1 2000-04-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
4 const section to output a CONSTRUCTOR based on the same conditions
7 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
9 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
10 * pa/pa-protos.h (output_call): Add additional argument indicating
11 if the call is a sibling/tail call.
12 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
13 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
14 (function_arg, function_arg_partial_nregs): Likewise
15 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
16 (emit_move_sequence): Zero extend certain constants as needed
18 (compute_zdepdi_operands, output_64bit_and): New functions.
19 (output_64bit_ior, function_arg): Likewise.
20 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
21 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
22 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
23 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
24 (output_bvb): Likewise.
25 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
26 (output_call): New argument 'sibcall'. Generate sibcall sequences
28 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
29 (ouput_arg_descriptor): Do not emit argument descriptors for
31 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
33 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
34 (FUNCTION_OK_FOR_SIBALL): Define.
35 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
36 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
37 (CPP_SPEC): Use new spec infrastructure.
38 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
39 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
40 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
41 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
42 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
43 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
44 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
45 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
46 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
47 (FUNCTION_ARG); Call out to C code.
48 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
49 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
50 (MIN_UNITS_PER_WORD): Likewise.
51 * pa/pa.md (cmpdi): New expander.
52 (scc patterns, movstrsi): Not available for TARGET_64BIT.
53 (64bit conditional arithmetic): New patterns.
54 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
55 (movsicc): Not available if modes on all the operands to not match.
56 (movdicc): New expander and associated patterns.
57 (64bit branches): New patterns.
58 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
59 (pre_ldd, post_std): New patterns.
60 (64bit addil, load low part): New patterns.
61 (special movsf constant): Not available for TARGET_64BIT.
62 (movsf, movdf expanders): Force constants into memory.
63 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
64 (64bit movdf/movdi patterns): New patterns.
65 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
67 (extendqidi2, extendhidi2, extendsidi2): Similarly.
68 (adddi3 expander): Allow "arith_operand" for second input.
69 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
70 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
71 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
72 (muldi3): New expander for TARGET_64BIT.
73 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
75 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
76 patterns for TARGET_64BIT.
77 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
78 patterns for TARGET_64BIT.
79 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
80 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
81 (sibcall_epilogue): New expander.
82 (casesi): Tweak for TARGET_64BIT.
83 (call expanders): Set & use the outgoing argument pointer. Use the
84 64bit call patterns as needed. Add additional arg to output_call.
85 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
86 (sibcall, sibcall_internal_symref): New expanders.
87 (sibcall_value, sibcall_value_internal_symref
88 (interspace_jump): Turn into an expander + matching patterns.
89 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
90 * pa/pa64-regs.h: Eliminate trigraph sequences.
91 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
93 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
95 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
96 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
97 cpp_token with cpp_ttype everywhere.
98 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
99 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
100 CPP_BUF_COL. Line and column numbers are unsigned int, not
102 * cpplex.c (cpp_buf_line_and_col): Delete.
103 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
104 'long lineno' to 'unsigned int lineno'.
105 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
107 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
109 * extend.texi: ISO C99 is not a draft anymore.
110 * invoke.texi: ISO C++ is not a draft anymore.
111 * cpp.texi: __cplusplus is required by the ISO standard.
113 * extend.texi (-fthis-is-variable): Undocument.
114 * flags.h (warn_template_debugging): Remove declaration.
115 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
116 -Wenum-clash, -Wtemplate-debugging): Undocument.
118 2000-04-10 Nick Clifton <nickc@cygnus.com>
120 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
122 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
124 (ARM_SIGN_EXTEND): Use HOST_UINT.
125 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
126 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
127 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
128 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
130 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
131 (arm_gen_constant): Use HOST_UINT.
132 (arm_canonicalize_constant): Use HOST_UINT.
133 (arm_reload_in_hi): Use HOST_UINT.
134 (arm_reload_out_hi): Use HOST_UINT.
135 (output_multi_immediate): Use HOST_UINT.
136 (int_log2): Use HOST_UINT.
137 (arm_poke_function_name): Use HOST_UINT.
138 (arm_output_epilogue): Use arm_volatile_func().
139 (output_thumb_prologue): Use arm_strip_name_encoding().
141 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
143 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
144 of sequence point problems.
146 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
148 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
150 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
152 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
154 * sbitmap.h: Whitespace changes and use upper-case macro args.
155 (struct simple_bitmap_def): All sizes now unsigned.
156 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
157 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
158 (sbitmap_vector_alloc): Parms and local vars now unsigned.
159 (sbitmap_zero): Cast bzero arg to PTR.
160 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
161 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
162 loop to make structure clearer.
163 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
164 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
165 (sbitmap_a_and_b_or_c): Likewise.
166 (sbitmap_intersection_of_succs): Minor cleanups.
167 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
168 (sbitmap_union_of_preds): Likewise.
169 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
170 (debug_sbitmap): New function.
172 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
173 * c-typeck.c (convert_for_assignment): Likewise.
175 * expmed.c (init_expmed): Don't free objects we make.
176 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
178 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
179 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
181 * gcse.c (expr_hash_table_size): Now unsigned.
182 (compute_ae_gen): Local variable `i' now unsigned.
183 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
184 (compute_transout, hoist_code): Likewise.
185 (compute_local_properties): Likewise, also hash_table_size.
186 (alloc_expr_hash_table): N_INSNS now unsigned.
187 (delete_null_pointer_checks): Mark arg F as unused.
189 * regrename.c: Minor cleanups, including chang some variables
192 2000-04-10 Neil Booth <NeilB@earthling.net>
194 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
196 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
198 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
200 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
201 __classof__, and __headof__ from the list of gnu keywords.
202 (-ansi): Remove -foperator-names from list of implied options.
203 Do not call it ANSI C++.
204 (-foperator-names): Document as -fno-operator-names.
206 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
208 * cpphash.c (timestamp): Delete.
209 (del_HASHNODE): If type is T_MCONST, free value.cpval.
210 (special_symbol): Remove unnecessary braces. Remove
211 T_VERSION. Treat T_STDC like T_CONST unless
212 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
213 when one is encountered, then convert them into T_MCONST
215 * cppinit.c (builtin_array): version_string is T_MCONST.
216 __STDC__ has a "1" in its cpval. Don't have a terminator
217 entry. Clean up which entries are dumped.
218 (initialize_builtins): Only __STDC__ gets the special
219 -traditional treatment. Count the length of builtin_array.
220 Render version_string here.
221 * cpphash.h: Remove T_VERSION. Add T_MCONST.
222 * cpplib.h (struct cpp_reader): Remove timebuf.
224 2000-04-09 Richard Henderson <rth@cygnus.com>
226 * genrecog.c (pred): Update comparison_operator for the unordered
229 * config/i386/i386.c (no_comparison_operator): Disallow unordered
231 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
232 (uno_comparison_operator): New.
233 (put_condition_code): Handle UNORDERED/ORDERED.
234 (unsigned_comparison): Likewise.
235 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
236 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
237 (ix86_expand_fp_compare): Use them. Take scratch as argument,
238 update all callers. Handle all 8 unordered operators.
239 (ix86_expand_setcc): Lose the unordered argument, update all callers.
240 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
241 * config/i386/i386.h (PREDICATE_CODES): Update.
242 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
243 (ix86_expand_branch, ix86_expand_setcc): Update.
244 * config/i386/i386.md (sunordered, sordered): New.
245 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
246 (bunordered, bordered): New.
247 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
248 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
249 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
251 2000-04-09 Philip Blundell <philb@gnu.org>
253 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
255 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
257 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
258 fix_truncxfhi2): New patterns.
259 * i386.c (output_fix_trunc): Handle converting to HImode.
261 2000-04-08 Alex Samuel <samuel@codesourcery.com>
263 * ssa.c (convert_to_ssa): Eliminate dead code when calling
265 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
266 (for_each_successor_phi): Change parameter to basic_block.
267 (coalesce_regs_in_successor_phi_nodes): Likewise.
268 (coalesce_regs_in_copies): Likewise.
269 (compute_coalesced_reg_partition): Use basic_block instead of index.
270 * rtl.h (convert_to_ssa): Delete.
271 (convert_from_ssa): Likewise.
272 (successor_phi_fn): Likewise.
273 (for_each_successor_phi): Likewise.
274 (in_ssa_form): Likewise.
275 * basic-block.h (convert_to_ssa): Moved from rtl.h.
276 (convert_from_ssa): Likewise.
277 (successor_phi_fn): Likewise.
278 (in_ssa_form): Likewise.
279 (for_each_successor_phi): Likewise. Change parameter to basic_block.
280 * flow.c (calculate_global_regs_live): Pass a basic_block to
281 for_each_successor_phi.
283 2000-04-08 Richard Henderson <rth@cygnus.com>
285 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
286 was modified in the current insn.
288 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
290 * arm/thumb.md: Delete.
291 * arm/thumb-protos.h: Delete.
293 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
295 Merge changes from merged-arm-thumb-backend-branch onto trunk.
297 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
299 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
302 * arm.md (nop): Use the standard RTL expression. Don't code as a
304 (*arm_nop, *thumb_nop): Delete.
306 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
307 constants. Use casts instead.
308 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
309 output_multi_immediate, arm_poke_function_name): Likewise.
310 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
311 MASK_RETURN_ADDDR): Likewise.
313 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
315 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
318 * arm.md (eh_epilogue): New function.
319 * arm.h (struct machine_function): Move to here ...
320 * arm.c: ... from here.
321 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
322 (thumb_exit): Extra parameter eh_ofs. All callers changed.
323 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
325 2000-03-30 Nick Clifton <nickc@cygnus.com>
327 * config/arm/semi.h (ASM_SPEC): Restore definition.
328 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
330 * config/arm/elf.h (ASM_SPEC): Restore definition.
331 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
333 * config/arm/arm.h (ASM_SPEC): Remove definition.
334 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
336 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
338 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
340 2000-03-24 Nick Clifton <nickc@cygnus.com>
342 Various formating tidyups, elimination of compile time
343 warnings and synchronisation with internal sources:
345 * config/arm/arm-protos.h (assemble_align): Add prototype.
346 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
347 (gen_comapre_reg): Rename to arm_gen_compare_reg.
348 (arm_return_addr_rtx): Rename to arm_return_addr.
350 * config/arm/arm.c: Include except.h.
351 Define shorter typenames for strict minipool_node and struct
353 (arm_return_in_memory): For WinCE return all structures <= 32 bits
355 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
356 (gen_comapre_reg): Rename to arm_gen_compare_reg.
358 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
360 (ASM_SPEC): Define if not already defined.
361 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
363 * config/arm/arm.md: Rename references to gen_rotated_half_load to
364 arm_gen_rotated_half_load, and references to gen_comapre_reg to
366 (indirect_jump): Only accept register operands.
367 (load_indirect_jump): Keep this pattern since combine can generate
370 * config/arm/coff.h: Include aout.h.
371 (MULTILIB_DEFAULTS): Only define if not already defined.
373 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
374 into arm.h (so that COFF ports can support thumb based aliases).
375 (ASM_SPEC): Move definition into arm.h
377 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
379 (ASM_SPEC): Move definition to arm.h
381 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
383 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
384 for entries in the .bss section
386 2000-03-23 Nick Clifton <nickc@cygnus.com>
388 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
389 to thumb_far_jump_used_p.
391 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
392 single integer parameter.
394 * config/arm/arm.c (struct machine_function): Add two new
395 fields, 'far_jump_used' and 'arg_pointer_live'.
396 (thumb_far_jump_used_p): Once the decision has been made that
397 far jumps might be used, always return true.
398 If being called from the initial elimination offset macro then
399 do not bother to perform the test if the arg pointer is not
401 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
402 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
404 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
406 * arm.c (output_return_instruction): Handle more cases where we can
407 return from a function with an ldr instruction.
408 (arm_output_epilogue): Likewise.
410 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
411 if we need to push a large stack frame and there are no callee-saved
414 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
415 in ARM code if the frame pointer has been eliminated.
417 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
418 unspec_volatile arguments to avoid duplicates.
419 (consttable_1, consttable_2): Fixes for big-endian mode.
421 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
424 Re-write constant pool code.
425 * arm.c (minipool_node, minipool_fix): New types.
426 (minifix): Delete type.
427 (arm_add_minipool_constant): Delete.
428 (arm_compute_minipool_offsets, arm_find_barrier,
429 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
430 (get_jump_table_size): Now returns HOST_WIDE_INT.
431 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
433 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
434 (assign_minipool_offsets, arm_print_value): Likewise.
435 (dump_minipool): Rewrite.
436 (arm_barrier_cost): New function.
437 (create_fix_barrier): New function.
438 (push_minipool_barrier): New function.
439 (push_minipool_fix): Record additional information about the fixup
441 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
442 check the mode of what needs fixing.
443 (arm_reorg): Rewrite.
445 2000-03-08 Nick Clifton <nickc@cygnus.com>
447 * config/arm/arm.md (indirect_jump): Force constant addresses into
450 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
452 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
454 2000-02-24 Nick Clifton <nickc@cygnus.com>
456 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
457 adjust is word aligned.
458 (thumb_expand_epilogue): Make sure that stack adjust is word
461 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
463 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
465 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
466 pointer relative addresses.
468 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
470 * arm.c (find_barrier): Find the last barrier within the allowed
473 2000-02-09 Nick Clifton <nickc@cygnus.com>
475 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
477 2000-02-09 Nick Clifton <nickc@cygnus.com>
479 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
480 ARM_FUNCTION_PROFILER.
482 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
483 ARM_FUNCTION_PROFILER.
485 * config/arm/linux-oldld.h: Imported from mainline sources.
487 2000-02-07 Nick Clifton <nickc@cygnus.com>
489 * config/arm/lib1funcs.asm: Merge in thumb functions from
492 * config/arm/lib1thumb.asm: Delete.
494 2000-02-04 Nick Clifton <nickc@cygnus.com>
496 * config/arm/arm.c: Sychronised with current Red hat local
498 * config/arm/arm.h: Ditto.
499 * config/arm/arm-protos.h: Ditto.
501 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
503 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
505 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
508 2000-02-02 Nick Clifton <nickc@cygnus.com>
510 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
512 * config/arm/arm.md (epilogue): Fix rtl checking abort because
513 (return) was emited using an emit_insn() call.
515 2000-01-31 Nick Clifton <nickc@cygnus.com>
517 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
519 (thumb_exit): Move frame pointer back into hard frame pointer
520 register if backtracing is being used.
522 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
524 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
527 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
529 * config/arm/arm.md (neg_pool_offset): Provide default for new
531 (arm_movsi_insn): Add neg_pool_offset attribute.
532 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
533 rtx for the insn that starts the scan and an unsigned long for its
534 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
535 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
536 instructions in *PINSERTED.
537 (struct minipool_fixup): Add MIN_ADDRESS elt.
538 (sort_fixups): Compute it.
539 (arm_reorg): Changes to support inserting pools before the insn to be
542 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
544 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
545 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
546 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
548 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
550 * config/arm/semi.h (TARGET_VERSION): Do not define if already
552 (TARGET_DEFAULT): Do not define if already defined.
554 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
556 * config/arm/arm.md (anddi3): Allow disjoint source operands.
557 (iordi3): Allow disjoint source operands.
558 (xordi3): Allow disjoint source operands.
559 (negdi2): Permit construction for ARM and Thumb.
560 (arm_negdi2): Renamed version of old negdi2 pattern.
561 (thumb_negdi2): New pattern: Only permit non-overlapping
562 source and destination.
564 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
566 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
567 scratch low register so that it will not be deleted.
569 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
571 * config/arm/pe.h (ARM_PE): Define.
573 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
574 interfacearm attribute if this is a PE toolchain.
575 (output_return_instruction): Do not emit anything if the function
576 has the naked attribute set.
577 (is_called_in_ARM_mode): If the function has the interfacearm
578 attribute then return true.
579 (thumb_expand_prologue): Do not generate a prologue for naked
581 (thumb_expand_epilogue): Do not generate an epilogie for a naked
583 (output_thumb_prologue): Do not bother if the function is naked.
584 Strip PE encoding from function name before emitting.
586 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
588 * arm.md (pic_load_addr): Fix constraints.
590 * arm.md (casesi_insn): Fix mis-applied patch.
592 * arm.md ("core" function unit): Add rules for single- and
594 (All TARGET_THUMB patterns): Add "type" attribute information
596 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
597 the following insn is a CALL.
599 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
601 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
602 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
603 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
605 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
607 * config/arm/linux-gas.h: oops - this file was missed out when the
608 branch was created...
610 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
612 * thumb.c: Deleted. Move contents to ...
614 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
616 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
619 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
620 declare a prototype for asm_output_align();
622 * arm.c (thumb_condition_code): Delete.
623 (arm_print_operand): Always use arm_condition_code array.
625 * arm.c (thumb_return_addr_rtx): Delete.
626 (arm_save_machine_status, arm_restore_machine_status): Delete.
627 (arm_init_machine_status, arm_mark_machine_status): New functions.
628 (arm_init_expanders): Update accordingly.
629 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
630 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
631 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
633 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
635 * configure.in : Fix arm-*-aout target to use new t-arm-aout
637 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
640 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
642 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
643 stack backtrace structure.
645 * config/arm/arm-protos.h: Add prototypes for functions defined in
648 * config/arm/arm.c (arm_override_options): Fix selection of
649 attributes of default processor.
651 * config/arm/coff.h: Delete needless #include.
653 * config/arm/pe.c: Delete unused code.
655 * config/arm/pe.h (CPP_DEFINES): Delete
656 (SUBTARGET_CPP_SPEC): Define.
657 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
659 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
661 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
663 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
665 (CAN_DEBUG_WITHOUT_FP): Define.
666 (FIXED_REGISTERS): Make r11 call-saved.
667 (CALL_USED_REGISTERS): Likewise.
668 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
669 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
670 frame-pointer is required.
671 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
672 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
673 if the target normally needs a stack frame in non-leaf functions.
674 (use_return_insn): Correct logic for determining when a return
675 instruction can be used.
676 (output_return_instruction): Handle the frame-pointer register as
677 a normal register when not TARGET_APCS_FRAME.
678 (arm_output_prologue): Likewise.
679 (arm_output_epilogue): Likewise.
680 (output_func_epilogue): Likewise.
681 (arm_expand_prologue): Likewise.
682 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
684 * arm.c (use_return_insn): No need to check floating point regs if
686 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
687 the code of value stored in the minipool array.
688 (arm_add_minipool_constant): Likewise.
690 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
692 * basic-block.h (conflict_graph_enum_fn): K&R fix.
694 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
696 * tree.c (tree_expr_nonnegative_p): New function.
698 * tree.h (tree_expr_nonnegative_p): Declare.
700 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
701 elide some sign_compare warnings.
702 (build_conditional_expr): Likewise.
704 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
706 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
708 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
709 * i386.c (print_operand): Use the proper suffix for a 387 HImode
710 operand. Abort if a 387 operand has an unsupported size.
712 2000-04-08 Neil Booth <NeilB@earthling.net>
714 * cppexp.c (parse_charconst): Null does not end character
716 * cppinit.c (ISTABLE): Null character handled as whitespace.
717 * cpplex.c (null_warning): new function.
718 (skip_string): Emit warning if nulls encountered.
719 (_cpp_skip_hspace): Emit warning if nulls encountered.
720 (_cpp_lex_token): Emit warning if nulls encountered. Drop
724 2000-04-07 Richard Henderson <rth@cygnus.com>
726 * flow.c (loop_depth): Remove.
727 (reg_next_use, cc0_live, mem_set_list): Replace with ...
728 (struct propagate_block_info): New.
729 (life_analysis): Don't allocate reg_next_use.
730 (propagate_block_delete_insn): Break out of propagate_block.
731 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
732 (propagate_block_delete_libcall): Likewise.
733 (propagate_block): Create a propagate_block_info struct to pass
734 to subroutines. Allocate one not two temporary regsets. Don't
735 clobber memory for const calls. Look for clobbers in
736 CALL_INSN_FUNCTION_USAGE.
737 (mark_set_regs): Recognize COND_EXEC.
738 (mark_set_reg): Break out of mark_set_1.
739 (mark_used_reg): Break out of mark_used_regs.
740 (mark_used_regs): Recognize COND_EXEC.
741 (insn_dead_p): Use propagate_block_info struct.
742 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
743 (find_auto_inc, try_pre_increment_1): Likewise.
744 (print_rtl_with_bb): Dump regs live at end too.
745 (count_reg_sets_1): Pass in loop_depth.
746 (count_reg_sets, count_reg_references): Likewise.
747 (recompute_reg_usage): Provide it.
749 2000-04-07 Richard Henderson <rth@cygnus.com>
751 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
754 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
756 * cpplib.c (do_elif): Skip the rest of the line if we're
757 not going to bother evaluating it.
758 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
759 to avoid pointless calls to the lexer.
761 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
763 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
765 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
767 * calls.c (expand_call): emit_queue if we're trying a sibcall.
769 2000-04-07 Jakub Jelinek <jakub@redhat.com>
771 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
773 2000-04-06 Geoff Keating <geoffk@cygnus.com>
775 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
776 crtend so they can be multilibbed.
777 (STAGESTUFF): Remove s-crt and s-crtS.
779 2000-04-07 Richard Henderson <rth@cygnus.com>
781 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
782 if we discover we need a pseudo and no_new_pseudos is true.
783 * config/alpha/alpha.md (ne:DI insn): New.
784 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
786 2000-04-07 Richard Henderson <rth@cygnus.com>
788 * rtl.def (COND_EXEC): New.
789 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
790 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
792 * genconfig.c (have_cond_arith_flag): Remove.
793 (have_cond_exec_flag): New.
794 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
795 (main): Print HAVE_conditional_execution.
797 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
798 (sched_analyze_insn, print_pattern): Likewise.
799 * reload.c (find_equiv_reg): Likewise.
800 * rtlanal.c (reg_referenced_p): Likewise.
801 (note_stores, dead_or_set_regno_p): Likewise.
802 (reg_overlap_mentioned_p): Rewrite to use a switch.
804 * ggc.h (struct rtx_def): Forward declare.
806 * print-rtl.c (debug_rtx_range): New.
807 * rtl.h (debug_rtx_range): Declare.
809 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
811 * gcse.c (gcse_main): Don't rebuild the CFG here.
812 (delete_null_pointer_checks): Likewise.
813 * ssa.c (convert_to_ssa): Likewise.
814 * toplev.c (rest_of_compilation): Do it here instead. Combine
815 sequential calls to TIMEVAR. Consistently use `insns' instead of
816 `get_insns()'. Always split insns after reload when optimizing.
818 * basic-block.h (merge_blocks_nomove): Declare.
819 (tidy_fallthru_edge): Declare.
820 * flow.c (merge_blocks_nomove): Document as merging into previous
821 blocks. Remove cruft from between blocks; remove all edges out of A.
822 (tidy_fallthru_edge): Export.
824 2000-04-06 Alex Samuel <samuel@codesourcery.com>
826 * ssa.c (compute_conservative_reg_partition): Declare with
828 * toplev.c (clean_dump_file): Remove previously-deleted function
829 inadvertantly merged back in.
830 * conflict.c (conflict_graph_add): Use a single call to
831 htab_find_slot to look up and insert.
833 2000-04-06 Richard Henderson <rth@cygnus.com>
835 * genrecog.c (*): Rename _last_insn to last_insn.
836 (make_insn_sequence): Set the position of the peephole2 C test
837 to be at the last insn.
839 2000-04-06 Richard Henderson <rth@cygnus.com>
841 * flow.c (compute_flow_dominators): Free worklist.
843 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
845 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
847 2000-04-06 Alex Samuel <samuel@codesourcery.com>
849 * rtl.h (INSN_P): New macro.
850 (successor_phi_fn): New typedef.
851 (for_each_successor_phi): New prototype.
852 (in_ssa_form): New variable.
853 (PHI_NODE_P): Likewise.
854 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
855 phi nodes in successors.
856 (mark_used_regs): Add PHI case.
857 (set_phi_alternative_reg): New function.
858 (life_analysis): Assert that dead code elimination is not selected
860 * toplev.c (to_ssa_time): New variable.
861 (from_ssa_time): Likewise.
862 (compile_file): Zero to_ssa_time and from_ssa_time.
863 Print time to convert to and from SSA.
864 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
865 (print_time): Compute percent fraction as integer.
866 * ssa.c (PHI_NODE_P): Moved to rtl.h.
867 (convert_to_ssa): Check if we're already in SSA.
868 Don't eliminate dead code in life_analysis.
869 Rerun flow and life analysis at bottom.
870 (eliminate_phi): Use canonical regnos when adding nodes.
871 (mark_reg_in_phi): New function.
872 (mark_phi_and_copy_regs): Likewise.
873 (convert_from_ssa): Rerun life analysis at top.
874 Use coalesced partition.
875 Check for removing a phi node at the end of the block.
876 (compute_coalesced_reg_partition): New function.
877 (coalesce_regs_in_copies): Likewise.
878 (coalesce_reg_in_phi): Likewise.
879 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
880 (for_each_successor_phi): Likewise.
881 (rename_context): New struct.
882 (rename_block): Use a rename_context with rename_insn_1. When
883 renaming sets of a subreg, emit a copy of the entire reg first.
884 (rename_insn_1): Treat data as a rename_context *. Save current
886 (rename_set_data): Add field set_insn.
887 * Makefile.in (HASHTAB_H): Move up in file.
888 (OBSTACK_H): New macro.
889 (collect2.o): Use OBSTACK_H in dependencies.
890 (sdbout.o): Likewise.
891 (emit-rtl.o): Likewise.
892 (simplify-rtx.o): Likewise.
893 (fix-header.o): Likewise.
894 (OBJS): Add conflict.o.
895 (conflict.o): New rule.
896 * basic-block.h: Include partition.h.
897 (conflict_graph): New typedef.
898 (conflict_graph_enum_fn): Likewise.
899 (conflict_graph_new): New prototype.
900 (conflict_graph_delete): Likewise.
901 (conflict_graph_add): Likewise.
902 (conflict_graph_conflict_p): Likewise.
903 (conflict_graph_enum): Likewise.
904 (conflict_graph_merge_regs): Likewise.
905 (conflict_graph_print): Likewise.
906 (conflict_graph_compute): Likewise.
907 * conflict.c: New file.
909 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
911 * tlink.c (read_repo_files): Don't look for .rpo info for
914 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
916 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
918 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
920 * config/sh/lib1funcs.asm (___udivsi3_i4):
921 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
922 only depends on FMOVD_WORKS.
924 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
926 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
927 make double constant 8-byte aligned.
929 2000-04-06 Jakub Jelinek <jakub@redhat.com>
931 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
932 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
933 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
934 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
935 Accept storing GENERAL_REGS into offsetable memory.
936 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
937 building a TFmode constant other than 0.0L into GENERAL_REGS.
939 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
941 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
943 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
945 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
946 (macro_cleanup): No need to cast pbuf->macro.
947 (collect_expansion): Use _cpp_get_define_token. Goto done if
948 it returns VSPACE. Remove check for trailing space after
950 (_cpp_create_definition): Don't diddle flags here. Return
952 (unsafe_chars): Handle c1 being EOF.
953 (push_macro_expansion): Use unsafe_chars for both accidental-paste
954 checks. Don't push the buffer till after we're done with
956 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
957 (PEEKN, FORWARD, GETC, PEEKC): Use them.
958 (cpp_push_buffer): Don't set new->alimit. Set new->mark
960 (_cpp_parse_assertion): Don't NUL terminate.
961 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
962 hspace before calling _cpp_parse_assertion. Remove all sets
963 of only_seen_white. Treat '\f' as hspace. Don't do anything
964 special with '\n' here.
965 (maybe_macroexpand): Handle T_EMPTY hash entries without
966 pushing a buffer at all.
967 (cpp_get_token): Handle clearing only_seen_white here. Handle
968 incrementing the line number here. Clear
969 potential_control_macro as well as only_seen_white, if
971 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
972 (_cpp_get_define_token): New function, basically like
973 _cpp_get_directive_token was but doesn't eat horizontal space.
974 Don't do anything with only_seen_white here.
975 (_cpp_get_directive_token): Just call _cpp_get_define_token
976 repeatedly till it returns non-hspace.
978 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
979 (conditional_skip, skip_if_group): Return int.
980 (DIRECTIVE_TABLE): Change origin of all conditional directives
982 (TRAD_DIRECT_P): New macro.
983 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
984 an error for a bogus directive, unless -lang-asm. Use
985 TRAD_DIRECT_P. Loop calling handler functions till one returns
987 (get_macro_name): Don't diddle flags here.
988 (do_define): Diddle flags here. Use _cpp_get_directive_token.
989 Create T_EMPTY nodes for #define macro /* nothing */.
990 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
991 Use hp->name when calling pass_thru_directive.
992 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
993 Return the result of conditional_skip and/or skip_if_group.
994 Don't call _cpp_output_line_command.
995 (consider_directive_while_skipping): Use _cpp_get_directive_token.
996 Issue -Wtraditional warnings as appropriate. Don't complain
997 about unrecognized directives. If we are to stop skipping,
998 return the number of the directive that ended the skip.
999 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
1000 expansion and line commands while skipping. Return the result
1001 of consider_directive_while_skipping, if nonzero.
1002 (do_endif): Just set potential_control_macro here.
1003 (validate_else): Use _cpp_get_directive_token.
1004 (do_assert, do_unassert): Don't save pointers into the
1005 token_buffer across calls to the lexer. Use
1006 _cpp_get_directive_token.
1008 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
1009 pointer, not an offset. Replace 'data', which was a generic
1010 pointer, with 'macro', which points to a struct hashnode.
1011 (cpp_reader): Add 'potential_control_macro' pointer.
1012 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
1013 (CPP_BUF_GET, CPP_FORWARD): Delete.
1014 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
1015 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
1016 ACTIVE_MARK_P): Update.
1017 (_cpp_get_define_token): New internal function.
1018 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
1020 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
1022 * configure.in: And here.
1023 * configure: Regenerate.
1024 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
1025 --enable-libstdcxx-v3 is passed at configure time.
1026 * config.h.in: Regenerate.
1028 2000-04-05 Mark Mitchell <mark@codesourcery.com>
1030 * final.c (final): Use xcalloc to allocate line_note_exists.
1031 * function.c (free_after_compilation): Free the temp_slots.
1032 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
1033 (combine_temp_slot): Free temp_slots when they get combined.
1034 (purge_addressof): Fix typo in comment.
1035 * stmt.c (mark_goto_fixup): Mark the fixup itself.
1036 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
1038 * ggc.h: Include varray.h.
1039 (ggc_pending_trees): Declare.
1040 (ggc_mark_tree_children): Remove declaration.
1041 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
1042 * ggc-common.c (ggc_pending_trees): New variable.
1043 (ggc_mark_roots): Call ggc_mark_trees.
1044 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
1045 the ggc_pending_trees.
1046 * Makefile.in (GGC_H): New variable. Use it throughout in place
1049 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1051 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
1054 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1056 * sh.c (sh_insn_length_adjustment): New function.
1057 * sh-protos.h (sh_insn_length_adjustment): Declare.
1058 * sh.h (ADJUST_INSN_LENGTH): Use it.
1060 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
1062 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
1063 from the insn where REG_RETVAL is added.
1064 (emit_no_conflict_block): Ditto.
1066 * md.texi (Standard Names): Clarify when movX is needed.
1068 * combine.c (simplify_comparison) [MINUS]: Do not replace
1069 all (op (minus A B) 0) with (op A B).
1071 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
1072 J"orn Rennecke <amylaar@cygnus.co.uk>
1074 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
1075 (block_lump_real): Likewise.
1077 2000-04-05 Chris Demetriou <cgd@netbsd.org>
1079 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
1080 remaining non-zero debugging masks.
1082 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
1084 * basic-block.h (verify_flow_info): Declare.
1085 (flow_loop_outside_edge_p): Declare.
1086 * flow.c (verify_flow_info): Remove declaration.
1087 (clear_log_links, flow_loop_outside_edge_p): Likewise.
1089 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
1091 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
1094 2000-04-05 Jakub Jelinek <jakub@redhat.com>
1096 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
1097 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
1098 seqdi_zero_trunc+1): Allow splits only if registers are
1101 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
1103 * acconfig.h: Add HAVE_GAS_HIDDEN.
1104 * config.in: Regenerated.
1105 * configure.in: Add test for .hidden pseudo-op in gas.
1106 * configure: Regenerated.
1107 * crtstuff.c: Include auto-host.h.
1108 Emit additional .hidden pseudo-op for __dso_handle if the
1109 assembler knows about it.
1111 2000-04-04 Philippe De Muyter <phdm@macqel.be>
1113 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
1114 before freeing argnames.
1115 * cpplib.c (do_ifndef): Cast return value of xstrdup.
1117 2000-04-05 Michael Meissner <meissner@redhat.com>
1119 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
1120 Walton <jonboy@gordian.com> to make memory references with update
1121 work wtih -mregnames.
1123 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1125 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
1126 (regrename_optimize): Rename variables `def_uses' and
1127 `ext_basic_blocks' to avoid conflicts with similarly named
1128 typedefs in traditional C.
1130 * calls.c (initialize_argument_information): Fix typo in previous
1133 2000-04-04 Richard Henderson <rth@cygnus.com>
1135 * regrename.c (consider_available): Test fixed_regs not
1136 PIC_OFFSET_TABLE_REGNUM.
1138 2000-04-04 Geoff Keating <geoffk@cygnus.com>
1140 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
1142 (CRTSTUFF_T_CFLAGS_S): Delete definition.
1143 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
1144 (ENDFILE_LINUX_SPEC): Always use crtend.
1145 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
1146 (powerpc-*-linux-gnu): Likewise.
1147 * configure: Regenerate.
1149 * config/rs6000/eabi.h: Don't include sysv4.h.
1150 (MULTILIB_DEFAULTS): Don't define.
1151 * config/rs6000/eabiaix.h: Don't include eabi.h.
1152 * config/rs6000/eabile.h: Delete.
1153 * config/rs6000/eabilesim.h: Delete.
1154 * config/rs6000/eabisim.h: Don't include eabi.h.
1155 * config/rs6000/linux.h: Don't include sysv4.h.
1156 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
1157 (MULTILIB_DEFAULTS): Don't redefine.
1158 * config/rs6000/rtems.h: Don't include eabi.h.
1159 * config/rs6000/sol2.h: Don't include sysv4le.h.
1160 * config/rs6000/sysv4le.h: Don't include sysv4.h.
1161 * config/rs6000/t-ppc: Delete.
1162 * config/rs6000/t-ppcgas: Correct comment.
1163 * config/rs6000/t-ppcos: Correct comment. Don't build
1164 multilibs for -fPIC, rather use -fPIC -mstrict-align
1166 * config/rs6000/t-ppc: Delete.
1167 * config/rs6000/vxppc.h: Don't include sysv4.h.
1168 * config/rs6000/vxppcle.h: Delete.
1169 * configure.in: Use multiple header files for p2pc ELF targets
1170 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
1171 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
1172 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
1173 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
1174 always available for these platforms.
1176 2000-04-04 Richard Henderson <rth@cygnus.com>
1178 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
1180 2000-04-04 Stan Cox <scox@cygnus.com>
1182 * Makefile.in: Add rules for regrename.o
1183 * regrename.c: New file.
1184 * rtl.h (regrename_optimize): Add prototype.
1185 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
1186 (compile_file, decode_d_option): Add support for -frename-registers.
1187 (rest_of_compilation): Call regrename_optimize.
1188 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
1191 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1193 * Makefile (gccbug): New target.
1194 (doc): Depend on it.
1195 * gcc.texi (Bugs): Link subnodes.
1197 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
1198 Document severities, priorities, and classes in bug form.
1200 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
1202 * cpplex.c (trigraph_map, speccase): Combine into single
1204 (NORMAL, NONTRI): New macros.
1205 (_cpp_read_and_prescan): Change to use unified table. Use
1206 is_hspace to test for whitespace.
1208 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
1209 definition that doesn't provoke the "empty body in an
1210 if-statement" warning.
1212 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
1214 * builtins.c (expand_builtin_strlen): Force the source to
1215 be a memory address.
1217 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1219 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
1221 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1223 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
1224 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
1225 (ECF_IS_CONST): Rename to ECF_CONST.
1226 (special_function_p): Make static, change interface.
1227 (flags_from_decl_or_type, try_to_integrate): Break out from ...
1228 (expand_call) ... here; convert number of variables to flags.
1229 (emit_library_call_vlue_1): Likewise.
1230 (setjmp_call_p): New function.
1231 (initialize_argument_information): Accepts flags as argument;
1233 (precompute_arguments): Likewise.
1234 * tree.h (special_function_p): Remove.
1235 (setjmp_call_p): Add prototype.
1237 2000-04-04 Jakub Jelinek <jakub@redhat.com>
1239 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
1240 so that addresses are offsetable by up to 16 bytes.
1241 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
1242 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
1245 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
1246 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
1247 (movsf): Don't force any constant to memory if target is integer
1249 Move fp_zero_operand check below the const0_rtx check.
1250 (movtf): Likewise. Also allow fp_zero_operand for stores into
1252 (movdf): Likewise. Also allow fp_zero_operand for stores into
1253 memory and into integer hard registers.
1254 (clear_df, clear_dfp, movdf_const_intreg_sp32,
1255 movdf_const_intreg_sp64): Remove.
1256 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
1258 (movdf_no_e_insn_v9_sp32): New pattern.
1259 (movdf_insn_v9only): Remove.
1260 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
1261 (movdf_insn_sp64): Remove.
1262 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
1263 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
1264 (following splits): Rewrite conditions. Add two new splits
1265 for storing 0.0 into memory and registers.
1266 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
1267 (movtf_insn_sp32): Redo constraints and conditions.
1268 (movtf_insn_vis_sp32): New pattern.
1269 (movtf_no_e_insn_sp32): Redo constraints and conditions.
1270 (movtf_insn_hq_sp64): Likewise.
1271 (movtf_insn_hq_vis_sp64): New pattern.
1272 (movtf_insn_sp64): Redo constraints and conditions.
1273 (movtf_insn_vis_sp64): New pattern.
1274 (movtf_no_e_insn_sp64): Redo constraints and conditions.
1275 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
1277 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
1278 -mvis or -m64 to take down the number of various reload patterns.
1280 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
1282 * pa/pa-64.h: New file.
1283 * pa/pa64-regs.h: New file.
1284 * pa/pa64-start.h: New file.
1285 * pa/t-pa64: New file.
1286 * pa/xm-pa64hpux.h: New file.
1288 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1290 * sparc.c (output_restore_regs): Prototype.
1291 (sparc_emit_float_lib_cmp): Constification.
1293 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
1295 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
1298 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
1299 (get_value_hash, hash_rtx): Likewise.
1301 * ssa.c (compute_conservative_reg_partition): Prototype.
1303 * tree.c (mark_hash_entry): Prototype.
1305 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
1307 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
1308 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
1309 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
1311 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
1312 * objc/lang-specs.h: Likewise.
1314 2000-04-03 Neil Booth <NeilB@earthling.net>
1316 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
1317 and SYNTAX_ERROR2. Replace `' in messages with ''.
1318 (op_to_str): Make re-entrant.
1319 (_cpp_parse_expr): Implement new error macros. Use | rather
1320 than || to logically or 2 boolean integers. Simply expression
1321 checking we have a left operand iff needed.
1323 2000-04-03 Nick Clifton <nickc@cygnus.com>
1325 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
1327 2000-04-03 Philip Blundell <philb@gnu.org>
1329 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
1331 2000-04-03 Felix Lee <flee@cygnus.com>
1333 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
1334 (run_shell): Use it.
1336 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
1338 * Makefile.in (stmp-int-hdrs): Make include subdir here...
1339 (stmp-fixproto): ...rather than here.
1341 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
1343 * pa.c (print_operand): Compute 'base' only inside the code paths
1346 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
1348 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
1351 2000-04-03 Philipp Thomas <pthomas@suse.de>
1353 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
1355 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
1357 * Makefile.in (alias.o): Depend on $(TREE_H).
1359 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
1361 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
1363 * cpplib.c (_cpp_handle_directive): Improve warnings for
1364 traditional C and indented directives.
1366 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
1367 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
1368 fixinc/inclhack.def: Indent the # of #include_next one space.
1369 * cp/rtti.c: Un-indent #if and #endif.
1371 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
1372 syntax error, but an error has already been printed.
1373 * cpplex.c (_cpp_parse_assertion): Give a more specific error
1374 message when called with nothing remaining on the line.
1375 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
1376 OTHER token, not an ASSERTION.
1377 * cpplib.c (do_assert): When we create a 'base' node, clear
1378 its aschain pointer.
1380 2000-04-02 Neil Booth <NeilB@earthling.net>
1382 * cppexp.c: New typedef op_t. struct operation and struct
1383 token updated to use it.
1384 (op_to_str): New function.
1385 (_cpp_parse_expr): Error messages modified to use op_to_str.
1387 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1389 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
1390 before checking MUST_PASS_IN_STACK.
1392 2000-04-02 Neil Booth <NeilB@earthling.net>
1394 * cppexp.c: New FINISHED dummy token. Combine operator initial
1395 flags and initial priority into a single constant. New
1396 EQUALITY macro. New operator flag SHORT_CIRCUIT.
1397 (_parse_cpp_expr): Implement new constants. Take left operand
1398 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
1399 parse indicated by reducing FINISHED token. Remove new lines
1400 from cpp_error messages.
1402 2000-04-01 Mark Mitchell <mark@codesourcery.com>
1404 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
1407 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
1409 * cpplib.c: Include symcat.h. Add 'origin' field to struct
1410 directive. Add origin values to DIRECTIVE_TABLE. Generate
1411 the strings and function names on the fly. Take the #sccs
1412 entry out of the table if SCCS_DIRECTIVE is not defined.
1413 (_cpp_handle_directive): Decide if the # was at the beginning
1414 of the line here. Issue -pedantic warnings for extended
1415 directives here. Warn about K+R directives with the #
1416 indented, and C89/extended directives with the # not indented,
1418 (do_import, do_include_next, do_warning, do_ident, do_sccs,
1419 do_assert, do_unassert): Don't issue pedantic warning here.
1421 * cpphash.h: Add CPP_WTRADITIONAL macro.
1422 * cpplib.h (struct cpp_options): Rename warn_stringify to
1423 warn_traditional; update comments.
1424 * cppinit.c (handle_option): Set warn_traditional not
1426 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
1427 CPP_WTRADITIONAL (pfile).
1428 * cpplex.c (_cpp_lex_token): Don't decide if directives should
1429 be ignored in -traditional mode here.
1431 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
1432 to initialize speccase[] and trigraph_map[]. Delete all
1433 references to pfile->input_speccase. Always treat '?' as a
1434 special character. Remove table-initialization code from
1435 _cpp_init_input_buffer.
1437 * cpplib.h (struct cpp_reader): Remove input_speccase field.
1438 * cppinit.c (cpp_cleanup): Don't free input_speccase.
1440 2000-04-01 Richard Henderson <rth@cygnus.com>
1442 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
1443 (mostlyclean): Likewise.
1445 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
1446 (struct dump_file_info, enum dump_file_index, dump_file): New.
1447 (open_dump_file): Take a dump_file_index not a suffix, and a decl
1448 not a string. Clean out file if we havn't yet done so. Do nothing
1449 if the dump isn't enabled.
1450 (close_dump_file): Do nothing if the dump isn't open. Dump
1451 graph data if requested.
1452 (dump_rtl, clean_dump_file): Remove.
1453 (compile_file): Don't clean the dump files. Only finalize .bp dump
1454 if flag_test_coverage or flag_branch_probabilities. Only finalize
1455 .combine dump if optimizing. Iterate over dump_file to finalize the
1457 (rest_of_compilation): Update for open_dump_file/close_dump_file.
1458 Convert all uses of dump_rtl.
1459 (decode_d_option): Iterate over dump_file to implement 'a' and to
1460 locate pass-specific dumps.
1462 2000-04-01 Neil Booth <NeilB@earthling.net>
1464 * cppexp.c: Redefine priority constants.
1465 (_cpp_parse_expr): Replace left and right priority scheme with
1466 single priority logic. Move LOGICAL to same place as COMPARE.
1467 Remove bogus check for multiple unary +/- operators.
1469 2000-04-01 Neil Booth <NeilB@earthling.net>
1471 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
1472 within the switch statement. Binary operations break out of
1473 the switch naturally. '(' tokens handled by forcing
1474 immediate shift. ')' handled by forcing immediate reduce to
1475 the previous '('. New error messages.
1477 2000-03-31 Geoff Keating <geoffk@cygnus.com>
1479 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
1480 part', it's already in use. Use %K instead. Add a return at the
1481 end of what is now %K.
1482 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
1484 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1486 * builtins.c (expand_builtin_apply): Pass proper parameters to
1487 allocate_dynamic_stack_space.
1488 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
1489 update stack_pointer_delta; do not update arg_size_so_far.
1490 (compute_argument_block_size): Use stack_delta instead of
1491 stack_pointer_pending and arg_size_so_far.
1492 (expand_call): Add sanity checking for stack_pointer_delta;
1493 save and restore stack_pointer_delta for SIB, use
1494 stack_pointer_delta for alignment; do not update arg_space_so_far.
1495 (emit_library_call_value): Use stack_pointer_delta for alignment.
1496 (store_one_arg): Do not update arg_space_so_far.
1497 * explow.c (adjust_stack, anti_adjust_stack): Update
1498 stack_pointer_delta.
1499 (allocate_dynamic_stack_space): Add sanity checking for
1500 stack_pointer_delta.
1501 * expr.c (init_expr, clear_pending_stack_adjust): Clear
1502 stack_pointer_delta.
1503 (emit_push_insn): Update stack_pointer_delta.
1504 * function.h (struct expr_status): Add x_stack_pointer_delta;
1505 remove x_arg_space_so_far.
1506 (arg_space_so_far): Remove.
1507 (stack_pointer_delta): New macro.
1509 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
1511 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
1512 Reorder struct cpp_options and struct cpp_reader for better
1513 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
1514 takes two args. Change all 'char' flags to 'unsigned char'.
1515 Move show_column flag into struct cpp_options. Don't
1516 prototype cpp_options_init.
1517 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
1518 cppinit.c, cpplex.c, cpplib.c:
1519 Replace CPP_OPTIONS (pfile)->whatever with
1520 CPP_OPTION (pfile, whatever), and likewise for
1521 opts = CPP_OPTIONS (pfile); ... opts->whatever;
1523 * cppinit.c (merge_include_chains): Take a cpp_reader *.
1524 Extract CPP_OPTION (pfile, pending) and work with that
1526 (cpp_options_init): Delete.
1527 (cpp_reader_init): Turn on on-by-default options here.
1528 Allocate the pending structure here.
1529 (cl_options, enum opt_code): Define these from the same table,
1530 kept in a large macro. Add -fshow-column and -fno-show-column
1533 * cpperror.c (v_message): If show_column is off, don't print
1536 * cppmain.c: Update for new interface.
1537 * fix-header.c: Likewise.
1539 2000-03-30 Geoff Keating <geoffk@cygnus.com>
1541 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
1543 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
1544 are passed to any invocation of AR_FOR_TARGET.
1545 (AR_CREATE_FOR_TARGET): New macro.
1546 (AR_EXTRACT_FOR_TARGET): New macro.
1547 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
1548 AR_EXTRACT_FOR_TARGET.
1549 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
1550 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
1551 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
1552 AR_EXTRACT_FOR_TARGET to sub-makes.
1554 2000-03-31 Neil Booth <NeilB@earthling.net>
1556 * cppexp.c: Delete SKIP_OPERAND. Correct priority
1558 (_cpp_parse_expr): Check for multiple unary +/- operators.
1559 Correct priorities of ':' and '?'. Treat ')' as having a
1560 value. Ensure conditional expression is not void.
1562 2000-03-31 Mark Mitchell <mark@codesourcery.com>
1564 * alias.c (canon_rtx): Make it global.
1565 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
1567 * cse.c (struct table_elt): Add canon_exp.
1569 (invalidate): Canonicalize expressions only once.
1570 * rtl.h (canon_rtx): Declare.
1572 2000-03-30 Mark Mitchell <mark@codesourcery.com>
1574 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
1575 * alias.c (reg_known_value): Add comments.
1576 (init_alias_analysis): Likewise.
1577 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
1579 (cse_basic_block): Fix typo in comment.
1580 * emit-rtl.c: Include hashtab.h.
1581 (const_int_htab): New variable.
1582 (const_int_htab_hash): New function.
1583 (const_int_htab_eq): Likewise.
1584 (rtx_htab_mark_1): Likewise.
1585 (rtx_htab_mark): Likewise.
1586 (gen_rtx_CONST_INT): Cache all CONST_INTs.
1587 (unshare_all_rtx): Fix formatting.
1588 (init_emit_once): Initialize const_int_htab.
1589 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
1591 * rtl.texi: Document the fact that all CONST_INTs with the same
1594 2000-03-30 Richard Henderson <rth@cygnus.com>
1596 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
1598 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
1600 * configure.in: Comment out --enable-c-cpplib stanza.
1601 * configure: Regenerate.
1603 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1605 * expr.c (store_constructor): Properly compute displacement and
1606 alignment when offset is variable.
1608 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
1609 cases of alignment in bytes.
1611 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
1613 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
1614 since it is used to generate c-parse.y.
1615 * objc-parse.c, objc-parse.y: Regenerated.
1617 * function.c (expand_function_end): Pass alignment argument to
1618 emit_block_move in bits, not bytes.
1620 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1622 * expr.c (move_by_pieces_ninsns): Fix one more missing align
1625 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
1627 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
1628 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
1629 * function.c (assign_parms): Likewise.
1630 * integrate.c (expand_inline_function): Likewise.
1631 * stmt.c (expand_decl): Likewise.
1632 (copy_rtx_and_substitute): Likewise.
1633 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
1634 (clear_by_pieces): Fix error in last change.
1635 * emit-rtl.c (init_emit): Set known registers alignment in bits.
1636 * function.h (regno_pointer_align): Now unsigned.
1637 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
1639 * config/i386/i386.c (aligned_operand): Likewise.
1640 * config/sparc/sparc.c (mem_min_alignment): Likewise.
1641 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
1642 (unaligned_memory_operand): Likewise.
1643 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
1644 Also make alignments and sizes unsigned and some whitespace cleanup.
1645 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
1647 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
1648 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
1649 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
1650 (expand_builtin_memset): Likewise, but to clear_storage.
1651 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
1652 (restore_fixed_argument_area): Likewise.
1653 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
1654 (load_register_parameters): Likewise, to emit_group_load.
1655 (expand_call): Likewise, to emit_group_store and emit_block_move.
1656 (emit_library_call_value_1): Likewise, to emit_block_move.
1657 (store_one_arg): Likewise, and to emit_push_insn.
1658 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
1659 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
1660 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
1661 (emit_block_move, emit_group_load, emit_group_store): Likewise.
1662 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
1663 (expand_assigment, store_expr, store_constructor_field): Likewise.
1664 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
1665 (store_constructor, store_field, get_inner_reference): Likewise.
1666 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
1667 (expand_expr, case COMPONENT_REF): Likewise.
1668 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
1669 and positions; reindent code.
1670 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
1671 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
1672 (assign_parms): Likewise to emit_group_store.
1673 * optabs.c (prepare_cmp_insn): Alignment is in bits.
1674 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
1675 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
1676 (expand_return): Likewise to {extract,store}_bit_field.
1677 * stor-layout.c (get_mode_alignment): Minor cleanup.
1678 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
1679 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
1681 2000-03-29 Nick Clifton <nickc@cygnus.com>
1683 * config/arm/arm.h: Undo effects of previous delta:
1684 (ASM_SPEC): Do not define.
1685 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
1687 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
1690 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
1692 * cppinit.c (cpp_start_read): Call initialize_dependency_output
1693 only after reading in the primary source file.
1695 2000-03-29 Geoff Keating <geoffk@cygnus.com>
1697 * c-common.c (c_common_nodes_and_builtins): The first parameter to
1698 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
1699 or a reference to a va_list.
1700 * builtins.c (stabilize_va_list): Simplify now we don't have to
1701 work around C array address decay.
1702 * c-typeck.c (convert_for_assignment): Handle assignment to
1703 a reference parameter by taking the address of the RHS.
1704 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
1705 (va_copy): Likewise.
1706 (__va_copy): Likewise.
1707 * ginclude/varargs.h (va_start): Likewise.
1708 (__va_copy): Likewise.
1710 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
1712 * i386/djgpp.h: Remove extraneous "+".
1714 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
1716 * calls.c (expand_call): Fix typo in last change.
1718 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
1720 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
1723 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1725 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
1726 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
1727 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
1728 * tree.c (bit_position, byte_position): Likewise.
1729 * tree.h: Declare new functions.
1731 2000-03-29 Nick Clifton <nickc@cygnus.com>
1733 * config/arm/arm.c: Minor formatting changes/
1734 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
1736 (ASM_SPEC): Define if not already defined.
1738 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
1740 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
1743 2000-03-29 Jakub Jelinek <jakub@redhat.com>
1745 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
1746 value, don't output it as unsigned.
1748 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
1750 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
1752 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1754 * c-common.c (c_common_nodes_and_builtins): Don't special case
1755 cplus_mode when declaring builtin bzero/bcmp, always avoid
1756 prototype arguments.
1758 2000-03-29 Bruce Korb <bkorb@gnu.org>
1760 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
1763 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
1765 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
1766 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
1767 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
1768 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
1769 (save_fixed_argument_area, restore_fixed_argument_area):
1770 conditionize by #ifdef REG_PARM_STACK_SPACE only.
1771 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
1772 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
1773 (precompute_register_parameters): Avoid #ifdefs on
1774 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
1775 (stire_one_args): Likewise.
1776 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
1777 (emit_library_call_value_1): Likewise.
1778 (compute_argument_block_size): Align to STACK_BOUNDARY only for
1779 ACCUMULATE_OUTGOING_ARGS.
1780 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
1782 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
1783 (use_crosses_set_p): Likewise.
1784 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
1785 #define ACCUMULATE_OUTGOING_ARGS 1.
1786 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
1788 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
1790 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
1791 (TARGET_SWITCHES): Add push-args, no-push-args,
1792 accumulate-outgoing-args and no-accumulate-outgoing-args.
1793 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
1794 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
1795 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
1797 (emit_push_insn): Likewise.
1798 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
1799 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
1800 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
1801 (STACK_DYNAMIC_OFFSET): Define correctly for both
1802 ACCUMULATE_OUTGOING_ARGS and normal mode.
1803 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
1804 * tm.texi (PUSH_ARGS): Document.
1805 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
1807 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
1809 * flags.h (flag_optimize_sibling_calls): Declare.
1810 * calls.c (expand_call): Fail sibcall when
1811 !flag_optimize_sibling_calls
1812 * invoke.texi (flag_optimize_sibling_calls): Document.
1813 * toplev.c (flag_optimize_sibling_calls): New global variable.
1814 (f_options): Add flag_optimize_sibling_calls.
1815 (rest_of_compilation): Conditionize
1816 optimize_sibling_and_tail_recursive_calls by
1817 flag_optimize_sibling_calls.
1818 (main): Set flag_optimize_sibling_calls for -O2.
1819 * stmt.c (expand_return): Conditionize tail recursion by
1820 flag_optimize_sibling_calls.
1822 2000-03-29 Richard Henderson <rth@cygnus.com>
1824 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
1825 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
1827 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
1829 * except.c (add_eh_table_entry): Mark type_info's as referenced.
1831 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1833 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
1835 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
1836 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
1837 * config/rs6000/aix.h: then modified likewise.
1839 2000-03-28 Richard Henderson <rth@cygnus.com>
1841 * rtl.h: Redistribute enum reg_note documentation.
1842 Kill trailing whitespace.
1843 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
1844 Kill trailing whitespace.
1846 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
1848 * cppfiles.c (hash_IHASH): Just return i->hash.
1849 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
1850 htab_find_with_hash.
1851 (cpp_read_file): Likewise.
1852 (find_include_file): Likewise. Properly initialize
1853 ih->nshort. Share ih->name and ih->nshort if possible.
1854 * cpphash.c (_cpp_calc_hash): New function.
1855 (hash_HASHNODE): Just return h->hash.
1856 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
1857 htab_find_with_hash.
1858 * cpphash.h: Prototype _cpp_calc_hash.
1859 * cppinit.c (initialize_builtins): Provide a valid hash
1860 to _cpp_make_hashnode, using _cpp_calc_hash.
1862 * cpphash.c (collect_expansion): # is not a special character
1863 in object-like macros. In -traditional mode, /**/ is not
1864 token paste at the beginning or end of the line.
1865 * cpplib.c (do_include, do_import, do_include_next): If
1866 parse_include fails, return immediately.
1868 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
1870 * config/arm/arm.md (return peepholes): Update to reflect the new
1872 * config/arm/arm.c (arm_volatile_func): Also check
1873 current_function_nothrow.
1874 (output_return_instruction, output_func_prologue): Use it.
1875 (arm_output_epilogue, arm_expand_prologue): Likewise.
1877 2000-03-27 Tom Tromey <tromey@cygnus.com>
1879 * gcc.c (handle_braces): In {x*...} case, break out of loop if
1882 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1884 * expr.c (store_constructor): SIZE now signed.
1885 For EXPR_SIZE, don't evaluate size; just needed if constant.
1886 * fold-const.c (fold): Fix a number of cases when folded tree is
1888 * function.c (flush_addressof): Reenable.
1889 * tree.h (flush_addressof): Likewise.
1890 * toplev.c (independent_decode_option): Look at strings_processed.
1891 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
1893 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
1895 * sibcall.c (indentify_call_return_value): Find last call in the chain;
1896 Allow stack adjustment after function call.
1898 * regmove.c (struct csa_memlist): Make mem field rtx *.
1899 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
1900 (try_apply_stack_adjustment): Replace whole MEM rtx.
1901 (combine_stack_adjustments_for_block): Update calls
1902 to record_one_stack_ref.
1904 2000-03-28 Neil Booth <NeilB@earthling.net>
1906 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
1907 '\\' rather than a null character, so nulls are not special. Fix
1908 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
1909 speed trigraph conversion.
1910 (_cpp_init_input_buffer): Initialize trigraph map.
1912 2000-03-27 Alan Modra <alan@linuxcare.com.au>
1914 * config/i386/i386.c (output_387_binary_op): Correct intel
1915 mode assembly output, and add spaces after commas in AT&T
1916 output. Correct Unixware assembler comment. Document input
1917 constraints. Comment fp operations. Reduce profligate buffer
1918 size. Remove extraneous abort. Localize temp var.
1919 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
1920 (output_fix_trunc): Add spaces after commas in assembly output.
1922 2000-03-27 Richard Henderson <rth@cygnus.com>
1924 * i386-protos.h (ix86_match_ccmode): Declare.
1925 * i386.c (ix86_match_ccmode): New.
1926 (ix86_expand_fp_compare): Update for pattern renames.
1927 (ix86_expand_strlensi_unroll_1): Likewise.
1928 * i386.h (EXTRA_CC_MODES): Add CCZ.
1929 (SELECT_CC_MODE): Use it for EQ/NE zero.
1930 * i386.md (cmpsi_ccz_1): New.
1932 (*testsi_ccz_1): New.
1933 (testqi_ccz_1): New.
1934 (cmpsi_ccno_1): Rename from cmpsi_0.
1935 (testsi_ccno_1): Rename from testsi_1.
1936 (testqi_ccno_1): Rename from testqi_1.
1937 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
1938 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
1939 (*cmphi_0): Use ix86_match_ccmode.
1940 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
1941 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
1942 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
1943 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
1944 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
1945 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
1946 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
1947 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
1948 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
1949 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
1950 (appropriate peepholes): Likewise.
1951 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
1952 (*subsi_3, *subhi_3, *subqi_3): Remove.
1953 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
1954 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
1955 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
1956 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
1957 (x86_shift_adj_1): Use CCZ.
1958 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
1960 2000-03-27 Stan Cox <scox@cygnus.com>
1962 * resource.h (mark_resource_type): New.
1963 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
1964 find_free_register): Use mark_resource_type.
1965 (mark_set_resources): Change include_delayed_effects
1966 to mark_resource_type.
1967 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
1968 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
1969 Use mark_resource_type.
1971 2000-03-27 Richard Henderson <rth@cygnus.com>
1973 * i386.md (call_pop_0, call_value_pop_0): New.
1974 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
1975 (call_value_pop_1): Likewise.
1976 (call_0, call_value_0): New.
1977 (call_1, call_value_1): Remove constraint from unused arg.
1979 2000-03-27 Nick Clifton <nickc@cygnus.com>
1981 * invoke.texi (Spec Files): Document new spec % command created by
1982 Tom Tromey's recent patch.
1984 2000-03-27 Jakub Jelinek <jakub@redhat.com>
1986 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
1989 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1991 * expr.c (expand_assignment): Fix typo in last change.
1993 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
1995 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1997 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
1998 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
1999 and DECL_INLINE if FUNCTION_DECL.
2000 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
2001 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
2002 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
2003 (combine_parm_decls): Likewise.
2004 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
2005 * print-tree.c (print_node): Likewise.
2006 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
2007 DECL_TRANSPARENT_UNION on proper decl types.
2008 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
2009 * stor-layout.c (layout_decl): Only check DECL_PACKED and
2010 DECL_BIT_FIELD of FIELD_DECL.
2011 * tree.h (DECL_RESULT_FLD): New macro.
2013 * expr.c (expand_assignment): Add code to handle variable-sized
2016 2000-03-26 Richard Henderson <rth@cygnus.com>
2018 * calls.c (expand_call): Pass parms not original exp to
2019 optimize_tail_recursion. Mind return value instead of looking
2021 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
2022 call_expr. Move checks for call_expr and current_function_decl ...
2023 (expand_return): ... here.
2025 2000-03-26 Tom Tromey <tromey@cygnus.com>
2027 * gcc.c (handle_braces): Recognize `%{<S}' construct.
2028 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
2030 (process_command): Use them.
2031 (check_live_switch): Likewise.
2032 (give_switch): Skip ignored switches.
2034 2000-03-26 Jan Hubicka <jh@suse.cz>
2036 * jump.c (jump_optimize_1): Fix typo in elide optimizations
2037 for minimal jump pass test.
2039 2000-03-26 Mark Mitchell <mark@codesourcery.com>
2041 * integrate.c (function_cannot_inline_p): Do inline functions that
2044 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2046 * stor-layout.c (layout_type, set_sizetype): early_type_list is
2047 now a list of TREE_LIST entries, not types.
2048 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
2050 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
2051 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
2053 * config/mips/mips.c (function_arg): Likewise; also remove cast
2054 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
2055 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
2056 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
2057 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
2058 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
2059 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
2060 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
2061 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
2062 num_adjusts now unsigned.
2063 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
2064 * config/sparc/sparc.c (struct function_arg_record_value_parms):
2066 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
2067 as is BITPOS variable; use host_integerp and int_bit_position.
2068 (function_arg_record_value_2): Likewise.
2069 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
2070 Variable REGNO now unsigned.
2071 (function_arg_record_value): NREGS now unsigned.
2073 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2075 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
2077 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2079 * Rework fields used to describe positions of bitfields and
2080 modify sizes to be unsigned and use HOST_WIDE_INT.
2081 * alias.c (reg_known_value_size): Now unsigned.
2082 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
2083 (really_start_incremental_init): Use bitsize_zero_node.
2084 (push_init_level, pop_init_level, output_init_element): Likewise.
2085 Use bitsize_unit_node and bitsize_one_node.
2086 (output_pending_init_elements, process_init_element): Likewise.
2087 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
2088 (make_extraction): Position and length HOST_WIDE_INT and unsigned
2089 HOST_WIDE_INT, respectively.
2090 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
2091 (num_sign_bit_copies): Returns unsigned.
2092 BITWIDTH now unsigned; rework arithmetic.
2093 Remove recursive call from arg to MAX.
2094 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
2095 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
2097 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
2098 (find_split_point, expand_compound_operation, make_extraction): LEN
2099 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
2100 (make_field_assignment): Likewise.
2101 (combine_simplify_rtx): Add cast.
2102 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
2103 (force_to_mode): WIDTH now unsigned; add cast.
2104 (if_then_else_cond): SIZE now unsigned.
2105 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
2106 (extended_count): Now returns unsigned.
2107 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
2108 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
2109 (simplify_comparison): MODE_WIDTH now unsigned.
2110 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
2111 (mark_used_regs_combine): Likewise; rework arithmetic.
2112 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
2113 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
2114 (record_promoted_value): REGNO now unsigned.
2115 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
2116 (get_last_value): REGNO now unsigned.
2117 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
2118 (reg_dead_regno, reg_dead_endregno): Now unsigned.
2119 (remove_death): Arg REGNO now unsigned.
2120 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
2121 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
2123 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
2124 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
2125 (struct cse_reg_info): REGNO now unsigned.
2126 (cached_regno): Now unsigned.
2127 (REGNO_QTY_VALID_P): Add cast.
2128 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
2129 (remove_invalid_regs): Likewise.
2130 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
2131 as are variables END and I.
2132 (get_cse_reg_info, insert): Likewise.
2133 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
2134 (canon_hash): Likewise.
2135 (insert_regs, lookup_for_remove): REGNO now unsigned.
2136 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
2138 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
2139 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
2140 * emit-rtl.c (subreg_realpart_p): Add cast.
2141 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
2142 (operand_subword_force): Arg I is now unsigned.
2143 * except.c (eh_regs): Variable I is now unsigned.
2144 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
2145 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
2146 length is unsigned HOST_WIDE_INT; likewise for internal variables.
2147 (store_split_bit_field, extract_fixed_bit_field): Likewise.
2148 (extract_split_bit_field, store_bit_field, extract_bit_field):
2150 * expr.c (store_constructor_fields, store_constructor, store_field):
2151 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
2152 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
2153 (do_jump): Likewise.
2154 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
2155 MAX_SIZE is now unsigned.
2156 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
2157 (emit_group_store): Likewise.
2158 (emit_move_insn): I now unsigned.
2159 (store_constructor): Use host_integerp, tree_low_cst, and
2161 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
2162 Rework all calculations to use trees and new fields.
2163 * expr.h (promoted_input_arg): Regno now unsigned.
2164 (store_bit_field, extract_bit_field): Adjust types of pos and size.
2165 (mark_seen_cases): Arg is HOST_WIDE_INT.
2166 * flow.c (verify_wide_reg_1): REGNO now unsigned.
2167 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
2168 precisions and alignments are unsigned.
2169 (optimize_bit_field_compare, fold_truthop): Likewise.
2170 (int_const_binop): Adjust threshold for size_int_type_wide call.
2171 (fold_convert): Likewise.
2172 (size_int_type_wide): Make table larger and fix thinko that only
2173 had half of table used.
2174 (all_ones_mask_p, fold): Precisions are unsigned.
2175 * function.c (put_reg_info_stack): REGNO is unsigned.
2176 (instantiate_decl): Size is HOST_WIDE_INT.
2177 (instantiate_virtual_regs): I is unsigned.
2178 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
2179 (promoted_input_arg): REGNO is unsigned.
2180 * function.h (struct function): x_max_parm_reg is now unsigned.
2181 * gcse.c (max_gcse_regno): Now unsigned.
2182 (struct null_pointer_info): min_reg and max_reg now unsigned.
2183 (lookup_set, next_set): REGNO arg now unsigned.
2184 (compute_hash_table): REGNO and I now unsigned.
2185 (handle_avail_expr): regnum_for_replacing now unsigned.
2186 (cprop_insn): REGNO now unsigned.
2187 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
2188 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
2189 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
2190 * hard-reg-set.h (reg_class_size): Now unsigned.
2191 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
2192 * jump.c (mark_modified_reg): I now unsigned; add cast.
2193 (rtx_equal_for_thread_p): Add cast.
2194 * loop.c (max_reg_before_loop): Now unsigned.
2195 (struct_movable): REGNO now unsigned.
2196 (try_copy_prop): REGNO arg unsigned.
2197 (regs_match_p): XN and YN now unsigned.
2198 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
2199 (strength_reduce): Likewise; NREGS also unsigned.
2200 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
2201 * loop.h (struct iv_class): REGNO now unsigned.
2202 (max_reg_before_loop, first_increment_giv, last_increment_giv):
2204 * machmode.h (mode_size, mode_unit_size): Now unsigned.
2205 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
2206 * optabs.c (expand_binop): I and NWORDS now unsigned.
2207 (expand_unop): I now unsigned.
2208 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
2209 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
2210 * real.c (significand_size): Now returns unsigned.
2211 * real.h (significand_size): Likewise.
2212 * regclass.c (reg_class_size): Now unsigned.
2213 (choose_hard_reg_mode): Both operands now unsigned.
2214 (record_reg_classes): REGNO and NR now unsigned.
2215 (reg_scan): NREGS now unsigned.
2216 (reg_scan_update): old_max_regno now unsigned.
2217 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
2218 * reload.c (find_valid_class): BEST_SIZE now unsigned.
2219 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
2220 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
2221 Likewise for variable R.
2222 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
2223 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
2224 (find_equiv_reg): Add casts.
2225 (regno_clobbered_p): Arg REGNO now unsigned.
2226 * reload.h (struct reload): NREGS now unsigned.
2227 (refers_to_regno_for_reload_p): Regno args are unsigned.
2228 (regno_clobbered_p): Likewise.
2229 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
2230 (compute_use_by_pseudos): REGNO now unsigned.
2231 (find_reg): I and J now unsigned, new variable K, and change loop
2232 variables accordingly; THIS_NREGS now unsigned.
2233 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
2234 (spill_hard_reg): REGNO arg now unsigned; add casts.
2235 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
2236 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
2237 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
2238 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
2239 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
2240 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
2241 (emit_reload_insns): REGNO now unsigned.
2242 (reload_cse_move2add): Add cast.
2243 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
2245 * resource.c (mark_referenced_resources, mark_set_resources): New
2246 variable R; REGNO and LAST_REGNO now unsigned.
2247 (mark_target_live_regs): J and REGNO now unsigned.
2248 * rtl.c (mode_size, mode_unit_size): Now unsigned.
2249 * rtl.h (union rtunion_def): New field rtuint.
2250 (XCUINT): New macro.
2251 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
2252 (operand_subword, operand_subword_force): Word number is unsigned.
2253 (choose_hard_reg_mode): Operands are unsigned.
2254 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
2255 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
2256 (regno_use_in, combine_instructions, remove_death): Likewise.
2257 (reg_scan, reg_scan_update): Likewise.
2258 (extended_count): Return is unsigned.
2259 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
2260 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
2261 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
2262 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
2263 (reg_reg_last_1): FIRS and LAST now unsigned.
2264 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
2265 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
2267 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
2268 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
2269 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
2270 (replace_regs): Arg NREGS now unsigned.
2271 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
2272 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
2273 (simplify_binary_operation): Likewise.
2274 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
2275 THIS_LAST now unsigned.
2276 (cselib_record_set): Add cast.
2277 * ssa.c (ssa_max_reg_num): Now unsigned.
2278 (rename_block): REGNO now unsigned.
2279 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
2281 (all_cases_count): Just return -1 not -2.
2282 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
2283 Rework tests to use trees whenever possible.
2284 Use host_integerp and tree_low_cst.
2285 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
2286 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
2287 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
2288 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
2289 (smallest_mode_for_size): Likewise.
2290 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
2291 KNOWN_ALIGN is now an alignment, so simplify code.
2292 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
2293 (start_record_layout): Renamed from new_record_layout_info.
2294 Update to new fields.
2295 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
2297 (place_union_field): Renamed from layout_union_field.
2298 Update to use new fields in rli.
2299 (place_field): Renamed from layout_field.
2300 Major rewrite to use new fields in rli; pass alignment to layout_decl.
2301 (finalize_record_size): Rework to use new fields in rli and handle
2303 (compute_record_mode): Rework to simplify and to use new DECL fields.
2304 (finalize_type_size): Make rounding more consistent.
2305 (finish_union_layout): Deleted.
2306 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
2307 (layout_type, case RECORD_TYPE): Call new function names.
2308 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
2309 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
2310 (get_best_mode): UNIT is now unsigned; remove casts.
2311 * tree.c (bit_position): Compute from new fields.
2312 (byte_position, int_byte_position): New functions.
2313 (print_type_hash_statistics): Cast to remove warning.
2314 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
2315 (build_index_type): Likewise; make subtype of sizetype.
2316 (build_index_2_type): Pass sizetype to build_range_type.
2317 (build_common_tree_nodes): Use size_int and bitsize_int to
2318 initialize nodes; add bitsize_{zero,one,unit}_node.
2319 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
2320 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
2321 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
2322 (DECL_FIELD_BITPOS): Deleted.
2323 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
2324 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
2325 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
2326 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
2327 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
2328 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
2329 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
2330 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
2331 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
2332 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
2333 (DECL_ALIGN): Adjust to new field in union.
2334 (DECL_OFFSET_ALIGN): New field.
2335 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
2336 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
2337 (union tree_decl): Add struct for both aligns.
2338 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
2339 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
2340 (struct record_layout_info): Rework fields to have offset
2341 alignment and byte and bit position.
2342 (start_record_layout, place_field): Renamed from old names.
2343 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
2344 (byte_position, int_byte_position): Likewise.
2345 (get_inner_reference): Change types of position and length.
2346 * unroll.c (unroll_loop): New variable R; use for some loops.
2347 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
2348 (calculate_giv_inc): Arg REGNO now unsigned.
2349 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
2350 * varasm.c (assemble_variable): Clean up handling of size using
2351 host_integerp and tree_low_cst.
2352 (decode_addr_const): Use byte, not bit, position.
2353 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
2354 use tree_low_cst and int_bit_position.
2355 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
2357 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
2359 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
2360 (reorder_block_def): New members eff_head and eff_end.
2361 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
2362 (verify_insn_chain): New function.
2363 (skip_insns_between_block): Add code to skip deleted insns.
2364 Check for note before using.
2365 (chain_reorder_blocks): Replace calls to skip_insns_between_block
2366 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
2367 Check for note before using.
2368 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
2369 (fixup_reorder_chain): Restructure, clean up, defect removal.
2370 (reorder_basic_blocks): Remove last_insn and references to it.
2371 Moved insn chain verification code into a new function (see above).
2372 Delete defective code that sets last insn.
2373 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
2376 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2378 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
2380 2000-03-24 Richard Henderson <rth@cygnus.com>
2382 * tree.c (lang_safe_for_unsave): Remove.
2383 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
2384 allowing for two levels of unsafeness. Remove lang hook.
2385 * tree.h: Update declarations.
2386 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
2387 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
2388 Always fail sibcalls when there are pending cleanups.
2390 2000-03-24 Geoff Keating <geoffk@cygnus.com>
2392 * flow.c (propagate_block): When we delete an ADDR_VEC,
2393 also delete the BARRIER following it if there is one.
2395 2000-03-24 Richard Henderson <rth@cygnus.com>
2397 * builtins.c (expand_builtin_bzero): Convert `length' argument
2400 2000-03-24 Jakub Jelinek <jakub@redhat.com>
2402 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
2403 comparison if regno's are equal.
2404 * calls.c (initialize_argument_informat): Add ecf_flags argument.
2405 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2406 (expand_call): Update caller.
2407 Avoid making a sibling call if argument size of the callee is larger
2408 than argument size of the caller.
2409 Call hard_function_value with outgoing set if in sibcall pass.
2410 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2412 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
2413 Change LEAF_REGISTERS from an array initializer to actual array
2414 identifier. Move static global variable into the function.
2415 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
2416 sequences for leaf functions.
2417 * global.c (global_alloc): Likewise.
2418 * tm.texi (LEAF_REGISTERS): Update documentation.
2420 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
2421 TARGET_FLAT leaf disabling hack.
2422 (LEAF_REGISTERS): Changed from an array initializer to actual array
2423 identifier to avoid duplication and remove the above hack.
2424 (FUNCTION_OK_FOR_SIBCALL): Define.
2425 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
2426 always like call attribute.
2427 (eligible_for_sibcall_delay): New attribute.
2428 (sibcall): New delay type.
2429 (sibcall, sibcall_value, sibcall_epilogue): New expands.
2430 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
2431 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
2432 * config/sparc/sparc.c (sparc_leaf_regs): New array.
2433 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
2435 (output_function_epilogue): Move part of the code into
2436 output_restore_regs.
2437 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
2439 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
2442 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
2443 until infrastructure is finished.
2445 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
2447 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
2448 (save_parm_insns): Not here.
2450 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2452 * builtins.c (expand_builtin_bzero): New function.
2453 (expand_builtin): Handle bzero.
2455 * builtins.def: Add BUILT_IN_BZERO.
2457 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2458 prototype & function for bzero.
2460 2000-03-23 Michael Meissner <meissner@redhat.com>
2462 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
2463 change adding TARGET_FP to the TF floating point insns, except for
2464 trunctfsf2, which generates direct calls to truncdfsf2.
2466 2000-03-23 Geoff Keating <geoffk@cygnus.com>
2468 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
2469 try to protect against middle-end changes that break binary
2471 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
2473 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2475 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
2477 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2479 * calls.c (expand_call): If TARGET is passed by reference and
2480 is readonly, write a CLOBBER.
2482 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2484 * builtins.c (expand_builtin): Handle bcmp.
2486 * builtins.def: Add BUILT_IN_BCMP.
2488 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2489 prototype & function for bcmp.
2491 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
2493 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
2494 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
2495 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
2497 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
2499 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
2500 alternative when using -fp64 -gp32.
2502 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2504 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
2505 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
2506 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
2508 * frame.h (frame_state): Revert last change.
2509 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
2510 * libgcc2.c (throw_helper): Revert last change.
2512 2000-03-22 Richard Henderson <rth@cygnus.com>
2514 * stmt.c (expand_asm_operands): Don't promote the temporary.
2516 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2518 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
2519 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
2520 c_get_alias_set): Likewise.
2521 * c-decl.c (duplicate_decls): Likewise.
2522 * c-typeck.c (default_conversion,build_unary_op): Likewise.
2523 * calls.c (initialize_argument_information): Likewise.
2524 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
2526 * dwarfout.c (decl_class_context,output_type): Likewise.
2527 * expr.c (get_inner_reference): Likewise.
2528 * fold-const.c (simple_operand_p,fold): Likewise.
2529 * function.c (aggregate_value_p): Likewise.
2530 * stmt.c (expand_asm_operands): Likewise.
2531 * varasm.c (named_section): Likewise.
2533 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2535 Implement dwarf2 exception handling for the ARM.
2536 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
2537 (DWARF_FRAME_RETURN_COLUMN): Define.
2538 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
2539 REG_FRAME_RELATED_EXPR note.
2540 (emit_sfm): Likewise.
2541 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
2542 * dwarf2out.c (reg_save): Handle saving a register to itself.
2543 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
2544 * except.c (eh_regs): Don't use the static chain reg if it's
2546 * frame.h (frame_state): Add cfa_saved field.
2547 * frame.c (execute_cfa_insn): Set it.
2548 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
2550 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
2552 (instantiate_virtual_regs): Adjust.
2554 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2555 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2556 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
2558 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
2559 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
2561 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2563 * builtins.def: New file.
2565 * Makefile.in (TREE_H): Depend on builtins.def.
2567 * builtins.c (built_in_names): Use builtins.def.
2569 * tree.h (built_in_function): Likewise.
2571 2000-03-22 Mark Mitchell <mark@codesourcery.com>
2573 * tree.c (size_in_bytes): Return size_zero_node, not
2576 2000-03-22 Geoff Keating <geoffk@cygnus.com>
2578 * config/fp-bit.c (pack_d): Correct the case when a denormal
2579 is rounded up and stops being denormal.
2581 2000-03-21 Richard Henderson <rth@cygnus.com>
2583 * config/alpha/alpha.c (function_arg): Check for void_type_node
2584 before using MUST_PASS_IN_STACK.
2586 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
2588 * regmove.c (combine_stack_adjustments_for_block): Check that
2589 the stack pointer is a valid memory address.
2591 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
2593 * calls.c: re-install Mar 16 emit_library_call merge.
2595 2000-03-21 Jakub Jelinek <jakub@redhat.com>
2597 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
2598 we cannot be sure that if reload_completed base register will
2599 be properly aligned.
2601 2000-03-21 Richard Henderson <rth@cygnus.com>
2603 * flow.c (delete_block): Fix typo last change.
2605 2000-03-21 Mark Mitchell <mark@codesourcery.com>
2607 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
2608 not COMPLETE_TYPE_P, to check the type of the expression.
2610 2000-03-21 Michael Meissner <meissner@redhat.com>
2612 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
2613 all floating point insns that just tested the macro
2614 TARGET_HAS_XFLOATING_LIBS.
2615 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
2616 used to only use the gprs.
2618 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
2620 * tree.h (COMPLETE_TYPE_P): New macro.
2621 (COMPLETE_OR_VOID_TYPE_P): New macro.
2622 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
2623 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
2624 * c-aux-info.c (gen_type): Use them.
2625 * c-common.c (c_expand_expr_stmt): Likewise.
2626 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
2627 grokdeclarator, grokparms, finish_struct, start_function,
2628 store_parm_decls, combine_parm_decls): Likewise.
2629 * c-parse.y (cast_expr): Likewise.
2630 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
2631 c_size_in_bytes, c_alignof, build_component_ref,
2632 build_indirect_ref, build_array_ref, convert_arguments,
2633 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
2634 * calls.c (initialize_argument_information): Likewise.
2635 * convert.c (convert_to_integer): Likewise.
2636 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
2637 * dwarfout.c (location_or_const_value_attribute,
2638 output_enumeration_type_die, output_structure_type_die,
2639 output_union_type_die, output_type): Likewise.
2640 * expr.c (safe_from_p, expand_expr): Likewise.
2641 * function.c (assign_parms): Likewise.
2642 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
2643 * tree.c (build_array_type, build_function_type,
2644 build_method_type, build_offset_type, build_complex_type): Likewise.
2645 * c-parse.c, c-parse.h: Regenerated.
2647 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2649 * config/c4x/rtems.h: Include config/rtems.h.
2651 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
2653 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
2654 decl is a FUNCTION_DECL
2656 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
2658 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
2659 function uses output registers. Don't save RP for leaf functions.
2660 Do save RP even if no epilogue.
2661 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
2662 (CALL_USED_REGISTERS): Unmark in registers.
2663 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
2666 2000-03-20 Geoff Keating <geoffk@cygnus.com>
2668 * config/rs6000/rs6000.md (bunordered): New expander.
2669 (bordered): New expander.
2670 (buneq): New expander.
2671 (bunge): New expander.
2672 (bungt): New expander.
2673 (bunle): New expander.
2674 (bunlt): New expander.
2675 (bltgt): New expander.
2677 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
2678 (ccr_bit_negated_p): New function.
2679 (print_operand): For %C, generate appropriate cror for UNEQ,
2680 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
2682 2000-03-20 Andreas Jaeger <aj@suse.de>
2684 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
2687 * tree.h (safe_for_unsave): Prototype.
2689 2000-03-20 Richard Henderson <rth@cygnus.com>
2691 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
2692 (combine_stack_adjustments_for_block): Don't allow sp references
2693 in the side of a set we're not fixing up.
2694 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
2695 after life_analysis.
2697 2000-03-20 Richard Henderson <rth@cygnus.com>
2699 * calls.c (expand_call): Don't bother generating tail call
2700 sequences if there are pending cleanups. Use
2701 expand_start_target_temps/expand_end_target_temps to elide
2702 cleanups created during sibcall expansion.
2704 2000-03-20 Geoff Keating <geoffk@cygnus.com>
2706 * configure.in: Set $IFS to a value if it doesn't already have one
2707 in the --enable-checking handling.
2708 * configure: Regenerate.
2710 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2712 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
2713 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2716 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
2718 * jump.c (delete_noop_moves): Remove code attempting to
2719 combine stack adjustments.
2721 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2723 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
2724 * except.c (emit_cleanup_handler): Use them.
2725 (expand_end_all_catch): Likewise.
2726 * function.c (fixup_var_refs): Likewise.
2727 (expand_function_end): Clear catch_clauses_last.
2728 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
2729 * except.h (struct eh_status): New field x_catch_clauses_last.
2730 (catch_clauses_last): New define.
2732 * Makefile.in (tree.o): Depend on HASHTAB_H.
2733 * tree.c: Include hashtab.h.
2734 (struct type_hash): Remove next field.
2735 (TYPE_HASH_SIZE): Remove.
2736 (TYPE_HASH_INITIAL_SIZE): New define.
2737 (type_hash_table): Change type to htab_t.
2738 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
2739 mark_hash_entry): New functions.
2740 (init_obstacks): Allocate type hash.
2741 (type_hash_lookup): Use htab functions.
2742 (type_hash_add, mark_type_hash): Likewise.
2743 (dump_tree_statistics): Call print_type_hash_statistics.
2745 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2747 * rs6000/t-aix41: New file.
2749 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
2751 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
2753 * tm.texi (Driver): Fix typos and tweak entry for
2755 Move misplaced STRUCT_FORCE_BLK entry ...
2756 (Storage Layout): ... to here.
2757 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
2759 2000-03-19 Richard Henderson <rth@cygnus.com>
2761 * flow.c (delete_block): Delete the addr_vec along with the block.
2762 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
2765 * fold-const.c (extract_muldiv): Apply type check for defined
2766 overflow to multiply as well as divide.
2768 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
2770 2000-03-18 Mark Mitchell <mark@codesourcery.com>
2772 * emit-rtl.c (remove_unncessary_notes): Check that all
2773 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
2774 associated NOTE_BLOCK.
2775 * function.h (identify_blocks): Update comments.
2776 (reorder_blocks): Declare.
2777 * function.c (identify_blocks): Don't take paramters.
2778 (reorder_blocks): Don't take parameters.
2779 * loop.h (find_loop_tree_blocks): Remove.
2780 (unroll_block_trees): Likewise.
2781 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
2782 reorder_blocks instead of unroll_block_trees.h
2783 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
2784 * stmt.c (find_loop_tree_blocks): Remove.
2785 (unroll_block_trees): Likewise.
2786 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
2787 in whole-function mode.
2788 * tree.h (reorder_blocks): Remove declaration.
2790 * expr.c: Include intl.h.
2791 * Makefile.in (expr.o): Depend on intl.h.
2793 2000-03-18 Richard Henderson <rth@cygnus.com>
2795 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
2797 2000-03-18 Mark Mitchell <mark@codesourcery.com>
2799 * tree.h (tree_index): Remove enumerals for integer types.
2800 (integer_type_kind): New type.
2801 (integer_types): New variable.
2802 (char_type_node): Adjust.
2803 (signed_char_type_node): Likewise.
2804 (unsigned_char_type_node): Likewise.
2805 (short_integer_type_node): Likewise.
2806 (short_unsigned_type_node): Likewise.
2807 (integer_type_node): Likewise.
2808 (unsigned_type_node): Likewise.
2809 (long_integer_type_node): Likewise.
2810 (long_unsigned_type_node): Likewise.
2811 (long_long_integer_type_node): Likewise.
2812 (long_long_unsigned_type_node): Likewise.
2813 * tree.c (integer_types): New variable.
2814 (init_obstacks): Register it as a root.
2816 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
2818 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
2819 NEXT_INSN. Update last insn in chain.
2821 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
2823 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
2824 with TYPE_DECL_SUPPRESS_DEBUG set.
2826 2000-03-18 Richard Henderson <rth@cygnus.com>
2828 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
2830 2000-03-18 Richard Henderson <rth@cygnus.com>
2832 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
2833 care for HALF_PIC_P.
2834 (expander_call_insn_operand): Remove.
2835 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
2836 * i386.h (PREDICATE_CODES): Update.
2837 * i386.md (all call expanders): Remove predicates, remove special
2838 handling for half-pic.
2839 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
2840 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
2841 (sibcall_epilogue): New.
2843 2000-03-17 Richard Henderson <rth@cygnus.com>
2845 * rtlanal.c (single_set): Reject if the parallel has anything
2846 except SET or USE or CLOBBER.
2848 2000-03-17 Jeff Law <law@cygnus.com>
2849 Richard Henderson <rth@cygnus.com>
2851 * Makefile.in (OBJS): Add sibcall.o.
2853 * sibcall.c: New file.
2854 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
2855 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
2856 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
2857 Emit sibcall patterns when requested. Update all callers.
2858 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
2859 elimination seems feasable.
2860 * final.c (leaf_function_p): Sibling calls don't discount being
2862 * flow.c (HAVE_sibcall_epilogue): Provide default.
2863 (find_basic_blocks_1): Sibling calls don't throw.
2864 (make_edges): Make edge from sibling call to EXIT.
2865 (propagate_block): Don't remove sibcall_epilogue insns.
2866 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
2867 (sibcall_epilogue): New.
2868 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
2869 (identify_blocks_1): Likewise. Break out from ...
2870 (identify_blocks): ... here.
2871 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
2872 (reorder_blocks): ... here.
2873 (init_function_for_compilation): Zap prologue/epilogue as varrays.
2874 (record_insns): Extend a varray instead of mallocing new memory.
2875 (contains): Read a varray not array of ints.
2876 (sibcall_epilogue_contains): New.
2877 (thread_prologue_and_epilogue_insns): Emit and record
2878 sibcall_epilogue patterns.
2879 (init_function_once): Allocate prologue/epilogue varrays.
2880 * genflags.c (gen_insn): Treat sibcall patterns as calls.
2881 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
2883 (save_for_inline_nocopy): ... here.
2884 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
2886 (expand_inline_function): ... here.
2887 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
2888 (subst_constants): Handle 'n' formats.
2889 * jump.c (jump_optimize_minimal): New.
2890 (jump_optimize_1): New arg `minimal'; update callers. Elide most
2891 optimizations if it's set.
2892 * rtl.c (copy_rtx): Do copy jump & call for insns.
2893 * rtl.h (struct rtx_def): Document use of jump and call for insns.
2894 (SIBLING_CALL_P): New.
2895 (sibcall_use_t): New.
2896 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
2897 Invoke optimize_sibling_and_tail_recursive_calls.
2898 * tree.c (lang_safe_for_unsave): New.
2899 (safe_for_unsave): New.
2900 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
2902 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
2903 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
2904 (*sibcall_osf_1, *sibcall_value_osf_1): New.
2906 2000-03-17 Mark Mitchell <mark@codesourcery.com>
2908 * objc/objc-act.c (encode_method_prototype): Pass types, not
2909 PARM_DECLs, to int_size_in_bytes.
2911 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
2913 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
2915 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
2916 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
2918 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2920 * Clean up usages of TREE_INT_CST_LOW.
2921 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
2922 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2924 * c-tree.h (min_precision): Move declaration to here.
2925 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
2926 (build_unary_op, add_pending_init): Use bit_position.
2927 (pending_init_member, process_init_element): Likewise.
2928 (really_start_incremental_init, push_init_level, pop_init_level):
2929 Don't make copies of nodes or modify them in place, use consistent
2930 types when tracking positions, and use tree routines computations.
2931 (set_init_index, output_init_element): Likewise.
2932 (output_pending_init_elements, process_init_element): Likewise.
2933 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
2934 tree_low_cst and int_bit_position; also minor cleanup.
2935 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
2936 (print_cst_octal): Precision is unsigned.
2937 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
2938 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
2939 (simple_type_align_in_bits): Result is unsigned int.
2940 Use tree_int_low_cst and host_integerp.
2941 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
2942 (field_byte_offset): Result is HOST_WIDE_INT.
2943 Change types of internal variables so alignments are unsigned int,
2944 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
2945 Use host_integerp, tree_low_cst, and int_bit_position.
2946 (add_bit_offset_attribute): Likewise.
2947 (add_data_member_location_attribute): Use tree_cst_low.
2948 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
2949 (add_bit_size_attribute): Use tree_low_cst.
2950 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
2951 * dwarfout.c: Similar changes to dwarf2out.c.
2952 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
2953 * genoutput.c (n_occurences): Return -1 for null string.
2954 (strip_whitespace): Accept null string and make into function.
2955 (scan_operands): Reflect above changes.
2956 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
2957 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
2958 * ssa.c (rename_registers): Add missing cast of arg to bzero.
2959 * tree.c (int_size_in_bytes): Check for too big to represent.
2960 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
2961 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
2963 (min_precision): Delete from here.
2964 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
2965 and int_bit_position.
2966 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
2967 (encode_method_def): Likewise.
2968 (build_ivar_list_initializer): Use int_bit_position.
2969 (generate_shared_structures): Convert size.
2970 (encode_type, encode_complete_bitfield): Use integer_zerop.
2971 (encode_bitfield): Use tree_low_cst and int_bit_position.
2973 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2975 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
2977 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2979 * call.c (special_function_p): It is only malloc if it returns
2982 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2984 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
2985 (C33_FLAG, TARGET_C3X): Add macros.
2986 (TARGET_SWITCHES): Add -m33 option.
2987 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
2989 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2991 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
2992 (PARALLEL_PACK_FLAG): Delete.
2993 (TARGET_SWITCHES): Update.
2994 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
2996 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2998 * fold-const.c (fold): Fix a few cases when the returned result
2999 is not of the same type as the input.
3001 2000-03-16 Nick Clifton <nickc@cygnus.com>
3003 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
3006 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3008 * libgcc2.h: Move prototypes above macros with the same name.
3009 Wrap some function prototypes in the conditional which indicates
3010 whether they are supported, i.e. "BITS_PER_UNIT == 8".
3012 2000-03-16 Richard Henderson <rth@cygnus.com>
3014 * calls.c: Revert last two changes.
3016 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
3018 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
3019 has exponent 0 is a zero.
3021 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
3022 HASH may already be nonzero. Add code/mode into hash value
3023 immediately after repeat label.
3024 (cselib_lookup): Don't leave the hash table in an inconsistent
3025 state before a hash lookup operation.
3027 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
3029 * i386.md (all HI and QI mode non-move patterns): Conditionize
3030 by TARGET_[HQ]IMODE_MATH.
3031 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
3032 x86_promote_qi_regs): Declare.
3033 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
3034 TARGET_PROMOTE_QI_REGS): New macros.
3035 (PROMOTE_MODE): New macro.
3036 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
3037 x86_promote_qi_regs): New global variables.
3039 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
3041 * calls.c (emit_library_call_value_1): Break out from ...; handle
3042 VOIDmode function calls too.
3043 (emit_library_call_value): ... here.
3044 (emit_library_call): Implement by calling emit_library_call_value_1.
3046 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
3048 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
3049 Update arg_space_so_far on stack adjustments.
3050 (emit_library_call, emit_library_call_value): Likewise; take into
3051 account arg_space_so_far and pending_stack_adjust when calculcating
3054 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
3056 * flow.c: Move all basic block reordering code into its own file.
3057 (create_basic_block): Externalize.
3058 * bb-reorder.c: New file. Copy all basic block reordering code from
3059 flow.c to this file.
3060 (reorder_basic_blocks): Fix fencepost error in for-loop.
3061 (reorder_basic_blocks): Remove braces from single statement for-loops.
3062 * basic-block.h: Add declaration for create_basic_block.
3063 * Makefile.in: Add rules for bb-reorder.o.
3065 2000-03-16 Neil Booth <NeilB@earthling.net>
3067 * cppinit.c (handle_option): Implement #unassert directive
3068 as -A- command line option.
3069 (print_help): Update.
3070 * cpptexi.c: Update.
3072 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
3074 * md.texi (Standard Names): Document `jump'.
3076 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
3078 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
3081 2000-03-15 Geoff Keating <geoffk@cygnus.com>
3083 Merge changes from newppc-branch onto trunk.
3085 2000-03-15 Geoff Keating <geoffk@cygnus.com>
3087 * rs6000.c (toc_hash_table): Update for new hash table functions.
3088 (toc_hash_function): Likewise.
3089 (toc_hash_eq): Likewise.
3090 (toc_hash_mark_entry): Likewise.
3091 (toc_hash_mark_table): Likewise.
3092 (output_toc): Likewise.
3093 (rs6000_add_gc_roots): Likewise.
3095 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3097 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
3098 (AR_FLAGS_FOR_TARGET): here. New macro.
3100 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
3102 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
3103 fpmem_operand) Delete.
3105 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
3106 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
3107 (rs6000_save_machine_status, rs6000_restore_machine_status,
3108 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
3109 references to above variables.
3110 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
3111 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
3112 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
3113 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
3114 (XER_REGNO_P, XER_REGNO): New.
3115 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
3116 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
3117 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
3119 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
3120 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
3121 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
3123 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3125 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
3126 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
3127 * rs6000.h: from here.
3129 * rs6000-protos.h (rs6000_select_section): Provide prototype.
3130 (rs6000_select_rtx_section): Likewise.
3131 (rs6000_encode_section_info): Likewise.
3132 (sdata_section): Likewise.
3133 (sdata2_section): Likewise.
3134 (sbss_section): Likewise.
3135 * sysv4.h (rs6000_select_section): Delete prototype.
3136 (rs6000_select_rtx_section): Likewise.
3137 (rs6000_encode_section_info): Likewise.
3138 (sdata_section): Likewise.
3139 (sdata2_section): Likewise.
3140 (sbss_section): Likewise.
3141 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
3143 * sysv4.h: Delete various unnecessary #undef's and put a comment
3144 on the remaining ones.
3145 Change various comments according to coding standard.
3147 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
3149 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
3150 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
3151 (CR0_REGNO_P) Remove.
3152 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
3153 setup_incoming_varargs, mtcrf_operation, print_operand,
3154 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
3155 Use the above macros.
3157 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
3159 * config/rs6000/rs6000.md: Added a new alternative for each
3160 pattern that had a 'x' alternative but no 'y' alternative.
3161 Added a new split for each of the above patterns.
3163 2000-02-18 Geoff Keating <geoffk@cygnus.com>
3165 * aix41.h (ASM_CPU_SPEC): Delete.
3166 (CPP_CPU_SPEC): Delete.
3168 * aix.h (RS6000_OUTPUT_BASENAME): Define.
3169 (ASM_OUTPUT_LABEL): Define.
3170 (ASM_GLOBALIZE_LABEL): Define.
3171 (STRIP_NAME_ENCODING): Define.
3172 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
3173 (STRIP_NAME_ENCODING): Don't define.
3174 (ASM_OUTPUT_LABEL): Don't define.
3175 (ASM_GLOBALIZE_LABEL): Don't define.
3176 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
3177 names, and ASM_OUTPUT_LABEL to output labels, rather than
3179 (ASM_OUTPUT_LABEL): Define.
3180 (ASM_OUTPUT_INT): Use assemble_name.
3181 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
3182 (STRIP_NAME_ENCODING): Don't undefine first.
3183 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
3185 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
3186 specified with 'asm' even with -fleading-underscore.
3187 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
3188 (output_epilog): Likewise.
3189 (output_toc): Likewise.
3190 * tramp.asm: Handle -fleading-underscore correctly.
3192 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
3194 (nonlocal_goto_receiver): Delete.
3195 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
3197 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
3198 (SET_ASM_OP): Define.
3199 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
3201 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
3204 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
3205 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
3207 * rs6000.h: Add 'u' to more constants.
3209 2000-02-18 David Edelsohn <edelsohn@gnu.org>
3211 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
3213 2000-02-15 David Edelsohn <edelsohn@gnu.org>
3215 * rs6000.c (reg_or_u_cint_operand): New function.
3216 (logical_operand): Handle 64-bit hosts.
3217 (logical_u_operand): New function.
3218 (non_logical_cint_operand): Handle 64-bit hosts.
3219 (non_logical_u_cint_operand): New function.
3220 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
3221 (PREDICATE_CODES): Define new functions.
3222 * rs6000-protos.h: Declare new functions.
3223 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
3224 (movdi_64): Bracket code intended for 64-bit hosts. Create
3225 CONST_DOUBLE for 32-bit values.
3226 (scc insns): Generate DImode compares.
3227 (mfcr insns): Create DImode versions.
3228 (sge matchers): New patterns.
3230 2000-02-15 Gabriel Paubert <paubert@iram.es>
3232 * rs6000.md: Correct instructions length attributes and
3233 constraints on unsigned compare instructions.
3234 (*ne0): Disable for PowerPC64.
3236 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3238 * rs6000.c (output_function_profiler): Use .long for a 32-bit
3239 quantity, fix profile1.C test failure under -fPIC.
3241 * rs6000.c: Add 'u' to many constants to suppress warnings.
3242 (constant_pool_expr_1): Make static.
3243 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
3244 * rs6000.h: Add 'u' to many constants to suppress warnings.
3246 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
3247 for the start of the TOC, instead of LCTOC..0.
3248 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
3250 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
3251 (load_toc_aix_di): Use LCTOC..1.
3253 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
3254 * rs6000.c (rs6000_legitimize_address): New function from
3255 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
3256 symbols in the constant pool that really are TOC references.
3257 (print_operand_address): For ELF, write TOC offsets under
3258 -fPIC as subtractions in the insn.
3259 (output_toc): For ELF, define symbols in TOC as normal labels,
3261 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
3262 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
3263 (create_TOC_reference): Prototype only when RTX_CODE is defined.
3264 * rs6000.md (movsi): Only use create_TOC_reference on
3265 symbols in the constant pool that really are TOC references.
3267 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
3268 * rs6000.c (rs6000_reorg): Delete.
3269 * rs6000-protos.h (rs6000_reorg): Delete.
3271 2000-02-09 Geoff Keating <geoffk@cygnus.com>
3273 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
3275 * aix.h (SETUP_FRAME_ADDRESSES): Define.
3276 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
3277 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
3278 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
3279 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
3280 rs6000_aix_emit_builtin_unwind_init.
3281 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
3282 rs6000_emit_eh_toc_restore on AIX.
3283 (return_eh_si): Use r2.
3284 (return_eh_di): Use r2.
3286 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
3287 since we're breaking binary compatibility anyway.
3289 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3291 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
3292 constant_pool_expr_p): Declare them.
3293 (constant_pool_expr_p): Declare it.
3294 * config/rs6000/rs6000.c (toc_label_name): Define.
3295 (rs6000_override_options): Set toc_label_name.
3296 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
3297 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
3298 uses_TOC): New functions.
3299 (print_operand): Delete old '*' case.
3300 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
3301 and strip off rtl for TOC before calling output_addr_const.
3302 (rs6000_emit_load_toc_table): Use toc_label_name.
3303 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
3305 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
3306 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
3307 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
3308 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
3309 into explicit TOC_REGISTER offsets.
3310 (TOC_REGISTER): New macro.
3311 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
3312 TARGET_TOC to reference TOC_REGISTER.
3313 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
3314 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
3315 uses_TOC before emitting label references.
3317 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3319 * rs6000.md (stack_tie): Fix warning.
3321 * eabi-ctors.c: Use 'asm' names for the start/end variables,
3322 to handle -fleading-underscore.
3323 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
3324 (USER_LABEL_PREFIX): New macro.
3325 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
3326 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
3327 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
3328 call-linux can use the same multilibs.
3329 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
3330 and call-linux multilibs. Do multilib with -fleading-underscore.
3331 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
3332 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
3335 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
3336 have MASK_SOFT_FLOAT set.
3337 (CPP_FLOAT_DEFAULT_SPEC): New macro.
3338 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
3339 CPP_FLOAT_DEFAULT_SPEC.
3341 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
3342 * rs6000.md: Whitespace change.
3343 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
3344 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
3346 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3348 * rs6000.md (eh_epilogue): New expander.
3349 (eh_reg_restore): New expand/split/insn combination.
3350 (return_eh_si): New insn.
3351 (return_eh_di): New insn.
3353 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
3354 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
3355 * eabi-ctors.c (__do_global_ctors): Register this object's
3356 frame. Clean up. Call atexit() after the constructors.
3357 (__do_global_dtors): Deregister this object's frame. Clean up.
3358 Allow for recursive calls to exit().
3359 * rs6000.c (fixuplabelno): New variable.
3360 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
3361 TARGET_RELOCATABLE, it slows down exec() under linux.
3362 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
3364 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
3365 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
3366 (ASM_OUTPUT_DWARF_DELTA2): New macro.
3367 (ASM_OUTPUT_DWARF_DELTA4): New macro.
3368 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
3369 (ASM_OUTPUT_DWARF_ADDR): New macro.
3370 (ASM_OUTPUT_DWARF_DATA4): New macro.
3371 (ASM_OUTPUT_DWARF_DATA2): New macro.
3372 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
3373 (ASM_OUTPUT_DWARF_OFFSET): New macro.
3374 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
3376 2000-02-03 Geoff Keating <geoffk@cygnus.com>
3378 * rs6000.c (rs6000_sr_alias_set): New variable.
3379 (rs6000_override_options): Initialise rs6000_sr_alias_set.
3380 (rs6000_emit_stack_tie): New function.
3381 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
3382 in a way that dwarf2out can understand.
3383 (rs6000_frame_related): New function.
3384 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
3385 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
3386 Use rs6000_emit_stack_tie when needed.
3387 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
3388 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
3389 * rs6000.md (stack_tie): New insn.
3390 (return_internal_si): Allow return value to be in the count
3392 (return_internal_di): Likewise.
3394 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
3396 2000-02-03 Geoff Keating <geoffk@cygnus.com>
3398 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
3400 2000-01-31 Geoff Keating <geoffk@cygnus.com>
3402 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
3404 * rs6000.md (stmw): Use the right POWER opcode.
3407 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3409 * rs6000-protos.h: New file.
3411 * rs6000.c: Include tm_p.h. Fix compile time warnings.
3413 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
3416 * sysv4.h: Likewise.
3418 2000-01-28 Geoff Keating <geoffk@cygnus.com>
3420 * ../../configure.in: Delete powerpcle-*-winnt*
3421 and powerpcle-*-pe|powerpcle-*-cygwin*.
3422 * ../../configure: Regenerated.
3424 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
3425 (TARGET_WINDOWS_NT): Delete.
3427 (CALL_NT_DLLIMPORT): Delete.
3428 Delete NT-specific code.
3429 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
3432 * nt-ci.asm: Delete.
3433 * nt-cn.asm: Delete.
3434 * ntstack.asm: Delete.
3436 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3438 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
3439 (ASM_FILE_START): Likewise.
3440 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3441 (ASM_OUTPUT_LABELREF): Likewise.
3442 (ASM_OUTPUT_SKIP): Likewise.
3443 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3444 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3445 (ASM_OUTPUT_CASE_LABEL): Likewise.
3446 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
3447 (ASM_OUTPUT_ASCII): Likewise.
3449 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
3451 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
3452 reload_toc_labelno for non-prologue TOC reloads. Also, don't
3453 increment rs6000_pic_labelno here.
3454 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
3455 and increment rs6000_pic_labelno here.
3457 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
3459 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
3460 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
3461 allocation knows (reg) is dead before the insn.
3463 2000-01-21 Geoff Keating <geoffk@cygnus.com>
3465 * rs6000.md (movsi_to_cr): Correct typo in output template.
3467 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
3469 * rs6000.c (rs6000_pic_labelno): Always define.
3470 (rs6000_pic_func_labelno): Delete.
3471 (lmw_operation): Check for a zero base register,
3472 which doesn't mean what we want.
3473 (stmw_operation): New function.
3474 (print_operand): Define new 'l' modifier.
3475 (rs6000_stack_info): We must save all 64 bits of the registers
3476 if TARGET_POWERPC64.
3477 (rs6000_output_load_toc_table): Delete.
3478 (rs6000_emit_load_toc_table): New function.
3479 (rs6000_allocate_stack_space): Delete.
3480 (rs6000_emit_allocate_stack): New function.
3481 (rs6000_emit_prologue): New function.
3482 (output_prolog): Use rs6000_emit_prologue.
3483 (rs6000_emit_epilogue): Change a few variable names to be
3484 more accurate. Restore all 64 bits of the registers if
3485 TARGET_POWERPC64. Only restore the FP registers which were used
3486 if they are being saved/restored one-at-a-time.
3487 (output_mi_thunk): Delete inefficient code generation.
3488 (output_function_profiler): Don't use rs6000_output_load_toc_table.
3489 * rs6000.h: Declare rs6000_emit_load_toc_table,
3490 rs6000_allocate_stack_space, stmw_operation. Don't declare
3491 rs6000_output_load_toc_table.
3492 * rs6000.md (elf_high): Allow register 0, but discourage it
3494 (elf_low): Support loading into register 0.
3495 (load_toc_aix_si): New pattern.
3496 (load_toc_aix_di): New pattern.
3497 (load_toc_v4_pic_si): New pattern.
3498 (load_toc_v4_pic_di): New pattern.
3499 (load_toc_v4_PIC_1): New pattern.
3500 (load_toc_v4_PIC_1b): New pattern.
3501 (load_toc_v4_PIC_2): New pattern.
3502 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
3503 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
3504 (prologue): New expander.
3505 (movesi_from_cr): New pattern.
3506 (stmw): New pattern.
3507 (save_fpregs_si): New pattern.
3508 (save_fpregs_di): New pattern.
3510 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3512 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
3517 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3519 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
3521 (movsi_got_internal): Likewise.
3522 (movsi_got_internal+1): Likewise.
3523 (set_sp): 'unspec 7' does a SImode clobber.
3525 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3527 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
3528 allocate a stack temporary.
3529 (floatsidf2_internal): Likewise.
3530 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
3532 (floatunssidf2): Don't use the fpmem "register", just
3533 allocate a stack temporary.
3534 (floatunssidf2_internal): Likewise.
3535 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
3537 (floatsidf2_loadaddr): Delete.
3538 (floatsidf2_store1): Delete.
3539 (floatsidf2_store2): Delete.
3540 (floatsidf2_load): Delete.
3541 (fix_truncdfsi2): Don't use the fpmem "register", just
3542 allocate a stack temporary.
3543 (fix_truncdfsi2_internal_si): Delete.
3544 (fix_truncdfsi2_internal_di): Delete.
3545 (fix_truncdfsi2_internal): New insn.
3546 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
3547 (fix_truncdfsi2_store): Delete.
3548 (fix_truncdfsi2_load): Delete.
3549 (fctiwz): Produce gen_fctiwz.
3551 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
3553 * eabi.h (INVOKE__main): Define.
3554 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
3556 (rs6000_emit_prologue): Likewise.
3557 * rs6000.h (struct rs6000_stack): Don't keep track of whether
3558 this is the main program.
3560 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3562 * rs6000.c (rs6000_va_arg): Delete some unused variables.
3564 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3566 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
3567 goes after the argument.
3569 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3571 * rs6000.md: Document 'unspec' values used.
3572 (epilogue): New expander.
3573 (movesi_to_cr_one): New expander.
3574 (movesi_to_cr and following): New pattern.
3576 (return_internal_si): New pattern.
3577 (return_internal_di): New pattern.
3578 (return_and_restore_fpregs_si): New pattern.
3579 (return_and_restore_fpregs_di): New pattern.
3580 * rs6000.h: Declare new functions.
3581 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
3582 rather than rs6000_calls_p.
3583 (rs6000_makes_calls): Delete.
3584 (lmw_operation): New function.
3585 (mtcrf_operation): New function.
3586 (rs6000_emit_epilogue): New function.
3587 (output_epilog): Call rs6000_emit_epilogue and final if
3588 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
3590 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3592 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
3593 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
3594 * aix.h (SUBTARGET_SWITCHES): Document switches.
3595 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
3596 sched-prolog and sched-epilog the same. Document all the
3598 (TARGET_OPTIONS): No longer allow -mdebug-.
3600 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3602 * rs6000.h (ASM_FILE_END): Move to aix.h.
3603 (EXTRA_SECTIONS): Move to aix.h.
3604 (READONLY_DATA_SECTION): Move to aix.h.
3605 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
3606 (SELECT_SECTION): Move to aix.h.
3607 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
3608 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
3609 (LINK_REGISTER_REGNUM): New definition.
3610 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
3611 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
3613 * sysv4.h: Delete the code between the inclusion of rs6000.h
3615 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
3616 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
3617 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
3618 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
3619 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
3620 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
3621 (fix_truncdfsi2_internal_di): New pattern.
3622 (fix_truncdfsi2_store): The second arg here is Pmode too.
3623 (fix_truncdfsi2_load): The second arg here is Pmode too.
3624 (tablejumpdi): Now that switch tables hold only SImode values,
3625 gcc needs to know how to add them to the pc which is DImode.
3626 * rs6000.c (rs6000_stack_info): Use symbolic name for
3627 LINK_REGISTER_REGNUM.
3628 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
3629 (output_toc): Delete unused variables s1 and s2.
3630 (output_ascii): Use fputs not fprintf on a variable string.
3632 2000-01-07 David Edelsohn <edelsohn@gnu.org>
3634 * rs6000.c (processor_target_table): Add power3 as alias for 630.
3635 * aix43.h: Revert Aug 2 change.
3636 (HAS_INIT_SECTION): Define, not visible yet.
3637 (LD_INIT_SWITCH): Define, not visible yet.
3638 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
3640 2000-01-04 Joel Sherrill (joel@OARcorp.com>
3642 * config/rs6000/rtems.h: Include config/rtems.h.
3644 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3646 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
3647 (SLOW_UNALIGNED_ACCESS): Define.
3648 (CASE_VECTOR_MODE): Always use 32-bit offsets.
3649 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
3650 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
3651 (toc_section): Likewise and .toc pseudo-op.
3652 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
3654 (TEXT_SECTION_ASM_OP): Likewise.
3655 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
3658 1999-12-17 Jakub Jelinek <jakub@redhat.com>
3660 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
3661 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
3664 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3666 * rs6000.h: Move more stuff from here...
3668 * sysv4.h: Cleanup accordingly.
3669 * netware.h: Likewise
3671 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3673 * rs6000.h: Continue cleanup.
3676 * netware.h: Likewise.
3678 * sysv4.h: Likewise.
3679 * win-nt.h: Likewise.
3681 * rs6000.h (TARGET_SWITCHES): Add descriptions.
3682 (TARGET_OPTIONS): Likewise.
3684 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
3685 (SUBTARGET_OPTIONS): Likewise.
3687 * rs6000.md: Fix compile time warnings.
3689 2000-01-04 Geoff Keating <geoffk@cygnus.com>
3691 vxworks patches from the Cygnus tree originally by
3692 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
3693 <vmakarov@cygnus.com>.
3694 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
3695 (ENDFILE_SPEC): Likewise.
3696 (LIB_VXWORKS_SPEC): New macro.
3697 (STARTFILE_VXWORKS_SPEC): New macro.
3698 (ENDFILE_VXWORKS_SPEC): New macro.
3699 (LINK_START_VXWORKS_SPEC): New macro.
3700 (LINK_OS_VXWORKS_SPEC): New macro.
3701 (CPP_OS_VXWORKS_SPEC): New macro.
3702 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
3703 * vxppc.h: Rewrite to use proper configuration method.
3704 * vxppcle.h: New file.
3705 * ../../configure.in: Add powerpcle-wrs-vxworks*.
3706 * ../../configure: Rebuilt.
3708 2000-01-04 Geoff Keating <geoffk@cygnus.com>
3710 Lots of changes to rs6000.h, sysv4.h, aix.h,
3711 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
3712 with the aim that rs6000.h is the first header
3713 included and the others override it.
3716 * x-aix41-gld: Remove.
3718 * x-aix41: Remove target-specific switches, and don't specify
3719 -Wl,-bbigtoc as we don't need it any more.
3720 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
3721 Use t-aix43 for AIX 4.3 and above.
3722 * ../../configure: Regenerated.
3724 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
3725 options, that don't do anything yet.
3726 (MASK_SCHED_PROLOG): New macro.
3727 (MASK_SCHED_EPILOG): New macro.
3728 (TARGET_SCHED_PROLOG): New macro.
3729 (TARGET_SCHED_EPILOG): New macro.
3731 2000-01-04 Geoff Keating <geoffk@cygnus.com>
3733 * rs6000.c: Correct comment, the `minimal' TOCs are actually
3734 one per translation unit, not one per function.
3735 (output_toc): Also do duplicate constant elimination
3736 for per-translation-unit TOCs.
3738 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
3739 a comment explaining _exactly_ when this pattern gets used.
3740 (builtin_setjmp_receiver): New pattern for better clarity.
3741 (init_v4_pic): Move it into a section dealing with TOC registers.
3743 1999-12-30 Geoff Keating <geoffk@cygnus.com>
3745 * rs6000.c (toc_hash_table): New variable.
3746 (rs6000_hash_constant): New function.
3747 (toc_hash_function): New function.
3748 (toc_hash_eq): New function.
3749 (toc_hash_mark_entry): New function.
3750 (toc_hash_mark_table): New function.
3751 (output_toc): Don't output duplicate TOC entries in
3753 (rs6000_add_gc_roots): Add the hash table as a GC root.
3754 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
3755 where they clearly shouldn't be. This may need to be fixed
3756 later when there is a GNU ar for AIX.
3757 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
3758 Don't define BOOT_LDFLAGS as it is now not necessary.
3760 1999-12-29 Geoff Keating <geoffk@cygnus.com>
3762 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
3763 for va_list on AIX. Use unsigned_char_type_node rather than
3764 constructing our own version on svr4.
3766 1999-12-17 Geoff Keating <geoffk@cygnus.com>
3768 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
3769 since patently it's not.
3771 1999-12-08 Geoff Keating <geoffk@cygnus.com>
3773 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
3774 define_expand/define_insn pair, and handle restore of the
3775 SVR4 -fpic register.
3777 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
3779 * acconfig.h (HAVE_GAS_WEAK): New define.
3780 * configure.in (assembler weak support): Check for .weak support.
3781 * config.in, configure: Rebuilt.
3782 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
3783 HAVE_GAS_WEAK is defined.
3785 2000-03-15 Nick Clifton <nickc@cygnus.com>
3787 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
3790 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
3792 * cppfiles.c (open_include_file): New function.
3793 (find_include_file, cpp_read_file): Use it.
3795 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
3797 * cpphash.c (dump_hash_helper): Take the slot, not the element.
3799 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
3801 * flow.c (verify_flow_info): Check for unconditional return.
3803 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
3805 * config/ia64/ia64.md (restore_stack_nonlocal): New.
3806 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
3807 (__ia64_restore_stack_nonlocal): New.
3808 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
3810 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3812 * cpphash.c (collect_formal_parameters): Do not complain about
3813 parameter names that just start with `__VA_ARGS__'.
3815 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
3817 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
3818 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
3819 * i386.c (pentiumpro_cost): Set mul cost to 4.
3820 (x86_use_movx): Set for PPro.
3822 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
3824 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
3825 STACK_BOUNDARY for empty frames now.
3827 2000-03-14 Mark Mitchell <mark@codesourcery.com>
3829 * stor-layout.c (layout_union): Remove.
3830 (layout_union_field): New function, split out from layout_union.
3831 (finish_union_layout): Likewise.
3832 (layout_field): Handle unions by calling layout_union_field.
3833 (finish_record_layout): Handle unions.
3834 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
3835 QUAL_UNION_TYPE handling.
3837 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
3839 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
3840 end of basic block is jump_insn, not barrier; use create_basic_block
3841 instead of creating basic block by hand.
3843 2000-03-14 Jason Eckhardt <jle@cygnus.com>
3845 * flow.c (reorder_basic_blocks): Account for barriers when writing
3846 over NEXT_INSN (last_bb->end).
3847 (verify_flow_info): Add check for missing barriers.
3849 2000-03-14 Greg McGary <gkm@gnu.org>
3851 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
3852 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
3853 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
3854 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
3855 __unbounded, __unbounded__): New keywords.
3856 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
3857 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
3858 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
3860 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
3862 * cselib.h: New file.
3863 * alias.c: Include "cselib.h".
3864 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
3865 MEMs as two new arguments.
3866 (get_addr): New static function.
3867 (find_base_term): Handle VALUEs.
3868 (memrefs_conflict_p): Likewise.
3869 (true_dependence): Call get_addr on the addresses.
3870 Call fixed_scalar_and_varying_struct_p with addresses that have been
3871 passed through get_addr and canon_rtx.
3872 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
3873 with true_dependence.
3874 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
3875 * loop.c: Include "cselib.h".
3876 (load_mems): Process extended basic block that enters the loop with
3877 cselib. Use that information to change initialization of the shadow
3878 register so that a constant equivalence is seen by later passes.
3879 * reload1.c: Include "cselib.h".
3880 (reload_cse_invalidate_regno): Delete function.
3881 (reload_cse_mem_conflict_p): Likewise.
3882 (reload_cse_invalidate_mem): Likewise.
3883 (reload_cse_invalidate_rtx): Likewise.
3884 (reload_cse_regno_equal_p): Likewise.
3885 (reload_cse_check_clobber): Likewise.
3886 (reload_cse_record_set): Likewise.
3887 (reg_values): Delete static variable.
3888 (invalidate_regno_rtx): Likewise.
3889 (reload_cse_delete_noop_set): New static function.
3890 (reload_cse_simplify): New static function, broken out of
3892 (reload_cse_noop_set_p): Delete unused argument INSN.
3893 Just call rtx_equal_for_cselib_p on set source and destination.
3894 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
3895 reload_cse_delete_noop_set. Delete code to keep track of values; use
3896 cselib functions instead. Delete code to push/pop obstacks.
3897 (reload_cse_simplify_set): Use cselib to find equivalent values.
3898 Delete code to push/pop obstacks.
3899 (reload_cse_simplify_operands): Likewise.
3900 * rtl.def (VALUE): New rtx code.
3901 * rtl.h (union rtunion_def): New elt rt_cselib.
3902 (X0CSELIB, CSELIB_VAL_PTR): New macros.
3903 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
3904 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
3905 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
3906 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
3907 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
3908 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
3909 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
3910 cselib_record_set, cselib_record_sets): New static functions.
3911 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
3912 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
3913 references_value_p): New functions.
3914 (MAX_USELESS_VALUES, REG_VALUES): New macros.
3915 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
3916 n_useless_values, reg_values, callmem, cselib_obstack,
3917 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
3918 New static variables.
3919 * varray.h (union varray_data_tag): New elt te.
3920 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
3921 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
3924 2000-03-14 Nick Clifton <nickc@cygnus.com>
3926 * gcc.c (do_spec_1): Catch the case where %* is used in a
3927 substitution pattern, but it has not been initialised.
3928 Issue a meaningful error message if an unrecognised operator
3929 is encountered in a spec string.
3931 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
3933 * function.c (prepare_function_start): Correctly initialize
3934 cfun->stack_alignment_needed.
3936 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
3938 * cppfiles.c (find_include_file): Don't assume nshort is a
3941 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
3943 * configure.in (hppa configurations): Add pa32-regs.h to the
3944 list of tm files as appropriate.
3945 * configure: Rebuilt.
3946 * pa.c (compute_frame_size): Remove explicit knowledge about FP
3948 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
3949 (fmpyaddoperands, fmpysuboperands): Likewise.
3950 * pa.h: Remove various definitions which depend on knowing
3951 how registers are numbered.
3952 * pa32-regs.h: New file with PA32 register numbering specific
3955 2000-03-14 Richard Henderson <rth@cygnus.com>
3957 * regmove.c (combine_stack_adjustments): New.
3958 (stack_memref_p, single_set_for_csa): New.
3959 (free_csa_memlist, record_one_stack_memref): New.
3960 (try_apply_stack_adjustment): New.
3961 (combine_stack_adjustments_for_block): New.
3962 * rtl.h (combine_stack_adjustments): Declare.
3963 * toplev.c (rest_of_compilation): Call it.
3965 * i386.md: Revert 2000-01-16 change.
3967 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3969 * gccbug.in: Add web category, gcc specific classes.
3971 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
3973 * stor-layout.c (finalize_record_size): Fix typo.
3975 2000-03-14 Stan Shebs <shebs@apple.com>
3977 * c-typeck.c (c_alignof): Error on incomplete types.
3978 * extend.texi (Alignment): Document this.
3980 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
3982 * cppfiles.c: Include mkdeps.h.
3983 (find_include_file, read_include_file): Remove _cpp_ prefix
3984 from name, make static.
3985 (_cpp_execute_include): New function, broken out of
3988 * cpplib.c: Don't include mkdeps.h.
3989 (struct directive): Remove type field. Reorder entries. The
3990 function takes only one argument.
3991 (struct if_stack): Make type field an int.
3992 (directive_table): Rename to dtable. Generate it, the
3993 prototypes of the directive handlers, and the enum for the
3994 directive numbers, from a template macro.
3995 (do_ifndef, do_include_next, do_import): New functions.
3996 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
3997 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
3998 do_ident, do_assert, do_unassert, do_sccs): Take only one
4000 (do_sccs): Define always, but alter behavior based on
4002 (_cpp_handle_directive, consider_directive_while_skipping):
4003 Restructure for new directive table layout.
4005 (pass_thru_directive): Take a directive number, not a pointer
4006 to a struct directive.
4007 (parse_include): New function, broken out of do_include.
4008 (do_include, do_import, do_include_next): Use parse_include
4009 and _cpp_execute_include.
4010 (do_elif, do_else): Test for T_ELSE specifically when checking
4011 for #elif/#else after #else.
4012 (parse_ifdef): New function, broken out of do_ifdef.
4013 (validate_else): Expect a name arg without a leading #.
4014 (if_directive_name): Delete.
4015 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
4016 directive handlers with only one argument.
4018 * cpphash.h: Update prototypes.
4019 (enum node_type): Remove entries for directives.
4020 * Makefile.in: Update dependencies.
4022 * cpphash.c (dump_hash_helper): Only dump nodes of type
4023 T_MACRO. Emit a newline after each definition.
4025 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4027 * gccbug.in: New file.
4028 * configure.in (all_outputs): Add gccbug.
4029 * Makefile.in (install-common): Install gccbug.
4030 (GCCBUG_INSTALL_NAME): New variable.
4031 * configure: Rebuilt.
4033 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
4035 * function.c (put_var_into_stack): Use type_for_mode to calculate
4036 part_type. Use MEM_SET_IN_STRUCT_P.
4037 * expr.c (store_field): Handle CONCAT.
4038 (store_constructor): Use fields_length.
4039 * tree.c (fields_length): New fn.
4040 * tree.h: Declare it.
4042 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4044 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
4045 (cpplex.o): New target.
4046 * po/POTFILES.in: Add cpplex.c.
4048 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
4049 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
4050 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
4051 skip_block_comment, skip_line_comment, skip_comment,
4052 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
4053 _cpp_parse_name, skip_string, parse_string,
4054 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
4055 _cpp_get_directive_token, find_position,
4056 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
4057 (maybe_macroexpand, _cpp_lex_token): New functions.
4059 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
4060 parse_goto_mark): Delete.
4061 (_cpp_handle_eof): New function.
4062 (_cpp_handle_directive): Rename from handle_directive.
4063 (_cpp_output_line_command): Rename from output_line_command.
4064 (do_if, do_elif): Call _cpp_parse_expr directly.
4065 * cppfiles.c (_cpp_read_include_file): Don't call
4066 init_input_buffer here.
4067 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
4068 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
4069 here; pop the token_buffer and skip the rest of the line here.
4070 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
4073 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
4075 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
4076 CPP_GOTO_MARK): New macros.
4077 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
4078 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
4079 _cpp_read_and_prescan, _cpp_init_input_buffer,
4080 _cpp_grow_token_buffer, _cpp_get_directive_token,
4081 _cpp_handle_directive, _cpp_handle_eof,
4082 _cpp_output_line_command): Prototype them here.
4083 * cpplib.h (enum cpp_token): Add CPP_MACRO.
4084 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
4085 quote_string, output_line_command): Remove.
4087 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
4089 * stmt.c (expand_end_case): RANGE may be signed, and when checking
4090 whether it is too large we must also verify that it isn't negative.
4092 2000-03-13 Jakub Jelinek <jakub@redhat.com>
4094 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
4095 (movsi_zero_liveg0): Remove.
4096 (movsf_insn_novis_liveg0): Remove.
4098 (negsi2_not_liveg0): Rename to negsi2.
4099 (one_cmplsi2): Remove.
4100 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
4101 (one_cmplsi2_liveg0): Remove.
4102 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
4103 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
4104 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
4105 (PREDICATE_CODES): Remove zero_operand.
4106 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
4107 TARGET_BROKEN_SAVERESTORE.
4108 (zero_operand): Remove.
4109 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
4110 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
4112 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4113 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
4114 TARGET_BROKEN_SAVERESTORE): Remove.
4115 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4117 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4119 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4122 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
4124 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4126 * cpplib.c (do_pragma_implementation): Fix off-by-one error
4127 truncating a string. Don't assume tokens are nul terminated.
4128 Problem noted by Andreas Jaeger <aj@suse.de>
4130 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
4132 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
4133 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
4134 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
4136 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
4138 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
4139 STRUCTURE_SIZE_BOUNDARY.
4141 2000-03-13 Mark Mitchell <mark@codesourcery.com>
4143 * tree.h (record_layout_info_s): New structure.
4144 (record_layout_info): New type.
4145 (new_record_layout_info): New function.
4146 (layout_field): Likewise.
4147 (finish_record_layout): Likewise.
4148 * stor-layout.c (layout_record): Remove.
4149 (new_record_layout_info): New function.
4150 (layout_field): New function, broken out from layout_record.
4151 (finalize_record_size): Likewise.
4152 (compute_record_mode): Likewise.
4153 (finalize_type_size): New function, broken out from layout_type.
4154 (finish_record_layout): Likewise.
4155 (layout_type): Use them.
4157 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
4159 * cpphash.c: Don't include version.h.
4160 (special_symbol) [case T_VERSION]: Look for the string in
4161 hp->value.cpval; don't use version_string.
4162 * cppinit.c (initialize_builtins): Set hp->value.cpval for
4163 __VERSION__ to version_string.
4164 * Makefile.in (cpphash.o): Update deps.
4166 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
4168 Convert cpplib to use libiberty/hashtab.c.
4170 * cpplib.h (struct cpp_reader): Make hashtab and
4171 all_include_files of type 'struct htab *'. Delete HASHSIZE
4172 and ALL_INCLUDE_HASHSIZE macros.
4174 * cpphash.h: Update prototypes.
4175 (struct hashnode): Remove next, prev, and bucket_hdr members.
4176 Make length a size_t. Add hash member.
4177 (struct ihash): Remove next member. Add hash member. Make
4178 name a flexible array member.
4180 * cppfiles.c: Include hashtab.h.
4181 (include_hash): Delete.
4182 (IHASHSIZE): New macro.
4183 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
4184 (cpp_included): Do the hash lookup here.
4185 (_cpp_find_include_file): Rewrite.
4186 (cpp_read_file): Put the "fake" hash entry into the hash
4187 table. Honor the control_macro, if it turns out we've seen
4188 the file before. Don't push the buffer here.
4189 (_cpp_read_include_file): Push the buffer here.
4190 (OMODES): New macro. Use it whenever we call open(2).
4192 * cpphash.c: Include hashtab.h.
4193 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
4194 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
4195 _cpp_lookup_slot): New functions.
4196 (HASHSIZE): new macro.
4197 (hashf, _cpp_install, _cpp_delete_macro): Delete.
4198 (_cpp_lookup): Use hashtab.h routines.
4200 * cppinit.c: Include hashtab.h.
4201 (cpp_reader_init): Call _cpp_init_macro_hash and
4202 _cpp_init_include_hash. Don't allocate hashtab directly.
4203 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
4204 pfile->all_include_files.
4205 (initialize_builtins): Use _cpp_make_hashnode and
4206 htab_find_slot to add hash entries.
4207 (cpp_finish): Just call _cpp_dump_macro_hash.
4208 * cpplib.c: Include hashtab.h.
4209 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
4210 create hash entries.
4211 (do_pragma_poison, do_assert): Likewise.
4212 (do_include): Don't push the buffer here. Don't increment
4213 system_include_depth unless _cpp_read_include_file succeeds.
4214 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
4216 (do_pragma_implementation): Use alloca to create copy.
4218 * Makefile.in: Update dependencies.
4220 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4222 * cppinit.c (cl_directive_handler): More K&R fixing.
4224 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
4226 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
4228 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
4230 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4232 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
4233 Change from char[] to macros.
4235 2000-03-12 Neil Booth <NeilB@earthling.net>
4237 * cppinit.c (cpp_start_read): Update indirect function
4240 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
4242 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
4245 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4246 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
4248 2000-03-11 Neil Booth <NeilB@earthling.net>
4250 * cppinit.c (struct pending option): Replace undef with a
4251 pointer to a directive handling routine.
4252 (struct cpp_pending): Replace separate assert_ and define_
4253 lists with one directive_ list.
4254 (new_pending_define): Rename new_pending_directive. Extra
4255 argument is the directive's handling routine.
4256 (handle_option): Update to use new_pending_directive.
4258 2000-03-11 Neil Booth <NeilB@earthling.net>
4260 * cppfiles.c (file_cleanup, _cpp_find_include_file,
4261 remap_filename, _cpp_read_include_file, actual_directory,
4262 hack_vms_include_specification): Replace bcopy(), index() etc
4263 calls. Add casts to some allocations. Make some variables
4264 pointers to const [unsigned] char.
4265 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
4266 collect_formal_parameters): Similarly.
4267 * cppinit.c (struct pending_option, append_include_chain,
4268 cpp_options_init, cpp_reader_init, initialize_standard_includes,
4269 cpp_start_read, new_pending_define, handle_option): Similarly.
4270 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
4271 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
4272 do_pragma_implementation, detect_if_not_defined,
4273 do_ifdef, skip_if_group, cpp_get_token, parse_string,
4274 do_assert, do_unassert): Similarly.
4275 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
4276 function prototypes.
4277 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
4279 2000-03-10 Richard Henderson <rth@cygnus.com>
4281 * builtins.c (expand_builtin_strlen): Revert last change.
4282 Use emit_insn_before if we're at the beginning of a sequence.
4284 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
4286 * builtins.c (expand_builtin_strlen): Make sure that we have something
4287 at the beginning of the sequence.
4289 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
4292 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
4294 2000-03-10 Richard Henderson <rth@cygnus.com>
4296 * except.c (can_throw): Use INTVAL on a CONST_INT.
4297 (reachable_handlers): Likewise.
4298 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
4300 2000-03-10 Andreas Jaeger <aj@suse.de>
4302 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
4303 MD_STARTFILE_PREFIX since those are not needed on linux.
4304 (ASM_FILE_START): New, from mips/gnu.h.
4306 2000-03-09 Richard Henderson <rth@cygnus.com>
4307 Alex Samuel <samuel@codesourcery.com> and others
4309 * Makefile.in (ssa.o): New rule.
4311 (STAGESTUFF): Add *.ssa and *.ussa.
4312 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
4313 * rtl.def (PHI): New RTL expression.
4314 * rtl.h (clear_log_links): New declaration.
4315 (convert_to_ssa): Likewise.
4316 (convert_from_ssa): Likewise.
4317 * flow.c (split_edge): If the entry node falls through to the
4318 split edge's source block, split the entry edge.
4319 (clear_log_links): New function.
4320 * toplev.c (ssa_dump): New variable.
4321 (flag_ssa): Likewise.
4322 (f_options): Add "ssa".
4323 (compile_file): Create SSA dump files.
4324 (rest_of_compilation): Go to and from SSA if enabled.
4325 (decide_d_option): Handle -de for SSA dump files.
4328 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
4330 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
4333 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
4335 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
4337 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
4339 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
4340 (MD_STARTFILE_PREFIX_1): New macro.
4342 2000-03-09 Robert Lipe <robertl@sco.com>
4344 * config/ia64/ia64.c: Include system.h.
4346 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
4348 * except.c (nothrow_function_p): If -fno-exceptions, just return.
4349 (init_eh_nesting_info): Likewise.
4351 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
4352 (TREE_NOTHROW): Rename from TREE_RAISES.
4353 * toplev.c (rest_of_compilation): Set it.
4354 * print-tree.c (print_node): Adjust.
4355 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
4356 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
4357 * calls.c (emit_call_1): Add 'nothrow' parm. Add
4358 REG_EH_REGION note as appropriate.
4359 (libfunc_nothrow): New fn.
4360 (emit_library_call, emit_library_call_value): Use it.
4361 (expand_call): Check TREE_NOTHROW.
4363 * varasm.c (make_decl_rtl): Skip initial '*' when setting
4364 DECL_ASSEMBLER_NAME.
4366 2000-03-09 Andreas Jaeger <aj@suse.de>
4368 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
4369 (TARGET_MEM_FUNCTIONS): Define.
4371 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
4373 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
4375 * except.c (can_throw): See through a SEQUENCE.
4376 (nothrow_function_p): New fn.
4377 * except.h: Declare it.
4378 * function.c (current_function_nothrow): New var.
4379 (prepare_function_start): Initialize it.
4380 * output.h: Declare it.
4381 * toplev.c (rest_of_compilation): Set it.
4382 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
4384 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
4386 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
4387 match. (cpp_compare_defs): Count the nul separator when
4388 advancing over argument names.
4390 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
4392 * recog.c (preprocess_constraints): Matching constraints affect
4393 same alternative/different operand, not same operand/different
4396 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
4397 register and a constant specially.
4399 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4401 * libgcc2.h: New file.
4402 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
4404 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
4406 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
4407 * configure: Regenerate.
4410 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
4412 * Makefile.in (LIBCPP_DEPS): New macro.
4413 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
4415 * cpperror.c: Include cpphash.h.
4416 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
4418 (lex): Don't use CPP_WARN_UNDEF.
4419 (_cpp_parse_expr): Return an int, the truth value.
4420 * cppfiles.c: Include cpphash.h.
4421 (_cpp_merge_include_chains): Move to cppinit.c and make static.
4422 * cppinit.c (include_defaults_array): Disentangle.
4423 (cpp_cleanup): Don't free the if stack here.
4424 (cpp_finish): Pop off all buffers, not just one.
4425 * cpplib.c (eval_if_expr): Return int.
4426 (do_xifdef): Rename do_ifdef.
4427 (handle_directive): Don't use CPP_PREPROCESSED.
4428 (cpp_get_token): Don't use CPP_C89.
4429 * fix-header.c: Don't use CPP_OPTIONS.
4431 * cpplib.h: Move U_CHAR, enum node_type, struct
4432 file_name_list, struct ihash, is_idchar, is_idstart,
4433 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
4434 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
4435 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
4436 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
4437 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
4438 of _cpp_simplify_pathname, _cpp_find_include_file,
4439 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
4440 Move struct if_stack to cpplib.c. Move struct cpp_pending to
4442 Change all uses of U_CHAR to be unsigned char instead.
4443 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
4445 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
4447 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
4448 (dwarf2out_begin_prologue): Set it.
4449 (output_call_frame_info): Don't emit EH unwind info for leaves.
4451 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
4452 can occur outside of an EH region.
4453 * except.c: Correct comments about rethrow behavior.
4454 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
4456 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
4458 * flow.c (make_edges): Always call make_eh_edge for calls.
4460 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
4462 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
4463 (struct cpp_buffer): Remove fname and underflow fields.
4464 (struct cpp_reader): Remove get_token field.
4465 (struct include_hash): Rename to struct ihash. Add typedef to
4467 (struct if_stack): Remove fname field.
4468 (IF_STACK_FRAME): Rename to IF_STACK.
4470 * cpperror.c (print_containing_files): Trust that there are no
4471 macro buffers below the top file buffer.
4472 * cppfiles.c: Replace all references to 'struct include_hash'
4473 with 'IHASH'. Rename initialize_input_buffer to
4474 init_input_buffer. Don't set or reference cpp_buffer->fname,
4475 use buffer->ihash->name instead.
4476 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
4477 not CPP_NULL_BUFFER.
4478 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
4479 IF_STACK_FRAME, IHASH not struct include_hash.
4480 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
4481 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
4482 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
4483 references to cpp_buffer->fname (delete entirely, or use
4484 ->ihash->name instead) and IF_STACK->fname.
4485 (cpp_push_buffer): Don't set new->underflow.
4486 (do_include): Use cpp_file_buffer.
4488 * cpphash.c (collect_formal_parameters): Remove duplicate
4489 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
4490 used as a macro argument name. Don't append "..." to namebuf
4491 for varargs macros. After we're done scanning, go through
4492 namebuf and make it NUL separated, not comma separated.
4493 (_cpp_compare_defs): Remove register tag from variables.
4494 Expect defn->argnames to be NUL separated.
4495 (_cpp_dump_definition): Expect defn->argnames to be NUL
4496 separated and in forward order.
4497 * cpphash.h: Update documentation of argnames field.
4499 2000-03-08 Richard Henderson <rth@cygnus.com>
4501 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
4502 to fail. Don't pre-expand the source operand.
4504 * i386.md (strlensi): Initialize eoschar and align before use.
4506 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
4508 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
4509 CONSTRUCTOR element.
4511 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
4513 * mips.c (mips_expand_prologue): If the last
4514 named argument is the vararg marker "va_list", treat it as
4515 an unnamed argument.
4517 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
4519 * dbxout.c (dbxout_parms): When correcting for promoted
4520 big-endian parameters, use the mode of the DECL_RTL rather
4521 than UNITS_PER_WORD.
4523 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
4525 * c-common.h (make_fname_decl): Declare.
4526 * c-common.c (make_fname_decl): Define.
4527 (declare_hidden_char_array): Remove.
4528 (declare_function_name): Use make_fname_decl.
4529 * c-decl.c (c_make_fname_decl): New function.
4530 (init_decl_processing): Set make_fname_decl.
4532 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
4534 * cccp.c (handle_directive): Initialize backslash_newlines_p.
4536 2000-03-07 Philipp Thomas <pthomas@suse.de>
4538 * po/POTFILES.in: Remove cppalloc.c from file list.
4540 2000-03-07 Steve Chamberlain <sac@pobox.com>
4542 * pj.c (pj_expand_prologue): current_function->args_info is
4543 now current_function_args_info.
4545 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
4546 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
4547 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
4549 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4551 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
4552 output as hexadecimal rather than the default octal.
4554 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
4556 * cpphash.c (special_symbol): Fix thinko in previous commit.
4558 2000-03-07 Neil Booth <NeilB@earthling.net>
4560 * cppexp.c (struct operation, left_shift, right_shift,
4561 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
4562 "int"s to "unsigned int"s.
4563 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
4565 * cpplib.h: Update for above.
4566 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
4567 returned from allocations.
4569 * cppinit.c (opt_comp, parse_options): New functions.
4570 (handle_option): Use parse_option to parse a single command
4571 line option, that possibly takes an argument.
4572 (cpp_handle_options): Sort the array of command line options on
4573 first invocation (non-ASCII hosts only).
4574 (print_help): Update.
4576 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
4578 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
4579 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
4581 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
4583 * cppinit.c (cpp_cleanup): Free imp->nshort also.
4585 * cpperror.c (cpp_print_containing_files,
4586 cpp_print_file_and_line, v_cpp_message): Rename to
4587 print_containing_files, print_file_and_line, and v_message.
4588 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
4589 to _cpp_parse_expr, parse_escape, and lex.
4590 (parse_charconst): Remove broken multibyte support.
4591 * cppfiles.c (include_hash): Make static.
4592 (cpp_included): New function.
4593 (merge_include_chains, find_include_file, finclude,
4594 simplify_pathname): Rename to _cpp_merge_include_chains,
4595 _cpp_find_include_file, _cpp_read_include_file, and
4596 _cpp_simplify_pathname.
4597 * cpphash.c (cpp_lookup, free_definition, delete_macro,
4598 cpp_install, create_definition, macroexpand, compare_defs,
4599 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
4600 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
4601 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
4602 * cppinit.c (cpp_handle_option): Rename to handle_option, make
4604 * cpplib.c: Remove extern prototype of cpp_parse_expr.
4606 * cpphash.h: Update prototypes.
4607 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
4609 2000-03-07 Andrew Haley <aph@cygnus.com>
4611 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
4612 PTRDIFF_TYPE should be based solely on Pmode.
4615 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4617 * rtl.h (rtunion_def): Constify member `rtstr'.
4618 (emit_line_note_after, emit_line_note, emit_line_note_force,
4619 emit_note, decode_asm_operands): Constify.
4621 * cse.c (canon_hash): Likewise.
4623 * dbxout.c (dbxout_block): Likewise.
4625 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
4626 v_warning_for_asm): Likewise.
4628 * dwarfout.c (function_start_label): Likewise.
4630 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
4631 emit_line_note_force): Likewise.
4633 * final.c (last_filename, asm_insn_count, final_scan_insn,
4634 output_source_line): Likewise.
4636 * function.h (struct emit_status): Likewise.
4638 * gcse.c (hash_expr_1): Likewise.
4640 * genattr.c (gen_attr, main): Likewise.
4642 * genattrtab.c (struct function_unit, current_alternative_string,
4643 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
4644 attr_numeral, check_attr_test, check_attr_value,
4645 convert_set_attr_alternative, convert_set_attr,
4646 compute_alternative_mask, simplify_by_exploding, gen_attr,
4647 gen_unit): Likewise.
4649 * genflags.c (gen_insn): Likewise.
4651 * gengenrtl.c (type_from_format): Likewise.
4653 * genopinit.c (gen_insn): Likewise.
4655 * genoutput.c (n_occurrences, process_template, process_template):
4658 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
4661 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
4664 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
4665 ggc_set_mark, ggc_get_size): Likewise.
4667 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
4669 * optabs.c (init_one_libfunc): Likewise.
4671 * output.h (assemble_start_function): Likewise.
4673 * recog.c (decode_asm_operands): Likewise.
4675 * toplev.c (rest_of_compilation): Likewise.
4677 * tree.h (emit_line_note_after, emit_line_note,
4678 emit_line_note_force): Likewise.
4680 * varasm.c (asm_output_bss, asm_output_aligned_bss,
4681 asm_emit_uninitialised, assemble_start_function,
4682 assemble_variable, const_hash, compare_constant_1,
4683 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
4685 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
4687 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
4689 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
4691 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
4693 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
4694 arm_dllimport_name_p): Likewise.
4696 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
4699 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
4701 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4703 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
4704 arm_mark_dllexport, arm_mark_dllimport,
4705 arm_pe_encode_section_info): Likewise.
4707 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
4708 ASM_FINISH_DECLARE_OBJECT): Likewise.
4710 * arm/thumb.c (thumb_function_prologue): Likewise.
4712 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
4714 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4716 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
4718 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
4720 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
4722 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4724 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
4725 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
4727 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
4729 * i386/i386.c (asm_output_function_prefix): Likewise.
4731 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
4733 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4735 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
4737 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
4738 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
4739 ASM_OUTPUT_SECTION_NAME): Likewise.
4741 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
4743 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
4745 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
4747 * m32r/m32r.c (m32r_encode_section_info): Likewise.
4749 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4751 * mcore/mcore.c (mcore_encode_section_info): Likewise.
4753 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4755 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4757 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4759 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
4761 * mips/mips.md (movdi, movsi): Likewise.
4763 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4765 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4767 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4769 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
4770 ASM_OUTPUT_ASCII): Likewise.
4772 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
4773 output_mi_thunk, output_toc): Likewise.
4775 * rs6000/rs6000.md (movsi): Likewise.
4777 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
4779 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
4781 * v850/v850.c (print_operand, print_operand_address,
4782 v850_encode_data_area): Likewise.
4784 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
4786 * config/mips/mips.md (zero_extendsidi2): Always force operand
4787 one to memory for mips16.
4789 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4791 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
4792 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
4793 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
4794 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
4795 (min_precision): Result is unsigned.
4796 (add_double, neg_double, mul_double): Low word is unsigned.
4797 (lshift_double, rshift_double, lrotate_double): Likewise.
4798 (rrotate_double, div_and_round_double): Likewise.
4799 (tree_floor_log2, compare_tree_int): New functions.
4800 (preserve_rtl_expr_temps): New declaration.
4801 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
4802 (decl_attributes): Use tree_log2 to find alignment.
4803 Check for TREE_INT_CST_HIGH for format args.
4804 (min_precision): Now unsigned.
4805 Use tree_floor_log2.
4806 (truthvalue_conversion): Delete long-disabled code.
4807 * c-decl.c (finish_struct): Clean up tests on field width.
4808 (finish_function): Use compare_tree_int.
4809 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
4810 * c-typeck.c (comptypes): Use tree_int_cst_equal.
4811 (default_conversion, digest_init): Use compare_tree_int.
4812 (build_binary_op): Use integer_all_onesp and compare_tree_int.
4813 Fix type errors in forming masks.
4814 * calls.c (initialize_argument_information): Use compare_tree_int.
4815 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
4816 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
4817 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
4818 (store_field): Use compare_tree_int.
4819 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
4820 (expand_expr, case ARRAY_REF): Use compare_tree_int.
4821 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
4822 (do_store_flag): Use compare_tree_int.
4823 * fold-const.c (encode, decode): Low part is always unsigned.
4824 (force_fit_type, add_double, neg_double, mul_double): Likewise.
4825 (lshift_double, rshift_double, lrotate_double): Likewise.
4826 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
4827 (fold_convert): Use compare_tree_int.
4828 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
4829 (invert_truthvalue, case INTEGER_CST): Likewise.
4830 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
4831 * mkdeps.c (deps_dummy_targets): Make I unsigned.
4832 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
4833 (lshift_double, rshift_double, lrotate_double, rrotate_double):
4835 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
4836 (expand_end_case): Use compare_tree_int.
4837 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
4838 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
4839 (layout_decl): Likewise.
4840 (layout_record, layout_union): Make sizes unsigned.
4841 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
4842 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
4843 * tree.c (struct type_hash): hashcode is unsigned.
4844 (build_type_attribute_variant, type_hash_list): Likewise.
4845 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
4846 (attribute_hash_list, build_array_type, build_method_type): Likewise.
4847 (build_complex_type): Likewise.
4848 (real_value_from_int_cst): Remove unneeded casts.
4849 (integer_all_onesp): Add casts.
4850 (tree_floor_log2, compare_tree_int): New functions.
4851 (build_index_type): Use tree_int_cst_sgn.
4852 * varasm.c (assemble_variable): Use compare_tree_int.
4854 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
4856 * cpphash.c (collect_expansion): Also catch ## at start of macro.
4858 * varasm.c (make_decl_rtl): Don't add a number to members of
4860 (make_function_rtl): Likewise.
4862 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4864 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
4865 patch from 2000-01-28.
4867 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
4869 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
4870 filled with an insn from the jump target.
4872 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4874 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
4875 (c4x_external_ref): Likewise.
4876 * config/c4x/c4x.c (struct name_list): Likewise.
4878 1999-12-16 Ben Collins <bcollins@debian.org>
4880 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
4881 argument to genmultilib.
4882 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
4883 the contents into the multilib.h header.
4884 * gcc.c: Declare multilib_exclusions for the specs file.
4885 (set_multilib_dir): Use it.
4886 (print_multilib_info): Likewise.
4887 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
4888 to pass to genmultilib.
4890 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4892 * builtins.c (built_in_class_names, built_in_names): Constify a
4895 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
4897 (_mcleanup): Ensure value matches format specifier in sprintf.
4899 * cpphash.c (special_symbol): Don't needlessly cast away
4902 * cppinit.c (base_name): Delete unused prototype.
4904 * mkdeps.c (deps_init): Make definition K&R safe.
4906 * tree.h (built_in_class_names, built_in_names): Constify a
4909 2000-03-06 Jakub Jelinek <jakub@redhat.com>
4911 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
4912 floating point instructions for epilogue delay.
4914 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
4915 to gas if it supports .register pseudo.
4917 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
4918 LONG_DOUBLE_TYPE_SIZE if not defined.
4919 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
4920 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
4922 * gengenrtl.c: Likewise.
4923 * print-rtl.c: Likewise.
4925 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
4926 MASK_LONG_DOUBLE_128.
4927 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
4928 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
4929 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
4930 (SUBTARGET_SWITCHES): Define.
4931 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
4932 with -mlong-double-128.
4933 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
4934 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
4935 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
4936 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
4937 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
4938 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
4939 with -mlong-double-128.
4940 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
4941 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
4942 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
4943 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
4944 TARGET_LONG_DOUBLE_128): Define.
4945 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
4946 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
4947 long double on TARGET_ARCH64.
4949 2000-03-06 Mark Mitchell <mark@codesourcery.com>
4951 * function.c (free_temps_for_rtl_expr): Don't free slots
4952 that have been pushed into a higher level.
4955 2000-03-05 Mark Mitchell <mark@codesourcery.com>
4957 2000-03-05 Mark Mitchell <mark@codesourcery.com>
4959 * basic-block.h (ALLOCA_REG_SET): Remove.
4960 (INITIALIZE_REG_SET): New macro.
4961 * flow.c (update_life_info): Use it.
4962 (calculate_global_regs_live): Likewise.
4963 (propagate_block): Likewise.
4964 * global.c (build_insn_chain): Likewise.
4965 * haifa-sched.c (schedule_region): Likewise.
4967 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
4969 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
4970 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
4971 (DWARF_ARANGES_PAD_SIZE): New define.
4972 (output_aranges): Use it to pad the address range header.
4973 (DWARF_ROUND): Fix for non power of 2 rounding.
4975 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
4977 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
4979 2000-03-05 Mark Mitchell <mark@codesourcery.com>
4981 * tree.def (RTL_EXPR): Update documentation.
4982 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
4983 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
4984 * function.c (preserve_rtl_expr_temp): New function.
4985 (preserve_rtl_expr_temps): Likewise.
4986 (preserve_rtl_expr_result): Use it.
4989 2000-03-04 Mark Mitchell <mark@codesourcery.com>
4991 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
4993 * regmove.c (copy_src_to_dest) Do not create src->dest move
4994 for unchanging destination.
4996 2000-03-04 Mark Mitchell <mark@codesourcery.com>
4998 * function.h (struct sequence_stack): Remove rtl_expr.
4999 (struct emit_staus): Likewise.
5000 (seq_rtl_expr): Remove.
5001 * tree.h (free_temps_for_rtl_expr): Don't declare.
5002 (start_sequence_for_rtl_expr): Likewise.
5003 * rtl.h (preserve_rtl_expr_result): Likewise.
5004 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
5005 (start_sequence_for_rtl_expr): Remove.
5006 (push_topmost_sequence): Don't save sequence_rtl_expr.
5007 (pop_topmost_sequence): Remove comment about not restoring it.
5008 (end_sequence): Don't set seq_rtl_expr.
5009 (init_emit): Don't initialize it.
5010 (mark_sequence_stack): Don't mark it.
5011 (mark_emit_status): Likewise.
5012 * except.c (protect_with_terminate): Use
5013 start_sequence_for_rtl_expr, not start_sequence.
5014 * expr.c (expand_expr, case RTL_EXPR): Don't call
5015 preserve_rtl_expr_result or free_temps_for_rtl_expr.
5016 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
5017 (preserve_rtl_expr_result): Remove.
5018 (free_temps_for_rtl_expr): Likewise.
5019 (pop_temp_slots): Likewise.
5020 (mark_temp_slot): Don't mark the rtl_expr.
5021 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
5022 start_sequence_for_rtl_expr.
5024 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
5026 * mkdeps.c, mkdeps.h: New files.
5027 * po/POTFILES.in: Add them.
5028 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
5029 (cpplib.o, cppinit.o): Depend on mkdeps.h.
5030 (mkdeps.o): New target.
5032 * cppfiles.c: Delete deps_output.
5033 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
5034 OBJECT_SUFFIX, and base_name.
5035 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
5037 (initialize_dependency_output): Use deps_init,
5038 deps_add_target, deps_calc_target, and deps_add_dep. Remove
5039 all the unnecessary string bashing.
5040 (cpp_finish): Use deps_write. Remove an unnecessary nesting
5042 * cpplib.c (do_include): Use deps_add_dep.
5043 * cpplib.h (struct cpp_reader): Replace deps_buffer,
5044 deps_allocated_size, deps_size, deps_column members with
5045 single pointer to a struct deps. Delete prototype of
5048 * cppinit.c: Fix thinko in previous patch.
5050 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5052 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
5053 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
5054 (mode_for_size_tree): New function.
5055 (layout_decl, layout_type): Call it and clean up BLKmode checks.
5056 * tree.h (mode_for_size_tree): New declaration.
5058 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
5060 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
5062 * stmt.c (is_body_block): Move...
5063 * dwarfout.c, dwarf2out.c: ...from here.
5064 * tree.h: Declare it.
5065 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
5066 * final.c (final_start_function): Do call remove_unnecessary_notes
5069 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
5071 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
5073 * cpplib.h (_dollar_ok): New macro.
5074 (is_idchar, is_idstart): Use it.
5075 (IStable): Rename to _cpp_IStable. Declare it const if
5076 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
5077 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
5078 is_space): Update for renamed IStable.
5080 * cppinit.c: Delete all references to FAKE_CONST and CAT
5081 macros. Define init_IStable as empty macro if gcc >=2.7 or
5082 C99. Change TABLE() to ISTABLE and hardcode name of table.
5083 (cpp_start_read): Don't change the IStable based on
5086 * cpphash.c (unsafe_chars): Add pfile argument. All callers
5087 changed. Handle '$' for char1 correctly.
5088 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
5090 * cppexp.c (tokentab2): Make const.
5091 (cpp_lex): Make toktab const.
5092 * cppinit.c (include_defaults_array): Make const.
5093 (initialize_standard_includes): Make default_include const.
5095 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
5097 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
5098 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
5099 (gen_decl_die): Likewise.
5100 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
5101 (output_decl): Likewise.
5103 * varasm.c (make_function_rtl): If we change the name used in the
5104 rtl, update DECL_ASSEMBLER_NAME accordingly.
5105 (make_decl_rtl): Likewise.
5107 * toplev.c (rest_of_compilation): Tweak formatting.
5109 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
5110 remove_unnecessary_notes.
5111 (debug_ignore_block): New fn.
5112 * toplev.h: Declare it.
5113 * emit-rtl.c (remove_unncessary_notes): Call it.
5114 * dwarf2out.c (dwarf2out_ignore_block): New fn.
5115 * dwarf2out.h: Declare it.
5116 * final.c (final_start_function): Don't call remove_unnecessary_notes
5117 if we did insn scheduling.
5119 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
5121 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
5122 * cpplib.h: Delete SET_CPP_PEDANTIC.
5124 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5126 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
5127 result is a RECORD_TYPE.
5129 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
5131 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
5133 2000-03-03 Richard Henderson <rth@cygnus.com>
5135 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
5136 addition over compliments over shifts.
5138 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5140 * reload1.c (reload_combine_note_use): Handle return register USEs.
5141 REG case: Handle multi-hard-register hard regs.
5143 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5145 * md.texi: Document use of '*' in insn pattern name.
5147 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
5149 * calls.c (special_function_p): operator new may not be malloc-like.
5151 * gcse.c (dump_hash_table): Really fix error in last change.
5153 2000-03-02 Denis Chertykov <denisc@overta.ru>
5155 * avr.c (print_operand): Use print_operand_address instead of
5157 * avr/libgcc.S: Cleanup code.
5159 2000-03-02 Richard Henderson <rth@cygnus.com>
5161 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
5163 2000-03-02 Mark Mitchell <mark@codesourcery.com>
5165 * tree.h (TYPE_ALIGN_UNIT): New macro.
5167 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
5169 * i386.c: (constant_call_address_operand): Reject CONST_INT.
5171 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
5173 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
5175 (SET_CPP_PEDANTIC): New macro.
5176 * cpplib.c (do_include): Don't bother checking system_header_p.
5177 (do_warning, do_ident, do_assert, do_unassert): Likewise.
5178 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
5180 * function.h (struct expr_status): Add x_arg_space_so_far.
5181 (arg_space_so_far): New macro.
5182 * expr.c (init_expr): Initialize it.
5183 * calls.c (emit_call_1): Reset it.
5184 (compute_argument_block_size, expand_call): Use it.
5185 (expand_call, store_one_arg): Increment it.
5187 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5189 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
5192 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
5194 * cppfiles.c (cpp_read_file): New function.
5196 * cpphash.c (collect_expansion): Make sure to reset last_token
5197 to NORM when we hit a string. Handle trailing whitespace
5198 properly when the expansion is empty.
5199 (create_definition): Disable line commands while parsing the
5201 (dump_definition): If pfile->lineno == 0, output a line
5202 command ahead of the dump, and add a trailing newline.
5204 * cppinit.c (append_include_chain): Add fifth argument, which
5205 indicates whether or not system headers are C++ aware.
5206 (initialize_standard_includes): New function,
5207 broken out of read_and_prescan. Pass 'cxx_aware' value from
5208 the include_defaults_array on to append_include_chain.
5209 (dump_special_to_buffer): Const-ify char array.
5210 (builtin_array): Don't dump __BASE_FILE__.
5211 (cpp_start_read): Use cpp_read_file. Reorder code for
5212 clarity. Don't output line commands here for -D/-A/-U
5213 switches. Don't call deps_output for files included with
5214 -include or -imacros.
5216 * cpplib.c (do_define): Don't pay any attention to the second
5218 (cpp_expand_to_buffer): Disable line commands while scanning.
5219 (output_line_command): Work in the file buffer.
5220 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
5221 Fix formatting of comments. Prototype cpp_read_file.
5223 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5225 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
5226 reference the language-equivalent of sizetype.
5227 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
5228 * fold-const.c (size_binop, size_diffop): Put back checks.
5229 * gcse.c (dump_hash_table): Fix minor error in last change.
5230 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
5231 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
5234 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
5236 * calls.c (expand_call) Do not attempt to combine stack adjustments
5237 with inhibit_defer_pop set.
5239 2000-03-01 Mark Mitchell <mark@codesourcery.com>
5241 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
5242 the DECL_SIZE for a FIELD_DECL.
5244 2000-03-01 Bruce Korb <bkorb@gnu.org>
5246 * fixinc/inclhack.tpl: remove unused symlinks
5247 * fixinc/README: GCC Maintainer info
5248 * fixinc/inclhack.sh: regen
5249 * fixinc/fixincl.sh: regen
5251 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
5253 * cpphash.c (collect_expansion): Trim trailing white space
5254 from macro definitions, but don't go past the last insertion
5257 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
5259 * i386.md (mulqi3): New pattern.
5261 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
5263 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
5265 (struct cpp_reader): Add parsing_if_directive and
5266 parsing_define_directive flags.
5267 (struct cpp_options): Remove output_conditionals flag.
5268 (check_macro_name): Delete prototype.
5270 * cpphash.h (struct macrodef): Delete.
5271 (struct reflist): Separate from struct definition.
5272 (struct definition): Remove unused fields. Add column number.
5273 (create_definition): Returns a DEFINITION *. Takes a
5274 cpp_reader * and an int.
5276 * cpphash.c (SKIP_WHITE_SPACE): Delete.
5277 (PEEKC): Copy defn from cpplib.c.
5278 (rest_extension, REST_EXTENSION_LENGTH): Delete.
5280 (struct arglist): Simplify.
5281 (collect_expansion): Rewrite. Get tokens by calling
5282 cpp_get_token. Add more error checking.
5283 (collect_formal_parameters): New function, broken out of
5284 create_definition and reworked to use get_directive_token.
5285 (create_definition): All real work is now in collect_expansion
5286 and collect_formal_parameters. do_define handles finding the
5287 macro name. Return a DEFINITION, not a MACRODEF.
5288 (macroexpand): Replace bcopy with memcpy throughout. Replace
5289 character-at-a-time copy loop with memcpy and pointer increments.
5290 (compare-defs): d1->argnames / d2->argnames might be null.
5292 * cpplib.c (copy_rest_of_line): Delete function.
5293 (skip_rest_of_line): Do all the work ourselves.
5294 (skip_string): New function.
5295 (parse_string): Use skip_string.
5296 (get_macro_name): New function.
5297 (check_macro_name): Delete.
5298 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
5299 (cpp_skip_hspace): Use CPP_BUMP_LINE.
5300 (handle_directive): ICE if we're called on a macro buffer.
5301 (do_define): Determine macro name and type (funlike/objlike)
5302 here. Expunge all uses of MACRODEF.
5303 (cpp_push_buffer): Set line_base to NULL.
5304 (do_undef, read_line_number): Don't worry about getting a POP token.
5305 (eval_if_expression): Set/reset parsing_if_directive around
5306 cpp_parse_expr. Don't clear only_seen_white.
5307 (skip_if_group): Remove output_conditionals logic. Use
5309 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
5310 tokens under appropriate conditions.
5311 (cpp_unassert): Call do_unassert not do_assert. Oops.
5313 * cppexp.c (parse_defined): New function, break out of
5315 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
5316 ourselves, with cpp_defined.
5317 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
5319 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
5320 * gcc.dg/strpaste-2.c: New.
5322 2000-02-29 Mark Mitchell <mark@codesourcery.com>
5324 * fold-const.c (size_binop): Don't asert inputs are the same and
5325 have TYPE_IS_SIZETYPE set.
5326 (size_diffop): Likewise.
5328 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
5330 * dwarfout.c (output_block): Output abstract blocks even if they
5331 don't have TREE_ASM_WRITTEN set.
5333 * calls.c (emit_library_call): Check for null REG.
5335 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
5337 * c-decl.c (current_function_decl): Move to toplev.c.
5338 (init_decl_processing): Don't add current_function_decl as a ggc
5340 * dbxout.c (dbxout_symbol): Change return type to int.
5341 (dbxout_symbol_location, dbxout_syms): Likewise.
5342 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
5343 any locals. Use current_function_func_begin_label if set.
5344 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
5345 * dwarf2out.c (dwarf2out_begin_prologue): Set
5346 current_function_func_begin_label.
5347 * final.c (final_start_function): Reset it.
5348 * toplev.c (current_function_decl): Define it here.
5349 (current_function_func_begin_label): New variable.
5350 (main): Add both as ggc roots.
5351 * tree.h (current_function_func_begin_label): Declare.
5353 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5355 * gcse.c: Cleanups throughout: mostly white-space, but also
5356 some minor rearrangement of code.
5358 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
5360 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
5361 returns a PARALLEL. Use emit_group_load and use_group_regs
5363 (emit_library_call_value): Similarly.
5365 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
5366 * pa/quadlib.asm: Remove.
5367 * pa/quadlib.c: New file.
5369 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
5370 * configure: Rebuilt.
5372 2000-02-29 Philip Blundell <pb@futuretv.com>
5374 * config/arm/conix-elf.h: New file.
5375 * configure.in (arm*-*-conix*): New configuration.
5376 * configure: Regenerate.
5378 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
5380 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
5381 don't have TREE_ASM_WRITTEN set.
5383 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5385 * Eliminate DECL_FIELD_SIZE.
5386 * builtins.c (built_in_class_names, built_in_names): New variables.
5387 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
5388 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
5389 DECL_SIZE, not DECL_FIELD_SIZE.
5390 * print-tree.c (print_node): Remove code that prints extra blank
5391 lines in some cases.
5392 Properly handle inline and builtin function cases.
5393 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
5394 * tree.h (built_in_class_named, built_in_names): New declarations.
5395 (union tree_decl): Rename internal unions to u1 and u2 and change
5396 some of their components.
5397 Add new field built_in_class.
5398 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
5399 Reflect above changes.
5400 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
5401 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
5402 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
5403 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
5405 2000-02-28 Dmitri Makarov <dim@windriver.com>
5407 * extend.texi: Document ARM's support for long/short calls.
5409 * invoke.texi: Document ARM's -mlong-calls command line switch.
5411 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
5412 (arm_encode_call_attribute): Add prototype.
5413 (arm_set_default_type_attribute): Add prototype.
5414 (arm_strip_name_encoding): Add prototype.
5416 * config/arm/arm.c (arm_init_cumulative_args): replace
5417 initialisation og 'long_calls' field with initialisation of
5418 'call_cookie' field.
5419 (enum arm_pragma_enum): New enum.
5420 (arm_pragma_long_calls): New static variable.
5421 (arm_process_pragma): Also process "#pragma long_calls_off".
5422 (arm_valid_type_attribute_p): Accept short_call attribute.
5423 (arm_comp_type_attributes): Check long/short call attributes.
5424 (arm_encode_call_attribute): New function: Encode long_call
5425 or short_call attribute in function name.
5426 (arm_set_default_type_attributes): New function: Assign
5427 default attributes to newly defined type.
5428 (current_file_function_operand): New function: Return true if
5429 the symbol is a function which has already been compiled.
5430 (arm_is_longcall_p): New function: Return true if the
5431 indicated function should be called via a long call.
5432 (arm_get_strip_length): New function. Returns number of
5433 prefix characters to be stripped from a function's name.
5434 (arm_strip_name_encoding): New function. Strip prefix characters
5435 from a function's name.
5437 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
5439 (SHORT_CALL_FAG_CHAR): Define.
5440 (LONG_CALL_FAG_CHAR): Define.
5441 (ENCODED_SHORT_CALL_ATTR_P): Define.
5442 (ENCODED_LONG_CALL_ATTR_P): Define.
5443 (ARM_NAME_ENCODING_LENGTHS): Define.
5444 (STRIP_NAME_ENCODING): Define.
5445 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
5446 (ARM_ENCODE_CALL_TYPE): Define.
5447 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
5448 (ARM_DECLARE_FUNCTION_SIZE): Define.
5449 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
5451 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
5452 if a long call is needed.
5453 (call_value): Ditto.
5454 (call_symbol): Ditto.
5456 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
5457 ARM_DECLARE_FUNCTION_SIZE.
5459 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
5460 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
5461 (ARM_STRIP_NAME_ENCODING): Undefine.
5462 (STRIP_NAME_ENCODING): Undefine.
5463 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
5464 (ASM_DECLARE_FUNCTION_NAME): Ditto.
5465 (ASM_OUTPUT_COMMON): Ditto.
5466 (ASM_DECLARE_OBJECT_NAME): Ditto.
5468 * config/arm/pe.c (arm_dllexport_name_p): Check for
5470 (arm_dllimport_name_p): Ditto.
5471 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
5472 (arm_mark_dllimport): Ditto.
5474 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5476 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
5478 2000-02-28 Mark Mitchell <mark@codesourcery.com>
5480 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
5482 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
5484 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
5485 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
5486 NO_BUILTIN_WCHAR_TYPE is not defined.
5487 (CPP_WCHAR_TYPE): Delete.
5488 * cccp.c (main): Don't change wchar_type if cplusplus.
5489 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
5491 2000-02-28 Nick Clifton <nickc@cygnus.com>
5493 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
5495 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
5497 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
5498 (ASM_WEAKEN_LABEL): Define.
5500 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
5502 * expr.c (store_constructor): Do not emit USE.
5503 * rtl.h (stupid_life_analysis): Remove.
5505 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5507 * function.c (number_blocks): Reset next_block_index based on
5508 what debugging format is used, not what is defined.
5510 * lcm.c: Minor reformatting throughout.
5511 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
5513 * toplev.c (rest_of_compilation): Account for time in
5514 optimize_mode_switching.
5516 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
5517 if only marking labels.
5519 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
5521 * calls.c (expand_call): Attempt to combine stack adjustments with
5522 pending stack adjustments.
5524 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5526 * loop.c (reg_in_basic_block_p): Don't abort when falling through
5527 to the end of the function.
5529 2000-02-27 Mark Mitchell <mark@codesourcery.com>
5531 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
5533 * final.c (next_block_index): Remove.
5534 (max_block_depth): Likewise.
5535 (pending_blocks): Likewise.
5536 (init_final): Don't initialize them.
5537 (final_start_function): Don't set next_block_index. Set up
5539 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
5540 * function.h (number_blocks): New function.
5541 * function.c (get_block_vector): New function.
5542 (identify_blocks): Use it.
5543 (reorder_blocks): Set NOTE_BLOCK.
5544 (number_blocks): New function.
5545 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
5546 * tree.h (BLOCK_NUMBER): New macro.
5547 (tree_block): Add block_num field.
5548 * dbxout.c (next_block_number): Remove.
5549 (dbxout_init): Don't set it.
5550 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
5551 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
5553 * toplev.c (rest_of_compilation): Always call
5554 find_loop_tree_blocks. Fix indentation.
5555 * dwarf2out.c (next_block_number): Remove.
5556 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
5557 to determine block numbers.
5558 (gen_inlined_subroutine_die): Likewise.
5559 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
5560 (decls_for_scope): Don't increment next_block_number.
5561 * dwarfout.c (next_block_number): Remove.
5562 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
5563 to determine block numbers.
5564 (output_inlined_subroutine_die): Likewise.
5565 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
5566 (output_decls_for_scope): Don't increment next_block_number.
5567 * sdbout.c (next_block_number): Remove.
5568 (sdbout_block): Use BLOCK_NUMBER.
5569 (sdbout_begin_block): Simplify.
5570 * xcoffout.c (next_block_number): Remove.
5571 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
5572 (xcoffout_begin_block): Don't set next_block_number.
5573 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
5576 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5578 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
5579 (expand_builtin_strcpy): Pass correct type to size_binop.
5580 (expand_builtin_strcmp): Likewise.
5581 Clean up conditional structure.
5582 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
5583 (complete_array_type): Don't use size_binop for MAXINDEX.
5584 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
5585 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
5586 (c_alignof): Use size_one_node.
5587 (build_unary_op): Pass arg of proper type to size_binop.
5588 (really_start_incremental_init, push_init_level): Use sizetype for
5589 constructor{,_bit,_unfilled}_index.
5590 (pop_init_label, output_init_element): Likewise.
5591 (output_pending_init_elements, process_init_element): Likewise.
5592 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
5593 * expr.c (store_expr): Use size_int.
5594 (store_constructor): Use proper types for size_binop args.
5595 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
5596 (expand_expr_unaligned): Likewise.
5597 (string_contant): Return object of sizetype.
5598 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
5599 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
5600 (ARGS_SIZE_TREE): Pass proper types to size_binop.
5601 * fold-const.c (int_const_binop): Refine when size_int is called.
5602 (fold_convert): Likewise.
5603 (size_int_wide): Rework to take KIND as arg, only take low order
5604 bits, handle new sizetype_tab datatype, and chain entries in
5606 (size_int_type_wide): New function.
5607 (size_binop): Validate types of arguments.
5608 (ssize_binop): Deleted.
5609 (size_diffop): New function.
5610 (extract_muldiv): Only fold division into multiplication for sizetypes.
5611 * function.c (assign_parms): Use size_diffop and make sure
5612 VAR field is of ssizetype; also pass proper type to size_binop.
5613 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
5614 (round_down): Deleted from here.
5615 * store-layout.c (sizetype_tab): Now an array.
5616 (sizetype_set, early_root_list): New variables.
5617 (variable_size): Use size_one_node.
5618 (round_up): Pass proper type to size_binop.
5619 (round_down): Moved to here and corrected as above.
5620 (layout_record): Pass proper arg types to size_binop.
5621 (layout_type): Likewise.
5622 If sizetype_set is zero, record the type just laid out.
5623 (make_unsigned_type): Don't call set_sizetype;
5624 (make_signed_type): Likewise; also, call fixup_signed_type.
5625 (initialize_sizetypes): New function.
5626 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
5627 set name of bitsizetype to "bit_size_type".
5628 Fix up type of sizes of all types made before call.
5629 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
5630 * tree.c (fix_sizetype): Deleted.
5631 (build_common_tree_nodes): Call initialize_sizetypes.
5632 (build_common_tree_nodes_2): Don't call fix_sizetype.
5633 * tree.h (TYPE_IS_SIZETYPE): New macro.
5634 (initialize_sizetype): New declaration.
5635 (enum size_type_kind): New type.
5636 (struct sizetype_tab): Deleted.
5637 (sizetype_tab): Now array; adjust sizetype macros.
5638 (size_diffop, size_int_type_wide): New functions.
5639 (size_int_wide): Change number of args and type; access macros changed.
5640 (ssize_int, sbitsize_int): New macros.
5641 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
5642 (ROUND_TYPE_SIZE_UNIT): New macro.
5644 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
5646 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
5648 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5650 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
5651 Mark as possibly unused.
5653 * cse.c (cse_insn): Delete dead code involving tablejump.
5654 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
5656 * Makefile.in (libcpp.a): Start by deleting it.
5658 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5660 * cpplib.h (enum file_change_code): Added rename_file.
5661 * cpplib.c (do_line): If a filename is given, set file_change to
5663 (output_line_command): If file_change is rename_file, always
5664 output a # directive with the file name.
5666 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
5668 2000-02-26 Mark Mitchell <mark@codesourcery.com>
5670 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
5671 when copying a PARM_DECL or RESULT_DECL.
5673 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5675 * fix-header.c (recognized_function): Also fix prototypes for
5676 functions taking "void".
5678 2000-02-26 Geoff Keating <geoffk@cygnus.com>
5680 * reload1.c (do_output_reload): Check reg_reloaded_valid before
5681 looking at reg_reloaded_contents.
5683 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
5685 * Makefile.in (STMP_FIXINC): New toggle.
5686 (LIBGCC2_DEPS): Delete all references.
5687 (stmp-headers): Delete target. All references either deleted
5688 or changed to stmp-int-headers.
5689 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
5690 (LIBCPP_OBJS): Take out cppalloc.o.
5691 (cppalloc.o): Delete target.
5692 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
5693 (gen-protos, fix-header): Link with libiberty.a.
5694 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
5697 * configure.in: Remove refs to strerror.
5698 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
5699 * system.h: Take out strerror stanza.
5701 * cpperror.c (my_strerror): Delete function.
5702 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
5703 * cppmain.c (main): Call xmalloc_set_program_name first thing.
5704 * cppalloc.c: Delete file.
5705 * gen-protos.c: Don't provide xrealloc.
5707 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
5708 xstrerror throughout.
5710 2000-02-26 Bruce Korb <bkorb@gnu.org>
5712 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
5713 match for DOS headers, too.
5714 * fixinc/inclhack.sh,fixincl.x: Regenerate.
5716 2000-02-26 Geoff Keating <geoffk@cygnus.com>
5718 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
5719 is right for most ELF targets.
5720 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
5721 Let the default file use %U properly.
5722 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
5725 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
5728 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5730 * toplev.c (documented_lang_options): Correct spelling error.
5731 (decode_d_option, decode_f_option, main): Likewise.
5733 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
5735 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
5736 to tell assembler it is permitted to expand large constants.
5738 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
5740 * protoize.c: (AUX_INFO_SUFFIX): New macro.
5741 (aux_info_suffix): Use.
5742 (SAVE_SUFFIX): New macro.
5744 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
5745 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
5746 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
5748 * invoke.texi (Running Protoize): Update documentation.
5750 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
5752 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
5754 2000-02-25 John Wehle (john@feith.com)
5756 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
5758 2000-02-25 Anthony Green <green@cygnus.com>
5760 * toplev.c (rest_of_compilation): Rebuild jump labels if
5761 combine_instructions has created a new direct jump.
5762 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
5764 (combine_instructions): Call try_combine with new argument.
5765 Return non-null value when new direct jump instruction is created.
5766 * rtl.h: combine_instructions returns an int.
5768 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
5770 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
5771 jump when changing a computed jump into a jump to a known
5774 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
5776 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
5777 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
5779 * i386.md (define_expand "clrstrsi"): Fix typo.
5781 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
5783 * rtl.texi: Fix typo.
5785 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5787 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
5788 UNITS_PER_WORD. Change caller initial_elimination_offset.
5789 (rounded_frame_size): Take into account that argument pushed has
5790 changed. Fix TARGET_ALIGN_DOUBLE problem.
5792 2000-02-25 Geoff Keating <geoffk@cygnus.com>
5794 * haifa-sched.c (schedule_block): Explain the real reason
5795 we delete REG_SAVE_NOTEs on the first insn of a block.
5796 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
5798 2000-02-24 Mark Mitchell <mark@codesourcery.com>
5800 * input.h (push_srcloc): New function.
5801 (pop_srcloc): Likewise.
5802 * toplev.c (push_srcloc): Define it.
5803 (pop_srcloc): Likewise.
5805 2000-02-24 Richard Henderson <rth@cygnus.com>
5807 * flow.c (life_analysis): When collecting reg info, clear
5810 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5812 Fix bug exposed by reload.c no longer rounding the frame
5813 size to BIGGEST_ALIGNMENT:
5814 * sh.c (rounded_frame_size): New function.
5815 (sh_expand_prologue, sh_expand_epilogue): Use it.
5816 (initial_elimination_offset): Likewise.
5818 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5820 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
5821 * sh-protos.h (sh_need_epilogue): Declare.
5822 * sh.c (sh_need_epilogue_known): New static variable.
5823 (sh_need_epilogue): New function.
5824 (function_epilogue): Clear need_epilogue_known.
5825 * sh.md (return): Split into expander / insn pattern.
5826 Make the expander conditional on ! sh_need_epilogue ().
5828 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
5830 * machmode.h (get_mode_alignment): Declare.
5831 (GET_MODE_ALIGNMENT): Call it.
5832 * stor-layout.c (get_mode_alignment): New function. Make
5833 sure alignment is always power of 2.
5835 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
5837 * i386.h: Remove useless definition of "I386" and misleading
5840 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
5842 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
5843 under which TREE_PERMANENT will be set.
5844 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
5845 build1): Use TREE_SET_PERMANENT.
5846 * print-tree.c (print_node): Don't report value of
5847 TREE_PERMANENT if ggc_p is true.
5849 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
5850 decide whether to give a type a new alias set.
5851 * objc/objc-act.c (build_objc_string_object): Never copy the string.
5852 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
5853 of value of 'obstack'.
5856 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5858 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
5860 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5862 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
5863 * cpplib.c (cpp_get_token): Produce them.
5864 * cppexp.c (cpp_lex): Handle them.
5866 2000-02-23 Nick Clifton <nickc@cygnus.com>
5868 * config/arm/arm.c (arm_comp_type_attributes): Simply and
5869 comment tests on type attributes.
5871 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5873 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
5874 conform to documentation.
5875 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
5876 to check for special cases.
5877 * sh-protos.h (sh_loop_align): Declare.
5878 * sh.c (sh_loop_align): Define.
5880 2000-02-22 Andrew Haley <aph@cygnus.com>
5882 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
5883 (SIZE_TYPE): Is 32 bits when using -mgp32.
5884 (PTRDIFF_TYPE): Ditto.
5886 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5888 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
5890 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
5892 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
5893 BIGGEST_FIELD_ALIGNMENT a constant.
5895 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
5897 * dwarf2out.c (output_line_info): Put the marker for the end of
5898 the line number info at the actual end.
5899 (gen_struct_or_union_type_die): Use decl_function_context
5900 to check for local classes.
5901 * dwarfout.c (output_type): Likewise.
5903 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
5905 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
5906 for arguments with a mode, but no type.
5907 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
5908 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
5909 * pa/long_double.h: New file.
5910 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
5911 both have 128bit wide long doubles.
5912 * configure: Rebuilt.
5914 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5916 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
5918 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
5919 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
5920 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
5922 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
5924 * integrate.c (compare_blocks, find_block): Likewise.
5926 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
5928 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
5930 * stmt.c (stmt_status, set_file_and_line_for_stmt,
5931 expand_asm_operands): Likewise.
5933 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
5935 * predict.c (estimate_probability): Added the pointer heuristic to
5936 the collection of static branch predictors.
5938 2000-02-21 Catherine Moore <clm@cygnus.com>
5940 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
5941 * invoke.texi (-mfix7000): Document.
5943 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
5945 * diagnostic.c (init_output_buffer): Make it possible to output at
5946 least 32 characters if we're given a too long prefix.
5948 2000-02-20 Mark Mitchell <mark@codesourcery.com>
5950 * varasm.c (initializer_constant_valid_p): Call
5951 lang_expand_constant to simplify the constant.
5953 2000-02-20 Bruce Korb <bkorb@gnu.org>
5955 * fixinc/inclhack.def(stdio_va_list):
5956 typedef needs to be disabled.
5957 * fixinc/inclhack.sh: regen
5958 * fixinc/fixincl.x: regen
5960 2000-02-20 Geoff Keating <geoffk@cygnus.com>
5962 * print-rtl.c (print_rtx): Don't print addresses when
5963 flag_dump_unnumbered.
5965 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5967 * sparc.c (sparc_output_scratch_registers): Mark parameter with
5969 (sparc_va_arg, sparc_flat_output_function_prologue,
5970 sparc_flat_output_function_epilogue): Cast value to unsigned in
5972 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
5974 * sparc.md: Add default case in switch.
5976 2000-02-19 Richard Henderson <rth@cygnus.com>
5978 * c-typeck.c (add_pending_init): Don't abort for multiple
5979 fields at the same offset.
5980 (pending_init_member): Test the correct member.
5982 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5984 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
5986 (start_catch_handler) : Same.
5988 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
5990 * Makefile.in: Have flow.o depend on $(EXPR_H)
5992 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5994 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
5995 * c-decl.c (duplicate_decls, finish_enum): Likewise.
5996 (finish_decl): Remove -Wlarger-than code from here.
5997 * flags.h (id_clash_len): Now int.
5998 (larger_than_size): Now HOST_WIDE_INT.
5999 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
6000 Clean up checking to see if in table.
6001 (make_bit_field_ref): Remove extra parm to bitsize_int.
6002 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
6003 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
6004 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
6005 and for computing size of decl.
6006 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
6007 Move -Wlarger-than code to here.
6008 (layout_record): Remove extra arg to bitsize_int.
6009 Set TYPE_BINFO_SIZE_UNIT.
6010 (layout_union): Remove extra arg to bitsize_int.
6011 Use proper type for size of QUAL_UNION.
6012 (layout_type): Remove extra arg to bitsize_int.
6013 * toplev.c (id_clash_len): Now int.
6014 (larger_than_size): Now HOST_WIDE_INT.
6015 (decode_W_option): Clean up id-clash and larger-than- cases.
6016 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
6017 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
6018 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
6019 (struct tree_decl): New field size_unit.
6020 (size_int_wide): No HIGH operand; NUMBER is now signed.
6021 (size_int_2): Deleted.
6022 (size_int, bitsize_int): Don't use it and rework args.
6023 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
6025 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
6027 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
6029 2000-02-18 Geoff Keating <geoffk@cygnus.com>
6031 * invoke.texi (Warning Options): Add an explanation of why
6032 you might want the -Wfloat-equal flag.
6034 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6036 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
6037 * cppinit.c (new_pending_define): Add cast to avoid warning.
6038 * expmed.c (extract_bit_field): Likewise.
6039 * flow.c (enum reorder_skip_type): New type.
6040 (skip_insns_between_blcok): New it.
6041 Rework to avoid warning about possibly undefined variable.
6042 * function.c (assign_parms): Make thisparm_boundary unsigned.
6043 * genrecog.c (write_switch): Cast XWINT result to int.
6044 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
6045 * mips-tfile.c (init_file): Make two versions of FDR intializer:
6046 one for MIPS and one for Alpha.
6047 (get_tag, copy_object): Add casts to avoid warnings.
6048 * optabs.c (init_one_libfunc): Cast NAME to (char *).
6049 * reload.c (find_reloads): Make TYPE enum reload_type.
6050 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
6051 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
6052 * varasm.c (compare_constant_1): Add cast to avoid warning.
6053 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
6055 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
6056 Cast switch operand of size to int.
6057 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
6058 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
6061 2000-02-18 Nick Clifton <nickc@cygnus.com>
6063 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
6064 anything for an alignment of zero.
6066 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
6067 anything for an alignment of zero.
6069 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
6071 * gcc.texi (Bug Reporting): Refer to bugs.html.
6072 (Bug Lists): Likewise.
6073 * system.h (GCCBUGURL): New preprocessor define.
6074 * rtl.c (fancy_abort): Use it.
6075 * gcc.c (main): Likewise.
6077 2000-02-18 Richard Henderson <rth@cygnus.com>
6079 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
6080 (life_analysis_1): Subsume into ...
6081 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
6082 Use update_life_info for the relaxation.
6083 (update_life_info): Update REG_BASIC_BLOCK for registers live on
6084 entry and regs_live_at_setjmp.
6085 (set_noop_p): Simplify.
6086 (notice_stack_pointer_modification_1): Renamed from s/_1//.
6087 (record_volatile_insns): Split into ...
6088 (delete_noop_moves): ... here,
6089 (notice_stack_pointer_modification): ... here,
6090 (insn_dead_p): ... and here.
6091 (propagate_block): Don't query INSN_VOLATILE.
6092 (mark_used_regs): Mind !PROP_REG_INFO.
6093 * toplev.c (rest_of_compilation): Call mark_constant_function here,
6094 not in life_analysis.
6096 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
6098 * loop.c (canonicalize_condition): New function,
6099 broken out of get_condition.
6100 (get_condition): Use it.
6101 * expr.h (canonicalize_condition): Prototype it.
6103 * tree.h (tree_int_cst_msb): Declare.
6104 * tree.c (tree_int_cst_msb): New function.
6106 2000-02-17 Mark Mitchell <mark@codesourcery.com>
6108 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
6111 * invoke.texi (-fmessage-length=n): Document.
6113 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
6115 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
6117 2000-02-17 Mark Mitchell <mark@codesourcery.com>
6119 * function.c (thread_prologue_and_epilogue_insns): Put a line note
6122 2000-02-17 Nick Clifton <nickc@cygnus.com>
6124 * config/arm/thumb.c: Replace includes of system headers with
6125 #include "system.h".
6127 2000-02-16 Richard Henderson <rth@cygnus.com>
6129 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
6130 Add crtbeginS.o and crtendS.o.
6131 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
6132 (ENDFILE_SPEC): Use crtendS.o.
6133 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
6135 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
6136 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
6138 (__dso_handle): New variable.
6139 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
6140 bias to __CTOR_END__.
6142 2000-02-16 Richard Henderson <rth@cygnus.com>
6144 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
6146 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
6148 * longlong.h (__clz_tab): Declare as static to match definition.
6150 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
6151 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
6152 (XREF_FILE_NAME): Define.
6154 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
6155 (EH_FRAME_SECTION_ASM_OP): Define.
6156 (IDENT_ASM_OP): Define.
6157 (TEXT_SECTION_ASM_OP): Define.
6159 (CTORS_SECTION_ASM_OP): Define.
6160 (CTOR_SECTION_FUNCTION): Use it.
6161 (DTORS_SECTION_ASM_OP): Define.
6162 (DTOR_SECTION_FUNCTION): Use it.
6164 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
6166 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
6169 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
6170 debug_bb_n): New functions.
6171 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
6172 * basic-block.h: Prototype new functions.
6174 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
6176 * configure.in: Add support for avr target.
6177 * configure: Rebuilt.
6179 * invoke.texi: Add AVR invocation docs.
6180 * install.texi: Add information about AVR.
6181 * md.texi: Add AVR constraint letters description.
6182 * extend.texi: Add description for AVR specific attributes.
6184 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
6186 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
6188 2000-02-16 Nick Clifton <nickc@cygnus.com>
6190 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
6191 (make_insn_raw): Move RTL check here.
6193 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6195 * version.c: Include gansidecl.h and version.h.
6197 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
6199 * configure.in (gcc_version): When setting, narrow search to
6200 lines containing `version_string'.
6202 * Makefile.in (mainversion): Likewise.
6203 (GCC_H): New variable.
6204 (gcc.h): Delete target.
6205 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
6206 (version.o): Depend on version.h.
6207 (dbxout.o): Don't depend on gcc.h.
6209 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
6210 Michael Meissner <meissner@cygnus.com>
6212 * md.texi (Simple Constraints): Add item about whitespace.
6213 * genoutput.c (strip_whitespace): New.
6214 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
6215 strip_whitespace for constraints.
6216 Test pointer using NULL, not 0.
6218 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6220 * cpplib.c (do_line): Pedwarn for #line > 32767.
6222 * c-lex.c (readescape): Warn about '\x', but do not reject it.
6224 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
6226 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
6227 to default cpp spec.
6228 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
6229 * cpp.texi: Document __GNUC_PATCHLEVEL__.
6232 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
6235 2000-02-15 Denis Chertykov <denisc@overta.ru>
6237 * configure.in: Add support for avr target.
6239 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6241 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
6242 (sh_addr_diff_vec_mode): Don't declare.
6243 * sh.c (sh_addr_diff_vec_mode): Delete.
6245 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6247 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
6249 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6251 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
6252 (smulsi3_highpart_i): Name.
6253 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
6254 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
6255 (smulsi3_highpart, umulsi3_highpart): Likewise.
6257 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
6258 correctly independent of endianness.
6259 (mulsidi3, umulsidi3): Now define_insn. Hide details that
6260 confuse the optimizers.
6261 (mulsidi3+1, umulsidi3+1): New define_split.
6263 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
6265 * config/sh/sh.md: Guard insn splits against illegal registers.
6266 * config/sh/sh.h: Correct comment about macros.
6268 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6269 Andrew MacLeod <amacleod@cygnus.com>
6271 * Makefile.in (lcm.o): Depend on insn-attr.h.
6272 * basic-block.h (optimize_mode_switching): Declare.
6273 * lcm.c (tm_p.h, insn-attr.h): #include.
6274 (seginfo, bb_info): New structs.
6275 (antic, transp, comp, delete, insert) : New file-scope static variables.
6276 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
6277 (reg_becomes_live, optimize_mode_switching): Likewise.
6278 * tm.texi: Add description of mode switching macros.
6279 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
6281 * sh-protos.h (remove_dead_before_cse): Remove prototype.
6282 (fldi_ok, fpscr_set_from_mem): New prototypes.
6283 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
6284 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
6285 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
6286 (sh_flag_remove_dead_before_cse): Remove declaration.
6287 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
6288 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
6289 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
6290 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
6291 (barrier_align): Allow for JUMP_INSNS containing a parallel.
6292 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
6293 (fldi_ok): New function.
6294 (get_fpscr_rtx): Add fpscr_rtx as GC root.
6295 (emit_sf_insn): Only generate fpu switches when optimize < 1.
6296 (emit_df_insn): Likewise.
6297 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
6298 (sh_flag_remove_dead_before_cse): Delete.
6299 (get_free_reg, fpscr_set_from_mem): New functions.
6300 * sh.md (movdf, movsf): Remove no_new_pseudos code.
6301 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
6303 2000-02-15 Loren Rittle <ljrittle@acm.org>
6305 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
6307 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6309 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
6310 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
6312 * cccp.c: Include version.h and/or don't declare `version_string'.
6313 * collect2.c: Likewise.
6314 * alpha.c: Likewise.
6315 * arm/aof.h: Likewise.
6316 * arm/coff.h: Likewise.
6317 * arm/elf.h: Likewise.
6318 * arm/pe.h: Likewise.
6319 * arm/tcoff.h: Likewise.
6320 * arm/telf.h: Likewise.
6321 * arm/tpe.h: Likewise.
6322 * arm/vxarm.h: Likewise.
6323 * convex/convex.c: Likewise.
6324 * i386/dgux.c: Likewise.
6325 * i386/sun386.h: Likewise.
6326 * m88k/m88k.c: Likewise.
6327 * mcore/mcore-pe.h: Likewise.
6328 * mips/mips.h: Likewise.
6329 * romp/romp.h: Likewise.
6330 * sh/sh.c: Likewise.
6331 * cpphash.c: Likewise.
6332 * cppinit.c: Likewise.
6333 * dwarf2out.c: Likewise.
6334 * dwarfout.c: Likewise.
6337 * mips-tfile.c: Likewise.
6338 * protoize.c: Likewise.
6339 * toplev.c: Likewise.
6342 * version.c (version_string): Constify a char*.
6344 * version.h: New file.
6346 2000-02-14 Nick Clifton <nickc@cygnus.com>
6348 * configure.in: Add mcore-elf and mcore-pe targets.
6349 * configure: Regenerate.
6351 * NEWS: Add note that MCore port has been contributed.
6353 * invoke.texi: Document command line switches for MCore port.
6354 * install.texi: Add MCore to list of supported targets.
6356 2000-02-14 Geoff Keating <geoffk@cygnus.com>
6358 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
6359 then we will need to import the frame handling functions.
6360 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
6361 to import the frames themselves.
6363 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
6364 Jason Eckhardt <jle@cygnus.com>
6366 * basic_block.h: Added prototype for reorder_basic_blocks.
6367 * toplev.c: Changes to add -freorder-blocks and graph dump after
6368 block reordering is done.
6369 * flow.c (reorder_block_def): New structure for use during block
6371 (REORDER_BLOCK_*): New macros to access members of above structure.
6372 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
6373 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
6374 functions for block reordering.
6376 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
6378 * gcc.texi (Passes): Fix typo.
6379 * md.texi (Standard Names): Ditto.
6380 * tm.texi (Storage Layout): Ditto.
6382 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
6384 * cpplib.c (do_define): Only free the old definition if it
6387 2000-02-13 Neil Booth <NeilB@earthling.net>
6389 * cppfiles.c (read_and_prescan): When emitting deferred
6390 newlines, test speccase[] again instead of checking each
6391 possible whitespace character in turn. When we encounter \r,
6392 look behind for \n first, then ahead.
6394 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
6396 * cse.c (cse_altered): New internal flag.
6397 (cse_insn): Set it if we changed an insn.
6398 (cse_main): Clear cse_altered before each basic block.
6399 Only garbage collect if cse_altered is true afterward.
6401 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6403 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
6405 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
6407 * combine.c (simplify_comparison): Fix typo.
6409 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
6411 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
6414 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6416 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
6417 previously inserted node instead of root node. Caller changed.
6419 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6421 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
6423 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6425 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
6426 __dereg_frame_dtor): Add prototype argument.
6428 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
6430 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
6432 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
6434 * gthr-vxworks.h (__gthread_once): Likewise.
6436 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
6438 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
6440 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
6441 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
6442 stack pointer in functions w/o saved registers, output LEAVE more often
6443 on TARGET_USE_LEAVE machines.
6445 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
6447 * config/arm/arm.c (arm_init_cumulative_args); New function:
6448 Initlaise the CUMULATIE_ARGS strcuture for a function
6450 (arm_function_arg): New function: Determine where to place a
6451 function's argument. Also handles deciding the function's
6453 (current_file_function_operand): New function: Return true if
6454 the symbol is a function which has already been compiled.
6455 (arm_is_long_call_p): New function: Return true if the
6456 indicated function should be called via a long call.
6457 (arm_valid_type_attribute_p): New function: Return true if the
6458 attribute is a valid, arm specific, attribute.
6459 (arm_comp_type_attribute): New function: Return true if the
6460 two types have compatable, arm specific, attributes.
6462 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
6464 (FUNCTION_ARG): Redefine to call arm_function_arg.
6465 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
6467 (INIT_CUMULATIVE_ARGS): Redefine to call
6468 arm_init_cumulative_args.
6469 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
6471 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
6473 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
6475 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
6476 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
6477 (COMP_TYPE_ATTRIBUTES): Define.
6479 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
6480 if a long call is needed.
6481 (call_value): Call arm_is_long_call_p to decide if a long call
6483 (call_symbol): Call arm_is_long_call_p to decide if a long call
6486 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
6488 2000-02-11 Denis Chertykov <denisc@overta.ru>
6490 * README.AVR: New file with information about the avr ports.
6491 * config/avr: New directory with avr port files.
6493 2000-02-11 Andreas Jaeger <aj@suse.de>
6495 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
6497 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
6499 * cpphash.c: Fix formatting, update commentary.
6500 (dump_definition): Take three separate arguments instead of a
6501 MACRODEF structure argument.
6502 * cpphash.h: Update prototype of dump_definition.
6503 * cppinit.c (cpp_finish): Update call of dump_definition.
6505 * cpplib.c (do_define): Always create new hash entry with
6506 T_MACRO type. Remove redundant check for redefinition of
6507 poisoned identifier. Update call of dump_definition.
6508 (do_undef): Don't call check_macro_name. Rename sym_length to
6510 (do_error, do_warning): Don't use copy_rest_of_line or
6512 (do_warning): Don't use pedwarn for the actual warning,
6513 only the notice about its not being in the standard. (Fixes
6514 bug with #warning in system headers.)
6515 (do_ident): Stricter argument checking - accept only a single
6516 string after #ident. Also, macro-expand the line.
6517 (do_xifdef): Use cpp_defined. De-obfuscate.
6519 (do_pragma): Split out specific pragma handling to separate
6520 functions. Use get_directive_token. Update commentary. Do
6521 not pass on #pragma once or #pragma poison to the front end.
6522 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
6523 do_pragma_default): New.
6525 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
6527 * jump.c (jump_optimize_1): The first operand in a relational
6529 * optabs.c (emit_conditional_move): Handle relationals which
6530 have a known true/false result.
6532 2000-02-11 Geoff Keating <geoffk@cygnus.com>
6534 * function.c (thread_prologue_and_epilogue_insns): Don't insert
6535 a RETURN insn into a block which already ends with a jump.
6537 2000-02-11 Geoff Keating <geoffk@cygnus.com>
6539 * haifa-sched.c (BUF_LEN): Increase a lot.
6541 2000-02-11 Nick Clifton <nickc@cygnus.com>
6543 * configure.in: Add tm_p_file specification for thumb targets.
6544 * configure: Regenerate.
6546 * config/arm/thumb-protos.h: New file: Prototypes for exported
6547 functions defined in thumb.c.
6549 2000-02-11 Robert Lipe <robertl@sco.com>
6551 * Makefile.in (bootstrap-lean): Remove additional files.
6552 (bootstrap2-lean): Likewise.
6553 (VOL_FILES): List of files for above.
6555 2000-02-11 Nathan Sidwell <nathan@acm.org>
6557 * cpphash.c (special_symbol): Remove spurious argument to
6560 2000-02-11 Joel Sherrill (joel@OARcorp.com>
6562 * configure.in: (i*86-*-rtems*): Swapped elf and coff
6564 * configure: Rebuilt.
6566 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
6568 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
6570 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
6572 * pa.c, pa.h: Remove trigraph sequences within comments.
6574 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
6576 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
6578 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
6580 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
6582 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6584 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
6586 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6588 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
6589 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
6590 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
6591 (ASM_FILE_END): Use c4x_file_end.
6592 * config/c4x/c4x.c (c4x_global_label): New function.
6593 (c4x_external_ref, c4x_file_end): Likewise.
6595 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
6596 (c4x_external_ref, c4x_end_file): Likewise.
6598 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
6600 * cppexp.c: Don't include cpphash.h.
6601 (parse_charconst, cpp_lex): Use cpp_defined.
6602 (cpp_lex): Use get_directive_token throughout. Remove
6603 unnecessary cases from switch. Move assertion-handling code
6605 (cpp_parse_expr): If we see '+' or '-', check the context to
6606 determine if they are unary or binary operators. Streamline
6607 the jumps a bit. Do not call skip_rest_of_line.
6609 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
6610 static. Export get_directive_token. Update commentary.
6611 (cpp_defined): New function.
6612 (do_define): Remove reference to T_PCSTRING. Call
6613 free_definition to release memory for old definition, when
6615 (eval_if_expression): Set only_seen_white to 0 before calling
6616 cpp_parse_expr. Call skip_rest_of_line after it returns.
6617 (cpp_read_check_assertion): Don't preserve a pointer into the
6618 token buffer across a call to cpp_get_token.
6620 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
6621 * cppfiles.c (redundant_include_p): Use cpp_defined.
6622 * cpphash.c (free_definition): New function.
6623 (delete_macro): Use it. Update commentary.
6624 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
6626 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
6627 from enum node_type. Prototype cpp_defined and get_directive_token.
6628 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
6630 * fix-header.c (check_macro_names): Use cpp_defined.
6631 (read_scan_file): Set inhibit_warnings and inhibit_errors in
6632 the options structure.
6634 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6636 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
6638 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
6640 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
6641 rather than die->die_tag.
6643 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6645 * combine.c (make_extraction, force_to_mode): Avoid warning on
6646 mixed-signedness conditionals.
6647 (make_field_assignment, nonzero_bits): Likewise.
6648 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
6649 (store_split_bit_field, extract_split_bit_field): Likewise.
6650 (extract_fixed_bit_field, store_bit_field,
6651 * expr.c: Change alignment to be unsigned everywhere.
6652 (move_by_pieces, store_constructor_field, store_constructor):
6653 Alignment parm is unsigned.
6654 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6655 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
6656 (do_compare_rtx_and_jump): Likewise.
6657 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
6658 Compare align with GET_MODE_ALIGNMENT.
6659 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
6660 (get_inner_reference): Likewise.
6661 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
6662 (expand_assignment): Local vars for alignment now unsigned.
6663 (store_constructor, store_field, expand_expr, do_jump): Likewise.
6664 (do_compare_and_jump): Likewise.
6665 (store_field): Call new function expr_align.
6666 * expr.h (emit_block_move, emit_group_load, emit_group_store):
6667 Alignment arg now unsigned.
6668 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
6669 (do_compare_rtx_and_jump, store_bit_field): Likewise.
6670 (extract_bit_field): Likewise.
6671 * fold-const.c (add_double): Add cast to eliminate signedness warning.
6672 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
6673 (get_best_mode): Alignment arg is unsigned.
6674 * rtl.h (move_by_pieces): Likewise.
6675 * store-layout.c (maximum_field_alignment, set_alignment):
6677 (layout_decl): Alignment arg is now unsigned.
6678 Remove unneeded casts.
6679 (layout_record, layout_union, layout_type): Remove unneeded casts.
6680 Local alignment variables now unsigned.
6681 (get_best_mode): Alignment arg now unsigned.
6682 * tree.c (expr_align): New function.
6683 * tree.h (expr_align): Likewise.
6684 (maximum_field_alignment, set_alignment): Now unsigned.
6685 (get_inner_reference): Alignment argument is now pointer to unsigned.
6686 * varasm.c (assemble_variable): Add cast to eliminate warning.
6688 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
6690 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
6691 then store directly into op0.
6693 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
6694 the CALL_INSN, and emit the note immediately after it.
6696 2000-02-10 Nick Clifton <nickc@cygnus.com>
6698 * config/arm/thumb.md (epilogue): Include a (return) in the
6699 generated insn, and emit it using emit_jump_insn not
6702 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
6704 * function.c (assign_temp): Change zero-sized arrays to size 1.
6705 * integrate.c (expand_inline_function): Do not update
6706 stack_alignment_needed
6707 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
6708 add some sanity checking, remove optimization for function with
6711 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6713 * flow.c (mark_regs_live_at_end): Delete unused variables.
6715 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
6717 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
6718 in macro FRAME_GROWS_DOWNWARD.
6720 * stmt.c (expand_end_bindings): Delete unused variable.
6722 * unroll.c (iteration_info): Mark parameter `loop' with
6725 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6727 * fixinc/server.c (load_data): Return NULL if the marker line is
6729 (run_shell): If load_data returns NULL, retry the command once, in
6732 * configure: Rebuilt.
6734 2000-02-09 Bruce Korb <bkorb@gnu.org>
6736 * gcc/fixincludes: ** DELETED **
6737 * gcc/fixcpp: ** DELETED **
6738 * gcc/fixinc-nt.sed: ** DELETED **
6739 * gcc/just-fixinc: ** DELETED **
6740 * gcc/Makefile.in: Removed out-dated commentary
6741 * gcc/configure.in: Removed fast-fixincludes disablement.
6742 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
6744 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
6745 * function.c (thread_prologue_and_epilogue_insns): Uncomment
6748 2000-02-09 Richard Henderson <rth@cygnus.com>
6750 * jump.c (delete_insn): Don't delete user labels at -O0.
6752 2000-02-09 Robert Lipe <robertl@sco.com>
6754 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
6755 Don't link with HOST_LIBS.
6757 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
6759 * configure.in: Correct --help text for --with-dwarf2.
6760 Put tm-dwarf2.h after other tm files, if it's requested.
6761 * configure: Regenerate.
6762 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
6765 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
6767 * cpplib.h: Provide HASHNODE typedef and forward decl of
6768 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
6769 DEFINITION, struct hashnode, struct macrodef, struct
6770 definition, scan_decls prototype, default defn of
6771 INCLUDE_LEN_FUDGE moved elsewhere.
6773 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
6774 definition, and struct hashnode moved here. Remove the unused
6775 'predefined' field from struct definition. Replace the 'args'
6776 union with its sole member. All users updated (cpphash.c).
6777 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
6778 multiple include guard.
6780 * cpphash.c (hashf): Make static; use better algorithm; drop
6781 HASHSIZE parameter; return an unsigned int.
6782 (cpp_lookup): Drop HASH parameter. PFILE parameter is
6783 used. Calculate HASHSIZE modulus here.
6784 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
6786 (create_definition): Drop PREDEFINITION parameter.
6787 * cpplib.c (do_define): Don't calculate a hash value here.
6788 Don't pass (keyword == NULL) to create_definition.
6790 * scan.h: Prototype scan_decls here.
6791 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
6792 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
6793 callers of cpp_lookup and cpp_install updated.
6795 * cpphash.c (macarg): Hoist all the flag diddling out of the
6797 (macroexpand): ... and out of the loop that calls macarg.
6798 Skip over the initial paren before macro arguments with
6799 cpp_get_non_space_token; point may be some distance before
6800 that paren. Abort if it's not there.
6802 * cpplib.c (parse_clear_mark): Delete function.
6803 (parse_set_mark, parse_goto_mark): Make static.
6804 (ACTIVE_MARK_P): New macro.
6805 (skip_block_comment, skip_line_comment): Do not bump the line
6806 if ACTIVE_MARK_P is true.
6807 (cpp_pop_buffer): The buffer to be popped may not have an
6809 (cpp_get_token): When looking for the initial paren before
6810 macro arguments, only set a mark in a file buffer, Always
6811 return to that mark before proceeding to call macroexpand or
6812 return a NAME token.
6814 * cpplib.h: Remove prototypes of parse_set_mark,
6815 parse_clear_mark, parse_goto_mark.
6816 (struct cpp_options): Rename 'put_out_comments' to
6817 'discard_comments' and invert its sense.
6818 * cppinit.c, cpphash.c, cpplib.c: All users of
6819 put_out_comments changed to use discard_comments, with
6822 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
6824 * function.c (thread_prologue_and_epilogue_insns): Don't delete
6825 the edge from a block that both jumps and falls through to the
6828 2000-02-09 Scott Bambrough <scottb@netwinder.org>
6830 * config/arm/arm.md (movsi): In PIC mode, make sure that a
6831 constant source address is legitimate.
6833 2000-02-09 Philip Blundell <pb@futuretv.com>
6835 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
6838 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
6840 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
6842 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
6844 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
6845 ends with a newline and a NUL. Don't be so clever manipulating
6848 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
6850 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
6851 not to BIGGEST_ALIGNMENT.
6853 2000-02-08 Geoff Keating <geoffk@cygnus.com>
6855 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
6856 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
6857 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
6858 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
6859 * frame.c (execute_cfa_insn): Handle
6860 DW_CFA_GNU_negative_offset_extended.
6862 2000-02-08 Richard Henderson <rth@cygnus.com>
6864 * flow.c (tidy_fallthru_edges): Split out from ...
6865 (delete_unreachable_blocks): ... here.
6866 (find_basic_blocks): Use it.
6868 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6870 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
6872 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
6874 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
6875 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
6876 (fix-header.o): Don't depend on cpphash.h.
6878 * scan.c (hashstr): New function.
6879 * scan.h: Prototype it.
6880 * fix-header.c: Don't include cpphash.h. Use hashstr.
6881 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
6882 hashstr. Report hash table statistics. Add private
6883 definition of xrealloc.
6885 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6887 * i386.h (TARGET_SWITCHES): Fix typo in option name.
6889 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
6891 * function.c (thread_prologue_and_epilogue_insns): Don't replace
6892 jumps with returns unless they are jumps to the fallthru block.
6894 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
6896 * i386.md (addqi3_cc): Fix contraints.
6898 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
6900 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
6902 2000-02-07 Mark Mitchell <mark@codesourcery.com>
6904 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
6905 carriage return after a macro name.
6907 2000-02-07 Fred Fish <fnf@be.com>
6909 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
6910 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
6912 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
6914 * cppfiles.c (deps_output): Count spacers in deps_column.
6916 2000-02-07 Neil Booth <NeilB@earthling.net>
6918 * cppinit.c (initialize_dependency_output): If there is no
6919 suffix, don't try to look for known suffixes. Use strrchr.
6920 (cpp_start_read): Remove duplicate initialization.
6922 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
6924 * calls.c (compute_argument_block_size): New argument
6925 preferred_stack_boundary.
6926 (expand_call): update cfun->preferred_stack_boundary, update call of
6927 compute_argument_block_size
6928 (emit_library_call): Increate cfun->preferred_stack_boundary
6929 to PREFERRED_STACK_BOUNDARY
6930 (emit_library_call_value): Likewise.
6931 * explow.c (allocate_dynamic_stack_spave): Likewise.
6932 * function.c (prepare_function_start): Set
6933 cfun->preferred_stack_boundary
6934 * function.h (struct function): Add preferred_stack_boundary field.
6935 * integrate.c (expand_inline_function): Update
6936 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
6937 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
6938 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
6940 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
6942 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
6943 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
6944 cpp_pedwarn, cpp_pedwarn_with_line,
6945 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
6946 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
6947 v_cpp_error_with_line, v_cpp_warning_with_line,
6948 cpp_message_from_errno, cpp_perror_with_name): Delete.
6950 * cpperror.c (cpp_print_containing_files): Take starting
6952 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
6953 (v_cpp_message): Now called directly by all entry points.
6955 (cpp_pfatal_with_name, cpp_message): Delete.
6956 (cpp_notice_from_errno, cpp_ice): New functions.
6957 (cpp_notice): Is now for reporting error conditions, just
6958 without an associated file.
6959 (cpp_error, cpp_error_with_line): Don't do anything if
6960 opts->inhibit_errors is on.
6961 (cpp_pedwarn_with_file_and_line): Take column argument also.
6963 * cpplib.h: Update prototypes of exported functions.
6964 (struct cpp_options): Add inhibit_errors.
6966 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
6967 non-error messages. Include intl.h.
6969 * cppinit.c, cppmain.c: Likewise. Also, use
6970 cpp_notice_from_errno instead of cpp_perror_with_name or
6971 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
6973 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
6974 report internal errors.
6976 * cpplib.c (do_define): Switch bcopy to memcpy.
6977 Give cpp_pedwarn_with_file_and_line a dummy column argument.
6979 * cpplib.c (copy_rest_of_line): Revert previous change: don't
6980 bail out early if we hit a line comment.
6982 2000-02-06 Richard Henderson <rth@cygnus.com>
6984 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
6985 * basic-block.h: Declare them.
6986 * emit-rtl.h (active_insn_p): New.
6987 (next_active_insn, prev_active_insn): Use it.
6988 * rtl.h: Declare it.
6989 * function.c (emit_return_into_block): New.
6990 (thread_prologue_and_epilogue_insns): Insert return insns instead
6991 of epilogues when possible.
6992 * jump.c (jump_optimize_1): Remove code to insert a return insn
6993 on the fallthru to the exit block.
6995 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
6996 and for non-empty stack frames.
6997 * i386.md (return): Expand to return-pop as needed.
6999 2000-02-06 Richard Henderson <rth@cygnus.com>
7001 * simplify-rtx.c (simplify_relational_operation): Canonicalize
7002 constant to op1 for testing.
7004 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7006 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
7007 (fixuns_truncqfqi2): Use it.
7009 2000-02-06 Richard Henderson <rth@cygnus.com>
7011 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
7014 * i386.md (widening and peepholes): Mask the constant instead of
7017 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
7019 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
7020 input pointer before possibly branching off to the backslash
7022 * cpphash.c (macroexpand): Correctly delete \r escapes when
7023 stringifying parameters.
7024 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
7025 if we can; bail out early if we hit a line comment.
7026 (handle_directive): Treat '# 123' in an .S file just like
7027 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
7028 Return 1 for '# not_a_directive'.
7029 (get_directive_token): Pop macro buffers here, so that
7030 cpp_get_token can't sneakily move past a newline.
7032 (cpp_get_token): goto randomchar if handle_directive returns 0.
7034 * cppalloc.c: Update copyright.
7035 * cpplib.c: Merge all the static function prototypes into one
7037 * cpplib.h: Remove #if 0 block.
7039 * cpperror.c: Remove #ifdef EMACS block.
7040 * cppmain.c: Likewise.
7041 * cpphash.c: Remove #if 0 blocks.
7042 * cppinit.c: Remove #if 0 blocks, and the -lint option.
7043 * cpplib.c: Remove #if 0 blocks and code referencing
7044 pcp_inside_if or for_lint. Remove duplicate error message.
7045 Fix error messages for #else after #else or #elif. Reformat.
7046 Remove archaic TODO list.
7047 * cpplib.h: Remove pcp_inside_if and for_lint flags.
7049 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
7051 * i386/osf1elf.h: Add missing backslash to multiline string.
7053 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7055 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
7057 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7059 * Makefile.in (c-common.o): Depend on $(EXPR_H).
7061 * c-common.c: Include expr.h.
7063 * c-pragma.c (mark_align_stack): Add prototype.
7065 * caller-save.c (add_stored_regs): Likewise.
7067 * combine.c (record_promoted_value): Likewise.
7069 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
7072 * cppinit.c (new_pending_define): Likewise.
7074 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
7076 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
7077 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
7078 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
7079 class_scope_p): Likewise.
7081 * dwarf2out.h (dwarf2out_set_demangle_name_func,
7082 dwarf2out_add_library_unit_info): Likewise.
7084 * ggc.h (ggc_page_print_statistics): Likewise.
7086 * haifa-sched.c (propagate_deps): Likewise.
7088 * reg-stack.c (next_flags_user, record_label_references): Likewise.
7090 * rtl.h (set_stack_check_libfunc): Likewise.
7092 * toplev.h (set_fatal_function): Likewise.
7094 * toplev.c (set_fatal_function): Delete prototype.
7096 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
7098 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7100 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
7101 (FUNC_END): Likewise.
7103 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7105 * caller-save.c: Include tm_p.h.
7107 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7109 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
7111 2000-02-04 Neil Booth <NeilB@earthling.net>
7113 * cccp.c (main): Check 'dir' for a NULL pointer before passing
7116 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
7118 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
7119 * genflags.c: Use the max_operand_1 logic from genemit.c to
7120 calculate how many arguments gen_insn prototypes have. Remove
7121 NO_MD_PROTOTYPES ifdefs from the generated file.
7122 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
7123 file. Cast gen_insn initializers to insn_gen_fn.
7124 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
7125 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
7127 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7129 * fixinc/Makefile.in (HDR): Add machname.h.
7132 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7134 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
7135 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
7136 (c4x_cpu_version): Ditto.
7137 * config/c4x/c4x-protos.h: ... here.
7139 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
7141 * dwarf2out.c (add_abstract_origin_attribute): Don't call
7142 gen_abstract_function on our context if we're a nested function.
7144 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7146 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
7147 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
7149 2000-02-04 Bruce Korb <bkorb@gnu.org>
7151 * fixinc/genfixes(machname.h):
7152 Move the functionality from gen-machine.h into this file.
7153 UNdef MN_NAME_PAT if there are no names to change.
7154 Also, be a little kinder when AutoGen is not present.
7156 * fixinc/Makefile.in(machname.h):
7157 Change the generation rule to use genfixes.
7159 * fixinc/fixfixes.c(machine_name):
7160 machine_name_fix's functionality now dependent upon whether
7161 MN_NAME_PAT is defined.
7163 * fixinc/fixtests.c(machine_name):
7166 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
7169 * fixinc/fixlib.h(mn_get_regexps):
7172 * fixinc/gen-machine.h: DELETED
7174 2000-02-04 Jan Hubicka <jh@suse.cz>
7175 Richard Henderson <rth@cygnus.com>
7177 * i386.c (SAVE_REGS_FIRST): Remove.
7178 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
7179 (ix86_compute_frame_size): Likewise.
7180 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
7181 (ix86_emit_restore_regs): Remove.
7182 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
7183 when a frame pointer is in use.
7184 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
7185 instead of pop to restore a register when profitable; emit leave
7187 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
7189 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
7190 * i386.md (prologue_allocate_stack): Remove.
7191 (epilogue_deallocate_stack): Remove.
7192 (pro_epilogue_adjust_stack): New.
7194 2000-02-04 Richard Henderson <rth@cygnus.com>
7196 * function.c (diddle_return_value): Rework to use a callback function.
7197 Use current_function_return_rtx if it's been set up.
7198 (do_clobber_return_reg, clobber_return_register): New.
7199 (do_use_return_reg, use_return_register): New.
7200 (expand_function_end): Use them.
7201 * stmt.c (expand_null_return): Likewise.
7202 * function.h: Declare them.
7203 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
7204 (mark_reg): Change arguments as appropriate for callback.
7205 * integrate.c (expand_inline_function): Revert 19 Jan change.
7207 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
7209 * tm.texi (Values in Registers): Fix typo: "fo" "for".
7210 (Misc): Say the scheduler, not the Haifa scheduler.
7212 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
7214 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
7215 when in_mem is set. Update all callers.
7217 2000-02-04 Richard Henderson <rth@cygnus.com>
7219 * i386/openbsd.h (INT_ASM_OP): Define.
7221 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
7223 * tm.texi: Fix various typos.
7225 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
7227 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
7228 (MD_STARTFILE_PREFIX_1): New macro.
7230 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
7232 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
7233 destination when needed.
7234 (strmovsi, strsetsi): New expander.
7235 (strmovsi_1, strsetsi_1): New pattern.
7236 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
7237 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
7238 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
7239 * invoke.texi (align-stringops, inline-all-stringops): Document.
7241 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
7243 * i386/netbsd.h (INT_ASM_OP): Define.
7245 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
7247 * cpplib.h (cpp_reader): Add new flag, no_directives.
7248 * cpphash.c (macarg): Set it.
7249 * cpplib.c (handle_directive): If no_directives is on and we
7250 find a directive, issue an error and discard the line.
7252 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
7254 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
7255 FP constants. Add ! TARGET_FPU check for FP constants.
7257 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
7259 * flow.c (find_basic_blocks): Don't kill label_value_list
7261 (cleanup_cfg): Kill it here.
7263 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7265 * expr.c (store_field): Ensure ALIGN is no stricter than the
7268 2000-02-02 Richard Henderson <rth@cygnus.com>
7270 * jump.c (delete_insn): Partially revert 19 Jan change;
7271 don't convert unused code labels to notes at -O0.
7273 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7275 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
7276 split_all_insns to recreate REG_LABEL notes for flow2 pass.
7278 2000-02-01 Richard Henderson <rth@cygnus.com>
7280 * i386.c (general_no_elim_operand): New.
7281 (nonmemory_no_elim_operand): New.
7282 (ix86_expand_move): Copy eliminable operands before a push.
7283 * i386-protos.h: Declare new functions.
7284 * i386.h (CAN_ELIMINATE): Simplify.
7285 (PREDICATE_CODES): Update.
7286 * i386.md (push insns): Don't allow eliminable register operands.
7288 2000-02-01 Richard Henderson <rth@cygnus.com>
7290 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
7291 replace BLKmode with DECL_RTL's mode.
7293 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
7295 * frame.c (find_fde): Convert for loop to do-while so compiler
7296 sees it's always executed at least once.
7297 * libgcc2.c (BBINBUFSIZE): Kill.
7298 (__bb_init_prg): Use fgets.
7299 (__bb_exit_trace_func): Don't paste strings.
7300 * unroll.c (unroll_loop): Initialize unroll_type, not
7301 unroll_number, and tweak logic to match.
7303 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
7305 (ix86_flags_dependant): Likewise. Disentangle control flow.
7306 (ix86_sched_reorder): Break guts out to
7307 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
7308 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
7311 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
7312 use string concatenation. Don't save and restore esi.
7314 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
7315 (machname.h): Remove script to separate file. Use two-step
7316 sequence so target is not created if script fails.
7317 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
7318 identifiers are defined.
7319 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
7320 an empty string, machine_name doesn't need to do anything at
7322 (is_cxx_header): Add more cases to regexp.
7323 * fixinc/fixlib.h: Update prototype.
7324 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
7326 * fixinc/fixincl.c: Define NO_BOGOSITY.
7328 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
7329 (hp_sysfile): Add missing comma.
7330 (math_exception): Put the wrapper ifdefs at the beginning and
7331 the end of the file.
7332 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
7334 2000-02-01 Richard Henderson <rth@cygnus.com>
7336 * sparc.c (fp_zero_operand): Turn into a normal predicate.
7337 Use CONST0_RTX. Update all callers.
7338 * sparc.h, sparc-protos.h: Update accordingly.
7339 * sparc.md (fp mov insns): Use fp_zero_operand directly
7342 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
7344 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
7347 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7349 * Makefile.in (specs.ready): New target.
7350 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
7352 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7354 * fixinc.irix: Use unique filenames for writing into /tmp,
7355 * fixinc.ptx: Likewise.
7356 * fixinc.sco: Likewise.
7357 * fixinc.svr4: Likewise.
7358 * fixinc.winnt: Likewise.
7360 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7362 * tsystem.h: New file.
7364 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
7365 s-crtS): Depend on tsystem.h.
7367 * crtstuff.c: Include tsystem.h.
7368 * frame.c: Likewise.
7369 * libgcc2.c: Likewise.
7371 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
7373 * builtins.c (expand_builtin_memset): Expand for variable sized
7376 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
7378 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
7381 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
7383 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
7385 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
7387 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
7389 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
7390 case 3->2 combining (combining with splitting) in which 2 is CC0
7391 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
7392 checked at the begining of the function with the aid of calling
7393 function 'can_combine_p'.
7395 2000-01-31 Dave Brolley <brolley@redhat.com>
7397 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
7399 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
7401 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
7404 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7406 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
7408 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
7411 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
7413 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
7414 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
7415 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
7416 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
7417 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
7418 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
7419 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
7420 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
7421 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
7422 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
7424 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
7425 Add %(cpp_cpu) to CPP_SPEC.
7427 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
7428 Add %(cc1_cpu) to CC1_SPEC.
7430 2000-01-28 Ulrich Drepper <drepper@redhat.com>
7432 * c-decl.c (c_decode_option): Accept optional numeric argument to
7433 -Wformat and set warn_format.
7434 * c-common.c: Don't emit warning about non-constant printf format
7435 string unless warn_format > 1.
7437 2000-01-30 Richard Henderson <rth@cygnus.com>
7439 * alpha.md (return_internal): Allow after reload only.
7441 2000-01-30 Richard Henderson <rth@cygnus.com>
7443 * i386.c (ix86_compute_frame_size): Omit padding1 if the
7444 local frame size is zero.
7446 2000-01-30 Richard Henderson <rth@cygnus.com>
7448 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
7449 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
7450 * alpha.md (return): Turn into an expander.
7451 (return_internal): Don't use $26.
7452 (epilogue): Emit the return insn.
7454 2000-01-30 Richard Henderson <rth@cygnus.com>
7456 * alpha.md (negtf2, abstf2): Fix word order thinko.
7458 (trunctfsf2): Avoid intermediate rounding errors.
7460 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
7462 * cppfiles.c (find_position): Drop 'colp' argument, return the
7464 (read_and_prescan): Adjust to match. Don't ever manipulate
7465 line or line_base except via find_position.
7467 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
7469 * c-parse.in: Apply Ulrich's changes from c-parse.y.
7470 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
7473 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
7475 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
7476 just print "<command line>". If 'filename' is null or an
7477 empty string, print "<stdin>" for the filename.
7478 * cpplib.c (do_define): Don't print the 'location of the
7479 previous definition' message if we're still parsing the
7481 (cpp_pedwarn_with_file_and_line): Always call
7482 cpp_file_line_for_message.
7484 2000-01-29 Mark Mitchell <mark@codesourcery.com>
7486 * flow.c (mark_regs_live_at_end): Fix typo.
7488 2000-01-28 Ulrich Drepper <drepper@redhat.com>
7490 * c-common.c: Adjust variable names, comments, help strings to c99.
7491 * c-lex.c: Likewise.
7492 * c-parse.y: Likewise.
7493 * c-tree.h: Likewise.
7495 * cpplib.h: Likewise.
7496 * c-decl.c: Likewise. Recognize options with names "*99" as well.
7497 * cppinit.c: Likewise.
7499 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7501 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
7502 * c4x.c: Define the optab rtx values.
7503 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
7504 (c4x_emit_libcall): Use new optab rtx values.
7505 (c4x_emit_libcall3): Likewise.
7506 (c4x_emit_libcall_mulhi): Likewise.
7507 * c4x-protos.h: Add prototypes for optab rtx values and change
7508 prototypes for above c4x_emit_libcall functions.
7510 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7512 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
7514 (c4x_function_prologue): Use regnames intead of float_reg_names when
7516 (c4x_function_epilogue): Likewise.
7517 (c4x_print_operand): Likewise.
7518 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
7519 * c4x.md (set_high): Disable for TARGET_TI.
7521 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7523 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
7524 of framepointer + constant to ADDR_REGS class.
7525 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
7526 * c4x.c (std_or_reg_operand): New function.
7527 * c4x-protos.h (std_or_reg_operand): Prototype it.
7529 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7531 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
7532 object names as libgcc2.c.
7533 * libgcc.S: Use newly defined names.
7535 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
7536 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
7538 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
7539 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
7540 (FLOW_LOOP_LAST_BLOCK): Likewise.
7542 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7544 * basic-block.h (struct loop): New fields 'first' and 'last'.
7545 * flow.c (flow_loops_find): Compute loop->first and loop->last.
7546 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
7547 and loop->last to check for NOTE_INSN_LOOP_END.
7549 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
7551 * predict.c (estimate_probability): Use the new FIRST and LAST fields
7552 of the loop descriptor rather than HEADER and LATCH. Also added
7553 missing break statements as well making some coding style modifications
7554 as suggested by Michael Hayes.
7556 2000-01-28 Richard Henderson <rth@cygnus.com>
7558 * flow.c (find_basic_blocks): Remove do_cleanup argument.
7559 Break out that code ...
7560 (cleanup_cfg): ... here.
7561 (commit_one_edge_insertion): Detect a return instruction being
7562 emitted to an edge. Emit a barrier following; clear fallthru.
7563 (commit_edge_insertions): Verify CFG consistency.
7564 * function.c (expand_function_start): Kill unused variable.
7565 (expand_function_end): Likewise.
7566 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
7567 to insert the epilogue.
7569 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
7570 (delete_null_pointer_checks): Likewise.
7571 * output.h: Likewise.
7572 * reg-stack.c (reg_to_stack): Likewise.
7573 * toplev.c (rest_of_compilation): Likewise. Run
7574 thread_prologue_and_epilogue_insns after rebuilding the CFG.
7576 2000-01-28 Richard Henderson <rth@cygnus.com>
7578 * Makefile.in (flow.o): Revert 24 Jan change.
7579 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
7580 FUNCTION_VALUE result to DECL_RESULT's mode.
7582 * haifa-sched.c (schedule_insns): Don't recompute reg info
7585 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
7587 * configure.in: Make --enable-cpplib the default.
7588 * configure: Regenerate.
7589 * gcc.dg/990119-1.c: No longer expected to fail.
7591 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
7593 * jump.c (jump_optimize_1): Delete an optimization that is also done
7594 by merge_blocks in flow.
7596 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7598 * diagnostic.c (build_message_string, output_printf,
7599 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
7600 (build_location_prefix): Fix non-literal format string.
7602 2000-01-27 Richard Henderson <rth@cygnus.com>
7604 * alpha.md (trunctfsf2): New.
7606 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
7608 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
7610 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
7612 * cppinit.c (cpp_handle_option): Recognize C++ comments under
7614 * cpplib.c (skip_block_comment, skip_line_comment): Split code
7616 (skip_comment) ... here. Permit C++ comments in system
7617 headers always. Warn about C++ comments in user code under
7618 -std=gnu89 -pedantic.
7619 (copy_comment): Use skip_comment.
7620 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
7622 (consider_directive_while_skipping, do_else, do_endif): Call
7623 validate_else unconditionally.
7624 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
7625 text after the conditional in a system header.
7626 * cpplib.h (struct cpp_buffer): Add flag
7627 warned_cplusplus_comments.
7629 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
7631 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
7632 Use unshare_all_rtl_1.
7633 (unshare_all_rtl_again): New function.
7634 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
7636 * function.c (purge_addressof_1): Use unshare_all_rtl_again
7637 rather than resetting the 'used' flags ourself.
7639 * toplev.c (rest_of_compilation): Add current_function_decl
7640 to the unshare_all_rtl call.
7641 * tree.h: Prototype unshare_all_rtl.
7642 * rtl.h: Prototype unshare_all_rtl_again here.
7644 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
7646 * genoutput.c (output_prologue): Include ggc.h in generated
7648 * Makefile.in (insn-output.o): Depends on ggc.h.
7650 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
7651 Hans-Peter Nilsson <hp@bitrange.com>
7653 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
7654 Remove redundant include of xm-ns32k.h.
7655 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
7656 Remove redundant include of xm-ns32k.h.
7657 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
7658 Remove redundant include of xm-ns32k.h.
7659 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
7661 * ns32k/ns32k.h: Update comment on multiply-add instructions.
7662 (TARGET_SWITCHES): Add documentation strings.
7663 (DWARF_FRAME_REGNUM): Override default definition.
7664 (REG_CLASS_CONTENTS): Add comments.
7665 (SUBSET_P): Format to reduce line length.
7666 (SMALL_REGISTER_CLASSES): Make a run time option.
7667 (GO_IF_NONINDEXED_ADDRESS): Reformat.
7668 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
7669 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
7670 (regclass_map): fix typo in comment.
7671 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
7672 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
7673 (trace, reg_or_mem_operand): Delete, unused function.
7674 (calc_address_cost): Small offsets are cheaper than large ones.
7675 (expand_block_move): Generate more efficient code when bytes is a
7676 known at compile time.
7677 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
7678 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
7679 instead of reg_or_mem_operand.
7681 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
7682 not general_operand. Similarly use "=rm" or stricter, not "=g".
7683 For input operands, use stricter constraints than "g" if not
7684 general_operand. Similarly use stricter predicate than
7685 "general_operand" when stricter constraints than "g" are present,
7686 except for matching constraints.
7687 (movstrsi): Use "memory_operand" for operands 0 and 1.
7688 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
7689 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
7690 not reg_or_mem_operand.
7691 (udivmoddisi4): Ditto.
7692 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
7693 Use nonimmediate_operand for operand 3, not register_operand.
7694 (udivmoddiqi4_internal): Use register_operand for operand 1, not
7697 2000-01-27 Fred Fish <fnf@be.com>
7699 * gthr-posix.h: Fix typo; compatibily -> compatibility.
7700 * gthr-single.h: Likewise.
7701 * gthr-solaris.h: Likewise.
7702 * gthr-vxworks.h: Likewise.
7703 * gthr-win32.h: Likewise.
7706 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
7708 * cppinit.c: Add " (cpplib)" to end of string printed by
7711 2000-01-27 Richard Henderson <rth@cygnus.com>
7713 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
7714 testing for a signed comparison.
7715 (alpha_emit_floatuns): New.
7716 * alpha-protos.h: Declare it.
7717 * alpha.md (floatunsdisf2, floatunsdidf2): New.
7718 (extendsfdf2): Tidy.
7720 2000-01-27 Jakub Jelinek <jakub@redhat.com>
7722 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
7723 no -g option specifying debugging format, default to -gstabs+.
7725 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7727 * calls.c (special_function_p): New argument fork_or_exec.
7728 (expand_call): When profile_arc_flag is set and the function
7729 is in the fork_or_exec group, call __bb_fork_func first.
7730 * libgcc2.c, _bb module (__bb_fork_func): New function.
7731 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
7733 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
7734 * tree.h (special_function_p): Update prototype.
7736 2000-01-26 Richard Henderson <rth@cygnus.com>
7738 * alpha.c (alpha_split_tfmode_pair): New.
7739 * alpha-protos.h: Declare it.
7740 * alpha.md (abstf2, negtf2): New.
7741 (movtf insn): Add input G constraint.
7742 (movtf splitter): Use alpha_split_tfmode_pair.
7744 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7746 * i386/cygwin.h: PROTO -> PARAMS.
7748 2000-01-26 Jakub Jelinek <jakub@redhat.com>
7750 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
7751 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
7752 using _Qp_cmp/_Q_cmp and testing the return value.
7753 (print_operand): Call reverse_condition_maybe_unordered if
7754 we are handling CCFPmode or CCFPEmode.
7755 Handle ORDERED, UN* and LTGT comparisons.
7756 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
7757 if not TARGET_HARD_QUAD.
7758 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
7759 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
7760 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
7761 Adjust gen_b* calls so that they reflect return comparison of
7762 sparc_emit_float_lib_cmp.
7764 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7766 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
7767 incoming operands array is large enough for one more operand.
7768 (alpha_emit_xfloating_arith): Likewise.
7770 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
7772 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
7773 file with one line and no trailing newline.
7774 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
7775 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
7776 checking if the match is on the line.
7777 * fixinc/gnu-regex.c: Provide regerror not __regerror.
7779 2000-01-25 Richard Henderson <rth@cygnus.com>
7781 * sparc.c (output_cbranch): Fix accidental squashing of the
7782 fp branch pre-delay nop.
7784 2000-01-25 Richard Henderson <rth@cygnus.com>
7786 * tree.def (UNNE_EXPR): Remove.
7787 * c-typeck.c (build_binary_op): Don't handle it.
7788 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
7790 * rtl.def (UNNE): Remove.
7792 * jump.c (reverse_condition): Update accordingly.
7793 (swap_condition): Likewise.
7794 (comparison_dominates_p): Handle unordered comparisons.
7795 (reverse_condition_maybe_unordered): New.
7796 * rtl.h (reverse_condition_maybe_unordered): Declare.
7798 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
7799 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
7800 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
7801 * sparc.md (bltgt): New.
7803 2000-01-25 Nick Clifton <nickc@redhat.com>
7805 * emit-rtl.c (emit_insn): Only check machine class insns for
7806 improper emission of a RETURN.
7808 2000-01-25 Richard Henderson <rth@cygnus.com>
7810 * Makefile.in (flow.o): Depend on $(EXPR_H).
7811 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
7812 duplicate the structure of diddle_return_value for keeping regs live.
7814 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7816 * loop.c (current_loop_info): Delete.
7817 (consec_sets_invariant_p): Add loop argument, update callers.
7818 (get_condition_for_loop): Likewise.
7819 (count_nonfixed_reads, update_giv_derive): Likewise.
7820 (simplify_giv_expr, general_induction_var): Likewise.
7821 (consec_sets_giv, recombine_givs): Likewise.
7822 (move_movables): Delete loop_start and loop_end arguments,
7823 add loop argument, and update callers.
7824 (find_mem_givs, check_final_value): Likewise.
7825 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
7826 (loop_invariant_p): Rename from invariant_p, add loop argument, and
7828 (basic_induction_var): Add loop argument, delete loop_level argument,
7830 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
7831 add loop argument, and update callers.
7832 (find_splittable_regs, find_splittable_givs): Likewise.
7833 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
7834 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
7835 (biv_total_increment): Delete loop_start and loop_end arguments;
7837 (precondition_loop_p): Delete loop_start and loop_info arguments;
7839 * loop.h (get_condition_for_loop): Add loop argument.
7840 (biv_total_increment): Delete loop_start and loop_end arguments.
7841 (precondition_loop_p): Delete loop_start and loop_info arguments;
7843 (final_biv_value): Delete loop_start and loop_end arguments;
7845 (final_giv_value, back_branch_in_range_p): Likewise.
7847 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
7849 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
7851 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
7853 * Makefile.in (c-gperf.h) : Change the "See" pointer to
7854 point to the new "generated_files" doc.
7856 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
7858 * config/fp-bit.c (_unord_f2): Fix typo.
7860 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
7862 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
7863 c-typeck.c, objc/objc-act.c: Remove all references to obstack
7864 functions obsoleted by GC, such as push_obstacks_nochange,
7865 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
7866 and code which existed only to decide whether or not to call
7867 them. Remove now-unused NESTED argument from start_function;
7868 all callers changed. Do not change behavior based on ggc_p.
7869 The use of the ixp_obstack in c-iterate.c and the util_obstack
7870 in objc/objc-act.c remain; these are not obsoleted by garbage
7872 * c-tree.h: Update prototype for start_function.
7874 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
7876 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
7878 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
7881 2000-01-25 Richard Henderson <rth@cygnus.com>
7883 * sparc-protos.h (select_cc_mode): Declare.
7884 * sparc.c (select_cc_mode): New. Handle unordered compares.
7885 (output_cbranch): Always reverse via code change. Handle
7886 unordered compares. Factor tests and string updates.
7887 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
7888 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
7889 * sparc.md (bunordered, bordered): New.
7890 (bungt, bunlt, buneq, bunge, bunle): New.
7892 2000-01-25 Richard Henderson <rth@cygnus.com>
7894 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
7895 * ggc-common.c (ggc_add_rtx_varray_root): New.
7896 (ggc_mark_rtx_varray): New.
7897 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
7898 functions down below ggc_mark_foo.
7899 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
7901 2000-01-25 Richard Henderson <rth@cygnus.com>
7903 * alpha.c (secondary_reload_class): Don't allocate a secondary
7904 for integral mode memories into FLOAT_REGS. Rearrange the more
7905 complicated memory expression inward.
7907 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
7909 * inclhack.def: Fixes to play nicer with FreeBSD, and
7910 corrections to comments.
7911 (cxx_unready): Add select expression.
7912 (irix_sockaddr): Add bypass expression.
7913 (machine_ansi_h_va_list): New fix.
7914 (stdio_va_list): No need to edit _BSD_VA_LIST_.
7915 Split out addition of "#include <stdarg.h>" to...
7916 (stdio_stdarg_h): ... here.
7917 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
7918 to stdlib.h also. Do not munge _BSD_SIZE_T_.
7919 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
7921 (ultrix_ifdef): Tighten up select expression.
7923 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
7924 re_ct and max_mach to avoid use of shell. Make printed names
7925 match names in inclhack.def. Use static copyright date.
7926 Don't count c_test and test expressions as requiring regex_t
7927 slots. Add some commentary.
7928 * inclhack.tpl: Do not include the 'This script contains N
7929 fixup scripts' line if PROGRAM is defined. Use static
7932 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
7934 * dwarf2out.c: include "varray.h", not dyn-string.h.
7935 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
7936 (addr_const_to_string, addr_to_string): Lose.
7937 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
7938 (struct dw_val_struct): val_addr is now an rtx.
7939 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
7940 (used_rtx_varray): New varray.
7941 (dwarf2out_init): Initialize it.
7943 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
7945 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
7946 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
7947 * Makefile.in (dwarf2out.o): Update dependencies.
7949 2000-01-24 Richard Henderson <rth@cygnus.com>
7951 * i386.c (i386_dwarf_output_addr_const): New.
7952 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
7954 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
7956 * dwarfout.c (output_mem_loc_descriptor): Likewise.
7957 * i386.c (i386_simplify_dwarf_addr): New.
7958 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
7960 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
7962 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
7963 TYPE_STUB_DECL is NULL.
7965 2000-01-24 Richard Henderson <rth@cygnus.com>
7967 * builtins.c (expand_tree_builtin): Move ...
7968 * c-common.c (expand_tree_builtin): ... here.
7970 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7972 * loop.h (LOOP_INFO): New accessor macro.
7973 * basic-block.h (struct loop): Rename field `info' to `aux'.
7974 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
7975 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
7976 * unroll.c (loop_iterations, unroll_loop): Likewise.
7978 2000-01-24 Christopher Faylor <cgf@cygnus.com>
7980 * config/i386/t-cygwin: Accomodate new winsup directory layout
7981 when searching for include files.
7983 2000-01-24 Richard Henderson <rth@cygnus.com>
7985 * rtl.def: Add unordered fp comparisions.
7986 * tree.def: Likewise.
7987 * tree.h: Add ISO C 9x unordered fp comparision builtins.
7989 * builtins.c (expand_tree_builtin): New function.
7990 * c-typeck.c (build_function_call): Use it.
7991 (build_binary_op): Support unordered compares.
7992 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
7994 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
7995 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
7996 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
7997 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
7998 * jump.c (reverse_condition): Don't abort for UNLE etc, but
8000 (swap_condition): Handle unordered compares.
8001 (thread_jumps): Check can_reverse before reversing.
8002 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
8005 * optabs.c (can_compare_p): New argument CODE. Verify branch or
8006 setcc is present before acking for cmp_optab. Update all callers.
8007 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
8008 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
8009 * expr.c (expand_expr): Likewise. Support unordered compares.
8010 (do_jump, do_store_flag): Likewise.
8011 * expr.h (enum libfunc_index): Add unordered compares.
8013 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
8014 (DPBIT_FUNCS): Add _unord_df.
8015 * config/fp-bit.c (_unord_f2): New.
8016 * fp-test.c (main): Try unordered compare builtins.
8018 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
8019 * alpha.c (alpha_comparison_operator): Check mode properly.
8020 (alpha_swapped_comparison_operator): Likewise.
8021 (signed_comparison_operator): Likewise.
8022 (alpha_fp_comparison_operator): New.
8023 (alpha_emit_conditional_branch): Handle unordered compares.
8024 * alpha.h (PREDICATE_CODES): Update.
8025 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
8026 (bunordered, bordered): New.
8028 2000-01-24 Richard Henderson <rth@cygnus.com>
8030 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
8031 * alpha.md (movtf): New expander, insn, and splitter.
8033 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
8035 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
8038 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
8040 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
8041 (FIXED_REGISTERS, CALL_USED_REGISTERS,
8042 REG_ALLOC_ORDER): Add frame pointer
8043 (FRAME_POINTER_REGNUM): Set to 20
8044 (HARD_FRAME_POINTER_REGNUM): New macro.
8045 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
8046 to HARD_FRAME_POINTER.
8047 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
8048 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
8049 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
8050 (HI_REGISTER_NAMES): Add "frame".
8051 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
8052 (debug_reg): Handle FRAME_POINTER_REGNUM.
8053 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
8054 GENERAL_REGS and INDEX_REGS.
8055 * i386.c (SAVED_REGS_FIRST): new macro.
8056 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
8057 (ix86_decompose_address, memory_address_length): Likewise.
8058 (regclass_map): Add frame pointer.
8059 (call_insn_operand): Handle frame_pointer_rtx.
8060 (reg_no_sp_operand): Likewise.
8061 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
8062 (print_operand, legitimize_pic_address): Fix formating.
8063 (ix86_compute_frame_size): Make static, update prototype, new
8064 parameters padding1, padding2, use ix86_nsaved_regs, use
8065 stack_alignment_needed.
8066 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
8067 to HARD_FRAME_POINTER_REGNUM conversions.
8068 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
8069 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
8070 (print_reg): Abort on FRAME_POINTER_REGNUM
8072 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
8074 * i386.h (PREDICATE_CODES): Add aligned_operand.
8075 * i386.c (aligned_operand): New function.
8076 (ix86_aligned_p): Kill.
8077 * i386.md (movhi_1): Emit mov for aligned operands.
8078 (promoting peep2s): Use aligned_operand.
8080 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
8082 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
8083 expression to allow underscores in macro names.
8084 (fix_char_macro_defines): Increment scanning pointer.
8086 2000-01-23 Richard Henderson <rth@cygnus.com>
8088 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
8089 * alpha/osf5.h: New file.
8090 * configure.in (alpha-*-osf5): Add it to tm_file.
8092 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
8094 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
8095 (alpha_emit_xfloating_cvt, function_arg): Declare.
8096 * alpha.c (alpha_emit_conditional_branch): Call
8097 alpha_emit_xfloating_compare for TFmode compares.
8098 (alpha_lookup_xfloating_lib_func): New.
8099 (alpha_compute_xfloating_mode_arg): New.
8100 (alpha_emit_xfloating_libcall): New.
8101 (alpha_emit_xfloating_arith): New.
8102 (alpha_emit_xfloating_compare): New.
8103 (alpha_emit_xfloating_cvt): New.
8104 (print_operand): Add default abort case.
8105 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
8106 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
8107 (BIGGEST_ALIGNMENT): Increase to 128 bits.
8108 (RETURN_IN_MEMORY): True for TF/TCmode.
8109 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
8110 (FUNCTION_ARG): Move to function_arg.
8111 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
8112 (ASM_OUTPUT_LONG_DOUBLE): New.
8113 (ASM_OUTPUT_DOUBLE): Always output bits.
8114 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
8115 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
8116 (extenddftf2, trunctfdf2): New.
8118 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8120 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
8121 * config/sparc/sol2.h: ... here.
8123 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8125 * basic-block.h (struct loops): New field `levels'.
8126 * flow.c (flow_loops_level_compute): Traverse all outer loops.
8127 (flow_loop_level_compute): Initialise level to 1.
8128 (flow_loops_find): Set loops->levels.
8129 (flow_loops_dump): Print loops->levels.
8131 2000-01-23 Richard Henderson <rth@cygnus.com>
8133 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
8134 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
8136 2000-01-23 Richard Henderson <rth@cygnus.com>
8138 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
8139 * i386.h (DBX_REGISTER_NUMBER): Use them.
8140 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
8141 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
8142 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
8143 * i386/sequent.h: Kill incorrect comment.
8145 2000-01-23 Mark Mitchell <mark@codesourcery.com>
8147 * ggc-page.c (struct page_entry): Make `context_depth' an
8149 (struct globals): Likewise.
8151 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
8153 * loop.c (check_dbra_loop): When checking a loop for
8154 reversability, check the source of any stores to ensure
8155 they don't depend on an initial value.
8157 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8159 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
8161 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
8163 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
8164 'pz_scan' into scope of entire function. Only affects
8165 compiles with -DDEBUG.
8167 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
8169 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
8170 section naming to that prior to 2000-01-07 patch.
8171 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
8172 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
8173 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
8174 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
8175 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
8177 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
8179 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
8182 2000-01-21 Jim Wilson <wilson@cygnus.com>
8184 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
8185 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
8187 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
8189 * cpphash.c (change_newlines): Delete function.
8190 (struct argdata): Delete 'newlines' and 'use_count' fields.
8191 (macroexpand): Remove code referencing those fields.
8193 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8195 * loop.c (loops_info): New variable.
8196 (loop_optimize): Allocate loops->array and free it on exit.
8197 Allocate memory for loops_info and assign to each loop,
8199 (find_and_verify_loops): Do not allocate loops->array.
8201 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
8203 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
8205 2000-01-21 Jakub Jelinek <jakub@redhat.com>
8207 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
8208 pseudos if expanded after first flow.
8209 (movdi_pic_label_ref): Likewise.
8211 2000-01-20 Richard Henderson <rth@cygnus.com>
8213 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
8215 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
8217 * Makefile.in (fixinc.sh): Depend on specs.
8218 * fixinc/Makefile.in: Add rule to create machname.h.
8219 (fixlib.o): Depend on machname.h.
8220 * fixinc/fixtests.c (machine_name): New test.
8221 * fixinc/fixfixes.c (machine_name): New fix.
8222 * fixinc/fixlib.c (mn_get_regexps): New helper function for
8223 the machine_name test and fix.
8224 * fixinc/fixlib.h: Prototype it.
8225 * fixinc/inclhack.def (machine_name): Use the C test and fix.
8226 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
8228 * gcc.c (do_spec_1) [case P]: Take care not to create
8229 identifiers with three leading or trailing underscores.
8231 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
8232 (fixincl): Don't specify libraries twice on link line.
8233 (gnu-regex.o): Remove special rule.
8234 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
8235 defined by config.h. Do not define _REGEX_RE_COMP.
8236 (regcomp): Allocate and initialize a fastmap.
8237 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
8239 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
8241 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
8243 2000-01-19 Richard Henderson <rth@cygnus.com>
8245 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
8246 arguments with BB. Update all callers. Tidy line wrapping.
8248 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
8250 * emit-rtl.c (try_split): Return last_insn if we split the
8253 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
8255 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
8256 (ix86_initial_elimination_offset): Declare.
8257 * i386.c (ix86_nsaved_regs): Break out from ...
8258 (ix86_can_use_return_insn_p): ... here.
8259 (ix86_emit_save_regs): Break out from ...
8260 (ix86_expand_prologue): ... here.
8261 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
8263 (ix86_expand_epilogue): ... here.
8264 (ix86_compute_frame_size): Make static, add prototype.
8265 (ix86_initial_elimination_offset): Break out from ...
8266 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
8268 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8270 * recog.h (OUT_FCN): Delete.
8272 * vax.md: Call `get_insn_template' instead of OUT_FCN.
8274 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8276 * cppalloc.c: PROTO -> PARAMS.
8277 * cpperror.c: Likewise.
8278 * cppfiles.c: Likewise.
8279 * cpplib.c: Likewise.
8280 * cpplib.h: Likewise.
8282 * config/arm/arm-protos.h: PROTO -> PARAMS.
8283 * config/arm/arm.c: Likewise.
8284 * config/c4x/c4x.c: Likewise.
8285 * config/fr30/fr30-protos.h: Likewise.
8286 * config/nextstep.c: Likewise.
8287 * config/pa/pa.c: Likewise.
8288 * config/pj/pj.c: Likewise.
8289 * config/rs6000/rs6000.c: Likewise.
8290 * config/v850/v850-protos.h: Likewise.
8291 * config/v850/v850.c: Likewise.
8293 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8295 * i370-protos.h: New file.
8297 * i370.c: Include tm_p.h. Fix compile time warnings.
8299 * i370.h: Move prototypes to i370-protos.h. Fix compile time
8302 * i370.md: Likewise.
8304 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8306 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
8307 (target_isinf, target_isnan, eisnan): Mark parameter with
8309 (eiisinf): Wrap in INFINITY.
8310 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
8311 (ibmtoe): Remove unused variable `rndsav'.
8313 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8315 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
8316 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
8318 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
8320 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
8321 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
8322 (fix_char_macro_defines, fix_char_macro_uses): New functions.
8324 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
8325 Recognize Emacs mode markers also.
8326 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
8327 C++ comments in C++ headers. Call is_cxx_header only if
8330 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
8332 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
8333 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
8334 ... these, which use the new C fixes.
8335 (math_exception): Escape literal '+' in bypass expression.
8337 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
8340 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8342 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
8345 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8347 * loop.c (loop_optimize): Allocate loop_info structure for each loop
8348 prior to calling scan_loop.
8350 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8352 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
8353 (split_branches, calc_live_regs): Likewise.
8355 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8357 * sh.md (fpu_single, fp_mode): New attributes.
8359 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8361 * loop.c (current_loop_info): Renamed from loop_info_data
8362 and changed to a pointer.
8363 (loop_optimize): Allocate loop_info structure for each loop
8364 and initialise to zero.
8365 (scan_loop): Set current_loop_info.
8367 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
8370 2000-01-19 Richard Henderson <rth@cygnus.com>
8372 * stupid.c: Die die die.
8373 * Makefile.in (OBJS): Remove stupid.o.
8374 (stupid.o): Likewise.
8376 * except.c (emit_eh_context): Don't emit USEs for stupid.
8377 * explow.c (probe_stack_range): Likewise.
8378 * flags.h (obey_regdecls): Remove.
8379 * flow.c (find_basic_blocks): Don't run try_merge_blocks
8380 when not optimizing.
8381 (life_analysis): Limit data collection when not optimizing.
8382 (mark_regs_live_at_end): Always mark the return value registers.
8383 (mark_used_regs): Remove dummy RETURN case.
8384 (print_rtl_with_bb): Don't consult obey_regdecls.
8385 * function.c (use_variable, use_variable_after): Remove.
8386 (assign_parms): Consult optimize not obey_regdecls.
8387 (expand_function_start): Don't emit USEs for stupid.
8388 (expand_function_end): Likewise.
8389 * global.c (build_insn_chain): Export.
8390 * integrate.c (expand_inline_function): Kill return-value USE
8392 * jump.c (jump_optimize_1): Do simple jump optimizations and
8393 dead code elimination.
8394 (calculate_can_reach_end): Remove check_deleted argument.
8395 (delete_insn): Patch out insns even when not optimizing.
8396 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
8397 * rtl.h (use_variable, use_variable_after): Remove declarations.
8398 (build_insn_chain): Declare.
8399 * stmt.c (expand_value_return): Don't emit USEs for stupid.
8400 (expand_end_bindings): Likewise.
8401 (expand_decl): Likewise. Consult optimize not obey_regdecls.
8402 * toplev.c (obey_regdecls): Remove.
8403 (rest_of_compilation): Don't set it. Kill stupid in favour of
8404 flow1, local-alloc, and reload.
8405 (main): Don't set obey_regdecls.
8407 * config/nextstep.c (handle_pragma): Likewise.
8409 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
8411 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
8413 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8415 * alpha-protos.h: PROTO -> PARAMS.
8416 * alpha.c: Likewise.
8418 * h8300.c: Likewise.
8419 * i386-protos.h: Likewise.
8421 * m32r-protos.h: Likewise.
8424 * mips.md: Likewise.
8425 * gmon-sol2.c: Likewise.
8426 * sparc.c: Likewise.
8428 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8430 * ns32k-protos.h: New file.
8432 * ns32k.c: Fix compile time warnings.
8434 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
8437 * ns32k.md: Likewise.
8439 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8441 * vax-protos.h: New file.
8443 * vax.c: Fix compile time warnings.
8445 * vax.h: Move prototypes to vax-protos.h. Fix compile time
8450 * vaxv.md: Likewise.
8452 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8454 * romp-protos.h: New file.
8456 * romp.c: Fix compile time warnings.
8458 * romp.h: Move prototypes to romp-protos.h. Fix compile time
8461 * romp.md: Likewise.
8463 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8465 * we32k-protos.h: New file.
8467 * we32k.c: Fix compile time warnings.
8469 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
8472 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8474 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
8476 * except.c (eh_regs): Likewise.
8478 * final.c (output_operand): Likewise.
8480 * fold-const.c (target_isinf, target_isnan): Likewise.
8482 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8484 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
8485 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
8487 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
8489 (clrstrsi): Rewrite.
8490 (strsethi, strsetqi): New expanders.
8491 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
8492 (cmpstrsi): Emit compare insn before cmpstrsi_1
8493 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
8494 (strlensi_1): Likewise.
8495 (cmpstrsi_1): Likewise; do not output compare.
8496 (strlen expander): Do not unroll when optimizing for size.
8497 (*subsi3_carry): Rename to subsi3_carry
8498 (addqi3_cc): New pattern.
8499 * i386.h (processor_costs): Add move_ratio field.
8500 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
8501 * i386.c (*_cost): Set move_ratio.
8502 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
8503 (x86_expand_strlensi_1): Rewrite the main loop.
8505 2000-01-17 Richard Henderson <rth@cygnus.com>
8507 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
8508 * cse.c (find_comparison_args, fold_rtx): Likewise.
8509 * integrate.c (subst_constants): Likewise.
8510 * loop.c (get_condition): Likewise.
8512 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
8514 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
8516 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8518 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
8519 (RESTORE_WARN_FLAGS): Unpack it.
8520 Change semantic type of extension to ttype.
8521 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
8522 * c-parse.y, c-parse.c, objc/objc-parse.y,
8523 objc/objc-parse.c: Regenerate.
8525 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
8527 * fixinc/fixlib.c: Add copyright notice.
8528 (compile_re): New function.
8529 * fixinc/fixlib.h: Prototype compile_re.
8531 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
8532 Use compile_re to compile regular expressions.
8534 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
8535 where the pattern matched.
8537 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
8539 (ultrix_ansi_compat): Likewise.
8540 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
8542 (interactv_add2, interactv_add3): Delete.
8543 (x11_sprintf): Don't use filename glob.
8544 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
8547 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8549 * print-rtl.c: PROTO -> PARAMS.
8551 * reg-stack.c: Likewise.
8552 * resource.c: Likewise.
8553 * sdbout.h: Likewise.
8554 * simplify-rtx.c: Likewise.
8555 * stor-layout.c: Likewise.
8556 * stupid.c: Likewise.
8557 * xcoffout.c: Likewise.
8558 * xcoffout.h: Likewise.
8560 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8562 * toplev.c: PROTO -> PARAMS.
8563 * toplev.h: Likewise.
8566 * unroll.c: Likewise.
8567 * varasm.c: Likewise.
8568 * varray.c: Likewise.
8569 * varray.h: Likewise.
8571 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8573 * reload.c: PROTO -> PARAMS.
8574 * reload.h: Likewise.
8575 * reload1.c: Likewise.
8576 * reorg.c: Likewise.
8577 * resource.h: Likewise.
8580 * rtlanal.c: Likewise.
8581 * sbitmap.h: Likewise.
8582 * sdbout.c: Likewise.
8583 * stack.h: Likewise.
8585 * system.h: Likewise.
8587 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8589 * machmode.h: PROTO -> PARAMS.
8590 * mbchar.h: Likewise.
8591 * mips-tdump.c: Likewise.
8592 * mips-tfile.c: Likewise.
8593 * optabs.c: Likewise.
8594 * output.h: Likewise.
8595 * prefix.c: Likewise.
8596 * profile.c: Likewise.
8597 * protoize.c: Likewise.
8599 * recog.c: Likewise.
8600 * recog.h: Likewise.
8601 * regclass.c: Likewise.
8602 * regmove.c: Likewise.
8605 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8607 * ggc-common.c: PROTO -> PARAMS.
8608 * ggc-page.c: Likewise.
8609 * ggc-simple.c: Likewise.
8611 * global.c: Likewise.
8612 * graph.c: Likewise.
8613 * gthr-win32.h: Likewise.
8614 * haifa-sched.c: Likewise.
8615 * halfpic.h: Likewise.
8616 * integrate.c: Likewise.
8617 * integrate.h: Likewise.
8620 * local-alloc.c: Likewise.
8624 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8626 * genattr.c: PROTO -> PARAMS.
8627 * genattrtab.c: Likewise.
8628 * gencheck.c: Likewise.
8629 * gencodes.c: Likewise.
8630 * genconfig.c: Likewise.
8631 * genemit.c: Likewise.
8632 * genextract.c: Likewise.
8633 * genflags.c: Likewise.
8634 * gengenrtl.c: Likewise.
8635 * genopinit.c: Likewise.
8636 * genoutput.c: Likewise.
8637 * genpeep.c: Likewise.
8638 * genrecog.c: Likewise.
8640 2000-01-16 Mark Mitchell <mark@codesourcery.com>
8642 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
8644 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8646 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
8647 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
8648 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
8649 * configure, config.in: Rebuilt.
8651 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
8653 * config/i386/i386.md: Add peephole to merge successive stack
8656 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
8658 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
8659 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
8660 when walking backwards to find all the parameter loads when
8661 the basic block ends in a call.
8663 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8665 * loop.c (this_loop_info): Delete.
8666 (uid_loop): Add in place of uid_loop_num. All uses updated.
8667 (loop_number_exit_count): Delete and replace with entry in loop
8668 structure. All uses updated.
8669 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
8670 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
8671 (loop_outer_loop): Likewise.
8672 (loop_invalid, loop_number_exit_labels): Likewise.
8673 (loop_used_count_register): Delete and replace with entry in
8674 loop_info structure.
8675 (find_and_verify_loops): Add loops argument.
8676 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
8677 loop_end, etc. arguments with loop structure pointer. All callers
8679 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
8680 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
8681 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
8682 (insert_bct): Likewise.
8683 (basic_induction_var): New argument level.
8684 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
8685 vtop, and cont. Add used_count_register.
8686 (uid_loop): Delete declaration.
8687 (loop_number_exit_count): Likewise.
8688 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
8689 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
8690 (loop_outer_loop, loop_used_count_register): Likewise.
8691 (loop_invalid, loop_number_exit_labels): Likewise.
8692 (unroll_loop): Replace loop_start and loop_end arguments
8693 with loop structure pointer.
8694 (loop_precondition_p, loop_iterations): Likewise.
8695 Include basic-block.h.
8696 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
8697 with loop structure pointer.
8698 (loop_precondition_p, loop_iterations): Likewise.
8699 * basic-block.h (struct loop): New entries vtop, cont,
8700 cont_dominator, start, end, top, scan_start, exit_labels,
8702 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
8704 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8706 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
8708 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
8710 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
8712 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8714 * pdp11-protos.h: New file.
8716 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
8719 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
8722 * pdp11.md: Likewise.
8726 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8728 * mn10300-protos.h: New file.
8730 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
8733 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
8736 * mn10300.md: Likewise.
8738 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8740 * mn10200-protos.h: New file.
8742 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
8745 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
8748 * mn10200.md: Likewise.
8750 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8752 * h8300-protos.h: New file.
8754 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
8757 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
8760 * h8300.md: Likewise.
8762 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8764 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
8765 (asm_emit_uninitialised): Likewise.
8767 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
8769 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
8770 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
8772 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
8774 * config/mips/mips.c (override_options): Don't turn on extra
8775 alignment for mips16.
8777 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
8779 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
8780 eabi, and make sure queued POSTINCREMENT rtl is emitted at
8783 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
8785 * builtins.c (PAD_VARARGS_DOWN): Define.
8786 (std_expand_builtin_va_arg): Use the above macro.
8787 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
8788 * tm.texi (Register Arguments): Document the above macro.
8790 2000-01-14 Nick Clifton <nickc@cygnus.com>
8792 * emit-rtl.c (emit_insn): If checking is enabled, make sure
8793 that this function has not been used to emit a jump
8796 * jump.c (return_jump_1): Cope with being passed a null rtx.
8798 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8800 * eh-common.h: PROTO -> PARAMS.
8801 * emit-rtl.c: Likewise.
8802 * errors.c: Likewise.
8803 * errors.h: Likewise.
8804 * except.c: Likewise.
8805 * except.h: Likewise.
8806 * explow.c: Likewise.
8807 * expmed.c: Likewise.
8810 * final.c: Likewise.
8811 * fix-header.c: Likewise.
8813 * fold-const.c: Likewise.
8814 * function.c: Likewise.
8815 * function.h: Likewise.
8817 * gcov-io.h: Likewise.
8821 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8823 * sh-protos.h: New file.
8825 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
8826 Add static prototypes. Fix compile time warnings.
8828 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
8832 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8834 * arc-protos.h: New file.
8836 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
8839 * arc.h: Move prototypes to arc-protos.h. Fix compile time
8844 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8846 * dsp16xx-protos.h: New file.
8848 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
8851 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
8854 * dsp16xx.md: Likewise.
8856 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8858 * convex-protos.h: New file.
8860 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
8863 * convex.h: Move prototypes to convex-protos.h. Fix compile time
8866 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8868 * elxsi-protos.h: New file.
8870 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
8873 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
8876 * elxsi.md: Likewise.
8878 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
8880 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
8881 case for moving from HI/LO/HI_LO_REG. This makes the behavior
8882 match the comment for MIPS16.
8884 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
8886 * flow.c (split_edge): Do not call set_block_for_insn if we
8887 do not have a basic_block_for_insn structure.
8889 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
8890 and destination functions are 32bit aligned within the trampoline.
8891 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
8892 (TRAMPOLINE_ALIGNMENT): Define.
8894 * cse.c (cse_insn): When changing (set (pc) (reg)) to
8895 (set (pc) (label_ref)), verify the change creates a valid insn.
8897 * fr30.c (call_operand): Tighten and rework to match rules for
8898 call RTL expressions.
8899 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
8900 * fr30.md (call patterns): Improve constraints.
8902 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
8904 * fr30.c (fr30_expand_epilogue): Revert last change.
8905 Use emit_jump_insn for the return insn.
8907 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
8908 Stan Cox <scox@cygnus.com>
8910 * predict.c: New file. Preliminary infrastructure work for static
8911 branch prediction and basic block reordering.
8912 * basic-block.h: Add prototype for estimate_probability.
8913 * Makefile.in: Add rules for predict.o.
8915 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
8917 * fixincludes (va_list): Use __not_va_list__ for the dummy.
8918 * fixinc/*: Likewise.
8920 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8922 * cccp.c: PROTO -> PARAMS.
8924 * collect2.c: Likewise.
8925 * combine.c: Likewise.
8926 * convert.h: Likewise.
8928 * dbxout.c: Likewise.
8929 * dbxout.h: Likewise.
8930 * diagnostic.c: Likewise.
8931 * doprint.c: Likewise.
8932 * dwarf2out.c: Likewise.
8933 * dwarf2out.h: Likewise.
8934 * dwarfout.c: Likewise.
8935 * dwarfout.h: Likewise.
8936 * dyn-string.h: Likewise.
8938 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8940 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
8941 macro conditionals guarding use.
8943 * dwarf2out.c: Include "tm_p.h".
8945 * function.c (locate_and_pad_parm): Mark parameter with
8947 (expand_function_end): Likewise for variable `context'.
8949 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
8951 2000-01-13 Nick Clifton <nickc@cygnus.com>
8953 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
8954 register to prevent compile time warnings.
8956 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
8958 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
8959 to avoid -Wtraditional warning.
8961 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8963 * 1750a-protos.h: New file.
8965 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
8968 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
8971 * 1750a.md: Likewise.
8973 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8975 * a29k-protos.h: New file.
8977 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
8980 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
8983 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8985 * clipper-protos.h: New file.
8987 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
8990 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
8993 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8995 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
8997 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
8999 * configure.in (--enable-new-gxx-abi): New option.
9000 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
9001 * Makefile.in (GXX_ABI_FLAG): New variable.
9002 * configure: Regenerate.
9004 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9006 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
9007 * tm.texi (FORCE_STRUCT_BLK): Document.
9008 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
9010 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
9012 * config/ns32k/ns32k.md: Revert Jan 9 change.
9014 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
9015 to a mode-test, if the predicate is address_operand.
9017 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
9019 * combine.c (if_then_else_cond): Be careful about what kinds
9020 of RTL expressions are passed to operand_subword.
9022 * flow.c (split_edge): If we have to insert a new jump, make
9023 sure to associate it with a basic block.
9025 * flow.c (commit_one_edge_insertion): A block with one successor
9026 can end in a JUMP_INSN that is not a simplejump.
9028 2000-01-12 Robert Lipe <robertl@sco.com>
9030 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
9031 (BUILD_VA_LIST_TYPE): Define.
9032 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
9035 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
9037 * cccp.c (do_pragma): Add cast to (char *).
9039 2000-01-12 Richard Henderson <rth@cygnus.com>
9040 Fred Fish <fnf@be.com>
9041 Jason Merrill <jason@cygnus.com>
9043 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
9044 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
9045 * i386/beos-elf.h, i386/beos-pe.h: New files.
9047 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
9048 * cross-make (SYSTEM_HEADER_DIR): Define using
9049 CROSS_SYSTEM_HEADER_DIR.
9051 * gcc.c (LIBRARY_PATH_ENV): Provide default.
9052 (process_command): Use it.
9053 (main): Likewise. Kill trailing = from env vars.
9054 (build_search_list): Put it back.
9055 * collect2.c (main): Use LIBRARY_PATH_ENV.
9057 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
9058 * toplev.c: Use NEED_DECLARATION_ENVIRON.
9060 * tm.texi (Frame Layout): Document SMALL_STACK.
9061 * c-common.c (c_common_nodes_and_builtins): Check it.
9063 * system.h: Undef alloca after including glibc's <stdlib.h>,
9064 if USE_C_ALLOCA is defined.
9066 * gcc.c (set_input): New fn.
9067 (main): After all input files are compiled, reset the input file
9070 * aclocal.m4 (rindex, index): If already defined, don't attempt
9073 * ginclude/varargs.h: (__va_list__): Define ifndef.
9074 * ginclude/stdarg.h: Likewise.
9076 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
9077 instead of unsigned char.
9079 * hash.h (true, false, boolean): Undef before enum.
9081 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
9082 proper type of "HOST_WIDE_INT *", rather than their natural type of
9083 "unsigned HOST_WIDE_INT *".
9085 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9087 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
9089 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
9091 * regclass.c (choose_hard_reg_mode): Likewise.
9093 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
9095 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
9097 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9099 * c-common.c: PROTO -> PARAMS.
9100 * c-common.h: Likewise.
9101 * c-decl.c: Likewise.
9102 * c-iterate.c: Likewise.
9103 * c-lang.c: Likewise.
9104 * c-lex.c: Likewise.
9105 * c-lex.h: Likewise.
9106 * c-parse.in: Likewise.
9107 * c-pragma.c: Likewise.
9108 * c-pragma.h: Likewise.
9109 * c-tree.h: Likewise.
9110 * c-typeck.c: Likewise.
9111 * objc/objc-act.c: Likewise.
9112 * objc/objc-act.h: Likewise.
9114 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9116 * m88k-protos.h: New file.
9118 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
9121 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
9123 * m88k.md: Likewise.
9125 * tekXD88.h: Likewise.
9127 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9129 * m68k-protos.h: New file.
9131 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
9134 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
9136 * mot3300.h: Likewise.
9138 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
9140 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
9142 (extract_bitlist): Declare bitlen.
9144 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
9146 * cccp.c: Accept and ignore -lang-fortran.
9148 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
9149 qualifiers don't match at any level of pointerness.
9151 2000-01-12 Robert Lipe <robertl@sco.com>
9153 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
9155 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
9157 * reload1.c (reload_reg_unavailable): New static variable.
9158 (reload_reg_free_p): Test it.
9159 (reload_reg_free_for_value_p): Test it instead of
9161 (choose_reload_regs_init): Compute it.
9163 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
9165 * reorg.c (fill_slots_from_thread): Check modified_in_p
9168 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
9170 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
9171 these nodes even if INTERNALS is not set.
9173 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
9175 * gcse.c (delete_null_pointer_checks_1): Cope when
9176 get_condition cannot determine the condition.
9178 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
9180 * toplev.h (set_message_length): Declare.
9182 * diagnostic.c (obstack_chunk_alloc): Define macro.
9183 (obstack_chunk_free): Likewise.
9184 (struct output_buffer): New data structure.
9186 (output_maximum_width): New variable.
9187 (doing_line_wrapping, set_message_length, init_output_buffer,
9188 get_output_prefix, output_space_left, emit_output_prefix,
9189 output_newline, output_append, output_puts, dump_output,
9190 vbuild_message_string, build_message_string, build_location_prefix,
9191 voutput_notice, output_printf, line_wrapper_printf,
9192 vline_wrapper_message_with_location): New functions. Implement
9193 automatic line wrapping.
9194 (v_message_with_decl): Make it handle automatic line wrapping.
9195 (v_error_with_file_and_line): Likewise.
9196 (v_warning_with_file_and_line): Likewise.
9197 (announce_function): Likewise.
9198 (default_print_error_function): Likewise.
9200 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
9202 * cpplib.h (struct cpp_options): Change lang_asm to char.
9204 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
9205 done in cpp_handle_option now.
9206 (initialize_builtins): Take out special case code used only by
9208 (cpp_handle_option): Turn off trigraphs and trigraph warnings
9209 if -traditional. Recognize -lang-fortran and set
9210 lang_fortran, also turn off cplusplus_comments.
9211 (print_help): Document -lang-fortran.
9212 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
9213 lang_asm. Ignore all directives other than `# 123 "file"' if
9215 (cpp_get_token): If -traditional, don't recognize directives
9216 unless the # is in column 1.
9217 (parse_string): If lang_fortran or lang_asm, silently
9218 terminate strings ('' or "") at end of line.
9219 Remove unnecessary braces.
9221 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9222 Richard Henderson <rth@cygnus.com>
9224 * resource.c (mark_referenced_resources): Mark a set strict_low_part
9226 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
9227 strict_low_part when possible.
9229 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9231 * alias.c: PROTO -> PARAMS.
9232 * basic-block.h: Likewise.
9233 * bitmap.c: Likewise.
9234 * bitmap.h: Likewise.
9235 * builtins.c: Likewise.
9236 * c-aux-info.c: Likewise.
9237 * caller-save.c: Likewise.
9238 * calls.c: Likewise.
9240 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9242 * Makefile.in (toplev.o): Depend on regs.h.
9244 * output.h (tdesc_section): Prototype.
9246 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
9248 * sdbout.c: Include "tm_p.h".
9250 * toplev.c: Include "regs.h".
9252 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
9254 * unroll.c (unroll_loop): Add EH support.
9256 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9258 * pa-protos.h: New file.
9260 * pa.c: Include recog.h and tm_p.h.
9261 (compute_zdepwi_operands, compute_movstrsi_length,
9262 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
9263 find_addr_reg, import_milli): Add static prototypes.
9264 (pa_cpu_string, pa_arch_string): Constify a char*.
9265 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
9266 (read_only_operand): Add argument `mode'.
9267 (singlemove_string, output_move_double, output_fp_move_double,
9268 output_block_move, output_and, output_ior, output_ascii,
9269 remove_useless_addtr_insns, milli_names, output_mul_insn,
9270 output_div_insn, output_mod_insn, output_arg_descriptor,
9271 output_cbranch, output_bb, output_bvb, output_dbra, ,
9272 output_millicode_call, output_call, hppa_encode_label,
9273 output_parallel_movb, output_parallel_addb): Constify a char*.
9274 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
9275 (output_parallel_addb): Remove extra arg to `constrain_operands'
9277 * pa.h: Move all prototypes to pa-protos.h.
9278 (pa_cpu_string, pa_arch_string): Constify a char*.
9279 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
9281 * pa.md: Call `function_label_operand' with mode argument.
9282 Likewise for `read_only_operand'.
9283 Fix nesting of parens in call to `symbolic_operand'.
9285 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9287 * i860-protos.h: New file.
9289 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
9292 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
9294 * i860.md: Likewise.
9296 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
9298 * i386.md (movstrsi expander): Rewrite.
9299 (movstrsi_1 insn): Deleted.
9300 (strmovhi, strmovqi expander): New expanders.
9301 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
9302 * i386.c (x86_single_stringop): New global variable.
9303 * i386.h (x86_single_stringop): Declare.
9304 (TARGET_SINGLE_STRINGOP): New macro.
9306 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
9308 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
9309 integer vararg POSTINCREMENT before the destination of the jump
9310 for the hard fp case.
9311 (function_arg_pass_by_reference): Pass a copy of CUM to
9314 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
9315 for CONSTANT_ADDRESS_P above while loop for subreg.
9317 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
9319 * flow.c (propagate_block): When a prologue/epilogue insn
9320 is marked dead, unconditionally clear libcall_is_dead and
9321 insn_is_dead, and only dump rtl if warnings aren't being
9324 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
9326 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
9327 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
9328 (FIXED_REGISTERS): Set dirflag as fixed.
9329 (CALL_USED_REGISTERS): Set dirflag as used.
9330 (REG_ALLOC_ORDER): Set dirflag as last one.
9331 (DIRFLAG_REG): New macro.
9332 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
9333 (HI_REGISTER_NAMES): Add dirflag.
9334 (DEBUF_PRINT_REG): Handle dirflag.
9335 * i386.md (type attribute): New cld and str types.
9336 (length_opcode attribute): Set cld and str to 1.
9337 (memory attribute): Set str to unknown - it is not clear from the
9339 (pent_np function unit): Prefixed string operations takes 12 cycles
9340 minimally; cld takes 2 cycles.
9341 (ppro_uops attribute): Str is "many" and cld is "few".
9342 (ppro_p0 unit): Handle cld here.
9343 (k6_alux unit): Handle cld and str types.
9344 (k6_load unit): It is ocupied by str opcodes.
9345 (k6_store unit): It is ocupied by str opcodes.
9346 (athlon_decode): Str is vector decoded.
9347 (athlon_ieu): Handle str and cld.
9349 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
9350 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
9351 cmpstrsi_nz_1 insn): Do not output cld instruction
9353 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
9355 * gcc.texi (G++ and GCC): Add Java and Chill.
9356 (Bug Critera): Don't list languages.
9358 * gcc.texi (Incompatibilities): No longer claim most C compilers
9361 * gcc.texi (G++ and GCC): Update other front-ends list.
9363 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
9365 * i386.c (ix86_expand_setcc): Fix typo.
9366 (ix86_expand_movcc): Similarly.
9368 * Band-aid until haifa's bitset implementation is nuked.
9369 * haifa-sched.c (extract_bitlst): New parameter for size of the
9370 bitset in bits. All callers changed. Avoid looking at undefined
9372 (edgeset_bitsize): New variable.
9373 (schedule_region): Initialize edgeset_bitsize.
9375 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9377 * Makefile.in (optabs.o): Depend on real.h
9378 (resource.o): Depend on insn-attr.h
9380 * builtins.c (result_vector): Wrap prototype in macro conditions
9381 governing definition and use.
9383 * c-common.c: Include tm_p.h.
9385 * c-lex.c: Likewise.
9387 * elfos.h: Constify a char*.
9389 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
9390 (get_attr_length, shorten_branches, profile_after_prologue): Mark
9391 parameter with ATTRIBUTE_UNUSED.
9393 * fold-const.c (exact_real_inverse): Wrap variable `i' in
9396 * haifa-sched.c (schedule_insns): Mark parameter with
9399 * optabs.c: Include real.h.
9401 * real.h (ereal_atof): Add prototype arguments.
9403 * resource.c: Include insn-attr.h.
9405 * sdbout.c (sdbout_queue_anonymous_type,
9406 sdbout_dequeue_anonymous_types): Wrap in macro
9407 SDB_ALLOW_FORWARD_REFERENCES.
9408 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
9411 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
9413 * stupid.c: Include tm_p.h.
9415 * tree.c (real_value_from_int_cst): Mark parameter with
9418 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9420 * i960-protos.h: New file.
9422 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
9425 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
9427 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9429 * combine.c (expand_field_assignment): Do not discard SUBREGs
9430 while computing nonzero_bits.
9432 2000-01-09 Nick Clifton <nickc@cygnus.com>
9434 * config/arm/arm.c: Fix compile time warnings about signed vs
9436 * config/arm/arm.h: Fix compile time warnings about signed vs
9439 2000-01-09 Philip Blundell <philb@gnu.org>
9441 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
9442 than `ldm' with only one register.
9443 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
9446 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
9449 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
9451 * config/ns32k/ns32k.md (load or push effective address): Operand 1
9454 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9456 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
9457 assignment used as truth value.
9459 * function.c (assign_temp): Mark parameter `dont_promote' with
9460 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
9461 PROMOTE_FOR_CALL_ONLY.
9463 * genrecog.c (write_subroutine): Mark variable `operands' with
9466 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
9469 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
9470 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
9472 * toplev.c (note_deferral_of_defined_inline_function): Likewise
9475 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9477 * config/c4x.h: Tidy up comments.
9478 * config/c4x.c: Likewise.
9480 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
9482 * fold-const.c (lshift_double, rshift_double): Handle
9483 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
9485 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9487 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
9488 in prepare_function_start().
9490 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
9492 * config/v850/v850.c (expand_epilogue): Interrupt functions no
9493 longer allocate extra stack for function calls.
9495 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9497 * config/c4x/c4x.md (*subqf3_set): Fix typo.
9499 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9501 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
9503 2000-01-07 David Edelsohn <edelsohn@gnu.org>
9505 * rs6000.c (processor_target_table): Add power3 as alias for 630.
9506 * aix43.h: Revert Aug 2 change.
9507 (HAS_INIT_SECTION): Define, not visible yet.
9508 (LD_INIT_SWITCH): Define, not visible yet.
9509 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
9511 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
9513 * collect2.c (main): Expand ld2 size further.
9514 (export_object_lst): Cast assignment to avoid warning.
9515 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
9516 (scan_prog_file, COFF): Do not collect initialization or
9517 finalization functions generated for entire shared object if
9518 init/fini support present.
9520 2000-01-07 Nick Clifton <nickc@cygnus.com>
9522 * config/elfos.h: Tidy up formatting of marcos. Make sure
9523 that .section directives are always prefixed by a tab.
9525 * config/svr4.h: Add #include "elfos.h" and remove duplicate
9528 2000-01-07 Matt Austern <austern@sgi.com>
9530 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
9533 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
9535 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
9537 (crtbegin.o, s-crtS): Likewise.
9539 2000-01-06 Richard Henderson <rth@cygnus.com>
9541 * alpha.md (adddi_2+1): Limit offset such that it will be
9542 loadable with a single ldah+lda pair.
9543 (adddi_2+2): Explicitly fail split if we can't make it work.
9545 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
9547 * protoize.c: Conditionally include unistd.h.
9548 (IS_SAME_PATH_CHAR): New macro.
9549 (IS_SAME_PATH): New macro.
9550 (CPLUS_FILE_SUFFIX): New macro.
9551 (cplus_suffix): New static variable.
9552 (is_abspath): New static function.
9553 (in_system_include_dir): Handle DOS style pathnames.
9554 (file_could_be_converted): Likewise.
9555 (file_normally_convertible): Likewise.
9556 (directory_specified_p): Likewise.
9557 (file_excluded_p): Likewise.
9558 (abspath): Likewise.
9559 (shortpath): Likewise.
9560 (referenced_file_is_newer): Likewise.
9561 (save_def_or_dec): Likewise.
9562 (do_processing): Likewise.
9564 (edit_file): Likewise. Use rename instead of link.
9565 (rename_c_file): Likewise. Don't rename syscalls file.
9566 (munge_compile_params): Define null device for DOS based systems.
9567 (process_aux_info_file): Use binary mode if appliable.
9568 (edit_file): Likewise.
9569 * invoke.texi (Running Protoize): Document C++ suffixes used.
9571 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
9572 IS_DIR_SEPARATOR macros.
9573 * collect2.c: Likewise.
9574 * cppinit.c: Likewise.
9575 * dwarf2out.c: Likewise.
9578 * prefix.c: Likewise.
9580 * toplev.c: Likewise.
9581 * system.h: And move to here.
9583 * prefix.c (update_path): Fix typo in variable name.
9585 2000-01-06 Richard Henderson <rth@cygnus.com>
9587 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
9588 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
9589 (count_reg_sets_1, count_reg_references): Likewise.
9590 (flow_loops_level_compute): Start counting actual loop depth at 1.
9591 (flow_loops_find): Likewise.
9592 * local-alloc.c (update_equiv_regs): Likewise.
9593 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
9595 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
9597 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
9598 FIRST_PSEUDO_REGISTER
9599 * dwarf2out.c: Don't include frame.h
9600 * dwarfout.c: Likewise
9601 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
9604 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
9606 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9609 * i386.c (movsf splitter): Fix typo in my last checkin.
9611 2000-01-05 Nick Clifton <nickc@cygnus.com>
9613 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
9614 own definition of this macro.
9615 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
9616 flag_data_sections or UNIQUE_SECTION_P are true.
9618 * tm.texi (UNIQUE_SECTION): Document that it can be called for
9619 unitialised data decls.
9621 * config/i386/winnt.c (i386_pe_unique_section): Cope with
9622 being called for uninitialised data.
9624 * config/i386/interix.c (i386_pe_unique_section): Cope with
9625 being called for uninitialised data.
9627 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
9628 for uninitialised data.
9630 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
9631 for uninitialised data.
9633 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
9634 for uninitialised data.
9636 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
9637 (UNIQUE_SECTION_P): Always generate a unique section if
9638 flag_data_sections is true.
9639 (UNIQUE_SECTION): Also generate unique sections for
9641 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
9642 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
9645 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9647 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
9650 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9652 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
9653 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
9654 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
9655 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
9656 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
9658 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
9660 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
9662 * c-decl.c (finish_enum): Simplify code to determine minimum and
9663 maximum values of the enum, and calculate the type. Remove check
9664 for FUNCTION_DECLs in the values list, which cannot happen. Replace
9665 the DECL_INITIAL of each enumeration constant with a copy converted
9666 to the enumeration type. When updating variant types, don't bother
9667 updating the type itself.
9669 * c-typeck.c (build_binary_op): Simplify conditional expressions
9670 when weeding out spurious signed-unsigned warnings. Add new
9671 spurious warning category: if the unsigned quantity is an enum
9672 and its maximum value fits in signed_type(result_type). Update
9674 (build_conditional_expr): Warn here if one alternative is signed
9675 and the other is unsigned.
9677 2000-01-05 Nick Clifton <nickc@cygnus.com>
9679 * config/fr30/fr30.h: Remove extraneous comments.
9681 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
9683 * reload1.c (choose_reload_regs): When disabling a reload, also
9684 set reload_spill_index to -1.
9686 2000-01-04 Joel Sherrill (joel@OARcorp.com>
9688 * configure.in (m68*-*-rtemscoff*): New target, formal name for
9690 (m68*-*-rtemself*): New target.
9691 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
9692 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
9693 (sparc*-*-rtemself*): New target.
9694 (sparc*-*-rtems*): Now elf not a.out.
9695 * config/i386/rtems.h: Include config/rtems.h.
9696 * config/i386/rtemself.h: Include config/rtems.h.
9697 * config/i960/rtems.h: Include config/rtems.h.
9698 * config/m68k/rtems.h: Include config/rtems.h.
9699 * config/m68k/rtemself.h: Include config/rtems.h.
9700 * config/mips/rtems64.h: Include config/rtems.h.
9701 * config/pa/rtems.h: Include config/rtems.h.
9702 * config/rs6000/rtems.h: Include config/rtems.h.
9703 * config/sh/rtems.h: Include config/rtems.h.
9704 * config/sh/rtemself.h: Include config/rtems.h.
9705 * config/sparc/rtems.h: Include config/rtems.h.
9706 * config/sparc/rtemself.h: Include config/rtems.h
9708 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
9710 * final.c (shorten_branches): Correctly compute length of
9711 asms without operands.
9713 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
9715 * configure.in: Add pj target.
9716 * configure: Regenerate.
9717 * config/pj: New directory.
9718 * config/pj/lib1funcs.S: New file.
9719 * config/pj/linux.h: New file.
9720 * config/pj/pj.c: New file.
9721 * config/pj/pj.md: New file.
9722 * config/pj/pjl.h: New file.
9723 * config/pj/t-pj: New file.
9724 * config/pj/xm-pj.h: New file
9726 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
9728 * toplev.c (rest_of_compilation): Run shorten-branches before
9731 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9733 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
9734 macros so that they're consistent with their names.
9735 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
9736 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
9738 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9740 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
9741 modified inadvertently.
9743 2000-01-04 Joel Sherrill <joel@OARcorp.com>
9745 * configure.in (v850*-*-rtems*): New target.
9746 * configure: Regenerate.
9747 * config/v850/rtems.h: New file.
9749 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
9751 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
9752 (__gthread_key_create): Likewise.
9753 (__gthread_key_dtor): Likewise.
9754 (__gthread_once): Fix logic.
9755 (__gthread_key_delete): Cast away constness.
9757 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
9758 * invoke.texi: Document.
9759 * i386/mingw32.h (CPP_SPEC): Use.
9760 (LIBGCC_SPEC): Likewise.
9761 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
9763 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9765 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
9766 (HANDLE_PRAGMA_PACK): Undefine.
9767 (SLOW_UNALIGNED_ACCESS): Define.
9769 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9771 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
9772 to default definition.
9773 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
9774 (store_fixed_bit_field): Call macro with word_mode and alignment.
9775 (extract_bit_field): Call macro with relevant mode and alignment.
9776 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
9777 to default definition.
9778 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
9780 (move_by_pieces_ninsns): Likewise.
9781 (clear_by_pieces): Likewise.
9782 (emit_push_insn): Likewise.
9783 (store_field): Call macro with relevant mode and alignment.
9784 (expand_expr): Likewise.
9785 (expand_expr_unaligned): Likewise.
9787 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
9788 (SLOW_UNALIGNED_ACCESS): Define.
9789 (CASE_VECTOR_MODE): Always use 32-bit offsets.
9790 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
9791 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
9792 (toc_section): Likewise and .toc pseudo-op.
9793 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
9795 (TEXT_SECTION_ASM_OP): Likewise.
9796 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
9799 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
9800 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
9801 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
9802 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
9803 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
9805 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
9807 * regclass.c: Revert my Jan 4 change to loop cost computation.
9809 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
9811 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
9814 2000-01-04 Stan Cox <scox@cygnus.com>
9816 * haifa-sched.c (build_control_flow): Change unreachable simple
9817 loop test to check if current block has only one predecessor.
9818 (find_rgns): Initialize degree. Use dest as degree index, not src.
9820 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9822 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
9824 * calls.c (expand_call): Likewise for
9825 `old_stack_arg_under_construction'.
9827 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
9829 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
9832 * gcc.c (execute): Likewise for `ut' and `st'.
9834 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
9836 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
9838 * jump.c (jump_optimize_1): Likewise for `temp2'.
9840 * local-alloc.c (block_alloc): Likewise for `r1'.
9842 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
9844 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
9845 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
9847 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
9850 * reload.c (find_reloads): Likewise for `goal_alternative_number'
9851 and `goal_earlyclobber'.
9853 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
9855 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
9857 * stupid.c (stupid_life_analysis): Likewise for `chain'.
9859 * unroll.c (copy_loop_body): Likewise for `copy'.
9861 * varasm.c (output_constructor): Likewise for `byte'.
9863 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
9865 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
9866 all FP constants for constant->reg moves.
9867 (ix86_split_to_parts): Try to convert memory address into immediate
9868 when available in the constant pool.
9869 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
9871 (LEGITIMATE_CONSTANT_P): Return 1.
9872 * i386.md (pushsf): New splitter to convert constant pool memory
9873 reference to immediate.
9874 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
9877 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
9879 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
9880 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
9881 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
9882 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
9883 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
9885 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
9887 * ginclude/stdbool.h: Support compilation as C++.
9889 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9891 * fold-const.c (make_range): Don't try to reverse an unbounded range.
9893 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
9895 * regclass.c (regclass): Properly compute loop_cost. Adjust
9898 * regclass.c: Fix minor whitespace problems.
9900 2000-01-03 Anthony Green <green@cygnus.com>
9902 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
9903 Restore the pic register if required.
9905 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
9907 * c-common.c (format_char_info): Update comment.
9908 (check_format_info): Recognize 'z' modifier in the same way 'Z'
9909 was recognized. Emit warning for formats new in ISO C99 only
9910 if flag_isoc9x is not set.
9912 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
9914 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
9916 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
9918 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
9919 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
9920 (make_compound_operation): Choose cheaper alternative between
9921 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
9923 * regclass.c (op_costs): Remove global variable.
9924 (record_reg_classes): New parameter "op_costs" and "reg_pref".
9925 (record_operand_costs): Break out from ...
9926 (scan_one_insn): ... here.
9927 (dump_regclass): Make dumps nicer.
9928 (regclass): Dump preferrences choosed and changes done during passes.
9930 2000-01-03 Jakub Jelinek <jakub@redhat.com>
9932 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
9934 2000-01-03 Jakub Jelinek <jakub@redhat.com>
9936 * config/sparc/sparc.c (gen_df_reg): New function.
9937 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
9938 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
9939 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
9940 movtf_cc_reg_sp64+1): Use it.
9942 2000-01-02 Mark Mitchell <mark@codesourcery.com>
9944 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
9947 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9949 * config/i386/i386.c (ix86_expand_unary_operator): Function
9950 definition made void.
9951 (ix86_expand_binary_operator): Update outdated preceding comment.
9952 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
9955 * config/i386/i386.c (override_options): Fix option-name typo.
9957 2000-01-02 Mark Mitchell <mark@codesourcery.com>
9959 * system.h (CEIL): Define.
9960 * builtins.c (CEIL): Remove.
9961 * expmed.c (CEIL): Likewise.
9962 * expr.c (CEIL): Likewise.
9963 * stor-layout.c (CEIL): Likewise.
9965 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9967 * expr.c (store_constructor_field): Fix typo introduced with last
9970 2000-01-01 Mark Mitchell <mark@codesourcery.com>
9972 * tree.h (BINFO_N_BASETYPES): New macro.
9974 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
9976 * expmed.c (emit_store_flag): Prevent losing a pending stack
9977 adjust the same way we prevent losing queued increments.
9979 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9981 * function.c (update_temp_slot_address): Handle case where sum of
9982 temporary address plus offset in register is a valid address.
9984 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9986 * genrecog.c (change_state) Corrected typo.
9988 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9990 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
9991 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
9992 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
9994 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
9996 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
9997 case, expand GT comparisons correctly. Fix a comment before this
10000 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
10002 * dwarfout.c: Include "frame.h"
10003 * dwarf2out.c: Likewise.
10004 * Makefile.in (dwarfout.o): Depend on frame.h
10005 (dwarf2out.o): Likewise.
10007 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
10009 Restore i386 binary compatibility in Dwarf EH info.
10010 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
10011 value of FIRST_PSEUDO_REGISTER.
10012 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
10013 (struct frame_state): Use DWARF_FRAME_REGISTERS.
10014 * dwarfout.c (output_reg_number): Ditto.
10015 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
10016 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
10018 1999-12-29 Bruce Korb <autogen@linuxbox.com>
10020 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
10021 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
10022 (<hack>_RE_CT): not needed
10023 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
10024 rewritten to scan the file text once only
10025 "template<..." test added
10026 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
10027 (is_cxx_header): declaration added
10028 * fixinc/fixtests.c(is_cxx_header): removed
10029 (apply_fix_p_t): removed
10030 (double_slash_test): is_cxx_header is only called once now
10031 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
10032 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
10033 within the templates.
10034 The borken spelling of "broken" was fixed.
10035 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
10036 The default level depends on FIXINC_DEBUG.
10038 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10040 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
10041 Otherwise provide a declaration for atexit.
10042 (init_dummy): Make sure dummy call to atexit is nevertheless
10043 called with correct number of args.
10045 * frame.c: Update comments referring to other files.
10047 * libgcc2.c: Likewise.
10049 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10051 * cse.c (free_element, get_element): Remove unused prototypes.
10053 * fold-const.c (extract_muldiv): Initialize variables `op0' and
10056 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
10059 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
10061 * configure.in,configure: case arm for mn10200-*-* now sets
10062 float_format=i32 so that float.h will correctly claim "double"
10063 to be 32 bits. Ran autoconf to generate configure from .in file.
10065 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
10067 * pa.md (conditional zero): If op1 is a register, force it into
10068 the same register as op0.
10070 1999-12-28 Mark Mitchell <mark@codesourcery.com>
10072 * tree.h (BINFO_BASETYPES): Improve documentation.
10074 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10076 * configure.in (--enable-checking): Use a more portable `for'
10079 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10081 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
10082 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
10084 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
10087 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
10088 Delete descriptions.
10090 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
10091 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
10092 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
10093 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
10094 xm-svr4.h: Remove all instances of sys_siglist handling.
10096 1999-12-27 Jakub Jelinek <jakub@redhat.com>
10098 * config/sparc/sparc.md (cmp_zero_qi,
10099 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
10100 cmp_zero_extendqidi2_andcc_set): New patterns.
10102 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
10104 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
10105 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
10106 (fpgnulib.c, xfgnulib.c): Add rules.
10107 * m68k/t-mot3300-gas: Likewise.
10109 1999-12-27 Ian Lance Taylor <ian@zembu.com>
10111 * configure.in: Avoid [[ by using test and changequote. Add
10112 changequote required by 1999-12-14 change.
10113 * configure: Rebuild.
10115 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
10117 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
10119 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
10121 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
10122 * flow.c (find_use_as_address): Likewise.
10123 * function.c (fixup_var_refs_1): Likewise.
10124 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
10125 * jump.c (invert_exp, redirect_exp): Likewise.
10126 * loop.c (replace_call_address): Likewise.
10127 (count_nonfixed_reads): Likewise.
10128 * rtlanal.c (modified_between_p): Likewise.
10129 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
10130 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
10131 * unroll.c (remap_split_bivs): Likewise.
10133 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10135 * diagnostic.c (v_message_with_decl): Use .* format specifier
10136 instead of building the format specifier width manually.
10138 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
10139 determining whether to provide a prototype. Remove the
10140 sys_siglist clause in the conditional.
10142 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10144 * fold-const.c (operand_equal_p): Use memcmp to compare string
10146 Suggested by D. J. Bernstein
10148 1999-12-17 Jakub Jelinek <jakub@redhat.com>
10150 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
10151 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
10153 * config/mips/mips.h (TARGET_64BIT): Likewise.
10154 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
10155 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
10156 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
10157 dsps. Give routines proper names if SI/DI modes are not used.
10158 * longlong.h: Use DWunion instead of DIunion.
10160 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
10162 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
10163 GC_CHECKING, GC_ALWAYS_COLLECT.
10164 * configure.in: Allow --enable-checking with an argument
10165 listing check modes to enable.
10166 * config.in, configure: Rebuilt.
10167 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
10168 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
10169 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
10170 ENABLE_GC_ALWAYS_COLLECT.
10171 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
10173 * tree.h, tree.c: Change ENABLE_CHECKING to
10174 ENABLE_TREE_CHECKING throughout.
10176 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10178 * fold-const.c (fold_truthop): Properly check for FP RHS.
10180 1999-12-24 Mark Mitchell <mark@codesourcery.com>
10182 * toplev.h (note_deferall_of_defined_inline_function): Declare.
10183 * toplev.c (note_deferral_of_defined_inline_function): New
10184 function, split out from ...
10185 (rest_of_compilation): ... here. Use it.
10187 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10189 * expr.c (store_constructor): Don't call clear_storage if size is
10192 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10194 * Makefile.in (toplev.o): Depend on loop.h.
10196 * dwarfout.c: Include tm_p.h.
10198 * emit-rtl.c (restore_emit_status): Mark parameter with
10201 * final.c (final_scan_insn): Likewise.
10203 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
10204 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
10205 flow_depth_first_order_compute, flow_loop_pre_header_find,
10206 flow_loop_tree_node_add, flow_loops_tree_build,
10207 flow_loop_level_compute, flow_loops_level_compute,
10208 flow_loop_outside_edge_p): Add prototypes.
10209 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
10211 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
10212 Mark with ATTRIBUTE_NORETURN.
10214 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
10216 * local-alloc.c (no_conflict_p): Likewise.
10218 * loop.c (insert_bct): Hide definitions of variables with hidden
10220 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
10222 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
10223 with ATTRIBUTE_UNUSED.
10224 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
10225 (reg_scan): Likewise.
10227 * reload.c (find_reloads): Remove unused variables `changed'.
10229 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
10231 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
10232 Remove unused variable `insn'.
10234 * toplev.c: Include loop.h.
10235 (report_file_and_line): Remove unnecessary prototype.
10237 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
10239 * unroll.c (biv_total_increment): Likewise.
10241 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10243 * reload1.c (emit_input_reload_insns): Restore old behaviour
10244 wrt. 'special' reloads.
10246 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
10248 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
10249 hash.h. (cse.c): Don't depend on hashtab.h.
10251 * cse.c: Don't include hashtab.h.
10252 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
10254 * ggc-simple.c: Don't include hash.h.
10256 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
10258 * dwarf2out.c (add_abstract_origin_attribute): Call
10259 gen_abstract_function on our function context.
10261 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
10263 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
10265 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10267 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
10270 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10272 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
10273 constraints to "a!r".
10275 1999-12-21 Mark Mitchell <mark@codesourcery.com>
10277 * Makefile.in (calls.o): Depend on function.h.
10278 (alias.o): Likewise.
10280 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
10282 * reload1.c (emit_reload_insns): Break out code and variables into...
10283 (input_reload_insns, other_input_address_reload_insns,
10284 other_input_reload_insns, input_address_reload_insns,
10285 inpaddr_address_reload_insns, output_reload_insns,
10286 output_address_reload_insns, outaddr_address_reload_insns,
10287 operand_reload_insns, other_operand_reload_insns,
10288 other_output_reload_insns): ... new static variables, and...
10289 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
10290 do_output_reload): ... new functions.
10292 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10294 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
10296 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10298 * md.texi: Add c4x constraints documentation.
10300 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10302 * config/i386/dgux.c (struct option): Rename to
10303 lang_independent_option.
10304 (struct m_options): Add description field.
10305 (output_options): Rename option type, add sep declaration, output
10306 ix86_cpu_string and ix86_arch_string only if set.
10307 (output_file_start): Rename option type.
10309 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
10311 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
10313 (libgcc2.a): Similarly.
10315 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
10317 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
10318 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
10319 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
10321 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
10323 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
10324 Remove redundant initialization of "frexpon" and "expon".
10326 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10328 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
10330 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
10331 (store_constructor_field, expand_expr): Pass new arg.
10333 1999-12-20 Mark Mitchell <mark@codesourcery.com>
10335 * Makefile.in (explow.o): Depend on function.h.
10337 * stor-layout.c (set_sizetype): Fix typo.
10339 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
10341 * function.c (cfun): Renamed from current_function. All users
10343 * function.h (cfun): Rename declaration as well.
10345 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
10346 to be of type regset_head, not regset. All users changed by adding
10348 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
10350 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10352 * config/c4x/rtems.h: New file.
10354 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
10356 * reload1.c (spill_failure): Take class of failed reload as argument
10357 and print it. Caller changed.
10359 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10361 * rs6000.h (SUBTARGET_DEFAULT): New macro.
10362 (TARGET_SWITCHES): Allow subtargets to default switches.
10363 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
10365 1999-12-18 Mark Mitchell <mark@codesourcery.com>
10367 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
10370 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
10372 * cccp.c (main): Define __STDC_VERSION__ as necessary.
10373 * cppinit.c (cpp_handle_option): Likewise.
10375 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
10376 determine when to define.
10378 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
10380 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
10381 cmove with mismatched test and data modes.
10383 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
10385 * c-typeck.c (c_expand_start_case): Don't warn for long switch
10388 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10390 * alias.c: Minor reformatting.
10391 * flow.c: Likewise.
10392 * regs.h: Likewise.
10393 * stor-layout.c: Likewise.
10394 * fold-const.c: Likewise.
10395 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
10396 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
10398 (size_int_wide): Cache nodes even if garbage collecting.
10399 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
10400 of SAVE_EXPR has no side effects.
10401 * cse.c: Move a comment.
10402 * tree.c: Minor reformatting.
10403 (int_size_in_bytes): Return -1 if constant overflows.
10405 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10407 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
10409 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
10411 * objc/objc-parse.c: Regenerate. This file must be rebuilt
10412 after any change to c-parse.in, even if objc-parse.y didn't
10415 1999-12-18 David S. Miller <davem@redhat.com>
10417 * toplev.c (rest_of_compilation): Restore BLOCK tree
10418 reconstruction and branch shortening changes lost in
10419 December 18th change.
10421 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
10423 * config/arm/linux-elf.h: Change all instances of
10424 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
10425 * config/arm/uclinux-elf.h: Likewise.
10427 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
10429 * toplev.c (notice, vmessage, v_message_with_file_and_line,
10430 v_message_with_decl, file_and_line_for_asm,
10431 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
10432 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
10433 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
10434 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
10435 pfatal_with_name, fatal_io_error, need_error_newline,
10436 last_error_function, last_error_tick, announce_function,
10437 default_print_error_function, print_error_function,
10438 report_error_function, fnotice, error_with_file_and_line,
10439 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
10440 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
10441 warning_with_decl, warning_for_asm, warning, pedwarn,
10442 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
10444 (compile_file): Use fnotice instead of notice. Adjust call.
10446 * diagnostic.c: New file.
10448 * Makefile.in (OBJS): Include diagnostic.o
10449 (diagnostic.o): Define dependence.
10451 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10453 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
10456 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10458 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
10460 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
10462 * fixtests.c (is_cxx_header): New fn, split out of
10464 (else_endif_label): Allow "#endif // comment" in C++ headers,
10465 as determined by is_cxx_header.
10466 * fixfixes.c (else_endif_label_fix): Update comment.
10467 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
10469 * genfixes: Correct double thinko in commandline parsing.
10470 * hackshell.tpl: Generate correct sh syntax for bypass
10473 * inclhack.def (all): Whenever an inserted preprocessor
10474 conditional is split over multiple lines, use double
10475 backslashes in this file so the fixed header will be readable.
10477 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
10478 and add bypass entry for correct version of this header.
10479 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
10480 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
10482 (hpux8_bogus_inlines): New fix, split from...
10483 (ultrix_atof_param) ... here.
10484 (math_expression): Add bypass entry keyed to glibc comment
10485 indicating the problem has been dealt with; disable
10486 unnecessary sed operations; update commentary.
10487 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
10488 add select and bypass entries, simplify shell operation.
10489 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
10491 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
10492 ultrix_atof_param): Add select entry.
10493 (stdio_va_list, sunos_mather_decl): Add bypass entry.
10494 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
10495 comments with the fixes they describe.
10497 * c-parse.in (string action): Do not warn about ANSI string
10498 concatenation in system headers. Affects C parser only.
10499 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
10501 1999-12-16 Jakub Jelinek <jakub@redhat.com>
10503 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
10504 compiling libgcc2 the macro depends always on arch cpp defines.
10506 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
10508 * loop.c (insert_loop_mem): Don't record MEMs from inside
10511 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
10513 * regclass.c (regclass): Do not use flowgraph when not optimizing.
10515 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
10516 notes too, create one when replacement failed, attempt to simplify
10518 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
10519 or REG_EQUIV notes.
10521 1999-12-16 Mark Mitchell <mark@codesourcery.com>
10523 * crtstuff.c (__dso_handle): Declare.
10524 (__cxa_finalize): Likewise.
10525 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
10528 * invoke.texi: Document -fuse-cxa-atexit.
10530 * tree.h (ptr_type_node): Document.
10531 (const_ptr_type_node): Likewise.
10533 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10535 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
10536 (optimize_reg_copy_2): Likewise.
10537 (optimize_reg_copy_3): Likewise.
10538 (fixup_match_2): Likewise.
10539 (regmove_optimize): Likewise.
10540 (fixup_match_1): Liekwise.
10542 * i386.md (HI to SImode promoting splitters): Rewrite.
10543 (pushsf mem peep2): New.
10544 (testhi to andhi peep2): Remove.
10545 * i386.h (x86_promote_QImode): New.
10546 (TARGET_PROMOTE_QImode): New.
10547 (PREDICATE_CODES): Add promotable_binary_operator.
10548 * i386.c (x86_promote_QImode0: New.
10549 (promotable_binary_operator): New.
10550 * i386-protos.h (promotable_binary_operator): New.
10552 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
10554 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
10556 1999-12-16 Mark Mitchell <mark@codesourcery.com>
10558 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
10559 * function.c (insert_block_after_note): Remove.
10560 (retrofit_block): Likewise.
10561 (identify_blocks): Fix indentation.
10562 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
10563 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
10564 * function.h (insert_block_after_note): Remove prototype.
10565 (retrofit_block): Likewise.
10566 * integrate.c (expand_inline_function): Don't call
10567 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
10568 just expand_start_bindings. Use the block_map to remap old
10569 NOTE_BLOCKs to new ones.
10570 (integrate_decl_tree): Keep track of remapped blocks.
10571 * integrate.h (struct inline_remap): Add block_map.
10572 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
10573 NOTE_BLOCK on the notes.
10574 (expand_start_bindings): Rename to ...
10575 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
10576 (expand_end_bindings): Set NOTE_BLOCK.
10577 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
10578 reconstruct the BLOCK tree.
10579 * tree.h (expand_start_bindings): Macroize. Call ...
10580 (expand_start_bindings_and_block): New function.
10582 1999-12-16 Jakub Jelinek <jakub@redhat.com>
10584 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
10585 to match the format.
10587 1999-12-16 David S. Miller <davem@redhat.com>
10589 * expr.c (emit_move_insn_1): Only emit clobbers if one of
10590 the outputs is a SUBREG.
10591 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
10594 * config/sparc/sparc.c (epilogue_renumber): Add default case
10597 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10599 * toplev.c (rest_of_compilation): Run branch shortening after
10602 * regclass.c (loop_depth): Remove
10603 (scan_one_insn): Do not handle LOOP_NOTE insns.
10604 (regclass): Go through basic blocks and set loop_cost
10606 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
10608 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
10610 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10612 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
10613 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
10614 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
10616 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
10618 * loop.c (insert_loop_mem): Ignore memory clobbers.
10620 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
10623 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
10625 * profile.c: Remove redundant #include "output.h".
10627 * h8300.md (HImode preinc peephole): Fix typo.
10629 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10631 * function.c (retrofit_block): Abort if we don't find a suitable insn.
10632 (insert_block_after_note): Abort if we don't have a previous block.
10633 Remove FN parameter.
10634 * function.h: Adjust.
10636 1999-12-15 Mark Mitchell <mark@codesourcery.com>
10638 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
10639 argument more than once.
10641 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10643 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
10645 1999-12-15 Jakub Jelinek <jakub@redhat.com>
10647 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
10649 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10651 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
10652 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
10653 update stack_alignment_needed.
10654 (prepare_function_start): Initialize stack_alignment_needed
10655 * function.h (struct function): Add field stack_alignment_needed.
10657 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10659 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
10660 Handle live_throughout / dead_or_set instead of live_before /
10662 (save_call_clobbered_regs): Get register livenessinformation from
10663 chain->live_throughout.
10664 (add_stored_regs): New function.
10665 (insert_restore, insert_save): Add restored / saved registers to
10667 * global.c (reg_dies): New parameter chain.
10668 (reg_becomes_live): Third parameter is regs_set now.
10669 Changed all callers.
10670 (reg_dies): New parameter chain. Changed all callers.
10671 (build_insn_chain): Set live_throughout instead of
10672 live_before / live_after.
10673 * reload.h (struct insn_chain): Replace members live_before /
10674 live_after with live_throughout / dead_or_set.
10675 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
10676 instead of live_before / live_after.
10677 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
10678 (order_regs_for_reload, find_reg, finish_spills): Likewise.
10679 (choose_reload_regs_init): Likewise.
10680 * stupid.c (current_chain, find_clobbered_regs): Delete.
10681 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
10682 instead of chain->live_before / chain->live_after.
10683 (mark_hard_ref): New function.
10684 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
10686 1999-12-15 David S. Miller <davem@redhat.com>
10688 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
10690 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10692 * flow.c (calculate_loop_depth): Make global, remove prototype,
10693 rewrite to use new loop infrastructure.
10694 (find_basic_block): Remove calculate_loop_depth call.
10695 * toplev.c (rest_of_compilation): Call find_basic_block.
10696 * output.h (calculate_loop_depth): Declare.
10698 * flow.c (dump_flow_info): Dump loop_depth.
10699 (flow_loops_nodes_find): Increase loop_depth for basic block in the
10701 (flow_loops_find): Initialize the loop_depth for each basic block.
10703 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10705 * tree.c (decl_function_context): Handle virtual functions.
10707 * tlink.c (scan_linker_output): Don't look in demangled name when
10708 looking for linker output keywords.
10710 * dwarfout.c (output_type): We can defer namespace-scope classes.
10712 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
10714 * regclass.c (record_reg_classes): Update comment for merging
10715 register class preferences in reg->reg copies. Tighten conditions
10716 for merging register class preferences in reg->reg copies.
10718 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
10720 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
10722 1999-12-14 Geoff Keating <geoffk@cygnus.com>
10724 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
10725 (INIT_SECTION_ASM_OP): Delete.
10726 (FINI_SECTION_ASM_OP): Delete.
10727 (STARTFILE_SPEC): Define to hold just crtbegin.o.
10729 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
10731 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
10732 the abstract origin wasn't emitted.
10734 * dwarf2out.c (class_scope_p): New fn.
10735 (gen_subprogram_die): Use it.
10736 (gen_variable_die): Use it. Tweak logic.
10737 (gen_struct_or_union_type_die): Check context_die to determine
10738 if we're function-local.
10739 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
10741 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
10743 * loop.c (check_dbra_loop): Can't reverse a biv that has
10744 maybe_multiple set.
10746 1999-12-14 Nick Clifton <nickc@cygnus.com>
10748 * config/arm/arm.c: Add support for -mcpu=arm720 command line
10751 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10753 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
10754 for givs made from biv increments.
10756 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
10758 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
10759 * alpha.c (override_options): Recognize -mcpu=ev67.
10760 * alpha.h (CPP_CPU_EV67_SPEC): New.
10761 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
10762 (EXTRA_SPECS): Update.
10764 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
10766 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
10767 appropriate for -lang-c89 and -std=*.
10768 * cppinit.c (cpp_handle_option): Likewise.
10769 (new_pending_define): New, split out from cpp_handle_option.
10770 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
10771 or enable trigraphs for -ansi/-std=*.
10773 * ginclude/stdarg.h (__va_copy): New.
10774 (va_copy): Don't define for C89.
10776 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
10778 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
10779 for long long multiply-accumulate.
10781 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10783 * regclass.c (scan_one_insn): Set loop_cost to 1 when
10784 optimizing for size.
10786 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
10788 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
10789 if something changed. Back out that part of yesterday's changes.
10791 * loop.c (loop_max_reg): New static variable.
10792 (loop_optimize): Initialize it. Eliminate one unnecessary call to
10794 (scan_loop): Call reg_scan_update whenever we may have added new
10795 registers, and update loop_max_reg.
10797 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10799 * regclass.c (record_reg_classes): Do not do the copying preferrencing
10800 when source does not die.
10802 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
10804 1999-12-14 Jakub Jelinek <jakub@redhat.com>
10806 * config/sparc/linux64.h (TARGET_LIVE_G0,
10807 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
10809 * config/sparc/linux.h (TARGET_LIVE_G0,
10810 TARGET_BROKEN_SAVERESTORE): Likewise.
10811 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
10812 TARGET_BROKEN_SAVERESTORE): Likewise.
10814 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
10815 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
10817 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
10818 as sparc64 block profiling register.
10819 * config/sparc/sparc.c (sparc_override_options): Allow block
10820 profiling with -m32.
10821 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
10822 profiling register.
10823 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
10824 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
10825 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
10827 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
10829 * config/sparc/sparc.h: Likewise.
10830 * config/sparc/xm-sysv4-64.h: Likewise.
10831 * config/float-sparc.h: Likewise.
10832 * glimits.h: Likewise.
10833 * longlong.h: Likewise.
10835 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
10836 (ASM_IDENTIFY_GCC): Remove.
10838 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
10840 * combine.c (combine_simplify_rtx): Don't make shared rtl.
10841 (simplify_logical): Likewise.
10843 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
10845 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
10846 * cppfiles.c (INO_T_EQ): Likewise.
10848 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
10850 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
10851 * i386/mingw32.h (LIB_SPEC): Likewise.
10852 (STARTFILE_SPEC): Likewise.
10853 * i386/uwin.h (LIB_SPEC): Likewise.
10854 (STARTFILE_SPEC): Likewise.
10856 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
10857 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
10859 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
10861 * combine.c (combine_simplify_rtx): Fix order of checks for
10862 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
10864 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
10866 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
10867 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
10869 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
10871 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
10873 * regclass.c (inv_reg_alloc_order): New array.
10874 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
10876 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
10877 counted_for_groups, counted_for_nongroups. Add fields rld and
10879 * reload.c (push_secondary_reload): Don't set nongroup field of
10881 (push_reload): Likewise.
10882 (find_reloads): Delete code to compute nongroup fields.
10883 * reload1.c (reload_insn_firstobj): New static variable.
10884 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
10886 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
10887 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
10888 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
10890 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
10892 (struct hard_reg_n_uses): Deleted.
10893 (potential_reload_regs): Deleted.
10894 (init_reload): Initialize spilled_pseudos and pseudos_counted.
10895 (reload): Don't try to allocate reload registers if we already know
10896 we have to make another pass. Call select_reload_regs. Free memory
10897 starting with reload_firstobj when starting another pass.
10898 Don't allocate spilled_pseudos.
10899 (calculate_needs_all_insns): Call copy_reloads for an insn that
10900 needs reloads; don't call calculate_needs.
10901 (spill_cost): New static array.
10902 (used_spill_regs_local): New static variable.
10903 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
10904 to compute potential_reload_regs.
10905 (find_reload_regs): Completely rewritten to use find_reg.
10906 (allocate_reload_reg): Don't test counted_for_groups or
10907 counted_for_nongroups. Lose NOERROR arg and code to give an error;
10908 all cllers changed.
10909 (choose_reload_regs): Add fallback code that uses the existing
10910 register allocation from find_reload_regs.
10912 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
10914 * flow.c (create_edge_list): Cast xmalloc return value.
10916 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
10918 * doprnt.c: Remove incorrect comment closure.
10920 * cse.c: Fix a few minor whitespace goofs.
10922 1999-12-13 Don Bowman <don@pixstream.com>
10924 * mips/vxworks.h: Fix problem with comment termination.
10925 (EXTRA_SECTIONS): Add in_sbss.
10926 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
10928 1999-12-12 David S. Miller <davem@redhat.com>
10930 * cse.c (struct cse_reg_info): Add hash_next member,
10931 reorder rest of struct for better packing on 64-bit
10933 (cse_reg_info_tree): Kill.
10934 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
10935 REGHASH_FN): New custom pow2 hash mechanism.
10937 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
10938 use a pow2 hash table.
10939 (get_cse_reg_info): Rework to use new REGHASH.
10940 (new_basic_block): Likewise, use HASH_SIZE, and inline
10942 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
10943 and inline free_element call.
10944 (lookup_as_function, insert, flush_hash_table, invalidate,
10945 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
10946 invalidate_for_call, use_related_value, find_comparison_args,
10947 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
10948 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
10949 get_element): Kill.
10951 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
10953 * cse.c (cse_basic_block): Free qty_table consistently.
10955 1999-12-12 David S. Miller <davem@redhat.com>
10956 Jakub Jelinek <jakub@redhat.com>
10958 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
10959 SUBREGs by hand, gen the appropriate hard reg directly.
10960 (movtf reg/mem split): Likewise and alter_subreg on destination
10962 (movtf mem/reg split): Similarly.
10963 (movdf_cc_sp64): Rename from hidden pattern.
10964 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
10965 (movtf_cc_sp64, following split): New pattern and splitter.
10966 (movdf_cc_reg_sp64): Rename from hidden pattern.
10967 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
10969 (movtf_cc_reg_sp64, following split): New pattern and splitter.
10971 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
10973 * loop.c (load_mems): Don't hoist written floating point mem
10976 1999-12-12 Mark Mitchell <mark@codesourcery.com>
10978 * except.h (struct eh_queue): Add `next' pointer.
10979 (struct eh_status): Make x_ehqueue a pointer.
10980 (push_ehqueue): Declare.
10981 (pop_ehqueue): Likewise.
10982 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
10984 (expand_fixup_region_end): Likewise.
10985 (expand_leftover_cleanups): Likewise.
10986 (push_ehqueue): Define.
10987 (pop_ehqueue): Likewise.
10988 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
10989 than doing it inline.
10990 (expand_start_all_catch): Adjust now that ehqueue is a
10992 (mark_eh_queue): Mark all level of the queue.
10993 (mark_eh_status): Adjust now that ehqueue is a
10995 (init_eh_for_function): Allocate ehqueue.
10996 (free_eh_status): Free it.
10997 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
10998 expansion for a fixup.
11000 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11002 * gthr-single.h (__gthread_active_p): Add prototype arguments.
11004 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
11005 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
11006 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
11007 function_ptr, getpagesize, __enable_execute_stack,
11008 __enable_execute_stack, __clear_insn_cache,
11009 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
11010 _cleanup, _exit, __default_terminate, __terminate_func,
11011 __terminate, __empty, __throw, new_eh_context,
11012 eh_context_initialize, eh_context_static, eh_context_specific,
11013 get_eh_context, __get_eh_context, __get_eh_info,
11014 init_reg_size_table, eh_threads_initialize,
11015 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
11016 __unwinding_cleanup, throw_helper, __throw, __rethrow,
11017 __pure_virtual): Add prototype arguments.
11018 (__bb_exit_func): Cast a sizeof to long when comparing against one.
11019 Cast a signed value to unsigned long when comparing against one.
11020 (new_eh_context): Wrap in _GTHREADS macro.
11021 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
11023 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
11024 (throw_helper): Initialize variables `handler_p' and `pc_p'.
11026 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11028 * combine.c (record_promoted_value): Remove unused variable
11031 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
11033 * global.c (record_conflicts): Likewise for `j'.
11035 * genoutput.c (output_insn_data): Don't unnecessarily cast away
11038 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11040 * i386-protos.h (output_387_binary_op, output_fix_trunc,
11041 output_fp_compare): Constify a char*.
11043 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
11045 (override_options, ix86_comp_type_attributes, print_operand,
11046 output_387_binary_op, output_fix_trunc, output_fp_compare):
11048 (ix86_sched_reorder): Mark parameter `clock_var' with
11051 * i386.h (DEBUG_PRINT_REG): Constify a char*.
11053 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
11055 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
11056 operand, for use in the Java front-end.
11058 1999-12-10 Ben Collins <bcollins@debian.org>
11060 * configure.in: Fix typo for "-64" in 64bit as check.
11061 * configure: Rebuilt.
11063 1999-12-10 Jakub Jelinek <jakub@redhat.com>
11065 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
11068 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11070 * c-parse.in (string): With -Wtraditional, warn if ANSI string
11071 concatenation is utilized.
11073 * invoke.texi (-Wtraditional): Document it.
11075 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11077 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
11078 Cast a ptrdiff_t to long and pass it to printf with %ld.
11080 1999-12-10 Geoff Keating <geoffk@cygnus.com>
11082 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
11083 68881, we have no 68881 registers at all.
11084 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
11085 value in a 68881 register if it is available.
11087 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
11089 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
11090 for long long multiply-accumulate.
11092 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
11094 * loop.c (insert_loop_mem): Undo last change.
11096 1999-12-10 David S. Miller <davem@redhat.com>
11098 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
11100 * config/sparc/sparc-protos.h: Add them.
11101 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
11102 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
11103 constraints which use those helpers.
11104 (EXTRA_CONSTRAINT): Use this new macro.
11105 * md.texi: Update sparc target constraints documentation.
11106 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
11107 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
11108 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
11109 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
11110 (movsf high/lo_sum split): Rework for new patterns.
11111 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
11113 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
11115 * c-common.c (c_common_nodes_and_builtins):
11116 Create __builtin_ptrdiff_t and __builtin_size_t.
11118 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
11120 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
11122 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11124 * regclass.c (globalize_reg): Re-instate test that allows
11125 fixed registers to be declared as a variable even after functions
11128 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11130 * i386.md (cpu attribute): Add "athlon".
11131 (athlon_decode): New attribute.
11132 (Athlon scheduling units definitions): New.
11133 (fcmp and shld patterns): Set athlon_decode to "vector".
11134 * i386.c (athlon_cost): New.
11136 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
11137 x86_use_sahf): Set for Athlon.
11138 (x86_use_fiop): Unset for Athlon.
11139 (override_options): Define Athlon alignments and "athlon" name.
11140 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
11141 * i386.h (TARGET_ATHLON): New.
11142 (enum processor_type): Add PROCESSOR_ATHLON.
11143 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
11145 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
11147 1999-12-09 Andreas Jaeger <aj@suse.de>
11149 * loop.c (record_biv): Declare parameter as int.
11151 * config/i386/i386-protos.h: Declare long_memory_operand.
11153 1999-12-09 Mark Mitchell <mark@codesourcery.com>
11155 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
11156 EXPR_WITH_FILE_LOCATION.
11158 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11160 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
11163 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
11165 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
11168 1999-12-09 Jakub Jelinek <jakub@redhat.com>
11170 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
11171 default on linux64 again.
11172 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
11173 models for multilibing.
11174 * genmultilib: Accept | as alternative separator within a set in
11177 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
11179 * calls.c (precompute_arguments): Make sure initial_value contains
11180 value pseudo which CSE expects.
11181 * cse.c (struct set): New entry orig_src.
11182 (cse_insn): Set it early on entry, use it for libcall EQUIV note
11185 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
11187 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
11189 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
11191 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
11193 1999-12-08 Jakub Jelinek <jakub@redhat.com>
11195 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
11196 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
11198 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
11201 * longlong.h: Merge in changes from glibc.
11202 Also don't clobber %g2 register in 32bit SPARC assembly, so that
11203 -mno-app-regs libgcc can be compiled.
11204 * libgcc2.c: Add defines so that the updated longlong.h
11205 can be used in libgcc2.a. Also, make sure on most architectures
11206 (at least on all which have optimized code in longlong.h defined
11207 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
11209 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11211 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
11212 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
11213 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
11215 * configure: Rebuilt.
11217 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
11219 * alpha.c (secondary_reload_class): For !BWX, sub-simode
11220 outputs require a register.
11222 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
11224 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
11225 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
11226 functions like dptoul will be resolved.
11227 (libgcc2.a): Make sure that the object files from DPBIT are named
11228 differently (prefix `_dp') from those that would be coming from
11231 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
11233 * configure.in: When target is sparc* and tm_file contains 64,
11234 test for 64bit support in assembler. If not supported, remove
11235 sparc/t-sol2-64 from target-dependent Makefile fragments.
11236 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
11237 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
11238 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
11239 * acconfig.h (AS_SPARC64_FLAG): Added.
11240 * configure, config.in: Rebuilt.
11241 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
11242 support. Use AS_SPARC64_FLAG.
11244 1999-12-07 Jakub Jelinek <jakub@redhat.com>
11246 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
11247 suitable for holding OFmode values so that gcc works with complex
11249 (hard_64bit_mode_classes): Likewise.
11251 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
11252 so that it is actually matched.
11253 (sethi_di_medlow): Likewise.
11255 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
11256 as legitimate constant if -mvis.
11257 * config/sparc/sparc.md (movtf): Likewise.
11258 (clear_sf): Use const_double_operand.
11259 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
11261 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
11262 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
11263 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
11264 routines, _Qp_* cannot be handled like that now.
11265 (INIT_TARGET_OPTABS): Likewise.
11266 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
11267 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
11268 sparc_emit_float_lib_cmp if ARCH64 and soft float.
11269 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
11270 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
11271 divtf3, sqrttf3): New expanders.
11272 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
11273 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
11274 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
11277 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
11278 * configure: Rebuilt.
11279 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
11280 -mcpu is given and we're doing 64bit compiles.
11282 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
11284 * loop.h (struct induction): Add multi_insn_incr.
11285 * loop.c (basic_induction_var): New multi_insn_incr argument.
11286 Set it if we search back through previous insns for the biv.
11287 (record_biv): New multi_insn_incr argument; fill in struct induction.
11288 (strength_reduce): Discard an iv with multiple bivs, any of
11289 which require multiple insns to increment.
11291 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11293 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
11296 1999-12-06 David S. Miller <davem@redhat.com>
11298 * combine.c (check_promoted_subreg): Do not conditionalize this upon
11299 PROMOTE_FUNCTION_RETURN.
11301 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
11303 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
11304 and handle REG_UNUSED note on insn.
11306 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
11307 inner_mask instead of mask.
11309 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
11311 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
11312 zero if there was an error.
11314 1999-12-06 Jakub Jelinek <jakub@redhat.com>
11316 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
11319 * longlong.h: Fix clobbers in SPARC asm statements.
11321 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
11322 valid sethi operations when TARGET_ARCH64.
11324 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
11325 always use move_by_pieces to avoid infinite recursion.
11326 (restore_fixed_argument_area): Likewise.
11328 * combine.c (check_promoted_subreg, record_promoted_value): New
11330 (combine_instructions): Use them to retain nonzero and sign bit
11331 information after SUBREGs are eliminated by optimizations in
11332 this pass if PROMOTE_FUNCTION_RETURN.
11334 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
11335 .register declaration. Don't use variables with __ prefixes.
11337 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11339 * fold-const.c (optimize_bit_field_compare): Only use one mode
11340 for both RHS and LHS in non-constant case.
11342 1999-12-06 Nathan Sidwell <nathan@acm.org>
11344 * frame.c (start_fde_sort): Only allocate erratic array, if
11345 linear one was allocated. Return allocated flag.
11346 (fde_insert): Only insert, if there's a valid array.
11347 (fde_end_sort): Split, sort and merge if linear and erratic
11348 arrays exist, else just sort linear one.
11349 (search_fdes): New function. Linear search through original fde
11351 (frame_init): Permit multiple initializations. Cope with
11353 (find_fde): Fallback on linear search, if failed to sort array.
11354 (__deregister_frame_info): Only free sorted array, if we
11357 1999-12-06 Jakub Jelinek <jakub@redhat.com>
11359 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
11361 1999-12-05 Jakub Jelinek <jakub@redhat.com>
11363 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
11365 1999-12-05 Mark Mitchell <mark@codesourcery.com>
11367 * tree.h (special_function_p): Declare.
11368 * calls.c (special_function_p): Make it global. Don't take `name'
11369 as a parameter. Fix typo in 1999-11-28 change.
11370 (expand_cal): Adjust.
11372 1999-12-04 Mark Mitchell <mark@codesourcery.com>
11374 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
11375 * tree.h (EXPR_WFL_FILENAME): Define in terms of
11376 EXPR_WFL_FILENAME_NODE.
11377 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
11379 * print-tree.c (print_note): Print TREE_PRIVATE and
11382 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
11383 the original die cannot be found.
11385 * varray.h (varray_head_tag): Add elements_used.
11386 (VARRAY_PUSH): New macro.
11387 (VARRAY_POP): Likewise.
11388 (VARRAY_TOP): Likewise.
11389 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
11391 * varray.c (varray_init): Initialize elements_used.
11392 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
11393 (INTEGRATE_H): New variable.
11394 (integrate.o): Depend on INTEGRATE_H.
11395 (unroll.o): Likewise.
11397 * function.h (insert_block_after_note): Declare.
11398 * function.c (insert_block_after_note): Split out from ...
11399 (retrofit_block): ... here.
11401 * stmt.c (expand_fixup): Fix typo in comment.
11403 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11405 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
11406 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
11407 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
11408 (regmove_optimize, fixup_match_1): Likewise.
11410 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11412 * flow.c (flow_loops_dump): Add missing argument when calling
11413 flow_loop_nested_p.
11415 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
11416 Greg McGary <gkm@gnu.org>
11418 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
11419 (init_attributes): Add A_NO_LIMIT_STACK.
11420 (decl_attributes): Handle A_NO_LIMIT_STACK.
11421 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
11422 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
11423 Handle stack bounds checking.
11424 * flags.h (flag_stack_check): Use the word 'probe' rather than
11425 'check', because the flag doesn't actually cause any checking to
11427 * function.c (expand_function_start): Set
11428 current_function_limit_stack.
11429 * function.h (struct function): Add limit_stack.
11430 (current_function_limit_stack): Define.
11431 * invoke.texi (Code Gen Options): Document new options.
11432 * rtl.h: Declare stack_limit_rtx.
11433 * toplev.c (stack_limit_rtx): New variable.
11434 (decode_f_option): Handle new options -fstack-limit-register=REG,
11435 -fstack-limit-symbol=IDENT, -fno-stack-limit.
11436 (main): Add stack_limit_rtx as GC root.
11437 * tree.h (DECL_NO_LIMIT_STACK): New macro.
11438 (struct tree_decl): New member no_limit_stack.
11440 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
11442 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
11443 (conditional_trap+1): Get new mnemonic correct.
11444 (conditional_trap+2): New pattern for DImode traps.
11446 * config/m68k/m68k.c (output_function_prologue): Handle
11448 * config/m68k/m68k.md (trap): New insn.
11449 (conditional_trap): New insn.
11450 * md.texi (Standard Names): Document `trap' and
11451 `conditional_trap'.
11452 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
11453 so a cc0 setter doesn't get emitted at some random place in the
11456 * config/i960/i960.md (trap): New insn.
11457 (conditional_trap): New expander.
11458 (conditional_trap+1, conditional_trap+2): New insns for signed
11459 and unsigned cases.
11460 * config/i960/i960.c (i960_function_prologue): Use
11461 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
11463 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
11464 Geoffrey Keating <geoffk@cygnus.com>
11466 * flags.h (warn_padded, warn_packed): Add global var decls.
11467 * toplev.c (warn_padded, warn_packed): Add global var defns.
11468 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
11469 * stor-layout.c (layout_record): Add local variable `type'
11470 to hold often-used TREE_TYPE (field). Add local variable
11471 `unpacked_align' to hold alignment that would be in force
11472 if no `packed' attribute were present. Warn if `packed' attribute
11473 is unnecessary, or even harmful. Warn when gcc inserts padding
11474 to satisfy alignment requirements of members. Use NULL_TREE
11475 when checking whether var_size is set.
11476 * invoke.texi: Document new flags.
11478 1999-12-03 Nathan Sidwell <nathan@acm.org>
11480 * frame.c (fde_split): Reimplement to avoid variable sized array.
11482 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11484 * combine.c (try_combine): Before fixing up LOG_LINKS for the
11485 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
11487 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
11489 * invoke.texi: Document the mips option -mno-crt0
11491 1999-12-02 Mike Karr <mkarr@mathworks.com>
11493 * cccp.c (argdata): Added free_ptr member.
11494 (macroexpand): Initialize free_ptr of each argument. When an
11495 argument's buffers are freed, if the argument's free_ptr corresponds
11496 to a buffer on the input stack, then return the free_ptr to that stack
11497 frame, otherwise, free it.
11498 (macarg): If an argument begins and ends on the same input stack level,
11499 then transfer the free_ptr of that buffer to the argument in case
11500 the stack is popped during the processing of a subsequent argument.
11502 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
11504 * loop.c (note_reg_stored): New function.
11505 (struct note_reg_stored_arg): New structure.
11506 (try_copy_prop): Change to be more conservative; only replace within
11507 one extended basic block and stop replacing if a store to the
11508 replacement reg is seen.
11510 1999-12-02 Nick Clifton <nickc@cygnus.com>
11512 * config/fp-bit.c: Initialise all fields of the NAN
11515 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
11518 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
11520 * i386.md (extend?f?f2): Force the input into a register, not
11523 1999-12-01 Jakub Jelinek <jakub@redhat.com>
11525 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
11527 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
11528 alternative because setting up 64bit constant is usually costly,
11529 especially when reload is in progress or completed.
11530 (movdf_const_intreg_sp64): Likewise.
11531 (movdf_const_intreg split): Fix building up constants when
11532 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
11534 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
11536 * combine.c (if_then_else_cond): Use const_true_rtx instead of
11537 const1_rtx for return values in EQ/NE comparison against (const_int 0)
11540 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
11541 (asm_file_start): Emit .am33 into assembly file when compiling for
11543 (print_operand_address): Handle POST_INC addresses.
11544 (can_use_return_insn, initial_offset): Check AM33 registers too.
11545 (expand_prologue): Check & save AM33 registers too.
11546 (expand_epilogue): Similarly.
11547 (secondary_reload_class): Handle AM33 specific secondary reloads.
11548 (output_tst): Emit efficient code for the AM33 too.
11549 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
11550 (TARGET_SWITCHES): Add -mam33 switch.
11551 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
11552 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
11553 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
11554 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
11555 (enum reg_class, REG_CLASS_NAMES): Likewise.
11556 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
11557 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
11558 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
11559 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
11560 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
11561 (HAVE_POST_INCREMENT): Define.
11562 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
11563 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
11564 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
11565 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
11566 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
11567 (zero_extend to SI from QI/HI): Likewise.
11568 (sign_extend to SI from QI/HI): Likewise.
11569 (mulsidi3, umulsidi3): New patterns for the AM33.
11570 (tstsi with zero extension from QI/HI): Add AM33 variants.
11571 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
11572 (return_internal_regs, store_movm): Handle new AM33 registers.
11573 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
11574 (LIBGCC, INSTALL_LIBGCC): Likewise.
11575 * invoke.texi: Document new flags.
11577 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
11579 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
11580 (addsi3_carry): Likewise.
11581 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
11582 (sbbsi3_carry): Likewise.
11583 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
11584 (mulhi3): Likewise.
11585 (test?i_1): Ensure that only one operand is memory.
11586 (conditional move patterns): likewise.
11587 (shift and rotate patterns): Rewrite to expander, add
11588 "binary_operator_ok" to the condition.
11590 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
11591 * i386.h (procesor_costs): Add movzbl_load field.
11592 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
11593 non-Q registers, accept DImode registers anywhere.
11595 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
11596 * i386.c (*_cost): Set value for movxbl_load field.
11598 * (addsi): New add to lea splitter.
11599 (ashlsi): Likewise.
11600 (lea to add/shift peep2): New.
11602 1999-12-01 Mark Salter <msalter@cygnus.com>
11604 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
11605 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
11606 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
11608 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11610 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
11611 * i386.md (movsi_xor): New.
11613 (movsi_1, movhi_1, movqi_1): Remove.
11614 (movsi_2): Rename to movsi_1.
11615 (movhi_2): Rename to movhi_1.
11616 (movqi_2): Rename to movqi_1.
11617 (movdi_1): Remove; remove splitter.
11618 (movdi_2): Rename to movdi_1.
11619 (divmodsi4 splitter): Do not emit clobbers for move patterns.
11620 (long move peep2): Do not create QI or HI mode mov0s
11621 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
11623 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
11626 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
11627 (abs?f2_if): Likewise.
11629 1999-11-30 Alex Samuel <samuel@codesourcery.com>
11631 * ggc.h (ggc_test_and_set_mark): New macro.
11632 (ggc_mark_rtx): Use ggc_test_and_set_mark.
11633 (ggc_mark_tree): Likewise.
11634 (ggc_mark_rtvec): Likewise.
11635 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
11637 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
11639 * dwarf2out.c (scope_die_for): Only handle types. Only search for
11641 (decl_scope_table): Just an array of trees now.
11642 (push_decl_scope): Simplify.
11643 (dwarf2out_init): Adjust.
11644 (local_scope_p): New fn.
11645 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
11646 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
11647 (gen_typedef_die): Likewise.
11648 (gen_lexical_block_die): Don't call push/pop_decl_scope.
11649 (gen_inlined_subroutine_die): Likewise.
11650 (gen_abstract_function): Set current_function_decl temporarily.
11651 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
11652 Handle block extern declarations. Don't call push/pop_decl_scope.
11653 (gen_decl_die): Fix logic for block externs.
11655 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11657 * calls.c (special_function_p): Remove `realloc' and add `strdup'
11658 to the list of functions which have attribute malloc by default.
11660 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11662 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
11663 integer constant does not match the traditional type, limit the
11664 warnings to cases where the base of the type is ten.
11666 * invoke.texi (-Wtraditional): Document it.
11668 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11670 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
11671 * rs6000.md: Only access a CONST_INT with INTVAL
11673 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
11675 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
11676 (compute_nearerout): Likewise.
11677 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
11678 size_t to unsigned long for formatting.
11680 1999-11-30 Jakub Jelinek <jakub@redhat.com>
11682 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
11683 Allow the user to override call-used/fixed state of %g2-5
11684 registers from the command line (with the exception of %g4 for
11686 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
11687 there is a higher chance of having a leaf function.
11688 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
11689 for ARCH64 which has %ccr register.
11690 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
11692 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
11693 insn accept into delay slot any insn which does not use %[ol]
11694 registers. Accept some LO_SUM and shift left by 1 for the normal
11696 (output_function_epilogue): Likewise.
11697 (epilogue_renumber): Added argument which inhibits any renumbering
11698 and just tests if the rtx does not use any %[ol] registers.
11699 (output_return): Reflect above change.
11701 1999-11-30 Jakub Jelinek <jakub@redhat.com>
11703 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
11704 aggregate passing for sizes <= 16 bytes.
11706 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
11708 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
11709 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
11710 * reload.c (find_dummy_reload): Likewise.
11711 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
11712 * reload1.c (reload_as_needed): Likewise.
11713 * stupid.c (stupid_find_reg): Likewise.
11714 * tm.texi (Obsolete Register Macros): Delete section.
11715 * gmicro.h: Remove all traces of the two macros.
11716 * i386.h: Likewise.
11717 * m88k.h: Likewise.
11718 * mips.h: Likewise.
11720 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
11722 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
11723 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
11724 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
11725 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
11726 units for the sparclite86x chip.
11727 (flush): Revert October 14th change; add SImode specifically.
11728 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
11729 * invoke.texi: Document it.
11731 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
11733 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
11734 psimode_truncation_operand.
11736 * config/mn10200/mn10200.c (psimode_truncation_operand): New
11737 function. Return true if the operand is either a MEM valid
11738 for a PSImode address or not a MEM at all.
11740 * config/mn10200/mn10200.md (truncsipsi2): Use
11741 psimode_truncation_operand.
11743 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11745 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
11746 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
11747 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
11748 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
11749 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
11750 (flow_loop_level_compute, low_loops_level_compute): Likewise.
11751 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
11752 * basic-block.h: Protect from multiple inclusion.
11753 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
11754 (struct loops, struct loop): Define structures.
11755 * sbitmap.c (sbitmap_a_subset_b_p): New function.
11756 * sbitmap.h: Protect from multiple inclusion.
11757 (sbitmap_a_subset_b_p): Add prototype.
11758 * Makefile.in (LOOP_H): New macro.
11759 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
11761 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
11763 * cppinit.c (CAT): The argument list of this macro may not contain
11766 1999-11-29 David S. Miller <davem@redhat.com>
11768 Move quantity tables and register equivalence chains into
11769 per-qty and per-register structure arrays respectively.
11770 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
11771 qty_const_insn, qty_comparison_code, qty_comparison_const,
11772 qty_comparison_qty): Delete, replace with...
11773 (qty_table): this structure table.
11774 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
11775 (reg_eqv_table): this structure table.
11776 (make_new_qty): Add argument MODE. Caller updated.
11777 Update to use qty_table and reg_eqv_table.
11778 (make_regs_eqv, delete_reg_equiv, insert_regs,
11779 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
11780 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
11781 cse_process_notes, cse_main, cse_basic_block): Likewise.
11783 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11785 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
11786 operation if C is negative.
11787 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
11788 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
11789 law for some divisions if constant is negative and change other
11790 divisions to the opposite rounding.
11792 * expr.c (store_constructor_field): If bit position is not multiple
11793 of alignment of TARGET's mode, use BLKmode.
11795 * expr.c (expand_expr_unaligned): Add more code from full case
11796 that is needed when OP0 is in a register.
11798 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11800 * dwarfout.c (field_byte_offset): Size can be zero if there was
11803 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
11805 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
11806 (associate_trees): Delete unused var TEM.
11807 (extract_muldiv): Delete unused var CANCEL_P.
11809 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
11810 (target_isinf, target_isnan, target_negative): Add return types to
11811 function definitions.
11813 1999-11-29 Bruce Korb <autogen@linuxbox.com>
11815 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
11816 * fixinc/hackshell.tpl: ditto
11817 * fixinc/fixtests.c(double_slash_test): more C++ header testing
11818 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
11820 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
11822 * reload.c (push_reload): When looking for a register to put into
11823 reg_rtx, make sure all hard regs in a multi-reg register are in the
11824 right class and nonfixed.
11826 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
11827 pending_read_insns, pending_write_insns, pending_read_mems,
11828 pending_write_mems, pending_list_length, last_pending_memory_flush,
11829 last_function_call, sched_before_next_call): Move static variables
11831 (bb_ prefixed versions): Replace with single array bb_deps.
11832 (struct deps): New structure.
11833 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
11834 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
11835 argument of type "struct deps *"; use that instead of global
11836 variables. All callers changed.
11837 (init_rgn_data_dependencies): Delete function.
11838 (init_rtx_vector): Delete function.
11839 (init_deps): New function.
11841 (free_pending_lists): Simplify, we always use the bb_deps array even
11842 if only one basic block.
11843 (compute_block_backward_dependences): Likewise.
11844 (schedule_region): Likewise.
11846 (propagate_deps): New function, broken out of
11847 compute_block_backward_dependences.
11848 (compute_block_backward_dependences): Use it.
11850 * alpha.md: Delete useless patterns that tried to work around
11851 register elimination problems.
11853 * unroll.c (loop_iterations): Don't abort if iteration variable
11856 From Joern Rennecke:
11857 * reload1.c (reloads_conflict): Reverse test comparing operand
11858 numbers when testing for conflict between output/outaddr reloads.
11860 1999-11-29 David S. Miller <davem@redhat.com>
11862 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
11864 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
11866 1999-11-28 Robert Lipe <robertl@cygnus.com>
11868 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
11869 table from .fini into .dtor.
11871 1999-11-28 Anthony Green <green@cygnus.com>
11873 * tree.h (struct tree_decl): Add malloc_flag.
11874 (DECL_IS_MALLOC): Define.
11875 * c-common.c (attrs): Add A_MALLOC attribute.
11876 (init_attributes): Add this attribute to the table.
11877 (decl_attributes): Handle malloc attribute.
11878 * calls.c (special_function_p): Check for the malloc attribute.
11879 * extend.texi (Function Attributes): Document malloc attribute.
11881 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
11883 * pa.md (reload shift-add patterns): Remove.
11885 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11887 * reorg.c (dbr_schedule) Print more statistics. Corrected
11888 problem when printing info when 3 delay slots are filled.
11890 1999-11-28 Jakub Jelinek <jakub@redhat.com>
11892 * combine.c (setup_incoming_promotions): Pass an outgoing
11893 regno to FUNCTION_ARG_REGNO_P which it expects.
11895 1999-11-28 Andreas Jaeger <aj@suse.de>
11897 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
11899 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
11901 * cccp.c (do_include): Avoid initialization of automatic variable.
11903 * integrate.c (mark_stores): Function definition made void, to match
11904 previous declaration.
11905 * regclass.c (dump_regclass): Ditto.
11906 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
11908 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11910 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
11911 known to be multiple of divisor.
11913 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
11915 * combine.c (try_combine): Add code to try to merge a set of a
11916 two-word pseudo to a constant with a setting of one of those words
11919 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
11920 (split_tree): Completely rework to make more general.
11921 (make_range, fold): Call negate_expr.
11922 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
11923 (fold, associate): Call new split_tree and associate_trees.
11924 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
11926 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
11928 * loop.c (try_copy_prop): Avoid GNU C extension.
11930 1999-11-25 Mark Mitchell <mark@codesourcery.com>
11932 * except.c (init_eh_for_function): Still zero eh_return_context,
11933 eh_return_stack_adjust, and eh_return_handler.
11935 * except.h (eh_status): Adjust documentation for x_protect_list.
11936 (begin_protect_partials): New function.
11937 * except.c (enqueue_eh_entry): Fix formatting.
11938 (get_first_handler): Add consistency check.
11939 (add_partial_entry): Adjust usage of protect_list.
11940 (emit_cleanup_handler): Save and restore ehqueue.
11941 (expand_start_all_catch): Add comment.
11942 (begin_protect_partials): New function.
11943 (end_protect_partials): Adjust usage of protect_list.
11944 (init_eh_for_function): Use xcalloc.
11946 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11948 * c-common.c (check_format_info): Don't call a variadic function
11949 with a non-literal format string.
11951 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
11953 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
11954 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
11957 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
11960 * collect2.c (collect_wait): Likewise.
11962 * dbxout.c (dbxout_type): Likewise.
11964 * gcc.c (do_spec_1): Likewise.
11966 * genemit.c (gen_insn, gen_expand): Likewise.
11968 * genrecog.c (write_switch, write_subroutine): Likewise.
11970 * mips-tfile.c (catch_signal, botch): Likewise.
11972 * print-rtl.c (print_rtx): Likewise.
11974 * toplev.c (default_print_error_function, report_error_function,
11975 _fatal_insn): Likewise.
11977 1999-11-25 Mark Mitchell <mark@codesourcery.com>
11979 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
11981 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11983 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
11984 operations when needed.
11985 * i386.md (fop_?f_comm): New.
11986 (fop_?f_1): Do not accept commutative operands.
11988 1999-11-25 Andreas Jaeger <aj@suse.de>
11990 * config/mips/mips.md (casesi_internal): Add missing brace.
11992 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
11994 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
11995 (splice_child_die): Handle moving a child DIE from the declaration
11996 DIE of a class to its specification.
11997 (gen_struct_or_union_type_die): Use 'complete' consistently.
11998 (gen_decl_die): Generate the virtual context DIE first.
11999 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
12001 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
12003 * config/mips/mips.md (call_value_multiple_interanal1): New.
12005 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
12007 * dwarf2out.c (free_AT, free_die): New fns.
12008 (remove_children): Call them.
12009 (output_line_info): Disable removal of duplicate notes.
12011 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
12012 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
12013 means pretend the type isn't defined.
12014 Don't defer emitting types.
12015 (gen_type_die_for_member): New fn.
12016 (gen_decl_die): Call it.
12017 (splice_child_die): New fn.
12018 (gen_member_die): Call it rather than generate duplicate dies.
12020 Defer emitting information for the abstract instance of an inline
12021 until we either inline it or emit an out-of-line copy.
12022 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
12023 from output_inline_function if DECL_ABSTRACT is also set.
12024 (block_ultimate_origin): Likewise.
12025 (gen_abstract_function): New fn.
12026 (gen_decl_die, gen_inlined_subroutine_die): Call it.
12027 (gen_subprogram_die): An abstract instance is not a declaration
12028 just because it doesn't match current_function_decl. Don't abort
12029 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
12030 has an abstract origin.
12031 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
12032 abstract instance here.
12034 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
12036 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
12037 where we need to reload fpul from a system register.
12039 1999-11-24 Andreas Jaeger <aj@suse.de>
12041 * config/mips/linux.h (CPP_PREDEFINES): Added.
12042 (LINK_SPEC): Remove -Y since this is only needed on sparc.
12044 1999-11-24 Andreas Jaeger <aj@suse.de>
12046 * config/mips/linux.h (TARGET_VERSION): Added.
12047 (HANDLE_SYSV_PRAGMA): Added.
12048 (DEFAULT_VTABLE_THUNKS): Added.
12050 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12052 * local-alloc.c (qty): New structure and static variable.
12053 (qty_phys_reg): Remove, all references changed to qty.
12054 (qty_n_refs): Likewise.
12055 (qty_min_class): Likewise.
12056 (qty_birth): Likewise.
12057 (qty_death): Likewise.
12058 (qty_size): Likewise.
12059 (qty_mode): Likewise.
12060 (qty_n_calls_crossed): Likewise.
12061 (qty_alternate_class): Likewise.
12062 (qty_changes_size): Likewise.
12063 (qty_first_reg): Likewise.
12064 (alloc_qty): Rename variable QTY to QTYNO.
12065 (finf_free_reg): Likewise.
12066 (local_alloc): Allocate qty, do not allocate the removed variables.
12068 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
12070 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
12071 when -membedded-pic is passed.
12073 * config/mips/mips.md (casesi): Handle 64-bit case too.
12074 (casesi_internal_di): New insn.
12076 * config/mips/mips.c (embedded_pic_offset): Always make the
12077 embedded-pic subtractions relative to the name of the current
12078 function by use of the magic string "..CURRENT_FUNCTION".
12079 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
12081 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
12083 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
12084 of (const_int 0), when what we really care about is
12085 whether it's a zero constant anyway.
12086 (div_trap_mips16): Likewise.
12088 1999-11-23 Mark Mitchell <mark@codesourcery.com>
12090 * loop.c (loop_optimize): Always find_loop_tree_blocks and
12091 unroll_block_trees when generating debuggable code.
12093 * tree.h (unsave_expr_1): New function.
12094 (lang_unsave): New variable.
12095 (get_callee_fndecl): New function.
12096 * tree.c (unsave_expr_now_r): New function.
12097 (lang_unsave): Define.
12098 (unsave_expr_1): Likewise.
12099 (unsave_expr_now_r): Split out from unsave_expr_now.
12100 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
12101 call unsave_expr_now_r.
12102 (get_callee_fndecl): Define.
12104 * Makefile.in (gencheck): Don't depend on lang_tree_files.
12105 (gencheck.o): Do depend on lang_tree_files.
12107 * integrate.h (copy_decl_for_inlining): New declaration.
12108 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
12109 (copy_decl_for_inlining): New function.
12110 (integrate_parm_decls): Use it.
12111 (integrate_decl_tree): Likewise.
12113 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
12115 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
12116 the second two from the first.
12117 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
12118 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
12119 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
12121 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
12122 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
12125 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
12127 * pa.md (call_internal_symref, call_value_internal_symref): No mode
12128 needed on the address operand.
12129 * pa.c (call_operand_address): Check for the correct mode.
12131 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
12133 * loop.c: Include "basic-block.h".
12134 (try_copy_prop, replace_loop_reg): New functions.
12135 (load_mems): Detect registers that just hold copies of the hoisted
12136 mem, and call try_copy_prop to eliminate them.
12137 * Makefile.in (loop.o): Update dependencies.
12139 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
12141 * Makefile.in (gencheck.o): Depend on gencheck.h.
12142 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
12143 (insn-peep.o): Depend on except.h and function.h.
12144 (insn-attrtab.o): Depend on RECOG_H.
12145 (insn-output.o): Depend on toplev.h and flags.h.
12146 (gengenrtl.o): Depend on real.h.
12147 (gen-protos.o): Depend on cpplib.h and cpphash.h.
12148 Unify all dependencies to be on RECOG_H rather than recog.h.
12150 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12152 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
12153 * configure.in: Try building a bi-arch 32/64-bit compiler on
12154 sparc-*-solaris2.7 and higher.
12155 * configure: Rebuild.
12157 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
12159 * config/freebsd.h: New, FreeBSD architecture independent file.
12160 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
12161 independent pieces.
12162 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
12163 directly by i386/freebsd.h.
12164 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
12165 independent configuration file.
12166 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
12167 directly by i386/freebsd.h.
12168 * configure: Rebuilt.
12170 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
12171 which is in the user's namespace.
12172 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
12173 `i386' which is not in our namespace.
12175 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
12177 * invoke.texi (ARM Options): Add in -mno-alignment-traps
12179 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
12181 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
12182 (add_dwarf_attr, add_child_die): Just push onto the front.
12183 (reverse_die_lists): New fn.
12184 (add_sibling_attributes): Use it.
12185 (push_decl_scope): Reorganize.
12186 (add_name_and_src_coords_attributes): Don't set file and line for
12187 an artificial decl.
12188 (gen_subprogram_die): An artificial function doesn't need to match
12190 (gen_compile_unit_die): Return the generated die. Only add
12191 AT_comp_dir if the filename is relative.
12192 (remove_AT): Simplify loop. Also free string values.
12193 (output_die): A DIE ref can't be null.
12194 (output_value_format, value_format): Take a dw_attr_ref.
12195 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
12196 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12197 AT_addr, AT_lbl): New fns.
12198 (various): Use them.
12199 (various): Constify.
12201 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12203 * combine.c (combine_simplify_rtx): When handling a SUBREG,
12204 take SUBREG_WORD into account.
12205 (if_then_else_cond): Likewise.
12207 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
12209 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
12210 clause from BSD license, pursuant with
12212 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
12214 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
12216 * loop.c (load_mems): Reformat slightly.
12217 * basic-block.h (regset_head): New typedef.
12218 (INIT_REG_SET): New macro.
12220 1999-11-22 Bruce Korb <autogen@linuxbox.com
12222 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
12223 (mips-dec-bsd*): non-functional code
12224 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
12226 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
12227 added three replacement fixes
12228 (no_double_slash): removed comments that are not (any longer) pertinent
12229 (bad_lval): this fix currently runs against many files.
12230 The comment seems to indicate that we should select for files
12231 containing 'pragma extern_prefix'.
12233 * fixinc/fixinc.x86-linux-gnu: deleted
12234 * fixinc/inclhack.sh: regen
12235 * fixinc/fixincl.x: regen
12236 * fixinc/fixincl.sh: regen
12238 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
12240 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
12241 its code is INSN and it has no notes.
12243 1999-11-22 Andrew Haley <aph@cygnus.com>
12245 * varasm.c (function_defined): Remove.
12246 (make_function_rtl): Don't set function_defined.
12247 (make_decl_rtl): Remove global register warning.
12248 * regclass.c (no_global_reg_vars): New variable.
12249 (globalize_reg): Warn if function has already been defined.
12250 (regclass_init): Set no_global_reg_vars.
12252 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12254 * regclass.c (reg_pref): New structure and static variable
12255 (prefclass): Delete.
12256 (altclass): Delete.
12257 (all uses of prefclass and altclass): Use reg_pref instead.
12259 1999-11-21 Nick Clifton <nickc@cygnus.com>
12261 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
12263 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
12264 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
12265 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
12267 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
12269 * varasm.c (output_constructor): Solve problem with long long
12270 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
12272 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12274 * global.c (allocno): New structure and static variable.
12275 (allocno_reg): Remove, all references replaced by allocno.
12276 (allocno_size): Likewise.
12277 (hard_reg_conflicts): Likewise.
12278 (hard_reg_preferences): Likewise.
12279 (hard_reg_copy_preferences): Likewise.
12280 (hard_reg_full_preferences): Likewise.
12281 (regs_someone_prefers): Likewise.
12282 (allocno_calls_crossed): Likewise.
12283 (allocno_n_refs): Likewise.
12284 (allocno_live_length): Likewise.
12285 (find_reg): Rename ALLOCNO to NUM.
12287 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
12288 references updated.
12289 (may_move_out_cost): New variable.
12290 (init_reg_sets_1): Initialize may_move_out_cost.
12291 (record_reg_classes): Use may_move_out_cost.
12293 * regclass.c (dump_regclass): New function.
12294 (regclass): New parameter DUMP, call DUMP_REGCLASS.
12295 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
12296 pass rtl_dump_file to regclass.
12297 * rtl.h (regclass): Update prototype.
12299 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12301 * i386.md (neg, not and abs patterns): Revmap to use
12302 ix86_expand_unary_operator and ix86_unary_operator_ok.
12303 (add?f and sub?f expanders): Force operand 1 to register.
12304 * i386.c (ix86_expand_unary_operator): Rewrite.
12305 (ix86_unary_operator_ok): Ensure that memory operands
12307 (ix86_binary_operator_ok): Do not allow operand 1 to
12308 come into memory and operand 0 not.
12309 (ix86_expand_binary_operator): Ensure that
12310 src1 is not non-matching memory.
12312 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
12313 to support integer registers and memory.
12314 (abss?2_integer): Likewise.
12316 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
12317 (REG_CLASS_NAMES): Likewise.
12318 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
12320 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
12321 (movsf): Likewise; unify 4th and 5th alternative.
12322 (pushdf): Likewise.
12323 (movdf_1): Likewise; rename to movdf_integer.
12324 (pushxf): Likewise; rename to pushxf_integer; fix output template;
12325 remove redundant splitter.
12326 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
12327 (movdf_nointeger): New.
12328 (movxf_nointeger): New.
12329 (pushxf_nointeger): New.
12331 * i386.md (extend?f?f): Split to expander and pattern, refuse two
12332 memory operands in patterns.
12333 (fop*): Refuse two memory operands.
12335 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
12336 on !TARGET_USE_CLTD CPUs.
12338 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
12340 * extend.texi: Document C++ restricted pointers and references.
12342 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
12344 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
12345 (invalidate_skipped_set): Call it unconditionally.
12346 (cse_set_around_loop): Likewise.
12348 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12350 * rtl.texi (mem): Add documentation for alias-set argument
12353 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12355 * i386.h (struct_processor_costs): New fields int_load, int_store,
12356 fp_move, fp_load and fp_store
12357 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
12359 (MEMORY_MOVE_COST): New macro.
12360 * i386.c (386_cost): Define new fields.
12361 (i486_cost): Likewise.
12362 (pentium_cost): Likewise.
12363 (pentiumpro_cost): Likewise.
12364 (k6_cost): Likewise.
12366 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
12367 Geoffrey Keating <geoffk@cygnus.com>
12369 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
12371 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
12374 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
12375 (TARGET_STRICT_ALIGNMENT): New macro.
12376 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
12377 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
12378 * invoke.texi (M680x0 Options): Document -mstrict-align.
12380 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
12381 Richard Henderson <rth@cygnus.com>
12383 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
12384 (ix86_split_long_move): Declare.
12385 * i386.c (split_xf, ix86_split_movdi): Remove.
12386 (ix86_split_to_parts, ix86_split_long_move): New.
12387 * i386.md (dimode move splitters): Use ix86_split_long_move.
12388 (dfmode move splitters): Likewise.
12389 (xfmode move splitters): Likewise.
12390 (movsf_1): Allow F->r.
12391 (movdf_1, movxf_1): Allow F->ro.
12393 1999-11-17 Mark Mitchell <mark@codesourcery.com>
12395 * except.h (struct eh_entry): Add goto_entry_p.
12396 (eh_region_from_symbol): Remove prototype.
12397 * except.c (find_func_region_from_symbol): New function.
12398 (emit_cleanup_handler): Likewise.
12399 (eh_region_from_symbol): Make it static.
12400 (add_new_handler): Verify the argument.
12401 (find_func_region): Update comment.
12402 (expand_eh_region_end): Expand handlers here, rater than waiting
12403 until expand_leftover_cleanups or start_all_catch.
12404 (expand_leftover_cleanups): Don't expand here.
12405 (expand_start_all_catch): Or here.
12406 (expand_rethrow): Check the return value from find_func_region.
12407 * function.c (expand_function_end): Emit the catch_clauses.
12409 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
12411 * integrate.c (expand_inline_function): Add necessary check for NULL.
12413 1999-11-18 Nick Clifton <nickc@cygnus.com>
12415 * toplev.c (main): Correctly detect an unrecognised option.
12417 * cppinit.c (cpp_handle_option): Do not claim to have consumed
12418 a -f option if it has not been recognised.
12420 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
12422 * basic-block.h (update_life_extent): Remove trailing comma on
12423 enumeration type list.
12425 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12427 * varasm.c (output_constructor) Solved problem with long long
12428 bitfields. Corrected calculating this_time and shift. Also
12429 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
12431 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
12433 * flow.c (split_edge): Take looping structure into account when
12434 determining where to put the new block note.
12436 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
12438 * Makefile.in (ggc-none.o): Provide host specific version if
12441 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
12443 * cse.c (delete_trivially_dead_insns): Identify no-op insns
12444 containing subregs too.
12446 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12448 * invoke.texi: Add documentation for -muninit-const-in-rodata.
12449 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
12450 (TARGET_UNINIT_CONST_IN_RODATA): Define.
12451 (text_section): Add switches -munint-const-in-rodata and
12452 -mno-uninit-const-in-rodata.
12453 (ASM_OUTPUT_COMMON): Remove.
12454 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
12455 const objects should be placed in read-only data. Otherwise declare
12458 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
12460 * jump.c (jump_optimize_1): Revert last change.
12462 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
12464 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
12465 test if optimizing for size.
12467 1999-11-17 Mark Mitchell <mark@codesourcery.com>
12469 * Makefile.in (toplev.o): Depend on except.h.
12470 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
12472 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12474 * i386.md (divmodsi4): Rewrite to expander.
12475 (*divmodsi4_nocltd): New.
12476 (*divmodsi4_cltd): New.
12477 (divmodsi4 splitter): Handle the case when input comes in edx.
12478 (udivmodhi4): Do not use constraints in exander.
12479 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
12481 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
12483 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
12484 for the common case.
12486 1999-11-16 Jakub Jelinek <jakub@redhat.com>
12488 * explow.c (hard_function_value): Add outgoing argument.
12489 * expr.h (hard_function_value): Declare it.
12490 * calls.c (expand_call, emit_library_call_value): Update callers.
12491 * function.c (aggregate_value_p): Ditto.
12492 (diddle_return_value): Must look at the outgoing registers
12493 on archs with register windows.
12495 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
12497 * alpha.c (alpha_build_va_list): Use make_lang_type and
12498 initialize TYPE_NAME for the va_list record.
12500 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
12502 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
12504 * ggc.h (struct ggc_statistics): Rearrange elements for better
12505 packing on 64-bit hosts.
12506 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
12507 (compute_nearerout): Likewise.
12509 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
12511 * config/rs6000/rs6000.c (first_reg_to_save): Save
12512 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
12514 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
12516 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
12517 notion of nesting to find the DIE for a type or function.
12518 DIEs can go in limbo even if we got a context_die.
12519 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
12520 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
12522 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
12523 (gen_type_die): Writing out the context doesn't cause member class
12524 template instantiations to be written out as well.
12526 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
12528 * rs6000.h (ASM_OUTPUT_DEF): New.
12529 Based on proposed addition from David Edelsohn.
12531 1999-11-15 Robert Lipe <RobertLipe@usa.net>
12532 Bruce Korb <autogen@linuxbox.com>
12534 * fixinc/inclhack.def
12535 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
12536 (unixware7_byteorder_fix): added. Removes conflicts for new defs
12538 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
12539 (svr4_endian): enabled with SVR5
12540 (svr4_mkdev): simplified syntax and enabled with SVR5
12542 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
12544 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
12545 * configure: Rebuilt.
12546 * config/t-freebsd-thread: New file.
12548 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
12550 * i386.c (ix86_decompose_address): Verify the base is a REG
12551 before trying to examine its register number.
12553 * basic-block.h: Remove all #defines and prototypes related to
12555 (free_bb_mem, compute_preds_succs): Remove prototype.
12556 * rtl.h (free_bb_mem): Remove prototype.
12557 * flow.c (alloc_int_list_node); Remove function.
12558 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
12559 (compute_preds_succs, free_bb_mem): Likewise.
12560 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
12561 * toplev.c (rest_of_compilation): Likewise.
12562 * haifa-sched.c (build_control_flow): Use flow generated edge
12563 list to build the haifa specific edge list.
12564 (find_rgns): Use new CFG data structures instead of pred/succ lists.
12565 (schedule_insns): Do not build pred/succ lists anymore. Instead
12566 build the edge table.
12568 * basic-block.h (dump_bb_data): Remove declaration.
12569 * flow.c (dump_bb_data): Remove function.
12570 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
12571 (sbitmap_union_of_predsucc): Likewise.
12573 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
12574 argument. All callers changed.
12575 (delete_null_pointer_checks_1): No longer need to compute the
12578 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
12579 All callers changed.
12580 (pre_expr_reaches_here_p_work): Likewise.
12581 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
12582 * lcm.c (compute_laterin): Fix initialization of LATER.
12583 (compute_nearerout): Similarly for NEARER.
12585 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12587 * cse.c (set_nonvarying_address_components): Delete unused function.
12588 (refers_to_p): Likewise.
12590 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
12592 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
12595 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12597 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
12598 definition in do while (0).
12600 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
12602 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
12604 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
12606 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
12608 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12610 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
12611 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
12612 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
12613 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
12615 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
12616 saved on the stack. Output more accurate stack frame statistics
12617 into assembler file.
12619 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
12621 * genextract.c (record_insn_name): New function.
12622 (get_insn_name): No longer a stub.
12623 (main): Call record_insn_name for each insn. After each label
12624 written, print the insn name in a comment.
12626 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12628 * output.h (const_section, init_section, fini_section): Add
12631 * alpha/elf.h (const_section): Delete declaration.
12633 * svr4.h (const_section): Likewise.
12635 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
12637 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
12638 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
12639 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
12641 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
12642 variable-sized array bounds.
12644 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
12646 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
12649 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12651 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
12652 addresses the same way GO_IF_LEGITIMATE_INDEX does.
12654 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12656 * cse.c (hash_arg_in_struct): Delete.
12657 (struct table_elt): Delete elt in_struct.
12658 (struct set): Delete elt src_in_struct.
12659 (merge_equiv_classes): Don't set either hash_arg_in_struct or
12660 the corresponding in_struct elts.
12661 (canon_hash): Likewise.
12662 (safe_hash): Likewise.
12663 (find_best_addr): Likewise.
12664 (record_jump_cond): Likewise.
12665 (cse_insn): Likewise.
12667 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
12669 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
12671 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
12674 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
12676 * function.c (diddle_return_value): Put back check that the DECL_RTL
12677 for the function is a register.
12679 * function.c (diddle_return_value): Use hard_function_value to
12680 get an rtx suitable for use in the USE/CLOBBER insn.
12682 * global.c (global_conflicts): Update comments.
12683 (record_conflicts): No need to record conflicts between pseudos here.
12685 1999-11-11 Bruce Korb <autogen@linuxbox.com>
12687 * fixinc/fixincl.c: Added verbose levels for status messages
12689 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12691 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
12692 operand as argument to expand_and or expand_binop.
12694 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
12696 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
12697 gcc_add_string_root.
12699 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
12701 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
12703 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
12705 * flow.c (compute_flow_dominators): Initially put all blocks on
12707 * lcm.c (compute_antinout_edge, compute_available): Similarly.
12708 * gcse.c (compute_cprop_avinout): Remove.
12709 (compute_cprop_data): Use compute_available.
12710 (delete_null_pointer_checks_1): Use compute_available.
12712 * basic-block.h (compute_available): Returns a void now.
12713 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
12714 to return a value anymore.
12715 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
12716 worklists. Fix boundary cases. Compute maximal solutions.
12717 (compute_laterin, compute_nearerout): Similarly.
12719 * dwarf2out.c (add_AT_location_description): Allow
12720 (mem (plus (pseudo) (...)) too.
12722 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
12724 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
12726 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
12727 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12729 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
12731 * gansidecl.h: Likewise.
12737 * toplev.h: Likewise.
12739 * tree.c: Likewise.
12741 * tree.h: Likewise.
12743 * varray.c: Likewise.
12745 * varray.h: Likewise.
12747 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
12749 * gcov.c (struct arcdata): Add hits and total, remove prob.
12750 (output_branch_counts): New.
12751 (process_args): Set output_branch_counts if -c.
12752 (calculate_branch_probs): Store hits and total instead of
12754 (output_data): Emit counts if output_branch_counts is true.
12755 * gcov.texi (Invoking Gcov): Document -c switch..
12757 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
12759 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
12760 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
12762 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
12764 * invoke.texi (C Dialect Options): Add missing builtins from
12765 c-common.c to list.
12766 * extend.texi (Other Builtins): Copy to this list.
12768 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12770 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
12771 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
12772 redundant bitmap.h.
12774 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
12776 * flow.c (compute_flow_dominators): No longer treat basic block 0
12777 or (n_basic_blocks - 1) specially. Clear the AUX field before
12778 starting computation of doms/pdoms. Fix initial state for pdoms.
12780 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12782 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
12783 match rtl.o's: added ggc.h and toplev.h
12784 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
12785 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
12786 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
12788 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
12790 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
12791 from HAVE_DOS_BASED_FILESYSTEM.
12792 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
12793 HAVE_DOS_BASED_FILESYSTEM.
12795 (split_directories): Only special-case DOS file names if
12796 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
12797 instead of explicit tests. Conditionalize on !VMS.
12798 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
12799 tests. Conditionalize on !VMS.
12800 (process_command): Only use make_relative_prefix if !VMS.
12801 (free_split_directories): Conditionalize on !VMS.
12802 (DIR_UP): Conditionalize on !VMS.
12804 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
12806 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
12808 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
12810 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
12813 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
12815 * invoke.texi (Environment Variables): Document relative path
12817 * gcc.c (DIR_UP): If not defined, define as "..".
12818 (standard_bindir_prefix): New static, holds target location to
12820 (split_directories): New function to split a filename into
12821 component directories.
12822 (free_split_directories): New function, release memory allocated
12823 by split_directories.
12824 (make_relative_prefix): New function, make a relative pathname if
12825 the compiler is not in the expected location.
12826 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
12827 can figure out an appropriate prefix from argv[0].
12828 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
12829 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
12830 STANDARD_BINDIR_PREFIX.
12832 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12834 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
12836 * config/c4x/c4x.h: Moved prototypes to c4x.h.
12837 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
12838 c4x_secondary_memory_needed) Delete.
12839 (fp_zero_operand): Add mode argument.
12841 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
12843 * reload1.c (reload_reg_free_for_value_p): Don't use a register
12844 that is in reload_reg_used.
12846 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
12848 * config/arm/arm-protos.h: New file: Prototypes for functions
12849 defined in arm.c and pe.c.
12850 * config/arm/arm.h: Fix compile time warnings.
12851 * config/arm/arm.c: Fix compile time warnings.
12852 * config/arm/pe.h: Fix compile time warnings.
12853 * config/arm/aout.h: Fix compile time warnings.
12855 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
12857 * config/m32r/m32r-protos.h: New file: Prototypes for functions
12860 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
12861 Add support for subtargets.
12862 Add prototypes for new predicates.
12863 Add scheduling macros.
12865 * config/m32r/m32r.c: Fix compile time warnings.
12866 (int8_operand): New predicate function.
12867 (reg_or_cmp_int16_operand): New predicate function.
12868 (extend_operand): New predicate function.
12869 (m32r_adjust_code): New scheduling function.
12870 (m32r_adjust_priorty): New scheduling function.
12871 (m32r_sched_init): New scheduling function.
12872 (m32r_sched_reorder): New scheduling function.
12873 (m32r_sched_variable_issue): New scheduling function.
12874 (direct_return): New codegen function.
12875 (m32r_not_same_reg): New rtl testsing function.
12877 * config/m32r/m32r.md: Fix compile time warnings.
12878 Add support for pre decrement and post increment memory
12880 Add S<cc> patterns.
12883 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12885 * global.c (EXECUTE_IF_CONFLICT): Don't define.
12886 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
12887 (find_reg): Likewise.
12889 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
12891 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
12892 to avoid assembler errors.
12894 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
12896 * config/v850/v850-protos.h: New file: Prototypes for functions
12898 * config/v850/v850.h: Move prototypes to v850-protos.h
12899 * config/v850/v850.c: Move prototypes to v850-protos.h
12900 * config/v850/v850.md: Fix compile time warnings.
12902 * config/fr30/fr30-protos.h: New file: Prototypes for functions
12904 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
12905 * config/fr30/fr30.c: Fix compile time warnings.
12906 * config/fr30/fr30.md: Fix compile time warnings.
12908 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
12910 * tree.h (get_containing_scope): Declare it.
12911 * tree.c (get_containing_scope): New fucntion.
12912 (decl_function_context): Use it.
12913 * toplev.c (rest_of_compilation): Use get_containing_scope.
12915 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12917 * Makefile.in (rtl.o): Depend on toplev.h.
12919 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
12921 * cse.c (delete_trivially_dead_insns): Replace alloca with
12923 * except.c (update_rethrow_references): Likewise.
12924 (init_eh_nesting_info): Likewise.
12925 * function.c (identify_blocks): Likewise.
12926 * gcse.c (dump_hash_table): Likewise.
12927 * graph.c (print_rtl_graph_with_bb): Likewise.
12928 * loop.c (combine_movables): Likewise.
12929 (move_movables): Likewise.
12930 (count_loop_regs_set): Likewise.
12931 (strength_reduce): Likewise.
12932 * profile.c (compute_branch_probabilities): New function, split
12934 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
12935 * regclass.c (regclass): Likewise.
12936 * regmove.c (regmove_optimize): Likewise.
12937 * toplev.c (compile_file): Likewise.
12938 (main): Don't mess with the stack rlimit.
12940 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
12942 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
12943 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
12945 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
12947 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
12949 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
12951 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
12952 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
12955 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
12957 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
12959 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
12961 * gcse.c (post_dominators): Kill.
12962 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
12963 (compute_code_hoist_data): Use compute_flow_dominators. Do not
12964 pass in a pdom array since we do not need pdoms.
12965 * haifa-sched.c (schedule_insns): Similarly.
12966 * flow.c (compute_dominators): Remove dead function.
12967 (compute_flow_dominators): Do not compute doms or pdoms if the
12968 caller does not request them. Split up loop to build doms and
12969 pdoms. Use a worklist to compute doms and pdoms.
12970 * basic-block.h (compute_dominators): Remove prototype.
12972 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
12974 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
12975 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
12976 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
12977 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
12978 (cant_move, fed_by_spec_load, is_load_insn): Remove.
12979 (schedule_region): Remove unused variable.
12980 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
12982 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
12984 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
12985 (update_equiv_regs): Likewise.
12986 (block_alloc): Likewise.
12987 * reg-stack.c (reg_to_stack): Likewise.
12988 (convert_regs_2): Likewise.
12989 * reload1.c (reload_as_needed): Likewise.
12991 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
12993 * Makefile.in (dbxout.o): Depend on ggc.h.
12994 (dwarf2out.o): Likewise.
12995 (xcoffout.o): Likewise.
12996 * dbxout.c: Include ggc.h.
12997 (dbxout_init): Register lastfile as a root.
12998 * dwarf2out.c: Include ggc.h.
12999 (dwarf2out_line): Register lastfile as a root.
13000 * xcoffout.c: Include ggc.h.
13001 (xcoffout_source_line): Register xcoff_lastfile as a root.
13003 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
13005 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
13007 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
13009 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
13011 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
13013 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13015 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
13016 (EXECUTE_IF_CONFLICT): Likewise.
13017 (ALLOCNO_LIVE_P): Avoid signed division.
13018 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
13019 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
13020 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
13022 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
13024 * haifa-sched.c (schedule_block): Don't crash if there's no
13025 next insn for an interblock movement.
13026 (add_branch_dependences): Don't allow clobber insns to move either.
13028 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
13030 * i386.c (split_xf): New.
13031 * i386-protos.h: Declare it.
13032 * i386.md (movxf_1): Add general regs alternatives.
13033 (movxf_1+1): New splitter for same.
13035 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
13037 * function.c (purge_addressof_1): Add missing return values.
13039 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
13041 * function.c (is_addressof): New function. Returns true if
13042 the given piece of RTL is an ADDRESSOF.
13043 (purge_addressof_1): Make boolean. Return false if the
13044 ADDRESSOFs could not be purged.
13045 (purge_addressof): If ADDRESSOFs could not be purged from the
13046 notes attached to an insn, remove the offending note(s),
13047 unless they are attached to a libcall.
13049 1999-11-05 Andreas Jaeger <aj@suse.de>
13051 * genoutput.c (null_operand =): Initialize all fields.
13053 * errors.h: Add extern to prototypes.
13055 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
13057 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
13058 * configure: Rebuilt.
13060 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13062 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
13063 (mirror_conflicts): New function.
13064 (global_alloc): Call it.
13065 (expand_preferences): Remove redundant CONFLICTP test.
13066 (find_reg, dump_conflicts): Likewise.
13067 (prune_preferences): Process conflicts one word at a time.
13069 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
13071 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
13072 instead of an explicit loop.
13074 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
13076 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
13077 if REG_RETVAL check succeeds, then put classp in src_elt.
13079 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
13081 * function.c (pad_to_arg_alignment): Only update argument_pad
13082 if the argument's alignment is greater than STACK_BOUNDARY.
13084 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
13086 * bitmap.h (BITMAP_XFREE): New.
13087 * flow.c (life_analysis): Use it.
13088 (life_analysis_1): Free blocks.
13090 * combine.c (undo_commit): New.
13091 (try_combine): Use it. Don't zap undobuf.undos.
13092 (combine_instructions): Don't zap undobuf.undos; free the
13093 undobuf.frees list.
13095 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
13097 * stmt.c (cost_table_): New.
13098 (estimate_case_costs): Use it instead of xmalloc.
13100 * toplev.c (compile_file): Reuse dumpname memory instead
13103 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
13105 * reg-stack.c (convert_regs_1): Initialize target_stack->top
13106 after verifying an EH edge.
13108 * haifa-sched.c (init_rgn_data_dependences): Correctly
13109 size bb_pending_lists_length when zeroing.
13111 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
13113 * function.c (diddle_return_value): New.
13114 (expand_function_end): Use it.
13115 * stmt.c (expand_null_return): Likewise.
13116 (expand_value_return): Likewise.
13118 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
13120 * reload1.c (reload): Don't remove return value clobbers.
13122 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
13124 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
13126 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
13128 * cse.c (cse_main): Use xmalloc, not alloca.
13129 (cse_basic_block): Likewise.
13130 * local-alloc.c (local_alloc): Likewise.
13132 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
13133 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13135 * rtl.c: Include toplev.h.
13136 (fatal): Remove declaration.
13138 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
13140 * haifa-sched.c (schedule_block): Fix thinko.
13142 1999-11-03 James McKelvey <mckelvey@fafnir.com>
13144 * fixinc/fixincl.c(create_file): Allow for systems that do not have
13145 S_IR* defined values
13147 1999-11-03 Philippe De Muyter <phdm@macqel.be>
13149 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
13150 call `malloc' instead.
13152 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
13154 * flags.h (flag_renumber_insns): Declare.
13155 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
13157 * rtl.h (renumber_insns): Change prototype.
13158 * toplev.c (flag_renumber_insns): Define.
13159 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
13161 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
13163 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
13164 and fpsqrtd. Use them and create fdiv function unit to more
13165 accurately represent fpu sqrt pipeline semantics on UltraSparc.
13166 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
13168 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
13170 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
13172 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
13173 insn into ready list, do not use just a raw swap.
13175 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
13177 * rtl.h (renumber_insns): New function.
13178 (remove_unnecessary_notes): Likewise.
13179 * emit-rtl.c (renumber_insns): Define.
13180 (remove_unncessary_notes): Likewise.
13181 * toplev.c (rest_of_compilation): Remove dead code.
13182 Use renumber_insns and remove_unncessary_notes.
13184 * gcse.c (struct null_pointer_info): New type.
13185 (get_bitmap_width): New function.
13186 (current_block): Remove.
13187 (nonnull_local): Likewise.
13188 (nonnull_killed): Likewise.
13189 (invalidate_nonnull_info): Take a null_pointer_info as input.
13190 (delete_null_pointer_checks_1): New function.
13191 (delete_null_pointer_checks): Use it.
13193 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
13194 (split_edges): Likewise.
13195 (schedule_block): Likewise.
13196 (compute_block_backward_dependencies): Likewise.
13197 (schedule_region): Likewise.
13198 (schedule_insns): Likewise.
13200 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
13202 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
13203 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
13204 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
13205 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
13206 * jump.c (delete_unreferenced_labels): Don't delete if
13207 LABEL_ALTERNATE_NAME is set.
13208 * print-rtl.c (print_rtx): Dump alternate name.
13209 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
13210 * rtl.h (LABEL_ALTERNATE_NAME): Define.
13211 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
13212 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
13214 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13216 * fix-header.c (recognized_extern, recognized_function): Constify
13219 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
13220 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
13221 (compute_available): Remove unused variable `last'.
13222 (compute_nearerout): Remove unused variable `temp_bitmap'.
13223 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
13224 Remove unused variable `x'.
13226 * scan.h (recognized_function, recognized_extern): Constify a
13229 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
13231 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13233 * varasm.c (decode_rtx_const): Use XSTR to access the string
13236 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
13238 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
13240 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13242 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
13244 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
13246 * pa.c (ireg_operand): New function.
13247 * pa.h (PREDICATE_CODES): Handle ireg_operand.
13248 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
13249 Fix out of date comment.
13251 * pa.md (negdi2): Turn into expander + anonymous pattern.
13253 * reload.c (find_reloads): Fix typos in recent change.
13255 * dwarf2out.c: Do not include ctype.h.
13257 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13259 * regclass.c (record_reg_classes): Always use may_move_cost when
13260 seeing how operand fits with various register classes.
13262 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
13264 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
13265 * toplev.c: Revert Nov 1 13:22 change.
13267 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
13269 * config/pa/pa.md (height reduction patterns): Add checks for
13270 overlapping operands to avoid semantic-destroying splits for
13271 height reduction patterns.
13273 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13275 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
13276 have been an hyphen, fixed.
13277 * configure: Rebuilt.
13279 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
13281 * config/arm/tpe.h: Add prototypes for exported functions.
13282 * config/arm/pe.c: Fix compile time warnings.
13283 * config/arm/semi.h: Fix compile time warnings.
13284 * config/arm/arm.c: Fix compile time warnings.
13285 * config/arm/arm.h: Fix compile time warnings.
13286 * config/arm/arm.md: Fix compile time warnings.
13287 * config/arm/thumb.c: Fix compile time warnings.
13288 * config/arm/thumb.h: Fix compile time warnings.
13289 * config/arm/thumb.md: Fix compile time warnings.
13291 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
13293 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
13296 * unroll.c (unroll_loop): Remove LOOP notes when loop is
13297 completely unrolled.
13299 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13301 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
13303 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
13305 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
13306 * rtl.h (rtx_equal_p): Move prototype.
13307 * rtl.c (rtx_equal_function_value_matters): Move from
13309 (rtx_equal_p): Likewise.
13310 * rtlanal.c (rtx_equal_function_value_matters): Delete.
13311 (rtx_equal_p): Likewise.
13313 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
13315 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
13316 ! HAS_INIT_SECTION.
13318 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
13320 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
13322 * pa.h (ADDR_VEC_ALIGN): Define.
13324 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
13325 notes when presented with "if (foo) break; end_of_loop" and
13326 the break sequence gets moved out of the loop.
13328 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
13329 Remove explicit zero initializations of entries within MAP.
13331 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
13333 * reg-stack.c (convert_regs_1): Handle EH edges specially.
13335 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
13337 * bitmap.h (BITMAP_XMALLOC): New macro.
13338 * flow.c (CLEAN_ALLOCA): Remove.
13339 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
13340 (life_analysis): Likewise.
13341 (update_life_info): Don't use CLEAN_ALLOCA.
13342 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
13343 (calculate_global_regs_live): Likewise.
13344 (print_rtl_with_bb): Likewise.
13345 (verify_flow_info): Likewise.
13346 * global.c (global_alloc): Likewise.
13347 (global_conflicts): Likewise.
13348 * integrate.c (save_for_inline_nocopy): Likewise.
13349 (expand_inline_function): Likewise.
13350 * jump.c (jump_optimize_1): Likewise.
13351 (duplicate_loop_exit_test): Likewise.
13352 (thread_jumps): Likewise.
13353 * loop.c (loop_optimize): Likewise.
13354 (combine_givs): Likewise.
13355 (recombine_givs): Likewise.
13356 * reorg.c (dbr_schedule): Likewise.
13357 * unroll.c (unroll_loop): Likewise.
13359 * combine.c (combine_instructions): Use xmalloc instead of alloca.
13361 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
13363 * toplev.c (rest_of_compilation): Don't optimize the CFG
13364 when rebuilding, just before dbr.
13366 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13368 * output.h (assemble_end_function, assemble_destructor,
13369 assemble_constructor, assemble_gc_entry, assemble_global,
13370 assemble_label, output_constant_pool) Constify a char*.
13372 * varasm.c (assemble_destructor, assemble_constructor,
13373 assemble_gc_entry, assemble_end_function, assemble_global,
13374 assemble_label, output_constant_pool): Likewise.
13376 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
13378 * config/arm/thumb.c (thumb_expand_prologue): Add comments
13379 explaining what is goin on in this function.
13381 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13383 * regclass.c (record_reg_classes): In matching case, recompute
13384 costs since the direction of movement is different.
13386 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13388 * resource.c (mark_target_live_regs): For unconditional branches,
13389 the resources found at the branch target should be added to the
13390 resources found so far, not intersected.
13392 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
13394 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
13396 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
13397 (sys/mman.h): Include this file only if #HAVE_MMAP.
13398 (run_compiles): Initialize `esac_fmt' with one old KR string, not
13399 with automatically concatenated ANSI strings.
13401 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
13403 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
13404 (DIV_ROUND_UP): Robustify.
13405 (ggc_recalculate_in_use_p): New function.
13406 (release_pages): Don't inline it.
13407 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
13409 (ggc_pop_context): Use ggc_recalculate_in_use_p.
13410 (clear_marks): Always save in_use_p.
13411 (sweep_pages): Use ggc_recalculate_in_use_p.
13412 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
13413 Release pages before counting statistics.
13415 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
13417 * toplev.c (rest_of_compilation): Fix thinko in this change:
13419 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
13421 (rest_of_compilation): If inside an inlined external function,
13422 pretend we are just being declared.
13424 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
13426 * flow.c (calculate_global_regs_live): Fix thinko.
13428 * integrate.c (expand_inline_function): Fix bugs in previous
13429 change from Oct 28, 1999.
13431 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
13433 * stmt.c (expand_value_return): Fix typo in this change:
13435 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13436 (expand_value_return): Correctly convert VAL when promoting function
13437 return; support RETURN_REG being a PARALLEL.
13439 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
13441 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
13443 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13445 * hard-reg-set.h (reg_names): Constify a char*.
13447 * regclass.c (reg_names): Likewise.
13449 * regs.h (reg_names): Likewise
13451 * a29k/a29k.c (reg_names): Delete declaration.
13453 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
13455 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
13456 arc_output_function_epilogue): Likewise.
13458 * elxsi/elxsi.c (reg_names): Likewise.
13460 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
13462 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
13465 * m88k/m88k.c (output_function_profiler): Likewise.
13467 * sparc/sparc.c (sparc_flat_output_function_prologue,
13468 sparc_flat_output_function_epilogue): Likewise.
13470 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
13472 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
13473 warning from -Wuninitialized and put it under -W.
13474 * function.c (uninitialized_vars_warning): Warn only when the
13475 corresponding flag is set.
13477 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
13479 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
13480 is nonzero and the single set does not have an elt, then assign
13483 * simplify-rtx.c: New file.
13484 * Makefile.in (OBJS): Add simplify-rtx.o
13485 (simplify-rtx.o): Add dependencies.
13486 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
13487 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
13488 (cse_gen_binary, simplify_unary_operation): Delete.
13489 (simplify_binary_operation, simplify_plus_minus): Likewise.
13490 (check_fold_consts, simplify_relation_operation): Likewise.
13491 (simplify_ternary_operation): Likewise.
13492 (delete_trivially_dead_insns): Simplify the contents of the
13493 REG_EQUAL note before trying to substitute it into the source
13494 of the reg-reg copy at the end of a libcall sequence.
13496 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
13497 references/callers changed.
13499 * mn10200.c (mn10200_va_arg): Force the return value into a
13502 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
13504 * cccp.c (macroexpand): Avoid out of range accesses for omitted
13507 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
13509 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
13511 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
13513 * fold-const.c (fold): Fix thinko when optimizing comparisons
13516 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
13518 * gcc.texi (Passes): Update front-end files to their current
13521 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
13523 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
13524 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
13525 (PREDICATE_CODES): Add addition_operation.
13526 * alpha-protos.h (addition_operation): Declare.
13527 (secondary_reload_class): Likewise.
13528 * alpha.c (addition_operation): New.
13529 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
13530 * alpha.md (adddi3): Turn into expander.
13531 (*lda, *adddi_2): New.
13532 (movsf, movdf patterns): Don't preference integer regs.
13533 (movsi, movdi patterns): Don't preference fp regs.
13535 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
13537 * genrecog.c (write_switch): Check for duplicate CODE cases.
13539 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
13541 * ggc-common.c: Update pre-function commentary.
13542 * ggc-page.c: Likewise.
13544 (poison_pages): Use memset directly.
13545 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
13546 (ggc_collect): Poison before sweeping.
13547 * ggc-simple.c: Update pre-function commentary.
13548 (ggc_alloc_obj): Poison non-zeroed memory.
13550 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
13552 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
13553 match format string, even on 64-bit hosts.
13554 * gcc-page.c (ggc_page_print_statistics): Likewise.
13556 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
13558 * config/i386/i386.c (ix86_cpu): Revert last patch.
13559 * config/i386/i386.h (ix86_cpu): Ditto.
13561 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
13563 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
13564 TYPE_SIZE, convert type of result to sizetype.
13566 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
13568 * flow.c (count_or_remove_death_notes): Equate NULL with the
13571 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
13572 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
13575 * i386.c (pic_label_no): Delete.
13576 (ix86_attr_length_default): Don't use single_set to peek
13579 * recog.c (peephole2_optimize): Allow recog_next_insn to index
13580 the first insn after bb->end.
13581 * i386.md (push mem peeps): Scratch is live after evaluation
13583 (cmp mem peep): Similarly.
13585 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
13587 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
13588 * function.c (pad_to_arg_alignment): Add missing braces.
13590 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13592 * alpha/alpha-protos.h (literal_section): Add prototype.
13593 (alpha_need_linkage, alpha_start_function,alpha_end_function):
13596 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
13598 (alpha_start_function, alpha_end_function, float_strings,
13599 alpha_need_linkage): Constify a char*
13601 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
13603 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
13605 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13607 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
13609 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13611 * flow.c (debug_flow_info): Add prototype.
13613 * gcc.c (main): Likewise.
13615 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
13618 * reload1.c (failed_reload, set_reload_reg): Likewise.
13620 * mips-tfile.c (main): Likewise.
13621 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
13622 with ATTRIBUTE_NORETURN.
13624 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
13626 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
13627 DECL is not a memory ref.
13629 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
13631 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
13632 * config/i386/i386.c (ix86_cpu): Add extern attribute.
13634 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
13636 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
13637 * config/mips/elf64.h: ditto.
13639 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
13641 * expr.c (emit_push_insn): New argument alignment_pad.
13642 Update all callers. Adjust stack pointer based on alignment pad.
13643 * function.c (pad_to_arg_alignment): New argument alignment_pad.
13644 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
13645 (locate_and_pad_parm): New argument alignment_pad. Update all
13647 * expr.h (emit_push_insn): Update prototype.
13648 (locate_and_pad_parm): Update prototype.
13649 * calls.c (arg_data): Add new field alignment_pad.
13650 (initialize_argument_information): Initialize alignment_pad.
13652 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
13654 * except.c (free_eh_nesting_info): Free the info itself.
13655 * function.c (free_after_compilation): Don't free NULL.
13656 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
13657 (pre_edge_insert): Free inserted.
13658 * stmt.c (free_stmt_status): Don't free NULL.
13660 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
13662 * gcov.c (DIR_SEPARATOR): Provide default.
13663 (output_data): Add test for MS-DOS format absolute filename.
13664 (fancy_abort): Correct program name.
13665 (open_files): Open all files in binary mode.
13666 * libgcc2.c (__bb_exit_func): Likewise.
13668 * profile.c (init_branch_prob): Specify binary when opening files.
13670 * flags.h (flag_unwind_tables): New decl.
13671 * toplev.c (flag_unwind_table): New definition.
13672 (f_options): Add -funwind-tables.
13673 (decode_g_option): Clarify warning when unknown -g option is given.
13674 (rest_of_compilation): If inside an inlined external function,
13675 pretend we are just being declared.
13677 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
13678 (dwarf2out_frame_finish): Likewise.
13680 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
13682 * fold-const.c (merge_ranges): If not in0, but in1, handle
13683 upper bounds equal like subset case.
13685 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
13687 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
13688 passed in a register but moved to the stack.
13690 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
13692 * gcc.c (pass_exit_codes, greatest_status): New variables.
13693 (struct option_map): Add entry for "--pass-exit-codes".
13694 (execute): Update greatest_status if error.
13695 (display_help): Add documentation for -pass-exit-codes.
13696 (process_command): Handle -pass-exit-codes.
13697 (main): Look at pass_exit_codes and greatest_status on call to exit.
13699 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13701 * reload.c (find_reloads): Refine test for no input reload
13702 case to not includes reloads emitted after insn.
13704 * function.c (find_temp_slots_from_address): Handle sum involving
13705 a register that points to a temp slot.
13706 (update_temp_slot_address): Make recursive call if both old and
13707 new are PLUS with a common operand.
13708 * calls.c (expand_call): Mark temp slot for result as having
13711 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
13713 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
13714 component as well as "BINUTILS".
13716 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
13717 * integrate.c (copy_rtx_and_substitute): Likewise.
13718 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
13719 All callers changed.
13720 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
13722 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
13723 gdb extensions, write size of type; also be more consistent
13724 in using references when this is a subtype.
13726 * pa.md (extv, extzv, insv): Use define_expand to reject constant
13727 that is out of range.
13729 * loop.c (unknown_constant_address_altered): New variable.
13730 (prescan_loop): Initialize it.
13731 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
13732 (invariant_p, case MEM): Remove handling for volatile and readonly;
13733 check new variable if readonly.
13734 (check_dbra_loop): Chdeck unknown_constant_address_altered.
13736 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
13737 (addr_affects_sp_p): Removed from note_mem_written and only
13738 define #ifdef AUTO_INC_DEC.
13740 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
13742 * regclass.c (record_reg_classes): Properly handle register move
13745 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
13746 Don't think valid if both operands are invalid.
13747 (struct constant_descriptor): New field RTL.
13748 (mark_const_hash_entry): Mark it.
13749 (record_constant{,_rtx}): Initialize it.
13750 (output_constant_def): Allocate RTL in permanent obstack and
13752 ({record,compare}_constant_1): Modes must match for
13753 CONSTRUCTOR of ARRAY_TYPE.
13755 * c-common.h (initializer_constant_valid_p): Delete decl from here.
13756 * output.h (initializer_constant_valid_p): Move decl to here.
13757 * c-common.c (initializer_constant_valid_p): Delete function from here.
13758 * varasm.c (initializer_constant_valid_p): Move function to here.
13760 * tree.h (STRIP_SIGN_NOPS): New macro.
13761 * fold-const.c (optimize_minmax_comparison): New function.
13762 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
13763 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
13764 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
13765 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
13766 widening conversions.
13767 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
13768 to look at size of mode, not precision of type; also add missing cases.
13769 (optimize_bit_field_compare, decode_field_reference): Don't try to
13770 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
13772 * dwarf2out.c (ctype.h): Include.
13773 (dwarf2out_set_demangle_name_func): New function.
13774 (size_of_line_info): Deleted.
13775 (output_line_info): Compute size of line info table from difference
13777 (base_type_die, add_name_attribute): Call demangle function, if any.
13778 (field_byte_offset): Use bits per word for variable length fields.
13779 (gen_array_type_die): Add array name.
13780 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
13781 (dwarf2out_add_library_unit_info): New function.
13783 * explow.c (set_stack_check_libfunc): New function.
13784 (stack_check_libfunc): New static variable.
13785 (probe_stack_range): Allow front-end to set up a libfunc to call.
13787 * combine.c (simplify_comparison): When making comparison in wider
13788 mode, check for having commuted an AND and a SUBREG.
13789 (contains_muldiv): New function.
13790 (try_combine): Call it when dividing a PARALLEL.
13791 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
13792 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
13794 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
13795 use one of the CLOBBERs instead.
13796 (if_then_else_cond): If comparing against zero, just return thing
13799 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
13800 Don't generate shifts and subtract if have conditional arithmetic.
13802 * rtl.h (delete_barrier): New declaration.
13803 * jump.c (jump_optimize): Set up to handle conditional call.
13804 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
13805 (delete_barrier): New function.
13807 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
13809 * recog.c (nonmemory_operand): Accept ADDRESSOF.
13811 * tree.c (build_type_attribute_variant): Push to obstack of
13812 ttype around type_hash_canon call.
13814 * expr.c (placeholder_list): Move decl to file scope.
13815 (expand_expr): Don't force access to volatile just because its
13817 If ignoring reference operations, just expand the operands.
13818 (expand_expr, case COMPONENT_REF): Propagate
13819 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
13820 Refine test for using bitfield operations vs pointer punning.
13821 (expand_expr, case CONVERT_EXPR): If converting to
13822 BLKmode UNION_TYPE from BLKmode, just return inner object.
13823 Use proper mode in store_field call.
13824 Properly set sizes of object to store and total size in store_field
13825 call for convert to union.
13826 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
13827 memory (like for ADDR_EXPR). Also, don't put constant in register if
13828 we'll want it in memory.
13829 (readonly_fields_p): New function.
13830 (expand_expr, case INDIRECT_REF): Call it if LHS.
13831 (expand_assignment): Handle a RESULT_DECL where
13832 DECL_RTL is a PARALLEL.
13833 (do_jump, case WITH_RECORD_EXPR): New case.
13834 (get_inner_reference): Always go inside a CONVERT_EXPR
13835 and NOP_EXPR if both modes are the same.
13836 (store_field): Use bitfield operations if size of bitsize is not same
13837 as size of RHS's type.
13838 Check for bitpos not a multiple of alignment in BLKmode case.
13839 Do block move in largest possible alignment.
13840 (store_constructor): Set BITSIZE to -1 for variable size and properly
13841 in case of array of BLKmode.
13842 (expand_expr_unaligned): New function.
13843 (do_compare_and_jump): Call it.
13845 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
13846 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
13847 does not include 'o'.
13849 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
13850 both SET_DEST and SET_SRC reference a virtual register.
13851 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
13853 * integrate.c (expand_inline_function): Handle case of setting
13854 virtual stack vars register (from built in setjmp); when parameter
13855 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
13856 (subst_constant): Add new parm, MEMONLY.
13857 (expand_inline_function, integrate_parm_decls): Pass new parm.
13858 (integrate_decl_tree): Likewise.
13859 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
13860 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
13861 (copy_rtx_and_substitute, case SET): Add explicit calls to
13862 copy_rtx_and_substitute for both sides.
13864 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
13866 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
13867 within INDEX_TYPE, instead of before.
13868 (fixup_gotos): Use f->target_rtl, not the next insn,
13869 since latter may be from a later fixup.
13870 (expand_value_return): Correctly convert VAL when promoting function
13871 return; support RETURN_REG being a PARALLEL.
13872 (expand_return): When checking for result in regs and having
13873 cleanup, consider PARALLEL in DECL_RTL as being in regs.
13875 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
13877 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
13878 last_nominal_fname): Mark const.
13879 (struct include_hash: name, nshort, control_macro): Mark
13881 (struct macrodef: symnam): Mark const.
13882 (struct if_stack: fname): Mark const.
13883 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
13884 (IStable): New character-syntax array which encompasses all
13885 the old is_foo arrays.
13886 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
13887 is_space): New macros for interrogating IStable.
13888 (check_macro_name): Kill last argument. All callers changed.
13890 * cppinit.c (initialize_char_syntax): Delete.
13891 (is_idchar, is_idstart, is_hor_space, is_space,
13892 trigraph_table): Delete.
13893 (IStable): New. Initialize with clever macros to avoid
13894 information duplication.
13895 (builtin_array): Table of builtins to get rid of explicit list
13896 in initialize_builtins.
13897 (initialize_builtins): Use builtins_array.
13898 (cpp_start_read): Call init_IStable, and set IStable['$'] if
13899 opts->dollars_in_ident.
13901 * cppexp.c: Change all refs to is_xyz[] arrays to use new
13903 (cpp_parse_expr): Avoid 'format string is not constant'
13904 warning. Use ISGRAPH to identify printable chars.
13905 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
13907 (read_and_prescan): Map trigraphs to chars with open-coded
13908 if-else-if-... sequence, not a lookup table.
13909 * cpphash.c: Change all refs to is_xyz[] arrays to use new
13911 * cpplib.c: Change all refs to is_xyz[] arrays to use new
13912 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
13913 (check_macro_name): Remove ability to report an invalid
13914 assertion name, which is never used.
13915 (do_line): Constify a couple of char *'s.
13916 * cppmain.c (main): Call cpp_cleanup before returning.
13918 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
13920 * ggc.h (struct ggc_statistics): New type.
13921 (ggc_get_size): New function.
13922 (ggc_print_statistics): Likewise.
13923 * ggc-common.c (ggc_stats): New variable.
13924 (ggc_mark_rtx_children): Keep statistics.
13925 (ggc_mark_tree_children): Likewise.
13926 (ggc_print_statistics): New function.
13927 * ggc-page.c (struct globals): Add bytes_mapped field.
13928 (alloc_anon): Update it.
13929 (release_pages): Likewise.
13930 (ggc_get_size): New function.
13931 (ggc_page_print_statistics): New function.
13932 * ggc-simple.c (ggc_get_size): New function.
13934 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
13936 * flow.c (propagate_block): When the last reference to a label
13937 before an ADDR_VEC is deleted because the reference is a dead
13938 store, delete the ADDR_VEC.
13940 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
13942 * resource.c (find_free_register): Don't use the frame pointer
13943 if frame_pointer_needed.
13945 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
13947 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
13948 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
13950 * config/i960/i960.c (i960_va_start): New locals base, num.
13951 Use INDIRECT_REF instead of ARRAY_REF on valist.
13952 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
13954 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
13956 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
13958 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
13960 * tree.def (PLACEHOLDER_EXPR): Update comments.
13962 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13964 * c-common.c (check_format_info): Avoid non-literal format string
13965 warnings when `first_arg_num' is zero.
13967 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13969 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
13971 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
13973 * arm.md (casesi_insn): Add a clobber of the condition code
13976 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
13978 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
13979 used by both cc1 and cc1plus.
13981 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
13983 * config/arm/arm.c: Initialise arm_structure_size_boundary to
13984 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
13985 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
13986 to the value 32 if it has not already been defined.
13987 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
13988 Override definition in arm.h with a value of 8.
13990 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
13992 * c-pragma.c (push_alignment): Don't check the return value
13995 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
13997 * sparc.h (ADJUST_COST): Fix thinko.
13999 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
14001 * cccp.c (rescan): Fixed obp pointer handling around call to
14002 check_expand subroutine.
14004 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
14006 * gcse.c (delete_null_pointer_checks): Only record non-null info
14007 for pseudos when examining stores.
14009 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
14010 splitters for these patterns. Use "#" for output templates.
14011 (addsi3_carryin_shift): New pattern.
14013 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
14015 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
14016 of the function return register into a plain REG until
14017 after function inlining is done.
14019 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
14021 * jump.c (jump_optimize_1): If we did cross-jumping, and
14022 the data will matter, rebuild the CFG.
14023 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
14024 not optimizing. Don't run shorten_branches.
14025 * toplev.c (rest_of_compilation): Run shorten_branches after
14028 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
14030 * rtl.h (note_stores): Add additional paramter.
14031 * rtlanal.c (reg_set_p_1): Take additional paramter.
14032 (reg_set_last_1): Likewise.
14033 (reg_set_p): Adjust call to note_stores.
14034 (reg_set_last): Likewise.
14035 (note_stores): Pass data parameter to worker function.
14036 * alias.c (record_set): Take additional parameter.
14037 (init_alias_analysis): Pass it.
14038 * caller-save.c (mark_set_regs): Take additional parameter.
14039 (save_call_clobbered_regs): Pass NULL to note_stores.
14040 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
14042 (record_dead_and_set_regs_1): Likewise.
14043 (reg_dead_at_p_1): Likewise.
14044 (combine_instructions): Adjust calls to note_stores.
14045 (try_combine): Likewise.
14046 (record_dead_insn): Remove.
14047 (record_dead_and_set_regs): Adjust calls to note_stores.
14048 (reg_dead_at_p): Likewise.
14049 * cse.c (invalidate_skipped_set): Take additional parameter.
14050 (cse_check_loop_start): Likewise.
14051 (cse_check_loop_start_value): Remove.
14052 (cse_set_around_loop): Adjust calls to note_stores.
14053 * flow.c (notice_stack_pointer_modification): Take additional
14054 parameter. Remove duplicate declaration.
14055 (record_volatile_insns): Adjust calls to note_stores.
14056 * gcse.c (record_set_info): Take additional parameter.
14057 (record_last_set_info): Likewise.
14058 (invalidate_nonnull_info): Likewise.
14059 (record_set_insn): Remove.
14060 (compute_sets): Adjust calls to note_stores.
14061 (last_set_insn): Remove.
14062 (compute_hash_table): Adjust calls to note_stores.
14063 (insert_insn_end_bb): Likewise.
14064 (delete_null_pointer_checks): Likewise.
14065 * global.c (mark_reg_store): Take additional parameter.
14066 (mark_reg_clobber): Likewise.
14067 (reg_becomes_live): Likewise.
14068 (global_conflicts): Adjust calls to note_stores.
14069 (build_insn_chain): Likewise.
14070 * integrate.c (note_modified_parmregs): Take additional parameter.
14071 (mark_stores): Likewise. Make it static.
14072 (save_for_inline_nocopy): Adjust calls to note_stores.
14073 (try_constants): Likewise.
14074 * integrate.h (mark_stores): Remove declaration.
14075 * jump.c (mark_modified_reg): Take additional parameter.
14076 (thread_jumps): Adjust calls to note_stores.
14077 * local-alloc.c (validate_equiv_mem_from_store): Take additional
14079 (no_equiv): Likewise.
14080 (reg_is_set): Likewise.
14081 (validate_equiv_mem): Adjust calls to note_stores.
14082 (update_equiv_regs): Likewise.
14083 (block_alloc): Likewise.
14084 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
14085 (note_addr_stored): Take additional parameter.
14086 (note_set_pseudo_multiple_uses): Likewise.
14087 (record_initial): Likewise.
14088 (prescan_loop): Adjust calls to note_stores.
14089 (strength_reduce): Likewise.
14090 (check_dbra_loop): Likewise.
14091 * regmove.c (flags_set_1): Take additional paramter.
14092 (mark_flags_life_zones): Adjust calls to note_stores.
14093 * reload1.c (mark_not_eliminable): Take additional parameter.
14094 (forget_old_reloads_1): Likewise.
14095 (reload_cse_invalidate_rtx): Likewise.
14096 (reload_cse_check_clobber): Likewise.
14097 (reload_combine_note_store): Likewise.
14098 (move2add_note_store): Likewise.
14099 (reload): Adjust calls to note_stores.
14100 (reload_as_needed): Likewise.
14101 (emit_reload_insns): Likewise.
14102 (reload_cse_regs_1): Likewise.
14103 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
14104 (reload_combine): Adjust calls to note_stores.
14105 * resource.c (update_live_status): Take additional paramter.
14106 (mark_target_live_regs): Adjust calls to note_stores.
14107 * stupid.c (find_clobbered_regs): Take additional parameter.
14108 (stupid_life_analysis): Adjust calls to note_stores.
14110 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
14112 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
14115 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
14118 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
14119 of the variable arm_structure_size_boundary.
14121 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
14123 * alias.c (init_alias_analysis): Allocate reg_known_value and
14124 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
14126 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
14127 * cse.c (cse_main): Call end_alias_analysis.
14128 * haifa-sched.c (schedule_insns): Likewise.
14129 * local-alloc. (update_equiv_regs): Likewise.
14130 * reload1.c (reload_cse_regs): Likewise.
14132 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14134 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
14135 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
14136 mapping from MASK_FPU.
14138 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
14140 * sparc.md (call): Don't bound structure return size to 0xfff.
14142 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
14144 * resource.c (mark_target_live_regs): Check that the target
14145 insn wasn't created after compute_bb_for_insn.
14147 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
14149 * ggc-page.c (poison_pages): Don't be overzealous.
14151 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
14153 * alias.c: Update comments for ADDRESS.
14154 (nonlocal_reference_p): Look inside the ADDRESS to determine if
14155 it is a local memory reference.
14157 * c-typeck.c (build_function_call): Check that the built-in
14158 function is of class BUILT_IN_NORMAL before trying to recongize
14159 it as BUILT_IN_ABS.
14160 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
14161 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
14163 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
14165 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
14167 (pre_gcse): Likewise.
14168 (hoist_expr_reaches_here_p): Likewise.
14169 (hoist_code): Likewise.
14170 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
14172 (pre_expr_reaches_here_p_work): ... here.
14173 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
14175 (expr_reaches_here_p_work): ... here.
14177 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
14179 * resource.c (find_basic_block): Delete.
14180 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
14181 (init_resource_info): Call compute_bb_for_insn.
14183 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
14185 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
14186 with already adjacent blocks, but no fallthru.
14187 (merge_blocks_move_successor_nojumps): Simplify.
14188 (debug_flow_info): New.
14190 * toplev.c (rest_of_compilation): Open jump1 dump file before
14191 jump and close after, as opposed to just using dump_rtl.
14193 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14195 * reload.h (earlyclobber_operand_p): Declare.
14196 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
14197 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
14198 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
14199 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
14201 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
14202 Richard Henderson <rth@cygnus.com>
14204 * emit-rtl.c (emit_block_insn_before): New.
14205 (emit_block_insn_after): New.
14206 * basic-block.h: Declare them.
14208 * bitmap.h: Protect from multiple inclusion.
14210 * recog.c (scratch_operand): Handle VOIDmode correctly.
14212 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
14214 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
14215 * function.c (assign_parms): Likewise.
14216 * global.c (global_conflicts): Clarify STACK_REGS commentary.
14218 * reg-stack.c (max_uid): Remove.
14219 (blocks, block_begin, block_end, block_drops_in): Remove.
14220 (block_stack_in, block_out_reg_set, block_number): Remove.
14221 (struct block_info_def, BLOCK_INFO): New.
14222 (enum emit_where): New.
14223 (current_block): New.
14224 (BLOCK_NUM): Remove.
14225 (mark_regs_pat, record_label_references): Remove.
14226 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
14228 (goto_block_pat, print_blocks, dump_stack_info): Remove.
14229 (reg_to_stack): Simplified test for existance of fp code. Use
14230 flow.c code. Call shorten_branches after cross-jump opt.
14231 (check_asm_stack_operands): Renamed from record_asm_reg_life.
14232 Return false if the asm doesn't use stack regs. Don't do life
14233 analysis on the asm.
14234 (emit_pop_insn): Replace function pointer arg `when' with
14235 enum `where'. Update all callers.
14236 (change_stack): Likewise. Update basic block end.
14237 (emit_swap_insn): Use current_block->head to limit reverse search
14238 for start of block. Use emit_block_insn_after.
14239 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
14240 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
14241 structure assignment instead of bcopy.
14242 (print_stack): New.
14243 (convert_regs_entry, convert_regs_exit): New.
14244 (convert_regs_1, convert_regs_2): Split out from convert_regs.
14245 Work on basic blocks and the CFG.
14246 (convert_regs): Use them.
14248 * i386.c (output_fix_trunc): Remove code for DImode input operand
14249 not at top-of-stack.
14250 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
14252 (fix_truncdi_1): Allow any mode scratch.
14254 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
14256 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
14257 * linux.h, netbsd.h, vms.h: Not here.
14259 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
14261 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
14262 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
14263 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
14264 CONDITIONAL_REGISTER_USEAGE): Use them.
14265 * config/mips/mips.c (mips_move_1word,mips_move_2words,
14266 gen_conditional_branch,override_options) : Use them.
14267 * config/mips/mips.md : Use them.
14269 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
14271 * i386.md (zero_extendqihi2): Use SImode register name with andl.
14273 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
14275 * integrate.c (function_cannot_inline_p): Don't allow inlining
14278 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14280 * c-parse.in (cast_expr): Constify.
14282 * cccp.c (special_symbol): Likewise.
14284 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
14286 * dwarf2out.c (base_type_die): Likewise.
14288 * global.c (allocno_compare): Likewise.
14290 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
14292 * regclass.c (fix_register): Likewise.
14294 * rtl.h (fix_register): Likewise.
14296 * stupid.c (stupid_reg_compare): Likewise.
14298 * toplev.c (decode_f_option): Likewise.
14300 * tree.c (build_complex_type): Likewise.
14302 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
14304 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
14306 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14308 * reload.c (find_reloads): Compute mode and nregs fields of all
14310 * reload1.c (calculate_needs_all_insns): Simplify a bit.
14311 (calculate_needs): Use precomputed mode/nregs values.
14312 (allocate_reload_reg): Likewise.
14314 (failed_reload, set_reload_reg): ... new functions.
14315 (choose_reload_regs_init): New function, mostly broken out from...
14316 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
14317 Also lose one #if 0 block.
14319 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
14321 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
14324 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
14326 * tree.h (BLOCK_TYPE_TAGS): Remove.
14327 (BLOCK_END_NOTE): Likewise.
14328 (BLOCK_LIVE_RANGE_FLAG): Likewise.
14329 (BLOCK_LIVE_RANGE_START): Likewise.
14330 (BLOCK_LIVE_RANGE_END): Likewise.
14331 (tree_block): Remove live_range_flag, live_range_var_flag, and
14332 type_tags. Remove end_note, live_range_start, and live_range_end.
14333 (remember_end_note): Remove prototype.
14334 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
14335 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
14337 * ggc-common.c (ggc_mark_tree_children): Don't mark
14338 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
14339 * integrate.c (adjust_copied_decl_tree): Remove.
14340 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
14341 * stmt.c (last_block_end_note): Remove.
14342 (init_stmt): Don't add a GC root for it.
14343 (expand_fixup): Don't set it.
14344 (remember_end_note): Remove.
14345 (expand_end_bindings): Don't set last_block_end_note.
14347 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14349 * reload1.c (reload_reg_free_for_value_p): Show
14350 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
14353 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
14355 * expmed.c (extract_bit_field): Allow for the case of non-integer
14356 objects that are smaller than a word (like SFmode on a 64-bit
14359 * loop.c (basic_induction_var): A non-integer variable which is
14360 being set by a paradoxical subreg is probably not a biv.
14362 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14364 * prefix.c (translate_name) Check for empty prefix string.
14366 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
14368 * Makefile.in (CPP_CROSS_NAME): New variable.
14369 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
14371 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
14372 names of the files to be uninstalled.
14374 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
14376 * collect2.c (IS_DIR_SEPARATOR): Define.
14377 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
14379 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
14382 * haifa-sched.c (add_dependence): Update the true dependency
14383 cache the first time we add a true dependence to the LOG_LINKS chain.
14385 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
14387 * fold-const.c (fold): Fix comment.
14389 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14391 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
14392 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
14393 dbxout_start_new_source_file, dbxout_source_file,
14394 dbxout_source_line, dbxout_finish, dbxout_type_fields,
14395 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
14397 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
14398 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
14399 (dbxout_block): Initialize variable `blocknum'.
14401 * dbxout.h (dbxout_init, dbxout_finish,
14402 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
14403 dbxout_args, dbxout_source_line): Constify a char*.
14405 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
14406 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
14407 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
14408 low_pc_attribute, high_pc_attribute, body_begin_attribute,
14409 body_end_attribute, comp_dir_attribute, sf_names_attribute,
14410 src_info_attribute, mac_info_attribute, producer_attribute,
14411 lookup_filename, generate_macinfo_entry, fundamental_type_code,
14412 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
14413 dwarfout_undef): Constify a char*.
14414 (add_incomplete_type, retry_incomplete_types): Add prototypes.
14416 * dwarfout.h (dwarfout_define, dwarfout_undef,
14417 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
14419 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
14421 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
14422 (MULTILIB_ISA_DEFAULT): New.
14423 (MULTILIB_DEFAULTS): Use it.
14424 * config/mips/mips.c (): Remove the now unnecessary definition
14425 of MIPS_ISA_DEFAULT.
14426 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
14427 unnecessary definition.
14429 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
14431 * arm.md (pic_load_addr): Add constraints to operand 1.
14433 1999-10-25 Bruce Korb <autogen@linuxbox.com>
14435 * fixinc/genfixes: Provide a means for specifying -D options to
14438 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
14440 * arm.c (arm_override_options): Correct initialization of
14441 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
14442 arm_is_strong, and arm_is_6_or_7.
14444 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
14445 (note_set_pseudo_multiple_uses): New function.
14446 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
14447 if a pseudo set in the loop exit is used elsewhere.
14449 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
14451 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
14453 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
14455 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
14456 a single load-address pattern.
14458 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
14460 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
14461 depending on whether or not line-number notes are present.
14463 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14465 * cccp.c (progname, file_buf, default_include, include_file,
14466 macrodef, definition, hashval, wchar_type, user_label_prefix,
14467 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
14468 expand_to_temp_buffer, is_system_include, base_name,
14469 absolute_filename, read_name_map, open_include_file,
14470 record_control_macro, check_precompiled, check_preconditions,
14471 pcfinclude, pass_thru_directive, create_definition,
14472 check_macro_name, comp_def_part, collect_expansion,
14473 check_assertion, read_token_list, assertion_install,
14474 assertion_lookup, eval_if_expression, conditional_skip,
14475 validate_else, skip_quoted_string, quote_string, macarg1,
14476 error_from_errno, install, lookup, hashf, dump_defn_1,
14477 perror_with_name, pfatal_with_name, main, trigraph_pcp,
14478 check_white_space, rescan, handle_directive, monthnames,
14479 special_symbol, do_include, remap_include_file, write_output,
14480 arglist, do_assert, do_unassert, do_line, do_error, do_once,
14481 do_ident, do_sccs, do_xifdef, skip_if_group,
14482 output_line_directive, macroexpand, macarg, change_newlines,
14483 initialize_builtins, make_definition): Constify a char*.
14485 * pcp.h (stringdef): Likewise.
14487 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
14489 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
14492 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
14493 Richard Henderson <rth@cygnus.com>
14495 * alias.c: Include ggc.h.
14496 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
14497 (record_set): Verify enough room in reg_base_value.
14498 (init_alias_analysis): Allocate reg_base_value with xcalloc.
14499 Register it as a GC root.
14500 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
14501 * Makefile.in (alias.o): Depend on ggc.h.
14503 * unroll.c (unroll_loop): Verify the insn before a barrier
14504 is a JUMP_INSN before checking JUMP_LABEL.
14506 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14508 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
14509 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
14510 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
14511 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
14512 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
14513 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
14515 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14517 * output.h (ctors_section, dtors_section, bss_section): Prototype.
14519 * alpha/alpha-interix.h (text_section): Delete prototype.
14520 * alpha/elf.h (text_section): Likewise.
14521 * arm/linux-elf.h (text_section): Likewise.
14522 * arm/linux-telf.h (text_section): Likewise.
14523 * c4x/c4x.h (text_section): Likewise.
14524 * dsp16xx/dsp16xx.h (bss_section): Likewise.
14525 * elfos.h (text_section): Likewise.
14526 * i386/aix386ng.h (text_section): Likewise.
14527 * i386/i386-interix.h (text_section): Likewise.
14528 * i386/sco5.h (text_section): Likewise.
14529 * i386/svr3gas.h (text_section): Likewise.
14530 * nextstep.h (text_section): Likewise.
14531 * psos.h (text_section): Likewise.
14532 * ptx4.h (text_section): Likewise.
14533 * svr3.h (text_section): Likewise.
14534 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
14536 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14538 * final.c (peephole): Delete prototype.
14540 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
14541 (pre_insert_copies): Remove unused variable `bb'.
14543 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
14546 * output.h (peephole): Add prototype.
14548 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
14550 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
14553 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
14555 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
14556 for inlined declarations.
14558 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
14560 * arm.c (logical_binary_operator): New fucntion.
14561 * arm.h (logical_binary_operator): Declare it.
14562 (PREDICATE_CODES): Handle logical_binary_operator.
14563 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
14564 output constraints. Add appropriate splitters.
14565 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
14566 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
14567 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
14569 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14571 * genoutput.c (struct operand_data): New elt eliminable.
14572 (output_operand_data): Write it.
14573 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
14574 (compare_operands): Take it into account.
14575 * recog.h (struct insn_operand_data): New elt eliminable.
14576 * reload1.c (check_eliminable_occurrences, elimination_effects): New
14578 (old_asm_operands_vec, new_asm_operands_vec): Delete.
14579 (eliminate_regs): Move code that detects changes to elimination
14580 target regs into new function elimination_effects.
14581 Delete one #if 0 block.
14582 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
14583 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
14584 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
14585 Only call eliminate_regs for real operands of the insn, not for parts
14586 of its structure or parts matched by things like match_operator.
14587 Use elimination_effects and check_eliminable_occurrences. Use
14588 copy_insn to duplicate the pattern when not in the final pass.
14590 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
14592 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
14595 1999-10-22 Bruce Korb <autogen@linuxbox.com>
14597 * fixinc/README: document the "mach" machine matching test
14598 * fixinc/fixfixes.c: Implement the #else/#endif label fix
14599 * fixinc/fixtests.c: Implement the #else/#endif label test
14600 * fixinc/inclhack.def: utilize these tests and fixes
14601 * fixinc/inclhack.sh: regen
14602 * fixinc/fixincl.x: regen
14603 * fixinc/fixincl.sh: regen
14605 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
14607 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
14610 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
14612 * gcc.1: Document exit codes.
14614 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14616 * calls.c: Include tm_p.h later, so everything we need is defined.
14617 * expr.c: Likewise.
14618 * function.c: Likewise.
14620 * except.c: Include tm_p.h.
14622 * sparc.c: Likewise.
14623 (dwarf2out_cfi_label): Don't prototype.
14624 (check_return_regs, epilogue_renumber,
14625 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
14626 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
14627 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
14628 ultra_schedule_insn): Add static prototype.
14629 (data_segment_operand, text_segment_operand): Call itself with the
14630 proper number of arguments.
14631 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
14633 * sparc.h: Move all declarations to sparc-protos.h.
14634 (SELECT_RTX_SECTION): Pass a missing MODE argument to
14637 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
14639 * config/svr4.h (text_section, ctors_section, dtors_section): Add
14641 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
14642 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
14643 ASM_OUTPUT_ASCII): Constify a char*.
14645 * sparc-protos.h: New file for sparc prototypes.
14647 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14649 * function.c (record_insns, contains): Always declare and define.
14650 (record_insns): Mark with ATTRIBUTE_UNUSED.
14652 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
14654 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
14655 to .section when outputting a .bss section to deal with multiple
14656 .bss input sections (as happens with -fdata-sections)
14657 Also output %progbits, not @progbits so the assembler doesn't treat as
14659 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
14661 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
14662 thumb parts even when building with non-thumb CPUs, by forcing
14665 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
14667 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
14668 (movdf_const_intreg_sp64): Similarly.
14670 * local-alloc.c (update_equiv_regs): Check the correct insn
14671 for pre-existing REG_EQUIV notes.
14673 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
14675 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
14676 block reached by a branch if we're not going to actually process
14679 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
14681 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
14682 a local extern function declaration.
14684 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
14686 * i386.c (ix86_expand_prologue): Properly wrap USE around
14687 reg for CALL_INSN_FUNCTION_USAGE.
14689 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
14691 * config/mips/mips.md (movdf_internal1a): Allow floating-point
14692 move between GP_REGs.
14694 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
14696 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
14697 the mode size when finding out if an offset is legal.
14699 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
14701 * basic-block.h (PROP_*): Move constants from ...
14702 * flow.c: ... here.
14703 (compute_bb_for_insn): Free the array before reallocating.
14704 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
14705 (allocate_reg_life_data): Reset all reg variables collected by
14707 (get_block_head_tail): Don't convert from bb to block.
14708 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
14709 (find_insn_reg_weight): Take block not bb.
14710 (schedule_block): Don't set block num for moved insns.
14711 (schedule_region): Don't update_life_info or find_insn_reg_weight.
14712 (schedule_insns): Do it here instead.
14713 * combine.c (combine_instructions): Invoke compute_bb_for_insn
14714 before update_life_info.
14715 * recog.c (split_all_insns, peephole2_optimize): Update for
14716 new arg to update_life_info.
14717 * rtlanal.c (remove_note): Cope with NULL note.
14718 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
14721 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
14723 * jump.c (jump_optimize_1): More accurately detect casesi insns.
14725 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
14726 block records so that merge_blocks_nomove will clean up correctly.
14727 (split_edge): Handle casesi insns.
14729 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
14731 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
14733 * pa.md (call, call_value): Do not emit a blockage after restoring
14736 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
14738 * c-typeck.c (c_expand_asm_operands): Fix typo.
14740 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14742 * arm.c (fpu_rhs_operand): Verify modes.
14743 (fpu_add_operand): Likewise.
14744 (di_operand): Likewise.
14745 (soft_df_operand): Likewise.
14747 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
14749 * arm.c (arm_return_in_memory): APCS rules state that the elements
14750 of a structure returned in a register must be 'integer-like'.
14752 1999-10-19 Bruce Korb <autogen@linuxbox.com>
14754 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
14755 in the source tree when the generated targets are out of date
14756 * fixinc/genfixes: Alter it to run individual fixes for make.
14757 * fixinc/README: rewrite
14758 * fixinc/inclhack.def: moved initial comments to README
14760 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
14762 * toplev.c (main): Do not generate an error message if an
14763 unrecognised command line switch is recognisable by another
14764 language. If extra_warnings are enabled, then generate a
14765 warning message instead.
14767 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
14769 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
14770 (insert_pack_attributes): Delete prototype.
14772 * c-pragma.c (default_alignment): New static variable.
14773 (push_alignment): Initialize to current effective alignment.
14774 (pop_alignment): Use to set new alignment.
14775 (insert_pack_attributes): Delete function.
14776 (handle_pragma_token): Set default_alignment as well each time
14777 a #pragma pack(<n>) is encountered.
14779 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
14781 * reg-stack.c (stack_result): Aggregates are not returned in
14784 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
14786 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
14788 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
14790 * basic-block.h (set_block_num): Declare.
14791 * flow.c (update_life_info): Don't call compute_bb_for_insn
14792 or free_basic_block_vars.
14793 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
14794 (insn_orig_block): Remove.
14795 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
14796 (schedule_block): Keep BLOCK_NUM up-to-date.
14797 (schedule_insns): Use compute_bb_for_insn.
14798 * recog.c (split_all_insns): Likewise.
14799 (peephole2_optimize): Likewise.
14801 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
14803 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
14804 if the pic register is used.
14806 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14808 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
14809 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
14810 if that tests TREE_PERMANENT.
14812 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
14814 * cse.c (invalidate_for_call): Do not remove memory references from
14815 the table here. It's handled elsewhere.
14817 * haifa-sched.c (add_dependence): Protect references to the
14818 true dependency cache with #ifdef INSN_SCHEDULING.
14819 (remove_dependence): Similarly.
14821 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
14822 to the cfg code that this is a return instruction.
14823 * mn10300.md (return_internal): Similarly.
14825 * combine.c (get_last_value): If the last set of a register
14826 is after subst_low_cuid, then we can not use it to determine
14827 the register's last value.
14829 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
14831 * Makefile.in: Back out previous change.
14833 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
14835 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
14837 * haifa-sched.c (add_dependence): Only check/update the cache
14839 (remove_dependence): Likewise.
14840 (schedule_insns): Only create the true_dependency_cache if the
14841 average number of instructions in a basic block is very large.
14843 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
14845 * Makefile.in (ggc-common.o): Depend on genrtl.h.
14846 (ggc-simple.o): Likewise.
14847 (ggc-page.o): Likewise.
14849 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
14851 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
14852 Prototype for exported functions.
14853 (pre_lcm, pre_rev_lcm): Remove prototypes.
14854 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
14855 (compute_available): Move to lcm.c, and change parameter order.
14856 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
14857 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
14858 (gcse_main): No longer call compute_preds_succs. Rebuild the
14859 set table after reach pre pass.
14860 (pre_insert_map, pre_delete_map, edge_list): New.
14861 (alloc_pre_mem): Allocate edge vectors.
14862 (free_pre_mem): Delete edge vectors.
14863 (compute_pre_data): Call new edge based lcm routines.
14864 (process_insert_insn): New function.
14865 (insert_insn_end_bb): Use it.
14866 (pre_edge_insert): New function.
14867 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
14869 (pre_insert_copies): Revamp using new edge based lcm outputs.
14870 (pre_delete): Likewise.
14871 (one_pre_gcse_pass): Insert & remove fake edges to the exit
14873 (compute_code_hoist_vbeinout): New new edge based routines.
14874 * lcm.c: Remove all the old LCM functions. Replace with new ones
14875 that work with the new cfg datastructures and work with edges
14878 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14880 * reload.h (struct reload): Add new fields "mode" and "nregs".
14881 * reload1.c: Change all occurrences of reload_mode and reload_nregs
14882 to reference the "mode" and "nregs" field within struct reload.
14884 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
14886 * haifa-sched.c (true_dependency_cache): New.
14887 (add_dependence): Use the true dependency cache to avoid expensive
14888 walks down the LOG_LINKS dependency list. Add entries to the
14889 cache as necessary.
14890 (remove_dependence): Remove entries from the true dependency cache
14892 (schedule_insns): Allocate and initialize and free the true
14895 * haifa-sched.c (schedule_insns): Do not remove inter-block
14896 dependencies anymore.
14898 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
14900 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
14901 * i386/t-winnt: Likewise.
14903 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
14905 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
14907 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
14909 * Makefile.in (LANGUAGES): Omit "proto".
14910 (clean): Remove stale comment about removing unprotoize.c.
14912 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14914 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
14915 using arithmetic on void pointers.
14917 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
14919 * haifa-sched.c (compute_block_forward_dependencies): Only check
14920 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
14922 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
14924 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
14925 (expr_equiv_p): Reject memories with different alias sets.
14927 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
14929 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
14930 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
14931 (f_options): Add "bounded-pointers" and "bounds-check" entries.
14932 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
14933 (lang_init): Set default for flag_bounds_check if still "unspecified".
14935 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14937 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
14939 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14941 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
14944 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14946 * config/c4x/c4x.md (*db_noclobber,
14947 *decrement_and_branch_until_zero_noclobber): New patterns and
14948 associated splitters.
14950 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14952 * config/c4x/c4x.md (parallel instruction patterns): Rework
14953 constraints to keep reload happy.
14955 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14957 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
14958 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
14959 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
14960 Add new patterns and associated post-reload splitters.
14962 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14964 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
14966 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14968 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
14970 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
14972 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14974 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
14977 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
14979 * pa.c (move_operand): Rely on memory_address_p to determine the
14980 validity of non-indexed memory addresses.
14981 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
14982 operand in DFmode and SFmode when generating PA2.0 code.
14984 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
14986 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
14988 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
14990 * mips.c (function_prologue): Fix argument types.
14991 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
14992 (casesi_internal): Write to the scratch register.
14994 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
14996 * cppexp.c (cpp_parse_escape): Make static. Change second arg
14998 (parse_charconst): Delete unnecessary cast when calling
15000 (cpplib.h): Kill prototype of cpp_parse_escape.
15002 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
15004 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
15005 * unroll.c (unroll_loop): Cast return value of alloca.
15006 * i370/i370.c: Include function.h and toplev.h.
15007 (i370_label_scan): Remove c++ commented abort.
15008 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
15009 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
15010 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
15011 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
15013 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
15015 * config/t-freebsd: Do not override USER_H.
15016 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
15018 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
15019 Mumit Khan <khan@xraylith.wisc.edu>
15021 * c-parse.in (component_decl): Support anonymous struct/union.
15023 * c-parse.y: Regenerate.
15024 * c-parse.c: Likewise.
15025 * objc/objc-parse.y: Likewise.
15026 * objc/objc-parse.c: Likewise.
15027 * c-decl.c (finish_struct): Don't sort the fields.
15028 (field_decl_cmp): Delete unused function.
15030 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
15032 * sparc.md (movsf_const_intreg): Revert last constraint change.
15033 (movdf_const_intreg_sp32): Likewise.
15035 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
15037 * cse.c: Include hashtab.h instead of splay-tree.h
15038 (struct cse_reg_info): No longer use variant union. Add new
15039 field "regno". All references changed to avoid union.
15040 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
15041 (free_cse_reg_info): Remove.
15042 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
15043 (get_cse_reg_info): Revamp to use expandable hash tables instead
15044 of splay trees. Initialize new fields in cse_reg_info structure.
15045 (new_basic_block): Similarly.
15047 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
15049 * genrecog.c (message_with_line): Prototype.
15050 (validate_pattern): Pass along the set for the dest, not a flag.
15051 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
15052 Check for PC/CC0 as sources.
15053 (nodes_identical): Check for children position match before
15054 allowing the combination.
15056 * rtl.c (read_rtx): Track line number across \\\n.
15058 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
15060 * mips.h (SPECIAL_MODE_PREDICATES): New.
15061 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
15062 (movdi+1, movsi+1): Add output reload constraint.
15063 (casesi_internal): Likewise. Fix commentary.
15064 (return_internal): Use pmode_register_operand.
15066 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
15068 * 1750a.md (movstrqi): Add missing output reload constraint.
15069 (call_value): Likewise.
15070 * a29k.md (cpxxx patterns): Add missing match_operator mode.
15071 (jmpfdec): Add missing inout reload constraint.
15072 * elxsi.md (addsi patterns): Add missing output reload constraint.
15073 (move from sp): Use @ alternates.
15074 (call_value): No constraint on output.
15075 * fr30.md (movsi_pop): Add missing output reload constraint.
15076 (movsf_constant_store): Likewise.
15077 (splits): Remove constraints.
15078 (subsi3): Add missing mode.
15079 * i370.md (cmpstrsi+1): Add missing output reload constraint.
15080 (call_value): Likewise.
15081 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
15082 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
15083 * m32r.md (movsicc_internal): Add output reload constraint.
15084 (movstrsi_internal): Add inout reload constraints.
15085 * m88k.h (reg_names): Don't declare.
15086 (SPECIAL_MODE_PREDICATES): New.
15087 * m88k.md (*): Use register_operand not reg_or_0_operand
15089 * mn10200.h (PREDICATE_CODES): New.
15090 * ns32k.md (ffs pattern): Add output reload constraint.
15091 * pdp11.md (sob pattern): Add inout reload constraint.
15092 * sh.md (splits): Remove constraints.
15093 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
15094 * v850.md (pattern_is_ok_for_epilogue): Likewise.
15095 * vax.md (jgequ pattern): Add inout reload constraint.
15097 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
15099 * configure.in (djgpp): Revert previous patch.
15100 * configure: Rebuit.
15101 * config/i386/djgpp.h: Revert previous patch.
15103 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
15105 * fixinc/inclhack.def: Restore patch lost during last merge of
15106 "no_bogosity" branch.
15107 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
15109 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
15111 * fixincludes: Add a HPUX 11 fix for inttypes.h.
15112 * fixinc/inclhack.def: Same.
15113 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
15115 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
15117 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
15118 as the base of a PLUS.
15120 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15122 * config/c4x/c4x.md: Define mode for remaining unspec operators.
15123 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
15125 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
15127 * pa.md (post_stw+1): Use pmode_register_operand.
15128 (dcacheflush, icacheflush): Likewise.
15130 * i386.md (movstricthi_1): Allow r/r.
15132 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
15134 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
15135 to (not (and (arg0) (arg1))). Similary for and.
15137 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
15138 fallthrough to associate code.
15139 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
15142 * combine.c (simplify_logical): Convert XOR to IOR if operands have
15143 no bits in common; remove XOR to ROTATE conversion.
15145 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15147 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
15149 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15151 * config/c4x/c4x.c (dst_operand): New.
15152 (PREDICATE_CODES): Update.
15153 * config/c4x/c4x.h (dst_operand): Declare it.
15154 * config/c4x/c4x.md: Define mode for each unspec usage.
15155 (move patterns): Use dst_operand predicate instead of src_operand.
15156 (movqi_update, movqf_update): Delete.
15158 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
15160 * recog.c (pmode_register_operand): New.
15161 * recog.h: Declare it.
15162 * genrecog.c (pred_codes): Likewise.
15163 (special_mode_pred_table): Likewise.
15164 (validate_pattern): Don't warn no mode for address_operand.
15166 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
15167 if the operand is not insn-like.
15169 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
15170 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
15172 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
15174 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
15176 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
15177 instead of general_operand in a SET_DEST. Use const_double_operand
15178 instead of an explicit test against CONST_DOUBLE.
15179 (movsf_const_lo): Add missing register mode.
15180 (goto_handler_and_restore): Add auxiliary test for Pmode.
15181 (flush): Adjust to use address_operand.
15182 (return_sf_no_fpu): Add missing output constraint.
15184 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
15186 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
15187 for call return value.
15188 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
15190 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
15192 * toplev.c (main): Only warn about options for other languages.
15193 * collect2.c (main): Pass -w to sub-gcc.
15195 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
15197 * flow.c (propagate_block): Add call-clobbered registers to
15200 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
15201 zapping mem_set_list.
15202 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
15203 (mark_set_1, mark_used_regs): Likewise.
15205 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
15207 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
15209 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15211 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
15212 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
15213 options. Also add a new item "C-only Warning Options" to the
15216 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
15218 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
15219 from multiple calls.
15221 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
15223 * i386.md (call value patterns): Move to the end of the file.
15224 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
15226 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
15228 * configure.in (djgpp configuration): Define extra_objects..
15229 * configure: Rebuilt.
15230 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
15231 (DTORS_SECTION_ASM_OP): Define.
15232 (INIT_SECTION_ASM_OP): Define.
15233 (FINI_SECTION_ASM_OP): Define.
15234 (DATA_SECTION_ASM_OP): Define.
15235 (TEXT_SECTION_ASM_OP): Define.
15236 (EH_FRAME_SECTION_ASM_OP): Define.
15237 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
15238 (STARTFILE_SPEC): Add crtbegin.o.
15239 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
15240 to here from LINK_COMMAND_SPEC.
15241 (DO_GLOBAL_CTORS_BODY): Define.
15242 (CRTSTUFF_USE_FINI_SECTION): Define
15243 (HAS_INIT_SECTION): Delete.
15245 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
15247 * Makefile.in (all.cross): Depend on xcpp$(exeext).
15249 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
15251 * pa.h (PREDICATE_CODES): New.
15253 * genrecog.c (validate_pattern): Condense the destination
15254 non-lvalue message.
15256 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
15258 * alpha.md (call-1): Supply missing mode for operator.
15259 (*): Add missing output reload constraints. Remove constraints
15260 from define_splits.
15262 * i386.h (SPECIAL_MODE_PREDICATES): New.
15263 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
15264 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
15265 (addsi_lea_3): Add missing mode for op 3.
15266 (prologue_set_got, prologue_get_pc): Add missing modes.
15267 (*) Add missing output reload constraints.
15269 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
15271 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
15272 check for member bit-size overflow and use var_size if it occurs.
15273 (layout_record): Use bitsize_int() to define the type size in bits.
15274 Likewise for computation and assignment to DECL_FIELD_BITPOS.
15275 (layout_decl): Likewise when assigning to DECL_SIZE.
15277 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
15279 * genrecog.c (validate_pattern): Typo last change. Verify
15280 that output operands have output reloads.
15282 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
15284 * genrecog.c (special_mode_pred_table): New.
15285 (NUM_SPECIAL_MODE_PREDS): New.
15286 (find_operand): New.
15287 (validate_pattern): New argument `insn'. Warn for assignment to
15288 any predicate accepting non-lvalues. Conditionaly warn for
15289 match_operand without a mode. Try much harder to match source
15290 and destination modes on a set.
15291 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
15293 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
15295 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
15297 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
15299 * combine.c (simplify_logical): Recognize xor pattern that encodes
15302 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15304 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
15307 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
15309 * ggc-page.c (MAP_FAILED): Provide default.
15311 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
15313 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
15314 * sparc.h (PREDICATE_CODES): Update.
15316 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
15318 * alpha.c (some_ni_operand): New.
15319 * alpha-protos.h: Declare it.
15320 * alpha.h (PREDICATE_CODES): Update.
15321 * alpha.md (sXaddq reload insns): Use some_ni_operand
15322 for SET_DEST instead of some_operand.
15324 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
15325 Jim Wilson <wilson@cygnus.com>
15327 * genrecog.c (maybe_both_true_2): Don't compare modes of
15329 (process_tree): Elide peephole2_insns. Invoke simplify_tests
15330 after find_afterward.
15331 (debug_decision_1): Dump next and afterward codes.
15333 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
15335 * rtl.c (dump_and_abort): Remove.
15336 (fatal_with_file_and_line): New.
15337 (fatal_expected_char): New.
15338 (read_rtx_lineno, read_rtx_filename): New.
15339 (read_skip_spaces): Track line number.
15340 (read_name): Use fatal_with_file_and_line.
15341 (read_rtx): Use fatal_expected_char. Track line number.
15342 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
15344 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
15345 if it isn't a CODE_LABEL.
15347 * genattr.c (main): Set read_rtx_filename.
15348 * genattrtab.c (main): Likewise.
15349 * gencodes.c (main): Likewise.
15350 * genconfig.c (main): Likewise.
15351 * genemit.c (main): Likewise.
15352 * genextract.c (main): Likewise.
15353 * genflags.c (main): Likewise.
15354 * genopinit.c (main): Likewise.
15355 * genoutput.c (main): Likewise.
15356 * genpeep.c (main): Likewise.
15358 * genrecog.c (decision_test.u.insn): Add `lineno'.
15359 (pattern_lineno, error_count): New variables.
15360 (message_with_line): New.
15361 (add_to_sequence): Break out checking code to ...
15362 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
15363 (merge_insn): Use message_with_line.
15364 (make_insn_sequence): Use validate_pattern. Record insn lineno.
15365 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
15367 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15369 * expr.c (store_constructor): Clear union if constructor is empty.
15371 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
15373 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
15374 Add !endian checks. Change %{...} to %(...).
15376 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
15378 * i386.md (*addsi3_cc): Renamed from addcsi3.
15379 (*addsi3_carry): Renamed from addxsi3.
15380 (*subsi3_cc): Renamed from subcsi3.
15381 (*subsi3_carry): Renamed from subxsi3.
15382 (*xorqi_cc_1): Renamed from xorcqi_1.
15383 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
15384 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
15386 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
15388 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
15389 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
15391 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
15393 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
15394 climb up the chain of insns.
15396 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
15398 * genrecog.c (write_subroutine): Careful for null trees.
15399 (process_tree): Don't elide empty functions.
15401 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
15403 * Makefile.in (genrtl.o): Depend on ggc.h.
15404 * configure.in (valloc): Probe for it.
15405 (with-gc): Use ggc-page if valloc present.
15406 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
15407 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
15408 (ggc_alloc_string): Moved from ggc-page.c.
15409 * ggc-none.c (ggc_alloc_obj): New.
15410 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
15411 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
15412 (struct globals): Likewise for dev_zero_fd.
15413 (init_ggc): Likewise for it's initialization.
15414 (ggc_allocated_p): Move careful dereference from ...
15415 (ggc_lookup_page_table): ... here. Delete.
15416 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
15417 (alloc_anon): Use valloc if no mmap.
15418 (release_pages): Use free if using valloc.
15419 (ggc_alloc_obj): Renamed from alloc_obj.
15420 (ggc_set_mark): Renamed from mark_obj.
15421 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
15422 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
15423 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
15424 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
15425 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
15426 (ggc_collect): Use fp printing instead of our own rounding.
15427 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
15428 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
15429 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
15430 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
15431 (struct ggc_string, struct ggc_any): Delete.
15432 (offsetof): Provide default definition.
15433 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
15435 (struct ggc_mem): New, from corpse of ggc_any.
15436 (struct ggc_status): Delete.
15437 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
15438 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
15439 (n_strings_collected, n_anys_collected): Delete.
15440 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
15441 (ggc_alloc_string, ggc_alloc): Delete.
15442 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
15443 (ggc_free_string, ggc_free_any): Delete.
15444 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
15445 (ggc_compare_addresses, ggc_mark_string): Delete.
15446 (ggc_mark_string_if_gcable, ggc_mark): Delete.
15447 (search_data): Delete.
15448 (struct globals): New.
15449 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
15450 (tree_insert, tree_lookup): New.
15451 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
15452 (clear_marks, sweep_objs): New.
15453 (ggc_collect): Gut. Use clear_marks, sweep_objs.
15454 (init_ggc): Set allocated_last_gc.
15455 (ggc_push_context): Gut. Use G.context.
15456 (ggc_pop_context): Likewise.
15457 (ggc_pop_context_1): New.
15458 (debug_ggc_tree): New.
15459 (debug_ggc_balance, tally_leaves): New.
15460 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
15461 (ggc_mark_string_if_gcable): Remove decl.
15462 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
15463 (ggc_mark_rtvec_children): New.
15464 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
15465 (ggc_mark_if_gcable): New decl.
15466 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
15467 (ggc_alloc_tree, ggc_alloc): Likewise.
15468 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
15469 (ggc_alloc_obj): New decl.
15470 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
15471 (ggc_alloc_tree, ggc_alloc): Likewise.
15472 (ggc_set_mark): New decl.
15473 * rtl.h (struct rtx_def): Remove gc_mark.
15474 (struct rtvec_def): Likewise.
15475 * tree.h (struct tree_common): Likewise.
15477 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
15479 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
15480 float_format and thread_file definitions.
15481 * configure: Rebuilt.
15483 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
15485 * extend.texi (Function Names): Document types of function names.
15487 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15489 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
15490 an earlyclobbered output conflict with RELOAD_INPUT reloads.
15492 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15494 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
15496 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15498 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
15500 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
15502 * collect2.c (main): Do prelimnary link on AIX if rflag.
15504 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
15506 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
15507 __CTOR_LIST__ in opposite order, which is the correct order for sorted
15509 (__do_global_dtors): similarly for __DTOR_LIST__.
15511 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15512 Diego Novillo <dnovillo@cygnus.com>
15514 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
15517 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
15519 * fixincl/*: Merged "no_bogosity" branch
15520 * fixincl/fixlib.h: protect against doubly defining t_bool
15521 * fixincl/server.h: protect against doubly defining t_bool
15523 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
15525 * genoutput.c: Include toplev.h.
15527 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
15529 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
15531 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
15532 * configure: Regenerate.
15534 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
15536 * gcse.c (delete_null_pointer_checks): Returns void.
15538 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15540 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
15541 * emit-rtl.c (copy_insn_1): Likewise.
15543 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
15545 * config/mips/mips.c (mips_build_va_list): Correct
15546 TREE_CHAIN setting when hard-float.
15547 (mips_va_start): Use corrected setting.
15548 (mips_va_arg): Likewise. Also pass a tree to build of
15549 POSTINCREMENT_EXPR rather than a naked 'int'.
15551 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
15553 * ggc.h (ggc_push_context): Fix comment.
15554 (ggc_pop_context): Likewise.
15555 (mark_string_if_gcable): Likewise.
15556 * ggc-common.c (ggc_mark_rtx_children): Use
15557 ggc_mark_string_if_gcable.
15558 * ggc-page.c (ggc_lookup_page_table): New function.
15559 (ggc_allocated_p): Likewise.
15560 (mark_obj): Fix formatting.
15561 (ggc_mark_string_if_gcable): New function.
15562 * ggc-simple.c (ggc_allocated_strings): New variable.
15563 (ggc_strings_used): Likewise.
15564 (ggc_compare_addresses): New function.
15565 (ggc_pop_context): Pop the `any' memory too.
15566 (ggc_mark_string_if_gcable): New function.
15567 (ggc_collect): Initialize and tear down ggc_allocated_strings.
15569 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
15571 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
15572 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
15573 * rs6000.c (expand_block_move): Match movstrsi_?reg register
15576 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
15578 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
15579 (sched_reg_live_length, sched_reg_basic_block): Delete.
15580 (current_block_num, bb_live_regs, old_live_regs): Delete.
15581 (dead_notes, struct sometimes): Delete.
15582 (sched_note_set, birthing_insn_p): Delete.
15583 (adjust_priority): Gut useless reg lifetime code.
15584 (create_reg_dead_note, attach_deaths): Delete.
15585 (attach_deaths_insn, new_sometimes_live): Delete.
15586 (finish_sometimes_live): Delete.
15587 (find_pre_sched_live, find_post_sched_live): Delete.
15588 (update_reg_usage): Delete.
15589 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
15590 (schedule_insns): Delete reg lifetime code.
15591 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
15592 (unlink_other_notes): Adjust REG_NOTE commentary.
15593 (reemit_notes): Use REG_SAVE_NOTE.
15594 (schedule_block): Likewise.
15595 (schedule_region): Allocate bitmap of blocks in region. Use
15596 count_or_remove_death_notes. Use update_life_info.
15598 * rtl.h (REG_SAVE_NOTE): New.
15599 * rtl.c (reg_note_name): Update.
15601 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
15603 * combine.c (refresh_blocks, need_refresh): New.
15604 (combine_instructions): Allocate refresh_blocks. Invoke
15605 update_life_info if needed.
15606 (distribute_notes): Mark refresh_blocks instead of installing
15608 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
15609 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
15611 * Makefile.in (recog.o): Depend on basic-block.h.
15613 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
15615 * genrecog.c (add_to_sequence): Thinko last change: delete
15616 shadowing allow_const_int variable.
15618 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15620 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
15621 __GNUC__ and __GNUC_MINOR__.
15623 * gansidecl.h: Likewise.
15629 * toplev.h: Likewise.
15631 * tree.c: Likewise.
15633 * tree.h: Likewise.
15635 * varray.c: Likewise.
15637 * varray.h: Likewise.
15639 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15641 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
15642 use one before a jump table.
15644 * rtl.def (ADDRESS): Change documentation to match reality.
15645 * md.texi: Don't document it.
15646 * gmicro.md (load address pattern): Use 'p' constraint, delete use
15649 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
15651 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
15653 * genrecog.c (add_to_sequence): Move allow_const_int test outside
15654 known predicate block; default allow_const_int true.
15655 (debug_decision_list): New.
15657 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
15659 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
15661 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
15663 * gcse.c (gcse_main): Avoid global optimizations if we have a
15664 large number of basic blocks and the ratio of edges to blocks
15666 (delete_null_pointer_checks): Likewise.
15668 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
15670 * c-common.c (check_format_info): Warn if format string isn't a
15673 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
15675 * configure.in (arm*-*-*): Don't let autoconf remove brackets
15676 * configure: regenerate
15678 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
15680 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
15681 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
15682 (peepholes): Re-enable.
15684 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
15686 * Makefile.in (flow.o): Depend on TREE_H.
15687 * basic-block.h (REG_SET_EQUAL_P): New.
15688 (XOR_REG_SET): New.
15689 (n_edges): Declare.
15690 (free_regset_vector): Remove declaration.
15691 (flow_delete_insn_chain): Declare.
15692 (enum update_life_extent): New.
15693 (update_life_info, count_or_remove_death_notes): Declare.
15694 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
15695 Verify register live at bb->global_live_at_start before adding USE.
15696 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
15697 (CLEAN_ALLOCA): New.
15699 (PROP_*): New flags.
15700 (find_basic_blocks_1): Use alloc_EXPR_LIST.
15701 (clear_edges): Zero n_edges.
15702 (make_edge): Increment n_edges.
15703 (split_edge): Don't allocate bb->local_set. Increment n_edges.
15704 (flow_delete_insn_chain): Export.
15705 (delete_block): Decrement n_edges.
15706 (merge_blocks_nomove): Likewise.
15707 (life_analysis): Give life_analysis_1 PROP flags.
15708 (verify_wide_reg_1, verify_wide_reg): New.
15709 (verify_local_live_at_start): New.
15710 (update_life_info): Rewrite to call into propogate_block.
15712 (mark_regs_live_at_end): After reload, if epilogue as rtl,
15713 always mark stack pointer. Conditionally mark PIC register.
15714 After reload, mark call-saved registers, return regsiters.
15715 (life_analysis_1): Accept PROP flags not remove_dead_code.
15716 Call mark_regs_live_at_end before zeroing regs_ever_live.
15717 Use calculate_global_regs_live. Copy global_live_at_end before
15718 calling final propagate_block. Zero reg_next_use on exit.
15719 (calculate_global_regs_live): New.
15720 (allocate_bb_life_data): Don't allocate bb->local_set.
15721 (init_regset_vector, free_regset_vector): Remove.
15722 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
15723 Test flags before every operation. Warn if prologue/epilogue insn
15724 would have been deleted.
15725 (mark_set_regs, mark_set_1): Accept and use FLAGS.
15726 Use alloc_EXPR_LIST.
15727 (mark_used_regs): Accept and use FLAGS, not FINAL.
15728 Remove special handling for RETURN.
15729 (try_pre_increment): Use alloc_EXPR_LIST.
15730 (dump_flow_info): Dump n_edges.
15731 (unlink_insn_chain, split_hard_reg_notes): Remove.
15732 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
15733 (find_insn_with_note, new_insn_dead_notes): Remove.
15734 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
15735 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
15736 (replace_insns): Remove.
15737 (count_or_remove_death_notes): New.
15738 (verify_flow_info): Abort on error after all checks.
15739 (remove_edge): Decrement n_edges.
15740 (remove_fake_edges): Tweek format.
15741 * haifa-sched.c (schedule_insns): Use split_all_insns.
15742 * output.h (update_life_info): Remove declaration.
15743 * recog.c (split_all_insns): From the corpse of split_block_insns,
15744 do the whole function block by block. Use update_life_info.
15745 (recog_last_allowed_insn): New.
15746 (recog_next_insn): Mind it.
15747 (peephole2_optimize): Set it. Walk backwards through blocks.
15748 Use update_life_info.
15749 * rtl.h (update_flow_info, replace_insns): Remove declarations.
15750 (split_all_insns): Declare.
15751 * toplev.c (rest_of_compilation): Thread prologue before flow2.
15752 Use split_all_insns.
15754 * i386.md (or -1 peep2s): Disable.
15756 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
15758 * config/mips/mips.md (movstrsi+[123]) : Combine these into
15759 a single pattern. Scrap the 'd' versions as unnecessary.
15761 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
15762 tablejump_mips162,tablejump_internal4): The operands to a
15763 label_ref must be VOIDmode.
15765 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15767 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
15769 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
15771 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
15773 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
15775 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
15776 cache every function if ggc_p.
15778 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15780 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
15781 instead of copy_rtx. Accept sequences that contain asm statements.
15782 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
15783 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
15784 orig_asm_operands_vector, copy_asm_operands_vector,
15785 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
15787 * rtl.h (copy_insn, copy_insn_1): Declare.
15789 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15791 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
15793 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
15794 arguments to `current_file_function_operand'.
15796 * genrecog.c: Include hard-reg-set.h and resource.h in the
15797 generated output file.
15799 * real.c: Include tm_p.h.
15801 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15803 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
15806 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
15808 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
15809 before the fctiwz insn.
15811 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15812 Mark Mitchell <mark@codesourcery.com>
15814 * tree.c (make_lang_type_fn): New funtion pointer.
15815 (make_lang_type): Call it.
15816 * tree.h (make_lang_type): Declare.
15817 (make_lang_type_fn): Likewise.
15818 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
15820 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
15822 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
15823 make sure that HIGH instructions are copied into BASE_REGS.
15825 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
15827 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
15829 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
15831 * c-decl.c (finish_struct): Use simpler method of
15832 removing elements of a singly-linked list.
15834 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
15836 * alpha.md (peephole2's): Comment out peephole2's that generate
15839 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
15841 * genrecog.c (add_to_sequence): Disable mode check for
15844 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15846 * ggc-simple.c (init_ggc): Set empty_string.
15848 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
15850 * configure.in: Detect mmap. Add --with-gc=foo to select
15851 garbage collector; default to page if mmap available.
15852 * Makefile.in (GGC): Substitute.
15854 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
15856 * c-decl.c (ggc_p): Enable.
15858 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15860 * flow.c (verify_flow_info): Make it extern & unconditionally define.
15862 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
15864 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
15865 string for little-endian-data.
15867 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
15869 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
15870 case somebody tries to compile --enable-checking code with gcc
15873 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
15875 * genrecog.c (add_to_sequence): Verify operand to label_ref is
15878 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
15880 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
15881 * jump.c (jump_optimize_1): Document why.
15883 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15885 * collect2.c (scan_prog_file, scan_libraries): Prototype function
15886 pointers and casts for `int_handler' and `quit_handler'.
15888 * flow.c (verify_flow_info, split_hard_reg_notes,
15889 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
15890 remove_edge, remove_fake_successors): Add static prototypes.
15891 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
15892 (mark_set_1): Initialize variable `regno'.
15893 (unlink_insn_chain): Likewise for variable `curr'.
15894 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
15896 * loop.c (strength_reduce): Initialize variable
15897 `unrolled_insn_copies'.
15898 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
15899 prototypes. Change these functions to take const PTR parameters
15900 to avoid prototype conflict when used as the comparson argument
15902 (check_dbra_loop): Initialize variable `comparison_val'.
15904 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
15905 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
15906 (find_valid_class): Initialize variable `best_class'.
15907 (find_reloads): Call memcpy, not bcopy.
15909 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
15910 (hard_reg_use_compare): Don't needlessly cast away const.
15911 (reload_reg_class_lower): Likewise.
15912 (choose_reload_regs): Initialize variable `regno'.
15914 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
15916 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
15918 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
15920 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
15921 ({,d}discard): Add forward declarations. Declare parameter as
15923 (main_without_main): Explicitly declare return type to be int.
15924 (memcpy): Properly declare.
15926 * libgcc2.c (toplevel): If inhibit_libc is defined and not
15927 building the trampoline support, declare malloc, free, and
15929 (__clear_cache): Mark arguments as potentially unused.
15931 * frame.c (toplevel): If inhibit_libc is defined, declare
15934 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
15936 * flow.c (make_edge): Accept an optional 2D bitmap in which
15937 to cache edge existence. Update all callers.
15938 (make_label_edge, make_eh_edge): Pass through the edge cache.
15939 (make_edges): Provide the cache.
15941 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15943 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
15945 (local_mbtowc): Change the type of variable `i' from int to size_t.
15947 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
15948 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
15950 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
15952 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
15953 after other includes that define the appropriate types. Include
15954 tm_p.h for getting user prototypes.
15955 * ggc-callbacks.c (toplevel): Ditto.
15956 * ggc-none.c (toplevel): Ditto.
15957 * gcc-page.c (toplevel): Ditto.
15958 * ggc-simple.c (toplevel): Ditto.
15960 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
15961 Jonathan Larmour <jlarmour@cygnus.co.uk>
15963 * config/mips/mips.c (mips_move_2words): Split doubles if
15964 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
15966 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
15968 * genrecog.c (struct decision_test): New.
15969 (struct decision): Remove test-related members, sort the rest by size.
15970 (IS_SPLIT): Simplify.
15971 (new_decision, new_decision_test): New.
15972 (add_to_sequence): Use them. No special handling for args of
15974 (maybe_both_true): Renamed from not_both_true; return sense changed.
15975 (maybe_both_true_1, maybe_both_true_2): New. Broken out
15976 of maybe_both_true and adjusted for decision_test.
15977 (position_merit): Remove.
15978 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
15979 (merge_accept_insn): New, broken out of merge_trees.
15980 (merge_trees): Use them. No special case for c_test; no node
15981 splitting; use test type instead of position_merit.
15982 (factor_tests): New.
15983 (simplify_tests): New.
15984 (break_out_subroutines): Don't write code now.
15985 (find_afterward): New.
15986 (write_afterward, write_switch, write_cond): New.
15987 (write_action, is_unconditional): New.
15988 (write_node): New. Use them.
15989 (write_tree_1): Rewrite. Use the new functions above.
15990 (write_tree): Remove afterward processing.
15991 (write_subroutine): Simplify function variant emission.
15992 (write_subroutines): New.
15993 (same_codes, clear_codes): Remove.
15994 (same_modes, clear_modes): Remove.
15995 (write_header): New, broken out of main.
15996 (make_insn_sequence): Use new_decision and new_decision_test.
15997 (process_tree): New, broken out of main.
15998 (main): Adjust for merge_trees interface change.
15999 Don't #define operands in the output file.
16000 (record_insn_name): New, broken out of make_insn_sequence.
16001 (debug_decision_2, debug_decision_1, debug_decision_0): New.
16002 (debug_decision): New.
16004 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
16006 * resource.c (find_free_register): Mark class_str argument const.
16007 * resource.h: Update prototype to match.
16009 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
16010 * i386.md: Give all anonymous insns names.
16012 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
16014 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
16017 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
16019 * toplev.c (dbr_sched_time): Unconditional.
16020 (peephole2_time): New.
16021 (compile_file): Add pass numbers to all of the dump file suffixes.
16022 Dump peephole2_time. Don't dump times for non-applicable passes.
16023 (rest_of_compilation): Add pass numbers to dump file suffixes.
16024 Conditionalize calls to the scheduler.
16025 * invoke.texi: Update.
16027 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
16029 * flow.c (make_edges): Fix insn iteration.
16030 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
16031 (find_basic_blocks_1): Fix spelling mistake.
16033 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
16035 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
16036 always have side-effects. Use memset not bzero.
16037 (make_node): Likewise.
16039 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
16041 * stmt.c (expand_anon_union_decl): When any of the elements of the
16042 union is addressable, so is the entire union.
16044 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
16046 * sbitmap.c (sbitmap_ones): Don't set too many bits.
16048 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
16049 * bitmap.c (bitmap_operation): Return true iff TO changed.
16050 (bitmap_equal_p): New.
16051 (bitmap_bit_p): Tidy arithmetic.
16052 (debug_bitmap_file): Likewise.
16054 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
16056 * toplev.c (rest_of_compilation): Turn on cse_not_expected
16057 before cse2 instead of after.
16059 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
16061 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
16064 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16066 * cppinit.c (is_idchar initializer): Loosen tests to accept
16069 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
16071 * mips.md: Define conditional move patterns for floating point
16072 operands and DI mode conditions.
16074 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
16076 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
16077 always have side-effects.
16079 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
16081 * mn10200.c (asm_file_start): Fix typo.
16083 * cppinit.c (is_idchar initializer): Tighten tests for when
16084 to put the table into initialized memory.
16086 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
16087 not an array of rtunion.
16088 * gcc-page.c (ggc_alloc_rtvec): Similarly.
16089 * gcc-simple (ggc_free_rtvec): Similarly.
16091 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
16094 * mbchar.h: Add missing #endif.
16096 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
16097 (FPBIT, DPBIT): Define.
16099 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16101 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
16103 * profile.c (instrument_arcs, output_gcov_string,
16104 tablejump_entry_p): Add static prototypes.
16105 (output_gcov_string): Constify a char*.
16107 * regmove.c (replacement_quality, fixup_match_2): Add static
16110 * resource.h (reg_dead_p): Add extern prototype.
16112 * rtl.c (trim_filename): Add static prototype.
16114 * scan-decls.c (skip_to_closing_brace): Likewise.
16116 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
16117 (expand_end_case): Initialize variable `range'.
16118 (emit_case_nodes): Remove unused prototype `rtx_fn'.
16120 * varasm.c (asm_emit_uninitialised): Add static prototype.
16121 (asm_emit_uninitialised, assemble_variable): Mark parameter with
16124 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16126 * cpplib.c (if_directive_nameo): Add static prototype.
16128 * cse.c (cse_insn): Remove unused variable `p'.
16130 * except.c (create_rethrow_ref, push_entry,
16131 receive_exception_label, new_eh_region_entry, find_func_region,
16132 clear_function_eh_region, process_nestinfo): Add static prototypes.
16133 (get_reg_for_handler): Hide definition.
16134 (process_nestinfo): Initialize variable `extra_handlers'.
16136 * expr.h (expand_builtin_longjmp): Add extern prototype.
16138 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
16140 * function.c (prepare_function_start): Likewise.
16141 (pop_function_context_from): Mark parameter `context' with
16143 (push_temp_slots_for_block, flush_addressof): Hide definition.
16145 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
16146 solve_program_flow_graph, calculate_branch_probs,
16147 function_summary, main, fancy_abort): Add prototypes.
16149 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
16150 (add_hash): Constify a char*.
16152 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
16153 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
16154 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
16156 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
16158 * lists.c (free_list, zap_lists): Likewise.
16160 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16162 * alias.c (nonlocal_reference_p): Add static prototype.
16164 * bitmap.c (bitmap_element_allocate): Prototype args in function
16167 * builtins.c (stabilize_va_list): Add static prototype.
16168 (expand_builtin_va_arg): Constify a char*.
16170 * c-lex.c (getch, put_back, extend_token_buffer_to,
16171 read_line_number, token_getch, token_put_back): Add static
16174 * c-parse.gperf (hash, is_reserved_word): Likewise.
16176 * cccp.c (is_dir_separator): Likewise.
16178 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16180 * graph.h: New file to prototype functions exported by graph.c.
16182 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
16184 * graph.c: Include graph.h.
16186 * toplev.c: Likewise. Remove redundant prototypes.
16188 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
16190 * invoke.texi: Removed duplicated description for -Q.
16192 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
16194 * extend.texi: Grammar fix in __extension__ text.
16196 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
16198 * md.texi (define_peephole2): New section.
16200 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
16202 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
16203 (mov $-1 to or peepholer): Enable for pentium when optimizing for
16206 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
16208 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
16210 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
16212 * i386.md (ffs expander): Emit Pentium friendly code for
16215 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
16217 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
16219 (build1): Likewise.
16221 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16223 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
16225 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
16227 * config/m68k/m68k.c (use_return_insn): Return false if the pic
16228 register is in use.
16230 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16232 * md.texi (No Constraints): Delete section.
16233 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
16234 * final.c (final_scan_insn): We always have register constraints.
16235 * genattrtab.c: Don't include "insn-config.h".
16236 (write_attr_case): We always have register constraints.
16237 * genconfig.c (register_constraint_flag): Delete.
16238 (walk_insn_part): Don't check whether we have register constraints.
16239 (main): Don't write out "#define REGISTER_CONSTRAINTS".
16240 * genoutput.c (have_constraints): Delete.
16241 (main): Don't set it.
16242 (output_operand_data): We always have constraints.
16243 (scan_operands): Likewise.
16244 (compare_operands): Likewise.
16245 * local-alloc.c (block_alloc): We always have constraints.
16246 (requires_inout): Always compile this function.
16247 * recog.c (extract_insn): We always have constraints.
16248 (constrain_operands, reg_fits_class_p): Always compile these
16250 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
16252 (struct insn_operand_data): Likewise.
16253 * regclass.c (regclass): We always have constraints.
16254 (record_reg_classes, copy_cost, record_address_regs,
16255 auto_inc_dec_reg_p): Always compile these functions.
16256 * regmove.c (regmove_optimize): We always have constraints.
16257 * reload.c (find_reloads): Likewise.
16258 * reload1.c (reload): Likewise.
16259 (reload_cse_simplify_operands): Likewise.
16260 * i860.c (output_delay_insn): Likewise.
16262 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
16264 * iris6.h (BUILD_VA_LIST_TYPE): Define.
16266 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16268 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
16269 for the va_list record.
16271 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
16273 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
16276 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
16278 * alias.c: Include insn-flags.h.
16279 * Makefile.in (alias.o): Update.
16281 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
16283 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
16284 to LTU and GEU. Handle more cases using sbb.
16286 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
16288 * i386.md (truncatexfdf splitters): Do not use subreg.
16289 (fop XFmode patterns): Fix mode in operand testing.
16291 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
16293 * jump.c (jump_optimize_1): Amend last change to test only the
16294 form of the operand, not the insn.
16296 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
16297 not register_operand to determine when B may need preloading.
16299 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
16301 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
16302 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
16303 (call-value patterns): Move to end of file.
16304 (*): Remove mode from label_ref in (pc) context.
16305 (movstrqi): Use memory not general_operand for BLKmode operands.
16306 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
16307 to register_operand operands.
16308 (peep2 patterns): Convert from commented-out peephole patterns.
16310 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16312 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
16313 to BUILT_IN_INIT_DWARF_REG_SIZES.
16314 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
16315 Renamed from BUILT_IN_DWARF_REG_SIZE; call
16316 expand_builtin_init_dwarf_reg_sizes.
16317 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
16318 with __builtin_init_dwarf_reg_size_table.
16319 * dwarf2out.c (struct reg_size_range): Delete.
16320 (expand_builtin_init_dwarf_reg_sizes): New function.
16321 (expand_builtin_dwarf_reg_size): Delete.
16322 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
16323 (expand_builtin_dwarf_reg_size): Don't declare.
16324 * libgcc2.c (dwarf_reg_size_table_initialized): New.
16325 (dwarf_reg_size_table): New.
16326 (init_reg_size_table): New function.
16327 (copy_reg): Use dwarf_reg_size_table.
16328 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
16331 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
16333 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
16334 Correctly build argument list to constructor and destructor functions.
16336 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
16338 * c-tree.h (warn_float_equal): Declare.
16339 * c-decl.c (warn_float_equal): Define.
16340 (c_decode_option): Recognize -W[no-]float-equal.
16341 * c-typeck.c (build_binary_op): Conditionally warn
16342 about equality tests of floating point types.
16343 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
16344 * invoke.texi: Add docs for -Wfloat-equal warning.
16346 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
16348 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
16349 generating RTL directly.
16350 * mips.h (INIT_TARGET_OPTABS): Likewise.
16351 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
16353 * expr.h (init_mov_optab): Delete declaration
16355 * h8300.c (WORD_REG_USED): Update to avoid useless register
16356 saves in interrupt functions and functions which never return.
16358 * cse.c (struct set): Delete inner_dest_loc field.
16359 (cse_insn): Remove assignments to inner_dest_loc field.
16361 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
16363 * ggc-page.c: Don't include <unistd.h> etc taken care of
16364 by "system.h". Include <sys/mman.h> afterward.
16366 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
16368 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
16371 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
16373 * xcoffout.c (xcoffout_declare_function): Add documentation.
16374 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
16375 TARGET_64BIT. Compare constant to -1, not bit pattern.
16376 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
16377 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
16380 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
16382 * dwarf2out.c (add_abstract_origin_attribute): Abort if
16383 origin_die is NULL.
16384 (gen_inlined_enumeration_type_die): Do not abort if the type has
16385 not been writeen out.
16386 (gen_inlined_structure_type_die): Do not abort if the type has
16387 not been writeen out.
16388 (gen_inlined_union_type_die): Do not abort if the type has
16389 not been writeen out.
16390 (gen_tagged_type_instantiation_die): Do not abort if the type
16391 has not been written out.
16393 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16395 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
16397 * reg-stack.c (straighten_stack): Copy hard reg set with
16400 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
16402 * builtins.c (stabilize_va_list): Stabilize array type va_list
16403 to a pointer type, not the base record type.
16404 (expand_builtin_va_copy): Dereference the pointers explicitly;
16405 use the correct size for the copy.
16407 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
16408 (rs6000_va_arg): Likewise.
16410 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
16412 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
16414 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
16416 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
16418 (DECL_BUILT_IN_CLASS): Adjust accordingly.
16420 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
16422 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
16423 (init_ggc): Use it instead of a constant.
16424 (ggc_collect): Bound allocated_last_gc by it.
16426 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
16428 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
16431 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
16433 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
16434 (mips*-*-openbsd*): Let big endian configuration be a fragment.
16435 * configure: Regen.
16436 * config/mips/openbsd.h: New, OpenBSD little endian target.
16437 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
16438 * config/mips/xm-openbsd.h: New, OpenBSD host.
16440 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
16442 * config/m68k/m68k.c (output_function_prologue,
16443 output_function_epilogue): Use
16444 current_function_uses_pic_offset_table instead of regs_ever_live
16445 to decide whether to save/restore pic register.
16446 (legitimize_pic_address): Don't modify regs_ever_live any more.
16448 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
16450 * function.h (struct function): Add x_dont_save_pending_sizes_p.
16451 * stor-layout.c (variable_size): Don't add sizes to the pending
16452 sizes list if x_dont_save_pending_sizes_p is set.
16454 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
16456 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
16457 for symbolic_operand().
16458 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
16460 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16462 * combine.c (gen_rtx_combine): Add missing call to va_end().
16464 * final.c (asm_fprintf): Likewise.
16466 * genattrtab.c (attr_rtx): Likewise.
16468 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
16470 * cse.c: Update comments.
16471 (cse_insn): When converting a conditional/computed jump into
16472 an unconditional jump, always make sure a BARRIER immediately
16473 follows the converted jump. Do not delete unreachable code.
16474 (cse_basic_block): Do not delete unreachable code.
16475 * toplev.c (rest_of_compilation): Move call to
16476 delete_trivially_dead_insns after the conditional call to
16479 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16481 * collect2.c (make_temp_file): Don't prototype.
16483 * gcc.c (make_temp_file): Likewise.
16485 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
16487 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
16489 * varasm.c (asm_emit_uninitialised): New function: Generate
16490 the assembler statements necessary to declare an uninitialised
16492 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
16494 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
16495 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
16497 (assemble_variable): Use asm_emit_uninitialised to emit an
16498 uninitialised variable.
16500 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
16502 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
16503 constant on a 64 bit host. Patch supplied by Geoffrey Keating
16504 <geoffk@cygnus.com>.
16506 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16508 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
16509 * c-common.h (builtin_function): Don't declare.
16511 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
16513 (pushdecl): Likewise.
16514 (finish_decl): Likewise.
16515 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
16516 int. All callers changed.
16517 Set the builtin's DECL_BUILT_IN_CLASS.
16518 * tree.h (enum built_in_class): New.
16519 (enum built_in_function): Delete NOT_BUILT_IN.
16520 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
16522 (DECL_SET_FUNCTION_CODE): Likewise.
16523 (DECL_BUILT_IN_CLASS): New macro.
16524 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
16525 (struct tree_decl): Split builtin function code field into a
16527 (builtin_function): Declare.
16529 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
16531 * optabs.c (init_traps): Fix typo in last change.
16533 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
16535 * toplev.c (rest_of_decl_compilation): Update comment.
16537 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
16539 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
16540 in .sbss if appropriate.
16541 (EXTRA_SECTION_FUNCTIONS): Add sbss.
16542 (SBSS_SECTION_ASM_OP): New macro.
16543 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
16544 (EXTRA_SECTIONS): Add in_sbss.
16545 * config/mips/mips.h: Prototype sbss_section.
16547 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
16549 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
16552 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
16554 * optabs.c (init_traps): Register trap_rtx as a GC root.
16556 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16558 * config/mips/mips.c (function_arg_pass_by_reference): Define
16559 unconditionally, since it's called unconditionally.
16561 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
16563 * toplev.c (documented_lang_options): Add -fshort-wchar.
16564 * c-decl.c (c_decode_option): Likewise.
16565 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
16567 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
16568 * gcc.c (default_compilers): If -fshort-wchar,
16569 override __WCHAR_TYPE__.
16570 * tm.texi (C Dialect Options): Add -fshort-wchar.
16572 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
16573 symbol for a variable.
16575 * cpplib.h (CPP_PREPROCESSED): New macro.
16576 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
16577 we're seeing this input for a second time.
16579 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
16581 * emit-rtl.c (init_emit_once): Initialize modes first.
16583 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
16585 * config/i386/i386.c (pic_label_name): Change to char pointer.
16586 (global_offset_table): New variable.
16587 (load_pic_register): Fill global_offset_table if it hasn't
16588 already been done. Allocate pic_label_name dynamically.
16589 * ggc.h (empty_string): New variable.
16590 * ggc-simple.c (empty_string): Likewise.
16591 (init_ggc): Allocate empty_string and add as root.
16592 * stmt.c (digit_strings): New variable.
16593 (init_stmt): Add last_block_end_note as root. Allocate and
16594 initialize digit_strings.
16595 (expand_asm_operands): Use empty_string instead of string
16596 constant. Use digit_strings instead of string constants.
16597 * profile.c (init_arc_profiler): Allocate string with
16598 ggc_alloc_string instead of xmalloc.
16599 (output_func_start_profiler): Likewise.
16600 * c-typeck.c (digest_init): Check if init is error_mark_node.
16602 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
16603 Richard Henderson <rth@cygnus.com>
16605 * ggc-page.c: New file.
16606 * Makefile.in (ggc-page.o): New.
16608 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
16610 * invoke.texi: Document -fdelete-null-pointer-checks
16611 * toplev.c (flag_delete_null_pointer_checks): New.
16612 (f_options): Add entry for -fdelete-null-pointer-checks.
16613 (rest_of_compilation): Conditionalize null pointer check
16614 elimination on flag_delete_null_pointer_checks.
16615 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
16617 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
16619 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
16620 copyright notice and special exception to GPL.
16622 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16624 * abi64.h (mips_function_value): Add prototype arguments.
16626 * mips-protos.h: New file with mips prototypes.
16628 * mips.c: Include "tm_p.h".
16629 (mktemp, lookup_name): Add prototype arguments.
16630 (extern_list, string_constant, mips_fill_delay_slot,
16631 mips_output_external, mips_output_external_libcall,
16632 mips_output_filename, mips_declare_object, function_prologue,
16633 mips_expand_prologue, function_epilogue, mips16_constant,
16634 build_mips16_function_stub, mips_output_conditional_branch):
16636 (mips_va_start): Remove unused variable `u'.
16637 (mips_va_arg): Cast value to unsigned when comparing against one.
16639 (save_restore_insns, mips_expand_prologue): Add missing arg in
16640 call to `large_int'.
16642 * mips.h: Move prototypes to mips-protos.h.
16643 (data_section, memory_address_p, rdata_section,
16644 readonly_data_section, simple_epilogue_p, text_section): Delete
16645 prototypes delcared elsewhere.
16646 (mips_epilogue_delay_slots, print_options): Delete unused decls.
16648 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
16650 * mips.md: Delete extra args in call to `mips_move_2words'.
16652 * xm-iris6.h (alloca): Add prototype argument.
16654 * genpeep.c: Include "tm_p.h" in generated output file.
16656 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16658 * basic-block.h (find_edge_index): Change parameters.
16659 * flow.c (verify_edge_list): Pass basic_block parameters to
16660 find_edge_index instead of integers.
16662 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
16664 * combine.c (simplify_comparison): Use an unsigned shift to adjust
16667 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
16669 * gcc.1: Fix a formatting error.
16671 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16673 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
16674 i786, mn10200, mn10300, pdp11, v850.
16676 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
16678 * libgcc2.c (num_digits): Add prototype with
16679 __attribute__((const)).
16680 (__terminate): Add prototype.
16682 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
16684 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
16686 * alpha/alpha.c (print_operand): Fix type of `code'.
16687 (alpha_output_filename): Constify.
16688 * alpha/alpha.h: Move all function declarations ...
16689 * alpha/alpha-protos.h: ... here. New file.
16690 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
16691 (SECTION_FUNCTION_TEMPLATE): Likewise.
16693 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16695 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
16696 * expr.c (expand_expr): Likewise.
16697 (do_jump): Likewise.
16698 (do_store_flag): Pass ccp_store_flag to can_compare_p.
16699 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
16701 (enum can_compare_purpose): New.
16702 (can_compare_p): Adjust prototype.
16703 (prepare_cmp_insn, prepare_operand): Declare.
16704 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
16705 * optabs.c (cmp_available_p): Deleted.
16706 (expand_abs): Pass ccp_jump to can_compare_p.
16707 (can_compare_p): New arg PURPOSE. Check for combined optabs.
16708 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
16709 Call can_compare_p rather than cmp_available_p.
16710 (prepare_operand): No longer static.
16711 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
16712 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
16713 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
16714 sequence to use emit_cmp_and_jump_insns.
16715 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
16717 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
16719 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
16720 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
16721 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
16722 (plus (reg) (const_int 0))
16723 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
16725 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
16727 * rs6000.c (expand_block_move): DImode loads and stores require
16728 word-aligned displacements. Increment address registers with
16729 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
16731 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
16733 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
16734 is no name for the base type, rather than segfault. If we are
16735 writing out a complex integer type, use DW_ATE_lo_user.
16737 * expr.c (emit_move_insn_1): If we are copying a complex that fits
16738 in one word or less (complex char, complex short, or on 64 bit
16739 systems complex float) to/from a hard register, copy it through
16740 memory instead of dying in gen_{real,imag}part. If we have a
16741 short complex type, prevent inlining since it allocates stack
16744 * tree.c (build_complex_type): If we are writing dwarf2 output,
16745 generate a name for complex integer types.
16747 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16749 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
16750 * flow.c (remove_edge): Remove extra whitespace.
16751 (remove_fake_edges): Fix comment.
16752 (add_noreturn_fake_exit_edges): Use the correct name.
16754 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
16756 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
16757 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
16758 (clean): Depend on INTL_CLEAN.
16759 (maintainer-clean): Adjust.
16761 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16763 * configure.in (AC_PREREQ): Bump to 2.13.
16764 (AC_C_STRINGIZE): Call this instead of using a custom macro.
16766 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
16768 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
16770 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
16772 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
16773 (HAVE_STRINGIZE): Define.
16775 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
16777 * c-parse.in: save and restore warn_pointer_arith on __extension__
16778 along with pedantic.
16779 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
16780 Set the type of extension to itype rather than $<itype>1 kludge.
16781 * extend.texi (Alternate Keywords): Adjust documentation.
16782 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
16784 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
16786 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
16787 most assembler templates.
16789 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
16790 FP loads and stores.
16791 (following_call): Always return zero for the PA8000.
16792 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
16793 FP loads and stores.
16794 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
16796 * pa.h (BRANCH_COST): Define.
16798 * pa.md (return, return_internal): Use bve for PA2.0.
16800 * pa.md (fused multiply): Add variants which reduce height for the
16801 fused multiply, but which still generate 2 insns.
16802 (fnegabs): Similarly.
16804 * pa.md (subsi3): Turn into an expander. Create two anonymous
16805 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
16806 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
16808 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
16810 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
16812 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
16813 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
16815 * regclass.c (init_regs): Add "top_of_stack" as a garbage
16818 * flow.c (record_active_eh_regions): Terminate loop after finding
16819 the last insn in the last basic block.
16821 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16823 * config/c4x/c4x.md: Delete parallel instruction peepholes.
16825 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16827 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
16829 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16831 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
16832 splitting to not use output template.
16834 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16836 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
16837 * config/c4x/c4x.c (c4x_va_start): New function.
16839 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
16841 * genrecog.c (not_both_true): Handle correctly cases when called for
16842 tests with different positions in the insn.
16844 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16846 * machmode.h (HOST_PTR_PRINTF): Move from here ...
16848 * system.h (HOST_PTR_PRINTF): ... to here.
16850 * mips-tfile.c: Don't include machmode.h.
16852 * Makefile.in (MACHMODE_H): New variable. Update to use it.
16853 (mips-tfile.o): Don't depend on machmode.h.
16855 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16857 * haifa-sched.c (sched_analyze): Rename local variable `region' to
16858 avoid conflicts with typedef struct `region' at the top level scope.
16860 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
16862 * basic-block.h (basic_block): Add eh_beg, eh_end.
16863 * flow.c (entry_exit_blocks): Update.
16864 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
16865 Call new functions.
16866 (find_basic_blocks_1): Don't record eh_list at each bb. Use
16867 lists.c functions to allocate insn lists.
16868 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
16870 (make_eh_edge): ... here. New.
16871 (move_stray_eh_region_notes): New.
16872 (record_active_eh_regions): New.
16873 (delete_unreachable_blocks): Split out block merging ...
16874 (try_merge_blocks): ... here. New.
16875 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
16876 Dump debugging data.
16877 (merge_blocks_move_successor_nojumps): Likewise.
16878 (merge_blocks): Use eh_beg+eh_end to validate block movement.
16880 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16882 * extend.texi (Bound member functions): Document unbound pmf
16885 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16887 * flow.c (split_edge): Handle insertion on a fallthrough edge which
16888 has the EXIT_BLOCK as a dest.
16890 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16892 * flow.c (remove_edge): New function to remove an edge from the
16894 (remove_fake_successors): New function to remove fake successor edges.
16895 (remove_fake_edges): New function to remove all fake edges from the
16897 (add_fake_exit_edges): New function to add fake edges from all blocks
16898 with no successors to the exit block.
16899 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
16900 prototypes for new functions.
16902 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16904 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
16905 Use Pmode to determine whether to output .dword or .word.
16907 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
16909 * tree.c (built_in_filename): New variable.
16910 (BUILT_IN_FILENAME): New macro.
16911 (init_tree_codes): Allocate built_in_filename.
16912 (make_node): Use built_in_filename instead of string constant.
16914 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
16916 * configure.in: Add fr30 target.
16917 * configure: Regenerate.
16918 * config/fr30: New directory.
16919 * config/fr30/crti.asm: New file.
16920 * config/fr30/fr30.c: New file.
16921 * config/fr30/crtn.asm: New file.
16922 * config/fr30/fr30.h: New file.
16923 * config/fr30/fr30.md: New file.
16924 * config/fr30/lib1funcs.asm: New file.
16925 * config/fr30/t-fr30: New file.
16926 * config/fr30/xm-fr30.h: New file.
16928 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
16930 * flow.c (merge_blocks_move_successor_nojumps): Delete the
16931 BARRIER at the end of the successor, not the BARRIER before
16934 * pa.c (pa_add_gc_roots): Fix thinko in last change.
16936 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
16938 * stmt.c (any_pending_cleanups): Don't crash when
16939 current_function->stmt is unset.
16941 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16943 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
16944 other initializations that may use it for relative offsets.
16946 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16948 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
16949 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
16950 * config/i386/sol2dbg.h: Removed.
16951 * config/i386/sol2gas.h: New file, to enable gas work-around.
16952 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
16953 Don't use sol2dbg.h.
16954 * configure: Rebuilt.
16956 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
16958 * invoke.texi (-fthis-is-variable): Remove documentation.
16960 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
16962 * basic-block.h (compute_bb_for_insn): Declare.
16963 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
16964 to use; set size of basic_block_for_insn directly.
16965 (find_basic_blocks): Update.
16967 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16969 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
16971 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16973 * crtstuff.c (ON_EXIT): Delete empty macro definition.
16974 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
16976 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
16978 * c-decl.c (c_decode_option): Extend comment.
16980 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
16982 * toplev.c (progname): Make 'const char *'
16983 (flag_print_mem): Move out of main.
16984 (version_flag): Move out of main.
16985 (filename): Move out of main.
16986 (debug_args): Remove g prefix from options.
16987 (documented_lang_options): Remove cpplib specific options.
16988 (display_help): Add g prefix to debug options.
16989 (check_lang_option): Delete this function.
16990 (decode_d_option): New function: Decode -d... option.
16991 (decode_f_option): New function: Decode -f... option.
16992 (decode_W_option): New function: Decode -W... option.
16993 (decode_g_option): New function: Decode -g... option.
16994 (independent_decode_option): New function: Decode a language
16995 independent command line option.
16996 (main): Invoke lang_decode_option and then
16997 independent_decode_option on each command line option in
17000 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
17002 Revert this change. Gavin's patch to operand_equal_p is a better fix.
17003 * fold-const.c (fold_range_test): Do not try to fold the range
17004 test if the rhs or lhs has side effects.
17006 * basic-block.h (compute_flow_dominators): Declare.
17008 * gcse.c (alloc_code_hoist_mem): New function.
17009 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
17010 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
17011 (hoist_code, one_code_hoisting_pass): Likewise.
17012 (gcse_main): If optimizing for size, then hoist expressions
17013 computed in multiple dominated basic blocks.
17015 * gcse.c (invalid_nonnull_info): New function.
17016 (delete_null_pointer_checks): Likewise.
17017 * rtl.h (delete_null_pointer_checks): Declare.
17018 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
17020 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
17021 (merge-blocks_move_successor_nojumps): Likewise.
17022 (merge_blocks): Allow merging of some blocks, even if it requires
17023 physical movement of the blocks, but not if it requires new jumps.
17025 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
17026 Callers and prototype changed.
17027 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
17029 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17031 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
17032 -YP when both -p and -pg are present. From i386/sol2.h.
17034 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17036 * Makefile.in (distclean): Delete tm_p.h.
17037 * configure.in: Create a new file, "tm_p.h", from a list in
17038 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
17039 "i386/i386-protos.h".
17041 * alias.c: Include "tm_p.h".
17042 * c-typeck.c: Likewise.
17043 * calls.c: Likewise.
17045 * emit-rtl.c: Likewise.
17046 * explow.c: Likewise.
17047 * expmed.c: Likewise.
17048 * expr.c: Likewise.
17049 * final.c: Likewise.
17050 * flow.c: Likewise.
17051 * fold-const.c: Likewise.
17052 * function.c: Likewise.
17053 * gcse.c: Likewise.
17054 * global.c: Likewise.
17055 * haifa-sched.c: Likewise.
17056 * integrate.c: Likewise.
17057 * jump.c: Likewise.
17058 * local-alloc.c: Likewise.
17059 * loop.c: Likewise.
17060 * optabs.c: Likewise.
17061 * recog.c: Likewise.
17062 * reg-stack.c: Likewise.
17063 * regclass.c: Likewise.
17064 * regmove.c: Likewise.
17065 * reload.c: Likewise.
17066 * reload1.c: Likewise.
17067 * reorg.c: Likewise.
17068 * resource.c: Likewise.
17069 * stmt.c: Likewise.
17070 * stor-layout.c: Likewise.
17071 * toplev.c: Likewise.
17072 * tree.c: Likewise.
17073 * unroll.c: Likewise.
17074 * genattrtab.c (main): Make generated file include "tm_p.h".
17075 * genemit.c (main): Likewise.
17076 * genoutput.c (main): Likewise.
17077 * genrecog.c (main): Likewise.
17079 * i386.h: Delete all prototypes.
17080 * i386.c: Include "tm_p.h".
17081 (ix86_attr_length_default): Call constant_call_address_operand
17082 with correct number of arguments.
17083 * i386-protos.h: New file.
17084 * i386.md (unnamed patterns): Call constant_call_address_operand
17085 with correct number of arguments.
17086 (exception_receiver): Call load_pic_register with correct number
17089 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
17091 * c-pragma.c (mark_align_stack): Dereference the void* properly.
17093 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
17095 * rtl.h (insns_safe_to_move_p): New function.
17096 * loop.c (find_and_verify_loops): Use it.
17097 * rtlanal.c (insns_safe_to_move_p): Define it.
17099 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
17101 * c-pragma.c: Include ggc.h.
17102 * Makefile.in (c-pragma.o): Update.
17104 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17106 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
17107 (LIB_SPEC): Likewise.
17108 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
17109 Reindent -YP/-p/-pg.
17110 Copied from config/sparc/sol2.h.
17112 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
17114 * c-pragma.c (mark_align_stack): New.
17115 (init_pragma): New.
17116 * c-pragma.h (init_pragma): Declare it.
17117 * c-lex.c (init_parse): Call it.
17119 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17121 * configure.in: Pick up thread library on Solaris/x86 just
17122 like on Solaris/sparc.
17123 * configure: Rebuilt.
17125 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
17127 * rtl.h (global_rtx_index): New enum.
17128 (global_rtl): Change to array of rtx.
17129 (pc_rtx, cc0_rtx): Redefine accordingly.
17130 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
17131 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
17132 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
17133 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
17134 (const_int_rtx): Change to array of rtx.
17135 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
17137 * emit-rtl.c (global_rtl): Change to array of rtx.
17138 (const_int_rtx): Change to aray of rtx.
17139 (gen_rtx_CONST_INT): Redefine accordingly.
17140 (init_emit_once): Allocate and initialize global_rtl. Likewise
17141 for const_int_rtx. Add both as GC roots.
17142 * genattrtab.c (global_rtl): Update declaration.
17144 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
17146 * Makefile (USER_H): Add iso646.h back.
17148 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
17150 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
17151 zapping the LOG_LINKS of sched_before_next_call.
17153 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
17154 * pa.c (insn_refs_are_delayed): Renamed from
17155 insn_sets_and_refs_are_delayed.
17157 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
17159 * functiion.h (struct function): Add x_whole_function_mode_p.
17160 (retrofit_block): Declare.
17161 * function.c (retrofit_block): New function.
17162 (identify_blocks): Add assertions. Allow an incomplete set of
17163 block notes if we're still generating code for the function.
17164 * integrate.c: Include loop.h.
17165 (expand_inline_function): Call find_loop_tree_blocks to map block
17166 notes to blocks when in whole-function mode. Use retrofit_block
17167 to insert new BLOCKs for the inlined function, rather than
17169 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
17170 * Makefile.in (integrate.o): Depend on loop.h.
17172 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
17174 * tree.h (warn_about_unused_variables): Declare.
17175 * stmt.c (warn_about_unused_variables): New function, split out
17177 (expand_end_bindings): Here.
17179 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
17181 * stmt.c (preserve_subexpressions_p): Don't crash when
17182 current_function->stmt is unset.
17184 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
17186 * stmt.c (expand_start_bindings): Allow callers to pass a flag
17187 indicating that no NOTE_INSN_BLOCK_BEG note is required.
17188 (expand_start_target_temps): Use it.
17189 * except.c (expand_eh_region_start_for_decl): Likewise.
17190 * expr.c (expand_expr): Likewise.
17192 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
17194 * fold-const.c (operand_equal_p): Pay attention to side effects.
17196 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
17198 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
17199 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
17201 * tlink.c (scan_linker_output): Look for keywords before accepting
17202 a mangled name in quotes.
17204 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
17206 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
17207 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
17209 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
17211 * alpha.md: Revert Thu Nov 26 change that came in through the
17212 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
17213 Avoid earlyclobber when possible.
17215 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17217 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
17219 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
17220 Define HAVE_ON_EXIT.
17222 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17224 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
17225 CTYPE_CONV in all ctype macros.
17227 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
17230 * cexp.y (initialize_random_junk): Likewise.
17232 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
17234 * i370.c (handle_pragma): Likewise.
17236 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
17238 * v850.c (override_options): Likewise.
17240 * doprint.c (_doprnt): Likewise.
17242 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
17245 * fixinc/server.c (load_data): Likewise.
17247 * fold-const.c (real_hex_to_f): Likewise.
17249 * genattr.c (write_upcase, gen_attr): Likewise.
17251 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
17252 write_upcase): Likewise.
17254 * genemit.c (print_code): Likewise.
17256 * genopinit.c (gen_insn): Likewise.
17258 * genpeep.c (print_code): Likewise.
17260 * genrecog.c (print_code): Likewise.
17262 * optabs.c (init_libfuncs): Likewise.
17264 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
17266 * haifa-sched.c (sched_analyze): Keep the list of notes organized
17268 (reemit_notes): Likewise.
17270 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
17272 * ggc.h (ggc_root): Move to ggc-common.c.
17274 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
17275 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
17276 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
17277 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
17278 * ggc-common.c (ggc_root): Move from ggc.h.
17279 (roots): Declare, static.
17280 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
17281 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
17282 null or check/set mark bit.
17283 (ggc_mark_roots): New.
17284 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
17286 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
17288 * m32r.c: Include toplev.h.
17289 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
17290 (gen_compare): Rename swap_p to must_swap to match uses.
17291 Add default abort case.
17292 (m32r_output_function_epilogue): Remove unused variables.
17293 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
17294 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
17295 define to empty parameter list. Update all uses.
17296 (predicate decls): Use enum machine_mode not int.
17297 * m32r.md (movsi): Call abort, not fatal_insn.
17298 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
17300 1999-09-14 Andrew Haley <aph@cygnus.com>
17302 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
17303 use $0 instead of 0.
17305 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17307 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
17308 computation out of loop over hard regs.
17310 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
17312 * function.c (identify_blocks): Don't shadow a variable in an
17314 * integrate.c (integrate_decl_tree): Don't use pushlevel,
17315 pushdecl, or poplevel to build up the new BLOCK tree.
17316 (expand_inline_function): Likewise.
17317 (integrate_parm_decls): Likewise.
17319 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
17321 * c-typeck.c (qualify_type): Merge qualifiers from both types.
17323 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
17325 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
17326 * invoke.texi: Document this change.
17328 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
17330 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
17332 (mark_emit_status): Renamed from mark_emit_state.
17333 * except.c (mark_eh_status): Renamed from mark_eh_state.
17334 Check not null before marking.
17335 (free_eh_status): New.
17336 * expr.c (mark_expr_status, free_expr_status): New.
17337 * function.c (free_machine_status): New.
17338 (free_after_parsing): New.
17339 (free_after_compilation): Move bits to free_after_parsing; call
17340 free_eh_status, free_expr_status; zero the marked members of the
17342 (prepare_function_start): No can_garbage_collect.
17343 Call init_eh_for_function.
17344 (expand_dummy_function_end): Free up current_function state.
17345 (mark_function_status): Renamed from mark_function_state.
17346 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
17347 * function.h (struct function): No can_garbage_collect.
17348 (free_machine_status, free_after_parsing): Declare.
17349 (free_eh_status, free_expr_status): Declare.
17350 * ggc.h (mark_expr_status): Declare.
17351 * stmt.c (free_stmt_status): Free the struct.
17352 (mark_stmt_status): Renamed from mark_stmt_state.
17353 (init_stmt): Don't call init_eh.
17354 (init_stmt_for_function): Don't call init_eh_for_function.
17355 * toplev.c (compile_file): Call init_eh.
17356 (rest_of_compilation): Free basic block info before ggc_collect.
17357 Call free_after_parsing; conditionally call free_after_compilation.
17358 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
17359 Check not null before marking.
17360 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
17362 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
17364 * c-lex.c (yylex): Initialize warn.
17366 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
17368 * pa.c (emit_move_sequence): Properly set the mode of the scratch
17369 register when performing secondary reloads for the SAR register.
17371 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
17373 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
17374 (NOTE_BLOCK): New macro.
17375 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
17376 * function.h (identify_blocks): Change prototype.
17377 * function.c (identify_blocks): Simplify.
17378 (reorder_blocks): Likewise.
17379 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
17380 NOTE_INSN_BLOCK_{BEG,END}.
17381 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
17382 the list of saved notes if the note isn't a
17383 NOTE_INSN_BLOCK_{BEG,END}.
17384 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
17386 (reemit_notes): Adjust recreation of notes to reflect new saved
17388 * print-rtl.c (print_rtx): Print the address of the BLOCK when
17389 printing a block note.
17390 * stmt.c (block_vector): Remove.
17391 (find_loop_tree_blocks): Simplify.
17392 (unroll_block_trees): Likewise.
17393 * tree.h (reorder_block): Change prototype.
17395 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
17397 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
17398 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
17399 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
17400 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
17401 (atexit, exit): Simplify.
17402 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
17403 * config/lots: Remove defns of HAVE_ATEXIT.
17405 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
17407 * calls.c (precompute_arguments): Fix typo in comment.
17408 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
17411 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
17413 * dsp16xx.c (override_options): Fix typos in GC root registration.
17415 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
17417 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
17418 from config/svr4.h.
17419 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
17420 (FUNCTION_PROFILER): Redefine appropriately for Linux.
17421 (CC1_SPEC): Likewise.
17423 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17425 * genattr.c (main): Add extern prototype. Call return, not exit.
17426 * genattrtab.c (main): Likewise.
17427 * gencheck.c (main): Likewise.
17428 * gencodes.c (main): Likewise.
17429 * genconfig.c (main): Likewise.
17430 * genemit.c (main): Likewise.
17431 * genextract.c (main): Likewise.
17432 * genflags.c (main): Likewise.
17433 * gengenrtl.c (main): Likewise.
17434 * genopinit.c (main): Likewise.
17435 * genoutput.c (main): Likewise.
17436 * genpeep.c (main): Likewise.
17437 * genrecog.c (main): Likewise.
17439 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
17440 * genattrtab.c (get_insn_name): Likewise.
17441 * gencodes.c (get_insn_name): Likewise.
17442 * genconfig.c (get_insn_name): Likewise.
17443 * genemit.c (get_insn_name): Likewise.
17444 * genextract.c (get_insn_name): Likewise.
17445 * genflags.c (get_insn_name): Likewise.
17446 * genopinit.c (get_insn_name): Likewise.
17447 * genpeep.c (get_insn_name): Likewise.
17449 * gencheck.c (usage): Add static prototype.
17450 * genextract.c (print_path): Constify a char*.
17451 * genopinit.c (optabs): Likewise.
17452 * genoutput.c (operand_data, data, output_predicate_decls,
17453 compare_operands): Likewise.
17454 * genrecog.c (write_tree): Add default case in switch.
17456 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17458 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
17460 * print-rtl.c (get_insn_name): Remove prototype.
17462 * toplev.h (progname): Declare const.
17464 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
17465 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
17466 dump_sched_info, dump_local_alloc, regset_release_memory,
17467 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
17468 error_with_file_and_line, error_with_decl, error_for_asm, error,
17469 fatal, warning_with_file_and_line, warning_with_decl, warning,
17470 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
17471 Remove redundant prototypes.
17473 (notice, check_lang_option, report_file_and_line, vnotice,
17474 mark_file_stack): Add static prototype.
17475 (set_fatal_function): Add prototype.
17476 (vnotice, report_file_and_line, set_fatal_function,
17477 check_lang_option): Constify a char*.
17478 (main): Prototype. Call return, not exit.
17480 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17482 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
17484 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
17486 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
17488 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
17490 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17492 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
17493 behave as if it's zero in all cases.
17494 (expand_function_start): Adjust call to assign_parms.
17495 * tree.h (assign_parms): Adjust prototype.
17496 * objc/objc-act.c (hack_method_prototype): Adjust call to
17499 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
17501 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
17502 arg_pointer_rtx fixed if the argument pointer register is
17504 (NONZERO_BASE_PLUS_P): Likewise.
17506 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
17508 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
17509 match_insn2 to match_insn.
17510 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
17512 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
17514 * Makefile.in (USER_H): Remove va-foo.h.
17516 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
17517 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
17518 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
17519 va-spur.h,va-v850.h}: Remove.
17521 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
17523 * sparc/sparc.md (eligible_for_return_delay): New attribute.
17524 (in_return_delay): Use it instead of match_insn.
17526 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17528 * config/alpha/va_list.h (va-alpha.h): Do not include.
17529 (__gnuc_va_list): Typedef as in varargs.h.
17531 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
17533 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
17534 DECL_LIVE_RANGE_RTL.
17536 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
17538 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
17539 not NOTE_BLOCK_NUMBER.
17540 (expand_eh_region_end): Likewise.
17541 (find_exception_handler_labels): Likewise.
17542 (scan_region): Likewise.
17543 (exception_optimize): Likewise.
17544 (update_rethrow_references): Likewise.
17545 (set_insn_eh_region): Likewise.
17546 * final.c (final_scan_insn): Likewise.
17547 * flow.c (make_edges): Likewise.
17548 * integrate.c (expand_inline_function): Likewise.
17549 * print-rtl.c (print_rtx): Likewise.
17551 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
17553 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
17554 terms of builtin functions and types.
17556 * mips.c (mips_build_va_list): New.
17557 (mips_va_start, mips_va_arg): New.
17558 * mips.h (BUILD_VA_LIST_TYPE): New.
17559 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
17561 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
17562 (sh_build_va_list, sh_va_start, sh_va_arg): New.
17563 * sh.h (BUILD_VA_LIST_TYPE): New.
17564 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
17566 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
17568 * recog.h (struct recog_data): Make dup_num, operand_address_p,
17569 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
17570 (struct insn_data): Likewise with n_operands, n_dups,
17571 n_alternatives, output_format.
17572 * regclass.c (scan_one_insn): Cast n_operands to int before
17573 arithmetic inside comparison.
17575 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
17577 * toplev.c (compile_function): Unconditionally emit nop.
17579 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17581 * haifa-sched.c (actual_hazard): Move declaration of variable
17582 `this_cost' into the scope where it is used.
17584 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17586 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
17587 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
17588 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
17590 * genrecog.c (make_insn_sequence): Call memset, not bzero.
17592 * jump.c (find_insert_position): Don't declare or define unless
17593 !HAVE_conditional_arithmetic.
17594 (returnjump_p_1, delete_prior_computation): Add static prototypes.
17596 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
17598 * recog.c (offsettable_address_p): Prototype function pointer.
17599 (preprocess_constraints): Call memset, not bzero.
17601 * tree.c (tree_node_kind_names): Constify a char*. Make static.
17602 (gcc_obstack_init): Don't declare.
17603 (fix_sizetype): Add static prototype.
17604 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
17605 (tree_cons): Call memset, not bzero.
17607 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
17608 definition in macro ASM_WEAKEN_LABEL.
17609 (mark_const_hash_entry): Add static prototype.
17611 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17613 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
17615 * unroll.c (find_common_reg_term, subtract_reg_term,
17616 loop_find_equiv_value): Add static prototypes.
17617 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
17618 (copy_loop_body): Remove unreachable break statement.
17620 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
17622 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
17624 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17626 Undo some changes from the gcc2 merge:
17627 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
17628 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
17632 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
17633 * emit-rtl.c (gen_lowpart_common): Disable optimization of
17634 initialized float-int union if the value is a NaN.
17636 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
17638 * gthr-win32.h: New file.
17640 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
17641 shared as a valid attribute.
17642 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
17643 * extend.texi: Document `shared' variable attribute.
17645 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
17647 * configure.in: Handle --enable-threads on FreeBSD.
17648 * configure: Rebuit.
17650 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17652 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
17654 * configure: Rebuilt.
17656 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
17657 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
17658 Rosimildo DaSilva <rdasilva@connecttel.com>
17660 * configure.in (m68k-*-rtemscoff*): Added.
17661 * configure.in (mips64orion-*-rtems*): Converted to ELF.
17662 * configure.in (sparc-*-rtemsaout*): Added as alias for old
17663 sparc-rtems configuration.
17664 * configure.in (sparc-*-rtemself*): Added.
17665 * configure.in (sparc-*-rtems*): Now ELF not a.out.
17666 * config/i386/rtems.h: Added comment.
17667 * config/sparc/rtemself.h: New file.
17669 * configure.in (m68k-rtemself): Added.
17670 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
17671 and DWARF_DEBUGGING_INFO.
17672 * config/m68k/crti.s: New file.
17673 * config/m68k/crtn.s: New file.
17674 * config/m68k/t-crtstuff: New file.
17675 * config/m68k/rtemself.h: New file.
17677 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
17678 global ctor/dtor and C++ exception handling.
17679 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
17680 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
17682 * config/i386/t-rtems-i386: New File.
17684 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
17686 * stmt.c (expand_end_case): Return right away if the case stack is
17689 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
17691 * Makefile.in (version.c): Remove rule incorrectly brought in from
17694 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
17696 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
17697 * msdos/top.sed: Take into account a prepended $(SHELL) to
17699 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
17701 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
17703 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17705 * regmove.c (fixup_match_1): Don't change an unchanging register.
17706 (stable_but_for_p): Renamed to:
17707 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
17708 Changed all callers.
17710 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
17712 * loop.c (strength_reduce): Don't call reg_used_between_p if the
17713 insn from BL2 is after the insn from BL.
17715 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
17717 * recog.h (INSN_OUTPUT_FORMAT_*): New.
17718 (struct insn_data): Merge `template' and `outfun' into `output'.
17719 Add `output_format'.
17720 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
17721 (struct data): Remove `outfun'; add `output_format'.
17722 (name_for_index): Remove declaration.
17723 (output_insn_data): Handle output formats.
17724 (process_template): Emit the bare array for @.
17725 (gen_expand, gen_split): Set output_format to NONE.
17726 * output.h (get_insn_template): Declare.
17727 * final.c (get_insn_template): New.
17728 (final_scan_insn): Use it.
17729 * toplev.c (compile_file): Likewise.
17731 * c4x/c4x.c (c4x_process_after_reload): Likewise.
17732 * i860/i860.c (output_delayed_branch): Likewise.
17733 (output_delay_insn): Likewise.
17735 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17737 * rtl.c (obstack_alloc_rtx): Removed.
17739 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
17741 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
17743 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
17745 * i386.c (call_insn_operand): Reject const_int.
17746 (expander_call_insn_operand): Use call_insn_operand.
17748 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17750 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
17752 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
17754 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
17755 Use DImode operation.
17757 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
17759 * gcc.c: Include sys/resource.h.
17760 (report_times): New flag.
17761 (execute): If report_times is set, calculate and report the
17762 CPU time consumed by each subprocess.
17764 (rus, prus): New globals.
17765 (option_map): Add --time.
17766 (display_help): Document -time.
17767 (process_command): Set report_times if -time is given.
17768 Turn off -pipe if -time is given.
17770 * invoke.texi: Document new option -time.
17772 * configure.in: Check for getrusage. Check if we have to
17773 prototype getrusage.
17774 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
17775 * configure: Regenerate.
17776 * config.in: Regenerate.
17778 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
17780 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
17783 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
17785 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
17786 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
17787 (nan): Return _thenan_sf or _thenan_df as appropriate.
17788 (L_thenan_sf): Define _thenan_sf.
17789 (L_thenan_df): Define _thenan_df.
17791 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
17792 (DPBIT_FUNCS): Add _thenan_df.
17794 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
17796 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
17799 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17801 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
17804 (lang_specific_driver): Don't take a function pointer parameter.
17805 All callers changed.
17807 * gcc.c: Include gcc.h.
17808 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
17809 lang_specific_extra_outfiles, fatal): Don't declare.
17810 (multilib_defaults_raw): Constify.
17811 (read_specs): Call memset, rather than bzero.
17812 (main): Call return, not exit.
17813 (lookup_compiler): Call memcpy, not bcopy.
17814 (fatal): Make extern.
17816 * cppspec.c: Include gcc.h.
17817 (lang_specific_driver): Initialize variable `quote'. Constify a
17818 char*. All calls to the function pointer parameter now
17819 explicitly call `fatal'.
17821 * gccspec.c (lang_specific_driver): Include gcc.h.
17823 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
17825 * arm.c (note_invalid_constants): Use recog_data.operand_type
17828 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17830 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
17833 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
17834 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
17835 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
17836 reload_secondary_in_reload, reload_secondary_out_reload,
17837 reload_secondary_in_icode, reload_secondary_out_icode,
17838 reload_reg_rtx, reload_when_needed): Delete declarations.
17839 (struct reload): New structure.
17840 (rld): Declare new array.
17841 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
17842 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
17843 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
17844 reload_secondary_in_reload, reload_secondary_out_reload,
17845 reload_secondary_in_icode, reload_secondary_out_icode,
17846 reload_reg_rtx, reload_when_needed): Delete definitions.
17848 (whole file): Replace uses of the deleted arrays with uses of rld.
17849 * reload1.c (whole file): Replace uses of the deleted arrays with
17851 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
17852 explicit loops, not with bcopy.
17854 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
17856 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
17857 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
17858 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
17859 insn_name): Delete and consolidate into new structures.
17860 (insn_operand_predicate_fn): New.
17861 (insn_output_fn): New.
17862 (insn_gen_fn): New.
17863 (struct insn_operand_data): New.
17864 (struct insn_data): New.
17866 (OUT_FCN): Update for insn_data change.
17867 * builtins.c (expand_builtin_strlen): Likewise.
17868 (expand_builtin_memcmp): Likewise.
17869 * combine.c (make_extraction, simplify_comparison): Likewise.
17870 * cse.c (canon_reg, cse_insn): Likewise.
17871 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
17872 * expmed.c (store_bit_field, extract_bit_field): Likewise.
17873 (emit_store_flag): Likewise.
17874 * expr.c (convert_move, emit_block_move): Likewise.
17875 (clear_storage, emit_push_insn, expand_increment): Likewise.
17876 (do_store_flag): Likewise.
17877 * expr.h (GEN_FCN): Likewise.
17878 (insn_gen_function): Die.
17879 * final.c (final_scan_insn): Update for insn_data change.
17880 (output_asm_name): Likewise.
17881 * function.c (fixup_var_refs_1): Likewise.
17882 * loop.c (check_dbra_loop): Likewise.
17883 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
17884 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
17885 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
17886 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
17887 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
17888 * regmove.c (gen_add3_insn): Likewise.
17889 * reload.c (push_secondary_reload, combine_reloads): Likewise.
17890 (find_reloads, find_reloads_address_1): Likewise.
17891 (debug_reload_to_stream): Likewise.
17892 * reload1.c (emit_reload_insns, gen_reload): Likewise.
17893 * stmt.c (expand_end_case): Likewise.
17894 * toplev.c (compile_file): Likewise.
17896 * c4x/c4x.c (c4x_process_after_reload): Likewise.
17897 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
17899 * print-rtl.c (insn_name_ptr): Remove declaration.
17900 (get_insn_name): Declare.
17901 (print_rtx): Use it.
17902 * genoutput.c (insn_name_ptr): Remove.
17903 (next_operand_number): New.
17904 (struct operand_data): New.
17905 (null_operand, odata, odata_end): New.
17906 (struct data): Use struct operand_data.
17907 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
17908 (get_insn_name): Renamed from name_for_index.
17909 (output_prologue): Define NO_MD_PROTOTYPES.
17910 (output_predicate_decls): Break out from output_epilogue.
17911 Iterate over the operands list.
17912 (output_operand_data): Break out from output_epilogue. Emit
17913 just the operands list.
17914 (output_insn_data): Break out from output_epilogue. Emit just
17916 (output_epilogue): Remove.
17917 (output_get_insn_name): New.
17918 (constraints, op_n_alternatives, predicates, address_p): Die.
17919 (modes, strict_low, seen): Die.
17920 (scan_operands): Take new param `d' instead of writing to
17921 seven global variables.
17922 (compare_operands): New.
17923 (place_operands): New.
17924 (validate_insn_alternatives): Update for struct data change.
17925 (gen_insn): Don't zero or copy 7 global arrays. Update for
17926 scan_operands; call place_operands.
17927 (gen_peephole, gen_expand, gen_split): Likewise.
17928 (main): Update for new output routines.
17930 * genattr.c (insn_name_ptr): Remove.
17931 (get_insn_name): New function.
17932 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
17933 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
17934 * genrecog.c: Likewise.
17936 * alpha.md (adddi3): Make `pattern' array static.
17938 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17940 * config/c4x/c4x.h (c4x_rpts_cycles_string,
17941 c4x_cpu_version_string): Constify char *.
17942 * config/c4x/c4x.c (c4x_rpts_cycles_string,
17943 c4x_cpu_version_string): Likewise.
17945 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
17947 * tree.c (save_tree_status): Revert 10 Sep change.
17948 (restore_tree_status): Likewise. Call obstack_free with NULL
17949 before freeing the obstack proper.
17951 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
17953 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
17955 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
17956 surrounding context.
17958 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
17960 * tree.c (type_hash_canon): Put all types in the hash-table, when
17963 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
17965 * recog.h (struct recog_data, recog_data): New.
17966 (recog_foo variables): Kill.
17967 * recog.c (recog_operand, recog_operand_loc): Kill.
17968 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
17969 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
17970 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
17971 (recog_data): Define.
17972 (extract_insn): Update all recog_foo references to use recog_data.
17973 (preprocess_constraints, constrain_operands): Likewise.
17974 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
17975 * genattrtab.c (main): Likewise.
17976 * genextract.c (main): Likewise.
17977 * genoutput.c: Likewise.
17978 * genrecog.c (write_subroutine, main): Likewise.
17979 * local-alloc.c (block_alloc): Likewise.
17980 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
17981 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
17982 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
17983 * reload.c (find_reloads, find_reloads_toplev): Likewise.
17984 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
17985 (reload_cse_simplify_operands): Likewise.
17987 * arc/arc.c (arc_final_prescan_insn): Likewise.
17988 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
17989 * h8300/h8300.c (notice_update_cc): Likewise.
17990 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
17991 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
17992 * mn10200/mn10200.c (notice_update_cc): Likewise.
17993 * mn10300/mn10300.c (notice_update_cc): Likewise.
17994 * romp/romp.c (update_cc): Likewise.
17995 * sparc/sparc.c (check_pic): Likewise.
17996 * v850/v850.c (notice_update_cc): Likewise.
17998 * genemit.c (main): Don't declare recog_operand.
18000 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
18002 * ggc.h (rtvec_def): Forward declare.
18003 (tree_node): Likewise.
18004 (ggc_root): Define.
18006 (ggc_set_mark_rtx): Add prototype.
18007 (ggc_set_mark_rtvec): Likewise.
18008 (ggc_set_mark_tree): Likewise.
18009 * ggc-simple.c (ggc_root): Don't define.
18010 (roots): Don't declare.
18011 (ggc_mark_rtx): Remove.
18012 (ggc_mark_rtvec): Likewise.
18013 (ggc_mark_tree): Likewise.
18014 (ggc_mark_varray): Likewise.
18015 (ggc_mark_tree_hash_table_entry): Likewise.
18016 (ggc_mark_tree_hash_table): Likewise.
18017 (ggc_set_mart_rtx): New function.
18018 (ggc_set_mark_rtvec): Likewise.
18019 (ggc_set_mark_tree): Likewise.
18020 (ggc_add_root): Remove.
18021 (ggc_add_rtx_root): Likewise.
18022 (ggc_remove_tree_root): Likewise.
18023 (ggc_add_string_root): Likewise.
18024 (ggc_add_tree_varray_root): Likewise.
18025 (ggc_add_tree_hash_table_root): Likewise.
18026 (ggc_del_root): Likewise.
18027 (ggc_mark_rtx_ptr): Likewise.
18028 (ggc_mark_tree_ptr): Likewise.
18029 (ggc_mark_string_ptr): Likewise.
18030 (ggc_mark_tree_varray_ptr): Likewise.
18031 (ggc_mark_tree_hash_table_ptr): Likewise.
18032 * ggc-common.c: New file.
18033 * Makefile.in (OBJS): Add ggc-common.o.
18034 (ggc-common.o): List dependencies.
18036 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
18038 * cppalloc.c (xstrdup): Use memcpy.
18039 * cpperror.c (cpp_print_containing_files): Don't use
18041 * cpplib.c (conditional_skip): Set temp->lineno.
18042 (do_endif): Make error message less obscure.
18043 (if_directive_name): New function.
18044 (cpp_get_token [case EOF]): Unwind the if stack and generate
18045 error messages for each unterminated conditional in this file.
18046 (parse_string): Do not behave differently if -traditional.
18048 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
18050 * builtins.c (expand_builtin_va_arg): Cope with an array-type
18051 va_list decomposing to pointer-type.
18052 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
18053 (rs6000_va_arg): Likewise.
18055 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
18057 * except.c (start_dynamic_handler): Compute size using
18058 STACK_SAVEAREA_MODE.
18060 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18062 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
18063 include directory headers. Don't define strrchr. Don't provide
18064 my_* replacement functions. Prefer PTR over `pointer_type'.
18065 Don't prototype system functions. Don't redefine getopt.
18067 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
18068 safe_read, safe_write, save_pointers, restore_pointers,
18069 is_id_char, in_system_include_dir, directory_specified_p,
18070 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
18071 find_corresponding_lparen, referenced_file_is_newer,
18072 save_def_or_dec, munge_compile_params, gen_aux_info_file,
18073 process_aux_info_file, identify_lineno, check_source,
18074 seek_to_line, forward_to_next_token_char, output_bytes,
18075 output_string, output_up_to, other_variable_style_function,
18076 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
18077 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
18078 find_static_definition, connect_defs_and_decs, add_local_decl,
18079 add_global_decls, needs_to_be_converted, visit_each_hash_node,
18080 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
18081 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
18082 scan_for_missed_items, edit_file, string_list_cons): Add static
18084 (standard_exec_prefix, target_machine, target_version,
18085 default_syscalls_dir, string_list, string_list_cons, find_file,
18086 do_cleaning): Constify a char*.
18087 (safe_read, safe_write): Use PTR, not a char*.
18088 (is_id_char): Take an int, not a char.
18089 (main): Add prototype. Call return, not exit.
18091 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
18093 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
18094 when comparing types.
18096 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
18098 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
18099 (strength_reduce): Release the varrays from the no-bivs early exit.
18101 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
18102 the loop over the registers.
18104 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
18106 (restore_tree_status): Check that instead when freeing the obstack.
18108 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
18110 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
18113 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18115 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
18116 operand size modifiers.
18118 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18120 * c-common.c (c_common_nodes_and_builtins): Don't build
18122 * c-common.h (enum c_tree_index and related accesor macros): Remove
18123 everything now declared in tree.h.
18124 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
18125 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
18126 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
18127 (error_mark_node, void_type_node, char_type_node, integer_type_node,
18128 unsigned_type_node, ptr_type_node, va_list_type_node,
18129 integer_zero_node, null_pointer_node, integer_one_node): Delete.
18130 (init_decl_processing): Call build_common_tree_nodes and
18131 build_common_tree_nodes_2 instead of building their nodes here.
18132 Don't add roots for these nodes.
18133 * stor-layout.c (size_zero_node, size_one_node): Delete.
18134 (set_sizetype): Make a new node for bitsizetype each time.
18135 * tree.c (global_trees): New variable.
18136 (init_obstacks): Add a gc root for it.
18137 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
18138 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
18139 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
18140 (build_common_tree_nodes): New function.
18141 (fix_sizetype): New function.
18142 (build_common_tree_nodes_2): New function.
18143 * tree.h (enum tree_index): New.
18144 (global_trees): Declare.
18145 Add accessor macros for all nodes now moved to global_trees.
18146 Delete their declarations.
18148 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
18150 * c-decl.c (finish_function): When processing a nested function,
18151 push and pop GC context around rest_of_compilation.
18153 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
18155 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
18156 Default ix86_arch to PROCESSOR_I386.
18157 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
18158 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
18159 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
18160 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
18161 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
18162 (EXTRA_SPECS): Remove deleted specs.
18164 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
18166 * function.c (assign_stack_local_1): Allocate from
18167 function->x_frame_offset, not frame_offset.
18169 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
18171 * ggc.h (lang_cleanup_tree): Remove.
18172 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
18173 * ggc-callbacks.c (lang_cleanup_tree): Remove.
18175 * c-decl.c (finish_struct): Use ggc_alloc to allocate
18176 TYPE_LANG_SPECIFIC when garbage collecting.
18177 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
18178 (lang_cleanup_tree): Remove.
18180 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18182 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
18183 * crtstuff.c: Not here.
18184 * dwarf2out.c: Or here.
18185 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
18188 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
18190 * function.h (free_after_compilation): Remove decl parameter.
18191 (free_varasm_status0: Likewise.
18192 (free_emit_status): Likewise.
18193 (free_stmt_status): Likewise.
18194 (free_after_compilation): Likewise.
18195 (init_lang_status): New variable.
18196 (free_lang_status): Likewise.
18197 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
18198 * function.c (init_lang_status): New variable.
18199 (free_lang_status): Likewise.
18200 (push_function_context_to): Don't set function::decl here.
18201 (free_after_copmilation): Make decl parameter implicit. Call
18202 free_lang_status if defined.
18203 (prepare_function_start): Call init_lang_status if defined.
18204 (init_function_start): Set function::decl here.
18205 * profile.c (output_func_start_profiler): Don't call pushdecl
18206 until we've actually started the function.
18207 * stmt.c (free_stmt_status): Make decl parameter implicit.
18208 * toplev.c (rest_of_compilation): Don't pass decl to
18209 free_after_compilation.
18210 * varasm.c (free_varasm_status): Likewise.
18212 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18214 * except.c (call_get_eh_context): Add root when allocating static
18217 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
18219 * arm.c: Include "ggc.h".
18220 (arm_add_gc_roots): New function.
18221 (arm_override_options): Call it.
18222 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
18224 * arm.md (define_asm_attributes): Add a pool_range attribute.
18226 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
18228 * extend.texi (Volatiles): New node.
18230 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
18232 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
18233 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
18234 (struct ggc_any): Replace `mark' with `magic_mark'.
18235 (ggc_alloc_string): Use memcpy, not bcopy.
18236 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
18237 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
18238 (ggc_free_any): New.
18239 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
18240 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
18241 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
18242 Use IS_MARKED. Use ggc_free_any.
18244 1999-09-09 Scott Bambrough <scottb@netwinder.org>
18246 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
18248 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
18250 * toplev.c (main): Always init_ggc.
18252 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
18254 * except.c (find_all_handler_type_matches): Free the list if
18255 we found no matches.
18257 * combine.c (SUBST): Break out to a real function do_SUBST.
18258 (SUBST_INT): Likewise.
18259 * gcse.c (free_pre_mem): Free `temp_bitmap'.
18260 (pre_insert): Free `inserted'.
18261 * loop.c (basic_induction_var): Always set `location'.
18263 * function.c (expand_function_end): Add initial_trampoline as a root.
18264 * rtl.h (init_varasm_once): Declare.
18265 * toplev.c (compile_file): Call it.
18266 * ggc-simple.c (ggc_mark_string_ptr): New.
18267 (ggc_add_string_root): New.
18268 (ggc_collect): Disable collection avoidance temporarily.
18269 * ggc.h (ggc_add_string_root): Declare.
18270 * except.c (create_rethrow_ref): Use ggc_alloc_string.
18271 * optabs.c (init_libfuncs): Likewise.
18272 * varasm.c (named_section): Use ggc_alloc_string.
18273 (make_function_rtl): Likewise.
18274 (make_decl_rtl): Likewise.
18275 (assemble_static_space): Likewise.
18276 (assemble_trampoline_template): Likewise.
18277 (output_constant_def): Likewise.
18278 (force_const_mem): Likewise.
18279 (mark_const_hash_entry): New.
18280 (mark_pool_sym_hash_table): New.
18281 (mark_varasm_state): Use it.
18282 (init_varasm_once): New.
18284 * expr.h (init_one_libfunc): Declare.
18285 * optabs.c (init_one_libfunc): New.
18286 (init_optabs): Use it.
18287 * config/gofast.h: Likewise.
18288 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
18289 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
18291 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18293 * Makefile.in (cppexp.o): Depend on cpphash.h.
18294 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
18296 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
18297 * cpplib.c (do_define): Generalise to handle poisoned definitions,
18298 redefining poisoned identifiers, etc.
18299 (do_undef): Don't allow poisoned identifiers to be undefined.
18300 (do_pragma): Add #pragma poison.
18301 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
18303 * cccp.c: Add T_POISON node type.
18304 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
18306 (do_define): Generalise to handle poisoned definitions,
18307 redefining poisoned identifiers, etc.
18308 (do_undef): Don't allow poisoned identifiers to be undefined.
18309 (do_pragma): Add #pragma poison.
18310 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
18312 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
18313 * c-pragma.h: Add ps_poison state. We now always have generic
18316 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
18318 * ggc.h (ggc_alloc): New function.
18319 (ggc_mark): Likewise.
18320 * ggc-simple.c (ggc_any): New structure.
18321 (ggc_status): Add anys.
18322 (n_anys_collected): New variable.
18323 (ggc_alloc): Define.
18324 (ggc_mark): Likewise.
18325 (ggc_collect): Collect the anys.
18327 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18329 * c-decl.c (mark_binding_level): Make static to match prototype.
18331 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
18333 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
18335 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
18337 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
18338 will use into account. Expand the max width to 5.
18341 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
18343 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
18344 for the rtx length.
18346 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
18348 * alpha.md (call value patterns): Remove the result predicates.
18350 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
18352 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
18355 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18357 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
18358 changed from extern char *, to extern PTR. Also fix typo in
18359 NEED_DECLARATION_REALLOC test.
18361 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
18363 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18365 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
18366 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
18367 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
18368 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
18370 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
18372 * cccp.c (pcfinclude): Likewise.
18374 * global.c (allocno_compare): Likewise.
18376 * haifa-sched.c (rank_for_schedule): Likewise.
18378 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
18380 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
18382 * stupid.c (stupid_reg_compare): Likewise.
18384 * tree.c (_obstack_allocated_p): Likewise.
18386 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
18388 1999-09-08 Bruce Korb autogen@linuxbox.com
18390 * Makefile.in: Give the hapless gperf user a hint about
18391 why "gperf -F" fails.
18393 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
18395 * lists.c: Include ggc.h.
18397 (init_EXPR_INSN_LIST_cache): Install it.
18399 * ggc-simple.c (init_ggc): Absorb the old init.
18400 (ggc_push_context): Use xcalloc.
18401 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
18402 (ggc_collect): Add [rvts] tags to the collection stats.
18404 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
18406 * cccp.c (main): Fix handling of -include and -imacros options.
18408 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
18410 * cpplib.c (cpp_push_buffer): Fix order of arguments.
18412 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
18414 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
18417 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
18419 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
18420 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
18421 and SET_DEST. Update comment.
18423 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18425 * config/c4x/c4x.c: Include ggc.h.
18426 (c4x_add_gc_roots): New function.
18427 (c4x_override_options): Call c4x_add_gc_roots.
18429 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
18431 * defaults.h (TARGET_ESC): Move ...
18432 * system.h: ... here, where Linas had it in the first place. Silly me.
18434 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
18436 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
18437 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
18438 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
18439 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
18440 * defaults.h (TARGET_ESC): Add default.
18442 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
18444 * configure.in: add i370-*-openedition, i370-*-mvs and
18445 i370-*-linux targets
18447 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
18449 * dsp16xxx.c: Include ggc.h
18450 (override_options): Mark GC roots.
18451 * mn10200.c: Include ggc.h.
18452 (asm_file_start): Mark GC roots.
18453 * tahoe.c: Include ggc.h.
18454 (extensible_operand): Mark GC roots.
18456 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
18458 * README: Add section discussing status of ELF ABI.
18459 * i370.c: Fix misc spelling mistakes.
18460 (i370_label_scan): Updated notes, exception handling.
18461 (i370_function_prolog): Simplify ELF stack handling.
18462 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
18463 (STACK_GROWS_DOWNWARD): ELF stack grows down.
18464 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
18465 * i370.md: (movdi): Add notes.
18466 (floatsidf2): Use stack not rtca for scratch float area.
18467 (iorsi3): Correct operand constraints.
18468 * x-oe: Restore TAROUTOPTS which are used by pax.
18470 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
18472 * rs6000.c: Include ggc.h.
18473 (rs6000_add_gc_roots): New function.
18474 (override_options): Call it.
18476 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
18478 * alpha.h (alpha_compare): New.
18479 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
18480 * alpha.c: Likewise for the definitions.
18481 (alpha_emit_conditional_branch): Update for alpha_compare.
18482 (alpha_emit_conditional_move): Likewise.
18483 * alpha.md (cmpdf, cmpdi): Likewise.
18484 (setcc patterns): Likewise. Zero alpha_compare after use.
18485 (sne): Optimize (x != 0) into (0U < x).
18487 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
18489 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
18490 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
18491 (INIT_EXPANDERS): Remove.
18492 * alpha.c: Include ggc.h.
18493 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
18494 (alpha_init_machine_status, alpha_mark_machine_status): New.
18495 (override_options): Install them.
18496 (struct machine_function): Moved to alpha.h.
18497 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
18498 (alpha_init_expanders): Remove.
18499 (alpha_return_addr): Adjust to use current_function->machine.
18500 (alpha_ra_ever_killed): Likewise.
18501 (alpha_expand_epilogue): Likewise.
18502 * alpha.md (eh_epilogue): Likewise.
18504 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
18505 Melissa O'Neill <oneill@cs.sfu.ca>
18506 Geoffrey Keating <geoffk@cygnus.com>
18508 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
18509 call-used registers (call-saved registers must still be contiguous
18510 and end with r31, of course).
18512 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
18514 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
18515 (self_promoting_type_p): Delete.
18516 (self_promoting_args_p): Move ...
18517 * c-common.c: ... here.
18518 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
18519 (simple_type_promotes_to): New.
18520 * builtins.c (lang_type_promotes_to): New.
18521 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
18522 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
18523 * c-common.h: ... here.
18524 (self_promoting_args_p, simple_type_promotes_to): Declare.
18525 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
18526 (grokdeclarator): Likewise.
18527 * tree.h (lang_type_promotes_to): Declare.
18529 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
18531 Add some machine-dependent GC roots.
18532 * sparc.c: Include ggc.h.
18533 (sparc_add_gc_roots): New function.
18534 (mark_ultrasparc_pipeline_state): Likewise.
18535 (override_options): Call sparc_add_gc_roots.
18536 * pa.c: Include ggc.h.
18537 (pa_add_gc_roots): New function.
18538 (mark_deferred_plabels): Likewise.
18539 (override_options): Call pa_add_gc_roots.
18540 * mips.c: Include ggc.h.
18541 (mips_add_gc_roots): New function.
18542 (override_options): Use it.
18544 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18546 * cpperror.c (cpp_file_line_for_message): Constify a char*.
18548 * cppexp.c (parse_number, parse_charconst, cpp_lex,
18549 cpp_parse_expr): Add static prototypes.
18550 (parse_charconst): Don't cast away const-ness.
18551 (token): Constify a char*.
18553 * cppfiles.c (file_name_list, include_hash, find_include_file,
18554 finclude, initialize_input_buffer): Constify a char*.
18555 (file_cleanup, find_position): Add static prototypes.
18557 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
18558 collect_expansion): Add static prototypes.
18559 (cpp_install, create_definition, monthnames): Constify a char*.
18561 * cpphash.h (cpp_install): Likewise.
18563 * cppinit.c (known_suffixes, default_include,
18564 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
18565 (base_name, dump_special_to_buffer, initialize_dependency_output):
18566 Add static prototypes.
18568 * cpplib.c (my_strerror): Constify a char*.
18569 (null_underflow, null_cleanup, skip_comment, copy_comment,
18570 copy_rest_of_line, handle_directive, pass_thru_directive,
18571 get_directive_token, read_line_number, cpp_print_file_and_line,
18572 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
18573 v_cpp_warning_with_line, detect_if_not_defined,
18574 consider_directive_while_skipping): Add static prototypes.
18575 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
18576 cpp_pedwarn_with_file_and_line): Constify a char*.
18578 * cpplib.h (cpp_options, include_hash, progname, definition,
18579 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
18580 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
18581 find_include_file, deps_output, include_hash): Constify a char*.
18583 * cppmain.c (progname): Constify.
18584 (main): Add prototype. Use return, not exit.
18586 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
18587 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
18588 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
18589 check_protection): Add static prototype.
18591 (progname, recognized_macrom, recognized_extern): Constify a char*.
18592 (main): Add prototype.
18594 * gen-protos.c (progname): Constify a char*.
18596 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
18598 * emit-rtl.c (free_emit_status): Take decl as a parameter.
18599 (init_emit_once): Add more GC roots.
18600 * except.c (mark_func_eh_entry): New function.
18601 (mark_eh_node): Mark false_label and rethrow_label.
18602 (init_eh): Add more GC roots.
18603 * function.c (free_after_compilation): Take decl as a paramter.
18604 Call free_stmt_status.
18605 (mark_function_state): Don't assume x_parm_reg_stack_loc is
18607 * function.h (free_after_compilation): Change prototype.
18608 (free_varasm_status): Likewise.
18609 (free_emit_status): Likewise.
18610 (free_stmt_status): New function.
18611 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
18612 Remove, replacing with ...
18613 (ggc_status): New structure.
18614 (ggc_chain): New variable.
18615 (init_gcc): Define.
18616 (ggc_push_context): New function.
18617 (ggc_pop_context): Likewise.
18618 (ggc_alloc_rtx): Adjust for use of ggc_chain.
18619 (ggc_alloc_rtvec): Likewise.
18620 (ggc_alloc_tree): Likewise.
18621 (ggc_alloc_string): Likewise.
18622 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
18623 (ggc_mark_tree): Give language-dependent code a chance to mark
18625 (ggc_mark_tree_varray): Handle empty arrays.
18626 (ggc_collect): Adjust for use of ggc_chain. Clear
18627 bytes_alloced_since_last_gc.
18628 * ggc.h (ggc_pop_context): New function.
18629 (ggc_push_context): Likewise.
18630 * print-tree.c (print_node): Don't print obstacks when GC'ing.
18631 * stmt.c (free_stmt_status): New function.
18632 (init_stmt_for_function): Clear last_expr_value.
18633 * toplev.c (rest_of_compilation): Always call free_after_compilation.
18634 Conditionalize call to ggc_collect.
18635 (main): Call init_ggc.
18636 * tree.c (push_obstacks): Do the push, even when GC'ing.
18637 (push_obstacks_nochange): Likewise.
18638 (pop_obstacks): Liekwise.
18639 * varasm.c (free_varasm_status): Take decl as a parameter.
18641 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
18643 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
18644 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
18645 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
18646 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
18648 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
18650 * pa/x-pa-mpeix: New file for the MPE port.
18652 * pa/quadlib.asm: New file for long double support.
18654 * configure.in: Add hppa1.0-*-mpeix for MPE port.
18655 * configure: Rebuilt.
18657 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
18659 * final.c (shorten_branches): Fix last change.
18661 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
18663 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
18665 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
18667 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
18670 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18672 * c-aux-info.c (concat): Don't define.
18674 * cccp.c (my_strerror): Likewise. All callers changed to use
18676 (do_include): Call xstrdup, not xmalloc/strcpy.
18677 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
18678 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
18680 * collect2.c (my_strsignal): Likewise. All callers changed to use
18682 (locatelib): Call xstrdup, not xmalloc/strcpy.
18684 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
18686 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
18688 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
18690 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
18692 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
18694 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
18696 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
18698 (find_all_handler_type_matches): Likewise. Don't check return
18700 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
18701 xmalloc, not malloc.
18702 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
18704 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
18705 (init_spec): Call xcalloc, not xmalloc/bzero.
18706 (set_spec): Call xstrdup, not save_string.
18707 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
18708 (find_a_file): Call xstrdup, not xmalloc/strcpy.
18709 (process_command): Call xstrdup, not save_string.
18710 (main): Call xcalloc, not xmalloc/bzero.
18712 * gcov.c (xmalloc): Don't define.
18713 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
18714 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
18715 (output_data): Call xcalloc, not xmalloc/bzero.
18717 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
18719 * mips-tdump.c (xmalloc): Don't define.
18720 (print_symbol): Call xmalloc, not malloc.
18721 (read_tfile): Call xcalloc, not calloc.
18723 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
18724 Don't define. All callers of xfree/my_strsignal changed to use
18725 free/strsignal instead.
18726 (allocate_cluster): Call xcalloc, not calloc.
18728 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
18729 Fix memory leak, free allocated memory.
18731 * prefix.c (translate_name): Call xstrdup, not save_string.
18732 (update_path): Likewise.
18734 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
18736 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
18737 Don't define. Callers of xfree/savestring2 changed to use
18738 free/concat instead.
18740 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
18741 (init_elim_table): Likewise.
18743 * resource.c (init_resource_info): Likewise.
18745 * stupid.c (stupid_life_analysis): Likewise.
18747 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
18748 (open_dump_file): Call concat, not xmalloc/strcpy/...
18749 (clean_dump_file): Likewise.
18750 (compile_file): Call xstrdup, not xmalloc/strcpy.
18752 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
18754 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
18755 * v850.c (v850_va_arg): New.
18757 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18759 * haifa-sched.c: Tidy comments.
18761 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18763 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
18764 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
18765 $(out_object_file)): Depend on ggc.h.
18766 * c-common.c: Include "ggc.h".
18767 (combine_strings): If doing GC, use ggc_alloc_string.
18768 * c-decl.c: Include "ggc.h".
18769 (ggc_p): Define with value 0.
18770 (mark_binding_level): New function.
18771 (init_decl_processing): Add GC roots.
18772 (mark_c_function_context): New function.
18773 (lang_mark_false_label_stack): New function.
18774 (lang_mark_tree): New function.
18775 (lang_cleanup_tree): New function.
18776 * c-lang.c: Include "ggc.h".
18777 (lang_init): Call c_parse_init.
18778 * c-lex.c: Include "ggc.h".
18779 (check_linenum): If doing GC, don't copy filenames to permanent
18781 * c-parse.in: Include "ggc.h".
18782 (c_parse_init): New function.
18783 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
18784 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
18786 * except.c (mark_eh_state): Mark more state.
18787 * function.c (mark_function_state): Likewise.
18788 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
18789 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
18790 * toplev.c (mark_file_stack): New function.
18791 (compile_file): If doing GC, use ggc_alloc_string on input filename.
18792 (main): Add root for input_file_stack.
18794 * i386.c: Include "ggc.h".
18795 (ix86_mark_machine_status): New function.
18796 (override_options): Set mark_machine_status.
18798 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18800 * tree.c (copy_node): Copy node contents also if doing GC.
18802 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
18804 * collect2.c (scan_libraries): Fix double-thinko :-).
18806 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
18808 * collect2.c (scan_libraries): Fix thinko.
18810 * cse.c (delete_trivially_dead_insns): Do not skip the last
18811 insn if it is a real insn.
18813 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
18815 * Makefile.in (ggc-simple.o): Depend on hash.h.
18816 * ggc.h (ggc_add_tree_hash_table_root): Declare.
18817 (ggc_mark_tree_varray): Likewise.
18818 (ggc_mark_tree_hash_table): Likewise.
18819 * ggc-simple.c: Include hash.h.
18820 (ggc_mark_tree_hash_table_ptr): New function.
18821 (ggc_mark_tree_hash_table_entry): Likewise.
18822 (ggc_mark_tree_hash_table): Likewise.
18823 (ggc_add_tree_hash_table_root): Likewise.
18824 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
18825 rtx, when defining fields.
18827 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
18829 * profile.c (output_func_start_profiler): Remove apparently
18830 nonsensical call to start_sequence.
18832 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
18834 * clipper/clipper.c (clipper_va_start): Fix typos.
18836 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
18837 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
18838 (spur_va_arg): New stub.
18840 * configure.in: Comment out pyramid.
18842 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
18844 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
18845 don't conflict with the bits that win32, cygwin, and dgux
18848 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
18849 Bernd Schmidt <bernds@cygnus.co.uk>
18851 * integrate.c (function_cannot_inline_p): Do not inline
18852 functions with forced labels.
18854 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
18855 Bernd Schmidt <bernds@cygnus.co.uk>
18856 Mark Mitchell <mark@codesourcery.com>
18858 * Makefile.in (ggc-simple.o): Depend on varray.h.
18859 (rtl.o): Depend on ggc.h.
18860 (genattrtab.o): Depend on ggc.h.
18861 (print-tree.o): Likewise.
18862 (fold-const.o): Likewise.
18863 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
18864 (make_insn_raw): Don't cache insns when GC'ing.
18865 (emit_insn_before): Likewise.
18866 (emit_insn_after): Likewise.
18867 (emit_insn): Likewise.
18868 (start_sequence): Use xmalloc to allocate the sequence_stack.
18869 (end_sequence): Add free to free it.
18870 (gen_sequence): Don't cache insns when GC'ing.
18871 (clear_emit_caches): Don't use sequence_element_free_list.
18872 (init_emit): Use xcalloc, not xmalloc+bzero.
18873 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
18874 * function.c (pop_function_context_from): Use free to free the
18875 fixup_var_refs_queue.
18876 (put_reg_into_stack): Allocate it with xmalloc.
18877 * genattrtab.c: Include ggc.h.
18878 (operate_exp): Don't use obstack_free when GC'ing.
18879 (simplify_cond): Likewise.
18880 (simplify_text_exp): Likewise.
18881 (optimize_attrs): Likewise.
18882 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
18884 (gencode): Generate a #include for ggc.h.
18885 * ggc-callbacks.c (ggc_p): Define it to zero.
18886 * ggc-none.c (ggc_p): Likewise.
18887 * ggc-simple.c: Include varray.h.
18888 (ggc_mark_tree_varray): New function.
18889 (ggc_add_tree_varray_root): Likewise.
18890 (ggc_mark_tree_varray_ptr): Likewise.
18891 * ggc.h (ggc_p): Declare.
18892 (varray_head_tag): Likewise.
18893 (ggc_add_tree_varray_root): Declare.
18894 * print-tree.c (print_node): Don't check for TREE_PERMANENT
18895 inconsistencies when GC'ing.
18896 * rtl.c: Include ggc.h.
18897 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
18898 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
18899 (rtx_free): Don't call obstack_free when GC'ing.
18900 * toplev.c (rest_of_compilation): Call ggc_collect after every
18902 * tree.c (push_obstacks): Do nothing, if GC'ing.
18903 (pop_obstacks_nochange): Likewise.
18904 (pop_obstacks): Likewise.
18905 (make_node): Use ggc_alloc_tree when GC'ing.
18906 (copy_node): Likewise.
18907 (get_identifier): Use ggc_alloc_string when GC'ing.
18908 (build_string): Likewise.
18909 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
18910 (tree_cons): Likewise.
18911 (build1): Likewise.
18912 (type_hash_canon): Don't call obstack_free when GC'ing.
18914 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
18916 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
18917 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
18919 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
18920 Bernd Schmidt <bernds@cygnus.co.uk>
18921 Mark Mitchell <mark@codesourcery.com>
18923 * Makefile.in (stor-layout.o): Depend on ggc.h.
18924 (expr.o): Depend on ggc.h.
18925 (profile.o): Depend on ggc.h.
18926 (stor-layout.o): Depend on ggc.h.
18927 * emit-rtl.c (init_emit_once): Add gc roots.
18928 * expr.c: Include ggc.h.
18929 (emit_block_move): Add gc roots.
18930 (clear_storage): Likewise.
18931 * expr.h (init_stor_layout_once): New function.
18932 * profile.c: Include ggc.h.
18933 (init_arc_profiler): profiler_label is a root.
18934 * scan.c (make_sstring_space): Trust xrealloc to function
18935 correctly with first parameter NULL.
18936 * stor-layout.c: Include ggc.h.
18937 (set_sizetype): Add gc root.
18938 (init_stor_layout_once): New function.
18939 * toplev.c (compile_file): Call it.
18941 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
18942 Bernd Schmidt <bernds@cygnus.co.uk>
18943 Mark Mitchell <mark@codesourcery.com>
18945 * Makefile.in (tree.o): Depend on ggc.h.
18946 (varasm.o): Likewise.
18947 (function.o): Likewise.
18948 (stmt.o): Likewise.
18949 (except.o): Likewise.
18950 (optabs.o): Likewise.
18951 (emit-rtl.o): Likewise.
18952 * emit-rtl.c: Include ggc.h.
18953 (sequence_element_free_list): Remove, and all references.
18954 (mark_sequence): New functions.
18955 (mark_emit_state): New function.
18956 * except.c: Include ggc.h.
18957 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
18958 (mark_tree_label_node): New functions.
18959 (mark_eh_state): New function.
18960 * function.c: Include ggc.h.
18961 (mark_temp_slot, mark_function_chain): New functions.
18962 (mark_function_state): New function.
18963 (init_function_once): New function.
18964 * function.h (init_function_once): New function.
18965 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
18966 * ggc.h (label_node): Declare.
18967 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
18968 (lang_mark_false_label_stack): New function.
18969 (mark_temp_slot): Remove declaration.
18970 (mark_function_chain): Likewise.
18971 (mark_eh_state): Adjust prototype.
18972 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
18974 * optabs.c: Include ggc.h.
18975 (mark_optab): New function.
18976 (init_optabs): Add gc roots.
18977 * stmt.c: Include ggc.h.
18978 (mark_cond_nesting, mark_loop_nesting): New functions.
18979 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
18980 (mark_stmt_state): New function.
18981 * toplev.c (compile_file): Call init_function_once.
18982 * tree.c: Include ggc.h.
18983 (type_hash): Move declaration earlier in file.
18984 (TYPE_HASH_SIZE, type_hash_table): Likewise.
18985 (init_obstacks): Add gc roots.
18986 (mark_type_hash): New function.
18987 * varasm.c: Include ggc.h.
18988 (mark_pool_constant): New function.
18989 (mark_varasm_state): New function.
18991 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18993 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
18995 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18997 * c-decl.c (struct language_function): Renamed from struct c_function.
18999 (c_function_chain): Delete.
19000 (push_c_function_context): New arg F. Don't warn about nested
19001 functions here. Fill LANGUAGE elt of F. Delete code to update
19002 c_function_chain. Don't call push_function_context.
19003 (pop_c_function_context): New arg F. Restore from there instead of
19004 from c_function_chain. Don't call pop_function_context. Clear out
19005 LANGUAGE field of F when done.
19006 * c-lang.c: Include "function.h"
19007 (lang_init): Initialize save_lang_status and restore_lang_status.
19008 * c-parse.in (nested_function, nested_function_notype): Warn about
19009 nested functions. Call push_function_context/pop_function_context
19010 instead of the _c_ variants.
19011 * c-tree.h (push_c_function_context, pop_c_function_context): Update
19013 * Makefile.in (c-lang.o): Update dependencies.
19015 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
19016 regno_pointer_flag, regno_pointer_align.
19017 (gen_reg_rtx): Use xrealloc to enlarge them.
19018 (free_emit_status): New function.
19019 * function.c (mark_machine_status, mark_lang_status): New variables.
19020 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
19021 in some bits from assign_stack_local. All callers changed to use new
19023 (assign_stack_local): Just call assign_stack_local_1.
19024 (free_after_compilation): New function.
19025 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
19026 (trampoline_address): Likewise.
19027 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
19028 (prepare_function_start): Explicitly clear some more variables.
19029 * function.h (struct function): New elt can_garbage_collect.
19030 (mark_machine_status, mark_lang_status): Declare variables.
19031 (free_after_compilation, free_emit_status, free_varasm_status,
19032 init_varasm_status): Declare functions.
19033 * toplev.c (rest_of_compilation): Call free_after_compilation when
19034 done with the current function.
19035 * varasm.c (free_varasm_status): New function.
19037 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
19039 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
19040 (EXPAND_BUILTIN_VA_ARG): Define.
19041 * sparc.c (sparc_va_start): New.
19042 (sparc_va_arg): New.
19044 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19046 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
19048 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19050 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
19052 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
19054 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
19055 (OBJS): Add $(GGC).
19056 (ggc-callbacks.o): New target.
19057 * ggc-callbacks.c: New file.
19059 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19061 * expr.h: Collapse individual optab and libfunc vars to arrays.
19062 (optab_index, libfunc_index): New enumerations.
19063 (optab_table, libfunc_table): New arrays.
19064 Add accessor macros for both.
19066 * optabs.c (optab_table, libfunc_table): New.
19067 Delete declarations for individual optab and libfunc vars.
19069 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
19071 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
19073 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
19075 * Makefile.in (GGC, GGC_LIB): New.
19076 (HOST_RTL): Include ggc-none.o.
19077 (ggc-simple.o): New target.
19078 (ggc-none.o): Likewise.
19079 * tree.h (tree_common): Add gc_mark.
19080 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
19081 (struct rtvec_def): Add gc_mark.
19082 * emit-rtl.c (global_rtl): Update static initializers to contain
19083 enough initializers.
19084 * ggc.h, ggc-none.c, ggc-simple.c: New files.
19085 * toplev.c (gc_time): New variable.
19086 (all_time): New variable.
19087 (compile_file): Print gc time.
19088 (print_time): Calculate percentage of the whole.
19090 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19092 Change obstack memory management and varasm constant pool handling so
19093 that nested functions are treated like any other functions.
19094 * function.c (init_machine_status): New variable.
19095 (push_function_context_to): Set contains_functions for the outer
19096 function. Don't call save_varasm_status.
19097 (pop_function_context_from): Don't call restore_varasm_status. Don't
19098 set current_function_contains_functions.
19099 (prepare_function_start): Call init_varasm_status rather than
19100 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
19102 * function.h (struct function) Add field varasm. Delete fields
19103 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
19104 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
19105 (init_machine_status): Declare.
19106 (save_varasm_status, restore_varasm_status): Delete declarations.
19107 (save_tree_status, restore_tree_status): Delete last argument.
19108 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
19109 code. All callers changed.
19110 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
19111 save_constants_in_decl_trees, restore_constants, save_constants,
19112 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
19114 (inlining): New variable.
19115 (reg_map, label_map, insn_map, orig_asm_operands_vector,
19116 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
19118 (save_for_inline_nocopy): Don't save constants.
19119 Don't set inl_emit field in current_function.
19120 (expand_inline_function): Use emit field, not inl_emit, of the inlined
19121 function. Set new variable inlining before
19122 calling copy_rtx_and_substitute.
19123 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
19124 constant pool references if inlining is nonzero.
19125 Delete ADDRESS and (most of the) CONST cases.
19126 (output_inline_function): Save and restore current_function/
19127 current_function_decl. Delete restore_constants code. Don't call
19128 init_const_rtx_hash_table.
19129 * output.h (init_const_rtx_hash_table): Don't declare.
19130 * rtl.h (struct function): Declare.
19131 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
19132 * toplev.c (rest_of_compilation): Don't treat nested functions or
19133 functions containing them specially. Delete all code to deal with
19134 save_for_inline_copying.
19135 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
19136 inline_obstacks): Delete variables.
19137 (save_tree_status): Lose arg CONTEXT. All callers changed.
19138 Simply allocate a new function_maybepermanent_obstack for the new
19139 function, delete all the special cases.
19140 Don't save inline_obstacks.
19141 (restore_tree_status): Lose arg CONTEXT. All callers changed.
19142 Delete special handling for function_maybepermanent_obstack; simply
19144 Don't restore inline_obstacks.
19145 (permanent_allocation): Delete code that frees inline_obstacks.
19146 (print_inline_obstack_statistics): Delete function.
19147 (dump_tree_statistics): Don't call it.
19148 * varasm.c (struct varasm_status): New.
19149 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
19150 last_pool, pool_offset, const_double_chain): Delete global
19151 variables, replace with accessor macros.
19152 (immed_double_const): Don't walk const_double_chain outside a
19153 function, but don't treat nested functions specially anymore.
19154 (immed_real_const_1): Likewise.
19155 (clear_const_double_mem): Don't treat nested functions specially.
19156 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
19157 (save_varasm_status, restore_varasm_status): Delete functions.
19158 (init_varasm_status): New function.
19159 (force_const_mem): Don't treat nested functions specially.
19160 (find_pool_constant): Accept new arg F, search for constants in
19161 that function's pool rather than the current one. All callers
19163 (get_pool_constant_for_function, get_pool_mode_for_function): New
19166 * i386.c (init_386_machine_status): New function, mostly from
19167 clear_386_stack_locals.
19168 (struct machine_functions): Rename element names to avoid name
19170 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
19171 macros, replacing global variables.
19172 (clear_386_stack_locals, save_386_machine_status,
19173 restore_386_machine_status): Delete functions.
19174 (override_options): Initialize init_machine_status.
19175 * i386.h (INIT_EXPANDERS): Delete macro.
19176 (save_386_machine_status, restore_386_machine_status,
19177 clear_386_stack_locals): Delete declarations.
19179 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19181 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
19182 (doloop_begin): Simplify pattern and use emit_jump_insn.
19183 (doloop_end): Simplify pattern, switch operand order,
19184 and use emit_jump_insn.
19186 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
19188 * function.h (struct function): Add new element LANGUAGE.
19189 (save_lang_status): Declare new variable.
19190 (restore_lang_status): Likewise.
19191 * function.c (save_lang_status): Define.
19192 (restore_lang_status): Likewise.
19193 (push_function_context_to): Call language-specific save function.
19194 (pop_function_context_from): Call language-specific restore function.
19196 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19198 * i386.md (movsf_1): Check REG_P before use of REGNO.
19199 (movdf_1): Likewise.
19200 (movxf_1): Likewise.
19201 (extendsfdf2): Likewise.
19202 (extendsfxf2): Likewise.
19203 (extenddfxf2): Likewise.
19205 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19207 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
19208 constants into memory.
19209 (c4x_shiftable_constant): New function.
19210 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
19211 (c4x_shiftable_constant): Declare.
19212 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
19213 ashlqi3_noclobber): Add new patterns and associated splitters.
19215 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
19217 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
19218 * dwarf2out.c (dwarf2out_frame_init): Likewise.
19219 * final.c (shorten_branches): Likewise.
19220 * global.c (global_alloc): Likewise.
19221 * haifa-sched.c (build_control_flow): Likewise.
19222 * stmt.c (check_for_full_enumeration_handling): Likewise.
19223 (estimate_case_costs): Likewise.
19225 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
19227 * rtl.h (RTL_CHECKC2): Fix typo in last change.
19229 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
19231 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
19232 (recompute_reg_usage): Likewise.
19233 * rtlanal.c (find_regno_fusage): Likewise.
19235 * rtl.c (rtl_check_failed_code1): New function.
19236 (rtl_check_failed_code2): New.
19237 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
19238 (RTL_CHECKC1, RTL_CHECKC2): New.
19239 (XC*): New accessor macros.
19240 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
19241 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
19242 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
19243 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
19244 (TRAP_*, RANGE_INFO_*): Likewise.
19246 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19248 * Makefile.in (tlink.o): Don't depend on toplev.h.
19250 * collect2.c (c_file, o_file, export_file, import_file, ldout,
19251 output_file, nm_file_name, ldd_file_name, strip_file_name,
19252 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
19253 add_prefix, prefix_from_env, prefix_from_string, do_wait,
19254 fork_execute, maybe_unlink, add_to_list,
19255 extract_init_priority, write_list, dump_list,
19256 dump_prefix_list, write_list_with_asm, write_c_file,
19257 write_c_file_stat, write_c_file_glob, scan_prog_file,
19258 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
19259 ignore_library, extract_string, notice, dump_file, target_machine,
19260 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
19261 read_file, print_load_command): Constify a char*.
19262 (fdopen, error, fatal, fatal_perror): Don't prototype.
19263 (my_strerror): Remove. All callers use xstrerror instead.
19264 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
19265 (main): Add prototype. Constify lots of char* ptrs. Change calls
19266 to xcalloc/strcpy/strcat/... to one call to concat.
19267 (main, scan_prog_file, scan_libraries): Use an intermediate
19268 `const char **' to build an argv array.
19269 (mapfile, libselect, libcompare, locatelib): Add prototypes.
19271 * collect2.h (collect_execute, collect_wait, dump_file,
19272 file_exists): Constify a char*.
19273 (ldout, c_file_name, temporary_obstack, permanent_obstack,
19274 temporary_firstobj, vflag, debug): Add extern declarations.
19275 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
19277 * tlink.c: Don't include toplev.h.
19278 (vflag, debug, ldout, c_file_name, temporary_obstack,
19279 permanent_obstack, temporary_firstobj): Don't declare.
19280 (tlink_execute, frob_extension, symbol_hash_lookup,
19281 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
19282 recompile_files, read_repo_files, demangle_new_symbols,
19283 scan_linker_output): Constify a char*.
19284 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
19285 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
19287 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
19289 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
19290 (relative) rather than jsr (absolute) subroutine call insns.
19291 * config/m68k/m68k-coff.h: Ditto.
19293 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
19295 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
19296 now rework these too.
19297 (arm_reorg): If an insn can't reach the end of the current pool,
19298 ensure that we emit that pool before the insn.
19300 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
19302 * tlink.c (scan_linker_output): Skip the initial underscore in
19303 a mangled name if appropriate.
19305 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19307 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
19308 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
19309 error_with_ivar, gen_declarator, create_builtin_decl,
19310 my_build_string, generate_descriptor_table, generate_ivars_list,
19311 generate_dispatch_table, check_protocols, TAG_GETCLASS,
19312 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
19313 dump_base_name, lang_decode_option, build_encode_expr,
19314 start_class, finish_class, encode_pointer, really_start_method,
19315 gen_declaration, dump_interface, handle_class_ref, handle_impent):
19317 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
19318 Add static prototypes.
19319 (build_objc_string_decl, build_selector_reference_decl,
19320 encode_bitfield, build_class_reference_decl): Remove unused
19321 parameter, all callers changed.
19322 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
19323 (objc_printable_name): Likewise. Change second parameter to type int.
19324 (init_objc): Use memcpy, not bcopy, to avoid casts.
19326 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
19328 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
19329 reg notes on a deleted insn.
19330 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
19332 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
19334 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
19336 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19338 * stmt.c (expand_asm_operands): Fix index into inout_mode when
19341 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
19343 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
19344 * tm.texi (MD_ASM_CLOBBERS): Document it.
19346 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
19348 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
19349 * except.c (expand_rethrow): Remove unused variable.
19350 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
19351 * flow.c (replace_insns): Likewise.
19352 (create_edge_list, verify_edge_list): Likewise.
19353 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
19355 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
19356 is special code to run.
19357 (main): Don't define operands to emit_operand.
19358 * genrecog.c (main): Don't emit an empty peephole2_insn function.
19360 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
19362 * alpha/alpha.h (normal_memory_operand): Declare.
19363 (reg_no_subreg_operand): Declare.
19364 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
19366 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
19368 * c-parse.in (compstmt_primary_start): New, broken out of first
19369 part of compstmt handling in primary.
19370 (primary): Use it. Add an error clause.
19371 (compstmt_nostart): Renamed from compstmt; remove all
19372 initial invocations of compstmt_start.
19375 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
19377 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
19380 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
19382 * combine.c (simplify_shift_const): Remove extra semicolon.
19383 * dwarf2out.c (remove_AT): Likewise.
19384 * expmed.c (expand_mult): Likewise.
19385 * gcov.c (create_program_flow_graph): Likewise.
19386 * reorg.c (mostly_true_jump): Likewise.
19388 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
19390 * fold-const.c (fold_range_test): Do not try to fold the range
19391 test if the rhs or lhs has side effects.
19393 * combine.c (simplify_rtx): Recognize another case of a synthesized
19396 * varasm.c (mark_constant_pool): When marking indirect references,
19397 only look at SYMBOL_REFs.
19399 * except.c (expand_fixup_region_end): Do not peek at
19400 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
19402 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
19404 * flags.h: New variables align_loops, align_loops_log,
19405 align_jumps, align_jumps_log, align_labels, align_labels_log,
19406 align_functions, align_functions_log.
19407 * toplev.c: Define them.
19408 (f_options): Handle -falign-* when they have no argument.
19409 (main): Add logic to set variables for -falign-functions,
19410 -falign-jumps, -falign-labels, -falign-loops.
19411 Make it -fsched-verbose=<n> and -finline-limit=<n>.
19412 (display_help): Change help to match options.
19413 * final.c (LABEL_ALIGN): Default to align_labels_log.
19414 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
19415 (LOOP_ALIGN): Default to align_loops_log.
19416 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
19417 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
19418 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
19419 * varasm.c (assemble_start_function): Handle align_functions.
19421 * config/sparc/sparc.h: Don't declare sparc_align_*.
19422 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
19423 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
19425 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
19427 * config/sparc/sparc.c: Delete sparc_align_loops,
19428 sparc_align_jumps, sparc_align_funcs and the corresponding string
19430 (sparc_override_options): Default align_functions on ultrasparc.
19431 Delete -malign-* handling.
19433 * config/mips/mips.c (override_options): On 64-bit targets,
19434 try to align code to 64-bit boundaries.
19435 (print_operand): New substitution, %~,
19436 which aligns labels to align_labels_log.
19437 * config/mips/mips.md (div_trap_normal): Use %~.
19438 (div_trap_mips16): Likewise.
19440 (absdi2): Likewise.
19441 (ffssi2): Likewise.
19442 (ffsdi2): Likewise.
19443 (ashldi3_internal): Likewise.
19444 (ashrdi3_internal): Likewise.
19445 (lshrdi3_internal): Likewise.
19446 (casesi_internal): Likewise.
19448 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
19450 Merge new ia32 backend from the branch!
19452 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
19453 See ChangeLog.P2 on new_ia32_branch for details.
19455 * rtl.h (stack_regs_mentioned_p): Delete prototype.
19456 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
19457 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
19458 * i386/gas.h (ASM_FILE_START): Define.
19459 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
19460 for name change of ix86_valid_decl_attribute_p.
19461 (i386_pe_valid_type_attribute_p): Similarly.
19463 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
19465 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
19466 to step through CC modes.
19468 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19470 * regmove.c (fixup_match_1): Don't move INSN in front of P if
19471 it would end up in the shadow of a live flags regsiter.
19473 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19475 * reload1.c: Fix many indentation problems.
19476 * reload.c: Likewise.
19478 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
19480 * alias.c (non_local_reference_p): Constify fmt.
19482 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
19484 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
19486 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
19488 * cse.c (delete_trivially_dead_insns): Do not delete stores to
19489 the internal_arg_pointer.
19491 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
19493 Merge peephole2 from new_ia32_branch:
19494 * Makefile.in (STAGESTUFF): Add *.peephole2.
19495 (mostlyclean): Likewise.
19496 (recog.o): Depend on resource.h.
19498 * final.c (peephole): Conditionalize decl on HAVE_peephole.
19499 (final_scan_insn): Likewise for the invocation of peephole.
19500 * genconfig.c (main): Look for peephole and peephole2 patterns.
19501 Emit HAVE_peephole* accordingly.
19502 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
19503 * flags.h (flag_peephole2): Declare.
19504 * toplev.c: New pass peephole2. New flag -fpeephole2.
19506 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
19507 * gencodes.c (main): Likewise.
19508 * genextract.c (main): Likewise.
19509 * genoutput.c (main): Likewise.
19510 * genemit.c (max_operand_1): Look for the max scratch operand.
19511 (gen_rtx_scratch): New.
19512 (gen_exp): Use it, and pass on new arg subroutine_type.
19513 (gen_expand): Take max scratch into account.
19514 (gen_split): Emit peephole2 functions.
19515 (output_peephole2_scratch): New.
19516 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
19517 * genrecog.c (routine_type): Add PEEPHOLE2.
19519 (make_insn_sequence): Match outer parallel for peep2. Discard
19520 top level scratches and dups.
19521 (add_to_sequence): New args insn_type and top. Update all callers.
19522 Handle toplevel peep2 matching insns.
19523 (write_subroutine): Handle peep2.
19524 (write_tree_1): Likewise.
19525 (write_tree): Likewise.
19527 (change_state): New arg afterward. Update all callers.
19528 Handle matching separate insns.
19529 * recog.c (recog_next_insn): New.
19530 (peephole2_optimize): New.
19531 * rtl.def (DEFINE_PEEPHOLE2): New.
19532 * resource.c (find_free_register): New argument last_insn. Use it
19533 to find a register available through the entire span.
19534 * resource.h (find_free_register): Update prototype.
19536 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
19538 * i386.c (output_strlen_unroll): Don't write xops[7]
19539 label if it wasn't set.
19541 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
19543 * cpplib.c (struct directive): Const-ify name pointer and
19544 function pointer prototype.
19545 (validate_else, do_define, do_line, do_include, do_undef,
19546 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
19547 do_elif, do_endif, do_sccs, do_assert, do_unassert,
19548 do_warning): Const-ify second arg.
19549 (directive_table): Mark const. Reorder entries by frequency
19550 of usage, record statistics.
19552 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
19554 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
19555 bounds- check RTL accesses if --enable-checking.
19556 (RTVEC_ELT): Bounds check if --enable-checking.
19557 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
19558 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
19559 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
19561 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
19562 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
19564 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
19565 (NOTE_SOURCE_FILE): Use X0STR.
19566 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
19567 MEM_ALIAS_SET): Use X0INT.
19568 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
19569 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
19571 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
19572 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
19573 (rtl_check_failed_bounds, rtl_check_failed_type1,
19574 rtl_check_failed_type2, rtvec_check_failed_bounds): New
19576 (fancy_abort): Fix comment.
19578 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
19579 (cse_insn): Decrement LABEL_NUSES for jump target before
19580 deleting jump insn.
19581 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
19582 * final.c (alter_subreg): Compute regno before changing x to
19583 REG; set REGNO(x) after changing it.
19584 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
19585 notes containing CONST_INTs.
19586 (delete_eh_regions): Use NOTE_EH_HANDLER.
19587 * function.c (put_reg_into_stack): Make reg a MEM before
19589 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
19591 (gen_mem_addressof): Make reg a MEM before initializing it.
19592 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
19594 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
19595 deleting an insn, not after.
19596 (block_alloc): Only look at PATTERN(insn) if we have to, and
19597 only if it's format class 'i'.
19598 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
19599 CONST_INT before using its INTVAL.
19600 * print-rtl.c (print_rtx): Use X0STR.
19601 * regmove.c (fixup_match_1): Don't look at PATTERN of
19602 non-class-'i' insn chain elements.
19603 * reload.c (loc_mentioned_in_p): Take address of
19604 in->fld[1].rtx directly.
19605 * reload1.c (reload): Change reg to a MEM before initializing
19607 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
19609 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
19611 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
19613 * config/mips/mips.c (machine_dependent_reorg): Force a
19614 barrier to output the local constant pool if a barrier hasn't
19615 been found at a natural point in the instruction stream.
19617 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19619 * c-parse.in (language_string): Constify.
19621 * dwarf2out.c (language_string): Remove declaration.
19623 * dwarfout.c (language_string): Likewise.
19625 * toplev.c (language_string, init_parse, finish_parse): Likewise.
19627 * tree.h (language_string, init_parse, finish_parse): Declare.
19629 * i386/sun386.h (language_string): Remove declaration.
19631 * mips.h (language_string): Likewise.
19633 * nextstep.h (language_string): Likewise.
19635 * nextstep21.h (language_string): Likewise.
19637 * rs6000.c (language_string): Likewise.
19639 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19641 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
19642 (getpwd.o): Remove target.
19644 * getpwd.c: Delete file. Its in libiberty now.
19646 * dbxout.c (getpwd): Don't prototype.
19647 * dwarf2out.c (getpwd): Likewise
19648 * dwarfout.c (getpwd): Likewise
19649 * final.c (getpwd): Likewise.
19650 * protoize.c (getpwd): Likewise.
19652 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19654 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
19656 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
19658 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
19659 mark_set_resources.
19661 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
19663 * fixinc/Makefile.in (subdir): New.
19664 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
19667 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
19669 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
19670 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
19673 * invoke.texi: Fix typo.
19675 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
19676 changed. Handle autoincrement addressing modes.
19678 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
19679 just like we would the virtual incoming args register when
19682 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
19684 * rs6000.h (ASM_FILE_START): Specify complete filename, including
19685 path, in .file directive.
19687 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
19689 * gcc.texi (External Bugs): Remove obsolete note about Perl on
19692 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
19694 * stdbool.h: Make the typedef name _Bool, with bool a #defined
19697 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19699 * tree.c (tree_code_name): Constify a char*.
19701 * tree.h (tree_code_name, decl_printable_name): Likewise.
19703 * function.h (struct function): Likewise.
19705 * toplev.c (decl_name, decl_printable_name): Likewise.
19707 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
19709 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
19710 (init_objc): Remove function pointer cast.
19712 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
19714 * pa.md (interspace_jump): New pattern.
19715 (builtin_longjmp): New expander.
19717 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
19719 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
19720 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
19721 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
19723 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
19725 * jump.c (delete_prior_computation): Also check calls
19726 to constant functions. Don't bother checking for a
19727 REG_UNUSED note before adding it.
19728 (delete_computation): Handle multi-word hard registers
19729 when synthesizing missing REG_DEAD notes for a register
19730 which is both set and used by an insn.
19732 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19734 * loop.c (this_loop_info): New variable.
19735 (loop_has_call, loop_has_volatile, loop_has_tablejump,
19736 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
19738 (prescan_loop, strength_reduce): New argument loop_info. All callers
19740 (scan_loop): New variable loop_info, initialise to address of
19742 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
19743 Delete variable loop_has_multiple_exit targets and replace with
19744 field in this_loop_info.
19745 (find_and_verify_loops): Rename this_loop to this_loop_num.
19746 (strength_reduce): Delete loop_iteration_info. Replace variable
19747 loop_info with function argument of same name.
19748 (insert_bct): Rework test for loop being completely unrolled.
19750 * loop.h (struct loop_info): New fields num, loops_enclosed,
19751 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
19752 has_indirect_jump, and cont. Redefine use of unroll_number.
19753 (loop_unroll_number): Delete.
19755 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
19756 field of loop_info.
19757 (loop_iterations): Delete variable vtop and instead use
19758 loop_info->vtop computed in prescan_loop.
19760 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
19762 * fix-header.c (main): Do not pass a null pointer to strcmp.
19764 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
19766 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
19768 * configure: Rebuilt.
19770 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
19772 * jump.c (jump_optimize_1): Do not delete assignments to
19773 internal_arg_pointer.
19774 * cse.c (delete_trivially_dead_insns): Always consider a set of
19775 the internal_arg_pointer live.
19777 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
19779 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
19780 (update_life_info) [REG_WAS_0]: Search the original insns rather
19781 than the new insns for the note. Fix typos finding note_dest.
19782 If no dest found, discard the note rather than abort.
19783 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
19784 (replace_insns): Remove the old insn list after update_life_info
19787 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
19789 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
19790 sched_analyze_insn.
19791 (sched_analyze_1): Let add_dependence care for not adding dups.
19792 (sched_analyze_2): Likewise.
19793 (add_branch_dependences): Likewise.
19795 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
19797 * i386/winnt.c (export_list): New type.
19798 (exports_head): Rename to
19799 (export_head): this.
19800 (i386_pe_record_exported_symbol): Add is_data flag.
19801 (i386_pe_asm_file_end): Emit directive for exported variables.
19802 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
19804 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
19805 (ASM_DECLARE_OBJECT_NAME): Likewise.
19806 (ASM_DECLARE_FUNCTION_NAME): Likewise.
19807 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
19809 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
19811 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
19813 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
19816 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
19818 * config/openbsd.h: Define SET_ASM_OP.
19819 * tm.texi: cross-reference SET_ASM_OP in the index.
19821 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
19823 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
19824 for a CONST_DOUBLE, at compile time. Initialize rtx_length
19825 and class_narrowest_mode at compile time. Kill init_rtl.
19826 Mark rtx_length, mode_class, mode_size, mode_unit_size,
19827 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
19828 rtx_format as const. Kill all references to EXTRA_CC_MODES or
19830 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
19832 * rtl.h: Declare rtx_length and rtx_format as const.
19833 * machmode.def: Define CC(). Use CC() to define CCmode. If
19834 EXTRA_CC_MODES is defined, expand it here.
19835 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
19836 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
19837 const. Kill all references to EXTRA_CC_MODES.
19839 * toplev.c: Don't prototype or call init_rtl.
19840 * optabs.c: Don't call init_mov_optab.
19841 * genemit.c: Don't generate init_mov_optab. Don't call
19843 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
19845 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
19846 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
19847 genrecog.c: Don't call init_rtl.
19849 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
19850 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
19851 definition of EXTRA_CC_MODES.
19853 * md.texi: Kill ref to EXTRA_CC_NAMES.
19854 * tm.texi: Document new way to define EXTRA_CC_MODES.
19856 * genrecog.c: Do not look up the name of a define_split.
19857 (Unrelated bugfix.)
19859 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
19861 * config/v850/v850.md: Fix typo introduced by previous delta.
19863 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19865 * gcc.c (fatal): Make definition static to match prototype.
19867 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19869 * combine.c (get_last_value): Don't look for earlier sets if the last
19870 known set is somewhere in between the insns being combined.
19872 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
19874 * configure.in: Don't use shell ! to negate exit codes
19875 * configure: Regenerate
19877 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
19879 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
19880 the fact that ALIGN is measured in bits, not bytes.
19882 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
19884 * errors.c: New file; defines functions error, warning, and
19885 fatal, variables have_error and progname.
19886 * errors.h: New file; prototypes and decls for stuff in errors.c.
19888 * Makefile: Add rules to build errors.o and
19889 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
19890 genopinit, genrecog, genextract, genpeep, genattr, and
19891 genoutput with errors.o. Add errors.h to deps of genconfig.o,
19892 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
19893 genpeep.o, genattr.o, and genoutput.o.
19895 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
19896 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
19897 define or prototype fatal. Set progname at beginning of main.
19898 * genoutput.c: Likewise, and don't define or prototype error
19901 * c-typeck.c (c_expand_start_case): Return immediately if exp
19903 * fold-const.c (operand_equal_p): Return immediately if arg1
19904 or arg0 are ERROR_MARKs.
19905 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
19906 fields of type ERROR_MARK when calculating if the record can
19909 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
19910 with much help from Jeffrey A Law and Richard Henderson
19912 * i386.md: In the 6 insns which call output_fix_trunc,
19913 earlyclobber operands[0].
19915 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
19917 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
19918 creating new registers.
19920 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
19922 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
19923 i386_reg_alloc_order, i386_regparm_string,
19924 i386_align_loops_string, i386_align_jumps_string,
19925 i386_align_funcs_string, i386_preferred_stack_boundary_string,
19926 and i386_branch_cost_string as type "const char *".
19927 * i386.c: Define all above strings as type "const char *".
19929 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
19931 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
19932 when emitting alignment padding. Emit padding byte of 0 instead of 4.
19934 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19936 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
19937 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
19939 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
19941 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
19942 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
19943 (dwarf2out_line, dwarf2out_finish): Likewise.
19944 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
19946 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
19948 * tree.c (lang_unsave_expr_now) : Correct return type.
19949 * tree.h (lang_unsave_expr_now) : Same.
19951 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
19953 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
19954 instead of duplicating code.
19956 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19958 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
19960 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
19962 * tree.h: fancy_abort always takes three args.
19963 * resource.c: Move include of system.h before toplev.h.
19965 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
19967 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
19970 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
19972 * system.h: Don't redefine abort or trim_filename.
19973 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
19974 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
19975 whether or not __FUNCTION__ is available.
19976 * tree.h: Duplicate rtl.h's definition of abort, for files
19977 that don't include rtl.h. Delete all code to perform type
19978 checking with a compiler other than GCC.
19979 * varray.h: Delete all code to perform type checking with a
19980 compiler other than GCC. Make VARRAY_CHECK() always evaluate
19981 its arguments exactly once, using a statement expression.
19982 Adjust the VARRAY_<type> accessor macros to match.
19983 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
19984 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
19985 caller's location. Define fatal_insn and fatal_insn_not_found
19986 as macros that use _fatal_insn and _fatal_insn_not_found.
19987 (fancy_abort, trim_filename): Kill prototypes.
19989 * rtl.c (trim_filename): Move here from toplev.c.
19990 (fancy_abort): New function.
19991 (DIR_SEPARATOR): Provide default definition.
19992 * tree.c (tree_check_failed, tree_class_check_failed): Go
19993 through fancy_abort.
19994 (tree_check, tree_class_check, cst_or_constructor_check,
19995 expr_check): Delete.
19996 * varray.c (varray_check_failed): New function.
19997 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
19998 _fatal_insn and _fatal_insn_not_found. Go through
20000 (trim_filename, fancy_abort): Delete.
20002 * builtins.c (expand_builtin_args_info): Report ICE with abort.
20003 * except.c (start_catch_handler): Report ICE with error/abort
20005 * final.c (output_operand_lossage): Likewise.
20006 * flow.c (verify_flow_info): Likewise.
20008 * gcc.c: Prototype fatal.
20009 * gengenrtl.c: Undef abort after including rtl.h not system.h.
20010 * genattr.c, genattrtab.c, genemit.c, genextract.c,
20011 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
20012 Don't define fancy_abort.
20014 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
20016 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
20019 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
20021 * m88k.h (VERSION_INFO2): Kill.
20022 (VERSION_STRING): Kill.
20024 (VERSION_INFO1): Tidy.
20025 (TARGET_VERSION): Update.
20026 * m88k/dgux.h (VERSION_INFO2): Kill.
20027 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
20028 * m88k/luna.h (VERSION_INFO1): Tidy.
20029 * m88k/sysv4.h (VERSION_INFO1): Likewise.
20030 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
20031 (output_file_start): Adjust for death of VERSION_STRING.
20033 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
20035 * cpplib.c (detect_if_not_defined): New function.
20036 (do_if): Use it to detect potential once-only headers.
20038 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
20040 * c-common.c (combine_strings): Always set TREE_CONSTANT.
20042 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
20044 * combine.c (nonzero_bits) : Allow single-ly set registers to be
20045 anywere in the function only if they are pseudos and set before
20046 being used (not live at the start of the function).
20047 (num_sign_bit_copies) : Same.
20048 (get_last_value_validate) : Same.
20049 (get_last_value) : Same.
20051 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
20053 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
20054 where N and M are constant and N is an integer multiple of M.
20056 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20058 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
20059 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
20060 sbitmap_union_of_preds): Add prototypes.
20061 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
20062 the intersection of successors with the new flow graph structures.
20063 (sbitmap_intersection_of_preds): New function to compute the
20064 intersection of predecessors with the new flow graph structures.
20065 (sbitmap_union_of_succs): New function to compute the union of
20066 successors with the new flow graph structures.
20067 (sbitmap_union_of_preds): New function to compute the union of
20068 predecessors with the new flow graph structures.
20069 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
20070 (expr_reaches_here_p): Use edge and basic_block structures instead
20071 of s_preds and s_succs.
20072 (compute_cprop_avinout): Use new sbitmap routines.
20073 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
20074 of s_preds and s_succs.
20075 * flow.c (compute_flow_dominators): Compute dominators using
20076 edges and basic blocks instead of s_preds and s_succs.
20078 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20080 * lists.c (unused_insn_list, unused_expr_list): New file for
20081 maintaining various types of lists. New statics for maintaining a
20082 cache of available INSN_LIST and EXPR_LIST nodes.
20083 (free_list): Static function for freeing a list of INSN/EXPR nodes.
20084 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
20085 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
20086 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
20087 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
20088 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
20089 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
20090 (free_INSN_LIST_node): Free an individual INSN_LIST node.
20091 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
20092 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
20093 (remove_dependence, free_pending_lists): Use new global routines.
20094 (flush_pending_lists, sched_analyze_insn): Use new global routines.
20095 (sched_analyze, compute_block_backward_dependences): Use new routines.
20096 (sched_analyze_1, sched_analyze_2): Use new routines.
20097 (schedule_insns): Use new global routines.
20098 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
20100 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
20101 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
20103 * toplev.c (rest_of_compilation): Initialize node cache.
20104 * Makefile.in (OBJS): Add lists.o to list of object files.
20105 (lists.o): Add dependancies.
20107 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
20109 * config/v850/v850.md: Fix compile time warning messages.
20110 * config/v850/v850.c: Fix compile time warning messages.
20111 * config/v850/v850.h: Fix compile time warning messages.
20113 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20115 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
20116 Remove unused prototype for `init_lengths'.
20118 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20120 * calls.c (emit_call_1): Mark parameter `stack_size' with
20122 (expand_call): Initialize variable `insn'.
20123 (emit_library_call): Likewise for variable `high_to_save'.
20124 (emit_library_call_value): Likewise.
20125 (store_one_arg): Likewise for variables `lower_bound' and
20128 * combine.c (try_combine): Likewise for variables `i2_code_number'
20129 and `other_code_number'.
20130 (find_split_point): Likewise for variables `pos', `unsignedp' and
20132 (simplify_if_then_else): Likewise for variables `op' and `c1'.
20133 (simplify_and_const_int): Remove unused variable `width'.
20134 (merge_outer_ops): Likewise.
20136 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
20137 HOST_WIDE_INT' when comparing against one.
20138 (simplify_relational_operation): Likewise.
20139 (cse_insn): Initialize variables `src_eqv_volatile',
20140 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
20142 * final.c (init_final): Constify parameter `filename'.
20143 (final_start_function): Mark parameter `optimize' with
20145 (profile_function): Likewise for parameters `first' and `optimize'.
20146 (output_source_line): Likewise for parameter `file'.
20148 * integrate.c (subst_constants): Cast a value to `size_t' when
20149 comparing against one.
20150 (mark_stores): Initialize variable `mode'. Cast a value to
20151 `size_t' when comparing against one.
20153 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
20155 * loop.c (move_movables): Initialize variable `first'.
20156 (strength_reduce): Likewise for variable `increment'.
20157 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
20158 value to `size_t' when comparing against one.
20159 (load_mems): Initialize variable `end_label'.
20161 * output.h (init_final): Constify parameter.
20163 * reload.c (decompose): Initialize variable `base'.
20165 * reload1.c (reload): Likewise for variable `is_scalar'.
20166 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
20167 (choose_reload_regs): Initialize variable `mode'.
20168 (emit_reload_insns): Likewise for variable `store_insn'.
20169 (reload_cse_noop_set_p): Mark parameter `insn' with
20171 (reload_combine): Initialize variable `set'.
20173 * unroll.c (unroll_loop): Likewise for variable `local_label'.
20174 (copy_loop_body): Cast a value to `size_t' when comparing against
20177 * varasm.c (assemble_variable): Initialize variable `size_tree'.
20178 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
20179 (remove_from_pending_weak_list): Mark parameter `name' with
20182 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20184 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
20187 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
20189 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
20190 (ASM_DECLARE_FUNCTION_NAME): Define.
20191 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
20192 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
20193 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
20194 not already defined.
20196 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
20198 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
20199 of n_popped when call/call_value are not defined.
20201 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
20203 * tm.texi: GNU CC -> GCC conversion.
20204 (CC1_SPEC): Indicate it is used for all language front ends.
20206 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
20208 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
20209 NOTE_INSN_EH_REGION_END correctly.
20211 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
20212 Jeff Law <law@cygnus.com>
20214 * loop.c (strength_reduce): Automatically unroll loops if the
20215 unrolled loop size is smaller than the rolled loop size.
20217 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
20218 and delete comment that code should be rewritten.
20220 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
20222 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
20225 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
20227 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
20229 * fixinc/mkfixinc.sh: Don't fix uwin headers.
20230 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
20231 (LINK_SPEC): Add -u _main when building executables.
20232 (ASM_DECLARE_FUNCTION): Update from Cygwin.
20233 (ASM_FILE_END): Use the default for ix86-pe.
20234 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
20236 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
20238 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
20239 and ASM_CLOSE_PAREN are empty strings.
20241 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
20242 Geoffrey Keating <geoffk@cygnus.com>
20244 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
20245 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
20246 (unprotoize.o): Ditto.
20247 (test-protoize-simple): Don't define STD_PROTO_DIR.
20248 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
20249 changes to make 'test-protoize-simple' pass.
20250 (STD_PROTO_DIR): Remove define.
20251 (STANDARD_EXEC_PREFIX): Supply default define.
20252 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
20253 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
20254 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
20255 (GET_ENV_PATH_LIST): New macro.
20256 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
20257 (do_processing): Initialize default_syscalls_dir using new
20258 macros. Use it to initialize syscalls_absolute_filename.
20260 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
20262 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
20263 B into a register before emit_conditional_move.
20265 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
20267 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
20268 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
20269 multiplicand out of (+ (* a b) (* c d)).
20271 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
20272 Richard Henderson <rth@cygnus.com>
20274 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
20275 (new_insn_dead_notes): Likewise.
20276 (update_n_sets): Likewise.
20277 (update_flow_info): Move to flow.c, renamed to update_life_info;
20278 extend to handle multiple source insns.
20279 * flow.c: Include resource.h
20280 (unlink_insn_chain): New.
20281 (split_hard_reg_notes): New.
20282 (maybe_add_dead_note): New.
20283 (maybe_add_dead_note_use): New.
20284 (find_insn_with_note): New.
20285 (new_insn_dead_notes): New.
20286 (update_n_sets): New.
20287 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
20288 (maybe_remove_dead_notes): New.
20289 (update_life_info): New.
20290 (prepend_reg_notes): New.
20291 (replace_insns): New.
20292 * output.h (update_life_info): Declare.
20293 * recog.c (split_block_insns): Use update_life_info.
20294 * resource.c (find_free_register): Use reg_alloc_order, don't use
20295 fixed regs, make sure the mode is supported, don't use new regs.
20297 * rtl.h (replace_insns): Declare.
20299 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
20301 * expr.c (expand_expr): Cope with COND_EXPRs with one
20302 non-returning branch.
20304 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
20306 * expr.c (store_expr): Always pass down the target, even when not
20309 1999-08-24 Nick Clifton <nickc@cygnus.com>
20311 * configure.in: Define target_cpu_default for v850 targets.
20312 * configure: Regenerate
20314 * config/v850/v850.h (TARGET_CPU_generic): Define.
20315 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
20316 addresses are 4 byte aligned.
20318 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
20321 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20323 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
20324 (main): Add prototypes.
20326 * genattrtab.c (substitute_address, write_const_num_delay_slots,
20327 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
20328 (write_attr_get): Emit prototypes along with function definition.
20329 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
20330 (write_complex_function): Emit static prototype along with
20331 function definition.
20333 * genemit.c (gen_split): Emit prototypes along with function
20336 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
20337 Likewise for predicates and `insn_operand_predicate'.
20338 (process_template): Emit static prototype along with function
20341 * genrecog.c (make_insn_sequence): Constify a char*. Add
20342 prototypes for get_split_*().
20343 (write_subroutine): Emit prototypes along with function
20346 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20348 * gcse.c (find_avail_set): Follow chains of register-register copies.
20349 Use oprs_not_set_p to guarantee that the returned value can be
20351 (cprop_insn): Don't verify the return value of find_avail_set with
20354 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
20355 (cprop_cc0_jump): New function.
20356 (cprop_insn): Break out new function cprop_jump and use it.
20357 Also use cprop_cc0_jump for machines with CC0.
20358 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
20360 * tree.h (current_function_calls_setjmp,
20361 current_function_calls_longjmp): Delete declarations.
20362 * dsp16xx.c: Include "function.h".
20363 * elxsi.c: Likewise.
20364 * gmicro.c: Likewise.
20365 * h8300.c: Likewise.
20366 * i370.c: Likewise.
20367 * m32r.c: Likewise.
20368 * mn10200.c: Likewise.
20369 * mn10300.c: Likewise.
20370 * ns32k.c: Likewise.
20371 * spur.c: Likewise.
20372 * v850.c: Likewise.
20374 * rtl.h (rtx_equal_function_value_matters): Declare.
20375 * toplev.c (rtx_equal_function_value_matters): Don't declare.
20377 * function.c: Likewise.
20378 * emit-rtl.c: Likewise.
20380 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
20382 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
20385 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
20387 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
20390 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
20392 * cpp.texi: Add a node documenting macro varargs (copied
20395 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
20397 * cppspec.c: Put a null pointer at the end of the new argv.
20399 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
20401 * configure.in: Remove code to select/de-select the haifa
20402 scheduler. Every scheduled port gets haifa now.
20403 * configure: Rebuilt.
20404 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
20406 * Makefile.in: Corresponding changes.
20408 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20410 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
20411 All callers changed.
20412 (prepare_float_lib_cmp): Likewise.
20413 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
20414 * expr.h (emit_float_lib_cmp): Delete declaration.
20415 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
20416 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
20417 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
20419 (cmptf): Now conditional on TARGET_HARD_QUAD.
20421 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
20423 * resource.c (mark_target_live_regs): Use
20424 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
20426 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20428 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
20430 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
20432 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
20434 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20436 * rtl.h (rtx_format): Constify a char*.
20438 * rtl.c (rtx_format): Likewise.
20439 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
20440 (init_rtl): Use accessor macro, not `rtx_format'.
20442 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
20445 * caller-save.c (mark_referenced_regs): Likewise.
20447 * combine.c (subst, make_compound_operation, known_cond,
20448 gen_rtx_combine, update_table_tick, get_last_value_validate,
20449 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
20451 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
20452 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
20453 count_reg_usage): Likewise.
20455 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
20458 * final.c (leaf_renumber_regs_insn): Likewise.
20460 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
20461 dump_edge_info, count_reg_references): Likewise.
20463 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
20464 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
20467 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
20468 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
20469 add_label_notes): Likewise.
20471 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
20472 clear_struct_flag, count_sub_rtxs, count_alternatives,
20473 compares_alternatives_p, contained_in_p, walk_attr_value,
20474 write_expr_attr_cache): Likewise.
20476 * genconfig.c (walk_insn_part): Likewise.
20478 * genemit.c (max_operand_1, gen_exp): Likewise.
20480 * genextract.c (walk_rtx): Likewise.
20482 * genflags.c (num_operands): Likewise.
20484 * genoutput.c (scan_operands): Likewise.
20486 * genpeep.c (match_rtx): Likewise.
20488 * genrecog.c (add_to_sequence): Likewise.
20490 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
20493 * integrate.c (save_constants, copy_for_inline,
20494 copy_rtx_and_substitute, subst_constants, restore_constants):
20497 * jump.c (mark_jump_label, invert_exp, redirect_exp,
20498 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
20500 * local-alloc.c (contains_replace_regs, memref_referenced_p):
20503 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
20504 add_label_notes, replace_call_address, count_nonfixed_reads,
20505 invariant_p, find_single_use_in_loop, find_mem_givs,
20506 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
20509 * print-rtl.c (reg_names, print_rtx): Likewise.
20511 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
20513 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
20514 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
20515 print_blocks): Likewise.
20517 * regclass.c (fix_register, record_address_regs,
20518 reg_scan_mark_refs): Likewise.
20520 * regmove.c (stable_but_for_p): Likewise.
20522 * reload.c (loc_mentioned_in_p, operands_match_p,
20523 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
20524 copy_replacements, refers_to_regno_for_reload_p,
20525 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
20526 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
20529 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
20530 delete_address_reloads_1, count_occurrences,
20531 reload_cse_mem_conflict_p, reload_combine_note_use,
20532 add_auto_inc_notes): Likewise.
20534 * resource.c (mark_referenced_resources, mark_set_resources):
20537 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
20538 reg_mentioned_p, regs_set_between_p, modified_between_p,
20539 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
20540 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
20541 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
20542 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
20544 * sched.c (sched_analyze_2, attach_deaths): Likewise.
20546 * stupid.c (stupid_mark_refs): Likewise.
20548 * unroll.c (remap_split_bivs): Likewise.
20550 * varasm.c (mark_constants): Likewise.
20552 * a29k/a29k.c (uses_local_reg_p): Likewise.
20554 * alpha/alpha.c (summarize_insn): Likewise.
20556 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
20557 eliminate_lr2ip): Likewise.
20559 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
20561 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
20562 reg_mentioned_in_mem): Likewise.
20564 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
20565 symbolic_reference_mentioned_p): Likewise.
20567 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
20569 * sh/sh.c (regs_used, mark_use): Likewise.
20571 * vax/vax.c (vax_rtx_cost): Likewise.
20573 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20575 * machmode.h (mode_name): Constify a char*.
20577 * rtl.c (mode_name): Likewise.
20579 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
20581 * optabs.c (init_libfuncs): Constify a char*.
20583 * print-tree.c (mode_name): Remove redundant declaration.
20584 (print_node): Use accessor macro, not `mode_name'.
20586 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
20588 (new_spill_reg): Constify a char*.
20590 * tree.c (mode_name): Remove redundant declaration.
20592 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20594 * rtl.c (rtx_name): Constify a char*.
20596 * rtl.h (rtx_name, fix_sched_param): Likewise.
20598 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
20599 (mypr): Use accessor macro, not `rtx_name'.
20601 * genemit.c (print_code): Constify a char*.
20603 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
20605 * genpeep.c (print_code): Constify a char*.
20607 * genrecog.c (print_code): Likewise.
20609 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
20610 end_bb): Add static prototype.
20611 (draw_edge): Constify a char*.
20612 (end_bb): Remove unused parameter.
20614 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
20615 print_block_visualization): Constify a char*.
20617 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
20619 * c-common.c (c_get_alias_set): Update comment.
20621 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20623 * linux.h (LIB_SPEC): Added.
20625 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20627 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
20629 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
20631 * tree.c (expr_check): Fix typo in last change.
20633 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
20635 * rtl.def (NOTE): Change format to "iuu0n".
20636 (ADDR_DIFF_VEC): Change format to "eEee0".
20637 (ADDRESSOF): Change format to "eit".
20639 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
20640 (RTVEC_ELT): Change to match.
20641 (XVECEXP): Use XVEC and RTVEC_ELT.
20642 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
20643 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
20644 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
20645 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
20646 TRAP_CONDITION, TRAP_CODE): Use XEXP.
20647 (INTVAL): Use XWINT.
20648 (ADDRESSOF_DECL): Use XTREE.
20649 (SET_ADDRESSOF_DECL): Delete.
20650 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
20651 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
20652 ifdefed out since 2.6 at least.
20653 (gen_rtvec_vv): Delete prototype.
20655 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
20657 (copy_most_rtx): Handle 't' format letter.
20658 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
20659 (gen_rtvec_vv): Delete function. All callers changed to use
20660 gen_rtvec_v instead.
20661 * print-rtl.c (print_rtx): Move special casing of NOTEs to
20662 the '0' format letter.
20664 * function.c (gen_mem_addressof): Don't use
20665 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
20667 * integrate.c (copy_rtx_and_substitute): Likewise.
20668 Copy 't' slots with XTREE.
20669 (subst_constants): Treat 't' slots like '[swi]' slots.
20670 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
20671 * jump.c (rtx_equal_for_thread_p): Likewise.
20672 * rtlanal.c (rtx_equal_p): Likewise.
20673 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
20674 only four arguments.
20675 * gengenrtl.c (type_from_format): Provide correct types for
20679 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
20680 If a recent gcc is in use (always in stage2 and beyond), use
20681 statement expressions, so we don't make a function call unless
20682 the check fails. Evaluate arguments exactly once.
20683 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
20684 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
20686 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
20687 they evaluate their arguments exactly once, irrespective of
20688 the compiler in use.
20690 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
20691 is used by the currently-enabled check macros. This is:
20692 (tree_check_failed, tree_class_check_failed): For gcc.
20693 (tree_check, tree_class_check, cst_or_constructor_check,
20694 expr_check): For other compilers.
20696 * gencheck.c: Do not define any *_CHECK1 macros.
20698 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
20699 Mark Mitchell <mark@codesourcery.com>
20701 * c-common.c (c_get_alias_set): Fix support for poitners and
20704 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
20706 * alias.c: Include tree.h.
20707 (nonlocal_reference_p, mark_constant_function): New functions.
20708 * flow.c (life_analysis): Call mark_constant_function.
20709 * rtl.h (mark_constant_function): Declare it.
20711 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
20713 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
20714 unrecognisable switches.
20716 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20718 * loop.c (recombine_givs): Set ix field after sorting.
20719 (recombine_givs): Remove bogus index / giv lockstep looping.
20721 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20723 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
20725 (emit_store_flag_force): Use do_compare_rtx_and_jump.
20726 (do_cmp_and_jump): Formatting fixes.
20727 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
20728 do_compare_rtx_and_jump instead of compare_from_rtx.
20729 (do_compare_rtx_and_jump): New function; mostly copied from
20731 (do_jump_for_compare): Delete.
20732 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
20734 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
20735 of compare/do_jump_for_compare pairs.
20736 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
20737 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
20738 compare_from_rtx/do_jump_for_compare pairs.
20739 (do_jump_by_parts_equality): Likewise.
20740 (do_jump_by_parts_equality_rtx): Likewise.
20741 * expr.h (do_compare_rtx_and_jump): Declare.
20742 * optabs.c (prepare_cmp_insn): New function, contains most of the code
20743 that used to be in emit_cmp_insn.
20744 (cmp_available_p): New function.
20745 (prepare_operand): New function.
20746 (emit_cmp_and_jump_insn_1): New function, contains some code that used
20747 to be in emit_cmp_insn.
20748 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
20749 parameters to be pointers; don't emit final compare but modify some of
20750 the values pointed to by the args so the caller can perform the
20751 correct comparison.
20752 (expand_binop): Call emit_store_flag_force with signed forms of
20754 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
20755 emit_jump_insn pair.
20756 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
20757 emit_cmp_and_jump_insn_1. Call emit_queue.
20758 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
20760 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
20761 jump sets cc0 before deleting it.
20762 * integrate.c (expand_inline_function): Likewise.
20763 * unroll.c (unroll_loop): Similar changes in several places.
20764 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
20765 before deleting it.
20767 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20769 * Makefile.in (insn-recog.o): Update dependencies.
20770 * genrecog.c (main): Make generated file include "function.h".
20772 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
20774 * cse.c (cse_insn): Call never_reached_warning when a jump is
20775 changed to be unconditional.
20776 * flags.h: Declare warn_notreached.
20777 * flow.c (delete_block): Call never_reached_warning when
20778 a block is deleted.
20779 * jump.c (delete_barrier_successors): Call never_reached_warning
20780 when we delete everything after a BARRIER.
20781 (never_reached_warning): New function.
20782 * rtl.h: Declare never_reached_warning.
20783 * toplev.c (warn_notreached): New variable.
20784 (lang_independent_options): Set warn_notreached
20785 when -Wunreachable-code.
20786 (compile_file): We need line numbers for -Wunreachable-code.
20788 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
20790 * haifa-sched.c (insn_unit): Fix typo on out of range test.
20791 * sched.c (insn_unit): Likewise.
20793 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
20795 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
20797 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20799 * flow.c (create_edge_list): Use xmalloc, not malloc.
20801 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
20803 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
20804 C-style comments. Do not lose the character before double slash.
20806 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20808 * basic-block.h (struct edge_list): Stucture to maintain a vector
20810 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
20811 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
20812 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
20813 New function prototypes.
20814 * flow.c (create_edge_list): Function to create an edge list.
20815 (free_edge_list): Discards memory used by an edge list.
20816 (print_edge_list): Debug output showing an edge list.
20817 (verify_edge_list): Internal consistency check for an edge list.
20818 (find_edge_index): Function to find an edge index for a pred and succ.
20820 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
20822 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
20825 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
20827 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
20829 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
20831 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
20833 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
20835 * toplev.c (rest_of_compilation): Allow machine dependent
20836 reorganisation pass to place information into the RTL dump
20837 file if it so wishes.
20839 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
20841 * explow.c (hard_function_value): Use VOIDmode instead of
20843 * stmt.c (expand_return): Likewise.
20844 * stor-layout.c (get_best_mode): Likewise.
20846 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
20847 emit call instead of emit_insn call.
20849 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
20851 * configure.in: Handle --disable/enable-win32-registry.
20852 * install.texi: Document --disable/enable-win32-registry.
20853 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
20854 (WIN32_REGISTRY_KEY): New macro.
20855 * prefix.c: Use to enable/disable win32-specific code.
20856 (lookup_key): Use versioned key.
20857 * configure: Regenerate.
20858 * config.in: Likewise.
20860 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
20862 * cpplib.c (read_line_number): New fn, split out of...
20865 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
20867 tree.c (lang_unsave_expr_now) : New.
20868 (unsave_expr_now): Call lang_unsave_expr_now.
20869 tree.h (lang_unsave_expr_now) : New.
20871 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
20873 * toplev.c (flag_new_exceptions): On by default.
20875 1999-08-13 Michael Meissner <meissner@cygnus.com>
20877 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
20879 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20881 * dwarfout.c (fundamental_type_code): Return FT_boolean for
20882 INTEGER_TYPE with precision==1, it's __java_boolean.
20884 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20886 * global.c (prune_preferences): Move some invariants out of the
20889 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
20891 * configure.in (alpha*-dec-osf*): Add osf5.
20893 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
20895 * configure.in: Rework handling of ARM GNU/Linux slightly.
20896 (arm*-*-linux-gnuoldld): New target.
20897 * configure: Regenerate.
20898 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
20899 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
20900 * config/arm/linux-oldld.h: New file.
20901 * config/arm/linux-elf26.h: Don't include linux-elf.h.
20902 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
20904 * config/arm/linux-elf.h (ASM_SPEC): Define.
20905 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
20906 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
20907 for 26-bit APCS and old linker.
20908 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
20910 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
20911 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
20912 don't define `arm' or `arm_elf'.
20913 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
20914 MULTILIB_DIRNAMES): Define. Fix typo in comment.
20916 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
20918 * rtl.texi: Fix typo.
20920 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
20922 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
20924 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
20926 * extend.texi (C++ Signatures): Remove node.
20927 * invoke.texi: Remove discussion of -fhandle-signatures,
20928 signature, sigof, __signature__, and __sigof__.
20930 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
20932 * Makefile.in (JAVAGC): Removed.
20934 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
20936 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
20938 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
20940 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
20942 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
20944 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
20945 a register that is already known to be a pointer.
20947 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
20949 * fixinc/inclhack.tpl: Only install assert.h conditionally.
20950 * fixinc/inclhack.sh: Regenerated.
20951 * fixinc/fixincl.sh: Regenerated.
20953 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
20955 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
20956 Fix documentation of -ansi flag to describe its C++ behavior.
20957 Remove bogus reference to GCC 2.9.
20959 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
20961 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
20962 note if it is non-NULL.
20964 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20966 * except.h (eh_nesting_info): Add new structure defintion.
20967 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
20968 (reachable_handlers, update_rethrow_references): Add function
20970 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
20971 a rethrow symbol instead of an integer exception region number.
20972 * flow.c (Make_edges): Use new exception nesting routines to determine
20973 which handlers are reachable from a CALL or asynchronous insn.
20974 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
20976 (delete_eh_regions): Update rethrow labels, and don't delete
20977 regions which are the target of a rethrow.
20978 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
20979 avoid overloading the SYMBOL_REF_USED flag.
20980 (rethrow_symbol_map): Use new rethrow_ref field.
20981 (rethrow_used): Use new rethrow_ref field.
20982 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
20983 of an integer. Fix formatting.
20984 (output_exception_table_entry): Use new rethrow_ref field.
20985 (can_throw): Check for EH_REGION_NOTE before deciding
20986 whether a CALL can throw or not.
20987 (scan_region): Call rethrow_used() instead of accessing data structure.
20988 (update_rethrow_references): New function to make sure only regions
20989 which are still targets of a rethrow are flagged as such.
20990 (process_nestinfo): New static function to initialize a handler
20991 list for a specific region.
20992 (init_eh_nesting_info): New function to allocate and initialize
20993 the list of all EH handlers reachable from all regions.
20994 (reachable_handlers): New function to retrieve the list of handlers
20995 reachable from a specific region and insn.
20996 (free_eh_nesting_info): New function to dispose of a list of
20997 reachable handlers.
20999 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21001 * flow.c (split_edge): Set JUMP_LABEL field.
21002 (commit_one_edge_insertion): Set head correctly for insert_before.
21003 When inserting insns, update insn block numbers if allocated.
21005 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21007 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
21008 retry_incomplete_types): Add static prototype.
21009 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
21010 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
21011 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
21012 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
21013 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
21016 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
21017 dwarf2out_start_source_file, dwarf2out_line): Likewise.
21019 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21021 * output.h (assemble_name): Constify a char*.
21023 * varasm.c (UNIQUE_SECTION, assemble_start_function,
21024 assemble_variable, assemble_name): Likewise.
21026 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
21028 * arm/pe.c (arm_pe_unique_section): Likewise.
21030 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
21032 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
21034 * i386/interix.c (i386_pe_unique_section): Likewise.
21036 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
21038 * i386/winnt.c (i386_pe_unique_section): Likewise.
21040 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
21042 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
21044 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
21046 * pa/pa.c (output_call): Likewise.
21048 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
21050 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
21052 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
21055 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
21058 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
21060 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
21061 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
21063 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
21065 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21067 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
21069 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21071 * tree.h (lang_identify): Constify a char*.
21072 (print_error_function): Add extern prototype. Constify a char*.
21074 * c-lang.c (lang_identify): Constify a char*.
21076 * objc/objc-act.c (lang_identify): Constify a char*.
21078 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21080 * genpeep.c (main): Make generated file include "function.h".
21081 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
21083 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21085 * Makefile.in: Update dependencies.
21086 * alias.c: Include "function.h"
21087 * c-decl.c: Likewise.
21088 * caller-save.c: Likewise.
21089 * calls.c: Likewise.
21090 * combine.c: Likewise.
21092 * explow.c: Likewise.
21093 * final.c: Likewise.
21094 * global.c: Likewise.
21095 * graph.c: Likewise.
21096 * local-alloc.c: Likewise.
21097 * loop.c: Likewise.
21098 * optabs.c: Likewise.
21099 * profile.c: Likewise.
21100 * recog.c: Likewise.
21101 * regclass.c: Likewise.
21102 * regmove.c: Likewise.
21103 * reload.c: Likewise.
21104 * reorg.c: Likewise.
21105 * resource.c: Likewise.
21106 * sched.c: Likewise.
21107 * stupid.c: Likewise.
21108 * config/1750a/1750a.c: Likewise.
21109 * config/a29k/a29k.c: Likewise.
21110 * config/arc/arc.c: Likewise.
21111 * config/arm/arm.c: Likewise.
21112 * config/arm/thumb.c: Likewise.
21113 * config/c4x/c4x.c: Likewise.
21114 * config/clipper/clipper.c: Likewise.
21115 * config/convex/convex.c: Likewise.
21116 * config/fx80/fx80.c: Likewise.
21117 * config/i860/i860.c: Likewise.
21118 * config/m68k/m68k.c: Likewise.
21119 * config/m88k/m88k.c: Likewise.
21120 * config/mips/mips.c: Likewise.
21121 * config/pdp11/pdp11.c: Likewise.
21122 * config/pyr/pyr.c: Likewise.
21123 * config/romp/romp.c: Likewise.
21124 * config/sh/sh.c: Likewise.
21125 * config/tahoe/tahoe.c: Likewise.
21126 * config/vax/vax.c: Likewise.
21127 * config/we32k/we32k.c: Likewise.
21128 * config/sparc/sparc.c: Include "function.h".
21129 (mem_min_alignment): Test current_function rather than
21130 regno_pointer_align.
21131 * config/pa/pa.c: Likewise.
21132 (compute_frame_size): Delete declaration of
21133 current_function_outgoing_args_size.
21134 * config/arc/arc.h (current_function_varargs): Delete declaration.
21135 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
21137 * config/i370/i370.h (current_function_outgoing_args_size): Delete
21139 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
21140 current_function_uses_pic_offset_table.
21141 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
21142 of current_function_returns_pointer.
21143 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21144 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21145 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21146 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21147 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21148 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21149 * config/m88k/m88k.c: Include "function.h"
21150 (call_used_regs, current_function_pretend_args_size,
21151 current_function_outgoing_args_size, frame_pointer_needed): Delete
21153 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
21155 * config/mips/mips.h (current_function_calls_alloca): Delete
21157 * config/mn10200/mn10200.h (current_function_needs_context,
21158 rtx_equal_function_value_matters): Delete declarations.
21159 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
21160 flag_pic): Delete declarations.
21161 * config/pa/pa.h (current_function_pretend_args_size,
21162 current_function_decl): Delete declarations.
21163 * config/pa/som.h (current_function_varargs): Delete declaration.
21164 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
21166 * config/pyr/pyr.h (current_function_pretend_args_size,
21167 current_function_args_size, current_function_calls_alloca): Delete
21169 * config/sh/sh.h (current_function_varargs): Delete declaration.
21170 * config/sparc/sparc.h (current_function_outgoing_args_size,
21171 current_function_calls_alloca, current_function_decl): Delete
21173 * config/spur/spur.h (current_function_pretend_args_size,
21174 current_function_calls_alloca): Delete declarations.
21175 * config/v850/v850.c (current_function_outgoing_args_size): Delete
21177 * config/vax/vms.h (current_function_name): Delete declaration.
21178 * gcse.c: Include "function.h".
21179 (current_function_name, current_function_calls_setjmp): Delete
21181 * haifa-sched.c: Include "function.h".
21182 (forced_labels): Delete declaration.
21183 * jump.c: Likewise.
21184 * reg-stack.c: Likewise.
21185 * reload1.c: Likewise.
21186 * genemit.c (main): Make generated file include function.h.
21187 * genoutput.c (output_prologue): Likewise.
21189 * builtins.c (saveregs_value, apply_args_value): Delete variables.
21190 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
21191 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
21192 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
21193 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
21194 macros for some of them.
21195 (emit_filename, emit_lineno): Delete declarations.
21196 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
21197 regno_pointer_* variables through current_function.
21198 (gen_inline_header_rtx): Delete function.
21199 (save_emit_status): Delete function.
21200 (set_new_last_label_num): New function.
21201 (clear_emit_caches): New function.
21202 (restore_emit_status): Just clear last_labelnum and call
21204 (get_last_insn_anywhere): Variable sequence_stack is now accessed
21205 through macro seq_stack.
21206 (add_insn_after): Likewise.
21207 (add_insn_before): Likewise.
21208 (remove_insn): Likewise.
21209 (pop_topmost_sequence): Likewise.
21210 (in_sequence_p): Likewise.
21211 (start_sequence_for_rtl_expr): Likewise.
21212 (start_sequence): Likewise, and likewise for
21213 sequence_rtl_expr/seq_rtl_expr.
21214 (push_topmost_sequence): Likewise.
21215 (end_sequence): Likewise.
21216 (init_virtual_regs): Now takes a "struct emit_status *" argument.
21217 All callers changed. Store into that pointer instead of globals.
21218 (init_emit): Allocate emit elt of current_function.
21219 Changes for sequence_rtl_expr/sequence_stack renaming.
21220 Call clear_emit_caches instead of doing it in-line.
21221 Access regno_pointer_* variables through current_function.
21222 (init_emit_once) Don't clear sequence_stack.
21224 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
21226 (arg_pointer_save_area): Delete declaration.
21227 (finish_expr_for_function): Renamed from init_queue; no longer static.
21228 (init_expr): Don't call init_queue.
21229 (save_expr_status, restore_expr_status): Delete functions.
21230 (expand_expr): Changes to reflect new layout of struct function.
21231 Don't access current_function_check_memory_usage when current_function
21233 * expr.h (forced_labels, save_expr_regs, saveregs_value,
21234 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
21235 current_function_outgoing_args_size, current_function_arg_offset_rtx,
21236 current_function_uses_const_pool, function_call_count,
21237 current_function_uses_pic_offset_table, nonlocal_labels,
21238 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
21239 current_function_check_memory_usage, nonlocal_goto_handler_slots,
21240 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
21242 (finish_expr_for_function): Declare.
21243 * flags.h (current_function_has_nonlocal_label,
21244 current_function_has_nonlocal_goto, current_function_is_thunk,
21245 current_function_has_computed_jump): Delete declarations.
21246 * flow.c (forced_labels): Delete declaration.
21247 * function.c (current_function_pops_args,
21248 current_function_returns_struct, current_function_returns_pcc_struct,
21249 current_function_needs_context, current_function_calls_setjmp,
21250 current_function_calls_longjmp, current_function_has_nonlocal_label,
21251 current_function_has_nonlocal_goto, current_function_is_thunk,
21252 current_function_has_computed_jump, current_function_calls_alloca,
21253 current_function_contains_functions, current_function_returns_pointer,
21254 current_function_epilogue_delay_list, current_function_args_size,
21255 current_function_pretend_args_size, current_function_arg_offset_rtx,
21256 current_function_outgoing_args_size, current_function_varargs,
21257 current_function_stdarg, current_function_args_info, cleanup_label,
21258 current_function_name, current_function_uses_const_pool,
21259 current_function_instrument_entry_exit, current_function_return_rtx,
21260 current_function_uses_pic_offset_table, nonlocal_labels,
21261 current_function_internal_arg_pointer, current_function_cannot_inline,
21262 current_function_check_memory_usage, function_call_count,
21263 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
21264 nonlocal_goto_stack_level, return_label, save_expr_regs,
21265 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
21266 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
21267 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
21268 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
21269 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
21271 (push_function_context_to): Don't save them. Don't call
21272 save_storage_status, save_emit_status or save_expr_status.
21273 (pop_function_context_from): Don't restore them. Don't call
21274 restore_storage_status or restore_expr_status.
21275 (get_func_frame_size): New function.
21276 (get_frame_size): Use it.
21277 (assign_outer_stack_local): Reflect some member name changes in struct
21279 (put_reg_into_stack): Likewise.
21280 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
21282 (fixup_var_refs): Likewise.
21283 (fix_lexical_addr): Likewise.
21284 (trampoline_address): Likewise.
21285 (prepare_function_start): Clear field inlinable of current_function.
21286 (init_function_for_compilation): New function.
21287 (expand_dummy_function_end): New function.
21288 (expand_function_end): Call finish_expr_for_function.
21289 * function.h (struct emit_status): New; fields moved here from struct
21290 function and from global variables. Add accessor macros for some of
21292 (struct expr_status): Likewise.
21293 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
21294 (struct function): Add fields expr and emit, inlinable, inl_emit,
21295 original_arg_vector, original_decl_initial, inl_last_parm_insn,
21296 inl_max_label_num. Add many comments.
21297 Add accessor macros for all elts of struct function that no longer
21298 have a global variable.
21299 (cleanup_label, return_label, frame_offset, tail_recursion_label,
21300 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
21301 stack_slot_list): Delete declarations.
21302 (get_func_frame_size): Declare.
21303 (save_expr_status, restore_expr_status, save_emit_status,
21304 save_storage_status, restore_storage_status): Delete declarations.
21305 (init_virtual_regs): Declare.
21306 * output.h (current_function_pops_args,
21307 current_function_returns_struct, current_function_returns_pcc_struct,
21308 current_function_needs_context, current_function_calls_setjmp,
21309 current_function_calls_longjmp, current_function_calls_alloca,
21310 current_function_has_nonlocal_label, current_function_varargs,
21311 current_function_has_computed_jump, current_function_returns_pointer,
21312 current_function_contains_functions, current_function_args_size,
21313 current_function_pretend_args_size, current_function_stdarg,
21314 current_function_outgoing_args_size, current_function_args_info,
21315 current_function_name, current_function_return_rtx,
21316 current_function_epilogue_delay_list,
21317 current_function_uses_const_pool, current_function_cannot_inline):
21318 Delete declarations.
21319 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
21320 regno_reg_rtx): Delete declaration.
21321 (REGNO_POINTER_FLAG): Delete macro.
21322 * stmt.c (expand_goto): Changes to reflect that some fields in struct
21323 function were renamed.
21324 * stor-layout.c (save_storage_status, restore_storage_status): Delete
21326 * toplev.c: Include "function.h".
21327 (current_function_decl): Delete declaration.
21328 (compile_file): Call init_dummy_function_start and
21329 expand_dummy_function_end around some initializations that need to
21331 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
21332 Call init_function_for_compilation.
21333 * unroll.c: Include "function.h"
21334 (unroll_loop): Access regno_pointer_* variables through
21337 * tree.h (struct tree_decl): Add elt f to saved_insns member.
21338 (DECL_SAVED_INSNS): use it.
21339 (expand_dummy_function_end): Declare.
21340 (init_function_for_compilation): Declare.
21341 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
21342 that it's no longer an INLINE_HEADER.
21343 (expand_call): Likewise.
21344 * integrate.c (finish_inline): Delete function.
21345 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
21346 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
21347 args. Don't generate an INLINE_HEADER rtx, just return the arg
21348 vector. All callers changed.
21349 (save_for_inline_copying): Create a duplicate struct emit_status to
21350 hold the emit state for compiling the current function. Use this and
21351 the other new fields in struct function that are for integration
21352 instead of an INLINE_HEADER.
21353 Use memcpy instead of bcopy.
21354 Store the current struct function in DECL_SAVED_INSNS of fndecl.
21355 (save_for_inline_nocopy): Similar changes, except no new emit_status
21357 (expand_inline_function): Get information from function structure,
21358 not from an inline header rtx.
21359 (output_inline_function): Lose code to extract the necessary
21360 information from an inline header; simply put back the function
21361 structure into current_function. Clear its inlinable elt.
21362 * rtl.def (INLINE_HEADER): Delete.
21363 * rtl.h: Delete all accessors for an INLINE_HEADER.
21364 (gen_inline_header_rtx): Delete declaration.
21365 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
21366 Delete declarations.
21367 (REGNO_POINTER_ALIGN): Delete.
21368 (clear_emit_caches): Declare.
21369 (set_new_last_label_num): Declare.
21371 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
21373 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
21375 * except.c (expand_eh_region_start_for_decl): Always start a new block.
21376 * stmt.c (is_eh_region): Make sure current_function is present, too.
21378 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
21380 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
21381 for 64bit PA targets.
21383 * pa.h (SELECT_SECTION): Define.
21384 * som.h (SELECT_SECTION): Delete.
21386 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21388 * alias.c (init_alias_analysis): Wrap call to
21389 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
21391 1999-08-07 Bruce Korb <autogen@linuxbox.com>
21393 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
21394 <sys/asm.h> contains an asm comment with an apostrophe
21395 * fixinc/inclhack.sh: regen
21396 * fixinc/fixincl.x: regen
21398 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
21400 * function.c (init_function_start): Clear prologue & epilogue.
21401 (prologue_epilogue_contains): New function.
21402 * alias.c (init_alias_analysis): Use it.
21403 * rtl.h (prologue_epilogue_contains): Declare it.
21405 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
21407 * jump.c (onlyjump_p): New function.
21408 * rtl.h: Declare it.
21409 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
21410 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
21412 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
21414 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
21415 to invert loops. Simplify block scanning.
21417 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21419 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
21420 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
21422 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
21424 * config/sparc/liteelf.h: New file to support sparclite-elf target
21425 * config/sparc/t-sp86x: New file to support sparc86x targets
21426 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
21427 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
21428 * configure.in: Support above target triplets
21429 * configure: Regenerated
21431 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
21433 * fixinc/server.c (server_setup): Do not prefix function used as
21434 parameter with `&'.
21436 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
21438 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
21439 Remove fp reg alternatives.
21441 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
21443 * Makefiin (TAROUTOPTS): Kill.
21444 (install-headers-tar): Use "xpf" for tar headerfile extraction
21445 * i370/x-oe (TAROUTOPTS): Delete.
21446 * m68k/x-apollo68 (TAROUTOPTS): Delete.
21447 * m68k/x-hp320 (TAROUTOPTS): Delete.
21448 * m68k/x-hp320g (TAROUTOPTS): Delete.
21449 * gcc.texi: Update bug reporting text.
21451 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
21453 * reg-stack.c (change_stack) Fixed problem with negative array index.
21455 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
21457 * extend.texi, install.texi: Fix spelling mistakes.
21459 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
21460 (s-attrtab); No longer try to use pre-made insn-attrtab file.
21461 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
21462 PREMADE_ATTRTAB_MD.
21463 * mips/t-ecoff: Likewise.
21464 * mips/t-elf: Likewise.
21465 * mips/t-mips: Likewise.
21466 * mips/t-osfrose: Likewise.
21467 * mips/t-r3900: Likewise.
21468 * mips/t-svr3: Likewise.
21469 * mips/t-svr4: Likewise.
21470 * mips/t-ultrix: Likewise.
21472 * gcc.texi: Document recommend means to provide software floating
21473 point libraries in libgcc.a
21475 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
21477 * c-lex.c (yylex): We can have a number with no digits.
21479 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
21481 * jump.c (delete_prior_computation): New function, broken
21482 out of delete_computation. Check for side effects with
21483 side_effects_p instead of FIND_REG_INC_NOTE. Handle
21484 multi-word hard registers.
21485 (delete_computation): Use it. Check for side effects with
21486 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
21487 missing REG_DEAD note for a register which is both set and
21490 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
21492 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
21493 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
21494 (ASM_FILE_START): Import _mcount with the right type.
21495 (ASM_DECLARE_FUNCTION_NAME): Define.
21496 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
21497 * pa.c (output_function_prologue): Always emit the function's label
21499 * pa.h (TEXT_SPACE_P): Define.
21500 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
21501 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
21502 * som.h (TEXT_SPACE_P): Delete.
21503 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
21504 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
21506 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
21508 * expr.c (emit_group_load): Allow src to be a CONCAT.
21510 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21512 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
21513 (___mulsi3): Use '!' comment character.
21515 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21517 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
21519 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
21521 * gcc.c: Update URLs and mail addresses.
21522 * gcc.texi: Likewise.
21524 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
21526 * rs6000.c (current_file_function_operand): Return zero for
21528 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
21530 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
21533 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
21535 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
21536 allocate space in the stack frame for the PIC register.
21538 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
21540 * m68k.md (xordi3, anddi3): These patterns are not available on
21543 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
21545 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
21546 (PUT_REAL): Likewise.
21548 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21550 * final.c (shorten_branches): Don't add an alignment for loops
21551 that have no label inside.
21553 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21555 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
21556 prototypes in macro HAVE_cmpstrsi.
21558 * cpplib.c (cpp_get_token): Remove unused label `op3'.
21560 * emit-rtl.c (operand_subword): Remove unused variable
21563 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
21565 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
21567 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
21569 * cpphash.c (macroexpand): Delete leading whitespace when arg
21570 is concatenated before.
21571 (unsafe_chars): Correct test for whether + and - can extend a
21574 * cppinit.c (cpp_start_read): Do dependencies for
21575 -include/-imacros files also.
21577 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
21578 tokenizing non-directive lines.
21579 (cpp_expand_to_buffer): Temporarily disable no-output mode.
21580 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
21583 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
21585 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
21587 * c-lex.c: Sync with C++ frontend.
21588 (linemode): New variable.
21589 (parse_float): imag, conversion_errno, and type are output only.
21590 (yylex): Adjust. Move initial '.' case into main switch.
21592 (handle_generic_pragma): Just deal with tokens.
21593 (readescape): Use ISXDIGIT and ISGRAPH.
21594 * c-parse.in: Add END_OF_LINE token.
21596 * c-lex.c (lang_init): Generalize.
21597 (nextchar): Remove. Replace uses with UNGETC.
21598 (skip_white_space): Handle linemode here. Optimize for cpplib.
21599 (skip_white_space_on_line): Remove.
21600 (extend_token_buffer_to): New fn.
21601 (extend_token_buffer): Use it.
21602 (read_line_number, check_newline): Just deal with tokens.
21603 (token_getch, token_put_back): New fns.
21604 (yylex): Use them. More cpplib optimizations. Simplify.
21606 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21607 Jason Merrill <jason@yorick.cygnus.com>
21609 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
21610 (consume_string): Make this smart about USE_CPPLIB.
21611 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
21612 (yylex): Rewrite to be intelligent about USE_CPPLIB.
21613 Also, clean up cases where we redundantly set token_buffer[0].
21614 (read_line_number): New fn.
21615 (ignore_escape_flag): New variable.
21617 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
21619 * a29k/t-a29kbare: Fix some comments.
21620 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
21621 (FPBIT, DPBIT): Define.
21622 * a29k/t-vx29k: Likewise.
21623 * arc/t-arc: Likewise.
21624 * arm/t-arm-elf: Likewise.
21625 * arm/t-bare: Likewise.
21626 * arm/t-pe: Likewise.
21627 * arm/t-pe-thumb: Likewise.
21628 * arm/t-semi: Likewise.
21629 * arm/t-thumb: Likewise.
21630 * arm/t-thumb-elf: Likewise.
21631 * arm/t-thumb-linux: Likewise.
21632 * h8300/t-h8300: Likewise.
21633 * i960/t-i960: Likewise.
21634 * i960/t-vxworks960: Likewise.
21635 * m32r/t-m32r: Likewise.
21636 * mips/t-ecoff: Likewise.
21637 * mips/t-elf: Likewise.
21638 * mips/t-r3900: Likewise.
21639 * pa/t-pro: Likewise.
21640 * rs6000/t-aix43: Likewise.
21641 * rs6000/t-beos: Likewise.
21642 * rs6000/t-newas: Likewise.
21643 * rs6000/t-ppccomm: Likewise.
21644 * rs6000/t-rs6000: Likewise.
21645 * rs6000/t-winnt: Likewise.
21646 * rs6000/t-xnewas: Likewise.
21647 * rs6000/t-xrs6000: Likewise.
21648 * sh/t-sh: Likewise.
21649 * sparc/t-elf: Likewise.
21650 * sparc/t-sparcbare: Likewise.
21651 * sparc/t-sparclite: Likewise.
21652 * sparc/t-splet: Likewise.
21653 * v850/t-v850: Likewise.
21654 * mn10200/t-mn10200: Fix comments.
21655 * mn10300/t-mn10300: Likewise.
21657 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
21658 dummy operand. Allocate a new pseudo for the dummy operand.
21659 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
21661 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
21663 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
21665 * configure: Rebuilt.
21666 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
21668 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
21670 * recog.c (preproces_constraints): Zero recog_op_alt before
21671 processing the constraints.
21673 * arm.c (typedef minipool_node): Renamed from pool_node.
21674 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
21675 (add_minipool_constant): New function.
21676 (dump_minipool): New function.
21677 (find_barrier): Remove special case for getting the insn size of
21678 an insn that references the constant pool.
21679 (minipool_fixup): New structure.
21680 (push_minipool_barrier): New function.
21681 (push_minipool_fix): New function.
21682 (note_invalid_constants): New function.
21683 (add_pool_constant, dump_table, fixit, broken_move): Delete.
21684 (arm_reorg): Rewrite code to fix up the constant pool into a
21685 series of mini-pools embedded in the insn stream.
21686 (arm_output_epilogue): New function, made mainly from the body
21687 of output_func_epilogue.
21688 (output_func_epilogue): Move insn generation part of epilogue code
21689 to arm_output_epilogue.
21690 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
21691 * arm.md (pool_range): New attribute.
21692 (zero_extendqidi2): Add attribute pool_range.
21693 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
21694 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
21695 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
21696 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
21697 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
21698 (epilogue): New expand.
21699 (epilogue_insn): New insn. Call arm_output_epilogue.
21701 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
21702 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
21704 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
21706 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
21708 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
21710 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
21712 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
21714 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
21716 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
21718 * global.c: Fix comment.
21720 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
21722 * gcc.c (access_check): New static function.
21723 (find_a_file): Use it when searching a directory list.
21724 * collect2.c (find_a_file): Don't accept directories found when
21725 searching a directory list.
21727 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
21729 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
21730 function parameters with `&'.
21731 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
21733 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
21735 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
21736 or tidy_fallthru_edge if the last insn in the block is not
21737 an unconditional jump or a simple conditional jump.
21739 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21741 * Makefile.in (c-decl.o): Depends on defaults.h.
21743 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
21745 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
21747 (CLASS_MAX_NREGS): Likewise.
21749 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
21751 * cse.c (cse_insn): Fix dumb thinko in last change.
21753 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21755 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
21758 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
21760 * dwarf2out.c (add_location_or_const_value_attribute): Correct
21761 test for sizes of passed and declared parameter types.
21763 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21765 * fixincludes: Fix the return type of bsearch, char* -> void*.
21767 * fixinc/inclhack.def: Likewise.
21769 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
21771 * invoke.texi (-fdump-translation-unit): New option.
21773 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
21775 * expr.h (PROMOTE_PROTOTYPES): Move ...
21776 * defaults.h: ... to here.
21777 * c-decl.c: Include defaults.h instead of expr.h.
21778 * c-typeck.c: Include defaults.h.
21780 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
21782 * toplev.h (errorcount): Declare.
21783 (warningcount): Likewise.
21784 (sorrycount): Likewise.
21785 * c-lex.c (errorcount): Don't declare.
21786 * dwarf2out.c (errorcount): Don't declare.
21788 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
21790 * config/libgloss.h: Add a note discouraging use with ELF.
21791 * configure.in: Don't use libgloss.h for ELF targets.
21792 Always use_collect2 on a.out targets.
21794 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
21796 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
21797 (force_to_mode, case ASHIFTRT): Add shiftrt label.
21799 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21801 * loop.c (strength_reduce): When doing biv->giv conversion, update
21802 reg note of NEXT->insn.
21804 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21806 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
21808 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21810 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
21811 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
21812 Ensure expr.h is included.
21813 * c-typecheck.c (convert_arguments): Ditto.
21815 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
21817 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
21818 * config/convex/convex.h: Ditto.
21819 * config/dsp16xx/dsp16xx.h: Ditto.
21820 * config/fx80/fx80.h: Ditto.
21821 * config/gmicro/gmicro.h: Ditto.
21822 * config/i370/i370.h: Ditto.
21823 * config/i386/i386.h: Ditto.
21824 * config/m32r/m32r.h: Ditto.
21825 * config/m68k/m68k.h: Ditto.
21826 * config/m88k/m88k.h: Ditto.
21827 * config/mips/mips.h: Ditto.
21828 * config/pa/pa.h: Ditto.
21829 * config/pyr/pyr.h: Ditto.
21830 * config/tahoe/tahoe.h: Ditto.
21831 * config/we32k/we32k.h: Ditto.
21833 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
21834 based on arch size.
21836 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
21838 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
21841 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
21843 1999-08-02 Richard Henderson <rth@cygnus.com>
21845 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
21846 for the register spill block.
21847 (m32r_va_arg): New.
21848 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
21849 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
21851 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
21852 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
21853 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
21855 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21857 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
21858 MAX_WCHAR_TYPE defined in sparc.h.
21859 * config/sparc/linuxaout.h: Likewise.
21860 * config/sparc/linux64.h: Likewise.
21861 Also default to -mvis if CPU is UltraSPARC.
21863 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21865 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
21866 (RTX_OK_FOR_OLO10): Likewise.
21867 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
21868 %lo(), allow it in addresses...
21869 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
21870 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
21871 does not make sense.
21872 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
21873 (sparc_output_scratch_registers): New function.
21874 (output_function_prologue, sparc_flat_output_function_prologue): Use
21876 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
21878 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
21879 * configure.in: Add check for .register pseudo-op support in as and
21880 check for offsetable %lo().
21881 * acconfig.h: Add templates for the above checks.
21882 * configure: Regenerate.
21884 1999-08-02 Richard Henderson <rth@cygnus.com>
21886 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
21887 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
21888 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
21890 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21892 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
21895 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21897 * config/float-sparc.h: New file.
21898 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
21899 sparc-*-linux-gnu and sparc64-*-linux*.
21901 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
21903 * rs6000.c (rs6000_va_list): Type is an array.
21904 (rs6000_va_start): Don't doubly adjust for varargs.
21905 (rs6000_va_arg): Evaluate long long GPR adjustment.
21907 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
21909 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
21910 -maix64 and -maix32.
21911 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
21912 LINK_SPEC): Change appropriately.
21913 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
21914 (u_short_cint_operand): Likewise.
21915 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
21917 * rs6000/t-aix43 (MULTILIB): Change to -m64.
21919 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
21921 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
21923 * rs6000/rs6000.c (num_insns_constant_wide): Correct
21924 for type promotion.
21925 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
21926 (non_add_cint_operand): Likewise.
21927 (logical_operand): Likewise.
21928 (non_logical_cint_operand): Likewise.
21929 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
21930 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
21931 (rs6000_select_rtx_section): Suppress warning.
21932 (small_data_operand): Suppress warning.
21933 (rs6000_got_register): Suppress warning.
21934 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
21935 type, so `J' is generally the wrong constraint for a SImode value;
21937 (andsi3_internal2): Likewise.
21938 (andsi3_internal3): Likewise.
21939 (iorsi3_internal1): Likewise.
21940 (xorsi3_internal1): Likewise.
21942 (movsf_softfloat): Likewise.
21943 (scc insns): Likewise.
21944 (movsi+2): Preserve sign bits of SImode constant.
21945 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
21946 (movdf+1): Sign-extend properly.
21947 (movdi_32+1): Sign-extend properly.
21948 (scc insns): Sign-extend properly.
21950 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
21953 1999-08-02 Richard Henderson <rth@cygnus.com>
21955 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
21956 -mcpu parsing code.
21957 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
21958 * alpha.md (all fp insns): Likewise.
21960 1999-08-02 Nick Clifton <nickc@cygnus.com>
21962 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
21965 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
21967 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
21968 pic_load_label generator directly.
21969 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
21970 No longer a named pattern.
21972 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
21974 * explow.c (force_reg): Call force_operand if X does not
21975 satisfy general_operand.
21977 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
21979 * fix-header.c (main): When testing for CONTINUED, use string
21980 equality, not pointer equality.
21982 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
21984 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
21986 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
21988 * cse.c (cse_insn): Fix loop which deletes insns after a jump
21989 that has become an unconditional jump.
21991 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
21992 (output_function_epilogue): Similarly.
21994 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21996 * tree.h (init_dummy_function_start): Declare.
21998 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22000 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
22001 last_expr_type, last_expr_value, block_start_count, block_stack,
22002 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
22003 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
22004 dynamically in stmt elt of struct function for each function.
22005 (struct nesting): Rename function_call_count elt to n_function_calls,
22006 target_temp_slot_level to block_target_temp_slot_level. All users
22008 (struct stmt_status): New structure definition.
22009 Add many accessor macros for stmt_status elements which previously
22010 were global variables.
22011 (init_stmt_for_function): Allocate stmt elt for current_function.
22012 Reflect that block_start_count was renamed to
22013 current_block_start_count.
22014 (save_stmt_status, restore_stmt_status): Delete functions.
22015 (preserve_subexpressions_p): Don't access loop_stack when outside
22017 (expand_start_bindings): Reflect that block_start_count was renamed to
22018 current_block_start_count.
22019 (expand_fixup): Likewise.
22020 (expand_decl): Don't access block_stack when outside a function.
22021 (expand_decl_cleanup): Likewise.
22022 (expand_dcc_cleanup): Likewise.
22023 (expand_dhc_cleanup): Likewise.
22024 (expand_anon_union_decl): Likewise.
22025 (set_file_and_line_for_stmt): New function.
22026 (in_control_zone_p): New function.
22028 * function.h (struct function): Add new elt stmt.
22029 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
22030 case_stack, nesting_stack, nesting_depth, block_start_count,
22031 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
22032 emit_lineno, goto_fixup_chain.
22033 (save_eh_status, restore_eh_status, save_stmt_status,
22034 restore_stmt_status): Delete declarations.
22035 * function.c (push_function_context_to): Don't call save_stmt_status.
22036 (pop_function_context_to): Don't call restore_stmt_status.
22037 * tree.h (in_control_zone_p): Declare.
22038 * rtl.h (set_file_and_line_for_stmt): Declare.
22040 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
22041 call set_file_and_line_for_stmt.
22043 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
22045 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
22046 Also update copyright.
22048 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22050 * c-pragma.c: Don't include "except.h".
22051 * emit-rtl.c: Likewise.
22052 * stor-layout.c: Likewise.
22053 * tree.c: Likewise.
22054 * varasm.c: Likewise.
22056 * flow.c: Include "function.h".
22057 * tree.h (init_dummy_function_start): Declare new function.
22059 * except.h (struct eh_status): New structure.
22060 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
22062 (eh_return_stub_label, ehstack, catchstack, ehqueue,
22063 catch_clauses, false_label_stack, caught_return_label_stack,
22064 protect_list, current_function_ehc): Add accessor macros for the
22065 corresponding fields in current_function->eh; delete declarations
22066 for all items that used to be declared here.
22067 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
22068 catch_clauses, false_label_stack, caught_return_label_stack,
22069 protect_list, current_function_ehc): Delete variables.
22070 (init_eh_for_function): Allocate current_function->eh.
22071 (save_eh_status, restore_eh_status): Delete functions.
22073 * function.h (struct function): Add fields next_global and eh.
22074 Delete all exception handling related fields.
22075 * function.c (current_function): New variable.
22076 (all_functions): New variable.
22077 (push_function_context_to): Don't allocate a struct function,
22078 use current_function instead. Call init_dummy_function_start when
22079 outside a function. Clear current_function before returning.
22080 (pop_function_context_from): Restore current_function.
22081 Don't free the restored struct function.
22082 (prepare_function_start): New function.
22083 (init_dummy_function_start): New function.
22084 (init_function_start): Break out some code into prepare_function_start
22087 * stmt.c (save_stmt_status): Don't call save_eh_status.
22088 (restore_stmt_status): Don't call restore_eh_status.
22090 * Makefile.in: Update dependencies.
22092 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
22094 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
22095 of depending on a magic constant value. Update comments.
22096 (hppa_expand_prologue): Similarly.
22098 * pa.md (reload_indi, reload_outdi): Allow any register for the
22099 original reload register.
22101 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
22103 * cccp.c (print_help): Change marcos to macros.
22105 1999-07-30 Richard Henderson <rth@cygnus.com>
22107 * c-typeck.c (initializer_constant_valid_p): Move ...
22108 * c-common.c (initializer_constant_valid_p): ... here. Use
22109 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
22110 of label addresses.
22111 * c-common.h (initializer_constant_valid_p): Declare.
22112 * c-tree.h (initializer_constant_valid_p): Remove.
22114 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
22116 * config/i386/sol2-c1.asm: Align the stack.
22117 * config/i386/sol2-gc1.asm: Likewise.
22119 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
22121 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
22122 -Asparclite for sparc86x.
22123 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
22125 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
22127 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
22129 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
22130 the user if using the non-default arch size in BI_ARCH configuration.
22131 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
22133 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
22134 Fix patterns so that they actually match.
22135 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
22136 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
22137 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
22139 (mulsidi3): Reflect this in the expand.
22140 (smulsi3_highpart): Only on TARGET_ARCH32.
22141 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
22142 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
22143 (umulsidi3): Reflect this in the expand.
22144 (umulsi3_highpart): Only on TARGET_ARCH32.
22145 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
22146 don't require g0 to be zero.
22147 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
22148 ({,u}divsi3): New expands.
22149 ({,u}divsi3_sp64): New patterns.
22150 (after lshrdi3_v8plus): Four new patterns to help combiner
22151 optimizing nested mixed mode shifts.
22153 * config/sparc/sparc.c (sparc_override_options): Use deprecated
22154 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
22155 speed things up. Don't use them by default on plain v9 in 64bit
22156 mode, according to what SPAMv9 sais.
22158 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
22159 top 32 bits of %[og][0-7] in signal handlers.
22160 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
22162 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
22164 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
22165 (ashlsi3): Corresponding changes.
22167 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
22169 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
22171 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
22173 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22175 * arm.h (Hint): Delete macro.
22176 Substitute HOST_WIDE_INT for Hint in some prototypes.
22177 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
22179 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
22181 * builtins.c (expand_builtin_setjmp): Use force_operand to
22182 make sure that the buffer address is in a suitable form to be
22183 passed to force_reg.
22185 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
22187 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
22190 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
22192 * pa.md (indirect_jump): Remove mode from match_operand. Verify
22193 proper mode in the condition string.
22194 (icacheflush, dcacheflush): Remove modes from match_operands.
22196 * pa.c (emit_move_sequence): Always convert scratch_reg to the
22197 proper mode before using it.
22199 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
22202 * pa.c (store_reg): Do not call add_high_const generator directly.
22203 (load_reg, set_reg_plus_d): Likewise.
22204 * pa.md (add_high_const): No longer a named pattern.
22206 * pa.c (legitimize_address): Consistently use Pmode rather than
22207 SImode. Do not call gen_pic2_highpart directly anymore.
22208 * pa.md (pic2_highpart): No longer a named pattern.
22209 (pic2_lo_sum): Similarly. Reformat to make more readable.
22211 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
22216 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22218 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
22220 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
22222 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
22223 and tag the spill mems.
22224 (hppa_va_start): New.
22225 (hppa_va_arg): New.
22226 * pa.h (EXPAND_BUILTIN_VA_START): New.
22227 (EXPAND_BUILTIN_VA_ARG): New.
22229 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
22231 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
22232 and tag the spill mems.
22233 (mn10300_va_start): New.
22234 (mn10300_va_arg): New.
22235 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
22236 (EXPAND_BUILTIN_VA_ARG): New.
22238 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
22240 * mn10200.c (mn10200_va_arg): New.
22241 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
22243 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
22245 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
22246 rather than play with TREE_INT_CST_LOW.
22248 1999-07-27 Philip Blundell <pb@nexus.co.uk>
22250 * config/arm/telf.h: Include dbxelf.h.
22251 (CPP_PREDEFINES): Only define if not already defined.
22252 (ASM_IDENTIFY_GCC): Likewise.
22253 (SUBTARGET_EXTRA_SECTIONS): Likewise.
22254 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
22255 * config/arm/thumb.h (LINK_SPEC): Only define if not already
22257 (DBX_DEBUGGING_INFO): Don't define.
22258 * config/arm/linux-telf.h: New file.
22259 * config/arm/linux-tgas.h: New file.
22260 * config/arm/t-thumb-linux: New file.
22261 * config/arm/uclinux-elf.h: New file.
22262 * config/arm/uclinux-telf.h: New file.
22263 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
22264 thumb-*-uclinux): New targets.
22265 * configure: Regenerate.
22267 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
22269 * pa.md (post_store, pre_load): New expanders.
22270 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
22271 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
22272 need to directly generate RTL for them.
22273 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
22276 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
22278 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
22279 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
22280 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
22281 (secndary_reload_class): Make TARGET_ELF conditional compile.
22282 (print_operand_address): Similar.
22283 (output_toc): Print all values as hex.
22284 (get_issue_rate): Rearrange and add RS64A and PPC630.
22285 * rs6000.h (processor_type): Add RS64A and PPC630.
22286 (PROCESSOR_POWERPC64): New.
22287 (PROMOTE_MODE): Use word_mode.
22288 (RTX_COSTS): Add RS64A and PPC630.
22289 * rs6000.md (scheduling information): Add lmul and ldiv
22290 representing 64-bit integer multiply and divide. Add rs64a and
22291 PPC630 information.
22292 (ashldi3): Add support for "rldic" instruction.
22293 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
22295 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
22297 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
22298 instead of V8 for sparclite86x in cpu_table.
22300 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22302 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
22303 output_file_directive.
22305 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
22307 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
22308 tree for op1, not the rtl.
22310 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
22312 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
22313 to m88k_va_start, leaving only the register spill.
22314 (m88k_build_va_list): New.
22315 (m88k_va_start): New.
22316 (m88k_va_arg): New.
22317 * m88k.h (BUILD_VA_LIST_TYPE): New.
22318 (EXPAND_BUILTIN_VA_START): New.
22319 (EXPAND_BUILTIN_VA_ARG): New.
22321 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
22323 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
22324 Rename from expand_builtin_saveregs.
22325 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
22327 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
22329 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
22330 for the register spill block.
22331 (i960_build_va_list): New.
22332 (i960_va_start): New.
22333 (i960_va_arg): New.
22334 * i960.h (BUILD_VA_LIST_TYPE): New.
22335 (EXPAND_BUILTIN_VA_START): New.
22336 (EXPAND_BUILTIN_VA_ARG): New.
22337 * i960.md (store_multiple): Use change_address on individul mems.
22339 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
22341 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
22343 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
22344 (expand_builtin_va_end): Evaluate arg for side effects.
22345 * c-common.c (c_common_nodes_and_builtins): Construct a
22346 va_list_arg_type_node to handle array decomposition to pointer.
22348 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
22350 * except.c (st_dynamic_cleanup): Use force_operand on the
22353 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
22355 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
22356 * c4x.c (c4x_va_arg): New.
22358 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
22360 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
22361 has manual_pop set.
22363 1999-07-26 Nathan Sidwell <nathan@acm.org>
22365 * eh-common.h (__eh_matcher): Prototype correctly.
22367 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
22369 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
22370 (TARGET_SINGLE_PIC_BASE): Likewise.
22371 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
22373 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
22374 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
22375 (TARGET_OPTIONS): Add -mpic-register=N.
22376 (OUTPUT_INT_ADDR_CONST): New macro.
22377 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
22378 LEGITIMATE_PIC_OPERAND_P): Likewise.
22379 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
22380 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
22381 output_addr_const directly.
22382 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
22384 (thumb_pic_register, thumb_pic_register_string): Declare.
22386 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
22388 (label_mentioned_p): New function: Imported from arm.c.
22389 (legitimize_pic_address): New function: Imported from arm.c.
22390 (is_pic):New function: Imported from arm.c.
22391 (thumb_finalize_pic):New function: Imported from arm.c.
22392 (add_constant): Cope with PIC constants.
22393 (fixit): Cope with PIC constants.
22394 (output_return): Do not treat the PIC register as live if
22395 TARGET_SINGLE_PIC_BASE is true.
22396 (thumb_function_prologue): Do not treat the PIC register as live if
22397 TARGET_SINGLE_PIC_BASE is true.
22398 (thumb_expand_prologue): Do not treat the PIC register as live if
22399 TARGET_SINGLE_PIC_BASE is true.
22400 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
22401 TARGET_SINGLE_PIC_BASE is true.
22402 (thumb_print_operand): Accept '|'.
22403 (thumb_override_options): Process PIC options.
22405 * config/arm/thumb.md (movsi): Support PIC.
22406 (call_insn): Change "i" constraint to "X".
22407 (call_value_insn): Likewise.
22408 (consttable_4, consttable_8, consttable_end): Set and clear
22409 "making_const_table" as appropriate.
22410 (pic_load_addr, pic_add_dot_plus_four): New insns.
22412 * invoke.texi (Thumb Options): Fix spelling. Document new
22413 options -msingle-pic-base and -mpic-register=.
22415 1999-07-26 Andrew Haley <aph@cygnus.com>
22417 * config/m32r/initfini.c (__init): Use a full word immediate for
22418 __fini: this allows it to be placed in any memory region.
22420 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
22421 -mmodel=medium. This is OK for all memory models.
22423 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
22425 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
22426 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
22428 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
22430 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
22433 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
22435 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
22437 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
22438 (BUILD_VA_LIST_TYPE): New.
22439 (EXPAND_BUILTIN_VA_START): New.
22440 (EXPAND_BUILTIN_VA_ARG): New.
22441 * i860.c (output_delayed_branch): Disable.
22442 (output_delay_insn): Likewise.
22443 (i860_saveregs): New.
22444 (i860_build_va_list): New.
22445 (i860_va_start): New.
22446 (i860_va_arg): New.
22447 * i860.md: Disable all peepholes using output_delayed_branch.
22448 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
22450 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
22452 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
22453 (BUILD_VA_LIST_TYPE): New.
22454 (EXPAND_BUILTIN_VA_START): New.
22455 (EXPAND_BUILTIN_VA_ARG): New.
22456 * clipper.c (clipper_builtin_saveregs): Only dump registers.
22457 Return the address of the save area.
22458 (clipper_build_va_list): New.
22459 (clipper_va_start): New.
22460 (clipper_va_arg): New.
22462 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
22464 * arc.h (EXPAND_BUILTIN_VA_START): New.
22465 (EXPAND_BUILTIN_VA_ARG): New.
22466 * arc.c (arc_setup_incoming_varargs): Set alias set of
22468 (arc_va_start): New.
22471 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
22473 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
22474 (BUILD_VA_LIST_TYPE): New.
22475 (EXPAND_BUILTIN_VA_START): New.
22476 (EXPAND_BUILTIN_VA_ARG): New.
22477 * alpha.c (alpha_builtin_saveregs): Delete.
22478 (alpha_build_va_list): New.
22479 (alpha_va_start): New.
22480 (alpha_va_arg): New.
22482 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
22484 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
22486 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
22487 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
22489 * gcc.texi: More changes related to list conversion.
22490 * invoke.texi: Likewise.
22492 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
22494 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
22495 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
22496 (expand_builtin_next_arg): Accept ARGLIST not EXP.
22497 (stabilize_va_list): New function.
22498 (std_expand_builtin_va_start): New function.
22499 (expand_builtin_va_start): New function.
22500 (get_varargs_alias_set): New function.
22501 (std_expand_builtin_va_arg): New function.
22502 (expand_builtin_va_arg): New function.
22503 (expand_builtin_va_end): New function.
22504 (expand_builtin_va_copy): New function.
22505 (expand_builtin): Call them.
22506 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
22507 __builtin_{varargs_start,stdarg_start,end,copy}.
22508 (build_va_arg): New function.
22509 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
22510 (build_va_arg): Declare.
22511 * c-decl.c (ptr_type_node, va_list_type_node): New.
22512 * c-parse.gperf (__builtin_va_arg): New.
22513 * c-parse.in (VA_ARG): New token.
22514 (unary_expr): Recognize it.
22515 * expr.c (expand_expr): Expand VA_ARG_EXPR.
22516 * expr.h (std_expand_builtin_va_start): Declare.
22517 (std_expand_builtin_va_arg): Declare.
22518 (expand_builtin_va_arg): Declare.
22519 (get_varargs_alias_set): Declare.
22520 * tree.def (VA_ARG_EXPR): New.
22521 * tree.h (BUILT_IN_VARARGS_START): New.
22522 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
22523 (ptr_type_node, va_list_type_node): Declare.
22524 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
22525 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
22526 * m88k.h, m88k.c: Likewise.
22527 * mn10300.h, mn10300.c: Likewise.
22528 * pa.h, pa.c: Likewise.
22529 * rs6000.h, rs6000.c: Likewise.
22530 * sh.h, sh.c: Likewise.
22531 * sparc.h, sparc.c: Likewise.
22533 * emit-rtl.c (operand_subword): Copy alias set.
22534 (change_address): Likewise.
22536 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
22538 * pa.c (compute_frame_size): Scan all the used callee saved registers,
22539 not just the first one.
22541 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
22543 * config/arm/arm.h (TARGET_SWITCHES): Add
22544 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
22545 (TARGET_OPTIONS): Add -mpic-register=.
22546 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
22547 (arm_pic_register_string): Declare.
22548 (NEED_PLT_GOT): Delete, replace with ...
22549 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
22550 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
22551 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
22552 * config/arm/arm.c (arm_override_options): Add new option
22554 (arm_pic_register_string): New variable.
22555 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
22556 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
22557 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
22558 (output_return_instruction): Likewise.
22559 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
22560 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
22561 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
22563 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
22564 mention of -msched-prolog. Document new options -msingle-pic-base
22565 and -mpic-register=.
22567 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
22569 * haifa-sched.c (reemit_notes): Tidy.
22570 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
22573 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
22575 * explow.c (trunc_int_for_mode): New function.
22576 (plus_constant_wide): Use it.
22577 * combine.c (simplify_and_const_int): Likewise.
22578 (merge_outer_ops): Likewise.
22579 (simplify_shift_const): Likewise.
22580 * cse.c (simplify_unary_operation): Likewise.
22581 (simplify_binary_operation): Likewise.
22582 * emit-rtl.c (operand_subword): Likewise.
22583 * rtl.h: Declare it.
22585 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22587 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
22588 (use NUM_REGS instead of NUM_INTS).
22590 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22592 * builtins.c: New file.
22593 * expr.c (saveregs_value, apply_args_value): Delete definition,
22594 moved into builtins.c.
22595 (string_constant): No longer static.
22596 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
22597 apply_args_size, apply_result_size, result_vector,
22598 expand_builtin_apply_args, expand_builtin_apply,
22599 expand_builtin_return): Delete functions, moved into builtins.c.
22600 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
22601 * expr.h (saveregs_value, apply_args_value): Declare variables.
22602 (expand_builtin, string_constant): Declare functions.
22603 * Makefile.in: Update to build builtin.o.
22605 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
22607 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
22608 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
22609 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
22610 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
22612 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
22615 1999-07-21 Michael Meissner <meissner@cygnus.com>
22617 * print-rtl.c (print_rtx): Print the names of the virtual
22620 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
22622 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
22623 introduced in previous delta.
22625 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22627 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
22628 to avoid name clash.
22630 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22632 * c-lex.c (yylex) : Correct the test for overflow when lexing
22635 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
22637 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
22638 (adjust_priority): Always call ADJUST_PRIORITY.
22639 (schedule_insn): Only put insns into the ready at cost 0.
22640 (schedule_block): Remove redundant initial sort. Give clock_var
22641 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
22643 * tm.texi (MD_SCHED_REORDER): Update docs.
22645 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
22646 * sparc.c (ultra_reorder_called_this_block): Delete.
22647 (ultrasparc_sched_init): Don't set it.
22648 (ultrasparc_sched_reorder): Don't check it.
22650 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
22652 * rs6000.h (struct rs6000_args): Add sysv_gregno.
22653 * rs6000.c (init_cumulative_args): Init sysv_gregno.
22654 (function_arg_boundary): Align DFmode.
22655 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
22656 to get fp reg and stack overflow correct.
22657 (function_arg): Likewise.
22658 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
22659 (setup_incoming_varargs): Restructure for ABI_V4; use
22660 function_arg_advance to skip final named argument.
22661 (expand_builtin_saveregs): Properly unskip the last integer arg
22662 when doing varargs. Adjust overflow location calculation.
22664 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
22665 explicitly unsigned.
22666 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
22667 (__VA_GP_REGSAVE): Similarly.
22668 (__va_longlong_p): Delete.
22669 (__va_arg_type_violation): New declaration.
22670 (va_arg): Restructure. Flag promotion errors. Align double.
22671 TFmode passed by reference.
22673 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
22674 in the HOST_BITS_PER_WIDE_INT > 32 case.
22676 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
22678 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
22680 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
22682 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
22683 * toplev.c (documented_lang_options): Add -fpreprocessed.
22684 * cpplib.h (struct cpp_buffer): Add preprocessed.
22685 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
22686 (cpp_start_read): Don't expand macros or emit an initial #line
22687 directive if -fpreprocessed.
22689 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22691 * cpplib.h (struct cpp_buffer): Added manual_pop for
22692 better C++ tokenization.
22693 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
22694 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
22695 * c-common.c (cpp_token): Make non-static.
22697 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22699 * c-common.h: New file.
22700 * c-common.c (permanent_obstack): Delete unused declaration.
22701 (c_global_trees): New array.
22702 (c_common_nodes_and_builtins): New function; split off common code
22703 from init_decl_processing in both c-decl.c and cp/decl.c.
22704 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
22705 c_global_trees and accessor macros defined in c-common.h.
22706 Include c-common.h.
22707 * c-decl.c: Delete definitions for tree nodes that were replaced by
22709 (init_decl_processing): Build void_list_node.
22710 Call c_common_nodes_and_builtins; delete code to generate the common
22712 * objc/objc-act.c (build_module_descriptor): Rename variable
22713 void_list_node to avoid clash with c-common.h.
22715 * Makefile.in: Update dependencies.
22716 * objc/Make-lang.in: Likewise.
22718 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
22720 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
22721 (UNIQUE_SECTION_P): Likewise.
22722 (UNIQUE_SECTION): Likewise.
22724 1999-07-19 Linas Vepstas <linas@linas.org>
22726 * config/i370/README: New file.
22727 * config/i370/linux.h: New file.
22728 * config/i370/mvs.h: New file.
22729 * config/i370/oe.h: New file.
22730 * config/i370/t-linux: New file.
22731 * config/i370/t-mvs: New file.
22732 * config/i370/t-oe: New file.
22733 * config/i370/x-oe: New file.
22734 * config/i370/xm-linux.h: New file.
22735 * config/i370/xm-mvs.h: New file.
22736 * config/i370/xm-oe.h: New file.
22738 * i370.c (label_node_t): Add first_ref_page, label_addr,
22739 label_first_ref, label_last_ref members.
22740 (mvs_need_base_reload): Renamed from mvs_label_emitted.
22741 (MAX_MVS_LABEL_SIZE): Define.
22742 (MAX_LONG_LABEL_SIZE): Define.
22743 (alias_node_t, alias_anchor, alias_number): New.
22744 (mvs_function_table): Reorder for EBCDIC.
22745 (ascebc, ebcasc): Unconditionally define.
22746 (i370_branch_dest, i370_branch_length): New functions.
22747 (i370_short_branch, i370_label_scan): New functions.
22748 (mvs_get_label): Renamed from mvs_add_label. Search for
22749 an existing label before creating a new one.
22750 (mvs_add_label): New function.
22751 (mvs_get_label_page): New function.
22752 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
22753 over the entire list.
22754 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
22755 (mvs_check_page) [TARGET_ELF_ABI]: New function.
22756 (mvs_add_alias, mvs_need_alias): New functions.
22757 (mvs_get_alias, mvs_check_alias): New functions.
22758 (handle_pragma): New function.
22759 (mvs_function_check): New function.
22760 (unsigned_jump_follows_p): Search harder.
22761 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
22762 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
22763 * i370.h (TARGET_VERSION): Delete.
22764 (CPP_SPEC, CPP_PREDEFINES): Delete.
22765 (mvs_label_emitted): Delete.
22766 (TARGET_EBCDIC): Delete.
22767 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
22768 (HANDLE_PRAGMA): Define.
22769 (HARD_REGNO_NREGS): Handle complex modes.
22770 (HARD_REGNO_MODE_OK): Likewise.
22771 (CLASS_MAX_NREGS): Likewise.
22772 (RET_REG): Likewise.
22773 (EXTRA_CONSTRAINT): Define.
22774 (RETURN_IN_MEMORY): True for DImode.
22775 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
22776 (FUNCTION_PROFILER): Delete.
22777 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
22778 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
22779 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
22780 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
22781 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
22782 (ASM_FILE_START): Add "RMODE ANY".
22783 (ASM_OUTPUT_EXTERNAL): Check for aliases.
22784 (ASM_GLOBALIZE_LABEL): Likewise.
22785 (ASM_OUTPUT_LABELREF): Likewise.
22786 (ASM_OUTPUT_COMMON): Likewise.
22787 (PRINT_OPERAND): Handle 'K', 'W', default.
22788 (PRINT_OPERAND_ADDRESS): New.
22789 (Lots of defines): Add support for TARGET_ELF_ABI.
22790 * i370.md (attr length): New. Define for all patterns.
22791 (*): Lots of tweeks to assembly output and constraints.
22793 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
22795 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
22796 Disable patterns performing SImode comparisons with SImode values
22797 if TARGET_POWERPC64 and instruction does not sign-extend or does
22798 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
22799 differ for signed quantities.
22800 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
22801 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
22802 (decrement_and_branch_on_count): Add 64-bit variant.
22804 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22806 * final.c (output_asm_insn): When searching for the matching string
22807 for a given dialect, don't run past the end of the list of
22808 alternatives if there are fewer alternatives in the template than
22811 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
22813 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
22814 Removed paragraph about compression of files and size limitation,
22815 duplicated in the FAQ. Use gcc-patches for posting patches.
22816 * gcc.c (main): Updated URL with bug reporting instructions to
22817 gcc.gnu.org. Removed e-mail address.
22818 * system.h (abort): Likewise.
22820 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22822 * Makefile.in (stmp-multilib-sub): Make the files extracted
22823 from $(LIBGCC1) writable.
22825 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
22827 * config/arm/aout.h: Reformat for improved readability.
22829 * config/arm/arm.h: Reformat for improved readability.
22830 Replace uses of fprintf with asm_fprintf where appropriate.
22831 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
22832 function declaration assembler actions.
22833 (NUM_INTS): New macro: Convert from bytes to words.
22834 (NUM_REGS): New macro: Compute number of registers required to
22835 hold a quanitity of tyep MODE.
22836 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
22838 (NUM_ARG_REGS): New macro: The number of argument registers
22840 (ARG_REGISTER): New macro: Compute the register number of the Nth
22842 (LAST_ARG_REGNUM): New macro: The number of the last argument
22844 (SP_REGNUM): New macro: Register number of the stack pointer.
22845 (FP_REGNUM): New macro: Register number of the frame pointer.
22846 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
22847 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
22848 CUMULATIVE_ARGS so that it counts registers not bytes.
22850 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
22852 Replace uses of fprintf with asm_fprintf where appropriate.
22853 (output_ascii_pseudo_op): Replace with version from thumb.c
22855 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
22857 * config/arm/elf.h (CPP_PREDEFINES): Replace with
22858 SUBTARGET_CPP_SPEC.
22859 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
22860 (ASM_FILE_START): Emit ASM_APP_OFF.
22862 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
22864 * pa.c (compute_frame_size): Round frame according to
22865 STACK_BOUNDARY rather than a hardwired value.
22867 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
22869 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
22871 * configure: Rebuilt.
22873 * configure.in (hppa*-*-linux*): New configuration.
22874 * configure: Rebuilt.
22875 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
22876 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
22877 * pa/pa-linux.h: New file.
22878 * pa/t-linux: New file.
22879 * pa/xm-linux.h: New file.
22881 * pa.c (hppa_legitimize_address): Change references from SImode to
22882 either Pmode or word_mode as appropriate.
22883 (emit_move_sequence, store_reg, load_reg): Likewise.
22884 (set_reg_plus_d, hppa_expand_prologue): Likewise.
22885 (output_mul_insn): Likewise.
22886 * pa.h (PROMOTE_MODE): Likewise.
22887 (INITIALZE_TRAMPOLINE): Likewise.
22888 (Pmode): Define to word_mode.
22890 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
22891 value of 4. Allocate 8 bytes for each FP register save.
22892 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
22894 (hppa_expand_prologue): Likewise.
22895 * pa.h (PROMOTE_MODE): Likewise.
22896 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
22897 (FUNCTION_ARG_BOUNDARY): Likewise.
22899 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
22901 * pa.c (out_of_line_prologue_epilogue): Delete.
22902 (override_options): Remove -mspace related code.
22903 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
22904 (compute_frame_size): Only allocate space for register that
22905 actually need to be saved.
22906 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
22907 (TARGET_SWITCHES): Remove -mspace, -mno-space
22908 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
22909 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
22910 * pa/ee.asm, pa/ee_fp.asm: Delete.
22912 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
22914 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
22915 directive in column zero.
22917 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
22919 * m68k.c (output_function_prologue): Fix computation of save mask
22920 when generating PIC code.
22922 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
22924 * tree.c (build_type_attribute_variant): Move current_obstack restore
22925 after build_qualified_type call.
22927 1999-07-15 Mark Mitchell <mark@codesourcery.com>
22929 * configure.in: Use t-iris6, even with GNU LD.
22930 * config/mips/iris6gld.h: Fix typo in linker spec.
22931 * config/mips/t-iris6gld: Remove.
22933 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
22935 * rs6000.md (insv, extzv): Remove SImode dependence in named
22936 patterns. Explicitly generate DImode RTL if PowerPC64 and
22938 (insvdi): Reverse start and size in instruction template.
22940 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
22942 * invoke.texi: Typo fixes.
22944 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
22946 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
22947 handle at this time instead of silently generating incorrect code.
22948 (gen_imagpart): Likewise.
22950 * reload.c (find_reloads): Emit a USE for a pseudo register without
22951 a hard register if we could not create an optional reload for the
22954 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22956 * c-typeck.c (output_init_element, process_init_element):
22957 When advancing constructor_unfilled_fields for a RECORD_TYPE,
22958 check for nameless bit fields.
22960 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
22962 * regclass.c (scan_one_insn): Notice subregs that change the
22963 size of their operand.
22964 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
22966 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
22968 * configure.in (alpha*-*-*): Include alpha/t-ieee.
22969 * configure: Rebuilt.
22970 * alpha/t-ieee: New file.
22972 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
22974 * rs6000.c (find_addr_reg): Do not select r0 as an address
22977 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
22979 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
22981 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
22983 * rs6000.md (movsf): Do not force easy FP constants into memory.
22985 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
22986 immed_double_const to ensure they are properly truncated then
22989 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
22991 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
22992 always unless NO_DEBUG is used. Compile this code
22994 (replace_symbols_in_block): Compile it unconditionally.
22996 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
22998 * configure.in (i?86-*-elf*): New target.
22999 * configure: Rebuilt.
23000 * i386/i386elf.h, i386/t-i386elf: New files.
23002 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23004 * toplev.c (main): Don't complain about saying -gdwarf.
23005 (rest_of_compilation): Remove redundant code.
23007 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
23009 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
23011 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
23013 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
23014 "Li960R:", to avoid name clash.
23016 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23018 * loop.c (check_dbra_loop): When reversing a loop, delete all
23019 REG_EQUAL notes referencing the reversed biv except those which are
23020 for a giv based on it.
23022 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
23024 * version.c: Drop "gcc-" prefix from version #.
23026 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
23028 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
23029 the label if we're being verbose.
23031 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
23033 * m68k.c (output_function_prologue): Add pic register to mask
23034 if live and flag_pic.
23035 (output_function_epilogue): Likewise.
23037 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
23039 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
23040 directives in column zero.
23042 * pa/elf.h (ASM_FILE_START): Define.
23043 * pa/som.h (ASM_FILE_START): Include .level directives.
23044 * pa/hpux10.h (ASM_FILE_START): Delete.
23045 * pa/hpux11.h (ASM_FILE_START): Delete.
23047 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
23049 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23051 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
23052 when reload_out equals reload_in.
23054 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
23056 * invoke.texi (Spec Files): New node: Describe the contents of
23059 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
23061 * invoke.texi (DEC Alpha Options): Put @end table at
23062 beginning of line, to avoid confusing texi2html.
23064 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
23066 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
23067 introduced in previous delta.
23069 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23071 * reload1.c (gen_reload): When synthesizing a 3 operand add
23072 sequence, improve test for when to reload OP1 into the reload
23073 register instead of OP0.
23075 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
23077 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
23079 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
23081 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
23084 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
23086 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
23087 (va_dcl): Use __builtin_va_alist_t.
23089 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
23091 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
23092 on the permanent_obstack.
23093 * dwarfout.c (output_type): Likewise.
23095 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
23097 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23098 Merged from c-typeck.c and cp/typeck.c.
23099 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23100 Merged into c-common.
23102 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
23104 * c-lex.c (errorcount): Declare it.
23105 (finish_parse): Update errorcount when using CPPLIB.
23107 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
23109 * fixinc/inclhack.def(end_else_label): Double the backslash so
23110 sed gets a chance to see it.
23111 * fixinc/inclhack.sh: regen
23112 * fixinc/fixincl.x: regen
23114 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
23116 Add framework to support armv5 architecture when it becomes
23119 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
23120 (arm_arch5): New variable.
23121 (all_architectures): Add armv5 line.
23122 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
23123 -march=armv5 is specified on the command line.
23124 (arm_arch5): Export this variable.
23125 * invoke.texi: Document new string accepted by -march= switch for
23128 * config/arm/arm.h: Replace use of constant 12 as a register
23129 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
23130 * config/arm/arm.c: Replace use of constant 12 as a register
23131 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
23133 * config/arm/elf.h: Tidy up.
23134 * config/arm/coff.h: Tidy up.
23136 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
23138 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
23139 * gcc/config/mips/t-iris6gld: New file.
23140 * gcc/config/mips/iris6gld.h: Likewise.
23142 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
23144 * c-decl.c (widest_integer_literal_type_node,
23145 widest_unsigned_literal_type) : New.
23146 (init_decl_processing): Handle/use the two new types.
23147 * c-common.c (type_for_size,type_for_mode) : Same.
23148 * c-lex.c (yylex) : Same.
23149 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23151 * c-tree.h (widest_integer_literal_type_node,
23152 widest_unsigned_literal_type) : New.
23154 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
23156 * dwarfout.c (field_byte_offset): Correctly compute the object's
23157 byte offset for the first bit of a field which crosses an alignment
23158 boundary on a !BYTES_BIG_ENDIAN target.
23160 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
23162 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
23165 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
23166 Jeff Law <law@cygnus.com>
23168 * ginclude/varargs.h (va_dcl): Use word_mode for type of
23171 * except.c: Include intl.h.
23172 (expand_eh_return): Set current_function_cannot_inline.
23173 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
23174 * function.h (struct function): Add eh_return_stub_label.
23175 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
23176 * Makefile.in (except.o): Depend on intl.h.
23178 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
23180 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
23181 same as offsettable in cases 1 and 2.
23183 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
23185 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
23186 (extlh, extwh): Likewise.
23188 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
23190 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
23192 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
23194 * configure.in: Add arm-pe and thumb-pe targets.
23195 * configure: Regenerate.
23197 * thumb.c (arm_naked_function_p): New function: Determines if
23198 a function is naked (has no gcc generated prologue/epilogue).
23199 (is_called_in_ARM_mode): Return true if the func has the
23200 interfacearm attribute.
23201 (output_return): Do not generate a return for naked functions.
23202 (thumb_function_prologue): Do not generate a prologue for
23204 (thumb_expand_prologue): Do not generate a prologue for naked
23206 (thumb_expand_epilogue): Do not generate an epilogue for naked
23208 (arm_valid_machine_decl_attribute): New function, copied from
23209 arm.c: Permit naked and interfacearm attributes.
23211 * config/arm/pe.c: New file: Support code for arm-pe target.
23212 * config/arm/pe.h: New file: Header file for arm-pe target.
23213 * config/arm/tpe.h: New file: Header file for thumb-pe target.
23214 * config/arm/t-thumb-pe: New file: Makefile fragment for
23217 1999-07-01 Mark Kettenis <kettenis@gnu.org>
23219 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
23220 -fPIC or -fpic is specified.
23222 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
23224 * expr.c (emit_block_move): Use copy_to_mode_reg for
23225 !TARGET_MEM_FUNCTIONS case too.
23227 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
23229 * configure: Rebuilt.
23230 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
23231 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
23232 definitions made redundant by dbxelf.h inclusion. Delete
23233 lots of definitions related to assembly output that are
23234 specific to the SOM object format.
23235 * pa.c (output_function_prologue): Do not emit the function's
23237 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
23238 * pa-pro.h: Deleted.
23239 * som.h: New file with SOM specific definitions.
23240 * elf.h: New file with ELF specific definitions.
23242 * elfos.h (const_section): Output a tab before assembler directives.
23243 (ctors_section, dtors_section): Likewise.
23244 (ASM_OUTPUT_SECTION_NAME): Likewise.
23246 * pa/pa1.h: Delete unused file.
23248 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
23250 * configure.in (hppa*-hp-hpux11*): New configuration.
23251 * configure: Rebuilt.
23252 * pa/pa-hpux11.h: New file.
23253 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
23256 * mips.md (leasi, leadi): New patterns.
23258 * expr.c (emit_block_move): Properly handle case where one of the
23259 block move arguments has a queued increment or decrement.
23260 (clear_storage): Similarly. Fix formatting goof.
23262 1999-06-28 "David O'Brien" <obrien@NUXI.com>
23264 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
23265 semicolon from the BSD VA_LIST replacement expression.
23267 * fixinc/inclhack.sh: regen
23268 * fixinc/fixincl.x: regen
23270 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
23271 now use the fixincl program.
23273 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
23275 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
23276 case. Also make the PIC register call_used.
23278 * m68k.h (FINALIZE_PIC): Delete.
23279 * m68k.c (finalize_pic): Delete.
23281 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
23283 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
23286 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
23288 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
23290 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
23292 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
23294 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
23296 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
23298 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
23300 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
23302 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
23304 * rs6000.c (output_toc): Always use hex values for floating-point
23305 constants. Store single-precision values in upper-half of TOC
23306 entry in 64-bit mode.
23307 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
23308 to final constraints.
23309 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
23310 (fctiwz): Improve accuracy of RTL for pattern.
23312 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
23314 * expr.c (expand_expr): Allow RTL_EXPR's through the
23315 MAX_INTEGER_COMPUTATION_MODE checks.
23317 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
23319 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
23320 such that MASK_SUPPORT_ARCH is not negative.
23322 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
23324 * loop.c (verify_dominator): Properly handle ADDR_VEC and
23325 ADDR_DIFF_VEC insns that appear inside loops.
23327 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
23328 Jeff Law <law@cygnus.com>
23330 * rs6000.md (movdf_hardfloat32): Revert previous patch.
23331 Handle LO_SUM the same as offsettable in cases 1 and 2.
23332 * rs6000.c (find_addr_reg): Revert previous patch.
23334 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
23336 * system.h (strstr): New external function declaration.
23337 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
23338 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
23339 * config.in, configure: Rebuilt.
23341 1999-06-24 Tom Tromey <tromey@cygnus.com>
23343 * gcc.c (main): Read user-specified specs files after computing
23344 additional startfile_prefixes.
23346 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
23348 Revert these two patches:
23350 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23351 * loop.c (strength_reduce): When doing biv->giv conversion, update
23352 reg note of NEXT->insn.
23354 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23355 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23357 (recombine_givs): Set ix field after sorting.
23359 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23361 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
23362 for the parts of an UNSPEC / UNSPEC_VOLATILE.
23364 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
23366 *fixinc/inclhack.def: Add fix development commentary
23367 (read_ret_type): reactivate and add selection clause
23368 (zzz_*): tweak output file name to match what is used in hackshell.tpl
23369 *fixinc/{fixincl.x|inclhack.sh}: regen
23371 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
23373 * expr.c (expand_expr): STRIP_NOPS before checking against
23374 MAX_INTEGER_COMPUTATION_MODE
23375 (check_max_integer_computation_mode): Likewise.
23377 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
23379 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
23381 1999-06-22 Jim Wilson <wilson@cygnus.com>
23383 * expr.c (store_expr): When target is a promoted subreg, return a
23384 promoted subreg as a result.
23386 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
23388 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
23390 (dwarf2out_define): Mark unused parameters appropriately.
23391 (gen_unspecified_parameters_die): Ditto.
23392 (gen_subprogram_die): Fix signed/unsigned warnings.
23393 (gen_variable_die): Ditto.
23395 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
23397 * fixinc/inclhack.def(end_else_label): combined else_label
23398 and endif_label and fixed the sed expression.
23399 *fixinc/{fixincl.x|inclhack.sh}: regen
23401 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
23403 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
23404 'x' when handling non-offsettable addresses
23406 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
23408 * final.c (shorten_branches): Don't try to split an insn that has
23411 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
23413 * config/mips/mips.c (symbolic_expression_p): New function.
23414 (mips_select_rtx_section): Put symbolic expressions in the
23415 data section, not the read-only data section.
23417 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
23419 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
23421 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
23423 * collect2.c (main): Log frame table count.
23424 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
23425 (scan_prog_file) [COFF]: Handle frame tables.
23427 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
23428 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
23429 * alpha/elf.h: Undef them again.
23430 * alpha/vms.h: Remove their definitions.
23432 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23434 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
23435 remove the clobber of r0 and change the REG_UNUSED note to
23438 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
23440 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
23441 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
23442 fits in HOST_WIDE_INT and one uses union to access a long constant
23445 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
23447 * sparc.c (sparc_override_options): Don't allow profiling for
23448 code models other than medlow.
23449 (sparc_function_profiler): New function from old FUNCTION_PROFILER
23450 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
23451 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
23452 (sparc_block_profiler): Likewise.
23453 (sparc_function_block_profiler_exit): Likewise.
23454 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
23455 (FUNCTION_BLOCK_PROFILER): Likewise.
23456 (BLOCK_PROFILER): Likewise.
23457 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
23458 (MCOUNT_FUNCTION): New.
23459 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
23460 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
23461 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
23462 (MCOUNT_FUNCTION): New.
23463 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
23464 (BLOCK_PROFILER): Delete.
23465 (MCOUNT_FUNCTION): New.
23467 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
23469 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
23471 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
23473 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23476 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23479 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23482 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23485 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
23487 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
23490 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
23492 * i386/djgpp.h (LIB_SPEC): New.
23493 (STARTFILE_SPEC): New.
23495 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
23497 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
23499 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
23502 * system.h (WSTOPSIG): New macro.
23504 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
23506 * c-pragma.c (push_alignment): Don't ignore alignments greater than
23508 (insert_pack_attributes): Take into account member natural
23511 * i386/winnt.c (exports_head): New static variable.
23512 (i386_pe_record_exported_symbol): New function.
23513 (i386_pe_asm_file_end): Use.
23514 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
23515 symbols to be emitted at end of assembly.
23516 (ASM_DECLARE_OBJECT_NAME): Likewise.
23517 (ASM_DECLARE_FUNCTION_NAME): Likewise.
23519 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
23522 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
23524 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
23527 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
23529 * haifa-sched.c (sched_analyze_1): Use free_list instead of
23530 zapping reg_last_uses directly.
23531 (sched_analyze_2, sched_analyze_insn): Likewise.
23532 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
23534 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
23536 * rs6000.md (movdf_hardfloat32): Use worst case insn length
23537 attributes for cases 1 and 2.
23539 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
23541 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
23544 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
23546 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
23548 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
23550 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
23551 PIC_OFFSET_TABLE_REGNUM for general alloaction.
23552 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
23553 must be stacked if it is used for PIC accesses.
23554 * arm.c (use_return_insn): Handle PIC register specially.
23555 (output_return_instruction): Likewise.
23556 (output_func_{prologue,epilogue}): Likewise.
23557 (output_expand_prologue): Likewise.
23559 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
23560 (*strsi_predec): Renamed from *strqi_predec.
23561 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
23562 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
23564 * arm.c (arm_override_options): Remove warning about PIC code
23565 not being supported.
23567 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
23569 * rs6000.c (find_addr_reg): New function.
23570 * rs6000.h (find_addr_reg): Declare.
23571 (offsettable_addr_operand): Delete.
23572 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
23573 from and stores to GPRs.
23575 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
23577 * alpha.c (alpha_expand_block_move): Use get_insns rather than
23578 gen_sequence as argument to emit_no_conflict_block.
23580 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23582 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
23583 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
23584 *fixinc/fixincl.x: regen
23585 *fixinc/inclhack.sh: regen
23587 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
23589 * added support for -mpcrel (PC relative addressing for m68k)
23590 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
23591 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
23592 * m68k.c (print_operand_address): Handle 32-bit PIC case.
23593 (comments for general_src_operand): Add some explanation
23594 about EXTRA_CONSTRAINTS.
23595 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
23596 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
23597 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
23598 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
23599 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
23600 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
23601 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
23602 if not already set.
23603 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
23604 * m68k.h (TARGET_PCREL): New target flag.
23605 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
23606 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
23607 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
23608 contains a SYMBOL_REF. Relax this constraint during reload, since
23609 we want to use the predicates, not reload's built-in concept of a
23610 valid memory address, to control what insns need reloading.
23611 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
23612 operands (essentially 'g', 'm', and 's' under normal circumstances).
23613 * m68k.c (print_operand): Cause printing of pc-relative addresses
23614 to include pc register.
23615 (print_operand_address): Ditto.
23616 (general_src_operand): Accept operands that are not only
23617 general_operands, but are also valid when used as a pc-relative
23619 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
23620 (memory_src_operand): Similar, for memory_operands.
23621 (pcrel_address): New predicate to accept the special case of a
23622 pc-relative address.
23623 * m68k.md (many patterns): Rewrite common SImode, HImode, and
23624 QImode insns to accept *_src_operand instead of *_operand where
23625 pc-relative operands can fit. For example, a pc-relative operand
23626 can be used as a memory source operand for addsi3, but not as a
23627 memory destination.
23628 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
23630 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
23632 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
23633 .thumb_set pseudo op to mark aliases of thumb functions.
23635 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
23637 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
23638 preference to ASM_OUTPUT_DEF, if it is defined.
23640 * tm.texi: Document new, optional target macro
23641 ASM_OUTPUT_DEF_FROM_DECLS.
23643 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23645 * fixincludes: ISCNTL patch
23646 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
23647 (dgux_int_varargs): new for DG/UX
23648 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
23650 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
23652 * invoke.texi (ia32 options): Fix typo.
23654 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23656 * loop.c (strength_reduce): When doing biv->giv conversion, update
23657 reg note of NEXT->insn.
23659 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
23661 * loop.c (move_movables): Note issues with replacing REGs with
23663 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
23665 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
23667 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
23669 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
23670 the reference to `mcount' was not correct for the ELF on FreeBSD.
23672 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23674 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23677 (recombine_givs): Set ix field after sorting.
23679 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
23681 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
23682 to safe to extract a subword out of a REG.
23684 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23686 * sh.md (mulsi3): Don't add a no-op move at the end.
23688 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23690 * cse.c (cse_insn): Don't put hard register source into tables for
23691 the last insn of a libcall.
23693 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23695 * loop.c (strength_reduce): Insert sets of derived givs at every
23696 biv increment, even if it's the only one.
23698 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
23700 * dwarfout.c (add_incomplete_type): New fn.
23701 (output_type): Call it.
23702 (retry_incomplete_types): New fn.
23703 (dwarfout_finish): Call it.
23705 From Eric Raskin <ehr@listworks.com>:
23706 (output_type): Output types for bases.
23708 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23710 * mips.c (mips_output_conditional_branch): Add `break'
23711 between `default' label and `close braces'.
23713 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
23715 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
23716 specifications and make it realistic.
23717 (LIB_SPEC): Likewise.
23719 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
23721 * config/mips/mips.c (mips_secondary_reload_class): Check for
23722 (PLUS (SP) (REG)) and return appropriate register class.
23723 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
23724 Handle (PLUS (SP) (REG)).
23725 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
23726 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
23727 of emit_insn for tablejump.
23729 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
23731 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
23732 asm_fprintf format string by itself.
23733 (output_function_profiler): Likewise.
23735 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
23737 * combine.c (simplify_logical, case AND): Only call
23738 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
23739 or the constant is positive.
23741 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
23743 * configure.in: Fix typo in rs6000-ibm-aix4 case.
23744 * configure: Regenerate.
23746 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
23748 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
23749 require a sub-version #.
23750 * configure: Rebuilt.
23752 1999-06-14 Robert Lipe (robertlipe@usa.net)
23754 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
23756 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
23758 * c-typeck.c (process_init_element): Detect excess elements in
23759 char array initializer.
23761 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
23763 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
23765 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
23767 * invoke.texi (Option Summary): Add -fpermissive flag.
23769 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
23771 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
23772 that require PIC code sequences.
23774 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
23776 * configure.in: Add new target: thumb-elf.
23777 * configure: Regenerate.
23778 * config/arm/t-thumb-elf: New file: Makefile fragment for
23780 * config/arm/telf.h: New file: Header file for thumb-elf
23783 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
23785 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
23786 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
23787 initializers is some circumstances.
23789 * fixinc/inclhack.def (endif_label): Add additional selector for
23790 more bogus stuff after #endif statements.
23791 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
23793 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
23795 * i386/cygwin.h (SET_ASM_OP): Define.
23797 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
23799 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
23801 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23803 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
23806 * sh.md (ic_invalidate_line_i): Remove second alternative.
23808 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23810 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
23811 test for the presence of valid prototypes. Delete bypass expr.
23812 (ioctl_fix_ctrl): Correct the selection expression.
23813 (no_double_slash): Correct quoting rules
23814 *fixinc/fixincl.x: regen
23815 *fixinc/inclhack.sh: regen
23817 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
23819 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
23821 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23823 * rs6000.md (movsi_got_internal_mem): Delete.
23824 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
23825 (GOT_TOC_REGNUM): Delete.
23826 (PIC_OFFSET_TABLE_REGNUM): Define.
23827 (FINALIZE_PIC): Disable.
23828 * rs6000.c (rs6000_got_register): New code for fixed pic register.
23829 (rs6000_replace_regno): Delete.
23830 (rs6000_finalize_pic): Likewise.
23831 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
23833 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23835 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
23836 is a note; use <= for the compare; advance P while it is
23839 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
23841 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
23842 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
23844 * varasm.c (remove_from_pending_weak_list): Verify t->name
23845 is non-NULL before passing it to strcmp.
23847 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23849 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
23850 the typed arguments are not part of a comment
23851 (ioctl_fix_ctrl): Added a purpose comment
23852 *fixinc/fixincl.x: regenerate
23853 *fixinc/inclhack.sh: regenerate
23855 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23857 * invoke.texi: Add C4x invocation docs.
23859 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23861 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
23863 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
23865 (c4x_legitimize_reload_address): New function.
23866 * config/c4x/c4x.md: Update docs.
23868 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
23870 * fixincludes: Avoid removing '.'.
23871 * fixinc/fixinc.svr4: Likewise.
23872 * fixinc/fixinc.winnt: Likewise.
23873 * fixinc/inclhack.tpl: Likewise.
23874 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
23876 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23878 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
23880 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
23882 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
23884 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
23887 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
23889 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
23890 * configure: Regenerate.
23892 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
23894 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
23897 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
23899 * fixinc/inclhack.def (avoid_bool): Also catch
23900 "typedef [unsigned] int bool".
23901 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
23903 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
23904 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
23905 * configure: Rebuilt.
23907 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
23909 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
23910 such that we can override its definitions if necessary.
23911 (CPP_SPEC): New define. Support processor specific predefines via
23913 (CC1_SPEC): New define. Support processor specific compiler
23914 options via %(cc1_cpu).
23915 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
23918 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23920 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
23921 between sed's -e flag, and the open-quote following it.
23922 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
23924 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
23925 Jeffrey A Law (law@cygnus.com)
23927 * varasm.c (assemble_start_function): Remove the function
23928 from the pending weak decls list when we define a function.
23929 (assemble_variable): Similarly for variables.
23930 (weak_finish): Ignore items on the list with a NULL name.
23931 (remove_from_ending_weak_list); New function to "remove" an item
23932 from the pending weak declarations list.
23934 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
23936 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
23938 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
23940 * c-lex.c (GETC): Redefine to call getch.
23941 (UNGETC): Redefine to call put_back.
23942 (putback_buffer): New structure type.
23943 (putback): New static structure.
23944 (getch): New function.
23945 (put_back): New function.
23946 (yylex): Replace unused bytes from bad multibyte character.
23948 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
23950 * cpplib.c (do_define): Cast `alloca' return value.
23951 (do_include, do_undef, do_pragma): Likewise.
23952 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
23954 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
23955 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
23957 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
23959 * sparc.md (abstf2): This should be an expand.
23960 (split after abstf2_notv9): Fix mode.
23961 (abstf2_hq_v9): New pattern.
23962 (abstf2_v9): Only use when no hard quad.
23963 (absdf2_v9): Fix if target is not the same as source.
23964 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
23965 Add correct output constraints.
23967 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
23969 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
23970 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
23972 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
23974 * mips.h (mips_output_conditional_branch): New function.
23975 (mips_adjust_insn_length): Likewise.
23976 (ASSEMBLER_SCRATCH_REGNUM): New macro.
23977 (ADJUST_INSN_LENGTH): Likewise.
23978 * mips.c (print_operand): Add `F' and `W' for floating-point
23979 comparison opcodes.
23980 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
23982 (mips_adjust_insn_length): New function.
23983 (mips_output_conditional_branch): New function.
23984 * mips.md (length): Adjust attribute definition to handle
23985 conditional branches. Change lengths to bytes, rather than
23986 instructions throughout. Remove length attribute from
23987 instructions whose length is four bytes, and rely on the default
23989 (dslot): Fix typo in comment.
23990 Reword conditional branch patterns to use
23991 mips_output_conditional_branch.
23993 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
23995 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
23996 (LIB_SPEC): Likewise.
23997 Link with -lprof1_r for -g/-pg.
23999 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24001 * loop.c (check_dbra_loop): Fix change of Jan 19.
24003 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
24005 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
24006 (STARTFILE_SPEC): Define, override the svr4.h version.
24007 (ENDFILE_SPEC): Likewise.
24009 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
24011 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
24012 * fixinc/fixincl.x: Regenerated.
24013 * fixinc/inclhack.sh: Regenerated.
24015 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24017 * sh.c (barrier_align): Don't return early for normal branch/barrier
24018 when optimizing for SH2.
24020 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
24022 * i386/udk.h (LINK_SPEC): Correct linker search path for
24025 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24027 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
24028 (braf_label_ref_operand): Delete.
24029 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
24030 * sh.md (casesi_jump_2): Operand1 is now the inside of a
24031 label_ref, and has no predicate.
24032 The patten has a predicate to guard against invalid substitutions.
24033 (dummy_jump): Delete.
24034 (casesi): Update use of casesi_jump_2.
24036 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24038 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
24039 *fixinc/fixincl.x: regenerate
24040 *fixinc/inclhack.sh: regenerate
24042 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
24044 * dwarf2out.c (add_incomplete_type): New fn.
24045 (gen_struct_or_union_type_die): Call it.
24046 (retry_incomplete_types): New fn.
24047 (dwarf2out_finish): Call it.
24049 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
24051 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
24052 current block starts with a CODE_LABEL and ends with a CALL and
24053 we can not find all the argument setup instructions for the CALL.
24055 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
24057 Revert this change:
24058 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
24059 something is a candidate for optimize_bit_field_compare.
24061 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24063 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
24065 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
24067 * alpha.c (override_options): Thinko in last patch.
24069 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
24070 (LIB_SPEC): Recognize -pthread.
24072 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
24074 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
24075 definition in config/arm/coff.h
24076 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
24078 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24080 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
24081 fixes that need "file=xxx\n" prepended before invocation
24082 (start_fixer - new): starting the fixer process is complex enough
24083 to warrent its own routine. It prepends the "file=xxx\n" stuff.
24084 (process): uses the new routine; omit usage of putenv()
24085 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
24086 * fixinc/fixincl.x: regenerate
24088 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
24090 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
24091 and version #s (1.1 -> 2.96) as needed.
24092 * README.g77: Kill way out of date file in the toplevel directory.
24094 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
24096 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
24097 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
24098 * configure: Rebuilt.
24099 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
24100 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
24101 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
24102 (SWITCH_TAKES_ARG): Likewise.
24103 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
24104 * config/t-freebsd: Moved from config/i386/ so it can used for all
24107 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
24109 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
24111 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
24113 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
24114 * configure: Rebuilt.
24116 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
24118 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
24119 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
24120 * rs6000/rs6000.c (rs6000_file_start): Use putc.
24121 (rs6000_output_load_toc_table): Same.
24122 (output_prolog, output_mi_thunk): Same.
24123 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
24124 (ASM_GLOBALIZE_LABEL): Use putc.
24126 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
24128 * alpha.md (reload_*_help): New patterns and splitters.
24129 (reload_*): Use them.
24130 (mov[qh]i): Likewise.
24132 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
24134 * cccp.c (handle_directive): Handle backslash-newlines in quoted
24137 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
24139 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
24141 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
24143 * flow.c (mark_regs_live_at_end, insn_dead_p,
24144 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
24145 and HARD_FRAME_POINTER_REGNUM special treatment if reload
24146 hasn't run or the frame pointer is needed.
24147 * haifa-sched.c (attach_deaths): Likewise.
24148 * sched.c (attach_deaths): Likewise.
24150 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
24152 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
24153 calculate_can_reach_end returns nonzero.
24155 * configure.in (native gas tests): Search for an assembler in the
24156 same manner that the installed compiler will.
24157 * configure: Rebuilt.
24158 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
24160 * alias.c (find_base_term): Improve handling of addresses
24161 constructed from binary operations.
24163 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
24165 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
24167 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
24169 * function.h (cleanup_label, frame_offset): Declare.
24170 (tail_recursion_label, tail_recursion_reentry): Likewise.
24171 (arg_pointer_save_area, rtl_expr_chain): Likewise.
24172 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
24173 (tail_recursion_label, tail_recursion_reentry): Likewise.
24174 (arg_pointer_save_area, rtl_expr_chain): Likewise.
24176 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
24178 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
24180 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
24181 (MAX_OFILE_ALIGNMENT): Define.
24183 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
24185 * fixincl.c: Replace local include scheme with #includes of
24186 gansidecl.h and system.h.
24187 * procopen.c: Likewise.
24188 * server.c: Likewise.
24190 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
24192 * i386/t-dgux (EXTRA_PARTS): Add crti.o
24193 (crti.o): Add build rule and dependencies.
24194 * fixinc/fixinc.dgux: Use modified _int_varargs.h
24196 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24198 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
24199 (LIB_LINUX_SPEC): Likewise.
24200 (LIB_LINUX_SPEC): Add support for -pthread
24201 (CPP_OS_LINUX_SPEC): Likewise.
24202 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
24205 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
24207 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
24209 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
24210 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
24211 for IEEE math and CC_FCOMI.
24212 (put_jump_code): No IEEE if CC_FCOMI is set.
24214 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24216 * fold-const.c (fold_truthop): Make the field reference unsigned
24217 when converting a single bit compare.
24219 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24221 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
24223 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
24225 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
24226 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
24229 * reload.c (push_reload): Do not call remove_address_replacements
24230 when presented with identical optional reloads.
24232 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
24234 * alpha.h (MASK_FIX, TARGET_FIX): New.
24235 (MASK_*): Reorganize constants.
24236 (CPP_AM_FIX_SPEC): New.
24237 (TARGET_SWITCHES): Add FIX.
24238 (EXTRA_SPECS): Likewise.
24239 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
24240 (SECONDARY_MEMORY_NEEDED): Likewise.
24241 (REGISTER_MOVE_COST): Likewise.
24242 * alpha.c (override_options): Add FIX support. Always use
24243 ALPHA_TP_PROG for ev6.
24244 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
24245 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
24246 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
24248 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
24250 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
24251 something is a candidate for optimize_bit_field_compare.
24253 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
24255 * gcc.texi (Passes): Document branch-shortening.
24256 * invoke.texi (Debugging Options): Document the fact that `-dp'
24257 outputs length information for instructions.
24259 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
24261 * flow.c: Revert previous delta.
24263 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
24265 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
24266 FRAME_POINTER_REGNUM.
24267 (mark_set_1): Ditto.
24268 (mark_used_regs): Ditto.
24270 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
24272 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
24273 (GOT_PCREL): New macro. Define to 1 if not already defined.
24274 * arm/elf.h (GOT_PCREL): Define to 0.
24275 * arm.c (arm_finalize_pic): Take into account the setting of
24278 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
24280 * output.h (STRIP_NAME_ENCODING): Provide default definition.
24281 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
24283 * flow.c (mark_set_1): Do not record BLKmode stores as dead
24284 store elimination candidates.
24286 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
24288 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
24291 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
24293 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
24294 Add use of x-aix41-gld.
24296 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
24298 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
24299 (ASM_OUTPUT_DESTRUCTOR): Define.
24301 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
24303 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
24304 last CODE_LABEL in a loop if we have previously passed a jump
24305 to the top of the loop.
24307 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
24309 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
24310 applying Philip's patch.
24312 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
24314 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
24317 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
24319 * loop.c (strength_reduce): Grow reg_single_usage as needed.
24321 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
24323 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
24324 Also remove a useless comment.
24326 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24328 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
24330 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
24332 * collect2.c (main): Only generate import or export file and add
24333 to link arguments if non-empty. Use xmalloc not alloca.
24334 (write_{export,import}_file): Delete.
24335 (write_aix_file): New function.
24336 (locatelib): Use xmalloc not malloc.
24337 (GCC_OK_SYMBOL): Do not check type if aix64.
24339 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
24341 Based on patch by Scott Bambrough and Pat Beirne:
24342 * config/arm/arm.c (making_const_table): New variable.
24343 * config/arm/arm.h (making_const_table): Declare.
24344 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
24346 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
24347 Keep track of when we are building the constant table.
24349 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
24351 * config/arm/arm.c (arm_override_options): Fix erroneous warning
24354 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
24356 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
24359 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
24361 * tm.texi (FUNCTION_ARG): Correct description of a stack element
24364 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
24366 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
24368 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24370 * rs6000.c (output_mi_thunk): Enable full support again.
24372 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24374 * sh.h (BRANCH_COST): Define.
24376 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
24378 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
24380 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
24382 * function.c (assign_stack_local): Align stack slot propertly.
24383 (assign_outer_stack_local): Likewise.
24385 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
24387 * expr.h (lang_expand_constant): Declare.
24388 * toplev.c (lang_expand_constant): Define it.
24389 * varasm.c (output_constant): Use it.
24391 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24393 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
24394 Change function definitions to K&R style.
24396 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24398 * fixinc/fixincl.c: We must not ignore SIGCLD now.
24400 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
24402 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
24403 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
24404 (several places): omit static initialization
24405 (process): use single fd, since only the read fd is used
24406 * fixinc/gnu-regex.c: define 'const' away, if not supported
24407 * fixinc/procopen.c(several places): omit static initialization
24408 * fixinc/server.c: define 'volitile' away, if not supported
24410 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24412 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
24413 asm_fprintf and %L to generate the label name.
24414 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
24415 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
24417 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
24419 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
24420 insn for a conditional jump can not be found.
24422 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
24424 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
24425 on variables in specific sections other than .sbss and .sdata.
24427 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
24429 * stmt.c (expand_return): Call start_cleanup_deferral and
24430 end_cleanup_deferral around conditional code.
24432 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24434 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
24435 filename lists. Utilizes new "krstr" AutoGen function.
24436 * fixinc/fixincl.x: Rebuilt.
24438 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
24440 * i386.c (output_float_compare): Avoid GNU-C extensions.
24442 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
24444 * version.c: Bump to distinguish mainline tree from the
24447 See ChangeLog.1 for earlier changes.