1 Sun May 3 13:51:34 PDT 1998 Richard Henerson <rth@cygnus.com>
3 Support for official Sparc V9 ABI:
4 * sparc.c (sparc_override_options): Force stack bias off for !arch64.
5 Care for flag_pcc_struct_return default.
6 (output_move_quad): Rewrite to move by halves on v9 and in the
8 (move_quad_direction): New function.
9 (output_fp_move_quad): Use it to determine the direction of copy.
10 (function_arg_slotno): Return -1 for FP reg overflow as well.
11 (function_arg_record_value*): New functions.
12 (function_arg): Use them. Streamline unprototyped parameter passing.
13 (function_arg_pass_by_reference): Pass TCmode by reference.
14 (function_value): New function.
15 * sparc.h (PTRDIFF_TYPE, SIZE_TYPE): For -pedantic's sake, don't use
16 long long in 64-bit mode.
17 (RETURN_IN_MEMORY): v9 returns structs < 32-bytes in regs.
18 (DEFAULT_PCC_STRUCT_RETURN): Make the default detectable.
19 (BASE_RETURN_VALUE_REG): Consider complex float types for arch64.
20 (BASE_OUTGOING_VALUE_REG, BASE_PASSING_ARG_REG): Likewise.
21 (BASE_INCOMING_ARG_REG): Likewise.
22 (FUNCTION_VALUE): Call function_value.
23 (FUNCTION_OUTGOING_VALUE, LIBCALL_VALUE): Likewise.
24 * sparc.md (movdi_sp32_v9): Disable for arch64.
25 (movsf, movdf, movtf): Sort all ulternatives using fp regs first.
26 (call_value_address_sp64): Remove register class constraints.
27 (call_value_symbolic_sp64): Likewise.
28 (nonlocal_goto): Pass label reg directly to goto_handlers. Constrain
29 v9 case to 32-bit constants.
30 (goto_handler_and_restore_v9): Provide a version for arch64.
31 * sparc/linux64.h (SIZE_TYPE, PTRDIFF_TYPE): Remove private definition.
32 * sparc/sp64-aout.h (TARGET_DEFAULT): Turn on stack bias.
33 (CPP_PREDEFINES): New.
34 * sparc/sp64-elf.h: Likewise.
35 (PREFERRED_DEBUGGING_TYPE): Dwarf2.
36 (ASM_OUTPUT_DWARF2_ADDR_CONST): New.
37 * sparc/sysv4.h (SIZE_TYPE, PTRDIFF_TYPE): Undo svr4.h's changes.
39 Sat May 2 17:47:17 PDT 1998 Jeff Law (law@cygnus.com)
41 * version.c: Bump for snapshot.
43 Sat May 2 01:37:29 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
45 * reload.c (find_reloads): Emit USEs to mark where a pseudo
46 is reloaced with the MEM of its stack slot.
47 * reload1.c (cannot_omit_stores): Delete.
48 (reload): Don't initialize it.
49 Don't apply avoid_return_reg logic to USEs.
50 When done, remove USEs that have a REG_EQUAL note on them.
51 (emit_reload_insns): Handle case where we have inherited a MEM.
52 (delete_output_reload): Don't use cannot_omit_stores.
54 Thu Apr 30 18:59:03 1998 Jim Wilson <wilson@cygnus.com>
56 * Makefile.in (cpp.info, gcc.info): Put -o option before input file.
58 Thu Apr 30 16:57:34 1998 Michael Meissner <meissner@cygnus.com>
60 * haifa-sched.c (print_{exp,value}): Various changes to make the
61 debug output easier to read. Also, use only one buffer, and make
62 sure the buffer we are passed in doesn't overflow.
63 (safe_concat): Concatenate to a buffer without overflow.
65 Thu Apr 30 16:57:34 1998 Kaveh R. Ghazi" <ghazi@caip.rutgers.edu>
67 * haifa-sched.c (alloc_{INSN,EXPR}_LIST): Make static to agree
70 Wed Apr 29 21:45:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
72 * sched.c (new_insn_dead_notes): Check if the register was
73 used in the original instruction.
74 * haifa-sched.c (new_insn_dead_notes): Likewise.
76 Wed Apr 29 13:46:03 1998 Jim Wilson <wilson@cygnus.com>
78 * dwarf2out.c (scope_die_for): If could not find proper scope,
79 check for and handle tagged type with incorrect TYPE_CONTEXT.
81 Wed Apr 29 15:34:40 1998 John Carr <jfc@mit.edu>
83 * calls.c (expand_call): Fix recognition of C++ operator new.
85 * alias.c (mode_alias_check): Disable type based alias detection.
87 Wed Apr 29 15:06:42 1998 Gavin Koch <gavin@cygnus.com>
89 * config/mips/elf.h (ASM_OUTPUT_DEF,ASM_WEAKEN_LABEL,
90 ASM_OUTPUT_WEAK_ALIAS): Define.
91 * config/mips/elf64.h: Same.
92 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
93 ASM_WEAKEN_LABEL): Removed.
95 Wed Apr 29 10:53:29 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
97 * calls.c (expand_call): Bump the length limit on the specially
98 recognized function names to 17.
100 Tue Apr 28 17:53:33 1998 Jim Wilson <wilson@cygnus.com>
102 * ginclude/stddef.h: Add check for _MACHINE_ANSI_H_ for BSD/OS
103 when undefining macros at the end.
105 * expr.c (expand_builtin, case BUILT_IN_MEMSET): Break if either
106 val or len has TREE_SIDE_EFFECTS set.
108 * sparc.md (mulsidi3): Call const v8plus and v8plus routines.
109 (mulsidi3_v8plus, const_mulsidi3_v8plus): Delete asterisk from name.
110 (smuldi3_highpart): Call const v8plus routine.
111 (smulsi3_highpart_v8plus): Renamed from smulsidi3_highpart_v8plus.
112 (const_smulsi3_highpart_v8plus): New pattern.
113 (smulsi3_highpart_sp32): Renamed from smulsidi3_highpart_sp32.
114 (umulsidi3): Call const v8plus routine.
115 (umulsi3_highpart): Handle const before v8plus. Call const v8plus
117 (umulsi3_highpart_v8plus): Renamed from umulsidi3_highpart_v8plus.
118 (umulsi3_highpart_sp32): Renamed from umulsidi3_highpart_sp32.
120 Tue Apr 28 08:55:26 1998 Michael Meissner <meissner@cygnus.com>
122 * m32r.c (*_oper{and|ator}): Change enum arguments and return
123 values to int, so they can be prototyped even in files that don't
125 ({small,large}_insn_p): Ditto.
126 (m32r_select_cc_mode): Ditto.
127 (gen_compare): Ditto.
128 (function_arg_partial_nregs): Ditto.
129 (m32r_setup_incoming_varargs): Ditto.
130 (init_reg_tables): Add prototype.
131 (m32r_frame_info): Add prolog_size field.
132 (m32r_compute_frame_size): Calculate the size of the prologue.
133 (m32r_first_insn_address): Return prologue size.
134 (m32r_output_function_prologue): Calculate frame size before
135 printing out information. Print out the prologue size.
137 * m32r.h: Prototype all functions in m32r.c.
138 (FIRST_INSN_ADDRESS): Declare, returning prologue size.
140 * m32r.md (bcc functions): Cast enum's to int.
142 * m32r.c (conditional_move_operand): Silence a debug message.
143 ({small,long}_insn): New predicates.
145 * m32r.h (TARGET_M32R): New macro.
146 (PREDICATE_CODES): Rearrange somewhat, add small_insn/long_insn.
147 (HAIFA_P): Define as 1/0 depending on whether the Haifa scheduler
149 (ISSUE_RATE): Define as 2.
151 * m32r.md (insn_size): New attribute.
152 ({,rev_}branch_insn): Add .s qualifier to branches believed to be
154 (m32r): New attribute.
156 * configure.in (enable_haifa): Switch m32r to Haifa by default.
157 * configure: Regenerate.
159 (Changes from Nick Clifton <nickc@cygnus.com>)
160 * m32r.h (EXTRA_CONSTRAINT): Implement 'S' constraint to perfoirm
161 the equivalent of a negated 'I' constraint.
162 (PRESERVE_DEATH_INFO_REGNO_P): Define in order to allow peephole
163 optimisation to work.
165 * m32r.md (cmp_ne_small_const_insn): Use 'S' constriant rather
166 than 'I' since the value is negated.
167 (peephole): Add peephole optimisation to cope with optimization of
168 divide and subtracts of the same operands.
170 * m32r.c zero_and_one, emit_cond_move): Add support for MVFC.
174 * m32r.h (PREDICATE_CODES): Add declaration of machine specific
177 Tue Apr 28 07:25:53 1998 Manfred Hollstein <manfred@s-direktnet.de>
179 * Makefile.in (libgcc2.ready): Revert last patch (Apr 24).
181 Mon Apr 27 18:39:47 1998 Nick Clifton <nickc@cygnus.com>
183 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Check against
184 frame_pointer_rtx not FRAME_POINTER_REGNUM.
186 Mon Apr 27 18:36:28 1998 Jim Wilson <wilson@cygnus.com>
188 * reg-stack.c: Revert last patch (Apr 20).
189 (convert_regs): Set insn to PREV_INSN (next) after do while loop.
191 * m68k/lb1sf68.asm (Laddsf$3): Fix typos in mcf5200 exg code.
193 * loop.c (check_dbra_loop): New locals jump, first_compare, and
194 compare_and_branch. Call get_condition to set first_compare.
195 Set compare_and_branch to number of compare/branch instructions.
196 Replace PREV_INSN (PREV_INSN (loop_end)) with first_compare.
197 Replace '2' with compare_and_branch.
199 Mon Apr 27 15:53:30 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
201 * cplus-dem.c (demangle_qualified): Replace missing else.
203 Mon Apr 27 20:22:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
205 * sh.c (gen_ashift_hi): Don't make SUBREG of a SUBREG.
207 Mon Apr 27 18:23:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
209 * sh.c (sh_expand_prologue, sh_expand_epilogue):
210 If TARGET_DOUBLE_ALIGN, preserve 64 bit stack alignment.
211 * sh.h (STACK_BOUNDARY): Likewise.
213 Mon Apr 27 17:22:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
215 * sh.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
217 Mon Apr 27 08:55:23 1998 Michael Meissner <meissner@cygnus.com>
219 * system.h (abort): If abort is not defined, and neither is
220 USE_SYSTEM_ABORT, redefine abort to call fprintf and exit,
221 reporting the line and filename of the error.
223 * .gdbinit: Add breakpoints on exit and fancy_abort.
225 * final.c (split_double): Avoid a compiler warning if
226 BITS_PER_WORD is less than or equal to HOST_BIT_PER_WIDE_INT.
228 * rtl.h (JUMP_{CROSS_JUMP,NOOP_MOVES,AFTER_REGSCAN}): New macros
229 for calling jump_optimize.
231 * toplev.c (rest_of_compilation): Call jump_optimize using JUMP_*
232 macros, rather than 0/1's.
234 Sun Apr 26 23:19:10 1998 Richard Henderson <rth@cygnus.com>
236 * alpha.h (CONST_COSTS): Zero is always free.
237 (RTX_COSTS): Add EV6 costs. Abort if alpha_cpu is unknown.
239 Sun Apr 26 15:38:50 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
241 * cplus-dem.c (gnu_special): Fix off-by-one bug when checking the
242 length in the name of a virtual table.
244 Sun Apr 26 01:21:06 1998 Richard Henderson <rth@cygnus.com>
246 * alpha.c (print_operand): Don't add 'v' suffix for ALPHA_FPTM_N.
248 Sat Apr 25 22:11:38 PDT 1998 Jeff Law (law@cygnus.com)
250 * version.c: Bump for snapshot.
252 Sat Apr 25 17:17:15 1998 Jeffrey A Law (law@cygnus.com)
254 * fold-const.c (fold_convert): Fix typo.
256 Sat Apr 25 17:55:54 1998 John Carr <jfc@mit.edu>
258 * alias.c (alias_invariant): New variable.
259 (record_base_value): New argument INVARIANT.
260 (memrefs_conflict_p): If a register has an entry in the alias_invariant
261 array, try substituting that value for the register.
263 * rtl.h: Declare record_base_value.
265 * loop.c, unroll.c: Update callers of record_base_value.
267 * alias.c (find_base_value, find_base_term): SIGN_EXTEND and
268 ZERO_EXTEND do not affect base values.
270 Fri Apr 24 15:57:02 1998 Jeffrey A Law (law@cygnus.com)
272 * dbxout.c (dbxout_type): Fix typo.
273 (dbxout_range_type): Another HOST_WIDE_INT_PRINT_DEC fix.
275 * configure.in: Use CC_FOR_BUILD, not BUILD_CC.
277 Fri Apr 24 16:11:47 1998 John Carr <jfc@mit.edu>
279 * expr.c (expand_builtin, case MEMSET): Set MEM_IN_STRUCT_P
280 if the argument is the address of a structure or array.
282 * configure.in: Enable Haifa scheduler by default for SPARC.
284 Fri Apr 24 20:55:47 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
286 * cse.c (cse_set_around_loop): Don't do optimization when
287 new pseudos are created.
289 Fri Apr 24 11:00:18 1998 Jeffrey A Law (law@cygnus.com)
291 * dbxout.c (dbxout_type_fields): Use HOST_WIDE_INT_PRINT_DEC
293 (dbxout_type_method_1, dbxout_type): Likewise.
294 (print_int_cst_octal, print_octal, dbxout_symbol): Likewise.
295 (dbxout_type): Fix check for when to print a type range in
298 Fri Apr 24 16:45:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
300 * (gen_shl_and, in case 1): Fix comparison with mask.
302 Fri Apr 24 06:46:40 1998 Nick Clifton <nickc@cygnus.com>
304 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow frame
305 pointer as second register in REG+REG pair.
307 Fri Apr 24 09:22:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
309 * c-common.c (check_format_info): Don't check for the 'x' format
310 character twice, instead check for 'x' and 'X'
312 Fri Apr 24 08:02:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
314 * Makefile.in (libgcc2.ready): Add explicit dependancy from
315 $(STMP_FIXPROTO) to ensure all necessary include files have
316 been created and to guarantee proper parallel builds.
318 Fri Apr 24 04:42:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
320 * sh.c (sh_expand_prologue, in !SH3E code): Don't push an extra
321 register for stdarg functions.
322 * sh.h (current_function_varargs): Declare.
323 (FUNCTION_ARG): Ignore NAMED for stdarg functions.
325 1998-04-23 Jim Wilson <wilson@cygnus.com>
327 * frame.c, libgcc2.c (stdlib.h, unistd.h): Don't include when
328 inhibit_libc is defined.
330 * c-aux-info.c (gen_type): Use DECL_NAME only for TYPE_DECL.
332 Thu Apr 23 19:09:33 1998 Jim Wilson <wilson@cygnus.com>
334 * profile.c (tablejump_entry_p): New function.
335 (branch_prob): Add code to recognize MIPS tablejump entry branch.
336 Use tablejump_entry_p in MIPS and HPPA tablejump checking code.
338 Thu Apr 23 15:01:13 1998 Nick Clifton <nickc@cygnus.com>
340 * config/arm/arm.c (find_barrier): Return as soon as a barrier is
341 found, rather than at end of the loop, after the insn has been
344 Thu Apr 23 20:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
346 * sh.c (gen_ashift_hi): Implement right shifts via gen_ashift.
347 * sh.md (ashrhi3_k, lshrhi3_k, lshrhi3_m, lshrhi3, lshrhi3+1): Delete.
349 Wed Apr 22 17:07:35 1998 Michael Meissner <meissner@cygnus.com>
351 * loop.c (note_addr_stored): Correct function to take 2 arguments,
354 * rtl.def (MATCH_INSN2): Add new matching pattern.
355 * genrecog.c (add_to_sequence): Support MATCH_INSN2.
357 Wed Apr 22 15:52:22 1998 John Carr <jfc@mit.edu>
359 * emit-rtl.c (gen_highpart): The high part of a CONST_INT is not zero
360 if HOST_BITS_PER_WIDE_INT is larger than BITS_PER_WORD.
362 * final.c (split_double): Sign extend both halves of a split CONST_INT.
364 Wed Apr 22 10:42:45 1998 Jeffrey A Law (law@cygnus.com)
366 * mips.c (compute_frame_size): Change only argument to a HOST_WIDE_INT.
368 Wed Apr 22 10:53:49 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
370 * cplus-dem.c (struct work stuff): Add field for B and K mangle codes.
371 (cplus_demangle_opname): Call mop_up_squangle.
372 (cplus_demangle): Initialize squangle info, then call
373 internal_cplus_demangle. (Most code moved there as well)
374 (internal_cplus_demangle): New function, performs most of what use
375 to be done in cplus_demangle, but is only called with this file.
376 (squangle_mop_up): New function to clean up B and K code data.
377 (mop_up): set pointers to NULL after freeing.
378 (demangle_signature, demangle_template, demangle_class): Add
379 switch elements to handle K and B codes.
380 (demangle_prefix, gnu_special, demangle_qualified): Add
381 code to handle K and B codes.
382 (do_type, demangle_fund_type): Handle B and K codes.
383 (remember_Ktype): New function to store K info.
384 (register_Btype, remember_Btype): New functions for B codes.
385 (forget_B_and_K_types): New function to destroy B and K info.
387 1998-04-21 Jim Wilson <wilson@cygnus.com>
389 * stmt.c (check_seenlabel): When search for line number note for
390 warning, handle case where there is no such note.
392 Tue Apr 21 20:48:37 1998 John Carr <jfc@mit.edu>
394 * genemit.c (gen_exp): Allow machine description to set mode of
397 Tue Apr 21 16:36:01 1998 John Carr <jfc@mit.edu>
399 * alias.c (mode_alias_check): New function.
400 (true_dependence, anti_dependence, output_dependence): Call
403 Tue Apr 21 12:05:32 1998 Jeffrey A Law (law@cygnus.com)
405 * mips.h (STACK_BOUNDARY): Allow specific targets to override.
406 (MIPS_STACK_ALIGN): Similarly.
408 * c-common.c (type_for_mode): Handle TI types.
409 * c-decl.c (intTI_type_node, unsigned_int_TI_type_node): Define.
410 (init_decl_processing): Handle TI types.
411 * c-tree.h (intTI_type_node, unsigned_int_TI_type_node): Declare.
413 * mips.c (block_move_loop): Test Pmode == DImode instead of
415 (expand_block_move, save_restore_insns): Likewise.
416 (function_prologue, mips_expand_prologue): Likewise.
417 (mips_expand_epilogue): Likewise.
418 * mips.h (POINTER_SIZE): Allow specific targets to override.
419 (Pmode): Allow specific targets to override.
420 (FUNCTION_PROFILER): Test Pmode == DImode instead of TARGET_MIPS64
421 (POINTER_BOUNDARY, FUNCTION_MODE): Likewise.
422 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
423 (TRAMPOLINE_ALIGNMENT, INITIALIZE_TRAMPOLINE): Likewise.
424 (CASE_VECTOR_MODE, ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
425 (ASM_OUTPUT_ADDR_DIFF_ELT, SIZE_TYPE, PTRDIFF_TYPE): Likewise.
426 * mips.md (indirect, tablejump & casesi support): Test for
427 Pmode == DImode instead of TARGET_MIPS64.
428 (call patterns): Likewise.
430 Tue Apr 21 09:43:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
432 * objc/sendmsg.c: Define gen_rtx_MEM() to 1, as is already done
433 for gen_rtx(MEM, ...).
435 Tue Apr 21 02:15:36 1998 Richard Henderson <rth@cygnus.com>
437 * sparc.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Rewrite
438 to not be so gross, and to properly function with PIC.
440 Mon Apr 20 20:44:25 1998 Jim Wilson <wilson@cygnus.com>
442 * frame.c (heapsort): Rename to frame_heapsort.
444 * gcc.c (do_spec_1, case '['): Move flag out of loop and initialize it.
446 Mon Apr 20 12:43:09 1998 Doug Evans <devans@canuck.cygnus.com>
448 * flow.c (sbitmap_vector_alloc): Ensure sbitmaps properly aligned.
450 Mon Apr 20 15:04:14 1998 John Wehle (john@feith.com)
452 * i386.md (movsf_push, movdf_push, movxf_push): Allow memory
453 operands during and after reload.
455 Mon Apr 20 22:37:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
457 * final.c (shorten_branches, init_insn_lengths): Move code
458 to free label_align, uid_shuid, insn_lengths, insn_addresses
459 and uid_align from the former function into the latter one;
460 Add code to clear these variables.
461 * sh.h (label_align): Remove declaration.
463 Mon Apr 20 14:48:29 1998 Michael Meissner <meissner@cygnus.com>
465 * gcc.c (lang_specific_driver): Declare prototype properly so
466 fatal can be passed to it without error.
468 * configure.in (AC_CHECK_FUNCS): Check for strchr and strrchr.
469 * configure: Regenerate.
470 * config.in: Add #undef's for strchr and strrchr.
472 * protoize.c (toplevel): If we have rindex, but not strrchr, map
474 (file_could_be_converted): Use strrchr, not rindex since rindex is
475 not defined on Linux systems when _POSIX_SOURCE is defined.
476 (file_normally_convertible): Ditto.
477 (process_aux_info_file): Ditto.
480 * rs6000.md (mov{sf,df} define_splits): When splitting a move of
481 a constant to an integer register, don't split the insns that do
482 the simple AND and OR operations, rather just split each word, and
483 let the normal movsi define split handle it further.
485 Mon Apr 20 18:19:40 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
487 * sh.c (find_barrier): Fix bug in ADDR_DIFF_VEC handling.
488 (split_branches): Call init_insn_lengths.
490 Mon Apr 20 07:37:49 1998 Michael Meissner <meissner@cygnus.com>
492 * i386.c: Include expr.h to get the change_address prototype
495 Mon Apr 20 01:00:05 1998 H.J. Lu (hjl@gnu.org)
497 * reg-stack.c (subst_asm_stack_regs): Change to return the last
498 new insn generated by this function.
499 (subst_stack_regs): Likewise.
500 (convert_regs): Record the last newly generated insn and use
501 it for change_stack () instead of INSN.
503 Sun Apr 19 15:41:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
505 * fix-header.c (enum special_file): Undefine enumerators if they
506 are already defined by include files.
507 * fixproto (rel_source_file in unistd.h stdlib.h): Prefix file protection
508 macro with '__' to not pollute user namespace.
510 Sun Apr 19 02:42:06 1998 Richard Henderson <rth@cygnus.com>
512 * haifa-sched.c (queue_to_ready): Fix typo in prototype.
514 Sat Apr 18 23:52:35 PDT 1998 Jeff Law (law@cygnus.com)
516 * version.c: Bump for snapshot.
518 Sat Apr 18 18:30:22 1998 Jim Wilson <wilson@cygnus.com>
520 * i386.md (fix_truncsfdi2+[123]): Add + to operand 1 constraints.
522 * i386.h (CPP_CPU_DEFAULT): Renamed to CPP_CPU_DEFAULT_SPEC.
523 Add missing -Dpentium* options.
524 (CPP_CPU_SPEC): Delete redundant definition. Include cpp_cpu_default
525 instead of CPP_CPU_DEFAULT.
526 (EXTRA_SPECS): Add entry for cpp_cpu_default.
528 Sat Apr 18 19:06:59 1998 David Edelsohn <edelsohn@mhpcc.edu>
530 * rs6000.md (floatsidf2_loadaddr): rs6000_fpmem_offset will be
531 negative in a stackless frame.
532 * rs6000.c (rs6000_stack_info): Don't include fixed-size link area
533 in stackless frame size. Support 64-bit stackless frame size.
534 Combine fpmem offset calculations and don't add total_size to
535 offset if not pushing a stack frame.
537 Sat Apr 18 15:41:16 1998 Jim Wilson <wilson@cygnus.com>
539 * regmove.c (fixup_match_1): In three places, in flag_exceptions
540 check, change p to q.
542 Sat Apr 18 15:30:49 1998 Jim Wilson <wilson@cygnus.com>
544 * gcc.c (lang_specific_driver): Add new parm type to prototype.
545 (added_libraries): New file scope static variable.
546 (process_command): Initialize added_libraries. Pass it to
547 lang_specific_driver.
548 (main): Use added_libraries in check for no input files.
550 Sat Apr 18 01:23:11 1998 John Carr <jfc@mit.edu>
552 * sparc.c, sparc.h, sparc.md, sol2.h: Many changes related to V9
553 code generation. Use 64 bit instructions in 32 bit mode when
554 possible. Use V9 return instruction. UltraSPARC optimizations.
556 * sparc.h: Change gen_rtx (CODE to gen_rtx_CODE (.
558 Fri Apr 17 22:38:17 1998 Jeffrey A Law (law@cygnus.com)
560 * global.c (global_alloc): Don't pass HARD_CONST (0) to find_reg,
561 just pass zero. That will work regardless of the size of HARD_REG_SET.
563 * libgcc2.c (__floatdisf): Fix a couple typos.
565 Fri Apr 17 17:28:26 1998 Jim Wilson <wilson@cygnus.com>
567 * Makefile.in (mostlyclean): Delete *.mach and *.bp files.
569 Fri Apr 17 16:35:35 1998 Greg McGary <gkm@gnu.org>
571 * emit-rtl.c (gen_highpart): initialize `word' properly for pseudo.
573 Fri Apr 17 14:30:37 1998 John Carr <jfc@mit.edu>
575 * emit-rtl.c (operand_subword_force): If a register can not be
576 accessed by words, copy it to a pseudo register.
578 Fri Apr 17 14:30:37 1998 Jim Wilson <wilson@cygnus.com>
580 * rs6000/vxppc.h (CPP_SPEC): Add support for mrelocatable*.
582 Fri Apr 17 17:01:25 1998 Michael Meissner <meissner@cygnus.com>
584 * tree.h (mark_seen_cases): Delete declaration.
586 Fri Apr 17 13:32:20 1998 Jeffrey A Law (law@cygnus.com)
588 * stmt.c (mark_seen_cases): Make static and add prototype.
590 Fri Apr 17 11:21:43 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
592 * frame.c: Include stdlib.h and unistd.h to possibly get various
593 function prototypes. The fixproto script guarantees these header
594 files exist on the target system.
595 * libgcc2.c: Likewise.
597 * gthr-single.h (__gthread_mutex_lock, __gthread_mutex_trylock,
598 __gthread_mutex_unlock): Add __attribute__ ((__unused__)) to the
600 * libgcc2.c (__udiv_w_sdiv): Likewise.
602 Thu Apr 16 22:41:02 1998 Jeffrey A Law (law@cygnus.com)
604 * varasm.c (asm_output_bss): Add prototype.
605 (asm_output_aligned_bss): Likewise.
607 * unroll.c (verify_addresses): Add prototype.
609 * toplev.c: Add many prototypes. Too many to mention here.
611 * stmt.c (check_seenlabel): Add prototype.
613 * rtlanal.c (reg_set_p_1): Add prototype.
614 (reg_set_last_1): Likewise.
616 * reorg.c (find_dead_or_set_registers): Add prototype.
618 * regmove (try_auto_increment): Add prototype.
620 * reg-stack.c (pop_stack): Add prototype.
622 * recog.c (validate_replace_rtx_1): Add prototype.
623 (find_cosntant_term_loc): Likewise.
625 * loop.c (regs_patch_p): Add prototype.
626 (add_label_notes, count_nonfixed_reads): Likewise.
627 (find_single_use_in_loop): Likewise.
628 (express_from): Surround prototype with #ifdef.
629 (giv_sort): Similarly.
631 * jump.c (mark_modified_reg): Add prototype.
633 * haifa-sched.c (is_prisky): Add prototype.
634 (queue_to_ready): Likewise.
636 * genextract.c (gen_insn): Add prototype.
638 * genemit.c (max_operand_1): Add prototype.
639 (max_operand_vec, print_code, gen_exp, gen_insn): Likewise.
640 (gen_expand, gen_explit, output_add_clobbers): Likewise.
641 (output_init_mov_optab): Likewise.
643 * genattrtab.c (attr_hash_add_rtx): Add prototype.
644 (attr_hash_add_string, write_length_unit_log): Likewise.
646 * genattr.c (init_range): Add prototype.
648 * combine.c (sets_function_arg_p): Add prototype.
650 * expr.c (store_constructor_field): Add prototype.
651 (get_memory_usage_from_modifier): Likewise
653 * expmed.c (synth_mult): Add prototype.
654 (choose_multiplier, invert_mod2n): Likewise.
656 * except.c (push_eh_entry): Add prototype.
657 (pop_eh_entry, enqueue_eh_entry, dequeu_eh_entry): Likewise.
658 (call_get_eh_context, start_dynamic_cleanup): Likewise.
659 (start_dynamic_handler, can_throw): Likewise.
660 (output_exception_table_entry, scan_region): Likewise.
661 (eh_regs, set_insn_eh_region): Likewise.
663 * dwarfout.c (decl_class_context): Add prototype.
664 (output_inheritance_die, type_ok_for_scope): Likewise.
666 * c-lex.c (skip_white_space_on_line): Add prototype.
668 * alias.c (record_set): Add prototype.
669 (find_base_term, base_alias_check): Likewise.
671 * function.c (assign_outer_stack_local): Make static and add prototype.
673 * haifa-sched.c (build_control_flow): Accept raw data as inputs
674 instead of computing it locally. Callers changed.
675 (find_rgns): Several new arguments. Callers changed.
676 Generally clean up and comment better. Use dominators to
677 identify reducible loops. Convert some flag arrays to bitmaps.
678 Convert most of the code to work on pred/succ lists instead of
679 an edge table. Add comments for future improvements.
680 (schedule_insns): Allocate temporary tables for flow data, call
681 routines to compute flow data and pass it along to children as
683 (debug_control_flow): Delete. Use dump_bb_data instead.
685 * basic-block.h (compute_dominators): Declare.
687 * flow.c (dump_sbitmap, dump_sbitmap_vector): New debugging
689 * basic-block.h: Declare them.
691 Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
693 * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
696 Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
698 * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
699 Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated
700 node is non NULL. Cache last file name and file name identifier node.
702 1998-04-15 Mark Mitchell <mmitchell@usa.net>
704 * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get
705 the length of an array, not TREE_TYPE.
707 Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com)
709 * flow.c (sbitmap_union_of_successors): New function.
710 * basic-block.h (sbitmap_union_of_successors): Declare it.
712 Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com>
714 * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop.
715 Set gnu_ld to gnu_ld_flag inside main loop.
718 Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com>
720 * toplev.c (compile_file): Call init_parse using new interface.
721 (init_lex): Remove declaration.
723 * c-lex.c (init_parse): Now returns char* containing filename.
725 Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com)
727 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing.
729 Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com>
731 * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o.
732 (gen{extract,peep,opinit,output}): Ditto.
734 * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a
735 global definition so print-rtl.o can be linked in.
736 * gen{peep,recog}.c (insn_attr_name): Ditto.
738 Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com>
740 * fixincludes: discard empty C++ comments, as found in sys/time.h
743 Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
745 * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant
748 Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com)
750 * emit-rtl.c (operand_subword): Rework slightly to avoid
751 bogus warning from previous change.
753 Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com>
755 * alpha.md: Revert Oct 27 change, as it is superceeded by Kenner's
756 Nov 8 find_replacement change. Move decls of get_unaligned_address
759 Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu>
761 * function.c (assign_parms): Initialize unsignedp before passing
762 its pointer to promote_mode.
764 * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND.
765 (write_test_expr): Allow MATCH_INSN.
767 Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com>
769 * install.texi: Update section on warnings that can be safely ignored.
771 Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com>
773 * mips.md (reload_outdi): Change the scratch mode from DImode to
774 TImode. New variable scratch, used instead of operand[2] in template.
775 Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P.
777 Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com>
779 * expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
781 Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se>
783 * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.
785 Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com)
787 * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
788 (ASM_FINISH_DECLARE_OBJECT): Likewise.
790 * Idea and part of the patch from HJ.
791 * Makefile.in: auto-host.h renamed from auto-config.h. All references
793 (distclean): Remove auto-build.h too.
794 * configure.in: Rename host autoconf generated file to auto-host.h.
795 If host != build, then run autoconf to generate auto-build.h for
796 the build machine and include it in build_xm_files.
797 Check for wait.h and sys/wait.h.
799 * combine.c (simplify_rtx, case TRUNCATE): Respect value of
800 TRULY_NOOP_TRUNCATION.
802 Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com>
804 * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop.
806 Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com>
808 * invoke.texi (ld options) Include memset requirements
809 for options -nodstdlib and -nodefaultlibs.
811 1998-04-12 Paul Eggert <eggert@twinsun.com>
813 This change is from an idea suggested by Arthur David Olson.
815 * c-common.c (decl_attributes, record_function_format,
816 check_format_info, init_function_format_info):
817 Add support for strftime format checking.
818 (enum format_type): New type.
819 (record_function_format): Now static, and takes value of type
820 enum format_type instead of int.
821 (time_char_table): New constant.
822 (struct function_format_info): format_type member renamed from is_scan.
823 (check_format_info): Use `warning' rather than sprintf followed by
824 `warning', to avoid mishandling `%' in warnings.
825 Change `pedwarn' to `warning', since these warnings do not necessarily
826 mean the program does not conform to the C Standard, as the code
827 need not be executed.
829 * c-tree.h (record_function_format): Remove decl; no longer extern.
831 * extend.texi: Add documentation for strftime format checking.
833 Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com)
835 * mips/ecoffl.h: Do not include mips.h.
836 * mips/elf.h: Likewise.
838 * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files.
839 * mips/ecoff.h: Include "mips/mips.h".
841 Sat Apr 11 22:42:54 PDT 1998 Jeff Law (law@cygnus.com)
843 * version.c: Bump for snapshot.
845 Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com)
847 * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.
848 (delete_trivially_dead_insns): Renamed from delete_dead_from_cse.
849 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns
850 between loop optimization passes.
851 * rtl.h: Updated appropriately.
853 Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com)
855 Reinstall this patch from Jason.
856 * function.c (push_function_context_to): Don't call init_emit.
858 Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com>
860 * rtl.c (read_skip_spaces): Prevent infinite loops upon
861 encountering unterminated comments.
863 Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com)
865 * emit-rtl.c (operand_subword): Properly handle CONST_INTs for
868 * configure.in: Handle --with-fast-fixincludes.
869 (fixincludes): If --with-fast-fixincludes, then use a different
870 fixincludes program by default.
871 * Makefile.in (fixinc.sh): New rule.
873 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
875 * i386.md (movqi+1): Handle invalid QI register.
876 (movsf_push-1): Likewise.
878 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
880 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
882 symbolic_memort_operand(), call32_operand(), int8_operand(),
883 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
885 uint16_operand(): Made static.
887 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
889 * calls.c (expand_call): Fix typo.
891 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
893 * c-lex.c (finput): New global.
894 (init_parse): Always included. Handle !USE_CPPLIB using
895 code originally in compile_file.
896 (finish_parse): Update for CPPLIB.
897 * toplev.c (init_parse, finish_parse): Declare.
898 (finput): Delete variable. Now in front-ends.
899 (compile_file): Remove code which is now handled by init_parse
900 which is unconditionally called. Similarly for finish_parse.
902 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
904 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
905 ASM_WEAKEN_LABEL): Add.
907 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
909 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
910 * configure.in (alpha-*-linux*): Use them.
912 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
914 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
915 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
916 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
917 (build_expr_wfl): New prototype declaration.
918 * tree.c (build_expr_wfl): New function, to build
919 EXPR_WITH_FILE_LOCATION nodes.
920 (copy_node): Don't zero TREE_CHAIN if copying a
921 EXPR_WITH_FILE_LOCATION node.
922 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
923 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
925 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
927 * configure.in (v850): Use t-v850.
928 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
930 * protoize.c (creat, read, write): Do not declare.
932 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
933 refer to the CODE_LABEL before a dispatch table.
935 * invoke.texi: Add ARC options.
937 * gcc.c (proces_command): Improve error message for -o with
940 * i386/x-cygwin32 (CLIB): Link in advapi32.
942 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
943 (ASM_IDENTIFY_LANGUAGE): Likewise.
945 * i386.md (movqi recognizer): Don't perfom byte increment into
948 * configure.in (x86-dg-dgux): Run fixinc.dgux.
950 * i370.h: Fix typo in GEN_INT changes.
952 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
953 of an empty arglist in prototype.
955 * Makefile.in: Remove bytecode crud that crept back in after the
958 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
960 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
961 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
963 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
965 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
967 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
969 * c-lex.c (is_class_name): Delete declaration.
970 (whitespace_cr): Make static and add prototype.
971 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
972 yylex, get_directive_line): Turn declarations into prototypes.
973 (position_after_whitespace, check_newline, yyerror,, is_class_name,
974 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
976 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
978 * gencodes.c (gen_insn): Add prototype.
979 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
980 gen_peephole): Add prototypes.
981 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
983 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
984 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
985 genheader, gencode): Add prototypes.
986 * genopinit.c (gen_insn): Add prototype.
987 * genoutput.c (output_prologue, output_epilogue, scan_operands,
988 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
989 gen_expand, gen_split, n_occurrences): Add prototypes.
990 * genpeep.c (gen_peephole): Add prototype.
991 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
992 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
993 labels_in_range_p, count_loop_regs_set, note_addr_stored,
994 loop_reg_used_before_p, scan_loop, replace_call_address,
995 skip_consec_insns, libcall_benefit, ignore_some_movables,
996 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
997 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
998 check_final_value, record_giv, update_giv_derive, basic_induction_var,
999 simplify_giv_expr, general_induction_var, consec_sets_giv,
1000 check_dbra_loop, express_from, combine_givs_p, combine_givs,
1001 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
1002 last_use_this_basic_block, record_initial, update_reg_last_use,
1003 iteration_info, analyze_loop_iterations, insert_bct,
1004 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
1007 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
1009 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1011 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
1013 * config/mips/mips.c (siginfo): Deleted.
1014 (override_options): Don't install SIGINFO signal handler.
1016 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
1018 * loop.c (check_dbra_loop): When normalize comparison_val, add check
1019 to verify it is non-negative.
1021 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
1023 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
1024 (alpha_expand_block_clear): Likewise.
1026 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
1028 * tree.h (sizetype_tab): Fix previous change for K&R.
1030 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
1032 * version.c: Bump for snapshot.
1034 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
1036 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
1037 Add USG and POSIX to xm_defines.
1039 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
1041 * gcc.c: Add linker spec.
1042 (link_command_spec): Use %(linker) instead of ld.
1043 (main): If collect2 is requested as the linker, see if it exists;
1044 if not, use ld instead.
1046 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
1048 (install-collect2): Install as collect2, not ld.
1050 * configure.in(will_use_collect2): It's named collect2 now.
1052 * collect2: Remove checks to see if we were invoked recursively.
1053 (collect_execute): Use _spawnvp under cygwin32.
1055 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
1057 * haifa-sched.c (build_control_flow): Set unreachable for block whose
1058 only predecessor is itself.
1060 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1062 * c-parse.in: Include system.h, and remove stuff now made redundant.
1065 * protoize.c: Likewise. Properly check for cpp stringification.
1067 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
1070 * objc/Make-lang.in (objc-parse.o): Likewise.
1072 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1074 * gansidecl.h: Check if compiler supports __attribute__. Provide
1075 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
1076 __attribute__ when its available. Also provide definitions for
1077 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
1078 terms of ATTRIBUTE_PRINTF.
1080 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
1083 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
1085 * combine.c (can_combine_p): Include successor in volatile test.
1087 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1089 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
1092 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
1094 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
1095 in prototype and definition.
1097 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
1099 * version.c: Bump for snapshot.
1101 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
1103 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
1104 alpha_expand_unaligned_store_words.
1106 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
1108 * i386.md (movsf_push, movsf_mem): Remove.
1109 (movsf_push): Rename from movsf_push_nomove and move in front of
1110 movsf. Use nonmemory_operand predicate and don't bother checking
1112 (movsf_push_memory): New pattern.
1113 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
1114 both operands refer to memory then force operand[1] into a register.
1115 (movsf_normal): Change to unnamed pattern.
1116 Likewise for movdf, movxf, and friends.
1118 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
1120 * version.c: Bump for snapshot.
1122 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
1124 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
1126 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
1128 * configure.in (mips-wrs-vxworks): New target.
1130 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
1132 * expmed.c (synth_mult): The value -1, has no zeros, so it can
1133 never have the form ...011.
1135 * version.c: Bump for snapshot.
1137 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
1139 * i386.c (asm_output_function_prefix, load_pic_register):
1140 Use ASM_GENERATE_INTERNAL_LABEL properly.
1141 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
1142 (print_operand): Ignore it.
1143 (load_pic_register): Use it for the got load call.
1144 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
1145 (prologue_get_pc_and_set_got): Likewise.
1146 * i386.h: Update print_operand docs.
1148 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
1150 * i386.md (ffssi, ffshi): Rewrite as define_expands.
1151 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
1152 * i386.c (notice_update_cc): Recognize unspec 5.
1154 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
1156 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
1157 * alpha.c (print_operand): Handle it.
1158 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
1160 (fix_truncdfdi2): Likewise.
1162 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
1164 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
1165 of these into a single struct, with additional [us]sizetype entries.
1166 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
1167 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
1170 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
1172 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
1174 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
1176 * haifa-sched.c (split_block_insns): Don't supress insn splitting
1177 on subsequent passes.
1179 * alpha.c (hard_fp_register_operand): New function.
1180 * alpha.h (PREDICATE_CODES): Add it.
1181 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
1182 f<-m case and accompanying define_split.
1183 (trapb): Use a unique unspec_volatile number.
1185 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
1187 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
1190 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
1192 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
1195 * haifa-sched.c: Mirror recent changes from gcc2.
1197 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
1199 * Makefile.in (insn*.o): Depend on system.h.
1201 * pa.c (output_global_address): Initialize base.
1202 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
1204 1998-04-03 Mike Stump <mrs@wrs.com>
1206 * gthr.h: Support systems that don't have weak, but have threads.
1207 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
1208 * gthr-vxworks.h: New file.
1209 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
1211 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
1213 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
1215 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
1217 * ginclude/va-i960.h (va_end): Change void * to void.
1219 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1221 * Makefile.in (choose-temp.o): Depend on system.h.
1223 * choose-temp.c: Include system.h when IN_GCC.
1225 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
1226 Richard Henderson <rth@cygnus.com>
1228 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
1229 (move_replacements): New function.
1230 * reload.h: Prototype it.
1232 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
1234 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
1236 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
1239 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
1240 (gen_highpart): Likewise.
1241 * final.c (alter_subreg): Allow the target to hook by-mode subreg
1242 hard register number changes.
1244 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
1246 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
1247 rnbitsize, rnmode and rinner.
1248 (make_range): Initialize type.
1249 (fold): Initialize arg0, arg1 and varop.
1251 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
1253 (expand_function_start): Initialize last_ptr.
1255 * stor-layout.c (layout_record): Initialize desired_align.
1256 (get_best_mode): Initialize unit.
1258 * tree.c (copy_node): Initialize length.
1260 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
1262 * caller-save.c (insert_save_restore): Initialize pat, code and
1265 * emit-rtl.c (push_to_sequence): Initialize top.
1266 (push_topmost_sequence): Likewise.
1268 * genattrtab.c (simplify_by_exploding): Initialize defval.
1270 * profile.c (branch_prob): Initialize dest.
1272 * rtl.h (note_stores): Remove duplicate prototype.
1273 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
1275 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
1276 strings that are not actually lengths.
1278 * genattrtab.c: Make generated file use system.h, instead of
1279 including stdio.h, etc directly.
1280 * genextract.c, genopinit.c, genoutput.c: Likewise.
1281 * genpeep.c, genrecog.c: Likewise
1283 * genoutput.c (process_template): Mark operands in the generated
1284 function as potentially unused if compiling with GNU CC.
1286 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
1288 * pa.md (reload peepholes): Remove unused variable "mode".
1290 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
1292 * config/arm/thumb.h: Add super interworking support.
1293 * config/arm/thumb.c: Add super interworking support.
1294 * config/arm/thumb.md: Add super interworking support.
1295 * config/arm/lib1funcs.asm: Add interworking support.
1296 * config/arm/lib1thumb.asm: Add super interworking support.
1297 * config/arm/t-semi: Add interworking support.
1298 * config/arm/t-thumb: Add interworking support.
1299 * config/arm/README-interworking: New file.
1301 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
1303 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
1304 (MD_STARTFILE_PREFIX): Unset.
1306 1998-04-01 Mark Mitchell <mmitchell@usa.net>
1308 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
1309 entity in a local scope.
1311 * fold-const.c (fold): Call truthvalue_conversion for values which
1312 are folded to boolean type.
1314 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
1316 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
1317 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
1318 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
1319 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
1320 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
1321 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
1322 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
1323 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
1324 * md.texi: Likewise.
1326 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
1328 * fixincludes (limits.h): Fix nested comments in Motorola's
1329 limits.h and sys/limits.h.
1331 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
1333 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
1334 as dest of expand_binop call.
1336 * alpha.md (extzv): Correct check for valid operand[2] values.
1338 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
1341 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
1343 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
1345 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
1346 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
1348 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
1349 cygwin32 can override this to allow both unix and win32 style PATHs.
1351 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
1352 style environment paths.
1354 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1356 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
1357 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
1358 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
1361 * cpphash.c: Include config.h.
1362 * cppalloc.c: Include system.h. Add parameters to various
1363 function prototypes.
1364 * cpperror.c: Likewise.
1365 * cppexp.c: Likewise.
1366 * cpphash.c: Likewise.
1367 * cpplib.c: Likewise.
1368 * cppmain.c: Likewise.
1369 * fix-header.c: Likewise.
1371 * gen-protos.c: Likewise.
1372 * gengenrtl.c: Likewise.
1373 * halfpic.c: Likewise.
1375 * scan-decls.c: Likewise.
1378 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
1380 * README.gnat: Add lang_print_xnode definition.
1382 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1384 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
1385 fmovecr on the 68060.
1387 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
1389 * genemit.c (DONE): Rework so that it works in the true arm if
1390 an if-else conditional.
1393 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
1395 * rs6000.c: Do not include stdioh or ctype.h anymore.
1397 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
1399 (stor-layout.o): Likewise.
1400 * c-typeck.c: Include rtl.h and expr.h.
1401 * stor-layout.c: Likewise.
1403 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
1404 All callers changed.
1405 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
1406 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
1407 All callers changed.
1409 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
1411 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
1413 * tree.h (lang_print_xnode): Provide prototype.
1415 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
1417 * version.c: Bump for snapshot.
1419 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
1421 * objc/sendmsg.c (__objc_block_forward): Add braces for return
1422 value if INVISIBLE_STRUCT_RETURN.
1424 * pa.c (arith_double_operand): Fix parens.
1426 * haifa-sched.c (print_pattern): Correct arg to sprintf.
1428 * Makefile.in (libgcc1.null): Make return type for __foo void.
1430 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
1432 * pa.h: Add declarations for many functions defined in pa.c.
1434 * genpeep.c (main): Remove unused variable 'i' from the generated
1437 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
1438 (gen_split): Likewise.
1439 (main): Rework generated definitions of DONE and FAIL so that they
1440 no longer use gotos. Avoids warnings about unused labels.
1442 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
1443 unused "junk" variable.
1445 * genattrtab.c (write_complex_function): Add a default case in
1446 generated switch statement to keep -W -Wall quiet.
1448 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
1450 * invoke.texi: Document more ARM and Thumb command line options.
1452 * config/arm/xm-thumb.h: New file.
1454 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
1456 * stmt.c (expand_expr_stmt): Must generate code for
1457 statements within an expression (gcc's `({ ... )}')
1458 even if -fsyntax-only.
1460 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1461 Jeffrey A Law (law@cygnus.com)
1463 * basic-block.h (basic_block_computed_jump_target): Declare.
1464 * flags.h: (current_function_has_computed_jump): Declare.
1465 * flow.c: (basic_block_computed_jump_target): Define.
1466 (flow_analysis): Allocate it. Set current_function_has_computed_jump
1468 (find_basic_blocks): Set current_function_has_computed_jump and
1469 elements of basic_block_computed_jump_target to 1 as appropriate.
1470 * function.c: (current_function_has_computed_jump): Define.
1471 * global.c (global_conflicts): Don't allocate pseudos into stack regs
1472 at the start of a block that is reachable by a computed jump.
1473 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
1475 (subst_stack_regs): Undo change from Sep 4 1997.
1476 (uses_reg_or_mem): Now unused, deleted.
1477 * stupid.c (stupid_life_analysis): Compute
1478 current_function_has_computed_jump.
1479 (stupid_find_reg): Don't allocate stack regs if the function has a
1481 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
1482 the current function has a computed jump. Use the global value
1485 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
1487 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
1488 (DWARF2_UNWIND_INFO): Define to zero.
1490 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
1492 * gcc.c (set_std_prefix): Add declaration.
1493 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
1494 suffix, and update the standard prefix prefix.c uses.
1496 * prefix.c (std_prefix): New global to hold default prefix value.
1497 (get_key_value): Change to use std_prefix instead of PREFIX.
1498 (translate_name): Ditto.
1499 (update_path): Ditto.
1500 (get_key_value): Release allocated scratch storage.
1501 (set_std_prefix): New function to reset the standard prefix.
1503 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1505 * sh.c (find_barrier): Fix calculations for alignment increase.
1507 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
1509 * Makefile.in (stmp-fixinc): If we're actually fixing include
1510 files, copy gcc's assert.h into the fixed include dir.
1511 * fixincludes (assert.h): Avoid any attempts to fix a probably
1512 broken system specific assert.h file.
1513 * fixproto (stdlib.h): Make sure, it'll contain a definition of
1516 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
1518 * regclass.c (reg_scan_mark_refs): Be more selective about
1519 when we mark a register with REGNO_POINTER_FLAG.
1521 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1523 reload inheritance improvement:
1524 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
1525 Change meaning: index is now hard reg number.
1526 (reg_reloaded_valid, reg_reloaded_dead): New variables.
1527 (reload_spill_index): Content is now a hard reg number.
1528 (reload_as_needed): Change to fit new variable meaning.
1529 (forget_old_reloads_1, allocate_reload_reg): Likewise.
1530 (choose_reload_regs, emit_reload_insns): Likewise.
1532 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1534 * regclass.c (record_reg_classes): '?' increases cost by two.
1536 * reload.c (find_reloads): Double previous costs. Output
1537 reloads cost one unit extra.
1539 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
1540 boiled down to && ! 0.
1542 * reload.c (find_equiv_reg): Also consider a goal offset from the
1543 frame pointer to be constant.
1545 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1547 * sh.h (OPTIMIZATION_OPTIONS): Define.
1549 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
1551 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
1553 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
1555 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
1557 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
1559 * c-common.c (check_format_info): Initialize type, is_type. New local
1560 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
1561 when pedantic if used with integral format specifier.
1563 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
1565 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
1567 (function_arg_padding): Declare.
1569 * rs6000.c: Include system.h.
1570 (function_arg_padding): Change return type to int, cast enum's to
1573 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
1574 * collect2.c (scan_prog_file): Add explicit braces to avoid
1577 * dbxout.c (dbxout_type_fields): Add braces around empty body in
1579 (dbxout_type): Likewise.
1581 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
1582 `ptt_size' from int to size_t.
1583 (rs6000_file_start): Likewise for `i'.
1584 (rs6000_replace_regno): Add default case in enumeration switch.
1585 (output_epilog): Remove unused variable `i'.
1586 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
1589 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
1591 (get_issue_rate, non_logical_cint_operand): Add prototype.
1592 (rs6000_output_load_toc_table): Ditto.
1594 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
1597 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
1599 * config/arm/thumb.c: New File. Support for ARM's Thumb
1601 * config/arm/thumb.h: New File. Thumb definitions.
1602 * config/arm/thumb.md: New File. Thumb machine description.
1603 * config/arm/tcoff.h: New File. Thumb COFF support.
1604 * config/arm/t-thumb: New File. Thumb makefile fragment.
1605 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
1607 * configure.in: Add Thumb-coff target.
1608 * configure: Add Thumb-coff target.
1609 * config.sub: Add Thumb-coff target.
1611 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
1613 * loop.c (scan_loop): Initialize move_insn_first to zero.
1615 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
1617 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
1618 * config/i386/rtems.h: Likewise.
1619 * config/i960/rtems.h: Likewise.
1620 * config/m68k/rtems.h: Likewise.
1621 * config/mips/rtems64.h: Likewise.
1622 * config/pa/rtems.h: Likewise.
1623 * config/rs6000/rtems.h: Likewise.
1624 * config/sh/rtems.h: Likewise.
1625 * config/sparc/rtems.h: Likewise.
1627 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1629 * pa.c (emit_move_sequence): If in reload, call find_replacement.
1631 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
1633 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
1635 * collect2.c (find_a_file): Add debugging.
1636 (find_a_file): Test for win32 style absolute paths if
1637 DIR_SERPARATOR is defined.
1638 (prefix_from_string): Add debugging.
1639 (main): Test for debug command line switch at start of program
1641 (main): Use GET_ENVIRONMENT rather than getenv().
1642 (prefix_from_env): Use GET_ENVIRONMENT.
1644 1998-03-24 Mark Mitchell <mmitchell@usa.net>
1646 * cplus-dem.c (optable): Add sizeof.
1647 (demangle_template_value_parm): New function containing code
1648 previously found in demangle_template.
1649 (demangle_integral_value): New function which handles complicated
1650 integral expressions.
1651 (demangle_template): Use them.
1653 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1655 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
1656 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
1657 genattrtab.o, genoutput.o): Depend on system.h.
1659 * genattr.c: Include system.h. Add arguments to various function
1660 prototypes. Remove redundant prototype of read_rtx().
1661 * genattrtab.c: Likewise.
1662 * gencodes.c: Likewise.
1663 * genconfig.c: Likewise.
1664 * genemit.c: Likewise.
1665 * genextract.c: Likewise.
1666 * genflags.c: Likewise.
1667 * genopinit.c: Likewise.
1668 * genoutput.c: Likewise.
1669 * genpeep.c: Likewise.
1670 * genrecog.c: Likewise.
1672 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
1674 * c-lang.c (lang_print_xnode): New function.
1675 * objc/objc-act.c (lang_print_xnode): Likewise.
1676 * print-tree.c (print_node): Call it
1678 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
1680 * c-parse.in: Recognize protocol qualifiers in class
1681 definitions for objc.
1683 (yyerror): Remove redundant decl.
1684 (yyprint): Fix prototype.
1686 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
1688 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
1690 * stmt.c (unroll_block_trees): Free block_vector if needed.
1692 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
1694 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
1695 (zero_extendsidi2): Avoid useless copy.
1696 (iordi_zext): New pattern.
1697 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
1699 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
1701 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
1702 (ashldi3): Allow constant shift count in range ]32,63].
1703 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
1705 1998-03-22 Mark Mitchell <mmitchell@usa.net>
1707 * tree.h (IS_EXPR_CODE_CLASS): New macro.
1709 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
1711 * h8300.h (CONST_COSTS): Remove definition.
1712 (DEFAULT_RTX_COSTS): Define.
1714 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
1716 * config/sh/rtems.h: Switched from ELF to COFF.
1718 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1720 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
1722 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
1724 * version.c: Bump for snapshot.
1726 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
1727 Geoff Noer <noer@cygnus.com>
1729 * Makefile.in: Various fixes for building cygwin32 native toolchains.
1731 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
1732 * objc/Make-lang.in: Likewise.
1734 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
1736 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
1738 * configure.in: Handle with-PACKAGE=no correctly
1740 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1742 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
1743 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
1744 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
1745 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
1746 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
1747 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
1748 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
1749 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
1750 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
1751 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
1754 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
1755 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
1756 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
1757 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
1758 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
1759 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
1760 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
1761 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
1762 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
1763 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
1764 xcoffout.c: Include system.h. Organize include ordering so
1765 that stdarg/varargs comes before other system headers. Remove
1766 spurious casts of functions assured of a prototype in system.h.
1768 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
1770 * reg-stack.c (pop_stack): Define. Pops any register on the
1771 regstack and adjusts regstack.
1772 (compare_for_stack_reg): Use pop_stack.
1774 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
1776 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
1779 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
1781 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
1783 * fold-const.c (fold): Replace sign-extension of a zero extended
1784 value by a single zero extension.
1786 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
1788 * except.c (init_eh): Do nothing.
1789 (save_eh_status): Call init_eh_for_function, not init_eh.
1790 * function.c (push_function_context_to): Don't call init_emit.
1792 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
1794 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
1797 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1799 * final.c (shorten_branches): Add parentheses around +/- in
1802 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
1804 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
1806 * regclass.c (memory_move_secondary_cost): Wrap uses of
1807 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
1810 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
1812 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
1814 * flow.c (life_analysis): #include <sys/types.h> to make sure
1816 * cplus-dem.c (demangle_function_name): Likewise.
1818 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
1820 * final.c (insn_noperands): Change type to unsigned int.
1821 (final_scan_insn): Likewise for noperands;
1822 properly check operand number boundaries.
1824 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
1826 * alpha.md (extzv): Don't reject register operands. Fix
1829 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
1831 * dbxout.c (dbxout_function_end): Fix last change. The correct
1832 predicate is ASM_OUTPUT_SECTION_NAME.
1834 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
1836 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
1837 (ashlsi): Use match_dup 1 instead of match_operand 2.
1839 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1841 * fold-const.c (operand_equal_for_comparison_p): See if equal
1842 when nop conversions are removed.
1844 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1846 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
1847 don't use ORIGINAL_TARGET unless REG.
1849 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1851 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
1853 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
1855 * loop.c (struct movable): New field move_insn_first.
1856 (scan_loop): In consec sets code, set it. Clear it otherwise.
1857 (move_movables): In consec sets code, use it. Copy REG_NOTES from
1858 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
1861 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
1863 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
1864 is large, and the system doesn't provide atoll or atoq.
1867 * alpha/xm-vms.h (HAVE_ATOLL): Define.
1868 Reported by Klaus Kaempf <kkaempf@progis.de>.
1870 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1872 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
1873 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
1875 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
1876 test !ACCUMULATE_OUTGOING_ARGS.
1878 * collect2.c (write_c_file_glob): Wrap function definition in
1879 macro test !LD_INIT_SWITCH.
1881 * combine.c (try_combine): Wrap variables `cc_use' and
1882 `compare_mode' in macro test EXTRA_CC_MODES.
1884 * cpplib.c (do_ident): Remove unused variable `len'.
1885 (skip_if_group): Remove unused variables `at_beg_of_line' and
1887 (cpp_get_token): Remove unused variable `dummy'.
1889 * dbxout.c (scope_labelno): Move static variable definition inside
1890 the one function scope where it is used.
1891 (dbxout_function_end): Wrap prototype and definition in
1892 macro test !NO_DBX_FUNCTION_END.
1894 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
1895 in macro test !MIPS_DEBUGGING_INFO.
1897 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
1898 into the scope where it is used. Wrap empty else-statement body
1901 * fix-header.c: Fix typo in comment.
1902 (inf_skip_spaces): Cast results of INF_UNGET to (void).
1903 (check_protection, main): Likewise.
1905 * flow.c (find_basic_blocks_1): Remove dangling comment text.
1907 * function.c (contains): Wrap prototype and definition in macro
1908 test HAVE_prologue || HAVE_epilogue.
1909 (fixup_var_refs_1): Remove unused variable `width'.
1911 * gen-protos.c (main): Remove unused variable `optr'.
1913 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
1915 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
1916 (__sjpopnthrow): Remove unused variable `jmpbuf'.
1917 (__throw): Remove unused variable `val'.
1919 * protoize.c: Check for a previously existing definition before
1920 defining *_OK macros.
1922 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
1924 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1926 * vax.h (ADDR_VEC_ALIGN): Define.
1928 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
1930 * gcc.c (default_arg): Don't wander off the end of allocated
1933 (From Geoffrey Keating <geoffk@ozemail.com.au>)
1934 * rs6000.c (small_data_operand): Ensure that any address
1935 referenced relative to the small data area is inside the SDA.
1937 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
1939 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
1941 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1943 * except.h (in_same_eh_region): New prototype.
1944 (free_insn_eh_region, init_insn_eh_region): New prototypes.
1945 * except.c (insn_eh_region, maximum_uid): New static variables.
1946 (set_insn_eh_region): New static function to set region numbers.
1947 (free_insn_eh_region): New function to free EH region table.
1948 (init_insn_eh_region): New function to initialize EH region table.
1949 (in_same_eh_region): New function used to determine if two rtl
1950 instructions are in the same exception region or not.
1951 * final.c (final): Initialize the table indicating which instructions
1952 belong in which exception region.
1953 * genpeep.c (main): Add "except.h" to include file list in generated
1955 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
1956 peepholes involving calls and unconditional branches.
1958 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
1960 * README.gnat: New file.
1962 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1964 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
1965 "recog.h" for offsettable_memref_p.
1966 (legitimize_pic_address): Remove unused variable `offset'.
1967 (notice_update_cc): Change return type to void. Add default label
1969 (standard_68881_constant_p): Remove unused variable mode.
1970 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
1971 (const_int_cost): Explicitly declare as returning int.
1972 (output_dbcc_and_branch): Change return type to void.
1974 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
1975 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
1976 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
1978 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
1980 * version.c: Bump for snapshot.
1982 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1984 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
1985 check for 'M' constraint.
1987 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
1989 * cccp.c (create_definition): If pedantic, call pedwarn for macro
1992 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1994 * i386.c (ix86_logical_operator): New function.
1995 (split_di): Ensure that when a MEM is split, the resulting MEMs have
1997 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
2000 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2001 Richard Earnshaw <rearnsha@arm.com>
2002 Nick Clifton <nickc@cygnus.com>
2004 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
2006 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
2008 * cse.c (rtx_cost): Provide a default case in an enumeration
2009 switch, and call DEFAULT_RTX_COSTS if it's defined.
2011 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
2013 * basic-block.h (compute_preds_succs): Change return type in
2015 * flow.c (compute_preds_succs): Likewise in function definition.
2017 * regmove.c (find_matches): Cast char used as array index to unsigned char
2020 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
2022 * i386.h (RTX_COSTS): Insert braces around nested if.
2023 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
2026 * gcc.c (default_compilers): Properly put brackets around array elements in
2029 * getopt.c (_getopt_internal): Add explicit braces around nested if;
2032 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
2033 (record_reg_life_pat): Add explicit parens around && and || in expression.
2034 (stack_reg_life_analysis): Add parens around assignment used as expression.
2035 (convert_regs): Likewise.
2037 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
2039 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
2040 change callers accordingly.
2042 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
2043 and definition; change all callers accordingly.
2045 * except.c (init_eh): Avoid assignment of unused return value of
2046 build_pointer_type; cast it to void, instead, and remove unused
2049 * gcc.c (lang_specific_driver): Define prototype only #ifdef
2050 LANG_SPECIFIC_DRIVER.
2051 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
2053 * genoutput.c (output_epilogue): Initialize next_name to 0.
2055 * real.c (efrexp): #if 0 prototype and function definition.
2056 (eremain): Likewise.
2063 * reload.c (push_secondary_reload): Define prototype only
2064 #ifdef HAVE_SECONDARY_RELOADS.
2066 * varasm.c (assemble_static_space): Define rounded only
2067 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
2069 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
2071 * i386.md (andsi): Add default case in enumeration switch.
2076 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
2078 * c-decl (finish_struct): Change type of min_align to unsigned.
2080 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
2081 remove unused variable len.
2083 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
2084 comment indicating this is proper behaviour.
2085 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
2087 (based_loc_descr): Likewise.
2089 * enquire.c (bitpattern): Change type of variable i to unsigned.
2091 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
2093 * flow.c (life_analysis): Change type of variable i to size_t;
2094 remove unused variable insn.
2096 * gcc.c (translate_options): Change type of variables optlen, arglen and
2098 (input_filename_length): Change type to size_t.
2099 (do_spec_1): Change type of variable bufsize to size_t.
2100 (main): Change type of variables i and j to size_t;
2101 remove subblock local definition of variable i.
2102 (lookup_compiler): Change type of second argument to size_t;
2103 change type of variable i to size_t.
2105 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
2107 * genopinit.c (get_insn): Change type of variable pindex to size_t.
2109 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
2111 * global.c (global_alloc): Change type of variable i to size_t.
2113 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
2115 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
2116 (expand_end_case): Change type of variable count to size_t.
2118 * toplev.c (main): Change type of variable j to size_t.
2119 (set_target_switch): Change type of variable j to size_t.
2120 (print_switch_values): Change type of variable j to size_t;
2121 remove unused variable flags.
2123 * varasm.c (assemble_variable): Change type of variable align to size_t.
2124 (const_hash_rtx): Change type of variable i to size_t.
2126 1998-03-11 Mark Mitchell <mmitchell@usa.net>
2128 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
2129 TREE_VEC if that's what it really is.
2131 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
2133 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
2136 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
2138 * gthr.h: Changed the comment about return values.
2139 * gthr-solaris.h (__gthread_once): Do not use errno; return the
2140 error number instead of -1.
2141 (__gthread_key_create): Any non-zero return value is an error.
2142 * libgcc2.c (eh_context_initialize): Check for non-zero return
2143 value from __gthread_once.
2144 Check that the value of get_eh_context was really changed.
2146 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2148 * sh.h (LOOP_ALIGN): Only align when optimizing.
2149 * sh.c (find_barrier): Clear inc for CODE_LABELs.
2150 When not optimizing, calculate alignment for BARRIERs directly.
2152 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2154 * final.c (shorten_branches): Remove conditionalizing on
2155 SHORTEN_WITH_ADJUST_INSN_LENGTH
2156 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
2158 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
2160 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
2161 an unconditional jump around deleted blocks.
2163 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
2165 * profile.c (branch_prob): If see computed goto, call fatal instead of
2168 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
2170 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
2171 Patch from Bruno Haible.
2173 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
2174 (assign_parms): Set aggregate if hide_last_arg and last_named.
2176 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2178 * final.c (shorten_branches): Initialize insn_addresses.
2180 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2182 * sh.h (MUST_PASS_IN_STACK): Define.
2184 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
2186 * final.c (shorten_branches): Fix minor logic error in
2187 ADDR_DIFF_VEC shortening support.
2189 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
2191 * version.c: Bump for snapshot.
2193 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
2195 * haifa-sched.c (is_cfg_nonregular): Change return type to
2196 an int. No longer compute "estimated" number of edges. Use
2197 computed_jump_p instead of duplicating the code. Fixup/add
2199 (build_control_flow): Returns a value indicating an irregularity
2200 in the cfg was detected. Count the number of edges in the cfg.
2201 allocate various edge tables.
2202 (find_rgns): No longer look for unreachable blocks.
2203 (schedule_insns): Do not allocate memory for edge tables here.
2204 Free memory for edge tables before returning. Do not perform
2205 cross block scheduling if build_control_flow returns nonzero.
2206 * flow.c (compute_preds_succs): More accurately determine when
2209 * basic-block.h (free_basic_block_vargs): Provide prototype.
2211 * cccp.c (main): Fix dumb mistakes in last change.
2213 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2215 * rtl.h (addr_diff_vec_flags): New typedef.
2216 (union rtunion_def): New member rt_addr_diff_vec_flags.
2217 (ADDR_DIFF_VEC_FLAGS): New macro.
2219 * sh.c (output_branch): Fix offset overflow problems.
2221 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
2222 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
2223 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
2224 * stmt.c (expand_end_case): Supply new arguments to
2225 gen_rtx_ADDR_DIFF_VEC.
2226 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
2227 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
2228 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
2229 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
2230 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
2231 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
2232 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
2233 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
2234 * i386/freebsd.h, i386/linux.h : Likewise.
2235 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
2236 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
2237 * m68k/mot3300.h, m68k/sgs.h : Likewise.
2238 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
2239 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
2240 (CASE_VECTOR_SHORTEN_MODE): Define.
2241 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
2242 (med_branch_p, braf_branch_p): Don't declare.
2243 (mdep_reorg_phase, barrier_align): Declare.
2244 (ADJUST_INSN_LENGTH): Remove alignment handling.
2245 * sh.c (uid_align, uid_align_max): Deleted.
2246 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
2247 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
2248 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
2249 (output_far_jump): Don't use braf_branch_p.
2250 (output_branchy_insn): Don't use branch_offset.
2251 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
2252 Remove paired barrier stuff.
2253 Don't use cache_align_p.
2254 Take alignment insns into account.
2255 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
2257 (barrier_align, branch_dest): New function.
2258 (machine_dependent_reorg, split_branches): Remove infrastructure
2259 for branch shortening that is now provided in the backend.
2260 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
2261 (braf_branch_p, braf_cbranch_p): Likewise.
2262 (attribute length): Use new attributes.
2263 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
2264 (addr_diff_vec_adjust): Delete.
2265 (align_2): Now a define_expand.
2266 (align_log): Now length 0.
2268 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
2270 * m32r.md (right): Correctly check for length == 2, not 1.
2272 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2274 * mips/mips.h: Prototype `machine_dependent_reorg'.
2275 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
2277 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
2279 * final.c (shorten_branches): Restore accidentally removed code.
2281 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2283 * configure.in: Remove duplicate uses of AC_PROG_CC and
2286 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
2288 * configure.in (target_cpu_default2): Correct typo for alphapca56.
2290 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
2291 Doug Evans (devans@cygnus.com)
2293 * haifa-sched.c (build_jmp_edges): Delete dead function.
2294 (build_control_flow): Use cfg routines from flow.c
2295 (schedule_insns): Remove debugging code accidentally checked
2298 * basic-block.h: Add external integer list structures, typdefs,
2299 accessor macros and function declarations. Simlarly for
2300 basic block pred/succ support and simple bitmap stuff.
2301 * flow.c: Add functions for integer list, basic block pred/succ
2302 support and simple bitmap support.
2303 (compute_dominators): New function to compute dominators and
2305 (find_basic_blocks): Split into two functions.
2306 (life_analysis): Likewise.
2307 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
2308 the life_analysis from toplev.c
2309 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
2310 life_analysis instead of flow_analysis.
2312 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2314 * jump.c (jump_optimize): Call mark_jump_label also for deleted
2316 (mark_jump_label): Don't increment ref counts for deleted insns.
2318 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2320 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
2322 * mips/mips.c: Include stdlib.h and unistd.h.
2323 (mips_asm_file_end): Add braces around empty body in an if-statement.
2324 (function_prologue): Wrap variable `fnname' in
2325 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
2326 (mips_select_rtx_section, mips_select_section): Declare as void.
2328 * mips/mips.h: Add prototypes for extern functions in mips.c.
2329 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
2330 (ENCODE_SECTION_INFO): Add braces around empty body in an
2333 * mips/mips.md (movdi): Add parentheses around && within ||.
2334 (movsf, movdf): Likewise.
2335 (branch_zero, branch_zero_di): Add default case in
2339 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
2341 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
2342 real constants, since they can't be changed.
2343 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
2344 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
2345 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
2346 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
2347 * alpha/vms.h (TARGET_OPEN_VMS): New.
2348 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
2350 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
2352 * reload.c (find_reloads): Always force (subreg (mem)) to be
2353 reloaded if WORD_REGISTER_OPERATIONS.
2355 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
2357 * haifa-sched.c (free_list): Rename from free_pnd_lst.
2358 (free_pending_lists): Rename free_pnd_lst uses.
2359 (remove_dependence): Place expunged element on unused_insn_list.
2360 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
2361 gen_rtx_*_LIST and alloc_rtx to use them.
2362 (compute_block_backward_dependences): Free the reg_last_* lists.
2364 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
2366 * cccp.c (main): Avoid undefined behavior when setting pend_includes
2369 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2371 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
2372 USE_GNULIBC_1 is defined
2373 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
2374 includes the t-linux-gnulibc1 fragment
2376 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
2378 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
2380 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2382 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
2384 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2386 * final.c (shorten_branches): Tag the loop alignment onto the
2387 first label after NOTE_INSN_LOOP_BEG even if there is an
2390 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2392 * final.c (insn_current_reference_address):
2393 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
2394 proper alignment chain.
2396 * final.c (max_labelno): New static variable.
2397 (final_scan_insn): Check max_labelno before outputting an
2398 alignment for a label.
2399 (shorten_branches): Remove unused variable length_align.
2401 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2403 * sparc.c (ultrasparc_adjust_cost): Add default case in
2406 * sparc.h: Add prototypes for extern functions defined in
2409 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
2411 * toplev.c: Only generate <name>.dbr file when dumping RTL if
2412 DEALY_SLOTS is defined.
2414 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
2416 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
2417 in call to fill_slots_from_thread.
2419 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
2421 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
2422 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
2424 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2426 * final.c (insn_last_address, insn_current_align, uid_align):
2428 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
2429 (insn_current_reference_address): Likewise.
2430 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
2431 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
2432 (label_to_alignment): New function.
2433 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
2434 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
2435 insn_current_reference_address instead of insn_current_address.
2436 (or_attr_value, write_length_unit_log): New functions.
2437 (main): Call write_length_unit_log.
2438 (write_const_num_delay_slots): Output extra '\n'.
2439 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
2441 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
2442 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
2443 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
2445 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
2446 (LABEL_ALIGN_AFTER_BARRIER).
2447 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
2448 * ns32k/tek6000.h: Likewise.
2449 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
2450 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
2451 ASM_OUTPUT_ALIGN_CODE.
2453 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
2455 * version.c: Bump for snapshot.
2457 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
2459 * version.c: Bump for snapshot.
2461 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
2463 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
2464 if condition code of jump conflicts with opposite_needed.
2466 * reorg.c (fill_slots_from_thread): Mark resources referenced in
2467 opposite_needed thread. Return delay_list even when cannot get
2468 any more delay insns from end of subroutine.
2470 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
2472 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
2473 All callers changed.
2475 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2477 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
2478 end_fde_sort): New functions for fast sorting of an FDE array.
2479 (fde_insert): Simplified.
2480 (add_fdes): Change argument list.
2481 (frame_init): Use the new functions.
2483 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
2485 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
2487 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
2489 * fold-const.c (fold_range_test): Always return a value.
2491 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
2493 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
2494 data in the text section unless READONLY_DATA_SECTION is defined.
2496 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
2498 * c-parse.in (undeclared variable error): Tweak error message to
2501 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
2503 * version.c: Bump for snapshot.
2505 1998-02-28 Mark Mitchell <mmitchell@usa.net>
2507 * final.c (final_scan_insn): Undo overzealous removal of `set'.
2509 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2511 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
2512 case, add parentheses to specify the proper order of precedence in
2516 * c-aux-info.c: Include string.h/strings.h.
2518 * pa.c: Include stdlib.h.
2519 (pa_combine_instructions): Prototype the function.
2520 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
2521 (reloc_needed): Add default case for enumeration switch.
2522 (remove_useless_addtr_insns): Remove unused variable `all'.
2523 (hppa_expand_prologue): Add explicit braces to avoid
2525 (output_function_epilogue): Remove unused variable `i'.
2526 (output_millicode_call): Remove unused variable `link'.
2527 (shadd_constant_p, forward_branch_p): Make the function static.
2528 (following_call): Explicitly declare to return int.
2529 (pa_reorg): Declare as void.
2530 (pa_combine_instructions): Declare as static void. Add
2531 parentheses around && within ||.
2533 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
2534 following_call, function_label_operand, lhs_lshift_cint_operand
2537 * pa.md: Add parentheses around && within ||.
2539 * cppalloc.c: Include stdlib.h.
2541 * cpperror.c (cpp_print_containing_files): Remove unused variable
2542 `i'. Fix format specifier in fprintf.
2544 * cse.c (cse_around_loop): Add explicit braces to avoid
2546 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
2548 * expr.c (expand_expr): Add parentheses around && within ||.
2550 * final.c (app_enable): Replace fprintf with fputs where there are
2551 no format specifiers and no trailing argument after the string.
2552 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
2553 (app_disable): Likewise.
2554 (final_end_function): Likewise.
2555 (final_scan_insn): Likewise. Remove unused variable `set'.
2556 (profile_function): Wrap empty if-statement body in {} brackets.
2558 * function.c: Include stdlib.h.
2559 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
2560 (reposition_prologue_and_epilogue_notes): Add parentheses
2561 around assignment used as truth value.
2563 * integrate.c (expand_inline_function): Wrap variable
2564 `cc0_insn' in macro HAVE_cc0.
2566 * jump.c (jump_optimize): Wrap variable `q' in macro
2567 HAVE_cc0. Remove unused variable `prev1'.
2569 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
2570 within ||. Fix format specifier in fprintf.
2571 (__bb_init_prg): Add parentheses around assignment used as
2574 * local-alloc.c: Include stdlib.h.
2575 (requires_inout): Add parentheses around assignment used
2578 * loop.c (analyze_loop_iterations): Wrap prototype and definition
2579 in macro HAVE_decrement_and_branch_on_count.
2580 (insert_bct, instrument_loop_bct): Likewise.
2581 (move_movables): Add parentheses around assignment used as
2583 (consec_sets_invariant_p): Likewise.
2584 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
2586 * objc/objc-act.c: Include stdlib.h.
2587 (lookup_method_in_protocol_list): Wrap empty else-statement body
2589 (lookup_protocol_in_reflist): Likewise.
2590 (objc_add_static_instance): Remove unused variables `decl_expr'
2592 (get_objc_string_decl): Remove unused variable `decl'.
2593 (generate_static_references): Remove unused variables `idecl' and
2595 (check_protocols): Wrap empty else-statement body in braces.
2597 * protoize.c: Include stdlib.h.
2598 (substr): Add parentheses around assignment used as truth value.
2599 (abspath): Likewise.
2600 (shortpath): Likewise.
2602 * regmove.c (fixup_match_1): Add parentheses around assignment
2603 used as truth value.
2605 * reload.c (push_secondary_reload): Remove unused variable `i'.
2606 (find_reloads): Add parentheses around assignment used as truth
2609 * reload1.c: Include stdlib.h.
2611 * rtl.h: Correct typo in prototype of offsettable_memref_p.
2613 * stmt.c (add_case_node): Add parentheses around assignment used
2615 (case_tree2list): Likewise.
2617 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
2618 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
2619 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
2620 (merge_attributes): Add explicit braces to avoid ambiguous
2623 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
2626 * varasm.c: Include stdlib.h.
2629 * system.h: Remove sys/stat.h.
2630 * gcc.c: Add sys/stat.h.
2632 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
2633 * genattrtab.c: Likewise.
2634 * genconfig.c: Likewise.
2635 * genemit.c: Likewise.
2636 * genextract.c: Likewise.
2637 * genflags.c: Likewise.
2638 * genopinit.c: Likewise.
2639 * genoutput.c: Likewise.
2640 * genpeep.c: Likewise.
2641 * genrecog.c: Likewise.
2642 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
2644 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2646 * invoke.texi: Use @itemx for a secondary item in a @table.
2648 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
2651 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
2653 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
2655 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
2657 * i386.c (struct machine_function): Add new fields for PIC stuff.
2658 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
2660 (restore_386_machine_status): Corresponding changes.
2661 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
2663 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
2665 * c-parse.y (undeclared variable error): Tweak error message
2668 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
2670 * flags.h (g_switch_value, g_switch_set): Declare.
2671 * alpha.c (override_options): Set g_switch_value=8 if not set.
2672 * alpha/elf.h (CC1_SPEC): New.
2674 (LINK_SPEC): Pass along the -G value we were given.
2675 (LOCAL_ASM_OP): Remove.
2676 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
2677 (MAX_OFILE_ALIGNMENT): New.
2678 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
2679 (EXTRA_SECTIONS): Add sbss and sdata.
2680 (SECTION_FUNCTION_TEMPLATE): New.
2681 (EXTRA_SECTION_FUNCTIONS): Use it.
2682 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
2683 (SELECT_SECTION): Use sdata when small enough.
2684 * alpha/linux.h (ASM_SPEC): Remove.
2687 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2688 * config.sub (sco5): Fix typo.
2690 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
2692 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
2694 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
2695 * config/alpha/t-linux: Remove file.
2696 * config/sparc/t-linux: Remove file.
2697 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
2698 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
2699 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
2701 (alpha*-*-linux-gnu*): Likewise.
2702 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
2703 (sparc-*-linux-gnu*): Likewise.
2705 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
2706 * collect2.c (ldd_file_name): Bracket declaration with same
2708 (full_real_ld_suffix): Deleted. Variable was calloced and
2709 written into, but never read.
2711 1998-02-23 Mike Stump <mrs@wrs.com>
2713 * configure.in: Add support for i386-wrs-vxworks configuration.
2714 * i386/vxi386.h: New file.
2716 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2718 * tree.c (contains_placeholder_p): Ensure function always returns
2720 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
2721 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
2723 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
2725 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
2727 1998-02-22 Paul Eggert <eggert@twinsun.com>
2729 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
2730 Define this new symbol.
2731 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
2732 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
2733 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
2735 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
2737 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
2738 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
2740 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
2742 * objc/Object.m (-error): Call objc_verror with our va_list.
2744 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2746 * collect2.c (scan_prog_file): Completely cover uses of variable
2747 `exports' with macro COLLECT_EXPORT_LIST.
2749 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
2751 * version.c: Bump for snapshot.
2753 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
2755 * sched.c (schedule_block): Remove code to get arguments from hard
2756 regs into pseudos early. Same as Aug 25, 1997 change to
2759 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
2761 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
2763 1998-02-16 Mark Mitchell <mmitchell@usa.net>
2765 * toplev.c (rest_of_compilation): Do not defer the output of a
2768 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
2770 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
2771 continuation character (line 243).
2773 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2775 * genrecog.c (main): Remove duplicated sentence in emitted comment.
2777 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
2778 David Edelsohn <edelsohn@mhpcc.edu>
2780 * collect2.c (XCOFF_SCAN_LIBS): Remove.
2781 (export_flag): New variable.
2782 (export_file): #ifdef COLLECT_EXPORT_LIST.
2783 (import_file, exports, imports, undefined): New variables.
2784 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
2785 (dump_list, dump_prefix_list, is_in_list): New functions.
2786 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
2787 (write_import_file, resolve_lib_name): New functions.
2788 (use_import_list, ignore_library): Same.
2789 (collect_exit): maybe_unlink import_file and #ifdef.
2791 (main): New variable importf, #ifdef exportf. Move parsing of
2792 -shared before general argument parsing. Resolve AIX library
2793 paths and import libgcc.a symbols. Treat .so shared libraries the
2794 same as objects and .a libraries. Create alias for object_lst and
2795 increment it instead of original pointer. Scan AIX libraries as
2796 objects earlier instead of using scan_libraries. Perform AIX
2797 tlink later to resolve templates instead of forking ld.
2798 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
2799 (GCC_UNDEF_SYMBOL): New macro.
2800 (scan_prog_file): Loop for members of AIX libraries. Handle
2801 export/import of ctors/dtors.
2802 (aix_std_libs): New variable.
2803 (scan_libraries, XCOFF): Delete.
2805 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
2807 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
2809 1998-02-19 Mike Stump <mrs@wrs.com>
2811 * Makefile.in: Use $tooldir for sys-include to match toplevel
2814 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
2815 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2817 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
2819 * emit-rtl.c (hard-reg-set.h): Include.
2820 (get_lowpart_common): Don't make new REG for hard reg in a
2821 class that cannot change size.
2822 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
2824 * combine.c: Revert previous patch.
2826 1998-02-19 Paul Eggert <eggert@twinsun.com>
2828 * config/sparc/sol2-sld.h: New file.
2829 * configure.in (sparc-*-solaris2*): Use it when using the
2832 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
2834 * loop.c (force_movables): Fix typo.
2836 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
2838 * m88k.h: Change file pattern to match reality.
2840 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
2842 * varasm.c (output_constant_pool): Fix dumb thinko in last
2845 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
2846 a function name to a section name.
2848 1998-02-18 Doug Evans <devans@cygnus.com>
2850 * tree.h (merge_machine_{type,decl}_attributes): Declare.
2851 (split_specs_attrs, strip_attrs): Add prototypes.
2852 * tree.c (merge_machine_{type,decl}_attributes): New functions.
2853 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
2854 Update olddecl's attributes too.
2855 * c-common.c (strip_attrs): New function.
2856 * c-typeck.c (common_type): Call merge_machine_type_attributes.
2857 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
2858 (make_decl_rtl): Likewise.
2860 1998-02-18 Jim Wilson <wilson@cygnus.com>
2862 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
2864 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
2866 Remove this change until we can fix it correctly.
2867 * collect2.c: Bracket declaration of 'exportf' and
2868 'full_real_ld_suffix'.
2870 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2872 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
2874 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2876 * c-common.c (c_expand_start_cond, c_expand_end_cond,
2877 c_expand_start_else): Don't warn about non-ambiguous else even if
2880 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
2882 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
2883 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
2886 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
2888 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
2889 simplifying a subreg of a hard reg.
2890 (expand_compound_operation): Likewise.
2891 (force_to_mode): Likewise.
2893 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2895 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
2896 (lshift_double): Add parentheses around + or - inside shift.
2897 (rshift_double): Likewise.
2898 (size_int_wide): Explicitly set type of `bit_p' to `int'.
2900 * Makefile.in (fold-const.o): Depend on system.h.
2902 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
2905 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
2906 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
2907 (sched_note_set): Remove unused parameter `b', all callers changed.
2908 (schedule_block): Likewise for `rgn'.
2909 (split_hard_reg_notes): Likewise for `orig_insn'.
2910 (check_live): Likewise for `trg'.
2911 (update_live): Likewise.
2912 (check_live_1): Explcitly declare variable `i' as int.
2913 (update_live_1): Likewise.
2914 (insn_issue_delay): Remove unused variable `link'.
2915 (sched_analyze_2): Add default case in enumeration switch.
2916 (schedule_insns): Remove unused variable `i'.
2918 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
2920 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
2922 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
2923 a dangling else clause.
2925 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
2927 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
2928 pointer for the stack pointer in MIPS16 and 64BIT.
2930 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2932 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
2933 * emit-rtl.c (force_line_numbers, restore_line_number_status):
2935 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
2936 (expand_start_case): Adjust to this change.
2937 (check_seenlabel): New function.
2938 (pushcase, pushcase_range, expand_endcase): Use it.
2940 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2942 * i386.md (adddi3): Add =!r,0,0,X alternative.
2944 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2946 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
2947 * x-aix31 (INSTALL): Delete.
2949 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
2951 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
2952 tsize changes to something other than zero.
2954 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
2956 * ginclude/va-mips.h: Replace casts of pointers to int with
2957 casts of pointers to __PTRDIFF_TYPE__.
2959 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
2961 * loop.c (strength_reduce, record_biv, record_giv): Use
2962 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
2964 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
2966 * tree.c (first_rtl_op): New fn.
2967 (unsave_expr_now): Use it.
2968 * print-tree.c (print_node): Likewise.
2969 * tree.c (has_cleanups): New fn.
2970 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
2971 conservative about pushing the cleanup point down.
2972 * tree.h: Declare them.
2974 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
2976 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
2977 (flag_schedule_reverse_after_reload): Likewise.
2978 (f_options): Remove reverse scheduling support.
2979 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
2980 (flag_schedule_reverse_after_reload): Likewise.
2981 * haifa-sched.c (rank_for_schedule): Remove support for reverse
2984 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2986 * gcc.c: Get system includes, prototypes and macros via "system.h"
2987 instead of doing it manually. Change all calls of the ctype
2988 macros to custom versions defined in "system.h".
2990 * system.h: Fix return type of bcmp prototype from `void' to `int'.
2991 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
2992 Add a prototype for getenv.
2994 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
2996 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
2998 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
3000 * alias.c: Include <stdlib.h> and <string.h>.
3001 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
3003 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
3005 * version.c: Bump for snapshot.
3007 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
3009 * arm.md (movsfcc): Also validate operands[3] when compiling hard
3011 (movdfcc): Only accept fpu_add_operand for operands[3].
3013 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
3014 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
3016 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
3018 * varasm.c (output_constant_pool): Bring back 'done' label inside
3019 an appropriate #ifdef.
3021 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
3023 (bitmap_copy, bitmap_operation): Likewise.
3024 * combine.c (combinable_i3pat): Similarly for 'src'.
3025 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
3026 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
3027 * regclass.c (copy_cost): Similarly for 'secondary_class'.
3028 * reload.c (make_memloc): Simliarly for 'i'.
3029 (find_reloads_address_1): Similarly for 'link'.
3030 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
3031 (emit_reload_insns): Similarly for 'second_reloadreg'.
3032 * unroll.c (iteration_info): Similarly for 'v'.
3034 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
3035 * calls.c (expand_call): Similarly for 'i'.
3036 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
3037 * fold-const.c (strip_compund_expr): Similarly for 'type'.
3038 * function.c (fixup_var_refs_1): Similarly for 'width'.
3039 (fixup_memory_subreg): Similarly for 'saved'.
3040 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
3041 (setjmp_protect): Similarly for 'sub'.
3042 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
3043 * loop.c (record_giv): Similarly for 'p'.
3044 (combine_givs): Similarly for 'temp_iv'.
3045 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
3046 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
3047 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
3048 * unroll.c (unroll_loop): Similarly for 'copy'.
3049 (iteration_info): Similarly for 'b'.
3050 * varasm.c (assemble_string): Similarly for 'i'.
3051 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
3053 1998-02-13 Martin von Loewis <loewis@informatik.hu-berlin.de>
3055 * c-lang.c (lang_print_xnode): New function.
3056 * objc/objc-act.c (lang_print_xnode): Likewise.
3057 * print-tree.c (print_node): Call it
3059 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
3061 * dwarf2out.c (decl_scope_node): New type.
3062 (decl_scope_table): Change type to use it.
3063 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
3064 (push_decl_scope): Use new type. New locals containing_scope, i.
3065 Add code to handle setting previous field.
3066 (scope_die_for): Change type of local i to int. Add code to use
3068 (dwarf2out_init): Use new type.
3070 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
3072 * except.c (emit_throw): Lose throw_used.
3074 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3076 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
3078 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
3080 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
3082 * genextract.c (main): Fix typo.
3084 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
3086 * c-lang.c (finish_file): Bracket declaration of static_ctors,
3089 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
3090 'old_stack_arg_under_construction'
3091 (emit_library_call): Bracket declaration of 'upper_bound',
3092 'lower_bound', 'i', 'reg_parm_stack_space'
3093 (emit_library_call_value): Likewise.
3096 * collect2.c: include <unistd.h> when appropriate.
3097 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
3099 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
3101 * explow.c (plus_constant_for_output_wide): Remove unused variable
3103 (memory_address): Remove unused variable 'orig_x'.
3105 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
3106 (write_const_num_delay_slots): Remove unused variable 'i'.
3108 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
3109 (gen_insn): Remove unused variable 'obstack_ptr'.
3111 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
3113 (__bb_exit_trace_func): Remove unused variable 'e'.
3115 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
3117 (expand_unop): Remove unused variable 'funexp'.
3118 (expand_complex_abs): Remove unused variable 'funexp'.
3119 (init_optabs): Bracket declaration of 'j'.
3120 (init_complex_libfuncs): Deleted. Dead static function.
3122 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
3124 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
3125 (reg_to_stack): 'initialized', 'before_function_beg'
3126 explictly type as ints instead of defaulting.
3127 (emit_swap_insn): Remove unused variable 'i2'.
3128 (compare_for_stack_reg): Remove unused variable 'src_note'.
3130 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
3132 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
3134 * stmt.c (add_case_node): Add parens for assignment used as truth.
3135 (all_cases_count): Remove unused variable 'count_high'.
3136 (mark_seen_cases): Remove unused variable 'i'.
3137 (check_for_full_enumeration_handling): Remove unused variable 't'.
3138 Bracket declaration of 'all_values', 'l'.
3140 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
3142 * varasm.c (assemble_string): Remove unused variable 'i'.
3143 (immed_double_const): Remove unused variable 'in_current_obstack'.
3144 (immed_real_const_1): Likewise.
3145 (output_constant_pool): Remove unreferenced label 'done'.
3146 (output_constant): Remove unused variable 'x'.
3148 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
3151 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
3154 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3156 * combine.c (can_combine_p): Handle USEs in PARALLELs.
3158 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
3160 * config/linux.h (LIB_SPEC): Add -lc for -shared if
3161 USE_GNULIBC_1 is not defined.
3162 * config/sparc/linux.h; Ditto.
3164 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
3166 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
3167 USE_GNULIBC_1 is not defined.
3169 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
3171 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
3174 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3176 * system.h: New file to get common systems includes and various
3177 definitions and declarations based on autoconf macros.
3179 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
3181 * cccp.c (new_include_prefix): Correctly handle -I./.
3183 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
3185 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
3187 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
3189 * expr.c (expand_assignment): Correct typo exposed by -Wall.
3190 offset should have been a truth value, not an assignment.
3192 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
3194 * cse.c (delete_dead_from_cse): If a libcall produces a constant
3195 result and that result can be substituted into SET_SRC of the
3196 insn with the REG_RETVAL note, then perform the substitution
3197 and delete the libcall.
3199 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
3201 * mips.md (trucndihi2,truncdiqi2): Change these to support
3204 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
3206 * mips/mips.c (movdi_operand): Direct referances to symbols
3207 that arn't mips16 consts in mips16 mode arn't valid operands.
3209 * mips/mips.c (mips_move_2words): Add gprel handling.
3211 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
3213 * mips.md (extendsidi2): Allow extension to/from a non-mips16
3216 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
3218 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
3221 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3223 * Makefile.in (WARN_CFLAGS): New variable.
3224 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
3226 1998-02-11 Mark Mitchell <mmitchell@usa.net>
3228 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
3229 falling through default case in switch.
3230 (i386_aligned_p): Likewise.
3232 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
3234 * mips/mips.h (mips_abi_string): Correct typo in comment.
3236 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
3238 * mips/mips.md (movdi): These PLUS's need to be Pmode.
3240 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3242 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
3243 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
3244 indirectly via expr.h.
3246 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
3248 * stor-layout.c (layout_type): Do upper - lower in the native type,
3249 so as to properly handle negative indices.
3251 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
3253 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
3254 (expand_eh_region_start_tree): Remove unused variable 'note'.
3255 (exception_optimize): Remove unused variable 'regions'.
3256 (expand_builtin_eh_stub): Remove unused variable 'temp'.
3257 (copy_eh_entry): Deleted. Dead function.
3259 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
3260 'last' with same #if HAVE_load_multiple as use of it.
3261 (move_block_from_reg): Likewise.
3262 (emit_move_insn_1): Remove unused variable 'insns'.
3263 (store_constructor): Bracket declaration of startb, endb with
3264 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
3265 'target', and 'xtarget'.
3266 (expand_builtin_setjmp): Remove unused variables 'op0',
3267 'next_arg_reg', 'old_inhibit_defer_pop'.
3268 (expand_builtin): Remove unused variable 'offset'.
3269 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
3270 (emit_queue): Add parens for assignment used as conditional.
3271 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
3273 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
3275 * i386.c: Added include for recog.h.
3276 (override_options): Removed unused variable p. Initialized regno to
3278 (order_regs_for_local_alloc): Initialized regno to avoid warning.
3279 (legitimize_address): Likewise for 'other'.
3280 (i386_aligned_reg_p): Added default case with abort ().
3281 (print_operand): Likewise.
3282 (reg_mentioned_in_mem): Likewise.
3283 (ix86_expand_binary_operator): Removed unused variables i & insn.
3284 (ix86_expand_unary_operator): Removed unused variable insn.
3285 (output_fp_cc0_set): Removed unused variable unordered_label.
3287 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
3289 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
3290 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
3291 and format string match.
3293 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
3295 * flow.c (life_analysis): Do not conside the stack pointer live at
3296 the end of a function if the fucntio ncalls alloca.
3297 (mark_used_regs): Similarly.
3299 1998-02-10 John F Carr <jfc@mit.edu>
3301 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
3302 1, fzero on alternative 8.
3304 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3306 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
3308 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3310 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
3311 SUBREGs of CONST_INTs.
3313 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
3315 * mips.c (print_operand, function_prologue): Make printf format
3316 match argument type.
3318 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3320 * alpha.c (alpha_return_addr): Remove unused variable `first'.
3321 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
3322 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
3324 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3326 * loop.c (strength_reduce): When placing increment for auto-inc
3327 case, do comparison in loop order.
3329 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
3331 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
3332 not a HOST_WIDE_INT.
3334 * calls.c (expand_call): Change test of expand_inline_function
3335 return value to stop compiler warning.
3337 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
3339 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
3340 Jeff Law (law@cygnus.com)
3342 * regmove.c: Fix various minor formatting problems.
3343 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
3344 is true. Make end of basic block tests consistent through regmove.c.
3345 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
3346 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
3348 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3350 * gansidecl.h: Check for a conflicting macro definition before
3351 attempting to prototype bcopy, bcmp or bzero.
3353 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
3355 * expr.c (clear_pending_stack_adjust): Handle case where a function
3356 calls alloca, but the user has specified -fomit-fframe-pointer.
3358 * function.c (assign_parms): Fix typo in last change.
3360 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
3362 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
3364 (free_path_suffix): Remove unreferenced static function.
3365 (process_command): Remove unused variable temp.
3366 (default_arg): Remove unused variable i.
3367 (do_spec_1): Add parens for assignment used as truth value.
3369 (validate_all_switches): Likewise.
3370 (main): Remove unused variables i, first_time>
3372 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
3374 * calls.c (expand_call): Remove unused variables funtree,
3375 n_regs, and tmpmode.
3377 * dbxout.c, except.c: Include <string.h>/<strings.h>.
3379 * explow.c: (plus_constant_for_output_wide) Removed unused
3380 variable all_constant.
3382 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
3383 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
3384 genrecog.c, global.c, integrate.c , stupid.c : Include
3387 * genextract.c: (walk_rtx) Remove unused variable link.
3389 * genrecog.c: (concat) Remove unreferenced static function.
3391 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
3393 * stmt.c: Include <stdlib.h>.
3394 (expand_asm_operands): Remove unused variable val1.
3395 (expand_return): Remove unused variable block.
3396 (pushcase): Remove unused variables l and n.
3397 (pushcaserange): Likewise.
3399 * unroll.c (unroll_loop): Remove unused variable temp.
3401 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
3403 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
3405 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3407 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
3408 functions for whether they support the %p format specifier.
3409 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
3410 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
3411 * configure, config.in: Rebuild.
3413 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
3415 * function.c (assign_parms): New variable named_arg, with value
3416 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
3418 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
3420 * mips/t-r3900: New - same as t-ecoff but eliminate
3421 multilibs: mips1 and mips3.
3422 * configure.in (tx39*): Use new mips/t-r3900.
3423 * configure: Rebuild.
3424 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
3426 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
3428 * dwarf2out.c: Add old_args_size.
3429 (dwarf2out_args_size): Use it.
3430 (dwarf2out_begin_prologue): Initialize it.
3431 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
3432 pushed args until we see a call.
3433 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
3434 before outputting them.
3436 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
3438 * cplus-dem.c (demangle_template_template_parm): New function.
3439 (demangle_template): Handle template template parameters.
3441 1998-02-02 Mark Mitchell <mmitchell@usa.net>
3443 * calls.c (expand_call): Don't confuse member functions named
3444 realloc, setjmp, and so forth with the standard library
3445 functions of the same names.
3447 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
3449 * stmt.c (expand_asm_operands): Correctly identify asm statements
3452 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
3454 * c-common.c (decl_attributes): Flag unrecognized attribute
3455 functions as warnings instead of as errors.
3457 1998-02-05 Marc Lehmann <pcg@goof.com>
3459 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
3460 when -Os is specified.
3461 * toplev.c (main): Don't disable flag_inline_functions anymore when
3464 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3466 * regmove.c: Update.
3467 * flags.h (flag_regmove): Declare.
3468 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
3469 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
3470 Moved into regmove; changed caller.
3471 * toplev.c (rest_of_compilation): Call regmove_optimize also for
3472 expensive_optimizations.
3474 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
3476 * version.c: Bump for snapshot.
3478 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3479 Undo this change (the problem was actually in reload):
3480 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3482 * sh.md (movqi_i+1): New peephole.
3484 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
3486 * jump.c (jump_optimize): Lose calls to modified_in_p they are
3487 not needed anymore due to changes elsewhere in jump.c.
3489 * jump.c (jump_optimize): Fix first arg to modified_in_p in
3492 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
3494 * expr.c (expand_builtin_setjmp): Accept two new arguments for
3495 the labels to branch to on first and subsequent executions. Don't
3496 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
3497 and provide it with the jmp_buf. Use only one of
3498 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
3499 and provide the former with the target label.
3500 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
3501 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
3502 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
3503 insn to replace all of the normal nonlocal_goto code. Don't play
3504 with __dummy. Correct arguments to nonlocal_goto.
3505 * expr.h (expand_builtin_setjmp): Update prototype.
3506 * except.c (start_dynamic_handler): When using builtin_setjmp,
3507 generate more accurate flow information.
3509 * alpha.md (nonlocal_goto_receiver_osf): Delete.
3510 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
3511 (builtin_longjmp, builtin_setjmp_receiver): New.
3512 * sparc.md (update_return): Disambiguate unspec number.
3513 (nonlocal_goto): Rearrange arguments to match caller in except.c.
3514 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
3516 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
3517 (builtin_setjmp_setup*, builtin_longjmp): New.
3519 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
3521 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
3523 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
3525 * vmsconfig.com: Remove bytecode references.
3527 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3529 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
3530 -fno-sjlj-exceptions works for a target that defines
3531 DWARF2_UNWIND_INFO as zero.
3533 * regmove.c (fixup_match_1): Undo last change which removed some
3534 "useless" code, and add a comment explaining this.
3536 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
3538 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
3541 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
3543 * makefile.vms: Remove bytecode references.
3544 Create genrtl files.
3546 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
3548 * jump.c (jump_optimize): Allow conditional loading of floating point
3549 constants and constants from memory. Reinstalled modified_in_p tests.
3551 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3553 * loop.c (get_condition): Handle sign-extended constants.
3555 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
3557 * expr.c (emit_push_insn): Add code to use movstrti if present.
3559 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
3560 and movstrqi as in emit_block_move ().
3562 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3564 * config/m68k/x-next: Remove /NextDeveloper/Headers from
3565 the directories to fixinclude - /usr/include is a link
3566 to it and hence its contents are fixed by default.
3568 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
3570 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
3572 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
3574 * cccp.c (main): Predefine __VMS_VER on VMS.
3576 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3578 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
3579 * fold-const.c (size_int): Replace with
3581 (make_bit_field_ref): Use bitsize_int for bit position.
3582 * stor-layout.c (sizetype): Delete.
3583 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
3584 (layout_record, layout_union, layout_type):
3585 Use bitsize_int for bit size.
3586 (set_sizetype): New function.
3587 (make_signed_type, make_unsigned_type): Use it.
3588 * c-decl.c (init_decl_processing): Likewise.
3589 * tree.h (size_int): Don't delcare, #define.
3590 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
3591 (set_sizetype): Declare.
3592 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
3594 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
3595 Convert result to sizetype.
3596 (really_start_incremental_init, push_init_level):
3597 Set type of constructor_bit_index to sbitsizetype.
3598 (push_init_level): Use unsigned arithmetic to determine padding.
3599 (output_init_element): Likewise.
3601 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
3603 * combine.c (simplify_shift_const): Fix typo in last change.
3605 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
3607 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
3608 is (truncate (lshiftrt)).
3610 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
3612 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
3613 Make sure result winds up in TGT.
3614 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
3615 src to be other than DImode.
3616 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
3617 (alpha_expand_unaligned_store_words): Likewise.
3618 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
3619 that source and destination are separately optimized for alignment.
3620 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
3622 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
3624 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
3625 with handling of -32768.
3627 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3629 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
3630 shell variable argument instead of only hard coded functions.
3631 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
3633 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
3634 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
3635 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
3636 declarations for bcopy, bcmp and bzero.
3638 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
3640 * gansidecl.h: If we have bcopy but don't declare it, then do so.
3641 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
3642 bzero, index and rindex if they aren't already present.
3644 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
3646 * toplev.c (close_dump_file): Wrap function prototype for
3647 argument "func" in PROTO.
3648 (dump_rtl): Likewise.
3650 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
3652 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
3654 (output_function_epilogue): Omit epilogue if nothing drops through.
3655 (output_move_double): Supress int ldd usage on ultrasparc and v9.
3656 (registers_ok_for_ldd_peep): Likewise.
3657 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
3658 (ultrasparc_adjust_cost): New function.
3659 (sparc_issue_rate): New function.
3660 * sparc.h (MASK_VIS, TARGET_VIS): New
3661 (MASK_V8PLUS, TARGET_V8PLUS): New.
3662 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
3663 (TARGET_SWITCHES): Add vis and v8plus.
3664 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
3665 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
3666 (RTX_COSTS): Use TARGET_HARD_MUL
3667 (ADJUST_COST): Call ultrasparc_adjust_cost.
3669 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
3670 of load & fp appropritely.
3671 (supersparc function units): Adjust for Haifa.
3672 (ultrasparc function units): Likewise.
3673 (get_pc_via_rdpc): All v9, not just arch64.
3674 (movdi_v8plus, movdi_v8plus+1): New.
3675 (adddi3_sp32+1): New.
3676 (subdi3_sp32+1): New.
3677 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
3678 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
3679 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
3680 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
3681 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
3682 (ldd peepholes): Suppress for v9.
3683 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
3684 (return_subsi): Revmove.
3686 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
3688 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
3689 save/restore MEM rtl.
3691 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
3693 * configure.in: Check for declaration of abort.
3694 * acconfig.h: Corresponding changes.
3695 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
3698 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
3700 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
3703 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
3705 * version.c: Bump for snapshot.
3707 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
3709 * configure.in: Check for atoq and atoll.
3710 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
3711 proper routine for converting ascii into long long values.
3713 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
3715 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
3717 * vmsconfig.com: Remove bytecode references.
3719 * alpha/vms.h (PREFIX): Define.
3721 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
3723 * am-alpha.h: Don't include alloca for OPEN_VMS.
3725 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
3727 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
3728 (GCC_INCLUDE_DIR): Define
3730 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
3731 * makefile.vms: New file.
3733 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
3735 * alpha.c (output_prolog): Output '.name' directive
3736 for minimal traceback information.
3738 * alpha.c (output_prolog): Don't prepend entry point symbols
3739 with '$' on OPEN_VMS.
3741 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
3742 Jeffrey A Law (law@cygnus.com)
3744 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
3747 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
3749 * genemit.c (gen_exp): Likewise.
3750 * genpeep.c (match_rtx): Likewise.
3751 * genrecog.c (write_tree_1): Likewise.
3753 * c-lex.c (yyprint): Use proper format string based upon
3754 disposition of HOST_BITS_PER_WIDE_INT.
3755 (yylex): Put casts in right place for args to build_int_2.
3757 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
3759 * combine.c: Fix typos in Jan27 changes.
3761 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
3763 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
3764 (LINK_SPEC): Likewise.
3765 (STARTFILE_SPEC): Likewise.
3767 1998-01-28 Mike Stump <mrs@wrs.com>
3769 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
3771 * genattrtab.c (reload_completed): Define.
3773 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
3776 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3778 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
3779 SUBREG_REG if the word count is unchanged, also in the input reload
3780 case. Disable non-applicable sanity checks.
3782 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
3784 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
3786 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
3788 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
3790 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
3792 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
3793 is a TREE_VEC before trying to use it for baseclasses.
3794 (Chill uses the same field for a different purpose.)
3796 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
3798 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
3800 * config.sub: More accurate determination of HP processor types.
3802 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3804 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
3805 prototype for `handle_sysv_pragma', and make it static. Add
3806 parentheses around assignment used as truth value.
3808 * combine.c (combine_instructions): Protect variable `prev' with
3810 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
3811 (extract_left_shift): Add parentheses around operand of &.
3812 (merge_outer_ops): Avoid an empty body in an else-statement.
3813 (gen_rtx_combine): Remove unused variable `i'.
3815 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
3816 function monstartup `void'. Likewise for internal_mcount. Add
3817 `static void' prototype for moncontrol. Reconcile sprintf format
3820 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
3821 Make return type of function_arg_slotno explicitly `int'.
3822 (reg_unused_after): Add parentheses around assignment used as
3824 (save_regs): Add explicit braces to avoid ambiguous `else'.
3825 (function_arg_slotno): Add parentheses around && within ||.
3826 (function_arg_pass_by_reference): Likewise.
3827 (sparc_flat_output_function_prologue): Reconcile fprintf format
3830 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
3831 assignment used as truth value.
3833 * cplus-dem.c: Include <stdlib.h>.
3834 (demangle_signature): Avoid an empty body in an else-statement.
3835 (do_type): Remove unused variable `lvl'.
3837 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
3838 Include <string.h>/<strings.h>.
3839 (cpp_lex): Remove unused variable `namelen'.
3840 (cpp_lex): Explicitly declare `num_chars' as an int.
3842 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
3843 <unistd.h> instead. Explicitly declare is_system_include
3845 (make_assertion): Remove unused variable `kt'.
3846 (cpp_expand_to_buffer): Hide variable `obuf'.
3847 (output_line_command): Remove unused variables, `line_end',
3848 `line_cmd_buf' and `len'.
3849 (macarg): Remove unused variable `arg_start'.
3850 (special_symbol): Remove unused variable `i'. Add parentheses
3851 around assignment used as truth value.
3852 (do_include): Remove unused variables `pcfname' and `retried',
3853 hide `pcf' and `pcfbuflimit'.
3854 (do_line): Remove unused variable `i'.
3855 (finclude): Hide variable `missing_newline'.
3856 (cpp_handle_options): Remove unused variable `j'.
3857 (read_token_list): Remove unused variable `eofp'.
3858 (cpp_error_with_line): Remove unused variable `i'.
3859 (cpp_warning_with_line): Likewise.
3860 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
3861 (cpp_error_from_errno): Remove unused variable `i'.
3863 * cse.c (invalidate): Add parentheses around assignment used as
3865 (find_best_addr): Move declaration of variable `our_cost' inside
3866 the conditional macro where its used.
3867 (fold_rtx): Avoid an empty body in an if-statement.
3868 (cse_insn): Wrap variables `this_insn_cc0_mode' and
3869 `this_insn_cc0' in macro HAVE_cc0.
3871 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
3872 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
3873 (output_uleb128): Likewise.
3874 (output_sleb128): Likewise.
3875 (output_cfi): Likewise.
3876 (output_call_frame_info): Remove unused variables `j', `fde_size'
3878 (comp_unit_has_inlines): Hide declaration as per rest of file.
3879 (size_of_line_prolog): Correct typo in prototype.
3880 (add_arange): Likewise.
3881 (output_aranges): Likewise.
3882 (add_name_and_src_coords_attributes): Likewise.
3883 (gen_array_type_die): Likewise.
3884 (gen_inlined_subroutine_die): Likewise.
3885 (equate_decl_number_to_die): Remove unused variable `i'.
3886 (print_die): Reconcile format vs. args in fprintf's.
3887 (print_dwarf_line_table): Likewise.
3888 (output_die): Likewise.
3889 (output_line_info): Likewise.
3890 (add_subscript_info): Avoid an empty body in an else-statement.
3891 (gen_subprogram_die): Remove unused variable `fp_loc'.
3893 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
3894 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
3895 macro. Protect `src_coords_attribute' prototype with
3896 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
3897 prototype as in the rest of the file. Likewise for
3898 `output_pointer_type_die' and `output_reference_type_die'. Remove
3899 prototype for `type_of_for_scope'.
3900 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
3901 (type_attribute): Add explicit braces to avoid ambiguous `else'.
3903 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
3904 (shorten_branches): Protect declaration of tmp_length with
3905 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
3906 (profile_function): Protect declaration of `sval' and `cxt'
3907 variables with appropriate macros.
3908 (final_scan_insn): Likewise for `note' variable. Add explicit
3909 braces to avoid empty body in an if-statement.
3910 (output_asm_insn): Move variable `i' inside macro conditional
3911 where it is used. Add parentheses around assignment used as truth
3913 (asm_fprintf) Likewise, likewise.
3915 * fix-header.c (main): Remove unused variable `done'. Protect
3916 declaration of `i' with FIXPROTO_IGNORE_LIST.
3918 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
3920 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
3923 * profile.c: Include <string.h>/<strings.h>.
3924 (instrument_arcs): Remove unused variables `note', `inverted',
3925 `zero' and `neg_one'.
3926 (branch_prob): Avoid empty body in an if-statement.
3928 * regclass.c: Include <stdlib.h>.
3929 (reg_alternate_class): Explicitly declare parameter `regno'.
3931 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
3932 parentheses around assignment used as truth value.
3933 (find_matches): Remove unused variables `output_operand' and
3935 (fixup_match_1): Remove statement with no effect: "if (0) ;".
3937 * scan.c (sstring_append): Explicitly declare `count' as int.
3938 (scan_string): Explicitly declare parameter `init' as int.
3940 * sched.c: Include <stdlib.h>.
3941 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
3942 (rank_for_schedule): Add parentheses around assignment used as
3944 (schedule_block): Likewise.
3945 (regno_use_in): Likewise.
3946 (schedule_insns): Remove unused variable `i'.
3948 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
3949 (v_message_with_decl): Remove unused variable `n'.
3950 (botch): Explicitly declare parameter `s' as char *.
3951 (main): Add parentheses around assignment used as truth value.
3953 * tree.c (make_node): Protect the variable `kind' with the
3954 GATHER_STATISTICS macro.
3955 (real_value_from_int_cst): Move variable `e' inside conditional
3956 macro area where it is used.
3957 (tree_last): Add parentheses around assignment used as truth value.
3958 (build1): Protect the variable `kind' with the GATHER_STATISTICS
3960 (print_obstack_statistics): Reconcile format vs. args in fprintf.
3961 Protect variables `i', `total_nodes', and `total_bytes' with the
3962 GATHER_STATISTICS macro.
3964 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
3966 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
3967 some comments regarding use of dead_or_set_p.
3969 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
3971 * fixincludes: Tweak fix for struct exception in math.h
3973 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
3975 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
3976 Change mode of registers used to add/sub from
3977 hard_frame_pointer_rtx from word_mode to Pmode.
3979 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
3981 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
3982 asm_output_aligned_bss() instead of asm_output_bss().
3984 * toplev.c (rest_of_compilation): Replace references to
3985 stack_reg_dump_file and dbr_sched_dump_file with references to
3988 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3990 * tlink.c (scan_linker_output): Call fclose() for opened files.
3992 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
3994 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
3995 compiling with -fpic -- we want to be able to override symbols
3997 (alpha_expand_block_move): Fix thinko in last change.
3999 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
4000 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
4001 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
4003 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
4005 * alpha.md (abssf, absdf): Revert last change.
4007 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
4009 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
4010 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
4012 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
4014 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
4015 a CONST_INT into SFmode.
4017 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
4019 * flags.h: New flag (optimize_size).
4020 * toplev.c (main): Parse -Os option and set optimize_space
4022 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
4023 __OPTIMIZE_SIZE__ when compiling with -Os.
4024 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
4025 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
4026 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
4028 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
4030 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
4032 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
4033 stuff only if MCT_TEXT is #define'd.
4035 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
4037 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
4040 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
4042 * toplev.c: Add -dM command line option to dump RTL after the
4043 machine dependent reorganisation pass, if there is one.
4044 Reorganise RTL dump code, so that only one file handle is
4047 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
4049 * except.c (check_exception_handler_labels): Disable warning when
4052 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
4054 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
4056 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4058 * c-decl.c (grokdeclarator): Get parameter tags from
4059 last_function_parm_tags.
4060 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
4061 traversing the parameter types.
4062 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
4064 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
4066 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
4068 (get_shift_alg): Fix typo.
4070 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
4072 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
4074 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
4076 * toplev.c (get_run_time): Make sure each case gets its variables.
4078 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
4080 * configure.in (build_xm_file): Add auto-config.h if host=build.
4081 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
4082 (build_xm_file_list): Likewise.
4083 * configure: Rebuild.
4085 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
4087 * recog.c (validate_replace_rtx_1): Only perform substitutions
4088 of arguments to commutative and comparison operators once.
4090 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4092 * sparc.c (output_cbranch): Add default case in
4095 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
4096 (emit_delay_sequence): Eliminate unused parameter, all callers
4098 (fill_simple_delay_slots): Likewise.
4099 (fill_slots_from_thread): Likewise.
4100 (fill_eager_delay_slots): Likewise.
4101 (mark_referenced_resources): Add default case in enumeration switch.
4102 (mark_set_resources): Likewise.
4103 (rare_destination): Likewise.
4104 (mostly_true_jump): Likewise.
4105 (find_dead_or_set_registers): Likewise.
4106 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
4107 (update_reg_unused_notes): Remove unused variable `p'.
4108 (mark_target_live_regs): Remove unused variables `next' and
4110 (fill_simple_delay_slots): Remove unused variable `j'.
4111 (fill_slots_from_thread): Add parentheses around assignment used
4113 (dbr_schedule): Likewise.
4115 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
4116 (objc.stage2, objc.stage3, objc.stage4): Likewise.
4118 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
4120 * cse.c (simplify_ternary_operation): Don't try to simplify
4121 IF_THEN_ELSE expressions (created by combine) that don't use
4122 relational operators.
4124 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
4126 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
4129 * crtstuff.c (init_dummy): Keep the epilogue in the init
4130 section for non-ELF systems.
4132 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4134 * sh.md (movqi_i+1): New peephole.
4136 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
4138 * Makefile.in: Remove remaining bytecode stuff.
4139 * emit-rtl.c, expr.c: Likewise.
4141 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
4143 * toplev.c (lang_options): Add unknown-pragma options.
4145 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
4147 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
4148 special (and incomplete) handling for Chill arrays.
4150 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
4152 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
4155 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
4157 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
4159 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
4161 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
4162 .frame directive instead of FRAME_POINTER_REGNUM.
4164 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
4166 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
4167 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
4168 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
4169 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
4170 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
4171 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
4172 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
4173 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
4175 * longlong.h: Replace __mc68332__ with __mcpu32__.
4177 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
4179 * version.c: Bump for snapshot.
4181 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
4183 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
4184 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
4185 * reload1.c (eliminate_regs): Likewise.
4187 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
4189 * regmove.c (find_matches): Initialize matches->earlyclobber too.
4191 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
4193 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
4194 (negsf2, negdf2): Use proper subtract in IEEE mode.
4196 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
4198 * Makefile.in: Remove more bytecode stuff.
4199 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
4200 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
4201 * f/install.texi, objc/Make-lang.in: Likewise.
4203 * Makefile.in: Remove all bytecode support.
4204 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
4205 * emit-rtl.c: Remove all bytecode support.
4206 * expr.c, expr.h function.c, integrate.c: Likewise.
4207 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
4208 * tree.h, varasm.c: Likewise.
4209 * config/m68k/m68k.h: Likewise.
4210 * bi-*, bc-*, bytecode*: Delete bytecode related files.
4211 * modemap.def: Likewise.
4213 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
4215 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
4216 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
4218 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
4220 * i386.md (push): Prohibit symbolic constants if flag_pic.
4221 (movsi+1): Likewise for move to non-register.
4223 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
4225 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
4226 (print_operand): Handle 0xffffffff on 32 bit host.
4228 * configure.in (thread_file): Rename uses before main loop to
4229 target_thread_file. Initialize to empty in main loop. Set thread_file
4230 to target_thread_file after main loop if not set.
4231 * configure: Rebuild.
4233 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
4234 (add_values_to_cover): Revert last change (which had no ChangeLog
4236 (simplify_with_current_value_aux): Handle CONST_INT.
4238 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4240 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
4242 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
4244 * configure.in: Add cpp stringify test.
4245 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
4246 * gengenrtl.c: Use it.
4247 * configure, config.in: Rebuild.
4249 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4251 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
4253 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
4255 * configure.in: Find declaration for sbrk.
4256 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
4257 * config.in, configure: Rebuild.
4258 * mips-tfile.c: Properly protect declaration of sbrk and free.
4259 * toplev.c: Properly protect declaration of sbrk.
4261 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
4263 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
4265 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
4267 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
4269 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
4271 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
4273 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
4275 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
4276 constant offset computations from objects with known alignment in
4277 the presence of STACK_BIAS.
4279 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
4281 (const_hash): Hash val is unsigned long.
4282 (SYMHASH): Likewise.
4284 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
4286 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
4287 char pointer, not HOST_WIDE_INT.
4288 (print_node): Likewise. Also hash is unsigned long not
4291 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
4293 * explow.c (optimize_save_area_alloca): New function for targets
4294 where SETJMP_VIA_SAVE_AREA is true.
4295 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
4296 compute the amount of stack space needed should we find later that
4297 setjmp is never called by this function, stuff rtl for this inside
4298 a REG_NOTE of the final SET of stack_pointer_rtx.
4299 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
4300 current_function_calls_alloca, call optimize_save_area_alloca.
4302 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
4304 * i386.md: Remove redundant integer push patterns.
4305 Don't bother checking for TARGET_PUSH_MEMORY when
4306 pushing constants or registers.
4308 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
4309 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
4311 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
4312 (pwait): New function for mingw32.
4314 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
4315 pipe support is broken for now.
4317 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
4319 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
4320 between frame_pointer_rtx, hard_frame_pointer_rtx, and
4321 arg_pointer_rtx is respected in initialization.
4322 (init_emit_once): Use gen_rtx_raw_REG() to create
4323 return_address_pointer_rtx.
4325 * reorg.c: #include "expr.h" for rtx prototypes.
4326 * Makefile.in (reorg.o): Depend on expr.h
4328 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
4330 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
4331 local_prefix to sub-make invocations.
4333 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
4335 * objc-parse.c: Recognize protocol qualifiers in class definitions.
4337 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
4341 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
4342 * configure.in: Check for atol.
4343 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
4345 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
4347 * loop.c (find_and_verify_loops): When attempting to move insns from
4348 inside the loop outside the loop, create a BARRIER if no suitable
4351 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
4352 favor of an equivalent change from gcc-2.8.
4354 * i386/x-sco5 (CC): Remove trailing whitespace.
4356 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4358 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
4359 (accessor_from_format): Likewise.
4360 (xmalloc): New function for use when linking with alloca.o.
4362 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4364 * frame.c (find_fde): Correct FDE's upper bound.
4366 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
4368 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
4370 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
4372 * calls.c (expand_call): Move #ifdef code out of macro argument
4374 (emit_library_call, emit_library_call_value): Likewise.
4376 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
4378 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
4380 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
4382 * version.c: Bump for snapshot.
4384 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
4386 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
4387 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
4388 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
4389 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
4390 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
4391 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
4392 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
4393 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
4394 * unroll.c, varasm.c: Likewise.
4395 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
4397 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
4399 * mips.h: Fix some type-o's from a previous change.
4401 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
4403 * loop.c (check_dbra_loop): Make sure initial value is a
4404 CONST_INT before trying to normalize it.
4406 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
4408 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
4410 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
4412 * cppexp.c: Include gansidecl.h
4414 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
4416 * svr4.h (LINK_SPEC): Never specify -h.
4417 * ptx4.h (LINK_SPEC): Likewise.
4418 * rs6000/sysv4.h (LINK_SPEC): Likewise.
4419 * sparc/sol2.h (LINK_SPEC): Likewise.
4421 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
4423 * c-typeck.c (comptypes): Exit early on NULL input.
4425 * haifa-sched.c (schedule_insns): Correctly remove inter-block
4426 dependencies after reload.
4428 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
4430 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
4432 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
4434 * alpha/vms.h (DIR_SEPARATOR): define
4436 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4438 * Makefile.in (stamp-proto): Remove.
4439 (protoize.o, unprotoize.o): Straightforward compile.
4440 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
4442 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
4444 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
4445 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
4447 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
4449 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
4450 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
4451 * sparc/netbsd.h, vax/netbsd.h: Likewise.
4453 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
4455 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
4457 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
4459 * configure.in (target_cpu_default, target_cpu_default2): Use double
4460 quotes around them when testing their value.
4461 * configure: Rebuilt.
4463 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
4465 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
4467 (gendef): Call obstack_alloc_rtx.
4469 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
4471 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
4474 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
4476 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
4477 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
4478 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
4480 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
4482 * mips.md (return_internal): Change mode from SImode to VOIDmode.
4484 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
4486 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
4489 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
4491 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
4492 suffix from operand 3.
4494 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4495 Jeffrey A Law (law@cygnus.com)
4497 * regmove.c: New implementation of regmove pass.
4498 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
4499 decls, make them have external linkage. Return a value from
4500 optimize_reg_copy_1.
4501 * reload.h (count_occurrences): Add decl.
4502 * reload1.c (count_occurrences): Delete decl, make it have external
4504 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
4506 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
4508 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
4509 if it is not defined.
4511 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
4513 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
4514 * emit-rtl.c (gen_rtx): Move special code to ...
4515 (gen_rtx_CONST_INT): New function.
4516 (gen_rtx_REG): New function.
4517 (*): Update all calls to gen_rtx.
4518 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
4519 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
4520 (GEN_INT): Call gen_rtx_CONST_INT.
4521 * gengenrtl.c: New file.
4523 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
4525 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
4526 (base_alias_check): If no base found for address call canon_rtx and
4529 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
4531 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
4532 arguments for mips16.
4533 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
4534 Don't lose if tsize is zero after handling large stack for mips16.
4535 * mips.md (return): For trivial return, return address is in $31.
4537 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
4539 * mips/mips16.S: Various changes to make it work with -msingle-float
4542 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
4543 Ian Lance Taylor <ian@cygnus.com>
4544 Jeff Law <law@cygnus.com>
4546 * mips.c, mips.h, mips.md: First cut at merging in mips16
4547 support. Major modifications throughout all three files.
4549 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
4551 * configure.in: Make gthr-default.h a forwarding header instead of
4554 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4556 * gcov-io.h: Include sys/types.h to ensure we get size_t.
4558 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
4560 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
4561 Jeffrey A Law (law@cygnus.com)
4563 * crtstuff.c (__frame_dummy): New function for irix6.
4564 (__do_global_ctors): Call __frame_dummy for irix6.
4565 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
4567 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
4569 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
4571 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
4573 * c-decl.c (init_decl_processing): Provide proper fallback symbol
4574 for __builtin_memset.
4575 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
4576 not INTEGER_CST. Assert arg 3 is a constant.
4578 * alpha.c (mode_width_operand): Accept 64-bit modes.
4579 (mode_mask_operand): Likewise.
4580 (print_operand): Likewise for 'M' and 'U' codes.
4581 (alpha_expand_unaligned_load): New function.
4582 (alpha_expand_unaligned_store): Likewise.
4583 (alpha_expand_unaligned_load_words): Likewise.
4584 (alpha_expand_unaligned_store_words): Likewise.
4585 (alpha_expand_block_move): Likewise.
4586 (alpha_expand_block_clear): Likewise.
4587 * alpha.h (MOVE_RATIO): New define.
4588 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
4589 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
4591 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
4592 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
4594 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
4596 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
4597 * configure: Update.
4599 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
4601 * emit-rtl.c (operand_subword): Correctly handle extracting a word
4602 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
4604 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
4607 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
4609 * configure.in: Set and subsitute host_exeext. Use it when creating
4610 the assembler and linker symlinks.
4611 * configure: Rebuild.
4612 * Makefile.in (exeext): Set to @host_exeext@.
4613 (build_exeext): New variable, set to @build_exeext@.
4614 (FLAGS_TO_PASS): Pass down build_exeext.
4615 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
4618 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
4620 * mn10200.md (addsi3, subsi3): Fix thinkos.
4622 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
4624 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
4625 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
4626 unix always, since we want to be able to thunk to functions in a
4627 shared library from an application.
4629 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
4631 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
4632 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
4634 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
4636 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
4637 offset's mode is not ptr_mode, convert it.
4639 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
4641 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
4642 compiling if it was already defined.
4644 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
4646 * flow.c (find_basic_blocks): Don't create a new basic block
4647 for calls in a LIBCALL block.
4649 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
4651 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
4653 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
4655 * cse.c (rtx_cost): Remove conflicting default case.
4657 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
4659 * configure.in: Move default enabling of Haifa out of for loop.
4660 * configure: Rebuild.
4662 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
4664 * version.c: Bump for snapshot.
4666 1997-12-25 Teemu Torma <tot@trema.com>
4668 * Makefile.in (GTHREAD_FLAGS): New var.
4669 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
4670 (distclean): Remove gthr-default.h.
4672 * configure.in: Accept dce as a thread package.
4673 Check for thread.h and pthread.h.
4674 Link gthr-default.h to appropriate thread file and set
4676 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
4677 include multilib definitions from pa/t-dce-thr.
4678 (sparc-*-solaris2*): Enable threads by default, if thread.h or
4679 pthread.h is found, preferring posix threads over solaris ones.
4681 * config/pa/t-dce-thr: New file.
4682 * config/pa/t-pa: Removed multilibs.
4683 * config/sparc/t-sol2: Ditto.
4686 * gthr-single.h: New file.
4687 * gthr-posix.h: New file.
4688 * gthr-solaris.h: New file.
4689 * gthr-dce.h: New file.
4690 * libgcc-thr.h: Removed.
4691 * objc/thr-dce.c: New file copied from thr-decosf1.c.
4693 * frame.c: Include gthr.h instead of libgcc-thr.h.
4694 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
4695 (eh_context_initialize): If __gthread_once fails, use static eh
4697 (eh_context_free): Call __gthread_key_dtor.
4699 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
4701 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
4703 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
4705 * cse.c (max_insn_uid): New variable.
4706 (cse_around_loop): Use max_insn_uid.
4707 (cse_main): Set max_insn_uid.
4709 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
4710 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
4711 -mlong64, and -mgp{32,64} options.
4712 * mips.c (mips_abi): Change type to int.
4713 * mips.h (enum mips_abi_type): Delete.
4714 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
4715 (mips_abi): Change type to int.
4717 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
4719 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
4720 optimization is now always enabled.
4722 * calls.c (expand_call): Recognize C++ operator new as malloc-like
4725 * alias.c (memrefs_conflict_p): Eliminate tests now done by
4727 (*_dependence): Call canon_rtx before base_alias_check.
4728 (init_alias_once): New function to precompute set of registers which
4729 can hold Pmode function arguments.
4731 * rtl.h: Declare init_alias_once.
4733 * toplev.c (compile_file): Call init_alias_once.
4735 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
4737 * tree.c (restore_tree_status): Do not dereference a null pointer.
4739 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
4741 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
4742 RLIMIT_STACK. This maintains consistency with the recent, similar
4743 patch to cccp.c and toplev.c.
4745 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
4747 * genattrtab.c (expand_units): For large nr opclasses, expand
4748 function_units_used with ORX to prevent blowups. Tag with FFS.
4749 (num_unit_opclasses): New variable.
4750 (gen_unit): Update it.
4751 (enum operator): Add ORX_OP.
4752 (operate_exp): Treat ORX as or, except don't expand across an if.
4753 Reuse number rtx's after operating on them.
4754 (check_attr_value): Accept IOR, AND, & FFS.
4755 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
4756 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
4757 (write_expr_attr_cache, write_toplevel_expr): New functions.
4758 (write_attr_get): Handle FFS-tagged expressions.
4759 (make_canonical): Don't expand const attributes.
4760 (convert_const_symbol_ref): Dike out.
4761 (evaluate_eq_attr): Handle SYMBOL_REF.
4762 (main): Don't emit get_attr_foo for const attributes.
4764 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
4765 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
4766 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
4767 * alpha.md: Redo all of the scheduling, adding EV6 support, and
4768 combining function units where possible.
4769 (attr "type"): Split loads, stores, cmov into int/fp. Combine
4770 multiplies and divides. Add EV6 sqrt, ftoi, itof.
4771 (attr "opsize"): New attribute.
4772 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
4773 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
4774 to control register allocation.
4775 (movsi2-1, movdi2-1): Likewise.
4777 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
4779 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
4780 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
4781 Move OSF/1 specific defines out.
4782 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
4783 Move Linux specific defines out.
4784 (LINK_SPEC): Genericize.
4785 (ASM_FILE_START): Emit .arch if using more than the base insn set.
4786 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
4787 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
4788 (HANDLE_SYSV_PRAGMA): Define.
4789 * alpha/osf.h: New file.
4790 * alpha/linux.h: Split. Retain file-format independant defines.
4791 Import Linux bits from elf.h.
4792 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
4793 (FUNCTION_PROFILER): _mcount takes its address in $28.
4794 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
4795 * alpha/linux-ecoff.h: New file.
4796 * alpha/linux-elf.h: New file.
4797 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
4798 * alpha/win-nt.h (TARGET_DEFAULT): Define.
4799 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
4800 Add new headers as appropriate.
4802 * configure.in (alpha*): Enable Haifa by default.
4803 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
4804 * configure: Rebuild.
4806 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
4808 * Makefile.in (clean): Remove the stages with their objects here ...
4809 (distclean): ... instead of here.
4811 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4813 * cse.c (rtx_cost): Add default case in enumeration switch.
4814 * fix-header.c (recognized_macro): Likewise.
4815 (recognized_extern): Likewise.
4816 (write_rbrac): Likewise.
4817 * objc/objc-act.c (encode_aggregate): Likewise.
4818 (gen_declarator): Likewise.
4819 (gen_declspecs): Likewise.
4821 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
4823 * haifa-sched.c (create_reg_dead_note): Detect and handle another
4824 case where we kill more regs after sched than were killed before
4826 * sched.c (create_reg_dead_note): Similarly.
4828 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
4830 * c-pragma.c: Include flags.h.
4832 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
4834 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
4835 about system headers.
4836 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
4837 and also to resolve symbols in prefix.c.
4839 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
4840 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
4841 when the definitions in auto-config.h is not visible.
4842 (HAVE_BZERO): Likewise.
4843 (HAVE_BCMP): Likewise.
4844 (HAVE_RINDEX): Likewise.
4845 (HAVE_INDEX): Likewise.
4847 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
4849 * pa.c (emit_move_sequence): Handle a function label source
4852 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
4854 * c-pragma.c (handle_pragma_token): Generate warning messages
4855 about unknown pragmas if warn_unknown_pragmas is set.
4857 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
4858 line option to set variable: warn_unknown_pragmas.
4860 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
4862 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
4864 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
4866 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
4868 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
4869 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
4870 generate more fine grained floating point emulation libraries.
4871 * config/fp-bit.c: Add protecting #ifdef to all functions so
4872 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
4873 then compile all suitable functions.
4874 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
4875 underscores to avoid namespace pollution.
4876 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
4878 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
4882 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4883 Jeff Law <law@cygnus.com>
4885 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
4887 * c-decl.c (finish_decl): Use parentheses around && within ||.
4888 * rtl.c: Include stdlib.h.
4889 (read_skip_spaces): Add parentheses around assignments used as
4891 (read_rtx): Initialize list_rtx.
4892 * cppexp.c (parse_number): Use || when operands are truth values.
4893 * alias.c (find_base_value): Add default case.
4894 (memrefs_conflict): Likewise.
4895 * combine.c (sets_function_arg_p): Likewise.
4896 * genemit.c (gen_exp): Likewise.
4897 * local-alloc.c (contains_replace_regs): Likewise.
4898 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
4899 * fold-const.c (fold_convert): Use "&&" for truth values.
4900 (fold): Add default case.
4901 * sdbout.c (sdbout_field_types): Fix typo in declaration.
4902 (sdbout_one_type): Add default case.
4903 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
4904 (some_operand): Add default case.
4905 (input_operand): Likewise.
4906 (signed_comparison_operator): Likewise.
4907 (divmod_operator): Likewise.
4908 (alpha_set_memflags_1): Likewise.
4909 * reload1.c (reload_cse_simplify_operands): Ensure function
4910 always returns a value.
4911 * scan-decls.c (scan_decls): Likewise.
4912 * c-lex.c (skip_white_space): Fix typo in declaraion.
4913 * c-typeck.c (comp_target_types): Add parentheses around assignment
4914 used as truth value.
4915 (print_spelling): Likewise.
4916 (constructor_implicit, constructor_result): Remove unused variables.
4917 * collect2.c (scan_library): Protect prototype with
4918 #ifdef SCAN_LIBRARIES.
4919 * emit-rtl.c (find_line_note): Fix typo in declaration.
4920 * final.c (asm_insn_count): Protect prototype with
4921 #ifdef HAVE_ATTR_length.
4922 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
4923 (try_pre_increment_1, try_pre_increment): Likewise.
4924 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
4925 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
4926 * gcov-io.h (__store_long, __write_long, __read_long): Fix
4927 unsigned/signed comparisons.
4928 * gcov.c (read_files): Remove unused "first_type" variable.
4929 (scan _for_source_files): Initialize s_ptr.
4930 (function_summary): Eliminate "%lf" formatting, use %ld for
4932 (output_data): Initialize branch_probs and last_line_num.
4933 Eliminate "%lf" formatting, use "%ld" for longs.
4935 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
4937 * mips16.S: New file.
4939 * libgcc2.c (varargs): Handle mips16.
4941 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
4943 * stmt.c (expand_end_case): Likewise.
4944 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
4945 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
4946 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
4948 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4950 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
4951 the build directory.
4952 (libobjc.a): Update dependency list.
4953 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
4955 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
4956 (objc.mostlyclean): Remove runtime-info.h.
4958 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
4960 * tree.c (build_range_type): Allow creation of ranges with no maximum.
4961 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
4962 * dwarf2out.c (add_subscript_info): Likewise.
4963 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
4964 * sdbout.c (plain_type_1): Likewise.
4965 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
4967 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
4970 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4972 * mips.c (fatal): Remove declaration.
4974 1997-12-18 Mark Mitchell <mmitchell@usa.net>
4976 * integrate.c (get_label_from_map): New function.
4977 (expand_inline_function): Use it. Initialize the label_map to
4978 NULL_RTX instead of gen_label_rtx.
4979 (copy_rtx_and_substitute): Use get_label_from_map.
4980 * integrate.h (get_label_from_map): New function.
4981 (set_label_from_map): New macro.
4982 * unroll.c (unroll_loop): Use them.
4983 (copy_loop_body): Ditto.
4985 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
4987 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
4988 (INIT_TARGET_OPTABS): Define.
4989 * mips/ecoff.h: Include gofast.h before mips.h.
4990 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
4991 * mips/elf64.h: Likewise.
4992 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
4994 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
4996 * except.c: Remove register_exception_table{,_p}.
4998 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
5000 * unroll.c (calculate_giv_inc): Handle constant increment found in
5001 a MEM with an appropriate REG_EQUAL note.
5003 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
5005 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
5006 frame pointer in the prologue.
5008 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
5010 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
5011 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
5013 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
5015 * config/m68k/m68k.c (output_function_prologue): Typecast
5016 dwarf2out_cfi_label to (char *).
5017 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
5019 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
5021 * sparc.md (jump): Don't use the annul bit around an empty loop.
5022 Patch from Kevin.Kelly@East.Sun.COM.
5024 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
5026 * jump.c: (jump_optimize): Don't use the return register as a
5027 source1 of a conditional move.
5029 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
5031 * sparc.c (DF_MODES): Or the mask not the bit number.
5032 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
5034 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
5036 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
5038 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
5040 * fixincludes (size_t): Add support for Motorola's stdlib.h
5041 which fails to provide a definition for size_t.
5042 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
5043 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
5044 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
5046 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
5047 prevent unresolved externals in libio.
5048 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
5050 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
5052 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
5053 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
5054 (LIB_SPEC): Updated for glibc 2.
5056 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
5058 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
5059 * ginclude/varargs.h: Likewise.
5061 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
5063 * version.c: Bump for snapshot.
5065 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
5067 * frame.h (__register_frame, __register_frame_table,
5068 __deregister_frame): New.
5069 * frame.c (__register_frame, __register_frame_table,
5070 __deregister_frame): New.
5071 * frame.c (__deregister_frame_info): Return void *.
5072 * frame.h (__deregister_frame_info): Ditto.
5073 * collect2.c (__deregister_frame_info): Ditto.
5075 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
5077 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
5079 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
5081 * alpha.c (alpha_cpu_name): New variable.
5082 (alpha_mlat_string): Likewise.
5083 (alpha_memory_latency): Likewise.
5084 (override_options): Handle -mmemory-latency.
5085 (alpha_adjust_cost): Adjust load cost for latency.
5086 * alpha.h (TARGET_OPTIONS): Add meory-latency.
5087 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
5088 TARGET_CIX into account.
5089 (MEMORY_MOVE_COST): Define in terms of memory_latency.
5090 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
5092 * alpha.h (ASM_COMMENT_START): New macro.
5094 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
5096 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
5097 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
5099 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
5100 SUBREG_REG if the word count is unchanged.
5101 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
5102 subregs of identical word size for push_reload.
5104 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
5106 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
5107 if all we're doing is dealing with -Wreturn-type.
5109 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
5111 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
5112 Use and 255 instead of zapnot 1, since it schedules better.
5114 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
5116 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
5119 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
5121 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
5122 dependency we delete. Properly update prev for multiple consecutive
5124 (priority): Skip deleted dependence.
5126 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
5128 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
5130 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
5132 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
5133 determining when a new basic block starts.
5135 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
5137 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
5138 * pa.md (iorsi3): Add missing args to *_operand calls.
5140 * except.c (call_get_eh_context): Don't mess with sequences.
5141 (emit_eh_context): Include the call in the sequence here.
5143 1997-12-11 Paul Eggert <eggert@twinsun.com>
5145 * collect2.c (write_c_file_glob): Allocate initial frame object
5146 in static storage and pass its address.
5148 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
5150 * except.c (call_get_eh_context): Don't take a parm.
5151 Put the call at the top of the function.
5152 (emit_eh_context): Adjust.
5153 (get_eh_context): Replace with former use_eh_context.
5154 (get_eh_context_once, get_saved_pc_ref): Remove.
5155 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
5157 * integrate.c (expand_inline_function): Adjust.
5158 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
5160 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
5162 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
5163 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
5165 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
5167 * fixincludes (strlen,strspn,strcspn return value): Handle different
5169 (hypot): Provide a fake for hypot which is broken on
5170 m88k-motorola-sysv3.
5172 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
5174 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
5175 tree_code_name from pointers to arrays.
5176 * tree.c: Remove standard_tree_code_* variables, no longer used.
5177 * print-tree.c: Remove declaration of tree_code_name.
5179 * cp/lex.c (init_lex): Update for tree_code_* changes.
5180 * objc/objc-act.c (init_objc): Likewise.
5182 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
5185 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
5187 * config.sub: Add support for BeOS target.
5188 * configure.in: Likewise.
5189 * ginclude/stdarg.h: Likewise.
5190 * ginclude/stddef.h: Likewise.
5191 * ginclude/varargs.h: Likewise.
5192 * rs6000/beos.h: New file for BeOS.
5193 * rs6000/t-beos: Likewise.
5194 * rs6000/x-beos: Likewise.
5195 * rs6000/xm-beos.h: Likewise.
5196 * toplev.c (get_run_time): Just return 0 on BeOS.
5198 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
5199 Toon Moene (toon@moene.indiv.nluug.nl)
5201 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
5202 old and broken Sun3 assemblers. Newer versions handle large
5203 offsets correctly as does the GNU assembler.
5205 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5207 * objc/objc-act.c (lang_report_error_function): Disable.
5208 * objc/objc-parse.y: Include "output.h".
5209 (yyerror): Remove redundant decl.
5210 (yyprint): Fix prototype.
5211 (apply_args_register_offset): Remove redundant decl.
5212 (get_file_function_name): Likewise.
5214 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
5216 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
5218 (find_basic_blocks_1): Likewise.
5220 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
5222 * except.c (use_eh_context): Don't copy_rtx a REG.
5223 (emit_throw): Lose old unwinder support.
5224 (expand_internal_throw): Likewise.
5225 * libgcc2.c (struct eh_context): Likewise.
5226 (new_eh_context): Likewise.
5227 (__get_eh_info): Lose redundant cast.
5228 (__get_dynamic_handler_chain): Likewise.
5229 (__get_saved_pc): Lose.
5230 Lose all old unwinder support code.
5232 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
5234 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
5236 * integrate.c (expand_inline_function): If the inline fn uses eh
5237 context, make sure that the current fn has one.
5238 * toplev.c (rest_of_compilation): Call emit_eh_context.
5239 * except.c (use_eh_context): New fn.
5240 (get_eh_context_once): New fn.
5241 (call_get_eh_context): New fn.
5242 (emit_eh_context): New fn.
5243 (get_eh_context): Call either get_eh_context_once or
5244 call_get_eh_context, depending on what we have.
5245 (get_dynamic_handler_chain): Call get_eh_context_once.
5246 * except.h: Prototypes for fns above.
5247 * optabs.c (get_eh_context_libfunc): Removed.
5248 (init_optabs): Don't initialize it.
5249 * expr.h (get_eh_context_libfunc): Removed.
5250 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
5251 * config/pa/pa.h (CPP_SPEC): Support for -threads.
5252 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
5253 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
5254 New multilib for -threads.
5255 * config/sparc/t-sol2: Added multilibs for -threads and
5256 made -pthreads alias to it.
5257 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
5258 Added -threads and -pthreads options.
5259 * libgcc-thr.h: New file.
5260 * libgcc2.c: (__get_cpp_eh_context): Removed.
5261 (struct cpp_eh_context): Removed.
5262 (struct eh_context): Replaced cpp_eh_context with generic language
5264 (__get_eh_info): New function.
5265 (__throw): Check eh_context::info.
5267 * libgcc2.c: Include libgcc-thr.h.
5268 (new_eh_context, __get_eh_context,
5269 eh_pthread_initialize, eh_context_initialize, eh_context_static,
5270 eh_context_specific, eh_context_free): New functions.
5271 (get_eh_context, eh_context_key): New variables.
5272 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
5273 get_eh_context to get the context.
5274 (longjmp): Move the declaration inside
5275 #ifdef DONT_USE_BUILTIN_SETJMP.
5276 * frame.c: Include libgcc-thr.h.
5277 (object_mutex): Mutex to protect the object list.
5278 (find_fde, __register_frame, __register_frame_table,
5279 __deregister_frame): Hold the lock while accessing objects.
5280 * except.h (get_eh_context): Declare.
5281 * except.c (current_function_ehc): Define.
5282 (current_function_dhc, current_function_dcc): Removed.
5283 (get_eh_context): New function.
5284 (get_dynamic_handler_chain): Use get_eh_context.
5285 (get_saved_pc_ref): Ditto.
5286 (get_dynamic_cleanup_chain): Removed references to
5287 current_function_dcc.
5288 (save_eh_status, restore_eh_status): Save and restore
5289 current_function_ehc instead.
5290 * optabs.c (get_eh_context_libfunc): New variable.
5291 (init_optabs): Initialize it.
5292 * expr.h: Declare get_eh_context_libfunc.
5293 * function.h (struct function): Replaced dhc and dcc with ehc.
5294 * except.c (get_saved_pc_ref): New functions.
5295 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
5296 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
5298 (end_eh_unwinder): Likewise.
5299 (init_eh): Remove initialization of eh_saved_pc.
5300 * optabs.c (get_saved_pc_libfunc): New variable.
5301 (init_optabs): Initialize it.
5302 * expr.h: Declare get_saved_pc_libfunc.
5303 * except.h (eh_saved_pc_rtx): Deleted.
5304 (get_saved_pc_ref): Declared.
5306 From Scott Snyder <snyder@d0sgif.fnal.gov>:
5307 * libgcc2.c (__get_saved_pc): New.
5308 (__eh_type, __eh_pc): Deleted.
5309 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
5310 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
5313 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
5315 * sparc/sol2.h: Use 64 bit multiply and divide functions in
5316 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
5319 * rtl.h (global_rtl): New variable, replacing separate variables for
5321 (const_int_rtx): Now array of rtx_def, not rtx.
5322 * emit-rtl.c: Update for new rtl data structures.
5323 * genattrtab.c: Define global_rtl.
5325 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
5327 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
5330 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
5332 * crtstuff.c (__do_global_ctors): Fix typo.
5334 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
5336 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
5337 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
5339 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
5341 * rs6000.h (FUNCTION_ARG_PADDING): Define.
5342 * rs6000.c (function_arg_padding): New function.
5344 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
5346 * m68k.c: Include tree.h only once.
5348 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5350 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
5352 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
5354 * Partially cleaned up prototyping code from HJ.
5355 * tree.h: Add many prototypes.
5356 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
5357 All references changed.
5358 * rtl.h: Protect from multiple inclusions. Add many prototypes.
5360 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
5362 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
5363 string functions like strlen.
5365 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
5367 * configure.in: Check for functions getrlimit and setrlimit.
5368 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
5369 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
5371 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
5373 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
5375 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
5377 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
5380 * alpha.c (override_options): Don't know about scheduling for EV6.
5381 * alpha.md (ev5 function units): Don't overload as ev6.
5383 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
5384 * alpha.md (define_attr type): Add mvi.
5385 (ev5_e0): Define sceduling parameters for it.
5386 (TARGET_MAX insns): Type is mvi not shift.
5388 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
5390 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
5392 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5394 * cstamp-h, auto-config.h: Delete.
5396 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
5398 * version.c: Bump for snapshot.
5400 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
5402 * cccp.c: Fix typo brought over in merge.
5404 * Merge in changes from gcc-2.8.
5406 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
5408 * m68k.c: Include tree.h for dwarf2out_cfi_label.
5410 * gcc.c (process_command): Do not take address of function fatal when
5411 calling lang_specific_driver.
5413 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
5415 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
5416 doesn't work with it yet, so set it to 0.
5417 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
5419 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
5421 * cse.c (cse_insn): Check for invalid entries when taking references.
5423 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5425 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
5426 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
5427 * toplev.c (rest_of_compilation): Pass it. Remove code to
5428 save / clear / restore flag_unroll_{,all_}loops.
5430 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
5432 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
5434 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
5436 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
5438 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
5440 * except.c (get_dynamic_handler_chain): Only make the call once per
5443 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
5445 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5447 * sh.c (final_prescan_insn): Use local label prefix
5448 when emitting .uses pseudo-ops.
5450 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
5452 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
5453 * except.c: Lose outer_context_label_stack.
5454 (expand_eh_region_end): Rethrow from outer_context here.
5455 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
5456 (expand_internal_throw): Take no args.
5457 (expand_internal_throw_indirect): Lose.
5458 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
5459 (expand_start_all_catch): Start a rethrow region.
5460 (expand_end_all_catch): End it.
5461 (expand_rethrow): New fn.
5462 * except.h: Reflect above changes.
5463 * flow.c: Revert change of Nov 27.
5465 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
5467 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
5469 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
5471 * except.c (expand_fixup_region_end): New fn.
5472 (expand_fixup_region_start): Likewise.
5473 (expand_eh_region_start_tree): Store cleanup into finalization here.
5474 * stmt.c (expand_cleanups): Use them to protect fixups.
5476 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
5478 * mips/mips.md (muldi3_r4000): Broaden the output template
5479 and attribute assignments to handle three operand dmult;
5480 rename to muldi3_internal2.
5481 (muldi3): Call the new muldi3_internal2 for R4000, and
5482 any GENERATE_MULT3 chip.
5484 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
5486 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
5488 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
5490 * unroll.c (find_splittable_givs): Remove last change. Handle givs
5491 with a dest_reg that was created by loop.
5493 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
5495 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
5497 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
5499 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
5501 * configure.in: Fix NCR entries.
5503 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
5505 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
5506 nested exceptions correctly.
5508 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
5509 that was created by loop.
5511 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
5513 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
5515 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
5517 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
5519 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
5520 (print_operand): Use SMALL_DATA_REG for the register involved in
5521 small data relocations.
5522 (print_operand_address): Ditto.
5524 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
5525 -dynamic linker is not used.
5527 * rs6000.md (call insns): For local calls, use @local suffix under
5528 System V. Don't use @plt under Solaris.
5530 * rs6000.c (output_function_profiler): Put label address in r0, and
5531 store LR in 4(sp) for System V/eabi.
5533 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
5534 byte boundary, and maintain stack backchain.
5536 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
5538 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
5539 fix_truncsfdi2): Change *.
5541 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
5543 * toplev.c (main): Complain about -gdwarfn.
5545 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
5547 * dwarfout.c (output_type): If finalizing, write out nested types
5548 of types we've already written.
5550 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
5552 (patches originally from Geoffrey Keating)
5553 * rs6000.c (function_arg): Excess floating point arguments don't
5554 go into GPR registers after exhausting FP registers under the
5556 (function_arg_partial_nregs): Ditto.
5558 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
5561 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
5563 * integrate.c (output_inline_function): Just unset DECL_INLINE.
5565 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
5567 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
5570 * libgcc2.c (__throw): Initialize HANDLER.
5572 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
5574 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
5575 fix_truncsfdi2): Change *X to ?*X.
5577 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
5579 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
5581 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
5583 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
5585 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
5587 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
5589 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
5591 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
5592 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
5595 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
5597 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
5598 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
5599 gas and not using the new HP assembler.
5601 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
5603 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
5604 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
5606 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
5608 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
5609 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
5612 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5614 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
5616 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
5618 * except.h: Add outer_context_label_stack.
5619 * except.c: Likewise.
5620 (expand_start_all_catch): Push the outer_context for the try block
5621 onto outer_context_label_stack.
5622 (expand_end_all_catch): Use it and pop it.
5624 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
5626 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
5628 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
5630 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
5632 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
5634 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
5635 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
5637 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
5639 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
5640 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
5641 __builtin_delete, and __builtin_vec_delete.
5643 * except.c (output_exception_table): Don't bother with
5646 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
5648 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
5649 is an in/out operand.
5650 (zero extended variants of stwm/stwm patterns): Similarly.
5652 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
5654 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
5656 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
5658 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
5659 (output_call_frame_info): Emit a \n after using it.
5661 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
5663 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
5665 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
5667 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
5668 (ASM_OUTPUT_DWARF_VALUE4): New macro.
5669 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
5671 (output_call_frame_info): Do not output forward label differences
5672 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
5673 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
5675 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5677 * sh.md (attribute "type"): Add nil.
5678 (movsi_ie): y/y alternative is type nil.
5679 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
5681 (movsf_ie+1): Delete.
5683 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
5685 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
5686 large_int, emit two insns instead of one splitable insn.
5687 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
5688 from cfa_temp_value, use cfa_offset. Add assert checking that
5691 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
5693 * cccp.c (deps_output): Properly quote file names for make.
5695 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
5697 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
5699 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
5701 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
5703 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
5705 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
5707 (cse_end_of_basic_block): Similarly.
5709 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
5711 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
5712 (SELECT_RTX_SECTION): Define.
5713 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
5715 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
5717 * Makefile.in (compare, compare-lean): Define $stage for each
5719 (gnucompare, gnucompare-lean): Likewise.
5721 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
5723 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
5725 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
5726 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
5728 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
5730 * dwarfout.c (byte_size_attribute): Add local var upper_bound
5731 and add case to handle STRING_TYPE.
5732 * dwarfout.c (output_string_type_die): Fix code to generate
5733 correct string length attribute for fixed length strings.
5734 Still needs support for varying length strings.
5736 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
5738 * toplev.c (get_run_time): Do something sensible for cygwin32.
5740 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
5742 * expr.c (expand_builtin_setjmp): Set
5743 current_function_has_nonlocal_label.
5744 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
5745 call-saved registers across calls.
5747 * alpha.md (exception_receiver): Remove.
5748 (nonlocal_goto_receiver_osf): New
5749 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
5750 (nonlocal_goto_receiver): New, select _osf or _vms.
5752 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
5753 keep them from being propogated to the object file.
5754 (alpha_write_linkage): Likewise.
5755 * alpha.md (call_vms): Likewise.
5756 (call_value_vms): Likewise.
5757 (unnamed osf call insns): Likewise.
5759 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
5760 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5762 * alpha.c (call_operand): Any reg is valid for WinNT.
5763 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
5764 (anon nt calls): Add 'R' alternative.
5765 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
5766 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
5768 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
5770 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
5772 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
5773 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
5774 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
5776 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
5778 * reload1.c (new_spill_reg): Improve fixed or forbidden register
5779 spill error message.
5781 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5783 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
5784 use varargs.h. Wrap header with <>, not "".
5786 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
5788 * integrate.c (save_for_inline_copying): Add return value from
5791 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
5793 * fixincludes: Be a little more restrictive on what we will
5794 substitute to replace definitions of MAXINT for HPUX.
5796 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
5798 * dbxout.c (dbxout_symbol_location): Don't assume that variables
5799 whose address is the stack or argument pointers are indirect
5802 1997-11-13 Paul Eggert <eggert@twinsun.com>
5804 * cccp.c, cpplib.c (compare_defs):
5805 Don't complain about arg name respellings unless pedantic.
5806 * cpplib.c (compare_defs): Accept pfile as new arg.
5807 All callers changed.
5809 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5811 * fold-const.c (fold_truthop): Fix bug in last change.
5813 1997-11-13 Paul Eggert <eggert@twinsun.com>
5815 Fix some confusion with IEEE minus zero.
5817 * real.h (REAL_VALUES_IDENTICAL): New macro.
5819 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
5820 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
5822 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
5823 same tree structure as 0.0.
5825 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
5826 macro instead of doing it by hand.
5828 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
5830 * v850/lib1funcs.asm: Minor whitespace changes.
5831 * v850.c: Fix minor formatting problems in many places.
5832 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
5834 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
5836 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
5837 xplus1 when xplus0 is not a register.
5839 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
5841 * flow.c (find_basic_blocks): During marking phase, if we encounter
5842 an insn with a REG_LABEL note, make the target block live and
5843 create an edge from the insn to the target block. Do not make
5844 edges from all blocks to the target block.
5846 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
5848 * confiugre.in: Tweak NCR entries.
5849 * configure: Rebuilt.
5851 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
5853 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
5854 pick apart floating point values, instead of using CONST_DOUBLE_LOW
5855 and CONST_DOUBLE_HIGH.
5857 * rs6000.md (define_splits for DF constants): Use the appropriate
5858 REAL_VALUE_* interface to pick apart DF floating point constants in
5859 a machine independent fashion.
5861 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5863 * fold-const.c (fold_truthop): When changing a one-bit comparison
5864 against zero into a comparison against mask, do a proper sign
5867 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
5869 * except.c: Do not include "assert.h".
5870 (save_eh_status): Turn asserts into conditional aborts.
5871 (restore_eh_status, scan_region): Likewise.
5872 * dwarfout.c: Do not include "assert.h".
5873 (bit_offset_attribute): Turn asserts into conditional aborts.
5874 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
5875 (output_inlined_structure_type_die): Likewise.
5876 (output_inlined_union_type_die): Likewise
5877 (output_tagged_type_instantiation): Likewise.
5878 (dwarfout_file_scope_decl): Likewise.
5879 * dwarf2out.c: Do not include "assert.h"
5880 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
5881 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
5882 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
5883 (add_bit_size_attribute, scope_die_for): Likewise.
5884 (output_pending_types_for_scope): Likewise.
5885 (get_inlined_enumeration_type_die): Likewise.
5886 (get_inlined_structure_type_die): Likewise.
5887 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
5888 (gen_tagged_type_instantiation_die): Likewise.
5890 * flow.c (find_basic_blocks): Refine further to get a more correct
5891 cfg, especially in the presense of exception handling, computed
5892 gotos, and other non-trivial cases. Call abort if an inaccuracy
5893 is detected in the cfg.
5895 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5897 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
5899 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
5900 (skip_white_space): Use whitespace_cr.
5901 (check_newline): Handle whitespace more consistently.
5903 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
5905 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
5906 * i386/xm-cygwin32.h (POSIX): Define.
5908 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
5910 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
5911 is available elsewhere.
5913 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
5915 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
5916 what the instruction can handle.
5918 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
5920 * stmt.c (expand_decl_cleanup_no_eh): New fn.
5922 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
5924 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
5926 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
5927 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
5929 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
5931 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
5932 swap instruction order.
5934 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
5936 * fixinc.svr4 (__STDC__): Add another case.
5938 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5940 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
5941 addresses in the epilogue delay slot.
5943 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
5945 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
5946 in generated `specs' file.
5948 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
5950 * flags.h (flag_rerun_loop_opt): Declare.
5951 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
5952 * toplev.c (flag_rerum_loop_opt): Delete static.
5954 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5956 Bring over from FSF:
5958 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5960 * va-sh.h (__va_arg_sh1): Define.
5962 SH3E doesn't use any integer registers for subsequent arguments
5963 once a non-float value was passed in the stack.
5964 * sh.c (machine_dependent_reorg): If optimizing, put explicit
5965 alignment in front label for ADDR_DIFF_VEC.
5966 * sh.h (PASS_IN_REG_P): Fix SH3E case.
5967 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
5969 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5971 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
5974 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5976 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
5977 put an use_sfunc_addr before each sfunc.
5978 * sh.md (use_sfunc_addr, dummy_jump): New insns.
5979 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
5981 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5983 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
5985 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
5987 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
5990 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
5992 * alias.c (find_base_value): Only return the known base value for
5995 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
5997 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
5998 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
6000 (prologue_get_pc_and_set_got): New pattern.
6002 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
6004 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
6005 for SUBREG, just fall through.
6007 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
6009 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
6011 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
6013 * fixincludes: Fix "hypot" prototype in NeXT math.h.
6015 * Makefile.in (USE_ALLOCA): Always include alloca.o.
6016 (USE_HOST_ALLOCA): Likewise.
6018 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
6019 and LABEL_REFS fields.
6020 * rtl.h (LABEL_REFS): Update.
6022 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
6024 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
6025 sets i2dest. When calling distribute_notes for i3dest_killed, pass
6026 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
6029 * mips.md (insv, extzv, extv): Add change_address call.
6030 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
6032 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
6034 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
6036 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
6037 save_restore_insns if no FP and GP will be restored.
6039 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
6040 Convert CCmode to word_mode before calling GET_MODE_SIZE.
6042 * acconfig.h (HAVE_INTTYPES_H): Undef.
6043 * configure.in (inttypes.h): Check for conflicts between sys/types.h
6044 and inttypes.h, and verify that intmax_t is defined.
6045 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
6046 * config/mips/x-iris3: Likewise.
6048 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
6050 * alias.c (find_base_value): When copying arguments, return the
6051 tenative value for a hard register.
6053 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
6055 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
6056 (yylex): Record wide strings using target endianness, not host.
6058 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
6060 * mn10200.h (ASM_OUTPUT_BSS): Delete.
6061 (ASM_OUTPUT_ALIGNED_BSS): New macro
6062 * mn10300.h (ASM_OUTPUT_BSS): Delete.
6063 (ASM_OUTPUT_ALIGNED_BSS): New macro.
6064 * v850.h (ASM_OUTPUT_BSS): Delete.
6065 (ASM_OUTPUT_ALIGNED_BSS): New macro.
6067 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6069 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
6071 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
6073 * configure.in (sco5): Use cpio to install header files.
6075 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
6077 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
6079 * configure: Rebuild.
6081 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
6083 * i386/sco5.h: enable -gstabs once again.
6085 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
6087 * arm.c (output_move_double): Allocate 3 entries in otherops array.
6089 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
6091 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
6092 notes for sjlj exceptions too.
6093 (expand_eh_region_end): Similarly for EH_REGION_END notes.
6094 (exception_optimize): Optimize EH regions for sjlj exceptions too.
6095 * final.c (final_scan_insn): Don't output labels for EH REGION
6096 notes if doing sjlj exceptions.
6098 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
6100 * alias.c (init_alias_analysis): Handle -fno-alias-check when
6101 optimizing correctly.
6103 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
6104 or set current_function_calls_setjmp anymore.
6106 * flow.c (find_basic_blocks): If we delete the label for an
6107 exception handler, remove it from the EH label list and remove
6108 the EH_BEGIN/EH_END notes for that EH region.
6110 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
6112 * flow.c (find_basic_blocks): Generate correct flow control
6113 information when exception handling notes are present.
6115 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
6117 * dwarf2out.c (output_call_frame_info): Fix length argument
6118 to ASM_OUTPUT_ASCII.
6119 (output_die, output_pubnames, output_line_info): Likewise.
6121 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
6123 * version.c: Bump for snapshot.
6125 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
6126 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
6127 flag_debug_asm is on.
6128 (output_die, output_pubnames, output_line_info): Likewise.
6130 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
6131 and static_chain_rtx into the potential base values array if
6134 * alias.c (new_reg_base_value): New array of potential base values.
6135 (unique_id): Now file scoped static.
6136 (find_base_value, case REG): Return the value in reg_base_value
6137 array for the REG if it exists. Else, return the value from
6138 new_reg_base_value if copying args and REG is a hard register.
6139 (find_base_value, case PLUS): If either operand of the PLUS is
6140 a REG, try to get its base value. Handle base + index and
6142 (record_set): Use new_reg_base_value instead of reg_base_value.
6143 (init_alias_analysis): Allocate space for new_reg_base_value too.
6144 Rework code to iterate over the insns propagating base value
6145 information until nothing changes.
6147 * global.c (global_alloc): Free the conflict matrix after
6148 reload has finished.
6150 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
6152 * libgcc2.c (L_eh): Define __eh_pc.
6153 Replace __eh_type with generic pointer __eh_info.
6155 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
6157 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
6158 use copy_to_reg if address is not a general_operand.
6160 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6162 * profile.c (output_func_start_profiler): Clear flag_inline_functions
6163 for the duration of the call to rest_of_compilation.
6165 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
6167 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
6169 (sparc*-*-*): Recognize --with-cpu=v9.
6170 * sparc/elf.h: New file.
6171 * sparc/t-elf: New file.
6173 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
6175 * mn10300.c (const_8bit_operand): New function.
6176 (mask_ok_for_mem_btst): New funtion.
6177 * mn10300.md (btst patterns with mem operands): Use new functions
6178 to avoid creating btst instructions with invalid operands.
6180 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
6182 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
6183 are running on PowerPC Linux.
6185 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
6187 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
6188 if not previously defined.
6190 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
6192 * function.c (assign_parms): Correct mode of stack_parm if
6193 entry_parm underwent a mode conversion.
6195 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
6197 * global.c (global_alloc): Use xmalloc instead of alloca for
6198 CONFLICTS, since max_allocno * allocno_row_words alone can be more
6199 than 2.5Mb sometimes.
6201 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
6203 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
6204 DEST for the spill, adjust mode of SRC to compensate.
6206 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
6208 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
6209 since any_memory_operand() allows pseudos during reload.
6210 (reload_inhi, reload_outqi, reload_outhi): Likewise.
6212 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
6214 * m68k.md (btst patterns): Add 5200 support.
6216 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
6218 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
6219 optimizations, look inside dividend to determine if the expression
6220 can be simplified by using EXACT_DIV_EXPR.
6222 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
6225 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
6227 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
6229 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
6231 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
6233 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
6236 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
6238 * alpha.md (movqi, movhi): Make sure new insns created during reload
6239 won't need reloading themselves.
6240 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
6242 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
6244 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
6246 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
6248 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
6249 Patch from Klaus Kaempf <kkaempf@progis.de>.
6251 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
6253 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
6254 to an element in a constant string.
6256 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
6258 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
6259 bit PC-relative offset. The exception range table pointer is now in
6261 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
6262 (count_fdes, add_fdes, get_cie): Adjust.
6263 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
6266 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
6268 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
6270 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
6271 like stack_pointer_rtx.
6273 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
6275 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
6276 targets using "$@" to provide support for similar but not identical
6277 targets without having to duplicate code.
6278 (bootstrap4): New goal.
6280 * Makefile.in (compare, compare-lean, compare3): Combined to one
6281 ruleset determining actions to be performed via $@.
6282 (compare4, compare4-lean): New targets.
6283 (gnucompare, gnucompare3): Combined to one ruleset determining
6284 actions to be performed via $@. Also, note which files failed
6285 the comparison test in .bad_compare.
6286 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
6288 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
6290 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
6291 if the dividend is a multiple of the divisor.
6293 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
6295 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
6297 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
6300 * alias.c (true_dependence): Fix typo.
6302 * toplev.c (flag_rerun_loop_opt): New variable.
6303 (f_options): Handle -frerun-loop-opt.
6304 (rest_of_compilation): If -frerun-loop-opt, then run the loop
6306 (main): Enable -frerun-loop-opt by default for -O2 or greater.
6308 * loop.c (simplify_giv_expr): Adding two invariants results
6311 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
6313 * expr.c (get_inner_reference): Remove the array bias after
6314 converting the index to Pmode.
6316 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
6318 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
6319 (TARGET_MULT_BUG): Define.
6320 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
6321 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
6323 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
6325 * mn10200.c (indirect_memory_operand): Delete unused function.
6326 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
6327 * mn10200.md (bset, bclr insns): Handle output in a reg too.
6329 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
6331 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
6332 the callee's ldgp, we must do it ourselves, and we use the jsr tag
6333 for more than scheduling.
6335 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
6337 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
6339 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
6341 * mn10300.c (symbolic_operand, legitimize_address): New functions.
6342 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
6343 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
6345 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
6347 * version.c: Bump for snapshot.
6349 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6351 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
6354 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
6356 * toplev.c (flag_exceptions): Default value is 2.
6357 (compile_file): If flag_exceptions still has the value 2, then
6360 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
6361 (rs6000_save_machine_status): Save pic_offset_table_rtx.
6362 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
6364 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
6367 * rs6000.md (*movsi_got_internal_mem): New pattern.
6368 (*movsi_got_internal_mem splitter): New define_split.
6370 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
6372 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
6374 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
6376 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
6377 only need to save LR.
6379 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
6381 * mn10300.md (movqi, movhi): Avoid using address registers as
6382 destinations unless absolutely necessary.
6384 * mn10200.c (expand_prologue): Fix typo.
6386 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
6388 * mn10200.md (neghi2): Provide an alternative which works if
6389 the input and output register are the same.
6391 * mn10300.c (print_operand): Handle 'S'.
6392 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
6393 shift amount in last alternative
6395 * mn10300.c (expand_epilogue): Rework to handle register restores
6396 in "ret" and "retf" instructions correctly.
6398 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
6400 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
6401 extzv for memory operands.
6403 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
6404 redundant conditional moves to single operand.
6406 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
6408 * v850.h: Move define of __v850__ from CPP_PREDEFINES
6411 * xm-v850.h: Use __v850 rather than __v850__ to
6414 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
6416 * mips/mips.c (compute_frame_size): Not a leaf function if
6419 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
6421 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
6423 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
6425 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
6426 (DEFAULT_ARCH32_P): New macro.
6427 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
6428 (enum cmodel): Declare.
6429 (sparc_cmodel_string,sparc_cmodel): Declare.
6430 (SPARC_DEFAULT_CMODEL): Provide default.
6431 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
6432 (TARGET_FULLANY): Deleted.
6433 (TARGET_CM_MEDMID): New macro.
6434 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
6435 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
6436 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
6437 (CPP_SPEC): Rewrite.
6438 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
6439 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
6440 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
6441 (ASM_SPEC): Add %(asm_arch).
6442 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
6443 Rename asm_default to asm_cpu_default.
6444 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
6445 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
6446 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
6447 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
6448 (MASK_INT64,MASK_LONG64): Delete.
6449 (MASK_ARCH64): Renamed to MASK_64BIT.
6450 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
6451 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
6452 (TARGET_SWITCHES): Always provide 64 bit options.
6453 (ARCH64_SWITCHES): Delete.
6454 (TARGET_OPTIONS): New option -mcmodel=.
6455 (INT_TYPE_SIZE): Always 32.
6456 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
6457 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
6458 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
6459 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
6460 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
6462 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6463 * sparc/linux.h: Likewise.
6464 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
6465 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
6466 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
6467 (SPARC_DEFAULT_CMODEL): Define.
6468 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
6469 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6470 (LONG_DOUBLE_TYPE_SIZE): Define.
6471 (ASM_SPEC): Add %(asm_arch).
6472 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
6473 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6474 (TARGET_CPU_DEFAULT): Add ultrasparc case.
6475 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
6476 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
6477 (SPARC_DEFAULT_CMODEL): Define.
6478 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
6479 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
6480 MASK_LONG64, MASK_MEDANY.
6481 (SPARC_DEFAULT_CMODEL): Define.
6482 (CPP_PREDEFINES): Delete.
6483 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6484 (ASM_SPEC): Add %(asm_arch).
6485 (LONG_DOUBLE_TYPE_SIZE): Define.
6486 (DWARF2_DEBUGGING_INFO): Define.
6487 * sparc/splet.h (CPP_SPEC): Delete.
6488 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
6489 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
6490 (BLOCK_PROFILER): Likewise.
6491 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
6492 (sparc_override_options): Handle code model selection.
6493 (sparc_init_expanders): Renamed from sparc64_init_expanders.
6494 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
6495 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
6496 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
6497 (sethi_di_fullany): Delete.
6499 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
6500 Jeff Law <law@cygnus.com>
6501 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6503 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
6504 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
6505 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
6506 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
6507 * alpha/alpha.md (arg_home): Likewise.
6509 * alpha/alpha.c (vmskrunch): Delete
6510 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
6511 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
6512 truncate to 64 characters.
6514 * make-l2.com: Support openVMS/Alpha.
6516 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
6518 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6520 * longlong.h (count_leading_zeros): Add missing casts to USItype.
6522 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
6524 * i386/bsd386.h (ASM_COMMENT_START): Define.
6526 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
6528 * tree.c (restore_tree_status): Also free up temporary storage
6529 when we finish a toplevel function.
6530 (dump_tree_statistics): Print stats for backend obstacks.
6532 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
6534 * expr.c (use_group_regs): Don't call use_reg for MEMs.
6536 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
6538 * libgcc2.c (__throw): Don't copy the return address.
6539 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
6541 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
6542 * toplev.c (main): Initialize exceptions_via_longjmp.
6544 * tree.c: Add extra_inline_obstacks.
6545 (save_tree_status): Use it.
6546 (restore_tree_status): If this is a toplevel inline obstack and we
6547 didn't want to save anything on it, recycle it.
6548 (print_inline_obstack_statistics): New fn.
6549 * function.c (pop_function_context_from): Pass context to
6550 restore_tree_status.
6551 * obstack.h (obstack_empty_p): New macro.
6553 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
6555 * i386/freebsd.h (ASM_COMMENT_START): Fix.
6557 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
6559 * v850.c (ep_memory_offset): New function.
6560 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
6562 * v850.h (CONST_OK_FOR_*): Add and correct comments.
6563 (CONSTANT_ADDRESS_P): Add comment.
6564 (EXTRA_CONSTRAINT): Define 'U'.
6565 * v850.md: Add comments on bit field instructions.
6566 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
6567 (lshrsi3): Use N not J constraint.
6569 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
6571 * v850.c (reg_or_0_operand): Call register_operand.
6572 (reg_or_int5_operand): Likewise.
6573 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
6574 (TARGET_SWITCHES): Add "big-switch".
6575 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
6576 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
6577 (CASE_DROPS_THROUGH): Comment out.
6578 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
6579 * v850.md (cmpsi): Delete compare mode.
6580 (casesi): New pattern.
6582 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
6583 * v850.md (ashlsi3): Use SImode not QImode for shift count.
6584 (lshrsi3): Likewise.
6586 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
6587 unreachable switch statement after 'b' support. Remove "b" from
6588 strings for 'b' support.
6589 * v850.md (branch_normal, branch_invert): Change %b to b%b.
6591 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
6593 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
6594 empty line if @inhibit_libc@ is empty.
6596 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
6598 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
6599 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
6600 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
6601 (DWARF2_UNWIND_INFO): Let this track object file format.
6602 (EXTRA_SECTIONS): Add in_eh.
6603 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
6604 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
6606 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
6608 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
6609 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
6611 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
6612 (output_double_int): Output DI mode values correctly when
6613 HOST_BITS_PER_WIDE_INT is 64.
6614 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
6615 fmovd so it works if a quad float ends up in one of the upper 32
6617 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
6618 necessary for PIC support on sparc64.
6620 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
6622 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
6623 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
6624 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
6625 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
6626 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
6627 (SPARC_FP_ARG_FIRST): New macro.
6628 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
6629 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
6630 (NPARM_REGS): There are 32 fp argument registers now.
6631 (FUNCTION_ARG_REGNO_P): Likewise.
6632 (FIRST_PARM_OFFSET): Update to new v9 abi.
6633 (REG_PARM_STACK_SPACE): Define for arch64.
6634 (enum sparc_arg_class): Delete.
6635 (sparc_arg_count,sparc_n_named_args): Delete.
6636 (struct sparc_args): Redefine and use for arch32 as well as arch64.
6637 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
6638 (FUNCTION_ARG_ADVANCE): Rewrite.
6639 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
6640 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
6641 (FUNCTION_ARG_CALLEE_COPIES): Delete.
6642 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
6643 (STRICT_ARGUMENT_NAMING): Define.
6644 (doublemove_string): Declare.
6645 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
6646 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
6647 (doublemove_string): New function.
6648 (output_move_quad): Clean up some of the arch64 support.
6649 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
6650 Don't add 8 bytes of reserved space if arch64.
6651 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
6652 (init_cumulative_args): New function.
6653 (function_arg_slotno): New static function.
6654 (function_arg,function_arg_partial_nregs): New functions.
6655 (function_arg_{pass_by_reference,advance}): New functions.
6656 (function_arg_padding): New function.
6657 * ginclude/va-sparc.h: Rewrite v9 support.
6659 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
6661 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
6662 for hard regs to determine base and index registers.
6664 * reload.c (debug_reload_to_stream): New function. Specify stream
6665 into which to write debug info.
6666 (debug_reload): Modify to call debug_reload_to_stream with stderr.
6668 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
6670 * combine.c (can_combine_p): Don't combine with an asm whose
6671 output is a hard register.
6673 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
6675 * c-decl.c (start_struct): Ensure that structs with forward
6676 declarations are in fact packed when -fpack-struct is given.
6678 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
6679 we are packing a structure. This allows a structure with only
6680 bytes to be aligned on a byte boundary and have no padding on a
6683 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6685 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
6687 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
6689 * alpha.c (alpha_return_addr_rtx): New variable.
6690 (alpha_save_machine_status): New; save it.
6691 (alpha_restore_machine_status): New; restore it.
6692 (alpha_init_expanders): New; clear it.
6693 (alpha_return_addr): New; set it.
6694 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
6695 is overly conservative, so search the insns explicitly.
6696 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
6697 (alpha_sa_size [VMS && !VMS]): Likewise.
6698 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
6699 (INIT_EXPANDERS): New definition.
6701 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
6702 (output_prolog [!VMS]): Use them.
6704 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
6705 (alpha_does_function_need_gp): ... a new function. Refine the
6706 CALL_INSN test to just TYPE_JSR.
6707 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
6709 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
6711 * version.c: Bump for snapshot.
6713 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6715 * pa.c (move_operand): Respect -mdisable-indexing.
6716 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
6718 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
6720 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
6722 (umulsidi3,umulsi3_highpart): Ditto.
6723 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
6725 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
6727 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
6728 (alpha_handle_trap_shadows): ... a new function. Handle the entire
6729 function in one go. Emit RTL for trapb, instead of printf directly.
6730 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
6731 (trap_pending): Kill global variable.
6732 (output_epilog): Don't call final_prescan_insn.
6733 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
6734 * alpha.h (FINAL_PRESCAN_INSN): Remove.
6735 (MACHINE_DEPENENT_REORG): Define.
6736 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
6739 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
6741 Tune Haifa scheduler for Alpha:
6742 * alpha.h (ISSUE_RATE): Define.
6743 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
6744 EV4 adjustments to EV5.
6745 * alpha.md: Remove all scaling from function unit delays. Rework
6746 EV5 function units to match the CPU.
6747 (umuldi3_highpart): EV5 added the IMULH insn class.
6749 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
6751 * pa.c (following_call): Fail if the CALL_INSN is an indirect
6754 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
6756 * cplus-dem.c (demangle_signature): Don't look for return types on
6757 constructors. Handle member template constructors.
6759 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
6761 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
6762 * tree.h: Declare them.
6764 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
6766 * configure.in: Handle --with-newlib.
6767 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
6769 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
6771 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
6773 * config/ptx4.h: Fix typo.
6775 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
6777 * version.c: Bump for snapshot.
6779 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
6781 * aclocal.m4: Substitute INSTALL.
6782 * configure: Re-built.
6784 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
6786 * integrate.c (save_for_inline_copying): Avoid undefined pointer
6788 (expand_inline_function): Likewise.
6790 * dwarf2out.c (output_call_frame_info): Reinstate last change
6791 using flag_debug_asm check instead of flag_verbose_asm.
6793 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
6795 * dwarf2out.c (output_call_frame_info): Remove last change.
6797 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6799 * frame.c (__frame_state_for): Execute the FDE insns until the
6800 current pc value is strictly bigger than the target pc value.
6802 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
6804 * regclass.c (init_reg_modes): If we can't find a mode for the
6805 register, use the previous one.
6807 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
6809 * haifa-sched.c (print_block_visualization): Call fprintf directly,
6810 don't sprintf through an alloca'ed buffer.
6812 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
6814 * reload.c (decompose): Always initialize val.base.
6816 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
6818 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
6819 instead of aborting.
6820 * dwarf2out.c (output_call_frame_info): Call app_enable and
6821 app_disable to let GNU as accept the generated comments.
6823 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
6825 * tree.h (get_file_function_name): Add declaration.
6826 * dwarf2out.c (output_call_frame_info): No need to cast
6827 get_file_function_name call anymore.
6828 * profile.c (toplevel): Remove get_file_function_name
6830 * c-lang.c (finish_file): Ditto.
6832 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
6834 * Makefile.in (program_transform_name): Let autoconf substitute
6837 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
6839 * haifa-sched.c (schedule_block): If the first real insn in a
6840 block has any special notes attached to it, remove them.
6842 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
6844 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
6846 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
6848 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
6850 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
6852 * Makefile.in (check-g77): New test target.
6853 (CHECK-TARGETS): Add check-g77.
6855 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
6857 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
6859 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
6861 * flow.c (print_rtl_with_bb): Cast alloca return value for
6864 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
6866 * i386.h (RETURN_ADDR_RTX): New definition that works for
6867 __builtin_return_address(0) and -fomit-frame-pointer.
6869 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
6871 Bring over from FSF.
6872 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
6874 * mips.c (function_arg): Handle passing a struct
6875 containing a double in a DFmode register without the PARALLEL.
6877 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
6879 * pexecute.c: Use spawn if __CYGWIN32__.
6881 * pexecute.c: Include "config.h" first, as per autoconf manual
6882 (from Paul Eggert <eggert@twinsun.com>).
6884 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6886 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
6887 optimisation for f/expr.o and f/stb.o.
6889 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
6891 * cse.c (this_insn_cc0_mode): Initialize.
6893 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
6895 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
6897 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
6899 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
6901 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
6902 that pair will dual-issue on the 21164 and plus+beq won't.
6903 (bne): Likewise for cmpeq+beq.
6905 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
6907 * except.c (find_exception_handler_labels): Correct argument to free.
6909 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
6911 * except.c (find_exception_handler_labels): Free LABELS when we're
6914 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
6916 * version.c: Bump for snapshot.
6918 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6920 * flow.c (find_basic_blocks): Mark calls as potentially jumping
6923 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
6925 * configure.in: Substitute for "install" too.
6926 * configure: Rebuilt.
6928 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
6930 * Makefile.in (bootstrap-lean, compare-lean): New targets.
6932 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
6934 * alias.c (base_alias_check): Two symbols can conflict if they
6935 are accessed via AND.
6936 (memrefs_conflict_p): Likewise.
6938 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
6939 after flushing argument registers to the stack.
6941 * Makefile.in (mostlyclean): Remove .regmove files.
6943 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
6945 * libgcc2.c (__throw): Fix thinko.
6947 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
6949 * cplus-dem.c (demangle_template): Add new parameter. Handle new
6950 template-function mangling.
6951 (consume_count_with_underscores): New function.
6952 (demangle_signature): Handle new name-mangling scheme.
6954 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6956 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
6959 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
6961 * frame.c: Remove last change.
6962 * dwarf2.h: Remove last change.
6963 * tree.h: Add declarations of DWARF2 unwind info support
6966 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6968 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
6969 * tree.h (built_in_function): Likewise.
6970 * expr.c (expand_builtin): Likewise.
6971 * except.h: Likewise.
6972 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
6973 * libgcc2.c (copy_reg): New fn.
6976 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
6978 * c-typeck.c (build_binary_op): Warn about comparing signed vs
6979 unsigned if -W is specified and -Wno-sign-compare is not.
6980 * c-decl.c (warn_sign_compare): Initialize to -1.
6981 (c_decode_option): -Wall no longer implies -Wsign-compare.
6983 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6985 * frame.c: Include gansidecl.h for PROTO.
6986 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
6987 defined. Don't declare dwarf2out_cfi_label here.
6988 * dwarf2.h: Add declarations of DWARF2 unwind info support
6990 * m68k.c: Include dwarf2.h.
6991 (output_function_prologue): Add dwarf2 support.
6992 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
6993 (INCOMING_FRAME_SP_OFFSET): Likewise.
6995 * integrate.c (expand_inline_function): Make sure there is at
6996 least one insn that can be used as an insertion point.
6998 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
7000 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
7002 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
7004 * version.c: Bump for snapshot.
7006 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
7008 Bring over from FSF.
7010 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
7012 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
7013 (get_pc_via_rdpc): Renamed from get_pc_sp64.
7014 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
7016 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
7018 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
7019 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
7021 (sparc_align_{loops,jumps,funcs}_string): Declare.
7022 (sparc_align_{loops,jumps,funcs}): Declare.
7023 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
7024 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
7025 (STACK_BIAS): Define.
7026 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
7028 (SPARC_SETHI_P): New macro.
7029 (CONST_OK_FOR_LETTER_P): Use it.
7030 (ASM_OUTPUT_ALIGN_CODE): Define.
7031 (ASM_OUTPUT_LOOP_ALIGN): Define.
7032 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
7033 (sparc_align_{loops,jumps,funcs}): New globals.
7034 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
7036 (move_operand): Use SPARC_SETHI_P.
7037 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
7039 (arith11_double_operand): Likewise.
7040 (arith10_double_operand): Likewise.
7041 (finalize_pic): Finish sparc64 support.
7042 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
7043 64 bit constants if able.
7044 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
7045 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
7047 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
7048 (get_pc_sp32): Use for sparc64 as well.
7049 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
7050 (sethi_di_sp64_const): Likewise.
7051 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
7052 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
7053 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
7055 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
7057 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
7058 * sparc/linux.h (COMMENT_BEGIN): Likewise.
7059 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
7061 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
7063 Add sparc64 linux support.
7064 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
7065 to xm_file list on 32-bit sparc-linux.
7066 * sparc/xm-sp64.h: New file.
7067 * sparc/linux64.h: New file.
7068 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
7069 Don't include xm-sparc.h.
7070 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
7071 * glimits.h (LONG_MAX): Handle sparc64.
7073 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
7075 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
7076 * sparc.h (ASM_COMMENT_START): Define.
7077 * sparc.c (output_function_prologue): Use it.
7078 (sparc_flat_output_function_{epi,pro}logue): Likewise.
7080 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
7082 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
7083 use sparc.h's copies.
7084 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
7087 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7089 * sparc.c (dwarf2out_cfi_label): Add declaration.
7090 (save_regs, output_function_prologue): Remove cast for it.
7091 (sparc_flat_{save_restore,output_function_prologue): Likewise.
7092 ({save,restore}_regs): No longer inline.
7094 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7096 * fold-const.c (make_range): Correctly handle cases of converting
7097 from unsigned to signed type.
7099 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7101 * fold-const.c (merge_ranges): Make sure that if one range is subset
7102 of another, it will always be the second range. Correct (+,-) case to
7105 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
7107 * final.c (final_end_function): Also do dwarf2 thing if
7108 DWARF2_DEBUGGING_INFO.
7109 (final_start_function): Likewise.
7111 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
7113 * expmed.c (expand_divmod): If compute_mode is not the same as
7114 mode, handle the case where convert_modes() causes op1 to no
7115 longer be a CONST_INT.
7117 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
7118 note holding get_jump_flags() calculation to all JUMP_INSNs.
7119 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
7120 * rtl.c (reg_note_name): Add new note types.
7122 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
7124 * rtlanal.c (computed_jump_p): Fix typo in last change.
7126 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7128 * loop.c (indirect_jump_in_function_p): Return 0
7131 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
7133 * rs6000/xm-rs6000.h: Fix thinko in last change.
7134 * rs6000/xm-sysv4.h: Likewise.
7136 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
7138 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
7140 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
7142 * reg-stack.c (find_blocks): Fix thinko in last change.
7144 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7146 * m68k.c (output_function_prologue): Add dwarf2 support.
7148 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
7149 INCOMING_FRAME_SP_OFFSET): New definitions.
7151 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
7153 * combine.c (try_combine): Use NULL_RTX instead of '0' where
7154 appropriate in calls to gen_rtx().
7155 * cse.c (cse_main): Likewise.
7156 * emit-rtl.c (gen_label_rtx): Likewise.
7157 * expr.c (init_expr_once): Likewise.
7158 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
7159 sched_analyze, init_rgn_data_dependences,
7160 compute_block_backward_dependences): Likewise.
7161 * sched.c (schedule_insns): Likewise.
7162 * varasm.c (immed_double_const): Likewise.
7164 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
7165 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
7167 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
7169 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
7170 (MULTILIB_DEFAULTS): Define.
7171 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
7172 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
7173 (LIBGCC_SPEC): Likewise.
7174 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
7175 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
7176 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
7177 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
7178 (EXTRA_PARTS, TAROUTOPTS): Delete.
7179 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
7180 (MULTILIB_OPTIONS): Define.
7181 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
7182 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
7184 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
7186 * version.c: Bump for snapshot.
7188 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
7190 * loop.c (loop_number): Delete function. Change all references
7191 to use uid_loop_num array.
7192 * loop.h (loop_number): Delete declaration.
7193 * unroll.c (unroll_loop): Change "loop_number" references to
7194 use uid_loop_num instead.
7196 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
7198 (loop_unroll_iter): Remove unused variable and all references.
7199 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
7200 (insert_bct): Fix minor formatting problems.
7201 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
7202 (loop_unroll_iter): Removed unused decl.
7203 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
7204 Always record the unrolling factor.
7206 * cse.c (simplify_relational_operation): Set h0u just like h0s.
7207 Similarly for h1u and h1s.
7209 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
7210 (find_basic_blocks): Use computed_jump_p to determine if a
7211 particular JUMP_INSN is a computed jump.
7212 * reg-stack.c (find_blocks): Use computed_jump_p to determine
7213 if a particular JUMP_INSN is a computed jump.
7214 * rtlanal.c (jmp_uses_reg_or_mem): New function.
7215 (computed_jump_p): Likewise.
7216 * rtl.h (computed_jump_p): Declare.
7217 * genattrtab.c (pc_rtx): Define and initialize.
7218 * loop.c (loop_optimize): Always determine if the current
7219 function has a computed jump.
7220 (indirect_jump_in_function_p): Use computed_jump_p to determine
7221 if a particular JUMP_INSN is a computed jump.
7223 * loop.c (fix_bct_param): Delete unused function.
7224 (check_bct_param): Likewise.
7226 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
7228 * frame.c (__deregister_frame): Check properly for initialized object.
7230 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7232 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
7234 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7236 * jump.c (thread_jumps): check can_reverse_comparison_p before
7237 threading a reversed-condition jump.
7239 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
7240 * haifa-sched.c (update_flow_info): Likewise.
7242 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
7244 * Makefile.in (BOOT_CFLAGS): Use -O2.
7246 * configure.in (strtoul, bsearch): Have autoconf check for these
7248 * configure, config.in: Rebuilt.
7250 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
7251 * mips/mips.h (alloca): Likewise.
7252 * rs6000/xm-rs6000.h (alloca): Likewise.
7253 * rs6000/xm-sysv4.h: Likewise.
7255 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
7257 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
7258 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
7259 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
7261 * except.c (end_eh_unwinder): Subtract 1 from return address.
7262 * libgcc2.c (__throw): Likewise.
7263 (find_exception_handler): Don't change PC here. Compare end with >.
7265 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
7267 * v850.c (compute_register_save_size): Correct register
7269 * v850.md (save_interrupt, return_interrupt): Correct
7271 * v850/lib1funcs.asm (save_interrupt): Correct register number.
7272 (return_interrupt): Use stack pointer, not element pointer.
7274 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
7276 * configure.in, configure: Make sure to create the stage* and include
7277 symbolic links in each subdirectory.
7279 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
7281 * pa.md (reload_peepholes): Don't allow addresses with side
7282 effects for the memory operand.
7284 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
7286 * libgcc2.c (find_exception_handler): Subtract one from our PC when
7287 looking for a handler, to avoid hitting the beginning of the next
7290 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
7292 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
7294 * mips/abi64.h (LONG_MAX_SPEC): Define.
7295 * mips.h (LONG_MAX_SPEC): Define.
7296 (CPP_SPEC): Include long_max_spec.
7297 (EXTRA_SPECS): Include long_max_spec.
7299 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
7301 * v850.c (construct_save_jarl): Fix thinko in last change.
7303 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
7305 * version.c: Bump for snapshot.
7307 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
7309 * libgcc2.c (find_exception_handler): Not found is -1.
7311 * integrate.c (expand_inline_function): Move expand_start_bindings
7312 after expanding the arguments.
7314 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
7316 * expr.c (expand_expr): Remove previous incorrect change.
7317 If target and slot has no DECL_RTL, then call mark_addressable
7318 again for the slot after we give it RTL.
7320 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
7322 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
7323 again for the slot after we give it RTL.
7325 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
7327 * v850.c (register_is_ok_for_epilogue,
7328 pattern_is_ok_for_epilogue, construct_restore_jr,
7329 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
7331 * v850.h (pattern_is_ok_for_prologue,
7332 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
7335 * v850.md: Replace prologue and epilogue patterns with a
7336 match_parallel pattern.
7338 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
7340 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
7341 * configure.in: Use EGCS_PROG_INSTALL.
7343 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
7345 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
7346 extern inline function.
7348 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
7350 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
7351 (concat_loc_descriptor): New function.
7352 (loc_descriptor): Call it.
7353 (add_AT_location_description): Also elide the descriptor if both
7354 halves of a CONCAT are pseudos.
7355 (add_location_or_const_value_attribute): Recognize CONCAT too.
7357 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
7359 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
7361 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
7362 out-or-range reg_offset.
7363 (output_epilog): Likewise.
7365 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
7367 * cse.c (simplify_relational_operation): If MODE specifies a
7368 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
7369 is derived from the sign bit of the low word.
7371 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
7373 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
7375 * dwarf2.h: Add DW_CFA_GNU_args_size.
7376 * frame.c (execute_cfa_insn): Likewise.
7377 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
7378 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
7379 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
7380 insn, hand it off to dwarf2out_stack_adjust.
7381 (dwarf2out_begin_prologue): Initialize args_size.
7382 * frame.h (struct frame_state): Add args_size.
7383 * libgcc2.c (__throw): Use args_size.
7384 * final.c (final_scan_insn): If we push args, hand off all insns
7385 to dwarf2out_frame_debug.
7386 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
7388 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
7389 Handle epilogue restore of SP from FP.
7390 * emit-rtl.c (gen_sequence): Still generate a sequence if the
7391 lone insn has RTX_FRAME_RELATED_P set.
7393 * frame.c (extract_cie_info): Handle "e" augmentation.
7394 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
7395 absence of UNALIGNED_*_ASM_OP.
7396 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
7397 (output_call_frame_info): Use "e" instead of "z" for augmentation.
7398 Don't emit augmentation fields length.
7399 (dwarf2out_do_frame): Move outside of #ifdefs.
7400 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
7403 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
7404 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
7405 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
7406 * sparc/sun4gas.h: New file.
7407 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
7409 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
7410 __register_frame_table and __deregister_frame.
7412 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
7414 * except.c (find_exception_handler_labels): Use xmalloc instead of
7415 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
7418 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
7420 * Makefile.in: Various changes to build info files
7421 in the object tree rather than the source tree.
7423 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
7425 * fixinc.math: New file to fix math.h on some systems.
7426 * configure.in (freebsd, netbsd): Use fixinc.math on these
7428 * configure: Rebuilt.
7430 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
7432 * regmove.c (regmove_optimize): If we end up moving the
7433 original insn due to lifetime overlaps, make sure to move
7436 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
7438 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
7440 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
7442 * haifa-sched.c (add_branch_dependences): Make each insn in
7443 a SCHED_GROUP_P block explicitly depend on the previous insn.
7445 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
7447 * except.h: Prototype dwarf2 hooks.
7450 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
7452 * configure.in (native_prefix): Delete.
7453 (mips-dec-netbsd): Don't set prefix.
7454 (*linux*): Don't set prefix.
7456 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
7458 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
7459 defined. If not defined, include <sys/varargs.h> if
7460 HAVE_SYS_VARARGS_H is defined.
7461 * configure.in: Test for varargs.h and sys/varargs.h.
7462 * configure: Regenerate with autoconf.
7463 * config.in: Regenerate with autoheader.
7465 * cpplib.c (quote_string): Cast first arg of sprintf call
7466 from "unsigned char *" to "char *".
7467 (output_line_command): Ditto.
7468 (macroexpand): Ditto.
7469 (do_line): Cast atoi arg from "unsigned char *" to "char *".
7471 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
7473 * version.c: Bump for snapshot.
7475 * Makefile.in (compare): Exit with nonzero status if there
7476 are comparison failures. Note which files failed the
7477 comparison test in .bad_compare.
7479 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7481 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
7483 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
7485 * Makefile.in (LN, LN_S): New macros, use where appropriate.
7486 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
7487 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
7488 * configure: Regenerated.
7490 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
7492 * loop.c (strength_reduce): Fix typo.
7494 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
7496 * m88k/m88k.c (struct option): Rename to struct options.
7497 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
7498 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
7499 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
7500 __DOLPHIN__ or sysV88.
7502 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
7504 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
7507 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
7509 * config.sub: Accept 'amigados' for backward compatability.
7511 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7513 * Makefile.in (testsuite/site.exp): New target.
7514 (check-gcc, check-g++): Depend on testsuite/site.exp.
7515 Don't stop for failure.
7517 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
7519 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
7520 if DWARF2_UNWIND_INFO.
7522 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
7524 Add support for exception handling using DWARF 2 frame unwind info.
7525 Currently works on SPARC and MIPS, and almost on x86.
7527 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
7528 next_stack_level, in_reg_window): Helper fns.
7529 (__throw): Implement for DWARF2_UNWIND_INFO.
7531 * expr.c (expand_builtin): Handle builtins used by __throw.
7532 * tree.h (enum built_in_function): Add builtins used by __throw.
7533 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
7534 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
7535 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
7536 (expand_builtin_extract_return_addr): Likewise.
7537 (expand_builtin_frob_return_addr): Likewise.
7538 (expand_builtin_set_return_addr_reg): Likewise.
7539 (expand_builtin_eh_stub): Likewise.
7540 (expand_builtin_set_eh_regs): Likewise.
7541 (eh_regs): Choose two call-clobbered registers for passing back values.
7543 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
7544 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
7545 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
7546 (stmp-multilib): Likewise.
7547 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
7549 * except.c: #include "defaults.h".
7550 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
7551 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
7552 (register_exception_table_p): New fn.
7553 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
7554 (end_eh_unwinder): Likewise.
7556 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
7557 call __register_frame and __deregister_frame as needed.
7558 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
7559 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
7560 EH_FRAME_SECTION_ASM_OP.
7561 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
7562 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
7563 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
7565 * dwarf2out.c (output_call_frame_info): If no support for
7566 EXCEPTION_SECTION, mark the start of the frame info with a
7568 * collect2.c (frame_tables): New list.
7569 (is_ctor_dtor): Recognise frame entries.
7570 (scan_prog_file): Likewise.
7571 (main): Pass -fno-exceptions to sub-compile. Also do collection
7572 if there are any frame entries.
7573 (write_c_file_stat): Call __register_frame_table and
7574 __deregister_frame as needed.
7575 (write_c_file_glob): Likewise.
7577 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
7578 Also require unaligned reloc support.
7579 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
7580 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
7581 * sparc/sysv4.h: Not here.
7583 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
7584 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
7585 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
7587 * libgcc2.c (L_eh): Reorganize, moving code shared by different
7588 EH implementations to the top.
7589 (find_exception_handler): Split out. Start from 0. Compare against
7591 (__find_first_exception_table_match): Use it.
7592 * except.c (output_exception_table): Don't do anything if there's
7593 no table. Don't output a first entry of zeroes.
7594 (eh_outer_context): Adjust properly.
7595 (add_eh_table_entry): Use xrealloc.
7596 * toplev.c (compile_file): Just call output_exception_table.
7598 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
7600 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
7602 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
7604 * except.c (eh_outer_context): Do masking using expand_and.
7606 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
7608 Add port done awhile ago for the ARC cpu.
7609 * arc/arc.h: New file.
7610 * arc/arc.c: New file.
7611 * arc/arc.md: New file.
7612 * arc/initfini.c: New file.
7613 * arc/lib1funcs.asm: New file.
7614 * arc/t-arc: New file.
7615 * arc/xm-arc.h: New file.
7616 * ginclude/va-arc.h: New file.
7617 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
7618 * ginclude/varargs.h: Likewise.
7619 * Makefile.in (USER_H): Add va-arc.h.
7620 * configure.in (arc-*-elf*): Recognize.
7621 * longlong.h: Add ARC support.
7623 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
7625 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
7626 when clearing non-BLKmode data.
7628 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
7630 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
7631 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
7633 * xm-m88k.h (USG): Only define if it hasn't already been defined.
7635 * Makefile.in (risky-stage1): Delete gratutious whitespace.
7637 * Makefile.in (clean): Delete libgcc1-test.
7639 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
7641 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
7643 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
7646 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7648 * dwarf2out.c (output_call_frame_info): Call named_section.
7650 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
7652 * haifa-sched.c (print_value): Fix last change.
7654 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
7656 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
7659 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
7661 * mips.c (function_prologue): Set up the CFA when ABI_32.
7663 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
7664 for dwarf2 unwind info.
7665 (output_function_prologue, sparc_flat_output_function_prologue): Same.
7667 * final.c (final_end_function): Check dwarf2out_do_frame instead
7668 of DWARF2_DEBUG for dwarf2 unwind info.
7669 (final_scan_insn): Likewise.
7670 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
7673 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
7676 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
7678 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
7680 * v850.h (ASM_SPEC): Pass on target processor.
7681 (CPP_PREDEFINES): Only define if not already specified.
7682 (TARGET_VERSION): Only define if not already specified.
7683 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
7685 (EXTRA_SWITCHES): Extra entries in the switches array.
7686 (TARGET_DEFAULT): Set default target processor.
7688 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
7690 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
7691 cases, add %# and %/, and add : to make them into extended asms.
7693 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
7695 * alias.c (init_alias_analysis): Clean up incompatible pointer
7696 type warning in bzero.
7697 * regmove.c (regmove_optimize): Ditto.
7698 * haifa-sched.c (find_rgns): Ditto.
7700 * haifa-sched.c (print_value): Clean up ptr->int cast
7703 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
7705 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
7706 * install.texi (Configurations): Ditto.
7707 * config.sub: Ditto.
7709 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
7711 * Makefile.in (sdbout.o): Depend on insn-config.h.
7713 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
7715 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
7716 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
7718 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
7720 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
7721 prologue insn, only the first elt is significant.
7722 (output_call_frame_info): For exception handling, always use 4-byte
7723 fields as specified by the dwarf2 spec.
7724 Don't skip trivial FDEs.
7726 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
7728 * version.c: Bump for snapshot.
7730 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
7732 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
7733 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
7736 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
7738 * final.c (shorten_branches): During first pass, assume worst
7739 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
7741 * Makefile.in (distclean): Remove various things left around
7742 by running the testsuite.
7744 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
7746 * configure.in (out_file): Emit definition to config.status in order
7747 to have a defined value for configure.lang.
7748 * configure: Re-built.
7750 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
7752 * configure.in: Make symlink to as-new rather than as.new. Similarly
7754 * configure: Rebuilt.
7756 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
7758 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
7760 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
7762 * sparc/sparc.md: Add ultrasparc scheduling support.
7763 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
7765 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
7767 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
7768 as initial value for real_label_map.
7769 (copy_for_inline): Likewise.
7771 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7773 * sched.c (update_flow_info) When looking if to set found_split_dest
7774 or found_orig_dest, look at all parts of a PARALLEL.
7775 * haifa-sched.c (update_flow_info): Likewise.
7777 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
7779 * v850: New directory for v850 port.
7780 * v850/lib1funcs.asm: New file.
7781 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
7782 * ginclude/va-v850.h: New file.
7783 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
7784 * configure.in (mn10200-*-*): New target.
7785 * configure: Rebuilt.
7786 * config.sub: Handle v850-elf.
7787 * Makefile.in (USER_H): Add va-mn10200.h.
7788 * invoke.texi: Document v850 stuff.
7790 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
7792 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
7793 has integer TYPE_{MAX,MIN}_VALUE before using them.
7795 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
7796 __HPUX_ASM__ versions.
7798 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
7800 * install.sh: Delete duplicate install script.
7802 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
7804 * reg-stack.c (subst_stack_regs): Pop the stack register for a
7805 computed goto which sets the same stack register.
7807 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
7808 destination are both on the regstack.
7809 (subst_stack_regs_pat): Put the destination at the top of the regstack.
7811 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
7813 * mips.md (nonlocal_goto_receiver): Define.
7815 * profile.c (output_arc_profiler): Check next_insert_after for non
7816 NULL before deferencing it.
7818 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
7820 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
7822 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
7824 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
7826 * toplev.c (rest_of_compilation): For passes starting with
7827 flow_analysis, use print_rtl_with_bb instead of print_rtl.
7829 * print-rtl.c (print_rtl_single): Print a single rtl value to a
7832 * flow.c (print_rtl_with_bb): Print which insns start and end
7833 basic blocks. For the start of a basic block, also print the live
7836 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
7838 * toplev.c (main): Change #elif to #else/#ifdef
7840 * tlink.c: Include ctype.h.
7841 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
7843 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
7845 * bitmap.c: Conditionally include stdlib.h.
7846 (free): Provide a declaration if NEED_DECLARATION_FREE.
7848 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
7850 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
7852 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
7854 * profile.c (output_arc_profiler): Verify next_insert_after is an
7855 INSN before and after skipping a stack pop.
7857 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7859 * final.c (shorten_branches): Don't count the lengths of deleted
7862 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
7864 * version.c: Bump for snapshot.
7866 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
7868 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
7869 two bitmaps ANDed together.
7870 (bitmap_print): Declare.
7872 * bitmap.c (function_obstack): Don't declare any more.
7873 (bitmap_obstack): Obstack for allocating links from.
7874 (bitmap_obstack_init): New static to say whether to initialize
7876 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
7877 (bitmap_release_memory): Free all memory allocated from
7880 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
7881 EXECUTE_IF_AND_IN_BITMAP.
7883 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
7885 * alias.c (true_dependence): Address with AND can alias scalars.
7886 (anti_dependence, output_dependence): Likewise.
7888 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
7890 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
7892 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
7893 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
7894 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
7895 definitions. Use -qrtems instead of -mrtems.
7897 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
7899 * xm-sco5.h (sys_siglist): Define.
7900 (SYS_SIGLIST_DECLARED): Likewise.
7902 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
7904 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
7906 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
7908 * except.c (eh_outer_context): Expand masking operation using
7911 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
7913 * alpha.md (floatdisf2-1): New pattern.
7915 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
7917 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
7918 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
7919 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
7920 * gcc.texi: Note that if you define sys_siglist that you should
7921 also define SYS_SIGLIST_DECLARED.
7923 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
7924 are relative to the next instruction, not the current instruction.
7926 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
7928 * local-alloc.c (contains_replace_regs): New function.
7929 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
7930 verify that there is no existing REG_EQUIV note, and add a call to
7931 contains_place_regs.
7933 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7935 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
7936 (STARTFILE_SPEC): Always use crtbegin.o%s
7937 (ENDFILE_SPEC): Always use crtend.o%s.
7939 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
7941 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
7943 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
7944 SFmode for 64 bit hosts.
7946 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
7948 * fixincludes: Permits spaces between # and define. Discard C++
7949 comments in sys/pci.h on HP/UX 10.20.
7951 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
7953 * version.c: Bump for snapshot.
7955 * pa.c (restore_unscaled_index_insn_codes): New function.
7956 (record_unscaled_index_insn_codes): Likewise.
7957 (output_function_prologue): Call restore_unscaled_index_insn_codes.
7958 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
7959 (pa_reorg): Call record_unscaled_index_insn_codes.
7961 * haifa-sched.c (move_insn): Handle notes correctly for insns
7962 with SCHED_GROUP_P set.
7964 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7966 * alpha/xm-linux.h (USE_BFD): Undef before define.
7968 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
7970 * cse.c (cse_insn): Don't record BLKmode values.
7972 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
7974 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
7976 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
7978 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
7979 * collect2.c (sys_errlist): Likewise.
7980 * cpplib.c (sys_errlist): Likewise.
7981 * gcc.c (sys_errlist): Likewise.
7982 * protoize (sys_errlist): Likewise.
7983 * configure.in: Check for strerror.
7984 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
7985 * xm-gnu.h (HAVE_STRERROR): Likewise.
7986 * xm-linux.h (HAVE_STRERROR): Likewise.
7987 * xm-netbsd.h (HAVE_STRERROR): Likewise.
7988 * xm-bsd386.h (HAVE_STRERROR): Likewise.
7989 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
7990 * xm-dos.h (HAVE_STRERROR): Likewise.
7991 * xm-mingw32.h (HAVE_STRERROR): Likewise.
7992 * xm-pa.h (HAVE_STRERROR): Likewise.
7993 * xm-papro.h (HAVE_STRERROR): Likewise.
7994 * xm-sysv4.h (HAVE_STRERROR): Likewise.
7995 * configure, config.in: Rebuilt.
7997 * Makefile.in: Add several missing "else true" clauses.
7999 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
8000 * mips-tfile.c: Likewise.
8001 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
8002 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
8003 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
8004 * configure.in: Check for sys_siglist declaration.
8005 * configure, config.in: Rebuilt.
8007 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
8009 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
8010 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
8011 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
8012 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
8013 * rs6000/sysv4.h (extra_subtarget_switches): Added new
8014 macro EXTRA_SUBTARGET_SWITCHES.
8015 * configure.in (sh*-*-rtems*): New target.
8016 * sh/rtems.h: New file.
8017 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
8018 * configure: Rebuilt.
8020 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
8022 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
8024 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
8026 * rs6000.md: Make DF fused-add operations pay attention to
8029 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
8031 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
8033 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
8035 * pa.md (reload_peepholes): Make sure operand is a REG before
8036 examining REGNO. Allow general registers too.
8038 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
8040 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
8042 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
8044 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
8045 to reallocate abbrev_die_table.
8047 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
8049 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
8051 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8053 * Makefile.in (config.status): Depend on version.c
8055 * expr.h (insn_gen_function): Reenable prototype.
8057 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
8060 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
8062 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
8064 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
8066 * version.c: Bump for latest snapshot.
8068 * bc-optab.c: Conditionally include stdlib.h.
8069 (free): Provide a declaration if NEED_DECLARATION_FREE.
8070 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
8071 * rtl.h (free): Remove declaration.
8072 * tree.h (free): Remvoe declaration.
8074 * configure: Rebuilt.
8076 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
8078 * flags.h (flag_move_all_movables): Declare.
8079 (flag_reduce_all_givs): Likewise.
8080 * loop.c (move_movables): Handle flag_move_all_movables.
8081 (strength_reduce): Handle flag_reduce_all_givs.
8082 * toplev.c (flag_move_all_movables): Define.
8083 (flag_reduce_all_givs): Likewise.
8084 (f_options): Add -fmove-all-movables and -freduce-all-givs.
8085 * invoke.texi: Document new options, including alias stuff that
8086 wasn't included last time.
8088 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
8090 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
8093 * t-vxworks68: Ditto.
8094 * t-vxworks960: Ditto.
8097 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
8099 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
8100 if not already defined, and USE_C_ALLOCA not defined.
8102 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
8104 * config.guess: Replace with script that uses ../config.guess.
8106 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
8107 if USE_GNULIBC_1 is not defined.
8109 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
8111 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
8112 * config.guess: Recognize alpha-linux-gnulibc1.
8113 * configure.in (alpha-*-linux-gnulibc1): New target.
8114 (alpha-*-linux-gnu*): Don't build crtbegin/end.
8116 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
8118 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
8121 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
8123 * loop.c (combine_movables): Earlier insns don't match later ones.
8125 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
8127 * config/linux.h (CC1_SPEC): Define it only if not defined.
8129 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
8132 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
8133 USE_GNULIBC_1 is not defined.
8135 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
8137 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
8138 as 1 if USE_GNULIBC_1 is not defined.
8140 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
8142 * reorg.c (dbr_schedule): Allow current_function_return_rtx
8143 to be something other than a REG.
8144 * function.c (expand_function_end): Fix current_function_return_rtx
8147 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
8148 * x-netbsd: Likewise
8149 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
8150 (INSTALL_HEADERS): Delete.
8151 * x-dguxbcs: Likewise.
8152 * x-hp3bsd44: Likewise
8155 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8157 * i386.md (pop): pop increments the stack pointer.
8158 (prologue_set_stack_ptr): New pattern.
8159 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
8162 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
8164 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
8165 address where an offsettable address is required.
8167 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
8169 * loop.c (check_final_value): Don't miss a biv increment in a
8172 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
8174 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
8175 TYPE_DECL_IS_STUB instead of DECL_NAME.
8177 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
8179 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
8181 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
8183 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
8185 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
8187 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
8188 (find_post_sched_live): Likewise.
8190 * haifa-sched.c (schedule_block): Remove old code to get arguments
8191 from hard regs into pseudos early.
8193 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
8195 * version.c: Bump for new snapshot.
8197 * local-alloc.c (update_equiv_regs): All the target to reject
8198 promotion of some REG_EQUAL to REG_EQUIV notes.
8199 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
8201 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
8204 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
8205 store of the argument registers.
8207 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
8209 * fold-const.c (multiple_of_p): New function.
8210 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
8212 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
8214 * expr.h (insn_gen_function): Temporarily remove prototype.
8216 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
8218 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
8219 filenames. Use sed to extract base filename for install.
8221 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
8223 * unroll.c (find_splittable_givs): Only share if two givs have the
8224 same add and multiply values.
8226 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
8228 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
8229 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
8231 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
8233 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
8234 around branch tables.
8235 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
8236 and .end_brtab directives if TARGET_GAS.
8238 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
8240 * alias.c (true_dependence): Pass x_addr not x to varies.
8242 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
8243 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
8244 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
8246 * config.in, configure: Regenerate.
8248 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
8250 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
8252 (record_set): Handle LO_SUM like PLUS.
8253 (init_alias_analysis): When following chains of base addresses,
8254 do not stop on reaching a hard register.
8256 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
8258 * version.c: Bump for new snapshot.
8260 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
8262 * alpha.h (ARCH_ASM_FILE_START): Define.
8263 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
8264 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
8266 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
8268 * Makefile.in (install-common): Put gcov comment at start of line.
8270 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
8272 * alias.c (init_alias_analysis): When simplifying the reg_base_value
8273 array, simplify entries for hard registers too.
8275 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
8277 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
8280 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
8282 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
8283 block_stack before dereferencing it.
8285 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
8287 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
8289 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
8291 * cplus-dem.c: Add 'extern' to prepends_underscore.
8293 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
8295 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
8296 (get_issue_rate): Delete.
8297 * pa.h (ISSUE_RATE): Define.
8299 * configure.in: Turn on haifa by default for the PA.
8300 * configure: Rebuilt.
8301 * pa.c (override_options): Accept -mschedule=7200 option.
8302 (pa_adjust_cost): No longer need to scale costs for newer
8304 * pa.h (enum processor_type): Add PROCESSOR_7200.
8305 * pa.md: Revamp scheduling parameters to work better with
8306 haifa. Add scheduling parameters for the 7200.
8308 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
8310 (schedule_block): When adjusting basic_block_{head,end}, account
8311 for movement of SCHED_GROUP_P insns too.
8313 * haifa-sched.c (debug_dependencies): Fix thinko.
8315 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
8316 (site.exp, check, check-g++, check-gcc): New targets.
8318 * haifa-sched.c: Make lots of variables static.
8320 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
8322 * expr.h, real.h: Finish prototyping.
8324 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
8326 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
8327 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
8328 * reload1.c: Undo bugfix from Aug 11.
8330 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
8332 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
8333 quotes around the name.
8334 * configure: Regenerate.
8336 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
8338 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
8340 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
8342 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
8343 to sub-makes to avoid building more passes than the user might have
8344 requested on the command line.
8346 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
8348 * configure.in: Expurgate `broken_install' (install is
8351 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
8354 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
8356 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
8357 functions and declarations.
8358 (analyze_loop_iterations): Use condjump_p.
8359 (insert_bct): Likewise. Use exact_log2.
8361 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
8363 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
8364 (schedule_region): Likewise.
8365 (schedule_insns): Likewise.
8367 * PROJECTS: Update with Haifa stuff.
8369 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
8371 * version.c: Change the version string to look like:
8372 egcs-2.90.00 970814 (gcc2-970802 experimental).
8374 * loop.c (is_conditional_branch): Make definition match declaration.
8376 * gcc.c: Take out experimental snapshot warning message.
8378 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
8380 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
8381 print out the names of the notes. Print out the name of the insn
8382 that is not a note, and not an {,CALL_,JUMP_}INSN.
8384 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
8386 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
8387 again for the slot after we give it RTL.
8389 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
8391 * configure.in (haifa configury): Fix typo.
8392 * configure: Regenerate.
8394 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
8396 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
8398 * gcc.info*: Rebuilt.
8400 * COPYING.g77, README.g77: New files.
8401 * real.c (ereal_unto_float, ereal_unto_double): New functions.
8402 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
8403 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
8405 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
8407 * Integrate Haifa instruction scheduler.
8408 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
8409 to sched with $(SCHED_CFLAGS.
8410 * configure.in: Handle --enable-haifa.
8411 * configure: Rebuilt.
8412 * flags.h: Add new flags for haifa instruction scheduler.
8413 * genattrtab.c (expand_units): For haifa, don't subtract one
8414 when computing blockage.
8415 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
8416 (flag_schedule_speculative): Ditto.
8417 (flag_schedule_speculative_load): Ditto.
8418 (flag_schedule_speculative_load_dangerous): Ditto.
8419 (flag_schedule_reverse_before_reload): Ditto.
8420 (flag_schedule_reverse_after_reload): Ditto.
8421 (flag_branch_on_count_reg): Ditto.
8422 (f_options): Add Haifa switches.
8423 (main): Turn off some Haifa options if appropriate macro is
8424 defined. Process Haifa switches.
8425 * unroll.c (iteration_info): No longer static, since Haifa
8427 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
8428 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
8429 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
8430 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
8431 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
8432 storage for the Haifa scheduler.
8433 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
8435 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
8436 are defined, call analyze_loop_iterations and insert_bct to use
8438 (record_giv): Refine test for jumps out of loops if HAIFA is
8440 (analyze_loop_iterations): New function to identify if we can use
8442 (insert_bct): Insert countdown loop.
8443 (instrument_loop_bct): Low level code to insert countdown loop.
8444 (loop_number): Calculate UID of loop.
8445 (indirect_jump_in_function_p): Return true if an indirect jump is
8447 (is_power_of_2): Return true if value is a power of 2.
8448 (is_conditional_branch): Return true if insn is a conditional
8450 (fix_bct_param): Process -fbct-{min,max}-N switches.
8451 (check_bct_param): Return true if loop should be instrumented.
8452 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
8453 (loop_optimize): Initialize.
8454 (get_condition_for_loop): Ditto.
8455 * loop.c (strength_reduce): Inside of code that uses #ifdef
8456 HAVE_decrement_and_branch_on_count code, test it to make sure the
8458 (instrument_loop_bct): Ditto.
8459 * haifa-sched.c: New file.
8462 * Integrate regmove pass.
8463 * Makefile.in (OBJS): Add regmove.o
8464 (regmove.o): Add dependencies.
8465 * flow.c (find_use_as_address): No longer static.
8466 * rtl.h (find_use_as_address): Declare.
8467 * toplev.c (regmove_dump, flag_regmove): Define.
8468 (f_options): Add -fregmove.
8469 (regmove_dump_file, regmove_time): Define.
8470 (fatal_insn): Close the regmove dump file.
8471 (compile_file): Initialize regmove_time; open/close the regmove dump
8472 file as needed. Print regmove time as needed.
8473 (rest_of_compilation): Run regmove pass if requested, dump
8474 RTL after regmove if requested.
8475 (main): If -O2 or more, turn on regmove. Handle dump switches.
8476 * regmove.c: New file.
8478 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
8480 * Integrate tlink patch from jason@cygnus.com
8481 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
8482 (process_command): Increment n_switches for them. Don't discard
8483 their args. Validate them.
8484 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
8486 (process_command): Set include_prefixes from COMPILER_PATH.
8487 (main): Set COLLECT_GCC_OPTIONS sooner.
8488 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
8489 * tlink.c, hash.c, hash.h: New files.
8490 * Makefile.in (USE_COLLECT2): Always use collect2.
8491 (collect2): Depend on and link in hash.o and tlink.o.
8492 (tlink.o, hash.o): Add dependencies.
8494 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
8496 * Integrate alias analysis changes from jfc@mit.edu
8497 * Makefile.in (OBJS): Add alias.o
8498 (alias.o): Add dependencies.
8499 * alias.c: New file.
8500 * sched.c: Remove alias analysis code. It lives in alias.c now.
8501 (sched_analyze_2): Add new arguments to true_dependence.
8502 (schedule_insns): Always call init_alias_analysis.
8503 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
8504 mark return value from such functions as a pointer and keep track of
8505 them for alias analysis. If a return value from a function is a
8506 pointer, mark it as such.
8507 * combine.c (distribute_notes): Handle REG_NOALIAS.
8508 * cse.c (struct write_data): Delete. No longer needed.
8509 (invalidate): Don't call set_nonvarying_address_components anymore.
8510 Use true_dependence to decide if an entry should be removed from
8512 (invalidate_memory): Remove WRITES argument, simplify appropriately.
8514 (note_mem_written): Similarly for WRITE_PTR argument.
8515 (invalidate_from_clobbers): Similarly for W argument.
8516 (invalidate_for_call): Remove memory elements from the hash table.
8517 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
8518 (cse_rtx_varies_p): New function. Derived from old
8519 cse_rtx_addr_varies_p.
8520 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
8521 Don't call note_mem_written anymore. Stack pushes invalidate the stack
8522 pointer if PUSH_ROUNDING is defined. No longer need to call
8523 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
8524 (skipped_writes_memory): Remove variable.
8525 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
8526 (invalidate_skipped_block): Simplify for new alias analysis code.
8527 (cse_set_around_loop): Likewise.
8528 (cse_main): Call init_alias_analysis.
8529 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
8530 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
8531 (f_options): Add new alias checking arguments.
8532 (main): Set flag_alias_check when optimizing.
8533 * local_alloc (validate_equiv_mem_from_store): Add new arguments
8535 (memref_referenced_p): Likewise.
8536 * loop.c (NUM_STORES): Increase to 30.
8537 (prescan_loop): Only non-constant calls set unknown_address_altered.
8538 (invariant_p): Add new arguments to true_dependence.
8539 (record_giv): Initialize unrolled and shared fields.
8540 (emit_iv_add_mult): Call record_base_value as needed.
8541 * loop.h (struct induction): Add unrolled and shared fields.
8542 * unroll.c (unroll_loop): Call record_base_value as needed.
8543 (copy_loop_body): Likewise.
8544 (final_biv_value): Likewise.
8545 (final_giv_value): Likewise.
8546 (find_splittable_regs): Likewise. Only create one new pseudo
8547 if we have multiple address GIVs that were combined with the same
8548 dst_reg GIV. Note when a new register is created due to unrolling.
8549 * rtl.c (reg_note_name): Add REG_NOALIAS.
8550 * rtl.h (enum reg_note): Similarly.
8551 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
8552 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
8553 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
8554 (true_dependence, read_dependence, anti_dependence): Likewise.
8555 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
8556 (mark_user_reg, mark_reg_pointer): Likewise.
8559 * Integrate reload bugfix from Wilon which enables the PA port
8561 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
8562 OPERAND_ADDRESS when computing how many registers an insn needs.
8563 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
8565 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
8567 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
8568 in reload_reg_use_in_op_addr do not reach the end.
8569 do not reach the end.
8570 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
8571 RELOAD_FOR_OPERAND_ADDRESS.
8573 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
8575 * egcs project officially starts.