1 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
4 CALL_INSN from the normal case.
6 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
8 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
10 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
12 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
14 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
15 TARGET_ADD_ESP_8): New macros.
16 * i386.md: Add peep2s to convert esp adjustments to push and pop
18 (pushsi_prologue, popsi_epilogue): New patterns.
20 2000-04-12 Jakub Jelinek <jakub@redhat.com>
22 * real.c (toe64): Remove stale #endif from the last change.
24 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
26 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
27 * real.c (toe64): Revert previous change.
29 2000-04-12 Jakub Jelinek <jakub@redhat.com>
31 * objc/objc-act.c: Include ggc.h.
32 (objc_tree_index, objc_global_trees): Convert most of the
33 static tree variables into a static array with previous names
35 (objc_ellipsis_node): New variable.
36 (lang_init): Call objc_act_parse_init and c_parse_init.
37 Create objc_ellipsis_node.
38 (build_selector_translation_table): Use objc_ellipsis_node instead
40 (hack_method_prototype): Likewise.
41 (get_arg_type_list): Likewise.
42 (start_method_def): Likewise.
43 (continue_method_def): Likewise.
44 (gen_method_decl): Likewise.
45 (ggc_mark_imp_list): New function.
46 (ggc_mark_hash_table): New function.
47 (objc_act_parse_init): New function.
48 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
49 * c-parse.in (c_parse_init): For objc add roots of objc specific
51 * objc/objc-parse.y: Rebuilt.
52 * objc/objc-parse.c: Rebuilt.
53 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
55 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
57 * cse.c (delete_trivially_dead_insns): Also delete insns
58 that copy a register to itself where the destination is
61 2000-04-11 Richard Henderson <rth@cygnus.com>
63 * flow.c (struct propagate_block_info): Add new_dead, new_live.
64 (propagate_block): Initialize them. Use them in parallel instead
65 of one tmp variable, ie revert much of the 0408 and 0407 functional
66 changes, but keep the structural changes.
67 (mark_set_regs): Take new_dead from propagate_block_info instead.
68 (mark_set_1, mark_set_reg): Likewise.
69 (mark_used_regs): Likewise with new_live.
70 (mark_used_reg): Likewise. Revert 0408 change.
72 2000-04-11 Nick Clifton <nickc@cygnus.com>
74 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
76 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
78 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
80 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
81 const section to output a CONSTRUCTOR based on the same conditions
84 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
86 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
87 * pa/pa-protos.h (output_call): Add additional argument indicating
88 if the call is a sibling/tail call.
89 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
90 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
91 (function_arg, function_arg_partial_nregs): Likewise
92 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
93 (emit_move_sequence): Zero extend certain constants as needed
95 (compute_zdepdi_operands, output_64bit_and): New functions.
96 (output_64bit_ior, function_arg): Likewise.
97 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
98 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
99 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
100 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
101 (output_bvb): Likewise.
102 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
103 (output_call): New argument 'sibcall'. Generate sibcall sequences
105 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
106 (ouput_arg_descriptor): Do not emit argument descriptors for
108 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
110 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
111 (FUNCTION_OK_FOR_SIBALL): Define.
112 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
113 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
114 (CPP_SPEC): Use new spec infrastructure.
115 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
116 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
117 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
118 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
119 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
120 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
121 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
122 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
123 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
124 (FUNCTION_ARG); Call out to C code.
125 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
126 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
127 (MIN_UNITS_PER_WORD): Likewise.
128 * pa/pa.md (cmpdi): New expander.
129 (scc patterns, movstrsi): Not available for TARGET_64BIT.
130 (64bit conditional arithmetic): New patterns.
131 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
132 (movsicc): Not available if modes on all the operands to not match.
133 (movdicc): New expander and associated patterns.
134 (64bit branches): New patterns.
135 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
136 (pre_ldd, post_std): New patterns.
137 (64bit addil, load low part): New patterns.
138 (special movsf constant): Not available for TARGET_64BIT.
139 (movsf, movdf expanders): Force constants into memory.
140 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
141 (64bit movdf/movdi patterns): New patterns.
142 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
144 (extendqidi2, extendhidi2, extendsidi2): Similarly.
145 (adddi3 expander): Allow "arith_operand" for second input.
146 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
147 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
148 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
149 (muldi3): New expander for TARGET_64BIT.
150 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
152 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
153 patterns for TARGET_64BIT.
154 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
155 patterns for TARGET_64BIT.
156 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
157 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
158 (sibcall_epilogue): New expander.
159 (casesi): Tweak for TARGET_64BIT.
160 (call expanders): Set & use the outgoing argument pointer. Use the
161 64bit call patterns as needed. Add additional arg to output_call.
162 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
163 (sibcall, sibcall_internal_symref): New expanders.
164 (sibcall_value, sibcall_value_internal_symref
165 (interspace_jump): Turn into an expander + matching patterns.
166 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
167 * pa/pa64-regs.h: Eliminate trigraph sequences.
168 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
170 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
172 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
173 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
174 cpp_token with cpp_ttype everywhere.
175 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
176 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
177 CPP_BUF_COL. Line and column numbers are unsigned int, not
179 * cpplex.c (cpp_buf_line_and_col): Delete.
180 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
181 'long lineno' to 'unsigned int lineno'.
182 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
184 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
186 * extend.texi: ISO C99 is not a draft anymore.
187 * invoke.texi: ISO C++ is not a draft anymore.
188 * cpp.texi: __cplusplus is required by the ISO standard.
190 * extend.texi (-fthis-is-variable): Undocument.
191 * flags.h (warn_template_debugging): Remove declaration.
192 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
193 -Wenum-clash, -Wtemplate-debugging): Undocument.
195 2000-04-10 Nick Clifton <nickc@cygnus.com>
197 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
199 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
201 (ARM_SIGN_EXTEND): Use HOST_UINT.
202 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
203 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
204 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
205 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
207 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
208 (arm_gen_constant): Use HOST_UINT.
209 (arm_canonicalize_constant): Use HOST_UINT.
210 (arm_reload_in_hi): Use HOST_UINT.
211 (arm_reload_out_hi): Use HOST_UINT.
212 (output_multi_immediate): Use HOST_UINT.
213 (int_log2): Use HOST_UINT.
214 (arm_poke_function_name): Use HOST_UINT.
215 (arm_output_epilogue): Use arm_volatile_func().
216 (output_thumb_prologue): Use arm_strip_name_encoding().
218 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
220 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
221 of sequence point problems.
223 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
225 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
227 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
229 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
231 * sbitmap.h: Whitespace changes and use upper-case macro args.
232 (struct simple_bitmap_def): All sizes now unsigned.
233 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
234 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
235 (sbitmap_vector_alloc): Parms and local vars now unsigned.
236 (sbitmap_zero): Cast bzero arg to PTR.
237 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
238 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
239 loop to make structure clearer.
240 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
241 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
242 (sbitmap_a_and_b_or_c): Likewise.
243 (sbitmap_intersection_of_succs): Minor cleanups.
244 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
245 (sbitmap_union_of_preds): Likewise.
246 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
247 (debug_sbitmap): New function.
249 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
250 * c-typeck.c (convert_for_assignment): Likewise.
252 * expmed.c (init_expmed): Don't free objects we make.
253 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
255 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
256 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
258 * gcse.c (expr_hash_table_size): Now unsigned.
259 (compute_ae_gen): Local variable `i' now unsigned.
260 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
261 (compute_transout, hoist_code): Likewise.
262 (compute_local_properties): Likewise, also hash_table_size.
263 (alloc_expr_hash_table): N_INSNS now unsigned.
264 (delete_null_pointer_checks): Mark arg F as unused.
266 * regrename.c: Minor cleanups, including chang some variables
269 2000-04-10 Neil Booth <NeilB@earthling.net>
271 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
273 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
275 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
277 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
278 __classof__, and __headof__ from the list of gnu keywords.
279 (-ansi): Remove -foperator-names from list of implied options.
280 Do not call it ANSI C++.
281 (-foperator-names): Document as -fno-operator-names.
283 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
285 * cpphash.c (timestamp): Delete.
286 (del_HASHNODE): If type is T_MCONST, free value.cpval.
287 (special_symbol): Remove unnecessary braces. Remove
288 T_VERSION. Treat T_STDC like T_CONST unless
289 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
290 when one is encountered, then convert them into T_MCONST
292 * cppinit.c (builtin_array): version_string is T_MCONST.
293 __STDC__ has a "1" in its cpval. Don't have a terminator
294 entry. Clean up which entries are dumped.
295 (initialize_builtins): Only __STDC__ gets the special
296 -traditional treatment. Count the length of builtin_array.
297 Render version_string here.
298 * cpphash.h: Remove T_VERSION. Add T_MCONST.
299 * cpplib.h (struct cpp_reader): Remove timebuf.
301 2000-04-09 Richard Henderson <rth@cygnus.com>
303 * genrecog.c (pred): Update comparison_operator for the unordered
306 * config/i386/i386.c (no_comparison_operator): Disallow unordered
308 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
309 (uno_comparison_operator): New.
310 (put_condition_code): Handle UNORDERED/ORDERED.
311 (unsigned_comparison): Likewise.
312 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
313 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
314 (ix86_expand_fp_compare): Use them. Take scratch as argument,
315 update all callers. Handle all 8 unordered operators.
316 (ix86_expand_setcc): Lose the unordered argument, update all callers.
317 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
318 * config/i386/i386.h (PREDICATE_CODES): Update.
319 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
320 (ix86_expand_branch, ix86_expand_setcc): Update.
321 * config/i386/i386.md (sunordered, sordered): New.
322 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
323 (bunordered, bordered): New.
324 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
325 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
326 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
328 2000-04-09 Philip Blundell <philb@gnu.org>
330 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
332 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
334 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
335 fix_truncxfhi2): New patterns.
336 * i386.c (output_fix_trunc): Handle converting to HImode.
338 2000-04-08 Alex Samuel <samuel@codesourcery.com>
340 * ssa.c (convert_to_ssa): Eliminate dead code when calling
342 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
343 (for_each_successor_phi): Change parameter to basic_block.
344 (coalesce_regs_in_successor_phi_nodes): Likewise.
345 (coalesce_regs_in_copies): Likewise.
346 (compute_coalesced_reg_partition): Use basic_block instead of index.
347 * rtl.h (convert_to_ssa): Delete.
348 (convert_from_ssa): Likewise.
349 (successor_phi_fn): Likewise.
350 (for_each_successor_phi): Likewise.
351 (in_ssa_form): Likewise.
352 * basic-block.h (convert_to_ssa): Moved from rtl.h.
353 (convert_from_ssa): Likewise.
354 (successor_phi_fn): Likewise.
355 (in_ssa_form): Likewise.
356 (for_each_successor_phi): Likewise. Change parameter to basic_block.
357 * flow.c (calculate_global_regs_live): Pass a basic_block to
358 for_each_successor_phi.
360 2000-04-08 Richard Henderson <rth@cygnus.com>
362 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
363 was modified in the current insn.
365 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
367 * arm/thumb.md: Delete.
368 * arm/thumb-protos.h: Delete.
370 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
372 Merge changes from merged-arm-thumb-backend-branch onto trunk.
374 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
376 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
379 * arm.md (nop): Use the standard RTL expression. Don't code as a
381 (*arm_nop, *thumb_nop): Delete.
383 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
384 constants. Use casts instead.
385 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
386 output_multi_immediate, arm_poke_function_name): Likewise.
387 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
388 MASK_RETURN_ADDDR): Likewise.
390 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
392 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
395 * arm.md (eh_epilogue): New function.
396 * arm.h (struct machine_function): Move to here ...
397 * arm.c: ... from here.
398 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
399 (thumb_exit): Extra parameter eh_ofs. All callers changed.
400 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
402 2000-03-30 Nick Clifton <nickc@cygnus.com>
404 * config/arm/semi.h (ASM_SPEC): Restore definition.
405 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
407 * config/arm/elf.h (ASM_SPEC): Restore definition.
408 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
410 * config/arm/arm.h (ASM_SPEC): Remove definition.
411 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
413 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
415 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
417 2000-03-24 Nick Clifton <nickc@cygnus.com>
419 Various formating tidyups, elimination of compile time
420 warnings and synchronisation with internal sources:
422 * config/arm/arm-protos.h (assemble_align): Add prototype.
423 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
424 (gen_comapre_reg): Rename to arm_gen_compare_reg.
425 (arm_return_addr_rtx): Rename to arm_return_addr.
427 * config/arm/arm.c: Include except.h.
428 Define shorter typenames for strict minipool_node and struct
430 (arm_return_in_memory): For WinCE return all structures <= 32 bits
432 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
433 (gen_comapre_reg): Rename to arm_gen_compare_reg.
435 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
437 (ASM_SPEC): Define if not already defined.
438 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
440 * config/arm/arm.md: Rename references to gen_rotated_half_load to
441 arm_gen_rotated_half_load, and references to gen_comapre_reg to
443 (indirect_jump): Only accept register operands.
444 (load_indirect_jump): Keep this pattern since combine can generate
447 * config/arm/coff.h: Include aout.h.
448 (MULTILIB_DEFAULTS): Only define if not already defined.
450 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
451 into arm.h (so that COFF ports can support thumb based aliases).
452 (ASM_SPEC): Move definition into arm.h
454 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
456 (ASM_SPEC): Move definition to arm.h
458 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
460 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
461 for entries in the .bss section
463 2000-03-23 Nick Clifton <nickc@cygnus.com>
465 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
466 to thumb_far_jump_used_p.
468 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
469 single integer parameter.
471 * config/arm/arm.c (struct machine_function): Add two new
472 fields, 'far_jump_used' and 'arg_pointer_live'.
473 (thumb_far_jump_used_p): Once the decision has been made that
474 far jumps might be used, always return true.
475 If being called from the initial elimination offset macro then
476 do not bother to perform the test if the arg pointer is not
478 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
479 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
481 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
483 * arm.c (output_return_instruction): Handle more cases where we can
484 return from a function with an ldr instruction.
485 (arm_output_epilogue): Likewise.
487 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
488 if we need to push a large stack frame and there are no callee-saved
491 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
492 in ARM code if the frame pointer has been eliminated.
494 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
495 unspec_volatile arguments to avoid duplicates.
496 (consttable_1, consttable_2): Fixes for big-endian mode.
498 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
501 Re-write constant pool code.
502 * arm.c (minipool_node, minipool_fix): New types.
503 (minifix): Delete type.
504 (arm_add_minipool_constant): Delete.
505 (arm_compute_minipool_offsets, arm_find_barrier,
506 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
507 (get_jump_table_size): Now returns HOST_WIDE_INT.
508 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
510 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
511 (assign_minipool_offsets, arm_print_value): Likewise.
512 (dump_minipool): Rewrite.
513 (arm_barrier_cost): New function.
514 (create_fix_barrier): New function.
515 (push_minipool_barrier): New function.
516 (push_minipool_fix): Record additional information about the fixup
518 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
519 check the mode of what needs fixing.
520 (arm_reorg): Rewrite.
522 2000-03-08 Nick Clifton <nickc@cygnus.com>
524 * config/arm/arm.md (indirect_jump): Force constant addresses into
527 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
529 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
531 2000-02-24 Nick Clifton <nickc@cygnus.com>
533 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
534 adjust is word aligned.
535 (thumb_expand_epilogue): Make sure that stack adjust is word
538 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
540 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
542 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
543 pointer relative addresses.
545 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
547 * arm.c (find_barrier): Find the last barrier within the allowed
550 2000-02-09 Nick Clifton <nickc@cygnus.com>
552 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
554 2000-02-09 Nick Clifton <nickc@cygnus.com>
556 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
557 ARM_FUNCTION_PROFILER.
559 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
560 ARM_FUNCTION_PROFILER.
562 * config/arm/linux-oldld.h: Imported from mainline sources.
564 2000-02-07 Nick Clifton <nickc@cygnus.com>
566 * config/arm/lib1funcs.asm: Merge in thumb functions from
569 * config/arm/lib1thumb.asm: Delete.
571 2000-02-04 Nick Clifton <nickc@cygnus.com>
573 * config/arm/arm.c: Sychronised with current Red hat local
575 * config/arm/arm.h: Ditto.
576 * config/arm/arm-protos.h: Ditto.
578 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
580 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
582 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
585 2000-02-02 Nick Clifton <nickc@cygnus.com>
587 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
589 * config/arm/arm.md (epilogue): Fix rtl checking abort because
590 (return) was emited using an emit_insn() call.
592 2000-01-31 Nick Clifton <nickc@cygnus.com>
594 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
596 (thumb_exit): Move frame pointer back into hard frame pointer
597 register if backtracing is being used.
599 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
601 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
604 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
606 * config/arm/arm.md (neg_pool_offset): Provide default for new
608 (arm_movsi_insn): Add neg_pool_offset attribute.
609 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
610 rtx for the insn that starts the scan and an unsigned long for its
611 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
612 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
613 instructions in *PINSERTED.
614 (struct minipool_fixup): Add MIN_ADDRESS elt.
615 (sort_fixups): Compute it.
616 (arm_reorg): Changes to support inserting pools before the insn to be
619 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
621 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
622 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
623 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
625 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
627 * config/arm/semi.h (TARGET_VERSION): Do not define if already
629 (TARGET_DEFAULT): Do not define if already defined.
631 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
633 * config/arm/arm.md (anddi3): Allow disjoint source operands.
634 (iordi3): Allow disjoint source operands.
635 (xordi3): Allow disjoint source operands.
636 (negdi2): Permit construction for ARM and Thumb.
637 (arm_negdi2): Renamed version of old negdi2 pattern.
638 (thumb_negdi2): New pattern: Only permit non-overlapping
639 source and destination.
641 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
643 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
644 scratch low register so that it will not be deleted.
646 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
648 * config/arm/pe.h (ARM_PE): Define.
650 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
651 interfacearm attribute if this is a PE toolchain.
652 (output_return_instruction): Do not emit anything if the function
653 has the naked attribute set.
654 (is_called_in_ARM_mode): If the function has the interfacearm
655 attribute then return true.
656 (thumb_expand_prologue): Do not generate a prologue for naked
658 (thumb_expand_epilogue): Do not generate an epilogie for a naked
660 (output_thumb_prologue): Do not bother if the function is naked.
661 Strip PE encoding from function name before emitting.
663 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
665 * arm.md (pic_load_addr): Fix constraints.
667 * arm.md (casesi_insn): Fix mis-applied patch.
669 * arm.md ("core" function unit): Add rules for single- and
671 (All TARGET_THUMB patterns): Add "type" attribute information
673 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
674 the following insn is a CALL.
676 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
678 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
679 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
680 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
682 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
684 * config/arm/linux-gas.h: oops - this file was missed out when the
685 branch was created...
687 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
689 * thumb.c: Deleted. Move contents to ...
691 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
693 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
696 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
697 declare a prototype for asm_output_align();
699 * arm.c (thumb_condition_code): Delete.
700 (arm_print_operand): Always use arm_condition_code array.
702 * arm.c (thumb_return_addr_rtx): Delete.
703 (arm_save_machine_status, arm_restore_machine_status): Delete.
704 (arm_init_machine_status, arm_mark_machine_status): New functions.
705 (arm_init_expanders): Update accordingly.
706 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
707 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
708 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
710 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
712 * configure.in : Fix arm-*-aout target to use new t-arm-aout
714 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
717 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
719 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
720 stack backtrace structure.
722 * config/arm/arm-protos.h: Add prototypes for functions defined in
725 * config/arm/arm.c (arm_override_options): Fix selection of
726 attributes of default processor.
728 * config/arm/coff.h: Delete needless #include.
730 * config/arm/pe.c: Delete unused code.
732 * config/arm/pe.h (CPP_DEFINES): Delete
733 (SUBTARGET_CPP_SPEC): Define.
734 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
736 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
738 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
740 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
742 (CAN_DEBUG_WITHOUT_FP): Define.
743 (FIXED_REGISTERS): Make r11 call-saved.
744 (CALL_USED_REGISTERS): Likewise.
745 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
746 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
747 frame-pointer is required.
748 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
749 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
750 if the target normally needs a stack frame in non-leaf functions.
751 (use_return_insn): Correct logic for determining when a return
752 instruction can be used.
753 (output_return_instruction): Handle the frame-pointer register as
754 a normal register when not TARGET_APCS_FRAME.
755 (arm_output_prologue): Likewise.
756 (arm_output_epilogue): Likewise.
757 (output_func_epilogue): Likewise.
758 (arm_expand_prologue): Likewise.
759 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
761 * arm.c (use_return_insn): No need to check floating point regs if
763 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
764 the code of value stored in the minipool array.
765 (arm_add_minipool_constant): Likewise.
767 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
769 * basic-block.h (conflict_graph_enum_fn): K&R fix.
771 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
773 * tree.c (tree_expr_nonnegative_p): New function.
775 * tree.h (tree_expr_nonnegative_p): Declare.
777 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
778 elide some sign_compare warnings.
779 (build_conditional_expr): Likewise.
781 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
783 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
785 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
786 * i386.c (print_operand): Use the proper suffix for a 387 HImode
787 operand. Abort if a 387 operand has an unsupported size.
789 2000-04-08 Neil Booth <NeilB@earthling.net>
791 * cppexp.c (parse_charconst): Null does not end character
793 * cppinit.c (ISTABLE): Null character handled as whitespace.
794 * cpplex.c (null_warning): new function.
795 (skip_string): Emit warning if nulls encountered.
796 (_cpp_skip_hspace): Emit warning if nulls encountered.
797 (_cpp_lex_token): Emit warning if nulls encountered. Drop
801 2000-04-07 Richard Henderson <rth@cygnus.com>
803 * flow.c (loop_depth): Remove.
804 (reg_next_use, cc0_live, mem_set_list): Replace with ...
805 (struct propagate_block_info): New.
806 (life_analysis): Don't allocate reg_next_use.
807 (propagate_block_delete_insn): Break out of propagate_block.
808 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
809 (propagate_block_delete_libcall): Likewise.
810 (propagate_block): Create a propagate_block_info struct to pass
811 to subroutines. Allocate one not two temporary regsets. Don't
812 clobber memory for const calls. Look for clobbers in
813 CALL_INSN_FUNCTION_USAGE.
814 (mark_set_regs): Recognize COND_EXEC.
815 (mark_set_reg): Break out of mark_set_1.
816 (mark_used_reg): Break out of mark_used_regs.
817 (mark_used_regs): Recognize COND_EXEC.
818 (insn_dead_p): Use propagate_block_info struct.
819 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
820 (find_auto_inc, try_pre_increment_1): Likewise.
821 (print_rtl_with_bb): Dump regs live at end too.
822 (count_reg_sets_1): Pass in loop_depth.
823 (count_reg_sets, count_reg_references): Likewise.
824 (recompute_reg_usage): Provide it.
826 2000-04-07 Richard Henderson <rth@cygnus.com>
828 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
831 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
833 * cpplib.c (do_elif): Skip the rest of the line if we're
834 not going to bother evaluating it.
835 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
836 to avoid pointless calls to the lexer.
838 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
840 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
842 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
844 * calls.c (expand_call): emit_queue if we're trying a sibcall.
846 2000-04-07 Jakub Jelinek <jakub@redhat.com>
848 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
850 2000-04-06 Geoff Keating <geoffk@cygnus.com>
852 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
853 crtend so they can be multilibbed.
854 (STAGESTUFF): Remove s-crt and s-crtS.
856 2000-04-07 Richard Henderson <rth@cygnus.com>
858 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
859 if we discover we need a pseudo and no_new_pseudos is true.
860 * config/alpha/alpha.md (ne:DI insn): New.
861 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
863 2000-04-07 Richard Henderson <rth@cygnus.com>
865 * rtl.def (COND_EXEC): New.
866 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
867 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
869 * genconfig.c (have_cond_arith_flag): Remove.
870 (have_cond_exec_flag): New.
871 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
872 (main): Print HAVE_conditional_execution.
874 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
875 (sched_analyze_insn, print_pattern): Likewise.
876 * reload.c (find_equiv_reg): Likewise.
877 * rtlanal.c (reg_referenced_p): Likewise.
878 (note_stores, dead_or_set_regno_p): Likewise.
879 (reg_overlap_mentioned_p): Rewrite to use a switch.
881 * ggc.h (struct rtx_def): Forward declare.
883 * print-rtl.c (debug_rtx_range): New.
884 * rtl.h (debug_rtx_range): Declare.
886 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
888 * gcse.c (gcse_main): Don't rebuild the CFG here.
889 (delete_null_pointer_checks): Likewise.
890 * ssa.c (convert_to_ssa): Likewise.
891 * toplev.c (rest_of_compilation): Do it here instead. Combine
892 sequential calls to TIMEVAR. Consistently use `insns' instead of
893 `get_insns()'. Always split insns after reload when optimizing.
895 * basic-block.h (merge_blocks_nomove): Declare.
896 (tidy_fallthru_edge): Declare.
897 * flow.c (merge_blocks_nomove): Document as merging into previous
898 blocks. Remove cruft from between blocks; remove all edges out of A.
899 (tidy_fallthru_edge): Export.
901 2000-04-06 Alex Samuel <samuel@codesourcery.com>
903 * ssa.c (compute_conservative_reg_partition): Declare with
905 * toplev.c (clean_dump_file): Remove previously-deleted function
906 inadvertantly merged back in.
907 * conflict.c (conflict_graph_add): Use a single call to
908 htab_find_slot to look up and insert.
910 2000-04-06 Richard Henderson <rth@cygnus.com>
912 * genrecog.c (*): Rename _last_insn to last_insn.
913 (make_insn_sequence): Set the position of the peephole2 C test
914 to be at the last insn.
916 2000-04-06 Richard Henderson <rth@cygnus.com>
918 * flow.c (compute_flow_dominators): Free worklist.
920 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
922 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
924 2000-04-06 Alex Samuel <samuel@codesourcery.com>
926 * rtl.h (INSN_P): New macro.
927 (successor_phi_fn): New typedef.
928 (for_each_successor_phi): New prototype.
929 (in_ssa_form): New variable.
930 (PHI_NODE_P): Likewise.
931 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
932 phi nodes in successors.
933 (mark_used_regs): Add PHI case.
934 (set_phi_alternative_reg): New function.
935 (life_analysis): Assert that dead code elimination is not selected
937 * toplev.c (to_ssa_time): New variable.
938 (from_ssa_time): Likewise.
939 (compile_file): Zero to_ssa_time and from_ssa_time.
940 Print time to convert to and from SSA.
941 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
942 (print_time): Compute percent fraction as integer.
943 * ssa.c (PHI_NODE_P): Moved to rtl.h.
944 (convert_to_ssa): Check if we're already in SSA.
945 Don't eliminate dead code in life_analysis.
946 Rerun flow and life analysis at bottom.
947 (eliminate_phi): Use canonical regnos when adding nodes.
948 (mark_reg_in_phi): New function.
949 (mark_phi_and_copy_regs): Likewise.
950 (convert_from_ssa): Rerun life analysis at top.
951 Use coalesced partition.
952 Check for removing a phi node at the end of the block.
953 (compute_coalesced_reg_partition): New function.
954 (coalesce_regs_in_copies): Likewise.
955 (coalesce_reg_in_phi): Likewise.
956 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
957 (for_each_successor_phi): Likewise.
958 (rename_context): New struct.
959 (rename_block): Use a rename_context with rename_insn_1. When
960 renaming sets of a subreg, emit a copy of the entire reg first.
961 (rename_insn_1): Treat data as a rename_context *. Save current
963 (rename_set_data): Add field set_insn.
964 * Makefile.in (HASHTAB_H): Move up in file.
965 (OBSTACK_H): New macro.
966 (collect2.o): Use OBSTACK_H in dependencies.
967 (sdbout.o): Likewise.
968 (emit-rtl.o): Likewise.
969 (simplify-rtx.o): Likewise.
970 (fix-header.o): Likewise.
971 (OBJS): Add conflict.o.
972 (conflict.o): New rule.
973 * basic-block.h: Include partition.h.
974 (conflict_graph): New typedef.
975 (conflict_graph_enum_fn): Likewise.
976 (conflict_graph_new): New prototype.
977 (conflict_graph_delete): Likewise.
978 (conflict_graph_add): Likewise.
979 (conflict_graph_conflict_p): Likewise.
980 (conflict_graph_enum): Likewise.
981 (conflict_graph_merge_regs): Likewise.
982 (conflict_graph_print): Likewise.
983 (conflict_graph_compute): Likewise.
984 * conflict.c: New file.
986 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
988 * tlink.c (read_repo_files): Don't look for .rpo info for
991 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
993 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
995 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
997 * config/sh/lib1funcs.asm (___udivsi3_i4):
998 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
999 only depends on FMOVD_WORKS.
1001 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1003 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
1004 make double constant 8-byte aligned.
1006 2000-04-06 Jakub Jelinek <jakub@redhat.com>
1008 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
1009 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
1010 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
1011 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
1012 Accept storing GENERAL_REGS into offsetable memory.
1013 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
1014 building a TFmode constant other than 0.0L into GENERAL_REGS.
1016 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
1018 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
1020 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
1022 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
1023 (macro_cleanup): No need to cast pbuf->macro.
1024 (collect_expansion): Use _cpp_get_define_token. Goto done if
1025 it returns VSPACE. Remove check for trailing space after
1027 (_cpp_create_definition): Don't diddle flags here. Return
1029 (unsafe_chars): Handle c1 being EOF.
1030 (push_macro_expansion): Use unsafe_chars for both accidental-paste
1031 checks. Don't push the buffer till after we're done with
1033 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
1034 (PEEKN, FORWARD, GETC, PEEKC): Use them.
1035 (cpp_push_buffer): Don't set new->alimit. Set new->mark
1037 (_cpp_parse_assertion): Don't NUL terminate.
1038 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
1039 hspace before calling _cpp_parse_assertion. Remove all sets
1040 of only_seen_white. Treat '\f' as hspace. Don't do anything
1041 special with '\n' here.
1042 (maybe_macroexpand): Handle T_EMPTY hash entries without
1043 pushing a buffer at all.
1044 (cpp_get_token): Handle clearing only_seen_white here. Handle
1045 incrementing the line number here. Clear
1046 potential_control_macro as well as only_seen_white, if
1048 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
1049 (_cpp_get_define_token): New function, basically like
1050 _cpp_get_directive_token was but doesn't eat horizontal space.
1051 Don't do anything with only_seen_white here.
1052 (_cpp_get_directive_token): Just call _cpp_get_define_token
1053 repeatedly till it returns non-hspace.
1055 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
1056 (conditional_skip, skip_if_group): Return int.
1057 (DIRECTIVE_TABLE): Change origin of all conditional directives
1059 (TRAD_DIRECT_P): New macro.
1060 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
1061 an error for a bogus directive, unless -lang-asm. Use
1062 TRAD_DIRECT_P. Loop calling handler functions till one returns
1064 (get_macro_name): Don't diddle flags here.
1065 (do_define): Diddle flags here. Use _cpp_get_directive_token.
1066 Create T_EMPTY nodes for #define macro /* nothing */.
1067 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
1068 Use hp->name when calling pass_thru_directive.
1069 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
1070 Return the result of conditional_skip and/or skip_if_group.
1071 Don't call _cpp_output_line_command.
1072 (consider_directive_while_skipping): Use _cpp_get_directive_token.
1073 Issue -Wtraditional warnings as appropriate. Don't complain
1074 about unrecognized directives. If we are to stop skipping,
1075 return the number of the directive that ended the skip.
1076 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
1077 expansion and line commands while skipping. Return the result
1078 of consider_directive_while_skipping, if nonzero.
1079 (do_endif): Just set potential_control_macro here.
1080 (validate_else): Use _cpp_get_directive_token.
1081 (do_assert, do_unassert): Don't save pointers into the
1082 token_buffer across calls to the lexer. Use
1083 _cpp_get_directive_token.
1085 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
1086 pointer, not an offset. Replace 'data', which was a generic
1087 pointer, with 'macro', which points to a struct hashnode.
1088 (cpp_reader): Add 'potential_control_macro' pointer.
1089 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
1090 (CPP_BUF_GET, CPP_FORWARD): Delete.
1091 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
1092 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
1093 ACTIVE_MARK_P): Update.
1094 (_cpp_get_define_token): New internal function.
1095 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
1097 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
1099 * configure.in: And here.
1100 * configure: Regenerate.
1101 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
1102 --enable-libstdcxx-v3 is passed at configure time.
1103 * config.h.in: Regenerate.
1105 2000-04-05 Mark Mitchell <mark@codesourcery.com>
1107 * final.c (final): Use xcalloc to allocate line_note_exists.
1108 * function.c (free_after_compilation): Free the temp_slots.
1109 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
1110 (combine_temp_slot): Free temp_slots when they get combined.
1111 (purge_addressof): Fix typo in comment.
1112 * stmt.c (mark_goto_fixup): Mark the fixup itself.
1113 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
1115 * ggc.h: Include varray.h.
1116 (ggc_pending_trees): Declare.
1117 (ggc_mark_tree_children): Remove declaration.
1118 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
1119 * ggc-common.c (ggc_pending_trees): New variable.
1120 (ggc_mark_roots): Call ggc_mark_trees.
1121 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
1122 the ggc_pending_trees.
1123 * Makefile.in (GGC_H): New variable. Use it throughout in place
1126 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1128 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
1131 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1133 * sh.c (sh_insn_length_adjustment): New function.
1134 * sh-protos.h (sh_insn_length_adjustment): Declare.
1135 * sh.h (ADJUST_INSN_LENGTH): Use it.
1137 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
1139 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
1140 from the insn where REG_RETVAL is added.
1141 (emit_no_conflict_block): Ditto.
1143 * md.texi (Standard Names): Clarify when movX is needed.
1145 * combine.c (simplify_comparison) [MINUS]: Do not replace
1146 all (op (minus A B) 0) with (op A B).
1148 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
1149 J"orn Rennecke <amylaar@cygnus.co.uk>
1151 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
1152 (block_lump_real): Likewise.
1154 2000-04-05 Chris Demetriou <cgd@netbsd.org>
1156 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
1157 remaining non-zero debugging masks.
1159 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
1161 * basic-block.h (verify_flow_info): Declare.
1162 (flow_loop_outside_edge_p): Declare.
1163 * flow.c (verify_flow_info): Remove declaration.
1164 (clear_log_links, flow_loop_outside_edge_p): Likewise.
1166 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
1168 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
1171 2000-04-05 Jakub Jelinek <jakub@redhat.com>
1173 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
1174 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
1175 seqdi_zero_trunc+1): Allow splits only if registers are
1178 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
1180 * acconfig.h: Add HAVE_GAS_HIDDEN.
1181 * config.in: Regenerated.
1182 * configure.in: Add test for .hidden pseudo-op in gas.
1183 * configure: Regenerated.
1184 * crtstuff.c: Include auto-host.h.
1185 Emit additional .hidden pseudo-op for __dso_handle if the
1186 assembler knows about it.
1188 2000-04-04 Philippe De Muyter <phdm@macqel.be>
1190 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
1191 before freeing argnames.
1192 * cpplib.c (do_ifndef): Cast return value of xstrdup.
1194 2000-04-05 Michael Meissner <meissner@redhat.com>
1196 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
1197 Walton <jonboy@gordian.com> to make memory references with update
1198 work wtih -mregnames.
1200 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1202 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
1203 (regrename_optimize): Rename variables `def_uses' and
1204 `ext_basic_blocks' to avoid conflicts with similarly named
1205 typedefs in traditional C.
1207 * calls.c (initialize_argument_information): Fix typo in previous
1210 2000-04-04 Richard Henderson <rth@cygnus.com>
1212 * regrename.c (consider_available): Test fixed_regs not
1213 PIC_OFFSET_TABLE_REGNUM.
1215 2000-04-04 Geoff Keating <geoffk@cygnus.com>
1217 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
1219 (CRTSTUFF_T_CFLAGS_S): Delete definition.
1220 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
1221 (ENDFILE_LINUX_SPEC): Always use crtend.
1222 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
1223 (powerpc-*-linux-gnu): Likewise.
1224 * configure: Regenerate.
1226 * config/rs6000/eabi.h: Don't include sysv4.h.
1227 (MULTILIB_DEFAULTS): Don't define.
1228 * config/rs6000/eabiaix.h: Don't include eabi.h.
1229 * config/rs6000/eabile.h: Delete.
1230 * config/rs6000/eabilesim.h: Delete.
1231 * config/rs6000/eabisim.h: Don't include eabi.h.
1232 * config/rs6000/linux.h: Don't include sysv4.h.
1233 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
1234 (MULTILIB_DEFAULTS): Don't redefine.
1235 * config/rs6000/rtems.h: Don't include eabi.h.
1236 * config/rs6000/sol2.h: Don't include sysv4le.h.
1237 * config/rs6000/sysv4le.h: Don't include sysv4.h.
1238 * config/rs6000/t-ppc: Delete.
1239 * config/rs6000/t-ppcgas: Correct comment.
1240 * config/rs6000/t-ppcos: Correct comment. Don't build
1241 multilibs for -fPIC, rather use -fPIC -mstrict-align
1243 * config/rs6000/t-ppc: Delete.
1244 * config/rs6000/vxppc.h: Don't include sysv4.h.
1245 * config/rs6000/vxppcle.h: Delete.
1246 * configure.in: Use multiple header files for p2pc ELF targets
1247 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
1248 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
1249 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
1250 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
1251 always available for these platforms.
1253 2000-04-04 Richard Henderson <rth@cygnus.com>
1255 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
1257 2000-04-04 Stan Cox <scox@cygnus.com>
1259 * Makefile.in: Add rules for regrename.o
1260 * regrename.c: New file.
1261 * rtl.h (regrename_optimize): Add prototype.
1262 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
1263 (compile_file, decode_d_option): Add support for -frename-registers.
1264 (rest_of_compilation): Call regrename_optimize.
1265 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
1268 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1270 * Makefile (gccbug): New target.
1271 (doc): Depend on it.
1272 * gcc.texi (Bugs): Link subnodes.
1274 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
1275 Document severities, priorities, and classes in bug form.
1277 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
1279 * cpplex.c (trigraph_map, speccase): Combine into single
1281 (NORMAL, NONTRI): New macros.
1282 (_cpp_read_and_prescan): Change to use unified table. Use
1283 is_hspace to test for whitespace.
1285 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
1286 definition that doesn't provoke the "empty body in an
1287 if-statement" warning.
1289 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
1291 * builtins.c (expand_builtin_strlen): Force the source to
1292 be a memory address.
1294 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1296 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
1298 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1300 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
1301 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
1302 (ECF_IS_CONST): Rename to ECF_CONST.
1303 (special_function_p): Make static, change interface.
1304 (flags_from_decl_or_type, try_to_integrate): Break out from ...
1305 (expand_call) ... here; convert number of variables to flags.
1306 (emit_library_call_vlue_1): Likewise.
1307 (setjmp_call_p): New function.
1308 (initialize_argument_information): Accepts flags as argument;
1310 (precompute_arguments): Likewise.
1311 * tree.h (special_function_p): Remove.
1312 (setjmp_call_p): Add prototype.
1314 2000-04-04 Jakub Jelinek <jakub@redhat.com>
1316 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
1317 so that addresses are offsetable by up to 16 bytes.
1318 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
1319 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
1322 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
1323 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
1324 (movsf): Don't force any constant to memory if target is integer
1326 Move fp_zero_operand check below the const0_rtx check.
1327 (movtf): Likewise. Also allow fp_zero_operand for stores into
1329 (movdf): Likewise. Also allow fp_zero_operand for stores into
1330 memory and into integer hard registers.
1331 (clear_df, clear_dfp, movdf_const_intreg_sp32,
1332 movdf_const_intreg_sp64): Remove.
1333 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
1335 (movdf_no_e_insn_v9_sp32): New pattern.
1336 (movdf_insn_v9only): Remove.
1337 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
1338 (movdf_insn_sp64): Remove.
1339 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
1340 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
1341 (following splits): Rewrite conditions. Add two new splits
1342 for storing 0.0 into memory and registers.
1343 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
1344 (movtf_insn_sp32): Redo constraints and conditions.
1345 (movtf_insn_vis_sp32): New pattern.
1346 (movtf_no_e_insn_sp32): Redo constraints and conditions.
1347 (movtf_insn_hq_sp64): Likewise.
1348 (movtf_insn_hq_vis_sp64): New pattern.
1349 (movtf_insn_sp64): Redo constraints and conditions.
1350 (movtf_insn_vis_sp64): New pattern.
1351 (movtf_no_e_insn_sp64): Redo constraints and conditions.
1352 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
1354 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
1355 -mvis or -m64 to take down the number of various reload patterns.
1357 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
1359 * pa/pa-64.h: New file.
1360 * pa/pa64-regs.h: New file.
1361 * pa/pa64-start.h: New file.
1362 * pa/t-pa64: New file.
1363 * pa/xm-pa64hpux.h: New file.
1365 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1367 * sparc.c (output_restore_regs): Prototype.
1368 (sparc_emit_float_lib_cmp): Constification.
1370 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
1372 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
1375 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
1376 (get_value_hash, hash_rtx): Likewise.
1378 * ssa.c (compute_conservative_reg_partition): Prototype.
1380 * tree.c (mark_hash_entry): Prototype.
1382 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
1384 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
1385 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
1386 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
1388 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
1389 * objc/lang-specs.h: Likewise.
1391 2000-04-03 Neil Booth <NeilB@earthling.net>
1393 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
1394 and SYNTAX_ERROR2. Replace `' in messages with ''.
1395 (op_to_str): Make re-entrant.
1396 (_cpp_parse_expr): Implement new error macros. Use | rather
1397 than || to logically or 2 boolean integers. Simply expression
1398 checking we have a left operand iff needed.
1400 2000-04-03 Nick Clifton <nickc@cygnus.com>
1402 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
1404 2000-04-03 Philip Blundell <philb@gnu.org>
1406 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
1408 2000-04-03 Felix Lee <flee@cygnus.com>
1410 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
1411 (run_shell): Use it.
1413 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
1415 * Makefile.in (stmp-int-hdrs): Make include subdir here...
1416 (stmp-fixproto): ...rather than here.
1418 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
1420 * pa.c (print_operand): Compute 'base' only inside the code paths
1423 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
1425 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
1428 2000-04-03 Philipp Thomas <pthomas@suse.de>
1430 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
1432 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
1434 * Makefile.in (alias.o): Depend on $(TREE_H).
1436 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
1438 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
1440 * cpplib.c (_cpp_handle_directive): Improve warnings for
1441 traditional C and indented directives.
1443 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
1444 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
1445 fixinc/inclhack.def: Indent the # of #include_next one space.
1446 * cp/rtti.c: Un-indent #if and #endif.
1448 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
1449 syntax error, but an error has already been printed.
1450 * cpplex.c (_cpp_parse_assertion): Give a more specific error
1451 message when called with nothing remaining on the line.
1452 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
1453 OTHER token, not an ASSERTION.
1454 * cpplib.c (do_assert): When we create a 'base' node, clear
1455 its aschain pointer.
1457 2000-04-02 Neil Booth <NeilB@earthling.net>
1459 * cppexp.c: New typedef op_t. struct operation and struct
1460 token updated to use it.
1461 (op_to_str): New function.
1462 (_cpp_parse_expr): Error messages modified to use op_to_str.
1464 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1466 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
1467 before checking MUST_PASS_IN_STACK.
1469 2000-04-02 Neil Booth <NeilB@earthling.net>
1471 * cppexp.c: New FINISHED dummy token. Combine operator initial
1472 flags and initial priority into a single constant. New
1473 EQUALITY macro. New operator flag SHORT_CIRCUIT.
1474 (_parse_cpp_expr): Implement new constants. Take left operand
1475 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
1476 parse indicated by reducing FINISHED token. Remove new lines
1477 from cpp_error messages.
1479 2000-04-01 Mark Mitchell <mark@codesourcery.com>
1481 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
1484 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
1486 * cpplib.c: Include symcat.h. Add 'origin' field to struct
1487 directive. Add origin values to DIRECTIVE_TABLE. Generate
1488 the strings and function names on the fly. Take the #sccs
1489 entry out of the table if SCCS_DIRECTIVE is not defined.
1490 (_cpp_handle_directive): Decide if the # was at the beginning
1491 of the line here. Issue -pedantic warnings for extended
1492 directives here. Warn about K+R directives with the #
1493 indented, and C89/extended directives with the # not indented,
1495 (do_import, do_include_next, do_warning, do_ident, do_sccs,
1496 do_assert, do_unassert): Don't issue pedantic warning here.
1498 * cpphash.h: Add CPP_WTRADITIONAL macro.
1499 * cpplib.h (struct cpp_options): Rename warn_stringify to
1500 warn_traditional; update comments.
1501 * cppinit.c (handle_option): Set warn_traditional not
1503 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
1504 CPP_WTRADITIONAL (pfile).
1505 * cpplex.c (_cpp_lex_token): Don't decide if directives should
1506 be ignored in -traditional mode here.
1508 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
1509 to initialize speccase[] and trigraph_map[]. Delete all
1510 references to pfile->input_speccase. Always treat '?' as a
1511 special character. Remove table-initialization code from
1512 _cpp_init_input_buffer.
1514 * cpplib.h (struct cpp_reader): Remove input_speccase field.
1515 * cppinit.c (cpp_cleanup): Don't free input_speccase.
1517 2000-04-01 Richard Henderson <rth@cygnus.com>
1519 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
1520 (mostlyclean): Likewise.
1522 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
1523 (struct dump_file_info, enum dump_file_index, dump_file): New.
1524 (open_dump_file): Take a dump_file_index not a suffix, and a decl
1525 not a string. Clean out file if we havn't yet done so. Do nothing
1526 if the dump isn't enabled.
1527 (close_dump_file): Do nothing if the dump isn't open. Dump
1528 graph data if requested.
1529 (dump_rtl, clean_dump_file): Remove.
1530 (compile_file): Don't clean the dump files. Only finalize .bp dump
1531 if flag_test_coverage or flag_branch_probabilities. Only finalize
1532 .combine dump if optimizing. Iterate over dump_file to finalize the
1534 (rest_of_compilation): Update for open_dump_file/close_dump_file.
1535 Convert all uses of dump_rtl.
1536 (decode_d_option): Iterate over dump_file to implement 'a' and to
1537 locate pass-specific dumps.
1539 2000-04-01 Neil Booth <NeilB@earthling.net>
1541 * cppexp.c: Redefine priority constants.
1542 (_cpp_parse_expr): Replace left and right priority scheme with
1543 single priority logic. Move LOGICAL to same place as COMPARE.
1544 Remove bogus check for multiple unary +/- operators.
1546 2000-04-01 Neil Booth <NeilB@earthling.net>
1548 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
1549 within the switch statement. Binary operations break out of
1550 the switch naturally. '(' tokens handled by forcing
1551 immediate shift. ')' handled by forcing immediate reduce to
1552 the previous '('. New error messages.
1554 2000-03-31 Geoff Keating <geoffk@cygnus.com>
1556 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
1557 part', it's already in use. Use %K instead. Add a return at the
1558 end of what is now %K.
1559 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
1561 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1563 * builtins.c (expand_builtin_apply): Pass proper parameters to
1564 allocate_dynamic_stack_space.
1565 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
1566 update stack_pointer_delta; do not update arg_size_so_far.
1567 (compute_argument_block_size): Use stack_delta instead of
1568 stack_pointer_pending and arg_size_so_far.
1569 (expand_call): Add sanity checking for stack_pointer_delta;
1570 save and restore stack_pointer_delta for SIB, use
1571 stack_pointer_delta for alignment; do not update arg_space_so_far.
1572 (emit_library_call_value): Use stack_pointer_delta for alignment.
1573 (store_one_arg): Do not update arg_space_so_far.
1574 * explow.c (adjust_stack, anti_adjust_stack): Update
1575 stack_pointer_delta.
1576 (allocate_dynamic_stack_space): Add sanity checking for
1577 stack_pointer_delta.
1578 * expr.c (init_expr, clear_pending_stack_adjust): Clear
1579 stack_pointer_delta.
1580 (emit_push_insn): Update stack_pointer_delta.
1581 * function.h (struct expr_status): Add x_stack_pointer_delta;
1582 remove x_arg_space_so_far.
1583 (arg_space_so_far): Remove.
1584 (stack_pointer_delta): New macro.
1586 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
1588 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
1589 Reorder struct cpp_options and struct cpp_reader for better
1590 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
1591 takes two args. Change all 'char' flags to 'unsigned char'.
1592 Move show_column flag into struct cpp_options. Don't
1593 prototype cpp_options_init.
1594 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
1595 cppinit.c, cpplex.c, cpplib.c:
1596 Replace CPP_OPTIONS (pfile)->whatever with
1597 CPP_OPTION (pfile, whatever), and likewise for
1598 opts = CPP_OPTIONS (pfile); ... opts->whatever;
1600 * cppinit.c (merge_include_chains): Take a cpp_reader *.
1601 Extract CPP_OPTION (pfile, pending) and work with that
1603 (cpp_options_init): Delete.
1604 (cpp_reader_init): Turn on on-by-default options here.
1605 Allocate the pending structure here.
1606 (cl_options, enum opt_code): Define these from the same table,
1607 kept in a large macro. Add -fshow-column and -fno-show-column
1610 * cpperror.c (v_message): If show_column is off, don't print
1613 * cppmain.c: Update for new interface.
1614 * fix-header.c: Likewise.
1616 2000-03-30 Geoff Keating <geoffk@cygnus.com>
1618 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
1620 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
1621 are passed to any invocation of AR_FOR_TARGET.
1622 (AR_CREATE_FOR_TARGET): New macro.
1623 (AR_EXTRACT_FOR_TARGET): New macro.
1624 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
1625 AR_EXTRACT_FOR_TARGET.
1626 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
1627 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
1628 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
1629 AR_EXTRACT_FOR_TARGET to sub-makes.
1631 2000-03-31 Neil Booth <NeilB@earthling.net>
1633 * cppexp.c: Delete SKIP_OPERAND. Correct priority
1635 (_cpp_parse_expr): Check for multiple unary +/- operators.
1636 Correct priorities of ':' and '?'. Treat ')' as having a
1637 value. Ensure conditional expression is not void.
1639 2000-03-31 Mark Mitchell <mark@codesourcery.com>
1641 * alias.c (canon_rtx): Make it global.
1642 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
1644 * cse.c (struct table_elt): Add canon_exp.
1646 (invalidate): Canonicalize expressions only once.
1647 * rtl.h (canon_rtx): Declare.
1649 2000-03-30 Mark Mitchell <mark@codesourcery.com>
1651 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
1652 * alias.c (reg_known_value): Add comments.
1653 (init_alias_analysis): Likewise.
1654 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
1656 (cse_basic_block): Fix typo in comment.
1657 * emit-rtl.c: Include hashtab.h.
1658 (const_int_htab): New variable.
1659 (const_int_htab_hash): New function.
1660 (const_int_htab_eq): Likewise.
1661 (rtx_htab_mark_1): Likewise.
1662 (rtx_htab_mark): Likewise.
1663 (gen_rtx_CONST_INT): Cache all CONST_INTs.
1664 (unshare_all_rtx): Fix formatting.
1665 (init_emit_once): Initialize const_int_htab.
1666 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
1668 * rtl.texi: Document the fact that all CONST_INTs with the same
1671 2000-03-30 Richard Henderson <rth@cygnus.com>
1673 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
1675 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
1677 * configure.in: Comment out --enable-c-cpplib stanza.
1678 * configure: Regenerate.
1680 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1682 * expr.c (store_constructor): Properly compute displacement and
1683 alignment when offset is variable.
1685 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
1686 cases of alignment in bytes.
1688 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
1690 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
1691 since it is used to generate c-parse.y.
1692 * objc-parse.c, objc-parse.y: Regenerated.
1694 * function.c (expand_function_end): Pass alignment argument to
1695 emit_block_move in bits, not bytes.
1697 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1699 * expr.c (move_by_pieces_ninsns): Fix one more missing align
1702 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
1704 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
1705 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
1706 * function.c (assign_parms): Likewise.
1707 * integrate.c (expand_inline_function): Likewise.
1708 * stmt.c (expand_decl): Likewise.
1709 (copy_rtx_and_substitute): Likewise.
1710 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
1711 (clear_by_pieces): Fix error in last change.
1712 * emit-rtl.c (init_emit): Set known registers alignment in bits.
1713 * function.h (regno_pointer_align): Now unsigned.
1714 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
1716 * config/i386/i386.c (aligned_operand): Likewise.
1717 * config/sparc/sparc.c (mem_min_alignment): Likewise.
1718 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
1719 (unaligned_memory_operand): Likewise.
1720 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
1721 Also make alignments and sizes unsigned and some whitespace cleanup.
1722 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
1724 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
1725 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
1726 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
1727 (expand_builtin_memset): Likewise, but to clear_storage.
1728 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
1729 (restore_fixed_argument_area): Likewise.
1730 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
1731 (load_register_parameters): Likewise, to emit_group_load.
1732 (expand_call): Likewise, to emit_group_store and emit_block_move.
1733 (emit_library_call_value_1): Likewise, to emit_block_move.
1734 (store_one_arg): Likewise, and to emit_push_insn.
1735 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
1736 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
1737 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
1738 (emit_block_move, emit_group_load, emit_group_store): Likewise.
1739 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
1740 (expand_assigment, store_expr, store_constructor_field): Likewise.
1741 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
1742 (store_constructor, store_field, get_inner_reference): Likewise.
1743 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
1744 (expand_expr, case COMPONENT_REF): Likewise.
1745 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
1746 and positions; reindent code.
1747 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
1748 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
1749 (assign_parms): Likewise to emit_group_store.
1750 * optabs.c (prepare_cmp_insn): Alignment is in bits.
1751 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
1752 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
1753 (expand_return): Likewise to {extract,store}_bit_field.
1754 * stor-layout.c (get_mode_alignment): Minor cleanup.
1755 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
1756 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
1758 2000-03-29 Nick Clifton <nickc@cygnus.com>
1760 * config/arm/arm.h: Undo effects of previous delta:
1761 (ASM_SPEC): Do not define.
1762 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
1764 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
1767 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
1769 * cppinit.c (cpp_start_read): Call initialize_dependency_output
1770 only after reading in the primary source file.
1772 2000-03-29 Geoff Keating <geoffk@cygnus.com>
1774 * c-common.c (c_common_nodes_and_builtins): The first parameter to
1775 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
1776 or a reference to a va_list.
1777 * builtins.c (stabilize_va_list): Simplify now we don't have to
1778 work around C array address decay.
1779 * c-typeck.c (convert_for_assignment): Handle assignment to
1780 a reference parameter by taking the address of the RHS.
1781 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
1782 (va_copy): Likewise.
1783 (__va_copy): Likewise.
1784 * ginclude/varargs.h (va_start): Likewise.
1785 (__va_copy): Likewise.
1787 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
1789 * i386/djgpp.h: Remove extraneous "+".
1791 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
1793 * calls.c (expand_call): Fix typo in last change.
1795 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
1797 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
1800 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1802 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
1803 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
1804 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
1805 * tree.c (bit_position, byte_position): Likewise.
1806 * tree.h: Declare new functions.
1808 2000-03-29 Nick Clifton <nickc@cygnus.com>
1810 * config/arm/arm.c: Minor formatting changes/
1811 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
1813 (ASM_SPEC): Define if not already defined.
1815 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
1817 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
1820 2000-03-29 Jakub Jelinek <jakub@redhat.com>
1822 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
1823 value, don't output it as unsigned.
1825 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
1827 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
1829 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1831 * c-common.c (c_common_nodes_and_builtins): Don't special case
1832 cplus_mode when declaring builtin bzero/bcmp, always avoid
1833 prototype arguments.
1835 2000-03-29 Bruce Korb <bkorb@gnu.org>
1837 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
1840 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
1842 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
1843 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
1844 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
1845 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
1846 (save_fixed_argument_area, restore_fixed_argument_area):
1847 conditionize by #ifdef REG_PARM_STACK_SPACE only.
1848 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
1849 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
1850 (precompute_register_parameters): Avoid #ifdefs on
1851 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
1852 (stire_one_args): Likewise.
1853 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
1854 (emit_library_call_value_1): Likewise.
1855 (compute_argument_block_size): Align to STACK_BOUNDARY only for
1856 ACCUMULATE_OUTGOING_ARGS.
1857 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
1859 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
1860 (use_crosses_set_p): Likewise.
1861 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
1862 #define ACCUMULATE_OUTGOING_ARGS 1.
1863 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
1865 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
1867 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
1868 (TARGET_SWITCHES): Add push-args, no-push-args,
1869 accumulate-outgoing-args and no-accumulate-outgoing-args.
1870 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
1871 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
1872 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
1874 (emit_push_insn): Likewise.
1875 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
1876 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
1877 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
1878 (STACK_DYNAMIC_OFFSET): Define correctly for both
1879 ACCUMULATE_OUTGOING_ARGS and normal mode.
1880 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
1881 * tm.texi (PUSH_ARGS): Document.
1882 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
1884 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
1886 * flags.h (flag_optimize_sibling_calls): Declare.
1887 * calls.c (expand_call): Fail sibcall when
1888 !flag_optimize_sibling_calls
1889 * invoke.texi (flag_optimize_sibling_calls): Document.
1890 * toplev.c (flag_optimize_sibling_calls): New global variable.
1891 (f_options): Add flag_optimize_sibling_calls.
1892 (rest_of_compilation): Conditionize
1893 optimize_sibling_and_tail_recursive_calls by
1894 flag_optimize_sibling_calls.
1895 (main): Set flag_optimize_sibling_calls for -O2.
1896 * stmt.c (expand_return): Conditionize tail recursion by
1897 flag_optimize_sibling_calls.
1899 2000-03-29 Richard Henderson <rth@cygnus.com>
1901 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
1902 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
1904 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
1906 * except.c (add_eh_table_entry): Mark type_info's as referenced.
1908 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1910 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
1912 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
1913 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
1914 * config/rs6000/aix.h: then modified likewise.
1916 2000-03-28 Richard Henderson <rth@cygnus.com>
1918 * rtl.h: Redistribute enum reg_note documentation.
1919 Kill trailing whitespace.
1920 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
1921 Kill trailing whitespace.
1923 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
1925 * cppfiles.c (hash_IHASH): Just return i->hash.
1926 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
1927 htab_find_with_hash.
1928 (cpp_read_file): Likewise.
1929 (find_include_file): Likewise. Properly initialize
1930 ih->nshort. Share ih->name and ih->nshort if possible.
1931 * cpphash.c (_cpp_calc_hash): New function.
1932 (hash_HASHNODE): Just return h->hash.
1933 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
1934 htab_find_with_hash.
1935 * cpphash.h: Prototype _cpp_calc_hash.
1936 * cppinit.c (initialize_builtins): Provide a valid hash
1937 to _cpp_make_hashnode, using _cpp_calc_hash.
1939 * cpphash.c (collect_expansion): # is not a special character
1940 in object-like macros. In -traditional mode, /**/ is not
1941 token paste at the beginning or end of the line.
1942 * cpplib.c (do_include, do_import, do_include_next): If
1943 parse_include fails, return immediately.
1945 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
1947 * config/arm/arm.md (return peepholes): Update to reflect the new
1949 * config/arm/arm.c (arm_volatile_func): Also check
1950 current_function_nothrow.
1951 (output_return_instruction, output_func_prologue): Use it.
1952 (arm_output_epilogue, arm_expand_prologue): Likewise.
1954 2000-03-27 Tom Tromey <tromey@cygnus.com>
1956 * gcc.c (handle_braces): In {x*...} case, break out of loop if
1959 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1961 * expr.c (store_constructor): SIZE now signed.
1962 For EXPR_SIZE, don't evaluate size; just needed if constant.
1963 * fold-const.c (fold): Fix a number of cases when folded tree is
1965 * function.c (flush_addressof): Reenable.
1966 * tree.h (flush_addressof): Likewise.
1967 * toplev.c (independent_decode_option): Look at strings_processed.
1968 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
1970 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
1972 * sibcall.c (indentify_call_return_value): Find last call in the chain;
1973 Allow stack adjustment after function call.
1975 * regmove.c (struct csa_memlist): Make mem field rtx *.
1976 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
1977 (try_apply_stack_adjustment): Replace whole MEM rtx.
1978 (combine_stack_adjustments_for_block): Update calls
1979 to record_one_stack_ref.
1981 2000-03-28 Neil Booth <NeilB@earthling.net>
1983 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
1984 '\\' rather than a null character, so nulls are not special. Fix
1985 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
1986 speed trigraph conversion.
1987 (_cpp_init_input_buffer): Initialize trigraph map.
1989 2000-03-27 Alan Modra <alan@linuxcare.com.au>
1991 * config/i386/i386.c (output_387_binary_op): Correct intel
1992 mode assembly output, and add spaces after commas in AT&T
1993 output. Correct Unixware assembler comment. Document input
1994 constraints. Comment fp operations. Reduce profligate buffer
1995 size. Remove extraneous abort. Localize temp var.
1996 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
1997 (output_fix_trunc): Add spaces after commas in assembly output.
1999 2000-03-27 Richard Henderson <rth@cygnus.com>
2001 * i386-protos.h (ix86_match_ccmode): Declare.
2002 * i386.c (ix86_match_ccmode): New.
2003 (ix86_expand_fp_compare): Update for pattern renames.
2004 (ix86_expand_strlensi_unroll_1): Likewise.
2005 * i386.h (EXTRA_CC_MODES): Add CCZ.
2006 (SELECT_CC_MODE): Use it for EQ/NE zero.
2007 * i386.md (cmpsi_ccz_1): New.
2009 (*testsi_ccz_1): New.
2010 (testqi_ccz_1): New.
2011 (cmpsi_ccno_1): Rename from cmpsi_0.
2012 (testsi_ccno_1): Rename from testsi_1.
2013 (testqi_ccno_1): Rename from testqi_1.
2014 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
2015 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
2016 (*cmphi_0): Use ix86_match_ccmode.
2017 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
2018 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
2019 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
2020 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
2021 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
2022 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
2023 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
2024 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
2025 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
2026 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
2027 (appropriate peepholes): Likewise.
2028 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
2029 (*subsi_3, *subhi_3, *subqi_3): Remove.
2030 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
2031 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
2032 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
2033 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
2034 (x86_shift_adj_1): Use CCZ.
2035 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
2037 2000-03-27 Stan Cox <scox@cygnus.com>
2039 * resource.h (mark_resource_type): New.
2040 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
2041 find_free_register): Use mark_resource_type.
2042 (mark_set_resources): Change include_delayed_effects
2043 to mark_resource_type.
2044 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
2045 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
2046 Use mark_resource_type.
2048 2000-03-27 Richard Henderson <rth@cygnus.com>
2050 * i386.md (call_pop_0, call_value_pop_0): New.
2051 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
2052 (call_value_pop_1): Likewise.
2053 (call_0, call_value_0): New.
2054 (call_1, call_value_1): Remove constraint from unused arg.
2056 2000-03-27 Nick Clifton <nickc@cygnus.com>
2058 * invoke.texi (Spec Files): Document new spec % command created by
2059 Tom Tromey's recent patch.
2061 2000-03-27 Jakub Jelinek <jakub@redhat.com>
2063 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
2066 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2068 * expr.c (expand_assignment): Fix typo in last change.
2070 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
2072 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2074 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
2075 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
2076 and DECL_INLINE if FUNCTION_DECL.
2077 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
2078 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
2079 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
2080 (combine_parm_decls): Likewise.
2081 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
2082 * print-tree.c (print_node): Likewise.
2083 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
2084 DECL_TRANSPARENT_UNION on proper decl types.
2085 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
2086 * stor-layout.c (layout_decl): Only check DECL_PACKED and
2087 DECL_BIT_FIELD of FIELD_DECL.
2088 * tree.h (DECL_RESULT_FLD): New macro.
2090 * expr.c (expand_assignment): Add code to handle variable-sized
2093 2000-03-26 Richard Henderson <rth@cygnus.com>
2095 * calls.c (expand_call): Pass parms not original exp to
2096 optimize_tail_recursion. Mind return value instead of looking
2098 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
2099 call_expr. Move checks for call_expr and current_function_decl ...
2100 (expand_return): ... here.
2102 2000-03-26 Tom Tromey <tromey@cygnus.com>
2104 * gcc.c (handle_braces): Recognize `%{<S}' construct.
2105 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
2107 (process_command): Use them.
2108 (check_live_switch): Likewise.
2109 (give_switch): Skip ignored switches.
2111 2000-03-26 Jan Hubicka <jh@suse.cz>
2113 * jump.c (jump_optimize_1): Fix typo in elide optimizations
2114 for minimal jump pass test.
2116 2000-03-26 Mark Mitchell <mark@codesourcery.com>
2118 * integrate.c (function_cannot_inline_p): Do inline functions that
2121 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2123 * stor-layout.c (layout_type, set_sizetype): early_type_list is
2124 now a list of TREE_LIST entries, not types.
2125 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
2127 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
2128 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
2130 * config/mips/mips.c (function_arg): Likewise; also remove cast
2131 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
2132 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
2133 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
2134 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
2135 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
2136 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
2137 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
2138 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
2139 num_adjusts now unsigned.
2140 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
2141 * config/sparc/sparc.c (struct function_arg_record_value_parms):
2143 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
2144 as is BITPOS variable; use host_integerp and int_bit_position.
2145 (function_arg_record_value_2): Likewise.
2146 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
2147 Variable REGNO now unsigned.
2148 (function_arg_record_value): NREGS now unsigned.
2150 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2152 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
2154 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2156 * Rework fields used to describe positions of bitfields and
2157 modify sizes to be unsigned and use HOST_WIDE_INT.
2158 * alias.c (reg_known_value_size): Now unsigned.
2159 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
2160 (really_start_incremental_init): Use bitsize_zero_node.
2161 (push_init_level, pop_init_level, output_init_element): Likewise.
2162 Use bitsize_unit_node and bitsize_one_node.
2163 (output_pending_init_elements, process_init_element): Likewise.
2164 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
2165 (make_extraction): Position and length HOST_WIDE_INT and unsigned
2166 HOST_WIDE_INT, respectively.
2167 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
2168 (num_sign_bit_copies): Returns unsigned.
2169 BITWIDTH now unsigned; rework arithmetic.
2170 Remove recursive call from arg to MAX.
2171 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
2172 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
2174 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
2175 (find_split_point, expand_compound_operation, make_extraction): LEN
2176 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
2177 (make_field_assignment): Likewise.
2178 (combine_simplify_rtx): Add cast.
2179 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
2180 (force_to_mode): WIDTH now unsigned; add cast.
2181 (if_then_else_cond): SIZE now unsigned.
2182 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
2183 (extended_count): Now returns unsigned.
2184 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
2185 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
2186 (simplify_comparison): MODE_WIDTH now unsigned.
2187 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
2188 (mark_used_regs_combine): Likewise; rework arithmetic.
2189 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
2190 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
2191 (record_promoted_value): REGNO now unsigned.
2192 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
2193 (get_last_value): REGNO now unsigned.
2194 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
2195 (reg_dead_regno, reg_dead_endregno): Now unsigned.
2196 (remove_death): Arg REGNO now unsigned.
2197 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
2198 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
2200 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
2201 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
2202 (struct cse_reg_info): REGNO now unsigned.
2203 (cached_regno): Now unsigned.
2204 (REGNO_QTY_VALID_P): Add cast.
2205 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
2206 (remove_invalid_regs): Likewise.
2207 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
2208 as are variables END and I.
2209 (get_cse_reg_info, insert): Likewise.
2210 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
2211 (canon_hash): Likewise.
2212 (insert_regs, lookup_for_remove): REGNO now unsigned.
2213 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
2215 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
2216 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
2217 * emit-rtl.c (subreg_realpart_p): Add cast.
2218 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
2219 (operand_subword_force): Arg I is now unsigned.
2220 * except.c (eh_regs): Variable I is now unsigned.
2221 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
2222 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
2223 length is unsigned HOST_WIDE_INT; likewise for internal variables.
2224 (store_split_bit_field, extract_fixed_bit_field): Likewise.
2225 (extract_split_bit_field, store_bit_field, extract_bit_field):
2227 * expr.c (store_constructor_fields, store_constructor, store_field):
2228 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
2229 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
2230 (do_jump): Likewise.
2231 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
2232 MAX_SIZE is now unsigned.
2233 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
2234 (emit_group_store): Likewise.
2235 (emit_move_insn): I now unsigned.
2236 (store_constructor): Use host_integerp, tree_low_cst, and
2238 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
2239 Rework all calculations to use trees and new fields.
2240 * expr.h (promoted_input_arg): Regno now unsigned.
2241 (store_bit_field, extract_bit_field): Adjust types of pos and size.
2242 (mark_seen_cases): Arg is HOST_WIDE_INT.
2243 * flow.c (verify_wide_reg_1): REGNO now unsigned.
2244 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
2245 precisions and alignments are unsigned.
2246 (optimize_bit_field_compare, fold_truthop): Likewise.
2247 (int_const_binop): Adjust threshold for size_int_type_wide call.
2248 (fold_convert): Likewise.
2249 (size_int_type_wide): Make table larger and fix thinko that only
2250 had half of table used.
2251 (all_ones_mask_p, fold): Precisions are unsigned.
2252 * function.c (put_reg_info_stack): REGNO is unsigned.
2253 (instantiate_decl): Size is HOST_WIDE_INT.
2254 (instantiate_virtual_regs): I is unsigned.
2255 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
2256 (promoted_input_arg): REGNO is unsigned.
2257 * function.h (struct function): x_max_parm_reg is now unsigned.
2258 * gcse.c (max_gcse_regno): Now unsigned.
2259 (struct null_pointer_info): min_reg and max_reg now unsigned.
2260 (lookup_set, next_set): REGNO arg now unsigned.
2261 (compute_hash_table): REGNO and I now unsigned.
2262 (handle_avail_expr): regnum_for_replacing now unsigned.
2263 (cprop_insn): REGNO now unsigned.
2264 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
2265 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
2266 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
2267 * hard-reg-set.h (reg_class_size): Now unsigned.
2268 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
2269 * jump.c (mark_modified_reg): I now unsigned; add cast.
2270 (rtx_equal_for_thread_p): Add cast.
2271 * loop.c (max_reg_before_loop): Now unsigned.
2272 (struct_movable): REGNO now unsigned.
2273 (try_copy_prop): REGNO arg unsigned.
2274 (regs_match_p): XN and YN now unsigned.
2275 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
2276 (strength_reduce): Likewise; NREGS also unsigned.
2277 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
2278 * loop.h (struct iv_class): REGNO now unsigned.
2279 (max_reg_before_loop, first_increment_giv, last_increment_giv):
2281 * machmode.h (mode_size, mode_unit_size): Now unsigned.
2282 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
2283 * optabs.c (expand_binop): I and NWORDS now unsigned.
2284 (expand_unop): I now unsigned.
2285 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
2286 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
2287 * real.c (significand_size): Now returns unsigned.
2288 * real.h (significand_size): Likewise.
2289 * regclass.c (reg_class_size): Now unsigned.
2290 (choose_hard_reg_mode): Both operands now unsigned.
2291 (record_reg_classes): REGNO and NR now unsigned.
2292 (reg_scan): NREGS now unsigned.
2293 (reg_scan_update): old_max_regno now unsigned.
2294 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
2295 * reload.c (find_valid_class): BEST_SIZE now unsigned.
2296 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
2297 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
2298 Likewise for variable R.
2299 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
2300 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
2301 (find_equiv_reg): Add casts.
2302 (regno_clobbered_p): Arg REGNO now unsigned.
2303 * reload.h (struct reload): NREGS now unsigned.
2304 (refers_to_regno_for_reload_p): Regno args are unsigned.
2305 (regno_clobbered_p): Likewise.
2306 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
2307 (compute_use_by_pseudos): REGNO now unsigned.
2308 (find_reg): I and J now unsigned, new variable K, and change loop
2309 variables accordingly; THIS_NREGS now unsigned.
2310 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
2311 (spill_hard_reg): REGNO arg now unsigned; add casts.
2312 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
2313 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
2314 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
2315 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
2316 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
2317 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
2318 (emit_reload_insns): REGNO now unsigned.
2319 (reload_cse_move2add): Add cast.
2320 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
2322 * resource.c (mark_referenced_resources, mark_set_resources): New
2323 variable R; REGNO and LAST_REGNO now unsigned.
2324 (mark_target_live_regs): J and REGNO now unsigned.
2325 * rtl.c (mode_size, mode_unit_size): Now unsigned.
2326 * rtl.h (union rtunion_def): New field rtuint.
2327 (XCUINT): New macro.
2328 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
2329 (operand_subword, operand_subword_force): Word number is unsigned.
2330 (choose_hard_reg_mode): Operands are unsigned.
2331 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
2332 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
2333 (regno_use_in, combine_instructions, remove_death): Likewise.
2334 (reg_scan, reg_scan_update): Likewise.
2335 (extended_count): Return is unsigned.
2336 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
2337 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
2338 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
2339 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
2340 (reg_reg_last_1): FIRS and LAST now unsigned.
2341 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
2342 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
2344 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
2345 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
2346 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
2347 (replace_regs): Arg NREGS now unsigned.
2348 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
2349 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
2350 (simplify_binary_operation): Likewise.
2351 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
2352 THIS_LAST now unsigned.
2353 (cselib_record_set): Add cast.
2354 * ssa.c (ssa_max_reg_num): Now unsigned.
2355 (rename_block): REGNO now unsigned.
2356 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
2358 (all_cases_count): Just return -1 not -2.
2359 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
2360 Rework tests to use trees whenever possible.
2361 Use host_integerp and tree_low_cst.
2362 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
2363 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
2364 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
2365 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
2366 (smallest_mode_for_size): Likewise.
2367 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
2368 KNOWN_ALIGN is now an alignment, so simplify code.
2369 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
2370 (start_record_layout): Renamed from new_record_layout_info.
2371 Update to new fields.
2372 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
2374 (place_union_field): Renamed from layout_union_field.
2375 Update to use new fields in rli.
2376 (place_field): Renamed from layout_field.
2377 Major rewrite to use new fields in rli; pass alignment to layout_decl.
2378 (finalize_record_size): Rework to use new fields in rli and handle
2380 (compute_record_mode): Rework to simplify and to use new DECL fields.
2381 (finalize_type_size): Make rounding more consistent.
2382 (finish_union_layout): Deleted.
2383 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
2384 (layout_type, case RECORD_TYPE): Call new function names.
2385 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
2386 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
2387 (get_best_mode): UNIT is now unsigned; remove casts.
2388 * tree.c (bit_position): Compute from new fields.
2389 (byte_position, int_byte_position): New functions.
2390 (print_type_hash_statistics): Cast to remove warning.
2391 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
2392 (build_index_type): Likewise; make subtype of sizetype.
2393 (build_index_2_type): Pass sizetype to build_range_type.
2394 (build_common_tree_nodes): Use size_int and bitsize_int to
2395 initialize nodes; add bitsize_{zero,one,unit}_node.
2396 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
2397 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
2398 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
2399 (DECL_FIELD_BITPOS): Deleted.
2400 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
2401 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
2402 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
2403 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
2404 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
2405 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
2406 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
2407 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
2408 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
2409 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
2410 (DECL_ALIGN): Adjust to new field in union.
2411 (DECL_OFFSET_ALIGN): New field.
2412 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
2413 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
2414 (union tree_decl): Add struct for both aligns.
2415 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
2416 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
2417 (struct record_layout_info): Rework fields to have offset
2418 alignment and byte and bit position.
2419 (start_record_layout, place_field): Renamed from old names.
2420 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
2421 (byte_position, int_byte_position): Likewise.
2422 (get_inner_reference): Change types of position and length.
2423 * unroll.c (unroll_loop): New variable R; use for some loops.
2424 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
2425 (calculate_giv_inc): Arg REGNO now unsigned.
2426 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
2427 * varasm.c (assemble_variable): Clean up handling of size using
2428 host_integerp and tree_low_cst.
2429 (decode_addr_const): Use byte, not bit, position.
2430 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
2431 use tree_low_cst and int_bit_position.
2432 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
2434 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
2436 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
2437 (reorder_block_def): New members eff_head and eff_end.
2438 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
2439 (verify_insn_chain): New function.
2440 (skip_insns_between_block): Add code to skip deleted insns.
2441 Check for note before using.
2442 (chain_reorder_blocks): Replace calls to skip_insns_between_block
2443 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
2444 Check for note before using.
2445 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
2446 (fixup_reorder_chain): Restructure, clean up, defect removal.
2447 (reorder_basic_blocks): Remove last_insn and references to it.
2448 Moved insn chain verification code into a new function (see above).
2449 Delete defective code that sets last insn.
2450 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
2453 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2455 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
2457 2000-03-24 Richard Henderson <rth@cygnus.com>
2459 * tree.c (lang_safe_for_unsave): Remove.
2460 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
2461 allowing for two levels of unsafeness. Remove lang hook.
2462 * tree.h: Update declarations.
2463 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
2464 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
2465 Always fail sibcalls when there are pending cleanups.
2467 2000-03-24 Geoff Keating <geoffk@cygnus.com>
2469 * flow.c (propagate_block): When we delete an ADDR_VEC,
2470 also delete the BARRIER following it if there is one.
2472 2000-03-24 Richard Henderson <rth@cygnus.com>
2474 * builtins.c (expand_builtin_bzero): Convert `length' argument
2477 2000-03-24 Jakub Jelinek <jakub@redhat.com>
2479 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
2480 comparison if regno's are equal.
2481 * calls.c (initialize_argument_informat): Add ecf_flags argument.
2482 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2483 (expand_call): Update caller.
2484 Avoid making a sibling call if argument size of the callee is larger
2485 than argument size of the caller.
2486 Call hard_function_value with outgoing set if in sibcall pass.
2487 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2489 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
2490 Change LEAF_REGISTERS from an array initializer to actual array
2491 identifier. Move static global variable into the function.
2492 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
2493 sequences for leaf functions.
2494 * global.c (global_alloc): Likewise.
2495 * tm.texi (LEAF_REGISTERS): Update documentation.
2497 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
2498 TARGET_FLAT leaf disabling hack.
2499 (LEAF_REGISTERS): Changed from an array initializer to actual array
2500 identifier to avoid duplication and remove the above hack.
2501 (FUNCTION_OK_FOR_SIBCALL): Define.
2502 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
2503 always like call attribute.
2504 (eligible_for_sibcall_delay): New attribute.
2505 (sibcall): New delay type.
2506 (sibcall, sibcall_value, sibcall_epilogue): New expands.
2507 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
2508 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
2509 * config/sparc/sparc.c (sparc_leaf_regs): New array.
2510 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
2512 (output_function_epilogue): Move part of the code into
2513 output_restore_regs.
2514 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
2516 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
2519 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
2520 until infrastructure is finished.
2522 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
2524 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
2525 (save_parm_insns): Not here.
2527 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2529 * builtins.c (expand_builtin_bzero): New function.
2530 (expand_builtin): Handle bzero.
2532 * builtins.def: Add BUILT_IN_BZERO.
2534 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2535 prototype & function for bzero.
2537 2000-03-23 Michael Meissner <meissner@redhat.com>
2539 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
2540 change adding TARGET_FP to the TF floating point insns, except for
2541 trunctfsf2, which generates direct calls to truncdfsf2.
2543 2000-03-23 Geoff Keating <geoffk@cygnus.com>
2545 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
2546 try to protect against middle-end changes that break binary
2548 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
2550 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2552 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
2554 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2556 * calls.c (expand_call): If TARGET is passed by reference and
2557 is readonly, write a CLOBBER.
2559 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2561 * builtins.c (expand_builtin): Handle bcmp.
2563 * builtins.def: Add BUILT_IN_BCMP.
2565 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2566 prototype & function for bcmp.
2568 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
2570 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
2571 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
2572 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
2574 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
2576 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
2577 alternative when using -fp64 -gp32.
2579 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2581 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
2582 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
2583 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
2585 * frame.h (frame_state): Revert last change.
2586 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
2587 * libgcc2.c (throw_helper): Revert last change.
2589 2000-03-22 Richard Henderson <rth@cygnus.com>
2591 * stmt.c (expand_asm_operands): Don't promote the temporary.
2593 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2595 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
2596 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
2597 c_get_alias_set): Likewise.
2598 * c-decl.c (duplicate_decls): Likewise.
2599 * c-typeck.c (default_conversion,build_unary_op): Likewise.
2600 * calls.c (initialize_argument_information): Likewise.
2601 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
2603 * dwarfout.c (decl_class_context,output_type): Likewise.
2604 * expr.c (get_inner_reference): Likewise.
2605 * fold-const.c (simple_operand_p,fold): Likewise.
2606 * function.c (aggregate_value_p): Likewise.
2607 * stmt.c (expand_asm_operands): Likewise.
2608 * varasm.c (named_section): Likewise.
2610 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2612 Implement dwarf2 exception handling for the ARM.
2613 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
2614 (DWARF_FRAME_RETURN_COLUMN): Define.
2615 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
2616 REG_FRAME_RELATED_EXPR note.
2617 (emit_sfm): Likewise.
2618 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
2619 * dwarf2out.c (reg_save): Handle saving a register to itself.
2620 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
2621 * except.c (eh_regs): Don't use the static chain reg if it's
2623 * frame.h (frame_state): Add cfa_saved field.
2624 * frame.c (execute_cfa_insn): Set it.
2625 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
2627 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
2629 (instantiate_virtual_regs): Adjust.
2631 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2632 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2633 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
2635 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
2636 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
2638 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2640 * builtins.def: New file.
2642 * Makefile.in (TREE_H): Depend on builtins.def.
2644 * builtins.c (built_in_names): Use builtins.def.
2646 * tree.h (built_in_function): Likewise.
2648 2000-03-22 Mark Mitchell <mark@codesourcery.com>
2650 * tree.c (size_in_bytes): Return size_zero_node, not
2653 2000-03-22 Geoff Keating <geoffk@cygnus.com>
2655 * config/fp-bit.c (pack_d): Correct the case when a denormal
2656 is rounded up and stops being denormal.
2658 2000-03-21 Richard Henderson <rth@cygnus.com>
2660 * config/alpha/alpha.c (function_arg): Check for void_type_node
2661 before using MUST_PASS_IN_STACK.
2663 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
2665 * regmove.c (combine_stack_adjustments_for_block): Check that
2666 the stack pointer is a valid memory address.
2668 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
2670 * calls.c: re-install Mar 16 emit_library_call merge.
2672 2000-03-21 Jakub Jelinek <jakub@redhat.com>
2674 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
2675 we cannot be sure that if reload_completed base register will
2676 be properly aligned.
2678 2000-03-21 Richard Henderson <rth@cygnus.com>
2680 * flow.c (delete_block): Fix typo last change.
2682 2000-03-21 Mark Mitchell <mark@codesourcery.com>
2684 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
2685 not COMPLETE_TYPE_P, to check the type of the expression.
2687 2000-03-21 Michael Meissner <meissner@redhat.com>
2689 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
2690 all floating point insns that just tested the macro
2691 TARGET_HAS_XFLOATING_LIBS.
2692 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
2693 used to only use the gprs.
2695 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
2697 * tree.h (COMPLETE_TYPE_P): New macro.
2698 (COMPLETE_OR_VOID_TYPE_P): New macro.
2699 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
2700 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
2701 * c-aux-info.c (gen_type): Use them.
2702 * c-common.c (c_expand_expr_stmt): Likewise.
2703 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
2704 grokdeclarator, grokparms, finish_struct, start_function,
2705 store_parm_decls, combine_parm_decls): Likewise.
2706 * c-parse.y (cast_expr): Likewise.
2707 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
2708 c_size_in_bytes, c_alignof, build_component_ref,
2709 build_indirect_ref, build_array_ref, convert_arguments,
2710 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
2711 * calls.c (initialize_argument_information): Likewise.
2712 * convert.c (convert_to_integer): Likewise.
2713 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
2714 * dwarfout.c (location_or_const_value_attribute,
2715 output_enumeration_type_die, output_structure_type_die,
2716 output_union_type_die, output_type): Likewise.
2717 * expr.c (safe_from_p, expand_expr): Likewise.
2718 * function.c (assign_parms): Likewise.
2719 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
2720 * tree.c (build_array_type, build_function_type,
2721 build_method_type, build_offset_type, build_complex_type): Likewise.
2722 * c-parse.c, c-parse.h: Regenerated.
2724 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2726 * config/c4x/rtems.h: Include config/rtems.h.
2728 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
2730 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
2731 decl is a FUNCTION_DECL
2733 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
2735 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
2736 function uses output registers. Don't save RP for leaf functions.
2737 Do save RP even if no epilogue.
2738 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
2739 (CALL_USED_REGISTERS): Unmark in registers.
2740 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
2743 2000-03-20 Geoff Keating <geoffk@cygnus.com>
2745 * config/rs6000/rs6000.md (bunordered): New expander.
2746 (bordered): New expander.
2747 (buneq): New expander.
2748 (bunge): New expander.
2749 (bungt): New expander.
2750 (bunle): New expander.
2751 (bunlt): New expander.
2752 (bltgt): New expander.
2754 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
2755 (ccr_bit_negated_p): New function.
2756 (print_operand): For %C, generate appropriate cror for UNEQ,
2757 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
2759 2000-03-20 Andreas Jaeger <aj@suse.de>
2761 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
2764 * tree.h (safe_for_unsave): Prototype.
2766 2000-03-20 Richard Henderson <rth@cygnus.com>
2768 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
2769 (combine_stack_adjustments_for_block): Don't allow sp references
2770 in the side of a set we're not fixing up.
2771 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
2772 after life_analysis.
2774 2000-03-20 Richard Henderson <rth@cygnus.com>
2776 * calls.c (expand_call): Don't bother generating tail call
2777 sequences if there are pending cleanups. Use
2778 expand_start_target_temps/expand_end_target_temps to elide
2779 cleanups created during sibcall expansion.
2781 2000-03-20 Geoff Keating <geoffk@cygnus.com>
2783 * configure.in: Set $IFS to a value if it doesn't already have one
2784 in the --enable-checking handling.
2785 * configure: Regenerate.
2787 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2789 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
2790 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2793 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
2795 * jump.c (delete_noop_moves): Remove code attempting to
2796 combine stack adjustments.
2798 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2800 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
2801 * except.c (emit_cleanup_handler): Use them.
2802 (expand_end_all_catch): Likewise.
2803 * function.c (fixup_var_refs): Likewise.
2804 (expand_function_end): Clear catch_clauses_last.
2805 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
2806 * except.h (struct eh_status): New field x_catch_clauses_last.
2807 (catch_clauses_last): New define.
2809 * Makefile.in (tree.o): Depend on HASHTAB_H.
2810 * tree.c: Include hashtab.h.
2811 (struct type_hash): Remove next field.
2812 (TYPE_HASH_SIZE): Remove.
2813 (TYPE_HASH_INITIAL_SIZE): New define.
2814 (type_hash_table): Change type to htab_t.
2815 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
2816 mark_hash_entry): New functions.
2817 (init_obstacks): Allocate type hash.
2818 (type_hash_lookup): Use htab functions.
2819 (type_hash_add, mark_type_hash): Likewise.
2820 (dump_tree_statistics): Call print_type_hash_statistics.
2822 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2824 * rs6000/t-aix41: New file.
2826 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
2828 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
2830 * tm.texi (Driver): Fix typos and tweak entry for
2832 Move misplaced STRUCT_FORCE_BLK entry ...
2833 (Storage Layout): ... to here.
2834 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
2836 2000-03-19 Richard Henderson <rth@cygnus.com>
2838 * flow.c (delete_block): Delete the addr_vec along with the block.
2839 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
2842 * fold-const.c (extract_muldiv): Apply type check for defined
2843 overflow to multiply as well as divide.
2845 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
2847 2000-03-18 Mark Mitchell <mark@codesourcery.com>
2849 * emit-rtl.c (remove_unncessary_notes): Check that all
2850 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
2851 associated NOTE_BLOCK.
2852 * function.h (identify_blocks): Update comments.
2853 (reorder_blocks): Declare.
2854 * function.c (identify_blocks): Don't take paramters.
2855 (reorder_blocks): Don't take parameters.
2856 * loop.h (find_loop_tree_blocks): Remove.
2857 (unroll_block_trees): Likewise.
2858 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
2859 reorder_blocks instead of unroll_block_trees.h
2860 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
2861 * stmt.c (find_loop_tree_blocks): Remove.
2862 (unroll_block_trees): Likewise.
2863 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
2864 in whole-function mode.
2865 * tree.h (reorder_blocks): Remove declaration.
2867 * expr.c: Include intl.h.
2868 * Makefile.in (expr.o): Depend on intl.h.
2870 2000-03-18 Richard Henderson <rth@cygnus.com>
2872 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
2874 2000-03-18 Mark Mitchell <mark@codesourcery.com>
2876 * tree.h (tree_index): Remove enumerals for integer types.
2877 (integer_type_kind): New type.
2878 (integer_types): New variable.
2879 (char_type_node): Adjust.
2880 (signed_char_type_node): Likewise.
2881 (unsigned_char_type_node): Likewise.
2882 (short_integer_type_node): Likewise.
2883 (short_unsigned_type_node): Likewise.
2884 (integer_type_node): Likewise.
2885 (unsigned_type_node): Likewise.
2886 (long_integer_type_node): Likewise.
2887 (long_unsigned_type_node): Likewise.
2888 (long_long_integer_type_node): Likewise.
2889 (long_long_unsigned_type_node): Likewise.
2890 * tree.c (integer_types): New variable.
2891 (init_obstacks): Register it as a root.
2893 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
2895 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
2896 NEXT_INSN. Update last insn in chain.
2898 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
2900 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
2901 with TYPE_DECL_SUPPRESS_DEBUG set.
2903 2000-03-18 Richard Henderson <rth@cygnus.com>
2905 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
2907 2000-03-18 Richard Henderson <rth@cygnus.com>
2909 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
2910 care for HALF_PIC_P.
2911 (expander_call_insn_operand): Remove.
2912 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
2913 * i386.h (PREDICATE_CODES): Update.
2914 * i386.md (all call expanders): Remove predicates, remove special
2915 handling for half-pic.
2916 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
2917 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
2918 (sibcall_epilogue): New.
2920 2000-03-17 Richard Henderson <rth@cygnus.com>
2922 * rtlanal.c (single_set): Reject if the parallel has anything
2923 except SET or USE or CLOBBER.
2925 2000-03-17 Jeff Law <law@cygnus.com>
2926 Richard Henderson <rth@cygnus.com>
2928 * Makefile.in (OBJS): Add sibcall.o.
2930 * sibcall.c: New file.
2931 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
2932 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
2933 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
2934 Emit sibcall patterns when requested. Update all callers.
2935 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
2936 elimination seems feasable.
2937 * final.c (leaf_function_p): Sibling calls don't discount being
2939 * flow.c (HAVE_sibcall_epilogue): Provide default.
2940 (find_basic_blocks_1): Sibling calls don't throw.
2941 (make_edges): Make edge from sibling call to EXIT.
2942 (propagate_block): Don't remove sibcall_epilogue insns.
2943 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
2944 (sibcall_epilogue): New.
2945 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
2946 (identify_blocks_1): Likewise. Break out from ...
2947 (identify_blocks): ... here.
2948 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
2949 (reorder_blocks): ... here.
2950 (init_function_for_compilation): Zap prologue/epilogue as varrays.
2951 (record_insns): Extend a varray instead of mallocing new memory.
2952 (contains): Read a varray not array of ints.
2953 (sibcall_epilogue_contains): New.
2954 (thread_prologue_and_epilogue_insns): Emit and record
2955 sibcall_epilogue patterns.
2956 (init_function_once): Allocate prologue/epilogue varrays.
2957 * genflags.c (gen_insn): Treat sibcall patterns as calls.
2958 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
2960 (save_for_inline_nocopy): ... here.
2961 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
2963 (expand_inline_function): ... here.
2964 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
2965 (subst_constants): Handle 'n' formats.
2966 * jump.c (jump_optimize_minimal): New.
2967 (jump_optimize_1): New arg `minimal'; update callers. Elide most
2968 optimizations if it's set.
2969 * rtl.c (copy_rtx): Do copy jump & call for insns.
2970 * rtl.h (struct rtx_def): Document use of jump and call for insns.
2971 (SIBLING_CALL_P): New.
2972 (sibcall_use_t): New.
2973 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
2974 Invoke optimize_sibling_and_tail_recursive_calls.
2975 * tree.c (lang_safe_for_unsave): New.
2976 (safe_for_unsave): New.
2977 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
2979 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
2980 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
2981 (*sibcall_osf_1, *sibcall_value_osf_1): New.
2983 2000-03-17 Mark Mitchell <mark@codesourcery.com>
2985 * objc/objc-act.c (encode_method_prototype): Pass types, not
2986 PARM_DECLs, to int_size_in_bytes.
2988 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
2990 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
2992 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
2993 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
2995 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2997 * Clean up usages of TREE_INT_CST_LOW.
2998 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
2999 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
3001 * c-tree.h (min_precision): Move declaration to here.
3002 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
3003 (build_unary_op, add_pending_init): Use bit_position.
3004 (pending_init_member, process_init_element): Likewise.
3005 (really_start_incremental_init, push_init_level, pop_init_level):
3006 Don't make copies of nodes or modify them in place, use consistent
3007 types when tracking positions, and use tree routines computations.
3008 (set_init_index, output_init_element): Likewise.
3009 (output_pending_init_elements, process_init_element): Likewise.
3010 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
3011 tree_low_cst and int_bit_position; also minor cleanup.
3012 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
3013 (print_cst_octal): Precision is unsigned.
3014 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
3015 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
3016 (simple_type_align_in_bits): Result is unsigned int.
3017 Use tree_int_low_cst and host_integerp.
3018 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
3019 (field_byte_offset): Result is HOST_WIDE_INT.
3020 Change types of internal variables so alignments are unsigned int,
3021 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
3022 Use host_integerp, tree_low_cst, and int_bit_position.
3023 (add_bit_offset_attribute): Likewise.
3024 (add_data_member_location_attribute): Use tree_cst_low.
3025 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
3026 (add_bit_size_attribute): Use tree_low_cst.
3027 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
3028 * dwarfout.c: Similar changes to dwarf2out.c.
3029 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
3030 * genoutput.c (n_occurences): Return -1 for null string.
3031 (strip_whitespace): Accept null string and make into function.
3032 (scan_operands): Reflect above changes.
3033 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
3034 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
3035 * ssa.c (rename_registers): Add missing cast of arg to bzero.
3036 * tree.c (int_size_in_bytes): Check for too big to represent.
3037 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
3038 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
3040 (min_precision): Delete from here.
3041 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
3042 and int_bit_position.
3043 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
3044 (encode_method_def): Likewise.
3045 (build_ivar_list_initializer): Use int_bit_position.
3046 (generate_shared_structures): Convert size.
3047 (encode_type, encode_complete_bitfield): Use integer_zerop.
3048 (encode_bitfield): Use tree_low_cst and int_bit_position.
3050 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3052 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
3054 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3056 * call.c (special_function_p): It is only malloc if it returns
3059 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3061 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
3062 (C33_FLAG, TARGET_C3X): Add macros.
3063 (TARGET_SWITCHES): Add -m33 option.
3064 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
3066 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3068 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
3069 (PARALLEL_PACK_FLAG): Delete.
3070 (TARGET_SWITCHES): Update.
3071 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
3073 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3075 * fold-const.c (fold): Fix a few cases when the returned result
3076 is not of the same type as the input.
3078 2000-03-16 Nick Clifton <nickc@cygnus.com>
3080 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
3083 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3085 * libgcc2.h: Move prototypes above macros with the same name.
3086 Wrap some function prototypes in the conditional which indicates
3087 whether they are supported, i.e. "BITS_PER_UNIT == 8".
3089 2000-03-16 Richard Henderson <rth@cygnus.com>
3091 * calls.c: Revert last two changes.
3093 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
3095 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
3096 has exponent 0 is a zero.
3098 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
3099 HASH may already be nonzero. Add code/mode into hash value
3100 immediately after repeat label.
3101 (cselib_lookup): Don't leave the hash table in an inconsistent
3102 state before a hash lookup operation.
3104 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
3106 * i386.md (all HI and QI mode non-move patterns): Conditionize
3107 by TARGET_[HQ]IMODE_MATH.
3108 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
3109 x86_promote_qi_regs): Declare.
3110 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
3111 TARGET_PROMOTE_QI_REGS): New macros.
3112 (PROMOTE_MODE): New macro.
3113 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
3114 x86_promote_qi_regs): New global variables.
3116 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
3118 * calls.c (emit_library_call_value_1): Break out from ...; handle
3119 VOIDmode function calls too.
3120 (emit_library_call_value): ... here.
3121 (emit_library_call): Implement by calling emit_library_call_value_1.
3123 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
3125 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
3126 Update arg_space_so_far on stack adjustments.
3127 (emit_library_call, emit_library_call_value): Likewise; take into
3128 account arg_space_so_far and pending_stack_adjust when calculcating
3131 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
3133 * flow.c: Move all basic block reordering code into its own file.
3134 (create_basic_block): Externalize.
3135 * bb-reorder.c: New file. Copy all basic block reordering code from
3136 flow.c to this file.
3137 (reorder_basic_blocks): Fix fencepost error in for-loop.
3138 (reorder_basic_blocks): Remove braces from single statement for-loops.
3139 * basic-block.h: Add declaration for create_basic_block.
3140 * Makefile.in: Add rules for bb-reorder.o.
3142 2000-03-16 Neil Booth <NeilB@earthling.net>
3144 * cppinit.c (handle_option): Implement #unassert directive
3145 as -A- command line option.
3146 (print_help): Update.
3147 * cpptexi.c: Update.
3149 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
3151 * md.texi (Standard Names): Document `jump'.
3153 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
3155 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
3158 2000-03-15 Geoff Keating <geoffk@cygnus.com>
3160 Merge changes from newppc-branch onto trunk.
3162 2000-03-15 Geoff Keating <geoffk@cygnus.com>
3164 * rs6000.c (toc_hash_table): Update for new hash table functions.
3165 (toc_hash_function): Likewise.
3166 (toc_hash_eq): Likewise.
3167 (toc_hash_mark_entry): Likewise.
3168 (toc_hash_mark_table): Likewise.
3169 (output_toc): Likewise.
3170 (rs6000_add_gc_roots): Likewise.
3172 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3174 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
3175 (AR_FLAGS_FOR_TARGET): here. New macro.
3177 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
3179 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
3180 fpmem_operand) Delete.
3182 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
3183 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
3184 (rs6000_save_machine_status, rs6000_restore_machine_status,
3185 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
3186 references to above variables.
3187 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
3188 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
3189 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
3190 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
3191 (XER_REGNO_P, XER_REGNO): New.
3192 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
3193 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
3194 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
3196 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
3197 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
3198 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
3200 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3202 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
3203 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
3204 * rs6000.h: from here.
3206 * rs6000-protos.h (rs6000_select_section): Provide prototype.
3207 (rs6000_select_rtx_section): Likewise.
3208 (rs6000_encode_section_info): Likewise.
3209 (sdata_section): Likewise.
3210 (sdata2_section): Likewise.
3211 (sbss_section): Likewise.
3212 * sysv4.h (rs6000_select_section): Delete prototype.
3213 (rs6000_select_rtx_section): Likewise.
3214 (rs6000_encode_section_info): Likewise.
3215 (sdata_section): Likewise.
3216 (sdata2_section): Likewise.
3217 (sbss_section): Likewise.
3218 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
3220 * sysv4.h: Delete various unnecessary #undef's and put a comment
3221 on the remaining ones.
3222 Change various comments according to coding standard.
3224 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
3226 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
3227 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
3228 (CR0_REGNO_P) Remove.
3229 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
3230 setup_incoming_varargs, mtcrf_operation, print_operand,
3231 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
3232 Use the above macros.
3234 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
3236 * config/rs6000/rs6000.md: Added a new alternative for each
3237 pattern that had a 'x' alternative but no 'y' alternative.
3238 Added a new split for each of the above patterns.
3240 2000-02-18 Geoff Keating <geoffk@cygnus.com>
3242 * aix41.h (ASM_CPU_SPEC): Delete.
3243 (CPP_CPU_SPEC): Delete.
3245 * aix.h (RS6000_OUTPUT_BASENAME): Define.
3246 (ASM_OUTPUT_LABEL): Define.
3247 (ASM_GLOBALIZE_LABEL): Define.
3248 (STRIP_NAME_ENCODING): Define.
3249 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
3250 (STRIP_NAME_ENCODING): Don't define.
3251 (ASM_OUTPUT_LABEL): Don't define.
3252 (ASM_GLOBALIZE_LABEL): Don't define.
3253 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
3254 names, and ASM_OUTPUT_LABEL to output labels, rather than
3256 (ASM_OUTPUT_LABEL): Define.
3257 (ASM_OUTPUT_INT): Use assemble_name.
3258 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
3259 (STRIP_NAME_ENCODING): Don't undefine first.
3260 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
3262 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
3263 specified with 'asm' even with -fleading-underscore.
3264 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
3265 (output_epilog): Likewise.
3266 (output_toc): Likewise.
3267 * tramp.asm: Handle -fleading-underscore correctly.
3269 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
3271 (nonlocal_goto_receiver): Delete.
3272 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
3274 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
3275 (SET_ASM_OP): Define.
3276 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
3278 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
3281 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
3282 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
3284 * rs6000.h: Add 'u' to more constants.
3286 2000-02-18 David Edelsohn <edelsohn@gnu.org>
3288 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
3290 2000-02-15 David Edelsohn <edelsohn@gnu.org>
3292 * rs6000.c (reg_or_u_cint_operand): New function.
3293 (logical_operand): Handle 64-bit hosts.
3294 (logical_u_operand): New function.
3295 (non_logical_cint_operand): Handle 64-bit hosts.
3296 (non_logical_u_cint_operand): New function.
3297 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
3298 (PREDICATE_CODES): Define new functions.
3299 * rs6000-protos.h: Declare new functions.
3300 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
3301 (movdi_64): Bracket code intended for 64-bit hosts. Create
3302 CONST_DOUBLE for 32-bit values.
3303 (scc insns): Generate DImode compares.
3304 (mfcr insns): Create DImode versions.
3305 (sge matchers): New patterns.
3307 2000-02-15 Gabriel Paubert <paubert@iram.es>
3309 * rs6000.md: Correct instructions length attributes and
3310 constraints on unsigned compare instructions.
3311 (*ne0): Disable for PowerPC64.
3313 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3315 * rs6000.c (output_function_profiler): Use .long for a 32-bit
3316 quantity, fix profile1.C test failure under -fPIC.
3318 * rs6000.c: Add 'u' to many constants to suppress warnings.
3319 (constant_pool_expr_1): Make static.
3320 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
3321 * rs6000.h: Add 'u' to many constants to suppress warnings.
3323 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
3324 for the start of the TOC, instead of LCTOC..0.
3325 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
3327 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
3328 (load_toc_aix_di): Use LCTOC..1.
3330 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
3331 * rs6000.c (rs6000_legitimize_address): New function from
3332 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
3333 symbols in the constant pool that really are TOC references.
3334 (print_operand_address): For ELF, write TOC offsets under
3335 -fPIC as subtractions in the insn.
3336 (output_toc): For ELF, define symbols in TOC as normal labels,
3338 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
3339 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
3340 (create_TOC_reference): Prototype only when RTX_CODE is defined.
3341 * rs6000.md (movsi): Only use create_TOC_reference on
3342 symbols in the constant pool that really are TOC references.
3344 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
3345 * rs6000.c (rs6000_reorg): Delete.
3346 * rs6000-protos.h (rs6000_reorg): Delete.
3348 2000-02-09 Geoff Keating <geoffk@cygnus.com>
3350 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
3352 * aix.h (SETUP_FRAME_ADDRESSES): Define.
3353 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
3354 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
3355 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
3356 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
3357 rs6000_aix_emit_builtin_unwind_init.
3358 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
3359 rs6000_emit_eh_toc_restore on AIX.
3360 (return_eh_si): Use r2.
3361 (return_eh_di): Use r2.
3363 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
3364 since we're breaking binary compatibility anyway.
3366 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3368 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
3369 constant_pool_expr_p): Declare them.
3370 (constant_pool_expr_p): Declare it.
3371 * config/rs6000/rs6000.c (toc_label_name): Define.
3372 (rs6000_override_options): Set toc_label_name.
3373 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
3374 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
3375 uses_TOC): New functions.
3376 (print_operand): Delete old '*' case.
3377 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
3378 and strip off rtl for TOC before calling output_addr_const.
3379 (rs6000_emit_load_toc_table): Use toc_label_name.
3380 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
3382 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
3383 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
3384 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
3385 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
3386 into explicit TOC_REGISTER offsets.
3387 (TOC_REGISTER): New macro.
3388 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
3389 TARGET_TOC to reference TOC_REGISTER.
3390 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
3391 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
3392 uses_TOC before emitting label references.
3394 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3396 * rs6000.md (stack_tie): Fix warning.
3398 * eabi-ctors.c: Use 'asm' names for the start/end variables,
3399 to handle -fleading-underscore.
3400 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
3401 (USER_LABEL_PREFIX): New macro.
3402 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
3403 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
3404 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
3405 call-linux can use the same multilibs.
3406 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
3407 and call-linux multilibs. Do multilib with -fleading-underscore.
3408 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
3409 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
3412 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
3413 have MASK_SOFT_FLOAT set.
3414 (CPP_FLOAT_DEFAULT_SPEC): New macro.
3415 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
3416 CPP_FLOAT_DEFAULT_SPEC.
3418 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
3419 * rs6000.md: Whitespace change.
3420 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
3421 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
3423 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3425 * rs6000.md (eh_epilogue): New expander.
3426 (eh_reg_restore): New expand/split/insn combination.
3427 (return_eh_si): New insn.
3428 (return_eh_di): New insn.
3430 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
3431 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
3432 * eabi-ctors.c (__do_global_ctors): Register this object's
3433 frame. Clean up. Call atexit() after the constructors.
3434 (__do_global_dtors): Deregister this object's frame. Clean up.
3435 Allow for recursive calls to exit().
3436 * rs6000.c (fixuplabelno): New variable.
3437 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
3438 TARGET_RELOCATABLE, it slows down exec() under linux.
3439 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
3441 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
3442 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
3443 (ASM_OUTPUT_DWARF_DELTA2): New macro.
3444 (ASM_OUTPUT_DWARF_DELTA4): New macro.
3445 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
3446 (ASM_OUTPUT_DWARF_ADDR): New macro.
3447 (ASM_OUTPUT_DWARF_DATA4): New macro.
3448 (ASM_OUTPUT_DWARF_DATA2): New macro.
3449 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
3450 (ASM_OUTPUT_DWARF_OFFSET): New macro.
3451 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
3453 2000-02-03 Geoff Keating <geoffk@cygnus.com>
3455 * rs6000.c (rs6000_sr_alias_set): New variable.
3456 (rs6000_override_options): Initialise rs6000_sr_alias_set.
3457 (rs6000_emit_stack_tie): New function.
3458 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
3459 in a way that dwarf2out can understand.
3460 (rs6000_frame_related): New function.
3461 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
3462 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
3463 Use rs6000_emit_stack_tie when needed.
3464 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
3465 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
3466 * rs6000.md (stack_tie): New insn.
3467 (return_internal_si): Allow return value to be in the count
3469 (return_internal_di): Likewise.
3471 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
3473 2000-02-03 Geoff Keating <geoffk@cygnus.com>
3475 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
3477 2000-01-31 Geoff Keating <geoffk@cygnus.com>
3479 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
3481 * rs6000.md (stmw): Use the right POWER opcode.
3484 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3486 * rs6000-protos.h: New file.
3488 * rs6000.c: Include tm_p.h. Fix compile time warnings.
3490 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
3493 * sysv4.h: Likewise.
3495 2000-01-28 Geoff Keating <geoffk@cygnus.com>
3497 * ../../configure.in: Delete powerpcle-*-winnt*
3498 and powerpcle-*-pe|powerpcle-*-cygwin*.
3499 * ../../configure: Regenerated.
3501 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
3502 (TARGET_WINDOWS_NT): Delete.
3504 (CALL_NT_DLLIMPORT): Delete.
3505 Delete NT-specific code.
3506 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
3509 * nt-ci.asm: Delete.
3510 * nt-cn.asm: Delete.
3511 * ntstack.asm: Delete.
3513 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3515 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
3516 (ASM_FILE_START): Likewise.
3517 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3518 (ASM_OUTPUT_LABELREF): Likewise.
3519 (ASM_OUTPUT_SKIP): Likewise.
3520 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3521 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3522 (ASM_OUTPUT_CASE_LABEL): Likewise.
3523 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
3524 (ASM_OUTPUT_ASCII): Likewise.
3526 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
3528 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
3529 reload_toc_labelno for non-prologue TOC reloads. Also, don't
3530 increment rs6000_pic_labelno here.
3531 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
3532 and increment rs6000_pic_labelno here.
3534 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
3536 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
3537 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
3538 allocation knows (reg) is dead before the insn.
3540 2000-01-21 Geoff Keating <geoffk@cygnus.com>
3542 * rs6000.md (movsi_to_cr): Correct typo in output template.
3544 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
3546 * rs6000.c (rs6000_pic_labelno): Always define.
3547 (rs6000_pic_func_labelno): Delete.
3548 (lmw_operation): Check for a zero base register,
3549 which doesn't mean what we want.
3550 (stmw_operation): New function.
3551 (print_operand): Define new 'l' modifier.
3552 (rs6000_stack_info): We must save all 64 bits of the registers
3553 if TARGET_POWERPC64.
3554 (rs6000_output_load_toc_table): Delete.
3555 (rs6000_emit_load_toc_table): New function.
3556 (rs6000_allocate_stack_space): Delete.
3557 (rs6000_emit_allocate_stack): New function.
3558 (rs6000_emit_prologue): New function.
3559 (output_prolog): Use rs6000_emit_prologue.
3560 (rs6000_emit_epilogue): Change a few variable names to be
3561 more accurate. Restore all 64 bits of the registers if
3562 TARGET_POWERPC64. Only restore the FP registers which were used
3563 if they are being saved/restored one-at-a-time.
3564 (output_mi_thunk): Delete inefficient code generation.
3565 (output_function_profiler): Don't use rs6000_output_load_toc_table.
3566 * rs6000.h: Declare rs6000_emit_load_toc_table,
3567 rs6000_allocate_stack_space, stmw_operation. Don't declare
3568 rs6000_output_load_toc_table.
3569 * rs6000.md (elf_high): Allow register 0, but discourage it
3571 (elf_low): Support loading into register 0.
3572 (load_toc_aix_si): New pattern.
3573 (load_toc_aix_di): New pattern.
3574 (load_toc_v4_pic_si): New pattern.
3575 (load_toc_v4_pic_di): New pattern.
3576 (load_toc_v4_PIC_1): New pattern.
3577 (load_toc_v4_PIC_1b): New pattern.
3578 (load_toc_v4_PIC_2): New pattern.
3579 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
3580 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
3581 (prologue): New expander.
3582 (movesi_from_cr): New pattern.
3583 (stmw): New pattern.
3584 (save_fpregs_si): New pattern.
3585 (save_fpregs_di): New pattern.
3587 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3589 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
3594 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3596 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
3598 (movsi_got_internal): Likewise.
3599 (movsi_got_internal+1): Likewise.
3600 (set_sp): 'unspec 7' does a SImode clobber.
3602 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3604 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
3605 allocate a stack temporary.
3606 (floatsidf2_internal): Likewise.
3607 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
3609 (floatunssidf2): Don't use the fpmem "register", just
3610 allocate a stack temporary.
3611 (floatunssidf2_internal): Likewise.
3612 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
3614 (floatsidf2_loadaddr): Delete.
3615 (floatsidf2_store1): Delete.
3616 (floatsidf2_store2): Delete.
3617 (floatsidf2_load): Delete.
3618 (fix_truncdfsi2): Don't use the fpmem "register", just
3619 allocate a stack temporary.
3620 (fix_truncdfsi2_internal_si): Delete.
3621 (fix_truncdfsi2_internal_di): Delete.
3622 (fix_truncdfsi2_internal): New insn.
3623 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
3624 (fix_truncdfsi2_store): Delete.
3625 (fix_truncdfsi2_load): Delete.
3626 (fctiwz): Produce gen_fctiwz.
3628 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
3630 * eabi.h (INVOKE__main): Define.
3631 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
3633 (rs6000_emit_prologue): Likewise.
3634 * rs6000.h (struct rs6000_stack): Don't keep track of whether
3635 this is the main program.
3637 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3639 * rs6000.c (rs6000_va_arg): Delete some unused variables.
3641 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3643 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
3644 goes after the argument.
3646 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3648 * rs6000.md: Document 'unspec' values used.
3649 (epilogue): New expander.
3650 (movesi_to_cr_one): New expander.
3651 (movesi_to_cr and following): New pattern.
3653 (return_internal_si): New pattern.
3654 (return_internal_di): New pattern.
3655 (return_and_restore_fpregs_si): New pattern.
3656 (return_and_restore_fpregs_di): New pattern.
3657 * rs6000.h: Declare new functions.
3658 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
3659 rather than rs6000_calls_p.
3660 (rs6000_makes_calls): Delete.
3661 (lmw_operation): New function.
3662 (mtcrf_operation): New function.
3663 (rs6000_emit_epilogue): New function.
3664 (output_epilog): Call rs6000_emit_epilogue and final if
3665 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
3667 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3669 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
3670 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
3671 * aix.h (SUBTARGET_SWITCHES): Document switches.
3672 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
3673 sched-prolog and sched-epilog the same. Document all the
3675 (TARGET_OPTIONS): No longer allow -mdebug-.
3677 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3679 * rs6000.h (ASM_FILE_END): Move to aix.h.
3680 (EXTRA_SECTIONS): Move to aix.h.
3681 (READONLY_DATA_SECTION): Move to aix.h.
3682 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
3683 (SELECT_SECTION): Move to aix.h.
3684 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
3685 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
3686 (LINK_REGISTER_REGNUM): New definition.
3687 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
3688 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
3690 * sysv4.h: Delete the code between the inclusion of rs6000.h
3692 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
3693 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
3694 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
3695 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
3696 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
3697 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
3698 (fix_truncdfsi2_internal_di): New pattern.
3699 (fix_truncdfsi2_store): The second arg here is Pmode too.
3700 (fix_truncdfsi2_load): The second arg here is Pmode too.
3701 (tablejumpdi): Now that switch tables hold only SImode values,
3702 gcc needs to know how to add them to the pc which is DImode.
3703 * rs6000.c (rs6000_stack_info): Use symbolic name for
3704 LINK_REGISTER_REGNUM.
3705 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
3706 (output_toc): Delete unused variables s1 and s2.
3707 (output_ascii): Use fputs not fprintf on a variable string.
3709 2000-01-07 David Edelsohn <edelsohn@gnu.org>
3711 * rs6000.c (processor_target_table): Add power3 as alias for 630.
3712 * aix43.h: Revert Aug 2 change.
3713 (HAS_INIT_SECTION): Define, not visible yet.
3714 (LD_INIT_SWITCH): Define, not visible yet.
3715 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
3717 2000-01-04 Joel Sherrill (joel@OARcorp.com>
3719 * config/rs6000/rtems.h: Include config/rtems.h.
3721 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3723 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
3724 (SLOW_UNALIGNED_ACCESS): Define.
3725 (CASE_VECTOR_MODE): Always use 32-bit offsets.
3726 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
3727 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
3728 (toc_section): Likewise and .toc pseudo-op.
3729 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
3731 (TEXT_SECTION_ASM_OP): Likewise.
3732 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
3735 1999-12-17 Jakub Jelinek <jakub@redhat.com>
3737 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
3738 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
3741 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3743 * rs6000.h: Move more stuff from here...
3745 * sysv4.h: Cleanup accordingly.
3746 * netware.h: Likewise
3748 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3750 * rs6000.h: Continue cleanup.
3753 * netware.h: Likewise.
3755 * sysv4.h: Likewise.
3756 * win-nt.h: Likewise.
3758 * rs6000.h (TARGET_SWITCHES): Add descriptions.
3759 (TARGET_OPTIONS): Likewise.
3761 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
3762 (SUBTARGET_OPTIONS): Likewise.
3764 * rs6000.md: Fix compile time warnings.
3766 2000-01-04 Geoff Keating <geoffk@cygnus.com>
3768 vxworks patches from the Cygnus tree originally by
3769 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
3770 <vmakarov@cygnus.com>.
3771 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
3772 (ENDFILE_SPEC): Likewise.
3773 (LIB_VXWORKS_SPEC): New macro.
3774 (STARTFILE_VXWORKS_SPEC): New macro.
3775 (ENDFILE_VXWORKS_SPEC): New macro.
3776 (LINK_START_VXWORKS_SPEC): New macro.
3777 (LINK_OS_VXWORKS_SPEC): New macro.
3778 (CPP_OS_VXWORKS_SPEC): New macro.
3779 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
3780 * vxppc.h: Rewrite to use proper configuration method.
3781 * vxppcle.h: New file.
3782 * ../../configure.in: Add powerpcle-wrs-vxworks*.
3783 * ../../configure: Rebuilt.
3785 2000-01-04 Geoff Keating <geoffk@cygnus.com>
3787 Lots of changes to rs6000.h, sysv4.h, aix.h,
3788 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
3789 with the aim that rs6000.h is the first header
3790 included and the others override it.
3793 * x-aix41-gld: Remove.
3795 * x-aix41: Remove target-specific switches, and don't specify
3796 -Wl,-bbigtoc as we don't need it any more.
3797 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
3798 Use t-aix43 for AIX 4.3 and above.
3799 * ../../configure: Regenerated.
3801 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
3802 options, that don't do anything yet.
3803 (MASK_SCHED_PROLOG): New macro.
3804 (MASK_SCHED_EPILOG): New macro.
3805 (TARGET_SCHED_PROLOG): New macro.
3806 (TARGET_SCHED_EPILOG): New macro.
3808 2000-01-04 Geoff Keating <geoffk@cygnus.com>
3810 * rs6000.c: Correct comment, the `minimal' TOCs are actually
3811 one per translation unit, not one per function.
3812 (output_toc): Also do duplicate constant elimination
3813 for per-translation-unit TOCs.
3815 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
3816 a comment explaining _exactly_ when this pattern gets used.
3817 (builtin_setjmp_receiver): New pattern for better clarity.
3818 (init_v4_pic): Move it into a section dealing with TOC registers.
3820 1999-12-30 Geoff Keating <geoffk@cygnus.com>
3822 * rs6000.c (toc_hash_table): New variable.
3823 (rs6000_hash_constant): New function.
3824 (toc_hash_function): New function.
3825 (toc_hash_eq): New function.
3826 (toc_hash_mark_entry): New function.
3827 (toc_hash_mark_table): New function.
3828 (output_toc): Don't output duplicate TOC entries in
3830 (rs6000_add_gc_roots): Add the hash table as a GC root.
3831 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
3832 where they clearly shouldn't be. This may need to be fixed
3833 later when there is a GNU ar for AIX.
3834 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
3835 Don't define BOOT_LDFLAGS as it is now not necessary.
3837 1999-12-29 Geoff Keating <geoffk@cygnus.com>
3839 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
3840 for va_list on AIX. Use unsigned_char_type_node rather than
3841 constructing our own version on svr4.
3843 1999-12-17 Geoff Keating <geoffk@cygnus.com>
3845 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
3846 since patently it's not.
3848 1999-12-08 Geoff Keating <geoffk@cygnus.com>
3850 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
3851 define_expand/define_insn pair, and handle restore of the
3852 SVR4 -fpic register.
3854 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
3856 * acconfig.h (HAVE_GAS_WEAK): New define.
3857 * configure.in (assembler weak support): Check for .weak support.
3858 * config.in, configure: Rebuilt.
3859 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
3860 HAVE_GAS_WEAK is defined.
3862 2000-03-15 Nick Clifton <nickc@cygnus.com>
3864 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
3867 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
3869 * cppfiles.c (open_include_file): New function.
3870 (find_include_file, cpp_read_file): Use it.
3872 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
3874 * cpphash.c (dump_hash_helper): Take the slot, not the element.
3876 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
3878 * flow.c (verify_flow_info): Check for unconditional return.
3880 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
3882 * config/ia64/ia64.md (restore_stack_nonlocal): New.
3883 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
3884 (__ia64_restore_stack_nonlocal): New.
3885 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
3887 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3889 * cpphash.c (collect_formal_parameters): Do not complain about
3890 parameter names that just start with `__VA_ARGS__'.
3892 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
3894 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
3895 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
3896 * i386.c (pentiumpro_cost): Set mul cost to 4.
3897 (x86_use_movx): Set for PPro.
3899 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
3901 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
3902 STACK_BOUNDARY for empty frames now.
3904 2000-03-14 Mark Mitchell <mark@codesourcery.com>
3906 * stor-layout.c (layout_union): Remove.
3907 (layout_union_field): New function, split out from layout_union.
3908 (finish_union_layout): Likewise.
3909 (layout_field): Handle unions by calling layout_union_field.
3910 (finish_record_layout): Handle unions.
3911 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
3912 QUAL_UNION_TYPE handling.
3914 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
3916 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
3917 end of basic block is jump_insn, not barrier; use create_basic_block
3918 instead of creating basic block by hand.
3920 2000-03-14 Jason Eckhardt <jle@cygnus.com>
3922 * flow.c (reorder_basic_blocks): Account for barriers when writing
3923 over NEXT_INSN (last_bb->end).
3924 (verify_flow_info): Add check for missing barriers.
3926 2000-03-14 Greg McGary <gkm@gnu.org>
3928 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
3929 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
3930 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
3931 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
3932 __unbounded, __unbounded__): New keywords.
3933 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
3934 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
3935 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
3937 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
3939 * cselib.h: New file.
3940 * alias.c: Include "cselib.h".
3941 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
3942 MEMs as two new arguments.
3943 (get_addr): New static function.
3944 (find_base_term): Handle VALUEs.
3945 (memrefs_conflict_p): Likewise.
3946 (true_dependence): Call get_addr on the addresses.
3947 Call fixed_scalar_and_varying_struct_p with addresses that have been
3948 passed through get_addr and canon_rtx.
3949 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
3950 with true_dependence.
3951 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
3952 * loop.c: Include "cselib.h".
3953 (load_mems): Process extended basic block that enters the loop with
3954 cselib. Use that information to change initialization of the shadow
3955 register so that a constant equivalence is seen by later passes.
3956 * reload1.c: Include "cselib.h".
3957 (reload_cse_invalidate_regno): Delete function.
3958 (reload_cse_mem_conflict_p): Likewise.
3959 (reload_cse_invalidate_mem): Likewise.
3960 (reload_cse_invalidate_rtx): Likewise.
3961 (reload_cse_regno_equal_p): Likewise.
3962 (reload_cse_check_clobber): Likewise.
3963 (reload_cse_record_set): Likewise.
3964 (reg_values): Delete static variable.
3965 (invalidate_regno_rtx): Likewise.
3966 (reload_cse_delete_noop_set): New static function.
3967 (reload_cse_simplify): New static function, broken out of
3969 (reload_cse_noop_set_p): Delete unused argument INSN.
3970 Just call rtx_equal_for_cselib_p on set source and destination.
3971 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
3972 reload_cse_delete_noop_set. Delete code to keep track of values; use
3973 cselib functions instead. Delete code to push/pop obstacks.
3974 (reload_cse_simplify_set): Use cselib to find equivalent values.
3975 Delete code to push/pop obstacks.
3976 (reload_cse_simplify_operands): Likewise.
3977 * rtl.def (VALUE): New rtx code.
3978 * rtl.h (union rtunion_def): New elt rt_cselib.
3979 (X0CSELIB, CSELIB_VAL_PTR): New macros.
3980 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
3981 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
3982 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
3983 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
3984 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
3985 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
3986 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
3987 cselib_record_set, cselib_record_sets): New static functions.
3988 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
3989 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
3990 references_value_p): New functions.
3991 (MAX_USELESS_VALUES, REG_VALUES): New macros.
3992 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
3993 n_useless_values, reg_values, callmem, cselib_obstack,
3994 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
3995 New static variables.
3996 * varray.h (union varray_data_tag): New elt te.
3997 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
3998 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
4001 2000-03-14 Nick Clifton <nickc@cygnus.com>
4003 * gcc.c (do_spec_1): Catch the case where %* is used in a
4004 substitution pattern, but it has not been initialised.
4005 Issue a meaningful error message if an unrecognised operator
4006 is encountered in a spec string.
4008 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
4010 * function.c (prepare_function_start): Correctly initialize
4011 cfun->stack_alignment_needed.
4013 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
4015 * cppfiles.c (find_include_file): Don't assume nshort is a
4018 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
4020 * configure.in (hppa configurations): Add pa32-regs.h to the
4021 list of tm files as appropriate.
4022 * configure: Rebuilt.
4023 * pa.c (compute_frame_size): Remove explicit knowledge about FP
4025 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
4026 (fmpyaddoperands, fmpysuboperands): Likewise.
4027 * pa.h: Remove various definitions which depend on knowing
4028 how registers are numbered.
4029 * pa32-regs.h: New file with PA32 register numbering specific
4032 2000-03-14 Richard Henderson <rth@cygnus.com>
4034 * regmove.c (combine_stack_adjustments): New.
4035 (stack_memref_p, single_set_for_csa): New.
4036 (free_csa_memlist, record_one_stack_memref): New.
4037 (try_apply_stack_adjustment): New.
4038 (combine_stack_adjustments_for_block): New.
4039 * rtl.h (combine_stack_adjustments): Declare.
4040 * toplev.c (rest_of_compilation): Call it.
4042 * i386.md: Revert 2000-01-16 change.
4044 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4046 * gccbug.in: Add web category, gcc specific classes.
4048 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
4050 * stor-layout.c (finalize_record_size): Fix typo.
4052 2000-03-14 Stan Shebs <shebs@apple.com>
4054 * c-typeck.c (c_alignof): Error on incomplete types.
4055 * extend.texi (Alignment): Document this.
4057 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4059 * cppfiles.c: Include mkdeps.h.
4060 (find_include_file, read_include_file): Remove _cpp_ prefix
4061 from name, make static.
4062 (_cpp_execute_include): New function, broken out of
4065 * cpplib.c: Don't include mkdeps.h.
4066 (struct directive): Remove type field. Reorder entries. The
4067 function takes only one argument.
4068 (struct if_stack): Make type field an int.
4069 (directive_table): Rename to dtable. Generate it, the
4070 prototypes of the directive handlers, and the enum for the
4071 directive numbers, from a template macro.
4072 (do_ifndef, do_include_next, do_import): New functions.
4073 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
4074 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
4075 do_ident, do_assert, do_unassert, do_sccs): Take only one
4077 (do_sccs): Define always, but alter behavior based on
4079 (_cpp_handle_directive, consider_directive_while_skipping):
4080 Restructure for new directive table layout.
4082 (pass_thru_directive): Take a directive number, not a pointer
4083 to a struct directive.
4084 (parse_include): New function, broken out of do_include.
4085 (do_include, do_import, do_include_next): Use parse_include
4086 and _cpp_execute_include.
4087 (do_elif, do_else): Test for T_ELSE specifically when checking
4088 for #elif/#else after #else.
4089 (parse_ifdef): New function, broken out of do_ifdef.
4090 (validate_else): Expect a name arg without a leading #.
4091 (if_directive_name): Delete.
4092 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
4093 directive handlers with only one argument.
4095 * cpphash.h: Update prototypes.
4096 (enum node_type): Remove entries for directives.
4097 * Makefile.in: Update dependencies.
4099 * cpphash.c (dump_hash_helper): Only dump nodes of type
4100 T_MACRO. Emit a newline after each definition.
4102 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4104 * gccbug.in: New file.
4105 * configure.in (all_outputs): Add gccbug.
4106 * Makefile.in (install-common): Install gccbug.
4107 (GCCBUG_INSTALL_NAME): New variable.
4108 * configure: Rebuilt.
4110 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
4112 * function.c (put_var_into_stack): Use type_for_mode to calculate
4113 part_type. Use MEM_SET_IN_STRUCT_P.
4114 * expr.c (store_field): Handle CONCAT.
4115 (store_constructor): Use fields_length.
4116 * tree.c (fields_length): New fn.
4117 * tree.h: Declare it.
4119 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4121 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
4122 (cpplex.o): New target.
4123 * po/POTFILES.in: Add cpplex.c.
4125 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
4126 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
4127 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
4128 skip_block_comment, skip_line_comment, skip_comment,
4129 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
4130 _cpp_parse_name, skip_string, parse_string,
4131 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
4132 _cpp_get_directive_token, find_position,
4133 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
4134 (maybe_macroexpand, _cpp_lex_token): New functions.
4136 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
4137 parse_goto_mark): Delete.
4138 (_cpp_handle_eof): New function.
4139 (_cpp_handle_directive): Rename from handle_directive.
4140 (_cpp_output_line_command): Rename from output_line_command.
4141 (do_if, do_elif): Call _cpp_parse_expr directly.
4142 * cppfiles.c (_cpp_read_include_file): Don't call
4143 init_input_buffer here.
4144 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
4145 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
4146 here; pop the token_buffer and skip the rest of the line here.
4147 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
4150 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
4152 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
4153 CPP_GOTO_MARK): New macros.
4154 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
4155 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
4156 _cpp_read_and_prescan, _cpp_init_input_buffer,
4157 _cpp_grow_token_buffer, _cpp_get_directive_token,
4158 _cpp_handle_directive, _cpp_handle_eof,
4159 _cpp_output_line_command): Prototype them here.
4160 * cpplib.h (enum cpp_token): Add CPP_MACRO.
4161 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
4162 quote_string, output_line_command): Remove.
4164 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
4166 * stmt.c (expand_end_case): RANGE may be signed, and when checking
4167 whether it is too large we must also verify that it isn't negative.
4169 2000-03-13 Jakub Jelinek <jakub@redhat.com>
4171 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
4172 (movsi_zero_liveg0): Remove.
4173 (movsf_insn_novis_liveg0): Remove.
4175 (negsi2_not_liveg0): Rename to negsi2.
4176 (one_cmplsi2): Remove.
4177 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
4178 (one_cmplsi2_liveg0): Remove.
4179 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
4180 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
4181 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
4182 (PREDICATE_CODES): Remove zero_operand.
4183 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
4184 TARGET_BROKEN_SAVERESTORE.
4185 (zero_operand): Remove.
4186 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
4187 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
4189 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4190 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
4191 TARGET_BROKEN_SAVERESTORE): Remove.
4192 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4194 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4196 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4199 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
4201 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4203 * cpplib.c (do_pragma_implementation): Fix off-by-one error
4204 truncating a string. Don't assume tokens are nul terminated.
4205 Problem noted by Andreas Jaeger <aj@suse.de>
4207 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
4209 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
4210 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
4211 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
4213 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
4215 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
4216 STRUCTURE_SIZE_BOUNDARY.
4218 2000-03-13 Mark Mitchell <mark@codesourcery.com>
4220 * tree.h (record_layout_info_s): New structure.
4221 (record_layout_info): New type.
4222 (new_record_layout_info): New function.
4223 (layout_field): Likewise.
4224 (finish_record_layout): Likewise.
4225 * stor-layout.c (layout_record): Remove.
4226 (new_record_layout_info): New function.
4227 (layout_field): New function, broken out from layout_record.
4228 (finalize_record_size): Likewise.
4229 (compute_record_mode): Likewise.
4230 (finalize_type_size): New function, broken out from layout_type.
4231 (finish_record_layout): Likewise.
4232 (layout_type): Use them.
4234 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
4236 * cpphash.c: Don't include version.h.
4237 (special_symbol) [case T_VERSION]: Look for the string in
4238 hp->value.cpval; don't use version_string.
4239 * cppinit.c (initialize_builtins): Set hp->value.cpval for
4240 __VERSION__ to version_string.
4241 * Makefile.in (cpphash.o): Update deps.
4243 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
4245 Convert cpplib to use libiberty/hashtab.c.
4247 * cpplib.h (struct cpp_reader): Make hashtab and
4248 all_include_files of type 'struct htab *'. Delete HASHSIZE
4249 and ALL_INCLUDE_HASHSIZE macros.
4251 * cpphash.h: Update prototypes.
4252 (struct hashnode): Remove next, prev, and bucket_hdr members.
4253 Make length a size_t. Add hash member.
4254 (struct ihash): Remove next member. Add hash member. Make
4255 name a flexible array member.
4257 * cppfiles.c: Include hashtab.h.
4258 (include_hash): Delete.
4259 (IHASHSIZE): New macro.
4260 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
4261 (cpp_included): Do the hash lookup here.
4262 (_cpp_find_include_file): Rewrite.
4263 (cpp_read_file): Put the "fake" hash entry into the hash
4264 table. Honor the control_macro, if it turns out we've seen
4265 the file before. Don't push the buffer here.
4266 (_cpp_read_include_file): Push the buffer here.
4267 (OMODES): New macro. Use it whenever we call open(2).
4269 * cpphash.c: Include hashtab.h.
4270 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
4271 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
4272 _cpp_lookup_slot): New functions.
4273 (HASHSIZE): new macro.
4274 (hashf, _cpp_install, _cpp_delete_macro): Delete.
4275 (_cpp_lookup): Use hashtab.h routines.
4277 * cppinit.c: Include hashtab.h.
4278 (cpp_reader_init): Call _cpp_init_macro_hash and
4279 _cpp_init_include_hash. Don't allocate hashtab directly.
4280 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
4281 pfile->all_include_files.
4282 (initialize_builtins): Use _cpp_make_hashnode and
4283 htab_find_slot to add hash entries.
4284 (cpp_finish): Just call _cpp_dump_macro_hash.
4285 * cpplib.c: Include hashtab.h.
4286 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
4287 create hash entries.
4288 (do_pragma_poison, do_assert): Likewise.
4289 (do_include): Don't push the buffer here. Don't increment
4290 system_include_depth unless _cpp_read_include_file succeeds.
4291 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
4293 (do_pragma_implementation): Use alloca to create copy.
4295 * Makefile.in: Update dependencies.
4297 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4299 * cppinit.c (cl_directive_handler): More K&R fixing.
4301 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
4303 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
4305 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
4307 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4309 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
4310 Change from char[] to macros.
4312 2000-03-12 Neil Booth <NeilB@earthling.net>
4314 * cppinit.c (cpp_start_read): Update indirect function
4317 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
4319 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
4322 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4323 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
4325 2000-03-11 Neil Booth <NeilB@earthling.net>
4327 * cppinit.c (struct pending option): Replace undef with a
4328 pointer to a directive handling routine.
4329 (struct cpp_pending): Replace separate assert_ and define_
4330 lists with one directive_ list.
4331 (new_pending_define): Rename new_pending_directive. Extra
4332 argument is the directive's handling routine.
4333 (handle_option): Update to use new_pending_directive.
4335 2000-03-11 Neil Booth <NeilB@earthling.net>
4337 * cppfiles.c (file_cleanup, _cpp_find_include_file,
4338 remap_filename, _cpp_read_include_file, actual_directory,
4339 hack_vms_include_specification): Replace bcopy(), index() etc
4340 calls. Add casts to some allocations. Make some variables
4341 pointers to const [unsigned] char.
4342 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
4343 collect_formal_parameters): Similarly.
4344 * cppinit.c (struct pending_option, append_include_chain,
4345 cpp_options_init, cpp_reader_init, initialize_standard_includes,
4346 cpp_start_read, new_pending_define, handle_option): Similarly.
4347 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
4348 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
4349 do_pragma_implementation, detect_if_not_defined,
4350 do_ifdef, skip_if_group, cpp_get_token, parse_string,
4351 do_assert, do_unassert): Similarly.
4352 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
4353 function prototypes.
4354 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
4356 2000-03-10 Richard Henderson <rth@cygnus.com>
4358 * builtins.c (expand_builtin_strlen): Revert last change.
4359 Use emit_insn_before if we're at the beginning of a sequence.
4361 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
4363 * builtins.c (expand_builtin_strlen): Make sure that we have something
4364 at the beginning of the sequence.
4366 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
4369 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
4371 2000-03-10 Richard Henderson <rth@cygnus.com>
4373 * except.c (can_throw): Use INTVAL on a CONST_INT.
4374 (reachable_handlers): Likewise.
4375 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
4377 2000-03-10 Andreas Jaeger <aj@suse.de>
4379 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
4380 MD_STARTFILE_PREFIX since those are not needed on linux.
4381 (ASM_FILE_START): New, from mips/gnu.h.
4383 2000-03-09 Richard Henderson <rth@cygnus.com>
4384 Alex Samuel <samuel@codesourcery.com> and others
4386 * Makefile.in (ssa.o): New rule.
4388 (STAGESTUFF): Add *.ssa and *.ussa.
4389 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
4390 * rtl.def (PHI): New RTL expression.
4391 * rtl.h (clear_log_links): New declaration.
4392 (convert_to_ssa): Likewise.
4393 (convert_from_ssa): Likewise.
4394 * flow.c (split_edge): If the entry node falls through to the
4395 split edge's source block, split the entry edge.
4396 (clear_log_links): New function.
4397 * toplev.c (ssa_dump): New variable.
4398 (flag_ssa): Likewise.
4399 (f_options): Add "ssa".
4400 (compile_file): Create SSA dump files.
4401 (rest_of_compilation): Go to and from SSA if enabled.
4402 (decide_d_option): Handle -de for SSA dump files.
4405 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
4407 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
4410 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
4412 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
4414 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
4416 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
4417 (MD_STARTFILE_PREFIX_1): New macro.
4419 2000-03-09 Robert Lipe <robertl@sco.com>
4421 * config/ia64/ia64.c: Include system.h.
4423 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
4425 * except.c (nothrow_function_p): If -fno-exceptions, just return.
4426 (init_eh_nesting_info): Likewise.
4428 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
4429 (TREE_NOTHROW): Rename from TREE_RAISES.
4430 * toplev.c (rest_of_compilation): Set it.
4431 * print-tree.c (print_node): Adjust.
4432 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
4433 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
4434 * calls.c (emit_call_1): Add 'nothrow' parm. Add
4435 REG_EH_REGION note as appropriate.
4436 (libfunc_nothrow): New fn.
4437 (emit_library_call, emit_library_call_value): Use it.
4438 (expand_call): Check TREE_NOTHROW.
4440 * varasm.c (make_decl_rtl): Skip initial '*' when setting
4441 DECL_ASSEMBLER_NAME.
4443 2000-03-09 Andreas Jaeger <aj@suse.de>
4445 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
4446 (TARGET_MEM_FUNCTIONS): Define.
4448 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
4450 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
4452 * except.c (can_throw): See through a SEQUENCE.
4453 (nothrow_function_p): New fn.
4454 * except.h: Declare it.
4455 * function.c (current_function_nothrow): New var.
4456 (prepare_function_start): Initialize it.
4457 * output.h: Declare it.
4458 * toplev.c (rest_of_compilation): Set it.
4459 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
4461 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
4463 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
4464 match. (cpp_compare_defs): Count the nul separator when
4465 advancing over argument names.
4467 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
4469 * recog.c (preprocess_constraints): Matching constraints affect
4470 same alternative/different operand, not same operand/different
4473 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
4474 register and a constant specially.
4476 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4478 * libgcc2.h: New file.
4479 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
4481 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
4483 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
4484 * configure: Regenerate.
4487 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
4489 * Makefile.in (LIBCPP_DEPS): New macro.
4490 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
4492 * cpperror.c: Include cpphash.h.
4493 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
4495 (lex): Don't use CPP_WARN_UNDEF.
4496 (_cpp_parse_expr): Return an int, the truth value.
4497 * cppfiles.c: Include cpphash.h.
4498 (_cpp_merge_include_chains): Move to cppinit.c and make static.
4499 * cppinit.c (include_defaults_array): Disentangle.
4500 (cpp_cleanup): Don't free the if stack here.
4501 (cpp_finish): Pop off all buffers, not just one.
4502 * cpplib.c (eval_if_expr): Return int.
4503 (do_xifdef): Rename do_ifdef.
4504 (handle_directive): Don't use CPP_PREPROCESSED.
4505 (cpp_get_token): Don't use CPP_C89.
4506 * fix-header.c: Don't use CPP_OPTIONS.
4508 * cpplib.h: Move U_CHAR, enum node_type, struct
4509 file_name_list, struct ihash, is_idchar, is_idstart,
4510 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
4511 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
4512 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
4513 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
4514 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
4515 of _cpp_simplify_pathname, _cpp_find_include_file,
4516 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
4517 Move struct if_stack to cpplib.c. Move struct cpp_pending to
4519 Change all uses of U_CHAR to be unsigned char instead.
4520 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
4522 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
4524 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
4525 (dwarf2out_begin_prologue): Set it.
4526 (output_call_frame_info): Don't emit EH unwind info for leaves.
4528 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
4529 can occur outside of an EH region.
4530 * except.c: Correct comments about rethrow behavior.
4531 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
4533 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
4535 * flow.c (make_edges): Always call make_eh_edge for calls.
4537 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
4539 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
4540 (struct cpp_buffer): Remove fname and underflow fields.
4541 (struct cpp_reader): Remove get_token field.
4542 (struct include_hash): Rename to struct ihash. Add typedef to
4544 (struct if_stack): Remove fname field.
4545 (IF_STACK_FRAME): Rename to IF_STACK.
4547 * cpperror.c (print_containing_files): Trust that there are no
4548 macro buffers below the top file buffer.
4549 * cppfiles.c: Replace all references to 'struct include_hash'
4550 with 'IHASH'. Rename initialize_input_buffer to
4551 init_input_buffer. Don't set or reference cpp_buffer->fname,
4552 use buffer->ihash->name instead.
4553 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
4554 not CPP_NULL_BUFFER.
4555 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
4556 IF_STACK_FRAME, IHASH not struct include_hash.
4557 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
4558 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
4559 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
4560 references to cpp_buffer->fname (delete entirely, or use
4561 ->ihash->name instead) and IF_STACK->fname.
4562 (cpp_push_buffer): Don't set new->underflow.
4563 (do_include): Use cpp_file_buffer.
4565 * cpphash.c (collect_formal_parameters): Remove duplicate
4566 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
4567 used as a macro argument name. Don't append "..." to namebuf
4568 for varargs macros. After we're done scanning, go through
4569 namebuf and make it NUL separated, not comma separated.
4570 (_cpp_compare_defs): Remove register tag from variables.
4571 Expect defn->argnames to be NUL separated.
4572 (_cpp_dump_definition): Expect defn->argnames to be NUL
4573 separated and in forward order.
4574 * cpphash.h: Update documentation of argnames field.
4576 2000-03-08 Richard Henderson <rth@cygnus.com>
4578 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
4579 to fail. Don't pre-expand the source operand.
4581 * i386.md (strlensi): Initialize eoschar and align before use.
4583 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
4585 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
4586 CONSTRUCTOR element.
4588 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
4590 * mips.c (mips_expand_prologue): If the last
4591 named argument is the vararg marker "va_list", treat it as
4592 an unnamed argument.
4594 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
4596 * dbxout.c (dbxout_parms): When correcting for promoted
4597 big-endian parameters, use the mode of the DECL_RTL rather
4598 than UNITS_PER_WORD.
4600 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
4602 * c-common.h (make_fname_decl): Declare.
4603 * c-common.c (make_fname_decl): Define.
4604 (declare_hidden_char_array): Remove.
4605 (declare_function_name): Use make_fname_decl.
4606 * c-decl.c (c_make_fname_decl): New function.
4607 (init_decl_processing): Set make_fname_decl.
4609 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
4611 * cccp.c (handle_directive): Initialize backslash_newlines_p.
4613 2000-03-07 Philipp Thomas <pthomas@suse.de>
4615 * po/POTFILES.in: Remove cppalloc.c from file list.
4617 2000-03-07 Steve Chamberlain <sac@pobox.com>
4619 * pj.c (pj_expand_prologue): current_function->args_info is
4620 now current_function_args_info.
4622 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
4623 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
4624 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
4626 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4628 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
4629 output as hexadecimal rather than the default octal.
4631 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
4633 * cpphash.c (special_symbol): Fix thinko in previous commit.
4635 2000-03-07 Neil Booth <NeilB@earthling.net>
4637 * cppexp.c (struct operation, left_shift, right_shift,
4638 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
4639 "int"s to "unsigned int"s.
4640 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
4642 * cpplib.h: Update for above.
4643 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
4644 returned from allocations.
4646 * cppinit.c (opt_comp, parse_options): New functions.
4647 (handle_option): Use parse_option to parse a single command
4648 line option, that possibly takes an argument.
4649 (cpp_handle_options): Sort the array of command line options on
4650 first invocation (non-ASCII hosts only).
4651 (print_help): Update.
4653 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
4655 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
4656 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
4658 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
4660 * cppinit.c (cpp_cleanup): Free imp->nshort also.
4662 * cpperror.c (cpp_print_containing_files,
4663 cpp_print_file_and_line, v_cpp_message): Rename to
4664 print_containing_files, print_file_and_line, and v_message.
4665 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
4666 to _cpp_parse_expr, parse_escape, and lex.
4667 (parse_charconst): Remove broken multibyte support.
4668 * cppfiles.c (include_hash): Make static.
4669 (cpp_included): New function.
4670 (merge_include_chains, find_include_file, finclude,
4671 simplify_pathname): Rename to _cpp_merge_include_chains,
4672 _cpp_find_include_file, _cpp_read_include_file, and
4673 _cpp_simplify_pathname.
4674 * cpphash.c (cpp_lookup, free_definition, delete_macro,
4675 cpp_install, create_definition, macroexpand, compare_defs,
4676 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
4677 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
4678 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
4679 * cppinit.c (cpp_handle_option): Rename to handle_option, make
4681 * cpplib.c: Remove extern prototype of cpp_parse_expr.
4683 * cpphash.h: Update prototypes.
4684 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
4686 2000-03-07 Andrew Haley <aph@cygnus.com>
4688 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
4689 PTRDIFF_TYPE should be based solely on Pmode.
4692 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4694 * rtl.h (rtunion_def): Constify member `rtstr'.
4695 (emit_line_note_after, emit_line_note, emit_line_note_force,
4696 emit_note, decode_asm_operands): Constify.
4698 * cse.c (canon_hash): Likewise.
4700 * dbxout.c (dbxout_block): Likewise.
4702 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
4703 v_warning_for_asm): Likewise.
4705 * dwarfout.c (function_start_label): Likewise.
4707 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
4708 emit_line_note_force): Likewise.
4710 * final.c (last_filename, asm_insn_count, final_scan_insn,
4711 output_source_line): Likewise.
4713 * function.h (struct emit_status): Likewise.
4715 * gcse.c (hash_expr_1): Likewise.
4717 * genattr.c (gen_attr, main): Likewise.
4719 * genattrtab.c (struct function_unit, current_alternative_string,
4720 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
4721 attr_numeral, check_attr_test, check_attr_value,
4722 convert_set_attr_alternative, convert_set_attr,
4723 compute_alternative_mask, simplify_by_exploding, gen_attr,
4724 gen_unit): Likewise.
4726 * genflags.c (gen_insn): Likewise.
4728 * gengenrtl.c (type_from_format): Likewise.
4730 * genopinit.c (gen_insn): Likewise.
4732 * genoutput.c (n_occurrences, process_template, process_template):
4735 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
4738 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
4741 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
4742 ggc_set_mark, ggc_get_size): Likewise.
4744 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
4746 * optabs.c (init_one_libfunc): Likewise.
4748 * output.h (assemble_start_function): Likewise.
4750 * recog.c (decode_asm_operands): Likewise.
4752 * toplev.c (rest_of_compilation): Likewise.
4754 * tree.h (emit_line_note_after, emit_line_note,
4755 emit_line_note_force): Likewise.
4757 * varasm.c (asm_output_bss, asm_output_aligned_bss,
4758 asm_emit_uninitialised, assemble_start_function,
4759 assemble_variable, const_hash, compare_constant_1,
4760 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
4762 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
4764 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
4766 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
4768 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
4770 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
4771 arm_dllimport_name_p): Likewise.
4773 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
4776 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
4778 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4780 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
4781 arm_mark_dllexport, arm_mark_dllimport,
4782 arm_pe_encode_section_info): Likewise.
4784 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
4785 ASM_FINISH_DECLARE_OBJECT): Likewise.
4787 * arm/thumb.c (thumb_function_prologue): Likewise.
4789 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
4791 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4793 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
4795 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
4797 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
4799 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4801 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
4802 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
4804 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
4806 * i386/i386.c (asm_output_function_prefix): Likewise.
4808 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
4810 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4812 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
4814 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
4815 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
4816 ASM_OUTPUT_SECTION_NAME): Likewise.
4818 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
4820 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
4822 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
4824 * m32r/m32r.c (m32r_encode_section_info): Likewise.
4826 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4828 * mcore/mcore.c (mcore_encode_section_info): Likewise.
4830 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4832 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4834 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4836 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
4838 * mips/mips.md (movdi, movsi): Likewise.
4840 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4842 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4844 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4846 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
4847 ASM_OUTPUT_ASCII): Likewise.
4849 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
4850 output_mi_thunk, output_toc): Likewise.
4852 * rs6000/rs6000.md (movsi): Likewise.
4854 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
4856 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
4858 * v850/v850.c (print_operand, print_operand_address,
4859 v850_encode_data_area): Likewise.
4861 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
4863 * config/mips/mips.md (zero_extendsidi2): Always force operand
4864 one to memory for mips16.
4866 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4868 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
4869 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
4870 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
4871 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
4872 (min_precision): Result is unsigned.
4873 (add_double, neg_double, mul_double): Low word is unsigned.
4874 (lshift_double, rshift_double, lrotate_double): Likewise.
4875 (rrotate_double, div_and_round_double): Likewise.
4876 (tree_floor_log2, compare_tree_int): New functions.
4877 (preserve_rtl_expr_temps): New declaration.
4878 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
4879 (decl_attributes): Use tree_log2 to find alignment.
4880 Check for TREE_INT_CST_HIGH for format args.
4881 (min_precision): Now unsigned.
4882 Use tree_floor_log2.
4883 (truthvalue_conversion): Delete long-disabled code.
4884 * c-decl.c (finish_struct): Clean up tests on field width.
4885 (finish_function): Use compare_tree_int.
4886 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
4887 * c-typeck.c (comptypes): Use tree_int_cst_equal.
4888 (default_conversion, digest_init): Use compare_tree_int.
4889 (build_binary_op): Use integer_all_onesp and compare_tree_int.
4890 Fix type errors in forming masks.
4891 * calls.c (initialize_argument_information): Use compare_tree_int.
4892 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
4893 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
4894 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
4895 (store_field): Use compare_tree_int.
4896 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
4897 (expand_expr, case ARRAY_REF): Use compare_tree_int.
4898 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
4899 (do_store_flag): Use compare_tree_int.
4900 * fold-const.c (encode, decode): Low part is always unsigned.
4901 (force_fit_type, add_double, neg_double, mul_double): Likewise.
4902 (lshift_double, rshift_double, lrotate_double): Likewise.
4903 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
4904 (fold_convert): Use compare_tree_int.
4905 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
4906 (invert_truthvalue, case INTEGER_CST): Likewise.
4907 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
4908 * mkdeps.c (deps_dummy_targets): Make I unsigned.
4909 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
4910 (lshift_double, rshift_double, lrotate_double, rrotate_double):
4912 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
4913 (expand_end_case): Use compare_tree_int.
4914 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
4915 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
4916 (layout_decl): Likewise.
4917 (layout_record, layout_union): Make sizes unsigned.
4918 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
4919 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
4920 * tree.c (struct type_hash): hashcode is unsigned.
4921 (build_type_attribute_variant, type_hash_list): Likewise.
4922 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
4923 (attribute_hash_list, build_array_type, build_method_type): Likewise.
4924 (build_complex_type): Likewise.
4925 (real_value_from_int_cst): Remove unneeded casts.
4926 (integer_all_onesp): Add casts.
4927 (tree_floor_log2, compare_tree_int): New functions.
4928 (build_index_type): Use tree_int_cst_sgn.
4929 * varasm.c (assemble_variable): Use compare_tree_int.
4931 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
4933 * cpphash.c (collect_expansion): Also catch ## at start of macro.
4935 * varasm.c (make_decl_rtl): Don't add a number to members of
4937 (make_function_rtl): Likewise.
4939 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4941 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
4942 patch from 2000-01-28.
4944 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
4946 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
4947 filled with an insn from the jump target.
4949 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4951 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
4952 (c4x_external_ref): Likewise.
4953 * config/c4x/c4x.c (struct name_list): Likewise.
4955 1999-12-16 Ben Collins <bcollins@debian.org>
4957 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
4958 argument to genmultilib.
4959 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
4960 the contents into the multilib.h header.
4961 * gcc.c: Declare multilib_exclusions for the specs file.
4962 (set_multilib_dir): Use it.
4963 (print_multilib_info): Likewise.
4964 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
4965 to pass to genmultilib.
4967 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4969 * builtins.c (built_in_class_names, built_in_names): Constify a
4972 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
4974 (_mcleanup): Ensure value matches format specifier in sprintf.
4976 * cpphash.c (special_symbol): Don't needlessly cast away
4979 * cppinit.c (base_name): Delete unused prototype.
4981 * mkdeps.c (deps_init): Make definition K&R safe.
4983 * tree.h (built_in_class_names, built_in_names): Constify a
4986 2000-03-06 Jakub Jelinek <jakub@redhat.com>
4988 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
4989 floating point instructions for epilogue delay.
4991 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
4992 to gas if it supports .register pseudo.
4994 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
4995 LONG_DOUBLE_TYPE_SIZE if not defined.
4996 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
4997 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
4999 * gengenrtl.c: Likewise.
5000 * print-rtl.c: Likewise.
5002 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
5003 MASK_LONG_DOUBLE_128.
5004 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
5005 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
5006 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
5007 (SUBTARGET_SWITCHES): Define.
5008 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
5009 with -mlong-double-128.
5010 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
5011 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5012 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
5013 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
5014 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
5015 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
5016 with -mlong-double-128.
5017 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
5018 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5019 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
5020 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
5021 TARGET_LONG_DOUBLE_128): Define.
5022 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
5023 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
5024 long double on TARGET_ARCH64.
5026 2000-03-06 Mark Mitchell <mark@codesourcery.com>
5028 * function.c (free_temps_for_rtl_expr): Don't free slots
5029 that have been pushed into a higher level.
5032 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5034 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5036 * basic-block.h (ALLOCA_REG_SET): Remove.
5037 (INITIALIZE_REG_SET): New macro.
5038 * flow.c (update_life_info): Use it.
5039 (calculate_global_regs_live): Likewise.
5040 (propagate_block): Likewise.
5041 * global.c (build_insn_chain): Likewise.
5042 * haifa-sched.c (schedule_region): Likewise.
5044 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
5046 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
5047 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
5048 (DWARF_ARANGES_PAD_SIZE): New define.
5049 (output_aranges): Use it to pad the address range header.
5050 (DWARF_ROUND): Fix for non power of 2 rounding.
5052 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
5054 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
5056 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5058 * tree.def (RTL_EXPR): Update documentation.
5059 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
5060 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
5061 * function.c (preserve_rtl_expr_temp): New function.
5062 (preserve_rtl_expr_temps): Likewise.
5063 (preserve_rtl_expr_result): Use it.
5066 2000-03-04 Mark Mitchell <mark@codesourcery.com>
5068 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
5070 * regmove.c (copy_src_to_dest) Do not create src->dest move
5071 for unchanging destination.
5073 2000-03-04 Mark Mitchell <mark@codesourcery.com>
5075 * function.h (struct sequence_stack): Remove rtl_expr.
5076 (struct emit_staus): Likewise.
5077 (seq_rtl_expr): Remove.
5078 * tree.h (free_temps_for_rtl_expr): Don't declare.
5079 (start_sequence_for_rtl_expr): Likewise.
5080 * rtl.h (preserve_rtl_expr_result): Likewise.
5081 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
5082 (start_sequence_for_rtl_expr): Remove.
5083 (push_topmost_sequence): Don't save sequence_rtl_expr.
5084 (pop_topmost_sequence): Remove comment about not restoring it.
5085 (end_sequence): Don't set seq_rtl_expr.
5086 (init_emit): Don't initialize it.
5087 (mark_sequence_stack): Don't mark it.
5088 (mark_emit_status): Likewise.
5089 * except.c (protect_with_terminate): Use
5090 start_sequence_for_rtl_expr, not start_sequence.
5091 * expr.c (expand_expr, case RTL_EXPR): Don't call
5092 preserve_rtl_expr_result or free_temps_for_rtl_expr.
5093 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
5094 (preserve_rtl_expr_result): Remove.
5095 (free_temps_for_rtl_expr): Likewise.
5096 (pop_temp_slots): Likewise.
5097 (mark_temp_slot): Don't mark the rtl_expr.
5098 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
5099 start_sequence_for_rtl_expr.
5101 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
5103 * mkdeps.c, mkdeps.h: New files.
5104 * po/POTFILES.in: Add them.
5105 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
5106 (cpplib.o, cppinit.o): Depend on mkdeps.h.
5107 (mkdeps.o): New target.
5109 * cppfiles.c: Delete deps_output.
5110 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
5111 OBJECT_SUFFIX, and base_name.
5112 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
5114 (initialize_dependency_output): Use deps_init,
5115 deps_add_target, deps_calc_target, and deps_add_dep. Remove
5116 all the unnecessary string bashing.
5117 (cpp_finish): Use deps_write. Remove an unnecessary nesting
5119 * cpplib.c (do_include): Use deps_add_dep.
5120 * cpplib.h (struct cpp_reader): Replace deps_buffer,
5121 deps_allocated_size, deps_size, deps_column members with
5122 single pointer to a struct deps. Delete prototype of
5125 * cppinit.c: Fix thinko in previous patch.
5127 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5129 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
5130 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
5131 (mode_for_size_tree): New function.
5132 (layout_decl, layout_type): Call it and clean up BLKmode checks.
5133 * tree.h (mode_for_size_tree): New declaration.
5135 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
5137 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
5139 * stmt.c (is_body_block): Move...
5140 * dwarfout.c, dwarf2out.c: ...from here.
5141 * tree.h: Declare it.
5142 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
5143 * final.c (final_start_function): Do call remove_unnecessary_notes
5146 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
5148 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
5150 * cpplib.h (_dollar_ok): New macro.
5151 (is_idchar, is_idstart): Use it.
5152 (IStable): Rename to _cpp_IStable. Declare it const if
5153 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
5154 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
5155 is_space): Update for renamed IStable.
5157 * cppinit.c: Delete all references to FAKE_CONST and CAT
5158 macros. Define init_IStable as empty macro if gcc >=2.7 or
5159 C99. Change TABLE() to ISTABLE and hardcode name of table.
5160 (cpp_start_read): Don't change the IStable based on
5163 * cpphash.c (unsafe_chars): Add pfile argument. All callers
5164 changed. Handle '$' for char1 correctly.
5165 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
5167 * cppexp.c (tokentab2): Make const.
5168 (cpp_lex): Make toktab const.
5169 * cppinit.c (include_defaults_array): Make const.
5170 (initialize_standard_includes): Make default_include const.
5172 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
5174 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
5175 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
5176 (gen_decl_die): Likewise.
5177 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
5178 (output_decl): Likewise.
5180 * varasm.c (make_function_rtl): If we change the name used in the
5181 rtl, update DECL_ASSEMBLER_NAME accordingly.
5182 (make_decl_rtl): Likewise.
5184 * toplev.c (rest_of_compilation): Tweak formatting.
5186 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
5187 remove_unnecessary_notes.
5188 (debug_ignore_block): New fn.
5189 * toplev.h: Declare it.
5190 * emit-rtl.c (remove_unncessary_notes): Call it.
5191 * dwarf2out.c (dwarf2out_ignore_block): New fn.
5192 * dwarf2out.h: Declare it.
5193 * final.c (final_start_function): Don't call remove_unnecessary_notes
5194 if we did insn scheduling.
5196 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
5198 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
5199 * cpplib.h: Delete SET_CPP_PEDANTIC.
5201 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5203 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
5204 result is a RECORD_TYPE.
5206 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
5208 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
5210 2000-03-03 Richard Henderson <rth@cygnus.com>
5212 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
5213 addition over compliments over shifts.
5215 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5217 * reload1.c (reload_combine_note_use): Handle return register USEs.
5218 REG case: Handle multi-hard-register hard regs.
5220 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5222 * md.texi: Document use of '*' in insn pattern name.
5224 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
5226 * calls.c (special_function_p): operator new may not be malloc-like.
5228 * gcse.c (dump_hash_table): Really fix error in last change.
5230 2000-03-02 Denis Chertykov <denisc@overta.ru>
5232 * avr.c (print_operand): Use print_operand_address instead of
5234 * avr/libgcc.S: Cleanup code.
5236 2000-03-02 Richard Henderson <rth@cygnus.com>
5238 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
5240 2000-03-02 Mark Mitchell <mark@codesourcery.com>
5242 * tree.h (TYPE_ALIGN_UNIT): New macro.
5244 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
5246 * i386.c: (constant_call_address_operand): Reject CONST_INT.
5248 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
5250 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
5252 (SET_CPP_PEDANTIC): New macro.
5253 * cpplib.c (do_include): Don't bother checking system_header_p.
5254 (do_warning, do_ident, do_assert, do_unassert): Likewise.
5255 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
5257 * function.h (struct expr_status): Add x_arg_space_so_far.
5258 (arg_space_so_far): New macro.
5259 * expr.c (init_expr): Initialize it.
5260 * calls.c (emit_call_1): Reset it.
5261 (compute_argument_block_size, expand_call): Use it.
5262 (expand_call, store_one_arg): Increment it.
5264 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5266 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
5269 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
5271 * cppfiles.c (cpp_read_file): New function.
5273 * cpphash.c (collect_expansion): Make sure to reset last_token
5274 to NORM when we hit a string. Handle trailing whitespace
5275 properly when the expansion is empty.
5276 (create_definition): Disable line commands while parsing the
5278 (dump_definition): If pfile->lineno == 0, output a line
5279 command ahead of the dump, and add a trailing newline.
5281 * cppinit.c (append_include_chain): Add fifth argument, which
5282 indicates whether or not system headers are C++ aware.
5283 (initialize_standard_includes): New function,
5284 broken out of read_and_prescan. Pass 'cxx_aware' value from
5285 the include_defaults_array on to append_include_chain.
5286 (dump_special_to_buffer): Const-ify char array.
5287 (builtin_array): Don't dump __BASE_FILE__.
5288 (cpp_start_read): Use cpp_read_file. Reorder code for
5289 clarity. Don't output line commands here for -D/-A/-U
5290 switches. Don't call deps_output for files included with
5291 -include or -imacros.
5293 * cpplib.c (do_define): Don't pay any attention to the second
5295 (cpp_expand_to_buffer): Disable line commands while scanning.
5296 (output_line_command): Work in the file buffer.
5297 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
5298 Fix formatting of comments. Prototype cpp_read_file.
5300 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5302 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
5303 reference the language-equivalent of sizetype.
5304 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
5305 * fold-const.c (size_binop, size_diffop): Put back checks.
5306 * gcse.c (dump_hash_table): Fix minor error in last change.
5307 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
5308 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
5311 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
5313 * calls.c (expand_call) Do not attempt to combine stack adjustments
5314 with inhibit_defer_pop set.
5316 2000-03-01 Mark Mitchell <mark@codesourcery.com>
5318 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
5319 the DECL_SIZE for a FIELD_DECL.
5321 2000-03-01 Bruce Korb <bkorb@gnu.org>
5323 * fixinc/inclhack.tpl: remove unused symlinks
5324 * fixinc/README: GCC Maintainer info
5325 * fixinc/inclhack.sh: regen
5326 * fixinc/fixincl.sh: regen
5328 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
5330 * cpphash.c (collect_expansion): Trim trailing white space
5331 from macro definitions, but don't go past the last insertion
5334 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
5336 * i386.md (mulqi3): New pattern.
5338 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
5340 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
5342 (struct cpp_reader): Add parsing_if_directive and
5343 parsing_define_directive flags.
5344 (struct cpp_options): Remove output_conditionals flag.
5345 (check_macro_name): Delete prototype.
5347 * cpphash.h (struct macrodef): Delete.
5348 (struct reflist): Separate from struct definition.
5349 (struct definition): Remove unused fields. Add column number.
5350 (create_definition): Returns a DEFINITION *. Takes a
5351 cpp_reader * and an int.
5353 * cpphash.c (SKIP_WHITE_SPACE): Delete.
5354 (PEEKC): Copy defn from cpplib.c.
5355 (rest_extension, REST_EXTENSION_LENGTH): Delete.
5357 (struct arglist): Simplify.
5358 (collect_expansion): Rewrite. Get tokens by calling
5359 cpp_get_token. Add more error checking.
5360 (collect_formal_parameters): New function, broken out of
5361 create_definition and reworked to use get_directive_token.
5362 (create_definition): All real work is now in collect_expansion
5363 and collect_formal_parameters. do_define handles finding the
5364 macro name. Return a DEFINITION, not a MACRODEF.
5365 (macroexpand): Replace bcopy with memcpy throughout. Replace
5366 character-at-a-time copy loop with memcpy and pointer increments.
5367 (compare-defs): d1->argnames / d2->argnames might be null.
5369 * cpplib.c (copy_rest_of_line): Delete function.
5370 (skip_rest_of_line): Do all the work ourselves.
5371 (skip_string): New function.
5372 (parse_string): Use skip_string.
5373 (get_macro_name): New function.
5374 (check_macro_name): Delete.
5375 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
5376 (cpp_skip_hspace): Use CPP_BUMP_LINE.
5377 (handle_directive): ICE if we're called on a macro buffer.
5378 (do_define): Determine macro name and type (funlike/objlike)
5379 here. Expunge all uses of MACRODEF.
5380 (cpp_push_buffer): Set line_base to NULL.
5381 (do_undef, read_line_number): Don't worry about getting a POP token.
5382 (eval_if_expression): Set/reset parsing_if_directive around
5383 cpp_parse_expr. Don't clear only_seen_white.
5384 (skip_if_group): Remove output_conditionals logic. Use
5386 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
5387 tokens under appropriate conditions.
5388 (cpp_unassert): Call do_unassert not do_assert. Oops.
5390 * cppexp.c (parse_defined): New function, break out of
5392 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
5393 ourselves, with cpp_defined.
5394 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
5396 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
5397 * gcc.dg/strpaste-2.c: New.
5399 2000-02-29 Mark Mitchell <mark@codesourcery.com>
5401 * fold-const.c (size_binop): Don't asert inputs are the same and
5402 have TYPE_IS_SIZETYPE set.
5403 (size_diffop): Likewise.
5405 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
5407 * dwarfout.c (output_block): Output abstract blocks even if they
5408 don't have TREE_ASM_WRITTEN set.
5410 * calls.c (emit_library_call): Check for null REG.
5412 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
5414 * c-decl.c (current_function_decl): Move to toplev.c.
5415 (init_decl_processing): Don't add current_function_decl as a ggc
5417 * dbxout.c (dbxout_symbol): Change return type to int.
5418 (dbxout_symbol_location, dbxout_syms): Likewise.
5419 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
5420 any locals. Use current_function_func_begin_label if set.
5421 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
5422 * dwarf2out.c (dwarf2out_begin_prologue): Set
5423 current_function_func_begin_label.
5424 * final.c (final_start_function): Reset it.
5425 * toplev.c (current_function_decl): Define it here.
5426 (current_function_func_begin_label): New variable.
5427 (main): Add both as ggc roots.
5428 * tree.h (current_function_func_begin_label): Declare.
5430 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5432 * gcse.c: Cleanups throughout: mostly white-space, but also
5433 some minor rearrangement of code.
5435 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
5437 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
5438 returns a PARALLEL. Use emit_group_load and use_group_regs
5440 (emit_library_call_value): Similarly.
5442 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
5443 * pa/quadlib.asm: Remove.
5444 * pa/quadlib.c: New file.
5446 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
5447 * configure: Rebuilt.
5449 2000-02-29 Philip Blundell <pb@futuretv.com>
5451 * config/arm/conix-elf.h: New file.
5452 * configure.in (arm*-*-conix*): New configuration.
5453 * configure: Regenerate.
5455 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
5457 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
5458 don't have TREE_ASM_WRITTEN set.
5460 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5462 * Eliminate DECL_FIELD_SIZE.
5463 * builtins.c (built_in_class_names, built_in_names): New variables.
5464 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
5465 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
5466 DECL_SIZE, not DECL_FIELD_SIZE.
5467 * print-tree.c (print_node): Remove code that prints extra blank
5468 lines in some cases.
5469 Properly handle inline and builtin function cases.
5470 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
5471 * tree.h (built_in_class_named, built_in_names): New declarations.
5472 (union tree_decl): Rename internal unions to u1 and u2 and change
5473 some of their components.
5474 Add new field built_in_class.
5475 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
5476 Reflect above changes.
5477 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
5478 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
5479 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
5480 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
5482 2000-02-28 Dmitri Makarov <dim@windriver.com>
5484 * extend.texi: Document ARM's support for long/short calls.
5486 * invoke.texi: Document ARM's -mlong-calls command line switch.
5488 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
5489 (arm_encode_call_attribute): Add prototype.
5490 (arm_set_default_type_attribute): Add prototype.
5491 (arm_strip_name_encoding): Add prototype.
5493 * config/arm/arm.c (arm_init_cumulative_args): replace
5494 initialisation og 'long_calls' field with initialisation of
5495 'call_cookie' field.
5496 (enum arm_pragma_enum): New enum.
5497 (arm_pragma_long_calls): New static variable.
5498 (arm_process_pragma): Also process "#pragma long_calls_off".
5499 (arm_valid_type_attribute_p): Accept short_call attribute.
5500 (arm_comp_type_attributes): Check long/short call attributes.
5501 (arm_encode_call_attribute): New function: Encode long_call
5502 or short_call attribute in function name.
5503 (arm_set_default_type_attributes): New function: Assign
5504 default attributes to newly defined type.
5505 (current_file_function_operand): New function: Return true if
5506 the symbol is a function which has already been compiled.
5507 (arm_is_longcall_p): New function: Return true if the
5508 indicated function should be called via a long call.
5509 (arm_get_strip_length): New function. Returns number of
5510 prefix characters to be stripped from a function's name.
5511 (arm_strip_name_encoding): New function. Strip prefix characters
5512 from a function's name.
5514 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
5516 (SHORT_CALL_FAG_CHAR): Define.
5517 (LONG_CALL_FAG_CHAR): Define.
5518 (ENCODED_SHORT_CALL_ATTR_P): Define.
5519 (ENCODED_LONG_CALL_ATTR_P): Define.
5520 (ARM_NAME_ENCODING_LENGTHS): Define.
5521 (STRIP_NAME_ENCODING): Define.
5522 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
5523 (ARM_ENCODE_CALL_TYPE): Define.
5524 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
5525 (ARM_DECLARE_FUNCTION_SIZE): Define.
5526 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
5528 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
5529 if a long call is needed.
5530 (call_value): Ditto.
5531 (call_symbol): Ditto.
5533 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
5534 ARM_DECLARE_FUNCTION_SIZE.
5536 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
5537 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
5538 (ARM_STRIP_NAME_ENCODING): Undefine.
5539 (STRIP_NAME_ENCODING): Undefine.
5540 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
5541 (ASM_DECLARE_FUNCTION_NAME): Ditto.
5542 (ASM_OUTPUT_COMMON): Ditto.
5543 (ASM_DECLARE_OBJECT_NAME): Ditto.
5545 * config/arm/pe.c (arm_dllexport_name_p): Check for
5547 (arm_dllimport_name_p): Ditto.
5548 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
5549 (arm_mark_dllimport): Ditto.
5551 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5553 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
5555 2000-02-28 Mark Mitchell <mark@codesourcery.com>
5557 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
5559 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
5561 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
5562 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
5563 NO_BUILTIN_WCHAR_TYPE is not defined.
5564 (CPP_WCHAR_TYPE): Delete.
5565 * cccp.c (main): Don't change wchar_type if cplusplus.
5566 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
5568 2000-02-28 Nick Clifton <nickc@cygnus.com>
5570 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
5572 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
5574 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
5575 (ASM_WEAKEN_LABEL): Define.
5577 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
5579 * expr.c (store_constructor): Do not emit USE.
5580 * rtl.h (stupid_life_analysis): Remove.
5582 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5584 * function.c (number_blocks): Reset next_block_index based on
5585 what debugging format is used, not what is defined.
5587 * lcm.c: Minor reformatting throughout.
5588 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
5590 * toplev.c (rest_of_compilation): Account for time in
5591 optimize_mode_switching.
5593 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
5594 if only marking labels.
5596 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
5598 * calls.c (expand_call): Attempt to combine stack adjustments with
5599 pending stack adjustments.
5601 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5603 * loop.c (reg_in_basic_block_p): Don't abort when falling through
5604 to the end of the function.
5606 2000-02-27 Mark Mitchell <mark@codesourcery.com>
5608 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
5610 * final.c (next_block_index): Remove.
5611 (max_block_depth): Likewise.
5612 (pending_blocks): Likewise.
5613 (init_final): Don't initialize them.
5614 (final_start_function): Don't set next_block_index. Set up
5616 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
5617 * function.h (number_blocks): New function.
5618 * function.c (get_block_vector): New function.
5619 (identify_blocks): Use it.
5620 (reorder_blocks): Set NOTE_BLOCK.
5621 (number_blocks): New function.
5622 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
5623 * tree.h (BLOCK_NUMBER): New macro.
5624 (tree_block): Add block_num field.
5625 * dbxout.c (next_block_number): Remove.
5626 (dbxout_init): Don't set it.
5627 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
5628 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
5630 * toplev.c (rest_of_compilation): Always call
5631 find_loop_tree_blocks. Fix indentation.
5632 * dwarf2out.c (next_block_number): Remove.
5633 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
5634 to determine block numbers.
5635 (gen_inlined_subroutine_die): Likewise.
5636 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
5637 (decls_for_scope): Don't increment next_block_number.
5638 * dwarfout.c (next_block_number): Remove.
5639 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
5640 to determine block numbers.
5641 (output_inlined_subroutine_die): Likewise.
5642 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
5643 (output_decls_for_scope): Don't increment next_block_number.
5644 * sdbout.c (next_block_number): Remove.
5645 (sdbout_block): Use BLOCK_NUMBER.
5646 (sdbout_begin_block): Simplify.
5647 * xcoffout.c (next_block_number): Remove.
5648 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
5649 (xcoffout_begin_block): Don't set next_block_number.
5650 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
5653 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5655 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
5656 (expand_builtin_strcpy): Pass correct type to size_binop.
5657 (expand_builtin_strcmp): Likewise.
5658 Clean up conditional structure.
5659 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
5660 (complete_array_type): Don't use size_binop for MAXINDEX.
5661 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
5662 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
5663 (c_alignof): Use size_one_node.
5664 (build_unary_op): Pass arg of proper type to size_binop.
5665 (really_start_incremental_init, push_init_level): Use sizetype for
5666 constructor{,_bit,_unfilled}_index.
5667 (pop_init_label, output_init_element): Likewise.
5668 (output_pending_init_elements, process_init_element): Likewise.
5669 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
5670 * expr.c (store_expr): Use size_int.
5671 (store_constructor): Use proper types for size_binop args.
5672 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
5673 (expand_expr_unaligned): Likewise.
5674 (string_contant): Return object of sizetype.
5675 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
5676 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
5677 (ARGS_SIZE_TREE): Pass proper types to size_binop.
5678 * fold-const.c (int_const_binop): Refine when size_int is called.
5679 (fold_convert): Likewise.
5680 (size_int_wide): Rework to take KIND as arg, only take low order
5681 bits, handle new sizetype_tab datatype, and chain entries in
5683 (size_int_type_wide): New function.
5684 (size_binop): Validate types of arguments.
5685 (ssize_binop): Deleted.
5686 (size_diffop): New function.
5687 (extract_muldiv): Only fold division into multiplication for sizetypes.
5688 * function.c (assign_parms): Use size_diffop and make sure
5689 VAR field is of ssizetype; also pass proper type to size_binop.
5690 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
5691 (round_down): Deleted from here.
5692 * store-layout.c (sizetype_tab): Now an array.
5693 (sizetype_set, early_root_list): New variables.
5694 (variable_size): Use size_one_node.
5695 (round_up): Pass proper type to size_binop.
5696 (round_down): Moved to here and corrected as above.
5697 (layout_record): Pass proper arg types to size_binop.
5698 (layout_type): Likewise.
5699 If sizetype_set is zero, record the type just laid out.
5700 (make_unsigned_type): Don't call set_sizetype;
5701 (make_signed_type): Likewise; also, call fixup_signed_type.
5702 (initialize_sizetypes): New function.
5703 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
5704 set name of bitsizetype to "bit_size_type".
5705 Fix up type of sizes of all types made before call.
5706 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
5707 * tree.c (fix_sizetype): Deleted.
5708 (build_common_tree_nodes): Call initialize_sizetypes.
5709 (build_common_tree_nodes_2): Don't call fix_sizetype.
5710 * tree.h (TYPE_IS_SIZETYPE): New macro.
5711 (initialize_sizetype): New declaration.
5712 (enum size_type_kind): New type.
5713 (struct sizetype_tab): Deleted.
5714 (sizetype_tab): Now array; adjust sizetype macros.
5715 (size_diffop, size_int_type_wide): New functions.
5716 (size_int_wide): Change number of args and type; access macros changed.
5717 (ssize_int, sbitsize_int): New macros.
5718 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
5719 (ROUND_TYPE_SIZE_UNIT): New macro.
5721 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
5723 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
5725 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5727 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
5728 Mark as possibly unused.
5730 * cse.c (cse_insn): Delete dead code involving tablejump.
5731 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
5733 * Makefile.in (libcpp.a): Start by deleting it.
5735 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5737 * cpplib.h (enum file_change_code): Added rename_file.
5738 * cpplib.c (do_line): If a filename is given, set file_change to
5740 (output_line_command): If file_change is rename_file, always
5741 output a # directive with the file name.
5743 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
5745 2000-02-26 Mark Mitchell <mark@codesourcery.com>
5747 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
5748 when copying a PARM_DECL or RESULT_DECL.
5750 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5752 * fix-header.c (recognized_function): Also fix prototypes for
5753 functions taking "void".
5755 2000-02-26 Geoff Keating <geoffk@cygnus.com>
5757 * reload1.c (do_output_reload): Check reg_reloaded_valid before
5758 looking at reg_reloaded_contents.
5760 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
5762 * Makefile.in (STMP_FIXINC): New toggle.
5763 (LIBGCC2_DEPS): Delete all references.
5764 (stmp-headers): Delete target. All references either deleted
5765 or changed to stmp-int-headers.
5766 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
5767 (LIBCPP_OBJS): Take out cppalloc.o.
5768 (cppalloc.o): Delete target.
5769 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
5770 (gen-protos, fix-header): Link with libiberty.a.
5771 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
5774 * configure.in: Remove refs to strerror.
5775 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
5776 * system.h: Take out strerror stanza.
5778 * cpperror.c (my_strerror): Delete function.
5779 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
5780 * cppmain.c (main): Call xmalloc_set_program_name first thing.
5781 * cppalloc.c: Delete file.
5782 * gen-protos.c: Don't provide xrealloc.
5784 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
5785 xstrerror throughout.
5787 2000-02-26 Bruce Korb <bkorb@gnu.org>
5789 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
5790 match for DOS headers, too.
5791 * fixinc/inclhack.sh,fixincl.x: Regenerate.
5793 2000-02-26 Geoff Keating <geoffk@cygnus.com>
5795 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
5796 is right for most ELF targets.
5797 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
5798 Let the default file use %U properly.
5799 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
5802 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
5805 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5807 * toplev.c (documented_lang_options): Correct spelling error.
5808 (decode_d_option, decode_f_option, main): Likewise.
5810 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
5812 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
5813 to tell assembler it is permitted to expand large constants.
5815 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
5817 * protoize.c: (AUX_INFO_SUFFIX): New macro.
5818 (aux_info_suffix): Use.
5819 (SAVE_SUFFIX): New macro.
5821 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
5822 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
5823 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
5825 * invoke.texi (Running Protoize): Update documentation.
5827 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
5829 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
5831 2000-02-25 John Wehle (john@feith.com)
5833 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
5835 2000-02-25 Anthony Green <green@cygnus.com>
5837 * toplev.c (rest_of_compilation): Rebuild jump labels if
5838 combine_instructions has created a new direct jump.
5839 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
5841 (combine_instructions): Call try_combine with new argument.
5842 Return non-null value when new direct jump instruction is created.
5843 * rtl.h: combine_instructions returns an int.
5845 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
5847 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
5848 jump when changing a computed jump into a jump to a known
5851 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
5853 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
5854 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
5856 * i386.md (define_expand "clrstrsi"): Fix typo.
5858 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
5860 * rtl.texi: Fix typo.
5862 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5864 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
5865 UNITS_PER_WORD. Change caller initial_elimination_offset.
5866 (rounded_frame_size): Take into account that argument pushed has
5867 changed. Fix TARGET_ALIGN_DOUBLE problem.
5869 2000-02-25 Geoff Keating <geoffk@cygnus.com>
5871 * haifa-sched.c (schedule_block): Explain the real reason
5872 we delete REG_SAVE_NOTEs on the first insn of a block.
5873 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
5875 2000-02-24 Mark Mitchell <mark@codesourcery.com>
5877 * input.h (push_srcloc): New function.
5878 (pop_srcloc): Likewise.
5879 * toplev.c (push_srcloc): Define it.
5880 (pop_srcloc): Likewise.
5882 2000-02-24 Richard Henderson <rth@cygnus.com>
5884 * flow.c (life_analysis): When collecting reg info, clear
5887 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5889 Fix bug exposed by reload.c no longer rounding the frame
5890 size to BIGGEST_ALIGNMENT:
5891 * sh.c (rounded_frame_size): New function.
5892 (sh_expand_prologue, sh_expand_epilogue): Use it.
5893 (initial_elimination_offset): Likewise.
5895 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5897 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
5898 * sh-protos.h (sh_need_epilogue): Declare.
5899 * sh.c (sh_need_epilogue_known): New static variable.
5900 (sh_need_epilogue): New function.
5901 (function_epilogue): Clear need_epilogue_known.
5902 * sh.md (return): Split into expander / insn pattern.
5903 Make the expander conditional on ! sh_need_epilogue ().
5905 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
5907 * machmode.h (get_mode_alignment): Declare.
5908 (GET_MODE_ALIGNMENT): Call it.
5909 * stor-layout.c (get_mode_alignment): New function. Make
5910 sure alignment is always power of 2.
5912 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
5914 * i386.h: Remove useless definition of "I386" and misleading
5917 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
5919 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
5920 under which TREE_PERMANENT will be set.
5921 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
5922 build1): Use TREE_SET_PERMANENT.
5923 * print-tree.c (print_node): Don't report value of
5924 TREE_PERMANENT if ggc_p is true.
5926 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
5927 decide whether to give a type a new alias set.
5928 * objc/objc-act.c (build_objc_string_object): Never copy the string.
5929 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
5930 of value of 'obstack'.
5933 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5935 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
5937 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5939 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
5940 * cpplib.c (cpp_get_token): Produce them.
5941 * cppexp.c (cpp_lex): Handle them.
5943 2000-02-23 Nick Clifton <nickc@cygnus.com>
5945 * config/arm/arm.c (arm_comp_type_attributes): Simply and
5946 comment tests on type attributes.
5948 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5950 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
5951 conform to documentation.
5952 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
5953 to check for special cases.
5954 * sh-protos.h (sh_loop_align): Declare.
5955 * sh.c (sh_loop_align): Define.
5957 2000-02-22 Andrew Haley <aph@cygnus.com>
5959 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
5960 (SIZE_TYPE): Is 32 bits when using -mgp32.
5961 (PTRDIFF_TYPE): Ditto.
5963 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5965 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
5967 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
5969 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
5970 BIGGEST_FIELD_ALIGNMENT a constant.
5972 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
5974 * dwarf2out.c (output_line_info): Put the marker for the end of
5975 the line number info at the actual end.
5976 (gen_struct_or_union_type_die): Use decl_function_context
5977 to check for local classes.
5978 * dwarfout.c (output_type): Likewise.
5980 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
5982 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
5983 for arguments with a mode, but no type.
5984 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
5985 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
5986 * pa/long_double.h: New file.
5987 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
5988 both have 128bit wide long doubles.
5989 * configure: Rebuilt.
5991 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5993 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
5995 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
5996 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
5997 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
5999 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
6001 * integrate.c (compare_blocks, find_block): Likewise.
6003 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
6005 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
6007 * stmt.c (stmt_status, set_file_and_line_for_stmt,
6008 expand_asm_operands): Likewise.
6010 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
6012 * predict.c (estimate_probability): Added the pointer heuristic to
6013 the collection of static branch predictors.
6015 2000-02-21 Catherine Moore <clm@cygnus.com>
6017 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
6018 * invoke.texi (-mfix7000): Document.
6020 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
6022 * diagnostic.c (init_output_buffer): Make it possible to output at
6023 least 32 characters if we're given a too long prefix.
6025 2000-02-20 Mark Mitchell <mark@codesourcery.com>
6027 * varasm.c (initializer_constant_valid_p): Call
6028 lang_expand_constant to simplify the constant.
6030 2000-02-20 Bruce Korb <bkorb@gnu.org>
6032 * fixinc/inclhack.def(stdio_va_list):
6033 typedef needs to be disabled.
6034 * fixinc/inclhack.sh: regen
6035 * fixinc/fixincl.x: regen
6037 2000-02-20 Geoff Keating <geoffk@cygnus.com>
6039 * print-rtl.c (print_rtx): Don't print addresses when
6040 flag_dump_unnumbered.
6042 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6044 * sparc.c (sparc_output_scratch_registers): Mark parameter with
6046 (sparc_va_arg, sparc_flat_output_function_prologue,
6047 sparc_flat_output_function_epilogue): Cast value to unsigned in
6049 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
6051 * sparc.md: Add default case in switch.
6053 2000-02-19 Richard Henderson <rth@cygnus.com>
6055 * c-typeck.c (add_pending_init): Don't abort for multiple
6056 fields at the same offset.
6057 (pending_init_member): Test the correct member.
6059 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6061 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
6063 (start_catch_handler) : Same.
6065 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
6067 * Makefile.in: Have flow.o depend on $(EXPR_H)
6069 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6071 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
6072 * c-decl.c (duplicate_decls, finish_enum): Likewise.
6073 (finish_decl): Remove -Wlarger-than code from here.
6074 * flags.h (id_clash_len): Now int.
6075 (larger_than_size): Now HOST_WIDE_INT.
6076 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
6077 Clean up checking to see if in table.
6078 (make_bit_field_ref): Remove extra parm to bitsize_int.
6079 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
6080 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
6081 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
6082 and for computing size of decl.
6083 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
6084 Move -Wlarger-than code to here.
6085 (layout_record): Remove extra arg to bitsize_int.
6086 Set TYPE_BINFO_SIZE_UNIT.
6087 (layout_union): Remove extra arg to bitsize_int.
6088 Use proper type for size of QUAL_UNION.
6089 (layout_type): Remove extra arg to bitsize_int.
6090 * toplev.c (id_clash_len): Now int.
6091 (larger_than_size): Now HOST_WIDE_INT.
6092 (decode_W_option): Clean up id-clash and larger-than- cases.
6093 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
6094 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
6095 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
6096 (struct tree_decl): New field size_unit.
6097 (size_int_wide): No HIGH operand; NUMBER is now signed.
6098 (size_int_2): Deleted.
6099 (size_int, bitsize_int): Don't use it and rework args.
6100 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
6102 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
6104 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
6106 2000-02-18 Geoff Keating <geoffk@cygnus.com>
6108 * invoke.texi (Warning Options): Add an explanation of why
6109 you might want the -Wfloat-equal flag.
6111 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6113 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
6114 * cppinit.c (new_pending_define): Add cast to avoid warning.
6115 * expmed.c (extract_bit_field): Likewise.
6116 * flow.c (enum reorder_skip_type): New type.
6117 (skip_insns_between_blcok): New it.
6118 Rework to avoid warning about possibly undefined variable.
6119 * function.c (assign_parms): Make thisparm_boundary unsigned.
6120 * genrecog.c (write_switch): Cast XWINT result to int.
6121 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
6122 * mips-tfile.c (init_file): Make two versions of FDR intializer:
6123 one for MIPS and one for Alpha.
6124 (get_tag, copy_object): Add casts to avoid warnings.
6125 * optabs.c (init_one_libfunc): Cast NAME to (char *).
6126 * reload.c (find_reloads): Make TYPE enum reload_type.
6127 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
6128 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
6129 * varasm.c (compare_constant_1): Add cast to avoid warning.
6130 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
6132 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
6133 Cast switch operand of size to int.
6134 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
6135 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
6138 2000-02-18 Nick Clifton <nickc@cygnus.com>
6140 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
6141 anything for an alignment of zero.
6143 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
6144 anything for an alignment of zero.
6146 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
6148 * gcc.texi (Bug Reporting): Refer to bugs.html.
6149 (Bug Lists): Likewise.
6150 * system.h (GCCBUGURL): New preprocessor define.
6151 * rtl.c (fancy_abort): Use it.
6152 * gcc.c (main): Likewise.
6154 2000-02-18 Richard Henderson <rth@cygnus.com>
6156 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
6157 (life_analysis_1): Subsume into ...
6158 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
6159 Use update_life_info for the relaxation.
6160 (update_life_info): Update REG_BASIC_BLOCK for registers live on
6161 entry and regs_live_at_setjmp.
6162 (set_noop_p): Simplify.
6163 (notice_stack_pointer_modification_1): Renamed from s/_1//.
6164 (record_volatile_insns): Split into ...
6165 (delete_noop_moves): ... here,
6166 (notice_stack_pointer_modification): ... here,
6167 (insn_dead_p): ... and here.
6168 (propagate_block): Don't query INSN_VOLATILE.
6169 (mark_used_regs): Mind !PROP_REG_INFO.
6170 * toplev.c (rest_of_compilation): Call mark_constant_function here,
6171 not in life_analysis.
6173 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
6175 * loop.c (canonicalize_condition): New function,
6176 broken out of get_condition.
6177 (get_condition): Use it.
6178 * expr.h (canonicalize_condition): Prototype it.
6180 * tree.h (tree_int_cst_msb): Declare.
6181 * tree.c (tree_int_cst_msb): New function.
6183 2000-02-17 Mark Mitchell <mark@codesourcery.com>
6185 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
6188 * invoke.texi (-fmessage-length=n): Document.
6190 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
6192 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
6194 2000-02-17 Mark Mitchell <mark@codesourcery.com>
6196 * function.c (thread_prologue_and_epilogue_insns): Put a line note
6199 2000-02-17 Nick Clifton <nickc@cygnus.com>
6201 * config/arm/thumb.c: Replace includes of system headers with
6202 #include "system.h".
6204 2000-02-16 Richard Henderson <rth@cygnus.com>
6206 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
6207 Add crtbeginS.o and crtendS.o.
6208 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
6209 (ENDFILE_SPEC): Use crtendS.o.
6210 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
6212 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
6213 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
6215 (__dso_handle): New variable.
6216 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
6217 bias to __CTOR_END__.
6219 2000-02-16 Richard Henderson <rth@cygnus.com>
6221 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
6223 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
6225 * longlong.h (__clz_tab): Declare as static to match definition.
6227 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
6228 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
6229 (XREF_FILE_NAME): Define.
6231 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
6232 (EH_FRAME_SECTION_ASM_OP): Define.
6233 (IDENT_ASM_OP): Define.
6234 (TEXT_SECTION_ASM_OP): Define.
6236 (CTORS_SECTION_ASM_OP): Define.
6237 (CTOR_SECTION_FUNCTION): Use it.
6238 (DTORS_SECTION_ASM_OP): Define.
6239 (DTOR_SECTION_FUNCTION): Use it.
6241 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
6243 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
6246 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
6247 debug_bb_n): New functions.
6248 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
6249 * basic-block.h: Prototype new functions.
6251 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
6253 * configure.in: Add support for avr target.
6254 * configure: Rebuilt.
6256 * invoke.texi: Add AVR invocation docs.
6257 * install.texi: Add information about AVR.
6258 * md.texi: Add AVR constraint letters description.
6259 * extend.texi: Add description for AVR specific attributes.
6261 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
6263 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
6265 2000-02-16 Nick Clifton <nickc@cygnus.com>
6267 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
6268 (make_insn_raw): Move RTL check here.
6270 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6272 * version.c: Include gansidecl.h and version.h.
6274 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
6276 * configure.in (gcc_version): When setting, narrow search to
6277 lines containing `version_string'.
6279 * Makefile.in (mainversion): Likewise.
6280 (GCC_H): New variable.
6281 (gcc.h): Delete target.
6282 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
6283 (version.o): Depend on version.h.
6284 (dbxout.o): Don't depend on gcc.h.
6286 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
6287 Michael Meissner <meissner@cygnus.com>
6289 * md.texi (Simple Constraints): Add item about whitespace.
6290 * genoutput.c (strip_whitespace): New.
6291 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
6292 strip_whitespace for constraints.
6293 Test pointer using NULL, not 0.
6295 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6297 * cpplib.c (do_line): Pedwarn for #line > 32767.
6299 * c-lex.c (readescape): Warn about '\x', but do not reject it.
6301 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
6303 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
6304 to default cpp spec.
6305 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
6306 * cpp.texi: Document __GNUC_PATCHLEVEL__.
6309 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
6312 2000-02-15 Denis Chertykov <denisc@overta.ru>
6314 * configure.in: Add support for avr target.
6316 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6318 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
6319 (sh_addr_diff_vec_mode): Don't declare.
6320 * sh.c (sh_addr_diff_vec_mode): Delete.
6322 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6324 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
6326 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6328 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
6329 (smulsi3_highpart_i): Name.
6330 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
6331 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
6332 (smulsi3_highpart, umulsi3_highpart): Likewise.
6334 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
6335 correctly independent of endianness.
6336 (mulsidi3, umulsidi3): Now define_insn. Hide details that
6337 confuse the optimizers.
6338 (mulsidi3+1, umulsidi3+1): New define_split.
6340 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
6342 * config/sh/sh.md: Guard insn splits against illegal registers.
6343 * config/sh/sh.h: Correct comment about macros.
6345 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6346 Andrew MacLeod <amacleod@cygnus.com>
6348 * Makefile.in (lcm.o): Depend on insn-attr.h.
6349 * basic-block.h (optimize_mode_switching): Declare.
6350 * lcm.c (tm_p.h, insn-attr.h): #include.
6351 (seginfo, bb_info): New structs.
6352 (antic, transp, comp, delete, insert) : New file-scope static variables.
6353 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
6354 (reg_becomes_live, optimize_mode_switching): Likewise.
6355 * tm.texi: Add description of mode switching macros.
6356 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
6358 * sh-protos.h (remove_dead_before_cse): Remove prototype.
6359 (fldi_ok, fpscr_set_from_mem): New prototypes.
6360 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
6361 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
6362 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
6363 (sh_flag_remove_dead_before_cse): Remove declaration.
6364 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
6365 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
6366 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
6367 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
6368 (barrier_align): Allow for JUMP_INSNS containing a parallel.
6369 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
6370 (fldi_ok): New function.
6371 (get_fpscr_rtx): Add fpscr_rtx as GC root.
6372 (emit_sf_insn): Only generate fpu switches when optimize < 1.
6373 (emit_df_insn): Likewise.
6374 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
6375 (sh_flag_remove_dead_before_cse): Delete.
6376 (get_free_reg, fpscr_set_from_mem): New functions.
6377 * sh.md (movdf, movsf): Remove no_new_pseudos code.
6378 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
6380 2000-02-15 Loren Rittle <ljrittle@acm.org>
6382 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
6384 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6386 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
6387 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
6389 * cccp.c: Include version.h and/or don't declare `version_string'.
6390 * collect2.c: Likewise.
6391 * alpha.c: Likewise.
6392 * arm/aof.h: Likewise.
6393 * arm/coff.h: Likewise.
6394 * arm/elf.h: Likewise.
6395 * arm/pe.h: Likewise.
6396 * arm/tcoff.h: Likewise.
6397 * arm/telf.h: Likewise.
6398 * arm/tpe.h: Likewise.
6399 * arm/vxarm.h: Likewise.
6400 * convex/convex.c: Likewise.
6401 * i386/dgux.c: Likewise.
6402 * i386/sun386.h: Likewise.
6403 * m88k/m88k.c: Likewise.
6404 * mcore/mcore-pe.h: Likewise.
6405 * mips/mips.h: Likewise.
6406 * romp/romp.h: Likewise.
6407 * sh/sh.c: Likewise.
6408 * cpphash.c: Likewise.
6409 * cppinit.c: Likewise.
6410 * dwarf2out.c: Likewise.
6411 * dwarfout.c: Likewise.
6414 * mips-tfile.c: Likewise.
6415 * protoize.c: Likewise.
6416 * toplev.c: Likewise.
6419 * version.c (version_string): Constify a char*.
6421 * version.h: New file.
6423 2000-02-14 Nick Clifton <nickc@cygnus.com>
6425 * configure.in: Add mcore-elf and mcore-pe targets.
6426 * configure: Regenerate.
6428 * NEWS: Add note that MCore port has been contributed.
6430 * invoke.texi: Document command line switches for MCore port.
6431 * install.texi: Add MCore to list of supported targets.
6433 2000-02-14 Geoff Keating <geoffk@cygnus.com>
6435 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
6436 then we will need to import the frame handling functions.
6437 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
6438 to import the frames themselves.
6440 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
6441 Jason Eckhardt <jle@cygnus.com>
6443 * basic_block.h: Added prototype for reorder_basic_blocks.
6444 * toplev.c: Changes to add -freorder-blocks and graph dump after
6445 block reordering is done.
6446 * flow.c (reorder_block_def): New structure for use during block
6448 (REORDER_BLOCK_*): New macros to access members of above structure.
6449 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
6450 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
6451 functions for block reordering.
6453 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
6455 * gcc.texi (Passes): Fix typo.
6456 * md.texi (Standard Names): Ditto.
6457 * tm.texi (Storage Layout): Ditto.
6459 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
6461 * cpplib.c (do_define): Only free the old definition if it
6464 2000-02-13 Neil Booth <NeilB@earthling.net>
6466 * cppfiles.c (read_and_prescan): When emitting deferred
6467 newlines, test speccase[] again instead of checking each
6468 possible whitespace character in turn. When we encounter \r,
6469 look behind for \n first, then ahead.
6471 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
6473 * cse.c (cse_altered): New internal flag.
6474 (cse_insn): Set it if we changed an insn.
6475 (cse_main): Clear cse_altered before each basic block.
6476 Only garbage collect if cse_altered is true afterward.
6478 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6480 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
6482 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
6484 * combine.c (simplify_comparison): Fix typo.
6486 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
6488 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
6491 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6493 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
6494 previously inserted node instead of root node. Caller changed.
6496 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6498 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
6500 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6502 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
6503 __dereg_frame_dtor): Add prototype argument.
6505 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
6507 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
6509 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
6511 * gthr-vxworks.h (__gthread_once): Likewise.
6513 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
6515 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
6517 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
6518 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
6519 stack pointer in functions w/o saved registers, output LEAVE more often
6520 on TARGET_USE_LEAVE machines.
6522 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
6524 * config/arm/arm.c (arm_init_cumulative_args); New function:
6525 Initlaise the CUMULATIE_ARGS strcuture for a function
6527 (arm_function_arg): New function: Determine where to place a
6528 function's argument. Also handles deciding the function's
6530 (current_file_function_operand): New function: Return true if
6531 the symbol is a function which has already been compiled.
6532 (arm_is_long_call_p): New function: Return true if the
6533 indicated function should be called via a long call.
6534 (arm_valid_type_attribute_p): New function: Return true if the
6535 attribute is a valid, arm specific, attribute.
6536 (arm_comp_type_attribute): New function: Return true if the
6537 two types have compatable, arm specific, attributes.
6539 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
6541 (FUNCTION_ARG): Redefine to call arm_function_arg.
6542 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
6544 (INIT_CUMULATIVE_ARGS): Redefine to call
6545 arm_init_cumulative_args.
6546 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
6548 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
6550 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
6552 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
6553 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
6554 (COMP_TYPE_ATTRIBUTES): Define.
6556 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
6557 if a long call is needed.
6558 (call_value): Call arm_is_long_call_p to decide if a long call
6560 (call_symbol): Call arm_is_long_call_p to decide if a long call
6563 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
6565 2000-02-11 Denis Chertykov <denisc@overta.ru>
6567 * README.AVR: New file with information about the avr ports.
6568 * config/avr: New directory with avr port files.
6570 2000-02-11 Andreas Jaeger <aj@suse.de>
6572 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
6574 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
6576 * cpphash.c: Fix formatting, update commentary.
6577 (dump_definition): Take three separate arguments instead of a
6578 MACRODEF structure argument.
6579 * cpphash.h: Update prototype of dump_definition.
6580 * cppinit.c (cpp_finish): Update call of dump_definition.
6582 * cpplib.c (do_define): Always create new hash entry with
6583 T_MACRO type. Remove redundant check for redefinition of
6584 poisoned identifier. Update call of dump_definition.
6585 (do_undef): Don't call check_macro_name. Rename sym_length to
6587 (do_error, do_warning): Don't use copy_rest_of_line or
6589 (do_warning): Don't use pedwarn for the actual warning,
6590 only the notice about its not being in the standard. (Fixes
6591 bug with #warning in system headers.)
6592 (do_ident): Stricter argument checking - accept only a single
6593 string after #ident. Also, macro-expand the line.
6594 (do_xifdef): Use cpp_defined. De-obfuscate.
6596 (do_pragma): Split out specific pragma handling to separate
6597 functions. Use get_directive_token. Update commentary. Do
6598 not pass on #pragma once or #pragma poison to the front end.
6599 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
6600 do_pragma_default): New.
6602 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
6604 * jump.c (jump_optimize_1): The first operand in a relational
6606 * optabs.c (emit_conditional_move): Handle relationals which
6607 have a known true/false result.
6609 2000-02-11 Geoff Keating <geoffk@cygnus.com>
6611 * function.c (thread_prologue_and_epilogue_insns): Don't insert
6612 a RETURN insn into a block which already ends with a jump.
6614 2000-02-11 Geoff Keating <geoffk@cygnus.com>
6616 * haifa-sched.c (BUF_LEN): Increase a lot.
6618 2000-02-11 Nick Clifton <nickc@cygnus.com>
6620 * configure.in: Add tm_p_file specification for thumb targets.
6621 * configure: Regenerate.
6623 * config/arm/thumb-protos.h: New file: Prototypes for exported
6624 functions defined in thumb.c.
6626 2000-02-11 Robert Lipe <robertl@sco.com>
6628 * Makefile.in (bootstrap-lean): Remove additional files.
6629 (bootstrap2-lean): Likewise.
6630 (VOL_FILES): List of files for above.
6632 2000-02-11 Nathan Sidwell <nathan@acm.org>
6634 * cpphash.c (special_symbol): Remove spurious argument to
6637 2000-02-11 Joel Sherrill (joel@OARcorp.com>
6639 * configure.in: (i*86-*-rtems*): Swapped elf and coff
6641 * configure: Rebuilt.
6643 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
6645 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
6647 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
6649 * pa.c, pa.h: Remove trigraph sequences within comments.
6651 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
6653 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
6655 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
6657 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
6659 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6661 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
6663 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6665 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
6666 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
6667 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
6668 (ASM_FILE_END): Use c4x_file_end.
6669 * config/c4x/c4x.c (c4x_global_label): New function.
6670 (c4x_external_ref, c4x_file_end): Likewise.
6672 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
6673 (c4x_external_ref, c4x_end_file): Likewise.
6675 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
6677 * cppexp.c: Don't include cpphash.h.
6678 (parse_charconst, cpp_lex): Use cpp_defined.
6679 (cpp_lex): Use get_directive_token throughout. Remove
6680 unnecessary cases from switch. Move assertion-handling code
6682 (cpp_parse_expr): If we see '+' or '-', check the context to
6683 determine if they are unary or binary operators. Streamline
6684 the jumps a bit. Do not call skip_rest_of_line.
6686 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
6687 static. Export get_directive_token. Update commentary.
6688 (cpp_defined): New function.
6689 (do_define): Remove reference to T_PCSTRING. Call
6690 free_definition to release memory for old definition, when
6692 (eval_if_expression): Set only_seen_white to 0 before calling
6693 cpp_parse_expr. Call skip_rest_of_line after it returns.
6694 (cpp_read_check_assertion): Don't preserve a pointer into the
6695 token buffer across a call to cpp_get_token.
6697 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
6698 * cppfiles.c (redundant_include_p): Use cpp_defined.
6699 * cpphash.c (free_definition): New function.
6700 (delete_macro): Use it. Update commentary.
6701 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
6703 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
6704 from enum node_type. Prototype cpp_defined and get_directive_token.
6705 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
6707 * fix-header.c (check_macro_names): Use cpp_defined.
6708 (read_scan_file): Set inhibit_warnings and inhibit_errors in
6709 the options structure.
6711 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6713 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
6715 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
6717 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
6718 rather than die->die_tag.
6720 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6722 * combine.c (make_extraction, force_to_mode): Avoid warning on
6723 mixed-signedness conditionals.
6724 (make_field_assignment, nonzero_bits): Likewise.
6725 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
6726 (store_split_bit_field, extract_split_bit_field): Likewise.
6727 (extract_fixed_bit_field, store_bit_field,
6728 * expr.c: Change alignment to be unsigned everywhere.
6729 (move_by_pieces, store_constructor_field, store_constructor):
6730 Alignment parm is unsigned.
6731 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6732 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
6733 (do_compare_rtx_and_jump): Likewise.
6734 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
6735 Compare align with GET_MODE_ALIGNMENT.
6736 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
6737 (get_inner_reference): Likewise.
6738 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
6739 (expand_assignment): Local vars for alignment now unsigned.
6740 (store_constructor, store_field, expand_expr, do_jump): Likewise.
6741 (do_compare_and_jump): Likewise.
6742 (store_field): Call new function expr_align.
6743 * expr.h (emit_block_move, emit_group_load, emit_group_store):
6744 Alignment arg now unsigned.
6745 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
6746 (do_compare_rtx_and_jump, store_bit_field): Likewise.
6747 (extract_bit_field): Likewise.
6748 * fold-const.c (add_double): Add cast to eliminate signedness warning.
6749 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
6750 (get_best_mode): Alignment arg is unsigned.
6751 * rtl.h (move_by_pieces): Likewise.
6752 * store-layout.c (maximum_field_alignment, set_alignment):
6754 (layout_decl): Alignment arg is now unsigned.
6755 Remove unneeded casts.
6756 (layout_record, layout_union, layout_type): Remove unneeded casts.
6757 Local alignment variables now unsigned.
6758 (get_best_mode): Alignment arg now unsigned.
6759 * tree.c (expr_align): New function.
6760 * tree.h (expr_align): Likewise.
6761 (maximum_field_alignment, set_alignment): Now unsigned.
6762 (get_inner_reference): Alignment argument is now pointer to unsigned.
6763 * varasm.c (assemble_variable): Add cast to eliminate warning.
6765 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
6767 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
6768 then store directly into op0.
6770 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
6771 the CALL_INSN, and emit the note immediately after it.
6773 2000-02-10 Nick Clifton <nickc@cygnus.com>
6775 * config/arm/thumb.md (epilogue): Include a (return) in the
6776 generated insn, and emit it using emit_jump_insn not
6779 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
6781 * function.c (assign_temp): Change zero-sized arrays to size 1.
6782 * integrate.c (expand_inline_function): Do not update
6783 stack_alignment_needed
6784 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
6785 add some sanity checking, remove optimization for function with
6788 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6790 * flow.c (mark_regs_live_at_end): Delete unused variables.
6792 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
6794 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
6795 in macro FRAME_GROWS_DOWNWARD.
6797 * stmt.c (expand_end_bindings): Delete unused variable.
6799 * unroll.c (iteration_info): Mark parameter `loop' with
6802 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6804 * fixinc/server.c (load_data): Return NULL if the marker line is
6806 (run_shell): If load_data returns NULL, retry the command once, in
6809 * configure: Rebuilt.
6811 2000-02-09 Bruce Korb <bkorb@gnu.org>
6813 * gcc/fixincludes: ** DELETED **
6814 * gcc/fixcpp: ** DELETED **
6815 * gcc/fixinc-nt.sed: ** DELETED **
6816 * gcc/just-fixinc: ** DELETED **
6817 * gcc/Makefile.in: Removed out-dated commentary
6818 * gcc/configure.in: Removed fast-fixincludes disablement.
6819 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
6821 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
6822 * function.c (thread_prologue_and_epilogue_insns): Uncomment
6825 2000-02-09 Richard Henderson <rth@cygnus.com>
6827 * jump.c (delete_insn): Don't delete user labels at -O0.
6829 2000-02-09 Robert Lipe <robertl@sco.com>
6831 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
6832 Don't link with HOST_LIBS.
6834 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
6836 * configure.in: Correct --help text for --with-dwarf2.
6837 Put tm-dwarf2.h after other tm files, if it's requested.
6838 * configure: Regenerate.
6839 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
6842 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
6844 * cpplib.h: Provide HASHNODE typedef and forward decl of
6845 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
6846 DEFINITION, struct hashnode, struct macrodef, struct
6847 definition, scan_decls prototype, default defn of
6848 INCLUDE_LEN_FUDGE moved elsewhere.
6850 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
6851 definition, and struct hashnode moved here. Remove the unused
6852 'predefined' field from struct definition. Replace the 'args'
6853 union with its sole member. All users updated (cpphash.c).
6854 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
6855 multiple include guard.
6857 * cpphash.c (hashf): Make static; use better algorithm; drop
6858 HASHSIZE parameter; return an unsigned int.
6859 (cpp_lookup): Drop HASH parameter. PFILE parameter is
6860 used. Calculate HASHSIZE modulus here.
6861 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
6863 (create_definition): Drop PREDEFINITION parameter.
6864 * cpplib.c (do_define): Don't calculate a hash value here.
6865 Don't pass (keyword == NULL) to create_definition.
6867 * scan.h: Prototype scan_decls here.
6868 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
6869 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
6870 callers of cpp_lookup and cpp_install updated.
6872 * cpphash.c (macarg): Hoist all the flag diddling out of the
6874 (macroexpand): ... and out of the loop that calls macarg.
6875 Skip over the initial paren before macro arguments with
6876 cpp_get_non_space_token; point may be some distance before
6877 that paren. Abort if it's not there.
6879 * cpplib.c (parse_clear_mark): Delete function.
6880 (parse_set_mark, parse_goto_mark): Make static.
6881 (ACTIVE_MARK_P): New macro.
6882 (skip_block_comment, skip_line_comment): Do not bump the line
6883 if ACTIVE_MARK_P is true.
6884 (cpp_pop_buffer): The buffer to be popped may not have an
6886 (cpp_get_token): When looking for the initial paren before
6887 macro arguments, only set a mark in a file buffer, Always
6888 return to that mark before proceeding to call macroexpand or
6889 return a NAME token.
6891 * cpplib.h: Remove prototypes of parse_set_mark,
6892 parse_clear_mark, parse_goto_mark.
6893 (struct cpp_options): Rename 'put_out_comments' to
6894 'discard_comments' and invert its sense.
6895 * cppinit.c, cpphash.c, cpplib.c: All users of
6896 put_out_comments changed to use discard_comments, with
6899 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
6901 * function.c (thread_prologue_and_epilogue_insns): Don't delete
6902 the edge from a block that both jumps and falls through to the
6905 2000-02-09 Scott Bambrough <scottb@netwinder.org>
6907 * config/arm/arm.md (movsi): In PIC mode, make sure that a
6908 constant source address is legitimate.
6910 2000-02-09 Philip Blundell <pb@futuretv.com>
6912 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
6915 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
6917 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
6919 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
6921 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
6922 ends with a newline and a NUL. Don't be so clever manipulating
6925 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
6927 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
6928 not to BIGGEST_ALIGNMENT.
6930 2000-02-08 Geoff Keating <geoffk@cygnus.com>
6932 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
6933 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
6934 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
6935 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
6936 * frame.c (execute_cfa_insn): Handle
6937 DW_CFA_GNU_negative_offset_extended.
6939 2000-02-08 Richard Henderson <rth@cygnus.com>
6941 * flow.c (tidy_fallthru_edges): Split out from ...
6942 (delete_unreachable_blocks): ... here.
6943 (find_basic_blocks): Use it.
6945 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6947 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
6949 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
6951 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
6952 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
6953 (fix-header.o): Don't depend on cpphash.h.
6955 * scan.c (hashstr): New function.
6956 * scan.h: Prototype it.
6957 * fix-header.c: Don't include cpphash.h. Use hashstr.
6958 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
6959 hashstr. Report hash table statistics. Add private
6960 definition of xrealloc.
6962 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6964 * i386.h (TARGET_SWITCHES): Fix typo in option name.
6966 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
6968 * function.c (thread_prologue_and_epilogue_insns): Don't replace
6969 jumps with returns unless they are jumps to the fallthru block.
6971 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
6973 * i386.md (addqi3_cc): Fix contraints.
6975 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
6977 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
6979 2000-02-07 Mark Mitchell <mark@codesourcery.com>
6981 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
6982 carriage return after a macro name.
6984 2000-02-07 Fred Fish <fnf@be.com>
6986 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
6987 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
6989 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
6991 * cppfiles.c (deps_output): Count spacers in deps_column.
6993 2000-02-07 Neil Booth <NeilB@earthling.net>
6995 * cppinit.c (initialize_dependency_output): If there is no
6996 suffix, don't try to look for known suffixes. Use strrchr.
6997 (cpp_start_read): Remove duplicate initialization.
6999 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
7001 * calls.c (compute_argument_block_size): New argument
7002 preferred_stack_boundary.
7003 (expand_call): update cfun->preferred_stack_boundary, update call of
7004 compute_argument_block_size
7005 (emit_library_call): Increate cfun->preferred_stack_boundary
7006 to PREFERRED_STACK_BOUNDARY
7007 (emit_library_call_value): Likewise.
7008 * explow.c (allocate_dynamic_stack_spave): Likewise.
7009 * function.c (prepare_function_start): Set
7010 cfun->preferred_stack_boundary
7011 * function.h (struct function): Add preferred_stack_boundary field.
7012 * integrate.c (expand_inline_function): Update
7013 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
7014 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
7015 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
7017 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
7019 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
7020 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
7021 cpp_pedwarn, cpp_pedwarn_with_line,
7022 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
7023 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
7024 v_cpp_error_with_line, v_cpp_warning_with_line,
7025 cpp_message_from_errno, cpp_perror_with_name): Delete.
7027 * cpperror.c (cpp_print_containing_files): Take starting
7029 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
7030 (v_cpp_message): Now called directly by all entry points.
7032 (cpp_pfatal_with_name, cpp_message): Delete.
7033 (cpp_notice_from_errno, cpp_ice): New functions.
7034 (cpp_notice): Is now for reporting error conditions, just
7035 without an associated file.
7036 (cpp_error, cpp_error_with_line): Don't do anything if
7037 opts->inhibit_errors is on.
7038 (cpp_pedwarn_with_file_and_line): Take column argument also.
7040 * cpplib.h: Update prototypes of exported functions.
7041 (struct cpp_options): Add inhibit_errors.
7043 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
7044 non-error messages. Include intl.h.
7046 * cppinit.c, cppmain.c: Likewise. Also, use
7047 cpp_notice_from_errno instead of cpp_perror_with_name or
7048 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
7050 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
7051 report internal errors.
7053 * cpplib.c (do_define): Switch bcopy to memcpy.
7054 Give cpp_pedwarn_with_file_and_line a dummy column argument.
7056 * cpplib.c (copy_rest_of_line): Revert previous change: don't
7057 bail out early if we hit a line comment.
7059 2000-02-06 Richard Henderson <rth@cygnus.com>
7061 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
7062 * basic-block.h: Declare them.
7063 * emit-rtl.h (active_insn_p): New.
7064 (next_active_insn, prev_active_insn): Use it.
7065 * rtl.h: Declare it.
7066 * function.c (emit_return_into_block): New.
7067 (thread_prologue_and_epilogue_insns): Insert return insns instead
7068 of epilogues when possible.
7069 * jump.c (jump_optimize_1): Remove code to insert a return insn
7070 on the fallthru to the exit block.
7072 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
7073 and for non-empty stack frames.
7074 * i386.md (return): Expand to return-pop as needed.
7076 2000-02-06 Richard Henderson <rth@cygnus.com>
7078 * simplify-rtx.c (simplify_relational_operation): Canonicalize
7079 constant to op1 for testing.
7081 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7083 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
7084 (fixuns_truncqfqi2): Use it.
7086 2000-02-06 Richard Henderson <rth@cygnus.com>
7088 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
7091 * i386.md (widening and peepholes): Mask the constant instead of
7094 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
7096 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
7097 input pointer before possibly branching off to the backslash
7099 * cpphash.c (macroexpand): Correctly delete \r escapes when
7100 stringifying parameters.
7101 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
7102 if we can; bail out early if we hit a line comment.
7103 (handle_directive): Treat '# 123' in an .S file just like
7104 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
7105 Return 1 for '# not_a_directive'.
7106 (get_directive_token): Pop macro buffers here, so that
7107 cpp_get_token can't sneakily move past a newline.
7109 (cpp_get_token): goto randomchar if handle_directive returns 0.
7111 * cppalloc.c: Update copyright.
7112 * cpplib.c: Merge all the static function prototypes into one
7114 * cpplib.h: Remove #if 0 block.
7116 * cpperror.c: Remove #ifdef EMACS block.
7117 * cppmain.c: Likewise.
7118 * cpphash.c: Remove #if 0 blocks.
7119 * cppinit.c: Remove #if 0 blocks, and the -lint option.
7120 * cpplib.c: Remove #if 0 blocks and code referencing
7121 pcp_inside_if or for_lint. Remove duplicate error message.
7122 Fix error messages for #else after #else or #elif. Reformat.
7123 Remove archaic TODO list.
7124 * cpplib.h: Remove pcp_inside_if and for_lint flags.
7126 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
7128 * i386/osf1elf.h: Add missing backslash to multiline string.
7130 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7132 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
7134 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7136 * Makefile.in (c-common.o): Depend on $(EXPR_H).
7138 * c-common.c: Include expr.h.
7140 * c-pragma.c (mark_align_stack): Add prototype.
7142 * caller-save.c (add_stored_regs): Likewise.
7144 * combine.c (record_promoted_value): Likewise.
7146 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
7149 * cppinit.c (new_pending_define): Likewise.
7151 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
7153 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
7154 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
7155 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
7156 class_scope_p): Likewise.
7158 * dwarf2out.h (dwarf2out_set_demangle_name_func,
7159 dwarf2out_add_library_unit_info): Likewise.
7161 * ggc.h (ggc_page_print_statistics): Likewise.
7163 * haifa-sched.c (propagate_deps): Likewise.
7165 * reg-stack.c (next_flags_user, record_label_references): Likewise.
7167 * rtl.h (set_stack_check_libfunc): Likewise.
7169 * toplev.h (set_fatal_function): Likewise.
7171 * toplev.c (set_fatal_function): Delete prototype.
7173 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
7175 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7177 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
7178 (FUNC_END): Likewise.
7180 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7182 * caller-save.c: Include tm_p.h.
7184 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7186 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
7188 2000-02-04 Neil Booth <NeilB@earthling.net>
7190 * cccp.c (main): Check 'dir' for a NULL pointer before passing
7193 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
7195 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
7196 * genflags.c: Use the max_operand_1 logic from genemit.c to
7197 calculate how many arguments gen_insn prototypes have. Remove
7198 NO_MD_PROTOTYPES ifdefs from the generated file.
7199 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
7200 file. Cast gen_insn initializers to insn_gen_fn.
7201 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
7202 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
7204 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7206 * fixinc/Makefile.in (HDR): Add machname.h.
7209 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7211 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
7212 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
7213 (c4x_cpu_version): Ditto.
7214 * config/c4x/c4x-protos.h: ... here.
7216 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
7218 * dwarf2out.c (add_abstract_origin_attribute): Don't call
7219 gen_abstract_function on our context if we're a nested function.
7221 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7223 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
7224 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
7226 2000-02-04 Bruce Korb <bkorb@gnu.org>
7228 * fixinc/genfixes(machname.h):
7229 Move the functionality from gen-machine.h into this file.
7230 UNdef MN_NAME_PAT if there are no names to change.
7231 Also, be a little kinder when AutoGen is not present.
7233 * fixinc/Makefile.in(machname.h):
7234 Change the generation rule to use genfixes.
7236 * fixinc/fixfixes.c(machine_name):
7237 machine_name_fix's functionality now dependent upon whether
7238 MN_NAME_PAT is defined.
7240 * fixinc/fixtests.c(machine_name):
7243 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
7246 * fixinc/fixlib.h(mn_get_regexps):
7249 * fixinc/gen-machine.h: DELETED
7251 2000-02-04 Jan Hubicka <jh@suse.cz>
7252 Richard Henderson <rth@cygnus.com>
7254 * i386.c (SAVE_REGS_FIRST): Remove.
7255 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
7256 (ix86_compute_frame_size): Likewise.
7257 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
7258 (ix86_emit_restore_regs): Remove.
7259 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
7260 when a frame pointer is in use.
7261 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
7262 instead of pop to restore a register when profitable; emit leave
7264 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
7266 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
7267 * i386.md (prologue_allocate_stack): Remove.
7268 (epilogue_deallocate_stack): Remove.
7269 (pro_epilogue_adjust_stack): New.
7271 2000-02-04 Richard Henderson <rth@cygnus.com>
7273 * function.c (diddle_return_value): Rework to use a callback function.
7274 Use current_function_return_rtx if it's been set up.
7275 (do_clobber_return_reg, clobber_return_register): New.
7276 (do_use_return_reg, use_return_register): New.
7277 (expand_function_end): Use them.
7278 * stmt.c (expand_null_return): Likewise.
7279 * function.h: Declare them.
7280 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
7281 (mark_reg): Change arguments as appropriate for callback.
7282 * integrate.c (expand_inline_function): Revert 19 Jan change.
7284 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
7286 * tm.texi (Values in Registers): Fix typo: "fo" "for".
7287 (Misc): Say the scheduler, not the Haifa scheduler.
7289 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
7291 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
7292 when in_mem is set. Update all callers.
7294 2000-02-04 Richard Henderson <rth@cygnus.com>
7296 * i386/openbsd.h (INT_ASM_OP): Define.
7298 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
7300 * tm.texi: Fix various typos.
7302 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
7304 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
7305 (MD_STARTFILE_PREFIX_1): New macro.
7307 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
7309 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
7310 destination when needed.
7311 (strmovsi, strsetsi): New expander.
7312 (strmovsi_1, strsetsi_1): New pattern.
7313 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
7314 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
7315 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
7316 * invoke.texi (align-stringops, inline-all-stringops): Document.
7318 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
7320 * i386/netbsd.h (INT_ASM_OP): Define.
7322 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
7324 * cpplib.h (cpp_reader): Add new flag, no_directives.
7325 * cpphash.c (macarg): Set it.
7326 * cpplib.c (handle_directive): If no_directives is on and we
7327 find a directive, issue an error and discard the line.
7329 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
7331 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
7332 FP constants. Add ! TARGET_FPU check for FP constants.
7334 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
7336 * flow.c (find_basic_blocks): Don't kill label_value_list
7338 (cleanup_cfg): Kill it here.
7340 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7342 * expr.c (store_field): Ensure ALIGN is no stricter than the
7345 2000-02-02 Richard Henderson <rth@cygnus.com>
7347 * jump.c (delete_insn): Partially revert 19 Jan change;
7348 don't convert unused code labels to notes at -O0.
7350 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7352 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
7353 split_all_insns to recreate REG_LABEL notes for flow2 pass.
7355 2000-02-01 Richard Henderson <rth@cygnus.com>
7357 * i386.c (general_no_elim_operand): New.
7358 (nonmemory_no_elim_operand): New.
7359 (ix86_expand_move): Copy eliminable operands before a push.
7360 * i386-protos.h: Declare new functions.
7361 * i386.h (CAN_ELIMINATE): Simplify.
7362 (PREDICATE_CODES): Update.
7363 * i386.md (push insns): Don't allow eliminable register operands.
7365 2000-02-01 Richard Henderson <rth@cygnus.com>
7367 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
7368 replace BLKmode with DECL_RTL's mode.
7370 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
7372 * frame.c (find_fde): Convert for loop to do-while so compiler
7373 sees it's always executed at least once.
7374 * libgcc2.c (BBINBUFSIZE): Kill.
7375 (__bb_init_prg): Use fgets.
7376 (__bb_exit_trace_func): Don't paste strings.
7377 * unroll.c (unroll_loop): Initialize unroll_type, not
7378 unroll_number, and tweak logic to match.
7380 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
7382 (ix86_flags_dependant): Likewise. Disentangle control flow.
7383 (ix86_sched_reorder): Break guts out to
7384 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
7385 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
7388 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
7389 use string concatenation. Don't save and restore esi.
7391 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
7392 (machname.h): Remove script to separate file. Use two-step
7393 sequence so target is not created if script fails.
7394 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
7395 identifiers are defined.
7396 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
7397 an empty string, machine_name doesn't need to do anything at
7399 (is_cxx_header): Add more cases to regexp.
7400 * fixinc/fixlib.h: Update prototype.
7401 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
7403 * fixinc/fixincl.c: Define NO_BOGOSITY.
7405 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
7406 (hp_sysfile): Add missing comma.
7407 (math_exception): Put the wrapper ifdefs at the beginning and
7408 the end of the file.
7409 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
7411 2000-02-01 Richard Henderson <rth@cygnus.com>
7413 * sparc.c (fp_zero_operand): Turn into a normal predicate.
7414 Use CONST0_RTX. Update all callers.
7415 * sparc.h, sparc-protos.h: Update accordingly.
7416 * sparc.md (fp mov insns): Use fp_zero_operand directly
7419 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
7421 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
7424 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7426 * Makefile.in (specs.ready): New target.
7427 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
7429 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7431 * fixinc.irix: Use unique filenames for writing into /tmp,
7432 * fixinc.ptx: Likewise.
7433 * fixinc.sco: Likewise.
7434 * fixinc.svr4: Likewise.
7435 * fixinc.winnt: Likewise.
7437 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7439 * tsystem.h: New file.
7441 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
7442 s-crtS): Depend on tsystem.h.
7444 * crtstuff.c: Include tsystem.h.
7445 * frame.c: Likewise.
7446 * libgcc2.c: Likewise.
7448 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
7450 * builtins.c (expand_builtin_memset): Expand for variable sized
7453 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
7455 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
7458 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
7460 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
7462 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
7464 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
7466 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
7467 case 3->2 combining (combining with splitting) in which 2 is CC0
7468 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
7469 checked at the begining of the function with the aid of calling
7470 function 'can_combine_p'.
7472 2000-01-31 Dave Brolley <brolley@redhat.com>
7474 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
7476 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
7478 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
7481 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7483 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
7485 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
7488 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
7490 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
7491 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
7492 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
7493 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
7494 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
7495 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
7496 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
7497 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
7498 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
7499 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
7501 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
7502 Add %(cpp_cpu) to CPP_SPEC.
7504 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
7505 Add %(cc1_cpu) to CC1_SPEC.
7507 2000-01-28 Ulrich Drepper <drepper@redhat.com>
7509 * c-decl.c (c_decode_option): Accept optional numeric argument to
7510 -Wformat and set warn_format.
7511 * c-common.c: Don't emit warning about non-constant printf format
7512 string unless warn_format > 1.
7514 2000-01-30 Richard Henderson <rth@cygnus.com>
7516 * alpha.md (return_internal): Allow after reload only.
7518 2000-01-30 Richard Henderson <rth@cygnus.com>
7520 * i386.c (ix86_compute_frame_size): Omit padding1 if the
7521 local frame size is zero.
7523 2000-01-30 Richard Henderson <rth@cygnus.com>
7525 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
7526 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
7527 * alpha.md (return): Turn into an expander.
7528 (return_internal): Don't use $26.
7529 (epilogue): Emit the return insn.
7531 2000-01-30 Richard Henderson <rth@cygnus.com>
7533 * alpha.md (negtf2, abstf2): Fix word order thinko.
7535 (trunctfsf2): Avoid intermediate rounding errors.
7537 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
7539 * cppfiles.c (find_position): Drop 'colp' argument, return the
7541 (read_and_prescan): Adjust to match. Don't ever manipulate
7542 line or line_base except via find_position.
7544 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
7546 * c-parse.in: Apply Ulrich's changes from c-parse.y.
7547 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
7550 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
7552 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
7553 just print "<command line>". If 'filename' is null or an
7554 empty string, print "<stdin>" for the filename.
7555 * cpplib.c (do_define): Don't print the 'location of the
7556 previous definition' message if we're still parsing the
7558 (cpp_pedwarn_with_file_and_line): Always call
7559 cpp_file_line_for_message.
7561 2000-01-29 Mark Mitchell <mark@codesourcery.com>
7563 * flow.c (mark_regs_live_at_end): Fix typo.
7565 2000-01-28 Ulrich Drepper <drepper@redhat.com>
7567 * c-common.c: Adjust variable names, comments, help strings to c99.
7568 * c-lex.c: Likewise.
7569 * c-parse.y: Likewise.
7570 * c-tree.h: Likewise.
7572 * cpplib.h: Likewise.
7573 * c-decl.c: Likewise. Recognize options with names "*99" as well.
7574 * cppinit.c: Likewise.
7576 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7578 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
7579 * c4x.c: Define the optab rtx values.
7580 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
7581 (c4x_emit_libcall): Use new optab rtx values.
7582 (c4x_emit_libcall3): Likewise.
7583 (c4x_emit_libcall_mulhi): Likewise.
7584 * c4x-protos.h: Add prototypes for optab rtx values and change
7585 prototypes for above c4x_emit_libcall functions.
7587 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7589 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
7591 (c4x_function_prologue): Use regnames intead of float_reg_names when
7593 (c4x_function_epilogue): Likewise.
7594 (c4x_print_operand): Likewise.
7595 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
7596 * c4x.md (set_high): Disable for TARGET_TI.
7598 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7600 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
7601 of framepointer + constant to ADDR_REGS class.
7602 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
7603 * c4x.c (std_or_reg_operand): New function.
7604 * c4x-protos.h (std_or_reg_operand): Prototype it.
7606 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7608 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
7609 object names as libgcc2.c.
7610 * libgcc.S: Use newly defined names.
7612 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
7613 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
7615 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
7616 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
7617 (FLOW_LOOP_LAST_BLOCK): Likewise.
7619 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7621 * basic-block.h (struct loop): New fields 'first' and 'last'.
7622 * flow.c (flow_loops_find): Compute loop->first and loop->last.
7623 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
7624 and loop->last to check for NOTE_INSN_LOOP_END.
7626 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
7628 * predict.c (estimate_probability): Use the new FIRST and LAST fields
7629 of the loop descriptor rather than HEADER and LATCH. Also added
7630 missing break statements as well making some coding style modifications
7631 as suggested by Michael Hayes.
7633 2000-01-28 Richard Henderson <rth@cygnus.com>
7635 * flow.c (find_basic_blocks): Remove do_cleanup argument.
7636 Break out that code ...
7637 (cleanup_cfg): ... here.
7638 (commit_one_edge_insertion): Detect a return instruction being
7639 emitted to an edge. Emit a barrier following; clear fallthru.
7640 (commit_edge_insertions): Verify CFG consistency.
7641 * function.c (expand_function_start): Kill unused variable.
7642 (expand_function_end): Likewise.
7643 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
7644 to insert the epilogue.
7646 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
7647 (delete_null_pointer_checks): Likewise.
7648 * output.h: Likewise.
7649 * reg-stack.c (reg_to_stack): Likewise.
7650 * toplev.c (rest_of_compilation): Likewise. Run
7651 thread_prologue_and_epilogue_insns after rebuilding the CFG.
7653 2000-01-28 Richard Henderson <rth@cygnus.com>
7655 * Makefile.in (flow.o): Revert 24 Jan change.
7656 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
7657 FUNCTION_VALUE result to DECL_RESULT's mode.
7659 * haifa-sched.c (schedule_insns): Don't recompute reg info
7662 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
7664 * configure.in: Make --enable-cpplib the default.
7665 * configure: Regenerate.
7666 * gcc.dg/990119-1.c: No longer expected to fail.
7668 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
7670 * jump.c (jump_optimize_1): Delete an optimization that is also done
7671 by merge_blocks in flow.
7673 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7675 * diagnostic.c (build_message_string, output_printf,
7676 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
7677 (build_location_prefix): Fix non-literal format string.
7679 2000-01-27 Richard Henderson <rth@cygnus.com>
7681 * alpha.md (trunctfsf2): New.
7683 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
7685 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
7687 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
7689 * cppinit.c (cpp_handle_option): Recognize C++ comments under
7691 * cpplib.c (skip_block_comment, skip_line_comment): Split code
7693 (skip_comment) ... here. Permit C++ comments in system
7694 headers always. Warn about C++ comments in user code under
7695 -std=gnu89 -pedantic.
7696 (copy_comment): Use skip_comment.
7697 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
7699 (consider_directive_while_skipping, do_else, do_endif): Call
7700 validate_else unconditionally.
7701 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
7702 text after the conditional in a system header.
7703 * cpplib.h (struct cpp_buffer): Add flag
7704 warned_cplusplus_comments.
7706 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
7708 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
7709 Use unshare_all_rtl_1.
7710 (unshare_all_rtl_again): New function.
7711 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
7713 * function.c (purge_addressof_1): Use unshare_all_rtl_again
7714 rather than resetting the 'used' flags ourself.
7716 * toplev.c (rest_of_compilation): Add current_function_decl
7717 to the unshare_all_rtl call.
7718 * tree.h: Prototype unshare_all_rtl.
7719 * rtl.h: Prototype unshare_all_rtl_again here.
7721 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
7723 * genoutput.c (output_prologue): Include ggc.h in generated
7725 * Makefile.in (insn-output.o): Depends on ggc.h.
7727 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
7728 Hans-Peter Nilsson <hp@bitrange.com>
7730 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
7731 Remove redundant include of xm-ns32k.h.
7732 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
7733 Remove redundant include of xm-ns32k.h.
7734 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
7735 Remove redundant include of xm-ns32k.h.
7736 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
7738 * ns32k/ns32k.h: Update comment on multiply-add instructions.
7739 (TARGET_SWITCHES): Add documentation strings.
7740 (DWARF_FRAME_REGNUM): Override default definition.
7741 (REG_CLASS_CONTENTS): Add comments.
7742 (SUBSET_P): Format to reduce line length.
7743 (SMALL_REGISTER_CLASSES): Make a run time option.
7744 (GO_IF_NONINDEXED_ADDRESS): Reformat.
7745 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
7746 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
7747 (regclass_map): fix typo in comment.
7748 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
7749 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
7750 (trace, reg_or_mem_operand): Delete, unused function.
7751 (calc_address_cost): Small offsets are cheaper than large ones.
7752 (expand_block_move): Generate more efficient code when bytes is a
7753 known at compile time.
7754 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
7755 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
7756 instead of reg_or_mem_operand.
7758 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
7759 not general_operand. Similarly use "=rm" or stricter, not "=g".
7760 For input operands, use stricter constraints than "g" if not
7761 general_operand. Similarly use stricter predicate than
7762 "general_operand" when stricter constraints than "g" are present,
7763 except for matching constraints.
7764 (movstrsi): Use "memory_operand" for operands 0 and 1.
7765 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
7766 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
7767 not reg_or_mem_operand.
7768 (udivmoddisi4): Ditto.
7769 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
7770 Use nonimmediate_operand for operand 3, not register_operand.
7771 (udivmoddiqi4_internal): Use register_operand for operand 1, not
7774 2000-01-27 Fred Fish <fnf@be.com>
7776 * gthr-posix.h: Fix typo; compatibily -> compatibility.
7777 * gthr-single.h: Likewise.
7778 * gthr-solaris.h: Likewise.
7779 * gthr-vxworks.h: Likewise.
7780 * gthr-win32.h: Likewise.
7783 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
7785 * cppinit.c: Add " (cpplib)" to end of string printed by
7788 2000-01-27 Richard Henderson <rth@cygnus.com>
7790 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
7791 testing for a signed comparison.
7792 (alpha_emit_floatuns): New.
7793 * alpha-protos.h: Declare it.
7794 * alpha.md (floatunsdisf2, floatunsdidf2): New.
7795 (extendsfdf2): Tidy.
7797 2000-01-27 Jakub Jelinek <jakub@redhat.com>
7799 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
7800 no -g option specifying debugging format, default to -gstabs+.
7802 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7804 * calls.c (special_function_p): New argument fork_or_exec.
7805 (expand_call): When profile_arc_flag is set and the function
7806 is in the fork_or_exec group, call __bb_fork_func first.
7807 * libgcc2.c, _bb module (__bb_fork_func): New function.
7808 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
7810 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
7811 * tree.h (special_function_p): Update prototype.
7813 2000-01-26 Richard Henderson <rth@cygnus.com>
7815 * alpha.c (alpha_split_tfmode_pair): New.
7816 * alpha-protos.h: Declare it.
7817 * alpha.md (abstf2, negtf2): New.
7818 (movtf insn): Add input G constraint.
7819 (movtf splitter): Use alpha_split_tfmode_pair.
7821 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7823 * i386/cygwin.h: PROTO -> PARAMS.
7825 2000-01-26 Jakub Jelinek <jakub@redhat.com>
7827 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
7828 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
7829 using _Qp_cmp/_Q_cmp and testing the return value.
7830 (print_operand): Call reverse_condition_maybe_unordered if
7831 we are handling CCFPmode or CCFPEmode.
7832 Handle ORDERED, UN* and LTGT comparisons.
7833 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
7834 if not TARGET_HARD_QUAD.
7835 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
7836 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
7837 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
7838 Adjust gen_b* calls so that they reflect return comparison of
7839 sparc_emit_float_lib_cmp.
7841 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7843 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
7844 incoming operands array is large enough for one more operand.
7845 (alpha_emit_xfloating_arith): Likewise.
7847 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
7849 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
7850 file with one line and no trailing newline.
7851 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
7852 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
7853 checking if the match is on the line.
7854 * fixinc/gnu-regex.c: Provide regerror not __regerror.
7856 2000-01-25 Richard Henderson <rth@cygnus.com>
7858 * sparc.c (output_cbranch): Fix accidental squashing of the
7859 fp branch pre-delay nop.
7861 2000-01-25 Richard Henderson <rth@cygnus.com>
7863 * tree.def (UNNE_EXPR): Remove.
7864 * c-typeck.c (build_binary_op): Don't handle it.
7865 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
7867 * rtl.def (UNNE): Remove.
7869 * jump.c (reverse_condition): Update accordingly.
7870 (swap_condition): Likewise.
7871 (comparison_dominates_p): Handle unordered comparisons.
7872 (reverse_condition_maybe_unordered): New.
7873 * rtl.h (reverse_condition_maybe_unordered): Declare.
7875 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
7876 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
7877 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
7878 * sparc.md (bltgt): New.
7880 2000-01-25 Nick Clifton <nickc@redhat.com>
7882 * emit-rtl.c (emit_insn): Only check machine class insns for
7883 improper emission of a RETURN.
7885 2000-01-25 Richard Henderson <rth@cygnus.com>
7887 * Makefile.in (flow.o): Depend on $(EXPR_H).
7888 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
7889 duplicate the structure of diddle_return_value for keeping regs live.
7891 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7893 * loop.c (current_loop_info): Delete.
7894 (consec_sets_invariant_p): Add loop argument, update callers.
7895 (get_condition_for_loop): Likewise.
7896 (count_nonfixed_reads, update_giv_derive): Likewise.
7897 (simplify_giv_expr, general_induction_var): Likewise.
7898 (consec_sets_giv, recombine_givs): Likewise.
7899 (move_movables): Delete loop_start and loop_end arguments,
7900 add loop argument, and update callers.
7901 (find_mem_givs, check_final_value): Likewise.
7902 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
7903 (loop_invariant_p): Rename from invariant_p, add loop argument, and
7905 (basic_induction_var): Add loop argument, delete loop_level argument,
7907 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
7908 add loop argument, and update callers.
7909 (find_splittable_regs, find_splittable_givs): Likewise.
7910 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
7911 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
7912 (biv_total_increment): Delete loop_start and loop_end arguments;
7914 (precondition_loop_p): Delete loop_start and loop_info arguments;
7916 * loop.h (get_condition_for_loop): Add loop argument.
7917 (biv_total_increment): Delete loop_start and loop_end arguments.
7918 (precondition_loop_p): Delete loop_start and loop_info arguments;
7920 (final_biv_value): Delete loop_start and loop_end arguments;
7922 (final_giv_value, back_branch_in_range_p): Likewise.
7924 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
7926 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
7928 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
7930 * Makefile.in (c-gperf.h) : Change the "See" pointer to
7931 point to the new "generated_files" doc.
7933 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
7935 * config/fp-bit.c (_unord_f2): Fix typo.
7937 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
7939 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
7940 c-typeck.c, objc/objc-act.c: Remove all references to obstack
7941 functions obsoleted by GC, such as push_obstacks_nochange,
7942 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
7943 and code which existed only to decide whether or not to call
7944 them. Remove now-unused NESTED argument from start_function;
7945 all callers changed. Do not change behavior based on ggc_p.
7946 The use of the ixp_obstack in c-iterate.c and the util_obstack
7947 in objc/objc-act.c remain; these are not obsoleted by garbage
7949 * c-tree.h: Update prototype for start_function.
7951 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
7953 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
7955 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
7958 2000-01-25 Richard Henderson <rth@cygnus.com>
7960 * sparc-protos.h (select_cc_mode): Declare.
7961 * sparc.c (select_cc_mode): New. Handle unordered compares.
7962 (output_cbranch): Always reverse via code change. Handle
7963 unordered compares. Factor tests and string updates.
7964 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
7965 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
7966 * sparc.md (bunordered, bordered): New.
7967 (bungt, bunlt, buneq, bunge, bunle): New.
7969 2000-01-25 Richard Henderson <rth@cygnus.com>
7971 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
7972 * ggc-common.c (ggc_add_rtx_varray_root): New.
7973 (ggc_mark_rtx_varray): New.
7974 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
7975 functions down below ggc_mark_foo.
7976 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
7978 2000-01-25 Richard Henderson <rth@cygnus.com>
7980 * alpha.c (secondary_reload_class): Don't allocate a secondary
7981 for integral mode memories into FLOAT_REGS. Rearrange the more
7982 complicated memory expression inward.
7984 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
7986 * inclhack.def: Fixes to play nicer with FreeBSD, and
7987 corrections to comments.
7988 (cxx_unready): Add select expression.
7989 (irix_sockaddr): Add bypass expression.
7990 (machine_ansi_h_va_list): New fix.
7991 (stdio_va_list): No need to edit _BSD_VA_LIST_.
7992 Split out addition of "#include <stdarg.h>" to...
7993 (stdio_stdarg_h): ... here.
7994 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
7995 to stdlib.h also. Do not munge _BSD_SIZE_T_.
7996 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
7998 (ultrix_ifdef): Tighten up select expression.
8000 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
8001 re_ct and max_mach to avoid use of shell. Make printed names
8002 match names in inclhack.def. Use static copyright date.
8003 Don't count c_test and test expressions as requiring regex_t
8004 slots. Add some commentary.
8005 * inclhack.tpl: Do not include the 'This script contains N
8006 fixup scripts' line if PROGRAM is defined. Use static
8009 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
8011 * dwarf2out.c: include "varray.h", not dyn-string.h.
8012 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
8013 (addr_const_to_string, addr_to_string): Lose.
8014 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
8015 (struct dw_val_struct): val_addr is now an rtx.
8016 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
8017 (used_rtx_varray): New varray.
8018 (dwarf2out_init): Initialize it.
8020 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
8022 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
8023 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
8024 * Makefile.in (dwarf2out.o): Update dependencies.
8026 2000-01-24 Richard Henderson <rth@cygnus.com>
8028 * i386.c (i386_dwarf_output_addr_const): New.
8029 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
8031 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
8033 * dwarfout.c (output_mem_loc_descriptor): Likewise.
8034 * i386.c (i386_simplify_dwarf_addr): New.
8035 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
8037 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
8039 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
8040 TYPE_STUB_DECL is NULL.
8042 2000-01-24 Richard Henderson <rth@cygnus.com>
8044 * builtins.c (expand_tree_builtin): Move ...
8045 * c-common.c (expand_tree_builtin): ... here.
8047 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8049 * loop.h (LOOP_INFO): New accessor macro.
8050 * basic-block.h (struct loop): Rename field `info' to `aux'.
8051 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
8052 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
8053 * unroll.c (loop_iterations, unroll_loop): Likewise.
8055 2000-01-24 Christopher Faylor <cgf@cygnus.com>
8057 * config/i386/t-cygwin: Accomodate new winsup directory layout
8058 when searching for include files.
8060 2000-01-24 Richard Henderson <rth@cygnus.com>
8062 * rtl.def: Add unordered fp comparisions.
8063 * tree.def: Likewise.
8064 * tree.h: Add ISO C 9x unordered fp comparision builtins.
8066 * builtins.c (expand_tree_builtin): New function.
8067 * c-typeck.c (build_function_call): Use it.
8068 (build_binary_op): Support unordered compares.
8069 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
8071 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
8072 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
8073 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
8074 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
8075 * jump.c (reverse_condition): Don't abort for UNLE etc, but
8077 (swap_condition): Handle unordered compares.
8078 (thread_jumps): Check can_reverse before reversing.
8079 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
8082 * optabs.c (can_compare_p): New argument CODE. Verify branch or
8083 setcc is present before acking for cmp_optab. Update all callers.
8084 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
8085 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
8086 * expr.c (expand_expr): Likewise. Support unordered compares.
8087 (do_jump, do_store_flag): Likewise.
8088 * expr.h (enum libfunc_index): Add unordered compares.
8090 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
8091 (DPBIT_FUNCS): Add _unord_df.
8092 * config/fp-bit.c (_unord_f2): New.
8093 * fp-test.c (main): Try unordered compare builtins.
8095 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
8096 * alpha.c (alpha_comparison_operator): Check mode properly.
8097 (alpha_swapped_comparison_operator): Likewise.
8098 (signed_comparison_operator): Likewise.
8099 (alpha_fp_comparison_operator): New.
8100 (alpha_emit_conditional_branch): Handle unordered compares.
8101 * alpha.h (PREDICATE_CODES): Update.
8102 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
8103 (bunordered, bordered): New.
8105 2000-01-24 Richard Henderson <rth@cygnus.com>
8107 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
8108 * alpha.md (movtf): New expander, insn, and splitter.
8110 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
8112 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
8115 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
8117 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
8118 (FIXED_REGISTERS, CALL_USED_REGISTERS,
8119 REG_ALLOC_ORDER): Add frame pointer
8120 (FRAME_POINTER_REGNUM): Set to 20
8121 (HARD_FRAME_POINTER_REGNUM): New macro.
8122 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
8123 to HARD_FRAME_POINTER.
8124 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
8125 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
8126 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
8127 (HI_REGISTER_NAMES): Add "frame".
8128 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
8129 (debug_reg): Handle FRAME_POINTER_REGNUM.
8130 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
8131 GENERAL_REGS and INDEX_REGS.
8132 * i386.c (SAVED_REGS_FIRST): new macro.
8133 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
8134 (ix86_decompose_address, memory_address_length): Likewise.
8135 (regclass_map): Add frame pointer.
8136 (call_insn_operand): Handle frame_pointer_rtx.
8137 (reg_no_sp_operand): Likewise.
8138 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
8139 (print_operand, legitimize_pic_address): Fix formating.
8140 (ix86_compute_frame_size): Make static, update prototype, new
8141 parameters padding1, padding2, use ix86_nsaved_regs, use
8142 stack_alignment_needed.
8143 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
8144 to HARD_FRAME_POINTER_REGNUM conversions.
8145 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
8146 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
8147 (print_reg): Abort on FRAME_POINTER_REGNUM
8149 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
8151 * i386.h (PREDICATE_CODES): Add aligned_operand.
8152 * i386.c (aligned_operand): New function.
8153 (ix86_aligned_p): Kill.
8154 * i386.md (movhi_1): Emit mov for aligned operands.
8155 (promoting peep2s): Use aligned_operand.
8157 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
8159 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
8160 expression to allow underscores in macro names.
8161 (fix_char_macro_defines): Increment scanning pointer.
8163 2000-01-23 Richard Henderson <rth@cygnus.com>
8165 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
8166 * alpha/osf5.h: New file.
8167 * configure.in (alpha-*-osf5): Add it to tm_file.
8169 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
8171 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
8172 (alpha_emit_xfloating_cvt, function_arg): Declare.
8173 * alpha.c (alpha_emit_conditional_branch): Call
8174 alpha_emit_xfloating_compare for TFmode compares.
8175 (alpha_lookup_xfloating_lib_func): New.
8176 (alpha_compute_xfloating_mode_arg): New.
8177 (alpha_emit_xfloating_libcall): New.
8178 (alpha_emit_xfloating_arith): New.
8179 (alpha_emit_xfloating_compare): New.
8180 (alpha_emit_xfloating_cvt): New.
8181 (print_operand): Add default abort case.
8182 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
8183 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
8184 (BIGGEST_ALIGNMENT): Increase to 128 bits.
8185 (RETURN_IN_MEMORY): True for TF/TCmode.
8186 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
8187 (FUNCTION_ARG): Move to function_arg.
8188 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
8189 (ASM_OUTPUT_LONG_DOUBLE): New.
8190 (ASM_OUTPUT_DOUBLE): Always output bits.
8191 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
8192 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
8193 (extenddftf2, trunctfdf2): New.
8195 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8197 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
8198 * config/sparc/sol2.h: ... here.
8200 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8202 * basic-block.h (struct loops): New field `levels'.
8203 * flow.c (flow_loops_level_compute): Traverse all outer loops.
8204 (flow_loop_level_compute): Initialise level to 1.
8205 (flow_loops_find): Set loops->levels.
8206 (flow_loops_dump): Print loops->levels.
8208 2000-01-23 Richard Henderson <rth@cygnus.com>
8210 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
8211 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
8213 2000-01-23 Richard Henderson <rth@cygnus.com>
8215 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
8216 * i386.h (DBX_REGISTER_NUMBER): Use them.
8217 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
8218 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
8219 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
8220 * i386/sequent.h: Kill incorrect comment.
8222 2000-01-23 Mark Mitchell <mark@codesourcery.com>
8224 * ggc-page.c (struct page_entry): Make `context_depth' an
8226 (struct globals): Likewise.
8228 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
8230 * loop.c (check_dbra_loop): When checking a loop for
8231 reversability, check the source of any stores to ensure
8232 they don't depend on an initial value.
8234 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8236 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
8238 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
8240 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
8241 'pz_scan' into scope of entire function. Only affects
8242 compiles with -DDEBUG.
8244 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
8246 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
8247 section naming to that prior to 2000-01-07 patch.
8248 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
8249 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
8250 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
8251 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
8252 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
8254 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
8256 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
8259 2000-01-21 Jim Wilson <wilson@cygnus.com>
8261 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
8262 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
8264 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
8266 * cpphash.c (change_newlines): Delete function.
8267 (struct argdata): Delete 'newlines' and 'use_count' fields.
8268 (macroexpand): Remove code referencing those fields.
8270 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8272 * loop.c (loops_info): New variable.
8273 (loop_optimize): Allocate loops->array and free it on exit.
8274 Allocate memory for loops_info and assign to each loop,
8276 (find_and_verify_loops): Do not allocate loops->array.
8278 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
8280 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
8282 2000-01-21 Jakub Jelinek <jakub@redhat.com>
8284 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
8285 pseudos if expanded after first flow.
8286 (movdi_pic_label_ref): Likewise.
8288 2000-01-20 Richard Henderson <rth@cygnus.com>
8290 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
8292 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
8294 * Makefile.in (fixinc.sh): Depend on specs.
8295 * fixinc/Makefile.in: Add rule to create machname.h.
8296 (fixlib.o): Depend on machname.h.
8297 * fixinc/fixtests.c (machine_name): New test.
8298 * fixinc/fixfixes.c (machine_name): New fix.
8299 * fixinc/fixlib.c (mn_get_regexps): New helper function for
8300 the machine_name test and fix.
8301 * fixinc/fixlib.h: Prototype it.
8302 * fixinc/inclhack.def (machine_name): Use the C test and fix.
8303 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
8305 * gcc.c (do_spec_1) [case P]: Take care not to create
8306 identifiers with three leading or trailing underscores.
8308 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
8309 (fixincl): Don't specify libraries twice on link line.
8310 (gnu-regex.o): Remove special rule.
8311 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
8312 defined by config.h. Do not define _REGEX_RE_COMP.
8313 (regcomp): Allocate and initialize a fastmap.
8314 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
8316 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
8318 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
8320 2000-01-19 Richard Henderson <rth@cygnus.com>
8322 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
8323 arguments with BB. Update all callers. Tidy line wrapping.
8325 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
8327 * emit-rtl.c (try_split): Return last_insn if we split the
8330 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
8332 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
8333 (ix86_initial_elimination_offset): Declare.
8334 * i386.c (ix86_nsaved_regs): Break out from ...
8335 (ix86_can_use_return_insn_p): ... here.
8336 (ix86_emit_save_regs): Break out from ...
8337 (ix86_expand_prologue): ... here.
8338 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
8340 (ix86_expand_epilogue): ... here.
8341 (ix86_compute_frame_size): Make static, add prototype.
8342 (ix86_initial_elimination_offset): Break out from ...
8343 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
8345 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8347 * recog.h (OUT_FCN): Delete.
8349 * vax.md: Call `get_insn_template' instead of OUT_FCN.
8351 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8353 * cppalloc.c: PROTO -> PARAMS.
8354 * cpperror.c: Likewise.
8355 * cppfiles.c: Likewise.
8356 * cpplib.c: Likewise.
8357 * cpplib.h: Likewise.
8359 * config/arm/arm-protos.h: PROTO -> PARAMS.
8360 * config/arm/arm.c: Likewise.
8361 * config/c4x/c4x.c: Likewise.
8362 * config/fr30/fr30-protos.h: Likewise.
8363 * config/nextstep.c: Likewise.
8364 * config/pa/pa.c: Likewise.
8365 * config/pj/pj.c: Likewise.
8366 * config/rs6000/rs6000.c: Likewise.
8367 * config/v850/v850-protos.h: Likewise.
8368 * config/v850/v850.c: Likewise.
8370 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8372 * i370-protos.h: New file.
8374 * i370.c: Include tm_p.h. Fix compile time warnings.
8376 * i370.h: Move prototypes to i370-protos.h. Fix compile time
8379 * i370.md: Likewise.
8381 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8383 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
8384 (target_isinf, target_isnan, eisnan): Mark parameter with
8386 (eiisinf): Wrap in INFINITY.
8387 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
8388 (ibmtoe): Remove unused variable `rndsav'.
8390 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8392 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
8393 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
8395 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
8397 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
8398 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
8399 (fix_char_macro_defines, fix_char_macro_uses): New functions.
8401 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
8402 Recognize Emacs mode markers also.
8403 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
8404 C++ comments in C++ headers. Call is_cxx_header only if
8407 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
8409 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
8410 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
8411 ... these, which use the new C fixes.
8412 (math_exception): Escape literal '+' in bypass expression.
8414 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
8417 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8419 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
8422 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8424 * loop.c (loop_optimize): Allocate loop_info structure for each loop
8425 prior to calling scan_loop.
8427 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8429 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
8430 (split_branches, calc_live_regs): Likewise.
8432 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8434 * sh.md (fpu_single, fp_mode): New attributes.
8436 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8438 * loop.c (current_loop_info): Renamed from loop_info_data
8439 and changed to a pointer.
8440 (loop_optimize): Allocate loop_info structure for each loop
8441 and initialise to zero.
8442 (scan_loop): Set current_loop_info.
8444 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
8447 2000-01-19 Richard Henderson <rth@cygnus.com>
8449 * stupid.c: Die die die.
8450 * Makefile.in (OBJS): Remove stupid.o.
8451 (stupid.o): Likewise.
8453 * except.c (emit_eh_context): Don't emit USEs for stupid.
8454 * explow.c (probe_stack_range): Likewise.
8455 * flags.h (obey_regdecls): Remove.
8456 * flow.c (find_basic_blocks): Don't run try_merge_blocks
8457 when not optimizing.
8458 (life_analysis): Limit data collection when not optimizing.
8459 (mark_regs_live_at_end): Always mark the return value registers.
8460 (mark_used_regs): Remove dummy RETURN case.
8461 (print_rtl_with_bb): Don't consult obey_regdecls.
8462 * function.c (use_variable, use_variable_after): Remove.
8463 (assign_parms): Consult optimize not obey_regdecls.
8464 (expand_function_start): Don't emit USEs for stupid.
8465 (expand_function_end): Likewise.
8466 * global.c (build_insn_chain): Export.
8467 * integrate.c (expand_inline_function): Kill return-value USE
8469 * jump.c (jump_optimize_1): Do simple jump optimizations and
8470 dead code elimination.
8471 (calculate_can_reach_end): Remove check_deleted argument.
8472 (delete_insn): Patch out insns even when not optimizing.
8473 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
8474 * rtl.h (use_variable, use_variable_after): Remove declarations.
8475 (build_insn_chain): Declare.
8476 * stmt.c (expand_value_return): Don't emit USEs for stupid.
8477 (expand_end_bindings): Likewise.
8478 (expand_decl): Likewise. Consult optimize not obey_regdecls.
8479 * toplev.c (obey_regdecls): Remove.
8480 (rest_of_compilation): Don't set it. Kill stupid in favour of
8481 flow1, local-alloc, and reload.
8482 (main): Don't set obey_regdecls.
8484 * config/nextstep.c (handle_pragma): Likewise.
8486 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
8488 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
8490 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8492 * alpha-protos.h: PROTO -> PARAMS.
8493 * alpha.c: Likewise.
8495 * h8300.c: Likewise.
8496 * i386-protos.h: Likewise.
8498 * m32r-protos.h: Likewise.
8501 * mips.md: Likewise.
8502 * gmon-sol2.c: Likewise.
8503 * sparc.c: Likewise.
8505 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8507 * ns32k-protos.h: New file.
8509 * ns32k.c: Fix compile time warnings.
8511 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
8514 * ns32k.md: Likewise.
8516 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8518 * vax-protos.h: New file.
8520 * vax.c: Fix compile time warnings.
8522 * vax.h: Move prototypes to vax-protos.h. Fix compile time
8527 * vaxv.md: Likewise.
8529 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8531 * romp-protos.h: New file.
8533 * romp.c: Fix compile time warnings.
8535 * romp.h: Move prototypes to romp-protos.h. Fix compile time
8538 * romp.md: Likewise.
8540 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8542 * we32k-protos.h: New file.
8544 * we32k.c: Fix compile time warnings.
8546 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
8549 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8551 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
8553 * except.c (eh_regs): Likewise.
8555 * final.c (output_operand): Likewise.
8557 * fold-const.c (target_isinf, target_isnan): Likewise.
8559 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8561 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
8562 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
8564 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
8566 (clrstrsi): Rewrite.
8567 (strsethi, strsetqi): New expanders.
8568 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
8569 (cmpstrsi): Emit compare insn before cmpstrsi_1
8570 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
8571 (strlensi_1): Likewise.
8572 (cmpstrsi_1): Likewise; do not output compare.
8573 (strlen expander): Do not unroll when optimizing for size.
8574 (*subsi3_carry): Rename to subsi3_carry
8575 (addqi3_cc): New pattern.
8576 * i386.h (processor_costs): Add move_ratio field.
8577 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
8578 * i386.c (*_cost): Set move_ratio.
8579 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
8580 (x86_expand_strlensi_1): Rewrite the main loop.
8582 2000-01-17 Richard Henderson <rth@cygnus.com>
8584 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
8585 * cse.c (find_comparison_args, fold_rtx): Likewise.
8586 * integrate.c (subst_constants): Likewise.
8587 * loop.c (get_condition): Likewise.
8589 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
8591 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
8593 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8595 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
8596 (RESTORE_WARN_FLAGS): Unpack it.
8597 Change semantic type of extension to ttype.
8598 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
8599 * c-parse.y, c-parse.c, objc/objc-parse.y,
8600 objc/objc-parse.c: Regenerate.
8602 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
8604 * fixinc/fixlib.c: Add copyright notice.
8605 (compile_re): New function.
8606 * fixinc/fixlib.h: Prototype compile_re.
8608 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
8609 Use compile_re to compile regular expressions.
8611 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
8612 where the pattern matched.
8614 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
8616 (ultrix_ansi_compat): Likewise.
8617 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
8619 (interactv_add2, interactv_add3): Delete.
8620 (x11_sprintf): Don't use filename glob.
8621 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
8624 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8626 * print-rtl.c: PROTO -> PARAMS.
8628 * reg-stack.c: Likewise.
8629 * resource.c: Likewise.
8630 * sdbout.h: Likewise.
8631 * simplify-rtx.c: Likewise.
8632 * stor-layout.c: Likewise.
8633 * stupid.c: Likewise.
8634 * xcoffout.c: Likewise.
8635 * xcoffout.h: Likewise.
8637 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8639 * toplev.c: PROTO -> PARAMS.
8640 * toplev.h: Likewise.
8643 * unroll.c: Likewise.
8644 * varasm.c: Likewise.
8645 * varray.c: Likewise.
8646 * varray.h: Likewise.
8648 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8650 * reload.c: PROTO -> PARAMS.
8651 * reload.h: Likewise.
8652 * reload1.c: Likewise.
8653 * reorg.c: Likewise.
8654 * resource.h: Likewise.
8657 * rtlanal.c: Likewise.
8658 * sbitmap.h: Likewise.
8659 * sdbout.c: Likewise.
8660 * stack.h: Likewise.
8662 * system.h: Likewise.
8664 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8666 * machmode.h: PROTO -> PARAMS.
8667 * mbchar.h: Likewise.
8668 * mips-tdump.c: Likewise.
8669 * mips-tfile.c: Likewise.
8670 * optabs.c: Likewise.
8671 * output.h: Likewise.
8672 * prefix.c: Likewise.
8673 * profile.c: Likewise.
8674 * protoize.c: Likewise.
8676 * recog.c: Likewise.
8677 * recog.h: Likewise.
8678 * regclass.c: Likewise.
8679 * regmove.c: Likewise.
8682 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8684 * ggc-common.c: PROTO -> PARAMS.
8685 * ggc-page.c: Likewise.
8686 * ggc-simple.c: Likewise.
8688 * global.c: Likewise.
8689 * graph.c: Likewise.
8690 * gthr-win32.h: Likewise.
8691 * haifa-sched.c: Likewise.
8692 * halfpic.h: Likewise.
8693 * integrate.c: Likewise.
8694 * integrate.h: Likewise.
8697 * local-alloc.c: Likewise.
8701 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8703 * genattr.c: PROTO -> PARAMS.
8704 * genattrtab.c: Likewise.
8705 * gencheck.c: Likewise.
8706 * gencodes.c: Likewise.
8707 * genconfig.c: Likewise.
8708 * genemit.c: Likewise.
8709 * genextract.c: Likewise.
8710 * genflags.c: Likewise.
8711 * gengenrtl.c: Likewise.
8712 * genopinit.c: Likewise.
8713 * genoutput.c: Likewise.
8714 * genpeep.c: Likewise.
8715 * genrecog.c: Likewise.
8717 2000-01-16 Mark Mitchell <mark@codesourcery.com>
8719 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
8721 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8723 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
8724 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
8725 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
8726 * configure, config.in: Rebuilt.
8728 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
8730 * config/i386/i386.md: Add peephole to merge successive stack
8733 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
8735 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
8736 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
8737 when walking backwards to find all the parameter loads when
8738 the basic block ends in a call.
8740 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8742 * loop.c (this_loop_info): Delete.
8743 (uid_loop): Add in place of uid_loop_num. All uses updated.
8744 (loop_number_exit_count): Delete and replace with entry in loop
8745 structure. All uses updated.
8746 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
8747 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
8748 (loop_outer_loop): Likewise.
8749 (loop_invalid, loop_number_exit_labels): Likewise.
8750 (loop_used_count_register): Delete and replace with entry in
8751 loop_info structure.
8752 (find_and_verify_loops): Add loops argument.
8753 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
8754 loop_end, etc. arguments with loop structure pointer. All callers
8756 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
8757 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
8758 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
8759 (insert_bct): Likewise.
8760 (basic_induction_var): New argument level.
8761 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
8762 vtop, and cont. Add used_count_register.
8763 (uid_loop): Delete declaration.
8764 (loop_number_exit_count): Likewise.
8765 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
8766 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
8767 (loop_outer_loop, loop_used_count_register): Likewise.
8768 (loop_invalid, loop_number_exit_labels): Likewise.
8769 (unroll_loop): Replace loop_start and loop_end arguments
8770 with loop structure pointer.
8771 (loop_precondition_p, loop_iterations): Likewise.
8772 Include basic-block.h.
8773 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
8774 with loop structure pointer.
8775 (loop_precondition_p, loop_iterations): Likewise.
8776 * basic-block.h (struct loop): New entries vtop, cont,
8777 cont_dominator, start, end, top, scan_start, exit_labels,
8779 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
8781 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8783 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
8785 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
8787 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
8789 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8791 * pdp11-protos.h: New file.
8793 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
8796 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
8799 * pdp11.md: Likewise.
8803 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8805 * mn10300-protos.h: New file.
8807 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
8810 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
8813 * mn10300.md: Likewise.
8815 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8817 * mn10200-protos.h: New file.
8819 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
8822 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
8825 * mn10200.md: Likewise.
8827 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8829 * h8300-protos.h: New file.
8831 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
8834 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
8837 * h8300.md: Likewise.
8839 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8841 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
8842 (asm_emit_uninitialised): Likewise.
8844 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
8846 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
8847 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
8849 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
8851 * config/mips/mips.c (override_options): Don't turn on extra
8852 alignment for mips16.
8854 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
8856 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
8857 eabi, and make sure queued POSTINCREMENT rtl is emitted at
8860 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
8862 * builtins.c (PAD_VARARGS_DOWN): Define.
8863 (std_expand_builtin_va_arg): Use the above macro.
8864 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
8865 * tm.texi (Register Arguments): Document the above macro.
8867 2000-01-14 Nick Clifton <nickc@cygnus.com>
8869 * emit-rtl.c (emit_insn): If checking is enabled, make sure
8870 that this function has not been used to emit a jump
8873 * jump.c (return_jump_1): Cope with being passed a null rtx.
8875 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8877 * eh-common.h: PROTO -> PARAMS.
8878 * emit-rtl.c: Likewise.
8879 * errors.c: Likewise.
8880 * errors.h: Likewise.
8881 * except.c: Likewise.
8882 * except.h: Likewise.
8883 * explow.c: Likewise.
8884 * expmed.c: Likewise.
8887 * final.c: Likewise.
8888 * fix-header.c: Likewise.
8890 * fold-const.c: Likewise.
8891 * function.c: Likewise.
8892 * function.h: Likewise.
8894 * gcov-io.h: Likewise.
8898 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8900 * sh-protos.h: New file.
8902 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
8903 Add static prototypes. Fix compile time warnings.
8905 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
8909 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8911 * arc-protos.h: New file.
8913 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
8916 * arc.h: Move prototypes to arc-protos.h. Fix compile time
8921 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8923 * dsp16xx-protos.h: New file.
8925 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
8928 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
8931 * dsp16xx.md: Likewise.
8933 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8935 * convex-protos.h: New file.
8937 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
8940 * convex.h: Move prototypes to convex-protos.h. Fix compile time
8943 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8945 * elxsi-protos.h: New file.
8947 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
8950 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
8953 * elxsi.md: Likewise.
8955 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
8957 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
8958 case for moving from HI/LO/HI_LO_REG. This makes the behavior
8959 match the comment for MIPS16.
8961 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
8963 * flow.c (split_edge): Do not call set_block_for_insn if we
8964 do not have a basic_block_for_insn structure.
8966 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
8967 and destination functions are 32bit aligned within the trampoline.
8968 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
8969 (TRAMPOLINE_ALIGNMENT): Define.
8971 * cse.c (cse_insn): When changing (set (pc) (reg)) to
8972 (set (pc) (label_ref)), verify the change creates a valid insn.
8974 * fr30.c (call_operand): Tighten and rework to match rules for
8975 call RTL expressions.
8976 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
8977 * fr30.md (call patterns): Improve constraints.
8979 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
8981 * fr30.c (fr30_expand_epilogue): Revert last change.
8982 Use emit_jump_insn for the return insn.
8984 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
8985 Stan Cox <scox@cygnus.com>
8987 * predict.c: New file. Preliminary infrastructure work for static
8988 branch prediction and basic block reordering.
8989 * basic-block.h: Add prototype for estimate_probability.
8990 * Makefile.in: Add rules for predict.o.
8992 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
8994 * fixincludes (va_list): Use __not_va_list__ for the dummy.
8995 * fixinc/*: Likewise.
8997 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8999 * cccp.c: PROTO -> PARAMS.
9001 * collect2.c: Likewise.
9002 * combine.c: Likewise.
9003 * convert.h: Likewise.
9005 * dbxout.c: Likewise.
9006 * dbxout.h: Likewise.
9007 * diagnostic.c: Likewise.
9008 * doprint.c: Likewise.
9009 * dwarf2out.c: Likewise.
9010 * dwarf2out.h: Likewise.
9011 * dwarfout.c: Likewise.
9012 * dwarfout.h: Likewise.
9013 * dyn-string.h: Likewise.
9015 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9017 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
9018 macro conditionals guarding use.
9020 * dwarf2out.c: Include "tm_p.h".
9022 * function.c (locate_and_pad_parm): Mark parameter with
9024 (expand_function_end): Likewise for variable `context'.
9026 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
9028 2000-01-13 Nick Clifton <nickc@cygnus.com>
9030 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
9031 register to prevent compile time warnings.
9033 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
9035 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
9036 to avoid -Wtraditional warning.
9038 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9040 * 1750a-protos.h: New file.
9042 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
9045 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
9048 * 1750a.md: Likewise.
9050 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9052 * a29k-protos.h: New file.
9054 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
9057 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
9060 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9062 * clipper-protos.h: New file.
9064 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
9067 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
9070 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9072 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
9074 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
9076 * configure.in (--enable-new-gxx-abi): New option.
9077 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
9078 * Makefile.in (GXX_ABI_FLAG): New variable.
9079 * configure: Regenerate.
9081 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9083 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
9084 * tm.texi (FORCE_STRUCT_BLK): Document.
9085 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
9087 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
9089 * config/ns32k/ns32k.md: Revert Jan 9 change.
9091 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
9092 to a mode-test, if the predicate is address_operand.
9094 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
9096 * combine.c (if_then_else_cond): Be careful about what kinds
9097 of RTL expressions are passed to operand_subword.
9099 * flow.c (split_edge): If we have to insert a new jump, make
9100 sure to associate it with a basic block.
9102 * flow.c (commit_one_edge_insertion): A block with one successor
9103 can end in a JUMP_INSN that is not a simplejump.
9105 2000-01-12 Robert Lipe <robertl@sco.com>
9107 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
9108 (BUILD_VA_LIST_TYPE): Define.
9109 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
9112 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
9114 * cccp.c (do_pragma): Add cast to (char *).
9116 2000-01-12 Richard Henderson <rth@cygnus.com>
9117 Fred Fish <fnf@be.com>
9118 Jason Merrill <jason@cygnus.com>
9120 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
9121 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
9122 * i386/beos-elf.h, i386/beos-pe.h: New files.
9124 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
9125 * cross-make (SYSTEM_HEADER_DIR): Define using
9126 CROSS_SYSTEM_HEADER_DIR.
9128 * gcc.c (LIBRARY_PATH_ENV): Provide default.
9129 (process_command): Use it.
9130 (main): Likewise. Kill trailing = from env vars.
9131 (build_search_list): Put it back.
9132 * collect2.c (main): Use LIBRARY_PATH_ENV.
9134 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
9135 * toplev.c: Use NEED_DECLARATION_ENVIRON.
9137 * tm.texi (Frame Layout): Document SMALL_STACK.
9138 * c-common.c (c_common_nodes_and_builtins): Check it.
9140 * system.h: Undef alloca after including glibc's <stdlib.h>,
9141 if USE_C_ALLOCA is defined.
9143 * gcc.c (set_input): New fn.
9144 (main): After all input files are compiled, reset the input file
9147 * aclocal.m4 (rindex, index): If already defined, don't attempt
9150 * ginclude/varargs.h: (__va_list__): Define ifndef.
9151 * ginclude/stdarg.h: Likewise.
9153 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
9154 instead of unsigned char.
9156 * hash.h (true, false, boolean): Undef before enum.
9158 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
9159 proper type of "HOST_WIDE_INT *", rather than their natural type of
9160 "unsigned HOST_WIDE_INT *".
9162 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9164 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
9166 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
9168 * regclass.c (choose_hard_reg_mode): Likewise.
9170 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
9172 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
9174 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9176 * c-common.c: PROTO -> PARAMS.
9177 * c-common.h: Likewise.
9178 * c-decl.c: Likewise.
9179 * c-iterate.c: Likewise.
9180 * c-lang.c: Likewise.
9181 * c-lex.c: Likewise.
9182 * c-lex.h: Likewise.
9183 * c-parse.in: Likewise.
9184 * c-pragma.c: Likewise.
9185 * c-pragma.h: Likewise.
9186 * c-tree.h: Likewise.
9187 * c-typeck.c: Likewise.
9188 * objc/objc-act.c: Likewise.
9189 * objc/objc-act.h: Likewise.
9191 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9193 * m88k-protos.h: New file.
9195 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
9198 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
9200 * m88k.md: Likewise.
9202 * tekXD88.h: Likewise.
9204 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9206 * m68k-protos.h: New file.
9208 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
9211 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
9213 * mot3300.h: Likewise.
9215 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
9217 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
9219 (extract_bitlist): Declare bitlen.
9221 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
9223 * cccp.c: Accept and ignore -lang-fortran.
9225 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
9226 qualifiers don't match at any level of pointerness.
9228 2000-01-12 Robert Lipe <robertl@sco.com>
9230 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
9232 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
9234 * reload1.c (reload_reg_unavailable): New static variable.
9235 (reload_reg_free_p): Test it.
9236 (reload_reg_free_for_value_p): Test it instead of
9238 (choose_reload_regs_init): Compute it.
9240 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
9242 * reorg.c (fill_slots_from_thread): Check modified_in_p
9245 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
9247 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
9248 these nodes even if INTERNALS is not set.
9250 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
9252 * gcse.c (delete_null_pointer_checks_1): Cope when
9253 get_condition cannot determine the condition.
9255 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
9257 * toplev.h (set_message_length): Declare.
9259 * diagnostic.c (obstack_chunk_alloc): Define macro.
9260 (obstack_chunk_free): Likewise.
9261 (struct output_buffer): New data structure.
9263 (output_maximum_width): New variable.
9264 (doing_line_wrapping, set_message_length, init_output_buffer,
9265 get_output_prefix, output_space_left, emit_output_prefix,
9266 output_newline, output_append, output_puts, dump_output,
9267 vbuild_message_string, build_message_string, build_location_prefix,
9268 voutput_notice, output_printf, line_wrapper_printf,
9269 vline_wrapper_message_with_location): New functions. Implement
9270 automatic line wrapping.
9271 (v_message_with_decl): Make it handle automatic line wrapping.
9272 (v_error_with_file_and_line): Likewise.
9273 (v_warning_with_file_and_line): Likewise.
9274 (announce_function): Likewise.
9275 (default_print_error_function): Likewise.
9277 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
9279 * cpplib.h (struct cpp_options): Change lang_asm to char.
9281 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
9282 done in cpp_handle_option now.
9283 (initialize_builtins): Take out special case code used only by
9285 (cpp_handle_option): Turn off trigraphs and trigraph warnings
9286 if -traditional. Recognize -lang-fortran and set
9287 lang_fortran, also turn off cplusplus_comments.
9288 (print_help): Document -lang-fortran.
9289 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
9290 lang_asm. Ignore all directives other than `# 123 "file"' if
9292 (cpp_get_token): If -traditional, don't recognize directives
9293 unless the # is in column 1.
9294 (parse_string): If lang_fortran or lang_asm, silently
9295 terminate strings ('' or "") at end of line.
9296 Remove unnecessary braces.
9298 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9299 Richard Henderson <rth@cygnus.com>
9301 * resource.c (mark_referenced_resources): Mark a set strict_low_part
9303 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
9304 strict_low_part when possible.
9306 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9308 * alias.c: PROTO -> PARAMS.
9309 * basic-block.h: Likewise.
9310 * bitmap.c: Likewise.
9311 * bitmap.h: Likewise.
9312 * builtins.c: Likewise.
9313 * c-aux-info.c: Likewise.
9314 * caller-save.c: Likewise.
9315 * calls.c: Likewise.
9317 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9319 * Makefile.in (toplev.o): Depend on regs.h.
9321 * output.h (tdesc_section): Prototype.
9323 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
9325 * sdbout.c: Include "tm_p.h".
9327 * toplev.c: Include "regs.h".
9329 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
9331 * unroll.c (unroll_loop): Add EH support.
9333 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9335 * pa-protos.h: New file.
9337 * pa.c: Include recog.h and tm_p.h.
9338 (compute_zdepwi_operands, compute_movstrsi_length,
9339 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
9340 find_addr_reg, import_milli): Add static prototypes.
9341 (pa_cpu_string, pa_arch_string): Constify a char*.
9342 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
9343 (read_only_operand): Add argument `mode'.
9344 (singlemove_string, output_move_double, output_fp_move_double,
9345 output_block_move, output_and, output_ior, output_ascii,
9346 remove_useless_addtr_insns, milli_names, output_mul_insn,
9347 output_div_insn, output_mod_insn, output_arg_descriptor,
9348 output_cbranch, output_bb, output_bvb, output_dbra, ,
9349 output_millicode_call, output_call, hppa_encode_label,
9350 output_parallel_movb, output_parallel_addb): Constify a char*.
9351 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
9352 (output_parallel_addb): Remove extra arg to `constrain_operands'
9354 * pa.h: Move all prototypes to pa-protos.h.
9355 (pa_cpu_string, pa_arch_string): Constify a char*.
9356 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
9358 * pa.md: Call `function_label_operand' with mode argument.
9359 Likewise for `read_only_operand'.
9360 Fix nesting of parens in call to `symbolic_operand'.
9362 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9364 * i860-protos.h: New file.
9366 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
9369 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
9371 * i860.md: Likewise.
9373 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
9375 * i386.md (movstrsi expander): Rewrite.
9376 (movstrsi_1 insn): Deleted.
9377 (strmovhi, strmovqi expander): New expanders.
9378 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
9379 * i386.c (x86_single_stringop): New global variable.
9380 * i386.h (x86_single_stringop): Declare.
9381 (TARGET_SINGLE_STRINGOP): New macro.
9383 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
9385 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
9386 integer vararg POSTINCREMENT before the destination of the jump
9387 for the hard fp case.
9388 (function_arg_pass_by_reference): Pass a copy of CUM to
9391 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
9392 for CONSTANT_ADDRESS_P above while loop for subreg.
9394 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
9396 * flow.c (propagate_block): When a prologue/epilogue insn
9397 is marked dead, unconditionally clear libcall_is_dead and
9398 insn_is_dead, and only dump rtl if warnings aren't being
9401 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
9403 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
9404 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
9405 (FIXED_REGISTERS): Set dirflag as fixed.
9406 (CALL_USED_REGISTERS): Set dirflag as used.
9407 (REG_ALLOC_ORDER): Set dirflag as last one.
9408 (DIRFLAG_REG): New macro.
9409 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
9410 (HI_REGISTER_NAMES): Add dirflag.
9411 (DEBUF_PRINT_REG): Handle dirflag.
9412 * i386.md (type attribute): New cld and str types.
9413 (length_opcode attribute): Set cld and str to 1.
9414 (memory attribute): Set str to unknown - it is not clear from the
9416 (pent_np function unit): Prefixed string operations takes 12 cycles
9417 minimally; cld takes 2 cycles.
9418 (ppro_uops attribute): Str is "many" and cld is "few".
9419 (ppro_p0 unit): Handle cld here.
9420 (k6_alux unit): Handle cld and str types.
9421 (k6_load unit): It is ocupied by str opcodes.
9422 (k6_store unit): It is ocupied by str opcodes.
9423 (athlon_decode): Str is vector decoded.
9424 (athlon_ieu): Handle str and cld.
9426 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
9427 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
9428 cmpstrsi_nz_1 insn): Do not output cld instruction
9430 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
9432 * gcc.texi (G++ and GCC): Add Java and Chill.
9433 (Bug Critera): Don't list languages.
9435 * gcc.texi (Incompatibilities): No longer claim most C compilers
9438 * gcc.texi (G++ and GCC): Update other front-ends list.
9440 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
9442 * i386.c (ix86_expand_setcc): Fix typo.
9443 (ix86_expand_movcc): Similarly.
9445 * Band-aid until haifa's bitset implementation is nuked.
9446 * haifa-sched.c (extract_bitlst): New parameter for size of the
9447 bitset in bits. All callers changed. Avoid looking at undefined
9449 (edgeset_bitsize): New variable.
9450 (schedule_region): Initialize edgeset_bitsize.
9452 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9454 * Makefile.in (optabs.o): Depend on real.h
9455 (resource.o): Depend on insn-attr.h
9457 * builtins.c (result_vector): Wrap prototype in macro conditions
9458 governing definition and use.
9460 * c-common.c: Include tm_p.h.
9462 * c-lex.c: Likewise.
9464 * elfos.h: Constify a char*.
9466 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
9467 (get_attr_length, shorten_branches, profile_after_prologue): Mark
9468 parameter with ATTRIBUTE_UNUSED.
9470 * fold-const.c (exact_real_inverse): Wrap variable `i' in
9473 * haifa-sched.c (schedule_insns): Mark parameter with
9476 * optabs.c: Include real.h.
9478 * real.h (ereal_atof): Add prototype arguments.
9480 * resource.c: Include insn-attr.h.
9482 * sdbout.c (sdbout_queue_anonymous_type,
9483 sdbout_dequeue_anonymous_types): Wrap in macro
9484 SDB_ALLOW_FORWARD_REFERENCES.
9485 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
9488 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
9490 * stupid.c: Include tm_p.h.
9492 * tree.c (real_value_from_int_cst): Mark parameter with
9495 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9497 * i960-protos.h: New file.
9499 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
9502 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
9504 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9506 * combine.c (expand_field_assignment): Do not discard SUBREGs
9507 while computing nonzero_bits.
9509 2000-01-09 Nick Clifton <nickc@cygnus.com>
9511 * config/arm/arm.c: Fix compile time warnings about signed vs
9513 * config/arm/arm.h: Fix compile time warnings about signed vs
9516 2000-01-09 Philip Blundell <philb@gnu.org>
9518 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
9519 than `ldm' with only one register.
9520 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
9523 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
9526 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
9528 * config/ns32k/ns32k.md (load or push effective address): Operand 1
9531 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9533 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
9534 assignment used as truth value.
9536 * function.c (assign_temp): Mark parameter `dont_promote' with
9537 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
9538 PROMOTE_FOR_CALL_ONLY.
9540 * genrecog.c (write_subroutine): Mark variable `operands' with
9543 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
9546 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
9547 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
9549 * toplev.c (note_deferral_of_defined_inline_function): Likewise
9552 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9554 * config/c4x.h: Tidy up comments.
9555 * config/c4x.c: Likewise.
9557 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
9559 * fold-const.c (lshift_double, rshift_double): Handle
9560 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
9562 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9564 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
9565 in prepare_function_start().
9567 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
9569 * config/v850/v850.c (expand_epilogue): Interrupt functions no
9570 longer allocate extra stack for function calls.
9572 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9574 * config/c4x/c4x.md (*subqf3_set): Fix typo.
9576 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9578 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
9580 2000-01-07 David Edelsohn <edelsohn@gnu.org>
9582 * rs6000.c (processor_target_table): Add power3 as alias for 630.
9583 * aix43.h: Revert Aug 2 change.
9584 (HAS_INIT_SECTION): Define, not visible yet.
9585 (LD_INIT_SWITCH): Define, not visible yet.
9586 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
9588 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
9590 * collect2.c (main): Expand ld2 size further.
9591 (export_object_lst): Cast assignment to avoid warning.
9592 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
9593 (scan_prog_file, COFF): Do not collect initialization or
9594 finalization functions generated for entire shared object if
9595 init/fini support present.
9597 2000-01-07 Nick Clifton <nickc@cygnus.com>
9599 * config/elfos.h: Tidy up formatting of marcos. Make sure
9600 that .section directives are always prefixed by a tab.
9602 * config/svr4.h: Add #include "elfos.h" and remove duplicate
9605 2000-01-07 Matt Austern <austern@sgi.com>
9607 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
9610 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
9612 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
9614 (crtbegin.o, s-crtS): Likewise.
9616 2000-01-06 Richard Henderson <rth@cygnus.com>
9618 * alpha.md (adddi_2+1): Limit offset such that it will be
9619 loadable with a single ldah+lda pair.
9620 (adddi_2+2): Explicitly fail split if we can't make it work.
9622 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
9624 * protoize.c: Conditionally include unistd.h.
9625 (IS_SAME_PATH_CHAR): New macro.
9626 (IS_SAME_PATH): New macro.
9627 (CPLUS_FILE_SUFFIX): New macro.
9628 (cplus_suffix): New static variable.
9629 (is_abspath): New static function.
9630 (in_system_include_dir): Handle DOS style pathnames.
9631 (file_could_be_converted): Likewise.
9632 (file_normally_convertible): Likewise.
9633 (directory_specified_p): Likewise.
9634 (file_excluded_p): Likewise.
9635 (abspath): Likewise.
9636 (shortpath): Likewise.
9637 (referenced_file_is_newer): Likewise.
9638 (save_def_or_dec): Likewise.
9639 (do_processing): Likewise.
9641 (edit_file): Likewise. Use rename instead of link.
9642 (rename_c_file): Likewise. Don't rename syscalls file.
9643 (munge_compile_params): Define null device for DOS based systems.
9644 (process_aux_info_file): Use binary mode if appliable.
9645 (edit_file): Likewise.
9646 * invoke.texi (Running Protoize): Document C++ suffixes used.
9648 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
9649 IS_DIR_SEPARATOR macros.
9650 * collect2.c: Likewise.
9651 * cppinit.c: Likewise.
9652 * dwarf2out.c: Likewise.
9655 * prefix.c: Likewise.
9657 * toplev.c: Likewise.
9658 * system.h: And move to here.
9660 * prefix.c (update_path): Fix typo in variable name.
9662 2000-01-06 Richard Henderson <rth@cygnus.com>
9664 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
9665 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
9666 (count_reg_sets_1, count_reg_references): Likewise.
9667 (flow_loops_level_compute): Start counting actual loop depth at 1.
9668 (flow_loops_find): Likewise.
9669 * local-alloc.c (update_equiv_regs): Likewise.
9670 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
9672 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
9674 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
9675 FIRST_PSEUDO_REGISTER
9676 * dwarf2out.c: Don't include frame.h
9677 * dwarfout.c: Likewise
9678 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
9681 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
9683 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9686 * i386.c (movsf splitter): Fix typo in my last checkin.
9688 2000-01-05 Nick Clifton <nickc@cygnus.com>
9690 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
9691 own definition of this macro.
9692 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
9693 flag_data_sections or UNIQUE_SECTION_P are true.
9695 * tm.texi (UNIQUE_SECTION): Document that it can be called for
9696 unitialised data decls.
9698 * config/i386/winnt.c (i386_pe_unique_section): Cope with
9699 being called for uninitialised data.
9701 * config/i386/interix.c (i386_pe_unique_section): Cope with
9702 being called for uninitialised data.
9704 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
9705 for uninitialised data.
9707 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
9708 for uninitialised data.
9710 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
9711 for uninitialised data.
9713 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
9714 (UNIQUE_SECTION_P): Always generate a unique section if
9715 flag_data_sections is true.
9716 (UNIQUE_SECTION): Also generate unique sections for
9718 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
9719 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
9722 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9724 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
9727 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9729 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
9730 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
9731 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
9732 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
9733 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
9735 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
9737 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
9739 * c-decl.c (finish_enum): Simplify code to determine minimum and
9740 maximum values of the enum, and calculate the type. Remove check
9741 for FUNCTION_DECLs in the values list, which cannot happen. Replace
9742 the DECL_INITIAL of each enumeration constant with a copy converted
9743 to the enumeration type. When updating variant types, don't bother
9744 updating the type itself.
9746 * c-typeck.c (build_binary_op): Simplify conditional expressions
9747 when weeding out spurious signed-unsigned warnings. Add new
9748 spurious warning category: if the unsigned quantity is an enum
9749 and its maximum value fits in signed_type(result_type). Update
9751 (build_conditional_expr): Warn here if one alternative is signed
9752 and the other is unsigned.
9754 2000-01-05 Nick Clifton <nickc@cygnus.com>
9756 * config/fr30/fr30.h: Remove extraneous comments.
9758 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
9760 * reload1.c (choose_reload_regs): When disabling a reload, also
9761 set reload_spill_index to -1.
9763 2000-01-04 Joel Sherrill (joel@OARcorp.com>
9765 * configure.in (m68*-*-rtemscoff*): New target, formal name for
9767 (m68*-*-rtemself*): New target.
9768 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
9769 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
9770 (sparc*-*-rtemself*): New target.
9771 (sparc*-*-rtems*): Now elf not a.out.
9772 * config/i386/rtems.h: Include config/rtems.h.
9773 * config/i386/rtemself.h: Include config/rtems.h.
9774 * config/i960/rtems.h: Include config/rtems.h.
9775 * config/m68k/rtems.h: Include config/rtems.h.
9776 * config/m68k/rtemself.h: Include config/rtems.h.
9777 * config/mips/rtems64.h: Include config/rtems.h.
9778 * config/pa/rtems.h: Include config/rtems.h.
9779 * config/rs6000/rtems.h: Include config/rtems.h.
9780 * config/sh/rtems.h: Include config/rtems.h.
9781 * config/sh/rtemself.h: Include config/rtems.h.
9782 * config/sparc/rtems.h: Include config/rtems.h.
9783 * config/sparc/rtemself.h: Include config/rtems.h
9785 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
9787 * final.c (shorten_branches): Correctly compute length of
9788 asms without operands.
9790 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
9792 * configure.in: Add pj target.
9793 * configure: Regenerate.
9794 * config/pj: New directory.
9795 * config/pj/lib1funcs.S: New file.
9796 * config/pj/linux.h: New file.
9797 * config/pj/pj.c: New file.
9798 * config/pj/pj.md: New file.
9799 * config/pj/pjl.h: New file.
9800 * config/pj/t-pj: New file.
9801 * config/pj/xm-pj.h: New file
9803 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
9805 * toplev.c (rest_of_compilation): Run shorten-branches before
9808 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9810 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
9811 macros so that they're consistent with their names.
9812 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
9813 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
9815 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9817 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
9818 modified inadvertently.
9820 2000-01-04 Joel Sherrill <joel@OARcorp.com>
9822 * configure.in (v850*-*-rtems*): New target.
9823 * configure: Regenerate.
9824 * config/v850/rtems.h: New file.
9826 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
9828 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
9829 (__gthread_key_create): Likewise.
9830 (__gthread_key_dtor): Likewise.
9831 (__gthread_once): Fix logic.
9832 (__gthread_key_delete): Cast away constness.
9834 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
9835 * invoke.texi: Document.
9836 * i386/mingw32.h (CPP_SPEC): Use.
9837 (LIBGCC_SPEC): Likewise.
9838 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
9840 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9842 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
9843 (HANDLE_PRAGMA_PACK): Undefine.
9844 (SLOW_UNALIGNED_ACCESS): Define.
9846 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9848 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
9849 to default definition.
9850 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
9851 (store_fixed_bit_field): Call macro with word_mode and alignment.
9852 (extract_bit_field): Call macro with relevant mode and alignment.
9853 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
9854 to default definition.
9855 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
9857 (move_by_pieces_ninsns): Likewise.
9858 (clear_by_pieces): Likewise.
9859 (emit_push_insn): Likewise.
9860 (store_field): Call macro with relevant mode and alignment.
9861 (expand_expr): Likewise.
9862 (expand_expr_unaligned): Likewise.
9864 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
9865 (SLOW_UNALIGNED_ACCESS): Define.
9866 (CASE_VECTOR_MODE): Always use 32-bit offsets.
9867 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
9868 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
9869 (toc_section): Likewise and .toc pseudo-op.
9870 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
9872 (TEXT_SECTION_ASM_OP): Likewise.
9873 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
9876 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
9877 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
9878 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
9879 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
9880 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
9882 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
9884 * regclass.c: Revert my Jan 4 change to loop cost computation.
9886 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
9888 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
9891 2000-01-04 Stan Cox <scox@cygnus.com>
9893 * haifa-sched.c (build_control_flow): Change unreachable simple
9894 loop test to check if current block has only one predecessor.
9895 (find_rgns): Initialize degree. Use dest as degree index, not src.
9897 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9899 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
9901 * calls.c (expand_call): Likewise for
9902 `old_stack_arg_under_construction'.
9904 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
9906 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
9909 * gcc.c (execute): Likewise for `ut' and `st'.
9911 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
9913 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
9915 * jump.c (jump_optimize_1): Likewise for `temp2'.
9917 * local-alloc.c (block_alloc): Likewise for `r1'.
9919 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
9921 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
9922 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
9924 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
9927 * reload.c (find_reloads): Likewise for `goal_alternative_number'
9928 and `goal_earlyclobber'.
9930 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
9932 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
9934 * stupid.c (stupid_life_analysis): Likewise for `chain'.
9936 * unroll.c (copy_loop_body): Likewise for `copy'.
9938 * varasm.c (output_constructor): Likewise for `byte'.
9940 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
9942 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
9943 all FP constants for constant->reg moves.
9944 (ix86_split_to_parts): Try to convert memory address into immediate
9945 when available in the constant pool.
9946 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
9948 (LEGITIMATE_CONSTANT_P): Return 1.
9949 * i386.md (pushsf): New splitter to convert constant pool memory
9950 reference to immediate.
9951 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
9954 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
9956 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
9957 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
9958 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
9959 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
9960 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
9962 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
9964 * ginclude/stdbool.h: Support compilation as C++.
9966 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9968 * fold-const.c (make_range): Don't try to reverse an unbounded range.
9970 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
9972 * regclass.c (regclass): Properly compute loop_cost. Adjust
9975 * regclass.c: Fix minor whitespace problems.
9977 2000-01-03 Anthony Green <green@cygnus.com>
9979 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
9980 Restore the pic register if required.
9982 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
9984 * c-common.c (format_char_info): Update comment.
9985 (check_format_info): Recognize 'z' modifier in the same way 'Z'
9986 was recognized. Emit warning for formats new in ISO C99 only
9987 if flag_isoc9x is not set.
9989 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
9991 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
9993 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
9995 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
9996 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
9997 (make_compound_operation): Choose cheaper alternative between
9998 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
10000 * regclass.c (op_costs): Remove global variable.
10001 (record_reg_classes): New parameter "op_costs" and "reg_pref".
10002 (record_operand_costs): Break out from ...
10003 (scan_one_insn): ... here.
10004 (dump_regclass): Make dumps nicer.
10005 (regclass): Dump preferrences choosed and changes done during passes.
10007 2000-01-03 Jakub Jelinek <jakub@redhat.com>
10009 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
10011 2000-01-03 Jakub Jelinek <jakub@redhat.com>
10013 * config/sparc/sparc.c (gen_df_reg): New function.
10014 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
10015 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
10016 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
10017 movtf_cc_reg_sp64+1): Use it.
10019 2000-01-02 Mark Mitchell <mark@codesourcery.com>
10021 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
10022 copied LABEL_DECLs.
10024 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
10026 * config/i386/i386.c (ix86_expand_unary_operator): Function
10027 definition made void.
10028 (ix86_expand_binary_operator): Update outdated preceding comment.
10029 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
10032 * config/i386/i386.c (override_options): Fix option-name typo.
10034 2000-01-02 Mark Mitchell <mark@codesourcery.com>
10036 * system.h (CEIL): Define.
10037 * builtins.c (CEIL): Remove.
10038 * expmed.c (CEIL): Likewise.
10039 * expr.c (CEIL): Likewise.
10040 * stor-layout.c (CEIL): Likewise.
10042 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10044 * expr.c (store_constructor_field): Fix typo introduced with last
10047 2000-01-01 Mark Mitchell <mark@codesourcery.com>
10049 * tree.h (BINFO_N_BASETYPES): New macro.
10051 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
10053 * expmed.c (emit_store_flag): Prevent losing a pending stack
10054 adjust the same way we prevent losing queued increments.
10056 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10058 * function.c (update_temp_slot_address): Handle case where sum of
10059 temporary address plus offset in register is a valid address.
10061 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10063 * genrecog.c (change_state) Corrected typo.
10065 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10067 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
10068 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
10069 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
10071 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
10073 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
10074 case, expand GT comparisons correctly. Fix a comment before this
10077 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
10079 * dwarfout.c: Include "frame.h"
10080 * dwarf2out.c: Likewise.
10081 * Makefile.in (dwarfout.o): Depend on frame.h
10082 (dwarf2out.o): Likewise.
10084 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
10086 Restore i386 binary compatibility in Dwarf EH info.
10087 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
10088 value of FIRST_PSEUDO_REGISTER.
10089 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
10090 (struct frame_state): Use DWARF_FRAME_REGISTERS.
10091 * dwarfout.c (output_reg_number): Ditto.
10092 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
10093 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
10095 1999-12-29 Bruce Korb <autogen@linuxbox.com>
10097 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
10098 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
10099 (<hack>_RE_CT): not needed
10100 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
10101 rewritten to scan the file text once only
10102 "template<..." test added
10103 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
10104 (is_cxx_header): declaration added
10105 * fixinc/fixtests.c(is_cxx_header): removed
10106 (apply_fix_p_t): removed
10107 (double_slash_test): is_cxx_header is only called once now
10108 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
10109 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
10110 within the templates.
10111 The borken spelling of "broken" was fixed.
10112 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
10113 The default level depends on FIXINC_DEBUG.
10115 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10117 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
10118 Otherwise provide a declaration for atexit.
10119 (init_dummy): Make sure dummy call to atexit is nevertheless
10120 called with correct number of args.
10122 * frame.c: Update comments referring to other files.
10124 * libgcc2.c: Likewise.
10126 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10128 * cse.c (free_element, get_element): Remove unused prototypes.
10130 * fold-const.c (extract_muldiv): Initialize variables `op0' and
10133 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
10136 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
10138 * configure.in,configure: case arm for mn10200-*-* now sets
10139 float_format=i32 so that float.h will correctly claim "double"
10140 to be 32 bits. Ran autoconf to generate configure from .in file.
10142 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
10144 * pa.md (conditional zero): If op1 is a register, force it into
10145 the same register as op0.
10147 1999-12-28 Mark Mitchell <mark@codesourcery.com>
10149 * tree.h (BINFO_BASETYPES): Improve documentation.
10151 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10153 * configure.in (--enable-checking): Use a more portable `for'
10156 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10158 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
10159 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
10161 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
10164 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
10165 Delete descriptions.
10167 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
10168 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
10169 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
10170 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
10171 xm-svr4.h: Remove all instances of sys_siglist handling.
10173 1999-12-27 Jakub Jelinek <jakub@redhat.com>
10175 * config/sparc/sparc.md (cmp_zero_qi,
10176 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
10177 cmp_zero_extendqidi2_andcc_set): New patterns.
10179 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
10181 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
10182 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
10183 (fpgnulib.c, xfgnulib.c): Add rules.
10184 * m68k/t-mot3300-gas: Likewise.
10186 1999-12-27 Ian Lance Taylor <ian@zembu.com>
10188 * configure.in: Avoid [[ by using test and changequote. Add
10189 changequote required by 1999-12-14 change.
10190 * configure: Rebuild.
10192 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
10194 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
10196 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
10198 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
10199 * flow.c (find_use_as_address): Likewise.
10200 * function.c (fixup_var_refs_1): Likewise.
10201 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
10202 * jump.c (invert_exp, redirect_exp): Likewise.
10203 * loop.c (replace_call_address): Likewise.
10204 (count_nonfixed_reads): Likewise.
10205 * rtlanal.c (modified_between_p): Likewise.
10206 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
10207 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
10208 * unroll.c (remap_split_bivs): Likewise.
10210 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10212 * diagnostic.c (v_message_with_decl): Use .* format specifier
10213 instead of building the format specifier width manually.
10215 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
10216 determining whether to provide a prototype. Remove the
10217 sys_siglist clause in the conditional.
10219 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10221 * fold-const.c (operand_equal_p): Use memcmp to compare string
10223 Suggested by D. J. Bernstein
10225 1999-12-17 Jakub Jelinek <jakub@redhat.com>
10227 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
10228 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
10230 * config/mips/mips.h (TARGET_64BIT): Likewise.
10231 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
10232 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
10233 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
10234 dsps. Give routines proper names if SI/DI modes are not used.
10235 * longlong.h: Use DWunion instead of DIunion.
10237 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
10239 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
10240 GC_CHECKING, GC_ALWAYS_COLLECT.
10241 * configure.in: Allow --enable-checking with an argument
10242 listing check modes to enable.
10243 * config.in, configure: Rebuilt.
10244 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
10245 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
10246 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
10247 ENABLE_GC_ALWAYS_COLLECT.
10248 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
10250 * tree.h, tree.c: Change ENABLE_CHECKING to
10251 ENABLE_TREE_CHECKING throughout.
10253 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10255 * fold-const.c (fold_truthop): Properly check for FP RHS.
10257 1999-12-24 Mark Mitchell <mark@codesourcery.com>
10259 * toplev.h (note_deferall_of_defined_inline_function): Declare.
10260 * toplev.c (note_deferral_of_defined_inline_function): New
10261 function, split out from ...
10262 (rest_of_compilation): ... here. Use it.
10264 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10266 * expr.c (store_constructor): Don't call clear_storage if size is
10269 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10271 * Makefile.in (toplev.o): Depend on loop.h.
10273 * dwarfout.c: Include tm_p.h.
10275 * emit-rtl.c (restore_emit_status): Mark parameter with
10278 * final.c (final_scan_insn): Likewise.
10280 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
10281 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
10282 flow_depth_first_order_compute, flow_loop_pre_header_find,
10283 flow_loop_tree_node_add, flow_loops_tree_build,
10284 flow_loop_level_compute, flow_loops_level_compute,
10285 flow_loop_outside_edge_p): Add prototypes.
10286 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
10288 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
10289 Mark with ATTRIBUTE_NORETURN.
10291 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
10293 * local-alloc.c (no_conflict_p): Likewise.
10295 * loop.c (insert_bct): Hide definitions of variables with hidden
10297 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
10299 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
10300 with ATTRIBUTE_UNUSED.
10301 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
10302 (reg_scan): Likewise.
10304 * reload.c (find_reloads): Remove unused variables `changed'.
10306 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
10308 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
10309 Remove unused variable `insn'.
10311 * toplev.c: Include loop.h.
10312 (report_file_and_line): Remove unnecessary prototype.
10314 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
10316 * unroll.c (biv_total_increment): Likewise.
10318 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10320 * reload1.c (emit_input_reload_insns): Restore old behaviour
10321 wrt. 'special' reloads.
10323 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
10325 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
10326 hash.h. (cse.c): Don't depend on hashtab.h.
10328 * cse.c: Don't include hashtab.h.
10329 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
10331 * ggc-simple.c: Don't include hash.h.
10333 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
10335 * dwarf2out.c (add_abstract_origin_attribute): Call
10336 gen_abstract_function on our function context.
10338 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
10340 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
10342 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10344 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
10347 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10349 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
10350 constraints to "a!r".
10352 1999-12-21 Mark Mitchell <mark@codesourcery.com>
10354 * Makefile.in (calls.o): Depend on function.h.
10355 (alias.o): Likewise.
10357 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
10359 * reload1.c (emit_reload_insns): Break out code and variables into...
10360 (input_reload_insns, other_input_address_reload_insns,
10361 other_input_reload_insns, input_address_reload_insns,
10362 inpaddr_address_reload_insns, output_reload_insns,
10363 output_address_reload_insns, outaddr_address_reload_insns,
10364 operand_reload_insns, other_operand_reload_insns,
10365 other_output_reload_insns): ... new static variables, and...
10366 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
10367 do_output_reload): ... new functions.
10369 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10371 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
10373 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10375 * md.texi: Add c4x constraints documentation.
10377 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10379 * config/i386/dgux.c (struct option): Rename to
10380 lang_independent_option.
10381 (struct m_options): Add description field.
10382 (output_options): Rename option type, add sep declaration, output
10383 ix86_cpu_string and ix86_arch_string only if set.
10384 (output_file_start): Rename option type.
10386 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
10388 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
10390 (libgcc2.a): Similarly.
10392 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
10394 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
10395 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
10396 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
10398 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
10400 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
10401 Remove redundant initialization of "frexpon" and "expon".
10403 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10405 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
10407 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
10408 (store_constructor_field, expand_expr): Pass new arg.
10410 1999-12-20 Mark Mitchell <mark@codesourcery.com>
10412 * Makefile.in (explow.o): Depend on function.h.
10414 * stor-layout.c (set_sizetype): Fix typo.
10416 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
10418 * function.c (cfun): Renamed from current_function. All users
10420 * function.h (cfun): Rename declaration as well.
10422 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
10423 to be of type regset_head, not regset. All users changed by adding
10425 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
10427 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10429 * config/c4x/rtems.h: New file.
10431 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
10433 * reload1.c (spill_failure): Take class of failed reload as argument
10434 and print it. Caller changed.
10436 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10438 * rs6000.h (SUBTARGET_DEFAULT): New macro.
10439 (TARGET_SWITCHES): Allow subtargets to default switches.
10440 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
10442 1999-12-18 Mark Mitchell <mark@codesourcery.com>
10444 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
10447 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
10449 * cccp.c (main): Define __STDC_VERSION__ as necessary.
10450 * cppinit.c (cpp_handle_option): Likewise.
10452 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
10453 determine when to define.
10455 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
10457 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
10458 cmove with mismatched test and data modes.
10460 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
10462 * c-typeck.c (c_expand_start_case): Don't warn for long switch
10465 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10467 * alias.c: Minor reformatting.
10468 * flow.c: Likewise.
10469 * regs.h: Likewise.
10470 * stor-layout.c: Likewise.
10471 * fold-const.c: Likewise.
10472 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
10473 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
10475 (size_int_wide): Cache nodes even if garbage collecting.
10476 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
10477 of SAVE_EXPR has no side effects.
10478 * cse.c: Move a comment.
10479 * tree.c: Minor reformatting.
10480 (int_size_in_bytes): Return -1 if constant overflows.
10482 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10484 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
10486 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
10488 * objc/objc-parse.c: Regenerate. This file must be rebuilt
10489 after any change to c-parse.in, even if objc-parse.y didn't
10492 1999-12-18 David S. Miller <davem@redhat.com>
10494 * toplev.c (rest_of_compilation): Restore BLOCK tree
10495 reconstruction and branch shortening changes lost in
10496 December 18th change.
10498 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
10500 * config/arm/linux-elf.h: Change all instances of
10501 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
10502 * config/arm/uclinux-elf.h: Likewise.
10504 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
10506 * toplev.c (notice, vmessage, v_message_with_file_and_line,
10507 v_message_with_decl, file_and_line_for_asm,
10508 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
10509 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
10510 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
10511 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
10512 pfatal_with_name, fatal_io_error, need_error_newline,
10513 last_error_function, last_error_tick, announce_function,
10514 default_print_error_function, print_error_function,
10515 report_error_function, fnotice, error_with_file_and_line,
10516 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
10517 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
10518 warning_with_decl, warning_for_asm, warning, pedwarn,
10519 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
10521 (compile_file): Use fnotice instead of notice. Adjust call.
10523 * diagnostic.c: New file.
10525 * Makefile.in (OBJS): Include diagnostic.o
10526 (diagnostic.o): Define dependence.
10528 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10530 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
10533 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10535 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
10537 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
10539 * fixtests.c (is_cxx_header): New fn, split out of
10541 (else_endif_label): Allow "#endif // comment" in C++ headers,
10542 as determined by is_cxx_header.
10543 * fixfixes.c (else_endif_label_fix): Update comment.
10544 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
10546 * genfixes: Correct double thinko in commandline parsing.
10547 * hackshell.tpl: Generate correct sh syntax for bypass
10550 * inclhack.def (all): Whenever an inserted preprocessor
10551 conditional is split over multiple lines, use double
10552 backslashes in this file so the fixed header will be readable.
10554 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
10555 and add bypass entry for correct version of this header.
10556 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
10557 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
10559 (hpux8_bogus_inlines): New fix, split from...
10560 (ultrix_atof_param) ... here.
10561 (math_expression): Add bypass entry keyed to glibc comment
10562 indicating the problem has been dealt with; disable
10563 unnecessary sed operations; update commentary.
10564 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
10565 add select and bypass entries, simplify shell operation.
10566 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
10568 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
10569 ultrix_atof_param): Add select entry.
10570 (stdio_va_list, sunos_mather_decl): Add bypass entry.
10571 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
10572 comments with the fixes they describe.
10574 * c-parse.in (string action): Do not warn about ANSI string
10575 concatenation in system headers. Affects C parser only.
10576 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
10578 1999-12-16 Jakub Jelinek <jakub@redhat.com>
10580 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
10581 compiling libgcc2 the macro depends always on arch cpp defines.
10583 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
10585 * loop.c (insert_loop_mem): Don't record MEMs from inside
10588 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
10590 * regclass.c (regclass): Do not use flowgraph when not optimizing.
10592 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
10593 notes too, create one when replacement failed, attempt to simplify
10595 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
10596 or REG_EQUIV notes.
10598 1999-12-16 Mark Mitchell <mark@codesourcery.com>
10600 * crtstuff.c (__dso_handle): Declare.
10601 (__cxa_finalize): Likewise.
10602 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
10605 * invoke.texi: Document -fuse-cxa-atexit.
10607 * tree.h (ptr_type_node): Document.
10608 (const_ptr_type_node): Likewise.
10610 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10612 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
10613 (optimize_reg_copy_2): Likewise.
10614 (optimize_reg_copy_3): Likewise.
10615 (fixup_match_2): Likewise.
10616 (regmove_optimize): Likewise.
10617 (fixup_match_1): Liekwise.
10619 * i386.md (HI to SImode promoting splitters): Rewrite.
10620 (pushsf mem peep2): New.
10621 (testhi to andhi peep2): Remove.
10622 * i386.h (x86_promote_QImode): New.
10623 (TARGET_PROMOTE_QImode): New.
10624 (PREDICATE_CODES): Add promotable_binary_operator.
10625 * i386.c (x86_promote_QImode0: New.
10626 (promotable_binary_operator): New.
10627 * i386-protos.h (promotable_binary_operator): New.
10629 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
10631 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
10633 1999-12-16 Mark Mitchell <mark@codesourcery.com>
10635 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
10636 * function.c (insert_block_after_note): Remove.
10637 (retrofit_block): Likewise.
10638 (identify_blocks): Fix indentation.
10639 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
10640 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
10641 * function.h (insert_block_after_note): Remove prototype.
10642 (retrofit_block): Likewise.
10643 * integrate.c (expand_inline_function): Don't call
10644 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
10645 just expand_start_bindings. Use the block_map to remap old
10646 NOTE_BLOCKs to new ones.
10647 (integrate_decl_tree): Keep track of remapped blocks.
10648 * integrate.h (struct inline_remap): Add block_map.
10649 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
10650 NOTE_BLOCK on the notes.
10651 (expand_start_bindings): Rename to ...
10652 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
10653 (expand_end_bindings): Set NOTE_BLOCK.
10654 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
10655 reconstruct the BLOCK tree.
10656 * tree.h (expand_start_bindings): Macroize. Call ...
10657 (expand_start_bindings_and_block): New function.
10659 1999-12-16 Jakub Jelinek <jakub@redhat.com>
10661 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
10662 to match the format.
10664 1999-12-16 David S. Miller <davem@redhat.com>
10666 * expr.c (emit_move_insn_1): Only emit clobbers if one of
10667 the outputs is a SUBREG.
10668 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
10671 * config/sparc/sparc.c (epilogue_renumber): Add default case
10674 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10676 * toplev.c (rest_of_compilation): Run branch shortening after
10679 * regclass.c (loop_depth): Remove
10680 (scan_one_insn): Do not handle LOOP_NOTE insns.
10681 (regclass): Go through basic blocks and set loop_cost
10683 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
10685 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
10687 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10689 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
10690 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
10691 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
10693 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
10695 * loop.c (insert_loop_mem): Ignore memory clobbers.
10697 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
10700 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
10702 * profile.c: Remove redundant #include "output.h".
10704 * h8300.md (HImode preinc peephole): Fix typo.
10706 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10708 * function.c (retrofit_block): Abort if we don't find a suitable insn.
10709 (insert_block_after_note): Abort if we don't have a previous block.
10710 Remove FN parameter.
10711 * function.h: Adjust.
10713 1999-12-15 Mark Mitchell <mark@codesourcery.com>
10715 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
10716 argument more than once.
10718 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10720 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
10722 1999-12-15 Jakub Jelinek <jakub@redhat.com>
10724 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
10726 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10728 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
10729 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
10730 update stack_alignment_needed.
10731 (prepare_function_start): Initialize stack_alignment_needed
10732 * function.h (struct function): Add field stack_alignment_needed.
10734 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10736 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
10737 Handle live_throughout / dead_or_set instead of live_before /
10739 (save_call_clobbered_regs): Get register livenessinformation from
10740 chain->live_throughout.
10741 (add_stored_regs): New function.
10742 (insert_restore, insert_save): Add restored / saved registers to
10744 * global.c (reg_dies): New parameter chain.
10745 (reg_becomes_live): Third parameter is regs_set now.
10746 Changed all callers.
10747 (reg_dies): New parameter chain. Changed all callers.
10748 (build_insn_chain): Set live_throughout instead of
10749 live_before / live_after.
10750 * reload.h (struct insn_chain): Replace members live_before /
10751 live_after with live_throughout / dead_or_set.
10752 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
10753 instead of live_before / live_after.
10754 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
10755 (order_regs_for_reload, find_reg, finish_spills): Likewise.
10756 (choose_reload_regs_init): Likewise.
10757 * stupid.c (current_chain, find_clobbered_regs): Delete.
10758 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
10759 instead of chain->live_before / chain->live_after.
10760 (mark_hard_ref): New function.
10761 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
10763 1999-12-15 David S. Miller <davem@redhat.com>
10765 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
10767 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10769 * flow.c (calculate_loop_depth): Make global, remove prototype,
10770 rewrite to use new loop infrastructure.
10771 (find_basic_block): Remove calculate_loop_depth call.
10772 * toplev.c (rest_of_compilation): Call find_basic_block.
10773 * output.h (calculate_loop_depth): Declare.
10775 * flow.c (dump_flow_info): Dump loop_depth.
10776 (flow_loops_nodes_find): Increase loop_depth for basic block in the
10778 (flow_loops_find): Initialize the loop_depth for each basic block.
10780 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10782 * tree.c (decl_function_context): Handle virtual functions.
10784 * tlink.c (scan_linker_output): Don't look in demangled name when
10785 looking for linker output keywords.
10787 * dwarfout.c (output_type): We can defer namespace-scope classes.
10789 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
10791 * regclass.c (record_reg_classes): Update comment for merging
10792 register class preferences in reg->reg copies. Tighten conditions
10793 for merging register class preferences in reg->reg copies.
10795 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
10797 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
10799 1999-12-14 Geoff Keating <geoffk@cygnus.com>
10801 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
10802 (INIT_SECTION_ASM_OP): Delete.
10803 (FINI_SECTION_ASM_OP): Delete.
10804 (STARTFILE_SPEC): Define to hold just crtbegin.o.
10806 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
10808 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
10809 the abstract origin wasn't emitted.
10811 * dwarf2out.c (class_scope_p): New fn.
10812 (gen_subprogram_die): Use it.
10813 (gen_variable_die): Use it. Tweak logic.
10814 (gen_struct_or_union_type_die): Check context_die to determine
10815 if we're function-local.
10816 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
10818 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
10820 * loop.c (check_dbra_loop): Can't reverse a biv that has
10821 maybe_multiple set.
10823 1999-12-14 Nick Clifton <nickc@cygnus.com>
10825 * config/arm/arm.c: Add support for -mcpu=arm720 command line
10828 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10830 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
10831 for givs made from biv increments.
10833 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
10835 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
10836 * alpha.c (override_options): Recognize -mcpu=ev67.
10837 * alpha.h (CPP_CPU_EV67_SPEC): New.
10838 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
10839 (EXTRA_SPECS): Update.
10841 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
10843 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
10844 appropriate for -lang-c89 and -std=*.
10845 * cppinit.c (cpp_handle_option): Likewise.
10846 (new_pending_define): New, split out from cpp_handle_option.
10847 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
10848 or enable trigraphs for -ansi/-std=*.
10850 * ginclude/stdarg.h (__va_copy): New.
10851 (va_copy): Don't define for C89.
10853 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
10855 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
10856 for long long multiply-accumulate.
10858 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10860 * regclass.c (scan_one_insn): Set loop_cost to 1 when
10861 optimizing for size.
10863 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
10865 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
10866 if something changed. Back out that part of yesterday's changes.
10868 * loop.c (loop_max_reg): New static variable.
10869 (loop_optimize): Initialize it. Eliminate one unnecessary call to
10871 (scan_loop): Call reg_scan_update whenever we may have added new
10872 registers, and update loop_max_reg.
10874 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10876 * regclass.c (record_reg_classes): Do not do the copying preferrencing
10877 when source does not die.
10879 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
10881 1999-12-14 Jakub Jelinek <jakub@redhat.com>
10883 * config/sparc/linux64.h (TARGET_LIVE_G0,
10884 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
10886 * config/sparc/linux.h (TARGET_LIVE_G0,
10887 TARGET_BROKEN_SAVERESTORE): Likewise.
10888 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
10889 TARGET_BROKEN_SAVERESTORE): Likewise.
10891 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
10892 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
10894 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
10895 as sparc64 block profiling register.
10896 * config/sparc/sparc.c (sparc_override_options): Allow block
10897 profiling with -m32.
10898 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
10899 profiling register.
10900 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
10901 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
10902 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
10904 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
10906 * config/sparc/sparc.h: Likewise.
10907 * config/sparc/xm-sysv4-64.h: Likewise.
10908 * config/float-sparc.h: Likewise.
10909 * glimits.h: Likewise.
10910 * longlong.h: Likewise.
10912 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
10913 (ASM_IDENTIFY_GCC): Remove.
10915 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
10917 * combine.c (combine_simplify_rtx): Don't make shared rtl.
10918 (simplify_logical): Likewise.
10920 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
10922 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
10923 * cppfiles.c (INO_T_EQ): Likewise.
10925 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
10927 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
10928 * i386/mingw32.h (LIB_SPEC): Likewise.
10929 (STARTFILE_SPEC): Likewise.
10930 * i386/uwin.h (LIB_SPEC): Likewise.
10931 (STARTFILE_SPEC): Likewise.
10933 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
10934 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
10936 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
10938 * combine.c (combine_simplify_rtx): Fix order of checks for
10939 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
10941 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
10943 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
10944 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
10946 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
10948 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
10950 * regclass.c (inv_reg_alloc_order): New array.
10951 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
10953 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
10954 counted_for_groups, counted_for_nongroups. Add fields rld and
10956 * reload.c (push_secondary_reload): Don't set nongroup field of
10958 (push_reload): Likewise.
10959 (find_reloads): Delete code to compute nongroup fields.
10960 * reload1.c (reload_insn_firstobj): New static variable.
10961 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
10963 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
10964 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
10965 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
10967 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
10969 (struct hard_reg_n_uses): Deleted.
10970 (potential_reload_regs): Deleted.
10971 (init_reload): Initialize spilled_pseudos and pseudos_counted.
10972 (reload): Don't try to allocate reload registers if we already know
10973 we have to make another pass. Call select_reload_regs. Free memory
10974 starting with reload_firstobj when starting another pass.
10975 Don't allocate spilled_pseudos.
10976 (calculate_needs_all_insns): Call copy_reloads for an insn that
10977 needs reloads; don't call calculate_needs.
10978 (spill_cost): New static array.
10979 (used_spill_regs_local): New static variable.
10980 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
10981 to compute potential_reload_regs.
10982 (find_reload_regs): Completely rewritten to use find_reg.
10983 (allocate_reload_reg): Don't test counted_for_groups or
10984 counted_for_nongroups. Lose NOERROR arg and code to give an error;
10985 all cllers changed.
10986 (choose_reload_regs): Add fallback code that uses the existing
10987 register allocation from find_reload_regs.
10989 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
10991 * flow.c (create_edge_list): Cast xmalloc return value.
10993 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
10995 * doprnt.c: Remove incorrect comment closure.
10997 * cse.c: Fix a few minor whitespace goofs.
10999 1999-12-13 Don Bowman <don@pixstream.com>
11001 * mips/vxworks.h: Fix problem with comment termination.
11002 (EXTRA_SECTIONS): Add in_sbss.
11003 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
11005 1999-12-12 David S. Miller <davem@redhat.com>
11007 * cse.c (struct cse_reg_info): Add hash_next member,
11008 reorder rest of struct for better packing on 64-bit
11010 (cse_reg_info_tree): Kill.
11011 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
11012 REGHASH_FN): New custom pow2 hash mechanism.
11014 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
11015 use a pow2 hash table.
11016 (get_cse_reg_info): Rework to use new REGHASH.
11017 (new_basic_block): Likewise, use HASH_SIZE, and inline
11019 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
11020 and inline free_element call.
11021 (lookup_as_function, insert, flush_hash_table, invalidate,
11022 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
11023 invalidate_for_call, use_related_value, find_comparison_args,
11024 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
11025 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
11026 get_element): Kill.
11028 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
11030 * cse.c (cse_basic_block): Free qty_table consistently.
11032 1999-12-12 David S. Miller <davem@redhat.com>
11033 Jakub Jelinek <jakub@redhat.com>
11035 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
11036 SUBREGs by hand, gen the appropriate hard reg directly.
11037 (movtf reg/mem split): Likewise and alter_subreg on destination
11039 (movtf mem/reg split): Similarly.
11040 (movdf_cc_sp64): Rename from hidden pattern.
11041 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
11042 (movtf_cc_sp64, following split): New pattern and splitter.
11043 (movdf_cc_reg_sp64): Rename from hidden pattern.
11044 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
11046 (movtf_cc_reg_sp64, following split): New pattern and splitter.
11048 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
11050 * loop.c (load_mems): Don't hoist written floating point mem
11053 1999-12-12 Mark Mitchell <mark@codesourcery.com>
11055 * except.h (struct eh_queue): Add `next' pointer.
11056 (struct eh_status): Make x_ehqueue a pointer.
11057 (push_ehqueue): Declare.
11058 (pop_ehqueue): Likewise.
11059 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
11061 (expand_fixup_region_end): Likewise.
11062 (expand_leftover_cleanups): Likewise.
11063 (push_ehqueue): Define.
11064 (pop_ehqueue): Likewise.
11065 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
11066 than doing it inline.
11067 (expand_start_all_catch): Adjust now that ehqueue is a
11069 (mark_eh_queue): Mark all level of the queue.
11070 (mark_eh_status): Adjust now that ehqueue is a
11072 (init_eh_for_function): Allocate ehqueue.
11073 (free_eh_status): Free it.
11074 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
11075 expansion for a fixup.
11077 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11079 * gthr-single.h (__gthread_active_p): Add prototype arguments.
11081 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
11082 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
11083 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
11084 function_ptr, getpagesize, __enable_execute_stack,
11085 __enable_execute_stack, __clear_insn_cache,
11086 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
11087 _cleanup, _exit, __default_terminate, __terminate_func,
11088 __terminate, __empty, __throw, new_eh_context,
11089 eh_context_initialize, eh_context_static, eh_context_specific,
11090 get_eh_context, __get_eh_context, __get_eh_info,
11091 init_reg_size_table, eh_threads_initialize,
11092 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
11093 __unwinding_cleanup, throw_helper, __throw, __rethrow,
11094 __pure_virtual): Add prototype arguments.
11095 (__bb_exit_func): Cast a sizeof to long when comparing against one.
11096 Cast a signed value to unsigned long when comparing against one.
11097 (new_eh_context): Wrap in _GTHREADS macro.
11098 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
11100 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
11101 (throw_helper): Initialize variables `handler_p' and `pc_p'.
11103 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11105 * combine.c (record_promoted_value): Remove unused variable
11108 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
11110 * global.c (record_conflicts): Likewise for `j'.
11112 * genoutput.c (output_insn_data): Don't unnecessarily cast away
11115 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11117 * i386-protos.h (output_387_binary_op, output_fix_trunc,
11118 output_fp_compare): Constify a char*.
11120 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
11122 (override_options, ix86_comp_type_attributes, print_operand,
11123 output_387_binary_op, output_fix_trunc, output_fp_compare):
11125 (ix86_sched_reorder): Mark parameter `clock_var' with
11128 * i386.h (DEBUG_PRINT_REG): Constify a char*.
11130 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
11132 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
11133 operand, for use in the Java front-end.
11135 1999-12-10 Ben Collins <bcollins@debian.org>
11137 * configure.in: Fix typo for "-64" in 64bit as check.
11138 * configure: Rebuilt.
11140 1999-12-10 Jakub Jelinek <jakub@redhat.com>
11142 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
11145 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11147 * c-parse.in (string): With -Wtraditional, warn if ANSI string
11148 concatenation is utilized.
11150 * invoke.texi (-Wtraditional): Document it.
11152 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11154 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
11155 Cast a ptrdiff_t to long and pass it to printf with %ld.
11157 1999-12-10 Geoff Keating <geoffk@cygnus.com>
11159 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
11160 68881, we have no 68881 registers at all.
11161 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
11162 value in a 68881 register if it is available.
11164 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
11166 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
11167 for long long multiply-accumulate.
11169 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
11171 * loop.c (insert_loop_mem): Undo last change.
11173 1999-12-10 David S. Miller <davem@redhat.com>
11175 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
11177 * config/sparc/sparc-protos.h: Add them.
11178 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
11179 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
11180 constraints which use those helpers.
11181 (EXTRA_CONSTRAINT): Use this new macro.
11182 * md.texi: Update sparc target constraints documentation.
11183 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
11184 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
11185 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
11186 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
11187 (movsf high/lo_sum split): Rework for new patterns.
11188 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
11190 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
11192 * c-common.c (c_common_nodes_and_builtins):
11193 Create __builtin_ptrdiff_t and __builtin_size_t.
11195 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
11197 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
11199 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11201 * regclass.c (globalize_reg): Re-instate test that allows
11202 fixed registers to be declared as a variable even after functions
11205 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11207 * i386.md (cpu attribute): Add "athlon".
11208 (athlon_decode): New attribute.
11209 (Athlon scheduling units definitions): New.
11210 (fcmp and shld patterns): Set athlon_decode to "vector".
11211 * i386.c (athlon_cost): New.
11213 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
11214 x86_use_sahf): Set for Athlon.
11215 (x86_use_fiop): Unset for Athlon.
11216 (override_options): Define Athlon alignments and "athlon" name.
11217 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
11218 * i386.h (TARGET_ATHLON): New.
11219 (enum processor_type): Add PROCESSOR_ATHLON.
11220 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
11222 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
11224 1999-12-09 Andreas Jaeger <aj@suse.de>
11226 * loop.c (record_biv): Declare parameter as int.
11228 * config/i386/i386-protos.h: Declare long_memory_operand.
11230 1999-12-09 Mark Mitchell <mark@codesourcery.com>
11232 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
11233 EXPR_WITH_FILE_LOCATION.
11235 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11237 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
11240 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
11242 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
11245 1999-12-09 Jakub Jelinek <jakub@redhat.com>
11247 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
11248 default on linux64 again.
11249 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
11250 models for multilibing.
11251 * genmultilib: Accept | as alternative separator within a set in
11254 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
11256 * calls.c (precompute_arguments): Make sure initial_value contains
11257 value pseudo which CSE expects.
11258 * cse.c (struct set): New entry orig_src.
11259 (cse_insn): Set it early on entry, use it for libcall EQUIV note
11262 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
11264 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
11266 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
11268 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
11270 1999-12-08 Jakub Jelinek <jakub@redhat.com>
11272 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
11273 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
11275 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
11278 * longlong.h: Merge in changes from glibc.
11279 Also don't clobber %g2 register in 32bit SPARC assembly, so that
11280 -mno-app-regs libgcc can be compiled.
11281 * libgcc2.c: Add defines so that the updated longlong.h
11282 can be used in libgcc2.a. Also, make sure on most architectures
11283 (at least on all which have optimized code in longlong.h defined
11284 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
11286 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11288 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
11289 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
11290 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
11292 * configure: Rebuilt.
11294 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
11296 * alpha.c (secondary_reload_class): For !BWX, sub-simode
11297 outputs require a register.
11299 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
11301 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
11302 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
11303 functions like dptoul will be resolved.
11304 (libgcc2.a): Make sure that the object files from DPBIT are named
11305 differently (prefix `_dp') from those that would be coming from
11308 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
11310 * configure.in: When target is sparc* and tm_file contains 64,
11311 test for 64bit support in assembler. If not supported, remove
11312 sparc/t-sol2-64 from target-dependent Makefile fragments.
11313 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
11314 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
11315 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
11316 * acconfig.h (AS_SPARC64_FLAG): Added.
11317 * configure, config.in: Rebuilt.
11318 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
11319 support. Use AS_SPARC64_FLAG.
11321 1999-12-07 Jakub Jelinek <jakub@redhat.com>
11323 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
11324 suitable for holding OFmode values so that gcc works with complex
11326 (hard_64bit_mode_classes): Likewise.
11328 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
11329 so that it is actually matched.
11330 (sethi_di_medlow): Likewise.
11332 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
11333 as legitimate constant if -mvis.
11334 * config/sparc/sparc.md (movtf): Likewise.
11335 (clear_sf): Use const_double_operand.
11336 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
11338 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
11339 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
11340 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
11341 routines, _Qp_* cannot be handled like that now.
11342 (INIT_TARGET_OPTABS): Likewise.
11343 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
11344 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
11345 sparc_emit_float_lib_cmp if ARCH64 and soft float.
11346 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
11347 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
11348 divtf3, sqrttf3): New expanders.
11349 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
11350 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
11351 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
11354 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
11355 * configure: Rebuilt.
11356 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
11357 -mcpu is given and we're doing 64bit compiles.
11359 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
11361 * loop.h (struct induction): Add multi_insn_incr.
11362 * loop.c (basic_induction_var): New multi_insn_incr argument.
11363 Set it if we search back through previous insns for the biv.
11364 (record_biv): New multi_insn_incr argument; fill in struct induction.
11365 (strength_reduce): Discard an iv with multiple bivs, any of
11366 which require multiple insns to increment.
11368 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11370 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
11373 1999-12-06 David S. Miller <davem@redhat.com>
11375 * combine.c (check_promoted_subreg): Do not conditionalize this upon
11376 PROMOTE_FUNCTION_RETURN.
11378 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
11380 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
11381 and handle REG_UNUSED note on insn.
11383 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
11384 inner_mask instead of mask.
11386 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
11388 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
11389 zero if there was an error.
11391 1999-12-06 Jakub Jelinek <jakub@redhat.com>
11393 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
11396 * longlong.h: Fix clobbers in SPARC asm statements.
11398 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
11399 valid sethi operations when TARGET_ARCH64.
11401 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
11402 always use move_by_pieces to avoid infinite recursion.
11403 (restore_fixed_argument_area): Likewise.
11405 * combine.c (check_promoted_subreg, record_promoted_value): New
11407 (combine_instructions): Use them to retain nonzero and sign bit
11408 information after SUBREGs are eliminated by optimizations in
11409 this pass if PROMOTE_FUNCTION_RETURN.
11411 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
11412 .register declaration. Don't use variables with __ prefixes.
11414 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11416 * fold-const.c (optimize_bit_field_compare): Only use one mode
11417 for both RHS and LHS in non-constant case.
11419 1999-12-06 Nathan Sidwell <nathan@acm.org>
11421 * frame.c (start_fde_sort): Only allocate erratic array, if
11422 linear one was allocated. Return allocated flag.
11423 (fde_insert): Only insert, if there's a valid array.
11424 (fde_end_sort): Split, sort and merge if linear and erratic
11425 arrays exist, else just sort linear one.
11426 (search_fdes): New function. Linear search through original fde
11428 (frame_init): Permit multiple initializations. Cope with
11430 (find_fde): Fallback on linear search, if failed to sort array.
11431 (__deregister_frame_info): Only free sorted array, if we
11434 1999-12-06 Jakub Jelinek <jakub@redhat.com>
11436 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
11438 1999-12-05 Jakub Jelinek <jakub@redhat.com>
11440 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
11442 1999-12-05 Mark Mitchell <mark@codesourcery.com>
11444 * tree.h (special_function_p): Declare.
11445 * calls.c (special_function_p): Make it global. Don't take `name'
11446 as a parameter. Fix typo in 1999-11-28 change.
11447 (expand_cal): Adjust.
11449 1999-12-04 Mark Mitchell <mark@codesourcery.com>
11451 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
11452 * tree.h (EXPR_WFL_FILENAME): Define in terms of
11453 EXPR_WFL_FILENAME_NODE.
11454 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
11456 * print-tree.c (print_note): Print TREE_PRIVATE and
11459 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
11460 the original die cannot be found.
11462 * varray.h (varray_head_tag): Add elements_used.
11463 (VARRAY_PUSH): New macro.
11464 (VARRAY_POP): Likewise.
11465 (VARRAY_TOP): Likewise.
11466 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
11468 * varray.c (varray_init): Initialize elements_used.
11469 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
11470 (INTEGRATE_H): New variable.
11471 (integrate.o): Depend on INTEGRATE_H.
11472 (unroll.o): Likewise.
11474 * function.h (insert_block_after_note): Declare.
11475 * function.c (insert_block_after_note): Split out from ...
11476 (retrofit_block): ... here.
11478 * stmt.c (expand_fixup): Fix typo in comment.
11480 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11482 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
11483 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
11484 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
11485 (regmove_optimize, fixup_match_1): Likewise.
11487 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11489 * flow.c (flow_loops_dump): Add missing argument when calling
11490 flow_loop_nested_p.
11492 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
11493 Greg McGary <gkm@gnu.org>
11495 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
11496 (init_attributes): Add A_NO_LIMIT_STACK.
11497 (decl_attributes): Handle A_NO_LIMIT_STACK.
11498 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
11499 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
11500 Handle stack bounds checking.
11501 * flags.h (flag_stack_check): Use the word 'probe' rather than
11502 'check', because the flag doesn't actually cause any checking to
11504 * function.c (expand_function_start): Set
11505 current_function_limit_stack.
11506 * function.h (struct function): Add limit_stack.
11507 (current_function_limit_stack): Define.
11508 * invoke.texi (Code Gen Options): Document new options.
11509 * rtl.h: Declare stack_limit_rtx.
11510 * toplev.c (stack_limit_rtx): New variable.
11511 (decode_f_option): Handle new options -fstack-limit-register=REG,
11512 -fstack-limit-symbol=IDENT, -fno-stack-limit.
11513 (main): Add stack_limit_rtx as GC root.
11514 * tree.h (DECL_NO_LIMIT_STACK): New macro.
11515 (struct tree_decl): New member no_limit_stack.
11517 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
11519 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
11520 (conditional_trap+1): Get new mnemonic correct.
11521 (conditional_trap+2): New pattern for DImode traps.
11523 * config/m68k/m68k.c (output_function_prologue): Handle
11525 * config/m68k/m68k.md (trap): New insn.
11526 (conditional_trap): New insn.
11527 * md.texi (Standard Names): Document `trap' and
11528 `conditional_trap'.
11529 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
11530 so a cc0 setter doesn't get emitted at some random place in the
11533 * config/i960/i960.md (trap): New insn.
11534 (conditional_trap): New expander.
11535 (conditional_trap+1, conditional_trap+2): New insns for signed
11536 and unsigned cases.
11537 * config/i960/i960.c (i960_function_prologue): Use
11538 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
11540 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
11541 Geoffrey Keating <geoffk@cygnus.com>
11543 * flags.h (warn_padded, warn_packed): Add global var decls.
11544 * toplev.c (warn_padded, warn_packed): Add global var defns.
11545 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
11546 * stor-layout.c (layout_record): Add local variable `type'
11547 to hold often-used TREE_TYPE (field). Add local variable
11548 `unpacked_align' to hold alignment that would be in force
11549 if no `packed' attribute were present. Warn if `packed' attribute
11550 is unnecessary, or even harmful. Warn when gcc inserts padding
11551 to satisfy alignment requirements of members. Use NULL_TREE
11552 when checking whether var_size is set.
11553 * invoke.texi: Document new flags.
11555 1999-12-03 Nathan Sidwell <nathan@acm.org>
11557 * frame.c (fde_split): Reimplement to avoid variable sized array.
11559 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11561 * combine.c (try_combine): Before fixing up LOG_LINKS for the
11562 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
11564 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
11566 * invoke.texi: Document the mips option -mno-crt0
11568 1999-12-02 Mike Karr <mkarr@mathworks.com>
11570 * cccp.c (argdata): Added free_ptr member.
11571 (macroexpand): Initialize free_ptr of each argument. When an
11572 argument's buffers are freed, if the argument's free_ptr corresponds
11573 to a buffer on the input stack, then return the free_ptr to that stack
11574 frame, otherwise, free it.
11575 (macarg): If an argument begins and ends on the same input stack level,
11576 then transfer the free_ptr of that buffer to the argument in case
11577 the stack is popped during the processing of a subsequent argument.
11579 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
11581 * loop.c (note_reg_stored): New function.
11582 (struct note_reg_stored_arg): New structure.
11583 (try_copy_prop): Change to be more conservative; only replace within
11584 one extended basic block and stop replacing if a store to the
11585 replacement reg is seen.
11587 1999-12-02 Nick Clifton <nickc@cygnus.com>
11589 * config/fp-bit.c: Initialise all fields of the NAN
11592 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
11595 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
11597 * i386.md (extend?f?f2): Force the input into a register, not
11600 1999-12-01 Jakub Jelinek <jakub@redhat.com>
11602 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
11604 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
11605 alternative because setting up 64bit constant is usually costly,
11606 especially when reload is in progress or completed.
11607 (movdf_const_intreg_sp64): Likewise.
11608 (movdf_const_intreg split): Fix building up constants when
11609 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
11611 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
11613 * combine.c (if_then_else_cond): Use const_true_rtx instead of
11614 const1_rtx for return values in EQ/NE comparison against (const_int 0)
11617 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
11618 (asm_file_start): Emit .am33 into assembly file when compiling for
11620 (print_operand_address): Handle POST_INC addresses.
11621 (can_use_return_insn, initial_offset): Check AM33 registers too.
11622 (expand_prologue): Check & save AM33 registers too.
11623 (expand_epilogue): Similarly.
11624 (secondary_reload_class): Handle AM33 specific secondary reloads.
11625 (output_tst): Emit efficient code for the AM33 too.
11626 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
11627 (TARGET_SWITCHES): Add -mam33 switch.
11628 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
11629 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
11630 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
11631 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
11632 (enum reg_class, REG_CLASS_NAMES): Likewise.
11633 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
11634 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
11635 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
11636 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
11637 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
11638 (HAVE_POST_INCREMENT): Define.
11639 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
11640 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
11641 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
11642 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
11643 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
11644 (zero_extend to SI from QI/HI): Likewise.
11645 (sign_extend to SI from QI/HI): Likewise.
11646 (mulsidi3, umulsidi3): New patterns for the AM33.
11647 (tstsi with zero extension from QI/HI): Add AM33 variants.
11648 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
11649 (return_internal_regs, store_movm): Handle new AM33 registers.
11650 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
11651 (LIBGCC, INSTALL_LIBGCC): Likewise.
11652 * invoke.texi: Document new flags.
11654 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
11656 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
11657 (addsi3_carry): Likewise.
11658 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
11659 (sbbsi3_carry): Likewise.
11660 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
11661 (mulhi3): Likewise.
11662 (test?i_1): Ensure that only one operand is memory.
11663 (conditional move patterns): likewise.
11664 (shift and rotate patterns): Rewrite to expander, add
11665 "binary_operator_ok" to the condition.
11667 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
11668 * i386.h (procesor_costs): Add movzbl_load field.
11669 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
11670 non-Q registers, accept DImode registers anywhere.
11672 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
11673 * i386.c (*_cost): Set value for movxbl_load field.
11675 * (addsi): New add to lea splitter.
11676 (ashlsi): Likewise.
11677 (lea to add/shift peep2): New.
11679 1999-12-01 Mark Salter <msalter@cygnus.com>
11681 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
11682 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
11683 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
11685 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11687 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
11688 * i386.md (movsi_xor): New.
11690 (movsi_1, movhi_1, movqi_1): Remove.
11691 (movsi_2): Rename to movsi_1.
11692 (movhi_2): Rename to movhi_1.
11693 (movqi_2): Rename to movqi_1.
11694 (movdi_1): Remove; remove splitter.
11695 (movdi_2): Rename to movdi_1.
11696 (divmodsi4 splitter): Do not emit clobbers for move patterns.
11697 (long move peep2): Do not create QI or HI mode mov0s
11698 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
11700 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
11703 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
11704 (abs?f2_if): Likewise.
11706 1999-11-30 Alex Samuel <samuel@codesourcery.com>
11708 * ggc.h (ggc_test_and_set_mark): New macro.
11709 (ggc_mark_rtx): Use ggc_test_and_set_mark.
11710 (ggc_mark_tree): Likewise.
11711 (ggc_mark_rtvec): Likewise.
11712 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
11714 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
11716 * dwarf2out.c (scope_die_for): Only handle types. Only search for
11718 (decl_scope_table): Just an array of trees now.
11719 (push_decl_scope): Simplify.
11720 (dwarf2out_init): Adjust.
11721 (local_scope_p): New fn.
11722 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
11723 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
11724 (gen_typedef_die): Likewise.
11725 (gen_lexical_block_die): Don't call push/pop_decl_scope.
11726 (gen_inlined_subroutine_die): Likewise.
11727 (gen_abstract_function): Set current_function_decl temporarily.
11728 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
11729 Handle block extern declarations. Don't call push/pop_decl_scope.
11730 (gen_decl_die): Fix logic for block externs.
11732 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11734 * calls.c (special_function_p): Remove `realloc' and add `strdup'
11735 to the list of functions which have attribute malloc by default.
11737 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11739 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
11740 integer constant does not match the traditional type, limit the
11741 warnings to cases where the base of the type is ten.
11743 * invoke.texi (-Wtraditional): Document it.
11745 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11747 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
11748 * rs6000.md: Only access a CONST_INT with INTVAL
11750 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
11752 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
11753 (compute_nearerout): Likewise.
11754 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
11755 size_t to unsigned long for formatting.
11757 1999-11-30 Jakub Jelinek <jakub@redhat.com>
11759 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
11760 Allow the user to override call-used/fixed state of %g2-5
11761 registers from the command line (with the exception of %g4 for
11763 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
11764 there is a higher chance of having a leaf function.
11765 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
11766 for ARCH64 which has %ccr register.
11767 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
11769 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
11770 insn accept into delay slot any insn which does not use %[ol]
11771 registers. Accept some LO_SUM and shift left by 1 for the normal
11773 (output_function_epilogue): Likewise.
11774 (epilogue_renumber): Added argument which inhibits any renumbering
11775 and just tests if the rtx does not use any %[ol] registers.
11776 (output_return): Reflect above change.
11778 1999-11-30 Jakub Jelinek <jakub@redhat.com>
11780 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
11781 aggregate passing for sizes <= 16 bytes.
11783 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
11785 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
11786 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
11787 * reload.c (find_dummy_reload): Likewise.
11788 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
11789 * reload1.c (reload_as_needed): Likewise.
11790 * stupid.c (stupid_find_reg): Likewise.
11791 * tm.texi (Obsolete Register Macros): Delete section.
11792 * gmicro.h: Remove all traces of the two macros.
11793 * i386.h: Likewise.
11794 * m88k.h: Likewise.
11795 * mips.h: Likewise.
11797 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
11799 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
11800 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
11801 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
11802 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
11803 units for the sparclite86x chip.
11804 (flush): Revert October 14th change; add SImode specifically.
11805 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
11806 * invoke.texi: Document it.
11808 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
11810 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
11811 psimode_truncation_operand.
11813 * config/mn10200/mn10200.c (psimode_truncation_operand): New
11814 function. Return true if the operand is either a MEM valid
11815 for a PSImode address or not a MEM at all.
11817 * config/mn10200/mn10200.md (truncsipsi2): Use
11818 psimode_truncation_operand.
11820 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11822 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
11823 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
11824 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
11825 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
11826 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
11827 (flow_loop_level_compute, low_loops_level_compute): Likewise.
11828 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
11829 * basic-block.h: Protect from multiple inclusion.
11830 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
11831 (struct loops, struct loop): Define structures.
11832 * sbitmap.c (sbitmap_a_subset_b_p): New function.
11833 * sbitmap.h: Protect from multiple inclusion.
11834 (sbitmap_a_subset_b_p): Add prototype.
11835 * Makefile.in (LOOP_H): New macro.
11836 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
11838 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
11840 * cppinit.c (CAT): The argument list of this macro may not contain
11843 1999-11-29 David S. Miller <davem@redhat.com>
11845 Move quantity tables and register equivalence chains into
11846 per-qty and per-register structure arrays respectively.
11847 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
11848 qty_const_insn, qty_comparison_code, qty_comparison_const,
11849 qty_comparison_qty): Delete, replace with...
11850 (qty_table): this structure table.
11851 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
11852 (reg_eqv_table): this structure table.
11853 (make_new_qty): Add argument MODE. Caller updated.
11854 Update to use qty_table and reg_eqv_table.
11855 (make_regs_eqv, delete_reg_equiv, insert_regs,
11856 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
11857 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
11858 cse_process_notes, cse_main, cse_basic_block): Likewise.
11860 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11862 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
11863 operation if C is negative.
11864 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
11865 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
11866 law for some divisions if constant is negative and change other
11867 divisions to the opposite rounding.
11869 * expr.c (store_constructor_field): If bit position is not multiple
11870 of alignment of TARGET's mode, use BLKmode.
11872 * expr.c (expand_expr_unaligned): Add more code from full case
11873 that is needed when OP0 is in a register.
11875 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11877 * dwarfout.c (field_byte_offset): Size can be zero if there was
11880 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
11882 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
11883 (associate_trees): Delete unused var TEM.
11884 (extract_muldiv): Delete unused var CANCEL_P.
11886 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
11887 (target_isinf, target_isnan, target_negative): Add return types to
11888 function definitions.
11890 1999-11-29 Bruce Korb <autogen@linuxbox.com>
11892 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
11893 * fixinc/hackshell.tpl: ditto
11894 * fixinc/fixtests.c(double_slash_test): more C++ header testing
11895 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
11897 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
11899 * reload.c (push_reload): When looking for a register to put into
11900 reg_rtx, make sure all hard regs in a multi-reg register are in the
11901 right class and nonfixed.
11903 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
11904 pending_read_insns, pending_write_insns, pending_read_mems,
11905 pending_write_mems, pending_list_length, last_pending_memory_flush,
11906 last_function_call, sched_before_next_call): Move static variables
11908 (bb_ prefixed versions): Replace with single array bb_deps.
11909 (struct deps): New structure.
11910 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
11911 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
11912 argument of type "struct deps *"; use that instead of global
11913 variables. All callers changed.
11914 (init_rgn_data_dependencies): Delete function.
11915 (init_rtx_vector): Delete function.
11916 (init_deps): New function.
11918 (free_pending_lists): Simplify, we always use the bb_deps array even
11919 if only one basic block.
11920 (compute_block_backward_dependences): Likewise.
11921 (schedule_region): Likewise.
11923 (propagate_deps): New function, broken out of
11924 compute_block_backward_dependences.
11925 (compute_block_backward_dependences): Use it.
11927 * alpha.md: Delete useless patterns that tried to work around
11928 register elimination problems.
11930 * unroll.c (loop_iterations): Don't abort if iteration variable
11933 From Joern Rennecke:
11934 * reload1.c (reloads_conflict): Reverse test comparing operand
11935 numbers when testing for conflict between output/outaddr reloads.
11937 1999-11-29 David S. Miller <davem@redhat.com>
11939 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
11941 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
11943 1999-11-28 Robert Lipe <robertl@cygnus.com>
11945 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
11946 table from .fini into .dtor.
11948 1999-11-28 Anthony Green <green@cygnus.com>
11950 * tree.h (struct tree_decl): Add malloc_flag.
11951 (DECL_IS_MALLOC): Define.
11952 * c-common.c (attrs): Add A_MALLOC attribute.
11953 (init_attributes): Add this attribute to the table.
11954 (decl_attributes): Handle malloc attribute.
11955 * calls.c (special_function_p): Check for the malloc attribute.
11956 * extend.texi (Function Attributes): Document malloc attribute.
11958 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
11960 * pa.md (reload shift-add patterns): Remove.
11962 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11964 * reorg.c (dbr_schedule) Print more statistics. Corrected
11965 problem when printing info when 3 delay slots are filled.
11967 1999-11-28 Jakub Jelinek <jakub@redhat.com>
11969 * combine.c (setup_incoming_promotions): Pass an outgoing
11970 regno to FUNCTION_ARG_REGNO_P which it expects.
11972 1999-11-28 Andreas Jaeger <aj@suse.de>
11974 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
11976 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
11978 * cccp.c (do_include): Avoid initialization of automatic variable.
11980 * integrate.c (mark_stores): Function definition made void, to match
11981 previous declaration.
11982 * regclass.c (dump_regclass): Ditto.
11983 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
11985 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11987 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
11988 known to be multiple of divisor.
11990 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
11992 * combine.c (try_combine): Add code to try to merge a set of a
11993 two-word pseudo to a constant with a setting of one of those words
11996 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
11997 (split_tree): Completely rework to make more general.
11998 (make_range, fold): Call negate_expr.
11999 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
12000 (fold, associate): Call new split_tree and associate_trees.
12001 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
12003 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
12005 * loop.c (try_copy_prop): Avoid GNU C extension.
12007 1999-11-25 Mark Mitchell <mark@codesourcery.com>
12009 * except.c (init_eh_for_function): Still zero eh_return_context,
12010 eh_return_stack_adjust, and eh_return_handler.
12012 * except.h (eh_status): Adjust documentation for x_protect_list.
12013 (begin_protect_partials): New function.
12014 * except.c (enqueue_eh_entry): Fix formatting.
12015 (get_first_handler): Add consistency check.
12016 (add_partial_entry): Adjust usage of protect_list.
12017 (emit_cleanup_handler): Save and restore ehqueue.
12018 (expand_start_all_catch): Add comment.
12019 (begin_protect_partials): New function.
12020 (end_protect_partials): Adjust usage of protect_list.
12021 (init_eh_for_function): Use xcalloc.
12023 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12025 * c-common.c (check_format_info): Don't call a variadic function
12026 with a non-literal format string.
12028 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
12030 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
12031 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
12034 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
12037 * collect2.c (collect_wait): Likewise.
12039 * dbxout.c (dbxout_type): Likewise.
12041 * gcc.c (do_spec_1): Likewise.
12043 * genemit.c (gen_insn, gen_expand): Likewise.
12045 * genrecog.c (write_switch, write_subroutine): Likewise.
12047 * mips-tfile.c (catch_signal, botch): Likewise.
12049 * print-rtl.c (print_rtx): Likewise.
12051 * toplev.c (default_print_error_function, report_error_function,
12052 _fatal_insn): Likewise.
12054 1999-11-25 Mark Mitchell <mark@codesourcery.com>
12056 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
12058 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12060 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
12061 operations when needed.
12062 * i386.md (fop_?f_comm): New.
12063 (fop_?f_1): Do not accept commutative operands.
12065 1999-11-25 Andreas Jaeger <aj@suse.de>
12067 * config/mips/mips.md (casesi_internal): Add missing brace.
12069 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
12071 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
12072 (splice_child_die): Handle moving a child DIE from the declaration
12073 DIE of a class to its specification.
12074 (gen_struct_or_union_type_die): Use 'complete' consistently.
12075 (gen_decl_die): Generate the virtual context DIE first.
12076 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
12078 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
12080 * config/mips/mips.md (call_value_multiple_interanal1): New.
12082 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
12084 * dwarf2out.c (free_AT, free_die): New fns.
12085 (remove_children): Call them.
12086 (output_line_info): Disable removal of duplicate notes.
12088 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
12089 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
12090 means pretend the type isn't defined.
12091 Don't defer emitting types.
12092 (gen_type_die_for_member): New fn.
12093 (gen_decl_die): Call it.
12094 (splice_child_die): New fn.
12095 (gen_member_die): Call it rather than generate duplicate dies.
12097 Defer emitting information for the abstract instance of an inline
12098 until we either inline it or emit an out-of-line copy.
12099 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
12100 from output_inline_function if DECL_ABSTRACT is also set.
12101 (block_ultimate_origin): Likewise.
12102 (gen_abstract_function): New fn.
12103 (gen_decl_die, gen_inlined_subroutine_die): Call it.
12104 (gen_subprogram_die): An abstract instance is not a declaration
12105 just because it doesn't match current_function_decl. Don't abort
12106 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
12107 has an abstract origin.
12108 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
12109 abstract instance here.
12111 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
12113 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
12114 where we need to reload fpul from a system register.
12116 1999-11-24 Andreas Jaeger <aj@suse.de>
12118 * config/mips/linux.h (CPP_PREDEFINES): Added.
12119 (LINK_SPEC): Remove -Y since this is only needed on sparc.
12121 1999-11-24 Andreas Jaeger <aj@suse.de>
12123 * config/mips/linux.h (TARGET_VERSION): Added.
12124 (HANDLE_SYSV_PRAGMA): Added.
12125 (DEFAULT_VTABLE_THUNKS): Added.
12127 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12129 * local-alloc.c (qty): New structure and static variable.
12130 (qty_phys_reg): Remove, all references changed to qty.
12131 (qty_n_refs): Likewise.
12132 (qty_min_class): Likewise.
12133 (qty_birth): Likewise.
12134 (qty_death): Likewise.
12135 (qty_size): Likewise.
12136 (qty_mode): Likewise.
12137 (qty_n_calls_crossed): Likewise.
12138 (qty_alternate_class): Likewise.
12139 (qty_changes_size): Likewise.
12140 (qty_first_reg): Likewise.
12141 (alloc_qty): Rename variable QTY to QTYNO.
12142 (finf_free_reg): Likewise.
12143 (local_alloc): Allocate qty, do not allocate the removed variables.
12145 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
12147 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
12148 when -membedded-pic is passed.
12150 * config/mips/mips.md (casesi): Handle 64-bit case too.
12151 (casesi_internal_di): New insn.
12153 * config/mips/mips.c (embedded_pic_offset): Always make the
12154 embedded-pic subtractions relative to the name of the current
12155 function by use of the magic string "..CURRENT_FUNCTION".
12156 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
12158 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
12160 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
12161 of (const_int 0), when what we really care about is
12162 whether it's a zero constant anyway.
12163 (div_trap_mips16): Likewise.
12165 1999-11-23 Mark Mitchell <mark@codesourcery.com>
12167 * loop.c (loop_optimize): Always find_loop_tree_blocks and
12168 unroll_block_trees when generating debuggable code.
12170 * tree.h (unsave_expr_1): New function.
12171 (lang_unsave): New variable.
12172 (get_callee_fndecl): New function.
12173 * tree.c (unsave_expr_now_r): New function.
12174 (lang_unsave): Define.
12175 (unsave_expr_1): Likewise.
12176 (unsave_expr_now_r): Split out from unsave_expr_now.
12177 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
12178 call unsave_expr_now_r.
12179 (get_callee_fndecl): Define.
12181 * Makefile.in (gencheck): Don't depend on lang_tree_files.
12182 (gencheck.o): Do depend on lang_tree_files.
12184 * integrate.h (copy_decl_for_inlining): New declaration.
12185 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
12186 (copy_decl_for_inlining): New function.
12187 (integrate_parm_decls): Use it.
12188 (integrate_decl_tree): Likewise.
12190 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
12192 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
12193 the second two from the first.
12194 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
12195 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
12196 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
12198 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
12199 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
12202 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
12204 * pa.md (call_internal_symref, call_value_internal_symref): No mode
12205 needed on the address operand.
12206 * pa.c (call_operand_address): Check for the correct mode.
12208 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
12210 * loop.c: Include "basic-block.h".
12211 (try_copy_prop, replace_loop_reg): New functions.
12212 (load_mems): Detect registers that just hold copies of the hoisted
12213 mem, and call try_copy_prop to eliminate them.
12214 * Makefile.in (loop.o): Update dependencies.
12216 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
12218 * Makefile.in (gencheck.o): Depend on gencheck.h.
12219 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
12220 (insn-peep.o): Depend on except.h and function.h.
12221 (insn-attrtab.o): Depend on RECOG_H.
12222 (insn-output.o): Depend on toplev.h and flags.h.
12223 (gengenrtl.o): Depend on real.h.
12224 (gen-protos.o): Depend on cpplib.h and cpphash.h.
12225 Unify all dependencies to be on RECOG_H rather than recog.h.
12227 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12229 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
12230 * configure.in: Try building a bi-arch 32/64-bit compiler on
12231 sparc-*-solaris2.7 and higher.
12232 * configure: Rebuild.
12234 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
12236 * config/freebsd.h: New, FreeBSD architecture independent file.
12237 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
12238 independent pieces.
12239 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
12240 directly by i386/freebsd.h.
12241 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
12242 independent configuration file.
12243 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
12244 directly by i386/freebsd.h.
12245 * configure: Rebuilt.
12247 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
12248 which is in the user's namespace.
12249 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
12250 `i386' which is not in our namespace.
12252 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
12254 * invoke.texi (ARM Options): Add in -mno-alignment-traps
12256 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
12258 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
12259 (add_dwarf_attr, add_child_die): Just push onto the front.
12260 (reverse_die_lists): New fn.
12261 (add_sibling_attributes): Use it.
12262 (push_decl_scope): Reorganize.
12263 (add_name_and_src_coords_attributes): Don't set file and line for
12264 an artificial decl.
12265 (gen_subprogram_die): An artificial function doesn't need to match
12267 (gen_compile_unit_die): Return the generated die. Only add
12268 AT_comp_dir if the filename is relative.
12269 (remove_AT): Simplify loop. Also free string values.
12270 (output_die): A DIE ref can't be null.
12271 (output_value_format, value_format): Take a dw_attr_ref.
12272 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
12273 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12274 AT_addr, AT_lbl): New fns.
12275 (various): Use them.
12276 (various): Constify.
12278 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12280 * combine.c (combine_simplify_rtx): When handling a SUBREG,
12281 take SUBREG_WORD into account.
12282 (if_then_else_cond): Likewise.
12284 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
12286 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
12287 clause from BSD license, pursuant with
12289 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
12291 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
12293 * loop.c (load_mems): Reformat slightly.
12294 * basic-block.h (regset_head): New typedef.
12295 (INIT_REG_SET): New macro.
12297 1999-11-22 Bruce Korb <autogen@linuxbox.com
12299 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
12300 (mips-dec-bsd*): non-functional code
12301 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
12303 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
12304 added three replacement fixes
12305 (no_double_slash): removed comments that are not (any longer) pertinent
12306 (bad_lval): this fix currently runs against many files.
12307 The comment seems to indicate that we should select for files
12308 containing 'pragma extern_prefix'.
12310 * fixinc/fixinc.x86-linux-gnu: deleted
12311 * fixinc/inclhack.sh: regen
12312 * fixinc/fixincl.x: regen
12313 * fixinc/fixincl.sh: regen
12315 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
12317 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
12318 its code is INSN and it has no notes.
12320 1999-11-22 Andrew Haley <aph@cygnus.com>
12322 * varasm.c (function_defined): Remove.
12323 (make_function_rtl): Don't set function_defined.
12324 (make_decl_rtl): Remove global register warning.
12325 * regclass.c (no_global_reg_vars): New variable.
12326 (globalize_reg): Warn if function has already been defined.
12327 (regclass_init): Set no_global_reg_vars.
12329 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12331 * regclass.c (reg_pref): New structure and static variable
12332 (prefclass): Delete.
12333 (altclass): Delete.
12334 (all uses of prefclass and altclass): Use reg_pref instead.
12336 1999-11-21 Nick Clifton <nickc@cygnus.com>
12338 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
12340 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
12341 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
12342 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
12344 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
12346 * varasm.c (output_constructor): Solve problem with long long
12347 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
12349 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12351 * global.c (allocno): New structure and static variable.
12352 (allocno_reg): Remove, all references replaced by allocno.
12353 (allocno_size): Likewise.
12354 (hard_reg_conflicts): Likewise.
12355 (hard_reg_preferences): Likewise.
12356 (hard_reg_copy_preferences): Likewise.
12357 (hard_reg_full_preferences): Likewise.
12358 (regs_someone_prefers): Likewise.
12359 (allocno_calls_crossed): Likewise.
12360 (allocno_n_refs): Likewise.
12361 (allocno_live_length): Likewise.
12362 (find_reg): Rename ALLOCNO to NUM.
12364 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
12365 references updated.
12366 (may_move_out_cost): New variable.
12367 (init_reg_sets_1): Initialize may_move_out_cost.
12368 (record_reg_classes): Use may_move_out_cost.
12370 * regclass.c (dump_regclass): New function.
12371 (regclass): New parameter DUMP, call DUMP_REGCLASS.
12372 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
12373 pass rtl_dump_file to regclass.
12374 * rtl.h (regclass): Update prototype.
12376 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12378 * i386.md (neg, not and abs patterns): Revmap to use
12379 ix86_expand_unary_operator and ix86_unary_operator_ok.
12380 (add?f and sub?f expanders): Force operand 1 to register.
12381 * i386.c (ix86_expand_unary_operator): Rewrite.
12382 (ix86_unary_operator_ok): Ensure that memory operands
12384 (ix86_binary_operator_ok): Do not allow operand 1 to
12385 come into memory and operand 0 not.
12386 (ix86_expand_binary_operator): Ensure that
12387 src1 is not non-matching memory.
12389 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
12390 to support integer registers and memory.
12391 (abss?2_integer): Likewise.
12393 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
12394 (REG_CLASS_NAMES): Likewise.
12395 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
12397 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
12398 (movsf): Likewise; unify 4th and 5th alternative.
12399 (pushdf): Likewise.
12400 (movdf_1): Likewise; rename to movdf_integer.
12401 (pushxf): Likewise; rename to pushxf_integer; fix output template;
12402 remove redundant splitter.
12403 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
12404 (movdf_nointeger): New.
12405 (movxf_nointeger): New.
12406 (pushxf_nointeger): New.
12408 * i386.md (extend?f?f): Split to expander and pattern, refuse two
12409 memory operands in patterns.
12410 (fop*): Refuse two memory operands.
12412 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
12413 on !TARGET_USE_CLTD CPUs.
12415 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
12417 * extend.texi: Document C++ restricted pointers and references.
12419 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
12421 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
12422 (invalidate_skipped_set): Call it unconditionally.
12423 (cse_set_around_loop): Likewise.
12425 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12427 * rtl.texi (mem): Add documentation for alias-set argument
12430 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12432 * i386.h (struct_processor_costs): New fields int_load, int_store,
12433 fp_move, fp_load and fp_store
12434 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
12436 (MEMORY_MOVE_COST): New macro.
12437 * i386.c (386_cost): Define new fields.
12438 (i486_cost): Likewise.
12439 (pentium_cost): Likewise.
12440 (pentiumpro_cost): Likewise.
12441 (k6_cost): Likewise.
12443 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
12444 Geoffrey Keating <geoffk@cygnus.com>
12446 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
12448 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
12451 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
12452 (TARGET_STRICT_ALIGNMENT): New macro.
12453 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
12454 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
12455 * invoke.texi (M680x0 Options): Document -mstrict-align.
12457 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
12458 Richard Henderson <rth@cygnus.com>
12460 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
12461 (ix86_split_long_move): Declare.
12462 * i386.c (split_xf, ix86_split_movdi): Remove.
12463 (ix86_split_to_parts, ix86_split_long_move): New.
12464 * i386.md (dimode move splitters): Use ix86_split_long_move.
12465 (dfmode move splitters): Likewise.
12466 (xfmode move splitters): Likewise.
12467 (movsf_1): Allow F->r.
12468 (movdf_1, movxf_1): Allow F->ro.
12470 1999-11-17 Mark Mitchell <mark@codesourcery.com>
12472 * except.h (struct eh_entry): Add goto_entry_p.
12473 (eh_region_from_symbol): Remove prototype.
12474 * except.c (find_func_region_from_symbol): New function.
12475 (emit_cleanup_handler): Likewise.
12476 (eh_region_from_symbol): Make it static.
12477 (add_new_handler): Verify the argument.
12478 (find_func_region): Update comment.
12479 (expand_eh_region_end): Expand handlers here, rater than waiting
12480 until expand_leftover_cleanups or start_all_catch.
12481 (expand_leftover_cleanups): Don't expand here.
12482 (expand_start_all_catch): Or here.
12483 (expand_rethrow): Check the return value from find_func_region.
12484 * function.c (expand_function_end): Emit the catch_clauses.
12486 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
12488 * integrate.c (expand_inline_function): Add necessary check for NULL.
12490 1999-11-18 Nick Clifton <nickc@cygnus.com>
12492 * toplev.c (main): Correctly detect an unrecognised option.
12494 * cppinit.c (cpp_handle_option): Do not claim to have consumed
12495 a -f option if it has not been recognised.
12497 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
12499 * basic-block.h (update_life_extent): Remove trailing comma on
12500 enumeration type list.
12502 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12504 * varasm.c (output_constructor) Solved problem with long long
12505 bitfields. Corrected calculating this_time and shift. Also
12506 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
12508 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
12510 * flow.c (split_edge): Take looping structure into account when
12511 determining where to put the new block note.
12513 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
12515 * Makefile.in (ggc-none.o): Provide host specific version if
12518 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
12520 * cse.c (delete_trivially_dead_insns): Identify no-op insns
12521 containing subregs too.
12523 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12525 * invoke.texi: Add documentation for -muninit-const-in-rodata.
12526 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
12527 (TARGET_UNINIT_CONST_IN_RODATA): Define.
12528 (text_section): Add switches -munint-const-in-rodata and
12529 -mno-uninit-const-in-rodata.
12530 (ASM_OUTPUT_COMMON): Remove.
12531 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
12532 const objects should be placed in read-only data. Otherwise declare
12535 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
12537 * jump.c (jump_optimize_1): Revert last change.
12539 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
12541 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
12542 test if optimizing for size.
12544 1999-11-17 Mark Mitchell <mark@codesourcery.com>
12546 * Makefile.in (toplev.o): Depend on except.h.
12547 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
12549 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12551 * i386.md (divmodsi4): Rewrite to expander.
12552 (*divmodsi4_nocltd): New.
12553 (*divmodsi4_cltd): New.
12554 (divmodsi4 splitter): Handle the case when input comes in edx.
12555 (udivmodhi4): Do not use constraints in exander.
12556 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
12558 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
12560 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
12561 for the common case.
12563 1999-11-16 Jakub Jelinek <jakub@redhat.com>
12565 * explow.c (hard_function_value): Add outgoing argument.
12566 * expr.h (hard_function_value): Declare it.
12567 * calls.c (expand_call, emit_library_call_value): Update callers.
12568 * function.c (aggregate_value_p): Ditto.
12569 (diddle_return_value): Must look at the outgoing registers
12570 on archs with register windows.
12572 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
12574 * alpha.c (alpha_build_va_list): Use make_lang_type and
12575 initialize TYPE_NAME for the va_list record.
12577 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
12579 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
12581 * ggc.h (struct ggc_statistics): Rearrange elements for better
12582 packing on 64-bit hosts.
12583 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
12584 (compute_nearerout): Likewise.
12586 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
12588 * config/rs6000/rs6000.c (first_reg_to_save): Save
12589 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
12591 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
12593 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
12594 notion of nesting to find the DIE for a type or function.
12595 DIEs can go in limbo even if we got a context_die.
12596 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
12597 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
12599 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
12600 (gen_type_die): Writing out the context doesn't cause member class
12601 template instantiations to be written out as well.
12603 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
12605 * rs6000.h (ASM_OUTPUT_DEF): New.
12606 Based on proposed addition from David Edelsohn.
12608 1999-11-15 Robert Lipe <RobertLipe@usa.net>
12609 Bruce Korb <autogen@linuxbox.com>
12611 * fixinc/inclhack.def
12612 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
12613 (unixware7_byteorder_fix): added. Removes conflicts for new defs
12615 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
12616 (svr4_endian): enabled with SVR5
12617 (svr4_mkdev): simplified syntax and enabled with SVR5
12619 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
12621 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
12622 * configure: Rebuilt.
12623 * config/t-freebsd-thread: New file.
12625 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
12627 * i386.c (ix86_decompose_address): Verify the base is a REG
12628 before trying to examine its register number.
12630 * basic-block.h: Remove all #defines and prototypes related to
12632 (free_bb_mem, compute_preds_succs): Remove prototype.
12633 * rtl.h (free_bb_mem): Remove prototype.
12634 * flow.c (alloc_int_list_node); Remove function.
12635 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
12636 (compute_preds_succs, free_bb_mem): Likewise.
12637 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
12638 * toplev.c (rest_of_compilation): Likewise.
12639 * haifa-sched.c (build_control_flow): Use flow generated edge
12640 list to build the haifa specific edge list.
12641 (find_rgns): Use new CFG data structures instead of pred/succ lists.
12642 (schedule_insns): Do not build pred/succ lists anymore. Instead
12643 build the edge table.
12645 * basic-block.h (dump_bb_data): Remove declaration.
12646 * flow.c (dump_bb_data): Remove function.
12647 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
12648 (sbitmap_union_of_predsucc): Likewise.
12650 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
12651 argument. All callers changed.
12652 (delete_null_pointer_checks_1): No longer need to compute the
12655 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
12656 All callers changed.
12657 (pre_expr_reaches_here_p_work): Likewise.
12658 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
12659 * lcm.c (compute_laterin): Fix initialization of LATER.
12660 (compute_nearerout): Similarly for NEARER.
12662 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12664 * cse.c (set_nonvarying_address_components): Delete unused function.
12665 (refers_to_p): Likewise.
12667 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
12669 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
12672 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12674 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
12675 definition in do while (0).
12677 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
12679 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
12681 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
12683 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
12685 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12687 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
12688 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
12689 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
12690 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
12692 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
12693 saved on the stack. Output more accurate stack frame statistics
12694 into assembler file.
12696 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
12698 * genextract.c (record_insn_name): New function.
12699 (get_insn_name): No longer a stub.
12700 (main): Call record_insn_name for each insn. After each label
12701 written, print the insn name in a comment.
12703 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12705 * output.h (const_section, init_section, fini_section): Add
12708 * alpha/elf.h (const_section): Delete declaration.
12710 * svr4.h (const_section): Likewise.
12712 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
12714 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
12715 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
12716 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
12718 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
12719 variable-sized array bounds.
12721 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
12723 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
12726 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12728 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
12729 addresses the same way GO_IF_LEGITIMATE_INDEX does.
12731 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12733 * cse.c (hash_arg_in_struct): Delete.
12734 (struct table_elt): Delete elt in_struct.
12735 (struct set): Delete elt src_in_struct.
12736 (merge_equiv_classes): Don't set either hash_arg_in_struct or
12737 the corresponding in_struct elts.
12738 (canon_hash): Likewise.
12739 (safe_hash): Likewise.
12740 (find_best_addr): Likewise.
12741 (record_jump_cond): Likewise.
12742 (cse_insn): Likewise.
12744 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
12746 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
12748 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
12751 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
12753 * function.c (diddle_return_value): Put back check that the DECL_RTL
12754 for the function is a register.
12756 * function.c (diddle_return_value): Use hard_function_value to
12757 get an rtx suitable for use in the USE/CLOBBER insn.
12759 * global.c (global_conflicts): Update comments.
12760 (record_conflicts): No need to record conflicts between pseudos here.
12762 1999-11-11 Bruce Korb <autogen@linuxbox.com>
12764 * fixinc/fixincl.c: Added verbose levels for status messages
12766 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12768 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
12769 operand as argument to expand_and or expand_binop.
12771 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
12773 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
12774 gcc_add_string_root.
12776 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
12778 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
12780 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
12782 * flow.c (compute_flow_dominators): Initially put all blocks on
12784 * lcm.c (compute_antinout_edge, compute_available): Similarly.
12785 * gcse.c (compute_cprop_avinout): Remove.
12786 (compute_cprop_data): Use compute_available.
12787 (delete_null_pointer_checks_1): Use compute_available.
12789 * basic-block.h (compute_available): Returns a void now.
12790 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
12791 to return a value anymore.
12792 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
12793 worklists. Fix boundary cases. Compute maximal solutions.
12794 (compute_laterin, compute_nearerout): Similarly.
12796 * dwarf2out.c (add_AT_location_description): Allow
12797 (mem (plus (pseudo) (...)) too.
12799 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
12801 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
12803 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
12804 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12806 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
12808 * gansidecl.h: Likewise.
12814 * toplev.h: Likewise.
12816 * tree.c: Likewise.
12818 * tree.h: Likewise.
12820 * varray.c: Likewise.
12822 * varray.h: Likewise.
12824 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
12826 * gcov.c (struct arcdata): Add hits and total, remove prob.
12827 (output_branch_counts): New.
12828 (process_args): Set output_branch_counts if -c.
12829 (calculate_branch_probs): Store hits and total instead of
12831 (output_data): Emit counts if output_branch_counts is true.
12832 * gcov.texi (Invoking Gcov): Document -c switch..
12834 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
12836 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
12837 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
12839 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
12841 * invoke.texi (C Dialect Options): Add missing builtins from
12842 c-common.c to list.
12843 * extend.texi (Other Builtins): Copy to this list.
12845 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12847 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
12848 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
12849 redundant bitmap.h.
12851 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
12853 * flow.c (compute_flow_dominators): No longer treat basic block 0
12854 or (n_basic_blocks - 1) specially. Clear the AUX field before
12855 starting computation of doms/pdoms. Fix initial state for pdoms.
12857 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12859 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
12860 match rtl.o's: added ggc.h and toplev.h
12861 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
12862 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
12863 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
12865 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
12867 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
12868 from HAVE_DOS_BASED_FILESYSTEM.
12869 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
12870 HAVE_DOS_BASED_FILESYSTEM.
12872 (split_directories): Only special-case DOS file names if
12873 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
12874 instead of explicit tests. Conditionalize on !VMS.
12875 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
12876 tests. Conditionalize on !VMS.
12877 (process_command): Only use make_relative_prefix if !VMS.
12878 (free_split_directories): Conditionalize on !VMS.
12879 (DIR_UP): Conditionalize on !VMS.
12881 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
12883 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
12885 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
12887 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
12890 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
12892 * invoke.texi (Environment Variables): Document relative path
12894 * gcc.c (DIR_UP): If not defined, define as "..".
12895 (standard_bindir_prefix): New static, holds target location to
12897 (split_directories): New function to split a filename into
12898 component directories.
12899 (free_split_directories): New function, release memory allocated
12900 by split_directories.
12901 (make_relative_prefix): New function, make a relative pathname if
12902 the compiler is not in the expected location.
12903 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
12904 can figure out an appropriate prefix from argv[0].
12905 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
12906 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
12907 STANDARD_BINDIR_PREFIX.
12909 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12911 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
12913 * config/c4x/c4x.h: Moved prototypes to c4x.h.
12914 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
12915 c4x_secondary_memory_needed) Delete.
12916 (fp_zero_operand): Add mode argument.
12918 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
12920 * reload1.c (reload_reg_free_for_value_p): Don't use a register
12921 that is in reload_reg_used.
12923 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
12925 * config/arm/arm-protos.h: New file: Prototypes for functions
12926 defined in arm.c and pe.c.
12927 * config/arm/arm.h: Fix compile time warnings.
12928 * config/arm/arm.c: Fix compile time warnings.
12929 * config/arm/pe.h: Fix compile time warnings.
12930 * config/arm/aout.h: Fix compile time warnings.
12932 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
12934 * config/m32r/m32r-protos.h: New file: Prototypes for functions
12937 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
12938 Add support for subtargets.
12939 Add prototypes for new predicates.
12940 Add scheduling macros.
12942 * config/m32r/m32r.c: Fix compile time warnings.
12943 (int8_operand): New predicate function.
12944 (reg_or_cmp_int16_operand): New predicate function.
12945 (extend_operand): New predicate function.
12946 (m32r_adjust_code): New scheduling function.
12947 (m32r_adjust_priorty): New scheduling function.
12948 (m32r_sched_init): New scheduling function.
12949 (m32r_sched_reorder): New scheduling function.
12950 (m32r_sched_variable_issue): New scheduling function.
12951 (direct_return): New codegen function.
12952 (m32r_not_same_reg): New rtl testsing function.
12954 * config/m32r/m32r.md: Fix compile time warnings.
12955 Add support for pre decrement and post increment memory
12957 Add S<cc> patterns.
12960 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12962 * global.c (EXECUTE_IF_CONFLICT): Don't define.
12963 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
12964 (find_reg): Likewise.
12966 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
12968 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
12969 to avoid assembler errors.
12971 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
12973 * config/v850/v850-protos.h: New file: Prototypes for functions
12975 * config/v850/v850.h: Move prototypes to v850-protos.h
12976 * config/v850/v850.c: Move prototypes to v850-protos.h
12977 * config/v850/v850.md: Fix compile time warnings.
12979 * config/fr30/fr30-protos.h: New file: Prototypes for functions
12981 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
12982 * config/fr30/fr30.c: Fix compile time warnings.
12983 * config/fr30/fr30.md: Fix compile time warnings.
12985 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
12987 * tree.h (get_containing_scope): Declare it.
12988 * tree.c (get_containing_scope): New fucntion.
12989 (decl_function_context): Use it.
12990 * toplev.c (rest_of_compilation): Use get_containing_scope.
12992 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12994 * Makefile.in (rtl.o): Depend on toplev.h.
12996 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
12998 * cse.c (delete_trivially_dead_insns): Replace alloca with
13000 * except.c (update_rethrow_references): Likewise.
13001 (init_eh_nesting_info): Likewise.
13002 * function.c (identify_blocks): Likewise.
13003 * gcse.c (dump_hash_table): Likewise.
13004 * graph.c (print_rtl_graph_with_bb): Likewise.
13005 * loop.c (combine_movables): Likewise.
13006 (move_movables): Likewise.
13007 (count_loop_regs_set): Likewise.
13008 (strength_reduce): Likewise.
13009 * profile.c (compute_branch_probabilities): New function, split
13011 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
13012 * regclass.c (regclass): Likewise.
13013 * regmove.c (regmove_optimize): Likewise.
13014 * toplev.c (compile_file): Likewise.
13015 (main): Don't mess with the stack rlimit.
13017 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
13019 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
13020 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
13022 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
13024 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
13026 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
13028 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
13029 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
13032 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
13034 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
13036 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
13038 * gcse.c (post_dominators): Kill.
13039 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
13040 (compute_code_hoist_data): Use compute_flow_dominators. Do not
13041 pass in a pdom array since we do not need pdoms.
13042 * haifa-sched.c (schedule_insns): Similarly.
13043 * flow.c (compute_dominators): Remove dead function.
13044 (compute_flow_dominators): Do not compute doms or pdoms if the
13045 caller does not request them. Split up loop to build doms and
13046 pdoms. Use a worklist to compute doms and pdoms.
13047 * basic-block.h (compute_dominators): Remove prototype.
13049 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
13051 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
13052 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
13053 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
13054 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
13055 (cant_move, fed_by_spec_load, is_load_insn): Remove.
13056 (schedule_region): Remove unused variable.
13057 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
13059 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
13061 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
13062 (update_equiv_regs): Likewise.
13063 (block_alloc): Likewise.
13064 * reg-stack.c (reg_to_stack): Likewise.
13065 (convert_regs_2): Likewise.
13066 * reload1.c (reload_as_needed): Likewise.
13068 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
13070 * Makefile.in (dbxout.o): Depend on ggc.h.
13071 (dwarf2out.o): Likewise.
13072 (xcoffout.o): Likewise.
13073 * dbxout.c: Include ggc.h.
13074 (dbxout_init): Register lastfile as a root.
13075 * dwarf2out.c: Include ggc.h.
13076 (dwarf2out_line): Register lastfile as a root.
13077 * xcoffout.c: Include ggc.h.
13078 (xcoffout_source_line): Register xcoff_lastfile as a root.
13080 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
13082 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
13084 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
13086 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
13088 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
13090 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13092 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
13093 (EXECUTE_IF_CONFLICT): Likewise.
13094 (ALLOCNO_LIVE_P): Avoid signed division.
13095 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
13096 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
13097 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
13099 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
13101 * haifa-sched.c (schedule_block): Don't crash if there's no
13102 next insn for an interblock movement.
13103 (add_branch_dependences): Don't allow clobber insns to move either.
13105 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
13107 * i386.c (split_xf): New.
13108 * i386-protos.h: Declare it.
13109 * i386.md (movxf_1): Add general regs alternatives.
13110 (movxf_1+1): New splitter for same.
13112 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
13114 * function.c (purge_addressof_1): Add missing return values.
13116 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
13118 * function.c (is_addressof): New function. Returns true if
13119 the given piece of RTL is an ADDRESSOF.
13120 (purge_addressof_1): Make boolean. Return false if the
13121 ADDRESSOFs could not be purged.
13122 (purge_addressof): If ADDRESSOFs could not be purged from the
13123 notes attached to an insn, remove the offending note(s),
13124 unless they are attached to a libcall.
13126 1999-11-05 Andreas Jaeger <aj@suse.de>
13128 * genoutput.c (null_operand =): Initialize all fields.
13130 * errors.h: Add extern to prototypes.
13132 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
13134 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
13135 * configure: Rebuilt.
13137 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13139 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
13140 (mirror_conflicts): New function.
13141 (global_alloc): Call it.
13142 (expand_preferences): Remove redundant CONFLICTP test.
13143 (find_reg, dump_conflicts): Likewise.
13144 (prune_preferences): Process conflicts one word at a time.
13146 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
13148 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
13149 instead of an explicit loop.
13151 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
13153 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
13154 if REG_RETVAL check succeeds, then put classp in src_elt.
13156 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
13158 * function.c (pad_to_arg_alignment): Only update argument_pad
13159 if the argument's alignment is greater than STACK_BOUNDARY.
13161 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
13163 * bitmap.h (BITMAP_XFREE): New.
13164 * flow.c (life_analysis): Use it.
13165 (life_analysis_1): Free blocks.
13167 * combine.c (undo_commit): New.
13168 (try_combine): Use it. Don't zap undobuf.undos.
13169 (combine_instructions): Don't zap undobuf.undos; free the
13170 undobuf.frees list.
13172 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
13174 * stmt.c (cost_table_): New.
13175 (estimate_case_costs): Use it instead of xmalloc.
13177 * toplev.c (compile_file): Reuse dumpname memory instead
13180 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
13182 * reg-stack.c (convert_regs_1): Initialize target_stack->top
13183 after verifying an EH edge.
13185 * haifa-sched.c (init_rgn_data_dependences): Correctly
13186 size bb_pending_lists_length when zeroing.
13188 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
13190 * function.c (diddle_return_value): New.
13191 (expand_function_end): Use it.
13192 * stmt.c (expand_null_return): Likewise.
13193 (expand_value_return): Likewise.
13195 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
13197 * reload1.c (reload): Don't remove return value clobbers.
13199 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
13201 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
13203 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
13205 * cse.c (cse_main): Use xmalloc, not alloca.
13206 (cse_basic_block): Likewise.
13207 * local-alloc.c (local_alloc): Likewise.
13209 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
13210 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13212 * rtl.c: Include toplev.h.
13213 (fatal): Remove declaration.
13215 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
13217 * haifa-sched.c (schedule_block): Fix thinko.
13219 1999-11-03 James McKelvey <mckelvey@fafnir.com>
13221 * fixinc/fixincl.c(create_file): Allow for systems that do not have
13222 S_IR* defined values
13224 1999-11-03 Philippe De Muyter <phdm@macqel.be>
13226 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
13227 call `malloc' instead.
13229 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
13231 * flags.h (flag_renumber_insns): Declare.
13232 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
13234 * rtl.h (renumber_insns): Change prototype.
13235 * toplev.c (flag_renumber_insns): Define.
13236 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
13238 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
13240 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
13241 and fpsqrtd. Use them and create fdiv function unit to more
13242 accurately represent fpu sqrt pipeline semantics on UltraSparc.
13243 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
13245 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
13247 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
13249 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
13250 insn into ready list, do not use just a raw swap.
13252 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
13254 * rtl.h (renumber_insns): New function.
13255 (remove_unnecessary_notes): Likewise.
13256 * emit-rtl.c (renumber_insns): Define.
13257 (remove_unncessary_notes): Likewise.
13258 * toplev.c (rest_of_compilation): Remove dead code.
13259 Use renumber_insns and remove_unncessary_notes.
13261 * gcse.c (struct null_pointer_info): New type.
13262 (get_bitmap_width): New function.
13263 (current_block): Remove.
13264 (nonnull_local): Likewise.
13265 (nonnull_killed): Likewise.
13266 (invalidate_nonnull_info): Take a null_pointer_info as input.
13267 (delete_null_pointer_checks_1): New function.
13268 (delete_null_pointer_checks): Use it.
13270 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
13271 (split_edges): Likewise.
13272 (schedule_block): Likewise.
13273 (compute_block_backward_dependencies): Likewise.
13274 (schedule_region): Likewise.
13275 (schedule_insns): Likewise.
13277 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
13279 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
13280 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
13281 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
13282 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
13283 * jump.c (delete_unreferenced_labels): Don't delete if
13284 LABEL_ALTERNATE_NAME is set.
13285 * print-rtl.c (print_rtx): Dump alternate name.
13286 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
13287 * rtl.h (LABEL_ALTERNATE_NAME): Define.
13288 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
13289 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
13291 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13293 * fix-header.c (recognized_extern, recognized_function): Constify
13296 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
13297 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
13298 (compute_available): Remove unused variable `last'.
13299 (compute_nearerout): Remove unused variable `temp_bitmap'.
13300 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
13301 Remove unused variable `x'.
13303 * scan.h (recognized_function, recognized_extern): Constify a
13306 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
13308 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13310 * varasm.c (decode_rtx_const): Use XSTR to access the string
13313 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
13315 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
13317 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13319 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
13321 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
13323 * pa.c (ireg_operand): New function.
13324 * pa.h (PREDICATE_CODES): Handle ireg_operand.
13325 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
13326 Fix out of date comment.
13328 * pa.md (negdi2): Turn into expander + anonymous pattern.
13330 * reload.c (find_reloads): Fix typos in recent change.
13332 * dwarf2out.c: Do not include ctype.h.
13334 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13336 * regclass.c (record_reg_classes): Always use may_move_cost when
13337 seeing how operand fits with various register classes.
13339 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
13341 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
13342 * toplev.c: Revert Nov 1 13:22 change.
13344 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
13346 * config/pa/pa.md (height reduction patterns): Add checks for
13347 overlapping operands to avoid semantic-destroying splits for
13348 height reduction patterns.
13350 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13352 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
13353 have been an hyphen, fixed.
13354 * configure: Rebuilt.
13356 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
13358 * config/arm/tpe.h: Add prototypes for exported functions.
13359 * config/arm/pe.c: Fix compile time warnings.
13360 * config/arm/semi.h: Fix compile time warnings.
13361 * config/arm/arm.c: Fix compile time warnings.
13362 * config/arm/arm.h: Fix compile time warnings.
13363 * config/arm/arm.md: Fix compile time warnings.
13364 * config/arm/thumb.c: Fix compile time warnings.
13365 * config/arm/thumb.h: Fix compile time warnings.
13366 * config/arm/thumb.md: Fix compile time warnings.
13368 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
13370 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
13373 * unroll.c (unroll_loop): Remove LOOP notes when loop is
13374 completely unrolled.
13376 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13378 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
13380 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
13382 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
13383 * rtl.h (rtx_equal_p): Move prototype.
13384 * rtl.c (rtx_equal_function_value_matters): Move from
13386 (rtx_equal_p): Likewise.
13387 * rtlanal.c (rtx_equal_function_value_matters): Delete.
13388 (rtx_equal_p): Likewise.
13390 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
13392 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
13393 ! HAS_INIT_SECTION.
13395 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
13397 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
13399 * pa.h (ADDR_VEC_ALIGN): Define.
13401 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
13402 notes when presented with "if (foo) break; end_of_loop" and
13403 the break sequence gets moved out of the loop.
13405 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
13406 Remove explicit zero initializations of entries within MAP.
13408 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
13410 * reg-stack.c (convert_regs_1): Handle EH edges specially.
13412 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
13414 * bitmap.h (BITMAP_XMALLOC): New macro.
13415 * flow.c (CLEAN_ALLOCA): Remove.
13416 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
13417 (life_analysis): Likewise.
13418 (update_life_info): Don't use CLEAN_ALLOCA.
13419 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
13420 (calculate_global_regs_live): Likewise.
13421 (print_rtl_with_bb): Likewise.
13422 (verify_flow_info): Likewise.
13423 * global.c (global_alloc): Likewise.
13424 (global_conflicts): Likewise.
13425 * integrate.c (save_for_inline_nocopy): Likewise.
13426 (expand_inline_function): Likewise.
13427 * jump.c (jump_optimize_1): Likewise.
13428 (duplicate_loop_exit_test): Likewise.
13429 (thread_jumps): Likewise.
13430 * loop.c (loop_optimize): Likewise.
13431 (combine_givs): Likewise.
13432 (recombine_givs): Likewise.
13433 * reorg.c (dbr_schedule): Likewise.
13434 * unroll.c (unroll_loop): Likewise.
13436 * combine.c (combine_instructions): Use xmalloc instead of alloca.
13438 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
13440 * toplev.c (rest_of_compilation): Don't optimize the CFG
13441 when rebuilding, just before dbr.
13443 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13445 * output.h (assemble_end_function, assemble_destructor,
13446 assemble_constructor, assemble_gc_entry, assemble_global,
13447 assemble_label, output_constant_pool) Constify a char*.
13449 * varasm.c (assemble_destructor, assemble_constructor,
13450 assemble_gc_entry, assemble_end_function, assemble_global,
13451 assemble_label, output_constant_pool): Likewise.
13453 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
13455 * config/arm/thumb.c (thumb_expand_prologue): Add comments
13456 explaining what is goin on in this function.
13458 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13460 * regclass.c (record_reg_classes): In matching case, recompute
13461 costs since the direction of movement is different.
13463 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13465 * resource.c (mark_target_live_regs): For unconditional branches,
13466 the resources found at the branch target should be added to the
13467 resources found so far, not intersected.
13469 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
13471 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
13473 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
13474 (sys/mman.h): Include this file only if #HAVE_MMAP.
13475 (run_compiles): Initialize `esac_fmt' with one old KR string, not
13476 with automatically concatenated ANSI strings.
13478 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
13480 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
13481 (DIV_ROUND_UP): Robustify.
13482 (ggc_recalculate_in_use_p): New function.
13483 (release_pages): Don't inline it.
13484 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
13486 (ggc_pop_context): Use ggc_recalculate_in_use_p.
13487 (clear_marks): Always save in_use_p.
13488 (sweep_pages): Use ggc_recalculate_in_use_p.
13489 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
13490 Release pages before counting statistics.
13492 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
13494 * toplev.c (rest_of_compilation): Fix thinko in this change:
13496 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
13498 (rest_of_compilation): If inside an inlined external function,
13499 pretend we are just being declared.
13501 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
13503 * flow.c (calculate_global_regs_live): Fix thinko.
13505 * integrate.c (expand_inline_function): Fix bugs in previous
13506 change from Oct 28, 1999.
13508 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
13510 * stmt.c (expand_value_return): Fix typo in this change:
13512 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13513 (expand_value_return): Correctly convert VAL when promoting function
13514 return; support RETURN_REG being a PARALLEL.
13516 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
13518 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
13520 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13522 * hard-reg-set.h (reg_names): Constify a char*.
13524 * regclass.c (reg_names): Likewise.
13526 * regs.h (reg_names): Likewise
13528 * a29k/a29k.c (reg_names): Delete declaration.
13530 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
13532 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
13533 arc_output_function_epilogue): Likewise.
13535 * elxsi/elxsi.c (reg_names): Likewise.
13537 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
13539 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
13542 * m88k/m88k.c (output_function_profiler): Likewise.
13544 * sparc/sparc.c (sparc_flat_output_function_prologue,
13545 sparc_flat_output_function_epilogue): Likewise.
13547 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
13549 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
13550 warning from -Wuninitialized and put it under -W.
13551 * function.c (uninitialized_vars_warning): Warn only when the
13552 corresponding flag is set.
13554 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
13556 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
13557 is nonzero and the single set does not have an elt, then assign
13560 * simplify-rtx.c: New file.
13561 * Makefile.in (OBJS): Add simplify-rtx.o
13562 (simplify-rtx.o): Add dependencies.
13563 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
13564 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
13565 (cse_gen_binary, simplify_unary_operation): Delete.
13566 (simplify_binary_operation, simplify_plus_minus): Likewise.
13567 (check_fold_consts, simplify_relation_operation): Likewise.
13568 (simplify_ternary_operation): Likewise.
13569 (delete_trivially_dead_insns): Simplify the contents of the
13570 REG_EQUAL note before trying to substitute it into the source
13571 of the reg-reg copy at the end of a libcall sequence.
13573 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
13574 references/callers changed.
13576 * mn10200.c (mn10200_va_arg): Force the return value into a
13579 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
13581 * cccp.c (macroexpand): Avoid out of range accesses for omitted
13584 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
13586 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
13588 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
13590 * fold-const.c (fold): Fix thinko when optimizing comparisons
13593 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
13595 * gcc.texi (Passes): Update front-end files to their current
13598 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
13600 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
13601 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
13602 (PREDICATE_CODES): Add addition_operation.
13603 * alpha-protos.h (addition_operation): Declare.
13604 (secondary_reload_class): Likewise.
13605 * alpha.c (addition_operation): New.
13606 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
13607 * alpha.md (adddi3): Turn into expander.
13608 (*lda, *adddi_2): New.
13609 (movsf, movdf patterns): Don't preference integer regs.
13610 (movsi, movdi patterns): Don't preference fp regs.
13612 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
13614 * genrecog.c (write_switch): Check for duplicate CODE cases.
13616 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
13618 * ggc-common.c: Update pre-function commentary.
13619 * ggc-page.c: Likewise.
13621 (poison_pages): Use memset directly.
13622 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
13623 (ggc_collect): Poison before sweeping.
13624 * ggc-simple.c: Update pre-function commentary.
13625 (ggc_alloc_obj): Poison non-zeroed memory.
13627 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
13629 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
13630 match format string, even on 64-bit hosts.
13631 * gcc-page.c (ggc_page_print_statistics): Likewise.
13633 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
13635 * config/i386/i386.c (ix86_cpu): Revert last patch.
13636 * config/i386/i386.h (ix86_cpu): Ditto.
13638 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
13640 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
13641 TYPE_SIZE, convert type of result to sizetype.
13643 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
13645 * flow.c (count_or_remove_death_notes): Equate NULL with the
13648 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
13649 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
13652 * i386.c (pic_label_no): Delete.
13653 (ix86_attr_length_default): Don't use single_set to peek
13656 * recog.c (peephole2_optimize): Allow recog_next_insn to index
13657 the first insn after bb->end.
13658 * i386.md (push mem peeps): Scratch is live after evaluation
13660 (cmp mem peep): Similarly.
13662 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
13664 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
13665 * function.c (pad_to_arg_alignment): Add missing braces.
13667 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13669 * alpha/alpha-protos.h (literal_section): Add prototype.
13670 (alpha_need_linkage, alpha_start_function,alpha_end_function):
13673 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
13675 (alpha_start_function, alpha_end_function, float_strings,
13676 alpha_need_linkage): Constify a char*
13678 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
13680 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
13682 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13684 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
13686 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13688 * flow.c (debug_flow_info): Add prototype.
13690 * gcc.c (main): Likewise.
13692 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
13695 * reload1.c (failed_reload, set_reload_reg): Likewise.
13697 * mips-tfile.c (main): Likewise.
13698 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
13699 with ATTRIBUTE_NORETURN.
13701 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
13703 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
13704 DECL is not a memory ref.
13706 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
13708 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
13709 * config/i386/i386.c (ix86_cpu): Add extern attribute.
13711 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
13713 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
13714 * config/mips/elf64.h: ditto.
13716 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
13718 * expr.c (emit_push_insn): New argument alignment_pad.
13719 Update all callers. Adjust stack pointer based on alignment pad.
13720 * function.c (pad_to_arg_alignment): New argument alignment_pad.
13721 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
13722 (locate_and_pad_parm): New argument alignment_pad. Update all
13724 * expr.h (emit_push_insn): Update prototype.
13725 (locate_and_pad_parm): Update prototype.
13726 * calls.c (arg_data): Add new field alignment_pad.
13727 (initialize_argument_information): Initialize alignment_pad.
13729 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
13731 * except.c (free_eh_nesting_info): Free the info itself.
13732 * function.c (free_after_compilation): Don't free NULL.
13733 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
13734 (pre_edge_insert): Free inserted.
13735 * stmt.c (free_stmt_status): Don't free NULL.
13737 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
13739 * gcov.c (DIR_SEPARATOR): Provide default.
13740 (output_data): Add test for MS-DOS format absolute filename.
13741 (fancy_abort): Correct program name.
13742 (open_files): Open all files in binary mode.
13743 * libgcc2.c (__bb_exit_func): Likewise.
13745 * profile.c (init_branch_prob): Specify binary when opening files.
13747 * flags.h (flag_unwind_tables): New decl.
13748 * toplev.c (flag_unwind_table): New definition.
13749 (f_options): Add -funwind-tables.
13750 (decode_g_option): Clarify warning when unknown -g option is given.
13751 (rest_of_compilation): If inside an inlined external function,
13752 pretend we are just being declared.
13754 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
13755 (dwarf2out_frame_finish): Likewise.
13757 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
13759 * fold-const.c (merge_ranges): If not in0, but in1, handle
13760 upper bounds equal like subset case.
13762 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
13764 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
13765 passed in a register but moved to the stack.
13767 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
13769 * gcc.c (pass_exit_codes, greatest_status): New variables.
13770 (struct option_map): Add entry for "--pass-exit-codes".
13771 (execute): Update greatest_status if error.
13772 (display_help): Add documentation for -pass-exit-codes.
13773 (process_command): Handle -pass-exit-codes.
13774 (main): Look at pass_exit_codes and greatest_status on call to exit.
13776 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13778 * reload.c (find_reloads): Refine test for no input reload
13779 case to not includes reloads emitted after insn.
13781 * function.c (find_temp_slots_from_address): Handle sum involving
13782 a register that points to a temp slot.
13783 (update_temp_slot_address): Make recursive call if both old and
13784 new are PLUS with a common operand.
13785 * calls.c (expand_call): Mark temp slot for result as having
13788 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
13790 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
13791 component as well as "BINUTILS".
13793 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
13794 * integrate.c (copy_rtx_and_substitute): Likewise.
13795 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
13796 All callers changed.
13797 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
13799 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
13800 gdb extensions, write size of type; also be more consistent
13801 in using references when this is a subtype.
13803 * pa.md (extv, extzv, insv): Use define_expand to reject constant
13804 that is out of range.
13806 * loop.c (unknown_constant_address_altered): New variable.
13807 (prescan_loop): Initialize it.
13808 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
13809 (invariant_p, case MEM): Remove handling for volatile and readonly;
13810 check new variable if readonly.
13811 (check_dbra_loop): Chdeck unknown_constant_address_altered.
13813 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
13814 (addr_affects_sp_p): Removed from note_mem_written and only
13815 define #ifdef AUTO_INC_DEC.
13817 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
13819 * regclass.c (record_reg_classes): Properly handle register move
13822 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
13823 Don't think valid if both operands are invalid.
13824 (struct constant_descriptor): New field RTL.
13825 (mark_const_hash_entry): Mark it.
13826 (record_constant{,_rtx}): Initialize it.
13827 (output_constant_def): Allocate RTL in permanent obstack and
13829 ({record,compare}_constant_1): Modes must match for
13830 CONSTRUCTOR of ARRAY_TYPE.
13832 * c-common.h (initializer_constant_valid_p): Delete decl from here.
13833 * output.h (initializer_constant_valid_p): Move decl to here.
13834 * c-common.c (initializer_constant_valid_p): Delete function from here.
13835 * varasm.c (initializer_constant_valid_p): Move function to here.
13837 * tree.h (STRIP_SIGN_NOPS): New macro.
13838 * fold-const.c (optimize_minmax_comparison): New function.
13839 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
13840 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
13841 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
13842 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
13843 widening conversions.
13844 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
13845 to look at size of mode, not precision of type; also add missing cases.
13846 (optimize_bit_field_compare, decode_field_reference): Don't try to
13847 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
13849 * dwarf2out.c (ctype.h): Include.
13850 (dwarf2out_set_demangle_name_func): New function.
13851 (size_of_line_info): Deleted.
13852 (output_line_info): Compute size of line info table from difference
13854 (base_type_die, add_name_attribute): Call demangle function, if any.
13855 (field_byte_offset): Use bits per word for variable length fields.
13856 (gen_array_type_die): Add array name.
13857 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
13858 (dwarf2out_add_library_unit_info): New function.
13860 * explow.c (set_stack_check_libfunc): New function.
13861 (stack_check_libfunc): New static variable.
13862 (probe_stack_range): Allow front-end to set up a libfunc to call.
13864 * combine.c (simplify_comparison): When making comparison in wider
13865 mode, check for having commuted an AND and a SUBREG.
13866 (contains_muldiv): New function.
13867 (try_combine): Call it when dividing a PARALLEL.
13868 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
13869 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
13871 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
13872 use one of the CLOBBERs instead.
13873 (if_then_else_cond): If comparing against zero, just return thing
13876 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
13877 Don't generate shifts and subtract if have conditional arithmetic.
13879 * rtl.h (delete_barrier): New declaration.
13880 * jump.c (jump_optimize): Set up to handle conditional call.
13881 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
13882 (delete_barrier): New function.
13884 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
13886 * recog.c (nonmemory_operand): Accept ADDRESSOF.
13888 * tree.c (build_type_attribute_variant): Push to obstack of
13889 ttype around type_hash_canon call.
13891 * expr.c (placeholder_list): Move decl to file scope.
13892 (expand_expr): Don't force access to volatile just because its
13894 If ignoring reference operations, just expand the operands.
13895 (expand_expr, case COMPONENT_REF): Propagate
13896 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
13897 Refine test for using bitfield operations vs pointer punning.
13898 (expand_expr, case CONVERT_EXPR): If converting to
13899 BLKmode UNION_TYPE from BLKmode, just return inner object.
13900 Use proper mode in store_field call.
13901 Properly set sizes of object to store and total size in store_field
13902 call for convert to union.
13903 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
13904 memory (like for ADDR_EXPR). Also, don't put constant in register if
13905 we'll want it in memory.
13906 (readonly_fields_p): New function.
13907 (expand_expr, case INDIRECT_REF): Call it if LHS.
13908 (expand_assignment): Handle a RESULT_DECL where
13909 DECL_RTL is a PARALLEL.
13910 (do_jump, case WITH_RECORD_EXPR): New case.
13911 (get_inner_reference): Always go inside a CONVERT_EXPR
13912 and NOP_EXPR if both modes are the same.
13913 (store_field): Use bitfield operations if size of bitsize is not same
13914 as size of RHS's type.
13915 Check for bitpos not a multiple of alignment in BLKmode case.
13916 Do block move in largest possible alignment.
13917 (store_constructor): Set BITSIZE to -1 for variable size and properly
13918 in case of array of BLKmode.
13919 (expand_expr_unaligned): New function.
13920 (do_compare_and_jump): Call it.
13922 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
13923 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
13924 does not include 'o'.
13926 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
13927 both SET_DEST and SET_SRC reference a virtual register.
13928 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
13930 * integrate.c (expand_inline_function): Handle case of setting
13931 virtual stack vars register (from built in setjmp); when parameter
13932 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
13933 (subst_constant): Add new parm, MEMONLY.
13934 (expand_inline_function, integrate_parm_decls): Pass new parm.
13935 (integrate_decl_tree): Likewise.
13936 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
13937 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
13938 (copy_rtx_and_substitute, case SET): Add explicit calls to
13939 copy_rtx_and_substitute for both sides.
13941 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
13943 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
13944 within INDEX_TYPE, instead of before.
13945 (fixup_gotos): Use f->target_rtl, not the next insn,
13946 since latter may be from a later fixup.
13947 (expand_value_return): Correctly convert VAL when promoting function
13948 return; support RETURN_REG being a PARALLEL.
13949 (expand_return): When checking for result in regs and having
13950 cleanup, consider PARALLEL in DECL_RTL as being in regs.
13952 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
13954 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
13955 last_nominal_fname): Mark const.
13956 (struct include_hash: name, nshort, control_macro): Mark
13958 (struct macrodef: symnam): Mark const.
13959 (struct if_stack: fname): Mark const.
13960 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
13961 (IStable): New character-syntax array which encompasses all
13962 the old is_foo arrays.
13963 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
13964 is_space): New macros for interrogating IStable.
13965 (check_macro_name): Kill last argument. All callers changed.
13967 * cppinit.c (initialize_char_syntax): Delete.
13968 (is_idchar, is_idstart, is_hor_space, is_space,
13969 trigraph_table): Delete.
13970 (IStable): New. Initialize with clever macros to avoid
13971 information duplication.
13972 (builtin_array): Table of builtins to get rid of explicit list
13973 in initialize_builtins.
13974 (initialize_builtins): Use builtins_array.
13975 (cpp_start_read): Call init_IStable, and set IStable['$'] if
13976 opts->dollars_in_ident.
13978 * cppexp.c: Change all refs to is_xyz[] arrays to use new
13980 (cpp_parse_expr): Avoid 'format string is not constant'
13981 warning. Use ISGRAPH to identify printable chars.
13982 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
13984 (read_and_prescan): Map trigraphs to chars with open-coded
13985 if-else-if-... sequence, not a lookup table.
13986 * cpphash.c: Change all refs to is_xyz[] arrays to use new
13988 * cpplib.c: Change all refs to is_xyz[] arrays to use new
13989 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
13990 (check_macro_name): Remove ability to report an invalid
13991 assertion name, which is never used.
13992 (do_line): Constify a couple of char *'s.
13993 * cppmain.c (main): Call cpp_cleanup before returning.
13995 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
13997 * ggc.h (struct ggc_statistics): New type.
13998 (ggc_get_size): New function.
13999 (ggc_print_statistics): Likewise.
14000 * ggc-common.c (ggc_stats): New variable.
14001 (ggc_mark_rtx_children): Keep statistics.
14002 (ggc_mark_tree_children): Likewise.
14003 (ggc_print_statistics): New function.
14004 * ggc-page.c (struct globals): Add bytes_mapped field.
14005 (alloc_anon): Update it.
14006 (release_pages): Likewise.
14007 (ggc_get_size): New function.
14008 (ggc_page_print_statistics): New function.
14009 * ggc-simple.c (ggc_get_size): New function.
14011 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
14013 * flow.c (propagate_block): When the last reference to a label
14014 before an ADDR_VEC is deleted because the reference is a dead
14015 store, delete the ADDR_VEC.
14017 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
14019 * resource.c (find_free_register): Don't use the frame pointer
14020 if frame_pointer_needed.
14022 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
14024 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
14025 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
14027 * config/i960/i960.c (i960_va_start): New locals base, num.
14028 Use INDIRECT_REF instead of ARRAY_REF on valist.
14029 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
14031 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
14033 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
14035 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
14037 * tree.def (PLACEHOLDER_EXPR): Update comments.
14039 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14041 * c-common.c (check_format_info): Avoid non-literal format string
14042 warnings when `first_arg_num' is zero.
14044 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14046 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
14048 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
14050 * arm.md (casesi_insn): Add a clobber of the condition code
14053 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
14055 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
14056 used by both cc1 and cc1plus.
14058 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
14060 * config/arm/arm.c: Initialise arm_structure_size_boundary to
14061 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
14062 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
14063 to the value 32 if it has not already been defined.
14064 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
14065 Override definition in arm.h with a value of 8.
14067 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
14069 * c-pragma.c (push_alignment): Don't check the return value
14072 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
14074 * sparc.h (ADJUST_COST): Fix thinko.
14076 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
14078 * cccp.c (rescan): Fixed obp pointer handling around call to
14079 check_expand subroutine.
14081 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
14083 * gcse.c (delete_null_pointer_checks): Only record non-null info
14084 for pseudos when examining stores.
14086 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
14087 splitters for these patterns. Use "#" for output templates.
14088 (addsi3_carryin_shift): New pattern.
14090 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
14092 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
14093 of the function return register into a plain REG until
14094 after function inlining is done.
14096 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
14098 * jump.c (jump_optimize_1): If we did cross-jumping, and
14099 the data will matter, rebuild the CFG.
14100 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
14101 not optimizing. Don't run shorten_branches.
14102 * toplev.c (rest_of_compilation): Run shorten_branches after
14105 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
14107 * rtl.h (note_stores): Add additional paramter.
14108 * rtlanal.c (reg_set_p_1): Take additional paramter.
14109 (reg_set_last_1): Likewise.
14110 (reg_set_p): Adjust call to note_stores.
14111 (reg_set_last): Likewise.
14112 (note_stores): Pass data parameter to worker function.
14113 * alias.c (record_set): Take additional parameter.
14114 (init_alias_analysis): Pass it.
14115 * caller-save.c (mark_set_regs): Take additional parameter.
14116 (save_call_clobbered_regs): Pass NULL to note_stores.
14117 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
14119 (record_dead_and_set_regs_1): Likewise.
14120 (reg_dead_at_p_1): Likewise.
14121 (combine_instructions): Adjust calls to note_stores.
14122 (try_combine): Likewise.
14123 (record_dead_insn): Remove.
14124 (record_dead_and_set_regs): Adjust calls to note_stores.
14125 (reg_dead_at_p): Likewise.
14126 * cse.c (invalidate_skipped_set): Take additional parameter.
14127 (cse_check_loop_start): Likewise.
14128 (cse_check_loop_start_value): Remove.
14129 (cse_set_around_loop): Adjust calls to note_stores.
14130 * flow.c (notice_stack_pointer_modification): Take additional
14131 parameter. Remove duplicate declaration.
14132 (record_volatile_insns): Adjust calls to note_stores.
14133 * gcse.c (record_set_info): Take additional parameter.
14134 (record_last_set_info): Likewise.
14135 (invalidate_nonnull_info): Likewise.
14136 (record_set_insn): Remove.
14137 (compute_sets): Adjust calls to note_stores.
14138 (last_set_insn): Remove.
14139 (compute_hash_table): Adjust calls to note_stores.
14140 (insert_insn_end_bb): Likewise.
14141 (delete_null_pointer_checks): Likewise.
14142 * global.c (mark_reg_store): Take additional parameter.
14143 (mark_reg_clobber): Likewise.
14144 (reg_becomes_live): Likewise.
14145 (global_conflicts): Adjust calls to note_stores.
14146 (build_insn_chain): Likewise.
14147 * integrate.c (note_modified_parmregs): Take additional parameter.
14148 (mark_stores): Likewise. Make it static.
14149 (save_for_inline_nocopy): Adjust calls to note_stores.
14150 (try_constants): Likewise.
14151 * integrate.h (mark_stores): Remove declaration.
14152 * jump.c (mark_modified_reg): Take additional parameter.
14153 (thread_jumps): Adjust calls to note_stores.
14154 * local-alloc.c (validate_equiv_mem_from_store): Take additional
14156 (no_equiv): Likewise.
14157 (reg_is_set): Likewise.
14158 (validate_equiv_mem): Adjust calls to note_stores.
14159 (update_equiv_regs): Likewise.
14160 (block_alloc): Likewise.
14161 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
14162 (note_addr_stored): Take additional parameter.
14163 (note_set_pseudo_multiple_uses): Likewise.
14164 (record_initial): Likewise.
14165 (prescan_loop): Adjust calls to note_stores.
14166 (strength_reduce): Likewise.
14167 (check_dbra_loop): Likewise.
14168 * regmove.c (flags_set_1): Take additional paramter.
14169 (mark_flags_life_zones): Adjust calls to note_stores.
14170 * reload1.c (mark_not_eliminable): Take additional parameter.
14171 (forget_old_reloads_1): Likewise.
14172 (reload_cse_invalidate_rtx): Likewise.
14173 (reload_cse_check_clobber): Likewise.
14174 (reload_combine_note_store): Likewise.
14175 (move2add_note_store): Likewise.
14176 (reload): Adjust calls to note_stores.
14177 (reload_as_needed): Likewise.
14178 (emit_reload_insns): Likewise.
14179 (reload_cse_regs_1): Likewise.
14180 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
14181 (reload_combine): Adjust calls to note_stores.
14182 * resource.c (update_live_status): Take additional paramter.
14183 (mark_target_live_regs): Adjust calls to note_stores.
14184 * stupid.c (find_clobbered_regs): Take additional parameter.
14185 (stupid_life_analysis): Adjust calls to note_stores.
14187 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
14189 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
14192 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
14195 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
14196 of the variable arm_structure_size_boundary.
14198 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
14200 * alias.c (init_alias_analysis): Allocate reg_known_value and
14201 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
14203 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
14204 * cse.c (cse_main): Call end_alias_analysis.
14205 * haifa-sched.c (schedule_insns): Likewise.
14206 * local-alloc. (update_equiv_regs): Likewise.
14207 * reload1.c (reload_cse_regs): Likewise.
14209 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14211 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
14212 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
14213 mapping from MASK_FPU.
14215 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
14217 * sparc.md (call): Don't bound structure return size to 0xfff.
14219 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
14221 * resource.c (mark_target_live_regs): Check that the target
14222 insn wasn't created after compute_bb_for_insn.
14224 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
14226 * ggc-page.c (poison_pages): Don't be overzealous.
14228 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
14230 * alias.c: Update comments for ADDRESS.
14231 (nonlocal_reference_p): Look inside the ADDRESS to determine if
14232 it is a local memory reference.
14234 * c-typeck.c (build_function_call): Check that the built-in
14235 function is of class BUILT_IN_NORMAL before trying to recongize
14236 it as BUILT_IN_ABS.
14237 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
14238 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
14240 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
14242 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
14244 (pre_gcse): Likewise.
14245 (hoist_expr_reaches_here_p): Likewise.
14246 (hoist_code): Likewise.
14247 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
14249 (pre_expr_reaches_here_p_work): ... here.
14250 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
14252 (expr_reaches_here_p_work): ... here.
14254 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
14256 * resource.c (find_basic_block): Delete.
14257 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
14258 (init_resource_info): Call compute_bb_for_insn.
14260 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
14262 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
14263 with already adjacent blocks, but no fallthru.
14264 (merge_blocks_move_successor_nojumps): Simplify.
14265 (debug_flow_info): New.
14267 * toplev.c (rest_of_compilation): Open jump1 dump file before
14268 jump and close after, as opposed to just using dump_rtl.
14270 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14272 * reload.h (earlyclobber_operand_p): Declare.
14273 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
14274 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
14275 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
14276 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
14278 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
14279 Richard Henderson <rth@cygnus.com>
14281 * emit-rtl.c (emit_block_insn_before): New.
14282 (emit_block_insn_after): New.
14283 * basic-block.h: Declare them.
14285 * bitmap.h: Protect from multiple inclusion.
14287 * recog.c (scratch_operand): Handle VOIDmode correctly.
14289 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
14291 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
14292 * function.c (assign_parms): Likewise.
14293 * global.c (global_conflicts): Clarify STACK_REGS commentary.
14295 * reg-stack.c (max_uid): Remove.
14296 (blocks, block_begin, block_end, block_drops_in): Remove.
14297 (block_stack_in, block_out_reg_set, block_number): Remove.
14298 (struct block_info_def, BLOCK_INFO): New.
14299 (enum emit_where): New.
14300 (current_block): New.
14301 (BLOCK_NUM): Remove.
14302 (mark_regs_pat, record_label_references): Remove.
14303 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
14305 (goto_block_pat, print_blocks, dump_stack_info): Remove.
14306 (reg_to_stack): Simplified test for existance of fp code. Use
14307 flow.c code. Call shorten_branches after cross-jump opt.
14308 (check_asm_stack_operands): Renamed from record_asm_reg_life.
14309 Return false if the asm doesn't use stack regs. Don't do life
14310 analysis on the asm.
14311 (emit_pop_insn): Replace function pointer arg `when' with
14312 enum `where'. Update all callers.
14313 (change_stack): Likewise. Update basic block end.
14314 (emit_swap_insn): Use current_block->head to limit reverse search
14315 for start of block. Use emit_block_insn_after.
14316 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
14317 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
14318 structure assignment instead of bcopy.
14319 (print_stack): New.
14320 (convert_regs_entry, convert_regs_exit): New.
14321 (convert_regs_1, convert_regs_2): Split out from convert_regs.
14322 Work on basic blocks and the CFG.
14323 (convert_regs): Use them.
14325 * i386.c (output_fix_trunc): Remove code for DImode input operand
14326 not at top-of-stack.
14327 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
14329 (fix_truncdi_1): Allow any mode scratch.
14331 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
14333 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
14334 * linux.h, netbsd.h, vms.h: Not here.
14336 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
14338 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
14339 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
14340 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
14341 CONDITIONAL_REGISTER_USEAGE): Use them.
14342 * config/mips/mips.c (mips_move_1word,mips_move_2words,
14343 gen_conditional_branch,override_options) : Use them.
14344 * config/mips/mips.md : Use them.
14346 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
14348 * i386.md (zero_extendqihi2): Use SImode register name with andl.
14350 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
14352 * integrate.c (function_cannot_inline_p): Don't allow inlining
14355 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14357 * c-parse.in (cast_expr): Constify.
14359 * cccp.c (special_symbol): Likewise.
14361 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
14363 * dwarf2out.c (base_type_die): Likewise.
14365 * global.c (allocno_compare): Likewise.
14367 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
14369 * regclass.c (fix_register): Likewise.
14371 * rtl.h (fix_register): Likewise.
14373 * stupid.c (stupid_reg_compare): Likewise.
14375 * toplev.c (decode_f_option): Likewise.
14377 * tree.c (build_complex_type): Likewise.
14379 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
14381 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
14383 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14385 * reload.c (find_reloads): Compute mode and nregs fields of all
14387 * reload1.c (calculate_needs_all_insns): Simplify a bit.
14388 (calculate_needs): Use precomputed mode/nregs values.
14389 (allocate_reload_reg): Likewise.
14391 (failed_reload, set_reload_reg): ... new functions.
14392 (choose_reload_regs_init): New function, mostly broken out from...
14393 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
14394 Also lose one #if 0 block.
14396 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
14398 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
14401 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
14403 * tree.h (BLOCK_TYPE_TAGS): Remove.
14404 (BLOCK_END_NOTE): Likewise.
14405 (BLOCK_LIVE_RANGE_FLAG): Likewise.
14406 (BLOCK_LIVE_RANGE_START): Likewise.
14407 (BLOCK_LIVE_RANGE_END): Likewise.
14408 (tree_block): Remove live_range_flag, live_range_var_flag, and
14409 type_tags. Remove end_note, live_range_start, and live_range_end.
14410 (remember_end_note): Remove prototype.
14411 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
14412 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
14414 * ggc-common.c (ggc_mark_tree_children): Don't mark
14415 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
14416 * integrate.c (adjust_copied_decl_tree): Remove.
14417 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
14418 * stmt.c (last_block_end_note): Remove.
14419 (init_stmt): Don't add a GC root for it.
14420 (expand_fixup): Don't set it.
14421 (remember_end_note): Remove.
14422 (expand_end_bindings): Don't set last_block_end_note.
14424 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14426 * reload1.c (reload_reg_free_for_value_p): Show
14427 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
14430 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
14432 * expmed.c (extract_bit_field): Allow for the case of non-integer
14433 objects that are smaller than a word (like SFmode on a 64-bit
14436 * loop.c (basic_induction_var): A non-integer variable which is
14437 being set by a paradoxical subreg is probably not a biv.
14439 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14441 * prefix.c (translate_name) Check for empty prefix string.
14443 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
14445 * Makefile.in (CPP_CROSS_NAME): New variable.
14446 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
14448 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
14449 names of the files to be uninstalled.
14451 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
14453 * collect2.c (IS_DIR_SEPARATOR): Define.
14454 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
14456 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
14459 * haifa-sched.c (add_dependence): Update the true dependency
14460 cache the first time we add a true dependence to the LOG_LINKS chain.
14462 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
14464 * fold-const.c (fold): Fix comment.
14466 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14468 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
14469 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
14470 dbxout_start_new_source_file, dbxout_source_file,
14471 dbxout_source_line, dbxout_finish, dbxout_type_fields,
14472 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
14474 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
14475 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
14476 (dbxout_block): Initialize variable `blocknum'.
14478 * dbxout.h (dbxout_init, dbxout_finish,
14479 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
14480 dbxout_args, dbxout_source_line): Constify a char*.
14482 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
14483 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
14484 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
14485 low_pc_attribute, high_pc_attribute, body_begin_attribute,
14486 body_end_attribute, comp_dir_attribute, sf_names_attribute,
14487 src_info_attribute, mac_info_attribute, producer_attribute,
14488 lookup_filename, generate_macinfo_entry, fundamental_type_code,
14489 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
14490 dwarfout_undef): Constify a char*.
14491 (add_incomplete_type, retry_incomplete_types): Add prototypes.
14493 * dwarfout.h (dwarfout_define, dwarfout_undef,
14494 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
14496 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
14498 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
14499 (MULTILIB_ISA_DEFAULT): New.
14500 (MULTILIB_DEFAULTS): Use it.
14501 * config/mips/mips.c (): Remove the now unnecessary definition
14502 of MIPS_ISA_DEFAULT.
14503 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
14504 unnecessary definition.
14506 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
14508 * arm.md (pic_load_addr): Add constraints to operand 1.
14510 1999-10-25 Bruce Korb <autogen@linuxbox.com>
14512 * fixinc/genfixes: Provide a means for specifying -D options to
14515 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
14517 * arm.c (arm_override_options): Correct initialization of
14518 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
14519 arm_is_strong, and arm_is_6_or_7.
14521 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
14522 (note_set_pseudo_multiple_uses): New function.
14523 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
14524 if a pseudo set in the loop exit is used elsewhere.
14526 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
14528 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
14530 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
14532 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
14533 a single load-address pattern.
14535 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
14537 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
14538 depending on whether or not line-number notes are present.
14540 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14542 * cccp.c (progname, file_buf, default_include, include_file,
14543 macrodef, definition, hashval, wchar_type, user_label_prefix,
14544 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
14545 expand_to_temp_buffer, is_system_include, base_name,
14546 absolute_filename, read_name_map, open_include_file,
14547 record_control_macro, check_precompiled, check_preconditions,
14548 pcfinclude, pass_thru_directive, create_definition,
14549 check_macro_name, comp_def_part, collect_expansion,
14550 check_assertion, read_token_list, assertion_install,
14551 assertion_lookup, eval_if_expression, conditional_skip,
14552 validate_else, skip_quoted_string, quote_string, macarg1,
14553 error_from_errno, install, lookup, hashf, dump_defn_1,
14554 perror_with_name, pfatal_with_name, main, trigraph_pcp,
14555 check_white_space, rescan, handle_directive, monthnames,
14556 special_symbol, do_include, remap_include_file, write_output,
14557 arglist, do_assert, do_unassert, do_line, do_error, do_once,
14558 do_ident, do_sccs, do_xifdef, skip_if_group,
14559 output_line_directive, macroexpand, macarg, change_newlines,
14560 initialize_builtins, make_definition): Constify a char*.
14562 * pcp.h (stringdef): Likewise.
14564 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
14566 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
14569 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
14570 Richard Henderson <rth@cygnus.com>
14572 * alias.c: Include ggc.h.
14573 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
14574 (record_set): Verify enough room in reg_base_value.
14575 (init_alias_analysis): Allocate reg_base_value with xcalloc.
14576 Register it as a GC root.
14577 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
14578 * Makefile.in (alias.o): Depend on ggc.h.
14580 * unroll.c (unroll_loop): Verify the insn before a barrier
14581 is a JUMP_INSN before checking JUMP_LABEL.
14583 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14585 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
14586 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
14587 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
14588 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
14589 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
14590 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
14592 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14594 * output.h (ctors_section, dtors_section, bss_section): Prototype.
14596 * alpha/alpha-interix.h (text_section): Delete prototype.
14597 * alpha/elf.h (text_section): Likewise.
14598 * arm/linux-elf.h (text_section): Likewise.
14599 * arm/linux-telf.h (text_section): Likewise.
14600 * c4x/c4x.h (text_section): Likewise.
14601 * dsp16xx/dsp16xx.h (bss_section): Likewise.
14602 * elfos.h (text_section): Likewise.
14603 * i386/aix386ng.h (text_section): Likewise.
14604 * i386/i386-interix.h (text_section): Likewise.
14605 * i386/sco5.h (text_section): Likewise.
14606 * i386/svr3gas.h (text_section): Likewise.
14607 * nextstep.h (text_section): Likewise.
14608 * psos.h (text_section): Likewise.
14609 * ptx4.h (text_section): Likewise.
14610 * svr3.h (text_section): Likewise.
14611 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
14613 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14615 * final.c (peephole): Delete prototype.
14617 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
14618 (pre_insert_copies): Remove unused variable `bb'.
14620 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
14623 * output.h (peephole): Add prototype.
14625 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
14627 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
14630 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
14632 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
14633 for inlined declarations.
14635 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
14637 * arm.c (logical_binary_operator): New fucntion.
14638 * arm.h (logical_binary_operator): Declare it.
14639 (PREDICATE_CODES): Handle logical_binary_operator.
14640 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
14641 output constraints. Add appropriate splitters.
14642 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
14643 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
14644 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
14646 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14648 * genoutput.c (struct operand_data): New elt eliminable.
14649 (output_operand_data): Write it.
14650 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
14651 (compare_operands): Take it into account.
14652 * recog.h (struct insn_operand_data): New elt eliminable.
14653 * reload1.c (check_eliminable_occurrences, elimination_effects): New
14655 (old_asm_operands_vec, new_asm_operands_vec): Delete.
14656 (eliminate_regs): Move code that detects changes to elimination
14657 target regs into new function elimination_effects.
14658 Delete one #if 0 block.
14659 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
14660 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
14661 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
14662 Only call eliminate_regs for real operands of the insn, not for parts
14663 of its structure or parts matched by things like match_operator.
14664 Use elimination_effects and check_eliminable_occurrences. Use
14665 copy_insn to duplicate the pattern when not in the final pass.
14667 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
14669 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
14672 1999-10-22 Bruce Korb <autogen@linuxbox.com>
14674 * fixinc/README: document the "mach" machine matching test
14675 * fixinc/fixfixes.c: Implement the #else/#endif label fix
14676 * fixinc/fixtests.c: Implement the #else/#endif label test
14677 * fixinc/inclhack.def: utilize these tests and fixes
14678 * fixinc/inclhack.sh: regen
14679 * fixinc/fixincl.x: regen
14680 * fixinc/fixincl.sh: regen
14682 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
14684 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
14687 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
14689 * gcc.1: Document exit codes.
14691 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14693 * calls.c: Include tm_p.h later, so everything we need is defined.
14694 * expr.c: Likewise.
14695 * function.c: Likewise.
14697 * except.c: Include tm_p.h.
14699 * sparc.c: Likewise.
14700 (dwarf2out_cfi_label): Don't prototype.
14701 (check_return_regs, epilogue_renumber,
14702 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
14703 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
14704 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
14705 ultra_schedule_insn): Add static prototype.
14706 (data_segment_operand, text_segment_operand): Call itself with the
14707 proper number of arguments.
14708 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
14710 * sparc.h: Move all declarations to sparc-protos.h.
14711 (SELECT_RTX_SECTION): Pass a missing MODE argument to
14714 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
14716 * config/svr4.h (text_section, ctors_section, dtors_section): Add
14718 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
14719 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
14720 ASM_OUTPUT_ASCII): Constify a char*.
14722 * sparc-protos.h: New file for sparc prototypes.
14724 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14726 * function.c (record_insns, contains): Always declare and define.
14727 (record_insns): Mark with ATTRIBUTE_UNUSED.
14729 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
14731 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
14732 to .section when outputting a .bss section to deal with multiple
14733 .bss input sections (as happens with -fdata-sections)
14734 Also output %progbits, not @progbits so the assembler doesn't treat as
14736 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
14738 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
14739 thumb parts even when building with non-thumb CPUs, by forcing
14742 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
14744 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
14745 (movdf_const_intreg_sp64): Similarly.
14747 * local-alloc.c (update_equiv_regs): Check the correct insn
14748 for pre-existing REG_EQUIV notes.
14750 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
14752 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
14753 block reached by a branch if we're not going to actually process
14756 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
14758 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
14759 a local extern function declaration.
14761 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
14763 * i386.c (ix86_expand_prologue): Properly wrap USE around
14764 reg for CALL_INSN_FUNCTION_USAGE.
14766 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
14768 * config/mips/mips.md (movdf_internal1a): Allow floating-point
14769 move between GP_REGs.
14771 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
14773 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
14774 the mode size when finding out if an offset is legal.
14776 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
14778 * basic-block.h (PROP_*): Move constants from ...
14779 * flow.c: ... here.
14780 (compute_bb_for_insn): Free the array before reallocating.
14781 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
14782 (allocate_reg_life_data): Reset all reg variables collected by
14784 (get_block_head_tail): Don't convert from bb to block.
14785 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
14786 (find_insn_reg_weight): Take block not bb.
14787 (schedule_block): Don't set block num for moved insns.
14788 (schedule_region): Don't update_life_info or find_insn_reg_weight.
14789 (schedule_insns): Do it here instead.
14790 * combine.c (combine_instructions): Invoke compute_bb_for_insn
14791 before update_life_info.
14792 * recog.c (split_all_insns, peephole2_optimize): Update for
14793 new arg to update_life_info.
14794 * rtlanal.c (remove_note): Cope with NULL note.
14795 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
14798 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
14800 * jump.c (jump_optimize_1): More accurately detect casesi insns.
14802 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
14803 block records so that merge_blocks_nomove will clean up correctly.
14804 (split_edge): Handle casesi insns.
14806 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
14808 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
14810 * pa.md (call, call_value): Do not emit a blockage after restoring
14813 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
14815 * c-typeck.c (c_expand_asm_operands): Fix typo.
14817 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14819 * arm.c (fpu_rhs_operand): Verify modes.
14820 (fpu_add_operand): Likewise.
14821 (di_operand): Likewise.
14822 (soft_df_operand): Likewise.
14824 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
14826 * arm.c (arm_return_in_memory): APCS rules state that the elements
14827 of a structure returned in a register must be 'integer-like'.
14829 1999-10-19 Bruce Korb <autogen@linuxbox.com>
14831 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
14832 in the source tree when the generated targets are out of date
14833 * fixinc/genfixes: Alter it to run individual fixes for make.
14834 * fixinc/README: rewrite
14835 * fixinc/inclhack.def: moved initial comments to README
14837 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
14839 * toplev.c (main): Do not generate an error message if an
14840 unrecognised command line switch is recognisable by another
14841 language. If extra_warnings are enabled, then generate a
14842 warning message instead.
14844 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
14846 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
14847 (insert_pack_attributes): Delete prototype.
14849 * c-pragma.c (default_alignment): New static variable.
14850 (push_alignment): Initialize to current effective alignment.
14851 (pop_alignment): Use to set new alignment.
14852 (insert_pack_attributes): Delete function.
14853 (handle_pragma_token): Set default_alignment as well each time
14854 a #pragma pack(<n>) is encountered.
14856 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
14858 * reg-stack.c (stack_result): Aggregates are not returned in
14861 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
14863 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
14865 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
14867 * basic-block.h (set_block_num): Declare.
14868 * flow.c (update_life_info): Don't call compute_bb_for_insn
14869 or free_basic_block_vars.
14870 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
14871 (insn_orig_block): Remove.
14872 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
14873 (schedule_block): Keep BLOCK_NUM up-to-date.
14874 (schedule_insns): Use compute_bb_for_insn.
14875 * recog.c (split_all_insns): Likewise.
14876 (peephole2_optimize): Likewise.
14878 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
14880 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
14881 if the pic register is used.
14883 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14885 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
14886 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
14887 if that tests TREE_PERMANENT.
14889 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
14891 * cse.c (invalidate_for_call): Do not remove memory references from
14892 the table here. It's handled elsewhere.
14894 * haifa-sched.c (add_dependence): Protect references to the
14895 true dependency cache with #ifdef INSN_SCHEDULING.
14896 (remove_dependence): Similarly.
14898 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
14899 to the cfg code that this is a return instruction.
14900 * mn10300.md (return_internal): Similarly.
14902 * combine.c (get_last_value): If the last set of a register
14903 is after subst_low_cuid, then we can not use it to determine
14904 the register's last value.
14906 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
14908 * Makefile.in: Back out previous change.
14910 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
14912 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
14914 * haifa-sched.c (add_dependence): Only check/update the cache
14916 (remove_dependence): Likewise.
14917 (schedule_insns): Only create the true_dependency_cache if the
14918 average number of instructions in a basic block is very large.
14920 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
14922 * Makefile.in (ggc-common.o): Depend on genrtl.h.
14923 (ggc-simple.o): Likewise.
14924 (ggc-page.o): Likewise.
14926 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
14928 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
14929 Prototype for exported functions.
14930 (pre_lcm, pre_rev_lcm): Remove prototypes.
14931 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
14932 (compute_available): Move to lcm.c, and change parameter order.
14933 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
14934 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
14935 (gcse_main): No longer call compute_preds_succs. Rebuild the
14936 set table after reach pre pass.
14937 (pre_insert_map, pre_delete_map, edge_list): New.
14938 (alloc_pre_mem): Allocate edge vectors.
14939 (free_pre_mem): Delete edge vectors.
14940 (compute_pre_data): Call new edge based lcm routines.
14941 (process_insert_insn): New function.
14942 (insert_insn_end_bb): Use it.
14943 (pre_edge_insert): New function.
14944 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
14946 (pre_insert_copies): Revamp using new edge based lcm outputs.
14947 (pre_delete): Likewise.
14948 (one_pre_gcse_pass): Insert & remove fake edges to the exit
14950 (compute_code_hoist_vbeinout): New new edge based routines.
14951 * lcm.c: Remove all the old LCM functions. Replace with new ones
14952 that work with the new cfg datastructures and work with edges
14955 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14957 * reload.h (struct reload): Add new fields "mode" and "nregs".
14958 * reload1.c: Change all occurrences of reload_mode and reload_nregs
14959 to reference the "mode" and "nregs" field within struct reload.
14961 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
14963 * haifa-sched.c (true_dependency_cache): New.
14964 (add_dependence): Use the true dependency cache to avoid expensive
14965 walks down the LOG_LINKS dependency list. Add entries to the
14966 cache as necessary.
14967 (remove_dependence): Remove entries from the true dependency cache
14969 (schedule_insns): Allocate and initialize and free the true
14972 * haifa-sched.c (schedule_insns): Do not remove inter-block
14973 dependencies anymore.
14975 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
14977 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
14978 * i386/t-winnt: Likewise.
14980 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
14982 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
14984 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
14986 * Makefile.in (LANGUAGES): Omit "proto".
14987 (clean): Remove stale comment about removing unprotoize.c.
14989 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14991 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
14992 using arithmetic on void pointers.
14994 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
14996 * haifa-sched.c (compute_block_forward_dependencies): Only check
14997 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
14999 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
15001 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
15002 (expr_equiv_p): Reject memories with different alias sets.
15004 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
15006 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
15007 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
15008 (f_options): Add "bounded-pointers" and "bounds-check" entries.
15009 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
15010 (lang_init): Set default for flag_bounds_check if still "unspecified".
15012 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15014 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
15016 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15018 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
15021 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15023 * config/c4x/c4x.md (*db_noclobber,
15024 *decrement_and_branch_until_zero_noclobber): New patterns and
15025 associated splitters.
15027 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15029 * config/c4x/c4x.md (parallel instruction patterns): Rework
15030 constraints to keep reload happy.
15032 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15034 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
15035 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
15036 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
15037 Add new patterns and associated post-reload splitters.
15039 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15041 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
15043 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15045 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
15047 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
15049 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15051 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
15054 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
15056 * pa.c (move_operand): Rely on memory_address_p to determine the
15057 validity of non-indexed memory addresses.
15058 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
15059 operand in DFmode and SFmode when generating PA2.0 code.
15061 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
15063 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
15065 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
15067 * mips.c (function_prologue): Fix argument types.
15068 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
15069 (casesi_internal): Write to the scratch register.
15071 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
15073 * cppexp.c (cpp_parse_escape): Make static. Change second arg
15075 (parse_charconst): Delete unnecessary cast when calling
15077 (cpplib.h): Kill prototype of cpp_parse_escape.
15079 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
15081 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
15082 * unroll.c (unroll_loop): Cast return value of alloca.
15083 * i370/i370.c: Include function.h and toplev.h.
15084 (i370_label_scan): Remove c++ commented abort.
15085 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
15086 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
15087 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
15088 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
15090 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
15092 * config/t-freebsd: Do not override USER_H.
15093 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
15095 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
15096 Mumit Khan <khan@xraylith.wisc.edu>
15098 * c-parse.in (component_decl): Support anonymous struct/union.
15100 * c-parse.y: Regenerate.
15101 * c-parse.c: Likewise.
15102 * objc/objc-parse.y: Likewise.
15103 * objc/objc-parse.c: Likewise.
15104 * c-decl.c (finish_struct): Don't sort the fields.
15105 (field_decl_cmp): Delete unused function.
15107 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
15109 * sparc.md (movsf_const_intreg): Revert last constraint change.
15110 (movdf_const_intreg_sp32): Likewise.
15112 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
15114 * cse.c: Include hashtab.h instead of splay-tree.h
15115 (struct cse_reg_info): No longer use variant union. Add new
15116 field "regno". All references changed to avoid union.
15117 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
15118 (free_cse_reg_info): Remove.
15119 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
15120 (get_cse_reg_info): Revamp to use expandable hash tables instead
15121 of splay trees. Initialize new fields in cse_reg_info structure.
15122 (new_basic_block): Similarly.
15124 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
15126 * genrecog.c (message_with_line): Prototype.
15127 (validate_pattern): Pass along the set for the dest, not a flag.
15128 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
15129 Check for PC/CC0 as sources.
15130 (nodes_identical): Check for children position match before
15131 allowing the combination.
15133 * rtl.c (read_rtx): Track line number across \\\n.
15135 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
15137 * mips.h (SPECIAL_MODE_PREDICATES): New.
15138 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
15139 (movdi+1, movsi+1): Add output reload constraint.
15140 (casesi_internal): Likewise. Fix commentary.
15141 (return_internal): Use pmode_register_operand.
15143 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
15145 * 1750a.md (movstrqi): Add missing output reload constraint.
15146 (call_value): Likewise.
15147 * a29k.md (cpxxx patterns): Add missing match_operator mode.
15148 (jmpfdec): Add missing inout reload constraint.
15149 * elxsi.md (addsi patterns): Add missing output reload constraint.
15150 (move from sp): Use @ alternates.
15151 (call_value): No constraint on output.
15152 * fr30.md (movsi_pop): Add missing output reload constraint.
15153 (movsf_constant_store): Likewise.
15154 (splits): Remove constraints.
15155 (subsi3): Add missing mode.
15156 * i370.md (cmpstrsi+1): Add missing output reload constraint.
15157 (call_value): Likewise.
15158 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
15159 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
15160 * m32r.md (movsicc_internal): Add output reload constraint.
15161 (movstrsi_internal): Add inout reload constraints.
15162 * m88k.h (reg_names): Don't declare.
15163 (SPECIAL_MODE_PREDICATES): New.
15164 * m88k.md (*): Use register_operand not reg_or_0_operand
15166 * mn10200.h (PREDICATE_CODES): New.
15167 * ns32k.md (ffs pattern): Add output reload constraint.
15168 * pdp11.md (sob pattern): Add inout reload constraint.
15169 * sh.md (splits): Remove constraints.
15170 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
15171 * v850.md (pattern_is_ok_for_epilogue): Likewise.
15172 * vax.md (jgequ pattern): Add inout reload constraint.
15174 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
15176 * configure.in (djgpp): Revert previous patch.
15177 * configure: Rebuit.
15178 * config/i386/djgpp.h: Revert previous patch.
15180 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
15182 * fixinc/inclhack.def: Restore patch lost during last merge of
15183 "no_bogosity" branch.
15184 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
15186 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
15188 * fixincludes: Add a HPUX 11 fix for inttypes.h.
15189 * fixinc/inclhack.def: Same.
15190 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
15192 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
15194 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
15195 as the base of a PLUS.
15197 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15199 * config/c4x/c4x.md: Define mode for remaining unspec operators.
15200 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
15202 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
15204 * pa.md (post_stw+1): Use pmode_register_operand.
15205 (dcacheflush, icacheflush): Likewise.
15207 * i386.md (movstricthi_1): Allow r/r.
15209 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
15211 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
15212 to (not (and (arg0) (arg1))). Similary for and.
15214 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
15215 fallthrough to associate code.
15216 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
15219 * combine.c (simplify_logical): Convert XOR to IOR if operands have
15220 no bits in common; remove XOR to ROTATE conversion.
15222 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15224 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
15226 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15228 * config/c4x/c4x.c (dst_operand): New.
15229 (PREDICATE_CODES): Update.
15230 * config/c4x/c4x.h (dst_operand): Declare it.
15231 * config/c4x/c4x.md: Define mode for each unspec usage.
15232 (move patterns): Use dst_operand predicate instead of src_operand.
15233 (movqi_update, movqf_update): Delete.
15235 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
15237 * recog.c (pmode_register_operand): New.
15238 * recog.h: Declare it.
15239 * genrecog.c (pred_codes): Likewise.
15240 (special_mode_pred_table): Likewise.
15241 (validate_pattern): Don't warn no mode for address_operand.
15243 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
15244 if the operand is not insn-like.
15246 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
15247 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
15249 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
15251 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
15253 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
15254 instead of general_operand in a SET_DEST. Use const_double_operand
15255 instead of an explicit test against CONST_DOUBLE.
15256 (movsf_const_lo): Add missing register mode.
15257 (goto_handler_and_restore): Add auxiliary test for Pmode.
15258 (flush): Adjust to use address_operand.
15259 (return_sf_no_fpu): Add missing output constraint.
15261 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
15263 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
15264 for call return value.
15265 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
15267 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
15269 * toplev.c (main): Only warn about options for other languages.
15270 * collect2.c (main): Pass -w to sub-gcc.
15272 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
15274 * flow.c (propagate_block): Add call-clobbered registers to
15277 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
15278 zapping mem_set_list.
15279 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
15280 (mark_set_1, mark_used_regs): Likewise.
15282 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
15284 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
15286 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15288 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
15289 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
15290 options. Also add a new item "C-only Warning Options" to the
15293 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
15295 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
15296 from multiple calls.
15298 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
15300 * i386.md (call value patterns): Move to the end of the file.
15301 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
15303 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
15305 * configure.in (djgpp configuration): Define extra_objects..
15306 * configure: Rebuilt.
15307 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
15308 (DTORS_SECTION_ASM_OP): Define.
15309 (INIT_SECTION_ASM_OP): Define.
15310 (FINI_SECTION_ASM_OP): Define.
15311 (DATA_SECTION_ASM_OP): Define.
15312 (TEXT_SECTION_ASM_OP): Define.
15313 (EH_FRAME_SECTION_ASM_OP): Define.
15314 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
15315 (STARTFILE_SPEC): Add crtbegin.o.
15316 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
15317 to here from LINK_COMMAND_SPEC.
15318 (DO_GLOBAL_CTORS_BODY): Define.
15319 (CRTSTUFF_USE_FINI_SECTION): Define
15320 (HAS_INIT_SECTION): Delete.
15322 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
15324 * Makefile.in (all.cross): Depend on xcpp$(exeext).
15326 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
15328 * pa.h (PREDICATE_CODES): New.
15330 * genrecog.c (validate_pattern): Condense the destination
15331 non-lvalue message.
15333 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
15335 * alpha.md (call-1): Supply missing mode for operator.
15336 (*): Add missing output reload constraints. Remove constraints
15337 from define_splits.
15339 * i386.h (SPECIAL_MODE_PREDICATES): New.
15340 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
15341 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
15342 (addsi_lea_3): Add missing mode for op 3.
15343 (prologue_set_got, prologue_get_pc): Add missing modes.
15344 (*) Add missing output reload constraints.
15346 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
15348 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
15349 check for member bit-size overflow and use var_size if it occurs.
15350 (layout_record): Use bitsize_int() to define the type size in bits.
15351 Likewise for computation and assignment to DECL_FIELD_BITPOS.
15352 (layout_decl): Likewise when assigning to DECL_SIZE.
15354 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
15356 * genrecog.c (validate_pattern): Typo last change. Verify
15357 that output operands have output reloads.
15359 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
15361 * genrecog.c (special_mode_pred_table): New.
15362 (NUM_SPECIAL_MODE_PREDS): New.
15363 (find_operand): New.
15364 (validate_pattern): New argument `insn'. Warn for assignment to
15365 any predicate accepting non-lvalues. Conditionaly warn for
15366 match_operand without a mode. Try much harder to match source
15367 and destination modes on a set.
15368 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
15370 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
15372 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
15374 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
15376 * combine.c (simplify_logical): Recognize xor pattern that encodes
15379 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15381 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
15384 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
15386 * ggc-page.c (MAP_FAILED): Provide default.
15388 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
15390 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
15391 * sparc.h (PREDICATE_CODES): Update.
15393 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
15395 * alpha.c (some_ni_operand): New.
15396 * alpha-protos.h: Declare it.
15397 * alpha.h (PREDICATE_CODES): Update.
15398 * alpha.md (sXaddq reload insns): Use some_ni_operand
15399 for SET_DEST instead of some_operand.
15401 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
15402 Jim Wilson <wilson@cygnus.com>
15404 * genrecog.c (maybe_both_true_2): Don't compare modes of
15406 (process_tree): Elide peephole2_insns. Invoke simplify_tests
15407 after find_afterward.
15408 (debug_decision_1): Dump next and afterward codes.
15410 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
15412 * rtl.c (dump_and_abort): Remove.
15413 (fatal_with_file_and_line): New.
15414 (fatal_expected_char): New.
15415 (read_rtx_lineno, read_rtx_filename): New.
15416 (read_skip_spaces): Track line number.
15417 (read_name): Use fatal_with_file_and_line.
15418 (read_rtx): Use fatal_expected_char. Track line number.
15419 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
15421 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
15422 if it isn't a CODE_LABEL.
15424 * genattr.c (main): Set read_rtx_filename.
15425 * genattrtab.c (main): Likewise.
15426 * gencodes.c (main): Likewise.
15427 * genconfig.c (main): Likewise.
15428 * genemit.c (main): Likewise.
15429 * genextract.c (main): Likewise.
15430 * genflags.c (main): Likewise.
15431 * genopinit.c (main): Likewise.
15432 * genoutput.c (main): Likewise.
15433 * genpeep.c (main): Likewise.
15435 * genrecog.c (decision_test.u.insn): Add `lineno'.
15436 (pattern_lineno, error_count): New variables.
15437 (message_with_line): New.
15438 (add_to_sequence): Break out checking code to ...
15439 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
15440 (merge_insn): Use message_with_line.
15441 (make_insn_sequence): Use validate_pattern. Record insn lineno.
15442 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
15444 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15446 * expr.c (store_constructor): Clear union if constructor is empty.
15448 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
15450 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
15451 Add !endian checks. Change %{...} to %(...).
15453 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
15455 * i386.md (*addsi3_cc): Renamed from addcsi3.
15456 (*addsi3_carry): Renamed from addxsi3.
15457 (*subsi3_cc): Renamed from subcsi3.
15458 (*subsi3_carry): Renamed from subxsi3.
15459 (*xorqi_cc_1): Renamed from xorcqi_1.
15460 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
15461 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
15463 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
15465 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
15466 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
15468 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
15470 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
15471 climb up the chain of insns.
15473 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
15475 * genrecog.c (write_subroutine): Careful for null trees.
15476 (process_tree): Don't elide empty functions.
15478 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
15480 * Makefile.in (genrtl.o): Depend on ggc.h.
15481 * configure.in (valloc): Probe for it.
15482 (with-gc): Use ggc-page if valloc present.
15483 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
15484 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
15485 (ggc_alloc_string): Moved from ggc-page.c.
15486 * ggc-none.c (ggc_alloc_obj): New.
15487 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
15488 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
15489 (struct globals): Likewise for dev_zero_fd.
15490 (init_ggc): Likewise for it's initialization.
15491 (ggc_allocated_p): Move careful dereference from ...
15492 (ggc_lookup_page_table): ... here. Delete.
15493 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
15494 (alloc_anon): Use valloc if no mmap.
15495 (release_pages): Use free if using valloc.
15496 (ggc_alloc_obj): Renamed from alloc_obj.
15497 (ggc_set_mark): Renamed from mark_obj.
15498 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
15499 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
15500 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
15501 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
15502 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
15503 (ggc_collect): Use fp printing instead of our own rounding.
15504 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
15505 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
15506 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
15507 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
15508 (struct ggc_string, struct ggc_any): Delete.
15509 (offsetof): Provide default definition.
15510 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
15512 (struct ggc_mem): New, from corpse of ggc_any.
15513 (struct ggc_status): Delete.
15514 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
15515 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
15516 (n_strings_collected, n_anys_collected): Delete.
15517 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
15518 (ggc_alloc_string, ggc_alloc): Delete.
15519 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
15520 (ggc_free_string, ggc_free_any): Delete.
15521 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
15522 (ggc_compare_addresses, ggc_mark_string): Delete.
15523 (ggc_mark_string_if_gcable, ggc_mark): Delete.
15524 (search_data): Delete.
15525 (struct globals): New.
15526 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
15527 (tree_insert, tree_lookup): New.
15528 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
15529 (clear_marks, sweep_objs): New.
15530 (ggc_collect): Gut. Use clear_marks, sweep_objs.
15531 (init_ggc): Set allocated_last_gc.
15532 (ggc_push_context): Gut. Use G.context.
15533 (ggc_pop_context): Likewise.
15534 (ggc_pop_context_1): New.
15535 (debug_ggc_tree): New.
15536 (debug_ggc_balance, tally_leaves): New.
15537 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
15538 (ggc_mark_string_if_gcable): Remove decl.
15539 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
15540 (ggc_mark_rtvec_children): New.
15541 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
15542 (ggc_mark_if_gcable): New decl.
15543 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
15544 (ggc_alloc_tree, ggc_alloc): Likewise.
15545 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
15546 (ggc_alloc_obj): New decl.
15547 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
15548 (ggc_alloc_tree, ggc_alloc): Likewise.
15549 (ggc_set_mark): New decl.
15550 * rtl.h (struct rtx_def): Remove gc_mark.
15551 (struct rtvec_def): Likewise.
15552 * tree.h (struct tree_common): Likewise.
15554 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
15556 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
15557 float_format and thread_file definitions.
15558 * configure: Rebuilt.
15560 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
15562 * extend.texi (Function Names): Document types of function names.
15564 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15566 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
15567 an earlyclobbered output conflict with RELOAD_INPUT reloads.
15569 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15571 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
15573 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15575 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
15577 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
15579 * collect2.c (main): Do prelimnary link on AIX if rflag.
15581 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
15583 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
15584 __CTOR_LIST__ in opposite order, which is the correct order for sorted
15586 (__do_global_dtors): similarly for __DTOR_LIST__.
15588 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15589 Diego Novillo <dnovillo@cygnus.com>
15591 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
15594 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
15596 * fixincl/*: Merged "no_bogosity" branch
15597 * fixincl/fixlib.h: protect against doubly defining t_bool
15598 * fixincl/server.h: protect against doubly defining t_bool
15600 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
15602 * genoutput.c: Include toplev.h.
15604 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
15606 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
15608 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
15609 * configure: Regenerate.
15611 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
15613 * gcse.c (delete_null_pointer_checks): Returns void.
15615 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15617 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
15618 * emit-rtl.c (copy_insn_1): Likewise.
15620 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
15622 * config/mips/mips.c (mips_build_va_list): Correct
15623 TREE_CHAIN setting when hard-float.
15624 (mips_va_start): Use corrected setting.
15625 (mips_va_arg): Likewise. Also pass a tree to build of
15626 POSTINCREMENT_EXPR rather than a naked 'int'.
15628 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
15630 * ggc.h (ggc_push_context): Fix comment.
15631 (ggc_pop_context): Likewise.
15632 (mark_string_if_gcable): Likewise.
15633 * ggc-common.c (ggc_mark_rtx_children): Use
15634 ggc_mark_string_if_gcable.
15635 * ggc-page.c (ggc_lookup_page_table): New function.
15636 (ggc_allocated_p): Likewise.
15637 (mark_obj): Fix formatting.
15638 (ggc_mark_string_if_gcable): New function.
15639 * ggc-simple.c (ggc_allocated_strings): New variable.
15640 (ggc_strings_used): Likewise.
15641 (ggc_compare_addresses): New function.
15642 (ggc_pop_context): Pop the `any' memory too.
15643 (ggc_mark_string_if_gcable): New function.
15644 (ggc_collect): Initialize and tear down ggc_allocated_strings.
15646 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
15648 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
15649 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
15650 * rs6000.c (expand_block_move): Match movstrsi_?reg register
15653 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
15655 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
15656 (sched_reg_live_length, sched_reg_basic_block): Delete.
15657 (current_block_num, bb_live_regs, old_live_regs): Delete.
15658 (dead_notes, struct sometimes): Delete.
15659 (sched_note_set, birthing_insn_p): Delete.
15660 (adjust_priority): Gut useless reg lifetime code.
15661 (create_reg_dead_note, attach_deaths): Delete.
15662 (attach_deaths_insn, new_sometimes_live): Delete.
15663 (finish_sometimes_live): Delete.
15664 (find_pre_sched_live, find_post_sched_live): Delete.
15665 (update_reg_usage): Delete.
15666 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
15667 (schedule_insns): Delete reg lifetime code.
15668 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
15669 (unlink_other_notes): Adjust REG_NOTE commentary.
15670 (reemit_notes): Use REG_SAVE_NOTE.
15671 (schedule_block): Likewise.
15672 (schedule_region): Allocate bitmap of blocks in region. Use
15673 count_or_remove_death_notes. Use update_life_info.
15675 * rtl.h (REG_SAVE_NOTE): New.
15676 * rtl.c (reg_note_name): Update.
15678 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
15680 * combine.c (refresh_blocks, need_refresh): New.
15681 (combine_instructions): Allocate refresh_blocks. Invoke
15682 update_life_info if needed.
15683 (distribute_notes): Mark refresh_blocks instead of installing
15685 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
15686 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
15688 * Makefile.in (recog.o): Depend on basic-block.h.
15690 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
15692 * genrecog.c (add_to_sequence): Thinko last change: delete
15693 shadowing allow_const_int variable.
15695 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15697 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
15698 __GNUC__ and __GNUC_MINOR__.
15700 * gansidecl.h: Likewise.
15706 * toplev.h: Likewise.
15708 * tree.c: Likewise.
15710 * tree.h: Likewise.
15712 * varray.c: Likewise.
15714 * varray.h: Likewise.
15716 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15718 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
15719 use one before a jump table.
15721 * rtl.def (ADDRESS): Change documentation to match reality.
15722 * md.texi: Don't document it.
15723 * gmicro.md (load address pattern): Use 'p' constraint, delete use
15726 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
15728 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
15730 * genrecog.c (add_to_sequence): Move allow_const_int test outside
15731 known predicate block; default allow_const_int true.
15732 (debug_decision_list): New.
15734 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
15736 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
15738 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
15740 * gcse.c (gcse_main): Avoid global optimizations if we have a
15741 large number of basic blocks and the ratio of edges to blocks
15743 (delete_null_pointer_checks): Likewise.
15745 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
15747 * c-common.c (check_format_info): Warn if format string isn't a
15750 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
15752 * configure.in (arm*-*-*): Don't let autoconf remove brackets
15753 * configure: regenerate
15755 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
15757 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
15758 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
15759 (peepholes): Re-enable.
15761 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
15763 * Makefile.in (flow.o): Depend on TREE_H.
15764 * basic-block.h (REG_SET_EQUAL_P): New.
15765 (XOR_REG_SET): New.
15766 (n_edges): Declare.
15767 (free_regset_vector): Remove declaration.
15768 (flow_delete_insn_chain): Declare.
15769 (enum update_life_extent): New.
15770 (update_life_info, count_or_remove_death_notes): Declare.
15771 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
15772 Verify register live at bb->global_live_at_start before adding USE.
15773 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
15774 (CLEAN_ALLOCA): New.
15776 (PROP_*): New flags.
15777 (find_basic_blocks_1): Use alloc_EXPR_LIST.
15778 (clear_edges): Zero n_edges.
15779 (make_edge): Increment n_edges.
15780 (split_edge): Don't allocate bb->local_set. Increment n_edges.
15781 (flow_delete_insn_chain): Export.
15782 (delete_block): Decrement n_edges.
15783 (merge_blocks_nomove): Likewise.
15784 (life_analysis): Give life_analysis_1 PROP flags.
15785 (verify_wide_reg_1, verify_wide_reg): New.
15786 (verify_local_live_at_start): New.
15787 (update_life_info): Rewrite to call into propogate_block.
15789 (mark_regs_live_at_end): After reload, if epilogue as rtl,
15790 always mark stack pointer. Conditionally mark PIC register.
15791 After reload, mark call-saved registers, return regsiters.
15792 (life_analysis_1): Accept PROP flags not remove_dead_code.
15793 Call mark_regs_live_at_end before zeroing regs_ever_live.
15794 Use calculate_global_regs_live. Copy global_live_at_end before
15795 calling final propagate_block. Zero reg_next_use on exit.
15796 (calculate_global_regs_live): New.
15797 (allocate_bb_life_data): Don't allocate bb->local_set.
15798 (init_regset_vector, free_regset_vector): Remove.
15799 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
15800 Test flags before every operation. Warn if prologue/epilogue insn
15801 would have been deleted.
15802 (mark_set_regs, mark_set_1): Accept and use FLAGS.
15803 Use alloc_EXPR_LIST.
15804 (mark_used_regs): Accept and use FLAGS, not FINAL.
15805 Remove special handling for RETURN.
15806 (try_pre_increment): Use alloc_EXPR_LIST.
15807 (dump_flow_info): Dump n_edges.
15808 (unlink_insn_chain, split_hard_reg_notes): Remove.
15809 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
15810 (find_insn_with_note, new_insn_dead_notes): Remove.
15811 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
15812 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
15813 (replace_insns): Remove.
15814 (count_or_remove_death_notes): New.
15815 (verify_flow_info): Abort on error after all checks.
15816 (remove_edge): Decrement n_edges.
15817 (remove_fake_edges): Tweek format.
15818 * haifa-sched.c (schedule_insns): Use split_all_insns.
15819 * output.h (update_life_info): Remove declaration.
15820 * recog.c (split_all_insns): From the corpse of split_block_insns,
15821 do the whole function block by block. Use update_life_info.
15822 (recog_last_allowed_insn): New.
15823 (recog_next_insn): Mind it.
15824 (peephole2_optimize): Set it. Walk backwards through blocks.
15825 Use update_life_info.
15826 * rtl.h (update_flow_info, replace_insns): Remove declarations.
15827 (split_all_insns): Declare.
15828 * toplev.c (rest_of_compilation): Thread prologue before flow2.
15829 Use split_all_insns.
15831 * i386.md (or -1 peep2s): Disable.
15833 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
15835 * config/mips/mips.md (movstrsi+[123]) : Combine these into
15836 a single pattern. Scrap the 'd' versions as unnecessary.
15838 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
15839 tablejump_mips162,tablejump_internal4): The operands to a
15840 label_ref must be VOIDmode.
15842 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15844 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
15846 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
15848 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
15850 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
15852 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
15853 cache every function if ggc_p.
15855 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15857 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
15858 instead of copy_rtx. Accept sequences that contain asm statements.
15859 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
15860 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
15861 orig_asm_operands_vector, copy_asm_operands_vector,
15862 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
15864 * rtl.h (copy_insn, copy_insn_1): Declare.
15866 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15868 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
15870 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
15871 arguments to `current_file_function_operand'.
15873 * genrecog.c: Include hard-reg-set.h and resource.h in the
15874 generated output file.
15876 * real.c: Include tm_p.h.
15878 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15880 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
15883 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
15885 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
15886 before the fctiwz insn.
15888 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15889 Mark Mitchell <mark@codesourcery.com>
15891 * tree.c (make_lang_type_fn): New funtion pointer.
15892 (make_lang_type): Call it.
15893 * tree.h (make_lang_type): Declare.
15894 (make_lang_type_fn): Likewise.
15895 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
15897 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
15899 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
15900 make sure that HIGH instructions are copied into BASE_REGS.
15902 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
15904 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
15906 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
15908 * c-decl.c (finish_struct): Use simpler method of
15909 removing elements of a singly-linked list.
15911 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
15913 * alpha.md (peephole2's): Comment out peephole2's that generate
15916 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
15918 * genrecog.c (add_to_sequence): Disable mode check for
15921 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15923 * ggc-simple.c (init_ggc): Set empty_string.
15925 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
15927 * configure.in: Detect mmap. Add --with-gc=foo to select
15928 garbage collector; default to page if mmap available.
15929 * Makefile.in (GGC): Substitute.
15931 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
15933 * c-decl.c (ggc_p): Enable.
15935 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15937 * flow.c (verify_flow_info): Make it extern & unconditionally define.
15939 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
15941 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
15942 string for little-endian-data.
15944 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
15946 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
15947 case somebody tries to compile --enable-checking code with gcc
15950 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
15952 * genrecog.c (add_to_sequence): Verify operand to label_ref is
15955 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
15957 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
15958 * jump.c (jump_optimize_1): Document why.
15960 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15962 * collect2.c (scan_prog_file, scan_libraries): Prototype function
15963 pointers and casts for `int_handler' and `quit_handler'.
15965 * flow.c (verify_flow_info, split_hard_reg_notes,
15966 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
15967 remove_edge, remove_fake_successors): Add static prototypes.
15968 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
15969 (mark_set_1): Initialize variable `regno'.
15970 (unlink_insn_chain): Likewise for variable `curr'.
15971 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
15973 * loop.c (strength_reduce): Initialize variable
15974 `unrolled_insn_copies'.
15975 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
15976 prototypes. Change these functions to take const PTR parameters
15977 to avoid prototype conflict when used as the comparson argument
15979 (check_dbra_loop): Initialize variable `comparison_val'.
15981 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
15982 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
15983 (find_valid_class): Initialize variable `best_class'.
15984 (find_reloads): Call memcpy, not bcopy.
15986 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
15987 (hard_reg_use_compare): Don't needlessly cast away const.
15988 (reload_reg_class_lower): Likewise.
15989 (choose_reload_regs): Initialize variable `regno'.
15991 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
15993 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
15995 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
15997 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
15998 ({,d}discard): Add forward declarations. Declare parameter as
16000 (main_without_main): Explicitly declare return type to be int.
16001 (memcpy): Properly declare.
16003 * libgcc2.c (toplevel): If inhibit_libc is defined and not
16004 building the trampoline support, declare malloc, free, and
16006 (__clear_cache): Mark arguments as potentially unused.
16008 * frame.c (toplevel): If inhibit_libc is defined, declare
16011 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
16013 * flow.c (make_edge): Accept an optional 2D bitmap in which
16014 to cache edge existence. Update all callers.
16015 (make_label_edge, make_eh_edge): Pass through the edge cache.
16016 (make_edges): Provide the cache.
16018 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16020 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
16022 (local_mbtowc): Change the type of variable `i' from int to size_t.
16024 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
16025 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
16027 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
16029 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
16030 after other includes that define the appropriate types. Include
16031 tm_p.h for getting user prototypes.
16032 * ggc-callbacks.c (toplevel): Ditto.
16033 * ggc-none.c (toplevel): Ditto.
16034 * gcc-page.c (toplevel): Ditto.
16035 * ggc-simple.c (toplevel): Ditto.
16037 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
16038 Jonathan Larmour <jlarmour@cygnus.co.uk>
16040 * config/mips/mips.c (mips_move_2words): Split doubles if
16041 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
16043 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
16045 * genrecog.c (struct decision_test): New.
16046 (struct decision): Remove test-related members, sort the rest by size.
16047 (IS_SPLIT): Simplify.
16048 (new_decision, new_decision_test): New.
16049 (add_to_sequence): Use them. No special handling for args of
16051 (maybe_both_true): Renamed from not_both_true; return sense changed.
16052 (maybe_both_true_1, maybe_both_true_2): New. Broken out
16053 of maybe_both_true and adjusted for decision_test.
16054 (position_merit): Remove.
16055 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
16056 (merge_accept_insn): New, broken out of merge_trees.
16057 (merge_trees): Use them. No special case for c_test; no node
16058 splitting; use test type instead of position_merit.
16059 (factor_tests): New.
16060 (simplify_tests): New.
16061 (break_out_subroutines): Don't write code now.
16062 (find_afterward): New.
16063 (write_afterward, write_switch, write_cond): New.
16064 (write_action, is_unconditional): New.
16065 (write_node): New. Use them.
16066 (write_tree_1): Rewrite. Use the new functions above.
16067 (write_tree): Remove afterward processing.
16068 (write_subroutine): Simplify function variant emission.
16069 (write_subroutines): New.
16070 (same_codes, clear_codes): Remove.
16071 (same_modes, clear_modes): Remove.
16072 (write_header): New, broken out of main.
16073 (make_insn_sequence): Use new_decision and new_decision_test.
16074 (process_tree): New, broken out of main.
16075 (main): Adjust for merge_trees interface change.
16076 Don't #define operands in the output file.
16077 (record_insn_name): New, broken out of make_insn_sequence.
16078 (debug_decision_2, debug_decision_1, debug_decision_0): New.
16079 (debug_decision): New.
16081 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
16083 * resource.c (find_free_register): Mark class_str argument const.
16084 * resource.h: Update prototype to match.
16086 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
16087 * i386.md: Give all anonymous insns names.
16089 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
16091 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
16094 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
16096 * toplev.c (dbr_sched_time): Unconditional.
16097 (peephole2_time): New.
16098 (compile_file): Add pass numbers to all of the dump file suffixes.
16099 Dump peephole2_time. Don't dump times for non-applicable passes.
16100 (rest_of_compilation): Add pass numbers to dump file suffixes.
16101 Conditionalize calls to the scheduler.
16102 * invoke.texi: Update.
16104 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
16106 * flow.c (make_edges): Fix insn iteration.
16107 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
16108 (find_basic_blocks_1): Fix spelling mistake.
16110 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
16112 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
16113 always have side-effects. Use memset not bzero.
16114 (make_node): Likewise.
16116 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
16118 * stmt.c (expand_anon_union_decl): When any of the elements of the
16119 union is addressable, so is the entire union.
16121 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
16123 * sbitmap.c (sbitmap_ones): Don't set too many bits.
16125 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
16126 * bitmap.c (bitmap_operation): Return true iff TO changed.
16127 (bitmap_equal_p): New.
16128 (bitmap_bit_p): Tidy arithmetic.
16129 (debug_bitmap_file): Likewise.
16131 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
16133 * toplev.c (rest_of_compilation): Turn on cse_not_expected
16134 before cse2 instead of after.
16136 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
16138 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
16141 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16143 * cppinit.c (is_idchar initializer): Loosen tests to accept
16146 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
16148 * mips.md: Define conditional move patterns for floating point
16149 operands and DI mode conditions.
16151 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
16153 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
16154 always have side-effects.
16156 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
16158 * mn10200.c (asm_file_start): Fix typo.
16160 * cppinit.c (is_idchar initializer): Tighten tests for when
16161 to put the table into initialized memory.
16163 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
16164 not an array of rtunion.
16165 * gcc-page.c (ggc_alloc_rtvec): Similarly.
16166 * gcc-simple (ggc_free_rtvec): Similarly.
16168 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
16171 * mbchar.h: Add missing #endif.
16173 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
16174 (FPBIT, DPBIT): Define.
16176 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16178 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
16180 * profile.c (instrument_arcs, output_gcov_string,
16181 tablejump_entry_p): Add static prototypes.
16182 (output_gcov_string): Constify a char*.
16184 * regmove.c (replacement_quality, fixup_match_2): Add static
16187 * resource.h (reg_dead_p): Add extern prototype.
16189 * rtl.c (trim_filename): Add static prototype.
16191 * scan-decls.c (skip_to_closing_brace): Likewise.
16193 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
16194 (expand_end_case): Initialize variable `range'.
16195 (emit_case_nodes): Remove unused prototype `rtx_fn'.
16197 * varasm.c (asm_emit_uninitialised): Add static prototype.
16198 (asm_emit_uninitialised, assemble_variable): Mark parameter with
16201 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16203 * cpplib.c (if_directive_nameo): Add static prototype.
16205 * cse.c (cse_insn): Remove unused variable `p'.
16207 * except.c (create_rethrow_ref, push_entry,
16208 receive_exception_label, new_eh_region_entry, find_func_region,
16209 clear_function_eh_region, process_nestinfo): Add static prototypes.
16210 (get_reg_for_handler): Hide definition.
16211 (process_nestinfo): Initialize variable `extra_handlers'.
16213 * expr.h (expand_builtin_longjmp): Add extern prototype.
16215 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
16217 * function.c (prepare_function_start): Likewise.
16218 (pop_function_context_from): Mark parameter `context' with
16220 (push_temp_slots_for_block, flush_addressof): Hide definition.
16222 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
16223 solve_program_flow_graph, calculate_branch_probs,
16224 function_summary, main, fancy_abort): Add prototypes.
16226 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
16227 (add_hash): Constify a char*.
16229 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
16230 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
16231 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
16233 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
16235 * lists.c (free_list, zap_lists): Likewise.
16237 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16239 * alias.c (nonlocal_reference_p): Add static prototype.
16241 * bitmap.c (bitmap_element_allocate): Prototype args in function
16244 * builtins.c (stabilize_va_list): Add static prototype.
16245 (expand_builtin_va_arg): Constify a char*.
16247 * c-lex.c (getch, put_back, extend_token_buffer_to,
16248 read_line_number, token_getch, token_put_back): Add static
16251 * c-parse.gperf (hash, is_reserved_word): Likewise.
16253 * cccp.c (is_dir_separator): Likewise.
16255 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16257 * graph.h: New file to prototype functions exported by graph.c.
16259 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
16261 * graph.c: Include graph.h.
16263 * toplev.c: Likewise. Remove redundant prototypes.
16265 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
16267 * invoke.texi: Removed duplicated description for -Q.
16269 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
16271 * extend.texi: Grammar fix in __extension__ text.
16273 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
16275 * md.texi (define_peephole2): New section.
16277 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
16279 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
16280 (mov $-1 to or peepholer): Enable for pentium when optimizing for
16283 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
16285 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
16287 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
16289 * i386.md (ffs expander): Emit Pentium friendly code for
16292 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
16294 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
16296 (build1): Likewise.
16298 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16300 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
16302 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
16304 * config/m68k/m68k.c (use_return_insn): Return false if the pic
16305 register is in use.
16307 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16309 * md.texi (No Constraints): Delete section.
16310 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
16311 * final.c (final_scan_insn): We always have register constraints.
16312 * genattrtab.c: Don't include "insn-config.h".
16313 (write_attr_case): We always have register constraints.
16314 * genconfig.c (register_constraint_flag): Delete.
16315 (walk_insn_part): Don't check whether we have register constraints.
16316 (main): Don't write out "#define REGISTER_CONSTRAINTS".
16317 * genoutput.c (have_constraints): Delete.
16318 (main): Don't set it.
16319 (output_operand_data): We always have constraints.
16320 (scan_operands): Likewise.
16321 (compare_operands): Likewise.
16322 * local-alloc.c (block_alloc): We always have constraints.
16323 (requires_inout): Always compile this function.
16324 * recog.c (extract_insn): We always have constraints.
16325 (constrain_operands, reg_fits_class_p): Always compile these
16327 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
16329 (struct insn_operand_data): Likewise.
16330 * regclass.c (regclass): We always have constraints.
16331 (record_reg_classes, copy_cost, record_address_regs,
16332 auto_inc_dec_reg_p): Always compile these functions.
16333 * regmove.c (regmove_optimize): We always have constraints.
16334 * reload.c (find_reloads): Likewise.
16335 * reload1.c (reload): Likewise.
16336 (reload_cse_simplify_operands): Likewise.
16337 * i860.c (output_delay_insn): Likewise.
16339 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
16341 * iris6.h (BUILD_VA_LIST_TYPE): Define.
16343 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16345 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
16346 for the va_list record.
16348 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
16350 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
16353 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
16355 * alias.c: Include insn-flags.h.
16356 * Makefile.in (alias.o): Update.
16358 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
16360 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
16361 to LTU and GEU. Handle more cases using sbb.
16363 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
16365 * i386.md (truncatexfdf splitters): Do not use subreg.
16366 (fop XFmode patterns): Fix mode in operand testing.
16368 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
16370 * jump.c (jump_optimize_1): Amend last change to test only the
16371 form of the operand, not the insn.
16373 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
16374 not register_operand to determine when B may need preloading.
16376 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
16378 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
16379 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
16380 (call-value patterns): Move to end of file.
16381 (*): Remove mode from label_ref in (pc) context.
16382 (movstrqi): Use memory not general_operand for BLKmode operands.
16383 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
16384 to register_operand operands.
16385 (peep2 patterns): Convert from commented-out peephole patterns.
16387 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16389 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
16390 to BUILT_IN_INIT_DWARF_REG_SIZES.
16391 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
16392 Renamed from BUILT_IN_DWARF_REG_SIZE; call
16393 expand_builtin_init_dwarf_reg_sizes.
16394 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
16395 with __builtin_init_dwarf_reg_size_table.
16396 * dwarf2out.c (struct reg_size_range): Delete.
16397 (expand_builtin_init_dwarf_reg_sizes): New function.
16398 (expand_builtin_dwarf_reg_size): Delete.
16399 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
16400 (expand_builtin_dwarf_reg_size): Don't declare.
16401 * libgcc2.c (dwarf_reg_size_table_initialized): New.
16402 (dwarf_reg_size_table): New.
16403 (init_reg_size_table): New function.
16404 (copy_reg): Use dwarf_reg_size_table.
16405 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
16408 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
16410 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
16411 Correctly build argument list to constructor and destructor functions.
16413 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
16415 * c-tree.h (warn_float_equal): Declare.
16416 * c-decl.c (warn_float_equal): Define.
16417 (c_decode_option): Recognize -W[no-]float-equal.
16418 * c-typeck.c (build_binary_op): Conditionally warn
16419 about equality tests of floating point types.
16420 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
16421 * invoke.texi: Add docs for -Wfloat-equal warning.
16423 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
16425 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
16426 generating RTL directly.
16427 * mips.h (INIT_TARGET_OPTABS): Likewise.
16428 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
16430 * expr.h (init_mov_optab): Delete declaration
16432 * h8300.c (WORD_REG_USED): Update to avoid useless register
16433 saves in interrupt functions and functions which never return.
16435 * cse.c (struct set): Delete inner_dest_loc field.
16436 (cse_insn): Remove assignments to inner_dest_loc field.
16438 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
16440 * ggc-page.c: Don't include <unistd.h> etc taken care of
16441 by "system.h". Include <sys/mman.h> afterward.
16443 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
16445 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
16448 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
16450 * xcoffout.c (xcoffout_declare_function): Add documentation.
16451 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
16452 TARGET_64BIT. Compare constant to -1, not bit pattern.
16453 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
16454 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
16457 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
16459 * dwarf2out.c (add_abstract_origin_attribute): Abort if
16460 origin_die is NULL.
16461 (gen_inlined_enumeration_type_die): Do not abort if the type has
16462 not been writeen out.
16463 (gen_inlined_structure_type_die): Do not abort if the type has
16464 not been writeen out.
16465 (gen_inlined_union_type_die): Do not abort if the type has
16466 not been writeen out.
16467 (gen_tagged_type_instantiation_die): Do not abort if the type
16468 has not been written out.
16470 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16472 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
16474 * reg-stack.c (straighten_stack): Copy hard reg set with
16477 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
16479 * builtins.c (stabilize_va_list): Stabilize array type va_list
16480 to a pointer type, not the base record type.
16481 (expand_builtin_va_copy): Dereference the pointers explicitly;
16482 use the correct size for the copy.
16484 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
16485 (rs6000_va_arg): Likewise.
16487 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
16489 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
16491 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
16493 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
16495 (DECL_BUILT_IN_CLASS): Adjust accordingly.
16497 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
16499 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
16500 (init_ggc): Use it instead of a constant.
16501 (ggc_collect): Bound allocated_last_gc by it.
16503 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
16505 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
16508 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
16510 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
16511 (mips*-*-openbsd*): Let big endian configuration be a fragment.
16512 * configure: Regen.
16513 * config/mips/openbsd.h: New, OpenBSD little endian target.
16514 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
16515 * config/mips/xm-openbsd.h: New, OpenBSD host.
16517 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
16519 * config/m68k/m68k.c (output_function_prologue,
16520 output_function_epilogue): Use
16521 current_function_uses_pic_offset_table instead of regs_ever_live
16522 to decide whether to save/restore pic register.
16523 (legitimize_pic_address): Don't modify regs_ever_live any more.
16525 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
16527 * function.h (struct function): Add x_dont_save_pending_sizes_p.
16528 * stor-layout.c (variable_size): Don't add sizes to the pending
16529 sizes list if x_dont_save_pending_sizes_p is set.
16531 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
16533 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
16534 for symbolic_operand().
16535 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
16537 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16539 * combine.c (gen_rtx_combine): Add missing call to va_end().
16541 * final.c (asm_fprintf): Likewise.
16543 * genattrtab.c (attr_rtx): Likewise.
16545 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
16547 * cse.c: Update comments.
16548 (cse_insn): When converting a conditional/computed jump into
16549 an unconditional jump, always make sure a BARRIER immediately
16550 follows the converted jump. Do not delete unreachable code.
16551 (cse_basic_block): Do not delete unreachable code.
16552 * toplev.c (rest_of_compilation): Move call to
16553 delete_trivially_dead_insns after the conditional call to
16556 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16558 * collect2.c (make_temp_file): Don't prototype.
16560 * gcc.c (make_temp_file): Likewise.
16562 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
16564 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
16566 * varasm.c (asm_emit_uninitialised): New function: Generate
16567 the assembler statements necessary to declare an uninitialised
16569 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
16571 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
16572 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
16574 (assemble_variable): Use asm_emit_uninitialised to emit an
16575 uninitialised variable.
16577 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
16579 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
16580 constant on a 64 bit host. Patch supplied by Geoffrey Keating
16581 <geoffk@cygnus.com>.
16583 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16585 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
16586 * c-common.h (builtin_function): Don't declare.
16588 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
16590 (pushdecl): Likewise.
16591 (finish_decl): Likewise.
16592 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
16593 int. All callers changed.
16594 Set the builtin's DECL_BUILT_IN_CLASS.
16595 * tree.h (enum built_in_class): New.
16596 (enum built_in_function): Delete NOT_BUILT_IN.
16597 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
16599 (DECL_SET_FUNCTION_CODE): Likewise.
16600 (DECL_BUILT_IN_CLASS): New macro.
16601 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
16602 (struct tree_decl): Split builtin function code field into a
16604 (builtin_function): Declare.
16606 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
16608 * optabs.c (init_traps): Fix typo in last change.
16610 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
16612 * toplev.c (rest_of_decl_compilation): Update comment.
16614 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
16616 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
16617 in .sbss if appropriate.
16618 (EXTRA_SECTION_FUNCTIONS): Add sbss.
16619 (SBSS_SECTION_ASM_OP): New macro.
16620 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
16621 (EXTRA_SECTIONS): Add in_sbss.
16622 * config/mips/mips.h: Prototype sbss_section.
16624 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
16626 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
16629 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
16631 * optabs.c (init_traps): Register trap_rtx as a GC root.
16633 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16635 * config/mips/mips.c (function_arg_pass_by_reference): Define
16636 unconditionally, since it's called unconditionally.
16638 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
16640 * toplev.c (documented_lang_options): Add -fshort-wchar.
16641 * c-decl.c (c_decode_option): Likewise.
16642 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
16644 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
16645 * gcc.c (default_compilers): If -fshort-wchar,
16646 override __WCHAR_TYPE__.
16647 * tm.texi (C Dialect Options): Add -fshort-wchar.
16649 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
16650 symbol for a variable.
16652 * cpplib.h (CPP_PREPROCESSED): New macro.
16653 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
16654 we're seeing this input for a second time.
16656 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
16658 * emit-rtl.c (init_emit_once): Initialize modes first.
16660 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
16662 * config/i386/i386.c (pic_label_name): Change to char pointer.
16663 (global_offset_table): New variable.
16664 (load_pic_register): Fill global_offset_table if it hasn't
16665 already been done. Allocate pic_label_name dynamically.
16666 * ggc.h (empty_string): New variable.
16667 * ggc-simple.c (empty_string): Likewise.
16668 (init_ggc): Allocate empty_string and add as root.
16669 * stmt.c (digit_strings): New variable.
16670 (init_stmt): Add last_block_end_note as root. Allocate and
16671 initialize digit_strings.
16672 (expand_asm_operands): Use empty_string instead of string
16673 constant. Use digit_strings instead of string constants.
16674 * profile.c (init_arc_profiler): Allocate string with
16675 ggc_alloc_string instead of xmalloc.
16676 (output_func_start_profiler): Likewise.
16677 * c-typeck.c (digest_init): Check if init is error_mark_node.
16679 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
16680 Richard Henderson <rth@cygnus.com>
16682 * ggc-page.c: New file.
16683 * Makefile.in (ggc-page.o): New.
16685 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
16687 * invoke.texi: Document -fdelete-null-pointer-checks
16688 * toplev.c (flag_delete_null_pointer_checks): New.
16689 (f_options): Add entry for -fdelete-null-pointer-checks.
16690 (rest_of_compilation): Conditionalize null pointer check
16691 elimination on flag_delete_null_pointer_checks.
16692 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
16694 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
16696 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
16697 copyright notice and special exception to GPL.
16699 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16701 * abi64.h (mips_function_value): Add prototype arguments.
16703 * mips-protos.h: New file with mips prototypes.
16705 * mips.c: Include "tm_p.h".
16706 (mktemp, lookup_name): Add prototype arguments.
16707 (extern_list, string_constant, mips_fill_delay_slot,
16708 mips_output_external, mips_output_external_libcall,
16709 mips_output_filename, mips_declare_object, function_prologue,
16710 mips_expand_prologue, function_epilogue, mips16_constant,
16711 build_mips16_function_stub, mips_output_conditional_branch):
16713 (mips_va_start): Remove unused variable `u'.
16714 (mips_va_arg): Cast value to unsigned when comparing against one.
16716 (save_restore_insns, mips_expand_prologue): Add missing arg in
16717 call to `large_int'.
16719 * mips.h: Move prototypes to mips-protos.h.
16720 (data_section, memory_address_p, rdata_section,
16721 readonly_data_section, simple_epilogue_p, text_section): Delete
16722 prototypes delcared elsewhere.
16723 (mips_epilogue_delay_slots, print_options): Delete unused decls.
16725 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
16727 * mips.md: Delete extra args in call to `mips_move_2words'.
16729 * xm-iris6.h (alloca): Add prototype argument.
16731 * genpeep.c: Include "tm_p.h" in generated output file.
16733 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16735 * basic-block.h (find_edge_index): Change parameters.
16736 * flow.c (verify_edge_list): Pass basic_block parameters to
16737 find_edge_index instead of integers.
16739 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
16741 * combine.c (simplify_comparison): Use an unsigned shift to adjust
16744 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
16746 * gcc.1: Fix a formatting error.
16748 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16750 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
16751 i786, mn10200, mn10300, pdp11, v850.
16753 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
16755 * libgcc2.c (num_digits): Add prototype with
16756 __attribute__((const)).
16757 (__terminate): Add prototype.
16759 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
16761 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
16763 * alpha/alpha.c (print_operand): Fix type of `code'.
16764 (alpha_output_filename): Constify.
16765 * alpha/alpha.h: Move all function declarations ...
16766 * alpha/alpha-protos.h: ... here. New file.
16767 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
16768 (SECTION_FUNCTION_TEMPLATE): Likewise.
16770 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16772 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
16773 * expr.c (expand_expr): Likewise.
16774 (do_jump): Likewise.
16775 (do_store_flag): Pass ccp_store_flag to can_compare_p.
16776 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
16778 (enum can_compare_purpose): New.
16779 (can_compare_p): Adjust prototype.
16780 (prepare_cmp_insn, prepare_operand): Declare.
16781 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
16782 * optabs.c (cmp_available_p): Deleted.
16783 (expand_abs): Pass ccp_jump to can_compare_p.
16784 (can_compare_p): New arg PURPOSE. Check for combined optabs.
16785 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
16786 Call can_compare_p rather than cmp_available_p.
16787 (prepare_operand): No longer static.
16788 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
16789 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
16790 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
16791 sequence to use emit_cmp_and_jump_insns.
16792 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
16794 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
16796 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
16797 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
16798 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
16799 (plus (reg) (const_int 0))
16800 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
16802 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
16804 * rs6000.c (expand_block_move): DImode loads and stores require
16805 word-aligned displacements. Increment address registers with
16806 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
16808 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
16810 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
16811 is no name for the base type, rather than segfault. If we are
16812 writing out a complex integer type, use DW_ATE_lo_user.
16814 * expr.c (emit_move_insn_1): If we are copying a complex that fits
16815 in one word or less (complex char, complex short, or on 64 bit
16816 systems complex float) to/from a hard register, copy it through
16817 memory instead of dying in gen_{real,imag}part. If we have a
16818 short complex type, prevent inlining since it allocates stack
16821 * tree.c (build_complex_type): If we are writing dwarf2 output,
16822 generate a name for complex integer types.
16824 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16826 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
16827 * flow.c (remove_edge): Remove extra whitespace.
16828 (remove_fake_edges): Fix comment.
16829 (add_noreturn_fake_exit_edges): Use the correct name.
16831 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
16833 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
16834 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
16835 (clean): Depend on INTL_CLEAN.
16836 (maintainer-clean): Adjust.
16838 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16840 * configure.in (AC_PREREQ): Bump to 2.13.
16841 (AC_C_STRINGIZE): Call this instead of using a custom macro.
16843 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
16845 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
16847 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
16849 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
16850 (HAVE_STRINGIZE): Define.
16852 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
16854 * c-parse.in: save and restore warn_pointer_arith on __extension__
16855 along with pedantic.
16856 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
16857 Set the type of extension to itype rather than $<itype>1 kludge.
16858 * extend.texi (Alternate Keywords): Adjust documentation.
16859 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
16861 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
16863 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
16864 most assembler templates.
16866 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
16867 FP loads and stores.
16868 (following_call): Always return zero for the PA8000.
16869 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
16870 FP loads and stores.
16871 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
16873 * pa.h (BRANCH_COST): Define.
16875 * pa.md (return, return_internal): Use bve for PA2.0.
16877 * pa.md (fused multiply): Add variants which reduce height for the
16878 fused multiply, but which still generate 2 insns.
16879 (fnegabs): Similarly.
16881 * pa.md (subsi3): Turn into an expander. Create two anonymous
16882 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
16883 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
16885 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
16887 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
16889 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
16890 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
16892 * regclass.c (init_regs): Add "top_of_stack" as a garbage
16895 * flow.c (record_active_eh_regions): Terminate loop after finding
16896 the last insn in the last basic block.
16898 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16900 * config/c4x/c4x.md: Delete parallel instruction peepholes.
16902 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16904 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
16906 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16908 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
16909 splitting to not use output template.
16911 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16913 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
16914 * config/c4x/c4x.c (c4x_va_start): New function.
16916 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
16918 * genrecog.c (not_both_true): Handle correctly cases when called for
16919 tests with different positions in the insn.
16921 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16923 * machmode.h (HOST_PTR_PRINTF): Move from here ...
16925 * system.h (HOST_PTR_PRINTF): ... to here.
16927 * mips-tfile.c: Don't include machmode.h.
16929 * Makefile.in (MACHMODE_H): New variable. Update to use it.
16930 (mips-tfile.o): Don't depend on machmode.h.
16932 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16934 * haifa-sched.c (sched_analyze): Rename local variable `region' to
16935 avoid conflicts with typedef struct `region' at the top level scope.
16937 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
16939 * basic-block.h (basic_block): Add eh_beg, eh_end.
16940 * flow.c (entry_exit_blocks): Update.
16941 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
16942 Call new functions.
16943 (find_basic_blocks_1): Don't record eh_list at each bb. Use
16944 lists.c functions to allocate insn lists.
16945 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
16947 (make_eh_edge): ... here. New.
16948 (move_stray_eh_region_notes): New.
16949 (record_active_eh_regions): New.
16950 (delete_unreachable_blocks): Split out block merging ...
16951 (try_merge_blocks): ... here. New.
16952 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
16953 Dump debugging data.
16954 (merge_blocks_move_successor_nojumps): Likewise.
16955 (merge_blocks): Use eh_beg+eh_end to validate block movement.
16957 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16959 * extend.texi (Bound member functions): Document unbound pmf
16962 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16964 * flow.c (split_edge): Handle insertion on a fallthrough edge which
16965 has the EXIT_BLOCK as a dest.
16967 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16969 * flow.c (remove_edge): New function to remove an edge from the
16971 (remove_fake_successors): New function to remove fake successor edges.
16972 (remove_fake_edges): New function to remove all fake edges from the
16974 (add_fake_exit_edges): New function to add fake edges from all blocks
16975 with no successors to the exit block.
16976 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
16977 prototypes for new functions.
16979 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16981 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
16982 Use Pmode to determine whether to output .dword or .word.
16984 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
16986 * tree.c (built_in_filename): New variable.
16987 (BUILT_IN_FILENAME): New macro.
16988 (init_tree_codes): Allocate built_in_filename.
16989 (make_node): Use built_in_filename instead of string constant.
16991 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
16993 * configure.in: Add fr30 target.
16994 * configure: Regenerate.
16995 * config/fr30: New directory.
16996 * config/fr30/crti.asm: New file.
16997 * config/fr30/fr30.c: New file.
16998 * config/fr30/crtn.asm: New file.
16999 * config/fr30/fr30.h: New file.
17000 * config/fr30/fr30.md: New file.
17001 * config/fr30/lib1funcs.asm: New file.
17002 * config/fr30/t-fr30: New file.
17003 * config/fr30/xm-fr30.h: New file.
17005 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
17007 * flow.c (merge_blocks_move_successor_nojumps): Delete the
17008 BARRIER at the end of the successor, not the BARRIER before
17011 * pa.c (pa_add_gc_roots): Fix thinko in last change.
17013 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
17015 * stmt.c (any_pending_cleanups): Don't crash when
17016 current_function->stmt is unset.
17018 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17020 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
17021 other initializations that may use it for relative offsets.
17023 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17025 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
17026 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
17027 * config/i386/sol2dbg.h: Removed.
17028 * config/i386/sol2gas.h: New file, to enable gas work-around.
17029 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
17030 Don't use sol2dbg.h.
17031 * configure: Rebuilt.
17033 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
17035 * invoke.texi (-fthis-is-variable): Remove documentation.
17037 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
17039 * basic-block.h (compute_bb_for_insn): Declare.
17040 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
17041 to use; set size of basic_block_for_insn directly.
17042 (find_basic_blocks): Update.
17044 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17046 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
17048 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17050 * crtstuff.c (ON_EXIT): Delete empty macro definition.
17051 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
17053 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
17055 * c-decl.c (c_decode_option): Extend comment.
17057 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
17059 * toplev.c (progname): Make 'const char *'
17060 (flag_print_mem): Move out of main.
17061 (version_flag): Move out of main.
17062 (filename): Move out of main.
17063 (debug_args): Remove g prefix from options.
17064 (documented_lang_options): Remove cpplib specific options.
17065 (display_help): Add g prefix to debug options.
17066 (check_lang_option): Delete this function.
17067 (decode_d_option): New function: Decode -d... option.
17068 (decode_f_option): New function: Decode -f... option.
17069 (decode_W_option): New function: Decode -W... option.
17070 (decode_g_option): New function: Decode -g... option.
17071 (independent_decode_option): New function: Decode a language
17072 independent command line option.
17073 (main): Invoke lang_decode_option and then
17074 independent_decode_option on each command line option in
17077 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
17079 Revert this change. Gavin's patch to operand_equal_p is a better fix.
17080 * fold-const.c (fold_range_test): Do not try to fold the range
17081 test if the rhs or lhs has side effects.
17083 * basic-block.h (compute_flow_dominators): Declare.
17085 * gcse.c (alloc_code_hoist_mem): New function.
17086 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
17087 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
17088 (hoist_code, one_code_hoisting_pass): Likewise.
17089 (gcse_main): If optimizing for size, then hoist expressions
17090 computed in multiple dominated basic blocks.
17092 * gcse.c (invalid_nonnull_info): New function.
17093 (delete_null_pointer_checks): Likewise.
17094 * rtl.h (delete_null_pointer_checks): Declare.
17095 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
17097 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
17098 (merge-blocks_move_successor_nojumps): Likewise.
17099 (merge_blocks): Allow merging of some blocks, even if it requires
17100 physical movement of the blocks, but not if it requires new jumps.
17102 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
17103 Callers and prototype changed.
17104 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
17106 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17108 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
17109 -YP when both -p and -pg are present. From i386/sol2.h.
17111 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17113 * Makefile.in (distclean): Delete tm_p.h.
17114 * configure.in: Create a new file, "tm_p.h", from a list in
17115 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
17116 "i386/i386-protos.h".
17118 * alias.c: Include "tm_p.h".
17119 * c-typeck.c: Likewise.
17120 * calls.c: Likewise.
17122 * emit-rtl.c: Likewise.
17123 * explow.c: Likewise.
17124 * expmed.c: Likewise.
17125 * expr.c: Likewise.
17126 * final.c: Likewise.
17127 * flow.c: Likewise.
17128 * fold-const.c: Likewise.
17129 * function.c: Likewise.
17130 * gcse.c: Likewise.
17131 * global.c: Likewise.
17132 * haifa-sched.c: Likewise.
17133 * integrate.c: Likewise.
17134 * jump.c: Likewise.
17135 * local-alloc.c: Likewise.
17136 * loop.c: Likewise.
17137 * optabs.c: Likewise.
17138 * recog.c: Likewise.
17139 * reg-stack.c: Likewise.
17140 * regclass.c: Likewise.
17141 * regmove.c: Likewise.
17142 * reload.c: Likewise.
17143 * reload1.c: Likewise.
17144 * reorg.c: Likewise.
17145 * resource.c: Likewise.
17146 * stmt.c: Likewise.
17147 * stor-layout.c: Likewise.
17148 * toplev.c: Likewise.
17149 * tree.c: Likewise.
17150 * unroll.c: Likewise.
17151 * genattrtab.c (main): Make generated file include "tm_p.h".
17152 * genemit.c (main): Likewise.
17153 * genoutput.c (main): Likewise.
17154 * genrecog.c (main): Likewise.
17156 * i386.h: Delete all prototypes.
17157 * i386.c: Include "tm_p.h".
17158 (ix86_attr_length_default): Call constant_call_address_operand
17159 with correct number of arguments.
17160 * i386-protos.h: New file.
17161 * i386.md (unnamed patterns): Call constant_call_address_operand
17162 with correct number of arguments.
17163 (exception_receiver): Call load_pic_register with correct number
17166 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
17168 * c-pragma.c (mark_align_stack): Dereference the void* properly.
17170 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
17172 * rtl.h (insns_safe_to_move_p): New function.
17173 * loop.c (find_and_verify_loops): Use it.
17174 * rtlanal.c (insns_safe_to_move_p): Define it.
17176 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
17178 * c-pragma.c: Include ggc.h.
17179 * Makefile.in (c-pragma.o): Update.
17181 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17183 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
17184 (LIB_SPEC): Likewise.
17185 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
17186 Reindent -YP/-p/-pg.
17187 Copied from config/sparc/sol2.h.
17189 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
17191 * c-pragma.c (mark_align_stack): New.
17192 (init_pragma): New.
17193 * c-pragma.h (init_pragma): Declare it.
17194 * c-lex.c (init_parse): Call it.
17196 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17198 * configure.in: Pick up thread library on Solaris/x86 just
17199 like on Solaris/sparc.
17200 * configure: Rebuilt.
17202 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
17204 * rtl.h (global_rtx_index): New enum.
17205 (global_rtl): Change to array of rtx.
17206 (pc_rtx, cc0_rtx): Redefine accordingly.
17207 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
17208 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
17209 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
17210 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
17211 (const_int_rtx): Change to array of rtx.
17212 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
17214 * emit-rtl.c (global_rtl): Change to array of rtx.
17215 (const_int_rtx): Change to aray of rtx.
17216 (gen_rtx_CONST_INT): Redefine accordingly.
17217 (init_emit_once): Allocate and initialize global_rtl. Likewise
17218 for const_int_rtx. Add both as GC roots.
17219 * genattrtab.c (global_rtl): Update declaration.
17221 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
17223 * Makefile (USER_H): Add iso646.h back.
17225 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
17227 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
17228 zapping the LOG_LINKS of sched_before_next_call.
17230 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
17231 * pa.c (insn_refs_are_delayed): Renamed from
17232 insn_sets_and_refs_are_delayed.
17234 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
17236 * functiion.h (struct function): Add x_whole_function_mode_p.
17237 (retrofit_block): Declare.
17238 * function.c (retrofit_block): New function.
17239 (identify_blocks): Add assertions. Allow an incomplete set of
17240 block notes if we're still generating code for the function.
17241 * integrate.c: Include loop.h.
17242 (expand_inline_function): Call find_loop_tree_blocks to map block
17243 notes to blocks when in whole-function mode. Use retrofit_block
17244 to insert new BLOCKs for the inlined function, rather than
17246 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
17247 * Makefile.in (integrate.o): Depend on loop.h.
17249 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
17251 * tree.h (warn_about_unused_variables): Declare.
17252 * stmt.c (warn_about_unused_variables): New function, split out
17254 (expand_end_bindings): Here.
17256 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
17258 * stmt.c (preserve_subexpressions_p): Don't crash when
17259 current_function->stmt is unset.
17261 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
17263 * stmt.c (expand_start_bindings): Allow callers to pass a flag
17264 indicating that no NOTE_INSN_BLOCK_BEG note is required.
17265 (expand_start_target_temps): Use it.
17266 * except.c (expand_eh_region_start_for_decl): Likewise.
17267 * expr.c (expand_expr): Likewise.
17269 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
17271 * fold-const.c (operand_equal_p): Pay attention to side effects.
17273 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
17275 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
17276 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
17278 * tlink.c (scan_linker_output): Look for keywords before accepting
17279 a mangled name in quotes.
17281 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
17283 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
17284 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
17286 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
17288 * alpha.md: Revert Thu Nov 26 change that came in through the
17289 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
17290 Avoid earlyclobber when possible.
17292 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17294 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
17296 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
17297 Define HAVE_ON_EXIT.
17299 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17301 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
17302 CTYPE_CONV in all ctype macros.
17304 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
17307 * cexp.y (initialize_random_junk): Likewise.
17309 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
17311 * i370.c (handle_pragma): Likewise.
17313 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
17315 * v850.c (override_options): Likewise.
17317 * doprint.c (_doprnt): Likewise.
17319 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
17322 * fixinc/server.c (load_data): Likewise.
17324 * fold-const.c (real_hex_to_f): Likewise.
17326 * genattr.c (write_upcase, gen_attr): Likewise.
17328 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
17329 write_upcase): Likewise.
17331 * genemit.c (print_code): Likewise.
17333 * genopinit.c (gen_insn): Likewise.
17335 * genpeep.c (print_code): Likewise.
17337 * genrecog.c (print_code): Likewise.
17339 * optabs.c (init_libfuncs): Likewise.
17341 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
17343 * haifa-sched.c (sched_analyze): Keep the list of notes organized
17345 (reemit_notes): Likewise.
17347 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
17349 * ggc.h (ggc_root): Move to ggc-common.c.
17351 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
17352 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
17353 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
17354 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
17355 * ggc-common.c (ggc_root): Move from ggc.h.
17356 (roots): Declare, static.
17357 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
17358 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
17359 null or check/set mark bit.
17360 (ggc_mark_roots): New.
17361 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
17363 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
17365 * m32r.c: Include toplev.h.
17366 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
17367 (gen_compare): Rename swap_p to must_swap to match uses.
17368 Add default abort case.
17369 (m32r_output_function_epilogue): Remove unused variables.
17370 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
17371 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
17372 define to empty parameter list. Update all uses.
17373 (predicate decls): Use enum machine_mode not int.
17374 * m32r.md (movsi): Call abort, not fatal_insn.
17375 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
17377 1999-09-14 Andrew Haley <aph@cygnus.com>
17379 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
17380 use $0 instead of 0.
17382 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17384 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
17385 computation out of loop over hard regs.
17387 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
17389 * function.c (identify_blocks): Don't shadow a variable in an
17391 * integrate.c (integrate_decl_tree): Don't use pushlevel,
17392 pushdecl, or poplevel to build up the new BLOCK tree.
17393 (expand_inline_function): Likewise.
17394 (integrate_parm_decls): Likewise.
17396 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
17398 * c-typeck.c (qualify_type): Merge qualifiers from both types.
17400 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
17402 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
17403 * invoke.texi: Document this change.
17405 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
17407 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
17409 (mark_emit_status): Renamed from mark_emit_state.
17410 * except.c (mark_eh_status): Renamed from mark_eh_state.
17411 Check not null before marking.
17412 (free_eh_status): New.
17413 * expr.c (mark_expr_status, free_expr_status): New.
17414 * function.c (free_machine_status): New.
17415 (free_after_parsing): New.
17416 (free_after_compilation): Move bits to free_after_parsing; call
17417 free_eh_status, free_expr_status; zero the marked members of the
17419 (prepare_function_start): No can_garbage_collect.
17420 Call init_eh_for_function.
17421 (expand_dummy_function_end): Free up current_function state.
17422 (mark_function_status): Renamed from mark_function_state.
17423 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
17424 * function.h (struct function): No can_garbage_collect.
17425 (free_machine_status, free_after_parsing): Declare.
17426 (free_eh_status, free_expr_status): Declare.
17427 * ggc.h (mark_expr_status): Declare.
17428 * stmt.c (free_stmt_status): Free the struct.
17429 (mark_stmt_status): Renamed from mark_stmt_state.
17430 (init_stmt): Don't call init_eh.
17431 (init_stmt_for_function): Don't call init_eh_for_function.
17432 * toplev.c (compile_file): Call init_eh.
17433 (rest_of_compilation): Free basic block info before ggc_collect.
17434 Call free_after_parsing; conditionally call free_after_compilation.
17435 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
17436 Check not null before marking.
17437 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
17439 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
17441 * c-lex.c (yylex): Initialize warn.
17443 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
17445 * pa.c (emit_move_sequence): Properly set the mode of the scratch
17446 register when performing secondary reloads for the SAR register.
17448 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
17450 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
17451 (NOTE_BLOCK): New macro.
17452 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
17453 * function.h (identify_blocks): Change prototype.
17454 * function.c (identify_blocks): Simplify.
17455 (reorder_blocks): Likewise.
17456 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
17457 NOTE_INSN_BLOCK_{BEG,END}.
17458 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
17459 the list of saved notes if the note isn't a
17460 NOTE_INSN_BLOCK_{BEG,END}.
17461 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
17463 (reemit_notes): Adjust recreation of notes to reflect new saved
17465 * print-rtl.c (print_rtx): Print the address of the BLOCK when
17466 printing a block note.
17467 * stmt.c (block_vector): Remove.
17468 (find_loop_tree_blocks): Simplify.
17469 (unroll_block_trees): Likewise.
17470 * tree.h (reorder_block): Change prototype.
17472 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
17474 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
17475 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
17476 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
17477 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
17478 (atexit, exit): Simplify.
17479 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
17480 * config/lots: Remove defns of HAVE_ATEXIT.
17482 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
17484 * calls.c (precompute_arguments): Fix typo in comment.
17485 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
17488 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
17490 * dsp16xx.c (override_options): Fix typos in GC root registration.
17492 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
17494 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
17495 from config/svr4.h.
17496 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
17497 (FUNCTION_PROFILER): Redefine appropriately for Linux.
17498 (CC1_SPEC): Likewise.
17500 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17502 * genattr.c (main): Add extern prototype. Call return, not exit.
17503 * genattrtab.c (main): Likewise.
17504 * gencheck.c (main): Likewise.
17505 * gencodes.c (main): Likewise.
17506 * genconfig.c (main): Likewise.
17507 * genemit.c (main): Likewise.
17508 * genextract.c (main): Likewise.
17509 * genflags.c (main): Likewise.
17510 * gengenrtl.c (main): Likewise.
17511 * genopinit.c (main): Likewise.
17512 * genoutput.c (main): Likewise.
17513 * genpeep.c (main): Likewise.
17514 * genrecog.c (main): Likewise.
17516 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
17517 * genattrtab.c (get_insn_name): Likewise.
17518 * gencodes.c (get_insn_name): Likewise.
17519 * genconfig.c (get_insn_name): Likewise.
17520 * genemit.c (get_insn_name): Likewise.
17521 * genextract.c (get_insn_name): Likewise.
17522 * genflags.c (get_insn_name): Likewise.
17523 * genopinit.c (get_insn_name): Likewise.
17524 * genpeep.c (get_insn_name): Likewise.
17526 * gencheck.c (usage): Add static prototype.
17527 * genextract.c (print_path): Constify a char*.
17528 * genopinit.c (optabs): Likewise.
17529 * genoutput.c (operand_data, data, output_predicate_decls,
17530 compare_operands): Likewise.
17531 * genrecog.c (write_tree): Add default case in switch.
17533 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17535 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
17537 * print-rtl.c (get_insn_name): Remove prototype.
17539 * toplev.h (progname): Declare const.
17541 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
17542 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
17543 dump_sched_info, dump_local_alloc, regset_release_memory,
17544 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
17545 error_with_file_and_line, error_with_decl, error_for_asm, error,
17546 fatal, warning_with_file_and_line, warning_with_decl, warning,
17547 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
17548 Remove redundant prototypes.
17550 (notice, check_lang_option, report_file_and_line, vnotice,
17551 mark_file_stack): Add static prototype.
17552 (set_fatal_function): Add prototype.
17553 (vnotice, report_file_and_line, set_fatal_function,
17554 check_lang_option): Constify a char*.
17555 (main): Prototype. Call return, not exit.
17557 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17559 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
17561 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
17563 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
17565 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
17567 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17569 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
17570 behave as if it's zero in all cases.
17571 (expand_function_start): Adjust call to assign_parms.
17572 * tree.h (assign_parms): Adjust prototype.
17573 * objc/objc-act.c (hack_method_prototype): Adjust call to
17576 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
17578 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
17579 arg_pointer_rtx fixed if the argument pointer register is
17581 (NONZERO_BASE_PLUS_P): Likewise.
17583 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
17585 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
17586 match_insn2 to match_insn.
17587 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
17589 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
17591 * Makefile.in (USER_H): Remove va-foo.h.
17593 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
17594 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
17595 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
17596 va-spur.h,va-v850.h}: Remove.
17598 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
17600 * sparc/sparc.md (eligible_for_return_delay): New attribute.
17601 (in_return_delay): Use it instead of match_insn.
17603 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17605 * config/alpha/va_list.h (va-alpha.h): Do not include.
17606 (__gnuc_va_list): Typedef as in varargs.h.
17608 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
17610 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
17611 DECL_LIVE_RANGE_RTL.
17613 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
17615 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
17616 not NOTE_BLOCK_NUMBER.
17617 (expand_eh_region_end): Likewise.
17618 (find_exception_handler_labels): Likewise.
17619 (scan_region): Likewise.
17620 (exception_optimize): Likewise.
17621 (update_rethrow_references): Likewise.
17622 (set_insn_eh_region): Likewise.
17623 * final.c (final_scan_insn): Likewise.
17624 * flow.c (make_edges): Likewise.
17625 * integrate.c (expand_inline_function): Likewise.
17626 * print-rtl.c (print_rtx): Likewise.
17628 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
17630 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
17631 terms of builtin functions and types.
17633 * mips.c (mips_build_va_list): New.
17634 (mips_va_start, mips_va_arg): New.
17635 * mips.h (BUILD_VA_LIST_TYPE): New.
17636 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
17638 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
17639 (sh_build_va_list, sh_va_start, sh_va_arg): New.
17640 * sh.h (BUILD_VA_LIST_TYPE): New.
17641 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
17643 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
17645 * recog.h (struct recog_data): Make dup_num, operand_address_p,
17646 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
17647 (struct insn_data): Likewise with n_operands, n_dups,
17648 n_alternatives, output_format.
17649 * regclass.c (scan_one_insn): Cast n_operands to int before
17650 arithmetic inside comparison.
17652 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
17654 * toplev.c (compile_function): Unconditionally emit nop.
17656 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17658 * haifa-sched.c (actual_hazard): Move declaration of variable
17659 `this_cost' into the scope where it is used.
17661 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17663 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
17664 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
17665 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
17667 * genrecog.c (make_insn_sequence): Call memset, not bzero.
17669 * jump.c (find_insert_position): Don't declare or define unless
17670 !HAVE_conditional_arithmetic.
17671 (returnjump_p_1, delete_prior_computation): Add static prototypes.
17673 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
17675 * recog.c (offsettable_address_p): Prototype function pointer.
17676 (preprocess_constraints): Call memset, not bzero.
17678 * tree.c (tree_node_kind_names): Constify a char*. Make static.
17679 (gcc_obstack_init): Don't declare.
17680 (fix_sizetype): Add static prototype.
17681 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
17682 (tree_cons): Call memset, not bzero.
17684 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
17685 definition in macro ASM_WEAKEN_LABEL.
17686 (mark_const_hash_entry): Add static prototype.
17688 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17690 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
17692 * unroll.c (find_common_reg_term, subtract_reg_term,
17693 loop_find_equiv_value): Add static prototypes.
17694 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
17695 (copy_loop_body): Remove unreachable break statement.
17697 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
17699 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
17701 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17703 Undo some changes from the gcc2 merge:
17704 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
17705 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
17709 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
17710 * emit-rtl.c (gen_lowpart_common): Disable optimization of
17711 initialized float-int union if the value is a NaN.
17713 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
17715 * gthr-win32.h: New file.
17717 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
17718 shared as a valid attribute.
17719 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
17720 * extend.texi: Document `shared' variable attribute.
17722 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
17724 * configure.in: Handle --enable-threads on FreeBSD.
17725 * configure: Rebuit.
17727 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17729 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
17731 * configure: Rebuilt.
17733 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
17734 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
17735 Rosimildo DaSilva <rdasilva@connecttel.com>
17737 * configure.in (m68k-*-rtemscoff*): Added.
17738 * configure.in (mips64orion-*-rtems*): Converted to ELF.
17739 * configure.in (sparc-*-rtemsaout*): Added as alias for old
17740 sparc-rtems configuration.
17741 * configure.in (sparc-*-rtemself*): Added.
17742 * configure.in (sparc-*-rtems*): Now ELF not a.out.
17743 * config/i386/rtems.h: Added comment.
17744 * config/sparc/rtemself.h: New file.
17746 * configure.in (m68k-rtemself): Added.
17747 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
17748 and DWARF_DEBUGGING_INFO.
17749 * config/m68k/crti.s: New file.
17750 * config/m68k/crtn.s: New file.
17751 * config/m68k/t-crtstuff: New file.
17752 * config/m68k/rtemself.h: New file.
17754 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
17755 global ctor/dtor and C++ exception handling.
17756 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
17757 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
17759 * config/i386/t-rtems-i386: New File.
17761 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
17763 * stmt.c (expand_end_case): Return right away if the case stack is
17766 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
17768 * Makefile.in (version.c): Remove rule incorrectly brought in from
17771 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
17773 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
17774 * msdos/top.sed: Take into account a prepended $(SHELL) to
17776 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
17778 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
17780 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17782 * regmove.c (fixup_match_1): Don't change an unchanging register.
17783 (stable_but_for_p): Renamed to:
17784 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
17785 Changed all callers.
17787 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
17789 * loop.c (strength_reduce): Don't call reg_used_between_p if the
17790 insn from BL2 is after the insn from BL.
17792 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
17794 * recog.h (INSN_OUTPUT_FORMAT_*): New.
17795 (struct insn_data): Merge `template' and `outfun' into `output'.
17796 Add `output_format'.
17797 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
17798 (struct data): Remove `outfun'; add `output_format'.
17799 (name_for_index): Remove declaration.
17800 (output_insn_data): Handle output formats.
17801 (process_template): Emit the bare array for @.
17802 (gen_expand, gen_split): Set output_format to NONE.
17803 * output.h (get_insn_template): Declare.
17804 * final.c (get_insn_template): New.
17805 (final_scan_insn): Use it.
17806 * toplev.c (compile_file): Likewise.
17808 * c4x/c4x.c (c4x_process_after_reload): Likewise.
17809 * i860/i860.c (output_delayed_branch): Likewise.
17810 (output_delay_insn): Likewise.
17812 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17814 * rtl.c (obstack_alloc_rtx): Removed.
17816 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
17818 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
17820 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
17822 * i386.c (call_insn_operand): Reject const_int.
17823 (expander_call_insn_operand): Use call_insn_operand.
17825 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17827 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
17829 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
17831 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
17832 Use DImode operation.
17834 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
17836 * gcc.c: Include sys/resource.h.
17837 (report_times): New flag.
17838 (execute): If report_times is set, calculate and report the
17839 CPU time consumed by each subprocess.
17841 (rus, prus): New globals.
17842 (option_map): Add --time.
17843 (display_help): Document -time.
17844 (process_command): Set report_times if -time is given.
17845 Turn off -pipe if -time is given.
17847 * invoke.texi: Document new option -time.
17849 * configure.in: Check for getrusage. Check if we have to
17850 prototype getrusage.
17851 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
17852 * configure: Regenerate.
17853 * config.in: Regenerate.
17855 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
17857 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
17860 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
17862 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
17863 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
17864 (nan): Return _thenan_sf or _thenan_df as appropriate.
17865 (L_thenan_sf): Define _thenan_sf.
17866 (L_thenan_df): Define _thenan_df.
17868 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
17869 (DPBIT_FUNCS): Add _thenan_df.
17871 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
17873 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
17876 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17878 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
17881 (lang_specific_driver): Don't take a function pointer parameter.
17882 All callers changed.
17884 * gcc.c: Include gcc.h.
17885 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
17886 lang_specific_extra_outfiles, fatal): Don't declare.
17887 (multilib_defaults_raw): Constify.
17888 (read_specs): Call memset, rather than bzero.
17889 (main): Call return, not exit.
17890 (lookup_compiler): Call memcpy, not bcopy.
17891 (fatal): Make extern.
17893 * cppspec.c: Include gcc.h.
17894 (lang_specific_driver): Initialize variable `quote'. Constify a
17895 char*. All calls to the function pointer parameter now
17896 explicitly call `fatal'.
17898 * gccspec.c (lang_specific_driver): Include gcc.h.
17900 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
17902 * arm.c (note_invalid_constants): Use recog_data.operand_type
17905 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17907 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
17910 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
17911 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
17912 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
17913 reload_secondary_in_reload, reload_secondary_out_reload,
17914 reload_secondary_in_icode, reload_secondary_out_icode,
17915 reload_reg_rtx, reload_when_needed): Delete declarations.
17916 (struct reload): New structure.
17917 (rld): Declare new array.
17918 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
17919 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
17920 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
17921 reload_secondary_in_reload, reload_secondary_out_reload,
17922 reload_secondary_in_icode, reload_secondary_out_icode,
17923 reload_reg_rtx, reload_when_needed): Delete definitions.
17925 (whole file): Replace uses of the deleted arrays with uses of rld.
17926 * reload1.c (whole file): Replace uses of the deleted arrays with
17928 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
17929 explicit loops, not with bcopy.
17931 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
17933 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
17934 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
17935 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
17936 insn_name): Delete and consolidate into new structures.
17937 (insn_operand_predicate_fn): New.
17938 (insn_output_fn): New.
17939 (insn_gen_fn): New.
17940 (struct insn_operand_data): New.
17941 (struct insn_data): New.
17943 (OUT_FCN): Update for insn_data change.
17944 * builtins.c (expand_builtin_strlen): Likewise.
17945 (expand_builtin_memcmp): Likewise.
17946 * combine.c (make_extraction, simplify_comparison): Likewise.
17947 * cse.c (canon_reg, cse_insn): Likewise.
17948 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
17949 * expmed.c (store_bit_field, extract_bit_field): Likewise.
17950 (emit_store_flag): Likewise.
17951 * expr.c (convert_move, emit_block_move): Likewise.
17952 (clear_storage, emit_push_insn, expand_increment): Likewise.
17953 (do_store_flag): Likewise.
17954 * expr.h (GEN_FCN): Likewise.
17955 (insn_gen_function): Die.
17956 * final.c (final_scan_insn): Update for insn_data change.
17957 (output_asm_name): Likewise.
17958 * function.c (fixup_var_refs_1): Likewise.
17959 * loop.c (check_dbra_loop): Likewise.
17960 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
17961 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
17962 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
17963 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
17964 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
17965 * regmove.c (gen_add3_insn): Likewise.
17966 * reload.c (push_secondary_reload, combine_reloads): Likewise.
17967 (find_reloads, find_reloads_address_1): Likewise.
17968 (debug_reload_to_stream): Likewise.
17969 * reload1.c (emit_reload_insns, gen_reload): Likewise.
17970 * stmt.c (expand_end_case): Likewise.
17971 * toplev.c (compile_file): Likewise.
17973 * c4x/c4x.c (c4x_process_after_reload): Likewise.
17974 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
17976 * print-rtl.c (insn_name_ptr): Remove declaration.
17977 (get_insn_name): Declare.
17978 (print_rtx): Use it.
17979 * genoutput.c (insn_name_ptr): Remove.
17980 (next_operand_number): New.
17981 (struct operand_data): New.
17982 (null_operand, odata, odata_end): New.
17983 (struct data): Use struct operand_data.
17984 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
17985 (get_insn_name): Renamed from name_for_index.
17986 (output_prologue): Define NO_MD_PROTOTYPES.
17987 (output_predicate_decls): Break out from output_epilogue.
17988 Iterate over the operands list.
17989 (output_operand_data): Break out from output_epilogue. Emit
17990 just the operands list.
17991 (output_insn_data): Break out from output_epilogue. Emit just
17993 (output_epilogue): Remove.
17994 (output_get_insn_name): New.
17995 (constraints, op_n_alternatives, predicates, address_p): Die.
17996 (modes, strict_low, seen): Die.
17997 (scan_operands): Take new param `d' instead of writing to
17998 seven global variables.
17999 (compare_operands): New.
18000 (place_operands): New.
18001 (validate_insn_alternatives): Update for struct data change.
18002 (gen_insn): Don't zero or copy 7 global arrays. Update for
18003 scan_operands; call place_operands.
18004 (gen_peephole, gen_expand, gen_split): Likewise.
18005 (main): Update for new output routines.
18007 * genattr.c (insn_name_ptr): Remove.
18008 (get_insn_name): New function.
18009 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
18010 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
18011 * genrecog.c: Likewise.
18013 * alpha.md (adddi3): Make `pattern' array static.
18015 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18017 * config/c4x/c4x.h (c4x_rpts_cycles_string,
18018 c4x_cpu_version_string): Constify char *.
18019 * config/c4x/c4x.c (c4x_rpts_cycles_string,
18020 c4x_cpu_version_string): Likewise.
18022 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
18024 * tree.c (save_tree_status): Revert 10 Sep change.
18025 (restore_tree_status): Likewise. Call obstack_free with NULL
18026 before freeing the obstack proper.
18028 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
18030 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
18032 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
18033 surrounding context.
18035 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
18037 * tree.c (type_hash_canon): Put all types in the hash-table, when
18040 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
18042 * recog.h (struct recog_data, recog_data): New.
18043 (recog_foo variables): Kill.
18044 * recog.c (recog_operand, recog_operand_loc): Kill.
18045 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
18046 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
18047 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
18048 (recog_data): Define.
18049 (extract_insn): Update all recog_foo references to use recog_data.
18050 (preprocess_constraints, constrain_operands): Likewise.
18051 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
18052 * genattrtab.c (main): Likewise.
18053 * genextract.c (main): Likewise.
18054 * genoutput.c: Likewise.
18055 * genrecog.c (write_subroutine, main): Likewise.
18056 * local-alloc.c (block_alloc): Likewise.
18057 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
18058 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
18059 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
18060 * reload.c (find_reloads, find_reloads_toplev): Likewise.
18061 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
18062 (reload_cse_simplify_operands): Likewise.
18064 * arc/arc.c (arc_final_prescan_insn): Likewise.
18065 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
18066 * h8300/h8300.c (notice_update_cc): Likewise.
18067 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
18068 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
18069 * mn10200/mn10200.c (notice_update_cc): Likewise.
18070 * mn10300/mn10300.c (notice_update_cc): Likewise.
18071 * romp/romp.c (update_cc): Likewise.
18072 * sparc/sparc.c (check_pic): Likewise.
18073 * v850/v850.c (notice_update_cc): Likewise.
18075 * genemit.c (main): Don't declare recog_operand.
18077 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
18079 * ggc.h (rtvec_def): Forward declare.
18080 (tree_node): Likewise.
18081 (ggc_root): Define.
18083 (ggc_set_mark_rtx): Add prototype.
18084 (ggc_set_mark_rtvec): Likewise.
18085 (ggc_set_mark_tree): Likewise.
18086 * ggc-simple.c (ggc_root): Don't define.
18087 (roots): Don't declare.
18088 (ggc_mark_rtx): Remove.
18089 (ggc_mark_rtvec): Likewise.
18090 (ggc_mark_tree): Likewise.
18091 (ggc_mark_varray): Likewise.
18092 (ggc_mark_tree_hash_table_entry): Likewise.
18093 (ggc_mark_tree_hash_table): Likewise.
18094 (ggc_set_mart_rtx): New function.
18095 (ggc_set_mark_rtvec): Likewise.
18096 (ggc_set_mark_tree): Likewise.
18097 (ggc_add_root): Remove.
18098 (ggc_add_rtx_root): Likewise.
18099 (ggc_remove_tree_root): Likewise.
18100 (ggc_add_string_root): Likewise.
18101 (ggc_add_tree_varray_root): Likewise.
18102 (ggc_add_tree_hash_table_root): Likewise.
18103 (ggc_del_root): Likewise.
18104 (ggc_mark_rtx_ptr): Likewise.
18105 (ggc_mark_tree_ptr): Likewise.
18106 (ggc_mark_string_ptr): Likewise.
18107 (ggc_mark_tree_varray_ptr): Likewise.
18108 (ggc_mark_tree_hash_table_ptr): Likewise.
18109 * ggc-common.c: New file.
18110 * Makefile.in (OBJS): Add ggc-common.o.
18111 (ggc-common.o): List dependencies.
18113 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
18115 * cppalloc.c (xstrdup): Use memcpy.
18116 * cpperror.c (cpp_print_containing_files): Don't use
18118 * cpplib.c (conditional_skip): Set temp->lineno.
18119 (do_endif): Make error message less obscure.
18120 (if_directive_name): New function.
18121 (cpp_get_token [case EOF]): Unwind the if stack and generate
18122 error messages for each unterminated conditional in this file.
18123 (parse_string): Do not behave differently if -traditional.
18125 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
18127 * builtins.c (expand_builtin_va_arg): Cope with an array-type
18128 va_list decomposing to pointer-type.
18129 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
18130 (rs6000_va_arg): Likewise.
18132 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
18134 * except.c (start_dynamic_handler): Compute size using
18135 STACK_SAVEAREA_MODE.
18137 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18139 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
18140 include directory headers. Don't define strrchr. Don't provide
18141 my_* replacement functions. Prefer PTR over `pointer_type'.
18142 Don't prototype system functions. Don't redefine getopt.
18144 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
18145 safe_read, safe_write, save_pointers, restore_pointers,
18146 is_id_char, in_system_include_dir, directory_specified_p,
18147 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
18148 find_corresponding_lparen, referenced_file_is_newer,
18149 save_def_or_dec, munge_compile_params, gen_aux_info_file,
18150 process_aux_info_file, identify_lineno, check_source,
18151 seek_to_line, forward_to_next_token_char, output_bytes,
18152 output_string, output_up_to, other_variable_style_function,
18153 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
18154 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
18155 find_static_definition, connect_defs_and_decs, add_local_decl,
18156 add_global_decls, needs_to_be_converted, visit_each_hash_node,
18157 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
18158 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
18159 scan_for_missed_items, edit_file, string_list_cons): Add static
18161 (standard_exec_prefix, target_machine, target_version,
18162 default_syscalls_dir, string_list, string_list_cons, find_file,
18163 do_cleaning): Constify a char*.
18164 (safe_read, safe_write): Use PTR, not a char*.
18165 (is_id_char): Take an int, not a char.
18166 (main): Add prototype. Call return, not exit.
18168 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
18170 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
18171 when comparing types.
18173 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
18175 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
18176 (strength_reduce): Release the varrays from the no-bivs early exit.
18178 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
18179 the loop over the registers.
18181 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
18183 (restore_tree_status): Check that instead when freeing the obstack.
18185 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
18187 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
18190 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18192 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
18193 operand size modifiers.
18195 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18197 * c-common.c (c_common_nodes_and_builtins): Don't build
18199 * c-common.h (enum c_tree_index and related accesor macros): Remove
18200 everything now declared in tree.h.
18201 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
18202 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
18203 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
18204 (error_mark_node, void_type_node, char_type_node, integer_type_node,
18205 unsigned_type_node, ptr_type_node, va_list_type_node,
18206 integer_zero_node, null_pointer_node, integer_one_node): Delete.
18207 (init_decl_processing): Call build_common_tree_nodes and
18208 build_common_tree_nodes_2 instead of building their nodes here.
18209 Don't add roots for these nodes.
18210 * stor-layout.c (size_zero_node, size_one_node): Delete.
18211 (set_sizetype): Make a new node for bitsizetype each time.
18212 * tree.c (global_trees): New variable.
18213 (init_obstacks): Add a gc root for it.
18214 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
18215 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
18216 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
18217 (build_common_tree_nodes): New function.
18218 (fix_sizetype): New function.
18219 (build_common_tree_nodes_2): New function.
18220 * tree.h (enum tree_index): New.
18221 (global_trees): Declare.
18222 Add accessor macros for all nodes now moved to global_trees.
18223 Delete their declarations.
18225 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
18227 * c-decl.c (finish_function): When processing a nested function,
18228 push and pop GC context around rest_of_compilation.
18230 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
18232 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
18233 Default ix86_arch to PROCESSOR_I386.
18234 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
18235 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
18236 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
18237 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
18238 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
18239 (EXTRA_SPECS): Remove deleted specs.
18241 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
18243 * function.c (assign_stack_local_1): Allocate from
18244 function->x_frame_offset, not frame_offset.
18246 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
18248 * ggc.h (lang_cleanup_tree): Remove.
18249 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
18250 * ggc-callbacks.c (lang_cleanup_tree): Remove.
18252 * c-decl.c (finish_struct): Use ggc_alloc to allocate
18253 TYPE_LANG_SPECIFIC when garbage collecting.
18254 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
18255 (lang_cleanup_tree): Remove.
18257 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18259 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
18260 * crtstuff.c: Not here.
18261 * dwarf2out.c: Or here.
18262 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
18265 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
18267 * function.h (free_after_compilation): Remove decl parameter.
18268 (free_varasm_status0: Likewise.
18269 (free_emit_status): Likewise.
18270 (free_stmt_status): Likewise.
18271 (free_after_compilation): Likewise.
18272 (init_lang_status): New variable.
18273 (free_lang_status): Likewise.
18274 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
18275 * function.c (init_lang_status): New variable.
18276 (free_lang_status): Likewise.
18277 (push_function_context_to): Don't set function::decl here.
18278 (free_after_copmilation): Make decl parameter implicit. Call
18279 free_lang_status if defined.
18280 (prepare_function_start): Call init_lang_status if defined.
18281 (init_function_start): Set function::decl here.
18282 * profile.c (output_func_start_profiler): Don't call pushdecl
18283 until we've actually started the function.
18284 * stmt.c (free_stmt_status): Make decl parameter implicit.
18285 * toplev.c (rest_of_compilation): Don't pass decl to
18286 free_after_compilation.
18287 * varasm.c (free_varasm_status): Likewise.
18289 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18291 * except.c (call_get_eh_context): Add root when allocating static
18294 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
18296 * arm.c: Include "ggc.h".
18297 (arm_add_gc_roots): New function.
18298 (arm_override_options): Call it.
18299 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
18301 * arm.md (define_asm_attributes): Add a pool_range attribute.
18303 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
18305 * extend.texi (Volatiles): New node.
18307 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
18309 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
18310 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
18311 (struct ggc_any): Replace `mark' with `magic_mark'.
18312 (ggc_alloc_string): Use memcpy, not bcopy.
18313 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
18314 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
18315 (ggc_free_any): New.
18316 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
18317 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
18318 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
18319 Use IS_MARKED. Use ggc_free_any.
18321 1999-09-09 Scott Bambrough <scottb@netwinder.org>
18323 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
18325 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
18327 * toplev.c (main): Always init_ggc.
18329 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
18331 * except.c (find_all_handler_type_matches): Free the list if
18332 we found no matches.
18334 * combine.c (SUBST): Break out to a real function do_SUBST.
18335 (SUBST_INT): Likewise.
18336 * gcse.c (free_pre_mem): Free `temp_bitmap'.
18337 (pre_insert): Free `inserted'.
18338 * loop.c (basic_induction_var): Always set `location'.
18340 * function.c (expand_function_end): Add initial_trampoline as a root.
18341 * rtl.h (init_varasm_once): Declare.
18342 * toplev.c (compile_file): Call it.
18343 * ggc-simple.c (ggc_mark_string_ptr): New.
18344 (ggc_add_string_root): New.
18345 (ggc_collect): Disable collection avoidance temporarily.
18346 * ggc.h (ggc_add_string_root): Declare.
18347 * except.c (create_rethrow_ref): Use ggc_alloc_string.
18348 * optabs.c (init_libfuncs): Likewise.
18349 * varasm.c (named_section): Use ggc_alloc_string.
18350 (make_function_rtl): Likewise.
18351 (make_decl_rtl): Likewise.
18352 (assemble_static_space): Likewise.
18353 (assemble_trampoline_template): Likewise.
18354 (output_constant_def): Likewise.
18355 (force_const_mem): Likewise.
18356 (mark_const_hash_entry): New.
18357 (mark_pool_sym_hash_table): New.
18358 (mark_varasm_state): Use it.
18359 (init_varasm_once): New.
18361 * expr.h (init_one_libfunc): Declare.
18362 * optabs.c (init_one_libfunc): New.
18363 (init_optabs): Use it.
18364 * config/gofast.h: Likewise.
18365 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
18366 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
18368 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18370 * Makefile.in (cppexp.o): Depend on cpphash.h.
18371 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
18373 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
18374 * cpplib.c (do_define): Generalise to handle poisoned definitions,
18375 redefining poisoned identifiers, etc.
18376 (do_undef): Don't allow poisoned identifiers to be undefined.
18377 (do_pragma): Add #pragma poison.
18378 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
18380 * cccp.c: Add T_POISON node type.
18381 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
18383 (do_define): Generalise to handle poisoned definitions,
18384 redefining poisoned identifiers, etc.
18385 (do_undef): Don't allow poisoned identifiers to be undefined.
18386 (do_pragma): Add #pragma poison.
18387 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
18389 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
18390 * c-pragma.h: Add ps_poison state. We now always have generic
18393 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
18395 * ggc.h (ggc_alloc): New function.
18396 (ggc_mark): Likewise.
18397 * ggc-simple.c (ggc_any): New structure.
18398 (ggc_status): Add anys.
18399 (n_anys_collected): New variable.
18400 (ggc_alloc): Define.
18401 (ggc_mark): Likewise.
18402 (ggc_collect): Collect the anys.
18404 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18406 * c-decl.c (mark_binding_level): Make static to match prototype.
18408 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
18410 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
18412 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
18414 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
18415 will use into account. Expand the max width to 5.
18418 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
18420 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
18421 for the rtx length.
18423 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
18425 * alpha.md (call value patterns): Remove the result predicates.
18427 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
18429 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
18432 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18434 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
18435 changed from extern char *, to extern PTR. Also fix typo in
18436 NEED_DECLARATION_REALLOC test.
18438 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
18440 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18442 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
18443 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
18444 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
18445 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
18447 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
18449 * cccp.c (pcfinclude): Likewise.
18451 * global.c (allocno_compare): Likewise.
18453 * haifa-sched.c (rank_for_schedule): Likewise.
18455 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
18457 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
18459 * stupid.c (stupid_reg_compare): Likewise.
18461 * tree.c (_obstack_allocated_p): Likewise.
18463 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
18465 1999-09-08 Bruce Korb autogen@linuxbox.com
18467 * Makefile.in: Give the hapless gperf user a hint about
18468 why "gperf -F" fails.
18470 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
18472 * lists.c: Include ggc.h.
18474 (init_EXPR_INSN_LIST_cache): Install it.
18476 * ggc-simple.c (init_ggc): Absorb the old init.
18477 (ggc_push_context): Use xcalloc.
18478 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
18479 (ggc_collect): Add [rvts] tags to the collection stats.
18481 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
18483 * cccp.c (main): Fix handling of -include and -imacros options.
18485 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
18487 * cpplib.c (cpp_push_buffer): Fix order of arguments.
18489 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
18491 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
18494 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
18496 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
18497 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
18498 and SET_DEST. Update comment.
18500 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18502 * config/c4x/c4x.c: Include ggc.h.
18503 (c4x_add_gc_roots): New function.
18504 (c4x_override_options): Call c4x_add_gc_roots.
18506 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
18508 * defaults.h (TARGET_ESC): Move ...
18509 * system.h: ... here, where Linas had it in the first place. Silly me.
18511 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
18513 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
18514 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
18515 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
18516 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
18517 * defaults.h (TARGET_ESC): Add default.
18519 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
18521 * configure.in: add i370-*-openedition, i370-*-mvs and
18522 i370-*-linux targets
18524 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
18526 * dsp16xxx.c: Include ggc.h
18527 (override_options): Mark GC roots.
18528 * mn10200.c: Include ggc.h.
18529 (asm_file_start): Mark GC roots.
18530 * tahoe.c: Include ggc.h.
18531 (extensible_operand): Mark GC roots.
18533 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
18535 * README: Add section discussing status of ELF ABI.
18536 * i370.c: Fix misc spelling mistakes.
18537 (i370_label_scan): Updated notes, exception handling.
18538 (i370_function_prolog): Simplify ELF stack handling.
18539 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
18540 (STACK_GROWS_DOWNWARD): ELF stack grows down.
18541 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
18542 * i370.md: (movdi): Add notes.
18543 (floatsidf2): Use stack not rtca for scratch float area.
18544 (iorsi3): Correct operand constraints.
18545 * x-oe: Restore TAROUTOPTS which are used by pax.
18547 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
18549 * rs6000.c: Include ggc.h.
18550 (rs6000_add_gc_roots): New function.
18551 (override_options): Call it.
18553 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
18555 * alpha.h (alpha_compare): New.
18556 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
18557 * alpha.c: Likewise for the definitions.
18558 (alpha_emit_conditional_branch): Update for alpha_compare.
18559 (alpha_emit_conditional_move): Likewise.
18560 * alpha.md (cmpdf, cmpdi): Likewise.
18561 (setcc patterns): Likewise. Zero alpha_compare after use.
18562 (sne): Optimize (x != 0) into (0U < x).
18564 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
18566 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
18567 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
18568 (INIT_EXPANDERS): Remove.
18569 * alpha.c: Include ggc.h.
18570 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
18571 (alpha_init_machine_status, alpha_mark_machine_status): New.
18572 (override_options): Install them.
18573 (struct machine_function): Moved to alpha.h.
18574 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
18575 (alpha_init_expanders): Remove.
18576 (alpha_return_addr): Adjust to use current_function->machine.
18577 (alpha_ra_ever_killed): Likewise.
18578 (alpha_expand_epilogue): Likewise.
18579 * alpha.md (eh_epilogue): Likewise.
18581 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
18582 Melissa O'Neill <oneill@cs.sfu.ca>
18583 Geoffrey Keating <geoffk@cygnus.com>
18585 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
18586 call-used registers (call-saved registers must still be contiguous
18587 and end with r31, of course).
18589 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
18591 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
18592 (self_promoting_type_p): Delete.
18593 (self_promoting_args_p): Move ...
18594 * c-common.c: ... here.
18595 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
18596 (simple_type_promotes_to): New.
18597 * builtins.c (lang_type_promotes_to): New.
18598 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
18599 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
18600 * c-common.h: ... here.
18601 (self_promoting_args_p, simple_type_promotes_to): Declare.
18602 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
18603 (grokdeclarator): Likewise.
18604 * tree.h (lang_type_promotes_to): Declare.
18606 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
18608 Add some machine-dependent GC roots.
18609 * sparc.c: Include ggc.h.
18610 (sparc_add_gc_roots): New function.
18611 (mark_ultrasparc_pipeline_state): Likewise.
18612 (override_options): Call sparc_add_gc_roots.
18613 * pa.c: Include ggc.h.
18614 (pa_add_gc_roots): New function.
18615 (mark_deferred_plabels): Likewise.
18616 (override_options): Call pa_add_gc_roots.
18617 * mips.c: Include ggc.h.
18618 (mips_add_gc_roots): New function.
18619 (override_options): Use it.
18621 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18623 * cpperror.c (cpp_file_line_for_message): Constify a char*.
18625 * cppexp.c (parse_number, parse_charconst, cpp_lex,
18626 cpp_parse_expr): Add static prototypes.
18627 (parse_charconst): Don't cast away const-ness.
18628 (token): Constify a char*.
18630 * cppfiles.c (file_name_list, include_hash, find_include_file,
18631 finclude, initialize_input_buffer): Constify a char*.
18632 (file_cleanup, find_position): Add static prototypes.
18634 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
18635 collect_expansion): Add static prototypes.
18636 (cpp_install, create_definition, monthnames): Constify a char*.
18638 * cpphash.h (cpp_install): Likewise.
18640 * cppinit.c (known_suffixes, default_include,
18641 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
18642 (base_name, dump_special_to_buffer, initialize_dependency_output):
18643 Add static prototypes.
18645 * cpplib.c (my_strerror): Constify a char*.
18646 (null_underflow, null_cleanup, skip_comment, copy_comment,
18647 copy_rest_of_line, handle_directive, pass_thru_directive,
18648 get_directive_token, read_line_number, cpp_print_file_and_line,
18649 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
18650 v_cpp_warning_with_line, detect_if_not_defined,
18651 consider_directive_while_skipping): Add static prototypes.
18652 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
18653 cpp_pedwarn_with_file_and_line): Constify a char*.
18655 * cpplib.h (cpp_options, include_hash, progname, definition,
18656 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
18657 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
18658 find_include_file, deps_output, include_hash): Constify a char*.
18660 * cppmain.c (progname): Constify.
18661 (main): Add prototype. Use return, not exit.
18663 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
18664 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
18665 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
18666 check_protection): Add static prototype.
18668 (progname, recognized_macrom, recognized_extern): Constify a char*.
18669 (main): Add prototype.
18671 * gen-protos.c (progname): Constify a char*.
18673 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
18675 * emit-rtl.c (free_emit_status): Take decl as a parameter.
18676 (init_emit_once): Add more GC roots.
18677 * except.c (mark_func_eh_entry): New function.
18678 (mark_eh_node): Mark false_label and rethrow_label.
18679 (init_eh): Add more GC roots.
18680 * function.c (free_after_compilation): Take decl as a paramter.
18681 Call free_stmt_status.
18682 (mark_function_state): Don't assume x_parm_reg_stack_loc is
18684 * function.h (free_after_compilation): Change prototype.
18685 (free_varasm_status): Likewise.
18686 (free_emit_status): Likewise.
18687 (free_stmt_status): New function.
18688 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
18689 Remove, replacing with ...
18690 (ggc_status): New structure.
18691 (ggc_chain): New variable.
18692 (init_gcc): Define.
18693 (ggc_push_context): New function.
18694 (ggc_pop_context): Likewise.
18695 (ggc_alloc_rtx): Adjust for use of ggc_chain.
18696 (ggc_alloc_rtvec): Likewise.
18697 (ggc_alloc_tree): Likewise.
18698 (ggc_alloc_string): Likewise.
18699 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
18700 (ggc_mark_tree): Give language-dependent code a chance to mark
18702 (ggc_mark_tree_varray): Handle empty arrays.
18703 (ggc_collect): Adjust for use of ggc_chain. Clear
18704 bytes_alloced_since_last_gc.
18705 * ggc.h (ggc_pop_context): New function.
18706 (ggc_push_context): Likewise.
18707 * print-tree.c (print_node): Don't print obstacks when GC'ing.
18708 * stmt.c (free_stmt_status): New function.
18709 (init_stmt_for_function): Clear last_expr_value.
18710 * toplev.c (rest_of_compilation): Always call free_after_compilation.
18711 Conditionalize call to ggc_collect.
18712 (main): Call init_ggc.
18713 * tree.c (push_obstacks): Do the push, even when GC'ing.
18714 (push_obstacks_nochange): Likewise.
18715 (pop_obstacks): Liekwise.
18716 * varasm.c (free_varasm_status): Take decl as a parameter.
18718 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
18720 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
18721 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
18722 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
18723 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
18725 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
18727 * pa/x-pa-mpeix: New file for the MPE port.
18729 * pa/quadlib.asm: New file for long double support.
18731 * configure.in: Add hppa1.0-*-mpeix for MPE port.
18732 * configure: Rebuilt.
18734 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
18736 * final.c (shorten_branches): Fix last change.
18738 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
18740 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
18742 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
18744 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
18747 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18749 * c-aux-info.c (concat): Don't define.
18751 * cccp.c (my_strerror): Likewise. All callers changed to use
18753 (do_include): Call xstrdup, not xmalloc/strcpy.
18754 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
18755 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
18757 * collect2.c (my_strsignal): Likewise. All callers changed to use
18759 (locatelib): Call xstrdup, not xmalloc/strcpy.
18761 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
18763 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
18765 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
18767 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
18769 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
18771 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
18773 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
18775 (find_all_handler_type_matches): Likewise. Don't check return
18777 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
18778 xmalloc, not malloc.
18779 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
18781 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
18782 (init_spec): Call xcalloc, not xmalloc/bzero.
18783 (set_spec): Call xstrdup, not save_string.
18784 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
18785 (find_a_file): Call xstrdup, not xmalloc/strcpy.
18786 (process_command): Call xstrdup, not save_string.
18787 (main): Call xcalloc, not xmalloc/bzero.
18789 * gcov.c (xmalloc): Don't define.
18790 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
18791 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
18792 (output_data): Call xcalloc, not xmalloc/bzero.
18794 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
18796 * mips-tdump.c (xmalloc): Don't define.
18797 (print_symbol): Call xmalloc, not malloc.
18798 (read_tfile): Call xcalloc, not calloc.
18800 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
18801 Don't define. All callers of xfree/my_strsignal changed to use
18802 free/strsignal instead.
18803 (allocate_cluster): Call xcalloc, not calloc.
18805 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
18806 Fix memory leak, free allocated memory.
18808 * prefix.c (translate_name): Call xstrdup, not save_string.
18809 (update_path): Likewise.
18811 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
18813 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
18814 Don't define. Callers of xfree/savestring2 changed to use
18815 free/concat instead.
18817 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
18818 (init_elim_table): Likewise.
18820 * resource.c (init_resource_info): Likewise.
18822 * stupid.c (stupid_life_analysis): Likewise.
18824 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
18825 (open_dump_file): Call concat, not xmalloc/strcpy/...
18826 (clean_dump_file): Likewise.
18827 (compile_file): Call xstrdup, not xmalloc/strcpy.
18829 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
18831 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
18832 * v850.c (v850_va_arg): New.
18834 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18836 * haifa-sched.c: Tidy comments.
18838 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18840 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
18841 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
18842 $(out_object_file)): Depend on ggc.h.
18843 * c-common.c: Include "ggc.h".
18844 (combine_strings): If doing GC, use ggc_alloc_string.
18845 * c-decl.c: Include "ggc.h".
18846 (ggc_p): Define with value 0.
18847 (mark_binding_level): New function.
18848 (init_decl_processing): Add GC roots.
18849 (mark_c_function_context): New function.
18850 (lang_mark_false_label_stack): New function.
18851 (lang_mark_tree): New function.
18852 (lang_cleanup_tree): New function.
18853 * c-lang.c: Include "ggc.h".
18854 (lang_init): Call c_parse_init.
18855 * c-lex.c: Include "ggc.h".
18856 (check_linenum): If doing GC, don't copy filenames to permanent
18858 * c-parse.in: Include "ggc.h".
18859 (c_parse_init): New function.
18860 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
18861 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
18863 * except.c (mark_eh_state): Mark more state.
18864 * function.c (mark_function_state): Likewise.
18865 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
18866 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
18867 * toplev.c (mark_file_stack): New function.
18868 (compile_file): If doing GC, use ggc_alloc_string on input filename.
18869 (main): Add root for input_file_stack.
18871 * i386.c: Include "ggc.h".
18872 (ix86_mark_machine_status): New function.
18873 (override_options): Set mark_machine_status.
18875 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18877 * tree.c (copy_node): Copy node contents also if doing GC.
18879 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
18881 * collect2.c (scan_libraries): Fix double-thinko :-).
18883 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
18885 * collect2.c (scan_libraries): Fix thinko.
18887 * cse.c (delete_trivially_dead_insns): Do not skip the last
18888 insn if it is a real insn.
18890 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
18892 * Makefile.in (ggc-simple.o): Depend on hash.h.
18893 * ggc.h (ggc_add_tree_hash_table_root): Declare.
18894 (ggc_mark_tree_varray): Likewise.
18895 (ggc_mark_tree_hash_table): Likewise.
18896 * ggc-simple.c: Include hash.h.
18897 (ggc_mark_tree_hash_table_ptr): New function.
18898 (ggc_mark_tree_hash_table_entry): Likewise.
18899 (ggc_mark_tree_hash_table): Likewise.
18900 (ggc_add_tree_hash_table_root): Likewise.
18901 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
18902 rtx, when defining fields.
18904 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
18906 * profile.c (output_func_start_profiler): Remove apparently
18907 nonsensical call to start_sequence.
18909 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
18911 * clipper/clipper.c (clipper_va_start): Fix typos.
18913 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
18914 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
18915 (spur_va_arg): New stub.
18917 * configure.in: Comment out pyramid.
18919 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
18921 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
18922 don't conflict with the bits that win32, cygwin, and dgux
18925 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
18926 Bernd Schmidt <bernds@cygnus.co.uk>
18928 * integrate.c (function_cannot_inline_p): Do not inline
18929 functions with forced labels.
18931 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
18932 Bernd Schmidt <bernds@cygnus.co.uk>
18933 Mark Mitchell <mark@codesourcery.com>
18935 * Makefile.in (ggc-simple.o): Depend on varray.h.
18936 (rtl.o): Depend on ggc.h.
18937 (genattrtab.o): Depend on ggc.h.
18938 (print-tree.o): Likewise.
18939 (fold-const.o): Likewise.
18940 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
18941 (make_insn_raw): Don't cache insns when GC'ing.
18942 (emit_insn_before): Likewise.
18943 (emit_insn_after): Likewise.
18944 (emit_insn): Likewise.
18945 (start_sequence): Use xmalloc to allocate the sequence_stack.
18946 (end_sequence): Add free to free it.
18947 (gen_sequence): Don't cache insns when GC'ing.
18948 (clear_emit_caches): Don't use sequence_element_free_list.
18949 (init_emit): Use xcalloc, not xmalloc+bzero.
18950 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
18951 * function.c (pop_function_context_from): Use free to free the
18952 fixup_var_refs_queue.
18953 (put_reg_into_stack): Allocate it with xmalloc.
18954 * genattrtab.c: Include ggc.h.
18955 (operate_exp): Don't use obstack_free when GC'ing.
18956 (simplify_cond): Likewise.
18957 (simplify_text_exp): Likewise.
18958 (optimize_attrs): Likewise.
18959 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
18961 (gencode): Generate a #include for ggc.h.
18962 * ggc-callbacks.c (ggc_p): Define it to zero.
18963 * ggc-none.c (ggc_p): Likewise.
18964 * ggc-simple.c: Include varray.h.
18965 (ggc_mark_tree_varray): New function.
18966 (ggc_add_tree_varray_root): Likewise.
18967 (ggc_mark_tree_varray_ptr): Likewise.
18968 * ggc.h (ggc_p): Declare.
18969 (varray_head_tag): Likewise.
18970 (ggc_add_tree_varray_root): Declare.
18971 * print-tree.c (print_node): Don't check for TREE_PERMANENT
18972 inconsistencies when GC'ing.
18973 * rtl.c: Include ggc.h.
18974 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
18975 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
18976 (rtx_free): Don't call obstack_free when GC'ing.
18977 * toplev.c (rest_of_compilation): Call ggc_collect after every
18979 * tree.c (push_obstacks): Do nothing, if GC'ing.
18980 (pop_obstacks_nochange): Likewise.
18981 (pop_obstacks): Likewise.
18982 (make_node): Use ggc_alloc_tree when GC'ing.
18983 (copy_node): Likewise.
18984 (get_identifier): Use ggc_alloc_string when GC'ing.
18985 (build_string): Likewise.
18986 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
18987 (tree_cons): Likewise.
18988 (build1): Likewise.
18989 (type_hash_canon): Don't call obstack_free when GC'ing.
18991 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
18993 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
18994 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
18996 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
18997 Bernd Schmidt <bernds@cygnus.co.uk>
18998 Mark Mitchell <mark@codesourcery.com>
19000 * Makefile.in (stor-layout.o): Depend on ggc.h.
19001 (expr.o): Depend on ggc.h.
19002 (profile.o): Depend on ggc.h.
19003 (stor-layout.o): Depend on ggc.h.
19004 * emit-rtl.c (init_emit_once): Add gc roots.
19005 * expr.c: Include ggc.h.
19006 (emit_block_move): Add gc roots.
19007 (clear_storage): Likewise.
19008 * expr.h (init_stor_layout_once): New function.
19009 * profile.c: Include ggc.h.
19010 (init_arc_profiler): profiler_label is a root.
19011 * scan.c (make_sstring_space): Trust xrealloc to function
19012 correctly with first parameter NULL.
19013 * stor-layout.c: Include ggc.h.
19014 (set_sizetype): Add gc root.
19015 (init_stor_layout_once): New function.
19016 * toplev.c (compile_file): Call it.
19018 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
19019 Bernd Schmidt <bernds@cygnus.co.uk>
19020 Mark Mitchell <mark@codesourcery.com>
19022 * Makefile.in (tree.o): Depend on ggc.h.
19023 (varasm.o): Likewise.
19024 (function.o): Likewise.
19025 (stmt.o): Likewise.
19026 (except.o): Likewise.
19027 (optabs.o): Likewise.
19028 (emit-rtl.o): Likewise.
19029 * emit-rtl.c: Include ggc.h.
19030 (sequence_element_free_list): Remove, and all references.
19031 (mark_sequence): New functions.
19032 (mark_emit_state): New function.
19033 * except.c: Include ggc.h.
19034 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
19035 (mark_tree_label_node): New functions.
19036 (mark_eh_state): New function.
19037 * function.c: Include ggc.h.
19038 (mark_temp_slot, mark_function_chain): New functions.
19039 (mark_function_state): New function.
19040 (init_function_once): New function.
19041 * function.h (init_function_once): New function.
19042 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
19043 * ggc.h (label_node): Declare.
19044 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
19045 (lang_mark_false_label_stack): New function.
19046 (mark_temp_slot): Remove declaration.
19047 (mark_function_chain): Likewise.
19048 (mark_eh_state): Adjust prototype.
19049 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
19051 * optabs.c: Include ggc.h.
19052 (mark_optab): New function.
19053 (init_optabs): Add gc roots.
19054 * stmt.c: Include ggc.h.
19055 (mark_cond_nesting, mark_loop_nesting): New functions.
19056 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
19057 (mark_stmt_state): New function.
19058 * toplev.c (compile_file): Call init_function_once.
19059 * tree.c: Include ggc.h.
19060 (type_hash): Move declaration earlier in file.
19061 (TYPE_HASH_SIZE, type_hash_table): Likewise.
19062 (init_obstacks): Add gc roots.
19063 (mark_type_hash): New function.
19064 * varasm.c: Include ggc.h.
19065 (mark_pool_constant): New function.
19066 (mark_varasm_state): New function.
19068 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19070 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
19072 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19074 * c-decl.c (struct language_function): Renamed from struct c_function.
19076 (c_function_chain): Delete.
19077 (push_c_function_context): New arg F. Don't warn about nested
19078 functions here. Fill LANGUAGE elt of F. Delete code to update
19079 c_function_chain. Don't call push_function_context.
19080 (pop_c_function_context): New arg F. Restore from there instead of
19081 from c_function_chain. Don't call pop_function_context. Clear out
19082 LANGUAGE field of F when done.
19083 * c-lang.c: Include "function.h"
19084 (lang_init): Initialize save_lang_status and restore_lang_status.
19085 * c-parse.in (nested_function, nested_function_notype): Warn about
19086 nested functions. Call push_function_context/pop_function_context
19087 instead of the _c_ variants.
19088 * c-tree.h (push_c_function_context, pop_c_function_context): Update
19090 * Makefile.in (c-lang.o): Update dependencies.
19092 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
19093 regno_pointer_flag, regno_pointer_align.
19094 (gen_reg_rtx): Use xrealloc to enlarge them.
19095 (free_emit_status): New function.
19096 * function.c (mark_machine_status, mark_lang_status): New variables.
19097 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
19098 in some bits from assign_stack_local. All callers changed to use new
19100 (assign_stack_local): Just call assign_stack_local_1.
19101 (free_after_compilation): New function.
19102 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
19103 (trampoline_address): Likewise.
19104 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
19105 (prepare_function_start): Explicitly clear some more variables.
19106 * function.h (struct function): New elt can_garbage_collect.
19107 (mark_machine_status, mark_lang_status): Declare variables.
19108 (free_after_compilation, free_emit_status, free_varasm_status,
19109 init_varasm_status): Declare functions.
19110 * toplev.c (rest_of_compilation): Call free_after_compilation when
19111 done with the current function.
19112 * varasm.c (free_varasm_status): New function.
19114 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
19116 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
19117 (EXPAND_BUILTIN_VA_ARG): Define.
19118 * sparc.c (sparc_va_start): New.
19119 (sparc_va_arg): New.
19121 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19123 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
19125 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19127 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
19129 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
19131 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
19132 (OBJS): Add $(GGC).
19133 (ggc-callbacks.o): New target.
19134 * ggc-callbacks.c: New file.
19136 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19138 * expr.h: Collapse individual optab and libfunc vars to arrays.
19139 (optab_index, libfunc_index): New enumerations.
19140 (optab_table, libfunc_table): New arrays.
19141 Add accessor macros for both.
19143 * optabs.c (optab_table, libfunc_table): New.
19144 Delete declarations for individual optab and libfunc vars.
19146 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
19148 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
19150 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
19152 * Makefile.in (GGC, GGC_LIB): New.
19153 (HOST_RTL): Include ggc-none.o.
19154 (ggc-simple.o): New target.
19155 (ggc-none.o): Likewise.
19156 * tree.h (tree_common): Add gc_mark.
19157 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
19158 (struct rtvec_def): Add gc_mark.
19159 * emit-rtl.c (global_rtl): Update static initializers to contain
19160 enough initializers.
19161 * ggc.h, ggc-none.c, ggc-simple.c: New files.
19162 * toplev.c (gc_time): New variable.
19163 (all_time): New variable.
19164 (compile_file): Print gc time.
19165 (print_time): Calculate percentage of the whole.
19167 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19169 Change obstack memory management and varasm constant pool handling so
19170 that nested functions are treated like any other functions.
19171 * function.c (init_machine_status): New variable.
19172 (push_function_context_to): Set contains_functions for the outer
19173 function. Don't call save_varasm_status.
19174 (pop_function_context_from): Don't call restore_varasm_status. Don't
19175 set current_function_contains_functions.
19176 (prepare_function_start): Call init_varasm_status rather than
19177 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
19179 * function.h (struct function) Add field varasm. Delete fields
19180 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
19181 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
19182 (init_machine_status): Declare.
19183 (save_varasm_status, restore_varasm_status): Delete declarations.
19184 (save_tree_status, restore_tree_status): Delete last argument.
19185 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
19186 code. All callers changed.
19187 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
19188 save_constants_in_decl_trees, restore_constants, save_constants,
19189 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
19191 (inlining): New variable.
19192 (reg_map, label_map, insn_map, orig_asm_operands_vector,
19193 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
19195 (save_for_inline_nocopy): Don't save constants.
19196 Don't set inl_emit field in current_function.
19197 (expand_inline_function): Use emit field, not inl_emit, of the inlined
19198 function. Set new variable inlining before
19199 calling copy_rtx_and_substitute.
19200 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
19201 constant pool references if inlining is nonzero.
19202 Delete ADDRESS and (most of the) CONST cases.
19203 (output_inline_function): Save and restore current_function/
19204 current_function_decl. Delete restore_constants code. Don't call
19205 init_const_rtx_hash_table.
19206 * output.h (init_const_rtx_hash_table): Don't declare.
19207 * rtl.h (struct function): Declare.
19208 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
19209 * toplev.c (rest_of_compilation): Don't treat nested functions or
19210 functions containing them specially. Delete all code to deal with
19211 save_for_inline_copying.
19212 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
19213 inline_obstacks): Delete variables.
19214 (save_tree_status): Lose arg CONTEXT. All callers changed.
19215 Simply allocate a new function_maybepermanent_obstack for the new
19216 function, delete all the special cases.
19217 Don't save inline_obstacks.
19218 (restore_tree_status): Lose arg CONTEXT. All callers changed.
19219 Delete special handling for function_maybepermanent_obstack; simply
19221 Don't restore inline_obstacks.
19222 (permanent_allocation): Delete code that frees inline_obstacks.
19223 (print_inline_obstack_statistics): Delete function.
19224 (dump_tree_statistics): Don't call it.
19225 * varasm.c (struct varasm_status): New.
19226 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
19227 last_pool, pool_offset, const_double_chain): Delete global
19228 variables, replace with accessor macros.
19229 (immed_double_const): Don't walk const_double_chain outside a
19230 function, but don't treat nested functions specially anymore.
19231 (immed_real_const_1): Likewise.
19232 (clear_const_double_mem): Don't treat nested functions specially.
19233 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
19234 (save_varasm_status, restore_varasm_status): Delete functions.
19235 (init_varasm_status): New function.
19236 (force_const_mem): Don't treat nested functions specially.
19237 (find_pool_constant): Accept new arg F, search for constants in
19238 that function's pool rather than the current one. All callers
19240 (get_pool_constant_for_function, get_pool_mode_for_function): New
19243 * i386.c (init_386_machine_status): New function, mostly from
19244 clear_386_stack_locals.
19245 (struct machine_functions): Rename element names to avoid name
19247 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
19248 macros, replacing global variables.
19249 (clear_386_stack_locals, save_386_machine_status,
19250 restore_386_machine_status): Delete functions.
19251 (override_options): Initialize init_machine_status.
19252 * i386.h (INIT_EXPANDERS): Delete macro.
19253 (save_386_machine_status, restore_386_machine_status,
19254 clear_386_stack_locals): Delete declarations.
19256 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19258 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
19259 (doloop_begin): Simplify pattern and use emit_jump_insn.
19260 (doloop_end): Simplify pattern, switch operand order,
19261 and use emit_jump_insn.
19263 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
19265 * function.h (struct function): Add new element LANGUAGE.
19266 (save_lang_status): Declare new variable.
19267 (restore_lang_status): Likewise.
19268 * function.c (save_lang_status): Define.
19269 (restore_lang_status): Likewise.
19270 (push_function_context_to): Call language-specific save function.
19271 (pop_function_context_from): Call language-specific restore function.
19273 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19275 * i386.md (movsf_1): Check REG_P before use of REGNO.
19276 (movdf_1): Likewise.
19277 (movxf_1): Likewise.
19278 (extendsfdf2): Likewise.
19279 (extendsfxf2): Likewise.
19280 (extenddfxf2): Likewise.
19282 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19284 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
19285 constants into memory.
19286 (c4x_shiftable_constant): New function.
19287 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
19288 (c4x_shiftable_constant): Declare.
19289 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
19290 ashlqi3_noclobber): Add new patterns and associated splitters.
19292 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
19294 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
19295 * dwarf2out.c (dwarf2out_frame_init): Likewise.
19296 * final.c (shorten_branches): Likewise.
19297 * global.c (global_alloc): Likewise.
19298 * haifa-sched.c (build_control_flow): Likewise.
19299 * stmt.c (check_for_full_enumeration_handling): Likewise.
19300 (estimate_case_costs): Likewise.
19302 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
19304 * rtl.h (RTL_CHECKC2): Fix typo in last change.
19306 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
19308 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
19309 (recompute_reg_usage): Likewise.
19310 * rtlanal.c (find_regno_fusage): Likewise.
19312 * rtl.c (rtl_check_failed_code1): New function.
19313 (rtl_check_failed_code2): New.
19314 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
19315 (RTL_CHECKC1, RTL_CHECKC2): New.
19316 (XC*): New accessor macros.
19317 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
19318 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
19319 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
19320 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
19321 (TRAP_*, RANGE_INFO_*): Likewise.
19323 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19325 * Makefile.in (tlink.o): Don't depend on toplev.h.
19327 * collect2.c (c_file, o_file, export_file, import_file, ldout,
19328 output_file, nm_file_name, ldd_file_name, strip_file_name,
19329 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
19330 add_prefix, prefix_from_env, prefix_from_string, do_wait,
19331 fork_execute, maybe_unlink, add_to_list,
19332 extract_init_priority, write_list, dump_list,
19333 dump_prefix_list, write_list_with_asm, write_c_file,
19334 write_c_file_stat, write_c_file_glob, scan_prog_file,
19335 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
19336 ignore_library, extract_string, notice, dump_file, target_machine,
19337 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
19338 read_file, print_load_command): Constify a char*.
19339 (fdopen, error, fatal, fatal_perror): Don't prototype.
19340 (my_strerror): Remove. All callers use xstrerror instead.
19341 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
19342 (main): Add prototype. Constify lots of char* ptrs. Change calls
19343 to xcalloc/strcpy/strcat/... to one call to concat.
19344 (main, scan_prog_file, scan_libraries): Use an intermediate
19345 `const char **' to build an argv array.
19346 (mapfile, libselect, libcompare, locatelib): Add prototypes.
19348 * collect2.h (collect_execute, collect_wait, dump_file,
19349 file_exists): Constify a char*.
19350 (ldout, c_file_name, temporary_obstack, permanent_obstack,
19351 temporary_firstobj, vflag, debug): Add extern declarations.
19352 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
19354 * tlink.c: Don't include toplev.h.
19355 (vflag, debug, ldout, c_file_name, temporary_obstack,
19356 permanent_obstack, temporary_firstobj): Don't declare.
19357 (tlink_execute, frob_extension, symbol_hash_lookup,
19358 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
19359 recompile_files, read_repo_files, demangle_new_symbols,
19360 scan_linker_output): Constify a char*.
19361 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
19362 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
19364 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
19366 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
19367 (relative) rather than jsr (absolute) subroutine call insns.
19368 * config/m68k/m68k-coff.h: Ditto.
19370 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
19372 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
19373 now rework these too.
19374 (arm_reorg): If an insn can't reach the end of the current pool,
19375 ensure that we emit that pool before the insn.
19377 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
19379 * tlink.c (scan_linker_output): Skip the initial underscore in
19380 a mangled name if appropriate.
19382 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19384 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
19385 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
19386 error_with_ivar, gen_declarator, create_builtin_decl,
19387 my_build_string, generate_descriptor_table, generate_ivars_list,
19388 generate_dispatch_table, check_protocols, TAG_GETCLASS,
19389 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
19390 dump_base_name, lang_decode_option, build_encode_expr,
19391 start_class, finish_class, encode_pointer, really_start_method,
19392 gen_declaration, dump_interface, handle_class_ref, handle_impent):
19394 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
19395 Add static prototypes.
19396 (build_objc_string_decl, build_selector_reference_decl,
19397 encode_bitfield, build_class_reference_decl): Remove unused
19398 parameter, all callers changed.
19399 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
19400 (objc_printable_name): Likewise. Change second parameter to type int.
19401 (init_objc): Use memcpy, not bcopy, to avoid casts.
19403 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
19405 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
19406 reg notes on a deleted insn.
19407 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
19409 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
19411 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
19413 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19415 * stmt.c (expand_asm_operands): Fix index into inout_mode when
19418 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
19420 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
19421 * tm.texi (MD_ASM_CLOBBERS): Document it.
19423 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
19425 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
19426 * except.c (expand_rethrow): Remove unused variable.
19427 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
19428 * flow.c (replace_insns): Likewise.
19429 (create_edge_list, verify_edge_list): Likewise.
19430 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
19432 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
19433 is special code to run.
19434 (main): Don't define operands to emit_operand.
19435 * genrecog.c (main): Don't emit an empty peephole2_insn function.
19437 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
19439 * alpha/alpha.h (normal_memory_operand): Declare.
19440 (reg_no_subreg_operand): Declare.
19441 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
19443 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
19445 * c-parse.in (compstmt_primary_start): New, broken out of first
19446 part of compstmt handling in primary.
19447 (primary): Use it. Add an error clause.
19448 (compstmt_nostart): Renamed from compstmt; remove all
19449 initial invocations of compstmt_start.
19452 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
19454 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
19457 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
19459 * combine.c (simplify_shift_const): Remove extra semicolon.
19460 * dwarf2out.c (remove_AT): Likewise.
19461 * expmed.c (expand_mult): Likewise.
19462 * gcov.c (create_program_flow_graph): Likewise.
19463 * reorg.c (mostly_true_jump): Likewise.
19465 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
19467 * fold-const.c (fold_range_test): Do not try to fold the range
19468 test if the rhs or lhs has side effects.
19470 * combine.c (simplify_rtx): Recognize another case of a synthesized
19473 * varasm.c (mark_constant_pool): When marking indirect references,
19474 only look at SYMBOL_REFs.
19476 * except.c (expand_fixup_region_end): Do not peek at
19477 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
19479 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
19481 * flags.h: New variables align_loops, align_loops_log,
19482 align_jumps, align_jumps_log, align_labels, align_labels_log,
19483 align_functions, align_functions_log.
19484 * toplev.c: Define them.
19485 (f_options): Handle -falign-* when they have no argument.
19486 (main): Add logic to set variables for -falign-functions,
19487 -falign-jumps, -falign-labels, -falign-loops.
19488 Make it -fsched-verbose=<n> and -finline-limit=<n>.
19489 (display_help): Change help to match options.
19490 * final.c (LABEL_ALIGN): Default to align_labels_log.
19491 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
19492 (LOOP_ALIGN): Default to align_loops_log.
19493 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
19494 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
19495 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
19496 * varasm.c (assemble_start_function): Handle align_functions.
19498 * config/sparc/sparc.h: Don't declare sparc_align_*.
19499 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
19500 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
19502 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
19504 * config/sparc/sparc.c: Delete sparc_align_loops,
19505 sparc_align_jumps, sparc_align_funcs and the corresponding string
19507 (sparc_override_options): Default align_functions on ultrasparc.
19508 Delete -malign-* handling.
19510 * config/mips/mips.c (override_options): On 64-bit targets,
19511 try to align code to 64-bit boundaries.
19512 (print_operand): New substitution, %~,
19513 which aligns labels to align_labels_log.
19514 * config/mips/mips.md (div_trap_normal): Use %~.
19515 (div_trap_mips16): Likewise.
19517 (absdi2): Likewise.
19518 (ffssi2): Likewise.
19519 (ffsdi2): Likewise.
19520 (ashldi3_internal): Likewise.
19521 (ashrdi3_internal): Likewise.
19522 (lshrdi3_internal): Likewise.
19523 (casesi_internal): Likewise.
19525 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
19527 Merge new ia32 backend from the branch!
19529 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
19530 See ChangeLog.P2 on new_ia32_branch for details.
19532 * rtl.h (stack_regs_mentioned_p): Delete prototype.
19533 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
19534 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
19535 * i386/gas.h (ASM_FILE_START): Define.
19536 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
19537 for name change of ix86_valid_decl_attribute_p.
19538 (i386_pe_valid_type_attribute_p): Similarly.
19540 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
19542 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
19543 to step through CC modes.
19545 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19547 * regmove.c (fixup_match_1): Don't move INSN in front of P if
19548 it would end up in the shadow of a live flags regsiter.
19550 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19552 * reload1.c: Fix many indentation problems.
19553 * reload.c: Likewise.
19555 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
19557 * alias.c (non_local_reference_p): Constify fmt.
19559 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
19561 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
19563 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
19565 * cse.c (delete_trivially_dead_insns): Do not delete stores to
19566 the internal_arg_pointer.
19568 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
19570 Merge peephole2 from new_ia32_branch:
19571 * Makefile.in (STAGESTUFF): Add *.peephole2.
19572 (mostlyclean): Likewise.
19573 (recog.o): Depend on resource.h.
19575 * final.c (peephole): Conditionalize decl on HAVE_peephole.
19576 (final_scan_insn): Likewise for the invocation of peephole.
19577 * genconfig.c (main): Look for peephole and peephole2 patterns.
19578 Emit HAVE_peephole* accordingly.
19579 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
19580 * flags.h (flag_peephole2): Declare.
19581 * toplev.c: New pass peephole2. New flag -fpeephole2.
19583 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
19584 * gencodes.c (main): Likewise.
19585 * genextract.c (main): Likewise.
19586 * genoutput.c (main): Likewise.
19587 * genemit.c (max_operand_1): Look for the max scratch operand.
19588 (gen_rtx_scratch): New.
19589 (gen_exp): Use it, and pass on new arg subroutine_type.
19590 (gen_expand): Take max scratch into account.
19591 (gen_split): Emit peephole2 functions.
19592 (output_peephole2_scratch): New.
19593 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
19594 * genrecog.c (routine_type): Add PEEPHOLE2.
19596 (make_insn_sequence): Match outer parallel for peep2. Discard
19597 top level scratches and dups.
19598 (add_to_sequence): New args insn_type and top. Update all callers.
19599 Handle toplevel peep2 matching insns.
19600 (write_subroutine): Handle peep2.
19601 (write_tree_1): Likewise.
19602 (write_tree): Likewise.
19604 (change_state): New arg afterward. Update all callers.
19605 Handle matching separate insns.
19606 * recog.c (recog_next_insn): New.
19607 (peephole2_optimize): New.
19608 * rtl.def (DEFINE_PEEPHOLE2): New.
19609 * resource.c (find_free_register): New argument last_insn. Use it
19610 to find a register available through the entire span.
19611 * resource.h (find_free_register): Update prototype.
19613 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
19615 * i386.c (output_strlen_unroll): Don't write xops[7]
19616 label if it wasn't set.
19618 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
19620 * cpplib.c (struct directive): Const-ify name pointer and
19621 function pointer prototype.
19622 (validate_else, do_define, do_line, do_include, do_undef,
19623 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
19624 do_elif, do_endif, do_sccs, do_assert, do_unassert,
19625 do_warning): Const-ify second arg.
19626 (directive_table): Mark const. Reorder entries by frequency
19627 of usage, record statistics.
19629 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
19631 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
19632 bounds- check RTL accesses if --enable-checking.
19633 (RTVEC_ELT): Bounds check if --enable-checking.
19634 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
19635 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
19636 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
19638 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
19639 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
19641 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
19642 (NOTE_SOURCE_FILE): Use X0STR.
19643 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
19644 MEM_ALIAS_SET): Use X0INT.
19645 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
19646 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
19648 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
19649 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
19650 (rtl_check_failed_bounds, rtl_check_failed_type1,
19651 rtl_check_failed_type2, rtvec_check_failed_bounds): New
19653 (fancy_abort): Fix comment.
19655 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
19656 (cse_insn): Decrement LABEL_NUSES for jump target before
19657 deleting jump insn.
19658 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
19659 * final.c (alter_subreg): Compute regno before changing x to
19660 REG; set REGNO(x) after changing it.
19661 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
19662 notes containing CONST_INTs.
19663 (delete_eh_regions): Use NOTE_EH_HANDLER.
19664 * function.c (put_reg_into_stack): Make reg a MEM before
19666 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
19668 (gen_mem_addressof): Make reg a MEM before initializing it.
19669 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
19671 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
19672 deleting an insn, not after.
19673 (block_alloc): Only look at PATTERN(insn) if we have to, and
19674 only if it's format class 'i'.
19675 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
19676 CONST_INT before using its INTVAL.
19677 * print-rtl.c (print_rtx): Use X0STR.
19678 * regmove.c (fixup_match_1): Don't look at PATTERN of
19679 non-class-'i' insn chain elements.
19680 * reload.c (loc_mentioned_in_p): Take address of
19681 in->fld[1].rtx directly.
19682 * reload1.c (reload): Change reg to a MEM before initializing
19684 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
19686 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
19688 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
19690 * config/mips/mips.c (machine_dependent_reorg): Force a
19691 barrier to output the local constant pool if a barrier hasn't
19692 been found at a natural point in the instruction stream.
19694 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19696 * c-parse.in (language_string): Constify.
19698 * dwarf2out.c (language_string): Remove declaration.
19700 * dwarfout.c (language_string): Likewise.
19702 * toplev.c (language_string, init_parse, finish_parse): Likewise.
19704 * tree.h (language_string, init_parse, finish_parse): Declare.
19706 * i386/sun386.h (language_string): Remove declaration.
19708 * mips.h (language_string): Likewise.
19710 * nextstep.h (language_string): Likewise.
19712 * nextstep21.h (language_string): Likewise.
19714 * rs6000.c (language_string): Likewise.
19716 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19718 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
19719 (getpwd.o): Remove target.
19721 * getpwd.c: Delete file. Its in libiberty now.
19723 * dbxout.c (getpwd): Don't prototype.
19724 * dwarf2out.c (getpwd): Likewise
19725 * dwarfout.c (getpwd): Likewise
19726 * final.c (getpwd): Likewise.
19727 * protoize.c (getpwd): Likewise.
19729 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19731 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
19733 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
19735 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
19736 mark_set_resources.
19738 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
19740 * fixinc/Makefile.in (subdir): New.
19741 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
19744 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
19746 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
19747 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
19750 * invoke.texi: Fix typo.
19752 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
19753 changed. Handle autoincrement addressing modes.
19755 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
19756 just like we would the virtual incoming args register when
19759 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
19761 * rs6000.h (ASM_FILE_START): Specify complete filename, including
19762 path, in .file directive.
19764 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
19766 * gcc.texi (External Bugs): Remove obsolete note about Perl on
19769 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
19771 * stdbool.h: Make the typedef name _Bool, with bool a #defined
19774 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19776 * tree.c (tree_code_name): Constify a char*.
19778 * tree.h (tree_code_name, decl_printable_name): Likewise.
19780 * function.h (struct function): Likewise.
19782 * toplev.c (decl_name, decl_printable_name): Likewise.
19784 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
19786 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
19787 (init_objc): Remove function pointer cast.
19789 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
19791 * pa.md (interspace_jump): New pattern.
19792 (builtin_longjmp): New expander.
19794 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
19796 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
19797 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
19798 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
19800 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
19802 * jump.c (delete_prior_computation): Also check calls
19803 to constant functions. Don't bother checking for a
19804 REG_UNUSED note before adding it.
19805 (delete_computation): Handle multi-word hard registers
19806 when synthesizing missing REG_DEAD notes for a register
19807 which is both set and used by an insn.
19809 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19811 * loop.c (this_loop_info): New variable.
19812 (loop_has_call, loop_has_volatile, loop_has_tablejump,
19813 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
19815 (prescan_loop, strength_reduce): New argument loop_info. All callers
19817 (scan_loop): New variable loop_info, initialise to address of
19819 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
19820 Delete variable loop_has_multiple_exit targets and replace with
19821 field in this_loop_info.
19822 (find_and_verify_loops): Rename this_loop to this_loop_num.
19823 (strength_reduce): Delete loop_iteration_info. Replace variable
19824 loop_info with function argument of same name.
19825 (insert_bct): Rework test for loop being completely unrolled.
19827 * loop.h (struct loop_info): New fields num, loops_enclosed,
19828 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
19829 has_indirect_jump, and cont. Redefine use of unroll_number.
19830 (loop_unroll_number): Delete.
19832 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
19833 field of loop_info.
19834 (loop_iterations): Delete variable vtop and instead use
19835 loop_info->vtop computed in prescan_loop.
19837 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
19839 * fix-header.c (main): Do not pass a null pointer to strcmp.
19841 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
19843 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
19845 * configure: Rebuilt.
19847 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
19849 * jump.c (jump_optimize_1): Do not delete assignments to
19850 internal_arg_pointer.
19851 * cse.c (delete_trivially_dead_insns): Always consider a set of
19852 the internal_arg_pointer live.
19854 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
19856 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
19857 (update_life_info) [REG_WAS_0]: Search the original insns rather
19858 than the new insns for the note. Fix typos finding note_dest.
19859 If no dest found, discard the note rather than abort.
19860 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
19861 (replace_insns): Remove the old insn list after update_life_info
19864 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
19866 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
19867 sched_analyze_insn.
19868 (sched_analyze_1): Let add_dependence care for not adding dups.
19869 (sched_analyze_2): Likewise.
19870 (add_branch_dependences): Likewise.
19872 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
19874 * i386/winnt.c (export_list): New type.
19875 (exports_head): Rename to
19876 (export_head): this.
19877 (i386_pe_record_exported_symbol): Add is_data flag.
19878 (i386_pe_asm_file_end): Emit directive for exported variables.
19879 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
19881 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
19882 (ASM_DECLARE_OBJECT_NAME): Likewise.
19883 (ASM_DECLARE_FUNCTION_NAME): Likewise.
19884 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
19886 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
19888 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
19890 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
19893 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
19895 * config/openbsd.h: Define SET_ASM_OP.
19896 * tm.texi: cross-reference SET_ASM_OP in the index.
19898 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
19900 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
19901 for a CONST_DOUBLE, at compile time. Initialize rtx_length
19902 and class_narrowest_mode at compile time. Kill init_rtl.
19903 Mark rtx_length, mode_class, mode_size, mode_unit_size,
19904 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
19905 rtx_format as const. Kill all references to EXTRA_CC_MODES or
19907 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
19909 * rtl.h: Declare rtx_length and rtx_format as const.
19910 * machmode.def: Define CC(). Use CC() to define CCmode. If
19911 EXTRA_CC_MODES is defined, expand it here.
19912 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
19913 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
19914 const. Kill all references to EXTRA_CC_MODES.
19916 * toplev.c: Don't prototype or call init_rtl.
19917 * optabs.c: Don't call init_mov_optab.
19918 * genemit.c: Don't generate init_mov_optab. Don't call
19920 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
19922 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
19923 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
19924 genrecog.c: Don't call init_rtl.
19926 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
19927 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
19928 definition of EXTRA_CC_MODES.
19930 * md.texi: Kill ref to EXTRA_CC_NAMES.
19931 * tm.texi: Document new way to define EXTRA_CC_MODES.
19933 * genrecog.c: Do not look up the name of a define_split.
19934 (Unrelated bugfix.)
19936 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
19938 * config/v850/v850.md: Fix typo introduced by previous delta.
19940 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19942 * gcc.c (fatal): Make definition static to match prototype.
19944 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19946 * combine.c (get_last_value): Don't look for earlier sets if the last
19947 known set is somewhere in between the insns being combined.
19949 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
19951 * configure.in: Don't use shell ! to negate exit codes
19952 * configure: Regenerate
19954 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
19956 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
19957 the fact that ALIGN is measured in bits, not bytes.
19959 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
19961 * errors.c: New file; defines functions error, warning, and
19962 fatal, variables have_error and progname.
19963 * errors.h: New file; prototypes and decls for stuff in errors.c.
19965 * Makefile: Add rules to build errors.o and
19966 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
19967 genopinit, genrecog, genextract, genpeep, genattr, and
19968 genoutput with errors.o. Add errors.h to deps of genconfig.o,
19969 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
19970 genpeep.o, genattr.o, and genoutput.o.
19972 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
19973 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
19974 define or prototype fatal. Set progname at beginning of main.
19975 * genoutput.c: Likewise, and don't define or prototype error
19978 * c-typeck.c (c_expand_start_case): Return immediately if exp
19980 * fold-const.c (operand_equal_p): Return immediately if arg1
19981 or arg0 are ERROR_MARKs.
19982 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
19983 fields of type ERROR_MARK when calculating if the record can
19986 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
19987 with much help from Jeffrey A Law and Richard Henderson
19989 * i386.md: In the 6 insns which call output_fix_trunc,
19990 earlyclobber operands[0].
19992 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
19994 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
19995 creating new registers.
19997 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
19999 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
20000 i386_reg_alloc_order, i386_regparm_string,
20001 i386_align_loops_string, i386_align_jumps_string,
20002 i386_align_funcs_string, i386_preferred_stack_boundary_string,
20003 and i386_branch_cost_string as type "const char *".
20004 * i386.c: Define all above strings as type "const char *".
20006 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
20008 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
20009 when emitting alignment padding. Emit padding byte of 0 instead of 4.
20011 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
20013 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
20014 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
20016 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
20018 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
20019 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
20020 (dwarf2out_line, dwarf2out_finish): Likewise.
20021 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
20023 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
20025 * tree.c (lang_unsave_expr_now) : Correct return type.
20026 * tree.h (lang_unsave_expr_now) : Same.
20028 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
20030 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
20031 instead of duplicating code.
20033 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20035 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
20037 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
20039 * tree.h: fancy_abort always takes three args.
20040 * resource.c: Move include of system.h before toplev.h.
20042 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
20044 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
20047 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
20049 * system.h: Don't redefine abort or trim_filename.
20050 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
20051 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
20052 whether or not __FUNCTION__ is available.
20053 * tree.h: Duplicate rtl.h's definition of abort, for files
20054 that don't include rtl.h. Delete all code to perform type
20055 checking with a compiler other than GCC.
20056 * varray.h: Delete all code to perform type checking with a
20057 compiler other than GCC. Make VARRAY_CHECK() always evaluate
20058 its arguments exactly once, using a statement expression.
20059 Adjust the VARRAY_<type> accessor macros to match.
20060 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
20061 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
20062 caller's location. Define fatal_insn and fatal_insn_not_found
20063 as macros that use _fatal_insn and _fatal_insn_not_found.
20064 (fancy_abort, trim_filename): Kill prototypes.
20066 * rtl.c (trim_filename): Move here from toplev.c.
20067 (fancy_abort): New function.
20068 (DIR_SEPARATOR): Provide default definition.
20069 * tree.c (tree_check_failed, tree_class_check_failed): Go
20070 through fancy_abort.
20071 (tree_check, tree_class_check, cst_or_constructor_check,
20072 expr_check): Delete.
20073 * varray.c (varray_check_failed): New function.
20074 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
20075 _fatal_insn and _fatal_insn_not_found. Go through
20077 (trim_filename, fancy_abort): Delete.
20079 * builtins.c (expand_builtin_args_info): Report ICE with abort.
20080 * except.c (start_catch_handler): Report ICE with error/abort
20082 * final.c (output_operand_lossage): Likewise.
20083 * flow.c (verify_flow_info): Likewise.
20085 * gcc.c: Prototype fatal.
20086 * gengenrtl.c: Undef abort after including rtl.h not system.h.
20087 * genattr.c, genattrtab.c, genemit.c, genextract.c,
20088 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
20089 Don't define fancy_abort.
20091 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
20093 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
20096 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
20098 * m88k.h (VERSION_INFO2): Kill.
20099 (VERSION_STRING): Kill.
20101 (VERSION_INFO1): Tidy.
20102 (TARGET_VERSION): Update.
20103 * m88k/dgux.h (VERSION_INFO2): Kill.
20104 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
20105 * m88k/luna.h (VERSION_INFO1): Tidy.
20106 * m88k/sysv4.h (VERSION_INFO1): Likewise.
20107 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
20108 (output_file_start): Adjust for death of VERSION_STRING.
20110 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
20112 * cpplib.c (detect_if_not_defined): New function.
20113 (do_if): Use it to detect potential once-only headers.
20115 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
20117 * c-common.c (combine_strings): Always set TREE_CONSTANT.
20119 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
20121 * combine.c (nonzero_bits) : Allow single-ly set registers to be
20122 anywere in the function only if they are pseudos and set before
20123 being used (not live at the start of the function).
20124 (num_sign_bit_copies) : Same.
20125 (get_last_value_validate) : Same.
20126 (get_last_value) : Same.
20128 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
20130 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
20131 where N and M are constant and N is an integer multiple of M.
20133 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20135 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
20136 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
20137 sbitmap_union_of_preds): Add prototypes.
20138 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
20139 the intersection of successors with the new flow graph structures.
20140 (sbitmap_intersection_of_preds): New function to compute the
20141 intersection of predecessors with the new flow graph structures.
20142 (sbitmap_union_of_succs): New function to compute the union of
20143 successors with the new flow graph structures.
20144 (sbitmap_union_of_preds): New function to compute the union of
20145 predecessors with the new flow graph structures.
20146 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
20147 (expr_reaches_here_p): Use edge and basic_block structures instead
20148 of s_preds and s_succs.
20149 (compute_cprop_avinout): Use new sbitmap routines.
20150 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
20151 of s_preds and s_succs.
20152 * flow.c (compute_flow_dominators): Compute dominators using
20153 edges and basic blocks instead of s_preds and s_succs.
20155 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20157 * lists.c (unused_insn_list, unused_expr_list): New file for
20158 maintaining various types of lists. New statics for maintaining a
20159 cache of available INSN_LIST and EXPR_LIST nodes.
20160 (free_list): Static function for freeing a list of INSN/EXPR nodes.
20161 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
20162 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
20163 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
20164 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
20165 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
20166 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
20167 (free_INSN_LIST_node): Free an individual INSN_LIST node.
20168 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
20169 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
20170 (remove_dependence, free_pending_lists): Use new global routines.
20171 (flush_pending_lists, sched_analyze_insn): Use new global routines.
20172 (sched_analyze, compute_block_backward_dependences): Use new routines.
20173 (sched_analyze_1, sched_analyze_2): Use new routines.
20174 (schedule_insns): Use new global routines.
20175 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
20177 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
20178 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
20180 * toplev.c (rest_of_compilation): Initialize node cache.
20181 * Makefile.in (OBJS): Add lists.o to list of object files.
20182 (lists.o): Add dependancies.
20184 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
20186 * config/v850/v850.md: Fix compile time warning messages.
20187 * config/v850/v850.c: Fix compile time warning messages.
20188 * config/v850/v850.h: Fix compile time warning messages.
20190 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20192 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
20193 Remove unused prototype for `init_lengths'.
20195 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20197 * calls.c (emit_call_1): Mark parameter `stack_size' with
20199 (expand_call): Initialize variable `insn'.
20200 (emit_library_call): Likewise for variable `high_to_save'.
20201 (emit_library_call_value): Likewise.
20202 (store_one_arg): Likewise for variables `lower_bound' and
20205 * combine.c (try_combine): Likewise for variables `i2_code_number'
20206 and `other_code_number'.
20207 (find_split_point): Likewise for variables `pos', `unsignedp' and
20209 (simplify_if_then_else): Likewise for variables `op' and `c1'.
20210 (simplify_and_const_int): Remove unused variable `width'.
20211 (merge_outer_ops): Likewise.
20213 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
20214 HOST_WIDE_INT' when comparing against one.
20215 (simplify_relational_operation): Likewise.
20216 (cse_insn): Initialize variables `src_eqv_volatile',
20217 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
20219 * final.c (init_final): Constify parameter `filename'.
20220 (final_start_function): Mark parameter `optimize' with
20222 (profile_function): Likewise for parameters `first' and `optimize'.
20223 (output_source_line): Likewise for parameter `file'.
20225 * integrate.c (subst_constants): Cast a value to `size_t' when
20226 comparing against one.
20227 (mark_stores): Initialize variable `mode'. Cast a value to
20228 `size_t' when comparing against one.
20230 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
20232 * loop.c (move_movables): Initialize variable `first'.
20233 (strength_reduce): Likewise for variable `increment'.
20234 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
20235 value to `size_t' when comparing against one.
20236 (load_mems): Initialize variable `end_label'.
20238 * output.h (init_final): Constify parameter.
20240 * reload.c (decompose): Initialize variable `base'.
20242 * reload1.c (reload): Likewise for variable `is_scalar'.
20243 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
20244 (choose_reload_regs): Initialize variable `mode'.
20245 (emit_reload_insns): Likewise for variable `store_insn'.
20246 (reload_cse_noop_set_p): Mark parameter `insn' with
20248 (reload_combine): Initialize variable `set'.
20250 * unroll.c (unroll_loop): Likewise for variable `local_label'.
20251 (copy_loop_body): Cast a value to `size_t' when comparing against
20254 * varasm.c (assemble_variable): Initialize variable `size_tree'.
20255 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
20256 (remove_from_pending_weak_list): Mark parameter `name' with
20259 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20261 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
20264 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
20266 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
20267 (ASM_DECLARE_FUNCTION_NAME): Define.
20268 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
20269 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
20270 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
20271 not already defined.
20273 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
20275 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
20276 of n_popped when call/call_value are not defined.
20278 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
20280 * tm.texi: GNU CC -> GCC conversion.
20281 (CC1_SPEC): Indicate it is used for all language front ends.
20283 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
20285 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
20286 NOTE_INSN_EH_REGION_END correctly.
20288 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
20289 Jeff Law <law@cygnus.com>
20291 * loop.c (strength_reduce): Automatically unroll loops if the
20292 unrolled loop size is smaller than the rolled loop size.
20294 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
20295 and delete comment that code should be rewritten.
20297 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
20299 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
20302 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
20304 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
20306 * fixinc/mkfixinc.sh: Don't fix uwin headers.
20307 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
20308 (LINK_SPEC): Add -u _main when building executables.
20309 (ASM_DECLARE_FUNCTION): Update from Cygwin.
20310 (ASM_FILE_END): Use the default for ix86-pe.
20311 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
20313 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
20315 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
20316 and ASM_CLOSE_PAREN are empty strings.
20318 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
20319 Geoffrey Keating <geoffk@cygnus.com>
20321 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
20322 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
20323 (unprotoize.o): Ditto.
20324 (test-protoize-simple): Don't define STD_PROTO_DIR.
20325 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
20326 changes to make 'test-protoize-simple' pass.
20327 (STD_PROTO_DIR): Remove define.
20328 (STANDARD_EXEC_PREFIX): Supply default define.
20329 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
20330 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
20331 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
20332 (GET_ENV_PATH_LIST): New macro.
20333 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
20334 (do_processing): Initialize default_syscalls_dir using new
20335 macros. Use it to initialize syscalls_absolute_filename.
20337 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
20339 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
20340 B into a register before emit_conditional_move.
20342 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
20344 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
20345 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
20346 multiplicand out of (+ (* a b) (* c d)).
20348 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
20349 Richard Henderson <rth@cygnus.com>
20351 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
20352 (new_insn_dead_notes): Likewise.
20353 (update_n_sets): Likewise.
20354 (update_flow_info): Move to flow.c, renamed to update_life_info;
20355 extend to handle multiple source insns.
20356 * flow.c: Include resource.h
20357 (unlink_insn_chain): New.
20358 (split_hard_reg_notes): New.
20359 (maybe_add_dead_note): New.
20360 (maybe_add_dead_note_use): New.
20361 (find_insn_with_note): New.
20362 (new_insn_dead_notes): New.
20363 (update_n_sets): New.
20364 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
20365 (maybe_remove_dead_notes): New.
20366 (update_life_info): New.
20367 (prepend_reg_notes): New.
20368 (replace_insns): New.
20369 * output.h (update_life_info): Declare.
20370 * recog.c (split_block_insns): Use update_life_info.
20371 * resource.c (find_free_register): Use reg_alloc_order, don't use
20372 fixed regs, make sure the mode is supported, don't use new regs.
20374 * rtl.h (replace_insns): Declare.
20376 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
20378 * expr.c (expand_expr): Cope with COND_EXPRs with one
20379 non-returning branch.
20381 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
20383 * expr.c (store_expr): Always pass down the target, even when not
20386 1999-08-24 Nick Clifton <nickc@cygnus.com>
20388 * configure.in: Define target_cpu_default for v850 targets.
20389 * configure: Regenerate
20391 * config/v850/v850.h (TARGET_CPU_generic): Define.
20392 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
20393 addresses are 4 byte aligned.
20395 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
20398 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20400 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
20401 (main): Add prototypes.
20403 * genattrtab.c (substitute_address, write_const_num_delay_slots,
20404 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
20405 (write_attr_get): Emit prototypes along with function definition.
20406 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
20407 (write_complex_function): Emit static prototype along with
20408 function definition.
20410 * genemit.c (gen_split): Emit prototypes along with function
20413 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
20414 Likewise for predicates and `insn_operand_predicate'.
20415 (process_template): Emit static prototype along with function
20418 * genrecog.c (make_insn_sequence): Constify a char*. Add
20419 prototypes for get_split_*().
20420 (write_subroutine): Emit prototypes along with function
20423 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20425 * gcse.c (find_avail_set): Follow chains of register-register copies.
20426 Use oprs_not_set_p to guarantee that the returned value can be
20428 (cprop_insn): Don't verify the return value of find_avail_set with
20431 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
20432 (cprop_cc0_jump): New function.
20433 (cprop_insn): Break out new function cprop_jump and use it.
20434 Also use cprop_cc0_jump for machines with CC0.
20435 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
20437 * tree.h (current_function_calls_setjmp,
20438 current_function_calls_longjmp): Delete declarations.
20439 * dsp16xx.c: Include "function.h".
20440 * elxsi.c: Likewise.
20441 * gmicro.c: Likewise.
20442 * h8300.c: Likewise.
20443 * i370.c: Likewise.
20444 * m32r.c: Likewise.
20445 * mn10200.c: Likewise.
20446 * mn10300.c: Likewise.
20447 * ns32k.c: Likewise.
20448 * spur.c: Likewise.
20449 * v850.c: Likewise.
20451 * rtl.h (rtx_equal_function_value_matters): Declare.
20452 * toplev.c (rtx_equal_function_value_matters): Don't declare.
20454 * function.c: Likewise.
20455 * emit-rtl.c: Likewise.
20457 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
20459 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
20462 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
20464 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
20467 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
20469 * cpp.texi: Add a node documenting macro varargs (copied
20472 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
20474 * cppspec.c: Put a null pointer at the end of the new argv.
20476 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
20478 * configure.in: Remove code to select/de-select the haifa
20479 scheduler. Every scheduled port gets haifa now.
20480 * configure: Rebuilt.
20481 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
20483 * Makefile.in: Corresponding changes.
20485 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20487 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
20488 All callers changed.
20489 (prepare_float_lib_cmp): Likewise.
20490 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
20491 * expr.h (emit_float_lib_cmp): Delete declaration.
20492 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
20493 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
20494 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
20496 (cmptf): Now conditional on TARGET_HARD_QUAD.
20498 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
20500 * resource.c (mark_target_live_regs): Use
20501 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
20503 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20505 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
20507 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
20509 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
20511 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20513 * rtl.h (rtx_format): Constify a char*.
20515 * rtl.c (rtx_format): Likewise.
20516 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
20517 (init_rtl): Use accessor macro, not `rtx_format'.
20519 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
20522 * caller-save.c (mark_referenced_regs): Likewise.
20524 * combine.c (subst, make_compound_operation, known_cond,
20525 gen_rtx_combine, update_table_tick, get_last_value_validate,
20526 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
20528 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
20529 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
20530 count_reg_usage): Likewise.
20532 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
20535 * final.c (leaf_renumber_regs_insn): Likewise.
20537 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
20538 dump_edge_info, count_reg_references): Likewise.
20540 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
20541 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
20544 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
20545 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
20546 add_label_notes): Likewise.
20548 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
20549 clear_struct_flag, count_sub_rtxs, count_alternatives,
20550 compares_alternatives_p, contained_in_p, walk_attr_value,
20551 write_expr_attr_cache): Likewise.
20553 * genconfig.c (walk_insn_part): Likewise.
20555 * genemit.c (max_operand_1, gen_exp): Likewise.
20557 * genextract.c (walk_rtx): Likewise.
20559 * genflags.c (num_operands): Likewise.
20561 * genoutput.c (scan_operands): Likewise.
20563 * genpeep.c (match_rtx): Likewise.
20565 * genrecog.c (add_to_sequence): Likewise.
20567 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
20570 * integrate.c (save_constants, copy_for_inline,
20571 copy_rtx_and_substitute, subst_constants, restore_constants):
20574 * jump.c (mark_jump_label, invert_exp, redirect_exp,
20575 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
20577 * local-alloc.c (contains_replace_regs, memref_referenced_p):
20580 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
20581 add_label_notes, replace_call_address, count_nonfixed_reads,
20582 invariant_p, find_single_use_in_loop, find_mem_givs,
20583 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
20586 * print-rtl.c (reg_names, print_rtx): Likewise.
20588 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
20590 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
20591 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
20592 print_blocks): Likewise.
20594 * regclass.c (fix_register, record_address_regs,
20595 reg_scan_mark_refs): Likewise.
20597 * regmove.c (stable_but_for_p): Likewise.
20599 * reload.c (loc_mentioned_in_p, operands_match_p,
20600 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
20601 copy_replacements, refers_to_regno_for_reload_p,
20602 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
20603 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
20606 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
20607 delete_address_reloads_1, count_occurrences,
20608 reload_cse_mem_conflict_p, reload_combine_note_use,
20609 add_auto_inc_notes): Likewise.
20611 * resource.c (mark_referenced_resources, mark_set_resources):
20614 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
20615 reg_mentioned_p, regs_set_between_p, modified_between_p,
20616 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
20617 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
20618 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
20619 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
20621 * sched.c (sched_analyze_2, attach_deaths): Likewise.
20623 * stupid.c (stupid_mark_refs): Likewise.
20625 * unroll.c (remap_split_bivs): Likewise.
20627 * varasm.c (mark_constants): Likewise.
20629 * a29k/a29k.c (uses_local_reg_p): Likewise.
20631 * alpha/alpha.c (summarize_insn): Likewise.
20633 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
20634 eliminate_lr2ip): Likewise.
20636 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
20638 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
20639 reg_mentioned_in_mem): Likewise.
20641 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
20642 symbolic_reference_mentioned_p): Likewise.
20644 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
20646 * sh/sh.c (regs_used, mark_use): Likewise.
20648 * vax/vax.c (vax_rtx_cost): Likewise.
20650 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20652 * machmode.h (mode_name): Constify a char*.
20654 * rtl.c (mode_name): Likewise.
20656 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
20658 * optabs.c (init_libfuncs): Constify a char*.
20660 * print-tree.c (mode_name): Remove redundant declaration.
20661 (print_node): Use accessor macro, not `mode_name'.
20663 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
20665 (new_spill_reg): Constify a char*.
20667 * tree.c (mode_name): Remove redundant declaration.
20669 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20671 * rtl.c (rtx_name): Constify a char*.
20673 * rtl.h (rtx_name, fix_sched_param): Likewise.
20675 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
20676 (mypr): Use accessor macro, not `rtx_name'.
20678 * genemit.c (print_code): Constify a char*.
20680 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
20682 * genpeep.c (print_code): Constify a char*.
20684 * genrecog.c (print_code): Likewise.
20686 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
20687 end_bb): Add static prototype.
20688 (draw_edge): Constify a char*.
20689 (end_bb): Remove unused parameter.
20691 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
20692 print_block_visualization): Constify a char*.
20694 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
20696 * c-common.c (c_get_alias_set): Update comment.
20698 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20700 * linux.h (LIB_SPEC): Added.
20702 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20704 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
20706 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
20708 * tree.c (expr_check): Fix typo in last change.
20710 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
20712 * rtl.def (NOTE): Change format to "iuu0n".
20713 (ADDR_DIFF_VEC): Change format to "eEee0".
20714 (ADDRESSOF): Change format to "eit".
20716 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
20717 (RTVEC_ELT): Change to match.
20718 (XVECEXP): Use XVEC and RTVEC_ELT.
20719 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
20720 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
20721 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
20722 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
20723 TRAP_CONDITION, TRAP_CODE): Use XEXP.
20724 (INTVAL): Use XWINT.
20725 (ADDRESSOF_DECL): Use XTREE.
20726 (SET_ADDRESSOF_DECL): Delete.
20727 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
20728 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
20729 ifdefed out since 2.6 at least.
20730 (gen_rtvec_vv): Delete prototype.
20732 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
20734 (copy_most_rtx): Handle 't' format letter.
20735 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
20736 (gen_rtvec_vv): Delete function. All callers changed to use
20737 gen_rtvec_v instead.
20738 * print-rtl.c (print_rtx): Move special casing of NOTEs to
20739 the '0' format letter.
20741 * function.c (gen_mem_addressof): Don't use
20742 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
20744 * integrate.c (copy_rtx_and_substitute): Likewise.
20745 Copy 't' slots with XTREE.
20746 (subst_constants): Treat 't' slots like '[swi]' slots.
20747 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
20748 * jump.c (rtx_equal_for_thread_p): Likewise.
20749 * rtlanal.c (rtx_equal_p): Likewise.
20750 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
20751 only four arguments.
20752 * gengenrtl.c (type_from_format): Provide correct types for
20756 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
20757 If a recent gcc is in use (always in stage2 and beyond), use
20758 statement expressions, so we don't make a function call unless
20759 the check fails. Evaluate arguments exactly once.
20760 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
20761 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
20763 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
20764 they evaluate their arguments exactly once, irrespective of
20765 the compiler in use.
20767 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
20768 is used by the currently-enabled check macros. This is:
20769 (tree_check_failed, tree_class_check_failed): For gcc.
20770 (tree_check, tree_class_check, cst_or_constructor_check,
20771 expr_check): For other compilers.
20773 * gencheck.c: Do not define any *_CHECK1 macros.
20775 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
20776 Mark Mitchell <mark@codesourcery.com>
20778 * c-common.c (c_get_alias_set): Fix support for poitners and
20781 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
20783 * alias.c: Include tree.h.
20784 (nonlocal_reference_p, mark_constant_function): New functions.
20785 * flow.c (life_analysis): Call mark_constant_function.
20786 * rtl.h (mark_constant_function): Declare it.
20788 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
20790 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
20791 unrecognisable switches.
20793 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20795 * loop.c (recombine_givs): Set ix field after sorting.
20796 (recombine_givs): Remove bogus index / giv lockstep looping.
20798 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20800 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
20802 (emit_store_flag_force): Use do_compare_rtx_and_jump.
20803 (do_cmp_and_jump): Formatting fixes.
20804 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
20805 do_compare_rtx_and_jump instead of compare_from_rtx.
20806 (do_compare_rtx_and_jump): New function; mostly copied from
20808 (do_jump_for_compare): Delete.
20809 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
20811 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
20812 of compare/do_jump_for_compare pairs.
20813 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
20814 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
20815 compare_from_rtx/do_jump_for_compare pairs.
20816 (do_jump_by_parts_equality): Likewise.
20817 (do_jump_by_parts_equality_rtx): Likewise.
20818 * expr.h (do_compare_rtx_and_jump): Declare.
20819 * optabs.c (prepare_cmp_insn): New function, contains most of the code
20820 that used to be in emit_cmp_insn.
20821 (cmp_available_p): New function.
20822 (prepare_operand): New function.
20823 (emit_cmp_and_jump_insn_1): New function, contains some code that used
20824 to be in emit_cmp_insn.
20825 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
20826 parameters to be pointers; don't emit final compare but modify some of
20827 the values pointed to by the args so the caller can perform the
20828 correct comparison.
20829 (expand_binop): Call emit_store_flag_force with signed forms of
20831 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
20832 emit_jump_insn pair.
20833 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
20834 emit_cmp_and_jump_insn_1. Call emit_queue.
20835 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
20837 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
20838 jump sets cc0 before deleting it.
20839 * integrate.c (expand_inline_function): Likewise.
20840 * unroll.c (unroll_loop): Similar changes in several places.
20841 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
20842 before deleting it.
20844 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20846 * Makefile.in (insn-recog.o): Update dependencies.
20847 * genrecog.c (main): Make generated file include "function.h".
20849 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
20851 * cse.c (cse_insn): Call never_reached_warning when a jump is
20852 changed to be unconditional.
20853 * flags.h: Declare warn_notreached.
20854 * flow.c (delete_block): Call never_reached_warning when
20855 a block is deleted.
20856 * jump.c (delete_barrier_successors): Call never_reached_warning
20857 when we delete everything after a BARRIER.
20858 (never_reached_warning): New function.
20859 * rtl.h: Declare never_reached_warning.
20860 * toplev.c (warn_notreached): New variable.
20861 (lang_independent_options): Set warn_notreached
20862 when -Wunreachable-code.
20863 (compile_file): We need line numbers for -Wunreachable-code.
20865 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
20867 * haifa-sched.c (insn_unit): Fix typo on out of range test.
20868 * sched.c (insn_unit): Likewise.
20870 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
20872 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
20874 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20876 * flow.c (create_edge_list): Use xmalloc, not malloc.
20878 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
20880 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
20881 C-style comments. Do not lose the character before double slash.
20883 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20885 * basic-block.h (struct edge_list): Stucture to maintain a vector
20887 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
20888 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
20889 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
20890 New function prototypes.
20891 * flow.c (create_edge_list): Function to create an edge list.
20892 (free_edge_list): Discards memory used by an edge list.
20893 (print_edge_list): Debug output showing an edge list.
20894 (verify_edge_list): Internal consistency check for an edge list.
20895 (find_edge_index): Function to find an edge index for a pred and succ.
20897 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
20899 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
20902 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
20904 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
20906 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
20908 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
20910 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
20912 * toplev.c (rest_of_compilation): Allow machine dependent
20913 reorganisation pass to place information into the RTL dump
20914 file if it so wishes.
20916 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
20918 * explow.c (hard_function_value): Use VOIDmode instead of
20920 * stmt.c (expand_return): Likewise.
20921 * stor-layout.c (get_best_mode): Likewise.
20923 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
20924 emit call instead of emit_insn call.
20926 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
20928 * configure.in: Handle --disable/enable-win32-registry.
20929 * install.texi: Document --disable/enable-win32-registry.
20930 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
20931 (WIN32_REGISTRY_KEY): New macro.
20932 * prefix.c: Use to enable/disable win32-specific code.
20933 (lookup_key): Use versioned key.
20934 * configure: Regenerate.
20935 * config.in: Likewise.
20937 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
20939 * cpplib.c (read_line_number): New fn, split out of...
20942 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
20944 tree.c (lang_unsave_expr_now) : New.
20945 (unsave_expr_now): Call lang_unsave_expr_now.
20946 tree.h (lang_unsave_expr_now) : New.
20948 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
20950 * toplev.c (flag_new_exceptions): On by default.
20952 1999-08-13 Michael Meissner <meissner@cygnus.com>
20954 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
20956 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20958 * dwarfout.c (fundamental_type_code): Return FT_boolean for
20959 INTEGER_TYPE with precision==1, it's __java_boolean.
20961 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20963 * global.c (prune_preferences): Move some invariants out of the
20966 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
20968 * configure.in (alpha*-dec-osf*): Add osf5.
20970 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
20972 * configure.in: Rework handling of ARM GNU/Linux slightly.
20973 (arm*-*-linux-gnuoldld): New target.
20974 * configure: Regenerate.
20975 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
20976 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
20977 * config/arm/linux-oldld.h: New file.
20978 * config/arm/linux-elf26.h: Don't include linux-elf.h.
20979 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
20981 * config/arm/linux-elf.h (ASM_SPEC): Define.
20982 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
20983 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
20984 for 26-bit APCS and old linker.
20985 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
20987 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
20988 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
20989 don't define `arm' or `arm_elf'.
20990 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
20991 MULTILIB_DIRNAMES): Define. Fix typo in comment.
20993 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
20995 * rtl.texi: Fix typo.
20997 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
20999 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
21001 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
21003 * extend.texi (C++ Signatures): Remove node.
21004 * invoke.texi: Remove discussion of -fhandle-signatures,
21005 signature, sigof, __signature__, and __sigof__.
21007 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
21009 * Makefile.in (JAVAGC): Removed.
21011 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
21013 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
21015 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
21017 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
21019 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
21021 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
21022 a register that is already known to be a pointer.
21024 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
21026 * fixinc/inclhack.tpl: Only install assert.h conditionally.
21027 * fixinc/inclhack.sh: Regenerated.
21028 * fixinc/fixincl.sh: Regenerated.
21030 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
21032 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
21033 Fix documentation of -ansi flag to describe its C++ behavior.
21034 Remove bogus reference to GCC 2.9.
21036 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
21038 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
21039 note if it is non-NULL.
21041 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21043 * except.h (eh_nesting_info): Add new structure defintion.
21044 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
21045 (reachable_handlers, update_rethrow_references): Add function
21047 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
21048 a rethrow symbol instead of an integer exception region number.
21049 * flow.c (Make_edges): Use new exception nesting routines to determine
21050 which handlers are reachable from a CALL or asynchronous insn.
21051 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
21053 (delete_eh_regions): Update rethrow labels, and don't delete
21054 regions which are the target of a rethrow.
21055 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
21056 avoid overloading the SYMBOL_REF_USED flag.
21057 (rethrow_symbol_map): Use new rethrow_ref field.
21058 (rethrow_used): Use new rethrow_ref field.
21059 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
21060 of an integer. Fix formatting.
21061 (output_exception_table_entry): Use new rethrow_ref field.
21062 (can_throw): Check for EH_REGION_NOTE before deciding
21063 whether a CALL can throw or not.
21064 (scan_region): Call rethrow_used() instead of accessing data structure.
21065 (update_rethrow_references): New function to make sure only regions
21066 which are still targets of a rethrow are flagged as such.
21067 (process_nestinfo): New static function to initialize a handler
21068 list for a specific region.
21069 (init_eh_nesting_info): New function to allocate and initialize
21070 the list of all EH handlers reachable from all regions.
21071 (reachable_handlers): New function to retrieve the list of handlers
21072 reachable from a specific region and insn.
21073 (free_eh_nesting_info): New function to dispose of a list of
21074 reachable handlers.
21076 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21078 * flow.c (split_edge): Set JUMP_LABEL field.
21079 (commit_one_edge_insertion): Set head correctly for insert_before.
21080 When inserting insns, update insn block numbers if allocated.
21082 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21084 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
21085 retry_incomplete_types): Add static prototype.
21086 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
21087 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
21088 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
21089 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
21090 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
21093 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
21094 dwarf2out_start_source_file, dwarf2out_line): Likewise.
21096 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21098 * output.h (assemble_name): Constify a char*.
21100 * varasm.c (UNIQUE_SECTION, assemble_start_function,
21101 assemble_variable, assemble_name): Likewise.
21103 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
21105 * arm/pe.c (arm_pe_unique_section): Likewise.
21107 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
21109 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
21111 * i386/interix.c (i386_pe_unique_section): Likewise.
21113 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
21115 * i386/winnt.c (i386_pe_unique_section): Likewise.
21117 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
21119 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
21121 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
21123 * pa/pa.c (output_call): Likewise.
21125 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
21127 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
21129 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
21132 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
21135 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
21137 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
21138 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
21140 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
21142 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21144 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
21146 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21148 * tree.h (lang_identify): Constify a char*.
21149 (print_error_function): Add extern prototype. Constify a char*.
21151 * c-lang.c (lang_identify): Constify a char*.
21153 * objc/objc-act.c (lang_identify): Constify a char*.
21155 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21157 * genpeep.c (main): Make generated file include "function.h".
21158 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
21160 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21162 * Makefile.in: Update dependencies.
21163 * alias.c: Include "function.h"
21164 * c-decl.c: Likewise.
21165 * caller-save.c: Likewise.
21166 * calls.c: Likewise.
21167 * combine.c: Likewise.
21169 * explow.c: Likewise.
21170 * final.c: Likewise.
21171 * global.c: Likewise.
21172 * graph.c: Likewise.
21173 * local-alloc.c: Likewise.
21174 * loop.c: Likewise.
21175 * optabs.c: Likewise.
21176 * profile.c: Likewise.
21177 * recog.c: Likewise.
21178 * regclass.c: Likewise.
21179 * regmove.c: Likewise.
21180 * reload.c: Likewise.
21181 * reorg.c: Likewise.
21182 * resource.c: Likewise.
21183 * sched.c: Likewise.
21184 * stupid.c: Likewise.
21185 * config/1750a/1750a.c: Likewise.
21186 * config/a29k/a29k.c: Likewise.
21187 * config/arc/arc.c: Likewise.
21188 * config/arm/arm.c: Likewise.
21189 * config/arm/thumb.c: Likewise.
21190 * config/c4x/c4x.c: Likewise.
21191 * config/clipper/clipper.c: Likewise.
21192 * config/convex/convex.c: Likewise.
21193 * config/fx80/fx80.c: Likewise.
21194 * config/i860/i860.c: Likewise.
21195 * config/m68k/m68k.c: Likewise.
21196 * config/m88k/m88k.c: Likewise.
21197 * config/mips/mips.c: Likewise.
21198 * config/pdp11/pdp11.c: Likewise.
21199 * config/pyr/pyr.c: Likewise.
21200 * config/romp/romp.c: Likewise.
21201 * config/sh/sh.c: Likewise.
21202 * config/tahoe/tahoe.c: Likewise.
21203 * config/vax/vax.c: Likewise.
21204 * config/we32k/we32k.c: Likewise.
21205 * config/sparc/sparc.c: Include "function.h".
21206 (mem_min_alignment): Test current_function rather than
21207 regno_pointer_align.
21208 * config/pa/pa.c: Likewise.
21209 (compute_frame_size): Delete declaration of
21210 current_function_outgoing_args_size.
21211 * config/arc/arc.h (current_function_varargs): Delete declaration.
21212 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
21214 * config/i370/i370.h (current_function_outgoing_args_size): Delete
21216 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
21217 current_function_uses_pic_offset_table.
21218 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
21219 of current_function_returns_pointer.
21220 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21221 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21222 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21223 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21224 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21225 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21226 * config/m88k/m88k.c: Include "function.h"
21227 (call_used_regs, current_function_pretend_args_size,
21228 current_function_outgoing_args_size, frame_pointer_needed): Delete
21230 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
21232 * config/mips/mips.h (current_function_calls_alloca): Delete
21234 * config/mn10200/mn10200.h (current_function_needs_context,
21235 rtx_equal_function_value_matters): Delete declarations.
21236 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
21237 flag_pic): Delete declarations.
21238 * config/pa/pa.h (current_function_pretend_args_size,
21239 current_function_decl): Delete declarations.
21240 * config/pa/som.h (current_function_varargs): Delete declaration.
21241 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
21243 * config/pyr/pyr.h (current_function_pretend_args_size,
21244 current_function_args_size, current_function_calls_alloca): Delete
21246 * config/sh/sh.h (current_function_varargs): Delete declaration.
21247 * config/sparc/sparc.h (current_function_outgoing_args_size,
21248 current_function_calls_alloca, current_function_decl): Delete
21250 * config/spur/spur.h (current_function_pretend_args_size,
21251 current_function_calls_alloca): Delete declarations.
21252 * config/v850/v850.c (current_function_outgoing_args_size): Delete
21254 * config/vax/vms.h (current_function_name): Delete declaration.
21255 * gcse.c: Include "function.h".
21256 (current_function_name, current_function_calls_setjmp): Delete
21258 * haifa-sched.c: Include "function.h".
21259 (forced_labels): Delete declaration.
21260 * jump.c: Likewise.
21261 * reg-stack.c: Likewise.
21262 * reload1.c: Likewise.
21263 * genemit.c (main): Make generated file include function.h.
21264 * genoutput.c (output_prologue): Likewise.
21266 * builtins.c (saveregs_value, apply_args_value): Delete variables.
21267 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
21268 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
21269 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
21270 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
21271 macros for some of them.
21272 (emit_filename, emit_lineno): Delete declarations.
21273 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
21274 regno_pointer_* variables through current_function.
21275 (gen_inline_header_rtx): Delete function.
21276 (save_emit_status): Delete function.
21277 (set_new_last_label_num): New function.
21278 (clear_emit_caches): New function.
21279 (restore_emit_status): Just clear last_labelnum and call
21281 (get_last_insn_anywhere): Variable sequence_stack is now accessed
21282 through macro seq_stack.
21283 (add_insn_after): Likewise.
21284 (add_insn_before): Likewise.
21285 (remove_insn): Likewise.
21286 (pop_topmost_sequence): Likewise.
21287 (in_sequence_p): Likewise.
21288 (start_sequence_for_rtl_expr): Likewise.
21289 (start_sequence): Likewise, and likewise for
21290 sequence_rtl_expr/seq_rtl_expr.
21291 (push_topmost_sequence): Likewise.
21292 (end_sequence): Likewise.
21293 (init_virtual_regs): Now takes a "struct emit_status *" argument.
21294 All callers changed. Store into that pointer instead of globals.
21295 (init_emit): Allocate emit elt of current_function.
21296 Changes for sequence_rtl_expr/sequence_stack renaming.
21297 Call clear_emit_caches instead of doing it in-line.
21298 Access regno_pointer_* variables through current_function.
21299 (init_emit_once) Don't clear sequence_stack.
21301 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
21303 (arg_pointer_save_area): Delete declaration.
21304 (finish_expr_for_function): Renamed from init_queue; no longer static.
21305 (init_expr): Don't call init_queue.
21306 (save_expr_status, restore_expr_status): Delete functions.
21307 (expand_expr): Changes to reflect new layout of struct function.
21308 Don't access current_function_check_memory_usage when current_function
21310 * expr.h (forced_labels, save_expr_regs, saveregs_value,
21311 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
21312 current_function_outgoing_args_size, current_function_arg_offset_rtx,
21313 current_function_uses_const_pool, function_call_count,
21314 current_function_uses_pic_offset_table, nonlocal_labels,
21315 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
21316 current_function_check_memory_usage, nonlocal_goto_handler_slots,
21317 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
21319 (finish_expr_for_function): Declare.
21320 * flags.h (current_function_has_nonlocal_label,
21321 current_function_has_nonlocal_goto, current_function_is_thunk,
21322 current_function_has_computed_jump): Delete declarations.
21323 * flow.c (forced_labels): Delete declaration.
21324 * function.c (current_function_pops_args,
21325 current_function_returns_struct, current_function_returns_pcc_struct,
21326 current_function_needs_context, current_function_calls_setjmp,
21327 current_function_calls_longjmp, current_function_has_nonlocal_label,
21328 current_function_has_nonlocal_goto, current_function_is_thunk,
21329 current_function_has_computed_jump, current_function_calls_alloca,
21330 current_function_contains_functions, current_function_returns_pointer,
21331 current_function_epilogue_delay_list, current_function_args_size,
21332 current_function_pretend_args_size, current_function_arg_offset_rtx,
21333 current_function_outgoing_args_size, current_function_varargs,
21334 current_function_stdarg, current_function_args_info, cleanup_label,
21335 current_function_name, current_function_uses_const_pool,
21336 current_function_instrument_entry_exit, current_function_return_rtx,
21337 current_function_uses_pic_offset_table, nonlocal_labels,
21338 current_function_internal_arg_pointer, current_function_cannot_inline,
21339 current_function_check_memory_usage, function_call_count,
21340 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
21341 nonlocal_goto_stack_level, return_label, save_expr_regs,
21342 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
21343 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
21344 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
21345 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
21346 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
21348 (push_function_context_to): Don't save them. Don't call
21349 save_storage_status, save_emit_status or save_expr_status.
21350 (pop_function_context_from): Don't restore them. Don't call
21351 restore_storage_status or restore_expr_status.
21352 (get_func_frame_size): New function.
21353 (get_frame_size): Use it.
21354 (assign_outer_stack_local): Reflect some member name changes in struct
21356 (put_reg_into_stack): Likewise.
21357 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
21359 (fixup_var_refs): Likewise.
21360 (fix_lexical_addr): Likewise.
21361 (trampoline_address): Likewise.
21362 (prepare_function_start): Clear field inlinable of current_function.
21363 (init_function_for_compilation): New function.
21364 (expand_dummy_function_end): New function.
21365 (expand_function_end): Call finish_expr_for_function.
21366 * function.h (struct emit_status): New; fields moved here from struct
21367 function and from global variables. Add accessor macros for some of
21369 (struct expr_status): Likewise.
21370 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
21371 (struct function): Add fields expr and emit, inlinable, inl_emit,
21372 original_arg_vector, original_decl_initial, inl_last_parm_insn,
21373 inl_max_label_num. Add many comments.
21374 Add accessor macros for all elts of struct function that no longer
21375 have a global variable.
21376 (cleanup_label, return_label, frame_offset, tail_recursion_label,
21377 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
21378 stack_slot_list): Delete declarations.
21379 (get_func_frame_size): Declare.
21380 (save_expr_status, restore_expr_status, save_emit_status,
21381 save_storage_status, restore_storage_status): Delete declarations.
21382 (init_virtual_regs): Declare.
21383 * output.h (current_function_pops_args,
21384 current_function_returns_struct, current_function_returns_pcc_struct,
21385 current_function_needs_context, current_function_calls_setjmp,
21386 current_function_calls_longjmp, current_function_calls_alloca,
21387 current_function_has_nonlocal_label, current_function_varargs,
21388 current_function_has_computed_jump, current_function_returns_pointer,
21389 current_function_contains_functions, current_function_args_size,
21390 current_function_pretend_args_size, current_function_stdarg,
21391 current_function_outgoing_args_size, current_function_args_info,
21392 current_function_name, current_function_return_rtx,
21393 current_function_epilogue_delay_list,
21394 current_function_uses_const_pool, current_function_cannot_inline):
21395 Delete declarations.
21396 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
21397 regno_reg_rtx): Delete declaration.
21398 (REGNO_POINTER_FLAG): Delete macro.
21399 * stmt.c (expand_goto): Changes to reflect that some fields in struct
21400 function were renamed.
21401 * stor-layout.c (save_storage_status, restore_storage_status): Delete
21403 * toplev.c: Include "function.h".
21404 (current_function_decl): Delete declaration.
21405 (compile_file): Call init_dummy_function_start and
21406 expand_dummy_function_end around some initializations that need to
21408 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
21409 Call init_function_for_compilation.
21410 * unroll.c: Include "function.h"
21411 (unroll_loop): Access regno_pointer_* variables through
21414 * tree.h (struct tree_decl): Add elt f to saved_insns member.
21415 (DECL_SAVED_INSNS): use it.
21416 (expand_dummy_function_end): Declare.
21417 (init_function_for_compilation): Declare.
21418 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
21419 that it's no longer an INLINE_HEADER.
21420 (expand_call): Likewise.
21421 * integrate.c (finish_inline): Delete function.
21422 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
21423 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
21424 args. Don't generate an INLINE_HEADER rtx, just return the arg
21425 vector. All callers changed.
21426 (save_for_inline_copying): Create a duplicate struct emit_status to
21427 hold the emit state for compiling the current function. Use this and
21428 the other new fields in struct function that are for integration
21429 instead of an INLINE_HEADER.
21430 Use memcpy instead of bcopy.
21431 Store the current struct function in DECL_SAVED_INSNS of fndecl.
21432 (save_for_inline_nocopy): Similar changes, except no new emit_status
21434 (expand_inline_function): Get information from function structure,
21435 not from an inline header rtx.
21436 (output_inline_function): Lose code to extract the necessary
21437 information from an inline header; simply put back the function
21438 structure into current_function. Clear its inlinable elt.
21439 * rtl.def (INLINE_HEADER): Delete.
21440 * rtl.h: Delete all accessors for an INLINE_HEADER.
21441 (gen_inline_header_rtx): Delete declaration.
21442 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
21443 Delete declarations.
21444 (REGNO_POINTER_ALIGN): Delete.
21445 (clear_emit_caches): Declare.
21446 (set_new_last_label_num): Declare.
21448 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
21450 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
21452 * except.c (expand_eh_region_start_for_decl): Always start a new block.
21453 * stmt.c (is_eh_region): Make sure current_function is present, too.
21455 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
21457 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
21458 for 64bit PA targets.
21460 * pa.h (SELECT_SECTION): Define.
21461 * som.h (SELECT_SECTION): Delete.
21463 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21465 * alias.c (init_alias_analysis): Wrap call to
21466 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
21468 1999-08-07 Bruce Korb <autogen@linuxbox.com>
21470 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
21471 <sys/asm.h> contains an asm comment with an apostrophe
21472 * fixinc/inclhack.sh: regen
21473 * fixinc/fixincl.x: regen
21475 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
21477 * function.c (init_function_start): Clear prologue & epilogue.
21478 (prologue_epilogue_contains): New function.
21479 * alias.c (init_alias_analysis): Use it.
21480 * rtl.h (prologue_epilogue_contains): Declare it.
21482 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
21484 * jump.c (onlyjump_p): New function.
21485 * rtl.h: Declare it.
21486 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
21487 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
21489 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
21491 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
21492 to invert loops. Simplify block scanning.
21494 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21496 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
21497 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
21499 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
21501 * config/sparc/liteelf.h: New file to support sparclite-elf target
21502 * config/sparc/t-sp86x: New file to support sparc86x targets
21503 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
21504 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
21505 * configure.in: Support above target triplets
21506 * configure: Regenerated
21508 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
21510 * fixinc/server.c (server_setup): Do not prefix function used as
21511 parameter with `&'.
21513 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
21515 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
21516 Remove fp reg alternatives.
21518 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
21520 * Makefiin (TAROUTOPTS): Kill.
21521 (install-headers-tar): Use "xpf" for tar headerfile extraction
21522 * i370/x-oe (TAROUTOPTS): Delete.
21523 * m68k/x-apollo68 (TAROUTOPTS): Delete.
21524 * m68k/x-hp320 (TAROUTOPTS): Delete.
21525 * m68k/x-hp320g (TAROUTOPTS): Delete.
21526 * gcc.texi: Update bug reporting text.
21528 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
21530 * reg-stack.c (change_stack) Fixed problem with negative array index.
21532 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
21534 * extend.texi, install.texi: Fix spelling mistakes.
21536 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
21537 (s-attrtab); No longer try to use pre-made insn-attrtab file.
21538 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
21539 PREMADE_ATTRTAB_MD.
21540 * mips/t-ecoff: Likewise.
21541 * mips/t-elf: Likewise.
21542 * mips/t-mips: Likewise.
21543 * mips/t-osfrose: Likewise.
21544 * mips/t-r3900: Likewise.
21545 * mips/t-svr3: Likewise.
21546 * mips/t-svr4: Likewise.
21547 * mips/t-ultrix: Likewise.
21549 * gcc.texi: Document recommend means to provide software floating
21550 point libraries in libgcc.a
21552 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
21554 * c-lex.c (yylex): We can have a number with no digits.
21556 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
21558 * jump.c (delete_prior_computation): New function, broken
21559 out of delete_computation. Check for side effects with
21560 side_effects_p instead of FIND_REG_INC_NOTE. Handle
21561 multi-word hard registers.
21562 (delete_computation): Use it. Check for side effects with
21563 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
21564 missing REG_DEAD note for a register which is both set and
21567 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
21569 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
21570 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
21571 (ASM_FILE_START): Import _mcount with the right type.
21572 (ASM_DECLARE_FUNCTION_NAME): Define.
21573 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
21574 * pa.c (output_function_prologue): Always emit the function's label
21576 * pa.h (TEXT_SPACE_P): Define.
21577 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
21578 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
21579 * som.h (TEXT_SPACE_P): Delete.
21580 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
21581 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
21583 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
21585 * expr.c (emit_group_load): Allow src to be a CONCAT.
21587 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21589 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
21590 (___mulsi3): Use '!' comment character.
21592 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21594 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
21596 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
21598 * gcc.c: Update URLs and mail addresses.
21599 * gcc.texi: Likewise.
21601 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
21603 * rs6000.c (current_file_function_operand): Return zero for
21605 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
21607 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
21610 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
21612 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
21613 allocate space in the stack frame for the PIC register.
21615 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
21617 * m68k.md (xordi3, anddi3): These patterns are not available on
21620 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
21622 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
21623 (PUT_REAL): Likewise.
21625 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21627 * final.c (shorten_branches): Don't add an alignment for loops
21628 that have no label inside.
21630 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21632 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
21633 prototypes in macro HAVE_cmpstrsi.
21635 * cpplib.c (cpp_get_token): Remove unused label `op3'.
21637 * emit-rtl.c (operand_subword): Remove unused variable
21640 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
21642 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
21644 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
21646 * cpphash.c (macroexpand): Delete leading whitespace when arg
21647 is concatenated before.
21648 (unsafe_chars): Correct test for whether + and - can extend a
21651 * cppinit.c (cpp_start_read): Do dependencies for
21652 -include/-imacros files also.
21654 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
21655 tokenizing non-directive lines.
21656 (cpp_expand_to_buffer): Temporarily disable no-output mode.
21657 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
21660 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
21662 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
21664 * c-lex.c: Sync with C++ frontend.
21665 (linemode): New variable.
21666 (parse_float): imag, conversion_errno, and type are output only.
21667 (yylex): Adjust. Move initial '.' case into main switch.
21669 (handle_generic_pragma): Just deal with tokens.
21670 (readescape): Use ISXDIGIT and ISGRAPH.
21671 * c-parse.in: Add END_OF_LINE token.
21673 * c-lex.c (lang_init): Generalize.
21674 (nextchar): Remove. Replace uses with UNGETC.
21675 (skip_white_space): Handle linemode here. Optimize for cpplib.
21676 (skip_white_space_on_line): Remove.
21677 (extend_token_buffer_to): New fn.
21678 (extend_token_buffer): Use it.
21679 (read_line_number, check_newline): Just deal with tokens.
21680 (token_getch, token_put_back): New fns.
21681 (yylex): Use them. More cpplib optimizations. Simplify.
21683 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21684 Jason Merrill <jason@yorick.cygnus.com>
21686 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
21687 (consume_string): Make this smart about USE_CPPLIB.
21688 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
21689 (yylex): Rewrite to be intelligent about USE_CPPLIB.
21690 Also, clean up cases where we redundantly set token_buffer[0].
21691 (read_line_number): New fn.
21692 (ignore_escape_flag): New variable.
21694 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
21696 * a29k/t-a29kbare: Fix some comments.
21697 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
21698 (FPBIT, DPBIT): Define.
21699 * a29k/t-vx29k: Likewise.
21700 * arc/t-arc: Likewise.
21701 * arm/t-arm-elf: Likewise.
21702 * arm/t-bare: Likewise.
21703 * arm/t-pe: Likewise.
21704 * arm/t-pe-thumb: Likewise.
21705 * arm/t-semi: Likewise.
21706 * arm/t-thumb: Likewise.
21707 * arm/t-thumb-elf: Likewise.
21708 * arm/t-thumb-linux: Likewise.
21709 * h8300/t-h8300: Likewise.
21710 * i960/t-i960: Likewise.
21711 * i960/t-vxworks960: Likewise.
21712 * m32r/t-m32r: Likewise.
21713 * mips/t-ecoff: Likewise.
21714 * mips/t-elf: Likewise.
21715 * mips/t-r3900: Likewise.
21716 * pa/t-pro: Likewise.
21717 * rs6000/t-aix43: Likewise.
21718 * rs6000/t-beos: Likewise.
21719 * rs6000/t-newas: Likewise.
21720 * rs6000/t-ppccomm: Likewise.
21721 * rs6000/t-rs6000: Likewise.
21722 * rs6000/t-winnt: Likewise.
21723 * rs6000/t-xnewas: Likewise.
21724 * rs6000/t-xrs6000: Likewise.
21725 * sh/t-sh: Likewise.
21726 * sparc/t-elf: Likewise.
21727 * sparc/t-sparcbare: Likewise.
21728 * sparc/t-sparclite: Likewise.
21729 * sparc/t-splet: Likewise.
21730 * v850/t-v850: Likewise.
21731 * mn10200/t-mn10200: Fix comments.
21732 * mn10300/t-mn10300: Likewise.
21734 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
21735 dummy operand. Allocate a new pseudo for the dummy operand.
21736 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
21738 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
21740 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
21742 * configure: Rebuilt.
21743 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
21745 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
21747 * recog.c (preproces_constraints): Zero recog_op_alt before
21748 processing the constraints.
21750 * arm.c (typedef minipool_node): Renamed from pool_node.
21751 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
21752 (add_minipool_constant): New function.
21753 (dump_minipool): New function.
21754 (find_barrier): Remove special case for getting the insn size of
21755 an insn that references the constant pool.
21756 (minipool_fixup): New structure.
21757 (push_minipool_barrier): New function.
21758 (push_minipool_fix): New function.
21759 (note_invalid_constants): New function.
21760 (add_pool_constant, dump_table, fixit, broken_move): Delete.
21761 (arm_reorg): Rewrite code to fix up the constant pool into a
21762 series of mini-pools embedded in the insn stream.
21763 (arm_output_epilogue): New function, made mainly from the body
21764 of output_func_epilogue.
21765 (output_func_epilogue): Move insn generation part of epilogue code
21766 to arm_output_epilogue.
21767 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
21768 * arm.md (pool_range): New attribute.
21769 (zero_extendqidi2): Add attribute pool_range.
21770 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
21771 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
21772 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
21773 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
21774 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
21775 (epilogue): New expand.
21776 (epilogue_insn): New insn. Call arm_output_epilogue.
21778 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
21779 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
21781 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
21783 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
21785 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
21787 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
21789 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
21791 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
21793 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
21795 * global.c: Fix comment.
21797 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
21799 * gcc.c (access_check): New static function.
21800 (find_a_file): Use it when searching a directory list.
21801 * collect2.c (find_a_file): Don't accept directories found when
21802 searching a directory list.
21804 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
21806 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
21807 function parameters with `&'.
21808 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
21810 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
21812 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
21813 or tidy_fallthru_edge if the last insn in the block is not
21814 an unconditional jump or a simple conditional jump.
21816 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21818 * Makefile.in (c-decl.o): Depends on defaults.h.
21820 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
21822 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
21824 (CLASS_MAX_NREGS): Likewise.
21826 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
21828 * cse.c (cse_insn): Fix dumb thinko in last change.
21830 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21832 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
21835 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
21837 * dwarf2out.c (add_location_or_const_value_attribute): Correct
21838 test for sizes of passed and declared parameter types.
21840 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21842 * fixincludes: Fix the return type of bsearch, char* -> void*.
21844 * fixinc/inclhack.def: Likewise.
21846 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
21848 * invoke.texi (-fdump-translation-unit): New option.
21850 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
21852 * expr.h (PROMOTE_PROTOTYPES): Move ...
21853 * defaults.h: ... to here.
21854 * c-decl.c: Include defaults.h instead of expr.h.
21855 * c-typeck.c: Include defaults.h.
21857 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
21859 * toplev.h (errorcount): Declare.
21860 (warningcount): Likewise.
21861 (sorrycount): Likewise.
21862 * c-lex.c (errorcount): Don't declare.
21863 * dwarf2out.c (errorcount): Don't declare.
21865 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
21867 * config/libgloss.h: Add a note discouraging use with ELF.
21868 * configure.in: Don't use libgloss.h for ELF targets.
21869 Always use_collect2 on a.out targets.
21871 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
21873 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
21874 (force_to_mode, case ASHIFTRT): Add shiftrt label.
21876 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21878 * loop.c (strength_reduce): When doing biv->giv conversion, update
21879 reg note of NEXT->insn.
21881 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21883 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
21885 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21887 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
21888 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
21889 Ensure expr.h is included.
21890 * c-typecheck.c (convert_arguments): Ditto.
21892 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
21894 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
21895 * config/convex/convex.h: Ditto.
21896 * config/dsp16xx/dsp16xx.h: Ditto.
21897 * config/fx80/fx80.h: Ditto.
21898 * config/gmicro/gmicro.h: Ditto.
21899 * config/i370/i370.h: Ditto.
21900 * config/i386/i386.h: Ditto.
21901 * config/m32r/m32r.h: Ditto.
21902 * config/m68k/m68k.h: Ditto.
21903 * config/m88k/m88k.h: Ditto.
21904 * config/mips/mips.h: Ditto.
21905 * config/pa/pa.h: Ditto.
21906 * config/pyr/pyr.h: Ditto.
21907 * config/tahoe/tahoe.h: Ditto.
21908 * config/we32k/we32k.h: Ditto.
21910 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
21911 based on arch size.
21913 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
21915 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
21918 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
21920 1999-08-02 Richard Henderson <rth@cygnus.com>
21922 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
21923 for the register spill block.
21924 (m32r_va_arg): New.
21925 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
21926 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
21928 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
21929 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
21930 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
21932 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21934 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
21935 MAX_WCHAR_TYPE defined in sparc.h.
21936 * config/sparc/linuxaout.h: Likewise.
21937 * config/sparc/linux64.h: Likewise.
21938 Also default to -mvis if CPU is UltraSPARC.
21940 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21942 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
21943 (RTX_OK_FOR_OLO10): Likewise.
21944 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
21945 %lo(), allow it in addresses...
21946 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
21947 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
21948 does not make sense.
21949 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
21950 (sparc_output_scratch_registers): New function.
21951 (output_function_prologue, sparc_flat_output_function_prologue): Use
21953 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
21955 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
21956 * configure.in: Add check for .register pseudo-op support in as and
21957 check for offsetable %lo().
21958 * acconfig.h: Add templates for the above checks.
21959 * configure: Regenerate.
21961 1999-08-02 Richard Henderson <rth@cygnus.com>
21963 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
21964 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
21965 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
21967 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21969 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
21972 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21974 * config/float-sparc.h: New file.
21975 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
21976 sparc-*-linux-gnu and sparc64-*-linux*.
21978 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
21980 * rs6000.c (rs6000_va_list): Type is an array.
21981 (rs6000_va_start): Don't doubly adjust for varargs.
21982 (rs6000_va_arg): Evaluate long long GPR adjustment.
21984 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
21986 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
21987 -maix64 and -maix32.
21988 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
21989 LINK_SPEC): Change appropriately.
21990 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
21991 (u_short_cint_operand): Likewise.
21992 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
21994 * rs6000/t-aix43 (MULTILIB): Change to -m64.
21996 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
21998 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
22000 * rs6000/rs6000.c (num_insns_constant_wide): Correct
22001 for type promotion.
22002 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
22003 (non_add_cint_operand): Likewise.
22004 (logical_operand): Likewise.
22005 (non_logical_cint_operand): Likewise.
22006 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
22007 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
22008 (rs6000_select_rtx_section): Suppress warning.
22009 (small_data_operand): Suppress warning.
22010 (rs6000_got_register): Suppress warning.
22011 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
22012 type, so `J' is generally the wrong constraint for a SImode value;
22014 (andsi3_internal2): Likewise.
22015 (andsi3_internal3): Likewise.
22016 (iorsi3_internal1): Likewise.
22017 (xorsi3_internal1): Likewise.
22019 (movsf_softfloat): Likewise.
22020 (scc insns): Likewise.
22021 (movsi+2): Preserve sign bits of SImode constant.
22022 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
22023 (movdf+1): Sign-extend properly.
22024 (movdi_32+1): Sign-extend properly.
22025 (scc insns): Sign-extend properly.
22027 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
22030 1999-08-02 Richard Henderson <rth@cygnus.com>
22032 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
22033 -mcpu parsing code.
22034 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
22035 * alpha.md (all fp insns): Likewise.
22037 1999-08-02 Nick Clifton <nickc@cygnus.com>
22039 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
22042 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
22044 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
22045 pic_load_label generator directly.
22046 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
22047 No longer a named pattern.
22049 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
22051 * explow.c (force_reg): Call force_operand if X does not
22052 satisfy general_operand.
22054 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
22056 * fix-header.c (main): When testing for CONTINUED, use string
22057 equality, not pointer equality.
22059 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
22061 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
22063 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
22065 * cse.c (cse_insn): Fix loop which deletes insns after a jump
22066 that has become an unconditional jump.
22068 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
22069 (output_function_epilogue): Similarly.
22071 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22073 * tree.h (init_dummy_function_start): Declare.
22075 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22077 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
22078 last_expr_type, last_expr_value, block_start_count, block_stack,
22079 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
22080 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
22081 dynamically in stmt elt of struct function for each function.
22082 (struct nesting): Rename function_call_count elt to n_function_calls,
22083 target_temp_slot_level to block_target_temp_slot_level. All users
22085 (struct stmt_status): New structure definition.
22086 Add many accessor macros for stmt_status elements which previously
22087 were global variables.
22088 (init_stmt_for_function): Allocate stmt elt for current_function.
22089 Reflect that block_start_count was renamed to
22090 current_block_start_count.
22091 (save_stmt_status, restore_stmt_status): Delete functions.
22092 (preserve_subexpressions_p): Don't access loop_stack when outside
22094 (expand_start_bindings): Reflect that block_start_count was renamed to
22095 current_block_start_count.
22096 (expand_fixup): Likewise.
22097 (expand_decl): Don't access block_stack when outside a function.
22098 (expand_decl_cleanup): Likewise.
22099 (expand_dcc_cleanup): Likewise.
22100 (expand_dhc_cleanup): Likewise.
22101 (expand_anon_union_decl): Likewise.
22102 (set_file_and_line_for_stmt): New function.
22103 (in_control_zone_p): New function.
22105 * function.h (struct function): Add new elt stmt.
22106 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
22107 case_stack, nesting_stack, nesting_depth, block_start_count,
22108 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
22109 emit_lineno, goto_fixup_chain.
22110 (save_eh_status, restore_eh_status, save_stmt_status,
22111 restore_stmt_status): Delete declarations.
22112 * function.c (push_function_context_to): Don't call save_stmt_status.
22113 (pop_function_context_to): Don't call restore_stmt_status.
22114 * tree.h (in_control_zone_p): Declare.
22115 * rtl.h (set_file_and_line_for_stmt): Declare.
22117 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
22118 call set_file_and_line_for_stmt.
22120 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
22122 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
22123 Also update copyright.
22125 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22127 * c-pragma.c: Don't include "except.h".
22128 * emit-rtl.c: Likewise.
22129 * stor-layout.c: Likewise.
22130 * tree.c: Likewise.
22131 * varasm.c: Likewise.
22133 * flow.c: Include "function.h".
22134 * tree.h (init_dummy_function_start): Declare new function.
22136 * except.h (struct eh_status): New structure.
22137 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
22139 (eh_return_stub_label, ehstack, catchstack, ehqueue,
22140 catch_clauses, false_label_stack, caught_return_label_stack,
22141 protect_list, current_function_ehc): Add accessor macros for the
22142 corresponding fields in current_function->eh; delete declarations
22143 for all items that used to be declared here.
22144 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
22145 catch_clauses, false_label_stack, caught_return_label_stack,
22146 protect_list, current_function_ehc): Delete variables.
22147 (init_eh_for_function): Allocate current_function->eh.
22148 (save_eh_status, restore_eh_status): Delete functions.
22150 * function.h (struct function): Add fields next_global and eh.
22151 Delete all exception handling related fields.
22152 * function.c (current_function): New variable.
22153 (all_functions): New variable.
22154 (push_function_context_to): Don't allocate a struct function,
22155 use current_function instead. Call init_dummy_function_start when
22156 outside a function. Clear current_function before returning.
22157 (pop_function_context_from): Restore current_function.
22158 Don't free the restored struct function.
22159 (prepare_function_start): New function.
22160 (init_dummy_function_start): New function.
22161 (init_function_start): Break out some code into prepare_function_start
22164 * stmt.c (save_stmt_status): Don't call save_eh_status.
22165 (restore_stmt_status): Don't call restore_eh_status.
22167 * Makefile.in: Update dependencies.
22169 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
22171 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
22172 of depending on a magic constant value. Update comments.
22173 (hppa_expand_prologue): Similarly.
22175 * pa.md (reload_indi, reload_outdi): Allow any register for the
22176 original reload register.
22178 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
22180 * cccp.c (print_help): Change marcos to macros.
22182 1999-07-30 Richard Henderson <rth@cygnus.com>
22184 * c-typeck.c (initializer_constant_valid_p): Move ...
22185 * c-common.c (initializer_constant_valid_p): ... here. Use
22186 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
22187 of label addresses.
22188 * c-common.h (initializer_constant_valid_p): Declare.
22189 * c-tree.h (initializer_constant_valid_p): Remove.
22191 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
22193 * config/i386/sol2-c1.asm: Align the stack.
22194 * config/i386/sol2-gc1.asm: Likewise.
22196 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
22198 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
22199 -Asparclite for sparc86x.
22200 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
22202 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
22204 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
22206 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
22207 the user if using the non-default arch size in BI_ARCH configuration.
22208 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
22210 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
22211 Fix patterns so that they actually match.
22212 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
22213 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
22214 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
22216 (mulsidi3): Reflect this in the expand.
22217 (smulsi3_highpart): Only on TARGET_ARCH32.
22218 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
22219 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
22220 (umulsidi3): Reflect this in the expand.
22221 (umulsi3_highpart): Only on TARGET_ARCH32.
22222 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
22223 don't require g0 to be zero.
22224 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
22225 ({,u}divsi3): New expands.
22226 ({,u}divsi3_sp64): New patterns.
22227 (after lshrdi3_v8plus): Four new patterns to help combiner
22228 optimizing nested mixed mode shifts.
22230 * config/sparc/sparc.c (sparc_override_options): Use deprecated
22231 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
22232 speed things up. Don't use them by default on plain v9 in 64bit
22233 mode, according to what SPAMv9 sais.
22235 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
22236 top 32 bits of %[og][0-7] in signal handlers.
22237 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
22239 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
22241 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
22242 (ashlsi3): Corresponding changes.
22244 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
22246 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
22248 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
22250 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22252 * arm.h (Hint): Delete macro.
22253 Substitute HOST_WIDE_INT for Hint in some prototypes.
22254 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
22256 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
22258 * builtins.c (expand_builtin_setjmp): Use force_operand to
22259 make sure that the buffer address is in a suitable form to be
22260 passed to force_reg.
22262 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
22264 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
22267 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
22269 * pa.md (indirect_jump): Remove mode from match_operand. Verify
22270 proper mode in the condition string.
22271 (icacheflush, dcacheflush): Remove modes from match_operands.
22273 * pa.c (emit_move_sequence): Always convert scratch_reg to the
22274 proper mode before using it.
22276 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
22279 * pa.c (store_reg): Do not call add_high_const generator directly.
22280 (load_reg, set_reg_plus_d): Likewise.
22281 * pa.md (add_high_const): No longer a named pattern.
22283 * pa.c (legitimize_address): Consistently use Pmode rather than
22284 SImode. Do not call gen_pic2_highpart directly anymore.
22285 * pa.md (pic2_highpart): No longer a named pattern.
22286 (pic2_lo_sum): Similarly. Reformat to make more readable.
22288 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
22293 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22295 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
22297 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
22299 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
22300 and tag the spill mems.
22301 (hppa_va_start): New.
22302 (hppa_va_arg): New.
22303 * pa.h (EXPAND_BUILTIN_VA_START): New.
22304 (EXPAND_BUILTIN_VA_ARG): New.
22306 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
22308 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
22309 and tag the spill mems.
22310 (mn10300_va_start): New.
22311 (mn10300_va_arg): New.
22312 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
22313 (EXPAND_BUILTIN_VA_ARG): New.
22315 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
22317 * mn10200.c (mn10200_va_arg): New.
22318 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
22320 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
22322 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
22323 rather than play with TREE_INT_CST_LOW.
22325 1999-07-27 Philip Blundell <pb@nexus.co.uk>
22327 * config/arm/telf.h: Include dbxelf.h.
22328 (CPP_PREDEFINES): Only define if not already defined.
22329 (ASM_IDENTIFY_GCC): Likewise.
22330 (SUBTARGET_EXTRA_SECTIONS): Likewise.
22331 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
22332 * config/arm/thumb.h (LINK_SPEC): Only define if not already
22334 (DBX_DEBUGGING_INFO): Don't define.
22335 * config/arm/linux-telf.h: New file.
22336 * config/arm/linux-tgas.h: New file.
22337 * config/arm/t-thumb-linux: New file.
22338 * config/arm/uclinux-elf.h: New file.
22339 * config/arm/uclinux-telf.h: New file.
22340 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
22341 thumb-*-uclinux): New targets.
22342 * configure: Regenerate.
22344 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
22346 * pa.md (post_store, pre_load): New expanders.
22347 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
22348 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
22349 need to directly generate RTL for them.
22350 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
22353 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
22355 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
22356 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
22357 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
22358 (secndary_reload_class): Make TARGET_ELF conditional compile.
22359 (print_operand_address): Similar.
22360 (output_toc): Print all values as hex.
22361 (get_issue_rate): Rearrange and add RS64A and PPC630.
22362 * rs6000.h (processor_type): Add RS64A and PPC630.
22363 (PROCESSOR_POWERPC64): New.
22364 (PROMOTE_MODE): Use word_mode.
22365 (RTX_COSTS): Add RS64A and PPC630.
22366 * rs6000.md (scheduling information): Add lmul and ldiv
22367 representing 64-bit integer multiply and divide. Add rs64a and
22368 PPC630 information.
22369 (ashldi3): Add support for "rldic" instruction.
22370 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
22372 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
22374 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
22375 instead of V8 for sparclite86x in cpu_table.
22377 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22379 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
22380 output_file_directive.
22382 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
22384 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
22385 tree for op1, not the rtl.
22387 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
22389 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
22390 to m88k_va_start, leaving only the register spill.
22391 (m88k_build_va_list): New.
22392 (m88k_va_start): New.
22393 (m88k_va_arg): New.
22394 * m88k.h (BUILD_VA_LIST_TYPE): New.
22395 (EXPAND_BUILTIN_VA_START): New.
22396 (EXPAND_BUILTIN_VA_ARG): New.
22398 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
22400 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
22401 Rename from expand_builtin_saveregs.
22402 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
22404 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
22406 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
22407 for the register spill block.
22408 (i960_build_va_list): New.
22409 (i960_va_start): New.
22410 (i960_va_arg): New.
22411 * i960.h (BUILD_VA_LIST_TYPE): New.
22412 (EXPAND_BUILTIN_VA_START): New.
22413 (EXPAND_BUILTIN_VA_ARG): New.
22414 * i960.md (store_multiple): Use change_address on individul mems.
22416 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
22418 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
22420 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
22421 (expand_builtin_va_end): Evaluate arg for side effects.
22422 * c-common.c (c_common_nodes_and_builtins): Construct a
22423 va_list_arg_type_node to handle array decomposition to pointer.
22425 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
22427 * except.c (st_dynamic_cleanup): Use force_operand on the
22430 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
22432 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
22433 * c4x.c (c4x_va_arg): New.
22435 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
22437 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
22438 has manual_pop set.
22440 1999-07-26 Nathan Sidwell <nathan@acm.org>
22442 * eh-common.h (__eh_matcher): Prototype correctly.
22444 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
22446 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
22447 (TARGET_SINGLE_PIC_BASE): Likewise.
22448 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
22450 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
22451 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
22452 (TARGET_OPTIONS): Add -mpic-register=N.
22453 (OUTPUT_INT_ADDR_CONST): New macro.
22454 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
22455 LEGITIMATE_PIC_OPERAND_P): Likewise.
22456 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
22457 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
22458 output_addr_const directly.
22459 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
22461 (thumb_pic_register, thumb_pic_register_string): Declare.
22463 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
22465 (label_mentioned_p): New function: Imported from arm.c.
22466 (legitimize_pic_address): New function: Imported from arm.c.
22467 (is_pic):New function: Imported from arm.c.
22468 (thumb_finalize_pic):New function: Imported from arm.c.
22469 (add_constant): Cope with PIC constants.
22470 (fixit): Cope with PIC constants.
22471 (output_return): Do not treat the PIC register as live if
22472 TARGET_SINGLE_PIC_BASE is true.
22473 (thumb_function_prologue): Do not treat the PIC register as live if
22474 TARGET_SINGLE_PIC_BASE is true.
22475 (thumb_expand_prologue): Do not treat the PIC register as live if
22476 TARGET_SINGLE_PIC_BASE is true.
22477 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
22478 TARGET_SINGLE_PIC_BASE is true.
22479 (thumb_print_operand): Accept '|'.
22480 (thumb_override_options): Process PIC options.
22482 * config/arm/thumb.md (movsi): Support PIC.
22483 (call_insn): Change "i" constraint to "X".
22484 (call_value_insn): Likewise.
22485 (consttable_4, consttable_8, consttable_end): Set and clear
22486 "making_const_table" as appropriate.
22487 (pic_load_addr, pic_add_dot_plus_four): New insns.
22489 * invoke.texi (Thumb Options): Fix spelling. Document new
22490 options -msingle-pic-base and -mpic-register=.
22492 1999-07-26 Andrew Haley <aph@cygnus.com>
22494 * config/m32r/initfini.c (__init): Use a full word immediate for
22495 __fini: this allows it to be placed in any memory region.
22497 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
22498 -mmodel=medium. This is OK for all memory models.
22500 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
22502 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
22503 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
22505 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
22507 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
22510 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
22512 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
22514 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
22515 (BUILD_VA_LIST_TYPE): New.
22516 (EXPAND_BUILTIN_VA_START): New.
22517 (EXPAND_BUILTIN_VA_ARG): New.
22518 * i860.c (output_delayed_branch): Disable.
22519 (output_delay_insn): Likewise.
22520 (i860_saveregs): New.
22521 (i860_build_va_list): New.
22522 (i860_va_start): New.
22523 (i860_va_arg): New.
22524 * i860.md: Disable all peepholes using output_delayed_branch.
22525 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
22527 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
22529 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
22530 (BUILD_VA_LIST_TYPE): New.
22531 (EXPAND_BUILTIN_VA_START): New.
22532 (EXPAND_BUILTIN_VA_ARG): New.
22533 * clipper.c (clipper_builtin_saveregs): Only dump registers.
22534 Return the address of the save area.
22535 (clipper_build_va_list): New.
22536 (clipper_va_start): New.
22537 (clipper_va_arg): New.
22539 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
22541 * arc.h (EXPAND_BUILTIN_VA_START): New.
22542 (EXPAND_BUILTIN_VA_ARG): New.
22543 * arc.c (arc_setup_incoming_varargs): Set alias set of
22545 (arc_va_start): New.
22548 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
22550 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
22551 (BUILD_VA_LIST_TYPE): New.
22552 (EXPAND_BUILTIN_VA_START): New.
22553 (EXPAND_BUILTIN_VA_ARG): New.
22554 * alpha.c (alpha_builtin_saveregs): Delete.
22555 (alpha_build_va_list): New.
22556 (alpha_va_start): New.
22557 (alpha_va_arg): New.
22559 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
22561 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
22563 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
22564 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
22566 * gcc.texi: More changes related to list conversion.
22567 * invoke.texi: Likewise.
22569 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
22571 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
22572 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
22573 (expand_builtin_next_arg): Accept ARGLIST not EXP.
22574 (stabilize_va_list): New function.
22575 (std_expand_builtin_va_start): New function.
22576 (expand_builtin_va_start): New function.
22577 (get_varargs_alias_set): New function.
22578 (std_expand_builtin_va_arg): New function.
22579 (expand_builtin_va_arg): New function.
22580 (expand_builtin_va_end): New function.
22581 (expand_builtin_va_copy): New function.
22582 (expand_builtin): Call them.
22583 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
22584 __builtin_{varargs_start,stdarg_start,end,copy}.
22585 (build_va_arg): New function.
22586 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
22587 (build_va_arg): Declare.
22588 * c-decl.c (ptr_type_node, va_list_type_node): New.
22589 * c-parse.gperf (__builtin_va_arg): New.
22590 * c-parse.in (VA_ARG): New token.
22591 (unary_expr): Recognize it.
22592 * expr.c (expand_expr): Expand VA_ARG_EXPR.
22593 * expr.h (std_expand_builtin_va_start): Declare.
22594 (std_expand_builtin_va_arg): Declare.
22595 (expand_builtin_va_arg): Declare.
22596 (get_varargs_alias_set): Declare.
22597 * tree.def (VA_ARG_EXPR): New.
22598 * tree.h (BUILT_IN_VARARGS_START): New.
22599 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
22600 (ptr_type_node, va_list_type_node): Declare.
22601 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
22602 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
22603 * m88k.h, m88k.c: Likewise.
22604 * mn10300.h, mn10300.c: Likewise.
22605 * pa.h, pa.c: Likewise.
22606 * rs6000.h, rs6000.c: Likewise.
22607 * sh.h, sh.c: Likewise.
22608 * sparc.h, sparc.c: Likewise.
22610 * emit-rtl.c (operand_subword): Copy alias set.
22611 (change_address): Likewise.
22613 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
22615 * pa.c (compute_frame_size): Scan all the used callee saved registers,
22616 not just the first one.
22618 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
22620 * config/arm/arm.h (TARGET_SWITCHES): Add
22621 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
22622 (TARGET_OPTIONS): Add -mpic-register=.
22623 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
22624 (arm_pic_register_string): Declare.
22625 (NEED_PLT_GOT): Delete, replace with ...
22626 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
22627 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
22628 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
22629 * config/arm/arm.c (arm_override_options): Add new option
22631 (arm_pic_register_string): New variable.
22632 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
22633 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
22634 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
22635 (output_return_instruction): Likewise.
22636 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
22637 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
22638 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
22640 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
22641 mention of -msched-prolog. Document new options -msingle-pic-base
22642 and -mpic-register=.
22644 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
22646 * haifa-sched.c (reemit_notes): Tidy.
22647 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
22650 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
22652 * explow.c (trunc_int_for_mode): New function.
22653 (plus_constant_wide): Use it.
22654 * combine.c (simplify_and_const_int): Likewise.
22655 (merge_outer_ops): Likewise.
22656 (simplify_shift_const): Likewise.
22657 * cse.c (simplify_unary_operation): Likewise.
22658 (simplify_binary_operation): Likewise.
22659 * emit-rtl.c (operand_subword): Likewise.
22660 * rtl.h: Declare it.
22662 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22664 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
22665 (use NUM_REGS instead of NUM_INTS).
22667 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22669 * builtins.c: New file.
22670 * expr.c (saveregs_value, apply_args_value): Delete definition,
22671 moved into builtins.c.
22672 (string_constant): No longer static.
22673 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
22674 apply_args_size, apply_result_size, result_vector,
22675 expand_builtin_apply_args, expand_builtin_apply,
22676 expand_builtin_return): Delete functions, moved into builtins.c.
22677 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
22678 * expr.h (saveregs_value, apply_args_value): Declare variables.
22679 (expand_builtin, string_constant): Declare functions.
22680 * Makefile.in: Update to build builtin.o.
22682 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
22684 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
22685 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
22686 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
22687 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
22689 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
22692 1999-07-21 Michael Meissner <meissner@cygnus.com>
22694 * print-rtl.c (print_rtx): Print the names of the virtual
22697 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
22699 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
22700 introduced in previous delta.
22702 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22704 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
22705 to avoid name clash.
22707 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22709 * c-lex.c (yylex) : Correct the test for overflow when lexing
22712 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
22714 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
22715 (adjust_priority): Always call ADJUST_PRIORITY.
22716 (schedule_insn): Only put insns into the ready at cost 0.
22717 (schedule_block): Remove redundant initial sort. Give clock_var
22718 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
22720 * tm.texi (MD_SCHED_REORDER): Update docs.
22722 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
22723 * sparc.c (ultra_reorder_called_this_block): Delete.
22724 (ultrasparc_sched_init): Don't set it.
22725 (ultrasparc_sched_reorder): Don't check it.
22727 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
22729 * rs6000.h (struct rs6000_args): Add sysv_gregno.
22730 * rs6000.c (init_cumulative_args): Init sysv_gregno.
22731 (function_arg_boundary): Align DFmode.
22732 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
22733 to get fp reg and stack overflow correct.
22734 (function_arg): Likewise.
22735 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
22736 (setup_incoming_varargs): Restructure for ABI_V4; use
22737 function_arg_advance to skip final named argument.
22738 (expand_builtin_saveregs): Properly unskip the last integer arg
22739 when doing varargs. Adjust overflow location calculation.
22741 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
22742 explicitly unsigned.
22743 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
22744 (__VA_GP_REGSAVE): Similarly.
22745 (__va_longlong_p): Delete.
22746 (__va_arg_type_violation): New declaration.
22747 (va_arg): Restructure. Flag promotion errors. Align double.
22748 TFmode passed by reference.
22750 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
22751 in the HOST_BITS_PER_WIDE_INT > 32 case.
22753 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
22755 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
22757 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
22759 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
22760 * toplev.c (documented_lang_options): Add -fpreprocessed.
22761 * cpplib.h (struct cpp_buffer): Add preprocessed.
22762 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
22763 (cpp_start_read): Don't expand macros or emit an initial #line
22764 directive if -fpreprocessed.
22766 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22768 * cpplib.h (struct cpp_buffer): Added manual_pop for
22769 better C++ tokenization.
22770 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
22771 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
22772 * c-common.c (cpp_token): Make non-static.
22774 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22776 * c-common.h: New file.
22777 * c-common.c (permanent_obstack): Delete unused declaration.
22778 (c_global_trees): New array.
22779 (c_common_nodes_and_builtins): New function; split off common code
22780 from init_decl_processing in both c-decl.c and cp/decl.c.
22781 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
22782 c_global_trees and accessor macros defined in c-common.h.
22783 Include c-common.h.
22784 * c-decl.c: Delete definitions for tree nodes that were replaced by
22786 (init_decl_processing): Build void_list_node.
22787 Call c_common_nodes_and_builtins; delete code to generate the common
22789 * objc/objc-act.c (build_module_descriptor): Rename variable
22790 void_list_node to avoid clash with c-common.h.
22792 * Makefile.in: Update dependencies.
22793 * objc/Make-lang.in: Likewise.
22795 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
22797 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
22798 (UNIQUE_SECTION_P): Likewise.
22799 (UNIQUE_SECTION): Likewise.
22801 1999-07-19 Linas Vepstas <linas@linas.org>
22803 * config/i370/README: New file.
22804 * config/i370/linux.h: New file.
22805 * config/i370/mvs.h: New file.
22806 * config/i370/oe.h: New file.
22807 * config/i370/t-linux: New file.
22808 * config/i370/t-mvs: New file.
22809 * config/i370/t-oe: New file.
22810 * config/i370/x-oe: New file.
22811 * config/i370/xm-linux.h: New file.
22812 * config/i370/xm-mvs.h: New file.
22813 * config/i370/xm-oe.h: New file.
22815 * i370.c (label_node_t): Add first_ref_page, label_addr,
22816 label_first_ref, label_last_ref members.
22817 (mvs_need_base_reload): Renamed from mvs_label_emitted.
22818 (MAX_MVS_LABEL_SIZE): Define.
22819 (MAX_LONG_LABEL_SIZE): Define.
22820 (alias_node_t, alias_anchor, alias_number): New.
22821 (mvs_function_table): Reorder for EBCDIC.
22822 (ascebc, ebcasc): Unconditionally define.
22823 (i370_branch_dest, i370_branch_length): New functions.
22824 (i370_short_branch, i370_label_scan): New functions.
22825 (mvs_get_label): Renamed from mvs_add_label. Search for
22826 an existing label before creating a new one.
22827 (mvs_add_label): New function.
22828 (mvs_get_label_page): New function.
22829 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
22830 over the entire list.
22831 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
22832 (mvs_check_page) [TARGET_ELF_ABI]: New function.
22833 (mvs_add_alias, mvs_need_alias): New functions.
22834 (mvs_get_alias, mvs_check_alias): New functions.
22835 (handle_pragma): New function.
22836 (mvs_function_check): New function.
22837 (unsigned_jump_follows_p): Search harder.
22838 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
22839 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
22840 * i370.h (TARGET_VERSION): Delete.
22841 (CPP_SPEC, CPP_PREDEFINES): Delete.
22842 (mvs_label_emitted): Delete.
22843 (TARGET_EBCDIC): Delete.
22844 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
22845 (HANDLE_PRAGMA): Define.
22846 (HARD_REGNO_NREGS): Handle complex modes.
22847 (HARD_REGNO_MODE_OK): Likewise.
22848 (CLASS_MAX_NREGS): Likewise.
22849 (RET_REG): Likewise.
22850 (EXTRA_CONSTRAINT): Define.
22851 (RETURN_IN_MEMORY): True for DImode.
22852 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
22853 (FUNCTION_PROFILER): Delete.
22854 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
22855 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
22856 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
22857 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
22858 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
22859 (ASM_FILE_START): Add "RMODE ANY".
22860 (ASM_OUTPUT_EXTERNAL): Check for aliases.
22861 (ASM_GLOBALIZE_LABEL): Likewise.
22862 (ASM_OUTPUT_LABELREF): Likewise.
22863 (ASM_OUTPUT_COMMON): Likewise.
22864 (PRINT_OPERAND): Handle 'K', 'W', default.
22865 (PRINT_OPERAND_ADDRESS): New.
22866 (Lots of defines): Add support for TARGET_ELF_ABI.
22867 * i370.md (attr length): New. Define for all patterns.
22868 (*): Lots of tweeks to assembly output and constraints.
22870 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
22872 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
22873 Disable patterns performing SImode comparisons with SImode values
22874 if TARGET_POWERPC64 and instruction does not sign-extend or does
22875 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
22876 differ for signed quantities.
22877 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
22878 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
22879 (decrement_and_branch_on_count): Add 64-bit variant.
22881 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22883 * final.c (output_asm_insn): When searching for the matching string
22884 for a given dialect, don't run past the end of the list of
22885 alternatives if there are fewer alternatives in the template than
22888 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
22890 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
22891 Removed paragraph about compression of files and size limitation,
22892 duplicated in the FAQ. Use gcc-patches for posting patches.
22893 * gcc.c (main): Updated URL with bug reporting instructions to
22894 gcc.gnu.org. Removed e-mail address.
22895 * system.h (abort): Likewise.
22897 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22899 * Makefile.in (stmp-multilib-sub): Make the files extracted
22900 from $(LIBGCC1) writable.
22902 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
22904 * config/arm/aout.h: Reformat for improved readability.
22906 * config/arm/arm.h: Reformat for improved readability.
22907 Replace uses of fprintf with asm_fprintf where appropriate.
22908 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
22909 function declaration assembler actions.
22910 (NUM_INTS): New macro: Convert from bytes to words.
22911 (NUM_REGS): New macro: Compute number of registers required to
22912 hold a quanitity of tyep MODE.
22913 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
22915 (NUM_ARG_REGS): New macro: The number of argument registers
22917 (ARG_REGISTER): New macro: Compute the register number of the Nth
22919 (LAST_ARG_REGNUM): New macro: The number of the last argument
22921 (SP_REGNUM): New macro: Register number of the stack pointer.
22922 (FP_REGNUM): New macro: Register number of the frame pointer.
22923 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
22924 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
22925 CUMULATIVE_ARGS so that it counts registers not bytes.
22927 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
22929 Replace uses of fprintf with asm_fprintf where appropriate.
22930 (output_ascii_pseudo_op): Replace with version from thumb.c
22932 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
22934 * config/arm/elf.h (CPP_PREDEFINES): Replace with
22935 SUBTARGET_CPP_SPEC.
22936 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
22937 (ASM_FILE_START): Emit ASM_APP_OFF.
22939 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
22941 * pa.c (compute_frame_size): Round frame according to
22942 STACK_BOUNDARY rather than a hardwired value.
22944 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
22946 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
22948 * configure: Rebuilt.
22950 * configure.in (hppa*-*-linux*): New configuration.
22951 * configure: Rebuilt.
22952 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
22953 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
22954 * pa/pa-linux.h: New file.
22955 * pa/t-linux: New file.
22956 * pa/xm-linux.h: New file.
22958 * pa.c (hppa_legitimize_address): Change references from SImode to
22959 either Pmode or word_mode as appropriate.
22960 (emit_move_sequence, store_reg, load_reg): Likewise.
22961 (set_reg_plus_d, hppa_expand_prologue): Likewise.
22962 (output_mul_insn): Likewise.
22963 * pa.h (PROMOTE_MODE): Likewise.
22964 (INITIALZE_TRAMPOLINE): Likewise.
22965 (Pmode): Define to word_mode.
22967 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
22968 value of 4. Allocate 8 bytes for each FP register save.
22969 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
22971 (hppa_expand_prologue): Likewise.
22972 * pa.h (PROMOTE_MODE): Likewise.
22973 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
22974 (FUNCTION_ARG_BOUNDARY): Likewise.
22976 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
22978 * pa.c (out_of_line_prologue_epilogue): Delete.
22979 (override_options): Remove -mspace related code.
22980 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
22981 (compute_frame_size): Only allocate space for register that
22982 actually need to be saved.
22983 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
22984 (TARGET_SWITCHES): Remove -mspace, -mno-space
22985 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
22986 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
22987 * pa/ee.asm, pa/ee_fp.asm: Delete.
22989 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
22991 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
22992 directive in column zero.
22994 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
22996 * m68k.c (output_function_prologue): Fix computation of save mask
22997 when generating PIC code.
22999 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
23001 * tree.c (build_type_attribute_variant): Move current_obstack restore
23002 after build_qualified_type call.
23004 1999-07-15 Mark Mitchell <mark@codesourcery.com>
23006 * configure.in: Use t-iris6, even with GNU LD.
23007 * config/mips/iris6gld.h: Fix typo in linker spec.
23008 * config/mips/t-iris6gld: Remove.
23010 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
23012 * rs6000.md (insv, extzv): Remove SImode dependence in named
23013 patterns. Explicitly generate DImode RTL if PowerPC64 and
23015 (insvdi): Reverse start and size in instruction template.
23017 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
23019 * invoke.texi: Typo fixes.
23021 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
23023 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
23024 handle at this time instead of silently generating incorrect code.
23025 (gen_imagpart): Likewise.
23027 * reload.c (find_reloads): Emit a USE for a pseudo register without
23028 a hard register if we could not create an optional reload for the
23031 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23033 * c-typeck.c (output_init_element, process_init_element):
23034 When advancing constructor_unfilled_fields for a RECORD_TYPE,
23035 check for nameless bit fields.
23037 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
23039 * regclass.c (scan_one_insn): Notice subregs that change the
23040 size of their operand.
23041 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
23043 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
23045 * configure.in (alpha*-*-*): Include alpha/t-ieee.
23046 * configure: Rebuilt.
23047 * alpha/t-ieee: New file.
23049 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
23051 * rs6000.c (find_addr_reg): Do not select r0 as an address
23054 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
23056 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
23058 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
23060 * rs6000.md (movsf): Do not force easy FP constants into memory.
23062 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
23063 immed_double_const to ensure they are properly truncated then
23066 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
23068 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
23069 always unless NO_DEBUG is used. Compile this code
23071 (replace_symbols_in_block): Compile it unconditionally.
23073 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
23075 * configure.in (i?86-*-elf*): New target.
23076 * configure: Rebuilt.
23077 * i386/i386elf.h, i386/t-i386elf: New files.
23079 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23081 * toplev.c (main): Don't complain about saying -gdwarf.
23082 (rest_of_compilation): Remove redundant code.
23084 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
23086 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
23088 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
23090 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
23091 "Li960R:", to avoid name clash.
23093 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23095 * loop.c (check_dbra_loop): When reversing a loop, delete all
23096 REG_EQUAL notes referencing the reversed biv except those which are
23097 for a giv based on it.
23099 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
23101 * version.c: Drop "gcc-" prefix from version #.
23103 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
23105 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
23106 the label if we're being verbose.
23108 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
23110 * m68k.c (output_function_prologue): Add pic register to mask
23111 if live and flag_pic.
23112 (output_function_epilogue): Likewise.
23114 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
23116 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
23117 directives in column zero.
23119 * pa/elf.h (ASM_FILE_START): Define.
23120 * pa/som.h (ASM_FILE_START): Include .level directives.
23121 * pa/hpux10.h (ASM_FILE_START): Delete.
23122 * pa/hpux11.h (ASM_FILE_START): Delete.
23124 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
23126 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23128 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
23129 when reload_out equals reload_in.
23131 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
23133 * invoke.texi (Spec Files): New node: Describe the contents of
23136 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
23138 * invoke.texi (DEC Alpha Options): Put @end table at
23139 beginning of line, to avoid confusing texi2html.
23141 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
23143 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
23144 introduced in previous delta.
23146 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23148 * reload1.c (gen_reload): When synthesizing a 3 operand add
23149 sequence, improve test for when to reload OP1 into the reload
23150 register instead of OP0.
23152 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
23154 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
23156 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
23158 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
23161 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
23163 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
23164 (va_dcl): Use __builtin_va_alist_t.
23166 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
23168 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
23169 on the permanent_obstack.
23170 * dwarfout.c (output_type): Likewise.
23172 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
23174 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23175 Merged from c-typeck.c and cp/typeck.c.
23176 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23177 Merged into c-common.
23179 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
23181 * c-lex.c (errorcount): Declare it.
23182 (finish_parse): Update errorcount when using CPPLIB.
23184 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
23186 * fixinc/inclhack.def(end_else_label): Double the backslash so
23187 sed gets a chance to see it.
23188 * fixinc/inclhack.sh: regen
23189 * fixinc/fixincl.x: regen
23191 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
23193 Add framework to support armv5 architecture when it becomes
23196 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
23197 (arm_arch5): New variable.
23198 (all_architectures): Add armv5 line.
23199 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
23200 -march=armv5 is specified on the command line.
23201 (arm_arch5): Export this variable.
23202 * invoke.texi: Document new string accepted by -march= switch for
23205 * config/arm/arm.h: Replace use of constant 12 as a register
23206 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
23207 * config/arm/arm.c: Replace use of constant 12 as a register
23208 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
23210 * config/arm/elf.h: Tidy up.
23211 * config/arm/coff.h: Tidy up.
23213 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
23215 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
23216 * gcc/config/mips/t-iris6gld: New file.
23217 * gcc/config/mips/iris6gld.h: Likewise.
23219 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
23221 * c-decl.c (widest_integer_literal_type_node,
23222 widest_unsigned_literal_type) : New.
23223 (init_decl_processing): Handle/use the two new types.
23224 * c-common.c (type_for_size,type_for_mode) : Same.
23225 * c-lex.c (yylex) : Same.
23226 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23228 * c-tree.h (widest_integer_literal_type_node,
23229 widest_unsigned_literal_type) : New.
23231 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
23233 * dwarfout.c (field_byte_offset): Correctly compute the object's
23234 byte offset for the first bit of a field which crosses an alignment
23235 boundary on a !BYTES_BIG_ENDIAN target.
23237 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
23239 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
23242 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
23243 Jeff Law <law@cygnus.com>
23245 * ginclude/varargs.h (va_dcl): Use word_mode for type of
23248 * except.c: Include intl.h.
23249 (expand_eh_return): Set current_function_cannot_inline.
23250 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
23251 * function.h (struct function): Add eh_return_stub_label.
23252 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
23253 * Makefile.in (except.o): Depend on intl.h.
23255 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
23257 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
23258 same as offsettable in cases 1 and 2.
23260 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
23262 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
23263 (extlh, extwh): Likewise.
23265 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
23267 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
23269 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
23271 * configure.in: Add arm-pe and thumb-pe targets.
23272 * configure: Regenerate.
23274 * thumb.c (arm_naked_function_p): New function: Determines if
23275 a function is naked (has no gcc generated prologue/epilogue).
23276 (is_called_in_ARM_mode): Return true if the func has the
23277 interfacearm attribute.
23278 (output_return): Do not generate a return for naked functions.
23279 (thumb_function_prologue): Do not generate a prologue for
23281 (thumb_expand_prologue): Do not generate a prologue for naked
23283 (thumb_expand_epilogue): Do not generate an epilogue for naked
23285 (arm_valid_machine_decl_attribute): New function, copied from
23286 arm.c: Permit naked and interfacearm attributes.
23288 * config/arm/pe.c: New file: Support code for arm-pe target.
23289 * config/arm/pe.h: New file: Header file for arm-pe target.
23290 * config/arm/tpe.h: New file: Header file for thumb-pe target.
23291 * config/arm/t-thumb-pe: New file: Makefile fragment for
23294 1999-07-01 Mark Kettenis <kettenis@gnu.org>
23296 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
23297 -fPIC or -fpic is specified.
23299 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
23301 * expr.c (emit_block_move): Use copy_to_mode_reg for
23302 !TARGET_MEM_FUNCTIONS case too.
23304 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
23306 * configure: Rebuilt.
23307 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
23308 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
23309 definitions made redundant by dbxelf.h inclusion. Delete
23310 lots of definitions related to assembly output that are
23311 specific to the SOM object format.
23312 * pa.c (output_function_prologue): Do not emit the function's
23314 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
23315 * pa-pro.h: Deleted.
23316 * som.h: New file with SOM specific definitions.
23317 * elf.h: New file with ELF specific definitions.
23319 * elfos.h (const_section): Output a tab before assembler directives.
23320 (ctors_section, dtors_section): Likewise.
23321 (ASM_OUTPUT_SECTION_NAME): Likewise.
23323 * pa/pa1.h: Delete unused file.
23325 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
23327 * configure.in (hppa*-hp-hpux11*): New configuration.
23328 * configure: Rebuilt.
23329 * pa/pa-hpux11.h: New file.
23330 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
23333 * mips.md (leasi, leadi): New patterns.
23335 * expr.c (emit_block_move): Properly handle case where one of the
23336 block move arguments has a queued increment or decrement.
23337 (clear_storage): Similarly. Fix formatting goof.
23339 1999-06-28 "David O'Brien" <obrien@NUXI.com>
23341 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
23342 semicolon from the BSD VA_LIST replacement expression.
23344 * fixinc/inclhack.sh: regen
23345 * fixinc/fixincl.x: regen
23347 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
23348 now use the fixincl program.
23350 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
23352 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
23353 case. Also make the PIC register call_used.
23355 * m68k.h (FINALIZE_PIC): Delete.
23356 * m68k.c (finalize_pic): Delete.
23358 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
23360 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
23363 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
23365 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
23367 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
23369 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
23371 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
23373 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
23375 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
23377 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
23379 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
23381 * rs6000.c (output_toc): Always use hex values for floating-point
23382 constants. Store single-precision values in upper-half of TOC
23383 entry in 64-bit mode.
23384 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
23385 to final constraints.
23386 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
23387 (fctiwz): Improve accuracy of RTL for pattern.
23389 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
23391 * expr.c (expand_expr): Allow RTL_EXPR's through the
23392 MAX_INTEGER_COMPUTATION_MODE checks.
23394 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
23396 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
23397 such that MASK_SUPPORT_ARCH is not negative.
23399 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
23401 * loop.c (verify_dominator): Properly handle ADDR_VEC and
23402 ADDR_DIFF_VEC insns that appear inside loops.
23404 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
23405 Jeff Law <law@cygnus.com>
23407 * rs6000.md (movdf_hardfloat32): Revert previous patch.
23408 Handle LO_SUM the same as offsettable in cases 1 and 2.
23409 * rs6000.c (find_addr_reg): Revert previous patch.
23411 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
23413 * system.h (strstr): New external function declaration.
23414 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
23415 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
23416 * config.in, configure: Rebuilt.
23418 1999-06-24 Tom Tromey <tromey@cygnus.com>
23420 * gcc.c (main): Read user-specified specs files after computing
23421 additional startfile_prefixes.
23423 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
23425 Revert these two patches:
23427 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23428 * loop.c (strength_reduce): When doing biv->giv conversion, update
23429 reg note of NEXT->insn.
23431 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23432 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23434 (recombine_givs): Set ix field after sorting.
23436 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23438 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
23439 for the parts of an UNSPEC / UNSPEC_VOLATILE.
23441 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
23443 *fixinc/inclhack.def: Add fix development commentary
23444 (read_ret_type): reactivate and add selection clause
23445 (zzz_*): tweak output file name to match what is used in hackshell.tpl
23446 *fixinc/{fixincl.x|inclhack.sh}: regen
23448 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
23450 * expr.c (expand_expr): STRIP_NOPS before checking against
23451 MAX_INTEGER_COMPUTATION_MODE
23452 (check_max_integer_computation_mode): Likewise.
23454 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
23456 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
23458 1999-06-22 Jim Wilson <wilson@cygnus.com>
23460 * expr.c (store_expr): When target is a promoted subreg, return a
23461 promoted subreg as a result.
23463 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
23465 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
23467 (dwarf2out_define): Mark unused parameters appropriately.
23468 (gen_unspecified_parameters_die): Ditto.
23469 (gen_subprogram_die): Fix signed/unsigned warnings.
23470 (gen_variable_die): Ditto.
23472 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
23474 * fixinc/inclhack.def(end_else_label): combined else_label
23475 and endif_label and fixed the sed expression.
23476 *fixinc/{fixincl.x|inclhack.sh}: regen
23478 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
23480 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
23481 'x' when handling non-offsettable addresses
23483 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
23485 * final.c (shorten_branches): Don't try to split an insn that has
23488 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
23490 * config/mips/mips.c (symbolic_expression_p): New function.
23491 (mips_select_rtx_section): Put symbolic expressions in the
23492 data section, not the read-only data section.
23494 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
23496 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
23498 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
23500 * collect2.c (main): Log frame table count.
23501 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
23502 (scan_prog_file) [COFF]: Handle frame tables.
23504 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
23505 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
23506 * alpha/elf.h: Undef them again.
23507 * alpha/vms.h: Remove their definitions.
23509 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23511 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
23512 remove the clobber of r0 and change the REG_UNUSED note to
23515 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
23517 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
23518 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
23519 fits in HOST_WIDE_INT and one uses union to access a long constant
23522 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
23524 * sparc.c (sparc_override_options): Don't allow profiling for
23525 code models other than medlow.
23526 (sparc_function_profiler): New function from old FUNCTION_PROFILER
23527 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
23528 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
23529 (sparc_block_profiler): Likewise.
23530 (sparc_function_block_profiler_exit): Likewise.
23531 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
23532 (FUNCTION_BLOCK_PROFILER): Likewise.
23533 (BLOCK_PROFILER): Likewise.
23534 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
23535 (MCOUNT_FUNCTION): New.
23536 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
23537 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
23538 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
23539 (MCOUNT_FUNCTION): New.
23540 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
23541 (BLOCK_PROFILER): Delete.
23542 (MCOUNT_FUNCTION): New.
23544 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
23546 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
23548 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
23550 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23553 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23556 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23559 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23562 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
23564 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
23567 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
23569 * i386/djgpp.h (LIB_SPEC): New.
23570 (STARTFILE_SPEC): New.
23572 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
23574 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
23576 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
23579 * system.h (WSTOPSIG): New macro.
23581 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
23583 * c-pragma.c (push_alignment): Don't ignore alignments greater than
23585 (insert_pack_attributes): Take into account member natural
23588 * i386/winnt.c (exports_head): New static variable.
23589 (i386_pe_record_exported_symbol): New function.
23590 (i386_pe_asm_file_end): Use.
23591 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
23592 symbols to be emitted at end of assembly.
23593 (ASM_DECLARE_OBJECT_NAME): Likewise.
23594 (ASM_DECLARE_FUNCTION_NAME): Likewise.
23596 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
23599 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
23601 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
23604 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
23606 * haifa-sched.c (sched_analyze_1): Use free_list instead of
23607 zapping reg_last_uses directly.
23608 (sched_analyze_2, sched_analyze_insn): Likewise.
23609 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
23611 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
23613 * rs6000.md (movdf_hardfloat32): Use worst case insn length
23614 attributes for cases 1 and 2.
23616 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
23618 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
23621 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
23623 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
23625 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
23627 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
23628 PIC_OFFSET_TABLE_REGNUM for general alloaction.
23629 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
23630 must be stacked if it is used for PIC accesses.
23631 * arm.c (use_return_insn): Handle PIC register specially.
23632 (output_return_instruction): Likewise.
23633 (output_func_{prologue,epilogue}): Likewise.
23634 (output_expand_prologue): Likewise.
23636 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
23637 (*strsi_predec): Renamed from *strqi_predec.
23638 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
23639 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
23641 * arm.c (arm_override_options): Remove warning about PIC code
23642 not being supported.
23644 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
23646 * rs6000.c (find_addr_reg): New function.
23647 * rs6000.h (find_addr_reg): Declare.
23648 (offsettable_addr_operand): Delete.
23649 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
23650 from and stores to GPRs.
23652 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
23654 * alpha.c (alpha_expand_block_move): Use get_insns rather than
23655 gen_sequence as argument to emit_no_conflict_block.
23657 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23659 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
23660 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
23661 *fixinc/fixincl.x: regen
23662 *fixinc/inclhack.sh: regen
23664 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
23666 * added support for -mpcrel (PC relative addressing for m68k)
23667 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
23668 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
23669 * m68k.c (print_operand_address): Handle 32-bit PIC case.
23670 (comments for general_src_operand): Add some explanation
23671 about EXTRA_CONSTRAINTS.
23672 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
23673 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
23674 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
23675 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
23676 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
23677 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
23678 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
23679 if not already set.
23680 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
23681 * m68k.h (TARGET_PCREL): New target flag.
23682 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
23683 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
23684 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
23685 contains a SYMBOL_REF. Relax this constraint during reload, since
23686 we want to use the predicates, not reload's built-in concept of a
23687 valid memory address, to control what insns need reloading.
23688 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
23689 operands (essentially 'g', 'm', and 's' under normal circumstances).
23690 * m68k.c (print_operand): Cause printing of pc-relative addresses
23691 to include pc register.
23692 (print_operand_address): Ditto.
23693 (general_src_operand): Accept operands that are not only
23694 general_operands, but are also valid when used as a pc-relative
23696 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
23697 (memory_src_operand): Similar, for memory_operands.
23698 (pcrel_address): New predicate to accept the special case of a
23699 pc-relative address.
23700 * m68k.md (many patterns): Rewrite common SImode, HImode, and
23701 QImode insns to accept *_src_operand instead of *_operand where
23702 pc-relative operands can fit. For example, a pc-relative operand
23703 can be used as a memory source operand for addsi3, but not as a
23704 memory destination.
23705 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
23707 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
23709 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
23710 .thumb_set pseudo op to mark aliases of thumb functions.
23712 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
23714 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
23715 preference to ASM_OUTPUT_DEF, if it is defined.
23717 * tm.texi: Document new, optional target macro
23718 ASM_OUTPUT_DEF_FROM_DECLS.
23720 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23722 * fixincludes: ISCNTL patch
23723 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
23724 (dgux_int_varargs): new for DG/UX
23725 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
23727 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
23729 * invoke.texi (ia32 options): Fix typo.
23731 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23733 * loop.c (strength_reduce): When doing biv->giv conversion, update
23734 reg note of NEXT->insn.
23736 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
23738 * loop.c (move_movables): Note issues with replacing REGs with
23740 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
23742 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
23744 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
23746 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
23747 the reference to `mcount' was not correct for the ELF on FreeBSD.
23749 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23751 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23754 (recombine_givs): Set ix field after sorting.
23756 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
23758 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
23759 to safe to extract a subword out of a REG.
23761 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23763 * sh.md (mulsi3): Don't add a no-op move at the end.
23765 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23767 * cse.c (cse_insn): Don't put hard register source into tables for
23768 the last insn of a libcall.
23770 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23772 * loop.c (strength_reduce): Insert sets of derived givs at every
23773 biv increment, even if it's the only one.
23775 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
23777 * dwarfout.c (add_incomplete_type): New fn.
23778 (output_type): Call it.
23779 (retry_incomplete_types): New fn.
23780 (dwarfout_finish): Call it.
23782 From Eric Raskin <ehr@listworks.com>:
23783 (output_type): Output types for bases.
23785 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23787 * mips.c (mips_output_conditional_branch): Add `break'
23788 between `default' label and `close braces'.
23790 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
23792 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
23793 specifications and make it realistic.
23794 (LIB_SPEC): Likewise.
23796 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
23798 * config/mips/mips.c (mips_secondary_reload_class): Check for
23799 (PLUS (SP) (REG)) and return appropriate register class.
23800 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
23801 Handle (PLUS (SP) (REG)).
23802 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
23803 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
23804 of emit_insn for tablejump.
23806 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
23808 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
23809 asm_fprintf format string by itself.
23810 (output_function_profiler): Likewise.
23812 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
23814 * combine.c (simplify_logical, case AND): Only call
23815 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
23816 or the constant is positive.
23818 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
23820 * configure.in: Fix typo in rs6000-ibm-aix4 case.
23821 * configure: Regenerate.
23823 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
23825 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
23826 require a sub-version #.
23827 * configure: Rebuilt.
23829 1999-06-14 Robert Lipe (robertlipe@usa.net)
23831 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
23833 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
23835 * c-typeck.c (process_init_element): Detect excess elements in
23836 char array initializer.
23838 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
23840 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
23842 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
23844 * invoke.texi (Option Summary): Add -fpermissive flag.
23846 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
23848 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
23849 that require PIC code sequences.
23851 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
23853 * configure.in: Add new target: thumb-elf.
23854 * configure: Regenerate.
23855 * config/arm/t-thumb-elf: New file: Makefile fragment for
23857 * config/arm/telf.h: New file: Header file for thumb-elf
23860 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
23862 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
23863 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
23864 initializers is some circumstances.
23866 * fixinc/inclhack.def (endif_label): Add additional selector for
23867 more bogus stuff after #endif statements.
23868 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
23870 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
23872 * i386/cygwin.h (SET_ASM_OP): Define.
23874 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
23876 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
23878 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23880 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
23883 * sh.md (ic_invalidate_line_i): Remove second alternative.
23885 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23887 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
23888 test for the presence of valid prototypes. Delete bypass expr.
23889 (ioctl_fix_ctrl): Correct the selection expression.
23890 (no_double_slash): Correct quoting rules
23891 *fixinc/fixincl.x: regen
23892 *fixinc/inclhack.sh: regen
23894 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
23896 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
23898 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23900 * rs6000.md (movsi_got_internal_mem): Delete.
23901 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
23902 (GOT_TOC_REGNUM): Delete.
23903 (PIC_OFFSET_TABLE_REGNUM): Define.
23904 (FINALIZE_PIC): Disable.
23905 * rs6000.c (rs6000_got_register): New code for fixed pic register.
23906 (rs6000_replace_regno): Delete.
23907 (rs6000_finalize_pic): Likewise.
23908 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
23910 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23912 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
23913 is a note; use <= for the compare; advance P while it is
23916 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
23918 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
23919 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
23921 * varasm.c (remove_from_pending_weak_list): Verify t->name
23922 is non-NULL before passing it to strcmp.
23924 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23926 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
23927 the typed arguments are not part of a comment
23928 (ioctl_fix_ctrl): Added a purpose comment
23929 *fixinc/fixincl.x: regenerate
23930 *fixinc/inclhack.sh: regenerate
23932 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23934 * invoke.texi: Add C4x invocation docs.
23936 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23938 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
23940 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
23942 (c4x_legitimize_reload_address): New function.
23943 * config/c4x/c4x.md: Update docs.
23945 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
23947 * fixincludes: Avoid removing '.'.
23948 * fixinc/fixinc.svr4: Likewise.
23949 * fixinc/fixinc.winnt: Likewise.
23950 * fixinc/inclhack.tpl: Likewise.
23951 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
23953 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23955 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
23957 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
23959 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
23961 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
23964 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
23966 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
23967 * configure: Regenerate.
23969 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
23971 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
23974 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
23976 * fixinc/inclhack.def (avoid_bool): Also catch
23977 "typedef [unsigned] int bool".
23978 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
23980 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
23981 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
23982 * configure: Rebuilt.
23984 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
23986 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
23987 such that we can override its definitions if necessary.
23988 (CPP_SPEC): New define. Support processor specific predefines via
23990 (CC1_SPEC): New define. Support processor specific compiler
23991 options via %(cc1_cpu).
23992 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
23995 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23997 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
23998 between sed's -e flag, and the open-quote following it.
23999 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
24001 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
24002 Jeffrey A Law (law@cygnus.com)
24004 * varasm.c (assemble_start_function): Remove the function
24005 from the pending weak decls list when we define a function.
24006 (assemble_variable): Similarly for variables.
24007 (weak_finish): Ignore items on the list with a NULL name.
24008 (remove_from_ending_weak_list); New function to "remove" an item
24009 from the pending weak declarations list.
24011 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24013 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
24015 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
24017 * c-lex.c (GETC): Redefine to call getch.
24018 (UNGETC): Redefine to call put_back.
24019 (putback_buffer): New structure type.
24020 (putback): New static structure.
24021 (getch): New function.
24022 (put_back): New function.
24023 (yylex): Replace unused bytes from bad multibyte character.
24025 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
24027 * cpplib.c (do_define): Cast `alloca' return value.
24028 (do_include, do_undef, do_pragma): Likewise.
24029 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
24031 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
24032 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
24034 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
24036 * sparc.md (abstf2): This should be an expand.
24037 (split after abstf2_notv9): Fix mode.
24038 (abstf2_hq_v9): New pattern.
24039 (abstf2_v9): Only use when no hard quad.
24040 (absdf2_v9): Fix if target is not the same as source.
24041 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
24042 Add correct output constraints.
24044 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
24046 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
24047 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
24049 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
24051 * mips.h (mips_output_conditional_branch): New function.
24052 (mips_adjust_insn_length): Likewise.
24053 (ASSEMBLER_SCRATCH_REGNUM): New macro.
24054 (ADJUST_INSN_LENGTH): Likewise.
24055 * mips.c (print_operand): Add `F' and `W' for floating-point
24056 comparison opcodes.
24057 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
24059 (mips_adjust_insn_length): New function.
24060 (mips_output_conditional_branch): New function.
24061 * mips.md (length): Adjust attribute definition to handle
24062 conditional branches. Change lengths to bytes, rather than
24063 instructions throughout. Remove length attribute from
24064 instructions whose length is four bytes, and rely on the default
24066 (dslot): Fix typo in comment.
24067 Reword conditional branch patterns to use
24068 mips_output_conditional_branch.
24070 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
24072 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
24073 (LIB_SPEC): Likewise.
24074 Link with -lprof1_r for -g/-pg.
24076 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24078 * loop.c (check_dbra_loop): Fix change of Jan 19.
24080 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
24082 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
24083 (STARTFILE_SPEC): Define, override the svr4.h version.
24084 (ENDFILE_SPEC): Likewise.
24086 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
24088 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
24089 * fixinc/fixincl.x: Regenerated.
24090 * fixinc/inclhack.sh: Regenerated.
24092 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24094 * sh.c (barrier_align): Don't return early for normal branch/barrier
24095 when optimizing for SH2.
24097 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
24099 * i386/udk.h (LINK_SPEC): Correct linker search path for
24102 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24104 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
24105 (braf_label_ref_operand): Delete.
24106 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
24107 * sh.md (casesi_jump_2): Operand1 is now the inside of a
24108 label_ref, and has no predicate.
24109 The patten has a predicate to guard against invalid substitutions.
24110 (dummy_jump): Delete.
24111 (casesi): Update use of casesi_jump_2.
24113 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24115 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
24116 *fixinc/fixincl.x: regenerate
24117 *fixinc/inclhack.sh: regenerate
24119 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
24121 * dwarf2out.c (add_incomplete_type): New fn.
24122 (gen_struct_or_union_type_die): Call it.
24123 (retry_incomplete_types): New fn.
24124 (dwarf2out_finish): Call it.
24126 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
24128 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
24129 current block starts with a CODE_LABEL and ends with a CALL and
24130 we can not find all the argument setup instructions for the CALL.
24132 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
24134 Revert this change:
24135 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
24136 something is a candidate for optimize_bit_field_compare.
24138 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24140 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
24142 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
24144 * alpha.c (override_options): Thinko in last patch.
24146 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
24147 (LIB_SPEC): Recognize -pthread.
24149 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
24151 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
24152 definition in config/arm/coff.h
24153 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
24155 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24157 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
24158 fixes that need "file=xxx\n" prepended before invocation
24159 (start_fixer - new): starting the fixer process is complex enough
24160 to warrent its own routine. It prepends the "file=xxx\n" stuff.
24161 (process): uses the new routine; omit usage of putenv()
24162 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
24163 * fixinc/fixincl.x: regenerate
24165 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
24167 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
24168 and version #s (1.1 -> 2.96) as needed.
24169 * README.g77: Kill way out of date file in the toplevel directory.
24171 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
24173 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
24174 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
24175 * configure: Rebuilt.
24176 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
24177 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
24178 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
24179 (SWITCH_TAKES_ARG): Likewise.
24180 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
24181 * config/t-freebsd: Moved from config/i386/ so it can used for all
24184 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
24186 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
24188 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
24190 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
24191 * configure: Rebuilt.
24193 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
24195 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
24196 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
24197 * rs6000/rs6000.c (rs6000_file_start): Use putc.
24198 (rs6000_output_load_toc_table): Same.
24199 (output_prolog, output_mi_thunk): Same.
24200 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
24201 (ASM_GLOBALIZE_LABEL): Use putc.
24203 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
24205 * alpha.md (reload_*_help): New patterns and splitters.
24206 (reload_*): Use them.
24207 (mov[qh]i): Likewise.
24209 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
24211 * cccp.c (handle_directive): Handle backslash-newlines in quoted
24214 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
24216 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
24218 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
24220 * flow.c (mark_regs_live_at_end, insn_dead_p,
24221 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
24222 and HARD_FRAME_POINTER_REGNUM special treatment if reload
24223 hasn't run or the frame pointer is needed.
24224 * haifa-sched.c (attach_deaths): Likewise.
24225 * sched.c (attach_deaths): Likewise.
24227 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
24229 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
24230 calculate_can_reach_end returns nonzero.
24232 * configure.in (native gas tests): Search for an assembler in the
24233 same manner that the installed compiler will.
24234 * configure: Rebuilt.
24235 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
24237 * alias.c (find_base_term): Improve handling of addresses
24238 constructed from binary operations.
24240 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
24242 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
24244 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
24246 * function.h (cleanup_label, frame_offset): Declare.
24247 (tail_recursion_label, tail_recursion_reentry): Likewise.
24248 (arg_pointer_save_area, rtl_expr_chain): Likewise.
24249 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
24250 (tail_recursion_label, tail_recursion_reentry): Likewise.
24251 (arg_pointer_save_area, rtl_expr_chain): Likewise.
24253 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
24255 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
24257 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
24258 (MAX_OFILE_ALIGNMENT): Define.
24260 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
24262 * fixincl.c: Replace local include scheme with #includes of
24263 gansidecl.h and system.h.
24264 * procopen.c: Likewise.
24265 * server.c: Likewise.
24267 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
24269 * i386/t-dgux (EXTRA_PARTS): Add crti.o
24270 (crti.o): Add build rule and dependencies.
24271 * fixinc/fixinc.dgux: Use modified _int_varargs.h
24273 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24275 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
24276 (LIB_LINUX_SPEC): Likewise.
24277 (LIB_LINUX_SPEC): Add support for -pthread
24278 (CPP_OS_LINUX_SPEC): Likewise.
24279 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
24282 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
24284 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
24286 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
24287 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
24288 for IEEE math and CC_FCOMI.
24289 (put_jump_code): No IEEE if CC_FCOMI is set.
24291 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24293 * fold-const.c (fold_truthop): Make the field reference unsigned
24294 when converting a single bit compare.
24296 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24298 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
24300 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
24302 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
24303 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
24306 * reload.c (push_reload): Do not call remove_address_replacements
24307 when presented with identical optional reloads.
24309 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
24311 * alpha.h (MASK_FIX, TARGET_FIX): New.
24312 (MASK_*): Reorganize constants.
24313 (CPP_AM_FIX_SPEC): New.
24314 (TARGET_SWITCHES): Add FIX.
24315 (EXTRA_SPECS): Likewise.
24316 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
24317 (SECONDARY_MEMORY_NEEDED): Likewise.
24318 (REGISTER_MOVE_COST): Likewise.
24319 * alpha.c (override_options): Add FIX support. Always use
24320 ALPHA_TP_PROG for ev6.
24321 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
24322 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
24323 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
24325 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
24327 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
24328 something is a candidate for optimize_bit_field_compare.
24330 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
24332 * gcc.texi (Passes): Document branch-shortening.
24333 * invoke.texi (Debugging Options): Document the fact that `-dp'
24334 outputs length information for instructions.
24336 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
24338 * flow.c: Revert previous delta.
24340 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
24342 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
24343 FRAME_POINTER_REGNUM.
24344 (mark_set_1): Ditto.
24345 (mark_used_regs): Ditto.
24347 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
24349 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
24350 (GOT_PCREL): New macro. Define to 1 if not already defined.
24351 * arm/elf.h (GOT_PCREL): Define to 0.
24352 * arm.c (arm_finalize_pic): Take into account the setting of
24355 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
24357 * output.h (STRIP_NAME_ENCODING): Provide default definition.
24358 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
24360 * flow.c (mark_set_1): Do not record BLKmode stores as dead
24361 store elimination candidates.
24363 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
24365 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
24368 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
24370 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
24371 Add use of x-aix41-gld.
24373 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
24375 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
24376 (ASM_OUTPUT_DESTRUCTOR): Define.
24378 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
24380 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
24381 last CODE_LABEL in a loop if we have previously passed a jump
24382 to the top of the loop.
24384 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
24386 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
24387 applying Philip's patch.
24389 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
24391 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
24394 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
24396 * loop.c (strength_reduce): Grow reg_single_usage as needed.
24398 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
24400 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
24401 Also remove a useless comment.
24403 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24405 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
24407 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
24409 * collect2.c (main): Only generate import or export file and add
24410 to link arguments if non-empty. Use xmalloc not alloca.
24411 (write_{export,import}_file): Delete.
24412 (write_aix_file): New function.
24413 (locatelib): Use xmalloc not malloc.
24414 (GCC_OK_SYMBOL): Do not check type if aix64.
24416 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
24418 Based on patch by Scott Bambrough and Pat Beirne:
24419 * config/arm/arm.c (making_const_table): New variable.
24420 * config/arm/arm.h (making_const_table): Declare.
24421 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
24423 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
24424 Keep track of when we are building the constant table.
24426 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
24428 * config/arm/arm.c (arm_override_options): Fix erroneous warning
24431 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
24433 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
24436 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
24438 * tm.texi (FUNCTION_ARG): Correct description of a stack element
24441 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
24443 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
24445 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24447 * rs6000.c (output_mi_thunk): Enable full support again.
24449 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24451 * sh.h (BRANCH_COST): Define.
24453 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
24455 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
24457 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
24459 * function.c (assign_stack_local): Align stack slot propertly.
24460 (assign_outer_stack_local): Likewise.
24462 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
24464 * expr.h (lang_expand_constant): Declare.
24465 * toplev.c (lang_expand_constant): Define it.
24466 * varasm.c (output_constant): Use it.
24468 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24470 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
24471 Change function definitions to K&R style.
24473 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24475 * fixinc/fixincl.c: We must not ignore SIGCLD now.
24477 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
24479 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
24480 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
24481 (several places): omit static initialization
24482 (process): use single fd, since only the read fd is used
24483 * fixinc/gnu-regex.c: define 'const' away, if not supported
24484 * fixinc/procopen.c(several places): omit static initialization
24485 * fixinc/server.c: define 'volitile' away, if not supported
24487 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24489 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
24490 asm_fprintf and %L to generate the label name.
24491 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
24492 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
24494 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
24496 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
24497 insn for a conditional jump can not be found.
24499 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
24501 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
24502 on variables in specific sections other than .sbss and .sdata.
24504 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
24506 * stmt.c (expand_return): Call start_cleanup_deferral and
24507 end_cleanup_deferral around conditional code.
24509 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24511 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
24512 filename lists. Utilizes new "krstr" AutoGen function.
24513 * fixinc/fixincl.x: Rebuilt.
24515 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
24517 * i386.c (output_float_compare): Avoid GNU-C extensions.
24519 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
24521 * version.c: Bump to distinguish mainline tree from the
24524 See ChangeLog.1 for earlier changes.