+/* Definitions for BSD assembler syntax for Intel 386
+ (actually AT&T syntax for insns and operands,
+ adapted to BSD conventions for symbol names and debugging.)
+ Copyright (C) 1988 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 1, 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. */
+
+/* Use the Sequent Symmetry assembler syntax. */
+
+#define TARGET_VERSION fprintf (stderr, " (80386, BSD syntax)");
+
+/* 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. */
+
+#ifdef __STDC__
+#define AS2(a,b,c) #a " " #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 AS3(a,b,c,d) "a b,c,d"
+#endif
+
+/* 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 L then CH is `l'). */
+#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 "$"
+
+/* Prefix for internally generated assembler labels. */
+#define LPREFIX "L"
+
+/* Output the prefix for an immediate operand, or for an offset operand. */
+#define PRINT_IMMED_PREFIX(FILE) fputs ("$", (FILE))
+#define PRINT_OFFSET_PREFIX(FILE) fputs ("$", (FILE))
+
+/* 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. */
+
+/* Assembler pseudos to introduce constants of various size. */
+
+#define ASM_BYTE "\t.byte "
+#define ASM_SHORT "\t.word "
+#define ASM_LONG "\t.long "
+#define ASM_DOUBLE "\t.double "
+
+/* String containing the assembler's comment-starter. */
+
+#define COMMENT_BEGIN "/"
+
+/* Output at beginning of assembler file.
+ ??? I am skeptical of this -- RMS. */
+
+#define ASM_FILE_START(FILE) \
+ fprintf (FILE, "\t.file\t\"%s\"\n", dump_base_name);
+
+/* This was suggested, but it shouldn't be right for DBX output. -- RMS
+ #define ASM_OUTPUT_SOURCE_FILENAME(FILE, NAME) */
+
+/* Output to assembler file text saying following lines
+ may contain character constants, extra white space, comments, etc. */
+
+#define ASM_APP_ON "/APP\n"
+
+/* Output to assembler file text saying following lines
+ no longer contain unusual constructs. */
+
+#define ASM_APP_OFF "/NO_APP\n"
+\f
+/* Define the syntax of labels and symbol definitions/declarations. */
+
+/* This is how to output an assembler line
+ that says to advance the location counter by SIZE bytes. */
+
+#define ASM_OUTPUT_SKIP(FILE,SIZE) \
+ fprintf (FILE, "\t.space %u\n", (SIZE))
+
+/* Output before read-only data. */
+
+#define TEXT_SECTION_ASM_OP ".text"
+
+/* Output before writable data. */
+
+#define DATA_SECTION_ASM_OP ".data"
+\f
+/* Define the syntax of labels and symbol definitions/declarations. */
+
+/* This says how to output an assembler line
+ to define a global common symbol. */
+
+#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
+( fputs (".comm ", (FILE)), \
+ assemble_name ((FILE), (NAME)), \
+ fprintf ((FILE), ",%u\n", (SIZE)))
+
+/* This says how to output an assembler line
+ to define a local common symbol. */
+
+#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
+( fputs (".lcomm ", (FILE)), \
+ assemble_name ((FILE), (NAME)), \
+ fprintf ((FILE), ",%u\n", (SIZE)))
+
+/* This is how to output an assembler line
+ that says to advance the location counter
+ to a multiple of 2**LOG bytes. */
+
+#define ASM_OUTPUT_ALIGN(FILE,LOG) \
+ if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", (LOG))
+
+/* This is how to store into the string BUF
+ the symbol_ref name of an internal numbered label where
+ PREFIX is the class of label and NUM is the number within the class.
+ This is suitable for output with `assemble_name'. */
+
+#define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \
+ sprintf ((BUF), "*%s%d", (PREFIX), (NUMBER))
+
+/* This is how to output an internal numbered label where
+ PREFIX is the class of label and NUM is the number within the class. */
+
+#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
+ fprintf (FILE, "%s%d:\n", PREFIX, NUM)
+
+/* This is how to output a reference to a user-level label named NAME. */
+
+#define ASM_OUTPUT_LABELREF(FILE,NAME) \
+ fprintf (FILE, "_%s", NAME)
+
+/* Sequent has some changes in the format of DBX symbols. */
+#define DBX_NO_XREFS 1
+
+/* Don't split DBX symbols into continuations. */
+#define DBX_CONTIN_LENGTH 0
+
+/* This is how to output a command to make the user-level label named NAME
+ defined for reference from other files. */
+
+#define ASM_GLOBALIZE_LABEL(FILE,NAME) \
+ (fputs (".globl ", FILE), assemble_name (FILE, NAME), fputs ("\n", FILE))
+
+/* This is how to output an assembler line defining a `double' constant. */
+
+#undef ASM_OUTPUT_DOUBLE
+#define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
+ fprintf (FILE, "\t.double 0d%.20e\n", (VALUE))
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