-/* Definitions for Intel 386 running system V with gnu tools
- Copyright (C) 1988, 1993 Free Software Foundation, Inc.
+/* Definitions for Intel 386 using GAS.
+ Copyright (C) 1988, 1993, 1994, 1996 Free Software Foundation, Inc.
This file is part of GNU CC.
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. */
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
/* Note that i386/seq-gas.h is a GAS configuration that does not use this
file. */
/* Specify predefined symbols in preprocessor. */
-#define CPP_PREDEFINES "-Dunix -Di386"
+#define CPP_PREDEFINES "-Dunix -Di386 -Asystem(unix) -Acpu(i386) -Amachine(i386)"
#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
/* Allow #sccs in preprocessor. */
#define TARGET_MEM_FUNCTIONS
-#if 0 /* People say gas uses the log as the arg to .align. */
-/* When using gas, .align N aligns to an N-byte boundary. */
+/* In the past there was confusion as to what the argument to .align was
+ in GAS. For the last several years the rule has been this: for a.out
+ file formats that argument is LOG, and for all other file formats the
+ argument is 1<<LOG.
+ However, GAS now has .p2align and .balign pseudo-ops so to remove any
+ doubt or guess work, and since this file is used for both a.out and other
+ file formats, we use one of them. */
+
+#if 0 /* ??? However, not every port uses binutils 2.6 yet. */
#undef ASM_OUTPUT_ALIGN
-#define ASM_OUTPUT_ALIGN(FILE,LOG) \
- if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1<<(LOG))
+#define ASM_OUTPUT_ALIGN(FILE,LOG) \
+ if ((LOG)!=0) fprintf ((FILE), "\t.balign %d\n", 1<<(LOG))
#endif
/* Align labels, etc. at 4-byte boundaries.
For the 486, align to 16-byte boundary for sake of cache. */
#undef ASM_OUTPUT_ALIGN_CODE
-#define ASM_OUTPUT_ALIGN_CODE(FILE) \
- fprintf ((FILE), "\t.align %d,0x90\n", \
- TARGET_486 ? 4 : 2); /* Use log of 16 or log of 4 as arg. */
+#define ASM_OUTPUT_ALIGN_CODE(FILE) \
+ fprintf ((FILE), "\t.align %d,0x90\n", i386_align_jumps)
/* Align start of loop at 4-byte boundary. */
#undef ASM_OUTPUT_LOOP_ALIGN
#define ASM_OUTPUT_LOOP_ALIGN(FILE) \
- fprintf ((FILE), "\t.align 2,0x90\n"); /* Use log of 4 as arg. */
-\f
-#undef ASM_FILE_START
-#define ASM_FILE_START(FILE) \
- do { fprintf (FILE, "\t.file\t"); \
- output_quoted_string (FILE, dump_base_name); \
- fprintf (FILE, "\n"); \
- } while (0)
+ fprintf ((FILE), "\t.align %d,0x90\n", i386_align_loops)
+\f
/* 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
GAS requires the %cl argument, so override i386/unix.h. */
-#undef AS3_SHIFT_DOUBLE
-#define AS3_SHIFT_DOUBLE(a,b,c,d) AS3 (a,b,c,d)
+#undef SHIFT_DOUBLE_OMITS_COUNT
+#define SHIFT_DOUBLE_OMITS_COUNT 0
/* Print opcodes the way that GAS expects them. */
#define GAS_MNEMONICS 1