Clean up prototypes for functions in expr.c and optabs.c and add some
missing ones. From-SVN: r3673
This commit is contained in:
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d8e8f34647
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12e74c9e4c
247
gcc/expr.h
247
gcc/expr.h
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@ -1,5 +1,5 @@
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/* Definitions for code generation pass of GNU compiler.
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Copyright (C) 1987, 1991 Free Software Foundation, Inc.
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Copyright (C) 1987, 1991, 1992, 1993 Free Software Foundation, Inc.
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This file is part of GNU CC.
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@ -446,11 +446,18 @@ extern rtxfun bcc_gen_fctn[NUM_RTX_CODE];
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extern enum insn_code setcc_gen_code[NUM_RTX_CODE];
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/* Define functions given in optabs.c. */
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/* Expand a binary operation given optab and rtx operands. */
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extern rtx expand_binop PROTO((enum machine_mode, optab, rtx, rtx, rtx, int, enum optab_methods));
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extern rtx expand_binop PROTO((enum machine_mode, optab, rtx, rtx, rtx,
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int, enum optab_methods));
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/* Expand a binary operation with both signed and unsigned forms. */
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extern rtx sign_expand_binop PROTO((enum machine_mode, optab, optab, rtx, rtx, rtx, int, enum optab_methods));
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extern rtx sign_expand_binop PROTO((enum machine_mode, optab, optab, rtx,
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rtx, rtx, int, enum optab_methods));
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/* Generate code to perform an operation on two operands with two results. */
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extern int expand_twoval_binop PROTO((optab, rtx, rtx, rtx, rtx, int));
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/* Expand a unary arithmetic operation given optab rtx operand. */
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extern rtx expand_unop PROTO((enum machine_mode, optab, rtx, rtx, int));
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@ -458,6 +465,70 @@ extern rtx expand_unop PROTO((enum machine_mode, optab, rtx, rtx, int));
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/* Expand the complex absolute value operation. */
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extern rtx expand_complex_abs PROTO((enum machine_mode, rtx, rtx, int));
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/* Generate an instruction with a given INSN_CODE with an output and
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an input. */
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extern void emit_unop_insn PROTO((int, rtx, rtx, enum rtx_code));
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/* Emit code to perform a series of operations on a multi-word quantity, one
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word at a time. */
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extern rtx emit_no_conflict_block PROTO((rtx, rtx, rtx, rtx, rtx));
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/* Emit code to make a call to a constant function or a library call. */
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extern void emit_libcall_block PROTO((rtx, rtx, rtx, rtx));
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/* Emit one rtl instruction to store zero in specified rtx. */
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extern void emit_clr_insn PROTO((rtx));
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/* Emit one rtl insn to store 1 in specified rtx assuming it contains 0. */
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extern void emit_0_to_1_insn PROTO((rtx));
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/* Emit one rtl insn to compare two rtx's. */
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extern void emit_cmp_insn PROTO((rtx, rtx, enum rtx_code, rtx,
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enum machine_mode, int, int));
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/* Nonzero if a compare of mode MODE can be done straightforwardly
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(without splitting it into pieces). */
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extern int can_compare_p PROTO((enum machine_mode));
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/* Generate code to indirectly jump to a location given in the rtx LOC. */
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extern void emit_indirect_jump PROTO((rtx));
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/* Create but don't emit one rtl instruction to add one rtx into another.
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Modes must match; operands must meet the operation's predicates.
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Likewise for subtraction and for just copying.
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These do not call protect_from_queue; caller must do so. */
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extern rtx gen_add2_insn PROTO((rtx, rtx));
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extern rtx gen_sub2_insn PROTO((rtx, rtx));
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extern rtx gen_move_insn PROTO((rtx, rtx));
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extern int have_add2_insn PROTO((enum machine_mode));
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extern int have_sub2_insn PROTO((enum machine_mode));
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/* Return the INSN_CODE to use for an extend operation. */
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extern enum insn_code can_extend_p PROTO((enum machine_mode,
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enum machine_mode, int));
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/* Generate the body of an insn to extend Y (with mode MFROM)
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into X (with mode MTO). Do zero-extension if UNSIGNEDP is nonzero. */
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extern rtx gen_extend_insn PROTO((rtx, rtx, enum machine_mode,
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enum machine_mode, int));
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/* Initialize the tables that control conversion between fixed and
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floating values. */
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extern void init_fixtab PROTO((void));
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extern void init_floattab PROTO((void));
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/* Generate code for a FLOAT_EXPR. */
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extern void expand_float PROTO((rtx, rtx, int));
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/* Generate code for a FIX_EXPR. */
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extern void expand_fix PROTO((rtx, rtx, int));
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/* Call this once to initialize the contents of the optabs
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appropriately for the current target machine. */
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extern void init_optabs PROTO((void));
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/* Functions from expmed.c: (/
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/* Arguments MODE, RTX: return an rtx for the negation of that value.
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May emit insns. */
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extern rtx negate_rtx PROTO((enum machine_mode, rtx));
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@ -466,48 +537,29 @@ extern rtx negate_rtx PROTO((enum machine_mode, rtx));
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extern rtx expand_and PROTO((rtx, rtx, rtx));
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/* Emit a store-flag operation. */
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extern rtx emit_store_flag PROTO((rtx, enum rtx_code, rtx, rtx, enum machine_mode, int, int));
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extern rtx emit_store_flag PROTO((rtx, enum rtx_code, rtx, rtx,
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enum machine_mode, int, int));
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/* Functions from loop.c: */
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/* Given a JUMP_INSN, return a description of the test being made. */
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extern rtx get_condition PROTO((rtx, rtx *));
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/* Functions from expr.c: */
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/* Return the INSN_CODE to use for an extend operation. */
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extern enum insn_code can_extend_p PROTO((enum machine_mode, enum machine_mode, int));
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/* This is run once per compilation to set up which modes can be used
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directly in memory and to initialize the block move optab. */
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extern void init_expr_once PROTO((void));
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/* Initialize the tables that control conversion between fixed and
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floating values. */
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extern void init_fixtab PROTO((void));
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extern void init_floattab PROTO((void));
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/* This is run at the start of compiling a function. */
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extern void init_expr PROTO((void));
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/* Generate code for a FIX_EXPR. */
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extern void expand_fix PROTO((rtx, rtx, int));
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/* Use protect_from_queue to convert a QUEUED expression
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into something that you can put immediately into an instruction. */
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extern rtx protect_from_queue PROTO((rtx, int));
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/* Generate code for a FLOAT_EXPR. */
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extern void expand_float PROTO((rtx, rtx, int));
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/* Create but don't emit one rtl instruction to add one rtx into another.
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Modes must match; operands must meet the operation's predicates.
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Likewise for subtraction and for just copying.
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These do not call protect_from_queue; caller must do so. */
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extern rtx gen_add2_insn PROTO((rtx, rtx));
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extern rtx gen_sub2_insn PROTO((rtx, rtx));
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extern rtx gen_move_insn PROTO((rtx, rtx));
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/* Emit one rtl instruction to store zero in specified rtx. */
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extern void emit_clr_insn PROTO((rtx));
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/* Emit one rtl insn to store 1 in specified rtx assuming it contains 0. */
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extern void emit_0_to_1_insn PROTO((rtx));
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/* Emit one rtl insn to compare two rtx's. */
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extern void emit_cmp_insn PROTO((rtx, rtx, enum rtx_code, rtx, enum machine_mode, int, int));
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/* Emit insns to set X from Y, with no frills. */
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extern rtx emit_move_insn_1 PROTO ((rtx, rtx));
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/* Generate rtl to compare two rtx's, will call emit_cmp_insn. */
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extern rtx compare_from_rtx PROTO((rtx, rtx, enum rtx_code, int, enum machine_mode, rtx, int));
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/* Perform all the pending incrementations. */
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extern void emit_queue PROTO((void));
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/* Emit some rtl insns to move data between rtx's, converting machine modes.
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Both modes must be floating or both fixed. */
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@ -516,16 +568,103 @@ extern void convert_move PROTO((rtx, rtx, int));
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/* Convert an rtx to specified machine mode and return the result. */
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extern rtx convert_to_mode PROTO((enum machine_mode, rtx, int));
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/* Emit code to push some arguments and call a library routine,
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storing the value in a specified place. Calling sequence is
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complicated. */
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/* Emit code to move a block Y to a block X.
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extern void emit_block_move PROTO((rtx, rtx, rtx, int));
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/* Copy all or part of a value X into registers starting at REGNO.
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The number of registers to be filled is NREGS. */
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extern void move_block_to_reg PROTO((int, rtx, int, enum machine_mode));
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/* Copy all or part of a BLKmode value X out of registers starting at REGNO.
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The number of registers to be filled is NREGS. */
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extern void move_block_from_reg PROTO((int, rtx, int));
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/* Mark NREGS consecutive regs, starting at REGNO, as being live now. */
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extern void use_regs PROTO((int, int));
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/* Write zeros through the storage of OBJECT.
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If OBJECT has BLKmode, SIZE is its length in bytes. */
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extern void clear_storage PROTO((rtx, int));
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/* Emit insns to set X from Y. */
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extern rtx emit_move_insn PROTO((rtx, rtx));
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/* Emit insns to set X from Y, with no frills. */
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extern rtx emit_move_insn_1 PROTO ((rtx, rtx));
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/* Push a block of length SIZE (perhaps variable)
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and return an rtx to address the beginning of the block. */
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extern rtx push_block PROTO((rtx, int, int));
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/* Make an operand to push someting on the stack. */
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extern rtx gen_push_operand PROTO((void));
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#ifdef TREE_CODE
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/* Generate code to push something onto the stack, given its mode and type. */
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extern void emit_push_insn PROTO((rtx, enum machine_mode, tree, rtx, int,
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int, rtx, int, rtx, rtx));
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/* Emit library call. These cannot have accurate prototypes since they have
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a variable number of args. */
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extern void emit_library_call ();
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extern void emit_library_call_value ();
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/* Expand an assignment that stores the value of FROM into TO. */
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extern rtx expand_assignment PROTO((tree, tree, int, int));
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/* Generate code for computing expression EXP,
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and storing the value into TARGET.
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If SUGGEST_REG is nonzero, copy the value through a register
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and return that register, if that is possible. */
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extern rtx store_expr PROTO((tree, rtx, int));
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#endif
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/* Given an rtx that may include add and multiply operations,
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generate them as insns and return a pseudo-reg containing the value.
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Useful after calling expand_expr with 1 as sum_ok. */
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extern rtx force_operand PROTO((rtx, rtx));
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#ifdef TREE_CODE
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/* Generate code for computing expression EXP.
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An rtx for the computed value is returned. The value is never null.
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In the case of a void EXP, const0_rtx is returned. */
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extern rtx expand_expr PROTO((tree, rtx, enum machine_mode,
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enum expand_modifier));
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#endif
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/* At the start of a function, record that we have no previously-pushed
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arguments waiting to be popped. */
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extern void init_pending_stack_adjust PROTO((void));
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/* When exiting from function, if safe, clear out any pending stack adjust
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so the adjustment won't get done. */
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extern void clear_pending_stack_adjust PROTO((void));
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/* Pop any previously-pushed arguments that have not been popped yet. */
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extern void do_pending_stack_adjust PROTO((void));
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#ifdef TREE_CODE
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/* Expand all cleanups up to OLD_CLEANUPS. */
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extern void expand_cleanups_to PROTO((tree));
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/* Generate code to evaluate EXP and jump to LABEL if the value is zero. */
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extern void jumpifnot PROTO((tree, rtx));
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/* Generate code to evaluate EXP and jump to LABEL if the value is nonzero. */
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extern void jumpif PROTO((tree, rtx));
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/* Generate code to evaluate EXP and jump to IF_FALSE_LABEL if
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the result is zero, or IF_TRUE_LABEL if the result is one. */
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extern void do_jump PROTO((tree, rtx, rtx));
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#endif
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/* Generate rtl to compare two rtx's, will call emit_cmp_insn. */
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extern rtx compare_from_rtx PROTO((rtx, rtx, enum rtx_code, int,
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enum machine_mode, rtx, int));
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/* Generate a tablejump instruction (used for switch statements). */
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extern void do_tablejump PROTO((rtx, enum machine_mode, rtx, rtx, rtx));
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#ifdef TREE_CODE
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/* rtl.h and tree.h were included. */
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/* Return an rtx for the size in bytes of the value of an expr. */
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in its original home. This becomes invalid if any more code is emitted. */
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extern rtx hard_function_value PROTO((tree, tree));
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/* Generate code for computing expression EXP,
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and storing the value into TARGET.
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If SUGGEST_REG is nonzero, copy the value through a register
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and return that register, if that is possible. */
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extern rtx store_expr PROTO((tree, rtx, int));
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extern rtx prepare_call_address PROTO((rtx, tree, rtx*));
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extern rtx expand_call PROTO((tree, rtx, int));
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extern void emit_call_1 PROTO((rtx, tree, int, int, rtx, rtx, int, rtx, int));
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extern void emit_push_insn PROTO((rtx, enum machine_mode, tree, rtx, int, int, rtx, int, rtx, rtx));
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extern rtx expand_shift PROTO((enum tree_code, enum machine_mode, rtx, tree, rtx, int));
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extern rtx expand_divmod PROTO((int, enum tree_code, enum machine_mode, rtx, rtx, rtx, int));
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extern void jumpif PROTO((tree, rtx));
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extern void do_jump PROTO((tree, rtx, rtx));
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extern void locate_and_pad_parm PROTO((enum machine_mode, tree, int, tree, struct args_size *, struct args_size *, struct args_size *));
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extern rtx expand_inline_function PROTO((tree, tree, rtx, int, tree, rtx));
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/* Return the CODE_LABEL rtx for a LABEL_DECL, creating it if necessary. */
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in its original home. This becomes invalid if any more code is emitted. */
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extern rtx hard_function_value ();
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/* Generate code for computing expression EXP,
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and storing the value into TARGET.
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If SUGGEST_REG is nonzero, copy the value through a register
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and return that register, if that is possible. */
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extern rtx store_expr ();
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extern rtx prepare_call_address ();
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extern rtx expand_call ();
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extern void emit_call_1 ();
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extern void emit_push_insn ();
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extern rtx expand_shift ();
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extern rtx expand_divmod ();
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extern void jumpif ();
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extern void do_jump ();
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extern void locate_and_pad_parm ();
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extern rtx expand_inline_function ();
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extern rtx label_rtx ();
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#endif
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/* Indicate how an input argument register was promoted. */
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extern rtx promoted_input_arg ();
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of STACK_BOUNDARY / BITS_PER_UNIT. */
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extern rtx round_push PROTO((rtx));
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/* Push a block of length SIZE (perhaps variable)
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and return an rtx to address the beginning of the block. */
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extern rtx push_block PROTO((rtx, int, int));
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extern void emit_block_move PROTO((rtx, rtx, rtx, int));
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extern void use_regs PROTO((int, int));
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extern void move_block_to_reg PROTO((int, rtx, int, enum machine_mode));
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extern rtx store_bit_field PROTO((rtx, int, int, enum machine_mode, rtx, int, int));
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extern rtx extract_bit_field PROTO((rtx, int, int, int, rtx, enum machine_mode, enum machine_mode, int, int));
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extern rtx expand_mult PROTO((enum machine_mode, rtx, rtx, rtx, int));
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extern rtx expand_mult_add PROTO((rtx, rtx, rtx, rtx,enum machine_mode, int));
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extern rtx expand_stmt_expr ();
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extern rtx emit_no_conflict_block PROTO((rtx, rtx, rtx, rtx, rtx));
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extern void emit_libcall_block PROTO((rtx, rtx, rtx, rtx));
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extern void jumpifnot ();
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extern rtx assemble_static_space PROTO((int));
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