1 Fri Jun 12 18:06:45 1998 Doug Evans <devans@egcs.cygnus.com>
3 * m32r/m32r.h (STARTFILE_SPEC): Delete crtsysc.o.
5 Fri Jun 12 14:57:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7 * mips.c (small_int): Mark parameter `mode' with ATTRIBUTE_UNUSED.
9 (pc_or_label_operand): Likewise.
10 (call_insn_operand): Likewise.
11 (consttable_operand): Likewise.
12 (m16_uimm3_b): Likewise.
13 (m16_simm4_1): Likewise.
14 (m16_nsimm4_1): Likewise.
15 (m16_simm5_1): Likewise.
16 (m16_nsimm5_1): Likewise.
17 (m16_uimm5_4): Likewise.
18 (m16_nuimm5_4): Likewise.
19 (m16_simm8_1): Likewise.
20 (m16_nsimm8_1): Likewise.
21 (m16_uimm8_1): Likewise.
22 (m16_nuimm8_1): Likewise.
23 (m16_uimm8_m1_1): Likewise.
24 (m16_uimm8_4): Likewise.
25 (m16_nuimm8_4): Likewise.
26 (m16_simm8_8): Likewise.
27 (m16_nsimm8_8): Likewise.
28 (m16_usym8_4): Likewise.
29 (m16_usym5_4): Likewise.
30 (mips_move_1word): Change type of variable `i' from int to size_t.
31 (mips_move_2words): Likewise.
32 (output_block_move): Mark parameter `libname' with ATTRIBUTE_UNUSED.
33 (function_arg_advance): Use HOST_PTR_PRINTF to print an address.
34 (function_arg): Likewise.
35 (function_arg_partial_nregs): Mark parameter `named' with
37 (override_options): Use ISDIGIT instead of isdigit.
38 (mips_output_external): Mark parameter `file' with ATTRIBUTE_UNUSED.
39 (final_prescan_insn): Likewise for parameters `opvec' and `noperands'.
40 (save_restore_insns): Cast HOST_WIDE_INT arguments passed to
41 function `fatal' to long before printing. Use
42 HOST_WIDE_INT_PRINT_DEC in fprintf. Both changes done several
43 times in this function.
44 (function_prologue): Mark parameter `size' with ATTRIBUTE_UNUSED.
45 (function_epilogue): Likewise for parameters `file' and `size'.
46 Print an int with "%d" not "%ld".
47 (mips_select_rtx_section): Mark parameter `x' with ATTRIBUTE_UNUSED.
48 (mips_function_value): Likewise for parameter `func'.
49 (function_arg_pass_by_reference): Likewise for parameters `cum'
51 (extend_operator): Likewise for parameter `mode'
52 (highpart_shift_operator): Likewise.
54 * mips.md (mul_acc_si): Remove unused variable `macc'.
56 Fri Jun 12 09:33:44 1998 Richard Henderson <rth@cygnus.com>
58 * fold-const.c (fold): Revert last change. It breaks constant
61 Fri Jun 12 10:23:36 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
63 * expr.c (do_jump, case EQ_EXPR, NE_EXPR): When comparing complex
64 prevent operands from being evaluated twice.
66 Fri Jun 12 00:50:27 1998 Sergey Okhapkin <sos@prospect.com.ru>
68 * toplev.c (lang_options): Add -remap as a preprocessor option.
70 Fri Jun 12 00:30:32 1998 John Wehle (john@feith.com)
72 * i386.md (cmpsi_1, cmphi_1, cmpqi_1): Remove code
73 which set CC_REVERSED since reload should ensure that
74 the operands are already the correct type.
76 Thu Jun 11 17:14:15 1998 Jim Wilson <wilson@cygnus.com>
78 * except.c (expand_builtin_eh_stub): Call emit_move_insn rather than
81 Thu Jun 11 18:45:49 1998 David Edelsohn <edelsohn@mhpcc.edu>
83 * config/rs6000/x-aix43 (AR): Delete.
84 (AR_FOR_TARGET_FLAGS): Add -X32_64 here.
86 Thu Jun 11 16:19:17 1998 David W. Schuler <schuld@btv.ibm.com>
88 * config/i386/aix386ng.h (CPP_SPEC): Remove extraneous quote.
90 Thu Jun 11 12:40:27 1998 Jim Wilson <wilson@cygnus.com>
92 * mips.c (override_options): Replace word_mode with explicit
95 Thu Jun 11 14:50:02 1998 Michael Meissner <meissner@cygnus.com>
97 * regmove.c (regmove_optimize): If we can't replace the
98 destination in an insn that sets the source, generate an explicit
99 move of the source to the destination.
100 (copy_src_to_dest): New function.
101 (toplevel): Include basic-block.h
103 * Makefile.in (regmove.o): Add basic-block.h dependencies.
105 Thu Jun 11 10:30:09 1998 Dave Brolley <brolley@cygnus.com>
107 * toplev.c (lang_options): Add missing options (nostdinc, idirafter).
109 Wed Jun 10 23:39:32 1998 Mark Mitchell <mark@markmitchell.com>
111 * rtl.h (rtx_def): Improve documentation.
112 (MEM_IN_STRUCT_P): Likewise.
114 Wed Jun 10 23:23:17 1998 Graham <grahams@rcp.co.uk>
116 * c-decl.c (start_decl): Correct test for -Wmain.
118 * c-decl.c (grokdeclarator): Remove unused variable "last".
120 Wed Jun 10 14:52:27 1998 Jim Wilson <wilson@cygnus.com>
122 * expr.c (expand_builtin_setjmp): Store const1_rtx in target.
123 (expand_builtin_longjmp): Abort if value isn't const1_rtx.
124 Delete code storing value in static_chain_rtx.
125 (expand_builtin, case BUILT_IN_LONGJMP): Pass NULL_RTX for target
126 to second expand_expr call.
128 Wed Jun 10 13:08:41 1998 Mark Mitchell <mark@markmitchell.com>
130 * mips/mips.c: Remove -mabi=o32 and -mabi=n64.
132 Wed Jun 10 13:41:23 1998 Dave Brolley <brolley@cygnus.com>
134 * cppmain.c (fatal): New function.
135 * configure.in (cpp_main): New configuration variable.
136 * configure: Regenerated.
137 * Makefile.in (CCCP): Use a configuration variable to select basex
139 (cppmain$(exeext)): Add @extra_cpp_objs@.
141 Wed Jun 10 13:07:02 1998 Dave Brolley <brolley@cygnus.com>
143 * objc/objc-act.c: Add cpplib declarations.
144 (lang_decode_option): Initialize cpplib if necessary.
145 (lang_decode_option): New argc/argv interface.
146 * tree.h (lang_decode_option): New argc/argv interface.
147 * toplev.c (lang_options): Add cpp options.
148 (main): New interface for lang_decode_option.
149 * gcc.c (default_compilers): Don't call cpp for a cpplib-enabled C compiler
150 unless -E, -M or -MM is specified.
151 * cpplib.h (cpp_handle_option): New function.
152 * cpplib.c (cpp_handle_option): New function.
153 (cpp_handle_options): Now calls cpp_handle_option.
154 * c-tree.h (c_decode_option): New argc/argv interface.
155 * c-lex.c (init_parse): cpplib now initialized in c_decode_option.
156 * c-lang.c (lang_decode_option): New argc/argv interface.
157 * c-decl.c: Add cpplib declarations.
158 (c_decode_option): New argc/argv interface.
159 (c_decode_option): Call cpp_handle_option.
160 (c_decode_option): Now returns number of strings processed.
162 Wed Jun 10 09:47:13 1998 Richard Earnshaw (rearnsha@arm.com)
164 * unroll.c (verify_addresses): Use validate_replace_rtx to undo the
165 changes. Abort if the undo fails.
167 Wed Jun 10 08:56:27 1998 John Carr <jfc@mit.edu>
169 * reload1.c (reload_cse_simplify_operands): Do not call gen_rtx_REG
170 for each alternative. Do not replace a CONST_INT with a REG unless
173 Wed Jun 10 02:11:55 1998 Jeffrey A Law (law@cygnus.com)
175 * decl.c (init_decl_processing): Fix typo.
177 * mips.c (gpr_mode): New variable.
178 (override_options): Initialize gpr_mode.
179 (compute_frame_size): Use "gpr_mode" instead of "word_mode" to
180 determine size and offset of general purpose registers save slots.
181 (save_restore_insns, mips_expand_prologue): Similarly.
183 * reload.c (find_reloads_toplev): Use gen_lowpart common to convert
184 between constant representations when we have (SUBREG (REG)) with
185 REG equivalent to a constant.
187 Wed Jun 10 01:39:00 1998 Juha Sarlin <juha@c3l.tyreso.se>
189 * h8300.c (get_shift_alg): Add special cases for shifts of 8 and 24.
191 Tue Jun 9 22:05:34 1998 Richard Henderson <rth@cygnus.com>
193 * fold-const.c (fold): Even with otherwise constant trees, look for
194 opportunities to combine integer constants.
196 Wed Jun 3 23:41:24 EDT 1998 John Wehle (john@feith.com)
198 * i386.c (notice_update_cc): Clear cc_status.value2 in the
199 case of UNSPEC 5 (bsf).
201 * i386.md (movsfcc, movdfcc, movxfcc): The floating point
202 conditional move instructions don't support signed integer
205 Tue Jun 9 14:31:19 1998 Nick Clifton <nickc@cygnus.com>
207 * config/v850/t-v850 (TCFLAGS): Add assembler options to warn of
210 * config/v850/lib1funcs.asm (__return_interrupt): Use 'addi
211 16,sp,sp' ratehr than 'add 16,sp'. Patch courtesy of Biomedin
214 Tue Jun 9 16:23:13 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
216 * except.c (expand_start_catch): Rename to start_catch_handler.
217 (expand_end_catch): Delete function.
218 (expand_end_all_catch): Remove catch status that expand_end_catch
220 * except.h (expand_start_catch): Rename prototype.
221 (expand_end_catch): Delete prototype.
223 Tue Jun 9 12:57:32 1998 Mark Mitchell <mark@markmitchell.com>
225 * invoke.texi: Add documentation for -mips4 and -mabi=*.
227 Tue Jun 9 12:12:34 1998 Klaus Kaempf (kkaempf@progis.de)
229 * alpha/vms.h (EXTRA_SECTIONS): Add in_ctors and in_dtors.
230 (EXTRA_SECTION_FUNCTIONS): Add ctors_section and dtors_section.
231 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
233 Tue Jun 9 12:10:27 1998 John Carr <jfc@mit.edu>
235 * haifa-sched.c (update_flow_info): Use UNITS_PER_WORD, not MOVE_MAX,
236 as the threshold to permit splitting memory operations.
238 Tue Jun 9 12:36:16 1998 Jeffrey A Law (law@cygnus.com)
240 * mips.c (gpr_mode): New variable.
241 (override_options): Initialize gpr_mode.
242 (compute_frame_size): Use "gpr_mode" instead of "word_mode" to
243 determine size and offset of general purpose registers save slots.
244 (save_restore_insns, mips_expand_prologue): Similarly.
246 * Makefile.in (LIB2FUNCS_EH): Define. Just "_eh" for now.
247 (LIBGCC2_CFLAGS): Remove -fexceptions.
248 (LIB2FUNCS): Remove "_eh".
249 (libgcc2.a): Iterate over LIB2FUNCS_EH and build everything in
250 it with -fexceptions.
252 * Makefile.in (local-alloc.o): Depend on insn-attr.h.
253 * local-alloc.c (block_alloc): Avoid creating false
254 dependencies for targets which use instruction scheduling.
256 Tue Jun 9 02:40:49 1998 Richard Henderson <rth@cygnus.com>
258 * mips/elf.h (ASM_DECLARE_OBJECT_NAME): Define.
259 (ASM_FINISH_DECLARE_OBJECT): Define;
260 * mips/elf64.h: Likewise.
262 Tue Jun 9 01:08:47 1998 Richard Henderson <rth@cygnus.com>
264 * toplev.c (flag_new_exceptions): Remove extraneous `extern'.
266 Mon Jun 8 23:24:48 PDT 1998 Jeff Law (law@cygnus.com)
268 * version.c: Bump for snapshot.
270 Mon Jun 8 23:24:58 1998 David Edelsohn <edelsohn@mhpcc.edu>
272 * rs6000.md (mulsidi3): Add !TARGET_POWERPC64 constraint.
273 (mulsidi3_ppc64): Delete.
275 Mon Jun 8 20:57:40 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
277 * Makefile.in (varasm.o): Depend on dbxout.h.
278 (cse.o): Depend on toplev.h and output.h.
279 (gcse.o): Depend on output.h.
281 * mips.c: Include system.h and toplev.h and remove redundant code.
282 Include output.h after tree.h so all its prototypes get activated.
283 * mips.md (table_jump): Remove unused variable `dest'.
285 * sparc.h: Add prototype for `v8plus_regcmp_op'.
287 * crtstuff.c (fini_dummy, init_dummy): Mark function definitions
288 with __attribute__ ((__unused__)).
289 (__frame_dummy): Provide prototype before use, wrap it with
290 EH_FRAME_SECTION_ASM_OP.
292 * cse.c: Move inclusion of <setjmp.h> above local headers.
293 Include toplev.h and output.h.
295 * dbxout.h: Add prototype for `dbxout_begin_function'.
297 * final.c (final_scan_insn): Wrap variable `max_skip' in macro
298 ASM_OUTPUT_MAX_SKIP_ALIGN.
300 * gcse.c: Include system.h and output.h.
301 (dump_cuid_table, dump_rd_table, dump_cprop_data, dump_pre_data):
302 Make extern instead of static.
303 (compute_can_copy): Only declare variables `reg' and `insn' when
304 AVOID_CCMODE_COPIES is not defined.
305 (record_set_info): Mark parameter `setter' with ATTRIBUTE_UNUSED.
306 (hash_scan_clobber): Likewise for `x' and `insn'.
307 (hash_scan_call): Likewise.
308 (record_last_set_info): Likewise for `setter'.
309 (mark_call): Likewise for `pat'.
310 (pre_insert_insn): Wrap variable `note' in macro HAVE_cc0.
312 * libgcc2.c (__bb_init_prg): Replace bzero with memset and fix the
313 length parameter so that it multiplies the number of elements by
316 * output.h: Add prototype for `weak_finish'.
318 * recog.h: Likewise for `validate_replace_src'.
320 * rtl.h: Likewise for `optimize_save_area_alloca',
321 `fix_sched_param', `purge_addressof', `gcse_main',
322 `regmove_optimize', `dbr_schedule', `branch_prob' and
325 * toplev.h: Likewise for `set_float_handler' and
326 `output_quoted_string'.
328 * varasm.c: Include dbxout.h.
330 Mon Jun 8 18:12:06 1998 Jim Wilson <wilson@cygnus.com>
332 * mips.c (mips_secondary_reload_class): Use gp_reg_p instead of
333 GP_REG_P. Use gr_regs instead of GR_REGS.
335 Mon Jun 8 16:54:12 1998 Ken Raeburn <raeburn@cygnus.com>
336 Jeff Law <law@cygnus.com>
338 * Revamped multiply support for MIPS chips.
339 * mips.c (extend_operator): New function.
340 (highpart_shift_operator): Likewise.
341 * mips.h: Declare new functions.
342 (PREDICATE_CODES): Add support for new predicates.
343 * mips.md (mulsi3 expander): Simplify.
344 (mulsi_mult3): Add another constraint alternative. Support
345 3 operand multiply instructions as found on various mips
347 (mulsi3_r4650): Delete pattern, now handled by mulsi_mult3.
348 (mul_acc_si): New pattern and associated splitters.
349 (mulsidi3 expander): Rework to use mulsidi3_64bit and
351 (umulsidi3): New expander.
352 (mulsidi3_internal): Accept either sign or zero extended
353 operands and generate code as appropriate appropriately.
354 (mulsidi3_64bit): Similarly.
355 (smulsi3_highpart): Turn into an expander and generate code
356 to match new patterns.
357 (umulsi3_highpart): Likewise.
358 (xmulsi3_highpart_internal): New pattern.
359 (maddi patterns): Delete. Replace with:
360 (mul_acc_di, mul-acc_64bit_di): New patterns.
362 Mon Jun 8 14:16:15 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
364 * eh-common.h: Remove NEW_EH_MODEL compile time flag, and replace with
365 flag_new_exceptions runtime flag.
366 (struct old_exception_table): New struct which represents what
367 the exception table looks like without the new model.
368 (NEW_EH_RUNTIME): New value used as a tag in the exception table to
369 flag that this is a new style table.
370 * except.h: Remove compile time flag NEW_EH_MODEL.
371 (expand_builtin_eh_stub_old): New prototype.
372 * tree.h (enum built_in_function): Add BUILT_IN_EH_STUB_OLD.
373 * expr.c (expand_builtin): New builtin func BUILT_IN_EH_STUB_OLD.
374 * c-decl.c (init_decl_processing): Add new builtin function
375 __builtin_eh_stub_old.
376 * final.c (final_scan_insn): Replace compile time flag NEW_EH_MODEL.
377 * flags.h (flag_new_exceptions): New runtime flag.
378 * toplev.c (flag_new_exceptions): Initialize default to 0,
379 -fnew-exceptions sets to 1.
380 * except.c (output_exception_table_entry): Output New style exception
381 identifier into table, and replace compile time flag NEW_EH_MODEL
382 with runtime flag flag_new_exceptions.
383 (output_exception_table): Replace compile time flag NEW_EH_MODEL.
384 (expand_builtin_eh_stub_old): Duplicates original functionality of
385 expand_builtin_eh_stub.
386 (expand_builtin_eh_stub): Replace compile time flag NEW_EH_MODEL.
387 * libgcc2.c (find_exception_handler): Remove NEW_EH_MODEL #ifdefs.
388 (old_find_exception_handler): New func, same as find_exception_handler
389 except it works on the old style exception table.
390 (__throw): Replace NEW_EH_MODEL. Detect new model based on presence
391 of identifier in the exception table, and call appropriate routines.
393 Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com>
395 * function.c: Define current_function_cannot_inline.
396 (push_function_context_to): Save it.
397 (pop_function_context_from): Restore it.
398 * function.h (struct function): Provide it a home.
399 * output.h: Declare it.
400 * integrate.c (function_cannot_inline_p): Check it.
402 Mon Jun 8 10:43:15 1998 Richard Henderson <rth@cygnus.com>
404 * expr.c (force_operand): Detect PIC address loads before
405 splitting arithmetic.
407 Mon Jun 8 09:22:38 PDT 1998 Jeff Law (law@cygnus.com)
409 * version.c: Bump for snapshot.
411 Mon Jun 8 02:55:56 1998 Graham <grahams@rcp.co.uk>
413 * tree.c (tree_class_check): Add braces to eliminate ambigious
415 (tree_check): Likewise.
417 Mon Jun 8 02:49:23 1998 H.J. Lu (hjl@gnu.org)
419 * reg-stack.c (subst_stack_regs_pat): Make sure the top of
420 stack is the destination for conditional move insn.
422 Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com>
424 * tree.h (TREE_VEC_END): Cast unused value to void.
426 * i386.c (print_operand): Use %lx for long operand.
428 Mon Jun 8 00:04:07 1998 Richard Henderson <rth@cygnus.com>
430 * alpha.c (summarize_insn): Ignore rtl slot format 'i'.
432 Sun Jun 7 14:15:45 1998 John Carr <jfc@mit.edu>
434 * sol2.h (INIT_SUBTARGET_OPTABS): Use Solaris libc float/long long
435 conversion functions.
437 Sun Jun 7 14:02:58 1998 Richard Henderson <rth@cygnus.com>
439 * toplev.c (flag_exceptions): Default to 0.
440 (compile_file): Remove flag_exceptions == 2 hack.
441 (main): Call lang_init_options.
442 * tree.h: Declare it.
443 * c-lang.c: Implement it.
444 * objc/objc-act.c: Likewise.
446 Sun Jun 7 12:27:30 1998 David Edelsohn <edelsohn@mhpcc.edu>
448 * rs6000.md (restore_stack_block): Generate MEM and specify mode.
449 * rs6000.h (STACK_SAVEAREA_MODE): SAVE_FUNCTION is VOIDmode.
450 * rs6000.c (rs6000_output_load_toc_table): Use fputs.
451 (output_function_profiler): Use asm_fprintf and fputs.
453 Sat Jun 6 12:17:12 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
455 * gencheck.c: Remove redundant stdio.h include. Add a definition
456 of xmalloc for when we are forced to link with alloca.o.
458 * reload1.c (reload_reg_free_for_value_p): Use `(unsigned)1'
461 * fold-const.c (constant_boolean_node): Make definition static to
464 Fri Jun 5 15:53:17 1998 Per Bothner <bothner@cygnus.com>
466 * gcc.c (lang_specific_pre_link): New LANG_SPECIFIC_DRIVER function.
467 (lang_specific_extra_outfiles): New LANG_SPECIFIC_DRIVER variable.
468 (do_spec, input_filename, input_filename_length): Make public.
469 (main): Adjust outfiles allocation by lang_specific_extra_outfiles.
470 Call lang_specific_pre_link befor elinking.
472 Fri Jun 5 12:29:28 1998 Jeffrey A Law (law@cygnus.com)
474 * haifa-sched.c (rank_for_schedule): For "equally good insns", prefer
475 the insn which has the most insns dependent on it.
477 Fri Jun 5 09:03:22 1998 John Carr <jfc@mit.edu>
479 * alias.c (find_base_value): Avoid reading past end of reg_base_value.
481 Fri Jun 5 03:05:34 1998 Richard Henderson <rth@cygnus.com>
483 * alpha.md (insxh-1): New insxl pattern for combine.
485 Fri Jun 5 01:12:15 1998 H.J. Lu (hjl@gnu.org)
487 * i386/i386.c (output_fp_conditional_move): New function
488 to output floating point conditional move.
489 (output_int_conditional_move): New function to output integer
492 * i386/i386.md (movsicci+5, movhicc+5, movdicc+5): Call
493 output_int_conditional_move () to output int conditional move.
494 (movsfcc+5, movdfcc+5, movxfcc+5): Call
495 output_fp_conditional_move () to output floating point
498 * i386/i386.c (put_condition_code): In INT mode, check
499 cc_prev_status.flags & CC_NO_OVERFLOW for GE and LT.
501 Thu Jun 4 16:09:51 1998 Dave Brolley <brolley@cygnus.com>
503 * dbxout.c (dbxout_type): Output arrays of bits as if
504 they were bitstrings for Chill
506 Thu Jun 4 14:35:27 1998 David Edelsohn <edelsohn@mhpcc.edu>
508 * tree.c (get_inner_array_type): New function.
509 * tree.h (get_inner_array_type): Prototype.
510 * expr.h (STACK_SAVEAREA_MODE): New macro.
511 * expr.c (expand_builtin_setjmp): Initialize sa_mode using
513 (expand_builtin_longjmp): Likewise.
514 * explow.c (emit_stack_save): Likewise.
515 (allocate_dynamic_stack_space): Use Pmode not insn_operand_mode.
517 * rs6000/aix41.h (ASM_CPU_SPEC): Define relative to ASM_DEFAULT_SPEC.
518 (CPP_CPU_SPEC): Define relative to CPU_DEFAULT_SPEC.
519 * rs6000/aix43.h: New file.
520 * rs6000/t-aix43: New file.
521 * rs6000/x-aix41: New file.
522 * rs6000/x-aix43: New file.
523 * configure.in (rs6000-ibm-aix*): Use them.
524 * rs6000/powerpc.h: Delete.
525 * rs6000/sysv4.h: Move necessary powerpc.h definitions to here.
526 * rs6000/netware.h: and here.
527 * rs6000/win-nt.h: and here.
529 * rs6000/rs6000.c (processor_target_table, 620): Do not affect
531 (rs6000_override_options): Ignore flag_pic for AIX.
532 (rs6000_immed_double_const): Delete.
533 (u_short_cint_operand): Don't assume 32-bit CONST_INT.
534 (reg_or_u_short_operand): Don't assume 32-bit CONST_INT.
535 (num_insns_constant): mask64_operand() is 2 insns.
536 (logical_operand): Don't assume 32-bit CONST_INT.
537 (non_logical_cint_operand): Don't assume 32-bit CONST_INT.
538 (easy_fp_constant): Any CONST_DOUBLE_HIGH is okay for 64-bit.
539 (mask_constant): HOST_WIDE_INT parameter.
540 (non_and_cint_operand): Delete.
541 (mask64_operand): New function.
542 (and64_operand): New function.
543 (function_arg_advance): DImode arguments do not need special
544 alignment when 64-bit.
545 (function_arg): Likewise.
546 (setup_incoming_varargs): Reverse reg_size assignment.
547 (print_operand): HOST_WIDE_INT second parameter.
548 (print_operand, 'B'): New case.
549 (print_operand, 'M'): Fix typo in lossage string.
550 (print_operandm 'S'): New case.
551 (rs6000_stack_info): Reverse reg_size assignment. Use total_raw_size
552 to compute AIX push_p. Use reg_size to compute {cr,lr}_save_offset.
553 (rs6000_output_load_toc_table): Reverse init_ptr assignment. Use
554 TARGET_64BIT not TARGET_POWERPC64. Convert fprintf to fputs.
555 Load GOT highpart, don't add it. Add lowpart with {cal|la}.
556 (rs6000_allocate_stack_space): Use {cal|la}.
557 (output_epilog): Use {cal|la}
558 (output_function_profiler): Add call glue to mcount call.
559 Load GOT highpart, don't add it. Add lowpart with {cal|la}.
561 * rs6000/rs6000.h (TARGET_SWITCHES): Add powerpc64.
562 (STACK_BOUNDARY): Depend on TARGET_32BIT.
563 (ADJUST_FIELD_ALIGN): Calculate array alignment using innermost type.
564 (CONST_OK_FOR_LETTER_P): Don't assume 32-bit CONST_INT.
565 (EXTRA_CONSTRAINTS): Remove NT 'S' and 'T'. Replace 'S' with
567 (RS6000_SAVE_TOC): Depend on TARGET_32BIT.
568 (STACK_SAVEAREA_MODE): New macro.
569 (LEGITIMATE_CONSTANT_P): DImode okay for 64bit.
570 (LEGITIMIZE_RELOAD_ADDRESS): New macro.
571 (RTX_COSTS, AND/IOR/XOR): Reflect current machine description.
572 (ASM_FILE_START): Emit 64-bit ABI directive.
573 (ASM_DECLARE_FUNCTION_NAME): Align CSECT on doubleword in 64-bit mode.
574 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): DImode okay for 64-bit.
575 (PREDICATE_CODES): Add "and64_operand" and "mask64_operand".
576 Delete "non_and_cint_operand". "input_operand" includes CONST_DOUBLE.
578 * rs6000/rs6000.md (iorsi3, xorsi3): Use HOST_WIDE_INT for mask.
579 Restore define_splits.
580 (floatsidf2, floatunssidf2): Remove !TARGET_POWERPC64 final constraint.
581 (floatsidf2_internal, floatunssidf2_internal2): Likewise.
582 Do not specify base register operand mode.
583 (floatsidf2_loadaddr): Do not specify base register operand mode.
584 (floatsidf2_store1, floatsidf2_store2): Operand 1 must be base
585 register; do not specify mode. Remove !TARGET_POWERPC64 final
587 (floatsidf2_load): Do not specify base register operand mode. Remove
588 !TARGET_POWERPC64 final constraint.
589 (fix_truncdfsi2_internal, fix_truncdfsi2_{store,load}): Do not specify
590 base register operand mode.
591 (adddi3): Split large constants early.
592 (absdi3): Shift by 63, not 31.
593 (*mulsidi3_ppc64): New pattern.
594 (rotldi3): Add masking combiner patterns.
595 (anddi3): Add rldic{r,l} masking. Remove split of large constants
596 because PPC insns zero-extend.
597 (iordi3, xordi3): Split large constants early.
598 (movsi matcher): Remove S and T constraints.
599 (movsf const_double): create SImode constant from TARGET_DOUBLE.
600 (movdf_hardfloat32): Add default abort() case.
601 (movdf easy_fp_const): create DImode constant from TARGET_DOUBLE.
602 (movdi): Remove 64-bit constant generator. Try to convert
603 CONST_DOUBLE to CONST_INT. Handle TOC memory constants.
604 (movdi_32): Add default abort() case.
605 (movdi_64): Add numerous ways to split 64-bit constants.
606 Make catch-all define_split more optimal and never FAIL.
607 (movti_ppc64): Add default abort() case.
608 (allocate_stack): Remove operand modes. Use Pmode.
609 (restore_stack_block): Remove operand modes. Generate Pmode
611 (save_stack_nonlocal, restore_stack_nonlocal): Generate Pmode
612 temporary. Save area is double Pmode.
613 (call_indirect_aix64, call_value_indirect_aix64): New patterns.
614 (call, call_value): Do not specify address operand mode. Choose
616 (*call_local64, *ret_call_local64): New patterns.
617 (*call_nonlocal_aix64, *ret_call_nonlocal_aix64): New patterns.
618 (*ret_call_nonlocal_aix32): Use call_value_indirect for REG.
619 (compare): Materialize DImode truthvalues.
621 Thu Jun 4 01:26:57 1998 Craig Burley <burley@gnu.org>
623 * expr.c (safe_from_p): Avoid combinatorial explosion
624 over duplicate SAVE_EXPRs by ensuring we never recurse
625 on one that has already been visited.
627 Thu Jun 4 00:54:21 1998 Graham <grahams@rcp.co.uk>
629 * loop.c (check_dbra_loop): Initialise final_value before
630 normalizing the loop.
632 Wed Jun 3 20:00:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
634 * reload1.c (reload_reg_free_for_value_p): New arguments out and
635 reloadnum. Changed all callers.
637 1998-06-03 Ulrich Drepper <drepper@cygnus.com>
639 * system.h: Add _() and N_() macros in preparation for gettext.
641 Wed Jun 3 11:02:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
643 * c-common.c (check_format_info): Put back check for C9x `hh'
644 length modifier. Warn about %n format writing into const. Remove
646 (format_char_info): Fix comments.
648 * configure.in: Set float_format to m68k for all m68k targets that
649 do not override LONG_DOUBLE_TYPE_SIZE.
650 * config/float-m68k.h: New file.
652 Tue Jun 2 23:14:01 1998 Richard Henderson <rth@cygnus.com>
654 * jump.c (jump_optimize): Remove debug messages accidentally left in
655 with the previous change.
657 Tue Jun 2 22:46:08 1998 Richard Henderson <rth@cygnus.com>
659 * expr.c (store_expr): Revert stray patch associated with
662 Tue Jun 2 21:59:01 1998 Richard Henderson <rth@cygnus.com>
664 * jump.c (rtx_unsafe_p): New function.
665 (jump_optimize): Use it on if/then/else transformations and
666 conditional move transformations.
668 Tue Jun 2 22:50:10 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
670 * fold-const.c (fold, case EQ_EXPR): When folding VAR++ == CONST
671 or VAR-- == CONST construct a proper mask if VAR is a bitfield.
672 Cope with CONST being out of range for the bitfield.
674 Tue Jun 2 22:28:31 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
676 * expr.c (emit_move_insn_1): When moving complex values in several
677 steps, emit a CLOBBER to show the destination dies.
679 Tue Jun 2 22:17:26 1998 Jeffrey A Law (law@cygnus.com)
681 * Makefile.in (site.exp): Use the object testsuite directory as
682 the temporary directory.
684 * expr.c (expand_expr, case ADDR_EXPR): Handle taking the
685 address of an ADDRESSOF rtx.
687 1998-06-02 Mike Stump <mrs@wrs.com>
689 * expr.c (expand_builtin_setjmp): Handle BUILTIN_SETJMP_FRAME_VALUE.
690 * i960.h (SETUP_FRAME_ADDRESSES, BUILTIN_SETJMP_FRAME_VALUE): Define.
691 * i960.md (ret, flush_register_windows): Define.
692 (nonlocal_goto): Likewise. Nested function nonlocal gotos don't
694 * tm.texi (BUILTIN_SETJMP_FRAME_VALUE): Document new macro.
696 Tue Jun 2 14:02:38 1998 Richard Henderson <rth@cygnus.com>
698 * alpha.md (divsi3, udivsi3, modsi3, umodsi3): Enable, and work
699 around an OSF/1 library bug wrt sign-extension of inputs.
701 Tue Jun 2 13:02:44 1998 Richard Henderson <rth@cygnus.com>
703 * vax/netbsd.h (DWARF2_UNWIND_INFO): Must be undef, not defined 0.
705 Mon Jun 1 03:44:03 1998 Catherine Moore <clm@cygnus.com>
707 * config/sh/sh.h (MAX_OFILE_ALIGNMENT): Define.
709 * varasm.c (assemble_variable): Augment alignment warning.
711 Mon Jun 1 12:14:28 1998 Michael Meissner <meissner@cygnus.com>
713 * config/fp-bit.c (_fp{add,div}_parts): Return correct IEEE result
714 in the presence of IEEE negative 0's.
716 Sun May 31 16:11:41 1998 John Wehle (john@feith.com)
718 * reload.c (find_reloads): Record the existing mode if
719 operand_mode == VOIDmode before replacing a register with
721 * i386.md (tstsi, tsthi, tstqi, tstsf, tstdf, tstxf): Set
722 i386_compare_op1 to const0_rtx for the benefit of the
723 conditional move patterns.
724 (movsicc, movhicc, movsfcc, movdfcc, movxfcc, movdicc): Rewrite
725 based on suggestions from Jim Wilson.
727 Sun May 31 00:44:02 PDT 1998 Jeff Law (law@cygnus.com)
729 * version.c: Bump for snapshot.
731 Sun May 31 00:34:17 1998 Bruce Korb <korbb@datadesign.com>
733 * Makefile.in (fixinc.sh): Update rules again.
735 Sun May 31 00:27:47 1998 Jeffrey A Law (law@cygnus.com)
737 * extend.texi: Bring back reference to trampoline paper.
739 Sun May 31 00:22:34 1998 Ulrich Drepper <drepper@cygnus.com>
741 * Makefile.in (USER_H): Add stdbool.h.
742 * ginclude/stdbool.h: New file.
744 Fri May 29 01:48:25 1998 Jeffrey A Law (law@cygnus.com)
746 * jump.c (thread_jumps): Do not look at the NOTE_LINE_NUMBER
749 * gcse.c (pre_delete): Fix code to determine the mode of
750 the reaching pseudo register.
752 Fri May 29 01:07:28 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
754 * Makefile.in (GEN): Add gencheck
755 (STAGESTUFF): Add tree-check.h and gencheck.
757 Fri May 29 00:57:37 1998 Bruce Korb <korbb@datadesign.com>
759 * Makefile.in (cstamp-h.in): Remove before trying to recreate.
760 (fixinc.sh): Set some additional environment variables before
763 Thu May 28 12:57:05 1998 Jeffrey A Law (law@cygnus.com)
765 * reload.c (find_reloads): Do not force a reloads of match_operators.
767 Thu May 28 10:22:22 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
769 * except.h (remove_handler): Add new prototype.
770 * except.c (remove_handler): New function to remove handlers
771 from an exception region.
772 * flow.c (find_basic_blocks_1): Remove handlers from regions when
773 handler label is deleted; remove exception regions with no handlers.
775 Thu May 28 09:36:39 1998 Michael Meissner <meissner@cygnus.com>
777 * except.h (rtx): Define rtx type correctly if needed.
778 * function.h (rtx): Ditto.
779 (tree): Define tree type correctly if needed.
781 * c-pragma.c (toplevel): Include rtl.h.
783 * stor-layout.c (toplevel): Move include of rtl.h before
786 * Makefile.in (c-pragma.o): Add except.h, rtl.h dependencies.
787 (tree.o): Add except.h dependency.
789 Wed May 27 22:02:40 1998 Jeffrey A Law (law@cygnus.com)
791 * reload1.c: Revert accidental checkin.
793 * configure.lang: Fix thinko when adding a definition for
794 target_alias to the Makefile.
796 Wed May 27 02:50:00 1998 Catherine Moore (clm@cygnus.com)
798 * config/sparc/lb1spc.asm (.rem and .urem): Replace
801 Wed May 27 02:48:31 1998 Richard Earnshaw (rearnsha@arm.com)
803 * arm.c (arm_gen_constant): Rework to eliminate uninitialized
804 variable warnings. Don't generate scratch registers if only
806 (find_barrier): Eliminate unused variable SRC.
808 1998-05-27 Manfred Hollstein <manfred@s-direktnet.de>
810 * toplev.h (rtx_def): Provide global declaration to avoid
811 `limited scope' warnings.
813 Tue May 26 23:47:52 1998 Mumit Khan <khan@xraylith.wisc.edu>
815 * Makefile.in (gencheck.o): Use HOST_CC.
816 * i386/t-mingw32: New file.
817 * configure.in (i386-*-mingw32*): Use.
819 Tue May 26 07:31:04 1998 Richard Earnshaw (rearnsha@arm.com)
821 * arm.c (bad_signed_byte_operand): New predicate function.
822 * arm.h (PREDICATE_CODES): Add it to the list.
823 * arm.md (*extendqi[sh]i_insn): Split any addresses that ldrsb
825 (define_split): Two new splits for above insns.
827 * arm.c: Include toplev.h.
828 (arm_override_options): Add parentheses around use of tune_flags.
829 (arm_split_constant): Remove unused variable.
830 (arm_gen_constant, arm_gen_movstrqi, add_constant): Likewise.
831 (output_func_prologue, arm_expand_prologue): Likewise.
832 (arm_canonicalize_comparison): Make I unsigned; rework constants
833 accordignly. Add missing paratheses around << operation.
834 (arm_rtx_costs): Correctly parenthesise MULT costs. Add a DEFAULT
836 ({load,store}_multiple_sequence): Initialize BASE_REG.
837 (select_dominance_cc_mode): Add DEFAULT clauses.
838 (broken_move): Return zero if the destination is not a register.
839 (arm_reorg): Move unused REGNO declaration into the dead code.
840 * arm.h (CANONICALIZE_COMPARISON): Ensure OP1 is updated.
842 Mon May 25 22:49:56 PDT 1998 Jeff Law (law@cygnus.com)
844 * version.c: Bump for snapshot.
846 Mon May 25 11:56:24 PDT 1998 Jeff Law (law@cygnus.com)
848 * version.c: Bump for snapshot.
850 Mon May 25 14:00:13 1998 Dave Brolley <brolley@cygnus.com>
852 * cpperror.c (v_cpp_message): Remove static prototype.
853 * cpplib.c (v_cpp_message): Move prototype to cpplib.h.
854 * cpplib.h (v_cpp_message): Add protoptype.
855 (stdarg.h,varargs.h): Needed for v_cpp_message prototype.
857 Sun May 24 20:36:15 PDT 1998 Jeff Law (law@cygnus.com)
859 * version.c: Bump for snapshot.
861 Sun May 24 02:08:57 PDT 1998 Jeff Law (law@cygnus.com)
863 * version.c: Bump for snapshot.
865 1998-05-24 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
867 * m68k.h: Declare more functions used in macros.
868 (REG_CLASS_CONTENTS): Completely embrace initializer.
869 * m68k.md (adddi3, subdi3): Add abort call to avoid warning
870 about returning no value.
871 * cse.c (find_best_addr): Declare p and found_better only if
873 * dbxout.c (dbxout_continue): Define only if DBX_CONTIN_LENGTH > 0.
874 * dwarfout.c (string_length_attribute): #if 0 away.
875 * function.c (expand_function_end): Define varible blktramp only
877 * jump.c (find_insert_position): Define only if !HAVE_cc0.
878 * loop.c (combine_givs_p): Define variable tem only if needed.
879 * real.c: Comment out unused functions eabs, eround,
880 e{24,53,64,113}toasc and eiinfin.
883 Sat May 23 23:44:53 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
885 * Makefile.in (boostrap2-lean, bootstrap3-lean,
886 bootstrap4-lean): New targets.
888 Sat May 23 23:35:14 1998 Jeffrey A Law (law@cygnus.com)
890 * warn_summary, test_summary: Moved into the contrib directory.
892 1998-05-23 Manfred Hollstein <manfred@s-direktnet.de>
894 * Makefile.in (ENQUIRE_CFLAGS, ENQUIRE_LDFLAGS): Move down to the end
896 (FLOAT_H_TEST): Likewise.
898 (float.h-nat): Likewise.
899 (float.h-cross): Likewise.
901 (enquire.o): Likewise.
902 (stmp-int-hdrs): Fix comment about enquire; depend upon gfloat.h.
903 (stmp-headers): Move actions to stmp-int-hdrs, retaining only a
905 (FLOAT_H): Remove old float.h-nat version; move current definition
906 to CROSS_FLOAT_H location.
907 (all.cross): Remove comments about enquire stuff.
909 * Makefile.in (all.cross): Swap $(LIBGCC) and $(STMP_FIXPROTO).
910 (rest.encap): Likewise.
911 (libgcc2.ready): Depend upon $(STMP_FIXPROTO)
913 * toplev.h (tree_node): Provide global declaration to avoid
914 `limited scope' warnings.
916 Sat May 23 23:23:35 1998 Robert Lipe <robertl@dgii.com>
918 * test_summary: Display section breaks for each entry
919 in a multilibbed target's output.
921 1998-05-23 Richard Henderson <rth@cygnus.com>
923 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
924 offset's mode is not ptr_mode, convert it.
926 1998-05-22 Jason Merrill <jason@yorick.cygnus.com>
928 * fold-const.c (ssize_binop): New fn.
929 * tree.h: Declare it.
931 Fri May 22 03:42:05 1998 Richard Earnshaw (rearnsha@arm.com)
933 * genextract.c (print_path): Handle zero-length path as a special
936 Fri May 22 01:38:07 1998 Hans-Peter Nilsson <hp@axis.se>
938 * cplus-dem.c (MBUF_SIZE): Bumped from 512 to 32767.
940 Fri May 22 00:57:00 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
942 * final.c (JUMP_TABLES_IN_TEXT_SECTION): Provide a default value.
943 (shorten_branches, final_scan_insn): Test value of
944 JUMP_TABLES_IN_TEXT_SECTION instead of just testing whether it
946 * tm.texi (JUMP_TABLES_IN_TEXT_SECTION): Corresponding changes.
947 * arm/coff.h: Define JUMP_TABLES_IN_TEXT_SECTION to 1.
948 * arm/tcoff.h: Likewise.
949 * i386/386bsd.h: Likewise.
950 * i386/freebsd-elf.h: Likewise.
951 * i386/freebsd.h: Likewise.
952 * i386/netbsd.h: Likewise.
953 * i386/ptx4-i.h: Likewise.
954 * i386/sysv4.h: Likewise.
956 * rs6000/linux.h: Likewise.
957 * rs6000/rs6000.h: Likewise.
959 * sparc/sp64-elf.h: Likewise.
960 * v850/v850.h: Likewise.
961 * rs6000/sysv4.h: Define JUMP_TABLES_IN_TEXT_SECTION to 0.
962 * i386/linux.h: Define JUMP_TABLES_IN_TEXT_SECTION to (flag_pic).
964 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
966 * regmove.c (gen_add3_insn): New function.
967 (fixup_match_2): Use it instead of calling gen_addsi3.
969 Thu May 21 23:09:50 1998 Jeffrey A Law (law@cygnus.com)
971 * Makefile.in (gencheck): Depend on HOST_LIBDEPS.
973 * alias.c (rtx_equal_for_memref_p): Handle SCRATCH as a memory
976 Thu May 21 20:18:13 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
978 * Makefile.in (TREE_H): Add tree-check.h.
979 (tree-check.h, gencheck): New targets.
980 * gencheck.c: New file.
981 * tree.c (tree_check, tree_class_check): New functions.
982 * tree.h (TREE_CHECK, TREE_CLASS_CHECK): Define.
983 (TYPE_CHECK, DECL_CHECK): Define.
984 Modify all access macros to use generated checking macros.
986 Wed May 20 23:44:28 EDT 1998 John Wehle (john@feith.com)
988 * acconfig.h (HAVE_GAS_MAX_SKIP_P2ALIGN): New tag.
989 * configure.in: Check for it.
990 * i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Use it.
991 * final.c (uid_align, uid_shuid, label_align): Make static.
992 (label_align): Change type to struct label_alignment pointer.
993 (LABEL_TO_ALIGNMENT, shorten_branches): Update due to type change.
994 (LABEL_TO_MAX_SKIP): Define.
995 (LABEL_ALIGN_MAX_SKIP, LOOP_ALIGN_MAX_SKIP,
996 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Provide defaults.
997 (shorten_branches): Record the maximum bytes to skip when
999 (final_scan_insn): Use the maximum bytes to skip when aligning a label
1000 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
1001 * i386.h (LOOP_ALIGN_MAX_SKIP,
1002 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Define.
1003 * i386.c (override_options): i386_align_jumps and i386_align_loops
1004 default to 4 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
1005 * invoke.texi: Document new i386 align-loops and align-jumps behavior.
1007 1998-05-21 Mark Mitchell <mmitchell@usa.net>
1009 * cplus-dem.c (do_type): Handle volatile qualification.
1011 Thu May 21 12:23:17 1998 Per Bothner <bothner@cygnus.com>
1013 * function.c (init_function_start): Don't call emit_line_note if
1014 lineno is 0. (Can happen when compiling Java .class files.)
1016 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1018 * reload1.c (reload_reg_free_for_value_p): Fix RELOAD_FOR_INPUT
1019 end of lifetime and RELOAD_FOR_OUTPUT start of lifetime.
1021 Thu May 21 19:32:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1023 * combine.c (nonzero_bits): For paradoxical subregs, take
1024 LOAD_EXTENDED_OP into account.
1026 Thu May 21 11:51:15 1998 Dave Brolley <brolley@cygnus.com>
1028 * configure.in (extra_c_objs): add prefix.o.
1029 (extra_cxx_objs): extra objects for C++ with cpplib.
1030 * configure: Regenerate.
1032 * c-tree.h: (get_directive_line): Different prototype for cpplib.
1033 (GET_DIRECTIVE_LINE): Macro wrapper for get_directive_line.
1035 * c-lex.h: (get_directive_line): Not needed here for cpplib.
1037 * c-lex.c: (yy_cur,yy_lim,yy_get_token): Move to c-common.c.
1038 (GET_DIRECTIVE_LINE): Move to c-common.c and rename to get_directive_line.
1040 * c-common.c (parse_in,parse_options,cpp_token): Declare for cpplib.
1041 (yy_cur,yy_lim,yy_get_token,get_directive,line): Moved here from c-lex.c
1043 Thu May 21 09:04:42 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1045 * gengenrtl.c (type_from_format, accessor_from_format): Change
1046 type of parameter `c' from `char' to `int'.
1048 Wed May 20 22:28:34 1998 Jeffrey A Law (law@cygnus.com)
1050 * warn_summary, test_summary: New scripts from
1051 Kaveh Ghazi and Alexandre Oliva respectively.
1053 * gcse.c (current_function_calls_longjmp): Declare.
1055 1998-05-20 Jason Merrill <jason@yorick.cygnus.com>
1057 * dwarf2out.c (base_type_die): Use int_size_in_bytes.
1059 Wed May 20 01:11:02 1998 Doug Evans (devans@cygnus.com)
1060 Jeff Law (law@cygnus.com)
1062 * Global CSE and constant/copy propagation.
1063 * Makefile.in (OBJS): Add gcse.o
1064 (STAGESTUFF): Add *.gcse.
1065 (gcse.o): Add dependencies.
1066 (mostlyclean): Remove *.gcse and */*.gcse.
1068 * loop.c (loop_optimize): Move call to init_alias_analysis.
1069 * recog.c (validate_replace_src): New function.
1070 * toplev.c (gcse_dump): New global variable.
1071 (flag_gcse, gcse_time): Likewise.
1072 (compile_file): Initialize gcse_time and clean out the gcse dump
1074 (rest_of_compilation): Call gcse_main as requested. Dump RTL
1075 after gcse if requested.
1076 (main): Enable gcse for -O2 and above. Handle -dG. Enable gcse
1078 * gcc.texi: Add gcse related internal documentation.
1079 * invoke.texi: Note new command line options for gcse.
1080 * tm.texi: Document AVOID_CCMODE_COPIES.
1081 * mips.h (AVOID_CCMODE_COPIES): Define.
1083 Tue May 19 22:31:20 1998 Jeffrey A Law (law@cygnus.com)
1085 * Makefile.in (deduced.h): Only run scan-types if $(SYSTEM_HEADER_DIR)
1087 (stmp-fixproto): Simlarly for running fixproto.
1088 * cross-make (SYSTEM_HEADER_DIR): Now $(tooldir)/sys-include.
1090 Tue May 19 19:08:52 1998 Jim Wilson <wilson@cygnus.com>
1092 * config/mips/mips.c (double_memory_operand): Accept any MEM during
1093 reload when TARGET_64BIT.
1095 Tue May 19 18:21:25 1998 Jim Wilson <wilson@cygnus.com>
1097 Finish incomplete change started by Kenner.
1098 * configure.in (*-*-linux-gnu*): Delete NO_STAB_H from xm_defines.
1099 (powerpcle-*-cygwin32): Delete xm_defines.
1100 * final.c, mips-tfile.c, xcoffout.c, config/mips/mips.c: Use
1101 HAVE_STAB_H instead of NO_STAB_H.
1102 * config/xm-linux.h (NO_STAB_H): Delete.
1103 (HAVE_STAB_H): Undefine.
1104 * config/i386/xm-go32.h (NO_STAB_H): Delete.
1106 1998-05-19 Jim Wilson <wilson@cygnus.com>
1108 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Ignore
1109 LANG_TYPE trees with DECL_SOURCE_LINE of 0.
1111 Tue May 19 15:07:54 1998 Todd Vierling <tv@netbsd.org>
1113 * arm/netbsd.h: Ensure DWARF2_UNWIND_INFO is undefined.
1115 Tue May 19 17:19:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1117 * reload1.c (reload_reg_free_for_value_p): New function.
1118 (allocate_reload_reg, choose_reload_regs): Use it.
1120 Tue May 19 11:51:00 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
1122 * except.c (expand_start_catch): Correct logic for when to
1123 generate a new handler label, and when to use the old one.
1125 Tue May 19 11:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1127 * Makefile.in (print-rtl.o): Depend on bitmap.h.
1128 (dbxout.o): Depend on toplev.h.
1129 ($(SCHED_PREFIX)sched.o): Likewise.
1130 ($(out_object_file)): Likewise for system.h and toplev.h.
1131 (cppmain.o): Depend on gansidecl.h.
1132 (cpplib.o): Likewise.
1133 (cpperror.o): Likewise.
1134 (cppexp.o): Likewise.
1135 (cpphash.o): Likewise.
1136 (cppalloc.o): Likewise.
1137 (fix-header.o): Depend on cpplib.h and cpphash.h.
1138 (scan-decls.o): Depend on gansidecl.h.
1140 * basic-block.h (free_regset_vector): Add prototype.
1142 * cccp.c (check_precompiled): Mark parameter `fname' with
1144 (do_assert): Likewise for `op' and `keyword'.
1145 (do_unassert): Likewise.
1146 (do_line): Likewise for `keyword'.
1147 (do_error): Likewise for `op' and `keyword'.
1148 (do_warning): Likewise.
1149 (do_ident): Likewise for `keyword'.
1150 (do_pragma): Likewise for `limit', `op' and `keyword'.
1151 (do_sccs): Likewise.
1152 (do_if): Likewise for `keyword'.
1153 (do_elif): Likewise.
1154 (do_else): Likewise.
1155 (do_endif): Likewise.
1157 * collect2.c (getenv): Remove redundant prototype.
1158 (collect_exit, collect_execute, dump_file): Likewise.
1159 (dump_list): Wrap prototype and definition in COLLECT_EXPORT_LIST.
1160 (dump_prefix_list): Hide prototype and definition.
1162 * sparc.c: Include toplev.h.
1163 (intreg_operand): Mark parameter `mode' with ATTRIBUTE_UNUSED.
1164 (symbolic_memory_operand): Likewise.
1165 (sp64_medium_pic_operand): Likewise.
1166 (data_segment_operand): Likewise.
1167 (text_segment_operand): Likewise.
1168 (splittable_symbolic_memory_operand): Likewise.
1169 (splittable_immediate_memory_operand): Likewise.
1170 (eq_or_neq): Likewise.
1171 (normal_comp_operator): Likewise.
1172 (noov_compare_op): Likewise.
1173 (v9_regcmp_op): Likewise.
1174 (v8plus_regcmp_op): Likewise.
1175 (extend_op): Likewise.
1176 (cc_arithop): Likewise.
1177 (cc_arithopn): Likewise.
1178 (small_int): Likewise.
1179 (uns_small_int): Likewise.
1180 (clobbered_register): Likewise.
1181 (legitimize_pic_address): Likewise.
1182 (delay_operand): Likewise.
1183 (sparc_builtin_saveregs): Remove unused variable `stdarg'.
1185 * sparc.h (order_regs_for_local_alloc, eligible_for_return_delay,
1186 sparc_issue_rate, v8plus_regcmp_p): Add prototypes.
1188 * sparc.md (cmpdi_v8plus): Add abort for default case in switch.
1190 * cppalloc.c: Include gansidecl.h.
1192 * cpperror.c: Include stdarg.h/varargs.h and gansidecl.h.
1193 (cpp_file_line_for_message): Mark parameter `pfile' with
1195 (v_cpp_message): New function.
1196 (cpp_message): Use it. Also convert to variable arguments.
1197 (cpp_fatal): Likewise.
1198 (cpp_pfatal_with_name): Constify parameter `name'.
1200 * cppexp.c: Move gansidecl.h before cpplib.h.
1201 * cpphash.c: Likewise.
1202 * cpphash.h (hashf, delete_macro): Add prototypes.
1204 * cpplib.c: Include stdarg.h/varargs.h and move gansidecl.h before
1205 cpplib.h. Don't include errno.h.
1206 (update_path): Add arguments to prototype.
1207 (cpp_fatal, cpp_file_line_for_message, cpp_message, delete_macro,
1208 cpp_print_containing_files): Remove redundant prototypes.
1209 (cpp_hash_cleanup, add_import, append_include_chain,
1210 make_assertion, path_include, initialize_builtins,
1211 initialize_char_syntax, finclude, validate_else, comp_def_part,
1212 lookup_import, redundant_include_p, is_system_include,
1213 read_name_map, read_filename_string, open_include_file,
1214 check_macro_name, compare_defs, compare_token_lists,
1215 eval_if_expression, change_newlines): Add prototype arguments.
1216 (hashf): Remove redundant prototype.
1217 (read_token_list, free_token_list, safe_read, xcalloc, savestring,
1218 conditional_skip, skip_if_group): Add prototype arguments.
1219 (fdopen): Remove redundant prototype.
1220 (do_define, do_line, do_include, do_undef, do_error, do_pragma,
1221 do_ident, do_if, do_xifdef, do_else, do_elif, do_endif, do_sccs,
1222 do_once, do_assert, do_unassert, do_warning): Add prototype arguments.
1223 (struct directive): Add prototype arguments to function pointer
1225 (handle_directive): Add missing arguments to call to `do_line'.
1226 (do_include): Mark parameters `unused1' and `unused2' with
1228 (do_line): Likewise for `keyword' and new parameters `unused1' and
1230 (do_error): Likewise for `keyword'.
1231 (do_warning): Likewise. Also add missing argument `pfile' in call
1233 (do_once): Mark parameter `keyword', `unused1' and `unused2' with
1235 (do_ident): Likewise for `keyword', `buf' and `limit'.
1236 (do_pragma): Likewise. Also add missing arguments in call to do_once.
1237 (do_sccs): Mark parameter `keyword', `buf' and `limit' with
1239 (do_if): Likewise for `keyword'.
1240 (do_elif): Likewise.
1241 (eval_if_expression): Likewise for `buf' and `length'.
1242 (do_xifdef): Likewise for `unused1' and `unused2'.
1243 (do_else): Likewise for `keyword', `buf' and `limit'.
1244 (do_endif): Likewise.
1245 (parse_name): Add missing argument `pfile' in call to cpp_pedwarn.
1246 (cpp_handle_options): Remove superfluous NULL argument in call to
1248 (cpp_handle_options): Likewise.
1249 (do_assert): Mark parameter `keyword', `buf' and `limit' with
1251 (do_unassert): Likewise.
1252 (cpp_print_file_and_line): Add missing argument `pfile' in call to
1253 cpp_file_line_for_message.
1254 (v_cpp_error): New function.
1255 (cpp_error): Use it. Also accept variable arguments.
1256 (v_cpp_warning): New function.
1257 (cpp_warning): Use it. Also accept variable arguments.
1258 (cpp_pedwarn): Accept variable arguments.
1259 (v_cpp_error_with_line): New function
1260 (cpp_error_with_line): Use it. Accept variable arguments.
1261 (v_cpp_warning_with_line): New function.
1262 (cpp_warning_with_line): Use it. Accept variable arguments. Hide
1264 (cpp_pedwarn_with_line): Accept variable arguments.
1265 (cpp_pedwarn_with_file_and_line): Likewise.
1266 (cpp_error_from_errno): Constify parameter `name'. Add missing
1267 argument `pfile' in call to cpp_file_line_for_message.
1268 (cpp_perror_with_name): Constify parameter `name'.
1270 * cpplib.h: Define PARAMS() in terms of PROTO().
1271 (fatal): Remove redundant prototype.
1272 (cpp_error, cpp_warning, cpp_pedwarn, cpp_error_with_line,
1273 cpp_pedwarn_with_line, cpp_pedwarn_with_file_and_line,
1274 cpp_error_from_errno, cpp_perror_with_name, cpp_pfatal_with_name,
1275 cpp_fatal, cpp_message, cpp_pfatal_with_name,
1276 cpp_file_line_for_message, cpp_print_containing_files): Add
1277 arguments to prototypes.
1278 (scan_decls, cpp_finish): Add prototypes.
1280 * cppmain.c: Include gansidecl.h.
1281 (main): Remove unused variable `i'.
1283 * dbxout.c: Include toplev.h.
1285 * demangle.h (do_tlink, collect_execute, collect_exit,
1286 collect_wait, dump_file, file_exists): Add prototype.
1288 * dwarf2out.c (dwarf_type_encoding_name, decl_start_label): Hide
1289 prototype and definition.
1290 (gen_unspecified_parameters_die): Don't assign results of call to
1291 function new_die() to unused variable `parm_die'.
1292 (dwarf2out_line): Mark parameter `filename' with ATTRIBUTE_UNUSED.
1293 (dwarf2out_define): Likewise for `lineno' and `buffer'.
1295 * dwarfout.c (output_unsigned_leb128, output_signed_leb128): Hide
1296 prototype and definition.
1297 (output_die): Add prototype arguments to function pointer arg.
1298 (output_unspecified_parameters_die): Mark parameter `arg' with
1301 * except.c (output_exception_table_entry): Remove unused variable
1304 * except.h (expand_fixup_region_start, expand_fixup_region_end):
1307 * expr.c (do_jump_by_parts_equality_rtx): Remove prototype.
1309 * expr.h (do_jump_by_parts_equality_rtx): Add prototype.
1311 * fix-header.c: Include stdarg.h/varargs.h, move gansidecl.h
1312 before cpplib.h, include cpphash.h, remove redundant prototype of
1313 cpp_fatal, don't define `const', add a prototype for `fatal'.
1314 (cpp_file_line_for_message): Add missing arguments `pfile'.
1315 (v_cpp_message): New function.
1316 (cpp_message): Use it.
1317 (v_fatal): New function.
1318 (fatal, cpp_fatal): Use it.
1319 (cpp_pfatal_with_name): Constify parameter `name'.
1321 * flow.c (free_regset_vector): Remove redundant prototype.
1323 * function.c (round_down): Wrap prototype and definition with
1324 macro ARGS_GROW_DOWNWARD.
1325 (record_insns): Wrap prototype and definition with
1326 defined (HAVE_prologue) || defined (HAVE_epilogue).
1328 * gansidecl.h (ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5): New macros.
1330 * gen-protos.c: Include gansidecl.h.
1331 (hashf): Don't make it static, constify parameter `name'.
1333 * genattrtab.c (check_attr_test): Change XEXP() to XSTR() to match
1334 specifier %s in calls to function `fatal'.
1336 * haifa-sched.c: Include toplev.h.
1337 (find_rgns): Remove unused variable `j'.
1339 * integrate.c (note_modified_parmregs): Mark parameter `x' with
1341 (mark_stores): Likewise.
1343 * jump.c (mark_modified_reg): Likewise.
1345 * output.h (insn_current_reference_address): Add prototype.
1346 (eh_frame_section): Likewise.
1348 * print-rtl.c: Include bitmap.h.
1350 * reload1.c (reload): Wrap variables `note' and `next' in macro
1351 PRESERVE_DEATH_INFO_REGNO_P.
1352 (forget_old_reloads_1): Mark parameter `ignored' with
1354 (choose_reload_regs): Remove unused variable `in'.
1355 (reload_cse_invalidate_mem): Mark parameter `ignore' with
1357 (reload_cse_check_clobber): Likewise.
1359 * rtl.h (expand_null_return, reg_classes_intersect_p): Add prototype.
1360 (mark_elimination): Fix typo in prototype.
1362 * scan-decls.c: Include gansidecl.h.
1364 * tree.h (using_eh_for_cleanups, supports_one_only): Add prototype.
1366 Mon May 18 22:37:33 1998 Jeffrey A Law (law@cygnus.com)
1368 * function.c (identify_blocks): Fix thinko when setting the
1369 block number for NOTE_INSN_BLOCK_END.
1371 Mon May 18 15:30:42 1998 Nick Clifton <nickc@cygnus.com>
1373 * config/v850/lib1funcs.asm: Add .text pseudo op to start of
1376 * config/v850/lib1funcs.asm: Fix .size pseudo ops to use three
1377 underscores for the prefixes to the names of the maths functions.
1379 * dbxout.c (dbxout_parms): Revert to using DECL_ARG_TYPE. Add
1380 comment explaining why.
1382 Mon May 18 13:20:23 1998 Richard Henderson <rth@cygnus.com>
1384 * tree.h (TYPE_SIZE_UNIT): New.
1385 (struct tree_type): Add size_unit member.
1386 * stor-layout.c (layout_type): Initialize it.
1387 * expr.c (get_inner_reference) [ARRAY_REF]: Use it.
1388 * tree.c (size_in_bytes, int_size_in_bytes): Likewise.
1390 Mon May 18 12:07:37 1998 Richard Earnshaw (rearnsha@arm.com)
1392 * stor-layout.c (layout_record): Fix off-by-one error when checking
1393 length of the TYPE_BINFO vector.
1395 Mon May 18 10:59:23 1998 Nick Clifton <nickc@cygnus.com>
1397 * dbxout.c (dbxout_parms): Use TREE_ARG to compute the type of a
1398 function parameter passed in memory.
1400 Mon May 18 09:02:09 1998 Robert Lipe <robertl@dgii.com>
1402 * dwarfout.h, dwarf2out.h, dbxout.h, sdbout.h: New files.
1403 Prototypes for externally used functions in respective C files.
1404 * dwarfout.c, dbxout.c, dwarf2out.c, sdbout.c, toplev,c,
1405 final.c: Include above files.
1406 * Makefile.in (toplev.o): Add dependency for above four headers.
1407 (final.o): Likewise.
1408 (dwarfout.o, dbxout.o, dwarf2out.o, sdbout.o): Depend on four
1409 respective header files.
1411 Mon May 18 01:23:33 1998 Jeffrey A Law (law@cygnus.com)
1413 * Makefile.in (TARGET_TOOLPREFIX): No longer define.
1414 (AR_FOR_TARGET, RANLIB_FOR_TARGET): Define to use versions in
1415 the build tree if they exist.
1416 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Update
1418 (objdir): Let configure substitute value.
1419 (FLOAT_H): Let configure select a pre-built version from the
1421 * build-make (INSTALL_TARGET, ALL): Disable, no longer needed.
1422 * configure.in: Substitute for objdir.
1424 * Makefile.in (build_canonical, host_canonical): Let configure
1425 substitute values for these variables.
1426 * configure.in: Substitute for build_canonical, host_canonical
1427 and target_subdir in generated Makefile.
1429 * output.h (find_basic_blocks): Declare.
1430 (free_basic_block_vars, set_block_num, life_analysis): Likewise.
1432 * Makefile.in (BISON): Use bison from the build tree if it exists.
1435 Mon May 18 00:08:19 1998 Nick Clifton <nickc@cygnus.com>
1437 * gcc.c (SWITCH_CURTAILS_COMPILATION): Definition.
1438 (DEFAULT_SWITCH_CURTAILS_COMPILATION): True for options -S and -c.
1439 (process_command): If HAVE_EXECUTABLE_SUFFIX is defined then scan
1440 command line arguments to see if an executable is not being
1441 created, and if so - do not append the suffix.
1443 * tm.texi (SWITCH_CURTAILS_COMPILATION): Add description of new
1446 Sun May 17 23:59:45 1998 John Wehle (john@feith.com)
1448 * i386.h (ALIGN_DFmode): Delete.
1449 (CONSTANT_ALIGNMENT): Define.
1450 * varasm.c (force_const_mem): Use it.
1452 Sun May 17 19:31:05 1998 Richard Henderson <rth@cygnus.com>
1454 * alpha.c (alpha_emit_conditional_branch): Clear cmp_code after
1455 using it with swap_condition, not before.
1457 Sun May 17 13:44:32 1998 Jim Wilson <wilson@cygnus.com>
1459 * alias.c (mode_alias_check): Delete.
1460 (true_dependence, anti_dependence, output_dependence): Revert April 21
1463 Sun May 17 08:45:21 1998 Krister Walfridsson <cato@df.lth.se>
1465 * toplev.c (output_lang_identify): Enable prototype and definition.
1467 Sun May 17 01:12:27 PDT 1998 Jeff Law (law@cygnus.com)
1469 * version.c: Bump for snapshot.
1471 Sat May 16 23:20:32 1998 Richard Henderson <rth@cygnus.com>
1473 * alpha/osf.h (HAVE_STAMP_H): Define.
1475 * alpha/netbsd.h, alpha/netbsd-elf.h: New files.
1476 * configure.in (alpha*-*-netbsd*): New.
1477 Based on patches from Paul H. Anderson <pha@pdq.com>.
1479 * configure.in (alpha*-*-linux-*): Kill xm_defines.
1480 (alpha*-*-linux-gnulibc1*) [fixincludes]: Define.
1481 * alpha/xm-linux.h: Remove file.
1483 Sat May 16 18:32:45 1998 Doug Evans <devans@canuck.cygnus.com>
1485 * dbxout.c (dbxout_parms): If mode of type of parameter living
1486 in memory doesn't match mode of DECL_RTL, make big endian correction.
1488 Fri May 15 21:40:06 1998 John Wehle (john@feith.com)
1490 * i386.md (movdi-1, movdi): Rewrite based on SI move patterns.
1492 Fri May 15 18:55:22 1998 Jason Merrill <jason@yorick.cygnus.com>
1494 * tree.h (BINFO_SIZE, TYPE_BINFO_SIZE): New macros.
1495 * stor-layout.c (layout_record): Set it.
1497 Fri May 15 18:49:30 1998 Mark Mitchell <mmitchell@usa.net>
1499 * toplev.c (rest_of_compilation): Don't defer nested functions.
1501 Fri May 15 17:42:52 1998 Bob Manson <manson@charmed.cygnus.com>
1503 * config/rs6000/rs6000.c (rs6000_stack_info): Align the stack bottom
1504 to an 8-byte boundary if info_ptr->fpmem_p.
1506 Fri May 15 17:36:11 1998 Bill Moyer <ttk@cygnus.com>
1508 * loop.c (basic_induction_var): Added test preventing
1509 CCmode parameter passed to convert_modes().
1511 Fri May 15 17:26:18 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1513 * expr.c (expand_expr, case EXPR_WITH_FILE_LOCATION): Save/restore
1514 input_filename and lineno around expand_expr call. Set them to values
1515 in WFL before expand_expr call.
1517 Fri May 15 12:44:57 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
1519 * stor-layout.c (set_sizetype): Set TYPE_NAME on bitsizetype.
1521 Fri May 15 07:20:03 1998 Mark Mitchell <mmitchell@usa.net>
1523 * fold-const.c (constant_boolean_node): New function.
1526 Fri May 15 11:21:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1528 * sh.c (gen_shl_and): Don't sign extend constant for kind two.
1529 Abort if trying to split kind 3 or 4 outside of combine.
1531 Fri May 15 01:47:37 1998 Jeffrey A Law (law@cygnus.com)
1533 * mips.c (print_operand, case 'x'): Use HOST_WIDE_INT_PRINT_HEX.
1535 Fri May 15 01:42:45 1998 Mumit Khan <khan@xraylith.wisc.edu>
1537 * objc/Make-lang.in (OBJC_O): Add missing exeext.
1538 (libobjc.a, runtime-info.h): Likewise.
1540 Fri May 15 01:29:39 1998 John Wehle (john@feith.com)
1542 * i386.h (DATA_ALIGNMENT): Define.
1544 Fri May 15 05:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1546 * reload1.c (delete_output_reload): Ignore single USE that
1547 was emitted for the pseudo use of this INSN.
1548 If the no reference to REG between OUTPUT_RELOAD_INSN and INSN
1549 remains, we can always delete OUTPUT_RELOAD_INSN.
1551 Thu May 14 18:38:50 1998 Jim Wilson <wilson@cygnus.com>
1553 * reload.c (find_reloads): Don't penalize SCRATCH output reload.
1555 Thu May 14 15:10:30 1998 Jeffrey A Law (law@cygnus.com)
1557 * Makefile.in (expr.o): Remove dependency on deleted modemap.def file.
1559 Thu May 14 16:30:47 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1561 * eh-common.h: New file for basic EH data structures.
1562 * except.h: Various prototypes and structures for NEW_EH_MODEL
1563 * function.h (struct function): Add a struct eh_stack for the catch
1565 * except.c (gen_exception_label): New function to generate an
1567 (push_eh_entry): Use gen_exception_label() and init 'label_used' field.
1568 (push_entry): New function to push an existing entry onto a stack.
1569 (receive_exception_label): New function to emit the code required
1570 at the start of all catch blocks.
1571 (struct func_eh_entry): New structure for maintaining handlers
1572 associated with EH regions.
1573 (new_eh_region_entry): New function to register an EH region.
1574 (add_new_handler): New function to register a handler with a region.
1575 (get_new_handler): Creates anew handler entry for registering.
1576 (find_func_region): New function to convert a NOTE eh region number
1577 to an Eh region index.
1578 (get_first_handler): New function to get the first handler in a region.
1579 (clear_function_eh_region): New function to release memory.
1580 (duplicate_handlers): New function to duplicate a list of handlers.
1581 (expand_eh_region_end): Create a new region entry node as well.
1582 (expand_leftover_cleanups): Call receive_exception_label() and
1583 register the cleanup as a handler to the current region.
1584 (expand_start_catch): New function to start a catch clause.
1585 (expand_end_catch): New function to end a catch clause.
1586 (expand_start_all_catch): restructure to not do the equivilent of
1587 what expand_start_catch() does now. Push the exception region being
1588 handled onto the catch stack.
1589 (output_exception_table_entry): Issue an entry for each handler
1590 associated with a region.
1591 (set_exception_lang_code): New function for setting the language code.
1592 (set_exception_version_code): New function to set the version number.
1593 (output_exception_table): Output version and language codes.
1594 (find_exception_handler_labels): Find handler labels using new scheme.
1595 (is_exception_handler_label): New function, returns 1 if label is
1596 present as a handler in some exception region.
1597 (check_exception_handler_labels): Use the new scheme.
1598 (init_eh_for_function): Initialize the catch stack.
1599 (save_eh_status): Save the catch stack.
1600 (restore_eh_status): Restore the catch stack.
1601 (scan_region): Don't remove unreferenced handler label. Flow does it.
1602 (get_reg_for_handler): New function to get the eh_context pointer
1604 (expand_builtin_eh_stub): Changes required for NEW_EH_MODEL only.
1605 * final.c (final_scan_insn): With NEW_EH_MODEL, add EH table
1606 entry when processing END region rather that START region.
1607 * flow.c (find_basic_blocks_1): Find all potential handler regions
1608 now that we don't automatically know what the labels might be.
1609 Let scan_region() remove unreferenced EH BEGIN/END labels.
1610 * integrate.c (get_label_from_map): Put inlined labels onto the
1611 permanent obstack since we dont know which ones might be exception
1613 (save_for_inline_copying): Make new copies of all the handlers.
1614 (expand_inline_function): Make new copies of all the handlers.
1615 * libgcc2.c: Remove local struct decls, and include eh-common.h.
1616 (find_exception_handler): With NEW_EH_MODEL the first matching
1617 region we find is the right one. Add eh_info as a new parameter.
1618 (__throw): Pass eh_info to find_exception_handler. Set handler
1619 and pass use different regs under NEW_EH_MODEL.
1621 Thu May 14 12:58:21 1998 Jim Wilson <wilson@cygnus.com>
1623 * i960.h (hard_regno_mode_ok): Changed to function from array of
1625 (HARD_REGNO_MODE_OK): Call function instead of testing bit.
1626 * i960.c (hard_regno_mode_ok): Changed to function from array of
1629 Thu May 14 08:41:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1631 * reload.c (remove_replacements): New function.
1632 * reload.h (remove_replacements): Declare.
1633 * reload1.c (choose_reload_regs): Disable some reloads that
1634 belong to inherited reloads.
1636 Thu May 14 02:17:17 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1638 * loop.c (scan_loop): Don't call move_moveables for optimize_size.
1640 * reload1.c (merge_assigned_reloads): When merging, reset
1641 reload_spill_index for the eliminated reload.
1643 Wed May 13 17:51:13 1998 Jeffrey A Law (law@cygnus.com)
1645 * haifa-sched.c (schedule_insns): Fix merge goof.
1647 1998-05-13 Jim Wilson <wilson@cygnus.com>
1649 * varasm.c (make_decl_rtl): Revert April 1 change.
1650 * alpha/alpha.h, alpha/win-nt.h, arm/arm.h, i386/unix.h, i960/i960.h,
1651 m68k/linux.h, pa/pa.h, sparc/sparc.h, vax/vax.h (ASM_OUTPUT_MI_THUNK):
1652 Get function name from the SYMBOL_REF in the DECL_RTL, not from
1653 DECL_ASSEMBLER_NAME.
1654 * i386/winnt.c (gen_stdcall_suffix): Comment for questionable use of
1655 DECL_ASSEMBLER_NAME.
1657 Wed May 13 13:09:19 1998 Jim Wilson <wilson@cygnus.com>
1659 * i386.c (notice_update_cc, output_float_compare): Disable
1660 TARGET_CMOVE support.
1662 Wed May 13 15:28:59 1998 Michael Meissner <meissner@cygnus.com>
1663 Jeff Law <law@cygnus.com>
1665 * rtlanal.c (find_reg_note): Ignore notes that are not on on
1667 (find_regno_note): Likewise.
1669 * Makefile.in (stor-layout.o): Depend on except.h
1670 (varasm.o, function.o): Likewise.
1671 (expr.o): Depend on except.h, modemap.def and hard-reg-set.h.
1673 * Makefile.in (HOST_RTL): Add $(HOST_PREFIX)bitmap.o.
1674 (rtl.o, emit-rtl.o): Add dependency on bitmap.h.
1675 ($(HOST_PREFIX_1)rtl.o): Likewise.
1676 ($(HOST_PREFIX_1)bitmap.o): New host object.
1677 * emit-rtl.c (toplevel): Include bitmap.h.
1678 (gen_rtx): Handle 't' and 'b' nodes.
1679 * print-rtl.c (print_rtx): Handle printing NOTE_INSN_LIVE notes.
1680 Print block number for block begin/end notes. Print 't' type
1681 nodes as a pointer. Know that the 3rd argument of live range
1682 start/stop notes is really a range_info rtx. If type is 'b', print
1683 out argument as a bitmap.
1684 * rtl.c: Include bitmap.c.
1685 (copy_rtx): Copy tree nodes as is. Copy bitmaps if type is 'b'.
1686 (note_insn_name): Add NOTE_INSN_RANGE_{START,END}, NOTE_INSN_LIVE.
1687 * rtl.def (RANGE_LIVE): New node to hold live information while we
1688 recalculate the basic blocks.
1689 (RANGE_REG, RANGE_INFO): New rtl types for live range splitting.
1690 (RANGE_VAR): New node, to hold information saved in symbol node for New
1691 communicating live range information to the debug output functions.
1692 * rtl.h (rtunion_def): Add rttree and rtbit fields.
1693 (XBITMAP, XTREE): New accessor macros.
1694 (NOTE_LIVE_INFO): Overload NOTE_SOURCE_FILE for NOTE_INSN_LIVE notes.
1695 (NOTE_RANGE_INFO): Similarly for NOTE_INSN_RANGE_{START,END} notes.
1696 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Define.
1697 (NOTE_INSN_RANGE_START, NOTE_INSN_RANGE_END, NOTE_INSN_LIVE): New notes.
1698 (RANGE_LIVE_{BITMAP,ORIG_BLOCK}): New accessor macros.
1699 (RANGE_REG_{SYMBOL,BLOCK}_NODE, RANGE_VAR_*): New accessor macros.
1700 (RANGE_INFO_*): Likewise.
1701 * sched.c (sched_analyze): Keep live range start/stop notes.
1702 (unlink_other_notes): Likewise.
1703 * haifa-sched.c (sched_analyze): Keep live range start/stop notes.
1704 (unlink_other_notes): Likewise.
1705 * tree.h (BLOCK_LIVE_RANGE_{START,END,VAR_FLAG}): New accessor macros.
1706 (BLOCK_LIVE_RANGE_FLAG): Likewise.
1707 (DECL_LIVE_RANGE_RTL): Likewise.
1708 (struct tree_block): Add live_range_flag, live_range_var_flag,
1709 live_range_start and live_range_end.
1710 (struct tree_decl): Add live_range_rtl field.
1711 * gengenrtl.c (type_from_format): Handle 'b' and 't'.
1712 (accessor_from_format): Likewise.
1714 * haifa-sched.c (schedule_block): Make verbose output line up.
1715 Also add a blank line in printing the individual ready lists.
1717 Wed May 13 15:43:44 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1719 * Makefile.in (c-lang.o): Depend on c-tree.h, c-lex.h and toplev.h.
1720 (c-lex.o): Depend on output.h.
1721 (c-common.o): Likewise.
1723 (calls.o): Likewise.
1724 (integrate.o): Depend on toplev.h.
1725 (regclass.o): Depend on output.h.
1726 (final.o): Depend on reload.h.
1728 * c-common.c: Include output.h.
1729 (check_format_info): Remove unused variable `integral_format'.
1731 * c-decl.c (print_lang_decl): Mark parameters `file', `node' and
1732 `indent' with ATTRIBUTE_UNUSED.
1733 (print_lang_type): Likewise.
1734 (maybe_build_cleanup): Likewise for parameter `decl'.
1735 (copy_lang_decl): Likewise for parameter `node'.
1737 * c-lang.c: Include c-tree.h, c-lex.h and toplev.h.
1738 (lang_print_xnode): Mark parameters `file', `node' and `indent'
1739 with ATTRIBUTE_UNUSED.
1740 (lookup_interface): Likewise for parameter `arg'.
1741 (is_class_name): Likewise.
1742 (maybe_objc_check_decl): Likewise for parameter `decl'.
1743 (maybe_objc_comptypes): Likewise for parameters `lhs', `rhs' and
1745 (maybe_objc_method_name): Likewise for parameter `decl'.
1746 (build_objc_string): Likewise for parameters `len' and `str'.
1748 * c-lex.c: Include output.h.
1750 * c-lex.h (position_after_white_space): Correct typo in prototype.
1752 * c-tree.h (finish_file, c_expand_start_cond, c_expand_start_else,
1753 c_expand_end_cond, init_iterators): Add prototypes.
1755 * caller-save.c (set_reg_live): Mark parameters `reg' and `setter'
1756 with ATTRIBUTE_UNUSED.
1758 * calls.c: Include output.h.
1760 * cccp.c (pipe_closed): Mark parameter `signo' with
1763 * combine.c: Move inclusion of expr.h to after insn-config.h.
1765 * iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Don't define
1766 as empty, rather define as ((void)0).
1768 * sparc.c (sparc_check_64): Add braces around ambiguous `else'.
1769 Add parentheses around assignment used as truth value.
1771 * cplus-dem.c (squangle_mop_up): Change return type to void.
1772 (internal_cplus_demangle): Remove unused parameter `options'.
1773 All callers changed.
1774 (cplus_demangle_opname): Remove function wide variable `int i' and
1775 replace with `size_t i' at each location where it is used.
1776 (cplus_demangle_opname): change type of `i' from int to size_t.
1778 * cppexp.c (right_shift): Mark parameter `pfile' with
1781 * cpphash.c (cpp_lookup): Likewise.
1782 (cpp_hash_cleanup): Likewise.
1784 * cpplib.c (parse_name): Add a prototype and make it static.
1785 (null_underflow): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
1786 (null_cleanup): Likewise for parameters `pbuf' and `pfile'.
1787 (macro_cleanup): Likewise for parameter `pfile'.
1788 (file_cleanup): Likewise.
1790 * cpplib.h (cpp_reader_init, cpp_options_init, cpp_start_read,
1791 cpp_read_check_assertion, skip_rest_of_line): Add prototypes.
1793 * crtstuff.c (force_to_data, __CTOR_LIST__, force_to_data,
1794 __DTOR_END__, __FRAME_END__): Mark with ATTRIBUTE_UNUSED.
1796 * cse.c (cse_check_loop_start): Mark parameter `set' with
1799 * dbxout.c (flag_minimal_debug, have_used_extensions,
1800 source_label_number): Move inside macro wrapper check against
1801 defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO).
1803 * dwarf2out.c (gen_entry_point_die): Hide prototype and definition.
1805 * except.h (doing_eh): Provide prototype.
1807 * expr.c: Move inclusion of expr.h to after insn-config.h.
1809 * final.c: Include reload.h.
1810 (shorten_branches): Cast the first argument of bzero to char *.
1812 * fix-header.c (cpp_print_containing_files): Mark parameter
1813 `pfile' with ATTRIBUTE_UNUSED.
1814 (cpp_fatal): Likewise.
1816 * flow.c (find_basic_blocks_1): Cast the first argument of bzero
1819 * genattrtab.c (make_length_attrs): Change the type of variable
1820 `i' from int to size_t.
1821 (zero_fn): Mark parameter `exp' with ATTRIBUTE_UNUSED.
1824 * genextract.c (main): When generating insn-extract.c, mark
1825 variable `junk' with ATTRIBUTE_UNUSED.
1827 * gengenrtl.c (gencode): When generating genrtl.c, cast the first
1828 argument of bzero to char*.
1830 * integrate.c: Include toplev.h.
1832 * libgcc2.c: Wrap `struct exception_table' and
1833 `find_exception_handler' in macro DWARF2_UNWIND_INFO.
1835 * objc/Make-lang.in (objc-act.o): Depend on toplev.h.
1837 * objc/objc-act.c: Include toplev.h.
1838 (lang_print_xnode): Mark parameters `file', `node' and `indent'
1839 with ATTRIBUTE_UNUSED.
1840 (finish_protocol): Likewise for parameter `protocol'.
1842 * output.h (declare_weak): Add prototype.
1843 (decode_reg_name): Don't wrap with TREE_CODE macro.
1844 (assemble_alias): Add prototype.
1846 * regclass.c: Include output.h.
1848 * reload.h (reloads_conflict): Add prototype.
1850 * rtl.h (print_rtl_single, mark_elimiation, reg_class_subset_p,
1851 output_func_start_profiler): Add prototypes.
1853 * rtlanal.c (reg_set_p_1): Mark parameters `x' and `pat' with
1856 * scan-decls.c: Include scan.h.
1858 * scan.h (recognized_function, recognized_extern): Add prototypes.
1860 * stmt.c: Include output.h.
1862 * toplev.c (error_for_asm, warning_for_asm): Remove prototypes.
1863 (output_lang_identify): Hide prototype and definition.
1864 (float_signal): Mark parameter `signo' with ATTRIBUTE_UNUSED.
1865 (pipe_closed): Likewise.
1867 * toplev.h (count_error, strip_off_ending, error_for_asm,
1868 warning_for_asm): Add prototypes.
1870 Wed May 13 12:54:19 1998 Michael Meissner <meissner@cygnus.com>
1872 * toplev.c (rest_of_compilation): "Charge" final for any time
1873 doing various cleanup operations after finishing compilation
1876 * flow.c (dump_flow_info): Also print number of sets and
1877 whether or not the pseudo is a user variable.
1879 * flow.c (reg_n_max): New global variable.
1880 * regclass.c (allocate_reg_info): Keep reg_n_max up to date.
1881 Delete regno_max variable.
1882 * regs.h (REG_N_CHECK): Define.
1883 (REG_N_REFS, REG_N_SETS, REG_N_DEATHS): Use REG_N_CHECK.
1884 (REG_N_CHANGES_SIZE, REG_N_CALLS_CROSSED, REG_LIVE_LENGTH): Likewise.
1885 (REGNO_FIRST_UID, REGNO_LAST_UID, REGNO_LAST_NOTE_UID): Likewise.
1887 Wed May 13 12:54:19 1998 Martin von Loewis <martin@mira.isdn.cs.tu-berlin.de>
1889 * acconfig.h (ENABLE_CHECKING): Undefine.
1890 * configure.in (--enable-checking): New option.
1892 Wed May 13 08:52:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1894 * reload1.c (merge_assigned_reloads): Can merge
1895 RELOAD_FOR_INPUT_ADDRESS and RELOAD_FOR_OTHER_ADDRESS even
1896 if RELOAD_FOR_INPUT with the same reload_reg_rtx is present.
1898 Tue May 12 20:05:57 1998 Jim Wilson <wilson@cygnus.com>
1900 * collect2.c (main): Ignore do_collecting when COLLECT_EXPORT_LIST.
1902 Wed May 13 03:23:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1904 * reload1.c (gen_reload): Create REG_EQUIV notes.
1906 Tue May 12 22:21:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1908 * reload1.c (reload): Fix check for USEs to use code of pattern.
1909 (choose_reload_regs): Remove dead variable use_insn.
1911 Tue May 12 14:04:49 1998 Jeffrey A Law (law@cygnus.com)
1913 * pa.h (DBX_CONTIN_LENGTH): Reduce to 3000 bytes.
1915 Tue May 12 15:16:02 1998 Michael Meissner <meissner@cygnus.com>
1917 * haifa-sched.c (HAIFA_INLINE): Define to be __inline unless
1919 (find_insn_{,mem_}list): Use HAIFA_INLINE, not __inline.
1920 (insn_{unit,issue_delay}): Ditto.
1921 (blockage_range): Ditto.
1922 (actual_hazard{,_this_instance}): Ditto.
1923 (schedule_unit): Ditto.
1924 (potential_hazard): Ditto.
1927 (queue_insn): Ditto.
1928 (birthing_insn_p): Ditto.
1929 (adjust_priority): Ditto.
1930 (get_block_head_tail): Ditto.
1931 (init_rgn_data_dependences): Ditto.
1933 Tue May 12 10:27:54 1998 Klaus Kaempf <kkaempf@progis.de>
1935 * alpha/vms.h (COMMON_ASM_OP, ASM_OUTPUT_ALIGNED_COMMON): Define.
1937 Tue May 12 11:44:14 1998 Gavin Koch <gavin@cygnus.com>
1939 * config/mips/mips.h (ASM_OUTPUT_ALIGN): Remove trailing semi-colon.
1941 Tue May 12 11:38:31 1998 Gavin Koch <gavin@cygnus.com>
1943 * config/mips/mips.md (dslot): Move after definition of "cpu"
1944 attribute. Handle r3900 case.
1946 Tue May 12 10:21:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1948 * system.h: Define the STRINGIFY macro here.
1949 * protoize.c: Not here.
1950 * gengenrtl.c (DEF_RTL_EXPR): Use the STRINGIFY macro.
1952 Tue May 12 00:47:33 1998 John Wehle (john@feith.com)
1954 * varasm.c (assemble_variable): Compute the alignment of the data
1955 earlier so that both initialized and uninitialized variables are
1956 effected by DATA_ALIGNMENT.
1957 * tm.texi (DATA_ALIGNMENT): Updated appropriately.
1959 Mon May 11 19:57:58 1998 Jeffrey A Law (law@cygnus.com)
1961 * mips.c: Prototype static functions.
1963 Mon May 11 17:43:03 1998 Jim Wilson <wilson@cygnus.com>
1965 * regmove.c (fixup_match_2, find_matches, regmove_profitable):
1966 Add explanatory comments.
1968 * sparc.h (SPARC_INCOMING_INT_ARG_FIRST): Support TARGET_FLAT.
1970 Mon May 11 17:24:27 1998 Richard Henderson <rth@cygnus.com>
1972 * sparc.md (ffsdi2): Disable. Simplify the expression as well.
1974 Mon May 11 13:30:44 1998 Jim Wilson <wilson@cygnus.com>
1976 * varasm.c (make_decl_rtl): Disable April 1 change.
1978 Mon May 11 09:14:41 1998 Richard Henderson <rth@cygnus.com>
1980 * configure.in (alpha-*-linux-gnu): Undo lossage from gcc2 merge.
1982 Mon May 11 08:24:18 1998 Richard Henderson <rth@cygnus.com>
1984 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Add '`'.
1985 * alpha.c (print_operand): Handle it.
1986 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): New patterns and
1987 related define_splits. Also add peepholes for SImode reload
1988 plus sign_extend lossage.
1990 Mon May 11 09:33:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1992 * genattr.c: Include stdarg.h/varargs.h. Change function
1993 `fatal' to use variable arguments instead of faking it with
1994 integer parameters. Provide a prototype which also
1995 checks the format specifiers using ATTRIBUTE_PRINTF_1.
1997 * genattrtab.c: Likewise.
1998 * gencodes.c: Likewise.
1999 * genconfig.c: Likewise.
2000 * genemit.c: Likewise.
2001 * genextract.c: Likewise.
2002 * genflags.c: Likewise.
2003 * genopinit.c: Likewise.
2004 * genpeep.c: Likewise.
2005 * genrecog.c: Likewise.
2006 * genoutput.c: Likewise. Similarly for function `error'.
2008 Sun May 10 02:27:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2010 * acconfig.h (HAVE_VOLATILE): Insert stub for autoconf.
2011 * alocal.m4 (GCC_C_VOLATILE): New autoconf test.
2012 * configure.in: Use GCC_C_VOLATILE.
2013 * system.h (volatile): Define as empty if no volatile support is
2016 Sun May 10 01:21:43 1998 Jeffrey A Law (law@cygnus.com)
2018 * genemit.c (output_add_clobbers): Removed unused variable 'i' from
2021 Sat May 9 02:02:15 1998 Richard Henderson <rth@cygnus.com>
2023 * loop.c (get_condition): Don't combine when either compare is MODE_CC.
2024 * alpha.c (alpha_emit_conditional_branch): New function. Taken from
2025 the body of beq; additionally set the mode of the branch to CCmode for
2026 FP compares and not fast_math.
2027 (alpha_emit_conditional_move): Always use a compare insn for FP
2028 when not fast_math, as well as setting CCmode on the cmov.
2029 * alpha.md (beq, bne, blt, et al): Call alpha_emit_conditional_branch.
2031 * machmode.h (COMPLEX_MODE_P): New macro.
2033 Sat May 9 01:53:23 1998 Richard Henderson <rth@cygnus.com>
2035 * haifa-sched.c (print_exp): Fix typo.
2037 Fri May 8 21:48:50 PDT 1998 Jeff Law (law@cygnus.com)
2039 * version.c: Bump for snapshot.
2041 Fri May 8 18:23:08 1998 Michael Meissner <meissner@cygnus.com>
2043 * final.c (final_scan_insn): Call fatal_insn instead of abort if
2044 we could not split an insn when required to.
2046 * m32r.md ({add,sub}di3): Add define_splits and appropriate low
2048 (peepholes): Disable peepholes that call dead_or_set_p.
2049 (movsi): Rewrite to handle addresses better after last change.
2050 Add define_split to split load of addresses in large/medium modes.
2051 (prologue): Call m32r_expand_prologue.
2052 (movsi_{push,pop}): Generators for push/pop.
2053 (movsi): Support PRE_{INC,DEC}, POST_INC.
2054 (mov{di,df}): Rewrite. Always split the insns.
2055 (movsf): Add define_split to get register load in correct mode.
2056 (cmp_ne_small_const_insn): Use 'N' instead of 'S' constraint.
2057 (attributes): Rewrite attributes so that type indicates both the
2058 type and the length of the insn directly.
2059 (all insns): Change to use new type attributes.
2060 (debug): New attribute to convey whether -mdebug was used.
2061 (opt_space): New attribute to convey whether -Os was used.
2062 (function units): Loads are 3 cycles, not 2. Better classify all
2063 insns into short/long.
2064 (load/store/extend insns): Add separate case for load/store
2065 indirect operations without an offset.
2066 (divsi3): Division is a long operation, not short.
2068 * m32r.h (LEGITIMATE_LO_SUM_ADDRESS_P): Do not allow LO_SUM for
2070 (GO_IF_MODE_DEPENDENT_ADDRESS): LO_SUM is now mode dependent.
2071 (CONST_OK_FOR_LETTER_P): Make 'N' handle reverse 8 bit compares.
2072 (EXTRA_CONSTRAINT): Remove 'S' special support. Add 'U' for
2073 operands with PRE_{INC,DEC}, POST_INC.
2074 (FUNCTION_PROFILER): Call abort instead of doing nothing.
2075 (GO_IF_LEGITIMATE_ADDRESS): Allow PRE_{INC,DEC}, POST_INC of
2077 (gen_split_move_double): Declare.
2078 (EXTRA_CONSTRAINT): Add 'T' for memory reference with no offset.
2080 * m32r.c (gen_split_move_double): Fix typo. Also, don't call
2081 emit_move_insn, build up SET's directly.
2082 (toplevel): Include system.h, not stdio.h.
2083 (move_double_src_operand): Allow any DF or DI mode constant.
2084 (gen_split_move_double): Split moves of DI or DF values into the
2085 appropriate moves, loads, or stores. Don't handle use of auto
2086 inc/dec if using dead index. Do handle overlapping moves, etc.
2087 (m32r_frame_info): Remove prologue_size field.
2088 (m32r_compute_frame_size): Don't calculate prologue size.
2089 (m32r_output_function_prologue): Change to pretty much a NOP.
2090 (m32r_expand_prologue): Expand prologue as a series of INSNs.
2091 (m32r_print_operand): Add support for PRE_{INC,DEC}, POST_INC.
2092 (m32r_print_operand_address): Ditto.
2094 Fri May 8 14:13:21 1998 H.J. Lu (hjl@gnu.org)
2096 * reload1.c (emit_reload_insns): When performing expensive
2097 optimizations, do not output the last reload insn if OLD is
2098 not the dest of NSN and is in the src and is clobbered by INSN.
2100 Fri May 8 09:47:29 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2102 * Makefile.in (genrtl.o): Depend on system.h.
2103 * gengenrtl.c (gencode): When creating genrtl.c, have it
2106 Fri May 8 10:57:33 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2108 * config/m68k/t-linux: Remove extra stuff already included in
2111 Fri May 8 09:53:24 Paul Eggert <eggert@twinsun.com>
2113 * fixinc.wrap: Renamed from fixinc.math. Put wrapper around
2114 curses.h if it contains `typedef char bool;', as suggested by
2115 Manfred Hollstein <manfred@s-direktnet.de>.
2117 * configure.in: Rename fixinc.math to fixinc.wrap.
2119 Thu May 7 19:26:34 1998 Jim Wilson <wilson@cygnus.com>
2121 * gcc.c (read_specs): Handle missing blank line at end of specs file.
2123 * i386.md (movsicc, movhicc, movsicc_1, movhicc_1, movsfcc_1,
2124 movdfcc_1): Disable.
2126 Thu May 7 15:39:14 1998 Jim Wilson <wilson@cygnus.com>
2128 * configure.in (enable_threads): Rename to enable_threads_flag before
2129 main loop. Set enable_threads to enable_threads_flag inside main
2132 Thu May 7 17:38:03 1998 Michael Meissner <meissner@cygnus.com>
2134 * r6000/eabi.asm (__eabi): Restore LR in case __eabi is called
2137 Thu May 7 14:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2139 * aclocal.m4 (GCC_FUNC_VFPRINTF_DOPRNT): New macro.
2141 * configure.in: Add a call to GCC_FUNC_VFPRINTF_DOPRNT.
2142 (AC_CHECK_HEADERS): Remove unused check for varargs.h,sys/varargs.h.
2143 (AC_CHECK_FUNCS): Remove unused check for vprintf.
2145 * Makefile.in: Add support for linking in vfprintf.c and doprint.c.
2146 (cccp.o): Depend on gansidecl.h.
2149 * cccp.c: Convert from using PRINTF_ALIST/PRINTF_DCL to VPROTO as
2150 per the rest of gcc source.
2151 * cexp.y: Likewise. Include gansidecl.h and remove all code made
2154 * cccp.c: Remove checks for HAVE_VPRINTF and the associated code
2155 used when vfprintf is missing.
2158 * genattrtab.c: Likewise.
2159 * mips-tfile.c: Likewise.
2160 * toplev.c: Likewise.
2162 * vfprintf.c: New file.
2163 * doprint.c: New file.
2165 Thu May 7 10:18:41 1998 Jeffrey A Law (law@cygnus.com)
2167 * config/linux.h (ASM_COMMENT_START): Remove from here,
2168 * config/linux-aout.h (ASM_COMMENT_START): and here,
2169 * config/i386/linux.h (ASM_COMMENT_START): to here,
2170 * config/i386/linux-aout.h (ASM_COMMENT_START): and here.
2171 * config/i386/linux-oldld.h (ASM_COMMENT_START): Define
2174 Thu May 7 10:55:59 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2176 * config/m68k/m68k.md (adddi3, subdi3): Properly negate the DImode
2179 Wed May 6 22:32:37 CDT 1998 Robert Lipe <robertl@dgii.com>
2181 * Makefile.in (dwarfout.o) Add toplev.h dependency.
2182 * dwarfout.c, i386.c: Include toplev.h
2183 * toplev.h: (pfatal_with_name) Add prototype.
2185 Wed May 6 19:02:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2187 * Makefile.in: Fix .SUFFIXES.
2189 Wed May 6 19:31:32 1998 Alan Modra <alan@spri.levels.unisa.edu.au>
2191 * config/linux.h (ASM_COMMENT_START): Define as "#".
2192 * config/linux-aout.h (ASM_COMMENT_START): Likewise.
2194 Wed May 6 15:51:39 1998 Jim Wilson <wilson@cygnus.com>
2196 * objc/Make-lang.h (objc-parse.o): Add toplev.h dependency.
2197 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2199 * toplev.c: Include toplev.h.
2200 * Makefile.in (c-common.o, c-convert.o, c-decl.o, c-iterate.o,
2201 c-lex.o, c-parse.o, c-pragma.o, c-typeck.o, calls.o, convert.o,
2202 dwarf2out.o, except.o, expr.o, final.o, fold-const.o, function.o,
2203 hash.o, profile.o, real.o, reg-stack.o, regclass.o, reload.o,
2204 reload1.o, stmt.o, stor-layout.o, tlink.o, tree.o, varasm.o): Add
2205 toplev.h dependency.
2207 * mips/mips.c (save_restore_insns): Change FRAME_POINTER_REGNUM to
2208 HARD_FRAME_POINTER_REGNUM.
2210 * expr.c (target_temp_slot_level): Delete duplicate definition.
2212 Wed May 6 16:46:01 1998 Jeffrey A Law (law@cygnus.com)
2214 * stmt.c (mark_seen_cases): Make it have external linkage again.
2215 * expr.h (mark_seen_cases): Add declaration, but only when tree.h
2218 * haifa-sched.c (print_value, case SUBREG): Fix typo.
2220 * i386.c (output_387_binary_op): Add some braces to avoid warnings.
2221 * i386.h (REG_CLASS_CONTENTS): Similarly.
2223 * toplev.c (-fsched-max): Delete flag.
2224 (-fsched-interblock-max-blocks,-fsched-interblock-max-insns): Likewise.
2225 * haifa-sched.c: Remove -fsched-max-N, -fsched-interblock-max-blocks-N
2226 and -fsched-interblock-max-insns-N support. Remove INTERBLOCK_DEBUG
2229 * haifa-sched.c (find_rgns): Correctly handle reducible loops with
2230 inner loops which are not reducible.
2232 * loop.c (regs_match_p): Fix typo in prototype.
2234 * regmove.c (try_auto_increment): Wrap declaration inside an
2235 #ifdef AUTO_INC_DEC.
2237 Wed May 6 17:07:47 1998 Michael Meissner <meissner@cygnus.com>
2239 * final.c (output_operand_lossage): Call fatal with the operand
2240 lossage message instead of calling abort.
2242 Wed May 6 15:37:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2244 * c-common.c: Convert to using ctype macros defined in system.h.
2245 * c-lex.c: Likewise.
2247 * collect2.c: Likewise.
2248 * rs6000.c: Likewise.
2249 * cpplib.c: Likewise.
2250 * fix-header.c: Likewise.
2252 * gen-protos.c: Likewise.
2253 * pexecute.c: Likewise.
2254 * protoize.c: Likewise.
2258 * tlink.c: Likewise.
2259 * toplev.c: Likewise.
2261 Wed May 6 14:44:14 1998 Gavin Koch <gavin@cygnus.com>
2263 * config/mips/r3900.h (SUBTARGET_ASM_DEBUGGING_SPEC) :
2264 Replace -gdwarf-2 with -g0.
2266 Wed May 6 11:43:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2268 * Makefile.in (mips-tfile.o, mips-tdump.o): Depend on system.h.
2269 * mips-tdump.c: Include system.h, remove redundant headers.
2270 * mips-tfile.c: Likewise. Also, convert all ctype function calls
2271 to calls of the macro versions defined in system.h.
2273 * objc/Make-lang.in (objc-act.o): Depend on system.h.
2274 * objc/objc-act.c: Include system.h, remove redundant headers.
2276 Wed May 6 11:21:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2278 * configure.in (AC_CHECK_FUNCS): Add isascii.
2279 (GCC_NEED_DECLARATIONS): Add atof.
2281 * system.h: Provide prototypes for abort, atof, atol and sbrk here.
2282 * rtl.c, rtl.h, toplev.c, tree.h: Not here.
2284 Wed May 6 10:52:49 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2286 * system.h: Wrap time.h and sys/file.h in autoconf checks.
2287 Provide default definitions for O_RDONLY and O_WRONLY here.
2289 * cccp.c, cpplib.c, fix-header.c, gcc.c, protoize.c: Not here.
2291 1998-05-06 Mark Mitchell <mmitchell@usa.net>
2293 * tree.h (IS_EXPR_CODE_CLASS): Remove bogus '3'.
2295 Wed May 6 06:35:38 1998 Robert Lipe <robertl@dgii.com>
2297 * toplev.h: New file. Protypes for functions in toplev.c.
2298 * tree.h, rtl.h: Deleted protos for functions in toplev.c.
2299 * c-common.c, c-convert.c, c-decl.c, c-iterate.c, c-lex.c,
2300 c-parse.in, c-parse.y, c-pragma.c, c-typeck.c, calls.c,
2301 convert.c, dwarf2out.c, except.c, expr.c, final.c, fold-const.c,
2302 function.c, hash.c, profile.c, real.c, reg-stack.c, regclass.c,
2303 reload.c, reload1.c, stmt.c, stor-layout.c, tlink.c, tree.c,
2304 varasm.c: include it.
2306 Wed May 6 01:09:01 1998 Jeffrey A Law (law@cygnus.com)
2307 Jim Wilson (wilson@cygnus.com)
2309 * haifa-sched.c (find_rgns): In no_loops case, fix test for leaf
2310 blocks. Check for 1 successor which is the EXIT_BLOCK.
2312 * haifa-sched.c (find_rgns): Detect unreachable blocks, including
2313 unreachable loops with more than one block.
2315 Wed May 6 08:22:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
2317 * fix-header.c (write_rbrac): Add "abort" to functions which need to
2320 Wed May 6 00:09:36 1998 Jeffrey A Law (law@cygnus.com)
2322 * Check in merge from gcc2. See ChangeLog.12 for details.
2324 Tue May 5 14:33:49 1998 Jim Wilson <wilson@cygnus.com>
2326 * c-common.c (scan_char_table): Separate 's' and 'c'. 'c' does not
2327 accept 'a' flag. 'S' does accept 'a' flag.
2328 (check_format_info): When pedantic, warn for m/C/S/a/A formats,
2331 * elf64.h (MULTILIB_DEFAULTS): Move definition after mips.h include.
2333 Tue May 5 10:50:39 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2335 * config/m68k/m68k.h: Declare functions from m68k.c used in
2336 macros and machine description.
2337 (ASM_OUTPUT_LONG_DOUBLE): Always use `l' flag in print format for
2339 (ASM_OUTPUT_FLOAT): Likewise.
2340 (ASM_OUTPUT_FLOAT_OPERAND): Likewise.
2342 Tue May 5 01:28:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2344 * tree.def: Add NAMESPACE_DECL.
2345 * dwarfout.c (type_ok_for_scope): Ignore NAMESPACE_DECLs for now.
2346 * dwarf2out.c (push_decl_scope): Likewise.
2347 (scope_die_for): Likewise.
2348 * tree.c (decl_function_context): Use TREE_CODE_CLASS to determine
2349 how to get next context level.
2351 Tue May 5 01:43:16 1998 Jim Wilson <wilson@cygnus.com>
2353 * i386.c (output_fix_trunc): Add code to emulate non-popping DImode
2356 Tue May 5 01:15:06 1998 Jeffrey A Law (law@cygnus.com)
2358 * h8300.h (ADDITIONAL_REGISTER_NAMES): Add "er" registers.
2360 * reorg.c (fill_slots_from_thread): Update REG_DEAD/REG_UNUSED notes
2361 for any insns skipped at the start of a block because they were
2364 Mon May 4 20:23:51 1998 Jim Wilson <wilson@cygnus.com>
2366 * alpha.h (DBX_CONTIN_LENGTH): Decrease to 3000.
2368 1998-05-04 Ulrich Drepper <drepper@cygnus.com>
2370 * c-common.c (format_char_info): Add new field hhlen.
2371 (print_char_table, scan_char_table, time_char_table): Initialize
2372 hhlen field appropriately.
2373 (char_format_info): Recognize hh modifier and lookup correct char
2376 Mon May 4 19:15:29 1998 Jim Wilson <wilson@cygnus.com>
2378 * expr.c (expand_expr, case INDIRECT_REF): Don't optimize string
2379 reference if this is a store.
2381 Mon May 4 17:25:17 1998 Richard Henderson <rth@cygnus.com>
2383 * sparc.c (output_move_quad): Fix typo in mov_by_64 argument.
2385 Sun May 3 23:57:25 1998 Robert Lipe <robertl@dgii.com>
2387 Make UnixWare 7 bootstrap support work with final shipping product.
2388 * configure.in: (i[34567]86-*-sysv5): append, not overwrite, xm_file.
2389 Pick up xm-siglist and xm-alloca.
2390 (xm_defines): Add USG so dbxout will build.
2391 * configure: Regenerate.
2393 Sun May 3 13:51:34 PDT 1998 Richard Henderson <rth@cygnus.com>
2395 Support for official Sparc V9 ABI:
2396 * sparc.c (sparc_override_options): Force stack bias off for !arch64.
2397 Care for flag_pcc_struct_return default.
2398 (output_move_quad): Rewrite to move by halves on v9 and in the
2400 (move_quad_direction): New function.
2401 (output_fp_move_quad): Use it to determine the direction of copy.
2402 (function_arg_slotno): Return -1 for FP reg overflow as well.
2403 (function_arg_record_value*): New functions.
2404 (function_arg): Use them. Streamline unprototyped parameter passing.
2405 (function_arg_pass_by_reference): Pass TCmode by reference.
2406 (function_value): New function.
2407 * sparc.h (PTRDIFF_TYPE, SIZE_TYPE): For -pedantic's sake, don't use
2408 long long in 64-bit mode.
2409 (RETURN_IN_MEMORY): v9 returns structs < 32-bytes in regs.
2410 (DEFAULT_PCC_STRUCT_RETURN): Make the default detectable.
2411 (BASE_RETURN_VALUE_REG): Consider complex float types for arch64.
2412 (BASE_OUTGOING_VALUE_REG, BASE_PASSING_ARG_REG): Likewise.
2413 (BASE_INCOMING_ARG_REG): Likewise.
2414 (FUNCTION_VALUE): Call function_value.
2415 (FUNCTION_OUTGOING_VALUE, LIBCALL_VALUE): Likewise.
2416 * sparc.md (movdi_sp32_v9): Disable for arch64.
2417 (movsf, movdf, movtf): Sort all ulternatives using fp regs first.
2418 (call_value_address_sp64): Remove register class constraints.
2419 (call_value_symbolic_sp64): Likewise.
2420 (nonlocal_goto): Pass label reg directly to goto_handlers. Constrain
2421 v9 case to 32-bit constants.
2422 (goto_handler_and_restore_v9): Provide a version for arch64.
2423 * sparc/linux64.h (SIZE_TYPE, PTRDIFF_TYPE): Remove private definition.
2424 * sparc/sp64-aout.h (TARGET_DEFAULT): Turn on stack bias.
2425 (CPP_PREDEFINES): New.
2426 * sparc/sp64-elf.h: Likewise.
2427 (PREFERRED_DEBUGGING_TYPE): Dwarf2.
2428 (ASM_OUTPUT_DWARF2_ADDR_CONST): New.
2429 * sparc/sysv4.h (SIZE_TYPE, PTRDIFF_TYPE): Undo svr4.h's changes.
2431 Sat May 2 17:47:17 PDT 1998 Jeff Law (law@cygnus.com)
2433 * version.c: Bump for snapshot.
2435 Sat May 2 01:37:29 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2437 * reload.c (find_reloads): Emit USEs to mark where a pseudo
2438 is reloaded with the MEM of its stack slot.
2439 * reload1.c (cannot_omit_stores): Delete.
2440 (reload): Don't initialize it.
2441 Don't apply avoid_return_reg logic to USEs.
2442 When done, remove USEs that have a REG_EQUAL note on them.
2443 (emit_reload_insns): Handle case where we have inherited a MEM.
2444 (choose_reload_regs): Likewise.
2445 (delete_output_reload): Don't use cannot_omit_stores.
2447 Thu Apr 30 18:59:03 1998 Jim Wilson <wilson@cygnus.com>
2449 * Makefile.in (cpp.info, gcc.info): Put -o option before input file.
2451 Thu Apr 30 16:57:34 1998 Michael Meissner <meissner@cygnus.com>
2453 * haifa-sched.c (print_{exp,value}): Various changes to make the
2454 debug output easier to read. Also, use only one buffer, and make
2455 sure the buffer we are passed in doesn't overflow.
2456 (safe_concat): Concatenate to a buffer without overflow.
2458 Thu Apr 30 16:57:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2460 * haifa-sched.c (alloc_{INSN,EXPR}_LIST): Make static to agree
2463 Wed Apr 29 21:45:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2465 * sched.c (new_insn_dead_notes): Check if the register was
2466 used in the original instruction.
2467 * haifa-sched.c (new_insn_dead_notes): Likewise.
2469 Wed Apr 29 13:46:03 1998 Jim Wilson <wilson@cygnus.com>
2471 * dwarf2out.c (scope_die_for): If could not find proper scope,
2472 check for and handle tagged type with incorrect TYPE_CONTEXT.
2474 Wed Apr 29 15:34:40 1998 John Carr <jfc@mit.edu>
2476 * calls.c (expand_call): Fix recognition of C++ operator new.
2478 * alias.c (mode_alias_check): Disable type based alias detection.
2480 Wed Apr 29 15:06:42 1998 Gavin Koch <gavin@cygnus.com>
2482 * config/mips/elf.h (ASM_OUTPUT_DEF,ASM_WEAKEN_LABEL,
2483 ASM_OUTPUT_WEAK_ALIAS): Define.
2484 * config/mips/elf64.h: Same.
2485 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
2486 ASM_WEAKEN_LABEL): Removed.
2488 Wed Apr 29 10:53:29 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2490 * calls.c (expand_call): Bump the length limit on the specially
2491 recognized function names to 17.
2493 Tue Apr 28 17:53:33 1998 Jim Wilson <wilson@cygnus.com>
2495 * ginclude/stddef.h: Add check for _MACHINE_ANSI_H_ for BSD/OS
2496 when undefining macros at the end.
2498 * expr.c (expand_builtin, case BUILT_IN_MEMSET): Break if either
2499 val or len has TREE_SIDE_EFFECTS set.
2501 * sparc.md (mulsidi3): Call const v8plus and v8plus routines.
2502 (mulsidi3_v8plus, const_mulsidi3_v8plus): Delete asterisk from name.
2503 (smuldi3_highpart): Call const v8plus routine.
2504 (smulsi3_highpart_v8plus): Renamed from smulsidi3_highpart_v8plus.
2505 (const_smulsi3_highpart_v8plus): New pattern.
2506 (smulsi3_highpart_sp32): Renamed from smulsidi3_highpart_sp32.
2507 (umulsidi3): Call const v8plus routine.
2508 (umulsi3_highpart): Handle const before v8plus. Call const v8plus
2510 (umulsi3_highpart_v8plus): Renamed from umulsidi3_highpart_v8plus.
2511 (umulsi3_highpart_sp32): Renamed from umulsidi3_highpart_sp32.
2513 Tue Apr 28 08:55:26 1998 Michael Meissner <meissner@cygnus.com>
2515 * m32r.c (*_oper{and|ator}): Change enum arguments and return
2516 values to int, so they can be prototyped even in files that don't
2518 ({small,large}_insn_p): Ditto.
2519 (m32r_select_cc_mode): Ditto.
2520 (gen_compare): Ditto.
2521 (function_arg_partial_nregs): Ditto.
2522 (m32r_setup_incoming_varargs): Ditto.
2523 (init_reg_tables): Add prototype.
2524 (m32r_frame_info): Add prolog_size field.
2525 (m32r_compute_frame_size): Calculate the size of the prologue.
2526 (m32r_first_insn_address): Return prologue size.
2527 (m32r_output_function_prologue): Calculate frame size before
2528 printing out information. Print out the prologue size.
2530 * m32r.h: Prototype all functions in m32r.c.
2531 (FIRST_INSN_ADDRESS): Declare, returning prologue size.
2533 * m32r.md (bcc functions): Cast enum's to int.
2535 * m32r.c (conditional_move_operand): Silence a debug message.
2536 ({small,long}_insn): New predicates.
2538 * m32r.h (TARGET_M32R): New macro.
2539 (PREDICATE_CODES): Rearrange somewhat, add small_insn/long_insn.
2540 (HAIFA_P): Define as 1/0 depending on whether the Haifa scheduler
2542 (ISSUE_RATE): Define as 2.
2544 * m32r.md (insn_size): New attribute.
2545 ({,rev_}branch_insn): Add .s qualifier to branches believed to be
2547 (m32r): New attribute.
2549 * configure.in (enable_haifa): Switch m32r to Haifa by default.
2550 * configure: Regenerate.
2552 (Changes from Nick Clifton <nickc@cygnus.com>)
2553 * m32r.h (EXTRA_CONSTRAINT): Implement 'S' constraint to perfoirm
2554 the equivalent of a negated 'I' constraint.
2555 (PRESERVE_DEATH_INFO_REGNO_P): Define in order to allow peephole
2556 optimisation to work.
2558 * m32r.md (cmp_ne_small_const_insn): Use 'S' constriant rather
2559 than 'I' since the value is negated.
2560 (peephole): Add peephole optimisation to cope with optimization of
2561 divide and subtracts of the same operands.
2563 * m32r.c zero_and_one, emit_cond_move): Add support for MVFC.
2567 * m32r.h (PREDICATE_CODES): Add declaration of machine specific
2570 Tue Apr 28 07:25:53 1998 Manfred Hollstein <manfred@s-direktnet.de>
2572 * Makefile.in (libgcc2.ready): Revert last patch (Apr 24).
2574 Mon Apr 27 18:39:47 1998 Nick Clifton <nickc@cygnus.com>
2576 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Check against
2577 frame_pointer_rtx not FRAME_POINTER_REGNUM.
2579 Mon Apr 27 18:36:28 1998 Jim Wilson <wilson@cygnus.com>
2581 * reg-stack.c: Revert last patch (Apr 20).
2582 (convert_regs): Set insn to PREV_INSN (next) after do while loop.
2584 * m68k/lb1sf68.asm (Laddsf$3): Fix typos in mcf5200 exg code.
2586 * loop.c (check_dbra_loop): New locals jump, first_compare, and
2587 compare_and_branch. Call get_condition to set first_compare.
2588 Set compare_and_branch to number of compare/branch instructions.
2589 Replace PREV_INSN (PREV_INSN (loop_end)) with first_compare.
2590 Replace '2' with compare_and_branch.
2592 Mon Apr 27 15:53:30 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2594 * cplus-dem.c (demangle_qualified): Replace missing else.
2596 Mon Apr 27 20:22:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2598 * sh.c (gen_ashift_hi): Don't make SUBREG of a SUBREG.
2600 Mon Apr 27 18:23:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2602 * sh.c (sh_expand_prologue, sh_expand_epilogue):
2603 If TARGET_DOUBLE_ALIGN, preserve 64 bit stack alignment.
2604 * sh.h (STACK_BOUNDARY): Likewise.
2606 Mon Apr 27 17:22:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2608 * sh.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2610 Mon Apr 27 08:55:23 1998 Michael Meissner <meissner@cygnus.com>
2612 * system.h (abort): If abort is not defined, and neither is
2613 USE_SYSTEM_ABORT, redefine abort to call fprintf and exit,
2614 reporting the line and filename of the error.
2616 * .gdbinit: Add breakpoints on exit and fancy_abort.
2618 * final.c (split_double): Avoid a compiler warning if
2619 BITS_PER_WORD is less than or equal to HOST_BIT_PER_WIDE_INT.
2621 * rtl.h (JUMP_{CROSS_JUMP,NOOP_MOVES,AFTER_REGSCAN}): New macros
2622 for calling jump_optimize.
2624 * toplev.c (rest_of_compilation): Call jump_optimize using JUMP_*
2625 macros, rather than 0/1's.
2627 Sun Apr 26 23:19:10 1998 Richard Henderson <rth@cygnus.com>
2629 * alpha.h (CONST_COSTS): Zero is always free.
2630 (RTX_COSTS): Add EV6 costs. Abort if alpha_cpu is unknown.
2632 Sun Apr 26 15:38:50 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2634 * cplus-dem.c (gnu_special): Fix off-by-one bug when checking the
2635 length in the name of a virtual table.
2637 Sun Apr 26 01:21:06 1998 Richard Henderson <rth@cygnus.com>
2639 * alpha.c (print_operand): Don't add 'v' suffix for ALPHA_FPTM_N.
2641 Sat Apr 25 22:11:38 PDT 1998 Jeff Law (law@cygnus.com)
2643 * version.c: Bump for snapshot.
2645 Sat Apr 25 17:17:15 1998 Jeffrey A Law (law@cygnus.com)
2647 * fold-const.c (fold_convert): Fix typo.
2649 Sat Apr 25 17:55:54 1998 John Carr <jfc@mit.edu>
2651 * alias.c (alias_invariant): New variable.
2652 (record_base_value): New argument INVARIANT.
2653 (memrefs_conflict_p): If a register has an entry in the alias_invariant
2654 array, try substituting that value for the register.
2656 * rtl.h: Declare record_base_value.
2658 * loop.c, unroll.c: Update callers of record_base_value.
2660 * alias.c (find_base_value, find_base_term): SIGN_EXTEND and
2661 ZERO_EXTEND do not affect base values.
2663 Fri Apr 24 15:57:02 1998 Jeffrey A Law (law@cygnus.com)
2665 * dbxout.c (dbxout_type): Fix typo.
2666 (dbxout_range_type): Another HOST_WIDE_INT_PRINT_DEC fix.
2668 * configure.in: Use CC_FOR_BUILD, not BUILD_CC.
2670 Fri Apr 24 16:11:47 1998 John Carr <jfc@mit.edu>
2672 * expr.c (expand_builtin, case MEMSET): Set MEM_IN_STRUCT_P
2673 if the argument is the address of a structure or array.
2675 * configure.in: Enable Haifa scheduler by default for SPARC.
2677 Fri Apr 24 20:55:47 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2679 * cse.c (cse_set_around_loop): Don't do optimization when
2680 new pseudos are created.
2682 Fri Apr 24 11:00:18 1998 Jeffrey A Law (law@cygnus.com)
2684 * dbxout.c (dbxout_type_fields): Use HOST_WIDE_INT_PRINT_DEC
2686 (dbxout_type_method_1, dbxout_type): Likewise.
2687 (print_int_cst_octal, print_octal, dbxout_symbol): Likewise.
2688 (dbxout_type): Fix check for when to print a type range in
2691 Fri Apr 24 16:45:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2693 * (gen_shl_and, in case 1): Fix comparison with mask.
2695 Fri Apr 24 06:46:40 1998 Nick Clifton <nickc@cygnus.com>
2697 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow frame
2698 pointer as second register in REG+REG pair.
2700 Fri Apr 24 09:22:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2702 * c-common.c (check_format_info): Don't check for the 'x' format
2703 character twice, instead check for 'x' and 'X'
2705 Fri Apr 24 08:02:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
2707 * Makefile.in (libgcc2.ready): Add explicit dependancy from
2708 $(STMP_FIXPROTO) to ensure all necessary include files have
2709 been created and to guarantee proper parallel builds.
2711 Fri Apr 24 04:42:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2713 * sh.c (sh_expand_prologue, in !SH3E code): Don't push an extra
2714 register for stdarg functions.
2715 * sh.h (current_function_varargs): Declare.
2716 (FUNCTION_ARG): Ignore NAMED for stdarg functions.
2718 1998-04-23 Jim Wilson <wilson@cygnus.com>
2720 * frame.c, libgcc2.c (stdlib.h, unistd.h): Don't include when
2721 inhibit_libc is defined.
2723 * c-aux-info.c (gen_type): Use DECL_NAME only for TYPE_DECL.
2725 Thu Apr 23 19:09:33 1998 Jim Wilson <wilson@cygnus.com>
2727 * profile.c (tablejump_entry_p): New function.
2728 (branch_prob): Add code to recognize MIPS tablejump entry branch.
2729 Use tablejump_entry_p in MIPS and HPPA tablejump checking code.
2731 Thu Apr 23 15:01:13 1998 Nick Clifton <nickc@cygnus.com>
2733 * config/arm/arm.c (find_barrier): Return as soon as a barrier is
2734 found, rather than at end of the loop, after the insn has been
2737 Thu Apr 23 20:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2739 * sh.c (gen_ashift_hi): Implement right shifts via gen_ashift.
2740 * sh.md (ashrhi3_k, lshrhi3_k, lshrhi3_m, lshrhi3, lshrhi3+1): Delete.
2742 Wed Apr 22 17:07:35 1998 Michael Meissner <meissner@cygnus.com>
2744 * loop.c (note_addr_stored): Correct function to take 2 arguments,
2747 * rtl.def (MATCH_INSN2): Add new matching pattern.
2748 * genrecog.c (add_to_sequence): Support MATCH_INSN2.
2750 Wed Apr 22 15:52:22 1998 John Carr <jfc@mit.edu>
2752 * emit-rtl.c (gen_highpart): The high part of a CONST_INT is not zero
2753 if HOST_BITS_PER_WIDE_INT is larger than BITS_PER_WORD.
2755 * final.c (split_double): Sign extend both halves of a split CONST_INT.
2757 Wed Apr 22 10:42:45 1998 Jeffrey A Law (law@cygnus.com)
2759 * mips.c (compute_frame_size): Change only argument to a HOST_WIDE_INT.
2761 Wed Apr 22 10:53:49 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2763 * cplus-dem.c (struct work stuff): Add field for B and K mangle codes.
2764 (cplus_demangle_opname): Call mop_up_squangle.
2765 (cplus_demangle): Initialize squangle info, then call
2766 internal_cplus_demangle. (Most code moved there as well)
2767 (internal_cplus_demangle): New function, performs most of what use
2768 to be done in cplus_demangle, but is only called with this file.
2769 (squangle_mop_up): New function to clean up B and K code data.
2770 (mop_up): set pointers to NULL after freeing.
2771 (demangle_signature, demangle_template, demangle_class): Add
2772 switch elements to handle K and B codes.
2773 (demangle_prefix, gnu_special, demangle_qualified): Add
2774 code to handle K and B codes.
2775 (do_type, demangle_fund_type): Handle B and K codes.
2776 (remember_Ktype): New function to store K info.
2777 (register_Btype, remember_Btype): New functions for B codes.
2778 (forget_B_and_K_types): New function to destroy B and K info.
2780 1998-04-21 Jim Wilson <wilson@cygnus.com>
2782 * stmt.c (check_seenlabel): When search for line number note for
2783 warning, handle case where there is no such note.
2785 Tue Apr 21 20:48:37 1998 John Carr <jfc@mit.edu>
2787 * genemit.c (gen_exp): Allow machine description to set mode of
2790 Tue Apr 21 16:36:01 1998 John Carr <jfc@mit.edu>
2792 * alias.c (mode_alias_check): New function.
2793 (true_dependence, anti_dependence, output_dependence): Call
2796 Tue Apr 21 12:05:32 1998 Jeffrey A Law (law@cygnus.com)
2798 * mips.h (STACK_BOUNDARY): Allow specific targets to override.
2799 (MIPS_STACK_ALIGN): Similarly.
2801 * c-common.c (type_for_mode): Handle TI types.
2802 * c-decl.c (intTI_type_node, unsigned_int_TI_type_node): Define.
2803 (init_decl_processing): Handle TI types.
2804 * c-tree.h (intTI_type_node, unsigned_int_TI_type_node): Declare.
2806 * mips.c (block_move_loop): Test Pmode == DImode instead of
2808 (expand_block_move, save_restore_insns): Likewise.
2809 (function_prologue, mips_expand_prologue): Likewise.
2810 (mips_expand_epilogue): Likewise.
2811 * mips.h (POINTER_SIZE): Allow specific targets to override.
2812 (Pmode): Allow specific targets to override.
2813 (FUNCTION_PROFILER): Test Pmode == DImode instead of TARGET_MIPS64
2814 (POINTER_BOUNDARY, FUNCTION_MODE): Likewise.
2815 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2816 (TRAMPOLINE_ALIGNMENT, INITIALIZE_TRAMPOLINE): Likewise.
2817 (CASE_VECTOR_MODE, ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
2818 (ASM_OUTPUT_ADDR_DIFF_ELT, SIZE_TYPE, PTRDIFF_TYPE): Likewise.
2819 * mips.md (indirect, tablejump & casesi support): Test for
2820 Pmode == DImode instead of TARGET_MIPS64.
2821 (call patterns): Likewise.
2823 Tue Apr 21 09:43:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2825 * objc/sendmsg.c: Define gen_rtx_MEM() to 1, as is already done
2826 for gen_rtx(MEM, ...).
2828 Tue Apr 21 02:15:36 1998 Richard Henderson <rth@cygnus.com>
2830 * sparc.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Rewrite
2831 to not be so gross, and to properly function with PIC.
2833 Mon Apr 20 20:44:25 1998 Jim Wilson <wilson@cygnus.com>
2835 * frame.c (heapsort): Rename to frame_heapsort.
2837 * gcc.c (do_spec_1, case '['): Move flag out of loop and initialize it.
2839 Mon Apr 20 12:43:09 1998 Doug Evans <devans@canuck.cygnus.com>
2841 * flow.c (sbitmap_vector_alloc): Ensure sbitmaps properly aligned.
2843 Mon Apr 20 15:04:14 1998 John Wehle (john@feith.com)
2845 * i386.md (movsf_push, movdf_push, movxf_push): Allow memory
2846 operands during and after reload.
2848 Mon Apr 20 22:37:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2850 * final.c (shorten_branches, init_insn_lengths): Move code
2851 to free label_align, uid_shuid, insn_lengths, insn_addresses
2852 and uid_align from the former function into the latter one;
2853 Add code to clear these variables.
2854 * sh.h (label_align): Remove declaration.
2856 Mon Apr 20 14:48:29 1998 Michael Meissner <meissner@cygnus.com>
2858 * gcc.c (lang_specific_driver): Declare prototype properly so
2859 fatal can be passed to it without error.
2861 * configure.in (AC_CHECK_FUNCS): Check for strchr and strrchr.
2862 * configure: Regenerate.
2863 * config.in: Add #undef's for strchr and strrchr.
2865 * protoize.c (toplevel): If we have rindex, but not strrchr, map
2867 (file_could_be_converted): Use strrchr, not rindex since rindex is
2868 not defined on Linux systems when _POSIX_SOURCE is defined.
2869 (file_normally_convertible): Ditto.
2870 (process_aux_info_file): Ditto.
2873 * rs6000.md (mov{sf,df} define_splits): When splitting a move of
2874 a constant to an integer register, don't split the insns that do
2875 the simple AND and OR operations, rather just split each word, and
2876 let the normal movsi define split handle it further.
2878 Mon Apr 20 18:19:40 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2880 * sh.c (find_barrier): Fix bug in ADDR_DIFF_VEC handling.
2881 (split_branches): Call init_insn_lengths.
2883 Mon Apr 20 07:37:49 1998 Michael Meissner <meissner@cygnus.com>
2885 * i386.c: Include expr.h to get the change_address prototype
2888 Mon Apr 20 01:00:05 1998 H.J. Lu (hjl@gnu.org)
2890 * reg-stack.c (subst_asm_stack_regs): Change to return the last
2891 new insn generated by this function.
2892 (subst_stack_regs): Likewise.
2893 (convert_regs): Record the last newly generated insn and use
2894 it for change_stack () instead of INSN.
2896 Sun Apr 19 15:41:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
2898 * fix-header.c (enum special_file): Undefine enumerators if they
2899 are already defined by include files.
2900 * fixproto (rel_source_file in unistd.h stdlib.h): Prefix file protection
2901 macro with '__' to not pollute user namespace.
2903 Sun Apr 19 02:42:06 1998 Richard Henderson <rth@cygnus.com>
2905 * haifa-sched.c (queue_to_ready): Fix typo in prototype.
2907 Sat Apr 18 23:52:35 PDT 1998 Jeff Law (law@cygnus.com)
2909 * version.c: Bump for snapshot.
2911 Sat Apr 18 18:30:22 1998 Jim Wilson <wilson@cygnus.com>
2913 * i386.md (fix_truncsfdi2+[123]): Add + to operand 1 constraints.
2915 * i386.h (CPP_CPU_DEFAULT): Renamed to CPP_CPU_DEFAULT_SPEC.
2916 Add missing -Dpentium* options.
2917 (CPP_CPU_SPEC): Delete redundant definition. Include cpp_cpu_default
2918 instead of CPP_CPU_DEFAULT.
2919 (EXTRA_SPECS): Add entry for cpp_cpu_default.
2921 Sat Apr 18 19:06:59 1998 David Edelsohn <edelsohn@mhpcc.edu>
2923 * rs6000.md (floatsidf2_loadaddr): rs6000_fpmem_offset will be
2924 negative in a stackless frame.
2925 * rs6000.c (rs6000_stack_info): Don't include fixed-size link area
2926 in stackless frame size. Support 64-bit stackless frame size.
2927 Combine fpmem offset calculations and don't add total_size to
2928 offset if not pushing a stack frame.
2930 Sat Apr 18 15:41:16 1998 Jim Wilson <wilson@cygnus.com>
2932 * regmove.c (fixup_match_1): In three places, in flag_exceptions
2933 check, change p to q.
2935 Sat Apr 18 15:30:49 1998 Jim Wilson <wilson@cygnus.com>
2937 * gcc.c (lang_specific_driver): Add new parm type to prototype.
2938 (added_libraries): New file scope static variable.
2939 (process_command): Initialize added_libraries. Pass it to
2940 lang_specific_driver.
2941 (main): Use added_libraries in check for no input files.
2943 Sat Apr 18 01:23:11 1998 John Carr <jfc@mit.edu>
2945 * sparc.c, sparc.h, sparc.md, sol2.h: Many changes related to V9
2946 code generation. Use 64 bit instructions in 32 bit mode when
2947 possible. Use V9 return instruction. UltraSPARC optimizations.
2949 * sparc.h: Change gen_rtx (CODE to gen_rtx_CODE (.
2951 Fri Apr 17 22:38:17 1998 Jeffrey A Law (law@cygnus.com)
2953 * global.c (global_alloc): Don't pass HARD_CONST (0) to find_reg,
2954 just pass zero. That will work regardless of the size of HARD_REG_SET.
2956 * libgcc2.c (__floatdisf): Fix a couple typos.
2958 Fri Apr 17 17:28:26 1998 Jim Wilson <wilson@cygnus.com>
2960 * Makefile.in (mostlyclean): Delete *.mach and *.bp files.
2962 Fri Apr 17 16:35:35 1998 Greg McGary <gkm@gnu.org>
2964 * emit-rtl.c (gen_highpart): initialize `word' properly for pseudo.
2966 Fri Apr 17 14:30:37 1998 John Carr <jfc@mit.edu>
2968 * emit-rtl.c (operand_subword_force): If a register can not be
2969 accessed by words, copy it to a pseudo register.
2971 Fri Apr 17 14:30:37 1998 Jim Wilson <wilson@cygnus.com>
2973 * rs6000/vxppc.h (CPP_SPEC): Add support for mrelocatable*.
2975 Fri Apr 17 17:01:25 1998 Michael Meissner <meissner@cygnus.com>
2977 * tree.h (mark_seen_cases): Delete declaration.
2979 Fri Apr 17 13:32:20 1998 Jeffrey A Law (law@cygnus.com)
2981 * stmt.c (mark_seen_cases): Make static and add prototype.
2983 Fri Apr 17 11:21:43 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2985 * frame.c: Include stdlib.h and unistd.h to possibly get various
2986 function prototypes. The fixproto script guarantees these header
2987 files exist on the target system.
2988 * libgcc2.c: Likewise.
2990 * gthr-single.h (__gthread_mutex_lock, __gthread_mutex_trylock,
2991 __gthread_mutex_unlock): Add __attribute__ ((__unused__)) to the
2992 function parameters.
2993 * libgcc2.c (__udiv_w_sdiv): Likewise.
2995 Thu Apr 16 22:41:02 1998 Jeffrey A Law (law@cygnus.com)
2997 * varasm.c (asm_output_bss): Add prototype.
2998 (asm_output_aligned_bss): Likewise.
3000 * unroll.c (verify_addresses): Add prototype.
3002 * toplev.c: Add many prototypes. Too many to mention here.
3004 * stmt.c (check_seenlabel): Add prototype.
3006 * rtlanal.c (reg_set_p_1): Add prototype.
3007 (reg_set_last_1): Likewise.
3009 * reorg.c (find_dead_or_set_registers): Add prototype.
3011 * regmove (try_auto_increment): Add prototype.
3013 * reg-stack.c (pop_stack): Add prototype.
3015 * recog.c (validate_replace_rtx_1): Add prototype.
3016 (find_cosntant_term_loc): Likewise.
3018 * loop.c (regs_patch_p): Add prototype.
3019 (add_label_notes, count_nonfixed_reads): Likewise.
3020 (find_single_use_in_loop): Likewise.
3021 (express_from): Surround prototype with #ifdef.
3022 (giv_sort): Similarly.
3024 * jump.c (mark_modified_reg): Add prototype.
3026 * haifa-sched.c (is_prisky): Add prototype.
3027 (queue_to_ready): Likewise.
3029 * genextract.c (gen_insn): Add prototype.
3031 * genemit.c (max_operand_1): Add prototype.
3032 (max_operand_vec, print_code, gen_exp, gen_insn): Likewise.
3033 (gen_expand, gen_explit, output_add_clobbers): Likewise.
3034 (output_init_mov_optab): Likewise.
3036 * genattrtab.c (attr_hash_add_rtx): Add prototype.
3037 (attr_hash_add_string, write_length_unit_log): Likewise.
3039 * genattr.c (init_range): Add prototype.
3041 * combine.c (sets_function_arg_p): Add prototype.
3043 * expr.c (store_constructor_field): Add prototype.
3044 (get_memory_usage_from_modifier): Likewise
3046 * expmed.c (synth_mult): Add prototype.
3047 (choose_multiplier, invert_mod2n): Likewise.
3049 * except.c (push_eh_entry): Add prototype.
3050 (pop_eh_entry, enqueue_eh_entry, dequeu_eh_entry): Likewise.
3051 (call_get_eh_context, start_dynamic_cleanup): Likewise.
3052 (start_dynamic_handler, can_throw): Likewise.
3053 (output_exception_table_entry, scan_region): Likewise.
3054 (eh_regs, set_insn_eh_region): Likewise.
3056 * dwarfout.c (decl_class_context): Add prototype.
3057 (output_inheritance_die, type_ok_for_scope): Likewise.
3059 * c-lex.c (skip_white_space_on_line): Add prototype.
3061 * alias.c (record_set): Add prototype.
3062 (find_base_term, base_alias_check): Likewise.
3064 * function.c (assign_outer_stack_local): Make static and add prototype.
3066 * haifa-sched.c (build_control_flow): Accept raw data as inputs
3067 instead of computing it locally. Callers changed.
3068 (find_rgns): Several new arguments. Callers changed.
3069 Generally clean up and comment better. Use dominators to
3070 identify reducible loops. Convert some flag arrays to bitmaps.
3071 Convert most of the code to work on pred/succ lists instead of
3072 an edge table. Add comments for future improvements.
3073 (schedule_insns): Allocate temporary tables for flow data, call
3074 routines to compute flow data and pass it along to children as
3076 (debug_control_flow): Delete. Use dump_bb_data instead.
3078 * basic-block.h (compute_dominators): Declare.
3080 * flow.c (dump_sbitmap, dump_sbitmap_vector): New debugging
3082 * basic-block.h: Declare them.
3084 Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
3086 * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
3089 Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
3091 * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
3092 Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated
3093 node is non NULL. Cache last file name and file name identifier node.
3095 1998-04-15 Mark Mitchell <mmitchell@usa.net>
3097 * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get
3098 the length of an array, not TREE_TYPE.
3100 Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com)
3102 * flow.c (sbitmap_union_of_successors): New function.
3103 * basic-block.h (sbitmap_union_of_successors): Declare it.
3105 Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com>
3107 * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop.
3108 Set gnu_ld to gnu_ld_flag inside main loop.
3111 Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com>
3113 * toplev.c (compile_file): Call init_parse using new interface.
3114 (init_lex): Remove declaration.
3116 * c-lex.c (init_parse): Now returns char* containing filename.
3118 Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com)
3120 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing.
3122 Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com>
3124 * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o.
3125 (gen{extract,peep,opinit,output}): Ditto.
3127 * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a
3128 global definition so print-rtl.o can be linked in.
3129 * gen{peep,recog}.c (insn_attr_name): Ditto.
3131 Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com>
3133 * fixincludes: discard empty C++ comments, as found in sys/time.h
3136 Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3138 * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant
3141 Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com)
3143 * emit-rtl.c (operand_subword): Rework slightly to avoid
3144 bogus warning from previous change.
3146 Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com>
3148 * alpha.md: Revert Oct 27 change, as it is superceeded by Kenner's
3149 Nov 8 find_replacement change. Move decls of get_unaligned_address
3150 * alpha.h: ... here.
3152 Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu>
3154 * function.c (assign_parms): Initialize unsignedp before passing
3155 its pointer to promote_mode.
3157 * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND.
3158 (write_test_expr): Allow MATCH_INSN.
3160 Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com>
3162 * install.texi: Update section on warnings that can be safely ignored.
3164 Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com>
3166 * mips.md (reload_outdi): Change the scratch mode from DImode to
3167 TImode. New variable scratch, used instead of operand[2] in template.
3168 Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P.
3170 Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com>
3172 * expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
3174 Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se>
3176 * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.
3178 Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com)
3180 * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
3181 (ASM_FINISH_DECLARE_OBJECT): Likewise.
3183 * Idea and part of the patch from HJ.
3184 * Makefile.in: auto-host.h renamed from auto-config.h. All references
3186 (distclean): Remove auto-build.h too.
3187 * configure.in: Rename host autoconf generated file to auto-host.h.
3188 If host != build, then run autoconf to generate auto-build.h for
3189 the build machine and include it in build_xm_files.
3190 Check for wait.h and sys/wait.h.
3192 * combine.c (simplify_rtx, case TRUNCATE): Respect value of
3193 TRULY_NOOP_TRUNCATION.
3195 Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com>
3197 * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop.
3199 Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com>
3201 * invoke.texi (ld options) Include memset requirements
3202 for options -nodstdlib and -nodefaultlibs.
3204 1998-04-12 Paul Eggert <eggert@twinsun.com>
3206 This change is from an idea suggested by Arthur David Olson.
3208 * c-common.c (decl_attributes, record_function_format,
3209 check_format_info, init_function_format_info):
3210 Add support for strftime format checking.
3211 (enum format_type): New type.
3212 (record_function_format): Now static, and takes value of type
3213 enum format_type instead of int.
3214 (time_char_table): New constant.
3215 (struct function_format_info): format_type member renamed from is_scan.
3216 (check_format_info): Use `warning' rather than sprintf followed by
3217 `warning', to avoid mishandling `%' in warnings.
3218 Change `pedwarn' to `warning', since these warnings do not necessarily
3219 mean the program does not conform to the C Standard, as the code
3220 need not be executed.
3222 * c-tree.h (record_function_format): Remove decl; no longer extern.
3224 * extend.texi: Add documentation for strftime format checking.
3226 Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com)
3228 * mips/ecoffl.h: Do not include mips.h.
3229 * mips/elf.h: Likewise.
3231 * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files.
3232 * mips/ecoff.h: Include "mips/mips.h".
3234 Sat Apr 11 22:42:54 PDT 1998 Jeff Law (law@cygnus.com)
3236 * version.c: Bump for snapshot.
3238 Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com)
3240 * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.
3241 (delete_trivially_dead_insns): Renamed from delete_dead_from_cse.
3242 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns
3243 between loop optimization passes.
3244 * rtl.h: Updated appropriately.
3246 Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com)
3248 Reinstall this patch from Jason.
3249 * function.c (push_function_context_to): Don't call init_emit.
3251 Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com>
3253 * rtl.c (read_skip_spaces): Prevent infinite loops upon
3254 encountering unterminated comments.
3256 Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com)
3258 * emit-rtl.c (operand_subword): Properly handle CONST_INTs for
3261 * configure.in: Handle --with-fast-fixincludes.
3262 (fixincludes): If --with-fast-fixincludes, then use a different
3263 fixincludes program by default.
3264 * Makefile.in (fixinc.sh): New rule.
3266 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
3268 * i386.md (movqi+1): Handle invalid QI register.
3269 (movsf_push-1): Likewise.
3271 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
3273 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
3275 symbolic_memort_operand(), call32_operand(), int8_operand(),
3276 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
3278 uint16_operand(): Made static.
3280 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
3282 * calls.c (expand_call): Fix typo.
3284 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
3286 * c-lex.c (finput): New global.
3287 (init_parse): Always included. Handle !USE_CPPLIB using
3288 code originally in compile_file.
3289 (finish_parse): Update for CPPLIB.
3290 * toplev.c (init_parse, finish_parse): Declare.
3291 (finput): Delete variable. Now in front-ends.
3292 (compile_file): Remove code which is now handled by init_parse
3293 which is unconditionally called. Similarly for finish_parse.
3295 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
3297 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
3298 ASM_WEAKEN_LABEL): Add.
3300 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
3302 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
3303 * configure.in (alpha-*-linux*): Use them.
3305 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3307 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
3308 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
3309 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
3310 (build_expr_wfl): New prototype declaration.
3311 * tree.c (build_expr_wfl): New function, to build
3312 EXPR_WITH_FILE_LOCATION nodes.
3313 (copy_node): Don't zero TREE_CHAIN if copying a
3314 EXPR_WITH_FILE_LOCATION node.
3315 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
3316 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
3318 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
3320 * configure.in (v850): Use t-v850.
3321 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
3323 * protoize.c (creat, read, write): Do not declare.
3325 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
3326 refer to the CODE_LABEL before a dispatch table.
3328 * invoke.texi: Add ARC options.
3330 * gcc.c (proces_command): Improve error message for -o with
3333 * i386/x-cygwin32 (CLIB): Link in advapi32.
3335 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
3336 (ASM_IDENTIFY_LANGUAGE): Likewise.
3338 * i386.md (movqi recognizer): Don't perfom byte increment into
3341 * configure.in (x86-dg-dgux): Run fixinc.dgux.
3343 * i370.h: Fix typo in GEN_INT changes.
3345 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
3346 of an empty arglist in prototype.
3348 * Makefile.in: Remove bytecode crud that crept back in after the
3351 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
3353 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
3354 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
3356 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
3358 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3360 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
3362 * c-lex.c (is_class_name): Delete declaration.
3363 (whitespace_cr): Make static and add prototype.
3364 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
3365 yylex, get_directive_line): Turn declarations into prototypes.
3366 (position_after_whitespace, check_newline, yyerror,, is_class_name,
3367 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
3369 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
3371 * gencodes.c (gen_insn): Add prototype.
3372 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
3373 gen_peephole): Add prototypes.
3374 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
3376 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
3377 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
3378 genheader, gencode): Add prototypes.
3379 * genopinit.c (gen_insn): Add prototype.
3380 * genoutput.c (output_prologue, output_epilogue, scan_operands,
3381 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
3382 gen_expand, gen_split, n_occurrences): Add prototypes.
3383 * genpeep.c (gen_peephole): Add prototype.
3384 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
3385 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
3386 labels_in_range_p, count_loop_regs_set, note_addr_stored,
3387 loop_reg_used_before_p, scan_loop, replace_call_address,
3388 skip_consec_insns, libcall_benefit, ignore_some_movables,
3389 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
3390 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
3391 check_final_value, record_giv, update_giv_derive, basic_induction_var,
3392 simplify_giv_expr, general_induction_var, consec_sets_giv,
3393 check_dbra_loop, express_from, combine_givs_p, combine_givs,
3394 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
3395 last_use_this_basic_block, record_initial, update_reg_last_use,
3396 iteration_info, analyze_loop_iterations, insert_bct,
3397 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
3400 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
3402 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3404 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
3406 * config/mips/mips.c (siginfo): Deleted.
3407 (override_options): Don't install SIGINFO signal handler.
3409 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
3411 * loop.c (check_dbra_loop): When normalize comparison_val, add check
3412 to verify it is non-negative.
3414 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
3416 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
3417 (alpha_expand_block_clear): Likewise.
3419 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
3421 * tree.h (sizetype_tab): Fix previous change for K&R.
3423 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
3425 * version.c: Bump for snapshot.
3427 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
3429 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
3430 Add USG and POSIX to xm_defines.
3432 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
3434 * gcc.c: Add linker spec.
3435 (link_command_spec): Use %(linker) instead of ld.
3436 (main): If collect2 is requested as the linker, see if it exists;
3437 if not, use ld instead.
3439 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
3441 (install-collect2): Install as collect2, not ld.
3443 * configure.in(will_use_collect2): It's named collect2 now.
3445 * collect2: Remove checks to see if we were invoked recursively.
3446 (collect_execute): Use _spawnvp under cygwin32.
3448 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
3450 * haifa-sched.c (build_control_flow): Set unreachable for block whose
3451 only predecessor is itself.
3453 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3455 * c-parse.in: Include system.h, and remove stuff now made redundant.
3458 * protoize.c: Likewise. Properly check for cpp stringification.
3460 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
3463 * objc/Make-lang.in (objc-parse.o): Likewise.
3465 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3467 * gansidecl.h: Check if compiler supports __attribute__. Provide
3468 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
3469 __attribute__ when its available. Also provide definitions for
3470 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
3471 terms of ATTRIBUTE_PRINTF.
3473 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
3476 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
3478 * combine.c (can_combine_p): Include successor in volatile test.
3480 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3482 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
3485 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
3487 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
3488 in prototype and definition.
3490 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
3492 * version.c: Bump for snapshot.
3494 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
3496 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
3497 alpha_expand_unaligned_store_words.
3499 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
3501 * i386.md (movsf_push, movsf_mem): Remove.
3502 (movsf_push): Rename from movsf_push_nomove and move in front of
3503 movsf. Use nonmemory_operand predicate and don't bother checking
3505 (movsf_push_memory): New pattern.
3506 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
3507 both operands refer to memory then force operand[1] into a register.
3508 (movsf_normal): Change to unnamed pattern.
3509 Likewise for movdf, movxf, and friends.
3511 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
3513 * version.c: Bump for snapshot.
3515 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
3517 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
3519 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
3521 * configure.in (mips-wrs-vxworks): New target.
3523 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
3525 * expmed.c (synth_mult): The value -1, has no zeros, so it can
3526 never have the form ...011.
3528 * version.c: Bump for snapshot.
3530 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
3532 * i386.c (asm_output_function_prefix, load_pic_register):
3533 Use ASM_GENERATE_INTERNAL_LABEL properly.
3534 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
3535 (print_operand): Ignore it.
3536 (load_pic_register): Use it for the got load call.
3537 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
3538 (prologue_get_pc_and_set_got): Likewise.
3539 * i386.h: Update print_operand docs.
3541 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
3543 * i386.md (ffssi, ffshi): Rewrite as define_expands.
3544 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
3545 * i386.c (notice_update_cc): Recognize unspec 5.
3547 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
3549 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
3550 * alpha.c (print_operand): Handle it.
3551 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
3553 (fix_truncdfdi2): Likewise.
3555 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
3557 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
3558 of these into a single struct, with additional [us]sizetype entries.
3559 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
3560 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
3563 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
3565 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
3567 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
3569 * haifa-sched.c (split_block_insns): Don't supress insn splitting
3570 on subsequent passes.
3572 * alpha.c (hard_fp_register_operand): New function.
3573 * alpha.h (PREDICATE_CODES): Add it.
3574 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
3575 f<-m case and accompanying define_split.
3576 (trapb): Use a unique unspec_volatile number.
3578 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
3580 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
3583 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
3585 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
3588 * haifa-sched.c: Mirror recent changes from gcc2.
3590 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
3592 * Makefile.in (insn*.o): Depend on system.h.
3594 * pa.c (output_global_address): Initialize base.
3595 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
3597 1998-04-03 Mike Stump <mrs@wrs.com>
3599 * gthr.h: Support systems that don't have weak, but have threads.
3600 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
3601 * gthr-vxworks.h: New file.
3602 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
3604 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
3606 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
3608 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
3610 * ginclude/va-i960.h (va_end): Change void * to void.
3612 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3614 * Makefile.in (choose-temp.o): Depend on system.h.
3616 * choose-temp.c: Include system.h when IN_GCC.
3618 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
3619 Richard Henderson <rth@cygnus.com>
3621 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
3622 (move_replacements): New function.
3623 * reload.h: Prototype it.
3625 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
3627 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
3629 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
3632 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
3633 (gen_highpart): Likewise.
3634 * final.c (alter_subreg): Allow the target to hook by-mode subreg
3635 hard register number changes.
3637 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
3639 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
3640 rnbitsize, rnmode and rinner.
3641 (make_range): Initialize type.
3642 (fold): Initialize arg0, arg1 and varop.
3644 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
3646 (expand_function_start): Initialize last_ptr.
3648 * stor-layout.c (layout_record): Initialize desired_align.
3649 (get_best_mode): Initialize unit.
3651 * tree.c (copy_node): Initialize length.
3653 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
3655 * caller-save.c (insert_save_restore): Initialize pat, code and
3658 * emit-rtl.c (push_to_sequence): Initialize top.
3659 (push_topmost_sequence): Likewise.
3661 * genattrtab.c (simplify_by_exploding): Initialize defval.
3663 * profile.c (branch_prob): Initialize dest.
3665 * rtl.h (note_stores): Remove duplicate prototype.
3666 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
3668 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
3669 strings that are not actually lengths.
3671 * genattrtab.c: Make generated file use system.h, instead of
3672 including stdio.h, etc directly.
3673 * genextract.c, genopinit.c, genoutput.c: Likewise.
3674 * genpeep.c, genrecog.c: Likewise
3676 * genoutput.c (process_template): Mark operands in the generated
3677 function as potentially unused if compiling with GNU CC.
3679 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
3681 * pa.md (reload peepholes): Remove unused variable "mode".
3683 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
3685 * config/arm/thumb.h: Add super interworking support.
3686 * config/arm/thumb.c: Add super interworking support.
3687 * config/arm/thumb.md: Add super interworking support.
3688 * config/arm/lib1funcs.asm: Add interworking support.
3689 * config/arm/lib1thumb.asm: Add super interworking support.
3690 * config/arm/t-semi: Add interworking support.
3691 * config/arm/t-thumb: Add interworking support.
3692 * config/arm/README-interworking: New file.
3694 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
3696 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
3697 (MD_STARTFILE_PREFIX): Unset.
3699 1998-04-01 Mark Mitchell <mmitchell@usa.net>
3701 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
3702 entity in a local scope.
3704 * fold-const.c (fold): Call truthvalue_conversion for values which
3705 are folded to boolean type.
3707 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
3709 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
3710 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
3711 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
3712 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
3713 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
3714 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
3715 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
3716 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
3717 * md.texi: Likewise.
3719 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
3721 * fixincludes (limits.h): Fix nested comments in Motorola's
3722 limits.h and sys/limits.h.
3724 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
3726 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
3727 as dest of expand_binop call.
3729 * alpha.md (extzv): Correct check for valid operand[2] values.
3731 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
3734 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
3736 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
3738 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
3739 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
3741 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
3742 cygwin32 can override this to allow both unix and win32 style PATHs.
3744 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
3745 style environment paths.
3747 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3749 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
3750 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
3751 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
3754 * cpphash.c: Include config.h.
3755 * cppalloc.c: Include system.h. Add parameters to various
3756 function prototypes.
3757 * cpperror.c: Likewise.
3758 * cppexp.c: Likewise.
3759 * cpphash.c: Likewise.
3760 * cpplib.c: Likewise.
3761 * cppmain.c: Likewise.
3762 * fix-header.c: Likewise.
3764 * gen-protos.c: Likewise.
3765 * gengenrtl.c: Likewise.
3766 * halfpic.c: Likewise.
3768 * scan-decls.c: Likewise.
3771 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
3773 * README.gnat: Add lang_print_xnode definition.
3775 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3777 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
3778 fmovecr on the 68060.
3780 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
3782 * genemit.c (DONE): Rework so that it works in the true arm if
3783 an if-else conditional.
3786 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
3788 * rs6000.c: Do not include stdioh or ctype.h anymore.
3790 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
3792 (stor-layout.o): Likewise.
3793 * c-typeck.c: Include rtl.h and expr.h.
3794 * stor-layout.c: Likewise.
3796 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
3797 All callers changed.
3798 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
3799 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
3800 All callers changed.
3802 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
3804 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
3806 * tree.h (lang_print_xnode): Provide prototype.
3808 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
3810 * version.c: Bump for snapshot.
3812 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
3814 * objc/sendmsg.c (__objc_block_forward): Add braces for return
3815 value if INVISIBLE_STRUCT_RETURN.
3817 * pa.c (arith_double_operand): Fix parens.
3819 * haifa-sched.c (print_pattern): Correct arg to sprintf.
3821 * Makefile.in (libgcc1.null): Make return type for __foo void.
3823 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
3825 * pa.h: Add declarations for many functions defined in pa.c.
3827 * genpeep.c (main): Remove unused variable 'i' from the generated
3830 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
3831 (gen_split): Likewise.
3832 (main): Rework generated definitions of DONE and FAIL so that they
3833 no longer use gotos. Avoids warnings about unused labels.
3835 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
3836 unused "junk" variable.
3838 * genattrtab.c (write_complex_function): Add a default case in
3839 generated switch statement to keep -W -Wall quiet.
3841 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
3843 * invoke.texi: Document more ARM and Thumb command line options.
3845 * config/arm/xm-thumb.h: New file.
3847 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
3849 * stmt.c (expand_expr_stmt): Must generate code for
3850 statements within an expression (gcc's `({ ... )}')
3851 even if -fsyntax-only.
3853 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3854 Jeffrey A Law (law@cygnus.com)
3856 * basic-block.h (basic_block_computed_jump_target): Declare.
3857 * flags.h: (current_function_has_computed_jump): Declare.
3858 * flow.c: (basic_block_computed_jump_target): Define.
3859 (flow_analysis): Allocate it. Set current_function_has_computed_jump
3861 (find_basic_blocks): Set current_function_has_computed_jump and
3862 elements of basic_block_computed_jump_target to 1 as appropriate.
3863 * function.c: (current_function_has_computed_jump): Define.
3864 * global.c (global_conflicts): Don't allocate pseudos into stack regs
3865 at the start of a block that is reachable by a computed jump.
3866 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
3868 (subst_stack_regs): Undo change from Sep 4 1997.
3869 (uses_reg_or_mem): Now unused, deleted.
3870 * stupid.c (stupid_life_analysis): Compute
3871 current_function_has_computed_jump.
3872 (stupid_find_reg): Don't allocate stack regs if the function has a
3874 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
3875 the current function has a computed jump. Use the global value
3878 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
3880 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
3881 (DWARF2_UNWIND_INFO): Define to zero.
3883 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
3885 * gcc.c (set_std_prefix): Add declaration.
3886 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
3887 suffix, and update the standard prefix prefix.c uses.
3889 * prefix.c (std_prefix): New global to hold default prefix value.
3890 (get_key_value): Change to use std_prefix instead of PREFIX.
3891 (translate_name): Ditto.
3892 (update_path): Ditto.
3893 (get_key_value): Release allocated scratch storage.
3894 (set_std_prefix): New function to reset the standard prefix.
3896 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3898 * sh.c (find_barrier): Fix calculations for alignment increase.
3900 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
3902 * Makefile.in (stmp-fixinc): If we're actually fixing include
3903 files, copy gcc's assert.h into the fixed include dir.
3904 * fixincludes (assert.h): Avoid any attempts to fix a probably
3905 broken system specific assert.h file.
3906 * fixproto (stdlib.h): Make sure, it'll contain a definition of
3909 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
3911 * regclass.c (reg_scan_mark_refs): Be more selective about
3912 when we mark a register with REGNO_POINTER_FLAG.
3914 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3916 reload inheritance improvement:
3917 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
3918 Change meaning: index is now hard reg number.
3919 (reg_reloaded_valid, reg_reloaded_dead): New variables.
3920 (reload_spill_index): Content is now a hard reg number.
3921 (reload_as_needed): Change to fit new variable meaning.
3922 (forget_old_reloads_1, allocate_reload_reg): Likewise.
3923 (choose_reload_regs, emit_reload_insns): Likewise.
3925 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3927 * regclass.c (record_reg_classes): '?' increases cost by two.
3929 * reload.c (find_reloads): Double previous costs. Output
3930 reloads cost one unit extra.
3932 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
3933 boiled down to && ! 0.
3935 * reload.c (find_equiv_reg): Also consider a goal offset from the
3936 frame pointer to be constant.
3938 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3940 * sh.h (OPTIMIZATION_OPTIONS): Define.
3942 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
3944 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
3946 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
3948 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
3950 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
3952 * c-common.c (check_format_info): Initialize type, is_type. New local
3953 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
3954 when pedantic if used with integral format specifier.
3956 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
3958 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
3960 (function_arg_padding): Declare.
3962 * rs6000.c: Include system.h.
3963 (function_arg_padding): Change return type to int, cast enum's to
3966 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
3967 * collect2.c (scan_prog_file): Add explicit braces to avoid
3970 * dbxout.c (dbxout_type_fields): Add braces around empty body in
3972 (dbxout_type): Likewise.
3974 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
3975 `ptt_size' from int to size_t.
3976 (rs6000_file_start): Likewise for `i'.
3977 (rs6000_replace_regno): Add default case in enumeration switch.
3978 (output_epilog): Remove unused variable `i'.
3979 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
3982 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
3984 (get_issue_rate, non_logical_cint_operand): Add prototype.
3985 (rs6000_output_load_toc_table): Ditto.
3987 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
3990 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
3992 * config/arm/thumb.c: New File. Support for ARM's Thumb
3994 * config/arm/thumb.h: New File. Thumb definitions.
3995 * config/arm/thumb.md: New File. Thumb machine description.
3996 * config/arm/tcoff.h: New File. Thumb COFF support.
3997 * config/arm/t-thumb: New File. Thumb makefile fragment.
3998 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
4000 * configure.in: Add Thumb-coff target.
4001 * configure: Add Thumb-coff target.
4002 * config.sub: Add Thumb-coff target.
4004 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
4006 * loop.c (scan_loop): Initialize move_insn_first to zero.
4008 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
4010 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
4011 * config/i386/rtems.h: Likewise.
4012 * config/i960/rtems.h: Likewise.
4013 * config/m68k/rtems.h: Likewise.
4014 * config/mips/rtems64.h: Likewise.
4015 * config/pa/rtems.h: Likewise.
4016 * config/rs6000/rtems.h: Likewise.
4017 * config/sh/rtems.h: Likewise.
4018 * config/sparc/rtems.h: Likewise.
4020 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4022 * pa.c (emit_move_sequence): If in reload, call find_replacement.
4024 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
4026 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
4028 * collect2.c (find_a_file): Add debugging.
4029 (find_a_file): Test for win32 style absolute paths if
4030 DIR_SERPARATOR is defined.
4031 (prefix_from_string): Add debugging.
4032 (main): Test for debug command line switch at start of program
4034 (main): Use GET_ENVIRONMENT rather than getenv().
4035 (prefix_from_env): Use GET_ENVIRONMENT.
4037 1998-03-24 Mark Mitchell <mmitchell@usa.net>
4039 * cplus-dem.c (optable): Add sizeof.
4040 (demangle_template_value_parm): New function containing code
4041 previously found in demangle_template.
4042 (demangle_integral_value): New function which handles complicated
4043 integral expressions.
4044 (demangle_template): Use them.
4046 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4048 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
4049 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
4050 genattrtab.o, genoutput.o): Depend on system.h.
4052 * genattr.c: Include system.h. Add arguments to various function
4053 prototypes. Remove redundant prototype of read_rtx().
4054 * genattrtab.c: Likewise.
4055 * gencodes.c: Likewise.
4056 * genconfig.c: Likewise.
4057 * genemit.c: Likewise.
4058 * genextract.c: Likewise.
4059 * genflags.c: Likewise.
4060 * genopinit.c: Likewise.
4061 * genoutput.c: Likewise.
4062 * genpeep.c: Likewise.
4063 * genrecog.c: Likewise.
4065 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
4067 * c-lang.c (lang_print_xnode): New function.
4068 * objc/objc-act.c (lang_print_xnode): Likewise.
4069 * print-tree.c (print_node): Call it
4071 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
4073 * c-parse.in: Recognize protocol qualifiers in class
4074 definitions for objc.
4076 (yyerror): Remove redundant decl.
4077 (yyprint): Fix prototype.
4079 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
4081 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
4083 * stmt.c (unroll_block_trees): Free block_vector if needed.
4085 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
4087 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
4088 (zero_extendsidi2): Avoid useless copy.
4089 (iordi_zext): New pattern.
4090 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
4092 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
4094 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
4095 (ashldi3): Allow constant shift count in range ]32,63].
4096 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
4098 1998-03-22 Mark Mitchell <mmitchell@usa.net>
4100 * tree.h (IS_EXPR_CODE_CLASS): New macro.
4102 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
4104 * h8300.h (CONST_COSTS): Remove definition.
4105 (DEFAULT_RTX_COSTS): Define.
4107 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
4109 * config/sh/rtems.h: Switched from ELF to COFF.
4111 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4113 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
4115 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
4117 * version.c: Bump for snapshot.
4119 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
4120 Geoff Noer <noer@cygnus.com>
4122 * Makefile.in: Various fixes for building cygwin32 native toolchains.
4124 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
4125 * objc/Make-lang.in: Likewise.
4127 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
4129 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
4131 * configure.in: Handle with-PACKAGE=no correctly
4133 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4135 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
4136 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
4137 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
4138 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
4139 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
4140 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
4141 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
4142 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
4143 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
4144 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
4147 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
4148 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
4149 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
4150 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
4151 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
4152 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
4153 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
4154 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
4155 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
4156 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
4157 xcoffout.c: Include system.h. Organize include ordering so
4158 that stdarg/varargs comes before other system headers. Remove
4159 spurious casts of functions assured of a prototype in system.h.
4161 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
4163 * reg-stack.c (pop_stack): Define. Pops any register on the
4164 regstack and adjusts regstack.
4165 (compare_for_stack_reg): Use pop_stack.
4167 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
4169 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
4172 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
4174 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
4176 * fold-const.c (fold): Replace sign-extension of a zero extended
4177 value by a single zero extension.
4179 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
4181 * except.c (init_eh): Do nothing.
4182 (save_eh_status): Call init_eh_for_function, not init_eh.
4183 * function.c (push_function_context_to): Don't call init_emit.
4185 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
4187 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
4190 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4192 * final.c (shorten_branches): Add parentheses around +/- in
4195 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
4197 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
4199 * regclass.c (memory_move_secondary_cost): Wrap uses of
4200 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
4203 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
4205 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
4207 * flow.c (life_analysis): #include <sys/types.h> to make sure
4209 * cplus-dem.c (demangle_function_name): Likewise.
4211 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
4213 * final.c (insn_noperands): Change type to unsigned int.
4214 (final_scan_insn): Likewise for noperands;
4215 properly check operand number boundaries.
4217 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
4219 * alpha.md (extzv): Don't reject register operands. Fix
4222 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
4224 * dbxout.c (dbxout_function_end): Fix last change. The correct
4225 predicate is ASM_OUTPUT_SECTION_NAME.
4227 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
4229 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
4230 (ashlsi): Use match_dup 1 instead of match_operand 2.
4232 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4234 * fold-const.c (operand_equal_for_comparison_p): See if equal
4235 when nop conversions are removed.
4237 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4239 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
4240 don't use ORIGINAL_TARGET unless REG.
4242 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4244 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
4246 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
4248 * loop.c (struct movable): New field move_insn_first.
4249 (scan_loop): In consec sets code, set it. Clear it otherwise.
4250 (move_movables): In consec sets code, use it. Copy REG_NOTES from
4251 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
4254 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
4256 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
4257 is large, and the system doesn't provide atoll or atoq.
4260 * alpha/xm-vms.h (HAVE_ATOLL): Define.
4261 Reported by Klaus Kaempf <kkaempf@progis.de>.
4263 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4265 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
4266 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
4268 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
4269 test !ACCUMULATE_OUTGOING_ARGS.
4271 * collect2.c (write_c_file_glob): Wrap function definition in
4272 macro test !LD_INIT_SWITCH.
4274 * combine.c (try_combine): Wrap variables `cc_use' and
4275 `compare_mode' in macro test EXTRA_CC_MODES.
4277 * cpplib.c (do_ident): Remove unused variable `len'.
4278 (skip_if_group): Remove unused variables `at_beg_of_line' and
4280 (cpp_get_token): Remove unused variable `dummy'.
4282 * dbxout.c (scope_labelno): Move static variable definition inside
4283 the one function scope where it is used.
4284 (dbxout_function_end): Wrap prototype and definition in
4285 macro test !NO_DBX_FUNCTION_END.
4287 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
4288 in macro test !MIPS_DEBUGGING_INFO.
4290 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
4291 into the scope where it is used. Wrap empty else-statement body
4294 * fix-header.c: Fix typo in comment.
4295 (inf_skip_spaces): Cast results of INF_UNGET to (void).
4296 (check_protection, main): Likewise.
4298 * flow.c (find_basic_blocks_1): Remove dangling comment text.
4300 * function.c (contains): Wrap prototype and definition in macro
4301 test HAVE_prologue || HAVE_epilogue.
4302 (fixup_var_refs_1): Remove unused variable `width'.
4304 * gen-protos.c (main): Remove unused variable `optr'.
4306 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
4308 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
4309 (__sjpopnthrow): Remove unused variable `jmpbuf'.
4310 (__throw): Remove unused variable `val'.
4312 * protoize.c: Check for a previously existing definition before
4313 defining *_OK macros.
4315 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
4317 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4319 * vax.h (ADDR_VEC_ALIGN): Define.
4321 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
4323 * gcc.c (default_arg): Don't wander off the end of allocated
4326 (From Geoffrey Keating <geoffk@ozemail.com.au>)
4327 * rs6000.c (small_data_operand): Ensure that any address
4328 referenced relative to the small data area is inside the SDA.
4330 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
4332 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
4334 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4336 * except.h (in_same_eh_region): New prototype.
4337 (free_insn_eh_region, init_insn_eh_region): New prototypes.
4338 * except.c (insn_eh_region, maximum_uid): New static variables.
4339 (set_insn_eh_region): New static function to set region numbers.
4340 (free_insn_eh_region): New function to free EH region table.
4341 (init_insn_eh_region): New function to initialize EH region table.
4342 (in_same_eh_region): New function used to determine if two rtl
4343 instructions are in the same exception region or not.
4344 * final.c (final): Initialize the table indicating which instructions
4345 belong in which exception region.
4346 * genpeep.c (main): Add "except.h" to include file list in generated
4348 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
4349 peepholes involving calls and unconditional branches.
4351 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
4353 * README.gnat: New file.
4355 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4357 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
4358 "recog.h" for offsettable_memref_p.
4359 (legitimize_pic_address): Remove unused variable `offset'.
4360 (notice_update_cc): Change return type to void. Add default label
4362 (standard_68881_constant_p): Remove unused variable mode.
4363 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
4364 (const_int_cost): Explicitly declare as returning int.
4365 (output_dbcc_and_branch): Change return type to void.
4367 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
4368 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
4369 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
4371 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
4373 * version.c: Bump for snapshot.
4375 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4377 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
4378 check for 'M' constraint.
4380 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
4382 * cccp.c (create_definition): If pedantic, call pedwarn for macro
4385 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4387 * i386.c (ix86_logical_operator): New function.
4388 (split_di): Ensure that when a MEM is split, the resulting MEMs have
4390 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
4393 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4394 Richard Earnshaw <rearnsha@arm.com>
4395 Nick Clifton <nickc@cygnus.com>
4397 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
4399 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
4401 * cse.c (rtx_cost): Provide a default case in an enumeration
4402 switch, and call DEFAULT_RTX_COSTS if it's defined.
4404 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
4406 * basic-block.h (compute_preds_succs): Change return type in
4408 * flow.c (compute_preds_succs): Likewise in function definition.
4410 * regmove.c (find_matches): Cast char used as array index to unsigned char
4413 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
4415 * i386.h (RTX_COSTS): Insert braces around nested if.
4416 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
4419 * gcc.c (default_compilers): Properly put brackets around array elements in
4422 * getopt.c (_getopt_internal): Add explicit braces around nested if;
4425 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
4426 (record_reg_life_pat): Add explicit parens around && and || in expression.
4427 (stack_reg_life_analysis): Add parens around assignment used as expression.
4428 (convert_regs): Likewise.
4430 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
4432 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
4433 change callers accordingly.
4435 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
4436 and definition; change all callers accordingly.
4438 * except.c (init_eh): Avoid assignment of unused return value of
4439 build_pointer_type; cast it to void, instead, and remove unused
4442 * gcc.c (lang_specific_driver): Define prototype only #ifdef
4443 LANG_SPECIFIC_DRIVER.
4444 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
4446 * genoutput.c (output_epilogue): Initialize next_name to 0.
4448 * real.c (efrexp): #if 0 prototype and function definition.
4449 (eremain): Likewise.
4456 * reload.c (push_secondary_reload): Define prototype only
4457 #ifdef HAVE_SECONDARY_RELOADS.
4459 * varasm.c (assemble_static_space): Define rounded only
4460 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
4462 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
4464 * i386.md (andsi): Add default case in enumeration switch.
4469 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
4471 * c-decl (finish_struct): Change type of min_align to unsigned.
4473 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
4474 remove unused variable len.
4476 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
4477 comment indicating this is proper behaviour.
4478 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
4480 (based_loc_descr): Likewise.
4482 * enquire.c (bitpattern): Change type of variable i to unsigned.
4484 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
4486 * flow.c (life_analysis): Change type of variable i to size_t;
4487 remove unused variable insn.
4489 * gcc.c (translate_options): Change type of variables optlen, arglen and
4491 (input_filename_length): Change type to size_t.
4492 (do_spec_1): Change type of variable bufsize to size_t.
4493 (main): Change type of variables i and j to size_t;
4494 remove subblock local definition of variable i.
4495 (lookup_compiler): Change type of second argument to size_t;
4496 change type of variable i to size_t.
4498 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
4500 * genopinit.c (get_insn): Change type of variable pindex to size_t.
4502 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
4504 * global.c (global_alloc): Change type of variable i to size_t.
4506 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
4508 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
4509 (expand_end_case): Change type of variable count to size_t.
4511 * toplev.c (main): Change type of variable j to size_t.
4512 (set_target_switch): Change type of variable j to size_t.
4513 (print_switch_values): Change type of variable j to size_t;
4514 remove unused variable flags.
4516 * varasm.c (assemble_variable): Change type of variable align to size_t.
4517 (const_hash_rtx): Change type of variable i to size_t.
4519 1998-03-11 Mark Mitchell <mmitchell@usa.net>
4521 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
4522 TREE_VEC if that's what it really is.
4524 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
4526 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
4529 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
4531 * gthr.h: Changed the comment about return values.
4532 * gthr-solaris.h (__gthread_once): Do not use errno; return the
4533 error number instead of -1.
4534 (__gthread_key_create): Any non-zero return value is an error.
4535 * libgcc2.c (eh_context_initialize): Check for non-zero return
4536 value from __gthread_once.
4537 Check that the value of get_eh_context was really changed.
4539 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4541 * sh.h (LOOP_ALIGN): Only align when optimizing.
4542 * sh.c (find_barrier): Clear inc for CODE_LABELs.
4543 When not optimizing, calculate alignment for BARRIERs directly.
4545 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4547 * final.c (shorten_branches): Remove conditionalizing on
4548 SHORTEN_WITH_ADJUST_INSN_LENGTH
4549 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
4551 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
4553 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
4554 an unconditional jump around deleted blocks.
4556 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
4558 * profile.c (branch_prob): If see computed goto, call fatal instead of
4561 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
4563 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
4564 Patch from Bruno Haible.
4566 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
4567 (assign_parms): Set aggregate if hide_last_arg and last_named.
4569 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4571 * final.c (shorten_branches): Initialize insn_addresses.
4573 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4575 * sh.h (MUST_PASS_IN_STACK): Define.
4577 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
4579 * final.c (shorten_branches): Fix minor logic error in
4580 ADDR_DIFF_VEC shortening support.
4582 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
4584 * version.c: Bump for snapshot.
4586 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
4588 * haifa-sched.c (is_cfg_nonregular): Change return type to
4589 an int. No longer compute "estimated" number of edges. Use
4590 computed_jump_p instead of duplicating the code. Fixup/add
4592 (build_control_flow): Returns a value indicating an irregularity
4593 in the cfg was detected. Count the number of edges in the cfg.
4594 allocate various edge tables.
4595 (find_rgns): No longer look for unreachable blocks.
4596 (schedule_insns): Do not allocate memory for edge tables here.
4597 Free memory for edge tables before returning. Do not perform
4598 cross block scheduling if build_control_flow returns nonzero.
4599 * flow.c (compute_preds_succs): More accurately determine when
4602 * basic-block.h (free_basic_block_vargs): Provide prototype.
4604 * cccp.c (main): Fix dumb mistakes in last change.
4606 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4608 * rtl.h (addr_diff_vec_flags): New typedef.
4609 (union rtunion_def): New member rt_addr_diff_vec_flags.
4610 (ADDR_DIFF_VEC_FLAGS): New macro.
4612 * sh.c (output_branch): Fix offset overflow problems.
4614 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
4615 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
4616 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
4617 * stmt.c (expand_end_case): Supply new arguments to
4618 gen_rtx_ADDR_DIFF_VEC.
4619 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
4620 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
4621 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
4622 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
4623 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
4624 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
4625 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
4626 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
4627 * i386/freebsd.h, i386/linux.h : Likewise.
4628 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
4629 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
4630 * m68k/mot3300.h, m68k/sgs.h : Likewise.
4631 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
4632 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
4633 (CASE_VECTOR_SHORTEN_MODE): Define.
4634 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
4635 (med_branch_p, braf_branch_p): Don't declare.
4636 (mdep_reorg_phase, barrier_align): Declare.
4637 (ADJUST_INSN_LENGTH): Remove alignment handling.
4638 * sh.c (uid_align, uid_align_max): Deleted.
4639 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
4640 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
4641 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
4642 (output_far_jump): Don't use braf_branch_p.
4643 (output_branchy_insn): Don't use branch_offset.
4644 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
4645 Remove paired barrier stuff.
4646 Don't use cache_align_p.
4647 Take alignment insns into account.
4648 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
4650 (barrier_align, branch_dest): New function.
4651 (machine_dependent_reorg, split_branches): Remove infrastructure
4652 for branch shortening that is now provided in the backend.
4653 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
4654 (braf_branch_p, braf_cbranch_p): Likewise.
4655 (attribute length): Use new attributes.
4656 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
4657 (addr_diff_vec_adjust): Delete.
4658 (align_2): Now a define_expand.
4659 (align_log): Now length 0.
4661 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
4663 * m32r.md (right): Correctly check for length == 2, not 1.
4665 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4667 * mips/mips.h: Prototype `machine_dependent_reorg'.
4668 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
4670 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
4672 * final.c (shorten_branches): Restore accidentally removed code.
4674 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4676 * configure.in: Remove duplicate uses of AC_PROG_CC and
4679 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
4681 * configure.in (target_cpu_default2): Correct typo for alphapca56.
4683 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
4684 Doug Evans (devans@cygnus.com)
4686 * haifa-sched.c (build_jmp_edges): Delete dead function.
4687 (build_control_flow): Use cfg routines from flow.c
4688 (schedule_insns): Remove debugging code accidentally checked
4691 * basic-block.h: Add external integer list structures, typdefs,
4692 accessor macros and function declarations. Simlarly for
4693 basic block pred/succ support and simple bitmap stuff.
4694 * flow.c: Add functions for integer list, basic block pred/succ
4695 support and simple bitmap support.
4696 (compute_dominators): New function to compute dominators and
4698 (find_basic_blocks): Split into two functions.
4699 (life_analysis): Likewise.
4700 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
4701 the life_analysis from toplev.c
4702 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
4703 life_analysis instead of flow_analysis.
4705 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4707 * jump.c (jump_optimize): Call mark_jump_label also for deleted
4709 (mark_jump_label): Don't increment ref counts for deleted insns.
4711 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4713 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
4715 * mips/mips.c: Include stdlib.h and unistd.h.
4716 (mips_asm_file_end): Add braces around empty body in an if-statement.
4717 (function_prologue): Wrap variable `fnname' in
4718 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
4719 (mips_select_rtx_section, mips_select_section): Declare as void.
4721 * mips/mips.h: Add prototypes for extern functions in mips.c.
4722 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
4723 (ENCODE_SECTION_INFO): Add braces around empty body in an
4726 * mips/mips.md (movdi): Add parentheses around && within ||.
4727 (movsf, movdf): Likewise.
4728 (branch_zero, branch_zero_di): Add default case in
4732 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
4734 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
4735 real constants, since they can't be changed.
4736 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
4737 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
4738 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
4739 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
4740 * alpha/vms.h (TARGET_OPEN_VMS): New.
4741 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
4743 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
4745 * reload.c (find_reloads): Always force (subreg (mem)) to be
4746 reloaded if WORD_REGISTER_OPERATIONS.
4748 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
4750 * haifa-sched.c (free_list): Rename from free_pnd_lst.
4751 (free_pending_lists): Rename free_pnd_lst uses.
4752 (remove_dependence): Place expunged element on unused_insn_list.
4753 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
4754 gen_rtx_*_LIST and alloc_rtx to use them.
4755 (compute_block_backward_dependences): Free the reg_last_* lists.
4757 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
4759 * cccp.c (main): Avoid undefined behavior when setting pend_includes
4762 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
4764 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
4765 USE_GNULIBC_1 is defined
4766 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
4767 includes the t-linux-gnulibc1 fragment
4769 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
4771 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
4773 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4775 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
4777 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4779 * final.c (shorten_branches): Tag the loop alignment onto the
4780 first label after NOTE_INSN_LOOP_BEG even if there is an
4783 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4785 * final.c (insn_current_reference_address):
4786 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
4787 proper alignment chain.
4789 * final.c (max_labelno): New static variable.
4790 (final_scan_insn): Check max_labelno before outputting an
4791 alignment for a label.
4792 (shorten_branches): Remove unused variable length_align.
4794 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4796 * sparc.c (ultrasparc_adjust_cost): Add default case in
4799 * sparc.h: Add prototypes for extern functions defined in
4802 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
4804 * toplev.c: Only generate <name>.dbr file when dumping RTL if
4805 DEALY_SLOTS is defined.
4807 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
4809 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
4810 in call to fill_slots_from_thread.
4812 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
4814 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
4815 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
4817 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4819 * final.c (insn_last_address, insn_current_align, uid_align):
4821 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
4822 (insn_current_reference_address): Likewise.
4823 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
4824 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
4825 (label_to_alignment): New function.
4826 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
4827 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
4828 insn_current_reference_address instead of insn_current_address.
4829 (or_attr_value, write_length_unit_log): New functions.
4830 (main): Call write_length_unit_log.
4831 (write_const_num_delay_slots): Output extra '\n'.
4832 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
4834 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
4835 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
4836 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
4838 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
4839 (LABEL_ALIGN_AFTER_BARRIER).
4840 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
4841 * ns32k/tek6000.h: Likewise.
4842 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
4843 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
4844 ASM_OUTPUT_ALIGN_CODE.
4846 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
4848 * version.c: Bump for snapshot.
4850 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
4852 * version.c: Bump for snapshot.
4854 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
4856 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
4857 if condition code of jump conflicts with opposite_needed.
4859 * reorg.c (fill_slots_from_thread): Mark resources referenced in
4860 opposite_needed thread. Return delay_list even when cannot get
4861 any more delay insns from end of subroutine.
4863 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
4865 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
4866 All callers changed.
4868 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4870 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
4871 end_fde_sort): New functions for fast sorting of an FDE array.
4872 (fde_insert): Simplified.
4873 (add_fdes): Change argument list.
4874 (frame_init): Use the new functions.
4876 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
4878 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
4880 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
4882 * fold-const.c (fold_range_test): Always return a value.
4884 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
4886 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
4887 data in the text section unless READONLY_DATA_SECTION is defined.
4889 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
4891 * c-parse.in (undeclared variable error): Tweak error message to
4894 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
4896 * version.c: Bump for snapshot.
4898 1998-02-28 Mark Mitchell <mmitchell@usa.net>
4900 * final.c (final_scan_insn): Undo overzealous removal of `set'.
4902 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4904 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
4905 case, add parentheses to specify the proper order of precedence in
4909 * c-aux-info.c: Include string.h/strings.h.
4911 * pa.c: Include stdlib.h.
4912 (pa_combine_instructions): Prototype the function.
4913 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
4914 (reloc_needed): Add default case for enumeration switch.
4915 (remove_useless_addtr_insns): Remove unused variable `all'.
4916 (hppa_expand_prologue): Add explicit braces to avoid
4918 (output_function_epilogue): Remove unused variable `i'.
4919 (output_millicode_call): Remove unused variable `link'.
4920 (shadd_constant_p, forward_branch_p): Make the function static.
4921 (following_call): Explicitly declare to return int.
4922 (pa_reorg): Declare as void.
4923 (pa_combine_instructions): Declare as static void. Add
4924 parentheses around && within ||.
4926 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
4927 following_call, function_label_operand, lhs_lshift_cint_operand
4930 * pa.md: Add parentheses around && within ||.
4932 * cppalloc.c: Include stdlib.h.
4934 * cpperror.c (cpp_print_containing_files): Remove unused variable
4935 `i'. Fix format specifier in fprintf.
4937 * cse.c (cse_around_loop): Add explicit braces to avoid
4939 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
4941 * expr.c (expand_expr): Add parentheses around && within ||.
4943 * final.c (app_enable): Replace fprintf with fputs where there are
4944 no format specifiers and no trailing argument after the string.
4945 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
4946 (app_disable): Likewise.
4947 (final_end_function): Likewise.
4948 (final_scan_insn): Likewise. Remove unused variable `set'.
4949 (profile_function): Wrap empty if-statement body in {} brackets.
4951 * function.c: Include stdlib.h.
4952 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
4953 (reposition_prologue_and_epilogue_notes): Add parentheses
4954 around assignment used as truth value.
4956 * integrate.c (expand_inline_function): Wrap variable
4957 `cc0_insn' in macro HAVE_cc0.
4959 * jump.c (jump_optimize): Wrap variable `q' in macro
4960 HAVE_cc0. Remove unused variable `prev1'.
4962 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
4963 within ||. Fix format specifier in fprintf.
4964 (__bb_init_prg): Add parentheses around assignment used as
4967 * local-alloc.c: Include stdlib.h.
4968 (requires_inout): Add parentheses around assignment used
4971 * loop.c (analyze_loop_iterations): Wrap prototype and definition
4972 in macro HAVE_decrement_and_branch_on_count.
4973 (insert_bct, instrument_loop_bct): Likewise.
4974 (move_movables): Add parentheses around assignment used as
4976 (consec_sets_invariant_p): Likewise.
4977 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
4979 * objc/objc-act.c: Include stdlib.h.
4980 (lookup_method_in_protocol_list): Wrap empty else-statement body
4982 (lookup_protocol_in_reflist): Likewise.
4983 (objc_add_static_instance): Remove unused variables `decl_expr'
4985 (get_objc_string_decl): Remove unused variable `decl'.
4986 (generate_static_references): Remove unused variables `idecl' and
4988 (check_protocols): Wrap empty else-statement body in braces.
4990 * protoize.c: Include stdlib.h.
4991 (substr): Add parentheses around assignment used as truth value.
4992 (abspath): Likewise.
4993 (shortpath): Likewise.
4995 * regmove.c (fixup_match_1): Add parentheses around assignment
4996 used as truth value.
4998 * reload.c (push_secondary_reload): Remove unused variable `i'.
4999 (find_reloads): Add parentheses around assignment used as truth
5002 * reload1.c: Include stdlib.h.
5004 * rtl.h: Correct typo in prototype of offsettable_memref_p.
5006 * stmt.c (add_case_node): Add parentheses around assignment used
5008 (case_tree2list): Likewise.
5010 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
5011 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
5012 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
5013 (merge_attributes): Add explicit braces to avoid ambiguous
5016 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
5019 * varasm.c: Include stdlib.h.
5022 * system.h: Remove sys/stat.h.
5023 * gcc.c: Add sys/stat.h.
5025 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
5026 * genattrtab.c: Likewise.
5027 * genconfig.c: Likewise.
5028 * genemit.c: Likewise.
5029 * genextract.c: Likewise.
5030 * genflags.c: Likewise.
5031 * genopinit.c: Likewise.
5032 * genoutput.c: Likewise.
5033 * genpeep.c: Likewise.
5034 * genrecog.c: Likewise.
5035 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
5037 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5039 * invoke.texi: Use @itemx for a secondary item in a @table.
5041 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
5044 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
5046 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
5048 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
5050 * i386.c (struct machine_function): Add new fields for PIC stuff.
5051 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
5053 (restore_386_machine_status): Corresponding changes.
5054 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
5056 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
5058 * c-parse.y (undeclared variable error): Tweak error message
5061 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
5063 * flags.h (g_switch_value, g_switch_set): Declare.
5064 * alpha.c (override_options): Set g_switch_value=8 if not set.
5065 * alpha/elf.h (CC1_SPEC): New.
5067 (LINK_SPEC): Pass along the -G value we were given.
5068 (LOCAL_ASM_OP): Remove.
5069 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
5070 (MAX_OFILE_ALIGNMENT): New.
5071 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
5072 (EXTRA_SECTIONS): Add sbss and sdata.
5073 (SECTION_FUNCTION_TEMPLATE): New.
5074 (EXTRA_SECTION_FUNCTIONS): Use it.
5075 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
5076 (SELECT_SECTION): Use sdata when small enough.
5077 * alpha/linux.h (ASM_SPEC): Remove.
5080 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5081 * config.sub (sco5): Fix typo.
5083 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
5085 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
5087 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
5088 * config/alpha/t-linux: Remove file.
5089 * config/sparc/t-linux: Remove file.
5090 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
5091 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
5092 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
5094 (alpha*-*-linux-gnu*): Likewise.
5095 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
5096 (sparc-*-linux-gnu*): Likewise.
5098 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
5099 * collect2.c (ldd_file_name): Bracket declaration with same
5101 (full_real_ld_suffix): Deleted. Variable was calloced and
5102 written into, but never read.
5104 1998-02-23 Mike Stump <mrs@wrs.com>
5106 * configure.in: Add support for i386-wrs-vxworks configuration.
5107 * i386/vxi386.h: New file.
5109 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5111 * tree.c (contains_placeholder_p): Ensure function always returns
5113 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
5114 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
5116 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
5118 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
5120 1998-02-22 Paul Eggert <eggert@twinsun.com>
5122 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
5123 Define this new symbol.
5124 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
5125 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
5126 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
5128 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
5130 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
5131 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
5133 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
5135 * objc/Object.m (-error): Call objc_verror with our va_list.
5137 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5139 * collect2.c (scan_prog_file): Completely cover uses of variable
5140 `exports' with macro COLLECT_EXPORT_LIST.
5142 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
5144 * version.c: Bump for snapshot.
5146 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
5148 * sched.c (schedule_block): Remove code to get arguments from hard
5149 regs into pseudos early. Same as Aug 25, 1997 change to
5152 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
5154 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
5156 1998-02-16 Mark Mitchell <mmitchell@usa.net>
5158 * toplev.c (rest_of_compilation): Do not defer the output of a
5161 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
5163 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
5164 continuation character (line 243).
5166 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5168 * genrecog.c (main): Remove duplicated sentence in emitted comment.
5170 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
5171 David Edelsohn <edelsohn@mhpcc.edu>
5173 * collect2.c (XCOFF_SCAN_LIBS): Remove.
5174 (export_flag): New variable.
5175 (export_file): #ifdef COLLECT_EXPORT_LIST.
5176 (import_file, exports, imports, undefined): New variables.
5177 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
5178 (dump_list, dump_prefix_list, is_in_list): New functions.
5179 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
5180 (write_import_file, resolve_lib_name): New functions.
5181 (use_import_list, ignore_library): Same.
5182 (collect_exit): maybe_unlink import_file and #ifdef.
5184 (main): New variable importf, #ifdef exportf. Move parsing of
5185 -shared before general argument parsing. Resolve AIX library
5186 paths and import libgcc.a symbols. Treat .so shared libraries the
5187 same as objects and .a libraries. Create alias for object_lst and
5188 increment it instead of original pointer. Scan AIX libraries as
5189 objects earlier instead of using scan_libraries. Perform AIX
5190 tlink later to resolve templates instead of forking ld.
5191 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
5192 (GCC_UNDEF_SYMBOL): New macro.
5193 (scan_prog_file): Loop for members of AIX libraries. Handle
5194 export/import of ctors/dtors.
5195 (aix_std_libs): New variable.
5196 (scan_libraries, XCOFF): Delete.
5198 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
5200 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
5202 1998-02-19 Mike Stump <mrs@wrs.com>
5204 * Makefile.in: Use $tooldir for sys-include to match toplevel
5207 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
5208 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5210 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
5212 * emit-rtl.c (hard-reg-set.h): Include.
5213 (get_lowpart_common): Don't make new REG for hard reg in a
5214 class that cannot change size.
5215 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
5217 * combine.c: Revert previous patch.
5219 1998-02-19 Paul Eggert <eggert@twinsun.com>
5221 * config/sparc/sol2-sld.h: New file.
5222 * configure.in (sparc-*-solaris2*): Use it when using the
5225 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
5227 * loop.c (force_movables): Fix typo.
5229 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
5231 * m88k.h: Change file pattern to match reality.
5233 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
5235 * varasm.c (output_constant_pool): Fix dumb thinko in last
5238 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
5239 a function name to a section name.
5241 1998-02-18 Doug Evans <devans@cygnus.com>
5243 * tree.h (merge_machine_{type,decl}_attributes): Declare.
5244 (split_specs_attrs, strip_attrs): Add prototypes.
5245 * tree.c (merge_machine_{type,decl}_attributes): New functions.
5246 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
5247 Update olddecl's attributes too.
5248 * c-common.c (strip_attrs): New function.
5249 * c-typeck.c (common_type): Call merge_machine_type_attributes.
5250 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
5251 (make_decl_rtl): Likewise.
5253 1998-02-18 Jim Wilson <wilson@cygnus.com>
5255 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
5257 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
5259 Remove this change until we can fix it correctly.
5260 * collect2.c: Bracket declaration of 'exportf' and
5261 'full_real_ld_suffix'.
5263 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
5265 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
5267 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
5269 * c-common.c (c_expand_start_cond, c_expand_end_cond,
5270 c_expand_start_else): Don't warn about non-ambiguous else even if
5273 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
5275 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
5276 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
5279 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
5281 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
5282 simplifying a subreg of a hard reg.
5283 (expand_compound_operation): Likewise.
5284 (force_to_mode): Likewise.
5286 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5288 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
5289 (lshift_double): Add parentheses around + or - inside shift.
5290 (rshift_double): Likewise.
5291 (size_int_wide): Explicitly set type of `bit_p' to `int'.
5293 * Makefile.in (fold-const.o): Depend on system.h.
5295 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
5298 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
5299 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
5300 (sched_note_set): Remove unused parameter `b', all callers changed.
5301 (schedule_block): Likewise for `rgn'.
5302 (split_hard_reg_notes): Likewise for `orig_insn'.
5303 (check_live): Likewise for `trg'.
5304 (update_live): Likewise.
5305 (check_live_1): Explcitly declare variable `i' as int.
5306 (update_live_1): Likewise.
5307 (insn_issue_delay): Remove unused variable `link'.
5308 (sched_analyze_2): Add default case in enumeration switch.
5309 (schedule_insns): Remove unused variable `i'.
5311 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
5313 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
5315 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
5316 a dangling else clause.
5318 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
5320 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
5321 pointer for the stack pointer in MIPS16 and 64BIT.
5323 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5325 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
5326 * emit-rtl.c (force_line_numbers, restore_line_number_status):
5328 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
5329 (expand_start_case): Adjust to this change.
5330 (check_seenlabel): New function.
5331 (pushcase, pushcase_range, expand_endcase): Use it.
5333 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5335 * i386.md (adddi3): Add =!r,0,0,X alternative.
5337 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
5339 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
5340 * x-aix31 (INSTALL): Delete.
5342 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
5344 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
5345 tsize changes to something other than zero.
5347 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
5349 * ginclude/va-mips.h: Replace casts of pointers to int with
5350 casts of pointers to __PTRDIFF_TYPE__.
5352 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
5354 * loop.c (strength_reduce, record_biv, record_giv): Use
5355 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
5357 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
5359 * tree.c (first_rtl_op): New fn.
5360 (unsave_expr_now): Use it.
5361 * print-tree.c (print_node): Likewise.
5362 * tree.c (has_cleanups): New fn.
5363 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
5364 conservative about pushing the cleanup point down.
5365 * tree.h: Declare them.
5367 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
5369 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
5370 (flag_schedule_reverse_after_reload): Likewise.
5371 (f_options): Remove reverse scheduling support.
5372 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
5373 (flag_schedule_reverse_after_reload): Likewise.
5374 * haifa-sched.c (rank_for_schedule): Remove support for reverse
5377 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5379 * gcc.c: Get system includes, prototypes and macros via "system.h"
5380 instead of doing it manually. Change all calls of the ctype
5381 macros to custom versions defined in "system.h".
5383 * system.h: Fix return type of bcmp prototype from `void' to `int'.
5384 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
5385 Add a prototype for getenv.
5387 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
5389 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
5391 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
5393 * alias.c: Include <stdlib.h> and <string.h>.
5394 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
5396 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
5398 * version.c: Bump for snapshot.
5400 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
5402 * arm.md (movsfcc): Also validate operands[3] when compiling hard
5404 (movdfcc): Only accept fpu_add_operand for operands[3].
5406 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
5407 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
5409 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
5411 * varasm.c (output_constant_pool): Bring back 'done' label inside
5412 an appropriate #ifdef.
5414 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
5416 (bitmap_copy, bitmap_operation): Likewise.
5417 * combine.c (combinable_i3pat): Similarly for 'src'.
5418 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
5419 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
5420 * regclass.c (copy_cost): Similarly for 'secondary_class'.
5421 * reload.c (make_memloc): Simliarly for 'i'.
5422 (find_reloads_address_1): Similarly for 'link'.
5423 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
5424 (emit_reload_insns): Similarly for 'second_reloadreg'.
5425 * unroll.c (iteration_info): Similarly for 'v'.
5427 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
5428 * calls.c (expand_call): Similarly for 'i'.
5429 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
5430 * fold-const.c (strip_compund_expr): Similarly for 'type'.
5431 * function.c (fixup_var_refs_1): Similarly for 'width'.
5432 (fixup_memory_subreg): Similarly for 'saved'.
5433 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
5434 (setjmp_protect): Similarly for 'sub'.
5435 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
5436 * loop.c (record_giv): Similarly for 'p'.
5437 (combine_givs): Similarly for 'temp_iv'.
5438 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
5439 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
5440 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
5441 * unroll.c (unroll_loop): Similarly for 'copy'.
5442 (iteration_info): Similarly for 'b'.
5443 * varasm.c (assemble_string): Similarly for 'i'.
5444 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
5446 1998-02-13 Martin von Loewis <loewis@informatik.hu-berlin.de>
5448 * c-lang.c (lang_print_xnode): New function.
5449 * objc/objc-act.c (lang_print_xnode): Likewise.
5450 * print-tree.c (print_node): Call it
5452 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
5454 * dwarf2out.c (decl_scope_node): New type.
5455 (decl_scope_table): Change type to use it.
5456 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
5457 (push_decl_scope): Use new type. New locals containing_scope, i.
5458 Add code to handle setting previous field.
5459 (scope_die_for): Change type of local i to int. Add code to use
5461 (dwarf2out_init): Use new type.
5463 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
5465 * except.c (emit_throw): Lose throw_used.
5467 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5469 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
5471 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
5473 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
5475 * genextract.c (main): Fix typo.
5477 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
5479 * c-lang.c (finish_file): Bracket declaration of static_ctors,
5482 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
5483 'old_stack_arg_under_construction'
5484 (emit_library_call): Bracket declaration of 'upper_bound',
5485 'lower_bound', 'i', 'reg_parm_stack_space'
5486 (emit_library_call_value): Likewise.
5489 * collect2.c: include <unistd.h> when appropriate.
5490 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
5492 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
5494 * explow.c (plus_constant_for_output_wide): Remove unused variable
5496 (memory_address): Remove unused variable 'orig_x'.
5498 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
5499 (write_const_num_delay_slots): Remove unused variable 'i'.
5501 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
5502 (gen_insn): Remove unused variable 'obstack_ptr'.
5504 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
5506 (__bb_exit_trace_func): Remove unused variable 'e'.
5508 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
5510 (expand_unop): Remove unused variable 'funexp'.
5511 (expand_complex_abs): Remove unused variable 'funexp'.
5512 (init_optabs): Bracket declaration of 'j'.
5513 (init_complex_libfuncs): Deleted. Dead static function.
5515 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
5517 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
5518 (reg_to_stack): 'initialized', 'before_function_beg'
5519 explictly type as ints instead of defaulting.
5520 (emit_swap_insn): Remove unused variable 'i2'.
5521 (compare_for_stack_reg): Remove unused variable 'src_note'.
5523 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
5525 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
5527 * stmt.c (add_case_node): Add parens for assignment used as truth.
5528 (all_cases_count): Remove unused variable 'count_high'.
5529 (mark_seen_cases): Remove unused variable 'i'.
5530 (check_for_full_enumeration_handling): Remove unused variable 't'.
5531 Bracket declaration of 'all_values', 'l'.
5533 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
5535 * varasm.c (assemble_string): Remove unused variable 'i'.
5536 (immed_double_const): Remove unused variable 'in_current_obstack'.
5537 (immed_real_const_1): Likewise.
5538 (output_constant_pool): Remove unreferenced label 'done'.
5539 (output_constant): Remove unused variable 'x'.
5541 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
5544 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
5547 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5549 * combine.c (can_combine_p): Handle USEs in PARALLELs.
5551 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
5553 * config/linux.h (LIB_SPEC): Add -lc for -shared if
5554 USE_GNULIBC_1 is not defined.
5555 * config/sparc/linux.h; Ditto.
5557 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
5559 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
5560 USE_GNULIBC_1 is not defined.
5562 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
5564 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
5567 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5569 * system.h: New file to get common systems includes and various
5570 definitions and declarations based on autoconf macros.
5572 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
5574 * cccp.c (new_include_prefix): Correctly handle -I./.
5576 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
5578 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
5580 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
5582 * expr.c (expand_assignment): Correct typo exposed by -Wall.
5583 offset should have been a truth value, not an assignment.
5585 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
5587 * cse.c (delete_dead_from_cse): If a libcall produces a constant
5588 result and that result can be substituted into SET_SRC of the
5589 insn with the REG_RETVAL note, then perform the substitution
5590 and delete the libcall.
5592 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
5594 * mips.md (trucndihi2,truncdiqi2): Change these to support
5597 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
5599 * mips/mips.c (movdi_operand): Direct referances to symbols
5600 that arn't mips16 consts in mips16 mode arn't valid operands.
5602 * mips/mips.c (mips_move_2words): Add gprel handling.
5604 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
5606 * mips.md (extendsidi2): Allow extension to/from a non-mips16
5609 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
5611 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
5614 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5616 * Makefile.in (WARN_CFLAGS): New variable.
5617 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
5619 1998-02-11 Mark Mitchell <mmitchell@usa.net>
5621 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
5622 falling through default case in switch.
5623 (i386_aligned_p): Likewise.
5625 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
5627 * mips/mips.h (mips_abi_string): Correct typo in comment.
5629 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
5631 * mips/mips.md (movdi): These PLUS's need to be Pmode.
5633 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5635 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
5636 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
5637 indirectly via expr.h.
5639 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
5641 * stor-layout.c (layout_type): Do upper - lower in the native type,
5642 so as to properly handle negative indices.
5644 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
5646 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
5647 (expand_eh_region_start_tree): Remove unused variable 'note'.
5648 (exception_optimize): Remove unused variable 'regions'.
5649 (expand_builtin_eh_stub): Remove unused variable 'temp'.
5650 (copy_eh_entry): Deleted. Dead function.
5652 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
5653 'last' with same #if HAVE_load_multiple as use of it.
5654 (move_block_from_reg): Likewise.
5655 (emit_move_insn_1): Remove unused variable 'insns'.
5656 (store_constructor): Bracket declaration of startb, endb with
5657 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
5658 'target', and 'xtarget'.
5659 (expand_builtin_setjmp): Remove unused variables 'op0',
5660 'next_arg_reg', 'old_inhibit_defer_pop'.
5661 (expand_builtin): Remove unused variable 'offset'.
5662 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
5663 (emit_queue): Add parens for assignment used as conditional.
5664 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
5666 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
5668 * i386.c: Added include for recog.h.
5669 (override_options): Removed unused variable p. Initialized regno to
5671 (order_regs_for_local_alloc): Initialized regno to avoid warning.
5672 (legitimize_address): Likewise for 'other'.
5673 (i386_aligned_reg_p): Added default case with abort ().
5674 (print_operand): Likewise.
5675 (reg_mentioned_in_mem): Likewise.
5676 (ix86_expand_binary_operator): Removed unused variables i & insn.
5677 (ix86_expand_unary_operator): Removed unused variable insn.
5678 (output_fp_cc0_set): Removed unused variable unordered_label.
5680 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
5682 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
5683 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
5684 and format string match.
5686 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
5688 * flow.c (life_analysis): Do not conside the stack pointer live at
5689 the end of a function if the fucntio ncalls alloca.
5690 (mark_used_regs): Similarly.
5692 1998-02-10 John F Carr <jfc@mit.edu>
5694 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
5695 1, fzero on alternative 8.
5697 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5699 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
5701 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5703 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
5704 SUBREGs of CONST_INTs.
5706 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
5708 * mips.c (print_operand, function_prologue): Make printf format
5709 match argument type.
5711 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5713 * alpha.c (alpha_return_addr): Remove unused variable `first'.
5714 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
5715 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
5717 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5719 * loop.c (strength_reduce): When placing increment for auto-inc
5720 case, do comparison in loop order.
5722 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
5724 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
5725 not a HOST_WIDE_INT.
5727 * calls.c (expand_call): Change test of expand_inline_function
5728 return value to stop compiler warning.
5730 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
5732 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
5733 Jeff Law (law@cygnus.com)
5735 * regmove.c: Fix various minor formatting problems.
5736 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
5737 is true. Make end of basic block tests consistent through regmove.c.
5738 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
5739 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
5741 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5743 * gansidecl.h: Check for a conflicting macro definition before
5744 attempting to prototype bcopy, bcmp or bzero.
5746 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
5748 * expr.c (clear_pending_stack_adjust): Handle case where a function
5749 calls alloca, but the user has specified -fomit-fframe-pointer.
5751 * function.c (assign_parms): Fix typo in last change.
5753 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
5755 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
5757 (free_path_suffix): Remove unreferenced static function.
5758 (process_command): Remove unused variable temp.
5759 (default_arg): Remove unused variable i.
5760 (do_spec_1): Add parens for assignment used as truth value.
5762 (validate_all_switches): Likewise.
5763 (main): Remove unused variables i, first_time>
5765 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
5767 * calls.c (expand_call): Remove unused variables funtree,
5768 n_regs, and tmpmode.
5770 * dbxout.c, except.c: Include <string.h>/<strings.h>.
5772 * explow.c: (plus_constant_for_output_wide) Removed unused
5773 variable all_constant.
5775 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
5776 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
5777 genrecog.c, global.c, integrate.c , stupid.c : Include
5780 * genextract.c: (walk_rtx) Remove unused variable link.
5782 * genrecog.c: (concat) Remove unreferenced static function.
5784 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
5786 * stmt.c: Include <stdlib.h>.
5787 (expand_asm_operands): Remove unused variable val1.
5788 (expand_return): Remove unused variable block.
5789 (pushcase): Remove unused variables l and n.
5790 (pushcaserange): Likewise.
5792 * unroll.c (unroll_loop): Remove unused variable temp.
5794 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
5796 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
5798 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5800 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
5801 functions for whether they support the %p format specifier.
5802 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
5803 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
5804 * configure, config.in: Rebuild.
5806 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
5808 * function.c (assign_parms): New variable named_arg, with value
5809 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
5811 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
5813 * mips/t-r3900: New - same as t-ecoff but eliminate
5814 multilibs: mips1 and mips3.
5815 * configure.in (tx39*): Use new mips/t-r3900.
5816 * configure: Rebuild.
5817 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
5819 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
5821 * dwarf2out.c: Add old_args_size.
5822 (dwarf2out_args_size): Use it.
5823 (dwarf2out_begin_prologue): Initialize it.
5824 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
5825 pushed args until we see a call.
5826 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
5827 before outputting them.
5829 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
5831 * cplus-dem.c (demangle_template_template_parm): New function.
5832 (demangle_template): Handle template template parameters.
5834 1998-02-02 Mark Mitchell <mmitchell@usa.net>
5836 * calls.c (expand_call): Don't confuse member functions named
5837 realloc, setjmp, and so forth with the standard library
5838 functions of the same names.
5840 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
5842 * stmt.c (expand_asm_operands): Correctly identify asm statements
5845 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
5847 * c-common.c (decl_attributes): Flag unrecognized attribute
5848 functions as warnings instead of as errors.
5850 1998-02-05 Marc Lehmann <pcg@goof.com>
5852 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
5853 when -Os is specified.
5854 * toplev.c (main): Don't disable flag_inline_functions anymore when
5857 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5859 * regmove.c: Update.
5860 * flags.h (flag_regmove): Declare.
5861 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
5862 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
5863 Moved into regmove; changed caller.
5864 * toplev.c (rest_of_compilation): Call regmove_optimize also for
5865 expensive_optimizations.
5867 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
5869 * version.c: Bump for snapshot.
5871 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5872 Undo this change (the problem was actually in reload):
5873 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5875 * sh.md (movqi_i+1): New peephole.
5877 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
5879 * jump.c (jump_optimize): Lose calls to modified_in_p they are
5880 not needed anymore due to changes elsewhere in jump.c.
5882 * jump.c (jump_optimize): Fix first arg to modified_in_p in
5885 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
5887 * expr.c (expand_builtin_setjmp): Accept two new arguments for
5888 the labels to branch to on first and subsequent executions. Don't
5889 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
5890 and provide it with the jmp_buf. Use only one of
5891 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
5892 and provide the former with the target label.
5893 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
5894 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
5895 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
5896 insn to replace all of the normal nonlocal_goto code. Don't play
5897 with __dummy. Correct arguments to nonlocal_goto.
5898 * expr.h (expand_builtin_setjmp): Update prototype.
5899 * except.c (start_dynamic_handler): When using builtin_setjmp,
5900 generate more accurate flow information.
5902 * alpha.md (nonlocal_goto_receiver_osf): Delete.
5903 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
5904 (builtin_longjmp, builtin_setjmp_receiver): New.
5905 * sparc.md (update_return): Disambiguate unspec number.
5906 (nonlocal_goto): Rearrange arguments to match caller in except.c.
5907 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
5909 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
5910 (builtin_setjmp_setup*, builtin_longjmp): New.
5912 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
5914 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
5916 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
5918 * vmsconfig.com: Remove bytecode references.
5920 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5922 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
5923 -fno-sjlj-exceptions works for a target that defines
5924 DWARF2_UNWIND_INFO as zero.
5926 * regmove.c (fixup_match_1): Undo last change which removed some
5927 "useless" code, and add a comment explaining this.
5929 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
5931 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
5934 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
5936 * makefile.vms: Remove bytecode references.
5937 Create genrtl files.
5939 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
5941 * jump.c (jump_optimize): Allow conditional loading of floating point
5942 constants and constants from memory. Reinstalled modified_in_p tests.
5944 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5946 * loop.c (get_condition): Handle sign-extended constants.
5948 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
5950 * expr.c (emit_push_insn): Add code to use movstrti if present.
5952 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
5953 and movstrqi as in emit_block_move ().
5955 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
5957 * config/m68k/x-next: Remove /NextDeveloper/Headers from
5958 the directories to fixinclude - /usr/include is a link
5959 to it and hence its contents are fixed by default.
5961 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
5963 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
5965 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
5967 * cccp.c (main): Predefine __VMS_VER on VMS.
5969 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5971 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
5972 * fold-const.c (size_int): Replace with
5974 (make_bit_field_ref): Use bitsize_int for bit position.
5975 * stor-layout.c (sizetype): Delete.
5976 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
5977 (layout_record, layout_union, layout_type):
5978 Use bitsize_int for bit size.
5979 (set_sizetype): New function.
5980 (make_signed_type, make_unsigned_type): Use it.
5981 * c-decl.c (init_decl_processing): Likewise.
5982 * tree.h (size_int): Don't delcare, #define.
5983 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
5984 (set_sizetype): Declare.
5985 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
5987 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
5988 Convert result to sizetype.
5989 (really_start_incremental_init, push_init_level):
5990 Set type of constructor_bit_index to sbitsizetype.
5991 (push_init_level): Use unsigned arithmetic to determine padding.
5992 (output_init_element): Likewise.
5994 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
5996 * combine.c (simplify_shift_const): Fix typo in last change.
5998 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
6000 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
6001 is (truncate (lshiftrt)).
6003 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
6005 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
6006 Make sure result winds up in TGT.
6007 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
6008 src to be other than DImode.
6009 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
6010 (alpha_expand_unaligned_store_words): Likewise.
6011 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
6012 that source and destination are separately optimized for alignment.
6013 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
6015 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
6017 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
6018 with handling of -32768.
6020 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6022 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
6023 shell variable argument instead of only hard coded functions.
6024 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
6026 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
6027 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
6028 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
6029 declarations for bcopy, bcmp and bzero.
6031 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
6033 * gansidecl.h: If we have bcopy but don't declare it, then do so.
6034 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
6035 bzero, index and rindex if they aren't already present.
6037 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
6039 * toplev.c (close_dump_file): Wrap function prototype for
6040 argument "func" in PROTO.
6041 (dump_rtl): Likewise.
6043 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
6045 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
6047 (output_function_epilogue): Omit epilogue if nothing drops through.
6048 (output_move_double): Supress int ldd usage on ultrasparc and v9.
6049 (registers_ok_for_ldd_peep): Likewise.
6050 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
6051 (ultrasparc_adjust_cost): New function.
6052 (sparc_issue_rate): New function.
6053 * sparc.h (MASK_VIS, TARGET_VIS): New
6054 (MASK_V8PLUS, TARGET_V8PLUS): New.
6055 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
6056 (TARGET_SWITCHES): Add vis and v8plus.
6057 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
6058 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
6059 (RTX_COSTS): Use TARGET_HARD_MUL
6060 (ADJUST_COST): Call ultrasparc_adjust_cost.
6062 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
6063 of load & fp appropritely.
6064 (supersparc function units): Adjust for Haifa.
6065 (ultrasparc function units): Likewise.
6066 (get_pc_via_rdpc): All v9, not just arch64.
6067 (movdi_v8plus, movdi_v8plus+1): New.
6068 (adddi3_sp32+1): New.
6069 (subdi3_sp32+1): New.
6070 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
6071 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
6072 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
6073 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
6074 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
6075 (ldd peepholes): Suppress for v9.
6076 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
6077 (return_subsi): Revmove.
6079 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
6081 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
6082 save/restore MEM rtl.
6084 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
6086 * configure.in: Check for declaration of abort.
6087 * acconfig.h: Corresponding changes.
6088 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
6091 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
6093 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
6096 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
6098 * version.c: Bump for snapshot.
6100 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
6102 * configure.in: Check for atoq and atoll.
6103 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
6104 proper routine for converting ascii into long long values.
6106 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
6108 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
6110 * vmsconfig.com: Remove bytecode references.
6112 * alpha/vms.h (PREFIX): Define.
6114 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
6116 * am-alpha.h: Don't include alloca for OPEN_VMS.
6118 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
6120 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
6121 (GCC_INCLUDE_DIR): Define
6123 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
6124 * makefile.vms: New file.
6126 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
6128 * alpha.c (output_prolog): Output '.name' directive
6129 for minimal traceback information.
6131 * alpha.c (output_prolog): Don't prepend entry point symbols
6132 with '$' on OPEN_VMS.
6134 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
6135 Jeffrey A Law (law@cygnus.com)
6137 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
6140 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
6142 * genemit.c (gen_exp): Likewise.
6143 * genpeep.c (match_rtx): Likewise.
6144 * genrecog.c (write_tree_1): Likewise.
6146 * c-lex.c (yyprint): Use proper format string based upon
6147 disposition of HOST_BITS_PER_WIDE_INT.
6148 (yylex): Put casts in right place for args to build_int_2.
6150 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
6152 * combine.c: Fix typos in Jan27 changes.
6154 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
6156 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
6157 (LINK_SPEC): Likewise.
6158 (STARTFILE_SPEC): Likewise.
6160 1998-01-28 Mike Stump <mrs@wrs.com>
6162 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
6164 * genattrtab.c (reload_completed): Define.
6166 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
6169 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6171 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
6172 SUBREG_REG if the word count is unchanged, also in the input reload
6173 case. Disable non-applicable sanity checks.
6175 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
6177 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
6179 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
6181 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
6183 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
6185 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
6186 is a TREE_VEC before trying to use it for baseclasses.
6187 (Chill uses the same field for a different purpose.)
6189 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
6191 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
6193 * config.sub: More accurate determination of HP processor types.
6195 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6197 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
6198 prototype for `handle_sysv_pragma', and make it static. Add
6199 parentheses around assignment used as truth value.
6201 * combine.c (combine_instructions): Protect variable `prev' with
6203 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
6204 (extract_left_shift): Add parentheses around operand of &.
6205 (merge_outer_ops): Avoid an empty body in an else-statement.
6206 (gen_rtx_combine): Remove unused variable `i'.
6208 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
6209 function monstartup `void'. Likewise for internal_mcount. Add
6210 `static void' prototype for moncontrol. Reconcile sprintf format
6213 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
6214 Make return type of function_arg_slotno explicitly `int'.
6215 (reg_unused_after): Add parentheses around assignment used as
6217 (save_regs): Add explicit braces to avoid ambiguous `else'.
6218 (function_arg_slotno): Add parentheses around && within ||.
6219 (function_arg_pass_by_reference): Likewise.
6220 (sparc_flat_output_function_prologue): Reconcile fprintf format
6223 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
6224 assignment used as truth value.
6226 * cplus-dem.c: Include <stdlib.h>.
6227 (demangle_signature): Avoid an empty body in an else-statement.
6228 (do_type): Remove unused variable `lvl'.
6230 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
6231 Include <string.h>/<strings.h>.
6232 (cpp_lex): Remove unused variable `namelen'.
6233 (cpp_lex): Explicitly declare `num_chars' as an int.
6235 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
6236 <unistd.h> instead. Explicitly declare is_system_include
6238 (make_assertion): Remove unused variable `kt'.
6239 (cpp_expand_to_buffer): Hide variable `obuf'.
6240 (output_line_command): Remove unused variables, `line_end',
6241 `line_cmd_buf' and `len'.
6242 (macarg): Remove unused variable `arg_start'.
6243 (special_symbol): Remove unused variable `i'. Add parentheses
6244 around assignment used as truth value.
6245 (do_include): Remove unused variables `pcfname' and `retried',
6246 hide `pcf' and `pcfbuflimit'.
6247 (do_line): Remove unused variable `i'.
6248 (finclude): Hide variable `missing_newline'.
6249 (cpp_handle_options): Remove unused variable `j'.
6250 (read_token_list): Remove unused variable `eofp'.
6251 (cpp_error_with_line): Remove unused variable `i'.
6252 (cpp_warning_with_line): Likewise.
6253 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
6254 (cpp_error_from_errno): Remove unused variable `i'.
6256 * cse.c (invalidate): Add parentheses around assignment used as
6258 (find_best_addr): Move declaration of variable `our_cost' inside
6259 the conditional macro where its used.
6260 (fold_rtx): Avoid an empty body in an if-statement.
6261 (cse_insn): Wrap variables `this_insn_cc0_mode' and
6262 `this_insn_cc0' in macro HAVE_cc0.
6264 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
6265 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
6266 (output_uleb128): Likewise.
6267 (output_sleb128): Likewise.
6268 (output_cfi): Likewise.
6269 (output_call_frame_info): Remove unused variables `j', `fde_size'
6271 (comp_unit_has_inlines): Hide declaration as per rest of file.
6272 (size_of_line_prolog): Correct typo in prototype.
6273 (add_arange): Likewise.
6274 (output_aranges): Likewise.
6275 (add_name_and_src_coords_attributes): Likewise.
6276 (gen_array_type_die): Likewise.
6277 (gen_inlined_subroutine_die): Likewise.
6278 (equate_decl_number_to_die): Remove unused variable `i'.
6279 (print_die): Reconcile format vs. args in fprintf's.
6280 (print_dwarf_line_table): Likewise.
6281 (output_die): Likewise.
6282 (output_line_info): Likewise.
6283 (add_subscript_info): Avoid an empty body in an else-statement.
6284 (gen_subprogram_die): Remove unused variable `fp_loc'.
6286 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
6287 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
6288 macro. Protect `src_coords_attribute' prototype with
6289 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
6290 prototype as in the rest of the file. Likewise for
6291 `output_pointer_type_die' and `output_reference_type_die'. Remove
6292 prototype for `type_of_for_scope'.
6293 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
6294 (type_attribute): Add explicit braces to avoid ambiguous `else'.
6296 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
6297 (shorten_branches): Protect declaration of tmp_length with
6298 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
6299 (profile_function): Protect declaration of `sval' and `cxt'
6300 variables with appropriate macros.
6301 (final_scan_insn): Likewise for `note' variable. Add explicit
6302 braces to avoid empty body in an if-statement.
6303 (output_asm_insn): Move variable `i' inside macro conditional
6304 where it is used. Add parentheses around assignment used as truth
6306 (asm_fprintf) Likewise, likewise.
6308 * fix-header.c (main): Remove unused variable `done'. Protect
6309 declaration of `i' with FIXPROTO_IGNORE_LIST.
6311 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
6313 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
6316 * profile.c: Include <string.h>/<strings.h>.
6317 (instrument_arcs): Remove unused variables `note', `inverted',
6318 `zero' and `neg_one'.
6319 (branch_prob): Avoid empty body in an if-statement.
6321 * regclass.c: Include <stdlib.h>.
6322 (reg_alternate_class): Explicitly declare parameter `regno'.
6324 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
6325 parentheses around assignment used as truth value.
6326 (find_matches): Remove unused variables `output_operand' and
6328 (fixup_match_1): Remove statement with no effect: "if (0) ;".
6330 * scan.c (sstring_append): Explicitly declare `count' as int.
6331 (scan_string): Explicitly declare parameter `init' as int.
6333 * sched.c: Include <stdlib.h>.
6334 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
6335 (rank_for_schedule): Add parentheses around assignment used as
6337 (schedule_block): Likewise.
6338 (regno_use_in): Likewise.
6339 (schedule_insns): Remove unused variable `i'.
6341 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
6342 (v_message_with_decl): Remove unused variable `n'.
6343 (botch): Explicitly declare parameter `s' as char *.
6344 (main): Add parentheses around assignment used as truth value.
6346 * tree.c (make_node): Protect the variable `kind' with the
6347 GATHER_STATISTICS macro.
6348 (real_value_from_int_cst): Move variable `e' inside conditional
6349 macro area where it is used.
6350 (tree_last): Add parentheses around assignment used as truth value.
6351 (build1): Protect the variable `kind' with the GATHER_STATISTICS
6353 (print_obstack_statistics): Reconcile format vs. args in fprintf.
6354 Protect variables `i', `total_nodes', and `total_bytes' with the
6355 GATHER_STATISTICS macro.
6357 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
6359 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
6360 some comments regarding use of dead_or_set_p.
6362 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
6364 * fixincludes: Tweak fix for struct exception in math.h
6366 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
6368 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
6369 Change mode of registers used to add/sub from
6370 hard_frame_pointer_rtx from word_mode to Pmode.
6372 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
6374 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
6375 asm_output_aligned_bss() instead of asm_output_bss().
6377 * toplev.c (rest_of_compilation): Replace references to
6378 stack_reg_dump_file and dbr_sched_dump_file with references to
6381 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6383 * tlink.c (scan_linker_output): Call fclose() for opened files.
6385 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
6387 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
6388 compiling with -fpic -- we want to be able to override symbols
6390 (alpha_expand_block_move): Fix thinko in last change.
6392 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
6393 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
6394 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
6396 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
6398 * alpha.md (abssf, absdf): Revert last change.
6400 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
6402 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
6403 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
6405 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
6407 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
6408 a CONST_INT into SFmode.
6410 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
6412 * flags.h: New flag (optimize_size).
6413 * toplev.c (main): Parse -Os option and set optimize_space
6415 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
6416 __OPTIMIZE_SIZE__ when compiling with -Os.
6417 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
6418 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
6419 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
6421 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
6423 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
6425 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
6426 stuff only if MCT_TEXT is #define'd.
6428 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
6430 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
6433 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
6435 * toplev.c: Add -dM command line option to dump RTL after the
6436 machine dependent reorganisation pass, if there is one.
6437 Reorganise RTL dump code, so that only one file handle is
6440 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
6442 * except.c (check_exception_handler_labels): Disable warning when
6445 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
6447 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
6449 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6451 * c-decl.c (grokdeclarator): Get parameter tags from
6452 last_function_parm_tags.
6453 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
6454 traversing the parameter types.
6455 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
6457 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
6459 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
6461 (get_shift_alg): Fix typo.
6463 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
6465 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
6467 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
6469 * toplev.c (get_run_time): Make sure each case gets its variables.
6471 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
6473 * configure.in (build_xm_file): Add auto-config.h if host=build.
6474 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
6475 (build_xm_file_list): Likewise.
6476 * configure: Rebuild.
6478 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
6480 * recog.c (validate_replace_rtx_1): Only perform substitutions
6481 of arguments to commutative and comparison operators once.
6483 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6485 * sparc.c (output_cbranch): Add default case in
6488 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
6489 (emit_delay_sequence): Eliminate unused parameter, all callers
6491 (fill_simple_delay_slots): Likewise.
6492 (fill_slots_from_thread): Likewise.
6493 (fill_eager_delay_slots): Likewise.
6494 (mark_referenced_resources): Add default case in enumeration switch.
6495 (mark_set_resources): Likewise.
6496 (rare_destination): Likewise.
6497 (mostly_true_jump): Likewise.
6498 (find_dead_or_set_registers): Likewise.
6499 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
6500 (update_reg_unused_notes): Remove unused variable `p'.
6501 (mark_target_live_regs): Remove unused variables `next' and
6503 (fill_simple_delay_slots): Remove unused variable `j'.
6504 (fill_slots_from_thread): Add parentheses around assignment used
6506 (dbr_schedule): Likewise.
6508 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
6509 (objc.stage2, objc.stage3, objc.stage4): Likewise.
6511 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
6513 * cse.c (simplify_ternary_operation): Don't try to simplify
6514 IF_THEN_ELSE expressions (created by combine) that don't use
6515 relational operators.
6517 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
6519 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
6522 * crtstuff.c (init_dummy): Keep the epilogue in the init
6523 section for non-ELF systems.
6525 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6527 * sh.md (movqi_i+1): New peephole.
6529 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
6531 * Makefile.in: Remove remaining bytecode stuff.
6532 * emit-rtl.c, expr.c: Likewise.
6534 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
6536 * toplev.c (lang_options): Add unknown-pragma options.
6538 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
6540 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
6541 special (and incomplete) handling for Chill arrays.
6543 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
6545 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
6548 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
6550 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
6552 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
6554 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
6555 .frame directive instead of FRAME_POINTER_REGNUM.
6557 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
6559 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
6560 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
6561 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
6562 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
6563 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
6564 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
6565 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
6566 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
6568 * longlong.h: Replace __mc68332__ with __mcpu32__.
6570 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
6572 * version.c: Bump for snapshot.
6574 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
6576 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
6577 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
6578 * reload1.c (eliminate_regs): Likewise.
6580 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
6582 * regmove.c (find_matches): Initialize matches->earlyclobber too.
6584 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
6586 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
6587 (negsf2, negdf2): Use proper subtract in IEEE mode.
6589 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
6591 * Makefile.in: Remove more bytecode stuff.
6592 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
6593 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
6594 * f/install.texi, objc/Make-lang.in: Likewise.
6596 * Makefile.in: Remove all bytecode support.
6597 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
6598 * emit-rtl.c: Remove all bytecode support.
6599 * expr.c, expr.h function.c, integrate.c: Likewise.
6600 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
6601 * tree.h, varasm.c: Likewise.
6602 * config/m68k/m68k.h: Likewise.
6603 * bi-*, bc-*, bytecode*: Delete bytecode related files.
6604 * modemap.def: Likewise.
6606 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
6608 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
6609 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
6611 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
6613 * i386.md (push): Prohibit symbolic constants if flag_pic.
6614 (movsi+1): Likewise for move to non-register.
6616 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
6618 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
6619 (print_operand): Handle 0xffffffff on 32 bit host.
6621 * configure.in (thread_file): Rename uses before main loop to
6622 target_thread_file. Initialize to empty in main loop. Set thread_file
6623 to target_thread_file after main loop if not set.
6624 * configure: Rebuild.
6626 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
6627 (add_values_to_cover): Revert last change (which had no ChangeLog
6629 (simplify_with_current_value_aux): Handle CONST_INT.
6631 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6633 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
6635 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
6637 * configure.in: Add cpp stringify test.
6638 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
6639 * gengenrtl.c: Use it.
6640 * configure, config.in: Rebuild.
6642 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6644 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
6646 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
6648 * configure.in: Find declaration for sbrk.
6649 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
6650 * config.in, configure: Rebuild.
6651 * mips-tfile.c: Properly protect declaration of sbrk and free.
6652 * toplev.c: Properly protect declaration of sbrk.
6654 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
6656 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
6658 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
6660 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
6662 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
6664 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
6666 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
6668 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
6669 constant offset computations from objects with known alignment in
6670 the presence of STACK_BIAS.
6672 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
6674 (const_hash): Hash val is unsigned long.
6675 (SYMHASH): Likewise.
6677 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
6679 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
6680 char pointer, not HOST_WIDE_INT.
6681 (print_node): Likewise. Also hash is unsigned long not
6684 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
6686 * explow.c (optimize_save_area_alloca): New function for targets
6687 where SETJMP_VIA_SAVE_AREA is true.
6688 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
6689 compute the amount of stack space needed should we find later that
6690 setjmp is never called by this function, stuff rtl for this inside
6691 a REG_NOTE of the final SET of stack_pointer_rtx.
6692 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
6693 current_function_calls_alloca, call optimize_save_area_alloca.
6695 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
6697 * i386.md: Remove redundant integer push patterns.
6698 Don't bother checking for TARGET_PUSH_MEMORY when
6699 pushing constants or registers.
6701 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
6702 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
6704 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
6705 (pwait): New function for mingw32.
6707 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
6708 pipe support is broken for now.
6710 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
6712 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
6713 between frame_pointer_rtx, hard_frame_pointer_rtx, and
6714 arg_pointer_rtx is respected in initialization.
6715 (init_emit_once): Use gen_rtx_raw_REG() to create
6716 return_address_pointer_rtx.
6718 * reorg.c: #include "expr.h" for rtx prototypes.
6719 * Makefile.in (reorg.o): Depend on expr.h
6721 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
6723 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
6724 local_prefix to sub-make invocations.
6726 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
6728 * objc-parse.c: Recognize protocol qualifiers in class definitions.
6730 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
6734 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
6735 * configure.in: Check for atol.
6736 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
6738 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
6740 * loop.c (find_and_verify_loops): When attempting to move insns from
6741 inside the loop outside the loop, create a BARRIER if no suitable
6744 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
6745 favor of an equivalent change from gcc-2.8.
6747 * i386/x-sco5 (CC): Remove trailing whitespace.
6749 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6751 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
6752 (accessor_from_format): Likewise.
6753 (xmalloc): New function for use when linking with alloca.o.
6755 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
6757 * frame.c (find_fde): Correct FDE's upper bound.
6759 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
6761 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
6763 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
6765 * calls.c (expand_call): Move #ifdef code out of macro argument
6767 (emit_library_call, emit_library_call_value): Likewise.
6769 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
6771 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
6773 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
6775 * version.c: Bump for snapshot.
6777 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
6779 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
6780 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
6781 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
6782 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
6783 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
6784 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
6785 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
6786 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
6787 * unroll.c, varasm.c: Likewise.
6788 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
6790 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
6792 * mips.h: Fix some type-o's from a previous change.
6794 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
6796 * loop.c (check_dbra_loop): Make sure initial value is a
6797 CONST_INT before trying to normalize it.
6799 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
6801 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
6803 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
6805 * cppexp.c: Include gansidecl.h
6807 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
6809 * svr4.h (LINK_SPEC): Never specify -h.
6810 * ptx4.h (LINK_SPEC): Likewise.
6811 * rs6000/sysv4.h (LINK_SPEC): Likewise.
6812 * sparc/sol2.h (LINK_SPEC): Likewise.
6814 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
6816 * c-typeck.c (comptypes): Exit early on NULL input.
6818 * haifa-sched.c (schedule_insns): Correctly remove inter-block
6819 dependencies after reload.
6821 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
6823 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
6825 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
6827 * alpha/vms.h (DIR_SEPARATOR): define
6829 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
6831 * Makefile.in (stamp-proto): Remove.
6832 (protoize.o, unprotoize.o): Straightforward compile.
6833 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
6835 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
6837 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
6838 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
6840 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
6842 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
6843 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
6844 * sparc/netbsd.h, vax/netbsd.h: Likewise.
6846 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
6848 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
6850 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
6852 * configure.in (target_cpu_default, target_cpu_default2): Use double
6853 quotes around them when testing their value.
6854 * configure: Rebuilt.
6856 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
6858 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
6860 (gendef): Call obstack_alloc_rtx.
6862 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
6864 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
6867 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
6869 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
6870 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
6871 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
6873 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
6875 * mips.md (return_internal): Change mode from SImode to VOIDmode.
6877 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
6879 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
6882 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
6884 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
6885 suffix from operand 3.
6887 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6888 Jeffrey A Law (law@cygnus.com)
6890 * regmove.c: New implementation of regmove pass.
6891 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
6892 decls, make them have external linkage. Return a value from
6893 optimize_reg_copy_1.
6894 * reload.h (count_occurrences): Add decl.
6895 * reload1.c (count_occurrences): Delete decl, make it have external
6897 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
6899 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
6901 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
6902 if it is not defined.
6904 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
6906 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
6907 * emit-rtl.c (gen_rtx): Move special code to ...
6908 (gen_rtx_CONST_INT): New function.
6909 (gen_rtx_REG): New function.
6910 (*): Update all calls to gen_rtx.
6911 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
6912 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
6913 (GEN_INT): Call gen_rtx_CONST_INT.
6914 * gengenrtl.c: New file.
6916 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
6918 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
6919 (base_alias_check): If no base found for address call canon_rtx and
6922 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
6924 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
6925 arguments for mips16.
6926 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
6927 Don't lose if tsize is zero after handling large stack for mips16.
6928 * mips.md (return): For trivial return, return address is in $31.
6930 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
6932 * mips/mips16.S: Various changes to make it work with -msingle-float
6935 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
6936 Ian Lance Taylor <ian@cygnus.com>
6937 Jeff Law <law@cygnus.com>
6939 * mips.c, mips.h, mips.md: First cut at merging in mips16
6940 support. Major modifications throughout all three files.
6942 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
6944 * configure.in: Make gthr-default.h a forwarding header instead of
6947 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6949 * gcov-io.h: Include sys/types.h to ensure we get size_t.
6951 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
6953 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
6954 Jeffrey A Law (law@cygnus.com)
6956 * crtstuff.c (__frame_dummy): New function for irix6.
6957 (__do_global_ctors): Call __frame_dummy for irix6.
6958 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
6960 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
6962 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
6964 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
6966 * c-decl.c (init_decl_processing): Provide proper fallback symbol
6967 for __builtin_memset.
6968 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
6969 not INTEGER_CST. Assert arg 3 is a constant.
6971 * alpha.c (mode_width_operand): Accept 64-bit modes.
6972 (mode_mask_operand): Likewise.
6973 (print_operand): Likewise for 'M' and 'U' codes.
6974 (alpha_expand_unaligned_load): New function.
6975 (alpha_expand_unaligned_store): Likewise.
6976 (alpha_expand_unaligned_load_words): Likewise.
6977 (alpha_expand_unaligned_store_words): Likewise.
6978 (alpha_expand_block_move): Likewise.
6979 (alpha_expand_block_clear): Likewise.
6980 * alpha.h (MOVE_RATIO): New define.
6981 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
6982 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
6984 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
6985 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
6987 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
6989 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
6990 * configure: Update.
6992 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
6994 * emit-rtl.c (operand_subword): Correctly handle extracting a word
6995 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
6997 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
7000 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
7002 * configure.in: Set and subsitute host_exeext. Use it when creating
7003 the assembler and linker symlinks.
7004 * configure: Rebuild.
7005 * Makefile.in (exeext): Set to @host_exeext@.
7006 (build_exeext): New variable, set to @build_exeext@.
7007 (FLAGS_TO_PASS): Pass down build_exeext.
7008 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
7011 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
7013 * mn10200.md (addsi3, subsi3): Fix thinkos.
7015 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
7017 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
7018 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
7019 unix always, since we want to be able to thunk to functions in a
7020 shared library from an application.
7022 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
7024 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
7025 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
7027 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
7029 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
7030 offset's mode is not ptr_mode, convert it.
7032 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
7034 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
7035 compiling if it was already defined.
7037 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
7039 * flow.c (find_basic_blocks): Don't create a new basic block
7040 for calls in a LIBCALL block.
7042 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
7044 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
7046 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
7048 * cse.c (rtx_cost): Remove conflicting default case.
7050 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
7052 * configure.in: Move default enabling of Haifa out of for loop.
7053 * configure: Rebuild.
7055 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
7057 * version.c: Bump for snapshot.
7059 1997-12-25 Teemu Torma <tot@trema.com>
7061 * Makefile.in (GTHREAD_FLAGS): New var.
7062 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
7063 (distclean): Remove gthr-default.h.
7065 * configure.in: Accept dce as a thread package.
7066 Check for thread.h and pthread.h.
7067 Link gthr-default.h to appropriate thread file and set
7069 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
7070 include multilib definitions from pa/t-dce-thr.
7071 (sparc-*-solaris2*): Enable threads by default, if thread.h or
7072 pthread.h is found, preferring posix threads over solaris ones.
7074 * config/pa/t-dce-thr: New file.
7075 * config/pa/t-pa: Removed multilibs.
7076 * config/sparc/t-sol2: Ditto.
7079 * gthr-single.h: New file.
7080 * gthr-posix.h: New file.
7081 * gthr-solaris.h: New file.
7082 * gthr-dce.h: New file.
7083 * libgcc-thr.h: Removed.
7084 * objc/thr-dce.c: New file copied from thr-decosf1.c.
7086 * frame.c: Include gthr.h instead of libgcc-thr.h.
7087 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
7088 (eh_context_initialize): If __gthread_once fails, use static eh
7090 (eh_context_free): Call __gthread_key_dtor.
7092 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
7094 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
7096 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
7098 * cse.c (max_insn_uid): New variable.
7099 (cse_around_loop): Use max_insn_uid.
7100 (cse_main): Set max_insn_uid.
7102 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
7103 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
7104 -mlong64, and -mgp{32,64} options.
7105 * mips.c (mips_abi): Change type to int.
7106 * mips.h (enum mips_abi_type): Delete.
7107 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
7108 (mips_abi): Change type to int.
7110 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
7112 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
7113 optimization is now always enabled.
7115 * calls.c (expand_call): Recognize C++ operator new as malloc-like
7118 * alias.c (memrefs_conflict_p): Eliminate tests now done by
7120 (*_dependence): Call canon_rtx before base_alias_check.
7121 (init_alias_once): New function to precompute set of registers which
7122 can hold Pmode function arguments.
7124 * rtl.h: Declare init_alias_once.
7126 * toplev.c (compile_file): Call init_alias_once.
7128 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
7130 * tree.c (restore_tree_status): Do not dereference a null pointer.
7132 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
7134 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
7135 RLIMIT_STACK. This maintains consistency with the recent, similar
7136 patch to cccp.c and toplev.c.
7138 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
7140 * genattrtab.c (expand_units): For large nr opclasses, expand
7141 function_units_used with ORX to prevent blowups. Tag with FFS.
7142 (num_unit_opclasses): New variable.
7143 (gen_unit): Update it.
7144 (enum operator): Add ORX_OP.
7145 (operate_exp): Treat ORX as or, except don't expand across an if.
7146 Reuse number rtx's after operating on them.
7147 (check_attr_value): Accept IOR, AND, & FFS.
7148 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
7149 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
7150 (write_expr_attr_cache, write_toplevel_expr): New functions.
7151 (write_attr_get): Handle FFS-tagged expressions.
7152 (make_canonical): Don't expand const attributes.
7153 (convert_const_symbol_ref): Dike out.
7154 (evaluate_eq_attr): Handle SYMBOL_REF.
7155 (main): Don't emit get_attr_foo for const attributes.
7157 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
7158 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
7159 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
7160 * alpha.md: Redo all of the scheduling, adding EV6 support, and
7161 combining function units where possible.
7162 (attr "type"): Split loads, stores, cmov into int/fp. Combine
7163 multiplies and divides. Add EV6 sqrt, ftoi, itof.
7164 (attr "opsize"): New attribute.
7165 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
7166 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
7167 to control register allocation.
7168 (movsi2-1, movdi2-1): Likewise.
7170 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
7172 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
7173 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
7174 Move OSF/1 specific defines out.
7175 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
7176 Move Linux specific defines out.
7177 (LINK_SPEC): Genericize.
7178 (ASM_FILE_START): Emit .arch if using more than the base insn set.
7179 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
7180 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
7181 (HANDLE_SYSV_PRAGMA): Define.
7182 * alpha/osf.h: New file.
7183 * alpha/linux.h: Split. Retain file-format independant defines.
7184 Import Linux bits from elf.h.
7185 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
7186 (FUNCTION_PROFILER): _mcount takes its address in $28.
7187 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
7188 * alpha/linux-ecoff.h: New file.
7189 * alpha/linux-elf.h: New file.
7190 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
7191 * alpha/win-nt.h (TARGET_DEFAULT): Define.
7192 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
7193 Add new headers as appropriate.
7195 * configure.in (alpha*): Enable Haifa by default.
7196 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
7197 * configure: Rebuild.
7199 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
7201 * Makefile.in (clean): Remove the stages with their objects here ...
7202 (distclean): ... instead of here.
7204 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7206 * cse.c (rtx_cost): Add default case in enumeration switch.
7207 * fix-header.c (recognized_macro): Likewise.
7208 (recognized_extern): Likewise.
7209 (write_rbrac): Likewise.
7210 * objc/objc-act.c (encode_aggregate): Likewise.
7211 (gen_declarator): Likewise.
7212 (gen_declspecs): Likewise.
7214 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
7216 * haifa-sched.c (create_reg_dead_note): Detect and handle another
7217 case where we kill more regs after sched than were killed before
7219 * sched.c (create_reg_dead_note): Similarly.
7221 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
7223 * c-pragma.c: Include flags.h.
7225 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
7227 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
7228 about system headers.
7229 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
7230 and also to resolve symbols in prefix.c.
7232 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
7233 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
7234 when the definitions in auto-config.h is not visible.
7235 (HAVE_BZERO): Likewise.
7236 (HAVE_BCMP): Likewise.
7237 (HAVE_RINDEX): Likewise.
7238 (HAVE_INDEX): Likewise.
7240 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
7242 * pa.c (emit_move_sequence): Handle a function label source
7245 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
7247 * c-pragma.c (handle_pragma_token): Generate warning messages
7248 about unknown pragmas if warn_unknown_pragmas is set.
7250 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
7251 line option to set variable: warn_unknown_pragmas.
7253 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
7255 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
7257 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
7259 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
7261 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
7262 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
7263 generate more fine grained floating point emulation libraries.
7264 * config/fp-bit.c: Add protecting #ifdef to all functions so
7265 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
7266 then compile all suitable functions.
7267 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
7268 underscores to avoid namespace pollution.
7269 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
7271 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
7275 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7276 Jeff Law <law@cygnus.com>
7278 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
7280 * c-decl.c (finish_decl): Use parentheses around && within ||.
7281 * rtl.c: Include stdlib.h.
7282 (read_skip_spaces): Add parentheses around assignments used as
7284 (read_rtx): Initialize list_rtx.
7285 * cppexp.c (parse_number): Use || when operands are truth values.
7286 * alias.c (find_base_value): Add default case.
7287 (memrefs_conflict): Likewise.
7288 * combine.c (sets_function_arg_p): Likewise.
7289 * genemit.c (gen_exp): Likewise.
7290 * local-alloc.c (contains_replace_regs): Likewise.
7291 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
7292 * fold-const.c (fold_convert): Use "&&" for truth values.
7293 (fold): Add default case.
7294 * sdbout.c (sdbout_field_types): Fix typo in declaration.
7295 (sdbout_one_type): Add default case.
7296 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
7297 (some_operand): Add default case.
7298 (input_operand): Likewise.
7299 (signed_comparison_operator): Likewise.
7300 (divmod_operator): Likewise.
7301 (alpha_set_memflags_1): Likewise.
7302 * reload1.c (reload_cse_simplify_operands): Ensure function
7303 always returns a value.
7304 * scan-decls.c (scan_decls): Likewise.
7305 * c-lex.c (skip_white_space): Fix typo in declaraion.
7306 * c-typeck.c (comp_target_types): Add parentheses around assignment
7307 used as truth value.
7308 (print_spelling): Likewise.
7309 (constructor_implicit, constructor_result): Remove unused variables.
7310 * collect2.c (scan_library): Protect prototype with
7311 #ifdef SCAN_LIBRARIES.
7312 * emit-rtl.c (find_line_note): Fix typo in declaration.
7313 * final.c (asm_insn_count): Protect prototype with
7314 #ifdef HAVE_ATTR_length.
7315 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
7316 (try_pre_increment_1, try_pre_increment): Likewise.
7317 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
7318 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
7319 * gcov-io.h (__store_long, __write_long, __read_long): Fix
7320 unsigned/signed comparisons.
7321 * gcov.c (read_files): Remove unused "first_type" variable.
7322 (scan _for_source_files): Initialize s_ptr.
7323 (function_summary): Eliminate "%lf" formatting, use %ld for
7325 (output_data): Initialize branch_probs and last_line_num.
7326 Eliminate "%lf" formatting, use "%ld" for longs.
7328 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
7330 * mips16.S: New file.
7332 * libgcc2.c (varargs): Handle mips16.
7334 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
7336 * stmt.c (expand_end_case): Likewise.
7337 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
7338 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
7339 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
7341 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7343 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
7344 the build directory.
7345 (libobjc.a): Update dependency list.
7346 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
7348 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
7349 (objc.mostlyclean): Remove runtime-info.h.
7351 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
7353 * tree.c (build_range_type): Allow creation of ranges with no maximum.
7354 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
7355 * dwarf2out.c (add_subscript_info): Likewise.
7356 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
7357 * sdbout.c (plain_type_1): Likewise.
7358 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
7360 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
7363 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7365 * mips.c (fatal): Remove declaration.
7367 1997-12-18 Mark Mitchell <mmitchell@usa.net>
7369 * integrate.c (get_label_from_map): New function.
7370 (expand_inline_function): Use it. Initialize the label_map to
7371 NULL_RTX instead of gen_label_rtx.
7372 (copy_rtx_and_substitute): Use get_label_from_map.
7373 * integrate.h (get_label_from_map): New function.
7374 (set_label_from_map): New macro.
7375 * unroll.c (unroll_loop): Use them.
7376 (copy_loop_body): Ditto.
7378 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
7380 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
7381 (INIT_TARGET_OPTABS): Define.
7382 * mips/ecoff.h: Include gofast.h before mips.h.
7383 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
7384 * mips/elf64.h: Likewise.
7385 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
7387 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
7389 * except.c: Remove register_exception_table{,_p}.
7391 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
7393 * unroll.c (calculate_giv_inc): Handle constant increment found in
7394 a MEM with an appropriate REG_EQUAL note.
7396 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
7398 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
7399 frame pointer in the prologue.
7401 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
7403 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
7404 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
7406 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
7408 * config/m68k/m68k.c (output_function_prologue): Typecast
7409 dwarf2out_cfi_label to (char *).
7410 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
7412 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
7414 * sparc.md (jump): Don't use the annul bit around an empty loop.
7415 Patch from Kevin.Kelly@East.Sun.COM.
7417 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
7419 * jump.c: (jump_optimize): Don't use the return register as a
7420 source1 of a conditional move.
7422 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
7424 * sparc.c (DF_MODES): Or the mask not the bit number.
7425 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
7427 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
7429 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
7431 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
7433 * fixincludes (size_t): Add support for Motorola's stdlib.h
7434 which fails to provide a definition for size_t.
7435 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
7436 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
7437 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
7439 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
7440 prevent unresolved externals in libio.
7441 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
7443 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
7445 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
7446 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
7447 (LIB_SPEC): Updated for glibc 2.
7449 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
7451 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
7452 * ginclude/varargs.h: Likewise.
7454 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
7456 * version.c: Bump for snapshot.
7458 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
7460 * frame.h (__register_frame, __register_frame_table,
7461 __deregister_frame): New.
7462 * frame.c (__register_frame, __register_frame_table,
7463 __deregister_frame): New.
7464 * frame.c (__deregister_frame_info): Return void *.
7465 * frame.h (__deregister_frame_info): Ditto.
7466 * collect2.c (__deregister_frame_info): Ditto.
7468 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
7470 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
7472 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
7474 * alpha.c (alpha_cpu_name): New variable.
7475 (alpha_mlat_string): Likewise.
7476 (alpha_memory_latency): Likewise.
7477 (override_options): Handle -mmemory-latency.
7478 (alpha_adjust_cost): Adjust load cost for latency.
7479 * alpha.h (TARGET_OPTIONS): Add meory-latency.
7480 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
7481 TARGET_CIX into account.
7482 (MEMORY_MOVE_COST): Define in terms of memory_latency.
7483 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
7485 * alpha.h (ASM_COMMENT_START): New macro.
7487 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
7489 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
7490 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
7492 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
7493 SUBREG_REG if the word count is unchanged.
7494 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
7495 subregs of identical word size for push_reload.
7497 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
7499 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
7500 if all we're doing is dealing with -Wreturn-type.
7502 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
7504 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
7505 Use and 255 instead of zapnot 1, since it schedules better.
7507 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
7509 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
7512 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
7514 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
7515 dependency we delete. Properly update prev for multiple consecutive
7517 (priority): Skip deleted dependence.
7519 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
7521 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
7523 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
7525 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
7526 determining when a new basic block starts.
7528 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
7530 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
7531 * pa.md (iorsi3): Add missing args to *_operand calls.
7533 * except.c (call_get_eh_context): Don't mess with sequences.
7534 (emit_eh_context): Include the call in the sequence here.
7536 1997-12-11 Paul Eggert <eggert@twinsun.com>
7538 * collect2.c (write_c_file_glob): Allocate initial frame object
7539 in static storage and pass its address.
7541 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
7543 * except.c (call_get_eh_context): Don't take a parm.
7544 Put the call at the top of the function.
7545 (emit_eh_context): Adjust.
7546 (get_eh_context): Replace with former use_eh_context.
7547 (get_eh_context_once, get_saved_pc_ref): Remove.
7548 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
7550 * integrate.c (expand_inline_function): Adjust.
7551 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
7553 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
7555 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
7556 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
7558 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
7560 * fixincludes (strlen,strspn,strcspn return value): Handle different
7562 (hypot): Provide a fake for hypot which is broken on
7563 m88k-motorola-sysv3.
7565 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
7567 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
7568 tree_code_name from pointers to arrays.
7569 * tree.c: Remove standard_tree_code_* variables, no longer used.
7570 * print-tree.c: Remove declaration of tree_code_name.
7572 * cp/lex.c (init_lex): Update for tree_code_* changes.
7573 * objc/objc-act.c (init_objc): Likewise.
7575 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
7578 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
7580 * config.sub: Add support for BeOS target.
7581 * configure.in: Likewise.
7582 * ginclude/stdarg.h: Likewise.
7583 * ginclude/stddef.h: Likewise.
7584 * ginclude/varargs.h: Likewise.
7585 * rs6000/beos.h: New file for BeOS.
7586 * rs6000/t-beos: Likewise.
7587 * rs6000/x-beos: Likewise.
7588 * rs6000/xm-beos.h: Likewise.
7589 * toplev.c (get_run_time): Just return 0 on BeOS.
7591 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
7592 Toon Moene (toon@moene.indiv.nluug.nl)
7594 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
7595 old and broken Sun3 assemblers. Newer versions handle large
7596 offsets correctly as does the GNU assembler.
7598 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7600 * objc/objc-act.c (lang_report_error_function): Disable.
7601 * objc/objc-parse.y: Include "output.h".
7602 (yyerror): Remove redundant decl.
7603 (yyprint): Fix prototype.
7604 (apply_args_register_offset): Remove redundant decl.
7605 (get_file_function_name): Likewise.
7607 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
7609 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
7611 (find_basic_blocks_1): Likewise.
7613 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
7615 * except.c (use_eh_context): Don't copy_rtx a REG.
7616 (emit_throw): Lose old unwinder support.
7617 (expand_internal_throw): Likewise.
7618 * libgcc2.c (struct eh_context): Likewise.
7619 (new_eh_context): Likewise.
7620 (__get_eh_info): Lose redundant cast.
7621 (__get_dynamic_handler_chain): Likewise.
7622 (__get_saved_pc): Lose.
7623 Lose all old unwinder support code.
7625 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
7627 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
7629 * integrate.c (expand_inline_function): If the inline fn uses eh
7630 context, make sure that the current fn has one.
7631 * toplev.c (rest_of_compilation): Call emit_eh_context.
7632 * except.c (use_eh_context): New fn.
7633 (get_eh_context_once): New fn.
7634 (call_get_eh_context): New fn.
7635 (emit_eh_context): New fn.
7636 (get_eh_context): Call either get_eh_context_once or
7637 call_get_eh_context, depending on what we have.
7638 (get_dynamic_handler_chain): Call get_eh_context_once.
7639 * except.h: Prototypes for fns above.
7640 * optabs.c (get_eh_context_libfunc): Removed.
7641 (init_optabs): Don't initialize it.
7642 * expr.h (get_eh_context_libfunc): Removed.
7643 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
7644 * config/pa/pa.h (CPP_SPEC): Support for -threads.
7645 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
7646 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
7647 New multilib for -threads.
7648 * config/sparc/t-sol2: Added multilibs for -threads and
7649 made -pthreads alias to it.
7650 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
7651 Added -threads and -pthreads options.
7652 * libgcc-thr.h: New file.
7653 * libgcc2.c: (__get_cpp_eh_context): Removed.
7654 (struct cpp_eh_context): Removed.
7655 (struct eh_context): Replaced cpp_eh_context with generic language
7657 (__get_eh_info): New function.
7658 (__throw): Check eh_context::info.
7660 * libgcc2.c: Include libgcc-thr.h.
7661 (new_eh_context, __get_eh_context,
7662 eh_pthread_initialize, eh_context_initialize, eh_context_static,
7663 eh_context_specific, eh_context_free): New functions.
7664 (get_eh_context, eh_context_key): New variables.
7665 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
7666 get_eh_context to get the context.
7667 (longjmp): Move the declaration inside
7668 #ifdef DONT_USE_BUILTIN_SETJMP.
7669 * frame.c: Include libgcc-thr.h.
7670 (object_mutex): Mutex to protect the object list.
7671 (find_fde, __register_frame, __register_frame_table,
7672 __deregister_frame): Hold the lock while accessing objects.
7673 * except.h (get_eh_context): Declare.
7674 * except.c (current_function_ehc): Define.
7675 (current_function_dhc, current_function_dcc): Removed.
7676 (get_eh_context): New function.
7677 (get_dynamic_handler_chain): Use get_eh_context.
7678 (get_saved_pc_ref): Ditto.
7679 (get_dynamic_cleanup_chain): Removed references to
7680 current_function_dcc.
7681 (save_eh_status, restore_eh_status): Save and restore
7682 current_function_ehc instead.
7683 * optabs.c (get_eh_context_libfunc): New variable.
7684 (init_optabs): Initialize it.
7685 * expr.h: Declare get_eh_context_libfunc.
7686 * function.h (struct function): Replaced dhc and dcc with ehc.
7687 * except.c (get_saved_pc_ref): New functions.
7688 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
7689 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
7691 (end_eh_unwinder): Likewise.
7692 (init_eh): Remove initialization of eh_saved_pc.
7693 * optabs.c (get_saved_pc_libfunc): New variable.
7694 (init_optabs): Initialize it.
7695 * expr.h: Declare get_saved_pc_libfunc.
7696 * except.h (eh_saved_pc_rtx): Deleted.
7697 (get_saved_pc_ref): Declared.
7699 From Scott Snyder <snyder@d0sgif.fnal.gov>:
7700 * libgcc2.c (__get_saved_pc): New.
7701 (__eh_type, __eh_pc): Deleted.
7702 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
7703 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
7706 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
7708 * sparc/sol2.h: Use 64 bit multiply and divide functions in
7709 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
7712 * rtl.h (global_rtl): New variable, replacing separate variables for
7714 (const_int_rtx): Now array of rtx_def, not rtx.
7715 * emit-rtl.c: Update for new rtl data structures.
7716 * genattrtab.c: Define global_rtl.
7718 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
7720 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
7723 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
7725 * crtstuff.c (__do_global_ctors): Fix typo.
7727 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
7729 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
7730 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
7732 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
7734 * rs6000.h (FUNCTION_ARG_PADDING): Define.
7735 * rs6000.c (function_arg_padding): New function.
7737 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
7739 * m68k.c: Include tree.h only once.
7741 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7743 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
7745 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
7747 * Partially cleaned up prototyping code from HJ.
7748 * tree.h: Add many prototypes.
7749 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
7750 All references changed.
7751 * rtl.h: Protect from multiple inclusions. Add many prototypes.
7753 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
7755 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
7756 string functions like strlen.
7758 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
7760 * configure.in: Check for functions getrlimit and setrlimit.
7761 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
7762 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
7764 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
7766 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
7768 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
7770 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
7773 * alpha.c (override_options): Don't know about scheduling for EV6.
7774 * alpha.md (ev5 function units): Don't overload as ev6.
7776 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
7777 * alpha.md (define_attr type): Add mvi.
7778 (ev5_e0): Define sceduling parameters for it.
7779 (TARGET_MAX insns): Type is mvi not shift.
7781 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
7783 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
7785 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7787 * cstamp-h, auto-config.h: Delete.
7789 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
7791 * version.c: Bump for snapshot.
7793 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
7795 * cccp.c: Fix typo brought over in merge.
7797 * Merge in changes from gcc-2.8.
7799 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
7801 * m68k.c: Include tree.h for dwarf2out_cfi_label.
7803 * gcc.c (process_command): Do not take address of function fatal when
7804 calling lang_specific_driver.
7806 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
7808 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
7809 doesn't work with it yet, so set it to 0.
7810 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
7812 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
7814 * cse.c (cse_insn): Check for invalid entries when taking references.
7816 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7818 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
7819 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
7820 * toplev.c (rest_of_compilation): Pass it. Remove code to
7821 save / clear / restore flag_unroll_{,all_}loops.
7823 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
7825 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
7827 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
7829 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
7831 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
7833 * except.c (get_dynamic_handler_chain): Only make the call once per
7836 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
7838 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7840 * sh.c (final_prescan_insn): Use local label prefix
7841 when emitting .uses pseudo-ops.
7843 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
7845 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
7846 * except.c: Lose outer_context_label_stack.
7847 (expand_eh_region_end): Rethrow from outer_context here.
7848 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
7849 (expand_internal_throw): Take no args.
7850 (expand_internal_throw_indirect): Lose.
7851 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
7852 (expand_start_all_catch): Start a rethrow region.
7853 (expand_end_all_catch): End it.
7854 (expand_rethrow): New fn.
7855 * except.h: Reflect above changes.
7856 * flow.c: Revert change of Nov 27.
7858 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
7860 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
7862 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
7864 * except.c (expand_fixup_region_end): New fn.
7865 (expand_fixup_region_start): Likewise.
7866 (expand_eh_region_start_tree): Store cleanup into finalization here.
7867 * stmt.c (expand_cleanups): Use them to protect fixups.
7869 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
7871 * mips/mips.md (muldi3_r4000): Broaden the output template
7872 and attribute assignments to handle three operand dmult;
7873 rename to muldi3_internal2.
7874 (muldi3): Call the new muldi3_internal2 for R4000, and
7875 any GENERATE_MULT3 chip.
7877 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
7879 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
7881 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
7883 * unroll.c (find_splittable_givs): Remove last change. Handle givs
7884 with a dest_reg that was created by loop.
7886 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
7888 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
7890 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
7892 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
7894 * configure.in: Fix NCR entries.
7896 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
7898 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
7899 nested exceptions correctly.
7901 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
7902 that was created by loop.
7904 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
7906 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
7908 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
7910 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
7912 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
7913 (print_operand): Use SMALL_DATA_REG for the register involved in
7914 small data relocations.
7915 (print_operand_address): Ditto.
7917 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
7918 -dynamic linker is not used.
7920 * rs6000.md (call insns): For local calls, use @local suffix under
7921 System V. Don't use @plt under Solaris.
7923 * rs6000.c (output_function_profiler): Put label address in r0, and
7924 store LR in 4(sp) for System V/eabi.
7926 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
7927 byte boundary, and maintain stack backchain.
7929 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
7931 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
7932 fix_truncsfdi2): Change *.
7934 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
7936 * toplev.c (main): Complain about -gdwarfn.
7938 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
7940 * dwarfout.c (output_type): If finalizing, write out nested types
7941 of types we've already written.
7943 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
7945 (patches originally from Geoffrey Keating)
7946 * rs6000.c (function_arg): Excess floating point arguments don't
7947 go into GPR registers after exhausting FP registers under the
7949 (function_arg_partial_nregs): Ditto.
7951 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
7954 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
7956 * integrate.c (output_inline_function): Just unset DECL_INLINE.
7958 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
7960 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
7963 * libgcc2.c (__throw): Initialize HANDLER.
7965 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
7967 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
7968 fix_truncsfdi2): Change *X to ?*X.
7970 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
7972 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
7974 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
7976 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
7978 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
7980 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
7982 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
7984 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
7985 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
7988 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
7990 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
7991 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
7992 gas and not using the new HP assembler.
7994 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
7996 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
7997 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
7999 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
8001 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
8002 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
8005 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
8007 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
8009 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
8011 * except.h: Add outer_context_label_stack.
8012 * except.c: Likewise.
8013 (expand_start_all_catch): Push the outer_context for the try block
8014 onto outer_context_label_stack.
8015 (expand_end_all_catch): Use it and pop it.
8017 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
8019 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
8021 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
8023 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
8025 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
8027 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
8028 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
8030 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
8032 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
8033 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
8034 __builtin_delete, and __builtin_vec_delete.
8036 * except.c (output_exception_table): Don't bother with
8039 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
8041 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
8042 is an in/out operand.
8043 (zero extended variants of stwm/stwm patterns): Similarly.
8045 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
8047 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
8049 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
8051 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
8052 (output_call_frame_info): Emit a \n after using it.
8054 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
8056 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
8058 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
8060 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
8061 (ASM_OUTPUT_DWARF_VALUE4): New macro.
8062 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
8064 (output_call_frame_info): Do not output forward label differences
8065 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
8066 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
8068 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8070 * sh.md (attribute "type"): Add nil.
8071 (movsi_ie): y/y alternative is type nil.
8072 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
8074 (movsf_ie+1): Delete.
8076 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
8078 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
8079 large_int, emit two insns instead of one splitable insn.
8080 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
8081 from cfa_temp_value, use cfa_offset. Add assert checking that
8084 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
8086 * cccp.c (deps_output): Properly quote file names for make.
8088 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
8090 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
8092 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
8094 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
8096 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
8098 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
8100 (cse_end_of_basic_block): Similarly.
8102 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
8104 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
8105 (SELECT_RTX_SECTION): Define.
8106 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
8108 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
8110 * Makefile.in (compare, compare-lean): Define $stage for each
8112 (gnucompare, gnucompare-lean): Likewise.
8114 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
8116 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
8118 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
8119 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
8121 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
8123 * dwarfout.c (byte_size_attribute): Add local var upper_bound
8124 and add case to handle STRING_TYPE.
8125 * dwarfout.c (output_string_type_die): Fix code to generate
8126 correct string length attribute for fixed length strings.
8127 Still needs support for varying length strings.
8129 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
8131 * toplev.c (get_run_time): Do something sensible for cygwin32.
8133 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
8135 * expr.c (expand_builtin_setjmp): Set
8136 current_function_has_nonlocal_label.
8137 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
8138 call-saved registers across calls.
8140 * alpha.md (exception_receiver): Remove.
8141 (nonlocal_goto_receiver_osf): New
8142 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
8143 (nonlocal_goto_receiver): New, select _osf or _vms.
8145 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
8146 keep them from being propogated to the object file.
8147 (alpha_write_linkage): Likewise.
8148 * alpha.md (call_vms): Likewise.
8149 (call_value_vms): Likewise.
8150 (unnamed osf call insns): Likewise.
8152 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
8153 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8155 * alpha.c (call_operand): Any reg is valid for WinNT.
8156 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
8157 (anon nt calls): Add 'R' alternative.
8158 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
8159 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
8161 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
8163 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
8165 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
8166 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
8167 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
8169 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
8171 * reload1.c (new_spill_reg): Improve fixed or forbidden register
8172 spill error message.
8174 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8176 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
8177 use varargs.h. Wrap header with <>, not "".
8179 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
8181 * integrate.c (save_for_inline_copying): Add return value from
8184 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
8186 * fixincludes: Be a little more restrictive on what we will
8187 substitute to replace definitions of MAXINT for HPUX.
8189 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
8191 * dbxout.c (dbxout_symbol_location): Don't assume that variables
8192 whose address is the stack or argument pointers are indirect
8195 1997-11-13 Paul Eggert <eggert@twinsun.com>
8197 * cccp.c, cpplib.c (compare_defs):
8198 Don't complain about arg name respellings unless pedantic.
8199 * cpplib.c (compare_defs): Accept pfile as new arg.
8200 All callers changed.
8202 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8204 * fold-const.c (fold_truthop): Fix bug in last change.
8206 1997-11-13 Paul Eggert <eggert@twinsun.com>
8208 Fix some confusion with IEEE minus zero.
8210 * real.h (REAL_VALUES_IDENTICAL): New macro.
8212 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
8213 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
8215 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
8216 same tree structure as 0.0.
8218 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
8219 macro instead of doing it by hand.
8221 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
8223 * v850/lib1funcs.asm: Minor whitespace changes.
8224 * v850.c: Fix minor formatting problems in many places.
8225 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
8227 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
8229 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
8230 xplus1 when xplus0 is not a register.
8232 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
8234 * flow.c (find_basic_blocks): During marking phase, if we encounter
8235 an insn with a REG_LABEL note, make the target block live and
8236 create an edge from the insn to the target block. Do not make
8237 edges from all blocks to the target block.
8239 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
8241 * confiugre.in: Tweak NCR entries.
8242 * configure: Rebuilt.
8244 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
8246 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
8247 pick apart floating point values, instead of using CONST_DOUBLE_LOW
8248 and CONST_DOUBLE_HIGH.
8250 * rs6000.md (define_splits for DF constants): Use the appropriate
8251 REAL_VALUE_* interface to pick apart DF floating point constants in
8252 a machine independent fashion.
8254 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8256 * fold-const.c (fold_truthop): When changing a one-bit comparison
8257 against zero into a comparison against mask, do a proper sign
8260 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
8262 * except.c: Do not include "assert.h".
8263 (save_eh_status): Turn asserts into conditional aborts.
8264 (restore_eh_status, scan_region): Likewise.
8265 * dwarfout.c: Do not include "assert.h".
8266 (bit_offset_attribute): Turn asserts into conditional aborts.
8267 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
8268 (output_inlined_structure_type_die): Likewise.
8269 (output_inlined_union_type_die): Likewise
8270 (output_tagged_type_instantiation): Likewise.
8271 (dwarfout_file_scope_decl): Likewise.
8272 * dwarf2out.c: Do not include "assert.h"
8273 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
8274 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
8275 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
8276 (add_bit_size_attribute, scope_die_for): Likewise.
8277 (output_pending_types_for_scope): Likewise.
8278 (get_inlined_enumeration_type_die): Likewise.
8279 (get_inlined_structure_type_die): Likewise.
8280 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
8281 (gen_tagged_type_instantiation_die): Likewise.
8283 * flow.c (find_basic_blocks): Refine further to get a more correct
8284 cfg, especially in the presense of exception handling, computed
8285 gotos, and other non-trivial cases. Call abort if an inaccuracy
8286 is detected in the cfg.
8288 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8290 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
8292 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
8293 (skip_white_space): Use whitespace_cr.
8294 (check_newline): Handle whitespace more consistently.
8296 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
8298 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
8299 * i386/xm-cygwin32.h (POSIX): Define.
8301 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
8303 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
8304 is available elsewhere.
8306 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
8308 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
8309 what the instruction can handle.
8311 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
8313 * stmt.c (expand_decl_cleanup_no_eh): New fn.
8315 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
8317 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
8319 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
8320 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
8322 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
8324 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
8325 swap instruction order.
8327 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
8329 * fixinc.svr4 (__STDC__): Add another case.
8331 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8333 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
8334 addresses in the epilogue delay slot.
8336 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
8338 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
8339 in generated `specs' file.
8341 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
8343 * flags.h (flag_rerun_loop_opt): Declare.
8344 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
8345 * toplev.c (flag_rerum_loop_opt): Delete static.
8347 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8349 Bring over from FSF:
8351 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8353 * va-sh.h (__va_arg_sh1): Define.
8355 SH3E doesn't use any integer registers for subsequent arguments
8356 once a non-float value was passed in the stack.
8357 * sh.c (machine_dependent_reorg): If optimizing, put explicit
8358 alignment in front label for ADDR_DIFF_VEC.
8359 * sh.h (PASS_IN_REG_P): Fix SH3E case.
8360 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
8362 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8364 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
8367 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8369 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
8370 put an use_sfunc_addr before each sfunc.
8371 * sh.md (use_sfunc_addr, dummy_jump): New insns.
8372 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
8374 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8376 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
8378 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
8380 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
8383 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
8385 * alias.c (find_base_value): Only return the known base value for
8388 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
8390 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
8391 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
8393 (prologue_get_pc_and_set_got): New pattern.
8395 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
8397 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
8398 for SUBREG, just fall through.
8400 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
8402 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
8404 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
8406 * fixincludes: Fix "hypot" prototype in NeXT math.h.
8408 * Makefile.in (USE_ALLOCA): Always include alloca.o.
8409 (USE_HOST_ALLOCA): Likewise.
8411 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
8412 and LABEL_REFS fields.
8413 * rtl.h (LABEL_REFS): Update.
8415 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
8417 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
8418 sets i2dest. When calling distribute_notes for i3dest_killed, pass
8419 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
8422 * mips.md (insv, extzv, extv): Add change_address call.
8423 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
8425 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
8427 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
8429 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
8430 save_restore_insns if no FP and GP will be restored.
8432 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
8433 Convert CCmode to word_mode before calling GET_MODE_SIZE.
8435 * acconfig.h (HAVE_INTTYPES_H): Undef.
8436 * configure.in (inttypes.h): Check for conflicts between sys/types.h
8437 and inttypes.h, and verify that intmax_t is defined.
8438 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
8439 * config/mips/x-iris3: Likewise.
8441 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
8443 * alias.c (find_base_value): When copying arguments, return the
8444 tenative value for a hard register.
8446 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
8448 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
8449 (yylex): Record wide strings using target endianness, not host.
8451 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
8453 * mn10200.h (ASM_OUTPUT_BSS): Delete.
8454 (ASM_OUTPUT_ALIGNED_BSS): New macro
8455 * mn10300.h (ASM_OUTPUT_BSS): Delete.
8456 (ASM_OUTPUT_ALIGNED_BSS): New macro.
8457 * v850.h (ASM_OUTPUT_BSS): Delete.
8458 (ASM_OUTPUT_ALIGNED_BSS): New macro.
8460 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8462 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
8464 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
8466 * configure.in (sco5): Use cpio to install header files.
8468 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
8470 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
8472 * configure: Rebuild.
8474 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
8476 * i386/sco5.h: enable -gstabs once again.
8478 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
8480 * arm.c (output_move_double): Allocate 3 entries in otherops array.
8482 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
8484 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
8485 notes for sjlj exceptions too.
8486 (expand_eh_region_end): Similarly for EH_REGION_END notes.
8487 (exception_optimize): Optimize EH regions for sjlj exceptions too.
8488 * final.c (final_scan_insn): Don't output labels for EH REGION
8489 notes if doing sjlj exceptions.
8491 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
8493 * alias.c (init_alias_analysis): Handle -fno-alias-check when
8494 optimizing correctly.
8496 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
8497 or set current_function_calls_setjmp anymore.
8499 * flow.c (find_basic_blocks): If we delete the label for an
8500 exception handler, remove it from the EH label list and remove
8501 the EH_BEGIN/EH_END notes for that EH region.
8503 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
8505 * flow.c (find_basic_blocks): Generate correct flow control
8506 information when exception handling notes are present.
8508 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
8510 * dwarf2out.c (output_call_frame_info): Fix length argument
8511 to ASM_OUTPUT_ASCII.
8512 (output_die, output_pubnames, output_line_info): Likewise.
8514 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
8516 * version.c: Bump for snapshot.
8518 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
8519 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
8520 flag_debug_asm is on.
8521 (output_die, output_pubnames, output_line_info): Likewise.
8523 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
8524 and static_chain_rtx into the potential base values array if
8527 * alias.c (new_reg_base_value): New array of potential base values.
8528 (unique_id): Now file scoped static.
8529 (find_base_value, case REG): Return the value in reg_base_value
8530 array for the REG if it exists. Else, return the value from
8531 new_reg_base_value if copying args and REG is a hard register.
8532 (find_base_value, case PLUS): If either operand of the PLUS is
8533 a REG, try to get its base value. Handle base + index and
8535 (record_set): Use new_reg_base_value instead of reg_base_value.
8536 (init_alias_analysis): Allocate space for new_reg_base_value too.
8537 Rework code to iterate over the insns propagating base value
8538 information until nothing changes.
8540 * global.c (global_alloc): Free the conflict matrix after
8541 reload has finished.
8543 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
8545 * libgcc2.c (L_eh): Define __eh_pc.
8546 Replace __eh_type with generic pointer __eh_info.
8548 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
8550 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
8551 use copy_to_reg if address is not a general_operand.
8553 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8555 * profile.c (output_func_start_profiler): Clear flag_inline_functions
8556 for the duration of the call to rest_of_compilation.
8558 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
8560 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
8562 (sparc*-*-*): Recognize --with-cpu=v9.
8563 * sparc/elf.h: New file.
8564 * sparc/t-elf: New file.
8566 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
8568 * mn10300.c (const_8bit_operand): New function.
8569 (mask_ok_for_mem_btst): New funtion.
8570 * mn10300.md (btst patterns with mem operands): Use new functions
8571 to avoid creating btst instructions with invalid operands.
8573 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
8575 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
8576 are running on PowerPC Linux.
8578 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
8580 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
8581 if not previously defined.
8583 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
8585 * function.c (assign_parms): Correct mode of stack_parm if
8586 entry_parm underwent a mode conversion.
8588 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
8590 * global.c (global_alloc): Use xmalloc instead of alloca for
8591 CONFLICTS, since max_allocno * allocno_row_words alone can be more
8592 than 2.5Mb sometimes.
8594 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
8596 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
8597 DEST for the spill, adjust mode of SRC to compensate.
8599 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
8601 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
8602 since any_memory_operand() allows pseudos during reload.
8603 (reload_inhi, reload_outqi, reload_outhi): Likewise.
8605 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
8607 * m68k.md (btst patterns): Add 5200 support.
8609 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
8611 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
8612 optimizations, look inside dividend to determine if the expression
8613 can be simplified by using EXACT_DIV_EXPR.
8615 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
8618 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
8620 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
8622 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
8624 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
8626 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
8629 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
8631 * alpha.md (movqi, movhi): Make sure new insns created during reload
8632 won't need reloading themselves.
8633 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
8635 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
8637 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
8639 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
8641 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
8642 Patch from Klaus Kaempf <kkaempf@progis.de>.
8644 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
8646 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
8647 to an element in a constant string.
8649 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
8651 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
8652 bit PC-relative offset. The exception range table pointer is now in
8654 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
8655 (count_fdes, add_fdes, get_cie): Adjust.
8656 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
8659 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
8661 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
8663 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
8664 like stack_pointer_rtx.
8666 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
8668 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
8669 targets using "$@" to provide support for similar but not identical
8670 targets without having to duplicate code.
8671 (bootstrap4): New goal.
8673 * Makefile.in (compare, compare-lean, compare3): Combined to one
8674 ruleset determining actions to be performed via $@.
8675 (compare4, compare4-lean): New targets.
8676 (gnucompare, gnucompare3): Combined to one ruleset determining
8677 actions to be performed via $@. Also, note which files failed
8678 the comparison test in .bad_compare.
8679 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
8681 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
8683 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
8684 if the dividend is a multiple of the divisor.
8686 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
8688 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
8690 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
8693 * alias.c (true_dependence): Fix typo.
8695 * toplev.c (flag_rerun_loop_opt): New variable.
8696 (f_options): Handle -frerun-loop-opt.
8697 (rest_of_compilation): If -frerun-loop-opt, then run the loop
8699 (main): Enable -frerun-loop-opt by default for -O2 or greater.
8701 * loop.c (simplify_giv_expr): Adding two invariants results
8704 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
8706 * expr.c (get_inner_reference): Remove the array bias after
8707 converting the index to Pmode.
8709 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
8711 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
8712 (TARGET_MULT_BUG): Define.
8713 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
8714 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
8716 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
8718 * mn10200.c (indirect_memory_operand): Delete unused function.
8719 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
8720 * mn10200.md (bset, bclr insns): Handle output in a reg too.
8722 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
8724 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
8725 the callee's ldgp, we must do it ourselves, and we use the jsr tag
8726 for more than scheduling.
8728 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
8730 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
8732 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
8734 * mn10300.c (symbolic_operand, legitimize_address): New functions.
8735 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
8736 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
8738 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
8740 * version.c: Bump for snapshot.
8742 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8744 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
8747 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
8749 * toplev.c (flag_exceptions): Default value is 2.
8750 (compile_file): If flag_exceptions still has the value 2, then
8753 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
8754 (rs6000_save_machine_status): Save pic_offset_table_rtx.
8755 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
8757 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
8760 * rs6000.md (*movsi_got_internal_mem): New pattern.
8761 (*movsi_got_internal_mem splitter): New define_split.
8763 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
8765 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
8767 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
8769 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
8770 only need to save LR.
8772 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
8774 * mn10300.md (movqi, movhi): Avoid using address registers as
8775 destinations unless absolutely necessary.
8777 * mn10200.c (expand_prologue): Fix typo.
8779 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
8781 * mn10200.md (neghi2): Provide an alternative which works if
8782 the input and output register are the same.
8784 * mn10300.c (print_operand): Handle 'S'.
8785 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
8786 shift amount in last alternative
8788 * mn10300.c (expand_epilogue): Rework to handle register restores
8789 in "ret" and "retf" instructions correctly.
8791 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
8793 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
8794 extzv for memory operands.
8796 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
8797 redundant conditional moves to single operand.
8799 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
8801 * v850.h: Move define of __v850__ from CPP_PREDEFINES
8804 * xm-v850.h: Use __v850 rather than __v850__ to
8807 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
8809 * mips/mips.c (compute_frame_size): Not a leaf function if
8812 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
8814 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
8816 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
8818 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
8819 (DEFAULT_ARCH32_P): New macro.
8820 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
8821 (enum cmodel): Declare.
8822 (sparc_cmodel_string,sparc_cmodel): Declare.
8823 (SPARC_DEFAULT_CMODEL): Provide default.
8824 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
8825 (TARGET_FULLANY): Deleted.
8826 (TARGET_CM_MEDMID): New macro.
8827 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
8828 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
8829 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
8830 (CPP_SPEC): Rewrite.
8831 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
8832 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
8833 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
8834 (ASM_SPEC): Add %(asm_arch).
8835 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
8836 Rename asm_default to asm_cpu_default.
8837 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
8838 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
8839 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
8840 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
8841 (MASK_INT64,MASK_LONG64): Delete.
8842 (MASK_ARCH64): Renamed to MASK_64BIT.
8843 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
8844 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
8845 (TARGET_SWITCHES): Always provide 64 bit options.
8846 (ARCH64_SWITCHES): Delete.
8847 (TARGET_OPTIONS): New option -mcmodel=.
8848 (INT_TYPE_SIZE): Always 32.
8849 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
8850 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
8851 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
8852 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
8853 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
8855 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
8856 * sparc/linux.h: Likewise.
8857 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
8858 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
8859 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
8860 (SPARC_DEFAULT_CMODEL): Define.
8861 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
8862 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
8863 (LONG_DOUBLE_TYPE_SIZE): Define.
8864 (ASM_SPEC): Add %(asm_arch).
8865 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
8866 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
8867 (TARGET_CPU_DEFAULT): Add ultrasparc case.
8868 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
8869 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
8870 (SPARC_DEFAULT_CMODEL): Define.
8871 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
8872 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
8873 MASK_LONG64, MASK_MEDANY.
8874 (SPARC_DEFAULT_CMODEL): Define.
8875 (CPP_PREDEFINES): Delete.
8876 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
8877 (ASM_SPEC): Add %(asm_arch).
8878 (LONG_DOUBLE_TYPE_SIZE): Define.
8879 (DWARF2_DEBUGGING_INFO): Define.
8880 * sparc/splet.h (CPP_SPEC): Delete.
8881 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
8882 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
8883 (BLOCK_PROFILER): Likewise.
8884 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
8885 (sparc_override_options): Handle code model selection.
8886 (sparc_init_expanders): Renamed from sparc64_init_expanders.
8887 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
8888 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
8889 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
8890 (sethi_di_fullany): Delete.
8892 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
8893 Jeff Law <law@cygnus.com>
8894 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8896 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
8897 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
8898 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
8899 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
8900 * alpha/alpha.md (arg_home): Likewise.
8902 * alpha/alpha.c (vmskrunch): Delete
8903 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
8904 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
8905 truncate to 64 characters.
8907 * make-l2.com: Support openVMS/Alpha.
8909 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
8911 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8913 * longlong.h (count_leading_zeros): Add missing casts to USItype.
8915 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
8917 * i386/bsd386.h (ASM_COMMENT_START): Define.
8919 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
8921 * tree.c (restore_tree_status): Also free up temporary storage
8922 when we finish a toplevel function.
8923 (dump_tree_statistics): Print stats for backend obstacks.
8925 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
8927 * expr.c (use_group_regs): Don't call use_reg for MEMs.
8929 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
8931 * libgcc2.c (__throw): Don't copy the return address.
8932 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
8934 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
8935 * toplev.c (main): Initialize exceptions_via_longjmp.
8937 * tree.c: Add extra_inline_obstacks.
8938 (save_tree_status): Use it.
8939 (restore_tree_status): If this is a toplevel inline obstack and we
8940 didn't want to save anything on it, recycle it.
8941 (print_inline_obstack_statistics): New fn.
8942 * function.c (pop_function_context_from): Pass context to
8943 restore_tree_status.
8944 * obstack.h (obstack_empty_p): New macro.
8946 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
8948 * i386/freebsd.h (ASM_COMMENT_START): Fix.
8950 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
8952 * v850.c (ep_memory_offset): New function.
8953 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
8955 * v850.h (CONST_OK_FOR_*): Add and correct comments.
8956 (CONSTANT_ADDRESS_P): Add comment.
8957 (EXTRA_CONSTRAINT): Define 'U'.
8958 * v850.md: Add comments on bit field instructions.
8959 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
8960 (lshrsi3): Use N not J constraint.
8962 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
8964 * v850.c (reg_or_0_operand): Call register_operand.
8965 (reg_or_int5_operand): Likewise.
8966 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
8967 (TARGET_SWITCHES): Add "big-switch".
8968 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
8969 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
8970 (CASE_DROPS_THROUGH): Comment out.
8971 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
8972 * v850.md (cmpsi): Delete compare mode.
8973 (casesi): New pattern.
8975 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
8976 * v850.md (ashlsi3): Use SImode not QImode for shift count.
8977 (lshrsi3): Likewise.
8979 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
8980 unreachable switch statement after 'b' support. Remove "b" from
8981 strings for 'b' support.
8982 * v850.md (branch_normal, branch_invert): Change %b to b%b.
8984 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
8986 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
8987 empty line if @inhibit_libc@ is empty.
8989 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
8991 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
8992 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
8993 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
8994 (DWARF2_UNWIND_INFO): Let this track object file format.
8995 (EXTRA_SECTIONS): Add in_eh.
8996 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
8997 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
8999 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
9001 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
9002 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
9004 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
9005 (output_double_int): Output DI mode values correctly when
9006 HOST_BITS_PER_WIDE_INT is 64.
9007 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
9008 fmovd so it works if a quad float ends up in one of the upper 32
9010 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
9011 necessary for PIC support on sparc64.
9013 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
9015 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
9016 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
9017 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
9018 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
9019 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
9020 (SPARC_FP_ARG_FIRST): New macro.
9021 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
9022 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
9023 (NPARM_REGS): There are 32 fp argument registers now.
9024 (FUNCTION_ARG_REGNO_P): Likewise.
9025 (FIRST_PARM_OFFSET): Update to new v9 abi.
9026 (REG_PARM_STACK_SPACE): Define for arch64.
9027 (enum sparc_arg_class): Delete.
9028 (sparc_arg_count,sparc_n_named_args): Delete.
9029 (struct sparc_args): Redefine and use for arch32 as well as arch64.
9030 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
9031 (FUNCTION_ARG_ADVANCE): Rewrite.
9032 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
9033 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
9034 (FUNCTION_ARG_CALLEE_COPIES): Delete.
9035 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
9036 (STRICT_ARGUMENT_NAMING): Define.
9037 (doublemove_string): Declare.
9038 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
9039 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
9040 (doublemove_string): New function.
9041 (output_move_quad): Clean up some of the arch64 support.
9042 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
9043 Don't add 8 bytes of reserved space if arch64.
9044 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
9045 (init_cumulative_args): New function.
9046 (function_arg_slotno): New static function.
9047 (function_arg,function_arg_partial_nregs): New functions.
9048 (function_arg_{pass_by_reference,advance}): New functions.
9049 (function_arg_padding): New function.
9050 * ginclude/va-sparc.h: Rewrite v9 support.
9052 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
9054 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
9055 for hard regs to determine base and index registers.
9057 * reload.c (debug_reload_to_stream): New function. Specify stream
9058 into which to write debug info.
9059 (debug_reload): Modify to call debug_reload_to_stream with stderr.
9061 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
9063 * combine.c (can_combine_p): Don't combine with an asm whose
9064 output is a hard register.
9066 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
9068 * c-decl.c (start_struct): Ensure that structs with forward
9069 declarations are in fact packed when -fpack-struct is given.
9071 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
9072 we are packing a structure. This allows a structure with only
9073 bytes to be aligned on a byte boundary and have no padding on a
9076 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9078 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
9080 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
9082 * alpha.c (alpha_return_addr_rtx): New variable.
9083 (alpha_save_machine_status): New; save it.
9084 (alpha_restore_machine_status): New; restore it.
9085 (alpha_init_expanders): New; clear it.
9086 (alpha_return_addr): New; set it.
9087 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
9088 is overly conservative, so search the insns explicitly.
9089 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
9090 (alpha_sa_size [VMS && !VMS]): Likewise.
9091 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
9092 (INIT_EXPANDERS): New definition.
9094 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
9095 (output_prolog [!VMS]): Use them.
9097 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
9098 (alpha_does_function_need_gp): ... a new function. Refine the
9099 CALL_INSN test to just TYPE_JSR.
9100 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
9102 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
9104 * version.c: Bump for snapshot.
9106 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9108 * pa.c (move_operand): Respect -mdisable-indexing.
9109 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
9111 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
9113 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
9115 (umulsidi3,umulsi3_highpart): Ditto.
9116 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
9118 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
9120 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
9121 (alpha_handle_trap_shadows): ... a new function. Handle the entire
9122 function in one go. Emit RTL for trapb, instead of printf directly.
9123 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
9124 (trap_pending): Kill global variable.
9125 (output_epilog): Don't call final_prescan_insn.
9126 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
9127 * alpha.h (FINAL_PRESCAN_INSN): Remove.
9128 (MACHINE_DEPENENT_REORG): Define.
9129 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
9132 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
9134 Tune Haifa scheduler for Alpha:
9135 * alpha.h (ISSUE_RATE): Define.
9136 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
9137 EV4 adjustments to EV5.
9138 * alpha.md: Remove all scaling from function unit delays. Rework
9139 EV5 function units to match the CPU.
9140 (umuldi3_highpart): EV5 added the IMULH insn class.
9142 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
9144 * pa.c (following_call): Fail if the CALL_INSN is an indirect
9147 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
9149 * cplus-dem.c (demangle_signature): Don't look for return types on
9150 constructors. Handle member template constructors.
9152 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
9154 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
9155 * tree.h: Declare them.
9157 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
9159 * configure.in: Handle --with-newlib.
9160 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
9162 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
9164 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
9166 * config/ptx4.h: Fix typo.
9168 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
9170 * version.c: Bump for snapshot.
9172 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
9174 * aclocal.m4: Substitute INSTALL.
9175 * configure: Re-built.
9177 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
9179 * integrate.c (save_for_inline_copying): Avoid undefined pointer
9181 (expand_inline_function): Likewise.
9183 * dwarf2out.c (output_call_frame_info): Reinstate last change
9184 using flag_debug_asm check instead of flag_verbose_asm.
9186 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
9188 * dwarf2out.c (output_call_frame_info): Remove last change.
9190 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9192 * frame.c (__frame_state_for): Execute the FDE insns until the
9193 current pc value is strictly bigger than the target pc value.
9195 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
9197 * regclass.c (init_reg_modes): If we can't find a mode for the
9198 register, use the previous one.
9200 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
9202 * haifa-sched.c (print_block_visualization): Call fprintf directly,
9203 don't sprintf through an alloca'ed buffer.
9205 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
9207 * reload.c (decompose): Always initialize val.base.
9209 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
9211 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
9212 instead of aborting.
9213 * dwarf2out.c (output_call_frame_info): Call app_enable and
9214 app_disable to let GNU as accept the generated comments.
9216 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
9218 * tree.h (get_file_function_name): Add declaration.
9219 * dwarf2out.c (output_call_frame_info): No need to cast
9220 get_file_function_name call anymore.
9221 * profile.c (toplevel): Remove get_file_function_name
9223 * c-lang.c (finish_file): Ditto.
9225 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
9227 * Makefile.in (program_transform_name): Let autoconf substitute
9230 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
9232 * haifa-sched.c (schedule_block): If the first real insn in a
9233 block has any special notes attached to it, remove them.
9235 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
9237 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
9239 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
9241 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
9243 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
9245 * Makefile.in (check-g77): New test target.
9246 (CHECK-TARGETS): Add check-g77.
9248 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
9250 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
9252 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
9254 * flow.c (print_rtl_with_bb): Cast alloca return value for
9257 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
9259 * i386.h (RETURN_ADDR_RTX): New definition that works for
9260 __builtin_return_address(0) and -fomit-frame-pointer.
9262 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
9264 Bring over from FSF.
9265 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
9267 * mips.c (function_arg): Handle passing a struct
9268 containing a double in a DFmode register without the PARALLEL.
9270 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
9272 * pexecute.c: Use spawn if __CYGWIN32__.
9274 * pexecute.c: Include "config.h" first, as per autoconf manual
9275 (from Paul Eggert <eggert@twinsun.com>).
9277 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
9279 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
9280 optimisation for f/expr.o and f/stb.o.
9282 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
9284 * cse.c (this_insn_cc0_mode): Initialize.
9286 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
9288 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
9290 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
9292 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
9294 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
9295 that pair will dual-issue on the 21164 and plus+beq won't.
9296 (bne): Likewise for cmpeq+beq.
9298 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
9300 * except.c (find_exception_handler_labels): Correct argument to free.
9302 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
9304 * except.c (find_exception_handler_labels): Free LABELS when we're
9307 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
9309 * version.c: Bump for snapshot.
9311 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
9313 * flow.c (find_basic_blocks): Mark calls as potentially jumping
9316 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
9318 * configure.in: Substitute for "install" too.
9319 * configure: Rebuilt.
9321 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
9323 * Makefile.in (bootstrap-lean, compare-lean): New targets.
9325 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
9327 * alias.c (base_alias_check): Two symbols can conflict if they
9328 are accessed via AND.
9329 (memrefs_conflict_p): Likewise.
9331 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
9332 after flushing argument registers to the stack.
9334 * Makefile.in (mostlyclean): Remove .regmove files.
9336 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
9338 * libgcc2.c (__throw): Fix thinko.
9340 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
9342 * cplus-dem.c (demangle_template): Add new parameter. Handle new
9343 template-function mangling.
9344 (consume_count_with_underscores): New function.
9345 (demangle_signature): Handle new name-mangling scheme.
9347 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
9349 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
9352 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
9354 * frame.c: Remove last change.
9355 * dwarf2.h: Remove last change.
9356 * tree.h: Add declarations of DWARF2 unwind info support
9359 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
9361 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
9362 * tree.h (built_in_function): Likewise.
9363 * expr.c (expand_builtin): Likewise.
9364 * except.h: Likewise.
9365 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
9366 * libgcc2.c (copy_reg): New fn.
9369 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
9371 * c-typeck.c (build_binary_op): Warn about comparing signed vs
9372 unsigned if -W is specified and -Wno-sign-compare is not.
9373 * c-decl.c (warn_sign_compare): Initialize to -1.
9374 (c_decode_option): -Wall no longer implies -Wsign-compare.
9376 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9378 * frame.c: Include gansidecl.h for PROTO.
9379 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
9380 defined. Don't declare dwarf2out_cfi_label here.
9381 * dwarf2.h: Add declarations of DWARF2 unwind info support
9383 * m68k.c: Include dwarf2.h.
9384 (output_function_prologue): Add dwarf2 support.
9385 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
9386 (INCOMING_FRAME_SP_OFFSET): Likewise.
9388 * integrate.c (expand_inline_function): Make sure there is at
9389 least one insn that can be used as an insertion point.
9391 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
9393 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
9395 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
9397 * version.c: Bump for snapshot.
9399 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
9401 Bring over from FSF.
9403 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
9405 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
9406 (get_pc_via_rdpc): Renamed from get_pc_sp64.
9407 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
9409 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
9411 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
9412 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
9414 (sparc_align_{loops,jumps,funcs}_string): Declare.
9415 (sparc_align_{loops,jumps,funcs}): Declare.
9416 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
9417 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
9418 (STACK_BIAS): Define.
9419 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
9421 (SPARC_SETHI_P): New macro.
9422 (CONST_OK_FOR_LETTER_P): Use it.
9423 (ASM_OUTPUT_ALIGN_CODE): Define.
9424 (ASM_OUTPUT_LOOP_ALIGN): Define.
9425 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
9426 (sparc_align_{loops,jumps,funcs}): New globals.
9427 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
9429 (move_operand): Use SPARC_SETHI_P.
9430 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
9432 (arith11_double_operand): Likewise.
9433 (arith10_double_operand): Likewise.
9434 (finalize_pic): Finish sparc64 support.
9435 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
9436 64 bit constants if able.
9437 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
9438 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
9440 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
9441 (get_pc_sp32): Use for sparc64 as well.
9442 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
9443 (sethi_di_sp64_const): Likewise.
9444 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
9445 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
9446 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
9448 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
9450 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
9451 * sparc/linux.h (COMMENT_BEGIN): Likewise.
9452 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
9454 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
9456 Add sparc64 linux support.
9457 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
9458 to xm_file list on 32-bit sparc-linux.
9459 * sparc/xm-sp64.h: New file.
9460 * sparc/linux64.h: New file.
9461 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
9462 Don't include xm-sparc.h.
9463 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
9464 * glimits.h (LONG_MAX): Handle sparc64.
9466 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
9468 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
9469 * sparc.h (ASM_COMMENT_START): Define.
9470 * sparc.c (output_function_prologue): Use it.
9471 (sparc_flat_output_function_{epi,pro}logue): Likewise.
9473 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
9475 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
9476 use sparc.h's copies.
9477 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
9480 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9482 * sparc.c (dwarf2out_cfi_label): Add declaration.
9483 (save_regs, output_function_prologue): Remove cast for it.
9484 (sparc_flat_{save_restore,output_function_prologue): Likewise.
9485 ({save,restore}_regs): No longer inline.
9487 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9489 * fold-const.c (make_range): Correctly handle cases of converting
9490 from unsigned to signed type.
9492 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9494 * fold-const.c (merge_ranges): Make sure that if one range is subset
9495 of another, it will always be the second range. Correct (+,-) case to
9498 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
9500 * final.c (final_end_function): Also do dwarf2 thing if
9501 DWARF2_DEBUGGING_INFO.
9502 (final_start_function): Likewise.
9504 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
9506 * expmed.c (expand_divmod): If compute_mode is not the same as
9507 mode, handle the case where convert_modes() causes op1 to no
9508 longer be a CONST_INT.
9510 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
9511 note holding get_jump_flags() calculation to all JUMP_INSNs.
9512 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
9513 * rtl.c (reg_note_name): Add new note types.
9515 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
9517 * rtlanal.c (computed_jump_p): Fix typo in last change.
9519 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9521 * loop.c (indirect_jump_in_function_p): Return 0
9524 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
9526 * rs6000/xm-rs6000.h: Fix thinko in last change.
9527 * rs6000/xm-sysv4.h: Likewise.
9529 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
9531 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
9533 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
9535 * reg-stack.c (find_blocks): Fix thinko in last change.
9537 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9539 * m68k.c (output_function_prologue): Add dwarf2 support.
9541 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
9542 INCOMING_FRAME_SP_OFFSET): New definitions.
9544 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
9546 * combine.c (try_combine): Use NULL_RTX instead of '0' where
9547 appropriate in calls to gen_rtx().
9548 * cse.c (cse_main): Likewise.
9549 * emit-rtl.c (gen_label_rtx): Likewise.
9550 * expr.c (init_expr_once): Likewise.
9551 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
9552 sched_analyze, init_rgn_data_dependences,
9553 compute_block_backward_dependences): Likewise.
9554 * sched.c (schedule_insns): Likewise.
9555 * varasm.c (immed_double_const): Likewise.
9557 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
9558 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
9560 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
9562 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
9563 (MULTILIB_DEFAULTS): Define.
9564 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
9565 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
9566 (LIBGCC_SPEC): Likewise.
9567 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
9568 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
9569 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
9570 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
9571 (EXTRA_PARTS, TAROUTOPTS): Delete.
9572 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
9573 (MULTILIB_OPTIONS): Define.
9574 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
9575 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
9577 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
9579 * version.c: Bump for snapshot.
9581 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
9583 * loop.c (loop_number): Delete function. Change all references
9584 to use uid_loop_num array.
9585 * loop.h (loop_number): Delete declaration.
9586 * unroll.c (unroll_loop): Change "loop_number" references to
9587 use uid_loop_num instead.
9589 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
9591 (loop_unroll_iter): Remove unused variable and all references.
9592 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
9593 (insert_bct): Fix minor formatting problems.
9594 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
9595 (loop_unroll_iter): Removed unused decl.
9596 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
9597 Always record the unrolling factor.
9599 * cse.c (simplify_relational_operation): Set h0u just like h0s.
9600 Similarly for h1u and h1s.
9602 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
9603 (find_basic_blocks): Use computed_jump_p to determine if a
9604 particular JUMP_INSN is a computed jump.
9605 * reg-stack.c (find_blocks): Use computed_jump_p to determine
9606 if a particular JUMP_INSN is a computed jump.
9607 * rtlanal.c (jmp_uses_reg_or_mem): New function.
9608 (computed_jump_p): Likewise.
9609 * rtl.h (computed_jump_p): Declare.
9610 * genattrtab.c (pc_rtx): Define and initialize.
9611 * loop.c (loop_optimize): Always determine if the current
9612 function has a computed jump.
9613 (indirect_jump_in_function_p): Use computed_jump_p to determine
9614 if a particular JUMP_INSN is a computed jump.
9616 * loop.c (fix_bct_param): Delete unused function.
9617 (check_bct_param): Likewise.
9619 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
9621 * frame.c (__deregister_frame): Check properly for initialized object.
9623 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9625 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
9627 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9629 * jump.c (thread_jumps): check can_reverse_comparison_p before
9630 threading a reversed-condition jump.
9632 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
9633 * haifa-sched.c (update_flow_info): Likewise.
9635 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
9637 * Makefile.in (BOOT_CFLAGS): Use -O2.
9639 * configure.in (strtoul, bsearch): Have autoconf check for these
9641 * configure, config.in: Rebuilt.
9643 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
9644 * mips/mips.h (alloca): Likewise.
9645 * rs6000/xm-rs6000.h (alloca): Likewise.
9646 * rs6000/xm-sysv4.h: Likewise.
9648 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
9650 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
9651 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
9652 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
9654 * except.c (end_eh_unwinder): Subtract 1 from return address.
9655 * libgcc2.c (__throw): Likewise.
9656 (find_exception_handler): Don't change PC here. Compare end with >.
9658 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
9660 * v850.c (compute_register_save_size): Correct register
9662 * v850.md (save_interrupt, return_interrupt): Correct
9664 * v850/lib1funcs.asm (save_interrupt): Correct register number.
9665 (return_interrupt): Use stack pointer, not element pointer.
9667 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
9669 * configure.in, configure: Make sure to create the stage* and include
9670 symbolic links in each subdirectory.
9672 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
9674 * pa.md (reload_peepholes): Don't allow addresses with side
9675 effects for the memory operand.
9677 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
9679 * libgcc2.c (find_exception_handler): Subtract one from our PC when
9680 looking for a handler, to avoid hitting the beginning of the next
9683 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
9685 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
9687 * mips/abi64.h (LONG_MAX_SPEC): Define.
9688 * mips.h (LONG_MAX_SPEC): Define.
9689 (CPP_SPEC): Include long_max_spec.
9690 (EXTRA_SPECS): Include long_max_spec.
9692 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
9694 * v850.c (construct_save_jarl): Fix thinko in last change.
9696 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
9698 * version.c: Bump for snapshot.
9700 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
9702 * libgcc2.c (find_exception_handler): Not found is -1.
9704 * integrate.c (expand_inline_function): Move expand_start_bindings
9705 after expanding the arguments.
9707 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
9709 * expr.c (expand_expr): Remove previous incorrect change.
9710 If target and slot has no DECL_RTL, then call mark_addressable
9711 again for the slot after we give it RTL.
9713 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
9715 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
9716 again for the slot after we give it RTL.
9718 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
9720 * v850.c (register_is_ok_for_epilogue,
9721 pattern_is_ok_for_epilogue, construct_restore_jr,
9722 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
9724 * v850.h (pattern_is_ok_for_prologue,
9725 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
9728 * v850.md: Replace prologue and epilogue patterns with a
9729 match_parallel pattern.
9731 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
9733 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
9734 * configure.in: Use EGCS_PROG_INSTALL.
9736 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
9738 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
9739 extern inline function.
9741 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
9743 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
9744 (concat_loc_descriptor): New function.
9745 (loc_descriptor): Call it.
9746 (add_AT_location_description): Also elide the descriptor if both
9747 halves of a CONCAT are pseudos.
9748 (add_location_or_const_value_attribute): Recognize CONCAT too.
9750 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
9752 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
9754 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
9755 out-or-range reg_offset.
9756 (output_epilog): Likewise.
9758 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
9760 * cse.c (simplify_relational_operation): If MODE specifies a
9761 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
9762 is derived from the sign bit of the low word.
9764 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
9766 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
9768 * dwarf2.h: Add DW_CFA_GNU_args_size.
9769 * frame.c (execute_cfa_insn): Likewise.
9770 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
9771 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
9772 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
9773 insn, hand it off to dwarf2out_stack_adjust.
9774 (dwarf2out_begin_prologue): Initialize args_size.
9775 * frame.h (struct frame_state): Add args_size.
9776 * libgcc2.c (__throw): Use args_size.
9777 * final.c (final_scan_insn): If we push args, hand off all insns
9778 to dwarf2out_frame_debug.
9779 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
9781 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
9782 Handle epilogue restore of SP from FP.
9783 * emit-rtl.c (gen_sequence): Still generate a sequence if the
9784 lone insn has RTX_FRAME_RELATED_P set.
9786 * frame.c (extract_cie_info): Handle "e" augmentation.
9787 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
9788 absence of UNALIGNED_*_ASM_OP.
9789 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
9790 (output_call_frame_info): Use "e" instead of "z" for augmentation.
9791 Don't emit augmentation fields length.
9792 (dwarf2out_do_frame): Move outside of #ifdefs.
9793 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
9796 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
9797 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
9798 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
9799 * sparc/sun4gas.h: New file.
9800 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
9802 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
9803 __register_frame_table and __deregister_frame.
9805 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
9807 * except.c (find_exception_handler_labels): Use xmalloc instead of
9808 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
9811 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
9813 * Makefile.in: Various changes to build info files
9814 in the object tree rather than the source tree.
9816 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
9818 * fixinc.math: New file to fix math.h on some systems.
9819 * configure.in (freebsd, netbsd): Use fixinc.math on these
9821 * configure: Rebuilt.
9823 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
9825 * regmove.c (regmove_optimize): If we end up moving the
9826 original insn due to lifetime overlaps, make sure to move
9829 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
9831 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
9833 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
9835 * haifa-sched.c (add_branch_dependences): Make each insn in
9836 a SCHED_GROUP_P block explicitly depend on the previous insn.
9838 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
9840 * except.h: Prototype dwarf2 hooks.
9843 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
9845 * configure.in (native_prefix): Delete.
9846 (mips-dec-netbsd): Don't set prefix.
9847 (*linux*): Don't set prefix.
9849 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
9851 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
9852 defined. If not defined, include <sys/varargs.h> if
9853 HAVE_SYS_VARARGS_H is defined.
9854 * configure.in: Test for varargs.h and sys/varargs.h.
9855 * configure: Regenerate with autoconf.
9856 * config.in: Regenerate with autoheader.
9858 * cpplib.c (quote_string): Cast first arg of sprintf call
9859 from "unsigned char *" to "char *".
9860 (output_line_command): Ditto.
9861 (macroexpand): Ditto.
9862 (do_line): Cast atoi arg from "unsigned char *" to "char *".
9864 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
9866 * version.c: Bump for snapshot.
9868 * Makefile.in (compare): Exit with nonzero status if there
9869 are comparison failures. Note which files failed the
9870 comparison test in .bad_compare.
9872 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9874 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
9876 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
9878 * Makefile.in (LN, LN_S): New macros, use where appropriate.
9879 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
9880 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
9881 * configure: Regenerated.
9883 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
9885 * loop.c (strength_reduce): Fix typo.
9887 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
9889 * m88k/m88k.c (struct option): Rename to struct options.
9890 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
9891 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
9892 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
9893 __DOLPHIN__ or sysV88.
9895 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
9897 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
9900 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
9902 * config.sub: Accept 'amigados' for backward compatability.
9904 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9906 * Makefile.in (testsuite/site.exp): New target.
9907 (check-gcc, check-g++): Depend on testsuite/site.exp.
9908 Don't stop for failure.
9910 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
9912 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
9913 if DWARF2_UNWIND_INFO.
9915 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
9917 Add support for exception handling using DWARF 2 frame unwind info.
9918 Currently works on SPARC and MIPS, and almost on x86.
9920 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
9921 next_stack_level, in_reg_window): Helper fns.
9922 (__throw): Implement for DWARF2_UNWIND_INFO.
9924 * expr.c (expand_builtin): Handle builtins used by __throw.
9925 * tree.h (enum built_in_function): Add builtins used by __throw.
9926 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
9927 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
9928 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
9929 (expand_builtin_extract_return_addr): Likewise.
9930 (expand_builtin_frob_return_addr): Likewise.
9931 (expand_builtin_set_return_addr_reg): Likewise.
9932 (expand_builtin_eh_stub): Likewise.
9933 (expand_builtin_set_eh_regs): Likewise.
9934 (eh_regs): Choose two call-clobbered registers for passing back values.
9936 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
9937 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
9938 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
9939 (stmp-multilib): Likewise.
9940 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
9942 * except.c: #include "defaults.h".
9943 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
9944 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
9945 (register_exception_table_p): New fn.
9946 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
9947 (end_eh_unwinder): Likewise.
9949 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
9950 call __register_frame and __deregister_frame as needed.
9951 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
9952 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
9953 EH_FRAME_SECTION_ASM_OP.
9954 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
9955 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
9956 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
9958 * dwarf2out.c (output_call_frame_info): If no support for
9959 EXCEPTION_SECTION, mark the start of the frame info with a
9961 * collect2.c (frame_tables): New list.
9962 (is_ctor_dtor): Recognise frame entries.
9963 (scan_prog_file): Likewise.
9964 (main): Pass -fno-exceptions to sub-compile. Also do collection
9965 if there are any frame entries.
9966 (write_c_file_stat): Call __register_frame_table and
9967 __deregister_frame as needed.
9968 (write_c_file_glob): Likewise.
9970 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
9971 Also require unaligned reloc support.
9972 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
9973 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
9974 * sparc/sysv4.h: Not here.
9976 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
9977 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
9978 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
9980 * libgcc2.c (L_eh): Reorganize, moving code shared by different
9981 EH implementations to the top.
9982 (find_exception_handler): Split out. Start from 0. Compare against
9984 (__find_first_exception_table_match): Use it.
9985 * except.c (output_exception_table): Don't do anything if there's
9986 no table. Don't output a first entry of zeroes.
9987 (eh_outer_context): Adjust properly.
9988 (add_eh_table_entry): Use xrealloc.
9989 * toplev.c (compile_file): Just call output_exception_table.
9991 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
9993 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
9995 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
9997 * except.c (eh_outer_context): Do masking using expand_and.
9999 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
10001 Add port done awhile ago for the ARC cpu.
10002 * arc/arc.h: New file.
10003 * arc/arc.c: New file.
10004 * arc/arc.md: New file.
10005 * arc/initfini.c: New file.
10006 * arc/lib1funcs.asm: New file.
10007 * arc/t-arc: New file.
10008 * arc/xm-arc.h: New file.
10009 * ginclude/va-arc.h: New file.
10010 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
10011 * ginclude/varargs.h: Likewise.
10012 * Makefile.in (USER_H): Add va-arc.h.
10013 * configure.in (arc-*-elf*): Recognize.
10014 * longlong.h: Add ARC support.
10016 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
10018 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
10019 when clearing non-BLKmode data.
10021 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
10023 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
10024 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
10026 * xm-m88k.h (USG): Only define if it hasn't already been defined.
10028 * Makefile.in (risky-stage1): Delete gratutious whitespace.
10030 * Makefile.in (clean): Delete libgcc1-test.
10032 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
10034 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
10036 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
10039 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10041 * dwarf2out.c (output_call_frame_info): Call named_section.
10043 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
10045 * haifa-sched.c (print_value): Fix last change.
10047 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
10049 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
10052 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
10054 * mips.c (function_prologue): Set up the CFA when ABI_32.
10056 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
10057 for dwarf2 unwind info.
10058 (output_function_prologue, sparc_flat_output_function_prologue): Same.
10060 * final.c (final_end_function): Check dwarf2out_do_frame instead
10061 of DWARF2_DEBUG for dwarf2 unwind info.
10062 (final_scan_insn): Likewise.
10063 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
10066 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
10069 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
10071 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
10073 * v850.h (ASM_SPEC): Pass on target processor.
10074 (CPP_PREDEFINES): Only define if not already specified.
10075 (TARGET_VERSION): Only define if not already specified.
10076 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
10078 (EXTRA_SWITCHES): Extra entries in the switches array.
10079 (TARGET_DEFAULT): Set default target processor.
10081 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
10083 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
10084 cases, add %# and %/, and add : to make them into extended asms.
10086 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
10088 * alias.c (init_alias_analysis): Clean up incompatible pointer
10089 type warning in bzero.
10090 * regmove.c (regmove_optimize): Ditto.
10091 * haifa-sched.c (find_rgns): Ditto.
10093 * haifa-sched.c (print_value): Clean up ptr->int cast
10096 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
10098 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
10099 * install.texi (Configurations): Ditto.
10100 * config.sub: Ditto.
10102 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
10104 * Makefile.in (sdbout.o): Depend on insn-config.h.
10106 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
10108 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
10109 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
10111 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
10113 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
10114 prologue insn, only the first elt is significant.
10115 (output_call_frame_info): For exception handling, always use 4-byte
10116 fields as specified by the dwarf2 spec.
10117 Don't skip trivial FDEs.
10119 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
10121 * version.c: Bump for snapshot.
10123 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
10125 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
10126 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
10129 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
10131 * final.c (shorten_branches): During first pass, assume worst
10132 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
10134 * Makefile.in (distclean): Remove various things left around
10135 by running the testsuite.
10137 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
10139 * configure.in (out_file): Emit definition to config.status in order
10140 to have a defined value for configure.lang.
10141 * configure: Re-built.
10143 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
10145 * configure.in: Make symlink to as-new rather than as.new. Similarly
10147 * configure: Rebuilt.
10149 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
10151 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
10153 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
10155 * sparc/sparc.md: Add ultrasparc scheduling support.
10156 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
10158 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
10160 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
10161 as initial value for real_label_map.
10162 (copy_for_inline): Likewise.
10164 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
10166 * sched.c (update_flow_info) When looking if to set found_split_dest
10167 or found_orig_dest, look at all parts of a PARALLEL.
10168 * haifa-sched.c (update_flow_info): Likewise.
10170 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
10172 * v850: New directory for v850 port.
10173 * v850/lib1funcs.asm: New file.
10174 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
10175 * ginclude/va-v850.h: New file.
10176 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
10177 * configure.in (mn10200-*-*): New target.
10178 * configure: Rebuilt.
10179 * config.sub: Handle v850-elf.
10180 * Makefile.in (USER_H): Add va-mn10200.h.
10181 * invoke.texi: Document v850 stuff.
10183 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
10185 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
10186 has integer TYPE_{MAX,MIN}_VALUE before using them.
10188 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
10189 __HPUX_ASM__ versions.
10191 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
10193 * install.sh: Delete duplicate install script.
10195 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
10197 * reg-stack.c (subst_stack_regs): Pop the stack register for a
10198 computed goto which sets the same stack register.
10200 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
10201 destination are both on the regstack.
10202 (subst_stack_regs_pat): Put the destination at the top of the regstack.
10204 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
10206 * mips.md (nonlocal_goto_receiver): Define.
10208 * profile.c (output_arc_profiler): Check next_insert_after for non
10209 NULL before deferencing it.
10211 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
10213 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
10215 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
10217 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
10219 * toplev.c (rest_of_compilation): For passes starting with
10220 flow_analysis, use print_rtl_with_bb instead of print_rtl.
10222 * print-rtl.c (print_rtl_single): Print a single rtl value to a
10225 * flow.c (print_rtl_with_bb): Print which insns start and end
10226 basic blocks. For the start of a basic block, also print the live
10229 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
10231 * toplev.c (main): Change #elif to #else/#ifdef
10233 * tlink.c: Include ctype.h.
10234 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
10236 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
10238 * bitmap.c: Conditionally include stdlib.h.
10239 (free): Provide a declaration if NEED_DECLARATION_FREE.
10241 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
10243 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
10245 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
10247 * profile.c (output_arc_profiler): Verify next_insert_after is an
10248 INSN before and after skipping a stack pop.
10250 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
10252 * final.c (shorten_branches): Don't count the lengths of deleted
10255 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
10257 * version.c: Bump for snapshot.
10259 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
10261 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
10262 two bitmaps ANDed together.
10263 (bitmap_print): Declare.
10265 * bitmap.c (function_obstack): Don't declare any more.
10266 (bitmap_obstack): Obstack for allocating links from.
10267 (bitmap_obstack_init): New static to say whether to initialize
10269 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
10270 (bitmap_release_memory): Free all memory allocated from
10273 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
10274 EXECUTE_IF_AND_IN_BITMAP.
10276 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
10278 * alias.c (true_dependence): Address with AND can alias scalars.
10279 (anti_dependence, output_dependence): Likewise.
10281 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
10283 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
10285 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
10286 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
10287 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
10288 definitions. Use -qrtems instead of -mrtems.
10290 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
10292 * xm-sco5.h (sys_siglist): Define.
10293 (SYS_SIGLIST_DECLARED): Likewise.
10295 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
10297 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
10299 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
10301 * except.c (eh_outer_context): Expand masking operation using
10304 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
10306 * alpha.md (floatdisf2-1): New pattern.
10308 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
10310 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
10311 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
10312 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
10313 * gcc.texi: Note that if you define sys_siglist that you should
10314 also define SYS_SIGLIST_DECLARED.
10316 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
10317 are relative to the next instruction, not the current instruction.
10319 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
10321 * local-alloc.c (contains_replace_regs): New function.
10322 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
10323 verify that there is no existing REG_EQUIV note, and add a call to
10324 contains_place_regs.
10326 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10328 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
10329 (STARTFILE_SPEC): Always use crtbegin.o%s
10330 (ENDFILE_SPEC): Always use crtend.o%s.
10332 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
10334 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
10336 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
10337 SFmode for 64 bit hosts.
10339 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
10341 * fixincludes: Permits spaces between # and define. Discard C++
10342 comments in sys/pci.h on HP/UX 10.20.
10344 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
10346 * version.c: Bump for snapshot.
10348 * pa.c (restore_unscaled_index_insn_codes): New function.
10349 (record_unscaled_index_insn_codes): Likewise.
10350 (output_function_prologue): Call restore_unscaled_index_insn_codes.
10351 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
10352 (pa_reorg): Call record_unscaled_index_insn_codes.
10354 * haifa-sched.c (move_insn): Handle notes correctly for insns
10355 with SCHED_GROUP_P set.
10357 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10359 * alpha/xm-linux.h (USE_BFD): Undef before define.
10361 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
10363 * cse.c (cse_insn): Don't record BLKmode values.
10365 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
10367 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
10369 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
10371 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
10372 * collect2.c (sys_errlist): Likewise.
10373 * cpplib.c (sys_errlist): Likewise.
10374 * gcc.c (sys_errlist): Likewise.
10375 * protoize (sys_errlist): Likewise.
10376 * configure.in: Check for strerror.
10377 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
10378 * xm-gnu.h (HAVE_STRERROR): Likewise.
10379 * xm-linux.h (HAVE_STRERROR): Likewise.
10380 * xm-netbsd.h (HAVE_STRERROR): Likewise.
10381 * xm-bsd386.h (HAVE_STRERROR): Likewise.
10382 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
10383 * xm-dos.h (HAVE_STRERROR): Likewise.
10384 * xm-mingw32.h (HAVE_STRERROR): Likewise.
10385 * xm-pa.h (HAVE_STRERROR): Likewise.
10386 * xm-papro.h (HAVE_STRERROR): Likewise.
10387 * xm-sysv4.h (HAVE_STRERROR): Likewise.
10388 * configure, config.in: Rebuilt.
10390 * Makefile.in: Add several missing "else true" clauses.
10392 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
10393 * mips-tfile.c: Likewise.
10394 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
10395 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
10396 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
10397 * configure.in: Check for sys_siglist declaration.
10398 * configure, config.in: Rebuilt.
10400 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
10402 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
10403 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
10404 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
10405 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
10406 * rs6000/sysv4.h (extra_subtarget_switches): Added new
10407 macro EXTRA_SUBTARGET_SWITCHES.
10408 * configure.in (sh*-*-rtems*): New target.
10409 * sh/rtems.h: New file.
10410 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
10411 * configure: Rebuilt.
10413 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
10415 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
10417 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
10419 * rs6000.md: Make DF fused-add operations pay attention to
10422 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
10424 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
10426 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
10428 * pa.md (reload_peepholes): Make sure operand is a REG before
10429 examining REGNO. Allow general registers too.
10431 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
10433 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
10435 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
10437 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
10438 to reallocate abbrev_die_table.
10440 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
10442 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
10444 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10446 * Makefile.in (config.status): Depend on version.c
10448 * expr.h (insn_gen_function): Reenable prototype.
10450 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
10453 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
10455 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
10457 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
10459 * version.c: Bump for latest snapshot.
10461 * bc-optab.c: Conditionally include stdlib.h.
10462 (free): Provide a declaration if NEED_DECLARATION_FREE.
10463 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
10464 * rtl.h (free): Remove declaration.
10465 * tree.h (free): Remvoe declaration.
10467 * configure: Rebuilt.
10469 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
10471 * flags.h (flag_move_all_movables): Declare.
10472 (flag_reduce_all_givs): Likewise.
10473 * loop.c (move_movables): Handle flag_move_all_movables.
10474 (strength_reduce): Handle flag_reduce_all_givs.
10475 * toplev.c (flag_move_all_movables): Define.
10476 (flag_reduce_all_givs): Likewise.
10477 (f_options): Add -fmove-all-movables and -freduce-all-givs.
10478 * invoke.texi: Document new options, including alias stuff that
10479 wasn't included last time.
10481 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
10483 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
10484 * t-mn10200: Ditto.
10485 * t-vxsparc: Ditto.
10486 * t-vxworks68: Ditto.
10487 * t-vxworks960: Ditto.
10490 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
10492 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
10493 if not already defined, and USE_C_ALLOCA not defined.
10495 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
10497 * config.guess: Replace with script that uses ../config.guess.
10499 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
10500 if USE_GNULIBC_1 is not defined.
10502 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
10504 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
10505 * config.guess: Recognize alpha-linux-gnulibc1.
10506 * configure.in (alpha-*-linux-gnulibc1): New target.
10507 (alpha-*-linux-gnu*): Don't build crtbegin/end.
10509 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
10511 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
10514 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
10516 * loop.c (combine_movables): Earlier insns don't match later ones.
10518 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10520 * config/linux.h (CC1_SPEC): Define it only if not defined.
10522 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
10525 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
10526 USE_GNULIBC_1 is not defined.
10528 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
10530 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
10531 as 1 if USE_GNULIBC_1 is not defined.
10533 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
10535 * reorg.c (dbr_schedule): Allow current_function_return_rtx
10536 to be something other than a REG.
10537 * function.c (expand_function_end): Fix current_function_return_rtx
10538 if it was a pseudo.
10540 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
10541 * x-netbsd: Likewise
10542 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
10543 (INSTALL_HEADERS): Delete.
10544 * x-dguxbcs: Likewise.
10545 * x-hp3bsd44: Likewise
10548 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10550 * i386.md (pop): pop increments the stack pointer.
10551 (prologue_set_stack_ptr): New pattern.
10552 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
10555 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
10557 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
10558 address where an offsettable address is required.
10560 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
10562 * loop.c (check_final_value): Don't miss a biv increment in a
10565 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
10567 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
10568 TYPE_DECL_IS_STUB instead of DECL_NAME.
10570 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10572 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
10574 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
10576 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
10578 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
10580 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
10581 (find_post_sched_live): Likewise.
10583 * haifa-sched.c (schedule_block): Remove old code to get arguments
10584 from hard regs into pseudos early.
10586 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
10588 * version.c: Bump for new snapshot.
10590 * local-alloc.c (update_equiv_regs): All the target to reject
10591 promotion of some REG_EQUAL to REG_EQUIV notes.
10592 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
10594 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
10597 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
10598 store of the argument registers.
10600 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
10602 * fold-const.c (multiple_of_p): New function.
10603 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
10605 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
10607 * expr.h (insn_gen_function): Temporarily remove prototype.
10609 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
10611 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
10612 filenames. Use sed to extract base filename for install.
10614 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
10616 * unroll.c (find_splittable_givs): Only share if two givs have the
10617 same add and multiply values.
10619 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
10621 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
10622 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
10624 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
10626 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
10627 around branch tables.
10628 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
10629 and .end_brtab directives if TARGET_GAS.
10631 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
10633 * alias.c (true_dependence): Pass x_addr not x to varies.
10635 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
10636 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
10637 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
10639 * config.in, configure: Regenerate.
10641 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
10643 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
10645 (record_set): Handle LO_SUM like PLUS.
10646 (init_alias_analysis): When following chains of base addresses,
10647 do not stop on reaching a hard register.
10649 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
10651 * version.c: Bump for new snapshot.
10653 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
10655 * alpha.h (ARCH_ASM_FILE_START): Define.
10656 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
10657 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
10659 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
10661 * Makefile.in (install-common): Put gcov comment at start of line.
10663 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
10665 * alias.c (init_alias_analysis): When simplifying the reg_base_value
10666 array, simplify entries for hard registers too.
10668 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
10670 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
10673 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
10675 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
10676 block_stack before dereferencing it.
10678 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
10680 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
10682 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
10684 * cplus-dem.c: Add 'extern' to prepends_underscore.
10686 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
10688 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
10689 (get_issue_rate): Delete.
10690 * pa.h (ISSUE_RATE): Define.
10692 * configure.in: Turn on haifa by default for the PA.
10693 * configure: Rebuilt.
10694 * pa.c (override_options): Accept -mschedule=7200 option.
10695 (pa_adjust_cost): No longer need to scale costs for newer
10697 * pa.h (enum processor_type): Add PROCESSOR_7200.
10698 * pa.md: Revamp scheduling parameters to work better with
10699 haifa. Add scheduling parameters for the 7200.
10701 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
10703 (schedule_block): When adjusting basic_block_{head,end}, account
10704 for movement of SCHED_GROUP_P insns too.
10706 * haifa-sched.c (debug_dependencies): Fix thinko.
10708 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
10709 (site.exp, check, check-g++, check-gcc): New targets.
10711 * haifa-sched.c: Make lots of variables static.
10713 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10715 * expr.h, real.h: Finish prototyping.
10717 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
10719 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
10720 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
10721 * reload1.c: Undo bugfix from Aug 11.
10723 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
10725 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
10726 quotes around the name.
10727 * configure: Regenerate.
10729 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
10731 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
10733 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
10735 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
10736 to sub-makes to avoid building more passes than the user might have
10737 requested on the command line.
10739 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
10741 * configure.in: Expurgate `broken_install' (install is
10744 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
10747 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
10749 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
10750 functions and declarations.
10751 (analyze_loop_iterations): Use condjump_p.
10752 (insert_bct): Likewise. Use exact_log2.
10754 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
10756 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
10757 (schedule_region): Likewise.
10758 (schedule_insns): Likewise.
10760 * PROJECTS: Update with Haifa stuff.
10762 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
10764 * version.c: Change the version string to look like:
10765 egcs-2.90.00 970814 (gcc2-970802 experimental).
10767 * loop.c (is_conditional_branch): Make definition match declaration.
10769 * gcc.c: Take out experimental snapshot warning message.
10771 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
10773 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
10774 print out the names of the notes. Print out the name of the insn
10775 that is not a note, and not an {,CALL_,JUMP_}INSN.
10777 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
10779 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
10780 again for the slot after we give it RTL.
10782 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
10784 * configure.in (haifa configury): Fix typo.
10785 * configure: Regenerate.
10787 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
10789 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
10791 * gcc.info*: Rebuilt.
10793 * COPYING.g77, README.g77: New files.
10794 * real.c (ereal_unto_float, ereal_unto_double): New functions.
10795 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
10796 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
10798 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
10800 * Integrate Haifa instruction scheduler.
10801 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
10802 to sched with $(SCHED_CFLAGS.
10803 * configure.in: Handle --enable-haifa.
10804 * configure: Rebuilt.
10805 * flags.h: Add new flags for haifa instruction scheduler.
10806 * genattrtab.c (expand_units): For haifa, don't subtract one
10807 when computing blockage.
10808 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
10809 (flag_schedule_speculative): Ditto.
10810 (flag_schedule_speculative_load): Ditto.
10811 (flag_schedule_speculative_load_dangerous): Ditto.
10812 (flag_schedule_reverse_before_reload): Ditto.
10813 (flag_schedule_reverse_after_reload): Ditto.
10814 (flag_branch_on_count_reg): Ditto.
10815 (f_options): Add Haifa switches.
10816 (main): Turn off some Haifa options if appropriate macro is
10817 defined. Process Haifa switches.
10818 * unroll.c (iteration_info): No longer static, since Haifa
10820 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
10821 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
10822 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
10823 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
10824 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
10825 storage for the Haifa scheduler.
10826 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
10828 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
10829 are defined, call analyze_loop_iterations and insert_bct to use
10831 (record_giv): Refine test for jumps out of loops if HAIFA is
10833 (analyze_loop_iterations): New function to identify if we can use
10835 (insert_bct): Insert countdown loop.
10836 (instrument_loop_bct): Low level code to insert countdown loop.
10837 (loop_number): Calculate UID of loop.
10838 (indirect_jump_in_function_p): Return true if an indirect jump is
10840 (is_power_of_2): Return true if value is a power of 2.
10841 (is_conditional_branch): Return true if insn is a conditional
10843 (fix_bct_param): Process -fbct-{min,max}-N switches.
10844 (check_bct_param): Return true if loop should be instrumented.
10845 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
10846 (loop_optimize): Initialize.
10847 (get_condition_for_loop): Ditto.
10848 * loop.c (strength_reduce): Inside of code that uses #ifdef
10849 HAVE_decrement_and_branch_on_count code, test it to make sure the
10851 (instrument_loop_bct): Ditto.
10852 * haifa-sched.c: New file.
10855 * Integrate regmove pass.
10856 * Makefile.in (OBJS): Add regmove.o
10857 (regmove.o): Add dependencies.
10858 * flow.c (find_use_as_address): No longer static.
10859 * rtl.h (find_use_as_address): Declare.
10860 * toplev.c (regmove_dump, flag_regmove): Define.
10861 (f_options): Add -fregmove.
10862 (regmove_dump_file, regmove_time): Define.
10863 (fatal_insn): Close the regmove dump file.
10864 (compile_file): Initialize regmove_time; open/close the regmove dump
10865 file as needed. Print regmove time as needed.
10866 (rest_of_compilation): Run regmove pass if requested, dump
10867 RTL after regmove if requested.
10868 (main): If -O2 or more, turn on regmove. Handle dump switches.
10869 * regmove.c: New file.
10871 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
10873 * Integrate tlink patch from jason@cygnus.com
10874 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
10875 (process_command): Increment n_switches for them. Don't discard
10876 their args. Validate them.
10877 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
10879 (process_command): Set include_prefixes from COMPILER_PATH.
10880 (main): Set COLLECT_GCC_OPTIONS sooner.
10881 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
10882 * tlink.c, hash.c, hash.h: New files.
10883 * Makefile.in (USE_COLLECT2): Always use collect2.
10884 (collect2): Depend on and link in hash.o and tlink.o.
10885 (tlink.o, hash.o): Add dependencies.
10887 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
10889 * Integrate alias analysis changes from jfc@mit.edu
10890 * Makefile.in (OBJS): Add alias.o
10891 (alias.o): Add dependencies.
10892 * alias.c: New file.
10893 * sched.c: Remove alias analysis code. It lives in alias.c now.
10894 (sched_analyze_2): Add new arguments to true_dependence.
10895 (schedule_insns): Always call init_alias_analysis.
10896 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
10897 mark return value from such functions as a pointer and keep track of
10898 them for alias analysis. If a return value from a function is a
10899 pointer, mark it as such.
10900 * combine.c (distribute_notes): Handle REG_NOALIAS.
10901 * cse.c (struct write_data): Delete. No longer needed.
10902 (invalidate): Don't call set_nonvarying_address_components anymore.
10903 Use true_dependence to decide if an entry should be removed from
10905 (invalidate_memory): Remove WRITES argument, simplify appropriately.
10907 (note_mem_written): Similarly for WRITE_PTR argument.
10908 (invalidate_from_clobbers): Similarly for W argument.
10909 (invalidate_for_call): Remove memory elements from the hash table.
10910 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
10911 (cse_rtx_varies_p): New function. Derived from old
10912 cse_rtx_addr_varies_p.
10913 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
10914 Don't call note_mem_written anymore. Stack pushes invalidate the stack
10915 pointer if PUSH_ROUNDING is defined. No longer need to call
10916 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
10917 (skipped_writes_memory): Remove variable.
10918 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
10919 (invalidate_skipped_block): Simplify for new alias analysis code.
10920 (cse_set_around_loop): Likewise.
10921 (cse_main): Call init_alias_analysis.
10922 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
10923 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
10924 (f_options): Add new alias checking arguments.
10925 (main): Set flag_alias_check when optimizing.
10926 * local_alloc (validate_equiv_mem_from_store): Add new arguments
10927 to true_dependence.
10928 (memref_referenced_p): Likewise.
10929 * loop.c (NUM_STORES): Increase to 30.
10930 (prescan_loop): Only non-constant calls set unknown_address_altered.
10931 (invariant_p): Add new arguments to true_dependence.
10932 (record_giv): Initialize unrolled and shared fields.
10933 (emit_iv_add_mult): Call record_base_value as needed.
10934 * loop.h (struct induction): Add unrolled and shared fields.
10935 * unroll.c (unroll_loop): Call record_base_value as needed.
10936 (copy_loop_body): Likewise.
10937 (final_biv_value): Likewise.
10938 (final_giv_value): Likewise.
10939 (find_splittable_regs): Likewise. Only create one new pseudo
10940 if we have multiple address GIVs that were combined with the same
10941 dst_reg GIV. Note when a new register is created due to unrolling.
10942 * rtl.c (reg_note_name): Add REG_NOALIAS.
10943 * rtl.h (enum reg_note): Similarly.
10944 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
10945 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
10946 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
10947 (true_dependence, read_dependence, anti_dependence): Likewise.
10948 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
10949 (mark_user_reg, mark_reg_pointer): Likewise.
10952 * Integrate reload bugfix from Wilon which enables the PA port
10953 to bootstrap again.
10954 * reload1.c (reload): Sum needs for both OPADDR_ADDR and
10955 OPERAND_ADDRESS when computing how many registers an insn needs.
10956 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
10958 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
10959 OPADDR_ADDR reload.
10960 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
10961 in reload_reg_use_in_op_addr do not reach the end.
10962 do not reach the end.
10963 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
10964 RELOAD_FOR_OPERAND_ADDRESS.
10966 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
10968 * egcs project officially starts.
10971 add-log-time-format: current-time-string