1 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
4 check for 'M' constraint.
6 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
8 * cccp.c (create_definition): If pedantic, call pedwarn for macro
11 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
13 * i386.c (ix86_logical_operator): New function.
14 (split_di): Ensure that when a MEM is split, the resulting MEMs have
16 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
19 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20 Richard Earnshaw <rearnsha@arm.com>
21 Nick Clifton <nickc@cygnus.com>
23 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
25 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
27 * cse.c (rtx_cost): Provide a default case in an enumeration
28 switch, and call DEFAULT_RTX_COSTS if it's defined.
30 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
32 * basic-block.h (compute_preds_succs): Change return type in
34 * flow.c (compute_preds_succs): Likewise in function definition.
36 * regmove.c (find_matches): Cast char used as array index to unsigned char
39 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
41 * i386.h (RTX_COSTS): Insert braces around nested if.
42 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
45 * gcc.c (default_compilers): Properly put brackets around array elements in
48 * getopt.c (_getopt_internal): Add explicit braces around nested if;
51 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
52 (record_reg_life_pat): Add explicit parens around && and || in expression.
53 (stack_reg_life_analysis): Add parens around assignment used as expression.
54 (convert_regs): Likewise.
56 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
58 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
59 change callers accordingly.
61 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
62 and definition; change all callers accordingly.
64 * except.c (init_eh): Avoid assignment of unused return value of
65 build_pointer_type; cast it to void, instead, and remove unused
68 * gcc.c (lang_specific_driver): Define prototype only #ifdef
70 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
72 * genoutput.c (output_epilogue): Initialize next_name to 0.
74 * real.c (efrexp): #if 0 prototype and function definition.
82 * reload.c (push_secondary_reload): Define prototype only
83 #ifdef HAVE_SECONDARY_RELOADS.
85 * varasm.c (assemble_static_space): Define rounded only
86 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
88 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
90 * i386.md (andsi): Add default case in enumeration switch.
95 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
97 * c-decl (finish_struct): Change type of min_align to unsigned.
99 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
100 remove unused variable len.
102 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
103 comment indicating this is proper behaviour.
104 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
106 (based_loc_descr): Likewise.
108 * enquire.c (bitpattern): Change type of variable i to unsigned.
110 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
112 * flow.c (life_analysis): Change type of variable i to size_t;
113 remove unused variable insn.
115 * gcc.c (translate_options): Change type of variables optlen, arglen and
117 (input_filename_length): Change type to size_t.
118 (do_spec_1): Change type of variable bufsize to size_t.
119 (main): Change type of variables i and j to size_t;
120 remove subblock local definition of variable i.
121 (lookup_compiler): Change type of second argument to size_t;
122 change type of variable i to size_t.
124 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
126 * genopinit.c (get_insn): Change type of variable pindex to size_t.
128 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
130 * global.c (global_alloc): Change type of variable i to size_t.
132 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
134 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
135 (expand_end_case): Change type of variable count to size_t.
137 * toplev.c (main): Change type of variable j to size_t.
138 (set_target_switch): Change type of variable j to size_t.
139 (print_switch_values): Change type of variable j to size_t;
140 remove unused variable flags.
142 * varasm.c (assemble_variable): Change type of variable align to size_t.
143 (const_hash_rtx): Change type of variable i to size_t.
145 1998-03-11 Mark Mitchell <mmitchell@usa.net>
147 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
148 TREE_VEC if that's what it really is.
150 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
152 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
155 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
157 * gthr.h: Changed the comment about return values.
158 * gthr-solaris.h (__gthread_once): Do not use errno; return the
159 error number instead of -1.
160 (__gthread_key_create): Any non-zero return value is an error.
161 * libgcc2.c (eh_context_initialize): Check for non-zero return
162 value from __gthread_once.
163 Check that the value of get_eh_context was really changed.
165 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
167 * sh.h (LOOP_ALIGN): Only align when optimizing.
168 * sh.c (find_barrier): Clear inc for CODE_LABELs.
169 When not optimizing, calculate alignment for BARRIERs directly.
171 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
173 * final.c (shorten_branches): Remove conditionalizing on
174 SHORTEN_WITH_ADJUST_INSN_LENGTH
175 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
177 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
179 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
180 an unconditional jump around deleted blocks.
182 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
184 * profile.c (branch_prob): If see computed goto, call fatal instead of
187 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
189 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
190 Patch from Bruno Haible.
192 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
193 (assign_parms): Set aggregate if hide_last_arg and last_named.
195 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
197 * final.c (shorten_branches): Initialize insn_addresses.
199 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
201 * sh.h (MUST_PASS_IN_STACK): Define.
203 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
205 * final.c (shorten_branches): Fix minor logic error in
206 ADDR_DIFF_VEC shortening support.
208 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
210 * version.c: Bump for snapshot.
212 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
214 * haifa-sched.c (is_cfg_nonregular): Change return type to
215 an int. No longer compute "estimated" number of edges. Use
216 computed_jump_p instead of duplicating the code. Fixup/add
218 (build_control_flow): Returns a value indicating an irregularity
219 in the cfg was detected. Count the number of edges in the cfg.
220 allocate various edge tables.
221 (find_rgns): No longer look for unreachable blocks.
222 (schedule_insns): Do not allocate memory for edge tables here.
223 Free memory for edge tables before returning. Do not perform
224 cross block scheduling if build_control_flow returns nonzero.
225 * flow.c (compute_preds_succs): More accurately determine when
228 * basic-block.h (free_basic_block_vargs): Provide prototype.
230 * cccp.c (main): Fix dumb mistakes in last change.
232 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
234 * rtl.h (addr_diff_vec_flags): New typedef.
235 (union rtunion_def): New member rt_addr_diff_vec_flags.
236 (ADDR_DIFF_VEC_FLAGS): New macro.
238 * sh.c (output_branch): Fix offset overflow problems.
240 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
241 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
242 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
243 * stmt.c (expand_end_case): Supply new arguments to
244 gen_rtx_ADDR_DIFF_VEC.
245 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
246 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
247 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
248 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
249 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
250 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
251 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
252 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
253 * i386/freebsd.h, i386/linux.h : Likewise.
254 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
255 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
256 * m68k/mot3300.h, m68k/sgs.h : Likewise.
257 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
258 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
259 (CASE_VECTOR_SHORTEN_MODE): Define.
260 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
261 (med_branch_p, braf_branch_p): Don't declare.
262 (mdep_reorg_phase, barrier_align): Declare.
263 (ADJUST_INSN_LENGTH): Remove alignment handling.
264 * sh.c (uid_align, uid_align_max): Deleted.
265 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
266 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
267 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
268 (output_far_jump): Don't use braf_branch_p.
269 (output_branchy_insn): Don't use branch_offset.
270 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
271 Remove paired barrier stuff.
272 Don't use cache_align_p.
273 Take alignment insns into account.
274 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
276 (barrier_align, branch_dest): New function.
277 (machine_dependent_reorg, split_branches): Remove infrastructure
278 for branch shortening that is now provided in the backend.
279 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
280 (braf_branch_p, braf_cbranch_p): Likewise.
281 (attribute length): Use new attributes.
282 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
283 (addr_diff_vec_adjust): Delete.
284 (align_2): Now a define_expand.
285 (align_log): Now length 0.
287 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
289 * m32r.md (right): Correctly check for length == 2, not 1.
291 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
293 * mips/mips.h: Prototype `machine_dependent_reorg'.
294 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
296 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
298 * final.c (shorten_branches): Restore accidentally removed code.
300 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
302 * configure.in: Remove duplicate uses of AC_PROG_CC and
305 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
307 * configure.in (target_cpu_default2): Correct typo for alphapca56.
309 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
310 Doug Evans (devans@cygnus.com)
312 * haifa-sched.c (build_jmp_edges): Delete dead function.
313 (build_control_flow): Use cfg routines from flow.c
314 (schedule_insns): Remove debugging code accidentally checked
317 * basic-block.h: Add external integer list structures, typdefs,
318 accessor macros and function declarations. Simlarly for
319 basic block pred/succ support and simple bitmap stuff.
320 * flow.c: Add functions for integer list, basic block pred/succ
321 support and simple bitmap support.
322 (compute_dominators): New function to compute dominators and
324 (find_basic_blocks): Split into two functions.
325 (life_analysis): Likewise.
326 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
327 the life_analysis from toplev.c
328 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
329 life_analysis instead of flow_analysis.
331 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
333 * jump.c (jump_optimize): Call mark_jump_label also for deleted
335 (mark_jump_label): Don't increment ref counts for deleted insns.
337 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
339 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
341 * mips/mips.c: Include stdlib.h and unistd.h.
342 (mips_asm_file_end): Add braces around empty body in an if-statement.
343 (function_prologue): Wrap variable `fnname' in
344 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
345 (mips_select_rtx_section, mips_select_section): Declare as void.
347 * mips/mips.h: Add prototypes for extern functions in mips.c.
348 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
349 (ENCODE_SECTION_INFO): Add braces around empty body in an
352 * mips/mips.md (movdi): Add parentheses around && within ||.
353 (movsf, movdf): Likewise.
354 (branch_zero, branch_zero_di): Add default case in
358 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
360 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
361 real constants, since they can't be changed.
362 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
363 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
364 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
365 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
366 * alpha/vms.h (TARGET_OPEN_VMS): New.
367 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
369 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
371 * reload.c (find_reloads): Always force (subreg (mem)) to be
372 reloaded if WORD_REGISTER_OPERATIONS.
374 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
376 * haifa-sched.c (free_list): Rename from free_pnd_lst.
377 (free_pending_lists): Rename free_pnd_lst uses.
378 (remove_dependence): Place expunged element on unused_insn_list.
379 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
380 gen_rtx_*_LIST and alloc_rtx to use them.
381 (compute_block_backward_dependences): Free the reg_last_* lists.
383 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
385 * cccp.c (main): Avoid undefined behavior when setting pend_includes
388 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
390 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
391 USE_GNULIBC_1 is defined
392 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
393 includes the t-linux-gnulibc1 fragment
395 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
397 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
399 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
401 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
403 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
405 * final.c (shorten_branches): Tag the loop alignment onto the
406 first label after NOTE_INSN_LOOP_BEG even if there is an
409 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
411 * final.c (insn_current_reference_address):
412 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
413 proper alignment chain.
415 * final.c (max_labelno): New static variable.
416 (final_scan_insn): Check max_labelno before outputting an
417 alignment for a label.
418 (shorten_branches): Remove unused variable length_align.
420 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
422 * sparc.c (ultrasparc_adjust_cost): Add default case in
425 * sparc.h: Add prototypes for extern functions defined in
428 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
430 * toplev.c: Only generate <name>.dbr file when dumping RTL if
431 DEALY_SLOTS is defined.
433 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
435 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
436 in call to fill_slots_from_thread.
438 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
440 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
441 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
443 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
445 * final.c (insn_last_address, insn_current_align, uid_align):
447 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
448 (insn_current_reference_address): Likewise.
449 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
450 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
451 (label_to_alignment): New function.
452 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
453 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
454 insn_current_reference_address instead of insn_current_address.
455 (or_attr_value, write_length_unit_log): New functions.
456 (main): Call write_length_unit_log.
457 (write_const_num_delay_slots): Output extra '\n'.
458 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
460 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
461 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
462 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
464 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
465 (LABEL_ALIGN_AFTER_BARRIER).
466 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
467 * ns32k/tek6000.h: Likewise.
468 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
469 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
470 ASM_OUTPUT_ALIGN_CODE.
472 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
474 * version.c: Bump for snapshot.
476 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
478 * version.c: Bump for snapshot.
480 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
482 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
483 if condition code of jump conflicts with opposite_needed.
485 * reorg.c (fill_slots_from_thread): Mark resources referenced in
486 opposite_needed thread. Return delay_list even when cannot get
487 any more delay insns from end of subroutine.
489 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
491 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
494 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
496 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
497 end_fde_sort): New functions for fast sorting of an FDE array.
498 (fde_insert): Simplified.
499 (add_fdes): Change argument list.
500 (frame_init): Use the new functions.
502 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
504 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
506 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
508 * fold-const.c (fold_range_test): Always return a value.
510 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
512 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
513 data in the text section unless READONLY_DATA_SECTION is defined.
515 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
517 * c-parse.in (undeclared variable error): Tweak error message to
520 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
522 * version.c: Bump for snapshot.
524 1998-02-28 Mark Mitchell <mmitchell@usa.net>
526 * final.c (final_scan_insn): Undo overzealous removal of `set'.
528 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
530 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
531 case, add parentheses to specify the proper order of precedence in
535 * c-aux-info.c: Include string.h/strings.h.
537 * pa.c: Include stdlib.h.
538 (pa_combine_instructions): Prototype the function.
539 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
540 (reloc_needed): Add default case for enumeration switch.
541 (remove_useless_addtr_insns): Remove unused variable `all'.
542 (hppa_expand_prologue): Add explicit braces to avoid
544 (output_function_epilogue): Remove unused variable `i'.
545 (output_millicode_call): Remove unused variable `link'.
546 (shadd_constant_p, forward_branch_p): Make the function static.
547 (following_call): Explicitly declare to return int.
548 (pa_reorg): Declare as void.
549 (pa_combine_instructions): Declare as static void. Add
550 parentheses around && within ||.
552 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
553 following_call, function_label_operand, lhs_lshift_cint_operand
556 * pa.md: Add parentheses around && within ||.
558 * cppalloc.c: Include stdlib.h.
560 * cpperror.c (cpp_print_containing_files): Remove unused variable
561 `i'. Fix format specifier in fprintf.
563 * cse.c (cse_around_loop): Add explicit braces to avoid
565 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
567 * expr.c (expand_expr): Add parentheses around && within ||.
569 * final.c (app_enable): Replace fprintf with fputs where there are
570 no format specifiers and no trailing argument after the string.
571 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
572 (app_disable): Likewise.
573 (final_end_function): Likewise.
574 (final_scan_insn): Likewise. Remove unused variable `set'.
575 (profile_function): Wrap empty if-statement body in {} brackets.
577 * function.c: Include stdlib.h.
578 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
579 (reposition_prologue_and_epilogue_notes): Add parentheses
580 around assignment used as truth value.
582 * integrate.c (expand_inline_function): Wrap variable
583 `cc0_insn' in macro HAVE_cc0.
585 * jump.c (jump_optimize): Wrap variable `q' in macro
586 HAVE_cc0. Remove unused variable `prev1'.
588 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
589 within ||. Fix format specifier in fprintf.
590 (__bb_init_prg): Add parentheses around assignment used as
593 * local-alloc.c: Include stdlib.h.
594 (requires_inout): Add parentheses around assignment used
597 * loop.c (analyze_loop_iterations): Wrap prototype and definition
598 in macro HAVE_decrement_and_branch_on_count.
599 (insert_bct, instrument_loop_bct): Likewise.
600 (move_movables): Add parentheses around assignment used as
602 (consec_sets_invariant_p): Likewise.
603 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
605 * objc/objc-act.c: Include stdlib.h.
606 (lookup_method_in_protocol_list): Wrap empty else-statement body
608 (lookup_protocol_in_reflist): Likewise.
609 (objc_add_static_instance): Remove unused variables `decl_expr'
611 (get_objc_string_decl): Remove unused variable `decl'.
612 (generate_static_references): Remove unused variables `idecl' and
614 (check_protocols): Wrap empty else-statement body in braces.
616 * protoize.c: Include stdlib.h.
617 (substr): Add parentheses around assignment used as truth value.
619 (shortpath): Likewise.
621 * regmove.c (fixup_match_1): Add parentheses around assignment
624 * reload.c (push_secondary_reload): Remove unused variable `i'.
625 (find_reloads): Add parentheses around assignment used as truth
628 * reload1.c: Include stdlib.h.
630 * rtl.h: Correct typo in prototype of offsettable_memref_p.
632 * stmt.c (add_case_node): Add parentheses around assignment used
634 (case_tree2list): Likewise.
636 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
637 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
638 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
639 (merge_attributes): Add explicit braces to avoid ambiguous
642 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
645 * varasm.c: Include stdlib.h.
648 * system.h: Remove sys/stat.h.
649 * gcc.c: Add sys/stat.h.
651 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
652 * genattrtab.c: Likewise.
653 * genconfig.c: Likewise.
654 * genemit.c: Likewise.
655 * genextract.c: Likewise.
656 * genflags.c: Likewise.
657 * genopinit.c: Likewise.
658 * genoutput.c: Likewise.
659 * genpeep.c: Likewise.
660 * genrecog.c: Likewise.
661 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
663 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
665 * invoke.texi: Use @itemx for a secondary item in a @table.
667 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
670 1998-02-26 Ken Raeburn <raeburn@cygnus.com>
672 * regclass.c (init_reg_sets): Move init of move cost tables...
673 (init_reg_sets_1): ...to here.
675 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
677 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
679 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
681 * i386.c (struct machine_function): Add new fields for PIC stuff.
682 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
684 (restore_386_machine_status): Corresponding changes.
685 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
687 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
689 * c-parse.y (undeclared variable error): Tweak error message
692 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
694 * flags.h (g_switch_value, g_switch_set): Declare.
695 * alpha.c (override_options): Set g_switch_value=8 if not set.
696 * alpha/elf.h (CC1_SPEC): New.
698 (LINK_SPEC): Pass along the -G value we were given.
699 (LOCAL_ASM_OP): Remove.
700 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
701 (MAX_OFILE_ALIGNMENT): New.
702 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
703 (EXTRA_SECTIONS): Add sbss and sdata.
704 (SECTION_FUNCTION_TEMPLATE): New.
705 (EXTRA_SECTION_FUNCTIONS): Use it.
706 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
707 (SELECT_SECTION): Use sdata when small enough.
708 * alpha/linux.h (ASM_SPEC): Remove.
711 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
712 * config.sub (sco5): Fix typo.
714 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
716 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
718 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
719 * config/alpha/t-linux: Remove file.
720 * config/sparc/t-linux: Remove file.
721 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
722 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
723 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
725 (alpha*-*-linux-gnu*): Likewise.
726 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
727 (sparc-*-linux-gnu*): Likewise.
729 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
730 * collect2.c (ldd_file_name): Bracket declaration with same
732 (full_real_ld_suffix): Deleted. Variable was calloced and
733 written into, but never read.
735 1998-02-23 Mike Stump <mrs@wrs.com>
737 * configure.in: Add support for i386-wrs-vxworks configuration.
738 * i386/vxi386.h: New file.
740 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
742 * tree.c (contains_placeholder_p): Ensure function always returns
744 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
745 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
747 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
749 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
751 1998-02-22 Paul Eggert <eggert@twinsun.com>
753 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
754 Define this new symbol.
755 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
756 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
757 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
759 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
761 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
762 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
764 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
766 * objc/Object.m (-error): Call objc_verror with our va_list.
768 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
770 * collect2.c (scan_prog_file): Completely cover uses of variable
771 `exports' with macro COLLECT_EXPORT_LIST.
773 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
775 * version.c: Bump for snapshot.
777 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
779 * sched.c (schedule_block): Remove code to get arguments from hard
780 regs into pseudos early. Same as Aug 25, 1997 change to
783 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
785 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
787 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
789 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
790 continuation character (line 243).
792 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
794 * genrecog.c (main): Remove duplicated sentence in emitted comment.
796 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
797 David Edelsohn <edelsohn@mhpcc.edu>
799 * collect2.c (XCOFF_SCAN_LIBS): Remove.
800 (export_flag): New variable.
801 (export_file): #ifdef COLLECT_EXPORT_LIST.
802 (import_file, exports, imports, undefined): New variables.
803 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
804 (dump_list, dump_prefix_list, is_in_list): New functions.
805 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
806 (write_import_file, resolve_lib_name): New functions.
807 (use_import_list, ignore_library): Same.
808 (collect_exit): maybe_unlink import_file and #ifdef.
810 (main): New variable importf, #ifdef exportf. Move parsing of
811 -shared before general argument parsing. Resolve AIX library
812 paths and import libgcc.a symbols. Treat .so shared libraries the
813 same as objects and .a libraries. Create alias for object_lst and
814 increment it instead of original pointer. Scan AIX libraries as
815 objects earlier instead of using scan_libraries. Perform AIX
816 tlink later to resolve templates instead of forking ld.
817 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
818 (GCC_UNDEF_SYMBOL): New macro.
819 (scan_prog_file): Loop for members of AIX libraries. Handle
820 export/import of ctors/dtors.
821 (aix_std_libs): New variable.
822 (scan_libraries, XCOFF): Delete.
824 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
826 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
828 1998-02-19 Mike Stump <mrs@wrs.com>
830 * Makefile.in: Use $tooldir for sys-include to match toplevel
833 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
834 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
836 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
838 * emit-rtl.c (hard-reg-set.h): Include.
839 (get_lowpart_common): Don't make new REG for hard reg in a
840 class that cannot change size.
841 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
843 * combine.c: Revert previous patch.
845 1998-02-19 Paul Eggert <eggert@twinsun.com>
847 * config/sparc/sol2-sld.h: New file.
848 * configure.in (sparc-*-solaris2*): Use it when using the
851 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
853 * loop.c (force_movables): Fix typo.
855 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
857 * m88k.h: Change file pattern to match reality.
859 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
861 * varasm.c (output_constant_pool): Fix dumb thinko in last
864 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
865 a function name to a section name.
867 1998-02-18 Doug Evans <devans@cygnus.com>
869 * tree.h (merge_machine_{type,decl}_attributes): Declare.
870 (split_specs_attrs, strip_attrs): Add prototypes.
871 * tree.c (merge_machine_{type,decl}_attributes): New functions.
872 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
873 Update olddecl's attributes too.
874 * c-common.c (strip_attrs): New function.
875 * c-typeck.c (common_type): Call merge_machine_type_attributes.
876 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
877 (make_decl_rtl): Likewise.
879 1998-02-18 Jim Wilson <wilson@cygnus.com>
881 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
883 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
885 Remove this change until we can fix it correctly.
886 * collect2.c: Bracket declaration of 'exportf' and
887 'full_real_ld_suffix'.
889 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
891 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
893 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
895 * c-common.c (c_expand_start_cond, c_expand_end_cond,
896 c_expand_start_else): Don't warn about non-ambiguous else even if
899 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
901 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
902 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
905 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
907 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
908 simplifying a subreg of a hard reg.
909 (expand_compound_operation): Likewise.
910 (force_to_mode): Likewise.
912 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
914 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
915 (lshift_double): Add parentheses around + or - inside shift.
916 (rshift_double): Likewise.
917 (size_int_wide): Explicitly set type of `bit_p' to `int'.
919 * Makefile.in (fold-const.o): Depend on system.h.
921 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
924 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
925 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
926 (sched_note_set): Remove unused parameter `b', all callers changed.
927 (schedule_block): Likewise for `rgn'.
928 (split_hard_reg_notes): Likewise for `orig_insn'.
929 (check_live): Likewise for `trg'.
930 (update_live): Likewise.
931 (check_live_1): Explcitly declare variable `i' as int.
932 (update_live_1): Likewise.
933 (insn_issue_delay): Remove unused variable `link'.
934 (sched_analyze_2): Add default case in enumeration switch.
935 (schedule_insns): Remove unused variable `i'.
937 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
939 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
941 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
942 a dangling else clause.
944 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
946 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
947 pointer for the stack pointer in MIPS16 and 64BIT.
949 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
951 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
952 * emit-rtl.c (force_line_numbers, restore_line_number_status):
954 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
955 (expand_start_case): Adjust to this change.
956 (check_seenlabel): New function.
957 (pushcase, pushcase_range, expand_endcase): Use it.
959 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
961 * i386.md (adddi3): Add =!r,0,0,X alternative.
963 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
965 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
966 * x-aix31 (INSTALL): Delete.
968 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
970 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
971 tsize changes to something other than zero.
973 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
975 * ginclude/va-mips.h: Replace casts of pointers to int with
976 casts of pointers to __PTRDIFF_TYPE__.
978 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
980 * loop.c (strength_reduce, record_biv, record_giv): Use
981 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
983 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
985 * tree.c (first_rtl_op): New fn.
986 (unsave_expr_now): Use it.
987 * print-tree.c (print_node): Likewise.
988 * tree.c (has_cleanups): New fn.
989 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
990 conservative about pushing the cleanup point down.
991 * tree.h: Declare them.
993 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
995 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
996 (flag_schedule_reverse_after_reload): Likewise.
997 (f_options): Remove reverse scheduling support.
998 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
999 (flag_schedule_reverse_after_reload): Likewise.
1000 * haifa-sched.c (rank_for_schedule): Remove support for reverse
1003 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1005 * gcc.c: Get system includes, prototypes and macros via "system.h"
1006 instead of doing it manually. Change all calls of the ctype
1007 macros to custom versions defined in "system.h".
1009 * system.h: Fix return type of bcmp prototype from `void' to `int'.
1010 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
1011 Add a prototype for getenv.
1013 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
1015 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
1017 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
1019 * alias.c: Include <stdlib.h> and <string.h>.
1020 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
1022 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
1024 * version.c: Bump for snapshot.
1026 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
1028 * arm.md (movsfcc): Also validate operands[3] when compiling hard
1030 (movdfcc): Only accept fpu_add_operand for operands[3].
1032 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
1033 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
1035 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
1037 * varasm.c (output_constant_pool): Bring back 'done' label inside
1038 an appropriate #ifdef.
1040 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
1042 (bitmap_copy, bitmap_operation): Likewise.
1043 * combine.c (combinable_i3pat): Similarly for 'src'.
1044 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
1045 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
1046 * regclass.c (copy_cost): Similarly for 'secondary_class'.
1047 * reload.c (make_memloc): Simliarly for 'i'.
1048 (find_reloads_address_1): Similarly for 'link'.
1049 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
1050 (emit_reload_insns): Similarly for 'second_reloadreg'.
1051 * unroll.c (iteration_info): Similarly for 'v'.
1053 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
1054 * calls.c (expand_call): Similarly for 'i'.
1055 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
1056 * fold-const.c (strip_compund_expr): Similarly for 'type'.
1057 * function.c (fixup_var_refs_1): Similarly for 'width'.
1058 (fixup_memory_subreg): Similarly for 'saved'.
1059 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
1060 (setjmp_protect): Similarly for 'sub'.
1061 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
1062 * loop.c (record_giv): Similarly for 'p'.
1063 (combine_givs): Similarly for 'temp_iv'.
1064 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
1065 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
1066 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
1067 * unroll.c (unroll_loop): Similarly for 'copy'.
1068 (iteration_info): Similarly for 'b'.
1069 * varasm.c (assemble_string): Similarly for 'i'.
1070 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
1072 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
1074 * dwarf2out.c (decl_scope_node): New type.
1075 (decl_scope_table): Change type to use it.
1076 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
1077 (push_decl_scope): Use new type. New locals containing_scope, i.
1078 Add code to handle setting previous field.
1079 (scope_die_for): Change type of local i to int. Add code to use
1081 (dwarf2out_init): Use new type.
1083 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
1085 * except.c (emit_throw): Lose throw_used.
1087 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1089 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
1091 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
1093 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
1095 * genextract.c (main): Fix typo.
1097 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
1099 * c-lang.c (finish_file): Bracket declaration of static_ctors,
1102 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
1103 'old_stack_arg_under_construction'
1104 (emit_library_call): Bracket declaration of 'upper_bound',
1105 'lower_bound', 'i', 'reg_parm_stack_space'
1106 (emit_library_call_value): Likewise.
1109 * collect2.c: include <unistd.h> when appropriate.
1110 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
1112 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
1114 * explow.c (plus_constant_for_output_wide): Remove unused variable
1116 (memory_address): Remove unused variable 'orig_x'.
1118 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
1119 (write_const_num_delay_slots): Remove unused variable 'i'.
1121 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
1122 (gen_insn): Remove unused variable 'obstack_ptr'.
1124 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
1126 (__bb_exit_trace_func): Remove unused variable 'e'.
1128 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
1130 (expand_unop): Remove unused variable 'funexp'.
1131 (expand_complex_abs): Remove unused variable 'funexp'.
1132 (init_optabs): Bracket declaration of 'j'.
1133 (init_complex_libfuncs): Deleted. Dead static function.
1135 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
1137 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
1138 (reg_to_stack): 'initialized', 'before_function_beg'
1139 explictly type as ints instead of defaulting.
1140 (emit_swap_insn): Remove unused variable 'i2'.
1141 (compare_for_stack_reg): Remove unused variable 'src_note'.
1143 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
1145 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
1147 * stmt.c (add_case_node): Add parens for assignment used as truth.
1148 (all_cases_count): Remove unused variable 'count_high'.
1149 (mark_seen_cases): Remove unused variable 'i'.
1150 (check_for_full_enumeration_handling): Remove unused variable 't'.
1151 Bracket declaration of 'all_values', 'l'.
1153 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
1155 * varasm.c (assemble_string): Remove unused variable 'i'.
1156 (immed_double_const): Remove unused variable 'in_current_obstack'.
1157 (immed_real_const_1): Likewise.
1158 (output_constant_pool): Remove unreferenced label 'done'.
1159 (output_constant): Remove unused variable 'x'.
1161 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
1164 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
1167 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1169 * combine.c (can_combine_p): Handle USEs in PARALLELs.
1171 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
1173 * config/linux.h (LIB_SPEC): Add -lc for -shared if
1174 USE_GNULIBC_1 is not defined.
1175 * config/sparc/linux.h; Ditto.
1177 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
1179 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
1180 USE_GNULIBC_1 is not defined.
1182 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1184 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
1187 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1189 * system.h: New file to get common systems includes and various
1190 definitions and declarations based on autoconf macros.
1192 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
1194 * cccp.c (new_include_prefix): Correctly handle -I./.
1196 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
1198 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
1200 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
1202 * expr.c (expand_assignment): Correct typo exposed by -Wall.
1203 offset should have been a truth value, not an assignment.
1205 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
1207 * cse.c (delete_dead_from_cse): If a libcall produces a constant
1208 result and that result can be substituted into SET_SRC of the
1209 insn with the REG_RETVAL note, then perform the substitution
1210 and delete the libcall.
1212 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
1214 * mips.md (trucndihi2,truncdiqi2): Change these to support
1217 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
1219 * mips/mips.c (movdi_operand): Direct referances to symbols
1220 that arn't mips16 consts in mips16 mode arn't valid operands.
1222 * mips/mips.c (mips_move_2words): Add gprel handling.
1224 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
1226 * mips.md (extendsidi2): Allow extension to/from a non-mips16
1229 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
1231 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
1234 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1236 * Makefile.in (WARN_CFLAGS): New variable.
1237 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
1239 1998-02-11 Mark Mitchell <mmitchell@usa.net>
1241 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
1242 falling through default case in switch.
1243 (i386_aligned_p): Likewise.
1245 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
1247 * mips/mips.h (mips_abi_string): Correct typo in comment.
1249 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
1251 * mips/mips.md (movdi): These PLUS's need to be Pmode.
1253 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1255 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
1256 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
1257 indirectly via expr.h.
1259 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
1261 * stor-layout.c (layout_type): Do upper - lower in the native type,
1262 so as to properly handle negative indices.
1264 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
1266 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
1267 (expand_eh_region_start_tree): Remove unused variable 'note'.
1268 (exception_optimize): Remove unused variable 'regions'.
1269 (expand_builtin_eh_stub): Remove unused variable 'temp'.
1270 (copy_eh_entry): Deleted. Dead function.
1272 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
1273 'last' with same #if HAVE_load_multiple as use of it.
1274 (move_block_from_reg): Likewise.
1275 (emit_move_insn_1): Remove unused variable 'insns'.
1276 (store_constructor): Bracket declaration of startb, endb with
1277 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
1278 'target', and 'xtarget'.
1279 (expand_builtin_setjmp): Remove unused variables 'op0',
1280 'next_arg_reg', 'old_inhibit_defer_pop'.
1281 (expand_builtin): Remove unused variable 'offset'.
1282 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
1283 (emit_queue): Add parens for assignment used as conditional.
1284 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
1286 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
1288 * i386.c: Added include for recog.h.
1289 (override_options): Removed unused variable p. Initialized regno to
1291 (order_regs_for_local_alloc): Initialized regno to avoid warning.
1292 (legitimize_address): Likewise for 'other'.
1293 (i386_aligned_reg_p): Added default case with abort ().
1294 (print_operand): Likewise.
1295 (reg_mentioned_in_mem): Likewise.
1296 (ix86_expand_binary_operator): Removed unused variables i & insn.
1297 (ix86_expand_unary_operator): Removed unused variable insn.
1298 (output_fp_cc0_set): Removed unused variable unordered_label.
1300 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
1302 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
1303 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
1304 and format string match.
1306 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
1308 * flow.c (life_analysis): Do not conside the stack pointer live at
1309 the end of a function if the fucntio ncalls alloca.
1310 (mark_used_regs): Similarly.
1312 1998-02-10 John F Carr <jfc@mit.edu>
1314 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
1315 1, fzero on alternative 8.
1317 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1319 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
1321 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1323 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
1324 SUBREGs of CONST_INTs.
1326 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
1328 * mips.c (print_operand, function_prologue): Make printf format
1329 match argument type.
1331 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1333 * alpha.c (alpha_return_addr): Remove unused variable `first'.
1334 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
1335 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
1337 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1339 * loop.c (strength_reduce): When placing increment for auto-inc
1340 case, do comparison in loop order.
1342 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
1344 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
1345 not a HOST_WIDE_INT.
1347 * calls.c (expand_call): Change test of expand_inline_function
1348 return value to stop compiler warning.
1350 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
1352 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
1353 Jeff Law (law@cygnus.com)
1355 * regmove.c: Fix various minor formatting problems.
1356 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
1357 is true. Make end of basic block tests consistent through regmove.c.
1358 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
1359 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
1361 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1363 * gansidecl.h: Check for a conflicting macro definition before
1364 attempting to prototype bcopy, bcmp or bzero.
1366 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
1368 * expr.c (clear_pending_stack_adjust): Handle case where a function
1369 calls alloca, but the user has specified -fomit-fframe-pointer.
1371 * function.c (assign_parms): Fix typo in last change.
1373 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
1375 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
1377 (free_path_suffix): Remove unreferenced static function.
1378 (process_command): Remove unused variable temp.
1379 (default_arg): Remove unused variable i.
1380 (do_spec_1): Add parens for assignment used as truth value.
1382 (validate_all_switches): Likewise.
1383 (main): Remove unused variables i, first_time>
1385 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
1387 * calls.c (expand_call): Remove unused variables funtree,
1388 n_regs, and tmpmode.
1390 * dbxout.c, except.c: Include <string.h>/<strings.h>.
1392 * explow.c: (plus_constant_for_output_wide) Removed unused
1393 variable all_constant.
1395 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
1396 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
1397 genrecog.c, global.c, integrate.c , stupid.c : Include
1400 * genextract.c: (walk_rtx) Remove unused variable link.
1402 * genrecog.c: (concat) Remove unreferenced static function.
1404 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
1406 * stmt.c: Include <stdlib.h>.
1407 (expand_asm_operands): Remove unused variable val1.
1408 (expand_return): Remove unused variable block.
1409 (pushcase): Remove unused variables l and n.
1410 (pushcaserange): Likewise.
1412 * unroll.c (unroll_loop): Remove unused variable temp.
1414 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
1416 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
1418 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1420 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
1421 functions for whether they support the %p format specifier.
1422 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
1423 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
1424 * configure, config.in: Rebuild.
1426 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
1428 * function.c (assign_parms): New variable named_arg, with value
1429 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
1431 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
1433 * mips/t-r3900: New - same as t-ecoff but eliminate
1434 multilibs: mips1 and mips3.
1435 * configure.in (tx39*): Use new mips/t-r3900.
1436 * configure: Rebuild.
1437 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
1439 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
1441 * dwarf2out.c: Add old_args_size.
1442 (dwarf2out_args_size): Use it.
1443 (dwarf2out_begin_prologue): Initialize it.
1444 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
1445 pushed args until we see a call.
1446 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
1447 before outputting them.
1449 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
1451 * cplus-dem.c (demangle_template_template_parm): New function.
1452 (demangle_template): Handle template template parameters.
1454 1998-02-02 Mark Mitchell <mmitchell@usa.net>
1456 * calls.c (expand_call): Don't confuse member functions named
1457 realloc, setjmp, and so forth with the standard library
1458 functions of the same names.
1460 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
1462 * stmt.c (expand_asm_operands): Correctly identify asm statements
1465 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
1467 * c-common.c (decl_attributes): Flag unrecognized attribute
1468 functions as warnings instead of as errors.
1470 1998-02-05 Marc Lehmann <pcg@goof.com>
1472 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
1473 when -Os is specified.
1474 * toplev.c (main): Don't disable flag_inline_functions anymore when
1477 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1479 * regmove.c: Update.
1480 * flags.h (flag_regmove): Declare.
1481 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
1482 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
1483 Moved into regmove; changed caller.
1484 * toplev.c (rest_of_compilation): Call regmove_optimize also for
1485 expensive_optimizations.
1487 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
1489 * version.c: Bump for snapshot.
1491 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1492 Undo this change (the problem was actually in reload):
1493 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1495 * sh.md (movqi_i+1): New peephole.
1497 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
1499 * jump.c (jump_optimize): Lose calls to modified_in_p they are
1500 not needed anymore due to changes elsewhere in jump.c.
1502 * jump.c (jump_optimize): Fix first arg to modified_in_p in
1505 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
1507 * expr.c (expand_builtin_setjmp): Accept two new arguments for
1508 the labels to branch to on first and subsequent executions. Don't
1509 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
1510 and provide it with the jmp_buf. Use only one of
1511 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
1512 and provide the former with the target label.
1513 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
1514 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
1515 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
1516 insn to replace all of the normal nonlocal_goto code. Don't play
1517 with __dummy. Correct arguments to nonlocal_goto.
1518 * expr.h (expand_builtin_setjmp): Update prototype.
1519 * except.c (start_dynamic_handler): When using builtin_setjmp,
1520 generate more accurate flow information.
1522 * alpha.md (nonlocal_goto_receiver_osf): Delete.
1523 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
1524 (builtin_longjmp, builtin_setjmp_receiver): New.
1525 * sparc.md (update_return): Disambiguate unspec number.
1526 (nonlocal_goto): Rearrange arguments to match caller in except.c.
1527 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
1529 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
1530 (builtin_setjmp_setup*, builtin_longjmp): New.
1532 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
1534 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
1536 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
1538 * vmsconfig.com: Remove bytecode references.
1540 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1542 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
1543 -fno-sjlj-exceptions works for a target that defines
1544 DWARF2_UNWIND_INFO as zero.
1546 * regmove.c (fixup_match_1): Undo last change which removed some
1547 "useless" code, and add a comment explaining this.
1549 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
1551 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
1554 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
1556 * makefile.vms: Remove bytecode references.
1557 Create genrtl files.
1559 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
1561 * jump.c (jump_optimize): Allow conditional loading of floating point
1562 constants and constants from memory. Reinstalled modified_in_p tests.
1564 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1566 * loop.c (get_condition): Handle sign-extended constants.
1568 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
1570 * expr.c (emit_push_insn): Add code to use movstrti if present.
1572 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
1573 and movstrqi as in emit_block_move ().
1575 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
1577 * config/m68k/x-next: Remove /NextDeveloper/Headers from
1578 the directories to fixinclude - /usr/include is a link
1579 to it and hence its contents are fixed by default.
1581 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1583 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
1585 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
1587 * cccp.c (main): Predefine __VMS_VER on VMS.
1589 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1591 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
1592 * fold-const.c (size_int): Replace with
1594 (make_bit_field_ref): Use bitsize_int for bit position.
1595 * stor-layout.c (sizetype): Delete.
1596 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
1597 (layout_record, layout_union, layout_type):
1598 Use bitsize_int for bit size.
1599 (set_sizetype): New function.
1600 (make_signed_type, make_unsigned_type): Use it.
1601 * c-decl.c (init_decl_processing): Likewise.
1602 * tree.h (size_int): Don't delcare, #define.
1603 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
1604 (set_sizetype): Declare.
1605 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
1607 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
1608 Convert result to sizetype.
1609 (really_start_incremental_init, push_init_level):
1610 Set type of constructor_bit_index to sbitsizetype.
1611 (push_init_level): Use unsigned arithmetic to determine padding.
1612 (output_init_element): Likewise.
1614 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
1616 * combine.c (simplify_shift_const): Fix typo in last change.
1618 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
1620 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
1621 is (truncate (lshiftrt)).
1623 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
1625 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
1626 Make sure result winds up in TGT.
1627 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
1628 src to be other than DImode.
1629 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
1630 (alpha_expand_unaligned_store_words): Likewise.
1631 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
1632 that source and destination are separately optimized for alignment.
1633 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
1635 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
1637 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
1638 with handling of -32768.
1640 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1642 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
1643 shell variable argument instead of only hard coded functions.
1644 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
1646 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
1647 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
1648 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
1649 declarations for bcopy, bcmp and bzero.
1651 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
1653 * gansidecl.h: If we have bcopy but don't declare it, then do so.
1654 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
1655 bzero, index and rindex if they aren't already present.
1657 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
1659 * toplev.c (close_dump_file): Wrap function prototype for
1660 argument "func" in PROTO.
1661 (dump_rtl): Likewise.
1663 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
1665 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
1667 (output_function_epilogue): Omit epilogue if nothing drops through.
1668 (output_move_double): Supress int ldd usage on ultrasparc and v9.
1669 (registers_ok_for_ldd_peep): Likewise.
1670 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
1671 (ultrasparc_adjust_cost): New function.
1672 (sparc_issue_rate): New function.
1673 * sparc.h (MASK_VIS, TARGET_VIS): New
1674 (MASK_V8PLUS, TARGET_V8PLUS): New.
1675 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
1676 (TARGET_SWITCHES): Add vis and v8plus.
1677 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
1678 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
1679 (RTX_COSTS): Use TARGET_HARD_MUL
1680 (ADJUST_COST): Call ultrasparc_adjust_cost.
1682 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
1683 of load & fp appropritely.
1684 (supersparc function units): Adjust for Haifa.
1685 (ultrasparc function units): Likewise.
1686 (get_pc_via_rdpc): All v9, not just arch64.
1687 (movdi_v8plus, movdi_v8plus+1): New.
1688 (adddi3_sp32+1): New.
1689 (subdi3_sp32+1): New.
1690 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
1691 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
1692 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
1693 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
1694 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
1695 (ldd peepholes): Suppress for v9.
1696 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
1697 (return_subsi): Revmove.
1699 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
1701 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
1702 save/restore MEM rtl.
1704 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
1706 * configure.in: Check for declaration of abort.
1707 * acconfig.h: Corresponding changes.
1708 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
1711 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
1713 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
1716 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
1718 * version.c: Bump for snapshot.
1720 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
1722 * configure.in: Check for atoq and atoll.
1723 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
1724 proper routine for converting ascii into long long values.
1726 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
1728 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
1730 * vmsconfig.com: Remove bytecode references.
1732 * alpha/vms.h (PREFIX): Define.
1734 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
1736 * am-alpha.h: Don't include alloca for OPEN_VMS.
1738 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
1740 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
1741 (GCC_INCLUDE_DIR): Define
1743 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
1744 * makefile.vms: New file.
1746 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
1748 * alpha.c (output_prolog): Output '.name' directive
1749 for minimal traceback information.
1751 * alpha.c (output_prolog): Don't prepend entry point symbols
1752 with '$' on OPEN_VMS.
1754 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
1755 Jeffrey A Law (law@cygnus.com)
1757 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
1760 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
1762 * genemit.c (gen_exp): Likewise.
1763 * genpeep.c (match_rtx): Likewise.
1764 * genrecog.c (write_tree_1): Likewise.
1766 * c-lex.c (yyprint): Use proper format string based upon
1767 disposition of HOST_BITS_PER_WIDE_INT.
1768 (yylex): Put casts in right place for args to build_int_2.
1770 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
1772 * combine.c: Fix typos in Jan27 changes.
1774 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
1776 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
1777 (LINK_SPEC): Likewise.
1778 (STARTFILE_SPEC): Likewise.
1780 1998-01-28 Mike Stump <mrs@wrs.com>
1782 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
1784 * genattrtab.c (reload_completed): Define.
1786 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
1789 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1791 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1792 SUBREG_REG if the word count is unchanged, also in the input reload
1793 case. Disable non-applicable sanity checks.
1795 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
1797 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
1799 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
1801 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
1803 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
1805 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
1806 is a TREE_VEC before trying to use it for baseclasses.
1807 (Chill uses the same field for a different purpose.)
1809 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
1811 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
1813 * config.sub: More accurate determination of HP processor types.
1815 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1817 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
1818 prototype for `handle_sysv_pragma', and make it static. Add
1819 parentheses around assignment used as truth value.
1821 * combine.c (combine_instructions): Protect variable `prev' with
1823 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
1824 (extract_left_shift): Add parentheses around operand of &.
1825 (merge_outer_ops): Avoid an empty body in an else-statement.
1826 (gen_rtx_combine): Remove unused variable `i'.
1828 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
1829 function monstartup `void'. Likewise for internal_mcount. Add
1830 `static void' prototype for moncontrol. Reconcile sprintf format
1833 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
1834 Make return type of function_arg_slotno explicitly `int'.
1835 (reg_unused_after): Add parentheses around assignment used as
1837 (save_regs): Add explicit braces to avoid ambiguous `else'.
1838 (function_arg_slotno): Add parentheses around && within ||.
1839 (function_arg_pass_by_reference): Likewise.
1840 (sparc_flat_output_function_prologue): Reconcile fprintf format
1843 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
1844 assignment used as truth value.
1846 * cplus-dem.c: Include <stdlib.h>.
1847 (demangle_signature): Avoid an empty body in an else-statement.
1848 (do_type): Remove unused variable `lvl'.
1850 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
1851 Include <string.h>/<strings.h>.
1852 (cpp_lex): Remove unused variable `namelen'.
1853 (cpp_lex): Explicitly declare `num_chars' as an int.
1855 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
1856 <unistd.h> instead. Explicitly declare is_system_include
1858 (make_assertion): Remove unused variable `kt'.
1859 (cpp_expand_to_buffer): Hide variable `obuf'.
1860 (output_line_command): Remove unused variables, `line_end',
1861 `line_cmd_buf' and `len'.
1862 (macarg): Remove unused variable `arg_start'.
1863 (special_symbol): Remove unused variable `i'. Add parentheses
1864 around assignment used as truth value.
1865 (do_include): Remove unused variables `pcfname' and `retried',
1866 hide `pcf' and `pcfbuflimit'.
1867 (do_line): Remove unused variable `i'.
1868 (finclude): Hide variable `missing_newline'.
1869 (cpp_handle_options): Remove unused variable `j'.
1870 (read_token_list): Remove unused variable `eofp'.
1871 (cpp_error_with_line): Remove unused variable `i'.
1872 (cpp_warning_with_line): Likewise.
1873 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
1874 (cpp_error_from_errno): Remove unused variable `i'.
1876 * cse.c (invalidate): Add parentheses around assignment used as
1878 (find_best_addr): Move declaration of variable `our_cost' inside
1879 the conditional macro where its used.
1880 (fold_rtx): Avoid an empty body in an if-statement.
1881 (cse_insn): Wrap variables `this_insn_cc0_mode' and
1882 `this_insn_cc0' in macro HAVE_cc0.
1884 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
1885 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
1886 (output_uleb128): Likewise.
1887 (output_sleb128): Likewise.
1888 (output_cfi): Likewise.
1889 (output_call_frame_info): Remove unused variables `j', `fde_size'
1891 (comp_unit_has_inlines): Hide declaration as per rest of file.
1892 (size_of_line_prolog): Correct typo in prototype.
1893 (add_arange): Likewise.
1894 (output_aranges): Likewise.
1895 (add_name_and_src_coords_attributes): Likewise.
1896 (gen_array_type_die): Likewise.
1897 (gen_inlined_subroutine_die): Likewise.
1898 (equate_decl_number_to_die): Remove unused variable `i'.
1899 (print_die): Reconcile format vs. args in fprintf's.
1900 (print_dwarf_line_table): Likewise.
1901 (output_die): Likewise.
1902 (output_line_info): Likewise.
1903 (add_subscript_info): Avoid an empty body in an else-statement.
1904 (gen_subprogram_die): Remove unused variable `fp_loc'.
1906 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
1907 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
1908 macro. Protect `src_coords_attribute' prototype with
1909 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
1910 prototype as in the rest of the file. Likewise for
1911 `output_pointer_type_die' and `output_reference_type_die'. Remove
1912 prototype for `type_of_for_scope'.
1913 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
1914 (type_attribute): Add explicit braces to avoid ambiguous `else'.
1916 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
1917 (shorten_branches): Protect declaration of tmp_length with
1918 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
1919 (profile_function): Protect declaration of `sval' and `cxt'
1920 variables with appropriate macros.
1921 (final_scan_insn): Likewise for `note' variable. Add explicit
1922 braces to avoid empty body in an if-statement.
1923 (output_asm_insn): Move variable `i' inside macro conditional
1924 where it is used. Add parentheses around assignment used as truth
1926 (asm_fprintf) Likewise, likewise.
1928 * fix-header.c (main): Remove unused variable `done'. Protect
1929 declaration of `i' with FIXPROTO_IGNORE_LIST.
1931 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
1933 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
1936 * profile.c: Include <string.h>/<strings.h>.
1937 (instrument_arcs): Remove unused variables `note', `inverted',
1938 `zero' and `neg_one'.
1939 (branch_prob): Avoid empty body in an if-statement.
1941 * regclass.c: Include <stdlib.h>.
1942 (reg_alternate_class): Explicitly declare parameter `regno'.
1944 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
1945 parentheses around assignment used as truth value.
1946 (find_matches): Remove unused variables `output_operand' and
1948 (fixup_match_1): Remove statement with no effect: "if (0) ;".
1950 * scan.c (sstring_append): Explicitly declare `count' as int.
1951 (scan_string): Explicitly declare parameter `init' as int.
1953 * sched.c: Include <stdlib.h>.
1954 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
1955 (rank_for_schedule): Add parentheses around assignment used as
1957 (schedule_block): Likewise.
1958 (regno_use_in): Likewise.
1959 (schedule_insns): Remove unused variable `i'.
1961 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
1962 (v_message_with_decl): Remove unused variable `n'.
1963 (botch): Explicitly declare parameter `s' as char *.
1964 (main): Add parentheses around assignment used as truth value.
1966 * tree.c (make_node): Protect the variable `kind' with the
1967 GATHER_STATISTICS macro.
1968 (real_value_from_int_cst): Move variable `e' inside conditional
1969 macro area where it is used.
1970 (tree_last): Add parentheses around assignment used as truth value.
1971 (build1): Protect the variable `kind' with the GATHER_STATISTICS
1973 (print_obstack_statistics): Reconcile format vs. args in fprintf.
1974 Protect variables `i', `total_nodes', and `total_bytes' with the
1975 GATHER_STATISTICS macro.
1977 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
1979 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
1980 some comments regarding use of dead_or_set_p.
1982 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
1984 * fixincludes: Tweak fix for struct exception in math.h
1986 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
1988 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
1989 Change mode of registers used to add/sub from
1990 hard_frame_pointer_rtx from word_mode to Pmode.
1992 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
1994 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
1995 asm_output_aligned_bss() instead of asm_output_bss().
1997 * toplev.c (rest_of_compilation): Replace references to
1998 stack_reg_dump_file and dbr_sched_dump_file with references to
2001 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2003 * tlink.c (scan_linker_output): Call fclose() for opened files.
2005 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
2007 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
2008 compiling with -fpic -- we want to be able to override symbols
2010 (alpha_expand_block_move): Fix thinko in last change.
2012 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
2013 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
2014 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
2016 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
2018 * alpha.md (abssf, absdf): Revert last change.
2020 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
2022 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
2023 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
2025 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
2027 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
2028 a CONST_INT into SFmode.
2030 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
2032 * flags.h: New flag (optimize_size).
2033 * toplev.c (main): Parse -Os option and set optimize_space
2035 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
2036 __OPTIMIZE_SIZE__ when compiling with -Os.
2037 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
2038 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
2039 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
2041 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
2043 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
2045 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
2046 stuff only if MCT_TEXT is #define'd.
2048 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
2050 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
2053 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
2055 * toplev.c: Add -dM command line option to dump RTL after the
2056 machine dependent reorganisation pass, if there is one.
2057 Reorganise RTL dump code, so that only one file handle is
2060 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
2062 * except.c (check_exception_handler_labels): Disable warning when
2065 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
2067 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
2069 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2071 * c-decl.c (grokdeclarator): Get parameter tags from
2072 last_function_parm_tags.
2073 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
2074 traversing the parameter types.
2075 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
2077 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
2079 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
2081 (get_shift_alg): Fix typo.
2083 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
2085 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
2087 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
2089 * toplev.c (get_run_time): Make sure each case gets its variables.
2091 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
2093 * configure.in (build_xm_file): Add auto-config.h if host=build.
2094 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
2095 (build_xm_file_list): Likewise.
2096 * configure: Rebuild.
2098 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
2100 * recog.c (validate_replace_rtx_1): Only perform substitutions
2101 of arguments to commutative and comparison operators once.
2103 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2105 * sparc.c (output_cbranch): Add default case in
2108 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
2109 (emit_delay_sequence): Eliminate unused parameter, all callers
2111 (fill_simple_delay_slots): Likewise.
2112 (fill_slots_from_thread): Likewise.
2113 (fill_eager_delay_slots): Likewise.
2114 (mark_referenced_resources): Add default case in enumeration switch.
2115 (mark_set_resources): Likewise.
2116 (rare_destination): Likewise.
2117 (mostly_true_jump): Likewise.
2118 (find_dead_or_set_registers): Likewise.
2119 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
2120 (update_reg_unused_notes): Remove unused variable `p'.
2121 (mark_target_live_regs): Remove unused variables `next' and
2123 (fill_simple_delay_slots): Remove unused variable `j'.
2124 (fill_slots_from_thread): Add parentheses around assignment used
2126 (dbr_schedule): Likewise.
2128 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
2129 (objc.stage2, objc.stage3, objc.stage4): Likewise.
2131 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
2133 * cse.c (simplify_ternary_operation): Don't try to simplify
2134 IF_THEN_ELSE expressions (created by combine) that don't use
2135 relational operators.
2137 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
2139 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
2142 * crtstuff.c (init_dummy): Keep the epilogue in the init
2143 section for non-ELF systems.
2145 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2147 * sh.md (movqi_i+1): New peephole.
2149 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
2151 * Makefile.in: Remove remaining bytecode stuff.
2152 * emit-rtl.c, expr.c: Likewise.
2154 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
2156 * toplev.c (lang_options): Add unknown-pragma options.
2158 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
2160 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
2161 special (and incomplete) handling for Chill arrays.
2163 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
2165 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
2168 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
2170 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
2172 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
2174 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
2175 .frame directive instead of FRAME_POINTER_REGNUM.
2177 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
2179 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
2180 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
2181 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
2182 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
2183 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
2184 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
2185 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
2186 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
2188 * longlong.h: Replace __mc68332__ with __mcpu32__.
2190 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
2192 * version.c: Bump for snapshot.
2194 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
2196 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
2197 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
2198 * reload1.c (eliminate_regs): Likewise.
2200 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
2202 * regmove.c (find_matches): Initialize matches->earlyclobber too.
2204 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
2206 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
2207 (negsf2, negdf2): Use proper subtract in IEEE mode.
2209 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
2211 * Makefile.in: Remove more bytecode stuff.
2212 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
2213 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
2214 * f/install.texi, objc/Make-lang.in: Likewise.
2216 * Makefile.in: Remove all bytecode support.
2217 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
2218 * emit-rtl.c: Remove all bytecode support.
2219 * expr.c, expr.h function.c, integrate.c: Likewise.
2220 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
2221 * tree.h, varasm.c: Likewise.
2222 * config/m68k/m68k.h: Likewise.
2223 * bi-*, bc-*, bytecode*: Delete bytecode related files.
2224 * modemap.def: Likewise.
2226 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
2228 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
2229 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
2231 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
2233 * i386.md (push): Prohibit symbolic constants if flag_pic.
2234 (movsi+1): Likewise for move to non-register.
2236 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
2238 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
2239 (print_operand): Handle 0xffffffff on 32 bit host.
2241 * configure.in (thread_file): Rename uses before main loop to
2242 target_thread_file. Initialize to empty in main loop. Set thread_file
2243 to target_thread_file after main loop if not set.
2244 * configure: Rebuild.
2246 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
2247 (add_values_to_cover): Revert last change (which had no ChangeLog
2249 (simplify_with_current_value_aux): Handle CONST_INT.
2251 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2253 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
2255 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
2257 * configure.in: Add cpp stringify test.
2258 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
2259 * gengenrtl.c: Use it.
2260 * configure, config.in: Rebuild.
2262 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2264 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
2266 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
2268 * configure.in: Find declaration for sbrk.
2269 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
2270 * config.in, configure: Rebuild.
2271 * mips-tfile.c: Properly protect declaration of sbrk and free.
2272 * toplev.c: Properly protect declaration of sbrk.
2274 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
2276 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
2278 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
2280 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
2282 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
2284 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
2286 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
2288 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
2289 constant offset computations from objects with known alignment in
2290 the presence of STACK_BIAS.
2292 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
2294 (const_hash): Hash val is unsigned long.
2295 (SYMHASH): Likewise.
2297 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
2299 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
2300 char pointer, not HOST_WIDE_INT.
2301 (print_node): Likewise. Also hash is unsigned long not
2304 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
2306 * explow.c (optimize_save_area_alloca): New function for targets
2307 where SETJMP_VIA_SAVE_AREA is true.
2308 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
2309 compute the amount of stack space needed should we find later that
2310 setjmp is never called by this function, stuff rtl for this inside
2311 a REG_NOTE of the final SET of stack_pointer_rtx.
2312 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
2313 current_function_calls_alloca, call optimize_save_area_alloca.
2315 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
2317 * i386.md: Remove redundant integer push patterns.
2318 Don't bother checking for TARGET_PUSH_MEMORY when
2319 pushing constants or registers.
2321 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
2322 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
2324 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
2325 (pwait): New function for mingw32.
2327 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
2328 pipe support is broken for now.
2330 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
2332 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
2333 between frame_pointer_rtx, hard_frame_pointer_rtx, and
2334 arg_pointer_rtx is respected in initialization.
2335 (init_emit_once): Use gen_rtx_raw_REG() to create
2336 return_address_pointer_rtx.
2338 * reorg.c: #include "expr.h" for rtx prototypes.
2339 * Makefile.in (reorg.o): Depend on expr.h
2341 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
2343 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
2344 local_prefix to sub-make invocations.
2346 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
2348 * objc-parse.c: Recognize protocol qualifiers in class definitions.
2350 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
2354 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
2355 * configure.in: Check for atol.
2356 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
2358 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
2360 * loop.c (find_and_verify_loops): When attempting to move insns from
2361 inside the loop outside the loop, create a BARRIER if no suitable
2364 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
2365 favor of an equivalent change from gcc-2.8.
2367 * i386/x-sco5 (CC): Remove trailing whitespace.
2369 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2371 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
2372 (accessor_from_format): Likewise.
2373 (xmalloc): New function for use when linking with alloca.o.
2375 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2377 * frame.c (find_fde): Correct FDE's upper bound.
2379 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
2381 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
2383 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
2385 * calls.c (expand_call): Move #ifdef code out of macro argument
2387 (emit_library_call, emit_library_call_value): Likewise.
2389 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
2391 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
2393 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
2395 * version.c: Bump for snapshot.
2397 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
2399 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
2400 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
2401 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
2402 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
2403 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
2404 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
2405 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
2406 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
2407 * unroll.c, varasm.c: Likewise.
2408 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
2410 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
2412 * mips.h: Fix some type-o's from a previous change.
2414 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
2416 * loop.c (check_dbra_loop): Make sure initial value is a
2417 CONST_INT before trying to normalize it.
2419 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
2421 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
2423 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
2425 * cppexp.c: Include gansidecl.h
2427 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
2429 * svr4.h (LINK_SPEC): Never specify -h.
2430 * ptx4.h (LINK_SPEC): Likewise.
2431 * rs6000/sysv4.h (LINK_SPEC): Likewise.
2432 * sparc/sol2.h (LINK_SPEC): Likewise.
2434 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
2436 * c-typeck.c (comptypes): Exit early on NULL input.
2438 * haifa-sched.c (schedule_insns): Correctly remove inter-block
2439 dependencies after reload.
2441 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2443 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
2445 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
2447 * alpha/vms.h (DIR_SEPARATOR): define
2449 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2451 * Makefile.in (stamp-proto): Remove.
2452 (protoize.o, unprotoize.o): Straightforward compile.
2453 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
2455 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
2457 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
2458 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
2460 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
2462 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
2463 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
2464 * sparc/netbsd.h, vax/netbsd.h: Likewise.
2466 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
2468 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
2470 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
2472 * configure.in (target_cpu_default, target_cpu_default2): Use double
2473 quotes around them when testing their value.
2474 * configure: Rebuilt.
2476 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
2478 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
2480 (gendef): Call obstack_alloc_rtx.
2482 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
2484 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
2487 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
2489 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
2490 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
2491 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
2493 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
2495 * mips.md (return_internal): Change mode from SImode to VOIDmode.
2497 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
2499 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
2502 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
2504 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
2505 suffix from operand 3.
2507 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2508 Jeffrey A Law (law@cygnus.com)
2510 * regmove.c: New implementation of regmove pass.
2511 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
2512 decls, make them have external linkage. Return a value from
2513 optimize_reg_copy_1.
2514 * reload.h (count_occurrences): Add decl.
2515 * reload1.c (count_occurrences): Delete decl, make it have external
2517 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
2519 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
2521 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
2522 if it is not defined.
2524 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
2526 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
2527 * emit-rtl.c (gen_rtx): Move special code to ...
2528 (gen_rtx_CONST_INT): New function.
2529 (gen_rtx_REG): New function.
2530 (*): Update all calls to gen_rtx.
2531 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
2532 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
2533 (GEN_INT): Call gen_rtx_CONST_INT.
2534 * gengenrtl.c: New file.
2536 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
2538 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
2539 (base_alias_check): If no base found for address call canon_rtx and
2542 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
2544 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
2545 arguments for mips16.
2546 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
2547 Don't lose if tsize is zero after handling large stack for mips16.
2548 * mips.md (return): For trivial return, return address is in $31.
2550 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
2552 * mips/mips16.S: Various changes to make it work with -msingle-float
2555 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
2556 Ian Lance Taylor <ian@cygnus.com>
2557 Jeff Law <law@cygnus.com>
2559 * mips.c, mips.h, mips.md: First cut at merging in mips16
2560 support. Major modifications throughout all three files.
2562 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
2564 * configure.in: Make gthr-default.h a forwarding header instead of
2567 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2569 * gcov-io.h: Include sys/types.h to ensure we get size_t.
2571 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
2573 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
2574 Jeffrey A Law (law@cygnus.com)
2576 * crtstuff.c (__frame_dummy): New function for irix6.
2577 (__do_global_ctors): Call __frame_dummy for irix6.
2578 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
2580 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
2582 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
2584 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
2586 * c-decl.c (init_decl_processing): Provide proper fallback symbol
2587 for __builtin_memset.
2588 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
2589 not INTEGER_CST. Assert arg 3 is a constant.
2591 * alpha.c (mode_width_operand): Accept 64-bit modes.
2592 (mode_mask_operand): Likewise.
2593 (print_operand): Likewise for 'M' and 'U' codes.
2594 (alpha_expand_unaligned_load): New function.
2595 (alpha_expand_unaligned_store): Likewise.
2596 (alpha_expand_unaligned_load_words): Likewise.
2597 (alpha_expand_unaligned_store_words): Likewise.
2598 (alpha_expand_block_move): Likewise.
2599 (alpha_expand_block_clear): Likewise.
2600 * alpha.h (MOVE_RATIO): New define.
2601 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
2602 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
2604 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
2605 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
2607 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
2609 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
2610 * configure: Update.
2612 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
2614 * emit-rtl.c (operand_subword): Correctly handle extracting a word
2615 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
2617 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
2620 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
2622 * configure.in: Set and subsitute host_exeext. Use it when creating
2623 the assembler and linker symlinks.
2624 * configure: Rebuild.
2625 * Makefile.in (exeext): Set to @host_exeext@.
2626 (build_exeext): New variable, set to @build_exeext@.
2627 (FLAGS_TO_PASS): Pass down build_exeext.
2628 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
2631 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
2633 * mn10200.md (addsi3, subsi3): Fix thinkos.
2635 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
2637 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
2638 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
2639 unix always, since we want to be able to thunk to functions in a
2640 shared library from an application.
2642 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
2644 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
2645 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
2647 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
2649 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
2650 offset's mode is not ptr_mode, convert it.
2652 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
2654 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
2655 compiling if it was already defined.
2657 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
2659 * flow.c (find_basic_blocks): Don't create a new basic block
2660 for calls in a LIBCALL block.
2662 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
2664 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
2666 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
2668 * cse.c (rtx_cost): Remove conflicting default case.
2670 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
2672 * configure.in: Move default enabling of Haifa out of for loop.
2673 * configure: Rebuild.
2675 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
2677 * version.c: Bump for snapshot.
2679 1997-12-25 Teemu Torma <tot@trema.com>
2681 * Makefile.in (GTHREAD_FLAGS): New var.
2682 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
2683 (distclean): Remove gthr-default.h.
2685 * configure.in: Accept dce as a thread package.
2686 Check for thread.h and pthread.h.
2687 Link gthr-default.h to appropriate thread file and set
2689 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
2690 include multilib definitions from pa/t-dce-thr.
2691 (sparc-*-solaris2*): Enable threads by default, if thread.h or
2692 pthread.h is found, preferring posix threads over solaris ones.
2694 * config/pa/t-dce-thr: New file.
2695 * config/pa/t-pa: Removed multilibs.
2696 * config/sparc/t-sol2: Ditto.
2699 * gthr-single.h: New file.
2700 * gthr-posix.h: New file.
2701 * gthr-solaris.h: New file.
2702 * gthr-dce.h: New file.
2703 * libgcc-thr.h: Removed.
2704 * objc/thr-dce.c: New file copied from thr-decosf1.c.
2706 * frame.c: Include gthr.h instead of libgcc-thr.h.
2707 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
2708 (eh_context_initialize): If __gthread_once fails, use static eh
2710 (eh_context_free): Call __gthread_key_dtor.
2712 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
2714 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
2716 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
2718 * cse.c (max_insn_uid): New variable.
2719 (cse_around_loop): Use max_insn_uid.
2720 (cse_main): Set max_insn_uid.
2722 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
2723 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
2724 -mlong64, and -mgp{32,64} options.
2725 * mips.c (mips_abi): Change type to int.
2726 * mips.h (enum mips_abi_type): Delete.
2727 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
2728 (mips_abi): Change type to int.
2730 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
2732 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
2733 optimization is now always enabled.
2735 * calls.c (expand_call): Recognize C++ operator new as malloc-like
2738 * alias.c (memrefs_conflict_p): Eliminate tests now done by
2740 (*_dependence): Call canon_rtx before base_alias_check.
2741 (init_alias_once): New function to precompute set of registers which
2742 can hold Pmode function arguments.
2744 * rtl.h: Declare init_alias_once.
2746 * toplev.c (compile_file): Call init_alias_once.
2748 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
2750 * tree.c (restore_tree_status): Do not dereference a null pointer.
2752 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
2754 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
2755 RLIMIT_STACK. This maintains consistency with the recent, similar
2756 patch to cccp.c and toplev.c.
2758 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
2760 * genattrtab.c (expand_units): For large nr opclasses, expand
2761 function_units_used with ORX to prevent blowups. Tag with FFS.
2762 (num_unit_opclasses): New variable.
2763 (gen_unit): Update it.
2764 (enum operator): Add ORX_OP.
2765 (operate_exp): Treat ORX as or, except don't expand across an if.
2766 Reuse number rtx's after operating on them.
2767 (check_attr_value): Accept IOR, AND, & FFS.
2768 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
2769 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
2770 (write_expr_attr_cache, write_toplevel_expr): New functions.
2771 (write_attr_get): Handle FFS-tagged expressions.
2772 (make_canonical): Don't expand const attributes.
2773 (convert_const_symbol_ref): Dike out.
2774 (evaluate_eq_attr): Handle SYMBOL_REF.
2775 (main): Don't emit get_attr_foo for const attributes.
2777 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
2778 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
2779 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
2780 * alpha.md: Redo all of the scheduling, adding EV6 support, and
2781 combining function units where possible.
2782 (attr "type"): Split loads, stores, cmov into int/fp. Combine
2783 multiplies and divides. Add EV6 sqrt, ftoi, itof.
2784 (attr "opsize"): New attribute.
2785 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
2786 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
2787 to control register allocation.
2788 (movsi2-1, movdi2-1): Likewise.
2790 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
2792 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
2793 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
2794 Move OSF/1 specific defines out.
2795 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
2796 Move Linux specific defines out.
2797 (LINK_SPEC): Genericize.
2798 (ASM_FILE_START): Emit .arch if using more than the base insn set.
2799 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
2800 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
2801 (HANDLE_SYSV_PRAGMA): Define.
2802 * alpha/osf.h: New file.
2803 * alpha/linux.h: Split. Retain file-format independant defines.
2804 Import Linux bits from elf.h.
2805 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
2806 (FUNCTION_PROFILER): _mcount takes its address in $28.
2807 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
2808 * alpha/linux-ecoff.h: New file.
2809 * alpha/linux-elf.h: New file.
2810 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
2811 * alpha/win-nt.h (TARGET_DEFAULT): Define.
2812 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
2813 Add new headers as appropriate.
2815 * configure.in (alpha*): Enable Haifa by default.
2816 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
2817 * configure: Rebuild.
2819 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
2821 * Makefile.in (clean): Remove the stages with their objects here ...
2822 (distclean): ... instead of here.
2824 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2826 * cse.c (rtx_cost): Add default case in enumeration switch.
2827 * fix-header.c (recognized_macro): Likewise.
2828 (recognized_extern): Likewise.
2829 (write_rbrac): Likewise.
2830 * objc/objc-act.c (encode_aggregate): Likewise.
2831 (gen_declarator): Likewise.
2832 (gen_declspecs): Likewise.
2834 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
2836 * haifa-sched.c (create_reg_dead_note): Detect and handle another
2837 case where we kill more regs after sched than were killed before
2839 * sched.c (create_reg_dead_note): Similarly.
2841 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
2843 * c-pragma.c: Include flags.h.
2845 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
2847 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
2848 about system headers.
2849 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
2850 and also to resolve symbols in prefix.c.
2852 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
2853 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
2854 when the definitions in auto-config.h is not visible.
2855 (HAVE_BZERO): Likewise.
2856 (HAVE_BCMP): Likewise.
2857 (HAVE_RINDEX): Likewise.
2858 (HAVE_INDEX): Likewise.
2860 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
2862 * pa.c (emit_move_sequence): Handle a function label source
2865 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
2867 * c-pragma.c (handle_pragma_token): Generate warning messages
2868 about unknown pragmas if warn_unknown_pragmas is set.
2870 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
2871 line option to set variable: warn_unknown_pragmas.
2873 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
2875 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
2877 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
2879 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
2881 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
2882 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
2883 generate more fine grained floating point emulation libraries.
2884 * config/fp-bit.c: Add protecting #ifdef to all functions so
2885 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
2886 then compile all suitable functions.
2887 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
2888 underscores to avoid namespace pollution.
2889 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
2891 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
2895 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2896 Jeff Law <law@cygnus.com>
2898 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
2900 * c-decl.c (finish_decl): Use parentheses around && within ||.
2901 * rtl.c: Include stdlib.h.
2902 (read_skip_spaces): Add parentheses around assignments used as
2904 (read_rtx): Initialize list_rtx.
2905 * cppexp.c (parse_number): Use || when operands are truth values.
2906 * alias.c (find_base_value): Add default case.
2907 (memrefs_conflict): Likewise.
2908 * combine.c (sets_function_arg_p): Likewise.
2909 * genemit.c (gen_exp): Likewise.
2910 * local-alloc.c (contains_replace_regs): Likewise.
2911 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
2912 * fold-const.c (fold_convert): Use "&&" for truth values.
2913 (fold): Add default case.
2914 * sdbout.c (sdbout_field_types): Fix typo in declaration.
2915 (sdbout_one_type): Add default case.
2916 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
2917 (some_operand): Add default case.
2918 (input_operand): Likewise.
2919 (signed_comparison_operator): Likewise.
2920 (divmod_operator): Likewise.
2921 (alpha_set_memflags_1): Likewise.
2922 * reload1.c (reload_cse_simplify_operands): Ensure function
2923 always returns a value.
2924 * scan-decls.c (scan_decls): Likewise.
2925 * c-lex.c (skip_white_space): Fix typo in declaraion.
2926 * c-typeck.c (comp_target_types): Add parentheses around assignment
2927 used as truth value.
2928 (print_spelling): Likewise.
2929 (constructor_implicit, constructor_result): Remove unused variables.
2930 * collect2.c (scan_library): Protect prototype with
2931 #ifdef SCAN_LIBRARIES.
2932 * emit-rtl.c (find_line_note): Fix typo in declaration.
2933 * final.c (asm_insn_count): Protect prototype with
2934 #ifdef HAVE_ATTR_length.
2935 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
2936 (try_pre_increment_1, try_pre_increment): Likewise.
2937 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
2938 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
2939 * gcov-io.h (__store_long, __write_long, __read_long): Fix
2940 unsigned/signed comparisons.
2941 * gcov.c (read_files): Remove unused "first_type" variable.
2942 (scan _for_source_files): Initialize s_ptr.
2943 (function_summary): Eliminate "%lf" formatting, use %ld for
2945 (output_data): Initialize branch_probs and last_line_num.
2946 Eliminate "%lf" formatting, use "%ld" for longs.
2948 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
2950 * mips16.S: New file.
2952 * libgcc2.c (varargs): Handle mips16.
2954 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
2956 * stmt.c (expand_end_case): Likewise.
2957 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
2958 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
2959 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
2961 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2963 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
2964 the build directory.
2965 (libobjc.a): Update dependency list.
2966 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
2968 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
2969 (objc.mostlyclean): Remove runtime-info.h.
2971 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
2973 * tree.c (build_range_type): Allow creation of ranges with no maximum.
2974 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
2975 * dwarf2out.c (add_subscript_info): Likewise.
2976 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
2977 * sdbout.c (plain_type_1): Likewise.
2978 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
2980 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
2983 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2985 * mips.c (fatal): Remove declaration.
2987 1997-12-18 Mark Mitchell <mmitchell@usa.net>
2989 * integrate.c (get_label_from_map): New function.
2990 (expand_inline_function): Use it. Initialize the label_map to
2991 NULL_RTX instead of gen_label_rtx.
2992 (copy_rtx_and_substitute): Use get_label_from_map.
2993 * integrate.h (get_label_from_map): New function.
2994 (set_label_from_map): New macro.
2995 * unroll.c (unroll_loop): Use them.
2996 (copy_loop_body): Ditto.
2998 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
3000 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
3001 (INIT_TARGET_OPTABS): Define.
3002 * mips/ecoff.h: Include gofast.h before mips.h.
3003 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
3004 * mips/elf64.h: Likewise.
3005 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
3007 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
3009 * except.c: Remove register_exception_table{,_p}.
3011 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
3013 * unroll.c (calculate_giv_inc): Handle constant increment found in
3014 a MEM with an appropriate REG_EQUAL note.
3016 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
3018 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
3019 frame pointer in the prologue.
3021 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
3023 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
3024 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
3026 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
3028 * config/m68k/m68k.c (output_function_prologue): Typecast
3029 dwarf2out_cfi_label to (char *).
3030 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
3032 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
3034 * sparc.md (jump): Don't use the annul bit around an empty loop.
3035 Patch from Kevin.Kelly@East.Sun.COM.
3037 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
3039 * jump.c: (jump_optimize): Don't use the return register as a
3040 source1 of a conditional move.
3042 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
3044 * sparc.c (DF_MODES): Or the mask not the bit number.
3045 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
3047 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3049 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
3051 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
3053 * fixincludes (size_t): Add support for Motorola's stdlib.h
3054 which fails to provide a definition for size_t.
3055 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
3056 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
3057 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
3059 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
3060 prevent unresolved externals in libio.
3061 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
3063 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
3065 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
3066 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
3067 (LIB_SPEC): Updated for glibc 2.
3069 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
3071 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
3072 * ginclude/varargs.h: Likewise.
3074 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
3076 * version.c: Bump for snapshot.
3078 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
3080 * frame.h (__register_frame, __register_frame_table,
3081 __deregister_frame): New.
3082 * frame.c (__register_frame, __register_frame_table,
3083 __deregister_frame): New.
3084 * frame.c (__deregister_frame_info): Return void *.
3085 * frame.h (__deregister_frame_info): Ditto.
3086 * collect2.c (__deregister_frame_info): Ditto.
3088 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
3090 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
3092 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
3094 * alpha.c (alpha_cpu_name): New variable.
3095 (alpha_mlat_string): Likewise.
3096 (alpha_memory_latency): Likewise.
3097 (override_options): Handle -mmemory-latency.
3098 (alpha_adjust_cost): Adjust load cost for latency.
3099 * alpha.h (TARGET_OPTIONS): Add meory-latency.
3100 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
3101 TARGET_CIX into account.
3102 (MEMORY_MOVE_COST): Define in terms of memory_latency.
3103 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
3105 * alpha.h (ASM_COMMENT_START): New macro.
3107 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
3109 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
3110 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
3112 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
3113 SUBREG_REG if the word count is unchanged.
3114 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
3115 subregs of identical word size for push_reload.
3117 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
3119 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
3120 if all we're doing is dealing with -Wreturn-type.
3122 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
3124 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
3125 Use and 255 instead of zapnot 1, since it schedules better.
3127 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
3129 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
3132 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
3134 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
3135 dependency we delete. Properly update prev for multiple consecutive
3137 (priority): Skip deleted dependence.
3139 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
3141 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
3143 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
3145 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
3146 determining when a new basic block starts.
3148 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
3150 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
3151 * pa.md (iorsi3): Add missing args to *_operand calls.
3153 * except.c (call_get_eh_context): Don't mess with sequences.
3154 (emit_eh_context): Include the call in the sequence here.
3156 1997-12-11 Paul Eggert <eggert@twinsun.com>
3158 * collect2.c (write_c_file_glob): Allocate initial frame object
3159 in static storage and pass its address.
3161 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
3163 * except.c (call_get_eh_context): Don't take a parm.
3164 Put the call at the top of the function.
3165 (emit_eh_context): Adjust.
3166 (get_eh_context): Replace with former use_eh_context.
3167 (get_eh_context_once, get_saved_pc_ref): Remove.
3168 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
3170 * integrate.c (expand_inline_function): Adjust.
3171 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
3173 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
3175 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
3176 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
3178 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
3180 * fixincludes (strlen,strspn,strcspn return value): Handle different
3182 (hypot): Provide a fake for hypot which is broken on
3183 m88k-motorola-sysv3.
3185 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
3187 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
3188 tree_code_name from pointers to arrays.
3189 * tree.c: Remove standard_tree_code_* variables, no longer used.
3190 * print-tree.c: Remove declaration of tree_code_name.
3192 * cp/lex.c (init_lex): Update for tree_code_* changes.
3193 * objc/objc-act.c (init_objc): Likewise.
3195 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
3198 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
3200 * config.sub: Add support for BeOS target.
3201 * configure.in: Likewise.
3202 * ginclude/stdarg.h: Likewise.
3203 * ginclude/stddef.h: Likewise.
3204 * ginclude/varargs.h: Likewise.
3205 * rs6000/beos.h: New file for BeOS.
3206 * rs6000/t-beos: Likewise.
3207 * rs6000/x-beos: Likewise.
3208 * rs6000/xm-beos.h: Likewise.
3209 * toplev.c (get_run_time): Just return 0 on BeOS.
3211 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
3212 Toon Moene (toon@moene.indiv.nluug.nl)
3214 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
3215 old and broken Sun3 assemblers. Newer versions handle large
3216 offsets correctly as does the GNU assembler.
3218 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3220 * objc/objc-act.c (lang_report_error_function): Disable.
3221 * objc/objc-parse.y: Include "output.h".
3222 (yyerror): Remove redundant decl.
3223 (yyprint): Fix prototype.
3224 (apply_args_register_offset): Remove redundant decl.
3225 (get_file_function_name): Likewise.
3227 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
3229 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
3231 (find_basic_blocks_1): Likewise.
3233 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
3235 * except.c (use_eh_context): Don't copy_rtx a REG.
3236 (emit_throw): Lose old unwinder support.
3237 (expand_internal_throw): Likewise.
3238 * libgcc2.c (struct eh_context): Likewise.
3239 (new_eh_context): Likewise.
3240 (__get_eh_info): Lose redundant cast.
3241 (__get_dynamic_handler_chain): Likewise.
3242 (__get_saved_pc): Lose.
3243 Lose all old unwinder support code.
3245 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
3247 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
3249 * integrate.c (expand_inline_function): If the inline fn uses eh
3250 context, make sure that the current fn has one.
3251 * toplev.c (rest_of_compilation): Call emit_eh_context.
3252 * except.c (use_eh_context): New fn.
3253 (get_eh_context_once): New fn.
3254 (call_get_eh_context): New fn.
3255 (emit_eh_context): New fn.
3256 (get_eh_context): Call either get_eh_context_once or
3257 call_get_eh_context, depending on what we have.
3258 (get_dynamic_handler_chain): Call get_eh_context_once.
3259 * except.h: Prototypes for fns above.
3260 * optabs.c (get_eh_context_libfunc): Removed.
3261 (init_optabs): Don't initialize it.
3262 * expr.h (get_eh_context_libfunc): Removed.
3263 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
3264 * config/pa/pa.h (CPP_SPEC): Support for -threads.
3265 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
3266 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
3267 New multilib for -threads.
3268 * config/sparc/t-sol2: Added multilibs for -threads and
3269 made -pthreads alias to it.
3270 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
3271 Added -threads and -pthreads options.
3272 * libgcc-thr.h: New file.
3273 * libgcc2.c: (__get_cpp_eh_context): Removed.
3274 (struct cpp_eh_context): Removed.
3275 (struct eh_context): Replaced cpp_eh_context with generic language
3277 (__get_eh_info): New function.
3278 (__throw): Check eh_context::info.
3280 * libgcc2.c: Include libgcc-thr.h.
3281 (new_eh_context, __get_eh_context,
3282 eh_pthread_initialize, eh_context_initialize, eh_context_static,
3283 eh_context_specific, eh_context_free): New functions.
3284 (get_eh_context, eh_context_key): New variables.
3285 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
3286 get_eh_context to get the context.
3287 (longjmp): Move the declaration inside
3288 #ifdef DONT_USE_BUILTIN_SETJMP.
3289 * frame.c: Include libgcc-thr.h.
3290 (object_mutex): Mutex to protect the object list.
3291 (find_fde, __register_frame, __register_frame_table,
3292 __deregister_frame): Hold the lock while accessing objects.
3293 * except.h (get_eh_context): Declare.
3294 * except.c (current_function_ehc): Define.
3295 (current_function_dhc, current_function_dcc): Removed.
3296 (get_eh_context): New function.
3297 (get_dynamic_handler_chain): Use get_eh_context.
3298 (get_saved_pc_ref): Ditto.
3299 (get_dynamic_cleanup_chain): Removed references to
3300 current_function_dcc.
3301 (save_eh_status, restore_eh_status): Save and restore
3302 current_function_ehc instead.
3303 * optabs.c (get_eh_context_libfunc): New variable.
3304 (init_optabs): Initialize it.
3305 * expr.h: Declare get_eh_context_libfunc.
3306 * function.h (struct function): Replaced dhc and dcc with ehc.
3307 * except.c (get_saved_pc_ref): New functions.
3308 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
3309 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
3311 (end_eh_unwinder): Likewise.
3312 (init_eh): Remove initialization of eh_saved_pc.
3313 * optabs.c (get_saved_pc_libfunc): New variable.
3314 (init_optabs): Initialize it.
3315 * expr.h: Declare get_saved_pc_libfunc.
3316 * except.h (eh_saved_pc_rtx): Deleted.
3317 (get_saved_pc_ref): Declared.
3319 From Scott Snyder <snyder@d0sgif.fnal.gov>:
3320 * libgcc2.c (__get_saved_pc): New.
3321 (__eh_type, __eh_pc): Deleted.
3322 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
3323 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
3326 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
3328 * sparc/sol2.h: Use 64 bit multiply and divide functions in
3329 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
3332 * rtl.h (global_rtl): New variable, replacing separate variables for
3334 (const_int_rtx): Now array of rtx_def, not rtx.
3335 * emit-rtl.c: Update for new rtl data structures.
3336 * genattrtab.c: Define global_rtl.
3338 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
3340 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
3343 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
3345 * crtstuff.c (__do_global_ctors): Fix typo.
3347 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
3349 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
3350 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
3352 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
3354 * rs6000.h (FUNCTION_ARG_PADDING): Define.
3355 * rs6000.c (function_arg_padding): New function.
3357 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
3359 * m68k.c: Include tree.h only once.
3361 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3363 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
3365 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
3367 * Partially cleaned up prototyping code from HJ.
3368 * tree.h: Add many prototypes.
3369 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
3370 All references changed.
3371 * rtl.h: Protect from multiple inclusions. Add many prototypes.
3373 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
3375 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
3376 string functions like strlen.
3378 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
3380 * configure.in: Check for functions getrlimit and setrlimit.
3381 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
3382 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
3384 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
3386 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
3388 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
3390 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
3393 * alpha.c (override_options): Don't know about scheduling for EV6.
3394 * alpha.md (ev5 function units): Don't overload as ev6.
3396 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
3397 * alpha.md (define_attr type): Add mvi.
3398 (ev5_e0): Define sceduling parameters for it.
3399 (TARGET_MAX insns): Type is mvi not shift.
3401 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
3403 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
3405 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3407 * cstamp-h, auto-config.h: Delete.
3409 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
3411 * version.c: Bump for snapshot.
3413 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
3415 * cccp.c: Fix typo brought over in merge.
3417 * Merge in changes from gcc-2.8.
3419 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
3421 * m68k.c: Include tree.h for dwarf2out_cfi_label.
3423 * gcc.c (process_command): Do not take address of function fatal when
3424 calling lang_specific_driver.
3426 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
3428 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
3429 doesn't work with it yet, so set it to 0.
3430 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
3432 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3434 * cse.c (cse_insn): Check for invalid entries when taking references.
3436 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3438 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
3439 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
3440 * toplev.c (rest_of_compilation): Pass it. Remove code to
3441 save / clear / restore flag_unroll_{,all_}loops.
3443 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
3445 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
3447 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
3449 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
3451 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
3453 * except.c (get_dynamic_handler_chain): Only make the call once per
3456 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
3458 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3460 * sh.c (final_prescan_insn): Use local label prefix
3461 when emitting .uses pseudo-ops.
3463 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3465 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
3466 * except.c: Lose outer_context_label_stack.
3467 (expand_eh_region_end): Rethrow from outer_context here.
3468 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
3469 (expand_internal_throw): Take no args.
3470 (expand_internal_throw_indirect): Lose.
3471 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
3472 (expand_start_all_catch): Start a rethrow region.
3473 (expand_end_all_catch): End it.
3474 (expand_rethrow): New fn.
3475 * except.h: Reflect above changes.
3476 * flow.c: Revert change of Nov 27.
3478 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
3480 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
3482 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3484 * except.c (expand_fixup_region_end): New fn.
3485 (expand_fixup_region_start): Likewise.
3486 (expand_eh_region_start_tree): Store cleanup into finalization here.
3487 * stmt.c (expand_cleanups): Use them to protect fixups.
3489 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
3491 * mips/mips.md (muldi3_r4000): Broaden the output template
3492 and attribute assignments to handle three operand dmult;
3493 rename to muldi3_internal2.
3494 (muldi3): Call the new muldi3_internal2 for R4000, and
3495 any GENERATE_MULT3 chip.
3497 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
3499 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
3501 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
3503 * unroll.c (find_splittable_givs): Remove last change. Handle givs
3504 with a dest_reg that was created by loop.
3506 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
3508 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
3510 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
3512 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
3514 * configure.in: Fix NCR entries.
3516 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
3518 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
3519 nested exceptions correctly.
3521 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
3522 that was created by loop.
3524 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3526 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
3528 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
3530 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
3532 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
3533 (print_operand): Use SMALL_DATA_REG for the register involved in
3534 small data relocations.
3535 (print_operand_address): Ditto.
3537 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
3538 -dynamic linker is not used.
3540 * rs6000.md (call insns): For local calls, use @local suffix under
3541 System V. Don't use @plt under Solaris.
3543 * rs6000.c (output_function_profiler): Put label address in r0, and
3544 store LR in 4(sp) for System V/eabi.
3546 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
3547 byte boundary, and maintain stack backchain.
3549 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
3551 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
3552 fix_truncsfdi2): Change *.
3554 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
3556 * toplev.c (main): Complain about -gdwarfn.
3558 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
3560 * dwarfout.c (output_type): If finalizing, write out nested types
3561 of types we've already written.
3563 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
3565 (patches originally from Geoffrey Keating)
3566 * rs6000.c (function_arg): Excess floating point arguments don't
3567 go into GPR registers after exhausting FP registers under the
3569 (function_arg_partial_nregs): Ditto.
3571 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
3574 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
3576 * integrate.c (output_inline_function): Just unset DECL_INLINE.
3578 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
3580 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
3583 * libgcc2.c (__throw): Initialize HANDLER.
3585 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
3587 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
3588 fix_truncsfdi2): Change *X to ?*X.
3590 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
3592 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
3594 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
3596 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
3598 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
3600 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
3602 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
3604 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
3605 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
3608 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
3610 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
3611 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
3612 gas and not using the new HP assembler.
3614 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
3616 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
3617 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
3619 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
3621 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
3622 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
3625 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3627 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
3629 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3631 * except.h: Add outer_context_label_stack.
3632 * except.c: Likewise.
3633 (expand_start_all_catch): Push the outer_context for the try block
3634 onto outer_context_label_stack.
3635 (expand_end_all_catch): Use it and pop it.
3637 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
3639 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
3641 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
3643 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
3645 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
3647 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
3648 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
3650 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
3652 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
3653 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
3654 __builtin_delete, and __builtin_vec_delete.
3656 * except.c (output_exception_table): Don't bother with
3659 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
3661 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
3662 is an in/out operand.
3663 (zero extended variants of stwm/stwm patterns): Similarly.
3665 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
3667 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
3669 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
3671 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
3672 (output_call_frame_info): Emit a \n after using it.
3674 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
3676 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
3678 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
3680 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
3681 (ASM_OUTPUT_DWARF_VALUE4): New macro.
3682 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
3684 (output_call_frame_info): Do not output forward label differences
3685 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
3686 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
3688 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3690 * sh.md (attribute "type"): Add nil.
3691 (movsi_ie): y/y alternative is type nil.
3692 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
3694 (movsf_ie+1): Delete.
3696 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
3698 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
3699 large_int, emit two insns instead of one splitable insn.
3700 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
3701 from cfa_temp_value, use cfa_offset. Add assert checking that
3704 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
3706 * cccp.c (deps_output): Properly quote file names for make.
3708 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
3710 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
3712 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
3714 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
3716 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
3718 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
3720 (cse_end_of_basic_block): Similarly.
3722 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
3724 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
3725 (SELECT_RTX_SECTION): Define.
3726 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
3728 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
3730 * Makefile.in (compare, compare-lean): Define $stage for each
3732 (gnucompare, gnucompare-lean): Likewise.
3734 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
3736 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
3738 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
3739 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
3741 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
3743 * dwarfout.c (byte_size_attribute): Add local var upper_bound
3744 and add case to handle STRING_TYPE.
3745 * dwarfout.c (output_string_type_die): Fix code to generate
3746 correct string length attribute for fixed length strings.
3747 Still needs support for varying length strings.
3749 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
3751 * toplev.c (get_run_time): Do something sensible for cygwin32.
3753 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
3755 * expr.c (expand_builtin_setjmp): Set
3756 current_function_has_nonlocal_label.
3757 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
3758 call-saved registers across calls.
3760 * alpha.md (exception_receiver): Remove.
3761 (nonlocal_goto_receiver_osf): New
3762 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
3763 (nonlocal_goto_receiver): New, select _osf or _vms.
3765 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
3766 keep them from being propogated to the object file.
3767 (alpha_write_linkage): Likewise.
3768 * alpha.md (call_vms): Likewise.
3769 (call_value_vms): Likewise.
3770 (unnamed osf call insns): Likewise.
3772 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
3773 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3775 * alpha.c (call_operand): Any reg is valid for WinNT.
3776 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
3777 (anon nt calls): Add 'R' alternative.
3778 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
3779 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
3781 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
3783 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
3785 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
3786 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
3787 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
3789 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
3791 * reload1.c (new_spill_reg): Improve fixed or forbidden register
3792 spill error message.
3794 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3796 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
3797 use varargs.h. Wrap header with <>, not "".
3799 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
3801 * integrate.c (save_for_inline_copying): Add return value from
3804 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
3806 * fixincludes: Be a little more restrictive on what we will
3807 substitute to replace definitions of MAXINT for HPUX.
3809 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
3811 * dbxout.c (dbxout_symbol_location): Don't assume that variables
3812 whose address is the stack or argument pointers are indirect
3815 1997-11-13 Paul Eggert <eggert@twinsun.com>
3817 * cccp.c, cpplib.c (compare_defs):
3818 Don't complain about arg name respellings unless pedantic.
3819 * cpplib.c (compare_defs): Accept pfile as new arg.
3820 All callers changed.
3822 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3824 * fold-const.c (fold_truthop): Fix bug in last change.
3826 1997-11-13 Paul Eggert <eggert@twinsun.com>
3828 Fix some confusion with IEEE minus zero.
3830 * real.h (REAL_VALUES_IDENTICAL): New macro.
3832 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
3833 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
3835 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
3836 same tree structure as 0.0.
3838 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
3839 macro instead of doing it by hand.
3841 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
3843 * v850/lib1funcs.asm: Minor whitespace changes.
3844 * v850.c: Fix minor formatting problems in many places.
3845 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
3847 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
3849 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
3850 xplus1 when xplus0 is not a register.
3852 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
3854 * flow.c (find_basic_blocks): During marking phase, if we encounter
3855 an insn with a REG_LABEL note, make the target block live and
3856 create an edge from the insn to the target block. Do not make
3857 edges from all blocks to the target block.
3859 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
3861 * confiugre.in: Tweak NCR entries.
3862 * configure: Rebuilt.
3864 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
3866 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
3867 pick apart floating point values, instead of using CONST_DOUBLE_LOW
3868 and CONST_DOUBLE_HIGH.
3870 * rs6000.md (define_splits for DF constants): Use the appropriate
3871 REAL_VALUE_* interface to pick apart DF floating point constants in
3872 a machine independent fashion.
3874 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3876 * fold-const.c (fold_truthop): When changing a one-bit comparison
3877 against zero into a comparison against mask, do a proper sign
3880 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
3882 * except.c: Do not include "assert.h".
3883 (save_eh_status): Turn asserts into conditional aborts.
3884 (restore_eh_status, scan_region): Likewise.
3885 * dwarfout.c: Do not include "assert.h".
3886 (bit_offset_attribute): Turn asserts into conditional aborts.
3887 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
3888 (output_inlined_structure_type_die): Likewise.
3889 (output_inlined_union_type_die): Likewise
3890 (output_tagged_type_instantiation): Likewise.
3891 (dwarfout_file_scope_decl): Likewise.
3892 * dwarf2out.c: Do not include "assert.h"
3893 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
3894 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
3895 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
3896 (add_bit_size_attribute, scope_die_for): Likewise.
3897 (output_pending_types_for_scope): Likewise.
3898 (get_inlined_enumeration_type_die): Likewise.
3899 (get_inlined_structure_type_die): Likewise.
3900 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
3901 (gen_tagged_type_instantiation_die): Likewise.
3903 * flow.c (find_basic_blocks): Refine further to get a more correct
3904 cfg, especially in the presense of exception handling, computed
3905 gotos, and other non-trivial cases. Call abort if an inaccuracy
3906 is detected in the cfg.
3908 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3910 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
3912 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
3913 (skip_white_space): Use whitespace_cr.
3914 (check_newline): Handle whitespace more consistently.
3916 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
3918 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
3919 * i386/xm-cygwin32.h (POSIX): Define.
3921 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
3923 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
3924 is available elsewhere.
3926 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
3928 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
3929 what the instruction can handle.
3931 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
3933 * stmt.c (expand_decl_cleanup_no_eh): New fn.
3935 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
3937 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
3939 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
3940 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
3942 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
3944 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
3945 swap instruction order.
3947 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
3949 * fixinc.svr4 (__STDC__): Add another case.
3951 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3953 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
3954 addresses in the epilogue delay slot.
3956 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
3958 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
3959 in generated `specs' file.
3961 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
3963 * flags.h (flag_rerun_loop_opt): Declare.
3964 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
3965 * toplev.c (flag_rerum_loop_opt): Delete static.
3967 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3969 Bring over from FSF:
3971 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3973 * va-sh.h (__va_arg_sh1): Define.
3975 SH3E doesn't use any integer registers for subsequent arguments
3976 once a non-float value was passed in the stack.
3977 * sh.c (machine_dependent_reorg): If optimizing, put explicit
3978 alignment in front label for ADDR_DIFF_VEC.
3979 * sh.h (PASS_IN_REG_P): Fix SH3E case.
3980 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
3982 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3984 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
3987 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3989 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
3990 put an use_sfunc_addr before each sfunc.
3991 * sh.md (use_sfunc_addr, dummy_jump): New insns.
3992 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
3994 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3996 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
3998 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
4000 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
4003 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
4005 * alias.c (find_base_value): Only return the known base value for
4008 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
4010 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
4011 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
4013 (prologue_get_pc_and_set_got): New pattern.
4015 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
4017 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
4018 for SUBREG, just fall through.
4020 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
4022 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
4024 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
4026 * fixincludes: Fix "hypot" prototype in NeXT math.h.
4028 * Makefile.in (USE_ALLOCA): Always include alloca.o.
4029 (USE_HOST_ALLOCA): Likewise.
4031 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
4032 and LABEL_REFS fields.
4033 * rtl.h (LABEL_REFS): Update.
4035 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
4037 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
4038 sets i2dest. When calling distribute_notes for i3dest_killed, pass
4039 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
4042 * mips.md (insv, extzv, extv): Add change_address call.
4043 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
4045 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
4047 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
4049 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
4050 save_restore_insns if no FP and GP will be restored.
4052 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
4053 Convert CCmode to word_mode before calling GET_MODE_SIZE.
4055 * acconfig.h (HAVE_INTTYPES_H): Undef.
4056 * configure.in (inttypes.h): Check for conflicts between sys/types.h
4057 and inttypes.h, and verify that intmax_t is defined.
4058 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
4059 * config/mips/x-iris3: Likewise.
4061 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
4063 * alias.c (find_base_value): When copying arguments, return the
4064 tenative value for a hard register.
4066 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
4068 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
4069 (yylex): Record wide strings using target endianness, not host.
4071 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
4073 * mn10200.h (ASM_OUTPUT_BSS): Delete.
4074 (ASM_OUTPUT_ALIGNED_BSS): New macro
4075 * mn10300.h (ASM_OUTPUT_BSS): Delete.
4076 (ASM_OUTPUT_ALIGNED_BSS): New macro.
4077 * v850.h (ASM_OUTPUT_BSS): Delete.
4078 (ASM_OUTPUT_ALIGNED_BSS): New macro.
4080 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4082 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
4084 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
4086 * configure.in (sco5): Use cpio to install header files.
4088 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
4090 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
4092 * configure: Rebuild.
4094 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
4096 * i386/sco5.h: enable -gstabs once again.
4098 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
4100 * arm.c (output_move_double): Allocate 3 entries in otherops array.
4102 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
4104 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
4105 notes for sjlj exceptions too.
4106 (expand_eh_region_end): Similarly for EH_REGION_END notes.
4107 (exception_optimize): Optimize EH regions for sjlj exceptions too.
4108 * final.c (final_scan_insn): Don't output labels for EH REGION
4109 notes if doing sjlj exceptions.
4111 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
4113 * alias.c (init_alias_analysis): Handle -fno-alias-check when
4114 optimizing correctly.
4116 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
4117 or set current_function_calls_setjmp anymore.
4119 * flow.c (find_basic_blocks): If we delete the label for an
4120 exception handler, remove it from the EH label list and remove
4121 the EH_BEGIN/EH_END notes for that EH region.
4123 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
4125 * flow.c (find_basic_blocks): Generate correct flow control
4126 information when exception handling notes are present.
4128 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
4130 * dwarf2out.c (output_call_frame_info): Fix length argument
4131 to ASM_OUTPUT_ASCII.
4132 (output_die, output_pubnames, output_line_info): Likewise.
4134 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
4136 * version.c: Bump for snapshot.
4138 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
4139 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
4140 flag_debug_asm is on.
4141 (output_die, output_pubnames, output_line_info): Likewise.
4143 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
4144 and static_chain_rtx into the potential base values array if
4147 * alias.c (new_reg_base_value): New array of potential base values.
4148 (unique_id): Now file scoped static.
4149 (find_base_value, case REG): Return the value in reg_base_value
4150 array for the REG if it exists. Else, return the value from
4151 new_reg_base_value if copying args and REG is a hard register.
4152 (find_base_value, case PLUS): If either operand of the PLUS is
4153 a REG, try to get its base value. Handle base + index and
4155 (record_set): Use new_reg_base_value instead of reg_base_value.
4156 (init_alias_analysis): Allocate space for new_reg_base_value too.
4157 Rework code to iterate over the insns propagating base value
4158 information until nothing changes.
4160 * global.c (global_alloc): Free the conflict matrix after
4161 reload has finished.
4163 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
4165 * libgcc2.c (L_eh): Define __eh_pc.
4166 Replace __eh_type with generic pointer __eh_info.
4168 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
4170 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
4171 use copy_to_reg if address is not a general_operand.
4173 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4175 * profile.c (output_func_start_profiler): Clear flag_inline_functions
4176 for the duration of the call to rest_of_compilation.
4178 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
4180 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
4182 (sparc*-*-*): Recognize --with-cpu=v9.
4183 * sparc/elf.h: New file.
4184 * sparc/t-elf: New file.
4186 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
4188 * mn10300.c (const_8bit_operand): New function.
4189 (mask_ok_for_mem_btst): New funtion.
4190 * mn10300.md (btst patterns with mem operands): Use new functions
4191 to avoid creating btst instructions with invalid operands.
4193 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
4195 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
4196 are running on PowerPC Linux.
4198 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
4200 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
4201 if not previously defined.
4203 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
4205 * function.c (assign_parms): Correct mode of stack_parm if
4206 entry_parm underwent a mode conversion.
4208 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
4210 * global.c (global_alloc): Use xmalloc instead of alloca for
4211 CONFLICTS, since max_allocno * allocno_row_words alone can be more
4212 than 2.5Mb sometimes.
4214 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
4216 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
4217 DEST for the spill, adjust mode of SRC to compensate.
4219 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
4221 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
4222 since any_memory_operand() allows pseudos during reload.
4223 (reload_inhi, reload_outqi, reload_outhi): Likewise.
4225 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
4227 * m68k.md (btst patterns): Add 5200 support.
4229 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
4231 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
4232 optimizations, look inside dividend to determine if the expression
4233 can be simplified by using EXACT_DIV_EXPR.
4235 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
4238 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
4240 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
4242 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
4244 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
4246 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
4249 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
4251 * alpha.md (movqi, movhi): Make sure new insns created during reload
4252 won't need reloading themselves.
4253 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
4255 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
4257 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
4259 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
4261 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
4262 Patch from Klaus Kaempf <kkaempf@progis.de>.
4264 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
4266 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
4267 to an element in a constant string.
4269 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
4271 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
4272 bit PC-relative offset. The exception range table pointer is now in
4274 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
4275 (count_fdes, add_fdes, get_cie): Adjust.
4276 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
4279 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
4281 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
4283 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
4284 like stack_pointer_rtx.
4286 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
4288 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
4289 targets using "$@" to provide support for similar but not identical
4290 targets without having to duplicate code.
4291 (bootstrap4): New goal.
4293 * Makefile.in (compare, compare-lean, compare3): Combined to one
4294 ruleset determining actions to be performed via $@.
4295 (compare4, compare4-lean): New targets.
4296 (gnucompare, gnucompare3): Combined to one ruleset determining
4297 actions to be performed via $@. Also, note which files failed
4298 the comparison test in .bad_compare.
4299 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
4301 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
4303 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
4304 if the dividend is a multiple of the divisor.
4306 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
4308 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
4310 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
4313 * alias.c (true_dependence): Fix typo.
4315 * toplev.c (flag_rerun_loop_opt): New variable.
4316 (f_options): Handle -frerun-loop-opt.
4317 (rest_of_compilation): If -frerun-loop-opt, then run the loop
4319 (main): Enable -frerun-loop-opt by default for -O2 or greater.
4321 * loop.c (simplify_giv_expr): Adding two invariants results
4324 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
4326 * expr.c (get_inner_reference): Remove the array bias after
4327 converting the index to Pmode.
4329 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
4331 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
4332 (TARGET_MULT_BUG): Define.
4333 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
4334 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
4336 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
4338 * mn10200.c (indirect_memory_operand): Delete unused function.
4339 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
4340 * mn10200.md (bset, bclr insns): Handle output in a reg too.
4342 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
4344 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
4345 the callee's ldgp, we must do it ourselves, and we use the jsr tag
4346 for more than scheduling.
4348 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
4350 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
4352 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
4354 * mn10300.c (symbolic_operand, legitimize_address): New functions.
4355 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
4356 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
4358 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
4360 * version.c: Bump for snapshot.
4362 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4364 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
4367 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
4369 * toplev.c (flag_exceptions): Default value is 2.
4370 (compile_file): If flag_exceptions still has the value 2, then
4373 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
4374 (rs6000_save_machine_status): Save pic_offset_table_rtx.
4375 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
4377 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
4380 * rs6000.md (*movsi_got_internal_mem): New pattern.
4381 (*movsi_got_internal_mem splitter): New define_split.
4383 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
4385 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
4387 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
4389 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
4390 only need to save LR.
4392 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
4394 * mn10300.md (movqi, movhi): Avoid using address registers as
4395 destinations unless absolutely necessary.
4397 * mn10200.c (expand_prologue): Fix typo.
4399 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
4401 * mn10200.md (neghi2): Provide an alternative which works if
4402 the input and output register are the same.
4404 * mn10300.c (print_operand): Handle 'S'.
4405 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
4406 shift amount in last alternative
4408 * mn10300.c (expand_epilogue): Rework to handle register restores
4409 in "ret" and "retf" instructions correctly.
4411 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
4413 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
4414 extzv for memory operands.
4416 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
4417 redundant conditional moves to single operand.
4419 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
4421 * v850.h: Move define of __v850__ from CPP_PREDEFINES
4424 * xm-v850.h: Use __v850 rather than __v850__ to
4427 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
4429 * mips/mips.c (compute_frame_size): Not a leaf function if
4432 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
4434 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
4436 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
4438 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
4439 (DEFAULT_ARCH32_P): New macro.
4440 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
4441 (enum cmodel): Declare.
4442 (sparc_cmodel_string,sparc_cmodel): Declare.
4443 (SPARC_DEFAULT_CMODEL): Provide default.
4444 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
4445 (TARGET_FULLANY): Deleted.
4446 (TARGET_CM_MEDMID): New macro.
4447 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
4448 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
4449 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
4450 (CPP_SPEC): Rewrite.
4451 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
4452 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
4453 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
4454 (ASM_SPEC): Add %(asm_arch).
4455 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
4456 Rename asm_default to asm_cpu_default.
4457 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
4458 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
4459 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
4460 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
4461 (MASK_INT64,MASK_LONG64): Delete.
4462 (MASK_ARCH64): Renamed to MASK_64BIT.
4463 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
4464 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
4465 (TARGET_SWITCHES): Always provide 64 bit options.
4466 (ARCH64_SWITCHES): Delete.
4467 (TARGET_OPTIONS): New option -mcmodel=.
4468 (INT_TYPE_SIZE): Always 32.
4469 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
4470 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
4471 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
4472 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
4473 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
4475 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4476 * sparc/linux.h: Likewise.
4477 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
4478 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
4479 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
4480 (SPARC_DEFAULT_CMODEL): Define.
4481 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4482 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4483 (LONG_DOUBLE_TYPE_SIZE): Define.
4484 (ASM_SPEC): Add %(asm_arch).
4485 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4486 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4487 (TARGET_CPU_DEFAULT): Add ultrasparc case.
4488 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
4489 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
4490 (SPARC_DEFAULT_CMODEL): Define.
4491 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
4492 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
4493 MASK_LONG64, MASK_MEDANY.
4494 (SPARC_DEFAULT_CMODEL): Define.
4495 (CPP_PREDEFINES): Delete.
4496 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4497 (ASM_SPEC): Add %(asm_arch).
4498 (LONG_DOUBLE_TYPE_SIZE): Define.
4499 (DWARF2_DEBUGGING_INFO): Define.
4500 * sparc/splet.h (CPP_SPEC): Delete.
4501 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4502 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
4503 (BLOCK_PROFILER): Likewise.
4504 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
4505 (sparc_override_options): Handle code model selection.
4506 (sparc_init_expanders): Renamed from sparc64_init_expanders.
4507 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
4508 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
4509 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
4510 (sethi_di_fullany): Delete.
4512 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
4513 Jeff Law <law@cygnus.com>
4514 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4516 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
4517 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
4518 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
4519 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
4520 * alpha/alpha.md (arg_home): Likewise.
4522 * alpha/alpha.c (vmskrunch): Delete
4523 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
4524 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
4525 truncate to 64 characters.
4527 * make-l2.com: Support openVMS/Alpha.
4529 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
4531 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4533 * longlong.h (count_leading_zeros): Add missing casts to USItype.
4535 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
4537 * i386/bsd386.h (ASM_COMMENT_START): Define.
4539 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
4541 * tree.c (restore_tree_status): Also free up temporary storage
4542 when we finish a toplevel function.
4543 (dump_tree_statistics): Print stats for backend obstacks.
4545 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
4547 * expr.c (use_group_regs): Don't call use_reg for MEMs.
4549 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
4551 * libgcc2.c (__throw): Don't copy the return address.
4552 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
4554 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
4555 * toplev.c (main): Initialize exceptions_via_longjmp.
4557 * tree.c: Add extra_inline_obstacks.
4558 (save_tree_status): Use it.
4559 (restore_tree_status): If this is a toplevel inline obstack and we
4560 didn't want to save anything on it, recycle it.
4561 (print_inline_obstack_statistics): New fn.
4562 * function.c (pop_function_context_from): Pass context to
4563 restore_tree_status.
4564 * obstack.h (obstack_empty_p): New macro.
4566 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
4568 * i386/freebsd.h (ASM_COMMENT_START): Fix.
4570 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
4572 * v850.c (ep_memory_offset): New function.
4573 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
4575 * v850.h (CONST_OK_FOR_*): Add and correct comments.
4576 (CONSTANT_ADDRESS_P): Add comment.
4577 (EXTRA_CONSTRAINT): Define 'U'.
4578 * v850.md: Add comments on bit field instructions.
4579 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
4580 (lshrsi3): Use N not J constraint.
4582 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
4584 * v850.c (reg_or_0_operand): Call register_operand.
4585 (reg_or_int5_operand): Likewise.
4586 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
4587 (TARGET_SWITCHES): Add "big-switch".
4588 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
4589 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
4590 (CASE_DROPS_THROUGH): Comment out.
4591 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
4592 * v850.md (cmpsi): Delete compare mode.
4593 (casesi): New pattern.
4595 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
4596 * v850.md (ashlsi3): Use SImode not QImode for shift count.
4597 (lshrsi3): Likewise.
4599 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
4600 unreachable switch statement after 'b' support. Remove "b" from
4601 strings for 'b' support.
4602 * v850.md (branch_normal, branch_invert): Change %b to b%b.
4604 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
4606 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
4607 empty line if @inhibit_libc@ is empty.
4609 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
4611 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
4612 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
4613 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
4614 (DWARF2_UNWIND_INFO): Let this track object file format.
4615 (EXTRA_SECTIONS): Add in_eh.
4616 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
4617 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
4619 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
4621 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
4622 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
4624 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
4625 (output_double_int): Output DI mode values correctly when
4626 HOST_BITS_PER_WIDE_INT is 64.
4627 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
4628 fmovd so it works if a quad float ends up in one of the upper 32
4630 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
4631 necessary for PIC support on sparc64.
4633 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
4635 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
4636 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
4637 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
4638 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
4639 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
4640 (SPARC_FP_ARG_FIRST): New macro.
4641 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
4642 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
4643 (NPARM_REGS): There are 32 fp argument registers now.
4644 (FUNCTION_ARG_REGNO_P): Likewise.
4645 (FIRST_PARM_OFFSET): Update to new v9 abi.
4646 (REG_PARM_STACK_SPACE): Define for arch64.
4647 (enum sparc_arg_class): Delete.
4648 (sparc_arg_count,sparc_n_named_args): Delete.
4649 (struct sparc_args): Redefine and use for arch32 as well as arch64.
4650 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
4651 (FUNCTION_ARG_ADVANCE): Rewrite.
4652 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
4653 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
4654 (FUNCTION_ARG_CALLEE_COPIES): Delete.
4655 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
4656 (STRICT_ARGUMENT_NAMING): Define.
4657 (doublemove_string): Declare.
4658 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
4659 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
4660 (doublemove_string): New function.
4661 (output_move_quad): Clean up some of the arch64 support.
4662 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
4663 Don't add 8 bytes of reserved space if arch64.
4664 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
4665 (init_cumulative_args): New function.
4666 (function_arg_slotno): New static function.
4667 (function_arg,function_arg_partial_nregs): New functions.
4668 (function_arg_{pass_by_reference,advance}): New functions.
4669 (function_arg_padding): New function.
4670 * ginclude/va-sparc.h: Rewrite v9 support.
4672 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4674 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
4675 for hard regs to determine base and index registers.
4677 * reload.c (debug_reload_to_stream): New function. Specify stream
4678 into which to write debug info.
4679 (debug_reload): Modify to call debug_reload_to_stream with stderr.
4681 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
4683 * combine.c (can_combine_p): Don't combine with an asm whose
4684 output is a hard register.
4686 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
4688 * c-decl.c (start_struct): Ensure that structs with forward
4689 declarations are in fact packed when -fpack-struct is given.
4691 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
4692 we are packing a structure. This allows a structure with only
4693 bytes to be aligned on a byte boundary and have no padding on a
4696 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4698 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
4700 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
4702 * alpha.c (alpha_return_addr_rtx): New variable.
4703 (alpha_save_machine_status): New; save it.
4704 (alpha_restore_machine_status): New; restore it.
4705 (alpha_init_expanders): New; clear it.
4706 (alpha_return_addr): New; set it.
4707 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
4708 is overly conservative, so search the insns explicitly.
4709 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
4710 (alpha_sa_size [VMS && !VMS]): Likewise.
4711 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
4712 (INIT_EXPANDERS): New definition.
4714 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
4715 (output_prolog [!VMS]): Use them.
4717 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
4718 (alpha_does_function_need_gp): ... a new function. Refine the
4719 CALL_INSN test to just TYPE_JSR.
4720 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
4722 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
4724 * version.c: Bump for snapshot.
4726 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4728 * pa.c (move_operand): Respect -mdisable-indexing.
4729 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
4731 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
4733 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
4735 (umulsidi3,umulsi3_highpart): Ditto.
4736 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
4738 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
4740 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
4741 (alpha_handle_trap_shadows): ... a new function. Handle the entire
4742 function in one go. Emit RTL for trapb, instead of printf directly.
4743 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
4744 (trap_pending): Kill global variable.
4745 (output_epilog): Don't call final_prescan_insn.
4746 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
4747 * alpha.h (FINAL_PRESCAN_INSN): Remove.
4748 (MACHINE_DEPENENT_REORG): Define.
4749 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
4752 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
4754 Tune Haifa scheduler for Alpha:
4755 * alpha.h (ISSUE_RATE): Define.
4756 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
4757 EV4 adjustments to EV5.
4758 * alpha.md: Remove all scaling from function unit delays. Rework
4759 EV5 function units to match the CPU.
4760 (umuldi3_highpart): EV5 added the IMULH insn class.
4762 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
4764 * pa.c (following_call): Fail if the CALL_INSN is an indirect
4767 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
4769 * cplus-dem.c (demangle_signature): Don't look for return types on
4770 constructors. Handle member template constructors.
4772 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
4774 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
4775 * tree.h: Declare them.
4777 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
4779 * configure.in: Handle --with-newlib.
4780 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
4782 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
4784 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
4786 * config/ptx4.h: Fix typo.
4788 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
4790 * version.c: Bump for snapshot.
4792 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
4794 * aclocal.m4: Substitute INSTALL.
4795 * configure: Re-built.
4797 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
4799 * integrate.c (save_for_inline_copying): Avoid undefined pointer
4801 (expand_inline_function): Likewise.
4803 * dwarf2out.c (output_call_frame_info): Reinstate last change
4804 using flag_debug_asm check instead of flag_verbose_asm.
4806 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
4808 * dwarf2out.c (output_call_frame_info): Remove last change.
4810 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4812 * frame.c (__frame_state_for): Execute the FDE insns until the
4813 current pc value is strictly bigger than the target pc value.
4815 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
4817 * regclass.c (init_reg_modes): If we can't find a mode for the
4818 register, use the previous one.
4820 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
4822 * haifa-sched.c (print_block_visualization): Call fprintf directly,
4823 don't sprintf through an alloca'ed buffer.
4825 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
4827 * reload.c (decompose): Always initialize val.base.
4829 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
4831 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
4832 instead of aborting.
4833 * dwarf2out.c (output_call_frame_info): Call app_enable and
4834 app_disable to let GNU as accept the generated comments.
4836 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
4838 * tree.h (get_file_function_name): Add declaration.
4839 * dwarf2out.c (output_call_frame_info): No need to cast
4840 get_file_function_name call anymore.
4841 * profile.c (toplevel): Remove get_file_function_name
4843 * c-lang.c (finish_file): Ditto.
4845 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
4847 * Makefile.in (program_transform_name): Let autoconf substitute
4850 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
4852 * haifa-sched.c (schedule_block): If the first real insn in a
4853 block has any special notes attached to it, remove them.
4855 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
4857 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
4859 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
4861 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
4863 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
4865 * Makefile.in (check-g77): New test target.
4866 (CHECK-TARGETS): Add check-g77.
4868 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
4870 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
4872 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
4874 * flow.c (print_rtl_with_bb): Cast alloca return value for
4877 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
4879 * i386.h (RETURN_ADDR_RTX): New definition that works for
4880 __builtin_return_address(0) and -fomit-frame-pointer.
4882 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
4884 Bring over from FSF.
4885 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
4887 * mips.c (function_arg): Handle passing a struct
4888 containing a double in a DFmode register without the PARALLEL.
4890 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
4892 * pexecute.c: Use spawn if __CYGWIN32__.
4894 * pexecute.c: Include "config.h" first, as per autoconf manual
4895 (from Paul Eggert <eggert@twinsun.com>).
4897 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4899 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
4900 optimisation for f/expr.o and f/stb.o.
4902 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
4904 * cse.c (this_insn_cc0_mode): Initialize.
4906 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
4908 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
4910 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
4912 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
4914 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
4915 that pair will dual-issue on the 21164 and plus+beq won't.
4916 (bne): Likewise for cmpeq+beq.
4918 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
4920 * except.c (find_exception_handler_labels): Correct argument to free.
4922 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
4924 * except.c (find_exception_handler_labels): Free LABELS when we're
4927 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
4929 * version.c: Bump for snapshot.
4931 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
4933 * flow.c (find_basic_blocks): Mark calls as potentially jumping
4936 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
4938 * configure.in: Substitute for "install" too.
4939 * configure: Rebuilt.
4941 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
4943 * Makefile.in (bootstrap-lean, compare-lean): New targets.
4945 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
4947 * alias.c (base_alias_check): Two symbols can conflict if they
4948 are accessed via AND.
4949 (memrefs_conflict_p): Likewise.
4951 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
4952 after flushing argument registers to the stack.
4954 * Makefile.in (mostlyclean): Remove .regmove files.
4956 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4958 * libgcc2.c (__throw): Fix thinko.
4960 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
4962 * cplus-dem.c (demangle_template): Add new parameter. Handle new
4963 template-function mangling.
4964 (consume_count_with_underscores): New function.
4965 (demangle_signature): Handle new name-mangling scheme.
4967 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4969 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
4972 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
4974 * frame.c: Remove last change.
4975 * dwarf2.h: Remove last change.
4976 * tree.h: Add declarations of DWARF2 unwind info support
4979 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4981 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
4982 * tree.h (built_in_function): Likewise.
4983 * expr.c (expand_builtin): Likewise.
4984 * except.h: Likewise.
4985 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
4986 * libgcc2.c (copy_reg): New fn.
4989 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
4991 * c-typeck.c (build_binary_op): Warn about comparing signed vs
4992 unsigned if -W is specified and -Wno-sign-compare is not.
4993 * c-decl.c (warn_sign_compare): Initialize to -1.
4994 (c_decode_option): -Wall no longer implies -Wsign-compare.
4996 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4998 * frame.c: Include gansidecl.h for PROTO.
4999 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
5000 defined. Don't declare dwarf2out_cfi_label here.
5001 * dwarf2.h: Add declarations of DWARF2 unwind info support
5003 * m68k.c: Include dwarf2.h.
5004 (output_function_prologue): Add dwarf2 support.
5005 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
5006 (INCOMING_FRAME_SP_OFFSET): Likewise.
5008 * integrate.c (expand_inline_function): Make sure there is at
5009 least one insn that can be used as an insertion point.
5011 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
5013 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
5015 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
5017 * version.c: Bump for snapshot.
5019 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
5021 Bring over from FSF.
5023 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
5025 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
5026 (get_pc_via_rdpc): Renamed from get_pc_sp64.
5027 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
5029 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
5031 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
5032 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
5034 (sparc_align_{loops,jumps,funcs}_string): Declare.
5035 (sparc_align_{loops,jumps,funcs}): Declare.
5036 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
5037 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
5038 (STACK_BIAS): Define.
5039 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
5041 (SPARC_SETHI_P): New macro.
5042 (CONST_OK_FOR_LETTER_P): Use it.
5043 (ASM_OUTPUT_ALIGN_CODE): Define.
5044 (ASM_OUTPUT_LOOP_ALIGN): Define.
5045 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
5046 (sparc_align_{loops,jumps,funcs}): New globals.
5047 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
5049 (move_operand): Use SPARC_SETHI_P.
5050 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
5052 (arith11_double_operand): Likewise.
5053 (arith10_double_operand): Likewise.
5054 (finalize_pic): Finish sparc64 support.
5055 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
5056 64 bit constants if able.
5057 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
5058 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
5060 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
5061 (get_pc_sp32): Use for sparc64 as well.
5062 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
5063 (sethi_di_sp64_const): Likewise.
5064 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
5065 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
5066 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
5068 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
5070 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
5071 * sparc/linux.h (COMMENT_BEGIN): Likewise.
5072 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
5074 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
5076 Add sparc64 linux support.
5077 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
5078 to xm_file list on 32-bit sparc-linux.
5079 * sparc/xm-sp64.h: New file.
5080 * sparc/linux64.h: New file.
5081 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
5082 Don't include xm-sparc.h.
5083 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
5084 * glimits.h (LONG_MAX): Handle sparc64.
5086 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
5088 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
5089 * sparc.h (ASM_COMMENT_START): Define.
5090 * sparc.c (output_function_prologue): Use it.
5091 (sparc_flat_output_function_{epi,pro}logue): Likewise.
5093 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
5095 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
5096 use sparc.h's copies.
5097 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
5100 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5102 * sparc.c (dwarf2out_cfi_label): Add declaration.
5103 (save_regs, output_function_prologue): Remove cast for it.
5104 (sparc_flat_{save_restore,output_function_prologue): Likewise.
5105 ({save,restore}_regs): No longer inline.
5107 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5109 * fold-const.c (make_range): Correctly handle cases of converting
5110 from unsigned to signed type.
5112 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5114 * fold-const.c (merge_ranges): Make sure that if one range is subset
5115 of another, it will always be the second range. Correct (+,-) case to
5118 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
5120 * final.c (final_end_function): Also do dwarf2 thing if
5121 DWARF2_DEBUGGING_INFO.
5122 (final_start_function): Likewise.
5124 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
5126 * expmed.c (expand_divmod): If compute_mode is not the same as
5127 mode, handle the case where convert_modes() causes op1 to no
5128 longer be a CONST_INT.
5130 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
5131 note holding get_jump_flags() calculation to all JUMP_INSNs.
5132 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
5133 * rtl.c (reg_note_name): Add new note types.
5135 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
5137 * rtlanal.c (computed_jump_p): Fix typo in last change.
5139 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5141 * loop.c (indirect_jump_in_function_p): Return 0
5144 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
5146 * rs6000/xm-rs6000.h: Fix thinko in last change.
5147 * rs6000/xm-sysv4.h: Likewise.
5149 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
5151 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
5153 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
5155 * reg-stack.c (find_blocks): Fix thinko in last change.
5157 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5159 * m68k.c (output_function_prologue): Add dwarf2 support.
5161 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
5162 INCOMING_FRAME_SP_OFFSET): New definitions.
5164 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
5166 * combine.c (try_combine): Use NULL_RTX instead of '0' where
5167 appropriate in calls to gen_rtx().
5168 * cse.c (cse_main): Likewise.
5169 * emit-rtl.c (gen_label_rtx): Likewise.
5170 * expr.c (init_expr_once): Likewise.
5171 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
5172 sched_analyze, init_rgn_data_dependences,
5173 compute_block_backward_dependences): Likewise.
5174 * sched.c (schedule_insns): Likewise.
5175 * varasm.c (immed_double_const): Likewise.
5177 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
5178 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
5180 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
5182 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
5183 (MULTILIB_DEFAULTS): Define.
5184 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
5185 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
5186 (LIBGCC_SPEC): Likewise.
5187 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
5188 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
5189 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
5190 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
5191 (EXTRA_PARTS, TAROUTOPTS): Delete.
5192 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
5193 (MULTILIB_OPTIONS): Define.
5194 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
5195 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
5197 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
5199 * version.c: Bump for snapshot.
5201 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
5203 * loop.c (loop_number): Delete function. Change all references
5204 to use uid_loop_num array.
5205 * loop.h (loop_number): Delete declaration.
5206 * unroll.c (unroll_loop): Change "loop_number" references to
5207 use uid_loop_num instead.
5209 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
5211 (loop_unroll_iter): Remove unused variable and all references.
5212 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
5213 (insert_bct): Fix minor formatting problems.
5214 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
5215 (loop_unroll_iter): Removed unused decl.
5216 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
5217 Always record the unrolling factor.
5219 * cse.c (simplify_relational_operation): Set h0u just like h0s.
5220 Similarly for h1u and h1s.
5222 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
5223 (find_basic_blocks): Use computed_jump_p to determine if a
5224 particular JUMP_INSN is a computed jump.
5225 * reg-stack.c (find_blocks): Use computed_jump_p to determine
5226 if a particular JUMP_INSN is a computed jump.
5227 * rtlanal.c (jmp_uses_reg_or_mem): New function.
5228 (computed_jump_p): Likewise.
5229 * rtl.h (computed_jump_p): Declare.
5230 * genattrtab.c (pc_rtx): Define and initialize.
5231 * loop.c (loop_optimize): Always determine if the current
5232 function has a computed jump.
5233 (indirect_jump_in_function_p): Use computed_jump_p to determine
5234 if a particular JUMP_INSN is a computed jump.
5236 * loop.c (fix_bct_param): Delete unused function.
5237 (check_bct_param): Likewise.
5239 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
5241 * frame.c (__deregister_frame): Check properly for initialized object.
5243 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5245 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
5247 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5249 * jump.c (thread_jumps): check can_reverse_comparison_p before
5250 threading a reversed-condition jump.
5252 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
5253 * haifa-sched.c (update_flow_info): Likewise.
5255 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
5257 * Makefile.in (BOOT_CFLAGS): Use -O2.
5259 * configure.in (strtoul, bsearch): Have autoconf check for these
5261 * configure, config.in: Rebuilt.
5263 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
5264 * mips/mips.h (alloca): Likewise.
5265 * rs6000/xm-rs6000.h (alloca): Likewise.
5266 * rs6000/xm-sysv4.h: Likewise.
5268 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
5270 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
5271 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
5272 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
5274 * except.c (end_eh_unwinder): Subtract 1 from return address.
5275 * libgcc2.c (__throw): Likewise.
5276 (find_exception_handler): Don't change PC here. Compare end with >.
5278 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
5280 * v850.c (compute_register_save_size): Correct register
5282 * v850.md (save_interrupt, return_interrupt): Correct
5284 * v850/lib1funcs.asm (save_interrupt): Correct register number.
5285 (return_interrupt): Use stack pointer, not element pointer.
5287 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
5289 * configure.in, configure: Make sure to create the stage* and include
5290 symbolic links in each subdirectory.
5292 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
5294 * pa.md (reload_peepholes): Don't allow addresses with side
5295 effects for the memory operand.
5297 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
5299 * libgcc2.c (find_exception_handler): Subtract one from our PC when
5300 looking for a handler, to avoid hitting the beginning of the next
5303 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
5305 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
5307 * mips/abi64.h (LONG_MAX_SPEC): Define.
5308 * mips.h (LONG_MAX_SPEC): Define.
5309 (CPP_SPEC): Include long_max_spec.
5310 (EXTRA_SPECS): Include long_max_spec.
5312 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
5314 * v850.c (construct_save_jarl): Fix thinko in last change.
5316 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
5318 * version.c: Bump for snapshot.
5320 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
5322 * libgcc2.c (find_exception_handler): Not found is -1.
5324 * integrate.c (expand_inline_function): Move expand_start_bindings
5325 after expanding the arguments.
5327 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
5329 * expr.c (expand_expr): Remove previous incorrect change.
5330 If target and slot has no DECL_RTL, then call mark_addressable
5331 again for the slot after we give it RTL.
5333 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
5335 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
5336 again for the slot after we give it RTL.
5338 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
5340 * v850.c (register_is_ok_for_epilogue,
5341 pattern_is_ok_for_epilogue, construct_restore_jr,
5342 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
5344 * v850.h (pattern_is_ok_for_prologue,
5345 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
5348 * v850.md: Replace prologue and epilogue patterns with a
5349 match_parallel pattern.
5351 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
5353 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
5354 * configure.in: Use EGCS_PROG_INSTALL.
5356 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
5358 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
5359 extern inline function.
5361 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
5363 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
5364 (concat_loc_descriptor): New function.
5365 (loc_descriptor): Call it.
5366 (add_AT_location_description): Also elide the descriptor if both
5367 halves of a CONCAT are pseudos.
5368 (add_location_or_const_value_attribute): Recognize CONCAT too.
5370 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
5372 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
5374 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
5375 out-or-range reg_offset.
5376 (output_epilog): Likewise.
5378 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
5380 * cse.c (simplify_relational_operation): If MODE specifies a
5381 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
5382 is derived from the sign bit of the low word.
5384 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
5386 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
5388 * dwarf2.h: Add DW_CFA_GNU_args_size.
5389 * frame.c (execute_cfa_insn): Likewise.
5390 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
5391 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
5392 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
5393 insn, hand it off to dwarf2out_stack_adjust.
5394 (dwarf2out_begin_prologue): Initialize args_size.
5395 * frame.h (struct frame_state): Add args_size.
5396 * libgcc2.c (__throw): Use args_size.
5397 * final.c (final_scan_insn): If we push args, hand off all insns
5398 to dwarf2out_frame_debug.
5399 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
5401 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
5402 Handle epilogue restore of SP from FP.
5403 * emit-rtl.c (gen_sequence): Still generate a sequence if the
5404 lone insn has RTX_FRAME_RELATED_P set.
5406 * frame.c (extract_cie_info): Handle "e" augmentation.
5407 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
5408 absence of UNALIGNED_*_ASM_OP.
5409 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
5410 (output_call_frame_info): Use "e" instead of "z" for augmentation.
5411 Don't emit augmentation fields length.
5412 (dwarf2out_do_frame): Move outside of #ifdefs.
5413 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
5416 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
5417 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
5418 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
5419 * sparc/sun4gas.h: New file.
5420 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
5422 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
5423 __register_frame_table and __deregister_frame.
5425 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
5427 * except.c (find_exception_handler_labels): Use xmalloc instead of
5428 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
5431 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
5433 * Makefile.in: Various changes to build info files
5434 in the object tree rather than the source tree.
5436 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
5438 * fixinc.math: New file to fix math.h on some systems.
5439 * configure.in (freebsd, netbsd): Use fixinc.math on these
5441 * configure: Rebuilt.
5443 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
5445 * regmove.c (regmove_optimize): If we end up moving the
5446 original insn due to lifetime overlaps, make sure to move
5449 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
5451 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
5453 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
5455 * haifa-sched.c (add_branch_dependences): Make each insn in
5456 a SCHED_GROUP_P block explicitly depend on the previous insn.
5458 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
5460 * except.h: Prototype dwarf2 hooks.
5463 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
5465 * configure.in (native_prefix): Delete.
5466 (mips-dec-netbsd): Don't set prefix.
5467 (*linux*): Don't set prefix.
5469 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
5471 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
5472 defined. If not defined, include <sys/varargs.h> if
5473 HAVE_SYS_VARARGS_H is defined.
5474 * configure.in: Test for varargs.h and sys/varargs.h.
5475 * configure: Regenerate with autoconf.
5476 * config.in: Regenerate with autoheader.
5478 * cpplib.c (quote_string): Cast first arg of sprintf call
5479 from "unsigned char *" to "char *".
5480 (output_line_command): Ditto.
5481 (macroexpand): Ditto.
5482 (do_line): Cast atoi arg from "unsigned char *" to "char *".
5484 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
5486 * version.c: Bump for snapshot.
5488 * Makefile.in (compare): Exit with nonzero status if there
5489 are comparison failures. Note which files failed the
5490 comparison test in .bad_compare.
5492 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5494 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
5496 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
5498 * Makefile.in (LN, LN_S): New macros, use where appropriate.
5499 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
5500 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
5501 * configure: Regenerated.
5503 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
5505 * loop.c (strength_reduce): Fix typo.
5507 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
5509 * m88k/m88k.c (struct option): Rename to struct options.
5510 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
5511 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
5512 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
5513 __DOLPHIN__ or sysV88.
5515 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
5517 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
5520 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
5522 * config.sub: Accept 'amigados' for backward compatability.
5524 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5526 * Makefile.in (testsuite/site.exp): New target.
5527 (check-gcc, check-g++): Depend on testsuite/site.exp.
5528 Don't stop for failure.
5530 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
5532 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
5533 if DWARF2_UNWIND_INFO.
5535 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
5537 Add support for exception handling using DWARF 2 frame unwind info.
5538 Currently works on SPARC and MIPS, and almost on x86.
5540 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
5541 next_stack_level, in_reg_window): Helper fns.
5542 (__throw): Implement for DWARF2_UNWIND_INFO.
5544 * expr.c (expand_builtin): Handle builtins used by __throw.
5545 * tree.h (enum built_in_function): Add builtins used by __throw.
5546 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
5547 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
5548 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
5549 (expand_builtin_extract_return_addr): Likewise.
5550 (expand_builtin_frob_return_addr): Likewise.
5551 (expand_builtin_set_return_addr_reg): Likewise.
5552 (expand_builtin_eh_stub): Likewise.
5553 (expand_builtin_set_eh_regs): Likewise.
5554 (eh_regs): Choose two call-clobbered registers for passing back values.
5556 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
5557 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
5558 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
5559 (stmp-multilib): Likewise.
5560 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
5562 * except.c: #include "defaults.h".
5563 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
5564 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
5565 (register_exception_table_p): New fn.
5566 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
5567 (end_eh_unwinder): Likewise.
5569 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
5570 call __register_frame and __deregister_frame as needed.
5571 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
5572 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
5573 EH_FRAME_SECTION_ASM_OP.
5574 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
5575 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
5576 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
5578 * dwarf2out.c (output_call_frame_info): If no support for
5579 EXCEPTION_SECTION, mark the start of the frame info with a
5581 * collect2.c (frame_tables): New list.
5582 (is_ctor_dtor): Recognise frame entries.
5583 (scan_prog_file): Likewise.
5584 (main): Pass -fno-exceptions to sub-compile. Also do collection
5585 if there are any frame entries.
5586 (write_c_file_stat): Call __register_frame_table and
5587 __deregister_frame as needed.
5588 (write_c_file_glob): Likewise.
5590 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
5591 Also require unaligned reloc support.
5592 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5593 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
5594 * sparc/sysv4.h: Not here.
5596 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
5597 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
5598 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
5600 * libgcc2.c (L_eh): Reorganize, moving code shared by different
5601 EH implementations to the top.
5602 (find_exception_handler): Split out. Start from 0. Compare against
5604 (__find_first_exception_table_match): Use it.
5605 * except.c (output_exception_table): Don't do anything if there's
5606 no table. Don't output a first entry of zeroes.
5607 (eh_outer_context): Adjust properly.
5608 (add_eh_table_entry): Use xrealloc.
5609 * toplev.c (compile_file): Just call output_exception_table.
5611 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
5613 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
5615 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
5617 * except.c (eh_outer_context): Do masking using expand_and.
5619 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
5621 Add port done awhile ago for the ARC cpu.
5622 * arc/arc.h: New file.
5623 * arc/arc.c: New file.
5624 * arc/arc.md: New file.
5625 * arc/initfini.c: New file.
5626 * arc/lib1funcs.asm: New file.
5627 * arc/t-arc: New file.
5628 * arc/xm-arc.h: New file.
5629 * ginclude/va-arc.h: New file.
5630 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
5631 * ginclude/varargs.h: Likewise.
5632 * Makefile.in (USER_H): Add va-arc.h.
5633 * configure.in (arc-*-elf*): Recognize.
5634 * longlong.h: Add ARC support.
5636 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
5638 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
5639 when clearing non-BLKmode data.
5641 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
5643 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
5644 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
5646 * xm-m88k.h (USG): Only define if it hasn't already been defined.
5648 * Makefile.in (risky-stage1): Delete gratutious whitespace.
5650 * Makefile.in (clean): Delete libgcc1-test.
5652 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
5654 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
5656 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
5659 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5661 * dwarf2out.c (output_call_frame_info): Call named_section.
5663 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
5665 * haifa-sched.c (print_value): Fix last change.
5667 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
5669 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
5672 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
5674 * mips.c (function_prologue): Set up the CFA when ABI_32.
5676 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
5677 for dwarf2 unwind info.
5678 (output_function_prologue, sparc_flat_output_function_prologue): Same.
5680 * final.c (final_end_function): Check dwarf2out_do_frame instead
5681 of DWARF2_DEBUG for dwarf2 unwind info.
5682 (final_scan_insn): Likewise.
5683 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
5686 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
5689 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
5691 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
5693 * v850.h (ASM_SPEC): Pass on target processor.
5694 (CPP_PREDEFINES): Only define if not already specified.
5695 (TARGET_VERSION): Only define if not already specified.
5696 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
5698 (EXTRA_SWITCHES): Extra entries in the switches array.
5699 (TARGET_DEFAULT): Set default target processor.
5701 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
5703 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
5704 cases, add %# and %/, and add : to make them into extended asms.
5706 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
5708 * alias.c (init_alias_analysis): Clean up incompatible pointer
5709 type warning in bzero.
5710 * regmove.c (regmove_optimize): Ditto.
5711 * haifa-sched.c (find_rgns): Ditto.
5713 * haifa-sched.c (print_value): Clean up ptr->int cast
5716 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
5718 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
5719 * install.texi (Configurations): Ditto.
5720 * config.sub: Ditto.
5722 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
5724 * Makefile.in (sdbout.o): Depend on insn-config.h.
5726 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
5728 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
5729 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
5731 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
5733 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
5734 prologue insn, only the first elt is significant.
5735 (output_call_frame_info): For exception handling, always use 4-byte
5736 fields as specified by the dwarf2 spec.
5737 Don't skip trivial FDEs.
5739 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
5741 * version.c: Bump for snapshot.
5743 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
5745 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
5746 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
5749 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
5751 * final.c (shorten_branches): During first pass, assume worst
5752 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
5754 * Makefile.in (distclean): Remove various things left around
5755 by running the testsuite.
5757 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
5759 * configure.in (out_file): Emit definition to config.status in order
5760 to have a defined value for configure.lang.
5761 * configure: Re-built.
5763 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
5765 * configure.in: Make symlink to as-new rather than as.new. Similarly
5767 * configure: Rebuilt.
5769 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
5771 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
5773 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
5775 * sparc/sparc.md: Add ultrasparc scheduling support.
5776 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
5778 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
5780 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
5781 as initial value for real_label_map.
5782 (copy_for_inline): Likewise.
5784 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5786 * sched.c (update_flow_info) When looking if to set found_split_dest
5787 or found_orig_dest, look at all parts of a PARALLEL.
5788 * haifa-sched.c (update_flow_info): Likewise.
5790 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
5792 * v850: New directory for v850 port.
5793 * v850/lib1funcs.asm: New file.
5794 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
5795 * ginclude/va-v850.h: New file.
5796 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
5797 * configure.in (mn10200-*-*): New target.
5798 * configure: Rebuilt.
5799 * config.sub: Handle v850-elf.
5800 * Makefile.in (USER_H): Add va-mn10200.h.
5801 * invoke.texi: Document v850 stuff.
5803 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
5805 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
5806 has integer TYPE_{MAX,MIN}_VALUE before using them.
5808 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
5809 __HPUX_ASM__ versions.
5811 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
5813 * install.sh: Delete duplicate install script.
5815 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
5817 * reg-stack.c (subst_stack_regs): Pop the stack register for a
5818 computed goto which sets the same stack register.
5820 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
5821 destination are both on the regstack.
5822 (subst_stack_regs_pat): Put the destination at the top of the regstack.
5824 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
5826 * mips.md (nonlocal_goto_receiver): Define.
5828 * profile.c (output_arc_profiler): Check next_insert_after for non
5829 NULL before deferencing it.
5831 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
5833 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
5835 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
5837 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
5839 * toplev.c (rest_of_compilation): For passes starting with
5840 flow_analysis, use print_rtl_with_bb instead of print_rtl.
5842 * print-rtl.c (print_rtl_single): Print a single rtl value to a
5845 * flow.c (print_rtl_with_bb): Print which insns start and end
5846 basic blocks. For the start of a basic block, also print the live
5849 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
5851 * toplev.c (main): Change #elif to #else/#ifdef
5853 * tlink.c: Include ctype.h.
5854 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
5856 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
5858 * bitmap.c: Conditionally include stdlib.h.
5859 (free): Provide a declaration if NEED_DECLARATION_FREE.
5861 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
5863 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
5865 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
5867 * profile.c (output_arc_profiler): Verify next_insert_after is an
5868 INSN before and after skipping a stack pop.
5870 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5872 * final.c (shorten_branches): Don't count the lengths of deleted
5875 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
5877 * version.c: Bump for snapshot.
5879 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
5881 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
5882 two bitmaps ANDed together.
5883 (bitmap_print): Declare.
5885 * bitmap.c (function_obstack): Don't declare any more.
5886 (bitmap_obstack): Obstack for allocating links from.
5887 (bitmap_obstack_init): New static to say whether to initialize
5889 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
5890 (bitmap_release_memory): Free all memory allocated from
5893 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
5894 EXECUTE_IF_AND_IN_BITMAP.
5896 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
5898 * alias.c (true_dependence): Address with AND can alias scalars.
5899 (anti_dependence, output_dependence): Likewise.
5901 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
5903 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
5905 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
5906 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
5907 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
5908 definitions. Use -qrtems instead of -mrtems.
5910 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
5912 * xm-sco5.h (sys_siglist): Define.
5913 (SYS_SIGLIST_DECLARED): Likewise.
5915 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
5917 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
5919 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
5921 * except.c (eh_outer_context): Expand masking operation using
5924 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
5926 * alpha.md (floatdisf2-1): New pattern.
5928 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
5930 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
5931 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
5932 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
5933 * gcc.texi: Note that if you define sys_siglist that you should
5934 also define SYS_SIGLIST_DECLARED.
5936 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
5937 are relative to the next instruction, not the current instruction.
5939 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
5941 * local-alloc.c (contains_replace_regs): New function.
5942 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
5943 verify that there is no existing REG_EQUIV note, and add a call to
5944 contains_place_regs.
5946 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5948 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
5949 (STARTFILE_SPEC): Always use crtbegin.o%s
5950 (ENDFILE_SPEC): Always use crtend.o%s.
5952 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
5954 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
5956 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
5957 SFmode for 64 bit hosts.
5959 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
5961 * fixincludes: Permits spaces between # and define. Discard C++
5962 comments in sys/pci.h on HP/UX 10.20.
5964 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
5966 * version.c: Bump for snapshot.
5968 * pa.c (restore_unscaled_index_insn_codes): New function.
5969 (record_unscaled_index_insn_codes): Likewise.
5970 (output_function_prologue): Call restore_unscaled_index_insn_codes.
5971 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
5972 (pa_reorg): Call record_unscaled_index_insn_codes.
5974 * haifa-sched.c (move_insn): Handle notes correctly for insns
5975 with SCHED_GROUP_P set.
5977 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5979 * alpha/xm-linux.h (USE_BFD): Undef before define.
5981 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
5983 * cse.c (cse_insn): Don't record BLKmode values.
5985 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
5987 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
5989 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
5991 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
5992 * collect2.c (sys_errlist): Likewise.
5993 * cpplib.c (sys_errlist): Likewise.
5994 * gcc.c (sys_errlist): Likewise.
5995 * protoize (sys_errlist): Likewise.
5996 * configure.in: Check for strerror.
5997 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
5998 * xm-gnu.h (HAVE_STRERROR): Likewise.
5999 * xm-linux.h (HAVE_STRERROR): Likewise.
6000 * xm-netbsd.h (HAVE_STRERROR): Likewise.
6001 * xm-bsd386.h (HAVE_STRERROR): Likewise.
6002 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
6003 * xm-dos.h (HAVE_STRERROR): Likewise.
6004 * xm-mingw32.h (HAVE_STRERROR): Likewise.
6005 * xm-pa.h (HAVE_STRERROR): Likewise.
6006 * xm-papro.h (HAVE_STRERROR): Likewise.
6007 * xm-sysv4.h (HAVE_STRERROR): Likewise.
6008 * configure, config.in: Rebuilt.
6010 * Makefile.in: Add several missing "else true" clauses.
6012 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
6013 * mips-tfile.c: Likewise.
6014 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
6015 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
6016 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
6017 * configure.in: Check for sys_siglist declaration.
6018 * configure, config.in: Rebuilt.
6020 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
6022 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
6023 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
6024 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
6025 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
6026 * rs6000/sysv4.h (extra_subtarget_switches): Added new
6027 macro EXTRA_SUBTARGET_SWITCHES.
6028 * configure.in (sh*-*-rtems*): New target.
6029 * sh/rtems.h: New file.
6030 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
6031 * configure: Rebuilt.
6033 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
6035 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
6037 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
6039 * rs6000.md: Make DF fused-add operations pay attention to
6042 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
6044 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
6046 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
6048 * pa.md (reload_peepholes): Make sure operand is a REG before
6049 examining REGNO. Allow general registers too.
6051 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
6053 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
6055 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
6057 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
6058 to reallocate abbrev_die_table.
6060 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
6062 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
6064 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6066 * Makefile.in (config.status): Depend on version.c
6068 * expr.h (insn_gen_function): Reenable prototype.
6070 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
6073 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
6075 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
6077 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
6079 * version.c: Bump for latest snapshot.
6081 * bc-optab.c: Conditionally include stdlib.h.
6082 (free): Provide a declaration if NEED_DECLARATION_FREE.
6083 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
6084 * rtl.h (free): Remove declaration.
6085 * tree.h (free): Remvoe declaration.
6087 * configure: Rebuilt.
6089 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
6091 * flags.h (flag_move_all_movables): Declare.
6092 (flag_reduce_all_givs): Likewise.
6093 * loop.c (move_movables): Handle flag_move_all_movables.
6094 (strength_reduce): Handle flag_reduce_all_givs.
6095 * toplev.c (flag_move_all_movables): Define.
6096 (flag_reduce_all_givs): Likewise.
6097 (f_options): Add -fmove-all-movables and -freduce-all-givs.
6098 * invoke.texi: Document new options, including alias stuff that
6099 wasn't included last time.
6101 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
6103 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
6106 * t-vxworks68: Ditto.
6107 * t-vxworks960: Ditto.
6110 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
6112 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
6113 if not already defined, and USE_C_ALLOCA not defined.
6115 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
6117 * config.guess: Replace with script that uses ../config.guess.
6119 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
6120 if USE_GNULIBC_1 is not defined.
6122 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
6124 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
6125 * config.guess: Recognize alpha-linux-gnulibc1.
6126 * configure.in (alpha-*-linux-gnulibc1): New target.
6127 (alpha-*-linux-gnu*): Don't build crtbegin/end.
6129 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
6131 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
6134 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
6136 * loop.c (combine_movables): Earlier insns don't match later ones.
6138 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6140 * config/linux.h (CC1_SPEC): Define it only if not defined.
6142 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
6145 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
6146 USE_GNULIBC_1 is not defined.
6148 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
6150 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
6151 as 1 if USE_GNULIBC_1 is not defined.
6153 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
6155 * reorg.c (dbr_schedule): Allow current_function_return_rtx
6156 to be something other than a REG.
6157 * function.c (expand_function_end): Fix current_function_return_rtx
6160 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
6161 * x-netbsd: Likewise
6162 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
6163 (INSTALL_HEADERS): Delete.
6164 * x-dguxbcs: Likewise.
6165 * x-hp3bsd44: Likewise
6168 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6170 * i386.md (pop): pop increments the stack pointer.
6171 (prologue_set_stack_ptr): New pattern.
6172 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
6175 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
6177 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
6178 address where an offsettable address is required.
6180 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
6182 * loop.c (check_final_value): Don't miss a biv increment in a
6185 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
6187 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
6188 TYPE_DECL_IS_STUB instead of DECL_NAME.
6190 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6192 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
6194 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
6196 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
6198 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
6200 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
6201 (find_post_sched_live): Likewise.
6203 * haifa-sched.c (schedule_block): Remove old code to get arguments
6204 from hard regs into pseudos early.
6206 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
6208 * version.c: Bump for new snapshot.
6210 * local-alloc.c (update_equiv_regs): All the target to reject
6211 promotion of some REG_EQUAL to REG_EQUIV notes.
6212 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
6214 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
6217 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
6218 store of the argument registers.
6220 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
6222 * fold-const.c (multiple_of_p): New function.
6223 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
6225 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
6227 * expr.h (insn_gen_function): Temporarily remove prototype.
6229 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
6231 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
6232 filenames. Use sed to extract base filename for install.
6234 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
6236 * unroll.c (find_splittable_givs): Only share if two givs have the
6237 same add and multiply values.
6239 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
6241 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
6242 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
6244 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
6246 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
6247 around branch tables.
6248 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
6249 and .end_brtab directives if TARGET_GAS.
6251 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
6253 * alias.c (true_dependence): Pass x_addr not x to varies.
6255 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
6256 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
6257 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
6259 * config.in, configure: Regenerate.
6261 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
6263 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
6265 (record_set): Handle LO_SUM like PLUS.
6266 (init_alias_analysis): When following chains of base addresses,
6267 do not stop on reaching a hard register.
6269 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
6271 * version.c: Bump for new snapshot.
6273 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
6275 * alpha.h (ARCH_ASM_FILE_START): Define.
6276 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
6277 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
6279 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
6281 * Makefile.in (install-common): Put gcov comment at start of line.
6283 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
6285 * alias.c (init_alias_analysis): When simplifying the reg_base_value
6286 array, simplify entries for hard registers too.
6288 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
6290 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
6293 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
6295 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
6296 block_stack before dereferencing it.
6298 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
6300 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
6302 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
6304 * cplus-dem.c: Add 'extern' to prepends_underscore.
6306 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
6308 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
6309 (get_issue_rate): Delete.
6310 * pa.h (ISSUE_RATE): Define.
6312 * configure.in: Turn on haifa by default for the PA.
6313 * configure: Rebuilt.
6314 * pa.c (override_options): Accept -mschedule=7200 option.
6315 (pa_adjust_cost): No longer need to scale costs for newer
6317 * pa.h (enum processor_type): Add PROCESSOR_7200.
6318 * pa.md: Revamp scheduling parameters to work better with
6319 haifa. Add scheduling parameters for the 7200.
6321 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
6323 (schedule_block): When adjusting basic_block_{head,end}, account
6324 for movement of SCHED_GROUP_P insns too.
6326 * haifa-sched.c (debug_dependencies): Fix thinko.
6328 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
6329 (site.exp, check, check-g++, check-gcc): New targets.
6331 * haifa-sched.c: Make lots of variables static.
6333 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6335 * expr.h, real.h: Finish prototyping.
6337 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
6339 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
6340 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
6341 * reload1.c: Undo bugfix from Aug 11.
6343 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
6345 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
6346 quotes around the name.
6347 * configure: Regenerate.
6349 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
6351 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
6353 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
6355 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
6356 to sub-makes to avoid building more passes than the user might have
6357 requested on the command line.
6359 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
6361 * configure.in: Expurgate `broken_install' (install is
6364 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
6367 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
6369 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
6370 functions and declarations.
6371 (analyze_loop_iterations): Use condjump_p.
6372 (insert_bct): Likewise. Use exact_log2.
6374 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
6376 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
6377 (schedule_region): Likewise.
6378 (schedule_insns): Likewise.
6380 * PROJECTS: Update with Haifa stuff.
6382 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
6384 * version.c: Change the version string to look like:
6385 egcs-2.90.00 970814 (gcc2-970802 experimental).
6387 * loop.c (is_conditional_branch): Make definition match declaration.
6389 * gcc.c: Take out experimental snapshot warning message.
6391 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
6393 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
6394 print out the names of the notes. Print out the name of the insn
6395 that is not a note, and not an {,CALL_,JUMP_}INSN.
6397 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6399 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
6400 again for the slot after we give it RTL.
6402 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
6404 * configure.in (haifa configury): Fix typo.
6405 * configure: Regenerate.
6407 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
6409 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
6411 * gcc.info*: Rebuilt.
6413 * COPYING.g77, README.g77: New files.
6414 * real.c (ereal_unto_float, ereal_unto_double): New functions.
6415 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
6416 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
6418 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
6420 * Integrate Haifa instruction scheduler.
6421 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
6422 to sched with $(SCHED_CFLAGS.
6423 * configure.in: Handle --enable-haifa.
6424 * configure: Rebuilt.
6425 * flags.h: Add new flags for haifa instruction scheduler.
6426 * genattrtab.c (expand_units): For haifa, don't subtract one
6427 when computing blockage.
6428 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
6429 (flag_schedule_speculative): Ditto.
6430 (flag_schedule_speculative_load): Ditto.
6431 (flag_schedule_speculative_load_dangerous): Ditto.
6432 (flag_schedule_reverse_before_reload): Ditto.
6433 (flag_schedule_reverse_after_reload): Ditto.
6434 (flag_branch_on_count_reg): Ditto.
6435 (f_options): Add Haifa switches.
6436 (main): Turn off some Haifa options if appropriate macro is
6437 defined. Process Haifa switches.
6438 * unroll.c (iteration_info): No longer static, since Haifa
6440 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
6441 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
6442 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
6443 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
6444 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
6445 storage for the Haifa scheduler.
6446 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
6448 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
6449 are defined, call analyze_loop_iterations and insert_bct to use
6451 (record_giv): Refine test for jumps out of loops if HAIFA is
6453 (analyze_loop_iterations): New function to identify if we can use
6455 (insert_bct): Insert countdown loop.
6456 (instrument_loop_bct): Low level code to insert countdown loop.
6457 (loop_number): Calculate UID of loop.
6458 (indirect_jump_in_function_p): Return true if an indirect jump is
6460 (is_power_of_2): Return true if value is a power of 2.
6461 (is_conditional_branch): Return true if insn is a conditional
6463 (fix_bct_param): Process -fbct-{min,max}-N switches.
6464 (check_bct_param): Return true if loop should be instrumented.
6465 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
6466 (loop_optimize): Initialize.
6467 (get_condition_for_loop): Ditto.
6468 * loop.c (strength_reduce): Inside of code that uses #ifdef
6469 HAVE_decrement_and_branch_on_count code, test it to make sure the
6471 (instrument_loop_bct): Ditto.
6472 * haifa-sched.c: New file.
6475 * Integrate regmove pass.
6476 * Makefile.in (OBJS): Add regmove.o
6477 (regmove.o): Add dependencies.
6478 * flow.c (find_use_as_address): No longer static.
6479 * rtl.h (find_use_as_address): Declare.
6480 * toplev.c (regmove_dump, flag_regmove): Define.
6481 (f_options): Add -fregmove.
6482 (regmove_dump_file, regmove_time): Define.
6483 (fatal_insn): Close the regmove dump file.
6484 (compile_file): Initialize regmove_time; open/close the regmove dump
6485 file as needed. Print regmove time as needed.
6486 (rest_of_compilation): Run regmove pass if requested, dump
6487 RTL after regmove if requested.
6488 (main): If -O2 or more, turn on regmove. Handle dump switches.
6489 * regmove.c: New file.
6491 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
6493 * Integrate tlink patch from jason@cygnus.com
6494 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
6495 (process_command): Increment n_switches for them. Don't discard
6496 their args. Validate them.
6497 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
6499 (process_command): Set include_prefixes from COMPILER_PATH.
6500 (main): Set COLLECT_GCC_OPTIONS sooner.
6501 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
6502 * tlink.c, hash.c, hash.h: New files.
6503 * Makefile.in (USE_COLLECT2): Always use collect2.
6504 (collect2): Depend on and link in hash.o and tlink.o.
6505 (tlink.o, hash.o): Add dependencies.
6507 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
6509 * Integrate alias analysis changes from jfc@mit.edu
6510 * Makefile.in (OBJS): Add alias.o
6511 (alias.o): Add dependencies.
6512 * alias.c: New file.
6513 * sched.c: Remove alias analysis code. It lives in alias.c now.
6514 (sched_analyze_2): Add new arguments to true_dependence.
6515 (schedule_insns): Always call init_alias_analysis.
6516 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
6517 mark return value from such functions as a pointer and keep track of
6518 them for alias analysis. If a return value from a function is a
6519 pointer, mark it as such.
6520 * combine.c (distribute_notes): Handle REG_NOALIAS.
6521 * cse.c (struct write_data): Delete. No longer needed.
6522 (invalidate): Don't call set_nonvarying_address_components anymore.
6523 Use true_dependence to decide if an entry should be removed from
6525 (invalidate_memory): Remove WRITES argument, simplify appropriately.
6527 (note_mem_written): Similarly for WRITE_PTR argument.
6528 (invalidate_from_clobbers): Similarly for W argument.
6529 (invalidate_for_call): Remove memory elements from the hash table.
6530 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
6531 (cse_rtx_varies_p): New function. Derived from old
6532 cse_rtx_addr_varies_p.
6533 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
6534 Don't call note_mem_written anymore. Stack pushes invalidate the stack
6535 pointer if PUSH_ROUNDING is defined. No longer need to call
6536 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
6537 (skipped_writes_memory): Remove variable.
6538 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
6539 (invalidate_skipped_block): Simplify for new alias analysis code.
6540 (cse_set_around_loop): Likewise.
6541 (cse_main): Call init_alias_analysis.
6542 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
6543 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
6544 (f_options): Add new alias checking arguments.
6545 (main): Set flag_alias_check when optimizing.
6546 * local_alloc (validate_equiv_mem_from_store): Add new arguments
6548 (memref_referenced_p): Likewise.
6549 * loop.c (NUM_STORES): Increase to 30.
6550 (prescan_loop): Only non-constant calls set unknown_address_altered.
6551 (invariant_p): Add new arguments to true_dependence.
6552 (record_giv): Initialize unrolled and shared fields.
6553 (emit_iv_add_mult): Call record_base_value as needed.
6554 * loop.h (struct induction): Add unrolled and shared fields.
6555 * unroll.c (unroll_loop): Call record_base_value as needed.
6556 (copy_loop_body): Likewise.
6557 (final_biv_value): Likewise.
6558 (final_giv_value): Likewise.
6559 (find_splittable_regs): Likewise. Only create one new pseudo
6560 if we have multiple address GIVs that were combined with the same
6561 dst_reg GIV. Note when a new register is created due to unrolling.
6562 * rtl.c (reg_note_name): Add REG_NOALIAS.
6563 * rtl.h (enum reg_note): Similarly.
6564 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
6565 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
6566 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
6567 (true_dependence, read_dependence, anti_dependence): Likewise.
6568 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
6569 (mark_user_reg, mark_reg_pointer): Likewise.
6572 * Integrate reload bugfix from Wilon which enables the PA port
6574 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
6575 OPERAND_ADDRESS when computing how many registers an insn needs.
6576 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
6578 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
6580 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
6581 in reload_reg_use_in_op_addr do not reach the end.
6582 do not reach the end.
6583 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
6584 RELOAD_FOR_OPERAND_ADDRESS.
6586 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
6588 * egcs project officially starts.