1 2000-04-12 Jakub Jelinek <jakub@redhat.com>
3 * objc/objc-act.c: Include ggc.h.
4 (objc_tree_index, objc_global_trees): Convert most of the
5 static tree variables into a static array with previous names
7 (objc_ellipsis_node): New variable.
8 (lang_init): Call objc_act_parse_init and c_parse_init.
9 Create objc_ellipsis_node.
10 (build_selector_translation_table): Use objc_ellipsis_node instead
12 (hack_method_prototype): Likewise.
13 (get_arg_type_list): Likewise.
14 (start_method_def): Likewise.
15 (continue_method_def): Likewise.
16 (gen_method_decl): Likewise.
17 (ggc_mark_imp_list): New function.
18 (ggc_mark_hash_table): New function.
19 (objc_act_parse_init): New function.
20 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
21 * c-parse.in (c_parse_init): For objc add roots of objc specific
23 * objc/objc-parse.y: Rebuilt.
24 * objc/objc-parse.c: Rebuilt.
25 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
27 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
29 * cse.c (delete_trivially_dead_insns): Also delete insns
30 that copy a register to itself where the destination is
33 2000-04-11 Richard Henderson <rth@cygnus.com>
35 * flow.c (struct propagate_block_info): Add new_dead, new_live.
36 (propagate_block): Initialize them. Use them in parallel instead
37 of one tmp variable, ie revert much of the 0408 and 0407 functional
38 changes, but keep the structural changes.
39 (mark_set_regs): Take new_dead from propagate_block_info instead.
40 (mark_set_1, mark_set_reg): Likewise.
41 (mark_used_regs): Likewise with new_live.
42 (mark_used_reg): Likewise. Revert 0408 change.
44 2000-04-11 Nick Clifton <nickc@cygnus.com>
46 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
48 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
50 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
52 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
53 const section to output a CONSTRUCTOR based on the same conditions
56 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
58 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
59 * pa/pa-protos.h (output_call): Add additional argument indicating
60 if the call is a sibling/tail call.
61 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
62 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
63 (function_arg, function_arg_partial_nregs): Likewise
64 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
65 (emit_move_sequence): Zero extend certain constants as needed
67 (compute_zdepdi_operands, output_64bit_and): New functions.
68 (output_64bit_ior, function_arg): Likewise.
69 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
70 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
71 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
72 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
73 (output_bvb): Likewise.
74 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
75 (output_call): New argument 'sibcall'. Generate sibcall sequences
77 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
78 (ouput_arg_descriptor): Do not emit argument descriptors for
80 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
82 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
83 (FUNCTION_OK_FOR_SIBALL): Define.
84 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
85 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
86 (CPP_SPEC): Use new spec infrastructure.
87 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
88 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
89 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
90 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
91 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
92 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
93 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
94 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
95 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
96 (FUNCTION_ARG); Call out to C code.
97 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
98 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
99 (MIN_UNITS_PER_WORD): Likewise.
100 * pa/pa.md (cmpdi): New expander.
101 (scc patterns, movstrsi): Not available for TARGET_64BIT.
102 (64bit conditional arithmetic): New patterns.
103 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
104 (movsicc): Not available if modes on all the operands to not match.
105 (movdicc): New expander and associated patterns.
106 (64bit branches): New patterns.
107 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
108 (pre_ldd, post_std): New patterns.
109 (64bit addil, load low part): New patterns.
110 (special movsf constant): Not available for TARGET_64BIT.
111 (movsf, movdf expanders): Force constants into memory.
112 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
113 (64bit movdf/movdi patterns): New patterns.
114 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
116 (extendqidi2, extendhidi2, extendsidi2): Similarly.
117 (adddi3 expander): Allow "arith_operand" for second input.
118 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
119 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
120 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
121 (muldi3): New expander for TARGET_64BIT.
122 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
124 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
125 patterns for TARGET_64BIT.
126 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
127 patterns for TARGET_64BIT.
128 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
129 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
130 (sibcall_epilogue): New expander.
131 (casesi): Tweak for TARGET_64BIT.
132 (call expanders): Set & use the outgoing argument pointer. Use the
133 64bit call patterns as needed. Add additional arg to output_call.
134 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
135 (sibcall, sibcall_internal_symref): New expanders.
136 (sibcall_value, sibcall_value_internal_symref
137 (interspace_jump): Turn into an expander + matching patterns.
138 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
139 * pa/pa64-regs.h: Eliminate trigraph sequences.
140 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
142 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
144 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
145 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
146 cpp_token with cpp_ttype everywhere.
147 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
148 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
149 CPP_BUF_COL. Line and column numbers are unsigned int, not
151 * cpplex.c (cpp_buf_line_and_col): Delete.
152 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
153 'long lineno' to 'unsigned int lineno'.
154 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
156 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
158 * extend.texi: ISO C99 is not a draft anymore.
159 * invoke.texi: ISO C++ is not a draft anymore.
160 * cpp.texi: __cplusplus is required by the ISO standard.
162 * extend.texi (-fthis-is-variable): Undocument.
163 * flags.h (warn_template_debugging): Remove declaration.
164 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
165 -Wenum-clash, -Wtemplate-debugging): Undocument.
167 2000-04-10 Nick Clifton <nickc@cygnus.com>
169 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
171 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
173 (ARM_SIGN_EXTEND): Use HOST_UINT.
174 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
175 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
176 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
177 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
179 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
180 (arm_gen_constant): Use HOST_UINT.
181 (arm_canonicalize_constant): Use HOST_UINT.
182 (arm_reload_in_hi): Use HOST_UINT.
183 (arm_reload_out_hi): Use HOST_UINT.
184 (output_multi_immediate): Use HOST_UINT.
185 (int_log2): Use HOST_UINT.
186 (arm_poke_function_name): Use HOST_UINT.
187 (arm_output_epilogue): Use arm_volatile_func().
188 (output_thumb_prologue): Use arm_strip_name_encoding().
190 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
192 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
193 of sequence point problems.
195 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
197 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
199 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
201 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
203 * sbitmap.h: Whitespace changes and use upper-case macro args.
204 (struct simple_bitmap_def): All sizes now unsigned.
205 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
206 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
207 (sbitmap_vector_alloc): Parms and local vars now unsigned.
208 (sbitmap_zero): Cast bzero arg to PTR.
209 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
210 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
211 loop to make structure clearer.
212 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
213 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
214 (sbitmap_a_and_b_or_c): Likewise.
215 (sbitmap_intersection_of_succs): Minor cleanups.
216 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
217 (sbitmap_union_of_preds): Likewise.
218 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
219 (debug_sbitmap): New function.
221 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
222 * c-typeck.c (convert_for_assignment): Likewise.
224 * expmed.c (init_expmed): Don't free objects we make.
225 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
227 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
228 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
230 * gcse.c (expr_hash_table_size): Now unsigned.
231 (compute_ae_gen): Local variable `i' now unsigned.
232 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
233 (compute_transout, hoist_code): Likewise.
234 (compute_local_properties): Likewise, also hash_table_size.
235 (alloc_expr_hash_table): N_INSNS now unsigned.
236 (delete_null_pointer_checks): Mark arg F as unused.
238 * regrename.c: Minor cleanups, including chang some variables
241 2000-04-10 Neil Booth <NeilB@earthling.net>
243 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
245 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
247 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
249 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
250 __classof__, and __headof__ from the list of gnu keywords.
251 (-ansi): Remove -foperator-names from list of implied options.
252 Do not call it ANSI C++.
253 (-foperator-names): Document as -fno-operator-names.
255 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
257 * cpphash.c (timestamp): Delete.
258 (del_HASHNODE): If type is T_MCONST, free value.cpval.
259 (special_symbol): Remove unnecessary braces. Remove
260 T_VERSION. Treat T_STDC like T_CONST unless
261 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
262 when one is encountered, then convert them into T_MCONST
264 * cppinit.c (builtin_array): version_string is T_MCONST.
265 __STDC__ has a "1" in its cpval. Don't have a terminator
266 entry. Clean up which entries are dumped.
267 (initialize_builtins): Only __STDC__ gets the special
268 -traditional treatment. Count the length of builtin_array.
269 Render version_string here.
270 * cpphash.h: Remove T_VERSION. Add T_MCONST.
271 * cpplib.h (struct cpp_reader): Remove timebuf.
273 2000-04-09 Richard Henderson <rth@cygnus.com>
275 * genrecog.c (pred): Update comparison_operator for the unordered
278 * config/i386/i386.c (no_comparison_operator): Disallow unordered
280 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
281 (uno_comparison_operator): New.
282 (put_condition_code): Handle UNORDERED/ORDERED.
283 (unsigned_comparison): Likewise.
284 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
285 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
286 (ix86_expand_fp_compare): Use them. Take scratch as argument,
287 update all callers. Handle all 8 unordered operators.
288 (ix86_expand_setcc): Lose the unordered argument, update all callers.
289 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
290 * config/i386/i386.h (PREDICATE_CODES): Update.
291 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
292 (ix86_expand_branch, ix86_expand_setcc): Update.
293 * config/i386/i386.md (sunordered, sordered): New.
294 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
295 (bunordered, bordered): New.
296 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
297 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
298 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
300 2000-04-09 Philip Blundell <philb@gnu.org>
302 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
304 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
306 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
307 fix_truncxfhi2): New patterns.
308 * i386.c (output_fix_trunc): Handle converting to HImode.
310 2000-04-08 Alex Samuel <samuel@codesourcery.com>
312 * ssa.c (convert_to_ssa): Eliminate dead code when calling
314 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
315 (for_each_successor_phi): Change parameter to basic_block.
316 (coalesce_regs_in_successor_phi_nodes): Likewise.
317 (coalesce_regs_in_copies): Likewise.
318 (compute_coalesced_reg_partition): Use basic_block instead of index.
319 * rtl.h (convert_to_ssa): Delete.
320 (convert_from_ssa): Likewise.
321 (successor_phi_fn): Likewise.
322 (for_each_successor_phi): Likewise.
323 (in_ssa_form): Likewise.
324 * basic-block.h (convert_to_ssa): Moved from rtl.h.
325 (convert_from_ssa): Likewise.
326 (successor_phi_fn): Likewise.
327 (in_ssa_form): Likewise.
328 (for_each_successor_phi): Likewise. Change parameter to basic_block.
329 * flow.c (calculate_global_regs_live): Pass a basic_block to
330 for_each_successor_phi.
332 2000-04-08 Richard Henderson <rth@cygnus.com>
334 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
335 was modified in the current insn.
337 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
339 * arm/thumb.md: Delete.
340 * arm/thumb-protos.h: Delete.
342 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
344 Merge changes from merged-arm-thumb-backend-branch onto trunk.
346 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
348 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
351 * arm.md (nop): Use the standard RTL expression. Don't code as a
353 (*arm_nop, *thumb_nop): Delete.
355 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
356 constants. Use casts instead.
357 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
358 output_multi_immediate, arm_poke_function_name): Likewise.
359 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
360 MASK_RETURN_ADDDR): Likewise.
362 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
364 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
367 * arm.md (eh_epilogue): New function.
368 * arm.h (struct machine_function): Move to here ...
369 * arm.c: ... from here.
370 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
371 (thumb_exit): Extra parameter eh_ofs. All callers changed.
372 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
374 2000-03-30 Nick Clifton <nickc@cygnus.com>
376 * config/arm/semi.h (ASM_SPEC): Restore definition.
377 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
379 * config/arm/elf.h (ASM_SPEC): Restore definition.
380 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
382 * config/arm/arm.h (ASM_SPEC): Remove definition.
383 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
385 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
387 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
389 2000-03-24 Nick Clifton <nickc@cygnus.com>
391 Various formating tidyups, elimination of compile time
392 warnings and synchronisation with internal sources:
394 * config/arm/arm-protos.h (assemble_align): Add prototype.
395 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
396 (gen_comapre_reg): Rename to arm_gen_compare_reg.
397 (arm_return_addr_rtx): Rename to arm_return_addr.
399 * config/arm/arm.c: Include except.h.
400 Define shorter typenames for strict minipool_node and struct
402 (arm_return_in_memory): For WinCE return all structures <= 32 bits
404 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
405 (gen_comapre_reg): Rename to arm_gen_compare_reg.
407 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
409 (ASM_SPEC): Define if not already defined.
410 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
412 * config/arm/arm.md: Rename references to gen_rotated_half_load to
413 arm_gen_rotated_half_load, and references to gen_comapre_reg to
415 (indirect_jump): Only accept register operands.
416 (load_indirect_jump): Keep this pattern since combine can generate
419 * config/arm/coff.h: Include aout.h.
420 (MULTILIB_DEFAULTS): Only define if not already defined.
422 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
423 into arm.h (so that COFF ports can support thumb based aliases).
424 (ASM_SPEC): Move definition into arm.h
426 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
428 (ASM_SPEC): Move definition to arm.h
430 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
432 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
433 for entries in the .bss section
435 2000-03-23 Nick Clifton <nickc@cygnus.com>
437 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
438 to thumb_far_jump_used_p.
440 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
441 single integer parameter.
443 * config/arm/arm.c (struct machine_function): Add two new
444 fields, 'far_jump_used' and 'arg_pointer_live'.
445 (thumb_far_jump_used_p): Once the decision has been made that
446 far jumps might be used, always return true.
447 If being called from the initial elimination offset macro then
448 do not bother to perform the test if the arg pointer is not
450 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
451 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
453 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
455 * arm.c (output_return_instruction): Handle more cases where we can
456 return from a function with an ldr instruction.
457 (arm_output_epilogue): Likewise.
459 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
460 if we need to push a large stack frame and there are no callee-saved
463 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
464 in ARM code if the frame pointer has been eliminated.
466 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
467 unspec_volatile arguments to avoid duplicates.
468 (consttable_1, consttable_2): Fixes for big-endian mode.
470 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
473 Re-write constant pool code.
474 * arm.c (minipool_node, minipool_fix): New types.
475 (minifix): Delete type.
476 (arm_add_minipool_constant): Delete.
477 (arm_compute_minipool_offsets, arm_find_barrier,
478 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
479 (get_jump_table_size): Now returns HOST_WIDE_INT.
480 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
482 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
483 (assign_minipool_offsets, arm_print_value): Likewise.
484 (dump_minipool): Rewrite.
485 (arm_barrier_cost): New function.
486 (create_fix_barrier): New function.
487 (push_minipool_barrier): New function.
488 (push_minipool_fix): Record additional information about the fixup
490 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
491 check the mode of what needs fixing.
492 (arm_reorg): Rewrite.
494 2000-03-08 Nick Clifton <nickc@cygnus.com>
496 * config/arm/arm.md (indirect_jump): Force constant addresses into
499 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
501 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
503 2000-02-24 Nick Clifton <nickc@cygnus.com>
505 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
506 adjust is word aligned.
507 (thumb_expand_epilogue): Make sure that stack adjust is word
510 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
512 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
514 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
515 pointer relative addresses.
517 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
519 * arm.c (find_barrier): Find the last barrier within the allowed
522 2000-02-09 Nick Clifton <nickc@cygnus.com>
524 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
526 2000-02-09 Nick Clifton <nickc@cygnus.com>
528 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
529 ARM_FUNCTION_PROFILER.
531 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
532 ARM_FUNCTION_PROFILER.
534 * config/arm/linux-oldld.h: Imported from mainline sources.
536 2000-02-07 Nick Clifton <nickc@cygnus.com>
538 * config/arm/lib1funcs.asm: Merge in thumb functions from
541 * config/arm/lib1thumb.asm: Delete.
543 2000-02-04 Nick Clifton <nickc@cygnus.com>
545 * config/arm/arm.c: Sychronised with current Red hat local
547 * config/arm/arm.h: Ditto.
548 * config/arm/arm-protos.h: Ditto.
550 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
552 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
554 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
557 2000-02-02 Nick Clifton <nickc@cygnus.com>
559 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
561 * config/arm/arm.md (epilogue): Fix rtl checking abort because
562 (return) was emited using an emit_insn() call.
564 2000-01-31 Nick Clifton <nickc@cygnus.com>
566 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
568 (thumb_exit): Move frame pointer back into hard frame pointer
569 register if backtracing is being used.
571 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
573 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
576 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
578 * config/arm/arm.md (neg_pool_offset): Provide default for new
580 (arm_movsi_insn): Add neg_pool_offset attribute.
581 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
582 rtx for the insn that starts the scan and an unsigned long for its
583 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
584 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
585 instructions in *PINSERTED.
586 (struct minipool_fixup): Add MIN_ADDRESS elt.
587 (sort_fixups): Compute it.
588 (arm_reorg): Changes to support inserting pools before the insn to be
591 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
593 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
594 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
595 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
597 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
599 * config/arm/semi.h (TARGET_VERSION): Do not define if already
601 (TARGET_DEFAULT): Do not define if already defined.
603 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
605 * config/arm/arm.md (anddi3): Allow disjoint source operands.
606 (iordi3): Allow disjoint source operands.
607 (xordi3): Allow disjoint source operands.
608 (negdi2): Permit construction for ARM and Thumb.
609 (arm_negdi2): Renamed version of old negdi2 pattern.
610 (thumb_negdi2): New pattern: Only permit non-overlapping
611 source and destination.
613 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
615 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
616 scratch low register so that it will not be deleted.
618 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
620 * config/arm/pe.h (ARM_PE): Define.
622 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
623 interfacearm attribute if this is a PE toolchain.
624 (output_return_instruction): Do not emit anything if the function
625 has the naked attribute set.
626 (is_called_in_ARM_mode): If the function has the interfacearm
627 attribute then return true.
628 (thumb_expand_prologue): Do not generate a prologue for naked
630 (thumb_expand_epilogue): Do not generate an epilogie for a naked
632 (output_thumb_prologue): Do not bother if the function is naked.
633 Strip PE encoding from function name before emitting.
635 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
637 * arm.md (pic_load_addr): Fix constraints.
639 * arm.md (casesi_insn): Fix mis-applied patch.
641 * arm.md ("core" function unit): Add rules for single- and
643 (All TARGET_THUMB patterns): Add "type" attribute information
645 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
646 the following insn is a CALL.
648 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
650 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
651 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
652 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
654 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
656 * config/arm/linux-gas.h: oops - this file was missed out when the
657 branch was created...
659 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
661 * thumb.c: Deleted. Move contents to ...
663 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
665 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
668 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
669 declare a prototype for asm_output_align();
671 * arm.c (thumb_condition_code): Delete.
672 (arm_print_operand): Always use arm_condition_code array.
674 * arm.c (thumb_return_addr_rtx): Delete.
675 (arm_save_machine_status, arm_restore_machine_status): Delete.
676 (arm_init_machine_status, arm_mark_machine_status): New functions.
677 (arm_init_expanders): Update accordingly.
678 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
679 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
680 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
682 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
684 * configure.in : Fix arm-*-aout target to use new t-arm-aout
686 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
689 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
691 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
692 stack backtrace structure.
694 * config/arm/arm-protos.h: Add prototypes for functions defined in
697 * config/arm/arm.c (arm_override_options): Fix selection of
698 attributes of default processor.
700 * config/arm/coff.h: Delete needless #include.
702 * config/arm/pe.c: Delete unused code.
704 * config/arm/pe.h (CPP_DEFINES): Delete
705 (SUBTARGET_CPP_SPEC): Define.
706 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
708 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
710 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
712 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
714 (CAN_DEBUG_WITHOUT_FP): Define.
715 (FIXED_REGISTERS): Make r11 call-saved.
716 (CALL_USED_REGISTERS): Likewise.
717 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
718 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
719 frame-pointer is required.
720 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
721 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
722 if the target normally needs a stack frame in non-leaf functions.
723 (use_return_insn): Correct logic for determining when a return
724 instruction can be used.
725 (output_return_instruction): Handle the frame-pointer register as
726 a normal register when not TARGET_APCS_FRAME.
727 (arm_output_prologue): Likewise.
728 (arm_output_epilogue): Likewise.
729 (output_func_epilogue): Likewise.
730 (arm_expand_prologue): Likewise.
731 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
733 * arm.c (use_return_insn): No need to check floating point regs if
735 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
736 the code of value stored in the minipool array.
737 (arm_add_minipool_constant): Likewise.
739 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
741 * basic-block.h (conflict_graph_enum_fn): K&R fix.
743 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
745 * tree.c (tree_expr_nonnegative_p): New function.
747 * tree.h (tree_expr_nonnegative_p): Declare.
749 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
750 elide some sign_compare warnings.
751 (build_conditional_expr): Likewise.
753 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
755 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
757 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
758 * i386.c (print_operand): Use the proper suffix for a 387 HImode
759 operand. Abort if a 387 operand has an unsupported size.
761 2000-04-08 Neil Booth <NeilB@earthling.net>
763 * cppexp.c (parse_charconst): Null does not end character
765 * cppinit.c (ISTABLE): Null character handled as whitespace.
766 * cpplex.c (null_warning): new function.
767 (skip_string): Emit warning if nulls encountered.
768 (_cpp_skip_hspace): Emit warning if nulls encountered.
769 (_cpp_lex_token): Emit warning if nulls encountered. Drop
773 2000-04-07 Richard Henderson <rth@cygnus.com>
775 * flow.c (loop_depth): Remove.
776 (reg_next_use, cc0_live, mem_set_list): Replace with ...
777 (struct propagate_block_info): New.
778 (life_analysis): Don't allocate reg_next_use.
779 (propagate_block_delete_insn): Break out of propagate_block.
780 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
781 (propagate_block_delete_libcall): Likewise.
782 (propagate_block): Create a propagate_block_info struct to pass
783 to subroutines. Allocate one not two temporary regsets. Don't
784 clobber memory for const calls. Look for clobbers in
785 CALL_INSN_FUNCTION_USAGE.
786 (mark_set_regs): Recognize COND_EXEC.
787 (mark_set_reg): Break out of mark_set_1.
788 (mark_used_reg): Break out of mark_used_regs.
789 (mark_used_regs): Recognize COND_EXEC.
790 (insn_dead_p): Use propagate_block_info struct.
791 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
792 (find_auto_inc, try_pre_increment_1): Likewise.
793 (print_rtl_with_bb): Dump regs live at end too.
794 (count_reg_sets_1): Pass in loop_depth.
795 (count_reg_sets, count_reg_references): Likewise.
796 (recompute_reg_usage): Provide it.
798 2000-04-07 Richard Henderson <rth@cygnus.com>
800 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
803 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
805 * cpplib.c (do_elif): Skip the rest of the line if we're
806 not going to bother evaluating it.
807 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
808 to avoid pointless calls to the lexer.
810 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
812 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
814 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
816 * calls.c (expand_call): emit_queue if we're trying a sibcall.
818 2000-04-07 Jakub Jelinek <jakub@redhat.com>
820 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
822 2000-04-06 Geoff Keating <geoffk@cygnus.com>
824 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
825 crtend so they can be multilibbed.
826 (STAGESTUFF): Remove s-crt and s-crtS.
828 2000-04-07 Richard Henderson <rth@cygnus.com>
830 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
831 if we discover we need a pseudo and no_new_pseudos is true.
832 * config/alpha/alpha.md (ne:DI insn): New.
833 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
835 2000-04-07 Richard Henderson <rth@cygnus.com>
837 * rtl.def (COND_EXEC): New.
838 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
839 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
841 * genconfig.c (have_cond_arith_flag): Remove.
842 (have_cond_exec_flag): New.
843 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
844 (main): Print HAVE_conditional_execution.
846 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
847 (sched_analyze_insn, print_pattern): Likewise.
848 * reload.c (find_equiv_reg): Likewise.
849 * rtlanal.c (reg_referenced_p): Likewise.
850 (note_stores, dead_or_set_regno_p): Likewise.
851 (reg_overlap_mentioned_p): Rewrite to use a switch.
853 * ggc.h (struct rtx_def): Forward declare.
855 * print-rtl.c (debug_rtx_range): New.
856 * rtl.h (debug_rtx_range): Declare.
858 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
860 * gcse.c (gcse_main): Don't rebuild the CFG here.
861 (delete_null_pointer_checks): Likewise.
862 * ssa.c (convert_to_ssa): Likewise.
863 * toplev.c (rest_of_compilation): Do it here instead. Combine
864 sequential calls to TIMEVAR. Consistently use `insns' instead of
865 `get_insns()'. Always split insns after reload when optimizing.
867 * basic-block.h (merge_blocks_nomove): Declare.
868 (tidy_fallthru_edge): Declare.
869 * flow.c (merge_blocks_nomove): Document as merging into previous
870 blocks. Remove cruft from between blocks; remove all edges out of A.
871 (tidy_fallthru_edge): Export.
873 2000-04-06 Alex Samuel <samuel@codesourcery.com>
875 * ssa.c (compute_conservative_reg_partition): Declare with
877 * toplev.c (clean_dump_file): Remove previously-deleted function
878 inadvertantly merged back in.
879 * conflict.c (conflict_graph_add): Use a single call to
880 htab_find_slot to look up and insert.
882 2000-04-06 Richard Henderson <rth@cygnus.com>
884 * genrecog.c (*): Rename _last_insn to last_insn.
885 (make_insn_sequence): Set the position of the peephole2 C test
886 to be at the last insn.
888 2000-04-06 Richard Henderson <rth@cygnus.com>
890 * flow.c (compute_flow_dominators): Free worklist.
892 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
894 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
896 2000-04-06 Alex Samuel <samuel@codesourcery.com>
898 * rtl.h (INSN_P): New macro.
899 (successor_phi_fn): New typedef.
900 (for_each_successor_phi): New prototype.
901 (in_ssa_form): New variable.
902 (PHI_NODE_P): Likewise.
903 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
904 phi nodes in successors.
905 (mark_used_regs): Add PHI case.
906 (set_phi_alternative_reg): New function.
907 (life_analysis): Assert that dead code elimination is not selected
909 * toplev.c (to_ssa_time): New variable.
910 (from_ssa_time): Likewise.
911 (compile_file): Zero to_ssa_time and from_ssa_time.
912 Print time to convert to and from SSA.
913 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
914 (print_time): Compute percent fraction as integer.
915 * ssa.c (PHI_NODE_P): Moved to rtl.h.
916 (convert_to_ssa): Check if we're already in SSA.
917 Don't eliminate dead code in life_analysis.
918 Rerun flow and life analysis at bottom.
919 (eliminate_phi): Use canonical regnos when adding nodes.
920 (mark_reg_in_phi): New function.
921 (mark_phi_and_copy_regs): Likewise.
922 (convert_from_ssa): Rerun life analysis at top.
923 Use coalesced partition.
924 Check for removing a phi node at the end of the block.
925 (compute_coalesced_reg_partition): New function.
926 (coalesce_regs_in_copies): Likewise.
927 (coalesce_reg_in_phi): Likewise.
928 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
929 (for_each_successor_phi): Likewise.
930 (rename_context): New struct.
931 (rename_block): Use a rename_context with rename_insn_1. When
932 renaming sets of a subreg, emit a copy of the entire reg first.
933 (rename_insn_1): Treat data as a rename_context *. Save current
935 (rename_set_data): Add field set_insn.
936 * Makefile.in (HASHTAB_H): Move up in file.
937 (OBSTACK_H): New macro.
938 (collect2.o): Use OBSTACK_H in dependencies.
939 (sdbout.o): Likewise.
940 (emit-rtl.o): Likewise.
941 (simplify-rtx.o): Likewise.
942 (fix-header.o): Likewise.
943 (OBJS): Add conflict.o.
944 (conflict.o): New rule.
945 * basic-block.h: Include partition.h.
946 (conflict_graph): New typedef.
947 (conflict_graph_enum_fn): Likewise.
948 (conflict_graph_new): New prototype.
949 (conflict_graph_delete): Likewise.
950 (conflict_graph_add): Likewise.
951 (conflict_graph_conflict_p): Likewise.
952 (conflict_graph_enum): Likewise.
953 (conflict_graph_merge_regs): Likewise.
954 (conflict_graph_print): Likewise.
955 (conflict_graph_compute): Likewise.
956 * conflict.c: New file.
958 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
960 * tlink.c (read_repo_files): Don't look for .rpo info for
963 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
965 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
967 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
969 * config/sh/lib1funcs.asm (___udivsi3_i4):
970 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
971 only depends on FMOVD_WORKS.
973 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
975 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
976 make double constant 8-byte aligned.
978 2000-04-06 Jakub Jelinek <jakub@redhat.com>
980 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
981 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
982 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
983 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
984 Accept storing GENERAL_REGS into offsetable memory.
985 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
986 building a TFmode constant other than 0.0L into GENERAL_REGS.
988 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
990 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
992 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
994 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
995 (macro_cleanup): No need to cast pbuf->macro.
996 (collect_expansion): Use _cpp_get_define_token. Goto done if
997 it returns VSPACE. Remove check for trailing space after
999 (_cpp_create_definition): Don't diddle flags here. Return
1001 (unsafe_chars): Handle c1 being EOF.
1002 (push_macro_expansion): Use unsafe_chars for both accidental-paste
1003 checks. Don't push the buffer till after we're done with
1005 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
1006 (PEEKN, FORWARD, GETC, PEEKC): Use them.
1007 (cpp_push_buffer): Don't set new->alimit. Set new->mark
1009 (_cpp_parse_assertion): Don't NUL terminate.
1010 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
1011 hspace before calling _cpp_parse_assertion. Remove all sets
1012 of only_seen_white. Treat '\f' as hspace. Don't do anything
1013 special with '\n' here.
1014 (maybe_macroexpand): Handle T_EMPTY hash entries without
1015 pushing a buffer at all.
1016 (cpp_get_token): Handle clearing only_seen_white here. Handle
1017 incrementing the line number here. Clear
1018 potential_control_macro as well as only_seen_white, if
1020 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
1021 (_cpp_get_define_token): New function, basically like
1022 _cpp_get_directive_token was but doesn't eat horizontal space.
1023 Don't do anything with only_seen_white here.
1024 (_cpp_get_directive_token): Just call _cpp_get_define_token
1025 repeatedly till it returns non-hspace.
1027 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
1028 (conditional_skip, skip_if_group): Return int.
1029 (DIRECTIVE_TABLE): Change origin of all conditional directives
1031 (TRAD_DIRECT_P): New macro.
1032 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
1033 an error for a bogus directive, unless -lang-asm. Use
1034 TRAD_DIRECT_P. Loop calling handler functions till one returns
1036 (get_macro_name): Don't diddle flags here.
1037 (do_define): Diddle flags here. Use _cpp_get_directive_token.
1038 Create T_EMPTY nodes for #define macro /* nothing */.
1039 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
1040 Use hp->name when calling pass_thru_directive.
1041 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
1042 Return the result of conditional_skip and/or skip_if_group.
1043 Don't call _cpp_output_line_command.
1044 (consider_directive_while_skipping): Use _cpp_get_directive_token.
1045 Issue -Wtraditional warnings as appropriate. Don't complain
1046 about unrecognized directives. If we are to stop skipping,
1047 return the number of the directive that ended the skip.
1048 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
1049 expansion and line commands while skipping. Return the result
1050 of consider_directive_while_skipping, if nonzero.
1051 (do_endif): Just set potential_control_macro here.
1052 (validate_else): Use _cpp_get_directive_token.
1053 (do_assert, do_unassert): Don't save pointers into the
1054 token_buffer across calls to the lexer. Use
1055 _cpp_get_directive_token.
1057 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
1058 pointer, not an offset. Replace 'data', which was a generic
1059 pointer, with 'macro', which points to a struct hashnode.
1060 (cpp_reader): Add 'potential_control_macro' pointer.
1061 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
1062 (CPP_BUF_GET, CPP_FORWARD): Delete.
1063 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
1064 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
1065 ACTIVE_MARK_P): Update.
1066 (_cpp_get_define_token): New internal function.
1067 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
1069 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
1071 * configure.in: And here.
1072 * configure: Regenerate.
1073 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
1074 --enable-libstdcxx-v3 is passed at configure time.
1075 * config.h.in: Regenerate.
1077 2000-04-05 Mark Mitchell <mark@codesourcery.com>
1079 * final.c (final): Use xcalloc to allocate line_note_exists.
1080 * function.c (free_after_compilation): Free the temp_slots.
1081 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
1082 (combine_temp_slot): Free temp_slots when they get combined.
1083 (purge_addressof): Fix typo in comment.
1084 * stmt.c (mark_goto_fixup): Mark the fixup itself.
1085 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
1087 * ggc.h: Include varray.h.
1088 (ggc_pending_trees): Declare.
1089 (ggc_mark_tree_children): Remove declaration.
1090 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
1091 * ggc-common.c (ggc_pending_trees): New variable.
1092 (ggc_mark_roots): Call ggc_mark_trees.
1093 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
1094 the ggc_pending_trees.
1095 * Makefile.in (GGC_H): New variable. Use it throughout in place
1098 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1100 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
1103 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1105 * sh.c (sh_insn_length_adjustment): New function.
1106 * sh-protos.h (sh_insn_length_adjustment): Declare.
1107 * sh.h (ADJUST_INSN_LENGTH): Use it.
1109 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
1111 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
1112 from the insn where REG_RETVAL is added.
1113 (emit_no_conflict_block): Ditto.
1115 * md.texi (Standard Names): Clarify when movX is needed.
1117 * combine.c (simplify_comparison) [MINUS]: Do not replace
1118 all (op (minus A B) 0) with (op A B).
1120 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
1121 J"orn Rennecke <amylaar@cygnus.co.uk>
1123 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
1124 (block_lump_real): Likewise.
1126 2000-04-05 Chris Demetriou <cgd@netbsd.org>
1128 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
1129 remaining non-zero debugging masks.
1131 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
1133 * basic-block.h (verify_flow_info): Declare.
1134 (flow_loop_outside_edge_p): Declare.
1135 * flow.c (verify_flow_info): Remove declaration.
1136 (clear_log_links, flow_loop_outside_edge_p): Likewise.
1138 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
1140 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
1143 2000-04-05 Jakub Jelinek <jakub@redhat.com>
1145 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
1146 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
1147 seqdi_zero_trunc+1): Allow splits only if registers are
1150 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
1152 * acconfig.h: Add HAVE_GAS_HIDDEN.
1153 * config.in: Regenerated.
1154 * configure.in: Add test for .hidden pseudo-op in gas.
1155 * configure: Regenerated.
1156 * crtstuff.c: Include auto-host.h.
1157 Emit additional .hidden pseudo-op for __dso_handle if the
1158 assembler knows about it.
1160 2000-04-04 Philippe De Muyter <phdm@macqel.be>
1162 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
1163 before freeing argnames.
1164 * cpplib.c (do_ifndef): Cast return value of xstrdup.
1166 2000-04-05 Michael Meissner <meissner@redhat.com>
1168 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
1169 Walton <jonboy@gordian.com> to make memory references with update
1170 work wtih -mregnames.
1172 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1174 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
1175 (regrename_optimize): Rename variables `def_uses' and
1176 `ext_basic_blocks' to avoid conflicts with similarly named
1177 typedefs in traditional C.
1179 * calls.c (initialize_argument_information): Fix typo in previous
1182 2000-04-04 Richard Henderson <rth@cygnus.com>
1184 * regrename.c (consider_available): Test fixed_regs not
1185 PIC_OFFSET_TABLE_REGNUM.
1187 2000-04-04 Geoff Keating <geoffk@cygnus.com>
1189 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
1191 (CRTSTUFF_T_CFLAGS_S): Delete definition.
1192 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
1193 (ENDFILE_LINUX_SPEC): Always use crtend.
1194 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
1195 (powerpc-*-linux-gnu): Likewise.
1196 * configure: Regenerate.
1198 * config/rs6000/eabi.h: Don't include sysv4.h.
1199 (MULTILIB_DEFAULTS): Don't define.
1200 * config/rs6000/eabiaix.h: Don't include eabi.h.
1201 * config/rs6000/eabile.h: Delete.
1202 * config/rs6000/eabilesim.h: Delete.
1203 * config/rs6000/eabisim.h: Don't include eabi.h.
1204 * config/rs6000/linux.h: Don't include sysv4.h.
1205 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
1206 (MULTILIB_DEFAULTS): Don't redefine.
1207 * config/rs6000/rtems.h: Don't include eabi.h.
1208 * config/rs6000/sol2.h: Don't include sysv4le.h.
1209 * config/rs6000/sysv4le.h: Don't include sysv4.h.
1210 * config/rs6000/t-ppc: Delete.
1211 * config/rs6000/t-ppcgas: Correct comment.
1212 * config/rs6000/t-ppcos: Correct comment. Don't build
1213 multilibs for -fPIC, rather use -fPIC -mstrict-align
1215 * config/rs6000/t-ppc: Delete.
1216 * config/rs6000/vxppc.h: Don't include sysv4.h.
1217 * config/rs6000/vxppcle.h: Delete.
1218 * configure.in: Use multiple header files for p2pc ELF targets
1219 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
1220 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
1221 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
1222 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
1223 always available for these platforms.
1225 2000-04-04 Richard Henderson <rth@cygnus.com>
1227 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
1229 2000-04-04 Stan Cox <scox@cygnus.com>
1231 * Makefile.in: Add rules for regrename.o
1232 * regrename.c: New file.
1233 * rtl.h (regrename_optimize): Add prototype.
1234 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
1235 (compile_file, decode_d_option): Add support for -frename-registers.
1236 (rest_of_compilation): Call regrename_optimize.
1237 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
1240 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1242 * Makefile (gccbug): New target.
1243 (doc): Depend on it.
1244 * gcc.texi (Bugs): Link subnodes.
1246 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
1247 Document severities, priorities, and classes in bug form.
1249 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
1251 * cpplex.c (trigraph_map, speccase): Combine into single
1253 (NORMAL, NONTRI): New macros.
1254 (_cpp_read_and_prescan): Change to use unified table. Use
1255 is_hspace to test for whitespace.
1257 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
1258 definition that doesn't provoke the "empty body in an
1259 if-statement" warning.
1261 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
1263 * builtins.c (expand_builtin_strlen): Force the source to
1264 be a memory address.
1266 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1268 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
1270 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1272 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
1273 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
1274 (ECF_IS_CONST): Rename to ECF_CONST.
1275 (special_function_p): Make static, change interface.
1276 (flags_from_decl_or_type, try_to_integrate): Break out from ...
1277 (expand_call) ... here; convert number of variables to flags.
1278 (emit_library_call_vlue_1): Likewise.
1279 (setjmp_call_p): New function.
1280 (initialize_argument_information): Accepts flags as argument;
1282 (precompute_arguments): Likewise.
1283 * tree.h (special_function_p): Remove.
1284 (setjmp_call_p): Add prototype.
1286 2000-04-04 Jakub Jelinek <jakub@redhat.com>
1288 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
1289 so that addresses are offsetable by up to 16 bytes.
1290 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
1291 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
1294 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
1295 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
1296 (movsf): Don't force any constant to memory if target is integer
1298 Move fp_zero_operand check below the const0_rtx check.
1299 (movtf): Likewise. Also allow fp_zero_operand for stores into
1301 (movdf): Likewise. Also allow fp_zero_operand for stores into
1302 memory and into integer hard registers.
1303 (clear_df, clear_dfp, movdf_const_intreg_sp32,
1304 movdf_const_intreg_sp64): Remove.
1305 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
1307 (movdf_no_e_insn_v9_sp32): New pattern.
1308 (movdf_insn_v9only): Remove.
1309 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
1310 (movdf_insn_sp64): Remove.
1311 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
1312 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
1313 (following splits): Rewrite conditions. Add two new splits
1314 for storing 0.0 into memory and registers.
1315 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
1316 (movtf_insn_sp32): Redo constraints and conditions.
1317 (movtf_insn_vis_sp32): New pattern.
1318 (movtf_no_e_insn_sp32): Redo constraints and conditions.
1319 (movtf_insn_hq_sp64): Likewise.
1320 (movtf_insn_hq_vis_sp64): New pattern.
1321 (movtf_insn_sp64): Redo constraints and conditions.
1322 (movtf_insn_vis_sp64): New pattern.
1323 (movtf_no_e_insn_sp64): Redo constraints and conditions.
1324 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
1326 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
1327 -mvis or -m64 to take down the number of various reload patterns.
1329 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
1331 * pa/pa-64.h: New file.
1332 * pa/pa64-regs.h: New file.
1333 * pa/pa64-start.h: New file.
1334 * pa/t-pa64: New file.
1335 * pa/xm-pa64hpux.h: New file.
1337 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1339 * sparc.c (output_restore_regs): Prototype.
1340 (sparc_emit_float_lib_cmp): Constification.
1342 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
1344 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
1347 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
1348 (get_value_hash, hash_rtx): Likewise.
1350 * ssa.c (compute_conservative_reg_partition): Prototype.
1352 * tree.c (mark_hash_entry): Prototype.
1354 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
1356 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
1357 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
1358 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
1360 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
1361 * objc/lang-specs.h: Likewise.
1363 2000-04-03 Neil Booth <NeilB@earthling.net>
1365 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
1366 and SYNTAX_ERROR2. Replace `' in messages with ''.
1367 (op_to_str): Make re-entrant.
1368 (_cpp_parse_expr): Implement new error macros. Use | rather
1369 than || to logically or 2 boolean integers. Simply expression
1370 checking we have a left operand iff needed.
1372 2000-04-03 Nick Clifton <nickc@cygnus.com>
1374 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
1376 2000-04-03 Philip Blundell <philb@gnu.org>
1378 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
1380 2000-04-03 Felix Lee <flee@cygnus.com>
1382 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
1383 (run_shell): Use it.
1385 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
1387 * Makefile.in (stmp-int-hdrs): Make include subdir here...
1388 (stmp-fixproto): ...rather than here.
1390 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
1392 * pa.c (print_operand): Compute 'base' only inside the code paths
1395 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
1397 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
1400 2000-04-03 Philipp Thomas <pthomas@suse.de>
1402 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
1404 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
1406 * Makefile.in (alias.o): Depend on $(TREE_H).
1408 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
1410 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
1412 * cpplib.c (_cpp_handle_directive): Improve warnings for
1413 traditional C and indented directives.
1415 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
1416 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
1417 fixinc/inclhack.def: Indent the # of #include_next one space.
1418 * cp/rtti.c: Un-indent #if and #endif.
1420 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
1421 syntax error, but an error has already been printed.
1422 * cpplex.c (_cpp_parse_assertion): Give a more specific error
1423 message when called with nothing remaining on the line.
1424 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
1425 OTHER token, not an ASSERTION.
1426 * cpplib.c (do_assert): When we create a 'base' node, clear
1427 its aschain pointer.
1429 2000-04-02 Neil Booth <NeilB@earthling.net>
1431 * cppexp.c: New typedef op_t. struct operation and struct
1432 token updated to use it.
1433 (op_to_str): New function.
1434 (_cpp_parse_expr): Error messages modified to use op_to_str.
1436 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1438 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
1439 before checking MUST_PASS_IN_STACK.
1441 2000-04-02 Neil Booth <NeilB@earthling.net>
1443 * cppexp.c: New FINISHED dummy token. Combine operator initial
1444 flags and initial priority into a single constant. New
1445 EQUALITY macro. New operator flag SHORT_CIRCUIT.
1446 (_parse_cpp_expr): Implement new constants. Take left operand
1447 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
1448 parse indicated by reducing FINISHED token. Remove new lines
1449 from cpp_error messages.
1451 2000-04-01 Mark Mitchell <mark@codesourcery.com>
1453 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
1456 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
1458 * cpplib.c: Include symcat.h. Add 'origin' field to struct
1459 directive. Add origin values to DIRECTIVE_TABLE. Generate
1460 the strings and function names on the fly. Take the #sccs
1461 entry out of the table if SCCS_DIRECTIVE is not defined.
1462 (_cpp_handle_directive): Decide if the # was at the beginning
1463 of the line here. Issue -pedantic warnings for extended
1464 directives here. Warn about K+R directives with the #
1465 indented, and C89/extended directives with the # not indented,
1467 (do_import, do_include_next, do_warning, do_ident, do_sccs,
1468 do_assert, do_unassert): Don't issue pedantic warning here.
1470 * cpphash.h: Add CPP_WTRADITIONAL macro.
1471 * cpplib.h (struct cpp_options): Rename warn_stringify to
1472 warn_traditional; update comments.
1473 * cppinit.c (handle_option): Set warn_traditional not
1475 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
1476 CPP_WTRADITIONAL (pfile).
1477 * cpplex.c (_cpp_lex_token): Don't decide if directives should
1478 be ignored in -traditional mode here.
1480 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
1481 to initialize speccase[] and trigraph_map[]. Delete all
1482 references to pfile->input_speccase. Always treat '?' as a
1483 special character. Remove table-initialization code from
1484 _cpp_init_input_buffer.
1486 * cpplib.h (struct cpp_reader): Remove input_speccase field.
1487 * cppinit.c (cpp_cleanup): Don't free input_speccase.
1489 2000-04-01 Richard Henderson <rth@cygnus.com>
1491 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
1492 (mostlyclean): Likewise.
1494 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
1495 (struct dump_file_info, enum dump_file_index, dump_file): New.
1496 (open_dump_file): Take a dump_file_index not a suffix, and a decl
1497 not a string. Clean out file if we havn't yet done so. Do nothing
1498 if the dump isn't enabled.
1499 (close_dump_file): Do nothing if the dump isn't open. Dump
1500 graph data if requested.
1501 (dump_rtl, clean_dump_file): Remove.
1502 (compile_file): Don't clean the dump files. Only finalize .bp dump
1503 if flag_test_coverage or flag_branch_probabilities. Only finalize
1504 .combine dump if optimizing. Iterate over dump_file to finalize the
1506 (rest_of_compilation): Update for open_dump_file/close_dump_file.
1507 Convert all uses of dump_rtl.
1508 (decode_d_option): Iterate over dump_file to implement 'a' and to
1509 locate pass-specific dumps.
1511 2000-04-01 Neil Booth <NeilB@earthling.net>
1513 * cppexp.c: Redefine priority constants.
1514 (_cpp_parse_expr): Replace left and right priority scheme with
1515 single priority logic. Move LOGICAL to same place as COMPARE.
1516 Remove bogus check for multiple unary +/- operators.
1518 2000-04-01 Neil Booth <NeilB@earthling.net>
1520 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
1521 within the switch statement. Binary operations break out of
1522 the switch naturally. '(' tokens handled by forcing
1523 immediate shift. ')' handled by forcing immediate reduce to
1524 the previous '('. New error messages.
1526 2000-03-31 Geoff Keating <geoffk@cygnus.com>
1528 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
1529 part', it's already in use. Use %K instead. Add a return at the
1530 end of what is now %K.
1531 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
1533 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1535 * builtins.c (expand_builtin_apply): Pass proper parameters to
1536 allocate_dynamic_stack_space.
1537 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
1538 update stack_pointer_delta; do not update arg_size_so_far.
1539 (compute_argument_block_size): Use stack_delta instead of
1540 stack_pointer_pending and arg_size_so_far.
1541 (expand_call): Add sanity checking for stack_pointer_delta;
1542 save and restore stack_pointer_delta for SIB, use
1543 stack_pointer_delta for alignment; do not update arg_space_so_far.
1544 (emit_library_call_value): Use stack_pointer_delta for alignment.
1545 (store_one_arg): Do not update arg_space_so_far.
1546 * explow.c (adjust_stack, anti_adjust_stack): Update
1547 stack_pointer_delta.
1548 (allocate_dynamic_stack_space): Add sanity checking for
1549 stack_pointer_delta.
1550 * expr.c (init_expr, clear_pending_stack_adjust): Clear
1551 stack_pointer_delta.
1552 (emit_push_insn): Update stack_pointer_delta.
1553 * function.h (struct expr_status): Add x_stack_pointer_delta;
1554 remove x_arg_space_so_far.
1555 (arg_space_so_far): Remove.
1556 (stack_pointer_delta): New macro.
1558 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
1560 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
1561 Reorder struct cpp_options and struct cpp_reader for better
1562 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
1563 takes two args. Change all 'char' flags to 'unsigned char'.
1564 Move show_column flag into struct cpp_options. Don't
1565 prototype cpp_options_init.
1566 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
1567 cppinit.c, cpplex.c, cpplib.c:
1568 Replace CPP_OPTIONS (pfile)->whatever with
1569 CPP_OPTION (pfile, whatever), and likewise for
1570 opts = CPP_OPTIONS (pfile); ... opts->whatever;
1572 * cppinit.c (merge_include_chains): Take a cpp_reader *.
1573 Extract CPP_OPTION (pfile, pending) and work with that
1575 (cpp_options_init): Delete.
1576 (cpp_reader_init): Turn on on-by-default options here.
1577 Allocate the pending structure here.
1578 (cl_options, enum opt_code): Define these from the same table,
1579 kept in a large macro. Add -fshow-column and -fno-show-column
1582 * cpperror.c (v_message): If show_column is off, don't print
1585 * cppmain.c: Update for new interface.
1586 * fix-header.c: Likewise.
1588 2000-03-30 Geoff Keating <geoffk@cygnus.com>
1590 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
1592 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
1593 are passed to any invocation of AR_FOR_TARGET.
1594 (AR_CREATE_FOR_TARGET): New macro.
1595 (AR_EXTRACT_FOR_TARGET): New macro.
1596 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
1597 AR_EXTRACT_FOR_TARGET.
1598 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
1599 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
1600 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
1601 AR_EXTRACT_FOR_TARGET to sub-makes.
1603 2000-03-31 Neil Booth <NeilB@earthling.net>
1605 * cppexp.c: Delete SKIP_OPERAND. Correct priority
1607 (_cpp_parse_expr): Check for multiple unary +/- operators.
1608 Correct priorities of ':' and '?'. Treat ')' as having a
1609 value. Ensure conditional expression is not void.
1611 2000-03-31 Mark Mitchell <mark@codesourcery.com>
1613 * alias.c (canon_rtx): Make it global.
1614 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
1616 * cse.c (struct table_elt): Add canon_exp.
1618 (invalidate): Canonicalize expressions only once.
1619 * rtl.h (canon_rtx): Declare.
1621 2000-03-30 Mark Mitchell <mark@codesourcery.com>
1623 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
1624 * alias.c (reg_known_value): Add comments.
1625 (init_alias_analysis): Likewise.
1626 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
1628 (cse_basic_block): Fix typo in comment.
1629 * emit-rtl.c: Include hashtab.h.
1630 (const_int_htab): New variable.
1631 (const_int_htab_hash): New function.
1632 (const_int_htab_eq): Likewise.
1633 (rtx_htab_mark_1): Likewise.
1634 (rtx_htab_mark): Likewise.
1635 (gen_rtx_CONST_INT): Cache all CONST_INTs.
1636 (unshare_all_rtx): Fix formatting.
1637 (init_emit_once): Initialize const_int_htab.
1638 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
1640 * rtl.texi: Document the fact that all CONST_INTs with the same
1643 2000-03-30 Richard Henderson <rth@cygnus.com>
1645 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
1647 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
1649 * configure.in: Comment out --enable-c-cpplib stanza.
1650 * configure: Regenerate.
1652 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1654 * expr.c (store_constructor): Properly compute displacement and
1655 alignment when offset is variable.
1657 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
1658 cases of alignment in bytes.
1660 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
1662 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
1663 since it is used to generate c-parse.y.
1664 * objc-parse.c, objc-parse.y: Regenerated.
1666 * function.c (expand_function_end): Pass alignment argument to
1667 emit_block_move in bits, not bytes.
1669 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1671 * expr.c (move_by_pieces_ninsns): Fix one more missing align
1674 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
1676 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
1677 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
1678 * function.c (assign_parms): Likewise.
1679 * integrate.c (expand_inline_function): Likewise.
1680 * stmt.c (expand_decl): Likewise.
1681 (copy_rtx_and_substitute): Likewise.
1682 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
1683 (clear_by_pieces): Fix error in last change.
1684 * emit-rtl.c (init_emit): Set known registers alignment in bits.
1685 * function.h (regno_pointer_align): Now unsigned.
1686 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
1688 * config/i386/i386.c (aligned_operand): Likewise.
1689 * config/sparc/sparc.c (mem_min_alignment): Likewise.
1690 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
1691 (unaligned_memory_operand): Likewise.
1692 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
1693 Also make alignments and sizes unsigned and some whitespace cleanup.
1694 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
1696 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
1697 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
1698 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
1699 (expand_builtin_memset): Likewise, but to clear_storage.
1700 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
1701 (restore_fixed_argument_area): Likewise.
1702 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
1703 (load_register_parameters): Likewise, to emit_group_load.
1704 (expand_call): Likewise, to emit_group_store and emit_block_move.
1705 (emit_library_call_value_1): Likewise, to emit_block_move.
1706 (store_one_arg): Likewise, and to emit_push_insn.
1707 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
1708 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
1709 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
1710 (emit_block_move, emit_group_load, emit_group_store): Likewise.
1711 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
1712 (expand_assigment, store_expr, store_constructor_field): Likewise.
1713 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
1714 (store_constructor, store_field, get_inner_reference): Likewise.
1715 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
1716 (expand_expr, case COMPONENT_REF): Likewise.
1717 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
1718 and positions; reindent code.
1719 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
1720 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
1721 (assign_parms): Likewise to emit_group_store.
1722 * optabs.c (prepare_cmp_insn): Alignment is in bits.
1723 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
1724 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
1725 (expand_return): Likewise to {extract,store}_bit_field.
1726 * stor-layout.c (get_mode_alignment): Minor cleanup.
1727 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
1728 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
1730 2000-03-29 Nick Clifton <nickc@cygnus.com>
1732 * config/arm/arm.h: Undo effects of previous delta:
1733 (ASM_SPEC): Do not define.
1734 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
1736 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
1739 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
1741 * cppinit.c (cpp_start_read): Call initialize_dependency_output
1742 only after reading in the primary source file.
1744 2000-03-29 Geoff Keating <geoffk@cygnus.com>
1746 * c-common.c (c_common_nodes_and_builtins): The first parameter to
1747 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
1748 or a reference to a va_list.
1749 * builtins.c (stabilize_va_list): Simplify now we don't have to
1750 work around C array address decay.
1751 * c-typeck.c (convert_for_assignment): Handle assignment to
1752 a reference parameter by taking the address of the RHS.
1753 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
1754 (va_copy): Likewise.
1755 (__va_copy): Likewise.
1756 * ginclude/varargs.h (va_start): Likewise.
1757 (__va_copy): Likewise.
1759 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
1761 * i386/djgpp.h: Remove extraneous "+".
1763 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
1765 * calls.c (expand_call): Fix typo in last change.
1767 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
1769 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
1772 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1774 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
1775 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
1776 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
1777 * tree.c (bit_position, byte_position): Likewise.
1778 * tree.h: Declare new functions.
1780 2000-03-29 Nick Clifton <nickc@cygnus.com>
1782 * config/arm/arm.c: Minor formatting changes/
1783 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
1785 (ASM_SPEC): Define if not already defined.
1787 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
1789 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
1792 2000-03-29 Jakub Jelinek <jakub@redhat.com>
1794 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
1795 value, don't output it as unsigned.
1797 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
1799 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
1801 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1803 * c-common.c (c_common_nodes_and_builtins): Don't special case
1804 cplus_mode when declaring builtin bzero/bcmp, always avoid
1805 prototype arguments.
1807 2000-03-29 Bruce Korb <bkorb@gnu.org>
1809 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
1812 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
1814 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
1815 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
1816 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
1817 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
1818 (save_fixed_argument_area, restore_fixed_argument_area):
1819 conditionize by #ifdef REG_PARM_STACK_SPACE only.
1820 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
1821 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
1822 (precompute_register_parameters): Avoid #ifdefs on
1823 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
1824 (stire_one_args): Likewise.
1825 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
1826 (emit_library_call_value_1): Likewise.
1827 (compute_argument_block_size): Align to STACK_BOUNDARY only for
1828 ACCUMULATE_OUTGOING_ARGS.
1829 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
1831 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
1832 (use_crosses_set_p): Likewise.
1833 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
1834 #define ACCUMULATE_OUTGOING_ARGS 1.
1835 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
1837 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
1839 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
1840 (TARGET_SWITCHES): Add push-args, no-push-args,
1841 accumulate-outgoing-args and no-accumulate-outgoing-args.
1842 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
1843 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
1844 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
1846 (emit_push_insn): Likewise.
1847 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
1848 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
1849 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
1850 (STACK_DYNAMIC_OFFSET): Define correctly for both
1851 ACCUMULATE_OUTGOING_ARGS and normal mode.
1852 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
1853 * tm.texi (PUSH_ARGS): Document.
1854 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
1856 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
1858 * flags.h (flag_optimize_sibling_calls): Declare.
1859 * calls.c (expand_call): Fail sibcall when
1860 !flag_optimize_sibling_calls
1861 * invoke.texi (flag_optimize_sibling_calls): Document.
1862 * toplev.c (flag_optimize_sibling_calls): New global variable.
1863 (f_options): Add flag_optimize_sibling_calls.
1864 (rest_of_compilation): Conditionize
1865 optimize_sibling_and_tail_recursive_calls by
1866 flag_optimize_sibling_calls.
1867 (main): Set flag_optimize_sibling_calls for -O2.
1868 * stmt.c (expand_return): Conditionize tail recursion by
1869 flag_optimize_sibling_calls.
1871 2000-03-29 Richard Henderson <rth@cygnus.com>
1873 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
1874 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
1876 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
1878 * except.c (add_eh_table_entry): Mark type_info's as referenced.
1880 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1882 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
1884 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
1885 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
1886 * config/rs6000/aix.h: then modified likewise.
1888 2000-03-28 Richard Henderson <rth@cygnus.com>
1890 * rtl.h: Redistribute enum reg_note documentation.
1891 Kill trailing whitespace.
1892 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
1893 Kill trailing whitespace.
1895 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
1897 * cppfiles.c (hash_IHASH): Just return i->hash.
1898 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
1899 htab_find_with_hash.
1900 (cpp_read_file): Likewise.
1901 (find_include_file): Likewise. Properly initialize
1902 ih->nshort. Share ih->name and ih->nshort if possible.
1903 * cpphash.c (_cpp_calc_hash): New function.
1904 (hash_HASHNODE): Just return h->hash.
1905 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
1906 htab_find_with_hash.
1907 * cpphash.h: Prototype _cpp_calc_hash.
1908 * cppinit.c (initialize_builtins): Provide a valid hash
1909 to _cpp_make_hashnode, using _cpp_calc_hash.
1911 * cpphash.c (collect_expansion): # is not a special character
1912 in object-like macros. In -traditional mode, /**/ is not
1913 token paste at the beginning or end of the line.
1914 * cpplib.c (do_include, do_import, do_include_next): If
1915 parse_include fails, return immediately.
1917 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
1919 * config/arm/arm.md (return peepholes): Update to reflect the new
1921 * config/arm/arm.c (arm_volatile_func): Also check
1922 current_function_nothrow.
1923 (output_return_instruction, output_func_prologue): Use it.
1924 (arm_output_epilogue, arm_expand_prologue): Likewise.
1926 2000-03-27 Tom Tromey <tromey@cygnus.com>
1928 * gcc.c (handle_braces): In {x*...} case, break out of loop if
1931 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1933 * expr.c (store_constructor): SIZE now signed.
1934 For EXPR_SIZE, don't evaluate size; just needed if constant.
1935 * fold-const.c (fold): Fix a number of cases when folded tree is
1937 * function.c (flush_addressof): Reenable.
1938 * tree.h (flush_addressof): Likewise.
1939 * toplev.c (independent_decode_option): Look at strings_processed.
1940 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
1942 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
1944 * sibcall.c (indentify_call_return_value): Find last call in the chain;
1945 Allow stack adjustment after function call.
1947 * regmove.c (struct csa_memlist): Make mem field rtx *.
1948 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
1949 (try_apply_stack_adjustment): Replace whole MEM rtx.
1950 (combine_stack_adjustments_for_block): Update calls
1951 to record_one_stack_ref.
1953 2000-03-28 Neil Booth <NeilB@earthling.net>
1955 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
1956 '\\' rather than a null character, so nulls are not special. Fix
1957 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
1958 speed trigraph conversion.
1959 (_cpp_init_input_buffer): Initialize trigraph map.
1961 2000-03-27 Alan Modra <alan@linuxcare.com.au>
1963 * config/i386/i386.c (output_387_binary_op): Correct intel
1964 mode assembly output, and add spaces after commas in AT&T
1965 output. Correct Unixware assembler comment. Document input
1966 constraints. Comment fp operations. Reduce profligate buffer
1967 size. Remove extraneous abort. Localize temp var.
1968 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
1969 (output_fix_trunc): Add spaces after commas in assembly output.
1971 2000-03-27 Richard Henderson <rth@cygnus.com>
1973 * i386-protos.h (ix86_match_ccmode): Declare.
1974 * i386.c (ix86_match_ccmode): New.
1975 (ix86_expand_fp_compare): Update for pattern renames.
1976 (ix86_expand_strlensi_unroll_1): Likewise.
1977 * i386.h (EXTRA_CC_MODES): Add CCZ.
1978 (SELECT_CC_MODE): Use it for EQ/NE zero.
1979 * i386.md (cmpsi_ccz_1): New.
1981 (*testsi_ccz_1): New.
1982 (testqi_ccz_1): New.
1983 (cmpsi_ccno_1): Rename from cmpsi_0.
1984 (testsi_ccno_1): Rename from testsi_1.
1985 (testqi_ccno_1): Rename from testqi_1.
1986 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
1987 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
1988 (*cmphi_0): Use ix86_match_ccmode.
1989 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
1990 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
1991 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
1992 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
1993 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
1994 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
1995 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
1996 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
1997 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
1998 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
1999 (appropriate peepholes): Likewise.
2000 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
2001 (*subsi_3, *subhi_3, *subqi_3): Remove.
2002 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
2003 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
2004 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
2005 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
2006 (x86_shift_adj_1): Use CCZ.
2007 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
2009 2000-03-27 Stan Cox <scox@cygnus.com>
2011 * resource.h (mark_resource_type): New.
2012 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
2013 find_free_register): Use mark_resource_type.
2014 (mark_set_resources): Change include_delayed_effects
2015 to mark_resource_type.
2016 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
2017 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
2018 Use mark_resource_type.
2020 2000-03-27 Richard Henderson <rth@cygnus.com>
2022 * i386.md (call_pop_0, call_value_pop_0): New.
2023 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
2024 (call_value_pop_1): Likewise.
2025 (call_0, call_value_0): New.
2026 (call_1, call_value_1): Remove constraint from unused arg.
2028 2000-03-27 Nick Clifton <nickc@cygnus.com>
2030 * invoke.texi (Spec Files): Document new spec % command created by
2031 Tom Tromey's recent patch.
2033 2000-03-27 Jakub Jelinek <jakub@redhat.com>
2035 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
2038 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2040 * expr.c (expand_assignment): Fix typo in last change.
2042 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
2044 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2046 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
2047 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
2048 and DECL_INLINE if FUNCTION_DECL.
2049 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
2050 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
2051 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
2052 (combine_parm_decls): Likewise.
2053 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
2054 * print-tree.c (print_node): Likewise.
2055 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
2056 DECL_TRANSPARENT_UNION on proper decl types.
2057 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
2058 * stor-layout.c (layout_decl): Only check DECL_PACKED and
2059 DECL_BIT_FIELD of FIELD_DECL.
2060 * tree.h (DECL_RESULT_FLD): New macro.
2062 * expr.c (expand_assignment): Add code to handle variable-sized
2065 2000-03-26 Richard Henderson <rth@cygnus.com>
2067 * calls.c (expand_call): Pass parms not original exp to
2068 optimize_tail_recursion. Mind return value instead of looking
2070 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
2071 call_expr. Move checks for call_expr and current_function_decl ...
2072 (expand_return): ... here.
2074 2000-03-26 Tom Tromey <tromey@cygnus.com>
2076 * gcc.c (handle_braces): Recognize `%{<S}' construct.
2077 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
2079 (process_command): Use them.
2080 (check_live_switch): Likewise.
2081 (give_switch): Skip ignored switches.
2083 2000-03-26 Jan Hubicka <jh@suse.cz>
2085 * jump.c (jump_optimize_1): Fix typo in elide optimizations
2086 for minimal jump pass test.
2088 2000-03-26 Mark Mitchell <mark@codesourcery.com>
2090 * integrate.c (function_cannot_inline_p): Do inline functions that
2093 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2095 * stor-layout.c (layout_type, set_sizetype): early_type_list is
2096 now a list of TREE_LIST entries, not types.
2097 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
2099 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
2100 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
2102 * config/mips/mips.c (function_arg): Likewise; also remove cast
2103 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
2104 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
2105 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
2106 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
2107 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
2108 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
2109 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
2110 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
2111 num_adjusts now unsigned.
2112 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
2113 * config/sparc/sparc.c (struct function_arg_record_value_parms):
2115 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
2116 as is BITPOS variable; use host_integerp and int_bit_position.
2117 (function_arg_record_value_2): Likewise.
2118 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
2119 Variable REGNO now unsigned.
2120 (function_arg_record_value): NREGS now unsigned.
2122 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2124 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
2126 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2128 * Rework fields used to describe positions of bitfields and
2129 modify sizes to be unsigned and use HOST_WIDE_INT.
2130 * alias.c (reg_known_value_size): Now unsigned.
2131 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
2132 (really_start_incremental_init): Use bitsize_zero_node.
2133 (push_init_level, pop_init_level, output_init_element): Likewise.
2134 Use bitsize_unit_node and bitsize_one_node.
2135 (output_pending_init_elements, process_init_element): Likewise.
2136 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
2137 (make_extraction): Position and length HOST_WIDE_INT and unsigned
2138 HOST_WIDE_INT, respectively.
2139 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
2140 (num_sign_bit_copies): Returns unsigned.
2141 BITWIDTH now unsigned; rework arithmetic.
2142 Remove recursive call from arg to MAX.
2143 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
2144 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
2146 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
2147 (find_split_point, expand_compound_operation, make_extraction): LEN
2148 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
2149 (make_field_assignment): Likewise.
2150 (combine_simplify_rtx): Add cast.
2151 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
2152 (force_to_mode): WIDTH now unsigned; add cast.
2153 (if_then_else_cond): SIZE now unsigned.
2154 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
2155 (extended_count): Now returns unsigned.
2156 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
2157 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
2158 (simplify_comparison): MODE_WIDTH now unsigned.
2159 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
2160 (mark_used_regs_combine): Likewise; rework arithmetic.
2161 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
2162 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
2163 (record_promoted_value): REGNO now unsigned.
2164 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
2165 (get_last_value): REGNO now unsigned.
2166 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
2167 (reg_dead_regno, reg_dead_endregno): Now unsigned.
2168 (remove_death): Arg REGNO now unsigned.
2169 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
2170 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
2172 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
2173 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
2174 (struct cse_reg_info): REGNO now unsigned.
2175 (cached_regno): Now unsigned.
2176 (REGNO_QTY_VALID_P): Add cast.
2177 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
2178 (remove_invalid_regs): Likewise.
2179 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
2180 as are variables END and I.
2181 (get_cse_reg_info, insert): Likewise.
2182 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
2183 (canon_hash): Likewise.
2184 (insert_regs, lookup_for_remove): REGNO now unsigned.
2185 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
2187 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
2188 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
2189 * emit-rtl.c (subreg_realpart_p): Add cast.
2190 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
2191 (operand_subword_force): Arg I is now unsigned.
2192 * except.c (eh_regs): Variable I is now unsigned.
2193 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
2194 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
2195 length is unsigned HOST_WIDE_INT; likewise for internal variables.
2196 (store_split_bit_field, extract_fixed_bit_field): Likewise.
2197 (extract_split_bit_field, store_bit_field, extract_bit_field):
2199 * expr.c (store_constructor_fields, store_constructor, store_field):
2200 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
2201 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
2202 (do_jump): Likewise.
2203 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
2204 MAX_SIZE is now unsigned.
2205 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
2206 (emit_group_store): Likewise.
2207 (emit_move_insn): I now unsigned.
2208 (store_constructor): Use host_integerp, tree_low_cst, and
2210 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
2211 Rework all calculations to use trees and new fields.
2212 * expr.h (promoted_input_arg): Regno now unsigned.
2213 (store_bit_field, extract_bit_field): Adjust types of pos and size.
2214 (mark_seen_cases): Arg is HOST_WIDE_INT.
2215 * flow.c (verify_wide_reg_1): REGNO now unsigned.
2216 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
2217 precisions and alignments are unsigned.
2218 (optimize_bit_field_compare, fold_truthop): Likewise.
2219 (int_const_binop): Adjust threshold for size_int_type_wide call.
2220 (fold_convert): Likewise.
2221 (size_int_type_wide): Make table larger and fix thinko that only
2222 had half of table used.
2223 (all_ones_mask_p, fold): Precisions are unsigned.
2224 * function.c (put_reg_info_stack): REGNO is unsigned.
2225 (instantiate_decl): Size is HOST_WIDE_INT.
2226 (instantiate_virtual_regs): I is unsigned.
2227 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
2228 (promoted_input_arg): REGNO is unsigned.
2229 * function.h (struct function): x_max_parm_reg is now unsigned.
2230 * gcse.c (max_gcse_regno): Now unsigned.
2231 (struct null_pointer_info): min_reg and max_reg now unsigned.
2232 (lookup_set, next_set): REGNO arg now unsigned.
2233 (compute_hash_table): REGNO and I now unsigned.
2234 (handle_avail_expr): regnum_for_replacing now unsigned.
2235 (cprop_insn): REGNO now unsigned.
2236 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
2237 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
2238 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
2239 * hard-reg-set.h (reg_class_size): Now unsigned.
2240 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
2241 * jump.c (mark_modified_reg): I now unsigned; add cast.
2242 (rtx_equal_for_thread_p): Add cast.
2243 * loop.c (max_reg_before_loop): Now unsigned.
2244 (struct_movable): REGNO now unsigned.
2245 (try_copy_prop): REGNO arg unsigned.
2246 (regs_match_p): XN and YN now unsigned.
2247 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
2248 (strength_reduce): Likewise; NREGS also unsigned.
2249 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
2250 * loop.h (struct iv_class): REGNO now unsigned.
2251 (max_reg_before_loop, first_increment_giv, last_increment_giv):
2253 * machmode.h (mode_size, mode_unit_size): Now unsigned.
2254 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
2255 * optabs.c (expand_binop): I and NWORDS now unsigned.
2256 (expand_unop): I now unsigned.
2257 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
2258 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
2259 * real.c (significand_size): Now returns unsigned.
2260 * real.h (significand_size): Likewise.
2261 * regclass.c (reg_class_size): Now unsigned.
2262 (choose_hard_reg_mode): Both operands now unsigned.
2263 (record_reg_classes): REGNO and NR now unsigned.
2264 (reg_scan): NREGS now unsigned.
2265 (reg_scan_update): old_max_regno now unsigned.
2266 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
2267 * reload.c (find_valid_class): BEST_SIZE now unsigned.
2268 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
2269 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
2270 Likewise for variable R.
2271 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
2272 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
2273 (find_equiv_reg): Add casts.
2274 (regno_clobbered_p): Arg REGNO now unsigned.
2275 * reload.h (struct reload): NREGS now unsigned.
2276 (refers_to_regno_for_reload_p): Regno args are unsigned.
2277 (regno_clobbered_p): Likewise.
2278 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
2279 (compute_use_by_pseudos): REGNO now unsigned.
2280 (find_reg): I and J now unsigned, new variable K, and change loop
2281 variables accordingly; THIS_NREGS now unsigned.
2282 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
2283 (spill_hard_reg): REGNO arg now unsigned; add casts.
2284 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
2285 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
2286 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
2287 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
2288 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
2289 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
2290 (emit_reload_insns): REGNO now unsigned.
2291 (reload_cse_move2add): Add cast.
2292 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
2294 * resource.c (mark_referenced_resources, mark_set_resources): New
2295 variable R; REGNO and LAST_REGNO now unsigned.
2296 (mark_target_live_regs): J and REGNO now unsigned.
2297 * rtl.c (mode_size, mode_unit_size): Now unsigned.
2298 * rtl.h (union rtunion_def): New field rtuint.
2299 (XCUINT): New macro.
2300 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
2301 (operand_subword, operand_subword_force): Word number is unsigned.
2302 (choose_hard_reg_mode): Operands are unsigned.
2303 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
2304 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
2305 (regno_use_in, combine_instructions, remove_death): Likewise.
2306 (reg_scan, reg_scan_update): Likewise.
2307 (extended_count): Return is unsigned.
2308 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
2309 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
2310 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
2311 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
2312 (reg_reg_last_1): FIRS and LAST now unsigned.
2313 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
2314 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
2316 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
2317 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
2318 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
2319 (replace_regs): Arg NREGS now unsigned.
2320 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
2321 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
2322 (simplify_binary_operation): Likewise.
2323 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
2324 THIS_LAST now unsigned.
2325 (cselib_record_set): Add cast.
2326 * ssa.c (ssa_max_reg_num): Now unsigned.
2327 (rename_block): REGNO now unsigned.
2328 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
2330 (all_cases_count): Just return -1 not -2.
2331 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
2332 Rework tests to use trees whenever possible.
2333 Use host_integerp and tree_low_cst.
2334 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
2335 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
2336 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
2337 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
2338 (smallest_mode_for_size): Likewise.
2339 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
2340 KNOWN_ALIGN is now an alignment, so simplify code.
2341 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
2342 (start_record_layout): Renamed from new_record_layout_info.
2343 Update to new fields.
2344 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
2346 (place_union_field): Renamed from layout_union_field.
2347 Update to use new fields in rli.
2348 (place_field): Renamed from layout_field.
2349 Major rewrite to use new fields in rli; pass alignment to layout_decl.
2350 (finalize_record_size): Rework to use new fields in rli and handle
2352 (compute_record_mode): Rework to simplify and to use new DECL fields.
2353 (finalize_type_size): Make rounding more consistent.
2354 (finish_union_layout): Deleted.
2355 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
2356 (layout_type, case RECORD_TYPE): Call new function names.
2357 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
2358 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
2359 (get_best_mode): UNIT is now unsigned; remove casts.
2360 * tree.c (bit_position): Compute from new fields.
2361 (byte_position, int_byte_position): New functions.
2362 (print_type_hash_statistics): Cast to remove warning.
2363 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
2364 (build_index_type): Likewise; make subtype of sizetype.
2365 (build_index_2_type): Pass sizetype to build_range_type.
2366 (build_common_tree_nodes): Use size_int and bitsize_int to
2367 initialize nodes; add bitsize_{zero,one,unit}_node.
2368 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
2369 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
2370 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
2371 (DECL_FIELD_BITPOS): Deleted.
2372 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
2373 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
2374 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
2375 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
2376 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
2377 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
2378 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
2379 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
2380 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
2381 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
2382 (DECL_ALIGN): Adjust to new field in union.
2383 (DECL_OFFSET_ALIGN): New field.
2384 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
2385 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
2386 (union tree_decl): Add struct for both aligns.
2387 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
2388 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
2389 (struct record_layout_info): Rework fields to have offset
2390 alignment and byte and bit position.
2391 (start_record_layout, place_field): Renamed from old names.
2392 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
2393 (byte_position, int_byte_position): Likewise.
2394 (get_inner_reference): Change types of position and length.
2395 * unroll.c (unroll_loop): New variable R; use for some loops.
2396 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
2397 (calculate_giv_inc): Arg REGNO now unsigned.
2398 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
2399 * varasm.c (assemble_variable): Clean up handling of size using
2400 host_integerp and tree_low_cst.
2401 (decode_addr_const): Use byte, not bit, position.
2402 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
2403 use tree_low_cst and int_bit_position.
2404 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
2406 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
2408 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
2409 (reorder_block_def): New members eff_head and eff_end.
2410 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
2411 (verify_insn_chain): New function.
2412 (skip_insns_between_block): Add code to skip deleted insns.
2413 Check for note before using.
2414 (chain_reorder_blocks): Replace calls to skip_insns_between_block
2415 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
2416 Check for note before using.
2417 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
2418 (fixup_reorder_chain): Restructure, clean up, defect removal.
2419 (reorder_basic_blocks): Remove last_insn and references to it.
2420 Moved insn chain verification code into a new function (see above).
2421 Delete defective code that sets last insn.
2422 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
2425 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2427 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
2429 2000-03-24 Richard Henderson <rth@cygnus.com>
2431 * tree.c (lang_safe_for_unsave): Remove.
2432 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
2433 allowing for two levels of unsafeness. Remove lang hook.
2434 * tree.h: Update declarations.
2435 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
2436 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
2437 Always fail sibcalls when there are pending cleanups.
2439 2000-03-24 Geoff Keating <geoffk@cygnus.com>
2441 * flow.c (propagate_block): When we delete an ADDR_VEC,
2442 also delete the BARRIER following it if there is one.
2444 2000-03-24 Richard Henderson <rth@cygnus.com>
2446 * builtins.c (expand_builtin_bzero): Convert `length' argument
2449 2000-03-24 Jakub Jelinek <jakub@redhat.com>
2451 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
2452 comparison if regno's are equal.
2453 * calls.c (initialize_argument_informat): Add ecf_flags argument.
2454 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2455 (expand_call): Update caller.
2456 Avoid making a sibling call if argument size of the callee is larger
2457 than argument size of the caller.
2458 Call hard_function_value with outgoing set if in sibcall pass.
2459 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2461 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
2462 Change LEAF_REGISTERS from an array initializer to actual array
2463 identifier. Move static global variable into the function.
2464 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
2465 sequences for leaf functions.
2466 * global.c (global_alloc): Likewise.
2467 * tm.texi (LEAF_REGISTERS): Update documentation.
2469 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
2470 TARGET_FLAT leaf disabling hack.
2471 (LEAF_REGISTERS): Changed from an array initializer to actual array
2472 identifier to avoid duplication and remove the above hack.
2473 (FUNCTION_OK_FOR_SIBCALL): Define.
2474 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
2475 always like call attribute.
2476 (eligible_for_sibcall_delay): New attribute.
2477 (sibcall): New delay type.
2478 (sibcall, sibcall_value, sibcall_epilogue): New expands.
2479 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
2480 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
2481 * config/sparc/sparc.c (sparc_leaf_regs): New array.
2482 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
2484 (output_function_epilogue): Move part of the code into
2485 output_restore_regs.
2486 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
2488 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
2491 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
2492 until infrastructure is finished.
2494 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
2496 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
2497 (save_parm_insns): Not here.
2499 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2501 * builtins.c (expand_builtin_bzero): New function.
2502 (expand_builtin): Handle bzero.
2504 * builtins.def: Add BUILT_IN_BZERO.
2506 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2507 prototype & function for bzero.
2509 2000-03-23 Michael Meissner <meissner@redhat.com>
2511 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
2512 change adding TARGET_FP to the TF floating point insns, except for
2513 trunctfsf2, which generates direct calls to truncdfsf2.
2515 2000-03-23 Geoff Keating <geoffk@cygnus.com>
2517 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
2518 try to protect against middle-end changes that break binary
2520 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
2522 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2524 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
2526 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2528 * calls.c (expand_call): If TARGET is passed by reference and
2529 is readonly, write a CLOBBER.
2531 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2533 * builtins.c (expand_builtin): Handle bcmp.
2535 * builtins.def: Add BUILT_IN_BCMP.
2537 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2538 prototype & function for bcmp.
2540 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
2542 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
2543 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
2544 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
2546 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
2548 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
2549 alternative when using -fp64 -gp32.
2551 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2553 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
2554 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
2555 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
2557 * frame.h (frame_state): Revert last change.
2558 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
2559 * libgcc2.c (throw_helper): Revert last change.
2561 2000-03-22 Richard Henderson <rth@cygnus.com>
2563 * stmt.c (expand_asm_operands): Don't promote the temporary.
2565 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2567 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
2568 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
2569 c_get_alias_set): Likewise.
2570 * c-decl.c (duplicate_decls): Likewise.
2571 * c-typeck.c (default_conversion,build_unary_op): Likewise.
2572 * calls.c (initialize_argument_information): Likewise.
2573 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
2575 * dwarfout.c (decl_class_context,output_type): Likewise.
2576 * expr.c (get_inner_reference): Likewise.
2577 * fold-const.c (simple_operand_p,fold): Likewise.
2578 * function.c (aggregate_value_p): Likewise.
2579 * stmt.c (expand_asm_operands): Likewise.
2580 * varasm.c (named_section): Likewise.
2582 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2584 Implement dwarf2 exception handling for the ARM.
2585 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
2586 (DWARF_FRAME_RETURN_COLUMN): Define.
2587 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
2588 REG_FRAME_RELATED_EXPR note.
2589 (emit_sfm): Likewise.
2590 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
2591 * dwarf2out.c (reg_save): Handle saving a register to itself.
2592 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
2593 * except.c (eh_regs): Don't use the static chain reg if it's
2595 * frame.h (frame_state): Add cfa_saved field.
2596 * frame.c (execute_cfa_insn): Set it.
2597 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
2599 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
2601 (instantiate_virtual_regs): Adjust.
2603 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2604 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2605 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
2607 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
2608 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
2610 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2612 * builtins.def: New file.
2614 * Makefile.in (TREE_H): Depend on builtins.def.
2616 * builtins.c (built_in_names): Use builtins.def.
2618 * tree.h (built_in_function): Likewise.
2620 2000-03-22 Mark Mitchell <mark@codesourcery.com>
2622 * tree.c (size_in_bytes): Return size_zero_node, not
2625 2000-03-22 Geoff Keating <geoffk@cygnus.com>
2627 * config/fp-bit.c (pack_d): Correct the case when a denormal
2628 is rounded up and stops being denormal.
2630 2000-03-21 Richard Henderson <rth@cygnus.com>
2632 * config/alpha/alpha.c (function_arg): Check for void_type_node
2633 before using MUST_PASS_IN_STACK.
2635 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
2637 * regmove.c (combine_stack_adjustments_for_block): Check that
2638 the stack pointer is a valid memory address.
2640 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
2642 * calls.c: re-install Mar 16 emit_library_call merge.
2644 2000-03-21 Jakub Jelinek <jakub@redhat.com>
2646 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
2647 we cannot be sure that if reload_completed base register will
2648 be properly aligned.
2650 2000-03-21 Richard Henderson <rth@cygnus.com>
2652 * flow.c (delete_block): Fix typo last change.
2654 2000-03-21 Mark Mitchell <mark@codesourcery.com>
2656 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
2657 not COMPLETE_TYPE_P, to check the type of the expression.
2659 2000-03-21 Michael Meissner <meissner@redhat.com>
2661 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
2662 all floating point insns that just tested the macro
2663 TARGET_HAS_XFLOATING_LIBS.
2664 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
2665 used to only use the gprs.
2667 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
2669 * tree.h (COMPLETE_TYPE_P): New macro.
2670 (COMPLETE_OR_VOID_TYPE_P): New macro.
2671 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
2672 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
2673 * c-aux-info.c (gen_type): Use them.
2674 * c-common.c (c_expand_expr_stmt): Likewise.
2675 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
2676 grokdeclarator, grokparms, finish_struct, start_function,
2677 store_parm_decls, combine_parm_decls): Likewise.
2678 * c-parse.y (cast_expr): Likewise.
2679 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
2680 c_size_in_bytes, c_alignof, build_component_ref,
2681 build_indirect_ref, build_array_ref, convert_arguments,
2682 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
2683 * calls.c (initialize_argument_information): Likewise.
2684 * convert.c (convert_to_integer): Likewise.
2685 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
2686 * dwarfout.c (location_or_const_value_attribute,
2687 output_enumeration_type_die, output_structure_type_die,
2688 output_union_type_die, output_type): Likewise.
2689 * expr.c (safe_from_p, expand_expr): Likewise.
2690 * function.c (assign_parms): Likewise.
2691 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
2692 * tree.c (build_array_type, build_function_type,
2693 build_method_type, build_offset_type, build_complex_type): Likewise.
2694 * c-parse.c, c-parse.h: Regenerated.
2696 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2698 * config/c4x/rtems.h: Include config/rtems.h.
2700 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
2702 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
2703 decl is a FUNCTION_DECL
2705 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
2707 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
2708 function uses output registers. Don't save RP for leaf functions.
2709 Do save RP even if no epilogue.
2710 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
2711 (CALL_USED_REGISTERS): Unmark in registers.
2712 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
2715 2000-03-20 Geoff Keating <geoffk@cygnus.com>
2717 * config/rs6000/rs6000.md (bunordered): New expander.
2718 (bordered): New expander.
2719 (buneq): New expander.
2720 (bunge): New expander.
2721 (bungt): New expander.
2722 (bunle): New expander.
2723 (bunlt): New expander.
2724 (bltgt): New expander.
2726 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
2727 (ccr_bit_negated_p): New function.
2728 (print_operand): For %C, generate appropriate cror for UNEQ,
2729 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
2731 2000-03-20 Andreas Jaeger <aj@suse.de>
2733 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
2736 * tree.h (safe_for_unsave): Prototype.
2738 2000-03-20 Richard Henderson <rth@cygnus.com>
2740 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
2741 (combine_stack_adjustments_for_block): Don't allow sp references
2742 in the side of a set we're not fixing up.
2743 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
2744 after life_analysis.
2746 2000-03-20 Richard Henderson <rth@cygnus.com>
2748 * calls.c (expand_call): Don't bother generating tail call
2749 sequences if there are pending cleanups. Use
2750 expand_start_target_temps/expand_end_target_temps to elide
2751 cleanups created during sibcall expansion.
2753 2000-03-20 Geoff Keating <geoffk@cygnus.com>
2755 * configure.in: Set $IFS to a value if it doesn't already have one
2756 in the --enable-checking handling.
2757 * configure: Regenerate.
2759 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2761 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
2762 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2765 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
2767 * jump.c (delete_noop_moves): Remove code attempting to
2768 combine stack adjustments.
2770 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2772 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
2773 * except.c (emit_cleanup_handler): Use them.
2774 (expand_end_all_catch): Likewise.
2775 * function.c (fixup_var_refs): Likewise.
2776 (expand_function_end): Clear catch_clauses_last.
2777 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
2778 * except.h (struct eh_status): New field x_catch_clauses_last.
2779 (catch_clauses_last): New define.
2781 * Makefile.in (tree.o): Depend on HASHTAB_H.
2782 * tree.c: Include hashtab.h.
2783 (struct type_hash): Remove next field.
2784 (TYPE_HASH_SIZE): Remove.
2785 (TYPE_HASH_INITIAL_SIZE): New define.
2786 (type_hash_table): Change type to htab_t.
2787 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
2788 mark_hash_entry): New functions.
2789 (init_obstacks): Allocate type hash.
2790 (type_hash_lookup): Use htab functions.
2791 (type_hash_add, mark_type_hash): Likewise.
2792 (dump_tree_statistics): Call print_type_hash_statistics.
2794 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2796 * rs6000/t-aix41: New file.
2798 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
2800 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
2802 * tm.texi (Driver): Fix typos and tweak entry for
2804 Move misplaced STRUCT_FORCE_BLK entry ...
2805 (Storage Layout): ... to here.
2806 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
2808 2000-03-19 Richard Henderson <rth@cygnus.com>
2810 * flow.c (delete_block): Delete the addr_vec along with the block.
2811 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
2814 * fold-const.c (extract_muldiv): Apply type check for defined
2815 overflow to multiply as well as divide.
2817 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
2819 2000-03-18 Mark Mitchell <mark@codesourcery.com>
2821 * emit-rtl.c (remove_unncessary_notes): Check that all
2822 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
2823 associated NOTE_BLOCK.
2824 * function.h (identify_blocks): Update comments.
2825 (reorder_blocks): Declare.
2826 * function.c (identify_blocks): Don't take paramters.
2827 (reorder_blocks): Don't take parameters.
2828 * loop.h (find_loop_tree_blocks): Remove.
2829 (unroll_block_trees): Likewise.
2830 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
2831 reorder_blocks instead of unroll_block_trees.h
2832 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
2833 * stmt.c (find_loop_tree_blocks): Remove.
2834 (unroll_block_trees): Likewise.
2835 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
2836 in whole-function mode.
2837 * tree.h (reorder_blocks): Remove declaration.
2839 * expr.c: Include intl.h.
2840 * Makefile.in (expr.o): Depend on intl.h.
2842 2000-03-18 Richard Henderson <rth@cygnus.com>
2844 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
2846 2000-03-18 Mark Mitchell <mark@codesourcery.com>
2848 * tree.h (tree_index): Remove enumerals for integer types.
2849 (integer_type_kind): New type.
2850 (integer_types): New variable.
2851 (char_type_node): Adjust.
2852 (signed_char_type_node): Likewise.
2853 (unsigned_char_type_node): Likewise.
2854 (short_integer_type_node): Likewise.
2855 (short_unsigned_type_node): Likewise.
2856 (integer_type_node): Likewise.
2857 (unsigned_type_node): Likewise.
2858 (long_integer_type_node): Likewise.
2859 (long_unsigned_type_node): Likewise.
2860 (long_long_integer_type_node): Likewise.
2861 (long_long_unsigned_type_node): Likewise.
2862 * tree.c (integer_types): New variable.
2863 (init_obstacks): Register it as a root.
2865 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
2867 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
2868 NEXT_INSN. Update last insn in chain.
2870 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
2872 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
2873 with TYPE_DECL_SUPPRESS_DEBUG set.
2875 2000-03-18 Richard Henderson <rth@cygnus.com>
2877 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
2879 2000-03-18 Richard Henderson <rth@cygnus.com>
2881 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
2882 care for HALF_PIC_P.
2883 (expander_call_insn_operand): Remove.
2884 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
2885 * i386.h (PREDICATE_CODES): Update.
2886 * i386.md (all call expanders): Remove predicates, remove special
2887 handling for half-pic.
2888 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
2889 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
2890 (sibcall_epilogue): New.
2892 2000-03-17 Richard Henderson <rth@cygnus.com>
2894 * rtlanal.c (single_set): Reject if the parallel has anything
2895 except SET or USE or CLOBBER.
2897 2000-03-17 Jeff Law <law@cygnus.com>
2898 Richard Henderson <rth@cygnus.com>
2900 * Makefile.in (OBJS): Add sibcall.o.
2902 * sibcall.c: New file.
2903 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
2904 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
2905 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
2906 Emit sibcall patterns when requested. Update all callers.
2907 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
2908 elimination seems feasable.
2909 * final.c (leaf_function_p): Sibling calls don't discount being
2911 * flow.c (HAVE_sibcall_epilogue): Provide default.
2912 (find_basic_blocks_1): Sibling calls don't throw.
2913 (make_edges): Make edge from sibling call to EXIT.
2914 (propagate_block): Don't remove sibcall_epilogue insns.
2915 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
2916 (sibcall_epilogue): New.
2917 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
2918 (identify_blocks_1): Likewise. Break out from ...
2919 (identify_blocks): ... here.
2920 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
2921 (reorder_blocks): ... here.
2922 (init_function_for_compilation): Zap prologue/epilogue as varrays.
2923 (record_insns): Extend a varray instead of mallocing new memory.
2924 (contains): Read a varray not array of ints.
2925 (sibcall_epilogue_contains): New.
2926 (thread_prologue_and_epilogue_insns): Emit and record
2927 sibcall_epilogue patterns.
2928 (init_function_once): Allocate prologue/epilogue varrays.
2929 * genflags.c (gen_insn): Treat sibcall patterns as calls.
2930 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
2932 (save_for_inline_nocopy): ... here.
2933 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
2935 (expand_inline_function): ... here.
2936 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
2937 (subst_constants): Handle 'n' formats.
2938 * jump.c (jump_optimize_minimal): New.
2939 (jump_optimize_1): New arg `minimal'; update callers. Elide most
2940 optimizations if it's set.
2941 * rtl.c (copy_rtx): Do copy jump & call for insns.
2942 * rtl.h (struct rtx_def): Document use of jump and call for insns.
2943 (SIBLING_CALL_P): New.
2944 (sibcall_use_t): New.
2945 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
2946 Invoke optimize_sibling_and_tail_recursive_calls.
2947 * tree.c (lang_safe_for_unsave): New.
2948 (safe_for_unsave): New.
2949 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
2951 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
2952 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
2953 (*sibcall_osf_1, *sibcall_value_osf_1): New.
2955 2000-03-17 Mark Mitchell <mark@codesourcery.com>
2957 * objc/objc-act.c (encode_method_prototype): Pass types, not
2958 PARM_DECLs, to int_size_in_bytes.
2960 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
2962 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
2964 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
2965 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
2967 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2969 * Clean up usages of TREE_INT_CST_LOW.
2970 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
2971 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2973 * c-tree.h (min_precision): Move declaration to here.
2974 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
2975 (build_unary_op, add_pending_init): Use bit_position.
2976 (pending_init_member, process_init_element): Likewise.
2977 (really_start_incremental_init, push_init_level, pop_init_level):
2978 Don't make copies of nodes or modify them in place, use consistent
2979 types when tracking positions, and use tree routines computations.
2980 (set_init_index, output_init_element): Likewise.
2981 (output_pending_init_elements, process_init_element): Likewise.
2982 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
2983 tree_low_cst and int_bit_position; also minor cleanup.
2984 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
2985 (print_cst_octal): Precision is unsigned.
2986 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
2987 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
2988 (simple_type_align_in_bits): Result is unsigned int.
2989 Use tree_int_low_cst and host_integerp.
2990 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
2991 (field_byte_offset): Result is HOST_WIDE_INT.
2992 Change types of internal variables so alignments are unsigned int,
2993 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
2994 Use host_integerp, tree_low_cst, and int_bit_position.
2995 (add_bit_offset_attribute): Likewise.
2996 (add_data_member_location_attribute): Use tree_cst_low.
2997 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
2998 (add_bit_size_attribute): Use tree_low_cst.
2999 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
3000 * dwarfout.c: Similar changes to dwarf2out.c.
3001 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
3002 * genoutput.c (n_occurences): Return -1 for null string.
3003 (strip_whitespace): Accept null string and make into function.
3004 (scan_operands): Reflect above changes.
3005 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
3006 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
3007 * ssa.c (rename_registers): Add missing cast of arg to bzero.
3008 * tree.c (int_size_in_bytes): Check for too big to represent.
3009 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
3010 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
3012 (min_precision): Delete from here.
3013 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
3014 and int_bit_position.
3015 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
3016 (encode_method_def): Likewise.
3017 (build_ivar_list_initializer): Use int_bit_position.
3018 (generate_shared_structures): Convert size.
3019 (encode_type, encode_complete_bitfield): Use integer_zerop.
3020 (encode_bitfield): Use tree_low_cst and int_bit_position.
3022 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3024 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
3026 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3028 * call.c (special_function_p): It is only malloc if it returns
3031 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3033 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
3034 (C33_FLAG, TARGET_C3X): Add macros.
3035 (TARGET_SWITCHES): Add -m33 option.
3036 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
3038 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3040 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
3041 (PARALLEL_PACK_FLAG): Delete.
3042 (TARGET_SWITCHES): Update.
3043 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
3045 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3047 * fold-const.c (fold): Fix a few cases when the returned result
3048 is not of the same type as the input.
3050 2000-03-16 Nick Clifton <nickc@cygnus.com>
3052 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
3055 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3057 * libgcc2.h: Move prototypes above macros with the same name.
3058 Wrap some function prototypes in the conditional which indicates
3059 whether they are supported, i.e. "BITS_PER_UNIT == 8".
3061 2000-03-16 Richard Henderson <rth@cygnus.com>
3063 * calls.c: Revert last two changes.
3065 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
3067 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
3068 has exponent 0 is a zero.
3070 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
3071 HASH may already be nonzero. Add code/mode into hash value
3072 immediately after repeat label.
3073 (cselib_lookup): Don't leave the hash table in an inconsistent
3074 state before a hash lookup operation.
3076 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
3078 * i386.md (all HI and QI mode non-move patterns): Conditionize
3079 by TARGET_[HQ]IMODE_MATH.
3080 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
3081 x86_promote_qi_regs): Declare.
3082 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
3083 TARGET_PROMOTE_QI_REGS): New macros.
3084 (PROMOTE_MODE): New macro.
3085 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
3086 x86_promote_qi_regs): New global variables.
3088 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
3090 * calls.c (emit_library_call_value_1): Break out from ...; handle
3091 VOIDmode function calls too.
3092 (emit_library_call_value): ... here.
3093 (emit_library_call): Implement by calling emit_library_call_value_1.
3095 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
3097 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
3098 Update arg_space_so_far on stack adjustments.
3099 (emit_library_call, emit_library_call_value): Likewise; take into
3100 account arg_space_so_far and pending_stack_adjust when calculcating
3103 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
3105 * flow.c: Move all basic block reordering code into its own file.
3106 (create_basic_block): Externalize.
3107 * bb-reorder.c: New file. Copy all basic block reordering code from
3108 flow.c to this file.
3109 (reorder_basic_blocks): Fix fencepost error in for-loop.
3110 (reorder_basic_blocks): Remove braces from single statement for-loops.
3111 * basic-block.h: Add declaration for create_basic_block.
3112 * Makefile.in: Add rules for bb-reorder.o.
3114 2000-03-16 Neil Booth <NeilB@earthling.net>
3116 * cppinit.c (handle_option): Implement #unassert directive
3117 as -A- command line option.
3118 (print_help): Update.
3119 * cpptexi.c: Update.
3121 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
3123 * md.texi (Standard Names): Document `jump'.
3125 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
3127 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
3130 2000-03-15 Geoff Keating <geoffk@cygnus.com>
3132 Merge changes from newppc-branch onto trunk.
3134 2000-03-15 Geoff Keating <geoffk@cygnus.com>
3136 * rs6000.c (toc_hash_table): Update for new hash table functions.
3137 (toc_hash_function): Likewise.
3138 (toc_hash_eq): Likewise.
3139 (toc_hash_mark_entry): Likewise.
3140 (toc_hash_mark_table): Likewise.
3141 (output_toc): Likewise.
3142 (rs6000_add_gc_roots): Likewise.
3144 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3146 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
3147 (AR_FLAGS_FOR_TARGET): here. New macro.
3149 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
3151 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
3152 fpmem_operand) Delete.
3154 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
3155 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
3156 (rs6000_save_machine_status, rs6000_restore_machine_status,
3157 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
3158 references to above variables.
3159 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
3160 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
3161 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
3162 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
3163 (XER_REGNO_P, XER_REGNO): New.
3164 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
3165 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
3166 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
3168 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
3169 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
3170 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
3172 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3174 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
3175 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
3176 * rs6000.h: from here.
3178 * rs6000-protos.h (rs6000_select_section): Provide prototype.
3179 (rs6000_select_rtx_section): Likewise.
3180 (rs6000_encode_section_info): Likewise.
3181 (sdata_section): Likewise.
3182 (sdata2_section): Likewise.
3183 (sbss_section): Likewise.
3184 * sysv4.h (rs6000_select_section): Delete prototype.
3185 (rs6000_select_rtx_section): Likewise.
3186 (rs6000_encode_section_info): Likewise.
3187 (sdata_section): Likewise.
3188 (sdata2_section): Likewise.
3189 (sbss_section): Likewise.
3190 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
3192 * sysv4.h: Delete various unnecessary #undef's and put a comment
3193 on the remaining ones.
3194 Change various comments according to coding standard.
3196 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
3198 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
3199 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
3200 (CR0_REGNO_P) Remove.
3201 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
3202 setup_incoming_varargs, mtcrf_operation, print_operand,
3203 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
3204 Use the above macros.
3206 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
3208 * config/rs6000/rs6000.md: Added a new alternative for each
3209 pattern that had a 'x' alternative but no 'y' alternative.
3210 Added a new split for each of the above patterns.
3212 2000-02-18 Geoff Keating <geoffk@cygnus.com>
3214 * aix41.h (ASM_CPU_SPEC): Delete.
3215 (CPP_CPU_SPEC): Delete.
3217 * aix.h (RS6000_OUTPUT_BASENAME): Define.
3218 (ASM_OUTPUT_LABEL): Define.
3219 (ASM_GLOBALIZE_LABEL): Define.
3220 (STRIP_NAME_ENCODING): Define.
3221 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
3222 (STRIP_NAME_ENCODING): Don't define.
3223 (ASM_OUTPUT_LABEL): Don't define.
3224 (ASM_GLOBALIZE_LABEL): Don't define.
3225 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
3226 names, and ASM_OUTPUT_LABEL to output labels, rather than
3228 (ASM_OUTPUT_LABEL): Define.
3229 (ASM_OUTPUT_INT): Use assemble_name.
3230 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
3231 (STRIP_NAME_ENCODING): Don't undefine first.
3232 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
3234 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
3235 specified with 'asm' even with -fleading-underscore.
3236 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
3237 (output_epilog): Likewise.
3238 (output_toc): Likewise.
3239 * tramp.asm: Handle -fleading-underscore correctly.
3241 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
3243 (nonlocal_goto_receiver): Delete.
3244 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
3246 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
3247 (SET_ASM_OP): Define.
3248 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
3250 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
3253 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
3254 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
3256 * rs6000.h: Add 'u' to more constants.
3258 2000-02-18 David Edelsohn <edelsohn@gnu.org>
3260 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
3262 2000-02-15 David Edelsohn <edelsohn@gnu.org>
3264 * rs6000.c (reg_or_u_cint_operand): New function.
3265 (logical_operand): Handle 64-bit hosts.
3266 (logical_u_operand): New function.
3267 (non_logical_cint_operand): Handle 64-bit hosts.
3268 (non_logical_u_cint_operand): New function.
3269 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
3270 (PREDICATE_CODES): Define new functions.
3271 * rs6000-protos.h: Declare new functions.
3272 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
3273 (movdi_64): Bracket code intended for 64-bit hosts. Create
3274 CONST_DOUBLE for 32-bit values.
3275 (scc insns): Generate DImode compares.
3276 (mfcr insns): Create DImode versions.
3277 (sge matchers): New patterns.
3279 2000-02-15 Gabriel Paubert <paubert@iram.es>
3281 * rs6000.md: Correct instructions length attributes and
3282 constraints on unsigned compare instructions.
3283 (*ne0): Disable for PowerPC64.
3285 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3287 * rs6000.c (output_function_profiler): Use .long for a 32-bit
3288 quantity, fix profile1.C test failure under -fPIC.
3290 * rs6000.c: Add 'u' to many constants to suppress warnings.
3291 (constant_pool_expr_1): Make static.
3292 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
3293 * rs6000.h: Add 'u' to many constants to suppress warnings.
3295 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
3296 for the start of the TOC, instead of LCTOC..0.
3297 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
3299 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
3300 (load_toc_aix_di): Use LCTOC..1.
3302 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
3303 * rs6000.c (rs6000_legitimize_address): New function from
3304 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
3305 symbols in the constant pool that really are TOC references.
3306 (print_operand_address): For ELF, write TOC offsets under
3307 -fPIC as subtractions in the insn.
3308 (output_toc): For ELF, define symbols in TOC as normal labels,
3310 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
3311 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
3312 (create_TOC_reference): Prototype only when RTX_CODE is defined.
3313 * rs6000.md (movsi): Only use create_TOC_reference on
3314 symbols in the constant pool that really are TOC references.
3316 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
3317 * rs6000.c (rs6000_reorg): Delete.
3318 * rs6000-protos.h (rs6000_reorg): Delete.
3320 2000-02-09 Geoff Keating <geoffk@cygnus.com>
3322 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
3324 * aix.h (SETUP_FRAME_ADDRESSES): Define.
3325 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
3326 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
3327 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
3328 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
3329 rs6000_aix_emit_builtin_unwind_init.
3330 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
3331 rs6000_emit_eh_toc_restore on AIX.
3332 (return_eh_si): Use r2.
3333 (return_eh_di): Use r2.
3335 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
3336 since we're breaking binary compatibility anyway.
3338 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3340 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
3341 constant_pool_expr_p): Declare them.
3342 (constant_pool_expr_p): Declare it.
3343 * config/rs6000/rs6000.c (toc_label_name): Define.
3344 (rs6000_override_options): Set toc_label_name.
3345 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
3346 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
3347 uses_TOC): New functions.
3348 (print_operand): Delete old '*' case.
3349 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
3350 and strip off rtl for TOC before calling output_addr_const.
3351 (rs6000_emit_load_toc_table): Use toc_label_name.
3352 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
3354 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
3355 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
3356 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
3357 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
3358 into explicit TOC_REGISTER offsets.
3359 (TOC_REGISTER): New macro.
3360 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
3361 TARGET_TOC to reference TOC_REGISTER.
3362 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
3363 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
3364 uses_TOC before emitting label references.
3366 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3368 * rs6000.md (stack_tie): Fix warning.
3370 * eabi-ctors.c: Use 'asm' names for the start/end variables,
3371 to handle -fleading-underscore.
3372 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
3373 (USER_LABEL_PREFIX): New macro.
3374 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
3375 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
3376 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
3377 call-linux can use the same multilibs.
3378 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
3379 and call-linux multilibs. Do multilib with -fleading-underscore.
3380 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
3381 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
3384 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
3385 have MASK_SOFT_FLOAT set.
3386 (CPP_FLOAT_DEFAULT_SPEC): New macro.
3387 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
3388 CPP_FLOAT_DEFAULT_SPEC.
3390 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
3391 * rs6000.md: Whitespace change.
3392 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
3393 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
3395 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3397 * rs6000.md (eh_epilogue): New expander.
3398 (eh_reg_restore): New expand/split/insn combination.
3399 (return_eh_si): New insn.
3400 (return_eh_di): New insn.
3402 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
3403 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
3404 * eabi-ctors.c (__do_global_ctors): Register this object's
3405 frame. Clean up. Call atexit() after the constructors.
3406 (__do_global_dtors): Deregister this object's frame. Clean up.
3407 Allow for recursive calls to exit().
3408 * rs6000.c (fixuplabelno): New variable.
3409 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
3410 TARGET_RELOCATABLE, it slows down exec() under linux.
3411 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
3413 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
3414 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
3415 (ASM_OUTPUT_DWARF_DELTA2): New macro.
3416 (ASM_OUTPUT_DWARF_DELTA4): New macro.
3417 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
3418 (ASM_OUTPUT_DWARF_ADDR): New macro.
3419 (ASM_OUTPUT_DWARF_DATA4): New macro.
3420 (ASM_OUTPUT_DWARF_DATA2): New macro.
3421 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
3422 (ASM_OUTPUT_DWARF_OFFSET): New macro.
3423 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
3425 2000-02-03 Geoff Keating <geoffk@cygnus.com>
3427 * rs6000.c (rs6000_sr_alias_set): New variable.
3428 (rs6000_override_options): Initialise rs6000_sr_alias_set.
3429 (rs6000_emit_stack_tie): New function.
3430 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
3431 in a way that dwarf2out can understand.
3432 (rs6000_frame_related): New function.
3433 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
3434 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
3435 Use rs6000_emit_stack_tie when needed.
3436 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
3437 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
3438 * rs6000.md (stack_tie): New insn.
3439 (return_internal_si): Allow return value to be in the count
3441 (return_internal_di): Likewise.
3443 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
3445 2000-02-03 Geoff Keating <geoffk@cygnus.com>
3447 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
3449 2000-01-31 Geoff Keating <geoffk@cygnus.com>
3451 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
3453 * rs6000.md (stmw): Use the right POWER opcode.
3456 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3458 * rs6000-protos.h: New file.
3460 * rs6000.c: Include tm_p.h. Fix compile time warnings.
3462 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
3465 * sysv4.h: Likewise.
3467 2000-01-28 Geoff Keating <geoffk@cygnus.com>
3469 * ../../configure.in: Delete powerpcle-*-winnt*
3470 and powerpcle-*-pe|powerpcle-*-cygwin*.
3471 * ../../configure: Regenerated.
3473 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
3474 (TARGET_WINDOWS_NT): Delete.
3476 (CALL_NT_DLLIMPORT): Delete.
3477 Delete NT-specific code.
3478 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
3481 * nt-ci.asm: Delete.
3482 * nt-cn.asm: Delete.
3483 * ntstack.asm: Delete.
3485 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3487 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
3488 (ASM_FILE_START): Likewise.
3489 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3490 (ASM_OUTPUT_LABELREF): Likewise.
3491 (ASM_OUTPUT_SKIP): Likewise.
3492 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3493 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3494 (ASM_OUTPUT_CASE_LABEL): Likewise.
3495 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
3496 (ASM_OUTPUT_ASCII): Likewise.
3498 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
3500 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
3501 reload_toc_labelno for non-prologue TOC reloads. Also, don't
3502 increment rs6000_pic_labelno here.
3503 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
3504 and increment rs6000_pic_labelno here.
3506 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
3508 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
3509 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
3510 allocation knows (reg) is dead before the insn.
3512 2000-01-21 Geoff Keating <geoffk@cygnus.com>
3514 * rs6000.md (movsi_to_cr): Correct typo in output template.
3516 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
3518 * rs6000.c (rs6000_pic_labelno): Always define.
3519 (rs6000_pic_func_labelno): Delete.
3520 (lmw_operation): Check for a zero base register,
3521 which doesn't mean what we want.
3522 (stmw_operation): New function.
3523 (print_operand): Define new 'l' modifier.
3524 (rs6000_stack_info): We must save all 64 bits of the registers
3525 if TARGET_POWERPC64.
3526 (rs6000_output_load_toc_table): Delete.
3527 (rs6000_emit_load_toc_table): New function.
3528 (rs6000_allocate_stack_space): Delete.
3529 (rs6000_emit_allocate_stack): New function.
3530 (rs6000_emit_prologue): New function.
3531 (output_prolog): Use rs6000_emit_prologue.
3532 (rs6000_emit_epilogue): Change a few variable names to be
3533 more accurate. Restore all 64 bits of the registers if
3534 TARGET_POWERPC64. Only restore the FP registers which were used
3535 if they are being saved/restored one-at-a-time.
3536 (output_mi_thunk): Delete inefficient code generation.
3537 (output_function_profiler): Don't use rs6000_output_load_toc_table.
3538 * rs6000.h: Declare rs6000_emit_load_toc_table,
3539 rs6000_allocate_stack_space, stmw_operation. Don't declare
3540 rs6000_output_load_toc_table.
3541 * rs6000.md (elf_high): Allow register 0, but discourage it
3543 (elf_low): Support loading into register 0.
3544 (load_toc_aix_si): New pattern.
3545 (load_toc_aix_di): New pattern.
3546 (load_toc_v4_pic_si): New pattern.
3547 (load_toc_v4_pic_di): New pattern.
3548 (load_toc_v4_PIC_1): New pattern.
3549 (load_toc_v4_PIC_1b): New pattern.
3550 (load_toc_v4_PIC_2): New pattern.
3551 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
3552 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
3553 (prologue): New expander.
3554 (movesi_from_cr): New pattern.
3555 (stmw): New pattern.
3556 (save_fpregs_si): New pattern.
3557 (save_fpregs_di): New pattern.
3559 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3561 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
3566 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3568 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
3570 (movsi_got_internal): Likewise.
3571 (movsi_got_internal+1): Likewise.
3572 (set_sp): 'unspec 7' does a SImode clobber.
3574 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3576 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
3577 allocate a stack temporary.
3578 (floatsidf2_internal): Likewise.
3579 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
3581 (floatunssidf2): Don't use the fpmem "register", just
3582 allocate a stack temporary.
3583 (floatunssidf2_internal): Likewise.
3584 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
3586 (floatsidf2_loadaddr): Delete.
3587 (floatsidf2_store1): Delete.
3588 (floatsidf2_store2): Delete.
3589 (floatsidf2_load): Delete.
3590 (fix_truncdfsi2): Don't use the fpmem "register", just
3591 allocate a stack temporary.
3592 (fix_truncdfsi2_internal_si): Delete.
3593 (fix_truncdfsi2_internal_di): Delete.
3594 (fix_truncdfsi2_internal): New insn.
3595 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
3596 (fix_truncdfsi2_store): Delete.
3597 (fix_truncdfsi2_load): Delete.
3598 (fctiwz): Produce gen_fctiwz.
3600 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
3602 * eabi.h (INVOKE__main): Define.
3603 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
3605 (rs6000_emit_prologue): Likewise.
3606 * rs6000.h (struct rs6000_stack): Don't keep track of whether
3607 this is the main program.
3609 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3611 * rs6000.c (rs6000_va_arg): Delete some unused variables.
3613 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3615 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
3616 goes after the argument.
3618 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3620 * rs6000.md: Document 'unspec' values used.
3621 (epilogue): New expander.
3622 (movesi_to_cr_one): New expander.
3623 (movesi_to_cr and following): New pattern.
3625 (return_internal_si): New pattern.
3626 (return_internal_di): New pattern.
3627 (return_and_restore_fpregs_si): New pattern.
3628 (return_and_restore_fpregs_di): New pattern.
3629 * rs6000.h: Declare new functions.
3630 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
3631 rather than rs6000_calls_p.
3632 (rs6000_makes_calls): Delete.
3633 (lmw_operation): New function.
3634 (mtcrf_operation): New function.
3635 (rs6000_emit_epilogue): New function.
3636 (output_epilog): Call rs6000_emit_epilogue and final if
3637 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
3639 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3641 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
3642 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
3643 * aix.h (SUBTARGET_SWITCHES): Document switches.
3644 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
3645 sched-prolog and sched-epilog the same. Document all the
3647 (TARGET_OPTIONS): No longer allow -mdebug-.
3649 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3651 * rs6000.h (ASM_FILE_END): Move to aix.h.
3652 (EXTRA_SECTIONS): Move to aix.h.
3653 (READONLY_DATA_SECTION): Move to aix.h.
3654 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
3655 (SELECT_SECTION): Move to aix.h.
3656 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
3657 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
3658 (LINK_REGISTER_REGNUM): New definition.
3659 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
3660 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
3662 * sysv4.h: Delete the code between the inclusion of rs6000.h
3664 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
3665 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
3666 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
3667 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
3668 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
3669 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
3670 (fix_truncdfsi2_internal_di): New pattern.
3671 (fix_truncdfsi2_store): The second arg here is Pmode too.
3672 (fix_truncdfsi2_load): The second arg here is Pmode too.
3673 (tablejumpdi): Now that switch tables hold only SImode values,
3674 gcc needs to know how to add them to the pc which is DImode.
3675 * rs6000.c (rs6000_stack_info): Use symbolic name for
3676 LINK_REGISTER_REGNUM.
3677 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
3678 (output_toc): Delete unused variables s1 and s2.
3679 (output_ascii): Use fputs not fprintf on a variable string.
3681 2000-01-07 David Edelsohn <edelsohn@gnu.org>
3683 * rs6000.c (processor_target_table): Add power3 as alias for 630.
3684 * aix43.h: Revert Aug 2 change.
3685 (HAS_INIT_SECTION): Define, not visible yet.
3686 (LD_INIT_SWITCH): Define, not visible yet.
3687 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
3689 2000-01-04 Joel Sherrill (joel@OARcorp.com>
3691 * config/rs6000/rtems.h: Include config/rtems.h.
3693 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3695 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
3696 (SLOW_UNALIGNED_ACCESS): Define.
3697 (CASE_VECTOR_MODE): Always use 32-bit offsets.
3698 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
3699 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
3700 (toc_section): Likewise and .toc pseudo-op.
3701 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
3703 (TEXT_SECTION_ASM_OP): Likewise.
3704 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
3707 1999-12-17 Jakub Jelinek <jakub@redhat.com>
3709 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
3710 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
3713 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3715 * rs6000.h: Move more stuff from here...
3717 * sysv4.h: Cleanup accordingly.
3718 * netware.h: Likewise
3720 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3722 * rs6000.h: Continue cleanup.
3725 * netware.h: Likewise.
3727 * sysv4.h: Likewise.
3728 * win-nt.h: Likewise.
3730 * rs6000.h (TARGET_SWITCHES): Add descriptions.
3731 (TARGET_OPTIONS): Likewise.
3733 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
3734 (SUBTARGET_OPTIONS): Likewise.
3736 * rs6000.md: Fix compile time warnings.
3738 2000-01-04 Geoff Keating <geoffk@cygnus.com>
3740 vxworks patches from the Cygnus tree originally by
3741 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
3742 <vmakarov@cygnus.com>.
3743 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
3744 (ENDFILE_SPEC): Likewise.
3745 (LIB_VXWORKS_SPEC): New macro.
3746 (STARTFILE_VXWORKS_SPEC): New macro.
3747 (ENDFILE_VXWORKS_SPEC): New macro.
3748 (LINK_START_VXWORKS_SPEC): New macro.
3749 (LINK_OS_VXWORKS_SPEC): New macro.
3750 (CPP_OS_VXWORKS_SPEC): New macro.
3751 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
3752 * vxppc.h: Rewrite to use proper configuration method.
3753 * vxppcle.h: New file.
3754 * ../../configure.in: Add powerpcle-wrs-vxworks*.
3755 * ../../configure: Rebuilt.
3757 2000-01-04 Geoff Keating <geoffk@cygnus.com>
3759 Lots of changes to rs6000.h, sysv4.h, aix.h,
3760 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
3761 with the aim that rs6000.h is the first header
3762 included and the others override it.
3765 * x-aix41-gld: Remove.
3767 * x-aix41: Remove target-specific switches, and don't specify
3768 -Wl,-bbigtoc as we don't need it any more.
3769 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
3770 Use t-aix43 for AIX 4.3 and above.
3771 * ../../configure: Regenerated.
3773 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
3774 options, that don't do anything yet.
3775 (MASK_SCHED_PROLOG): New macro.
3776 (MASK_SCHED_EPILOG): New macro.
3777 (TARGET_SCHED_PROLOG): New macro.
3778 (TARGET_SCHED_EPILOG): New macro.
3780 2000-01-04 Geoff Keating <geoffk@cygnus.com>
3782 * rs6000.c: Correct comment, the `minimal' TOCs are actually
3783 one per translation unit, not one per function.
3784 (output_toc): Also do duplicate constant elimination
3785 for per-translation-unit TOCs.
3787 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
3788 a comment explaining _exactly_ when this pattern gets used.
3789 (builtin_setjmp_receiver): New pattern for better clarity.
3790 (init_v4_pic): Move it into a section dealing with TOC registers.
3792 1999-12-30 Geoff Keating <geoffk@cygnus.com>
3794 * rs6000.c (toc_hash_table): New variable.
3795 (rs6000_hash_constant): New function.
3796 (toc_hash_function): New function.
3797 (toc_hash_eq): New function.
3798 (toc_hash_mark_entry): New function.
3799 (toc_hash_mark_table): New function.
3800 (output_toc): Don't output duplicate TOC entries in
3802 (rs6000_add_gc_roots): Add the hash table as a GC root.
3803 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
3804 where they clearly shouldn't be. This may need to be fixed
3805 later when there is a GNU ar for AIX.
3806 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
3807 Don't define BOOT_LDFLAGS as it is now not necessary.
3809 1999-12-29 Geoff Keating <geoffk@cygnus.com>
3811 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
3812 for va_list on AIX. Use unsigned_char_type_node rather than
3813 constructing our own version on svr4.
3815 1999-12-17 Geoff Keating <geoffk@cygnus.com>
3817 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
3818 since patently it's not.
3820 1999-12-08 Geoff Keating <geoffk@cygnus.com>
3822 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
3823 define_expand/define_insn pair, and handle restore of the
3824 SVR4 -fpic register.
3826 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
3828 * acconfig.h (HAVE_GAS_WEAK): New define.
3829 * configure.in (assembler weak support): Check for .weak support.
3830 * config.in, configure: Rebuilt.
3831 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
3832 HAVE_GAS_WEAK is defined.
3834 2000-03-15 Nick Clifton <nickc@cygnus.com>
3836 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
3839 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
3841 * cppfiles.c (open_include_file): New function.
3842 (find_include_file, cpp_read_file): Use it.
3844 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
3846 * cpphash.c (dump_hash_helper): Take the slot, not the element.
3848 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
3850 * flow.c (verify_flow_info): Check for unconditional return.
3852 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
3854 * config/ia64/ia64.md (restore_stack_nonlocal): New.
3855 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
3856 (__ia64_restore_stack_nonlocal): New.
3857 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
3859 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3861 * cpphash.c (collect_formal_parameters): Do not complain about
3862 parameter names that just start with `__VA_ARGS__'.
3864 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
3866 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
3867 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
3868 * i386.c (pentiumpro_cost): Set mul cost to 4.
3869 (x86_use_movx): Set for PPro.
3871 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
3873 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
3874 STACK_BOUNDARY for empty frames now.
3876 2000-03-14 Mark Mitchell <mark@codesourcery.com>
3878 * stor-layout.c (layout_union): Remove.
3879 (layout_union_field): New function, split out from layout_union.
3880 (finish_union_layout): Likewise.
3881 (layout_field): Handle unions by calling layout_union_field.
3882 (finish_record_layout): Handle unions.
3883 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
3884 QUAL_UNION_TYPE handling.
3886 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
3888 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
3889 end of basic block is jump_insn, not barrier; use create_basic_block
3890 instead of creating basic block by hand.
3892 2000-03-14 Jason Eckhardt <jle@cygnus.com>
3894 * flow.c (reorder_basic_blocks): Account for barriers when writing
3895 over NEXT_INSN (last_bb->end).
3896 (verify_flow_info): Add check for missing barriers.
3898 2000-03-14 Greg McGary <gkm@gnu.org>
3900 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
3901 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
3902 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
3903 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
3904 __unbounded, __unbounded__): New keywords.
3905 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
3906 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
3907 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
3909 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
3911 * cselib.h: New file.
3912 * alias.c: Include "cselib.h".
3913 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
3914 MEMs as two new arguments.
3915 (get_addr): New static function.
3916 (find_base_term): Handle VALUEs.
3917 (memrefs_conflict_p): Likewise.
3918 (true_dependence): Call get_addr on the addresses.
3919 Call fixed_scalar_and_varying_struct_p with addresses that have been
3920 passed through get_addr and canon_rtx.
3921 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
3922 with true_dependence.
3923 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
3924 * loop.c: Include "cselib.h".
3925 (load_mems): Process extended basic block that enters the loop with
3926 cselib. Use that information to change initialization of the shadow
3927 register so that a constant equivalence is seen by later passes.
3928 * reload1.c: Include "cselib.h".
3929 (reload_cse_invalidate_regno): Delete function.
3930 (reload_cse_mem_conflict_p): Likewise.
3931 (reload_cse_invalidate_mem): Likewise.
3932 (reload_cse_invalidate_rtx): Likewise.
3933 (reload_cse_regno_equal_p): Likewise.
3934 (reload_cse_check_clobber): Likewise.
3935 (reload_cse_record_set): Likewise.
3936 (reg_values): Delete static variable.
3937 (invalidate_regno_rtx): Likewise.
3938 (reload_cse_delete_noop_set): New static function.
3939 (reload_cse_simplify): New static function, broken out of
3941 (reload_cse_noop_set_p): Delete unused argument INSN.
3942 Just call rtx_equal_for_cselib_p on set source and destination.
3943 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
3944 reload_cse_delete_noop_set. Delete code to keep track of values; use
3945 cselib functions instead. Delete code to push/pop obstacks.
3946 (reload_cse_simplify_set): Use cselib to find equivalent values.
3947 Delete code to push/pop obstacks.
3948 (reload_cse_simplify_operands): Likewise.
3949 * rtl.def (VALUE): New rtx code.
3950 * rtl.h (union rtunion_def): New elt rt_cselib.
3951 (X0CSELIB, CSELIB_VAL_PTR): New macros.
3952 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
3953 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
3954 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
3955 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
3956 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
3957 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
3958 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
3959 cselib_record_set, cselib_record_sets): New static functions.
3960 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
3961 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
3962 references_value_p): New functions.
3963 (MAX_USELESS_VALUES, REG_VALUES): New macros.
3964 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
3965 n_useless_values, reg_values, callmem, cselib_obstack,
3966 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
3967 New static variables.
3968 * varray.h (union varray_data_tag): New elt te.
3969 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
3970 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
3973 2000-03-14 Nick Clifton <nickc@cygnus.com>
3975 * gcc.c (do_spec_1): Catch the case where %* is used in a
3976 substitution pattern, but it has not been initialised.
3977 Issue a meaningful error message if an unrecognised operator
3978 is encountered in a spec string.
3980 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
3982 * function.c (prepare_function_start): Correctly initialize
3983 cfun->stack_alignment_needed.
3985 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
3987 * cppfiles.c (find_include_file): Don't assume nshort is a
3990 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
3992 * configure.in (hppa configurations): Add pa32-regs.h to the
3993 list of tm files as appropriate.
3994 * configure: Rebuilt.
3995 * pa.c (compute_frame_size): Remove explicit knowledge about FP
3997 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
3998 (fmpyaddoperands, fmpysuboperands): Likewise.
3999 * pa.h: Remove various definitions which depend on knowing
4000 how registers are numbered.
4001 * pa32-regs.h: New file with PA32 register numbering specific
4004 2000-03-14 Richard Henderson <rth@cygnus.com>
4006 * regmove.c (combine_stack_adjustments): New.
4007 (stack_memref_p, single_set_for_csa): New.
4008 (free_csa_memlist, record_one_stack_memref): New.
4009 (try_apply_stack_adjustment): New.
4010 (combine_stack_adjustments_for_block): New.
4011 * rtl.h (combine_stack_adjustments): Declare.
4012 * toplev.c (rest_of_compilation): Call it.
4014 * i386.md: Revert 2000-01-16 change.
4016 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4018 * gccbug.in: Add web category, gcc specific classes.
4020 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
4022 * stor-layout.c (finalize_record_size): Fix typo.
4024 2000-03-14 Stan Shebs <shebs@apple.com>
4026 * c-typeck.c (c_alignof): Error on incomplete types.
4027 * extend.texi (Alignment): Document this.
4029 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4031 * cppfiles.c: Include mkdeps.h.
4032 (find_include_file, read_include_file): Remove _cpp_ prefix
4033 from name, make static.
4034 (_cpp_execute_include): New function, broken out of
4037 * cpplib.c: Don't include mkdeps.h.
4038 (struct directive): Remove type field. Reorder entries. The
4039 function takes only one argument.
4040 (struct if_stack): Make type field an int.
4041 (directive_table): Rename to dtable. Generate it, the
4042 prototypes of the directive handlers, and the enum for the
4043 directive numbers, from a template macro.
4044 (do_ifndef, do_include_next, do_import): New functions.
4045 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
4046 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
4047 do_ident, do_assert, do_unassert, do_sccs): Take only one
4049 (do_sccs): Define always, but alter behavior based on
4051 (_cpp_handle_directive, consider_directive_while_skipping):
4052 Restructure for new directive table layout.
4054 (pass_thru_directive): Take a directive number, not a pointer
4055 to a struct directive.
4056 (parse_include): New function, broken out of do_include.
4057 (do_include, do_import, do_include_next): Use parse_include
4058 and _cpp_execute_include.
4059 (do_elif, do_else): Test for T_ELSE specifically when checking
4060 for #elif/#else after #else.
4061 (parse_ifdef): New function, broken out of do_ifdef.
4062 (validate_else): Expect a name arg without a leading #.
4063 (if_directive_name): Delete.
4064 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
4065 directive handlers with only one argument.
4067 * cpphash.h: Update prototypes.
4068 (enum node_type): Remove entries for directives.
4069 * Makefile.in: Update dependencies.
4071 * cpphash.c (dump_hash_helper): Only dump nodes of type
4072 T_MACRO. Emit a newline after each definition.
4074 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4076 * gccbug.in: New file.
4077 * configure.in (all_outputs): Add gccbug.
4078 * Makefile.in (install-common): Install gccbug.
4079 (GCCBUG_INSTALL_NAME): New variable.
4080 * configure: Rebuilt.
4082 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
4084 * function.c (put_var_into_stack): Use type_for_mode to calculate
4085 part_type. Use MEM_SET_IN_STRUCT_P.
4086 * expr.c (store_field): Handle CONCAT.
4087 (store_constructor): Use fields_length.
4088 * tree.c (fields_length): New fn.
4089 * tree.h: Declare it.
4091 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4093 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
4094 (cpplex.o): New target.
4095 * po/POTFILES.in: Add cpplex.c.
4097 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
4098 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
4099 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
4100 skip_block_comment, skip_line_comment, skip_comment,
4101 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
4102 _cpp_parse_name, skip_string, parse_string,
4103 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
4104 _cpp_get_directive_token, find_position,
4105 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
4106 (maybe_macroexpand, _cpp_lex_token): New functions.
4108 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
4109 parse_goto_mark): Delete.
4110 (_cpp_handle_eof): New function.
4111 (_cpp_handle_directive): Rename from handle_directive.
4112 (_cpp_output_line_command): Rename from output_line_command.
4113 (do_if, do_elif): Call _cpp_parse_expr directly.
4114 * cppfiles.c (_cpp_read_include_file): Don't call
4115 init_input_buffer here.
4116 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
4117 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
4118 here; pop the token_buffer and skip the rest of the line here.
4119 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
4122 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
4124 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
4125 CPP_GOTO_MARK): New macros.
4126 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
4127 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
4128 _cpp_read_and_prescan, _cpp_init_input_buffer,
4129 _cpp_grow_token_buffer, _cpp_get_directive_token,
4130 _cpp_handle_directive, _cpp_handle_eof,
4131 _cpp_output_line_command): Prototype them here.
4132 * cpplib.h (enum cpp_token): Add CPP_MACRO.
4133 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
4134 quote_string, output_line_command): Remove.
4136 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
4138 * stmt.c (expand_end_case): RANGE may be signed, and when checking
4139 whether it is too large we must also verify that it isn't negative.
4141 2000-03-13 Jakub Jelinek <jakub@redhat.com>
4143 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
4144 (movsi_zero_liveg0): Remove.
4145 (movsf_insn_novis_liveg0): Remove.
4147 (negsi2_not_liveg0): Rename to negsi2.
4148 (one_cmplsi2): Remove.
4149 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
4150 (one_cmplsi2_liveg0): Remove.
4151 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
4152 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
4153 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
4154 (PREDICATE_CODES): Remove zero_operand.
4155 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
4156 TARGET_BROKEN_SAVERESTORE.
4157 (zero_operand): Remove.
4158 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
4159 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
4161 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4162 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
4163 TARGET_BROKEN_SAVERESTORE): Remove.
4164 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4166 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4168 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4171 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
4173 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4175 * cpplib.c (do_pragma_implementation): Fix off-by-one error
4176 truncating a string. Don't assume tokens are nul terminated.
4177 Problem noted by Andreas Jaeger <aj@suse.de>
4179 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
4181 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
4182 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
4183 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
4185 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
4187 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
4188 STRUCTURE_SIZE_BOUNDARY.
4190 2000-03-13 Mark Mitchell <mark@codesourcery.com>
4192 * tree.h (record_layout_info_s): New structure.
4193 (record_layout_info): New type.
4194 (new_record_layout_info): New function.
4195 (layout_field): Likewise.
4196 (finish_record_layout): Likewise.
4197 * stor-layout.c (layout_record): Remove.
4198 (new_record_layout_info): New function.
4199 (layout_field): New function, broken out from layout_record.
4200 (finalize_record_size): Likewise.
4201 (compute_record_mode): Likewise.
4202 (finalize_type_size): New function, broken out from layout_type.
4203 (finish_record_layout): Likewise.
4204 (layout_type): Use them.
4206 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
4208 * cpphash.c: Don't include version.h.
4209 (special_symbol) [case T_VERSION]: Look for the string in
4210 hp->value.cpval; don't use version_string.
4211 * cppinit.c (initialize_builtins): Set hp->value.cpval for
4212 __VERSION__ to version_string.
4213 * Makefile.in (cpphash.o): Update deps.
4215 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
4217 Convert cpplib to use libiberty/hashtab.c.
4219 * cpplib.h (struct cpp_reader): Make hashtab and
4220 all_include_files of type 'struct htab *'. Delete HASHSIZE
4221 and ALL_INCLUDE_HASHSIZE macros.
4223 * cpphash.h: Update prototypes.
4224 (struct hashnode): Remove next, prev, and bucket_hdr members.
4225 Make length a size_t. Add hash member.
4226 (struct ihash): Remove next member. Add hash member. Make
4227 name a flexible array member.
4229 * cppfiles.c: Include hashtab.h.
4230 (include_hash): Delete.
4231 (IHASHSIZE): New macro.
4232 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
4233 (cpp_included): Do the hash lookup here.
4234 (_cpp_find_include_file): Rewrite.
4235 (cpp_read_file): Put the "fake" hash entry into the hash
4236 table. Honor the control_macro, if it turns out we've seen
4237 the file before. Don't push the buffer here.
4238 (_cpp_read_include_file): Push the buffer here.
4239 (OMODES): New macro. Use it whenever we call open(2).
4241 * cpphash.c: Include hashtab.h.
4242 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
4243 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
4244 _cpp_lookup_slot): New functions.
4245 (HASHSIZE): new macro.
4246 (hashf, _cpp_install, _cpp_delete_macro): Delete.
4247 (_cpp_lookup): Use hashtab.h routines.
4249 * cppinit.c: Include hashtab.h.
4250 (cpp_reader_init): Call _cpp_init_macro_hash and
4251 _cpp_init_include_hash. Don't allocate hashtab directly.
4252 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
4253 pfile->all_include_files.
4254 (initialize_builtins): Use _cpp_make_hashnode and
4255 htab_find_slot to add hash entries.
4256 (cpp_finish): Just call _cpp_dump_macro_hash.
4257 * cpplib.c: Include hashtab.h.
4258 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
4259 create hash entries.
4260 (do_pragma_poison, do_assert): Likewise.
4261 (do_include): Don't push the buffer here. Don't increment
4262 system_include_depth unless _cpp_read_include_file succeeds.
4263 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
4265 (do_pragma_implementation): Use alloca to create copy.
4267 * Makefile.in: Update dependencies.
4269 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4271 * cppinit.c (cl_directive_handler): More K&R fixing.
4273 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
4275 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
4277 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
4279 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4281 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
4282 Change from char[] to macros.
4284 2000-03-12 Neil Booth <NeilB@earthling.net>
4286 * cppinit.c (cpp_start_read): Update indirect function
4289 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
4291 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
4294 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4295 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
4297 2000-03-11 Neil Booth <NeilB@earthling.net>
4299 * cppinit.c (struct pending option): Replace undef with a
4300 pointer to a directive handling routine.
4301 (struct cpp_pending): Replace separate assert_ and define_
4302 lists with one directive_ list.
4303 (new_pending_define): Rename new_pending_directive. Extra
4304 argument is the directive's handling routine.
4305 (handle_option): Update to use new_pending_directive.
4307 2000-03-11 Neil Booth <NeilB@earthling.net>
4309 * cppfiles.c (file_cleanup, _cpp_find_include_file,
4310 remap_filename, _cpp_read_include_file, actual_directory,
4311 hack_vms_include_specification): Replace bcopy(), index() etc
4312 calls. Add casts to some allocations. Make some variables
4313 pointers to const [unsigned] char.
4314 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
4315 collect_formal_parameters): Similarly.
4316 * cppinit.c (struct pending_option, append_include_chain,
4317 cpp_options_init, cpp_reader_init, initialize_standard_includes,
4318 cpp_start_read, new_pending_define, handle_option): Similarly.
4319 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
4320 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
4321 do_pragma_implementation, detect_if_not_defined,
4322 do_ifdef, skip_if_group, cpp_get_token, parse_string,
4323 do_assert, do_unassert): Similarly.
4324 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
4325 function prototypes.
4326 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
4328 2000-03-10 Richard Henderson <rth@cygnus.com>
4330 * builtins.c (expand_builtin_strlen): Revert last change.
4331 Use emit_insn_before if we're at the beginning of a sequence.
4333 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
4335 * builtins.c (expand_builtin_strlen): Make sure that we have something
4336 at the beginning of the sequence.
4338 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
4341 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
4343 2000-03-10 Richard Henderson <rth@cygnus.com>
4345 * except.c (can_throw): Use INTVAL on a CONST_INT.
4346 (reachable_handlers): Likewise.
4347 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
4349 2000-03-10 Andreas Jaeger <aj@suse.de>
4351 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
4352 MD_STARTFILE_PREFIX since those are not needed on linux.
4353 (ASM_FILE_START): New, from mips/gnu.h.
4355 2000-03-09 Richard Henderson <rth@cygnus.com>
4356 Alex Samuel <samuel@codesourcery.com> and others
4358 * Makefile.in (ssa.o): New rule.
4360 (STAGESTUFF): Add *.ssa and *.ussa.
4361 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
4362 * rtl.def (PHI): New RTL expression.
4363 * rtl.h (clear_log_links): New declaration.
4364 (convert_to_ssa): Likewise.
4365 (convert_from_ssa): Likewise.
4366 * flow.c (split_edge): If the entry node falls through to the
4367 split edge's source block, split the entry edge.
4368 (clear_log_links): New function.
4369 * toplev.c (ssa_dump): New variable.
4370 (flag_ssa): Likewise.
4371 (f_options): Add "ssa".
4372 (compile_file): Create SSA dump files.
4373 (rest_of_compilation): Go to and from SSA if enabled.
4374 (decide_d_option): Handle -de for SSA dump files.
4377 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
4379 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
4382 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
4384 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
4386 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
4388 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
4389 (MD_STARTFILE_PREFIX_1): New macro.
4391 2000-03-09 Robert Lipe <robertl@sco.com>
4393 * config/ia64/ia64.c: Include system.h.
4395 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
4397 * except.c (nothrow_function_p): If -fno-exceptions, just return.
4398 (init_eh_nesting_info): Likewise.
4400 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
4401 (TREE_NOTHROW): Rename from TREE_RAISES.
4402 * toplev.c (rest_of_compilation): Set it.
4403 * print-tree.c (print_node): Adjust.
4404 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
4405 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
4406 * calls.c (emit_call_1): Add 'nothrow' parm. Add
4407 REG_EH_REGION note as appropriate.
4408 (libfunc_nothrow): New fn.
4409 (emit_library_call, emit_library_call_value): Use it.
4410 (expand_call): Check TREE_NOTHROW.
4412 * varasm.c (make_decl_rtl): Skip initial '*' when setting
4413 DECL_ASSEMBLER_NAME.
4415 2000-03-09 Andreas Jaeger <aj@suse.de>
4417 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
4418 (TARGET_MEM_FUNCTIONS): Define.
4420 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
4422 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
4424 * except.c (can_throw): See through a SEQUENCE.
4425 (nothrow_function_p): New fn.
4426 * except.h: Declare it.
4427 * function.c (current_function_nothrow): New var.
4428 (prepare_function_start): Initialize it.
4429 * output.h: Declare it.
4430 * toplev.c (rest_of_compilation): Set it.
4431 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
4433 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
4435 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
4436 match. (cpp_compare_defs): Count the nul separator when
4437 advancing over argument names.
4439 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
4441 * recog.c (preprocess_constraints): Matching constraints affect
4442 same alternative/different operand, not same operand/different
4445 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
4446 register and a constant specially.
4448 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4450 * libgcc2.h: New file.
4451 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
4453 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
4455 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
4456 * configure: Regenerate.
4459 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
4461 * Makefile.in (LIBCPP_DEPS): New macro.
4462 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
4464 * cpperror.c: Include cpphash.h.
4465 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
4467 (lex): Don't use CPP_WARN_UNDEF.
4468 (_cpp_parse_expr): Return an int, the truth value.
4469 * cppfiles.c: Include cpphash.h.
4470 (_cpp_merge_include_chains): Move to cppinit.c and make static.
4471 * cppinit.c (include_defaults_array): Disentangle.
4472 (cpp_cleanup): Don't free the if stack here.
4473 (cpp_finish): Pop off all buffers, not just one.
4474 * cpplib.c (eval_if_expr): Return int.
4475 (do_xifdef): Rename do_ifdef.
4476 (handle_directive): Don't use CPP_PREPROCESSED.
4477 (cpp_get_token): Don't use CPP_C89.
4478 * fix-header.c: Don't use CPP_OPTIONS.
4480 * cpplib.h: Move U_CHAR, enum node_type, struct
4481 file_name_list, struct ihash, is_idchar, is_idstart,
4482 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
4483 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
4484 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
4485 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
4486 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
4487 of _cpp_simplify_pathname, _cpp_find_include_file,
4488 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
4489 Move struct if_stack to cpplib.c. Move struct cpp_pending to
4491 Change all uses of U_CHAR to be unsigned char instead.
4492 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
4494 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
4496 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
4497 (dwarf2out_begin_prologue): Set it.
4498 (output_call_frame_info): Don't emit EH unwind info for leaves.
4500 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
4501 can occur outside of an EH region.
4502 * except.c: Correct comments about rethrow behavior.
4503 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
4505 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
4507 * flow.c (make_edges): Always call make_eh_edge for calls.
4509 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
4511 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
4512 (struct cpp_buffer): Remove fname and underflow fields.
4513 (struct cpp_reader): Remove get_token field.
4514 (struct include_hash): Rename to struct ihash. Add typedef to
4516 (struct if_stack): Remove fname field.
4517 (IF_STACK_FRAME): Rename to IF_STACK.
4519 * cpperror.c (print_containing_files): Trust that there are no
4520 macro buffers below the top file buffer.
4521 * cppfiles.c: Replace all references to 'struct include_hash'
4522 with 'IHASH'. Rename initialize_input_buffer to
4523 init_input_buffer. Don't set or reference cpp_buffer->fname,
4524 use buffer->ihash->name instead.
4525 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
4526 not CPP_NULL_BUFFER.
4527 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
4528 IF_STACK_FRAME, IHASH not struct include_hash.
4529 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
4530 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
4531 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
4532 references to cpp_buffer->fname (delete entirely, or use
4533 ->ihash->name instead) and IF_STACK->fname.
4534 (cpp_push_buffer): Don't set new->underflow.
4535 (do_include): Use cpp_file_buffer.
4537 * cpphash.c (collect_formal_parameters): Remove duplicate
4538 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
4539 used as a macro argument name. Don't append "..." to namebuf
4540 for varargs macros. After we're done scanning, go through
4541 namebuf and make it NUL separated, not comma separated.
4542 (_cpp_compare_defs): Remove register tag from variables.
4543 Expect defn->argnames to be NUL separated.
4544 (_cpp_dump_definition): Expect defn->argnames to be NUL
4545 separated and in forward order.
4546 * cpphash.h: Update documentation of argnames field.
4548 2000-03-08 Richard Henderson <rth@cygnus.com>
4550 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
4551 to fail. Don't pre-expand the source operand.
4553 * i386.md (strlensi): Initialize eoschar and align before use.
4555 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
4557 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
4558 CONSTRUCTOR element.
4560 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
4562 * mips.c (mips_expand_prologue): If the last
4563 named argument is the vararg marker "va_list", treat it as
4564 an unnamed argument.
4566 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
4568 * dbxout.c (dbxout_parms): When correcting for promoted
4569 big-endian parameters, use the mode of the DECL_RTL rather
4570 than UNITS_PER_WORD.
4572 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
4574 * c-common.h (make_fname_decl): Declare.
4575 * c-common.c (make_fname_decl): Define.
4576 (declare_hidden_char_array): Remove.
4577 (declare_function_name): Use make_fname_decl.
4578 * c-decl.c (c_make_fname_decl): New function.
4579 (init_decl_processing): Set make_fname_decl.
4581 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
4583 * cccp.c (handle_directive): Initialize backslash_newlines_p.
4585 2000-03-07 Philipp Thomas <pthomas@suse.de>
4587 * po/POTFILES.in: Remove cppalloc.c from file list.
4589 2000-03-07 Steve Chamberlain <sac@pobox.com>
4591 * pj.c (pj_expand_prologue): current_function->args_info is
4592 now current_function_args_info.
4594 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
4595 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
4596 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
4598 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4600 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
4601 output as hexadecimal rather than the default octal.
4603 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
4605 * cpphash.c (special_symbol): Fix thinko in previous commit.
4607 2000-03-07 Neil Booth <NeilB@earthling.net>
4609 * cppexp.c (struct operation, left_shift, right_shift,
4610 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
4611 "int"s to "unsigned int"s.
4612 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
4614 * cpplib.h: Update for above.
4615 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
4616 returned from allocations.
4618 * cppinit.c (opt_comp, parse_options): New functions.
4619 (handle_option): Use parse_option to parse a single command
4620 line option, that possibly takes an argument.
4621 (cpp_handle_options): Sort the array of command line options on
4622 first invocation (non-ASCII hosts only).
4623 (print_help): Update.
4625 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
4627 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
4628 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
4630 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
4632 * cppinit.c (cpp_cleanup): Free imp->nshort also.
4634 * cpperror.c (cpp_print_containing_files,
4635 cpp_print_file_and_line, v_cpp_message): Rename to
4636 print_containing_files, print_file_and_line, and v_message.
4637 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
4638 to _cpp_parse_expr, parse_escape, and lex.
4639 (parse_charconst): Remove broken multibyte support.
4640 * cppfiles.c (include_hash): Make static.
4641 (cpp_included): New function.
4642 (merge_include_chains, find_include_file, finclude,
4643 simplify_pathname): Rename to _cpp_merge_include_chains,
4644 _cpp_find_include_file, _cpp_read_include_file, and
4645 _cpp_simplify_pathname.
4646 * cpphash.c (cpp_lookup, free_definition, delete_macro,
4647 cpp_install, create_definition, macroexpand, compare_defs,
4648 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
4649 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
4650 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
4651 * cppinit.c (cpp_handle_option): Rename to handle_option, make
4653 * cpplib.c: Remove extern prototype of cpp_parse_expr.
4655 * cpphash.h: Update prototypes.
4656 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
4658 2000-03-07 Andrew Haley <aph@cygnus.com>
4660 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
4661 PTRDIFF_TYPE should be based solely on Pmode.
4664 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4666 * rtl.h (rtunion_def): Constify member `rtstr'.
4667 (emit_line_note_after, emit_line_note, emit_line_note_force,
4668 emit_note, decode_asm_operands): Constify.
4670 * cse.c (canon_hash): Likewise.
4672 * dbxout.c (dbxout_block): Likewise.
4674 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
4675 v_warning_for_asm): Likewise.
4677 * dwarfout.c (function_start_label): Likewise.
4679 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
4680 emit_line_note_force): Likewise.
4682 * final.c (last_filename, asm_insn_count, final_scan_insn,
4683 output_source_line): Likewise.
4685 * function.h (struct emit_status): Likewise.
4687 * gcse.c (hash_expr_1): Likewise.
4689 * genattr.c (gen_attr, main): Likewise.
4691 * genattrtab.c (struct function_unit, current_alternative_string,
4692 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
4693 attr_numeral, check_attr_test, check_attr_value,
4694 convert_set_attr_alternative, convert_set_attr,
4695 compute_alternative_mask, simplify_by_exploding, gen_attr,
4696 gen_unit): Likewise.
4698 * genflags.c (gen_insn): Likewise.
4700 * gengenrtl.c (type_from_format): Likewise.
4702 * genopinit.c (gen_insn): Likewise.
4704 * genoutput.c (n_occurrences, process_template, process_template):
4707 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
4710 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
4713 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
4714 ggc_set_mark, ggc_get_size): Likewise.
4716 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
4718 * optabs.c (init_one_libfunc): Likewise.
4720 * output.h (assemble_start_function): Likewise.
4722 * recog.c (decode_asm_operands): Likewise.
4724 * toplev.c (rest_of_compilation): Likewise.
4726 * tree.h (emit_line_note_after, emit_line_note,
4727 emit_line_note_force): Likewise.
4729 * varasm.c (asm_output_bss, asm_output_aligned_bss,
4730 asm_emit_uninitialised, assemble_start_function,
4731 assemble_variable, const_hash, compare_constant_1,
4732 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
4734 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
4736 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
4738 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
4740 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
4742 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
4743 arm_dllimport_name_p): Likewise.
4745 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
4748 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
4750 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4752 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
4753 arm_mark_dllexport, arm_mark_dllimport,
4754 arm_pe_encode_section_info): Likewise.
4756 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
4757 ASM_FINISH_DECLARE_OBJECT): Likewise.
4759 * arm/thumb.c (thumb_function_prologue): Likewise.
4761 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
4763 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4765 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
4767 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
4769 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
4771 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4773 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
4774 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
4776 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
4778 * i386/i386.c (asm_output_function_prefix): Likewise.
4780 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
4782 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4784 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
4786 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
4787 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
4788 ASM_OUTPUT_SECTION_NAME): Likewise.
4790 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
4792 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
4794 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
4796 * m32r/m32r.c (m32r_encode_section_info): Likewise.
4798 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4800 * mcore/mcore.c (mcore_encode_section_info): Likewise.
4802 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4804 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4806 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4808 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
4810 * mips/mips.md (movdi, movsi): Likewise.
4812 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4814 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4816 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4818 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
4819 ASM_OUTPUT_ASCII): Likewise.
4821 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
4822 output_mi_thunk, output_toc): Likewise.
4824 * rs6000/rs6000.md (movsi): Likewise.
4826 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
4828 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
4830 * v850/v850.c (print_operand, print_operand_address,
4831 v850_encode_data_area): Likewise.
4833 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
4835 * config/mips/mips.md (zero_extendsidi2): Always force operand
4836 one to memory for mips16.
4838 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4840 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
4841 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
4842 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
4843 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
4844 (min_precision): Result is unsigned.
4845 (add_double, neg_double, mul_double): Low word is unsigned.
4846 (lshift_double, rshift_double, lrotate_double): Likewise.
4847 (rrotate_double, div_and_round_double): Likewise.
4848 (tree_floor_log2, compare_tree_int): New functions.
4849 (preserve_rtl_expr_temps): New declaration.
4850 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
4851 (decl_attributes): Use tree_log2 to find alignment.
4852 Check for TREE_INT_CST_HIGH for format args.
4853 (min_precision): Now unsigned.
4854 Use tree_floor_log2.
4855 (truthvalue_conversion): Delete long-disabled code.
4856 * c-decl.c (finish_struct): Clean up tests on field width.
4857 (finish_function): Use compare_tree_int.
4858 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
4859 * c-typeck.c (comptypes): Use tree_int_cst_equal.
4860 (default_conversion, digest_init): Use compare_tree_int.
4861 (build_binary_op): Use integer_all_onesp and compare_tree_int.
4862 Fix type errors in forming masks.
4863 * calls.c (initialize_argument_information): Use compare_tree_int.
4864 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
4865 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
4866 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
4867 (store_field): Use compare_tree_int.
4868 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
4869 (expand_expr, case ARRAY_REF): Use compare_tree_int.
4870 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
4871 (do_store_flag): Use compare_tree_int.
4872 * fold-const.c (encode, decode): Low part is always unsigned.
4873 (force_fit_type, add_double, neg_double, mul_double): Likewise.
4874 (lshift_double, rshift_double, lrotate_double): Likewise.
4875 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
4876 (fold_convert): Use compare_tree_int.
4877 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
4878 (invert_truthvalue, case INTEGER_CST): Likewise.
4879 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
4880 * mkdeps.c (deps_dummy_targets): Make I unsigned.
4881 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
4882 (lshift_double, rshift_double, lrotate_double, rrotate_double):
4884 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
4885 (expand_end_case): Use compare_tree_int.
4886 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
4887 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
4888 (layout_decl): Likewise.
4889 (layout_record, layout_union): Make sizes unsigned.
4890 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
4891 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
4892 * tree.c (struct type_hash): hashcode is unsigned.
4893 (build_type_attribute_variant, type_hash_list): Likewise.
4894 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
4895 (attribute_hash_list, build_array_type, build_method_type): Likewise.
4896 (build_complex_type): Likewise.
4897 (real_value_from_int_cst): Remove unneeded casts.
4898 (integer_all_onesp): Add casts.
4899 (tree_floor_log2, compare_tree_int): New functions.
4900 (build_index_type): Use tree_int_cst_sgn.
4901 * varasm.c (assemble_variable): Use compare_tree_int.
4903 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
4905 * cpphash.c (collect_expansion): Also catch ## at start of macro.
4907 * varasm.c (make_decl_rtl): Don't add a number to members of
4909 (make_function_rtl): Likewise.
4911 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4913 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
4914 patch from 2000-01-28.
4916 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
4918 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
4919 filled with an insn from the jump target.
4921 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4923 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
4924 (c4x_external_ref): Likewise.
4925 * config/c4x/c4x.c (struct name_list): Likewise.
4927 1999-12-16 Ben Collins <bcollins@debian.org>
4929 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
4930 argument to genmultilib.
4931 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
4932 the contents into the multilib.h header.
4933 * gcc.c: Declare multilib_exclusions for the specs file.
4934 (set_multilib_dir): Use it.
4935 (print_multilib_info): Likewise.
4936 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
4937 to pass to genmultilib.
4939 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4941 * builtins.c (built_in_class_names, built_in_names): Constify a
4944 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
4946 (_mcleanup): Ensure value matches format specifier in sprintf.
4948 * cpphash.c (special_symbol): Don't needlessly cast away
4951 * cppinit.c (base_name): Delete unused prototype.
4953 * mkdeps.c (deps_init): Make definition K&R safe.
4955 * tree.h (built_in_class_names, built_in_names): Constify a
4958 2000-03-06 Jakub Jelinek <jakub@redhat.com>
4960 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
4961 floating point instructions for epilogue delay.
4963 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
4964 to gas if it supports .register pseudo.
4966 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
4967 LONG_DOUBLE_TYPE_SIZE if not defined.
4968 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
4969 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
4971 * gengenrtl.c: Likewise.
4972 * print-rtl.c: Likewise.
4974 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
4975 MASK_LONG_DOUBLE_128.
4976 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
4977 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
4978 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
4979 (SUBTARGET_SWITCHES): Define.
4980 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
4981 with -mlong-double-128.
4982 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
4983 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
4984 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
4985 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
4986 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
4987 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
4988 with -mlong-double-128.
4989 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
4990 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
4991 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
4992 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
4993 TARGET_LONG_DOUBLE_128): Define.
4994 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
4995 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
4996 long double on TARGET_ARCH64.
4998 2000-03-06 Mark Mitchell <mark@codesourcery.com>
5000 * function.c (free_temps_for_rtl_expr): Don't free slots
5001 that have been pushed into a higher level.
5004 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5006 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5008 * basic-block.h (ALLOCA_REG_SET): Remove.
5009 (INITIALIZE_REG_SET): New macro.
5010 * flow.c (update_life_info): Use it.
5011 (calculate_global_regs_live): Likewise.
5012 (propagate_block): Likewise.
5013 * global.c (build_insn_chain): Likewise.
5014 * haifa-sched.c (schedule_region): Likewise.
5016 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
5018 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
5019 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
5020 (DWARF_ARANGES_PAD_SIZE): New define.
5021 (output_aranges): Use it to pad the address range header.
5022 (DWARF_ROUND): Fix for non power of 2 rounding.
5024 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
5026 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
5028 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5030 * tree.def (RTL_EXPR): Update documentation.
5031 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
5032 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
5033 * function.c (preserve_rtl_expr_temp): New function.
5034 (preserve_rtl_expr_temps): Likewise.
5035 (preserve_rtl_expr_result): Use it.
5038 2000-03-04 Mark Mitchell <mark@codesourcery.com>
5040 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
5042 * regmove.c (copy_src_to_dest) Do not create src->dest move
5043 for unchanging destination.
5045 2000-03-04 Mark Mitchell <mark@codesourcery.com>
5047 * function.h (struct sequence_stack): Remove rtl_expr.
5048 (struct emit_staus): Likewise.
5049 (seq_rtl_expr): Remove.
5050 * tree.h (free_temps_for_rtl_expr): Don't declare.
5051 (start_sequence_for_rtl_expr): Likewise.
5052 * rtl.h (preserve_rtl_expr_result): Likewise.
5053 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
5054 (start_sequence_for_rtl_expr): Remove.
5055 (push_topmost_sequence): Don't save sequence_rtl_expr.
5056 (pop_topmost_sequence): Remove comment about not restoring it.
5057 (end_sequence): Don't set seq_rtl_expr.
5058 (init_emit): Don't initialize it.
5059 (mark_sequence_stack): Don't mark it.
5060 (mark_emit_status): Likewise.
5061 * except.c (protect_with_terminate): Use
5062 start_sequence_for_rtl_expr, not start_sequence.
5063 * expr.c (expand_expr, case RTL_EXPR): Don't call
5064 preserve_rtl_expr_result or free_temps_for_rtl_expr.
5065 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
5066 (preserve_rtl_expr_result): Remove.
5067 (free_temps_for_rtl_expr): Likewise.
5068 (pop_temp_slots): Likewise.
5069 (mark_temp_slot): Don't mark the rtl_expr.
5070 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
5071 start_sequence_for_rtl_expr.
5073 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
5075 * mkdeps.c, mkdeps.h: New files.
5076 * po/POTFILES.in: Add them.
5077 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
5078 (cpplib.o, cppinit.o): Depend on mkdeps.h.
5079 (mkdeps.o): New target.
5081 * cppfiles.c: Delete deps_output.
5082 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
5083 OBJECT_SUFFIX, and base_name.
5084 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
5086 (initialize_dependency_output): Use deps_init,
5087 deps_add_target, deps_calc_target, and deps_add_dep. Remove
5088 all the unnecessary string bashing.
5089 (cpp_finish): Use deps_write. Remove an unnecessary nesting
5091 * cpplib.c (do_include): Use deps_add_dep.
5092 * cpplib.h (struct cpp_reader): Replace deps_buffer,
5093 deps_allocated_size, deps_size, deps_column members with
5094 single pointer to a struct deps. Delete prototype of
5097 * cppinit.c: Fix thinko in previous patch.
5099 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5101 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
5102 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
5103 (mode_for_size_tree): New function.
5104 (layout_decl, layout_type): Call it and clean up BLKmode checks.
5105 * tree.h (mode_for_size_tree): New declaration.
5107 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
5109 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
5111 * stmt.c (is_body_block): Move...
5112 * dwarfout.c, dwarf2out.c: ...from here.
5113 * tree.h: Declare it.
5114 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
5115 * final.c (final_start_function): Do call remove_unnecessary_notes
5118 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
5120 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
5122 * cpplib.h (_dollar_ok): New macro.
5123 (is_idchar, is_idstart): Use it.
5124 (IStable): Rename to _cpp_IStable. Declare it const if
5125 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
5126 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
5127 is_space): Update for renamed IStable.
5129 * cppinit.c: Delete all references to FAKE_CONST and CAT
5130 macros. Define init_IStable as empty macro if gcc >=2.7 or
5131 C99. Change TABLE() to ISTABLE and hardcode name of table.
5132 (cpp_start_read): Don't change the IStable based on
5135 * cpphash.c (unsafe_chars): Add pfile argument. All callers
5136 changed. Handle '$' for char1 correctly.
5137 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
5139 * cppexp.c (tokentab2): Make const.
5140 (cpp_lex): Make toktab const.
5141 * cppinit.c (include_defaults_array): Make const.
5142 (initialize_standard_includes): Make default_include const.
5144 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
5146 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
5147 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
5148 (gen_decl_die): Likewise.
5149 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
5150 (output_decl): Likewise.
5152 * varasm.c (make_function_rtl): If we change the name used in the
5153 rtl, update DECL_ASSEMBLER_NAME accordingly.
5154 (make_decl_rtl): Likewise.
5156 * toplev.c (rest_of_compilation): Tweak formatting.
5158 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
5159 remove_unnecessary_notes.
5160 (debug_ignore_block): New fn.
5161 * toplev.h: Declare it.
5162 * emit-rtl.c (remove_unncessary_notes): Call it.
5163 * dwarf2out.c (dwarf2out_ignore_block): New fn.
5164 * dwarf2out.h: Declare it.
5165 * final.c (final_start_function): Don't call remove_unnecessary_notes
5166 if we did insn scheduling.
5168 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
5170 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
5171 * cpplib.h: Delete SET_CPP_PEDANTIC.
5173 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5175 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
5176 result is a RECORD_TYPE.
5178 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
5180 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
5182 2000-03-03 Richard Henderson <rth@cygnus.com>
5184 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
5185 addition over compliments over shifts.
5187 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5189 * reload1.c (reload_combine_note_use): Handle return register USEs.
5190 REG case: Handle multi-hard-register hard regs.
5192 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5194 * md.texi: Document use of '*' in insn pattern name.
5196 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
5198 * calls.c (special_function_p): operator new may not be malloc-like.
5200 * gcse.c (dump_hash_table): Really fix error in last change.
5202 2000-03-02 Denis Chertykov <denisc@overta.ru>
5204 * avr.c (print_operand): Use print_operand_address instead of
5206 * avr/libgcc.S: Cleanup code.
5208 2000-03-02 Richard Henderson <rth@cygnus.com>
5210 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
5212 2000-03-02 Mark Mitchell <mark@codesourcery.com>
5214 * tree.h (TYPE_ALIGN_UNIT): New macro.
5216 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
5218 * i386.c: (constant_call_address_operand): Reject CONST_INT.
5220 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
5222 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
5224 (SET_CPP_PEDANTIC): New macro.
5225 * cpplib.c (do_include): Don't bother checking system_header_p.
5226 (do_warning, do_ident, do_assert, do_unassert): Likewise.
5227 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
5229 * function.h (struct expr_status): Add x_arg_space_so_far.
5230 (arg_space_so_far): New macro.
5231 * expr.c (init_expr): Initialize it.
5232 * calls.c (emit_call_1): Reset it.
5233 (compute_argument_block_size, expand_call): Use it.
5234 (expand_call, store_one_arg): Increment it.
5236 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5238 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
5241 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
5243 * cppfiles.c (cpp_read_file): New function.
5245 * cpphash.c (collect_expansion): Make sure to reset last_token
5246 to NORM when we hit a string. Handle trailing whitespace
5247 properly when the expansion is empty.
5248 (create_definition): Disable line commands while parsing the
5250 (dump_definition): If pfile->lineno == 0, output a line
5251 command ahead of the dump, and add a trailing newline.
5253 * cppinit.c (append_include_chain): Add fifth argument, which
5254 indicates whether or not system headers are C++ aware.
5255 (initialize_standard_includes): New function,
5256 broken out of read_and_prescan. Pass 'cxx_aware' value from
5257 the include_defaults_array on to append_include_chain.
5258 (dump_special_to_buffer): Const-ify char array.
5259 (builtin_array): Don't dump __BASE_FILE__.
5260 (cpp_start_read): Use cpp_read_file. Reorder code for
5261 clarity. Don't output line commands here for -D/-A/-U
5262 switches. Don't call deps_output for files included with
5263 -include or -imacros.
5265 * cpplib.c (do_define): Don't pay any attention to the second
5267 (cpp_expand_to_buffer): Disable line commands while scanning.
5268 (output_line_command): Work in the file buffer.
5269 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
5270 Fix formatting of comments. Prototype cpp_read_file.
5272 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5274 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
5275 reference the language-equivalent of sizetype.
5276 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
5277 * fold-const.c (size_binop, size_diffop): Put back checks.
5278 * gcse.c (dump_hash_table): Fix minor error in last change.
5279 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
5280 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
5283 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
5285 * calls.c (expand_call) Do not attempt to combine stack adjustments
5286 with inhibit_defer_pop set.
5288 2000-03-01 Mark Mitchell <mark@codesourcery.com>
5290 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
5291 the DECL_SIZE for a FIELD_DECL.
5293 2000-03-01 Bruce Korb <bkorb@gnu.org>
5295 * fixinc/inclhack.tpl: remove unused symlinks
5296 * fixinc/README: GCC Maintainer info
5297 * fixinc/inclhack.sh: regen
5298 * fixinc/fixincl.sh: regen
5300 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
5302 * cpphash.c (collect_expansion): Trim trailing white space
5303 from macro definitions, but don't go past the last insertion
5306 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
5308 * i386.md (mulqi3): New pattern.
5310 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
5312 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
5314 (struct cpp_reader): Add parsing_if_directive and
5315 parsing_define_directive flags.
5316 (struct cpp_options): Remove output_conditionals flag.
5317 (check_macro_name): Delete prototype.
5319 * cpphash.h (struct macrodef): Delete.
5320 (struct reflist): Separate from struct definition.
5321 (struct definition): Remove unused fields. Add column number.
5322 (create_definition): Returns a DEFINITION *. Takes a
5323 cpp_reader * and an int.
5325 * cpphash.c (SKIP_WHITE_SPACE): Delete.
5326 (PEEKC): Copy defn from cpplib.c.
5327 (rest_extension, REST_EXTENSION_LENGTH): Delete.
5329 (struct arglist): Simplify.
5330 (collect_expansion): Rewrite. Get tokens by calling
5331 cpp_get_token. Add more error checking.
5332 (collect_formal_parameters): New function, broken out of
5333 create_definition and reworked to use get_directive_token.
5334 (create_definition): All real work is now in collect_expansion
5335 and collect_formal_parameters. do_define handles finding the
5336 macro name. Return a DEFINITION, not a MACRODEF.
5337 (macroexpand): Replace bcopy with memcpy throughout. Replace
5338 character-at-a-time copy loop with memcpy and pointer increments.
5339 (compare-defs): d1->argnames / d2->argnames might be null.
5341 * cpplib.c (copy_rest_of_line): Delete function.
5342 (skip_rest_of_line): Do all the work ourselves.
5343 (skip_string): New function.
5344 (parse_string): Use skip_string.
5345 (get_macro_name): New function.
5346 (check_macro_name): Delete.
5347 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
5348 (cpp_skip_hspace): Use CPP_BUMP_LINE.
5349 (handle_directive): ICE if we're called on a macro buffer.
5350 (do_define): Determine macro name and type (funlike/objlike)
5351 here. Expunge all uses of MACRODEF.
5352 (cpp_push_buffer): Set line_base to NULL.
5353 (do_undef, read_line_number): Don't worry about getting a POP token.
5354 (eval_if_expression): Set/reset parsing_if_directive around
5355 cpp_parse_expr. Don't clear only_seen_white.
5356 (skip_if_group): Remove output_conditionals logic. Use
5358 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
5359 tokens under appropriate conditions.
5360 (cpp_unassert): Call do_unassert not do_assert. Oops.
5362 * cppexp.c (parse_defined): New function, break out of
5364 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
5365 ourselves, with cpp_defined.
5366 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
5368 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
5369 * gcc.dg/strpaste-2.c: New.
5371 2000-02-29 Mark Mitchell <mark@codesourcery.com>
5373 * fold-const.c (size_binop): Don't asert inputs are the same and
5374 have TYPE_IS_SIZETYPE set.
5375 (size_diffop): Likewise.
5377 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
5379 * dwarfout.c (output_block): Output abstract blocks even if they
5380 don't have TREE_ASM_WRITTEN set.
5382 * calls.c (emit_library_call): Check for null REG.
5384 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
5386 * c-decl.c (current_function_decl): Move to toplev.c.
5387 (init_decl_processing): Don't add current_function_decl as a ggc
5389 * dbxout.c (dbxout_symbol): Change return type to int.
5390 (dbxout_symbol_location, dbxout_syms): Likewise.
5391 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
5392 any locals. Use current_function_func_begin_label if set.
5393 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
5394 * dwarf2out.c (dwarf2out_begin_prologue): Set
5395 current_function_func_begin_label.
5396 * final.c (final_start_function): Reset it.
5397 * toplev.c (current_function_decl): Define it here.
5398 (current_function_func_begin_label): New variable.
5399 (main): Add both as ggc roots.
5400 * tree.h (current_function_func_begin_label): Declare.
5402 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5404 * gcse.c: Cleanups throughout: mostly white-space, but also
5405 some minor rearrangement of code.
5407 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
5409 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
5410 returns a PARALLEL. Use emit_group_load and use_group_regs
5412 (emit_library_call_value): Similarly.
5414 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
5415 * pa/quadlib.asm: Remove.
5416 * pa/quadlib.c: New file.
5418 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
5419 * configure: Rebuilt.
5421 2000-02-29 Philip Blundell <pb@futuretv.com>
5423 * config/arm/conix-elf.h: New file.
5424 * configure.in (arm*-*-conix*): New configuration.
5425 * configure: Regenerate.
5427 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
5429 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
5430 don't have TREE_ASM_WRITTEN set.
5432 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5434 * Eliminate DECL_FIELD_SIZE.
5435 * builtins.c (built_in_class_names, built_in_names): New variables.
5436 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
5437 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
5438 DECL_SIZE, not DECL_FIELD_SIZE.
5439 * print-tree.c (print_node): Remove code that prints extra blank
5440 lines in some cases.
5441 Properly handle inline and builtin function cases.
5442 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
5443 * tree.h (built_in_class_named, built_in_names): New declarations.
5444 (union tree_decl): Rename internal unions to u1 and u2 and change
5445 some of their components.
5446 Add new field built_in_class.
5447 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
5448 Reflect above changes.
5449 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
5450 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
5451 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
5452 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
5454 2000-02-28 Dmitri Makarov <dim@windriver.com>
5456 * extend.texi: Document ARM's support for long/short calls.
5458 * invoke.texi: Document ARM's -mlong-calls command line switch.
5460 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
5461 (arm_encode_call_attribute): Add prototype.
5462 (arm_set_default_type_attribute): Add prototype.
5463 (arm_strip_name_encoding): Add prototype.
5465 * config/arm/arm.c (arm_init_cumulative_args): replace
5466 initialisation og 'long_calls' field with initialisation of
5467 'call_cookie' field.
5468 (enum arm_pragma_enum): New enum.
5469 (arm_pragma_long_calls): New static variable.
5470 (arm_process_pragma): Also process "#pragma long_calls_off".
5471 (arm_valid_type_attribute_p): Accept short_call attribute.
5472 (arm_comp_type_attributes): Check long/short call attributes.
5473 (arm_encode_call_attribute): New function: Encode long_call
5474 or short_call attribute in function name.
5475 (arm_set_default_type_attributes): New function: Assign
5476 default attributes to newly defined type.
5477 (current_file_function_operand): New function: Return true if
5478 the symbol is a function which has already been compiled.
5479 (arm_is_longcall_p): New function: Return true if the
5480 indicated function should be called via a long call.
5481 (arm_get_strip_length): New function. Returns number of
5482 prefix characters to be stripped from a function's name.
5483 (arm_strip_name_encoding): New function. Strip prefix characters
5484 from a function's name.
5486 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
5488 (SHORT_CALL_FAG_CHAR): Define.
5489 (LONG_CALL_FAG_CHAR): Define.
5490 (ENCODED_SHORT_CALL_ATTR_P): Define.
5491 (ENCODED_LONG_CALL_ATTR_P): Define.
5492 (ARM_NAME_ENCODING_LENGTHS): Define.
5493 (STRIP_NAME_ENCODING): Define.
5494 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
5495 (ARM_ENCODE_CALL_TYPE): Define.
5496 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
5497 (ARM_DECLARE_FUNCTION_SIZE): Define.
5498 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
5500 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
5501 if a long call is needed.
5502 (call_value): Ditto.
5503 (call_symbol): Ditto.
5505 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
5506 ARM_DECLARE_FUNCTION_SIZE.
5508 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
5509 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
5510 (ARM_STRIP_NAME_ENCODING): Undefine.
5511 (STRIP_NAME_ENCODING): Undefine.
5512 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
5513 (ASM_DECLARE_FUNCTION_NAME): Ditto.
5514 (ASM_OUTPUT_COMMON): Ditto.
5515 (ASM_DECLARE_OBJECT_NAME): Ditto.
5517 * config/arm/pe.c (arm_dllexport_name_p): Check for
5519 (arm_dllimport_name_p): Ditto.
5520 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
5521 (arm_mark_dllimport): Ditto.
5523 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5525 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
5527 2000-02-28 Mark Mitchell <mark@codesourcery.com>
5529 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
5531 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
5533 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
5534 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
5535 NO_BUILTIN_WCHAR_TYPE is not defined.
5536 (CPP_WCHAR_TYPE): Delete.
5537 * cccp.c (main): Don't change wchar_type if cplusplus.
5538 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
5540 2000-02-28 Nick Clifton <nickc@cygnus.com>
5542 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
5544 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
5546 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
5547 (ASM_WEAKEN_LABEL): Define.
5549 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
5551 * expr.c (store_constructor): Do not emit USE.
5552 * rtl.h (stupid_life_analysis): Remove.
5554 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5556 * function.c (number_blocks): Reset next_block_index based on
5557 what debugging format is used, not what is defined.
5559 * lcm.c: Minor reformatting throughout.
5560 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
5562 * toplev.c (rest_of_compilation): Account for time in
5563 optimize_mode_switching.
5565 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
5566 if only marking labels.
5568 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
5570 * calls.c (expand_call): Attempt to combine stack adjustments with
5571 pending stack adjustments.
5573 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5575 * loop.c (reg_in_basic_block_p): Don't abort when falling through
5576 to the end of the function.
5578 2000-02-27 Mark Mitchell <mark@codesourcery.com>
5580 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
5582 * final.c (next_block_index): Remove.
5583 (max_block_depth): Likewise.
5584 (pending_blocks): Likewise.
5585 (init_final): Don't initialize them.
5586 (final_start_function): Don't set next_block_index. Set up
5588 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
5589 * function.h (number_blocks): New function.
5590 * function.c (get_block_vector): New function.
5591 (identify_blocks): Use it.
5592 (reorder_blocks): Set NOTE_BLOCK.
5593 (number_blocks): New function.
5594 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
5595 * tree.h (BLOCK_NUMBER): New macro.
5596 (tree_block): Add block_num field.
5597 * dbxout.c (next_block_number): Remove.
5598 (dbxout_init): Don't set it.
5599 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
5600 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
5602 * toplev.c (rest_of_compilation): Always call
5603 find_loop_tree_blocks. Fix indentation.
5604 * dwarf2out.c (next_block_number): Remove.
5605 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
5606 to determine block numbers.
5607 (gen_inlined_subroutine_die): Likewise.
5608 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
5609 (decls_for_scope): Don't increment next_block_number.
5610 * dwarfout.c (next_block_number): Remove.
5611 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
5612 to determine block numbers.
5613 (output_inlined_subroutine_die): Likewise.
5614 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
5615 (output_decls_for_scope): Don't increment next_block_number.
5616 * sdbout.c (next_block_number): Remove.
5617 (sdbout_block): Use BLOCK_NUMBER.
5618 (sdbout_begin_block): Simplify.
5619 * xcoffout.c (next_block_number): Remove.
5620 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
5621 (xcoffout_begin_block): Don't set next_block_number.
5622 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
5625 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5627 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
5628 (expand_builtin_strcpy): Pass correct type to size_binop.
5629 (expand_builtin_strcmp): Likewise.
5630 Clean up conditional structure.
5631 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
5632 (complete_array_type): Don't use size_binop for MAXINDEX.
5633 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
5634 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
5635 (c_alignof): Use size_one_node.
5636 (build_unary_op): Pass arg of proper type to size_binop.
5637 (really_start_incremental_init, push_init_level): Use sizetype for
5638 constructor{,_bit,_unfilled}_index.
5639 (pop_init_label, output_init_element): Likewise.
5640 (output_pending_init_elements, process_init_element): Likewise.
5641 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
5642 * expr.c (store_expr): Use size_int.
5643 (store_constructor): Use proper types for size_binop args.
5644 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
5645 (expand_expr_unaligned): Likewise.
5646 (string_contant): Return object of sizetype.
5647 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
5648 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
5649 (ARGS_SIZE_TREE): Pass proper types to size_binop.
5650 * fold-const.c (int_const_binop): Refine when size_int is called.
5651 (fold_convert): Likewise.
5652 (size_int_wide): Rework to take KIND as arg, only take low order
5653 bits, handle new sizetype_tab datatype, and chain entries in
5655 (size_int_type_wide): New function.
5656 (size_binop): Validate types of arguments.
5657 (ssize_binop): Deleted.
5658 (size_diffop): New function.
5659 (extract_muldiv): Only fold division into multiplication for sizetypes.
5660 * function.c (assign_parms): Use size_diffop and make sure
5661 VAR field is of ssizetype; also pass proper type to size_binop.
5662 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
5663 (round_down): Deleted from here.
5664 * store-layout.c (sizetype_tab): Now an array.
5665 (sizetype_set, early_root_list): New variables.
5666 (variable_size): Use size_one_node.
5667 (round_up): Pass proper type to size_binop.
5668 (round_down): Moved to here and corrected as above.
5669 (layout_record): Pass proper arg types to size_binop.
5670 (layout_type): Likewise.
5671 If sizetype_set is zero, record the type just laid out.
5672 (make_unsigned_type): Don't call set_sizetype;
5673 (make_signed_type): Likewise; also, call fixup_signed_type.
5674 (initialize_sizetypes): New function.
5675 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
5676 set name of bitsizetype to "bit_size_type".
5677 Fix up type of sizes of all types made before call.
5678 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
5679 * tree.c (fix_sizetype): Deleted.
5680 (build_common_tree_nodes): Call initialize_sizetypes.
5681 (build_common_tree_nodes_2): Don't call fix_sizetype.
5682 * tree.h (TYPE_IS_SIZETYPE): New macro.
5683 (initialize_sizetype): New declaration.
5684 (enum size_type_kind): New type.
5685 (struct sizetype_tab): Deleted.
5686 (sizetype_tab): Now array; adjust sizetype macros.
5687 (size_diffop, size_int_type_wide): New functions.
5688 (size_int_wide): Change number of args and type; access macros changed.
5689 (ssize_int, sbitsize_int): New macros.
5690 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
5691 (ROUND_TYPE_SIZE_UNIT): New macro.
5693 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
5695 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
5697 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5699 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
5700 Mark as possibly unused.
5702 * cse.c (cse_insn): Delete dead code involving tablejump.
5703 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
5705 * Makefile.in (libcpp.a): Start by deleting it.
5707 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5709 * cpplib.h (enum file_change_code): Added rename_file.
5710 * cpplib.c (do_line): If a filename is given, set file_change to
5712 (output_line_command): If file_change is rename_file, always
5713 output a # directive with the file name.
5715 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
5717 2000-02-26 Mark Mitchell <mark@codesourcery.com>
5719 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
5720 when copying a PARM_DECL or RESULT_DECL.
5722 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5724 * fix-header.c (recognized_function): Also fix prototypes for
5725 functions taking "void".
5727 2000-02-26 Geoff Keating <geoffk@cygnus.com>
5729 * reload1.c (do_output_reload): Check reg_reloaded_valid before
5730 looking at reg_reloaded_contents.
5732 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
5734 * Makefile.in (STMP_FIXINC): New toggle.
5735 (LIBGCC2_DEPS): Delete all references.
5736 (stmp-headers): Delete target. All references either deleted
5737 or changed to stmp-int-headers.
5738 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
5739 (LIBCPP_OBJS): Take out cppalloc.o.
5740 (cppalloc.o): Delete target.
5741 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
5742 (gen-protos, fix-header): Link with libiberty.a.
5743 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
5746 * configure.in: Remove refs to strerror.
5747 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
5748 * system.h: Take out strerror stanza.
5750 * cpperror.c (my_strerror): Delete function.
5751 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
5752 * cppmain.c (main): Call xmalloc_set_program_name first thing.
5753 * cppalloc.c: Delete file.
5754 * gen-protos.c: Don't provide xrealloc.
5756 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
5757 xstrerror throughout.
5759 2000-02-26 Bruce Korb <bkorb@gnu.org>
5761 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
5762 match for DOS headers, too.
5763 * fixinc/inclhack.sh,fixincl.x: Regenerate.
5765 2000-02-26 Geoff Keating <geoffk@cygnus.com>
5767 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
5768 is right for most ELF targets.
5769 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
5770 Let the default file use %U properly.
5771 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
5774 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
5777 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5779 * toplev.c (documented_lang_options): Correct spelling error.
5780 (decode_d_option, decode_f_option, main): Likewise.
5782 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
5784 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
5785 to tell assembler it is permitted to expand large constants.
5787 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
5789 * protoize.c: (AUX_INFO_SUFFIX): New macro.
5790 (aux_info_suffix): Use.
5791 (SAVE_SUFFIX): New macro.
5793 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
5794 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
5795 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
5797 * invoke.texi (Running Protoize): Update documentation.
5799 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
5801 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
5803 2000-02-25 John Wehle (john@feith.com)
5805 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
5807 2000-02-25 Anthony Green <green@cygnus.com>
5809 * toplev.c (rest_of_compilation): Rebuild jump labels if
5810 combine_instructions has created a new direct jump.
5811 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
5813 (combine_instructions): Call try_combine with new argument.
5814 Return non-null value when new direct jump instruction is created.
5815 * rtl.h: combine_instructions returns an int.
5817 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
5819 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
5820 jump when changing a computed jump into a jump to a known
5823 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
5825 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
5826 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
5828 * i386.md (define_expand "clrstrsi"): Fix typo.
5830 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
5832 * rtl.texi: Fix typo.
5834 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5836 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
5837 UNITS_PER_WORD. Change caller initial_elimination_offset.
5838 (rounded_frame_size): Take into account that argument pushed has
5839 changed. Fix TARGET_ALIGN_DOUBLE problem.
5841 2000-02-25 Geoff Keating <geoffk@cygnus.com>
5843 * haifa-sched.c (schedule_block): Explain the real reason
5844 we delete REG_SAVE_NOTEs on the first insn of a block.
5845 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
5847 2000-02-24 Mark Mitchell <mark@codesourcery.com>
5849 * input.h (push_srcloc): New function.
5850 (pop_srcloc): Likewise.
5851 * toplev.c (push_srcloc): Define it.
5852 (pop_srcloc): Likewise.
5854 2000-02-24 Richard Henderson <rth@cygnus.com>
5856 * flow.c (life_analysis): When collecting reg info, clear
5859 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5861 Fix bug exposed by reload.c no longer rounding the frame
5862 size to BIGGEST_ALIGNMENT:
5863 * sh.c (rounded_frame_size): New function.
5864 (sh_expand_prologue, sh_expand_epilogue): Use it.
5865 (initial_elimination_offset): Likewise.
5867 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5869 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
5870 * sh-protos.h (sh_need_epilogue): Declare.
5871 * sh.c (sh_need_epilogue_known): New static variable.
5872 (sh_need_epilogue): New function.
5873 (function_epilogue): Clear need_epilogue_known.
5874 * sh.md (return): Split into expander / insn pattern.
5875 Make the expander conditional on ! sh_need_epilogue ().
5877 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
5879 * machmode.h (get_mode_alignment): Declare.
5880 (GET_MODE_ALIGNMENT): Call it.
5881 * stor-layout.c (get_mode_alignment): New function. Make
5882 sure alignment is always power of 2.
5884 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
5886 * i386.h: Remove useless definition of "I386" and misleading
5889 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
5891 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
5892 under which TREE_PERMANENT will be set.
5893 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
5894 build1): Use TREE_SET_PERMANENT.
5895 * print-tree.c (print_node): Don't report value of
5896 TREE_PERMANENT if ggc_p is true.
5898 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
5899 decide whether to give a type a new alias set.
5900 * objc/objc-act.c (build_objc_string_object): Never copy the string.
5901 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
5902 of value of 'obstack'.
5905 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5907 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
5909 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5911 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
5912 * cpplib.c (cpp_get_token): Produce them.
5913 * cppexp.c (cpp_lex): Handle them.
5915 2000-02-23 Nick Clifton <nickc@cygnus.com>
5917 * config/arm/arm.c (arm_comp_type_attributes): Simply and
5918 comment tests on type attributes.
5920 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5922 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
5923 conform to documentation.
5924 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
5925 to check for special cases.
5926 * sh-protos.h (sh_loop_align): Declare.
5927 * sh.c (sh_loop_align): Define.
5929 2000-02-22 Andrew Haley <aph@cygnus.com>
5931 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
5932 (SIZE_TYPE): Is 32 bits when using -mgp32.
5933 (PTRDIFF_TYPE): Ditto.
5935 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5937 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
5939 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
5941 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
5942 BIGGEST_FIELD_ALIGNMENT a constant.
5944 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
5946 * dwarf2out.c (output_line_info): Put the marker for the end of
5947 the line number info at the actual end.
5948 (gen_struct_or_union_type_die): Use decl_function_context
5949 to check for local classes.
5950 * dwarfout.c (output_type): Likewise.
5952 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
5954 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
5955 for arguments with a mode, but no type.
5956 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
5957 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
5958 * pa/long_double.h: New file.
5959 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
5960 both have 128bit wide long doubles.
5961 * configure: Rebuilt.
5963 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5965 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
5967 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
5968 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
5969 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
5971 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
5973 * integrate.c (compare_blocks, find_block): Likewise.
5975 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
5977 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
5979 * stmt.c (stmt_status, set_file_and_line_for_stmt,
5980 expand_asm_operands): Likewise.
5982 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
5984 * predict.c (estimate_probability): Added the pointer heuristic to
5985 the collection of static branch predictors.
5987 2000-02-21 Catherine Moore <clm@cygnus.com>
5989 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
5990 * invoke.texi (-mfix7000): Document.
5992 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
5994 * diagnostic.c (init_output_buffer): Make it possible to output at
5995 least 32 characters if we're given a too long prefix.
5997 2000-02-20 Mark Mitchell <mark@codesourcery.com>
5999 * varasm.c (initializer_constant_valid_p): Call
6000 lang_expand_constant to simplify the constant.
6002 2000-02-20 Bruce Korb <bkorb@gnu.org>
6004 * fixinc/inclhack.def(stdio_va_list):
6005 typedef needs to be disabled.
6006 * fixinc/inclhack.sh: regen
6007 * fixinc/fixincl.x: regen
6009 2000-02-20 Geoff Keating <geoffk@cygnus.com>
6011 * print-rtl.c (print_rtx): Don't print addresses when
6012 flag_dump_unnumbered.
6014 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6016 * sparc.c (sparc_output_scratch_registers): Mark parameter with
6018 (sparc_va_arg, sparc_flat_output_function_prologue,
6019 sparc_flat_output_function_epilogue): Cast value to unsigned in
6021 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
6023 * sparc.md: Add default case in switch.
6025 2000-02-19 Richard Henderson <rth@cygnus.com>
6027 * c-typeck.c (add_pending_init): Don't abort for multiple
6028 fields at the same offset.
6029 (pending_init_member): Test the correct member.
6031 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6033 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
6035 (start_catch_handler) : Same.
6037 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
6039 * Makefile.in: Have flow.o depend on $(EXPR_H)
6041 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6043 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
6044 * c-decl.c (duplicate_decls, finish_enum): Likewise.
6045 (finish_decl): Remove -Wlarger-than code from here.
6046 * flags.h (id_clash_len): Now int.
6047 (larger_than_size): Now HOST_WIDE_INT.
6048 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
6049 Clean up checking to see if in table.
6050 (make_bit_field_ref): Remove extra parm to bitsize_int.
6051 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
6052 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
6053 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
6054 and for computing size of decl.
6055 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
6056 Move -Wlarger-than code to here.
6057 (layout_record): Remove extra arg to bitsize_int.
6058 Set TYPE_BINFO_SIZE_UNIT.
6059 (layout_union): Remove extra arg to bitsize_int.
6060 Use proper type for size of QUAL_UNION.
6061 (layout_type): Remove extra arg to bitsize_int.
6062 * toplev.c (id_clash_len): Now int.
6063 (larger_than_size): Now HOST_WIDE_INT.
6064 (decode_W_option): Clean up id-clash and larger-than- cases.
6065 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
6066 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
6067 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
6068 (struct tree_decl): New field size_unit.
6069 (size_int_wide): No HIGH operand; NUMBER is now signed.
6070 (size_int_2): Deleted.
6071 (size_int, bitsize_int): Don't use it and rework args.
6072 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
6074 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
6076 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
6078 2000-02-18 Geoff Keating <geoffk@cygnus.com>
6080 * invoke.texi (Warning Options): Add an explanation of why
6081 you might want the -Wfloat-equal flag.
6083 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6085 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
6086 * cppinit.c (new_pending_define): Add cast to avoid warning.
6087 * expmed.c (extract_bit_field): Likewise.
6088 * flow.c (enum reorder_skip_type): New type.
6089 (skip_insns_between_blcok): New it.
6090 Rework to avoid warning about possibly undefined variable.
6091 * function.c (assign_parms): Make thisparm_boundary unsigned.
6092 * genrecog.c (write_switch): Cast XWINT result to int.
6093 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
6094 * mips-tfile.c (init_file): Make two versions of FDR intializer:
6095 one for MIPS and one for Alpha.
6096 (get_tag, copy_object): Add casts to avoid warnings.
6097 * optabs.c (init_one_libfunc): Cast NAME to (char *).
6098 * reload.c (find_reloads): Make TYPE enum reload_type.
6099 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
6100 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
6101 * varasm.c (compare_constant_1): Add cast to avoid warning.
6102 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
6104 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
6105 Cast switch operand of size to int.
6106 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
6107 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
6110 2000-02-18 Nick Clifton <nickc@cygnus.com>
6112 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
6113 anything for an alignment of zero.
6115 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
6116 anything for an alignment of zero.
6118 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
6120 * gcc.texi (Bug Reporting): Refer to bugs.html.
6121 (Bug Lists): Likewise.
6122 * system.h (GCCBUGURL): New preprocessor define.
6123 * rtl.c (fancy_abort): Use it.
6124 * gcc.c (main): Likewise.
6126 2000-02-18 Richard Henderson <rth@cygnus.com>
6128 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
6129 (life_analysis_1): Subsume into ...
6130 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
6131 Use update_life_info for the relaxation.
6132 (update_life_info): Update REG_BASIC_BLOCK for registers live on
6133 entry and regs_live_at_setjmp.
6134 (set_noop_p): Simplify.
6135 (notice_stack_pointer_modification_1): Renamed from s/_1//.
6136 (record_volatile_insns): Split into ...
6137 (delete_noop_moves): ... here,
6138 (notice_stack_pointer_modification): ... here,
6139 (insn_dead_p): ... and here.
6140 (propagate_block): Don't query INSN_VOLATILE.
6141 (mark_used_regs): Mind !PROP_REG_INFO.
6142 * toplev.c (rest_of_compilation): Call mark_constant_function here,
6143 not in life_analysis.
6145 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
6147 * loop.c (canonicalize_condition): New function,
6148 broken out of get_condition.
6149 (get_condition): Use it.
6150 * expr.h (canonicalize_condition): Prototype it.
6152 * tree.h (tree_int_cst_msb): Declare.
6153 * tree.c (tree_int_cst_msb): New function.
6155 2000-02-17 Mark Mitchell <mark@codesourcery.com>
6157 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
6160 * invoke.texi (-fmessage-length=n): Document.
6162 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
6164 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
6166 2000-02-17 Mark Mitchell <mark@codesourcery.com>
6168 * function.c (thread_prologue_and_epilogue_insns): Put a line note
6171 2000-02-17 Nick Clifton <nickc@cygnus.com>
6173 * config/arm/thumb.c: Replace includes of system headers with
6174 #include "system.h".
6176 2000-02-16 Richard Henderson <rth@cygnus.com>
6178 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
6179 Add crtbeginS.o and crtendS.o.
6180 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
6181 (ENDFILE_SPEC): Use crtendS.o.
6182 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
6184 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
6185 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
6187 (__dso_handle): New variable.
6188 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
6189 bias to __CTOR_END__.
6191 2000-02-16 Richard Henderson <rth@cygnus.com>
6193 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
6195 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
6197 * longlong.h (__clz_tab): Declare as static to match definition.
6199 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
6200 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
6201 (XREF_FILE_NAME): Define.
6203 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
6204 (EH_FRAME_SECTION_ASM_OP): Define.
6205 (IDENT_ASM_OP): Define.
6206 (TEXT_SECTION_ASM_OP): Define.
6208 (CTORS_SECTION_ASM_OP): Define.
6209 (CTOR_SECTION_FUNCTION): Use it.
6210 (DTORS_SECTION_ASM_OP): Define.
6211 (DTOR_SECTION_FUNCTION): Use it.
6213 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
6215 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
6218 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
6219 debug_bb_n): New functions.
6220 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
6221 * basic-block.h: Prototype new functions.
6223 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
6225 * configure.in: Add support for avr target.
6226 * configure: Rebuilt.
6228 * invoke.texi: Add AVR invocation docs.
6229 * install.texi: Add information about AVR.
6230 * md.texi: Add AVR constraint letters description.
6231 * extend.texi: Add description for AVR specific attributes.
6233 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
6235 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
6237 2000-02-16 Nick Clifton <nickc@cygnus.com>
6239 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
6240 (make_insn_raw): Move RTL check here.
6242 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6244 * version.c: Include gansidecl.h and version.h.
6246 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
6248 * configure.in (gcc_version): When setting, narrow search to
6249 lines containing `version_string'.
6251 * Makefile.in (mainversion): Likewise.
6252 (GCC_H): New variable.
6253 (gcc.h): Delete target.
6254 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
6255 (version.o): Depend on version.h.
6256 (dbxout.o): Don't depend on gcc.h.
6258 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
6259 Michael Meissner <meissner@cygnus.com>
6261 * md.texi (Simple Constraints): Add item about whitespace.
6262 * genoutput.c (strip_whitespace): New.
6263 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
6264 strip_whitespace for constraints.
6265 Test pointer using NULL, not 0.
6267 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6269 * cpplib.c (do_line): Pedwarn for #line > 32767.
6271 * c-lex.c (readescape): Warn about '\x', but do not reject it.
6273 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
6275 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
6276 to default cpp spec.
6277 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
6278 * cpp.texi: Document __GNUC_PATCHLEVEL__.
6281 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
6284 2000-02-15 Denis Chertykov <denisc@overta.ru>
6286 * configure.in: Add support for avr target.
6288 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6290 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
6291 (sh_addr_diff_vec_mode): Don't declare.
6292 * sh.c (sh_addr_diff_vec_mode): Delete.
6294 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6296 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
6298 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6300 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
6301 (smulsi3_highpart_i): Name.
6302 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
6303 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
6304 (smulsi3_highpart, umulsi3_highpart): Likewise.
6306 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
6307 correctly independent of endianness.
6308 (mulsidi3, umulsidi3): Now define_insn. Hide details that
6309 confuse the optimizers.
6310 (mulsidi3+1, umulsidi3+1): New define_split.
6312 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
6314 * config/sh/sh.md: Guard insn splits against illegal registers.
6315 * config/sh/sh.h: Correct comment about macros.
6317 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6318 Andrew MacLeod <amacleod@cygnus.com>
6320 * Makefile.in (lcm.o): Depend on insn-attr.h.
6321 * basic-block.h (optimize_mode_switching): Declare.
6322 * lcm.c (tm_p.h, insn-attr.h): #include.
6323 (seginfo, bb_info): New structs.
6324 (antic, transp, comp, delete, insert) : New file-scope static variables.
6325 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
6326 (reg_becomes_live, optimize_mode_switching): Likewise.
6327 * tm.texi: Add description of mode switching macros.
6328 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
6330 * sh-protos.h (remove_dead_before_cse): Remove prototype.
6331 (fldi_ok, fpscr_set_from_mem): New prototypes.
6332 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
6333 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
6334 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
6335 (sh_flag_remove_dead_before_cse): Remove declaration.
6336 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
6337 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
6338 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
6339 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
6340 (barrier_align): Allow for JUMP_INSNS containing a parallel.
6341 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
6342 (fldi_ok): New function.
6343 (get_fpscr_rtx): Add fpscr_rtx as GC root.
6344 (emit_sf_insn): Only generate fpu switches when optimize < 1.
6345 (emit_df_insn): Likewise.
6346 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
6347 (sh_flag_remove_dead_before_cse): Delete.
6348 (get_free_reg, fpscr_set_from_mem): New functions.
6349 * sh.md (movdf, movsf): Remove no_new_pseudos code.
6350 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
6352 2000-02-15 Loren Rittle <ljrittle@acm.org>
6354 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
6356 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6358 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
6359 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
6361 * cccp.c: Include version.h and/or don't declare `version_string'.
6362 * collect2.c: Likewise.
6363 * alpha.c: Likewise.
6364 * arm/aof.h: Likewise.
6365 * arm/coff.h: Likewise.
6366 * arm/elf.h: Likewise.
6367 * arm/pe.h: Likewise.
6368 * arm/tcoff.h: Likewise.
6369 * arm/telf.h: Likewise.
6370 * arm/tpe.h: Likewise.
6371 * arm/vxarm.h: Likewise.
6372 * convex/convex.c: Likewise.
6373 * i386/dgux.c: Likewise.
6374 * i386/sun386.h: Likewise.
6375 * m88k/m88k.c: Likewise.
6376 * mcore/mcore-pe.h: Likewise.
6377 * mips/mips.h: Likewise.
6378 * romp/romp.h: Likewise.
6379 * sh/sh.c: Likewise.
6380 * cpphash.c: Likewise.
6381 * cppinit.c: Likewise.
6382 * dwarf2out.c: Likewise.
6383 * dwarfout.c: Likewise.
6386 * mips-tfile.c: Likewise.
6387 * protoize.c: Likewise.
6388 * toplev.c: Likewise.
6391 * version.c (version_string): Constify a char*.
6393 * version.h: New file.
6395 2000-02-14 Nick Clifton <nickc@cygnus.com>
6397 * configure.in: Add mcore-elf and mcore-pe targets.
6398 * configure: Regenerate.
6400 * NEWS: Add note that MCore port has been contributed.
6402 * invoke.texi: Document command line switches for MCore port.
6403 * install.texi: Add MCore to list of supported targets.
6405 2000-02-14 Geoff Keating <geoffk@cygnus.com>
6407 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
6408 then we will need to import the frame handling functions.
6409 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
6410 to import the frames themselves.
6412 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
6413 Jason Eckhardt <jle@cygnus.com>
6415 * basic_block.h: Added prototype for reorder_basic_blocks.
6416 * toplev.c: Changes to add -freorder-blocks and graph dump after
6417 block reordering is done.
6418 * flow.c (reorder_block_def): New structure for use during block
6420 (REORDER_BLOCK_*): New macros to access members of above structure.
6421 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
6422 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
6423 functions for block reordering.
6425 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
6427 * gcc.texi (Passes): Fix typo.
6428 * md.texi (Standard Names): Ditto.
6429 * tm.texi (Storage Layout): Ditto.
6431 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
6433 * cpplib.c (do_define): Only free the old definition if it
6436 2000-02-13 Neil Booth <NeilB@earthling.net>
6438 * cppfiles.c (read_and_prescan): When emitting deferred
6439 newlines, test speccase[] again instead of checking each
6440 possible whitespace character in turn. When we encounter \r,
6441 look behind for \n first, then ahead.
6443 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
6445 * cse.c (cse_altered): New internal flag.
6446 (cse_insn): Set it if we changed an insn.
6447 (cse_main): Clear cse_altered before each basic block.
6448 Only garbage collect if cse_altered is true afterward.
6450 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6452 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
6454 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
6456 * combine.c (simplify_comparison): Fix typo.
6458 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
6460 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
6463 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6465 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
6466 previously inserted node instead of root node. Caller changed.
6468 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6470 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
6472 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6474 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
6475 __dereg_frame_dtor): Add prototype argument.
6477 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
6479 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
6481 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
6483 * gthr-vxworks.h (__gthread_once): Likewise.
6485 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
6487 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
6489 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
6490 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
6491 stack pointer in functions w/o saved registers, output LEAVE more often
6492 on TARGET_USE_LEAVE machines.
6494 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
6496 * config/arm/arm.c (arm_init_cumulative_args); New function:
6497 Initlaise the CUMULATIE_ARGS strcuture for a function
6499 (arm_function_arg): New function: Determine where to place a
6500 function's argument. Also handles deciding the function's
6502 (current_file_function_operand): New function: Return true if
6503 the symbol is a function which has already been compiled.
6504 (arm_is_long_call_p): New function: Return true if the
6505 indicated function should be called via a long call.
6506 (arm_valid_type_attribute_p): New function: Return true if the
6507 attribute is a valid, arm specific, attribute.
6508 (arm_comp_type_attribute): New function: Return true if the
6509 two types have compatable, arm specific, attributes.
6511 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
6513 (FUNCTION_ARG): Redefine to call arm_function_arg.
6514 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
6516 (INIT_CUMULATIVE_ARGS): Redefine to call
6517 arm_init_cumulative_args.
6518 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
6520 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
6522 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
6524 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
6525 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
6526 (COMP_TYPE_ATTRIBUTES): Define.
6528 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
6529 if a long call is needed.
6530 (call_value): Call arm_is_long_call_p to decide if a long call
6532 (call_symbol): Call arm_is_long_call_p to decide if a long call
6535 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
6537 2000-02-11 Denis Chertykov <denisc@overta.ru>
6539 * README.AVR: New file with information about the avr ports.
6540 * config/avr: New directory with avr port files.
6542 2000-02-11 Andreas Jaeger <aj@suse.de>
6544 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
6546 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
6548 * cpphash.c: Fix formatting, update commentary.
6549 (dump_definition): Take three separate arguments instead of a
6550 MACRODEF structure argument.
6551 * cpphash.h: Update prototype of dump_definition.
6552 * cppinit.c (cpp_finish): Update call of dump_definition.
6554 * cpplib.c (do_define): Always create new hash entry with
6555 T_MACRO type. Remove redundant check for redefinition of
6556 poisoned identifier. Update call of dump_definition.
6557 (do_undef): Don't call check_macro_name. Rename sym_length to
6559 (do_error, do_warning): Don't use copy_rest_of_line or
6561 (do_warning): Don't use pedwarn for the actual warning,
6562 only the notice about its not being in the standard. (Fixes
6563 bug with #warning in system headers.)
6564 (do_ident): Stricter argument checking - accept only a single
6565 string after #ident. Also, macro-expand the line.
6566 (do_xifdef): Use cpp_defined. De-obfuscate.
6568 (do_pragma): Split out specific pragma handling to separate
6569 functions. Use get_directive_token. Update commentary. Do
6570 not pass on #pragma once or #pragma poison to the front end.
6571 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
6572 do_pragma_default): New.
6574 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
6576 * jump.c (jump_optimize_1): The first operand in a relational
6578 * optabs.c (emit_conditional_move): Handle relationals which
6579 have a known true/false result.
6581 2000-02-11 Geoff Keating <geoffk@cygnus.com>
6583 * function.c (thread_prologue_and_epilogue_insns): Don't insert
6584 a RETURN insn into a block which already ends with a jump.
6586 2000-02-11 Geoff Keating <geoffk@cygnus.com>
6588 * haifa-sched.c (BUF_LEN): Increase a lot.
6590 2000-02-11 Nick Clifton <nickc@cygnus.com>
6592 * configure.in: Add tm_p_file specification for thumb targets.
6593 * configure: Regenerate.
6595 * config/arm/thumb-protos.h: New file: Prototypes for exported
6596 functions defined in thumb.c.
6598 2000-02-11 Robert Lipe <robertl@sco.com>
6600 * Makefile.in (bootstrap-lean): Remove additional files.
6601 (bootstrap2-lean): Likewise.
6602 (VOL_FILES): List of files for above.
6604 2000-02-11 Nathan Sidwell <nathan@acm.org>
6606 * cpphash.c (special_symbol): Remove spurious argument to
6609 2000-02-11 Joel Sherrill (joel@OARcorp.com>
6611 * configure.in: (i*86-*-rtems*): Swapped elf and coff
6613 * configure: Rebuilt.
6615 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
6617 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
6619 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
6621 * pa.c, pa.h: Remove trigraph sequences within comments.
6623 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
6625 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
6627 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
6629 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
6631 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6633 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
6635 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6637 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
6638 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
6639 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
6640 (ASM_FILE_END): Use c4x_file_end.
6641 * config/c4x/c4x.c (c4x_global_label): New function.
6642 (c4x_external_ref, c4x_file_end): Likewise.
6644 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
6645 (c4x_external_ref, c4x_end_file): Likewise.
6647 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
6649 * cppexp.c: Don't include cpphash.h.
6650 (parse_charconst, cpp_lex): Use cpp_defined.
6651 (cpp_lex): Use get_directive_token throughout. Remove
6652 unnecessary cases from switch. Move assertion-handling code
6654 (cpp_parse_expr): If we see '+' or '-', check the context to
6655 determine if they are unary or binary operators. Streamline
6656 the jumps a bit. Do not call skip_rest_of_line.
6658 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
6659 static. Export get_directive_token. Update commentary.
6660 (cpp_defined): New function.
6661 (do_define): Remove reference to T_PCSTRING. Call
6662 free_definition to release memory for old definition, when
6664 (eval_if_expression): Set only_seen_white to 0 before calling
6665 cpp_parse_expr. Call skip_rest_of_line after it returns.
6666 (cpp_read_check_assertion): Don't preserve a pointer into the
6667 token buffer across a call to cpp_get_token.
6669 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
6670 * cppfiles.c (redundant_include_p): Use cpp_defined.
6671 * cpphash.c (free_definition): New function.
6672 (delete_macro): Use it. Update commentary.
6673 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
6675 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
6676 from enum node_type. Prototype cpp_defined and get_directive_token.
6677 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
6679 * fix-header.c (check_macro_names): Use cpp_defined.
6680 (read_scan_file): Set inhibit_warnings and inhibit_errors in
6681 the options structure.
6683 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6685 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
6687 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
6689 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
6690 rather than die->die_tag.
6692 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6694 * combine.c (make_extraction, force_to_mode): Avoid warning on
6695 mixed-signedness conditionals.
6696 (make_field_assignment, nonzero_bits): Likewise.
6697 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
6698 (store_split_bit_field, extract_split_bit_field): Likewise.
6699 (extract_fixed_bit_field, store_bit_field,
6700 * expr.c: Change alignment to be unsigned everywhere.
6701 (move_by_pieces, store_constructor_field, store_constructor):
6702 Alignment parm is unsigned.
6703 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6704 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
6705 (do_compare_rtx_and_jump): Likewise.
6706 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
6707 Compare align with GET_MODE_ALIGNMENT.
6708 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
6709 (get_inner_reference): Likewise.
6710 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
6711 (expand_assignment): Local vars for alignment now unsigned.
6712 (store_constructor, store_field, expand_expr, do_jump): Likewise.
6713 (do_compare_and_jump): Likewise.
6714 (store_field): Call new function expr_align.
6715 * expr.h (emit_block_move, emit_group_load, emit_group_store):
6716 Alignment arg now unsigned.
6717 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
6718 (do_compare_rtx_and_jump, store_bit_field): Likewise.
6719 (extract_bit_field): Likewise.
6720 * fold-const.c (add_double): Add cast to eliminate signedness warning.
6721 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
6722 (get_best_mode): Alignment arg is unsigned.
6723 * rtl.h (move_by_pieces): Likewise.
6724 * store-layout.c (maximum_field_alignment, set_alignment):
6726 (layout_decl): Alignment arg is now unsigned.
6727 Remove unneeded casts.
6728 (layout_record, layout_union, layout_type): Remove unneeded casts.
6729 Local alignment variables now unsigned.
6730 (get_best_mode): Alignment arg now unsigned.
6731 * tree.c (expr_align): New function.
6732 * tree.h (expr_align): Likewise.
6733 (maximum_field_alignment, set_alignment): Now unsigned.
6734 (get_inner_reference): Alignment argument is now pointer to unsigned.
6735 * varasm.c (assemble_variable): Add cast to eliminate warning.
6737 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
6739 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
6740 then store directly into op0.
6742 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
6743 the CALL_INSN, and emit the note immediately after it.
6745 2000-02-10 Nick Clifton <nickc@cygnus.com>
6747 * config/arm/thumb.md (epilogue): Include a (return) in the
6748 generated insn, and emit it using emit_jump_insn not
6751 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
6753 * function.c (assign_temp): Change zero-sized arrays to size 1.
6754 * integrate.c (expand_inline_function): Do not update
6755 stack_alignment_needed
6756 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
6757 add some sanity checking, remove optimization for function with
6760 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6762 * flow.c (mark_regs_live_at_end): Delete unused variables.
6764 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
6766 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
6767 in macro FRAME_GROWS_DOWNWARD.
6769 * stmt.c (expand_end_bindings): Delete unused variable.
6771 * unroll.c (iteration_info): Mark parameter `loop' with
6774 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6776 * fixinc/server.c (load_data): Return NULL if the marker line is
6778 (run_shell): If load_data returns NULL, retry the command once, in
6781 * configure: Rebuilt.
6783 2000-02-09 Bruce Korb <bkorb@gnu.org>
6785 * gcc/fixincludes: ** DELETED **
6786 * gcc/fixcpp: ** DELETED **
6787 * gcc/fixinc-nt.sed: ** DELETED **
6788 * gcc/just-fixinc: ** DELETED **
6789 * gcc/Makefile.in: Removed out-dated commentary
6790 * gcc/configure.in: Removed fast-fixincludes disablement.
6791 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
6793 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
6794 * function.c (thread_prologue_and_epilogue_insns): Uncomment
6797 2000-02-09 Richard Henderson <rth@cygnus.com>
6799 * jump.c (delete_insn): Don't delete user labels at -O0.
6801 2000-02-09 Robert Lipe <robertl@sco.com>
6803 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
6804 Don't link with HOST_LIBS.
6806 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
6808 * configure.in: Correct --help text for --with-dwarf2.
6809 Put tm-dwarf2.h after other tm files, if it's requested.
6810 * configure: Regenerate.
6811 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
6814 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
6816 * cpplib.h: Provide HASHNODE typedef and forward decl of
6817 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
6818 DEFINITION, struct hashnode, struct macrodef, struct
6819 definition, scan_decls prototype, default defn of
6820 INCLUDE_LEN_FUDGE moved elsewhere.
6822 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
6823 definition, and struct hashnode moved here. Remove the unused
6824 'predefined' field from struct definition. Replace the 'args'
6825 union with its sole member. All users updated (cpphash.c).
6826 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
6827 multiple include guard.
6829 * cpphash.c (hashf): Make static; use better algorithm; drop
6830 HASHSIZE parameter; return an unsigned int.
6831 (cpp_lookup): Drop HASH parameter. PFILE parameter is
6832 used. Calculate HASHSIZE modulus here.
6833 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
6835 (create_definition): Drop PREDEFINITION parameter.
6836 * cpplib.c (do_define): Don't calculate a hash value here.
6837 Don't pass (keyword == NULL) to create_definition.
6839 * scan.h: Prototype scan_decls here.
6840 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
6841 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
6842 callers of cpp_lookup and cpp_install updated.
6844 * cpphash.c (macarg): Hoist all the flag diddling out of the
6846 (macroexpand): ... and out of the loop that calls macarg.
6847 Skip over the initial paren before macro arguments with
6848 cpp_get_non_space_token; point may be some distance before
6849 that paren. Abort if it's not there.
6851 * cpplib.c (parse_clear_mark): Delete function.
6852 (parse_set_mark, parse_goto_mark): Make static.
6853 (ACTIVE_MARK_P): New macro.
6854 (skip_block_comment, skip_line_comment): Do not bump the line
6855 if ACTIVE_MARK_P is true.
6856 (cpp_pop_buffer): The buffer to be popped may not have an
6858 (cpp_get_token): When looking for the initial paren before
6859 macro arguments, only set a mark in a file buffer, Always
6860 return to that mark before proceeding to call macroexpand or
6861 return a NAME token.
6863 * cpplib.h: Remove prototypes of parse_set_mark,
6864 parse_clear_mark, parse_goto_mark.
6865 (struct cpp_options): Rename 'put_out_comments' to
6866 'discard_comments' and invert its sense.
6867 * cppinit.c, cpphash.c, cpplib.c: All users of
6868 put_out_comments changed to use discard_comments, with
6871 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
6873 * function.c (thread_prologue_and_epilogue_insns): Don't delete
6874 the edge from a block that both jumps and falls through to the
6877 2000-02-09 Scott Bambrough <scottb@netwinder.org>
6879 * config/arm/arm.md (movsi): In PIC mode, make sure that a
6880 constant source address is legitimate.
6882 2000-02-09 Philip Blundell <pb@futuretv.com>
6884 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
6887 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
6889 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
6891 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
6893 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
6894 ends with a newline and a NUL. Don't be so clever manipulating
6897 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
6899 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
6900 not to BIGGEST_ALIGNMENT.
6902 2000-02-08 Geoff Keating <geoffk@cygnus.com>
6904 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
6905 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
6906 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
6907 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
6908 * frame.c (execute_cfa_insn): Handle
6909 DW_CFA_GNU_negative_offset_extended.
6911 2000-02-08 Richard Henderson <rth@cygnus.com>
6913 * flow.c (tidy_fallthru_edges): Split out from ...
6914 (delete_unreachable_blocks): ... here.
6915 (find_basic_blocks): Use it.
6917 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6919 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
6921 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
6923 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
6924 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
6925 (fix-header.o): Don't depend on cpphash.h.
6927 * scan.c (hashstr): New function.
6928 * scan.h: Prototype it.
6929 * fix-header.c: Don't include cpphash.h. Use hashstr.
6930 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
6931 hashstr. Report hash table statistics. Add private
6932 definition of xrealloc.
6934 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6936 * i386.h (TARGET_SWITCHES): Fix typo in option name.
6938 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
6940 * function.c (thread_prologue_and_epilogue_insns): Don't replace
6941 jumps with returns unless they are jumps to the fallthru block.
6943 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
6945 * i386.md (addqi3_cc): Fix contraints.
6947 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
6949 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
6951 2000-02-07 Mark Mitchell <mark@codesourcery.com>
6953 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
6954 carriage return after a macro name.
6956 2000-02-07 Fred Fish <fnf@be.com>
6958 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
6959 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
6961 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
6963 * cppfiles.c (deps_output): Count spacers in deps_column.
6965 2000-02-07 Neil Booth <NeilB@earthling.net>
6967 * cppinit.c (initialize_dependency_output): If there is no
6968 suffix, don't try to look for known suffixes. Use strrchr.
6969 (cpp_start_read): Remove duplicate initialization.
6971 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
6973 * calls.c (compute_argument_block_size): New argument
6974 preferred_stack_boundary.
6975 (expand_call): update cfun->preferred_stack_boundary, update call of
6976 compute_argument_block_size
6977 (emit_library_call): Increate cfun->preferred_stack_boundary
6978 to PREFERRED_STACK_BOUNDARY
6979 (emit_library_call_value): Likewise.
6980 * explow.c (allocate_dynamic_stack_spave): Likewise.
6981 * function.c (prepare_function_start): Set
6982 cfun->preferred_stack_boundary
6983 * function.h (struct function): Add preferred_stack_boundary field.
6984 * integrate.c (expand_inline_function): Update
6985 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
6986 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
6987 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
6989 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
6991 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
6992 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
6993 cpp_pedwarn, cpp_pedwarn_with_line,
6994 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
6995 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
6996 v_cpp_error_with_line, v_cpp_warning_with_line,
6997 cpp_message_from_errno, cpp_perror_with_name): Delete.
6999 * cpperror.c (cpp_print_containing_files): Take starting
7001 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
7002 (v_cpp_message): Now called directly by all entry points.
7004 (cpp_pfatal_with_name, cpp_message): Delete.
7005 (cpp_notice_from_errno, cpp_ice): New functions.
7006 (cpp_notice): Is now for reporting error conditions, just
7007 without an associated file.
7008 (cpp_error, cpp_error_with_line): Don't do anything if
7009 opts->inhibit_errors is on.
7010 (cpp_pedwarn_with_file_and_line): Take column argument also.
7012 * cpplib.h: Update prototypes of exported functions.
7013 (struct cpp_options): Add inhibit_errors.
7015 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
7016 non-error messages. Include intl.h.
7018 * cppinit.c, cppmain.c: Likewise. Also, use
7019 cpp_notice_from_errno instead of cpp_perror_with_name or
7020 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
7022 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
7023 report internal errors.
7025 * cpplib.c (do_define): Switch bcopy to memcpy.
7026 Give cpp_pedwarn_with_file_and_line a dummy column argument.
7028 * cpplib.c (copy_rest_of_line): Revert previous change: don't
7029 bail out early if we hit a line comment.
7031 2000-02-06 Richard Henderson <rth@cygnus.com>
7033 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
7034 * basic-block.h: Declare them.
7035 * emit-rtl.h (active_insn_p): New.
7036 (next_active_insn, prev_active_insn): Use it.
7037 * rtl.h: Declare it.
7038 * function.c (emit_return_into_block): New.
7039 (thread_prologue_and_epilogue_insns): Insert return insns instead
7040 of epilogues when possible.
7041 * jump.c (jump_optimize_1): Remove code to insert a return insn
7042 on the fallthru to the exit block.
7044 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
7045 and for non-empty stack frames.
7046 * i386.md (return): Expand to return-pop as needed.
7048 2000-02-06 Richard Henderson <rth@cygnus.com>
7050 * simplify-rtx.c (simplify_relational_operation): Canonicalize
7051 constant to op1 for testing.
7053 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7055 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
7056 (fixuns_truncqfqi2): Use it.
7058 2000-02-06 Richard Henderson <rth@cygnus.com>
7060 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
7063 * i386.md (widening and peepholes): Mask the constant instead of
7066 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
7068 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
7069 input pointer before possibly branching off to the backslash
7071 * cpphash.c (macroexpand): Correctly delete \r escapes when
7072 stringifying parameters.
7073 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
7074 if we can; bail out early if we hit a line comment.
7075 (handle_directive): Treat '# 123' in an .S file just like
7076 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
7077 Return 1 for '# not_a_directive'.
7078 (get_directive_token): Pop macro buffers here, so that
7079 cpp_get_token can't sneakily move past a newline.
7081 (cpp_get_token): goto randomchar if handle_directive returns 0.
7083 * cppalloc.c: Update copyright.
7084 * cpplib.c: Merge all the static function prototypes into one
7086 * cpplib.h: Remove #if 0 block.
7088 * cpperror.c: Remove #ifdef EMACS block.
7089 * cppmain.c: Likewise.
7090 * cpphash.c: Remove #if 0 blocks.
7091 * cppinit.c: Remove #if 0 blocks, and the -lint option.
7092 * cpplib.c: Remove #if 0 blocks and code referencing
7093 pcp_inside_if or for_lint. Remove duplicate error message.
7094 Fix error messages for #else after #else or #elif. Reformat.
7095 Remove archaic TODO list.
7096 * cpplib.h: Remove pcp_inside_if and for_lint flags.
7098 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
7100 * i386/osf1elf.h: Add missing backslash to multiline string.
7102 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7104 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
7106 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7108 * Makefile.in (c-common.o): Depend on $(EXPR_H).
7110 * c-common.c: Include expr.h.
7112 * c-pragma.c (mark_align_stack): Add prototype.
7114 * caller-save.c (add_stored_regs): Likewise.
7116 * combine.c (record_promoted_value): Likewise.
7118 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
7121 * cppinit.c (new_pending_define): Likewise.
7123 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
7125 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
7126 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
7127 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
7128 class_scope_p): Likewise.
7130 * dwarf2out.h (dwarf2out_set_demangle_name_func,
7131 dwarf2out_add_library_unit_info): Likewise.
7133 * ggc.h (ggc_page_print_statistics): Likewise.
7135 * haifa-sched.c (propagate_deps): Likewise.
7137 * reg-stack.c (next_flags_user, record_label_references): Likewise.
7139 * rtl.h (set_stack_check_libfunc): Likewise.
7141 * toplev.h (set_fatal_function): Likewise.
7143 * toplev.c (set_fatal_function): Delete prototype.
7145 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
7147 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7149 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
7150 (FUNC_END): Likewise.
7152 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7154 * caller-save.c: Include tm_p.h.
7156 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7158 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
7160 2000-02-04 Neil Booth <NeilB@earthling.net>
7162 * cccp.c (main): Check 'dir' for a NULL pointer before passing
7165 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
7167 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
7168 * genflags.c: Use the max_operand_1 logic from genemit.c to
7169 calculate how many arguments gen_insn prototypes have. Remove
7170 NO_MD_PROTOTYPES ifdefs from the generated file.
7171 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
7172 file. Cast gen_insn initializers to insn_gen_fn.
7173 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
7174 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
7176 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7178 * fixinc/Makefile.in (HDR): Add machname.h.
7181 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7183 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
7184 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
7185 (c4x_cpu_version): Ditto.
7186 * config/c4x/c4x-protos.h: ... here.
7188 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
7190 * dwarf2out.c (add_abstract_origin_attribute): Don't call
7191 gen_abstract_function on our context if we're a nested function.
7193 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7195 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
7196 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
7198 2000-02-04 Bruce Korb <bkorb@gnu.org>
7200 * fixinc/genfixes(machname.h):
7201 Move the functionality from gen-machine.h into this file.
7202 UNdef MN_NAME_PAT if there are no names to change.
7203 Also, be a little kinder when AutoGen is not present.
7205 * fixinc/Makefile.in(machname.h):
7206 Change the generation rule to use genfixes.
7208 * fixinc/fixfixes.c(machine_name):
7209 machine_name_fix's functionality now dependent upon whether
7210 MN_NAME_PAT is defined.
7212 * fixinc/fixtests.c(machine_name):
7215 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
7218 * fixinc/fixlib.h(mn_get_regexps):
7221 * fixinc/gen-machine.h: DELETED
7223 2000-02-04 Jan Hubicka <jh@suse.cz>
7224 Richard Henderson <rth@cygnus.com>
7226 * i386.c (SAVE_REGS_FIRST): Remove.
7227 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
7228 (ix86_compute_frame_size): Likewise.
7229 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
7230 (ix86_emit_restore_regs): Remove.
7231 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
7232 when a frame pointer is in use.
7233 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
7234 instead of pop to restore a register when profitable; emit leave
7236 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
7238 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
7239 * i386.md (prologue_allocate_stack): Remove.
7240 (epilogue_deallocate_stack): Remove.
7241 (pro_epilogue_adjust_stack): New.
7243 2000-02-04 Richard Henderson <rth@cygnus.com>
7245 * function.c (diddle_return_value): Rework to use a callback function.
7246 Use current_function_return_rtx if it's been set up.
7247 (do_clobber_return_reg, clobber_return_register): New.
7248 (do_use_return_reg, use_return_register): New.
7249 (expand_function_end): Use them.
7250 * stmt.c (expand_null_return): Likewise.
7251 * function.h: Declare them.
7252 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
7253 (mark_reg): Change arguments as appropriate for callback.
7254 * integrate.c (expand_inline_function): Revert 19 Jan change.
7256 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
7258 * tm.texi (Values in Registers): Fix typo: "fo" "for".
7259 (Misc): Say the scheduler, not the Haifa scheduler.
7261 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
7263 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
7264 when in_mem is set. Update all callers.
7266 2000-02-04 Richard Henderson <rth@cygnus.com>
7268 * i386/openbsd.h (INT_ASM_OP): Define.
7270 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
7272 * tm.texi: Fix various typos.
7274 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
7276 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
7277 (MD_STARTFILE_PREFIX_1): New macro.
7279 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
7281 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
7282 destination when needed.
7283 (strmovsi, strsetsi): New expander.
7284 (strmovsi_1, strsetsi_1): New pattern.
7285 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
7286 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
7287 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
7288 * invoke.texi (align-stringops, inline-all-stringops): Document.
7290 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
7292 * i386/netbsd.h (INT_ASM_OP): Define.
7294 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
7296 * cpplib.h (cpp_reader): Add new flag, no_directives.
7297 * cpphash.c (macarg): Set it.
7298 * cpplib.c (handle_directive): If no_directives is on and we
7299 find a directive, issue an error and discard the line.
7301 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
7303 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
7304 FP constants. Add ! TARGET_FPU check for FP constants.
7306 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
7308 * flow.c (find_basic_blocks): Don't kill label_value_list
7310 (cleanup_cfg): Kill it here.
7312 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7314 * expr.c (store_field): Ensure ALIGN is no stricter than the
7317 2000-02-02 Richard Henderson <rth@cygnus.com>
7319 * jump.c (delete_insn): Partially revert 19 Jan change;
7320 don't convert unused code labels to notes at -O0.
7322 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7324 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
7325 split_all_insns to recreate REG_LABEL notes for flow2 pass.
7327 2000-02-01 Richard Henderson <rth@cygnus.com>
7329 * i386.c (general_no_elim_operand): New.
7330 (nonmemory_no_elim_operand): New.
7331 (ix86_expand_move): Copy eliminable operands before a push.
7332 * i386-protos.h: Declare new functions.
7333 * i386.h (CAN_ELIMINATE): Simplify.
7334 (PREDICATE_CODES): Update.
7335 * i386.md (push insns): Don't allow eliminable register operands.
7337 2000-02-01 Richard Henderson <rth@cygnus.com>
7339 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
7340 replace BLKmode with DECL_RTL's mode.
7342 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
7344 * frame.c (find_fde): Convert for loop to do-while so compiler
7345 sees it's always executed at least once.
7346 * libgcc2.c (BBINBUFSIZE): Kill.
7347 (__bb_init_prg): Use fgets.
7348 (__bb_exit_trace_func): Don't paste strings.
7349 * unroll.c (unroll_loop): Initialize unroll_type, not
7350 unroll_number, and tweak logic to match.
7352 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
7354 (ix86_flags_dependant): Likewise. Disentangle control flow.
7355 (ix86_sched_reorder): Break guts out to
7356 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
7357 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
7360 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
7361 use string concatenation. Don't save and restore esi.
7363 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
7364 (machname.h): Remove script to separate file. Use two-step
7365 sequence so target is not created if script fails.
7366 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
7367 identifiers are defined.
7368 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
7369 an empty string, machine_name doesn't need to do anything at
7371 (is_cxx_header): Add more cases to regexp.
7372 * fixinc/fixlib.h: Update prototype.
7373 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
7375 * fixinc/fixincl.c: Define NO_BOGOSITY.
7377 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
7378 (hp_sysfile): Add missing comma.
7379 (math_exception): Put the wrapper ifdefs at the beginning and
7380 the end of the file.
7381 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
7383 2000-02-01 Richard Henderson <rth@cygnus.com>
7385 * sparc.c (fp_zero_operand): Turn into a normal predicate.
7386 Use CONST0_RTX. Update all callers.
7387 * sparc.h, sparc-protos.h: Update accordingly.
7388 * sparc.md (fp mov insns): Use fp_zero_operand directly
7391 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
7393 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
7396 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7398 * Makefile.in (specs.ready): New target.
7399 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
7401 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7403 * fixinc.irix: Use unique filenames for writing into /tmp,
7404 * fixinc.ptx: Likewise.
7405 * fixinc.sco: Likewise.
7406 * fixinc.svr4: Likewise.
7407 * fixinc.winnt: Likewise.
7409 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7411 * tsystem.h: New file.
7413 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
7414 s-crtS): Depend on tsystem.h.
7416 * crtstuff.c: Include tsystem.h.
7417 * frame.c: Likewise.
7418 * libgcc2.c: Likewise.
7420 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
7422 * builtins.c (expand_builtin_memset): Expand for variable sized
7425 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
7427 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
7430 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
7432 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
7434 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
7436 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
7438 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
7439 case 3->2 combining (combining with splitting) in which 2 is CC0
7440 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
7441 checked at the begining of the function with the aid of calling
7442 function 'can_combine_p'.
7444 2000-01-31 Dave Brolley <brolley@redhat.com>
7446 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
7448 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
7450 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
7453 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7455 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
7457 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
7460 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
7462 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
7463 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
7464 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
7465 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
7466 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
7467 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
7468 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
7469 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
7470 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
7471 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
7473 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
7474 Add %(cpp_cpu) to CPP_SPEC.
7476 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
7477 Add %(cc1_cpu) to CC1_SPEC.
7479 2000-01-28 Ulrich Drepper <drepper@redhat.com>
7481 * c-decl.c (c_decode_option): Accept optional numeric argument to
7482 -Wformat and set warn_format.
7483 * c-common.c: Don't emit warning about non-constant printf format
7484 string unless warn_format > 1.
7486 2000-01-30 Richard Henderson <rth@cygnus.com>
7488 * alpha.md (return_internal): Allow after reload only.
7490 2000-01-30 Richard Henderson <rth@cygnus.com>
7492 * i386.c (ix86_compute_frame_size): Omit padding1 if the
7493 local frame size is zero.
7495 2000-01-30 Richard Henderson <rth@cygnus.com>
7497 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
7498 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
7499 * alpha.md (return): Turn into an expander.
7500 (return_internal): Don't use $26.
7501 (epilogue): Emit the return insn.
7503 2000-01-30 Richard Henderson <rth@cygnus.com>
7505 * alpha.md (negtf2, abstf2): Fix word order thinko.
7507 (trunctfsf2): Avoid intermediate rounding errors.
7509 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
7511 * cppfiles.c (find_position): Drop 'colp' argument, return the
7513 (read_and_prescan): Adjust to match. Don't ever manipulate
7514 line or line_base except via find_position.
7516 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
7518 * c-parse.in: Apply Ulrich's changes from c-parse.y.
7519 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
7522 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
7524 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
7525 just print "<command line>". If 'filename' is null or an
7526 empty string, print "<stdin>" for the filename.
7527 * cpplib.c (do_define): Don't print the 'location of the
7528 previous definition' message if we're still parsing the
7530 (cpp_pedwarn_with_file_and_line): Always call
7531 cpp_file_line_for_message.
7533 2000-01-29 Mark Mitchell <mark@codesourcery.com>
7535 * flow.c (mark_regs_live_at_end): Fix typo.
7537 2000-01-28 Ulrich Drepper <drepper@redhat.com>
7539 * c-common.c: Adjust variable names, comments, help strings to c99.
7540 * c-lex.c: Likewise.
7541 * c-parse.y: Likewise.
7542 * c-tree.h: Likewise.
7544 * cpplib.h: Likewise.
7545 * c-decl.c: Likewise. Recognize options with names "*99" as well.
7546 * cppinit.c: Likewise.
7548 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7550 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
7551 * c4x.c: Define the optab rtx values.
7552 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
7553 (c4x_emit_libcall): Use new optab rtx values.
7554 (c4x_emit_libcall3): Likewise.
7555 (c4x_emit_libcall_mulhi): Likewise.
7556 * c4x-protos.h: Add prototypes for optab rtx values and change
7557 prototypes for above c4x_emit_libcall functions.
7559 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7561 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
7563 (c4x_function_prologue): Use regnames intead of float_reg_names when
7565 (c4x_function_epilogue): Likewise.
7566 (c4x_print_operand): Likewise.
7567 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
7568 * c4x.md (set_high): Disable for TARGET_TI.
7570 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7572 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
7573 of framepointer + constant to ADDR_REGS class.
7574 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
7575 * c4x.c (std_or_reg_operand): New function.
7576 * c4x-protos.h (std_or_reg_operand): Prototype it.
7578 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7580 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
7581 object names as libgcc2.c.
7582 * libgcc.S: Use newly defined names.
7584 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
7585 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
7587 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
7588 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
7589 (FLOW_LOOP_LAST_BLOCK): Likewise.
7591 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7593 * basic-block.h (struct loop): New fields 'first' and 'last'.
7594 * flow.c (flow_loops_find): Compute loop->first and loop->last.
7595 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
7596 and loop->last to check for NOTE_INSN_LOOP_END.
7598 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
7600 * predict.c (estimate_probability): Use the new FIRST and LAST fields
7601 of the loop descriptor rather than HEADER and LATCH. Also added
7602 missing break statements as well making some coding style modifications
7603 as suggested by Michael Hayes.
7605 2000-01-28 Richard Henderson <rth@cygnus.com>
7607 * flow.c (find_basic_blocks): Remove do_cleanup argument.
7608 Break out that code ...
7609 (cleanup_cfg): ... here.
7610 (commit_one_edge_insertion): Detect a return instruction being
7611 emitted to an edge. Emit a barrier following; clear fallthru.
7612 (commit_edge_insertions): Verify CFG consistency.
7613 * function.c (expand_function_start): Kill unused variable.
7614 (expand_function_end): Likewise.
7615 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
7616 to insert the epilogue.
7618 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
7619 (delete_null_pointer_checks): Likewise.
7620 * output.h: Likewise.
7621 * reg-stack.c (reg_to_stack): Likewise.
7622 * toplev.c (rest_of_compilation): Likewise. Run
7623 thread_prologue_and_epilogue_insns after rebuilding the CFG.
7625 2000-01-28 Richard Henderson <rth@cygnus.com>
7627 * Makefile.in (flow.o): Revert 24 Jan change.
7628 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
7629 FUNCTION_VALUE result to DECL_RESULT's mode.
7631 * haifa-sched.c (schedule_insns): Don't recompute reg info
7634 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
7636 * configure.in: Make --enable-cpplib the default.
7637 * configure: Regenerate.
7638 * gcc.dg/990119-1.c: No longer expected to fail.
7640 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
7642 * jump.c (jump_optimize_1): Delete an optimization that is also done
7643 by merge_blocks in flow.
7645 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7647 * diagnostic.c (build_message_string, output_printf,
7648 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
7649 (build_location_prefix): Fix non-literal format string.
7651 2000-01-27 Richard Henderson <rth@cygnus.com>
7653 * alpha.md (trunctfsf2): New.
7655 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
7657 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
7659 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
7661 * cppinit.c (cpp_handle_option): Recognize C++ comments under
7663 * cpplib.c (skip_block_comment, skip_line_comment): Split code
7665 (skip_comment) ... here. Permit C++ comments in system
7666 headers always. Warn about C++ comments in user code under
7667 -std=gnu89 -pedantic.
7668 (copy_comment): Use skip_comment.
7669 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
7671 (consider_directive_while_skipping, do_else, do_endif): Call
7672 validate_else unconditionally.
7673 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
7674 text after the conditional in a system header.
7675 * cpplib.h (struct cpp_buffer): Add flag
7676 warned_cplusplus_comments.
7678 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
7680 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
7681 Use unshare_all_rtl_1.
7682 (unshare_all_rtl_again): New function.
7683 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
7685 * function.c (purge_addressof_1): Use unshare_all_rtl_again
7686 rather than resetting the 'used' flags ourself.
7688 * toplev.c (rest_of_compilation): Add current_function_decl
7689 to the unshare_all_rtl call.
7690 * tree.h: Prototype unshare_all_rtl.
7691 * rtl.h: Prototype unshare_all_rtl_again here.
7693 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
7695 * genoutput.c (output_prologue): Include ggc.h in generated
7697 * Makefile.in (insn-output.o): Depends on ggc.h.
7699 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
7700 Hans-Peter Nilsson <hp@bitrange.com>
7702 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
7703 Remove redundant include of xm-ns32k.h.
7704 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
7705 Remove redundant include of xm-ns32k.h.
7706 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
7707 Remove redundant include of xm-ns32k.h.
7708 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
7710 * ns32k/ns32k.h: Update comment on multiply-add instructions.
7711 (TARGET_SWITCHES): Add documentation strings.
7712 (DWARF_FRAME_REGNUM): Override default definition.
7713 (REG_CLASS_CONTENTS): Add comments.
7714 (SUBSET_P): Format to reduce line length.
7715 (SMALL_REGISTER_CLASSES): Make a run time option.
7716 (GO_IF_NONINDEXED_ADDRESS): Reformat.
7717 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
7718 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
7719 (regclass_map): fix typo in comment.
7720 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
7721 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
7722 (trace, reg_or_mem_operand): Delete, unused function.
7723 (calc_address_cost): Small offsets are cheaper than large ones.
7724 (expand_block_move): Generate more efficient code when bytes is a
7725 known at compile time.
7726 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
7727 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
7728 instead of reg_or_mem_operand.
7730 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
7731 not general_operand. Similarly use "=rm" or stricter, not "=g".
7732 For input operands, use stricter constraints than "g" if not
7733 general_operand. Similarly use stricter predicate than
7734 "general_operand" when stricter constraints than "g" are present,
7735 except for matching constraints.
7736 (movstrsi): Use "memory_operand" for operands 0 and 1.
7737 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
7738 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
7739 not reg_or_mem_operand.
7740 (udivmoddisi4): Ditto.
7741 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
7742 Use nonimmediate_operand for operand 3, not register_operand.
7743 (udivmoddiqi4_internal): Use register_operand for operand 1, not
7746 2000-01-27 Fred Fish <fnf@be.com>
7748 * gthr-posix.h: Fix typo; compatibily -> compatibility.
7749 * gthr-single.h: Likewise.
7750 * gthr-solaris.h: Likewise.
7751 * gthr-vxworks.h: Likewise.
7752 * gthr-win32.h: Likewise.
7755 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
7757 * cppinit.c: Add " (cpplib)" to end of string printed by
7760 2000-01-27 Richard Henderson <rth@cygnus.com>
7762 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
7763 testing for a signed comparison.
7764 (alpha_emit_floatuns): New.
7765 * alpha-protos.h: Declare it.
7766 * alpha.md (floatunsdisf2, floatunsdidf2): New.
7767 (extendsfdf2): Tidy.
7769 2000-01-27 Jakub Jelinek <jakub@redhat.com>
7771 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
7772 no -g option specifying debugging format, default to -gstabs+.
7774 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7776 * calls.c (special_function_p): New argument fork_or_exec.
7777 (expand_call): When profile_arc_flag is set and the function
7778 is in the fork_or_exec group, call __bb_fork_func first.
7779 * libgcc2.c, _bb module (__bb_fork_func): New function.
7780 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
7782 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
7783 * tree.h (special_function_p): Update prototype.
7785 2000-01-26 Richard Henderson <rth@cygnus.com>
7787 * alpha.c (alpha_split_tfmode_pair): New.
7788 * alpha-protos.h: Declare it.
7789 * alpha.md (abstf2, negtf2): New.
7790 (movtf insn): Add input G constraint.
7791 (movtf splitter): Use alpha_split_tfmode_pair.
7793 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7795 * i386/cygwin.h: PROTO -> PARAMS.
7797 2000-01-26 Jakub Jelinek <jakub@redhat.com>
7799 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
7800 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
7801 using _Qp_cmp/_Q_cmp and testing the return value.
7802 (print_operand): Call reverse_condition_maybe_unordered if
7803 we are handling CCFPmode or CCFPEmode.
7804 Handle ORDERED, UN* and LTGT comparisons.
7805 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
7806 if not TARGET_HARD_QUAD.
7807 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
7808 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
7809 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
7810 Adjust gen_b* calls so that they reflect return comparison of
7811 sparc_emit_float_lib_cmp.
7813 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7815 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
7816 incoming operands array is large enough for one more operand.
7817 (alpha_emit_xfloating_arith): Likewise.
7819 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
7821 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
7822 file with one line and no trailing newline.
7823 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
7824 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
7825 checking if the match is on the line.
7826 * fixinc/gnu-regex.c: Provide regerror not __regerror.
7828 2000-01-25 Richard Henderson <rth@cygnus.com>
7830 * sparc.c (output_cbranch): Fix accidental squashing of the
7831 fp branch pre-delay nop.
7833 2000-01-25 Richard Henderson <rth@cygnus.com>
7835 * tree.def (UNNE_EXPR): Remove.
7836 * c-typeck.c (build_binary_op): Don't handle it.
7837 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
7839 * rtl.def (UNNE): Remove.
7841 * jump.c (reverse_condition): Update accordingly.
7842 (swap_condition): Likewise.
7843 (comparison_dominates_p): Handle unordered comparisons.
7844 (reverse_condition_maybe_unordered): New.
7845 * rtl.h (reverse_condition_maybe_unordered): Declare.
7847 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
7848 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
7849 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
7850 * sparc.md (bltgt): New.
7852 2000-01-25 Nick Clifton <nickc@redhat.com>
7854 * emit-rtl.c (emit_insn): Only check machine class insns for
7855 improper emission of a RETURN.
7857 2000-01-25 Richard Henderson <rth@cygnus.com>
7859 * Makefile.in (flow.o): Depend on $(EXPR_H).
7860 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
7861 duplicate the structure of diddle_return_value for keeping regs live.
7863 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7865 * loop.c (current_loop_info): Delete.
7866 (consec_sets_invariant_p): Add loop argument, update callers.
7867 (get_condition_for_loop): Likewise.
7868 (count_nonfixed_reads, update_giv_derive): Likewise.
7869 (simplify_giv_expr, general_induction_var): Likewise.
7870 (consec_sets_giv, recombine_givs): Likewise.
7871 (move_movables): Delete loop_start and loop_end arguments,
7872 add loop argument, and update callers.
7873 (find_mem_givs, check_final_value): Likewise.
7874 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
7875 (loop_invariant_p): Rename from invariant_p, add loop argument, and
7877 (basic_induction_var): Add loop argument, delete loop_level argument,
7879 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
7880 add loop argument, and update callers.
7881 (find_splittable_regs, find_splittable_givs): Likewise.
7882 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
7883 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
7884 (biv_total_increment): Delete loop_start and loop_end arguments;
7886 (precondition_loop_p): Delete loop_start and loop_info arguments;
7888 * loop.h (get_condition_for_loop): Add loop argument.
7889 (biv_total_increment): Delete loop_start and loop_end arguments.
7890 (precondition_loop_p): Delete loop_start and loop_info arguments;
7892 (final_biv_value): Delete loop_start and loop_end arguments;
7894 (final_giv_value, back_branch_in_range_p): Likewise.
7896 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
7898 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
7900 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
7902 * Makefile.in (c-gperf.h) : Change the "See" pointer to
7903 point to the new "generated_files" doc.
7905 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
7907 * config/fp-bit.c (_unord_f2): Fix typo.
7909 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
7911 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
7912 c-typeck.c, objc/objc-act.c: Remove all references to obstack
7913 functions obsoleted by GC, such as push_obstacks_nochange,
7914 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
7915 and code which existed only to decide whether or not to call
7916 them. Remove now-unused NESTED argument from start_function;
7917 all callers changed. Do not change behavior based on ggc_p.
7918 The use of the ixp_obstack in c-iterate.c and the util_obstack
7919 in objc/objc-act.c remain; these are not obsoleted by garbage
7921 * c-tree.h: Update prototype for start_function.
7923 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
7925 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
7927 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
7930 2000-01-25 Richard Henderson <rth@cygnus.com>
7932 * sparc-protos.h (select_cc_mode): Declare.
7933 * sparc.c (select_cc_mode): New. Handle unordered compares.
7934 (output_cbranch): Always reverse via code change. Handle
7935 unordered compares. Factor tests and string updates.
7936 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
7937 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
7938 * sparc.md (bunordered, bordered): New.
7939 (bungt, bunlt, buneq, bunge, bunle): New.
7941 2000-01-25 Richard Henderson <rth@cygnus.com>
7943 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
7944 * ggc-common.c (ggc_add_rtx_varray_root): New.
7945 (ggc_mark_rtx_varray): New.
7946 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
7947 functions down below ggc_mark_foo.
7948 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
7950 2000-01-25 Richard Henderson <rth@cygnus.com>
7952 * alpha.c (secondary_reload_class): Don't allocate a secondary
7953 for integral mode memories into FLOAT_REGS. Rearrange the more
7954 complicated memory expression inward.
7956 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
7958 * inclhack.def: Fixes to play nicer with FreeBSD, and
7959 corrections to comments.
7960 (cxx_unready): Add select expression.
7961 (irix_sockaddr): Add bypass expression.
7962 (machine_ansi_h_va_list): New fix.
7963 (stdio_va_list): No need to edit _BSD_VA_LIST_.
7964 Split out addition of "#include <stdarg.h>" to...
7965 (stdio_stdarg_h): ... here.
7966 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
7967 to stdlib.h also. Do not munge _BSD_SIZE_T_.
7968 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
7970 (ultrix_ifdef): Tighten up select expression.
7972 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
7973 re_ct and max_mach to avoid use of shell. Make printed names
7974 match names in inclhack.def. Use static copyright date.
7975 Don't count c_test and test expressions as requiring regex_t
7976 slots. Add some commentary.
7977 * inclhack.tpl: Do not include the 'This script contains N
7978 fixup scripts' line if PROGRAM is defined. Use static
7981 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
7983 * dwarf2out.c: include "varray.h", not dyn-string.h.
7984 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
7985 (addr_const_to_string, addr_to_string): Lose.
7986 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
7987 (struct dw_val_struct): val_addr is now an rtx.
7988 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
7989 (used_rtx_varray): New varray.
7990 (dwarf2out_init): Initialize it.
7992 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
7994 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
7995 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
7996 * Makefile.in (dwarf2out.o): Update dependencies.
7998 2000-01-24 Richard Henderson <rth@cygnus.com>
8000 * i386.c (i386_dwarf_output_addr_const): New.
8001 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
8003 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
8005 * dwarfout.c (output_mem_loc_descriptor): Likewise.
8006 * i386.c (i386_simplify_dwarf_addr): New.
8007 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
8009 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
8011 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
8012 TYPE_STUB_DECL is NULL.
8014 2000-01-24 Richard Henderson <rth@cygnus.com>
8016 * builtins.c (expand_tree_builtin): Move ...
8017 * c-common.c (expand_tree_builtin): ... here.
8019 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8021 * loop.h (LOOP_INFO): New accessor macro.
8022 * basic-block.h (struct loop): Rename field `info' to `aux'.
8023 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
8024 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
8025 * unroll.c (loop_iterations, unroll_loop): Likewise.
8027 2000-01-24 Christopher Faylor <cgf@cygnus.com>
8029 * config/i386/t-cygwin: Accomodate new winsup directory layout
8030 when searching for include files.
8032 2000-01-24 Richard Henderson <rth@cygnus.com>
8034 * rtl.def: Add unordered fp comparisions.
8035 * tree.def: Likewise.
8036 * tree.h: Add ISO C 9x unordered fp comparision builtins.
8038 * builtins.c (expand_tree_builtin): New function.
8039 * c-typeck.c (build_function_call): Use it.
8040 (build_binary_op): Support unordered compares.
8041 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
8043 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
8044 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
8045 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
8046 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
8047 * jump.c (reverse_condition): Don't abort for UNLE etc, but
8049 (swap_condition): Handle unordered compares.
8050 (thread_jumps): Check can_reverse before reversing.
8051 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
8054 * optabs.c (can_compare_p): New argument CODE. Verify branch or
8055 setcc is present before acking for cmp_optab. Update all callers.
8056 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
8057 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
8058 * expr.c (expand_expr): Likewise. Support unordered compares.
8059 (do_jump, do_store_flag): Likewise.
8060 * expr.h (enum libfunc_index): Add unordered compares.
8062 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
8063 (DPBIT_FUNCS): Add _unord_df.
8064 * config/fp-bit.c (_unord_f2): New.
8065 * fp-test.c (main): Try unordered compare builtins.
8067 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
8068 * alpha.c (alpha_comparison_operator): Check mode properly.
8069 (alpha_swapped_comparison_operator): Likewise.
8070 (signed_comparison_operator): Likewise.
8071 (alpha_fp_comparison_operator): New.
8072 (alpha_emit_conditional_branch): Handle unordered compares.
8073 * alpha.h (PREDICATE_CODES): Update.
8074 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
8075 (bunordered, bordered): New.
8077 2000-01-24 Richard Henderson <rth@cygnus.com>
8079 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
8080 * alpha.md (movtf): New expander, insn, and splitter.
8082 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
8084 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
8087 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
8089 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
8090 (FIXED_REGISTERS, CALL_USED_REGISTERS,
8091 REG_ALLOC_ORDER): Add frame pointer
8092 (FRAME_POINTER_REGNUM): Set to 20
8093 (HARD_FRAME_POINTER_REGNUM): New macro.
8094 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
8095 to HARD_FRAME_POINTER.
8096 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
8097 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
8098 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
8099 (HI_REGISTER_NAMES): Add "frame".
8100 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
8101 (debug_reg): Handle FRAME_POINTER_REGNUM.
8102 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
8103 GENERAL_REGS and INDEX_REGS.
8104 * i386.c (SAVED_REGS_FIRST): new macro.
8105 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
8106 (ix86_decompose_address, memory_address_length): Likewise.
8107 (regclass_map): Add frame pointer.
8108 (call_insn_operand): Handle frame_pointer_rtx.
8109 (reg_no_sp_operand): Likewise.
8110 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
8111 (print_operand, legitimize_pic_address): Fix formating.
8112 (ix86_compute_frame_size): Make static, update prototype, new
8113 parameters padding1, padding2, use ix86_nsaved_regs, use
8114 stack_alignment_needed.
8115 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
8116 to HARD_FRAME_POINTER_REGNUM conversions.
8117 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
8118 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
8119 (print_reg): Abort on FRAME_POINTER_REGNUM
8121 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
8123 * i386.h (PREDICATE_CODES): Add aligned_operand.
8124 * i386.c (aligned_operand): New function.
8125 (ix86_aligned_p): Kill.
8126 * i386.md (movhi_1): Emit mov for aligned operands.
8127 (promoting peep2s): Use aligned_operand.
8129 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
8131 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
8132 expression to allow underscores in macro names.
8133 (fix_char_macro_defines): Increment scanning pointer.
8135 2000-01-23 Richard Henderson <rth@cygnus.com>
8137 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
8138 * alpha/osf5.h: New file.
8139 * configure.in (alpha-*-osf5): Add it to tm_file.
8141 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
8143 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
8144 (alpha_emit_xfloating_cvt, function_arg): Declare.
8145 * alpha.c (alpha_emit_conditional_branch): Call
8146 alpha_emit_xfloating_compare for TFmode compares.
8147 (alpha_lookup_xfloating_lib_func): New.
8148 (alpha_compute_xfloating_mode_arg): New.
8149 (alpha_emit_xfloating_libcall): New.
8150 (alpha_emit_xfloating_arith): New.
8151 (alpha_emit_xfloating_compare): New.
8152 (alpha_emit_xfloating_cvt): New.
8153 (print_operand): Add default abort case.
8154 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
8155 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
8156 (BIGGEST_ALIGNMENT): Increase to 128 bits.
8157 (RETURN_IN_MEMORY): True for TF/TCmode.
8158 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
8159 (FUNCTION_ARG): Move to function_arg.
8160 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
8161 (ASM_OUTPUT_LONG_DOUBLE): New.
8162 (ASM_OUTPUT_DOUBLE): Always output bits.
8163 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
8164 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
8165 (extenddftf2, trunctfdf2): New.
8167 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8169 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
8170 * config/sparc/sol2.h: ... here.
8172 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8174 * basic-block.h (struct loops): New field `levels'.
8175 * flow.c (flow_loops_level_compute): Traverse all outer loops.
8176 (flow_loop_level_compute): Initialise level to 1.
8177 (flow_loops_find): Set loops->levels.
8178 (flow_loops_dump): Print loops->levels.
8180 2000-01-23 Richard Henderson <rth@cygnus.com>
8182 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
8183 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
8185 2000-01-23 Richard Henderson <rth@cygnus.com>
8187 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
8188 * i386.h (DBX_REGISTER_NUMBER): Use them.
8189 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
8190 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
8191 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
8192 * i386/sequent.h: Kill incorrect comment.
8194 2000-01-23 Mark Mitchell <mark@codesourcery.com>
8196 * ggc-page.c (struct page_entry): Make `context_depth' an
8198 (struct globals): Likewise.
8200 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
8202 * loop.c (check_dbra_loop): When checking a loop for
8203 reversability, check the source of any stores to ensure
8204 they don't depend on an initial value.
8206 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8208 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
8210 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
8212 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
8213 'pz_scan' into scope of entire function. Only affects
8214 compiles with -DDEBUG.
8216 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
8218 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
8219 section naming to that prior to 2000-01-07 patch.
8220 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
8221 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
8222 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
8223 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
8224 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
8226 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
8228 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
8231 2000-01-21 Jim Wilson <wilson@cygnus.com>
8233 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
8234 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
8236 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
8238 * cpphash.c (change_newlines): Delete function.
8239 (struct argdata): Delete 'newlines' and 'use_count' fields.
8240 (macroexpand): Remove code referencing those fields.
8242 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8244 * loop.c (loops_info): New variable.
8245 (loop_optimize): Allocate loops->array and free it on exit.
8246 Allocate memory for loops_info and assign to each loop,
8248 (find_and_verify_loops): Do not allocate loops->array.
8250 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
8252 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
8254 2000-01-21 Jakub Jelinek <jakub@redhat.com>
8256 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
8257 pseudos if expanded after first flow.
8258 (movdi_pic_label_ref): Likewise.
8260 2000-01-20 Richard Henderson <rth@cygnus.com>
8262 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
8264 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
8266 * Makefile.in (fixinc.sh): Depend on specs.
8267 * fixinc/Makefile.in: Add rule to create machname.h.
8268 (fixlib.o): Depend on machname.h.
8269 * fixinc/fixtests.c (machine_name): New test.
8270 * fixinc/fixfixes.c (machine_name): New fix.
8271 * fixinc/fixlib.c (mn_get_regexps): New helper function for
8272 the machine_name test and fix.
8273 * fixinc/fixlib.h: Prototype it.
8274 * fixinc/inclhack.def (machine_name): Use the C test and fix.
8275 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
8277 * gcc.c (do_spec_1) [case P]: Take care not to create
8278 identifiers with three leading or trailing underscores.
8280 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
8281 (fixincl): Don't specify libraries twice on link line.
8282 (gnu-regex.o): Remove special rule.
8283 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
8284 defined by config.h. Do not define _REGEX_RE_COMP.
8285 (regcomp): Allocate and initialize a fastmap.
8286 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
8288 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
8290 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
8292 2000-01-19 Richard Henderson <rth@cygnus.com>
8294 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
8295 arguments with BB. Update all callers. Tidy line wrapping.
8297 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
8299 * emit-rtl.c (try_split): Return last_insn if we split the
8302 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
8304 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
8305 (ix86_initial_elimination_offset): Declare.
8306 * i386.c (ix86_nsaved_regs): Break out from ...
8307 (ix86_can_use_return_insn_p): ... here.
8308 (ix86_emit_save_regs): Break out from ...
8309 (ix86_expand_prologue): ... here.
8310 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
8312 (ix86_expand_epilogue): ... here.
8313 (ix86_compute_frame_size): Make static, add prototype.
8314 (ix86_initial_elimination_offset): Break out from ...
8315 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
8317 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8319 * recog.h (OUT_FCN): Delete.
8321 * vax.md: Call `get_insn_template' instead of OUT_FCN.
8323 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8325 * cppalloc.c: PROTO -> PARAMS.
8326 * cpperror.c: Likewise.
8327 * cppfiles.c: Likewise.
8328 * cpplib.c: Likewise.
8329 * cpplib.h: Likewise.
8331 * config/arm/arm-protos.h: PROTO -> PARAMS.
8332 * config/arm/arm.c: Likewise.
8333 * config/c4x/c4x.c: Likewise.
8334 * config/fr30/fr30-protos.h: Likewise.
8335 * config/nextstep.c: Likewise.
8336 * config/pa/pa.c: Likewise.
8337 * config/pj/pj.c: Likewise.
8338 * config/rs6000/rs6000.c: Likewise.
8339 * config/v850/v850-protos.h: Likewise.
8340 * config/v850/v850.c: Likewise.
8342 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8344 * i370-protos.h: New file.
8346 * i370.c: Include tm_p.h. Fix compile time warnings.
8348 * i370.h: Move prototypes to i370-protos.h. Fix compile time
8351 * i370.md: Likewise.
8353 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8355 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
8356 (target_isinf, target_isnan, eisnan): Mark parameter with
8358 (eiisinf): Wrap in INFINITY.
8359 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
8360 (ibmtoe): Remove unused variable `rndsav'.
8362 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8364 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
8365 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
8367 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
8369 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
8370 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
8371 (fix_char_macro_defines, fix_char_macro_uses): New functions.
8373 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
8374 Recognize Emacs mode markers also.
8375 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
8376 C++ comments in C++ headers. Call is_cxx_header only if
8379 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
8381 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
8382 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
8383 ... these, which use the new C fixes.
8384 (math_exception): Escape literal '+' in bypass expression.
8386 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
8389 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8391 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
8394 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8396 * loop.c (loop_optimize): Allocate loop_info structure for each loop
8397 prior to calling scan_loop.
8399 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8401 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
8402 (split_branches, calc_live_regs): Likewise.
8404 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8406 * sh.md (fpu_single, fp_mode): New attributes.
8408 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8410 * loop.c (current_loop_info): Renamed from loop_info_data
8411 and changed to a pointer.
8412 (loop_optimize): Allocate loop_info structure for each loop
8413 and initialise to zero.
8414 (scan_loop): Set current_loop_info.
8416 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
8419 2000-01-19 Richard Henderson <rth@cygnus.com>
8421 * stupid.c: Die die die.
8422 * Makefile.in (OBJS): Remove stupid.o.
8423 (stupid.o): Likewise.
8425 * except.c (emit_eh_context): Don't emit USEs for stupid.
8426 * explow.c (probe_stack_range): Likewise.
8427 * flags.h (obey_regdecls): Remove.
8428 * flow.c (find_basic_blocks): Don't run try_merge_blocks
8429 when not optimizing.
8430 (life_analysis): Limit data collection when not optimizing.
8431 (mark_regs_live_at_end): Always mark the return value registers.
8432 (mark_used_regs): Remove dummy RETURN case.
8433 (print_rtl_with_bb): Don't consult obey_regdecls.
8434 * function.c (use_variable, use_variable_after): Remove.
8435 (assign_parms): Consult optimize not obey_regdecls.
8436 (expand_function_start): Don't emit USEs for stupid.
8437 (expand_function_end): Likewise.
8438 * global.c (build_insn_chain): Export.
8439 * integrate.c (expand_inline_function): Kill return-value USE
8441 * jump.c (jump_optimize_1): Do simple jump optimizations and
8442 dead code elimination.
8443 (calculate_can_reach_end): Remove check_deleted argument.
8444 (delete_insn): Patch out insns even when not optimizing.
8445 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
8446 * rtl.h (use_variable, use_variable_after): Remove declarations.
8447 (build_insn_chain): Declare.
8448 * stmt.c (expand_value_return): Don't emit USEs for stupid.
8449 (expand_end_bindings): Likewise.
8450 (expand_decl): Likewise. Consult optimize not obey_regdecls.
8451 * toplev.c (obey_regdecls): Remove.
8452 (rest_of_compilation): Don't set it. Kill stupid in favour of
8453 flow1, local-alloc, and reload.
8454 (main): Don't set obey_regdecls.
8456 * config/nextstep.c (handle_pragma): Likewise.
8458 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
8460 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
8462 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8464 * alpha-protos.h: PROTO -> PARAMS.
8465 * alpha.c: Likewise.
8467 * h8300.c: Likewise.
8468 * i386-protos.h: Likewise.
8470 * m32r-protos.h: Likewise.
8473 * mips.md: Likewise.
8474 * gmon-sol2.c: Likewise.
8475 * sparc.c: Likewise.
8477 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8479 * ns32k-protos.h: New file.
8481 * ns32k.c: Fix compile time warnings.
8483 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
8486 * ns32k.md: Likewise.
8488 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8490 * vax-protos.h: New file.
8492 * vax.c: Fix compile time warnings.
8494 * vax.h: Move prototypes to vax-protos.h. Fix compile time
8499 * vaxv.md: Likewise.
8501 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8503 * romp-protos.h: New file.
8505 * romp.c: Fix compile time warnings.
8507 * romp.h: Move prototypes to romp-protos.h. Fix compile time
8510 * romp.md: Likewise.
8512 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8514 * we32k-protos.h: New file.
8516 * we32k.c: Fix compile time warnings.
8518 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
8521 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8523 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
8525 * except.c (eh_regs): Likewise.
8527 * final.c (output_operand): Likewise.
8529 * fold-const.c (target_isinf, target_isnan): Likewise.
8531 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8533 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
8534 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
8536 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
8538 (clrstrsi): Rewrite.
8539 (strsethi, strsetqi): New expanders.
8540 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
8541 (cmpstrsi): Emit compare insn before cmpstrsi_1
8542 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
8543 (strlensi_1): Likewise.
8544 (cmpstrsi_1): Likewise; do not output compare.
8545 (strlen expander): Do not unroll when optimizing for size.
8546 (*subsi3_carry): Rename to subsi3_carry
8547 (addqi3_cc): New pattern.
8548 * i386.h (processor_costs): Add move_ratio field.
8549 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
8550 * i386.c (*_cost): Set move_ratio.
8551 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
8552 (x86_expand_strlensi_1): Rewrite the main loop.
8554 2000-01-17 Richard Henderson <rth@cygnus.com>
8556 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
8557 * cse.c (find_comparison_args, fold_rtx): Likewise.
8558 * integrate.c (subst_constants): Likewise.
8559 * loop.c (get_condition): Likewise.
8561 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
8563 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
8565 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8567 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
8568 (RESTORE_WARN_FLAGS): Unpack it.
8569 Change semantic type of extension to ttype.
8570 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
8571 * c-parse.y, c-parse.c, objc/objc-parse.y,
8572 objc/objc-parse.c: Regenerate.
8574 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
8576 * fixinc/fixlib.c: Add copyright notice.
8577 (compile_re): New function.
8578 * fixinc/fixlib.h: Prototype compile_re.
8580 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
8581 Use compile_re to compile regular expressions.
8583 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
8584 where the pattern matched.
8586 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
8588 (ultrix_ansi_compat): Likewise.
8589 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
8591 (interactv_add2, interactv_add3): Delete.
8592 (x11_sprintf): Don't use filename glob.
8593 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
8596 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8598 * print-rtl.c: PROTO -> PARAMS.
8600 * reg-stack.c: Likewise.
8601 * resource.c: Likewise.
8602 * sdbout.h: Likewise.
8603 * simplify-rtx.c: Likewise.
8604 * stor-layout.c: Likewise.
8605 * stupid.c: Likewise.
8606 * xcoffout.c: Likewise.
8607 * xcoffout.h: Likewise.
8609 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8611 * toplev.c: PROTO -> PARAMS.
8612 * toplev.h: Likewise.
8615 * unroll.c: Likewise.
8616 * varasm.c: Likewise.
8617 * varray.c: Likewise.
8618 * varray.h: Likewise.
8620 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8622 * reload.c: PROTO -> PARAMS.
8623 * reload.h: Likewise.
8624 * reload1.c: Likewise.
8625 * reorg.c: Likewise.
8626 * resource.h: Likewise.
8629 * rtlanal.c: Likewise.
8630 * sbitmap.h: Likewise.
8631 * sdbout.c: Likewise.
8632 * stack.h: Likewise.
8634 * system.h: Likewise.
8636 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8638 * machmode.h: PROTO -> PARAMS.
8639 * mbchar.h: Likewise.
8640 * mips-tdump.c: Likewise.
8641 * mips-tfile.c: Likewise.
8642 * optabs.c: Likewise.
8643 * output.h: Likewise.
8644 * prefix.c: Likewise.
8645 * profile.c: Likewise.
8646 * protoize.c: Likewise.
8648 * recog.c: Likewise.
8649 * recog.h: Likewise.
8650 * regclass.c: Likewise.
8651 * regmove.c: Likewise.
8654 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8656 * ggc-common.c: PROTO -> PARAMS.
8657 * ggc-page.c: Likewise.
8658 * ggc-simple.c: Likewise.
8660 * global.c: Likewise.
8661 * graph.c: Likewise.
8662 * gthr-win32.h: Likewise.
8663 * haifa-sched.c: Likewise.
8664 * halfpic.h: Likewise.
8665 * integrate.c: Likewise.
8666 * integrate.h: Likewise.
8669 * local-alloc.c: Likewise.
8673 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8675 * genattr.c: PROTO -> PARAMS.
8676 * genattrtab.c: Likewise.
8677 * gencheck.c: Likewise.
8678 * gencodes.c: Likewise.
8679 * genconfig.c: Likewise.
8680 * genemit.c: Likewise.
8681 * genextract.c: Likewise.
8682 * genflags.c: Likewise.
8683 * gengenrtl.c: Likewise.
8684 * genopinit.c: Likewise.
8685 * genoutput.c: Likewise.
8686 * genpeep.c: Likewise.
8687 * genrecog.c: Likewise.
8689 2000-01-16 Mark Mitchell <mark@codesourcery.com>
8691 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
8693 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8695 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
8696 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
8697 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
8698 * configure, config.in: Rebuilt.
8700 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
8702 * config/i386/i386.md: Add peephole to merge successive stack
8705 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
8707 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
8708 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
8709 when walking backwards to find all the parameter loads when
8710 the basic block ends in a call.
8712 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8714 * loop.c (this_loop_info): Delete.
8715 (uid_loop): Add in place of uid_loop_num. All uses updated.
8716 (loop_number_exit_count): Delete and replace with entry in loop
8717 structure. All uses updated.
8718 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
8719 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
8720 (loop_outer_loop): Likewise.
8721 (loop_invalid, loop_number_exit_labels): Likewise.
8722 (loop_used_count_register): Delete and replace with entry in
8723 loop_info structure.
8724 (find_and_verify_loops): Add loops argument.
8725 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
8726 loop_end, etc. arguments with loop structure pointer. All callers
8728 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
8729 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
8730 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
8731 (insert_bct): Likewise.
8732 (basic_induction_var): New argument level.
8733 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
8734 vtop, and cont. Add used_count_register.
8735 (uid_loop): Delete declaration.
8736 (loop_number_exit_count): Likewise.
8737 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
8738 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
8739 (loop_outer_loop, loop_used_count_register): Likewise.
8740 (loop_invalid, loop_number_exit_labels): Likewise.
8741 (unroll_loop): Replace loop_start and loop_end arguments
8742 with loop structure pointer.
8743 (loop_precondition_p, loop_iterations): Likewise.
8744 Include basic-block.h.
8745 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
8746 with loop structure pointer.
8747 (loop_precondition_p, loop_iterations): Likewise.
8748 * basic-block.h (struct loop): New entries vtop, cont,
8749 cont_dominator, start, end, top, scan_start, exit_labels,
8751 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
8753 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8755 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
8757 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
8759 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
8761 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8763 * pdp11-protos.h: New file.
8765 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
8768 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
8771 * pdp11.md: Likewise.
8775 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8777 * mn10300-protos.h: New file.
8779 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
8782 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
8785 * mn10300.md: Likewise.
8787 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8789 * mn10200-protos.h: New file.
8791 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
8794 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
8797 * mn10200.md: Likewise.
8799 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8801 * h8300-protos.h: New file.
8803 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
8806 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
8809 * h8300.md: Likewise.
8811 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8813 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
8814 (asm_emit_uninitialised): Likewise.
8816 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
8818 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
8819 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
8821 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
8823 * config/mips/mips.c (override_options): Don't turn on extra
8824 alignment for mips16.
8826 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
8828 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
8829 eabi, and make sure queued POSTINCREMENT rtl is emitted at
8832 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
8834 * builtins.c (PAD_VARARGS_DOWN): Define.
8835 (std_expand_builtin_va_arg): Use the above macro.
8836 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
8837 * tm.texi (Register Arguments): Document the above macro.
8839 2000-01-14 Nick Clifton <nickc@cygnus.com>
8841 * emit-rtl.c (emit_insn): If checking is enabled, make sure
8842 that this function has not been used to emit a jump
8845 * jump.c (return_jump_1): Cope with being passed a null rtx.
8847 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8849 * eh-common.h: PROTO -> PARAMS.
8850 * emit-rtl.c: Likewise.
8851 * errors.c: Likewise.
8852 * errors.h: Likewise.
8853 * except.c: Likewise.
8854 * except.h: Likewise.
8855 * explow.c: Likewise.
8856 * expmed.c: Likewise.
8859 * final.c: Likewise.
8860 * fix-header.c: Likewise.
8862 * fold-const.c: Likewise.
8863 * function.c: Likewise.
8864 * function.h: Likewise.
8866 * gcov-io.h: Likewise.
8870 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8872 * sh-protos.h: New file.
8874 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
8875 Add static prototypes. Fix compile time warnings.
8877 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
8881 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8883 * arc-protos.h: New file.
8885 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
8888 * arc.h: Move prototypes to arc-protos.h. Fix compile time
8893 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8895 * dsp16xx-protos.h: New file.
8897 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
8900 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
8903 * dsp16xx.md: Likewise.
8905 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8907 * convex-protos.h: New file.
8909 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
8912 * convex.h: Move prototypes to convex-protos.h. Fix compile time
8915 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8917 * elxsi-protos.h: New file.
8919 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
8922 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
8925 * elxsi.md: Likewise.
8927 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
8929 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
8930 case for moving from HI/LO/HI_LO_REG. This makes the behavior
8931 match the comment for MIPS16.
8933 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
8935 * flow.c (split_edge): Do not call set_block_for_insn if we
8936 do not have a basic_block_for_insn structure.
8938 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
8939 and destination functions are 32bit aligned within the trampoline.
8940 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
8941 (TRAMPOLINE_ALIGNMENT): Define.
8943 * cse.c (cse_insn): When changing (set (pc) (reg)) to
8944 (set (pc) (label_ref)), verify the change creates a valid insn.
8946 * fr30.c (call_operand): Tighten and rework to match rules for
8947 call RTL expressions.
8948 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
8949 * fr30.md (call patterns): Improve constraints.
8951 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
8953 * fr30.c (fr30_expand_epilogue): Revert last change.
8954 Use emit_jump_insn for the return insn.
8956 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
8957 Stan Cox <scox@cygnus.com>
8959 * predict.c: New file. Preliminary infrastructure work for static
8960 branch prediction and basic block reordering.
8961 * basic-block.h: Add prototype for estimate_probability.
8962 * Makefile.in: Add rules for predict.o.
8964 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
8966 * fixincludes (va_list): Use __not_va_list__ for the dummy.
8967 * fixinc/*: Likewise.
8969 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8971 * cccp.c: PROTO -> PARAMS.
8973 * collect2.c: Likewise.
8974 * combine.c: Likewise.
8975 * convert.h: Likewise.
8977 * dbxout.c: Likewise.
8978 * dbxout.h: Likewise.
8979 * diagnostic.c: Likewise.
8980 * doprint.c: Likewise.
8981 * dwarf2out.c: Likewise.
8982 * dwarf2out.h: Likewise.
8983 * dwarfout.c: Likewise.
8984 * dwarfout.h: Likewise.
8985 * dyn-string.h: Likewise.
8987 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8989 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
8990 macro conditionals guarding use.
8992 * dwarf2out.c: Include "tm_p.h".
8994 * function.c (locate_and_pad_parm): Mark parameter with
8996 (expand_function_end): Likewise for variable `context'.
8998 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
9000 2000-01-13 Nick Clifton <nickc@cygnus.com>
9002 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
9003 register to prevent compile time warnings.
9005 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
9007 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
9008 to avoid -Wtraditional warning.
9010 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9012 * 1750a-protos.h: New file.
9014 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
9017 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
9020 * 1750a.md: Likewise.
9022 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9024 * a29k-protos.h: New file.
9026 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
9029 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
9032 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9034 * clipper-protos.h: New file.
9036 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
9039 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
9042 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9044 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
9046 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
9048 * configure.in (--enable-new-gxx-abi): New option.
9049 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
9050 * Makefile.in (GXX_ABI_FLAG): New variable.
9051 * configure: Regenerate.
9053 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9055 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
9056 * tm.texi (FORCE_STRUCT_BLK): Document.
9057 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
9059 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
9061 * config/ns32k/ns32k.md: Revert Jan 9 change.
9063 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
9064 to a mode-test, if the predicate is address_operand.
9066 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
9068 * combine.c (if_then_else_cond): Be careful about what kinds
9069 of RTL expressions are passed to operand_subword.
9071 * flow.c (split_edge): If we have to insert a new jump, make
9072 sure to associate it with a basic block.
9074 * flow.c (commit_one_edge_insertion): A block with one successor
9075 can end in a JUMP_INSN that is not a simplejump.
9077 2000-01-12 Robert Lipe <robertl@sco.com>
9079 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
9080 (BUILD_VA_LIST_TYPE): Define.
9081 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
9084 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
9086 * cccp.c (do_pragma): Add cast to (char *).
9088 2000-01-12 Richard Henderson <rth@cygnus.com>
9089 Fred Fish <fnf@be.com>
9090 Jason Merrill <jason@cygnus.com>
9092 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
9093 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
9094 * i386/beos-elf.h, i386/beos-pe.h: New files.
9096 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
9097 * cross-make (SYSTEM_HEADER_DIR): Define using
9098 CROSS_SYSTEM_HEADER_DIR.
9100 * gcc.c (LIBRARY_PATH_ENV): Provide default.
9101 (process_command): Use it.
9102 (main): Likewise. Kill trailing = from env vars.
9103 (build_search_list): Put it back.
9104 * collect2.c (main): Use LIBRARY_PATH_ENV.
9106 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
9107 * toplev.c: Use NEED_DECLARATION_ENVIRON.
9109 * tm.texi (Frame Layout): Document SMALL_STACK.
9110 * c-common.c (c_common_nodes_and_builtins): Check it.
9112 * system.h: Undef alloca after including glibc's <stdlib.h>,
9113 if USE_C_ALLOCA is defined.
9115 * gcc.c (set_input): New fn.
9116 (main): After all input files are compiled, reset the input file
9119 * aclocal.m4 (rindex, index): If already defined, don't attempt
9122 * ginclude/varargs.h: (__va_list__): Define ifndef.
9123 * ginclude/stdarg.h: Likewise.
9125 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
9126 instead of unsigned char.
9128 * hash.h (true, false, boolean): Undef before enum.
9130 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
9131 proper type of "HOST_WIDE_INT *", rather than their natural type of
9132 "unsigned HOST_WIDE_INT *".
9134 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9136 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
9138 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
9140 * regclass.c (choose_hard_reg_mode): Likewise.
9142 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
9144 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
9146 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9148 * c-common.c: PROTO -> PARAMS.
9149 * c-common.h: Likewise.
9150 * c-decl.c: Likewise.
9151 * c-iterate.c: Likewise.
9152 * c-lang.c: Likewise.
9153 * c-lex.c: Likewise.
9154 * c-lex.h: Likewise.
9155 * c-parse.in: Likewise.
9156 * c-pragma.c: Likewise.
9157 * c-pragma.h: Likewise.
9158 * c-tree.h: Likewise.
9159 * c-typeck.c: Likewise.
9160 * objc/objc-act.c: Likewise.
9161 * objc/objc-act.h: Likewise.
9163 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9165 * m88k-protos.h: New file.
9167 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
9170 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
9172 * m88k.md: Likewise.
9174 * tekXD88.h: Likewise.
9176 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9178 * m68k-protos.h: New file.
9180 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
9183 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
9185 * mot3300.h: Likewise.
9187 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
9189 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
9191 (extract_bitlist): Declare bitlen.
9193 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
9195 * cccp.c: Accept and ignore -lang-fortran.
9197 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
9198 qualifiers don't match at any level of pointerness.
9200 2000-01-12 Robert Lipe <robertl@sco.com>
9202 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
9204 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
9206 * reload1.c (reload_reg_unavailable): New static variable.
9207 (reload_reg_free_p): Test it.
9208 (reload_reg_free_for_value_p): Test it instead of
9210 (choose_reload_regs_init): Compute it.
9212 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
9214 * reorg.c (fill_slots_from_thread): Check modified_in_p
9217 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
9219 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
9220 these nodes even if INTERNALS is not set.
9222 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
9224 * gcse.c (delete_null_pointer_checks_1): Cope when
9225 get_condition cannot determine the condition.
9227 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
9229 * toplev.h (set_message_length): Declare.
9231 * diagnostic.c (obstack_chunk_alloc): Define macro.
9232 (obstack_chunk_free): Likewise.
9233 (struct output_buffer): New data structure.
9235 (output_maximum_width): New variable.
9236 (doing_line_wrapping, set_message_length, init_output_buffer,
9237 get_output_prefix, output_space_left, emit_output_prefix,
9238 output_newline, output_append, output_puts, dump_output,
9239 vbuild_message_string, build_message_string, build_location_prefix,
9240 voutput_notice, output_printf, line_wrapper_printf,
9241 vline_wrapper_message_with_location): New functions. Implement
9242 automatic line wrapping.
9243 (v_message_with_decl): Make it handle automatic line wrapping.
9244 (v_error_with_file_and_line): Likewise.
9245 (v_warning_with_file_and_line): Likewise.
9246 (announce_function): Likewise.
9247 (default_print_error_function): Likewise.
9249 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
9251 * cpplib.h (struct cpp_options): Change lang_asm to char.
9253 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
9254 done in cpp_handle_option now.
9255 (initialize_builtins): Take out special case code used only by
9257 (cpp_handle_option): Turn off trigraphs and trigraph warnings
9258 if -traditional. Recognize -lang-fortran and set
9259 lang_fortran, also turn off cplusplus_comments.
9260 (print_help): Document -lang-fortran.
9261 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
9262 lang_asm. Ignore all directives other than `# 123 "file"' if
9264 (cpp_get_token): If -traditional, don't recognize directives
9265 unless the # is in column 1.
9266 (parse_string): If lang_fortran or lang_asm, silently
9267 terminate strings ('' or "") at end of line.
9268 Remove unnecessary braces.
9270 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9271 Richard Henderson <rth@cygnus.com>
9273 * resource.c (mark_referenced_resources): Mark a set strict_low_part
9275 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
9276 strict_low_part when possible.
9278 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9280 * alias.c: PROTO -> PARAMS.
9281 * basic-block.h: Likewise.
9282 * bitmap.c: Likewise.
9283 * bitmap.h: Likewise.
9284 * builtins.c: Likewise.
9285 * c-aux-info.c: Likewise.
9286 * caller-save.c: Likewise.
9287 * calls.c: Likewise.
9289 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9291 * Makefile.in (toplev.o): Depend on regs.h.
9293 * output.h (tdesc_section): Prototype.
9295 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
9297 * sdbout.c: Include "tm_p.h".
9299 * toplev.c: Include "regs.h".
9301 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
9303 * unroll.c (unroll_loop): Add EH support.
9305 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9307 * pa-protos.h: New file.
9309 * pa.c: Include recog.h and tm_p.h.
9310 (compute_zdepwi_operands, compute_movstrsi_length,
9311 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
9312 find_addr_reg, import_milli): Add static prototypes.
9313 (pa_cpu_string, pa_arch_string): Constify a char*.
9314 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
9315 (read_only_operand): Add argument `mode'.
9316 (singlemove_string, output_move_double, output_fp_move_double,
9317 output_block_move, output_and, output_ior, output_ascii,
9318 remove_useless_addtr_insns, milli_names, output_mul_insn,
9319 output_div_insn, output_mod_insn, output_arg_descriptor,
9320 output_cbranch, output_bb, output_bvb, output_dbra, ,
9321 output_millicode_call, output_call, hppa_encode_label,
9322 output_parallel_movb, output_parallel_addb): Constify a char*.
9323 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
9324 (output_parallel_addb): Remove extra arg to `constrain_operands'
9326 * pa.h: Move all prototypes to pa-protos.h.
9327 (pa_cpu_string, pa_arch_string): Constify a char*.
9328 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
9330 * pa.md: Call `function_label_operand' with mode argument.
9331 Likewise for `read_only_operand'.
9332 Fix nesting of parens in call to `symbolic_operand'.
9334 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9336 * i860-protos.h: New file.
9338 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
9341 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
9343 * i860.md: Likewise.
9345 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
9347 * i386.md (movstrsi expander): Rewrite.
9348 (movstrsi_1 insn): Deleted.
9349 (strmovhi, strmovqi expander): New expanders.
9350 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
9351 * i386.c (x86_single_stringop): New global variable.
9352 * i386.h (x86_single_stringop): Declare.
9353 (TARGET_SINGLE_STRINGOP): New macro.
9355 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
9357 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
9358 integer vararg POSTINCREMENT before the destination of the jump
9359 for the hard fp case.
9360 (function_arg_pass_by_reference): Pass a copy of CUM to
9363 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
9364 for CONSTANT_ADDRESS_P above while loop for subreg.
9366 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
9368 * flow.c (propagate_block): When a prologue/epilogue insn
9369 is marked dead, unconditionally clear libcall_is_dead and
9370 insn_is_dead, and only dump rtl if warnings aren't being
9373 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
9375 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
9376 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
9377 (FIXED_REGISTERS): Set dirflag as fixed.
9378 (CALL_USED_REGISTERS): Set dirflag as used.
9379 (REG_ALLOC_ORDER): Set dirflag as last one.
9380 (DIRFLAG_REG): New macro.
9381 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
9382 (HI_REGISTER_NAMES): Add dirflag.
9383 (DEBUF_PRINT_REG): Handle dirflag.
9384 * i386.md (type attribute): New cld and str types.
9385 (length_opcode attribute): Set cld and str to 1.
9386 (memory attribute): Set str to unknown - it is not clear from the
9388 (pent_np function unit): Prefixed string operations takes 12 cycles
9389 minimally; cld takes 2 cycles.
9390 (ppro_uops attribute): Str is "many" and cld is "few".
9391 (ppro_p0 unit): Handle cld here.
9392 (k6_alux unit): Handle cld and str types.
9393 (k6_load unit): It is ocupied by str opcodes.
9394 (k6_store unit): It is ocupied by str opcodes.
9395 (athlon_decode): Str is vector decoded.
9396 (athlon_ieu): Handle str and cld.
9398 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
9399 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
9400 cmpstrsi_nz_1 insn): Do not output cld instruction
9402 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
9404 * gcc.texi (G++ and GCC): Add Java and Chill.
9405 (Bug Critera): Don't list languages.
9407 * gcc.texi (Incompatibilities): No longer claim most C compilers
9410 * gcc.texi (G++ and GCC): Update other front-ends list.
9412 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
9414 * i386.c (ix86_expand_setcc): Fix typo.
9415 (ix86_expand_movcc): Similarly.
9417 * Band-aid until haifa's bitset implementation is nuked.
9418 * haifa-sched.c (extract_bitlst): New parameter for size of the
9419 bitset in bits. All callers changed. Avoid looking at undefined
9421 (edgeset_bitsize): New variable.
9422 (schedule_region): Initialize edgeset_bitsize.
9424 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9426 * Makefile.in (optabs.o): Depend on real.h
9427 (resource.o): Depend on insn-attr.h
9429 * builtins.c (result_vector): Wrap prototype in macro conditions
9430 governing definition and use.
9432 * c-common.c: Include tm_p.h.
9434 * c-lex.c: Likewise.
9436 * elfos.h: Constify a char*.
9438 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
9439 (get_attr_length, shorten_branches, profile_after_prologue): Mark
9440 parameter with ATTRIBUTE_UNUSED.
9442 * fold-const.c (exact_real_inverse): Wrap variable `i' in
9445 * haifa-sched.c (schedule_insns): Mark parameter with
9448 * optabs.c: Include real.h.
9450 * real.h (ereal_atof): Add prototype arguments.
9452 * resource.c: Include insn-attr.h.
9454 * sdbout.c (sdbout_queue_anonymous_type,
9455 sdbout_dequeue_anonymous_types): Wrap in macro
9456 SDB_ALLOW_FORWARD_REFERENCES.
9457 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
9460 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
9462 * stupid.c: Include tm_p.h.
9464 * tree.c (real_value_from_int_cst): Mark parameter with
9467 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9469 * i960-protos.h: New file.
9471 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
9474 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
9476 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9478 * combine.c (expand_field_assignment): Do not discard SUBREGs
9479 while computing nonzero_bits.
9481 2000-01-09 Nick Clifton <nickc@cygnus.com>
9483 * config/arm/arm.c: Fix compile time warnings about signed vs
9485 * config/arm/arm.h: Fix compile time warnings about signed vs
9488 2000-01-09 Philip Blundell <philb@gnu.org>
9490 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
9491 than `ldm' with only one register.
9492 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
9495 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
9498 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
9500 * config/ns32k/ns32k.md (load or push effective address): Operand 1
9503 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9505 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
9506 assignment used as truth value.
9508 * function.c (assign_temp): Mark parameter `dont_promote' with
9509 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
9510 PROMOTE_FOR_CALL_ONLY.
9512 * genrecog.c (write_subroutine): Mark variable `operands' with
9515 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
9518 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
9519 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
9521 * toplev.c (note_deferral_of_defined_inline_function): Likewise
9524 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9526 * config/c4x.h: Tidy up comments.
9527 * config/c4x.c: Likewise.
9529 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
9531 * fold-const.c (lshift_double, rshift_double): Handle
9532 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
9534 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9536 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
9537 in prepare_function_start().
9539 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
9541 * config/v850/v850.c (expand_epilogue): Interrupt functions no
9542 longer allocate extra stack for function calls.
9544 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9546 * config/c4x/c4x.md (*subqf3_set): Fix typo.
9548 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9550 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
9552 2000-01-07 David Edelsohn <edelsohn@gnu.org>
9554 * rs6000.c (processor_target_table): Add power3 as alias for 630.
9555 * aix43.h: Revert Aug 2 change.
9556 (HAS_INIT_SECTION): Define, not visible yet.
9557 (LD_INIT_SWITCH): Define, not visible yet.
9558 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
9560 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
9562 * collect2.c (main): Expand ld2 size further.
9563 (export_object_lst): Cast assignment to avoid warning.
9564 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
9565 (scan_prog_file, COFF): Do not collect initialization or
9566 finalization functions generated for entire shared object if
9567 init/fini support present.
9569 2000-01-07 Nick Clifton <nickc@cygnus.com>
9571 * config/elfos.h: Tidy up formatting of marcos. Make sure
9572 that .section directives are always prefixed by a tab.
9574 * config/svr4.h: Add #include "elfos.h" and remove duplicate
9577 2000-01-07 Matt Austern <austern@sgi.com>
9579 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
9582 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
9584 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
9586 (crtbegin.o, s-crtS): Likewise.
9588 2000-01-06 Richard Henderson <rth@cygnus.com>
9590 * alpha.md (adddi_2+1): Limit offset such that it will be
9591 loadable with a single ldah+lda pair.
9592 (adddi_2+2): Explicitly fail split if we can't make it work.
9594 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
9596 * protoize.c: Conditionally include unistd.h.
9597 (IS_SAME_PATH_CHAR): New macro.
9598 (IS_SAME_PATH): New macro.
9599 (CPLUS_FILE_SUFFIX): New macro.
9600 (cplus_suffix): New static variable.
9601 (is_abspath): New static function.
9602 (in_system_include_dir): Handle DOS style pathnames.
9603 (file_could_be_converted): Likewise.
9604 (file_normally_convertible): Likewise.
9605 (directory_specified_p): Likewise.
9606 (file_excluded_p): Likewise.
9607 (abspath): Likewise.
9608 (shortpath): Likewise.
9609 (referenced_file_is_newer): Likewise.
9610 (save_def_or_dec): Likewise.
9611 (do_processing): Likewise.
9613 (edit_file): Likewise. Use rename instead of link.
9614 (rename_c_file): Likewise. Don't rename syscalls file.
9615 (munge_compile_params): Define null device for DOS based systems.
9616 (process_aux_info_file): Use binary mode if appliable.
9617 (edit_file): Likewise.
9618 * invoke.texi (Running Protoize): Document C++ suffixes used.
9620 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
9621 IS_DIR_SEPARATOR macros.
9622 * collect2.c: Likewise.
9623 * cppinit.c: Likewise.
9624 * dwarf2out.c: Likewise.
9627 * prefix.c: Likewise.
9629 * toplev.c: Likewise.
9630 * system.h: And move to here.
9632 * prefix.c (update_path): Fix typo in variable name.
9634 2000-01-06 Richard Henderson <rth@cygnus.com>
9636 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
9637 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
9638 (count_reg_sets_1, count_reg_references): Likewise.
9639 (flow_loops_level_compute): Start counting actual loop depth at 1.
9640 (flow_loops_find): Likewise.
9641 * local-alloc.c (update_equiv_regs): Likewise.
9642 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
9644 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
9646 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
9647 FIRST_PSEUDO_REGISTER
9648 * dwarf2out.c: Don't include frame.h
9649 * dwarfout.c: Likewise
9650 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
9653 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
9655 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9658 * i386.c (movsf splitter): Fix typo in my last checkin.
9660 2000-01-05 Nick Clifton <nickc@cygnus.com>
9662 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
9663 own definition of this macro.
9664 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
9665 flag_data_sections or UNIQUE_SECTION_P are true.
9667 * tm.texi (UNIQUE_SECTION): Document that it can be called for
9668 unitialised data decls.
9670 * config/i386/winnt.c (i386_pe_unique_section): Cope with
9671 being called for uninitialised data.
9673 * config/i386/interix.c (i386_pe_unique_section): Cope with
9674 being called for uninitialised data.
9676 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
9677 for uninitialised data.
9679 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
9680 for uninitialised data.
9682 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
9683 for uninitialised data.
9685 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
9686 (UNIQUE_SECTION_P): Always generate a unique section if
9687 flag_data_sections is true.
9688 (UNIQUE_SECTION): Also generate unique sections for
9690 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
9691 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
9694 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9696 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
9699 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9701 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
9702 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
9703 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
9704 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
9705 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
9707 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
9709 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
9711 * c-decl.c (finish_enum): Simplify code to determine minimum and
9712 maximum values of the enum, and calculate the type. Remove check
9713 for FUNCTION_DECLs in the values list, which cannot happen. Replace
9714 the DECL_INITIAL of each enumeration constant with a copy converted
9715 to the enumeration type. When updating variant types, don't bother
9716 updating the type itself.
9718 * c-typeck.c (build_binary_op): Simplify conditional expressions
9719 when weeding out spurious signed-unsigned warnings. Add new
9720 spurious warning category: if the unsigned quantity is an enum
9721 and its maximum value fits in signed_type(result_type). Update
9723 (build_conditional_expr): Warn here if one alternative is signed
9724 and the other is unsigned.
9726 2000-01-05 Nick Clifton <nickc@cygnus.com>
9728 * config/fr30/fr30.h: Remove extraneous comments.
9730 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
9732 * reload1.c (choose_reload_regs): When disabling a reload, also
9733 set reload_spill_index to -1.
9735 2000-01-04 Joel Sherrill (joel@OARcorp.com>
9737 * configure.in (m68*-*-rtemscoff*): New target, formal name for
9739 (m68*-*-rtemself*): New target.
9740 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
9741 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
9742 (sparc*-*-rtemself*): New target.
9743 (sparc*-*-rtems*): Now elf not a.out.
9744 * config/i386/rtems.h: Include config/rtems.h.
9745 * config/i386/rtemself.h: Include config/rtems.h.
9746 * config/i960/rtems.h: Include config/rtems.h.
9747 * config/m68k/rtems.h: Include config/rtems.h.
9748 * config/m68k/rtemself.h: Include config/rtems.h.
9749 * config/mips/rtems64.h: Include config/rtems.h.
9750 * config/pa/rtems.h: Include config/rtems.h.
9751 * config/rs6000/rtems.h: Include config/rtems.h.
9752 * config/sh/rtems.h: Include config/rtems.h.
9753 * config/sh/rtemself.h: Include config/rtems.h.
9754 * config/sparc/rtems.h: Include config/rtems.h.
9755 * config/sparc/rtemself.h: Include config/rtems.h
9757 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
9759 * final.c (shorten_branches): Correctly compute length of
9760 asms without operands.
9762 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
9764 * configure.in: Add pj target.
9765 * configure: Regenerate.
9766 * config/pj: New directory.
9767 * config/pj/lib1funcs.S: New file.
9768 * config/pj/linux.h: New file.
9769 * config/pj/pj.c: New file.
9770 * config/pj/pj.md: New file.
9771 * config/pj/pjl.h: New file.
9772 * config/pj/t-pj: New file.
9773 * config/pj/xm-pj.h: New file
9775 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
9777 * toplev.c (rest_of_compilation): Run shorten-branches before
9780 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9782 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
9783 macros so that they're consistent with their names.
9784 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
9785 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
9787 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9789 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
9790 modified inadvertently.
9792 2000-01-04 Joel Sherrill <joel@OARcorp.com>
9794 * configure.in (v850*-*-rtems*): New target.
9795 * configure: Regenerate.
9796 * config/v850/rtems.h: New file.
9798 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
9800 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
9801 (__gthread_key_create): Likewise.
9802 (__gthread_key_dtor): Likewise.
9803 (__gthread_once): Fix logic.
9804 (__gthread_key_delete): Cast away constness.
9806 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
9807 * invoke.texi: Document.
9808 * i386/mingw32.h (CPP_SPEC): Use.
9809 (LIBGCC_SPEC): Likewise.
9810 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
9812 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9814 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
9815 (HANDLE_PRAGMA_PACK): Undefine.
9816 (SLOW_UNALIGNED_ACCESS): Define.
9818 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9820 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
9821 to default definition.
9822 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
9823 (store_fixed_bit_field): Call macro with word_mode and alignment.
9824 (extract_bit_field): Call macro with relevant mode and alignment.
9825 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
9826 to default definition.
9827 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
9829 (move_by_pieces_ninsns): Likewise.
9830 (clear_by_pieces): Likewise.
9831 (emit_push_insn): Likewise.
9832 (store_field): Call macro with relevant mode and alignment.
9833 (expand_expr): Likewise.
9834 (expand_expr_unaligned): Likewise.
9836 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
9837 (SLOW_UNALIGNED_ACCESS): Define.
9838 (CASE_VECTOR_MODE): Always use 32-bit offsets.
9839 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
9840 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
9841 (toc_section): Likewise and .toc pseudo-op.
9842 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
9844 (TEXT_SECTION_ASM_OP): Likewise.
9845 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
9848 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
9849 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
9850 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
9851 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
9852 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
9854 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
9856 * regclass.c: Revert my Jan 4 change to loop cost computation.
9858 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
9860 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
9863 2000-01-04 Stan Cox <scox@cygnus.com>
9865 * haifa-sched.c (build_control_flow): Change unreachable simple
9866 loop test to check if current block has only one predecessor.
9867 (find_rgns): Initialize degree. Use dest as degree index, not src.
9869 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9871 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
9873 * calls.c (expand_call): Likewise for
9874 `old_stack_arg_under_construction'.
9876 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
9878 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
9881 * gcc.c (execute): Likewise for `ut' and `st'.
9883 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
9885 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
9887 * jump.c (jump_optimize_1): Likewise for `temp2'.
9889 * local-alloc.c (block_alloc): Likewise for `r1'.
9891 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
9893 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
9894 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
9896 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
9899 * reload.c (find_reloads): Likewise for `goal_alternative_number'
9900 and `goal_earlyclobber'.
9902 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
9904 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
9906 * stupid.c (stupid_life_analysis): Likewise for `chain'.
9908 * unroll.c (copy_loop_body): Likewise for `copy'.
9910 * varasm.c (output_constructor): Likewise for `byte'.
9912 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
9914 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
9915 all FP constants for constant->reg moves.
9916 (ix86_split_to_parts): Try to convert memory address into immediate
9917 when available in the constant pool.
9918 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
9920 (LEGITIMATE_CONSTANT_P): Return 1.
9921 * i386.md (pushsf): New splitter to convert constant pool memory
9922 reference to immediate.
9923 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
9926 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
9928 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
9929 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
9930 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
9931 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
9932 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
9934 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
9936 * ginclude/stdbool.h: Support compilation as C++.
9938 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9940 * fold-const.c (make_range): Don't try to reverse an unbounded range.
9942 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
9944 * regclass.c (regclass): Properly compute loop_cost. Adjust
9947 * regclass.c: Fix minor whitespace problems.
9949 2000-01-03 Anthony Green <green@cygnus.com>
9951 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
9952 Restore the pic register if required.
9954 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
9956 * c-common.c (format_char_info): Update comment.
9957 (check_format_info): Recognize 'z' modifier in the same way 'Z'
9958 was recognized. Emit warning for formats new in ISO C99 only
9959 if flag_isoc9x is not set.
9961 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
9963 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
9965 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
9967 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
9968 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
9969 (make_compound_operation): Choose cheaper alternative between
9970 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
9972 * regclass.c (op_costs): Remove global variable.
9973 (record_reg_classes): New parameter "op_costs" and "reg_pref".
9974 (record_operand_costs): Break out from ...
9975 (scan_one_insn): ... here.
9976 (dump_regclass): Make dumps nicer.
9977 (regclass): Dump preferrences choosed and changes done during passes.
9979 2000-01-03 Jakub Jelinek <jakub@redhat.com>
9981 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
9983 2000-01-03 Jakub Jelinek <jakub@redhat.com>
9985 * config/sparc/sparc.c (gen_df_reg): New function.
9986 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
9987 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
9988 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
9989 movtf_cc_reg_sp64+1): Use it.
9991 2000-01-02 Mark Mitchell <mark@codesourcery.com>
9993 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
9996 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9998 * config/i386/i386.c (ix86_expand_unary_operator): Function
9999 definition made void.
10000 (ix86_expand_binary_operator): Update outdated preceding comment.
10001 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
10004 * config/i386/i386.c (override_options): Fix option-name typo.
10006 2000-01-02 Mark Mitchell <mark@codesourcery.com>
10008 * system.h (CEIL): Define.
10009 * builtins.c (CEIL): Remove.
10010 * expmed.c (CEIL): Likewise.
10011 * expr.c (CEIL): Likewise.
10012 * stor-layout.c (CEIL): Likewise.
10014 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10016 * expr.c (store_constructor_field): Fix typo introduced with last
10019 2000-01-01 Mark Mitchell <mark@codesourcery.com>
10021 * tree.h (BINFO_N_BASETYPES): New macro.
10023 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
10025 * expmed.c (emit_store_flag): Prevent losing a pending stack
10026 adjust the same way we prevent losing queued increments.
10028 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10030 * function.c (update_temp_slot_address): Handle case where sum of
10031 temporary address plus offset in register is a valid address.
10033 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10035 * genrecog.c (change_state) Corrected typo.
10037 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10039 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
10040 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
10041 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
10043 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
10045 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
10046 case, expand GT comparisons correctly. Fix a comment before this
10049 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
10051 * dwarfout.c: Include "frame.h"
10052 * dwarf2out.c: Likewise.
10053 * Makefile.in (dwarfout.o): Depend on frame.h
10054 (dwarf2out.o): Likewise.
10056 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
10058 Restore i386 binary compatibility in Dwarf EH info.
10059 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
10060 value of FIRST_PSEUDO_REGISTER.
10061 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
10062 (struct frame_state): Use DWARF_FRAME_REGISTERS.
10063 * dwarfout.c (output_reg_number): Ditto.
10064 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
10065 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
10067 1999-12-29 Bruce Korb <autogen@linuxbox.com>
10069 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
10070 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
10071 (<hack>_RE_CT): not needed
10072 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
10073 rewritten to scan the file text once only
10074 "template<..." test added
10075 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
10076 (is_cxx_header): declaration added
10077 * fixinc/fixtests.c(is_cxx_header): removed
10078 (apply_fix_p_t): removed
10079 (double_slash_test): is_cxx_header is only called once now
10080 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
10081 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
10082 within the templates.
10083 The borken spelling of "broken" was fixed.
10084 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
10085 The default level depends on FIXINC_DEBUG.
10087 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10089 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
10090 Otherwise provide a declaration for atexit.
10091 (init_dummy): Make sure dummy call to atexit is nevertheless
10092 called with correct number of args.
10094 * frame.c: Update comments referring to other files.
10096 * libgcc2.c: Likewise.
10098 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10100 * cse.c (free_element, get_element): Remove unused prototypes.
10102 * fold-const.c (extract_muldiv): Initialize variables `op0' and
10105 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
10108 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
10110 * configure.in,configure: case arm for mn10200-*-* now sets
10111 float_format=i32 so that float.h will correctly claim "double"
10112 to be 32 bits. Ran autoconf to generate configure from .in file.
10114 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
10116 * pa.md (conditional zero): If op1 is a register, force it into
10117 the same register as op0.
10119 1999-12-28 Mark Mitchell <mark@codesourcery.com>
10121 * tree.h (BINFO_BASETYPES): Improve documentation.
10123 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10125 * configure.in (--enable-checking): Use a more portable `for'
10128 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10130 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
10131 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
10133 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
10136 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
10137 Delete descriptions.
10139 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
10140 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
10141 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
10142 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
10143 xm-svr4.h: Remove all instances of sys_siglist handling.
10145 1999-12-27 Jakub Jelinek <jakub@redhat.com>
10147 * config/sparc/sparc.md (cmp_zero_qi,
10148 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
10149 cmp_zero_extendqidi2_andcc_set): New patterns.
10151 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
10153 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
10154 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
10155 (fpgnulib.c, xfgnulib.c): Add rules.
10156 * m68k/t-mot3300-gas: Likewise.
10158 1999-12-27 Ian Lance Taylor <ian@zembu.com>
10160 * configure.in: Avoid [[ by using test and changequote. Add
10161 changequote required by 1999-12-14 change.
10162 * configure: Rebuild.
10164 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
10166 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
10168 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
10170 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
10171 * flow.c (find_use_as_address): Likewise.
10172 * function.c (fixup_var_refs_1): Likewise.
10173 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
10174 * jump.c (invert_exp, redirect_exp): Likewise.
10175 * loop.c (replace_call_address): Likewise.
10176 (count_nonfixed_reads): Likewise.
10177 * rtlanal.c (modified_between_p): Likewise.
10178 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
10179 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
10180 * unroll.c (remap_split_bivs): Likewise.
10182 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10184 * diagnostic.c (v_message_with_decl): Use .* format specifier
10185 instead of building the format specifier width manually.
10187 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
10188 determining whether to provide a prototype. Remove the
10189 sys_siglist clause in the conditional.
10191 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10193 * fold-const.c (operand_equal_p): Use memcmp to compare string
10195 Suggested by D. J. Bernstein
10197 1999-12-17 Jakub Jelinek <jakub@redhat.com>
10199 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
10200 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
10202 * config/mips/mips.h (TARGET_64BIT): Likewise.
10203 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
10204 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
10205 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
10206 dsps. Give routines proper names if SI/DI modes are not used.
10207 * longlong.h: Use DWunion instead of DIunion.
10209 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
10211 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
10212 GC_CHECKING, GC_ALWAYS_COLLECT.
10213 * configure.in: Allow --enable-checking with an argument
10214 listing check modes to enable.
10215 * config.in, configure: Rebuilt.
10216 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
10217 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
10218 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
10219 ENABLE_GC_ALWAYS_COLLECT.
10220 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
10222 * tree.h, tree.c: Change ENABLE_CHECKING to
10223 ENABLE_TREE_CHECKING throughout.
10225 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10227 * fold-const.c (fold_truthop): Properly check for FP RHS.
10229 1999-12-24 Mark Mitchell <mark@codesourcery.com>
10231 * toplev.h (note_deferall_of_defined_inline_function): Declare.
10232 * toplev.c (note_deferral_of_defined_inline_function): New
10233 function, split out from ...
10234 (rest_of_compilation): ... here. Use it.
10236 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10238 * expr.c (store_constructor): Don't call clear_storage if size is
10241 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10243 * Makefile.in (toplev.o): Depend on loop.h.
10245 * dwarfout.c: Include tm_p.h.
10247 * emit-rtl.c (restore_emit_status): Mark parameter with
10250 * final.c (final_scan_insn): Likewise.
10252 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
10253 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
10254 flow_depth_first_order_compute, flow_loop_pre_header_find,
10255 flow_loop_tree_node_add, flow_loops_tree_build,
10256 flow_loop_level_compute, flow_loops_level_compute,
10257 flow_loop_outside_edge_p): Add prototypes.
10258 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
10260 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
10261 Mark with ATTRIBUTE_NORETURN.
10263 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
10265 * local-alloc.c (no_conflict_p): Likewise.
10267 * loop.c (insert_bct): Hide definitions of variables with hidden
10269 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
10271 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
10272 with ATTRIBUTE_UNUSED.
10273 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
10274 (reg_scan): Likewise.
10276 * reload.c (find_reloads): Remove unused variables `changed'.
10278 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
10280 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
10281 Remove unused variable `insn'.
10283 * toplev.c: Include loop.h.
10284 (report_file_and_line): Remove unnecessary prototype.
10286 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
10288 * unroll.c (biv_total_increment): Likewise.
10290 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10292 * reload1.c (emit_input_reload_insns): Restore old behaviour
10293 wrt. 'special' reloads.
10295 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
10297 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
10298 hash.h. (cse.c): Don't depend on hashtab.h.
10300 * cse.c: Don't include hashtab.h.
10301 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
10303 * ggc-simple.c: Don't include hash.h.
10305 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
10307 * dwarf2out.c (add_abstract_origin_attribute): Call
10308 gen_abstract_function on our function context.
10310 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
10312 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
10314 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10316 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
10319 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10321 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
10322 constraints to "a!r".
10324 1999-12-21 Mark Mitchell <mark@codesourcery.com>
10326 * Makefile.in (calls.o): Depend on function.h.
10327 (alias.o): Likewise.
10329 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
10331 * reload1.c (emit_reload_insns): Break out code and variables into...
10332 (input_reload_insns, other_input_address_reload_insns,
10333 other_input_reload_insns, input_address_reload_insns,
10334 inpaddr_address_reload_insns, output_reload_insns,
10335 output_address_reload_insns, outaddr_address_reload_insns,
10336 operand_reload_insns, other_operand_reload_insns,
10337 other_output_reload_insns): ... new static variables, and...
10338 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
10339 do_output_reload): ... new functions.
10341 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10343 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
10345 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10347 * md.texi: Add c4x constraints documentation.
10349 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10351 * config/i386/dgux.c (struct option): Rename to
10352 lang_independent_option.
10353 (struct m_options): Add description field.
10354 (output_options): Rename option type, add sep declaration, output
10355 ix86_cpu_string and ix86_arch_string only if set.
10356 (output_file_start): Rename option type.
10358 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
10360 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
10362 (libgcc2.a): Similarly.
10364 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
10366 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
10367 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
10368 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
10370 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
10372 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
10373 Remove redundant initialization of "frexpon" and "expon".
10375 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10377 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
10379 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
10380 (store_constructor_field, expand_expr): Pass new arg.
10382 1999-12-20 Mark Mitchell <mark@codesourcery.com>
10384 * Makefile.in (explow.o): Depend on function.h.
10386 * stor-layout.c (set_sizetype): Fix typo.
10388 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
10390 * function.c (cfun): Renamed from current_function. All users
10392 * function.h (cfun): Rename declaration as well.
10394 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
10395 to be of type regset_head, not regset. All users changed by adding
10397 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
10399 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10401 * config/c4x/rtems.h: New file.
10403 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
10405 * reload1.c (spill_failure): Take class of failed reload as argument
10406 and print it. Caller changed.
10408 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10410 * rs6000.h (SUBTARGET_DEFAULT): New macro.
10411 (TARGET_SWITCHES): Allow subtargets to default switches.
10412 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
10414 1999-12-18 Mark Mitchell <mark@codesourcery.com>
10416 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
10419 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
10421 * cccp.c (main): Define __STDC_VERSION__ as necessary.
10422 * cppinit.c (cpp_handle_option): Likewise.
10424 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
10425 determine when to define.
10427 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
10429 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
10430 cmove with mismatched test and data modes.
10432 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
10434 * c-typeck.c (c_expand_start_case): Don't warn for long switch
10437 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10439 * alias.c: Minor reformatting.
10440 * flow.c: Likewise.
10441 * regs.h: Likewise.
10442 * stor-layout.c: Likewise.
10443 * fold-const.c: Likewise.
10444 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
10445 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
10447 (size_int_wide): Cache nodes even if garbage collecting.
10448 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
10449 of SAVE_EXPR has no side effects.
10450 * cse.c: Move a comment.
10451 * tree.c: Minor reformatting.
10452 (int_size_in_bytes): Return -1 if constant overflows.
10454 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10456 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
10458 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
10460 * objc/objc-parse.c: Regenerate. This file must be rebuilt
10461 after any change to c-parse.in, even if objc-parse.y didn't
10464 1999-12-18 David S. Miller <davem@redhat.com>
10466 * toplev.c (rest_of_compilation): Restore BLOCK tree
10467 reconstruction and branch shortening changes lost in
10468 December 18th change.
10470 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
10472 * config/arm/linux-elf.h: Change all instances of
10473 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
10474 * config/arm/uclinux-elf.h: Likewise.
10476 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
10478 * toplev.c (notice, vmessage, v_message_with_file_and_line,
10479 v_message_with_decl, file_and_line_for_asm,
10480 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
10481 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
10482 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
10483 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
10484 pfatal_with_name, fatal_io_error, need_error_newline,
10485 last_error_function, last_error_tick, announce_function,
10486 default_print_error_function, print_error_function,
10487 report_error_function, fnotice, error_with_file_and_line,
10488 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
10489 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
10490 warning_with_decl, warning_for_asm, warning, pedwarn,
10491 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
10493 (compile_file): Use fnotice instead of notice. Adjust call.
10495 * diagnostic.c: New file.
10497 * Makefile.in (OBJS): Include diagnostic.o
10498 (diagnostic.o): Define dependence.
10500 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10502 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
10505 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10507 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
10509 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
10511 * fixtests.c (is_cxx_header): New fn, split out of
10513 (else_endif_label): Allow "#endif // comment" in C++ headers,
10514 as determined by is_cxx_header.
10515 * fixfixes.c (else_endif_label_fix): Update comment.
10516 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
10518 * genfixes: Correct double thinko in commandline parsing.
10519 * hackshell.tpl: Generate correct sh syntax for bypass
10522 * inclhack.def (all): Whenever an inserted preprocessor
10523 conditional is split over multiple lines, use double
10524 backslashes in this file so the fixed header will be readable.
10526 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
10527 and add bypass entry for correct version of this header.
10528 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
10529 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
10531 (hpux8_bogus_inlines): New fix, split from...
10532 (ultrix_atof_param) ... here.
10533 (math_expression): Add bypass entry keyed to glibc comment
10534 indicating the problem has been dealt with; disable
10535 unnecessary sed operations; update commentary.
10536 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
10537 add select and bypass entries, simplify shell operation.
10538 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
10540 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
10541 ultrix_atof_param): Add select entry.
10542 (stdio_va_list, sunos_mather_decl): Add bypass entry.
10543 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
10544 comments with the fixes they describe.
10546 * c-parse.in (string action): Do not warn about ANSI string
10547 concatenation in system headers. Affects C parser only.
10548 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
10550 1999-12-16 Jakub Jelinek <jakub@redhat.com>
10552 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
10553 compiling libgcc2 the macro depends always on arch cpp defines.
10555 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
10557 * loop.c (insert_loop_mem): Don't record MEMs from inside
10560 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
10562 * regclass.c (regclass): Do not use flowgraph when not optimizing.
10564 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
10565 notes too, create one when replacement failed, attempt to simplify
10567 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
10568 or REG_EQUIV notes.
10570 1999-12-16 Mark Mitchell <mark@codesourcery.com>
10572 * crtstuff.c (__dso_handle): Declare.
10573 (__cxa_finalize): Likewise.
10574 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
10577 * invoke.texi: Document -fuse-cxa-atexit.
10579 * tree.h (ptr_type_node): Document.
10580 (const_ptr_type_node): Likewise.
10582 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10584 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
10585 (optimize_reg_copy_2): Likewise.
10586 (optimize_reg_copy_3): Likewise.
10587 (fixup_match_2): Likewise.
10588 (regmove_optimize): Likewise.
10589 (fixup_match_1): Liekwise.
10591 * i386.md (HI to SImode promoting splitters): Rewrite.
10592 (pushsf mem peep2): New.
10593 (testhi to andhi peep2): Remove.
10594 * i386.h (x86_promote_QImode): New.
10595 (TARGET_PROMOTE_QImode): New.
10596 (PREDICATE_CODES): Add promotable_binary_operator.
10597 * i386.c (x86_promote_QImode0: New.
10598 (promotable_binary_operator): New.
10599 * i386-protos.h (promotable_binary_operator): New.
10601 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
10603 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
10605 1999-12-16 Mark Mitchell <mark@codesourcery.com>
10607 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
10608 * function.c (insert_block_after_note): Remove.
10609 (retrofit_block): Likewise.
10610 (identify_blocks): Fix indentation.
10611 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
10612 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
10613 * function.h (insert_block_after_note): Remove prototype.
10614 (retrofit_block): Likewise.
10615 * integrate.c (expand_inline_function): Don't call
10616 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
10617 just expand_start_bindings. Use the block_map to remap old
10618 NOTE_BLOCKs to new ones.
10619 (integrate_decl_tree): Keep track of remapped blocks.
10620 * integrate.h (struct inline_remap): Add block_map.
10621 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
10622 NOTE_BLOCK on the notes.
10623 (expand_start_bindings): Rename to ...
10624 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
10625 (expand_end_bindings): Set NOTE_BLOCK.
10626 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
10627 reconstruct the BLOCK tree.
10628 * tree.h (expand_start_bindings): Macroize. Call ...
10629 (expand_start_bindings_and_block): New function.
10631 1999-12-16 Jakub Jelinek <jakub@redhat.com>
10633 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
10634 to match the format.
10636 1999-12-16 David S. Miller <davem@redhat.com>
10638 * expr.c (emit_move_insn_1): Only emit clobbers if one of
10639 the outputs is a SUBREG.
10640 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
10643 * config/sparc/sparc.c (epilogue_renumber): Add default case
10646 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10648 * toplev.c (rest_of_compilation): Run branch shortening after
10651 * regclass.c (loop_depth): Remove
10652 (scan_one_insn): Do not handle LOOP_NOTE insns.
10653 (regclass): Go through basic blocks and set loop_cost
10655 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
10657 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
10659 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10661 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
10662 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
10663 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
10665 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
10667 * loop.c (insert_loop_mem): Ignore memory clobbers.
10669 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
10672 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
10674 * profile.c: Remove redundant #include "output.h".
10676 * h8300.md (HImode preinc peephole): Fix typo.
10678 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10680 * function.c (retrofit_block): Abort if we don't find a suitable insn.
10681 (insert_block_after_note): Abort if we don't have a previous block.
10682 Remove FN parameter.
10683 * function.h: Adjust.
10685 1999-12-15 Mark Mitchell <mark@codesourcery.com>
10687 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
10688 argument more than once.
10690 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10692 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
10694 1999-12-15 Jakub Jelinek <jakub@redhat.com>
10696 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
10698 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10700 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
10701 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
10702 update stack_alignment_needed.
10703 (prepare_function_start): Initialize stack_alignment_needed
10704 * function.h (struct function): Add field stack_alignment_needed.
10706 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10708 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
10709 Handle live_throughout / dead_or_set instead of live_before /
10711 (save_call_clobbered_regs): Get register livenessinformation from
10712 chain->live_throughout.
10713 (add_stored_regs): New function.
10714 (insert_restore, insert_save): Add restored / saved registers to
10716 * global.c (reg_dies): New parameter chain.
10717 (reg_becomes_live): Third parameter is regs_set now.
10718 Changed all callers.
10719 (reg_dies): New parameter chain. Changed all callers.
10720 (build_insn_chain): Set live_throughout instead of
10721 live_before / live_after.
10722 * reload.h (struct insn_chain): Replace members live_before /
10723 live_after with live_throughout / dead_or_set.
10724 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
10725 instead of live_before / live_after.
10726 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
10727 (order_regs_for_reload, find_reg, finish_spills): Likewise.
10728 (choose_reload_regs_init): Likewise.
10729 * stupid.c (current_chain, find_clobbered_regs): Delete.
10730 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
10731 instead of chain->live_before / chain->live_after.
10732 (mark_hard_ref): New function.
10733 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
10735 1999-12-15 David S. Miller <davem@redhat.com>
10737 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
10739 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10741 * flow.c (calculate_loop_depth): Make global, remove prototype,
10742 rewrite to use new loop infrastructure.
10743 (find_basic_block): Remove calculate_loop_depth call.
10744 * toplev.c (rest_of_compilation): Call find_basic_block.
10745 * output.h (calculate_loop_depth): Declare.
10747 * flow.c (dump_flow_info): Dump loop_depth.
10748 (flow_loops_nodes_find): Increase loop_depth for basic block in the
10750 (flow_loops_find): Initialize the loop_depth for each basic block.
10752 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10754 * tree.c (decl_function_context): Handle virtual functions.
10756 * tlink.c (scan_linker_output): Don't look in demangled name when
10757 looking for linker output keywords.
10759 * dwarfout.c (output_type): We can defer namespace-scope classes.
10761 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
10763 * regclass.c (record_reg_classes): Update comment for merging
10764 register class preferences in reg->reg copies. Tighten conditions
10765 for merging register class preferences in reg->reg copies.
10767 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
10769 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
10771 1999-12-14 Geoff Keating <geoffk@cygnus.com>
10773 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
10774 (INIT_SECTION_ASM_OP): Delete.
10775 (FINI_SECTION_ASM_OP): Delete.
10776 (STARTFILE_SPEC): Define to hold just crtbegin.o.
10778 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
10780 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
10781 the abstract origin wasn't emitted.
10783 * dwarf2out.c (class_scope_p): New fn.
10784 (gen_subprogram_die): Use it.
10785 (gen_variable_die): Use it. Tweak logic.
10786 (gen_struct_or_union_type_die): Check context_die to determine
10787 if we're function-local.
10788 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
10790 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
10792 * loop.c (check_dbra_loop): Can't reverse a biv that has
10793 maybe_multiple set.
10795 1999-12-14 Nick Clifton <nickc@cygnus.com>
10797 * config/arm/arm.c: Add support for -mcpu=arm720 command line
10800 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10802 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
10803 for givs made from biv increments.
10805 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
10807 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
10808 * alpha.c (override_options): Recognize -mcpu=ev67.
10809 * alpha.h (CPP_CPU_EV67_SPEC): New.
10810 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
10811 (EXTRA_SPECS): Update.
10813 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
10815 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
10816 appropriate for -lang-c89 and -std=*.
10817 * cppinit.c (cpp_handle_option): Likewise.
10818 (new_pending_define): New, split out from cpp_handle_option.
10819 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
10820 or enable trigraphs for -ansi/-std=*.
10822 * ginclude/stdarg.h (__va_copy): New.
10823 (va_copy): Don't define for C89.
10825 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
10827 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
10828 for long long multiply-accumulate.
10830 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10832 * regclass.c (scan_one_insn): Set loop_cost to 1 when
10833 optimizing for size.
10835 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
10837 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
10838 if something changed. Back out that part of yesterday's changes.
10840 * loop.c (loop_max_reg): New static variable.
10841 (loop_optimize): Initialize it. Eliminate one unnecessary call to
10843 (scan_loop): Call reg_scan_update whenever we may have added new
10844 registers, and update loop_max_reg.
10846 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10848 * regclass.c (record_reg_classes): Do not do the copying preferrencing
10849 when source does not die.
10851 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
10853 1999-12-14 Jakub Jelinek <jakub@redhat.com>
10855 * config/sparc/linux64.h (TARGET_LIVE_G0,
10856 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
10858 * config/sparc/linux.h (TARGET_LIVE_G0,
10859 TARGET_BROKEN_SAVERESTORE): Likewise.
10860 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
10861 TARGET_BROKEN_SAVERESTORE): Likewise.
10863 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
10864 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
10866 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
10867 as sparc64 block profiling register.
10868 * config/sparc/sparc.c (sparc_override_options): Allow block
10869 profiling with -m32.
10870 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
10871 profiling register.
10872 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
10873 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
10874 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
10876 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
10878 * config/sparc/sparc.h: Likewise.
10879 * config/sparc/xm-sysv4-64.h: Likewise.
10880 * config/float-sparc.h: Likewise.
10881 * glimits.h: Likewise.
10882 * longlong.h: Likewise.
10884 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
10885 (ASM_IDENTIFY_GCC): Remove.
10887 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
10889 * combine.c (combine_simplify_rtx): Don't make shared rtl.
10890 (simplify_logical): Likewise.
10892 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
10894 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
10895 * cppfiles.c (INO_T_EQ): Likewise.
10897 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
10899 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
10900 * i386/mingw32.h (LIB_SPEC): Likewise.
10901 (STARTFILE_SPEC): Likewise.
10902 * i386/uwin.h (LIB_SPEC): Likewise.
10903 (STARTFILE_SPEC): Likewise.
10905 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
10906 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
10908 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
10910 * combine.c (combine_simplify_rtx): Fix order of checks for
10911 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
10913 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
10915 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
10916 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
10918 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
10920 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
10922 * regclass.c (inv_reg_alloc_order): New array.
10923 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
10925 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
10926 counted_for_groups, counted_for_nongroups. Add fields rld and
10928 * reload.c (push_secondary_reload): Don't set nongroup field of
10930 (push_reload): Likewise.
10931 (find_reloads): Delete code to compute nongroup fields.
10932 * reload1.c (reload_insn_firstobj): New static variable.
10933 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
10935 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
10936 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
10937 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
10939 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
10941 (struct hard_reg_n_uses): Deleted.
10942 (potential_reload_regs): Deleted.
10943 (init_reload): Initialize spilled_pseudos and pseudos_counted.
10944 (reload): Don't try to allocate reload registers if we already know
10945 we have to make another pass. Call select_reload_regs. Free memory
10946 starting with reload_firstobj when starting another pass.
10947 Don't allocate spilled_pseudos.
10948 (calculate_needs_all_insns): Call copy_reloads for an insn that
10949 needs reloads; don't call calculate_needs.
10950 (spill_cost): New static array.
10951 (used_spill_regs_local): New static variable.
10952 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
10953 to compute potential_reload_regs.
10954 (find_reload_regs): Completely rewritten to use find_reg.
10955 (allocate_reload_reg): Don't test counted_for_groups or
10956 counted_for_nongroups. Lose NOERROR arg and code to give an error;
10957 all cllers changed.
10958 (choose_reload_regs): Add fallback code that uses the existing
10959 register allocation from find_reload_regs.
10961 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
10963 * flow.c (create_edge_list): Cast xmalloc return value.
10965 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
10967 * doprnt.c: Remove incorrect comment closure.
10969 * cse.c: Fix a few minor whitespace goofs.
10971 1999-12-13 Don Bowman <don@pixstream.com>
10973 * mips/vxworks.h: Fix problem with comment termination.
10974 (EXTRA_SECTIONS): Add in_sbss.
10975 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
10977 1999-12-12 David S. Miller <davem@redhat.com>
10979 * cse.c (struct cse_reg_info): Add hash_next member,
10980 reorder rest of struct for better packing on 64-bit
10982 (cse_reg_info_tree): Kill.
10983 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
10984 REGHASH_FN): New custom pow2 hash mechanism.
10986 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
10987 use a pow2 hash table.
10988 (get_cse_reg_info): Rework to use new REGHASH.
10989 (new_basic_block): Likewise, use HASH_SIZE, and inline
10991 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
10992 and inline free_element call.
10993 (lookup_as_function, insert, flush_hash_table, invalidate,
10994 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
10995 invalidate_for_call, use_related_value, find_comparison_args,
10996 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
10997 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
10998 get_element): Kill.
11000 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
11002 * cse.c (cse_basic_block): Free qty_table consistently.
11004 1999-12-12 David S. Miller <davem@redhat.com>
11005 Jakub Jelinek <jakub@redhat.com>
11007 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
11008 SUBREGs by hand, gen the appropriate hard reg directly.
11009 (movtf reg/mem split): Likewise and alter_subreg on destination
11011 (movtf mem/reg split): Similarly.
11012 (movdf_cc_sp64): Rename from hidden pattern.
11013 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
11014 (movtf_cc_sp64, following split): New pattern and splitter.
11015 (movdf_cc_reg_sp64): Rename from hidden pattern.
11016 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
11018 (movtf_cc_reg_sp64, following split): New pattern and splitter.
11020 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
11022 * loop.c (load_mems): Don't hoist written floating point mem
11025 1999-12-12 Mark Mitchell <mark@codesourcery.com>
11027 * except.h (struct eh_queue): Add `next' pointer.
11028 (struct eh_status): Make x_ehqueue a pointer.
11029 (push_ehqueue): Declare.
11030 (pop_ehqueue): Likewise.
11031 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
11033 (expand_fixup_region_end): Likewise.
11034 (expand_leftover_cleanups): Likewise.
11035 (push_ehqueue): Define.
11036 (pop_ehqueue): Likewise.
11037 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
11038 than doing it inline.
11039 (expand_start_all_catch): Adjust now that ehqueue is a
11041 (mark_eh_queue): Mark all level of the queue.
11042 (mark_eh_status): Adjust now that ehqueue is a
11044 (init_eh_for_function): Allocate ehqueue.
11045 (free_eh_status): Free it.
11046 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
11047 expansion for a fixup.
11049 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11051 * gthr-single.h (__gthread_active_p): Add prototype arguments.
11053 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
11054 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
11055 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
11056 function_ptr, getpagesize, __enable_execute_stack,
11057 __enable_execute_stack, __clear_insn_cache,
11058 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
11059 _cleanup, _exit, __default_terminate, __terminate_func,
11060 __terminate, __empty, __throw, new_eh_context,
11061 eh_context_initialize, eh_context_static, eh_context_specific,
11062 get_eh_context, __get_eh_context, __get_eh_info,
11063 init_reg_size_table, eh_threads_initialize,
11064 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
11065 __unwinding_cleanup, throw_helper, __throw, __rethrow,
11066 __pure_virtual): Add prototype arguments.
11067 (__bb_exit_func): Cast a sizeof to long when comparing against one.
11068 Cast a signed value to unsigned long when comparing against one.
11069 (new_eh_context): Wrap in _GTHREADS macro.
11070 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
11072 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
11073 (throw_helper): Initialize variables `handler_p' and `pc_p'.
11075 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11077 * combine.c (record_promoted_value): Remove unused variable
11080 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
11082 * global.c (record_conflicts): Likewise for `j'.
11084 * genoutput.c (output_insn_data): Don't unnecessarily cast away
11087 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11089 * i386-protos.h (output_387_binary_op, output_fix_trunc,
11090 output_fp_compare): Constify a char*.
11092 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
11094 (override_options, ix86_comp_type_attributes, print_operand,
11095 output_387_binary_op, output_fix_trunc, output_fp_compare):
11097 (ix86_sched_reorder): Mark parameter `clock_var' with
11100 * i386.h (DEBUG_PRINT_REG): Constify a char*.
11102 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
11104 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
11105 operand, for use in the Java front-end.
11107 1999-12-10 Ben Collins <bcollins@debian.org>
11109 * configure.in: Fix typo for "-64" in 64bit as check.
11110 * configure: Rebuilt.
11112 1999-12-10 Jakub Jelinek <jakub@redhat.com>
11114 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
11117 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11119 * c-parse.in (string): With -Wtraditional, warn if ANSI string
11120 concatenation is utilized.
11122 * invoke.texi (-Wtraditional): Document it.
11124 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11126 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
11127 Cast a ptrdiff_t to long and pass it to printf with %ld.
11129 1999-12-10 Geoff Keating <geoffk@cygnus.com>
11131 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
11132 68881, we have no 68881 registers at all.
11133 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
11134 value in a 68881 register if it is available.
11136 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
11138 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
11139 for long long multiply-accumulate.
11141 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
11143 * loop.c (insert_loop_mem): Undo last change.
11145 1999-12-10 David S. Miller <davem@redhat.com>
11147 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
11149 * config/sparc/sparc-protos.h: Add them.
11150 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
11151 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
11152 constraints which use those helpers.
11153 (EXTRA_CONSTRAINT): Use this new macro.
11154 * md.texi: Update sparc target constraints documentation.
11155 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
11156 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
11157 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
11158 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
11159 (movsf high/lo_sum split): Rework for new patterns.
11160 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
11162 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
11164 * c-common.c (c_common_nodes_and_builtins):
11165 Create __builtin_ptrdiff_t and __builtin_size_t.
11167 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
11169 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
11171 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11173 * regclass.c (globalize_reg): Re-instate test that allows
11174 fixed registers to be declared as a variable even after functions
11177 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11179 * i386.md (cpu attribute): Add "athlon".
11180 (athlon_decode): New attribute.
11181 (Athlon scheduling units definitions): New.
11182 (fcmp and shld patterns): Set athlon_decode to "vector".
11183 * i386.c (athlon_cost): New.
11185 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
11186 x86_use_sahf): Set for Athlon.
11187 (x86_use_fiop): Unset for Athlon.
11188 (override_options): Define Athlon alignments and "athlon" name.
11189 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
11190 * i386.h (TARGET_ATHLON): New.
11191 (enum processor_type): Add PROCESSOR_ATHLON.
11192 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
11194 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
11196 1999-12-09 Andreas Jaeger <aj@suse.de>
11198 * loop.c (record_biv): Declare parameter as int.
11200 * config/i386/i386-protos.h: Declare long_memory_operand.
11202 1999-12-09 Mark Mitchell <mark@codesourcery.com>
11204 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
11205 EXPR_WITH_FILE_LOCATION.
11207 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11209 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
11212 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
11214 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
11217 1999-12-09 Jakub Jelinek <jakub@redhat.com>
11219 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
11220 default on linux64 again.
11221 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
11222 models for multilibing.
11223 * genmultilib: Accept | as alternative separator within a set in
11226 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
11228 * calls.c (precompute_arguments): Make sure initial_value contains
11229 value pseudo which CSE expects.
11230 * cse.c (struct set): New entry orig_src.
11231 (cse_insn): Set it early on entry, use it for libcall EQUIV note
11234 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
11236 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
11238 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
11240 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
11242 1999-12-08 Jakub Jelinek <jakub@redhat.com>
11244 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
11245 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
11247 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
11250 * longlong.h: Merge in changes from glibc.
11251 Also don't clobber %g2 register in 32bit SPARC assembly, so that
11252 -mno-app-regs libgcc can be compiled.
11253 * libgcc2.c: Add defines so that the updated longlong.h
11254 can be used in libgcc2.a. Also, make sure on most architectures
11255 (at least on all which have optimized code in longlong.h defined
11256 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
11258 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11260 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
11261 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
11262 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
11264 * configure: Rebuilt.
11266 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
11268 * alpha.c (secondary_reload_class): For !BWX, sub-simode
11269 outputs require a register.
11271 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
11273 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
11274 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
11275 functions like dptoul will be resolved.
11276 (libgcc2.a): Make sure that the object files from DPBIT are named
11277 differently (prefix `_dp') from those that would be coming from
11280 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
11282 * configure.in: When target is sparc* and tm_file contains 64,
11283 test for 64bit support in assembler. If not supported, remove
11284 sparc/t-sol2-64 from target-dependent Makefile fragments.
11285 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
11286 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
11287 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
11288 * acconfig.h (AS_SPARC64_FLAG): Added.
11289 * configure, config.in: Rebuilt.
11290 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
11291 support. Use AS_SPARC64_FLAG.
11293 1999-12-07 Jakub Jelinek <jakub@redhat.com>
11295 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
11296 suitable for holding OFmode values so that gcc works with complex
11298 (hard_64bit_mode_classes): Likewise.
11300 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
11301 so that it is actually matched.
11302 (sethi_di_medlow): Likewise.
11304 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
11305 as legitimate constant if -mvis.
11306 * config/sparc/sparc.md (movtf): Likewise.
11307 (clear_sf): Use const_double_operand.
11308 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
11310 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
11311 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
11312 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
11313 routines, _Qp_* cannot be handled like that now.
11314 (INIT_TARGET_OPTABS): Likewise.
11315 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
11316 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
11317 sparc_emit_float_lib_cmp if ARCH64 and soft float.
11318 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
11319 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
11320 divtf3, sqrttf3): New expanders.
11321 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
11322 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
11323 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
11326 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
11327 * configure: Rebuilt.
11328 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
11329 -mcpu is given and we're doing 64bit compiles.
11331 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
11333 * loop.h (struct induction): Add multi_insn_incr.
11334 * loop.c (basic_induction_var): New multi_insn_incr argument.
11335 Set it if we search back through previous insns for the biv.
11336 (record_biv): New multi_insn_incr argument; fill in struct induction.
11337 (strength_reduce): Discard an iv with multiple bivs, any of
11338 which require multiple insns to increment.
11340 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11342 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
11345 1999-12-06 David S. Miller <davem@redhat.com>
11347 * combine.c (check_promoted_subreg): Do not conditionalize this upon
11348 PROMOTE_FUNCTION_RETURN.
11350 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
11352 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
11353 and handle REG_UNUSED note on insn.
11355 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
11356 inner_mask instead of mask.
11358 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
11360 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
11361 zero if there was an error.
11363 1999-12-06 Jakub Jelinek <jakub@redhat.com>
11365 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
11368 * longlong.h: Fix clobbers in SPARC asm statements.
11370 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
11371 valid sethi operations when TARGET_ARCH64.
11373 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
11374 always use move_by_pieces to avoid infinite recursion.
11375 (restore_fixed_argument_area): Likewise.
11377 * combine.c (check_promoted_subreg, record_promoted_value): New
11379 (combine_instructions): Use them to retain nonzero and sign bit
11380 information after SUBREGs are eliminated by optimizations in
11381 this pass if PROMOTE_FUNCTION_RETURN.
11383 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
11384 .register declaration. Don't use variables with __ prefixes.
11386 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11388 * fold-const.c (optimize_bit_field_compare): Only use one mode
11389 for both RHS and LHS in non-constant case.
11391 1999-12-06 Nathan Sidwell <nathan@acm.org>
11393 * frame.c (start_fde_sort): Only allocate erratic array, if
11394 linear one was allocated. Return allocated flag.
11395 (fde_insert): Only insert, if there's a valid array.
11396 (fde_end_sort): Split, sort and merge if linear and erratic
11397 arrays exist, else just sort linear one.
11398 (search_fdes): New function. Linear search through original fde
11400 (frame_init): Permit multiple initializations. Cope with
11402 (find_fde): Fallback on linear search, if failed to sort array.
11403 (__deregister_frame_info): Only free sorted array, if we
11406 1999-12-06 Jakub Jelinek <jakub@redhat.com>
11408 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
11410 1999-12-05 Jakub Jelinek <jakub@redhat.com>
11412 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
11414 1999-12-05 Mark Mitchell <mark@codesourcery.com>
11416 * tree.h (special_function_p): Declare.
11417 * calls.c (special_function_p): Make it global. Don't take `name'
11418 as a parameter. Fix typo in 1999-11-28 change.
11419 (expand_cal): Adjust.
11421 1999-12-04 Mark Mitchell <mark@codesourcery.com>
11423 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
11424 * tree.h (EXPR_WFL_FILENAME): Define in terms of
11425 EXPR_WFL_FILENAME_NODE.
11426 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
11428 * print-tree.c (print_note): Print TREE_PRIVATE and
11431 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
11432 the original die cannot be found.
11434 * varray.h (varray_head_tag): Add elements_used.
11435 (VARRAY_PUSH): New macro.
11436 (VARRAY_POP): Likewise.
11437 (VARRAY_TOP): Likewise.
11438 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
11440 * varray.c (varray_init): Initialize elements_used.
11441 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
11442 (INTEGRATE_H): New variable.
11443 (integrate.o): Depend on INTEGRATE_H.
11444 (unroll.o): Likewise.
11446 * function.h (insert_block_after_note): Declare.
11447 * function.c (insert_block_after_note): Split out from ...
11448 (retrofit_block): ... here.
11450 * stmt.c (expand_fixup): Fix typo in comment.
11452 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11454 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
11455 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
11456 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
11457 (regmove_optimize, fixup_match_1): Likewise.
11459 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11461 * flow.c (flow_loops_dump): Add missing argument when calling
11462 flow_loop_nested_p.
11464 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
11465 Greg McGary <gkm@gnu.org>
11467 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
11468 (init_attributes): Add A_NO_LIMIT_STACK.
11469 (decl_attributes): Handle A_NO_LIMIT_STACK.
11470 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
11471 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
11472 Handle stack bounds checking.
11473 * flags.h (flag_stack_check): Use the word 'probe' rather than
11474 'check', because the flag doesn't actually cause any checking to
11476 * function.c (expand_function_start): Set
11477 current_function_limit_stack.
11478 * function.h (struct function): Add limit_stack.
11479 (current_function_limit_stack): Define.
11480 * invoke.texi (Code Gen Options): Document new options.
11481 * rtl.h: Declare stack_limit_rtx.
11482 * toplev.c (stack_limit_rtx): New variable.
11483 (decode_f_option): Handle new options -fstack-limit-register=REG,
11484 -fstack-limit-symbol=IDENT, -fno-stack-limit.
11485 (main): Add stack_limit_rtx as GC root.
11486 * tree.h (DECL_NO_LIMIT_STACK): New macro.
11487 (struct tree_decl): New member no_limit_stack.
11489 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
11491 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
11492 (conditional_trap+1): Get new mnemonic correct.
11493 (conditional_trap+2): New pattern for DImode traps.
11495 * config/m68k/m68k.c (output_function_prologue): Handle
11497 * config/m68k/m68k.md (trap): New insn.
11498 (conditional_trap): New insn.
11499 * md.texi (Standard Names): Document `trap' and
11500 `conditional_trap'.
11501 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
11502 so a cc0 setter doesn't get emitted at some random place in the
11505 * config/i960/i960.md (trap): New insn.
11506 (conditional_trap): New expander.
11507 (conditional_trap+1, conditional_trap+2): New insns for signed
11508 and unsigned cases.
11509 * config/i960/i960.c (i960_function_prologue): Use
11510 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
11512 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
11513 Geoffrey Keating <geoffk@cygnus.com>
11515 * flags.h (warn_padded, warn_packed): Add global var decls.
11516 * toplev.c (warn_padded, warn_packed): Add global var defns.
11517 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
11518 * stor-layout.c (layout_record): Add local variable `type'
11519 to hold often-used TREE_TYPE (field). Add local variable
11520 `unpacked_align' to hold alignment that would be in force
11521 if no `packed' attribute were present. Warn if `packed' attribute
11522 is unnecessary, or even harmful. Warn when gcc inserts padding
11523 to satisfy alignment requirements of members. Use NULL_TREE
11524 when checking whether var_size is set.
11525 * invoke.texi: Document new flags.
11527 1999-12-03 Nathan Sidwell <nathan@acm.org>
11529 * frame.c (fde_split): Reimplement to avoid variable sized array.
11531 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11533 * combine.c (try_combine): Before fixing up LOG_LINKS for the
11534 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
11536 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
11538 * invoke.texi: Document the mips option -mno-crt0
11540 1999-12-02 Mike Karr <mkarr@mathworks.com>
11542 * cccp.c (argdata): Added free_ptr member.
11543 (macroexpand): Initialize free_ptr of each argument. When an
11544 argument's buffers are freed, if the argument's free_ptr corresponds
11545 to a buffer on the input stack, then return the free_ptr to that stack
11546 frame, otherwise, free it.
11547 (macarg): If an argument begins and ends on the same input stack level,
11548 then transfer the free_ptr of that buffer to the argument in case
11549 the stack is popped during the processing of a subsequent argument.
11551 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
11553 * loop.c (note_reg_stored): New function.
11554 (struct note_reg_stored_arg): New structure.
11555 (try_copy_prop): Change to be more conservative; only replace within
11556 one extended basic block and stop replacing if a store to the
11557 replacement reg is seen.
11559 1999-12-02 Nick Clifton <nickc@cygnus.com>
11561 * config/fp-bit.c: Initialise all fields of the NAN
11564 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
11567 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
11569 * i386.md (extend?f?f2): Force the input into a register, not
11572 1999-12-01 Jakub Jelinek <jakub@redhat.com>
11574 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
11576 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
11577 alternative because setting up 64bit constant is usually costly,
11578 especially when reload is in progress or completed.
11579 (movdf_const_intreg_sp64): Likewise.
11580 (movdf_const_intreg split): Fix building up constants when
11581 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
11583 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
11585 * combine.c (if_then_else_cond): Use const_true_rtx instead of
11586 const1_rtx for return values in EQ/NE comparison against (const_int 0)
11589 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
11590 (asm_file_start): Emit .am33 into assembly file when compiling for
11592 (print_operand_address): Handle POST_INC addresses.
11593 (can_use_return_insn, initial_offset): Check AM33 registers too.
11594 (expand_prologue): Check & save AM33 registers too.
11595 (expand_epilogue): Similarly.
11596 (secondary_reload_class): Handle AM33 specific secondary reloads.
11597 (output_tst): Emit efficient code for the AM33 too.
11598 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
11599 (TARGET_SWITCHES): Add -mam33 switch.
11600 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
11601 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
11602 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
11603 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
11604 (enum reg_class, REG_CLASS_NAMES): Likewise.
11605 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
11606 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
11607 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
11608 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
11609 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
11610 (HAVE_POST_INCREMENT): Define.
11611 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
11612 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
11613 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
11614 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
11615 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
11616 (zero_extend to SI from QI/HI): Likewise.
11617 (sign_extend to SI from QI/HI): Likewise.
11618 (mulsidi3, umulsidi3): New patterns for the AM33.
11619 (tstsi with zero extension from QI/HI): Add AM33 variants.
11620 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
11621 (return_internal_regs, store_movm): Handle new AM33 registers.
11622 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
11623 (LIBGCC, INSTALL_LIBGCC): Likewise.
11624 * invoke.texi: Document new flags.
11626 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
11628 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
11629 (addsi3_carry): Likewise.
11630 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
11631 (sbbsi3_carry): Likewise.
11632 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
11633 (mulhi3): Likewise.
11634 (test?i_1): Ensure that only one operand is memory.
11635 (conditional move patterns): likewise.
11636 (shift and rotate patterns): Rewrite to expander, add
11637 "binary_operator_ok" to the condition.
11639 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
11640 * i386.h (procesor_costs): Add movzbl_load field.
11641 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
11642 non-Q registers, accept DImode registers anywhere.
11644 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
11645 * i386.c (*_cost): Set value for movxbl_load field.
11647 * (addsi): New add to lea splitter.
11648 (ashlsi): Likewise.
11649 (lea to add/shift peep2): New.
11651 1999-12-01 Mark Salter <msalter@cygnus.com>
11653 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
11654 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
11655 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
11657 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11659 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
11660 * i386.md (movsi_xor): New.
11662 (movsi_1, movhi_1, movqi_1): Remove.
11663 (movsi_2): Rename to movsi_1.
11664 (movhi_2): Rename to movhi_1.
11665 (movqi_2): Rename to movqi_1.
11666 (movdi_1): Remove; remove splitter.
11667 (movdi_2): Rename to movdi_1.
11668 (divmodsi4 splitter): Do not emit clobbers for move patterns.
11669 (long move peep2): Do not create QI or HI mode mov0s
11670 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
11672 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
11675 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
11676 (abs?f2_if): Likewise.
11678 1999-11-30 Alex Samuel <samuel@codesourcery.com>
11680 * ggc.h (ggc_test_and_set_mark): New macro.
11681 (ggc_mark_rtx): Use ggc_test_and_set_mark.
11682 (ggc_mark_tree): Likewise.
11683 (ggc_mark_rtvec): Likewise.
11684 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
11686 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
11688 * dwarf2out.c (scope_die_for): Only handle types. Only search for
11690 (decl_scope_table): Just an array of trees now.
11691 (push_decl_scope): Simplify.
11692 (dwarf2out_init): Adjust.
11693 (local_scope_p): New fn.
11694 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
11695 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
11696 (gen_typedef_die): Likewise.
11697 (gen_lexical_block_die): Don't call push/pop_decl_scope.
11698 (gen_inlined_subroutine_die): Likewise.
11699 (gen_abstract_function): Set current_function_decl temporarily.
11700 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
11701 Handle block extern declarations. Don't call push/pop_decl_scope.
11702 (gen_decl_die): Fix logic for block externs.
11704 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11706 * calls.c (special_function_p): Remove `realloc' and add `strdup'
11707 to the list of functions which have attribute malloc by default.
11709 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11711 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
11712 integer constant does not match the traditional type, limit the
11713 warnings to cases where the base of the type is ten.
11715 * invoke.texi (-Wtraditional): Document it.
11717 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11719 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
11720 * rs6000.md: Only access a CONST_INT with INTVAL
11722 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
11724 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
11725 (compute_nearerout): Likewise.
11726 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
11727 size_t to unsigned long for formatting.
11729 1999-11-30 Jakub Jelinek <jakub@redhat.com>
11731 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
11732 Allow the user to override call-used/fixed state of %g2-5
11733 registers from the command line (with the exception of %g4 for
11735 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
11736 there is a higher chance of having a leaf function.
11737 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
11738 for ARCH64 which has %ccr register.
11739 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
11741 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
11742 insn accept into delay slot any insn which does not use %[ol]
11743 registers. Accept some LO_SUM and shift left by 1 for the normal
11745 (output_function_epilogue): Likewise.
11746 (epilogue_renumber): Added argument which inhibits any renumbering
11747 and just tests if the rtx does not use any %[ol] registers.
11748 (output_return): Reflect above change.
11750 1999-11-30 Jakub Jelinek <jakub@redhat.com>
11752 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
11753 aggregate passing for sizes <= 16 bytes.
11755 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
11757 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
11758 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
11759 * reload.c (find_dummy_reload): Likewise.
11760 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
11761 * reload1.c (reload_as_needed): Likewise.
11762 * stupid.c (stupid_find_reg): Likewise.
11763 * tm.texi (Obsolete Register Macros): Delete section.
11764 * gmicro.h: Remove all traces of the two macros.
11765 * i386.h: Likewise.
11766 * m88k.h: Likewise.
11767 * mips.h: Likewise.
11769 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
11771 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
11772 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
11773 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
11774 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
11775 units for the sparclite86x chip.
11776 (flush): Revert October 14th change; add SImode specifically.
11777 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
11778 * invoke.texi: Document it.
11780 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
11782 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
11783 psimode_truncation_operand.
11785 * config/mn10200/mn10200.c (psimode_truncation_operand): New
11786 function. Return true if the operand is either a MEM valid
11787 for a PSImode address or not a MEM at all.
11789 * config/mn10200/mn10200.md (truncsipsi2): Use
11790 psimode_truncation_operand.
11792 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11794 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
11795 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
11796 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
11797 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
11798 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
11799 (flow_loop_level_compute, low_loops_level_compute): Likewise.
11800 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
11801 * basic-block.h: Protect from multiple inclusion.
11802 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
11803 (struct loops, struct loop): Define structures.
11804 * sbitmap.c (sbitmap_a_subset_b_p): New function.
11805 * sbitmap.h: Protect from multiple inclusion.
11806 (sbitmap_a_subset_b_p): Add prototype.
11807 * Makefile.in (LOOP_H): New macro.
11808 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
11810 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
11812 * cppinit.c (CAT): The argument list of this macro may not contain
11815 1999-11-29 David S. Miller <davem@redhat.com>
11817 Move quantity tables and register equivalence chains into
11818 per-qty and per-register structure arrays respectively.
11819 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
11820 qty_const_insn, qty_comparison_code, qty_comparison_const,
11821 qty_comparison_qty): Delete, replace with...
11822 (qty_table): this structure table.
11823 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
11824 (reg_eqv_table): this structure table.
11825 (make_new_qty): Add argument MODE. Caller updated.
11826 Update to use qty_table and reg_eqv_table.
11827 (make_regs_eqv, delete_reg_equiv, insert_regs,
11828 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
11829 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
11830 cse_process_notes, cse_main, cse_basic_block): Likewise.
11832 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11834 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
11835 operation if C is negative.
11836 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
11837 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
11838 law for some divisions if constant is negative and change other
11839 divisions to the opposite rounding.
11841 * expr.c (store_constructor_field): If bit position is not multiple
11842 of alignment of TARGET's mode, use BLKmode.
11844 * expr.c (expand_expr_unaligned): Add more code from full case
11845 that is needed when OP0 is in a register.
11847 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11849 * dwarfout.c (field_byte_offset): Size can be zero if there was
11852 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
11854 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
11855 (associate_trees): Delete unused var TEM.
11856 (extract_muldiv): Delete unused var CANCEL_P.
11858 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
11859 (target_isinf, target_isnan, target_negative): Add return types to
11860 function definitions.
11862 1999-11-29 Bruce Korb <autogen@linuxbox.com>
11864 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
11865 * fixinc/hackshell.tpl: ditto
11866 * fixinc/fixtests.c(double_slash_test): more C++ header testing
11867 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
11869 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
11871 * reload.c (push_reload): When looking for a register to put into
11872 reg_rtx, make sure all hard regs in a multi-reg register are in the
11873 right class and nonfixed.
11875 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
11876 pending_read_insns, pending_write_insns, pending_read_mems,
11877 pending_write_mems, pending_list_length, last_pending_memory_flush,
11878 last_function_call, sched_before_next_call): Move static variables
11880 (bb_ prefixed versions): Replace with single array bb_deps.
11881 (struct deps): New structure.
11882 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
11883 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
11884 argument of type "struct deps *"; use that instead of global
11885 variables. All callers changed.
11886 (init_rgn_data_dependencies): Delete function.
11887 (init_rtx_vector): Delete function.
11888 (init_deps): New function.
11890 (free_pending_lists): Simplify, we always use the bb_deps array even
11891 if only one basic block.
11892 (compute_block_backward_dependences): Likewise.
11893 (schedule_region): Likewise.
11895 (propagate_deps): New function, broken out of
11896 compute_block_backward_dependences.
11897 (compute_block_backward_dependences): Use it.
11899 * alpha.md: Delete useless patterns that tried to work around
11900 register elimination problems.
11902 * unroll.c (loop_iterations): Don't abort if iteration variable
11905 From Joern Rennecke:
11906 * reload1.c (reloads_conflict): Reverse test comparing operand
11907 numbers when testing for conflict between output/outaddr reloads.
11909 1999-11-29 David S. Miller <davem@redhat.com>
11911 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
11913 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
11915 1999-11-28 Robert Lipe <robertl@cygnus.com>
11917 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
11918 table from .fini into .dtor.
11920 1999-11-28 Anthony Green <green@cygnus.com>
11922 * tree.h (struct tree_decl): Add malloc_flag.
11923 (DECL_IS_MALLOC): Define.
11924 * c-common.c (attrs): Add A_MALLOC attribute.
11925 (init_attributes): Add this attribute to the table.
11926 (decl_attributes): Handle malloc attribute.
11927 * calls.c (special_function_p): Check for the malloc attribute.
11928 * extend.texi (Function Attributes): Document malloc attribute.
11930 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
11932 * pa.md (reload shift-add patterns): Remove.
11934 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11936 * reorg.c (dbr_schedule) Print more statistics. Corrected
11937 problem when printing info when 3 delay slots are filled.
11939 1999-11-28 Jakub Jelinek <jakub@redhat.com>
11941 * combine.c (setup_incoming_promotions): Pass an outgoing
11942 regno to FUNCTION_ARG_REGNO_P which it expects.
11944 1999-11-28 Andreas Jaeger <aj@suse.de>
11946 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
11948 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
11950 * cccp.c (do_include): Avoid initialization of automatic variable.
11952 * integrate.c (mark_stores): Function definition made void, to match
11953 previous declaration.
11954 * regclass.c (dump_regclass): Ditto.
11955 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
11957 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11959 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
11960 known to be multiple of divisor.
11962 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
11964 * combine.c (try_combine): Add code to try to merge a set of a
11965 two-word pseudo to a constant with a setting of one of those words
11968 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
11969 (split_tree): Completely rework to make more general.
11970 (make_range, fold): Call negate_expr.
11971 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
11972 (fold, associate): Call new split_tree and associate_trees.
11973 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
11975 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
11977 * loop.c (try_copy_prop): Avoid GNU C extension.
11979 1999-11-25 Mark Mitchell <mark@codesourcery.com>
11981 * except.c (init_eh_for_function): Still zero eh_return_context,
11982 eh_return_stack_adjust, and eh_return_handler.
11984 * except.h (eh_status): Adjust documentation for x_protect_list.
11985 (begin_protect_partials): New function.
11986 * except.c (enqueue_eh_entry): Fix formatting.
11987 (get_first_handler): Add consistency check.
11988 (add_partial_entry): Adjust usage of protect_list.
11989 (emit_cleanup_handler): Save and restore ehqueue.
11990 (expand_start_all_catch): Add comment.
11991 (begin_protect_partials): New function.
11992 (end_protect_partials): Adjust usage of protect_list.
11993 (init_eh_for_function): Use xcalloc.
11995 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11997 * c-common.c (check_format_info): Don't call a variadic function
11998 with a non-literal format string.
12000 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
12002 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
12003 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
12006 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
12009 * collect2.c (collect_wait): Likewise.
12011 * dbxout.c (dbxout_type): Likewise.
12013 * gcc.c (do_spec_1): Likewise.
12015 * genemit.c (gen_insn, gen_expand): Likewise.
12017 * genrecog.c (write_switch, write_subroutine): Likewise.
12019 * mips-tfile.c (catch_signal, botch): Likewise.
12021 * print-rtl.c (print_rtx): Likewise.
12023 * toplev.c (default_print_error_function, report_error_function,
12024 _fatal_insn): Likewise.
12026 1999-11-25 Mark Mitchell <mark@codesourcery.com>
12028 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
12030 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12032 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
12033 operations when needed.
12034 * i386.md (fop_?f_comm): New.
12035 (fop_?f_1): Do not accept commutative operands.
12037 1999-11-25 Andreas Jaeger <aj@suse.de>
12039 * config/mips/mips.md (casesi_internal): Add missing brace.
12041 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
12043 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
12044 (splice_child_die): Handle moving a child DIE from the declaration
12045 DIE of a class to its specification.
12046 (gen_struct_or_union_type_die): Use 'complete' consistently.
12047 (gen_decl_die): Generate the virtual context DIE first.
12048 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
12050 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
12052 * config/mips/mips.md (call_value_multiple_interanal1): New.
12054 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
12056 * dwarf2out.c (free_AT, free_die): New fns.
12057 (remove_children): Call them.
12058 (output_line_info): Disable removal of duplicate notes.
12060 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
12061 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
12062 means pretend the type isn't defined.
12063 Don't defer emitting types.
12064 (gen_type_die_for_member): New fn.
12065 (gen_decl_die): Call it.
12066 (splice_child_die): New fn.
12067 (gen_member_die): Call it rather than generate duplicate dies.
12069 Defer emitting information for the abstract instance of an inline
12070 until we either inline it or emit an out-of-line copy.
12071 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
12072 from output_inline_function if DECL_ABSTRACT is also set.
12073 (block_ultimate_origin): Likewise.
12074 (gen_abstract_function): New fn.
12075 (gen_decl_die, gen_inlined_subroutine_die): Call it.
12076 (gen_subprogram_die): An abstract instance is not a declaration
12077 just because it doesn't match current_function_decl. Don't abort
12078 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
12079 has an abstract origin.
12080 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
12081 abstract instance here.
12083 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
12085 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
12086 where we need to reload fpul from a system register.
12088 1999-11-24 Andreas Jaeger <aj@suse.de>
12090 * config/mips/linux.h (CPP_PREDEFINES): Added.
12091 (LINK_SPEC): Remove -Y since this is only needed on sparc.
12093 1999-11-24 Andreas Jaeger <aj@suse.de>
12095 * config/mips/linux.h (TARGET_VERSION): Added.
12096 (HANDLE_SYSV_PRAGMA): Added.
12097 (DEFAULT_VTABLE_THUNKS): Added.
12099 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12101 * local-alloc.c (qty): New structure and static variable.
12102 (qty_phys_reg): Remove, all references changed to qty.
12103 (qty_n_refs): Likewise.
12104 (qty_min_class): Likewise.
12105 (qty_birth): Likewise.
12106 (qty_death): Likewise.
12107 (qty_size): Likewise.
12108 (qty_mode): Likewise.
12109 (qty_n_calls_crossed): Likewise.
12110 (qty_alternate_class): Likewise.
12111 (qty_changes_size): Likewise.
12112 (qty_first_reg): Likewise.
12113 (alloc_qty): Rename variable QTY to QTYNO.
12114 (finf_free_reg): Likewise.
12115 (local_alloc): Allocate qty, do not allocate the removed variables.
12117 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
12119 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
12120 when -membedded-pic is passed.
12122 * config/mips/mips.md (casesi): Handle 64-bit case too.
12123 (casesi_internal_di): New insn.
12125 * config/mips/mips.c (embedded_pic_offset): Always make the
12126 embedded-pic subtractions relative to the name of the current
12127 function by use of the magic string "..CURRENT_FUNCTION".
12128 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
12130 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
12132 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
12133 of (const_int 0), when what we really care about is
12134 whether it's a zero constant anyway.
12135 (div_trap_mips16): Likewise.
12137 1999-11-23 Mark Mitchell <mark@codesourcery.com>
12139 * loop.c (loop_optimize): Always find_loop_tree_blocks and
12140 unroll_block_trees when generating debuggable code.
12142 * tree.h (unsave_expr_1): New function.
12143 (lang_unsave): New variable.
12144 (get_callee_fndecl): New function.
12145 * tree.c (unsave_expr_now_r): New function.
12146 (lang_unsave): Define.
12147 (unsave_expr_1): Likewise.
12148 (unsave_expr_now_r): Split out from unsave_expr_now.
12149 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
12150 call unsave_expr_now_r.
12151 (get_callee_fndecl): Define.
12153 * Makefile.in (gencheck): Don't depend on lang_tree_files.
12154 (gencheck.o): Do depend on lang_tree_files.
12156 * integrate.h (copy_decl_for_inlining): New declaration.
12157 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
12158 (copy_decl_for_inlining): New function.
12159 (integrate_parm_decls): Use it.
12160 (integrate_decl_tree): Likewise.
12162 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
12164 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
12165 the second two from the first.
12166 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
12167 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
12168 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
12170 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
12171 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
12174 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
12176 * pa.md (call_internal_symref, call_value_internal_symref): No mode
12177 needed on the address operand.
12178 * pa.c (call_operand_address): Check for the correct mode.
12180 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
12182 * loop.c: Include "basic-block.h".
12183 (try_copy_prop, replace_loop_reg): New functions.
12184 (load_mems): Detect registers that just hold copies of the hoisted
12185 mem, and call try_copy_prop to eliminate them.
12186 * Makefile.in (loop.o): Update dependencies.
12188 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
12190 * Makefile.in (gencheck.o): Depend on gencheck.h.
12191 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
12192 (insn-peep.o): Depend on except.h and function.h.
12193 (insn-attrtab.o): Depend on RECOG_H.
12194 (insn-output.o): Depend on toplev.h and flags.h.
12195 (gengenrtl.o): Depend on real.h.
12196 (gen-protos.o): Depend on cpplib.h and cpphash.h.
12197 Unify all dependencies to be on RECOG_H rather than recog.h.
12199 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12201 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
12202 * configure.in: Try building a bi-arch 32/64-bit compiler on
12203 sparc-*-solaris2.7 and higher.
12204 * configure: Rebuild.
12206 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
12208 * config/freebsd.h: New, FreeBSD architecture independent file.
12209 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
12210 independent pieces.
12211 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
12212 directly by i386/freebsd.h.
12213 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
12214 independent configuration file.
12215 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
12216 directly by i386/freebsd.h.
12217 * configure: Rebuilt.
12219 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
12220 which is in the user's namespace.
12221 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
12222 `i386' which is not in our namespace.
12224 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
12226 * invoke.texi (ARM Options): Add in -mno-alignment-traps
12228 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
12230 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
12231 (add_dwarf_attr, add_child_die): Just push onto the front.
12232 (reverse_die_lists): New fn.
12233 (add_sibling_attributes): Use it.
12234 (push_decl_scope): Reorganize.
12235 (add_name_and_src_coords_attributes): Don't set file and line for
12236 an artificial decl.
12237 (gen_subprogram_die): An artificial function doesn't need to match
12239 (gen_compile_unit_die): Return the generated die. Only add
12240 AT_comp_dir if the filename is relative.
12241 (remove_AT): Simplify loop. Also free string values.
12242 (output_die): A DIE ref can't be null.
12243 (output_value_format, value_format): Take a dw_attr_ref.
12244 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
12245 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12246 AT_addr, AT_lbl): New fns.
12247 (various): Use them.
12248 (various): Constify.
12250 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12252 * combine.c (combine_simplify_rtx): When handling a SUBREG,
12253 take SUBREG_WORD into account.
12254 (if_then_else_cond): Likewise.
12256 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
12258 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
12259 clause from BSD license, pursuant with
12261 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
12263 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
12265 * loop.c (load_mems): Reformat slightly.
12266 * basic-block.h (regset_head): New typedef.
12267 (INIT_REG_SET): New macro.
12269 1999-11-22 Bruce Korb <autogen@linuxbox.com
12271 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
12272 (mips-dec-bsd*): non-functional code
12273 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
12275 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
12276 added three replacement fixes
12277 (no_double_slash): removed comments that are not (any longer) pertinent
12278 (bad_lval): this fix currently runs against many files.
12279 The comment seems to indicate that we should select for files
12280 containing 'pragma extern_prefix'.
12282 * fixinc/fixinc.x86-linux-gnu: deleted
12283 * fixinc/inclhack.sh: regen
12284 * fixinc/fixincl.x: regen
12285 * fixinc/fixincl.sh: regen
12287 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
12289 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
12290 its code is INSN and it has no notes.
12292 1999-11-22 Andrew Haley <aph@cygnus.com>
12294 * varasm.c (function_defined): Remove.
12295 (make_function_rtl): Don't set function_defined.
12296 (make_decl_rtl): Remove global register warning.
12297 * regclass.c (no_global_reg_vars): New variable.
12298 (globalize_reg): Warn if function has already been defined.
12299 (regclass_init): Set no_global_reg_vars.
12301 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12303 * regclass.c (reg_pref): New structure and static variable
12304 (prefclass): Delete.
12305 (altclass): Delete.
12306 (all uses of prefclass and altclass): Use reg_pref instead.
12308 1999-11-21 Nick Clifton <nickc@cygnus.com>
12310 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
12312 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
12313 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
12314 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
12316 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
12318 * varasm.c (output_constructor): Solve problem with long long
12319 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
12321 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12323 * global.c (allocno): New structure and static variable.
12324 (allocno_reg): Remove, all references replaced by allocno.
12325 (allocno_size): Likewise.
12326 (hard_reg_conflicts): Likewise.
12327 (hard_reg_preferences): Likewise.
12328 (hard_reg_copy_preferences): Likewise.
12329 (hard_reg_full_preferences): Likewise.
12330 (regs_someone_prefers): Likewise.
12331 (allocno_calls_crossed): Likewise.
12332 (allocno_n_refs): Likewise.
12333 (allocno_live_length): Likewise.
12334 (find_reg): Rename ALLOCNO to NUM.
12336 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
12337 references updated.
12338 (may_move_out_cost): New variable.
12339 (init_reg_sets_1): Initialize may_move_out_cost.
12340 (record_reg_classes): Use may_move_out_cost.
12342 * regclass.c (dump_regclass): New function.
12343 (regclass): New parameter DUMP, call DUMP_REGCLASS.
12344 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
12345 pass rtl_dump_file to regclass.
12346 * rtl.h (regclass): Update prototype.
12348 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12350 * i386.md (neg, not and abs patterns): Revmap to use
12351 ix86_expand_unary_operator and ix86_unary_operator_ok.
12352 (add?f and sub?f expanders): Force operand 1 to register.
12353 * i386.c (ix86_expand_unary_operator): Rewrite.
12354 (ix86_unary_operator_ok): Ensure that memory operands
12356 (ix86_binary_operator_ok): Do not allow operand 1 to
12357 come into memory and operand 0 not.
12358 (ix86_expand_binary_operator): Ensure that
12359 src1 is not non-matching memory.
12361 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
12362 to support integer registers and memory.
12363 (abss?2_integer): Likewise.
12365 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
12366 (REG_CLASS_NAMES): Likewise.
12367 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
12369 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
12370 (movsf): Likewise; unify 4th and 5th alternative.
12371 (pushdf): Likewise.
12372 (movdf_1): Likewise; rename to movdf_integer.
12373 (pushxf): Likewise; rename to pushxf_integer; fix output template;
12374 remove redundant splitter.
12375 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
12376 (movdf_nointeger): New.
12377 (movxf_nointeger): New.
12378 (pushxf_nointeger): New.
12380 * i386.md (extend?f?f): Split to expander and pattern, refuse two
12381 memory operands in patterns.
12382 (fop*): Refuse two memory operands.
12384 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
12385 on !TARGET_USE_CLTD CPUs.
12387 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
12389 * extend.texi: Document C++ restricted pointers and references.
12391 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
12393 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
12394 (invalidate_skipped_set): Call it unconditionally.
12395 (cse_set_around_loop): Likewise.
12397 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12399 * rtl.texi (mem): Add documentation for alias-set argument
12402 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12404 * i386.h (struct_processor_costs): New fields int_load, int_store,
12405 fp_move, fp_load and fp_store
12406 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
12408 (MEMORY_MOVE_COST): New macro.
12409 * i386.c (386_cost): Define new fields.
12410 (i486_cost): Likewise.
12411 (pentium_cost): Likewise.
12412 (pentiumpro_cost): Likewise.
12413 (k6_cost): Likewise.
12415 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
12416 Geoffrey Keating <geoffk@cygnus.com>
12418 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
12420 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
12423 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
12424 (TARGET_STRICT_ALIGNMENT): New macro.
12425 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
12426 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
12427 * invoke.texi (M680x0 Options): Document -mstrict-align.
12429 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
12430 Richard Henderson <rth@cygnus.com>
12432 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
12433 (ix86_split_long_move): Declare.
12434 * i386.c (split_xf, ix86_split_movdi): Remove.
12435 (ix86_split_to_parts, ix86_split_long_move): New.
12436 * i386.md (dimode move splitters): Use ix86_split_long_move.
12437 (dfmode move splitters): Likewise.
12438 (xfmode move splitters): Likewise.
12439 (movsf_1): Allow F->r.
12440 (movdf_1, movxf_1): Allow F->ro.
12442 1999-11-17 Mark Mitchell <mark@codesourcery.com>
12444 * except.h (struct eh_entry): Add goto_entry_p.
12445 (eh_region_from_symbol): Remove prototype.
12446 * except.c (find_func_region_from_symbol): New function.
12447 (emit_cleanup_handler): Likewise.
12448 (eh_region_from_symbol): Make it static.
12449 (add_new_handler): Verify the argument.
12450 (find_func_region): Update comment.
12451 (expand_eh_region_end): Expand handlers here, rater than waiting
12452 until expand_leftover_cleanups or start_all_catch.
12453 (expand_leftover_cleanups): Don't expand here.
12454 (expand_start_all_catch): Or here.
12455 (expand_rethrow): Check the return value from find_func_region.
12456 * function.c (expand_function_end): Emit the catch_clauses.
12458 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
12460 * integrate.c (expand_inline_function): Add necessary check for NULL.
12462 1999-11-18 Nick Clifton <nickc@cygnus.com>
12464 * toplev.c (main): Correctly detect an unrecognised option.
12466 * cppinit.c (cpp_handle_option): Do not claim to have consumed
12467 a -f option if it has not been recognised.
12469 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
12471 * basic-block.h (update_life_extent): Remove trailing comma on
12472 enumeration type list.
12474 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12476 * varasm.c (output_constructor) Solved problem with long long
12477 bitfields. Corrected calculating this_time and shift. Also
12478 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
12480 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
12482 * flow.c (split_edge): Take looping structure into account when
12483 determining where to put the new block note.
12485 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
12487 * Makefile.in (ggc-none.o): Provide host specific version if
12490 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
12492 * cse.c (delete_trivially_dead_insns): Identify no-op insns
12493 containing subregs too.
12495 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12497 * invoke.texi: Add documentation for -muninit-const-in-rodata.
12498 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
12499 (TARGET_UNINIT_CONST_IN_RODATA): Define.
12500 (text_section): Add switches -munint-const-in-rodata and
12501 -mno-uninit-const-in-rodata.
12502 (ASM_OUTPUT_COMMON): Remove.
12503 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
12504 const objects should be placed in read-only data. Otherwise declare
12507 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
12509 * jump.c (jump_optimize_1): Revert last change.
12511 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
12513 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
12514 test if optimizing for size.
12516 1999-11-17 Mark Mitchell <mark@codesourcery.com>
12518 * Makefile.in (toplev.o): Depend on except.h.
12519 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
12521 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12523 * i386.md (divmodsi4): Rewrite to expander.
12524 (*divmodsi4_nocltd): New.
12525 (*divmodsi4_cltd): New.
12526 (divmodsi4 splitter): Handle the case when input comes in edx.
12527 (udivmodhi4): Do not use constraints in exander.
12528 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
12530 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
12532 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
12533 for the common case.
12535 1999-11-16 Jakub Jelinek <jakub@redhat.com>
12537 * explow.c (hard_function_value): Add outgoing argument.
12538 * expr.h (hard_function_value): Declare it.
12539 * calls.c (expand_call, emit_library_call_value): Update callers.
12540 * function.c (aggregate_value_p): Ditto.
12541 (diddle_return_value): Must look at the outgoing registers
12542 on archs with register windows.
12544 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
12546 * alpha.c (alpha_build_va_list): Use make_lang_type and
12547 initialize TYPE_NAME for the va_list record.
12549 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
12551 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
12553 * ggc.h (struct ggc_statistics): Rearrange elements for better
12554 packing on 64-bit hosts.
12555 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
12556 (compute_nearerout): Likewise.
12558 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
12560 * config/rs6000/rs6000.c (first_reg_to_save): Save
12561 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
12563 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
12565 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
12566 notion of nesting to find the DIE for a type or function.
12567 DIEs can go in limbo even if we got a context_die.
12568 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
12569 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
12571 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
12572 (gen_type_die): Writing out the context doesn't cause member class
12573 template instantiations to be written out as well.
12575 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
12577 * rs6000.h (ASM_OUTPUT_DEF): New.
12578 Based on proposed addition from David Edelsohn.
12580 1999-11-15 Robert Lipe <RobertLipe@usa.net>
12581 Bruce Korb <autogen@linuxbox.com>
12583 * fixinc/inclhack.def
12584 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
12585 (unixware7_byteorder_fix): added. Removes conflicts for new defs
12587 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
12588 (svr4_endian): enabled with SVR5
12589 (svr4_mkdev): simplified syntax and enabled with SVR5
12591 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
12593 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
12594 * configure: Rebuilt.
12595 * config/t-freebsd-thread: New file.
12597 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
12599 * i386.c (ix86_decompose_address): Verify the base is a REG
12600 before trying to examine its register number.
12602 * basic-block.h: Remove all #defines and prototypes related to
12604 (free_bb_mem, compute_preds_succs): Remove prototype.
12605 * rtl.h (free_bb_mem): Remove prototype.
12606 * flow.c (alloc_int_list_node); Remove function.
12607 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
12608 (compute_preds_succs, free_bb_mem): Likewise.
12609 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
12610 * toplev.c (rest_of_compilation): Likewise.
12611 * haifa-sched.c (build_control_flow): Use flow generated edge
12612 list to build the haifa specific edge list.
12613 (find_rgns): Use new CFG data structures instead of pred/succ lists.
12614 (schedule_insns): Do not build pred/succ lists anymore. Instead
12615 build the edge table.
12617 * basic-block.h (dump_bb_data): Remove declaration.
12618 * flow.c (dump_bb_data): Remove function.
12619 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
12620 (sbitmap_union_of_predsucc): Likewise.
12622 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
12623 argument. All callers changed.
12624 (delete_null_pointer_checks_1): No longer need to compute the
12627 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
12628 All callers changed.
12629 (pre_expr_reaches_here_p_work): Likewise.
12630 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
12631 * lcm.c (compute_laterin): Fix initialization of LATER.
12632 (compute_nearerout): Similarly for NEARER.
12634 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12636 * cse.c (set_nonvarying_address_components): Delete unused function.
12637 (refers_to_p): Likewise.
12639 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
12641 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
12644 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12646 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
12647 definition in do while (0).
12649 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
12651 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
12653 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
12655 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
12657 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12659 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
12660 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
12661 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
12662 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
12664 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
12665 saved on the stack. Output more accurate stack frame statistics
12666 into assembler file.
12668 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
12670 * genextract.c (record_insn_name): New function.
12671 (get_insn_name): No longer a stub.
12672 (main): Call record_insn_name for each insn. After each label
12673 written, print the insn name in a comment.
12675 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12677 * output.h (const_section, init_section, fini_section): Add
12680 * alpha/elf.h (const_section): Delete declaration.
12682 * svr4.h (const_section): Likewise.
12684 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
12686 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
12687 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
12688 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
12690 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
12691 variable-sized array bounds.
12693 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
12695 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
12698 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12700 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
12701 addresses the same way GO_IF_LEGITIMATE_INDEX does.
12703 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12705 * cse.c (hash_arg_in_struct): Delete.
12706 (struct table_elt): Delete elt in_struct.
12707 (struct set): Delete elt src_in_struct.
12708 (merge_equiv_classes): Don't set either hash_arg_in_struct or
12709 the corresponding in_struct elts.
12710 (canon_hash): Likewise.
12711 (safe_hash): Likewise.
12712 (find_best_addr): Likewise.
12713 (record_jump_cond): Likewise.
12714 (cse_insn): Likewise.
12716 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
12718 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
12720 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
12723 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
12725 * function.c (diddle_return_value): Put back check that the DECL_RTL
12726 for the function is a register.
12728 * function.c (diddle_return_value): Use hard_function_value to
12729 get an rtx suitable for use in the USE/CLOBBER insn.
12731 * global.c (global_conflicts): Update comments.
12732 (record_conflicts): No need to record conflicts between pseudos here.
12734 1999-11-11 Bruce Korb <autogen@linuxbox.com>
12736 * fixinc/fixincl.c: Added verbose levels for status messages
12738 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12740 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
12741 operand as argument to expand_and or expand_binop.
12743 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
12745 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
12746 gcc_add_string_root.
12748 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
12750 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
12752 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
12754 * flow.c (compute_flow_dominators): Initially put all blocks on
12756 * lcm.c (compute_antinout_edge, compute_available): Similarly.
12757 * gcse.c (compute_cprop_avinout): Remove.
12758 (compute_cprop_data): Use compute_available.
12759 (delete_null_pointer_checks_1): Use compute_available.
12761 * basic-block.h (compute_available): Returns a void now.
12762 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
12763 to return a value anymore.
12764 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
12765 worklists. Fix boundary cases. Compute maximal solutions.
12766 (compute_laterin, compute_nearerout): Similarly.
12768 * dwarf2out.c (add_AT_location_description): Allow
12769 (mem (plus (pseudo) (...)) too.
12771 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
12773 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
12775 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
12776 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12778 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
12780 * gansidecl.h: Likewise.
12786 * toplev.h: Likewise.
12788 * tree.c: Likewise.
12790 * tree.h: Likewise.
12792 * varray.c: Likewise.
12794 * varray.h: Likewise.
12796 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
12798 * gcov.c (struct arcdata): Add hits and total, remove prob.
12799 (output_branch_counts): New.
12800 (process_args): Set output_branch_counts if -c.
12801 (calculate_branch_probs): Store hits and total instead of
12803 (output_data): Emit counts if output_branch_counts is true.
12804 * gcov.texi (Invoking Gcov): Document -c switch..
12806 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
12808 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
12809 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
12811 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
12813 * invoke.texi (C Dialect Options): Add missing builtins from
12814 c-common.c to list.
12815 * extend.texi (Other Builtins): Copy to this list.
12817 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12819 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
12820 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
12821 redundant bitmap.h.
12823 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
12825 * flow.c (compute_flow_dominators): No longer treat basic block 0
12826 or (n_basic_blocks - 1) specially. Clear the AUX field before
12827 starting computation of doms/pdoms. Fix initial state for pdoms.
12829 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12831 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
12832 match rtl.o's: added ggc.h and toplev.h
12833 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
12834 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
12835 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
12837 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
12839 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
12840 from HAVE_DOS_BASED_FILESYSTEM.
12841 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
12842 HAVE_DOS_BASED_FILESYSTEM.
12844 (split_directories): Only special-case DOS file names if
12845 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
12846 instead of explicit tests. Conditionalize on !VMS.
12847 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
12848 tests. Conditionalize on !VMS.
12849 (process_command): Only use make_relative_prefix if !VMS.
12850 (free_split_directories): Conditionalize on !VMS.
12851 (DIR_UP): Conditionalize on !VMS.
12853 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
12855 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
12857 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
12859 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
12862 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
12864 * invoke.texi (Environment Variables): Document relative path
12866 * gcc.c (DIR_UP): If not defined, define as "..".
12867 (standard_bindir_prefix): New static, holds target location to
12869 (split_directories): New function to split a filename into
12870 component directories.
12871 (free_split_directories): New function, release memory allocated
12872 by split_directories.
12873 (make_relative_prefix): New function, make a relative pathname if
12874 the compiler is not in the expected location.
12875 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
12876 can figure out an appropriate prefix from argv[0].
12877 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
12878 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
12879 STANDARD_BINDIR_PREFIX.
12881 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12883 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
12885 * config/c4x/c4x.h: Moved prototypes to c4x.h.
12886 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
12887 c4x_secondary_memory_needed) Delete.
12888 (fp_zero_operand): Add mode argument.
12890 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
12892 * reload1.c (reload_reg_free_for_value_p): Don't use a register
12893 that is in reload_reg_used.
12895 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
12897 * config/arm/arm-protos.h: New file: Prototypes for functions
12898 defined in arm.c and pe.c.
12899 * config/arm/arm.h: Fix compile time warnings.
12900 * config/arm/arm.c: Fix compile time warnings.
12901 * config/arm/pe.h: Fix compile time warnings.
12902 * config/arm/aout.h: Fix compile time warnings.
12904 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
12906 * config/m32r/m32r-protos.h: New file: Prototypes for functions
12909 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
12910 Add support for subtargets.
12911 Add prototypes for new predicates.
12912 Add scheduling macros.
12914 * config/m32r/m32r.c: Fix compile time warnings.
12915 (int8_operand): New predicate function.
12916 (reg_or_cmp_int16_operand): New predicate function.
12917 (extend_operand): New predicate function.
12918 (m32r_adjust_code): New scheduling function.
12919 (m32r_adjust_priorty): New scheduling function.
12920 (m32r_sched_init): New scheduling function.
12921 (m32r_sched_reorder): New scheduling function.
12922 (m32r_sched_variable_issue): New scheduling function.
12923 (direct_return): New codegen function.
12924 (m32r_not_same_reg): New rtl testsing function.
12926 * config/m32r/m32r.md: Fix compile time warnings.
12927 Add support for pre decrement and post increment memory
12929 Add S<cc> patterns.
12932 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12934 * global.c (EXECUTE_IF_CONFLICT): Don't define.
12935 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
12936 (find_reg): Likewise.
12938 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
12940 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
12941 to avoid assembler errors.
12943 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
12945 * config/v850/v850-protos.h: New file: Prototypes for functions
12947 * config/v850/v850.h: Move prototypes to v850-protos.h
12948 * config/v850/v850.c: Move prototypes to v850-protos.h
12949 * config/v850/v850.md: Fix compile time warnings.
12951 * config/fr30/fr30-protos.h: New file: Prototypes for functions
12953 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
12954 * config/fr30/fr30.c: Fix compile time warnings.
12955 * config/fr30/fr30.md: Fix compile time warnings.
12957 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
12959 * tree.h (get_containing_scope): Declare it.
12960 * tree.c (get_containing_scope): New fucntion.
12961 (decl_function_context): Use it.
12962 * toplev.c (rest_of_compilation): Use get_containing_scope.
12964 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12966 * Makefile.in (rtl.o): Depend on toplev.h.
12968 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
12970 * cse.c (delete_trivially_dead_insns): Replace alloca with
12972 * except.c (update_rethrow_references): Likewise.
12973 (init_eh_nesting_info): Likewise.
12974 * function.c (identify_blocks): Likewise.
12975 * gcse.c (dump_hash_table): Likewise.
12976 * graph.c (print_rtl_graph_with_bb): Likewise.
12977 * loop.c (combine_movables): Likewise.
12978 (move_movables): Likewise.
12979 (count_loop_regs_set): Likewise.
12980 (strength_reduce): Likewise.
12981 * profile.c (compute_branch_probabilities): New function, split
12983 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
12984 * regclass.c (regclass): Likewise.
12985 * regmove.c (regmove_optimize): Likewise.
12986 * toplev.c (compile_file): Likewise.
12987 (main): Don't mess with the stack rlimit.
12989 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
12991 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
12992 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
12994 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
12996 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
12998 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
13000 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
13001 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
13004 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
13006 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
13008 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
13010 * gcse.c (post_dominators): Kill.
13011 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
13012 (compute_code_hoist_data): Use compute_flow_dominators. Do not
13013 pass in a pdom array since we do not need pdoms.
13014 * haifa-sched.c (schedule_insns): Similarly.
13015 * flow.c (compute_dominators): Remove dead function.
13016 (compute_flow_dominators): Do not compute doms or pdoms if the
13017 caller does not request them. Split up loop to build doms and
13018 pdoms. Use a worklist to compute doms and pdoms.
13019 * basic-block.h (compute_dominators): Remove prototype.
13021 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
13023 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
13024 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
13025 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
13026 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
13027 (cant_move, fed_by_spec_load, is_load_insn): Remove.
13028 (schedule_region): Remove unused variable.
13029 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
13031 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
13033 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
13034 (update_equiv_regs): Likewise.
13035 (block_alloc): Likewise.
13036 * reg-stack.c (reg_to_stack): Likewise.
13037 (convert_regs_2): Likewise.
13038 * reload1.c (reload_as_needed): Likewise.
13040 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
13042 * Makefile.in (dbxout.o): Depend on ggc.h.
13043 (dwarf2out.o): Likewise.
13044 (xcoffout.o): Likewise.
13045 * dbxout.c: Include ggc.h.
13046 (dbxout_init): Register lastfile as a root.
13047 * dwarf2out.c: Include ggc.h.
13048 (dwarf2out_line): Register lastfile as a root.
13049 * xcoffout.c: Include ggc.h.
13050 (xcoffout_source_line): Register xcoff_lastfile as a root.
13052 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
13054 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
13056 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
13058 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
13060 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
13062 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13064 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
13065 (EXECUTE_IF_CONFLICT): Likewise.
13066 (ALLOCNO_LIVE_P): Avoid signed division.
13067 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
13068 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
13069 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
13071 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
13073 * haifa-sched.c (schedule_block): Don't crash if there's no
13074 next insn for an interblock movement.
13075 (add_branch_dependences): Don't allow clobber insns to move either.
13077 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
13079 * i386.c (split_xf): New.
13080 * i386-protos.h: Declare it.
13081 * i386.md (movxf_1): Add general regs alternatives.
13082 (movxf_1+1): New splitter for same.
13084 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
13086 * function.c (purge_addressof_1): Add missing return values.
13088 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
13090 * function.c (is_addressof): New function. Returns true if
13091 the given piece of RTL is an ADDRESSOF.
13092 (purge_addressof_1): Make boolean. Return false if the
13093 ADDRESSOFs could not be purged.
13094 (purge_addressof): If ADDRESSOFs could not be purged from the
13095 notes attached to an insn, remove the offending note(s),
13096 unless they are attached to a libcall.
13098 1999-11-05 Andreas Jaeger <aj@suse.de>
13100 * genoutput.c (null_operand =): Initialize all fields.
13102 * errors.h: Add extern to prototypes.
13104 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
13106 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
13107 * configure: Rebuilt.
13109 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13111 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
13112 (mirror_conflicts): New function.
13113 (global_alloc): Call it.
13114 (expand_preferences): Remove redundant CONFLICTP test.
13115 (find_reg, dump_conflicts): Likewise.
13116 (prune_preferences): Process conflicts one word at a time.
13118 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
13120 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
13121 instead of an explicit loop.
13123 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
13125 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
13126 if REG_RETVAL check succeeds, then put classp in src_elt.
13128 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
13130 * function.c (pad_to_arg_alignment): Only update argument_pad
13131 if the argument's alignment is greater than STACK_BOUNDARY.
13133 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
13135 * bitmap.h (BITMAP_XFREE): New.
13136 * flow.c (life_analysis): Use it.
13137 (life_analysis_1): Free blocks.
13139 * combine.c (undo_commit): New.
13140 (try_combine): Use it. Don't zap undobuf.undos.
13141 (combine_instructions): Don't zap undobuf.undos; free the
13142 undobuf.frees list.
13144 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
13146 * stmt.c (cost_table_): New.
13147 (estimate_case_costs): Use it instead of xmalloc.
13149 * toplev.c (compile_file): Reuse dumpname memory instead
13152 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
13154 * reg-stack.c (convert_regs_1): Initialize target_stack->top
13155 after verifying an EH edge.
13157 * haifa-sched.c (init_rgn_data_dependences): Correctly
13158 size bb_pending_lists_length when zeroing.
13160 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
13162 * function.c (diddle_return_value): New.
13163 (expand_function_end): Use it.
13164 * stmt.c (expand_null_return): Likewise.
13165 (expand_value_return): Likewise.
13167 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
13169 * reload1.c (reload): Don't remove return value clobbers.
13171 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
13173 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
13175 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
13177 * cse.c (cse_main): Use xmalloc, not alloca.
13178 (cse_basic_block): Likewise.
13179 * local-alloc.c (local_alloc): Likewise.
13181 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
13182 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13184 * rtl.c: Include toplev.h.
13185 (fatal): Remove declaration.
13187 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
13189 * haifa-sched.c (schedule_block): Fix thinko.
13191 1999-11-03 James McKelvey <mckelvey@fafnir.com>
13193 * fixinc/fixincl.c(create_file): Allow for systems that do not have
13194 S_IR* defined values
13196 1999-11-03 Philippe De Muyter <phdm@macqel.be>
13198 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
13199 call `malloc' instead.
13201 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
13203 * flags.h (flag_renumber_insns): Declare.
13204 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
13206 * rtl.h (renumber_insns): Change prototype.
13207 * toplev.c (flag_renumber_insns): Define.
13208 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
13210 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
13212 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
13213 and fpsqrtd. Use them and create fdiv function unit to more
13214 accurately represent fpu sqrt pipeline semantics on UltraSparc.
13215 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
13217 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
13219 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
13221 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
13222 insn into ready list, do not use just a raw swap.
13224 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
13226 * rtl.h (renumber_insns): New function.
13227 (remove_unnecessary_notes): Likewise.
13228 * emit-rtl.c (renumber_insns): Define.
13229 (remove_unncessary_notes): Likewise.
13230 * toplev.c (rest_of_compilation): Remove dead code.
13231 Use renumber_insns and remove_unncessary_notes.
13233 * gcse.c (struct null_pointer_info): New type.
13234 (get_bitmap_width): New function.
13235 (current_block): Remove.
13236 (nonnull_local): Likewise.
13237 (nonnull_killed): Likewise.
13238 (invalidate_nonnull_info): Take a null_pointer_info as input.
13239 (delete_null_pointer_checks_1): New function.
13240 (delete_null_pointer_checks): Use it.
13242 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
13243 (split_edges): Likewise.
13244 (schedule_block): Likewise.
13245 (compute_block_backward_dependencies): Likewise.
13246 (schedule_region): Likewise.
13247 (schedule_insns): Likewise.
13249 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
13251 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
13252 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
13253 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
13254 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
13255 * jump.c (delete_unreferenced_labels): Don't delete if
13256 LABEL_ALTERNATE_NAME is set.
13257 * print-rtl.c (print_rtx): Dump alternate name.
13258 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
13259 * rtl.h (LABEL_ALTERNATE_NAME): Define.
13260 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
13261 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
13263 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13265 * fix-header.c (recognized_extern, recognized_function): Constify
13268 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
13269 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
13270 (compute_available): Remove unused variable `last'.
13271 (compute_nearerout): Remove unused variable `temp_bitmap'.
13272 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
13273 Remove unused variable `x'.
13275 * scan.h (recognized_function, recognized_extern): Constify a
13278 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
13280 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13282 * varasm.c (decode_rtx_const): Use XSTR to access the string
13285 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
13287 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
13289 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13291 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
13293 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
13295 * pa.c (ireg_operand): New function.
13296 * pa.h (PREDICATE_CODES): Handle ireg_operand.
13297 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
13298 Fix out of date comment.
13300 * pa.md (negdi2): Turn into expander + anonymous pattern.
13302 * reload.c (find_reloads): Fix typos in recent change.
13304 * dwarf2out.c: Do not include ctype.h.
13306 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13308 * regclass.c (record_reg_classes): Always use may_move_cost when
13309 seeing how operand fits with various register classes.
13311 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
13313 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
13314 * toplev.c: Revert Nov 1 13:22 change.
13316 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
13318 * config/pa/pa.md (height reduction patterns): Add checks for
13319 overlapping operands to avoid semantic-destroying splits for
13320 height reduction patterns.
13322 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13324 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
13325 have been an hyphen, fixed.
13326 * configure: Rebuilt.
13328 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
13330 * config/arm/tpe.h: Add prototypes for exported functions.
13331 * config/arm/pe.c: Fix compile time warnings.
13332 * config/arm/semi.h: Fix compile time warnings.
13333 * config/arm/arm.c: Fix compile time warnings.
13334 * config/arm/arm.h: Fix compile time warnings.
13335 * config/arm/arm.md: Fix compile time warnings.
13336 * config/arm/thumb.c: Fix compile time warnings.
13337 * config/arm/thumb.h: Fix compile time warnings.
13338 * config/arm/thumb.md: Fix compile time warnings.
13340 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
13342 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
13345 * unroll.c (unroll_loop): Remove LOOP notes when loop is
13346 completely unrolled.
13348 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13350 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
13352 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
13354 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
13355 * rtl.h (rtx_equal_p): Move prototype.
13356 * rtl.c (rtx_equal_function_value_matters): Move from
13358 (rtx_equal_p): Likewise.
13359 * rtlanal.c (rtx_equal_function_value_matters): Delete.
13360 (rtx_equal_p): Likewise.
13362 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
13364 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
13365 ! HAS_INIT_SECTION.
13367 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
13369 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
13371 * pa.h (ADDR_VEC_ALIGN): Define.
13373 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
13374 notes when presented with "if (foo) break; end_of_loop" and
13375 the break sequence gets moved out of the loop.
13377 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
13378 Remove explicit zero initializations of entries within MAP.
13380 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
13382 * reg-stack.c (convert_regs_1): Handle EH edges specially.
13384 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
13386 * bitmap.h (BITMAP_XMALLOC): New macro.
13387 * flow.c (CLEAN_ALLOCA): Remove.
13388 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
13389 (life_analysis): Likewise.
13390 (update_life_info): Don't use CLEAN_ALLOCA.
13391 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
13392 (calculate_global_regs_live): Likewise.
13393 (print_rtl_with_bb): Likewise.
13394 (verify_flow_info): Likewise.
13395 * global.c (global_alloc): Likewise.
13396 (global_conflicts): Likewise.
13397 * integrate.c (save_for_inline_nocopy): Likewise.
13398 (expand_inline_function): Likewise.
13399 * jump.c (jump_optimize_1): Likewise.
13400 (duplicate_loop_exit_test): Likewise.
13401 (thread_jumps): Likewise.
13402 * loop.c (loop_optimize): Likewise.
13403 (combine_givs): Likewise.
13404 (recombine_givs): Likewise.
13405 * reorg.c (dbr_schedule): Likewise.
13406 * unroll.c (unroll_loop): Likewise.
13408 * combine.c (combine_instructions): Use xmalloc instead of alloca.
13410 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
13412 * toplev.c (rest_of_compilation): Don't optimize the CFG
13413 when rebuilding, just before dbr.
13415 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13417 * output.h (assemble_end_function, assemble_destructor,
13418 assemble_constructor, assemble_gc_entry, assemble_global,
13419 assemble_label, output_constant_pool) Constify a char*.
13421 * varasm.c (assemble_destructor, assemble_constructor,
13422 assemble_gc_entry, assemble_end_function, assemble_global,
13423 assemble_label, output_constant_pool): Likewise.
13425 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
13427 * config/arm/thumb.c (thumb_expand_prologue): Add comments
13428 explaining what is goin on in this function.
13430 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13432 * regclass.c (record_reg_classes): In matching case, recompute
13433 costs since the direction of movement is different.
13435 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13437 * resource.c (mark_target_live_regs): For unconditional branches,
13438 the resources found at the branch target should be added to the
13439 resources found so far, not intersected.
13441 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
13443 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
13445 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
13446 (sys/mman.h): Include this file only if #HAVE_MMAP.
13447 (run_compiles): Initialize `esac_fmt' with one old KR string, not
13448 with automatically concatenated ANSI strings.
13450 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
13452 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
13453 (DIV_ROUND_UP): Robustify.
13454 (ggc_recalculate_in_use_p): New function.
13455 (release_pages): Don't inline it.
13456 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
13458 (ggc_pop_context): Use ggc_recalculate_in_use_p.
13459 (clear_marks): Always save in_use_p.
13460 (sweep_pages): Use ggc_recalculate_in_use_p.
13461 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
13462 Release pages before counting statistics.
13464 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
13466 * toplev.c (rest_of_compilation): Fix thinko in this change:
13468 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
13470 (rest_of_compilation): If inside an inlined external function,
13471 pretend we are just being declared.
13473 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
13475 * flow.c (calculate_global_regs_live): Fix thinko.
13477 * integrate.c (expand_inline_function): Fix bugs in previous
13478 change from Oct 28, 1999.
13480 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
13482 * stmt.c (expand_value_return): Fix typo in this change:
13484 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13485 (expand_value_return): Correctly convert VAL when promoting function
13486 return; support RETURN_REG being a PARALLEL.
13488 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
13490 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
13492 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13494 * hard-reg-set.h (reg_names): Constify a char*.
13496 * regclass.c (reg_names): Likewise.
13498 * regs.h (reg_names): Likewise
13500 * a29k/a29k.c (reg_names): Delete declaration.
13502 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
13504 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
13505 arc_output_function_epilogue): Likewise.
13507 * elxsi/elxsi.c (reg_names): Likewise.
13509 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
13511 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
13514 * m88k/m88k.c (output_function_profiler): Likewise.
13516 * sparc/sparc.c (sparc_flat_output_function_prologue,
13517 sparc_flat_output_function_epilogue): Likewise.
13519 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
13521 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
13522 warning from -Wuninitialized and put it under -W.
13523 * function.c (uninitialized_vars_warning): Warn only when the
13524 corresponding flag is set.
13526 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
13528 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
13529 is nonzero and the single set does not have an elt, then assign
13532 * simplify-rtx.c: New file.
13533 * Makefile.in (OBJS): Add simplify-rtx.o
13534 (simplify-rtx.o): Add dependencies.
13535 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
13536 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
13537 (cse_gen_binary, simplify_unary_operation): Delete.
13538 (simplify_binary_operation, simplify_plus_minus): Likewise.
13539 (check_fold_consts, simplify_relation_operation): Likewise.
13540 (simplify_ternary_operation): Likewise.
13541 (delete_trivially_dead_insns): Simplify the contents of the
13542 REG_EQUAL note before trying to substitute it into the source
13543 of the reg-reg copy at the end of a libcall sequence.
13545 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
13546 references/callers changed.
13548 * mn10200.c (mn10200_va_arg): Force the return value into a
13551 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
13553 * cccp.c (macroexpand): Avoid out of range accesses for omitted
13556 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
13558 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
13560 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
13562 * fold-const.c (fold): Fix thinko when optimizing comparisons
13565 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
13567 * gcc.texi (Passes): Update front-end files to their current
13570 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
13572 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
13573 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
13574 (PREDICATE_CODES): Add addition_operation.
13575 * alpha-protos.h (addition_operation): Declare.
13576 (secondary_reload_class): Likewise.
13577 * alpha.c (addition_operation): New.
13578 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
13579 * alpha.md (adddi3): Turn into expander.
13580 (*lda, *adddi_2): New.
13581 (movsf, movdf patterns): Don't preference integer regs.
13582 (movsi, movdi patterns): Don't preference fp regs.
13584 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
13586 * genrecog.c (write_switch): Check for duplicate CODE cases.
13588 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
13590 * ggc-common.c: Update pre-function commentary.
13591 * ggc-page.c: Likewise.
13593 (poison_pages): Use memset directly.
13594 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
13595 (ggc_collect): Poison before sweeping.
13596 * ggc-simple.c: Update pre-function commentary.
13597 (ggc_alloc_obj): Poison non-zeroed memory.
13599 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
13601 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
13602 match format string, even on 64-bit hosts.
13603 * gcc-page.c (ggc_page_print_statistics): Likewise.
13605 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
13607 * config/i386/i386.c (ix86_cpu): Revert last patch.
13608 * config/i386/i386.h (ix86_cpu): Ditto.
13610 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
13612 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
13613 TYPE_SIZE, convert type of result to sizetype.
13615 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
13617 * flow.c (count_or_remove_death_notes): Equate NULL with the
13620 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
13621 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
13624 * i386.c (pic_label_no): Delete.
13625 (ix86_attr_length_default): Don't use single_set to peek
13628 * recog.c (peephole2_optimize): Allow recog_next_insn to index
13629 the first insn after bb->end.
13630 * i386.md (push mem peeps): Scratch is live after evaluation
13632 (cmp mem peep): Similarly.
13634 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
13636 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
13637 * function.c (pad_to_arg_alignment): Add missing braces.
13639 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13641 * alpha/alpha-protos.h (literal_section): Add prototype.
13642 (alpha_need_linkage, alpha_start_function,alpha_end_function):
13645 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
13647 (alpha_start_function, alpha_end_function, float_strings,
13648 alpha_need_linkage): Constify a char*
13650 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
13652 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
13654 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13656 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
13658 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13660 * flow.c (debug_flow_info): Add prototype.
13662 * gcc.c (main): Likewise.
13664 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
13667 * reload1.c (failed_reload, set_reload_reg): Likewise.
13669 * mips-tfile.c (main): Likewise.
13670 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
13671 with ATTRIBUTE_NORETURN.
13673 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
13675 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
13676 DECL is not a memory ref.
13678 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
13680 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
13681 * config/i386/i386.c (ix86_cpu): Add extern attribute.
13683 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
13685 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
13686 * config/mips/elf64.h: ditto.
13688 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
13690 * expr.c (emit_push_insn): New argument alignment_pad.
13691 Update all callers. Adjust stack pointer based on alignment pad.
13692 * function.c (pad_to_arg_alignment): New argument alignment_pad.
13693 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
13694 (locate_and_pad_parm): New argument alignment_pad. Update all
13696 * expr.h (emit_push_insn): Update prototype.
13697 (locate_and_pad_parm): Update prototype.
13698 * calls.c (arg_data): Add new field alignment_pad.
13699 (initialize_argument_information): Initialize alignment_pad.
13701 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
13703 * except.c (free_eh_nesting_info): Free the info itself.
13704 * function.c (free_after_compilation): Don't free NULL.
13705 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
13706 (pre_edge_insert): Free inserted.
13707 * stmt.c (free_stmt_status): Don't free NULL.
13709 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
13711 * gcov.c (DIR_SEPARATOR): Provide default.
13712 (output_data): Add test for MS-DOS format absolute filename.
13713 (fancy_abort): Correct program name.
13714 (open_files): Open all files in binary mode.
13715 * libgcc2.c (__bb_exit_func): Likewise.
13717 * profile.c (init_branch_prob): Specify binary when opening files.
13719 * flags.h (flag_unwind_tables): New decl.
13720 * toplev.c (flag_unwind_table): New definition.
13721 (f_options): Add -funwind-tables.
13722 (decode_g_option): Clarify warning when unknown -g option is given.
13723 (rest_of_compilation): If inside an inlined external function,
13724 pretend we are just being declared.
13726 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
13727 (dwarf2out_frame_finish): Likewise.
13729 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
13731 * fold-const.c (merge_ranges): If not in0, but in1, handle
13732 upper bounds equal like subset case.
13734 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
13736 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
13737 passed in a register but moved to the stack.
13739 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
13741 * gcc.c (pass_exit_codes, greatest_status): New variables.
13742 (struct option_map): Add entry for "--pass-exit-codes".
13743 (execute): Update greatest_status if error.
13744 (display_help): Add documentation for -pass-exit-codes.
13745 (process_command): Handle -pass-exit-codes.
13746 (main): Look at pass_exit_codes and greatest_status on call to exit.
13748 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13750 * reload.c (find_reloads): Refine test for no input reload
13751 case to not includes reloads emitted after insn.
13753 * function.c (find_temp_slots_from_address): Handle sum involving
13754 a register that points to a temp slot.
13755 (update_temp_slot_address): Make recursive call if both old and
13756 new are PLUS with a common operand.
13757 * calls.c (expand_call): Mark temp slot for result as having
13760 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
13762 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
13763 component as well as "BINUTILS".
13765 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
13766 * integrate.c (copy_rtx_and_substitute): Likewise.
13767 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
13768 All callers changed.
13769 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
13771 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
13772 gdb extensions, write size of type; also be more consistent
13773 in using references when this is a subtype.
13775 * pa.md (extv, extzv, insv): Use define_expand to reject constant
13776 that is out of range.
13778 * loop.c (unknown_constant_address_altered): New variable.
13779 (prescan_loop): Initialize it.
13780 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
13781 (invariant_p, case MEM): Remove handling for volatile and readonly;
13782 check new variable if readonly.
13783 (check_dbra_loop): Chdeck unknown_constant_address_altered.
13785 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
13786 (addr_affects_sp_p): Removed from note_mem_written and only
13787 define #ifdef AUTO_INC_DEC.
13789 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
13791 * regclass.c (record_reg_classes): Properly handle register move
13794 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
13795 Don't think valid if both operands are invalid.
13796 (struct constant_descriptor): New field RTL.
13797 (mark_const_hash_entry): Mark it.
13798 (record_constant{,_rtx}): Initialize it.
13799 (output_constant_def): Allocate RTL in permanent obstack and
13801 ({record,compare}_constant_1): Modes must match for
13802 CONSTRUCTOR of ARRAY_TYPE.
13804 * c-common.h (initializer_constant_valid_p): Delete decl from here.
13805 * output.h (initializer_constant_valid_p): Move decl to here.
13806 * c-common.c (initializer_constant_valid_p): Delete function from here.
13807 * varasm.c (initializer_constant_valid_p): Move function to here.
13809 * tree.h (STRIP_SIGN_NOPS): New macro.
13810 * fold-const.c (optimize_minmax_comparison): New function.
13811 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
13812 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
13813 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
13814 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
13815 widening conversions.
13816 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
13817 to look at size of mode, not precision of type; also add missing cases.
13818 (optimize_bit_field_compare, decode_field_reference): Don't try to
13819 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
13821 * dwarf2out.c (ctype.h): Include.
13822 (dwarf2out_set_demangle_name_func): New function.
13823 (size_of_line_info): Deleted.
13824 (output_line_info): Compute size of line info table from difference
13826 (base_type_die, add_name_attribute): Call demangle function, if any.
13827 (field_byte_offset): Use bits per word for variable length fields.
13828 (gen_array_type_die): Add array name.
13829 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
13830 (dwarf2out_add_library_unit_info): New function.
13832 * explow.c (set_stack_check_libfunc): New function.
13833 (stack_check_libfunc): New static variable.
13834 (probe_stack_range): Allow front-end to set up a libfunc to call.
13836 * combine.c (simplify_comparison): When making comparison in wider
13837 mode, check for having commuted an AND and a SUBREG.
13838 (contains_muldiv): New function.
13839 (try_combine): Call it when dividing a PARALLEL.
13840 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
13841 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
13843 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
13844 use one of the CLOBBERs instead.
13845 (if_then_else_cond): If comparing against zero, just return thing
13848 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
13849 Don't generate shifts and subtract if have conditional arithmetic.
13851 * rtl.h (delete_barrier): New declaration.
13852 * jump.c (jump_optimize): Set up to handle conditional call.
13853 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
13854 (delete_barrier): New function.
13856 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
13858 * recog.c (nonmemory_operand): Accept ADDRESSOF.
13860 * tree.c (build_type_attribute_variant): Push to obstack of
13861 ttype around type_hash_canon call.
13863 * expr.c (placeholder_list): Move decl to file scope.
13864 (expand_expr): Don't force access to volatile just because its
13866 If ignoring reference operations, just expand the operands.
13867 (expand_expr, case COMPONENT_REF): Propagate
13868 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
13869 Refine test for using bitfield operations vs pointer punning.
13870 (expand_expr, case CONVERT_EXPR): If converting to
13871 BLKmode UNION_TYPE from BLKmode, just return inner object.
13872 Use proper mode in store_field call.
13873 Properly set sizes of object to store and total size in store_field
13874 call for convert to union.
13875 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
13876 memory (like for ADDR_EXPR). Also, don't put constant in register if
13877 we'll want it in memory.
13878 (readonly_fields_p): New function.
13879 (expand_expr, case INDIRECT_REF): Call it if LHS.
13880 (expand_assignment): Handle a RESULT_DECL where
13881 DECL_RTL is a PARALLEL.
13882 (do_jump, case WITH_RECORD_EXPR): New case.
13883 (get_inner_reference): Always go inside a CONVERT_EXPR
13884 and NOP_EXPR if both modes are the same.
13885 (store_field): Use bitfield operations if size of bitsize is not same
13886 as size of RHS's type.
13887 Check for bitpos not a multiple of alignment in BLKmode case.
13888 Do block move in largest possible alignment.
13889 (store_constructor): Set BITSIZE to -1 for variable size and properly
13890 in case of array of BLKmode.
13891 (expand_expr_unaligned): New function.
13892 (do_compare_and_jump): Call it.
13894 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
13895 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
13896 does not include 'o'.
13898 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
13899 both SET_DEST and SET_SRC reference a virtual register.
13900 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
13902 * integrate.c (expand_inline_function): Handle case of setting
13903 virtual stack vars register (from built in setjmp); when parameter
13904 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
13905 (subst_constant): Add new parm, MEMONLY.
13906 (expand_inline_function, integrate_parm_decls): Pass new parm.
13907 (integrate_decl_tree): Likewise.
13908 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
13909 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
13910 (copy_rtx_and_substitute, case SET): Add explicit calls to
13911 copy_rtx_and_substitute for both sides.
13913 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
13915 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
13916 within INDEX_TYPE, instead of before.
13917 (fixup_gotos): Use f->target_rtl, not the next insn,
13918 since latter may be from a later fixup.
13919 (expand_value_return): Correctly convert VAL when promoting function
13920 return; support RETURN_REG being a PARALLEL.
13921 (expand_return): When checking for result in regs and having
13922 cleanup, consider PARALLEL in DECL_RTL as being in regs.
13924 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
13926 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
13927 last_nominal_fname): Mark const.
13928 (struct include_hash: name, nshort, control_macro): Mark
13930 (struct macrodef: symnam): Mark const.
13931 (struct if_stack: fname): Mark const.
13932 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
13933 (IStable): New character-syntax array which encompasses all
13934 the old is_foo arrays.
13935 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
13936 is_space): New macros for interrogating IStable.
13937 (check_macro_name): Kill last argument. All callers changed.
13939 * cppinit.c (initialize_char_syntax): Delete.
13940 (is_idchar, is_idstart, is_hor_space, is_space,
13941 trigraph_table): Delete.
13942 (IStable): New. Initialize with clever macros to avoid
13943 information duplication.
13944 (builtin_array): Table of builtins to get rid of explicit list
13945 in initialize_builtins.
13946 (initialize_builtins): Use builtins_array.
13947 (cpp_start_read): Call init_IStable, and set IStable['$'] if
13948 opts->dollars_in_ident.
13950 * cppexp.c: Change all refs to is_xyz[] arrays to use new
13952 (cpp_parse_expr): Avoid 'format string is not constant'
13953 warning. Use ISGRAPH to identify printable chars.
13954 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
13956 (read_and_prescan): Map trigraphs to chars with open-coded
13957 if-else-if-... sequence, not a lookup table.
13958 * cpphash.c: Change all refs to is_xyz[] arrays to use new
13960 * cpplib.c: Change all refs to is_xyz[] arrays to use new
13961 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
13962 (check_macro_name): Remove ability to report an invalid
13963 assertion name, which is never used.
13964 (do_line): Constify a couple of char *'s.
13965 * cppmain.c (main): Call cpp_cleanup before returning.
13967 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
13969 * ggc.h (struct ggc_statistics): New type.
13970 (ggc_get_size): New function.
13971 (ggc_print_statistics): Likewise.
13972 * ggc-common.c (ggc_stats): New variable.
13973 (ggc_mark_rtx_children): Keep statistics.
13974 (ggc_mark_tree_children): Likewise.
13975 (ggc_print_statistics): New function.
13976 * ggc-page.c (struct globals): Add bytes_mapped field.
13977 (alloc_anon): Update it.
13978 (release_pages): Likewise.
13979 (ggc_get_size): New function.
13980 (ggc_page_print_statistics): New function.
13981 * ggc-simple.c (ggc_get_size): New function.
13983 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
13985 * flow.c (propagate_block): When the last reference to a label
13986 before an ADDR_VEC is deleted because the reference is a dead
13987 store, delete the ADDR_VEC.
13989 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
13991 * resource.c (find_free_register): Don't use the frame pointer
13992 if frame_pointer_needed.
13994 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
13996 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
13997 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
13999 * config/i960/i960.c (i960_va_start): New locals base, num.
14000 Use INDIRECT_REF instead of ARRAY_REF on valist.
14001 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
14003 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
14005 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
14007 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
14009 * tree.def (PLACEHOLDER_EXPR): Update comments.
14011 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14013 * c-common.c (check_format_info): Avoid non-literal format string
14014 warnings when `first_arg_num' is zero.
14016 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14018 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
14020 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
14022 * arm.md (casesi_insn): Add a clobber of the condition code
14025 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
14027 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
14028 used by both cc1 and cc1plus.
14030 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
14032 * config/arm/arm.c: Initialise arm_structure_size_boundary to
14033 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
14034 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
14035 to the value 32 if it has not already been defined.
14036 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
14037 Override definition in arm.h with a value of 8.
14039 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
14041 * c-pragma.c (push_alignment): Don't check the return value
14044 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
14046 * sparc.h (ADJUST_COST): Fix thinko.
14048 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
14050 * cccp.c (rescan): Fixed obp pointer handling around call to
14051 check_expand subroutine.
14053 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
14055 * gcse.c (delete_null_pointer_checks): Only record non-null info
14056 for pseudos when examining stores.
14058 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
14059 splitters for these patterns. Use "#" for output templates.
14060 (addsi3_carryin_shift): New pattern.
14062 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
14064 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
14065 of the function return register into a plain REG until
14066 after function inlining is done.
14068 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
14070 * jump.c (jump_optimize_1): If we did cross-jumping, and
14071 the data will matter, rebuild the CFG.
14072 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
14073 not optimizing. Don't run shorten_branches.
14074 * toplev.c (rest_of_compilation): Run shorten_branches after
14077 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
14079 * rtl.h (note_stores): Add additional paramter.
14080 * rtlanal.c (reg_set_p_1): Take additional paramter.
14081 (reg_set_last_1): Likewise.
14082 (reg_set_p): Adjust call to note_stores.
14083 (reg_set_last): Likewise.
14084 (note_stores): Pass data parameter to worker function.
14085 * alias.c (record_set): Take additional parameter.
14086 (init_alias_analysis): Pass it.
14087 * caller-save.c (mark_set_regs): Take additional parameter.
14088 (save_call_clobbered_regs): Pass NULL to note_stores.
14089 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
14091 (record_dead_and_set_regs_1): Likewise.
14092 (reg_dead_at_p_1): Likewise.
14093 (combine_instructions): Adjust calls to note_stores.
14094 (try_combine): Likewise.
14095 (record_dead_insn): Remove.
14096 (record_dead_and_set_regs): Adjust calls to note_stores.
14097 (reg_dead_at_p): Likewise.
14098 * cse.c (invalidate_skipped_set): Take additional parameter.
14099 (cse_check_loop_start): Likewise.
14100 (cse_check_loop_start_value): Remove.
14101 (cse_set_around_loop): Adjust calls to note_stores.
14102 * flow.c (notice_stack_pointer_modification): Take additional
14103 parameter. Remove duplicate declaration.
14104 (record_volatile_insns): Adjust calls to note_stores.
14105 * gcse.c (record_set_info): Take additional parameter.
14106 (record_last_set_info): Likewise.
14107 (invalidate_nonnull_info): Likewise.
14108 (record_set_insn): Remove.
14109 (compute_sets): Adjust calls to note_stores.
14110 (last_set_insn): Remove.
14111 (compute_hash_table): Adjust calls to note_stores.
14112 (insert_insn_end_bb): Likewise.
14113 (delete_null_pointer_checks): Likewise.
14114 * global.c (mark_reg_store): Take additional parameter.
14115 (mark_reg_clobber): Likewise.
14116 (reg_becomes_live): Likewise.
14117 (global_conflicts): Adjust calls to note_stores.
14118 (build_insn_chain): Likewise.
14119 * integrate.c (note_modified_parmregs): Take additional parameter.
14120 (mark_stores): Likewise. Make it static.
14121 (save_for_inline_nocopy): Adjust calls to note_stores.
14122 (try_constants): Likewise.
14123 * integrate.h (mark_stores): Remove declaration.
14124 * jump.c (mark_modified_reg): Take additional parameter.
14125 (thread_jumps): Adjust calls to note_stores.
14126 * local-alloc.c (validate_equiv_mem_from_store): Take additional
14128 (no_equiv): Likewise.
14129 (reg_is_set): Likewise.
14130 (validate_equiv_mem): Adjust calls to note_stores.
14131 (update_equiv_regs): Likewise.
14132 (block_alloc): Likewise.
14133 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
14134 (note_addr_stored): Take additional parameter.
14135 (note_set_pseudo_multiple_uses): Likewise.
14136 (record_initial): Likewise.
14137 (prescan_loop): Adjust calls to note_stores.
14138 (strength_reduce): Likewise.
14139 (check_dbra_loop): Likewise.
14140 * regmove.c (flags_set_1): Take additional paramter.
14141 (mark_flags_life_zones): Adjust calls to note_stores.
14142 * reload1.c (mark_not_eliminable): Take additional parameter.
14143 (forget_old_reloads_1): Likewise.
14144 (reload_cse_invalidate_rtx): Likewise.
14145 (reload_cse_check_clobber): Likewise.
14146 (reload_combine_note_store): Likewise.
14147 (move2add_note_store): Likewise.
14148 (reload): Adjust calls to note_stores.
14149 (reload_as_needed): Likewise.
14150 (emit_reload_insns): Likewise.
14151 (reload_cse_regs_1): Likewise.
14152 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
14153 (reload_combine): Adjust calls to note_stores.
14154 * resource.c (update_live_status): Take additional paramter.
14155 (mark_target_live_regs): Adjust calls to note_stores.
14156 * stupid.c (find_clobbered_regs): Take additional parameter.
14157 (stupid_life_analysis): Adjust calls to note_stores.
14159 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
14161 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
14164 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
14167 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
14168 of the variable arm_structure_size_boundary.
14170 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
14172 * alias.c (init_alias_analysis): Allocate reg_known_value and
14173 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
14175 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
14176 * cse.c (cse_main): Call end_alias_analysis.
14177 * haifa-sched.c (schedule_insns): Likewise.
14178 * local-alloc. (update_equiv_regs): Likewise.
14179 * reload1.c (reload_cse_regs): Likewise.
14181 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14183 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
14184 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
14185 mapping from MASK_FPU.
14187 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
14189 * sparc.md (call): Don't bound structure return size to 0xfff.
14191 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
14193 * resource.c (mark_target_live_regs): Check that the target
14194 insn wasn't created after compute_bb_for_insn.
14196 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
14198 * ggc-page.c (poison_pages): Don't be overzealous.
14200 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
14202 * alias.c: Update comments for ADDRESS.
14203 (nonlocal_reference_p): Look inside the ADDRESS to determine if
14204 it is a local memory reference.
14206 * c-typeck.c (build_function_call): Check that the built-in
14207 function is of class BUILT_IN_NORMAL before trying to recongize
14208 it as BUILT_IN_ABS.
14209 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
14210 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
14212 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
14214 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
14216 (pre_gcse): Likewise.
14217 (hoist_expr_reaches_here_p): Likewise.
14218 (hoist_code): Likewise.
14219 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
14221 (pre_expr_reaches_here_p_work): ... here.
14222 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
14224 (expr_reaches_here_p_work): ... here.
14226 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
14228 * resource.c (find_basic_block): Delete.
14229 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
14230 (init_resource_info): Call compute_bb_for_insn.
14232 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
14234 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
14235 with already adjacent blocks, but no fallthru.
14236 (merge_blocks_move_successor_nojumps): Simplify.
14237 (debug_flow_info): New.
14239 * toplev.c (rest_of_compilation): Open jump1 dump file before
14240 jump and close after, as opposed to just using dump_rtl.
14242 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14244 * reload.h (earlyclobber_operand_p): Declare.
14245 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
14246 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
14247 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
14248 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
14250 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
14251 Richard Henderson <rth@cygnus.com>
14253 * emit-rtl.c (emit_block_insn_before): New.
14254 (emit_block_insn_after): New.
14255 * basic-block.h: Declare them.
14257 * bitmap.h: Protect from multiple inclusion.
14259 * recog.c (scratch_operand): Handle VOIDmode correctly.
14261 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
14263 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
14264 * function.c (assign_parms): Likewise.
14265 * global.c (global_conflicts): Clarify STACK_REGS commentary.
14267 * reg-stack.c (max_uid): Remove.
14268 (blocks, block_begin, block_end, block_drops_in): Remove.
14269 (block_stack_in, block_out_reg_set, block_number): Remove.
14270 (struct block_info_def, BLOCK_INFO): New.
14271 (enum emit_where): New.
14272 (current_block): New.
14273 (BLOCK_NUM): Remove.
14274 (mark_regs_pat, record_label_references): Remove.
14275 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
14277 (goto_block_pat, print_blocks, dump_stack_info): Remove.
14278 (reg_to_stack): Simplified test for existance of fp code. Use
14279 flow.c code. Call shorten_branches after cross-jump opt.
14280 (check_asm_stack_operands): Renamed from record_asm_reg_life.
14281 Return false if the asm doesn't use stack regs. Don't do life
14282 analysis on the asm.
14283 (emit_pop_insn): Replace function pointer arg `when' with
14284 enum `where'. Update all callers.
14285 (change_stack): Likewise. Update basic block end.
14286 (emit_swap_insn): Use current_block->head to limit reverse search
14287 for start of block. Use emit_block_insn_after.
14288 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
14289 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
14290 structure assignment instead of bcopy.
14291 (print_stack): New.
14292 (convert_regs_entry, convert_regs_exit): New.
14293 (convert_regs_1, convert_regs_2): Split out from convert_regs.
14294 Work on basic blocks and the CFG.
14295 (convert_regs): Use them.
14297 * i386.c (output_fix_trunc): Remove code for DImode input operand
14298 not at top-of-stack.
14299 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
14301 (fix_truncdi_1): Allow any mode scratch.
14303 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
14305 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
14306 * linux.h, netbsd.h, vms.h: Not here.
14308 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
14310 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
14311 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
14312 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
14313 CONDITIONAL_REGISTER_USEAGE): Use them.
14314 * config/mips/mips.c (mips_move_1word,mips_move_2words,
14315 gen_conditional_branch,override_options) : Use them.
14316 * config/mips/mips.md : Use them.
14318 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
14320 * i386.md (zero_extendqihi2): Use SImode register name with andl.
14322 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
14324 * integrate.c (function_cannot_inline_p): Don't allow inlining
14327 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14329 * c-parse.in (cast_expr): Constify.
14331 * cccp.c (special_symbol): Likewise.
14333 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
14335 * dwarf2out.c (base_type_die): Likewise.
14337 * global.c (allocno_compare): Likewise.
14339 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
14341 * regclass.c (fix_register): Likewise.
14343 * rtl.h (fix_register): Likewise.
14345 * stupid.c (stupid_reg_compare): Likewise.
14347 * toplev.c (decode_f_option): Likewise.
14349 * tree.c (build_complex_type): Likewise.
14351 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
14353 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
14355 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14357 * reload.c (find_reloads): Compute mode and nregs fields of all
14359 * reload1.c (calculate_needs_all_insns): Simplify a bit.
14360 (calculate_needs): Use precomputed mode/nregs values.
14361 (allocate_reload_reg): Likewise.
14363 (failed_reload, set_reload_reg): ... new functions.
14364 (choose_reload_regs_init): New function, mostly broken out from...
14365 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
14366 Also lose one #if 0 block.
14368 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
14370 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
14373 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
14375 * tree.h (BLOCK_TYPE_TAGS): Remove.
14376 (BLOCK_END_NOTE): Likewise.
14377 (BLOCK_LIVE_RANGE_FLAG): Likewise.
14378 (BLOCK_LIVE_RANGE_START): Likewise.
14379 (BLOCK_LIVE_RANGE_END): Likewise.
14380 (tree_block): Remove live_range_flag, live_range_var_flag, and
14381 type_tags. Remove end_note, live_range_start, and live_range_end.
14382 (remember_end_note): Remove prototype.
14383 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
14384 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
14386 * ggc-common.c (ggc_mark_tree_children): Don't mark
14387 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
14388 * integrate.c (adjust_copied_decl_tree): Remove.
14389 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
14390 * stmt.c (last_block_end_note): Remove.
14391 (init_stmt): Don't add a GC root for it.
14392 (expand_fixup): Don't set it.
14393 (remember_end_note): Remove.
14394 (expand_end_bindings): Don't set last_block_end_note.
14396 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14398 * reload1.c (reload_reg_free_for_value_p): Show
14399 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
14402 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
14404 * expmed.c (extract_bit_field): Allow for the case of non-integer
14405 objects that are smaller than a word (like SFmode on a 64-bit
14408 * loop.c (basic_induction_var): A non-integer variable which is
14409 being set by a paradoxical subreg is probably not a biv.
14411 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14413 * prefix.c (translate_name) Check for empty prefix string.
14415 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
14417 * Makefile.in (CPP_CROSS_NAME): New variable.
14418 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
14420 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
14421 names of the files to be uninstalled.
14423 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
14425 * collect2.c (IS_DIR_SEPARATOR): Define.
14426 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
14428 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
14431 * haifa-sched.c (add_dependence): Update the true dependency
14432 cache the first time we add a true dependence to the LOG_LINKS chain.
14434 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
14436 * fold-const.c (fold): Fix comment.
14438 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14440 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
14441 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
14442 dbxout_start_new_source_file, dbxout_source_file,
14443 dbxout_source_line, dbxout_finish, dbxout_type_fields,
14444 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
14446 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
14447 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
14448 (dbxout_block): Initialize variable `blocknum'.
14450 * dbxout.h (dbxout_init, dbxout_finish,
14451 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
14452 dbxout_args, dbxout_source_line): Constify a char*.
14454 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
14455 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
14456 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
14457 low_pc_attribute, high_pc_attribute, body_begin_attribute,
14458 body_end_attribute, comp_dir_attribute, sf_names_attribute,
14459 src_info_attribute, mac_info_attribute, producer_attribute,
14460 lookup_filename, generate_macinfo_entry, fundamental_type_code,
14461 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
14462 dwarfout_undef): Constify a char*.
14463 (add_incomplete_type, retry_incomplete_types): Add prototypes.
14465 * dwarfout.h (dwarfout_define, dwarfout_undef,
14466 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
14468 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
14470 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
14471 (MULTILIB_ISA_DEFAULT): New.
14472 (MULTILIB_DEFAULTS): Use it.
14473 * config/mips/mips.c (): Remove the now unnecessary definition
14474 of MIPS_ISA_DEFAULT.
14475 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
14476 unnecessary definition.
14478 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
14480 * arm.md (pic_load_addr): Add constraints to operand 1.
14482 1999-10-25 Bruce Korb <autogen@linuxbox.com>
14484 * fixinc/genfixes: Provide a means for specifying -D options to
14487 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
14489 * arm.c (arm_override_options): Correct initialization of
14490 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
14491 arm_is_strong, and arm_is_6_or_7.
14493 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
14494 (note_set_pseudo_multiple_uses): New function.
14495 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
14496 if a pseudo set in the loop exit is used elsewhere.
14498 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
14500 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
14502 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
14504 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
14505 a single load-address pattern.
14507 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
14509 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
14510 depending on whether or not line-number notes are present.
14512 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14514 * cccp.c (progname, file_buf, default_include, include_file,
14515 macrodef, definition, hashval, wchar_type, user_label_prefix,
14516 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
14517 expand_to_temp_buffer, is_system_include, base_name,
14518 absolute_filename, read_name_map, open_include_file,
14519 record_control_macro, check_precompiled, check_preconditions,
14520 pcfinclude, pass_thru_directive, create_definition,
14521 check_macro_name, comp_def_part, collect_expansion,
14522 check_assertion, read_token_list, assertion_install,
14523 assertion_lookup, eval_if_expression, conditional_skip,
14524 validate_else, skip_quoted_string, quote_string, macarg1,
14525 error_from_errno, install, lookup, hashf, dump_defn_1,
14526 perror_with_name, pfatal_with_name, main, trigraph_pcp,
14527 check_white_space, rescan, handle_directive, monthnames,
14528 special_symbol, do_include, remap_include_file, write_output,
14529 arglist, do_assert, do_unassert, do_line, do_error, do_once,
14530 do_ident, do_sccs, do_xifdef, skip_if_group,
14531 output_line_directive, macroexpand, macarg, change_newlines,
14532 initialize_builtins, make_definition): Constify a char*.
14534 * pcp.h (stringdef): Likewise.
14536 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
14538 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
14541 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
14542 Richard Henderson <rth@cygnus.com>
14544 * alias.c: Include ggc.h.
14545 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
14546 (record_set): Verify enough room in reg_base_value.
14547 (init_alias_analysis): Allocate reg_base_value with xcalloc.
14548 Register it as a GC root.
14549 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
14550 * Makefile.in (alias.o): Depend on ggc.h.
14552 * unroll.c (unroll_loop): Verify the insn before a barrier
14553 is a JUMP_INSN before checking JUMP_LABEL.
14555 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14557 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
14558 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
14559 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
14560 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
14561 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
14562 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
14564 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14566 * output.h (ctors_section, dtors_section, bss_section): Prototype.
14568 * alpha/alpha-interix.h (text_section): Delete prototype.
14569 * alpha/elf.h (text_section): Likewise.
14570 * arm/linux-elf.h (text_section): Likewise.
14571 * arm/linux-telf.h (text_section): Likewise.
14572 * c4x/c4x.h (text_section): Likewise.
14573 * dsp16xx/dsp16xx.h (bss_section): Likewise.
14574 * elfos.h (text_section): Likewise.
14575 * i386/aix386ng.h (text_section): Likewise.
14576 * i386/i386-interix.h (text_section): Likewise.
14577 * i386/sco5.h (text_section): Likewise.
14578 * i386/svr3gas.h (text_section): Likewise.
14579 * nextstep.h (text_section): Likewise.
14580 * psos.h (text_section): Likewise.
14581 * ptx4.h (text_section): Likewise.
14582 * svr3.h (text_section): Likewise.
14583 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
14585 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14587 * final.c (peephole): Delete prototype.
14589 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
14590 (pre_insert_copies): Remove unused variable `bb'.
14592 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
14595 * output.h (peephole): Add prototype.
14597 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
14599 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
14602 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
14604 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
14605 for inlined declarations.
14607 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
14609 * arm.c (logical_binary_operator): New fucntion.
14610 * arm.h (logical_binary_operator): Declare it.
14611 (PREDICATE_CODES): Handle logical_binary_operator.
14612 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
14613 output constraints. Add appropriate splitters.
14614 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
14615 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
14616 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
14618 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14620 * genoutput.c (struct operand_data): New elt eliminable.
14621 (output_operand_data): Write it.
14622 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
14623 (compare_operands): Take it into account.
14624 * recog.h (struct insn_operand_data): New elt eliminable.
14625 * reload1.c (check_eliminable_occurrences, elimination_effects): New
14627 (old_asm_operands_vec, new_asm_operands_vec): Delete.
14628 (eliminate_regs): Move code that detects changes to elimination
14629 target regs into new function elimination_effects.
14630 Delete one #if 0 block.
14631 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
14632 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
14633 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
14634 Only call eliminate_regs for real operands of the insn, not for parts
14635 of its structure or parts matched by things like match_operator.
14636 Use elimination_effects and check_eliminable_occurrences. Use
14637 copy_insn to duplicate the pattern when not in the final pass.
14639 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
14641 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
14644 1999-10-22 Bruce Korb <autogen@linuxbox.com>
14646 * fixinc/README: document the "mach" machine matching test
14647 * fixinc/fixfixes.c: Implement the #else/#endif label fix
14648 * fixinc/fixtests.c: Implement the #else/#endif label test
14649 * fixinc/inclhack.def: utilize these tests and fixes
14650 * fixinc/inclhack.sh: regen
14651 * fixinc/fixincl.x: regen
14652 * fixinc/fixincl.sh: regen
14654 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
14656 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
14659 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
14661 * gcc.1: Document exit codes.
14663 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14665 * calls.c: Include tm_p.h later, so everything we need is defined.
14666 * expr.c: Likewise.
14667 * function.c: Likewise.
14669 * except.c: Include tm_p.h.
14671 * sparc.c: Likewise.
14672 (dwarf2out_cfi_label): Don't prototype.
14673 (check_return_regs, epilogue_renumber,
14674 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
14675 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
14676 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
14677 ultra_schedule_insn): Add static prototype.
14678 (data_segment_operand, text_segment_operand): Call itself with the
14679 proper number of arguments.
14680 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
14682 * sparc.h: Move all declarations to sparc-protos.h.
14683 (SELECT_RTX_SECTION): Pass a missing MODE argument to
14686 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
14688 * config/svr4.h (text_section, ctors_section, dtors_section): Add
14690 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
14691 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
14692 ASM_OUTPUT_ASCII): Constify a char*.
14694 * sparc-protos.h: New file for sparc prototypes.
14696 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14698 * function.c (record_insns, contains): Always declare and define.
14699 (record_insns): Mark with ATTRIBUTE_UNUSED.
14701 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
14703 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
14704 to .section when outputting a .bss section to deal with multiple
14705 .bss input sections (as happens with -fdata-sections)
14706 Also output %progbits, not @progbits so the assembler doesn't treat as
14708 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
14710 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
14711 thumb parts even when building with non-thumb CPUs, by forcing
14714 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
14716 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
14717 (movdf_const_intreg_sp64): Similarly.
14719 * local-alloc.c (update_equiv_regs): Check the correct insn
14720 for pre-existing REG_EQUIV notes.
14722 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
14724 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
14725 block reached by a branch if we're not going to actually process
14728 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
14730 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
14731 a local extern function declaration.
14733 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
14735 * i386.c (ix86_expand_prologue): Properly wrap USE around
14736 reg for CALL_INSN_FUNCTION_USAGE.
14738 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
14740 * config/mips/mips.md (movdf_internal1a): Allow floating-point
14741 move between GP_REGs.
14743 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
14745 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
14746 the mode size when finding out if an offset is legal.
14748 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
14750 * basic-block.h (PROP_*): Move constants from ...
14751 * flow.c: ... here.
14752 (compute_bb_for_insn): Free the array before reallocating.
14753 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
14754 (allocate_reg_life_data): Reset all reg variables collected by
14756 (get_block_head_tail): Don't convert from bb to block.
14757 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
14758 (find_insn_reg_weight): Take block not bb.
14759 (schedule_block): Don't set block num for moved insns.
14760 (schedule_region): Don't update_life_info or find_insn_reg_weight.
14761 (schedule_insns): Do it here instead.
14762 * combine.c (combine_instructions): Invoke compute_bb_for_insn
14763 before update_life_info.
14764 * recog.c (split_all_insns, peephole2_optimize): Update for
14765 new arg to update_life_info.
14766 * rtlanal.c (remove_note): Cope with NULL note.
14767 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
14770 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
14772 * jump.c (jump_optimize_1): More accurately detect casesi insns.
14774 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
14775 block records so that merge_blocks_nomove will clean up correctly.
14776 (split_edge): Handle casesi insns.
14778 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
14780 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
14782 * pa.md (call, call_value): Do not emit a blockage after restoring
14785 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
14787 * c-typeck.c (c_expand_asm_operands): Fix typo.
14789 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14791 * arm.c (fpu_rhs_operand): Verify modes.
14792 (fpu_add_operand): Likewise.
14793 (di_operand): Likewise.
14794 (soft_df_operand): Likewise.
14796 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
14798 * arm.c (arm_return_in_memory): APCS rules state that the elements
14799 of a structure returned in a register must be 'integer-like'.
14801 1999-10-19 Bruce Korb <autogen@linuxbox.com>
14803 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
14804 in the source tree when the generated targets are out of date
14805 * fixinc/genfixes: Alter it to run individual fixes for make.
14806 * fixinc/README: rewrite
14807 * fixinc/inclhack.def: moved initial comments to README
14809 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
14811 * toplev.c (main): Do not generate an error message if an
14812 unrecognised command line switch is recognisable by another
14813 language. If extra_warnings are enabled, then generate a
14814 warning message instead.
14816 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
14818 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
14819 (insert_pack_attributes): Delete prototype.
14821 * c-pragma.c (default_alignment): New static variable.
14822 (push_alignment): Initialize to current effective alignment.
14823 (pop_alignment): Use to set new alignment.
14824 (insert_pack_attributes): Delete function.
14825 (handle_pragma_token): Set default_alignment as well each time
14826 a #pragma pack(<n>) is encountered.
14828 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
14830 * reg-stack.c (stack_result): Aggregates are not returned in
14833 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
14835 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
14837 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
14839 * basic-block.h (set_block_num): Declare.
14840 * flow.c (update_life_info): Don't call compute_bb_for_insn
14841 or free_basic_block_vars.
14842 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
14843 (insn_orig_block): Remove.
14844 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
14845 (schedule_block): Keep BLOCK_NUM up-to-date.
14846 (schedule_insns): Use compute_bb_for_insn.
14847 * recog.c (split_all_insns): Likewise.
14848 (peephole2_optimize): Likewise.
14850 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
14852 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
14853 if the pic register is used.
14855 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14857 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
14858 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
14859 if that tests TREE_PERMANENT.
14861 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
14863 * cse.c (invalidate_for_call): Do not remove memory references from
14864 the table here. It's handled elsewhere.
14866 * haifa-sched.c (add_dependence): Protect references to the
14867 true dependency cache with #ifdef INSN_SCHEDULING.
14868 (remove_dependence): Similarly.
14870 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
14871 to the cfg code that this is a return instruction.
14872 * mn10300.md (return_internal): Similarly.
14874 * combine.c (get_last_value): If the last set of a register
14875 is after subst_low_cuid, then we can not use it to determine
14876 the register's last value.
14878 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
14880 * Makefile.in: Back out previous change.
14882 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
14884 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
14886 * haifa-sched.c (add_dependence): Only check/update the cache
14888 (remove_dependence): Likewise.
14889 (schedule_insns): Only create the true_dependency_cache if the
14890 average number of instructions in a basic block is very large.
14892 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
14894 * Makefile.in (ggc-common.o): Depend on genrtl.h.
14895 (ggc-simple.o): Likewise.
14896 (ggc-page.o): Likewise.
14898 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
14900 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
14901 Prototype for exported functions.
14902 (pre_lcm, pre_rev_lcm): Remove prototypes.
14903 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
14904 (compute_available): Move to lcm.c, and change parameter order.
14905 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
14906 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
14907 (gcse_main): No longer call compute_preds_succs. Rebuild the
14908 set table after reach pre pass.
14909 (pre_insert_map, pre_delete_map, edge_list): New.
14910 (alloc_pre_mem): Allocate edge vectors.
14911 (free_pre_mem): Delete edge vectors.
14912 (compute_pre_data): Call new edge based lcm routines.
14913 (process_insert_insn): New function.
14914 (insert_insn_end_bb): Use it.
14915 (pre_edge_insert): New function.
14916 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
14918 (pre_insert_copies): Revamp using new edge based lcm outputs.
14919 (pre_delete): Likewise.
14920 (one_pre_gcse_pass): Insert & remove fake edges to the exit
14922 (compute_code_hoist_vbeinout): New new edge based routines.
14923 * lcm.c: Remove all the old LCM functions. Replace with new ones
14924 that work with the new cfg datastructures and work with edges
14927 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14929 * reload.h (struct reload): Add new fields "mode" and "nregs".
14930 * reload1.c: Change all occurrences of reload_mode and reload_nregs
14931 to reference the "mode" and "nregs" field within struct reload.
14933 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
14935 * haifa-sched.c (true_dependency_cache): New.
14936 (add_dependence): Use the true dependency cache to avoid expensive
14937 walks down the LOG_LINKS dependency list. Add entries to the
14938 cache as necessary.
14939 (remove_dependence): Remove entries from the true dependency cache
14941 (schedule_insns): Allocate and initialize and free the true
14944 * haifa-sched.c (schedule_insns): Do not remove inter-block
14945 dependencies anymore.
14947 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
14949 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
14950 * i386/t-winnt: Likewise.
14952 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
14954 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
14956 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
14958 * Makefile.in (LANGUAGES): Omit "proto".
14959 (clean): Remove stale comment about removing unprotoize.c.
14961 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14963 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
14964 using arithmetic on void pointers.
14966 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
14968 * haifa-sched.c (compute_block_forward_dependencies): Only check
14969 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
14971 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
14973 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
14974 (expr_equiv_p): Reject memories with different alias sets.
14976 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
14978 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
14979 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
14980 (f_options): Add "bounded-pointers" and "bounds-check" entries.
14981 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
14982 (lang_init): Set default for flag_bounds_check if still "unspecified".
14984 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14986 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
14988 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14990 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
14993 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14995 * config/c4x/c4x.md (*db_noclobber,
14996 *decrement_and_branch_until_zero_noclobber): New patterns and
14997 associated splitters.
14999 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15001 * config/c4x/c4x.md (parallel instruction patterns): Rework
15002 constraints to keep reload happy.
15004 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15006 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
15007 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
15008 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
15009 Add new patterns and associated post-reload splitters.
15011 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15013 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
15015 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15017 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
15019 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
15021 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15023 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
15026 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
15028 * pa.c (move_operand): Rely on memory_address_p to determine the
15029 validity of non-indexed memory addresses.
15030 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
15031 operand in DFmode and SFmode when generating PA2.0 code.
15033 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
15035 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
15037 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
15039 * mips.c (function_prologue): Fix argument types.
15040 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
15041 (casesi_internal): Write to the scratch register.
15043 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
15045 * cppexp.c (cpp_parse_escape): Make static. Change second arg
15047 (parse_charconst): Delete unnecessary cast when calling
15049 (cpplib.h): Kill prototype of cpp_parse_escape.
15051 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
15053 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
15054 * unroll.c (unroll_loop): Cast return value of alloca.
15055 * i370/i370.c: Include function.h and toplev.h.
15056 (i370_label_scan): Remove c++ commented abort.
15057 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
15058 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
15059 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
15060 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
15062 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
15064 * config/t-freebsd: Do not override USER_H.
15065 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
15067 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
15068 Mumit Khan <khan@xraylith.wisc.edu>
15070 * c-parse.in (component_decl): Support anonymous struct/union.
15072 * c-parse.y: Regenerate.
15073 * c-parse.c: Likewise.
15074 * objc/objc-parse.y: Likewise.
15075 * objc/objc-parse.c: Likewise.
15076 * c-decl.c (finish_struct): Don't sort the fields.
15077 (field_decl_cmp): Delete unused function.
15079 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
15081 * sparc.md (movsf_const_intreg): Revert last constraint change.
15082 (movdf_const_intreg_sp32): Likewise.
15084 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
15086 * cse.c: Include hashtab.h instead of splay-tree.h
15087 (struct cse_reg_info): No longer use variant union. Add new
15088 field "regno". All references changed to avoid union.
15089 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
15090 (free_cse_reg_info): Remove.
15091 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
15092 (get_cse_reg_info): Revamp to use expandable hash tables instead
15093 of splay trees. Initialize new fields in cse_reg_info structure.
15094 (new_basic_block): Similarly.
15096 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
15098 * genrecog.c (message_with_line): Prototype.
15099 (validate_pattern): Pass along the set for the dest, not a flag.
15100 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
15101 Check for PC/CC0 as sources.
15102 (nodes_identical): Check for children position match before
15103 allowing the combination.
15105 * rtl.c (read_rtx): Track line number across \\\n.
15107 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
15109 * mips.h (SPECIAL_MODE_PREDICATES): New.
15110 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
15111 (movdi+1, movsi+1): Add output reload constraint.
15112 (casesi_internal): Likewise. Fix commentary.
15113 (return_internal): Use pmode_register_operand.
15115 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
15117 * 1750a.md (movstrqi): Add missing output reload constraint.
15118 (call_value): Likewise.
15119 * a29k.md (cpxxx patterns): Add missing match_operator mode.
15120 (jmpfdec): Add missing inout reload constraint.
15121 * elxsi.md (addsi patterns): Add missing output reload constraint.
15122 (move from sp): Use @ alternates.
15123 (call_value): No constraint on output.
15124 * fr30.md (movsi_pop): Add missing output reload constraint.
15125 (movsf_constant_store): Likewise.
15126 (splits): Remove constraints.
15127 (subsi3): Add missing mode.
15128 * i370.md (cmpstrsi+1): Add missing output reload constraint.
15129 (call_value): Likewise.
15130 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
15131 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
15132 * m32r.md (movsicc_internal): Add output reload constraint.
15133 (movstrsi_internal): Add inout reload constraints.
15134 * m88k.h (reg_names): Don't declare.
15135 (SPECIAL_MODE_PREDICATES): New.
15136 * m88k.md (*): Use register_operand not reg_or_0_operand
15138 * mn10200.h (PREDICATE_CODES): New.
15139 * ns32k.md (ffs pattern): Add output reload constraint.
15140 * pdp11.md (sob pattern): Add inout reload constraint.
15141 * sh.md (splits): Remove constraints.
15142 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
15143 * v850.md (pattern_is_ok_for_epilogue): Likewise.
15144 * vax.md (jgequ pattern): Add inout reload constraint.
15146 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
15148 * configure.in (djgpp): Revert previous patch.
15149 * configure: Rebuit.
15150 * config/i386/djgpp.h: Revert previous patch.
15152 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
15154 * fixinc/inclhack.def: Restore patch lost during last merge of
15155 "no_bogosity" branch.
15156 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
15158 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
15160 * fixincludes: Add a HPUX 11 fix for inttypes.h.
15161 * fixinc/inclhack.def: Same.
15162 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
15164 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
15166 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
15167 as the base of a PLUS.
15169 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15171 * config/c4x/c4x.md: Define mode for remaining unspec operators.
15172 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
15174 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
15176 * pa.md (post_stw+1): Use pmode_register_operand.
15177 (dcacheflush, icacheflush): Likewise.
15179 * i386.md (movstricthi_1): Allow r/r.
15181 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
15183 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
15184 to (not (and (arg0) (arg1))). Similary for and.
15186 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
15187 fallthrough to associate code.
15188 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
15191 * combine.c (simplify_logical): Convert XOR to IOR if operands have
15192 no bits in common; remove XOR to ROTATE conversion.
15194 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15196 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
15198 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15200 * config/c4x/c4x.c (dst_operand): New.
15201 (PREDICATE_CODES): Update.
15202 * config/c4x/c4x.h (dst_operand): Declare it.
15203 * config/c4x/c4x.md: Define mode for each unspec usage.
15204 (move patterns): Use dst_operand predicate instead of src_operand.
15205 (movqi_update, movqf_update): Delete.
15207 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
15209 * recog.c (pmode_register_operand): New.
15210 * recog.h: Declare it.
15211 * genrecog.c (pred_codes): Likewise.
15212 (special_mode_pred_table): Likewise.
15213 (validate_pattern): Don't warn no mode for address_operand.
15215 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
15216 if the operand is not insn-like.
15218 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
15219 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
15221 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
15223 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
15225 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
15226 instead of general_operand in a SET_DEST. Use const_double_operand
15227 instead of an explicit test against CONST_DOUBLE.
15228 (movsf_const_lo): Add missing register mode.
15229 (goto_handler_and_restore): Add auxiliary test for Pmode.
15230 (flush): Adjust to use address_operand.
15231 (return_sf_no_fpu): Add missing output constraint.
15233 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
15235 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
15236 for call return value.
15237 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
15239 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
15241 * toplev.c (main): Only warn about options for other languages.
15242 * collect2.c (main): Pass -w to sub-gcc.
15244 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
15246 * flow.c (propagate_block): Add call-clobbered registers to
15249 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
15250 zapping mem_set_list.
15251 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
15252 (mark_set_1, mark_used_regs): Likewise.
15254 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
15256 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
15258 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15260 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
15261 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
15262 options. Also add a new item "C-only Warning Options" to the
15265 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
15267 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
15268 from multiple calls.
15270 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
15272 * i386.md (call value patterns): Move to the end of the file.
15273 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
15275 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
15277 * configure.in (djgpp configuration): Define extra_objects..
15278 * configure: Rebuilt.
15279 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
15280 (DTORS_SECTION_ASM_OP): Define.
15281 (INIT_SECTION_ASM_OP): Define.
15282 (FINI_SECTION_ASM_OP): Define.
15283 (DATA_SECTION_ASM_OP): Define.
15284 (TEXT_SECTION_ASM_OP): Define.
15285 (EH_FRAME_SECTION_ASM_OP): Define.
15286 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
15287 (STARTFILE_SPEC): Add crtbegin.o.
15288 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
15289 to here from LINK_COMMAND_SPEC.
15290 (DO_GLOBAL_CTORS_BODY): Define.
15291 (CRTSTUFF_USE_FINI_SECTION): Define
15292 (HAS_INIT_SECTION): Delete.
15294 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
15296 * Makefile.in (all.cross): Depend on xcpp$(exeext).
15298 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
15300 * pa.h (PREDICATE_CODES): New.
15302 * genrecog.c (validate_pattern): Condense the destination
15303 non-lvalue message.
15305 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
15307 * alpha.md (call-1): Supply missing mode for operator.
15308 (*): Add missing output reload constraints. Remove constraints
15309 from define_splits.
15311 * i386.h (SPECIAL_MODE_PREDICATES): New.
15312 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
15313 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
15314 (addsi_lea_3): Add missing mode for op 3.
15315 (prologue_set_got, prologue_get_pc): Add missing modes.
15316 (*) Add missing output reload constraints.
15318 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
15320 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
15321 check for member bit-size overflow and use var_size if it occurs.
15322 (layout_record): Use bitsize_int() to define the type size in bits.
15323 Likewise for computation and assignment to DECL_FIELD_BITPOS.
15324 (layout_decl): Likewise when assigning to DECL_SIZE.
15326 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
15328 * genrecog.c (validate_pattern): Typo last change. Verify
15329 that output operands have output reloads.
15331 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
15333 * genrecog.c (special_mode_pred_table): New.
15334 (NUM_SPECIAL_MODE_PREDS): New.
15335 (find_operand): New.
15336 (validate_pattern): New argument `insn'. Warn for assignment to
15337 any predicate accepting non-lvalues. Conditionaly warn for
15338 match_operand without a mode. Try much harder to match source
15339 and destination modes on a set.
15340 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
15342 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
15344 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
15346 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
15348 * combine.c (simplify_logical): Recognize xor pattern that encodes
15351 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15353 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
15356 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
15358 * ggc-page.c (MAP_FAILED): Provide default.
15360 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
15362 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
15363 * sparc.h (PREDICATE_CODES): Update.
15365 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
15367 * alpha.c (some_ni_operand): New.
15368 * alpha-protos.h: Declare it.
15369 * alpha.h (PREDICATE_CODES): Update.
15370 * alpha.md (sXaddq reload insns): Use some_ni_operand
15371 for SET_DEST instead of some_operand.
15373 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
15374 Jim Wilson <wilson@cygnus.com>
15376 * genrecog.c (maybe_both_true_2): Don't compare modes of
15378 (process_tree): Elide peephole2_insns. Invoke simplify_tests
15379 after find_afterward.
15380 (debug_decision_1): Dump next and afterward codes.
15382 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
15384 * rtl.c (dump_and_abort): Remove.
15385 (fatal_with_file_and_line): New.
15386 (fatal_expected_char): New.
15387 (read_rtx_lineno, read_rtx_filename): New.
15388 (read_skip_spaces): Track line number.
15389 (read_name): Use fatal_with_file_and_line.
15390 (read_rtx): Use fatal_expected_char. Track line number.
15391 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
15393 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
15394 if it isn't a CODE_LABEL.
15396 * genattr.c (main): Set read_rtx_filename.
15397 * genattrtab.c (main): Likewise.
15398 * gencodes.c (main): Likewise.
15399 * genconfig.c (main): Likewise.
15400 * genemit.c (main): Likewise.
15401 * genextract.c (main): Likewise.
15402 * genflags.c (main): Likewise.
15403 * genopinit.c (main): Likewise.
15404 * genoutput.c (main): Likewise.
15405 * genpeep.c (main): Likewise.
15407 * genrecog.c (decision_test.u.insn): Add `lineno'.
15408 (pattern_lineno, error_count): New variables.
15409 (message_with_line): New.
15410 (add_to_sequence): Break out checking code to ...
15411 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
15412 (merge_insn): Use message_with_line.
15413 (make_insn_sequence): Use validate_pattern. Record insn lineno.
15414 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
15416 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15418 * expr.c (store_constructor): Clear union if constructor is empty.
15420 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
15422 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
15423 Add !endian checks. Change %{...} to %(...).
15425 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
15427 * i386.md (*addsi3_cc): Renamed from addcsi3.
15428 (*addsi3_carry): Renamed from addxsi3.
15429 (*subsi3_cc): Renamed from subcsi3.
15430 (*subsi3_carry): Renamed from subxsi3.
15431 (*xorqi_cc_1): Renamed from xorcqi_1.
15432 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
15433 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
15435 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
15437 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
15438 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
15440 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
15442 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
15443 climb up the chain of insns.
15445 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
15447 * genrecog.c (write_subroutine): Careful for null trees.
15448 (process_tree): Don't elide empty functions.
15450 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
15452 * Makefile.in (genrtl.o): Depend on ggc.h.
15453 * configure.in (valloc): Probe for it.
15454 (with-gc): Use ggc-page if valloc present.
15455 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
15456 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
15457 (ggc_alloc_string): Moved from ggc-page.c.
15458 * ggc-none.c (ggc_alloc_obj): New.
15459 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
15460 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
15461 (struct globals): Likewise for dev_zero_fd.
15462 (init_ggc): Likewise for it's initialization.
15463 (ggc_allocated_p): Move careful dereference from ...
15464 (ggc_lookup_page_table): ... here. Delete.
15465 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
15466 (alloc_anon): Use valloc if no mmap.
15467 (release_pages): Use free if using valloc.
15468 (ggc_alloc_obj): Renamed from alloc_obj.
15469 (ggc_set_mark): Renamed from mark_obj.
15470 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
15471 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
15472 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
15473 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
15474 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
15475 (ggc_collect): Use fp printing instead of our own rounding.
15476 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
15477 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
15478 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
15479 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
15480 (struct ggc_string, struct ggc_any): Delete.
15481 (offsetof): Provide default definition.
15482 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
15484 (struct ggc_mem): New, from corpse of ggc_any.
15485 (struct ggc_status): Delete.
15486 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
15487 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
15488 (n_strings_collected, n_anys_collected): Delete.
15489 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
15490 (ggc_alloc_string, ggc_alloc): Delete.
15491 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
15492 (ggc_free_string, ggc_free_any): Delete.
15493 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
15494 (ggc_compare_addresses, ggc_mark_string): Delete.
15495 (ggc_mark_string_if_gcable, ggc_mark): Delete.
15496 (search_data): Delete.
15497 (struct globals): New.
15498 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
15499 (tree_insert, tree_lookup): New.
15500 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
15501 (clear_marks, sweep_objs): New.
15502 (ggc_collect): Gut. Use clear_marks, sweep_objs.
15503 (init_ggc): Set allocated_last_gc.
15504 (ggc_push_context): Gut. Use G.context.
15505 (ggc_pop_context): Likewise.
15506 (ggc_pop_context_1): New.
15507 (debug_ggc_tree): New.
15508 (debug_ggc_balance, tally_leaves): New.
15509 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
15510 (ggc_mark_string_if_gcable): Remove decl.
15511 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
15512 (ggc_mark_rtvec_children): New.
15513 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
15514 (ggc_mark_if_gcable): New decl.
15515 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
15516 (ggc_alloc_tree, ggc_alloc): Likewise.
15517 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
15518 (ggc_alloc_obj): New decl.
15519 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
15520 (ggc_alloc_tree, ggc_alloc): Likewise.
15521 (ggc_set_mark): New decl.
15522 * rtl.h (struct rtx_def): Remove gc_mark.
15523 (struct rtvec_def): Likewise.
15524 * tree.h (struct tree_common): Likewise.
15526 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
15528 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
15529 float_format and thread_file definitions.
15530 * configure: Rebuilt.
15532 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
15534 * extend.texi (Function Names): Document types of function names.
15536 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15538 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
15539 an earlyclobbered output conflict with RELOAD_INPUT reloads.
15541 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15543 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
15545 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15547 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
15549 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
15551 * collect2.c (main): Do prelimnary link on AIX if rflag.
15553 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
15555 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
15556 __CTOR_LIST__ in opposite order, which is the correct order for sorted
15558 (__do_global_dtors): similarly for __DTOR_LIST__.
15560 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15561 Diego Novillo <dnovillo@cygnus.com>
15563 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
15566 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
15568 * fixincl/*: Merged "no_bogosity" branch
15569 * fixincl/fixlib.h: protect against doubly defining t_bool
15570 * fixincl/server.h: protect against doubly defining t_bool
15572 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
15574 * genoutput.c: Include toplev.h.
15576 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
15578 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
15580 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
15581 * configure: Regenerate.
15583 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
15585 * gcse.c (delete_null_pointer_checks): Returns void.
15587 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15589 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
15590 * emit-rtl.c (copy_insn_1): Likewise.
15592 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
15594 * config/mips/mips.c (mips_build_va_list): Correct
15595 TREE_CHAIN setting when hard-float.
15596 (mips_va_start): Use corrected setting.
15597 (mips_va_arg): Likewise. Also pass a tree to build of
15598 POSTINCREMENT_EXPR rather than a naked 'int'.
15600 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
15602 * ggc.h (ggc_push_context): Fix comment.
15603 (ggc_pop_context): Likewise.
15604 (mark_string_if_gcable): Likewise.
15605 * ggc-common.c (ggc_mark_rtx_children): Use
15606 ggc_mark_string_if_gcable.
15607 * ggc-page.c (ggc_lookup_page_table): New function.
15608 (ggc_allocated_p): Likewise.
15609 (mark_obj): Fix formatting.
15610 (ggc_mark_string_if_gcable): New function.
15611 * ggc-simple.c (ggc_allocated_strings): New variable.
15612 (ggc_strings_used): Likewise.
15613 (ggc_compare_addresses): New function.
15614 (ggc_pop_context): Pop the `any' memory too.
15615 (ggc_mark_string_if_gcable): New function.
15616 (ggc_collect): Initialize and tear down ggc_allocated_strings.
15618 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
15620 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
15621 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
15622 * rs6000.c (expand_block_move): Match movstrsi_?reg register
15625 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
15627 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
15628 (sched_reg_live_length, sched_reg_basic_block): Delete.
15629 (current_block_num, bb_live_regs, old_live_regs): Delete.
15630 (dead_notes, struct sometimes): Delete.
15631 (sched_note_set, birthing_insn_p): Delete.
15632 (adjust_priority): Gut useless reg lifetime code.
15633 (create_reg_dead_note, attach_deaths): Delete.
15634 (attach_deaths_insn, new_sometimes_live): Delete.
15635 (finish_sometimes_live): Delete.
15636 (find_pre_sched_live, find_post_sched_live): Delete.
15637 (update_reg_usage): Delete.
15638 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
15639 (schedule_insns): Delete reg lifetime code.
15640 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
15641 (unlink_other_notes): Adjust REG_NOTE commentary.
15642 (reemit_notes): Use REG_SAVE_NOTE.
15643 (schedule_block): Likewise.
15644 (schedule_region): Allocate bitmap of blocks in region. Use
15645 count_or_remove_death_notes. Use update_life_info.
15647 * rtl.h (REG_SAVE_NOTE): New.
15648 * rtl.c (reg_note_name): Update.
15650 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
15652 * combine.c (refresh_blocks, need_refresh): New.
15653 (combine_instructions): Allocate refresh_blocks. Invoke
15654 update_life_info if needed.
15655 (distribute_notes): Mark refresh_blocks instead of installing
15657 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
15658 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
15660 * Makefile.in (recog.o): Depend on basic-block.h.
15662 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
15664 * genrecog.c (add_to_sequence): Thinko last change: delete
15665 shadowing allow_const_int variable.
15667 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15669 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
15670 __GNUC__ and __GNUC_MINOR__.
15672 * gansidecl.h: Likewise.
15678 * toplev.h: Likewise.
15680 * tree.c: Likewise.
15682 * tree.h: Likewise.
15684 * varray.c: Likewise.
15686 * varray.h: Likewise.
15688 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15690 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
15691 use one before a jump table.
15693 * rtl.def (ADDRESS): Change documentation to match reality.
15694 * md.texi: Don't document it.
15695 * gmicro.md (load address pattern): Use 'p' constraint, delete use
15698 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
15700 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
15702 * genrecog.c (add_to_sequence): Move allow_const_int test outside
15703 known predicate block; default allow_const_int true.
15704 (debug_decision_list): New.
15706 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
15708 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
15710 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
15712 * gcse.c (gcse_main): Avoid global optimizations if we have a
15713 large number of basic blocks and the ratio of edges to blocks
15715 (delete_null_pointer_checks): Likewise.
15717 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
15719 * c-common.c (check_format_info): Warn if format string isn't a
15722 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
15724 * configure.in (arm*-*-*): Don't let autoconf remove brackets
15725 * configure: regenerate
15727 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
15729 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
15730 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
15731 (peepholes): Re-enable.
15733 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
15735 * Makefile.in (flow.o): Depend on TREE_H.
15736 * basic-block.h (REG_SET_EQUAL_P): New.
15737 (XOR_REG_SET): New.
15738 (n_edges): Declare.
15739 (free_regset_vector): Remove declaration.
15740 (flow_delete_insn_chain): Declare.
15741 (enum update_life_extent): New.
15742 (update_life_info, count_or_remove_death_notes): Declare.
15743 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
15744 Verify register live at bb->global_live_at_start before adding USE.
15745 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
15746 (CLEAN_ALLOCA): New.
15748 (PROP_*): New flags.
15749 (find_basic_blocks_1): Use alloc_EXPR_LIST.
15750 (clear_edges): Zero n_edges.
15751 (make_edge): Increment n_edges.
15752 (split_edge): Don't allocate bb->local_set. Increment n_edges.
15753 (flow_delete_insn_chain): Export.
15754 (delete_block): Decrement n_edges.
15755 (merge_blocks_nomove): Likewise.
15756 (life_analysis): Give life_analysis_1 PROP flags.
15757 (verify_wide_reg_1, verify_wide_reg): New.
15758 (verify_local_live_at_start): New.
15759 (update_life_info): Rewrite to call into propogate_block.
15761 (mark_regs_live_at_end): After reload, if epilogue as rtl,
15762 always mark stack pointer. Conditionally mark PIC register.
15763 After reload, mark call-saved registers, return regsiters.
15764 (life_analysis_1): Accept PROP flags not remove_dead_code.
15765 Call mark_regs_live_at_end before zeroing regs_ever_live.
15766 Use calculate_global_regs_live. Copy global_live_at_end before
15767 calling final propagate_block. Zero reg_next_use on exit.
15768 (calculate_global_regs_live): New.
15769 (allocate_bb_life_data): Don't allocate bb->local_set.
15770 (init_regset_vector, free_regset_vector): Remove.
15771 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
15772 Test flags before every operation. Warn if prologue/epilogue insn
15773 would have been deleted.
15774 (mark_set_regs, mark_set_1): Accept and use FLAGS.
15775 Use alloc_EXPR_LIST.
15776 (mark_used_regs): Accept and use FLAGS, not FINAL.
15777 Remove special handling for RETURN.
15778 (try_pre_increment): Use alloc_EXPR_LIST.
15779 (dump_flow_info): Dump n_edges.
15780 (unlink_insn_chain, split_hard_reg_notes): Remove.
15781 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
15782 (find_insn_with_note, new_insn_dead_notes): Remove.
15783 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
15784 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
15785 (replace_insns): Remove.
15786 (count_or_remove_death_notes): New.
15787 (verify_flow_info): Abort on error after all checks.
15788 (remove_edge): Decrement n_edges.
15789 (remove_fake_edges): Tweek format.
15790 * haifa-sched.c (schedule_insns): Use split_all_insns.
15791 * output.h (update_life_info): Remove declaration.
15792 * recog.c (split_all_insns): From the corpse of split_block_insns,
15793 do the whole function block by block. Use update_life_info.
15794 (recog_last_allowed_insn): New.
15795 (recog_next_insn): Mind it.
15796 (peephole2_optimize): Set it. Walk backwards through blocks.
15797 Use update_life_info.
15798 * rtl.h (update_flow_info, replace_insns): Remove declarations.
15799 (split_all_insns): Declare.
15800 * toplev.c (rest_of_compilation): Thread prologue before flow2.
15801 Use split_all_insns.
15803 * i386.md (or -1 peep2s): Disable.
15805 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
15807 * config/mips/mips.md (movstrsi+[123]) : Combine these into
15808 a single pattern. Scrap the 'd' versions as unnecessary.
15810 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
15811 tablejump_mips162,tablejump_internal4): The operands to a
15812 label_ref must be VOIDmode.
15814 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15816 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
15818 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
15820 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
15822 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
15824 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
15825 cache every function if ggc_p.
15827 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15829 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
15830 instead of copy_rtx. Accept sequences that contain asm statements.
15831 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
15832 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
15833 orig_asm_operands_vector, copy_asm_operands_vector,
15834 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
15836 * rtl.h (copy_insn, copy_insn_1): Declare.
15838 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15840 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
15842 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
15843 arguments to `current_file_function_operand'.
15845 * genrecog.c: Include hard-reg-set.h and resource.h in the
15846 generated output file.
15848 * real.c: Include tm_p.h.
15850 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15852 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
15855 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
15857 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
15858 before the fctiwz insn.
15860 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15861 Mark Mitchell <mark@codesourcery.com>
15863 * tree.c (make_lang_type_fn): New funtion pointer.
15864 (make_lang_type): Call it.
15865 * tree.h (make_lang_type): Declare.
15866 (make_lang_type_fn): Likewise.
15867 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
15869 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
15871 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
15872 make sure that HIGH instructions are copied into BASE_REGS.
15874 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
15876 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
15878 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
15880 * c-decl.c (finish_struct): Use simpler method of
15881 removing elements of a singly-linked list.
15883 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
15885 * alpha.md (peephole2's): Comment out peephole2's that generate
15888 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
15890 * genrecog.c (add_to_sequence): Disable mode check for
15893 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15895 * ggc-simple.c (init_ggc): Set empty_string.
15897 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
15899 * configure.in: Detect mmap. Add --with-gc=foo to select
15900 garbage collector; default to page if mmap available.
15901 * Makefile.in (GGC): Substitute.
15903 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
15905 * c-decl.c (ggc_p): Enable.
15907 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15909 * flow.c (verify_flow_info): Make it extern & unconditionally define.
15911 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
15913 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
15914 string for little-endian-data.
15916 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
15918 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
15919 case somebody tries to compile --enable-checking code with gcc
15922 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
15924 * genrecog.c (add_to_sequence): Verify operand to label_ref is
15927 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
15929 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
15930 * jump.c (jump_optimize_1): Document why.
15932 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15934 * collect2.c (scan_prog_file, scan_libraries): Prototype function
15935 pointers and casts for `int_handler' and `quit_handler'.
15937 * flow.c (verify_flow_info, split_hard_reg_notes,
15938 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
15939 remove_edge, remove_fake_successors): Add static prototypes.
15940 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
15941 (mark_set_1): Initialize variable `regno'.
15942 (unlink_insn_chain): Likewise for variable `curr'.
15943 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
15945 * loop.c (strength_reduce): Initialize variable
15946 `unrolled_insn_copies'.
15947 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
15948 prototypes. Change these functions to take const PTR parameters
15949 to avoid prototype conflict when used as the comparson argument
15951 (check_dbra_loop): Initialize variable `comparison_val'.
15953 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
15954 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
15955 (find_valid_class): Initialize variable `best_class'.
15956 (find_reloads): Call memcpy, not bcopy.
15958 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
15959 (hard_reg_use_compare): Don't needlessly cast away const.
15960 (reload_reg_class_lower): Likewise.
15961 (choose_reload_regs): Initialize variable `regno'.
15963 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
15965 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
15967 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
15969 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
15970 ({,d}discard): Add forward declarations. Declare parameter as
15972 (main_without_main): Explicitly declare return type to be int.
15973 (memcpy): Properly declare.
15975 * libgcc2.c (toplevel): If inhibit_libc is defined and not
15976 building the trampoline support, declare malloc, free, and
15978 (__clear_cache): Mark arguments as potentially unused.
15980 * frame.c (toplevel): If inhibit_libc is defined, declare
15983 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
15985 * flow.c (make_edge): Accept an optional 2D bitmap in which
15986 to cache edge existence. Update all callers.
15987 (make_label_edge, make_eh_edge): Pass through the edge cache.
15988 (make_edges): Provide the cache.
15990 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15992 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
15994 (local_mbtowc): Change the type of variable `i' from int to size_t.
15996 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
15997 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
15999 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
16001 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
16002 after other includes that define the appropriate types. Include
16003 tm_p.h for getting user prototypes.
16004 * ggc-callbacks.c (toplevel): Ditto.
16005 * ggc-none.c (toplevel): Ditto.
16006 * gcc-page.c (toplevel): Ditto.
16007 * ggc-simple.c (toplevel): Ditto.
16009 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
16010 Jonathan Larmour <jlarmour@cygnus.co.uk>
16012 * config/mips/mips.c (mips_move_2words): Split doubles if
16013 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
16015 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
16017 * genrecog.c (struct decision_test): New.
16018 (struct decision): Remove test-related members, sort the rest by size.
16019 (IS_SPLIT): Simplify.
16020 (new_decision, new_decision_test): New.
16021 (add_to_sequence): Use them. No special handling for args of
16023 (maybe_both_true): Renamed from not_both_true; return sense changed.
16024 (maybe_both_true_1, maybe_both_true_2): New. Broken out
16025 of maybe_both_true and adjusted for decision_test.
16026 (position_merit): Remove.
16027 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
16028 (merge_accept_insn): New, broken out of merge_trees.
16029 (merge_trees): Use them. No special case for c_test; no node
16030 splitting; use test type instead of position_merit.
16031 (factor_tests): New.
16032 (simplify_tests): New.
16033 (break_out_subroutines): Don't write code now.
16034 (find_afterward): New.
16035 (write_afterward, write_switch, write_cond): New.
16036 (write_action, is_unconditional): New.
16037 (write_node): New. Use them.
16038 (write_tree_1): Rewrite. Use the new functions above.
16039 (write_tree): Remove afterward processing.
16040 (write_subroutine): Simplify function variant emission.
16041 (write_subroutines): New.
16042 (same_codes, clear_codes): Remove.
16043 (same_modes, clear_modes): Remove.
16044 (write_header): New, broken out of main.
16045 (make_insn_sequence): Use new_decision and new_decision_test.
16046 (process_tree): New, broken out of main.
16047 (main): Adjust for merge_trees interface change.
16048 Don't #define operands in the output file.
16049 (record_insn_name): New, broken out of make_insn_sequence.
16050 (debug_decision_2, debug_decision_1, debug_decision_0): New.
16051 (debug_decision): New.
16053 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
16055 * resource.c (find_free_register): Mark class_str argument const.
16056 * resource.h: Update prototype to match.
16058 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
16059 * i386.md: Give all anonymous insns names.
16061 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
16063 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
16066 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
16068 * toplev.c (dbr_sched_time): Unconditional.
16069 (peephole2_time): New.
16070 (compile_file): Add pass numbers to all of the dump file suffixes.
16071 Dump peephole2_time. Don't dump times for non-applicable passes.
16072 (rest_of_compilation): Add pass numbers to dump file suffixes.
16073 Conditionalize calls to the scheduler.
16074 * invoke.texi: Update.
16076 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
16078 * flow.c (make_edges): Fix insn iteration.
16079 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
16080 (find_basic_blocks_1): Fix spelling mistake.
16082 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
16084 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
16085 always have side-effects. Use memset not bzero.
16086 (make_node): Likewise.
16088 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
16090 * stmt.c (expand_anon_union_decl): When any of the elements of the
16091 union is addressable, so is the entire union.
16093 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
16095 * sbitmap.c (sbitmap_ones): Don't set too many bits.
16097 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
16098 * bitmap.c (bitmap_operation): Return true iff TO changed.
16099 (bitmap_equal_p): New.
16100 (bitmap_bit_p): Tidy arithmetic.
16101 (debug_bitmap_file): Likewise.
16103 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
16105 * toplev.c (rest_of_compilation): Turn on cse_not_expected
16106 before cse2 instead of after.
16108 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
16110 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
16113 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16115 * cppinit.c (is_idchar initializer): Loosen tests to accept
16118 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
16120 * mips.md: Define conditional move patterns for floating point
16121 operands and DI mode conditions.
16123 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
16125 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
16126 always have side-effects.
16128 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
16130 * mn10200.c (asm_file_start): Fix typo.
16132 * cppinit.c (is_idchar initializer): Tighten tests for when
16133 to put the table into initialized memory.
16135 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
16136 not an array of rtunion.
16137 * gcc-page.c (ggc_alloc_rtvec): Similarly.
16138 * gcc-simple (ggc_free_rtvec): Similarly.
16140 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
16143 * mbchar.h: Add missing #endif.
16145 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
16146 (FPBIT, DPBIT): Define.
16148 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16150 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
16152 * profile.c (instrument_arcs, output_gcov_string,
16153 tablejump_entry_p): Add static prototypes.
16154 (output_gcov_string): Constify a char*.
16156 * regmove.c (replacement_quality, fixup_match_2): Add static
16159 * resource.h (reg_dead_p): Add extern prototype.
16161 * rtl.c (trim_filename): Add static prototype.
16163 * scan-decls.c (skip_to_closing_brace): Likewise.
16165 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
16166 (expand_end_case): Initialize variable `range'.
16167 (emit_case_nodes): Remove unused prototype `rtx_fn'.
16169 * varasm.c (asm_emit_uninitialised): Add static prototype.
16170 (asm_emit_uninitialised, assemble_variable): Mark parameter with
16173 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16175 * cpplib.c (if_directive_nameo): Add static prototype.
16177 * cse.c (cse_insn): Remove unused variable `p'.
16179 * except.c (create_rethrow_ref, push_entry,
16180 receive_exception_label, new_eh_region_entry, find_func_region,
16181 clear_function_eh_region, process_nestinfo): Add static prototypes.
16182 (get_reg_for_handler): Hide definition.
16183 (process_nestinfo): Initialize variable `extra_handlers'.
16185 * expr.h (expand_builtin_longjmp): Add extern prototype.
16187 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
16189 * function.c (prepare_function_start): Likewise.
16190 (pop_function_context_from): Mark parameter `context' with
16192 (push_temp_slots_for_block, flush_addressof): Hide definition.
16194 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
16195 solve_program_flow_graph, calculate_branch_probs,
16196 function_summary, main, fancy_abort): Add prototypes.
16198 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
16199 (add_hash): Constify a char*.
16201 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
16202 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
16203 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
16205 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
16207 * lists.c (free_list, zap_lists): Likewise.
16209 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16211 * alias.c (nonlocal_reference_p): Add static prototype.
16213 * bitmap.c (bitmap_element_allocate): Prototype args in function
16216 * builtins.c (stabilize_va_list): Add static prototype.
16217 (expand_builtin_va_arg): Constify a char*.
16219 * c-lex.c (getch, put_back, extend_token_buffer_to,
16220 read_line_number, token_getch, token_put_back): Add static
16223 * c-parse.gperf (hash, is_reserved_word): Likewise.
16225 * cccp.c (is_dir_separator): Likewise.
16227 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16229 * graph.h: New file to prototype functions exported by graph.c.
16231 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
16233 * graph.c: Include graph.h.
16235 * toplev.c: Likewise. Remove redundant prototypes.
16237 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
16239 * invoke.texi: Removed duplicated description for -Q.
16241 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
16243 * extend.texi: Grammar fix in __extension__ text.
16245 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
16247 * md.texi (define_peephole2): New section.
16249 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
16251 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
16252 (mov $-1 to or peepholer): Enable for pentium when optimizing for
16255 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
16257 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
16259 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
16261 * i386.md (ffs expander): Emit Pentium friendly code for
16264 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
16266 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
16268 (build1): Likewise.
16270 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16272 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
16274 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
16276 * config/m68k/m68k.c (use_return_insn): Return false if the pic
16277 register is in use.
16279 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16281 * md.texi (No Constraints): Delete section.
16282 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
16283 * final.c (final_scan_insn): We always have register constraints.
16284 * genattrtab.c: Don't include "insn-config.h".
16285 (write_attr_case): We always have register constraints.
16286 * genconfig.c (register_constraint_flag): Delete.
16287 (walk_insn_part): Don't check whether we have register constraints.
16288 (main): Don't write out "#define REGISTER_CONSTRAINTS".
16289 * genoutput.c (have_constraints): Delete.
16290 (main): Don't set it.
16291 (output_operand_data): We always have constraints.
16292 (scan_operands): Likewise.
16293 (compare_operands): Likewise.
16294 * local-alloc.c (block_alloc): We always have constraints.
16295 (requires_inout): Always compile this function.
16296 * recog.c (extract_insn): We always have constraints.
16297 (constrain_operands, reg_fits_class_p): Always compile these
16299 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
16301 (struct insn_operand_data): Likewise.
16302 * regclass.c (regclass): We always have constraints.
16303 (record_reg_classes, copy_cost, record_address_regs,
16304 auto_inc_dec_reg_p): Always compile these functions.
16305 * regmove.c (regmove_optimize): We always have constraints.
16306 * reload.c (find_reloads): Likewise.
16307 * reload1.c (reload): Likewise.
16308 (reload_cse_simplify_operands): Likewise.
16309 * i860.c (output_delay_insn): Likewise.
16311 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
16313 * iris6.h (BUILD_VA_LIST_TYPE): Define.
16315 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16317 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
16318 for the va_list record.
16320 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
16322 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
16325 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
16327 * alias.c: Include insn-flags.h.
16328 * Makefile.in (alias.o): Update.
16330 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
16332 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
16333 to LTU and GEU. Handle more cases using sbb.
16335 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
16337 * i386.md (truncatexfdf splitters): Do not use subreg.
16338 (fop XFmode patterns): Fix mode in operand testing.
16340 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
16342 * jump.c (jump_optimize_1): Amend last change to test only the
16343 form of the operand, not the insn.
16345 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
16346 not register_operand to determine when B may need preloading.
16348 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
16350 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
16351 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
16352 (call-value patterns): Move to end of file.
16353 (*): Remove mode from label_ref in (pc) context.
16354 (movstrqi): Use memory not general_operand for BLKmode operands.
16355 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
16356 to register_operand operands.
16357 (peep2 patterns): Convert from commented-out peephole patterns.
16359 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16361 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
16362 to BUILT_IN_INIT_DWARF_REG_SIZES.
16363 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
16364 Renamed from BUILT_IN_DWARF_REG_SIZE; call
16365 expand_builtin_init_dwarf_reg_sizes.
16366 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
16367 with __builtin_init_dwarf_reg_size_table.
16368 * dwarf2out.c (struct reg_size_range): Delete.
16369 (expand_builtin_init_dwarf_reg_sizes): New function.
16370 (expand_builtin_dwarf_reg_size): Delete.
16371 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
16372 (expand_builtin_dwarf_reg_size): Don't declare.
16373 * libgcc2.c (dwarf_reg_size_table_initialized): New.
16374 (dwarf_reg_size_table): New.
16375 (init_reg_size_table): New function.
16376 (copy_reg): Use dwarf_reg_size_table.
16377 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
16380 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
16382 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
16383 Correctly build argument list to constructor and destructor functions.
16385 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
16387 * c-tree.h (warn_float_equal): Declare.
16388 * c-decl.c (warn_float_equal): Define.
16389 (c_decode_option): Recognize -W[no-]float-equal.
16390 * c-typeck.c (build_binary_op): Conditionally warn
16391 about equality tests of floating point types.
16392 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
16393 * invoke.texi: Add docs for -Wfloat-equal warning.
16395 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
16397 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
16398 generating RTL directly.
16399 * mips.h (INIT_TARGET_OPTABS): Likewise.
16400 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
16402 * expr.h (init_mov_optab): Delete declaration
16404 * h8300.c (WORD_REG_USED): Update to avoid useless register
16405 saves in interrupt functions and functions which never return.
16407 * cse.c (struct set): Delete inner_dest_loc field.
16408 (cse_insn): Remove assignments to inner_dest_loc field.
16410 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
16412 * ggc-page.c: Don't include <unistd.h> etc taken care of
16413 by "system.h". Include <sys/mman.h> afterward.
16415 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
16417 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
16420 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
16422 * xcoffout.c (xcoffout_declare_function): Add documentation.
16423 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
16424 TARGET_64BIT. Compare constant to -1, not bit pattern.
16425 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
16426 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
16429 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
16431 * dwarf2out.c (add_abstract_origin_attribute): Abort if
16432 origin_die is NULL.
16433 (gen_inlined_enumeration_type_die): Do not abort if the type has
16434 not been writeen out.
16435 (gen_inlined_structure_type_die): Do not abort if the type has
16436 not been writeen out.
16437 (gen_inlined_union_type_die): Do not abort if the type has
16438 not been writeen out.
16439 (gen_tagged_type_instantiation_die): Do not abort if the type
16440 has not been written out.
16442 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16444 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
16446 * reg-stack.c (straighten_stack): Copy hard reg set with
16449 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
16451 * builtins.c (stabilize_va_list): Stabilize array type va_list
16452 to a pointer type, not the base record type.
16453 (expand_builtin_va_copy): Dereference the pointers explicitly;
16454 use the correct size for the copy.
16456 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
16457 (rs6000_va_arg): Likewise.
16459 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
16461 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
16463 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
16465 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
16467 (DECL_BUILT_IN_CLASS): Adjust accordingly.
16469 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
16471 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
16472 (init_ggc): Use it instead of a constant.
16473 (ggc_collect): Bound allocated_last_gc by it.
16475 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
16477 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
16480 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
16482 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
16483 (mips*-*-openbsd*): Let big endian configuration be a fragment.
16484 * configure: Regen.
16485 * config/mips/openbsd.h: New, OpenBSD little endian target.
16486 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
16487 * config/mips/xm-openbsd.h: New, OpenBSD host.
16489 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
16491 * config/m68k/m68k.c (output_function_prologue,
16492 output_function_epilogue): Use
16493 current_function_uses_pic_offset_table instead of regs_ever_live
16494 to decide whether to save/restore pic register.
16495 (legitimize_pic_address): Don't modify regs_ever_live any more.
16497 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
16499 * function.h (struct function): Add x_dont_save_pending_sizes_p.
16500 * stor-layout.c (variable_size): Don't add sizes to the pending
16501 sizes list if x_dont_save_pending_sizes_p is set.
16503 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
16505 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
16506 for symbolic_operand().
16507 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
16509 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16511 * combine.c (gen_rtx_combine): Add missing call to va_end().
16513 * final.c (asm_fprintf): Likewise.
16515 * genattrtab.c (attr_rtx): Likewise.
16517 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
16519 * cse.c: Update comments.
16520 (cse_insn): When converting a conditional/computed jump into
16521 an unconditional jump, always make sure a BARRIER immediately
16522 follows the converted jump. Do not delete unreachable code.
16523 (cse_basic_block): Do not delete unreachable code.
16524 * toplev.c (rest_of_compilation): Move call to
16525 delete_trivially_dead_insns after the conditional call to
16528 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16530 * collect2.c (make_temp_file): Don't prototype.
16532 * gcc.c (make_temp_file): Likewise.
16534 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
16536 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
16538 * varasm.c (asm_emit_uninitialised): New function: Generate
16539 the assembler statements necessary to declare an uninitialised
16541 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
16543 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
16544 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
16546 (assemble_variable): Use asm_emit_uninitialised to emit an
16547 uninitialised variable.
16549 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
16551 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
16552 constant on a 64 bit host. Patch supplied by Geoffrey Keating
16553 <geoffk@cygnus.com>.
16555 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16557 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
16558 * c-common.h (builtin_function): Don't declare.
16560 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
16562 (pushdecl): Likewise.
16563 (finish_decl): Likewise.
16564 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
16565 int. All callers changed.
16566 Set the builtin's DECL_BUILT_IN_CLASS.
16567 * tree.h (enum built_in_class): New.
16568 (enum built_in_function): Delete NOT_BUILT_IN.
16569 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
16571 (DECL_SET_FUNCTION_CODE): Likewise.
16572 (DECL_BUILT_IN_CLASS): New macro.
16573 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
16574 (struct tree_decl): Split builtin function code field into a
16576 (builtin_function): Declare.
16578 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
16580 * optabs.c (init_traps): Fix typo in last change.
16582 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
16584 * toplev.c (rest_of_decl_compilation): Update comment.
16586 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
16588 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
16589 in .sbss if appropriate.
16590 (EXTRA_SECTION_FUNCTIONS): Add sbss.
16591 (SBSS_SECTION_ASM_OP): New macro.
16592 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
16593 (EXTRA_SECTIONS): Add in_sbss.
16594 * config/mips/mips.h: Prototype sbss_section.
16596 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
16598 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
16601 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
16603 * optabs.c (init_traps): Register trap_rtx as a GC root.
16605 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16607 * config/mips/mips.c (function_arg_pass_by_reference): Define
16608 unconditionally, since it's called unconditionally.
16610 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
16612 * toplev.c (documented_lang_options): Add -fshort-wchar.
16613 * c-decl.c (c_decode_option): Likewise.
16614 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
16616 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
16617 * gcc.c (default_compilers): If -fshort-wchar,
16618 override __WCHAR_TYPE__.
16619 * tm.texi (C Dialect Options): Add -fshort-wchar.
16621 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
16622 symbol for a variable.
16624 * cpplib.h (CPP_PREPROCESSED): New macro.
16625 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
16626 we're seeing this input for a second time.
16628 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
16630 * emit-rtl.c (init_emit_once): Initialize modes first.
16632 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
16634 * config/i386/i386.c (pic_label_name): Change to char pointer.
16635 (global_offset_table): New variable.
16636 (load_pic_register): Fill global_offset_table if it hasn't
16637 already been done. Allocate pic_label_name dynamically.
16638 * ggc.h (empty_string): New variable.
16639 * ggc-simple.c (empty_string): Likewise.
16640 (init_ggc): Allocate empty_string and add as root.
16641 * stmt.c (digit_strings): New variable.
16642 (init_stmt): Add last_block_end_note as root. Allocate and
16643 initialize digit_strings.
16644 (expand_asm_operands): Use empty_string instead of string
16645 constant. Use digit_strings instead of string constants.
16646 * profile.c (init_arc_profiler): Allocate string with
16647 ggc_alloc_string instead of xmalloc.
16648 (output_func_start_profiler): Likewise.
16649 * c-typeck.c (digest_init): Check if init is error_mark_node.
16651 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
16652 Richard Henderson <rth@cygnus.com>
16654 * ggc-page.c: New file.
16655 * Makefile.in (ggc-page.o): New.
16657 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
16659 * invoke.texi: Document -fdelete-null-pointer-checks
16660 * toplev.c (flag_delete_null_pointer_checks): New.
16661 (f_options): Add entry for -fdelete-null-pointer-checks.
16662 (rest_of_compilation): Conditionalize null pointer check
16663 elimination on flag_delete_null_pointer_checks.
16664 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
16666 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
16668 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
16669 copyright notice and special exception to GPL.
16671 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16673 * abi64.h (mips_function_value): Add prototype arguments.
16675 * mips-protos.h: New file with mips prototypes.
16677 * mips.c: Include "tm_p.h".
16678 (mktemp, lookup_name): Add prototype arguments.
16679 (extern_list, string_constant, mips_fill_delay_slot,
16680 mips_output_external, mips_output_external_libcall,
16681 mips_output_filename, mips_declare_object, function_prologue,
16682 mips_expand_prologue, function_epilogue, mips16_constant,
16683 build_mips16_function_stub, mips_output_conditional_branch):
16685 (mips_va_start): Remove unused variable `u'.
16686 (mips_va_arg): Cast value to unsigned when comparing against one.
16688 (save_restore_insns, mips_expand_prologue): Add missing arg in
16689 call to `large_int'.
16691 * mips.h: Move prototypes to mips-protos.h.
16692 (data_section, memory_address_p, rdata_section,
16693 readonly_data_section, simple_epilogue_p, text_section): Delete
16694 prototypes delcared elsewhere.
16695 (mips_epilogue_delay_slots, print_options): Delete unused decls.
16697 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
16699 * mips.md: Delete extra args in call to `mips_move_2words'.
16701 * xm-iris6.h (alloca): Add prototype argument.
16703 * genpeep.c: Include "tm_p.h" in generated output file.
16705 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16707 * basic-block.h (find_edge_index): Change parameters.
16708 * flow.c (verify_edge_list): Pass basic_block parameters to
16709 find_edge_index instead of integers.
16711 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
16713 * combine.c (simplify_comparison): Use an unsigned shift to adjust
16716 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
16718 * gcc.1: Fix a formatting error.
16720 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16722 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
16723 i786, mn10200, mn10300, pdp11, v850.
16725 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
16727 * libgcc2.c (num_digits): Add prototype with
16728 __attribute__((const)).
16729 (__terminate): Add prototype.
16731 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
16733 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
16735 * alpha/alpha.c (print_operand): Fix type of `code'.
16736 (alpha_output_filename): Constify.
16737 * alpha/alpha.h: Move all function declarations ...
16738 * alpha/alpha-protos.h: ... here. New file.
16739 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
16740 (SECTION_FUNCTION_TEMPLATE): Likewise.
16742 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16744 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
16745 * expr.c (expand_expr): Likewise.
16746 (do_jump): Likewise.
16747 (do_store_flag): Pass ccp_store_flag to can_compare_p.
16748 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
16750 (enum can_compare_purpose): New.
16751 (can_compare_p): Adjust prototype.
16752 (prepare_cmp_insn, prepare_operand): Declare.
16753 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
16754 * optabs.c (cmp_available_p): Deleted.
16755 (expand_abs): Pass ccp_jump to can_compare_p.
16756 (can_compare_p): New arg PURPOSE. Check for combined optabs.
16757 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
16758 Call can_compare_p rather than cmp_available_p.
16759 (prepare_operand): No longer static.
16760 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
16761 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
16762 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
16763 sequence to use emit_cmp_and_jump_insns.
16764 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
16766 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
16768 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
16769 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
16770 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
16771 (plus (reg) (const_int 0))
16772 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
16774 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
16776 * rs6000.c (expand_block_move): DImode loads and stores require
16777 word-aligned displacements. Increment address registers with
16778 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
16780 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
16782 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
16783 is no name for the base type, rather than segfault. If we are
16784 writing out a complex integer type, use DW_ATE_lo_user.
16786 * expr.c (emit_move_insn_1): If we are copying a complex that fits
16787 in one word or less (complex char, complex short, or on 64 bit
16788 systems complex float) to/from a hard register, copy it through
16789 memory instead of dying in gen_{real,imag}part. If we have a
16790 short complex type, prevent inlining since it allocates stack
16793 * tree.c (build_complex_type): If we are writing dwarf2 output,
16794 generate a name for complex integer types.
16796 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16798 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
16799 * flow.c (remove_edge): Remove extra whitespace.
16800 (remove_fake_edges): Fix comment.
16801 (add_noreturn_fake_exit_edges): Use the correct name.
16803 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
16805 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
16806 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
16807 (clean): Depend on INTL_CLEAN.
16808 (maintainer-clean): Adjust.
16810 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16812 * configure.in (AC_PREREQ): Bump to 2.13.
16813 (AC_C_STRINGIZE): Call this instead of using a custom macro.
16815 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
16817 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
16819 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
16821 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
16822 (HAVE_STRINGIZE): Define.
16824 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
16826 * c-parse.in: save and restore warn_pointer_arith on __extension__
16827 along with pedantic.
16828 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
16829 Set the type of extension to itype rather than $<itype>1 kludge.
16830 * extend.texi (Alternate Keywords): Adjust documentation.
16831 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
16833 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
16835 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
16836 most assembler templates.
16838 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
16839 FP loads and stores.
16840 (following_call): Always return zero for the PA8000.
16841 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
16842 FP loads and stores.
16843 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
16845 * pa.h (BRANCH_COST): Define.
16847 * pa.md (return, return_internal): Use bve for PA2.0.
16849 * pa.md (fused multiply): Add variants which reduce height for the
16850 fused multiply, but which still generate 2 insns.
16851 (fnegabs): Similarly.
16853 * pa.md (subsi3): Turn into an expander. Create two anonymous
16854 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
16855 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
16857 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
16859 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
16861 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
16862 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
16864 * regclass.c (init_regs): Add "top_of_stack" as a garbage
16867 * flow.c (record_active_eh_regions): Terminate loop after finding
16868 the last insn in the last basic block.
16870 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16872 * config/c4x/c4x.md: Delete parallel instruction peepholes.
16874 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16876 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
16878 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16880 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
16881 splitting to not use output template.
16883 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16885 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
16886 * config/c4x/c4x.c (c4x_va_start): New function.
16888 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
16890 * genrecog.c (not_both_true): Handle correctly cases when called for
16891 tests with different positions in the insn.
16893 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16895 * machmode.h (HOST_PTR_PRINTF): Move from here ...
16897 * system.h (HOST_PTR_PRINTF): ... to here.
16899 * mips-tfile.c: Don't include machmode.h.
16901 * Makefile.in (MACHMODE_H): New variable. Update to use it.
16902 (mips-tfile.o): Don't depend on machmode.h.
16904 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16906 * haifa-sched.c (sched_analyze): Rename local variable `region' to
16907 avoid conflicts with typedef struct `region' at the top level scope.
16909 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
16911 * basic-block.h (basic_block): Add eh_beg, eh_end.
16912 * flow.c (entry_exit_blocks): Update.
16913 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
16914 Call new functions.
16915 (find_basic_blocks_1): Don't record eh_list at each bb. Use
16916 lists.c functions to allocate insn lists.
16917 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
16919 (make_eh_edge): ... here. New.
16920 (move_stray_eh_region_notes): New.
16921 (record_active_eh_regions): New.
16922 (delete_unreachable_blocks): Split out block merging ...
16923 (try_merge_blocks): ... here. New.
16924 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
16925 Dump debugging data.
16926 (merge_blocks_move_successor_nojumps): Likewise.
16927 (merge_blocks): Use eh_beg+eh_end to validate block movement.
16929 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16931 * extend.texi (Bound member functions): Document unbound pmf
16934 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16936 * flow.c (split_edge): Handle insertion on a fallthrough edge which
16937 has the EXIT_BLOCK as a dest.
16939 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16941 * flow.c (remove_edge): New function to remove an edge from the
16943 (remove_fake_successors): New function to remove fake successor edges.
16944 (remove_fake_edges): New function to remove all fake edges from the
16946 (add_fake_exit_edges): New function to add fake edges from all blocks
16947 with no successors to the exit block.
16948 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
16949 prototypes for new functions.
16951 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16953 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
16954 Use Pmode to determine whether to output .dword or .word.
16956 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
16958 * tree.c (built_in_filename): New variable.
16959 (BUILT_IN_FILENAME): New macro.
16960 (init_tree_codes): Allocate built_in_filename.
16961 (make_node): Use built_in_filename instead of string constant.
16963 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
16965 * configure.in: Add fr30 target.
16966 * configure: Regenerate.
16967 * config/fr30: New directory.
16968 * config/fr30/crti.asm: New file.
16969 * config/fr30/fr30.c: New file.
16970 * config/fr30/crtn.asm: New file.
16971 * config/fr30/fr30.h: New file.
16972 * config/fr30/fr30.md: New file.
16973 * config/fr30/lib1funcs.asm: New file.
16974 * config/fr30/t-fr30: New file.
16975 * config/fr30/xm-fr30.h: New file.
16977 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
16979 * flow.c (merge_blocks_move_successor_nojumps): Delete the
16980 BARRIER at the end of the successor, not the BARRIER before
16983 * pa.c (pa_add_gc_roots): Fix thinko in last change.
16985 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
16987 * stmt.c (any_pending_cleanups): Don't crash when
16988 current_function->stmt is unset.
16990 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16992 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
16993 other initializations that may use it for relative offsets.
16995 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16997 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
16998 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
16999 * config/i386/sol2dbg.h: Removed.
17000 * config/i386/sol2gas.h: New file, to enable gas work-around.
17001 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
17002 Don't use sol2dbg.h.
17003 * configure: Rebuilt.
17005 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
17007 * invoke.texi (-fthis-is-variable): Remove documentation.
17009 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
17011 * basic-block.h (compute_bb_for_insn): Declare.
17012 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
17013 to use; set size of basic_block_for_insn directly.
17014 (find_basic_blocks): Update.
17016 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17018 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
17020 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17022 * crtstuff.c (ON_EXIT): Delete empty macro definition.
17023 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
17025 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
17027 * c-decl.c (c_decode_option): Extend comment.
17029 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
17031 * toplev.c (progname): Make 'const char *'
17032 (flag_print_mem): Move out of main.
17033 (version_flag): Move out of main.
17034 (filename): Move out of main.
17035 (debug_args): Remove g prefix from options.
17036 (documented_lang_options): Remove cpplib specific options.
17037 (display_help): Add g prefix to debug options.
17038 (check_lang_option): Delete this function.
17039 (decode_d_option): New function: Decode -d... option.
17040 (decode_f_option): New function: Decode -f... option.
17041 (decode_W_option): New function: Decode -W... option.
17042 (decode_g_option): New function: Decode -g... option.
17043 (independent_decode_option): New function: Decode a language
17044 independent command line option.
17045 (main): Invoke lang_decode_option and then
17046 independent_decode_option on each command line option in
17049 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
17051 Revert this change. Gavin's patch to operand_equal_p is a better fix.
17052 * fold-const.c (fold_range_test): Do not try to fold the range
17053 test if the rhs or lhs has side effects.
17055 * basic-block.h (compute_flow_dominators): Declare.
17057 * gcse.c (alloc_code_hoist_mem): New function.
17058 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
17059 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
17060 (hoist_code, one_code_hoisting_pass): Likewise.
17061 (gcse_main): If optimizing for size, then hoist expressions
17062 computed in multiple dominated basic blocks.
17064 * gcse.c (invalid_nonnull_info): New function.
17065 (delete_null_pointer_checks): Likewise.
17066 * rtl.h (delete_null_pointer_checks): Declare.
17067 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
17069 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
17070 (merge-blocks_move_successor_nojumps): Likewise.
17071 (merge_blocks): Allow merging of some blocks, even if it requires
17072 physical movement of the blocks, but not if it requires new jumps.
17074 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
17075 Callers and prototype changed.
17076 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
17078 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17080 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
17081 -YP when both -p and -pg are present. From i386/sol2.h.
17083 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17085 * Makefile.in (distclean): Delete tm_p.h.
17086 * configure.in: Create a new file, "tm_p.h", from a list in
17087 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
17088 "i386/i386-protos.h".
17090 * alias.c: Include "tm_p.h".
17091 * c-typeck.c: Likewise.
17092 * calls.c: Likewise.
17094 * emit-rtl.c: Likewise.
17095 * explow.c: Likewise.
17096 * expmed.c: Likewise.
17097 * expr.c: Likewise.
17098 * final.c: Likewise.
17099 * flow.c: Likewise.
17100 * fold-const.c: Likewise.
17101 * function.c: Likewise.
17102 * gcse.c: Likewise.
17103 * global.c: Likewise.
17104 * haifa-sched.c: Likewise.
17105 * integrate.c: Likewise.
17106 * jump.c: Likewise.
17107 * local-alloc.c: Likewise.
17108 * loop.c: Likewise.
17109 * optabs.c: Likewise.
17110 * recog.c: Likewise.
17111 * reg-stack.c: Likewise.
17112 * regclass.c: Likewise.
17113 * regmove.c: Likewise.
17114 * reload.c: Likewise.
17115 * reload1.c: Likewise.
17116 * reorg.c: Likewise.
17117 * resource.c: Likewise.
17118 * stmt.c: Likewise.
17119 * stor-layout.c: Likewise.
17120 * toplev.c: Likewise.
17121 * tree.c: Likewise.
17122 * unroll.c: Likewise.
17123 * genattrtab.c (main): Make generated file include "tm_p.h".
17124 * genemit.c (main): Likewise.
17125 * genoutput.c (main): Likewise.
17126 * genrecog.c (main): Likewise.
17128 * i386.h: Delete all prototypes.
17129 * i386.c: Include "tm_p.h".
17130 (ix86_attr_length_default): Call constant_call_address_operand
17131 with correct number of arguments.
17132 * i386-protos.h: New file.
17133 * i386.md (unnamed patterns): Call constant_call_address_operand
17134 with correct number of arguments.
17135 (exception_receiver): Call load_pic_register with correct number
17138 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
17140 * c-pragma.c (mark_align_stack): Dereference the void* properly.
17142 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
17144 * rtl.h (insns_safe_to_move_p): New function.
17145 * loop.c (find_and_verify_loops): Use it.
17146 * rtlanal.c (insns_safe_to_move_p): Define it.
17148 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
17150 * c-pragma.c: Include ggc.h.
17151 * Makefile.in (c-pragma.o): Update.
17153 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17155 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
17156 (LIB_SPEC): Likewise.
17157 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
17158 Reindent -YP/-p/-pg.
17159 Copied from config/sparc/sol2.h.
17161 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
17163 * c-pragma.c (mark_align_stack): New.
17164 (init_pragma): New.
17165 * c-pragma.h (init_pragma): Declare it.
17166 * c-lex.c (init_parse): Call it.
17168 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17170 * configure.in: Pick up thread library on Solaris/x86 just
17171 like on Solaris/sparc.
17172 * configure: Rebuilt.
17174 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
17176 * rtl.h (global_rtx_index): New enum.
17177 (global_rtl): Change to array of rtx.
17178 (pc_rtx, cc0_rtx): Redefine accordingly.
17179 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
17180 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
17181 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
17182 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
17183 (const_int_rtx): Change to array of rtx.
17184 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
17186 * emit-rtl.c (global_rtl): Change to array of rtx.
17187 (const_int_rtx): Change to aray of rtx.
17188 (gen_rtx_CONST_INT): Redefine accordingly.
17189 (init_emit_once): Allocate and initialize global_rtl. Likewise
17190 for const_int_rtx. Add both as GC roots.
17191 * genattrtab.c (global_rtl): Update declaration.
17193 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
17195 * Makefile (USER_H): Add iso646.h back.
17197 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
17199 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
17200 zapping the LOG_LINKS of sched_before_next_call.
17202 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
17203 * pa.c (insn_refs_are_delayed): Renamed from
17204 insn_sets_and_refs_are_delayed.
17206 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
17208 * functiion.h (struct function): Add x_whole_function_mode_p.
17209 (retrofit_block): Declare.
17210 * function.c (retrofit_block): New function.
17211 (identify_blocks): Add assertions. Allow an incomplete set of
17212 block notes if we're still generating code for the function.
17213 * integrate.c: Include loop.h.
17214 (expand_inline_function): Call find_loop_tree_blocks to map block
17215 notes to blocks when in whole-function mode. Use retrofit_block
17216 to insert new BLOCKs for the inlined function, rather than
17218 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
17219 * Makefile.in (integrate.o): Depend on loop.h.
17221 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
17223 * tree.h (warn_about_unused_variables): Declare.
17224 * stmt.c (warn_about_unused_variables): New function, split out
17226 (expand_end_bindings): Here.
17228 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
17230 * stmt.c (preserve_subexpressions_p): Don't crash when
17231 current_function->stmt is unset.
17233 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
17235 * stmt.c (expand_start_bindings): Allow callers to pass a flag
17236 indicating that no NOTE_INSN_BLOCK_BEG note is required.
17237 (expand_start_target_temps): Use it.
17238 * except.c (expand_eh_region_start_for_decl): Likewise.
17239 * expr.c (expand_expr): Likewise.
17241 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
17243 * fold-const.c (operand_equal_p): Pay attention to side effects.
17245 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
17247 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
17248 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
17250 * tlink.c (scan_linker_output): Look for keywords before accepting
17251 a mangled name in quotes.
17253 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
17255 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
17256 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
17258 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
17260 * alpha.md: Revert Thu Nov 26 change that came in through the
17261 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
17262 Avoid earlyclobber when possible.
17264 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17266 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
17268 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
17269 Define HAVE_ON_EXIT.
17271 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17273 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
17274 CTYPE_CONV in all ctype macros.
17276 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
17279 * cexp.y (initialize_random_junk): Likewise.
17281 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
17283 * i370.c (handle_pragma): Likewise.
17285 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
17287 * v850.c (override_options): Likewise.
17289 * doprint.c (_doprnt): Likewise.
17291 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
17294 * fixinc/server.c (load_data): Likewise.
17296 * fold-const.c (real_hex_to_f): Likewise.
17298 * genattr.c (write_upcase, gen_attr): Likewise.
17300 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
17301 write_upcase): Likewise.
17303 * genemit.c (print_code): Likewise.
17305 * genopinit.c (gen_insn): Likewise.
17307 * genpeep.c (print_code): Likewise.
17309 * genrecog.c (print_code): Likewise.
17311 * optabs.c (init_libfuncs): Likewise.
17313 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
17315 * haifa-sched.c (sched_analyze): Keep the list of notes organized
17317 (reemit_notes): Likewise.
17319 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
17321 * ggc.h (ggc_root): Move to ggc-common.c.
17323 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
17324 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
17325 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
17326 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
17327 * ggc-common.c (ggc_root): Move from ggc.h.
17328 (roots): Declare, static.
17329 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
17330 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
17331 null or check/set mark bit.
17332 (ggc_mark_roots): New.
17333 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
17335 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
17337 * m32r.c: Include toplev.h.
17338 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
17339 (gen_compare): Rename swap_p to must_swap to match uses.
17340 Add default abort case.
17341 (m32r_output_function_epilogue): Remove unused variables.
17342 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
17343 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
17344 define to empty parameter list. Update all uses.
17345 (predicate decls): Use enum machine_mode not int.
17346 * m32r.md (movsi): Call abort, not fatal_insn.
17347 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
17349 1999-09-14 Andrew Haley <aph@cygnus.com>
17351 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
17352 use $0 instead of 0.
17354 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17356 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
17357 computation out of loop over hard regs.
17359 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
17361 * function.c (identify_blocks): Don't shadow a variable in an
17363 * integrate.c (integrate_decl_tree): Don't use pushlevel,
17364 pushdecl, or poplevel to build up the new BLOCK tree.
17365 (expand_inline_function): Likewise.
17366 (integrate_parm_decls): Likewise.
17368 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
17370 * c-typeck.c (qualify_type): Merge qualifiers from both types.
17372 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
17374 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
17375 * invoke.texi: Document this change.
17377 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
17379 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
17381 (mark_emit_status): Renamed from mark_emit_state.
17382 * except.c (mark_eh_status): Renamed from mark_eh_state.
17383 Check not null before marking.
17384 (free_eh_status): New.
17385 * expr.c (mark_expr_status, free_expr_status): New.
17386 * function.c (free_machine_status): New.
17387 (free_after_parsing): New.
17388 (free_after_compilation): Move bits to free_after_parsing; call
17389 free_eh_status, free_expr_status; zero the marked members of the
17391 (prepare_function_start): No can_garbage_collect.
17392 Call init_eh_for_function.
17393 (expand_dummy_function_end): Free up current_function state.
17394 (mark_function_status): Renamed from mark_function_state.
17395 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
17396 * function.h (struct function): No can_garbage_collect.
17397 (free_machine_status, free_after_parsing): Declare.
17398 (free_eh_status, free_expr_status): Declare.
17399 * ggc.h (mark_expr_status): Declare.
17400 * stmt.c (free_stmt_status): Free the struct.
17401 (mark_stmt_status): Renamed from mark_stmt_state.
17402 (init_stmt): Don't call init_eh.
17403 (init_stmt_for_function): Don't call init_eh_for_function.
17404 * toplev.c (compile_file): Call init_eh.
17405 (rest_of_compilation): Free basic block info before ggc_collect.
17406 Call free_after_parsing; conditionally call free_after_compilation.
17407 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
17408 Check not null before marking.
17409 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
17411 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
17413 * c-lex.c (yylex): Initialize warn.
17415 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
17417 * pa.c (emit_move_sequence): Properly set the mode of the scratch
17418 register when performing secondary reloads for the SAR register.
17420 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
17422 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
17423 (NOTE_BLOCK): New macro.
17424 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
17425 * function.h (identify_blocks): Change prototype.
17426 * function.c (identify_blocks): Simplify.
17427 (reorder_blocks): Likewise.
17428 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
17429 NOTE_INSN_BLOCK_{BEG,END}.
17430 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
17431 the list of saved notes if the note isn't a
17432 NOTE_INSN_BLOCK_{BEG,END}.
17433 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
17435 (reemit_notes): Adjust recreation of notes to reflect new saved
17437 * print-rtl.c (print_rtx): Print the address of the BLOCK when
17438 printing a block note.
17439 * stmt.c (block_vector): Remove.
17440 (find_loop_tree_blocks): Simplify.
17441 (unroll_block_trees): Likewise.
17442 * tree.h (reorder_block): Change prototype.
17444 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
17446 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
17447 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
17448 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
17449 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
17450 (atexit, exit): Simplify.
17451 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
17452 * config/lots: Remove defns of HAVE_ATEXIT.
17454 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
17456 * calls.c (precompute_arguments): Fix typo in comment.
17457 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
17460 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
17462 * dsp16xx.c (override_options): Fix typos in GC root registration.
17464 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
17466 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
17467 from config/svr4.h.
17468 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
17469 (FUNCTION_PROFILER): Redefine appropriately for Linux.
17470 (CC1_SPEC): Likewise.
17472 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17474 * genattr.c (main): Add extern prototype. Call return, not exit.
17475 * genattrtab.c (main): Likewise.
17476 * gencheck.c (main): Likewise.
17477 * gencodes.c (main): Likewise.
17478 * genconfig.c (main): Likewise.
17479 * genemit.c (main): Likewise.
17480 * genextract.c (main): Likewise.
17481 * genflags.c (main): Likewise.
17482 * gengenrtl.c (main): Likewise.
17483 * genopinit.c (main): Likewise.
17484 * genoutput.c (main): Likewise.
17485 * genpeep.c (main): Likewise.
17486 * genrecog.c (main): Likewise.
17488 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
17489 * genattrtab.c (get_insn_name): Likewise.
17490 * gencodes.c (get_insn_name): Likewise.
17491 * genconfig.c (get_insn_name): Likewise.
17492 * genemit.c (get_insn_name): Likewise.
17493 * genextract.c (get_insn_name): Likewise.
17494 * genflags.c (get_insn_name): Likewise.
17495 * genopinit.c (get_insn_name): Likewise.
17496 * genpeep.c (get_insn_name): Likewise.
17498 * gencheck.c (usage): Add static prototype.
17499 * genextract.c (print_path): Constify a char*.
17500 * genopinit.c (optabs): Likewise.
17501 * genoutput.c (operand_data, data, output_predicate_decls,
17502 compare_operands): Likewise.
17503 * genrecog.c (write_tree): Add default case in switch.
17505 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17507 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
17509 * print-rtl.c (get_insn_name): Remove prototype.
17511 * toplev.h (progname): Declare const.
17513 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
17514 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
17515 dump_sched_info, dump_local_alloc, regset_release_memory,
17516 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
17517 error_with_file_and_line, error_with_decl, error_for_asm, error,
17518 fatal, warning_with_file_and_line, warning_with_decl, warning,
17519 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
17520 Remove redundant prototypes.
17522 (notice, check_lang_option, report_file_and_line, vnotice,
17523 mark_file_stack): Add static prototype.
17524 (set_fatal_function): Add prototype.
17525 (vnotice, report_file_and_line, set_fatal_function,
17526 check_lang_option): Constify a char*.
17527 (main): Prototype. Call return, not exit.
17529 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17531 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
17533 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
17535 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
17537 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
17539 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17541 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
17542 behave as if it's zero in all cases.
17543 (expand_function_start): Adjust call to assign_parms.
17544 * tree.h (assign_parms): Adjust prototype.
17545 * objc/objc-act.c (hack_method_prototype): Adjust call to
17548 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
17550 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
17551 arg_pointer_rtx fixed if the argument pointer register is
17553 (NONZERO_BASE_PLUS_P): Likewise.
17555 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
17557 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
17558 match_insn2 to match_insn.
17559 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
17561 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
17563 * Makefile.in (USER_H): Remove va-foo.h.
17565 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
17566 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
17567 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
17568 va-spur.h,va-v850.h}: Remove.
17570 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
17572 * sparc/sparc.md (eligible_for_return_delay): New attribute.
17573 (in_return_delay): Use it instead of match_insn.
17575 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17577 * config/alpha/va_list.h (va-alpha.h): Do not include.
17578 (__gnuc_va_list): Typedef as in varargs.h.
17580 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
17582 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
17583 DECL_LIVE_RANGE_RTL.
17585 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
17587 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
17588 not NOTE_BLOCK_NUMBER.
17589 (expand_eh_region_end): Likewise.
17590 (find_exception_handler_labels): Likewise.
17591 (scan_region): Likewise.
17592 (exception_optimize): Likewise.
17593 (update_rethrow_references): Likewise.
17594 (set_insn_eh_region): Likewise.
17595 * final.c (final_scan_insn): Likewise.
17596 * flow.c (make_edges): Likewise.
17597 * integrate.c (expand_inline_function): Likewise.
17598 * print-rtl.c (print_rtx): Likewise.
17600 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
17602 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
17603 terms of builtin functions and types.
17605 * mips.c (mips_build_va_list): New.
17606 (mips_va_start, mips_va_arg): New.
17607 * mips.h (BUILD_VA_LIST_TYPE): New.
17608 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
17610 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
17611 (sh_build_va_list, sh_va_start, sh_va_arg): New.
17612 * sh.h (BUILD_VA_LIST_TYPE): New.
17613 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
17615 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
17617 * recog.h (struct recog_data): Make dup_num, operand_address_p,
17618 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
17619 (struct insn_data): Likewise with n_operands, n_dups,
17620 n_alternatives, output_format.
17621 * regclass.c (scan_one_insn): Cast n_operands to int before
17622 arithmetic inside comparison.
17624 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
17626 * toplev.c (compile_function): Unconditionally emit nop.
17628 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17630 * haifa-sched.c (actual_hazard): Move declaration of variable
17631 `this_cost' into the scope where it is used.
17633 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17635 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
17636 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
17637 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
17639 * genrecog.c (make_insn_sequence): Call memset, not bzero.
17641 * jump.c (find_insert_position): Don't declare or define unless
17642 !HAVE_conditional_arithmetic.
17643 (returnjump_p_1, delete_prior_computation): Add static prototypes.
17645 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
17647 * recog.c (offsettable_address_p): Prototype function pointer.
17648 (preprocess_constraints): Call memset, not bzero.
17650 * tree.c (tree_node_kind_names): Constify a char*. Make static.
17651 (gcc_obstack_init): Don't declare.
17652 (fix_sizetype): Add static prototype.
17653 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
17654 (tree_cons): Call memset, not bzero.
17656 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
17657 definition in macro ASM_WEAKEN_LABEL.
17658 (mark_const_hash_entry): Add static prototype.
17660 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17662 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
17664 * unroll.c (find_common_reg_term, subtract_reg_term,
17665 loop_find_equiv_value): Add static prototypes.
17666 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
17667 (copy_loop_body): Remove unreachable break statement.
17669 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
17671 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
17673 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17675 Undo some changes from the gcc2 merge:
17676 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
17677 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
17681 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
17682 * emit-rtl.c (gen_lowpart_common): Disable optimization of
17683 initialized float-int union if the value is a NaN.
17685 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
17687 * gthr-win32.h: New file.
17689 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
17690 shared as a valid attribute.
17691 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
17692 * extend.texi: Document `shared' variable attribute.
17694 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
17696 * configure.in: Handle --enable-threads on FreeBSD.
17697 * configure: Rebuit.
17699 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17701 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
17703 * configure: Rebuilt.
17705 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
17706 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
17707 Rosimildo DaSilva <rdasilva@connecttel.com>
17709 * configure.in (m68k-*-rtemscoff*): Added.
17710 * configure.in (mips64orion-*-rtems*): Converted to ELF.
17711 * configure.in (sparc-*-rtemsaout*): Added as alias for old
17712 sparc-rtems configuration.
17713 * configure.in (sparc-*-rtemself*): Added.
17714 * configure.in (sparc-*-rtems*): Now ELF not a.out.
17715 * config/i386/rtems.h: Added comment.
17716 * config/sparc/rtemself.h: New file.
17718 * configure.in (m68k-rtemself): Added.
17719 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
17720 and DWARF_DEBUGGING_INFO.
17721 * config/m68k/crti.s: New file.
17722 * config/m68k/crtn.s: New file.
17723 * config/m68k/t-crtstuff: New file.
17724 * config/m68k/rtemself.h: New file.
17726 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
17727 global ctor/dtor and C++ exception handling.
17728 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
17729 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
17731 * config/i386/t-rtems-i386: New File.
17733 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
17735 * stmt.c (expand_end_case): Return right away if the case stack is
17738 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
17740 * Makefile.in (version.c): Remove rule incorrectly brought in from
17743 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
17745 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
17746 * msdos/top.sed: Take into account a prepended $(SHELL) to
17748 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
17750 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
17752 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17754 * regmove.c (fixup_match_1): Don't change an unchanging register.
17755 (stable_but_for_p): Renamed to:
17756 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
17757 Changed all callers.
17759 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
17761 * loop.c (strength_reduce): Don't call reg_used_between_p if the
17762 insn from BL2 is after the insn from BL.
17764 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
17766 * recog.h (INSN_OUTPUT_FORMAT_*): New.
17767 (struct insn_data): Merge `template' and `outfun' into `output'.
17768 Add `output_format'.
17769 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
17770 (struct data): Remove `outfun'; add `output_format'.
17771 (name_for_index): Remove declaration.
17772 (output_insn_data): Handle output formats.
17773 (process_template): Emit the bare array for @.
17774 (gen_expand, gen_split): Set output_format to NONE.
17775 * output.h (get_insn_template): Declare.
17776 * final.c (get_insn_template): New.
17777 (final_scan_insn): Use it.
17778 * toplev.c (compile_file): Likewise.
17780 * c4x/c4x.c (c4x_process_after_reload): Likewise.
17781 * i860/i860.c (output_delayed_branch): Likewise.
17782 (output_delay_insn): Likewise.
17784 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17786 * rtl.c (obstack_alloc_rtx): Removed.
17788 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
17790 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
17792 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
17794 * i386.c (call_insn_operand): Reject const_int.
17795 (expander_call_insn_operand): Use call_insn_operand.
17797 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17799 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
17801 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
17803 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
17804 Use DImode operation.
17806 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
17808 * gcc.c: Include sys/resource.h.
17809 (report_times): New flag.
17810 (execute): If report_times is set, calculate and report the
17811 CPU time consumed by each subprocess.
17813 (rus, prus): New globals.
17814 (option_map): Add --time.
17815 (display_help): Document -time.
17816 (process_command): Set report_times if -time is given.
17817 Turn off -pipe if -time is given.
17819 * invoke.texi: Document new option -time.
17821 * configure.in: Check for getrusage. Check if we have to
17822 prototype getrusage.
17823 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
17824 * configure: Regenerate.
17825 * config.in: Regenerate.
17827 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
17829 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
17832 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
17834 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
17835 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
17836 (nan): Return _thenan_sf or _thenan_df as appropriate.
17837 (L_thenan_sf): Define _thenan_sf.
17838 (L_thenan_df): Define _thenan_df.
17840 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
17841 (DPBIT_FUNCS): Add _thenan_df.
17843 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
17845 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
17848 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17850 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
17853 (lang_specific_driver): Don't take a function pointer parameter.
17854 All callers changed.
17856 * gcc.c: Include gcc.h.
17857 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
17858 lang_specific_extra_outfiles, fatal): Don't declare.
17859 (multilib_defaults_raw): Constify.
17860 (read_specs): Call memset, rather than bzero.
17861 (main): Call return, not exit.
17862 (lookup_compiler): Call memcpy, not bcopy.
17863 (fatal): Make extern.
17865 * cppspec.c: Include gcc.h.
17866 (lang_specific_driver): Initialize variable `quote'. Constify a
17867 char*. All calls to the function pointer parameter now
17868 explicitly call `fatal'.
17870 * gccspec.c (lang_specific_driver): Include gcc.h.
17872 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
17874 * arm.c (note_invalid_constants): Use recog_data.operand_type
17877 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17879 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
17882 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
17883 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
17884 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
17885 reload_secondary_in_reload, reload_secondary_out_reload,
17886 reload_secondary_in_icode, reload_secondary_out_icode,
17887 reload_reg_rtx, reload_when_needed): Delete declarations.
17888 (struct reload): New structure.
17889 (rld): Declare new array.
17890 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
17891 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
17892 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
17893 reload_secondary_in_reload, reload_secondary_out_reload,
17894 reload_secondary_in_icode, reload_secondary_out_icode,
17895 reload_reg_rtx, reload_when_needed): Delete definitions.
17897 (whole file): Replace uses of the deleted arrays with uses of rld.
17898 * reload1.c (whole file): Replace uses of the deleted arrays with
17900 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
17901 explicit loops, not with bcopy.
17903 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
17905 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
17906 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
17907 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
17908 insn_name): Delete and consolidate into new structures.
17909 (insn_operand_predicate_fn): New.
17910 (insn_output_fn): New.
17911 (insn_gen_fn): New.
17912 (struct insn_operand_data): New.
17913 (struct insn_data): New.
17915 (OUT_FCN): Update for insn_data change.
17916 * builtins.c (expand_builtin_strlen): Likewise.
17917 (expand_builtin_memcmp): Likewise.
17918 * combine.c (make_extraction, simplify_comparison): Likewise.
17919 * cse.c (canon_reg, cse_insn): Likewise.
17920 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
17921 * expmed.c (store_bit_field, extract_bit_field): Likewise.
17922 (emit_store_flag): Likewise.
17923 * expr.c (convert_move, emit_block_move): Likewise.
17924 (clear_storage, emit_push_insn, expand_increment): Likewise.
17925 (do_store_flag): Likewise.
17926 * expr.h (GEN_FCN): Likewise.
17927 (insn_gen_function): Die.
17928 * final.c (final_scan_insn): Update for insn_data change.
17929 (output_asm_name): Likewise.
17930 * function.c (fixup_var_refs_1): Likewise.
17931 * loop.c (check_dbra_loop): Likewise.
17932 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
17933 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
17934 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
17935 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
17936 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
17937 * regmove.c (gen_add3_insn): Likewise.
17938 * reload.c (push_secondary_reload, combine_reloads): Likewise.
17939 (find_reloads, find_reloads_address_1): Likewise.
17940 (debug_reload_to_stream): Likewise.
17941 * reload1.c (emit_reload_insns, gen_reload): Likewise.
17942 * stmt.c (expand_end_case): Likewise.
17943 * toplev.c (compile_file): Likewise.
17945 * c4x/c4x.c (c4x_process_after_reload): Likewise.
17946 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
17948 * print-rtl.c (insn_name_ptr): Remove declaration.
17949 (get_insn_name): Declare.
17950 (print_rtx): Use it.
17951 * genoutput.c (insn_name_ptr): Remove.
17952 (next_operand_number): New.
17953 (struct operand_data): New.
17954 (null_operand, odata, odata_end): New.
17955 (struct data): Use struct operand_data.
17956 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
17957 (get_insn_name): Renamed from name_for_index.
17958 (output_prologue): Define NO_MD_PROTOTYPES.
17959 (output_predicate_decls): Break out from output_epilogue.
17960 Iterate over the operands list.
17961 (output_operand_data): Break out from output_epilogue. Emit
17962 just the operands list.
17963 (output_insn_data): Break out from output_epilogue. Emit just
17965 (output_epilogue): Remove.
17966 (output_get_insn_name): New.
17967 (constraints, op_n_alternatives, predicates, address_p): Die.
17968 (modes, strict_low, seen): Die.
17969 (scan_operands): Take new param `d' instead of writing to
17970 seven global variables.
17971 (compare_operands): New.
17972 (place_operands): New.
17973 (validate_insn_alternatives): Update for struct data change.
17974 (gen_insn): Don't zero or copy 7 global arrays. Update for
17975 scan_operands; call place_operands.
17976 (gen_peephole, gen_expand, gen_split): Likewise.
17977 (main): Update for new output routines.
17979 * genattr.c (insn_name_ptr): Remove.
17980 (get_insn_name): New function.
17981 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
17982 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
17983 * genrecog.c: Likewise.
17985 * alpha.md (adddi3): Make `pattern' array static.
17987 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17989 * config/c4x/c4x.h (c4x_rpts_cycles_string,
17990 c4x_cpu_version_string): Constify char *.
17991 * config/c4x/c4x.c (c4x_rpts_cycles_string,
17992 c4x_cpu_version_string): Likewise.
17994 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
17996 * tree.c (save_tree_status): Revert 10 Sep change.
17997 (restore_tree_status): Likewise. Call obstack_free with NULL
17998 before freeing the obstack proper.
18000 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
18002 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
18004 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
18005 surrounding context.
18007 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
18009 * tree.c (type_hash_canon): Put all types in the hash-table, when
18012 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
18014 * recog.h (struct recog_data, recog_data): New.
18015 (recog_foo variables): Kill.
18016 * recog.c (recog_operand, recog_operand_loc): Kill.
18017 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
18018 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
18019 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
18020 (recog_data): Define.
18021 (extract_insn): Update all recog_foo references to use recog_data.
18022 (preprocess_constraints, constrain_operands): Likewise.
18023 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
18024 * genattrtab.c (main): Likewise.
18025 * genextract.c (main): Likewise.
18026 * genoutput.c: Likewise.
18027 * genrecog.c (write_subroutine, main): Likewise.
18028 * local-alloc.c (block_alloc): Likewise.
18029 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
18030 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
18031 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
18032 * reload.c (find_reloads, find_reloads_toplev): Likewise.
18033 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
18034 (reload_cse_simplify_operands): Likewise.
18036 * arc/arc.c (arc_final_prescan_insn): Likewise.
18037 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
18038 * h8300/h8300.c (notice_update_cc): Likewise.
18039 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
18040 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
18041 * mn10200/mn10200.c (notice_update_cc): Likewise.
18042 * mn10300/mn10300.c (notice_update_cc): Likewise.
18043 * romp/romp.c (update_cc): Likewise.
18044 * sparc/sparc.c (check_pic): Likewise.
18045 * v850/v850.c (notice_update_cc): Likewise.
18047 * genemit.c (main): Don't declare recog_operand.
18049 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
18051 * ggc.h (rtvec_def): Forward declare.
18052 (tree_node): Likewise.
18053 (ggc_root): Define.
18055 (ggc_set_mark_rtx): Add prototype.
18056 (ggc_set_mark_rtvec): Likewise.
18057 (ggc_set_mark_tree): Likewise.
18058 * ggc-simple.c (ggc_root): Don't define.
18059 (roots): Don't declare.
18060 (ggc_mark_rtx): Remove.
18061 (ggc_mark_rtvec): Likewise.
18062 (ggc_mark_tree): Likewise.
18063 (ggc_mark_varray): Likewise.
18064 (ggc_mark_tree_hash_table_entry): Likewise.
18065 (ggc_mark_tree_hash_table): Likewise.
18066 (ggc_set_mart_rtx): New function.
18067 (ggc_set_mark_rtvec): Likewise.
18068 (ggc_set_mark_tree): Likewise.
18069 (ggc_add_root): Remove.
18070 (ggc_add_rtx_root): Likewise.
18071 (ggc_remove_tree_root): Likewise.
18072 (ggc_add_string_root): Likewise.
18073 (ggc_add_tree_varray_root): Likewise.
18074 (ggc_add_tree_hash_table_root): Likewise.
18075 (ggc_del_root): Likewise.
18076 (ggc_mark_rtx_ptr): Likewise.
18077 (ggc_mark_tree_ptr): Likewise.
18078 (ggc_mark_string_ptr): Likewise.
18079 (ggc_mark_tree_varray_ptr): Likewise.
18080 (ggc_mark_tree_hash_table_ptr): Likewise.
18081 * ggc-common.c: New file.
18082 * Makefile.in (OBJS): Add ggc-common.o.
18083 (ggc-common.o): List dependencies.
18085 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
18087 * cppalloc.c (xstrdup): Use memcpy.
18088 * cpperror.c (cpp_print_containing_files): Don't use
18090 * cpplib.c (conditional_skip): Set temp->lineno.
18091 (do_endif): Make error message less obscure.
18092 (if_directive_name): New function.
18093 (cpp_get_token [case EOF]): Unwind the if stack and generate
18094 error messages for each unterminated conditional in this file.
18095 (parse_string): Do not behave differently if -traditional.
18097 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
18099 * builtins.c (expand_builtin_va_arg): Cope with an array-type
18100 va_list decomposing to pointer-type.
18101 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
18102 (rs6000_va_arg): Likewise.
18104 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
18106 * except.c (start_dynamic_handler): Compute size using
18107 STACK_SAVEAREA_MODE.
18109 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18111 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
18112 include directory headers. Don't define strrchr. Don't provide
18113 my_* replacement functions. Prefer PTR over `pointer_type'.
18114 Don't prototype system functions. Don't redefine getopt.
18116 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
18117 safe_read, safe_write, save_pointers, restore_pointers,
18118 is_id_char, in_system_include_dir, directory_specified_p,
18119 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
18120 find_corresponding_lparen, referenced_file_is_newer,
18121 save_def_or_dec, munge_compile_params, gen_aux_info_file,
18122 process_aux_info_file, identify_lineno, check_source,
18123 seek_to_line, forward_to_next_token_char, output_bytes,
18124 output_string, output_up_to, other_variable_style_function,
18125 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
18126 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
18127 find_static_definition, connect_defs_and_decs, add_local_decl,
18128 add_global_decls, needs_to_be_converted, visit_each_hash_node,
18129 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
18130 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
18131 scan_for_missed_items, edit_file, string_list_cons): Add static
18133 (standard_exec_prefix, target_machine, target_version,
18134 default_syscalls_dir, string_list, string_list_cons, find_file,
18135 do_cleaning): Constify a char*.
18136 (safe_read, safe_write): Use PTR, not a char*.
18137 (is_id_char): Take an int, not a char.
18138 (main): Add prototype. Call return, not exit.
18140 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
18142 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
18143 when comparing types.
18145 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
18147 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
18148 (strength_reduce): Release the varrays from the no-bivs early exit.
18150 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
18151 the loop over the registers.
18153 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
18155 (restore_tree_status): Check that instead when freeing the obstack.
18157 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
18159 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
18162 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18164 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
18165 operand size modifiers.
18167 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18169 * c-common.c (c_common_nodes_and_builtins): Don't build
18171 * c-common.h (enum c_tree_index and related accesor macros): Remove
18172 everything now declared in tree.h.
18173 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
18174 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
18175 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
18176 (error_mark_node, void_type_node, char_type_node, integer_type_node,
18177 unsigned_type_node, ptr_type_node, va_list_type_node,
18178 integer_zero_node, null_pointer_node, integer_one_node): Delete.
18179 (init_decl_processing): Call build_common_tree_nodes and
18180 build_common_tree_nodes_2 instead of building their nodes here.
18181 Don't add roots for these nodes.
18182 * stor-layout.c (size_zero_node, size_one_node): Delete.
18183 (set_sizetype): Make a new node for bitsizetype each time.
18184 * tree.c (global_trees): New variable.
18185 (init_obstacks): Add a gc root for it.
18186 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
18187 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
18188 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
18189 (build_common_tree_nodes): New function.
18190 (fix_sizetype): New function.
18191 (build_common_tree_nodes_2): New function.
18192 * tree.h (enum tree_index): New.
18193 (global_trees): Declare.
18194 Add accessor macros for all nodes now moved to global_trees.
18195 Delete their declarations.
18197 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
18199 * c-decl.c (finish_function): When processing a nested function,
18200 push and pop GC context around rest_of_compilation.
18202 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
18204 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
18205 Default ix86_arch to PROCESSOR_I386.
18206 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
18207 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
18208 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
18209 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
18210 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
18211 (EXTRA_SPECS): Remove deleted specs.
18213 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
18215 * function.c (assign_stack_local_1): Allocate from
18216 function->x_frame_offset, not frame_offset.
18218 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
18220 * ggc.h (lang_cleanup_tree): Remove.
18221 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
18222 * ggc-callbacks.c (lang_cleanup_tree): Remove.
18224 * c-decl.c (finish_struct): Use ggc_alloc to allocate
18225 TYPE_LANG_SPECIFIC when garbage collecting.
18226 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
18227 (lang_cleanup_tree): Remove.
18229 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18231 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
18232 * crtstuff.c: Not here.
18233 * dwarf2out.c: Or here.
18234 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
18237 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
18239 * function.h (free_after_compilation): Remove decl parameter.
18240 (free_varasm_status0: Likewise.
18241 (free_emit_status): Likewise.
18242 (free_stmt_status): Likewise.
18243 (free_after_compilation): Likewise.
18244 (init_lang_status): New variable.
18245 (free_lang_status): Likewise.
18246 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
18247 * function.c (init_lang_status): New variable.
18248 (free_lang_status): Likewise.
18249 (push_function_context_to): Don't set function::decl here.
18250 (free_after_copmilation): Make decl parameter implicit. Call
18251 free_lang_status if defined.
18252 (prepare_function_start): Call init_lang_status if defined.
18253 (init_function_start): Set function::decl here.
18254 * profile.c (output_func_start_profiler): Don't call pushdecl
18255 until we've actually started the function.
18256 * stmt.c (free_stmt_status): Make decl parameter implicit.
18257 * toplev.c (rest_of_compilation): Don't pass decl to
18258 free_after_compilation.
18259 * varasm.c (free_varasm_status): Likewise.
18261 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18263 * except.c (call_get_eh_context): Add root when allocating static
18266 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
18268 * arm.c: Include "ggc.h".
18269 (arm_add_gc_roots): New function.
18270 (arm_override_options): Call it.
18271 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
18273 * arm.md (define_asm_attributes): Add a pool_range attribute.
18275 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
18277 * extend.texi (Volatiles): New node.
18279 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
18281 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
18282 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
18283 (struct ggc_any): Replace `mark' with `magic_mark'.
18284 (ggc_alloc_string): Use memcpy, not bcopy.
18285 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
18286 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
18287 (ggc_free_any): New.
18288 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
18289 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
18290 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
18291 Use IS_MARKED. Use ggc_free_any.
18293 1999-09-09 Scott Bambrough <scottb@netwinder.org>
18295 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
18297 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
18299 * toplev.c (main): Always init_ggc.
18301 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
18303 * except.c (find_all_handler_type_matches): Free the list if
18304 we found no matches.
18306 * combine.c (SUBST): Break out to a real function do_SUBST.
18307 (SUBST_INT): Likewise.
18308 * gcse.c (free_pre_mem): Free `temp_bitmap'.
18309 (pre_insert): Free `inserted'.
18310 * loop.c (basic_induction_var): Always set `location'.
18312 * function.c (expand_function_end): Add initial_trampoline as a root.
18313 * rtl.h (init_varasm_once): Declare.
18314 * toplev.c (compile_file): Call it.
18315 * ggc-simple.c (ggc_mark_string_ptr): New.
18316 (ggc_add_string_root): New.
18317 (ggc_collect): Disable collection avoidance temporarily.
18318 * ggc.h (ggc_add_string_root): Declare.
18319 * except.c (create_rethrow_ref): Use ggc_alloc_string.
18320 * optabs.c (init_libfuncs): Likewise.
18321 * varasm.c (named_section): Use ggc_alloc_string.
18322 (make_function_rtl): Likewise.
18323 (make_decl_rtl): Likewise.
18324 (assemble_static_space): Likewise.
18325 (assemble_trampoline_template): Likewise.
18326 (output_constant_def): Likewise.
18327 (force_const_mem): Likewise.
18328 (mark_const_hash_entry): New.
18329 (mark_pool_sym_hash_table): New.
18330 (mark_varasm_state): Use it.
18331 (init_varasm_once): New.
18333 * expr.h (init_one_libfunc): Declare.
18334 * optabs.c (init_one_libfunc): New.
18335 (init_optabs): Use it.
18336 * config/gofast.h: Likewise.
18337 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
18338 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
18340 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18342 * Makefile.in (cppexp.o): Depend on cpphash.h.
18343 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
18345 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
18346 * cpplib.c (do_define): Generalise to handle poisoned definitions,
18347 redefining poisoned identifiers, etc.
18348 (do_undef): Don't allow poisoned identifiers to be undefined.
18349 (do_pragma): Add #pragma poison.
18350 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
18352 * cccp.c: Add T_POISON node type.
18353 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
18355 (do_define): Generalise to handle poisoned definitions,
18356 redefining poisoned identifiers, etc.
18357 (do_undef): Don't allow poisoned identifiers to be undefined.
18358 (do_pragma): Add #pragma poison.
18359 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
18361 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
18362 * c-pragma.h: Add ps_poison state. We now always have generic
18365 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
18367 * ggc.h (ggc_alloc): New function.
18368 (ggc_mark): Likewise.
18369 * ggc-simple.c (ggc_any): New structure.
18370 (ggc_status): Add anys.
18371 (n_anys_collected): New variable.
18372 (ggc_alloc): Define.
18373 (ggc_mark): Likewise.
18374 (ggc_collect): Collect the anys.
18376 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18378 * c-decl.c (mark_binding_level): Make static to match prototype.
18380 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
18382 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
18384 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
18386 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
18387 will use into account. Expand the max width to 5.
18390 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
18392 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
18393 for the rtx length.
18395 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
18397 * alpha.md (call value patterns): Remove the result predicates.
18399 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
18401 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
18404 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18406 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
18407 changed from extern char *, to extern PTR. Also fix typo in
18408 NEED_DECLARATION_REALLOC test.
18410 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
18412 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18414 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
18415 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
18416 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
18417 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
18419 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
18421 * cccp.c (pcfinclude): Likewise.
18423 * global.c (allocno_compare): Likewise.
18425 * haifa-sched.c (rank_for_schedule): Likewise.
18427 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
18429 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
18431 * stupid.c (stupid_reg_compare): Likewise.
18433 * tree.c (_obstack_allocated_p): Likewise.
18435 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
18437 1999-09-08 Bruce Korb autogen@linuxbox.com
18439 * Makefile.in: Give the hapless gperf user a hint about
18440 why "gperf -F" fails.
18442 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
18444 * lists.c: Include ggc.h.
18446 (init_EXPR_INSN_LIST_cache): Install it.
18448 * ggc-simple.c (init_ggc): Absorb the old init.
18449 (ggc_push_context): Use xcalloc.
18450 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
18451 (ggc_collect): Add [rvts] tags to the collection stats.
18453 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
18455 * cccp.c (main): Fix handling of -include and -imacros options.
18457 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
18459 * cpplib.c (cpp_push_buffer): Fix order of arguments.
18461 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
18463 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
18466 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
18468 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
18469 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
18470 and SET_DEST. Update comment.
18472 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18474 * config/c4x/c4x.c: Include ggc.h.
18475 (c4x_add_gc_roots): New function.
18476 (c4x_override_options): Call c4x_add_gc_roots.
18478 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
18480 * defaults.h (TARGET_ESC): Move ...
18481 * system.h: ... here, where Linas had it in the first place. Silly me.
18483 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
18485 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
18486 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
18487 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
18488 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
18489 * defaults.h (TARGET_ESC): Add default.
18491 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
18493 * configure.in: add i370-*-openedition, i370-*-mvs and
18494 i370-*-linux targets
18496 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
18498 * dsp16xxx.c: Include ggc.h
18499 (override_options): Mark GC roots.
18500 * mn10200.c: Include ggc.h.
18501 (asm_file_start): Mark GC roots.
18502 * tahoe.c: Include ggc.h.
18503 (extensible_operand): Mark GC roots.
18505 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
18507 * README: Add section discussing status of ELF ABI.
18508 * i370.c: Fix misc spelling mistakes.
18509 (i370_label_scan): Updated notes, exception handling.
18510 (i370_function_prolog): Simplify ELF stack handling.
18511 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
18512 (STACK_GROWS_DOWNWARD): ELF stack grows down.
18513 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
18514 * i370.md: (movdi): Add notes.
18515 (floatsidf2): Use stack not rtca for scratch float area.
18516 (iorsi3): Correct operand constraints.
18517 * x-oe: Restore TAROUTOPTS which are used by pax.
18519 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
18521 * rs6000.c: Include ggc.h.
18522 (rs6000_add_gc_roots): New function.
18523 (override_options): Call it.
18525 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
18527 * alpha.h (alpha_compare): New.
18528 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
18529 * alpha.c: Likewise for the definitions.
18530 (alpha_emit_conditional_branch): Update for alpha_compare.
18531 (alpha_emit_conditional_move): Likewise.
18532 * alpha.md (cmpdf, cmpdi): Likewise.
18533 (setcc patterns): Likewise. Zero alpha_compare after use.
18534 (sne): Optimize (x != 0) into (0U < x).
18536 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
18538 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
18539 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
18540 (INIT_EXPANDERS): Remove.
18541 * alpha.c: Include ggc.h.
18542 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
18543 (alpha_init_machine_status, alpha_mark_machine_status): New.
18544 (override_options): Install them.
18545 (struct machine_function): Moved to alpha.h.
18546 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
18547 (alpha_init_expanders): Remove.
18548 (alpha_return_addr): Adjust to use current_function->machine.
18549 (alpha_ra_ever_killed): Likewise.
18550 (alpha_expand_epilogue): Likewise.
18551 * alpha.md (eh_epilogue): Likewise.
18553 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
18554 Melissa O'Neill <oneill@cs.sfu.ca>
18555 Geoffrey Keating <geoffk@cygnus.com>
18557 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
18558 call-used registers (call-saved registers must still be contiguous
18559 and end with r31, of course).
18561 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
18563 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
18564 (self_promoting_type_p): Delete.
18565 (self_promoting_args_p): Move ...
18566 * c-common.c: ... here.
18567 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
18568 (simple_type_promotes_to): New.
18569 * builtins.c (lang_type_promotes_to): New.
18570 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
18571 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
18572 * c-common.h: ... here.
18573 (self_promoting_args_p, simple_type_promotes_to): Declare.
18574 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
18575 (grokdeclarator): Likewise.
18576 * tree.h (lang_type_promotes_to): Declare.
18578 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
18580 Add some machine-dependent GC roots.
18581 * sparc.c: Include ggc.h.
18582 (sparc_add_gc_roots): New function.
18583 (mark_ultrasparc_pipeline_state): Likewise.
18584 (override_options): Call sparc_add_gc_roots.
18585 * pa.c: Include ggc.h.
18586 (pa_add_gc_roots): New function.
18587 (mark_deferred_plabels): Likewise.
18588 (override_options): Call pa_add_gc_roots.
18589 * mips.c: Include ggc.h.
18590 (mips_add_gc_roots): New function.
18591 (override_options): Use it.
18593 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18595 * cpperror.c (cpp_file_line_for_message): Constify a char*.
18597 * cppexp.c (parse_number, parse_charconst, cpp_lex,
18598 cpp_parse_expr): Add static prototypes.
18599 (parse_charconst): Don't cast away const-ness.
18600 (token): Constify a char*.
18602 * cppfiles.c (file_name_list, include_hash, find_include_file,
18603 finclude, initialize_input_buffer): Constify a char*.
18604 (file_cleanup, find_position): Add static prototypes.
18606 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
18607 collect_expansion): Add static prototypes.
18608 (cpp_install, create_definition, monthnames): Constify a char*.
18610 * cpphash.h (cpp_install): Likewise.
18612 * cppinit.c (known_suffixes, default_include,
18613 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
18614 (base_name, dump_special_to_buffer, initialize_dependency_output):
18615 Add static prototypes.
18617 * cpplib.c (my_strerror): Constify a char*.
18618 (null_underflow, null_cleanup, skip_comment, copy_comment,
18619 copy_rest_of_line, handle_directive, pass_thru_directive,
18620 get_directive_token, read_line_number, cpp_print_file_and_line,
18621 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
18622 v_cpp_warning_with_line, detect_if_not_defined,
18623 consider_directive_while_skipping): Add static prototypes.
18624 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
18625 cpp_pedwarn_with_file_and_line): Constify a char*.
18627 * cpplib.h (cpp_options, include_hash, progname, definition,
18628 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
18629 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
18630 find_include_file, deps_output, include_hash): Constify a char*.
18632 * cppmain.c (progname): Constify.
18633 (main): Add prototype. Use return, not exit.
18635 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
18636 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
18637 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
18638 check_protection): Add static prototype.
18640 (progname, recognized_macrom, recognized_extern): Constify a char*.
18641 (main): Add prototype.
18643 * gen-protos.c (progname): Constify a char*.
18645 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
18647 * emit-rtl.c (free_emit_status): Take decl as a parameter.
18648 (init_emit_once): Add more GC roots.
18649 * except.c (mark_func_eh_entry): New function.
18650 (mark_eh_node): Mark false_label and rethrow_label.
18651 (init_eh): Add more GC roots.
18652 * function.c (free_after_compilation): Take decl as a paramter.
18653 Call free_stmt_status.
18654 (mark_function_state): Don't assume x_parm_reg_stack_loc is
18656 * function.h (free_after_compilation): Change prototype.
18657 (free_varasm_status): Likewise.
18658 (free_emit_status): Likewise.
18659 (free_stmt_status): New function.
18660 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
18661 Remove, replacing with ...
18662 (ggc_status): New structure.
18663 (ggc_chain): New variable.
18664 (init_gcc): Define.
18665 (ggc_push_context): New function.
18666 (ggc_pop_context): Likewise.
18667 (ggc_alloc_rtx): Adjust for use of ggc_chain.
18668 (ggc_alloc_rtvec): Likewise.
18669 (ggc_alloc_tree): Likewise.
18670 (ggc_alloc_string): Likewise.
18671 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
18672 (ggc_mark_tree): Give language-dependent code a chance to mark
18674 (ggc_mark_tree_varray): Handle empty arrays.
18675 (ggc_collect): Adjust for use of ggc_chain. Clear
18676 bytes_alloced_since_last_gc.
18677 * ggc.h (ggc_pop_context): New function.
18678 (ggc_push_context): Likewise.
18679 * print-tree.c (print_node): Don't print obstacks when GC'ing.
18680 * stmt.c (free_stmt_status): New function.
18681 (init_stmt_for_function): Clear last_expr_value.
18682 * toplev.c (rest_of_compilation): Always call free_after_compilation.
18683 Conditionalize call to ggc_collect.
18684 (main): Call init_ggc.
18685 * tree.c (push_obstacks): Do the push, even when GC'ing.
18686 (push_obstacks_nochange): Likewise.
18687 (pop_obstacks): Liekwise.
18688 * varasm.c (free_varasm_status): Take decl as a parameter.
18690 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
18692 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
18693 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
18694 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
18695 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
18697 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
18699 * pa/x-pa-mpeix: New file for the MPE port.
18701 * pa/quadlib.asm: New file for long double support.
18703 * configure.in: Add hppa1.0-*-mpeix for MPE port.
18704 * configure: Rebuilt.
18706 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
18708 * final.c (shorten_branches): Fix last change.
18710 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
18712 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
18714 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
18716 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
18719 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18721 * c-aux-info.c (concat): Don't define.
18723 * cccp.c (my_strerror): Likewise. All callers changed to use
18725 (do_include): Call xstrdup, not xmalloc/strcpy.
18726 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
18727 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
18729 * collect2.c (my_strsignal): Likewise. All callers changed to use
18731 (locatelib): Call xstrdup, not xmalloc/strcpy.
18733 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
18735 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
18737 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
18739 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
18741 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
18743 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
18745 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
18747 (find_all_handler_type_matches): Likewise. Don't check return
18749 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
18750 xmalloc, not malloc.
18751 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
18753 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
18754 (init_spec): Call xcalloc, not xmalloc/bzero.
18755 (set_spec): Call xstrdup, not save_string.
18756 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
18757 (find_a_file): Call xstrdup, not xmalloc/strcpy.
18758 (process_command): Call xstrdup, not save_string.
18759 (main): Call xcalloc, not xmalloc/bzero.
18761 * gcov.c (xmalloc): Don't define.
18762 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
18763 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
18764 (output_data): Call xcalloc, not xmalloc/bzero.
18766 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
18768 * mips-tdump.c (xmalloc): Don't define.
18769 (print_symbol): Call xmalloc, not malloc.
18770 (read_tfile): Call xcalloc, not calloc.
18772 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
18773 Don't define. All callers of xfree/my_strsignal changed to use
18774 free/strsignal instead.
18775 (allocate_cluster): Call xcalloc, not calloc.
18777 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
18778 Fix memory leak, free allocated memory.
18780 * prefix.c (translate_name): Call xstrdup, not save_string.
18781 (update_path): Likewise.
18783 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
18785 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
18786 Don't define. Callers of xfree/savestring2 changed to use
18787 free/concat instead.
18789 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
18790 (init_elim_table): Likewise.
18792 * resource.c (init_resource_info): Likewise.
18794 * stupid.c (stupid_life_analysis): Likewise.
18796 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
18797 (open_dump_file): Call concat, not xmalloc/strcpy/...
18798 (clean_dump_file): Likewise.
18799 (compile_file): Call xstrdup, not xmalloc/strcpy.
18801 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
18803 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
18804 * v850.c (v850_va_arg): New.
18806 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18808 * haifa-sched.c: Tidy comments.
18810 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18812 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
18813 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
18814 $(out_object_file)): Depend on ggc.h.
18815 * c-common.c: Include "ggc.h".
18816 (combine_strings): If doing GC, use ggc_alloc_string.
18817 * c-decl.c: Include "ggc.h".
18818 (ggc_p): Define with value 0.
18819 (mark_binding_level): New function.
18820 (init_decl_processing): Add GC roots.
18821 (mark_c_function_context): New function.
18822 (lang_mark_false_label_stack): New function.
18823 (lang_mark_tree): New function.
18824 (lang_cleanup_tree): New function.
18825 * c-lang.c: Include "ggc.h".
18826 (lang_init): Call c_parse_init.
18827 * c-lex.c: Include "ggc.h".
18828 (check_linenum): If doing GC, don't copy filenames to permanent
18830 * c-parse.in: Include "ggc.h".
18831 (c_parse_init): New function.
18832 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
18833 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
18835 * except.c (mark_eh_state): Mark more state.
18836 * function.c (mark_function_state): Likewise.
18837 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
18838 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
18839 * toplev.c (mark_file_stack): New function.
18840 (compile_file): If doing GC, use ggc_alloc_string on input filename.
18841 (main): Add root for input_file_stack.
18843 * i386.c: Include "ggc.h".
18844 (ix86_mark_machine_status): New function.
18845 (override_options): Set mark_machine_status.
18847 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18849 * tree.c (copy_node): Copy node contents also if doing GC.
18851 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
18853 * collect2.c (scan_libraries): Fix double-thinko :-).
18855 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
18857 * collect2.c (scan_libraries): Fix thinko.
18859 * cse.c (delete_trivially_dead_insns): Do not skip the last
18860 insn if it is a real insn.
18862 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
18864 * Makefile.in (ggc-simple.o): Depend on hash.h.
18865 * ggc.h (ggc_add_tree_hash_table_root): Declare.
18866 (ggc_mark_tree_varray): Likewise.
18867 (ggc_mark_tree_hash_table): Likewise.
18868 * ggc-simple.c: Include hash.h.
18869 (ggc_mark_tree_hash_table_ptr): New function.
18870 (ggc_mark_tree_hash_table_entry): Likewise.
18871 (ggc_mark_tree_hash_table): Likewise.
18872 (ggc_add_tree_hash_table_root): Likewise.
18873 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
18874 rtx, when defining fields.
18876 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
18878 * profile.c (output_func_start_profiler): Remove apparently
18879 nonsensical call to start_sequence.
18881 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
18883 * clipper/clipper.c (clipper_va_start): Fix typos.
18885 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
18886 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
18887 (spur_va_arg): New stub.
18889 * configure.in: Comment out pyramid.
18891 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
18893 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
18894 don't conflict with the bits that win32, cygwin, and dgux
18897 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
18898 Bernd Schmidt <bernds@cygnus.co.uk>
18900 * integrate.c (function_cannot_inline_p): Do not inline
18901 functions with forced labels.
18903 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
18904 Bernd Schmidt <bernds@cygnus.co.uk>
18905 Mark Mitchell <mark@codesourcery.com>
18907 * Makefile.in (ggc-simple.o): Depend on varray.h.
18908 (rtl.o): Depend on ggc.h.
18909 (genattrtab.o): Depend on ggc.h.
18910 (print-tree.o): Likewise.
18911 (fold-const.o): Likewise.
18912 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
18913 (make_insn_raw): Don't cache insns when GC'ing.
18914 (emit_insn_before): Likewise.
18915 (emit_insn_after): Likewise.
18916 (emit_insn): Likewise.
18917 (start_sequence): Use xmalloc to allocate the sequence_stack.
18918 (end_sequence): Add free to free it.
18919 (gen_sequence): Don't cache insns when GC'ing.
18920 (clear_emit_caches): Don't use sequence_element_free_list.
18921 (init_emit): Use xcalloc, not xmalloc+bzero.
18922 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
18923 * function.c (pop_function_context_from): Use free to free the
18924 fixup_var_refs_queue.
18925 (put_reg_into_stack): Allocate it with xmalloc.
18926 * genattrtab.c: Include ggc.h.
18927 (operate_exp): Don't use obstack_free when GC'ing.
18928 (simplify_cond): Likewise.
18929 (simplify_text_exp): Likewise.
18930 (optimize_attrs): Likewise.
18931 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
18933 (gencode): Generate a #include for ggc.h.
18934 * ggc-callbacks.c (ggc_p): Define it to zero.
18935 * ggc-none.c (ggc_p): Likewise.
18936 * ggc-simple.c: Include varray.h.
18937 (ggc_mark_tree_varray): New function.
18938 (ggc_add_tree_varray_root): Likewise.
18939 (ggc_mark_tree_varray_ptr): Likewise.
18940 * ggc.h (ggc_p): Declare.
18941 (varray_head_tag): Likewise.
18942 (ggc_add_tree_varray_root): Declare.
18943 * print-tree.c (print_node): Don't check for TREE_PERMANENT
18944 inconsistencies when GC'ing.
18945 * rtl.c: Include ggc.h.
18946 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
18947 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
18948 (rtx_free): Don't call obstack_free when GC'ing.
18949 * toplev.c (rest_of_compilation): Call ggc_collect after every
18951 * tree.c (push_obstacks): Do nothing, if GC'ing.
18952 (pop_obstacks_nochange): Likewise.
18953 (pop_obstacks): Likewise.
18954 (make_node): Use ggc_alloc_tree when GC'ing.
18955 (copy_node): Likewise.
18956 (get_identifier): Use ggc_alloc_string when GC'ing.
18957 (build_string): Likewise.
18958 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
18959 (tree_cons): Likewise.
18960 (build1): Likewise.
18961 (type_hash_canon): Don't call obstack_free when GC'ing.
18963 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
18965 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
18966 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
18968 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
18969 Bernd Schmidt <bernds@cygnus.co.uk>
18970 Mark Mitchell <mark@codesourcery.com>
18972 * Makefile.in (stor-layout.o): Depend on ggc.h.
18973 (expr.o): Depend on ggc.h.
18974 (profile.o): Depend on ggc.h.
18975 (stor-layout.o): Depend on ggc.h.
18976 * emit-rtl.c (init_emit_once): Add gc roots.
18977 * expr.c: Include ggc.h.
18978 (emit_block_move): Add gc roots.
18979 (clear_storage): Likewise.
18980 * expr.h (init_stor_layout_once): New function.
18981 * profile.c: Include ggc.h.
18982 (init_arc_profiler): profiler_label is a root.
18983 * scan.c (make_sstring_space): Trust xrealloc to function
18984 correctly with first parameter NULL.
18985 * stor-layout.c: Include ggc.h.
18986 (set_sizetype): Add gc root.
18987 (init_stor_layout_once): New function.
18988 * toplev.c (compile_file): Call it.
18990 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
18991 Bernd Schmidt <bernds@cygnus.co.uk>
18992 Mark Mitchell <mark@codesourcery.com>
18994 * Makefile.in (tree.o): Depend on ggc.h.
18995 (varasm.o): Likewise.
18996 (function.o): Likewise.
18997 (stmt.o): Likewise.
18998 (except.o): Likewise.
18999 (optabs.o): Likewise.
19000 (emit-rtl.o): Likewise.
19001 * emit-rtl.c: Include ggc.h.
19002 (sequence_element_free_list): Remove, and all references.
19003 (mark_sequence): New functions.
19004 (mark_emit_state): New function.
19005 * except.c: Include ggc.h.
19006 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
19007 (mark_tree_label_node): New functions.
19008 (mark_eh_state): New function.
19009 * function.c: Include ggc.h.
19010 (mark_temp_slot, mark_function_chain): New functions.
19011 (mark_function_state): New function.
19012 (init_function_once): New function.
19013 * function.h (init_function_once): New function.
19014 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
19015 * ggc.h (label_node): Declare.
19016 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
19017 (lang_mark_false_label_stack): New function.
19018 (mark_temp_slot): Remove declaration.
19019 (mark_function_chain): Likewise.
19020 (mark_eh_state): Adjust prototype.
19021 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
19023 * optabs.c: Include ggc.h.
19024 (mark_optab): New function.
19025 (init_optabs): Add gc roots.
19026 * stmt.c: Include ggc.h.
19027 (mark_cond_nesting, mark_loop_nesting): New functions.
19028 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
19029 (mark_stmt_state): New function.
19030 * toplev.c (compile_file): Call init_function_once.
19031 * tree.c: Include ggc.h.
19032 (type_hash): Move declaration earlier in file.
19033 (TYPE_HASH_SIZE, type_hash_table): Likewise.
19034 (init_obstacks): Add gc roots.
19035 (mark_type_hash): New function.
19036 * varasm.c: Include ggc.h.
19037 (mark_pool_constant): New function.
19038 (mark_varasm_state): New function.
19040 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19042 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
19044 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19046 * c-decl.c (struct language_function): Renamed from struct c_function.
19048 (c_function_chain): Delete.
19049 (push_c_function_context): New arg F. Don't warn about nested
19050 functions here. Fill LANGUAGE elt of F. Delete code to update
19051 c_function_chain. Don't call push_function_context.
19052 (pop_c_function_context): New arg F. Restore from there instead of
19053 from c_function_chain. Don't call pop_function_context. Clear out
19054 LANGUAGE field of F when done.
19055 * c-lang.c: Include "function.h"
19056 (lang_init): Initialize save_lang_status and restore_lang_status.
19057 * c-parse.in (nested_function, nested_function_notype): Warn about
19058 nested functions. Call push_function_context/pop_function_context
19059 instead of the _c_ variants.
19060 * c-tree.h (push_c_function_context, pop_c_function_context): Update
19062 * Makefile.in (c-lang.o): Update dependencies.
19064 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
19065 regno_pointer_flag, regno_pointer_align.
19066 (gen_reg_rtx): Use xrealloc to enlarge them.
19067 (free_emit_status): New function.
19068 * function.c (mark_machine_status, mark_lang_status): New variables.
19069 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
19070 in some bits from assign_stack_local. All callers changed to use new
19072 (assign_stack_local): Just call assign_stack_local_1.
19073 (free_after_compilation): New function.
19074 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
19075 (trampoline_address): Likewise.
19076 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
19077 (prepare_function_start): Explicitly clear some more variables.
19078 * function.h (struct function): New elt can_garbage_collect.
19079 (mark_machine_status, mark_lang_status): Declare variables.
19080 (free_after_compilation, free_emit_status, free_varasm_status,
19081 init_varasm_status): Declare functions.
19082 * toplev.c (rest_of_compilation): Call free_after_compilation when
19083 done with the current function.
19084 * varasm.c (free_varasm_status): New function.
19086 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
19088 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
19089 (EXPAND_BUILTIN_VA_ARG): Define.
19090 * sparc.c (sparc_va_start): New.
19091 (sparc_va_arg): New.
19093 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19095 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
19097 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19099 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
19101 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
19103 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
19104 (OBJS): Add $(GGC).
19105 (ggc-callbacks.o): New target.
19106 * ggc-callbacks.c: New file.
19108 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19110 * expr.h: Collapse individual optab and libfunc vars to arrays.
19111 (optab_index, libfunc_index): New enumerations.
19112 (optab_table, libfunc_table): New arrays.
19113 Add accessor macros for both.
19115 * optabs.c (optab_table, libfunc_table): New.
19116 Delete declarations for individual optab and libfunc vars.
19118 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
19120 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
19122 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
19124 * Makefile.in (GGC, GGC_LIB): New.
19125 (HOST_RTL): Include ggc-none.o.
19126 (ggc-simple.o): New target.
19127 (ggc-none.o): Likewise.
19128 * tree.h (tree_common): Add gc_mark.
19129 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
19130 (struct rtvec_def): Add gc_mark.
19131 * emit-rtl.c (global_rtl): Update static initializers to contain
19132 enough initializers.
19133 * ggc.h, ggc-none.c, ggc-simple.c: New files.
19134 * toplev.c (gc_time): New variable.
19135 (all_time): New variable.
19136 (compile_file): Print gc time.
19137 (print_time): Calculate percentage of the whole.
19139 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19141 Change obstack memory management and varasm constant pool handling so
19142 that nested functions are treated like any other functions.
19143 * function.c (init_machine_status): New variable.
19144 (push_function_context_to): Set contains_functions for the outer
19145 function. Don't call save_varasm_status.
19146 (pop_function_context_from): Don't call restore_varasm_status. Don't
19147 set current_function_contains_functions.
19148 (prepare_function_start): Call init_varasm_status rather than
19149 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
19151 * function.h (struct function) Add field varasm. Delete fields
19152 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
19153 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
19154 (init_machine_status): Declare.
19155 (save_varasm_status, restore_varasm_status): Delete declarations.
19156 (save_tree_status, restore_tree_status): Delete last argument.
19157 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
19158 code. All callers changed.
19159 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
19160 save_constants_in_decl_trees, restore_constants, save_constants,
19161 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
19163 (inlining): New variable.
19164 (reg_map, label_map, insn_map, orig_asm_operands_vector,
19165 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
19167 (save_for_inline_nocopy): Don't save constants.
19168 Don't set inl_emit field in current_function.
19169 (expand_inline_function): Use emit field, not inl_emit, of the inlined
19170 function. Set new variable inlining before
19171 calling copy_rtx_and_substitute.
19172 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
19173 constant pool references if inlining is nonzero.
19174 Delete ADDRESS and (most of the) CONST cases.
19175 (output_inline_function): Save and restore current_function/
19176 current_function_decl. Delete restore_constants code. Don't call
19177 init_const_rtx_hash_table.
19178 * output.h (init_const_rtx_hash_table): Don't declare.
19179 * rtl.h (struct function): Declare.
19180 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
19181 * toplev.c (rest_of_compilation): Don't treat nested functions or
19182 functions containing them specially. Delete all code to deal with
19183 save_for_inline_copying.
19184 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
19185 inline_obstacks): Delete variables.
19186 (save_tree_status): Lose arg CONTEXT. All callers changed.
19187 Simply allocate a new function_maybepermanent_obstack for the new
19188 function, delete all the special cases.
19189 Don't save inline_obstacks.
19190 (restore_tree_status): Lose arg CONTEXT. All callers changed.
19191 Delete special handling for function_maybepermanent_obstack; simply
19193 Don't restore inline_obstacks.
19194 (permanent_allocation): Delete code that frees inline_obstacks.
19195 (print_inline_obstack_statistics): Delete function.
19196 (dump_tree_statistics): Don't call it.
19197 * varasm.c (struct varasm_status): New.
19198 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
19199 last_pool, pool_offset, const_double_chain): Delete global
19200 variables, replace with accessor macros.
19201 (immed_double_const): Don't walk const_double_chain outside a
19202 function, but don't treat nested functions specially anymore.
19203 (immed_real_const_1): Likewise.
19204 (clear_const_double_mem): Don't treat nested functions specially.
19205 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
19206 (save_varasm_status, restore_varasm_status): Delete functions.
19207 (init_varasm_status): New function.
19208 (force_const_mem): Don't treat nested functions specially.
19209 (find_pool_constant): Accept new arg F, search for constants in
19210 that function's pool rather than the current one. All callers
19212 (get_pool_constant_for_function, get_pool_mode_for_function): New
19215 * i386.c (init_386_machine_status): New function, mostly from
19216 clear_386_stack_locals.
19217 (struct machine_functions): Rename element names to avoid name
19219 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
19220 macros, replacing global variables.
19221 (clear_386_stack_locals, save_386_machine_status,
19222 restore_386_machine_status): Delete functions.
19223 (override_options): Initialize init_machine_status.
19224 * i386.h (INIT_EXPANDERS): Delete macro.
19225 (save_386_machine_status, restore_386_machine_status,
19226 clear_386_stack_locals): Delete declarations.
19228 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19230 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
19231 (doloop_begin): Simplify pattern and use emit_jump_insn.
19232 (doloop_end): Simplify pattern, switch operand order,
19233 and use emit_jump_insn.
19235 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
19237 * function.h (struct function): Add new element LANGUAGE.
19238 (save_lang_status): Declare new variable.
19239 (restore_lang_status): Likewise.
19240 * function.c (save_lang_status): Define.
19241 (restore_lang_status): Likewise.
19242 (push_function_context_to): Call language-specific save function.
19243 (pop_function_context_from): Call language-specific restore function.
19245 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19247 * i386.md (movsf_1): Check REG_P before use of REGNO.
19248 (movdf_1): Likewise.
19249 (movxf_1): Likewise.
19250 (extendsfdf2): Likewise.
19251 (extendsfxf2): Likewise.
19252 (extenddfxf2): Likewise.
19254 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19256 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
19257 constants into memory.
19258 (c4x_shiftable_constant): New function.
19259 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
19260 (c4x_shiftable_constant): Declare.
19261 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
19262 ashlqi3_noclobber): Add new patterns and associated splitters.
19264 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
19266 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
19267 * dwarf2out.c (dwarf2out_frame_init): Likewise.
19268 * final.c (shorten_branches): Likewise.
19269 * global.c (global_alloc): Likewise.
19270 * haifa-sched.c (build_control_flow): Likewise.
19271 * stmt.c (check_for_full_enumeration_handling): Likewise.
19272 (estimate_case_costs): Likewise.
19274 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
19276 * rtl.h (RTL_CHECKC2): Fix typo in last change.
19278 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
19280 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
19281 (recompute_reg_usage): Likewise.
19282 * rtlanal.c (find_regno_fusage): Likewise.
19284 * rtl.c (rtl_check_failed_code1): New function.
19285 (rtl_check_failed_code2): New.
19286 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
19287 (RTL_CHECKC1, RTL_CHECKC2): New.
19288 (XC*): New accessor macros.
19289 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
19290 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
19291 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
19292 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
19293 (TRAP_*, RANGE_INFO_*): Likewise.
19295 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19297 * Makefile.in (tlink.o): Don't depend on toplev.h.
19299 * collect2.c (c_file, o_file, export_file, import_file, ldout,
19300 output_file, nm_file_name, ldd_file_name, strip_file_name,
19301 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
19302 add_prefix, prefix_from_env, prefix_from_string, do_wait,
19303 fork_execute, maybe_unlink, add_to_list,
19304 extract_init_priority, write_list, dump_list,
19305 dump_prefix_list, write_list_with_asm, write_c_file,
19306 write_c_file_stat, write_c_file_glob, scan_prog_file,
19307 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
19308 ignore_library, extract_string, notice, dump_file, target_machine,
19309 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
19310 read_file, print_load_command): Constify a char*.
19311 (fdopen, error, fatal, fatal_perror): Don't prototype.
19312 (my_strerror): Remove. All callers use xstrerror instead.
19313 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
19314 (main): Add prototype. Constify lots of char* ptrs. Change calls
19315 to xcalloc/strcpy/strcat/... to one call to concat.
19316 (main, scan_prog_file, scan_libraries): Use an intermediate
19317 `const char **' to build an argv array.
19318 (mapfile, libselect, libcompare, locatelib): Add prototypes.
19320 * collect2.h (collect_execute, collect_wait, dump_file,
19321 file_exists): Constify a char*.
19322 (ldout, c_file_name, temporary_obstack, permanent_obstack,
19323 temporary_firstobj, vflag, debug): Add extern declarations.
19324 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
19326 * tlink.c: Don't include toplev.h.
19327 (vflag, debug, ldout, c_file_name, temporary_obstack,
19328 permanent_obstack, temporary_firstobj): Don't declare.
19329 (tlink_execute, frob_extension, symbol_hash_lookup,
19330 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
19331 recompile_files, read_repo_files, demangle_new_symbols,
19332 scan_linker_output): Constify a char*.
19333 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
19334 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
19336 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
19338 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
19339 (relative) rather than jsr (absolute) subroutine call insns.
19340 * config/m68k/m68k-coff.h: Ditto.
19342 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
19344 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
19345 now rework these too.
19346 (arm_reorg): If an insn can't reach the end of the current pool,
19347 ensure that we emit that pool before the insn.
19349 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
19351 * tlink.c (scan_linker_output): Skip the initial underscore in
19352 a mangled name if appropriate.
19354 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19356 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
19357 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
19358 error_with_ivar, gen_declarator, create_builtin_decl,
19359 my_build_string, generate_descriptor_table, generate_ivars_list,
19360 generate_dispatch_table, check_protocols, TAG_GETCLASS,
19361 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
19362 dump_base_name, lang_decode_option, build_encode_expr,
19363 start_class, finish_class, encode_pointer, really_start_method,
19364 gen_declaration, dump_interface, handle_class_ref, handle_impent):
19366 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
19367 Add static prototypes.
19368 (build_objc_string_decl, build_selector_reference_decl,
19369 encode_bitfield, build_class_reference_decl): Remove unused
19370 parameter, all callers changed.
19371 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
19372 (objc_printable_name): Likewise. Change second parameter to type int.
19373 (init_objc): Use memcpy, not bcopy, to avoid casts.
19375 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
19377 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
19378 reg notes on a deleted insn.
19379 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
19381 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
19383 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
19385 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19387 * stmt.c (expand_asm_operands): Fix index into inout_mode when
19390 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
19392 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
19393 * tm.texi (MD_ASM_CLOBBERS): Document it.
19395 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
19397 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
19398 * except.c (expand_rethrow): Remove unused variable.
19399 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
19400 * flow.c (replace_insns): Likewise.
19401 (create_edge_list, verify_edge_list): Likewise.
19402 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
19404 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
19405 is special code to run.
19406 (main): Don't define operands to emit_operand.
19407 * genrecog.c (main): Don't emit an empty peephole2_insn function.
19409 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
19411 * alpha/alpha.h (normal_memory_operand): Declare.
19412 (reg_no_subreg_operand): Declare.
19413 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
19415 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
19417 * c-parse.in (compstmt_primary_start): New, broken out of first
19418 part of compstmt handling in primary.
19419 (primary): Use it. Add an error clause.
19420 (compstmt_nostart): Renamed from compstmt; remove all
19421 initial invocations of compstmt_start.
19424 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
19426 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
19429 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
19431 * combine.c (simplify_shift_const): Remove extra semicolon.
19432 * dwarf2out.c (remove_AT): Likewise.
19433 * expmed.c (expand_mult): Likewise.
19434 * gcov.c (create_program_flow_graph): Likewise.
19435 * reorg.c (mostly_true_jump): Likewise.
19437 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
19439 * fold-const.c (fold_range_test): Do not try to fold the range
19440 test if the rhs or lhs has side effects.
19442 * combine.c (simplify_rtx): Recognize another case of a synthesized
19445 * varasm.c (mark_constant_pool): When marking indirect references,
19446 only look at SYMBOL_REFs.
19448 * except.c (expand_fixup_region_end): Do not peek at
19449 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
19451 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
19453 * flags.h: New variables align_loops, align_loops_log,
19454 align_jumps, align_jumps_log, align_labels, align_labels_log,
19455 align_functions, align_functions_log.
19456 * toplev.c: Define them.
19457 (f_options): Handle -falign-* when they have no argument.
19458 (main): Add logic to set variables for -falign-functions,
19459 -falign-jumps, -falign-labels, -falign-loops.
19460 Make it -fsched-verbose=<n> and -finline-limit=<n>.
19461 (display_help): Change help to match options.
19462 * final.c (LABEL_ALIGN): Default to align_labels_log.
19463 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
19464 (LOOP_ALIGN): Default to align_loops_log.
19465 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
19466 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
19467 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
19468 * varasm.c (assemble_start_function): Handle align_functions.
19470 * config/sparc/sparc.h: Don't declare sparc_align_*.
19471 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
19472 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
19474 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
19476 * config/sparc/sparc.c: Delete sparc_align_loops,
19477 sparc_align_jumps, sparc_align_funcs and the corresponding string
19479 (sparc_override_options): Default align_functions on ultrasparc.
19480 Delete -malign-* handling.
19482 * config/mips/mips.c (override_options): On 64-bit targets,
19483 try to align code to 64-bit boundaries.
19484 (print_operand): New substitution, %~,
19485 which aligns labels to align_labels_log.
19486 * config/mips/mips.md (div_trap_normal): Use %~.
19487 (div_trap_mips16): Likewise.
19489 (absdi2): Likewise.
19490 (ffssi2): Likewise.
19491 (ffsdi2): Likewise.
19492 (ashldi3_internal): Likewise.
19493 (ashrdi3_internal): Likewise.
19494 (lshrdi3_internal): Likewise.
19495 (casesi_internal): Likewise.
19497 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
19499 Merge new ia32 backend from the branch!
19501 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
19502 See ChangeLog.P2 on new_ia32_branch for details.
19504 * rtl.h (stack_regs_mentioned_p): Delete prototype.
19505 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
19506 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
19507 * i386/gas.h (ASM_FILE_START): Define.
19508 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
19509 for name change of ix86_valid_decl_attribute_p.
19510 (i386_pe_valid_type_attribute_p): Similarly.
19512 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
19514 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
19515 to step through CC modes.
19517 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19519 * regmove.c (fixup_match_1): Don't move INSN in front of P if
19520 it would end up in the shadow of a live flags regsiter.
19522 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19524 * reload1.c: Fix many indentation problems.
19525 * reload.c: Likewise.
19527 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
19529 * alias.c (non_local_reference_p): Constify fmt.
19531 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
19533 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
19535 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
19537 * cse.c (delete_trivially_dead_insns): Do not delete stores to
19538 the internal_arg_pointer.
19540 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
19542 Merge peephole2 from new_ia32_branch:
19543 * Makefile.in (STAGESTUFF): Add *.peephole2.
19544 (mostlyclean): Likewise.
19545 (recog.o): Depend on resource.h.
19547 * final.c (peephole): Conditionalize decl on HAVE_peephole.
19548 (final_scan_insn): Likewise for the invocation of peephole.
19549 * genconfig.c (main): Look for peephole and peephole2 patterns.
19550 Emit HAVE_peephole* accordingly.
19551 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
19552 * flags.h (flag_peephole2): Declare.
19553 * toplev.c: New pass peephole2. New flag -fpeephole2.
19555 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
19556 * gencodes.c (main): Likewise.
19557 * genextract.c (main): Likewise.
19558 * genoutput.c (main): Likewise.
19559 * genemit.c (max_operand_1): Look for the max scratch operand.
19560 (gen_rtx_scratch): New.
19561 (gen_exp): Use it, and pass on new arg subroutine_type.
19562 (gen_expand): Take max scratch into account.
19563 (gen_split): Emit peephole2 functions.
19564 (output_peephole2_scratch): New.
19565 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
19566 * genrecog.c (routine_type): Add PEEPHOLE2.
19568 (make_insn_sequence): Match outer parallel for peep2. Discard
19569 top level scratches and dups.
19570 (add_to_sequence): New args insn_type and top. Update all callers.
19571 Handle toplevel peep2 matching insns.
19572 (write_subroutine): Handle peep2.
19573 (write_tree_1): Likewise.
19574 (write_tree): Likewise.
19576 (change_state): New arg afterward. Update all callers.
19577 Handle matching separate insns.
19578 * recog.c (recog_next_insn): New.
19579 (peephole2_optimize): New.
19580 * rtl.def (DEFINE_PEEPHOLE2): New.
19581 * resource.c (find_free_register): New argument last_insn. Use it
19582 to find a register available through the entire span.
19583 * resource.h (find_free_register): Update prototype.
19585 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
19587 * i386.c (output_strlen_unroll): Don't write xops[7]
19588 label if it wasn't set.
19590 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
19592 * cpplib.c (struct directive): Const-ify name pointer and
19593 function pointer prototype.
19594 (validate_else, do_define, do_line, do_include, do_undef,
19595 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
19596 do_elif, do_endif, do_sccs, do_assert, do_unassert,
19597 do_warning): Const-ify second arg.
19598 (directive_table): Mark const. Reorder entries by frequency
19599 of usage, record statistics.
19601 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
19603 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
19604 bounds- check RTL accesses if --enable-checking.
19605 (RTVEC_ELT): Bounds check if --enable-checking.
19606 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
19607 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
19608 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
19610 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
19611 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
19613 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
19614 (NOTE_SOURCE_FILE): Use X0STR.
19615 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
19616 MEM_ALIAS_SET): Use X0INT.
19617 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
19618 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
19620 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
19621 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
19622 (rtl_check_failed_bounds, rtl_check_failed_type1,
19623 rtl_check_failed_type2, rtvec_check_failed_bounds): New
19625 (fancy_abort): Fix comment.
19627 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
19628 (cse_insn): Decrement LABEL_NUSES for jump target before
19629 deleting jump insn.
19630 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
19631 * final.c (alter_subreg): Compute regno before changing x to
19632 REG; set REGNO(x) after changing it.
19633 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
19634 notes containing CONST_INTs.
19635 (delete_eh_regions): Use NOTE_EH_HANDLER.
19636 * function.c (put_reg_into_stack): Make reg a MEM before
19638 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
19640 (gen_mem_addressof): Make reg a MEM before initializing it.
19641 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
19643 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
19644 deleting an insn, not after.
19645 (block_alloc): Only look at PATTERN(insn) if we have to, and
19646 only if it's format class 'i'.
19647 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
19648 CONST_INT before using its INTVAL.
19649 * print-rtl.c (print_rtx): Use X0STR.
19650 * regmove.c (fixup_match_1): Don't look at PATTERN of
19651 non-class-'i' insn chain elements.
19652 * reload.c (loc_mentioned_in_p): Take address of
19653 in->fld[1].rtx directly.
19654 * reload1.c (reload): Change reg to a MEM before initializing
19656 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
19658 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
19660 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
19662 * config/mips/mips.c (machine_dependent_reorg): Force a
19663 barrier to output the local constant pool if a barrier hasn't
19664 been found at a natural point in the instruction stream.
19666 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19668 * c-parse.in (language_string): Constify.
19670 * dwarf2out.c (language_string): Remove declaration.
19672 * dwarfout.c (language_string): Likewise.
19674 * toplev.c (language_string, init_parse, finish_parse): Likewise.
19676 * tree.h (language_string, init_parse, finish_parse): Declare.
19678 * i386/sun386.h (language_string): Remove declaration.
19680 * mips.h (language_string): Likewise.
19682 * nextstep.h (language_string): Likewise.
19684 * nextstep21.h (language_string): Likewise.
19686 * rs6000.c (language_string): Likewise.
19688 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19690 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
19691 (getpwd.o): Remove target.
19693 * getpwd.c: Delete file. Its in libiberty now.
19695 * dbxout.c (getpwd): Don't prototype.
19696 * dwarf2out.c (getpwd): Likewise
19697 * dwarfout.c (getpwd): Likewise
19698 * final.c (getpwd): Likewise.
19699 * protoize.c (getpwd): Likewise.
19701 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19703 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
19705 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
19707 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
19708 mark_set_resources.
19710 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
19712 * fixinc/Makefile.in (subdir): New.
19713 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
19716 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
19718 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
19719 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
19722 * invoke.texi: Fix typo.
19724 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
19725 changed. Handle autoincrement addressing modes.
19727 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
19728 just like we would the virtual incoming args register when
19731 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
19733 * rs6000.h (ASM_FILE_START): Specify complete filename, including
19734 path, in .file directive.
19736 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
19738 * gcc.texi (External Bugs): Remove obsolete note about Perl on
19741 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
19743 * stdbool.h: Make the typedef name _Bool, with bool a #defined
19746 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19748 * tree.c (tree_code_name): Constify a char*.
19750 * tree.h (tree_code_name, decl_printable_name): Likewise.
19752 * function.h (struct function): Likewise.
19754 * toplev.c (decl_name, decl_printable_name): Likewise.
19756 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
19758 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
19759 (init_objc): Remove function pointer cast.
19761 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
19763 * pa.md (interspace_jump): New pattern.
19764 (builtin_longjmp): New expander.
19766 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
19768 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
19769 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
19770 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
19772 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
19774 * jump.c (delete_prior_computation): Also check calls
19775 to constant functions. Don't bother checking for a
19776 REG_UNUSED note before adding it.
19777 (delete_computation): Handle multi-word hard registers
19778 when synthesizing missing REG_DEAD notes for a register
19779 which is both set and used by an insn.
19781 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19783 * loop.c (this_loop_info): New variable.
19784 (loop_has_call, loop_has_volatile, loop_has_tablejump,
19785 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
19787 (prescan_loop, strength_reduce): New argument loop_info. All callers
19789 (scan_loop): New variable loop_info, initialise to address of
19791 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
19792 Delete variable loop_has_multiple_exit targets and replace with
19793 field in this_loop_info.
19794 (find_and_verify_loops): Rename this_loop to this_loop_num.
19795 (strength_reduce): Delete loop_iteration_info. Replace variable
19796 loop_info with function argument of same name.
19797 (insert_bct): Rework test for loop being completely unrolled.
19799 * loop.h (struct loop_info): New fields num, loops_enclosed,
19800 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
19801 has_indirect_jump, and cont. Redefine use of unroll_number.
19802 (loop_unroll_number): Delete.
19804 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
19805 field of loop_info.
19806 (loop_iterations): Delete variable vtop and instead use
19807 loop_info->vtop computed in prescan_loop.
19809 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
19811 * fix-header.c (main): Do not pass a null pointer to strcmp.
19813 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
19815 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
19817 * configure: Rebuilt.
19819 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
19821 * jump.c (jump_optimize_1): Do not delete assignments to
19822 internal_arg_pointer.
19823 * cse.c (delete_trivially_dead_insns): Always consider a set of
19824 the internal_arg_pointer live.
19826 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
19828 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
19829 (update_life_info) [REG_WAS_0]: Search the original insns rather
19830 than the new insns for the note. Fix typos finding note_dest.
19831 If no dest found, discard the note rather than abort.
19832 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
19833 (replace_insns): Remove the old insn list after update_life_info
19836 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
19838 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
19839 sched_analyze_insn.
19840 (sched_analyze_1): Let add_dependence care for not adding dups.
19841 (sched_analyze_2): Likewise.
19842 (add_branch_dependences): Likewise.
19844 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
19846 * i386/winnt.c (export_list): New type.
19847 (exports_head): Rename to
19848 (export_head): this.
19849 (i386_pe_record_exported_symbol): Add is_data flag.
19850 (i386_pe_asm_file_end): Emit directive for exported variables.
19851 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
19853 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
19854 (ASM_DECLARE_OBJECT_NAME): Likewise.
19855 (ASM_DECLARE_FUNCTION_NAME): Likewise.
19856 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
19858 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
19860 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
19862 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
19865 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
19867 * config/openbsd.h: Define SET_ASM_OP.
19868 * tm.texi: cross-reference SET_ASM_OP in the index.
19870 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
19872 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
19873 for a CONST_DOUBLE, at compile time. Initialize rtx_length
19874 and class_narrowest_mode at compile time. Kill init_rtl.
19875 Mark rtx_length, mode_class, mode_size, mode_unit_size,
19876 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
19877 rtx_format as const. Kill all references to EXTRA_CC_MODES or
19879 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
19881 * rtl.h: Declare rtx_length and rtx_format as const.
19882 * machmode.def: Define CC(). Use CC() to define CCmode. If
19883 EXTRA_CC_MODES is defined, expand it here.
19884 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
19885 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
19886 const. Kill all references to EXTRA_CC_MODES.
19888 * toplev.c: Don't prototype or call init_rtl.
19889 * optabs.c: Don't call init_mov_optab.
19890 * genemit.c: Don't generate init_mov_optab. Don't call
19892 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
19894 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
19895 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
19896 genrecog.c: Don't call init_rtl.
19898 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
19899 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
19900 definition of EXTRA_CC_MODES.
19902 * md.texi: Kill ref to EXTRA_CC_NAMES.
19903 * tm.texi: Document new way to define EXTRA_CC_MODES.
19905 * genrecog.c: Do not look up the name of a define_split.
19906 (Unrelated bugfix.)
19908 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
19910 * config/v850/v850.md: Fix typo introduced by previous delta.
19912 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19914 * gcc.c (fatal): Make definition static to match prototype.
19916 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19918 * combine.c (get_last_value): Don't look for earlier sets if the last
19919 known set is somewhere in between the insns being combined.
19921 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
19923 * configure.in: Don't use shell ! to negate exit codes
19924 * configure: Regenerate
19926 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
19928 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
19929 the fact that ALIGN is measured in bits, not bytes.
19931 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
19933 * errors.c: New file; defines functions error, warning, and
19934 fatal, variables have_error and progname.
19935 * errors.h: New file; prototypes and decls for stuff in errors.c.
19937 * Makefile: Add rules to build errors.o and
19938 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
19939 genopinit, genrecog, genextract, genpeep, genattr, and
19940 genoutput with errors.o. Add errors.h to deps of genconfig.o,
19941 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
19942 genpeep.o, genattr.o, and genoutput.o.
19944 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
19945 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
19946 define or prototype fatal. Set progname at beginning of main.
19947 * genoutput.c: Likewise, and don't define or prototype error
19950 * c-typeck.c (c_expand_start_case): Return immediately if exp
19952 * fold-const.c (operand_equal_p): Return immediately if arg1
19953 or arg0 are ERROR_MARKs.
19954 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
19955 fields of type ERROR_MARK when calculating if the record can
19958 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
19959 with much help from Jeffrey A Law and Richard Henderson
19961 * i386.md: In the 6 insns which call output_fix_trunc,
19962 earlyclobber operands[0].
19964 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
19966 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
19967 creating new registers.
19969 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
19971 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
19972 i386_reg_alloc_order, i386_regparm_string,
19973 i386_align_loops_string, i386_align_jumps_string,
19974 i386_align_funcs_string, i386_preferred_stack_boundary_string,
19975 and i386_branch_cost_string as type "const char *".
19976 * i386.c: Define all above strings as type "const char *".
19978 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
19980 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
19981 when emitting alignment padding. Emit padding byte of 0 instead of 4.
19983 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19985 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
19986 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
19988 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
19990 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
19991 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
19992 (dwarf2out_line, dwarf2out_finish): Likewise.
19993 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
19995 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
19997 * tree.c (lang_unsave_expr_now) : Correct return type.
19998 * tree.h (lang_unsave_expr_now) : Same.
20000 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
20002 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
20003 instead of duplicating code.
20005 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20007 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
20009 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
20011 * tree.h: fancy_abort always takes three args.
20012 * resource.c: Move include of system.h before toplev.h.
20014 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
20016 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
20019 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
20021 * system.h: Don't redefine abort or trim_filename.
20022 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
20023 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
20024 whether or not __FUNCTION__ is available.
20025 * tree.h: Duplicate rtl.h's definition of abort, for files
20026 that don't include rtl.h. Delete all code to perform type
20027 checking with a compiler other than GCC.
20028 * varray.h: Delete all code to perform type checking with a
20029 compiler other than GCC. Make VARRAY_CHECK() always evaluate
20030 its arguments exactly once, using a statement expression.
20031 Adjust the VARRAY_<type> accessor macros to match.
20032 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
20033 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
20034 caller's location. Define fatal_insn and fatal_insn_not_found
20035 as macros that use _fatal_insn and _fatal_insn_not_found.
20036 (fancy_abort, trim_filename): Kill prototypes.
20038 * rtl.c (trim_filename): Move here from toplev.c.
20039 (fancy_abort): New function.
20040 (DIR_SEPARATOR): Provide default definition.
20041 * tree.c (tree_check_failed, tree_class_check_failed): Go
20042 through fancy_abort.
20043 (tree_check, tree_class_check, cst_or_constructor_check,
20044 expr_check): Delete.
20045 * varray.c (varray_check_failed): New function.
20046 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
20047 _fatal_insn and _fatal_insn_not_found. Go through
20049 (trim_filename, fancy_abort): Delete.
20051 * builtins.c (expand_builtin_args_info): Report ICE with abort.
20052 * except.c (start_catch_handler): Report ICE with error/abort
20054 * final.c (output_operand_lossage): Likewise.
20055 * flow.c (verify_flow_info): Likewise.
20057 * gcc.c: Prototype fatal.
20058 * gengenrtl.c: Undef abort after including rtl.h not system.h.
20059 * genattr.c, genattrtab.c, genemit.c, genextract.c,
20060 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
20061 Don't define fancy_abort.
20063 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
20065 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
20068 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
20070 * m88k.h (VERSION_INFO2): Kill.
20071 (VERSION_STRING): Kill.
20073 (VERSION_INFO1): Tidy.
20074 (TARGET_VERSION): Update.
20075 * m88k/dgux.h (VERSION_INFO2): Kill.
20076 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
20077 * m88k/luna.h (VERSION_INFO1): Tidy.
20078 * m88k/sysv4.h (VERSION_INFO1): Likewise.
20079 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
20080 (output_file_start): Adjust for death of VERSION_STRING.
20082 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
20084 * cpplib.c (detect_if_not_defined): New function.
20085 (do_if): Use it to detect potential once-only headers.
20087 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
20089 * c-common.c (combine_strings): Always set TREE_CONSTANT.
20091 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
20093 * combine.c (nonzero_bits) : Allow single-ly set registers to be
20094 anywere in the function only if they are pseudos and set before
20095 being used (not live at the start of the function).
20096 (num_sign_bit_copies) : Same.
20097 (get_last_value_validate) : Same.
20098 (get_last_value) : Same.
20100 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
20102 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
20103 where N and M are constant and N is an integer multiple of M.
20105 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20107 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
20108 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
20109 sbitmap_union_of_preds): Add prototypes.
20110 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
20111 the intersection of successors with the new flow graph structures.
20112 (sbitmap_intersection_of_preds): New function to compute the
20113 intersection of predecessors with the new flow graph structures.
20114 (sbitmap_union_of_succs): New function to compute the union of
20115 successors with the new flow graph structures.
20116 (sbitmap_union_of_preds): New function to compute the union of
20117 predecessors with the new flow graph structures.
20118 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
20119 (expr_reaches_here_p): Use edge and basic_block structures instead
20120 of s_preds and s_succs.
20121 (compute_cprop_avinout): Use new sbitmap routines.
20122 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
20123 of s_preds and s_succs.
20124 * flow.c (compute_flow_dominators): Compute dominators using
20125 edges and basic blocks instead of s_preds and s_succs.
20127 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20129 * lists.c (unused_insn_list, unused_expr_list): New file for
20130 maintaining various types of lists. New statics for maintaining a
20131 cache of available INSN_LIST and EXPR_LIST nodes.
20132 (free_list): Static function for freeing a list of INSN/EXPR nodes.
20133 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
20134 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
20135 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
20136 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
20137 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
20138 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
20139 (free_INSN_LIST_node): Free an individual INSN_LIST node.
20140 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
20141 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
20142 (remove_dependence, free_pending_lists): Use new global routines.
20143 (flush_pending_lists, sched_analyze_insn): Use new global routines.
20144 (sched_analyze, compute_block_backward_dependences): Use new routines.
20145 (sched_analyze_1, sched_analyze_2): Use new routines.
20146 (schedule_insns): Use new global routines.
20147 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
20149 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
20150 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
20152 * toplev.c (rest_of_compilation): Initialize node cache.
20153 * Makefile.in (OBJS): Add lists.o to list of object files.
20154 (lists.o): Add dependancies.
20156 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
20158 * config/v850/v850.md: Fix compile time warning messages.
20159 * config/v850/v850.c: Fix compile time warning messages.
20160 * config/v850/v850.h: Fix compile time warning messages.
20162 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20164 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
20165 Remove unused prototype for `init_lengths'.
20167 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20169 * calls.c (emit_call_1): Mark parameter `stack_size' with
20171 (expand_call): Initialize variable `insn'.
20172 (emit_library_call): Likewise for variable `high_to_save'.
20173 (emit_library_call_value): Likewise.
20174 (store_one_arg): Likewise for variables `lower_bound' and
20177 * combine.c (try_combine): Likewise for variables `i2_code_number'
20178 and `other_code_number'.
20179 (find_split_point): Likewise for variables `pos', `unsignedp' and
20181 (simplify_if_then_else): Likewise for variables `op' and `c1'.
20182 (simplify_and_const_int): Remove unused variable `width'.
20183 (merge_outer_ops): Likewise.
20185 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
20186 HOST_WIDE_INT' when comparing against one.
20187 (simplify_relational_operation): Likewise.
20188 (cse_insn): Initialize variables `src_eqv_volatile',
20189 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
20191 * final.c (init_final): Constify parameter `filename'.
20192 (final_start_function): Mark parameter `optimize' with
20194 (profile_function): Likewise for parameters `first' and `optimize'.
20195 (output_source_line): Likewise for parameter `file'.
20197 * integrate.c (subst_constants): Cast a value to `size_t' when
20198 comparing against one.
20199 (mark_stores): Initialize variable `mode'. Cast a value to
20200 `size_t' when comparing against one.
20202 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
20204 * loop.c (move_movables): Initialize variable `first'.
20205 (strength_reduce): Likewise for variable `increment'.
20206 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
20207 value to `size_t' when comparing against one.
20208 (load_mems): Initialize variable `end_label'.
20210 * output.h (init_final): Constify parameter.
20212 * reload.c (decompose): Initialize variable `base'.
20214 * reload1.c (reload): Likewise for variable `is_scalar'.
20215 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
20216 (choose_reload_regs): Initialize variable `mode'.
20217 (emit_reload_insns): Likewise for variable `store_insn'.
20218 (reload_cse_noop_set_p): Mark parameter `insn' with
20220 (reload_combine): Initialize variable `set'.
20222 * unroll.c (unroll_loop): Likewise for variable `local_label'.
20223 (copy_loop_body): Cast a value to `size_t' when comparing against
20226 * varasm.c (assemble_variable): Initialize variable `size_tree'.
20227 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
20228 (remove_from_pending_weak_list): Mark parameter `name' with
20231 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20233 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
20236 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
20238 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
20239 (ASM_DECLARE_FUNCTION_NAME): Define.
20240 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
20241 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
20242 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
20243 not already defined.
20245 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
20247 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
20248 of n_popped when call/call_value are not defined.
20250 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
20252 * tm.texi: GNU CC -> GCC conversion.
20253 (CC1_SPEC): Indicate it is used for all language front ends.
20255 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
20257 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
20258 NOTE_INSN_EH_REGION_END correctly.
20260 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
20261 Jeff Law <law@cygnus.com>
20263 * loop.c (strength_reduce): Automatically unroll loops if the
20264 unrolled loop size is smaller than the rolled loop size.
20266 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
20267 and delete comment that code should be rewritten.
20269 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
20271 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
20274 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
20276 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
20278 * fixinc/mkfixinc.sh: Don't fix uwin headers.
20279 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
20280 (LINK_SPEC): Add -u _main when building executables.
20281 (ASM_DECLARE_FUNCTION): Update from Cygwin.
20282 (ASM_FILE_END): Use the default for ix86-pe.
20283 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
20285 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
20287 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
20288 and ASM_CLOSE_PAREN are empty strings.
20290 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
20291 Geoffrey Keating <geoffk@cygnus.com>
20293 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
20294 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
20295 (unprotoize.o): Ditto.
20296 (test-protoize-simple): Don't define STD_PROTO_DIR.
20297 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
20298 changes to make 'test-protoize-simple' pass.
20299 (STD_PROTO_DIR): Remove define.
20300 (STANDARD_EXEC_PREFIX): Supply default define.
20301 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
20302 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
20303 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
20304 (GET_ENV_PATH_LIST): New macro.
20305 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
20306 (do_processing): Initialize default_syscalls_dir using new
20307 macros. Use it to initialize syscalls_absolute_filename.
20309 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
20311 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
20312 B into a register before emit_conditional_move.
20314 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
20316 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
20317 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
20318 multiplicand out of (+ (* a b) (* c d)).
20320 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
20321 Richard Henderson <rth@cygnus.com>
20323 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
20324 (new_insn_dead_notes): Likewise.
20325 (update_n_sets): Likewise.
20326 (update_flow_info): Move to flow.c, renamed to update_life_info;
20327 extend to handle multiple source insns.
20328 * flow.c: Include resource.h
20329 (unlink_insn_chain): New.
20330 (split_hard_reg_notes): New.
20331 (maybe_add_dead_note): New.
20332 (maybe_add_dead_note_use): New.
20333 (find_insn_with_note): New.
20334 (new_insn_dead_notes): New.
20335 (update_n_sets): New.
20336 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
20337 (maybe_remove_dead_notes): New.
20338 (update_life_info): New.
20339 (prepend_reg_notes): New.
20340 (replace_insns): New.
20341 * output.h (update_life_info): Declare.
20342 * recog.c (split_block_insns): Use update_life_info.
20343 * resource.c (find_free_register): Use reg_alloc_order, don't use
20344 fixed regs, make sure the mode is supported, don't use new regs.
20346 * rtl.h (replace_insns): Declare.
20348 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
20350 * expr.c (expand_expr): Cope with COND_EXPRs with one
20351 non-returning branch.
20353 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
20355 * expr.c (store_expr): Always pass down the target, even when not
20358 1999-08-24 Nick Clifton <nickc@cygnus.com>
20360 * configure.in: Define target_cpu_default for v850 targets.
20361 * configure: Regenerate
20363 * config/v850/v850.h (TARGET_CPU_generic): Define.
20364 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
20365 addresses are 4 byte aligned.
20367 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
20370 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20372 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
20373 (main): Add prototypes.
20375 * genattrtab.c (substitute_address, write_const_num_delay_slots,
20376 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
20377 (write_attr_get): Emit prototypes along with function definition.
20378 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
20379 (write_complex_function): Emit static prototype along with
20380 function definition.
20382 * genemit.c (gen_split): Emit prototypes along with function
20385 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
20386 Likewise for predicates and `insn_operand_predicate'.
20387 (process_template): Emit static prototype along with function
20390 * genrecog.c (make_insn_sequence): Constify a char*. Add
20391 prototypes for get_split_*().
20392 (write_subroutine): Emit prototypes along with function
20395 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20397 * gcse.c (find_avail_set): Follow chains of register-register copies.
20398 Use oprs_not_set_p to guarantee that the returned value can be
20400 (cprop_insn): Don't verify the return value of find_avail_set with
20403 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
20404 (cprop_cc0_jump): New function.
20405 (cprop_insn): Break out new function cprop_jump and use it.
20406 Also use cprop_cc0_jump for machines with CC0.
20407 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
20409 * tree.h (current_function_calls_setjmp,
20410 current_function_calls_longjmp): Delete declarations.
20411 * dsp16xx.c: Include "function.h".
20412 * elxsi.c: Likewise.
20413 * gmicro.c: Likewise.
20414 * h8300.c: Likewise.
20415 * i370.c: Likewise.
20416 * m32r.c: Likewise.
20417 * mn10200.c: Likewise.
20418 * mn10300.c: Likewise.
20419 * ns32k.c: Likewise.
20420 * spur.c: Likewise.
20421 * v850.c: Likewise.
20423 * rtl.h (rtx_equal_function_value_matters): Declare.
20424 * toplev.c (rtx_equal_function_value_matters): Don't declare.
20426 * function.c: Likewise.
20427 * emit-rtl.c: Likewise.
20429 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
20431 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
20434 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
20436 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
20439 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
20441 * cpp.texi: Add a node documenting macro varargs (copied
20444 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
20446 * cppspec.c: Put a null pointer at the end of the new argv.
20448 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
20450 * configure.in: Remove code to select/de-select the haifa
20451 scheduler. Every scheduled port gets haifa now.
20452 * configure: Rebuilt.
20453 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
20455 * Makefile.in: Corresponding changes.
20457 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20459 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
20460 All callers changed.
20461 (prepare_float_lib_cmp): Likewise.
20462 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
20463 * expr.h (emit_float_lib_cmp): Delete declaration.
20464 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
20465 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
20466 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
20468 (cmptf): Now conditional on TARGET_HARD_QUAD.
20470 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
20472 * resource.c (mark_target_live_regs): Use
20473 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
20475 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20477 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
20479 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
20481 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
20483 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20485 * rtl.h (rtx_format): Constify a char*.
20487 * rtl.c (rtx_format): Likewise.
20488 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
20489 (init_rtl): Use accessor macro, not `rtx_format'.
20491 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
20494 * caller-save.c (mark_referenced_regs): Likewise.
20496 * combine.c (subst, make_compound_operation, known_cond,
20497 gen_rtx_combine, update_table_tick, get_last_value_validate,
20498 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
20500 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
20501 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
20502 count_reg_usage): Likewise.
20504 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
20507 * final.c (leaf_renumber_regs_insn): Likewise.
20509 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
20510 dump_edge_info, count_reg_references): Likewise.
20512 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
20513 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
20516 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
20517 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
20518 add_label_notes): Likewise.
20520 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
20521 clear_struct_flag, count_sub_rtxs, count_alternatives,
20522 compares_alternatives_p, contained_in_p, walk_attr_value,
20523 write_expr_attr_cache): Likewise.
20525 * genconfig.c (walk_insn_part): Likewise.
20527 * genemit.c (max_operand_1, gen_exp): Likewise.
20529 * genextract.c (walk_rtx): Likewise.
20531 * genflags.c (num_operands): Likewise.
20533 * genoutput.c (scan_operands): Likewise.
20535 * genpeep.c (match_rtx): Likewise.
20537 * genrecog.c (add_to_sequence): Likewise.
20539 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
20542 * integrate.c (save_constants, copy_for_inline,
20543 copy_rtx_and_substitute, subst_constants, restore_constants):
20546 * jump.c (mark_jump_label, invert_exp, redirect_exp,
20547 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
20549 * local-alloc.c (contains_replace_regs, memref_referenced_p):
20552 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
20553 add_label_notes, replace_call_address, count_nonfixed_reads,
20554 invariant_p, find_single_use_in_loop, find_mem_givs,
20555 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
20558 * print-rtl.c (reg_names, print_rtx): Likewise.
20560 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
20562 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
20563 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
20564 print_blocks): Likewise.
20566 * regclass.c (fix_register, record_address_regs,
20567 reg_scan_mark_refs): Likewise.
20569 * regmove.c (stable_but_for_p): Likewise.
20571 * reload.c (loc_mentioned_in_p, operands_match_p,
20572 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
20573 copy_replacements, refers_to_regno_for_reload_p,
20574 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
20575 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
20578 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
20579 delete_address_reloads_1, count_occurrences,
20580 reload_cse_mem_conflict_p, reload_combine_note_use,
20581 add_auto_inc_notes): Likewise.
20583 * resource.c (mark_referenced_resources, mark_set_resources):
20586 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
20587 reg_mentioned_p, regs_set_between_p, modified_between_p,
20588 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
20589 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
20590 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
20591 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
20593 * sched.c (sched_analyze_2, attach_deaths): Likewise.
20595 * stupid.c (stupid_mark_refs): Likewise.
20597 * unroll.c (remap_split_bivs): Likewise.
20599 * varasm.c (mark_constants): Likewise.
20601 * a29k/a29k.c (uses_local_reg_p): Likewise.
20603 * alpha/alpha.c (summarize_insn): Likewise.
20605 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
20606 eliminate_lr2ip): Likewise.
20608 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
20610 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
20611 reg_mentioned_in_mem): Likewise.
20613 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
20614 symbolic_reference_mentioned_p): Likewise.
20616 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
20618 * sh/sh.c (regs_used, mark_use): Likewise.
20620 * vax/vax.c (vax_rtx_cost): Likewise.
20622 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20624 * machmode.h (mode_name): Constify a char*.
20626 * rtl.c (mode_name): Likewise.
20628 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
20630 * optabs.c (init_libfuncs): Constify a char*.
20632 * print-tree.c (mode_name): Remove redundant declaration.
20633 (print_node): Use accessor macro, not `mode_name'.
20635 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
20637 (new_spill_reg): Constify a char*.
20639 * tree.c (mode_name): Remove redundant declaration.
20641 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20643 * rtl.c (rtx_name): Constify a char*.
20645 * rtl.h (rtx_name, fix_sched_param): Likewise.
20647 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
20648 (mypr): Use accessor macro, not `rtx_name'.
20650 * genemit.c (print_code): Constify a char*.
20652 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
20654 * genpeep.c (print_code): Constify a char*.
20656 * genrecog.c (print_code): Likewise.
20658 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
20659 end_bb): Add static prototype.
20660 (draw_edge): Constify a char*.
20661 (end_bb): Remove unused parameter.
20663 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
20664 print_block_visualization): Constify a char*.
20666 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
20668 * c-common.c (c_get_alias_set): Update comment.
20670 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20672 * linux.h (LIB_SPEC): Added.
20674 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20676 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
20678 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
20680 * tree.c (expr_check): Fix typo in last change.
20682 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
20684 * rtl.def (NOTE): Change format to "iuu0n".
20685 (ADDR_DIFF_VEC): Change format to "eEee0".
20686 (ADDRESSOF): Change format to "eit".
20688 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
20689 (RTVEC_ELT): Change to match.
20690 (XVECEXP): Use XVEC and RTVEC_ELT.
20691 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
20692 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
20693 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
20694 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
20695 TRAP_CONDITION, TRAP_CODE): Use XEXP.
20696 (INTVAL): Use XWINT.
20697 (ADDRESSOF_DECL): Use XTREE.
20698 (SET_ADDRESSOF_DECL): Delete.
20699 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
20700 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
20701 ifdefed out since 2.6 at least.
20702 (gen_rtvec_vv): Delete prototype.
20704 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
20706 (copy_most_rtx): Handle 't' format letter.
20707 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
20708 (gen_rtvec_vv): Delete function. All callers changed to use
20709 gen_rtvec_v instead.
20710 * print-rtl.c (print_rtx): Move special casing of NOTEs to
20711 the '0' format letter.
20713 * function.c (gen_mem_addressof): Don't use
20714 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
20716 * integrate.c (copy_rtx_and_substitute): Likewise.
20717 Copy 't' slots with XTREE.
20718 (subst_constants): Treat 't' slots like '[swi]' slots.
20719 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
20720 * jump.c (rtx_equal_for_thread_p): Likewise.
20721 * rtlanal.c (rtx_equal_p): Likewise.
20722 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
20723 only four arguments.
20724 * gengenrtl.c (type_from_format): Provide correct types for
20728 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
20729 If a recent gcc is in use (always in stage2 and beyond), use
20730 statement expressions, so we don't make a function call unless
20731 the check fails. Evaluate arguments exactly once.
20732 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
20733 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
20735 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
20736 they evaluate their arguments exactly once, irrespective of
20737 the compiler in use.
20739 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
20740 is used by the currently-enabled check macros. This is:
20741 (tree_check_failed, tree_class_check_failed): For gcc.
20742 (tree_check, tree_class_check, cst_or_constructor_check,
20743 expr_check): For other compilers.
20745 * gencheck.c: Do not define any *_CHECK1 macros.
20747 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
20748 Mark Mitchell <mark@codesourcery.com>
20750 * c-common.c (c_get_alias_set): Fix support for poitners and
20753 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
20755 * alias.c: Include tree.h.
20756 (nonlocal_reference_p, mark_constant_function): New functions.
20757 * flow.c (life_analysis): Call mark_constant_function.
20758 * rtl.h (mark_constant_function): Declare it.
20760 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
20762 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
20763 unrecognisable switches.
20765 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20767 * loop.c (recombine_givs): Set ix field after sorting.
20768 (recombine_givs): Remove bogus index / giv lockstep looping.
20770 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20772 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
20774 (emit_store_flag_force): Use do_compare_rtx_and_jump.
20775 (do_cmp_and_jump): Formatting fixes.
20776 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
20777 do_compare_rtx_and_jump instead of compare_from_rtx.
20778 (do_compare_rtx_and_jump): New function; mostly copied from
20780 (do_jump_for_compare): Delete.
20781 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
20783 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
20784 of compare/do_jump_for_compare pairs.
20785 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
20786 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
20787 compare_from_rtx/do_jump_for_compare pairs.
20788 (do_jump_by_parts_equality): Likewise.
20789 (do_jump_by_parts_equality_rtx): Likewise.
20790 * expr.h (do_compare_rtx_and_jump): Declare.
20791 * optabs.c (prepare_cmp_insn): New function, contains most of the code
20792 that used to be in emit_cmp_insn.
20793 (cmp_available_p): New function.
20794 (prepare_operand): New function.
20795 (emit_cmp_and_jump_insn_1): New function, contains some code that used
20796 to be in emit_cmp_insn.
20797 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
20798 parameters to be pointers; don't emit final compare but modify some of
20799 the values pointed to by the args so the caller can perform the
20800 correct comparison.
20801 (expand_binop): Call emit_store_flag_force with signed forms of
20803 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
20804 emit_jump_insn pair.
20805 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
20806 emit_cmp_and_jump_insn_1. Call emit_queue.
20807 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
20809 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
20810 jump sets cc0 before deleting it.
20811 * integrate.c (expand_inline_function): Likewise.
20812 * unroll.c (unroll_loop): Similar changes in several places.
20813 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
20814 before deleting it.
20816 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20818 * Makefile.in (insn-recog.o): Update dependencies.
20819 * genrecog.c (main): Make generated file include "function.h".
20821 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
20823 * cse.c (cse_insn): Call never_reached_warning when a jump is
20824 changed to be unconditional.
20825 * flags.h: Declare warn_notreached.
20826 * flow.c (delete_block): Call never_reached_warning when
20827 a block is deleted.
20828 * jump.c (delete_barrier_successors): Call never_reached_warning
20829 when we delete everything after a BARRIER.
20830 (never_reached_warning): New function.
20831 * rtl.h: Declare never_reached_warning.
20832 * toplev.c (warn_notreached): New variable.
20833 (lang_independent_options): Set warn_notreached
20834 when -Wunreachable-code.
20835 (compile_file): We need line numbers for -Wunreachable-code.
20837 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
20839 * haifa-sched.c (insn_unit): Fix typo on out of range test.
20840 * sched.c (insn_unit): Likewise.
20842 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
20844 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
20846 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20848 * flow.c (create_edge_list): Use xmalloc, not malloc.
20850 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
20852 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
20853 C-style comments. Do not lose the character before double slash.
20855 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20857 * basic-block.h (struct edge_list): Stucture to maintain a vector
20859 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
20860 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
20861 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
20862 New function prototypes.
20863 * flow.c (create_edge_list): Function to create an edge list.
20864 (free_edge_list): Discards memory used by an edge list.
20865 (print_edge_list): Debug output showing an edge list.
20866 (verify_edge_list): Internal consistency check for an edge list.
20867 (find_edge_index): Function to find an edge index for a pred and succ.
20869 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
20871 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
20874 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
20876 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
20878 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
20880 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
20882 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
20884 * toplev.c (rest_of_compilation): Allow machine dependent
20885 reorganisation pass to place information into the RTL dump
20886 file if it so wishes.
20888 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
20890 * explow.c (hard_function_value): Use VOIDmode instead of
20892 * stmt.c (expand_return): Likewise.
20893 * stor-layout.c (get_best_mode): Likewise.
20895 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
20896 emit call instead of emit_insn call.
20898 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
20900 * configure.in: Handle --disable/enable-win32-registry.
20901 * install.texi: Document --disable/enable-win32-registry.
20902 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
20903 (WIN32_REGISTRY_KEY): New macro.
20904 * prefix.c: Use to enable/disable win32-specific code.
20905 (lookup_key): Use versioned key.
20906 * configure: Regenerate.
20907 * config.in: Likewise.
20909 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
20911 * cpplib.c (read_line_number): New fn, split out of...
20914 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
20916 tree.c (lang_unsave_expr_now) : New.
20917 (unsave_expr_now): Call lang_unsave_expr_now.
20918 tree.h (lang_unsave_expr_now) : New.
20920 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
20922 * toplev.c (flag_new_exceptions): On by default.
20924 1999-08-13 Michael Meissner <meissner@cygnus.com>
20926 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
20928 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20930 * dwarfout.c (fundamental_type_code): Return FT_boolean for
20931 INTEGER_TYPE with precision==1, it's __java_boolean.
20933 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20935 * global.c (prune_preferences): Move some invariants out of the
20938 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
20940 * configure.in (alpha*-dec-osf*): Add osf5.
20942 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
20944 * configure.in: Rework handling of ARM GNU/Linux slightly.
20945 (arm*-*-linux-gnuoldld): New target.
20946 * configure: Regenerate.
20947 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
20948 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
20949 * config/arm/linux-oldld.h: New file.
20950 * config/arm/linux-elf26.h: Don't include linux-elf.h.
20951 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
20953 * config/arm/linux-elf.h (ASM_SPEC): Define.
20954 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
20955 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
20956 for 26-bit APCS and old linker.
20957 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
20959 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
20960 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
20961 don't define `arm' or `arm_elf'.
20962 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
20963 MULTILIB_DIRNAMES): Define. Fix typo in comment.
20965 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
20967 * rtl.texi: Fix typo.
20969 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
20971 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
20973 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
20975 * extend.texi (C++ Signatures): Remove node.
20976 * invoke.texi: Remove discussion of -fhandle-signatures,
20977 signature, sigof, __signature__, and __sigof__.
20979 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
20981 * Makefile.in (JAVAGC): Removed.
20983 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
20985 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
20987 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
20989 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
20991 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
20993 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
20994 a register that is already known to be a pointer.
20996 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
20998 * fixinc/inclhack.tpl: Only install assert.h conditionally.
20999 * fixinc/inclhack.sh: Regenerated.
21000 * fixinc/fixincl.sh: Regenerated.
21002 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
21004 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
21005 Fix documentation of -ansi flag to describe its C++ behavior.
21006 Remove bogus reference to GCC 2.9.
21008 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
21010 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
21011 note if it is non-NULL.
21013 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21015 * except.h (eh_nesting_info): Add new structure defintion.
21016 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
21017 (reachable_handlers, update_rethrow_references): Add function
21019 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
21020 a rethrow symbol instead of an integer exception region number.
21021 * flow.c (Make_edges): Use new exception nesting routines to determine
21022 which handlers are reachable from a CALL or asynchronous insn.
21023 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
21025 (delete_eh_regions): Update rethrow labels, and don't delete
21026 regions which are the target of a rethrow.
21027 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
21028 avoid overloading the SYMBOL_REF_USED flag.
21029 (rethrow_symbol_map): Use new rethrow_ref field.
21030 (rethrow_used): Use new rethrow_ref field.
21031 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
21032 of an integer. Fix formatting.
21033 (output_exception_table_entry): Use new rethrow_ref field.
21034 (can_throw): Check for EH_REGION_NOTE before deciding
21035 whether a CALL can throw or not.
21036 (scan_region): Call rethrow_used() instead of accessing data structure.
21037 (update_rethrow_references): New function to make sure only regions
21038 which are still targets of a rethrow are flagged as such.
21039 (process_nestinfo): New static function to initialize a handler
21040 list for a specific region.
21041 (init_eh_nesting_info): New function to allocate and initialize
21042 the list of all EH handlers reachable from all regions.
21043 (reachable_handlers): New function to retrieve the list of handlers
21044 reachable from a specific region and insn.
21045 (free_eh_nesting_info): New function to dispose of a list of
21046 reachable handlers.
21048 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21050 * flow.c (split_edge): Set JUMP_LABEL field.
21051 (commit_one_edge_insertion): Set head correctly for insert_before.
21052 When inserting insns, update insn block numbers if allocated.
21054 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21056 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
21057 retry_incomplete_types): Add static prototype.
21058 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
21059 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
21060 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
21061 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
21062 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
21065 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
21066 dwarf2out_start_source_file, dwarf2out_line): Likewise.
21068 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21070 * output.h (assemble_name): Constify a char*.
21072 * varasm.c (UNIQUE_SECTION, assemble_start_function,
21073 assemble_variable, assemble_name): Likewise.
21075 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
21077 * arm/pe.c (arm_pe_unique_section): Likewise.
21079 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
21081 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
21083 * i386/interix.c (i386_pe_unique_section): Likewise.
21085 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
21087 * i386/winnt.c (i386_pe_unique_section): Likewise.
21089 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
21091 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
21093 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
21095 * pa/pa.c (output_call): Likewise.
21097 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
21099 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
21101 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
21104 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
21107 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
21109 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
21110 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
21112 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
21114 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21116 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
21118 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21120 * tree.h (lang_identify): Constify a char*.
21121 (print_error_function): Add extern prototype. Constify a char*.
21123 * c-lang.c (lang_identify): Constify a char*.
21125 * objc/objc-act.c (lang_identify): Constify a char*.
21127 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21129 * genpeep.c (main): Make generated file include "function.h".
21130 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
21132 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21134 * Makefile.in: Update dependencies.
21135 * alias.c: Include "function.h"
21136 * c-decl.c: Likewise.
21137 * caller-save.c: Likewise.
21138 * calls.c: Likewise.
21139 * combine.c: Likewise.
21141 * explow.c: Likewise.
21142 * final.c: Likewise.
21143 * global.c: Likewise.
21144 * graph.c: Likewise.
21145 * local-alloc.c: Likewise.
21146 * loop.c: Likewise.
21147 * optabs.c: Likewise.
21148 * profile.c: Likewise.
21149 * recog.c: Likewise.
21150 * regclass.c: Likewise.
21151 * regmove.c: Likewise.
21152 * reload.c: Likewise.
21153 * reorg.c: Likewise.
21154 * resource.c: Likewise.
21155 * sched.c: Likewise.
21156 * stupid.c: Likewise.
21157 * config/1750a/1750a.c: Likewise.
21158 * config/a29k/a29k.c: Likewise.
21159 * config/arc/arc.c: Likewise.
21160 * config/arm/arm.c: Likewise.
21161 * config/arm/thumb.c: Likewise.
21162 * config/c4x/c4x.c: Likewise.
21163 * config/clipper/clipper.c: Likewise.
21164 * config/convex/convex.c: Likewise.
21165 * config/fx80/fx80.c: Likewise.
21166 * config/i860/i860.c: Likewise.
21167 * config/m68k/m68k.c: Likewise.
21168 * config/m88k/m88k.c: Likewise.
21169 * config/mips/mips.c: Likewise.
21170 * config/pdp11/pdp11.c: Likewise.
21171 * config/pyr/pyr.c: Likewise.
21172 * config/romp/romp.c: Likewise.
21173 * config/sh/sh.c: Likewise.
21174 * config/tahoe/tahoe.c: Likewise.
21175 * config/vax/vax.c: Likewise.
21176 * config/we32k/we32k.c: Likewise.
21177 * config/sparc/sparc.c: Include "function.h".
21178 (mem_min_alignment): Test current_function rather than
21179 regno_pointer_align.
21180 * config/pa/pa.c: Likewise.
21181 (compute_frame_size): Delete declaration of
21182 current_function_outgoing_args_size.
21183 * config/arc/arc.h (current_function_varargs): Delete declaration.
21184 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
21186 * config/i370/i370.h (current_function_outgoing_args_size): Delete
21188 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
21189 current_function_uses_pic_offset_table.
21190 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
21191 of current_function_returns_pointer.
21192 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21193 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21194 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21195 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21196 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21197 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21198 * config/m88k/m88k.c: Include "function.h"
21199 (call_used_regs, current_function_pretend_args_size,
21200 current_function_outgoing_args_size, frame_pointer_needed): Delete
21202 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
21204 * config/mips/mips.h (current_function_calls_alloca): Delete
21206 * config/mn10200/mn10200.h (current_function_needs_context,
21207 rtx_equal_function_value_matters): Delete declarations.
21208 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
21209 flag_pic): Delete declarations.
21210 * config/pa/pa.h (current_function_pretend_args_size,
21211 current_function_decl): Delete declarations.
21212 * config/pa/som.h (current_function_varargs): Delete declaration.
21213 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
21215 * config/pyr/pyr.h (current_function_pretend_args_size,
21216 current_function_args_size, current_function_calls_alloca): Delete
21218 * config/sh/sh.h (current_function_varargs): Delete declaration.
21219 * config/sparc/sparc.h (current_function_outgoing_args_size,
21220 current_function_calls_alloca, current_function_decl): Delete
21222 * config/spur/spur.h (current_function_pretend_args_size,
21223 current_function_calls_alloca): Delete declarations.
21224 * config/v850/v850.c (current_function_outgoing_args_size): Delete
21226 * config/vax/vms.h (current_function_name): Delete declaration.
21227 * gcse.c: Include "function.h".
21228 (current_function_name, current_function_calls_setjmp): Delete
21230 * haifa-sched.c: Include "function.h".
21231 (forced_labels): Delete declaration.
21232 * jump.c: Likewise.
21233 * reg-stack.c: Likewise.
21234 * reload1.c: Likewise.
21235 * genemit.c (main): Make generated file include function.h.
21236 * genoutput.c (output_prologue): Likewise.
21238 * builtins.c (saveregs_value, apply_args_value): Delete variables.
21239 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
21240 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
21241 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
21242 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
21243 macros for some of them.
21244 (emit_filename, emit_lineno): Delete declarations.
21245 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
21246 regno_pointer_* variables through current_function.
21247 (gen_inline_header_rtx): Delete function.
21248 (save_emit_status): Delete function.
21249 (set_new_last_label_num): New function.
21250 (clear_emit_caches): New function.
21251 (restore_emit_status): Just clear last_labelnum and call
21253 (get_last_insn_anywhere): Variable sequence_stack is now accessed
21254 through macro seq_stack.
21255 (add_insn_after): Likewise.
21256 (add_insn_before): Likewise.
21257 (remove_insn): Likewise.
21258 (pop_topmost_sequence): Likewise.
21259 (in_sequence_p): Likewise.
21260 (start_sequence_for_rtl_expr): Likewise.
21261 (start_sequence): Likewise, and likewise for
21262 sequence_rtl_expr/seq_rtl_expr.
21263 (push_topmost_sequence): Likewise.
21264 (end_sequence): Likewise.
21265 (init_virtual_regs): Now takes a "struct emit_status *" argument.
21266 All callers changed. Store into that pointer instead of globals.
21267 (init_emit): Allocate emit elt of current_function.
21268 Changes for sequence_rtl_expr/sequence_stack renaming.
21269 Call clear_emit_caches instead of doing it in-line.
21270 Access regno_pointer_* variables through current_function.
21271 (init_emit_once) Don't clear sequence_stack.
21273 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
21275 (arg_pointer_save_area): Delete declaration.
21276 (finish_expr_for_function): Renamed from init_queue; no longer static.
21277 (init_expr): Don't call init_queue.
21278 (save_expr_status, restore_expr_status): Delete functions.
21279 (expand_expr): Changes to reflect new layout of struct function.
21280 Don't access current_function_check_memory_usage when current_function
21282 * expr.h (forced_labels, save_expr_regs, saveregs_value,
21283 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
21284 current_function_outgoing_args_size, current_function_arg_offset_rtx,
21285 current_function_uses_const_pool, function_call_count,
21286 current_function_uses_pic_offset_table, nonlocal_labels,
21287 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
21288 current_function_check_memory_usage, nonlocal_goto_handler_slots,
21289 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
21291 (finish_expr_for_function): Declare.
21292 * flags.h (current_function_has_nonlocal_label,
21293 current_function_has_nonlocal_goto, current_function_is_thunk,
21294 current_function_has_computed_jump): Delete declarations.
21295 * flow.c (forced_labels): Delete declaration.
21296 * function.c (current_function_pops_args,
21297 current_function_returns_struct, current_function_returns_pcc_struct,
21298 current_function_needs_context, current_function_calls_setjmp,
21299 current_function_calls_longjmp, current_function_has_nonlocal_label,
21300 current_function_has_nonlocal_goto, current_function_is_thunk,
21301 current_function_has_computed_jump, current_function_calls_alloca,
21302 current_function_contains_functions, current_function_returns_pointer,
21303 current_function_epilogue_delay_list, current_function_args_size,
21304 current_function_pretend_args_size, current_function_arg_offset_rtx,
21305 current_function_outgoing_args_size, current_function_varargs,
21306 current_function_stdarg, current_function_args_info, cleanup_label,
21307 current_function_name, current_function_uses_const_pool,
21308 current_function_instrument_entry_exit, current_function_return_rtx,
21309 current_function_uses_pic_offset_table, nonlocal_labels,
21310 current_function_internal_arg_pointer, current_function_cannot_inline,
21311 current_function_check_memory_usage, function_call_count,
21312 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
21313 nonlocal_goto_stack_level, return_label, save_expr_regs,
21314 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
21315 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
21316 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
21317 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
21318 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
21320 (push_function_context_to): Don't save them. Don't call
21321 save_storage_status, save_emit_status or save_expr_status.
21322 (pop_function_context_from): Don't restore them. Don't call
21323 restore_storage_status or restore_expr_status.
21324 (get_func_frame_size): New function.
21325 (get_frame_size): Use it.
21326 (assign_outer_stack_local): Reflect some member name changes in struct
21328 (put_reg_into_stack): Likewise.
21329 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
21331 (fixup_var_refs): Likewise.
21332 (fix_lexical_addr): Likewise.
21333 (trampoline_address): Likewise.
21334 (prepare_function_start): Clear field inlinable of current_function.
21335 (init_function_for_compilation): New function.
21336 (expand_dummy_function_end): New function.
21337 (expand_function_end): Call finish_expr_for_function.
21338 * function.h (struct emit_status): New; fields moved here from struct
21339 function and from global variables. Add accessor macros for some of
21341 (struct expr_status): Likewise.
21342 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
21343 (struct function): Add fields expr and emit, inlinable, inl_emit,
21344 original_arg_vector, original_decl_initial, inl_last_parm_insn,
21345 inl_max_label_num. Add many comments.
21346 Add accessor macros for all elts of struct function that no longer
21347 have a global variable.
21348 (cleanup_label, return_label, frame_offset, tail_recursion_label,
21349 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
21350 stack_slot_list): Delete declarations.
21351 (get_func_frame_size): Declare.
21352 (save_expr_status, restore_expr_status, save_emit_status,
21353 save_storage_status, restore_storage_status): Delete declarations.
21354 (init_virtual_regs): Declare.
21355 * output.h (current_function_pops_args,
21356 current_function_returns_struct, current_function_returns_pcc_struct,
21357 current_function_needs_context, current_function_calls_setjmp,
21358 current_function_calls_longjmp, current_function_calls_alloca,
21359 current_function_has_nonlocal_label, current_function_varargs,
21360 current_function_has_computed_jump, current_function_returns_pointer,
21361 current_function_contains_functions, current_function_args_size,
21362 current_function_pretend_args_size, current_function_stdarg,
21363 current_function_outgoing_args_size, current_function_args_info,
21364 current_function_name, current_function_return_rtx,
21365 current_function_epilogue_delay_list,
21366 current_function_uses_const_pool, current_function_cannot_inline):
21367 Delete declarations.
21368 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
21369 regno_reg_rtx): Delete declaration.
21370 (REGNO_POINTER_FLAG): Delete macro.
21371 * stmt.c (expand_goto): Changes to reflect that some fields in struct
21372 function were renamed.
21373 * stor-layout.c (save_storage_status, restore_storage_status): Delete
21375 * toplev.c: Include "function.h".
21376 (current_function_decl): Delete declaration.
21377 (compile_file): Call init_dummy_function_start and
21378 expand_dummy_function_end around some initializations that need to
21380 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
21381 Call init_function_for_compilation.
21382 * unroll.c: Include "function.h"
21383 (unroll_loop): Access regno_pointer_* variables through
21386 * tree.h (struct tree_decl): Add elt f to saved_insns member.
21387 (DECL_SAVED_INSNS): use it.
21388 (expand_dummy_function_end): Declare.
21389 (init_function_for_compilation): Declare.
21390 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
21391 that it's no longer an INLINE_HEADER.
21392 (expand_call): Likewise.
21393 * integrate.c (finish_inline): Delete function.
21394 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
21395 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
21396 args. Don't generate an INLINE_HEADER rtx, just return the arg
21397 vector. All callers changed.
21398 (save_for_inline_copying): Create a duplicate struct emit_status to
21399 hold the emit state for compiling the current function. Use this and
21400 the other new fields in struct function that are for integration
21401 instead of an INLINE_HEADER.
21402 Use memcpy instead of bcopy.
21403 Store the current struct function in DECL_SAVED_INSNS of fndecl.
21404 (save_for_inline_nocopy): Similar changes, except no new emit_status
21406 (expand_inline_function): Get information from function structure,
21407 not from an inline header rtx.
21408 (output_inline_function): Lose code to extract the necessary
21409 information from an inline header; simply put back the function
21410 structure into current_function. Clear its inlinable elt.
21411 * rtl.def (INLINE_HEADER): Delete.
21412 * rtl.h: Delete all accessors for an INLINE_HEADER.
21413 (gen_inline_header_rtx): Delete declaration.
21414 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
21415 Delete declarations.
21416 (REGNO_POINTER_ALIGN): Delete.
21417 (clear_emit_caches): Declare.
21418 (set_new_last_label_num): Declare.
21420 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
21422 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
21424 * except.c (expand_eh_region_start_for_decl): Always start a new block.
21425 * stmt.c (is_eh_region): Make sure current_function is present, too.
21427 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
21429 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
21430 for 64bit PA targets.
21432 * pa.h (SELECT_SECTION): Define.
21433 * som.h (SELECT_SECTION): Delete.
21435 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21437 * alias.c (init_alias_analysis): Wrap call to
21438 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
21440 1999-08-07 Bruce Korb <autogen@linuxbox.com>
21442 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
21443 <sys/asm.h> contains an asm comment with an apostrophe
21444 * fixinc/inclhack.sh: regen
21445 * fixinc/fixincl.x: regen
21447 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
21449 * function.c (init_function_start): Clear prologue & epilogue.
21450 (prologue_epilogue_contains): New function.
21451 * alias.c (init_alias_analysis): Use it.
21452 * rtl.h (prologue_epilogue_contains): Declare it.
21454 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
21456 * jump.c (onlyjump_p): New function.
21457 * rtl.h: Declare it.
21458 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
21459 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
21461 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
21463 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
21464 to invert loops. Simplify block scanning.
21466 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21468 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
21469 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
21471 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
21473 * config/sparc/liteelf.h: New file to support sparclite-elf target
21474 * config/sparc/t-sp86x: New file to support sparc86x targets
21475 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
21476 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
21477 * configure.in: Support above target triplets
21478 * configure: Regenerated
21480 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
21482 * fixinc/server.c (server_setup): Do not prefix function used as
21483 parameter with `&'.
21485 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
21487 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
21488 Remove fp reg alternatives.
21490 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
21492 * Makefiin (TAROUTOPTS): Kill.
21493 (install-headers-tar): Use "xpf" for tar headerfile extraction
21494 * i370/x-oe (TAROUTOPTS): Delete.
21495 * m68k/x-apollo68 (TAROUTOPTS): Delete.
21496 * m68k/x-hp320 (TAROUTOPTS): Delete.
21497 * m68k/x-hp320g (TAROUTOPTS): Delete.
21498 * gcc.texi: Update bug reporting text.
21500 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
21502 * reg-stack.c (change_stack) Fixed problem with negative array index.
21504 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
21506 * extend.texi, install.texi: Fix spelling mistakes.
21508 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
21509 (s-attrtab); No longer try to use pre-made insn-attrtab file.
21510 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
21511 PREMADE_ATTRTAB_MD.
21512 * mips/t-ecoff: Likewise.
21513 * mips/t-elf: Likewise.
21514 * mips/t-mips: Likewise.
21515 * mips/t-osfrose: Likewise.
21516 * mips/t-r3900: Likewise.
21517 * mips/t-svr3: Likewise.
21518 * mips/t-svr4: Likewise.
21519 * mips/t-ultrix: Likewise.
21521 * gcc.texi: Document recommend means to provide software floating
21522 point libraries in libgcc.a
21524 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
21526 * c-lex.c (yylex): We can have a number with no digits.
21528 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
21530 * jump.c (delete_prior_computation): New function, broken
21531 out of delete_computation. Check for side effects with
21532 side_effects_p instead of FIND_REG_INC_NOTE. Handle
21533 multi-word hard registers.
21534 (delete_computation): Use it. Check for side effects with
21535 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
21536 missing REG_DEAD note for a register which is both set and
21539 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
21541 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
21542 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
21543 (ASM_FILE_START): Import _mcount with the right type.
21544 (ASM_DECLARE_FUNCTION_NAME): Define.
21545 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
21546 * pa.c (output_function_prologue): Always emit the function's label
21548 * pa.h (TEXT_SPACE_P): Define.
21549 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
21550 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
21551 * som.h (TEXT_SPACE_P): Delete.
21552 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
21553 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
21555 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
21557 * expr.c (emit_group_load): Allow src to be a CONCAT.
21559 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21561 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
21562 (___mulsi3): Use '!' comment character.
21564 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21566 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
21568 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
21570 * gcc.c: Update URLs and mail addresses.
21571 * gcc.texi: Likewise.
21573 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
21575 * rs6000.c (current_file_function_operand): Return zero for
21577 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
21579 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
21582 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
21584 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
21585 allocate space in the stack frame for the PIC register.
21587 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
21589 * m68k.md (xordi3, anddi3): These patterns are not available on
21592 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
21594 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
21595 (PUT_REAL): Likewise.
21597 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21599 * final.c (shorten_branches): Don't add an alignment for loops
21600 that have no label inside.
21602 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21604 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
21605 prototypes in macro HAVE_cmpstrsi.
21607 * cpplib.c (cpp_get_token): Remove unused label `op3'.
21609 * emit-rtl.c (operand_subword): Remove unused variable
21612 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
21614 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
21616 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
21618 * cpphash.c (macroexpand): Delete leading whitespace when arg
21619 is concatenated before.
21620 (unsafe_chars): Correct test for whether + and - can extend a
21623 * cppinit.c (cpp_start_read): Do dependencies for
21624 -include/-imacros files also.
21626 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
21627 tokenizing non-directive lines.
21628 (cpp_expand_to_buffer): Temporarily disable no-output mode.
21629 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
21632 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
21634 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
21636 * c-lex.c: Sync with C++ frontend.
21637 (linemode): New variable.
21638 (parse_float): imag, conversion_errno, and type are output only.
21639 (yylex): Adjust. Move initial '.' case into main switch.
21641 (handle_generic_pragma): Just deal with tokens.
21642 (readescape): Use ISXDIGIT and ISGRAPH.
21643 * c-parse.in: Add END_OF_LINE token.
21645 * c-lex.c (lang_init): Generalize.
21646 (nextchar): Remove. Replace uses with UNGETC.
21647 (skip_white_space): Handle linemode here. Optimize for cpplib.
21648 (skip_white_space_on_line): Remove.
21649 (extend_token_buffer_to): New fn.
21650 (extend_token_buffer): Use it.
21651 (read_line_number, check_newline): Just deal with tokens.
21652 (token_getch, token_put_back): New fns.
21653 (yylex): Use them. More cpplib optimizations. Simplify.
21655 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21656 Jason Merrill <jason@yorick.cygnus.com>
21658 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
21659 (consume_string): Make this smart about USE_CPPLIB.
21660 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
21661 (yylex): Rewrite to be intelligent about USE_CPPLIB.
21662 Also, clean up cases where we redundantly set token_buffer[0].
21663 (read_line_number): New fn.
21664 (ignore_escape_flag): New variable.
21666 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
21668 * a29k/t-a29kbare: Fix some comments.
21669 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
21670 (FPBIT, DPBIT): Define.
21671 * a29k/t-vx29k: Likewise.
21672 * arc/t-arc: Likewise.
21673 * arm/t-arm-elf: Likewise.
21674 * arm/t-bare: Likewise.
21675 * arm/t-pe: Likewise.
21676 * arm/t-pe-thumb: Likewise.
21677 * arm/t-semi: Likewise.
21678 * arm/t-thumb: Likewise.
21679 * arm/t-thumb-elf: Likewise.
21680 * arm/t-thumb-linux: Likewise.
21681 * h8300/t-h8300: Likewise.
21682 * i960/t-i960: Likewise.
21683 * i960/t-vxworks960: Likewise.
21684 * m32r/t-m32r: Likewise.
21685 * mips/t-ecoff: Likewise.
21686 * mips/t-elf: Likewise.
21687 * mips/t-r3900: Likewise.
21688 * pa/t-pro: Likewise.
21689 * rs6000/t-aix43: Likewise.
21690 * rs6000/t-beos: Likewise.
21691 * rs6000/t-newas: Likewise.
21692 * rs6000/t-ppccomm: Likewise.
21693 * rs6000/t-rs6000: Likewise.
21694 * rs6000/t-winnt: Likewise.
21695 * rs6000/t-xnewas: Likewise.
21696 * rs6000/t-xrs6000: Likewise.
21697 * sh/t-sh: Likewise.
21698 * sparc/t-elf: Likewise.
21699 * sparc/t-sparcbare: Likewise.
21700 * sparc/t-sparclite: Likewise.
21701 * sparc/t-splet: Likewise.
21702 * v850/t-v850: Likewise.
21703 * mn10200/t-mn10200: Fix comments.
21704 * mn10300/t-mn10300: Likewise.
21706 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
21707 dummy operand. Allocate a new pseudo for the dummy operand.
21708 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
21710 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
21712 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
21714 * configure: Rebuilt.
21715 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
21717 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
21719 * recog.c (preproces_constraints): Zero recog_op_alt before
21720 processing the constraints.
21722 * arm.c (typedef minipool_node): Renamed from pool_node.
21723 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
21724 (add_minipool_constant): New function.
21725 (dump_minipool): New function.
21726 (find_barrier): Remove special case for getting the insn size of
21727 an insn that references the constant pool.
21728 (minipool_fixup): New structure.
21729 (push_minipool_barrier): New function.
21730 (push_minipool_fix): New function.
21731 (note_invalid_constants): New function.
21732 (add_pool_constant, dump_table, fixit, broken_move): Delete.
21733 (arm_reorg): Rewrite code to fix up the constant pool into a
21734 series of mini-pools embedded in the insn stream.
21735 (arm_output_epilogue): New function, made mainly from the body
21736 of output_func_epilogue.
21737 (output_func_epilogue): Move insn generation part of epilogue code
21738 to arm_output_epilogue.
21739 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
21740 * arm.md (pool_range): New attribute.
21741 (zero_extendqidi2): Add attribute pool_range.
21742 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
21743 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
21744 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
21745 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
21746 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
21747 (epilogue): New expand.
21748 (epilogue_insn): New insn. Call arm_output_epilogue.
21750 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
21751 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
21753 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
21755 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
21757 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
21759 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
21761 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
21763 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
21765 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
21767 * global.c: Fix comment.
21769 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
21771 * gcc.c (access_check): New static function.
21772 (find_a_file): Use it when searching a directory list.
21773 * collect2.c (find_a_file): Don't accept directories found when
21774 searching a directory list.
21776 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
21778 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
21779 function parameters with `&'.
21780 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
21782 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
21784 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
21785 or tidy_fallthru_edge if the last insn in the block is not
21786 an unconditional jump or a simple conditional jump.
21788 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21790 * Makefile.in (c-decl.o): Depends on defaults.h.
21792 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
21794 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
21796 (CLASS_MAX_NREGS): Likewise.
21798 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
21800 * cse.c (cse_insn): Fix dumb thinko in last change.
21802 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21804 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
21807 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
21809 * dwarf2out.c (add_location_or_const_value_attribute): Correct
21810 test for sizes of passed and declared parameter types.
21812 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21814 * fixincludes: Fix the return type of bsearch, char* -> void*.
21816 * fixinc/inclhack.def: Likewise.
21818 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
21820 * invoke.texi (-fdump-translation-unit): New option.
21822 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
21824 * expr.h (PROMOTE_PROTOTYPES): Move ...
21825 * defaults.h: ... to here.
21826 * c-decl.c: Include defaults.h instead of expr.h.
21827 * c-typeck.c: Include defaults.h.
21829 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
21831 * toplev.h (errorcount): Declare.
21832 (warningcount): Likewise.
21833 (sorrycount): Likewise.
21834 * c-lex.c (errorcount): Don't declare.
21835 * dwarf2out.c (errorcount): Don't declare.
21837 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
21839 * config/libgloss.h: Add a note discouraging use with ELF.
21840 * configure.in: Don't use libgloss.h for ELF targets.
21841 Always use_collect2 on a.out targets.
21843 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
21845 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
21846 (force_to_mode, case ASHIFTRT): Add shiftrt label.
21848 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21850 * loop.c (strength_reduce): When doing biv->giv conversion, update
21851 reg note of NEXT->insn.
21853 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21855 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
21857 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21859 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
21860 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
21861 Ensure expr.h is included.
21862 * c-typecheck.c (convert_arguments): Ditto.
21864 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
21866 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
21867 * config/convex/convex.h: Ditto.
21868 * config/dsp16xx/dsp16xx.h: Ditto.
21869 * config/fx80/fx80.h: Ditto.
21870 * config/gmicro/gmicro.h: Ditto.
21871 * config/i370/i370.h: Ditto.
21872 * config/i386/i386.h: Ditto.
21873 * config/m32r/m32r.h: Ditto.
21874 * config/m68k/m68k.h: Ditto.
21875 * config/m88k/m88k.h: Ditto.
21876 * config/mips/mips.h: Ditto.
21877 * config/pa/pa.h: Ditto.
21878 * config/pyr/pyr.h: Ditto.
21879 * config/tahoe/tahoe.h: Ditto.
21880 * config/we32k/we32k.h: Ditto.
21882 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
21883 based on arch size.
21885 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
21887 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
21890 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
21892 1999-08-02 Richard Henderson <rth@cygnus.com>
21894 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
21895 for the register spill block.
21896 (m32r_va_arg): New.
21897 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
21898 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
21900 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
21901 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
21902 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
21904 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21906 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
21907 MAX_WCHAR_TYPE defined in sparc.h.
21908 * config/sparc/linuxaout.h: Likewise.
21909 * config/sparc/linux64.h: Likewise.
21910 Also default to -mvis if CPU is UltraSPARC.
21912 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21914 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
21915 (RTX_OK_FOR_OLO10): Likewise.
21916 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
21917 %lo(), allow it in addresses...
21918 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
21919 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
21920 does not make sense.
21921 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
21922 (sparc_output_scratch_registers): New function.
21923 (output_function_prologue, sparc_flat_output_function_prologue): Use
21925 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
21927 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
21928 * configure.in: Add check for .register pseudo-op support in as and
21929 check for offsetable %lo().
21930 * acconfig.h: Add templates for the above checks.
21931 * configure: Regenerate.
21933 1999-08-02 Richard Henderson <rth@cygnus.com>
21935 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
21936 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
21937 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
21939 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21941 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
21944 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21946 * config/float-sparc.h: New file.
21947 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
21948 sparc-*-linux-gnu and sparc64-*-linux*.
21950 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
21952 * rs6000.c (rs6000_va_list): Type is an array.
21953 (rs6000_va_start): Don't doubly adjust for varargs.
21954 (rs6000_va_arg): Evaluate long long GPR adjustment.
21956 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
21958 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
21959 -maix64 and -maix32.
21960 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
21961 LINK_SPEC): Change appropriately.
21962 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
21963 (u_short_cint_operand): Likewise.
21964 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
21966 * rs6000/t-aix43 (MULTILIB): Change to -m64.
21968 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
21970 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
21972 * rs6000/rs6000.c (num_insns_constant_wide): Correct
21973 for type promotion.
21974 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
21975 (non_add_cint_operand): Likewise.
21976 (logical_operand): Likewise.
21977 (non_logical_cint_operand): Likewise.
21978 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
21979 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
21980 (rs6000_select_rtx_section): Suppress warning.
21981 (small_data_operand): Suppress warning.
21982 (rs6000_got_register): Suppress warning.
21983 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
21984 type, so `J' is generally the wrong constraint for a SImode value;
21986 (andsi3_internal2): Likewise.
21987 (andsi3_internal3): Likewise.
21988 (iorsi3_internal1): Likewise.
21989 (xorsi3_internal1): Likewise.
21991 (movsf_softfloat): Likewise.
21992 (scc insns): Likewise.
21993 (movsi+2): Preserve sign bits of SImode constant.
21994 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
21995 (movdf+1): Sign-extend properly.
21996 (movdi_32+1): Sign-extend properly.
21997 (scc insns): Sign-extend properly.
21999 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
22002 1999-08-02 Richard Henderson <rth@cygnus.com>
22004 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
22005 -mcpu parsing code.
22006 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
22007 * alpha.md (all fp insns): Likewise.
22009 1999-08-02 Nick Clifton <nickc@cygnus.com>
22011 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
22014 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
22016 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
22017 pic_load_label generator directly.
22018 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
22019 No longer a named pattern.
22021 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
22023 * explow.c (force_reg): Call force_operand if X does not
22024 satisfy general_operand.
22026 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
22028 * fix-header.c (main): When testing for CONTINUED, use string
22029 equality, not pointer equality.
22031 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
22033 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
22035 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
22037 * cse.c (cse_insn): Fix loop which deletes insns after a jump
22038 that has become an unconditional jump.
22040 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
22041 (output_function_epilogue): Similarly.
22043 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22045 * tree.h (init_dummy_function_start): Declare.
22047 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22049 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
22050 last_expr_type, last_expr_value, block_start_count, block_stack,
22051 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
22052 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
22053 dynamically in stmt elt of struct function for each function.
22054 (struct nesting): Rename function_call_count elt to n_function_calls,
22055 target_temp_slot_level to block_target_temp_slot_level. All users
22057 (struct stmt_status): New structure definition.
22058 Add many accessor macros for stmt_status elements which previously
22059 were global variables.
22060 (init_stmt_for_function): Allocate stmt elt for current_function.
22061 Reflect that block_start_count was renamed to
22062 current_block_start_count.
22063 (save_stmt_status, restore_stmt_status): Delete functions.
22064 (preserve_subexpressions_p): Don't access loop_stack when outside
22066 (expand_start_bindings): Reflect that block_start_count was renamed to
22067 current_block_start_count.
22068 (expand_fixup): Likewise.
22069 (expand_decl): Don't access block_stack when outside a function.
22070 (expand_decl_cleanup): Likewise.
22071 (expand_dcc_cleanup): Likewise.
22072 (expand_dhc_cleanup): Likewise.
22073 (expand_anon_union_decl): Likewise.
22074 (set_file_and_line_for_stmt): New function.
22075 (in_control_zone_p): New function.
22077 * function.h (struct function): Add new elt stmt.
22078 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
22079 case_stack, nesting_stack, nesting_depth, block_start_count,
22080 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
22081 emit_lineno, goto_fixup_chain.
22082 (save_eh_status, restore_eh_status, save_stmt_status,
22083 restore_stmt_status): Delete declarations.
22084 * function.c (push_function_context_to): Don't call save_stmt_status.
22085 (pop_function_context_to): Don't call restore_stmt_status.
22086 * tree.h (in_control_zone_p): Declare.
22087 * rtl.h (set_file_and_line_for_stmt): Declare.
22089 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
22090 call set_file_and_line_for_stmt.
22092 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
22094 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
22095 Also update copyright.
22097 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22099 * c-pragma.c: Don't include "except.h".
22100 * emit-rtl.c: Likewise.
22101 * stor-layout.c: Likewise.
22102 * tree.c: Likewise.
22103 * varasm.c: Likewise.
22105 * flow.c: Include "function.h".
22106 * tree.h (init_dummy_function_start): Declare new function.
22108 * except.h (struct eh_status): New structure.
22109 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
22111 (eh_return_stub_label, ehstack, catchstack, ehqueue,
22112 catch_clauses, false_label_stack, caught_return_label_stack,
22113 protect_list, current_function_ehc): Add accessor macros for the
22114 corresponding fields in current_function->eh; delete declarations
22115 for all items that used to be declared here.
22116 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
22117 catch_clauses, false_label_stack, caught_return_label_stack,
22118 protect_list, current_function_ehc): Delete variables.
22119 (init_eh_for_function): Allocate current_function->eh.
22120 (save_eh_status, restore_eh_status): Delete functions.
22122 * function.h (struct function): Add fields next_global and eh.
22123 Delete all exception handling related fields.
22124 * function.c (current_function): New variable.
22125 (all_functions): New variable.
22126 (push_function_context_to): Don't allocate a struct function,
22127 use current_function instead. Call init_dummy_function_start when
22128 outside a function. Clear current_function before returning.
22129 (pop_function_context_from): Restore current_function.
22130 Don't free the restored struct function.
22131 (prepare_function_start): New function.
22132 (init_dummy_function_start): New function.
22133 (init_function_start): Break out some code into prepare_function_start
22136 * stmt.c (save_stmt_status): Don't call save_eh_status.
22137 (restore_stmt_status): Don't call restore_eh_status.
22139 * Makefile.in: Update dependencies.
22141 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
22143 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
22144 of depending on a magic constant value. Update comments.
22145 (hppa_expand_prologue): Similarly.
22147 * pa.md (reload_indi, reload_outdi): Allow any register for the
22148 original reload register.
22150 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
22152 * cccp.c (print_help): Change marcos to macros.
22154 1999-07-30 Richard Henderson <rth@cygnus.com>
22156 * c-typeck.c (initializer_constant_valid_p): Move ...
22157 * c-common.c (initializer_constant_valid_p): ... here. Use
22158 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
22159 of label addresses.
22160 * c-common.h (initializer_constant_valid_p): Declare.
22161 * c-tree.h (initializer_constant_valid_p): Remove.
22163 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
22165 * config/i386/sol2-c1.asm: Align the stack.
22166 * config/i386/sol2-gc1.asm: Likewise.
22168 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
22170 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
22171 -Asparclite for sparc86x.
22172 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
22174 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
22176 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
22178 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
22179 the user if using the non-default arch size in BI_ARCH configuration.
22180 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
22182 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
22183 Fix patterns so that they actually match.
22184 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
22185 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
22186 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
22188 (mulsidi3): Reflect this in the expand.
22189 (smulsi3_highpart): Only on TARGET_ARCH32.
22190 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
22191 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
22192 (umulsidi3): Reflect this in the expand.
22193 (umulsi3_highpart): Only on TARGET_ARCH32.
22194 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
22195 don't require g0 to be zero.
22196 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
22197 ({,u}divsi3): New expands.
22198 ({,u}divsi3_sp64): New patterns.
22199 (after lshrdi3_v8plus): Four new patterns to help combiner
22200 optimizing nested mixed mode shifts.
22202 * config/sparc/sparc.c (sparc_override_options): Use deprecated
22203 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
22204 speed things up. Don't use them by default on plain v9 in 64bit
22205 mode, according to what SPAMv9 sais.
22207 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
22208 top 32 bits of %[og][0-7] in signal handlers.
22209 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
22211 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
22213 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
22214 (ashlsi3): Corresponding changes.
22216 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
22218 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
22220 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
22222 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22224 * arm.h (Hint): Delete macro.
22225 Substitute HOST_WIDE_INT for Hint in some prototypes.
22226 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
22228 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
22230 * builtins.c (expand_builtin_setjmp): Use force_operand to
22231 make sure that the buffer address is in a suitable form to be
22232 passed to force_reg.
22234 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
22236 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
22239 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
22241 * pa.md (indirect_jump): Remove mode from match_operand. Verify
22242 proper mode in the condition string.
22243 (icacheflush, dcacheflush): Remove modes from match_operands.
22245 * pa.c (emit_move_sequence): Always convert scratch_reg to the
22246 proper mode before using it.
22248 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
22251 * pa.c (store_reg): Do not call add_high_const generator directly.
22252 (load_reg, set_reg_plus_d): Likewise.
22253 * pa.md (add_high_const): No longer a named pattern.
22255 * pa.c (legitimize_address): Consistently use Pmode rather than
22256 SImode. Do not call gen_pic2_highpart directly anymore.
22257 * pa.md (pic2_highpart): No longer a named pattern.
22258 (pic2_lo_sum): Similarly. Reformat to make more readable.
22260 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
22265 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22267 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
22269 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
22271 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
22272 and tag the spill mems.
22273 (hppa_va_start): New.
22274 (hppa_va_arg): New.
22275 * pa.h (EXPAND_BUILTIN_VA_START): New.
22276 (EXPAND_BUILTIN_VA_ARG): New.
22278 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
22280 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
22281 and tag the spill mems.
22282 (mn10300_va_start): New.
22283 (mn10300_va_arg): New.
22284 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
22285 (EXPAND_BUILTIN_VA_ARG): New.
22287 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
22289 * mn10200.c (mn10200_va_arg): New.
22290 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
22292 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
22294 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
22295 rather than play with TREE_INT_CST_LOW.
22297 1999-07-27 Philip Blundell <pb@nexus.co.uk>
22299 * config/arm/telf.h: Include dbxelf.h.
22300 (CPP_PREDEFINES): Only define if not already defined.
22301 (ASM_IDENTIFY_GCC): Likewise.
22302 (SUBTARGET_EXTRA_SECTIONS): Likewise.
22303 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
22304 * config/arm/thumb.h (LINK_SPEC): Only define if not already
22306 (DBX_DEBUGGING_INFO): Don't define.
22307 * config/arm/linux-telf.h: New file.
22308 * config/arm/linux-tgas.h: New file.
22309 * config/arm/t-thumb-linux: New file.
22310 * config/arm/uclinux-elf.h: New file.
22311 * config/arm/uclinux-telf.h: New file.
22312 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
22313 thumb-*-uclinux): New targets.
22314 * configure: Regenerate.
22316 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
22318 * pa.md (post_store, pre_load): New expanders.
22319 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
22320 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
22321 need to directly generate RTL for them.
22322 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
22325 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
22327 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
22328 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
22329 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
22330 (secndary_reload_class): Make TARGET_ELF conditional compile.
22331 (print_operand_address): Similar.
22332 (output_toc): Print all values as hex.
22333 (get_issue_rate): Rearrange and add RS64A and PPC630.
22334 * rs6000.h (processor_type): Add RS64A and PPC630.
22335 (PROCESSOR_POWERPC64): New.
22336 (PROMOTE_MODE): Use word_mode.
22337 (RTX_COSTS): Add RS64A and PPC630.
22338 * rs6000.md (scheduling information): Add lmul and ldiv
22339 representing 64-bit integer multiply and divide. Add rs64a and
22340 PPC630 information.
22341 (ashldi3): Add support for "rldic" instruction.
22342 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
22344 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
22346 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
22347 instead of V8 for sparclite86x in cpu_table.
22349 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22351 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
22352 output_file_directive.
22354 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
22356 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
22357 tree for op1, not the rtl.
22359 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
22361 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
22362 to m88k_va_start, leaving only the register spill.
22363 (m88k_build_va_list): New.
22364 (m88k_va_start): New.
22365 (m88k_va_arg): New.
22366 * m88k.h (BUILD_VA_LIST_TYPE): New.
22367 (EXPAND_BUILTIN_VA_START): New.
22368 (EXPAND_BUILTIN_VA_ARG): New.
22370 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
22372 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
22373 Rename from expand_builtin_saveregs.
22374 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
22376 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
22378 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
22379 for the register spill block.
22380 (i960_build_va_list): New.
22381 (i960_va_start): New.
22382 (i960_va_arg): New.
22383 * i960.h (BUILD_VA_LIST_TYPE): New.
22384 (EXPAND_BUILTIN_VA_START): New.
22385 (EXPAND_BUILTIN_VA_ARG): New.
22386 * i960.md (store_multiple): Use change_address on individul mems.
22388 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
22390 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
22392 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
22393 (expand_builtin_va_end): Evaluate arg for side effects.
22394 * c-common.c (c_common_nodes_and_builtins): Construct a
22395 va_list_arg_type_node to handle array decomposition to pointer.
22397 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
22399 * except.c (st_dynamic_cleanup): Use force_operand on the
22402 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
22404 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
22405 * c4x.c (c4x_va_arg): New.
22407 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
22409 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
22410 has manual_pop set.
22412 1999-07-26 Nathan Sidwell <nathan@acm.org>
22414 * eh-common.h (__eh_matcher): Prototype correctly.
22416 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
22418 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
22419 (TARGET_SINGLE_PIC_BASE): Likewise.
22420 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
22422 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
22423 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
22424 (TARGET_OPTIONS): Add -mpic-register=N.
22425 (OUTPUT_INT_ADDR_CONST): New macro.
22426 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
22427 LEGITIMATE_PIC_OPERAND_P): Likewise.
22428 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
22429 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
22430 output_addr_const directly.
22431 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
22433 (thumb_pic_register, thumb_pic_register_string): Declare.
22435 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
22437 (label_mentioned_p): New function: Imported from arm.c.
22438 (legitimize_pic_address): New function: Imported from arm.c.
22439 (is_pic):New function: Imported from arm.c.
22440 (thumb_finalize_pic):New function: Imported from arm.c.
22441 (add_constant): Cope with PIC constants.
22442 (fixit): Cope with PIC constants.
22443 (output_return): Do not treat the PIC register as live if
22444 TARGET_SINGLE_PIC_BASE is true.
22445 (thumb_function_prologue): Do not treat the PIC register as live if
22446 TARGET_SINGLE_PIC_BASE is true.
22447 (thumb_expand_prologue): Do not treat the PIC register as live if
22448 TARGET_SINGLE_PIC_BASE is true.
22449 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
22450 TARGET_SINGLE_PIC_BASE is true.
22451 (thumb_print_operand): Accept '|'.
22452 (thumb_override_options): Process PIC options.
22454 * config/arm/thumb.md (movsi): Support PIC.
22455 (call_insn): Change "i" constraint to "X".
22456 (call_value_insn): Likewise.
22457 (consttable_4, consttable_8, consttable_end): Set and clear
22458 "making_const_table" as appropriate.
22459 (pic_load_addr, pic_add_dot_plus_four): New insns.
22461 * invoke.texi (Thumb Options): Fix spelling. Document new
22462 options -msingle-pic-base and -mpic-register=.
22464 1999-07-26 Andrew Haley <aph@cygnus.com>
22466 * config/m32r/initfini.c (__init): Use a full word immediate for
22467 __fini: this allows it to be placed in any memory region.
22469 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
22470 -mmodel=medium. This is OK for all memory models.
22472 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
22474 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
22475 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
22477 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
22479 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
22482 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
22484 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
22486 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
22487 (BUILD_VA_LIST_TYPE): New.
22488 (EXPAND_BUILTIN_VA_START): New.
22489 (EXPAND_BUILTIN_VA_ARG): New.
22490 * i860.c (output_delayed_branch): Disable.
22491 (output_delay_insn): Likewise.
22492 (i860_saveregs): New.
22493 (i860_build_va_list): New.
22494 (i860_va_start): New.
22495 (i860_va_arg): New.
22496 * i860.md: Disable all peepholes using output_delayed_branch.
22497 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
22499 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
22501 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
22502 (BUILD_VA_LIST_TYPE): New.
22503 (EXPAND_BUILTIN_VA_START): New.
22504 (EXPAND_BUILTIN_VA_ARG): New.
22505 * clipper.c (clipper_builtin_saveregs): Only dump registers.
22506 Return the address of the save area.
22507 (clipper_build_va_list): New.
22508 (clipper_va_start): New.
22509 (clipper_va_arg): New.
22511 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
22513 * arc.h (EXPAND_BUILTIN_VA_START): New.
22514 (EXPAND_BUILTIN_VA_ARG): New.
22515 * arc.c (arc_setup_incoming_varargs): Set alias set of
22517 (arc_va_start): New.
22520 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
22522 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
22523 (BUILD_VA_LIST_TYPE): New.
22524 (EXPAND_BUILTIN_VA_START): New.
22525 (EXPAND_BUILTIN_VA_ARG): New.
22526 * alpha.c (alpha_builtin_saveregs): Delete.
22527 (alpha_build_va_list): New.
22528 (alpha_va_start): New.
22529 (alpha_va_arg): New.
22531 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
22533 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
22535 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
22536 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
22538 * gcc.texi: More changes related to list conversion.
22539 * invoke.texi: Likewise.
22541 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
22543 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
22544 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
22545 (expand_builtin_next_arg): Accept ARGLIST not EXP.
22546 (stabilize_va_list): New function.
22547 (std_expand_builtin_va_start): New function.
22548 (expand_builtin_va_start): New function.
22549 (get_varargs_alias_set): New function.
22550 (std_expand_builtin_va_arg): New function.
22551 (expand_builtin_va_arg): New function.
22552 (expand_builtin_va_end): New function.
22553 (expand_builtin_va_copy): New function.
22554 (expand_builtin): Call them.
22555 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
22556 __builtin_{varargs_start,stdarg_start,end,copy}.
22557 (build_va_arg): New function.
22558 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
22559 (build_va_arg): Declare.
22560 * c-decl.c (ptr_type_node, va_list_type_node): New.
22561 * c-parse.gperf (__builtin_va_arg): New.
22562 * c-parse.in (VA_ARG): New token.
22563 (unary_expr): Recognize it.
22564 * expr.c (expand_expr): Expand VA_ARG_EXPR.
22565 * expr.h (std_expand_builtin_va_start): Declare.
22566 (std_expand_builtin_va_arg): Declare.
22567 (expand_builtin_va_arg): Declare.
22568 (get_varargs_alias_set): Declare.
22569 * tree.def (VA_ARG_EXPR): New.
22570 * tree.h (BUILT_IN_VARARGS_START): New.
22571 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
22572 (ptr_type_node, va_list_type_node): Declare.
22573 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
22574 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
22575 * m88k.h, m88k.c: Likewise.
22576 * mn10300.h, mn10300.c: Likewise.
22577 * pa.h, pa.c: Likewise.
22578 * rs6000.h, rs6000.c: Likewise.
22579 * sh.h, sh.c: Likewise.
22580 * sparc.h, sparc.c: Likewise.
22582 * emit-rtl.c (operand_subword): Copy alias set.
22583 (change_address): Likewise.
22585 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
22587 * pa.c (compute_frame_size): Scan all the used callee saved registers,
22588 not just the first one.
22590 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
22592 * config/arm/arm.h (TARGET_SWITCHES): Add
22593 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
22594 (TARGET_OPTIONS): Add -mpic-register=.
22595 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
22596 (arm_pic_register_string): Declare.
22597 (NEED_PLT_GOT): Delete, replace with ...
22598 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
22599 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
22600 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
22601 * config/arm/arm.c (arm_override_options): Add new option
22603 (arm_pic_register_string): New variable.
22604 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
22605 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
22606 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
22607 (output_return_instruction): Likewise.
22608 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
22609 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
22610 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
22612 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
22613 mention of -msched-prolog. Document new options -msingle-pic-base
22614 and -mpic-register=.
22616 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
22618 * haifa-sched.c (reemit_notes): Tidy.
22619 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
22622 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
22624 * explow.c (trunc_int_for_mode): New function.
22625 (plus_constant_wide): Use it.
22626 * combine.c (simplify_and_const_int): Likewise.
22627 (merge_outer_ops): Likewise.
22628 (simplify_shift_const): Likewise.
22629 * cse.c (simplify_unary_operation): Likewise.
22630 (simplify_binary_operation): Likewise.
22631 * emit-rtl.c (operand_subword): Likewise.
22632 * rtl.h: Declare it.
22634 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22636 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
22637 (use NUM_REGS instead of NUM_INTS).
22639 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22641 * builtins.c: New file.
22642 * expr.c (saveregs_value, apply_args_value): Delete definition,
22643 moved into builtins.c.
22644 (string_constant): No longer static.
22645 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
22646 apply_args_size, apply_result_size, result_vector,
22647 expand_builtin_apply_args, expand_builtin_apply,
22648 expand_builtin_return): Delete functions, moved into builtins.c.
22649 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
22650 * expr.h (saveregs_value, apply_args_value): Declare variables.
22651 (expand_builtin, string_constant): Declare functions.
22652 * Makefile.in: Update to build builtin.o.
22654 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
22656 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
22657 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
22658 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
22659 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
22661 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
22664 1999-07-21 Michael Meissner <meissner@cygnus.com>
22666 * print-rtl.c (print_rtx): Print the names of the virtual
22669 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
22671 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
22672 introduced in previous delta.
22674 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22676 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
22677 to avoid name clash.
22679 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22681 * c-lex.c (yylex) : Correct the test for overflow when lexing
22684 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
22686 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
22687 (adjust_priority): Always call ADJUST_PRIORITY.
22688 (schedule_insn): Only put insns into the ready at cost 0.
22689 (schedule_block): Remove redundant initial sort. Give clock_var
22690 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
22692 * tm.texi (MD_SCHED_REORDER): Update docs.
22694 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
22695 * sparc.c (ultra_reorder_called_this_block): Delete.
22696 (ultrasparc_sched_init): Don't set it.
22697 (ultrasparc_sched_reorder): Don't check it.
22699 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
22701 * rs6000.h (struct rs6000_args): Add sysv_gregno.
22702 * rs6000.c (init_cumulative_args): Init sysv_gregno.
22703 (function_arg_boundary): Align DFmode.
22704 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
22705 to get fp reg and stack overflow correct.
22706 (function_arg): Likewise.
22707 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
22708 (setup_incoming_varargs): Restructure for ABI_V4; use
22709 function_arg_advance to skip final named argument.
22710 (expand_builtin_saveregs): Properly unskip the last integer arg
22711 when doing varargs. Adjust overflow location calculation.
22713 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
22714 explicitly unsigned.
22715 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
22716 (__VA_GP_REGSAVE): Similarly.
22717 (__va_longlong_p): Delete.
22718 (__va_arg_type_violation): New declaration.
22719 (va_arg): Restructure. Flag promotion errors. Align double.
22720 TFmode passed by reference.
22722 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
22723 in the HOST_BITS_PER_WIDE_INT > 32 case.
22725 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
22727 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
22729 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
22731 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
22732 * toplev.c (documented_lang_options): Add -fpreprocessed.
22733 * cpplib.h (struct cpp_buffer): Add preprocessed.
22734 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
22735 (cpp_start_read): Don't expand macros or emit an initial #line
22736 directive if -fpreprocessed.
22738 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22740 * cpplib.h (struct cpp_buffer): Added manual_pop for
22741 better C++ tokenization.
22742 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
22743 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
22744 * c-common.c (cpp_token): Make non-static.
22746 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22748 * c-common.h: New file.
22749 * c-common.c (permanent_obstack): Delete unused declaration.
22750 (c_global_trees): New array.
22751 (c_common_nodes_and_builtins): New function; split off common code
22752 from init_decl_processing in both c-decl.c and cp/decl.c.
22753 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
22754 c_global_trees and accessor macros defined in c-common.h.
22755 Include c-common.h.
22756 * c-decl.c: Delete definitions for tree nodes that were replaced by
22758 (init_decl_processing): Build void_list_node.
22759 Call c_common_nodes_and_builtins; delete code to generate the common
22761 * objc/objc-act.c (build_module_descriptor): Rename variable
22762 void_list_node to avoid clash with c-common.h.
22764 * Makefile.in: Update dependencies.
22765 * objc/Make-lang.in: Likewise.
22767 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
22769 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
22770 (UNIQUE_SECTION_P): Likewise.
22771 (UNIQUE_SECTION): Likewise.
22773 1999-07-19 Linas Vepstas <linas@linas.org>
22775 * config/i370/README: New file.
22776 * config/i370/linux.h: New file.
22777 * config/i370/mvs.h: New file.
22778 * config/i370/oe.h: New file.
22779 * config/i370/t-linux: New file.
22780 * config/i370/t-mvs: New file.
22781 * config/i370/t-oe: New file.
22782 * config/i370/x-oe: New file.
22783 * config/i370/xm-linux.h: New file.
22784 * config/i370/xm-mvs.h: New file.
22785 * config/i370/xm-oe.h: New file.
22787 * i370.c (label_node_t): Add first_ref_page, label_addr,
22788 label_first_ref, label_last_ref members.
22789 (mvs_need_base_reload): Renamed from mvs_label_emitted.
22790 (MAX_MVS_LABEL_SIZE): Define.
22791 (MAX_LONG_LABEL_SIZE): Define.
22792 (alias_node_t, alias_anchor, alias_number): New.
22793 (mvs_function_table): Reorder for EBCDIC.
22794 (ascebc, ebcasc): Unconditionally define.
22795 (i370_branch_dest, i370_branch_length): New functions.
22796 (i370_short_branch, i370_label_scan): New functions.
22797 (mvs_get_label): Renamed from mvs_add_label. Search for
22798 an existing label before creating a new one.
22799 (mvs_add_label): New function.
22800 (mvs_get_label_page): New function.
22801 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
22802 over the entire list.
22803 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
22804 (mvs_check_page) [TARGET_ELF_ABI]: New function.
22805 (mvs_add_alias, mvs_need_alias): New functions.
22806 (mvs_get_alias, mvs_check_alias): New functions.
22807 (handle_pragma): New function.
22808 (mvs_function_check): New function.
22809 (unsigned_jump_follows_p): Search harder.
22810 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
22811 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
22812 * i370.h (TARGET_VERSION): Delete.
22813 (CPP_SPEC, CPP_PREDEFINES): Delete.
22814 (mvs_label_emitted): Delete.
22815 (TARGET_EBCDIC): Delete.
22816 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
22817 (HANDLE_PRAGMA): Define.
22818 (HARD_REGNO_NREGS): Handle complex modes.
22819 (HARD_REGNO_MODE_OK): Likewise.
22820 (CLASS_MAX_NREGS): Likewise.
22821 (RET_REG): Likewise.
22822 (EXTRA_CONSTRAINT): Define.
22823 (RETURN_IN_MEMORY): True for DImode.
22824 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
22825 (FUNCTION_PROFILER): Delete.
22826 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
22827 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
22828 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
22829 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
22830 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
22831 (ASM_FILE_START): Add "RMODE ANY".
22832 (ASM_OUTPUT_EXTERNAL): Check for aliases.
22833 (ASM_GLOBALIZE_LABEL): Likewise.
22834 (ASM_OUTPUT_LABELREF): Likewise.
22835 (ASM_OUTPUT_COMMON): Likewise.
22836 (PRINT_OPERAND): Handle 'K', 'W', default.
22837 (PRINT_OPERAND_ADDRESS): New.
22838 (Lots of defines): Add support for TARGET_ELF_ABI.
22839 * i370.md (attr length): New. Define for all patterns.
22840 (*): Lots of tweeks to assembly output and constraints.
22842 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
22844 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
22845 Disable patterns performing SImode comparisons with SImode values
22846 if TARGET_POWERPC64 and instruction does not sign-extend or does
22847 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
22848 differ for signed quantities.
22849 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
22850 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
22851 (decrement_and_branch_on_count): Add 64-bit variant.
22853 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22855 * final.c (output_asm_insn): When searching for the matching string
22856 for a given dialect, don't run past the end of the list of
22857 alternatives if there are fewer alternatives in the template than
22860 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
22862 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
22863 Removed paragraph about compression of files and size limitation,
22864 duplicated in the FAQ. Use gcc-patches for posting patches.
22865 * gcc.c (main): Updated URL with bug reporting instructions to
22866 gcc.gnu.org. Removed e-mail address.
22867 * system.h (abort): Likewise.
22869 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22871 * Makefile.in (stmp-multilib-sub): Make the files extracted
22872 from $(LIBGCC1) writable.
22874 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
22876 * config/arm/aout.h: Reformat for improved readability.
22878 * config/arm/arm.h: Reformat for improved readability.
22879 Replace uses of fprintf with asm_fprintf where appropriate.
22880 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
22881 function declaration assembler actions.
22882 (NUM_INTS): New macro: Convert from bytes to words.
22883 (NUM_REGS): New macro: Compute number of registers required to
22884 hold a quanitity of tyep MODE.
22885 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
22887 (NUM_ARG_REGS): New macro: The number of argument registers
22889 (ARG_REGISTER): New macro: Compute the register number of the Nth
22891 (LAST_ARG_REGNUM): New macro: The number of the last argument
22893 (SP_REGNUM): New macro: Register number of the stack pointer.
22894 (FP_REGNUM): New macro: Register number of the frame pointer.
22895 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
22896 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
22897 CUMULATIVE_ARGS so that it counts registers not bytes.
22899 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
22901 Replace uses of fprintf with asm_fprintf where appropriate.
22902 (output_ascii_pseudo_op): Replace with version from thumb.c
22904 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
22906 * config/arm/elf.h (CPP_PREDEFINES): Replace with
22907 SUBTARGET_CPP_SPEC.
22908 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
22909 (ASM_FILE_START): Emit ASM_APP_OFF.
22911 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
22913 * pa.c (compute_frame_size): Round frame according to
22914 STACK_BOUNDARY rather than a hardwired value.
22916 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
22918 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
22920 * configure: Rebuilt.
22922 * configure.in (hppa*-*-linux*): New configuration.
22923 * configure: Rebuilt.
22924 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
22925 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
22926 * pa/pa-linux.h: New file.
22927 * pa/t-linux: New file.
22928 * pa/xm-linux.h: New file.
22930 * pa.c (hppa_legitimize_address): Change references from SImode to
22931 either Pmode or word_mode as appropriate.
22932 (emit_move_sequence, store_reg, load_reg): Likewise.
22933 (set_reg_plus_d, hppa_expand_prologue): Likewise.
22934 (output_mul_insn): Likewise.
22935 * pa.h (PROMOTE_MODE): Likewise.
22936 (INITIALZE_TRAMPOLINE): Likewise.
22937 (Pmode): Define to word_mode.
22939 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
22940 value of 4. Allocate 8 bytes for each FP register save.
22941 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
22943 (hppa_expand_prologue): Likewise.
22944 * pa.h (PROMOTE_MODE): Likewise.
22945 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
22946 (FUNCTION_ARG_BOUNDARY): Likewise.
22948 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
22950 * pa.c (out_of_line_prologue_epilogue): Delete.
22951 (override_options): Remove -mspace related code.
22952 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
22953 (compute_frame_size): Only allocate space for register that
22954 actually need to be saved.
22955 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
22956 (TARGET_SWITCHES): Remove -mspace, -mno-space
22957 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
22958 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
22959 * pa/ee.asm, pa/ee_fp.asm: Delete.
22961 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
22963 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
22964 directive in column zero.
22966 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
22968 * m68k.c (output_function_prologue): Fix computation of save mask
22969 when generating PIC code.
22971 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
22973 * tree.c (build_type_attribute_variant): Move current_obstack restore
22974 after build_qualified_type call.
22976 1999-07-15 Mark Mitchell <mark@codesourcery.com>
22978 * configure.in: Use t-iris6, even with GNU LD.
22979 * config/mips/iris6gld.h: Fix typo in linker spec.
22980 * config/mips/t-iris6gld: Remove.
22982 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
22984 * rs6000.md (insv, extzv): Remove SImode dependence in named
22985 patterns. Explicitly generate DImode RTL if PowerPC64 and
22987 (insvdi): Reverse start and size in instruction template.
22989 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
22991 * invoke.texi: Typo fixes.
22993 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
22995 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
22996 handle at this time instead of silently generating incorrect code.
22997 (gen_imagpart): Likewise.
22999 * reload.c (find_reloads): Emit a USE for a pseudo register without
23000 a hard register if we could not create an optional reload for the
23003 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23005 * c-typeck.c (output_init_element, process_init_element):
23006 When advancing constructor_unfilled_fields for a RECORD_TYPE,
23007 check for nameless bit fields.
23009 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
23011 * regclass.c (scan_one_insn): Notice subregs that change the
23012 size of their operand.
23013 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
23015 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
23017 * configure.in (alpha*-*-*): Include alpha/t-ieee.
23018 * configure: Rebuilt.
23019 * alpha/t-ieee: New file.
23021 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
23023 * rs6000.c (find_addr_reg): Do not select r0 as an address
23026 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
23028 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
23030 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
23032 * rs6000.md (movsf): Do not force easy FP constants into memory.
23034 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
23035 immed_double_const to ensure they are properly truncated then
23038 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
23040 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
23041 always unless NO_DEBUG is used. Compile this code
23043 (replace_symbols_in_block): Compile it unconditionally.
23045 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
23047 * configure.in (i?86-*-elf*): New target.
23048 * configure: Rebuilt.
23049 * i386/i386elf.h, i386/t-i386elf: New files.
23051 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23053 * toplev.c (main): Don't complain about saying -gdwarf.
23054 (rest_of_compilation): Remove redundant code.
23056 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
23058 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
23060 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
23062 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
23063 "Li960R:", to avoid name clash.
23065 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23067 * loop.c (check_dbra_loop): When reversing a loop, delete all
23068 REG_EQUAL notes referencing the reversed biv except those which are
23069 for a giv based on it.
23071 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
23073 * version.c: Drop "gcc-" prefix from version #.
23075 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
23077 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
23078 the label if we're being verbose.
23080 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
23082 * m68k.c (output_function_prologue): Add pic register to mask
23083 if live and flag_pic.
23084 (output_function_epilogue): Likewise.
23086 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
23088 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
23089 directives in column zero.
23091 * pa/elf.h (ASM_FILE_START): Define.
23092 * pa/som.h (ASM_FILE_START): Include .level directives.
23093 * pa/hpux10.h (ASM_FILE_START): Delete.
23094 * pa/hpux11.h (ASM_FILE_START): Delete.
23096 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
23098 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23100 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
23101 when reload_out equals reload_in.
23103 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
23105 * invoke.texi (Spec Files): New node: Describe the contents of
23108 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
23110 * invoke.texi (DEC Alpha Options): Put @end table at
23111 beginning of line, to avoid confusing texi2html.
23113 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
23115 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
23116 introduced in previous delta.
23118 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23120 * reload1.c (gen_reload): When synthesizing a 3 operand add
23121 sequence, improve test for when to reload OP1 into the reload
23122 register instead of OP0.
23124 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
23126 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
23128 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
23130 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
23133 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
23135 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
23136 (va_dcl): Use __builtin_va_alist_t.
23138 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
23140 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
23141 on the permanent_obstack.
23142 * dwarfout.c (output_type): Likewise.
23144 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
23146 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23147 Merged from c-typeck.c and cp/typeck.c.
23148 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23149 Merged into c-common.
23151 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
23153 * c-lex.c (errorcount): Declare it.
23154 (finish_parse): Update errorcount when using CPPLIB.
23156 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
23158 * fixinc/inclhack.def(end_else_label): Double the backslash so
23159 sed gets a chance to see it.
23160 * fixinc/inclhack.sh: regen
23161 * fixinc/fixincl.x: regen
23163 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
23165 Add framework to support armv5 architecture when it becomes
23168 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
23169 (arm_arch5): New variable.
23170 (all_architectures): Add armv5 line.
23171 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
23172 -march=armv5 is specified on the command line.
23173 (arm_arch5): Export this variable.
23174 * invoke.texi: Document new string accepted by -march= switch for
23177 * config/arm/arm.h: Replace use of constant 12 as a register
23178 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
23179 * config/arm/arm.c: Replace use of constant 12 as a register
23180 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
23182 * config/arm/elf.h: Tidy up.
23183 * config/arm/coff.h: Tidy up.
23185 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
23187 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
23188 * gcc/config/mips/t-iris6gld: New file.
23189 * gcc/config/mips/iris6gld.h: Likewise.
23191 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
23193 * c-decl.c (widest_integer_literal_type_node,
23194 widest_unsigned_literal_type) : New.
23195 (init_decl_processing): Handle/use the two new types.
23196 * c-common.c (type_for_size,type_for_mode) : Same.
23197 * c-lex.c (yylex) : Same.
23198 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23200 * c-tree.h (widest_integer_literal_type_node,
23201 widest_unsigned_literal_type) : New.
23203 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
23205 * dwarfout.c (field_byte_offset): Correctly compute the object's
23206 byte offset for the first bit of a field which crosses an alignment
23207 boundary on a !BYTES_BIG_ENDIAN target.
23209 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
23211 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
23214 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
23215 Jeff Law <law@cygnus.com>
23217 * ginclude/varargs.h (va_dcl): Use word_mode for type of
23220 * except.c: Include intl.h.
23221 (expand_eh_return): Set current_function_cannot_inline.
23222 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
23223 * function.h (struct function): Add eh_return_stub_label.
23224 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
23225 * Makefile.in (except.o): Depend on intl.h.
23227 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
23229 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
23230 same as offsettable in cases 1 and 2.
23232 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
23234 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
23235 (extlh, extwh): Likewise.
23237 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
23239 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
23241 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
23243 * configure.in: Add arm-pe and thumb-pe targets.
23244 * configure: Regenerate.
23246 * thumb.c (arm_naked_function_p): New function: Determines if
23247 a function is naked (has no gcc generated prologue/epilogue).
23248 (is_called_in_ARM_mode): Return true if the func has the
23249 interfacearm attribute.
23250 (output_return): Do not generate a return for naked functions.
23251 (thumb_function_prologue): Do not generate a prologue for
23253 (thumb_expand_prologue): Do not generate a prologue for naked
23255 (thumb_expand_epilogue): Do not generate an epilogue for naked
23257 (arm_valid_machine_decl_attribute): New function, copied from
23258 arm.c: Permit naked and interfacearm attributes.
23260 * config/arm/pe.c: New file: Support code for arm-pe target.
23261 * config/arm/pe.h: New file: Header file for arm-pe target.
23262 * config/arm/tpe.h: New file: Header file for thumb-pe target.
23263 * config/arm/t-thumb-pe: New file: Makefile fragment for
23266 1999-07-01 Mark Kettenis <kettenis@gnu.org>
23268 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
23269 -fPIC or -fpic is specified.
23271 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
23273 * expr.c (emit_block_move): Use copy_to_mode_reg for
23274 !TARGET_MEM_FUNCTIONS case too.
23276 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
23278 * configure: Rebuilt.
23279 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
23280 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
23281 definitions made redundant by dbxelf.h inclusion. Delete
23282 lots of definitions related to assembly output that are
23283 specific to the SOM object format.
23284 * pa.c (output_function_prologue): Do not emit the function's
23286 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
23287 * pa-pro.h: Deleted.
23288 * som.h: New file with SOM specific definitions.
23289 * elf.h: New file with ELF specific definitions.
23291 * elfos.h (const_section): Output a tab before assembler directives.
23292 (ctors_section, dtors_section): Likewise.
23293 (ASM_OUTPUT_SECTION_NAME): Likewise.
23295 * pa/pa1.h: Delete unused file.
23297 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
23299 * configure.in (hppa*-hp-hpux11*): New configuration.
23300 * configure: Rebuilt.
23301 * pa/pa-hpux11.h: New file.
23302 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
23305 * mips.md (leasi, leadi): New patterns.
23307 * expr.c (emit_block_move): Properly handle case where one of the
23308 block move arguments has a queued increment or decrement.
23309 (clear_storage): Similarly. Fix formatting goof.
23311 1999-06-28 "David O'Brien" <obrien@NUXI.com>
23313 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
23314 semicolon from the BSD VA_LIST replacement expression.
23316 * fixinc/inclhack.sh: regen
23317 * fixinc/fixincl.x: regen
23319 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
23320 now use the fixincl program.
23322 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
23324 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
23325 case. Also make the PIC register call_used.
23327 * m68k.h (FINALIZE_PIC): Delete.
23328 * m68k.c (finalize_pic): Delete.
23330 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
23332 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
23335 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
23337 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
23339 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
23341 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
23343 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
23345 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
23347 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
23349 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
23351 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
23353 * rs6000.c (output_toc): Always use hex values for floating-point
23354 constants. Store single-precision values in upper-half of TOC
23355 entry in 64-bit mode.
23356 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
23357 to final constraints.
23358 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
23359 (fctiwz): Improve accuracy of RTL for pattern.
23361 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
23363 * expr.c (expand_expr): Allow RTL_EXPR's through the
23364 MAX_INTEGER_COMPUTATION_MODE checks.
23366 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
23368 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
23369 such that MASK_SUPPORT_ARCH is not negative.
23371 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
23373 * loop.c (verify_dominator): Properly handle ADDR_VEC and
23374 ADDR_DIFF_VEC insns that appear inside loops.
23376 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
23377 Jeff Law <law@cygnus.com>
23379 * rs6000.md (movdf_hardfloat32): Revert previous patch.
23380 Handle LO_SUM the same as offsettable in cases 1 and 2.
23381 * rs6000.c (find_addr_reg): Revert previous patch.
23383 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
23385 * system.h (strstr): New external function declaration.
23386 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
23387 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
23388 * config.in, configure: Rebuilt.
23390 1999-06-24 Tom Tromey <tromey@cygnus.com>
23392 * gcc.c (main): Read user-specified specs files after computing
23393 additional startfile_prefixes.
23395 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
23397 Revert these two patches:
23399 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23400 * loop.c (strength_reduce): When doing biv->giv conversion, update
23401 reg note of NEXT->insn.
23403 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23404 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23406 (recombine_givs): Set ix field after sorting.
23408 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23410 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
23411 for the parts of an UNSPEC / UNSPEC_VOLATILE.
23413 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
23415 *fixinc/inclhack.def: Add fix development commentary
23416 (read_ret_type): reactivate and add selection clause
23417 (zzz_*): tweak output file name to match what is used in hackshell.tpl
23418 *fixinc/{fixincl.x|inclhack.sh}: regen
23420 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
23422 * expr.c (expand_expr): STRIP_NOPS before checking against
23423 MAX_INTEGER_COMPUTATION_MODE
23424 (check_max_integer_computation_mode): Likewise.
23426 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
23428 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
23430 1999-06-22 Jim Wilson <wilson@cygnus.com>
23432 * expr.c (store_expr): When target is a promoted subreg, return a
23433 promoted subreg as a result.
23435 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
23437 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
23439 (dwarf2out_define): Mark unused parameters appropriately.
23440 (gen_unspecified_parameters_die): Ditto.
23441 (gen_subprogram_die): Fix signed/unsigned warnings.
23442 (gen_variable_die): Ditto.
23444 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
23446 * fixinc/inclhack.def(end_else_label): combined else_label
23447 and endif_label and fixed the sed expression.
23448 *fixinc/{fixincl.x|inclhack.sh}: regen
23450 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
23452 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
23453 'x' when handling non-offsettable addresses
23455 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
23457 * final.c (shorten_branches): Don't try to split an insn that has
23460 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
23462 * config/mips/mips.c (symbolic_expression_p): New function.
23463 (mips_select_rtx_section): Put symbolic expressions in the
23464 data section, not the read-only data section.
23466 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
23468 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
23470 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
23472 * collect2.c (main): Log frame table count.
23473 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
23474 (scan_prog_file) [COFF]: Handle frame tables.
23476 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
23477 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
23478 * alpha/elf.h: Undef them again.
23479 * alpha/vms.h: Remove their definitions.
23481 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23483 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
23484 remove the clobber of r0 and change the REG_UNUSED note to
23487 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
23489 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
23490 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
23491 fits in HOST_WIDE_INT and one uses union to access a long constant
23494 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
23496 * sparc.c (sparc_override_options): Don't allow profiling for
23497 code models other than medlow.
23498 (sparc_function_profiler): New function from old FUNCTION_PROFILER
23499 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
23500 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
23501 (sparc_block_profiler): Likewise.
23502 (sparc_function_block_profiler_exit): Likewise.
23503 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
23504 (FUNCTION_BLOCK_PROFILER): Likewise.
23505 (BLOCK_PROFILER): Likewise.
23506 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
23507 (MCOUNT_FUNCTION): New.
23508 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
23509 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
23510 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
23511 (MCOUNT_FUNCTION): New.
23512 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
23513 (BLOCK_PROFILER): Delete.
23514 (MCOUNT_FUNCTION): New.
23516 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
23518 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
23520 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
23522 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23525 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23528 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23531 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23534 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
23536 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
23539 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
23541 * i386/djgpp.h (LIB_SPEC): New.
23542 (STARTFILE_SPEC): New.
23544 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
23546 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
23548 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
23551 * system.h (WSTOPSIG): New macro.
23553 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
23555 * c-pragma.c (push_alignment): Don't ignore alignments greater than
23557 (insert_pack_attributes): Take into account member natural
23560 * i386/winnt.c (exports_head): New static variable.
23561 (i386_pe_record_exported_symbol): New function.
23562 (i386_pe_asm_file_end): Use.
23563 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
23564 symbols to be emitted at end of assembly.
23565 (ASM_DECLARE_OBJECT_NAME): Likewise.
23566 (ASM_DECLARE_FUNCTION_NAME): Likewise.
23568 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
23571 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
23573 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
23576 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
23578 * haifa-sched.c (sched_analyze_1): Use free_list instead of
23579 zapping reg_last_uses directly.
23580 (sched_analyze_2, sched_analyze_insn): Likewise.
23581 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
23583 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
23585 * rs6000.md (movdf_hardfloat32): Use worst case insn length
23586 attributes for cases 1 and 2.
23588 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
23590 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
23593 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
23595 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
23597 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
23599 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
23600 PIC_OFFSET_TABLE_REGNUM for general alloaction.
23601 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
23602 must be stacked if it is used for PIC accesses.
23603 * arm.c (use_return_insn): Handle PIC register specially.
23604 (output_return_instruction): Likewise.
23605 (output_func_{prologue,epilogue}): Likewise.
23606 (output_expand_prologue): Likewise.
23608 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
23609 (*strsi_predec): Renamed from *strqi_predec.
23610 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
23611 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
23613 * arm.c (arm_override_options): Remove warning about PIC code
23614 not being supported.
23616 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
23618 * rs6000.c (find_addr_reg): New function.
23619 * rs6000.h (find_addr_reg): Declare.
23620 (offsettable_addr_operand): Delete.
23621 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
23622 from and stores to GPRs.
23624 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
23626 * alpha.c (alpha_expand_block_move): Use get_insns rather than
23627 gen_sequence as argument to emit_no_conflict_block.
23629 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23631 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
23632 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
23633 *fixinc/fixincl.x: regen
23634 *fixinc/inclhack.sh: regen
23636 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
23638 * added support for -mpcrel (PC relative addressing for m68k)
23639 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
23640 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
23641 * m68k.c (print_operand_address): Handle 32-bit PIC case.
23642 (comments for general_src_operand): Add some explanation
23643 about EXTRA_CONSTRAINTS.
23644 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
23645 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
23646 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
23647 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
23648 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
23649 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
23650 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
23651 if not already set.
23652 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
23653 * m68k.h (TARGET_PCREL): New target flag.
23654 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
23655 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
23656 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
23657 contains a SYMBOL_REF. Relax this constraint during reload, since
23658 we want to use the predicates, not reload's built-in concept of a
23659 valid memory address, to control what insns need reloading.
23660 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
23661 operands (essentially 'g', 'm', and 's' under normal circumstances).
23662 * m68k.c (print_operand): Cause printing of pc-relative addresses
23663 to include pc register.
23664 (print_operand_address): Ditto.
23665 (general_src_operand): Accept operands that are not only
23666 general_operands, but are also valid when used as a pc-relative
23668 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
23669 (memory_src_operand): Similar, for memory_operands.
23670 (pcrel_address): New predicate to accept the special case of a
23671 pc-relative address.
23672 * m68k.md (many patterns): Rewrite common SImode, HImode, and
23673 QImode insns to accept *_src_operand instead of *_operand where
23674 pc-relative operands can fit. For example, a pc-relative operand
23675 can be used as a memory source operand for addsi3, but not as a
23676 memory destination.
23677 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
23679 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
23681 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
23682 .thumb_set pseudo op to mark aliases of thumb functions.
23684 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
23686 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
23687 preference to ASM_OUTPUT_DEF, if it is defined.
23689 * tm.texi: Document new, optional target macro
23690 ASM_OUTPUT_DEF_FROM_DECLS.
23692 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23694 * fixincludes: ISCNTL patch
23695 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
23696 (dgux_int_varargs): new for DG/UX
23697 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
23699 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
23701 * invoke.texi (ia32 options): Fix typo.
23703 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23705 * loop.c (strength_reduce): When doing biv->giv conversion, update
23706 reg note of NEXT->insn.
23708 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
23710 * loop.c (move_movables): Note issues with replacing REGs with
23712 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
23714 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
23716 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
23718 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
23719 the reference to `mcount' was not correct for the ELF on FreeBSD.
23721 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23723 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23726 (recombine_givs): Set ix field after sorting.
23728 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
23730 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
23731 to safe to extract a subword out of a REG.
23733 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23735 * sh.md (mulsi3): Don't add a no-op move at the end.
23737 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23739 * cse.c (cse_insn): Don't put hard register source into tables for
23740 the last insn of a libcall.
23742 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23744 * loop.c (strength_reduce): Insert sets of derived givs at every
23745 biv increment, even if it's the only one.
23747 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
23749 * dwarfout.c (add_incomplete_type): New fn.
23750 (output_type): Call it.
23751 (retry_incomplete_types): New fn.
23752 (dwarfout_finish): Call it.
23754 From Eric Raskin <ehr@listworks.com>:
23755 (output_type): Output types for bases.
23757 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23759 * mips.c (mips_output_conditional_branch): Add `break'
23760 between `default' label and `close braces'.
23762 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
23764 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
23765 specifications and make it realistic.
23766 (LIB_SPEC): Likewise.
23768 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
23770 * config/mips/mips.c (mips_secondary_reload_class): Check for
23771 (PLUS (SP) (REG)) and return appropriate register class.
23772 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
23773 Handle (PLUS (SP) (REG)).
23774 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
23775 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
23776 of emit_insn for tablejump.
23778 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
23780 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
23781 asm_fprintf format string by itself.
23782 (output_function_profiler): Likewise.
23784 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
23786 * combine.c (simplify_logical, case AND): Only call
23787 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
23788 or the constant is positive.
23790 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
23792 * configure.in: Fix typo in rs6000-ibm-aix4 case.
23793 * configure: Regenerate.
23795 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
23797 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
23798 require a sub-version #.
23799 * configure: Rebuilt.
23801 1999-06-14 Robert Lipe (robertlipe@usa.net)
23803 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
23805 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
23807 * c-typeck.c (process_init_element): Detect excess elements in
23808 char array initializer.
23810 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
23812 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
23814 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
23816 * invoke.texi (Option Summary): Add -fpermissive flag.
23818 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
23820 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
23821 that require PIC code sequences.
23823 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
23825 * configure.in: Add new target: thumb-elf.
23826 * configure: Regenerate.
23827 * config/arm/t-thumb-elf: New file: Makefile fragment for
23829 * config/arm/telf.h: New file: Header file for thumb-elf
23832 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
23834 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
23835 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
23836 initializers is some circumstances.
23838 * fixinc/inclhack.def (endif_label): Add additional selector for
23839 more bogus stuff after #endif statements.
23840 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
23842 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
23844 * i386/cygwin.h (SET_ASM_OP): Define.
23846 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
23848 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
23850 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23852 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
23855 * sh.md (ic_invalidate_line_i): Remove second alternative.
23857 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23859 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
23860 test for the presence of valid prototypes. Delete bypass expr.
23861 (ioctl_fix_ctrl): Correct the selection expression.
23862 (no_double_slash): Correct quoting rules
23863 *fixinc/fixincl.x: regen
23864 *fixinc/inclhack.sh: regen
23866 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
23868 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
23870 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23872 * rs6000.md (movsi_got_internal_mem): Delete.
23873 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
23874 (GOT_TOC_REGNUM): Delete.
23875 (PIC_OFFSET_TABLE_REGNUM): Define.
23876 (FINALIZE_PIC): Disable.
23877 * rs6000.c (rs6000_got_register): New code for fixed pic register.
23878 (rs6000_replace_regno): Delete.
23879 (rs6000_finalize_pic): Likewise.
23880 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
23882 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23884 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
23885 is a note; use <= for the compare; advance P while it is
23888 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
23890 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
23891 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
23893 * varasm.c (remove_from_pending_weak_list): Verify t->name
23894 is non-NULL before passing it to strcmp.
23896 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23898 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
23899 the typed arguments are not part of a comment
23900 (ioctl_fix_ctrl): Added a purpose comment
23901 *fixinc/fixincl.x: regenerate
23902 *fixinc/inclhack.sh: regenerate
23904 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23906 * invoke.texi: Add C4x invocation docs.
23908 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23910 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
23912 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
23914 (c4x_legitimize_reload_address): New function.
23915 * config/c4x/c4x.md: Update docs.
23917 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
23919 * fixincludes: Avoid removing '.'.
23920 * fixinc/fixinc.svr4: Likewise.
23921 * fixinc/fixinc.winnt: Likewise.
23922 * fixinc/inclhack.tpl: Likewise.
23923 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
23925 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23927 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
23929 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
23931 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
23933 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
23936 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
23938 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
23939 * configure: Regenerate.
23941 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
23943 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
23946 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
23948 * fixinc/inclhack.def (avoid_bool): Also catch
23949 "typedef [unsigned] int bool".
23950 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
23952 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
23953 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
23954 * configure: Rebuilt.
23956 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
23958 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
23959 such that we can override its definitions if necessary.
23960 (CPP_SPEC): New define. Support processor specific predefines via
23962 (CC1_SPEC): New define. Support processor specific compiler
23963 options via %(cc1_cpu).
23964 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
23967 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23969 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
23970 between sed's -e flag, and the open-quote following it.
23971 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
23973 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
23974 Jeffrey A Law (law@cygnus.com)
23976 * varasm.c (assemble_start_function): Remove the function
23977 from the pending weak decls list when we define a function.
23978 (assemble_variable): Similarly for variables.
23979 (weak_finish): Ignore items on the list with a NULL name.
23980 (remove_from_ending_weak_list); New function to "remove" an item
23981 from the pending weak declarations list.
23983 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
23985 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
23987 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
23989 * c-lex.c (GETC): Redefine to call getch.
23990 (UNGETC): Redefine to call put_back.
23991 (putback_buffer): New structure type.
23992 (putback): New static structure.
23993 (getch): New function.
23994 (put_back): New function.
23995 (yylex): Replace unused bytes from bad multibyte character.
23997 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
23999 * cpplib.c (do_define): Cast `alloca' return value.
24000 (do_include, do_undef, do_pragma): Likewise.
24001 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
24003 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
24004 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
24006 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
24008 * sparc.md (abstf2): This should be an expand.
24009 (split after abstf2_notv9): Fix mode.
24010 (abstf2_hq_v9): New pattern.
24011 (abstf2_v9): Only use when no hard quad.
24012 (absdf2_v9): Fix if target is not the same as source.
24013 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
24014 Add correct output constraints.
24016 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
24018 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
24019 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
24021 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
24023 * mips.h (mips_output_conditional_branch): New function.
24024 (mips_adjust_insn_length): Likewise.
24025 (ASSEMBLER_SCRATCH_REGNUM): New macro.
24026 (ADJUST_INSN_LENGTH): Likewise.
24027 * mips.c (print_operand): Add `F' and `W' for floating-point
24028 comparison opcodes.
24029 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
24031 (mips_adjust_insn_length): New function.
24032 (mips_output_conditional_branch): New function.
24033 * mips.md (length): Adjust attribute definition to handle
24034 conditional branches. Change lengths to bytes, rather than
24035 instructions throughout. Remove length attribute from
24036 instructions whose length is four bytes, and rely on the default
24038 (dslot): Fix typo in comment.
24039 Reword conditional branch patterns to use
24040 mips_output_conditional_branch.
24042 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
24044 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
24045 (LIB_SPEC): Likewise.
24046 Link with -lprof1_r for -g/-pg.
24048 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24050 * loop.c (check_dbra_loop): Fix change of Jan 19.
24052 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
24054 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
24055 (STARTFILE_SPEC): Define, override the svr4.h version.
24056 (ENDFILE_SPEC): Likewise.
24058 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
24060 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
24061 * fixinc/fixincl.x: Regenerated.
24062 * fixinc/inclhack.sh: Regenerated.
24064 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24066 * sh.c (barrier_align): Don't return early for normal branch/barrier
24067 when optimizing for SH2.
24069 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
24071 * i386/udk.h (LINK_SPEC): Correct linker search path for
24074 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24076 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
24077 (braf_label_ref_operand): Delete.
24078 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
24079 * sh.md (casesi_jump_2): Operand1 is now the inside of a
24080 label_ref, and has no predicate.
24081 The patten has a predicate to guard against invalid substitutions.
24082 (dummy_jump): Delete.
24083 (casesi): Update use of casesi_jump_2.
24085 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24087 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
24088 *fixinc/fixincl.x: regenerate
24089 *fixinc/inclhack.sh: regenerate
24091 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
24093 * dwarf2out.c (add_incomplete_type): New fn.
24094 (gen_struct_or_union_type_die): Call it.
24095 (retry_incomplete_types): New fn.
24096 (dwarf2out_finish): Call it.
24098 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
24100 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
24101 current block starts with a CODE_LABEL and ends with a CALL and
24102 we can not find all the argument setup instructions for the CALL.
24104 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
24106 Revert this change:
24107 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
24108 something is a candidate for optimize_bit_field_compare.
24110 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24112 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
24114 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
24116 * alpha.c (override_options): Thinko in last patch.
24118 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
24119 (LIB_SPEC): Recognize -pthread.
24121 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
24123 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
24124 definition in config/arm/coff.h
24125 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
24127 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24129 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
24130 fixes that need "file=xxx\n" prepended before invocation
24131 (start_fixer - new): starting the fixer process is complex enough
24132 to warrent its own routine. It prepends the "file=xxx\n" stuff.
24133 (process): uses the new routine; omit usage of putenv()
24134 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
24135 * fixinc/fixincl.x: regenerate
24137 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
24139 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
24140 and version #s (1.1 -> 2.96) as needed.
24141 * README.g77: Kill way out of date file in the toplevel directory.
24143 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
24145 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
24146 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
24147 * configure: Rebuilt.
24148 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
24149 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
24150 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
24151 (SWITCH_TAKES_ARG): Likewise.
24152 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
24153 * config/t-freebsd: Moved from config/i386/ so it can used for all
24156 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
24158 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
24160 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
24162 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
24163 * configure: Rebuilt.
24165 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
24167 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
24168 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
24169 * rs6000/rs6000.c (rs6000_file_start): Use putc.
24170 (rs6000_output_load_toc_table): Same.
24171 (output_prolog, output_mi_thunk): Same.
24172 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
24173 (ASM_GLOBALIZE_LABEL): Use putc.
24175 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
24177 * alpha.md (reload_*_help): New patterns and splitters.
24178 (reload_*): Use them.
24179 (mov[qh]i): Likewise.
24181 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
24183 * cccp.c (handle_directive): Handle backslash-newlines in quoted
24186 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
24188 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
24190 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
24192 * flow.c (mark_regs_live_at_end, insn_dead_p,
24193 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
24194 and HARD_FRAME_POINTER_REGNUM special treatment if reload
24195 hasn't run or the frame pointer is needed.
24196 * haifa-sched.c (attach_deaths): Likewise.
24197 * sched.c (attach_deaths): Likewise.
24199 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
24201 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
24202 calculate_can_reach_end returns nonzero.
24204 * configure.in (native gas tests): Search for an assembler in the
24205 same manner that the installed compiler will.
24206 * configure: Rebuilt.
24207 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
24209 * alias.c (find_base_term): Improve handling of addresses
24210 constructed from binary operations.
24212 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
24214 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
24216 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
24218 * function.h (cleanup_label, frame_offset): Declare.
24219 (tail_recursion_label, tail_recursion_reentry): Likewise.
24220 (arg_pointer_save_area, rtl_expr_chain): Likewise.
24221 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
24222 (tail_recursion_label, tail_recursion_reentry): Likewise.
24223 (arg_pointer_save_area, rtl_expr_chain): Likewise.
24225 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
24227 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
24229 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
24230 (MAX_OFILE_ALIGNMENT): Define.
24232 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
24234 * fixincl.c: Replace local include scheme with #includes of
24235 gansidecl.h and system.h.
24236 * procopen.c: Likewise.
24237 * server.c: Likewise.
24239 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
24241 * i386/t-dgux (EXTRA_PARTS): Add crti.o
24242 (crti.o): Add build rule and dependencies.
24243 * fixinc/fixinc.dgux: Use modified _int_varargs.h
24245 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24247 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
24248 (LIB_LINUX_SPEC): Likewise.
24249 (LIB_LINUX_SPEC): Add support for -pthread
24250 (CPP_OS_LINUX_SPEC): Likewise.
24251 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
24254 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
24256 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
24258 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
24259 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
24260 for IEEE math and CC_FCOMI.
24261 (put_jump_code): No IEEE if CC_FCOMI is set.
24263 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24265 * fold-const.c (fold_truthop): Make the field reference unsigned
24266 when converting a single bit compare.
24268 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24270 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
24272 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
24274 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
24275 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
24278 * reload.c (push_reload): Do not call remove_address_replacements
24279 when presented with identical optional reloads.
24281 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
24283 * alpha.h (MASK_FIX, TARGET_FIX): New.
24284 (MASK_*): Reorganize constants.
24285 (CPP_AM_FIX_SPEC): New.
24286 (TARGET_SWITCHES): Add FIX.
24287 (EXTRA_SPECS): Likewise.
24288 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
24289 (SECONDARY_MEMORY_NEEDED): Likewise.
24290 (REGISTER_MOVE_COST): Likewise.
24291 * alpha.c (override_options): Add FIX support. Always use
24292 ALPHA_TP_PROG for ev6.
24293 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
24294 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
24295 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
24297 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
24299 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
24300 something is a candidate for optimize_bit_field_compare.
24302 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
24304 * gcc.texi (Passes): Document branch-shortening.
24305 * invoke.texi (Debugging Options): Document the fact that `-dp'
24306 outputs length information for instructions.
24308 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
24310 * flow.c: Revert previous delta.
24312 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
24314 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
24315 FRAME_POINTER_REGNUM.
24316 (mark_set_1): Ditto.
24317 (mark_used_regs): Ditto.
24319 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
24321 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
24322 (GOT_PCREL): New macro. Define to 1 if not already defined.
24323 * arm/elf.h (GOT_PCREL): Define to 0.
24324 * arm.c (arm_finalize_pic): Take into account the setting of
24327 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
24329 * output.h (STRIP_NAME_ENCODING): Provide default definition.
24330 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
24332 * flow.c (mark_set_1): Do not record BLKmode stores as dead
24333 store elimination candidates.
24335 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
24337 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
24340 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
24342 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
24343 Add use of x-aix41-gld.
24345 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
24347 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
24348 (ASM_OUTPUT_DESTRUCTOR): Define.
24350 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
24352 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
24353 last CODE_LABEL in a loop if we have previously passed a jump
24354 to the top of the loop.
24356 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
24358 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
24359 applying Philip's patch.
24361 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
24363 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
24366 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
24368 * loop.c (strength_reduce): Grow reg_single_usage as needed.
24370 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
24372 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
24373 Also remove a useless comment.
24375 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24377 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
24379 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
24381 * collect2.c (main): Only generate import or export file and add
24382 to link arguments if non-empty. Use xmalloc not alloca.
24383 (write_{export,import}_file): Delete.
24384 (write_aix_file): New function.
24385 (locatelib): Use xmalloc not malloc.
24386 (GCC_OK_SYMBOL): Do not check type if aix64.
24388 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
24390 Based on patch by Scott Bambrough and Pat Beirne:
24391 * config/arm/arm.c (making_const_table): New variable.
24392 * config/arm/arm.h (making_const_table): Declare.
24393 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
24395 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
24396 Keep track of when we are building the constant table.
24398 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
24400 * config/arm/arm.c (arm_override_options): Fix erroneous warning
24403 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
24405 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
24408 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
24410 * tm.texi (FUNCTION_ARG): Correct description of a stack element
24413 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
24415 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
24417 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24419 * rs6000.c (output_mi_thunk): Enable full support again.
24421 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24423 * sh.h (BRANCH_COST): Define.
24425 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
24427 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
24429 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
24431 * function.c (assign_stack_local): Align stack slot propertly.
24432 (assign_outer_stack_local): Likewise.
24434 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
24436 * expr.h (lang_expand_constant): Declare.
24437 * toplev.c (lang_expand_constant): Define it.
24438 * varasm.c (output_constant): Use it.
24440 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24442 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
24443 Change function definitions to K&R style.
24445 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24447 * fixinc/fixincl.c: We must not ignore SIGCLD now.
24449 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
24451 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
24452 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
24453 (several places): omit static initialization
24454 (process): use single fd, since only the read fd is used
24455 * fixinc/gnu-regex.c: define 'const' away, if not supported
24456 * fixinc/procopen.c(several places): omit static initialization
24457 * fixinc/server.c: define 'volitile' away, if not supported
24459 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24461 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
24462 asm_fprintf and %L to generate the label name.
24463 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
24464 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
24466 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
24468 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
24469 insn for a conditional jump can not be found.
24471 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
24473 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
24474 on variables in specific sections other than .sbss and .sdata.
24476 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
24478 * stmt.c (expand_return): Call start_cleanup_deferral and
24479 end_cleanup_deferral around conditional code.
24481 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24483 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
24484 filename lists. Utilizes new "krstr" AutoGen function.
24485 * fixinc/fixincl.x: Rebuilt.
24487 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
24489 * i386.c (output_float_compare): Avoid GNU-C extensions.
24491 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
24493 * version.c: Bump to distinguish mainline tree from the
24496 See ChangeLog.1 for earlier changes.