--- /dev/null
+/* Target definitions for GNU compiler for Intel 80860 running OSF/1AD
+ Copyright (C) 1991 Free Software Foundation, Inc.
+
+ Based upon original work of Ron Guilmette (rfg@ncd.com).
+ Whacked into submission by Andy Pfiffer (andyp@ssd.intel.com).
+ Additional support from:
+ Pete Beckman @ Indiana University (beckman@cs.indiana.edu)
+ Harry Dolan of Intel Corporation (dolan@ssd.intel.com)
+
+This file is part of GNU CC.
+
+GNU CC 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)
+any later version.
+
+GNU CC 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "i860/i860.h"
+#include "svr3.h"
+
+/* For the sake of libgcc2.c, indicate target supports atexit. */
+#define HAVE_ATEXIT
+
+#undef TARGET_SWITCHES
+#define TARGET_SWITCHES \
+ { {"xp", 1}, \
+ {"noxp", -1}, \
+ {"xr", -1}, \
+ {"noieee", -1}, \
+ {"nx", 2}, \
+ { "", TARGET_DEFAULT}}
+
+#undef TARGET_DEFAULT
+#define TARGET_DEFAULT 1
+
+/* The Intel as860 assembler does not understand .stabs, must use COFF */
+#define PREFERRED_DEBUGGING_TYPE SDB_DEBUG
+
+#undef TARGET_VERSION
+#define TARGET_VERSION fprintf (stderr, " (i860 OSF/1AD)");
+
+#undef CPP_PREDEFINES
+#define CPP_PREDEFINES "-Di860 -D__i860 -D__i860__ -D__PARAGON__ -D__OSF1__ -D_COFF -Dunix -DMACH -DCMU"
+
+#define CPP_SPEC "%{mnx:-D__NODE}"
+
+/* autoinit.o autolaunches NX applications */
+#define STARTFILE_SPEC "-ycrt0.o%s %{mnx:-yoptions/autoinit.o%s}"
+
+/* libic.a is the PGI intrisic library */
+/* libpm.o and guard.o are for the performance monitoring modules (ignored) */
+/* /usr/lib/noieee contains non-IEEE compliant (but faster) math routines */
+#if HAVE_DASH_G
+#define LIB_SPEC "%{mnoieee:-L/usr/lib/noieee} -L/usr/lib %{mnx:-lnx -lmach} %
+{g*:-lg} -lc -lic"
+#else /* HAVE_DASH_G */
+/* can't use -g for -lg; libg.a doesn't have a symbol table and ld complains */
+#define LIB_SPEC "%{mnoieee:-L/usr/lib/noieee} -L/usr/lib %{mnx:-lnx -lmach} -lc -lic"
+#endif /* HAVE_DASH_G */
+
+
+#undef I860_REG_PREFIX
+
+#undef ASM_COMMENT_START
+#define ASM_COMMENT_START "//"
+
+#undef TYPE_OPERAND_FMT
+#define TYPE_OPERAND_FMT "\"%s\""
+
+#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
+
+#undef ASCII_DATA_ASM_OP
+#define ASCII_DATA_ASM_OP ".byte"
+
+/*
+ * the assembler we're using doesn't grok .ident...
+ */
+#undef ASM_OUTPUT_IDENT
+#define ASM_OUTPUT_IDENT(FILE, NAME) \
+ fprintf (FILE, "//\t.ident \"%s\"\n", NAME);
+
+/*
+ * the assembler doesn't grok .double INF and the like
+ * but does understand .long with hex numbers, so special
+ * case the "symbolic" IEEE numbers.
+ */
+#undef ASM_OUTPUT_DOUBLE
+#define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
+ { \
+ if (REAL_VALUE_ISINF (VALUE) \
+ || REAL_VALUE_ISNAN (VALUE) \
+ || REAL_VALUE_MINUS_ZERO (VALUE)) \
+ { \
+ long t[2]; \
+ REAL_VALUE_TO_TARGET_DOUBLE ((VALUE), t); \
+ fprintf (FILE, "\t.long 0x%lx\n\t.long 0x%lx\n", t[0], t[1]); \
+ } \
+ else \
+ fprintf (FILE, "\t.double %.20e\n", VALUE); \
+ }
+
+#undef ASM_OUTPUT_FLOAT
+#define ASM_OUTPUT_FLOAT(FILE,VALUE) \
+ { \
+ if (REAL_VALUE_ISINF (VALUE) \
+ || REAL_VALUE_ISNAN (VALUE) \
+ || REAL_VALUE_MINUS_ZERO (VALUE)) \
+ { \
+ long t; \
+ REAL_VALUE_TO_TARGET_SINGLE ((VALUE), t); \
+ fprintf (FILE, "\t.long 0x%lx\n", t); \
+ } \
+ else \
+ fprintf (FILE, "\t.float %.12e\n", VALUE); \
+ }
+
+#undef ASM_OUTPUT_ASCII
+#define ASM_OUTPUT_ASCII(FILE, STR, LENGTH) \
+ do \
+ { \
+ register unsigned char *str = (unsigned char *) (STR); \
+ register unsigned char *limit = str + (LENGTH); \
+ register unsigned bytes_in_chunk = 0; \
+ for (; str < limit; str++) \
+ { \
+ register unsigned ch = *str; \
+ if (ch < 32 || ch == '\\' || ch == '"' || ch >= 127) \
+ { \
+ if (bytes_in_chunk > 0) \
+ { \
+ fprintf ((FILE), "\"\n"); \
+ bytes_in_chunk = 0; \
+ } \
+ fprintf ((FILE), "\t%s\t%d\n", ASM_BYTE_OP, ch); \
+ } \
+ else \
+ { \
+ if (bytes_in_chunk >= 60) \
+ { \
+ fprintf ((FILE), "\"\n"); \
+ bytes_in_chunk = 0; \
+ } \
+ if (bytes_in_chunk == 0) \
+ fprintf ((FILE), "\t%s\t\"", ASCII_DATA_ASM_OP);\
+ putc (ch, (FILE)); \
+ bytes_in_chunk++; \
+ } \
+ } \
+ if (bytes_in_chunk > 0) \
+ fprintf ((FILE), "\"\n"); \
+ } \
+ while (0)
+
+
+/* This says how to output an assembler line
+ to define a local common symbol. */
+
+#undef ASM_OUTPUT_LOCAL
+#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
+( fputs (".lcomm ", (FILE)), \
+ assemble_name ((FILE), (NAME)), \
+ fprintf ((FILE), ",%u\n", (ROUNDED)))
+
+/*
+ * not defining ASM_STABS_OP yields .stabs in the .s file
+ * when using g++ -- so, I'll define it.
+ */
+#define ASM_STABS_OP "//.stabs"
+
+/* Define this macro if an argument declared as `char' or `short' in a
+ prototype should actually be passed as an `int'. In addition to
+ avoiding errors in certain cases of mismatch, it also makes for
+ better code on certain machines. */
+/*#define PROMOTE_PROTOTYPES*/
+
+/* Define this macro if an instruction to load a value narrower
+ than a word from memory into a register also zero-extends the
+ value to the whole register. */
+/*#define BYTE_LOADS_ZERO_EXTEND*/
+
+/* Define this macro as a C expression which is nonzero if
+ accessing less than a word of memory (i.e. a `char' or a
+ `short') is no faster than accessing a word of memory, i.e., if
+ such access require more than one instruction or if there is no
+ difference in cost between byte and (aligned) word loads.
+
+ On RISC machines, it tends to generate better code to define
+ this as 1, since it avoids making a QI or HI mode register. */
+/*
+#undef SLOW_BYTE_ACCESS
+#define SLOW_BYTE_ACCESS 1
+*/
+
+/* Define if shifts truncate the shift count
+ which implies one can omit a sign-extension or zero-extension
+ of a shift count. */
+#define SHIFT_COUNT_TRUNCATED 1
+
+
+#define FASTEST_ALIGNMENT 32
+
+/* Make strings word-aligned so strcpy from constants will be faster. */
+#define CONSTANT_ALIGNMENT(EXP, ALIGN) \
+ (TREE_CODE (EXP) == STRING_CST \
+ && (ALIGN) < FASTEST_ALIGNMENT ? FASTEST_ALIGNMENT : (ALIGN))
+
+/* Make arrays of chars word-aligned for the same reasons. */
+#define DATA_ALIGNMENT(TYPE, ALIGN) \
+ (TREE_CODE (TYPE) == ARRAY_TYPE \
+ && TYPE_MODE (TREE_TYPE (TYPE)) == QImode \
+ && (ALIGN) < FASTEST_ALIGNMENT ? FASTEST_ALIGNMENT : (ALIGN))
+
+/*
+ * disable a few things picked up from svr3.h
+ */
+#undef INIT_SECTION_ASM_OP
+#undef FINI_SECTION_ASM_OP
+#undef CONST_SECTION_ASM_OP
+#undef CTORS_SECTION_ASM_OP
+#undef DTORS_SECTION_ASM_OP
+#undef DO_GLOBAL_CTORS_BODY
+#undef ASM_OUTPUT_DESTRUCTOR
+#undef SELECT_SECTION
+#undef SELECT_RTX_SECTION
+#undef READONLY_DATA_SECTION
+
+#define BSS_SECTION_ASM_OP ".bss" /* XXX */
+#undef EXTRA_SECTIONS
+#define EXTRA_SECTIONS in_bss
+#undef EXTRA_SECTION_FUNCTIONS
+#define EXTRA_SECTION_FUNCTIONS \
+ BSS_SECTION_FUNCTION
projects / platform / upstream / linaro-gcc.git / commitdiff