/* Definitions for Unix assembler syntax for the Intel 80386.
- Copyright (C) 1988, 1994 Free Software Foundation, Inc.
+ Copyright (C) 1988, 1994, 1999, 2000, 2001, 2002 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)
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
+along with GCC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
that are the same for all the i386 Unix systems
(though they may differ in non-Unix systems). */
-/* Define some concatenation macros to concatenate an opcode
- and one, two or three operands. In other assembler syntaxes
- they may alter the order of ther operands. */
-
-/* Note that the other files fail to use these
- in some of the places where they should. */
-
-#if defined(__STDC__) || defined(ALMOST_STDC)
-#define AS2(a,b,c) #a " " #b "," #c
-#define AS2C(b,c) " " #b "," #c
-#define AS3(a,b,c,d) #a " " #b "," #c "," #d
-#define AS1(a,b) #a " " #b
-#else
-#define AS1(a,b) "a b"
-#define AS2(a,b,c) "a b,c"
-#define AS2C(b,c) " b,c"
-#define AS3(a,b,c,d) "a b,c,d"
-#endif
-
/* 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. This macro controls what to do: by default, don't
print %cl. */
#define SHIFT_DOUBLE_OMITS_COUNT 1
-#define AS3_SHIFT_DOUBLE(a,b,c,d) \
- (SHIFT_DOUBLE_OMITS_COUNT ? AS2 (a,c,d) : AS3 (a,b,c,d))
-
-/* Output the size-letter for an opcode.
- CODE is the letter used in an operand spec (L, B, W, S or Q).
- CH is the corresponding lower case letter
- (except if CODE is `Q' then CH is `l', unless GAS_MNEMONICS). */
-#define PUT_OP_SIZE(CODE,CH,FILE) putc (CH,(FILE))
-
-/* Opcode suffix for fullword insn. */
-#define L_SIZE "l"
-
-/* Prefix for register names in this syntax. */
-#define RP "%"
-
-/* Prefix for immediate operands in this syntax. */
-#define IP "$"
-
-/* Indirect call instructions should use `*'. */
-#define USE_STAR 1
-
-/* Prefix for a memory-operand X. */
-#define PRINT_PTR(X, FILE)
-
-/* Delimiters that surround base reg and index reg. */
-#define ADDR_BEG(FILE) putc('(', (FILE))
-#define ADDR_END(FILE) putc(')', (FILE))
-
-/* Print an index register (whose rtx is IREG). */
-#define PRINT_IREG(FILE,IREG) \
- do \
- { fputs (",", (FILE)); PRINT_REG ((IREG), 0, (FILE)); } \
- while (0)
-
-/* Print an index scale factor SCALE. */
-#define PRINT_SCALE(FILE,SCALE) \
- if ((SCALE) != 1) fprintf ((FILE), ",%d", (SCALE))
-
-/* Print a base/index combination.
- BREG is the base reg rtx, IREG is the index reg rtx,
- and SCALE is the index scale factor (an integer). */
-
-#define PRINT_B_I_S(BREG,IREG,SCALE,FILE) \
- { ADDR_BEG (FILE); \
- if (BREG) PRINT_REG ((BREG), 0, (FILE)); \
- if ((IREG) != 0) \
- { PRINT_IREG ((FILE), (IREG)); \
- PRINT_SCALE ((FILE), (SCALE)); } \
- ADDR_END (FILE); }
\f
/* Define the syntax of pseudo-ops, labels and comments. */
/* Output before read-only data. */
-#define TEXT_SECTION_ASM_OP ".text"
+#define TEXT_SECTION_ASM_OP "\t.text"
/* Output before writable (initialized) data. */
-#define DATA_SECTION_ASM_OP ".data"
+#define DATA_SECTION_ASM_OP "\t.data"
/* Output before writable (uninitialized) data. */
-#define BSS_SECTION_ASM_OP ".bss"
-
-/* This is how to output a command to make the user-level label named NAME
- defined for reference from other files. */
+#define BSS_SECTION_ASM_OP "\t.bss"
-#define ASM_GLOBALIZE_LABEL(FILE,NAME) \
- (fputs (".globl ", FILE), assemble_name (FILE, NAME), fputs ("\n", FILE))
+/* Globalizing directive for a label. */
+#define GLOBAL_ASM_OP ".globl "
/* By default, target has a 80387, uses IEEE compatible arithmetic,
and returns float values in the 387. */
-#define TARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS)
-
-/* Floating-point return values come in the FP register. */
-
-#define VALUE_REGNO(MODE) \
- (GET_MODE_CLASS (MODE) == MODE_FLOAT \
- && TARGET_FLOAT_RETURNS_IN_80387 ? FIRST_FLOAT_REG : 0)
-
-/* 1 if N is a possible register number for a function value. */
-
-#define FUNCTION_VALUE_REGNO_P(N) \
- ((N) == 0 || ((N)== FIRST_FLOAT_REG && TARGET_FLOAT_RETURNS_IN_80387))
-
-/* Output code to add DELTA to the first argument, and then jump to FUNCTION.
- Used for C++ multiple inheritance. */
-#define ASM_OUTPUT_MI_THUNK(FILE, THUNK_FNDECL, DELTA, FUNCTION) \
-do { \
- tree parm; \
- \
- if (i386_regparm > 0) \
- parm = TYPE_ARG_TYPES (TREE_TYPE (function)); \
- else \
- parm = NULL_TREE; \
- for (; parm; parm = TREE_CHAIN (parm)) \
- if (TREE_VALUE (parm) == void_type_node) \
- break; \
- fprintf (FILE, "\taddl $%d,%s\n", DELTA, \
- parm ? "%eax" \
- : aggregate_value_p (TREE_TYPE (TREE_TYPE (FUNCTION))) ? "8(%esp)" \
- : "4(%esp)"); \
- \
- if (flag_pic) \
- { \
- rtx xops[2]; \
- xops[0] = pic_offset_table_rtx; \
- xops[1] = (rtx) gen_label_rtx (); \
- \
- if (i386_regparm > 2) \
- abort (); \
- output_asm_insn ("push%L0 %0", xops); \
- output_asm_insn (AS1 (call,%P1), xops); \
- ASM_OUTPUT_INTERNAL_LABEL (FILE, "L", CODE_LABEL_NUMBER (xops[1])); \
- output_asm_insn (AS1 (pop%L0,%0), xops); \
- output_asm_insn ("addl $_GLOBAL_OFFSET_TABLE_+[.-%P1],%0", xops); \
- fprintf (FILE, "\tmovl "); \
- assemble_name (FILE, XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0)); \
- fprintf (FILE, "@GOT(%%ebx),%%ecx\n\tpopl %%ebx\n\tjmp *%%ecx\n"); \
- } \
- else \
- { \
- fprintf (FILE, "\tjmp "); \
- assemble_name (FILE, XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0)); \
- fprintf (FILE, "\n"); \
- } \
-} while (0)
+#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS)
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