1 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3 * final.c (shorten_branches): Remove conditionalizing on
4 SHORTEN_WITH_ADJUST_INSN_LENGTH
5 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
7 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
9 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
10 an unconditional jump around deleted blocks.
12 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
14 * profile.c (branch_prob): If see computed goto, call fatal instead of
17 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
19 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
20 Patch from Bruno Haible.
22 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
23 (assign_parms): Set aggregate if hide_last_arg and last_named.
25 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
27 * final.c (shorten_branches): Initialize insn_addresses.
29 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
31 * sh.h (MUST_PASS_IN_STACK): Define.
33 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
35 * final.c (shorten_branches): Fix minor logic error in
36 ADDR_DIFF_VEC shortening support.
38 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
40 * version.c: Bump for snapshot.
42 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
44 * haifa-sched.c (is_cfg_nonregular): Change return type to
45 an int. No longer compute "estimated" number of edges. Use
46 computed_jump_p instead of duplicating the code. Fixup/add
48 (build_control_flow): Returns a value indicating an irregularity
49 in the cfg was detected. Count the number of edges in the cfg.
50 allocate various edge tables.
51 (find_rgns): No longer look for unreachable blocks.
52 (schedule_insns): Do not allocate memory for edge tables here.
53 Free memory for edge tables before returning. Do not perform
54 cross block scheduling if build_control_flow returns nonzero.
55 * flow.c (compute_preds_succs): More accurately determine when
58 * basic-block.h (free_basic_block_vargs): Provide prototype.
60 * cccp.c (main): Fix dumb mistakes in last change.
62 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
64 * rtl.h (addr_diff_vec_flags): New typedef.
65 (union rtunion_def): New member rt_addr_diff_vec_flags.
66 (ADDR_DIFF_VEC_FLAGS): New macro.
68 * sh.c (output_branch): Fix offset overflow problems.
70 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
71 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
72 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
73 * stmt.c (expand_end_case): Supply new arguments to
74 gen_rtx_ADDR_DIFF_VEC.
75 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
76 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
77 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
78 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
79 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
80 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
81 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
82 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
83 * i386/freebsd.h, i386/linux.h : Likewise.
84 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
85 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
86 * m68k/mot3300.h, m68k/sgs.h : Likewise.
87 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
88 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
89 (CASE_VECTOR_SHORTEN_MODE): Define.
90 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
91 (med_branch_p, braf_branch_p): Don't declare.
92 (mdep_reorg_phase, barrier_align): Declare.
93 (ADJUST_INSN_LENGTH): Remove alignment handling.
94 * sh.c (uid_align, uid_align_max): Deleted.
95 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
96 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
97 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
98 (output_far_jump): Don't use braf_branch_p.
99 (output_branchy_insn): Don't use branch_offset.
100 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
101 Remove paired barrier stuff.
102 Don't use cache_align_p.
103 Take alignment insns into account.
104 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
106 (barrier_align, branch_dest): New function.
107 (machine_dependent_reorg, split_branches): Remove infrastructure
108 for branch shortening that is now provided in the backend.
109 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
110 (braf_branch_p, braf_cbranch_p): Likewise.
111 (attribute length): Use new attributes.
112 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
113 (addr_diff_vec_adjust): Delete.
114 (align_2): Now a define_expand.
115 (align_log): Now length 0.
117 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
119 * m32r.md (right): Correctly check for length == 2, not 1.
121 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
123 * mips/mips.h: Prototype `machine_dependent_reorg'.
124 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
126 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
128 * final.c (shorten_branches): Restore accidentally removed code.
130 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
132 * configure.in: Remove duplicate uses of AC_PROG_CC and
135 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
137 * configure.in (target_cpu_default2): Correct typo for alphapca56.
139 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
140 Doug Evans (devans@cygnus.com)
142 * haifa-sched.c (build_jmp_edges): Delete dead function.
143 (build_control_flow): Use cfg routines from flow.c
144 (schedule_insns): Remove debugging code accidentally checked
147 * basic-block.h: Add external integer list structures, typdefs,
148 accessor macros and function declarations. Simlarly for
149 basic block pred/succ support and simple bitmap stuff.
150 * flow.c: Add functions for integer list, basic block pred/succ
151 support and simple bitmap support.
152 (compute_dominators): New function to compute dominators and
154 (find_basic_blocks): Split into two functions.
155 (life_analysis): Likewise.
156 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
157 the life_analysis from toplev.c
158 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
159 life_analysis instead of flow_analysis.
161 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
163 * jump.c (jump_optimize): Call mark_jump_label also for deleted
165 (mark_jump_label): Don't increment ref counts for deleted insns.
167 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
169 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
171 * mips/mips.c: Include stdlib.h and unistd.h.
172 (mips_asm_file_end): Add braces around empty body in an if-statement.
173 (function_prologue): Wrap variable `fnname' in
174 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
175 (mips_select_rtx_section, mips_select_section): Declare as void.
177 * mips/mips.h: Add prototypes for extern functions in mips.c.
178 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
179 (ENCODE_SECTION_INFO): Add braces around empty body in an
182 * mips/mips.md (movdi): Add parentheses around && within ||.
183 (movsf, movdf): Likewise.
184 (branch_zero, branch_zero_di): Add default case in
188 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
190 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
191 real constants, since they can't be changed.
192 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
193 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
194 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
195 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
196 * alpha/vms.h (TARGET_OPEN_VMS): New.
197 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
199 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
201 * reload.c (find_reloads): Always force (subreg (mem)) to be
202 reloaded if WORD_REGISTER_OPERATIONS.
204 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
206 * haifa-sched.c (free_list): Rename from free_pnd_lst.
207 (free_pending_lists): Rename free_pnd_lst uses.
208 (remove_dependence): Place expunged element on unused_insn_list.
209 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
210 gen_rtx_*_LIST and alloc_rtx to use them.
211 (compute_block_backward_dependences): Free the reg_last_* lists.
213 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
215 * cccp.c (main): Avoid undefined behavior when setting pend_includes
218 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
220 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
221 USE_GNULIBC_1 is defined
222 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
223 includes the t-linux-gnulibc1 fragment
225 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
227 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
229 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
231 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
233 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
235 * final.c (shorten_branches): Tag the loop alignment onto the
236 first label after NOTE_INSN_LOOP_BEG even if there is an
239 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
241 * final.c (insn_current_reference_address):
242 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
243 proper alignment chain.
245 * final.c (max_labelno): New static variable.
246 (final_scan_insn): Check max_labelno before outputting an
247 alignment for a label.
248 (shorten_branches): Remove unused variable length_align.
250 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
252 * sparc.c (ultrasparc_adjust_cost): Add default case in
255 * sparc.h: Add prototypes for extern functions defined in
258 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
260 * toplev.c: Only generate <name>.dbr file when dumping RTL if
261 DEALY_SLOTS is defined.
263 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
265 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
266 in call to fill_slots_from_thread.
268 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
270 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
271 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
273 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
275 * final.c (insn_last_address, insn_current_align, uid_align):
277 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
278 (insn_current_reference_address): Likewise.
279 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
280 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
281 (label_to_alignment): New function.
282 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
283 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
284 insn_current_reference_address instead of insn_current_address.
285 (or_attr_value, write_length_unit_log): New functions.
286 (main): Call write_length_unit_log.
287 (write_const_num_delay_slots): Output extra '\n'.
288 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
290 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
291 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
292 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
294 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
295 (LABEL_ALIGN_AFTER_BARRIER).
296 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
297 * ns32k/tek6000.h: Likewise.
298 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
299 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
300 ASM_OUTPUT_ALIGN_CODE.
302 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
304 * version.c: Bump for snapshot.
306 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
308 * version.c: Bump for snapshot.
310 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
312 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
313 if condition code of jump conflicts with opposite_needed.
315 * reorg.c (fill_slots_from_thread): Mark resources referenced in
316 opposite_needed thread. Return delay_list even when cannot get
317 any more delay insns from end of subroutine.
319 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
321 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
324 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
326 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
327 end_fde_sort): New functions for fast sorting of an FDE array.
328 (fde_insert): Simplified.
329 (add_fdes): Change argument list.
330 (frame_init): Use the new functions.
332 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
334 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
336 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
338 * fold-const.c (fold_range_test): Always return a value.
340 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
342 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
343 data in the text section unless READONLY_DATA_SECTION is defined.
345 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
347 * c-parse.in (undeclared variable error): Tweak error message to
350 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
352 * version.c: Bump for snapshot.
354 1998-02-28 Mark Mitchell <mmitchell@usa.net>
356 * final.c (final_scan_insn): Undo overzealous removal of `set'.
358 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
360 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
361 case, add parentheses to specify the proper order of precedence in
365 * c-aux-info.c: Include string.h/strings.h.
367 * pa.c: Include stdlib.h.
368 (pa_combine_instructions): Prototype the function.
369 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
370 (reloc_needed): Add default case for enumeration switch.
371 (remove_useless_addtr_insns): Remove unused variable `all'.
372 (hppa_expand_prologue): Add explicit braces to avoid
374 (output_function_epilogue): Remove unused variable `i'.
375 (output_millicode_call): Remove unused variable `link'.
376 (shadd_constant_p, forward_branch_p): Make the function static.
377 (following_call): Explicitly declare to return int.
378 (pa_reorg): Declare as void.
379 (pa_combine_instructions): Declare as static void. Add
380 parentheses around && within ||.
382 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
383 following_call, function_label_operand, lhs_lshift_cint_operand
386 * pa.md: Add parentheses around && within ||.
388 * cppalloc.c: Include stdlib.h.
390 * cpperror.c (cpp_print_containing_files): Remove unused variable
391 `i'. Fix format specifier in fprintf.
393 * cse.c (cse_around_loop): Add explicit braces to avoid
395 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
397 * expr.c (expand_expr): Add parentheses around && within ||.
399 * final.c (app_enable): Replace fprintf with fputs where there are
400 no format specifiers and no trailing argument after the string.
401 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
402 (app_disable): Likewise.
403 (final_end_function): Likewise.
404 (final_scan_insn): Likewise. Remove unused variable `set'.
405 (profile_function): Wrap empty if-statement body in {} brackets.
407 * function.c: Include stdlib.h.
408 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
409 (reposition_prologue_and_epilogue_notes): Add parentheses
410 around assignment used as truth value.
412 * integrate.c (expand_inline_function): Wrap variable
413 `cc0_insn' in macro HAVE_cc0.
415 * jump.c (jump_optimize): Wrap variable `q' in macro
416 HAVE_cc0. Remove unused variable `prev1'.
418 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
419 within ||. Fix format specifier in fprintf.
420 (__bb_init_prg): Add parentheses around assignment used as
423 * local-alloc.c: Include stdlib.h.
424 (requires_inout): Add parentheses around assignment used
427 * loop.c (analyze_loop_iterations): Wrap prototype and definition
428 in macro HAVE_decrement_and_branch_on_count.
429 (insert_bct, instrument_loop_bct): Likewise.
430 (move_movables): Add parentheses around assignment used as
432 (consec_sets_invariant_p): Likewise.
433 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
435 * objc/objc-act.c: Include stdlib.h.
436 (lookup_method_in_protocol_list): Wrap empty else-statement body
438 (lookup_protocol_in_reflist): Likewise.
439 (objc_add_static_instance): Remove unused variables `decl_expr'
441 (get_objc_string_decl): Remove unused variable `decl'.
442 (generate_static_references): Remove unused variables `idecl' and
444 (check_protocols): Wrap empty else-statement body in braces.
446 * protoize.c: Include stdlib.h.
447 (substr): Add parentheses around assignment used as truth value.
449 (shortpath): Likewise.
451 * regmove.c (fixup_match_1): Add parentheses around assignment
454 * reload.c (push_secondary_reload): Remove unused variable `i'.
455 (find_reloads): Add parentheses around assignment used as truth
458 * reload1.c: Include stdlib.h.
460 * rtl.h: Correct typo in prototype of offsettable_memref_p.
462 * stmt.c (add_case_node): Add parentheses around assignment used
464 (case_tree2list): Likewise.
466 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
467 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
468 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
469 (merge_attributes): Add explicit braces to avoid ambiguous
472 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
475 * varasm.c: Include stdlib.h.
478 * system.h: Remove sys/stat.h.
479 * gcc.c: Add sys/stat.h.
481 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
482 * genattrtab.c: Likewise.
483 * genconfig.c: Likewise.
484 * genemit.c: Likewise.
485 * genextract.c: Likewise.
486 * genflags.c: Likewise.
487 * genopinit.c: Likewise.
488 * genoutput.c: Likewise.
489 * genpeep.c: Likewise.
490 * genrecog.c: Likewise.
491 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
493 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
495 * invoke.texi: Use @itemx for a secondary item in a @table.
497 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
500 1998-02-26 Ken Raeburn <raeburn@cygnus.com>
502 * regclass.c (init_reg_sets): Move init of move cost tables...
503 (init_reg_sets_1): ...to here.
505 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
507 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
509 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
511 * i386.c (struct machine_function): Add new fields for PIC stuff.
512 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
514 (restore_386_machine_status): Corresponding changes.
515 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
517 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
519 * c-parse.y (undeclared variable error): Tweak error message
522 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
524 * flags.h (g_switch_value, g_switch_set): Declare.
525 * alpha.c (override_options): Set g_switch_value=8 if not set.
526 * alpha/elf.h (CC1_SPEC): New.
528 (LINK_SPEC): Pass along the -G value we were given.
529 (LOCAL_ASM_OP): Remove.
530 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
531 (MAX_OFILE_ALIGNMENT): New.
532 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
533 (EXTRA_SECTIONS): Add sbss and sdata.
534 (SECTION_FUNCTION_TEMPLATE): New.
535 (EXTRA_SECTION_FUNCTIONS): Use it.
536 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
537 (SELECT_SECTION): Use sdata when small enough.
538 * alpha/linux.h (ASM_SPEC): Remove.
541 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
542 * config.sub (sco5): Fix typo.
544 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
546 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
548 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
549 * config/alpha/t-linux: Remove file.
550 * config/sparc/t-linux: Remove file.
551 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
552 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
553 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
555 (alpha*-*-linux-gnu*): Likewise.
556 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
557 (sparc-*-linux-gnu*): Likewise.
559 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
560 * collect2.c (ldd_file_name): Bracket declaration with same
562 (full_real_ld_suffix): Deleted. Variable was calloced and
563 written into, but never read.
565 1998-02-23 Mike Stump <mrs@wrs.com>
567 * configure.in: Add support for i386-wrs-vxworks configuration.
568 * i386/vxi386.h: New file.
570 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
572 * tree.c (contains_placeholder_p): Ensure function always returns
574 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
575 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
577 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
579 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
581 1998-02-22 Paul Eggert <eggert@twinsun.com>
583 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
584 Define this new symbol.
585 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
586 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
587 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
589 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
591 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
592 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
594 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
596 * objc/Object.m (-error): Call objc_verror with our va_list.
598 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
600 * collect2.c (scan_prog_file): Completely cover uses of variable
601 `exports' with macro COLLECT_EXPORT_LIST.
603 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
605 * version.c: Bump for snapshot.
607 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
609 * sched.c (schedule_block): Remove code to get arguments from hard
610 regs into pseudos early. Same as Aug 25, 1997 change to
613 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
615 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
617 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
619 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
620 continuation character (line 243).
622 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
624 * genrecog.c (main): Remove duplicated sentence in emitted comment.
626 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
627 David Edelsohn <edelsohn@mhpcc.edu>
629 * collect2.c (XCOFF_SCAN_LIBS): Remove.
630 (export_flag): New variable.
631 (export_file): #ifdef COLLECT_EXPORT_LIST.
632 (import_file, exports, imports, undefined): New variables.
633 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
634 (dump_list, dump_prefix_list, is_in_list): New functions.
635 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
636 (write_import_file, resolve_lib_name): New functions.
637 (use_import_list, ignore_library): Same.
638 (collect_exit): maybe_unlink import_file and #ifdef.
640 (main): New variable importf, #ifdef exportf. Move parsing of
641 -shared before general argument parsing. Resolve AIX library
642 paths and import libgcc.a symbols. Treat .so shared libraries the
643 same as objects and .a libraries. Create alias for object_lst and
644 increment it instead of original pointer. Scan AIX libraries as
645 objects earlier instead of using scan_libraries. Perform AIX
646 tlink later to resolve templates instead of forking ld.
647 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
648 (GCC_UNDEF_SYMBOL): New macro.
649 (scan_prog_file): Loop for members of AIX libraries. Handle
650 export/import of ctors/dtors.
651 (aix_std_libs): New variable.
652 (scan_libraries, XCOFF): Delete.
654 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
656 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
658 1998-02-19 Mike Stump <mrs@wrs.com>
660 * Makefile.in: Use $tooldir for sys-include to match toplevel
663 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
664 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
666 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
668 * emit-rtl.c (hard-reg-set.h): Include.
669 (get_lowpart_common): Don't make new REG for hard reg in a
670 class that cannot change size.
671 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
673 * combine.c: Revert previous patch.
675 1998-02-19 Paul Eggert <eggert@twinsun.com>
677 * config/sparc/sol2-sld.h: New file.
678 * configure.in (sparc-*-solaris2*): Use it when using the
681 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
683 * loop.c (force_movables): Fix typo.
685 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
687 * m88k.h: Change file pattern to match reality.
689 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
691 * varasm.c (output_constant_pool): Fix dumb thinko in last
694 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
695 a function name to a section name.
697 1998-02-18 Doug Evans <devans@cygnus.com>
699 * tree.h (merge_machine_{type,decl}_attributes): Declare.
700 (split_specs_attrs, strip_attrs): Add prototypes.
701 * tree.c (merge_machine_{type,decl}_attributes): New functions.
702 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
703 Update olddecl's attributes too.
704 * c-common.c (strip_attrs): New function.
705 * c-typeck.c (common_type): Call merge_machine_type_attributes.
706 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
707 (make_decl_rtl): Likewise.
709 1998-02-18 Jim Wilson <wilson@cygnus.com>
711 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
713 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
715 Remove this change until we can fix it correctly.
716 * collect2.c: Bracket declaration of 'exportf' and
717 'full_real_ld_suffix'.
719 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
721 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
723 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
725 * c-common.c (c_expand_start_cond, c_expand_end_cond,
726 c_expand_start_else): Don't warn about non-ambiguous else even if
729 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
731 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
732 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
735 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
737 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
738 simplifying a subreg of a hard reg.
739 (expand_compound_operation): Likewise.
740 (force_to_mode): Likewise.
742 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
744 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
745 (lshift_double): Add parentheses around + or - inside shift.
746 (rshift_double): Likewise.
747 (size_int_wide): Explicitly set type of `bit_p' to `int'.
749 * Makefile.in (fold-const.o): Depend on system.h.
751 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
754 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
755 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
756 (sched_note_set): Remove unused parameter `b', all callers changed.
757 (schedule_block): Likewise for `rgn'.
758 (split_hard_reg_notes): Likewise for `orig_insn'.
759 (check_live): Likewise for `trg'.
760 (update_live): Likewise.
761 (check_live_1): Explcitly declare variable `i' as int.
762 (update_live_1): Likewise.
763 (insn_issue_delay): Remove unused variable `link'.
764 (sched_analyze_2): Add default case in enumeration switch.
765 (schedule_insns): Remove unused variable `i'.
767 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
769 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
771 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
772 a dangling else clause.
774 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
776 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
777 pointer for the stack pointer in MIPS16 and 64BIT.
779 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
781 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
782 * emit-rtl.c (force_line_numbers, restore_line_number_status):
784 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
785 (expand_start_case): Adjust to this change.
786 (check_seenlabel): New function.
787 (pushcase, pushcase_range, expand_endcase): Use it.
789 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
791 * i386.md (adddi3): Add =!r,0,0,X alternative.
793 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
795 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
796 * x-aix31 (INSTALL): Delete.
798 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
800 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
801 tsize changes to something other than zero.
803 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
805 * ginclude/va-mips.h: Replace casts of pointers to int with
806 casts of pointers to __PTRDIFF_TYPE__.
808 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
810 * loop.c (strength_reduce, record_biv, record_giv): Use
811 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
813 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
815 * tree.c (first_rtl_op): New fn.
816 (unsave_expr_now): Use it.
817 * print-tree.c (print_node): Likewise.
818 * tree.c (has_cleanups): New fn.
819 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
820 conservative about pushing the cleanup point down.
821 * tree.h: Declare them.
823 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
825 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
826 (flag_schedule_reverse_after_reload): Likewise.
827 (f_options): Remove reverse scheduling support.
828 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
829 (flag_schedule_reverse_after_reload): Likewise.
830 * haifa-sched.c (rank_for_schedule): Remove support for reverse
833 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
835 * gcc.c: Get system includes, prototypes and macros via "system.h"
836 instead of doing it manually. Change all calls of the ctype
837 macros to custom versions defined in "system.h".
839 * system.h: Fix return type of bcmp prototype from `void' to `int'.
840 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
841 Add a prototype for getenv.
843 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
845 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
847 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
849 * alias.c: Include <stdlib.h> and <string.h>.
850 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
852 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
854 * version.c: Bump for snapshot.
856 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
858 * arm.md (movsfcc): Also validate operands[3] when compiling hard
860 (movdfcc): Only accept fpu_add_operand for operands[3].
862 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
863 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
865 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
867 * varasm.c (output_constant_pool): Bring back 'done' label inside
868 an appropriate #ifdef.
870 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
872 (bitmap_copy, bitmap_operation): Likewise.
873 * combine.c (combinable_i3pat): Similarly for 'src'.
874 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
875 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
876 * regclass.c (copy_cost): Similarly for 'secondary_class'.
877 * reload.c (make_memloc): Simliarly for 'i'.
878 (find_reloads_address_1): Similarly for 'link'.
879 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
880 (emit_reload_insns): Similarly for 'second_reloadreg'.
881 * unroll.c (iteration_info): Similarly for 'v'.
883 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
884 * calls.c (expand_call): Similarly for 'i'.
885 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
886 * fold-const.c (strip_compund_expr): Similarly for 'type'.
887 * function.c (fixup_var_refs_1): Similarly for 'width'.
888 (fixup_memory_subreg): Similarly for 'saved'.
889 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
890 (setjmp_protect): Similarly for 'sub'.
891 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
892 * loop.c (record_giv): Similarly for 'p'.
893 (combine_givs): Similarly for 'temp_iv'.
894 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
895 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
896 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
897 * unroll.c (unroll_loop): Similarly for 'copy'.
898 (iteration_info): Similarly for 'b'.
899 * varasm.c (assemble_string): Similarly for 'i'.
900 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
902 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
904 * dwarf2out.c (decl_scope_node): New type.
905 (decl_scope_table): Change type to use it.
906 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
907 (push_decl_scope): Use new type. New locals containing_scope, i.
908 Add code to handle setting previous field.
909 (scope_die_for): Change type of local i to int. Add code to use
911 (dwarf2out_init): Use new type.
913 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
915 * except.c (emit_throw): Lose throw_used.
917 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
919 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
921 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
923 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
925 * genextract.c (main): Fix typo.
927 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
929 * c-lang.c (finish_file): Bracket declaration of static_ctors,
932 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
933 'old_stack_arg_under_construction'
934 (emit_library_call): Bracket declaration of 'upper_bound',
935 'lower_bound', 'i', 'reg_parm_stack_space'
936 (emit_library_call_value): Likewise.
939 * collect2.c: include <unistd.h> when appropriate.
940 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
942 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
944 * explow.c (plus_constant_for_output_wide): Remove unused variable
946 (memory_address): Remove unused variable 'orig_x'.
948 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
949 (write_const_num_delay_slots): Remove unused variable 'i'.
951 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
952 (gen_insn): Remove unused variable 'obstack_ptr'.
954 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
956 (__bb_exit_trace_func): Remove unused variable 'e'.
958 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
960 (expand_unop): Remove unused variable 'funexp'.
961 (expand_complex_abs): Remove unused variable 'funexp'.
962 (init_optabs): Bracket declaration of 'j'.
963 (init_complex_libfuncs): Deleted. Dead static function.
965 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
967 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
968 (reg_to_stack): 'initialized', 'before_function_beg'
969 explictly type as ints instead of defaulting.
970 (emit_swap_insn): Remove unused variable 'i2'.
971 (compare_for_stack_reg): Remove unused variable 'src_note'.
973 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
975 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
977 * stmt.c (add_case_node): Add parens for assignment used as truth.
978 (all_cases_count): Remove unused variable 'count_high'.
979 (mark_seen_cases): Remove unused variable 'i'.
980 (check_for_full_enumeration_handling): Remove unused variable 't'.
981 Bracket declaration of 'all_values', 'l'.
983 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
985 * varasm.c (assemble_string): Remove unused variable 'i'.
986 (immed_double_const): Remove unused variable 'in_current_obstack'.
987 (immed_real_const_1): Likewise.
988 (output_constant_pool): Remove unreferenced label 'done'.
989 (output_constant): Remove unused variable 'x'.
991 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
994 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
997 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
999 * combine.c (can_combine_p): Handle USEs in PARALLELs.
1001 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
1003 * config/linux.h (LIB_SPEC): Add -lc for -shared if
1004 USE_GNULIBC_1 is not defined.
1005 * config/sparc/linux.h; Ditto.
1007 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
1009 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
1010 USE_GNULIBC_1 is not defined.
1012 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1014 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
1017 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1019 * system.h: New file to get common systems includes and various
1020 definitions and declarations based on autoconf macros.
1022 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
1024 * cccp.c (new_include_prefix): Correctly handle -I./.
1026 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
1028 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
1030 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
1032 * expr.c (expand_assignment): Correct typo exposed by -Wall.
1033 offset should have been a truth value, not an assignment.
1035 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
1037 * cse.c (delete_dead_from_cse): If a libcall produces a constant
1038 result and that result can be substituted into SET_SRC of the
1039 insn with the REG_RETVAL note, then perform the substitution
1040 and delete the libcall.
1042 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
1044 * mips.md (trucndihi2,truncdiqi2): Change these to support
1047 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
1049 * mips/mips.c (movdi_operand): Direct referances to symbols
1050 that arn't mips16 consts in mips16 mode arn't valid operands.
1052 * mips/mips.c (mips_move_2words): Add gprel handling.
1054 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
1056 * mips.md (extendsidi2): Allow extension to/from a non-mips16
1059 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
1061 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
1064 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1066 * Makefile.in (WARN_CFLAGS): New variable.
1067 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
1069 1998-02-11 Mark Mitchell <mmitchell@usa.net>
1071 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
1072 falling through default case in switch.
1073 (i386_aligned_p): Likewise.
1075 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
1077 * mips/mips.h (mips_abi_string): Correct typo in comment.
1079 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
1081 * mips/mips.md (movdi): These PLUS's need to be Pmode.
1083 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1085 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
1086 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
1087 indirectly via expr.h.
1089 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
1091 * stor-layout.c (layout_type): Do upper - lower in the native type,
1092 so as to properly handle negative indices.
1094 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
1096 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
1097 (expand_eh_region_start_tree): Remove unused variable 'note'.
1098 (exception_optimize): Remove unused variable 'regions'.
1099 (expand_builtin_eh_stub): Remove unused variable 'temp'.
1100 (copy_eh_entry): Deleted. Dead function.
1102 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
1103 'last' with same #if HAVE_load_multiple as use of it.
1104 (move_block_from_reg): Likewise.
1105 (emit_move_insn_1): Remove unused variable 'insns'.
1106 (store_constructor): Bracket declaration of startb, endb with
1107 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
1108 'target', and 'xtarget'.
1109 (expand_builtin_setjmp): Remove unused variables 'op0',
1110 'next_arg_reg', 'old_inhibit_defer_pop'.
1111 (expand_builtin): Remove unused variable 'offset'.
1112 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
1113 (emit_queue): Add parens for assignment used as conditional.
1114 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
1116 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
1118 * i386.c: Added include for recog.h.
1119 (override_options): Removed unused variable p. Initialized regno to
1121 (order_regs_for_local_alloc): Initialized regno to avoid warning.
1122 (legitimize_address): Likewise for 'other'.
1123 (i386_aligned_reg_p): Added default case with abort ().
1124 (print_operand): Likewise.
1125 (reg_mentioned_in_mem): Likewise.
1126 (ix86_expand_binary_operator): Removed unused variables i & insn.
1127 (ix86_expand_unary_operator): Removed unused variable insn.
1128 (output_fp_cc0_set): Removed unused variable unordered_label.
1130 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
1132 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
1133 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
1134 and format string match.
1136 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
1138 * flow.c (life_analysis): Do not conside the stack pointer live at
1139 the end of a function if the fucntio ncalls alloca.
1140 (mark_used_regs): Similarly.
1142 1998-02-10 John F Carr <jfc@mit.edu>
1144 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
1145 1, fzero on alternative 8.
1147 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1149 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
1151 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1153 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
1154 SUBREGs of CONST_INTs.
1156 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
1158 * mips.c (print_operand, function_prologue): Make printf format
1159 match argument type.
1161 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1163 * alpha.c (alpha_return_addr): Remove unused variable `first'.
1164 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
1165 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
1167 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1169 * loop.c (strength_reduce): When placing increment for auto-inc
1170 case, do comparison in loop order.
1172 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
1174 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
1175 not a HOST_WIDE_INT.
1177 * calls.c (expand_call): Change test of expand_inline_function
1178 return value to stop compiler warning.
1180 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
1182 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
1183 Jeff Law (law@cygnus.com)
1185 * regmove.c: Fix various minor formatting problems.
1186 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
1187 is true. Make end of basic block tests consistent through regmove.c.
1188 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
1189 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
1191 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1193 * gansidecl.h: Check for a conflicting macro definition before
1194 attempting to prototype bcopy, bcmp or bzero.
1196 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
1198 * expr.c (clear_pending_stack_adjust): Handle case where a function
1199 calls alloca, but the user has specified -fomit-fframe-pointer.
1201 * function.c (assign_parms): Fix typo in last change.
1203 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
1205 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
1207 (free_path_suffix): Remove unreferenced static function.
1208 (process_command): Remove unused variable temp.
1209 (default_arg): Remove unused variable i.
1210 (do_spec_1): Add parens for assignment used as truth value.
1212 (validate_all_switches): Likewise.
1213 (main): Remove unused variables i, first_time>
1215 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
1217 * calls.c (expand_call): Remove unused variables funtree,
1218 n_regs, and tmpmode.
1220 * dbxout.c, except.c: Include <string.h>/<strings.h>.
1222 * explow.c: (plus_constant_for_output_wide) Removed unused
1223 variable all_constant.
1225 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
1226 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
1227 genrecog.c, global.c, integrate.c , stupid.c : Include
1230 * genextract.c: (walk_rtx) Remove unused variable link.
1232 * genrecog.c: (concat) Remove unreferenced static function.
1234 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
1236 * stmt.c: Include <stdlib.h>.
1237 (expand_asm_operands): Remove unused variable val1.
1238 (expand_return): Remove unused variable block.
1239 (pushcase): Remove unused variables l and n.
1240 (pushcaserange): Likewise.
1242 * unroll.c (unroll_loop): Remove unused variable temp.
1244 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
1246 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
1248 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1250 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
1251 functions for whether they support the %p format specifier.
1252 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
1253 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
1254 * configure, config.in: Rebuild.
1256 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
1258 * function.c (assign_parms): New variable named_arg, with value
1259 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
1261 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
1263 * mips/t-r3900: New - same as t-ecoff but eliminate
1264 multilibs: mips1 and mips3.
1265 * configure.in (tx39*): Use new mips/t-r3900.
1266 * configure: Rebuild.
1267 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
1269 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
1271 * dwarf2out.c: Add old_args_size.
1272 (dwarf2out_args_size): Use it.
1273 (dwarf2out_begin_prologue): Initialize it.
1274 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
1275 pushed args until we see a call.
1276 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
1277 before outputting them.
1279 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
1281 * cplus-dem.c (demangle_template_template_parm): New function.
1282 (demangle_template): Handle template template parameters.
1284 1998-02-02 Mark Mitchell <mmitchell@usa.net>
1286 * calls.c (expand_call): Don't confuse member functions named
1287 realloc, setjmp, and so forth with the standard library
1288 functions of the same names.
1290 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
1292 * stmt.c (expand_asm_operands): Correctly identify asm statements
1295 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
1297 * c-common.c (decl_attributes): Flag unrecognized attribute
1298 functions as warnings instead of as errors.
1300 1998-02-05 Marc Lehmann <pcg@goof.com>
1302 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
1303 when -Os is specified.
1304 * toplev.c (main): Don't disable flag_inline_functions anymore when
1307 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1309 * regmove.c: Update.
1310 * flags.h (flag_regmove): Declare.
1311 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
1312 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
1313 Moved into regmove; changed caller.
1314 * toplev.c (rest_of_compilation): Call regmove_optimize also for
1315 expensive_optimizations.
1317 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
1319 * version.c: Bump for snapshot.
1321 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1322 Undo this change (the problem was actually in reload):
1323 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1325 * sh.md (movqi_i+1): New peephole.
1327 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
1329 * jump.c (jump_optimize): Lose calls to modified_in_p they are
1330 not needed anymore due to changes elsewhere in jump.c.
1332 * jump.c (jump_optimize): Fix first arg to modified_in_p in
1335 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
1337 * expr.c (expand_builtin_setjmp): Accept two new arguments for
1338 the labels to branch to on first and subsequent executions. Don't
1339 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
1340 and provide it with the jmp_buf. Use only one of
1341 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
1342 and provide the former with the target label.
1343 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
1344 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
1345 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
1346 insn to replace all of the normal nonlocal_goto code. Don't play
1347 with __dummy. Correct arguments to nonlocal_goto.
1348 * expr.h (expand_builtin_setjmp): Update prototype.
1349 * except.c (start_dynamic_handler): When using builtin_setjmp,
1350 generate more accurate flow information.
1352 * alpha.md (nonlocal_goto_receiver_osf): Delete.
1353 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
1354 (builtin_longjmp, builtin_setjmp_receiver): New.
1355 * sparc.md (update_return): Disambiguate unspec number.
1356 (nonlocal_goto): Rearrange arguments to match caller in except.c.
1357 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
1359 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
1360 (builtin_setjmp_setup*, builtin_longjmp): New.
1362 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
1364 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
1366 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
1368 * vmsconfig.com: Remove bytecode references.
1370 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1372 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
1373 -fno-sjlj-exceptions works for a target that defines
1374 DWARF2_UNWIND_INFO as zero.
1376 * regmove.c (fixup_match_1): Undo last change which removed some
1377 "useless" code, and add a comment explaining this.
1379 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
1381 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
1384 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
1386 * makefile.vms: Remove bytecode references.
1387 Create genrtl files.
1389 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
1391 * jump.c (jump_optimize): Allow conditional loading of floating point
1392 constants and constants from memory. Reinstalled modified_in_p tests.
1394 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1396 * loop.c (get_condition): Handle sign-extended constants.
1398 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
1400 * expr.c (emit_push_insn): Add code to use movstrti if present.
1402 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
1403 and movstrqi as in emit_block_move ().
1405 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
1407 * config/m68k/x-next: Remove /NextDeveloper/Headers from
1408 the directories to fixinclude - /usr/include is a link
1409 to it and hence its contents are fixed by default.
1411 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1413 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
1415 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
1417 * cccp.c (main): Predefine __VMS_VER on VMS.
1419 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1421 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
1422 * fold-const.c (size_int): Replace with
1424 (make_bit_field_ref): Use bitsize_int for bit position.
1425 * stor-layout.c (sizetype): Delete.
1426 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
1427 (layout_record, layout_union, layout_type):
1428 Use bitsize_int for bit size.
1429 (set_sizetype): New function.
1430 (make_signed_type, make_unsigned_type): Use it.
1431 * c-decl.c (init_decl_processing): Likewise.
1432 * tree.h (size_int): Don't delcare, #define.
1433 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
1434 (set_sizetype): Declare.
1435 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
1437 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
1438 Convert result to sizetype.
1439 (really_start_incremental_init, push_init_level):
1440 Set type of constructor_bit_index to sbitsizetype.
1441 (push_init_level): Use unsigned arithmetic to determine padding.
1442 (output_init_element): Likewise.
1444 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
1446 * combine.c (simplify_shift_const): Fix typo in last change.
1448 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
1450 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
1451 is (truncate (lshiftrt)).
1453 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
1455 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
1456 Make sure result winds up in TGT.
1457 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
1458 src to be other than DImode.
1459 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
1460 (alpha_expand_unaligned_store_words): Likewise.
1461 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
1462 that source and destination are separately optimized for alignment.
1463 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
1465 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
1467 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
1468 with handling of -32768.
1470 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1472 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
1473 shell variable argument instead of only hard coded functions.
1474 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
1476 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
1477 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
1478 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
1479 declarations for bcopy, bcmp and bzero.
1481 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
1483 * gansidecl.h: If we have bcopy but don't declare it, then do so.
1484 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
1485 bzero, index and rindex if they aren't already present.
1487 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
1489 * toplev.c (close_dump_file): Wrap function prototype for
1490 argument "func" in PROTO.
1491 (dump_rtl): Likewise.
1493 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
1495 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
1497 (output_function_epilogue): Omit epilogue if nothing drops through.
1498 (output_move_double): Supress int ldd usage on ultrasparc and v9.
1499 (registers_ok_for_ldd_peep): Likewise.
1500 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
1501 (ultrasparc_adjust_cost): New function.
1502 (sparc_issue_rate): New function.
1503 * sparc.h (MASK_VIS, TARGET_VIS): New
1504 (MASK_V8PLUS, TARGET_V8PLUS): New.
1505 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
1506 (TARGET_SWITCHES): Add vis and v8plus.
1507 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
1508 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
1509 (RTX_COSTS): Use TARGET_HARD_MUL
1510 (ADJUST_COST): Call ultrasparc_adjust_cost.
1512 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
1513 of load & fp appropritely.
1514 (supersparc function units): Adjust for Haifa.
1515 (ultrasparc function units): Likewise.
1516 (get_pc_via_rdpc): All v9, not just arch64.
1517 (movdi_v8plus, movdi_v8plus+1): New.
1518 (adddi3_sp32+1): New.
1519 (subdi3_sp32+1): New.
1520 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
1521 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
1522 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
1523 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
1524 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
1525 (ldd peepholes): Suppress for v9.
1526 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
1527 (return_subsi): Revmove.
1529 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
1531 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
1532 save/restore MEM rtl.
1534 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
1536 * configure.in: Check for declaration of abort.
1537 * acconfig.h: Corresponding changes.
1538 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
1541 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
1543 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
1546 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
1548 * version.c: Bump for snapshot.
1550 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
1552 * configure.in: Check for atoq and atoll.
1553 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
1554 proper routine for converting ascii into long long values.
1556 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
1558 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
1560 * vmsconfig.com: Remove bytecode references.
1562 * alpha/vms.h (PREFIX): Define.
1564 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
1566 * am-alpha.h: Don't include alloca for OPEN_VMS.
1568 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
1570 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
1571 (GCC_INCLUDE_DIR): Define
1573 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
1574 * makefile.vms: New file.
1576 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
1578 * alpha.c (output_prolog): Output '.name' directive
1579 for minimal traceback information.
1581 * alpha.c (output_prolog): Don't prepend entry point symbols
1582 with '$' on OPEN_VMS.
1584 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
1585 Jeffrey A Law (law@cygnus.com)
1587 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
1590 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
1592 * genemit.c (gen_exp): Likewise.
1593 * genpeep.c (match_rtx): Likewise.
1594 * genrecog.c (write_tree_1): Likewise.
1596 * c-lex.c (yyprint): Use proper format string based upon
1597 disposition of HOST_BITS_PER_WIDE_INT.
1598 (yylex): Put casts in right place for args to build_int_2.
1600 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
1602 * combine.c: Fix typos in Jan27 changes.
1604 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
1606 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
1607 (LINK_SPEC): Likewise.
1608 (STARTFILE_SPEC): Likewise.
1610 1998-01-28 Mike Stump <mrs@wrs.com>
1612 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
1614 * genattrtab.c (reload_completed): Define.
1616 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
1619 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1621 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1622 SUBREG_REG if the word count is unchanged, also in the input reload
1623 case. Disable non-applicable sanity checks.
1625 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
1627 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
1629 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
1631 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
1633 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
1635 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
1636 is a TREE_VEC before trying to use it for baseclasses.
1637 (Chill uses the same field for a different purpose.)
1639 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
1641 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
1643 * config.sub: More accurate determination of HP processor types.
1645 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1647 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
1648 prototype for `handle_sysv_pragma', and make it static. Add
1649 parentheses around assignment used as truth value.
1651 * combine.c (combine_instructions): Protect variable `prev' with
1653 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
1654 (extract_left_shift): Add parentheses around operand of &.
1655 (merge_outer_ops): Avoid an empty body in an else-statement.
1656 (gen_rtx_combine): Remove unused variable `i'.
1658 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
1659 function monstartup `void'. Likewise for internal_mcount. Add
1660 `static void' prototype for moncontrol. Reconcile sprintf format
1663 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
1664 Make return type of function_arg_slotno explicitly `int'.
1665 (reg_unused_after): Add parentheses around assignment used as
1667 (save_regs): Add explicit braces to avoid ambiguous `else'.
1668 (function_arg_slotno): Add parentheses around && within ||.
1669 (function_arg_pass_by_reference): Likewise.
1670 (sparc_flat_output_function_prologue): Reconcile fprintf format
1673 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
1674 assignment used as truth value.
1676 * cplus-dem.c: Include <stdlib.h>.
1677 (demangle_signature): Avoid an empty body in an else-statement.
1678 (do_type): Remove unused variable `lvl'.
1680 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
1681 Include <string.h>/<strings.h>.
1682 (cpp_lex): Remove unused variable `namelen'.
1683 (cpp_lex): Explicitly declare `num_chars' as an int.
1685 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
1686 <unistd.h> instead. Explicitly declare is_system_include
1688 (make_assertion): Remove unused variable `kt'.
1689 (cpp_expand_to_buffer): Hide variable `obuf'.
1690 (output_line_command): Remove unused variables, `line_end',
1691 `line_cmd_buf' and `len'.
1692 (macarg): Remove unused variable `arg_start'.
1693 (special_symbol): Remove unused variable `i'. Add parentheses
1694 around assignment used as truth value.
1695 (do_include): Remove unused variables `pcfname' and `retried',
1696 hide `pcf' and `pcfbuflimit'.
1697 (do_line): Remove unused variable `i'.
1698 (finclude): Hide variable `missing_newline'.
1699 (cpp_handle_options): Remove unused variable `j'.
1700 (read_token_list): Remove unused variable `eofp'.
1701 (cpp_error_with_line): Remove unused variable `i'.
1702 (cpp_warning_with_line): Likewise.
1703 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
1704 (cpp_error_from_errno): Remove unused variable `i'.
1706 * cse.c (invalidate): Add parentheses around assignment used as
1708 (find_best_addr): Move declaration of variable `our_cost' inside
1709 the conditional macro where its used.
1710 (fold_rtx): Avoid an empty body in an if-statement.
1711 (cse_insn): Wrap variables `this_insn_cc0_mode' and
1712 `this_insn_cc0' in macro HAVE_cc0.
1714 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
1715 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
1716 (output_uleb128): Likewise.
1717 (output_sleb128): Likewise.
1718 (output_cfi): Likewise.
1719 (output_call_frame_info): Remove unused variables `j', `fde_size'
1721 (comp_unit_has_inlines): Hide declaration as per rest of file.
1722 (size_of_line_prolog): Correct typo in prototype.
1723 (add_arange): Likewise.
1724 (output_aranges): Likewise.
1725 (add_name_and_src_coords_attributes): Likewise.
1726 (gen_array_type_die): Likewise.
1727 (gen_inlined_subroutine_die): Likewise.
1728 (equate_decl_number_to_die): Remove unused variable `i'.
1729 (print_die): Reconcile format vs. args in fprintf's.
1730 (print_dwarf_line_table): Likewise.
1731 (output_die): Likewise.
1732 (output_line_info): Likewise.
1733 (add_subscript_info): Avoid an empty body in an else-statement.
1734 (gen_subprogram_die): Remove unused variable `fp_loc'.
1736 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
1737 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
1738 macro. Protect `src_coords_attribute' prototype with
1739 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
1740 prototype as in the rest of the file. Likewise for
1741 `output_pointer_type_die' and `output_reference_type_die'. Remove
1742 prototype for `type_of_for_scope'.
1743 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
1744 (type_attribute): Add explicit braces to avoid ambiguous `else'.
1746 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
1747 (shorten_branches): Protect declaration of tmp_length with
1748 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
1749 (profile_function): Protect declaration of `sval' and `cxt'
1750 variables with appropriate macros.
1751 (final_scan_insn): Likewise for `note' variable. Add explicit
1752 braces to avoid empty body in an if-statement.
1753 (output_asm_insn): Move variable `i' inside macro conditional
1754 where it is used. Add parentheses around assignment used as truth
1756 (asm_fprintf) Likewise, likewise.
1758 * fix-header.c (main): Remove unused variable `done'. Protect
1759 declaration of `i' with FIXPROTO_IGNORE_LIST.
1761 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
1763 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
1766 * profile.c: Include <string.h>/<strings.h>.
1767 (instrument_arcs): Remove unused variables `note', `inverted',
1768 `zero' and `neg_one'.
1769 (branch_prob): Avoid empty body in an if-statement.
1771 * regclass.c: Include <stdlib.h>.
1772 (reg_alternate_class): Explicitly declare parameter `regno'.
1774 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
1775 parentheses around assignment used as truth value.
1776 (find_matches): Remove unused variables `output_operand' and
1778 (fixup_match_1): Remove statement with no effect: "if (0) ;".
1780 * scan.c (sstring_append): Explicitly declare `count' as int.
1781 (scan_string): Explicitly declare parameter `init' as int.
1783 * sched.c: Include <stdlib.h>.
1784 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
1785 (rank_for_schedule): Add parentheses around assignment used as
1787 (schedule_block): Likewise.
1788 (regno_use_in): Likewise.
1789 (schedule_insns): Remove unused variable `i'.
1791 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
1792 (v_message_with_decl): Remove unused variable `n'.
1793 (botch): Explicitly declare parameter `s' as char *.
1794 (main): Add parentheses around assignment used as truth value.
1796 * tree.c (make_node): Protect the variable `kind' with the
1797 GATHER_STATISTICS macro.
1798 (real_value_from_int_cst): Move variable `e' inside conditional
1799 macro area where it is used.
1800 (tree_last): Add parentheses around assignment used as truth value.
1801 (build1): Protect the variable `kind' with the GATHER_STATISTICS
1803 (print_obstack_statistics): Reconcile format vs. args in fprintf.
1804 Protect variables `i', `total_nodes', and `total_bytes' with the
1805 GATHER_STATISTICS macro.
1807 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
1809 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
1810 some comments regarding use of dead_or_set_p.
1812 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
1814 * fixincludes: Tweak fix for struct exception in math.h
1816 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
1818 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
1819 Change mode of registers used to add/sub from
1820 hard_frame_pointer_rtx from word_mode to Pmode.
1822 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
1824 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
1825 asm_output_aligned_bss() instead of asm_output_bss().
1827 * toplev.c (rest_of_compilation): Replace references to
1828 stack_reg_dump_file and dbr_sched_dump_file with references to
1831 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
1833 * tlink.c (scan_linker_output): Call fclose() for opened files.
1835 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
1837 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
1838 compiling with -fpic -- we want to be able to override symbols
1840 (alpha_expand_block_move): Fix thinko in last change.
1842 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
1843 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
1844 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
1846 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
1848 * alpha.md (abssf, absdf): Revert last change.
1850 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
1852 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
1853 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
1855 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
1857 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
1858 a CONST_INT into SFmode.
1860 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
1862 * flags.h: New flag (optimize_size).
1863 * toplev.c (main): Parse -Os option and set optimize_space
1865 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
1866 __OPTIMIZE_SIZE__ when compiling with -Os.
1867 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
1868 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
1869 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
1871 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
1873 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
1875 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
1876 stuff only if MCT_TEXT is #define'd.
1878 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
1880 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
1883 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
1885 * toplev.c: Add -dM command line option to dump RTL after the
1886 machine dependent reorganisation pass, if there is one.
1887 Reorganise RTL dump code, so that only one file handle is
1890 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
1892 * except.c (check_exception_handler_labels): Disable warning when
1895 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
1897 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
1899 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1901 * c-decl.c (grokdeclarator): Get parameter tags from
1902 last_function_parm_tags.
1903 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
1904 traversing the parameter types.
1905 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
1907 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
1909 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
1911 (get_shift_alg): Fix typo.
1913 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
1915 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
1917 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
1919 * toplev.c (get_run_time): Make sure each case gets its variables.
1921 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
1923 * configure.in (build_xm_file): Add auto-config.h if host=build.
1924 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
1925 (build_xm_file_list): Likewise.
1926 * configure: Rebuild.
1928 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
1930 * recog.c (validate_replace_rtx_1): Only perform substitutions
1931 of arguments to commutative and comparison operators once.
1933 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1935 * sparc.c (output_cbranch): Add default case in
1938 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
1939 (emit_delay_sequence): Eliminate unused parameter, all callers
1941 (fill_simple_delay_slots): Likewise.
1942 (fill_slots_from_thread): Likewise.
1943 (fill_eager_delay_slots): Likewise.
1944 (mark_referenced_resources): Add default case in enumeration switch.
1945 (mark_set_resources): Likewise.
1946 (rare_destination): Likewise.
1947 (mostly_true_jump): Likewise.
1948 (find_dead_or_set_registers): Likewise.
1949 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
1950 (update_reg_unused_notes): Remove unused variable `p'.
1951 (mark_target_live_regs): Remove unused variables `next' and
1953 (fill_simple_delay_slots): Remove unused variable `j'.
1954 (fill_slots_from_thread): Add parentheses around assignment used
1956 (dbr_schedule): Likewise.
1958 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
1959 (objc.stage2, objc.stage3, objc.stage4): Likewise.
1961 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
1963 * cse.c (simplify_ternary_operation): Don't try to simplify
1964 IF_THEN_ELSE expressions (created by combine) that don't use
1965 relational operators.
1967 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
1969 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
1972 * crtstuff.c (init_dummy): Keep the epilogue in the init
1973 section for non-ELF systems.
1975 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1977 * sh.md (movqi_i+1): New peephole.
1979 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
1981 * Makefile.in: Remove remaining bytecode stuff.
1982 * emit-rtl.c, expr.c: Likewise.
1984 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
1986 * toplev.c (lang_options): Add unknown-pragma options.
1988 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
1990 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
1991 special (and incomplete) handling for Chill arrays.
1993 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
1995 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
1998 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
2000 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
2002 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
2004 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
2005 .frame directive instead of FRAME_POINTER_REGNUM.
2007 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
2009 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
2010 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
2011 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
2012 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
2013 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
2014 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
2015 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
2016 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
2018 * longlong.h: Replace __mc68332__ with __mcpu32__.
2020 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
2022 * version.c: Bump for snapshot.
2024 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
2026 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
2027 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
2028 * reload1.c (eliminate_regs): Likewise.
2030 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
2032 * regmove.c (find_matches): Initialize matches->earlyclobber too.
2034 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
2036 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
2037 (negsf2, negdf2): Use proper subtract in IEEE mode.
2039 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
2041 * Makefile.in: Remove more bytecode stuff.
2042 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
2043 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
2044 * f/install.texi, objc/Make-lang.in: Likewise.
2046 * Makefile.in: Remove all bytecode support.
2047 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
2048 * emit-rtl.c: Remove all bytecode support.
2049 * expr.c, expr.h function.c, integrate.c: Likewise.
2050 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
2051 * tree.h, varasm.c: Likewise.
2052 * config/m68k/m68k.h: Likewise.
2053 * bi-*, bc-*, bytecode*: Delete bytecode related files.
2054 * modemap.def: Likewise.
2056 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
2058 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
2059 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
2061 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
2063 * i386.md (push): Prohibit symbolic constants if flag_pic.
2064 (movsi+1): Likewise for move to non-register.
2066 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
2068 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
2069 (print_operand): Handle 0xffffffff on 32 bit host.
2071 * configure.in (thread_file): Rename uses before main loop to
2072 target_thread_file. Initialize to empty in main loop. Set thread_file
2073 to target_thread_file after main loop if not set.
2074 * configure: Rebuild.
2076 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
2077 (add_values_to_cover): Revert last change (which had no ChangeLog
2079 (simplify_with_current_value_aux): Handle CONST_INT.
2081 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2083 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
2085 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
2087 * configure.in: Add cpp stringify test.
2088 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
2089 * gengenrtl.c: Use it.
2090 * configure, config.in: Rebuild.
2092 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2094 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
2096 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
2098 * configure.in: Find declaration for sbrk.
2099 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
2100 * config.in, configure: Rebuild.
2101 * mips-tfile.c: Properly protect declaration of sbrk and free.
2102 * toplev.c: Properly protect declaration of sbrk.
2104 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
2106 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
2108 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
2110 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
2112 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
2114 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
2116 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
2118 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
2119 constant offset computations from objects with known alignment in
2120 the presence of STACK_BIAS.
2122 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
2124 (const_hash): Hash val is unsigned long.
2125 (SYMHASH): Likewise.
2127 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
2129 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
2130 char pointer, not HOST_WIDE_INT.
2131 (print_node): Likewise. Also hash is unsigned long not
2134 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
2136 * explow.c (optimize_save_area_alloca): New function for targets
2137 where SETJMP_VIA_SAVE_AREA is true.
2138 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
2139 compute the amount of stack space needed should we find later that
2140 setjmp is never called by this function, stuff rtl for this inside
2141 a REG_NOTE of the final SET of stack_pointer_rtx.
2142 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
2143 current_function_calls_alloca, call optimize_save_area_alloca.
2145 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
2147 * i386.md: Remove redundant integer push patterns.
2148 Don't bother checking for TARGET_PUSH_MEMORY when
2149 pushing constants or registers.
2151 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
2152 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
2154 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
2155 (pwait): New function for mingw32.
2157 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
2158 pipe support is broken for now.
2160 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
2162 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
2163 between frame_pointer_rtx, hard_frame_pointer_rtx, and
2164 arg_pointer_rtx is respected in initialization.
2165 (init_emit_once): Use gen_rtx_raw_REG() to create
2166 return_address_pointer_rtx.
2168 * reorg.c: #include "expr.h" for rtx prototypes.
2169 * Makefile.in (reorg.o): Depend on expr.h
2171 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
2173 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
2174 local_prefix to sub-make invocations.
2176 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
2178 * objc-parse.c: Recognize protocol qualifiers in class definitions.
2180 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
2184 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
2185 * configure.in: Check for atol.
2186 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
2188 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
2190 * loop.c (find_and_verify_loops): When attempting to move insns from
2191 inside the loop outside the loop, create a BARRIER if no suitable
2194 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
2195 favor of an equivalent change from gcc-2.8.
2197 * i386/x-sco5 (CC): Remove trailing whitespace.
2199 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2201 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
2202 (accessor_from_format): Likewise.
2203 (xmalloc): New function for use when linking with alloca.o.
2205 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2207 * frame.c (find_fde): Correct FDE's upper bound.
2209 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
2211 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
2213 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
2215 * calls.c (expand_call): Move #ifdef code out of macro argument
2217 (emit_library_call, emit_library_call_value): Likewise.
2219 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
2221 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
2223 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
2225 * version.c: Bump for snapshot.
2227 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
2229 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
2230 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
2231 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
2232 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
2233 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
2234 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
2235 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
2236 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
2237 * unroll.c, varasm.c: Likewise.
2238 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
2240 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
2242 * mips.h: Fix some type-o's from a previous change.
2244 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
2246 * loop.c (check_dbra_loop): Make sure initial value is a
2247 CONST_INT before trying to normalize it.
2249 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
2251 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
2253 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
2255 * cppexp.c: Include gansidecl.h
2257 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
2259 * svr4.h (LINK_SPEC): Never specify -h.
2260 * ptx4.h (LINK_SPEC): Likewise.
2261 * rs6000/sysv4.h (LINK_SPEC): Likewise.
2262 * sparc/sol2.h (LINK_SPEC): Likewise.
2264 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
2266 * c-typeck.c (comptypes): Exit early on NULL input.
2268 * haifa-sched.c (schedule_insns): Correctly remove inter-block
2269 dependencies after reload.
2271 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2273 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
2275 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
2277 * alpha/vms.h (DIR_SEPARATOR): define
2279 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2281 * Makefile.in (stamp-proto): Remove.
2282 (protoize.o, unprotoize.o): Straightforward compile.
2283 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
2285 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
2287 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
2288 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
2290 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
2292 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
2293 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
2294 * sparc/netbsd.h, vax/netbsd.h: Likewise.
2296 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
2298 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
2300 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
2302 * configure.in (target_cpu_default, target_cpu_default2): Use double
2303 quotes around them when testing their value.
2304 * configure: Rebuilt.
2306 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
2308 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
2310 (gendef): Call obstack_alloc_rtx.
2312 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
2314 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
2317 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
2319 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
2320 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
2321 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
2323 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
2325 * mips.md (return_internal): Change mode from SImode to VOIDmode.
2327 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
2329 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
2332 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
2334 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
2335 suffix from operand 3.
2337 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2338 Jeffrey A Law (law@cygnus.com)
2340 * regmove.c: New implementation of regmove pass.
2341 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
2342 decls, make them have external linkage. Return a value from
2343 optimize_reg_copy_1.
2344 * reload.h (count_occurrences): Add decl.
2345 * reload1.c (count_occurrences): Delete decl, make it have external
2347 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
2349 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
2351 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
2352 if it is not defined.
2354 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
2356 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
2357 * emit-rtl.c (gen_rtx): Move special code to ...
2358 (gen_rtx_CONST_INT): New function.
2359 (gen_rtx_REG): New function.
2360 (*): Update all calls to gen_rtx.
2361 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
2362 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
2363 (GEN_INT): Call gen_rtx_CONST_INT.
2364 * gengenrtl.c: New file.
2366 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
2368 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
2369 (base_alias_check): If no base found for address call canon_rtx and
2372 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
2374 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
2375 arguments for mips16.
2376 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
2377 Don't lose if tsize is zero after handling large stack for mips16.
2378 * mips.md (return): For trivial return, return address is in $31.
2380 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
2382 * mips/mips16.S: Various changes to make it work with -msingle-float
2385 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
2386 Ian Lance Taylor <ian@cygnus.com>
2387 Jeff Law <law@cygnus.com>
2389 * mips.c, mips.h, mips.md: First cut at merging in mips16
2390 support. Major modifications throughout all three files.
2392 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
2394 * configure.in: Make gthr-default.h a forwarding header instead of
2397 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2399 * gcov-io.h: Include sys/types.h to ensure we get size_t.
2401 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
2403 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
2404 Jeffrey A Law (law@cygnus.com)
2406 * crtstuff.c (__frame_dummy): New function for irix6.
2407 (__do_global_ctors): Call __frame_dummy for irix6.
2408 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
2410 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
2412 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
2414 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
2416 * c-decl.c (init_decl_processing): Provide proper fallback symbol
2417 for __builtin_memset.
2418 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
2419 not INTEGER_CST. Assert arg 3 is a constant.
2421 * alpha.c (mode_width_operand): Accept 64-bit modes.
2422 (mode_mask_operand): Likewise.
2423 (print_operand): Likewise for 'M' and 'U' codes.
2424 (alpha_expand_unaligned_load): New function.
2425 (alpha_expand_unaligned_store): Likewise.
2426 (alpha_expand_unaligned_load_words): Likewise.
2427 (alpha_expand_unaligned_store_words): Likewise.
2428 (alpha_expand_block_move): Likewise.
2429 (alpha_expand_block_clear): Likewise.
2430 * alpha.h (MOVE_RATIO): New define.
2431 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
2432 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
2434 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
2435 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
2437 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
2439 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
2440 * configure: Update.
2442 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
2444 * emit-rtl.c (operand_subword): Correctly handle extracting a word
2445 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
2447 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
2450 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
2452 * configure.in: Set and subsitute host_exeext. Use it when creating
2453 the assembler and linker symlinks.
2454 * configure: Rebuild.
2455 * Makefile.in (exeext): Set to @host_exeext@.
2456 (build_exeext): New variable, set to @build_exeext@.
2457 (FLAGS_TO_PASS): Pass down build_exeext.
2458 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
2461 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
2463 * mn10200.md (addsi3, subsi3): Fix thinkos.
2465 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
2467 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
2468 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
2469 unix always, since we want to be able to thunk to functions in a
2470 shared library from an application.
2472 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
2474 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
2475 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
2477 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
2479 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
2480 offset's mode is not ptr_mode, convert it.
2482 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
2484 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
2485 compiling if it was already defined.
2487 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
2489 * flow.c (find_basic_blocks): Don't create a new basic block
2490 for calls in a LIBCALL block.
2492 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
2494 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
2496 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
2498 * cse.c (rtx_cost): Remove conflicting default case.
2500 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
2502 * configure.in: Move default enabling of Haifa out of for loop.
2503 * configure: Rebuild.
2505 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
2507 * version.c: Bump for snapshot.
2509 1997-12-25 Teemu Torma <tot@trema.com>
2511 * Makefile.in (GTHREAD_FLAGS): New var.
2512 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
2513 (distclean): Remove gthr-default.h.
2515 * configure.in: Accept dce as a thread package.
2516 Check for thread.h and pthread.h.
2517 Link gthr-default.h to appropriate thread file and set
2519 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
2520 include multilib definitions from pa/t-dce-thr.
2521 (sparc-*-solaris2*): Enable threads by default, if thread.h or
2522 pthread.h is found, preferring posix threads over solaris ones.
2524 * config/pa/t-dce-thr: New file.
2525 * config/pa/t-pa: Removed multilibs.
2526 * config/sparc/t-sol2: Ditto.
2529 * gthr-single.h: New file.
2530 * gthr-posix.h: New file.
2531 * gthr-solaris.h: New file.
2532 * gthr-dce.h: New file.
2533 * libgcc-thr.h: Removed.
2534 * objc/thr-dce.c: New file copied from thr-decosf1.c.
2536 * frame.c: Include gthr.h instead of libgcc-thr.h.
2537 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
2538 (eh_context_initialize): If __gthread_once fails, use static eh
2540 (eh_context_free): Call __gthread_key_dtor.
2542 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
2544 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
2546 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
2548 * cse.c (max_insn_uid): New variable.
2549 (cse_around_loop): Use max_insn_uid.
2550 (cse_main): Set max_insn_uid.
2552 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
2553 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
2554 -mlong64, and -mgp{32,64} options.
2555 * mips.c (mips_abi): Change type to int.
2556 * mips.h (enum mips_abi_type): Delete.
2557 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
2558 (mips_abi): Change type to int.
2560 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
2562 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
2563 optimization is now always enabled.
2565 * calls.c (expand_call): Recognize C++ operator new as malloc-like
2568 * alias.c (memrefs_conflict_p): Eliminate tests now done by
2570 (*_dependence): Call canon_rtx before base_alias_check.
2571 (init_alias_once): New function to precompute set of registers which
2572 can hold Pmode function arguments.
2574 * rtl.h: Declare init_alias_once.
2576 * toplev.c (compile_file): Call init_alias_once.
2578 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
2580 * tree.c (restore_tree_status): Do not dereference a null pointer.
2582 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
2584 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
2585 RLIMIT_STACK. This maintains consistency with the recent, similar
2586 patch to cccp.c and toplev.c.
2588 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
2590 * genattrtab.c (expand_units): For large nr opclasses, expand
2591 function_units_used with ORX to prevent blowups. Tag with FFS.
2592 (num_unit_opclasses): New variable.
2593 (gen_unit): Update it.
2594 (enum operator): Add ORX_OP.
2595 (operate_exp): Treat ORX as or, except don't expand across an if.
2596 Reuse number rtx's after operating on them.
2597 (check_attr_value): Accept IOR, AND, & FFS.
2598 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
2599 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
2600 (write_expr_attr_cache, write_toplevel_expr): New functions.
2601 (write_attr_get): Handle FFS-tagged expressions.
2602 (make_canonical): Don't expand const attributes.
2603 (convert_const_symbol_ref): Dike out.
2604 (evaluate_eq_attr): Handle SYMBOL_REF.
2605 (main): Don't emit get_attr_foo for const attributes.
2607 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
2608 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
2609 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
2610 * alpha.md: Redo all of the scheduling, adding EV6 support, and
2611 combining function units where possible.
2612 (attr "type"): Split loads, stores, cmov into int/fp. Combine
2613 multiplies and divides. Add EV6 sqrt, ftoi, itof.
2614 (attr "opsize"): New attribute.
2615 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
2616 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
2617 to control register allocation.
2618 (movsi2-1, movdi2-1): Likewise.
2620 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
2622 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
2623 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
2624 Move OSF/1 specific defines out.
2625 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
2626 Move Linux specific defines out.
2627 (LINK_SPEC): Genericize.
2628 (ASM_FILE_START): Emit .arch if using more than the base insn set.
2629 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
2630 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
2631 (HANDLE_SYSV_PRAGMA): Define.
2632 * alpha/osf.h: New file.
2633 * alpha/linux.h: Split. Retain file-format independant defines.
2634 Import Linux bits from elf.h.
2635 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
2636 (FUNCTION_PROFILER): _mcount takes its address in $28.
2637 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
2638 * alpha/linux-ecoff.h: New file.
2639 * alpha/linux-elf.h: New file.
2640 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
2641 * alpha/win-nt.h (TARGET_DEFAULT): Define.
2642 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
2643 Add new headers as appropriate.
2645 * configure.in (alpha*): Enable Haifa by default.
2646 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
2647 * configure: Rebuild.
2649 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
2651 * Makefile.in (clean): Remove the stages with their objects here ...
2652 (distclean): ... instead of here.
2654 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2656 * cse.c (rtx_cost): Add default case in enumeration switch.
2657 * fix-header.c (recognized_macro): Likewise.
2658 (recognized_extern): Likewise.
2659 (write_rbrac): Likewise.
2660 * objc/objc-act.c (encode_aggregate): Likewise.
2661 (gen_declarator): Likewise.
2662 (gen_declspecs): Likewise.
2664 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
2666 * haifa-sched.c (create_reg_dead_note): Detect and handle another
2667 case where we kill more regs after sched than were killed before
2669 * sched.c (create_reg_dead_note): Similarly.
2671 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
2673 * c-pragma.c: Include flags.h.
2675 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
2677 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
2678 about system headers.
2679 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
2680 and also to resolve symbols in prefix.c.
2682 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
2683 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
2684 when the definitions in auto-config.h is not visible.
2685 (HAVE_BZERO): Likewise.
2686 (HAVE_BCMP): Likewise.
2687 (HAVE_RINDEX): Likewise.
2688 (HAVE_INDEX): Likewise.
2690 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
2692 * pa.c (emit_move_sequence): Handle a function label source
2695 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
2697 * c-pragma.c (handle_pragma_token): Generate warning messages
2698 about unknown pragmas if warn_unknown_pragmas is set.
2700 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
2701 line option to set variable: warn_unknown_pragmas.
2703 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
2705 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
2707 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
2709 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
2711 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
2712 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
2713 generate more fine grained floating point emulation libraries.
2714 * config/fp-bit.c: Add protecting #ifdef to all functions so
2715 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
2716 then compile all suitable functions.
2717 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
2718 underscores to avoid namespace pollution.
2719 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
2721 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
2725 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2726 Jeff Law <law@cygnus.com>
2728 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
2730 * c-decl.c (finish_decl): Use parentheses around && within ||.
2731 * rtl.c: Include stdlib.h.
2732 (read_skip_spaces): Add parentheses around assignments used as
2734 (read_rtx): Initialize list_rtx.
2735 * cppexp.c (parse_number): Use || when operands are truth values.
2736 * alias.c (find_base_value): Add default case.
2737 (memrefs_conflict): Likewise.
2738 * combine.c (sets_function_arg_p): Likewise.
2739 * genemit.c (gen_exp): Likewise.
2740 * local-alloc.c (contains_replace_regs): Likewise.
2741 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
2742 * fold-const.c (fold_convert): Use "&&" for truth values.
2743 (fold): Add default case.
2744 * sdbout.c (sdbout_field_types): Fix typo in declaration.
2745 (sdbout_one_type): Add default case.
2746 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
2747 (some_operand): Add default case.
2748 (input_operand): Likewise.
2749 (signed_comparison_operator): Likewise.
2750 (divmod_operator): Likewise.
2751 (alpha_set_memflags_1): Likewise.
2752 * reload1.c (reload_cse_simplify_operands): Ensure function
2753 always returns a value.
2754 * scan-decls.c (scan_decls): Likewise.
2755 * c-lex.c (skip_white_space): Fix typo in declaraion.
2756 * c-typeck.c (comp_target_types): Add parentheses around assignment
2757 used as truth value.
2758 (print_spelling): Likewise.
2759 (constructor_implicit, constructor_result): Remove unused variables.
2760 * collect2.c (scan_library): Protect prototype with
2761 #ifdef SCAN_LIBRARIES.
2762 * emit-rtl.c (find_line_note): Fix typo in declaration.
2763 * final.c (asm_insn_count): Protect prototype with
2764 #ifdef HAVE_ATTR_length.
2765 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
2766 (try_pre_increment_1, try_pre_increment): Likewise.
2767 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
2768 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
2769 * gcov-io.h (__store_long, __write_long, __read_long): Fix
2770 unsigned/signed comparisons.
2771 * gcov.c (read_files): Remove unused "first_type" variable.
2772 (scan _for_source_files): Initialize s_ptr.
2773 (function_summary): Eliminate "%lf" formatting, use %ld for
2775 (output_data): Initialize branch_probs and last_line_num.
2776 Eliminate "%lf" formatting, use "%ld" for longs.
2778 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
2780 * mips16.S: New file.
2782 * libgcc2.c (varargs): Handle mips16.
2784 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
2786 * stmt.c (expand_end_case): Likewise.
2787 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
2788 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
2789 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
2791 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2793 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
2794 the build directory.
2795 (libobjc.a): Update dependency list.
2796 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
2798 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
2799 (objc.mostlyclean): Remove runtime-info.h.
2801 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
2803 * tree.c (build_range_type): Allow creation of ranges with no maximum.
2804 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
2805 * dwarf2out.c (add_subscript_info): Likewise.
2806 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
2807 * sdbout.c (plain_type_1): Likewise.
2808 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
2810 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
2813 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2815 * mips.c (fatal): Remove declaration.
2817 1997-12-18 Mark Mitchell <mmitchell@usa.net>
2819 * integrate.c (get_label_from_map): New function.
2820 (expand_inline_function): Use it. Initialize the label_map to
2821 NULL_RTX instead of gen_label_rtx.
2822 (copy_rtx_and_substitute): Use get_label_from_map.
2823 * integrate.h (get_label_from_map): New function.
2824 (set_label_from_map): New macro.
2825 * unroll.c (unroll_loop): Use them.
2826 (copy_loop_body): Ditto.
2828 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
2830 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
2831 (INIT_TARGET_OPTABS): Define.
2832 * mips/ecoff.h: Include gofast.h before mips.h.
2833 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
2834 * mips/elf64.h: Likewise.
2835 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
2837 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
2839 * except.c: Remove register_exception_table{,_p}.
2841 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
2843 * unroll.c (calculate_giv_inc): Handle constant increment found in
2844 a MEM with an appropriate REG_EQUAL note.
2846 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
2848 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
2849 frame pointer in the prologue.
2851 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
2853 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
2854 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
2856 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
2858 * config/m68k/m68k.c (output_function_prologue): Typecast
2859 dwarf2out_cfi_label to (char *).
2860 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
2862 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
2864 * sparc.md (jump): Don't use the annul bit around an empty loop.
2865 Patch from Kevin.Kelly@East.Sun.COM.
2867 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
2869 * jump.c: (jump_optimize): Don't use the return register as a
2870 source1 of a conditional move.
2872 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
2874 * sparc.c (DF_MODES): Or the mask not the bit number.
2875 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
2877 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2879 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
2881 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
2883 * fixincludes (size_t): Add support for Motorola's stdlib.h
2884 which fails to provide a definition for size_t.
2885 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
2886 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
2887 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
2889 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
2890 prevent unresolved externals in libio.
2891 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
2893 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
2895 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
2896 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
2897 (LIB_SPEC): Updated for glibc 2.
2899 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
2901 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
2902 * ginclude/varargs.h: Likewise.
2904 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
2906 * version.c: Bump for snapshot.
2908 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
2910 * frame.h (__register_frame, __register_frame_table,
2911 __deregister_frame): New.
2912 * frame.c (__register_frame, __register_frame_table,
2913 __deregister_frame): New.
2914 * frame.c (__deregister_frame_info): Return void *.
2915 * frame.h (__deregister_frame_info): Ditto.
2916 * collect2.c (__deregister_frame_info): Ditto.
2918 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
2920 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
2922 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
2924 * alpha.c (alpha_cpu_name): New variable.
2925 (alpha_mlat_string): Likewise.
2926 (alpha_memory_latency): Likewise.
2927 (override_options): Handle -mmemory-latency.
2928 (alpha_adjust_cost): Adjust load cost for latency.
2929 * alpha.h (TARGET_OPTIONS): Add meory-latency.
2930 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
2931 TARGET_CIX into account.
2932 (MEMORY_MOVE_COST): Define in terms of memory_latency.
2933 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
2935 * alpha.h (ASM_COMMENT_START): New macro.
2937 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
2939 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
2940 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
2942 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
2943 SUBREG_REG if the word count is unchanged.
2944 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
2945 subregs of identical word size for push_reload.
2947 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
2949 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
2950 if all we're doing is dealing with -Wreturn-type.
2952 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
2954 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
2955 Use and 255 instead of zapnot 1, since it schedules better.
2957 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
2959 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
2962 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
2964 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
2965 dependency we delete. Properly update prev for multiple consecutive
2967 (priority): Skip deleted dependence.
2969 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
2971 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
2973 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
2975 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
2976 determining when a new basic block starts.
2978 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
2980 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
2981 * pa.md (iorsi3): Add missing args to *_operand calls.
2983 * except.c (call_get_eh_context): Don't mess with sequences.
2984 (emit_eh_context): Include the call in the sequence here.
2986 1997-12-11 Paul Eggert <eggert@twinsun.com>
2988 * collect2.c (write_c_file_glob): Allocate initial frame object
2989 in static storage and pass its address.
2991 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
2993 * except.c (call_get_eh_context): Don't take a parm.
2994 Put the call at the top of the function.
2995 (emit_eh_context): Adjust.
2996 (get_eh_context): Replace with former use_eh_context.
2997 (get_eh_context_once, get_saved_pc_ref): Remove.
2998 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
3000 * integrate.c (expand_inline_function): Adjust.
3001 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
3003 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
3005 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
3006 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
3008 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
3010 * fixincludes (strlen,strspn,strcspn return value): Handle different
3012 (hypot): Provide a fake for hypot which is broken on
3013 m88k-motorola-sysv3.
3015 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
3017 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
3018 tree_code_name from pointers to arrays.
3019 * tree.c: Remove standard_tree_code_* variables, no longer used.
3020 * print-tree.c: Remove declaration of tree_code_name.
3022 * cp/lex.c (init_lex): Update for tree_code_* changes.
3023 * objc/objc-act.c (init_objc): Likewise.
3025 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
3028 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
3030 * config.sub: Add support for BeOS target.
3031 * configure.in: Likewise.
3032 * ginclude/stdarg.h: Likewise.
3033 * ginclude/stddef.h: Likewise.
3034 * ginclude/varargs.h: Likewise.
3035 * rs6000/beos.h: New file for BeOS.
3036 * rs6000/t-beos: Likewise.
3037 * rs6000/x-beos: Likewise.
3038 * rs6000/xm-beos.h: Likewise.
3039 * toplev.c (get_run_time): Just return 0 on BeOS.
3041 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
3042 Toon Moene (toon@moene.indiv.nluug.nl)
3044 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
3045 old and broken Sun3 assemblers. Newer versions handle large
3046 offsets correctly as does the GNU assembler.
3048 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3050 * objc/objc-act.c (lang_report_error_function): Disable.
3051 * objc/objc-parse.y: Include "output.h".
3052 (yyerror): Remove redundant decl.
3053 (yyprint): Fix prototype.
3054 (apply_args_register_offset): Remove redundant decl.
3055 (get_file_function_name): Likewise.
3057 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
3059 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
3061 (find_basic_blocks_1): Likewise.
3063 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
3065 * except.c (use_eh_context): Don't copy_rtx a REG.
3066 (emit_throw): Lose old unwinder support.
3067 (expand_internal_throw): Likewise.
3068 * libgcc2.c (struct eh_context): Likewise.
3069 (new_eh_context): Likewise.
3070 (__get_eh_info): Lose redundant cast.
3071 (__get_dynamic_handler_chain): Likewise.
3072 (__get_saved_pc): Lose.
3073 Lose all old unwinder support code.
3075 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
3077 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
3079 * integrate.c (expand_inline_function): If the inline fn uses eh
3080 context, make sure that the current fn has one.
3081 * toplev.c (rest_of_compilation): Call emit_eh_context.
3082 * except.c (use_eh_context): New fn.
3083 (get_eh_context_once): New fn.
3084 (call_get_eh_context): New fn.
3085 (emit_eh_context): New fn.
3086 (get_eh_context): Call either get_eh_context_once or
3087 call_get_eh_context, depending on what we have.
3088 (get_dynamic_handler_chain): Call get_eh_context_once.
3089 * except.h: Prototypes for fns above.
3090 * optabs.c (get_eh_context_libfunc): Removed.
3091 (init_optabs): Don't initialize it.
3092 * expr.h (get_eh_context_libfunc): Removed.
3093 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
3094 * config/pa/pa.h (CPP_SPEC): Support for -threads.
3095 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
3096 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
3097 New multilib for -threads.
3098 * config/sparc/t-sol2: Added multilibs for -threads and
3099 made -pthreads alias to it.
3100 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
3101 Added -threads and -pthreads options.
3102 * libgcc-thr.h: New file.
3103 * libgcc2.c: (__get_cpp_eh_context): Removed.
3104 (struct cpp_eh_context): Removed.
3105 (struct eh_context): Replaced cpp_eh_context with generic language
3107 (__get_eh_info): New function.
3108 (__throw): Check eh_context::info.
3110 * libgcc2.c: Include libgcc-thr.h.
3111 (new_eh_context, __get_eh_context,
3112 eh_pthread_initialize, eh_context_initialize, eh_context_static,
3113 eh_context_specific, eh_context_free): New functions.
3114 (get_eh_context, eh_context_key): New variables.
3115 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
3116 get_eh_context to get the context.
3117 (longjmp): Move the declaration inside
3118 #ifdef DONT_USE_BUILTIN_SETJMP.
3119 * frame.c: Include libgcc-thr.h.
3120 (object_mutex): Mutex to protect the object list.
3121 (find_fde, __register_frame, __register_frame_table,
3122 __deregister_frame): Hold the lock while accessing objects.
3123 * except.h (get_eh_context): Declare.
3124 * except.c (current_function_ehc): Define.
3125 (current_function_dhc, current_function_dcc): Removed.
3126 (get_eh_context): New function.
3127 (get_dynamic_handler_chain): Use get_eh_context.
3128 (get_saved_pc_ref): Ditto.
3129 (get_dynamic_cleanup_chain): Removed references to
3130 current_function_dcc.
3131 (save_eh_status, restore_eh_status): Save and restore
3132 current_function_ehc instead.
3133 * optabs.c (get_eh_context_libfunc): New variable.
3134 (init_optabs): Initialize it.
3135 * expr.h: Declare get_eh_context_libfunc.
3136 * function.h (struct function): Replaced dhc and dcc with ehc.
3137 * except.c (get_saved_pc_ref): New functions.
3138 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
3139 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
3141 (end_eh_unwinder): Likewise.
3142 (init_eh): Remove initialization of eh_saved_pc.
3143 * optabs.c (get_saved_pc_libfunc): New variable.
3144 (init_optabs): Initialize it.
3145 * expr.h: Declare get_saved_pc_libfunc.
3146 * except.h (eh_saved_pc_rtx): Deleted.
3147 (get_saved_pc_ref): Declared.
3149 From Scott Snyder <snyder@d0sgif.fnal.gov>:
3150 * libgcc2.c (__get_saved_pc): New.
3151 (__eh_type, __eh_pc): Deleted.
3152 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
3153 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
3156 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
3158 * sparc/sol2.h: Use 64 bit multiply and divide functions in
3159 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
3162 * rtl.h (global_rtl): New variable, replacing separate variables for
3164 (const_int_rtx): Now array of rtx_def, not rtx.
3165 * emit-rtl.c: Update for new rtl data structures.
3166 * genattrtab.c: Define global_rtl.
3168 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
3170 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
3173 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
3175 * crtstuff.c (__do_global_ctors): Fix typo.
3177 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
3179 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
3180 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
3182 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
3184 * rs6000.h (FUNCTION_ARG_PADDING): Define.
3185 * rs6000.c (function_arg_padding): New function.
3187 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
3189 * m68k.c: Include tree.h only once.
3191 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3193 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
3195 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
3197 * Partially cleaned up prototyping code from HJ.
3198 * tree.h: Add many prototypes.
3199 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
3200 All references changed.
3201 * rtl.h: Protect from multiple inclusions. Add many prototypes.
3203 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
3205 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
3206 string functions like strlen.
3208 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
3210 * configure.in: Check for functions getrlimit and setrlimit.
3211 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
3212 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
3214 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
3216 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
3218 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
3220 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
3223 * alpha.c (override_options): Don't know about scheduling for EV6.
3224 * alpha.md (ev5 function units): Don't overload as ev6.
3226 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
3227 * alpha.md (define_attr type): Add mvi.
3228 (ev5_e0): Define sceduling parameters for it.
3229 (TARGET_MAX insns): Type is mvi not shift.
3231 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
3233 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
3235 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3237 * cstamp-h, auto-config.h: Delete.
3239 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
3241 * version.c: Bump for snapshot.
3243 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
3245 * cccp.c: Fix typo brought over in merge.
3247 * Merge in changes from gcc-2.8.
3249 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
3251 * m68k.c: Include tree.h for dwarf2out_cfi_label.
3253 * gcc.c (process_command): Do not take address of function fatal when
3254 calling lang_specific_driver.
3256 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
3258 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
3259 doesn't work with it yet, so set it to 0.
3260 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
3262 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3264 * cse.c (cse_insn): Check for invalid entries when taking references.
3266 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3268 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
3269 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
3270 * toplev.c (rest_of_compilation): Pass it. Remove code to
3271 save / clear / restore flag_unroll_{,all_}loops.
3273 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
3275 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
3277 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
3279 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
3281 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
3283 * except.c (get_dynamic_handler_chain): Only make the call once per
3286 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
3288 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3290 * sh.c (final_prescan_insn): Use local label prefix
3291 when emitting .uses pseudo-ops.
3293 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3295 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
3296 * except.c: Lose outer_context_label_stack.
3297 (expand_eh_region_end): Rethrow from outer_context here.
3298 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
3299 (expand_internal_throw): Take no args.
3300 (expand_internal_throw_indirect): Lose.
3301 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
3302 (expand_start_all_catch): Start a rethrow region.
3303 (expand_end_all_catch): End it.
3304 (expand_rethrow): New fn.
3305 * except.h: Reflect above changes.
3306 * flow.c: Revert change of Nov 27.
3308 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
3310 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
3312 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3314 * except.c (expand_fixup_region_end): New fn.
3315 (expand_fixup_region_start): Likewise.
3316 (expand_eh_region_start_tree): Store cleanup into finalization here.
3317 * stmt.c (expand_cleanups): Use them to protect fixups.
3319 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
3321 * mips/mips.md (muldi3_r4000): Broaden the output template
3322 and attribute assignments to handle three operand dmult;
3323 rename to muldi3_internal2.
3324 (muldi3): Call the new muldi3_internal2 for R4000, and
3325 any GENERATE_MULT3 chip.
3327 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
3329 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
3331 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
3333 * unroll.c (find_splittable_givs): Remove last change. Handle givs
3334 with a dest_reg that was created by loop.
3336 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
3338 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
3340 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
3342 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
3344 * configure.in: Fix NCR entries.
3346 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
3348 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
3349 nested exceptions correctly.
3351 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
3352 that was created by loop.
3354 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3356 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
3358 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
3360 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
3362 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
3363 (print_operand): Use SMALL_DATA_REG for the register involved in
3364 small data relocations.
3365 (print_operand_address): Ditto.
3367 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
3368 -dynamic linker is not used.
3370 * rs6000.md (call insns): For local calls, use @local suffix under
3371 System V. Don't use @plt under Solaris.
3373 * rs6000.c (output_function_profiler): Put label address in r0, and
3374 store LR in 4(sp) for System V/eabi.
3376 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
3377 byte boundary, and maintain stack backchain.
3379 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
3381 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
3382 fix_truncsfdi2): Change *.
3384 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
3386 * toplev.c (main): Complain about -gdwarfn.
3388 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
3390 * dwarfout.c (output_type): If finalizing, write out nested types
3391 of types we've already written.
3393 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
3395 (patches originally from Geoffrey Keating)
3396 * rs6000.c (function_arg): Excess floating point arguments don't
3397 go into GPR registers after exhausting FP registers under the
3399 (function_arg_partial_nregs): Ditto.
3401 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
3404 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
3406 * integrate.c (output_inline_function): Just unset DECL_INLINE.
3408 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
3410 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
3413 * libgcc2.c (__throw): Initialize HANDLER.
3415 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
3417 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
3418 fix_truncsfdi2): Change *X to ?*X.
3420 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
3422 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
3424 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
3426 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
3428 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
3430 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
3432 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
3434 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
3435 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
3438 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
3440 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
3441 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
3442 gas and not using the new HP assembler.
3444 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
3446 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
3447 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
3449 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
3451 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
3452 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
3455 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3457 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
3459 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3461 * except.h: Add outer_context_label_stack.
3462 * except.c: Likewise.
3463 (expand_start_all_catch): Push the outer_context for the try block
3464 onto outer_context_label_stack.
3465 (expand_end_all_catch): Use it and pop it.
3467 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
3469 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
3471 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
3473 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
3475 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
3477 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
3478 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
3480 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
3482 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
3483 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
3484 __builtin_delete, and __builtin_vec_delete.
3486 * except.c (output_exception_table): Don't bother with
3489 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
3491 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
3492 is an in/out operand.
3493 (zero extended variants of stwm/stwm patterns): Similarly.
3495 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
3497 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
3499 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
3501 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
3502 (output_call_frame_info): Emit a \n after using it.
3504 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
3506 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
3508 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
3510 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
3511 (ASM_OUTPUT_DWARF_VALUE4): New macro.
3512 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
3514 (output_call_frame_info): Do not output forward label differences
3515 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
3516 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
3518 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3520 * sh.md (attribute "type"): Add nil.
3521 (movsi_ie): y/y alternative is type nil.
3522 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
3524 (movsf_ie+1): Delete.
3526 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
3528 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
3529 large_int, emit two insns instead of one splitable insn.
3530 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
3531 from cfa_temp_value, use cfa_offset. Add assert checking that
3534 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
3536 * cccp.c (deps_output): Properly quote file names for make.
3538 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
3540 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
3542 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
3544 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
3546 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
3548 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
3550 (cse_end_of_basic_block): Similarly.
3552 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
3554 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
3555 (SELECT_RTX_SECTION): Define.
3556 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
3558 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
3560 * Makefile.in (compare, compare-lean): Define $stage for each
3562 (gnucompare, gnucompare-lean): Likewise.
3564 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
3566 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
3568 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
3569 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
3571 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
3573 * dwarfout.c (byte_size_attribute): Add local var upper_bound
3574 and add case to handle STRING_TYPE.
3575 * dwarfout.c (output_string_type_die): Fix code to generate
3576 correct string length attribute for fixed length strings.
3577 Still needs support for varying length strings.
3579 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
3581 * toplev.c (get_run_time): Do something sensible for cygwin32.
3583 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
3585 * expr.c (expand_builtin_setjmp): Set
3586 current_function_has_nonlocal_label.
3587 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
3588 call-saved registers across calls.
3590 * alpha.md (exception_receiver): Remove.
3591 (nonlocal_goto_receiver_osf): New
3592 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
3593 (nonlocal_goto_receiver): New, select _osf or _vms.
3595 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
3596 keep them from being propogated to the object file.
3597 (alpha_write_linkage): Likewise.
3598 * alpha.md (call_vms): Likewise.
3599 (call_value_vms): Likewise.
3600 (unnamed osf call insns): Likewise.
3602 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
3603 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3605 * alpha.c (call_operand): Any reg is valid for WinNT.
3606 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
3607 (anon nt calls): Add 'R' alternative.
3608 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
3609 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
3611 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
3613 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
3615 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
3616 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
3617 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
3619 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
3621 * reload1.c (new_spill_reg): Improve fixed or forbidden register
3622 spill error message.
3624 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3626 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
3627 use varargs.h. Wrap header with <>, not "".
3629 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
3631 * integrate.c (save_for_inline_copying): Add return value from
3634 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
3636 * fixincludes: Be a little more restrictive on what we will
3637 substitute to replace definitions of MAXINT for HPUX.
3639 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
3641 * dbxout.c (dbxout_symbol_location): Don't assume that variables
3642 whose address is the stack or argument pointers are indirect
3645 1997-11-13 Paul Eggert <eggert@twinsun.com>
3647 * cccp.c, cpplib.c (compare_defs):
3648 Don't complain about arg name respellings unless pedantic.
3649 * cpplib.c (compare_defs): Accept pfile as new arg.
3650 All callers changed.
3652 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3654 * fold-const.c (fold_truthop): Fix bug in last change.
3656 1997-11-13 Paul Eggert <eggert@twinsun.com>
3658 Fix some confusion with IEEE minus zero.
3660 * real.h (REAL_VALUES_IDENTICAL): New macro.
3662 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
3663 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
3665 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
3666 same tree structure as 0.0.
3668 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
3669 macro instead of doing it by hand.
3671 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
3673 * v850/lib1funcs.asm: Minor whitespace changes.
3674 * v850.c: Fix minor formatting problems in many places.
3675 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
3677 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
3679 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
3680 xplus1 when xplus0 is not a register.
3682 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
3684 * flow.c (find_basic_blocks): During marking phase, if we encounter
3685 an insn with a REG_LABEL note, make the target block live and
3686 create an edge from the insn to the target block. Do not make
3687 edges from all blocks to the target block.
3689 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
3691 * confiugre.in: Tweak NCR entries.
3692 * configure: Rebuilt.
3694 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
3696 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
3697 pick apart floating point values, instead of using CONST_DOUBLE_LOW
3698 and CONST_DOUBLE_HIGH.
3700 * rs6000.md (define_splits for DF constants): Use the appropriate
3701 REAL_VALUE_* interface to pick apart DF floating point constants in
3702 a machine independent fashion.
3704 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3706 * fold-const.c (fold_truthop): When changing a one-bit comparison
3707 against zero into a comparison against mask, do a proper sign
3710 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
3712 * except.c: Do not include "assert.h".
3713 (save_eh_status): Turn asserts into conditional aborts.
3714 (restore_eh_status, scan_region): Likewise.
3715 * dwarfout.c: Do not include "assert.h".
3716 (bit_offset_attribute): Turn asserts into conditional aborts.
3717 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
3718 (output_inlined_structure_type_die): Likewise.
3719 (output_inlined_union_type_die): Likewise
3720 (output_tagged_type_instantiation): Likewise.
3721 (dwarfout_file_scope_decl): Likewise.
3722 * dwarf2out.c: Do not include "assert.h"
3723 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
3724 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
3725 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
3726 (add_bit_size_attribute, scope_die_for): Likewise.
3727 (output_pending_types_for_scope): Likewise.
3728 (get_inlined_enumeration_type_die): Likewise.
3729 (get_inlined_structure_type_die): Likewise.
3730 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
3731 (gen_tagged_type_instantiation_die): Likewise.
3733 * flow.c (find_basic_blocks): Refine further to get a more correct
3734 cfg, especially in the presense of exception handling, computed
3735 gotos, and other non-trivial cases. Call abort if an inaccuracy
3736 is detected in the cfg.
3738 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3740 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
3742 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
3743 (skip_white_space): Use whitespace_cr.
3744 (check_newline): Handle whitespace more consistently.
3746 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
3748 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
3749 * i386/xm-cygwin32.h (POSIX): Define.
3751 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
3753 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
3754 is available elsewhere.
3756 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
3758 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
3759 what the instruction can handle.
3761 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
3763 * stmt.c (expand_decl_cleanup_no_eh): New fn.
3765 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
3767 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
3769 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
3770 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
3772 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
3774 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
3775 swap instruction order.
3777 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
3779 * fixinc.svr4 (__STDC__): Add another case.
3781 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3783 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
3784 addresses in the epilogue delay slot.
3786 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
3788 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
3789 in generated `specs' file.
3791 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
3793 * flags.h (flag_rerun_loop_opt): Declare.
3794 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
3795 * toplev.c (flag_rerum_loop_opt): Delete static.
3797 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3799 Bring over from FSF:
3801 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3803 * va-sh.h (__va_arg_sh1): Define.
3805 SH3E doesn't use any integer registers for subsequent arguments
3806 once a non-float value was passed in the stack.
3807 * sh.c (machine_dependent_reorg): If optimizing, put explicit
3808 alignment in front label for ADDR_DIFF_VEC.
3809 * sh.h (PASS_IN_REG_P): Fix SH3E case.
3810 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
3812 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3814 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
3817 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3819 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
3820 put an use_sfunc_addr before each sfunc.
3821 * sh.md (use_sfunc_addr, dummy_jump): New insns.
3822 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
3824 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3826 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
3828 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
3830 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
3833 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
3835 * alias.c (find_base_value): Only return the known base value for
3838 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
3840 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
3841 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
3843 (prologue_get_pc_and_set_got): New pattern.
3845 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
3847 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
3848 for SUBREG, just fall through.
3850 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
3852 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
3854 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
3856 * fixincludes: Fix "hypot" prototype in NeXT math.h.
3858 * Makefile.in (USE_ALLOCA): Always include alloca.o.
3859 (USE_HOST_ALLOCA): Likewise.
3861 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
3862 and LABEL_REFS fields.
3863 * rtl.h (LABEL_REFS): Update.
3865 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
3867 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
3868 sets i2dest. When calling distribute_notes for i3dest_killed, pass
3869 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
3872 * mips.md (insv, extzv, extv): Add change_address call.
3873 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
3875 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
3877 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
3879 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
3880 save_restore_insns if no FP and GP will be restored.
3882 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
3883 Convert CCmode to word_mode before calling GET_MODE_SIZE.
3885 * acconfig.h (HAVE_INTTYPES_H): Undef.
3886 * configure.in (inttypes.h): Check for conflicts between sys/types.h
3887 and inttypes.h, and verify that intmax_t is defined.
3888 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
3889 * config/mips/x-iris3: Likewise.
3891 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
3893 * alias.c (find_base_value): When copying arguments, return the
3894 tenative value for a hard register.
3896 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
3898 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
3899 (yylex): Record wide strings using target endianness, not host.
3901 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
3903 * mn10200.h (ASM_OUTPUT_BSS): Delete.
3904 (ASM_OUTPUT_ALIGNED_BSS): New macro
3905 * mn10300.h (ASM_OUTPUT_BSS): Delete.
3906 (ASM_OUTPUT_ALIGNED_BSS): New macro.
3907 * v850.h (ASM_OUTPUT_BSS): Delete.
3908 (ASM_OUTPUT_ALIGNED_BSS): New macro.
3910 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3912 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
3914 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
3916 * configure.in (sco5): Use cpio to install header files.
3918 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
3920 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
3922 * configure: Rebuild.
3924 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
3926 * i386/sco5.h: enable -gstabs once again.
3928 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
3930 * arm.c (output_move_double): Allocate 3 entries in otherops array.
3932 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
3934 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
3935 notes for sjlj exceptions too.
3936 (expand_eh_region_end): Similarly for EH_REGION_END notes.
3937 (exception_optimize): Optimize EH regions for sjlj exceptions too.
3938 * final.c (final_scan_insn): Don't output labels for EH REGION
3939 notes if doing sjlj exceptions.
3941 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
3943 * alias.c (init_alias_analysis): Handle -fno-alias-check when
3944 optimizing correctly.
3946 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
3947 or set current_function_calls_setjmp anymore.
3949 * flow.c (find_basic_blocks): If we delete the label for an
3950 exception handler, remove it from the EH label list and remove
3951 the EH_BEGIN/EH_END notes for that EH region.
3953 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
3955 * flow.c (find_basic_blocks): Generate correct flow control
3956 information when exception handling notes are present.
3958 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
3960 * dwarf2out.c (output_call_frame_info): Fix length argument
3961 to ASM_OUTPUT_ASCII.
3962 (output_die, output_pubnames, output_line_info): Likewise.
3964 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
3966 * version.c: Bump for snapshot.
3968 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
3969 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
3970 flag_debug_asm is on.
3971 (output_die, output_pubnames, output_line_info): Likewise.
3973 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
3974 and static_chain_rtx into the potential base values array if
3977 * alias.c (new_reg_base_value): New array of potential base values.
3978 (unique_id): Now file scoped static.
3979 (find_base_value, case REG): Return the value in reg_base_value
3980 array for the REG if it exists. Else, return the value from
3981 new_reg_base_value if copying args and REG is a hard register.
3982 (find_base_value, case PLUS): If either operand of the PLUS is
3983 a REG, try to get its base value. Handle base + index and
3985 (record_set): Use new_reg_base_value instead of reg_base_value.
3986 (init_alias_analysis): Allocate space for new_reg_base_value too.
3987 Rework code to iterate over the insns propagating base value
3988 information until nothing changes.
3990 * global.c (global_alloc): Free the conflict matrix after
3991 reload has finished.
3993 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
3995 * libgcc2.c (L_eh): Define __eh_pc.
3996 Replace __eh_type with generic pointer __eh_info.
3998 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
4000 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
4001 use copy_to_reg if address is not a general_operand.
4003 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4005 * profile.c (output_func_start_profiler): Clear flag_inline_functions
4006 for the duration of the call to rest_of_compilation.
4008 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
4010 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
4012 (sparc*-*-*): Recognize --with-cpu=v9.
4013 * sparc/elf.h: New file.
4014 * sparc/t-elf: New file.
4016 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
4018 * mn10300.c (const_8bit_operand): New function.
4019 (mask_ok_for_mem_btst): New funtion.
4020 * mn10300.md (btst patterns with mem operands): Use new functions
4021 to avoid creating btst instructions with invalid operands.
4023 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
4025 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
4026 are running on PowerPC Linux.
4028 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
4030 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
4031 if not previously defined.
4033 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
4035 * function.c (assign_parms): Correct mode of stack_parm if
4036 entry_parm underwent a mode conversion.
4038 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
4040 * global.c (global_alloc): Use xmalloc instead of alloca for
4041 CONFLICTS, since max_allocno * allocno_row_words alone can be more
4042 than 2.5Mb sometimes.
4044 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
4046 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
4047 DEST for the spill, adjust mode of SRC to compensate.
4049 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
4051 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
4052 since any_memory_operand() allows pseudos during reload.
4053 (reload_inhi, reload_outqi, reload_outhi): Likewise.
4055 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
4057 * m68k.md (btst patterns): Add 5200 support.
4059 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
4061 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
4062 optimizations, look inside dividend to determine if the expression
4063 can be simplified by using EXACT_DIV_EXPR.
4065 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
4068 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
4070 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
4072 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
4074 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
4076 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
4079 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
4081 * alpha.md (movqi, movhi): Make sure new insns created during reload
4082 won't need reloading themselves.
4083 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
4085 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
4087 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
4089 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
4091 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
4092 Patch from Klaus Kaempf <kkaempf@progis.de>.
4094 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
4096 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
4097 to an element in a constant string.
4099 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
4101 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
4102 bit PC-relative offset. The exception range table pointer is now in
4104 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
4105 (count_fdes, add_fdes, get_cie): Adjust.
4106 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
4109 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
4111 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
4113 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
4114 like stack_pointer_rtx.
4116 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
4118 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
4119 targets using "$@" to provide support for similar but not identical
4120 targets without having to duplicate code.
4121 (bootstrap4): New goal.
4123 * Makefile.in (compare, compare-lean, compare3): Combined to one
4124 ruleset determining actions to be performed via $@.
4125 (compare4, compare4-lean): New targets.
4126 (gnucompare, gnucompare3): Combined to one ruleset determining
4127 actions to be performed via $@. Also, note which files failed
4128 the comparison test in .bad_compare.
4129 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
4131 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
4133 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
4134 if the dividend is a multiple of the divisor.
4136 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
4138 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
4140 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
4143 * alias.c (true_dependence): Fix typo.
4145 * toplev.c (flag_rerun_loop_opt): New variable.
4146 (f_options): Handle -frerun-loop-opt.
4147 (rest_of_compilation): If -frerun-loop-opt, then run the loop
4149 (main): Enable -frerun-loop-opt by default for -O2 or greater.
4151 * loop.c (simplify_giv_expr): Adding two invariants results
4154 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
4156 * expr.c (get_inner_reference): Remove the array bias after
4157 converting the index to Pmode.
4159 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
4161 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
4162 (TARGET_MULT_BUG): Define.
4163 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
4164 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
4166 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
4168 * mn10200.c (indirect_memory_operand): Delete unused function.
4169 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
4170 * mn10200.md (bset, bclr insns): Handle output in a reg too.
4172 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
4174 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
4175 the callee's ldgp, we must do it ourselves, and we use the jsr tag
4176 for more than scheduling.
4178 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
4180 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
4182 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
4184 * mn10300.c (symbolic_operand, legitimize_address): New functions.
4185 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
4186 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
4188 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
4190 * version.c: Bump for snapshot.
4192 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4194 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
4197 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
4199 * toplev.c (flag_exceptions): Default value is 2.
4200 (compile_file): If flag_exceptions still has the value 2, then
4203 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
4204 (rs6000_save_machine_status): Save pic_offset_table_rtx.
4205 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
4207 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
4210 * rs6000.md (*movsi_got_internal_mem): New pattern.
4211 (*movsi_got_internal_mem splitter): New define_split.
4213 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
4215 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
4217 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
4219 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
4220 only need to save LR.
4222 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
4224 * mn10300.md (movqi, movhi): Avoid using address registers as
4225 destinations unless absolutely necessary.
4227 * mn10200.c (expand_prologue): Fix typo.
4229 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
4231 * mn10200.md (neghi2): Provide an alternative which works if
4232 the input and output register are the same.
4234 * mn10300.c (print_operand): Handle 'S'.
4235 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
4236 shift amount in last alternative
4238 * mn10300.c (expand_epilogue): Rework to handle register restores
4239 in "ret" and "retf" instructions correctly.
4241 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
4243 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
4244 extzv for memory operands.
4246 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
4247 redundant conditional moves to single operand.
4249 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
4251 * v850.h: Move define of __v850__ from CPP_PREDEFINES
4254 * xm-v850.h: Use __v850 rather than __v850__ to
4257 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
4259 * mips/mips.c (compute_frame_size): Not a leaf function if
4262 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
4264 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
4266 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
4268 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
4269 (DEFAULT_ARCH32_P): New macro.
4270 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
4271 (enum cmodel): Declare.
4272 (sparc_cmodel_string,sparc_cmodel): Declare.
4273 (SPARC_DEFAULT_CMODEL): Provide default.
4274 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
4275 (TARGET_FULLANY): Deleted.
4276 (TARGET_CM_MEDMID): New macro.
4277 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
4278 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
4279 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
4280 (CPP_SPEC): Rewrite.
4281 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
4282 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
4283 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
4284 (ASM_SPEC): Add %(asm_arch).
4285 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
4286 Rename asm_default to asm_cpu_default.
4287 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
4288 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
4289 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
4290 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
4291 (MASK_INT64,MASK_LONG64): Delete.
4292 (MASK_ARCH64): Renamed to MASK_64BIT.
4293 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
4294 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
4295 (TARGET_SWITCHES): Always provide 64 bit options.
4296 (ARCH64_SWITCHES): Delete.
4297 (TARGET_OPTIONS): New option -mcmodel=.
4298 (INT_TYPE_SIZE): Always 32.
4299 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
4300 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
4301 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
4302 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
4303 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
4305 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4306 * sparc/linux.h: Likewise.
4307 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
4308 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
4309 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
4310 (SPARC_DEFAULT_CMODEL): Define.
4311 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4312 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4313 (LONG_DOUBLE_TYPE_SIZE): Define.
4314 (ASM_SPEC): Add %(asm_arch).
4315 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4316 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4317 (TARGET_CPU_DEFAULT): Add ultrasparc case.
4318 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
4319 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
4320 (SPARC_DEFAULT_CMODEL): Define.
4321 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
4322 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
4323 MASK_LONG64, MASK_MEDANY.
4324 (SPARC_DEFAULT_CMODEL): Define.
4325 (CPP_PREDEFINES): Delete.
4326 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4327 (ASM_SPEC): Add %(asm_arch).
4328 (LONG_DOUBLE_TYPE_SIZE): Define.
4329 (DWARF2_DEBUGGING_INFO): Define.
4330 * sparc/splet.h (CPP_SPEC): Delete.
4331 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4332 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
4333 (BLOCK_PROFILER): Likewise.
4334 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
4335 (sparc_override_options): Handle code model selection.
4336 (sparc_init_expanders): Renamed from sparc64_init_expanders.
4337 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
4338 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
4339 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
4340 (sethi_di_fullany): Delete.
4342 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
4343 Jeff Law <law@cygnus.com>
4344 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4346 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
4347 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
4348 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
4349 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
4350 * alpha/alpha.md (arg_home): Likewise.
4352 * alpha/alpha.c (vmskrunch): Delete
4353 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
4354 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
4355 truncate to 64 characters.
4357 * make-l2.com: Support openVMS/Alpha.
4359 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
4361 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4363 * longlong.h (count_leading_zeros): Add missing casts to USItype.
4365 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
4367 * i386/bsd386.h (ASM_COMMENT_START): Define.
4369 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
4371 * tree.c (restore_tree_status): Also free up temporary storage
4372 when we finish a toplevel function.
4373 (dump_tree_statistics): Print stats for backend obstacks.
4375 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
4377 * expr.c (use_group_regs): Don't call use_reg for MEMs.
4379 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
4381 * libgcc2.c (__throw): Don't copy the return address.
4382 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
4384 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
4385 * toplev.c (main): Initialize exceptions_via_longjmp.
4387 * tree.c: Add extra_inline_obstacks.
4388 (save_tree_status): Use it.
4389 (restore_tree_status): If this is a toplevel inline obstack and we
4390 didn't want to save anything on it, recycle it.
4391 (print_inline_obstack_statistics): New fn.
4392 * function.c (pop_function_context_from): Pass context to
4393 restore_tree_status.
4394 * obstack.h (obstack_empty_p): New macro.
4396 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
4398 * i386/freebsd.h (ASM_COMMENT_START): Fix.
4400 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
4402 * v850.c (ep_memory_offset): New function.
4403 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
4405 * v850.h (CONST_OK_FOR_*): Add and correct comments.
4406 (CONSTANT_ADDRESS_P): Add comment.
4407 (EXTRA_CONSTRAINT): Define 'U'.
4408 * v850.md: Add comments on bit field instructions.
4409 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
4410 (lshrsi3): Use N not J constraint.
4412 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
4414 * v850.c (reg_or_0_operand): Call register_operand.
4415 (reg_or_int5_operand): Likewise.
4416 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
4417 (TARGET_SWITCHES): Add "big-switch".
4418 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
4419 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
4420 (CASE_DROPS_THROUGH): Comment out.
4421 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
4422 * v850.md (cmpsi): Delete compare mode.
4423 (casesi): New pattern.
4425 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
4426 * v850.md (ashlsi3): Use SImode not QImode for shift count.
4427 (lshrsi3): Likewise.
4429 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
4430 unreachable switch statement after 'b' support. Remove "b" from
4431 strings for 'b' support.
4432 * v850.md (branch_normal, branch_invert): Change %b to b%b.
4434 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
4436 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
4437 empty line if @inhibit_libc@ is empty.
4439 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
4441 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
4442 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
4443 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
4444 (DWARF2_UNWIND_INFO): Let this track object file format.
4445 (EXTRA_SECTIONS): Add in_eh.
4446 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
4447 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
4449 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
4451 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
4452 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
4454 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
4455 (output_double_int): Output DI mode values correctly when
4456 HOST_BITS_PER_WIDE_INT is 64.
4457 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
4458 fmovd so it works if a quad float ends up in one of the upper 32
4460 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
4461 necessary for PIC support on sparc64.
4463 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
4465 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
4466 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
4467 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
4468 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
4469 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
4470 (SPARC_FP_ARG_FIRST): New macro.
4471 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
4472 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
4473 (NPARM_REGS): There are 32 fp argument registers now.
4474 (FUNCTION_ARG_REGNO_P): Likewise.
4475 (FIRST_PARM_OFFSET): Update to new v9 abi.
4476 (REG_PARM_STACK_SPACE): Define for arch64.
4477 (enum sparc_arg_class): Delete.
4478 (sparc_arg_count,sparc_n_named_args): Delete.
4479 (struct sparc_args): Redefine and use for arch32 as well as arch64.
4480 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
4481 (FUNCTION_ARG_ADVANCE): Rewrite.
4482 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
4483 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
4484 (FUNCTION_ARG_CALLEE_COPIES): Delete.
4485 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
4486 (STRICT_ARGUMENT_NAMING): Define.
4487 (doublemove_string): Declare.
4488 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
4489 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
4490 (doublemove_string): New function.
4491 (output_move_quad): Clean up some of the arch64 support.
4492 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
4493 Don't add 8 bytes of reserved space if arch64.
4494 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
4495 (init_cumulative_args): New function.
4496 (function_arg_slotno): New static function.
4497 (function_arg,function_arg_partial_nregs): New functions.
4498 (function_arg_{pass_by_reference,advance}): New functions.
4499 (function_arg_padding): New function.
4500 * ginclude/va-sparc.h: Rewrite v9 support.
4502 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4504 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
4505 for hard regs to determine base and index registers.
4507 * reload.c (debug_reload_to_stream): New function. Specify stream
4508 into which to write debug info.
4509 (debug_reload): Modify to call debug_reload_to_stream with stderr.
4511 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
4513 * combine.c (can_combine_p): Don't combine with an asm whose
4514 output is a hard register.
4516 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
4518 * c-decl.c (start_struct): Ensure that structs with forward
4519 declarations are in fact packed when -fpack-struct is given.
4521 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
4522 we are packing a structure. This allows a structure with only
4523 bytes to be aligned on a byte boundary and have no padding on a
4526 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4528 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
4530 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
4532 * alpha.c (alpha_return_addr_rtx): New variable.
4533 (alpha_save_machine_status): New; save it.
4534 (alpha_restore_machine_status): New; restore it.
4535 (alpha_init_expanders): New; clear it.
4536 (alpha_return_addr): New; set it.
4537 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
4538 is overly conservative, so search the insns explicitly.
4539 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
4540 (alpha_sa_size [VMS && !VMS]): Likewise.
4541 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
4542 (INIT_EXPANDERS): New definition.
4544 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
4545 (output_prolog [!VMS]): Use them.
4547 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
4548 (alpha_does_function_need_gp): ... a new function. Refine the
4549 CALL_INSN test to just TYPE_JSR.
4550 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
4552 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
4554 * version.c: Bump for snapshot.
4556 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4558 * pa.c (move_operand): Respect -mdisable-indexing.
4559 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
4561 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
4563 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
4565 (umulsidi3,umulsi3_highpart): Ditto.
4566 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
4568 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
4570 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
4571 (alpha_handle_trap_shadows): ... a new function. Handle the entire
4572 function in one go. Emit RTL for trapb, instead of printf directly.
4573 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
4574 (trap_pending): Kill global variable.
4575 (output_epilog): Don't call final_prescan_insn.
4576 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
4577 * alpha.h (FINAL_PRESCAN_INSN): Remove.
4578 (MACHINE_DEPENENT_REORG): Define.
4579 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
4582 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
4584 Tune Haifa scheduler for Alpha:
4585 * alpha.h (ISSUE_RATE): Define.
4586 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
4587 EV4 adjustments to EV5.
4588 * alpha.md: Remove all scaling from function unit delays. Rework
4589 EV5 function units to match the CPU.
4590 (umuldi3_highpart): EV5 added the IMULH insn class.
4592 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
4594 * pa.c (following_call): Fail if the CALL_INSN is an indirect
4597 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
4599 * cplus-dem.c (demangle_signature): Don't look for return types on
4600 constructors. Handle member template constructors.
4602 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
4604 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
4605 * tree.h: Declare them.
4607 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
4609 * configure.in: Handle --with-newlib.
4610 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
4612 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
4614 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
4616 * config/ptx4.h: Fix typo.
4618 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
4620 * version.c: Bump for snapshot.
4622 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
4624 * aclocal.m4: Substitute INSTALL.
4625 * configure: Re-built.
4627 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
4629 * integrate.c (save_for_inline_copying): Avoid undefined pointer
4631 (expand_inline_function): Likewise.
4633 * dwarf2out.c (output_call_frame_info): Reinstate last change
4634 using flag_debug_asm check instead of flag_verbose_asm.
4636 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
4638 * dwarf2out.c (output_call_frame_info): Remove last change.
4640 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4642 * frame.c (__frame_state_for): Execute the FDE insns until the
4643 current pc value is strictly bigger than the target pc value.
4645 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
4647 * regclass.c (init_reg_modes): If we can't find a mode for the
4648 register, use the previous one.
4650 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
4652 * haifa-sched.c (print_block_visualization): Call fprintf directly,
4653 don't sprintf through an alloca'ed buffer.
4655 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
4657 * reload.c (decompose): Always initialize val.base.
4659 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
4661 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
4662 instead of aborting.
4663 * dwarf2out.c (output_call_frame_info): Call app_enable and
4664 app_disable to let GNU as accept the generated comments.
4666 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
4668 * tree.h (get_file_function_name): Add declaration.
4669 * dwarf2out.c (output_call_frame_info): No need to cast
4670 get_file_function_name call anymore.
4671 * profile.c (toplevel): Remove get_file_function_name
4673 * c-lang.c (finish_file): Ditto.
4675 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
4677 * Makefile.in (program_transform_name): Let autoconf substitute
4680 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
4682 * haifa-sched.c (schedule_block): If the first real insn in a
4683 block has any special notes attached to it, remove them.
4685 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
4687 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
4689 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
4691 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
4693 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
4695 * Makefile.in (check-g77): New test target.
4696 (CHECK-TARGETS): Add check-g77.
4698 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
4700 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
4702 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
4704 * flow.c (print_rtl_with_bb): Cast alloca return value for
4707 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
4709 * i386.h (RETURN_ADDR_RTX): New definition that works for
4710 __builtin_return_address(0) and -fomit-frame-pointer.
4712 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
4714 Bring over from FSF.
4715 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
4717 * mips.c (function_arg): Handle passing a struct
4718 containing a double in a DFmode register without the PARALLEL.
4720 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
4722 * pexecute.c: Use spawn if __CYGWIN32__.
4724 * pexecute.c: Include "config.h" first, as per autoconf manual
4725 (from Paul Eggert <eggert@twinsun.com>).
4727 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4729 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
4730 optimisation for f/expr.o and f/stb.o.
4732 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
4734 * cse.c (this_insn_cc0_mode): Initialize.
4736 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
4738 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
4740 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
4742 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
4744 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
4745 that pair will dual-issue on the 21164 and plus+beq won't.
4746 (bne): Likewise for cmpeq+beq.
4748 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
4750 * except.c (find_exception_handler_labels): Correct argument to free.
4752 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
4754 * except.c (find_exception_handler_labels): Free LABELS when we're
4757 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
4759 * version.c: Bump for snapshot.
4761 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
4763 * flow.c (find_basic_blocks): Mark calls as potentially jumping
4766 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
4768 * configure.in: Substitute for "install" too.
4769 * configure: Rebuilt.
4771 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
4773 * Makefile.in (bootstrap-lean, compare-lean): New targets.
4775 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
4777 * alias.c (base_alias_check): Two symbols can conflict if they
4778 are accessed via AND.
4779 (memrefs_conflict_p): Likewise.
4781 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
4782 after flushing argument registers to the stack.
4784 * Makefile.in (mostlyclean): Remove .regmove files.
4786 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4788 * libgcc2.c (__throw): Fix thinko.
4790 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
4792 * cplus-dem.c (demangle_template): Add new parameter. Handle new
4793 template-function mangling.
4794 (consume_count_with_underscores): New function.
4795 (demangle_signature): Handle new name-mangling scheme.
4797 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4799 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
4802 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
4804 * frame.c: Remove last change.
4805 * dwarf2.h: Remove last change.
4806 * tree.h: Add declarations of DWARF2 unwind info support
4809 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4811 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
4812 * tree.h (built_in_function): Likewise.
4813 * expr.c (expand_builtin): Likewise.
4814 * except.h: Likewise.
4815 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
4816 * libgcc2.c (copy_reg): New fn.
4819 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
4821 * c-typeck.c (build_binary_op): Warn about comparing signed vs
4822 unsigned if -W is specified and -Wno-sign-compare is not.
4823 * c-decl.c (warn_sign_compare): Initialize to -1.
4824 (c_decode_option): -Wall no longer implies -Wsign-compare.
4826 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4828 * frame.c: Include gansidecl.h for PROTO.
4829 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
4830 defined. Don't declare dwarf2out_cfi_label here.
4831 * dwarf2.h: Add declarations of DWARF2 unwind info support
4833 * m68k.c: Include dwarf2.h.
4834 (output_function_prologue): Add dwarf2 support.
4835 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
4836 (INCOMING_FRAME_SP_OFFSET): Likewise.
4838 * integrate.c (expand_inline_function): Make sure there is at
4839 least one insn that can be used as an insertion point.
4841 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
4843 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
4845 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
4847 * version.c: Bump for snapshot.
4849 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
4851 Bring over from FSF.
4853 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
4855 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
4856 (get_pc_via_rdpc): Renamed from get_pc_sp64.
4857 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
4859 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
4861 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
4862 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
4864 (sparc_align_{loops,jumps,funcs}_string): Declare.
4865 (sparc_align_{loops,jumps,funcs}): Declare.
4866 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
4867 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
4868 (STACK_BIAS): Define.
4869 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
4871 (SPARC_SETHI_P): New macro.
4872 (CONST_OK_FOR_LETTER_P): Use it.
4873 (ASM_OUTPUT_ALIGN_CODE): Define.
4874 (ASM_OUTPUT_LOOP_ALIGN): Define.
4875 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
4876 (sparc_align_{loops,jumps,funcs}): New globals.
4877 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
4879 (move_operand): Use SPARC_SETHI_P.
4880 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
4882 (arith11_double_operand): Likewise.
4883 (arith10_double_operand): Likewise.
4884 (finalize_pic): Finish sparc64 support.
4885 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
4886 64 bit constants if able.
4887 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
4888 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
4890 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
4891 (get_pc_sp32): Use for sparc64 as well.
4892 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
4893 (sethi_di_sp64_const): Likewise.
4894 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
4895 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
4896 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
4898 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
4900 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
4901 * sparc/linux.h (COMMENT_BEGIN): Likewise.
4902 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
4904 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
4906 Add sparc64 linux support.
4907 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
4908 to xm_file list on 32-bit sparc-linux.
4909 * sparc/xm-sp64.h: New file.
4910 * sparc/linux64.h: New file.
4911 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
4912 Don't include xm-sparc.h.
4913 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
4914 * glimits.h (LONG_MAX): Handle sparc64.
4916 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
4918 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
4919 * sparc.h (ASM_COMMENT_START): Define.
4920 * sparc.c (output_function_prologue): Use it.
4921 (sparc_flat_output_function_{epi,pro}logue): Likewise.
4923 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
4925 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
4926 use sparc.h's copies.
4927 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
4930 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4932 * sparc.c (dwarf2out_cfi_label): Add declaration.
4933 (save_regs, output_function_prologue): Remove cast for it.
4934 (sparc_flat_{save_restore,output_function_prologue): Likewise.
4935 ({save,restore}_regs): No longer inline.
4937 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4939 * fold-const.c (make_range): Correctly handle cases of converting
4940 from unsigned to signed type.
4942 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4944 * fold-const.c (merge_ranges): Make sure that if one range is subset
4945 of another, it will always be the second range. Correct (+,-) case to
4948 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
4950 * final.c (final_end_function): Also do dwarf2 thing if
4951 DWARF2_DEBUGGING_INFO.
4952 (final_start_function): Likewise.
4954 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
4956 * expmed.c (expand_divmod): If compute_mode is not the same as
4957 mode, handle the case where convert_modes() causes op1 to no
4958 longer be a CONST_INT.
4960 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
4961 note holding get_jump_flags() calculation to all JUMP_INSNs.
4962 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
4963 * rtl.c (reg_note_name): Add new note types.
4965 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
4967 * rtlanal.c (computed_jump_p): Fix typo in last change.
4969 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4971 * loop.c (indirect_jump_in_function_p): Return 0
4974 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
4976 * rs6000/xm-rs6000.h: Fix thinko in last change.
4977 * rs6000/xm-sysv4.h: Likewise.
4979 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
4981 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
4983 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
4985 * reg-stack.c (find_blocks): Fix thinko in last change.
4987 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4989 * m68k.c (output_function_prologue): Add dwarf2 support.
4991 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
4992 INCOMING_FRAME_SP_OFFSET): New definitions.
4994 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
4996 * combine.c (try_combine): Use NULL_RTX instead of '0' where
4997 appropriate in calls to gen_rtx().
4998 * cse.c (cse_main): Likewise.
4999 * emit-rtl.c (gen_label_rtx): Likewise.
5000 * expr.c (init_expr_once): Likewise.
5001 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
5002 sched_analyze, init_rgn_data_dependences,
5003 compute_block_backward_dependences): Likewise.
5004 * sched.c (schedule_insns): Likewise.
5005 * varasm.c (immed_double_const): Likewise.
5007 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
5008 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
5010 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
5012 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
5013 (MULTILIB_DEFAULTS): Define.
5014 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
5015 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
5016 (LIBGCC_SPEC): Likewise.
5017 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
5018 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
5019 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
5020 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
5021 (EXTRA_PARTS, TAROUTOPTS): Delete.
5022 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
5023 (MULTILIB_OPTIONS): Define.
5024 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
5025 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
5027 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
5029 * version.c: Bump for snapshot.
5031 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
5033 * loop.c (loop_number): Delete function. Change all references
5034 to use uid_loop_num array.
5035 * loop.h (loop_number): Delete declaration.
5036 * unroll.c (unroll_loop): Change "loop_number" references to
5037 use uid_loop_num instead.
5039 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
5041 (loop_unroll_iter): Remove unused variable and all references.
5042 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
5043 (insert_bct): Fix minor formatting problems.
5044 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
5045 (loop_unroll_iter): Removed unused decl.
5046 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
5047 Always record the unrolling factor.
5049 * cse.c (simplify_relational_operation): Set h0u just like h0s.
5050 Similarly for h1u and h1s.
5052 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
5053 (find_basic_blocks): Use computed_jump_p to determine if a
5054 particular JUMP_INSN is a computed jump.
5055 * reg-stack.c (find_blocks): Use computed_jump_p to determine
5056 if a particular JUMP_INSN is a computed jump.
5057 * rtlanal.c (jmp_uses_reg_or_mem): New function.
5058 (computed_jump_p): Likewise.
5059 * rtl.h (computed_jump_p): Declare.
5060 * genattrtab.c (pc_rtx): Define and initialize.
5061 * loop.c (loop_optimize): Always determine if the current
5062 function has a computed jump.
5063 (indirect_jump_in_function_p): Use computed_jump_p to determine
5064 if a particular JUMP_INSN is a computed jump.
5066 * loop.c (fix_bct_param): Delete unused function.
5067 (check_bct_param): Likewise.
5069 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
5071 * frame.c (__deregister_frame): Check properly for initialized object.
5073 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5075 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
5077 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5079 * jump.c (thread_jumps): check can_reverse_comparison_p before
5080 threading a reversed-condition jump.
5082 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
5083 * haifa-sched.c (update_flow_info): Likewise.
5085 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
5087 * Makefile.in (BOOT_CFLAGS): Use -O2.
5089 * configure.in (strtoul, bsearch): Have autoconf check for these
5091 * configure, config.in: Rebuilt.
5093 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
5094 * mips/mips.h (alloca): Likewise.
5095 * rs6000/xm-rs6000.h (alloca): Likewise.
5096 * rs6000/xm-sysv4.h: Likewise.
5098 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
5100 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
5101 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
5102 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
5104 * except.c (end_eh_unwinder): Subtract 1 from return address.
5105 * libgcc2.c (__throw): Likewise.
5106 (find_exception_handler): Don't change PC here. Compare end with >.
5108 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
5110 * v850.c (compute_register_save_size): Correct register
5112 * v850.md (save_interrupt, return_interrupt): Correct
5114 * v850/lib1funcs.asm (save_interrupt): Correct register number.
5115 (return_interrupt): Use stack pointer, not element pointer.
5117 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
5119 * configure.in, configure: Make sure to create the stage* and include
5120 symbolic links in each subdirectory.
5122 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
5124 * pa.md (reload_peepholes): Don't allow addresses with side
5125 effects for the memory operand.
5127 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
5129 * libgcc2.c (find_exception_handler): Subtract one from our PC when
5130 looking for a handler, to avoid hitting the beginning of the next
5133 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
5135 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
5137 * mips/abi64.h (LONG_MAX_SPEC): Define.
5138 * mips.h (LONG_MAX_SPEC): Define.
5139 (CPP_SPEC): Include long_max_spec.
5140 (EXTRA_SPECS): Include long_max_spec.
5142 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
5144 * v850.c (construct_save_jarl): Fix thinko in last change.
5146 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
5148 * version.c: Bump for snapshot.
5150 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
5152 * libgcc2.c (find_exception_handler): Not found is -1.
5154 * integrate.c (expand_inline_function): Move expand_start_bindings
5155 after expanding the arguments.
5157 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
5159 * expr.c (expand_expr): Remove previous incorrect change.
5160 If target and slot has no DECL_RTL, then call mark_addressable
5161 again for the slot after we give it RTL.
5163 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
5165 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
5166 again for the slot after we give it RTL.
5168 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
5170 * v850.c (register_is_ok_for_epilogue,
5171 pattern_is_ok_for_epilogue, construct_restore_jr,
5172 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
5174 * v850.h (pattern_is_ok_for_prologue,
5175 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
5178 * v850.md: Replace prologue and epilogue patterns with a
5179 match_parallel pattern.
5181 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
5183 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
5184 * configure.in: Use EGCS_PROG_INSTALL.
5186 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
5188 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
5189 extern inline function.
5191 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
5193 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
5194 (concat_loc_descriptor): New function.
5195 (loc_descriptor): Call it.
5196 (add_AT_location_description): Also elide the descriptor if both
5197 halves of a CONCAT are pseudos.
5198 (add_location_or_const_value_attribute): Recognize CONCAT too.
5200 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
5202 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
5204 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
5205 out-or-range reg_offset.
5206 (output_epilog): Likewise.
5208 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
5210 * cse.c (simplify_relational_operation): If MODE specifies a
5211 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
5212 is derived from the sign bit of the low word.
5214 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
5216 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
5218 * dwarf2.h: Add DW_CFA_GNU_args_size.
5219 * frame.c (execute_cfa_insn): Likewise.
5220 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
5221 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
5222 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
5223 insn, hand it off to dwarf2out_stack_adjust.
5224 (dwarf2out_begin_prologue): Initialize args_size.
5225 * frame.h (struct frame_state): Add args_size.
5226 * libgcc2.c (__throw): Use args_size.
5227 * final.c (final_scan_insn): If we push args, hand off all insns
5228 to dwarf2out_frame_debug.
5229 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
5231 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
5232 Handle epilogue restore of SP from FP.
5233 * emit-rtl.c (gen_sequence): Still generate a sequence if the
5234 lone insn has RTX_FRAME_RELATED_P set.
5236 * frame.c (extract_cie_info): Handle "e" augmentation.
5237 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
5238 absence of UNALIGNED_*_ASM_OP.
5239 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
5240 (output_call_frame_info): Use "e" instead of "z" for augmentation.
5241 Don't emit augmentation fields length.
5242 (dwarf2out_do_frame): Move outside of #ifdefs.
5243 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
5246 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
5247 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
5248 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
5249 * sparc/sun4gas.h: New file.
5250 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
5252 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
5253 __register_frame_table and __deregister_frame.
5255 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
5257 * except.c (find_exception_handler_labels): Use xmalloc instead of
5258 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
5261 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
5263 * Makefile.in: Various changes to build info files
5264 in the object tree rather than the source tree.
5266 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
5268 * fixinc.math: New file to fix math.h on some systems.
5269 * configure.in (freebsd, netbsd): Use fixinc.math on these
5271 * configure: Rebuilt.
5273 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
5275 * regmove.c (regmove_optimize): If we end up moving the
5276 original insn due to lifetime overlaps, make sure to move
5279 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
5281 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
5283 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
5285 * haifa-sched.c (add_branch_dependences): Make each insn in
5286 a SCHED_GROUP_P block explicitly depend on the previous insn.
5288 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
5290 * except.h: Prototype dwarf2 hooks.
5293 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
5295 * configure.in (native_prefix): Delete.
5296 (mips-dec-netbsd): Don't set prefix.
5297 (*linux*): Don't set prefix.
5299 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
5301 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
5302 defined. If not defined, include <sys/varargs.h> if
5303 HAVE_SYS_VARARGS_H is defined.
5304 * configure.in: Test for varargs.h and sys/varargs.h.
5305 * configure: Regenerate with autoconf.
5306 * config.in: Regenerate with autoheader.
5308 * cpplib.c (quote_string): Cast first arg of sprintf call
5309 from "unsigned char *" to "char *".
5310 (output_line_command): Ditto.
5311 (macroexpand): Ditto.
5312 (do_line): Cast atoi arg from "unsigned char *" to "char *".
5314 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
5316 * version.c: Bump for snapshot.
5318 * Makefile.in (compare): Exit with nonzero status if there
5319 are comparison failures. Note which files failed the
5320 comparison test in .bad_compare.
5322 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5324 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
5326 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
5328 * Makefile.in (LN, LN_S): New macros, use where appropriate.
5329 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
5330 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
5331 * configure: Regenerated.
5333 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
5335 * loop.c (strength_reduce): Fix typo.
5337 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
5339 * m88k/m88k.c (struct option): Rename to struct options.
5340 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
5341 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
5342 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
5343 __DOLPHIN__ or sysV88.
5345 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
5347 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
5350 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
5352 * config.sub: Accept 'amigados' for backward compatability.
5354 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5356 * Makefile.in (testsuite/site.exp): New target.
5357 (check-gcc, check-g++): Depend on testsuite/site.exp.
5358 Don't stop for failure.
5360 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
5362 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
5363 if DWARF2_UNWIND_INFO.
5365 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
5367 Add support for exception handling using DWARF 2 frame unwind info.
5368 Currently works on SPARC and MIPS, and almost on x86.
5370 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
5371 next_stack_level, in_reg_window): Helper fns.
5372 (__throw): Implement for DWARF2_UNWIND_INFO.
5374 * expr.c (expand_builtin): Handle builtins used by __throw.
5375 * tree.h (enum built_in_function): Add builtins used by __throw.
5376 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
5377 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
5378 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
5379 (expand_builtin_extract_return_addr): Likewise.
5380 (expand_builtin_frob_return_addr): Likewise.
5381 (expand_builtin_set_return_addr_reg): Likewise.
5382 (expand_builtin_eh_stub): Likewise.
5383 (expand_builtin_set_eh_regs): Likewise.
5384 (eh_regs): Choose two call-clobbered registers for passing back values.
5386 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
5387 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
5388 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
5389 (stmp-multilib): Likewise.
5390 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
5392 * except.c: #include "defaults.h".
5393 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
5394 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
5395 (register_exception_table_p): New fn.
5396 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
5397 (end_eh_unwinder): Likewise.
5399 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
5400 call __register_frame and __deregister_frame as needed.
5401 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
5402 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
5403 EH_FRAME_SECTION_ASM_OP.
5404 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
5405 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
5406 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
5408 * dwarf2out.c (output_call_frame_info): If no support for
5409 EXCEPTION_SECTION, mark the start of the frame info with a
5411 * collect2.c (frame_tables): New list.
5412 (is_ctor_dtor): Recognise frame entries.
5413 (scan_prog_file): Likewise.
5414 (main): Pass -fno-exceptions to sub-compile. Also do collection
5415 if there are any frame entries.
5416 (write_c_file_stat): Call __register_frame_table and
5417 __deregister_frame as needed.
5418 (write_c_file_glob): Likewise.
5420 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
5421 Also require unaligned reloc support.
5422 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5423 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
5424 * sparc/sysv4.h: Not here.
5426 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
5427 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
5428 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
5430 * libgcc2.c (L_eh): Reorganize, moving code shared by different
5431 EH implementations to the top.
5432 (find_exception_handler): Split out. Start from 0. Compare against
5434 (__find_first_exception_table_match): Use it.
5435 * except.c (output_exception_table): Don't do anything if there's
5436 no table. Don't output a first entry of zeroes.
5437 (eh_outer_context): Adjust properly.
5438 (add_eh_table_entry): Use xrealloc.
5439 * toplev.c (compile_file): Just call output_exception_table.
5441 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
5443 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
5445 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
5447 * except.c (eh_outer_context): Do masking using expand_and.
5449 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
5451 Add port done awhile ago for the ARC cpu.
5452 * arc/arc.h: New file.
5453 * arc/arc.c: New file.
5454 * arc/arc.md: New file.
5455 * arc/initfini.c: New file.
5456 * arc/lib1funcs.asm: New file.
5457 * arc/t-arc: New file.
5458 * arc/xm-arc.h: New file.
5459 * ginclude/va-arc.h: New file.
5460 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
5461 * ginclude/varargs.h: Likewise.
5462 * Makefile.in (USER_H): Add va-arc.h.
5463 * configure.in (arc-*-elf*): Recognize.
5464 * longlong.h: Add ARC support.
5466 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
5468 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
5469 when clearing non-BLKmode data.
5471 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
5473 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
5474 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
5476 * xm-m88k.h (USG): Only define if it hasn't already been defined.
5478 * Makefile.in (risky-stage1): Delete gratutious whitespace.
5480 * Makefile.in (clean): Delete libgcc1-test.
5482 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
5484 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
5486 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
5489 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5491 * dwarf2out.c (output_call_frame_info): Call named_section.
5493 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
5495 * haifa-sched.c (print_value): Fix last change.
5497 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
5499 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
5502 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
5504 * mips.c (function_prologue): Set up the CFA when ABI_32.
5506 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
5507 for dwarf2 unwind info.
5508 (output_function_prologue, sparc_flat_output_function_prologue): Same.
5510 * final.c (final_end_function): Check dwarf2out_do_frame instead
5511 of DWARF2_DEBUG for dwarf2 unwind info.
5512 (final_scan_insn): Likewise.
5513 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
5516 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
5519 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
5521 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
5523 * v850.h (ASM_SPEC): Pass on target processor.
5524 (CPP_PREDEFINES): Only define if not already specified.
5525 (TARGET_VERSION): Only define if not already specified.
5526 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
5528 (EXTRA_SWITCHES): Extra entries in the switches array.
5529 (TARGET_DEFAULT): Set default target processor.
5531 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
5533 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
5534 cases, add %# and %/, and add : to make them into extended asms.
5536 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
5538 * alias.c (init_alias_analysis): Clean up incompatible pointer
5539 type warning in bzero.
5540 * regmove.c (regmove_optimize): Ditto.
5541 * haifa-sched.c (find_rgns): Ditto.
5543 * haifa-sched.c (print_value): Clean up ptr->int cast
5546 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
5548 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
5549 * install.texi (Configurations): Ditto.
5550 * config.sub: Ditto.
5552 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
5554 * Makefile.in (sdbout.o): Depend on insn-config.h.
5556 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
5558 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
5559 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
5561 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
5563 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
5564 prologue insn, only the first elt is significant.
5565 (output_call_frame_info): For exception handling, always use 4-byte
5566 fields as specified by the dwarf2 spec.
5567 Don't skip trivial FDEs.
5569 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
5571 * version.c: Bump for snapshot.
5573 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
5575 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
5576 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
5579 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
5581 * final.c (shorten_branches): During first pass, assume worst
5582 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
5584 * Makefile.in (distclean): Remove various things left around
5585 by running the testsuite.
5587 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
5589 * configure.in (out_file): Emit definition to config.status in order
5590 to have a defined value for configure.lang.
5591 * configure: Re-built.
5593 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
5595 * configure.in: Make symlink to as-new rather than as.new. Similarly
5597 * configure: Rebuilt.
5599 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
5601 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
5603 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
5605 * sparc/sparc.md: Add ultrasparc scheduling support.
5606 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
5608 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
5610 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
5611 as initial value for real_label_map.
5612 (copy_for_inline): Likewise.
5614 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5616 * sched.c (update_flow_info) When looking if to set found_split_dest
5617 or found_orig_dest, look at all parts of a PARALLEL.
5618 * haifa-sched.c (update_flow_info): Likewise.
5620 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
5622 * v850: New directory for v850 port.
5623 * v850/lib1funcs.asm: New file.
5624 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
5625 * ginclude/va-v850.h: New file.
5626 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
5627 * configure.in (mn10200-*-*): New target.
5628 * configure: Rebuilt.
5629 * config.sub: Handle v850-elf.
5630 * Makefile.in (USER_H): Add va-mn10200.h.
5631 * invoke.texi: Document v850 stuff.
5633 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
5635 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
5636 has integer TYPE_{MAX,MIN}_VALUE before using them.
5638 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
5639 __HPUX_ASM__ versions.
5641 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
5643 * install.sh: Delete duplicate install script.
5645 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
5647 * reg-stack.c (subst_stack_regs): Pop the stack register for a
5648 computed goto which sets the same stack register.
5650 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
5651 destination are both on the regstack.
5652 (subst_stack_regs_pat): Put the destination at the top of the regstack.
5654 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
5656 * mips.md (nonlocal_goto_receiver): Define.
5658 * profile.c (output_arc_profiler): Check next_insert_after for non
5659 NULL before deferencing it.
5661 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
5663 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
5665 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
5667 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
5669 * toplev.c (rest_of_compilation): For passes starting with
5670 flow_analysis, use print_rtl_with_bb instead of print_rtl.
5672 * print-rtl.c (print_rtl_single): Print a single rtl value to a
5675 * flow.c (print_rtl_with_bb): Print which insns start and end
5676 basic blocks. For the start of a basic block, also print the live
5679 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
5681 * toplev.c (main): Change #elif to #else/#ifdef
5683 * tlink.c: Include ctype.h.
5684 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
5686 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
5688 * bitmap.c: Conditionally include stdlib.h.
5689 (free): Provide a declaration if NEED_DECLARATION_FREE.
5691 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
5693 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
5695 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
5697 * profile.c (output_arc_profiler): Verify next_insert_after is an
5698 INSN before and after skipping a stack pop.
5700 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5702 * final.c (shorten_branches): Don't count the lengths of deleted
5705 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
5707 * version.c: Bump for snapshot.
5709 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
5711 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
5712 two bitmaps ANDed together.
5713 (bitmap_print): Declare.
5715 * bitmap.c (function_obstack): Don't declare any more.
5716 (bitmap_obstack): Obstack for allocating links from.
5717 (bitmap_obstack_init): New static to say whether to initialize
5719 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
5720 (bitmap_release_memory): Free all memory allocated from
5723 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
5724 EXECUTE_IF_AND_IN_BITMAP.
5726 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
5728 * alias.c (true_dependence): Address with AND can alias scalars.
5729 (anti_dependence, output_dependence): Likewise.
5731 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
5733 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
5735 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
5736 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
5737 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
5738 definitions. Use -qrtems instead of -mrtems.
5740 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
5742 * xm-sco5.h (sys_siglist): Define.
5743 (SYS_SIGLIST_DECLARED): Likewise.
5745 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
5747 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
5749 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
5751 * except.c (eh_outer_context): Expand masking operation using
5754 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
5756 * alpha.md (floatdisf2-1): New pattern.
5758 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
5760 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
5761 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
5762 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
5763 * gcc.texi: Note that if you define sys_siglist that you should
5764 also define SYS_SIGLIST_DECLARED.
5766 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
5767 are relative to the next instruction, not the current instruction.
5769 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
5771 * local-alloc.c (contains_replace_regs): New function.
5772 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
5773 verify that there is no existing REG_EQUIV note, and add a call to
5774 contains_place_regs.
5776 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5778 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
5779 (STARTFILE_SPEC): Always use crtbegin.o%s
5780 (ENDFILE_SPEC): Always use crtend.o%s.
5782 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
5784 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
5786 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
5787 SFmode for 64 bit hosts.
5789 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
5791 * fixincludes: Permits spaces between # and define. Discard C++
5792 comments in sys/pci.h on HP/UX 10.20.
5794 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
5796 * version.c: Bump for snapshot.
5798 * pa.c (restore_unscaled_index_insn_codes): New function.
5799 (record_unscaled_index_insn_codes): Likewise.
5800 (output_function_prologue): Call restore_unscaled_index_insn_codes.
5801 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
5802 (pa_reorg): Call record_unscaled_index_insn_codes.
5804 * haifa-sched.c (move_insn): Handle notes correctly for insns
5805 with SCHED_GROUP_P set.
5807 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5809 * alpha/xm-linux.h (USE_BFD): Undef before define.
5811 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
5813 * cse.c (cse_insn): Don't record BLKmode values.
5815 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
5817 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
5819 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
5821 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
5822 * collect2.c (sys_errlist): Likewise.
5823 * cpplib.c (sys_errlist): Likewise.
5824 * gcc.c (sys_errlist): Likewise.
5825 * protoize (sys_errlist): Likewise.
5826 * configure.in: Check for strerror.
5827 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
5828 * xm-gnu.h (HAVE_STRERROR): Likewise.
5829 * xm-linux.h (HAVE_STRERROR): Likewise.
5830 * xm-netbsd.h (HAVE_STRERROR): Likewise.
5831 * xm-bsd386.h (HAVE_STRERROR): Likewise.
5832 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
5833 * xm-dos.h (HAVE_STRERROR): Likewise.
5834 * xm-mingw32.h (HAVE_STRERROR): Likewise.
5835 * xm-pa.h (HAVE_STRERROR): Likewise.
5836 * xm-papro.h (HAVE_STRERROR): Likewise.
5837 * xm-sysv4.h (HAVE_STRERROR): Likewise.
5838 * configure, config.in: Rebuilt.
5840 * Makefile.in: Add several missing "else true" clauses.
5842 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
5843 * mips-tfile.c: Likewise.
5844 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
5845 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
5846 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
5847 * configure.in: Check for sys_siglist declaration.
5848 * configure, config.in: Rebuilt.
5850 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
5852 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
5853 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
5854 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
5855 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
5856 * rs6000/sysv4.h (extra_subtarget_switches): Added new
5857 macro EXTRA_SUBTARGET_SWITCHES.
5858 * configure.in (sh*-*-rtems*): New target.
5859 * sh/rtems.h: New file.
5860 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
5861 * configure: Rebuilt.
5863 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
5865 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
5867 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
5869 * rs6000.md: Make DF fused-add operations pay attention to
5872 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
5874 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
5876 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
5878 * pa.md (reload_peepholes): Make sure operand is a REG before
5879 examining REGNO. Allow general registers too.
5881 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
5883 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
5885 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
5887 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
5888 to reallocate abbrev_die_table.
5890 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
5892 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
5894 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5896 * Makefile.in (config.status): Depend on version.c
5898 * expr.h (insn_gen_function): Reenable prototype.
5900 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
5903 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
5905 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
5907 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
5909 * version.c: Bump for latest snapshot.
5911 * bc-optab.c: Conditionally include stdlib.h.
5912 (free): Provide a declaration if NEED_DECLARATION_FREE.
5913 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
5914 * rtl.h (free): Remove declaration.
5915 * tree.h (free): Remvoe declaration.
5917 * configure: Rebuilt.
5919 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
5921 * flags.h (flag_move_all_movables): Declare.
5922 (flag_reduce_all_givs): Likewise.
5923 * loop.c (move_movables): Handle flag_move_all_movables.
5924 (strength_reduce): Handle flag_reduce_all_givs.
5925 * toplev.c (flag_move_all_movables): Define.
5926 (flag_reduce_all_givs): Likewise.
5927 (f_options): Add -fmove-all-movables and -freduce-all-givs.
5928 * invoke.texi: Document new options, including alias stuff that
5929 wasn't included last time.
5931 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
5933 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
5936 * t-vxworks68: Ditto.
5937 * t-vxworks960: Ditto.
5940 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
5942 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
5943 if not already defined, and USE_C_ALLOCA not defined.
5945 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
5947 * config.guess: Replace with script that uses ../config.guess.
5949 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
5950 if USE_GNULIBC_1 is not defined.
5952 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
5954 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
5955 * config.guess: Recognize alpha-linux-gnulibc1.
5956 * configure.in (alpha-*-linux-gnulibc1): New target.
5957 (alpha-*-linux-gnu*): Don't build crtbegin/end.
5959 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
5961 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
5964 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
5966 * loop.c (combine_movables): Earlier insns don't match later ones.
5968 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5970 * config/linux.h (CC1_SPEC): Define it only if not defined.
5972 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
5975 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
5976 USE_GNULIBC_1 is not defined.
5978 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
5980 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
5981 as 1 if USE_GNULIBC_1 is not defined.
5983 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
5985 * reorg.c (dbr_schedule): Allow current_function_return_rtx
5986 to be something other than a REG.
5987 * function.c (expand_function_end): Fix current_function_return_rtx
5990 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
5991 * x-netbsd: Likewise
5992 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
5993 (INSTALL_HEADERS): Delete.
5994 * x-dguxbcs: Likewise.
5995 * x-hp3bsd44: Likewise
5998 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6000 * i386.md (pop): pop increments the stack pointer.
6001 (prologue_set_stack_ptr): New pattern.
6002 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
6005 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
6007 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
6008 address where an offsettable address is required.
6010 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
6012 * loop.c (check_final_value): Don't miss a biv increment in a
6015 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
6017 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
6018 TYPE_DECL_IS_STUB instead of DECL_NAME.
6020 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6022 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
6024 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
6026 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
6028 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
6030 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
6031 (find_post_sched_live): Likewise.
6033 * haifa-sched.c (schedule_block): Remove old code to get arguments
6034 from hard regs into pseudos early.
6036 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
6038 * version.c: Bump for new snapshot.
6040 * local-alloc.c (update_equiv_regs): All the target to reject
6041 promotion of some REG_EQUAL to REG_EQUIV notes.
6042 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
6044 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
6047 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
6048 store of the argument registers.
6050 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
6052 * fold-const.c (multiple_of_p): New function.
6053 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
6055 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
6057 * expr.h (insn_gen_function): Temporarily remove prototype.
6059 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
6061 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
6062 filenames. Use sed to extract base filename for install.
6064 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
6066 * unroll.c (find_splittable_givs): Only share if two givs have the
6067 same add and multiply values.
6069 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
6071 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
6072 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
6074 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
6076 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
6077 around branch tables.
6078 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
6079 and .end_brtab directives if TARGET_GAS.
6081 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
6083 * alias.c (true_dependence): Pass x_addr not x to varies.
6085 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
6086 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
6087 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
6089 * config.in, configure: Regenerate.
6091 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
6093 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
6095 (record_set): Handle LO_SUM like PLUS.
6096 (init_alias_analysis): When following chains of base addresses,
6097 do not stop on reaching a hard register.
6099 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
6101 * version.c: Bump for new snapshot.
6103 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
6105 * alpha.h (ARCH_ASM_FILE_START): Define.
6106 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
6107 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
6109 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
6111 * Makefile.in (install-common): Put gcov comment at start of line.
6113 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
6115 * alias.c (init_alias_analysis): When simplifying the reg_base_value
6116 array, simplify entries for hard registers too.
6118 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
6120 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
6123 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
6125 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
6126 block_stack before dereferencing it.
6128 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
6130 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
6132 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
6134 * cplus-dem.c: Add 'extern' to prepends_underscore.
6136 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
6138 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
6139 (get_issue_rate): Delete.
6140 * pa.h (ISSUE_RATE): Define.
6142 * configure.in: Turn on haifa by default for the PA.
6143 * configure: Rebuilt.
6144 * pa.c (override_options): Accept -mschedule=7200 option.
6145 (pa_adjust_cost): No longer need to scale costs for newer
6147 * pa.h (enum processor_type): Add PROCESSOR_7200.
6148 * pa.md: Revamp scheduling parameters to work better with
6149 haifa. Add scheduling parameters for the 7200.
6151 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
6153 (schedule_block): When adjusting basic_block_{head,end}, account
6154 for movement of SCHED_GROUP_P insns too.
6156 * haifa-sched.c (debug_dependencies): Fix thinko.
6158 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
6159 (site.exp, check, check-g++, check-gcc): New targets.
6161 * haifa-sched.c: Make lots of variables static.
6163 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6165 * expr.h, real.h: Finish prototyping.
6167 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
6169 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
6170 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
6171 * reload1.c: Undo bugfix from Aug 11.
6173 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
6175 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
6176 quotes around the name.
6177 * configure: Regenerate.
6179 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
6181 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
6183 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
6185 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
6186 to sub-makes to avoid building more passes than the user might have
6187 requested on the command line.
6189 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
6191 * configure.in: Expurgate `broken_install' (install is
6194 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
6197 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
6199 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
6200 functions and declarations.
6201 (analyze_loop_iterations): Use condjump_p.
6202 (insert_bct): Likewise. Use exact_log2.
6204 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
6206 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
6207 (schedule_region): Likewise.
6208 (schedule_insns): Likewise.
6210 * PROJECTS: Update with Haifa stuff.
6212 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
6214 * version.c: Change the version string to look like:
6215 egcs-2.90.00 970814 (gcc2-970802 experimental).
6217 * loop.c (is_conditional_branch): Make definition match declaration.
6219 * gcc.c: Take out experimental snapshot warning message.
6221 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
6223 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
6224 print out the names of the notes. Print out the name of the insn
6225 that is not a note, and not an {,CALL_,JUMP_}INSN.
6227 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6229 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
6230 again for the slot after we give it RTL.
6232 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
6234 * configure.in (haifa configury): Fix typo.
6235 * configure: Regenerate.
6237 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
6239 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
6241 * gcc.info*: Rebuilt.
6243 * COPYING.g77, README.g77: New files.
6244 * real.c (ereal_unto_float, ereal_unto_double): New functions.
6245 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
6246 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
6248 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
6250 * Integrate Haifa instruction scheduler.
6251 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
6252 to sched with $(SCHED_CFLAGS.
6253 * configure.in: Handle --enable-haifa.
6254 * configure: Rebuilt.
6255 * flags.h: Add new flags for haifa instruction scheduler.
6256 * genattrtab.c (expand_units): For haifa, don't subtract one
6257 when computing blockage.
6258 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
6259 (flag_schedule_speculative): Ditto.
6260 (flag_schedule_speculative_load): Ditto.
6261 (flag_schedule_speculative_load_dangerous): Ditto.
6262 (flag_schedule_reverse_before_reload): Ditto.
6263 (flag_schedule_reverse_after_reload): Ditto.
6264 (flag_branch_on_count_reg): Ditto.
6265 (f_options): Add Haifa switches.
6266 (main): Turn off some Haifa options if appropriate macro is
6267 defined. Process Haifa switches.
6268 * unroll.c (iteration_info): No longer static, since Haifa
6270 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
6271 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
6272 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
6273 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
6274 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
6275 storage for the Haifa scheduler.
6276 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
6278 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
6279 are defined, call analyze_loop_iterations and insert_bct to use
6281 (record_giv): Refine test for jumps out of loops if HAIFA is
6283 (analyze_loop_iterations): New function to identify if we can use
6285 (insert_bct): Insert countdown loop.
6286 (instrument_loop_bct): Low level code to insert countdown loop.
6287 (loop_number): Calculate UID of loop.
6288 (indirect_jump_in_function_p): Return true if an indirect jump is
6290 (is_power_of_2): Return true if value is a power of 2.
6291 (is_conditional_branch): Return true if insn is a conditional
6293 (fix_bct_param): Process -fbct-{min,max}-N switches.
6294 (check_bct_param): Return true if loop should be instrumented.
6295 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
6296 (loop_optimize): Initialize.
6297 (get_condition_for_loop): Ditto.
6298 * loop.c (strength_reduce): Inside of code that uses #ifdef
6299 HAVE_decrement_and_branch_on_count code, test it to make sure the
6301 (instrument_loop_bct): Ditto.
6302 * haifa-sched.c: New file.
6305 * Integrate regmove pass.
6306 * Makefile.in (OBJS): Add regmove.o
6307 (regmove.o): Add dependencies.
6308 * flow.c (find_use_as_address): No longer static.
6309 * rtl.h (find_use_as_address): Declare.
6310 * toplev.c (regmove_dump, flag_regmove): Define.
6311 (f_options): Add -fregmove.
6312 (regmove_dump_file, regmove_time): Define.
6313 (fatal_insn): Close the regmove dump file.
6314 (compile_file): Initialize regmove_time; open/close the regmove dump
6315 file as needed. Print regmove time as needed.
6316 (rest_of_compilation): Run regmove pass if requested, dump
6317 RTL after regmove if requested.
6318 (main): If -O2 or more, turn on regmove. Handle dump switches.
6319 * regmove.c: New file.
6321 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
6323 * Integrate tlink patch from jason@cygnus.com
6324 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
6325 (process_command): Increment n_switches for them. Don't discard
6326 their args. Validate them.
6327 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
6329 (process_command): Set include_prefixes from COMPILER_PATH.
6330 (main): Set COLLECT_GCC_OPTIONS sooner.
6331 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
6332 * tlink.c, hash.c, hash.h: New files.
6333 * Makefile.in (USE_COLLECT2): Always use collect2.
6334 (collect2): Depend on and link in hash.o and tlink.o.
6335 (tlink.o, hash.o): Add dependencies.
6337 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
6339 * Integrate alias analysis changes from jfc@mit.edu
6340 * Makefile.in (OBJS): Add alias.o
6341 (alias.o): Add dependencies.
6342 * alias.c: New file.
6343 * sched.c: Remove alias analysis code. It lives in alias.c now.
6344 (sched_analyze_2): Add new arguments to true_dependence.
6345 (schedule_insns): Always call init_alias_analysis.
6346 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
6347 mark return value from such functions as a pointer and keep track of
6348 them for alias analysis. If a return value from a function is a
6349 pointer, mark it as such.
6350 * combine.c (distribute_notes): Handle REG_NOALIAS.
6351 * cse.c (struct write_data): Delete. No longer needed.
6352 (invalidate): Don't call set_nonvarying_address_components anymore.
6353 Use true_dependence to decide if an entry should be removed from
6355 (invalidate_memory): Remove WRITES argument, simplify appropriately.
6357 (note_mem_written): Similarly for WRITE_PTR argument.
6358 (invalidate_from_clobbers): Similarly for W argument.
6359 (invalidate_for_call): Remove memory elements from the hash table.
6360 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
6361 (cse_rtx_varies_p): New function. Derived from old
6362 cse_rtx_addr_varies_p.
6363 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
6364 Don't call note_mem_written anymore. Stack pushes invalidate the stack
6365 pointer if PUSH_ROUNDING is defined. No longer need to call
6366 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
6367 (skipped_writes_memory): Remove variable.
6368 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
6369 (invalidate_skipped_block): Simplify for new alias analysis code.
6370 (cse_set_around_loop): Likewise.
6371 (cse_main): Call init_alias_analysis.
6372 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
6373 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
6374 (f_options): Add new alias checking arguments.
6375 (main): Set flag_alias_check when optimizing.
6376 * local_alloc (validate_equiv_mem_from_store): Add new arguments
6378 (memref_referenced_p): Likewise.
6379 * loop.c (NUM_STORES): Increase to 30.
6380 (prescan_loop): Only non-constant calls set unknown_address_altered.
6381 (invariant_p): Add new arguments to true_dependence.
6382 (record_giv): Initialize unrolled and shared fields.
6383 (emit_iv_add_mult): Call record_base_value as needed.
6384 * loop.h (struct induction): Add unrolled and shared fields.
6385 * unroll.c (unroll_loop): Call record_base_value as needed.
6386 (copy_loop_body): Likewise.
6387 (final_biv_value): Likewise.
6388 (final_giv_value): Likewise.
6389 (find_splittable_regs): Likewise. Only create one new pseudo
6390 if we have multiple address GIVs that were combined with the same
6391 dst_reg GIV. Note when a new register is created due to unrolling.
6392 * rtl.c (reg_note_name): Add REG_NOALIAS.
6393 * rtl.h (enum reg_note): Similarly.
6394 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
6395 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
6396 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
6397 (true_dependence, read_dependence, anti_dependence): Likewise.
6398 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
6399 (mark_user_reg, mark_reg_pointer): Likewise.
6402 * Integrate reload bugfix from Wilon which enables the PA port
6404 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
6405 OPERAND_ADDRESS when computing how many registers an insn needs.
6406 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
6408 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
6410 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
6411 in reload_reg_use_in_op_addr do not reach the end.
6412 do not reach the end.
6413 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
6414 RELOAD_FOR_OPERAND_ADDRESS.
6416 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
6418 * egcs project officially starts.