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From-SVN: r29150
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From-SVN: r29044
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* rtl.h (rtx_format): Constify a char*.
* rtl.c (rtx_format): Likewise.
(copy_rtx, copy_most_rtx, read_rtx): Likewise.
(init_rtl): Use accessor macro, not `rtx_format'.
* alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
char*.
* caller-save.c (mark_referenced_regs): Likewise.
* combine.c (subst, make_compound_operation, known_cond,
gen_rtx_combine, update_table_tick, get_last_value_validate,
use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
* cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
refers_to_p, canon_reg, fold_rtx, cse_process_notes,
count_reg_usage): Likewise.
* emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
Likewise.
* final.c (leaf_renumber_regs_insn): Likewise.
* flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
dump_edge_info, count_reg_references): Likewise.
* function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
Likewise.
* gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
add_label_notes): Likewise.
* genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
clear_struct_flag, count_sub_rtxs, count_alternatives,
compares_alternatives_p, contained_in_p, walk_attr_value,
write_expr_attr_cache): Likewise.
* genconfig.c (walk_insn_part): Likewise.
* genemit.c (max_operand_1, gen_exp): Likewise.
* genextract.c (walk_rtx): Likewise.
* genflags.c (num_operands): Likewise.
* genoutput.c (scan_operands): Likewise.
* genpeep.c (match_rtx): Likewise.
* genrecog.c (add_to_sequence): Likewise.
* haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
Likewise.
* integrate.c (save_constants, copy_for_inline,
copy_rtx_and_substitute, subst_constants, restore_constants):
Likewise.
* jump.c (mark_jump_label, invert_exp, redirect_exp,
rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
* local-alloc.c (contains_replace_regs, memref_referenced_p):
Likewise.
* loop.c (record_excess_regs, rtx_equal_for_loop_p,
add_label_notes, replace_call_address, count_nonfixed_reads,
invariant_p, find_single_use_in_loop, find_mem_givs,
find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
Likewise.
* print-rtl.c (reg_names, print_rtx): Likewise.
* recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
* reg-stack.c (stack_regs_mentioned_p, record_label_references,
record_reg_life_pat, swap_rtx_condition, goto_block_pat,
print_blocks): Likewise.
* regclass.c (fix_register, record_address_regs,
reg_scan_mark_refs): Likewise.
* regmove.c (stable_but_for_p): Likewise.
* reload.c (loc_mentioned_in_p, operands_match_p,
find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
copy_replacements, refers_to_regno_for_reload_p,
refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
reload_when_needed_name, reg_class_names, debug_reload_to_stream):
Likewise.
* reload1.c (eliminate_regs, scan_paradoxical_subregs,
delete_address_reloads_1, count_occurrences,
reload_cse_mem_conflict_p, reload_combine_note_use,
add_auto_inc_notes): Likewise.
* resource.c (mark_referenced_resources, mark_set_resources):
Likewise.
* rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
reg_mentioned_p, regs_set_between_p, modified_between_p,
modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
* sched.c (sched_analyze_2, attach_deaths): Likewise.
* stupid.c (stupid_mark_refs): Likewise.
* unroll.c (remap_split_bivs): Likewise.
* varasm.c (mark_constants): Likewise.
* a29k/a29k.c (uses_local_reg_p): Likewise.
* alpha/alpha.c (summarize_insn): Likewise.
* arm/arm.c (symbol_mentioned_p, label_mentioned_p,
eliminate_lr2ip): Likewise.
* arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
* i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
reg_mentioned_in_mem): Likewise.
* ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
symbolic_reference_mentioned_p): Likewise.
* romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
* sh/sh.c (regs_used, mark_use): Likewise.
* vax/vax.c (vax_rtx_cost): Likewise.
From-SVN: r28784
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Include function.h in most files. Remove most of the global variables
duplicated in function.h. Add accessor macros for them which access
current_function. Delete INLINE_HEADER rtx and related code, replace
with code using struct function to store inlining related data.
From-SVN: r28626
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* reg-stack.c (change_stack) Fixed problem with negative array index.
From-SVN: r28570
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Mumit Khan <khan@xraylith.wisc.edu>
* reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
From-SVN: r27475
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* reg-stack.c: Do not emit pop insns after cc0 setter.
(emit_pop_insn): Do not emit insn in case WHEN is NULL.
(compare_for_stack_reg): Update REG_DEAD note and
do not emit push insn.
* i386.c: (output_float_compare): Handle new REG_DEAD notes.
From-SVN: r26965
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From-SVN: r26386
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* reg-stack.c: Update comment, include varray.h.
(stack_regs_mentioned_data): New global variable.
(check_stack_regs_mentioned): New function.
(stack_regs_mentioned): New function.
(reg_to_stack): Initialize and free stack_regs_mentioned_data,
use stack_regs_mentioned.
(record_asm_reg_life): Change insn type cache for changed insn.
(record_reg_life): Do not change the insn mode.
(emit_pop_insn): Likewise.
(emit_swap_insn): Likewise.
(move_for_stack_reg): Likewise.
(stack_reg_life_analysis): Use stack_regs_mentioned.
(emit_swap_insn): Likewise.
(subst_stack_regs): Likewise.
(convert_regs): Likewise.
* jump.c (find_cross_jump): Use stack_regs_mentioned.
* rtl.h (stack_regs_mentioned): Declare.
From-SVN: r26360
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splitters.
* i386.md (floatsisf2, floatdisf2, floatsidf2, floatdidf2,
floatsixf2, floatdixf2, movsicc, movhicc, movsfcc, movdfcc,
movxfcc, movdicc): Remove unused register constraints from
the splitters.
* i386.md (fixuns_truncsfsi2, fixuns_truncdfsi2,
fixuns_truncxfsi2): Delete.
* reg-stack.c (delete_insn_for_stacker): Ensure that
the only side effects of a PARALLEL are clobbers.
(subst_stack_regs): Handle subst_stack_regs_pat deleting
a PARALLEL.
* i386.md (extendsfdf2, extenddfxf2,
extendsfxf2): Rewrite using a splitter.
* i386.c (output_op_from_reg): Remove.
* i386.h: Likewise.
From-SVN: r26338
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explicit test for RETURN.
* reg-stack.c (stack_reg_life_analysis): Use returnjump_p
instead of an explicit test for RETURN.
From-SVN: r25652
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From-SVN: r25450
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conditional move is not on the FP register stack.
* reg-stack.c (subst_stack_regs_pat): Abort if the destination
of a FP conditional move is not on the FP register stack.
Forgot to check it in last night/this morning. One should not hack at 4am.
From-SVN: r24716
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* final.c (cleanup_subreg_operands): Delete some unused code.
* recog.h (MAX_RECOG_ALTERNATIVES): New macro.
(struct insn_alternative): New structure definition.
(recog_op_alt): Declare variable.
(preprocess_constraints): Declare function.
* recog.c (recog_op_alt): New variable.
(extract_insn): Verify number of alternatives is in range.
(preprocess_constraints): New function.
* reg-stack.c: Include recog.h.
(constrain_asm_operands): Delete.
(get_asm_operand_lengths): Delete.
(get_asm_operand_n_inputs): New function.
(record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
N_OUTPUTS args. All callers changed.
Compute number of inputs and outputs here by calling
get_asm_operand_n_inputs.
Instead of constrain_asm_operands, call extract_insn,
constrain_operands and preprocess_constaints. Use information
computed by these functions throughout.
(record_reg_life): Delete code that is unused due to changes in
record_asm_reg_life.
(subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
N_INPUTS and N_OUTPUTS args. All callers changed.
Similar changes as in record_asm_reg_life.
(subst_stack_regs): Move n_operands declaration into the if statement
where it's used.
Delete code that is unused due to changes in subst_asm_stack_regs.
* stmt.c (expand_asm_operands): Verify number of alternatives is in
range.
* Makefile.in (reg-stack.o): Depend on recog.h.
From-SVN: r24090
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Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
* flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
* gcc.c (add_preprocessor_option): Correct typo when allocating
memory, sizeof() argument had one too many `*'.
(add_assembler_option): Likewise.
(add_linker_option): Likewise.
* gcov.c (output_data): Likewise.
* local-alloc.c (memref_used_between_p): Likewise.
(update_equiv_regs): Likewise.
* loop.c (strength_reduce): Likewise.
* reg-stack.c (record_asm_reg_life): Likewise.
(subst_asm_stack_reg): Likewise.
* reorg.c (dbr_schedule): Likewise.
From-SVN: r22964
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has a single entry.
* reg-stack.c (straighten_stack): Do nothing if the virtual stack is
empty or has a single entry.
From-SVN: r22376
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destination for conditional move insn.
* reg-stack.c (subst_stack_regs_pat): Make sure the top of
stack is the destination for conditional move insn.
From-SVN: r20324
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Wed May 6 06:35:38 1998 Robert Lipe <robertl@dgii.com>
* toplev.h: New file. Protypes for functions in toplev.c.
* tree.h, rtl.h: Deleted protos for functions in toplev.c.
* c-common.c, c-convert.c, c-decl.c, c-iterate.c, c-lex.c,
c-parse.in, c-parse.y, c-pragma.c, c-typeck.c, calls.c,
convert.c, dwarf2out.c, except.c, expr.c, final.c, fold-const.c,
function.c, hash.c, profile.c, real.c, reg-stack.c, regclass.c,
reload.c, reload1.c, stmt.c, stor-layout.c, tlink.c, tree.c,
varasm.c: include it.
From-SVN: r19564
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* reg-stack.c: Revert last patch (Apr 20).
(convert_regs): Set insn to PREV_INSN (next) after do while loop.
From-SVN: r19437
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generated by this function.
* reg-stack.c (subst_asm_stack_regs): Change to return the last
new insn generated by this function.
(subst_stack_regs): Likewise.
(convert_regs): Record the last newly generated insn and use
it for change_stack () instead of INSN.
From-SVN: r19328
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* varasm.c (asm_output_bss): Add prototype.
(asm_output_aligned_bss): Likewise.
* unroll.c (verify_addresses): Add prototype.
* toplev.c: Add many prototypes. Too many to mention here.
* stmt.c (check_seenlabel): Add prototype.
* rtlanal.c (reg_set_p_1): Add prototype.
(reg_set_last_1): Likewise.
* reorg.c (find_dead_or_set_registers): Add prototype.
* regmove (try_auto_increment): Add prototype.
* regstack.c (pop_stack): Add prototype.
From-SVN: r19254
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* reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
no operands.
From-SVN: r19236
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for details.
* haifa-sched.c: Mirror recent changes from gcc2.
From-SVN: r18984
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* basic-block.h (basic_block_computed_jump_target): Declare.
* flags.h: (current_function_has_computed_jump): Declare.
* flow.c: (basic_block_computed_jump_target): Define.
(flow_analysis): Allocate it. Set current_function_has_computed_jump
to 0.
(find_basic_blocks): Set current_function_has_computed_jump and
elements of basic_block_computed_jump_target to 1 as appropriate.
* function.c: (current_function_has_computed_jump): Define.
* global.c (global_conflicts): Don't allocate pseudos into stack regs
at the start of a block that is reachable by a computed jump.
* reg-stack.c (stack_reg_life_analysis): If must restart, do so
immediately.
(subst_stack_regs): Undo change from Sep 4 1997.
(uses_reg_or_mem): Now unused, deleted.
* stupid.c (stupid_life_analysis): Compute
current_function_has_computed_jump.
(stupid_find_reg): Don't allocate stack regs if the function has a
computed goto.
* haifa-sched.c (is_cfg_nonregular): Delete code to determine if
the current function has a computed jump. Use the global value
instead.
Co-Authored-By: Jeffrey A Law <law@cygnus.com>
From-SVN: r18860
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* Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
on system.h.
* alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
xcoffout.c: Include system.h. Organize include ordering so
that stdarg/varargs comes before other system headers. Remove
spurious casts of functions assured of a prototype in system.h.
From-SVN: r18726
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From-SVN: r18723
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In gcc/:
* i386.h (RTX_COSTS): Insert braces around nested if.
(ADDITIONAL_REGISTER_NAMES): Insert braces around structured
elements.
* gcc.c (default_compilers): Properly put brackets around array elements in
initializer.
* getopt.c (_getopt_internal): Add explicit braces around nested if;
reformatted.
* reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
(record_reg_life_pat): Add explicit parens around && and || in expression.
(stack_reg_life_analysis): Add parens around assignment used as expression.
(convert_regs): Likewise.
In gcc/cp/:
* lang-specs.h: Properly put brackets around array elements in initializer.
* typeck.c (build_binary_op_nodefault): Correctly place parens around
&& and || in expression.
In gcc/f/:
* lang-specs.h: Properly put brackets around array elements in initializer.
From-SVN: r18500
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From-SVN: r17902
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* c-lang.c (finish_file): Bracket declaration of static_ctors,
static_dtors.
* calls.c (expand_call): Bracket declaration of 'rtx_before_call',
'old_stack_arg_under_construction'
(emit_library_call): Bracket declaration of 'upper_bound',
'lower_bound', 'i', 'reg_parm_stack_space'
(emit_library_call_value): Likewise.
(store_one_arg):
* collect2.c: include <unistd.h> when appropriate.
Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
* emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
* explow.c (plus_constant_for_output_wide): Remove unused variable
'code'.
(memory_address): Remove unused variable 'orig_x'.
* genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
(write_const_num_delay_slots): Remove unused variable 'i'.
* genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
(gen_insn): Remove unused variable 'obstack_ptr'.
* libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
'j', 'tmp', 'i'.
(__bb_exit_trace_func): Remove unused variable 'e'.
* optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
'funexp'.
(expand_unop): Remove unused variable 'funexp'.
(expand_complex_abs): Remove unused variable 'funexp'.
(init_optabs): Bracket declaration of 'j'.
(init_complex_libfuncs): Deleted. Dead static function.
* profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
* reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
(reg_to_stack): 'initialized', 'before_function_beg'
explictly type as ints instead of defaulting.
(emit_swap_insn): Remove unused variable 'i2'.
(compare_for_stack_reg): Remove unused variable 'src_note'.
* rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
* sched.c (actual_hazard): Bracket declaration of 'this_cost'.
* stmt.c (add_case_node): Add parens for assignment used as truth.
(all_cases_count): Remove unused variable 'count_high'.
(mark_seen_cases): Remove unused variable 'i'.
(check_for_full_enumeration_handling): Remove unused variable 't'.
Bracket declaration of 'all_values', 'l'.
* tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
* varasm.c (assemble_string): Remove unused variable 'i'.
(immed_double_const): Remove unused variable 'in_current_obstack'.
(immed_real_const_1): Likewise.
(output_constant_pool): Remove unreferenced label 'done'.
(output_constant): Remove unused variable 'x'.
* i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
a string.
* i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
as truth.
From-SVN: r17901
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* alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
* caller-save.c, calls.c, combine.c, cse.c: Likewise.
* dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
* final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
* halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
* profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
* reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
* unroll.c, varasm.c: Likewise.
* config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
From-SVN: r17357
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From-SVN: r16278
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From-SVN: r15655
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* jump.c (jmp_uses_reg_or_mem): Deleted unused function.
(find_basic_blocks): Use computed_jump_p to determine if a
particular JUMP_INSN is a computed jump.
* reg-stack.c (find_blocks): Use computed_jump_p to determine
if a particular JUMP_INSN is a computed jump.
* rtlanal.c (jmp_uses_reg_or_mem): New function.
(computed_jump_p): Likewise.
* rtl.h (computed_jump_p): Declare.
* genattrtab.c (pc_rtx): Define and initialize.
* loop.c (loop_optimize): Always determine if the current
function has a computed jump.
(indirect_jump_in_function_p): Use computed_jump_p to determine
if a particular JUMP_INSN is a computed jump.
General (and haifa) cleanups.
From-SVN: r15615
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which sets the same stack register.
* reg-stack.c (subst_stack_regs): Pop the stack register for a
computed goto which sets the same stack register.
* reg-stack.c (compare_for_stack_reg): Swap only if the source and
destination are both on the regstack.
(subst_stack_regs_pat): Put the destination at the top of the regstack.
Bring over regstack bugfixes from the FSF.
From-SVN: r15096
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From-SVN: r14024
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of using invalid aggregate initialization.
From-SVN: r13345
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From-SVN: r13113
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From-SVN: r12390
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Add prototypes for static functions.
(gen_jump, gen_movdf, gen_movxf): Delete redundant declarations.
(find_regno_note, emit_jump_insn_before, emit_label_after): Likewise.
(swap_rtx_condition): Now static.
From-SVN: r12046
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fp reg to memory.
From-SVN: r11564
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From-SVN: r11454
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From-SVN: r11254
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(record_reg_life): Call record_reg_life_pat with 0 for douse argument
so that USE's created to mark variables within blocks don't get marked
as set.
From-SVN: r9991
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From-SVN: r9964
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From-SVN: r9530
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From-SVN: r9460
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(FP_mode_reg): Trimmed to a smaller size, less overhead.
(FP_MODE_REG): New macro over which FP_mode_reg will be accessed.
(mark_regs_pat, straighten_stack): New functions.
(reg_to_stack): Amend initialisation of FP_mode_reg.
Mark FP registers mentioned in USE insns before NOTE_INSN_FUNCTION_BEG.
(get_true_reg): Eliminate FP subreg accesses in favour of the actual FP
register in use.
(record_reg_life_pat): Make it work on SUBREGs as well. Make use of the new
mark_regs_pat function. Handle USE insns if called unnested.
(record_reg_life): Don't check for QImode again, we know that it is there.
Process CALL_INSNs like all other insns, they might `use' some FP argument
registers if register passing.
(stack_result_p): Changed in stack_result and returning an rtx.
(stack_reg_life_analysis): Take a new stackentry state argument.
Use stack_result and the rtx to mark using mark_regs_pat. This ensures that
types that need multiple FP registers are handled correctly
Delete the no_live_regs shortcut to save space.
Use stackentry state to determine filled registers.
(replace_reg): Accept COMPLEX_FLOAT as well.
(move_for_stack_reg): Optimise away some pointer dereferencing.
(subst_stack_regs): Make sure the stack is in the right order and of the right
size for register passing.
(goto_block_pat): Make sure the stack is in the right order to return possible
multi-register values from the function.
(convert_regs): Fix comment about CALL_INSN, it's no longer valid.
Make sure the stack is of the right size and in the right order to return
possible multi-register values from the function.
From-SVN: r9459
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(BLOCK_NUM): Rework to avoid cast of abort to int *.
(find_blocks): Don't use BLOCK_NUM on lhs.
(reg_to_stack, record_arg_reg_life): Cast arg to bzero to char *.
From-SVN: r8392
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From-SVN: r8204
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NOTE_INSN_DELETED.
From-SVN: r8198
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