 86 } 87 if (TARGET_HARD_FLOAT) 88 { 89 if (!flag_iso) 90 builtin_define ("HAVE_HW_FPU"); 91 builtin_define ("__HAVE_HW_FPU__"); 92 } 93 if (TARGET_FLOAT_CONVERT) 94 { 95 if (!flag_iso) 96 builtin_define ("HAVE_HW_FPU_CONVERT"); 97 builtin_define ("__HAVE_HW_FPU_CONVERT__"); 98 } 99 if (TARGET_FLOAT_SQRT) 100 { 101 if (!flag_iso) 102 builtin_define ("HAVE_HW_FPU_SQRT"); 103 builtin_define ("__HAVE_HW_FPU_SQRT__"); 104 } 105} 106