/* Definitions for code generation pass of GNU compiler.
- Copyright (C) 1987, 91-98, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
+ 1999, 2000 Free Software Foundation, Inc.
This file is part of GNU CC.
\f
#ifdef TREE_CODE /* Don't lose if tree.h not included. */
/* Structure to record the size of a sequence of arguments
- as the sum of a tree-expression and a constant. */
+ as the sum of a tree-expression and a constant. This structure is
+ also used to store offsets from the stack, which might be negative,
+ so the variable part must be ssizetype, not sizetype. */
struct args_size
{
#define ADD_PARM_SIZE(TO, INC) \
{ tree inc = (INC); \
- if (TREE_CODE (inc) == INTEGER_CST) \
- (TO).constant += TREE_INT_CST_LOW (inc); \
+ if (host_integerp (inc, 0)) \
+ (TO).constant += tree_low_cst (inc, 0); \
else if ((TO).var == 0) \
(TO).var = inc; \
else \
#define SUB_PARM_SIZE(TO, DEC) \
{ tree dec = (DEC); \
- if (TREE_CODE (dec) == INTEGER_CST) \
- (TO).constant -= TREE_INT_CST_LOW (dec); \
+ if (host_integerp (dec, 0)) \
+ (TO).constant -= tree_low_cst (dec, 0); \
else if ((TO).var == 0) \
- (TO).var = size_binop (MINUS_EXPR, integer_zero_node, dec); \
+ (TO).var = size_binop (MINUS_EXPR, ssize_int (0), dec); \
else \
(TO).var = size_binop (MINUS_EXPR, (TO).var, dec); }
-/* Convert the implicit sum in a `struct args_size' into an rtx. */
-#define ARGS_SIZE_RTX(SIZE) \
-((SIZE).var == 0 ? GEN_INT ((SIZE).constant) \
- : expand_expr (size_binop (PLUS_EXPR, (SIZE).var, \
- size_int ((SIZE).constant)), \
- NULL_RTX, VOIDmode, EXPAND_MEMORY_USE_BAD))
+/* Convert the implicit sum in a `struct args_size' into a tree
+ of type ssizetype. */
+#define ARGS_SIZE_TREE(SIZE) \
+((SIZE).var == 0 ? ssize_int ((SIZE).constant) \
+ : size_binop (PLUS_EXPR, (SIZE).var, ssize_int ((SIZE).constant)))
-/* Convert the implicit sum in a `struct args_size' into a tree. */
-#define ARGS_SIZE_TREE(SIZE) \
-((SIZE).var == 0 ? size_int ((SIZE).constant) \
- : size_binop (PLUS_EXPR, (SIZE).var, size_int ((SIZE).constant)))
+/* Convert the implicit sum in a `struct args_size' into an rtx. */
+#define ARGS_SIZE_RTX(SIZE) \
+((SIZE).var == 0 ? GEN_INT ((SIZE).constant) \
+ : expand_expr (ARGS_SIZE_TREE (SIZE), NULL_RTX, VOIDmode, \
+ EXPAND_MEMORY_USE_BAD))
/* Supply a default definition for FUNCTION_ARG_PADDING:
usually pad upward, but pad short args downward on
LTI_gehf2,
LTI_lthf2,
LTI_lehf2,
+ LTI_unordhf2,
LTI_eqsf2,
LTI_nesf2,
LTI_gesf2,
LTI_ltsf2,
LTI_lesf2,
+ LTI_unordsf2,
LTI_eqdf2,
LTI_nedf2,
LTI_gedf2,
LTI_ltdf2,
LTI_ledf2,
+ LTI_unorddf2,
LTI_eqxf2,
LTI_nexf2,
LTI_gexf2,
LTI_ltxf2,
LTI_lexf2,
+ LTI_unordxf2,
LTI_eqtf2,
LTI_netf2,
LTI_getf2,
LTI_lttf2,
LTI_letf2,
+ LTI_unordtf2,
LTI_floatsisf,
LTI_floatdisf,
#define gehf2_libfunc (libfunc_table[LTI_gehf2])
#define lthf2_libfunc (libfunc_table[LTI_lthf2])
#define lehf2_libfunc (libfunc_table[LTI_lehf2])
+#define unordhf2_libfunc (libfunc_table[LTI_unordhf2])
#define eqsf2_libfunc (libfunc_table[LTI_eqsf2])
#define nesf2_libfunc (libfunc_table[LTI_nesf2])
#define gesf2_libfunc (libfunc_table[LTI_gesf2])
#define ltsf2_libfunc (libfunc_table[LTI_ltsf2])
#define lesf2_libfunc (libfunc_table[LTI_lesf2])
+#define unordsf2_libfunc (libfunc_table[LTI_unordsf2])
#define eqdf2_libfunc (libfunc_table[LTI_eqdf2])
#define nedf2_libfunc (libfunc_table[LTI_nedf2])
#define gedf2_libfunc (libfunc_table[LTI_gedf2])
#define ltdf2_libfunc (libfunc_table[LTI_ltdf2])
#define ledf2_libfunc (libfunc_table[LTI_ledf2])
+#define unorddf2_libfunc (libfunc_table[LTI_unorddf2])
#define eqxf2_libfunc (libfunc_table[LTI_eqxf2])
#define nexf2_libfunc (libfunc_table[LTI_nexf2])
#define gexf2_libfunc (libfunc_table[LTI_gexf2])
#define ltxf2_libfunc (libfunc_table[LTI_ltxf2])
#define lexf2_libfunc (libfunc_table[LTI_lexf2])
+#define unordxf2_libfunc (libfunc_table[LTI_unordxf2])
#define eqtf2_libfunc (libfunc_table[LTI_eqtf2])
#define netf2_libfunc (libfunc_table[LTI_netf2])
#define getf2_libfunc (libfunc_table[LTI_getf2])
#define lttf2_libfunc (libfunc_table[LTI_lttf2])
#define letf2_libfunc (libfunc_table[LTI_letf2])
+#define unordtf2_libfunc (libfunc_table[LTI_unordtf2])
#define floatsisf_libfunc (libfunc_table[LTI_floatsisf])
#define floatdisf_libfunc (libfunc_table[LTI_floatdisf])
#define profile_function_entry_libfunc (libfunc_table[LTI_profile_function_entry])
#define profile_function_exit_libfunc (libfunc_table[LTI_profile_function_exit])
\f
-typedef rtx (*rtxfun) PROTO ((rtx));
+typedef rtx (*rtxfun) PARAMS ((rtx));
/* Indexed by the rtx-code for a conditional (eg. EQ, LT,...)
gives the gen_function to make a branch to test that condition. */
/* Define functions given in optabs.c. */
/* Expand a binary operation given optab and rtx operands. */
-extern rtx expand_binop PROTO((enum machine_mode, optab, rtx, rtx, rtx,
- int, enum optab_methods));
+extern rtx expand_binop PARAMS ((enum machine_mode, optab, rtx, rtx, rtx,
+ int, enum optab_methods));
/* Expand a binary operation with both signed and unsigned forms. */
-extern rtx sign_expand_binop PROTO((enum machine_mode, optab, optab, rtx,
- rtx, rtx, int, enum optab_methods));
+extern rtx sign_expand_binop PARAMS ((enum machine_mode, optab, optab, rtx,
+ rtx, rtx, int, enum optab_methods));
/* Generate code to perform an operation on two operands with two results. */
-extern int expand_twoval_binop PROTO((optab, rtx, rtx, rtx, rtx, int));
+extern int expand_twoval_binop PARAMS ((optab, rtx, rtx, rtx, rtx, int));
/* Expand a unary arithmetic operation given optab rtx operand. */
-extern rtx expand_unop PROTO((enum machine_mode, optab, rtx, rtx, int));
+extern rtx expand_unop PARAMS ((enum machine_mode, optab, rtx, rtx, int));
/* Expand the absolute value operation. */
-extern rtx expand_abs PROTO((enum machine_mode, rtx, rtx, int));
+extern rtx expand_abs PARAMS ((enum machine_mode, rtx, rtx, int));
/* Expand the complex absolute value operation. */
-extern rtx expand_complex_abs PROTO((enum machine_mode, rtx, rtx, int));
+extern rtx expand_complex_abs PARAMS ((enum machine_mode, rtx, rtx, int));
/* Generate an instruction with a given INSN_CODE with an output and
an input. */
-extern void emit_unop_insn PROTO((int, rtx, rtx, enum rtx_code));
+extern void emit_unop_insn PARAMS ((int, rtx, rtx, enum rtx_code));
/* Emit code to perform a series of operations on a multi-word quantity, one
word at a time. */
-extern rtx emit_no_conflict_block PROTO((rtx, rtx, rtx, rtx, rtx));
+extern rtx emit_no_conflict_block PARAMS ((rtx, rtx, rtx, rtx, rtx));
/* Emit code to make a call to a constant function or a library call. */
-extern void emit_libcall_block PROTO((rtx, rtx, rtx, rtx));
+extern void emit_libcall_block PARAMS ((rtx, rtx, rtx, rtx));
/* Emit one rtl instruction to store zero in specified rtx. */
-extern void emit_clr_insn PROTO((rtx));
+extern void emit_clr_insn PARAMS ((rtx));
/* Emit one rtl insn to store 1 in specified rtx assuming it contains 0. */
-extern void emit_0_to_1_insn PROTO((rtx));
+extern void emit_0_to_1_insn PARAMS ((rtx));
/* Emit one rtl insn to compare two rtx's. */
-extern void emit_cmp_insn PROTO((rtx, rtx, enum rtx_code, rtx,
- enum machine_mode, int, int));
+extern void emit_cmp_insn PARAMS ((rtx, rtx, enum rtx_code, rtx,
+ enum machine_mode, int, unsigned int));
/* Emit a pair of rtl insns to compare two rtx's and to jump
to a label if the comparison is true. */
-extern void emit_cmp_and_jump_insns PROTO((rtx, rtx, enum rtx_code, rtx,
- enum machine_mode, int, int, rtx));
+extern void emit_cmp_and_jump_insns PARAMS ((rtx, rtx, enum rtx_code, rtx,
+ enum machine_mode, int,
+ unsigned int, rtx));
/* The various uses that a comparison can have; used by can_compare_p:
jumps, conditional moves, store flag operations. */
ccp_cmov,
ccp_store_flag
};
+
/* Nonzero if a compare of mode MODE can be done straightforwardly
(without splitting it into pieces). */
-extern int can_compare_p PROTO((enum machine_mode, enum can_compare_purpose));
+extern int can_compare_p PARAMS ((enum rtx_code, enum machine_mode,
+ enum can_compare_purpose));
-extern void prepare_cmp_insn PROTO((rtx *, rtx *, enum rtx_code *, rtx,
- enum machine_mode *, int *, int,
- enum can_compare_purpose));
+extern void prepare_cmp_insn PARAMS ((rtx *, rtx *, enum rtx_code *, rtx,
+ enum machine_mode *, int *, int,
+ enum can_compare_purpose));
-extern rtx prepare_operand PROTO((int, rtx, int, enum machine_mode,
- enum machine_mode, int));
+extern rtx prepare_operand PARAMS ((int, rtx, int, enum machine_mode,
+ enum machine_mode, int));
/* Generate code to indirectly jump to a location given in the rtx LOC. */
-extern void emit_indirect_jump PROTO((rtx));
+extern void emit_indirect_jump PARAMS ((rtx));
#ifdef HAVE_conditional_move
/* Emit a conditional move operation. */
-rtx emit_conditional_move PROTO((rtx, enum rtx_code, rtx, rtx,
- enum machine_mode, rtx, rtx,
- enum machine_mode, int));
+rtx emit_conditional_move PARAMS ((rtx, enum rtx_code, rtx, rtx,
+ enum machine_mode, rtx, rtx,
+ enum machine_mode, int));
/* Return non-zero if the conditional move is supported. */
-int can_conditionally_move_p PROTO((enum machine_mode mode));
+int can_conditionally_move_p PARAMS ((enum machine_mode mode));
#endif
Modes must match; operands must meet the operation's predicates.
Likewise for subtraction and for just copying.
These do not call protect_from_queue; caller must do so. */
-extern rtx gen_add2_insn PROTO((rtx, rtx));
-extern rtx gen_sub2_insn PROTO((rtx, rtx));
-extern rtx gen_move_insn PROTO((rtx, rtx));
-extern int have_add2_insn PROTO((enum machine_mode));
-extern int have_sub2_insn PROTO((enum machine_mode));
+extern rtx gen_add2_insn PARAMS ((rtx, rtx));
+extern rtx gen_sub2_insn PARAMS ((rtx, rtx));
+extern rtx gen_move_insn PARAMS ((rtx, rtx));
+extern int have_add2_insn PARAMS ((enum machine_mode));
+extern int have_sub2_insn PARAMS ((enum machine_mode));
/* Return the INSN_CODE to use for an extend operation. */
-extern enum insn_code can_extend_p PROTO((enum machine_mode,
- enum machine_mode, int));
+extern enum insn_code can_extend_p PARAMS ((enum machine_mode,
+ enum machine_mode, int));
/* Generate the body of an insn to extend Y (with mode MFROM)
into X (with mode MTO). Do zero-extension if UNSIGNEDP is nonzero. */
-extern rtx gen_extend_insn PROTO((rtx, rtx, enum machine_mode,
- enum machine_mode, int));
+extern rtx gen_extend_insn PARAMS ((rtx, rtx, enum machine_mode,
+ enum machine_mode, int));
/* Initialize the tables that control conversion between fixed and
floating values. */
-extern void init_fixtab PROTO((void));
-extern void init_floattab PROTO((void));
+extern void init_fixtab PARAMS ((void));
+extern void init_floattab PARAMS ((void));
/* Generate code for a FLOAT_EXPR. */
-extern void expand_float PROTO((rtx, rtx, int));
+extern void expand_float PARAMS ((rtx, rtx, int));
/* Generate code for a FIX_EXPR. */
-extern void expand_fix PROTO((rtx, rtx, int));
+extern void expand_fix PARAMS ((rtx, rtx, int));
/* Call this to initialize an optab function entry. */
-extern rtx init_one_libfunc PROTO ((const char *));
+extern rtx init_one_libfunc PARAMS ((const char *));
/* Call this once to initialize the contents of the optabs
appropriately for the current target machine. */
-extern void init_optabs PROTO((void));
+extern void init_optabs PARAMS ((void));
\f
/* Functions from expmed.c: */
/* Arguments MODE, RTX: return an rtx for the negation of that value.
May emit insns. */
-extern rtx negate_rtx PROTO((enum machine_mode, rtx));
+extern rtx negate_rtx PARAMS ((enum machine_mode, rtx));
/* Expand a logical AND operation. */
-extern rtx expand_and PROTO((rtx, rtx, rtx));
+extern rtx expand_and PARAMS ((rtx, rtx, rtx));
/* Emit a store-flag operation. */
-extern rtx emit_store_flag PROTO((rtx, enum rtx_code, rtx, rtx,
- enum machine_mode, int, int));
+extern rtx emit_store_flag PARAMS ((rtx, enum rtx_code, rtx, rtx,
+ enum machine_mode, int, int));
/* Like emit_store_flag, but always succeeds. */
-extern rtx emit_store_flag_force PROTO((rtx, enum rtx_code, rtx, rtx,
- enum machine_mode, int, int));
+extern rtx emit_store_flag_force PARAMS ((rtx, enum rtx_code, rtx, rtx,
+ enum machine_mode, int, int));
/* Functions from loop.c: */
-/* Given a JUMP_INSN, return a description of the test being made. */
-extern rtx get_condition PROTO((rtx, rtx *));
+/* Given an insn and condition, return a canonical description of
+ the test being made. */
+extern rtx canonicalize_condition PARAMS ((rtx, rtx, int, rtx *, rtx));
+
+/* Given a JUMP_INSN, return a canonical description of the test
+ being made. */
+extern rtx get_condition PARAMS ((rtx, rtx *));
/* Generate a conditional trap instruction. */
-extern rtx gen_cond_trap PROTO((enum rtx_code, rtx, rtx, rtx));
+extern rtx gen_cond_trap PARAMS ((enum rtx_code, rtx, rtx, rtx));
\f
/* Functions from builtins.c: */
#ifdef TREE_CODE
-extern rtx expand_builtin PROTO((tree, rtx, rtx, enum machine_mode, int));
-extern void std_expand_builtin_va_start PROTO((int, tree, rtx));
-extern rtx std_expand_builtin_va_arg PROTO((tree, tree));
-extern rtx expand_builtin_va_arg PROTO((tree, tree));
+extern rtx expand_builtin PARAMS ((tree, rtx, rtx, enum machine_mode, int));
+extern tree expand_tree_builtin PARAMS ((tree, tree, tree));
+extern void std_expand_builtin_va_start PARAMS ((int, tree, rtx));
+extern rtx std_expand_builtin_va_arg PARAMS ((tree, tree));
+extern rtx expand_builtin_va_arg PARAMS ((tree, tree));
#endif
-extern rtx expand_builtin_setjmp PROTO((rtx, rtx, rtx, rtx));
-extern void expand_builtin_longjmp PROTO ((rtx, rtx));
-extern rtx expand_builtin_saveregs PROTO((void));
-extern int get_varargs_alias_set PROTO((void));
+extern rtx expand_builtin_setjmp PARAMS ((rtx, rtx, rtx, rtx));
+extern void expand_builtin_longjmp PARAMS ((rtx, rtx));
+extern rtx expand_builtin_saveregs PARAMS ((void));
+extern HOST_WIDE_INT get_varargs_alias_set PARAMS ((void));
+extern HOST_WIDE_INT get_frame_alias_set PARAMS ((void));
+extern void record_base_value PARAMS ((unsigned int, rtx, int));
+extern void record_alias_subset PARAMS ((HOST_WIDE_INT,
+ HOST_WIDE_INT));
+#ifdef TREE_CODE
+extern HOST_WIDE_INT get_alias_set PARAMS ((tree));
+extern HOST_WIDE_INT lang_get_alias_set PARAMS ((tree));
+#endif
+extern HOST_WIDE_INT new_alias_set PARAMS ((void));
\f
/* Functions from expr.c: */
/* This is run once per compilation to set up which modes can be used
directly in memory and to initialize the block move optab. */
-extern void init_expr_once PROTO((void));
+extern void init_expr_once PARAMS ((void));
/* This is run at the start of compiling a function. */
-extern void init_expr PROTO((void));
+extern void init_expr PARAMS ((void));
/* This function is run once to initialize stor-layout.c. */
-extern void init_stor_layout_once PROTO((void));
+extern void init_stor_layout_once PARAMS ((void));
/* This is run at the end of compiling a function. */
-extern void finish_expr_for_function PROTO((void));
+extern void finish_expr_for_function PARAMS ((void));
/* Use protect_from_queue to convert a QUEUED expression
into something that you can put immediately into an instruction. */
-extern rtx protect_from_queue PROTO((rtx, int));
+extern rtx protect_from_queue PARAMS ((rtx, int));
/* Perform all the pending incrementations. */
-extern void emit_queue PROTO((void));
+extern void emit_queue PARAMS ((void));
/* Tell if something has a queued subexpression. */
-extern int queued_subexp_p PROTO((rtx));
+extern int queued_subexp_p PARAMS ((rtx));
/* Emit some rtl insns to move data between rtx's, converting machine modes.
Both modes must be floating or both fixed. */
-extern void convert_move PROTO((rtx, rtx, int));
+extern void convert_move PARAMS ((rtx, rtx, int));
/* Convert an rtx to specified machine mode and return the result. */
-extern rtx convert_to_mode PROTO((enum machine_mode, rtx, int));
+extern rtx convert_to_mode PARAMS ((enum machine_mode, rtx, int));
/* Convert an rtx to MODE from OLDMODE and return the result. */
-extern rtx convert_modes PROTO((enum machine_mode, enum machine_mode, rtx, int));
+extern rtx convert_modes PARAMS ((enum machine_mode, enum machine_mode,
+ rtx, int));
/* Emit code to move a block Y to a block X. */
-extern rtx emit_block_move PROTO((rtx, rtx, rtx, int));
+extern rtx emit_block_move PARAMS ((rtx, rtx, rtx, unsigned int));
/* Copy all or part of a value X into registers starting at REGNO.
The number of registers to be filled is NREGS. */
-extern void move_block_to_reg PROTO((int, rtx, int, enum machine_mode));
+extern void move_block_to_reg PARAMS ((int, rtx, int, enum machine_mode));
/* Copy all or part of a BLKmode value X out of registers starting at REGNO.
The number of registers to be filled is NREGS. */
-extern void move_block_from_reg PROTO((int, rtx, int, int));
+extern void move_block_from_reg PARAMS ((int, rtx, int, int));
/* Load a BLKmode value into non-consecutive registers represented by a
PARALLEL. */
-extern void emit_group_load PROTO((rtx, rtx, int, int));
+extern void emit_group_load PARAMS ((rtx, rtx, int, unsigned int));
+
/* Store a BLKmode value from non-consecutive registers represented by a
PARALLEL. */
-extern void emit_group_store PROTO((rtx, rtx, int, int));
+extern void emit_group_store PARAMS ((rtx, rtx, int, unsigned int));
#ifdef TREE_CODE
/* Copy BLKmode object from a set of registers. */
-extern rtx copy_blkmode_from_reg PROTO((rtx,rtx,tree));
+extern rtx copy_blkmode_from_reg PARAMS ((rtx,rtx,tree));
#endif
/* Mark REG as holding a parameter for the next CALL_INSN. */
-extern void use_reg PROTO((rtx *, rtx));
+extern void use_reg PARAMS ((rtx *, rtx));
+
/* Mark NREGS consecutive regs, starting at REGNO, as holding parameters
for the next CALL_INSN. */
-extern void use_regs PROTO((rtx *, int, int));
+extern void use_regs PARAMS ((rtx *, int, int));
+
/* Mark a PARALLEL as holding a parameter for the next CALL_INSN. */
-extern void use_group_regs PROTO((rtx *, rtx));
+extern void use_group_regs PARAMS ((rtx *, rtx));
/* Write zeros through the storage of OBJECT.
If OBJECT has BLKmode, SIZE is its length in bytes and ALIGN is its
alignment. */
-extern rtx clear_storage PROTO((rtx, rtx, int));
+extern rtx clear_storage PARAMS ((rtx, rtx, unsigned int));
/* Emit insns to set X from Y. */
-extern rtx emit_move_insn PROTO((rtx, rtx));
+extern rtx emit_move_insn PARAMS ((rtx, rtx));
/* Emit insns to set X from Y, with no frills. */
-extern rtx emit_move_insn_1 PROTO((rtx, rtx));
+extern rtx emit_move_insn_1 PARAMS ((rtx, rtx));
/* Push a block of length SIZE (perhaps variable)
and return an rtx to address the beginning of the block. */
-extern rtx push_block PROTO((rtx, int, int));
+extern rtx push_block PARAMS ((rtx, int, int));
/* Make an operand to push something on the stack. */
-extern rtx gen_push_operand PROTO((void));
+extern rtx gen_push_operand PARAMS ((void));
#ifdef TREE_CODE
/* Generate code to push something onto the stack, given its mode and type. */
-extern void emit_push_insn PROTO((rtx, enum machine_mode, tree, rtx, int,
- int, rtx, int, rtx, rtx, int));
+extern void emit_push_insn PARAMS ((rtx, enum machine_mode, tree, rtx,
+ unsigned int, int, rtx, int, rtx, rtx,
+ int, rtx));
/* Emit library call. */
-extern void emit_library_call PVPROTO((rtx orgfun, int no_queue,
- enum machine_mode outmode, int nargs, ...));
-extern rtx emit_library_call_value PVPROTO((rtx orgfun, rtx value, int no_queue,
- enum machine_mode outmode, int nargs, ...));
+extern void emit_library_call PARAMS ((rtx, int, enum machine_mode, int, ...));
+extern rtx emit_library_call_value PARAMS ((rtx, rtx, int, enum machine_mode,
+ int, ...));
/* Expand an assignment that stores the value of FROM into TO. */
-extern rtx expand_assignment PROTO((tree, tree, int, int));
+extern rtx expand_assignment PARAMS ((tree, tree, int, int));
/* Generate code for computing expression EXP,
and storing the value into TARGET.
If SUGGEST_REG is nonzero, copy the value through a register
and return that register, if that is possible. */
-extern rtx store_expr PROTO((tree, rtx, int));
+extern rtx store_expr PARAMS ((tree, rtx, int));
#endif
/* Given an rtx that may include add and multiply operations,
generate them as insns and return a pseudo-reg containing the value.
Useful after calling expand_expr with 1 as sum_ok. */
-extern rtx force_operand PROTO((rtx, rtx));
+extern rtx force_operand PARAMS ((rtx, rtx));
#ifdef TREE_CODE
/* Generate code for computing expression EXP.
An rtx for the computed value is returned. The value is never null.
In the case of a void EXP, const0_rtx is returned. */
-extern rtx expand_expr PROTO((tree, rtx, enum machine_mode,
- enum expand_modifier));
+extern rtx expand_expr PARAMS ((tree, rtx, enum machine_mode,
+ enum expand_modifier));
#endif
/* At the start of a function, record that we have no previously-pushed
arguments waiting to be popped. */
-extern void init_pending_stack_adjust PROTO((void));
+extern void init_pending_stack_adjust PARAMS ((void));
/* When exiting from function, if safe, clear out any pending stack adjust
so the adjustment won't get done. */
-extern void clear_pending_stack_adjust PROTO((void));
+extern void clear_pending_stack_adjust PARAMS ((void));
/* Pop any previously-pushed arguments that have not been popped yet. */
-extern void do_pending_stack_adjust PROTO((void));
+extern void do_pending_stack_adjust PARAMS ((void));
#ifdef TREE_CODE
/* Return the tree node and offset if a given argument corresponds to
a string constant. */
-extern tree string_constant PROTO((tree, tree *));
+extern tree string_constant PARAMS ((tree, tree *));
/* Generate code to evaluate EXP and jump to LABEL if the value is zero. */
-extern void jumpifnot PROTO((tree, rtx));
+extern void jumpifnot PARAMS ((tree, rtx));
/* Generate code to evaluate EXP and jump to LABEL if the value is nonzero. */
-extern void jumpif PROTO((tree, rtx));
+extern void jumpif PARAMS ((tree, rtx));
/* Generate code to evaluate EXP and jump to IF_FALSE_LABEL if
the result is zero, or IF_TRUE_LABEL if the result is one. */
-extern void do_jump PROTO((tree, rtx, rtx));
+extern void do_jump PARAMS ((tree, rtx, rtx));
#endif
/* Generate rtl to compare two rtx's, will call emit_cmp_insn. */
-extern rtx compare_from_rtx PROTO((rtx, rtx, enum rtx_code, int,
- enum machine_mode, rtx, int));
-extern void do_compare_rtx_and_jump PROTO((rtx, rtx, enum rtx_code, int,
- enum machine_mode, rtx, int,
- rtx, rtx));
+extern rtx compare_from_rtx PARAMS ((rtx, rtx, enum rtx_code, int,
+ enum machine_mode, rtx, unsigned int));
+extern void do_compare_rtx_and_jump PARAMS ((rtx, rtx, enum rtx_code, int,
+ enum machine_mode, rtx,
+ unsigned int, rtx, rtx));
/* Generate a tablejump instruction (used for switch statements). */
-extern void do_tablejump PROTO((rtx, enum machine_mode, rtx, rtx, rtx));
+extern void do_tablejump PARAMS ((rtx, enum machine_mode, rtx, rtx, rtx));
\f
#ifdef TREE_CODE
/* rtl.h and tree.h were included. */
/* Return an rtx for the size in bytes of the value of an expr. */
-extern rtx expr_size PROTO((tree));
+extern rtx expr_size PARAMS ((tree));
-extern rtx lookup_static_chain PROTO((tree));
+extern rtx lookup_static_chain PARAMS ((tree));
/* Convert a stack slot address ADDR valid in function FNDECL
into an address valid in this function (using a static chain). */
-extern rtx fix_lexical_addr PROTO((rtx, tree));
+extern rtx fix_lexical_addr PARAMS ((rtx, tree));
/* Return the address of the trampoline for entering nested fn FUNCTION. */
-extern rtx trampoline_address PROTO((tree));
+extern rtx trampoline_address PARAMS ((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 PROTO((tree, tree));
+extern rtx hard_function_value PARAMS ((tree, tree, int));
-extern rtx prepare_call_address PROTO((rtx, tree, rtx *, int));
+extern rtx prepare_call_address PARAMS ((rtx, tree, rtx *, int));
-extern rtx expand_call PROTO((tree, rtx, int));
+extern rtx expand_call PARAMS ((tree, rtx, int));
+
+extern rtx expand_shift PARAMS ((enum tree_code, enum machine_mode, rtx, tree,
+ rtx, int));
+extern rtx expand_divmod PARAMS ((int, enum tree_code, enum machine_mode, rtx,
+ rtx, rtx, int));
+extern void locate_and_pad_parm PARAMS ((enum machine_mode, tree, int, tree,
+ struct args_size *,
+ struct args_size *,
+ struct args_size *,
+ struct args_size *));
+extern rtx expand_inline_function PARAMS ((tree, tree, rtx, int, tree, rtx));
-extern rtx expand_shift PROTO((enum tree_code, enum machine_mode, rtx, tree, rtx, int));
-extern rtx expand_divmod PROTO((int, enum tree_code, enum machine_mode, rtx, rtx, rtx, int));
-extern void locate_and_pad_parm PROTO((enum machine_mode, tree, int, tree, struct args_size *, struct args_size *, struct args_size *));
-extern rtx expand_inline_function PROTO((tree, tree, rtx, int, tree, rtx));
/* Return the CODE_LABEL rtx for a LABEL_DECL, creating it if necessary. */
-extern rtx label_rtx PROTO((tree));
+extern rtx label_rtx PARAMS ((tree));
#endif
/* Indicate how an input argument register was promoted. */
-extern rtx promoted_input_arg PROTO((int, enum machine_mode *, int *));
+extern rtx promoted_input_arg PARAMS ((unsigned int, enum machine_mode *,
+ int *));
/* Return an rtx like arg but sans any constant terms.
Returns the original rtx if it has no constant terms.
The constant terms are added and stored via a second arg. */
-extern rtx eliminate_constant_term PROTO((rtx, rtx *));
+extern rtx eliminate_constant_term PARAMS ((rtx, rtx *));
/* Convert arg to a valid memory address for specified machine mode,
by emitting insns to perform arithmetic if nec. */
-extern rtx memory_address PROTO((enum machine_mode, rtx));
+extern rtx memory_address PARAMS ((enum machine_mode, rtx));
/* Like `memory_address' but pretent `flag_force_addr' is 0. */
-extern rtx memory_address_noforce PROTO((enum machine_mode, rtx));
+extern rtx memory_address_noforce PARAMS ((enum machine_mode, rtx));
/* Return a memory reference like MEMREF, but with its mode changed
to MODE and its address changed to ADDR.
(VOIDmode means don't change the mode.
NULL for ADDR means don't change the address.) */
-extern rtx change_address PROTO((rtx, enum machine_mode, rtx));
+extern rtx change_address PARAMS ((rtx, enum machine_mode, rtx));
/* Return a memory reference like MEMREF, but which is known to have a
valid address. */
+extern rtx validize_mem PARAMS ((rtx));
-extern rtx validize_mem PROTO((rtx));
+#ifdef TREE_CODE
+/* Given REF, either a MEM or a REG, and T, either the type of X or
+ the expression corresponding to REF, set RTX_UNCHANGING_P if
+ appropriate. */
+extern void maybe_set_unchanging PARAMS ((rtx, tree));
+
+/* Given REF, a MEM, and T, either the type of X or the expression
+ corresponding to REF, set the memory attributes. OBJECTP is nonzero
+ if we are making a new object of this type. */
+extern void set_mem_attributes PARAMS ((rtx, tree, int));
+#endif
/* Assemble the static constant template for function entry trampolines. */
-extern rtx assemble_trampoline_template PROTO((void));
+extern rtx assemble_trampoline_template PARAMS ((void));
/* Return 1 if two rtx's are equivalent in structure and elements. */
-extern int rtx_equal_p PROTO((rtx, rtx));
+extern int rtx_equal_p PARAMS ((rtx, rtx));
/* 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 PROTO((rtx));
+extern rtx stabilize PARAMS ((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 PROTO((rtx));
+extern rtx copy_all_regs PARAMS ((rtx));
/* Copy given rtx to a new temp reg and return that. */
-extern rtx copy_to_reg PROTO((rtx));
+extern rtx copy_to_reg PARAMS ((rtx));
/* Like copy_to_reg but always make the reg Pmode. */
-extern rtx copy_addr_to_reg PROTO((rtx));
+extern rtx copy_addr_to_reg PARAMS ((rtx));
/* Like copy_to_reg but always make the reg the specified mode MODE. */
-extern rtx copy_to_mode_reg PROTO((enum machine_mode, rtx));
+extern rtx copy_to_mode_reg PARAMS ((enum machine_mode, rtx));
/* Copy given rtx to given temp reg and return that. */
-extern rtx copy_to_suggested_reg PROTO((rtx, rtx, enum machine_mode));
+extern rtx copy_to_suggested_reg PARAMS ((rtx, rtx, enum machine_mode));
/* Copy a value to a register if it isn't already a register.
Args are mode (in case value is a constant) and the value. */
-extern rtx force_reg PROTO((enum machine_mode, rtx));
+extern rtx force_reg PARAMS ((enum machine_mode, rtx));
/* Return given rtx, copied into a new temp reg if it was in memory. */
-extern rtx force_not_mem PROTO((rtx));
+extern rtx force_not_mem PARAMS ((rtx));
#ifdef TREE_CODE
/* Return mode and signedness to use when object is promoted. */
-extern enum machine_mode promote_mode PROTO((tree, enum machine_mode,
- int *, int));
+extern enum machine_mode promote_mode PARAMS ((tree, enum machine_mode,
+ int *, int));
#endif
/* Remove some bytes from the stack. An rtx says how many. */
-extern void adjust_stack PROTO((rtx));
+extern void adjust_stack PARAMS ((rtx));
/* Add some bytes to the stack. An rtx says how many. */
-extern void anti_adjust_stack PROTO((rtx));
+extern void anti_adjust_stack PARAMS ((rtx));
/* This enum is used for the following two functions. */
enum save_level {SAVE_BLOCK, SAVE_FUNCTION, SAVE_NONLOCAL};
/* Save the stack pointer at the specified level. */
-extern void emit_stack_save PROTO((enum save_level, rtx *, rtx));
+extern void emit_stack_save PARAMS ((enum save_level, rtx *, rtx));
/* Restore the stack pointer from a save area of the specified level. */
-extern void emit_stack_restore PROTO((enum save_level, rtx, rtx));
+extern void emit_stack_restore PARAMS ((enum save_level, rtx, rtx));
/* Allocate some space on the stack dynamically and return its address. An rtx
says how many bytes. */
-extern rtx allocate_dynamic_stack_space PROTO((rtx, rtx, int));
+extern rtx allocate_dynamic_stack_space PARAMS ((rtx, rtx, int));
/* Probe a range of stack addresses from FIRST to FIRST+SIZE, inclusive.
FIRST is a constant and size is a Pmode RTX. These are offsets from the
current stack pointer. STACK_GROWS_DOWNWARD says whether to add or
subtract from the stack. If SIZE is constant, this is done
with a fixed number of probes. Otherwise, we must make a loop. */
-extern void probe_stack_range PROTO((HOST_WIDE_INT, rtx));
+extern void probe_stack_range PARAMS ((HOST_WIDE_INT, rtx));
/* Return an rtx that refers to the value returned by a library call
in its original home. This becomes invalid if any more code is emitted. */
-extern rtx hard_libcall_value PROTO((enum machine_mode));
+extern rtx hard_libcall_value PARAMS ((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 PROTO((rtx));
-
-extern rtx store_bit_field PROTO((rtx, int, int, enum machine_mode, rtx, int, int));
-extern rtx extract_bit_field PROTO((rtx, int, int, int, rtx, enum machine_mode, enum machine_mode, int, int));
-extern rtx expand_mult PROTO((enum machine_mode, rtx, rtx, rtx, int));
-extern rtx expand_mult_add PROTO((rtx, rtx, rtx, rtx,enum machine_mode, int));
-extern rtx expand_mult_highpart_adjust PROTO((enum machine_mode, rtx, rtx, rtx, rtx, int));
-
-extern rtx assemble_static_space PROTO((int));
+extern rtx round_push PARAMS ((rtx));
+
+extern rtx store_bit_field PARAMS ((rtx, unsigned HOST_WIDE_INT,
+ unsigned HOST_WIDE_INT,
+ enum machine_mode, rtx,
+ unsigned int, HOST_WIDE_INT));
+extern rtx extract_bit_field PARAMS ((rtx, unsigned HOST_WIDE_INT,
+ unsigned HOST_WIDE_INT, int, rtx,
+ enum machine_mode, enum machine_mode,
+ unsigned int, HOST_WIDE_INT));
+extern rtx expand_mult PARAMS ((enum machine_mode, rtx, rtx, rtx, int));
+extern rtx expand_mult_add PARAMS ((rtx, rtx, rtx, rtx,enum machine_mode, int));
+extern rtx expand_mult_highpart_adjust PARAMS ((enum machine_mode, rtx, rtx, rtx, rtx, int));
+
+extern rtx assemble_static_space PARAMS ((int));
/* Hook called by expand_expr for language-specific tree codes.
It is up to the language front end to install a hook
if it has any such codes that expand_expr needs to know about. */
-extern rtx (*lang_expand_expr) PROTO ((union tree_node *, rtx,
- enum machine_mode,
- enum expand_modifier modifier));
+extern rtx (*lang_expand_expr) PARAMS ((union tree_node *, rtx,
+ enum machine_mode,
+ enum expand_modifier modifier));
#ifdef TREE_CODE
/* Hook called by output_constant for language-specific tree codes.
It is up to the language front-end to install a hook if it has any
such codes that output_constant needs to know about. Returns a
language-independent constant equivalent to its input. */
-extern tree (*lang_expand_constant) PROTO((tree));
+extern tree (*lang_expand_constant) PARAMS ((tree));
#endif
-extern void init_all_optabs PROTO ((void));
-extern void do_jump_by_parts_equality_rtx PROTO((rtx, rtx, rtx));
-extern void do_jump_by_parts_greater_rtx PROTO ((enum machine_mode, int,
- rtx, rtx, rtx, rtx));
+extern void init_all_optabs PARAMS ((void));
+extern void do_jump_by_parts_equality_rtx PARAMS ((rtx, rtx, rtx));
+extern void do_jump_by_parts_greater_rtx PARAMS ((enum machine_mode,
+ int, rtx, rtx, rtx,
+ rtx));
#ifdef TREE_CODE /* Don't lose if tree.h not included. */
-extern void mark_seen_cases PROTO ((tree, unsigned char *,
- long, int));
+extern void mark_seen_cases PARAMS ((tree, unsigned char *,
+ HOST_WIDE_INT, int));
#endif
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