1/* Definitions of target machine for GNU compiler, for HPs using the 2 64bit runtime model. 3 Copyright (C) 1999-2022 Free Software Foundation, Inc. 4 5This file is part of GCC. 6 7GCC is free software; you can redistribute it and/or modify 8it under the terms of the GNU General Public License as published by 9the Free Software Foundation; either version 3, or (at your option) 10any later version. 11 12GCC is distributed in the hope that it will be useful, 13but WITHOUT ANY WARRANTY; without even the implied warranty of 14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15GNU General Public License for more details. 16 17You should have received a copy of the GNU General Public License 18along with GCC; see the file COPYING3. If not see 19<http://www.gnu.org/licenses/>. */ 20 21/* The default sizes for basic datatypes provided by GCC are not 22 correct for the PA64 runtime architecture. 23 24 In PA64, basic types have the following sizes 25 26 char 1 byte 27 short 2 bytes 28 int 4 bytes 29 long 8 bytes 30 long long 8 bytes 31 pointer 8 bytes 32 float 4 bytes 33 double 8 bytes 34 long double 16 bytes 35 size_t 8 bytes 36 ptrdiff_t 8 bytes 37 wchar 4 bytes 38 39 Make GCC agree with types.h. */ 40#undef SIZE_TYPE 41#define SIZE_TYPE "long unsigned int" 42 43#undef PTRDIFF_TYPE 44#define PTRDIFF_TYPE "long int" 45 46#undef WCHAR_TYPE 47#define WCHAR_TYPE "unsigned int" 48 49#undef WCHAR_TYPE_SIZE 50#define WCHAR_TYPE_SIZE 32 51 52/* If it is not listed here, then the default selected by GCC is OK. */ 53#undef SHORT_TYPE_SIZE 54#define SHORT_TYPE_SIZE 16 55#undef INT_TYPE_SIZE 56#define INT_TYPE_SIZE 32 57#undef LONG_TYPE_SIZE 58#define LONG_TYPE_SIZE 64 59#undef LONG_LONG_TYPE_SIZE 60#define LONG_LONG_TYPE_SIZE 64 61#undef FLOAT_TYPE_SIZE 62#define FLOAT_TYPE_SIZE 32 63#undef DOUBLE_TYPE_SIZE 64#define DOUBLE_TYPE_SIZE 64 65#undef LONG_DOUBLE_TYPE_SIZE 66#define LONG_DOUBLE_TYPE_SIZE 128 67 68/* Temporary until we figure out what to do with those *(&@$ 32bit 69 relocs which appear in stabs. */ 70#undef DBX_DEBUGGING_INFO 71 72/* ?!? This needs to be made compile-time selectable. 73 74 The PA64 runtime model has arguments that grow to higher addresses 75 (like most other targets). The older runtime model has arguments 76 that grow to lower addresses. What fun. */ 77#undef ARGS_GROW_DOWNWARD 78 79/* If defined, a C expression which determines whether the default 80 implementation of va_arg will attempt to pad down before reading the 81 next argument, if that argument is smaller than its aligned space as 82 controlled by PARM_BOUNDARY. If this macro is not defined, all such 83 arguments are padded down when BYTES_BIG_ENDIAN is true. We don't 84 want aggregates padded down. */ 85 86#define PAD_VARARGS_DOWN \ 87 (!AGGREGATE_TYPE_P (type) \ 88 && TREE_CODE (type) != COMPLEX_TYPE \ 89 && TREE_CODE (type) != VECTOR_TYPE) 90 91/* In the PA architecture, it is not possible to directly move data 92 between GENERAL_REGS and FP_REGS. On the 32-bit port, we use the 93 location at SP-16 because PA 1.X only supports 5-bit immediates for 94 floating-point loads and stores. We don't expose this location in 95 the RTL to avoid scheduling related problems. For example, the 96 store and load could be separated by a call to a pure or const 97 function which has no frame and this function might also use SP-16. 98 We have 14-bit immediates on the 64-bit port, so we use secondary 99 memory for the copies. */ 100#define PA_SECONDARY_MEMORY_NEEDED(MODE, CLASS1, CLASS2) \ 101 (MAYBE_FP_REG_CLASS_P (CLASS1) != FP_REG_CLASS_P (CLASS2) \ 102 || MAYBE_FP_REG_CLASS_P (CLASS2) != FP_REG_CLASS_P (CLASS1)) 103 104