1 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
4 "recog.h" for offsettable_memref_p.
5 (legitimize_pic_address): Remove unused variable `offset'.
6 (notice_update_cc): Change return type to void. Add default label
8 (standard_68881_constant_p): Remove unused variable mode.
9 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
10 (const_int_cost): Explicitly declare as returning int.
11 (output_dbcc_and_branch): Change return type to void.
13 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
14 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
15 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
17 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
19 * version.c: Bump for snapshot.
21 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
23 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
24 check for 'M' constraint.
26 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
28 * cccp.c (create_definition): If pedantic, call pedwarn for macro
31 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
33 * i386.c (ix86_logical_operator): New function.
34 (split_di): Ensure that when a MEM is split, the resulting MEMs have
36 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
39 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
40 Richard Earnshaw <rearnsha@arm.com>
41 Nick Clifton <nickc@cygnus.com>
43 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
45 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
47 * cse.c (rtx_cost): Provide a default case in an enumeration
48 switch, and call DEFAULT_RTX_COSTS if it's defined.
50 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
52 * basic-block.h (compute_preds_succs): Change return type in
54 * flow.c (compute_preds_succs): Likewise in function definition.
56 * regmove.c (find_matches): Cast char used as array index to unsigned char
59 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
61 * i386.h (RTX_COSTS): Insert braces around nested if.
62 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
65 * gcc.c (default_compilers): Properly put brackets around array elements in
68 * getopt.c (_getopt_internal): Add explicit braces around nested if;
71 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
72 (record_reg_life_pat): Add explicit parens around && and || in expression.
73 (stack_reg_life_analysis): Add parens around assignment used as expression.
74 (convert_regs): Likewise.
76 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
78 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
79 change callers accordingly.
81 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
82 and definition; change all callers accordingly.
84 * except.c (init_eh): Avoid assignment of unused return value of
85 build_pointer_type; cast it to void, instead, and remove unused
88 * gcc.c (lang_specific_driver): Define prototype only #ifdef
90 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
92 * genoutput.c (output_epilogue): Initialize next_name to 0.
94 * real.c (efrexp): #if 0 prototype and function definition.
102 * reload.c (push_secondary_reload): Define prototype only
103 #ifdef HAVE_SECONDARY_RELOADS.
105 * varasm.c (assemble_static_space): Define rounded only
106 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
108 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
110 * i386.md (andsi): Add default case in enumeration switch.
115 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
117 * c-decl (finish_struct): Change type of min_align to unsigned.
119 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
120 remove unused variable len.
122 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
123 comment indicating this is proper behaviour.
124 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
126 (based_loc_descr): Likewise.
128 * enquire.c (bitpattern): Change type of variable i to unsigned.
130 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
132 * flow.c (life_analysis): Change type of variable i to size_t;
133 remove unused variable insn.
135 * gcc.c (translate_options): Change type of variables optlen, arglen and
137 (input_filename_length): Change type to size_t.
138 (do_spec_1): Change type of variable bufsize to size_t.
139 (main): Change type of variables i and j to size_t;
140 remove subblock local definition of variable i.
141 (lookup_compiler): Change type of second argument to size_t;
142 change type of variable i to size_t.
144 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
146 * genopinit.c (get_insn): Change type of variable pindex to size_t.
148 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
150 * global.c (global_alloc): Change type of variable i to size_t.
152 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
154 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
155 (expand_end_case): Change type of variable count to size_t.
157 * toplev.c (main): Change type of variable j to size_t.
158 (set_target_switch): Change type of variable j to size_t.
159 (print_switch_values): Change type of variable j to size_t;
160 remove unused variable flags.
162 * varasm.c (assemble_variable): Change type of variable align to size_t.
163 (const_hash_rtx): Change type of variable i to size_t.
165 1998-03-11 Mark Mitchell <mmitchell@usa.net>
167 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
168 TREE_VEC if that's what it really is.
170 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
172 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
175 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
177 * gthr.h: Changed the comment about return values.
178 * gthr-solaris.h (__gthread_once): Do not use errno; return the
179 error number instead of -1.
180 (__gthread_key_create): Any non-zero return value is an error.
181 * libgcc2.c (eh_context_initialize): Check for non-zero return
182 value from __gthread_once.
183 Check that the value of get_eh_context was really changed.
185 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
187 * sh.h (LOOP_ALIGN): Only align when optimizing.
188 * sh.c (find_barrier): Clear inc for CODE_LABELs.
189 When not optimizing, calculate alignment for BARRIERs directly.
191 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
193 * final.c (shorten_branches): Remove conditionalizing on
194 SHORTEN_WITH_ADJUST_INSN_LENGTH
195 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
197 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
199 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
200 an unconditional jump around deleted blocks.
202 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
204 * profile.c (branch_prob): If see computed goto, call fatal instead of
207 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
209 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
210 Patch from Bruno Haible.
212 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
213 (assign_parms): Set aggregate if hide_last_arg and last_named.
215 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
217 * final.c (shorten_branches): Initialize insn_addresses.
219 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
221 * sh.h (MUST_PASS_IN_STACK): Define.
223 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
225 * final.c (shorten_branches): Fix minor logic error in
226 ADDR_DIFF_VEC shortening support.
228 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
230 * version.c: Bump for snapshot.
232 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
234 * haifa-sched.c (is_cfg_nonregular): Change return type to
235 an int. No longer compute "estimated" number of edges. Use
236 computed_jump_p instead of duplicating the code. Fixup/add
238 (build_control_flow): Returns a value indicating an irregularity
239 in the cfg was detected. Count the number of edges in the cfg.
240 allocate various edge tables.
241 (find_rgns): No longer look for unreachable blocks.
242 (schedule_insns): Do not allocate memory for edge tables here.
243 Free memory for edge tables before returning. Do not perform
244 cross block scheduling if build_control_flow returns nonzero.
245 * flow.c (compute_preds_succs): More accurately determine when
248 * basic-block.h (free_basic_block_vargs): Provide prototype.
250 * cccp.c (main): Fix dumb mistakes in last change.
252 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
254 * rtl.h (addr_diff_vec_flags): New typedef.
255 (union rtunion_def): New member rt_addr_diff_vec_flags.
256 (ADDR_DIFF_VEC_FLAGS): New macro.
258 * sh.c (output_branch): Fix offset overflow problems.
260 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
261 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
262 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
263 * stmt.c (expand_end_case): Supply new arguments to
264 gen_rtx_ADDR_DIFF_VEC.
265 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
266 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
267 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
268 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
269 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
270 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
271 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
272 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
273 * i386/freebsd.h, i386/linux.h : Likewise.
274 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
275 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
276 * m68k/mot3300.h, m68k/sgs.h : Likewise.
277 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
278 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
279 (CASE_VECTOR_SHORTEN_MODE): Define.
280 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
281 (med_branch_p, braf_branch_p): Don't declare.
282 (mdep_reorg_phase, barrier_align): Declare.
283 (ADJUST_INSN_LENGTH): Remove alignment handling.
284 * sh.c (uid_align, uid_align_max): Deleted.
285 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
286 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
287 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
288 (output_far_jump): Don't use braf_branch_p.
289 (output_branchy_insn): Don't use branch_offset.
290 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
291 Remove paired barrier stuff.
292 Don't use cache_align_p.
293 Take alignment insns into account.
294 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
296 (barrier_align, branch_dest): New function.
297 (machine_dependent_reorg, split_branches): Remove infrastructure
298 for branch shortening that is now provided in the backend.
299 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
300 (braf_branch_p, braf_cbranch_p): Likewise.
301 (attribute length): Use new attributes.
302 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
303 (addr_diff_vec_adjust): Delete.
304 (align_2): Now a define_expand.
305 (align_log): Now length 0.
307 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
309 * m32r.md (right): Correctly check for length == 2, not 1.
311 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
313 * mips/mips.h: Prototype `machine_dependent_reorg'.
314 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
316 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
318 * final.c (shorten_branches): Restore accidentally removed code.
320 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
322 * configure.in: Remove duplicate uses of AC_PROG_CC and
325 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
327 * configure.in (target_cpu_default2): Correct typo for alphapca56.
329 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
330 Doug Evans (devans@cygnus.com)
332 * haifa-sched.c (build_jmp_edges): Delete dead function.
333 (build_control_flow): Use cfg routines from flow.c
334 (schedule_insns): Remove debugging code accidentally checked
337 * basic-block.h: Add external integer list structures, typdefs,
338 accessor macros and function declarations. Simlarly for
339 basic block pred/succ support and simple bitmap stuff.
340 * flow.c: Add functions for integer list, basic block pred/succ
341 support and simple bitmap support.
342 (compute_dominators): New function to compute dominators and
344 (find_basic_blocks): Split into two functions.
345 (life_analysis): Likewise.
346 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
347 the life_analysis from toplev.c
348 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
349 life_analysis instead of flow_analysis.
351 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
353 * jump.c (jump_optimize): Call mark_jump_label also for deleted
355 (mark_jump_label): Don't increment ref counts for deleted insns.
357 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
359 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
361 * mips/mips.c: Include stdlib.h and unistd.h.
362 (mips_asm_file_end): Add braces around empty body in an if-statement.
363 (function_prologue): Wrap variable `fnname' in
364 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
365 (mips_select_rtx_section, mips_select_section): Declare as void.
367 * mips/mips.h: Add prototypes for extern functions in mips.c.
368 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
369 (ENCODE_SECTION_INFO): Add braces around empty body in an
372 * mips/mips.md (movdi): Add parentheses around && within ||.
373 (movsf, movdf): Likewise.
374 (branch_zero, branch_zero_di): Add default case in
378 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
380 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
381 real constants, since they can't be changed.
382 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
383 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
384 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
385 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
386 * alpha/vms.h (TARGET_OPEN_VMS): New.
387 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
389 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
391 * reload.c (find_reloads): Always force (subreg (mem)) to be
392 reloaded if WORD_REGISTER_OPERATIONS.
394 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
396 * haifa-sched.c (free_list): Rename from free_pnd_lst.
397 (free_pending_lists): Rename free_pnd_lst uses.
398 (remove_dependence): Place expunged element on unused_insn_list.
399 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
400 gen_rtx_*_LIST and alloc_rtx to use them.
401 (compute_block_backward_dependences): Free the reg_last_* lists.
403 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
405 * cccp.c (main): Avoid undefined behavior when setting pend_includes
408 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
410 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
411 USE_GNULIBC_1 is defined
412 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
413 includes the t-linux-gnulibc1 fragment
415 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
417 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
419 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
421 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
423 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
425 * final.c (shorten_branches): Tag the loop alignment onto the
426 first label after NOTE_INSN_LOOP_BEG even if there is an
429 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
431 * final.c (insn_current_reference_address):
432 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
433 proper alignment chain.
435 * final.c (max_labelno): New static variable.
436 (final_scan_insn): Check max_labelno before outputting an
437 alignment for a label.
438 (shorten_branches): Remove unused variable length_align.
440 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
442 * sparc.c (ultrasparc_adjust_cost): Add default case in
445 * sparc.h: Add prototypes for extern functions defined in
448 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
450 * toplev.c: Only generate <name>.dbr file when dumping RTL if
451 DEALY_SLOTS is defined.
453 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
455 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
456 in call to fill_slots_from_thread.
458 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
460 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
461 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
463 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
465 * final.c (insn_last_address, insn_current_align, uid_align):
467 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
468 (insn_current_reference_address): Likewise.
469 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
470 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
471 (label_to_alignment): New function.
472 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
473 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
474 insn_current_reference_address instead of insn_current_address.
475 (or_attr_value, write_length_unit_log): New functions.
476 (main): Call write_length_unit_log.
477 (write_const_num_delay_slots): Output extra '\n'.
478 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
480 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
481 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
482 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
484 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
485 (LABEL_ALIGN_AFTER_BARRIER).
486 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
487 * ns32k/tek6000.h: Likewise.
488 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
489 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
490 ASM_OUTPUT_ALIGN_CODE.
492 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
494 * version.c: Bump for snapshot.
496 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
498 * version.c: Bump for snapshot.
500 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
502 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
503 if condition code of jump conflicts with opposite_needed.
505 * reorg.c (fill_slots_from_thread): Mark resources referenced in
506 opposite_needed thread. Return delay_list even when cannot get
507 any more delay insns from end of subroutine.
509 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
511 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
514 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
516 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
517 end_fde_sort): New functions for fast sorting of an FDE array.
518 (fde_insert): Simplified.
519 (add_fdes): Change argument list.
520 (frame_init): Use the new functions.
522 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
524 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
526 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
528 * fold-const.c (fold_range_test): Always return a value.
530 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
532 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
533 data in the text section unless READONLY_DATA_SECTION is defined.
535 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
537 * c-parse.in (undeclared variable error): Tweak error message to
540 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
542 * version.c: Bump for snapshot.
544 1998-02-28 Mark Mitchell <mmitchell@usa.net>
546 * final.c (final_scan_insn): Undo overzealous removal of `set'.
548 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
550 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
551 case, add parentheses to specify the proper order of precedence in
555 * c-aux-info.c: Include string.h/strings.h.
557 * pa.c: Include stdlib.h.
558 (pa_combine_instructions): Prototype the function.
559 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
560 (reloc_needed): Add default case for enumeration switch.
561 (remove_useless_addtr_insns): Remove unused variable `all'.
562 (hppa_expand_prologue): Add explicit braces to avoid
564 (output_function_epilogue): Remove unused variable `i'.
565 (output_millicode_call): Remove unused variable `link'.
566 (shadd_constant_p, forward_branch_p): Make the function static.
567 (following_call): Explicitly declare to return int.
568 (pa_reorg): Declare as void.
569 (pa_combine_instructions): Declare as static void. Add
570 parentheses around && within ||.
572 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
573 following_call, function_label_operand, lhs_lshift_cint_operand
576 * pa.md: Add parentheses around && within ||.
578 * cppalloc.c: Include stdlib.h.
580 * cpperror.c (cpp_print_containing_files): Remove unused variable
581 `i'. Fix format specifier in fprintf.
583 * cse.c (cse_around_loop): Add explicit braces to avoid
585 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
587 * expr.c (expand_expr): Add parentheses around && within ||.
589 * final.c (app_enable): Replace fprintf with fputs where there are
590 no format specifiers and no trailing argument after the string.
591 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
592 (app_disable): Likewise.
593 (final_end_function): Likewise.
594 (final_scan_insn): Likewise. Remove unused variable `set'.
595 (profile_function): Wrap empty if-statement body in {} brackets.
597 * function.c: Include stdlib.h.
598 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
599 (reposition_prologue_and_epilogue_notes): Add parentheses
600 around assignment used as truth value.
602 * integrate.c (expand_inline_function): Wrap variable
603 `cc0_insn' in macro HAVE_cc0.
605 * jump.c (jump_optimize): Wrap variable `q' in macro
606 HAVE_cc0. Remove unused variable `prev1'.
608 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
609 within ||. Fix format specifier in fprintf.
610 (__bb_init_prg): Add parentheses around assignment used as
613 * local-alloc.c: Include stdlib.h.
614 (requires_inout): Add parentheses around assignment used
617 * loop.c (analyze_loop_iterations): Wrap prototype and definition
618 in macro HAVE_decrement_and_branch_on_count.
619 (insert_bct, instrument_loop_bct): Likewise.
620 (move_movables): Add parentheses around assignment used as
622 (consec_sets_invariant_p): Likewise.
623 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
625 * objc/objc-act.c: Include stdlib.h.
626 (lookup_method_in_protocol_list): Wrap empty else-statement body
628 (lookup_protocol_in_reflist): Likewise.
629 (objc_add_static_instance): Remove unused variables `decl_expr'
631 (get_objc_string_decl): Remove unused variable `decl'.
632 (generate_static_references): Remove unused variables `idecl' and
634 (check_protocols): Wrap empty else-statement body in braces.
636 * protoize.c: Include stdlib.h.
637 (substr): Add parentheses around assignment used as truth value.
639 (shortpath): Likewise.
641 * regmove.c (fixup_match_1): Add parentheses around assignment
644 * reload.c (push_secondary_reload): Remove unused variable `i'.
645 (find_reloads): Add parentheses around assignment used as truth
648 * reload1.c: Include stdlib.h.
650 * rtl.h: Correct typo in prototype of offsettable_memref_p.
652 * stmt.c (add_case_node): Add parentheses around assignment used
654 (case_tree2list): Likewise.
656 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
657 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
658 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
659 (merge_attributes): Add explicit braces to avoid ambiguous
662 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
665 * varasm.c: Include stdlib.h.
668 * system.h: Remove sys/stat.h.
669 * gcc.c: Add sys/stat.h.
671 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
672 * genattrtab.c: Likewise.
673 * genconfig.c: Likewise.
674 * genemit.c: Likewise.
675 * genextract.c: Likewise.
676 * genflags.c: Likewise.
677 * genopinit.c: Likewise.
678 * genoutput.c: Likewise.
679 * genpeep.c: Likewise.
680 * genrecog.c: Likewise.
681 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
683 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
685 * invoke.texi: Use @itemx for a secondary item in a @table.
687 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
690 1998-02-26 Ken Raeburn <raeburn@cygnus.com>
692 * regclass.c (init_reg_sets): Move init of move cost tables...
693 (init_reg_sets_1): ...to here.
695 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
697 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
699 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
701 * i386.c (struct machine_function): Add new fields for PIC stuff.
702 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
704 (restore_386_machine_status): Corresponding changes.
705 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
707 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
709 * c-parse.y (undeclared variable error): Tweak error message
712 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
714 * flags.h (g_switch_value, g_switch_set): Declare.
715 * alpha.c (override_options): Set g_switch_value=8 if not set.
716 * alpha/elf.h (CC1_SPEC): New.
718 (LINK_SPEC): Pass along the -G value we were given.
719 (LOCAL_ASM_OP): Remove.
720 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
721 (MAX_OFILE_ALIGNMENT): New.
722 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
723 (EXTRA_SECTIONS): Add sbss and sdata.
724 (SECTION_FUNCTION_TEMPLATE): New.
725 (EXTRA_SECTION_FUNCTIONS): Use it.
726 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
727 (SELECT_SECTION): Use sdata when small enough.
728 * alpha/linux.h (ASM_SPEC): Remove.
731 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
732 * config.sub (sco5): Fix typo.
734 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
736 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
738 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
739 * config/alpha/t-linux: Remove file.
740 * config/sparc/t-linux: Remove file.
741 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
742 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
743 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
745 (alpha*-*-linux-gnu*): Likewise.
746 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
747 (sparc-*-linux-gnu*): Likewise.
749 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
750 * collect2.c (ldd_file_name): Bracket declaration with same
752 (full_real_ld_suffix): Deleted. Variable was calloced and
753 written into, but never read.
755 1998-02-23 Mike Stump <mrs@wrs.com>
757 * configure.in: Add support for i386-wrs-vxworks configuration.
758 * i386/vxi386.h: New file.
760 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
762 * tree.c (contains_placeholder_p): Ensure function always returns
764 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
765 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
767 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
769 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
771 1998-02-22 Paul Eggert <eggert@twinsun.com>
773 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
774 Define this new symbol.
775 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
776 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
777 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
779 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
781 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
782 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
784 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
786 * objc/Object.m (-error): Call objc_verror with our va_list.
788 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
790 * collect2.c (scan_prog_file): Completely cover uses of variable
791 `exports' with macro COLLECT_EXPORT_LIST.
793 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
795 * version.c: Bump for snapshot.
797 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
799 * sched.c (schedule_block): Remove code to get arguments from hard
800 regs into pseudos early. Same as Aug 25, 1997 change to
803 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
805 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
807 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
809 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
810 continuation character (line 243).
812 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
814 * genrecog.c (main): Remove duplicated sentence in emitted comment.
816 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
817 David Edelsohn <edelsohn@mhpcc.edu>
819 * collect2.c (XCOFF_SCAN_LIBS): Remove.
820 (export_flag): New variable.
821 (export_file): #ifdef COLLECT_EXPORT_LIST.
822 (import_file, exports, imports, undefined): New variables.
823 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
824 (dump_list, dump_prefix_list, is_in_list): New functions.
825 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
826 (write_import_file, resolve_lib_name): New functions.
827 (use_import_list, ignore_library): Same.
828 (collect_exit): maybe_unlink import_file and #ifdef.
830 (main): New variable importf, #ifdef exportf. Move parsing of
831 -shared before general argument parsing. Resolve AIX library
832 paths and import libgcc.a symbols. Treat .so shared libraries the
833 same as objects and .a libraries. Create alias for object_lst and
834 increment it instead of original pointer. Scan AIX libraries as
835 objects earlier instead of using scan_libraries. Perform AIX
836 tlink later to resolve templates instead of forking ld.
837 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
838 (GCC_UNDEF_SYMBOL): New macro.
839 (scan_prog_file): Loop for members of AIX libraries. Handle
840 export/import of ctors/dtors.
841 (aix_std_libs): New variable.
842 (scan_libraries, XCOFF): Delete.
844 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
846 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
848 1998-02-19 Mike Stump <mrs@wrs.com>
850 * Makefile.in: Use $tooldir for sys-include to match toplevel
853 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
854 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
856 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
858 * emit-rtl.c (hard-reg-set.h): Include.
859 (get_lowpart_common): Don't make new REG for hard reg in a
860 class that cannot change size.
861 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
863 * combine.c: Revert previous patch.
865 1998-02-19 Paul Eggert <eggert@twinsun.com>
867 * config/sparc/sol2-sld.h: New file.
868 * configure.in (sparc-*-solaris2*): Use it when using the
871 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
873 * loop.c (force_movables): Fix typo.
875 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
877 * m88k.h: Change file pattern to match reality.
879 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
881 * varasm.c (output_constant_pool): Fix dumb thinko in last
884 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
885 a function name to a section name.
887 1998-02-18 Doug Evans <devans@cygnus.com>
889 * tree.h (merge_machine_{type,decl}_attributes): Declare.
890 (split_specs_attrs, strip_attrs): Add prototypes.
891 * tree.c (merge_machine_{type,decl}_attributes): New functions.
892 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
893 Update olddecl's attributes too.
894 * c-common.c (strip_attrs): New function.
895 * c-typeck.c (common_type): Call merge_machine_type_attributes.
896 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
897 (make_decl_rtl): Likewise.
899 1998-02-18 Jim Wilson <wilson@cygnus.com>
901 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
903 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
905 Remove this change until we can fix it correctly.
906 * collect2.c: Bracket declaration of 'exportf' and
907 'full_real_ld_suffix'.
909 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
911 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
913 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
915 * c-common.c (c_expand_start_cond, c_expand_end_cond,
916 c_expand_start_else): Don't warn about non-ambiguous else even if
919 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
921 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
922 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
925 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
927 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
928 simplifying a subreg of a hard reg.
929 (expand_compound_operation): Likewise.
930 (force_to_mode): Likewise.
932 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
934 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
935 (lshift_double): Add parentheses around + or - inside shift.
936 (rshift_double): Likewise.
937 (size_int_wide): Explicitly set type of `bit_p' to `int'.
939 * Makefile.in (fold-const.o): Depend on system.h.
941 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
944 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
945 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
946 (sched_note_set): Remove unused parameter `b', all callers changed.
947 (schedule_block): Likewise for `rgn'.
948 (split_hard_reg_notes): Likewise for `orig_insn'.
949 (check_live): Likewise for `trg'.
950 (update_live): Likewise.
951 (check_live_1): Explcitly declare variable `i' as int.
952 (update_live_1): Likewise.
953 (insn_issue_delay): Remove unused variable `link'.
954 (sched_analyze_2): Add default case in enumeration switch.
955 (schedule_insns): Remove unused variable `i'.
957 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
959 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
961 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
962 a dangling else clause.
964 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
966 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
967 pointer for the stack pointer in MIPS16 and 64BIT.
969 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
971 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
972 * emit-rtl.c (force_line_numbers, restore_line_number_status):
974 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
975 (expand_start_case): Adjust to this change.
976 (check_seenlabel): New function.
977 (pushcase, pushcase_range, expand_endcase): Use it.
979 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
981 * i386.md (adddi3): Add =!r,0,0,X alternative.
983 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
985 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
986 * x-aix31 (INSTALL): Delete.
988 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
990 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
991 tsize changes to something other than zero.
993 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
995 * ginclude/va-mips.h: Replace casts of pointers to int with
996 casts of pointers to __PTRDIFF_TYPE__.
998 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
1000 * loop.c (strength_reduce, record_biv, record_giv): Use
1001 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
1003 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
1005 * tree.c (first_rtl_op): New fn.
1006 (unsave_expr_now): Use it.
1007 * print-tree.c (print_node): Likewise.
1008 * tree.c (has_cleanups): New fn.
1009 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
1010 conservative about pushing the cleanup point down.
1011 * tree.h: Declare them.
1013 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
1015 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
1016 (flag_schedule_reverse_after_reload): Likewise.
1017 (f_options): Remove reverse scheduling support.
1018 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
1019 (flag_schedule_reverse_after_reload): Likewise.
1020 * haifa-sched.c (rank_for_schedule): Remove support for reverse
1023 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1025 * gcc.c: Get system includes, prototypes and macros via "system.h"
1026 instead of doing it manually. Change all calls of the ctype
1027 macros to custom versions defined in "system.h".
1029 * system.h: Fix return type of bcmp prototype from `void' to `int'.
1030 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
1031 Add a prototype for getenv.
1033 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
1035 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
1037 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
1039 * alias.c: Include <stdlib.h> and <string.h>.
1040 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
1042 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
1044 * version.c: Bump for snapshot.
1046 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
1048 * arm.md (movsfcc): Also validate operands[3] when compiling hard
1050 (movdfcc): Only accept fpu_add_operand for operands[3].
1052 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
1053 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
1055 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
1057 * varasm.c (output_constant_pool): Bring back 'done' label inside
1058 an appropriate #ifdef.
1060 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
1062 (bitmap_copy, bitmap_operation): Likewise.
1063 * combine.c (combinable_i3pat): Similarly for 'src'.
1064 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
1065 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
1066 * regclass.c (copy_cost): Similarly for 'secondary_class'.
1067 * reload.c (make_memloc): Simliarly for 'i'.
1068 (find_reloads_address_1): Similarly for 'link'.
1069 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
1070 (emit_reload_insns): Similarly for 'second_reloadreg'.
1071 * unroll.c (iteration_info): Similarly for 'v'.
1073 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
1074 * calls.c (expand_call): Similarly for 'i'.
1075 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
1076 * fold-const.c (strip_compund_expr): Similarly for 'type'.
1077 * function.c (fixup_var_refs_1): Similarly for 'width'.
1078 (fixup_memory_subreg): Similarly for 'saved'.
1079 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
1080 (setjmp_protect): Similarly for 'sub'.
1081 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
1082 * loop.c (record_giv): Similarly for 'p'.
1083 (combine_givs): Similarly for 'temp_iv'.
1084 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
1085 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
1086 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
1087 * unroll.c (unroll_loop): Similarly for 'copy'.
1088 (iteration_info): Similarly for 'b'.
1089 * varasm.c (assemble_string): Similarly for 'i'.
1090 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
1092 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
1094 * dwarf2out.c (decl_scope_node): New type.
1095 (decl_scope_table): Change type to use it.
1096 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
1097 (push_decl_scope): Use new type. New locals containing_scope, i.
1098 Add code to handle setting previous field.
1099 (scope_die_for): Change type of local i to int. Add code to use
1101 (dwarf2out_init): Use new type.
1103 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
1105 * except.c (emit_throw): Lose throw_used.
1107 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1109 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
1111 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
1113 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
1115 * genextract.c (main): Fix typo.
1117 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
1119 * c-lang.c (finish_file): Bracket declaration of static_ctors,
1122 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
1123 'old_stack_arg_under_construction'
1124 (emit_library_call): Bracket declaration of 'upper_bound',
1125 'lower_bound', 'i', 'reg_parm_stack_space'
1126 (emit_library_call_value): Likewise.
1129 * collect2.c: include <unistd.h> when appropriate.
1130 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
1132 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
1134 * explow.c (plus_constant_for_output_wide): Remove unused variable
1136 (memory_address): Remove unused variable 'orig_x'.
1138 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
1139 (write_const_num_delay_slots): Remove unused variable 'i'.
1141 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
1142 (gen_insn): Remove unused variable 'obstack_ptr'.
1144 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
1146 (__bb_exit_trace_func): Remove unused variable 'e'.
1148 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
1150 (expand_unop): Remove unused variable 'funexp'.
1151 (expand_complex_abs): Remove unused variable 'funexp'.
1152 (init_optabs): Bracket declaration of 'j'.
1153 (init_complex_libfuncs): Deleted. Dead static function.
1155 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
1157 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
1158 (reg_to_stack): 'initialized', 'before_function_beg'
1159 explictly type as ints instead of defaulting.
1160 (emit_swap_insn): Remove unused variable 'i2'.
1161 (compare_for_stack_reg): Remove unused variable 'src_note'.
1163 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
1165 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
1167 * stmt.c (add_case_node): Add parens for assignment used as truth.
1168 (all_cases_count): Remove unused variable 'count_high'.
1169 (mark_seen_cases): Remove unused variable 'i'.
1170 (check_for_full_enumeration_handling): Remove unused variable 't'.
1171 Bracket declaration of 'all_values', 'l'.
1173 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
1175 * varasm.c (assemble_string): Remove unused variable 'i'.
1176 (immed_double_const): Remove unused variable 'in_current_obstack'.
1177 (immed_real_const_1): Likewise.
1178 (output_constant_pool): Remove unreferenced label 'done'.
1179 (output_constant): Remove unused variable 'x'.
1181 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
1184 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
1187 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1189 * combine.c (can_combine_p): Handle USEs in PARALLELs.
1191 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
1193 * config/linux.h (LIB_SPEC): Add -lc for -shared if
1194 USE_GNULIBC_1 is not defined.
1195 * config/sparc/linux.h; Ditto.
1197 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
1199 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
1200 USE_GNULIBC_1 is not defined.
1202 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1204 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
1207 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1209 * system.h: New file to get common systems includes and various
1210 definitions and declarations based on autoconf macros.
1212 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
1214 * cccp.c (new_include_prefix): Correctly handle -I./.
1216 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
1218 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
1220 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
1222 * expr.c (expand_assignment): Correct typo exposed by -Wall.
1223 offset should have been a truth value, not an assignment.
1225 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
1227 * cse.c (delete_dead_from_cse): If a libcall produces a constant
1228 result and that result can be substituted into SET_SRC of the
1229 insn with the REG_RETVAL note, then perform the substitution
1230 and delete the libcall.
1232 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
1234 * mips.md (trucndihi2,truncdiqi2): Change these to support
1237 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
1239 * mips/mips.c (movdi_operand): Direct referances to symbols
1240 that arn't mips16 consts in mips16 mode arn't valid operands.
1242 * mips/mips.c (mips_move_2words): Add gprel handling.
1244 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
1246 * mips.md (extendsidi2): Allow extension to/from a non-mips16
1249 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
1251 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
1254 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1256 * Makefile.in (WARN_CFLAGS): New variable.
1257 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
1259 1998-02-11 Mark Mitchell <mmitchell@usa.net>
1261 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
1262 falling through default case in switch.
1263 (i386_aligned_p): Likewise.
1265 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
1267 * mips/mips.h (mips_abi_string): Correct typo in comment.
1269 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
1271 * mips/mips.md (movdi): These PLUS's need to be Pmode.
1273 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1275 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
1276 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
1277 indirectly via expr.h.
1279 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
1281 * stor-layout.c (layout_type): Do upper - lower in the native type,
1282 so as to properly handle negative indices.
1284 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
1286 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
1287 (expand_eh_region_start_tree): Remove unused variable 'note'.
1288 (exception_optimize): Remove unused variable 'regions'.
1289 (expand_builtin_eh_stub): Remove unused variable 'temp'.
1290 (copy_eh_entry): Deleted. Dead function.
1292 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
1293 'last' with same #if HAVE_load_multiple as use of it.
1294 (move_block_from_reg): Likewise.
1295 (emit_move_insn_1): Remove unused variable 'insns'.
1296 (store_constructor): Bracket declaration of startb, endb with
1297 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
1298 'target', and 'xtarget'.
1299 (expand_builtin_setjmp): Remove unused variables 'op0',
1300 'next_arg_reg', 'old_inhibit_defer_pop'.
1301 (expand_builtin): Remove unused variable 'offset'.
1302 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
1303 (emit_queue): Add parens for assignment used as conditional.
1304 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
1306 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
1308 * i386.c: Added include for recog.h.
1309 (override_options): Removed unused variable p. Initialized regno to
1311 (order_regs_for_local_alloc): Initialized regno to avoid warning.
1312 (legitimize_address): Likewise for 'other'.
1313 (i386_aligned_reg_p): Added default case with abort ().
1314 (print_operand): Likewise.
1315 (reg_mentioned_in_mem): Likewise.
1316 (ix86_expand_binary_operator): Removed unused variables i & insn.
1317 (ix86_expand_unary_operator): Removed unused variable insn.
1318 (output_fp_cc0_set): Removed unused variable unordered_label.
1320 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
1322 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
1323 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
1324 and format string match.
1326 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
1328 * flow.c (life_analysis): Do not conside the stack pointer live at
1329 the end of a function if the fucntio ncalls alloca.
1330 (mark_used_regs): Similarly.
1332 1998-02-10 John F Carr <jfc@mit.edu>
1334 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
1335 1, fzero on alternative 8.
1337 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1339 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
1341 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1343 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
1344 SUBREGs of CONST_INTs.
1346 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
1348 * mips.c (print_operand, function_prologue): Make printf format
1349 match argument type.
1351 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1353 * alpha.c (alpha_return_addr): Remove unused variable `first'.
1354 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
1355 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
1357 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1359 * loop.c (strength_reduce): When placing increment for auto-inc
1360 case, do comparison in loop order.
1362 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
1364 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
1365 not a HOST_WIDE_INT.
1367 * calls.c (expand_call): Change test of expand_inline_function
1368 return value to stop compiler warning.
1370 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
1372 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
1373 Jeff Law (law@cygnus.com)
1375 * regmove.c: Fix various minor formatting problems.
1376 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
1377 is true. Make end of basic block tests consistent through regmove.c.
1378 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
1379 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
1381 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1383 * gansidecl.h: Check for a conflicting macro definition before
1384 attempting to prototype bcopy, bcmp or bzero.
1386 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
1388 * expr.c (clear_pending_stack_adjust): Handle case where a function
1389 calls alloca, but the user has specified -fomit-fframe-pointer.
1391 * function.c (assign_parms): Fix typo in last change.
1393 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
1395 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
1397 (free_path_suffix): Remove unreferenced static function.
1398 (process_command): Remove unused variable temp.
1399 (default_arg): Remove unused variable i.
1400 (do_spec_1): Add parens for assignment used as truth value.
1402 (validate_all_switches): Likewise.
1403 (main): Remove unused variables i, first_time>
1405 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
1407 * calls.c (expand_call): Remove unused variables funtree,
1408 n_regs, and tmpmode.
1410 * dbxout.c, except.c: Include <string.h>/<strings.h>.
1412 * explow.c: (plus_constant_for_output_wide) Removed unused
1413 variable all_constant.
1415 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
1416 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
1417 genrecog.c, global.c, integrate.c , stupid.c : Include
1420 * genextract.c: (walk_rtx) Remove unused variable link.
1422 * genrecog.c: (concat) Remove unreferenced static function.
1424 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
1426 * stmt.c: Include <stdlib.h>.
1427 (expand_asm_operands): Remove unused variable val1.
1428 (expand_return): Remove unused variable block.
1429 (pushcase): Remove unused variables l and n.
1430 (pushcaserange): Likewise.
1432 * unroll.c (unroll_loop): Remove unused variable temp.
1434 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
1436 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
1438 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1440 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
1441 functions for whether they support the %p format specifier.
1442 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
1443 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
1444 * configure, config.in: Rebuild.
1446 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
1448 * function.c (assign_parms): New variable named_arg, with value
1449 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
1451 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
1453 * mips/t-r3900: New - same as t-ecoff but eliminate
1454 multilibs: mips1 and mips3.
1455 * configure.in (tx39*): Use new mips/t-r3900.
1456 * configure: Rebuild.
1457 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
1459 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
1461 * dwarf2out.c: Add old_args_size.
1462 (dwarf2out_args_size): Use it.
1463 (dwarf2out_begin_prologue): Initialize it.
1464 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
1465 pushed args until we see a call.
1466 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
1467 before outputting them.
1469 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
1471 * cplus-dem.c (demangle_template_template_parm): New function.
1472 (demangle_template): Handle template template parameters.
1474 1998-02-02 Mark Mitchell <mmitchell@usa.net>
1476 * calls.c (expand_call): Don't confuse member functions named
1477 realloc, setjmp, and so forth with the standard library
1478 functions of the same names.
1480 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
1482 * stmt.c (expand_asm_operands): Correctly identify asm statements
1485 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
1487 * c-common.c (decl_attributes): Flag unrecognized attribute
1488 functions as warnings instead of as errors.
1490 1998-02-05 Marc Lehmann <pcg@goof.com>
1492 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
1493 when -Os is specified.
1494 * toplev.c (main): Don't disable flag_inline_functions anymore when
1497 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1499 * regmove.c: Update.
1500 * flags.h (flag_regmove): Declare.
1501 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
1502 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
1503 Moved into regmove; changed caller.
1504 * toplev.c (rest_of_compilation): Call regmove_optimize also for
1505 expensive_optimizations.
1507 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
1509 * version.c: Bump for snapshot.
1511 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1512 Undo this change (the problem was actually in reload):
1513 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1515 * sh.md (movqi_i+1): New peephole.
1517 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
1519 * jump.c (jump_optimize): Lose calls to modified_in_p they are
1520 not needed anymore due to changes elsewhere in jump.c.
1522 * jump.c (jump_optimize): Fix first arg to modified_in_p in
1525 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
1527 * expr.c (expand_builtin_setjmp): Accept two new arguments for
1528 the labels to branch to on first and subsequent executions. Don't
1529 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
1530 and provide it with the jmp_buf. Use only one of
1531 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
1532 and provide the former with the target label.
1533 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
1534 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
1535 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
1536 insn to replace all of the normal nonlocal_goto code. Don't play
1537 with __dummy. Correct arguments to nonlocal_goto.
1538 * expr.h (expand_builtin_setjmp): Update prototype.
1539 * except.c (start_dynamic_handler): When using builtin_setjmp,
1540 generate more accurate flow information.
1542 * alpha.md (nonlocal_goto_receiver_osf): Delete.
1543 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
1544 (builtin_longjmp, builtin_setjmp_receiver): New.
1545 * sparc.md (update_return): Disambiguate unspec number.
1546 (nonlocal_goto): Rearrange arguments to match caller in except.c.
1547 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
1549 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
1550 (builtin_setjmp_setup*, builtin_longjmp): New.
1552 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
1554 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
1556 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
1558 * vmsconfig.com: Remove bytecode references.
1560 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1562 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
1563 -fno-sjlj-exceptions works for a target that defines
1564 DWARF2_UNWIND_INFO as zero.
1566 * regmove.c (fixup_match_1): Undo last change which removed some
1567 "useless" code, and add a comment explaining this.
1569 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
1571 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
1574 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
1576 * makefile.vms: Remove bytecode references.
1577 Create genrtl files.
1579 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
1581 * jump.c (jump_optimize): Allow conditional loading of floating point
1582 constants and constants from memory. Reinstalled modified_in_p tests.
1584 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1586 * loop.c (get_condition): Handle sign-extended constants.
1588 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
1590 * expr.c (emit_push_insn): Add code to use movstrti if present.
1592 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
1593 and movstrqi as in emit_block_move ().
1595 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
1597 * config/m68k/x-next: Remove /NextDeveloper/Headers from
1598 the directories to fixinclude - /usr/include is a link
1599 to it and hence its contents are fixed by default.
1601 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1603 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
1605 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
1607 * cccp.c (main): Predefine __VMS_VER on VMS.
1609 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1611 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
1612 * fold-const.c (size_int): Replace with
1614 (make_bit_field_ref): Use bitsize_int for bit position.
1615 * stor-layout.c (sizetype): Delete.
1616 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
1617 (layout_record, layout_union, layout_type):
1618 Use bitsize_int for bit size.
1619 (set_sizetype): New function.
1620 (make_signed_type, make_unsigned_type): Use it.
1621 * c-decl.c (init_decl_processing): Likewise.
1622 * tree.h (size_int): Don't delcare, #define.
1623 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
1624 (set_sizetype): Declare.
1625 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
1627 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
1628 Convert result to sizetype.
1629 (really_start_incremental_init, push_init_level):
1630 Set type of constructor_bit_index to sbitsizetype.
1631 (push_init_level): Use unsigned arithmetic to determine padding.
1632 (output_init_element): Likewise.
1634 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
1636 * combine.c (simplify_shift_const): Fix typo in last change.
1638 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
1640 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
1641 is (truncate (lshiftrt)).
1643 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
1645 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
1646 Make sure result winds up in TGT.
1647 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
1648 src to be other than DImode.
1649 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
1650 (alpha_expand_unaligned_store_words): Likewise.
1651 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
1652 that source and destination are separately optimized for alignment.
1653 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
1655 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
1657 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
1658 with handling of -32768.
1660 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1662 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
1663 shell variable argument instead of only hard coded functions.
1664 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
1666 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
1667 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
1668 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
1669 declarations for bcopy, bcmp and bzero.
1671 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
1673 * gansidecl.h: If we have bcopy but don't declare it, then do so.
1674 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
1675 bzero, index and rindex if they aren't already present.
1677 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
1679 * toplev.c (close_dump_file): Wrap function prototype for
1680 argument "func" in PROTO.
1681 (dump_rtl): Likewise.
1683 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
1685 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
1687 (output_function_epilogue): Omit epilogue if nothing drops through.
1688 (output_move_double): Supress int ldd usage on ultrasparc and v9.
1689 (registers_ok_for_ldd_peep): Likewise.
1690 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
1691 (ultrasparc_adjust_cost): New function.
1692 (sparc_issue_rate): New function.
1693 * sparc.h (MASK_VIS, TARGET_VIS): New
1694 (MASK_V8PLUS, TARGET_V8PLUS): New.
1695 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
1696 (TARGET_SWITCHES): Add vis and v8plus.
1697 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
1698 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
1699 (RTX_COSTS): Use TARGET_HARD_MUL
1700 (ADJUST_COST): Call ultrasparc_adjust_cost.
1702 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
1703 of load & fp appropritely.
1704 (supersparc function units): Adjust for Haifa.
1705 (ultrasparc function units): Likewise.
1706 (get_pc_via_rdpc): All v9, not just arch64.
1707 (movdi_v8plus, movdi_v8plus+1): New.
1708 (adddi3_sp32+1): New.
1709 (subdi3_sp32+1): New.
1710 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
1711 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
1712 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
1713 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
1714 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
1715 (ldd peepholes): Suppress for v9.
1716 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
1717 (return_subsi): Revmove.
1719 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
1721 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
1722 save/restore MEM rtl.
1724 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
1726 * configure.in: Check for declaration of abort.
1727 * acconfig.h: Corresponding changes.
1728 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
1731 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
1733 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
1736 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
1738 * version.c: Bump for snapshot.
1740 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
1742 * configure.in: Check for atoq and atoll.
1743 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
1744 proper routine for converting ascii into long long values.
1746 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
1748 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
1750 * vmsconfig.com: Remove bytecode references.
1752 * alpha/vms.h (PREFIX): Define.
1754 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
1756 * am-alpha.h: Don't include alloca for OPEN_VMS.
1758 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
1760 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
1761 (GCC_INCLUDE_DIR): Define
1763 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
1764 * makefile.vms: New file.
1766 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
1768 * alpha.c (output_prolog): Output '.name' directive
1769 for minimal traceback information.
1771 * alpha.c (output_prolog): Don't prepend entry point symbols
1772 with '$' on OPEN_VMS.
1774 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
1775 Jeffrey A Law (law@cygnus.com)
1777 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
1780 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
1782 * genemit.c (gen_exp): Likewise.
1783 * genpeep.c (match_rtx): Likewise.
1784 * genrecog.c (write_tree_1): Likewise.
1786 * c-lex.c (yyprint): Use proper format string based upon
1787 disposition of HOST_BITS_PER_WIDE_INT.
1788 (yylex): Put casts in right place for args to build_int_2.
1790 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
1792 * combine.c: Fix typos in Jan27 changes.
1794 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
1796 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
1797 (LINK_SPEC): Likewise.
1798 (STARTFILE_SPEC): Likewise.
1800 1998-01-28 Mike Stump <mrs@wrs.com>
1802 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
1804 * genattrtab.c (reload_completed): Define.
1806 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
1809 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1811 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1812 SUBREG_REG if the word count is unchanged, also in the input reload
1813 case. Disable non-applicable sanity checks.
1815 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
1817 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
1819 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
1821 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
1823 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
1825 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
1826 is a TREE_VEC before trying to use it for baseclasses.
1827 (Chill uses the same field for a different purpose.)
1829 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
1831 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
1833 * config.sub: More accurate determination of HP processor types.
1835 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1837 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
1838 prototype for `handle_sysv_pragma', and make it static. Add
1839 parentheses around assignment used as truth value.
1841 * combine.c (combine_instructions): Protect variable `prev' with
1843 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
1844 (extract_left_shift): Add parentheses around operand of &.
1845 (merge_outer_ops): Avoid an empty body in an else-statement.
1846 (gen_rtx_combine): Remove unused variable `i'.
1848 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
1849 function monstartup `void'. Likewise for internal_mcount. Add
1850 `static void' prototype for moncontrol. Reconcile sprintf format
1853 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
1854 Make return type of function_arg_slotno explicitly `int'.
1855 (reg_unused_after): Add parentheses around assignment used as
1857 (save_regs): Add explicit braces to avoid ambiguous `else'.
1858 (function_arg_slotno): Add parentheses around && within ||.
1859 (function_arg_pass_by_reference): Likewise.
1860 (sparc_flat_output_function_prologue): Reconcile fprintf format
1863 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
1864 assignment used as truth value.
1866 * cplus-dem.c: Include <stdlib.h>.
1867 (demangle_signature): Avoid an empty body in an else-statement.
1868 (do_type): Remove unused variable `lvl'.
1870 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
1871 Include <string.h>/<strings.h>.
1872 (cpp_lex): Remove unused variable `namelen'.
1873 (cpp_lex): Explicitly declare `num_chars' as an int.
1875 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
1876 <unistd.h> instead. Explicitly declare is_system_include
1878 (make_assertion): Remove unused variable `kt'.
1879 (cpp_expand_to_buffer): Hide variable `obuf'.
1880 (output_line_command): Remove unused variables, `line_end',
1881 `line_cmd_buf' and `len'.
1882 (macarg): Remove unused variable `arg_start'.
1883 (special_symbol): Remove unused variable `i'. Add parentheses
1884 around assignment used as truth value.
1885 (do_include): Remove unused variables `pcfname' and `retried',
1886 hide `pcf' and `pcfbuflimit'.
1887 (do_line): Remove unused variable `i'.
1888 (finclude): Hide variable `missing_newline'.
1889 (cpp_handle_options): Remove unused variable `j'.
1890 (read_token_list): Remove unused variable `eofp'.
1891 (cpp_error_with_line): Remove unused variable `i'.
1892 (cpp_warning_with_line): Likewise.
1893 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
1894 (cpp_error_from_errno): Remove unused variable `i'.
1896 * cse.c (invalidate): Add parentheses around assignment used as
1898 (find_best_addr): Move declaration of variable `our_cost' inside
1899 the conditional macro where its used.
1900 (fold_rtx): Avoid an empty body in an if-statement.
1901 (cse_insn): Wrap variables `this_insn_cc0_mode' and
1902 `this_insn_cc0' in macro HAVE_cc0.
1904 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
1905 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
1906 (output_uleb128): Likewise.
1907 (output_sleb128): Likewise.
1908 (output_cfi): Likewise.
1909 (output_call_frame_info): Remove unused variables `j', `fde_size'
1911 (comp_unit_has_inlines): Hide declaration as per rest of file.
1912 (size_of_line_prolog): Correct typo in prototype.
1913 (add_arange): Likewise.
1914 (output_aranges): Likewise.
1915 (add_name_and_src_coords_attributes): Likewise.
1916 (gen_array_type_die): Likewise.
1917 (gen_inlined_subroutine_die): Likewise.
1918 (equate_decl_number_to_die): Remove unused variable `i'.
1919 (print_die): Reconcile format vs. args in fprintf's.
1920 (print_dwarf_line_table): Likewise.
1921 (output_die): Likewise.
1922 (output_line_info): Likewise.
1923 (add_subscript_info): Avoid an empty body in an else-statement.
1924 (gen_subprogram_die): Remove unused variable `fp_loc'.
1926 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
1927 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
1928 macro. Protect `src_coords_attribute' prototype with
1929 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
1930 prototype as in the rest of the file. Likewise for
1931 `output_pointer_type_die' and `output_reference_type_die'. Remove
1932 prototype for `type_of_for_scope'.
1933 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
1934 (type_attribute): Add explicit braces to avoid ambiguous `else'.
1936 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
1937 (shorten_branches): Protect declaration of tmp_length with
1938 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
1939 (profile_function): Protect declaration of `sval' and `cxt'
1940 variables with appropriate macros.
1941 (final_scan_insn): Likewise for `note' variable. Add explicit
1942 braces to avoid empty body in an if-statement.
1943 (output_asm_insn): Move variable `i' inside macro conditional
1944 where it is used. Add parentheses around assignment used as truth
1946 (asm_fprintf) Likewise, likewise.
1948 * fix-header.c (main): Remove unused variable `done'. Protect
1949 declaration of `i' with FIXPROTO_IGNORE_LIST.
1951 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
1953 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
1956 * profile.c: Include <string.h>/<strings.h>.
1957 (instrument_arcs): Remove unused variables `note', `inverted',
1958 `zero' and `neg_one'.
1959 (branch_prob): Avoid empty body in an if-statement.
1961 * regclass.c: Include <stdlib.h>.
1962 (reg_alternate_class): Explicitly declare parameter `regno'.
1964 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
1965 parentheses around assignment used as truth value.
1966 (find_matches): Remove unused variables `output_operand' and
1968 (fixup_match_1): Remove statement with no effect: "if (0) ;".
1970 * scan.c (sstring_append): Explicitly declare `count' as int.
1971 (scan_string): Explicitly declare parameter `init' as int.
1973 * sched.c: Include <stdlib.h>.
1974 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
1975 (rank_for_schedule): Add parentheses around assignment used as
1977 (schedule_block): Likewise.
1978 (regno_use_in): Likewise.
1979 (schedule_insns): Remove unused variable `i'.
1981 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
1982 (v_message_with_decl): Remove unused variable `n'.
1983 (botch): Explicitly declare parameter `s' as char *.
1984 (main): Add parentheses around assignment used as truth value.
1986 * tree.c (make_node): Protect the variable `kind' with the
1987 GATHER_STATISTICS macro.
1988 (real_value_from_int_cst): Move variable `e' inside conditional
1989 macro area where it is used.
1990 (tree_last): Add parentheses around assignment used as truth value.
1991 (build1): Protect the variable `kind' with the GATHER_STATISTICS
1993 (print_obstack_statistics): Reconcile format vs. args in fprintf.
1994 Protect variables `i', `total_nodes', and `total_bytes' with the
1995 GATHER_STATISTICS macro.
1997 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
1999 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
2000 some comments regarding use of dead_or_set_p.
2002 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
2004 * fixincludes: Tweak fix for struct exception in math.h
2006 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
2008 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
2009 Change mode of registers used to add/sub from
2010 hard_frame_pointer_rtx from word_mode to Pmode.
2012 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
2014 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
2015 asm_output_aligned_bss() instead of asm_output_bss().
2017 * toplev.c (rest_of_compilation): Replace references to
2018 stack_reg_dump_file and dbr_sched_dump_file with references to
2021 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2023 * tlink.c (scan_linker_output): Call fclose() for opened files.
2025 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
2027 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
2028 compiling with -fpic -- we want to be able to override symbols
2030 (alpha_expand_block_move): Fix thinko in last change.
2032 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
2033 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
2034 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
2036 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
2038 * alpha.md (abssf, absdf): Revert last change.
2040 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
2042 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
2043 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
2045 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
2047 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
2048 a CONST_INT into SFmode.
2050 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
2052 * flags.h: New flag (optimize_size).
2053 * toplev.c (main): Parse -Os option and set optimize_space
2055 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
2056 __OPTIMIZE_SIZE__ when compiling with -Os.
2057 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
2058 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
2059 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
2061 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
2063 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
2065 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
2066 stuff only if MCT_TEXT is #define'd.
2068 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
2070 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
2073 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
2075 * toplev.c: Add -dM command line option to dump RTL after the
2076 machine dependent reorganisation pass, if there is one.
2077 Reorganise RTL dump code, so that only one file handle is
2080 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
2082 * except.c (check_exception_handler_labels): Disable warning when
2085 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
2087 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
2089 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2091 * c-decl.c (grokdeclarator): Get parameter tags from
2092 last_function_parm_tags.
2093 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
2094 traversing the parameter types.
2095 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
2097 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
2099 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
2101 (get_shift_alg): Fix typo.
2103 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
2105 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
2107 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
2109 * toplev.c (get_run_time): Make sure each case gets its variables.
2111 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
2113 * configure.in (build_xm_file): Add auto-config.h if host=build.
2114 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
2115 (build_xm_file_list): Likewise.
2116 * configure: Rebuild.
2118 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
2120 * recog.c (validate_replace_rtx_1): Only perform substitutions
2121 of arguments to commutative and comparison operators once.
2123 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2125 * sparc.c (output_cbranch): Add default case in
2128 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
2129 (emit_delay_sequence): Eliminate unused parameter, all callers
2131 (fill_simple_delay_slots): Likewise.
2132 (fill_slots_from_thread): Likewise.
2133 (fill_eager_delay_slots): Likewise.
2134 (mark_referenced_resources): Add default case in enumeration switch.
2135 (mark_set_resources): Likewise.
2136 (rare_destination): Likewise.
2137 (mostly_true_jump): Likewise.
2138 (find_dead_or_set_registers): Likewise.
2139 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
2140 (update_reg_unused_notes): Remove unused variable `p'.
2141 (mark_target_live_regs): Remove unused variables `next' and
2143 (fill_simple_delay_slots): Remove unused variable `j'.
2144 (fill_slots_from_thread): Add parentheses around assignment used
2146 (dbr_schedule): Likewise.
2148 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
2149 (objc.stage2, objc.stage3, objc.stage4): Likewise.
2151 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
2153 * cse.c (simplify_ternary_operation): Don't try to simplify
2154 IF_THEN_ELSE expressions (created by combine) that don't use
2155 relational operators.
2157 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
2159 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
2162 * crtstuff.c (init_dummy): Keep the epilogue in the init
2163 section for non-ELF systems.
2165 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2167 * sh.md (movqi_i+1): New peephole.
2169 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
2171 * Makefile.in: Remove remaining bytecode stuff.
2172 * emit-rtl.c, expr.c: Likewise.
2174 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
2176 * toplev.c (lang_options): Add unknown-pragma options.
2178 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
2180 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
2181 special (and incomplete) handling for Chill arrays.
2183 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
2185 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
2188 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
2190 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
2192 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
2194 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
2195 .frame directive instead of FRAME_POINTER_REGNUM.
2197 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
2199 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
2200 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
2201 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
2202 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
2203 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
2204 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
2205 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
2206 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
2208 * longlong.h: Replace __mc68332__ with __mcpu32__.
2210 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
2212 * version.c: Bump for snapshot.
2214 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
2216 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
2217 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
2218 * reload1.c (eliminate_regs): Likewise.
2220 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
2222 * regmove.c (find_matches): Initialize matches->earlyclobber too.
2224 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
2226 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
2227 (negsf2, negdf2): Use proper subtract in IEEE mode.
2229 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
2231 * Makefile.in: Remove more bytecode stuff.
2232 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
2233 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
2234 * f/install.texi, objc/Make-lang.in: Likewise.
2236 * Makefile.in: Remove all bytecode support.
2237 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
2238 * emit-rtl.c: Remove all bytecode support.
2239 * expr.c, expr.h function.c, integrate.c: Likewise.
2240 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
2241 * tree.h, varasm.c: Likewise.
2242 * config/m68k/m68k.h: Likewise.
2243 * bi-*, bc-*, bytecode*: Delete bytecode related files.
2244 * modemap.def: Likewise.
2246 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
2248 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
2249 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
2251 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
2253 * i386.md (push): Prohibit symbolic constants if flag_pic.
2254 (movsi+1): Likewise for move to non-register.
2256 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
2258 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
2259 (print_operand): Handle 0xffffffff on 32 bit host.
2261 * configure.in (thread_file): Rename uses before main loop to
2262 target_thread_file. Initialize to empty in main loop. Set thread_file
2263 to target_thread_file after main loop if not set.
2264 * configure: Rebuild.
2266 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
2267 (add_values_to_cover): Revert last change (which had no ChangeLog
2269 (simplify_with_current_value_aux): Handle CONST_INT.
2271 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2273 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
2275 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
2277 * configure.in: Add cpp stringify test.
2278 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
2279 * gengenrtl.c: Use it.
2280 * configure, config.in: Rebuild.
2282 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2284 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
2286 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
2288 * configure.in: Find declaration for sbrk.
2289 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
2290 * config.in, configure: Rebuild.
2291 * mips-tfile.c: Properly protect declaration of sbrk and free.
2292 * toplev.c: Properly protect declaration of sbrk.
2294 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
2296 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
2298 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
2300 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
2302 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
2304 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
2306 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
2308 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
2309 constant offset computations from objects with known alignment in
2310 the presence of STACK_BIAS.
2312 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
2314 (const_hash): Hash val is unsigned long.
2315 (SYMHASH): Likewise.
2317 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
2319 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
2320 char pointer, not HOST_WIDE_INT.
2321 (print_node): Likewise. Also hash is unsigned long not
2324 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
2326 * explow.c (optimize_save_area_alloca): New function for targets
2327 where SETJMP_VIA_SAVE_AREA is true.
2328 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
2329 compute the amount of stack space needed should we find later that
2330 setjmp is never called by this function, stuff rtl for this inside
2331 a REG_NOTE of the final SET of stack_pointer_rtx.
2332 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
2333 current_function_calls_alloca, call optimize_save_area_alloca.
2335 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
2337 * i386.md: Remove redundant integer push patterns.
2338 Don't bother checking for TARGET_PUSH_MEMORY when
2339 pushing constants or registers.
2341 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
2342 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
2344 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
2345 (pwait): New function for mingw32.
2347 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
2348 pipe support is broken for now.
2350 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
2352 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
2353 between frame_pointer_rtx, hard_frame_pointer_rtx, and
2354 arg_pointer_rtx is respected in initialization.
2355 (init_emit_once): Use gen_rtx_raw_REG() to create
2356 return_address_pointer_rtx.
2358 * reorg.c: #include "expr.h" for rtx prototypes.
2359 * Makefile.in (reorg.o): Depend on expr.h
2361 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
2363 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
2364 local_prefix to sub-make invocations.
2366 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
2368 * objc-parse.c: Recognize protocol qualifiers in class definitions.
2370 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
2374 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
2375 * configure.in: Check for atol.
2376 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
2378 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
2380 * loop.c (find_and_verify_loops): When attempting to move insns from
2381 inside the loop outside the loop, create a BARRIER if no suitable
2384 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
2385 favor of an equivalent change from gcc-2.8.
2387 * i386/x-sco5 (CC): Remove trailing whitespace.
2389 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2391 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
2392 (accessor_from_format): Likewise.
2393 (xmalloc): New function for use when linking with alloca.o.
2395 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2397 * frame.c (find_fde): Correct FDE's upper bound.
2399 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
2401 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
2403 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
2405 * calls.c (expand_call): Move #ifdef code out of macro argument
2407 (emit_library_call, emit_library_call_value): Likewise.
2409 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
2411 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
2413 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
2415 * version.c: Bump for snapshot.
2417 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
2419 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
2420 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
2421 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
2422 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
2423 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
2424 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
2425 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
2426 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
2427 * unroll.c, varasm.c: Likewise.
2428 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
2430 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
2432 * mips.h: Fix some type-o's from a previous change.
2434 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
2436 * loop.c (check_dbra_loop): Make sure initial value is a
2437 CONST_INT before trying to normalize it.
2439 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
2441 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
2443 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
2445 * cppexp.c: Include gansidecl.h
2447 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
2449 * svr4.h (LINK_SPEC): Never specify -h.
2450 * ptx4.h (LINK_SPEC): Likewise.
2451 * rs6000/sysv4.h (LINK_SPEC): Likewise.
2452 * sparc/sol2.h (LINK_SPEC): Likewise.
2454 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
2456 * c-typeck.c (comptypes): Exit early on NULL input.
2458 * haifa-sched.c (schedule_insns): Correctly remove inter-block
2459 dependencies after reload.
2461 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2463 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
2465 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
2467 * alpha/vms.h (DIR_SEPARATOR): define
2469 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2471 * Makefile.in (stamp-proto): Remove.
2472 (protoize.o, unprotoize.o): Straightforward compile.
2473 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
2475 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
2477 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
2478 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
2480 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
2482 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
2483 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
2484 * sparc/netbsd.h, vax/netbsd.h: Likewise.
2486 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
2488 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
2490 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
2492 * configure.in (target_cpu_default, target_cpu_default2): Use double
2493 quotes around them when testing their value.
2494 * configure: Rebuilt.
2496 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
2498 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
2500 (gendef): Call obstack_alloc_rtx.
2502 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
2504 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
2507 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
2509 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
2510 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
2511 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
2513 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
2515 * mips.md (return_internal): Change mode from SImode to VOIDmode.
2517 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
2519 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
2522 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
2524 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
2525 suffix from operand 3.
2527 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2528 Jeffrey A Law (law@cygnus.com)
2530 * regmove.c: New implementation of regmove pass.
2531 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
2532 decls, make them have external linkage. Return a value from
2533 optimize_reg_copy_1.
2534 * reload.h (count_occurrences): Add decl.
2535 * reload1.c (count_occurrences): Delete decl, make it have external
2537 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
2539 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
2541 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
2542 if it is not defined.
2544 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
2546 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
2547 * emit-rtl.c (gen_rtx): Move special code to ...
2548 (gen_rtx_CONST_INT): New function.
2549 (gen_rtx_REG): New function.
2550 (*): Update all calls to gen_rtx.
2551 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
2552 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
2553 (GEN_INT): Call gen_rtx_CONST_INT.
2554 * gengenrtl.c: New file.
2556 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
2558 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
2559 (base_alias_check): If no base found for address call canon_rtx and
2562 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
2564 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
2565 arguments for mips16.
2566 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
2567 Don't lose if tsize is zero after handling large stack for mips16.
2568 * mips.md (return): For trivial return, return address is in $31.
2570 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
2572 * mips/mips16.S: Various changes to make it work with -msingle-float
2575 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
2576 Ian Lance Taylor <ian@cygnus.com>
2577 Jeff Law <law@cygnus.com>
2579 * mips.c, mips.h, mips.md: First cut at merging in mips16
2580 support. Major modifications throughout all three files.
2582 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
2584 * configure.in: Make gthr-default.h a forwarding header instead of
2587 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2589 * gcov-io.h: Include sys/types.h to ensure we get size_t.
2591 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
2593 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
2594 Jeffrey A Law (law@cygnus.com)
2596 * crtstuff.c (__frame_dummy): New function for irix6.
2597 (__do_global_ctors): Call __frame_dummy for irix6.
2598 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
2600 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
2602 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
2604 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
2606 * c-decl.c (init_decl_processing): Provide proper fallback symbol
2607 for __builtin_memset.
2608 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
2609 not INTEGER_CST. Assert arg 3 is a constant.
2611 * alpha.c (mode_width_operand): Accept 64-bit modes.
2612 (mode_mask_operand): Likewise.
2613 (print_operand): Likewise for 'M' and 'U' codes.
2614 (alpha_expand_unaligned_load): New function.
2615 (alpha_expand_unaligned_store): Likewise.
2616 (alpha_expand_unaligned_load_words): Likewise.
2617 (alpha_expand_unaligned_store_words): Likewise.
2618 (alpha_expand_block_move): Likewise.
2619 (alpha_expand_block_clear): Likewise.
2620 * alpha.h (MOVE_RATIO): New define.
2621 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
2622 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
2624 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
2625 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
2627 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
2629 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
2630 * configure: Update.
2632 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
2634 * emit-rtl.c (operand_subword): Correctly handle extracting a word
2635 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
2637 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
2640 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
2642 * configure.in: Set and subsitute host_exeext. Use it when creating
2643 the assembler and linker symlinks.
2644 * configure: Rebuild.
2645 * Makefile.in (exeext): Set to @host_exeext@.
2646 (build_exeext): New variable, set to @build_exeext@.
2647 (FLAGS_TO_PASS): Pass down build_exeext.
2648 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
2651 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
2653 * mn10200.md (addsi3, subsi3): Fix thinkos.
2655 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
2657 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
2658 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
2659 unix always, since we want to be able to thunk to functions in a
2660 shared library from an application.
2662 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
2664 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
2665 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
2667 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
2669 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
2670 offset's mode is not ptr_mode, convert it.
2672 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
2674 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
2675 compiling if it was already defined.
2677 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
2679 * flow.c (find_basic_blocks): Don't create a new basic block
2680 for calls in a LIBCALL block.
2682 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
2684 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
2686 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
2688 * cse.c (rtx_cost): Remove conflicting default case.
2690 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
2692 * configure.in: Move default enabling of Haifa out of for loop.
2693 * configure: Rebuild.
2695 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
2697 * version.c: Bump for snapshot.
2699 1997-12-25 Teemu Torma <tot@trema.com>
2701 * Makefile.in (GTHREAD_FLAGS): New var.
2702 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
2703 (distclean): Remove gthr-default.h.
2705 * configure.in: Accept dce as a thread package.
2706 Check for thread.h and pthread.h.
2707 Link gthr-default.h to appropriate thread file and set
2709 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
2710 include multilib definitions from pa/t-dce-thr.
2711 (sparc-*-solaris2*): Enable threads by default, if thread.h or
2712 pthread.h is found, preferring posix threads over solaris ones.
2714 * config/pa/t-dce-thr: New file.
2715 * config/pa/t-pa: Removed multilibs.
2716 * config/sparc/t-sol2: Ditto.
2719 * gthr-single.h: New file.
2720 * gthr-posix.h: New file.
2721 * gthr-solaris.h: New file.
2722 * gthr-dce.h: New file.
2723 * libgcc-thr.h: Removed.
2724 * objc/thr-dce.c: New file copied from thr-decosf1.c.
2726 * frame.c: Include gthr.h instead of libgcc-thr.h.
2727 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
2728 (eh_context_initialize): If __gthread_once fails, use static eh
2730 (eh_context_free): Call __gthread_key_dtor.
2732 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
2734 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
2736 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
2738 * cse.c (max_insn_uid): New variable.
2739 (cse_around_loop): Use max_insn_uid.
2740 (cse_main): Set max_insn_uid.
2742 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
2743 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
2744 -mlong64, and -mgp{32,64} options.
2745 * mips.c (mips_abi): Change type to int.
2746 * mips.h (enum mips_abi_type): Delete.
2747 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
2748 (mips_abi): Change type to int.
2750 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
2752 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
2753 optimization is now always enabled.
2755 * calls.c (expand_call): Recognize C++ operator new as malloc-like
2758 * alias.c (memrefs_conflict_p): Eliminate tests now done by
2760 (*_dependence): Call canon_rtx before base_alias_check.
2761 (init_alias_once): New function to precompute set of registers which
2762 can hold Pmode function arguments.
2764 * rtl.h: Declare init_alias_once.
2766 * toplev.c (compile_file): Call init_alias_once.
2768 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
2770 * tree.c (restore_tree_status): Do not dereference a null pointer.
2772 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
2774 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
2775 RLIMIT_STACK. This maintains consistency with the recent, similar
2776 patch to cccp.c and toplev.c.
2778 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
2780 * genattrtab.c (expand_units): For large nr opclasses, expand
2781 function_units_used with ORX to prevent blowups. Tag with FFS.
2782 (num_unit_opclasses): New variable.
2783 (gen_unit): Update it.
2784 (enum operator): Add ORX_OP.
2785 (operate_exp): Treat ORX as or, except don't expand across an if.
2786 Reuse number rtx's after operating on them.
2787 (check_attr_value): Accept IOR, AND, & FFS.
2788 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
2789 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
2790 (write_expr_attr_cache, write_toplevel_expr): New functions.
2791 (write_attr_get): Handle FFS-tagged expressions.
2792 (make_canonical): Don't expand const attributes.
2793 (convert_const_symbol_ref): Dike out.
2794 (evaluate_eq_attr): Handle SYMBOL_REF.
2795 (main): Don't emit get_attr_foo for const attributes.
2797 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
2798 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
2799 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
2800 * alpha.md: Redo all of the scheduling, adding EV6 support, and
2801 combining function units where possible.
2802 (attr "type"): Split loads, stores, cmov into int/fp. Combine
2803 multiplies and divides. Add EV6 sqrt, ftoi, itof.
2804 (attr "opsize"): New attribute.
2805 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
2806 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
2807 to control register allocation.
2808 (movsi2-1, movdi2-1): Likewise.
2810 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
2812 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
2813 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
2814 Move OSF/1 specific defines out.
2815 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
2816 Move Linux specific defines out.
2817 (LINK_SPEC): Genericize.
2818 (ASM_FILE_START): Emit .arch if using more than the base insn set.
2819 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
2820 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
2821 (HANDLE_SYSV_PRAGMA): Define.
2822 * alpha/osf.h: New file.
2823 * alpha/linux.h: Split. Retain file-format independant defines.
2824 Import Linux bits from elf.h.
2825 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
2826 (FUNCTION_PROFILER): _mcount takes its address in $28.
2827 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
2828 * alpha/linux-ecoff.h: New file.
2829 * alpha/linux-elf.h: New file.
2830 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
2831 * alpha/win-nt.h (TARGET_DEFAULT): Define.
2832 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
2833 Add new headers as appropriate.
2835 * configure.in (alpha*): Enable Haifa by default.
2836 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
2837 * configure: Rebuild.
2839 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
2841 * Makefile.in (clean): Remove the stages with their objects here ...
2842 (distclean): ... instead of here.
2844 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2846 * cse.c (rtx_cost): Add default case in enumeration switch.
2847 * fix-header.c (recognized_macro): Likewise.
2848 (recognized_extern): Likewise.
2849 (write_rbrac): Likewise.
2850 * objc/objc-act.c (encode_aggregate): Likewise.
2851 (gen_declarator): Likewise.
2852 (gen_declspecs): Likewise.
2854 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
2856 * haifa-sched.c (create_reg_dead_note): Detect and handle another
2857 case where we kill more regs after sched than were killed before
2859 * sched.c (create_reg_dead_note): Similarly.
2861 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
2863 * c-pragma.c: Include flags.h.
2865 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
2867 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
2868 about system headers.
2869 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
2870 and also to resolve symbols in prefix.c.
2872 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
2873 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
2874 when the definitions in auto-config.h is not visible.
2875 (HAVE_BZERO): Likewise.
2876 (HAVE_BCMP): Likewise.
2877 (HAVE_RINDEX): Likewise.
2878 (HAVE_INDEX): Likewise.
2880 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
2882 * pa.c (emit_move_sequence): Handle a function label source
2885 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
2887 * c-pragma.c (handle_pragma_token): Generate warning messages
2888 about unknown pragmas if warn_unknown_pragmas is set.
2890 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
2891 line option to set variable: warn_unknown_pragmas.
2893 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
2895 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
2897 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
2899 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
2901 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
2902 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
2903 generate more fine grained floating point emulation libraries.
2904 * config/fp-bit.c: Add protecting #ifdef to all functions so
2905 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
2906 then compile all suitable functions.
2907 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
2908 underscores to avoid namespace pollution.
2909 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
2911 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
2915 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2916 Jeff Law <law@cygnus.com>
2918 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
2920 * c-decl.c (finish_decl): Use parentheses around && within ||.
2921 * rtl.c: Include stdlib.h.
2922 (read_skip_spaces): Add parentheses around assignments used as
2924 (read_rtx): Initialize list_rtx.
2925 * cppexp.c (parse_number): Use || when operands are truth values.
2926 * alias.c (find_base_value): Add default case.
2927 (memrefs_conflict): Likewise.
2928 * combine.c (sets_function_arg_p): Likewise.
2929 * genemit.c (gen_exp): Likewise.
2930 * local-alloc.c (contains_replace_regs): Likewise.
2931 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
2932 * fold-const.c (fold_convert): Use "&&" for truth values.
2933 (fold): Add default case.
2934 * sdbout.c (sdbout_field_types): Fix typo in declaration.
2935 (sdbout_one_type): Add default case.
2936 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
2937 (some_operand): Add default case.
2938 (input_operand): Likewise.
2939 (signed_comparison_operator): Likewise.
2940 (divmod_operator): Likewise.
2941 (alpha_set_memflags_1): Likewise.
2942 * reload1.c (reload_cse_simplify_operands): Ensure function
2943 always returns a value.
2944 * scan-decls.c (scan_decls): Likewise.
2945 * c-lex.c (skip_white_space): Fix typo in declaraion.
2946 * c-typeck.c (comp_target_types): Add parentheses around assignment
2947 used as truth value.
2948 (print_spelling): Likewise.
2949 (constructor_implicit, constructor_result): Remove unused variables.
2950 * collect2.c (scan_library): Protect prototype with
2951 #ifdef SCAN_LIBRARIES.
2952 * emit-rtl.c (find_line_note): Fix typo in declaration.
2953 * final.c (asm_insn_count): Protect prototype with
2954 #ifdef HAVE_ATTR_length.
2955 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
2956 (try_pre_increment_1, try_pre_increment): Likewise.
2957 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
2958 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
2959 * gcov-io.h (__store_long, __write_long, __read_long): Fix
2960 unsigned/signed comparisons.
2961 * gcov.c (read_files): Remove unused "first_type" variable.
2962 (scan _for_source_files): Initialize s_ptr.
2963 (function_summary): Eliminate "%lf" formatting, use %ld for
2965 (output_data): Initialize branch_probs and last_line_num.
2966 Eliminate "%lf" formatting, use "%ld" for longs.
2968 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
2970 * mips16.S: New file.
2972 * libgcc2.c (varargs): Handle mips16.
2974 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
2976 * stmt.c (expand_end_case): Likewise.
2977 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
2978 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
2979 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
2981 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2983 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
2984 the build directory.
2985 (libobjc.a): Update dependency list.
2986 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
2988 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
2989 (objc.mostlyclean): Remove runtime-info.h.
2991 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
2993 * tree.c (build_range_type): Allow creation of ranges with no maximum.
2994 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
2995 * dwarf2out.c (add_subscript_info): Likewise.
2996 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
2997 * sdbout.c (plain_type_1): Likewise.
2998 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
3000 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
3003 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3005 * mips.c (fatal): Remove declaration.
3007 1997-12-18 Mark Mitchell <mmitchell@usa.net>
3009 * integrate.c (get_label_from_map): New function.
3010 (expand_inline_function): Use it. Initialize the label_map to
3011 NULL_RTX instead of gen_label_rtx.
3012 (copy_rtx_and_substitute): Use get_label_from_map.
3013 * integrate.h (get_label_from_map): New function.
3014 (set_label_from_map): New macro.
3015 * unroll.c (unroll_loop): Use them.
3016 (copy_loop_body): Ditto.
3018 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
3020 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
3021 (INIT_TARGET_OPTABS): Define.
3022 * mips/ecoff.h: Include gofast.h before mips.h.
3023 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
3024 * mips/elf64.h: Likewise.
3025 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
3027 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
3029 * except.c: Remove register_exception_table{,_p}.
3031 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
3033 * unroll.c (calculate_giv_inc): Handle constant increment found in
3034 a MEM with an appropriate REG_EQUAL note.
3036 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
3038 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
3039 frame pointer in the prologue.
3041 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
3043 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
3044 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
3046 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
3048 * config/m68k/m68k.c (output_function_prologue): Typecast
3049 dwarf2out_cfi_label to (char *).
3050 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
3052 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
3054 * sparc.md (jump): Don't use the annul bit around an empty loop.
3055 Patch from Kevin.Kelly@East.Sun.COM.
3057 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
3059 * jump.c: (jump_optimize): Don't use the return register as a
3060 source1 of a conditional move.
3062 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
3064 * sparc.c (DF_MODES): Or the mask not the bit number.
3065 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
3067 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3069 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
3071 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
3073 * fixincludes (size_t): Add support for Motorola's stdlib.h
3074 which fails to provide a definition for size_t.
3075 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
3076 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
3077 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
3079 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
3080 prevent unresolved externals in libio.
3081 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
3083 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
3085 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
3086 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
3087 (LIB_SPEC): Updated for glibc 2.
3089 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
3091 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
3092 * ginclude/varargs.h: Likewise.
3094 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
3096 * version.c: Bump for snapshot.
3098 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
3100 * frame.h (__register_frame, __register_frame_table,
3101 __deregister_frame): New.
3102 * frame.c (__register_frame, __register_frame_table,
3103 __deregister_frame): New.
3104 * frame.c (__deregister_frame_info): Return void *.
3105 * frame.h (__deregister_frame_info): Ditto.
3106 * collect2.c (__deregister_frame_info): Ditto.
3108 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
3110 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
3112 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
3114 * alpha.c (alpha_cpu_name): New variable.
3115 (alpha_mlat_string): Likewise.
3116 (alpha_memory_latency): Likewise.
3117 (override_options): Handle -mmemory-latency.
3118 (alpha_adjust_cost): Adjust load cost for latency.
3119 * alpha.h (TARGET_OPTIONS): Add meory-latency.
3120 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
3121 TARGET_CIX into account.
3122 (MEMORY_MOVE_COST): Define in terms of memory_latency.
3123 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
3125 * alpha.h (ASM_COMMENT_START): New macro.
3127 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
3129 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
3130 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
3132 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
3133 SUBREG_REG if the word count is unchanged.
3134 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
3135 subregs of identical word size for push_reload.
3137 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
3139 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
3140 if all we're doing is dealing with -Wreturn-type.
3142 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
3144 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
3145 Use and 255 instead of zapnot 1, since it schedules better.
3147 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
3149 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
3152 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
3154 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
3155 dependency we delete. Properly update prev for multiple consecutive
3157 (priority): Skip deleted dependence.
3159 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
3161 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
3163 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
3165 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
3166 determining when a new basic block starts.
3168 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
3170 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
3171 * pa.md (iorsi3): Add missing args to *_operand calls.
3173 * except.c (call_get_eh_context): Don't mess with sequences.
3174 (emit_eh_context): Include the call in the sequence here.
3176 1997-12-11 Paul Eggert <eggert@twinsun.com>
3178 * collect2.c (write_c_file_glob): Allocate initial frame object
3179 in static storage and pass its address.
3181 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
3183 * except.c (call_get_eh_context): Don't take a parm.
3184 Put the call at the top of the function.
3185 (emit_eh_context): Adjust.
3186 (get_eh_context): Replace with former use_eh_context.
3187 (get_eh_context_once, get_saved_pc_ref): Remove.
3188 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
3190 * integrate.c (expand_inline_function): Adjust.
3191 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
3193 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
3195 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
3196 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
3198 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
3200 * fixincludes (strlen,strspn,strcspn return value): Handle different
3202 (hypot): Provide a fake for hypot which is broken on
3203 m88k-motorola-sysv3.
3205 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
3207 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
3208 tree_code_name from pointers to arrays.
3209 * tree.c: Remove standard_tree_code_* variables, no longer used.
3210 * print-tree.c: Remove declaration of tree_code_name.
3212 * cp/lex.c (init_lex): Update for tree_code_* changes.
3213 * objc/objc-act.c (init_objc): Likewise.
3215 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
3218 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
3220 * config.sub: Add support for BeOS target.
3221 * configure.in: Likewise.
3222 * ginclude/stdarg.h: Likewise.
3223 * ginclude/stddef.h: Likewise.
3224 * ginclude/varargs.h: Likewise.
3225 * rs6000/beos.h: New file for BeOS.
3226 * rs6000/t-beos: Likewise.
3227 * rs6000/x-beos: Likewise.
3228 * rs6000/xm-beos.h: Likewise.
3229 * toplev.c (get_run_time): Just return 0 on BeOS.
3231 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
3232 Toon Moene (toon@moene.indiv.nluug.nl)
3234 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
3235 old and broken Sun3 assemblers. Newer versions handle large
3236 offsets correctly as does the GNU assembler.
3238 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3240 * objc/objc-act.c (lang_report_error_function): Disable.
3241 * objc/objc-parse.y: Include "output.h".
3242 (yyerror): Remove redundant decl.
3243 (yyprint): Fix prototype.
3244 (apply_args_register_offset): Remove redundant decl.
3245 (get_file_function_name): Likewise.
3247 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
3249 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
3251 (find_basic_blocks_1): Likewise.
3253 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
3255 * except.c (use_eh_context): Don't copy_rtx a REG.
3256 (emit_throw): Lose old unwinder support.
3257 (expand_internal_throw): Likewise.
3258 * libgcc2.c (struct eh_context): Likewise.
3259 (new_eh_context): Likewise.
3260 (__get_eh_info): Lose redundant cast.
3261 (__get_dynamic_handler_chain): Likewise.
3262 (__get_saved_pc): Lose.
3263 Lose all old unwinder support code.
3265 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
3267 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
3269 * integrate.c (expand_inline_function): If the inline fn uses eh
3270 context, make sure that the current fn has one.
3271 * toplev.c (rest_of_compilation): Call emit_eh_context.
3272 * except.c (use_eh_context): New fn.
3273 (get_eh_context_once): New fn.
3274 (call_get_eh_context): New fn.
3275 (emit_eh_context): New fn.
3276 (get_eh_context): Call either get_eh_context_once or
3277 call_get_eh_context, depending on what we have.
3278 (get_dynamic_handler_chain): Call get_eh_context_once.
3279 * except.h: Prototypes for fns above.
3280 * optabs.c (get_eh_context_libfunc): Removed.
3281 (init_optabs): Don't initialize it.
3282 * expr.h (get_eh_context_libfunc): Removed.
3283 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
3284 * config/pa/pa.h (CPP_SPEC): Support for -threads.
3285 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
3286 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
3287 New multilib for -threads.
3288 * config/sparc/t-sol2: Added multilibs for -threads and
3289 made -pthreads alias to it.
3290 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
3291 Added -threads and -pthreads options.
3292 * libgcc-thr.h: New file.
3293 * libgcc2.c: (__get_cpp_eh_context): Removed.
3294 (struct cpp_eh_context): Removed.
3295 (struct eh_context): Replaced cpp_eh_context with generic language
3297 (__get_eh_info): New function.
3298 (__throw): Check eh_context::info.
3300 * libgcc2.c: Include libgcc-thr.h.
3301 (new_eh_context, __get_eh_context,
3302 eh_pthread_initialize, eh_context_initialize, eh_context_static,
3303 eh_context_specific, eh_context_free): New functions.
3304 (get_eh_context, eh_context_key): New variables.
3305 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
3306 get_eh_context to get the context.
3307 (longjmp): Move the declaration inside
3308 #ifdef DONT_USE_BUILTIN_SETJMP.
3309 * frame.c: Include libgcc-thr.h.
3310 (object_mutex): Mutex to protect the object list.
3311 (find_fde, __register_frame, __register_frame_table,
3312 __deregister_frame): Hold the lock while accessing objects.
3313 * except.h (get_eh_context): Declare.
3314 * except.c (current_function_ehc): Define.
3315 (current_function_dhc, current_function_dcc): Removed.
3316 (get_eh_context): New function.
3317 (get_dynamic_handler_chain): Use get_eh_context.
3318 (get_saved_pc_ref): Ditto.
3319 (get_dynamic_cleanup_chain): Removed references to
3320 current_function_dcc.
3321 (save_eh_status, restore_eh_status): Save and restore
3322 current_function_ehc instead.
3323 * optabs.c (get_eh_context_libfunc): New variable.
3324 (init_optabs): Initialize it.
3325 * expr.h: Declare get_eh_context_libfunc.
3326 * function.h (struct function): Replaced dhc and dcc with ehc.
3327 * except.c (get_saved_pc_ref): New functions.
3328 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
3329 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
3331 (end_eh_unwinder): Likewise.
3332 (init_eh): Remove initialization of eh_saved_pc.
3333 * optabs.c (get_saved_pc_libfunc): New variable.
3334 (init_optabs): Initialize it.
3335 * expr.h: Declare get_saved_pc_libfunc.
3336 * except.h (eh_saved_pc_rtx): Deleted.
3337 (get_saved_pc_ref): Declared.
3339 From Scott Snyder <snyder@d0sgif.fnal.gov>:
3340 * libgcc2.c (__get_saved_pc): New.
3341 (__eh_type, __eh_pc): Deleted.
3342 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
3343 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
3346 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
3348 * sparc/sol2.h: Use 64 bit multiply and divide functions in
3349 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
3352 * rtl.h (global_rtl): New variable, replacing separate variables for
3354 (const_int_rtx): Now array of rtx_def, not rtx.
3355 * emit-rtl.c: Update for new rtl data structures.
3356 * genattrtab.c: Define global_rtl.
3358 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
3360 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
3363 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
3365 * crtstuff.c (__do_global_ctors): Fix typo.
3367 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
3369 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
3370 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
3372 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
3374 * rs6000.h (FUNCTION_ARG_PADDING): Define.
3375 * rs6000.c (function_arg_padding): New function.
3377 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
3379 * m68k.c: Include tree.h only once.
3381 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3383 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
3385 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
3387 * Partially cleaned up prototyping code from HJ.
3388 * tree.h: Add many prototypes.
3389 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
3390 All references changed.
3391 * rtl.h: Protect from multiple inclusions. Add many prototypes.
3393 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
3395 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
3396 string functions like strlen.
3398 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
3400 * configure.in: Check for functions getrlimit and setrlimit.
3401 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
3402 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
3404 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
3406 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
3408 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
3410 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
3413 * alpha.c (override_options): Don't know about scheduling for EV6.
3414 * alpha.md (ev5 function units): Don't overload as ev6.
3416 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
3417 * alpha.md (define_attr type): Add mvi.
3418 (ev5_e0): Define sceduling parameters for it.
3419 (TARGET_MAX insns): Type is mvi not shift.
3421 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
3423 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
3425 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3427 * cstamp-h, auto-config.h: Delete.
3429 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
3431 * version.c: Bump for snapshot.
3433 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
3435 * cccp.c: Fix typo brought over in merge.
3437 * Merge in changes from gcc-2.8.
3439 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
3441 * m68k.c: Include tree.h for dwarf2out_cfi_label.
3443 * gcc.c (process_command): Do not take address of function fatal when
3444 calling lang_specific_driver.
3446 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
3448 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
3449 doesn't work with it yet, so set it to 0.
3450 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
3452 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3454 * cse.c (cse_insn): Check for invalid entries when taking references.
3456 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3458 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
3459 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
3460 * toplev.c (rest_of_compilation): Pass it. Remove code to
3461 save / clear / restore flag_unroll_{,all_}loops.
3463 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
3465 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
3467 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
3469 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
3471 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
3473 * except.c (get_dynamic_handler_chain): Only make the call once per
3476 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
3478 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3480 * sh.c (final_prescan_insn): Use local label prefix
3481 when emitting .uses pseudo-ops.
3483 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3485 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
3486 * except.c: Lose outer_context_label_stack.
3487 (expand_eh_region_end): Rethrow from outer_context here.
3488 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
3489 (expand_internal_throw): Take no args.
3490 (expand_internal_throw_indirect): Lose.
3491 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
3492 (expand_start_all_catch): Start a rethrow region.
3493 (expand_end_all_catch): End it.
3494 (expand_rethrow): New fn.
3495 * except.h: Reflect above changes.
3496 * flow.c: Revert change of Nov 27.
3498 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
3500 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
3502 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3504 * except.c (expand_fixup_region_end): New fn.
3505 (expand_fixup_region_start): Likewise.
3506 (expand_eh_region_start_tree): Store cleanup into finalization here.
3507 * stmt.c (expand_cleanups): Use them to protect fixups.
3509 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
3511 * mips/mips.md (muldi3_r4000): Broaden the output template
3512 and attribute assignments to handle three operand dmult;
3513 rename to muldi3_internal2.
3514 (muldi3): Call the new muldi3_internal2 for R4000, and
3515 any GENERATE_MULT3 chip.
3517 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
3519 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
3521 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
3523 * unroll.c (find_splittable_givs): Remove last change. Handle givs
3524 with a dest_reg that was created by loop.
3526 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
3528 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
3530 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
3532 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
3534 * configure.in: Fix NCR entries.
3536 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
3538 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
3539 nested exceptions correctly.
3541 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
3542 that was created by loop.
3544 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3546 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
3548 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
3550 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
3552 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
3553 (print_operand): Use SMALL_DATA_REG for the register involved in
3554 small data relocations.
3555 (print_operand_address): Ditto.
3557 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
3558 -dynamic linker is not used.
3560 * rs6000.md (call insns): For local calls, use @local suffix under
3561 System V. Don't use @plt under Solaris.
3563 * rs6000.c (output_function_profiler): Put label address in r0, and
3564 store LR in 4(sp) for System V/eabi.
3566 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
3567 byte boundary, and maintain stack backchain.
3569 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
3571 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
3572 fix_truncsfdi2): Change *.
3574 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
3576 * toplev.c (main): Complain about -gdwarfn.
3578 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
3580 * dwarfout.c (output_type): If finalizing, write out nested types
3581 of types we've already written.
3583 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
3585 (patches originally from Geoffrey Keating)
3586 * rs6000.c (function_arg): Excess floating point arguments don't
3587 go into GPR registers after exhausting FP registers under the
3589 (function_arg_partial_nregs): Ditto.
3591 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
3594 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
3596 * integrate.c (output_inline_function): Just unset DECL_INLINE.
3598 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
3600 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
3603 * libgcc2.c (__throw): Initialize HANDLER.
3605 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
3607 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
3608 fix_truncsfdi2): Change *X to ?*X.
3610 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
3612 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
3614 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
3616 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
3618 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
3620 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
3622 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
3624 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
3625 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
3628 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
3630 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
3631 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
3632 gas and not using the new HP assembler.
3634 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
3636 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
3637 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
3639 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
3641 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
3642 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
3645 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3647 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
3649 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3651 * except.h: Add outer_context_label_stack.
3652 * except.c: Likewise.
3653 (expand_start_all_catch): Push the outer_context for the try block
3654 onto outer_context_label_stack.
3655 (expand_end_all_catch): Use it and pop it.
3657 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
3659 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
3661 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
3663 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
3665 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
3667 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
3668 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
3670 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
3672 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
3673 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
3674 __builtin_delete, and __builtin_vec_delete.
3676 * except.c (output_exception_table): Don't bother with
3679 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
3681 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
3682 is an in/out operand.
3683 (zero extended variants of stwm/stwm patterns): Similarly.
3685 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
3687 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
3689 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
3691 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
3692 (output_call_frame_info): Emit a \n after using it.
3694 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
3696 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
3698 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
3700 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
3701 (ASM_OUTPUT_DWARF_VALUE4): New macro.
3702 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
3704 (output_call_frame_info): Do not output forward label differences
3705 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
3706 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
3708 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3710 * sh.md (attribute "type"): Add nil.
3711 (movsi_ie): y/y alternative is type nil.
3712 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
3714 (movsf_ie+1): Delete.
3716 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
3718 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
3719 large_int, emit two insns instead of one splitable insn.
3720 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
3721 from cfa_temp_value, use cfa_offset. Add assert checking that
3724 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
3726 * cccp.c (deps_output): Properly quote file names for make.
3728 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
3730 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
3732 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
3734 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
3736 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
3738 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
3740 (cse_end_of_basic_block): Similarly.
3742 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
3744 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
3745 (SELECT_RTX_SECTION): Define.
3746 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
3748 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
3750 * Makefile.in (compare, compare-lean): Define $stage for each
3752 (gnucompare, gnucompare-lean): Likewise.
3754 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
3756 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
3758 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
3759 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
3761 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
3763 * dwarfout.c (byte_size_attribute): Add local var upper_bound
3764 and add case to handle STRING_TYPE.
3765 * dwarfout.c (output_string_type_die): Fix code to generate
3766 correct string length attribute for fixed length strings.
3767 Still needs support for varying length strings.
3769 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
3771 * toplev.c (get_run_time): Do something sensible for cygwin32.
3773 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
3775 * expr.c (expand_builtin_setjmp): Set
3776 current_function_has_nonlocal_label.
3777 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
3778 call-saved registers across calls.
3780 * alpha.md (exception_receiver): Remove.
3781 (nonlocal_goto_receiver_osf): New
3782 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
3783 (nonlocal_goto_receiver): New, select _osf or _vms.
3785 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
3786 keep them from being propogated to the object file.
3787 (alpha_write_linkage): Likewise.
3788 * alpha.md (call_vms): Likewise.
3789 (call_value_vms): Likewise.
3790 (unnamed osf call insns): Likewise.
3792 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
3793 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3795 * alpha.c (call_operand): Any reg is valid for WinNT.
3796 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
3797 (anon nt calls): Add 'R' alternative.
3798 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
3799 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
3801 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
3803 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
3805 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
3806 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
3807 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
3809 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
3811 * reload1.c (new_spill_reg): Improve fixed or forbidden register
3812 spill error message.
3814 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3816 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
3817 use varargs.h. Wrap header with <>, not "".
3819 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
3821 * integrate.c (save_for_inline_copying): Add return value from
3824 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
3826 * fixincludes: Be a little more restrictive on what we will
3827 substitute to replace definitions of MAXINT for HPUX.
3829 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
3831 * dbxout.c (dbxout_symbol_location): Don't assume that variables
3832 whose address is the stack or argument pointers are indirect
3835 1997-11-13 Paul Eggert <eggert@twinsun.com>
3837 * cccp.c, cpplib.c (compare_defs):
3838 Don't complain about arg name respellings unless pedantic.
3839 * cpplib.c (compare_defs): Accept pfile as new arg.
3840 All callers changed.
3842 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3844 * fold-const.c (fold_truthop): Fix bug in last change.
3846 1997-11-13 Paul Eggert <eggert@twinsun.com>
3848 Fix some confusion with IEEE minus zero.
3850 * real.h (REAL_VALUES_IDENTICAL): New macro.
3852 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
3853 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
3855 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
3856 same tree structure as 0.0.
3858 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
3859 macro instead of doing it by hand.
3861 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
3863 * v850/lib1funcs.asm: Minor whitespace changes.
3864 * v850.c: Fix minor formatting problems in many places.
3865 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
3867 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
3869 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
3870 xplus1 when xplus0 is not a register.
3872 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
3874 * flow.c (find_basic_blocks): During marking phase, if we encounter
3875 an insn with a REG_LABEL note, make the target block live and
3876 create an edge from the insn to the target block. Do not make
3877 edges from all blocks to the target block.
3879 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
3881 * confiugre.in: Tweak NCR entries.
3882 * configure: Rebuilt.
3884 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
3886 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
3887 pick apart floating point values, instead of using CONST_DOUBLE_LOW
3888 and CONST_DOUBLE_HIGH.
3890 * rs6000.md (define_splits for DF constants): Use the appropriate
3891 REAL_VALUE_* interface to pick apart DF floating point constants in
3892 a machine independent fashion.
3894 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3896 * fold-const.c (fold_truthop): When changing a one-bit comparison
3897 against zero into a comparison against mask, do a proper sign
3900 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
3902 * except.c: Do not include "assert.h".
3903 (save_eh_status): Turn asserts into conditional aborts.
3904 (restore_eh_status, scan_region): Likewise.
3905 * dwarfout.c: Do not include "assert.h".
3906 (bit_offset_attribute): Turn asserts into conditional aborts.
3907 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
3908 (output_inlined_structure_type_die): Likewise.
3909 (output_inlined_union_type_die): Likewise
3910 (output_tagged_type_instantiation): Likewise.
3911 (dwarfout_file_scope_decl): Likewise.
3912 * dwarf2out.c: Do not include "assert.h"
3913 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
3914 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
3915 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
3916 (add_bit_size_attribute, scope_die_for): Likewise.
3917 (output_pending_types_for_scope): Likewise.
3918 (get_inlined_enumeration_type_die): Likewise.
3919 (get_inlined_structure_type_die): Likewise.
3920 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
3921 (gen_tagged_type_instantiation_die): Likewise.
3923 * flow.c (find_basic_blocks): Refine further to get a more correct
3924 cfg, especially in the presense of exception handling, computed
3925 gotos, and other non-trivial cases. Call abort if an inaccuracy
3926 is detected in the cfg.
3928 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3930 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
3932 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
3933 (skip_white_space): Use whitespace_cr.
3934 (check_newline): Handle whitespace more consistently.
3936 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
3938 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
3939 * i386/xm-cygwin32.h (POSIX): Define.
3941 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
3943 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
3944 is available elsewhere.
3946 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
3948 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
3949 what the instruction can handle.
3951 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
3953 * stmt.c (expand_decl_cleanup_no_eh): New fn.
3955 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
3957 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
3959 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
3960 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
3962 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
3964 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
3965 swap instruction order.
3967 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
3969 * fixinc.svr4 (__STDC__): Add another case.
3971 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3973 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
3974 addresses in the epilogue delay slot.
3976 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
3978 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
3979 in generated `specs' file.
3981 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
3983 * flags.h (flag_rerun_loop_opt): Declare.
3984 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
3985 * toplev.c (flag_rerum_loop_opt): Delete static.
3987 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3989 Bring over from FSF:
3991 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3993 * va-sh.h (__va_arg_sh1): Define.
3995 SH3E doesn't use any integer registers for subsequent arguments
3996 once a non-float value was passed in the stack.
3997 * sh.c (machine_dependent_reorg): If optimizing, put explicit
3998 alignment in front label for ADDR_DIFF_VEC.
3999 * sh.h (PASS_IN_REG_P): Fix SH3E case.
4000 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
4002 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4004 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
4007 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4009 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
4010 put an use_sfunc_addr before each sfunc.
4011 * sh.md (use_sfunc_addr, dummy_jump): New insns.
4012 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
4014 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4016 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
4018 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
4020 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
4023 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
4025 * alias.c (find_base_value): Only return the known base value for
4028 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
4030 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
4031 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
4033 (prologue_get_pc_and_set_got): New pattern.
4035 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
4037 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
4038 for SUBREG, just fall through.
4040 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
4042 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
4044 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
4046 * fixincludes: Fix "hypot" prototype in NeXT math.h.
4048 * Makefile.in (USE_ALLOCA): Always include alloca.o.
4049 (USE_HOST_ALLOCA): Likewise.
4051 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
4052 and LABEL_REFS fields.
4053 * rtl.h (LABEL_REFS): Update.
4055 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
4057 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
4058 sets i2dest. When calling distribute_notes for i3dest_killed, pass
4059 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
4062 * mips.md (insv, extzv, extv): Add change_address call.
4063 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
4065 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
4067 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
4069 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
4070 save_restore_insns if no FP and GP will be restored.
4072 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
4073 Convert CCmode to word_mode before calling GET_MODE_SIZE.
4075 * acconfig.h (HAVE_INTTYPES_H): Undef.
4076 * configure.in (inttypes.h): Check for conflicts between sys/types.h
4077 and inttypes.h, and verify that intmax_t is defined.
4078 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
4079 * config/mips/x-iris3: Likewise.
4081 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
4083 * alias.c (find_base_value): When copying arguments, return the
4084 tenative value for a hard register.
4086 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
4088 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
4089 (yylex): Record wide strings using target endianness, not host.
4091 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
4093 * mn10200.h (ASM_OUTPUT_BSS): Delete.
4094 (ASM_OUTPUT_ALIGNED_BSS): New macro
4095 * mn10300.h (ASM_OUTPUT_BSS): Delete.
4096 (ASM_OUTPUT_ALIGNED_BSS): New macro.
4097 * v850.h (ASM_OUTPUT_BSS): Delete.
4098 (ASM_OUTPUT_ALIGNED_BSS): New macro.
4100 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4102 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
4104 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
4106 * configure.in (sco5): Use cpio to install header files.
4108 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
4110 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
4112 * configure: Rebuild.
4114 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
4116 * i386/sco5.h: enable -gstabs once again.
4118 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
4120 * arm.c (output_move_double): Allocate 3 entries in otherops array.
4122 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
4124 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
4125 notes for sjlj exceptions too.
4126 (expand_eh_region_end): Similarly for EH_REGION_END notes.
4127 (exception_optimize): Optimize EH regions for sjlj exceptions too.
4128 * final.c (final_scan_insn): Don't output labels for EH REGION
4129 notes if doing sjlj exceptions.
4131 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
4133 * alias.c (init_alias_analysis): Handle -fno-alias-check when
4134 optimizing correctly.
4136 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
4137 or set current_function_calls_setjmp anymore.
4139 * flow.c (find_basic_blocks): If we delete the label for an
4140 exception handler, remove it from the EH label list and remove
4141 the EH_BEGIN/EH_END notes for that EH region.
4143 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
4145 * flow.c (find_basic_blocks): Generate correct flow control
4146 information when exception handling notes are present.
4148 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
4150 * dwarf2out.c (output_call_frame_info): Fix length argument
4151 to ASM_OUTPUT_ASCII.
4152 (output_die, output_pubnames, output_line_info): Likewise.
4154 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
4156 * version.c: Bump for snapshot.
4158 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
4159 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
4160 flag_debug_asm is on.
4161 (output_die, output_pubnames, output_line_info): Likewise.
4163 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
4164 and static_chain_rtx into the potential base values array if
4167 * alias.c (new_reg_base_value): New array of potential base values.
4168 (unique_id): Now file scoped static.
4169 (find_base_value, case REG): Return the value in reg_base_value
4170 array for the REG if it exists. Else, return the value from
4171 new_reg_base_value if copying args and REG is a hard register.
4172 (find_base_value, case PLUS): If either operand of the PLUS is
4173 a REG, try to get its base value. Handle base + index and
4175 (record_set): Use new_reg_base_value instead of reg_base_value.
4176 (init_alias_analysis): Allocate space for new_reg_base_value too.
4177 Rework code to iterate over the insns propagating base value
4178 information until nothing changes.
4180 * global.c (global_alloc): Free the conflict matrix after
4181 reload has finished.
4183 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
4185 * libgcc2.c (L_eh): Define __eh_pc.
4186 Replace __eh_type with generic pointer __eh_info.
4188 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
4190 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
4191 use copy_to_reg if address is not a general_operand.
4193 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4195 * profile.c (output_func_start_profiler): Clear flag_inline_functions
4196 for the duration of the call to rest_of_compilation.
4198 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
4200 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
4202 (sparc*-*-*): Recognize --with-cpu=v9.
4203 * sparc/elf.h: New file.
4204 * sparc/t-elf: New file.
4206 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
4208 * mn10300.c (const_8bit_operand): New function.
4209 (mask_ok_for_mem_btst): New funtion.
4210 * mn10300.md (btst patterns with mem operands): Use new functions
4211 to avoid creating btst instructions with invalid operands.
4213 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
4215 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
4216 are running on PowerPC Linux.
4218 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
4220 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
4221 if not previously defined.
4223 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
4225 * function.c (assign_parms): Correct mode of stack_parm if
4226 entry_parm underwent a mode conversion.
4228 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
4230 * global.c (global_alloc): Use xmalloc instead of alloca for
4231 CONFLICTS, since max_allocno * allocno_row_words alone can be more
4232 than 2.5Mb sometimes.
4234 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
4236 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
4237 DEST for the spill, adjust mode of SRC to compensate.
4239 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
4241 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
4242 since any_memory_operand() allows pseudos during reload.
4243 (reload_inhi, reload_outqi, reload_outhi): Likewise.
4245 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
4247 * m68k.md (btst patterns): Add 5200 support.
4249 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
4251 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
4252 optimizations, look inside dividend to determine if the expression
4253 can be simplified by using EXACT_DIV_EXPR.
4255 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
4258 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
4260 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
4262 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
4264 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
4266 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
4269 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
4271 * alpha.md (movqi, movhi): Make sure new insns created during reload
4272 won't need reloading themselves.
4273 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
4275 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
4277 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
4279 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
4281 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
4282 Patch from Klaus Kaempf <kkaempf@progis.de>.
4284 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
4286 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
4287 to an element in a constant string.
4289 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
4291 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
4292 bit PC-relative offset. The exception range table pointer is now in
4294 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
4295 (count_fdes, add_fdes, get_cie): Adjust.
4296 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
4299 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
4301 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
4303 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
4304 like stack_pointer_rtx.
4306 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
4308 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
4309 targets using "$@" to provide support for similar but not identical
4310 targets without having to duplicate code.
4311 (bootstrap4): New goal.
4313 * Makefile.in (compare, compare-lean, compare3): Combined to one
4314 ruleset determining actions to be performed via $@.
4315 (compare4, compare4-lean): New targets.
4316 (gnucompare, gnucompare3): Combined to one ruleset determining
4317 actions to be performed via $@. Also, note which files failed
4318 the comparison test in .bad_compare.
4319 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
4321 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
4323 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
4324 if the dividend is a multiple of the divisor.
4326 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
4328 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
4330 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
4333 * alias.c (true_dependence): Fix typo.
4335 * toplev.c (flag_rerun_loop_opt): New variable.
4336 (f_options): Handle -frerun-loop-opt.
4337 (rest_of_compilation): If -frerun-loop-opt, then run the loop
4339 (main): Enable -frerun-loop-opt by default for -O2 or greater.
4341 * loop.c (simplify_giv_expr): Adding two invariants results
4344 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
4346 * expr.c (get_inner_reference): Remove the array bias after
4347 converting the index to Pmode.
4349 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
4351 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
4352 (TARGET_MULT_BUG): Define.
4353 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
4354 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
4356 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
4358 * mn10200.c (indirect_memory_operand): Delete unused function.
4359 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
4360 * mn10200.md (bset, bclr insns): Handle output in a reg too.
4362 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
4364 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
4365 the callee's ldgp, we must do it ourselves, and we use the jsr tag
4366 for more than scheduling.
4368 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
4370 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
4372 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
4374 * mn10300.c (symbolic_operand, legitimize_address): New functions.
4375 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
4376 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
4378 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
4380 * version.c: Bump for snapshot.
4382 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4384 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
4387 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
4389 * toplev.c (flag_exceptions): Default value is 2.
4390 (compile_file): If flag_exceptions still has the value 2, then
4393 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
4394 (rs6000_save_machine_status): Save pic_offset_table_rtx.
4395 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
4397 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
4400 * rs6000.md (*movsi_got_internal_mem): New pattern.
4401 (*movsi_got_internal_mem splitter): New define_split.
4403 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
4405 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
4407 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
4409 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
4410 only need to save LR.
4412 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
4414 * mn10300.md (movqi, movhi): Avoid using address registers as
4415 destinations unless absolutely necessary.
4417 * mn10200.c (expand_prologue): Fix typo.
4419 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
4421 * mn10200.md (neghi2): Provide an alternative which works if
4422 the input and output register are the same.
4424 * mn10300.c (print_operand): Handle 'S'.
4425 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
4426 shift amount in last alternative
4428 * mn10300.c (expand_epilogue): Rework to handle register restores
4429 in "ret" and "retf" instructions correctly.
4431 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
4433 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
4434 extzv for memory operands.
4436 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
4437 redundant conditional moves to single operand.
4439 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
4441 * v850.h: Move define of __v850__ from CPP_PREDEFINES
4444 * xm-v850.h: Use __v850 rather than __v850__ to
4447 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
4449 * mips/mips.c (compute_frame_size): Not a leaf function if
4452 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
4454 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
4456 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
4458 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
4459 (DEFAULT_ARCH32_P): New macro.
4460 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
4461 (enum cmodel): Declare.
4462 (sparc_cmodel_string,sparc_cmodel): Declare.
4463 (SPARC_DEFAULT_CMODEL): Provide default.
4464 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
4465 (TARGET_FULLANY): Deleted.
4466 (TARGET_CM_MEDMID): New macro.
4467 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
4468 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
4469 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
4470 (CPP_SPEC): Rewrite.
4471 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
4472 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
4473 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
4474 (ASM_SPEC): Add %(asm_arch).
4475 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
4476 Rename asm_default to asm_cpu_default.
4477 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
4478 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
4479 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
4480 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
4481 (MASK_INT64,MASK_LONG64): Delete.
4482 (MASK_ARCH64): Renamed to MASK_64BIT.
4483 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
4484 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
4485 (TARGET_SWITCHES): Always provide 64 bit options.
4486 (ARCH64_SWITCHES): Delete.
4487 (TARGET_OPTIONS): New option -mcmodel=.
4488 (INT_TYPE_SIZE): Always 32.
4489 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
4490 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
4491 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
4492 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
4493 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
4495 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4496 * sparc/linux.h: Likewise.
4497 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
4498 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
4499 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
4500 (SPARC_DEFAULT_CMODEL): Define.
4501 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4502 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4503 (LONG_DOUBLE_TYPE_SIZE): Define.
4504 (ASM_SPEC): Add %(asm_arch).
4505 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4506 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4507 (TARGET_CPU_DEFAULT): Add ultrasparc case.
4508 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
4509 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
4510 (SPARC_DEFAULT_CMODEL): Define.
4511 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
4512 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
4513 MASK_LONG64, MASK_MEDANY.
4514 (SPARC_DEFAULT_CMODEL): Define.
4515 (CPP_PREDEFINES): Delete.
4516 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4517 (ASM_SPEC): Add %(asm_arch).
4518 (LONG_DOUBLE_TYPE_SIZE): Define.
4519 (DWARF2_DEBUGGING_INFO): Define.
4520 * sparc/splet.h (CPP_SPEC): Delete.
4521 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4522 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
4523 (BLOCK_PROFILER): Likewise.
4524 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
4525 (sparc_override_options): Handle code model selection.
4526 (sparc_init_expanders): Renamed from sparc64_init_expanders.
4527 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
4528 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
4529 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
4530 (sethi_di_fullany): Delete.
4532 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
4533 Jeff Law <law@cygnus.com>
4534 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4536 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
4537 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
4538 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
4539 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
4540 * alpha/alpha.md (arg_home): Likewise.
4542 * alpha/alpha.c (vmskrunch): Delete
4543 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
4544 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
4545 truncate to 64 characters.
4547 * make-l2.com: Support openVMS/Alpha.
4549 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
4551 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4553 * longlong.h (count_leading_zeros): Add missing casts to USItype.
4555 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
4557 * i386/bsd386.h (ASM_COMMENT_START): Define.
4559 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
4561 * tree.c (restore_tree_status): Also free up temporary storage
4562 when we finish a toplevel function.
4563 (dump_tree_statistics): Print stats for backend obstacks.
4565 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
4567 * expr.c (use_group_regs): Don't call use_reg for MEMs.
4569 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
4571 * libgcc2.c (__throw): Don't copy the return address.
4572 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
4574 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
4575 * toplev.c (main): Initialize exceptions_via_longjmp.
4577 * tree.c: Add extra_inline_obstacks.
4578 (save_tree_status): Use it.
4579 (restore_tree_status): If this is a toplevel inline obstack and we
4580 didn't want to save anything on it, recycle it.
4581 (print_inline_obstack_statistics): New fn.
4582 * function.c (pop_function_context_from): Pass context to
4583 restore_tree_status.
4584 * obstack.h (obstack_empty_p): New macro.
4586 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
4588 * i386/freebsd.h (ASM_COMMENT_START): Fix.
4590 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
4592 * v850.c (ep_memory_offset): New function.
4593 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
4595 * v850.h (CONST_OK_FOR_*): Add and correct comments.
4596 (CONSTANT_ADDRESS_P): Add comment.
4597 (EXTRA_CONSTRAINT): Define 'U'.
4598 * v850.md: Add comments on bit field instructions.
4599 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
4600 (lshrsi3): Use N not J constraint.
4602 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
4604 * v850.c (reg_or_0_operand): Call register_operand.
4605 (reg_or_int5_operand): Likewise.
4606 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
4607 (TARGET_SWITCHES): Add "big-switch".
4608 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
4609 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
4610 (CASE_DROPS_THROUGH): Comment out.
4611 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
4612 * v850.md (cmpsi): Delete compare mode.
4613 (casesi): New pattern.
4615 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
4616 * v850.md (ashlsi3): Use SImode not QImode for shift count.
4617 (lshrsi3): Likewise.
4619 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
4620 unreachable switch statement after 'b' support. Remove "b" from
4621 strings for 'b' support.
4622 * v850.md (branch_normal, branch_invert): Change %b to b%b.
4624 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
4626 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
4627 empty line if @inhibit_libc@ is empty.
4629 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
4631 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
4632 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
4633 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
4634 (DWARF2_UNWIND_INFO): Let this track object file format.
4635 (EXTRA_SECTIONS): Add in_eh.
4636 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
4637 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
4639 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
4641 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
4642 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
4644 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
4645 (output_double_int): Output DI mode values correctly when
4646 HOST_BITS_PER_WIDE_INT is 64.
4647 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
4648 fmovd so it works if a quad float ends up in one of the upper 32
4650 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
4651 necessary for PIC support on sparc64.
4653 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
4655 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
4656 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
4657 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
4658 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
4659 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
4660 (SPARC_FP_ARG_FIRST): New macro.
4661 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
4662 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
4663 (NPARM_REGS): There are 32 fp argument registers now.
4664 (FUNCTION_ARG_REGNO_P): Likewise.
4665 (FIRST_PARM_OFFSET): Update to new v9 abi.
4666 (REG_PARM_STACK_SPACE): Define for arch64.
4667 (enum sparc_arg_class): Delete.
4668 (sparc_arg_count,sparc_n_named_args): Delete.
4669 (struct sparc_args): Redefine and use for arch32 as well as arch64.
4670 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
4671 (FUNCTION_ARG_ADVANCE): Rewrite.
4672 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
4673 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
4674 (FUNCTION_ARG_CALLEE_COPIES): Delete.
4675 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
4676 (STRICT_ARGUMENT_NAMING): Define.
4677 (doublemove_string): Declare.
4678 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
4679 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
4680 (doublemove_string): New function.
4681 (output_move_quad): Clean up some of the arch64 support.
4682 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
4683 Don't add 8 bytes of reserved space if arch64.
4684 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
4685 (init_cumulative_args): New function.
4686 (function_arg_slotno): New static function.
4687 (function_arg,function_arg_partial_nregs): New functions.
4688 (function_arg_{pass_by_reference,advance}): New functions.
4689 (function_arg_padding): New function.
4690 * ginclude/va-sparc.h: Rewrite v9 support.
4692 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4694 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
4695 for hard regs to determine base and index registers.
4697 * reload.c (debug_reload_to_stream): New function. Specify stream
4698 into which to write debug info.
4699 (debug_reload): Modify to call debug_reload_to_stream with stderr.
4701 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
4703 * combine.c (can_combine_p): Don't combine with an asm whose
4704 output is a hard register.
4706 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
4708 * c-decl.c (start_struct): Ensure that structs with forward
4709 declarations are in fact packed when -fpack-struct is given.
4711 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
4712 we are packing a structure. This allows a structure with only
4713 bytes to be aligned on a byte boundary and have no padding on a
4716 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4718 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
4720 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
4722 * alpha.c (alpha_return_addr_rtx): New variable.
4723 (alpha_save_machine_status): New; save it.
4724 (alpha_restore_machine_status): New; restore it.
4725 (alpha_init_expanders): New; clear it.
4726 (alpha_return_addr): New; set it.
4727 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
4728 is overly conservative, so search the insns explicitly.
4729 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
4730 (alpha_sa_size [VMS && !VMS]): Likewise.
4731 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
4732 (INIT_EXPANDERS): New definition.
4734 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
4735 (output_prolog [!VMS]): Use them.
4737 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
4738 (alpha_does_function_need_gp): ... a new function. Refine the
4739 CALL_INSN test to just TYPE_JSR.
4740 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
4742 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
4744 * version.c: Bump for snapshot.
4746 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4748 * pa.c (move_operand): Respect -mdisable-indexing.
4749 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
4751 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
4753 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
4755 (umulsidi3,umulsi3_highpart): Ditto.
4756 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
4758 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
4760 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
4761 (alpha_handle_trap_shadows): ... a new function. Handle the entire
4762 function in one go. Emit RTL for trapb, instead of printf directly.
4763 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
4764 (trap_pending): Kill global variable.
4765 (output_epilog): Don't call final_prescan_insn.
4766 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
4767 * alpha.h (FINAL_PRESCAN_INSN): Remove.
4768 (MACHINE_DEPENENT_REORG): Define.
4769 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
4772 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
4774 Tune Haifa scheduler for Alpha:
4775 * alpha.h (ISSUE_RATE): Define.
4776 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
4777 EV4 adjustments to EV5.
4778 * alpha.md: Remove all scaling from function unit delays. Rework
4779 EV5 function units to match the CPU.
4780 (umuldi3_highpart): EV5 added the IMULH insn class.
4782 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
4784 * pa.c (following_call): Fail if the CALL_INSN is an indirect
4787 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
4789 * cplus-dem.c (demangle_signature): Don't look for return types on
4790 constructors. Handle member template constructors.
4792 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
4794 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
4795 * tree.h: Declare them.
4797 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
4799 * configure.in: Handle --with-newlib.
4800 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
4802 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
4804 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
4806 * config/ptx4.h: Fix typo.
4808 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
4810 * version.c: Bump for snapshot.
4812 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
4814 * aclocal.m4: Substitute INSTALL.
4815 * configure: Re-built.
4817 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
4819 * integrate.c (save_for_inline_copying): Avoid undefined pointer
4821 (expand_inline_function): Likewise.
4823 * dwarf2out.c (output_call_frame_info): Reinstate last change
4824 using flag_debug_asm check instead of flag_verbose_asm.
4826 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
4828 * dwarf2out.c (output_call_frame_info): Remove last change.
4830 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4832 * frame.c (__frame_state_for): Execute the FDE insns until the
4833 current pc value is strictly bigger than the target pc value.
4835 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
4837 * regclass.c (init_reg_modes): If we can't find a mode for the
4838 register, use the previous one.
4840 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
4842 * haifa-sched.c (print_block_visualization): Call fprintf directly,
4843 don't sprintf through an alloca'ed buffer.
4845 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
4847 * reload.c (decompose): Always initialize val.base.
4849 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
4851 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
4852 instead of aborting.
4853 * dwarf2out.c (output_call_frame_info): Call app_enable and
4854 app_disable to let GNU as accept the generated comments.
4856 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
4858 * tree.h (get_file_function_name): Add declaration.
4859 * dwarf2out.c (output_call_frame_info): No need to cast
4860 get_file_function_name call anymore.
4861 * profile.c (toplevel): Remove get_file_function_name
4863 * c-lang.c (finish_file): Ditto.
4865 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
4867 * Makefile.in (program_transform_name): Let autoconf substitute
4870 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
4872 * haifa-sched.c (schedule_block): If the first real insn in a
4873 block has any special notes attached to it, remove them.
4875 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
4877 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
4879 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
4881 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
4883 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
4885 * Makefile.in (check-g77): New test target.
4886 (CHECK-TARGETS): Add check-g77.
4888 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
4890 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
4892 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
4894 * flow.c (print_rtl_with_bb): Cast alloca return value for
4897 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
4899 * i386.h (RETURN_ADDR_RTX): New definition that works for
4900 __builtin_return_address(0) and -fomit-frame-pointer.
4902 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
4904 Bring over from FSF.
4905 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
4907 * mips.c (function_arg): Handle passing a struct
4908 containing a double in a DFmode register without the PARALLEL.
4910 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
4912 * pexecute.c: Use spawn if __CYGWIN32__.
4914 * pexecute.c: Include "config.h" first, as per autoconf manual
4915 (from Paul Eggert <eggert@twinsun.com>).
4917 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4919 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
4920 optimisation for f/expr.o and f/stb.o.
4922 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
4924 * cse.c (this_insn_cc0_mode): Initialize.
4926 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
4928 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
4930 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
4932 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
4934 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
4935 that pair will dual-issue on the 21164 and plus+beq won't.
4936 (bne): Likewise for cmpeq+beq.
4938 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
4940 * except.c (find_exception_handler_labels): Correct argument to free.
4942 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
4944 * except.c (find_exception_handler_labels): Free LABELS when we're
4947 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
4949 * version.c: Bump for snapshot.
4951 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
4953 * flow.c (find_basic_blocks): Mark calls as potentially jumping
4956 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
4958 * configure.in: Substitute for "install" too.
4959 * configure: Rebuilt.
4961 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
4963 * Makefile.in (bootstrap-lean, compare-lean): New targets.
4965 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
4967 * alias.c (base_alias_check): Two symbols can conflict if they
4968 are accessed via AND.
4969 (memrefs_conflict_p): Likewise.
4971 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
4972 after flushing argument registers to the stack.
4974 * Makefile.in (mostlyclean): Remove .regmove files.
4976 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4978 * libgcc2.c (__throw): Fix thinko.
4980 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
4982 * cplus-dem.c (demangle_template): Add new parameter. Handle new
4983 template-function mangling.
4984 (consume_count_with_underscores): New function.
4985 (demangle_signature): Handle new name-mangling scheme.
4987 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4989 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
4992 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
4994 * frame.c: Remove last change.
4995 * dwarf2.h: Remove last change.
4996 * tree.h: Add declarations of DWARF2 unwind info support
4999 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
5001 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
5002 * tree.h (built_in_function): Likewise.
5003 * expr.c (expand_builtin): Likewise.
5004 * except.h: Likewise.
5005 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
5006 * libgcc2.c (copy_reg): New fn.
5009 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
5011 * c-typeck.c (build_binary_op): Warn about comparing signed vs
5012 unsigned if -W is specified and -Wno-sign-compare is not.
5013 * c-decl.c (warn_sign_compare): Initialize to -1.
5014 (c_decode_option): -Wall no longer implies -Wsign-compare.
5016 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5018 * frame.c: Include gansidecl.h for PROTO.
5019 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
5020 defined. Don't declare dwarf2out_cfi_label here.
5021 * dwarf2.h: Add declarations of DWARF2 unwind info support
5023 * m68k.c: Include dwarf2.h.
5024 (output_function_prologue): Add dwarf2 support.
5025 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
5026 (INCOMING_FRAME_SP_OFFSET): Likewise.
5028 * integrate.c (expand_inline_function): Make sure there is at
5029 least one insn that can be used as an insertion point.
5031 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
5033 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
5035 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
5037 * version.c: Bump for snapshot.
5039 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
5041 Bring over from FSF.
5043 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
5045 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
5046 (get_pc_via_rdpc): Renamed from get_pc_sp64.
5047 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
5049 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
5051 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
5052 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
5054 (sparc_align_{loops,jumps,funcs}_string): Declare.
5055 (sparc_align_{loops,jumps,funcs}): Declare.
5056 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
5057 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
5058 (STACK_BIAS): Define.
5059 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
5061 (SPARC_SETHI_P): New macro.
5062 (CONST_OK_FOR_LETTER_P): Use it.
5063 (ASM_OUTPUT_ALIGN_CODE): Define.
5064 (ASM_OUTPUT_LOOP_ALIGN): Define.
5065 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
5066 (sparc_align_{loops,jumps,funcs}): New globals.
5067 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
5069 (move_operand): Use SPARC_SETHI_P.
5070 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
5072 (arith11_double_operand): Likewise.
5073 (arith10_double_operand): Likewise.
5074 (finalize_pic): Finish sparc64 support.
5075 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
5076 64 bit constants if able.
5077 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
5078 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
5080 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
5081 (get_pc_sp32): Use for sparc64 as well.
5082 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
5083 (sethi_di_sp64_const): Likewise.
5084 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
5085 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
5086 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
5088 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
5090 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
5091 * sparc/linux.h (COMMENT_BEGIN): Likewise.
5092 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
5094 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
5096 Add sparc64 linux support.
5097 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
5098 to xm_file list on 32-bit sparc-linux.
5099 * sparc/xm-sp64.h: New file.
5100 * sparc/linux64.h: New file.
5101 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
5102 Don't include xm-sparc.h.
5103 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
5104 * glimits.h (LONG_MAX): Handle sparc64.
5106 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
5108 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
5109 * sparc.h (ASM_COMMENT_START): Define.
5110 * sparc.c (output_function_prologue): Use it.
5111 (sparc_flat_output_function_{epi,pro}logue): Likewise.
5113 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
5115 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
5116 use sparc.h's copies.
5117 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
5120 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5122 * sparc.c (dwarf2out_cfi_label): Add declaration.
5123 (save_regs, output_function_prologue): Remove cast for it.
5124 (sparc_flat_{save_restore,output_function_prologue): Likewise.
5125 ({save,restore}_regs): No longer inline.
5127 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5129 * fold-const.c (make_range): Correctly handle cases of converting
5130 from unsigned to signed type.
5132 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5134 * fold-const.c (merge_ranges): Make sure that if one range is subset
5135 of another, it will always be the second range. Correct (+,-) case to
5138 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
5140 * final.c (final_end_function): Also do dwarf2 thing if
5141 DWARF2_DEBUGGING_INFO.
5142 (final_start_function): Likewise.
5144 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
5146 * expmed.c (expand_divmod): If compute_mode is not the same as
5147 mode, handle the case where convert_modes() causes op1 to no
5148 longer be a CONST_INT.
5150 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
5151 note holding get_jump_flags() calculation to all JUMP_INSNs.
5152 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
5153 * rtl.c (reg_note_name): Add new note types.
5155 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
5157 * rtlanal.c (computed_jump_p): Fix typo in last change.
5159 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5161 * loop.c (indirect_jump_in_function_p): Return 0
5164 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
5166 * rs6000/xm-rs6000.h: Fix thinko in last change.
5167 * rs6000/xm-sysv4.h: Likewise.
5169 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
5171 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
5173 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
5175 * reg-stack.c (find_blocks): Fix thinko in last change.
5177 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5179 * m68k.c (output_function_prologue): Add dwarf2 support.
5181 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
5182 INCOMING_FRAME_SP_OFFSET): New definitions.
5184 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
5186 * combine.c (try_combine): Use NULL_RTX instead of '0' where
5187 appropriate in calls to gen_rtx().
5188 * cse.c (cse_main): Likewise.
5189 * emit-rtl.c (gen_label_rtx): Likewise.
5190 * expr.c (init_expr_once): Likewise.
5191 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
5192 sched_analyze, init_rgn_data_dependences,
5193 compute_block_backward_dependences): Likewise.
5194 * sched.c (schedule_insns): Likewise.
5195 * varasm.c (immed_double_const): Likewise.
5197 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
5198 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
5200 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
5202 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
5203 (MULTILIB_DEFAULTS): Define.
5204 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
5205 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
5206 (LIBGCC_SPEC): Likewise.
5207 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
5208 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
5209 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
5210 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
5211 (EXTRA_PARTS, TAROUTOPTS): Delete.
5212 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
5213 (MULTILIB_OPTIONS): Define.
5214 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
5215 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
5217 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
5219 * version.c: Bump for snapshot.
5221 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
5223 * loop.c (loop_number): Delete function. Change all references
5224 to use uid_loop_num array.
5225 * loop.h (loop_number): Delete declaration.
5226 * unroll.c (unroll_loop): Change "loop_number" references to
5227 use uid_loop_num instead.
5229 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
5231 (loop_unroll_iter): Remove unused variable and all references.
5232 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
5233 (insert_bct): Fix minor formatting problems.
5234 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
5235 (loop_unroll_iter): Removed unused decl.
5236 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
5237 Always record the unrolling factor.
5239 * cse.c (simplify_relational_operation): Set h0u just like h0s.
5240 Similarly for h1u and h1s.
5242 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
5243 (find_basic_blocks): Use computed_jump_p to determine if a
5244 particular JUMP_INSN is a computed jump.
5245 * reg-stack.c (find_blocks): Use computed_jump_p to determine
5246 if a particular JUMP_INSN is a computed jump.
5247 * rtlanal.c (jmp_uses_reg_or_mem): New function.
5248 (computed_jump_p): Likewise.
5249 * rtl.h (computed_jump_p): Declare.
5250 * genattrtab.c (pc_rtx): Define and initialize.
5251 * loop.c (loop_optimize): Always determine if the current
5252 function has a computed jump.
5253 (indirect_jump_in_function_p): Use computed_jump_p to determine
5254 if a particular JUMP_INSN is a computed jump.
5256 * loop.c (fix_bct_param): Delete unused function.
5257 (check_bct_param): Likewise.
5259 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
5261 * frame.c (__deregister_frame): Check properly for initialized object.
5263 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5265 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
5267 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5269 * jump.c (thread_jumps): check can_reverse_comparison_p before
5270 threading a reversed-condition jump.
5272 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
5273 * haifa-sched.c (update_flow_info): Likewise.
5275 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
5277 * Makefile.in (BOOT_CFLAGS): Use -O2.
5279 * configure.in (strtoul, bsearch): Have autoconf check for these
5281 * configure, config.in: Rebuilt.
5283 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
5284 * mips/mips.h (alloca): Likewise.
5285 * rs6000/xm-rs6000.h (alloca): Likewise.
5286 * rs6000/xm-sysv4.h: Likewise.
5288 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
5290 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
5291 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
5292 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
5294 * except.c (end_eh_unwinder): Subtract 1 from return address.
5295 * libgcc2.c (__throw): Likewise.
5296 (find_exception_handler): Don't change PC here. Compare end with >.
5298 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
5300 * v850.c (compute_register_save_size): Correct register
5302 * v850.md (save_interrupt, return_interrupt): Correct
5304 * v850/lib1funcs.asm (save_interrupt): Correct register number.
5305 (return_interrupt): Use stack pointer, not element pointer.
5307 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
5309 * configure.in, configure: Make sure to create the stage* and include
5310 symbolic links in each subdirectory.
5312 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
5314 * pa.md (reload_peepholes): Don't allow addresses with side
5315 effects for the memory operand.
5317 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
5319 * libgcc2.c (find_exception_handler): Subtract one from our PC when
5320 looking for a handler, to avoid hitting the beginning of the next
5323 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
5325 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
5327 * mips/abi64.h (LONG_MAX_SPEC): Define.
5328 * mips.h (LONG_MAX_SPEC): Define.
5329 (CPP_SPEC): Include long_max_spec.
5330 (EXTRA_SPECS): Include long_max_spec.
5332 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
5334 * v850.c (construct_save_jarl): Fix thinko in last change.
5336 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
5338 * version.c: Bump for snapshot.
5340 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
5342 * libgcc2.c (find_exception_handler): Not found is -1.
5344 * integrate.c (expand_inline_function): Move expand_start_bindings
5345 after expanding the arguments.
5347 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
5349 * expr.c (expand_expr): Remove previous incorrect change.
5350 If target and slot has no DECL_RTL, then call mark_addressable
5351 again for the slot after we give it RTL.
5353 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
5355 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
5356 again for the slot after we give it RTL.
5358 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
5360 * v850.c (register_is_ok_for_epilogue,
5361 pattern_is_ok_for_epilogue, construct_restore_jr,
5362 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
5364 * v850.h (pattern_is_ok_for_prologue,
5365 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
5368 * v850.md: Replace prologue and epilogue patterns with a
5369 match_parallel pattern.
5371 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
5373 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
5374 * configure.in: Use EGCS_PROG_INSTALL.
5376 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
5378 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
5379 extern inline function.
5381 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
5383 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
5384 (concat_loc_descriptor): New function.
5385 (loc_descriptor): Call it.
5386 (add_AT_location_description): Also elide the descriptor if both
5387 halves of a CONCAT are pseudos.
5388 (add_location_or_const_value_attribute): Recognize CONCAT too.
5390 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
5392 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
5394 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
5395 out-or-range reg_offset.
5396 (output_epilog): Likewise.
5398 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
5400 * cse.c (simplify_relational_operation): If MODE specifies a
5401 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
5402 is derived from the sign bit of the low word.
5404 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
5406 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
5408 * dwarf2.h: Add DW_CFA_GNU_args_size.
5409 * frame.c (execute_cfa_insn): Likewise.
5410 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
5411 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
5412 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
5413 insn, hand it off to dwarf2out_stack_adjust.
5414 (dwarf2out_begin_prologue): Initialize args_size.
5415 * frame.h (struct frame_state): Add args_size.
5416 * libgcc2.c (__throw): Use args_size.
5417 * final.c (final_scan_insn): If we push args, hand off all insns
5418 to dwarf2out_frame_debug.
5419 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
5421 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
5422 Handle epilogue restore of SP from FP.
5423 * emit-rtl.c (gen_sequence): Still generate a sequence if the
5424 lone insn has RTX_FRAME_RELATED_P set.
5426 * frame.c (extract_cie_info): Handle "e" augmentation.
5427 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
5428 absence of UNALIGNED_*_ASM_OP.
5429 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
5430 (output_call_frame_info): Use "e" instead of "z" for augmentation.
5431 Don't emit augmentation fields length.
5432 (dwarf2out_do_frame): Move outside of #ifdefs.
5433 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
5436 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
5437 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
5438 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
5439 * sparc/sun4gas.h: New file.
5440 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
5442 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
5443 __register_frame_table and __deregister_frame.
5445 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
5447 * except.c (find_exception_handler_labels): Use xmalloc instead of
5448 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
5451 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
5453 * Makefile.in: Various changes to build info files
5454 in the object tree rather than the source tree.
5456 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
5458 * fixinc.math: New file to fix math.h on some systems.
5459 * configure.in (freebsd, netbsd): Use fixinc.math on these
5461 * configure: Rebuilt.
5463 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
5465 * regmove.c (regmove_optimize): If we end up moving the
5466 original insn due to lifetime overlaps, make sure to move
5469 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
5471 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
5473 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
5475 * haifa-sched.c (add_branch_dependences): Make each insn in
5476 a SCHED_GROUP_P block explicitly depend on the previous insn.
5478 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
5480 * except.h: Prototype dwarf2 hooks.
5483 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
5485 * configure.in (native_prefix): Delete.
5486 (mips-dec-netbsd): Don't set prefix.
5487 (*linux*): Don't set prefix.
5489 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
5491 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
5492 defined. If not defined, include <sys/varargs.h> if
5493 HAVE_SYS_VARARGS_H is defined.
5494 * configure.in: Test for varargs.h and sys/varargs.h.
5495 * configure: Regenerate with autoconf.
5496 * config.in: Regenerate with autoheader.
5498 * cpplib.c (quote_string): Cast first arg of sprintf call
5499 from "unsigned char *" to "char *".
5500 (output_line_command): Ditto.
5501 (macroexpand): Ditto.
5502 (do_line): Cast atoi arg from "unsigned char *" to "char *".
5504 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
5506 * version.c: Bump for snapshot.
5508 * Makefile.in (compare): Exit with nonzero status if there
5509 are comparison failures. Note which files failed the
5510 comparison test in .bad_compare.
5512 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5514 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
5516 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
5518 * Makefile.in (LN, LN_S): New macros, use where appropriate.
5519 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
5520 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
5521 * configure: Regenerated.
5523 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
5525 * loop.c (strength_reduce): Fix typo.
5527 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
5529 * m88k/m88k.c (struct option): Rename to struct options.
5530 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
5531 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
5532 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
5533 __DOLPHIN__ or sysV88.
5535 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
5537 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
5540 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
5542 * config.sub: Accept 'amigados' for backward compatability.
5544 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5546 * Makefile.in (testsuite/site.exp): New target.
5547 (check-gcc, check-g++): Depend on testsuite/site.exp.
5548 Don't stop for failure.
5550 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
5552 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
5553 if DWARF2_UNWIND_INFO.
5555 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
5557 Add support for exception handling using DWARF 2 frame unwind info.
5558 Currently works on SPARC and MIPS, and almost on x86.
5560 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
5561 next_stack_level, in_reg_window): Helper fns.
5562 (__throw): Implement for DWARF2_UNWIND_INFO.
5564 * expr.c (expand_builtin): Handle builtins used by __throw.
5565 * tree.h (enum built_in_function): Add builtins used by __throw.
5566 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
5567 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
5568 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
5569 (expand_builtin_extract_return_addr): Likewise.
5570 (expand_builtin_frob_return_addr): Likewise.
5571 (expand_builtin_set_return_addr_reg): Likewise.
5572 (expand_builtin_eh_stub): Likewise.
5573 (expand_builtin_set_eh_regs): Likewise.
5574 (eh_regs): Choose two call-clobbered registers for passing back values.
5576 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
5577 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
5578 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
5579 (stmp-multilib): Likewise.
5580 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
5582 * except.c: #include "defaults.h".
5583 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
5584 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
5585 (register_exception_table_p): New fn.
5586 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
5587 (end_eh_unwinder): Likewise.
5589 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
5590 call __register_frame and __deregister_frame as needed.
5591 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
5592 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
5593 EH_FRAME_SECTION_ASM_OP.
5594 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
5595 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
5596 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
5598 * dwarf2out.c (output_call_frame_info): If no support for
5599 EXCEPTION_SECTION, mark the start of the frame info with a
5601 * collect2.c (frame_tables): New list.
5602 (is_ctor_dtor): Recognise frame entries.
5603 (scan_prog_file): Likewise.
5604 (main): Pass -fno-exceptions to sub-compile. Also do collection
5605 if there are any frame entries.
5606 (write_c_file_stat): Call __register_frame_table and
5607 __deregister_frame as needed.
5608 (write_c_file_glob): Likewise.
5610 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
5611 Also require unaligned reloc support.
5612 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5613 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
5614 * sparc/sysv4.h: Not here.
5616 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
5617 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
5618 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
5620 * libgcc2.c (L_eh): Reorganize, moving code shared by different
5621 EH implementations to the top.
5622 (find_exception_handler): Split out. Start from 0. Compare against
5624 (__find_first_exception_table_match): Use it.
5625 * except.c (output_exception_table): Don't do anything if there's
5626 no table. Don't output a first entry of zeroes.
5627 (eh_outer_context): Adjust properly.
5628 (add_eh_table_entry): Use xrealloc.
5629 * toplev.c (compile_file): Just call output_exception_table.
5631 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
5633 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
5635 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
5637 * except.c (eh_outer_context): Do masking using expand_and.
5639 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
5641 Add port done awhile ago for the ARC cpu.
5642 * arc/arc.h: New file.
5643 * arc/arc.c: New file.
5644 * arc/arc.md: New file.
5645 * arc/initfini.c: New file.
5646 * arc/lib1funcs.asm: New file.
5647 * arc/t-arc: New file.
5648 * arc/xm-arc.h: New file.
5649 * ginclude/va-arc.h: New file.
5650 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
5651 * ginclude/varargs.h: Likewise.
5652 * Makefile.in (USER_H): Add va-arc.h.
5653 * configure.in (arc-*-elf*): Recognize.
5654 * longlong.h: Add ARC support.
5656 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
5658 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
5659 when clearing non-BLKmode data.
5661 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
5663 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
5664 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
5666 * xm-m88k.h (USG): Only define if it hasn't already been defined.
5668 * Makefile.in (risky-stage1): Delete gratutious whitespace.
5670 * Makefile.in (clean): Delete libgcc1-test.
5672 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
5674 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
5676 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
5679 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5681 * dwarf2out.c (output_call_frame_info): Call named_section.
5683 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
5685 * haifa-sched.c (print_value): Fix last change.
5687 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
5689 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
5692 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
5694 * mips.c (function_prologue): Set up the CFA when ABI_32.
5696 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
5697 for dwarf2 unwind info.
5698 (output_function_prologue, sparc_flat_output_function_prologue): Same.
5700 * final.c (final_end_function): Check dwarf2out_do_frame instead
5701 of DWARF2_DEBUG for dwarf2 unwind info.
5702 (final_scan_insn): Likewise.
5703 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
5706 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
5709 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
5711 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
5713 * v850.h (ASM_SPEC): Pass on target processor.
5714 (CPP_PREDEFINES): Only define if not already specified.
5715 (TARGET_VERSION): Only define if not already specified.
5716 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
5718 (EXTRA_SWITCHES): Extra entries in the switches array.
5719 (TARGET_DEFAULT): Set default target processor.
5721 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
5723 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
5724 cases, add %# and %/, and add : to make them into extended asms.
5726 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
5728 * alias.c (init_alias_analysis): Clean up incompatible pointer
5729 type warning in bzero.
5730 * regmove.c (regmove_optimize): Ditto.
5731 * haifa-sched.c (find_rgns): Ditto.
5733 * haifa-sched.c (print_value): Clean up ptr->int cast
5736 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
5738 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
5739 * install.texi (Configurations): Ditto.
5740 * config.sub: Ditto.
5742 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
5744 * Makefile.in (sdbout.o): Depend on insn-config.h.
5746 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
5748 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
5749 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
5751 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
5753 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
5754 prologue insn, only the first elt is significant.
5755 (output_call_frame_info): For exception handling, always use 4-byte
5756 fields as specified by the dwarf2 spec.
5757 Don't skip trivial FDEs.
5759 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
5761 * version.c: Bump for snapshot.
5763 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
5765 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
5766 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
5769 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
5771 * final.c (shorten_branches): During first pass, assume worst
5772 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
5774 * Makefile.in (distclean): Remove various things left around
5775 by running the testsuite.
5777 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
5779 * configure.in (out_file): Emit definition to config.status in order
5780 to have a defined value for configure.lang.
5781 * configure: Re-built.
5783 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
5785 * configure.in: Make symlink to as-new rather than as.new. Similarly
5787 * configure: Rebuilt.
5789 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
5791 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
5793 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
5795 * sparc/sparc.md: Add ultrasparc scheduling support.
5796 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
5798 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
5800 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
5801 as initial value for real_label_map.
5802 (copy_for_inline): Likewise.
5804 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5806 * sched.c (update_flow_info) When looking if to set found_split_dest
5807 or found_orig_dest, look at all parts of a PARALLEL.
5808 * haifa-sched.c (update_flow_info): Likewise.
5810 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
5812 * v850: New directory for v850 port.
5813 * v850/lib1funcs.asm: New file.
5814 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
5815 * ginclude/va-v850.h: New file.
5816 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
5817 * configure.in (mn10200-*-*): New target.
5818 * configure: Rebuilt.
5819 * config.sub: Handle v850-elf.
5820 * Makefile.in (USER_H): Add va-mn10200.h.
5821 * invoke.texi: Document v850 stuff.
5823 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
5825 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
5826 has integer TYPE_{MAX,MIN}_VALUE before using them.
5828 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
5829 __HPUX_ASM__ versions.
5831 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
5833 * install.sh: Delete duplicate install script.
5835 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
5837 * reg-stack.c (subst_stack_regs): Pop the stack register for a
5838 computed goto which sets the same stack register.
5840 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
5841 destination are both on the regstack.
5842 (subst_stack_regs_pat): Put the destination at the top of the regstack.
5844 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
5846 * mips.md (nonlocal_goto_receiver): Define.
5848 * profile.c (output_arc_profiler): Check next_insert_after for non
5849 NULL before deferencing it.
5851 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
5853 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
5855 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
5857 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
5859 * toplev.c (rest_of_compilation): For passes starting with
5860 flow_analysis, use print_rtl_with_bb instead of print_rtl.
5862 * print-rtl.c (print_rtl_single): Print a single rtl value to a
5865 * flow.c (print_rtl_with_bb): Print which insns start and end
5866 basic blocks. For the start of a basic block, also print the live
5869 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
5871 * toplev.c (main): Change #elif to #else/#ifdef
5873 * tlink.c: Include ctype.h.
5874 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
5876 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
5878 * bitmap.c: Conditionally include stdlib.h.
5879 (free): Provide a declaration if NEED_DECLARATION_FREE.
5881 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
5883 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
5885 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
5887 * profile.c (output_arc_profiler): Verify next_insert_after is an
5888 INSN before and after skipping a stack pop.
5890 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5892 * final.c (shorten_branches): Don't count the lengths of deleted
5895 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
5897 * version.c: Bump for snapshot.
5899 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
5901 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
5902 two bitmaps ANDed together.
5903 (bitmap_print): Declare.
5905 * bitmap.c (function_obstack): Don't declare any more.
5906 (bitmap_obstack): Obstack for allocating links from.
5907 (bitmap_obstack_init): New static to say whether to initialize
5909 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
5910 (bitmap_release_memory): Free all memory allocated from
5913 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
5914 EXECUTE_IF_AND_IN_BITMAP.
5916 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
5918 * alias.c (true_dependence): Address with AND can alias scalars.
5919 (anti_dependence, output_dependence): Likewise.
5921 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
5923 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
5925 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
5926 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
5927 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
5928 definitions. Use -qrtems instead of -mrtems.
5930 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
5932 * xm-sco5.h (sys_siglist): Define.
5933 (SYS_SIGLIST_DECLARED): Likewise.
5935 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
5937 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
5939 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
5941 * except.c (eh_outer_context): Expand masking operation using
5944 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
5946 * alpha.md (floatdisf2-1): New pattern.
5948 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
5950 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
5951 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
5952 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
5953 * gcc.texi: Note that if you define sys_siglist that you should
5954 also define SYS_SIGLIST_DECLARED.
5956 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
5957 are relative to the next instruction, not the current instruction.
5959 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
5961 * local-alloc.c (contains_replace_regs): New function.
5962 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
5963 verify that there is no existing REG_EQUIV note, and add a call to
5964 contains_place_regs.
5966 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5968 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
5969 (STARTFILE_SPEC): Always use crtbegin.o%s
5970 (ENDFILE_SPEC): Always use crtend.o%s.
5972 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
5974 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
5976 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
5977 SFmode for 64 bit hosts.
5979 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
5981 * fixincludes: Permits spaces between # and define. Discard C++
5982 comments in sys/pci.h on HP/UX 10.20.
5984 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
5986 * version.c: Bump for snapshot.
5988 * pa.c (restore_unscaled_index_insn_codes): New function.
5989 (record_unscaled_index_insn_codes): Likewise.
5990 (output_function_prologue): Call restore_unscaled_index_insn_codes.
5991 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
5992 (pa_reorg): Call record_unscaled_index_insn_codes.
5994 * haifa-sched.c (move_insn): Handle notes correctly for insns
5995 with SCHED_GROUP_P set.
5997 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5999 * alpha/xm-linux.h (USE_BFD): Undef before define.
6001 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
6003 * cse.c (cse_insn): Don't record BLKmode values.
6005 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
6007 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
6009 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
6011 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
6012 * collect2.c (sys_errlist): Likewise.
6013 * cpplib.c (sys_errlist): Likewise.
6014 * gcc.c (sys_errlist): Likewise.
6015 * protoize (sys_errlist): Likewise.
6016 * configure.in: Check for strerror.
6017 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
6018 * xm-gnu.h (HAVE_STRERROR): Likewise.
6019 * xm-linux.h (HAVE_STRERROR): Likewise.
6020 * xm-netbsd.h (HAVE_STRERROR): Likewise.
6021 * xm-bsd386.h (HAVE_STRERROR): Likewise.
6022 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
6023 * xm-dos.h (HAVE_STRERROR): Likewise.
6024 * xm-mingw32.h (HAVE_STRERROR): Likewise.
6025 * xm-pa.h (HAVE_STRERROR): Likewise.
6026 * xm-papro.h (HAVE_STRERROR): Likewise.
6027 * xm-sysv4.h (HAVE_STRERROR): Likewise.
6028 * configure, config.in: Rebuilt.
6030 * Makefile.in: Add several missing "else true" clauses.
6032 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
6033 * mips-tfile.c: Likewise.
6034 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
6035 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
6036 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
6037 * configure.in: Check for sys_siglist declaration.
6038 * configure, config.in: Rebuilt.
6040 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
6042 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
6043 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
6044 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
6045 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
6046 * rs6000/sysv4.h (extra_subtarget_switches): Added new
6047 macro EXTRA_SUBTARGET_SWITCHES.
6048 * configure.in (sh*-*-rtems*): New target.
6049 * sh/rtems.h: New file.
6050 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
6051 * configure: Rebuilt.
6053 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
6055 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
6057 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
6059 * rs6000.md: Make DF fused-add operations pay attention to
6062 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
6064 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
6066 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
6068 * pa.md (reload_peepholes): Make sure operand is a REG before
6069 examining REGNO. Allow general registers too.
6071 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
6073 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
6075 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
6077 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
6078 to reallocate abbrev_die_table.
6080 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
6082 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
6084 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6086 * Makefile.in (config.status): Depend on version.c
6088 * expr.h (insn_gen_function): Reenable prototype.
6090 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
6093 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
6095 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
6097 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
6099 * version.c: Bump for latest snapshot.
6101 * bc-optab.c: Conditionally include stdlib.h.
6102 (free): Provide a declaration if NEED_DECLARATION_FREE.
6103 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
6104 * rtl.h (free): Remove declaration.
6105 * tree.h (free): Remvoe declaration.
6107 * configure: Rebuilt.
6109 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
6111 * flags.h (flag_move_all_movables): Declare.
6112 (flag_reduce_all_givs): Likewise.
6113 * loop.c (move_movables): Handle flag_move_all_movables.
6114 (strength_reduce): Handle flag_reduce_all_givs.
6115 * toplev.c (flag_move_all_movables): Define.
6116 (flag_reduce_all_givs): Likewise.
6117 (f_options): Add -fmove-all-movables and -freduce-all-givs.
6118 * invoke.texi: Document new options, including alias stuff that
6119 wasn't included last time.
6121 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
6123 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
6126 * t-vxworks68: Ditto.
6127 * t-vxworks960: Ditto.
6130 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
6132 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
6133 if not already defined, and USE_C_ALLOCA not defined.
6135 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
6137 * config.guess: Replace with script that uses ../config.guess.
6139 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
6140 if USE_GNULIBC_1 is not defined.
6142 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
6144 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
6145 * config.guess: Recognize alpha-linux-gnulibc1.
6146 * configure.in (alpha-*-linux-gnulibc1): New target.
6147 (alpha-*-linux-gnu*): Don't build crtbegin/end.
6149 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
6151 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
6154 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
6156 * loop.c (combine_movables): Earlier insns don't match later ones.
6158 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6160 * config/linux.h (CC1_SPEC): Define it only if not defined.
6162 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
6165 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
6166 USE_GNULIBC_1 is not defined.
6168 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
6170 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
6171 as 1 if USE_GNULIBC_1 is not defined.
6173 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
6175 * reorg.c (dbr_schedule): Allow current_function_return_rtx
6176 to be something other than a REG.
6177 * function.c (expand_function_end): Fix current_function_return_rtx
6180 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
6181 * x-netbsd: Likewise
6182 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
6183 (INSTALL_HEADERS): Delete.
6184 * x-dguxbcs: Likewise.
6185 * x-hp3bsd44: Likewise
6188 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6190 * i386.md (pop): pop increments the stack pointer.
6191 (prologue_set_stack_ptr): New pattern.
6192 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
6195 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
6197 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
6198 address where an offsettable address is required.
6200 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
6202 * loop.c (check_final_value): Don't miss a biv increment in a
6205 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
6207 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
6208 TYPE_DECL_IS_STUB instead of DECL_NAME.
6210 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6212 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
6214 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
6216 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
6218 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
6220 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
6221 (find_post_sched_live): Likewise.
6223 * haifa-sched.c (schedule_block): Remove old code to get arguments
6224 from hard regs into pseudos early.
6226 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
6228 * version.c: Bump for new snapshot.
6230 * local-alloc.c (update_equiv_regs): All the target to reject
6231 promotion of some REG_EQUAL to REG_EQUIV notes.
6232 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
6234 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
6237 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
6238 store of the argument registers.
6240 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
6242 * fold-const.c (multiple_of_p): New function.
6243 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
6245 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
6247 * expr.h (insn_gen_function): Temporarily remove prototype.
6249 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
6251 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
6252 filenames. Use sed to extract base filename for install.
6254 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
6256 * unroll.c (find_splittable_givs): Only share if two givs have the
6257 same add and multiply values.
6259 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
6261 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
6262 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
6264 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
6266 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
6267 around branch tables.
6268 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
6269 and .end_brtab directives if TARGET_GAS.
6271 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
6273 * alias.c (true_dependence): Pass x_addr not x to varies.
6275 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
6276 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
6277 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
6279 * config.in, configure: Regenerate.
6281 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
6283 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
6285 (record_set): Handle LO_SUM like PLUS.
6286 (init_alias_analysis): When following chains of base addresses,
6287 do not stop on reaching a hard register.
6289 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
6291 * version.c: Bump for new snapshot.
6293 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
6295 * alpha.h (ARCH_ASM_FILE_START): Define.
6296 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
6297 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
6299 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
6301 * Makefile.in (install-common): Put gcov comment at start of line.
6303 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
6305 * alias.c (init_alias_analysis): When simplifying the reg_base_value
6306 array, simplify entries for hard registers too.
6308 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
6310 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
6313 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
6315 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
6316 block_stack before dereferencing it.
6318 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
6320 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
6322 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
6324 * cplus-dem.c: Add 'extern' to prepends_underscore.
6326 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
6328 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
6329 (get_issue_rate): Delete.
6330 * pa.h (ISSUE_RATE): Define.
6332 * configure.in: Turn on haifa by default for the PA.
6333 * configure: Rebuilt.
6334 * pa.c (override_options): Accept -mschedule=7200 option.
6335 (pa_adjust_cost): No longer need to scale costs for newer
6337 * pa.h (enum processor_type): Add PROCESSOR_7200.
6338 * pa.md: Revamp scheduling parameters to work better with
6339 haifa. Add scheduling parameters for the 7200.
6341 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
6343 (schedule_block): When adjusting basic_block_{head,end}, account
6344 for movement of SCHED_GROUP_P insns too.
6346 * haifa-sched.c (debug_dependencies): Fix thinko.
6348 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
6349 (site.exp, check, check-g++, check-gcc): New targets.
6351 * haifa-sched.c: Make lots of variables static.
6353 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6355 * expr.h, real.h: Finish prototyping.
6357 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
6359 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
6360 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
6361 * reload1.c: Undo bugfix from Aug 11.
6363 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
6365 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
6366 quotes around the name.
6367 * configure: Regenerate.
6369 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
6371 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
6373 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
6375 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
6376 to sub-makes to avoid building more passes than the user might have
6377 requested on the command line.
6379 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
6381 * configure.in: Expurgate `broken_install' (install is
6384 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
6387 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
6389 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
6390 functions and declarations.
6391 (analyze_loop_iterations): Use condjump_p.
6392 (insert_bct): Likewise. Use exact_log2.
6394 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
6396 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
6397 (schedule_region): Likewise.
6398 (schedule_insns): Likewise.
6400 * PROJECTS: Update with Haifa stuff.
6402 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
6404 * version.c: Change the version string to look like:
6405 egcs-2.90.00 970814 (gcc2-970802 experimental).
6407 * loop.c (is_conditional_branch): Make definition match declaration.
6409 * gcc.c: Take out experimental snapshot warning message.
6411 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
6413 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
6414 print out the names of the notes. Print out the name of the insn
6415 that is not a note, and not an {,CALL_,JUMP_}INSN.
6417 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6419 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
6420 again for the slot after we give it RTL.
6422 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
6424 * configure.in (haifa configury): Fix typo.
6425 * configure: Regenerate.
6427 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
6429 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
6431 * gcc.info*: Rebuilt.
6433 * COPYING.g77, README.g77: New files.
6434 * real.c (ereal_unto_float, ereal_unto_double): New functions.
6435 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
6436 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
6438 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
6440 * Integrate Haifa instruction scheduler.
6441 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
6442 to sched with $(SCHED_CFLAGS.
6443 * configure.in: Handle --enable-haifa.
6444 * configure: Rebuilt.
6445 * flags.h: Add new flags for haifa instruction scheduler.
6446 * genattrtab.c (expand_units): For haifa, don't subtract one
6447 when computing blockage.
6448 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
6449 (flag_schedule_speculative): Ditto.
6450 (flag_schedule_speculative_load): Ditto.
6451 (flag_schedule_speculative_load_dangerous): Ditto.
6452 (flag_schedule_reverse_before_reload): Ditto.
6453 (flag_schedule_reverse_after_reload): Ditto.
6454 (flag_branch_on_count_reg): Ditto.
6455 (f_options): Add Haifa switches.
6456 (main): Turn off some Haifa options if appropriate macro is
6457 defined. Process Haifa switches.
6458 * unroll.c (iteration_info): No longer static, since Haifa
6460 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
6461 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
6462 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
6463 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
6464 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
6465 storage for the Haifa scheduler.
6466 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
6468 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
6469 are defined, call analyze_loop_iterations and insert_bct to use
6471 (record_giv): Refine test for jumps out of loops if HAIFA is
6473 (analyze_loop_iterations): New function to identify if we can use
6475 (insert_bct): Insert countdown loop.
6476 (instrument_loop_bct): Low level code to insert countdown loop.
6477 (loop_number): Calculate UID of loop.
6478 (indirect_jump_in_function_p): Return true if an indirect jump is
6480 (is_power_of_2): Return true if value is a power of 2.
6481 (is_conditional_branch): Return true if insn is a conditional
6483 (fix_bct_param): Process -fbct-{min,max}-N switches.
6484 (check_bct_param): Return true if loop should be instrumented.
6485 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
6486 (loop_optimize): Initialize.
6487 (get_condition_for_loop): Ditto.
6488 * loop.c (strength_reduce): Inside of code that uses #ifdef
6489 HAVE_decrement_and_branch_on_count code, test it to make sure the
6491 (instrument_loop_bct): Ditto.
6492 * haifa-sched.c: New file.
6495 * Integrate regmove pass.
6496 * Makefile.in (OBJS): Add regmove.o
6497 (regmove.o): Add dependencies.
6498 * flow.c (find_use_as_address): No longer static.
6499 * rtl.h (find_use_as_address): Declare.
6500 * toplev.c (regmove_dump, flag_regmove): Define.
6501 (f_options): Add -fregmove.
6502 (regmove_dump_file, regmove_time): Define.
6503 (fatal_insn): Close the regmove dump file.
6504 (compile_file): Initialize regmove_time; open/close the regmove dump
6505 file as needed. Print regmove time as needed.
6506 (rest_of_compilation): Run regmove pass if requested, dump
6507 RTL after regmove if requested.
6508 (main): If -O2 or more, turn on regmove. Handle dump switches.
6509 * regmove.c: New file.
6511 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
6513 * Integrate tlink patch from jason@cygnus.com
6514 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
6515 (process_command): Increment n_switches for them. Don't discard
6516 their args. Validate them.
6517 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
6519 (process_command): Set include_prefixes from COMPILER_PATH.
6520 (main): Set COLLECT_GCC_OPTIONS sooner.
6521 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
6522 * tlink.c, hash.c, hash.h: New files.
6523 * Makefile.in (USE_COLLECT2): Always use collect2.
6524 (collect2): Depend on and link in hash.o and tlink.o.
6525 (tlink.o, hash.o): Add dependencies.
6527 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
6529 * Integrate alias analysis changes from jfc@mit.edu
6530 * Makefile.in (OBJS): Add alias.o
6531 (alias.o): Add dependencies.
6532 * alias.c: New file.
6533 * sched.c: Remove alias analysis code. It lives in alias.c now.
6534 (sched_analyze_2): Add new arguments to true_dependence.
6535 (schedule_insns): Always call init_alias_analysis.
6536 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
6537 mark return value from such functions as a pointer and keep track of
6538 them for alias analysis. If a return value from a function is a
6539 pointer, mark it as such.
6540 * combine.c (distribute_notes): Handle REG_NOALIAS.
6541 * cse.c (struct write_data): Delete. No longer needed.
6542 (invalidate): Don't call set_nonvarying_address_components anymore.
6543 Use true_dependence to decide if an entry should be removed from
6545 (invalidate_memory): Remove WRITES argument, simplify appropriately.
6547 (note_mem_written): Similarly for WRITE_PTR argument.
6548 (invalidate_from_clobbers): Similarly for W argument.
6549 (invalidate_for_call): Remove memory elements from the hash table.
6550 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
6551 (cse_rtx_varies_p): New function. Derived from old
6552 cse_rtx_addr_varies_p.
6553 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
6554 Don't call note_mem_written anymore. Stack pushes invalidate the stack
6555 pointer if PUSH_ROUNDING is defined. No longer need to call
6556 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
6557 (skipped_writes_memory): Remove variable.
6558 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
6559 (invalidate_skipped_block): Simplify for new alias analysis code.
6560 (cse_set_around_loop): Likewise.
6561 (cse_main): Call init_alias_analysis.
6562 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
6563 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
6564 (f_options): Add new alias checking arguments.
6565 (main): Set flag_alias_check when optimizing.
6566 * local_alloc (validate_equiv_mem_from_store): Add new arguments
6568 (memref_referenced_p): Likewise.
6569 * loop.c (NUM_STORES): Increase to 30.
6570 (prescan_loop): Only non-constant calls set unknown_address_altered.
6571 (invariant_p): Add new arguments to true_dependence.
6572 (record_giv): Initialize unrolled and shared fields.
6573 (emit_iv_add_mult): Call record_base_value as needed.
6574 * loop.h (struct induction): Add unrolled and shared fields.
6575 * unroll.c (unroll_loop): Call record_base_value as needed.
6576 (copy_loop_body): Likewise.
6577 (final_biv_value): Likewise.
6578 (final_giv_value): Likewise.
6579 (find_splittable_regs): Likewise. Only create one new pseudo
6580 if we have multiple address GIVs that were combined with the same
6581 dst_reg GIV. Note when a new register is created due to unrolling.
6582 * rtl.c (reg_note_name): Add REG_NOALIAS.
6583 * rtl.h (enum reg_note): Similarly.
6584 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
6585 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
6586 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
6587 (true_dependence, read_dependence, anti_dependence): Likewise.
6588 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
6589 (mark_user_reg, mark_reg_pointer): Likewise.
6592 * Integrate reload bugfix from Wilon which enables the PA port
6594 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
6595 OPERAND_ADDRESS when computing how many registers an insn needs.
6596 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
6598 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
6600 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
6601 in reload_reg_use_in_op_addr do not reach the end.
6602 do not reach the end.
6603 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
6604 RELOAD_FOR_OPERAND_ADDRESS.
6606 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
6608 * egcs project officially starts.