/* Declarations for insn-output.c. These functions are defined in recog.c,
final.c, and varasm.c.
Copyright (C) 1987, 1991, 1994, 1997, 1998,
- 1999, 2000 Free Software Foundation, Inc.
+ 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of GNU CC.
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+/* Compute branch alignments based on frequency information in the CFG. */
+extern void compute_alignments PARAMS ((void));
+
/* Initialize data in final at the beginning of a compilation. */
extern void init_final PARAMS ((const char *));
Called from varasm.c before most kinds of output. */
extern void app_disable PARAMS ((void));
-/* Return the number of slots filled in the current
+/* Return the number of slots filled in the current
delayed branch sequence (we don't count the insn needing the
delay slot). Zero if not in a delayed branch sequence. */
extern int dbr_sequence_length PARAMS ((void));
/* Output assembler code for the end of a function.
For clarity, args are same as those of `final_start_function'
even though not all of them are needed. */
-extern void final_end_function PARAMS ((rtx, FILE *, int));
+extern void final_end_function PARAMS ((void));
/* Output assembler code for some insns: all or part of a function. */
extern void final PARAMS ((rtx, FILE *, int, int));
/* Return nonzero if this function has no function calls. */
extern int leaf_function_p PARAMS ((void));
+/* Return 1 if branch is an forward branch.
+ Uses insn_shuid array, so it works only in the final pass. May be used by
+ output templates to add branch prediction hints, for example. */
+extern int final_forward_branch_p PARAMS ((rtx));
+
/* Return 1 if this function uses only the registers that can be
safely renumbered. */
extern int only_leaf_regs_used PARAMS ((void));
extern int regno_uninitialized PARAMS ((int));
extern int regno_clobbered_at_setjmp PARAMS ((int));
extern void find_basic_blocks PARAMS ((rtx, int, FILE *));
-extern void cleanup_cfg PARAMS ((void));
+extern void cleanup_cfg PARAMS ((int));
extern void check_function_return_warnings PARAMS ((void));
#endif
/* Determine if we're in the text section. */
extern int in_text_section PARAMS ((void));
-#ifdef EH_FRAME_SECTION_ASM_OP
-extern void eh_frame_section PARAMS ((void));
-#endif
-
#ifdef CTORS_SECTION_ASM_OP
extern void ctors_section PARAMS ((void));
#endif
extern void assemble_external PARAMS ((tree));
#endif /* TREE_CODE */
-/* Record an element in the table of global destructors.
- How this is done depends on what sort of assembler and linker
- are in use.
-
- NAME should be the name of a global function to be called
- at exit time. This name is output using assemble_name. */
-extern void assemble_destructor PARAMS ((const char *));
-
-/* Likewise for global constructors. */
-extern void assemble_constructor PARAMS ((const char *));
-
-/* Likewise for entries we want to record for garbage collection.
- Garbage collection is still under development. */
-extern void assemble_gc_entry PARAMS ((const char *));
-
/* Assemble code to leave SIZE bytes of zeros. */
extern void assemble_zeros PARAMS ((int));
extern rtx final_sequence;
#endif
-/* The line number of the beginning of the current function.
- sdbout.c needs this so that it can output relative linenumbers. */
+/* The line number of the beginning of the current function. Various
+ md code needs this so that it can output relative linenumbers. */
#ifdef SDB_DEBUGGING_INFO /* Avoid undef sym in certain broken linkers. */
extern int sdb_begin_function_line;
/* Assign unique numbers to labels generated for profiling. */
extern int profile_label_no;
+
+/* Default target function prologue and epilogue assembler output. */
+extern void default_function_pro_epilogue PARAMS ((FILE *, HOST_WIDE_INT));
+
+/* Default target hook that outputs nothing to a stream. */
+extern void no_asm_to_stream PARAMS ((FILE *));
+
+/* Flags controling properties of a section. */
+#define SECTION_CODE 1 /* contains code */
+#define SECTION_WRITE 2 /* data is writable */
+#define SECTION_DEBUG 4 /* contains debug data */
+#define SECTION_LINKONCE 8 /* is linkonce */
+#define SECTION_SMALL 16 /* contains "small data" */
+#define SECTION_BSS 32 /* contains zeros only */
+#define SECTION_FORGET 64 /* forget that we've entered the section */
+#define SECTION_MACH_DEP 128 /* subsequent bits reserved for target */
+
+extern unsigned int get_named_section_flags PARAMS ((const char *));
+extern bool set_named_section_flags PARAMS ((const char *, unsigned int));
+extern void named_section_flags PARAMS ((const char *, unsigned int));
+
+union tree_node;
+extern unsigned int default_section_type_flags PARAMS ((union tree_node *,
+ const char *, int));
+
+extern void default_no_named_section PARAMS ((const char *, unsigned int));
+extern void default_elf_asm_named_section PARAMS ((const char *, unsigned int));
+extern void default_coff_asm_named_section PARAMS ((const char *,
+ unsigned int));
+extern void default_pe_asm_named_section PARAMS ((const char *, unsigned int));
+
+extern void default_stabs_asm_out_destructor PARAMS ((struct rtx_def *, int));
+extern void default_named_section_asm_out_destructor PARAMS ((struct rtx_def *,
+ int));
+extern void default_dtor_section_asm_out_destructor PARAMS ((struct rtx_def *,
+ int));
+extern void default_stabs_asm_out_constructor PARAMS ((struct rtx_def *, int));
+extern void default_named_section_asm_out_constructor PARAMS ((struct rtx_def *,
+ int));
+extern void default_ctor_section_asm_out_constructor PARAMS ((struct rtx_def *,
+ int));
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