X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=gcc%2Fconfig%2Fpa%2Fpa-64.h;fp=gcc%2Fconfig%2Fpa%2Fpa-64.h;h=67c8179c573fb44a7058b024ece9a565f304c216;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=416e079511a1adf3ff0c9b45d4effd33ad92bd52;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/gcc/config/pa/pa-64.h b/gcc/config/pa/pa-64.h index 416e0795..67c8179c 100644 --- a/gcc/config/pa/pa-64.h +++ b/gcc/config/pa/pa-64.h @@ -1,23 +1,22 @@ /* Definitions of target machine for GNU compiler, for HPs using the 64bit runtime model. - Copyright (C) 1999, 2000 Free Software Foundation, Inc. + Copyright (C) 1999, 2000, 2003, 2004, 2007 Free Software Foundation, Inc. -This file is part of GNU CC. +This file is part of GCC. -GNU CC is free software; you can redistribute it and/or modify +GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) +the Free Software Foundation; either version 3, or (at your option) any later version. -GNU CC is distributed in the hope that it will be useful, +GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License -along with GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ +along with GCC; see the file COPYING3. If not see +. */ /* The default sizes for basic datatypes provided by GCC are not correct for the PA64 runtime architecture. @@ -55,8 +54,6 @@ Boston, MA 02111-1307, USA. */ #define SHORT_TYPE_SIZE 16 #undef INT_TYPE_SIZE #define INT_TYPE_SIZE 32 -#undef MAX_LONG_TYPE_SIZE -#define MAX_LONG_TYPE_SIZE 64 #undef LONG_TYPE_SIZE #define LONG_TYPE_SIZE 64 #undef LONG_LONG_TYPE_SIZE @@ -65,34 +62,39 @@ Boston, MA 02111-1307, USA. */ #define FLOAT_TYPE_SIZE 32 #undef DOUBLE_TYPE_SIZE #define DOUBLE_TYPE_SIZE 64 -/* This should be 128, but until we work out the ABI for the 128bit - FP codes supplied by HP we'll keep it at 64 bits. */ #undef LONG_DOUBLE_TYPE_SIZE -#define LONG_DOUBLE_TYPE_SIZE 64 -#define MAX_WCHAR_TYPE_SIZE 32 +#define LONG_DOUBLE_TYPE_SIZE 128 /* Temporary until we figure out what to do with those *(&@$ 32bit relocs which appear in stabs. */ #undef DBX_DEBUGGING_INFO -/* We want the compiler to select a suitable secondary memory location. - ?!? This may not work reliably. Keep an eye out for problems. */ -#undef SECONDARY_MEMORY_NEEDED_RTX - - /* ?!? This needs to be made compile-time selectable. The PA64 runtime model has arguments that grow to higher addresses (like most other targets). The older runtime model has arguments that grow to lower addresses. What fun. */ #undef ARGS_GROW_DOWNWARD -#undef ARG_POINTER_REGNUM -#define ARG_POINTER_REGNUM 29 -#undef STATIC_CHAIN_REGNUM -#define STATIC_CHAIN_REGNUM 31 - -/* Nonzero if we do not know how to pass TYPE solely in registers. */ -#define MUST_PASS_IN_STACK(MODE,TYPE) \ - ((TYPE) != 0 \ - && (TREE_CODE (TYPE_SIZE (TYPE)) != INTEGER_CST \ - || TREE_ADDRESSABLE (TYPE))) + +/* If defined, a C expression which determines whether the default + implementation of va_arg will attempt to pad down before reading the + next argument, if that argument is smaller than its aligned space as + controlled by PARM_BOUNDARY. If this macro is not defined, all such + arguments are padded down when BYTES_BIG_ENDIAN is true. We don't + want aggregates padded down. */ + +#define PAD_VARARGS_DOWN (!AGGREGATE_TYPE_P (type)) + +/* In the PA architecture, it is not possible to directly move data + between GENERAL_REGS and FP_REGS. On the 32-bit port, we use the + location at SP-16 because PA 1.X only supports 5-bit immediates for + floating-point loads and stores. We don't expose this location in + the RTL to avoid scheduling related problems. For example, the + store and load could be separated by a call to a pure or const + function which has no frame and this function might also use SP-16. + We have 14-bit immediates on the 64-bit port, so we use secondary + memory for the copies. */ +#define SECONDARY_MEMORY_NEEDED(CLASS1, CLASS2, MODE) \ + (MAYBE_FP_REG_CLASS_P (CLASS1) != FP_REG_CLASS_P (CLASS2) \ + || MAYBE_FP_REG_CLASS_P (CLASS2) != FP_REG_CLASS_P (CLASS1)) +