1 /* libgcc routines for MSP430 2 Copyright (C) 2005-2020 Free Software Foundation, Inc. 3 Contributed by Red Hat. 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify it 8 under the terms of the GNU General Public License as published 9 by the Free Software Foundation; either version 3, or (at your 10 option) any later version. 11 12 GCC is distributed in the hope that it will be useful, but WITHOUT 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 15 License for more details. 16 17 Under Section 7 of GPL version 3, you are granted additional 18 permissions described in the GCC Runtime Library Exception, version 19 3.1, as published by the Free Software Foundation. 20 21 You should have received a copy of the GNU General Public License and 22 a copy of the GCC Runtime Library Exception along with this program; 23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 24 <http://www.gnu.org/licenses/>. */ 25 26 typedef unsigned int uint32_type __attribute__ ((mode (SI))); 27 typedef unsigned int uint16_type __attribute__ ((mode (HI))); 28 typedef unsigned int uint08_type __attribute__ ((mode (QI))); 29 30 #define C3B(a,b,c) a##b##c 31 #define C3(a,b,c) C3B(a,b,c) 32 33 #if defined MUL_NONE 34 35 /* The software multiply library needs __mspabi_mpyll. */ 36 37 #undef UINT_TYPE 38 #undef BITS_MINUS_1 39 #undef NAME_MODE 40 41 #define UINT_TYPE uint32_type 42 #define BITS_MINUS_1 31 43 #define NAME_MODE si 44 45 #include "msp430-mul.h" 46 47 #elif defined MUL_16 48 49 /* The 16-bit multiply library needs a software version of SI->DI widening 50 multiplication. */ 51 52 signed long long 53 __mspabi_mpysll (signed long a, signed long b) 54 { 55 return (signed long long) a * (signed long long) b; 56 } 57 58 unsigned long long 59 __mspabi_mpyull (unsigned long a, unsigned long b) 60 { 61 return (unsigned long long) a * (unsigned long long) b; 62 } 63 64 #else 65 66 #undef UINT_TYPE 67 #undef BITS_MINUS_1 68 #undef NAME_MODE 69 70 #define UINT_TYPE uint08_type 71 #define BITS_MINUS_1 7 72 #define NAME_MODE qi 73 74 #include "msp430-mul.h" 75 76 #endif /* MUL_NONE */ 77