1 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
3 * c-decl (finish_struct): Change type of min_align to unsigned.
5 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
6 remove unused variable len.
8 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
9 comment indicating this is proper behaviour.
10 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
12 (based_loc_descr): Likewise.
14 * enquire.c (bitpattern): Change type of variable i to unsigned.
16 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
18 * flow.c (life_analysis): Change type of variable i to size_t;
19 remove unused variable insn.
21 * gcc.c (translate_options): Change type of variables optlen, arglen and
23 (input_filename_length): Change type to size_t.
24 (do_spec_1): Change type of variable bufsize to size_t.
25 (main): Change type of variables i and j to size_t;
26 remove subblock local definition of variable i.
27 (lookup_compiler): Change type of second argument to size_t;
28 change type of variable i to size_t.
30 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
32 * genopinit.c (get_insn): Change type of variable pindex to size_t.
34 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
36 * global.c (global_alloc): Change type of variable i to size_t.
38 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
40 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
41 (expand_end_case): Change type of variable count to size_t.
43 * toplev.c (main): Change type of variable j to size_t.
44 (set_target_switch): Change type of variable j to size_t.
45 (print_switch_values): Change type of variable j to size_t;
46 remove unused variable flags.
48 * varasm.c (assemble_variable): Change type of variable align to size_t.
49 (const_hash_rtx): Change type of variable i to size_t.
51 1998-03-11 Mark Mitchell <mmitchell@usa.net>
53 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
54 TREE_VEC if that's what it really is.
56 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
58 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
61 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
63 * gthr.h: Changed the comment about return values.
64 * gthr-solaris.h (__gthread_once): Do not use errno; return the
65 error number instead of -1.
66 (__gthread_key_create): Any non-zero return value is an error.
67 * libgcc2.c (eh_context_initialize): Check for non-zero return
68 value from __gthread_once.
69 Check that the value of get_eh_context was really changed.
71 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
73 * sh.h (LOOP_ALIGN): Only align when optimizing.
74 * sh.c (find_barrier): Clear inc for CODE_LABELs.
75 When not optimizing, calculate alignment for BARRIERs directly.
77 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
79 * final.c (shorten_branches): Remove conditionalizing on
80 SHORTEN_WITH_ADJUST_INSN_LENGTH
81 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
83 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
85 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
86 an unconditional jump around deleted blocks.
88 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
90 * profile.c (branch_prob): If see computed goto, call fatal instead of
93 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
95 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
96 Patch from Bruno Haible.
98 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
99 (assign_parms): Set aggregate if hide_last_arg and last_named.
101 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
103 * final.c (shorten_branches): Initialize insn_addresses.
105 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
107 * sh.h (MUST_PASS_IN_STACK): Define.
109 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
111 * final.c (shorten_branches): Fix minor logic error in
112 ADDR_DIFF_VEC shortening support.
114 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
116 * version.c: Bump for snapshot.
118 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
120 * haifa-sched.c (is_cfg_nonregular): Change return type to
121 an int. No longer compute "estimated" number of edges. Use
122 computed_jump_p instead of duplicating the code. Fixup/add
124 (build_control_flow): Returns a value indicating an irregularity
125 in the cfg was detected. Count the number of edges in the cfg.
126 allocate various edge tables.
127 (find_rgns): No longer look for unreachable blocks.
128 (schedule_insns): Do not allocate memory for edge tables here.
129 Free memory for edge tables before returning. Do not perform
130 cross block scheduling if build_control_flow returns nonzero.
131 * flow.c (compute_preds_succs): More accurately determine when
134 * basic-block.h (free_basic_block_vargs): Provide prototype.
136 * cccp.c (main): Fix dumb mistakes in last change.
138 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
140 * rtl.h (addr_diff_vec_flags): New typedef.
141 (union rtunion_def): New member rt_addr_diff_vec_flags.
142 (ADDR_DIFF_VEC_FLAGS): New macro.
144 * sh.c (output_branch): Fix offset overflow problems.
146 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
147 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
148 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
149 * stmt.c (expand_end_case): Supply new arguments to
150 gen_rtx_ADDR_DIFF_VEC.
151 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
152 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
153 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
154 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
155 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
156 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
157 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
158 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
159 * i386/freebsd.h, i386/linux.h : Likewise.
160 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
161 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
162 * m68k/mot3300.h, m68k/sgs.h : Likewise.
163 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
164 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
165 (CASE_VECTOR_SHORTEN_MODE): Define.
166 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
167 (med_branch_p, braf_branch_p): Don't declare.
168 (mdep_reorg_phase, barrier_align): Declare.
169 (ADJUST_INSN_LENGTH): Remove alignment handling.
170 * sh.c (uid_align, uid_align_max): Deleted.
171 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
172 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
173 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
174 (output_far_jump): Don't use braf_branch_p.
175 (output_branchy_insn): Don't use branch_offset.
176 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
177 Remove paired barrier stuff.
178 Don't use cache_align_p.
179 Take alignment insns into account.
180 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
182 (barrier_align, branch_dest): New function.
183 (machine_dependent_reorg, split_branches): Remove infrastructure
184 for branch shortening that is now provided in the backend.
185 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
186 (braf_branch_p, braf_cbranch_p): Likewise.
187 (attribute length): Use new attributes.
188 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
189 (addr_diff_vec_adjust): Delete.
190 (align_2): Now a define_expand.
191 (align_log): Now length 0.
193 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
195 * m32r.md (right): Correctly check for length == 2, not 1.
197 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
199 * mips/mips.h: Prototype `machine_dependent_reorg'.
200 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
202 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
204 * final.c (shorten_branches): Restore accidentally removed code.
206 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
208 * configure.in: Remove duplicate uses of AC_PROG_CC and
211 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
213 * configure.in (target_cpu_default2): Correct typo for alphapca56.
215 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
216 Doug Evans (devans@cygnus.com)
218 * haifa-sched.c (build_jmp_edges): Delete dead function.
219 (build_control_flow): Use cfg routines from flow.c
220 (schedule_insns): Remove debugging code accidentally checked
223 * basic-block.h: Add external integer list structures, typdefs,
224 accessor macros and function declarations. Simlarly for
225 basic block pred/succ support and simple bitmap stuff.
226 * flow.c: Add functions for integer list, basic block pred/succ
227 support and simple bitmap support.
228 (compute_dominators): New function to compute dominators and
230 (find_basic_blocks): Split into two functions.
231 (life_analysis): Likewise.
232 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
233 the life_analysis from toplev.c
234 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
235 life_analysis instead of flow_analysis.
237 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
239 * jump.c (jump_optimize): Call mark_jump_label also for deleted
241 (mark_jump_label): Don't increment ref counts for deleted insns.
243 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
245 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
247 * mips/mips.c: Include stdlib.h and unistd.h.
248 (mips_asm_file_end): Add braces around empty body in an if-statement.
249 (function_prologue): Wrap variable `fnname' in
250 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
251 (mips_select_rtx_section, mips_select_section): Declare as void.
253 * mips/mips.h: Add prototypes for extern functions in mips.c.
254 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
255 (ENCODE_SECTION_INFO): Add braces around empty body in an
258 * mips/mips.md (movdi): Add parentheses around && within ||.
259 (movsf, movdf): Likewise.
260 (branch_zero, branch_zero_di): Add default case in
264 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
266 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
267 real constants, since they can't be changed.
268 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
269 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
270 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
271 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
272 * alpha/vms.h (TARGET_OPEN_VMS): New.
273 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
275 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
277 * reload.c (find_reloads): Always force (subreg (mem)) to be
278 reloaded if WORD_REGISTER_OPERATIONS.
280 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
282 * haifa-sched.c (free_list): Rename from free_pnd_lst.
283 (free_pending_lists): Rename free_pnd_lst uses.
284 (remove_dependence): Place expunged element on unused_insn_list.
285 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
286 gen_rtx_*_LIST and alloc_rtx to use them.
287 (compute_block_backward_dependences): Free the reg_last_* lists.
289 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
291 * cccp.c (main): Avoid undefined behavior when setting pend_includes
294 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
296 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
297 USE_GNULIBC_1 is defined
298 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
299 includes the t-linux-gnulibc1 fragment
301 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
303 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
305 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
307 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
309 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
311 * final.c (shorten_branches): Tag the loop alignment onto the
312 first label after NOTE_INSN_LOOP_BEG even if there is an
315 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
317 * final.c (insn_current_reference_address):
318 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
319 proper alignment chain.
321 * final.c (max_labelno): New static variable.
322 (final_scan_insn): Check max_labelno before outputting an
323 alignment for a label.
324 (shorten_branches): Remove unused variable length_align.
326 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
328 * sparc.c (ultrasparc_adjust_cost): Add default case in
331 * sparc.h: Add prototypes for extern functions defined in
334 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
336 * toplev.c: Only generate <name>.dbr file when dumping RTL if
337 DEALY_SLOTS is defined.
339 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
341 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
342 in call to fill_slots_from_thread.
344 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
346 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
347 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
349 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
351 * final.c (insn_last_address, insn_current_align, uid_align):
353 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
354 (insn_current_reference_address): Likewise.
355 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
356 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
357 (label_to_alignment): New function.
358 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
359 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
360 insn_current_reference_address instead of insn_current_address.
361 (or_attr_value, write_length_unit_log): New functions.
362 (main): Call write_length_unit_log.
363 (write_const_num_delay_slots): Output extra '\n'.
364 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
366 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
367 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
368 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
370 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
371 (LABEL_ALIGN_AFTER_BARRIER).
372 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
373 * ns32k/tek6000.h: Likewise.
374 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
375 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
376 ASM_OUTPUT_ALIGN_CODE.
378 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
380 * version.c: Bump for snapshot.
382 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
384 * version.c: Bump for snapshot.
386 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
388 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
389 if condition code of jump conflicts with opposite_needed.
391 * reorg.c (fill_slots_from_thread): Mark resources referenced in
392 opposite_needed thread. Return delay_list even when cannot get
393 any more delay insns from end of subroutine.
395 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
397 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
400 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
402 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
403 end_fde_sort): New functions for fast sorting of an FDE array.
404 (fde_insert): Simplified.
405 (add_fdes): Change argument list.
406 (frame_init): Use the new functions.
408 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
410 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
412 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
414 * fold-const.c (fold_range_test): Always return a value.
416 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
418 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
419 data in the text section unless READONLY_DATA_SECTION is defined.
421 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
423 * c-parse.in (undeclared variable error): Tweak error message to
426 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
428 * version.c: Bump for snapshot.
430 1998-02-28 Mark Mitchell <mmitchell@usa.net>
432 * final.c (final_scan_insn): Undo overzealous removal of `set'.
434 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
436 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
437 case, add parentheses to specify the proper order of precedence in
441 * c-aux-info.c: Include string.h/strings.h.
443 * pa.c: Include stdlib.h.
444 (pa_combine_instructions): Prototype the function.
445 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
446 (reloc_needed): Add default case for enumeration switch.
447 (remove_useless_addtr_insns): Remove unused variable `all'.
448 (hppa_expand_prologue): Add explicit braces to avoid
450 (output_function_epilogue): Remove unused variable `i'.
451 (output_millicode_call): Remove unused variable `link'.
452 (shadd_constant_p, forward_branch_p): Make the function static.
453 (following_call): Explicitly declare to return int.
454 (pa_reorg): Declare as void.
455 (pa_combine_instructions): Declare as static void. Add
456 parentheses around && within ||.
458 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
459 following_call, function_label_operand, lhs_lshift_cint_operand
462 * pa.md: Add parentheses around && within ||.
464 * cppalloc.c: Include stdlib.h.
466 * cpperror.c (cpp_print_containing_files): Remove unused variable
467 `i'. Fix format specifier in fprintf.
469 * cse.c (cse_around_loop): Add explicit braces to avoid
471 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
473 * expr.c (expand_expr): Add parentheses around && within ||.
475 * final.c (app_enable): Replace fprintf with fputs where there are
476 no format specifiers and no trailing argument after the string.
477 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
478 (app_disable): Likewise.
479 (final_end_function): Likewise.
480 (final_scan_insn): Likewise. Remove unused variable `set'.
481 (profile_function): Wrap empty if-statement body in {} brackets.
483 * function.c: Include stdlib.h.
484 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
485 (reposition_prologue_and_epilogue_notes): Add parentheses
486 around assignment used as truth value.
488 * integrate.c (expand_inline_function): Wrap variable
489 `cc0_insn' in macro HAVE_cc0.
491 * jump.c (jump_optimize): Wrap variable `q' in macro
492 HAVE_cc0. Remove unused variable `prev1'.
494 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
495 within ||. Fix format specifier in fprintf.
496 (__bb_init_prg): Add parentheses around assignment used as
499 * local-alloc.c: Include stdlib.h.
500 (requires_inout): Add parentheses around assignment used
503 * loop.c (analyze_loop_iterations): Wrap prototype and definition
504 in macro HAVE_decrement_and_branch_on_count.
505 (insert_bct, instrument_loop_bct): Likewise.
506 (move_movables): Add parentheses around assignment used as
508 (consec_sets_invariant_p): Likewise.
509 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
511 * objc/objc-act.c: Include stdlib.h.
512 (lookup_method_in_protocol_list): Wrap empty else-statement body
514 (lookup_protocol_in_reflist): Likewise.
515 (objc_add_static_instance): Remove unused variables `decl_expr'
517 (get_objc_string_decl): Remove unused variable `decl'.
518 (generate_static_references): Remove unused variables `idecl' and
520 (check_protocols): Wrap empty else-statement body in braces.
522 * protoize.c: Include stdlib.h.
523 (substr): Add parentheses around assignment used as truth value.
525 (shortpath): Likewise.
527 * regmove.c (fixup_match_1): Add parentheses around assignment
530 * reload.c (push_secondary_reload): Remove unused variable `i'.
531 (find_reloads): Add parentheses around assignment used as truth
534 * reload1.c: Include stdlib.h.
536 * rtl.h: Correct typo in prototype of offsettable_memref_p.
538 * stmt.c (add_case_node): Add parentheses around assignment used
540 (case_tree2list): Likewise.
542 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
543 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
544 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
545 (merge_attributes): Add explicit braces to avoid ambiguous
548 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
551 * varasm.c: Include stdlib.h.
554 * system.h: Remove sys/stat.h.
555 * gcc.c: Add sys/stat.h.
557 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
558 * genattrtab.c: Likewise.
559 * genconfig.c: Likewise.
560 * genemit.c: Likewise.
561 * genextract.c: Likewise.
562 * genflags.c: Likewise.
563 * genopinit.c: Likewise.
564 * genoutput.c: Likewise.
565 * genpeep.c: Likewise.
566 * genrecog.c: Likewise.
567 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
569 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
571 * invoke.texi: Use @itemx for a secondary item in a @table.
573 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
576 1998-02-26 Ken Raeburn <raeburn@cygnus.com>
578 * regclass.c (init_reg_sets): Move init of move cost tables...
579 (init_reg_sets_1): ...to here.
581 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
583 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
585 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
587 * i386.c (struct machine_function): Add new fields for PIC stuff.
588 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
590 (restore_386_machine_status): Corresponding changes.
591 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
593 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
595 * c-parse.y (undeclared variable error): Tweak error message
598 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
600 * flags.h (g_switch_value, g_switch_set): Declare.
601 * alpha.c (override_options): Set g_switch_value=8 if not set.
602 * alpha/elf.h (CC1_SPEC): New.
604 (LINK_SPEC): Pass along the -G value we were given.
605 (LOCAL_ASM_OP): Remove.
606 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
607 (MAX_OFILE_ALIGNMENT): New.
608 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
609 (EXTRA_SECTIONS): Add sbss and sdata.
610 (SECTION_FUNCTION_TEMPLATE): New.
611 (EXTRA_SECTION_FUNCTIONS): Use it.
612 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
613 (SELECT_SECTION): Use sdata when small enough.
614 * alpha/linux.h (ASM_SPEC): Remove.
617 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
618 * config.sub (sco5): Fix typo.
620 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
622 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
624 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
625 * config/alpha/t-linux: Remove file.
626 * config/sparc/t-linux: Remove file.
627 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
628 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
629 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
631 (alpha*-*-linux-gnu*): Likewise.
632 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
633 (sparc-*-linux-gnu*): Likewise.
635 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
636 * collect2.c (ldd_file_name): Bracket declaration with same
638 (full_real_ld_suffix): Deleted. Variable was calloced and
639 written into, but never read.
641 1998-02-23 Mike Stump <mrs@wrs.com>
643 * configure.in: Add support for i386-wrs-vxworks configuration.
644 * i386/vxi386.h: New file.
646 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
648 * tree.c (contains_placeholder_p): Ensure function always returns
650 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
651 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
653 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
655 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
657 1998-02-22 Paul Eggert <eggert@twinsun.com>
659 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
660 Define this new symbol.
661 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
662 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
663 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
665 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
667 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
668 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
670 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
672 * objc/Object.m (-error): Call objc_verror with our va_list.
674 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
676 * collect2.c (scan_prog_file): Completely cover uses of variable
677 `exports' with macro COLLECT_EXPORT_LIST.
679 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
681 * version.c: Bump for snapshot.
683 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
685 * sched.c (schedule_block): Remove code to get arguments from hard
686 regs into pseudos early. Same as Aug 25, 1997 change to
689 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
691 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
693 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
695 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
696 continuation character (line 243).
698 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
700 * genrecog.c (main): Remove duplicated sentence in emitted comment.
702 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
703 David Edelsohn <edelsohn@mhpcc.edu>
705 * collect2.c (XCOFF_SCAN_LIBS): Remove.
706 (export_flag): New variable.
707 (export_file): #ifdef COLLECT_EXPORT_LIST.
708 (import_file, exports, imports, undefined): New variables.
709 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
710 (dump_list, dump_prefix_list, is_in_list): New functions.
711 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
712 (write_import_file, resolve_lib_name): New functions.
713 (use_import_list, ignore_library): Same.
714 (collect_exit): maybe_unlink import_file and #ifdef.
716 (main): New variable importf, #ifdef exportf. Move parsing of
717 -shared before general argument parsing. Resolve AIX library
718 paths and import libgcc.a symbols. Treat .so shared libraries the
719 same as objects and .a libraries. Create alias for object_lst and
720 increment it instead of original pointer. Scan AIX libraries as
721 objects earlier instead of using scan_libraries. Perform AIX
722 tlink later to resolve templates instead of forking ld.
723 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
724 (GCC_UNDEF_SYMBOL): New macro.
725 (scan_prog_file): Loop for members of AIX libraries. Handle
726 export/import of ctors/dtors.
727 (aix_std_libs): New variable.
728 (scan_libraries, XCOFF): Delete.
730 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
732 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
734 1998-02-19 Mike Stump <mrs@wrs.com>
736 * Makefile.in: Use $tooldir for sys-include to match toplevel
739 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
740 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
742 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
744 * emit-rtl.c (hard-reg-set.h): Include.
745 (get_lowpart_common): Don't make new REG for hard reg in a
746 class that cannot change size.
747 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
749 * combine.c: Revert previous patch.
751 1998-02-19 Paul Eggert <eggert@twinsun.com>
753 * config/sparc/sol2-sld.h: New file.
754 * configure.in (sparc-*-solaris2*): Use it when using the
757 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
759 * loop.c (force_movables): Fix typo.
761 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
763 * m88k.h: Change file pattern to match reality.
765 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
767 * varasm.c (output_constant_pool): Fix dumb thinko in last
770 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
771 a function name to a section name.
773 1998-02-18 Doug Evans <devans@cygnus.com>
775 * tree.h (merge_machine_{type,decl}_attributes): Declare.
776 (split_specs_attrs, strip_attrs): Add prototypes.
777 * tree.c (merge_machine_{type,decl}_attributes): New functions.
778 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
779 Update olddecl's attributes too.
780 * c-common.c (strip_attrs): New function.
781 * c-typeck.c (common_type): Call merge_machine_type_attributes.
782 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
783 (make_decl_rtl): Likewise.
785 1998-02-18 Jim Wilson <wilson@cygnus.com>
787 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
789 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
791 Remove this change until we can fix it correctly.
792 * collect2.c: Bracket declaration of 'exportf' and
793 'full_real_ld_suffix'.
795 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
797 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
799 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
801 * c-common.c (c_expand_start_cond, c_expand_end_cond,
802 c_expand_start_else): Don't warn about non-ambiguous else even if
805 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
807 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
808 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
811 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
813 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
814 simplifying a subreg of a hard reg.
815 (expand_compound_operation): Likewise.
816 (force_to_mode): Likewise.
818 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
820 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
821 (lshift_double): Add parentheses around + or - inside shift.
822 (rshift_double): Likewise.
823 (size_int_wide): Explicitly set type of `bit_p' to `int'.
825 * Makefile.in (fold-const.o): Depend on system.h.
827 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
830 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
831 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
832 (sched_note_set): Remove unused parameter `b', all callers changed.
833 (schedule_block): Likewise for `rgn'.
834 (split_hard_reg_notes): Likewise for `orig_insn'.
835 (check_live): Likewise for `trg'.
836 (update_live): Likewise.
837 (check_live_1): Explcitly declare variable `i' as int.
838 (update_live_1): Likewise.
839 (insn_issue_delay): Remove unused variable `link'.
840 (sched_analyze_2): Add default case in enumeration switch.
841 (schedule_insns): Remove unused variable `i'.
843 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
845 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
847 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
848 a dangling else clause.
850 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
852 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
853 pointer for the stack pointer in MIPS16 and 64BIT.
855 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
857 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
858 * emit-rtl.c (force_line_numbers, restore_line_number_status):
860 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
861 (expand_start_case): Adjust to this change.
862 (check_seenlabel): New function.
863 (pushcase, pushcase_range, expand_endcase): Use it.
865 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
867 * i386.md (adddi3): Add =!r,0,0,X alternative.
869 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
871 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
872 * x-aix31 (INSTALL): Delete.
874 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
876 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
877 tsize changes to something other than zero.
879 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
881 * ginclude/va-mips.h: Replace casts of pointers to int with
882 casts of pointers to __PTRDIFF_TYPE__.
884 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
886 * loop.c (strength_reduce, record_biv, record_giv): Use
887 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
889 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
891 * tree.c (first_rtl_op): New fn.
892 (unsave_expr_now): Use it.
893 * print-tree.c (print_node): Likewise.
894 * tree.c (has_cleanups): New fn.
895 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
896 conservative about pushing the cleanup point down.
897 * tree.h: Declare them.
899 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
901 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
902 (flag_schedule_reverse_after_reload): Likewise.
903 (f_options): Remove reverse scheduling support.
904 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
905 (flag_schedule_reverse_after_reload): Likewise.
906 * haifa-sched.c (rank_for_schedule): Remove support for reverse
909 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
911 * gcc.c: Get system includes, prototypes and macros via "system.h"
912 instead of doing it manually. Change all calls of the ctype
913 macros to custom versions defined in "system.h".
915 * system.h: Fix return type of bcmp prototype from `void' to `int'.
916 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
917 Add a prototype for getenv.
919 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
921 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
923 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
925 * alias.c: Include <stdlib.h> and <string.h>.
926 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
928 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
930 * version.c: Bump for snapshot.
932 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
934 * arm.md (movsfcc): Also validate operands[3] when compiling hard
936 (movdfcc): Only accept fpu_add_operand for operands[3].
938 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
939 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
941 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
943 * varasm.c (output_constant_pool): Bring back 'done' label inside
944 an appropriate #ifdef.
946 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
948 (bitmap_copy, bitmap_operation): Likewise.
949 * combine.c (combinable_i3pat): Similarly for 'src'.
950 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
951 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
952 * regclass.c (copy_cost): Similarly for 'secondary_class'.
953 * reload.c (make_memloc): Simliarly for 'i'.
954 (find_reloads_address_1): Similarly for 'link'.
955 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
956 (emit_reload_insns): Similarly for 'second_reloadreg'.
957 * unroll.c (iteration_info): Similarly for 'v'.
959 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
960 * calls.c (expand_call): Similarly for 'i'.
961 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
962 * fold-const.c (strip_compund_expr): Similarly for 'type'.
963 * function.c (fixup_var_refs_1): Similarly for 'width'.
964 (fixup_memory_subreg): Similarly for 'saved'.
965 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
966 (setjmp_protect): Similarly for 'sub'.
967 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
968 * loop.c (record_giv): Similarly for 'p'.
969 (combine_givs): Similarly for 'temp_iv'.
970 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
971 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
972 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
973 * unroll.c (unroll_loop): Similarly for 'copy'.
974 (iteration_info): Similarly for 'b'.
975 * varasm.c (assemble_string): Similarly for 'i'.
976 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
978 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
980 * dwarf2out.c (decl_scope_node): New type.
981 (decl_scope_table): Change type to use it.
982 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
983 (push_decl_scope): Use new type. New locals containing_scope, i.
984 Add code to handle setting previous field.
985 (scope_die_for): Change type of local i to int. Add code to use
987 (dwarf2out_init): Use new type.
989 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
991 * except.c (emit_throw): Lose throw_used.
993 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
995 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
997 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
999 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
1001 * genextract.c (main): Fix typo.
1003 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
1005 * c-lang.c (finish_file): Bracket declaration of static_ctors,
1008 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
1009 'old_stack_arg_under_construction'
1010 (emit_library_call): Bracket declaration of 'upper_bound',
1011 'lower_bound', 'i', 'reg_parm_stack_space'
1012 (emit_library_call_value): Likewise.
1015 * collect2.c: include <unistd.h> when appropriate.
1016 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
1018 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
1020 * explow.c (plus_constant_for_output_wide): Remove unused variable
1022 (memory_address): Remove unused variable 'orig_x'.
1024 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
1025 (write_const_num_delay_slots): Remove unused variable 'i'.
1027 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
1028 (gen_insn): Remove unused variable 'obstack_ptr'.
1030 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
1032 (__bb_exit_trace_func): Remove unused variable 'e'.
1034 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
1036 (expand_unop): Remove unused variable 'funexp'.
1037 (expand_complex_abs): Remove unused variable 'funexp'.
1038 (init_optabs): Bracket declaration of 'j'.
1039 (init_complex_libfuncs): Deleted. Dead static function.
1041 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
1043 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
1044 (reg_to_stack): 'initialized', 'before_function_beg'
1045 explictly type as ints instead of defaulting.
1046 (emit_swap_insn): Remove unused variable 'i2'.
1047 (compare_for_stack_reg): Remove unused variable 'src_note'.
1049 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
1051 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
1053 * stmt.c (add_case_node): Add parens for assignment used as truth.
1054 (all_cases_count): Remove unused variable 'count_high'.
1055 (mark_seen_cases): Remove unused variable 'i'.
1056 (check_for_full_enumeration_handling): Remove unused variable 't'.
1057 Bracket declaration of 'all_values', 'l'.
1059 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
1061 * varasm.c (assemble_string): Remove unused variable 'i'.
1062 (immed_double_const): Remove unused variable 'in_current_obstack'.
1063 (immed_real_const_1): Likewise.
1064 (output_constant_pool): Remove unreferenced label 'done'.
1065 (output_constant): Remove unused variable 'x'.
1067 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
1070 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
1073 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1075 * combine.c (can_combine_p): Handle USEs in PARALLELs.
1077 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
1079 * config/linux.h (LIB_SPEC): Add -lc for -shared if
1080 USE_GNULIBC_1 is not defined.
1081 * config/sparc/linux.h; Ditto.
1083 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
1085 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
1086 USE_GNULIBC_1 is not defined.
1088 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1090 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
1093 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1095 * system.h: New file to get common systems includes and various
1096 definitions and declarations based on autoconf macros.
1098 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
1100 * cccp.c (new_include_prefix): Correctly handle -I./.
1102 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
1104 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
1106 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
1108 * expr.c (expand_assignment): Correct typo exposed by -Wall.
1109 offset should have been a truth value, not an assignment.
1111 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
1113 * cse.c (delete_dead_from_cse): If a libcall produces a constant
1114 result and that result can be substituted into SET_SRC of the
1115 insn with the REG_RETVAL note, then perform the substitution
1116 and delete the libcall.
1118 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
1120 * mips.md (trucndihi2,truncdiqi2): Change these to support
1123 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
1125 * mips/mips.c (movdi_operand): Direct referances to symbols
1126 that arn't mips16 consts in mips16 mode arn't valid operands.
1128 * mips/mips.c (mips_move_2words): Add gprel handling.
1130 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
1132 * mips.md (extendsidi2): Allow extension to/from a non-mips16
1135 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
1137 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
1140 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1142 * Makefile.in (WARN_CFLAGS): New variable.
1143 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
1145 1998-02-11 Mark Mitchell <mmitchell@usa.net>
1147 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
1148 falling through default case in switch.
1149 (i386_aligned_p): Likewise.
1151 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
1153 * mips/mips.h (mips_abi_string): Correct typo in comment.
1155 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
1157 * mips/mips.md (movdi): These PLUS's need to be Pmode.
1159 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1161 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
1162 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
1163 indirectly via expr.h.
1165 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
1167 * stor-layout.c (layout_type): Do upper - lower in the native type,
1168 so as to properly handle negative indices.
1170 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
1172 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
1173 (expand_eh_region_start_tree): Remove unused variable 'note'.
1174 (exception_optimize): Remove unused variable 'regions'.
1175 (expand_builtin_eh_stub): Remove unused variable 'temp'.
1176 (copy_eh_entry): Deleted. Dead function.
1178 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
1179 'last' with same #if HAVE_load_multiple as use of it.
1180 (move_block_from_reg): Likewise.
1181 (emit_move_insn_1): Remove unused variable 'insns'.
1182 (store_constructor): Bracket declaration of startb, endb with
1183 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
1184 'target', and 'xtarget'.
1185 (expand_builtin_setjmp): Remove unused variables 'op0',
1186 'next_arg_reg', 'old_inhibit_defer_pop'.
1187 (expand_builtin): Remove unused variable 'offset'.
1188 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
1189 (emit_queue): Add parens for assignment used as conditional.
1190 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
1192 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
1194 * i386.c: Added include for recog.h.
1195 (override_options): Removed unused variable p. Initialized regno to
1197 (order_regs_for_local_alloc): Initialized regno to avoid warning.
1198 (legitimize_address): Likewise for 'other'.
1199 (i386_aligned_reg_p): Added default case with abort ().
1200 (print_operand): Likewise.
1201 (reg_mentioned_in_mem): Likewise.
1202 (ix86_expand_binary_operator): Removed unused variables i & insn.
1203 (ix86_expand_unary_operator): Removed unused variable insn.
1204 (output_fp_cc0_set): Removed unused variable unordered_label.
1206 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
1208 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
1209 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
1210 and format string match.
1212 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
1214 * flow.c (life_analysis): Do not conside the stack pointer live at
1215 the end of a function if the fucntio ncalls alloca.
1216 (mark_used_regs): Similarly.
1218 1998-02-10 John F Carr <jfc@mit.edu>
1220 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
1221 1, fzero on alternative 8.
1223 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1225 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
1227 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1229 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
1230 SUBREGs of CONST_INTs.
1232 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
1234 * mips.c (print_operand, function_prologue): Make printf format
1235 match argument type.
1237 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1239 * alpha.c (alpha_return_addr): Remove unused variable `first'.
1240 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
1241 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
1243 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1245 * loop.c (strength_reduce): When placing increment for auto-inc
1246 case, do comparison in loop order.
1248 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
1250 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
1251 not a HOST_WIDE_INT.
1253 * calls.c (expand_call): Change test of expand_inline_function
1254 return value to stop compiler warning.
1256 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
1258 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
1259 Jeff Law (law@cygnus.com)
1261 * regmove.c: Fix various minor formatting problems.
1262 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
1263 is true. Make end of basic block tests consistent through regmove.c.
1264 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
1265 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
1267 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1269 * gansidecl.h: Check for a conflicting macro definition before
1270 attempting to prototype bcopy, bcmp or bzero.
1272 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
1274 * expr.c (clear_pending_stack_adjust): Handle case where a function
1275 calls alloca, but the user has specified -fomit-fframe-pointer.
1277 * function.c (assign_parms): Fix typo in last change.
1279 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
1281 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
1283 (free_path_suffix): Remove unreferenced static function.
1284 (process_command): Remove unused variable temp.
1285 (default_arg): Remove unused variable i.
1286 (do_spec_1): Add parens for assignment used as truth value.
1288 (validate_all_switches): Likewise.
1289 (main): Remove unused variables i, first_time>
1291 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
1293 * calls.c (expand_call): Remove unused variables funtree,
1294 n_regs, and tmpmode.
1296 * dbxout.c, except.c: Include <string.h>/<strings.h>.
1298 * explow.c: (plus_constant_for_output_wide) Removed unused
1299 variable all_constant.
1301 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
1302 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
1303 genrecog.c, global.c, integrate.c , stupid.c : Include
1306 * genextract.c: (walk_rtx) Remove unused variable link.
1308 * genrecog.c: (concat) Remove unreferenced static function.
1310 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
1312 * stmt.c: Include <stdlib.h>.
1313 (expand_asm_operands): Remove unused variable val1.
1314 (expand_return): Remove unused variable block.
1315 (pushcase): Remove unused variables l and n.
1316 (pushcaserange): Likewise.
1318 * unroll.c (unroll_loop): Remove unused variable temp.
1320 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
1322 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
1324 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1326 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
1327 functions for whether they support the %p format specifier.
1328 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
1329 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
1330 * configure, config.in: Rebuild.
1332 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
1334 * function.c (assign_parms): New variable named_arg, with value
1335 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
1337 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
1339 * mips/t-r3900: New - same as t-ecoff but eliminate
1340 multilibs: mips1 and mips3.
1341 * configure.in (tx39*): Use new mips/t-r3900.
1342 * configure: Rebuild.
1343 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
1345 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
1347 * dwarf2out.c: Add old_args_size.
1348 (dwarf2out_args_size): Use it.
1349 (dwarf2out_begin_prologue): Initialize it.
1350 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
1351 pushed args until we see a call.
1352 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
1353 before outputting them.
1355 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
1357 * cplus-dem.c (demangle_template_template_parm): New function.
1358 (demangle_template): Handle template template parameters.
1360 1998-02-02 Mark Mitchell <mmitchell@usa.net>
1362 * calls.c (expand_call): Don't confuse member functions named
1363 realloc, setjmp, and so forth with the standard library
1364 functions of the same names.
1366 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
1368 * stmt.c (expand_asm_operands): Correctly identify asm statements
1371 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
1373 * c-common.c (decl_attributes): Flag unrecognized attribute
1374 functions as warnings instead of as errors.
1376 1998-02-05 Marc Lehmann <pcg@goof.com>
1378 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
1379 when -Os is specified.
1380 * toplev.c (main): Don't disable flag_inline_functions anymore when
1383 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1385 * regmove.c: Update.
1386 * flags.h (flag_regmove): Declare.
1387 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
1388 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
1389 Moved into regmove; changed caller.
1390 * toplev.c (rest_of_compilation): Call regmove_optimize also for
1391 expensive_optimizations.
1393 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
1395 * version.c: Bump for snapshot.
1397 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1398 Undo this change (the problem was actually in reload):
1399 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1401 * sh.md (movqi_i+1): New peephole.
1403 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
1405 * jump.c (jump_optimize): Lose calls to modified_in_p they are
1406 not needed anymore due to changes elsewhere in jump.c.
1408 * jump.c (jump_optimize): Fix first arg to modified_in_p in
1411 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
1413 * expr.c (expand_builtin_setjmp): Accept two new arguments for
1414 the labels to branch to on first and subsequent executions. Don't
1415 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
1416 and provide it with the jmp_buf. Use only one of
1417 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
1418 and provide the former with the target label.
1419 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
1420 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
1421 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
1422 insn to replace all of the normal nonlocal_goto code. Don't play
1423 with __dummy. Correct arguments to nonlocal_goto.
1424 * expr.h (expand_builtin_setjmp): Update prototype.
1425 * except.c (start_dynamic_handler): When using builtin_setjmp,
1426 generate more accurate flow information.
1428 * alpha.md (nonlocal_goto_receiver_osf): Delete.
1429 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
1430 (builtin_longjmp, builtin_setjmp_receiver): New.
1431 * sparc.md (update_return): Disambiguate unspec number.
1432 (nonlocal_goto): Rearrange arguments to match caller in except.c.
1433 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
1435 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
1436 (builtin_setjmp_setup*, builtin_longjmp): New.
1438 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
1440 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
1442 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
1444 * vmsconfig.com: Remove bytecode references.
1446 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1448 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
1449 -fno-sjlj-exceptions works for a target that defines
1450 DWARF2_UNWIND_INFO as zero.
1452 * regmove.c (fixup_match_1): Undo last change which removed some
1453 "useless" code, and add a comment explaining this.
1455 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
1457 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
1460 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
1462 * makefile.vms: Remove bytecode references.
1463 Create genrtl files.
1465 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
1467 * jump.c (jump_optimize): Allow conditional loading of floating point
1468 constants and constants from memory. Reinstalled modified_in_p tests.
1470 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1472 * loop.c (get_condition): Handle sign-extended constants.
1474 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
1476 * expr.c (emit_push_insn): Add code to use movstrti if present.
1478 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
1479 and movstrqi as in emit_block_move ().
1481 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
1483 * config/m68k/x-next: Remove /NextDeveloper/Headers from
1484 the directories to fixinclude - /usr/include is a link
1485 to it and hence its contents are fixed by default.
1487 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1489 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
1491 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
1493 * cccp.c (main): Predefine __VMS_VER on VMS.
1495 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1497 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
1498 * fold-const.c (size_int): Replace with
1500 (make_bit_field_ref): Use bitsize_int for bit position.
1501 * stor-layout.c (sizetype): Delete.
1502 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
1503 (layout_record, layout_union, layout_type):
1504 Use bitsize_int for bit size.
1505 (set_sizetype): New function.
1506 (make_signed_type, make_unsigned_type): Use it.
1507 * c-decl.c (init_decl_processing): Likewise.
1508 * tree.h (size_int): Don't delcare, #define.
1509 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
1510 (set_sizetype): Declare.
1511 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
1513 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
1514 Convert result to sizetype.
1515 (really_start_incremental_init, push_init_level):
1516 Set type of constructor_bit_index to sbitsizetype.
1517 (push_init_level): Use unsigned arithmetic to determine padding.
1518 (output_init_element): Likewise.
1520 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
1522 * combine.c (simplify_shift_const): Fix typo in last change.
1524 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
1526 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
1527 is (truncate (lshiftrt)).
1529 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
1531 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
1532 Make sure result winds up in TGT.
1533 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
1534 src to be other than DImode.
1535 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
1536 (alpha_expand_unaligned_store_words): Likewise.
1537 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
1538 that source and destination are separately optimized for alignment.
1539 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
1541 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
1543 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
1544 with handling of -32768.
1546 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1548 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
1549 shell variable argument instead of only hard coded functions.
1550 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
1552 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
1553 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
1554 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
1555 declarations for bcopy, bcmp and bzero.
1557 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
1559 * gansidecl.h: If we have bcopy but don't declare it, then do so.
1560 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
1561 bzero, index and rindex if they aren't already present.
1563 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
1565 * toplev.c (close_dump_file): Wrap function prototype for
1566 argument "func" in PROTO.
1567 (dump_rtl): Likewise.
1569 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
1571 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
1573 (output_function_epilogue): Omit epilogue if nothing drops through.
1574 (output_move_double): Supress int ldd usage on ultrasparc and v9.
1575 (registers_ok_for_ldd_peep): Likewise.
1576 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
1577 (ultrasparc_adjust_cost): New function.
1578 (sparc_issue_rate): New function.
1579 * sparc.h (MASK_VIS, TARGET_VIS): New
1580 (MASK_V8PLUS, TARGET_V8PLUS): New.
1581 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
1582 (TARGET_SWITCHES): Add vis and v8plus.
1583 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
1584 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
1585 (RTX_COSTS): Use TARGET_HARD_MUL
1586 (ADJUST_COST): Call ultrasparc_adjust_cost.
1588 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
1589 of load & fp appropritely.
1590 (supersparc function units): Adjust for Haifa.
1591 (ultrasparc function units): Likewise.
1592 (get_pc_via_rdpc): All v9, not just arch64.
1593 (movdi_v8plus, movdi_v8plus+1): New.
1594 (adddi3_sp32+1): New.
1595 (subdi3_sp32+1): New.
1596 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
1597 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
1598 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
1599 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
1600 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
1601 (ldd peepholes): Suppress for v9.
1602 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
1603 (return_subsi): Revmove.
1605 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
1607 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
1608 save/restore MEM rtl.
1610 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
1612 * configure.in: Check for declaration of abort.
1613 * acconfig.h: Corresponding changes.
1614 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
1617 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
1619 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
1622 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
1624 * version.c: Bump for snapshot.
1626 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
1628 * configure.in: Check for atoq and atoll.
1629 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
1630 proper routine for converting ascii into long long values.
1632 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
1634 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
1636 * vmsconfig.com: Remove bytecode references.
1638 * alpha/vms.h (PREFIX): Define.
1640 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
1642 * am-alpha.h: Don't include alloca for OPEN_VMS.
1644 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
1646 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
1647 (GCC_INCLUDE_DIR): Define
1649 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
1650 * makefile.vms: New file.
1652 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
1654 * alpha.c (output_prolog): Output '.name' directive
1655 for minimal traceback information.
1657 * alpha.c (output_prolog): Don't prepend entry point symbols
1658 with '$' on OPEN_VMS.
1660 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
1661 Jeffrey A Law (law@cygnus.com)
1663 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
1666 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
1668 * genemit.c (gen_exp): Likewise.
1669 * genpeep.c (match_rtx): Likewise.
1670 * genrecog.c (write_tree_1): Likewise.
1672 * c-lex.c (yyprint): Use proper format string based upon
1673 disposition of HOST_BITS_PER_WIDE_INT.
1674 (yylex): Put casts in right place for args to build_int_2.
1676 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
1678 * combine.c: Fix typos in Jan27 changes.
1680 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
1682 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
1683 (LINK_SPEC): Likewise.
1684 (STARTFILE_SPEC): Likewise.
1686 1998-01-28 Mike Stump <mrs@wrs.com>
1688 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
1690 * genattrtab.c (reload_completed): Define.
1692 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
1695 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1697 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1698 SUBREG_REG if the word count is unchanged, also in the input reload
1699 case. Disable non-applicable sanity checks.
1701 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
1703 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
1705 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
1707 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
1709 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
1711 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
1712 is a TREE_VEC before trying to use it for baseclasses.
1713 (Chill uses the same field for a different purpose.)
1715 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
1717 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
1719 * config.sub: More accurate determination of HP processor types.
1721 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1723 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
1724 prototype for `handle_sysv_pragma', and make it static. Add
1725 parentheses around assignment used as truth value.
1727 * combine.c (combine_instructions): Protect variable `prev' with
1729 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
1730 (extract_left_shift): Add parentheses around operand of &.
1731 (merge_outer_ops): Avoid an empty body in an else-statement.
1732 (gen_rtx_combine): Remove unused variable `i'.
1734 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
1735 function monstartup `void'. Likewise for internal_mcount. Add
1736 `static void' prototype for moncontrol. Reconcile sprintf format
1739 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
1740 Make return type of function_arg_slotno explicitly `int'.
1741 (reg_unused_after): Add parentheses around assignment used as
1743 (save_regs): Add explicit braces to avoid ambiguous `else'.
1744 (function_arg_slotno): Add parentheses around && within ||.
1745 (function_arg_pass_by_reference): Likewise.
1746 (sparc_flat_output_function_prologue): Reconcile fprintf format
1749 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
1750 assignment used as truth value.
1752 * cplus-dem.c: Include <stdlib.h>.
1753 (demangle_signature): Avoid an empty body in an else-statement.
1754 (do_type): Remove unused variable `lvl'.
1756 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
1757 Include <string.h>/<strings.h>.
1758 (cpp_lex): Remove unused variable `namelen'.
1759 (cpp_lex): Explicitly declare `num_chars' as an int.
1761 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
1762 <unistd.h> instead. Explicitly declare is_system_include
1764 (make_assertion): Remove unused variable `kt'.
1765 (cpp_expand_to_buffer): Hide variable `obuf'.
1766 (output_line_command): Remove unused variables, `line_end',
1767 `line_cmd_buf' and `len'.
1768 (macarg): Remove unused variable `arg_start'.
1769 (special_symbol): Remove unused variable `i'. Add parentheses
1770 around assignment used as truth value.
1771 (do_include): Remove unused variables `pcfname' and `retried',
1772 hide `pcf' and `pcfbuflimit'.
1773 (do_line): Remove unused variable `i'.
1774 (finclude): Hide variable `missing_newline'.
1775 (cpp_handle_options): Remove unused variable `j'.
1776 (read_token_list): Remove unused variable `eofp'.
1777 (cpp_error_with_line): Remove unused variable `i'.
1778 (cpp_warning_with_line): Likewise.
1779 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
1780 (cpp_error_from_errno): Remove unused variable `i'.
1782 * cse.c (invalidate): Add parentheses around assignment used as
1784 (find_best_addr): Move declaration of variable `our_cost' inside
1785 the conditional macro where its used.
1786 (fold_rtx): Avoid an empty body in an if-statement.
1787 (cse_insn): Wrap variables `this_insn_cc0_mode' and
1788 `this_insn_cc0' in macro HAVE_cc0.
1790 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
1791 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
1792 (output_uleb128): Likewise.
1793 (output_sleb128): Likewise.
1794 (output_cfi): Likewise.
1795 (output_call_frame_info): Remove unused variables `j', `fde_size'
1797 (comp_unit_has_inlines): Hide declaration as per rest of file.
1798 (size_of_line_prolog): Correct typo in prototype.
1799 (add_arange): Likewise.
1800 (output_aranges): Likewise.
1801 (add_name_and_src_coords_attributes): Likewise.
1802 (gen_array_type_die): Likewise.
1803 (gen_inlined_subroutine_die): Likewise.
1804 (equate_decl_number_to_die): Remove unused variable `i'.
1805 (print_die): Reconcile format vs. args in fprintf's.
1806 (print_dwarf_line_table): Likewise.
1807 (output_die): Likewise.
1808 (output_line_info): Likewise.
1809 (add_subscript_info): Avoid an empty body in an else-statement.
1810 (gen_subprogram_die): Remove unused variable `fp_loc'.
1812 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
1813 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
1814 macro. Protect `src_coords_attribute' prototype with
1815 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
1816 prototype as in the rest of the file. Likewise for
1817 `output_pointer_type_die' and `output_reference_type_die'. Remove
1818 prototype for `type_of_for_scope'.
1819 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
1820 (type_attribute): Add explicit braces to avoid ambiguous `else'.
1822 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
1823 (shorten_branches): Protect declaration of tmp_length with
1824 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
1825 (profile_function): Protect declaration of `sval' and `cxt'
1826 variables with appropriate macros.
1827 (final_scan_insn): Likewise for `note' variable. Add explicit
1828 braces to avoid empty body in an if-statement.
1829 (output_asm_insn): Move variable `i' inside macro conditional
1830 where it is used. Add parentheses around assignment used as truth
1832 (asm_fprintf) Likewise, likewise.
1834 * fix-header.c (main): Remove unused variable `done'. Protect
1835 declaration of `i' with FIXPROTO_IGNORE_LIST.
1837 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
1839 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
1842 * profile.c: Include <string.h>/<strings.h>.
1843 (instrument_arcs): Remove unused variables `note', `inverted',
1844 `zero' and `neg_one'.
1845 (branch_prob): Avoid empty body in an if-statement.
1847 * regclass.c: Include <stdlib.h>.
1848 (reg_alternate_class): Explicitly declare parameter `regno'.
1850 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
1851 parentheses around assignment used as truth value.
1852 (find_matches): Remove unused variables `output_operand' and
1854 (fixup_match_1): Remove statement with no effect: "if (0) ;".
1856 * scan.c (sstring_append): Explicitly declare `count' as int.
1857 (scan_string): Explicitly declare parameter `init' as int.
1859 * sched.c: Include <stdlib.h>.
1860 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
1861 (rank_for_schedule): Add parentheses around assignment used as
1863 (schedule_block): Likewise.
1864 (regno_use_in): Likewise.
1865 (schedule_insns): Remove unused variable `i'.
1867 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
1868 (v_message_with_decl): Remove unused variable `n'.
1869 (botch): Explicitly declare parameter `s' as char *.
1870 (main): Add parentheses around assignment used as truth value.
1872 * tree.c (make_node): Protect the variable `kind' with the
1873 GATHER_STATISTICS macro.
1874 (real_value_from_int_cst): Move variable `e' inside conditional
1875 macro area where it is used.
1876 (tree_last): Add parentheses around assignment used as truth value.
1877 (build1): Protect the variable `kind' with the GATHER_STATISTICS
1879 (print_obstack_statistics): Reconcile format vs. args in fprintf.
1880 Protect variables `i', `total_nodes', and `total_bytes' with the
1881 GATHER_STATISTICS macro.
1883 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
1885 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
1886 some comments regarding use of dead_or_set_p.
1888 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
1890 * fixincludes: Tweak fix for struct exception in math.h
1892 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
1894 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
1895 Change mode of registers used to add/sub from
1896 hard_frame_pointer_rtx from word_mode to Pmode.
1898 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
1900 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
1901 asm_output_aligned_bss() instead of asm_output_bss().
1903 * toplev.c (rest_of_compilation): Replace references to
1904 stack_reg_dump_file and dbr_sched_dump_file with references to
1907 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
1909 * tlink.c (scan_linker_output): Call fclose() for opened files.
1911 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
1913 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
1914 compiling with -fpic -- we want to be able to override symbols
1916 (alpha_expand_block_move): Fix thinko in last change.
1918 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
1919 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
1920 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
1922 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
1924 * alpha.md (abssf, absdf): Revert last change.
1926 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
1928 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
1929 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
1931 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
1933 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
1934 a CONST_INT into SFmode.
1936 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
1938 * flags.h: New flag (optimize_size).
1939 * toplev.c (main): Parse -Os option and set optimize_space
1941 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
1942 __OPTIMIZE_SIZE__ when compiling with -Os.
1943 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
1944 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
1945 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
1947 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
1949 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
1951 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
1952 stuff only if MCT_TEXT is #define'd.
1954 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
1956 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
1959 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
1961 * toplev.c: Add -dM command line option to dump RTL after the
1962 machine dependent reorganisation pass, if there is one.
1963 Reorganise RTL dump code, so that only one file handle is
1966 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
1968 * except.c (check_exception_handler_labels): Disable warning when
1971 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
1973 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
1975 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1977 * c-decl.c (grokdeclarator): Get parameter tags from
1978 last_function_parm_tags.
1979 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
1980 traversing the parameter types.
1981 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
1983 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
1985 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
1987 (get_shift_alg): Fix typo.
1989 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
1991 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
1993 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
1995 * toplev.c (get_run_time): Make sure each case gets its variables.
1997 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
1999 * configure.in (build_xm_file): Add auto-config.h if host=build.
2000 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
2001 (build_xm_file_list): Likewise.
2002 * configure: Rebuild.
2004 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
2006 * recog.c (validate_replace_rtx_1): Only perform substitutions
2007 of arguments to commutative and comparison operators once.
2009 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2011 * sparc.c (output_cbranch): Add default case in
2014 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
2015 (emit_delay_sequence): Eliminate unused parameter, all callers
2017 (fill_simple_delay_slots): Likewise.
2018 (fill_slots_from_thread): Likewise.
2019 (fill_eager_delay_slots): Likewise.
2020 (mark_referenced_resources): Add default case in enumeration switch.
2021 (mark_set_resources): Likewise.
2022 (rare_destination): Likewise.
2023 (mostly_true_jump): Likewise.
2024 (find_dead_or_set_registers): Likewise.
2025 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
2026 (update_reg_unused_notes): Remove unused variable `p'.
2027 (mark_target_live_regs): Remove unused variables `next' and
2029 (fill_simple_delay_slots): Remove unused variable `j'.
2030 (fill_slots_from_thread): Add parentheses around assignment used
2032 (dbr_schedule): Likewise.
2034 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
2035 (objc.stage2, objc.stage3, objc.stage4): Likewise.
2037 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
2039 * cse.c (simplify_ternary_operation): Don't try to simplify
2040 IF_THEN_ELSE expressions (created by combine) that don't use
2041 relational operators.
2043 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
2045 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
2048 * crtstuff.c (init_dummy): Keep the epilogue in the init
2049 section for non-ELF systems.
2051 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2053 * sh.md (movqi_i+1): New peephole.
2055 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
2057 * Makefile.in: Remove remaining bytecode stuff.
2058 * emit-rtl.c, expr.c: Likewise.
2060 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
2062 * toplev.c (lang_options): Add unknown-pragma options.
2064 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
2066 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
2067 special (and incomplete) handling for Chill arrays.
2069 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
2071 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
2074 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
2076 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
2078 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
2080 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
2081 .frame directive instead of FRAME_POINTER_REGNUM.
2083 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
2085 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
2086 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
2087 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
2088 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
2089 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
2090 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
2091 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
2092 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
2094 * longlong.h: Replace __mc68332__ with __mcpu32__.
2096 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
2098 * version.c: Bump for snapshot.
2100 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
2102 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
2103 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
2104 * reload1.c (eliminate_regs): Likewise.
2106 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
2108 * regmove.c (find_matches): Initialize matches->earlyclobber too.
2110 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
2112 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
2113 (negsf2, negdf2): Use proper subtract in IEEE mode.
2115 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
2117 * Makefile.in: Remove more bytecode stuff.
2118 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
2119 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
2120 * f/install.texi, objc/Make-lang.in: Likewise.
2122 * Makefile.in: Remove all bytecode support.
2123 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
2124 * emit-rtl.c: Remove all bytecode support.
2125 * expr.c, expr.h function.c, integrate.c: Likewise.
2126 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
2127 * tree.h, varasm.c: Likewise.
2128 * config/m68k/m68k.h: Likewise.
2129 * bi-*, bc-*, bytecode*: Delete bytecode related files.
2130 * modemap.def: Likewise.
2132 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
2134 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
2135 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
2137 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
2139 * i386.md (push): Prohibit symbolic constants if flag_pic.
2140 (movsi+1): Likewise for move to non-register.
2142 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
2144 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
2145 (print_operand): Handle 0xffffffff on 32 bit host.
2147 * configure.in (thread_file): Rename uses before main loop to
2148 target_thread_file. Initialize to empty in main loop. Set thread_file
2149 to target_thread_file after main loop if not set.
2150 * configure: Rebuild.
2152 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
2153 (add_values_to_cover): Revert last change (which had no ChangeLog
2155 (simplify_with_current_value_aux): Handle CONST_INT.
2157 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2159 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
2161 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
2163 * configure.in: Add cpp stringify test.
2164 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
2165 * gengenrtl.c: Use it.
2166 * configure, config.in: Rebuild.
2168 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2170 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
2172 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
2174 * configure.in: Find declaration for sbrk.
2175 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
2176 * config.in, configure: Rebuild.
2177 * mips-tfile.c: Properly protect declaration of sbrk and free.
2178 * toplev.c: Properly protect declaration of sbrk.
2180 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
2182 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
2184 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
2186 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
2188 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
2190 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
2192 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
2194 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
2195 constant offset computations from objects with known alignment in
2196 the presence of STACK_BIAS.
2198 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
2200 (const_hash): Hash val is unsigned long.
2201 (SYMHASH): Likewise.
2203 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
2205 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
2206 char pointer, not HOST_WIDE_INT.
2207 (print_node): Likewise. Also hash is unsigned long not
2210 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
2212 * explow.c (optimize_save_area_alloca): New function for targets
2213 where SETJMP_VIA_SAVE_AREA is true.
2214 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
2215 compute the amount of stack space needed should we find later that
2216 setjmp is never called by this function, stuff rtl for this inside
2217 a REG_NOTE of the final SET of stack_pointer_rtx.
2218 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
2219 current_function_calls_alloca, call optimize_save_area_alloca.
2221 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
2223 * i386.md: Remove redundant integer push patterns.
2224 Don't bother checking for TARGET_PUSH_MEMORY when
2225 pushing constants or registers.
2227 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
2228 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
2230 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
2231 (pwait): New function for mingw32.
2233 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
2234 pipe support is broken for now.
2236 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
2238 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
2239 between frame_pointer_rtx, hard_frame_pointer_rtx, and
2240 arg_pointer_rtx is respected in initialization.
2241 (init_emit_once): Use gen_rtx_raw_REG() to create
2242 return_address_pointer_rtx.
2244 * reorg.c: #include "expr.h" for rtx prototypes.
2245 * Makefile.in (reorg.o): Depend on expr.h
2247 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
2249 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
2250 local_prefix to sub-make invocations.
2252 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
2254 * objc-parse.c: Recognize protocol qualifiers in class definitions.
2256 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
2260 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
2261 * configure.in: Check for atol.
2262 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
2264 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
2266 * loop.c (find_and_verify_loops): When attempting to move insns from
2267 inside the loop outside the loop, create a BARRIER if no suitable
2270 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
2271 favor of an equivalent change from gcc-2.8.
2273 * i386/x-sco5 (CC): Remove trailing whitespace.
2275 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2277 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
2278 (accessor_from_format): Likewise.
2279 (xmalloc): New function for use when linking with alloca.o.
2281 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2283 * frame.c (find_fde): Correct FDE's upper bound.
2285 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
2287 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
2289 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
2291 * calls.c (expand_call): Move #ifdef code out of macro argument
2293 (emit_library_call, emit_library_call_value): Likewise.
2295 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
2297 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
2299 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
2301 * version.c: Bump for snapshot.
2303 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
2305 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
2306 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
2307 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
2308 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
2309 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
2310 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
2311 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
2312 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
2313 * unroll.c, varasm.c: Likewise.
2314 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
2316 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
2318 * mips.h: Fix some type-o's from a previous change.
2320 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
2322 * loop.c (check_dbra_loop): Make sure initial value is a
2323 CONST_INT before trying to normalize it.
2325 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
2327 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
2329 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
2331 * cppexp.c: Include gansidecl.h
2333 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
2335 * svr4.h (LINK_SPEC): Never specify -h.
2336 * ptx4.h (LINK_SPEC): Likewise.
2337 * rs6000/sysv4.h (LINK_SPEC): Likewise.
2338 * sparc/sol2.h (LINK_SPEC): Likewise.
2340 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
2342 * c-typeck.c (comptypes): Exit early on NULL input.
2344 * haifa-sched.c (schedule_insns): Correctly remove inter-block
2345 dependencies after reload.
2347 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2349 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
2351 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
2353 * alpha/vms.h (DIR_SEPARATOR): define
2355 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2357 * Makefile.in (stamp-proto): Remove.
2358 (protoize.o, unprotoize.o): Straightforward compile.
2359 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
2361 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
2363 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
2364 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
2366 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
2368 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
2369 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
2370 * sparc/netbsd.h, vax/netbsd.h: Likewise.
2372 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
2374 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
2376 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
2378 * configure.in (target_cpu_default, target_cpu_default2): Use double
2379 quotes around them when testing their value.
2380 * configure: Rebuilt.
2382 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
2384 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
2386 (gendef): Call obstack_alloc_rtx.
2388 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
2390 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
2393 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
2395 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
2396 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
2397 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
2399 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
2401 * mips.md (return_internal): Change mode from SImode to VOIDmode.
2403 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
2405 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
2408 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
2410 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
2411 suffix from operand 3.
2413 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2414 Jeffrey A Law (law@cygnus.com)
2416 * regmove.c: New implementation of regmove pass.
2417 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
2418 decls, make them have external linkage. Return a value from
2419 optimize_reg_copy_1.
2420 * reload.h (count_occurrences): Add decl.
2421 * reload1.c (count_occurrences): Delete decl, make it have external
2423 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
2425 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
2427 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
2428 if it is not defined.
2430 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
2432 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
2433 * emit-rtl.c (gen_rtx): Move special code to ...
2434 (gen_rtx_CONST_INT): New function.
2435 (gen_rtx_REG): New function.
2436 (*): Update all calls to gen_rtx.
2437 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
2438 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
2439 (GEN_INT): Call gen_rtx_CONST_INT.
2440 * gengenrtl.c: New file.
2442 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
2444 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
2445 (base_alias_check): If no base found for address call canon_rtx and
2448 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
2450 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
2451 arguments for mips16.
2452 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
2453 Don't lose if tsize is zero after handling large stack for mips16.
2454 * mips.md (return): For trivial return, return address is in $31.
2456 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
2458 * mips/mips16.S: Various changes to make it work with -msingle-float
2461 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
2462 Ian Lance Taylor <ian@cygnus.com>
2463 Jeff Law <law@cygnus.com>
2465 * mips.c, mips.h, mips.md: First cut at merging in mips16
2466 support. Major modifications throughout all three files.
2468 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
2470 * configure.in: Make gthr-default.h a forwarding header instead of
2473 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2475 * gcov-io.h: Include sys/types.h to ensure we get size_t.
2477 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
2479 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
2480 Jeffrey A Law (law@cygnus.com)
2482 * crtstuff.c (__frame_dummy): New function for irix6.
2483 (__do_global_ctors): Call __frame_dummy for irix6.
2484 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
2486 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
2488 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
2490 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
2492 * c-decl.c (init_decl_processing): Provide proper fallback symbol
2493 for __builtin_memset.
2494 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
2495 not INTEGER_CST. Assert arg 3 is a constant.
2497 * alpha.c (mode_width_operand): Accept 64-bit modes.
2498 (mode_mask_operand): Likewise.
2499 (print_operand): Likewise for 'M' and 'U' codes.
2500 (alpha_expand_unaligned_load): New function.
2501 (alpha_expand_unaligned_store): Likewise.
2502 (alpha_expand_unaligned_load_words): Likewise.
2503 (alpha_expand_unaligned_store_words): Likewise.
2504 (alpha_expand_block_move): Likewise.
2505 (alpha_expand_block_clear): Likewise.
2506 * alpha.h (MOVE_RATIO): New define.
2507 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
2508 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
2510 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
2511 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
2513 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
2515 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
2516 * configure: Update.
2518 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
2520 * emit-rtl.c (operand_subword): Correctly handle extracting a word
2521 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
2523 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
2526 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
2528 * configure.in: Set and subsitute host_exeext. Use it when creating
2529 the assembler and linker symlinks.
2530 * configure: Rebuild.
2531 * Makefile.in (exeext): Set to @host_exeext@.
2532 (build_exeext): New variable, set to @build_exeext@.
2533 (FLAGS_TO_PASS): Pass down build_exeext.
2534 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
2537 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
2539 * mn10200.md (addsi3, subsi3): Fix thinkos.
2541 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
2543 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
2544 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
2545 unix always, since we want to be able to thunk to functions in a
2546 shared library from an application.
2548 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
2550 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
2551 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
2553 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
2555 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
2556 offset's mode is not ptr_mode, convert it.
2558 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
2560 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
2561 compiling if it was already defined.
2563 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
2565 * flow.c (find_basic_blocks): Don't create a new basic block
2566 for calls in a LIBCALL block.
2568 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
2570 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
2572 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
2574 * cse.c (rtx_cost): Remove conflicting default case.
2576 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
2578 * configure.in: Move default enabling of Haifa out of for loop.
2579 * configure: Rebuild.
2581 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
2583 * version.c: Bump for snapshot.
2585 1997-12-25 Teemu Torma <tot@trema.com>
2587 * Makefile.in (GTHREAD_FLAGS): New var.
2588 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
2589 (distclean): Remove gthr-default.h.
2591 * configure.in: Accept dce as a thread package.
2592 Check for thread.h and pthread.h.
2593 Link gthr-default.h to appropriate thread file and set
2595 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
2596 include multilib definitions from pa/t-dce-thr.
2597 (sparc-*-solaris2*): Enable threads by default, if thread.h or
2598 pthread.h is found, preferring posix threads over solaris ones.
2600 * config/pa/t-dce-thr: New file.
2601 * config/pa/t-pa: Removed multilibs.
2602 * config/sparc/t-sol2: Ditto.
2605 * gthr-single.h: New file.
2606 * gthr-posix.h: New file.
2607 * gthr-solaris.h: New file.
2608 * gthr-dce.h: New file.
2609 * libgcc-thr.h: Removed.
2610 * objc/thr-dce.c: New file copied from thr-decosf1.c.
2612 * frame.c: Include gthr.h instead of libgcc-thr.h.
2613 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
2614 (eh_context_initialize): If __gthread_once fails, use static eh
2616 (eh_context_free): Call __gthread_key_dtor.
2618 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
2620 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
2622 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
2624 * cse.c (max_insn_uid): New variable.
2625 (cse_around_loop): Use max_insn_uid.
2626 (cse_main): Set max_insn_uid.
2628 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
2629 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
2630 -mlong64, and -mgp{32,64} options.
2631 * mips.c (mips_abi): Change type to int.
2632 * mips.h (enum mips_abi_type): Delete.
2633 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
2634 (mips_abi): Change type to int.
2636 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
2638 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
2639 optimization is now always enabled.
2641 * calls.c (expand_call): Recognize C++ operator new as malloc-like
2644 * alias.c (memrefs_conflict_p): Eliminate tests now done by
2646 (*_dependence): Call canon_rtx before base_alias_check.
2647 (init_alias_once): New function to precompute set of registers which
2648 can hold Pmode function arguments.
2650 * rtl.h: Declare init_alias_once.
2652 * toplev.c (compile_file): Call init_alias_once.
2654 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
2656 * tree.c (restore_tree_status): Do not dereference a null pointer.
2658 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
2660 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
2661 RLIMIT_STACK. This maintains consistency with the recent, similar
2662 patch to cccp.c and toplev.c.
2664 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
2666 * genattrtab.c (expand_units): For large nr opclasses, expand
2667 function_units_used with ORX to prevent blowups. Tag with FFS.
2668 (num_unit_opclasses): New variable.
2669 (gen_unit): Update it.
2670 (enum operator): Add ORX_OP.
2671 (operate_exp): Treat ORX as or, except don't expand across an if.
2672 Reuse number rtx's after operating on them.
2673 (check_attr_value): Accept IOR, AND, & FFS.
2674 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
2675 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
2676 (write_expr_attr_cache, write_toplevel_expr): New functions.
2677 (write_attr_get): Handle FFS-tagged expressions.
2678 (make_canonical): Don't expand const attributes.
2679 (convert_const_symbol_ref): Dike out.
2680 (evaluate_eq_attr): Handle SYMBOL_REF.
2681 (main): Don't emit get_attr_foo for const attributes.
2683 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
2684 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
2685 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
2686 * alpha.md: Redo all of the scheduling, adding EV6 support, and
2687 combining function units where possible.
2688 (attr "type"): Split loads, stores, cmov into int/fp. Combine
2689 multiplies and divides. Add EV6 sqrt, ftoi, itof.
2690 (attr "opsize"): New attribute.
2691 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
2692 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
2693 to control register allocation.
2694 (movsi2-1, movdi2-1): Likewise.
2696 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
2698 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
2699 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
2700 Move OSF/1 specific defines out.
2701 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
2702 Move Linux specific defines out.
2703 (LINK_SPEC): Genericize.
2704 (ASM_FILE_START): Emit .arch if using more than the base insn set.
2705 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
2706 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
2707 (HANDLE_SYSV_PRAGMA): Define.
2708 * alpha/osf.h: New file.
2709 * alpha/linux.h: Split. Retain file-format independant defines.
2710 Import Linux bits from elf.h.
2711 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
2712 (FUNCTION_PROFILER): _mcount takes its address in $28.
2713 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
2714 * alpha/linux-ecoff.h: New file.
2715 * alpha/linux-elf.h: New file.
2716 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
2717 * alpha/win-nt.h (TARGET_DEFAULT): Define.
2718 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
2719 Add new headers as appropriate.
2721 * configure.in (alpha*): Enable Haifa by default.
2722 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
2723 * configure: Rebuild.
2725 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
2727 * Makefile.in (clean): Remove the stages with their objects here ...
2728 (distclean): ... instead of here.
2730 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2732 * cse.c (rtx_cost): Add default case in enumeration switch.
2733 * fix-header.c (recognized_macro): Likewise.
2734 (recognized_extern): Likewise.
2735 (write_rbrac): Likewise.
2736 * objc/objc-act.c (encode_aggregate): Likewise.
2737 (gen_declarator): Likewise.
2738 (gen_declspecs): Likewise.
2740 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
2742 * haifa-sched.c (create_reg_dead_note): Detect and handle another
2743 case where we kill more regs after sched than were killed before
2745 * sched.c (create_reg_dead_note): Similarly.
2747 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
2749 * c-pragma.c: Include flags.h.
2751 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
2753 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
2754 about system headers.
2755 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
2756 and also to resolve symbols in prefix.c.
2758 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
2759 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
2760 when the definitions in auto-config.h is not visible.
2761 (HAVE_BZERO): Likewise.
2762 (HAVE_BCMP): Likewise.
2763 (HAVE_RINDEX): Likewise.
2764 (HAVE_INDEX): Likewise.
2766 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
2768 * pa.c (emit_move_sequence): Handle a function label source
2771 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
2773 * c-pragma.c (handle_pragma_token): Generate warning messages
2774 about unknown pragmas if warn_unknown_pragmas is set.
2776 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
2777 line option to set variable: warn_unknown_pragmas.
2779 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
2781 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
2783 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
2785 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
2787 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
2788 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
2789 generate more fine grained floating point emulation libraries.
2790 * config/fp-bit.c: Add protecting #ifdef to all functions so
2791 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
2792 then compile all suitable functions.
2793 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
2794 underscores to avoid namespace pollution.
2795 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
2797 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
2801 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2802 Jeff Law <law@cygnus.com>
2804 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
2806 * c-decl.c (finish_decl): Use parentheses around && within ||.
2807 * rtl.c: Include stdlib.h.
2808 (read_skip_spaces): Add parentheses around assignments used as
2810 (read_rtx): Initialize list_rtx.
2811 * cppexp.c (parse_number): Use || when operands are truth values.
2812 * alias.c (find_base_value): Add default case.
2813 (memrefs_conflict): Likewise.
2814 * combine.c (sets_function_arg_p): Likewise.
2815 * genemit.c (gen_exp): Likewise.
2816 * local-alloc.c (contains_replace_regs): Likewise.
2817 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
2818 * fold-const.c (fold_convert): Use "&&" for truth values.
2819 (fold): Add default case.
2820 * sdbout.c (sdbout_field_types): Fix typo in declaration.
2821 (sdbout_one_type): Add default case.
2822 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
2823 (some_operand): Add default case.
2824 (input_operand): Likewise.
2825 (signed_comparison_operator): Likewise.
2826 (divmod_operator): Likewise.
2827 (alpha_set_memflags_1): Likewise.
2828 * reload1.c (reload_cse_simplify_operands): Ensure function
2829 always returns a value.
2830 * scan-decls.c (scan_decls): Likewise.
2831 * c-lex.c (skip_white_space): Fix typo in declaraion.
2832 * c-typeck.c (comp_target_types): Add parentheses around assignment
2833 used as truth value.
2834 (print_spelling): Likewise.
2835 (constructor_implicit, constructor_result): Remove unused variables.
2836 * collect2.c (scan_library): Protect prototype with
2837 #ifdef SCAN_LIBRARIES.
2838 * emit-rtl.c (find_line_note): Fix typo in declaration.
2839 * final.c (asm_insn_count): Protect prototype with
2840 #ifdef HAVE_ATTR_length.
2841 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
2842 (try_pre_increment_1, try_pre_increment): Likewise.
2843 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
2844 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
2845 * gcov-io.h (__store_long, __write_long, __read_long): Fix
2846 unsigned/signed comparisons.
2847 * gcov.c (read_files): Remove unused "first_type" variable.
2848 (scan _for_source_files): Initialize s_ptr.
2849 (function_summary): Eliminate "%lf" formatting, use %ld for
2851 (output_data): Initialize branch_probs and last_line_num.
2852 Eliminate "%lf" formatting, use "%ld" for longs.
2854 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
2856 * mips16.S: New file.
2858 * libgcc2.c (varargs): Handle mips16.
2860 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
2862 * stmt.c (expand_end_case): Likewise.
2863 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
2864 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
2865 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
2867 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2869 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
2870 the build directory.
2871 (libobjc.a): Update dependency list.
2872 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
2874 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
2875 (objc.mostlyclean): Remove runtime-info.h.
2877 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
2879 * tree.c (build_range_type): Allow creation of ranges with no maximum.
2880 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
2881 * dwarf2out.c (add_subscript_info): Likewise.
2882 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
2883 * sdbout.c (plain_type_1): Likewise.
2884 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
2886 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
2889 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2891 * mips.c (fatal): Remove declaration.
2893 1997-12-18 Mark Mitchell <mmitchell@usa.net>
2895 * integrate.c (get_label_from_map): New function.
2896 (expand_inline_function): Use it. Initialize the label_map to
2897 NULL_RTX instead of gen_label_rtx.
2898 (copy_rtx_and_substitute): Use get_label_from_map.
2899 * integrate.h (get_label_from_map): New function.
2900 (set_label_from_map): New macro.
2901 * unroll.c (unroll_loop): Use them.
2902 (copy_loop_body): Ditto.
2904 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
2906 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
2907 (INIT_TARGET_OPTABS): Define.
2908 * mips/ecoff.h: Include gofast.h before mips.h.
2909 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
2910 * mips/elf64.h: Likewise.
2911 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
2913 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
2915 * except.c: Remove register_exception_table{,_p}.
2917 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
2919 * unroll.c (calculate_giv_inc): Handle constant increment found in
2920 a MEM with an appropriate REG_EQUAL note.
2922 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
2924 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
2925 frame pointer in the prologue.
2927 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
2929 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
2930 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
2932 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
2934 * config/m68k/m68k.c (output_function_prologue): Typecast
2935 dwarf2out_cfi_label to (char *).
2936 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
2938 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
2940 * sparc.md (jump): Don't use the annul bit around an empty loop.
2941 Patch from Kevin.Kelly@East.Sun.COM.
2943 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
2945 * jump.c: (jump_optimize): Don't use the return register as a
2946 source1 of a conditional move.
2948 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
2950 * sparc.c (DF_MODES): Or the mask not the bit number.
2951 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
2953 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2955 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
2957 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
2959 * fixincludes (size_t): Add support for Motorola's stdlib.h
2960 which fails to provide a definition for size_t.
2961 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
2962 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
2963 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
2965 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
2966 prevent unresolved externals in libio.
2967 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
2969 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
2971 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
2972 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
2973 (LIB_SPEC): Updated for glibc 2.
2975 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
2977 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
2978 * ginclude/varargs.h: Likewise.
2980 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
2982 * version.c: Bump for snapshot.
2984 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
2986 * frame.h (__register_frame, __register_frame_table,
2987 __deregister_frame): New.
2988 * frame.c (__register_frame, __register_frame_table,
2989 __deregister_frame): New.
2990 * frame.c (__deregister_frame_info): Return void *.
2991 * frame.h (__deregister_frame_info): Ditto.
2992 * collect2.c (__deregister_frame_info): Ditto.
2994 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
2996 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
2998 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
3000 * alpha.c (alpha_cpu_name): New variable.
3001 (alpha_mlat_string): Likewise.
3002 (alpha_memory_latency): Likewise.
3003 (override_options): Handle -mmemory-latency.
3004 (alpha_adjust_cost): Adjust load cost for latency.
3005 * alpha.h (TARGET_OPTIONS): Add meory-latency.
3006 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
3007 TARGET_CIX into account.
3008 (MEMORY_MOVE_COST): Define in terms of memory_latency.
3009 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
3011 * alpha.h (ASM_COMMENT_START): New macro.
3013 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
3015 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
3016 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
3018 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
3019 SUBREG_REG if the word count is unchanged.
3020 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
3021 subregs of identical word size for push_reload.
3023 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
3025 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
3026 if all we're doing is dealing with -Wreturn-type.
3028 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
3030 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
3031 Use and 255 instead of zapnot 1, since it schedules better.
3033 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
3035 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
3038 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
3040 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
3041 dependency we delete. Properly update prev for multiple consecutive
3043 (priority): Skip deleted dependence.
3045 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
3047 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
3049 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
3051 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
3052 determining when a new basic block starts.
3054 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
3056 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
3057 * pa.md (iorsi3): Add missing args to *_operand calls.
3059 * except.c (call_get_eh_context): Don't mess with sequences.
3060 (emit_eh_context): Include the call in the sequence here.
3062 1997-12-11 Paul Eggert <eggert@twinsun.com>
3064 * collect2.c (write_c_file_glob): Allocate initial frame object
3065 in static storage and pass its address.
3067 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
3069 * except.c (call_get_eh_context): Don't take a parm.
3070 Put the call at the top of the function.
3071 (emit_eh_context): Adjust.
3072 (get_eh_context): Replace with former use_eh_context.
3073 (get_eh_context_once, get_saved_pc_ref): Remove.
3074 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
3076 * integrate.c (expand_inline_function): Adjust.
3077 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
3079 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
3081 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
3082 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
3084 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
3086 * fixincludes (strlen,strspn,strcspn return value): Handle different
3088 (hypot): Provide a fake for hypot which is broken on
3089 m88k-motorola-sysv3.
3091 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
3093 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
3094 tree_code_name from pointers to arrays.
3095 * tree.c: Remove standard_tree_code_* variables, no longer used.
3096 * print-tree.c: Remove declaration of tree_code_name.
3098 * cp/lex.c (init_lex): Update for tree_code_* changes.
3099 * objc/objc-act.c (init_objc): Likewise.
3101 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
3104 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
3106 * config.sub: Add support for BeOS target.
3107 * configure.in: Likewise.
3108 * ginclude/stdarg.h: Likewise.
3109 * ginclude/stddef.h: Likewise.
3110 * ginclude/varargs.h: Likewise.
3111 * rs6000/beos.h: New file for BeOS.
3112 * rs6000/t-beos: Likewise.
3113 * rs6000/x-beos: Likewise.
3114 * rs6000/xm-beos.h: Likewise.
3115 * toplev.c (get_run_time): Just return 0 on BeOS.
3117 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
3118 Toon Moene (toon@moene.indiv.nluug.nl)
3120 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
3121 old and broken Sun3 assemblers. Newer versions handle large
3122 offsets correctly as does the GNU assembler.
3124 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3126 * objc/objc-act.c (lang_report_error_function): Disable.
3127 * objc/objc-parse.y: Include "output.h".
3128 (yyerror): Remove redundant decl.
3129 (yyprint): Fix prototype.
3130 (apply_args_register_offset): Remove redundant decl.
3131 (get_file_function_name): Likewise.
3133 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
3135 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
3137 (find_basic_blocks_1): Likewise.
3139 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
3141 * except.c (use_eh_context): Don't copy_rtx a REG.
3142 (emit_throw): Lose old unwinder support.
3143 (expand_internal_throw): Likewise.
3144 * libgcc2.c (struct eh_context): Likewise.
3145 (new_eh_context): Likewise.
3146 (__get_eh_info): Lose redundant cast.
3147 (__get_dynamic_handler_chain): Likewise.
3148 (__get_saved_pc): Lose.
3149 Lose all old unwinder support code.
3151 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
3153 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
3155 * integrate.c (expand_inline_function): If the inline fn uses eh
3156 context, make sure that the current fn has one.
3157 * toplev.c (rest_of_compilation): Call emit_eh_context.
3158 * except.c (use_eh_context): New fn.
3159 (get_eh_context_once): New fn.
3160 (call_get_eh_context): New fn.
3161 (emit_eh_context): New fn.
3162 (get_eh_context): Call either get_eh_context_once or
3163 call_get_eh_context, depending on what we have.
3164 (get_dynamic_handler_chain): Call get_eh_context_once.
3165 * except.h: Prototypes for fns above.
3166 * optabs.c (get_eh_context_libfunc): Removed.
3167 (init_optabs): Don't initialize it.
3168 * expr.h (get_eh_context_libfunc): Removed.
3169 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
3170 * config/pa/pa.h (CPP_SPEC): Support for -threads.
3171 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
3172 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
3173 New multilib for -threads.
3174 * config/sparc/t-sol2: Added multilibs for -threads and
3175 made -pthreads alias to it.
3176 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
3177 Added -threads and -pthreads options.
3178 * libgcc-thr.h: New file.
3179 * libgcc2.c: (__get_cpp_eh_context): Removed.
3180 (struct cpp_eh_context): Removed.
3181 (struct eh_context): Replaced cpp_eh_context with generic language
3183 (__get_eh_info): New function.
3184 (__throw): Check eh_context::info.
3186 * libgcc2.c: Include libgcc-thr.h.
3187 (new_eh_context, __get_eh_context,
3188 eh_pthread_initialize, eh_context_initialize, eh_context_static,
3189 eh_context_specific, eh_context_free): New functions.
3190 (get_eh_context, eh_context_key): New variables.
3191 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
3192 get_eh_context to get the context.
3193 (longjmp): Move the declaration inside
3194 #ifdef DONT_USE_BUILTIN_SETJMP.
3195 * frame.c: Include libgcc-thr.h.
3196 (object_mutex): Mutex to protect the object list.
3197 (find_fde, __register_frame, __register_frame_table,
3198 __deregister_frame): Hold the lock while accessing objects.
3199 * except.h (get_eh_context): Declare.
3200 * except.c (current_function_ehc): Define.
3201 (current_function_dhc, current_function_dcc): Removed.
3202 (get_eh_context): New function.
3203 (get_dynamic_handler_chain): Use get_eh_context.
3204 (get_saved_pc_ref): Ditto.
3205 (get_dynamic_cleanup_chain): Removed references to
3206 current_function_dcc.
3207 (save_eh_status, restore_eh_status): Save and restore
3208 current_function_ehc instead.
3209 * optabs.c (get_eh_context_libfunc): New variable.
3210 (init_optabs): Initialize it.
3211 * expr.h: Declare get_eh_context_libfunc.
3212 * function.h (struct function): Replaced dhc and dcc with ehc.
3213 * except.c (get_saved_pc_ref): New functions.
3214 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
3215 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
3217 (end_eh_unwinder): Likewise.
3218 (init_eh): Remove initialization of eh_saved_pc.
3219 * optabs.c (get_saved_pc_libfunc): New variable.
3220 (init_optabs): Initialize it.
3221 * expr.h: Declare get_saved_pc_libfunc.
3222 * except.h (eh_saved_pc_rtx): Deleted.
3223 (get_saved_pc_ref): Declared.
3225 From Scott Snyder <snyder@d0sgif.fnal.gov>:
3226 * libgcc2.c (__get_saved_pc): New.
3227 (__eh_type, __eh_pc): Deleted.
3228 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
3229 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
3232 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
3234 * sparc/sol2.h: Use 64 bit multiply and divide functions in
3235 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
3238 * rtl.h (global_rtl): New variable, replacing separate variables for
3240 (const_int_rtx): Now array of rtx_def, not rtx.
3241 * emit-rtl.c: Update for new rtl data structures.
3242 * genattrtab.c: Define global_rtl.
3244 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
3246 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
3249 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
3251 * crtstuff.c (__do_global_ctors): Fix typo.
3253 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
3255 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
3256 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
3258 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
3260 * rs6000.h (FUNCTION_ARG_PADDING): Define.
3261 * rs6000.c (function_arg_padding): New function.
3263 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
3265 * m68k.c: Include tree.h only once.
3267 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3269 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
3271 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
3273 * Partially cleaned up prototyping code from HJ.
3274 * tree.h: Add many prototypes.
3275 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
3276 All references changed.
3277 * rtl.h: Protect from multiple inclusions. Add many prototypes.
3279 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
3281 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
3282 string functions like strlen.
3284 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
3286 * configure.in: Check for functions getrlimit and setrlimit.
3287 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
3288 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
3290 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
3292 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
3294 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
3296 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
3299 * alpha.c (override_options): Don't know about scheduling for EV6.
3300 * alpha.md (ev5 function units): Don't overload as ev6.
3302 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
3303 * alpha.md (define_attr type): Add mvi.
3304 (ev5_e0): Define sceduling parameters for it.
3305 (TARGET_MAX insns): Type is mvi not shift.
3307 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
3309 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
3311 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3313 * cstamp-h, auto-config.h: Delete.
3315 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
3317 * version.c: Bump for snapshot.
3319 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
3321 * cccp.c: Fix typo brought over in merge.
3323 * Merge in changes from gcc-2.8.
3325 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
3327 * m68k.c: Include tree.h for dwarf2out_cfi_label.
3329 * gcc.c (process_command): Do not take address of function fatal when
3330 calling lang_specific_driver.
3332 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
3334 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
3335 doesn't work with it yet, so set it to 0.
3336 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
3338 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3340 * cse.c (cse_insn): Check for invalid entries when taking references.
3342 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3344 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
3345 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
3346 * toplev.c (rest_of_compilation): Pass it. Remove code to
3347 save / clear / restore flag_unroll_{,all_}loops.
3349 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
3351 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
3353 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
3355 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
3357 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
3359 * except.c (get_dynamic_handler_chain): Only make the call once per
3362 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
3364 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3366 * sh.c (final_prescan_insn): Use local label prefix
3367 when emitting .uses pseudo-ops.
3369 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3371 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
3372 * except.c: Lose outer_context_label_stack.
3373 (expand_eh_region_end): Rethrow from outer_context here.
3374 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
3375 (expand_internal_throw): Take no args.
3376 (expand_internal_throw_indirect): Lose.
3377 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
3378 (expand_start_all_catch): Start a rethrow region.
3379 (expand_end_all_catch): End it.
3380 (expand_rethrow): New fn.
3381 * except.h: Reflect above changes.
3382 * flow.c: Revert change of Nov 27.
3384 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
3386 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
3388 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3390 * except.c (expand_fixup_region_end): New fn.
3391 (expand_fixup_region_start): Likewise.
3392 (expand_eh_region_start_tree): Store cleanup into finalization here.
3393 * stmt.c (expand_cleanups): Use them to protect fixups.
3395 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
3397 * mips/mips.md (muldi3_r4000): Broaden the output template
3398 and attribute assignments to handle three operand dmult;
3399 rename to muldi3_internal2.
3400 (muldi3): Call the new muldi3_internal2 for R4000, and
3401 any GENERATE_MULT3 chip.
3403 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
3405 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
3407 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
3409 * unroll.c (find_splittable_givs): Remove last change. Handle givs
3410 with a dest_reg that was created by loop.
3412 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
3414 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
3416 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
3418 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
3420 * configure.in: Fix NCR entries.
3422 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
3424 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
3425 nested exceptions correctly.
3427 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
3428 that was created by loop.
3430 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3432 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
3434 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
3436 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
3438 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
3439 (print_operand): Use SMALL_DATA_REG for the register involved in
3440 small data relocations.
3441 (print_operand_address): Ditto.
3443 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
3444 -dynamic linker is not used.
3446 * rs6000.md (call insns): For local calls, use @local suffix under
3447 System V. Don't use @plt under Solaris.
3449 * rs6000.c (output_function_profiler): Put label address in r0, and
3450 store LR in 4(sp) for System V/eabi.
3452 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
3453 byte boundary, and maintain stack backchain.
3455 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
3457 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
3458 fix_truncsfdi2): Change *.
3460 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
3462 * toplev.c (main): Complain about -gdwarfn.
3464 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
3466 * dwarfout.c (output_type): If finalizing, write out nested types
3467 of types we've already written.
3469 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
3471 (patches originally from Geoffrey Keating)
3472 * rs6000.c (function_arg): Excess floating point arguments don't
3473 go into GPR registers after exhausting FP registers under the
3475 (function_arg_partial_nregs): Ditto.
3477 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
3480 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
3482 * integrate.c (output_inline_function): Just unset DECL_INLINE.
3484 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
3486 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
3489 * libgcc2.c (__throw): Initialize HANDLER.
3491 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
3493 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
3494 fix_truncsfdi2): Change *X to ?*X.
3496 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
3498 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
3500 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
3502 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
3504 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
3506 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
3508 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
3510 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
3511 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
3514 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
3516 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
3517 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
3518 gas and not using the new HP assembler.
3520 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
3522 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
3523 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
3525 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
3527 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
3528 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
3531 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3533 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
3535 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3537 * except.h: Add outer_context_label_stack.
3538 * except.c: Likewise.
3539 (expand_start_all_catch): Push the outer_context for the try block
3540 onto outer_context_label_stack.
3541 (expand_end_all_catch): Use it and pop it.
3543 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
3545 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
3547 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
3549 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
3551 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
3553 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
3554 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
3556 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
3558 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
3559 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
3560 __builtin_delete, and __builtin_vec_delete.
3562 * except.c (output_exception_table): Don't bother with
3565 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
3567 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
3568 is an in/out operand.
3569 (zero extended variants of stwm/stwm patterns): Similarly.
3571 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
3573 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
3575 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
3577 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
3578 (output_call_frame_info): Emit a \n after using it.
3580 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
3582 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
3584 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
3586 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
3587 (ASM_OUTPUT_DWARF_VALUE4): New macro.
3588 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
3590 (output_call_frame_info): Do not output forward label differences
3591 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
3592 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
3594 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3596 * sh.md (attribute "type"): Add nil.
3597 (movsi_ie): y/y alternative is type nil.
3598 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
3600 (movsf_ie+1): Delete.
3602 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
3604 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
3605 large_int, emit two insns instead of one splitable insn.
3606 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
3607 from cfa_temp_value, use cfa_offset. Add assert checking that
3610 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
3612 * cccp.c (deps_output): Properly quote file names for make.
3614 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
3616 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
3618 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
3620 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
3622 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
3624 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
3626 (cse_end_of_basic_block): Similarly.
3628 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
3630 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
3631 (SELECT_RTX_SECTION): Define.
3632 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
3634 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
3636 * Makefile.in (compare, compare-lean): Define $stage for each
3638 (gnucompare, gnucompare-lean): Likewise.
3640 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
3642 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
3644 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
3645 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
3647 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
3649 * dwarfout.c (byte_size_attribute): Add local var upper_bound
3650 and add case to handle STRING_TYPE.
3651 * dwarfout.c (output_string_type_die): Fix code to generate
3652 correct string length attribute for fixed length strings.
3653 Still needs support for varying length strings.
3655 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
3657 * toplev.c (get_run_time): Do something sensible for cygwin32.
3659 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
3661 * expr.c (expand_builtin_setjmp): Set
3662 current_function_has_nonlocal_label.
3663 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
3664 call-saved registers across calls.
3666 * alpha.md (exception_receiver): Remove.
3667 (nonlocal_goto_receiver_osf): New
3668 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
3669 (nonlocal_goto_receiver): New, select _osf or _vms.
3671 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
3672 keep them from being propogated to the object file.
3673 (alpha_write_linkage): Likewise.
3674 * alpha.md (call_vms): Likewise.
3675 (call_value_vms): Likewise.
3676 (unnamed osf call insns): Likewise.
3678 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
3679 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3681 * alpha.c (call_operand): Any reg is valid for WinNT.
3682 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
3683 (anon nt calls): Add 'R' alternative.
3684 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
3685 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
3687 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
3689 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
3691 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
3692 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
3693 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
3695 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
3697 * reload1.c (new_spill_reg): Improve fixed or forbidden register
3698 spill error message.
3700 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3702 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
3703 use varargs.h. Wrap header with <>, not "".
3705 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
3707 * integrate.c (save_for_inline_copying): Add return value from
3710 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
3712 * fixincludes: Be a little more restrictive on what we will
3713 substitute to replace definitions of MAXINT for HPUX.
3715 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
3717 * dbxout.c (dbxout_symbol_location): Don't assume that variables
3718 whose address is the stack or argument pointers are indirect
3721 1997-11-13 Paul Eggert <eggert@twinsun.com>
3723 * cccp.c, cpplib.c (compare_defs):
3724 Don't complain about arg name respellings unless pedantic.
3725 * cpplib.c (compare_defs): Accept pfile as new arg.
3726 All callers changed.
3728 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3730 * fold-const.c (fold_truthop): Fix bug in last change.
3732 1997-11-13 Paul Eggert <eggert@twinsun.com>
3734 Fix some confusion with IEEE minus zero.
3736 * real.h (REAL_VALUES_IDENTICAL): New macro.
3738 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
3739 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
3741 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
3742 same tree structure as 0.0.
3744 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
3745 macro instead of doing it by hand.
3747 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
3749 * v850/lib1funcs.asm: Minor whitespace changes.
3750 * v850.c: Fix minor formatting problems in many places.
3751 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
3753 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
3755 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
3756 xplus1 when xplus0 is not a register.
3758 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
3760 * flow.c (find_basic_blocks): During marking phase, if we encounter
3761 an insn with a REG_LABEL note, make the target block live and
3762 create an edge from the insn to the target block. Do not make
3763 edges from all blocks to the target block.
3765 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
3767 * confiugre.in: Tweak NCR entries.
3768 * configure: Rebuilt.
3770 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
3772 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
3773 pick apart floating point values, instead of using CONST_DOUBLE_LOW
3774 and CONST_DOUBLE_HIGH.
3776 * rs6000.md (define_splits for DF constants): Use the appropriate
3777 REAL_VALUE_* interface to pick apart DF floating point constants in
3778 a machine independent fashion.
3780 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3782 * fold-const.c (fold_truthop): When changing a one-bit comparison
3783 against zero into a comparison against mask, do a proper sign
3786 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
3788 * except.c: Do not include "assert.h".
3789 (save_eh_status): Turn asserts into conditional aborts.
3790 (restore_eh_status, scan_region): Likewise.
3791 * dwarfout.c: Do not include "assert.h".
3792 (bit_offset_attribute): Turn asserts into conditional aborts.
3793 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
3794 (output_inlined_structure_type_die): Likewise.
3795 (output_inlined_union_type_die): Likewise
3796 (output_tagged_type_instantiation): Likewise.
3797 (dwarfout_file_scope_decl): Likewise.
3798 * dwarf2out.c: Do not include "assert.h"
3799 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
3800 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
3801 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
3802 (add_bit_size_attribute, scope_die_for): Likewise.
3803 (output_pending_types_for_scope): Likewise.
3804 (get_inlined_enumeration_type_die): Likewise.
3805 (get_inlined_structure_type_die): Likewise.
3806 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
3807 (gen_tagged_type_instantiation_die): Likewise.
3809 * flow.c (find_basic_blocks): Refine further to get a more correct
3810 cfg, especially in the presense of exception handling, computed
3811 gotos, and other non-trivial cases. Call abort if an inaccuracy
3812 is detected in the cfg.
3814 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3816 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
3818 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
3819 (skip_white_space): Use whitespace_cr.
3820 (check_newline): Handle whitespace more consistently.
3822 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
3824 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
3825 * i386/xm-cygwin32.h (POSIX): Define.
3827 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
3829 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
3830 is available elsewhere.
3832 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
3834 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
3835 what the instruction can handle.
3837 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
3839 * stmt.c (expand_decl_cleanup_no_eh): New fn.
3841 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
3843 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
3845 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
3846 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
3848 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
3850 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
3851 swap instruction order.
3853 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
3855 * fixinc.svr4 (__STDC__): Add another case.
3857 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3859 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
3860 addresses in the epilogue delay slot.
3862 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
3864 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
3865 in generated `specs' file.
3867 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
3869 * flags.h (flag_rerun_loop_opt): Declare.
3870 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
3871 * toplev.c (flag_rerum_loop_opt): Delete static.
3873 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3875 Bring over from FSF:
3877 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3879 * va-sh.h (__va_arg_sh1): Define.
3881 SH3E doesn't use any integer registers for subsequent arguments
3882 once a non-float value was passed in the stack.
3883 * sh.c (machine_dependent_reorg): If optimizing, put explicit
3884 alignment in front label for ADDR_DIFF_VEC.
3885 * sh.h (PASS_IN_REG_P): Fix SH3E case.
3886 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
3888 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3890 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
3893 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3895 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
3896 put an use_sfunc_addr before each sfunc.
3897 * sh.md (use_sfunc_addr, dummy_jump): New insns.
3898 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
3900 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3902 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
3904 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
3906 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
3909 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
3911 * alias.c (find_base_value): Only return the known base value for
3914 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
3916 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
3917 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
3919 (prologue_get_pc_and_set_got): New pattern.
3921 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
3923 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
3924 for SUBREG, just fall through.
3926 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
3928 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
3930 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
3932 * fixincludes: Fix "hypot" prototype in NeXT math.h.
3934 * Makefile.in (USE_ALLOCA): Always include alloca.o.
3935 (USE_HOST_ALLOCA): Likewise.
3937 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
3938 and LABEL_REFS fields.
3939 * rtl.h (LABEL_REFS): Update.
3941 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
3943 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
3944 sets i2dest. When calling distribute_notes for i3dest_killed, pass
3945 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
3948 * mips.md (insv, extzv, extv): Add change_address call.
3949 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
3951 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
3953 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
3955 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
3956 save_restore_insns if no FP and GP will be restored.
3958 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
3959 Convert CCmode to word_mode before calling GET_MODE_SIZE.
3961 * acconfig.h (HAVE_INTTYPES_H): Undef.
3962 * configure.in (inttypes.h): Check for conflicts between sys/types.h
3963 and inttypes.h, and verify that intmax_t is defined.
3964 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
3965 * config/mips/x-iris3: Likewise.
3967 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
3969 * alias.c (find_base_value): When copying arguments, return the
3970 tenative value for a hard register.
3972 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
3974 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
3975 (yylex): Record wide strings using target endianness, not host.
3977 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
3979 * mn10200.h (ASM_OUTPUT_BSS): Delete.
3980 (ASM_OUTPUT_ALIGNED_BSS): New macro
3981 * mn10300.h (ASM_OUTPUT_BSS): Delete.
3982 (ASM_OUTPUT_ALIGNED_BSS): New macro.
3983 * v850.h (ASM_OUTPUT_BSS): Delete.
3984 (ASM_OUTPUT_ALIGNED_BSS): New macro.
3986 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3988 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
3990 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
3992 * configure.in (sco5): Use cpio to install header files.
3994 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
3996 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
3998 * configure: Rebuild.
4000 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
4002 * i386/sco5.h: enable -gstabs once again.
4004 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
4006 * arm.c (output_move_double): Allocate 3 entries in otherops array.
4008 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
4010 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
4011 notes for sjlj exceptions too.
4012 (expand_eh_region_end): Similarly for EH_REGION_END notes.
4013 (exception_optimize): Optimize EH regions for sjlj exceptions too.
4014 * final.c (final_scan_insn): Don't output labels for EH REGION
4015 notes if doing sjlj exceptions.
4017 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
4019 * alias.c (init_alias_analysis): Handle -fno-alias-check when
4020 optimizing correctly.
4022 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
4023 or set current_function_calls_setjmp anymore.
4025 * flow.c (find_basic_blocks): If we delete the label for an
4026 exception handler, remove it from the EH label list and remove
4027 the EH_BEGIN/EH_END notes for that EH region.
4029 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
4031 * flow.c (find_basic_blocks): Generate correct flow control
4032 information when exception handling notes are present.
4034 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
4036 * dwarf2out.c (output_call_frame_info): Fix length argument
4037 to ASM_OUTPUT_ASCII.
4038 (output_die, output_pubnames, output_line_info): Likewise.
4040 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
4042 * version.c: Bump for snapshot.
4044 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
4045 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
4046 flag_debug_asm is on.
4047 (output_die, output_pubnames, output_line_info): Likewise.
4049 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
4050 and static_chain_rtx into the potential base values array if
4053 * alias.c (new_reg_base_value): New array of potential base values.
4054 (unique_id): Now file scoped static.
4055 (find_base_value, case REG): Return the value in reg_base_value
4056 array for the REG if it exists. Else, return the value from
4057 new_reg_base_value if copying args and REG is a hard register.
4058 (find_base_value, case PLUS): If either operand of the PLUS is
4059 a REG, try to get its base value. Handle base + index and
4061 (record_set): Use new_reg_base_value instead of reg_base_value.
4062 (init_alias_analysis): Allocate space for new_reg_base_value too.
4063 Rework code to iterate over the insns propagating base value
4064 information until nothing changes.
4066 * global.c (global_alloc): Free the conflict matrix after
4067 reload has finished.
4069 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
4071 * libgcc2.c (L_eh): Define __eh_pc.
4072 Replace __eh_type with generic pointer __eh_info.
4074 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
4076 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
4077 use copy_to_reg if address is not a general_operand.
4079 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4081 * profile.c (output_func_start_profiler): Clear flag_inline_functions
4082 for the duration of the call to rest_of_compilation.
4084 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
4086 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
4088 (sparc*-*-*): Recognize --with-cpu=v9.
4089 * sparc/elf.h: New file.
4090 * sparc/t-elf: New file.
4092 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
4094 * mn10300.c (const_8bit_operand): New function.
4095 (mask_ok_for_mem_btst): New funtion.
4096 * mn10300.md (btst patterns with mem operands): Use new functions
4097 to avoid creating btst instructions with invalid operands.
4099 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
4101 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
4102 are running on PowerPC Linux.
4104 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
4106 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
4107 if not previously defined.
4109 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
4111 * function.c (assign_parms): Correct mode of stack_parm if
4112 entry_parm underwent a mode conversion.
4114 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
4116 * global.c (global_alloc): Use xmalloc instead of alloca for
4117 CONFLICTS, since max_allocno * allocno_row_words alone can be more
4118 than 2.5Mb sometimes.
4120 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
4122 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
4123 DEST for the spill, adjust mode of SRC to compensate.
4125 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
4127 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
4128 since any_memory_operand() allows pseudos during reload.
4129 (reload_inhi, reload_outqi, reload_outhi): Likewise.
4131 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
4133 * m68k.md (btst patterns): Add 5200 support.
4135 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
4137 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
4138 optimizations, look inside dividend to determine if the expression
4139 can be simplified by using EXACT_DIV_EXPR.
4141 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
4144 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
4146 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
4148 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
4150 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
4152 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
4155 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
4157 * alpha.md (movqi, movhi): Make sure new insns created during reload
4158 won't need reloading themselves.
4159 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
4161 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
4163 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
4165 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
4167 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
4168 Patch from Klaus Kaempf <kkaempf@progis.de>.
4170 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
4172 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
4173 to an element in a constant string.
4175 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
4177 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
4178 bit PC-relative offset. The exception range table pointer is now in
4180 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
4181 (count_fdes, add_fdes, get_cie): Adjust.
4182 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
4185 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
4187 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
4189 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
4190 like stack_pointer_rtx.
4192 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
4194 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
4195 targets using "$@" to provide support for similar but not identical
4196 targets without having to duplicate code.
4197 (bootstrap4): New goal.
4199 * Makefile.in (compare, compare-lean, compare3): Combined to one
4200 ruleset determining actions to be performed via $@.
4201 (compare4, compare4-lean): New targets.
4202 (gnucompare, gnucompare3): Combined to one ruleset determining
4203 actions to be performed via $@. Also, note which files failed
4204 the comparison test in .bad_compare.
4205 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
4207 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
4209 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
4210 if the dividend is a multiple of the divisor.
4212 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
4214 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
4216 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
4219 * alias.c (true_dependence): Fix typo.
4221 * toplev.c (flag_rerun_loop_opt): New variable.
4222 (f_options): Handle -frerun-loop-opt.
4223 (rest_of_compilation): If -frerun-loop-opt, then run the loop
4225 (main): Enable -frerun-loop-opt by default for -O2 or greater.
4227 * loop.c (simplify_giv_expr): Adding two invariants results
4230 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
4232 * expr.c (get_inner_reference): Remove the array bias after
4233 converting the index to Pmode.
4235 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
4237 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
4238 (TARGET_MULT_BUG): Define.
4239 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
4240 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
4242 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
4244 * mn10200.c (indirect_memory_operand): Delete unused function.
4245 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
4246 * mn10200.md (bset, bclr insns): Handle output in a reg too.
4248 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
4250 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
4251 the callee's ldgp, we must do it ourselves, and we use the jsr tag
4252 for more than scheduling.
4254 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
4256 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
4258 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
4260 * mn10300.c (symbolic_operand, legitimize_address): New functions.
4261 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
4262 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
4264 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
4266 * version.c: Bump for snapshot.
4268 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4270 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
4273 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
4275 * toplev.c (flag_exceptions): Default value is 2.
4276 (compile_file): If flag_exceptions still has the value 2, then
4279 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
4280 (rs6000_save_machine_status): Save pic_offset_table_rtx.
4281 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
4283 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
4286 * rs6000.md (*movsi_got_internal_mem): New pattern.
4287 (*movsi_got_internal_mem splitter): New define_split.
4289 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
4291 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
4293 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
4295 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
4296 only need to save LR.
4298 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
4300 * mn10300.md (movqi, movhi): Avoid using address registers as
4301 destinations unless absolutely necessary.
4303 * mn10200.c (expand_prologue): Fix typo.
4305 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
4307 * mn10200.md (neghi2): Provide an alternative which works if
4308 the input and output register are the same.
4310 * mn10300.c (print_operand): Handle 'S'.
4311 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
4312 shift amount in last alternative
4314 * mn10300.c (expand_epilogue): Rework to handle register restores
4315 in "ret" and "retf" instructions correctly.
4317 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
4319 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
4320 extzv for memory operands.
4322 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
4323 redundant conditional moves to single operand.
4325 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
4327 * v850.h: Move define of __v850__ from CPP_PREDEFINES
4330 * xm-v850.h: Use __v850 rather than __v850__ to
4333 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
4335 * mips/mips.c (compute_frame_size): Not a leaf function if
4338 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
4340 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
4342 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
4344 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
4345 (DEFAULT_ARCH32_P): New macro.
4346 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
4347 (enum cmodel): Declare.
4348 (sparc_cmodel_string,sparc_cmodel): Declare.
4349 (SPARC_DEFAULT_CMODEL): Provide default.
4350 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
4351 (TARGET_FULLANY): Deleted.
4352 (TARGET_CM_MEDMID): New macro.
4353 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
4354 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
4355 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
4356 (CPP_SPEC): Rewrite.
4357 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
4358 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
4359 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
4360 (ASM_SPEC): Add %(asm_arch).
4361 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
4362 Rename asm_default to asm_cpu_default.
4363 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
4364 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
4365 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
4366 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
4367 (MASK_INT64,MASK_LONG64): Delete.
4368 (MASK_ARCH64): Renamed to MASK_64BIT.
4369 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
4370 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
4371 (TARGET_SWITCHES): Always provide 64 bit options.
4372 (ARCH64_SWITCHES): Delete.
4373 (TARGET_OPTIONS): New option -mcmodel=.
4374 (INT_TYPE_SIZE): Always 32.
4375 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
4376 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
4377 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
4378 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
4379 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
4381 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4382 * sparc/linux.h: Likewise.
4383 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
4384 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
4385 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
4386 (SPARC_DEFAULT_CMODEL): Define.
4387 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4388 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4389 (LONG_DOUBLE_TYPE_SIZE): Define.
4390 (ASM_SPEC): Add %(asm_arch).
4391 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4392 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4393 (TARGET_CPU_DEFAULT): Add ultrasparc case.
4394 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
4395 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
4396 (SPARC_DEFAULT_CMODEL): Define.
4397 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
4398 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
4399 MASK_LONG64, MASK_MEDANY.
4400 (SPARC_DEFAULT_CMODEL): Define.
4401 (CPP_PREDEFINES): Delete.
4402 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4403 (ASM_SPEC): Add %(asm_arch).
4404 (LONG_DOUBLE_TYPE_SIZE): Define.
4405 (DWARF2_DEBUGGING_INFO): Define.
4406 * sparc/splet.h (CPP_SPEC): Delete.
4407 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4408 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
4409 (BLOCK_PROFILER): Likewise.
4410 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
4411 (sparc_override_options): Handle code model selection.
4412 (sparc_init_expanders): Renamed from sparc64_init_expanders.
4413 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
4414 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
4415 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
4416 (sethi_di_fullany): Delete.
4418 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
4419 Jeff Law <law@cygnus.com>
4420 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4422 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
4423 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
4424 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
4425 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
4426 * alpha/alpha.md (arg_home): Likewise.
4428 * alpha/alpha.c (vmskrunch): Delete
4429 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
4430 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
4431 truncate to 64 characters.
4433 * make-l2.com: Support openVMS/Alpha.
4435 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
4437 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4439 * longlong.h (count_leading_zeros): Add missing casts to USItype.
4441 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
4443 * i386/bsd386.h (ASM_COMMENT_START): Define.
4445 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
4447 * tree.c (restore_tree_status): Also free up temporary storage
4448 when we finish a toplevel function.
4449 (dump_tree_statistics): Print stats for backend obstacks.
4451 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
4453 * expr.c (use_group_regs): Don't call use_reg for MEMs.
4455 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
4457 * libgcc2.c (__throw): Don't copy the return address.
4458 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
4460 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
4461 * toplev.c (main): Initialize exceptions_via_longjmp.
4463 * tree.c: Add extra_inline_obstacks.
4464 (save_tree_status): Use it.
4465 (restore_tree_status): If this is a toplevel inline obstack and we
4466 didn't want to save anything on it, recycle it.
4467 (print_inline_obstack_statistics): New fn.
4468 * function.c (pop_function_context_from): Pass context to
4469 restore_tree_status.
4470 * obstack.h (obstack_empty_p): New macro.
4472 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
4474 * i386/freebsd.h (ASM_COMMENT_START): Fix.
4476 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
4478 * v850.c (ep_memory_offset): New function.
4479 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
4481 * v850.h (CONST_OK_FOR_*): Add and correct comments.
4482 (CONSTANT_ADDRESS_P): Add comment.
4483 (EXTRA_CONSTRAINT): Define 'U'.
4484 * v850.md: Add comments on bit field instructions.
4485 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
4486 (lshrsi3): Use N not J constraint.
4488 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
4490 * v850.c (reg_or_0_operand): Call register_operand.
4491 (reg_or_int5_operand): Likewise.
4492 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
4493 (TARGET_SWITCHES): Add "big-switch".
4494 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
4495 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
4496 (CASE_DROPS_THROUGH): Comment out.
4497 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
4498 * v850.md (cmpsi): Delete compare mode.
4499 (casesi): New pattern.
4501 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
4502 * v850.md (ashlsi3): Use SImode not QImode for shift count.
4503 (lshrsi3): Likewise.
4505 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
4506 unreachable switch statement after 'b' support. Remove "b" from
4507 strings for 'b' support.
4508 * v850.md (branch_normal, branch_invert): Change %b to b%b.
4510 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
4512 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
4513 empty line if @inhibit_libc@ is empty.
4515 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
4517 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
4518 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
4519 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
4520 (DWARF2_UNWIND_INFO): Let this track object file format.
4521 (EXTRA_SECTIONS): Add in_eh.
4522 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
4523 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
4525 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
4527 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
4528 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
4530 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
4531 (output_double_int): Output DI mode values correctly when
4532 HOST_BITS_PER_WIDE_INT is 64.
4533 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
4534 fmovd so it works if a quad float ends up in one of the upper 32
4536 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
4537 necessary for PIC support on sparc64.
4539 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
4541 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
4542 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
4543 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
4544 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
4545 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
4546 (SPARC_FP_ARG_FIRST): New macro.
4547 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
4548 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
4549 (NPARM_REGS): There are 32 fp argument registers now.
4550 (FUNCTION_ARG_REGNO_P): Likewise.
4551 (FIRST_PARM_OFFSET): Update to new v9 abi.
4552 (REG_PARM_STACK_SPACE): Define for arch64.
4553 (enum sparc_arg_class): Delete.
4554 (sparc_arg_count,sparc_n_named_args): Delete.
4555 (struct sparc_args): Redefine and use for arch32 as well as arch64.
4556 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
4557 (FUNCTION_ARG_ADVANCE): Rewrite.
4558 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
4559 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
4560 (FUNCTION_ARG_CALLEE_COPIES): Delete.
4561 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
4562 (STRICT_ARGUMENT_NAMING): Define.
4563 (doublemove_string): Declare.
4564 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
4565 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
4566 (doublemove_string): New function.
4567 (output_move_quad): Clean up some of the arch64 support.
4568 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
4569 Don't add 8 bytes of reserved space if arch64.
4570 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
4571 (init_cumulative_args): New function.
4572 (function_arg_slotno): New static function.
4573 (function_arg,function_arg_partial_nregs): New functions.
4574 (function_arg_{pass_by_reference,advance}): New functions.
4575 (function_arg_padding): New function.
4576 * ginclude/va-sparc.h: Rewrite v9 support.
4578 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4580 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
4581 for hard regs to determine base and index registers.
4583 * reload.c (debug_reload_to_stream): New function. Specify stream
4584 into which to write debug info.
4585 (debug_reload): Modify to call debug_reload_to_stream with stderr.
4587 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
4589 * combine.c (can_combine_p): Don't combine with an asm whose
4590 output is a hard register.
4592 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
4594 * c-decl.c (start_struct): Ensure that structs with forward
4595 declarations are in fact packed when -fpack-struct is given.
4597 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
4598 we are packing a structure. This allows a structure with only
4599 bytes to be aligned on a byte boundary and have no padding on a
4602 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4604 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
4606 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
4608 * alpha.c (alpha_return_addr_rtx): New variable.
4609 (alpha_save_machine_status): New; save it.
4610 (alpha_restore_machine_status): New; restore it.
4611 (alpha_init_expanders): New; clear it.
4612 (alpha_return_addr): New; set it.
4613 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
4614 is overly conservative, so search the insns explicitly.
4615 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
4616 (alpha_sa_size [VMS && !VMS]): Likewise.
4617 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
4618 (INIT_EXPANDERS): New definition.
4620 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
4621 (output_prolog [!VMS]): Use them.
4623 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
4624 (alpha_does_function_need_gp): ... a new function. Refine the
4625 CALL_INSN test to just TYPE_JSR.
4626 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
4628 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
4630 * version.c: Bump for snapshot.
4632 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4634 * pa.c (move_operand): Respect -mdisable-indexing.
4635 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
4637 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
4639 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
4641 (umulsidi3,umulsi3_highpart): Ditto.
4642 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
4644 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
4646 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
4647 (alpha_handle_trap_shadows): ... a new function. Handle the entire
4648 function in one go. Emit RTL for trapb, instead of printf directly.
4649 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
4650 (trap_pending): Kill global variable.
4651 (output_epilog): Don't call final_prescan_insn.
4652 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
4653 * alpha.h (FINAL_PRESCAN_INSN): Remove.
4654 (MACHINE_DEPENENT_REORG): Define.
4655 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
4658 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
4660 Tune Haifa scheduler for Alpha:
4661 * alpha.h (ISSUE_RATE): Define.
4662 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
4663 EV4 adjustments to EV5.
4664 * alpha.md: Remove all scaling from function unit delays. Rework
4665 EV5 function units to match the CPU.
4666 (umuldi3_highpart): EV5 added the IMULH insn class.
4668 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
4670 * pa.c (following_call): Fail if the CALL_INSN is an indirect
4673 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
4675 * cplus-dem.c (demangle_signature): Don't look for return types on
4676 constructors. Handle member template constructors.
4678 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
4680 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
4681 * tree.h: Declare them.
4683 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
4685 * configure.in: Handle --with-newlib.
4686 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
4688 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
4690 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
4692 * config/ptx4.h: Fix typo.
4694 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
4696 * version.c: Bump for snapshot.
4698 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
4700 * aclocal.m4: Substitute INSTALL.
4701 * configure: Re-built.
4703 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
4705 * integrate.c (save_for_inline_copying): Avoid undefined pointer
4707 (expand_inline_function): Likewise.
4709 * dwarf2out.c (output_call_frame_info): Reinstate last change
4710 using flag_debug_asm check instead of flag_verbose_asm.
4712 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
4714 * dwarf2out.c (output_call_frame_info): Remove last change.
4716 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4718 * frame.c (__frame_state_for): Execute the FDE insns until the
4719 current pc value is strictly bigger than the target pc value.
4721 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
4723 * regclass.c (init_reg_modes): If we can't find a mode for the
4724 register, use the previous one.
4726 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
4728 * haifa-sched.c (print_block_visualization): Call fprintf directly,
4729 don't sprintf through an alloca'ed buffer.
4731 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
4733 * reload.c (decompose): Always initialize val.base.
4735 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
4737 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
4738 instead of aborting.
4739 * dwarf2out.c (output_call_frame_info): Call app_enable and
4740 app_disable to let GNU as accept the generated comments.
4742 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
4744 * tree.h (get_file_function_name): Add declaration.
4745 * dwarf2out.c (output_call_frame_info): No need to cast
4746 get_file_function_name call anymore.
4747 * profile.c (toplevel): Remove get_file_function_name
4749 * c-lang.c (finish_file): Ditto.
4751 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
4753 * Makefile.in (program_transform_name): Let autoconf substitute
4756 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
4758 * haifa-sched.c (schedule_block): If the first real insn in a
4759 block has any special notes attached to it, remove them.
4761 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
4763 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
4765 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
4767 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
4769 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
4771 * Makefile.in (check-g77): New test target.
4772 (CHECK-TARGETS): Add check-g77.
4774 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
4776 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
4778 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
4780 * flow.c (print_rtl_with_bb): Cast alloca return value for
4783 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
4785 * i386.h (RETURN_ADDR_RTX): New definition that works for
4786 __builtin_return_address(0) and -fomit-frame-pointer.
4788 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
4790 Bring over from FSF.
4791 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
4793 * mips.c (function_arg): Handle passing a struct
4794 containing a double in a DFmode register without the PARALLEL.
4796 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
4798 * pexecute.c: Use spawn if __CYGWIN32__.
4800 * pexecute.c: Include "config.h" first, as per autoconf manual
4801 (from Paul Eggert <eggert@twinsun.com>).
4803 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4805 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
4806 optimisation for f/expr.o and f/stb.o.
4808 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
4810 * cse.c (this_insn_cc0_mode): Initialize.
4812 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
4814 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
4816 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
4818 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
4820 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
4821 that pair will dual-issue on the 21164 and plus+beq won't.
4822 (bne): Likewise for cmpeq+beq.
4824 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
4826 * except.c (find_exception_handler_labels): Correct argument to free.
4828 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
4830 * except.c (find_exception_handler_labels): Free LABELS when we're
4833 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
4835 * version.c: Bump for snapshot.
4837 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
4839 * flow.c (find_basic_blocks): Mark calls as potentially jumping
4842 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
4844 * configure.in: Substitute for "install" too.
4845 * configure: Rebuilt.
4847 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
4849 * Makefile.in (bootstrap-lean, compare-lean): New targets.
4851 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
4853 * alias.c (base_alias_check): Two symbols can conflict if they
4854 are accessed via AND.
4855 (memrefs_conflict_p): Likewise.
4857 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
4858 after flushing argument registers to the stack.
4860 * Makefile.in (mostlyclean): Remove .regmove files.
4862 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4864 * libgcc2.c (__throw): Fix thinko.
4866 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
4868 * cplus-dem.c (demangle_template): Add new parameter. Handle new
4869 template-function mangling.
4870 (consume_count_with_underscores): New function.
4871 (demangle_signature): Handle new name-mangling scheme.
4873 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4875 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
4878 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
4880 * frame.c: Remove last change.
4881 * dwarf2.h: Remove last change.
4882 * tree.h: Add declarations of DWARF2 unwind info support
4885 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4887 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
4888 * tree.h (built_in_function): Likewise.
4889 * expr.c (expand_builtin): Likewise.
4890 * except.h: Likewise.
4891 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
4892 * libgcc2.c (copy_reg): New fn.
4895 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
4897 * c-typeck.c (build_binary_op): Warn about comparing signed vs
4898 unsigned if -W is specified and -Wno-sign-compare is not.
4899 * c-decl.c (warn_sign_compare): Initialize to -1.
4900 (c_decode_option): -Wall no longer implies -Wsign-compare.
4902 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4904 * frame.c: Include gansidecl.h for PROTO.
4905 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
4906 defined. Don't declare dwarf2out_cfi_label here.
4907 * dwarf2.h: Add declarations of DWARF2 unwind info support
4909 * m68k.c: Include dwarf2.h.
4910 (output_function_prologue): Add dwarf2 support.
4911 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
4912 (INCOMING_FRAME_SP_OFFSET): Likewise.
4914 * integrate.c (expand_inline_function): Make sure there is at
4915 least one insn that can be used as an insertion point.
4917 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
4919 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
4921 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
4923 * version.c: Bump for snapshot.
4925 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
4927 Bring over from FSF.
4929 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
4931 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
4932 (get_pc_via_rdpc): Renamed from get_pc_sp64.
4933 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
4935 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
4937 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
4938 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
4940 (sparc_align_{loops,jumps,funcs}_string): Declare.
4941 (sparc_align_{loops,jumps,funcs}): Declare.
4942 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
4943 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
4944 (STACK_BIAS): Define.
4945 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
4947 (SPARC_SETHI_P): New macro.
4948 (CONST_OK_FOR_LETTER_P): Use it.
4949 (ASM_OUTPUT_ALIGN_CODE): Define.
4950 (ASM_OUTPUT_LOOP_ALIGN): Define.
4951 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
4952 (sparc_align_{loops,jumps,funcs}): New globals.
4953 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
4955 (move_operand): Use SPARC_SETHI_P.
4956 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
4958 (arith11_double_operand): Likewise.
4959 (arith10_double_operand): Likewise.
4960 (finalize_pic): Finish sparc64 support.
4961 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
4962 64 bit constants if able.
4963 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
4964 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
4966 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
4967 (get_pc_sp32): Use for sparc64 as well.
4968 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
4969 (sethi_di_sp64_const): Likewise.
4970 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
4971 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
4972 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
4974 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
4976 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
4977 * sparc/linux.h (COMMENT_BEGIN): Likewise.
4978 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
4980 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
4982 Add sparc64 linux support.
4983 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
4984 to xm_file list on 32-bit sparc-linux.
4985 * sparc/xm-sp64.h: New file.
4986 * sparc/linux64.h: New file.
4987 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
4988 Don't include xm-sparc.h.
4989 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
4990 * glimits.h (LONG_MAX): Handle sparc64.
4992 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
4994 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
4995 * sparc.h (ASM_COMMENT_START): Define.
4996 * sparc.c (output_function_prologue): Use it.
4997 (sparc_flat_output_function_{epi,pro}logue): Likewise.
4999 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
5001 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
5002 use sparc.h's copies.
5003 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
5006 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5008 * sparc.c (dwarf2out_cfi_label): Add declaration.
5009 (save_regs, output_function_prologue): Remove cast for it.
5010 (sparc_flat_{save_restore,output_function_prologue): Likewise.
5011 ({save,restore}_regs): No longer inline.
5013 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5015 * fold-const.c (make_range): Correctly handle cases of converting
5016 from unsigned to signed type.
5018 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5020 * fold-const.c (merge_ranges): Make sure that if one range is subset
5021 of another, it will always be the second range. Correct (+,-) case to
5024 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
5026 * final.c (final_end_function): Also do dwarf2 thing if
5027 DWARF2_DEBUGGING_INFO.
5028 (final_start_function): Likewise.
5030 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
5032 * expmed.c (expand_divmod): If compute_mode is not the same as
5033 mode, handle the case where convert_modes() causes op1 to no
5034 longer be a CONST_INT.
5036 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
5037 note holding get_jump_flags() calculation to all JUMP_INSNs.
5038 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
5039 * rtl.c (reg_note_name): Add new note types.
5041 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
5043 * rtlanal.c (computed_jump_p): Fix typo in last change.
5045 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5047 * loop.c (indirect_jump_in_function_p): Return 0
5050 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
5052 * rs6000/xm-rs6000.h: Fix thinko in last change.
5053 * rs6000/xm-sysv4.h: Likewise.
5055 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
5057 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
5059 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
5061 * reg-stack.c (find_blocks): Fix thinko in last change.
5063 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5065 * m68k.c (output_function_prologue): Add dwarf2 support.
5067 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
5068 INCOMING_FRAME_SP_OFFSET): New definitions.
5070 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
5072 * combine.c (try_combine): Use NULL_RTX instead of '0' where
5073 appropriate in calls to gen_rtx().
5074 * cse.c (cse_main): Likewise.
5075 * emit-rtl.c (gen_label_rtx): Likewise.
5076 * expr.c (init_expr_once): Likewise.
5077 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
5078 sched_analyze, init_rgn_data_dependences,
5079 compute_block_backward_dependences): Likewise.
5080 * sched.c (schedule_insns): Likewise.
5081 * varasm.c (immed_double_const): Likewise.
5083 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
5084 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
5086 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
5088 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
5089 (MULTILIB_DEFAULTS): Define.
5090 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
5091 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
5092 (LIBGCC_SPEC): Likewise.
5093 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
5094 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
5095 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
5096 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
5097 (EXTRA_PARTS, TAROUTOPTS): Delete.
5098 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
5099 (MULTILIB_OPTIONS): Define.
5100 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
5101 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
5103 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
5105 * version.c: Bump for snapshot.
5107 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
5109 * loop.c (loop_number): Delete function. Change all references
5110 to use uid_loop_num array.
5111 * loop.h (loop_number): Delete declaration.
5112 * unroll.c (unroll_loop): Change "loop_number" references to
5113 use uid_loop_num instead.
5115 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
5117 (loop_unroll_iter): Remove unused variable and all references.
5118 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
5119 (insert_bct): Fix minor formatting problems.
5120 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
5121 (loop_unroll_iter): Removed unused decl.
5122 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
5123 Always record the unrolling factor.
5125 * cse.c (simplify_relational_operation): Set h0u just like h0s.
5126 Similarly for h1u and h1s.
5128 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
5129 (find_basic_blocks): Use computed_jump_p to determine if a
5130 particular JUMP_INSN is a computed jump.
5131 * reg-stack.c (find_blocks): Use computed_jump_p to determine
5132 if a particular JUMP_INSN is a computed jump.
5133 * rtlanal.c (jmp_uses_reg_or_mem): New function.
5134 (computed_jump_p): Likewise.
5135 * rtl.h (computed_jump_p): Declare.
5136 * genattrtab.c (pc_rtx): Define and initialize.
5137 * loop.c (loop_optimize): Always determine if the current
5138 function has a computed jump.
5139 (indirect_jump_in_function_p): Use computed_jump_p to determine
5140 if a particular JUMP_INSN is a computed jump.
5142 * loop.c (fix_bct_param): Delete unused function.
5143 (check_bct_param): Likewise.
5145 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
5147 * frame.c (__deregister_frame): Check properly for initialized object.
5149 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5151 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
5153 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5155 * jump.c (thread_jumps): check can_reverse_comparison_p before
5156 threading a reversed-condition jump.
5158 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
5159 * haifa-sched.c (update_flow_info): Likewise.
5161 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
5163 * Makefile.in (BOOT_CFLAGS): Use -O2.
5165 * configure.in (strtoul, bsearch): Have autoconf check for these
5167 * configure, config.in: Rebuilt.
5169 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
5170 * mips/mips.h (alloca): Likewise.
5171 * rs6000/xm-rs6000.h (alloca): Likewise.
5172 * rs6000/xm-sysv4.h: Likewise.
5174 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
5176 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
5177 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
5178 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
5180 * except.c (end_eh_unwinder): Subtract 1 from return address.
5181 * libgcc2.c (__throw): Likewise.
5182 (find_exception_handler): Don't change PC here. Compare end with >.
5184 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
5186 * v850.c (compute_register_save_size): Correct register
5188 * v850.md (save_interrupt, return_interrupt): Correct
5190 * v850/lib1funcs.asm (save_interrupt): Correct register number.
5191 (return_interrupt): Use stack pointer, not element pointer.
5193 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
5195 * configure.in, configure: Make sure to create the stage* and include
5196 symbolic links in each subdirectory.
5198 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
5200 * pa.md (reload_peepholes): Don't allow addresses with side
5201 effects for the memory operand.
5203 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
5205 * libgcc2.c (find_exception_handler): Subtract one from our PC when
5206 looking for a handler, to avoid hitting the beginning of the next
5209 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
5211 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
5213 * mips/abi64.h (LONG_MAX_SPEC): Define.
5214 * mips.h (LONG_MAX_SPEC): Define.
5215 (CPP_SPEC): Include long_max_spec.
5216 (EXTRA_SPECS): Include long_max_spec.
5218 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
5220 * v850.c (construct_save_jarl): Fix thinko in last change.
5222 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
5224 * version.c: Bump for snapshot.
5226 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
5228 * libgcc2.c (find_exception_handler): Not found is -1.
5230 * integrate.c (expand_inline_function): Move expand_start_bindings
5231 after expanding the arguments.
5233 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
5235 * expr.c (expand_expr): Remove previous incorrect change.
5236 If target and slot has no DECL_RTL, then call mark_addressable
5237 again for the slot after we give it RTL.
5239 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
5241 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
5242 again for the slot after we give it RTL.
5244 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
5246 * v850.c (register_is_ok_for_epilogue,
5247 pattern_is_ok_for_epilogue, construct_restore_jr,
5248 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
5250 * v850.h (pattern_is_ok_for_prologue,
5251 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
5254 * v850.md: Replace prologue and epilogue patterns with a
5255 match_parallel pattern.
5257 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
5259 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
5260 * configure.in: Use EGCS_PROG_INSTALL.
5262 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
5264 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
5265 extern inline function.
5267 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
5269 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
5270 (concat_loc_descriptor): New function.
5271 (loc_descriptor): Call it.
5272 (add_AT_location_description): Also elide the descriptor if both
5273 halves of a CONCAT are pseudos.
5274 (add_location_or_const_value_attribute): Recognize CONCAT too.
5276 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
5278 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
5280 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
5281 out-or-range reg_offset.
5282 (output_epilog): Likewise.
5284 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
5286 * cse.c (simplify_relational_operation): If MODE specifies a
5287 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
5288 is derived from the sign bit of the low word.
5290 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
5292 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
5294 * dwarf2.h: Add DW_CFA_GNU_args_size.
5295 * frame.c (execute_cfa_insn): Likewise.
5296 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
5297 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
5298 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
5299 insn, hand it off to dwarf2out_stack_adjust.
5300 (dwarf2out_begin_prologue): Initialize args_size.
5301 * frame.h (struct frame_state): Add args_size.
5302 * libgcc2.c (__throw): Use args_size.
5303 * final.c (final_scan_insn): If we push args, hand off all insns
5304 to dwarf2out_frame_debug.
5305 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
5307 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
5308 Handle epilogue restore of SP from FP.
5309 * emit-rtl.c (gen_sequence): Still generate a sequence if the
5310 lone insn has RTX_FRAME_RELATED_P set.
5312 * frame.c (extract_cie_info): Handle "e" augmentation.
5313 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
5314 absence of UNALIGNED_*_ASM_OP.
5315 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
5316 (output_call_frame_info): Use "e" instead of "z" for augmentation.
5317 Don't emit augmentation fields length.
5318 (dwarf2out_do_frame): Move outside of #ifdefs.
5319 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
5322 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
5323 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
5324 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
5325 * sparc/sun4gas.h: New file.
5326 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
5328 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
5329 __register_frame_table and __deregister_frame.
5331 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
5333 * except.c (find_exception_handler_labels): Use xmalloc instead of
5334 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
5337 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
5339 * Makefile.in: Various changes to build info files
5340 in the object tree rather than the source tree.
5342 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
5344 * fixinc.math: New file to fix math.h on some systems.
5345 * configure.in (freebsd, netbsd): Use fixinc.math on these
5347 * configure: Rebuilt.
5349 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
5351 * regmove.c (regmove_optimize): If we end up moving the
5352 original insn due to lifetime overlaps, make sure to move
5355 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
5357 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
5359 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
5361 * haifa-sched.c (add_branch_dependences): Make each insn in
5362 a SCHED_GROUP_P block explicitly depend on the previous insn.
5364 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
5366 * except.h: Prototype dwarf2 hooks.
5369 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
5371 * configure.in (native_prefix): Delete.
5372 (mips-dec-netbsd): Don't set prefix.
5373 (*linux*): Don't set prefix.
5375 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
5377 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
5378 defined. If not defined, include <sys/varargs.h> if
5379 HAVE_SYS_VARARGS_H is defined.
5380 * configure.in: Test for varargs.h and sys/varargs.h.
5381 * configure: Regenerate with autoconf.
5382 * config.in: Regenerate with autoheader.
5384 * cpplib.c (quote_string): Cast first arg of sprintf call
5385 from "unsigned char *" to "char *".
5386 (output_line_command): Ditto.
5387 (macroexpand): Ditto.
5388 (do_line): Cast atoi arg from "unsigned char *" to "char *".
5390 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
5392 * version.c: Bump for snapshot.
5394 * Makefile.in (compare): Exit with nonzero status if there
5395 are comparison failures. Note which files failed the
5396 comparison test in .bad_compare.
5398 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5400 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
5402 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
5404 * Makefile.in (LN, LN_S): New macros, use where appropriate.
5405 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
5406 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
5407 * configure: Regenerated.
5409 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
5411 * loop.c (strength_reduce): Fix typo.
5413 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
5415 * m88k/m88k.c (struct option): Rename to struct options.
5416 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
5417 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
5418 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
5419 __DOLPHIN__ or sysV88.
5421 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
5423 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
5426 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
5428 * config.sub: Accept 'amigados' for backward compatability.
5430 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5432 * Makefile.in (testsuite/site.exp): New target.
5433 (check-gcc, check-g++): Depend on testsuite/site.exp.
5434 Don't stop for failure.
5436 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
5438 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
5439 if DWARF2_UNWIND_INFO.
5441 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
5443 Add support for exception handling using DWARF 2 frame unwind info.
5444 Currently works on SPARC and MIPS, and almost on x86.
5446 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
5447 next_stack_level, in_reg_window): Helper fns.
5448 (__throw): Implement for DWARF2_UNWIND_INFO.
5450 * expr.c (expand_builtin): Handle builtins used by __throw.
5451 * tree.h (enum built_in_function): Add builtins used by __throw.
5452 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
5453 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
5454 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
5455 (expand_builtin_extract_return_addr): Likewise.
5456 (expand_builtin_frob_return_addr): Likewise.
5457 (expand_builtin_set_return_addr_reg): Likewise.
5458 (expand_builtin_eh_stub): Likewise.
5459 (expand_builtin_set_eh_regs): Likewise.
5460 (eh_regs): Choose two call-clobbered registers for passing back values.
5462 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
5463 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
5464 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
5465 (stmp-multilib): Likewise.
5466 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
5468 * except.c: #include "defaults.h".
5469 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
5470 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
5471 (register_exception_table_p): New fn.
5472 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
5473 (end_eh_unwinder): Likewise.
5475 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
5476 call __register_frame and __deregister_frame as needed.
5477 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
5478 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
5479 EH_FRAME_SECTION_ASM_OP.
5480 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
5481 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
5482 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
5484 * dwarf2out.c (output_call_frame_info): If no support for
5485 EXCEPTION_SECTION, mark the start of the frame info with a
5487 * collect2.c (frame_tables): New list.
5488 (is_ctor_dtor): Recognise frame entries.
5489 (scan_prog_file): Likewise.
5490 (main): Pass -fno-exceptions to sub-compile. Also do collection
5491 if there are any frame entries.
5492 (write_c_file_stat): Call __register_frame_table and
5493 __deregister_frame as needed.
5494 (write_c_file_glob): Likewise.
5496 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
5497 Also require unaligned reloc support.
5498 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5499 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
5500 * sparc/sysv4.h: Not here.
5502 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
5503 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
5504 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
5506 * libgcc2.c (L_eh): Reorganize, moving code shared by different
5507 EH implementations to the top.
5508 (find_exception_handler): Split out. Start from 0. Compare against
5510 (__find_first_exception_table_match): Use it.
5511 * except.c (output_exception_table): Don't do anything if there's
5512 no table. Don't output a first entry of zeroes.
5513 (eh_outer_context): Adjust properly.
5514 (add_eh_table_entry): Use xrealloc.
5515 * toplev.c (compile_file): Just call output_exception_table.
5517 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
5519 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
5521 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
5523 * except.c (eh_outer_context): Do masking using expand_and.
5525 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
5527 Add port done awhile ago for the ARC cpu.
5528 * arc/arc.h: New file.
5529 * arc/arc.c: New file.
5530 * arc/arc.md: New file.
5531 * arc/initfini.c: New file.
5532 * arc/lib1funcs.asm: New file.
5533 * arc/t-arc: New file.
5534 * arc/xm-arc.h: New file.
5535 * ginclude/va-arc.h: New file.
5536 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
5537 * ginclude/varargs.h: Likewise.
5538 * Makefile.in (USER_H): Add va-arc.h.
5539 * configure.in (arc-*-elf*): Recognize.
5540 * longlong.h: Add ARC support.
5542 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
5544 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
5545 when clearing non-BLKmode data.
5547 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
5549 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
5550 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
5552 * xm-m88k.h (USG): Only define if it hasn't already been defined.
5554 * Makefile.in (risky-stage1): Delete gratutious whitespace.
5556 * Makefile.in (clean): Delete libgcc1-test.
5558 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
5560 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
5562 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
5565 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5567 * dwarf2out.c (output_call_frame_info): Call named_section.
5569 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
5571 * haifa-sched.c (print_value): Fix last change.
5573 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
5575 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
5578 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
5580 * mips.c (function_prologue): Set up the CFA when ABI_32.
5582 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
5583 for dwarf2 unwind info.
5584 (output_function_prologue, sparc_flat_output_function_prologue): Same.
5586 * final.c (final_end_function): Check dwarf2out_do_frame instead
5587 of DWARF2_DEBUG for dwarf2 unwind info.
5588 (final_scan_insn): Likewise.
5589 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
5592 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
5595 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
5597 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
5599 * v850.h (ASM_SPEC): Pass on target processor.
5600 (CPP_PREDEFINES): Only define if not already specified.
5601 (TARGET_VERSION): Only define if not already specified.
5602 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
5604 (EXTRA_SWITCHES): Extra entries in the switches array.
5605 (TARGET_DEFAULT): Set default target processor.
5607 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
5609 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
5610 cases, add %# and %/, and add : to make them into extended asms.
5612 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
5614 * alias.c (init_alias_analysis): Clean up incompatible pointer
5615 type warning in bzero.
5616 * regmove.c (regmove_optimize): Ditto.
5617 * haifa-sched.c (find_rgns): Ditto.
5619 * haifa-sched.c (print_value): Clean up ptr->int cast
5622 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
5624 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
5625 * install.texi (Configurations): Ditto.
5626 * config.sub: Ditto.
5628 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
5630 * Makefile.in (sdbout.o): Depend on insn-config.h.
5632 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
5634 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
5635 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
5637 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
5639 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
5640 prologue insn, only the first elt is significant.
5641 (output_call_frame_info): For exception handling, always use 4-byte
5642 fields as specified by the dwarf2 spec.
5643 Don't skip trivial FDEs.
5645 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
5647 * version.c: Bump for snapshot.
5649 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
5651 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
5652 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
5655 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
5657 * final.c (shorten_branches): During first pass, assume worst
5658 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
5660 * Makefile.in (distclean): Remove various things left around
5661 by running the testsuite.
5663 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
5665 * configure.in (out_file): Emit definition to config.status in order
5666 to have a defined value for configure.lang.
5667 * configure: Re-built.
5669 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
5671 * configure.in: Make symlink to as-new rather than as.new. Similarly
5673 * configure: Rebuilt.
5675 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
5677 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
5679 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
5681 * sparc/sparc.md: Add ultrasparc scheduling support.
5682 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
5684 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
5686 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
5687 as initial value for real_label_map.
5688 (copy_for_inline): Likewise.
5690 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5692 * sched.c (update_flow_info) When looking if to set found_split_dest
5693 or found_orig_dest, look at all parts of a PARALLEL.
5694 * haifa-sched.c (update_flow_info): Likewise.
5696 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
5698 * v850: New directory for v850 port.
5699 * v850/lib1funcs.asm: New file.
5700 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
5701 * ginclude/va-v850.h: New file.
5702 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
5703 * configure.in (mn10200-*-*): New target.
5704 * configure: Rebuilt.
5705 * config.sub: Handle v850-elf.
5706 * Makefile.in (USER_H): Add va-mn10200.h.
5707 * invoke.texi: Document v850 stuff.
5709 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
5711 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
5712 has integer TYPE_{MAX,MIN}_VALUE before using them.
5714 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
5715 __HPUX_ASM__ versions.
5717 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
5719 * install.sh: Delete duplicate install script.
5721 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
5723 * reg-stack.c (subst_stack_regs): Pop the stack register for a
5724 computed goto which sets the same stack register.
5726 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
5727 destination are both on the regstack.
5728 (subst_stack_regs_pat): Put the destination at the top of the regstack.
5730 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
5732 * mips.md (nonlocal_goto_receiver): Define.
5734 * profile.c (output_arc_profiler): Check next_insert_after for non
5735 NULL before deferencing it.
5737 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
5739 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
5741 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
5743 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
5745 * toplev.c (rest_of_compilation): For passes starting with
5746 flow_analysis, use print_rtl_with_bb instead of print_rtl.
5748 * print-rtl.c (print_rtl_single): Print a single rtl value to a
5751 * flow.c (print_rtl_with_bb): Print which insns start and end
5752 basic blocks. For the start of a basic block, also print the live
5755 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
5757 * toplev.c (main): Change #elif to #else/#ifdef
5759 * tlink.c: Include ctype.h.
5760 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
5762 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
5764 * bitmap.c: Conditionally include stdlib.h.
5765 (free): Provide a declaration if NEED_DECLARATION_FREE.
5767 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
5769 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
5771 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
5773 * profile.c (output_arc_profiler): Verify next_insert_after is an
5774 INSN before and after skipping a stack pop.
5776 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5778 * final.c (shorten_branches): Don't count the lengths of deleted
5781 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
5783 * version.c: Bump for snapshot.
5785 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
5787 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
5788 two bitmaps ANDed together.
5789 (bitmap_print): Declare.
5791 * bitmap.c (function_obstack): Don't declare any more.
5792 (bitmap_obstack): Obstack for allocating links from.
5793 (bitmap_obstack_init): New static to say whether to initialize
5795 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
5796 (bitmap_release_memory): Free all memory allocated from
5799 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
5800 EXECUTE_IF_AND_IN_BITMAP.
5802 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
5804 * alias.c (true_dependence): Address with AND can alias scalars.
5805 (anti_dependence, output_dependence): Likewise.
5807 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
5809 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
5811 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
5812 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
5813 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
5814 definitions. Use -qrtems instead of -mrtems.
5816 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
5818 * xm-sco5.h (sys_siglist): Define.
5819 (SYS_SIGLIST_DECLARED): Likewise.
5821 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
5823 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
5825 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
5827 * except.c (eh_outer_context): Expand masking operation using
5830 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
5832 * alpha.md (floatdisf2-1): New pattern.
5834 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
5836 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
5837 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
5838 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
5839 * gcc.texi: Note that if you define sys_siglist that you should
5840 also define SYS_SIGLIST_DECLARED.
5842 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
5843 are relative to the next instruction, not the current instruction.
5845 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
5847 * local-alloc.c (contains_replace_regs): New function.
5848 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
5849 verify that there is no existing REG_EQUIV note, and add a call to
5850 contains_place_regs.
5852 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5854 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
5855 (STARTFILE_SPEC): Always use crtbegin.o%s
5856 (ENDFILE_SPEC): Always use crtend.o%s.
5858 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
5860 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
5862 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
5863 SFmode for 64 bit hosts.
5865 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
5867 * fixincludes: Permits spaces between # and define. Discard C++
5868 comments in sys/pci.h on HP/UX 10.20.
5870 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
5872 * version.c: Bump for snapshot.
5874 * pa.c (restore_unscaled_index_insn_codes): New function.
5875 (record_unscaled_index_insn_codes): Likewise.
5876 (output_function_prologue): Call restore_unscaled_index_insn_codes.
5877 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
5878 (pa_reorg): Call record_unscaled_index_insn_codes.
5880 * haifa-sched.c (move_insn): Handle notes correctly for insns
5881 with SCHED_GROUP_P set.
5883 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5885 * alpha/xm-linux.h (USE_BFD): Undef before define.
5887 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
5889 * cse.c (cse_insn): Don't record BLKmode values.
5891 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
5893 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
5895 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
5897 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
5898 * collect2.c (sys_errlist): Likewise.
5899 * cpplib.c (sys_errlist): Likewise.
5900 * gcc.c (sys_errlist): Likewise.
5901 * protoize (sys_errlist): Likewise.
5902 * configure.in: Check for strerror.
5903 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
5904 * xm-gnu.h (HAVE_STRERROR): Likewise.
5905 * xm-linux.h (HAVE_STRERROR): Likewise.
5906 * xm-netbsd.h (HAVE_STRERROR): Likewise.
5907 * xm-bsd386.h (HAVE_STRERROR): Likewise.
5908 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
5909 * xm-dos.h (HAVE_STRERROR): Likewise.
5910 * xm-mingw32.h (HAVE_STRERROR): Likewise.
5911 * xm-pa.h (HAVE_STRERROR): Likewise.
5912 * xm-papro.h (HAVE_STRERROR): Likewise.
5913 * xm-sysv4.h (HAVE_STRERROR): Likewise.
5914 * configure, config.in: Rebuilt.
5916 * Makefile.in: Add several missing "else true" clauses.
5918 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
5919 * mips-tfile.c: Likewise.
5920 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
5921 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
5922 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
5923 * configure.in: Check for sys_siglist declaration.
5924 * configure, config.in: Rebuilt.
5926 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
5928 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
5929 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
5930 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
5931 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
5932 * rs6000/sysv4.h (extra_subtarget_switches): Added new
5933 macro EXTRA_SUBTARGET_SWITCHES.
5934 * configure.in (sh*-*-rtems*): New target.
5935 * sh/rtems.h: New file.
5936 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
5937 * configure: Rebuilt.
5939 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
5941 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
5943 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
5945 * rs6000.md: Make DF fused-add operations pay attention to
5948 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
5950 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
5952 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
5954 * pa.md (reload_peepholes): Make sure operand is a REG before
5955 examining REGNO. Allow general registers too.
5957 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
5959 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
5961 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
5963 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
5964 to reallocate abbrev_die_table.
5966 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
5968 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
5970 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5972 * Makefile.in (config.status): Depend on version.c
5974 * expr.h (insn_gen_function): Reenable prototype.
5976 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
5979 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
5981 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
5983 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
5985 * version.c: Bump for latest snapshot.
5987 * bc-optab.c: Conditionally include stdlib.h.
5988 (free): Provide a declaration if NEED_DECLARATION_FREE.
5989 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
5990 * rtl.h (free): Remove declaration.
5991 * tree.h (free): Remvoe declaration.
5993 * configure: Rebuilt.
5995 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
5997 * flags.h (flag_move_all_movables): Declare.
5998 (flag_reduce_all_givs): Likewise.
5999 * loop.c (move_movables): Handle flag_move_all_movables.
6000 (strength_reduce): Handle flag_reduce_all_givs.
6001 * toplev.c (flag_move_all_movables): Define.
6002 (flag_reduce_all_givs): Likewise.
6003 (f_options): Add -fmove-all-movables and -freduce-all-givs.
6004 * invoke.texi: Document new options, including alias stuff that
6005 wasn't included last time.
6007 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
6009 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
6012 * t-vxworks68: Ditto.
6013 * t-vxworks960: Ditto.
6016 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
6018 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
6019 if not already defined, and USE_C_ALLOCA not defined.
6021 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
6023 * config.guess: Replace with script that uses ../config.guess.
6025 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
6026 if USE_GNULIBC_1 is not defined.
6028 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
6030 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
6031 * config.guess: Recognize alpha-linux-gnulibc1.
6032 * configure.in (alpha-*-linux-gnulibc1): New target.
6033 (alpha-*-linux-gnu*): Don't build crtbegin/end.
6035 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
6037 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
6040 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
6042 * loop.c (combine_movables): Earlier insns don't match later ones.
6044 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6046 * config/linux.h (CC1_SPEC): Define it only if not defined.
6048 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
6051 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
6052 USE_GNULIBC_1 is not defined.
6054 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
6056 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
6057 as 1 if USE_GNULIBC_1 is not defined.
6059 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
6061 * reorg.c (dbr_schedule): Allow current_function_return_rtx
6062 to be something other than a REG.
6063 * function.c (expand_function_end): Fix current_function_return_rtx
6066 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
6067 * x-netbsd: Likewise
6068 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
6069 (INSTALL_HEADERS): Delete.
6070 * x-dguxbcs: Likewise.
6071 * x-hp3bsd44: Likewise
6074 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6076 * i386.md (pop): pop increments the stack pointer.
6077 (prologue_set_stack_ptr): New pattern.
6078 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
6081 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
6083 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
6084 address where an offsettable address is required.
6086 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
6088 * loop.c (check_final_value): Don't miss a biv increment in a
6091 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
6093 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
6094 TYPE_DECL_IS_STUB instead of DECL_NAME.
6096 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6098 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
6100 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
6102 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
6104 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
6106 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
6107 (find_post_sched_live): Likewise.
6109 * haifa-sched.c (schedule_block): Remove old code to get arguments
6110 from hard regs into pseudos early.
6112 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
6114 * version.c: Bump for new snapshot.
6116 * local-alloc.c (update_equiv_regs): All the target to reject
6117 promotion of some REG_EQUAL to REG_EQUIV notes.
6118 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
6120 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
6123 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
6124 store of the argument registers.
6126 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
6128 * fold-const.c (multiple_of_p): New function.
6129 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
6131 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
6133 * expr.h (insn_gen_function): Temporarily remove prototype.
6135 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
6137 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
6138 filenames. Use sed to extract base filename for install.
6140 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
6142 * unroll.c (find_splittable_givs): Only share if two givs have the
6143 same add and multiply values.
6145 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
6147 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
6148 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
6150 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
6152 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
6153 around branch tables.
6154 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
6155 and .end_brtab directives if TARGET_GAS.
6157 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
6159 * alias.c (true_dependence): Pass x_addr not x to varies.
6161 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
6162 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
6163 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
6165 * config.in, configure: Regenerate.
6167 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
6169 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
6171 (record_set): Handle LO_SUM like PLUS.
6172 (init_alias_analysis): When following chains of base addresses,
6173 do not stop on reaching a hard register.
6175 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
6177 * version.c: Bump for new snapshot.
6179 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
6181 * alpha.h (ARCH_ASM_FILE_START): Define.
6182 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
6183 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
6185 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
6187 * Makefile.in (install-common): Put gcov comment at start of line.
6189 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
6191 * alias.c (init_alias_analysis): When simplifying the reg_base_value
6192 array, simplify entries for hard registers too.
6194 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
6196 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
6199 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
6201 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
6202 block_stack before dereferencing it.
6204 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
6206 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
6208 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
6210 * cplus-dem.c: Add 'extern' to prepends_underscore.
6212 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
6214 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
6215 (get_issue_rate): Delete.
6216 * pa.h (ISSUE_RATE): Define.
6218 * configure.in: Turn on haifa by default for the PA.
6219 * configure: Rebuilt.
6220 * pa.c (override_options): Accept -mschedule=7200 option.
6221 (pa_adjust_cost): No longer need to scale costs for newer
6223 * pa.h (enum processor_type): Add PROCESSOR_7200.
6224 * pa.md: Revamp scheduling parameters to work better with
6225 haifa. Add scheduling parameters for the 7200.
6227 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
6229 (schedule_block): When adjusting basic_block_{head,end}, account
6230 for movement of SCHED_GROUP_P insns too.
6232 * haifa-sched.c (debug_dependencies): Fix thinko.
6234 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
6235 (site.exp, check, check-g++, check-gcc): New targets.
6237 * haifa-sched.c: Make lots of variables static.
6239 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6241 * expr.h, real.h: Finish prototyping.
6243 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
6245 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
6246 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
6247 * reload1.c: Undo bugfix from Aug 11.
6249 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
6251 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
6252 quotes around the name.
6253 * configure: Regenerate.
6255 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
6257 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
6259 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
6261 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
6262 to sub-makes to avoid building more passes than the user might have
6263 requested on the command line.
6265 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
6267 * configure.in: Expurgate `broken_install' (install is
6270 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
6273 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
6275 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
6276 functions and declarations.
6277 (analyze_loop_iterations): Use condjump_p.
6278 (insert_bct): Likewise. Use exact_log2.
6280 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
6282 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
6283 (schedule_region): Likewise.
6284 (schedule_insns): Likewise.
6286 * PROJECTS: Update with Haifa stuff.
6288 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
6290 * version.c: Change the version string to look like:
6291 egcs-2.90.00 970814 (gcc2-970802 experimental).
6293 * loop.c (is_conditional_branch): Make definition match declaration.
6295 * gcc.c: Take out experimental snapshot warning message.
6297 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
6299 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
6300 print out the names of the notes. Print out the name of the insn
6301 that is not a note, and not an {,CALL_,JUMP_}INSN.
6303 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6305 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
6306 again for the slot after we give it RTL.
6308 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
6310 * configure.in (haifa configury): Fix typo.
6311 * configure: Regenerate.
6313 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
6315 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
6317 * gcc.info*: Rebuilt.
6319 * COPYING.g77, README.g77: New files.
6320 * real.c (ereal_unto_float, ereal_unto_double): New functions.
6321 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
6322 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
6324 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
6326 * Integrate Haifa instruction scheduler.
6327 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
6328 to sched with $(SCHED_CFLAGS.
6329 * configure.in: Handle --enable-haifa.
6330 * configure: Rebuilt.
6331 * flags.h: Add new flags for haifa instruction scheduler.
6332 * genattrtab.c (expand_units): For haifa, don't subtract one
6333 when computing blockage.
6334 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
6335 (flag_schedule_speculative): Ditto.
6336 (flag_schedule_speculative_load): Ditto.
6337 (flag_schedule_speculative_load_dangerous): Ditto.
6338 (flag_schedule_reverse_before_reload): Ditto.
6339 (flag_schedule_reverse_after_reload): Ditto.
6340 (flag_branch_on_count_reg): Ditto.
6341 (f_options): Add Haifa switches.
6342 (main): Turn off some Haifa options if appropriate macro is
6343 defined. Process Haifa switches.
6344 * unroll.c (iteration_info): No longer static, since Haifa
6346 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
6347 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
6348 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
6349 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
6350 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
6351 storage for the Haifa scheduler.
6352 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
6354 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
6355 are defined, call analyze_loop_iterations and insert_bct to use
6357 (record_giv): Refine test for jumps out of loops if HAIFA is
6359 (analyze_loop_iterations): New function to identify if we can use
6361 (insert_bct): Insert countdown loop.
6362 (instrument_loop_bct): Low level code to insert countdown loop.
6363 (loop_number): Calculate UID of loop.
6364 (indirect_jump_in_function_p): Return true if an indirect jump is
6366 (is_power_of_2): Return true if value is a power of 2.
6367 (is_conditional_branch): Return true if insn is a conditional
6369 (fix_bct_param): Process -fbct-{min,max}-N switches.
6370 (check_bct_param): Return true if loop should be instrumented.
6371 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
6372 (loop_optimize): Initialize.
6373 (get_condition_for_loop): Ditto.
6374 * loop.c (strength_reduce): Inside of code that uses #ifdef
6375 HAVE_decrement_and_branch_on_count code, test it to make sure the
6377 (instrument_loop_bct): Ditto.
6378 * haifa-sched.c: New file.
6381 * Integrate regmove pass.
6382 * Makefile.in (OBJS): Add regmove.o
6383 (regmove.o): Add dependencies.
6384 * flow.c (find_use_as_address): No longer static.
6385 * rtl.h (find_use_as_address): Declare.
6386 * toplev.c (regmove_dump, flag_regmove): Define.
6387 (f_options): Add -fregmove.
6388 (regmove_dump_file, regmove_time): Define.
6389 (fatal_insn): Close the regmove dump file.
6390 (compile_file): Initialize regmove_time; open/close the regmove dump
6391 file as needed. Print regmove time as needed.
6392 (rest_of_compilation): Run regmove pass if requested, dump
6393 RTL after regmove if requested.
6394 (main): If -O2 or more, turn on regmove. Handle dump switches.
6395 * regmove.c: New file.
6397 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
6399 * Integrate tlink patch from jason@cygnus.com
6400 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
6401 (process_command): Increment n_switches for them. Don't discard
6402 their args. Validate them.
6403 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
6405 (process_command): Set include_prefixes from COMPILER_PATH.
6406 (main): Set COLLECT_GCC_OPTIONS sooner.
6407 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
6408 * tlink.c, hash.c, hash.h: New files.
6409 * Makefile.in (USE_COLLECT2): Always use collect2.
6410 (collect2): Depend on and link in hash.o and tlink.o.
6411 (tlink.o, hash.o): Add dependencies.
6413 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
6415 * Integrate alias analysis changes from jfc@mit.edu
6416 * Makefile.in (OBJS): Add alias.o
6417 (alias.o): Add dependencies.
6418 * alias.c: New file.
6419 * sched.c: Remove alias analysis code. It lives in alias.c now.
6420 (sched_analyze_2): Add new arguments to true_dependence.
6421 (schedule_insns): Always call init_alias_analysis.
6422 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
6423 mark return value from such functions as a pointer and keep track of
6424 them for alias analysis. If a return value from a function is a
6425 pointer, mark it as such.
6426 * combine.c (distribute_notes): Handle REG_NOALIAS.
6427 * cse.c (struct write_data): Delete. No longer needed.
6428 (invalidate): Don't call set_nonvarying_address_components anymore.
6429 Use true_dependence to decide if an entry should be removed from
6431 (invalidate_memory): Remove WRITES argument, simplify appropriately.
6433 (note_mem_written): Similarly for WRITE_PTR argument.
6434 (invalidate_from_clobbers): Similarly for W argument.
6435 (invalidate_for_call): Remove memory elements from the hash table.
6436 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
6437 (cse_rtx_varies_p): New function. Derived from old
6438 cse_rtx_addr_varies_p.
6439 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
6440 Don't call note_mem_written anymore. Stack pushes invalidate the stack
6441 pointer if PUSH_ROUNDING is defined. No longer need to call
6442 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
6443 (skipped_writes_memory): Remove variable.
6444 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
6445 (invalidate_skipped_block): Simplify for new alias analysis code.
6446 (cse_set_around_loop): Likewise.
6447 (cse_main): Call init_alias_analysis.
6448 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
6449 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
6450 (f_options): Add new alias checking arguments.
6451 (main): Set flag_alias_check when optimizing.
6452 * local_alloc (validate_equiv_mem_from_store): Add new arguments
6454 (memref_referenced_p): Likewise.
6455 * loop.c (NUM_STORES): Increase to 30.
6456 (prescan_loop): Only non-constant calls set unknown_address_altered.
6457 (invariant_p): Add new arguments to true_dependence.
6458 (record_giv): Initialize unrolled and shared fields.
6459 (emit_iv_add_mult): Call record_base_value as needed.
6460 * loop.h (struct induction): Add unrolled and shared fields.
6461 * unroll.c (unroll_loop): Call record_base_value as needed.
6462 (copy_loop_body): Likewise.
6463 (final_biv_value): Likewise.
6464 (final_giv_value): Likewise.
6465 (find_splittable_regs): Likewise. Only create one new pseudo
6466 if we have multiple address GIVs that were combined with the same
6467 dst_reg GIV. Note when a new register is created due to unrolling.
6468 * rtl.c (reg_note_name): Add REG_NOALIAS.
6469 * rtl.h (enum reg_note): Similarly.
6470 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
6471 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
6472 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
6473 (true_dependence, read_dependence, anti_dependence): Likewise.
6474 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
6475 (mark_user_reg, mark_reg_pointer): Likewise.
6478 * Integrate reload bugfix from Wilon which enables the PA port
6480 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
6481 OPERAND_ADDRESS when computing how many registers an insn needs.
6482 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
6484 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
6486 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
6487 in reload_reg_use_in_op_addr do not reach the end.
6488 do not reach the end.
6489 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
6490 RELOAD_FOR_OPERAND_ADDRESS.
6492 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
6494 * egcs project officially starts.