/* Definitions for code generation pass of GNU compiler.
Copyright (C) 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005
+ Free Software Foundation, Inc.
This file is part of GCC.
/* This is the 4th arg to `expand_expr'.
EXPAND_STACK_PARM means we are possibly expanding a call param onto
- the stack. Choosing a value of 2 isn't special; It just allows
- some code optimization in store_expr.
+ the stack.
EXPAND_SUM means it is ok to return a PLUS rtx or MULT rtx.
EXPAND_INITIALIZER is similar but also record any labels on forced_labels.
EXPAND_CONST_ADDRESS means it is ok to return a MEM whose address
EXPAND_WRITE means we are only going to write to the resulting rtx.
EXPAND_MEMORY means we are interested in a memory result, even if
the memory is constant and we could have propagated a constant value. */
-enum expand_modifier {EXPAND_NORMAL = 0, EXPAND_STACK_PARM = 2, EXPAND_SUM,
+enum expand_modifier {EXPAND_NORMAL = 0, EXPAND_STACK_PARM, EXPAND_SUM,
EXPAND_CONST_ADDRESS, EXPAND_INITIALIZER, EXPAND_WRITE,
EXPAND_MEMORY};
struct args_size alignment_pad;
/* Which way we should pad this arg. */
enum direction where_pad;
+ /* slot_offset is at least this aligned. */
+ unsigned int boundary;
};
/* Add the value of the tree INC to the `struct args_size' TO. */
#define FUNCTION_ARG_BOUNDARY(MODE, TYPE) PARM_BOUNDARY
#endif
-#ifndef FUNCTION_ARG_PARTIAL_NREGS
-#define FUNCTION_ARG_PARTIAL_NREGS(CUM, MODE, TYPE, NAMED) 0
-#endif
-
-tree split_complex_types (tree);
-tree split_complex_values (tree);
-
/* Supply a default definition of STACK_SAVEAREA_MODE for emit_stack_save.
Normally move_insn, so Pmode stack pointer. */
/* Generate code to indirectly jump to a location given in the rtx LOC. */
extern void emit_indirect_jump (rtx);
+/* Generate a conditional trap instruction. */
+extern rtx gen_cond_trap (enum rtx_code, rtx, rtx, rtx);
+
#include "insn-config.h"
#ifdef HAVE_conditional_move
/* Like emit_store_flag, but always succeeds. */
extern rtx emit_store_flag_force (rtx, enum rtx_code, rtx, rtx,
enum machine_mode, int, int);
-
-/* Functions from loop.c: */
-
-/* Given an insn and condition, return a canonical description of
- the test being made. */
-extern rtx canonicalize_condition (rtx, rtx, int, rtx *, rtx, int, int);
-
-/* Given a JUMP_INSN, return a canonical description of the test
- being made. */
-extern rtx get_condition (rtx, rtx *, int, int);
-
-/* Generate a conditional trap instruction. */
-extern rtx gen_cond_trap (enum rtx_code, rtx, rtx, rtx);
\f
/* Functions from builtins.c: */
extern rtx expand_builtin (tree, rtx, rtx, enum machine_mode, int);
extern rtx default_expand_builtin (tree, rtx, rtx, enum machine_mode, int);
extern void expand_builtin_setjmp_setup (rtx, rtx);
extern void expand_builtin_setjmp_receiver (rtx);
-extern void expand_builtin_longjmp (rtx, rtx);
extern rtx expand_builtin_saveregs (void);
-extern void expand_builtin_trap (void);
\f
/* Functions from expr.c: */
PARALLEL. */
extern void emit_group_load (rtx, rtx, tree, int);
+/* Similarly, but load into new temporaries. */
+extern rtx emit_group_load_into_temps (rtx, rtx, tree, int);
+
/* Move a non-consecutive group of registers represented by a PARALLEL into
a non-consecutive group of registers represented by a PARALLEL. */
extern void emit_group_move (rtx, rtx);
+/* Move a group of registers represented by a PARALLEL into pseudos. */
+extern rtx emit_group_move_into_temps (rtx);
+
/* Store a BLKmode value from non-consecutive registers represented by a
PARALLEL. */
extern void emit_group_store (rtx, rtx, tree, int);
/* Functions from alias.c */
#include "alias.h"
-/* extern HOST_WIDE_INT get_varargs_alias_set (void); */
-/* extern HOST_WIDE_INT get_frame_alias_set (void); */
-/* extern void record_base_value (unsigned int, rtx, int); */
-/* extern void record_alias_subset (HOST_WIDE_INT, HOST_WIDE_INT); */
-/* extern HOST_WIDE_INT new_alias_set (void); */
-/* extern int can_address_p (tree); */
\f
/* rtl.h and tree.h were included. */
if the size can vary or is larger than an integer. */
extern HOST_WIDE_INT int_expr_size (tree);
-/* Return the address of the trampoline for entering nested fn FUNCTION. */
-extern rtx trampoline_address (tree);
-
/* Return an rtx that refers to the value returned by a function
in its original home. This becomes invalid if any more code is emitted. */
extern rtx hard_function_value (tree, tree, int);
extern rtx prepare_call_address (rtx, rtx, rtx *, int, int);
+extern bool shift_return_value (enum machine_mode, bool, rtx);
+
extern rtx expand_call (tree, rtx, int);
extern void fixup_tail_calls (void);
/* Assemble the static constant template for function entry trampolines. */
extern rtx assemble_trampoline_template (void);
-/* Given rtx, return new rtx whose address won't be affected by
- any side effects. It has been copied to a new temporary reg. */
-extern rtx stabilize (rtx);
-
-/* Given an rtx, copy all regs it refers to into new temps
- and return a modified copy that refers to the new temps. */
-extern rtx copy_all_regs (rtx);
-
/* Copy given rtx to a new temp reg and return that. */
extern rtx copy_to_reg (rtx);
in its original home. This becomes invalid if any more code is emitted. */
extern rtx hard_libcall_value (enum machine_mode);
-/* Given an rtx, return an rtx for a value rounded up to a multiple
- of STACK_BOUNDARY / BITS_PER_UNIT. */
-extern rtx round_push (rtx);
-
/* Return the mode desired by operand N of a particular bitfield
insert/extract insn, or MAX_MACHINE_MODE if no such insn is
available. */
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