+++ /dev/null
-/* Target definitions for GNU compiler for Intel x86 CPU running NeXTSTEP
- Copyright (C) 1993, 1995, 1996, 1999 Free Software Foundation, Inc.
-
-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, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
-
-#include "i386/gas.h"
-#include "nextstep.h"
-
-/* By default, target has a 80387, with IEEE FP. */
-
-#undef TARGET_SUBTARGET_DEFAULT
-#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP)
-
-/* Implicit library calls should use memcpy, not bcopy, etc. */
-
-#define TARGET_MEM_FUNCTIONS
-
-/* Machines that use the AT&T assembler syntax
- also return floating point values in an FP register.
- Define how to find the value returned by a function.
- VALTYPE is the data type of the value (as a tree).
- If the precise function being called is known, FUNC is its FUNCTION_DECL;
- otherwise, FUNC is 0. */
-
-#undef VALUE_REGNO
-#define VALUE_REGNO(MODE) \
- ((MODE) == SFmode || (MODE) == DFmode || (MODE) == XFmode \
- ? FIRST_FLOAT_REG : 0)
-
-/* A C statement or statements which output an assembler instruction
- opcode to the stdio stream STREAM. The macro-operand PTR is a
- variable of type `char *' which points to the opcode name in its
- "internal" form--the form that is written in the machine description.
-
- GAS version 1.38.1 doesn't understand the `repz' opcode mnemonic.
- So use `repe' instead. */
-
-#undef ASM_OUTPUT_OPCODE
-#define ASM_OUTPUT_OPCODE(STREAM, PTR) \
-{ \
- if ((PTR)[0] == 'r' \
- && (PTR)[1] == 'e' \
- && (PTR)[2] == 'p') \
- { \
- if ((PTR)[3] == 'z') \
- { \
- fprintf (STREAM, "repe"); \
- (PTR) += 4; \
- } \
- else if ((PTR)[3] == 'n' && (PTR)[4] == 'z') \
- { \
- fprintf (STREAM, "repne"); \
- (PTR) += 5; \
- } \
- } \
-}
-
-/* Define macro used to output shift-double opcodes when the shift
- count is in %cl. Some assemblers require %cl as an argument;
- some don't.
-
- GAS requires the %cl argument, so override unx386.h. */
-
-#undef SHIFT_DOUBLE_OMITS_COUNT
-#define SHIFT_DOUBLE_OMITS_COUNT 0
-
-/* Print opcodes the way that GAS expects them. */
-#define GAS_MNEMONICS 1
-
-/* Names to predefine in the preprocessor for this target machine. */
-
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-DNeXT -Dunix -D__MACH__ -D__LITTLE_ENDIAN__ \
- -D__ARCHITECTURE__=\"i386\" -Asystem=unix -Asystem=mach"
-
-/* This accounts for the return pc and saved fp on the i386. */
-
-#define OBJC_FORWARDING_STACK_OFFSET 8
-#define OBJC_FORWARDING_MIN_OFFSET 8
-
-/* We do not want a dot in internal labels. */
-
-#undef LPREFIX
-#define LPREFIX "L"
-
-#undef ASM_GENERATE_INTERNAL_LABEL
-#define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \
- sprintf ((BUF), "*%s%ld", (PREFIX), (long)(NUMBER))
-
-#undef ASM_OUTPUT_INTERNAL_LABEL
-#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
- fprintf (FILE, "%s%d:\n", PREFIX, NUM)
-
-/* Output to assembler file text saying following lines
- may contain character constants, extra white space, comments, etc. */
-
-#undef ASM_APP_ON
-#define ASM_APP_ON "#APP\n"
-
-/* Output to assembler file text saying following lines
- no longer contain unusual constructs. */
-
-#undef ASM_APP_OFF
-#define ASM_APP_OFF "#NO_APP\n"
-
-#undef ASM_OUTPUT_REG_PUSH
-#define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \
- fprintf (FILE, "\tpushl %se%s\n", "%", reg_names[REGNO])
-
-#undef ASM_OUTPUT_REG_POP
-#define ASM_OUTPUT_REG_POP(FILE,REGNO) \
- fprintf (FILE, "\tpopl %se%s\n", "%", reg_names[REGNO])
-
-/* This is being overridden because the default i386 configuration
- generates calls to "_mcount". NeXT system libraries all use
- "mcount". */
-
-#undef FUNCTION_PROFILER
-#define FUNCTION_PROFILER(FILE, LABELNO) \
-{ \
- if (flag_pic) \
- { \
- fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%edx\n", \
- LPREFIX, (LABELNO)); \
- fprintf (FILE, "\tcall *mcount@GOT(%%ebx)\n"); \
- } \
- else \
- { \
- fprintf (FILE, "\tmovl $%sP%d,%%edx\n", LPREFIX, (LABELNO)); \
- fprintf (FILE, "\tcall mcount\n"); \
- } \
-}
-
-/* BEGIN Calling Convention CHANGES */
-
-/* These changes violate the Intel/Unix ABI. Specifically, they
- change the way that space for a block return value is passed to a
- function. The ABI says that the pointer is passed on the stack.
- We change to pass the pointer in %ebx. This makes the NeXT
- Objective-C forwarding mechanism possible to implement on an i386. */
-
-/* Do NOT pass address of structure values on the stack. */
-
-#undef STRUCT_VALUE_INCOMING
-#undef STRUCT_VALUE
-
-/* Pass them in %ebx. */
-
-#undef STRUCT_VALUE_REGNUM
-#define STRUCT_VALUE_REGNUM 3
-
-/* Because we are passing the pointer in a register, we don't need to
- rely on the callee to pop it. */
-
-#undef RETURN_POPS_ARGS
-#define RETURN_POPS_ARGS(FUNDECL,FUNTYPE,SIZE) \
- ((FUNDECL) && TREE_CODE (FUNDECL) == IDENTIFIER_NODE \
- ? 0 \
- : (TARGET_RTD \
- && (TYPE_ARG_TYPES (FUNTYPE) == 0 \
- || (TREE_VALUE (tree_last (TYPE_ARG_TYPES (FUNTYPE))) \
- == void_type_node))) ? (SIZE) : 0)
-
-/* END Calling Convention CHANGES */
-
-/* NeXT still uses old binutils that don't insert nops by default
- when the .align directive demands to insert extra space in the text
- segment. */
-#undef ASM_OUTPUT_ALIGN
-#define ASM_OUTPUT_ALIGN(FILE,LOG) \
- if ((LOG)!=0) fprintf ((FILE), "\t.align %d,0x90\n", (LOG))
projects / msp430-gcc.git / blobdiff