2005-12-13 Petr Machata <machata@post.cz>

[pf3gnuchains/gcc-fork.git] / gcc / defaults.h

diff --git a/gcc/defaults.h b/gcc/defaults.h
index 7c88129..38dab33 100644 (file)
--- a/gcc/defaults.h
+++ b/gcc/defaults.h
@@ -18,8 +18,8 @@ for more details.
 
 You should have received a copy of the GNU General Public License
 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.  */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA.  */
 
 #ifndef GCC_DEFAULTS_H
 #define GCC_DEFAULTS_H
@@ -36,19 +36,6 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
                  obstack_chunk_alloc,                  \
                  obstack_chunk_free)
 
-/* Define default standard character escape sequences.  */
-#ifndef TARGET_BELL
-#  define TARGET_BELL 007
-#  define TARGET_BS 010
-#  define TARGET_CR 015
-#  define TARGET_DIGIT0 060
-#  define TARGET_ESC 033
-#  define TARGET_FF 014
-#  define TARGET_NEWLINE 012
-#  define TARGET_TAB 011
-#  define TARGET_VT 013
-#endif
-
 /* Store in OUTPUT a string (made with alloca) containing an
    assembler-name for a local static variable or function named NAME.
    LABELNO is an integer which is different for each call.  */
@@ -74,17 +61,6 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
   } while (0)
 #endif
 
-/* This is how to output an element of a case-vector that is absolute.
-   Some targets don't use this, but we have to define it anyway.  */
-
-#ifndef ASM_OUTPUT_ADDR_VEC_ELT
-#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE)  \
-do { fputs (integer_asm_op (POINTER_SIZE / BITS_PER_UNIT, TRUE), FILE); \
-     (*targetm.asm_out.internal_label) (FILE, "L", (VALUE));                   \
-     fputc ('\n', FILE);                                               \
-   } while (0)
-#endif
-
 /* Choose a reasonable default for ASM_OUTPUT_ASCII.  */
 
 #ifndef ASM_OUTPUT_ASCII
@@ -190,6 +166,27 @@ do { fputs (integer_asm_op (POINTER_SIZE / BITS_PER_UNIT, TRUE), FILE); \
 #endif
 #endif
 
+/* This is how we tell the assembler that a symbol is a weak alias to
+   another symbol that doesn't require the other symbol to be defined.
+   Uses of the former will turn into weak uses of the latter, i.e.,
+   uses that, in case the latter is undefined, will not cause errors,
+   and will add it to the symbol table as weak undefined.  However, if
+   the latter is referenced directly, a strong reference prevails.  */
+#ifndef ASM_OUTPUT_WEAKREF
+#if defined HAVE_GAS_WEAKREF
+#define ASM_OUTPUT_WEAKREF(FILE, DECL, NAME, VALUE)                    \
+  do                                                                   \
+    {                                                                  \
+      fprintf ((FILE), "\t.weakref\t");                                        \
+      assemble_name ((FILE), (NAME));                                  \
+      fprintf ((FILE), ",");                                           \
+      assemble_name ((FILE), (VALUE));                                 \
+      fprintf ((FILE), "\n");                                          \
+    }                                                                  \
+  while (0)
+#endif
+#endif
+
 /* How to emit a .type directive.  */
 #ifndef ASM_OUTPUT_TYPE_DIRECTIVE
 #if defined TYPE_ASM_OP && defined TYPE_OPERAND_FMT
@@ -715,8 +712,10 @@ do { fputs (integer_asm_op (POINTER_SIZE / BITS_PER_UNIT, TRUE), FILE); \
 #define HAS_LONG_UNCOND_BRANCH 0
 #endif
 
+/* By default, only attempt to parallelize bitwise operations, and
+   possibly adds/subtracts using bit-twiddling.  */
 #ifndef UNITS_PER_SIMD_WORD
-#define UNITS_PER_SIMD_WORD 0
+#define UNITS_PER_SIMD_WORD UNITS_PER_WORD
 #endif
 
 /* Determine whether __cxa_atexit, rather than atexit, is used to
@@ -768,7 +767,7 @@ do { fputs (integer_asm_op (POINTER_SIZE / BITS_PER_UNIT, TRUE), FILE); \
 #define REGISTER_MOVE_COST(m, x, y) 2
 #endif
 
-/* Determine whether the the entire c99 runtime
+/* Determine whether the entire c99 runtime
    is present in the runtime library.  */
 #ifndef TARGET_C99_FUNCTIONS
 #define TARGET_C99_FUNCTIONS 0
@@ -853,4 +852,19 @@ do { fputs (integer_asm_op (POINTER_SIZE / BITS_PER_UNIT, TRUE), FILE); \
 #define MAX_OFILE_ALIGNMENT BIGGEST_ALIGNMENT
 #endif
 
+#ifndef FRAME_GROWS_DOWNWARD
+#define FRAME_GROWS_DOWNWARD 0
+#endif
+
+/* On most machines, the CFA coincides with the first incoming parm.  */
+#ifndef ARG_POINTER_CFA_OFFSET
+#define ARG_POINTER_CFA_OFFSET(FNDECL) FIRST_PARM_OFFSET (FNDECL)
+#endif
+
+/* The offset from the incoming value of %sp to the top of the stack frame
+   for the current function.  */
+#ifndef INCOMING_FRAME_SP_OFFSET
+#define INCOMING_FRAME_SP_OFFSET 0
+#endif
+
 #endif  /* ! GCC_DEFAULTS_H */