1 Mon Jun 15 07:16:29 PDT 1998 Jeff Law (law@cygnus.com)
3 * version.c: Bump for snapshot.
5 Sat Jun 13 13:10:40 1998 Krister Walfridsson <cato@df.lth.se>
7 * config/sparc/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Undefine before
10 Fri Jun 12 18:06:45 1998 Doug Evans <devans@egcs.cygnus.com>
12 * m32r/m32r.h (STARTFILE_SPEC): Delete crtsysc.o.
13 (ENDFILE_SPEC): Add -lgloss.
15 Fri Jun 12 14:57:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17 * mips.c (small_int): Mark parameter `mode' with ATTRIBUTE_UNUSED.
18 (large_int): Likewise.
19 (pc_or_label_operand): Likewise.
20 (call_insn_operand): Likewise.
21 (consttable_operand): Likewise.
22 (m16_uimm3_b): Likewise.
23 (m16_simm4_1): Likewise.
24 (m16_nsimm4_1): Likewise.
25 (m16_simm5_1): Likewise.
26 (m16_nsimm5_1): Likewise.
27 (m16_uimm5_4): Likewise.
28 (m16_nuimm5_4): Likewise.
29 (m16_simm8_1): Likewise.
30 (m16_nsimm8_1): Likewise.
31 (m16_uimm8_1): Likewise.
32 (m16_nuimm8_1): Likewise.
33 (m16_uimm8_m1_1): Likewise.
34 (m16_uimm8_4): Likewise.
35 (m16_nuimm8_4): Likewise.
36 (m16_simm8_8): Likewise.
37 (m16_nsimm8_8): Likewise.
38 (m16_usym8_4): Likewise.
39 (m16_usym5_4): Likewise.
40 (mips_move_1word): Change type of variable `i' from int to size_t.
41 (mips_move_2words): Likewise.
42 (output_block_move): Mark parameter `libname' with ATTRIBUTE_UNUSED.
43 (function_arg_advance): Use HOST_PTR_PRINTF to print an address.
44 (function_arg): Likewise.
45 (function_arg_partial_nregs): Mark parameter `named' with
47 (override_options): Use ISDIGIT instead of isdigit.
48 (mips_output_external): Mark parameter `file' with ATTRIBUTE_UNUSED.
49 (final_prescan_insn): Likewise for parameters `opvec' and `noperands'.
50 (save_restore_insns): Cast HOST_WIDE_INT arguments passed to
51 function `fatal' to long before printing. Use
52 HOST_WIDE_INT_PRINT_DEC in fprintf. Both changes done several
53 times in this function.
54 (function_prologue): Mark parameter `size' with ATTRIBUTE_UNUSED.
55 (function_epilogue): Likewise for parameters `file' and `size'.
56 Print an int with "%d" not "%ld".
57 (mips_select_rtx_section): Mark parameter `x' with ATTRIBUTE_UNUSED.
58 (mips_function_value): Likewise for parameter `func'.
59 (function_arg_pass_by_reference): Likewise for parameters `cum'
61 (extend_operator): Likewise for parameter `mode'
62 (highpart_shift_operator): Likewise.
64 * mips.md (mul_acc_si): Remove unused variable `macc'.
66 Fri Jun 12 09:33:44 1998 Richard Henderson <rth@cygnus.com>
68 * fold-const.c (fold): Revert last change. It breaks constant
71 Fri Jun 12 10:23:36 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
73 * expr.c (do_jump, case EQ_EXPR, NE_EXPR): When comparing complex
74 prevent operands from being evaluated twice.
76 Fri Jun 12 00:50:27 1998 Sergey Okhapkin <sos@prospect.com.ru>
78 * toplev.c (lang_options): Add -remap as a preprocessor option.
80 Fri Jun 12 00:30:32 1998 John Wehle (john@feith.com)
82 * i386.md (cmpsi_1, cmphi_1, cmpqi_1): Remove code
83 which set CC_REVERSED since reload should ensure that
84 the operands are already the correct type.
86 Thu Jun 11 17:14:15 1998 Jim Wilson <wilson@cygnus.com>
88 * except.c (expand_builtin_eh_stub): Call emit_move_insn rather than
91 Thu Jun 11 18:45:49 1998 David Edelsohn <edelsohn@mhpcc.edu>
93 * config/rs6000/x-aix43 (AR): Delete.
94 (AR_FOR_TARGET_FLAGS): Add -X32_64 here.
96 Thu Jun 11 16:19:17 1998 David W. Schuler <schuld@btv.ibm.com>
98 * config/i386/aix386ng.h (CPP_SPEC): Remove extraneous quote.
100 Thu Jun 11 12:40:27 1998 Jim Wilson <wilson@cygnus.com>
102 * mips.c (override_options): Replace word_mode with explicit
105 Thu Jun 11 14:50:02 1998 Michael Meissner <meissner@cygnus.com>
107 * regmove.c (regmove_optimize): If we can't replace the
108 destination in an insn that sets the source, generate an explicit
109 move of the source to the destination.
110 (copy_src_to_dest): New function.
111 (toplevel): Include basic-block.h
113 * Makefile.in (regmove.o): Add basic-block.h dependencies.
115 Thu Jun 11 10:30:09 1998 Dave Brolley <brolley@cygnus.com>
117 * toplev.c (lang_options): Add missing options (nostdinc, idirafter).
119 Wed Jun 10 23:39:32 1998 Mark Mitchell <mark@markmitchell.com>
121 * rtl.h (rtx_def): Improve documentation.
122 (MEM_IN_STRUCT_P): Likewise.
124 Wed Jun 10 23:23:17 1998 Graham <grahams@rcp.co.uk>
126 * c-decl.c (start_decl): Correct test for -Wmain.
128 * c-decl.c (grokdeclarator): Remove unused variable "last".
130 Wed Jun 10 14:52:27 1998 Jim Wilson <wilson@cygnus.com>
132 * expr.c (expand_builtin_setjmp): Store const1_rtx in target.
133 (expand_builtin_longjmp): Abort if value isn't const1_rtx.
134 Delete code storing value in static_chain_rtx.
135 (expand_builtin, case BUILT_IN_LONGJMP): Pass NULL_RTX for target
136 to second expand_expr call.
138 Wed Jun 10 13:08:41 1998 Mark Mitchell <mark@markmitchell.com>
140 * mips/mips.c: Remove -mabi=o32 and -mabi=n64.
142 Wed Jun 10 13:41:23 1998 Dave Brolley <brolley@cygnus.com>
144 * cppmain.c (fatal): New function.
145 * configure.in (cpp_main): New configuration variable.
146 * configure: Regenerated.
147 * Makefile.in (CCCP): Use a configuration variable to select basex
149 (cppmain$(exeext)): Add @extra_cpp_objs@.
151 Wed Jun 10 13:07:02 1998 Dave Brolley <brolley@cygnus.com>
153 * objc/objc-act.c: Add cpplib declarations.
154 (lang_decode_option): Initialize cpplib if necessary.
155 (lang_decode_option): New argc/argv interface.
156 * tree.h (lang_decode_option): New argc/argv interface.
157 * toplev.c (lang_options): Add cpp options.
158 (main): New interface for lang_decode_option.
159 * gcc.c (default_compilers): Don't call cpp for a cpplib-enabled C compiler
160 unless -E, -M or -MM is specified.
161 * cpplib.h (cpp_handle_option): New function.
162 * cpplib.c (cpp_handle_option): New function.
163 (cpp_handle_options): Now calls cpp_handle_option.
164 * c-tree.h (c_decode_option): New argc/argv interface.
165 * c-lex.c (init_parse): cpplib now initialized in c_decode_option.
166 * c-lang.c (lang_decode_option): New argc/argv interface.
167 * c-decl.c: Add cpplib declarations.
168 (c_decode_option): New argc/argv interface.
169 (c_decode_option): Call cpp_handle_option.
170 (c_decode_option): Now returns number of strings processed.
172 Wed Jun 10 09:47:13 1998 Richard Earnshaw (rearnsha@arm.com)
174 * unroll.c (verify_addresses): Use validate_replace_rtx to undo the
175 changes. Abort if the undo fails.
177 1998-06-10 Vladimir N. Makarov <vmakarov@cygnus.com>
179 * config/rs6000/rs6000.c (output_prolog): Change locations and
180 directions of saving and restoring arguments of main on the stack.
182 Wed Jun 10 08:56:27 1998 John Carr <jfc@mit.edu>
184 * reload1.c (reload_cse_simplify_operands): Do not call gen_rtx_REG
185 for each alternative. Do not replace a CONST_INT with a REG unless
188 Wed Jun 10 02:11:55 1998 Jeffrey A Law (law@cygnus.com)
190 * decl.c (init_decl_processing): Fix typo.
192 * mips.c (gpr_mode): New variable.
193 (override_options): Initialize gpr_mode.
194 (compute_frame_size): Use "gpr_mode" instead of "word_mode" to
195 determine size and offset of general purpose registers save slots.
196 (save_restore_insns, mips_expand_prologue): Similarly.
198 * reload.c (find_reloads_toplev): Use gen_lowpart common to convert
199 between constant representations when we have (SUBREG (REG)) with
200 REG equivalent to a constant.
202 Wed Jun 10 01:39:00 1998 Juha Sarlin <juha@c3l.tyreso.se>
204 * h8300.c (get_shift_alg): Add special cases for shifts of 8 and 24.
206 Tue Jun 9 22:05:34 1998 Richard Henderson <rth@cygnus.com>
208 * fold-const.c (fold): Even with otherwise constant trees, look for
209 opportunities to combine integer constants.
211 Wed Jun 3 23:41:24 EDT 1998 John Wehle (john@feith.com)
213 * i386.c (notice_update_cc): Clear cc_status.value2 in the
214 case of UNSPEC 5 (bsf).
216 * i386.md (movsfcc, movdfcc, movxfcc): The floating point
217 conditional move instructions don't support signed integer
220 Tue Jun 9 14:31:19 1998 Nick Clifton <nickc@cygnus.com>
222 * config/v850/t-v850 (TCFLAGS): Add assembler options to warn of
225 * config/v850/lib1funcs.asm (__return_interrupt): Use 'addi
226 16,sp,sp' ratehr than 'add 16,sp'. Patch courtesy of Biomedin
229 Tue Jun 9 16:23:13 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
231 * except.c (expand_start_catch): Rename to start_catch_handler.
232 (expand_end_catch): Delete function.
233 (expand_end_all_catch): Remove catch status that expand_end_catch
235 * except.h (expand_start_catch): Rename prototype.
236 (expand_end_catch): Delete prototype.
238 Tue Jun 9 12:57:32 1998 Mark Mitchell <mark@markmitchell.com>
240 * invoke.texi: Add documentation for -mips4 and -mabi=*.
242 Tue Jun 9 12:12:34 1998 Klaus Kaempf (kkaempf@progis.de)
244 * alpha/vms.h (EXTRA_SECTIONS): Add in_ctors and in_dtors.
245 (EXTRA_SECTION_FUNCTIONS): Add ctors_section and dtors_section.
246 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
248 Tue Jun 9 12:10:27 1998 John Carr <jfc@mit.edu>
250 * haifa-sched.c (update_flow_info): Use UNITS_PER_WORD, not MOVE_MAX,
251 as the threshold to permit splitting memory operations.
253 Tue Jun 9 12:36:16 1998 Jeffrey A Law (law@cygnus.com)
255 * mips.c (gpr_mode): New variable.
256 (override_options): Initialize gpr_mode.
257 (compute_frame_size): Use "gpr_mode" instead of "word_mode" to
258 determine size and offset of general purpose registers save slots.
259 (save_restore_insns, mips_expand_prologue): Similarly.
261 * Makefile.in (LIB2FUNCS_EH): Define. Just "_eh" for now.
262 (LIBGCC2_CFLAGS): Remove -fexceptions.
263 (LIB2FUNCS): Remove "_eh".
264 (libgcc2.a): Iterate over LIB2FUNCS_EH and build everything in
265 it with -fexceptions.
267 * Makefile.in (local-alloc.o): Depend on insn-attr.h.
268 * local-alloc.c (block_alloc): Avoid creating false
269 dependencies for targets which use instruction scheduling.
271 Tue Jun 9 02:40:49 1998 Richard Henderson <rth@cygnus.com>
273 * mips/elf.h (ASM_DECLARE_OBJECT_NAME): Define.
274 (ASM_FINISH_DECLARE_OBJECT): Define;
275 * mips/elf64.h: Likewise.
277 Tue Jun 9 01:08:47 1998 Richard Henderson <rth@cygnus.com>
279 * toplev.c (flag_new_exceptions): Remove extraneous `extern'.
281 Mon Jun 8 23:24:48 PDT 1998 Jeff Law (law@cygnus.com)
283 * version.c: Bump for snapshot.
285 Mon Jun 8 23:24:58 1998 David Edelsohn <edelsohn@mhpcc.edu>
287 * rs6000.md (mulsidi3): Add !TARGET_POWERPC64 constraint.
288 (mulsidi3_ppc64): Delete.
290 Mon Jun 8 20:57:40 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
292 * Makefile.in (varasm.o): Depend on dbxout.h.
293 (cse.o): Depend on toplev.h and output.h.
294 (gcse.o): Depend on output.h.
296 * mips.c: Include system.h and toplev.h and remove redundant code.
297 Include output.h after tree.h so all its prototypes get activated.
298 * mips.md (table_jump): Remove unused variable `dest'.
300 * sparc.h: Add prototype for `v8plus_regcmp_op'.
302 * crtstuff.c (fini_dummy, init_dummy): Mark function definitions
303 with __attribute__ ((__unused__)).
304 (__frame_dummy): Provide prototype before use, wrap it with
305 EH_FRAME_SECTION_ASM_OP.
307 * cse.c: Move inclusion of <setjmp.h> above local headers.
308 Include toplev.h and output.h.
310 * dbxout.h: Add prototype for `dbxout_begin_function'.
312 * final.c (final_scan_insn): Wrap variable `max_skip' in macro
313 ASM_OUTPUT_MAX_SKIP_ALIGN.
315 * gcse.c: Include system.h and output.h.
316 (dump_cuid_table, dump_rd_table, dump_cprop_data, dump_pre_data):
317 Make extern instead of static.
318 (compute_can_copy): Only declare variables `reg' and `insn' when
319 AVOID_CCMODE_COPIES is not defined.
320 (record_set_info): Mark parameter `setter' with ATTRIBUTE_UNUSED.
321 (hash_scan_clobber): Likewise for `x' and `insn'.
322 (hash_scan_call): Likewise.
323 (record_last_set_info): Likewise for `setter'.
324 (mark_call): Likewise for `pat'.
325 (pre_insert_insn): Wrap variable `note' in macro HAVE_cc0.
327 * libgcc2.c (__bb_init_prg): Replace bzero with memset and fix the
328 length parameter so that it multiplies the number of elements by
331 * output.h: Add prototype for `weak_finish'.
333 * recog.h: Likewise for `validate_replace_src'.
335 * rtl.h: Likewise for `optimize_save_area_alloca',
336 `fix_sched_param', `purge_addressof', `gcse_main',
337 `regmove_optimize', `dbr_schedule', `branch_prob' and
340 * toplev.h: Likewise for `set_float_handler' and
341 `output_quoted_string'.
343 * varasm.c: Include dbxout.h.
345 Mon Jun 8 18:12:06 1998 Jim Wilson <wilson@cygnus.com>
347 * mips.c (mips_secondary_reload_class): Use gp_reg_p instead of
348 GP_REG_P. Use gr_regs instead of GR_REGS.
350 Mon Jun 8 16:54:12 1998 Ken Raeburn <raeburn@cygnus.com>
351 Jeff Law <law@cygnus.com>
353 * Revamped multiply support for MIPS chips.
354 * mips.c (extend_operator): New function.
355 (highpart_shift_operator): Likewise.
356 * mips.h: Declare new functions.
357 (PREDICATE_CODES): Add support for new predicates.
358 * mips.md (mulsi3 expander): Simplify.
359 (mulsi_mult3): Add another constraint alternative. Support
360 3 operand multiply instructions as found on various mips
362 (mulsi3_r4650): Delete pattern, now handled by mulsi_mult3.
363 (mul_acc_si): New pattern and associated splitters.
364 (mulsidi3 expander): Rework to use mulsidi3_64bit and
366 (umulsidi3): New expander.
367 (mulsidi3_internal): Accept either sign or zero extended
368 operands and generate code as appropriate appropriately.
369 (mulsidi3_64bit): Similarly.
370 (smulsi3_highpart): Turn into an expander and generate code
371 to match new patterns.
372 (umulsi3_highpart): Likewise.
373 (xmulsi3_highpart_internal): New pattern.
374 (maddi patterns): Delete. Replace with:
375 (mul_acc_di, mul-acc_64bit_di): New patterns.
377 Mon Jun 8 14:16:15 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
379 * eh-common.h: Remove NEW_EH_MODEL compile time flag, and replace with
380 flag_new_exceptions runtime flag.
381 (struct old_exception_table): New struct which represents what
382 the exception table looks like without the new model.
383 (NEW_EH_RUNTIME): New value used as a tag in the exception table to
384 flag that this is a new style table.
385 * except.h: Remove compile time flag NEW_EH_MODEL.
386 (expand_builtin_eh_stub_old): New prototype.
387 * tree.h (enum built_in_function): Add BUILT_IN_EH_STUB_OLD.
388 * expr.c (expand_builtin): New builtin func BUILT_IN_EH_STUB_OLD.
389 * c-decl.c (init_decl_processing): Add new builtin function
390 __builtin_eh_stub_old.
391 * final.c (final_scan_insn): Replace compile time flag NEW_EH_MODEL.
392 * flags.h (flag_new_exceptions): New runtime flag.
393 * toplev.c (flag_new_exceptions): Initialize default to 0,
394 -fnew-exceptions sets to 1.
395 * except.c (output_exception_table_entry): Output New style exception
396 identifier into table, and replace compile time flag NEW_EH_MODEL
397 with runtime flag flag_new_exceptions.
398 (output_exception_table): Replace compile time flag NEW_EH_MODEL.
399 (expand_builtin_eh_stub_old): Duplicates original functionality of
400 expand_builtin_eh_stub.
401 (expand_builtin_eh_stub): Replace compile time flag NEW_EH_MODEL.
402 * libgcc2.c (find_exception_handler): Remove NEW_EH_MODEL #ifdefs.
403 (old_find_exception_handler): New func, same as find_exception_handler
404 except it works on the old style exception table.
405 (__throw): Replace NEW_EH_MODEL. Detect new model based on presence
406 of identifier in the exception table, and call appropriate routines.
408 Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com>
410 * function.c: Define current_function_cannot_inline.
411 (push_function_context_to): Save it.
412 (pop_function_context_from): Restore it.
413 * function.h (struct function): Provide it a home.
414 * output.h: Declare it.
415 * integrate.c (function_cannot_inline_p): Check it.
417 Mon Jun 8 10:43:15 1998 Richard Henderson <rth@cygnus.com>
419 * expr.c (force_operand): Detect PIC address loads before
420 splitting arithmetic.
422 Mon Jun 8 09:22:38 PDT 1998 Jeff Law (law@cygnus.com)
424 * version.c: Bump for snapshot.
426 Mon Jun 8 02:55:56 1998 Graham <grahams@rcp.co.uk>
428 * tree.c (tree_class_check): Add braces to eliminate ambigious
430 (tree_check): Likewise.
432 Mon Jun 8 02:49:23 1998 H.J. Lu (hjl@gnu.org)
434 * reg-stack.c (subst_stack_regs_pat): Make sure the top of
435 stack is the destination for conditional move insn.
437 Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com>
439 * tree.h (TREE_VEC_END): Cast unused value to void.
441 * i386.c (print_operand): Use %lx for long operand.
443 Mon Jun 8 00:04:07 1998 Richard Henderson <rth@cygnus.com>
445 * alpha.c (summarize_insn): Ignore rtl slot format 'i'.
447 Sun Jun 7 14:15:45 1998 John Carr <jfc@mit.edu>
449 * sol2.h (INIT_SUBTARGET_OPTABS): Use Solaris libc float/long long
450 conversion functions.
452 Sun Jun 7 14:02:58 1998 Richard Henderson <rth@cygnus.com>
454 * toplev.c (flag_exceptions): Default to 0.
455 (compile_file): Remove flag_exceptions == 2 hack.
456 (main): Call lang_init_options.
457 * tree.h: Declare it.
458 * c-lang.c: Implement it.
459 * objc/objc-act.c: Likewise.
461 Sun Jun 7 12:27:30 1998 David Edelsohn <edelsohn@mhpcc.edu>
463 * rs6000.md (restore_stack_block): Generate MEM and specify mode.
464 * rs6000.h (STACK_SAVEAREA_MODE): SAVE_FUNCTION is VOIDmode.
465 * rs6000.c (rs6000_output_load_toc_table): Use fputs.
466 (output_function_profiler): Use asm_fprintf and fputs.
468 Sat Jun 6 12:17:12 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
470 * gencheck.c: Remove redundant stdio.h include. Add a definition
471 of xmalloc for when we are forced to link with alloca.o.
473 * reload1.c (reload_reg_free_for_value_p): Use `(unsigned)1'
476 * fold-const.c (constant_boolean_node): Make definition static to
479 Fri Jun 5 15:53:17 1998 Per Bothner <bothner@cygnus.com>
481 * gcc.c (lang_specific_pre_link): New LANG_SPECIFIC_DRIVER function.
482 (lang_specific_extra_outfiles): New LANG_SPECIFIC_DRIVER variable.
483 (do_spec, input_filename, input_filename_length): Make public.
484 (main): Adjust outfiles allocation by lang_specific_extra_outfiles.
485 Call lang_specific_pre_link befor elinking.
487 Fri Jun 5 12:29:28 1998 Jeffrey A Law (law@cygnus.com)
489 * haifa-sched.c (rank_for_schedule): For "equally good insns", prefer
490 the insn which has the most insns dependent on it.
492 Fri Jun 5 09:03:22 1998 John Carr <jfc@mit.edu>
494 * alias.c (find_base_value): Avoid reading past end of reg_base_value.
496 Fri Jun 5 03:05:34 1998 Richard Henderson <rth@cygnus.com>
498 * alpha.md (insxh-1): New insxl pattern for combine.
500 Fri Jun 5 01:12:15 1998 H.J. Lu (hjl@gnu.org)
502 * i386/i386.c (output_fp_conditional_move): New function
503 to output floating point conditional move.
504 (output_int_conditional_move): New function to output integer
507 * i386/i386.md (movsicci+5, movhicc+5, movdicc+5): Call
508 output_int_conditional_move () to output int conditional move.
509 (movsfcc+5, movdfcc+5, movxfcc+5): Call
510 output_fp_conditional_move () to output floating point
513 * i386/i386.c (put_condition_code): In INT mode, check
514 cc_prev_status.flags & CC_NO_OVERFLOW for GE and LT.
516 Thu Jun 4 16:09:51 1998 Dave Brolley <brolley@cygnus.com>
518 * dbxout.c (dbxout_type): Output arrays of bits as if
519 they were bitstrings for Chill
521 Thu Jun 4 14:35:27 1998 David Edelsohn <edelsohn@mhpcc.edu>
523 * tree.c (get_inner_array_type): New function.
524 * tree.h (get_inner_array_type): Prototype.
525 * expr.h (STACK_SAVEAREA_MODE): New macro.
526 * expr.c (expand_builtin_setjmp): Initialize sa_mode using
528 (expand_builtin_longjmp): Likewise.
529 * explow.c (emit_stack_save): Likewise.
530 (allocate_dynamic_stack_space): Use Pmode not insn_operand_mode.
532 * rs6000/aix41.h (ASM_CPU_SPEC): Define relative to ASM_DEFAULT_SPEC.
533 (CPP_CPU_SPEC): Define relative to CPU_DEFAULT_SPEC.
534 * rs6000/aix43.h: New file.
535 * rs6000/t-aix43: New file.
536 * rs6000/x-aix41: New file.
537 * rs6000/x-aix43: New file.
538 * configure.in (rs6000-ibm-aix*): Use them.
539 * rs6000/powerpc.h: Delete.
540 * rs6000/sysv4.h: Move necessary powerpc.h definitions to here.
541 * rs6000/netware.h: and here.
542 * rs6000/win-nt.h: and here.
544 * rs6000/rs6000.c (processor_target_table, 620): Do not affect
546 (rs6000_override_options): Ignore flag_pic for AIX.
547 (rs6000_immed_double_const): Delete.
548 (u_short_cint_operand): Don't assume 32-bit CONST_INT.
549 (reg_or_u_short_operand): Don't assume 32-bit CONST_INT.
550 (num_insns_constant): mask64_operand() is 2 insns.
551 (logical_operand): Don't assume 32-bit CONST_INT.
552 (non_logical_cint_operand): Don't assume 32-bit CONST_INT.
553 (easy_fp_constant): Any CONST_DOUBLE_HIGH is okay for 64-bit.
554 (mask_constant): HOST_WIDE_INT parameter.
555 (non_and_cint_operand): Delete.
556 (mask64_operand): New function.
557 (and64_operand): New function.
558 (function_arg_advance): DImode arguments do not need special
559 alignment when 64-bit.
560 (function_arg): Likewise.
561 (setup_incoming_varargs): Reverse reg_size assignment.
562 (print_operand): HOST_WIDE_INT second parameter.
563 (print_operand, 'B'): New case.
564 (print_operand, 'M'): Fix typo in lossage string.
565 (print_operandm 'S'): New case.
566 (rs6000_stack_info): Reverse reg_size assignment. Use total_raw_size
567 to compute AIX push_p. Use reg_size to compute {cr,lr}_save_offset.
568 (rs6000_output_load_toc_table): Reverse init_ptr assignment. Use
569 TARGET_64BIT not TARGET_POWERPC64. Convert fprintf to fputs.
570 Load GOT highpart, don't add it. Add lowpart with {cal|la}.
571 (rs6000_allocate_stack_space): Use {cal|la}.
572 (output_epilog): Use {cal|la}
573 (output_function_profiler): Add call glue to mcount call.
574 Load GOT highpart, don't add it. Add lowpart with {cal|la}.
576 * rs6000/rs6000.h (TARGET_SWITCHES): Add powerpc64.
577 (STACK_BOUNDARY): Depend on TARGET_32BIT.
578 (ADJUST_FIELD_ALIGN): Calculate array alignment using innermost type.
579 (CONST_OK_FOR_LETTER_P): Don't assume 32-bit CONST_INT.
580 (EXTRA_CONSTRAINTS): Remove NT 'S' and 'T'. Replace 'S' with
582 (RS6000_SAVE_TOC): Depend on TARGET_32BIT.
583 (STACK_SAVEAREA_MODE): New macro.
584 (LEGITIMATE_CONSTANT_P): DImode okay for 64bit.
585 (LEGITIMIZE_RELOAD_ADDRESS): New macro.
586 (RTX_COSTS, AND/IOR/XOR): Reflect current machine description.
587 (ASM_FILE_START): Emit 64-bit ABI directive.
588 (ASM_DECLARE_FUNCTION_NAME): Align CSECT on doubleword in 64-bit mode.
589 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): DImode okay for 64-bit.
590 (PREDICATE_CODES): Add "and64_operand" and "mask64_operand".
591 Delete "non_and_cint_operand". "input_operand" includes CONST_DOUBLE.
593 * rs6000/rs6000.md (iorsi3, xorsi3): Use HOST_WIDE_INT for mask.
594 Restore define_splits.
595 (floatsidf2, floatunssidf2): Remove !TARGET_POWERPC64 final constraint.
596 (floatsidf2_internal, floatunssidf2_internal2): Likewise.
597 Do not specify base register operand mode.
598 (floatsidf2_loadaddr): Do not specify base register operand mode.
599 (floatsidf2_store1, floatsidf2_store2): Operand 1 must be base
600 register; do not specify mode. Remove !TARGET_POWERPC64 final
602 (floatsidf2_load): Do not specify base register operand mode. Remove
603 !TARGET_POWERPC64 final constraint.
604 (fix_truncdfsi2_internal, fix_truncdfsi2_{store,load}): Do not specify
605 base register operand mode.
606 (adddi3): Split large constants early.
607 (absdi3): Shift by 63, not 31.
608 (*mulsidi3_ppc64): New pattern.
609 (rotldi3): Add masking combiner patterns.
610 (anddi3): Add rldic{r,l} masking. Remove split of large constants
611 because PPC insns zero-extend.
612 (iordi3, xordi3): Split large constants early.
613 (movsi matcher): Remove S and T constraints.
614 (movsf const_double): create SImode constant from TARGET_DOUBLE.
615 (movdf_hardfloat32): Add default abort() case.
616 (movdf easy_fp_const): create DImode constant from TARGET_DOUBLE.
617 (movdi): Remove 64-bit constant generator. Try to convert
618 CONST_DOUBLE to CONST_INT. Handle TOC memory constants.
619 (movdi_32): Add default abort() case.
620 (movdi_64): Add numerous ways to split 64-bit constants.
621 Make catch-all define_split more optimal and never FAIL.
622 (movti_ppc64): Add default abort() case.
623 (allocate_stack): Remove operand modes. Use Pmode.
624 (restore_stack_block): Remove operand modes. Generate Pmode
626 (save_stack_nonlocal, restore_stack_nonlocal): Generate Pmode
627 temporary. Save area is double Pmode.
628 (call_indirect_aix64, call_value_indirect_aix64): New patterns.
629 (call, call_value): Do not specify address operand mode. Choose
631 (*call_local64, *ret_call_local64): New patterns.
632 (*call_nonlocal_aix64, *ret_call_nonlocal_aix64): New patterns.
633 (*ret_call_nonlocal_aix32): Use call_value_indirect for REG.
634 (compare): Materialize DImode truthvalues.
636 Thu Jun 4 01:26:57 1998 Craig Burley <burley@gnu.org>
638 * expr.c (safe_from_p): Avoid combinatorial explosion
639 over duplicate SAVE_EXPRs by ensuring we never recurse
640 on one that has already been visited.
642 Thu Jun 4 00:54:21 1998 Graham <grahams@rcp.co.uk>
644 * loop.c (check_dbra_loop): Initialise final_value before
645 normalizing the loop.
647 Wed Jun 3 20:00:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
649 * reload1.c (reload_reg_free_for_value_p): New arguments out and
650 reloadnum. Changed all callers.
652 1998-06-03 Ulrich Drepper <drepper@cygnus.com>
654 * system.h: Add _() and N_() macros in preparation for gettext.
656 Wed Jun 3 11:02:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
658 * c-common.c (check_format_info): Put back check for C9x `hh'
659 length modifier. Warn about %n format writing into const. Remove
661 (format_char_info): Fix comments.
663 * configure.in: Set float_format to m68k for all m68k targets that
664 do not override LONG_DOUBLE_TYPE_SIZE.
665 * config/float-m68k.h: New file.
667 Tue Jun 2 23:14:01 1998 Richard Henderson <rth@cygnus.com>
669 * jump.c (jump_optimize): Remove debug messages accidentally left in
670 with the previous change.
672 Tue Jun 2 22:46:08 1998 Richard Henderson <rth@cygnus.com>
674 * expr.c (store_expr): Revert stray patch associated with
677 Tue Jun 2 21:59:01 1998 Richard Henderson <rth@cygnus.com>
679 * jump.c (rtx_unsafe_p): New function.
680 (jump_optimize): Use it on if/then/else transformations and
681 conditional move transformations.
683 Tue Jun 2 22:50:10 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
685 * fold-const.c (fold, case EQ_EXPR): When folding VAR++ == CONST
686 or VAR-- == CONST construct a proper mask if VAR is a bitfield.
687 Cope with CONST being out of range for the bitfield.
689 Tue Jun 2 22:28:31 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
691 * expr.c (emit_move_insn_1): When moving complex values in several
692 steps, emit a CLOBBER to show the destination dies.
694 Tue Jun 2 22:17:26 1998 Jeffrey A Law (law@cygnus.com)
696 * Makefile.in (site.exp): Use the object testsuite directory as
697 the temporary directory.
699 * expr.c (expand_expr, case ADDR_EXPR): Handle taking the
700 address of an ADDRESSOF rtx.
702 1998-06-02 Mike Stump <mrs@wrs.com>
704 * expr.c (expand_builtin_setjmp): Handle BUILTIN_SETJMP_FRAME_VALUE.
705 * i960.h (SETUP_FRAME_ADDRESSES, BUILTIN_SETJMP_FRAME_VALUE): Define.
706 * i960.md (ret, flush_register_windows): Define.
707 (nonlocal_goto): Likewise. Nested function nonlocal gotos don't
709 * tm.texi (BUILTIN_SETJMP_FRAME_VALUE): Document new macro.
711 Tue Jun 2 14:02:38 1998 Richard Henderson <rth@cygnus.com>
713 * alpha.md (divsi3, udivsi3, modsi3, umodsi3): Enable, and work
714 around an OSF/1 library bug wrt sign-extension of inputs.
716 Tue Jun 2 13:02:44 1998 Richard Henderson <rth@cygnus.com>
718 * vax/netbsd.h (DWARF2_UNWIND_INFO): Must be undef, not defined 0.
720 Mon Jun 1 03:44:03 1998 Catherine Moore <clm@cygnus.com>
722 * config/sh/sh.h (MAX_OFILE_ALIGNMENT): Define.
724 * varasm.c (assemble_variable): Augment alignment warning.
726 Mon Jun 1 12:14:28 1998 Michael Meissner <meissner@cygnus.com>
728 * config/fp-bit.c (_fp{add,div}_parts): Return correct IEEE result
729 in the presence of IEEE negative 0's.
731 Sun May 31 16:11:41 1998 John Wehle (john@feith.com)
733 * reload.c (find_reloads): Record the existing mode if
734 operand_mode == VOIDmode before replacing a register with
736 * i386.md (tstsi, tsthi, tstqi, tstsf, tstdf, tstxf): Set
737 i386_compare_op1 to const0_rtx for the benefit of the
738 conditional move patterns.
739 (movsicc, movhicc, movsfcc, movdfcc, movxfcc, movdicc): Rewrite
740 based on suggestions from Jim Wilson.
742 Sun May 31 00:44:02 PDT 1998 Jeff Law (law@cygnus.com)
744 * version.c: Bump for snapshot.
746 Sun May 31 00:34:17 1998 Bruce Korb <korbb@datadesign.com>
748 * Makefile.in (fixinc.sh): Update rules again.
750 Sun May 31 00:27:47 1998 Jeffrey A Law (law@cygnus.com)
752 * extend.texi: Bring back reference to trampoline paper.
754 Sun May 31 00:22:34 1998 Ulrich Drepper <drepper@cygnus.com>
756 * Makefile.in (USER_H): Add stdbool.h.
757 * ginclude/stdbool.h: New file.
759 Fri May 29 01:48:25 1998 Jeffrey A Law (law@cygnus.com)
761 * jump.c (thread_jumps): Do not look at the NOTE_LINE_NUMBER
764 * gcse.c (pre_delete): Fix code to determine the mode of
765 the reaching pseudo register.
767 Fri May 29 01:07:28 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
769 * Makefile.in (GEN): Add gencheck
770 (STAGESTUFF): Add tree-check.h and gencheck.
772 Fri May 29 00:57:37 1998 Bruce Korb <korbb@datadesign.com>
774 * Makefile.in (cstamp-h.in): Remove before trying to recreate.
775 (fixinc.sh): Set some additional environment variables before
778 Thu May 28 12:57:05 1998 Jeffrey A Law (law@cygnus.com)
780 * reload.c (find_reloads): Do not force a reloads of match_operators.
782 Thu May 28 10:22:22 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
784 * except.h (remove_handler): Add new prototype.
785 * except.c (remove_handler): New function to remove handlers
786 from an exception region.
787 * flow.c (find_basic_blocks_1): Remove handlers from regions when
788 handler label is deleted; remove exception regions with no handlers.
790 Thu May 28 09:36:39 1998 Michael Meissner <meissner@cygnus.com>
792 * except.h (rtx): Define rtx type correctly if needed.
793 * function.h (rtx): Ditto.
794 (tree): Define tree type correctly if needed.
796 * c-pragma.c (toplevel): Include rtl.h.
798 * stor-layout.c (toplevel): Move include of rtl.h before
801 * Makefile.in (c-pragma.o): Add except.h, rtl.h dependencies.
802 (tree.o): Add except.h dependency.
804 Wed May 27 22:02:40 1998 Jeffrey A Law (law@cygnus.com)
806 * reload1.c: Revert accidental checkin.
808 * configure.lang: Fix thinko when adding a definition for
809 target_alias to the Makefile.
811 Wed May 27 02:50:00 1998 Catherine Moore (clm@cygnus.com)
813 * config/sparc/lb1spc.asm (.rem and .urem): Replace
816 Wed May 27 02:48:31 1998 Richard Earnshaw (rearnsha@arm.com)
818 * arm.c (arm_gen_constant): Rework to eliminate uninitialized
819 variable warnings. Don't generate scratch registers if only
821 (find_barrier): Eliminate unused variable SRC.
823 1998-05-27 Manfred Hollstein <manfred@s-direktnet.de>
825 * toplev.h (rtx_def): Provide global declaration to avoid
826 `limited scope' warnings.
828 Tue May 26 23:47:52 1998 Mumit Khan <khan@xraylith.wisc.edu>
830 * Makefile.in (gencheck.o): Use HOST_CC.
831 * i386/t-mingw32: New file.
832 * configure.in (i386-*-mingw32*): Use.
834 Tue May 26 07:31:04 1998 Richard Earnshaw (rearnsha@arm.com)
836 * arm.c (bad_signed_byte_operand): New predicate function.
837 * arm.h (PREDICATE_CODES): Add it to the list.
838 * arm.md (*extendqi[sh]i_insn): Split any addresses that ldrsb
840 (define_split): Two new splits for above insns.
842 * arm.c: Include toplev.h.
843 (arm_override_options): Add parentheses around use of tune_flags.
844 (arm_split_constant): Remove unused variable.
845 (arm_gen_constant, arm_gen_movstrqi, add_constant): Likewise.
846 (output_func_prologue, arm_expand_prologue): Likewise.
847 (arm_canonicalize_comparison): Make I unsigned; rework constants
848 accordignly. Add missing paratheses around << operation.
849 (arm_rtx_costs): Correctly parenthesise MULT costs. Add a DEFAULT
851 ({load,store}_multiple_sequence): Initialize BASE_REG.
852 (select_dominance_cc_mode): Add DEFAULT clauses.
853 (broken_move): Return zero if the destination is not a register.
854 (arm_reorg): Move unused REGNO declaration into the dead code.
855 * arm.h (CANONICALIZE_COMPARISON): Ensure OP1 is updated.
857 Mon May 25 22:49:56 PDT 1998 Jeff Law (law@cygnus.com)
859 * version.c: Bump for snapshot.
861 Mon May 25 11:56:24 PDT 1998 Jeff Law (law@cygnus.com)
863 * version.c: Bump for snapshot.
865 Mon May 25 14:00:13 1998 Dave Brolley <brolley@cygnus.com>
867 * cpperror.c (v_cpp_message): Remove static prototype.
868 * cpplib.c (v_cpp_message): Move prototype to cpplib.h.
869 * cpplib.h (v_cpp_message): Add protoptype.
870 (stdarg.h,varargs.h): Needed for v_cpp_message prototype.
872 Sun May 24 20:36:15 PDT 1998 Jeff Law (law@cygnus.com)
874 * version.c: Bump for snapshot.
876 Sun May 24 02:08:57 PDT 1998 Jeff Law (law@cygnus.com)
878 * version.c: Bump for snapshot.
880 1998-05-24 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
882 * m68k.h: Declare more functions used in macros.
883 (REG_CLASS_CONTENTS): Completely embrace initializer.
884 * m68k.md (adddi3, subdi3): Add abort call to avoid warning
885 about returning no value.
886 * cse.c (find_best_addr): Declare p and found_better only if
888 * dbxout.c (dbxout_continue): Define only if DBX_CONTIN_LENGTH > 0.
889 * dwarfout.c (string_length_attribute): #if 0 away.
890 * function.c (expand_function_end): Define varible blktramp only
892 * jump.c (find_insert_position): Define only if !HAVE_cc0.
893 * loop.c (combine_givs_p): Define variable tem only if needed.
894 * real.c: Comment out unused functions eabs, eround,
895 e{24,53,64,113}toasc and eiinfin.
898 Sat May 23 23:44:53 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
900 * Makefile.in (boostrap2-lean, bootstrap3-lean,
901 bootstrap4-lean): New targets.
903 Sat May 23 23:35:14 1998 Jeffrey A Law (law@cygnus.com)
905 * warn_summary, test_summary: Moved into the contrib directory.
907 1998-05-23 Manfred Hollstein <manfred@s-direktnet.de>
909 * Makefile.in (ENQUIRE_CFLAGS, ENQUIRE_LDFLAGS): Move down to the end
911 (FLOAT_H_TEST): Likewise.
913 (float.h-nat): Likewise.
914 (float.h-cross): Likewise.
916 (enquire.o): Likewise.
917 (stmp-int-hdrs): Fix comment about enquire; depend upon gfloat.h.
918 (stmp-headers): Move actions to stmp-int-hdrs, retaining only a
920 (FLOAT_H): Remove old float.h-nat version; move current definition
921 to CROSS_FLOAT_H location.
922 (all.cross): Remove comments about enquire stuff.
924 * Makefile.in (all.cross): Swap $(LIBGCC) and $(STMP_FIXPROTO).
925 (rest.encap): Likewise.
926 (libgcc2.ready): Depend upon $(STMP_FIXPROTO)
928 * toplev.h (tree_node): Provide global declaration to avoid
929 `limited scope' warnings.
931 Sat May 23 23:23:35 1998 Robert Lipe <robertl@dgii.com>
933 * test_summary: Display section breaks for each entry
934 in a multilibbed target's output.
936 1998-05-23 Richard Henderson <rth@cygnus.com>
938 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
939 offset's mode is not ptr_mode, convert it.
941 1998-05-22 Jason Merrill <jason@yorick.cygnus.com>
943 * fold-const.c (ssize_binop): New fn.
944 * tree.h: Declare it.
946 Fri May 22 03:42:05 1998 Richard Earnshaw (rearnsha@arm.com)
948 * genextract.c (print_path): Handle zero-length path as a special
951 Fri May 22 01:38:07 1998 Hans-Peter Nilsson <hp@axis.se>
953 * cplus-dem.c (MBUF_SIZE): Bumped from 512 to 32767.
955 Fri May 22 00:57:00 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
957 * final.c (JUMP_TABLES_IN_TEXT_SECTION): Provide a default value.
958 (shorten_branches, final_scan_insn): Test value of
959 JUMP_TABLES_IN_TEXT_SECTION instead of just testing whether it
961 * tm.texi (JUMP_TABLES_IN_TEXT_SECTION): Corresponding changes.
962 * arm/coff.h: Define JUMP_TABLES_IN_TEXT_SECTION to 1.
963 * arm/tcoff.h: Likewise.
964 * i386/386bsd.h: Likewise.
965 * i386/freebsd-elf.h: Likewise.
966 * i386/freebsd.h: Likewise.
967 * i386/netbsd.h: Likewise.
968 * i386/ptx4-i.h: Likewise.
969 * i386/sysv4.h: Likewise.
971 * rs6000/linux.h: Likewise.
972 * rs6000/rs6000.h: Likewise.
974 * sparc/sp64-elf.h: Likewise.
975 * v850/v850.h: Likewise.
976 * rs6000/sysv4.h: Define JUMP_TABLES_IN_TEXT_SECTION to 0.
977 * i386/linux.h: Define JUMP_TABLES_IN_TEXT_SECTION to (flag_pic).
979 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
981 * regmove.c (gen_add3_insn): New function.
982 (fixup_match_2): Use it instead of calling gen_addsi3.
984 Thu May 21 23:09:50 1998 Jeffrey A Law (law@cygnus.com)
986 * Makefile.in (gencheck): Depend on HOST_LIBDEPS.
988 * alias.c (rtx_equal_for_memref_p): Handle SCRATCH as a memory
991 Thu May 21 20:18:13 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
993 * Makefile.in (TREE_H): Add tree-check.h.
994 (tree-check.h, gencheck): New targets.
995 * gencheck.c: New file.
996 * tree.c (tree_check, tree_class_check): New functions.
997 * tree.h (TREE_CHECK, TREE_CLASS_CHECK): Define.
998 (TYPE_CHECK, DECL_CHECK): Define.
999 Modify all access macros to use generated checking macros.
1001 Wed May 20 23:44:28 EDT 1998 John Wehle (john@feith.com)
1003 * acconfig.h (HAVE_GAS_MAX_SKIP_P2ALIGN): New tag.
1004 * configure.in: Check for it.
1005 * i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Use it.
1006 * final.c (uid_align, uid_shuid, label_align): Make static.
1007 (label_align): Change type to struct label_alignment pointer.
1008 (LABEL_TO_ALIGNMENT, shorten_branches): Update due to type change.
1009 (LABEL_TO_MAX_SKIP): Define.
1010 (LABEL_ALIGN_MAX_SKIP, LOOP_ALIGN_MAX_SKIP,
1011 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Provide defaults.
1012 (shorten_branches): Record the maximum bytes to skip when
1014 (final_scan_insn): Use the maximum bytes to skip when aligning a label
1015 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
1016 * i386.h (LOOP_ALIGN_MAX_SKIP,
1017 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Define.
1018 * i386.c (override_options): i386_align_jumps and i386_align_loops
1019 default to 4 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
1020 * invoke.texi: Document new i386 align-loops and align-jumps behavior.
1022 1998-05-21 Mark Mitchell <mmitchell@usa.net>
1024 * cplus-dem.c (do_type): Handle volatile qualification.
1026 Thu May 21 12:23:17 1998 Per Bothner <bothner@cygnus.com>
1028 * function.c (init_function_start): Don't call emit_line_note if
1029 lineno is 0. (Can happen when compiling Java .class files.)
1031 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1033 * reload1.c (reload_reg_free_for_value_p): Fix RELOAD_FOR_INPUT
1034 end of lifetime and RELOAD_FOR_OUTPUT start of lifetime.
1036 Thu May 21 19:32:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1038 * combine.c (nonzero_bits): For paradoxical subregs, take
1039 LOAD_EXTENDED_OP into account.
1041 Thu May 21 11:51:15 1998 Dave Brolley <brolley@cygnus.com>
1043 * configure.in (extra_c_objs): add prefix.o.
1044 (extra_cxx_objs): extra objects for C++ with cpplib.
1045 * configure: Regenerate.
1047 * c-tree.h: (get_directive_line): Different prototype for cpplib.
1048 (GET_DIRECTIVE_LINE): Macro wrapper for get_directive_line.
1050 * c-lex.h: (get_directive_line): Not needed here for cpplib.
1052 * c-lex.c: (yy_cur,yy_lim,yy_get_token): Move to c-common.c.
1053 (GET_DIRECTIVE_LINE): Move to c-common.c and rename to get_directive_line.
1055 * c-common.c (parse_in,parse_options,cpp_token): Declare for cpplib.
1056 (yy_cur,yy_lim,yy_get_token,get_directive,line): Moved here from c-lex.c
1058 Thu May 21 09:04:42 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1060 * gengenrtl.c (type_from_format, accessor_from_format): Change
1061 type of parameter `c' from `char' to `int'.
1063 Wed May 20 22:28:34 1998 Jeffrey A Law (law@cygnus.com)
1065 * warn_summary, test_summary: New scripts from
1066 Kaveh Ghazi and Alexandre Oliva respectively.
1068 * gcse.c (current_function_calls_longjmp): Declare.
1070 1998-05-20 Jason Merrill <jason@yorick.cygnus.com>
1072 * dwarf2out.c (base_type_die): Use int_size_in_bytes.
1074 Wed May 20 01:11:02 1998 Doug Evans (devans@cygnus.com)
1075 Jeff Law (law@cygnus.com)
1077 * Global CSE and constant/copy propagation.
1078 * Makefile.in (OBJS): Add gcse.o
1079 (STAGESTUFF): Add *.gcse.
1080 (gcse.o): Add dependencies.
1081 (mostlyclean): Remove *.gcse and */*.gcse.
1083 * loop.c (loop_optimize): Move call to init_alias_analysis.
1084 * recog.c (validate_replace_src): New function.
1085 * toplev.c (gcse_dump): New global variable.
1086 (flag_gcse, gcse_time): Likewise.
1087 (compile_file): Initialize gcse_time and clean out the gcse dump
1089 (rest_of_compilation): Call gcse_main as requested. Dump RTL
1090 after gcse if requested.
1091 (main): Enable gcse for -O2 and above. Handle -dG. Enable gcse
1093 * gcc.texi: Add gcse related internal documentation.
1094 * invoke.texi: Note new command line options for gcse.
1095 * tm.texi: Document AVOID_CCMODE_COPIES.
1096 * mips.h (AVOID_CCMODE_COPIES): Define.
1098 Tue May 19 22:31:20 1998 Jeffrey A Law (law@cygnus.com)
1100 * Makefile.in (deduced.h): Only run scan-types if $(SYSTEM_HEADER_DIR)
1102 (stmp-fixproto): Simlarly for running fixproto.
1103 * cross-make (SYSTEM_HEADER_DIR): Now $(tooldir)/sys-include.
1105 Tue May 19 19:08:52 1998 Jim Wilson <wilson@cygnus.com>
1107 * config/mips/mips.c (double_memory_operand): Accept any MEM during
1108 reload when TARGET_64BIT.
1110 Tue May 19 18:21:25 1998 Jim Wilson <wilson@cygnus.com>
1112 Finish incomplete change started by Kenner.
1113 * configure.in (*-*-linux-gnu*): Delete NO_STAB_H from xm_defines.
1114 (powerpcle-*-cygwin32): Delete xm_defines.
1115 * final.c, mips-tfile.c, xcoffout.c, config/mips/mips.c: Use
1116 HAVE_STAB_H instead of NO_STAB_H.
1117 * config/xm-linux.h (NO_STAB_H): Delete.
1118 (HAVE_STAB_H): Undefine.
1119 * config/i386/xm-go32.h (NO_STAB_H): Delete.
1121 1998-05-19 Jim Wilson <wilson@cygnus.com>
1123 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Ignore
1124 LANG_TYPE trees with DECL_SOURCE_LINE of 0.
1126 Tue May 19 15:07:54 1998 Todd Vierling <tv@netbsd.org>
1128 * arm/netbsd.h: Ensure DWARF2_UNWIND_INFO is undefined.
1130 Tue May 19 17:19:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1132 * reload1.c (reload_reg_free_for_value_p): New function.
1133 (allocate_reload_reg, choose_reload_regs): Use it.
1135 Tue May 19 11:51:00 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
1137 * except.c (expand_start_catch): Correct logic for when to
1138 generate a new handler label, and when to use the old one.
1140 Tue May 19 11:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1142 * Makefile.in (print-rtl.o): Depend on bitmap.h.
1143 (dbxout.o): Depend on toplev.h.
1144 ($(SCHED_PREFIX)sched.o): Likewise.
1145 ($(out_object_file)): Likewise for system.h and toplev.h.
1146 (cppmain.o): Depend on gansidecl.h.
1147 (cpplib.o): Likewise.
1148 (cpperror.o): Likewise.
1149 (cppexp.o): Likewise.
1150 (cpphash.o): Likewise.
1151 (cppalloc.o): Likewise.
1152 (fix-header.o): Depend on cpplib.h and cpphash.h.
1153 (scan-decls.o): Depend on gansidecl.h.
1155 * basic-block.h (free_regset_vector): Add prototype.
1157 * cccp.c (check_precompiled): Mark parameter `fname' with
1159 (do_assert): Likewise for `op' and `keyword'.
1160 (do_unassert): Likewise.
1161 (do_line): Likewise for `keyword'.
1162 (do_error): Likewise for `op' and `keyword'.
1163 (do_warning): Likewise.
1164 (do_ident): Likewise for `keyword'.
1165 (do_pragma): Likewise for `limit', `op' and `keyword'.
1166 (do_sccs): Likewise.
1167 (do_if): Likewise for `keyword'.
1168 (do_elif): Likewise.
1169 (do_else): Likewise.
1170 (do_endif): Likewise.
1172 * collect2.c (getenv): Remove redundant prototype.
1173 (collect_exit, collect_execute, dump_file): Likewise.
1174 (dump_list): Wrap prototype and definition in COLLECT_EXPORT_LIST.
1175 (dump_prefix_list): Hide prototype and definition.
1177 * sparc.c: Include toplev.h.
1178 (intreg_operand): Mark parameter `mode' with ATTRIBUTE_UNUSED.
1179 (symbolic_memory_operand): Likewise.
1180 (sp64_medium_pic_operand): Likewise.
1181 (data_segment_operand): Likewise.
1182 (text_segment_operand): Likewise.
1183 (splittable_symbolic_memory_operand): Likewise.
1184 (splittable_immediate_memory_operand): Likewise.
1185 (eq_or_neq): Likewise.
1186 (normal_comp_operator): Likewise.
1187 (noov_compare_op): Likewise.
1188 (v9_regcmp_op): Likewise.
1189 (v8plus_regcmp_op): Likewise.
1190 (extend_op): Likewise.
1191 (cc_arithop): Likewise.
1192 (cc_arithopn): Likewise.
1193 (small_int): Likewise.
1194 (uns_small_int): Likewise.
1195 (clobbered_register): Likewise.
1196 (legitimize_pic_address): Likewise.
1197 (delay_operand): Likewise.
1198 (sparc_builtin_saveregs): Remove unused variable `stdarg'.
1200 * sparc.h (order_regs_for_local_alloc, eligible_for_return_delay,
1201 sparc_issue_rate, v8plus_regcmp_p): Add prototypes.
1203 * sparc.md (cmpdi_v8plus): Add abort for default case in switch.
1205 * cppalloc.c: Include gansidecl.h.
1207 * cpperror.c: Include stdarg.h/varargs.h and gansidecl.h.
1208 (cpp_file_line_for_message): Mark parameter `pfile' with
1210 (v_cpp_message): New function.
1211 (cpp_message): Use it. Also convert to variable arguments.
1212 (cpp_fatal): Likewise.
1213 (cpp_pfatal_with_name): Constify parameter `name'.
1215 * cppexp.c: Move gansidecl.h before cpplib.h.
1216 * cpphash.c: Likewise.
1217 * cpphash.h (hashf, delete_macro): Add prototypes.
1219 * cpplib.c: Include stdarg.h/varargs.h and move gansidecl.h before
1220 cpplib.h. Don't include errno.h.
1221 (update_path): Add arguments to prototype.
1222 (cpp_fatal, cpp_file_line_for_message, cpp_message, delete_macro,
1223 cpp_print_containing_files): Remove redundant prototypes.
1224 (cpp_hash_cleanup, add_import, append_include_chain,
1225 make_assertion, path_include, initialize_builtins,
1226 initialize_char_syntax, finclude, validate_else, comp_def_part,
1227 lookup_import, redundant_include_p, is_system_include,
1228 read_name_map, read_filename_string, open_include_file,
1229 check_macro_name, compare_defs, compare_token_lists,
1230 eval_if_expression, change_newlines): Add prototype arguments.
1231 (hashf): Remove redundant prototype.
1232 (read_token_list, free_token_list, safe_read, xcalloc, savestring,
1233 conditional_skip, skip_if_group): Add prototype arguments.
1234 (fdopen): Remove redundant prototype.
1235 (do_define, do_line, do_include, do_undef, do_error, do_pragma,
1236 do_ident, do_if, do_xifdef, do_else, do_elif, do_endif, do_sccs,
1237 do_once, do_assert, do_unassert, do_warning): Add prototype arguments.
1238 (struct directive): Add prototype arguments to function pointer
1240 (handle_directive): Add missing arguments to call to `do_line'.
1241 (do_include): Mark parameters `unused1' and `unused2' with
1243 (do_line): Likewise for `keyword' and new parameters `unused1' and
1245 (do_error): Likewise for `keyword'.
1246 (do_warning): Likewise. Also add missing argument `pfile' in call
1248 (do_once): Mark parameter `keyword', `unused1' and `unused2' with
1250 (do_ident): Likewise for `keyword', `buf' and `limit'.
1251 (do_pragma): Likewise. Also add missing arguments in call to do_once.
1252 (do_sccs): Mark parameter `keyword', `buf' and `limit' with
1254 (do_if): Likewise for `keyword'.
1255 (do_elif): Likewise.
1256 (eval_if_expression): Likewise for `buf' and `length'.
1257 (do_xifdef): Likewise for `unused1' and `unused2'.
1258 (do_else): Likewise for `keyword', `buf' and `limit'.
1259 (do_endif): Likewise.
1260 (parse_name): Add missing argument `pfile' in call to cpp_pedwarn.
1261 (cpp_handle_options): Remove superfluous NULL argument in call to
1263 (cpp_handle_options): Likewise.
1264 (do_assert): Mark parameter `keyword', `buf' and `limit' with
1266 (do_unassert): Likewise.
1267 (cpp_print_file_and_line): Add missing argument `pfile' in call to
1268 cpp_file_line_for_message.
1269 (v_cpp_error): New function.
1270 (cpp_error): Use it. Also accept variable arguments.
1271 (v_cpp_warning): New function.
1272 (cpp_warning): Use it. Also accept variable arguments.
1273 (cpp_pedwarn): Accept variable arguments.
1274 (v_cpp_error_with_line): New function
1275 (cpp_error_with_line): Use it. Accept variable arguments.
1276 (v_cpp_warning_with_line): New function.
1277 (cpp_warning_with_line): Use it. Accept variable arguments. Hide
1279 (cpp_pedwarn_with_line): Accept variable arguments.
1280 (cpp_pedwarn_with_file_and_line): Likewise.
1281 (cpp_error_from_errno): Constify parameter `name'. Add missing
1282 argument `pfile' in call to cpp_file_line_for_message.
1283 (cpp_perror_with_name): Constify parameter `name'.
1285 * cpplib.h: Define PARAMS() in terms of PROTO().
1286 (fatal): Remove redundant prototype.
1287 (cpp_error, cpp_warning, cpp_pedwarn, cpp_error_with_line,
1288 cpp_pedwarn_with_line, cpp_pedwarn_with_file_and_line,
1289 cpp_error_from_errno, cpp_perror_with_name, cpp_pfatal_with_name,
1290 cpp_fatal, cpp_message, cpp_pfatal_with_name,
1291 cpp_file_line_for_message, cpp_print_containing_files): Add
1292 arguments to prototypes.
1293 (scan_decls, cpp_finish): Add prototypes.
1295 * cppmain.c: Include gansidecl.h.
1296 (main): Remove unused variable `i'.
1298 * dbxout.c: Include toplev.h.
1300 * demangle.h (do_tlink, collect_execute, collect_exit,
1301 collect_wait, dump_file, file_exists): Add prototype.
1303 * dwarf2out.c (dwarf_type_encoding_name, decl_start_label): Hide
1304 prototype and definition.
1305 (gen_unspecified_parameters_die): Don't assign results of call to
1306 function new_die() to unused variable `parm_die'.
1307 (dwarf2out_line): Mark parameter `filename' with ATTRIBUTE_UNUSED.
1308 (dwarf2out_define): Likewise for `lineno' and `buffer'.
1310 * dwarfout.c (output_unsigned_leb128, output_signed_leb128): Hide
1311 prototype and definition.
1312 (output_die): Add prototype arguments to function pointer arg.
1313 (output_unspecified_parameters_die): Mark parameter `arg' with
1316 * except.c (output_exception_table_entry): Remove unused variable
1319 * except.h (expand_fixup_region_start, expand_fixup_region_end):
1322 * expr.c (do_jump_by_parts_equality_rtx): Remove prototype.
1324 * expr.h (do_jump_by_parts_equality_rtx): Add prototype.
1326 * fix-header.c: Include stdarg.h/varargs.h, move gansidecl.h
1327 before cpplib.h, include cpphash.h, remove redundant prototype of
1328 cpp_fatal, don't define `const', add a prototype for `fatal'.
1329 (cpp_file_line_for_message): Add missing arguments `pfile'.
1330 (v_cpp_message): New function.
1331 (cpp_message): Use it.
1332 (v_fatal): New function.
1333 (fatal, cpp_fatal): Use it.
1334 (cpp_pfatal_with_name): Constify parameter `name'.
1336 * flow.c (free_regset_vector): Remove redundant prototype.
1338 * function.c (round_down): Wrap prototype and definition with
1339 macro ARGS_GROW_DOWNWARD.
1340 (record_insns): Wrap prototype and definition with
1341 defined (HAVE_prologue) || defined (HAVE_epilogue).
1343 * gansidecl.h (ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5): New macros.
1345 * gen-protos.c: Include gansidecl.h.
1346 (hashf): Don't make it static, constify parameter `name'.
1348 * genattrtab.c (check_attr_test): Change XEXP() to XSTR() to match
1349 specifier %s in calls to function `fatal'.
1351 * haifa-sched.c: Include toplev.h.
1352 (find_rgns): Remove unused variable `j'.
1354 * integrate.c (note_modified_parmregs): Mark parameter `x' with
1356 (mark_stores): Likewise.
1358 * jump.c (mark_modified_reg): Likewise.
1360 * output.h (insn_current_reference_address): Add prototype.
1361 (eh_frame_section): Likewise.
1363 * print-rtl.c: Include bitmap.h.
1365 * reload1.c (reload): Wrap variables `note' and `next' in macro
1366 PRESERVE_DEATH_INFO_REGNO_P.
1367 (forget_old_reloads_1): Mark parameter `ignored' with
1369 (choose_reload_regs): Remove unused variable `in'.
1370 (reload_cse_invalidate_mem): Mark parameter `ignore' with
1372 (reload_cse_check_clobber): Likewise.
1374 * rtl.h (expand_null_return, reg_classes_intersect_p): Add prototype.
1375 (mark_elimination): Fix typo in prototype.
1377 * scan-decls.c: Include gansidecl.h.
1379 * tree.h (using_eh_for_cleanups, supports_one_only): Add prototype.
1381 Mon May 18 22:37:33 1998 Jeffrey A Law (law@cygnus.com)
1383 * function.c (identify_blocks): Fix thinko when setting the
1384 block number for NOTE_INSN_BLOCK_END.
1386 Mon May 18 15:30:42 1998 Nick Clifton <nickc@cygnus.com>
1388 * config/v850/lib1funcs.asm: Add .text pseudo op to start of
1391 * config/v850/lib1funcs.asm: Fix .size pseudo ops to use three
1392 underscores for the prefixes to the names of the maths functions.
1394 * dbxout.c (dbxout_parms): Revert to using DECL_ARG_TYPE. Add
1395 comment explaining why.
1397 Mon May 18 13:20:23 1998 Richard Henderson <rth@cygnus.com>
1399 * tree.h (TYPE_SIZE_UNIT): New.
1400 (struct tree_type): Add size_unit member.
1401 * stor-layout.c (layout_type): Initialize it.
1402 * expr.c (get_inner_reference) [ARRAY_REF]: Use it.
1403 * tree.c (size_in_bytes, int_size_in_bytes): Likewise.
1405 Mon May 18 12:07:37 1998 Richard Earnshaw (rearnsha@arm.com)
1407 * stor-layout.c (layout_record): Fix off-by-one error when checking
1408 length of the TYPE_BINFO vector.
1410 Mon May 18 10:59:23 1998 Nick Clifton <nickc@cygnus.com>
1412 * dbxout.c (dbxout_parms): Use TREE_ARG to compute the type of a
1413 function parameter passed in memory.
1415 Mon May 18 09:02:09 1998 Robert Lipe <robertl@dgii.com>
1417 * dwarfout.h, dwarf2out.h, dbxout.h, sdbout.h: New files.
1418 Prototypes for externally used functions in respective C files.
1419 * dwarfout.c, dbxout.c, dwarf2out.c, sdbout.c, toplev,c,
1420 final.c: Include above files.
1421 * Makefile.in (toplev.o): Add dependency for above four headers.
1422 (final.o): Likewise.
1423 (dwarfout.o, dbxout.o, dwarf2out.o, sdbout.o): Depend on four
1424 respective header files.
1426 Mon May 18 01:23:33 1998 Jeffrey A Law (law@cygnus.com)
1428 * Makefile.in (TARGET_TOOLPREFIX): No longer define.
1429 (AR_FOR_TARGET, RANLIB_FOR_TARGET): Define to use versions in
1430 the build tree if they exist.
1431 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Update
1433 (objdir): Let configure substitute value.
1434 (FLOAT_H): Let configure select a pre-built version from the
1436 * build-make (INSTALL_TARGET, ALL): Disable, no longer needed.
1437 * configure.in: Substitute for objdir.
1439 * Makefile.in (build_canonical, host_canonical): Let configure
1440 substitute values for these variables.
1441 * configure.in: Substitute for build_canonical, host_canonical
1442 and target_subdir in generated Makefile.
1444 * output.h (find_basic_blocks): Declare.
1445 (free_basic_block_vars, set_block_num, life_analysis): Likewise.
1447 * Makefile.in (BISON): Use bison from the build tree if it exists.
1450 Mon May 18 00:08:19 1998 Nick Clifton <nickc@cygnus.com>
1452 * gcc.c (SWITCH_CURTAILS_COMPILATION): Definition.
1453 (DEFAULT_SWITCH_CURTAILS_COMPILATION): True for options -S and -c.
1454 (process_command): If HAVE_EXECUTABLE_SUFFIX is defined then scan
1455 command line arguments to see if an executable is not being
1456 created, and if so - do not append the suffix.
1458 * tm.texi (SWITCH_CURTAILS_COMPILATION): Add description of new
1461 Sun May 17 23:59:45 1998 John Wehle (john@feith.com)
1463 * i386.h (ALIGN_DFmode): Delete.
1464 (CONSTANT_ALIGNMENT): Define.
1465 * varasm.c (force_const_mem): Use it.
1467 Sun May 17 19:31:05 1998 Richard Henderson <rth@cygnus.com>
1469 * alpha.c (alpha_emit_conditional_branch): Clear cmp_code after
1470 using it with swap_condition, not before.
1472 Sun May 17 13:44:32 1998 Jim Wilson <wilson@cygnus.com>
1474 * alias.c (mode_alias_check): Delete.
1475 (true_dependence, anti_dependence, output_dependence): Revert April 21
1478 Sun May 17 08:45:21 1998 Krister Walfridsson <cato@df.lth.se>
1480 * toplev.c (output_lang_identify): Enable prototype and definition.
1482 Sun May 17 01:12:27 PDT 1998 Jeff Law (law@cygnus.com)
1484 * version.c: Bump for snapshot.
1486 Sat May 16 23:20:32 1998 Richard Henderson <rth@cygnus.com>
1488 * alpha/osf.h (HAVE_STAMP_H): Define.
1490 * alpha/netbsd.h, alpha/netbsd-elf.h: New files.
1491 * configure.in (alpha*-*-netbsd*): New.
1492 Based on patches from Paul H. Anderson <pha@pdq.com>.
1494 * configure.in (alpha*-*-linux-*): Kill xm_defines.
1495 (alpha*-*-linux-gnulibc1*) [fixincludes]: Define.
1496 * alpha/xm-linux.h: Remove file.
1498 Sat May 16 18:32:45 1998 Doug Evans <devans@canuck.cygnus.com>
1500 * dbxout.c (dbxout_parms): If mode of type of parameter living
1501 in memory doesn't match mode of DECL_RTL, make big endian correction.
1503 Fri May 15 21:40:06 1998 John Wehle (john@feith.com)
1505 * i386.md (movdi-1, movdi): Rewrite based on SI move patterns.
1507 Fri May 15 18:55:22 1998 Jason Merrill <jason@yorick.cygnus.com>
1509 * tree.h (BINFO_SIZE, TYPE_BINFO_SIZE): New macros.
1510 * stor-layout.c (layout_record): Set it.
1512 Fri May 15 18:49:30 1998 Mark Mitchell <mmitchell@usa.net>
1514 * toplev.c (rest_of_compilation): Don't defer nested functions.
1516 Fri May 15 17:42:52 1998 Bob Manson <manson@charmed.cygnus.com>
1518 * config/rs6000/rs6000.c (rs6000_stack_info): Align the stack bottom
1519 to an 8-byte boundary if info_ptr->fpmem_p.
1521 Fri May 15 17:36:11 1998 Bill Moyer <ttk@cygnus.com>
1523 * loop.c (basic_induction_var): Added test preventing
1524 CCmode parameter passed to convert_modes().
1526 Fri May 15 17:26:18 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1528 * expr.c (expand_expr, case EXPR_WITH_FILE_LOCATION): Save/restore
1529 input_filename and lineno around expand_expr call. Set them to values
1530 in WFL before expand_expr call.
1532 Fri May 15 12:44:57 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
1534 * stor-layout.c (set_sizetype): Set TYPE_NAME on bitsizetype.
1536 Fri May 15 07:20:03 1998 Mark Mitchell <mmitchell@usa.net>
1538 * fold-const.c (constant_boolean_node): New function.
1541 Fri May 15 11:21:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1543 * sh.c (gen_shl_and): Don't sign extend constant for kind two.
1544 Abort if trying to split kind 3 or 4 outside of combine.
1546 Fri May 15 01:47:37 1998 Jeffrey A Law (law@cygnus.com)
1548 * mips.c (print_operand, case 'x'): Use HOST_WIDE_INT_PRINT_HEX.
1550 Fri May 15 01:42:45 1998 Mumit Khan <khan@xraylith.wisc.edu>
1552 * objc/Make-lang.in (OBJC_O): Add missing exeext.
1553 (libobjc.a, runtime-info.h): Likewise.
1555 Fri May 15 01:29:39 1998 John Wehle (john@feith.com)
1557 * i386.h (DATA_ALIGNMENT): Define.
1559 Fri May 15 05:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1561 * reload1.c (delete_output_reload): Ignore single USE that
1562 was emitted for the pseudo use of this INSN.
1563 If the no reference to REG between OUTPUT_RELOAD_INSN and INSN
1564 remains, we can always delete OUTPUT_RELOAD_INSN.
1566 Thu May 14 18:38:50 1998 Jim Wilson <wilson@cygnus.com>
1568 * reload.c (find_reloads): Don't penalize SCRATCH output reload.
1570 Thu May 14 15:10:30 1998 Jeffrey A Law (law@cygnus.com)
1572 * Makefile.in (expr.o): Remove dependency on deleted modemap.def file.
1574 Thu May 14 16:30:47 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1576 * eh-common.h: New file for basic EH data structures.
1577 * except.h: Various prototypes and structures for NEW_EH_MODEL
1578 * function.h (struct function): Add a struct eh_stack for the catch
1580 * except.c (gen_exception_label): New function to generate an
1582 (push_eh_entry): Use gen_exception_label() and init 'label_used' field.
1583 (push_entry): New function to push an existing entry onto a stack.
1584 (receive_exception_label): New function to emit the code required
1585 at the start of all catch blocks.
1586 (struct func_eh_entry): New structure for maintaining handlers
1587 associated with EH regions.
1588 (new_eh_region_entry): New function to register an EH region.
1589 (add_new_handler): New function to register a handler with a region.
1590 (get_new_handler): Creates anew handler entry for registering.
1591 (find_func_region): New function to convert a NOTE eh region number
1592 to an Eh region index.
1593 (get_first_handler): New function to get the first handler in a region.
1594 (clear_function_eh_region): New function to release memory.
1595 (duplicate_handlers): New function to duplicate a list of handlers.
1596 (expand_eh_region_end): Create a new region entry node as well.
1597 (expand_leftover_cleanups): Call receive_exception_label() and
1598 register the cleanup as a handler to the current region.
1599 (expand_start_catch): New function to start a catch clause.
1600 (expand_end_catch): New function to end a catch clause.
1601 (expand_start_all_catch): restructure to not do the equivilent of
1602 what expand_start_catch() does now. Push the exception region being
1603 handled onto the catch stack.
1604 (output_exception_table_entry): Issue an entry for each handler
1605 associated with a region.
1606 (set_exception_lang_code): New function for setting the language code.
1607 (set_exception_version_code): New function to set the version number.
1608 (output_exception_table): Output version and language codes.
1609 (find_exception_handler_labels): Find handler labels using new scheme.
1610 (is_exception_handler_label): New function, returns 1 if label is
1611 present as a handler in some exception region.
1612 (check_exception_handler_labels): Use the new scheme.
1613 (init_eh_for_function): Initialize the catch stack.
1614 (save_eh_status): Save the catch stack.
1615 (restore_eh_status): Restore the catch stack.
1616 (scan_region): Don't remove unreferenced handler label. Flow does it.
1617 (get_reg_for_handler): New function to get the eh_context pointer
1619 (expand_builtin_eh_stub): Changes required for NEW_EH_MODEL only.
1620 * final.c (final_scan_insn): With NEW_EH_MODEL, add EH table
1621 entry when processing END region rather that START region.
1622 * flow.c (find_basic_blocks_1): Find all potential handler regions
1623 now that we don't automatically know what the labels might be.
1624 Let scan_region() remove unreferenced EH BEGIN/END labels.
1625 * integrate.c (get_label_from_map): Put inlined labels onto the
1626 permanent obstack since we dont know which ones might be exception
1628 (save_for_inline_copying): Make new copies of all the handlers.
1629 (expand_inline_function): Make new copies of all the handlers.
1630 * libgcc2.c: Remove local struct decls, and include eh-common.h.
1631 (find_exception_handler): With NEW_EH_MODEL the first matching
1632 region we find is the right one. Add eh_info as a new parameter.
1633 (__throw): Pass eh_info to find_exception_handler. Set handler
1634 and pass use different regs under NEW_EH_MODEL.
1636 Thu May 14 12:58:21 1998 Jim Wilson <wilson@cygnus.com>
1638 * i960.h (hard_regno_mode_ok): Changed to function from array of
1640 (HARD_REGNO_MODE_OK): Call function instead of testing bit.
1641 * i960.c (hard_regno_mode_ok): Changed to function from array of
1644 Thu May 14 08:41:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1646 * reload.c (remove_replacements): New function.
1647 * reload.h (remove_replacements): Declare.
1648 * reload1.c (choose_reload_regs): Disable some reloads that
1649 belong to inherited reloads.
1651 Thu May 14 02:17:17 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1653 * loop.c (scan_loop): Don't call move_moveables for optimize_size.
1655 * reload1.c (merge_assigned_reloads): When merging, reset
1656 reload_spill_index for the eliminated reload.
1658 Wed May 13 17:51:13 1998 Jeffrey A Law (law@cygnus.com)
1660 * haifa-sched.c (schedule_insns): Fix merge goof.
1662 1998-05-13 Jim Wilson <wilson@cygnus.com>
1664 * varasm.c (make_decl_rtl): Revert April 1 change.
1665 * alpha/alpha.h, alpha/win-nt.h, arm/arm.h, i386/unix.h, i960/i960.h,
1666 m68k/linux.h, pa/pa.h, sparc/sparc.h, vax/vax.h (ASM_OUTPUT_MI_THUNK):
1667 Get function name from the SYMBOL_REF in the DECL_RTL, not from
1668 DECL_ASSEMBLER_NAME.
1669 * i386/winnt.c (gen_stdcall_suffix): Comment for questionable use of
1670 DECL_ASSEMBLER_NAME.
1672 Wed May 13 13:09:19 1998 Jim Wilson <wilson@cygnus.com>
1674 * i386.c (notice_update_cc, output_float_compare): Disable
1675 TARGET_CMOVE support.
1677 Wed May 13 15:28:59 1998 Michael Meissner <meissner@cygnus.com>
1678 Jeff Law <law@cygnus.com>
1680 * rtlanal.c (find_reg_note): Ignore notes that are not on on
1682 (find_regno_note): Likewise.
1684 * Makefile.in (stor-layout.o): Depend on except.h
1685 (varasm.o, function.o): Likewise.
1686 (expr.o): Depend on except.h, modemap.def and hard-reg-set.h.
1688 * Makefile.in (HOST_RTL): Add $(HOST_PREFIX)bitmap.o.
1689 (rtl.o, emit-rtl.o): Add dependency on bitmap.h.
1690 ($(HOST_PREFIX_1)rtl.o): Likewise.
1691 ($(HOST_PREFIX_1)bitmap.o): New host object.
1692 * emit-rtl.c (toplevel): Include bitmap.h.
1693 (gen_rtx): Handle 't' and 'b' nodes.
1694 * print-rtl.c (print_rtx): Handle printing NOTE_INSN_LIVE notes.
1695 Print block number for block begin/end notes. Print 't' type
1696 nodes as a pointer. Know that the 3rd argument of live range
1697 start/stop notes is really a range_info rtx. If type is 'b', print
1698 out argument as a bitmap.
1699 * rtl.c: Include bitmap.c.
1700 (copy_rtx): Copy tree nodes as is. Copy bitmaps if type is 'b'.
1701 (note_insn_name): Add NOTE_INSN_RANGE_{START,END}, NOTE_INSN_LIVE.
1702 * rtl.def (RANGE_LIVE): New node to hold live information while we
1703 recalculate the basic blocks.
1704 (RANGE_REG, RANGE_INFO): New rtl types for live range splitting.
1705 (RANGE_VAR): New node, to hold information saved in symbol node for New
1706 communicating live range information to the debug output functions.
1707 * rtl.h (rtunion_def): Add rttree and rtbit fields.
1708 (XBITMAP, XTREE): New accessor macros.
1709 (NOTE_LIVE_INFO): Overload NOTE_SOURCE_FILE for NOTE_INSN_LIVE notes.
1710 (NOTE_RANGE_INFO): Similarly for NOTE_INSN_RANGE_{START,END} notes.
1711 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Define.
1712 (NOTE_INSN_RANGE_START, NOTE_INSN_RANGE_END, NOTE_INSN_LIVE): New notes.
1713 (RANGE_LIVE_{BITMAP,ORIG_BLOCK}): New accessor macros.
1714 (RANGE_REG_{SYMBOL,BLOCK}_NODE, RANGE_VAR_*): New accessor macros.
1715 (RANGE_INFO_*): Likewise.
1716 * sched.c (sched_analyze): Keep live range start/stop notes.
1717 (unlink_other_notes): Likewise.
1718 * haifa-sched.c (sched_analyze): Keep live range start/stop notes.
1719 (unlink_other_notes): Likewise.
1720 * tree.h (BLOCK_LIVE_RANGE_{START,END,VAR_FLAG}): New accessor macros.
1721 (BLOCK_LIVE_RANGE_FLAG): Likewise.
1722 (DECL_LIVE_RANGE_RTL): Likewise.
1723 (struct tree_block): Add live_range_flag, live_range_var_flag,
1724 live_range_start and live_range_end.
1725 (struct tree_decl): Add live_range_rtl field.
1726 * gengenrtl.c (type_from_format): Handle 'b' and 't'.
1727 (accessor_from_format): Likewise.
1729 * haifa-sched.c (schedule_block): Make verbose output line up.
1730 Also add a blank line in printing the individual ready lists.
1732 Wed May 13 15:43:44 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1734 * Makefile.in (c-lang.o): Depend on c-tree.h, c-lex.h and toplev.h.
1735 (c-lex.o): Depend on output.h.
1736 (c-common.o): Likewise.
1738 (calls.o): Likewise.
1739 (integrate.o): Depend on toplev.h.
1740 (regclass.o): Depend on output.h.
1741 (final.o): Depend on reload.h.
1743 * c-common.c: Include output.h.
1744 (check_format_info): Remove unused variable `integral_format'.
1746 * c-decl.c (print_lang_decl): Mark parameters `file', `node' and
1747 `indent' with ATTRIBUTE_UNUSED.
1748 (print_lang_type): Likewise.
1749 (maybe_build_cleanup): Likewise for parameter `decl'.
1750 (copy_lang_decl): Likewise for parameter `node'.
1752 * c-lang.c: Include c-tree.h, c-lex.h and toplev.h.
1753 (lang_print_xnode): Mark parameters `file', `node' and `indent'
1754 with ATTRIBUTE_UNUSED.
1755 (lookup_interface): Likewise for parameter `arg'.
1756 (is_class_name): Likewise.
1757 (maybe_objc_check_decl): Likewise for parameter `decl'.
1758 (maybe_objc_comptypes): Likewise for parameters `lhs', `rhs' and
1760 (maybe_objc_method_name): Likewise for parameter `decl'.
1761 (build_objc_string): Likewise for parameters `len' and `str'.
1763 * c-lex.c: Include output.h.
1765 * c-lex.h (position_after_white_space): Correct typo in prototype.
1767 * c-tree.h (finish_file, c_expand_start_cond, c_expand_start_else,
1768 c_expand_end_cond, init_iterators): Add prototypes.
1770 * caller-save.c (set_reg_live): Mark parameters `reg' and `setter'
1771 with ATTRIBUTE_UNUSED.
1773 * calls.c: Include output.h.
1775 * cccp.c (pipe_closed): Mark parameter `signo' with
1778 * combine.c: Move inclusion of expr.h to after insn-config.h.
1780 * iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Don't define
1781 as empty, rather define as ((void)0).
1783 * sparc.c (sparc_check_64): Add braces around ambiguous `else'.
1784 Add parentheses around assignment used as truth value.
1786 * cplus-dem.c (squangle_mop_up): Change return type to void.
1787 (internal_cplus_demangle): Remove unused parameter `options'.
1788 All callers changed.
1789 (cplus_demangle_opname): Remove function wide variable `int i' and
1790 replace with `size_t i' at each location where it is used.
1791 (cplus_demangle_opname): change type of `i' from int to size_t.
1793 * cppexp.c (right_shift): Mark parameter `pfile' with
1796 * cpphash.c (cpp_lookup): Likewise.
1797 (cpp_hash_cleanup): Likewise.
1799 * cpplib.c (parse_name): Add a prototype and make it static.
1800 (null_underflow): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
1801 (null_cleanup): Likewise for parameters `pbuf' and `pfile'.
1802 (macro_cleanup): Likewise for parameter `pfile'.
1803 (file_cleanup): Likewise.
1805 * cpplib.h (cpp_reader_init, cpp_options_init, cpp_start_read,
1806 cpp_read_check_assertion, skip_rest_of_line): Add prototypes.
1808 * crtstuff.c (force_to_data, __CTOR_LIST__, force_to_data,
1809 __DTOR_END__, __FRAME_END__): Mark with ATTRIBUTE_UNUSED.
1811 * cse.c (cse_check_loop_start): Mark parameter `set' with
1814 * dbxout.c (flag_minimal_debug, have_used_extensions,
1815 source_label_number): Move inside macro wrapper check against
1816 defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO).
1818 * dwarf2out.c (gen_entry_point_die): Hide prototype and definition.
1820 * except.h (doing_eh): Provide prototype.
1822 * expr.c: Move inclusion of expr.h to after insn-config.h.
1824 * final.c: Include reload.h.
1825 (shorten_branches): Cast the first argument of bzero to char *.
1827 * fix-header.c (cpp_print_containing_files): Mark parameter
1828 `pfile' with ATTRIBUTE_UNUSED.
1829 (cpp_fatal): Likewise.
1831 * flow.c (find_basic_blocks_1): Cast the first argument of bzero
1834 * genattrtab.c (make_length_attrs): Change the type of variable
1835 `i' from int to size_t.
1836 (zero_fn): Mark parameter `exp' with ATTRIBUTE_UNUSED.
1839 * genextract.c (main): When generating insn-extract.c, mark
1840 variable `junk' with ATTRIBUTE_UNUSED.
1842 * gengenrtl.c (gencode): When generating genrtl.c, cast the first
1843 argument of bzero to char*.
1845 * integrate.c: Include toplev.h.
1847 * libgcc2.c: Wrap `struct exception_table' and
1848 `find_exception_handler' in macro DWARF2_UNWIND_INFO.
1850 * objc/Make-lang.in (objc-act.o): Depend on toplev.h.
1852 * objc/objc-act.c: Include toplev.h.
1853 (lang_print_xnode): Mark parameters `file', `node' and `indent'
1854 with ATTRIBUTE_UNUSED.
1855 (finish_protocol): Likewise for parameter `protocol'.
1857 * output.h (declare_weak): Add prototype.
1858 (decode_reg_name): Don't wrap with TREE_CODE macro.
1859 (assemble_alias): Add prototype.
1861 * regclass.c: Include output.h.
1863 * reload.h (reloads_conflict): Add prototype.
1865 * rtl.h (print_rtl_single, mark_elimiation, reg_class_subset_p,
1866 output_func_start_profiler): Add prototypes.
1868 * rtlanal.c (reg_set_p_1): Mark parameters `x' and `pat' with
1871 * scan-decls.c: Include scan.h.
1873 * scan.h (recognized_function, recognized_extern): Add prototypes.
1875 * stmt.c: Include output.h.
1877 * toplev.c (error_for_asm, warning_for_asm): Remove prototypes.
1878 (output_lang_identify): Hide prototype and definition.
1879 (float_signal): Mark parameter `signo' with ATTRIBUTE_UNUSED.
1880 (pipe_closed): Likewise.
1882 * toplev.h (count_error, strip_off_ending, error_for_asm,
1883 warning_for_asm): Add prototypes.
1885 Wed May 13 12:54:19 1998 Michael Meissner <meissner@cygnus.com>
1887 * toplev.c (rest_of_compilation): "Charge" final for any time
1888 doing various cleanup operations after finishing compilation
1891 * flow.c (dump_flow_info): Also print number of sets and
1892 whether or not the pseudo is a user variable.
1894 * flow.c (reg_n_max): New global variable.
1895 * regclass.c (allocate_reg_info): Keep reg_n_max up to date.
1896 Delete regno_max variable.
1897 * regs.h (REG_N_CHECK): Define.
1898 (REG_N_REFS, REG_N_SETS, REG_N_DEATHS): Use REG_N_CHECK.
1899 (REG_N_CHANGES_SIZE, REG_N_CALLS_CROSSED, REG_LIVE_LENGTH): Likewise.
1900 (REGNO_FIRST_UID, REGNO_LAST_UID, REGNO_LAST_NOTE_UID): Likewise.
1902 Wed May 13 12:54:19 1998 Martin von Loewis <martin@mira.isdn.cs.tu-berlin.de>
1904 * acconfig.h (ENABLE_CHECKING): Undefine.
1905 * configure.in (--enable-checking): New option.
1907 Wed May 13 08:52:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1909 * reload1.c (merge_assigned_reloads): Can merge
1910 RELOAD_FOR_INPUT_ADDRESS and RELOAD_FOR_OTHER_ADDRESS even
1911 if RELOAD_FOR_INPUT with the same reload_reg_rtx is present.
1913 Tue May 12 20:05:57 1998 Jim Wilson <wilson@cygnus.com>
1915 * collect2.c (main): Ignore do_collecting when COLLECT_EXPORT_LIST.
1917 Wed May 13 03:23:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1919 * reload1.c (gen_reload): Create REG_EQUIV notes.
1921 Tue May 12 22:21:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1923 * reload1.c (reload): Fix check for USEs to use code of pattern.
1924 (choose_reload_regs): Remove dead variable use_insn.
1926 Tue May 12 14:04:49 1998 Jeffrey A Law (law@cygnus.com)
1928 * pa.h (DBX_CONTIN_LENGTH): Reduce to 3000 bytes.
1930 Tue May 12 15:16:02 1998 Michael Meissner <meissner@cygnus.com>
1932 * haifa-sched.c (HAIFA_INLINE): Define to be __inline unless
1934 (find_insn_{,mem_}list): Use HAIFA_INLINE, not __inline.
1935 (insn_{unit,issue_delay}): Ditto.
1936 (blockage_range): Ditto.
1937 (actual_hazard{,_this_instance}): Ditto.
1938 (schedule_unit): Ditto.
1939 (potential_hazard): Ditto.
1942 (queue_insn): Ditto.
1943 (birthing_insn_p): Ditto.
1944 (adjust_priority): Ditto.
1945 (get_block_head_tail): Ditto.
1946 (init_rgn_data_dependences): Ditto.
1948 Tue May 12 10:27:54 1998 Klaus Kaempf <kkaempf@progis.de>
1950 * alpha/vms.h (COMMON_ASM_OP, ASM_OUTPUT_ALIGNED_COMMON): Define.
1952 Tue May 12 11:44:14 1998 Gavin Koch <gavin@cygnus.com>
1954 * config/mips/mips.h (ASM_OUTPUT_ALIGN): Remove trailing semi-colon.
1956 Tue May 12 11:38:31 1998 Gavin Koch <gavin@cygnus.com>
1958 * config/mips/mips.md (dslot): Move after definition of "cpu"
1959 attribute. Handle r3900 case.
1961 Tue May 12 10:21:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1963 * system.h: Define the STRINGIFY macro here.
1964 * protoize.c: Not here.
1965 * gengenrtl.c (DEF_RTL_EXPR): Use the STRINGIFY macro.
1967 Tue May 12 00:47:33 1998 John Wehle (john@feith.com)
1969 * varasm.c (assemble_variable): Compute the alignment of the data
1970 earlier so that both initialized and uninitialized variables are
1971 effected by DATA_ALIGNMENT.
1972 * tm.texi (DATA_ALIGNMENT): Updated appropriately.
1974 Mon May 11 19:57:58 1998 Jeffrey A Law (law@cygnus.com)
1976 * mips.c: Prototype static functions.
1978 Mon May 11 17:43:03 1998 Jim Wilson <wilson@cygnus.com>
1980 * regmove.c (fixup_match_2, find_matches, regmove_profitable):
1981 Add explanatory comments.
1983 * sparc.h (SPARC_INCOMING_INT_ARG_FIRST): Support TARGET_FLAT.
1985 Mon May 11 17:24:27 1998 Richard Henderson <rth@cygnus.com>
1987 * sparc.md (ffsdi2): Disable. Simplify the expression as well.
1989 Mon May 11 13:30:44 1998 Jim Wilson <wilson@cygnus.com>
1991 * varasm.c (make_decl_rtl): Disable April 1 change.
1993 Mon May 11 09:14:41 1998 Richard Henderson <rth@cygnus.com>
1995 * configure.in (alpha-*-linux-gnu): Undo lossage from gcc2 merge.
1997 Mon May 11 08:24:18 1998 Richard Henderson <rth@cygnus.com>
1999 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Add '`'.
2000 * alpha.c (print_operand): Handle it.
2001 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): New patterns and
2002 related define_splits. Also add peepholes for SImode reload
2003 plus sign_extend lossage.
2005 Mon May 11 09:33:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2007 * genattr.c: Include stdarg.h/varargs.h. Change function
2008 `fatal' to use variable arguments instead of faking it with
2009 integer parameters. Provide a prototype which also
2010 checks the format specifiers using ATTRIBUTE_PRINTF_1.
2012 * genattrtab.c: Likewise.
2013 * gencodes.c: Likewise.
2014 * genconfig.c: Likewise.
2015 * genemit.c: Likewise.
2016 * genextract.c: Likewise.
2017 * genflags.c: Likewise.
2018 * genopinit.c: Likewise.
2019 * genpeep.c: Likewise.
2020 * genrecog.c: Likewise.
2021 * genoutput.c: Likewise. Similarly for function `error'.
2023 Sun May 10 02:27:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2025 * acconfig.h (HAVE_VOLATILE): Insert stub for autoconf.
2026 * alocal.m4 (GCC_C_VOLATILE): New autoconf test.
2027 * configure.in: Use GCC_C_VOLATILE.
2028 * system.h (volatile): Define as empty if no volatile support is
2031 Sun May 10 01:21:43 1998 Jeffrey A Law (law@cygnus.com)
2033 * genemit.c (output_add_clobbers): Removed unused variable 'i' from
2036 Sat May 9 02:02:15 1998 Richard Henderson <rth@cygnus.com>
2038 * loop.c (get_condition): Don't combine when either compare is MODE_CC.
2039 * alpha.c (alpha_emit_conditional_branch): New function. Taken from
2040 the body of beq; additionally set the mode of the branch to CCmode for
2041 FP compares and not fast_math.
2042 (alpha_emit_conditional_move): Always use a compare insn for FP
2043 when not fast_math, as well as setting CCmode on the cmov.
2044 * alpha.md (beq, bne, blt, et al): Call alpha_emit_conditional_branch.
2046 * machmode.h (COMPLEX_MODE_P): New macro.
2048 Sat May 9 01:53:23 1998 Richard Henderson <rth@cygnus.com>
2050 * haifa-sched.c (print_exp): Fix typo.
2052 Fri May 8 21:48:50 PDT 1998 Jeff Law (law@cygnus.com)
2054 * version.c: Bump for snapshot.
2056 Fri May 8 18:23:08 1998 Michael Meissner <meissner@cygnus.com>
2058 * final.c (final_scan_insn): Call fatal_insn instead of abort if
2059 we could not split an insn when required to.
2061 * m32r.md ({add,sub}di3): Add define_splits and appropriate low
2063 (peepholes): Disable peepholes that call dead_or_set_p.
2064 (movsi): Rewrite to handle addresses better after last change.
2065 Add define_split to split load of addresses in large/medium modes.
2066 (prologue): Call m32r_expand_prologue.
2067 (movsi_{push,pop}): Generators for push/pop.
2068 (movsi): Support PRE_{INC,DEC}, POST_INC.
2069 (mov{di,df}): Rewrite. Always split the insns.
2070 (movsf): Add define_split to get register load in correct mode.
2071 (cmp_ne_small_const_insn): Use 'N' instead of 'S' constraint.
2072 (attributes): Rewrite attributes so that type indicates both the
2073 type and the length of the insn directly.
2074 (all insns): Change to use new type attributes.
2075 (debug): New attribute to convey whether -mdebug was used.
2076 (opt_space): New attribute to convey whether -Os was used.
2077 (function units): Loads are 3 cycles, not 2. Better classify all
2078 insns into short/long.
2079 (load/store/extend insns): Add separate case for load/store
2080 indirect operations without an offset.
2081 (divsi3): Division is a long operation, not short.
2083 * m32r.h (LEGITIMATE_LO_SUM_ADDRESS_P): Do not allow LO_SUM for
2085 (GO_IF_MODE_DEPENDENT_ADDRESS): LO_SUM is now mode dependent.
2086 (CONST_OK_FOR_LETTER_P): Make 'N' handle reverse 8 bit compares.
2087 (EXTRA_CONSTRAINT): Remove 'S' special support. Add 'U' for
2088 operands with PRE_{INC,DEC}, POST_INC.
2089 (FUNCTION_PROFILER): Call abort instead of doing nothing.
2090 (GO_IF_LEGITIMATE_ADDRESS): Allow PRE_{INC,DEC}, POST_INC of
2092 (gen_split_move_double): Declare.
2093 (EXTRA_CONSTRAINT): Add 'T' for memory reference with no offset.
2095 * m32r.c (gen_split_move_double): Fix typo. Also, don't call
2096 emit_move_insn, build up SET's directly.
2097 (toplevel): Include system.h, not stdio.h.
2098 (move_double_src_operand): Allow any DF or DI mode constant.
2099 (gen_split_move_double): Split moves of DI or DF values into the
2100 appropriate moves, loads, or stores. Don't handle use of auto
2101 inc/dec if using dead index. Do handle overlapping moves, etc.
2102 (m32r_frame_info): Remove prologue_size field.
2103 (m32r_compute_frame_size): Don't calculate prologue size.
2104 (m32r_output_function_prologue): Change to pretty much a NOP.
2105 (m32r_expand_prologue): Expand prologue as a series of INSNs.
2106 (m32r_print_operand): Add support for PRE_{INC,DEC}, POST_INC.
2107 (m32r_print_operand_address): Ditto.
2109 Fri May 8 14:13:21 1998 H.J. Lu (hjl@gnu.org)
2111 * reload1.c (emit_reload_insns): When performing expensive
2112 optimizations, do not output the last reload insn if OLD is
2113 not the dest of NSN and is in the src and is clobbered by INSN.
2115 Fri May 8 09:47:29 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2117 * Makefile.in (genrtl.o): Depend on system.h.
2118 * gengenrtl.c (gencode): When creating genrtl.c, have it
2121 Fri May 8 10:57:33 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2123 * config/m68k/t-linux: Remove extra stuff already included in
2126 Fri May 8 09:53:24 Paul Eggert <eggert@twinsun.com>
2128 * fixinc.wrap: Renamed from fixinc.math. Put wrapper around
2129 curses.h if it contains `typedef char bool;', as suggested by
2130 Manfred Hollstein <manfred@s-direktnet.de>.
2132 * configure.in: Rename fixinc.math to fixinc.wrap.
2134 Thu May 7 19:26:34 1998 Jim Wilson <wilson@cygnus.com>
2136 * gcc.c (read_specs): Handle missing blank line at end of specs file.
2138 * i386.md (movsicc, movhicc, movsicc_1, movhicc_1, movsfcc_1,
2139 movdfcc_1): Disable.
2141 Thu May 7 15:39:14 1998 Jim Wilson <wilson@cygnus.com>
2143 * configure.in (enable_threads): Rename to enable_threads_flag before
2144 main loop. Set enable_threads to enable_threads_flag inside main
2147 Thu May 7 17:38:03 1998 Michael Meissner <meissner@cygnus.com>
2149 * r6000/eabi.asm (__eabi): Restore LR in case __eabi is called
2152 Thu May 7 14:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2154 * aclocal.m4 (GCC_FUNC_VFPRINTF_DOPRNT): New macro.
2156 * configure.in: Add a call to GCC_FUNC_VFPRINTF_DOPRNT.
2157 (AC_CHECK_HEADERS): Remove unused check for varargs.h,sys/varargs.h.
2158 (AC_CHECK_FUNCS): Remove unused check for vprintf.
2160 * Makefile.in: Add support for linking in vfprintf.c and doprint.c.
2161 (cccp.o): Depend on gansidecl.h.
2164 * cccp.c: Convert from using PRINTF_ALIST/PRINTF_DCL to VPROTO as
2165 per the rest of gcc source.
2166 * cexp.y: Likewise. Include gansidecl.h and remove all code made
2169 * cccp.c: Remove checks for HAVE_VPRINTF and the associated code
2170 used when vfprintf is missing.
2173 * genattrtab.c: Likewise.
2174 * mips-tfile.c: Likewise.
2175 * toplev.c: Likewise.
2177 * vfprintf.c: New file.
2178 * doprint.c: New file.
2180 Thu May 7 10:18:41 1998 Jeffrey A Law (law@cygnus.com)
2182 * config/linux.h (ASM_COMMENT_START): Remove from here,
2183 * config/linux-aout.h (ASM_COMMENT_START): and here,
2184 * config/i386/linux.h (ASM_COMMENT_START): to here,
2185 * config/i386/linux-aout.h (ASM_COMMENT_START): and here.
2186 * config/i386/linux-oldld.h (ASM_COMMENT_START): Define
2189 Thu May 7 10:55:59 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2191 * config/m68k/m68k.md (adddi3, subdi3): Properly negate the DImode
2194 Wed May 6 22:32:37 CDT 1998 Robert Lipe <robertl@dgii.com>
2196 * Makefile.in (dwarfout.o) Add toplev.h dependency.
2197 * dwarfout.c, i386.c: Include toplev.h
2198 * toplev.h: (pfatal_with_name) Add prototype.
2200 Wed May 6 19:02:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2202 * Makefile.in: Fix .SUFFIXES.
2204 Wed May 6 19:31:32 1998 Alan Modra <alan@spri.levels.unisa.edu.au>
2206 * config/linux.h (ASM_COMMENT_START): Define as "#".
2207 * config/linux-aout.h (ASM_COMMENT_START): Likewise.
2209 Wed May 6 15:51:39 1998 Jim Wilson <wilson@cygnus.com>
2211 * objc/Make-lang.h (objc-parse.o): Add toplev.h dependency.
2212 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2214 * toplev.c: Include toplev.h.
2215 * Makefile.in (c-common.o, c-convert.o, c-decl.o, c-iterate.o,
2216 c-lex.o, c-parse.o, c-pragma.o, c-typeck.o, calls.o, convert.o,
2217 dwarf2out.o, except.o, expr.o, final.o, fold-const.o, function.o,
2218 hash.o, profile.o, real.o, reg-stack.o, regclass.o, reload.o,
2219 reload1.o, stmt.o, stor-layout.o, tlink.o, tree.o, varasm.o): Add
2220 toplev.h dependency.
2222 * mips/mips.c (save_restore_insns): Change FRAME_POINTER_REGNUM to
2223 HARD_FRAME_POINTER_REGNUM.
2225 * expr.c (target_temp_slot_level): Delete duplicate definition.
2227 Wed May 6 16:46:01 1998 Jeffrey A Law (law@cygnus.com)
2229 * stmt.c (mark_seen_cases): Make it have external linkage again.
2230 * expr.h (mark_seen_cases): Add declaration, but only when tree.h
2233 * haifa-sched.c (print_value, case SUBREG): Fix typo.
2235 * i386.c (output_387_binary_op): Add some braces to avoid warnings.
2236 * i386.h (REG_CLASS_CONTENTS): Similarly.
2238 * toplev.c (-fsched-max): Delete flag.
2239 (-fsched-interblock-max-blocks,-fsched-interblock-max-insns): Likewise.
2240 * haifa-sched.c: Remove -fsched-max-N, -fsched-interblock-max-blocks-N
2241 and -fsched-interblock-max-insns-N support. Remove INTERBLOCK_DEBUG
2244 * haifa-sched.c (find_rgns): Correctly handle reducible loops with
2245 inner loops which are not reducible.
2247 * loop.c (regs_match_p): Fix typo in prototype.
2249 * regmove.c (try_auto_increment): Wrap declaration inside an
2250 #ifdef AUTO_INC_DEC.
2252 Wed May 6 17:07:47 1998 Michael Meissner <meissner@cygnus.com>
2254 * final.c (output_operand_lossage): Call fatal with the operand
2255 lossage message instead of calling abort.
2257 Wed May 6 15:37:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2259 * c-common.c: Convert to using ctype macros defined in system.h.
2260 * c-lex.c: Likewise.
2262 * collect2.c: Likewise.
2263 * rs6000.c: Likewise.
2264 * cpplib.c: Likewise.
2265 * fix-header.c: Likewise.
2267 * gen-protos.c: Likewise.
2268 * pexecute.c: Likewise.
2269 * protoize.c: Likewise.
2273 * tlink.c: Likewise.
2274 * toplev.c: Likewise.
2276 Wed May 6 14:44:14 1998 Gavin Koch <gavin@cygnus.com>
2278 * config/mips/r3900.h (SUBTARGET_ASM_DEBUGGING_SPEC) :
2279 Replace -gdwarf-2 with -g0.
2281 Wed May 6 11:43:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2283 * Makefile.in (mips-tfile.o, mips-tdump.o): Depend on system.h.
2284 * mips-tdump.c: Include system.h, remove redundant headers.
2285 * mips-tfile.c: Likewise. Also, convert all ctype function calls
2286 to calls of the macro versions defined in system.h.
2288 * objc/Make-lang.in (objc-act.o): Depend on system.h.
2289 * objc/objc-act.c: Include system.h, remove redundant headers.
2291 Wed May 6 11:21:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2293 * configure.in (AC_CHECK_FUNCS): Add isascii.
2294 (GCC_NEED_DECLARATIONS): Add atof.
2296 * system.h: Provide prototypes for abort, atof, atol and sbrk here.
2297 * rtl.c, rtl.h, toplev.c, tree.h: Not here.
2299 Wed May 6 10:52:49 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2301 * system.h: Wrap time.h and sys/file.h in autoconf checks.
2302 Provide default definitions for O_RDONLY and O_WRONLY here.
2304 * cccp.c, cpplib.c, fix-header.c, gcc.c, protoize.c: Not here.
2306 1998-05-06 Mark Mitchell <mmitchell@usa.net>
2308 * tree.h (IS_EXPR_CODE_CLASS): Remove bogus '3'.
2310 Wed May 6 06:35:38 1998 Robert Lipe <robertl@dgii.com>
2312 * toplev.h: New file. Protypes for functions in toplev.c.
2313 * tree.h, rtl.h: Deleted protos for functions in toplev.c.
2314 * c-common.c, c-convert.c, c-decl.c, c-iterate.c, c-lex.c,
2315 c-parse.in, c-parse.y, c-pragma.c, c-typeck.c, calls.c,
2316 convert.c, dwarf2out.c, except.c, expr.c, final.c, fold-const.c,
2317 function.c, hash.c, profile.c, real.c, reg-stack.c, regclass.c,
2318 reload.c, reload1.c, stmt.c, stor-layout.c, tlink.c, tree.c,
2319 varasm.c: include it.
2321 Wed May 6 01:09:01 1998 Jeffrey A Law (law@cygnus.com)
2322 Jim Wilson (wilson@cygnus.com)
2324 * haifa-sched.c (find_rgns): In no_loops case, fix test for leaf
2325 blocks. Check for 1 successor which is the EXIT_BLOCK.
2327 * haifa-sched.c (find_rgns): Detect unreachable blocks, including
2328 unreachable loops with more than one block.
2330 Wed May 6 08:22:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
2332 * fix-header.c (write_rbrac): Add "abort" to functions which need to
2335 Wed May 6 00:09:36 1998 Jeffrey A Law (law@cygnus.com)
2337 * Check in merge from gcc2. See ChangeLog.12 for details.
2339 Tue May 5 14:33:49 1998 Jim Wilson <wilson@cygnus.com>
2341 * c-common.c (scan_char_table): Separate 's' and 'c'. 'c' does not
2342 accept 'a' flag. 'S' does accept 'a' flag.
2343 (check_format_info): When pedantic, warn for m/C/S/a/A formats,
2346 * elf64.h (MULTILIB_DEFAULTS): Move definition after mips.h include.
2348 Tue May 5 10:50:39 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2350 * config/m68k/m68k.h: Declare functions from m68k.c used in
2351 macros and machine description.
2352 (ASM_OUTPUT_LONG_DOUBLE): Always use `l' flag in print format for
2354 (ASM_OUTPUT_FLOAT): Likewise.
2355 (ASM_OUTPUT_FLOAT_OPERAND): Likewise.
2357 Tue May 5 01:28:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2359 * tree.def: Add NAMESPACE_DECL.
2360 * dwarfout.c (type_ok_for_scope): Ignore NAMESPACE_DECLs for now.
2361 * dwarf2out.c (push_decl_scope): Likewise.
2362 (scope_die_for): Likewise.
2363 * tree.c (decl_function_context): Use TREE_CODE_CLASS to determine
2364 how to get next context level.
2366 Tue May 5 01:43:16 1998 Jim Wilson <wilson@cygnus.com>
2368 * i386.c (output_fix_trunc): Add code to emulate non-popping DImode
2371 Tue May 5 01:15:06 1998 Jeffrey A Law (law@cygnus.com)
2373 * h8300.h (ADDITIONAL_REGISTER_NAMES): Add "er" registers.
2375 * reorg.c (fill_slots_from_thread): Update REG_DEAD/REG_UNUSED notes
2376 for any insns skipped at the start of a block because they were
2379 Mon May 4 20:23:51 1998 Jim Wilson <wilson@cygnus.com>
2381 * alpha.h (DBX_CONTIN_LENGTH): Decrease to 3000.
2383 1998-05-04 Ulrich Drepper <drepper@cygnus.com>
2385 * c-common.c (format_char_info): Add new field hhlen.
2386 (print_char_table, scan_char_table, time_char_table): Initialize
2387 hhlen field appropriately.
2388 (char_format_info): Recognize hh modifier and lookup correct char
2391 Mon May 4 19:15:29 1998 Jim Wilson <wilson@cygnus.com>
2393 * expr.c (expand_expr, case INDIRECT_REF): Don't optimize string
2394 reference if this is a store.
2396 Mon May 4 17:25:17 1998 Richard Henderson <rth@cygnus.com>
2398 * sparc.c (output_move_quad): Fix typo in mov_by_64 argument.
2400 Sun May 3 23:57:25 1998 Robert Lipe <robertl@dgii.com>
2402 Make UnixWare 7 bootstrap support work with final shipping product.
2403 * configure.in: (i[34567]86-*-sysv5): append, not overwrite, xm_file.
2404 Pick up xm-siglist and xm-alloca.
2405 (xm_defines): Add USG so dbxout will build.
2406 * configure: Regenerate.
2408 Sun May 3 13:51:34 PDT 1998 Richard Henderson <rth@cygnus.com>
2410 Support for official Sparc V9 ABI:
2411 * sparc.c (sparc_override_options): Force stack bias off for !arch64.
2412 Care for flag_pcc_struct_return default.
2413 (output_move_quad): Rewrite to move by halves on v9 and in the
2415 (move_quad_direction): New function.
2416 (output_fp_move_quad): Use it to determine the direction of copy.
2417 (function_arg_slotno): Return -1 for FP reg overflow as well.
2418 (function_arg_record_value*): New functions.
2419 (function_arg): Use them. Streamline unprototyped parameter passing.
2420 (function_arg_pass_by_reference): Pass TCmode by reference.
2421 (function_value): New function.
2422 * sparc.h (PTRDIFF_TYPE, SIZE_TYPE): For -pedantic's sake, don't use
2423 long long in 64-bit mode.
2424 (RETURN_IN_MEMORY): v9 returns structs < 32-bytes in regs.
2425 (DEFAULT_PCC_STRUCT_RETURN): Make the default detectable.
2426 (BASE_RETURN_VALUE_REG): Consider complex float types for arch64.
2427 (BASE_OUTGOING_VALUE_REG, BASE_PASSING_ARG_REG): Likewise.
2428 (BASE_INCOMING_ARG_REG): Likewise.
2429 (FUNCTION_VALUE): Call function_value.
2430 (FUNCTION_OUTGOING_VALUE, LIBCALL_VALUE): Likewise.
2431 * sparc.md (movdi_sp32_v9): Disable for arch64.
2432 (movsf, movdf, movtf): Sort all ulternatives using fp regs first.
2433 (call_value_address_sp64): Remove register class constraints.
2434 (call_value_symbolic_sp64): Likewise.
2435 (nonlocal_goto): Pass label reg directly to goto_handlers. Constrain
2436 v9 case to 32-bit constants.
2437 (goto_handler_and_restore_v9): Provide a version for arch64.
2438 * sparc/linux64.h (SIZE_TYPE, PTRDIFF_TYPE): Remove private definition.
2439 * sparc/sp64-aout.h (TARGET_DEFAULT): Turn on stack bias.
2440 (CPP_PREDEFINES): New.
2441 * sparc/sp64-elf.h: Likewise.
2442 (PREFERRED_DEBUGGING_TYPE): Dwarf2.
2443 (ASM_OUTPUT_DWARF2_ADDR_CONST): New.
2444 * sparc/sysv4.h (SIZE_TYPE, PTRDIFF_TYPE): Undo svr4.h's changes.
2446 Sat May 2 17:47:17 PDT 1998 Jeff Law (law@cygnus.com)
2448 * version.c: Bump for snapshot.
2450 Sat May 2 01:37:29 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2452 * reload.c (find_reloads): Emit USEs to mark where a pseudo
2453 is reloaded with the MEM of its stack slot.
2454 * reload1.c (cannot_omit_stores): Delete.
2455 (reload): Don't initialize it.
2456 Don't apply avoid_return_reg logic to USEs.
2457 When done, remove USEs that have a REG_EQUAL note on them.
2458 (emit_reload_insns): Handle case where we have inherited a MEM.
2459 (choose_reload_regs): Likewise.
2460 (delete_output_reload): Don't use cannot_omit_stores.
2462 Thu Apr 30 18:59:03 1998 Jim Wilson <wilson@cygnus.com>
2464 * Makefile.in (cpp.info, gcc.info): Put -o option before input file.
2466 Thu Apr 30 16:57:34 1998 Michael Meissner <meissner@cygnus.com>
2468 * haifa-sched.c (print_{exp,value}): Various changes to make the
2469 debug output easier to read. Also, use only one buffer, and make
2470 sure the buffer we are passed in doesn't overflow.
2471 (safe_concat): Concatenate to a buffer without overflow.
2473 Thu Apr 30 16:57:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2475 * haifa-sched.c (alloc_{INSN,EXPR}_LIST): Make static to agree
2478 Wed Apr 29 21:45:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2480 * sched.c (new_insn_dead_notes): Check if the register was
2481 used in the original instruction.
2482 * haifa-sched.c (new_insn_dead_notes): Likewise.
2484 Wed Apr 29 13:46:03 1998 Jim Wilson <wilson@cygnus.com>
2486 * dwarf2out.c (scope_die_for): If could not find proper scope,
2487 check for and handle tagged type with incorrect TYPE_CONTEXT.
2489 Wed Apr 29 15:34:40 1998 John Carr <jfc@mit.edu>
2491 * calls.c (expand_call): Fix recognition of C++ operator new.
2493 * alias.c (mode_alias_check): Disable type based alias detection.
2495 Wed Apr 29 15:06:42 1998 Gavin Koch <gavin@cygnus.com>
2497 * config/mips/elf.h (ASM_OUTPUT_DEF,ASM_WEAKEN_LABEL,
2498 ASM_OUTPUT_WEAK_ALIAS): Define.
2499 * config/mips/elf64.h: Same.
2500 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
2501 ASM_WEAKEN_LABEL): Removed.
2503 Wed Apr 29 10:53:29 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2505 * calls.c (expand_call): Bump the length limit on the specially
2506 recognized function names to 17.
2508 Tue Apr 28 17:53:33 1998 Jim Wilson <wilson@cygnus.com>
2510 * ginclude/stddef.h: Add check for _MACHINE_ANSI_H_ for BSD/OS
2511 when undefining macros at the end.
2513 * expr.c (expand_builtin, case BUILT_IN_MEMSET): Break if either
2514 val or len has TREE_SIDE_EFFECTS set.
2516 * sparc.md (mulsidi3): Call const v8plus and v8plus routines.
2517 (mulsidi3_v8plus, const_mulsidi3_v8plus): Delete asterisk from name.
2518 (smuldi3_highpart): Call const v8plus routine.
2519 (smulsi3_highpart_v8plus): Renamed from smulsidi3_highpart_v8plus.
2520 (const_smulsi3_highpart_v8plus): New pattern.
2521 (smulsi3_highpart_sp32): Renamed from smulsidi3_highpart_sp32.
2522 (umulsidi3): Call const v8plus routine.
2523 (umulsi3_highpart): Handle const before v8plus. Call const v8plus
2525 (umulsi3_highpart_v8plus): Renamed from umulsidi3_highpart_v8plus.
2526 (umulsi3_highpart_sp32): Renamed from umulsidi3_highpart_sp32.
2528 Tue Apr 28 08:55:26 1998 Michael Meissner <meissner@cygnus.com>
2530 * m32r.c (*_oper{and|ator}): Change enum arguments and return
2531 values to int, so they can be prototyped even in files that don't
2533 ({small,large}_insn_p): Ditto.
2534 (m32r_select_cc_mode): Ditto.
2535 (gen_compare): Ditto.
2536 (function_arg_partial_nregs): Ditto.
2537 (m32r_setup_incoming_varargs): Ditto.
2538 (init_reg_tables): Add prototype.
2539 (m32r_frame_info): Add prolog_size field.
2540 (m32r_compute_frame_size): Calculate the size of the prologue.
2541 (m32r_first_insn_address): Return prologue size.
2542 (m32r_output_function_prologue): Calculate frame size before
2543 printing out information. Print out the prologue size.
2545 * m32r.h: Prototype all functions in m32r.c.
2546 (FIRST_INSN_ADDRESS): Declare, returning prologue size.
2548 * m32r.md (bcc functions): Cast enum's to int.
2550 * m32r.c (conditional_move_operand): Silence a debug message.
2551 ({small,long}_insn): New predicates.
2553 * m32r.h (TARGET_M32R): New macro.
2554 (PREDICATE_CODES): Rearrange somewhat, add small_insn/long_insn.
2555 (HAIFA_P): Define as 1/0 depending on whether the Haifa scheduler
2557 (ISSUE_RATE): Define as 2.
2559 * m32r.md (insn_size): New attribute.
2560 ({,rev_}branch_insn): Add .s qualifier to branches believed to be
2562 (m32r): New attribute.
2564 * configure.in (enable_haifa): Switch m32r to Haifa by default.
2565 * configure: Regenerate.
2567 (Changes from Nick Clifton <nickc@cygnus.com>)
2568 * m32r.h (EXTRA_CONSTRAINT): Implement 'S' constraint to perfoirm
2569 the equivalent of a negated 'I' constraint.
2570 (PRESERVE_DEATH_INFO_REGNO_P): Define in order to allow peephole
2571 optimisation to work.
2573 * m32r.md (cmp_ne_small_const_insn): Use 'S' constriant rather
2574 than 'I' since the value is negated.
2575 (peephole): Add peephole optimisation to cope with optimization of
2576 divide and subtracts of the same operands.
2578 * m32r.c zero_and_one, emit_cond_move): Add support for MVFC.
2582 * m32r.h (PREDICATE_CODES): Add declaration of machine specific
2585 Tue Apr 28 07:25:53 1998 Manfred Hollstein <manfred@s-direktnet.de>
2587 * Makefile.in (libgcc2.ready): Revert last patch (Apr 24).
2589 Mon Apr 27 18:39:47 1998 Nick Clifton <nickc@cygnus.com>
2591 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Check against
2592 frame_pointer_rtx not FRAME_POINTER_REGNUM.
2594 Mon Apr 27 18:36:28 1998 Jim Wilson <wilson@cygnus.com>
2596 * reg-stack.c: Revert last patch (Apr 20).
2597 (convert_regs): Set insn to PREV_INSN (next) after do while loop.
2599 * m68k/lb1sf68.asm (Laddsf$3): Fix typos in mcf5200 exg code.
2601 * loop.c (check_dbra_loop): New locals jump, first_compare, and
2602 compare_and_branch. Call get_condition to set first_compare.
2603 Set compare_and_branch to number of compare/branch instructions.
2604 Replace PREV_INSN (PREV_INSN (loop_end)) with first_compare.
2605 Replace '2' with compare_and_branch.
2607 Mon Apr 27 15:53:30 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2609 * cplus-dem.c (demangle_qualified): Replace missing else.
2611 Mon Apr 27 20:22:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2613 * sh.c (gen_ashift_hi): Don't make SUBREG of a SUBREG.
2615 Mon Apr 27 18:23:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2617 * sh.c (sh_expand_prologue, sh_expand_epilogue):
2618 If TARGET_DOUBLE_ALIGN, preserve 64 bit stack alignment.
2619 * sh.h (STACK_BOUNDARY): Likewise.
2621 Mon Apr 27 17:22:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2623 * sh.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2625 Mon Apr 27 08:55:23 1998 Michael Meissner <meissner@cygnus.com>
2627 * system.h (abort): If abort is not defined, and neither is
2628 USE_SYSTEM_ABORT, redefine abort to call fprintf and exit,
2629 reporting the line and filename of the error.
2631 * .gdbinit: Add breakpoints on exit and fancy_abort.
2633 * final.c (split_double): Avoid a compiler warning if
2634 BITS_PER_WORD is less than or equal to HOST_BIT_PER_WIDE_INT.
2636 * rtl.h (JUMP_{CROSS_JUMP,NOOP_MOVES,AFTER_REGSCAN}): New macros
2637 for calling jump_optimize.
2639 * toplev.c (rest_of_compilation): Call jump_optimize using JUMP_*
2640 macros, rather than 0/1's.
2642 Sun Apr 26 23:19:10 1998 Richard Henderson <rth@cygnus.com>
2644 * alpha.h (CONST_COSTS): Zero is always free.
2645 (RTX_COSTS): Add EV6 costs. Abort if alpha_cpu is unknown.
2647 Sun Apr 26 15:38:50 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2649 * cplus-dem.c (gnu_special): Fix off-by-one bug when checking the
2650 length in the name of a virtual table.
2652 Sun Apr 26 01:21:06 1998 Richard Henderson <rth@cygnus.com>
2654 * alpha.c (print_operand): Don't add 'v' suffix for ALPHA_FPTM_N.
2656 Sat Apr 25 22:11:38 PDT 1998 Jeff Law (law@cygnus.com)
2658 * version.c: Bump for snapshot.
2660 Sat Apr 25 17:17:15 1998 Jeffrey A Law (law@cygnus.com)
2662 * fold-const.c (fold_convert): Fix typo.
2664 Sat Apr 25 17:55:54 1998 John Carr <jfc@mit.edu>
2666 * alias.c (alias_invariant): New variable.
2667 (record_base_value): New argument INVARIANT.
2668 (memrefs_conflict_p): If a register has an entry in the alias_invariant
2669 array, try substituting that value for the register.
2671 * rtl.h: Declare record_base_value.
2673 * loop.c, unroll.c: Update callers of record_base_value.
2675 * alias.c (find_base_value, find_base_term): SIGN_EXTEND and
2676 ZERO_EXTEND do not affect base values.
2678 Fri Apr 24 15:57:02 1998 Jeffrey A Law (law@cygnus.com)
2680 * dbxout.c (dbxout_type): Fix typo.
2681 (dbxout_range_type): Another HOST_WIDE_INT_PRINT_DEC fix.
2683 * configure.in: Use CC_FOR_BUILD, not BUILD_CC.
2685 Fri Apr 24 16:11:47 1998 John Carr <jfc@mit.edu>
2687 * expr.c (expand_builtin, case MEMSET): Set MEM_IN_STRUCT_P
2688 if the argument is the address of a structure or array.
2690 * configure.in: Enable Haifa scheduler by default for SPARC.
2692 Fri Apr 24 20:55:47 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2694 * cse.c (cse_set_around_loop): Don't do optimization when
2695 new pseudos are created.
2697 Fri Apr 24 11:00:18 1998 Jeffrey A Law (law@cygnus.com)
2699 * dbxout.c (dbxout_type_fields): Use HOST_WIDE_INT_PRINT_DEC
2701 (dbxout_type_method_1, dbxout_type): Likewise.
2702 (print_int_cst_octal, print_octal, dbxout_symbol): Likewise.
2703 (dbxout_type): Fix check for when to print a type range in
2706 Fri Apr 24 16:45:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2708 * (gen_shl_and, in case 1): Fix comparison with mask.
2710 Fri Apr 24 06:46:40 1998 Nick Clifton <nickc@cygnus.com>
2712 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow frame
2713 pointer as second register in REG+REG pair.
2715 Fri Apr 24 09:22:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2717 * c-common.c (check_format_info): Don't check for the 'x' format
2718 character twice, instead check for 'x' and 'X'
2720 Fri Apr 24 08:02:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
2722 * Makefile.in (libgcc2.ready): Add explicit dependancy from
2723 $(STMP_FIXPROTO) to ensure all necessary include files have
2724 been created and to guarantee proper parallel builds.
2726 Fri Apr 24 04:42:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2728 * sh.c (sh_expand_prologue, in !SH3E code): Don't push an extra
2729 register for stdarg functions.
2730 * sh.h (current_function_varargs): Declare.
2731 (FUNCTION_ARG): Ignore NAMED for stdarg functions.
2733 1998-04-23 Jim Wilson <wilson@cygnus.com>
2735 * frame.c, libgcc2.c (stdlib.h, unistd.h): Don't include when
2736 inhibit_libc is defined.
2738 * c-aux-info.c (gen_type): Use DECL_NAME only for TYPE_DECL.
2740 Thu Apr 23 19:09:33 1998 Jim Wilson <wilson@cygnus.com>
2742 * profile.c (tablejump_entry_p): New function.
2743 (branch_prob): Add code to recognize MIPS tablejump entry branch.
2744 Use tablejump_entry_p in MIPS and HPPA tablejump checking code.
2746 Thu Apr 23 15:01:13 1998 Nick Clifton <nickc@cygnus.com>
2748 * config/arm/arm.c (find_barrier): Return as soon as a barrier is
2749 found, rather than at end of the loop, after the insn has been
2752 Thu Apr 23 20:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2754 * sh.c (gen_ashift_hi): Implement right shifts via gen_ashift.
2755 * sh.md (ashrhi3_k, lshrhi3_k, lshrhi3_m, lshrhi3, lshrhi3+1): Delete.
2757 Wed Apr 22 17:07:35 1998 Michael Meissner <meissner@cygnus.com>
2759 * loop.c (note_addr_stored): Correct function to take 2 arguments,
2762 * rtl.def (MATCH_INSN2): Add new matching pattern.
2763 * genrecog.c (add_to_sequence): Support MATCH_INSN2.
2765 Wed Apr 22 15:52:22 1998 John Carr <jfc@mit.edu>
2767 * emit-rtl.c (gen_highpart): The high part of a CONST_INT is not zero
2768 if HOST_BITS_PER_WIDE_INT is larger than BITS_PER_WORD.
2770 * final.c (split_double): Sign extend both halves of a split CONST_INT.
2772 Wed Apr 22 10:42:45 1998 Jeffrey A Law (law@cygnus.com)
2774 * mips.c (compute_frame_size): Change only argument to a HOST_WIDE_INT.
2776 Wed Apr 22 10:53:49 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2778 * cplus-dem.c (struct work stuff): Add field for B and K mangle codes.
2779 (cplus_demangle_opname): Call mop_up_squangle.
2780 (cplus_demangle): Initialize squangle info, then call
2781 internal_cplus_demangle. (Most code moved there as well)
2782 (internal_cplus_demangle): New function, performs most of what use
2783 to be done in cplus_demangle, but is only called with this file.
2784 (squangle_mop_up): New function to clean up B and K code data.
2785 (mop_up): set pointers to NULL after freeing.
2786 (demangle_signature, demangle_template, demangle_class): Add
2787 switch elements to handle K and B codes.
2788 (demangle_prefix, gnu_special, demangle_qualified): Add
2789 code to handle K and B codes.
2790 (do_type, demangle_fund_type): Handle B and K codes.
2791 (remember_Ktype): New function to store K info.
2792 (register_Btype, remember_Btype): New functions for B codes.
2793 (forget_B_and_K_types): New function to destroy B and K info.
2795 1998-04-21 Jim Wilson <wilson@cygnus.com>
2797 * stmt.c (check_seenlabel): When search for line number note for
2798 warning, handle case where there is no such note.
2800 Tue Apr 21 20:48:37 1998 John Carr <jfc@mit.edu>
2802 * genemit.c (gen_exp): Allow machine description to set mode of
2805 Tue Apr 21 16:36:01 1998 John Carr <jfc@mit.edu>
2807 * alias.c (mode_alias_check): New function.
2808 (true_dependence, anti_dependence, output_dependence): Call
2811 Tue Apr 21 12:05:32 1998 Jeffrey A Law (law@cygnus.com)
2813 * mips.h (STACK_BOUNDARY): Allow specific targets to override.
2814 (MIPS_STACK_ALIGN): Similarly.
2816 * c-common.c (type_for_mode): Handle TI types.
2817 * c-decl.c (intTI_type_node, unsigned_int_TI_type_node): Define.
2818 (init_decl_processing): Handle TI types.
2819 * c-tree.h (intTI_type_node, unsigned_int_TI_type_node): Declare.
2821 * mips.c (block_move_loop): Test Pmode == DImode instead of
2823 (expand_block_move, save_restore_insns): Likewise.
2824 (function_prologue, mips_expand_prologue): Likewise.
2825 (mips_expand_epilogue): Likewise.
2826 * mips.h (POINTER_SIZE): Allow specific targets to override.
2827 (Pmode): Allow specific targets to override.
2828 (FUNCTION_PROFILER): Test Pmode == DImode instead of TARGET_MIPS64
2829 (POINTER_BOUNDARY, FUNCTION_MODE): Likewise.
2830 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2831 (TRAMPOLINE_ALIGNMENT, INITIALIZE_TRAMPOLINE): Likewise.
2832 (CASE_VECTOR_MODE, ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
2833 (ASM_OUTPUT_ADDR_DIFF_ELT, SIZE_TYPE, PTRDIFF_TYPE): Likewise.
2834 * mips.md (indirect, tablejump & casesi support): Test for
2835 Pmode == DImode instead of TARGET_MIPS64.
2836 (call patterns): Likewise.
2838 Tue Apr 21 09:43:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2840 * objc/sendmsg.c: Define gen_rtx_MEM() to 1, as is already done
2841 for gen_rtx(MEM, ...).
2843 Tue Apr 21 02:15:36 1998 Richard Henderson <rth@cygnus.com>
2845 * sparc.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Rewrite
2846 to not be so gross, and to properly function with PIC.
2848 Mon Apr 20 20:44:25 1998 Jim Wilson <wilson@cygnus.com>
2850 * frame.c (heapsort): Rename to frame_heapsort.
2852 * gcc.c (do_spec_1, case '['): Move flag out of loop and initialize it.
2854 Mon Apr 20 12:43:09 1998 Doug Evans <devans@canuck.cygnus.com>
2856 * flow.c (sbitmap_vector_alloc): Ensure sbitmaps properly aligned.
2858 Mon Apr 20 15:04:14 1998 John Wehle (john@feith.com)
2860 * i386.md (movsf_push, movdf_push, movxf_push): Allow memory
2861 operands during and after reload.
2863 Mon Apr 20 22:37:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2865 * final.c (shorten_branches, init_insn_lengths): Move code
2866 to free label_align, uid_shuid, insn_lengths, insn_addresses
2867 and uid_align from the former function into the latter one;
2868 Add code to clear these variables.
2869 * sh.h (label_align): Remove declaration.
2871 Mon Apr 20 14:48:29 1998 Michael Meissner <meissner@cygnus.com>
2873 * gcc.c (lang_specific_driver): Declare prototype properly so
2874 fatal can be passed to it without error.
2876 * configure.in (AC_CHECK_FUNCS): Check for strchr and strrchr.
2877 * configure: Regenerate.
2878 * config.in: Add #undef's for strchr and strrchr.
2880 * protoize.c (toplevel): If we have rindex, but not strrchr, map
2882 (file_could_be_converted): Use strrchr, not rindex since rindex is
2883 not defined on Linux systems when _POSIX_SOURCE is defined.
2884 (file_normally_convertible): Ditto.
2885 (process_aux_info_file): Ditto.
2888 * rs6000.md (mov{sf,df} define_splits): When splitting a move of
2889 a constant to an integer register, don't split the insns that do
2890 the simple AND and OR operations, rather just split each word, and
2891 let the normal movsi define split handle it further.
2893 Mon Apr 20 18:19:40 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2895 * sh.c (find_barrier): Fix bug in ADDR_DIFF_VEC handling.
2896 (split_branches): Call init_insn_lengths.
2898 Mon Apr 20 07:37:49 1998 Michael Meissner <meissner@cygnus.com>
2900 * i386.c: Include expr.h to get the change_address prototype
2903 Mon Apr 20 01:00:05 1998 H.J. Lu (hjl@gnu.org)
2905 * reg-stack.c (subst_asm_stack_regs): Change to return the last
2906 new insn generated by this function.
2907 (subst_stack_regs): Likewise.
2908 (convert_regs): Record the last newly generated insn and use
2909 it for change_stack () instead of INSN.
2911 Sun Apr 19 15:41:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
2913 * fix-header.c (enum special_file): Undefine enumerators if they
2914 are already defined by include files.
2915 * fixproto (rel_source_file in unistd.h stdlib.h): Prefix file protection
2916 macro with '__' to not pollute user namespace.
2918 Sun Apr 19 02:42:06 1998 Richard Henderson <rth@cygnus.com>
2920 * haifa-sched.c (queue_to_ready): Fix typo in prototype.
2922 Sat Apr 18 23:52:35 PDT 1998 Jeff Law (law@cygnus.com)
2924 * version.c: Bump for snapshot.
2926 Sat Apr 18 18:30:22 1998 Jim Wilson <wilson@cygnus.com>
2928 * i386.md (fix_truncsfdi2+[123]): Add + to operand 1 constraints.
2930 * i386.h (CPP_CPU_DEFAULT): Renamed to CPP_CPU_DEFAULT_SPEC.
2931 Add missing -Dpentium* options.
2932 (CPP_CPU_SPEC): Delete redundant definition. Include cpp_cpu_default
2933 instead of CPP_CPU_DEFAULT.
2934 (EXTRA_SPECS): Add entry for cpp_cpu_default.
2936 Sat Apr 18 19:06:59 1998 David Edelsohn <edelsohn@mhpcc.edu>
2938 * rs6000.md (floatsidf2_loadaddr): rs6000_fpmem_offset will be
2939 negative in a stackless frame.
2940 * rs6000.c (rs6000_stack_info): Don't include fixed-size link area
2941 in stackless frame size. Support 64-bit stackless frame size.
2942 Combine fpmem offset calculations and don't add total_size to
2943 offset if not pushing a stack frame.
2945 Sat Apr 18 15:41:16 1998 Jim Wilson <wilson@cygnus.com>
2947 * regmove.c (fixup_match_1): In three places, in flag_exceptions
2948 check, change p to q.
2950 Sat Apr 18 15:30:49 1998 Jim Wilson <wilson@cygnus.com>
2952 * gcc.c (lang_specific_driver): Add new parm type to prototype.
2953 (added_libraries): New file scope static variable.
2954 (process_command): Initialize added_libraries. Pass it to
2955 lang_specific_driver.
2956 (main): Use added_libraries in check for no input files.
2958 Sat Apr 18 01:23:11 1998 John Carr <jfc@mit.edu>
2960 * sparc.c, sparc.h, sparc.md, sol2.h: Many changes related to V9
2961 code generation. Use 64 bit instructions in 32 bit mode when
2962 possible. Use V9 return instruction. UltraSPARC optimizations.
2964 * sparc.h: Change gen_rtx (CODE to gen_rtx_CODE (.
2966 Fri Apr 17 22:38:17 1998 Jeffrey A Law (law@cygnus.com)
2968 * global.c (global_alloc): Don't pass HARD_CONST (0) to find_reg,
2969 just pass zero. That will work regardless of the size of HARD_REG_SET.
2971 * libgcc2.c (__floatdisf): Fix a couple typos.
2973 Fri Apr 17 17:28:26 1998 Jim Wilson <wilson@cygnus.com>
2975 * Makefile.in (mostlyclean): Delete *.mach and *.bp files.
2977 Fri Apr 17 16:35:35 1998 Greg McGary <gkm@gnu.org>
2979 * emit-rtl.c (gen_highpart): initialize `word' properly for pseudo.
2981 Fri Apr 17 14:30:37 1998 John Carr <jfc@mit.edu>
2983 * emit-rtl.c (operand_subword_force): If a register can not be
2984 accessed by words, copy it to a pseudo register.
2986 Fri Apr 17 14:30:37 1998 Jim Wilson <wilson@cygnus.com>
2988 * rs6000/vxppc.h (CPP_SPEC): Add support for mrelocatable*.
2990 Fri Apr 17 17:01:25 1998 Michael Meissner <meissner@cygnus.com>
2992 * tree.h (mark_seen_cases): Delete declaration.
2994 Fri Apr 17 13:32:20 1998 Jeffrey A Law (law@cygnus.com)
2996 * stmt.c (mark_seen_cases): Make static and add prototype.
2998 Fri Apr 17 11:21:43 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3000 * frame.c: Include stdlib.h and unistd.h to possibly get various
3001 function prototypes. The fixproto script guarantees these header
3002 files exist on the target system.
3003 * libgcc2.c: Likewise.
3005 * gthr-single.h (__gthread_mutex_lock, __gthread_mutex_trylock,
3006 __gthread_mutex_unlock): Add __attribute__ ((__unused__)) to the
3007 function parameters.
3008 * libgcc2.c (__udiv_w_sdiv): Likewise.
3010 Thu Apr 16 22:41:02 1998 Jeffrey A Law (law@cygnus.com)
3012 * varasm.c (asm_output_bss): Add prototype.
3013 (asm_output_aligned_bss): Likewise.
3015 * unroll.c (verify_addresses): Add prototype.
3017 * toplev.c: Add many prototypes. Too many to mention here.
3019 * stmt.c (check_seenlabel): Add prototype.
3021 * rtlanal.c (reg_set_p_1): Add prototype.
3022 (reg_set_last_1): Likewise.
3024 * reorg.c (find_dead_or_set_registers): Add prototype.
3026 * regmove (try_auto_increment): Add prototype.
3028 * reg-stack.c (pop_stack): Add prototype.
3030 * recog.c (validate_replace_rtx_1): Add prototype.
3031 (find_cosntant_term_loc): Likewise.
3033 * loop.c (regs_patch_p): Add prototype.
3034 (add_label_notes, count_nonfixed_reads): Likewise.
3035 (find_single_use_in_loop): Likewise.
3036 (express_from): Surround prototype with #ifdef.
3037 (giv_sort): Similarly.
3039 * jump.c (mark_modified_reg): Add prototype.
3041 * haifa-sched.c (is_prisky): Add prototype.
3042 (queue_to_ready): Likewise.
3044 * genextract.c (gen_insn): Add prototype.
3046 * genemit.c (max_operand_1): Add prototype.
3047 (max_operand_vec, print_code, gen_exp, gen_insn): Likewise.
3048 (gen_expand, gen_explit, output_add_clobbers): Likewise.
3049 (output_init_mov_optab): Likewise.
3051 * genattrtab.c (attr_hash_add_rtx): Add prototype.
3052 (attr_hash_add_string, write_length_unit_log): Likewise.
3054 * genattr.c (init_range): Add prototype.
3056 * combine.c (sets_function_arg_p): Add prototype.
3058 * expr.c (store_constructor_field): Add prototype.
3059 (get_memory_usage_from_modifier): Likewise
3061 * expmed.c (synth_mult): Add prototype.
3062 (choose_multiplier, invert_mod2n): Likewise.
3064 * except.c (push_eh_entry): Add prototype.
3065 (pop_eh_entry, enqueue_eh_entry, dequeu_eh_entry): Likewise.
3066 (call_get_eh_context, start_dynamic_cleanup): Likewise.
3067 (start_dynamic_handler, can_throw): Likewise.
3068 (output_exception_table_entry, scan_region): Likewise.
3069 (eh_regs, set_insn_eh_region): Likewise.
3071 * dwarfout.c (decl_class_context): Add prototype.
3072 (output_inheritance_die, type_ok_for_scope): Likewise.
3074 * c-lex.c (skip_white_space_on_line): Add prototype.
3076 * alias.c (record_set): Add prototype.
3077 (find_base_term, base_alias_check): Likewise.
3079 * function.c (assign_outer_stack_local): Make static and add prototype.
3081 * haifa-sched.c (build_control_flow): Accept raw data as inputs
3082 instead of computing it locally. Callers changed.
3083 (find_rgns): Several new arguments. Callers changed.
3084 Generally clean up and comment better. Use dominators to
3085 identify reducible loops. Convert some flag arrays to bitmaps.
3086 Convert most of the code to work on pred/succ lists instead of
3087 an edge table. Add comments for future improvements.
3088 (schedule_insns): Allocate temporary tables for flow data, call
3089 routines to compute flow data and pass it along to children as
3091 (debug_control_flow): Delete. Use dump_bb_data instead.
3093 * basic-block.h (compute_dominators): Declare.
3095 * flow.c (dump_sbitmap, dump_sbitmap_vector): New debugging
3097 * basic-block.h: Declare them.
3099 Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
3101 * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
3104 Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
3106 * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
3107 Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated
3108 node is non NULL. Cache last file name and file name identifier node.
3110 1998-04-15 Mark Mitchell <mmitchell@usa.net>
3112 * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get
3113 the length of an array, not TREE_TYPE.
3115 Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com)
3117 * flow.c (sbitmap_union_of_successors): New function.
3118 * basic-block.h (sbitmap_union_of_successors): Declare it.
3120 Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com>
3122 * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop.
3123 Set gnu_ld to gnu_ld_flag inside main loop.
3126 Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com>
3128 * toplev.c (compile_file): Call init_parse using new interface.
3129 (init_lex): Remove declaration.
3131 * c-lex.c (init_parse): Now returns char* containing filename.
3133 Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com)
3135 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing.
3137 Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com>
3139 * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o.
3140 (gen{extract,peep,opinit,output}): Ditto.
3142 * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a
3143 global definition so print-rtl.o can be linked in.
3144 * gen{peep,recog}.c (insn_attr_name): Ditto.
3146 Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com>
3148 * fixincludes: discard empty C++ comments, as found in sys/time.h
3151 Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3153 * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant
3156 Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com)
3158 * emit-rtl.c (operand_subword): Rework slightly to avoid
3159 bogus warning from previous change.
3161 Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com>
3163 * alpha.md: Revert Oct 27 change, as it is superceeded by Kenner's
3164 Nov 8 find_replacement change. Move decls of get_unaligned_address
3165 * alpha.h: ... here.
3167 Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu>
3169 * function.c (assign_parms): Initialize unsignedp before passing
3170 its pointer to promote_mode.
3172 * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND.
3173 (write_test_expr): Allow MATCH_INSN.
3175 Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com>
3177 * install.texi: Update section on warnings that can be safely ignored.
3179 Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com>
3181 * mips.md (reload_outdi): Change the scratch mode from DImode to
3182 TImode. New variable scratch, used instead of operand[2] in template.
3183 Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P.
3185 Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com>
3187 * expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
3189 Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se>
3191 * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.
3193 Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com)
3195 * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
3196 (ASM_FINISH_DECLARE_OBJECT): Likewise.
3198 * Idea and part of the patch from HJ.
3199 * Makefile.in: auto-host.h renamed from auto-config.h. All references
3201 (distclean): Remove auto-build.h too.
3202 * configure.in: Rename host autoconf generated file to auto-host.h.
3203 If host != build, then run autoconf to generate auto-build.h for
3204 the build machine and include it in build_xm_files.
3205 Check for wait.h and sys/wait.h.
3207 * combine.c (simplify_rtx, case TRUNCATE): Respect value of
3208 TRULY_NOOP_TRUNCATION.
3210 Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com>
3212 * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop.
3214 Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com>
3216 * invoke.texi (ld options) Include memset requirements
3217 for options -nodstdlib and -nodefaultlibs.
3219 1998-04-12 Paul Eggert <eggert@twinsun.com>
3221 This change is from an idea suggested by Arthur David Olson.
3223 * c-common.c (decl_attributes, record_function_format,
3224 check_format_info, init_function_format_info):
3225 Add support for strftime format checking.
3226 (enum format_type): New type.
3227 (record_function_format): Now static, and takes value of type
3228 enum format_type instead of int.
3229 (time_char_table): New constant.
3230 (struct function_format_info): format_type member renamed from is_scan.
3231 (check_format_info): Use `warning' rather than sprintf followed by
3232 `warning', to avoid mishandling `%' in warnings.
3233 Change `pedwarn' to `warning', since these warnings do not necessarily
3234 mean the program does not conform to the C Standard, as the code
3235 need not be executed.
3237 * c-tree.h (record_function_format): Remove decl; no longer extern.
3239 * extend.texi: Add documentation for strftime format checking.
3241 Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com)
3243 * mips/ecoffl.h: Do not include mips.h.
3244 * mips/elf.h: Likewise.
3246 * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files.
3247 * mips/ecoff.h: Include "mips/mips.h".
3249 Sat Apr 11 22:42:54 PDT 1998 Jeff Law (law@cygnus.com)
3251 * version.c: Bump for snapshot.
3253 Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com)
3255 * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.
3256 (delete_trivially_dead_insns): Renamed from delete_dead_from_cse.
3257 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns
3258 between loop optimization passes.
3259 * rtl.h: Updated appropriately.
3261 Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com)
3263 Reinstall this patch from Jason.
3264 * function.c (push_function_context_to): Don't call init_emit.
3266 Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com>
3268 * rtl.c (read_skip_spaces): Prevent infinite loops upon
3269 encountering unterminated comments.
3271 Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com)
3273 * emit-rtl.c (operand_subword): Properly handle CONST_INTs for
3276 * configure.in: Handle --with-fast-fixincludes.
3277 (fixincludes): If --with-fast-fixincludes, then use a different
3278 fixincludes program by default.
3279 * Makefile.in (fixinc.sh): New rule.
3281 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
3283 * i386.md (movqi+1): Handle invalid QI register.
3284 (movsf_push-1): Likewise.
3286 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
3288 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
3290 symbolic_memort_operand(), call32_operand(), int8_operand(),
3291 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
3293 uint16_operand(): Made static.
3295 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
3297 * calls.c (expand_call): Fix typo.
3299 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
3301 * c-lex.c (finput): New global.
3302 (init_parse): Always included. Handle !USE_CPPLIB using
3303 code originally in compile_file.
3304 (finish_parse): Update for CPPLIB.
3305 * toplev.c (init_parse, finish_parse): Declare.
3306 (finput): Delete variable. Now in front-ends.
3307 (compile_file): Remove code which is now handled by init_parse
3308 which is unconditionally called. Similarly for finish_parse.
3310 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
3312 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
3313 ASM_WEAKEN_LABEL): Add.
3315 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
3317 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
3318 * configure.in (alpha-*-linux*): Use them.
3320 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3322 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
3323 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
3324 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
3325 (build_expr_wfl): New prototype declaration.
3326 * tree.c (build_expr_wfl): New function, to build
3327 EXPR_WITH_FILE_LOCATION nodes.
3328 (copy_node): Don't zero TREE_CHAIN if copying a
3329 EXPR_WITH_FILE_LOCATION node.
3330 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
3331 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
3333 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
3335 * configure.in (v850): Use t-v850.
3336 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
3338 * protoize.c (creat, read, write): Do not declare.
3340 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
3341 refer to the CODE_LABEL before a dispatch table.
3343 * invoke.texi: Add ARC options.
3345 * gcc.c (proces_command): Improve error message for -o with
3348 * i386/x-cygwin32 (CLIB): Link in advapi32.
3350 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
3351 (ASM_IDENTIFY_LANGUAGE): Likewise.
3353 * i386.md (movqi recognizer): Don't perfom byte increment into
3356 * configure.in (x86-dg-dgux): Run fixinc.dgux.
3358 * i370.h: Fix typo in GEN_INT changes.
3360 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
3361 of an empty arglist in prototype.
3363 * Makefile.in: Remove bytecode crud that crept back in after the
3366 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
3368 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
3369 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
3371 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
3373 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3375 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
3377 * c-lex.c (is_class_name): Delete declaration.
3378 (whitespace_cr): Make static and add prototype.
3379 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
3380 yylex, get_directive_line): Turn declarations into prototypes.
3381 (position_after_whitespace, check_newline, yyerror,, is_class_name,
3382 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
3384 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
3386 * gencodes.c (gen_insn): Add prototype.
3387 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
3388 gen_peephole): Add prototypes.
3389 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
3391 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
3392 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
3393 genheader, gencode): Add prototypes.
3394 * genopinit.c (gen_insn): Add prototype.
3395 * genoutput.c (output_prologue, output_epilogue, scan_operands,
3396 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
3397 gen_expand, gen_split, n_occurrences): Add prototypes.
3398 * genpeep.c (gen_peephole): Add prototype.
3399 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
3400 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
3401 labels_in_range_p, count_loop_regs_set, note_addr_stored,
3402 loop_reg_used_before_p, scan_loop, replace_call_address,
3403 skip_consec_insns, libcall_benefit, ignore_some_movables,
3404 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
3405 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
3406 check_final_value, record_giv, update_giv_derive, basic_induction_var,
3407 simplify_giv_expr, general_induction_var, consec_sets_giv,
3408 check_dbra_loop, express_from, combine_givs_p, combine_givs,
3409 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
3410 last_use_this_basic_block, record_initial, update_reg_last_use,
3411 iteration_info, analyze_loop_iterations, insert_bct,
3412 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
3415 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
3417 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3419 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
3421 * config/mips/mips.c (siginfo): Deleted.
3422 (override_options): Don't install SIGINFO signal handler.
3424 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
3426 * loop.c (check_dbra_loop): When normalize comparison_val, add check
3427 to verify it is non-negative.
3429 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
3431 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
3432 (alpha_expand_block_clear): Likewise.
3434 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
3436 * tree.h (sizetype_tab): Fix previous change for K&R.
3438 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
3440 * version.c: Bump for snapshot.
3442 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
3444 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
3445 Add USG and POSIX to xm_defines.
3447 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
3449 * gcc.c: Add linker spec.
3450 (link_command_spec): Use %(linker) instead of ld.
3451 (main): If collect2 is requested as the linker, see if it exists;
3452 if not, use ld instead.
3454 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
3456 (install-collect2): Install as collect2, not ld.
3458 * configure.in(will_use_collect2): It's named collect2 now.
3460 * collect2: Remove checks to see if we were invoked recursively.
3461 (collect_execute): Use _spawnvp under cygwin32.
3463 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
3465 * haifa-sched.c (build_control_flow): Set unreachable for block whose
3466 only predecessor is itself.
3468 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3470 * c-parse.in: Include system.h, and remove stuff now made redundant.
3473 * protoize.c: Likewise. Properly check for cpp stringification.
3475 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
3478 * objc/Make-lang.in (objc-parse.o): Likewise.
3480 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3482 * gansidecl.h: Check if compiler supports __attribute__. Provide
3483 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
3484 __attribute__ when its available. Also provide definitions for
3485 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
3486 terms of ATTRIBUTE_PRINTF.
3488 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
3491 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
3493 * combine.c (can_combine_p): Include successor in volatile test.
3495 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3497 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
3500 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
3502 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
3503 in prototype and definition.
3505 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
3507 * version.c: Bump for snapshot.
3509 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
3511 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
3512 alpha_expand_unaligned_store_words.
3514 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
3516 * i386.md (movsf_push, movsf_mem): Remove.
3517 (movsf_push): Rename from movsf_push_nomove and move in front of
3518 movsf. Use nonmemory_operand predicate and don't bother checking
3520 (movsf_push_memory): New pattern.
3521 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
3522 both operands refer to memory then force operand[1] into a register.
3523 (movsf_normal): Change to unnamed pattern.
3524 Likewise for movdf, movxf, and friends.
3526 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
3528 * version.c: Bump for snapshot.
3530 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
3532 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
3534 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
3536 * configure.in (mips-wrs-vxworks): New target.
3538 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
3540 * expmed.c (synth_mult): The value -1, has no zeros, so it can
3541 never have the form ...011.
3543 * version.c: Bump for snapshot.
3545 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
3547 * i386.c (asm_output_function_prefix, load_pic_register):
3548 Use ASM_GENERATE_INTERNAL_LABEL properly.
3549 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
3550 (print_operand): Ignore it.
3551 (load_pic_register): Use it for the got load call.
3552 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
3553 (prologue_get_pc_and_set_got): Likewise.
3554 * i386.h: Update print_operand docs.
3556 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
3558 * i386.md (ffssi, ffshi): Rewrite as define_expands.
3559 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
3560 * i386.c (notice_update_cc): Recognize unspec 5.
3562 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
3564 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
3565 * alpha.c (print_operand): Handle it.
3566 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
3568 (fix_truncdfdi2): Likewise.
3570 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
3572 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
3573 of these into a single struct, with additional [us]sizetype entries.
3574 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
3575 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
3578 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
3580 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
3582 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
3584 * haifa-sched.c (split_block_insns): Don't supress insn splitting
3585 on subsequent passes.
3587 * alpha.c (hard_fp_register_operand): New function.
3588 * alpha.h (PREDICATE_CODES): Add it.
3589 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
3590 f<-m case and accompanying define_split.
3591 (trapb): Use a unique unspec_volatile number.
3593 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
3595 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
3598 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
3600 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
3603 * haifa-sched.c: Mirror recent changes from gcc2.
3605 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
3607 * Makefile.in (insn*.o): Depend on system.h.
3609 * pa.c (output_global_address): Initialize base.
3610 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
3612 1998-04-03 Mike Stump <mrs@wrs.com>
3614 * gthr.h: Support systems that don't have weak, but have threads.
3615 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
3616 * gthr-vxworks.h: New file.
3617 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
3619 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
3621 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
3623 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
3625 * ginclude/va-i960.h (va_end): Change void * to void.
3627 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3629 * Makefile.in (choose-temp.o): Depend on system.h.
3631 * choose-temp.c: Include system.h when IN_GCC.
3633 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
3634 Richard Henderson <rth@cygnus.com>
3636 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
3637 (move_replacements): New function.
3638 * reload.h: Prototype it.
3640 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
3642 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
3644 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
3647 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
3648 (gen_highpart): Likewise.
3649 * final.c (alter_subreg): Allow the target to hook by-mode subreg
3650 hard register number changes.
3652 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
3654 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
3655 rnbitsize, rnmode and rinner.
3656 (make_range): Initialize type.
3657 (fold): Initialize arg0, arg1 and varop.
3659 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
3661 (expand_function_start): Initialize last_ptr.
3663 * stor-layout.c (layout_record): Initialize desired_align.
3664 (get_best_mode): Initialize unit.
3666 * tree.c (copy_node): Initialize length.
3668 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
3670 * caller-save.c (insert_save_restore): Initialize pat, code and
3673 * emit-rtl.c (push_to_sequence): Initialize top.
3674 (push_topmost_sequence): Likewise.
3676 * genattrtab.c (simplify_by_exploding): Initialize defval.
3678 * profile.c (branch_prob): Initialize dest.
3680 * rtl.h (note_stores): Remove duplicate prototype.
3681 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
3683 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
3684 strings that are not actually lengths.
3686 * genattrtab.c: Make generated file use system.h, instead of
3687 including stdio.h, etc directly.
3688 * genextract.c, genopinit.c, genoutput.c: Likewise.
3689 * genpeep.c, genrecog.c: Likewise
3691 * genoutput.c (process_template): Mark operands in the generated
3692 function as potentially unused if compiling with GNU CC.
3694 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
3696 * pa.md (reload peepholes): Remove unused variable "mode".
3698 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
3700 * config/arm/thumb.h: Add super interworking support.
3701 * config/arm/thumb.c: Add super interworking support.
3702 * config/arm/thumb.md: Add super interworking support.
3703 * config/arm/lib1funcs.asm: Add interworking support.
3704 * config/arm/lib1thumb.asm: Add super interworking support.
3705 * config/arm/t-semi: Add interworking support.
3706 * config/arm/t-thumb: Add interworking support.
3707 * config/arm/README-interworking: New file.
3709 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
3711 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
3712 (MD_STARTFILE_PREFIX): Unset.
3714 1998-04-01 Mark Mitchell <mmitchell@usa.net>
3716 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
3717 entity in a local scope.
3719 * fold-const.c (fold): Call truthvalue_conversion for values which
3720 are folded to boolean type.
3722 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
3724 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
3725 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
3726 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
3727 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
3728 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
3729 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
3730 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
3731 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
3732 * md.texi: Likewise.
3734 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
3736 * fixincludes (limits.h): Fix nested comments in Motorola's
3737 limits.h and sys/limits.h.
3739 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
3741 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
3742 as dest of expand_binop call.
3744 * alpha.md (extzv): Correct check for valid operand[2] values.
3746 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
3749 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
3751 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
3753 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
3754 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
3756 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
3757 cygwin32 can override this to allow both unix and win32 style PATHs.
3759 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
3760 style environment paths.
3762 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3764 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
3765 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
3766 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
3769 * cpphash.c: Include config.h.
3770 * cppalloc.c: Include system.h. Add parameters to various
3771 function prototypes.
3772 * cpperror.c: Likewise.
3773 * cppexp.c: Likewise.
3774 * cpphash.c: Likewise.
3775 * cpplib.c: Likewise.
3776 * cppmain.c: Likewise.
3777 * fix-header.c: Likewise.
3779 * gen-protos.c: Likewise.
3780 * gengenrtl.c: Likewise.
3781 * halfpic.c: Likewise.
3783 * scan-decls.c: Likewise.
3786 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
3788 * README.gnat: Add lang_print_xnode definition.
3790 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3792 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
3793 fmovecr on the 68060.
3795 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
3797 * genemit.c (DONE): Rework so that it works in the true arm if
3798 an if-else conditional.
3801 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
3803 * rs6000.c: Do not include stdioh or ctype.h anymore.
3805 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
3807 (stor-layout.o): Likewise.
3808 * c-typeck.c: Include rtl.h and expr.h.
3809 * stor-layout.c: Likewise.
3811 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
3812 All callers changed.
3813 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
3814 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
3815 All callers changed.
3817 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
3819 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
3821 * tree.h (lang_print_xnode): Provide prototype.
3823 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
3825 * version.c: Bump for snapshot.
3827 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
3829 * objc/sendmsg.c (__objc_block_forward): Add braces for return
3830 value if INVISIBLE_STRUCT_RETURN.
3832 * pa.c (arith_double_operand): Fix parens.
3834 * haifa-sched.c (print_pattern): Correct arg to sprintf.
3836 * Makefile.in (libgcc1.null): Make return type for __foo void.
3838 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
3840 * pa.h: Add declarations for many functions defined in pa.c.
3842 * genpeep.c (main): Remove unused variable 'i' from the generated
3845 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
3846 (gen_split): Likewise.
3847 (main): Rework generated definitions of DONE and FAIL so that they
3848 no longer use gotos. Avoids warnings about unused labels.
3850 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
3851 unused "junk" variable.
3853 * genattrtab.c (write_complex_function): Add a default case in
3854 generated switch statement to keep -W -Wall quiet.
3856 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
3858 * invoke.texi: Document more ARM and Thumb command line options.
3860 * config/arm/xm-thumb.h: New file.
3862 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
3864 * stmt.c (expand_expr_stmt): Must generate code for
3865 statements within an expression (gcc's `({ ... )}')
3866 even if -fsyntax-only.
3868 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3869 Jeffrey A Law (law@cygnus.com)
3871 * basic-block.h (basic_block_computed_jump_target): Declare.
3872 * flags.h: (current_function_has_computed_jump): Declare.
3873 * flow.c: (basic_block_computed_jump_target): Define.
3874 (flow_analysis): Allocate it. Set current_function_has_computed_jump
3876 (find_basic_blocks): Set current_function_has_computed_jump and
3877 elements of basic_block_computed_jump_target to 1 as appropriate.
3878 * function.c: (current_function_has_computed_jump): Define.
3879 * global.c (global_conflicts): Don't allocate pseudos into stack regs
3880 at the start of a block that is reachable by a computed jump.
3881 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
3883 (subst_stack_regs): Undo change from Sep 4 1997.
3884 (uses_reg_or_mem): Now unused, deleted.
3885 * stupid.c (stupid_life_analysis): Compute
3886 current_function_has_computed_jump.
3887 (stupid_find_reg): Don't allocate stack regs if the function has a
3889 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
3890 the current function has a computed jump. Use the global value
3893 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
3895 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
3896 (DWARF2_UNWIND_INFO): Define to zero.
3898 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
3900 * gcc.c (set_std_prefix): Add declaration.
3901 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
3902 suffix, and update the standard prefix prefix.c uses.
3904 * prefix.c (std_prefix): New global to hold default prefix value.
3905 (get_key_value): Change to use std_prefix instead of PREFIX.
3906 (translate_name): Ditto.
3907 (update_path): Ditto.
3908 (get_key_value): Release allocated scratch storage.
3909 (set_std_prefix): New function to reset the standard prefix.
3911 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3913 * sh.c (find_barrier): Fix calculations for alignment increase.
3915 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
3917 * Makefile.in (stmp-fixinc): If we're actually fixing include
3918 files, copy gcc's assert.h into the fixed include dir.
3919 * fixincludes (assert.h): Avoid any attempts to fix a probably
3920 broken system specific assert.h file.
3921 * fixproto (stdlib.h): Make sure, it'll contain a definition of
3924 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
3926 * regclass.c (reg_scan_mark_refs): Be more selective about
3927 when we mark a register with REGNO_POINTER_FLAG.
3929 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3931 reload inheritance improvement:
3932 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
3933 Change meaning: index is now hard reg number.
3934 (reg_reloaded_valid, reg_reloaded_dead): New variables.
3935 (reload_spill_index): Content is now a hard reg number.
3936 (reload_as_needed): Change to fit new variable meaning.
3937 (forget_old_reloads_1, allocate_reload_reg): Likewise.
3938 (choose_reload_regs, emit_reload_insns): Likewise.
3940 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3942 * regclass.c (record_reg_classes): '?' increases cost by two.
3944 * reload.c (find_reloads): Double previous costs. Output
3945 reloads cost one unit extra.
3947 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
3948 boiled down to && ! 0.
3950 * reload.c (find_equiv_reg): Also consider a goal offset from the
3951 frame pointer to be constant.
3953 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3955 * sh.h (OPTIMIZATION_OPTIONS): Define.
3957 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
3959 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
3961 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
3963 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
3965 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
3967 * c-common.c (check_format_info): Initialize type, is_type. New local
3968 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
3969 when pedantic if used with integral format specifier.
3971 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
3973 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
3975 (function_arg_padding): Declare.
3977 * rs6000.c: Include system.h.
3978 (function_arg_padding): Change return type to int, cast enum's to
3981 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
3982 * collect2.c (scan_prog_file): Add explicit braces to avoid
3985 * dbxout.c (dbxout_type_fields): Add braces around empty body in
3987 (dbxout_type): Likewise.
3989 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
3990 `ptt_size' from int to size_t.
3991 (rs6000_file_start): Likewise for `i'.
3992 (rs6000_replace_regno): Add default case in enumeration switch.
3993 (output_epilog): Remove unused variable `i'.
3994 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
3997 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
3999 (get_issue_rate, non_logical_cint_operand): Add prototype.
4000 (rs6000_output_load_toc_table): Ditto.
4002 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
4005 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
4007 * config/arm/thumb.c: New File. Support for ARM's Thumb
4009 * config/arm/thumb.h: New File. Thumb definitions.
4010 * config/arm/thumb.md: New File. Thumb machine description.
4011 * config/arm/tcoff.h: New File. Thumb COFF support.
4012 * config/arm/t-thumb: New File. Thumb makefile fragment.
4013 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
4015 * configure.in: Add Thumb-coff target.
4016 * configure: Add Thumb-coff target.
4017 * config.sub: Add Thumb-coff target.
4019 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
4021 * loop.c (scan_loop): Initialize move_insn_first to zero.
4023 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
4025 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
4026 * config/i386/rtems.h: Likewise.
4027 * config/i960/rtems.h: Likewise.
4028 * config/m68k/rtems.h: Likewise.
4029 * config/mips/rtems64.h: Likewise.
4030 * config/pa/rtems.h: Likewise.
4031 * config/rs6000/rtems.h: Likewise.
4032 * config/sh/rtems.h: Likewise.
4033 * config/sparc/rtems.h: Likewise.
4035 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4037 * pa.c (emit_move_sequence): If in reload, call find_replacement.
4039 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
4041 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
4043 * collect2.c (find_a_file): Add debugging.
4044 (find_a_file): Test for win32 style absolute paths if
4045 DIR_SERPARATOR is defined.
4046 (prefix_from_string): Add debugging.
4047 (main): Test for debug command line switch at start of program
4049 (main): Use GET_ENVIRONMENT rather than getenv().
4050 (prefix_from_env): Use GET_ENVIRONMENT.
4052 1998-03-24 Mark Mitchell <mmitchell@usa.net>
4054 * cplus-dem.c (optable): Add sizeof.
4055 (demangle_template_value_parm): New function containing code
4056 previously found in demangle_template.
4057 (demangle_integral_value): New function which handles complicated
4058 integral expressions.
4059 (demangle_template): Use them.
4061 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4063 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
4064 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
4065 genattrtab.o, genoutput.o): Depend on system.h.
4067 * genattr.c: Include system.h. Add arguments to various function
4068 prototypes. Remove redundant prototype of read_rtx().
4069 * genattrtab.c: Likewise.
4070 * gencodes.c: Likewise.
4071 * genconfig.c: Likewise.
4072 * genemit.c: Likewise.
4073 * genextract.c: Likewise.
4074 * genflags.c: Likewise.
4075 * genopinit.c: Likewise.
4076 * genoutput.c: Likewise.
4077 * genpeep.c: Likewise.
4078 * genrecog.c: Likewise.
4080 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
4082 * c-lang.c (lang_print_xnode): New function.
4083 * objc/objc-act.c (lang_print_xnode): Likewise.
4084 * print-tree.c (print_node): Call it
4086 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
4088 * c-parse.in: Recognize protocol qualifiers in class
4089 definitions for objc.
4091 (yyerror): Remove redundant decl.
4092 (yyprint): Fix prototype.
4094 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
4096 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
4098 * stmt.c (unroll_block_trees): Free block_vector if needed.
4100 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
4102 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
4103 (zero_extendsidi2): Avoid useless copy.
4104 (iordi_zext): New pattern.
4105 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
4107 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
4109 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
4110 (ashldi3): Allow constant shift count in range ]32,63].
4111 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
4113 1998-03-22 Mark Mitchell <mmitchell@usa.net>
4115 * tree.h (IS_EXPR_CODE_CLASS): New macro.
4117 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
4119 * h8300.h (CONST_COSTS): Remove definition.
4120 (DEFAULT_RTX_COSTS): Define.
4122 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
4124 * config/sh/rtems.h: Switched from ELF to COFF.
4126 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4128 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
4130 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
4132 * version.c: Bump for snapshot.
4134 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
4135 Geoff Noer <noer@cygnus.com>
4137 * Makefile.in: Various fixes for building cygwin32 native toolchains.
4139 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
4140 * objc/Make-lang.in: Likewise.
4142 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
4144 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
4146 * configure.in: Handle with-PACKAGE=no correctly
4148 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4150 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
4151 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
4152 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
4153 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
4154 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
4155 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
4156 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
4157 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
4158 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
4159 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
4162 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
4163 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
4164 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
4165 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
4166 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
4167 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
4168 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
4169 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
4170 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
4171 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
4172 xcoffout.c: Include system.h. Organize include ordering so
4173 that stdarg/varargs comes before other system headers. Remove
4174 spurious casts of functions assured of a prototype in system.h.
4176 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
4178 * reg-stack.c (pop_stack): Define. Pops any register on the
4179 regstack and adjusts regstack.
4180 (compare_for_stack_reg): Use pop_stack.
4182 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
4184 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
4187 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
4189 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
4191 * fold-const.c (fold): Replace sign-extension of a zero extended
4192 value by a single zero extension.
4194 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
4196 * except.c (init_eh): Do nothing.
4197 (save_eh_status): Call init_eh_for_function, not init_eh.
4198 * function.c (push_function_context_to): Don't call init_emit.
4200 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
4202 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
4205 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4207 * final.c (shorten_branches): Add parentheses around +/- in
4210 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
4212 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
4214 * regclass.c (memory_move_secondary_cost): Wrap uses of
4215 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
4218 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
4220 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
4222 * flow.c (life_analysis): #include <sys/types.h> to make sure
4224 * cplus-dem.c (demangle_function_name): Likewise.
4226 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
4228 * final.c (insn_noperands): Change type to unsigned int.
4229 (final_scan_insn): Likewise for noperands;
4230 properly check operand number boundaries.
4232 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
4234 * alpha.md (extzv): Don't reject register operands. Fix
4237 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
4239 * dbxout.c (dbxout_function_end): Fix last change. The correct
4240 predicate is ASM_OUTPUT_SECTION_NAME.
4242 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
4244 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
4245 (ashlsi): Use match_dup 1 instead of match_operand 2.
4247 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4249 * fold-const.c (operand_equal_for_comparison_p): See if equal
4250 when nop conversions are removed.
4252 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4254 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
4255 don't use ORIGINAL_TARGET unless REG.
4257 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4259 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
4261 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
4263 * loop.c (struct movable): New field move_insn_first.
4264 (scan_loop): In consec sets code, set it. Clear it otherwise.
4265 (move_movables): In consec sets code, use it. Copy REG_NOTES from
4266 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
4269 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
4271 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
4272 is large, and the system doesn't provide atoll or atoq.
4275 * alpha/xm-vms.h (HAVE_ATOLL): Define.
4276 Reported by Klaus Kaempf <kkaempf@progis.de>.
4278 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4280 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
4281 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
4283 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
4284 test !ACCUMULATE_OUTGOING_ARGS.
4286 * collect2.c (write_c_file_glob): Wrap function definition in
4287 macro test !LD_INIT_SWITCH.
4289 * combine.c (try_combine): Wrap variables `cc_use' and
4290 `compare_mode' in macro test EXTRA_CC_MODES.
4292 * cpplib.c (do_ident): Remove unused variable `len'.
4293 (skip_if_group): Remove unused variables `at_beg_of_line' and
4295 (cpp_get_token): Remove unused variable `dummy'.
4297 * dbxout.c (scope_labelno): Move static variable definition inside
4298 the one function scope where it is used.
4299 (dbxout_function_end): Wrap prototype and definition in
4300 macro test !NO_DBX_FUNCTION_END.
4302 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
4303 in macro test !MIPS_DEBUGGING_INFO.
4305 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
4306 into the scope where it is used. Wrap empty else-statement body
4309 * fix-header.c: Fix typo in comment.
4310 (inf_skip_spaces): Cast results of INF_UNGET to (void).
4311 (check_protection, main): Likewise.
4313 * flow.c (find_basic_blocks_1): Remove dangling comment text.
4315 * function.c (contains): Wrap prototype and definition in macro
4316 test HAVE_prologue || HAVE_epilogue.
4317 (fixup_var_refs_1): Remove unused variable `width'.
4319 * gen-protos.c (main): Remove unused variable `optr'.
4321 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
4323 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
4324 (__sjpopnthrow): Remove unused variable `jmpbuf'.
4325 (__throw): Remove unused variable `val'.
4327 * protoize.c: Check for a previously existing definition before
4328 defining *_OK macros.
4330 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
4332 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4334 * vax.h (ADDR_VEC_ALIGN): Define.
4336 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
4338 * gcc.c (default_arg): Don't wander off the end of allocated
4341 (From Geoffrey Keating <geoffk@ozemail.com.au>)
4342 * rs6000.c (small_data_operand): Ensure that any address
4343 referenced relative to the small data area is inside the SDA.
4345 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
4347 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
4349 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4351 * except.h (in_same_eh_region): New prototype.
4352 (free_insn_eh_region, init_insn_eh_region): New prototypes.
4353 * except.c (insn_eh_region, maximum_uid): New static variables.
4354 (set_insn_eh_region): New static function to set region numbers.
4355 (free_insn_eh_region): New function to free EH region table.
4356 (init_insn_eh_region): New function to initialize EH region table.
4357 (in_same_eh_region): New function used to determine if two rtl
4358 instructions are in the same exception region or not.
4359 * final.c (final): Initialize the table indicating which instructions
4360 belong in which exception region.
4361 * genpeep.c (main): Add "except.h" to include file list in generated
4363 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
4364 peepholes involving calls and unconditional branches.
4366 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
4368 * README.gnat: New file.
4370 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4372 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
4373 "recog.h" for offsettable_memref_p.
4374 (legitimize_pic_address): Remove unused variable `offset'.
4375 (notice_update_cc): Change return type to void. Add default label
4377 (standard_68881_constant_p): Remove unused variable mode.
4378 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
4379 (const_int_cost): Explicitly declare as returning int.
4380 (output_dbcc_and_branch): Change return type to void.
4382 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
4383 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
4384 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
4386 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
4388 * version.c: Bump for snapshot.
4390 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4392 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
4393 check for 'M' constraint.
4395 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
4397 * cccp.c (create_definition): If pedantic, call pedwarn for macro
4400 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4402 * i386.c (ix86_logical_operator): New function.
4403 (split_di): Ensure that when a MEM is split, the resulting MEMs have
4405 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
4408 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4409 Richard Earnshaw <rearnsha@arm.com>
4410 Nick Clifton <nickc@cygnus.com>
4412 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
4414 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
4416 * cse.c (rtx_cost): Provide a default case in an enumeration
4417 switch, and call DEFAULT_RTX_COSTS if it's defined.
4419 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
4421 * basic-block.h (compute_preds_succs): Change return type in
4423 * flow.c (compute_preds_succs): Likewise in function definition.
4425 * regmove.c (find_matches): Cast char used as array index to unsigned char
4428 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
4430 * i386.h (RTX_COSTS): Insert braces around nested if.
4431 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
4434 * gcc.c (default_compilers): Properly put brackets around array elements in
4437 * getopt.c (_getopt_internal): Add explicit braces around nested if;
4440 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
4441 (record_reg_life_pat): Add explicit parens around && and || in expression.
4442 (stack_reg_life_analysis): Add parens around assignment used as expression.
4443 (convert_regs): Likewise.
4445 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
4447 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
4448 change callers accordingly.
4450 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
4451 and definition; change all callers accordingly.
4453 * except.c (init_eh): Avoid assignment of unused return value of
4454 build_pointer_type; cast it to void, instead, and remove unused
4457 * gcc.c (lang_specific_driver): Define prototype only #ifdef
4458 LANG_SPECIFIC_DRIVER.
4459 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
4461 * genoutput.c (output_epilogue): Initialize next_name to 0.
4463 * real.c (efrexp): #if 0 prototype and function definition.
4464 (eremain): Likewise.
4471 * reload.c (push_secondary_reload): Define prototype only
4472 #ifdef HAVE_SECONDARY_RELOADS.
4474 * varasm.c (assemble_static_space): Define rounded only
4475 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
4477 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
4479 * i386.md (andsi): Add default case in enumeration switch.
4484 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
4486 * c-decl (finish_struct): Change type of min_align to unsigned.
4488 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
4489 remove unused variable len.
4491 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
4492 comment indicating this is proper behaviour.
4493 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
4495 (based_loc_descr): Likewise.
4497 * enquire.c (bitpattern): Change type of variable i to unsigned.
4499 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
4501 * flow.c (life_analysis): Change type of variable i to size_t;
4502 remove unused variable insn.
4504 * gcc.c (translate_options): Change type of variables optlen, arglen and
4506 (input_filename_length): Change type to size_t.
4507 (do_spec_1): Change type of variable bufsize to size_t.
4508 (main): Change type of variables i and j to size_t;
4509 remove subblock local definition of variable i.
4510 (lookup_compiler): Change type of second argument to size_t;
4511 change type of variable i to size_t.
4513 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
4515 * genopinit.c (get_insn): Change type of variable pindex to size_t.
4517 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
4519 * global.c (global_alloc): Change type of variable i to size_t.
4521 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
4523 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
4524 (expand_end_case): Change type of variable count to size_t.
4526 * toplev.c (main): Change type of variable j to size_t.
4527 (set_target_switch): Change type of variable j to size_t.
4528 (print_switch_values): Change type of variable j to size_t;
4529 remove unused variable flags.
4531 * varasm.c (assemble_variable): Change type of variable align to size_t.
4532 (const_hash_rtx): Change type of variable i to size_t.
4534 1998-03-11 Mark Mitchell <mmitchell@usa.net>
4536 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
4537 TREE_VEC if that's what it really is.
4539 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
4541 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
4544 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
4546 * gthr.h: Changed the comment about return values.
4547 * gthr-solaris.h (__gthread_once): Do not use errno; return the
4548 error number instead of -1.
4549 (__gthread_key_create): Any non-zero return value is an error.
4550 * libgcc2.c (eh_context_initialize): Check for non-zero return
4551 value from __gthread_once.
4552 Check that the value of get_eh_context was really changed.
4554 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4556 * sh.h (LOOP_ALIGN): Only align when optimizing.
4557 * sh.c (find_barrier): Clear inc for CODE_LABELs.
4558 When not optimizing, calculate alignment for BARRIERs directly.
4560 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4562 * final.c (shorten_branches): Remove conditionalizing on
4563 SHORTEN_WITH_ADJUST_INSN_LENGTH
4564 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
4566 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
4568 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
4569 an unconditional jump around deleted blocks.
4571 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
4573 * profile.c (branch_prob): If see computed goto, call fatal instead of
4576 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
4578 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
4579 Patch from Bruno Haible.
4581 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
4582 (assign_parms): Set aggregate if hide_last_arg and last_named.
4584 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4586 * final.c (shorten_branches): Initialize insn_addresses.
4588 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4590 * sh.h (MUST_PASS_IN_STACK): Define.
4592 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
4594 * final.c (shorten_branches): Fix minor logic error in
4595 ADDR_DIFF_VEC shortening support.
4597 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
4599 * version.c: Bump for snapshot.
4601 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
4603 * haifa-sched.c (is_cfg_nonregular): Change return type to
4604 an int. No longer compute "estimated" number of edges. Use
4605 computed_jump_p instead of duplicating the code. Fixup/add
4607 (build_control_flow): Returns a value indicating an irregularity
4608 in the cfg was detected. Count the number of edges in the cfg.
4609 allocate various edge tables.
4610 (find_rgns): No longer look for unreachable blocks.
4611 (schedule_insns): Do not allocate memory for edge tables here.
4612 Free memory for edge tables before returning. Do not perform
4613 cross block scheduling if build_control_flow returns nonzero.
4614 * flow.c (compute_preds_succs): More accurately determine when
4617 * basic-block.h (free_basic_block_vargs): Provide prototype.
4619 * cccp.c (main): Fix dumb mistakes in last change.
4621 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4623 * rtl.h (addr_diff_vec_flags): New typedef.
4624 (union rtunion_def): New member rt_addr_diff_vec_flags.
4625 (ADDR_DIFF_VEC_FLAGS): New macro.
4627 * sh.c (output_branch): Fix offset overflow problems.
4629 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
4630 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
4631 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
4632 * stmt.c (expand_end_case): Supply new arguments to
4633 gen_rtx_ADDR_DIFF_VEC.
4634 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
4635 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
4636 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
4637 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
4638 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
4639 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
4640 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
4641 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
4642 * i386/freebsd.h, i386/linux.h : Likewise.
4643 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
4644 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
4645 * m68k/mot3300.h, m68k/sgs.h : Likewise.
4646 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
4647 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
4648 (CASE_VECTOR_SHORTEN_MODE): Define.
4649 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
4650 (med_branch_p, braf_branch_p): Don't declare.
4651 (mdep_reorg_phase, barrier_align): Declare.
4652 (ADJUST_INSN_LENGTH): Remove alignment handling.
4653 * sh.c (uid_align, uid_align_max): Deleted.
4654 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
4655 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
4656 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
4657 (output_far_jump): Don't use braf_branch_p.
4658 (output_branchy_insn): Don't use branch_offset.
4659 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
4660 Remove paired barrier stuff.
4661 Don't use cache_align_p.
4662 Take alignment insns into account.
4663 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
4665 (barrier_align, branch_dest): New function.
4666 (machine_dependent_reorg, split_branches): Remove infrastructure
4667 for branch shortening that is now provided in the backend.
4668 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
4669 (braf_branch_p, braf_cbranch_p): Likewise.
4670 (attribute length): Use new attributes.
4671 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
4672 (addr_diff_vec_adjust): Delete.
4673 (align_2): Now a define_expand.
4674 (align_log): Now length 0.
4676 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
4678 * m32r.md (right): Correctly check for length == 2, not 1.
4680 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4682 * mips/mips.h: Prototype `machine_dependent_reorg'.
4683 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
4685 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
4687 * final.c (shorten_branches): Restore accidentally removed code.
4689 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4691 * configure.in: Remove duplicate uses of AC_PROG_CC and
4694 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
4696 * configure.in (target_cpu_default2): Correct typo for alphapca56.
4698 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
4699 Doug Evans (devans@cygnus.com)
4701 * haifa-sched.c (build_jmp_edges): Delete dead function.
4702 (build_control_flow): Use cfg routines from flow.c
4703 (schedule_insns): Remove debugging code accidentally checked
4706 * basic-block.h: Add external integer list structures, typdefs,
4707 accessor macros and function declarations. Simlarly for
4708 basic block pred/succ support and simple bitmap stuff.
4709 * flow.c: Add functions for integer list, basic block pred/succ
4710 support and simple bitmap support.
4711 (compute_dominators): New function to compute dominators and
4713 (find_basic_blocks): Split into two functions.
4714 (life_analysis): Likewise.
4715 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
4716 the life_analysis from toplev.c
4717 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
4718 life_analysis instead of flow_analysis.
4720 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4722 * jump.c (jump_optimize): Call mark_jump_label also for deleted
4724 (mark_jump_label): Don't increment ref counts for deleted insns.
4726 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4728 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
4730 * mips/mips.c: Include stdlib.h and unistd.h.
4731 (mips_asm_file_end): Add braces around empty body in an if-statement.
4732 (function_prologue): Wrap variable `fnname' in
4733 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
4734 (mips_select_rtx_section, mips_select_section): Declare as void.
4736 * mips/mips.h: Add prototypes for extern functions in mips.c.
4737 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
4738 (ENCODE_SECTION_INFO): Add braces around empty body in an
4741 * mips/mips.md (movdi): Add parentheses around && within ||.
4742 (movsf, movdf): Likewise.
4743 (branch_zero, branch_zero_di): Add default case in
4747 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
4749 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
4750 real constants, since they can't be changed.
4751 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
4752 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
4753 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
4754 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
4755 * alpha/vms.h (TARGET_OPEN_VMS): New.
4756 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
4758 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
4760 * reload.c (find_reloads): Always force (subreg (mem)) to be
4761 reloaded if WORD_REGISTER_OPERATIONS.
4763 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
4765 * haifa-sched.c (free_list): Rename from free_pnd_lst.
4766 (free_pending_lists): Rename free_pnd_lst uses.
4767 (remove_dependence): Place expunged element on unused_insn_list.
4768 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
4769 gen_rtx_*_LIST and alloc_rtx to use them.
4770 (compute_block_backward_dependences): Free the reg_last_* lists.
4772 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
4774 * cccp.c (main): Avoid undefined behavior when setting pend_includes
4777 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
4779 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
4780 USE_GNULIBC_1 is defined
4781 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
4782 includes the t-linux-gnulibc1 fragment
4784 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
4786 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
4788 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4790 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
4792 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4794 * final.c (shorten_branches): Tag the loop alignment onto the
4795 first label after NOTE_INSN_LOOP_BEG even if there is an
4798 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4800 * final.c (insn_current_reference_address):
4801 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
4802 proper alignment chain.
4804 * final.c (max_labelno): New static variable.
4805 (final_scan_insn): Check max_labelno before outputting an
4806 alignment for a label.
4807 (shorten_branches): Remove unused variable length_align.
4809 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4811 * sparc.c (ultrasparc_adjust_cost): Add default case in
4814 * sparc.h: Add prototypes for extern functions defined in
4817 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
4819 * toplev.c: Only generate <name>.dbr file when dumping RTL if
4820 DEALY_SLOTS is defined.
4822 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
4824 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
4825 in call to fill_slots_from_thread.
4827 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
4829 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
4830 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
4832 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4834 * final.c (insn_last_address, insn_current_align, uid_align):
4836 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
4837 (insn_current_reference_address): Likewise.
4838 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
4839 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
4840 (label_to_alignment): New function.
4841 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
4842 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
4843 insn_current_reference_address instead of insn_current_address.
4844 (or_attr_value, write_length_unit_log): New functions.
4845 (main): Call write_length_unit_log.
4846 (write_const_num_delay_slots): Output extra '\n'.
4847 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
4849 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
4850 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
4851 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
4853 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
4854 (LABEL_ALIGN_AFTER_BARRIER).
4855 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
4856 * ns32k/tek6000.h: Likewise.
4857 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
4858 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
4859 ASM_OUTPUT_ALIGN_CODE.
4861 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
4863 * version.c: Bump for snapshot.
4865 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
4867 * version.c: Bump for snapshot.
4869 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
4871 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
4872 if condition code of jump conflicts with opposite_needed.
4874 * reorg.c (fill_slots_from_thread): Mark resources referenced in
4875 opposite_needed thread. Return delay_list even when cannot get
4876 any more delay insns from end of subroutine.
4878 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
4880 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
4881 All callers changed.
4883 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4885 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
4886 end_fde_sort): New functions for fast sorting of an FDE array.
4887 (fde_insert): Simplified.
4888 (add_fdes): Change argument list.
4889 (frame_init): Use the new functions.
4891 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
4893 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
4895 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
4897 * fold-const.c (fold_range_test): Always return a value.
4899 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
4901 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
4902 data in the text section unless READONLY_DATA_SECTION is defined.
4904 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
4906 * c-parse.in (undeclared variable error): Tweak error message to
4909 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
4911 * version.c: Bump for snapshot.
4913 1998-02-28 Mark Mitchell <mmitchell@usa.net>
4915 * final.c (final_scan_insn): Undo overzealous removal of `set'.
4917 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4919 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
4920 case, add parentheses to specify the proper order of precedence in
4924 * c-aux-info.c: Include string.h/strings.h.
4926 * pa.c: Include stdlib.h.
4927 (pa_combine_instructions): Prototype the function.
4928 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
4929 (reloc_needed): Add default case for enumeration switch.
4930 (remove_useless_addtr_insns): Remove unused variable `all'.
4931 (hppa_expand_prologue): Add explicit braces to avoid
4933 (output_function_epilogue): Remove unused variable `i'.
4934 (output_millicode_call): Remove unused variable `link'.
4935 (shadd_constant_p, forward_branch_p): Make the function static.
4936 (following_call): Explicitly declare to return int.
4937 (pa_reorg): Declare as void.
4938 (pa_combine_instructions): Declare as static void. Add
4939 parentheses around && within ||.
4941 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
4942 following_call, function_label_operand, lhs_lshift_cint_operand
4945 * pa.md: Add parentheses around && within ||.
4947 * cppalloc.c: Include stdlib.h.
4949 * cpperror.c (cpp_print_containing_files): Remove unused variable
4950 `i'. Fix format specifier in fprintf.
4952 * cse.c (cse_around_loop): Add explicit braces to avoid
4954 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
4956 * expr.c (expand_expr): Add parentheses around && within ||.
4958 * final.c (app_enable): Replace fprintf with fputs where there are
4959 no format specifiers and no trailing argument after the string.
4960 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
4961 (app_disable): Likewise.
4962 (final_end_function): Likewise.
4963 (final_scan_insn): Likewise. Remove unused variable `set'.
4964 (profile_function): Wrap empty if-statement body in {} brackets.
4966 * function.c: Include stdlib.h.
4967 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
4968 (reposition_prologue_and_epilogue_notes): Add parentheses
4969 around assignment used as truth value.
4971 * integrate.c (expand_inline_function): Wrap variable
4972 `cc0_insn' in macro HAVE_cc0.
4974 * jump.c (jump_optimize): Wrap variable `q' in macro
4975 HAVE_cc0. Remove unused variable `prev1'.
4977 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
4978 within ||. Fix format specifier in fprintf.
4979 (__bb_init_prg): Add parentheses around assignment used as
4982 * local-alloc.c: Include stdlib.h.
4983 (requires_inout): Add parentheses around assignment used
4986 * loop.c (analyze_loop_iterations): Wrap prototype and definition
4987 in macro HAVE_decrement_and_branch_on_count.
4988 (insert_bct, instrument_loop_bct): Likewise.
4989 (move_movables): Add parentheses around assignment used as
4991 (consec_sets_invariant_p): Likewise.
4992 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
4994 * objc/objc-act.c: Include stdlib.h.
4995 (lookup_method_in_protocol_list): Wrap empty else-statement body
4997 (lookup_protocol_in_reflist): Likewise.
4998 (objc_add_static_instance): Remove unused variables `decl_expr'
5000 (get_objc_string_decl): Remove unused variable `decl'.
5001 (generate_static_references): Remove unused variables `idecl' and
5003 (check_protocols): Wrap empty else-statement body in braces.
5005 * protoize.c: Include stdlib.h.
5006 (substr): Add parentheses around assignment used as truth value.
5007 (abspath): Likewise.
5008 (shortpath): Likewise.
5010 * regmove.c (fixup_match_1): Add parentheses around assignment
5011 used as truth value.
5013 * reload.c (push_secondary_reload): Remove unused variable `i'.
5014 (find_reloads): Add parentheses around assignment used as truth
5017 * reload1.c: Include stdlib.h.
5019 * rtl.h: Correct typo in prototype of offsettable_memref_p.
5021 * stmt.c (add_case_node): Add parentheses around assignment used
5023 (case_tree2list): Likewise.
5025 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
5026 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
5027 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
5028 (merge_attributes): Add explicit braces to avoid ambiguous
5031 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
5034 * varasm.c: Include stdlib.h.
5037 * system.h: Remove sys/stat.h.
5038 * gcc.c: Add sys/stat.h.
5040 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
5041 * genattrtab.c: Likewise.
5042 * genconfig.c: Likewise.
5043 * genemit.c: Likewise.
5044 * genextract.c: Likewise.
5045 * genflags.c: Likewise.
5046 * genopinit.c: Likewise.
5047 * genoutput.c: Likewise.
5048 * genpeep.c: Likewise.
5049 * genrecog.c: Likewise.
5050 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
5052 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5054 * invoke.texi: Use @itemx for a secondary item in a @table.
5056 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
5059 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
5061 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
5063 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
5065 * i386.c (struct machine_function): Add new fields for PIC stuff.
5066 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
5068 (restore_386_machine_status): Corresponding changes.
5069 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
5071 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
5073 * c-parse.y (undeclared variable error): Tweak error message
5076 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
5078 * flags.h (g_switch_value, g_switch_set): Declare.
5079 * alpha.c (override_options): Set g_switch_value=8 if not set.
5080 * alpha/elf.h (CC1_SPEC): New.
5082 (LINK_SPEC): Pass along the -G value we were given.
5083 (LOCAL_ASM_OP): Remove.
5084 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
5085 (MAX_OFILE_ALIGNMENT): New.
5086 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
5087 (EXTRA_SECTIONS): Add sbss and sdata.
5088 (SECTION_FUNCTION_TEMPLATE): New.
5089 (EXTRA_SECTION_FUNCTIONS): Use it.
5090 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
5091 (SELECT_SECTION): Use sdata when small enough.
5092 * alpha/linux.h (ASM_SPEC): Remove.
5095 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5096 * config.sub (sco5): Fix typo.
5098 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
5100 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
5102 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
5103 * config/alpha/t-linux: Remove file.
5104 * config/sparc/t-linux: Remove file.
5105 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
5106 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
5107 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
5109 (alpha*-*-linux-gnu*): Likewise.
5110 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
5111 (sparc-*-linux-gnu*): Likewise.
5113 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
5114 * collect2.c (ldd_file_name): Bracket declaration with same
5116 (full_real_ld_suffix): Deleted. Variable was calloced and
5117 written into, but never read.
5119 1998-02-23 Mike Stump <mrs@wrs.com>
5121 * configure.in: Add support for i386-wrs-vxworks configuration.
5122 * i386/vxi386.h: New file.
5124 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5126 * tree.c (contains_placeholder_p): Ensure function always returns
5128 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
5129 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
5131 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
5133 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
5135 1998-02-22 Paul Eggert <eggert@twinsun.com>
5137 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
5138 Define this new symbol.
5139 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
5140 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
5141 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
5143 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
5145 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
5146 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
5148 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
5150 * objc/Object.m (-error): Call objc_verror with our va_list.
5152 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5154 * collect2.c (scan_prog_file): Completely cover uses of variable
5155 `exports' with macro COLLECT_EXPORT_LIST.
5157 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
5159 * version.c: Bump for snapshot.
5161 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
5163 * sched.c (schedule_block): Remove code to get arguments from hard
5164 regs into pseudos early. Same as Aug 25, 1997 change to
5167 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
5169 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
5171 1998-02-16 Mark Mitchell <mmitchell@usa.net>
5173 * toplev.c (rest_of_compilation): Do not defer the output of a
5176 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
5178 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
5179 continuation character (line 243).
5181 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5183 * genrecog.c (main): Remove duplicated sentence in emitted comment.
5185 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
5186 David Edelsohn <edelsohn@mhpcc.edu>
5188 * collect2.c (XCOFF_SCAN_LIBS): Remove.
5189 (export_flag): New variable.
5190 (export_file): #ifdef COLLECT_EXPORT_LIST.
5191 (import_file, exports, imports, undefined): New variables.
5192 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
5193 (dump_list, dump_prefix_list, is_in_list): New functions.
5194 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
5195 (write_import_file, resolve_lib_name): New functions.
5196 (use_import_list, ignore_library): Same.
5197 (collect_exit): maybe_unlink import_file and #ifdef.
5199 (main): New variable importf, #ifdef exportf. Move parsing of
5200 -shared before general argument parsing. Resolve AIX library
5201 paths and import libgcc.a symbols. Treat .so shared libraries the
5202 same as objects and .a libraries. Create alias for object_lst and
5203 increment it instead of original pointer. Scan AIX libraries as
5204 objects earlier instead of using scan_libraries. Perform AIX
5205 tlink later to resolve templates instead of forking ld.
5206 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
5207 (GCC_UNDEF_SYMBOL): New macro.
5208 (scan_prog_file): Loop for members of AIX libraries. Handle
5209 export/import of ctors/dtors.
5210 (aix_std_libs): New variable.
5211 (scan_libraries, XCOFF): Delete.
5213 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
5215 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
5217 1998-02-19 Mike Stump <mrs@wrs.com>
5219 * Makefile.in: Use $tooldir for sys-include to match toplevel
5222 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
5223 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5225 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
5227 * emit-rtl.c (hard-reg-set.h): Include.
5228 (get_lowpart_common): Don't make new REG for hard reg in a
5229 class that cannot change size.
5230 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
5232 * combine.c: Revert previous patch.
5234 1998-02-19 Paul Eggert <eggert@twinsun.com>
5236 * config/sparc/sol2-sld.h: New file.
5237 * configure.in (sparc-*-solaris2*): Use it when using the
5240 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
5242 * loop.c (force_movables): Fix typo.
5244 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
5246 * m88k.h: Change file pattern to match reality.
5248 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
5250 * varasm.c (output_constant_pool): Fix dumb thinko in last
5253 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
5254 a function name to a section name.
5256 1998-02-18 Doug Evans <devans@cygnus.com>
5258 * tree.h (merge_machine_{type,decl}_attributes): Declare.
5259 (split_specs_attrs, strip_attrs): Add prototypes.
5260 * tree.c (merge_machine_{type,decl}_attributes): New functions.
5261 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
5262 Update olddecl's attributes too.
5263 * c-common.c (strip_attrs): New function.
5264 * c-typeck.c (common_type): Call merge_machine_type_attributes.
5265 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
5266 (make_decl_rtl): Likewise.
5268 1998-02-18 Jim Wilson <wilson@cygnus.com>
5270 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
5272 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
5274 Remove this change until we can fix it correctly.
5275 * collect2.c: Bracket declaration of 'exportf' and
5276 'full_real_ld_suffix'.
5278 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
5280 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
5282 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
5284 * c-common.c (c_expand_start_cond, c_expand_end_cond,
5285 c_expand_start_else): Don't warn about non-ambiguous else even if
5288 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
5290 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
5291 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
5294 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
5296 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
5297 simplifying a subreg of a hard reg.
5298 (expand_compound_operation): Likewise.
5299 (force_to_mode): Likewise.
5301 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5303 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
5304 (lshift_double): Add parentheses around + or - inside shift.
5305 (rshift_double): Likewise.
5306 (size_int_wide): Explicitly set type of `bit_p' to `int'.
5308 * Makefile.in (fold-const.o): Depend on system.h.
5310 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
5313 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
5314 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
5315 (sched_note_set): Remove unused parameter `b', all callers changed.
5316 (schedule_block): Likewise for `rgn'.
5317 (split_hard_reg_notes): Likewise for `orig_insn'.
5318 (check_live): Likewise for `trg'.
5319 (update_live): Likewise.
5320 (check_live_1): Explcitly declare variable `i' as int.
5321 (update_live_1): Likewise.
5322 (insn_issue_delay): Remove unused variable `link'.
5323 (sched_analyze_2): Add default case in enumeration switch.
5324 (schedule_insns): Remove unused variable `i'.
5326 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
5328 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
5330 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
5331 a dangling else clause.
5333 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
5335 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
5336 pointer for the stack pointer in MIPS16 and 64BIT.
5338 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5340 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
5341 * emit-rtl.c (force_line_numbers, restore_line_number_status):
5343 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
5344 (expand_start_case): Adjust to this change.
5345 (check_seenlabel): New function.
5346 (pushcase, pushcase_range, expand_endcase): Use it.
5348 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5350 * i386.md (adddi3): Add =!r,0,0,X alternative.
5352 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
5354 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
5355 * x-aix31 (INSTALL): Delete.
5357 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
5359 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
5360 tsize changes to something other than zero.
5362 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
5364 * ginclude/va-mips.h: Replace casts of pointers to int with
5365 casts of pointers to __PTRDIFF_TYPE__.
5367 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
5369 * loop.c (strength_reduce, record_biv, record_giv): Use
5370 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
5372 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
5374 * tree.c (first_rtl_op): New fn.
5375 (unsave_expr_now): Use it.
5376 * print-tree.c (print_node): Likewise.
5377 * tree.c (has_cleanups): New fn.
5378 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
5379 conservative about pushing the cleanup point down.
5380 * tree.h: Declare them.
5382 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
5384 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
5385 (flag_schedule_reverse_after_reload): Likewise.
5386 (f_options): Remove reverse scheduling support.
5387 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
5388 (flag_schedule_reverse_after_reload): Likewise.
5389 * haifa-sched.c (rank_for_schedule): Remove support for reverse
5392 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5394 * gcc.c: Get system includes, prototypes and macros via "system.h"
5395 instead of doing it manually. Change all calls of the ctype
5396 macros to custom versions defined in "system.h".
5398 * system.h: Fix return type of bcmp prototype from `void' to `int'.
5399 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
5400 Add a prototype for getenv.
5402 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
5404 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
5406 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
5408 * alias.c: Include <stdlib.h> and <string.h>.
5409 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
5411 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
5413 * version.c: Bump for snapshot.
5415 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
5417 * arm.md (movsfcc): Also validate operands[3] when compiling hard
5419 (movdfcc): Only accept fpu_add_operand for operands[3].
5421 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
5422 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
5424 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
5426 * varasm.c (output_constant_pool): Bring back 'done' label inside
5427 an appropriate #ifdef.
5429 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
5431 (bitmap_copy, bitmap_operation): Likewise.
5432 * combine.c (combinable_i3pat): Similarly for 'src'.
5433 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
5434 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
5435 * regclass.c (copy_cost): Similarly for 'secondary_class'.
5436 * reload.c (make_memloc): Simliarly for 'i'.
5437 (find_reloads_address_1): Similarly for 'link'.
5438 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
5439 (emit_reload_insns): Similarly for 'second_reloadreg'.
5440 * unroll.c (iteration_info): Similarly for 'v'.
5442 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
5443 * calls.c (expand_call): Similarly for 'i'.
5444 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
5445 * fold-const.c (strip_compund_expr): Similarly for 'type'.
5446 * function.c (fixup_var_refs_1): Similarly for 'width'.
5447 (fixup_memory_subreg): Similarly for 'saved'.
5448 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
5449 (setjmp_protect): Similarly for 'sub'.
5450 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
5451 * loop.c (record_giv): Similarly for 'p'.
5452 (combine_givs): Similarly for 'temp_iv'.
5453 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
5454 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
5455 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
5456 * unroll.c (unroll_loop): Similarly for 'copy'.
5457 (iteration_info): Similarly for 'b'.
5458 * varasm.c (assemble_string): Similarly for 'i'.
5459 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
5461 1998-02-13 Martin von Loewis <loewis@informatik.hu-berlin.de>
5463 * c-lang.c (lang_print_xnode): New function.
5464 * objc/objc-act.c (lang_print_xnode): Likewise.
5465 * print-tree.c (print_node): Call it
5467 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
5469 * dwarf2out.c (decl_scope_node): New type.
5470 (decl_scope_table): Change type to use it.
5471 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
5472 (push_decl_scope): Use new type. New locals containing_scope, i.
5473 Add code to handle setting previous field.
5474 (scope_die_for): Change type of local i to int. Add code to use
5476 (dwarf2out_init): Use new type.
5478 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
5480 * except.c (emit_throw): Lose throw_used.
5482 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5484 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
5486 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
5488 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
5490 * genextract.c (main): Fix typo.
5492 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
5494 * c-lang.c (finish_file): Bracket declaration of static_ctors,
5497 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
5498 'old_stack_arg_under_construction'
5499 (emit_library_call): Bracket declaration of 'upper_bound',
5500 'lower_bound', 'i', 'reg_parm_stack_space'
5501 (emit_library_call_value): Likewise.
5504 * collect2.c: include <unistd.h> when appropriate.
5505 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
5507 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
5509 * explow.c (plus_constant_for_output_wide): Remove unused variable
5511 (memory_address): Remove unused variable 'orig_x'.
5513 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
5514 (write_const_num_delay_slots): Remove unused variable 'i'.
5516 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
5517 (gen_insn): Remove unused variable 'obstack_ptr'.
5519 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
5521 (__bb_exit_trace_func): Remove unused variable 'e'.
5523 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
5525 (expand_unop): Remove unused variable 'funexp'.
5526 (expand_complex_abs): Remove unused variable 'funexp'.
5527 (init_optabs): Bracket declaration of 'j'.
5528 (init_complex_libfuncs): Deleted. Dead static function.
5530 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
5532 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
5533 (reg_to_stack): 'initialized', 'before_function_beg'
5534 explictly type as ints instead of defaulting.
5535 (emit_swap_insn): Remove unused variable 'i2'.
5536 (compare_for_stack_reg): Remove unused variable 'src_note'.
5538 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
5540 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
5542 * stmt.c (add_case_node): Add parens for assignment used as truth.
5543 (all_cases_count): Remove unused variable 'count_high'.
5544 (mark_seen_cases): Remove unused variable 'i'.
5545 (check_for_full_enumeration_handling): Remove unused variable 't'.
5546 Bracket declaration of 'all_values', 'l'.
5548 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
5550 * varasm.c (assemble_string): Remove unused variable 'i'.
5551 (immed_double_const): Remove unused variable 'in_current_obstack'.
5552 (immed_real_const_1): Likewise.
5553 (output_constant_pool): Remove unreferenced label 'done'.
5554 (output_constant): Remove unused variable 'x'.
5556 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
5559 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
5562 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5564 * combine.c (can_combine_p): Handle USEs in PARALLELs.
5566 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
5568 * config/linux.h (LIB_SPEC): Add -lc for -shared if
5569 USE_GNULIBC_1 is not defined.
5570 * config/sparc/linux.h; Ditto.
5572 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
5574 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
5575 USE_GNULIBC_1 is not defined.
5577 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
5579 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
5582 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5584 * system.h: New file to get common systems includes and various
5585 definitions and declarations based on autoconf macros.
5587 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
5589 * cccp.c (new_include_prefix): Correctly handle -I./.
5591 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
5593 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
5595 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
5597 * expr.c (expand_assignment): Correct typo exposed by -Wall.
5598 offset should have been a truth value, not an assignment.
5600 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
5602 * cse.c (delete_dead_from_cse): If a libcall produces a constant
5603 result and that result can be substituted into SET_SRC of the
5604 insn with the REG_RETVAL note, then perform the substitution
5605 and delete the libcall.
5607 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
5609 * mips.md (trucndihi2,truncdiqi2): Change these to support
5612 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
5614 * mips/mips.c (movdi_operand): Direct referances to symbols
5615 that arn't mips16 consts in mips16 mode arn't valid operands.
5617 * mips/mips.c (mips_move_2words): Add gprel handling.
5619 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
5621 * mips.md (extendsidi2): Allow extension to/from a non-mips16
5624 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
5626 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
5629 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5631 * Makefile.in (WARN_CFLAGS): New variable.
5632 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
5634 1998-02-11 Mark Mitchell <mmitchell@usa.net>
5636 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
5637 falling through default case in switch.
5638 (i386_aligned_p): Likewise.
5640 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
5642 * mips/mips.h (mips_abi_string): Correct typo in comment.
5644 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
5646 * mips/mips.md (movdi): These PLUS's need to be Pmode.
5648 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5650 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
5651 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
5652 indirectly via expr.h.
5654 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
5656 * stor-layout.c (layout_type): Do upper - lower in the native type,
5657 so as to properly handle negative indices.
5659 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
5661 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
5662 (expand_eh_region_start_tree): Remove unused variable 'note'.
5663 (exception_optimize): Remove unused variable 'regions'.
5664 (expand_builtin_eh_stub): Remove unused variable 'temp'.
5665 (copy_eh_entry): Deleted. Dead function.
5667 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
5668 'last' with same #if HAVE_load_multiple as use of it.
5669 (move_block_from_reg): Likewise.
5670 (emit_move_insn_1): Remove unused variable 'insns'.
5671 (store_constructor): Bracket declaration of startb, endb with
5672 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
5673 'target', and 'xtarget'.
5674 (expand_builtin_setjmp): Remove unused variables 'op0',
5675 'next_arg_reg', 'old_inhibit_defer_pop'.
5676 (expand_builtin): Remove unused variable 'offset'.
5677 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
5678 (emit_queue): Add parens for assignment used as conditional.
5679 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
5681 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
5683 * i386.c: Added include for recog.h.
5684 (override_options): Removed unused variable p. Initialized regno to
5686 (order_regs_for_local_alloc): Initialized regno to avoid warning.
5687 (legitimize_address): Likewise for 'other'.
5688 (i386_aligned_reg_p): Added default case with abort ().
5689 (print_operand): Likewise.
5690 (reg_mentioned_in_mem): Likewise.
5691 (ix86_expand_binary_operator): Removed unused variables i & insn.
5692 (ix86_expand_unary_operator): Removed unused variable insn.
5693 (output_fp_cc0_set): Removed unused variable unordered_label.
5695 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
5697 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
5698 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
5699 and format string match.
5701 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
5703 * flow.c (life_analysis): Do not conside the stack pointer live at
5704 the end of a function if the fucntio ncalls alloca.
5705 (mark_used_regs): Similarly.
5707 1998-02-10 John F Carr <jfc@mit.edu>
5709 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
5710 1, fzero on alternative 8.
5712 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5714 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
5716 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5718 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
5719 SUBREGs of CONST_INTs.
5721 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
5723 * mips.c (print_operand, function_prologue): Make printf format
5724 match argument type.
5726 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5728 * alpha.c (alpha_return_addr): Remove unused variable `first'.
5729 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
5730 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
5732 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5734 * loop.c (strength_reduce): When placing increment for auto-inc
5735 case, do comparison in loop order.
5737 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
5739 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
5740 not a HOST_WIDE_INT.
5742 * calls.c (expand_call): Change test of expand_inline_function
5743 return value to stop compiler warning.
5745 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
5747 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
5748 Jeff Law (law@cygnus.com)
5750 * regmove.c: Fix various minor formatting problems.
5751 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
5752 is true. Make end of basic block tests consistent through regmove.c.
5753 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
5754 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
5756 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5758 * gansidecl.h: Check for a conflicting macro definition before
5759 attempting to prototype bcopy, bcmp or bzero.
5761 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
5763 * expr.c (clear_pending_stack_adjust): Handle case where a function
5764 calls alloca, but the user has specified -fomit-fframe-pointer.
5766 * function.c (assign_parms): Fix typo in last change.
5768 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
5770 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
5772 (free_path_suffix): Remove unreferenced static function.
5773 (process_command): Remove unused variable temp.
5774 (default_arg): Remove unused variable i.
5775 (do_spec_1): Add parens for assignment used as truth value.
5777 (validate_all_switches): Likewise.
5778 (main): Remove unused variables i, first_time>
5780 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
5782 * calls.c (expand_call): Remove unused variables funtree,
5783 n_regs, and tmpmode.
5785 * dbxout.c, except.c: Include <string.h>/<strings.h>.
5787 * explow.c: (plus_constant_for_output_wide) Removed unused
5788 variable all_constant.
5790 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
5791 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
5792 genrecog.c, global.c, integrate.c , stupid.c : Include
5795 * genextract.c: (walk_rtx) Remove unused variable link.
5797 * genrecog.c: (concat) Remove unreferenced static function.
5799 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
5801 * stmt.c: Include <stdlib.h>.
5802 (expand_asm_operands): Remove unused variable val1.
5803 (expand_return): Remove unused variable block.
5804 (pushcase): Remove unused variables l and n.
5805 (pushcaserange): Likewise.
5807 * unroll.c (unroll_loop): Remove unused variable temp.
5809 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
5811 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
5813 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5815 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
5816 functions for whether they support the %p format specifier.
5817 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
5818 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
5819 * configure, config.in: Rebuild.
5821 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
5823 * function.c (assign_parms): New variable named_arg, with value
5824 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
5826 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
5828 * mips/t-r3900: New - same as t-ecoff but eliminate
5829 multilibs: mips1 and mips3.
5830 * configure.in (tx39*): Use new mips/t-r3900.
5831 * configure: Rebuild.
5832 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
5834 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
5836 * dwarf2out.c: Add old_args_size.
5837 (dwarf2out_args_size): Use it.
5838 (dwarf2out_begin_prologue): Initialize it.
5839 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
5840 pushed args until we see a call.
5841 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
5842 before outputting them.
5844 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
5846 * cplus-dem.c (demangle_template_template_parm): New function.
5847 (demangle_template): Handle template template parameters.
5849 1998-02-02 Mark Mitchell <mmitchell@usa.net>
5851 * calls.c (expand_call): Don't confuse member functions named
5852 realloc, setjmp, and so forth with the standard library
5853 functions of the same names.
5855 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
5857 * stmt.c (expand_asm_operands): Correctly identify asm statements
5860 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
5862 * c-common.c (decl_attributes): Flag unrecognized attribute
5863 functions as warnings instead of as errors.
5865 1998-02-05 Marc Lehmann <pcg@goof.com>
5867 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
5868 when -Os is specified.
5869 * toplev.c (main): Don't disable flag_inline_functions anymore when
5872 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5874 * regmove.c: Update.
5875 * flags.h (flag_regmove): Declare.
5876 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
5877 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
5878 Moved into regmove; changed caller.
5879 * toplev.c (rest_of_compilation): Call regmove_optimize also for
5880 expensive_optimizations.
5882 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
5884 * version.c: Bump for snapshot.
5886 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5887 Undo this change (the problem was actually in reload):
5888 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5890 * sh.md (movqi_i+1): New peephole.
5892 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
5894 * jump.c (jump_optimize): Lose calls to modified_in_p they are
5895 not needed anymore due to changes elsewhere in jump.c.
5897 * jump.c (jump_optimize): Fix first arg to modified_in_p in
5900 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
5902 * expr.c (expand_builtin_setjmp): Accept two new arguments for
5903 the labels to branch to on first and subsequent executions. Don't
5904 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
5905 and provide it with the jmp_buf. Use only one of
5906 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
5907 and provide the former with the target label.
5908 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
5909 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
5910 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
5911 insn to replace all of the normal nonlocal_goto code. Don't play
5912 with __dummy. Correct arguments to nonlocal_goto.
5913 * expr.h (expand_builtin_setjmp): Update prototype.
5914 * except.c (start_dynamic_handler): When using builtin_setjmp,
5915 generate more accurate flow information.
5917 * alpha.md (nonlocal_goto_receiver_osf): Delete.
5918 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
5919 (builtin_longjmp, builtin_setjmp_receiver): New.
5920 * sparc.md (update_return): Disambiguate unspec number.
5921 (nonlocal_goto): Rearrange arguments to match caller in except.c.
5922 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
5924 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
5925 (builtin_setjmp_setup*, builtin_longjmp): New.
5927 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
5929 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
5931 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
5933 * vmsconfig.com: Remove bytecode references.
5935 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5937 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
5938 -fno-sjlj-exceptions works for a target that defines
5939 DWARF2_UNWIND_INFO as zero.
5941 * regmove.c (fixup_match_1): Undo last change which removed some
5942 "useless" code, and add a comment explaining this.
5944 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
5946 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
5949 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
5951 * makefile.vms: Remove bytecode references.
5952 Create genrtl files.
5954 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
5956 * jump.c (jump_optimize): Allow conditional loading of floating point
5957 constants and constants from memory. Reinstalled modified_in_p tests.
5959 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5961 * loop.c (get_condition): Handle sign-extended constants.
5963 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
5965 * expr.c (emit_push_insn): Add code to use movstrti if present.
5967 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
5968 and movstrqi as in emit_block_move ().
5970 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
5972 * config/m68k/x-next: Remove /NextDeveloper/Headers from
5973 the directories to fixinclude - /usr/include is a link
5974 to it and hence its contents are fixed by default.
5976 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
5978 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
5980 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
5982 * cccp.c (main): Predefine __VMS_VER on VMS.
5984 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5986 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
5987 * fold-const.c (size_int): Replace with
5989 (make_bit_field_ref): Use bitsize_int for bit position.
5990 * stor-layout.c (sizetype): Delete.
5991 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
5992 (layout_record, layout_union, layout_type):
5993 Use bitsize_int for bit size.
5994 (set_sizetype): New function.
5995 (make_signed_type, make_unsigned_type): Use it.
5996 * c-decl.c (init_decl_processing): Likewise.
5997 * tree.h (size_int): Don't delcare, #define.
5998 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
5999 (set_sizetype): Declare.
6000 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
6002 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
6003 Convert result to sizetype.
6004 (really_start_incremental_init, push_init_level):
6005 Set type of constructor_bit_index to sbitsizetype.
6006 (push_init_level): Use unsigned arithmetic to determine padding.
6007 (output_init_element): Likewise.
6009 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
6011 * combine.c (simplify_shift_const): Fix typo in last change.
6013 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
6015 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
6016 is (truncate (lshiftrt)).
6018 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
6020 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
6021 Make sure result winds up in TGT.
6022 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
6023 src to be other than DImode.
6024 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
6025 (alpha_expand_unaligned_store_words): Likewise.
6026 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
6027 that source and destination are separately optimized for alignment.
6028 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
6030 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
6032 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
6033 with handling of -32768.
6035 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6037 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
6038 shell variable argument instead of only hard coded functions.
6039 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
6041 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
6042 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
6043 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
6044 declarations for bcopy, bcmp and bzero.
6046 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
6048 * gansidecl.h: If we have bcopy but don't declare it, then do so.
6049 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
6050 bzero, index and rindex if they aren't already present.
6052 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
6054 * toplev.c (close_dump_file): Wrap function prototype for
6055 argument "func" in PROTO.
6056 (dump_rtl): Likewise.
6058 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
6060 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
6062 (output_function_epilogue): Omit epilogue if nothing drops through.
6063 (output_move_double): Supress int ldd usage on ultrasparc and v9.
6064 (registers_ok_for_ldd_peep): Likewise.
6065 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
6066 (ultrasparc_adjust_cost): New function.
6067 (sparc_issue_rate): New function.
6068 * sparc.h (MASK_VIS, TARGET_VIS): New
6069 (MASK_V8PLUS, TARGET_V8PLUS): New.
6070 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
6071 (TARGET_SWITCHES): Add vis and v8plus.
6072 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
6073 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
6074 (RTX_COSTS): Use TARGET_HARD_MUL
6075 (ADJUST_COST): Call ultrasparc_adjust_cost.
6077 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
6078 of load & fp appropritely.
6079 (supersparc function units): Adjust for Haifa.
6080 (ultrasparc function units): Likewise.
6081 (get_pc_via_rdpc): All v9, not just arch64.
6082 (movdi_v8plus, movdi_v8plus+1): New.
6083 (adddi3_sp32+1): New.
6084 (subdi3_sp32+1): New.
6085 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
6086 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
6087 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
6088 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
6089 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
6090 (ldd peepholes): Suppress for v9.
6091 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
6092 (return_subsi): Revmove.
6094 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
6096 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
6097 save/restore MEM rtl.
6099 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
6101 * configure.in: Check for declaration of abort.
6102 * acconfig.h: Corresponding changes.
6103 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
6106 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
6108 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
6111 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
6113 * version.c: Bump for snapshot.
6115 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
6117 * configure.in: Check for atoq and atoll.
6118 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
6119 proper routine for converting ascii into long long values.
6121 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
6123 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
6125 * vmsconfig.com: Remove bytecode references.
6127 * alpha/vms.h (PREFIX): Define.
6129 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
6131 * am-alpha.h: Don't include alloca for OPEN_VMS.
6133 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
6135 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
6136 (GCC_INCLUDE_DIR): Define
6138 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
6139 * makefile.vms: New file.
6141 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
6143 * alpha.c (output_prolog): Output '.name' directive
6144 for minimal traceback information.
6146 * alpha.c (output_prolog): Don't prepend entry point symbols
6147 with '$' on OPEN_VMS.
6149 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
6150 Jeffrey A Law (law@cygnus.com)
6152 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
6155 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
6157 * genemit.c (gen_exp): Likewise.
6158 * genpeep.c (match_rtx): Likewise.
6159 * genrecog.c (write_tree_1): Likewise.
6161 * c-lex.c (yyprint): Use proper format string based upon
6162 disposition of HOST_BITS_PER_WIDE_INT.
6163 (yylex): Put casts in right place for args to build_int_2.
6165 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
6167 * combine.c: Fix typos in Jan27 changes.
6169 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
6171 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
6172 (LINK_SPEC): Likewise.
6173 (STARTFILE_SPEC): Likewise.
6175 1998-01-28 Mike Stump <mrs@wrs.com>
6177 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
6179 * genattrtab.c (reload_completed): Define.
6181 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
6184 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6186 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
6187 SUBREG_REG if the word count is unchanged, also in the input reload
6188 case. Disable non-applicable sanity checks.
6190 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
6192 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
6194 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
6196 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
6198 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
6200 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
6201 is a TREE_VEC before trying to use it for baseclasses.
6202 (Chill uses the same field for a different purpose.)
6204 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
6206 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
6208 * config.sub: More accurate determination of HP processor types.
6210 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6212 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
6213 prototype for `handle_sysv_pragma', and make it static. Add
6214 parentheses around assignment used as truth value.
6216 * combine.c (combine_instructions): Protect variable `prev' with
6218 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
6219 (extract_left_shift): Add parentheses around operand of &.
6220 (merge_outer_ops): Avoid an empty body in an else-statement.
6221 (gen_rtx_combine): Remove unused variable `i'.
6223 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
6224 function monstartup `void'. Likewise for internal_mcount. Add
6225 `static void' prototype for moncontrol. Reconcile sprintf format
6228 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
6229 Make return type of function_arg_slotno explicitly `int'.
6230 (reg_unused_after): Add parentheses around assignment used as
6232 (save_regs): Add explicit braces to avoid ambiguous `else'.
6233 (function_arg_slotno): Add parentheses around && within ||.
6234 (function_arg_pass_by_reference): Likewise.
6235 (sparc_flat_output_function_prologue): Reconcile fprintf format
6238 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
6239 assignment used as truth value.
6241 * cplus-dem.c: Include <stdlib.h>.
6242 (demangle_signature): Avoid an empty body in an else-statement.
6243 (do_type): Remove unused variable `lvl'.
6245 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
6246 Include <string.h>/<strings.h>.
6247 (cpp_lex): Remove unused variable `namelen'.
6248 (cpp_lex): Explicitly declare `num_chars' as an int.
6250 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
6251 <unistd.h> instead. Explicitly declare is_system_include
6253 (make_assertion): Remove unused variable `kt'.
6254 (cpp_expand_to_buffer): Hide variable `obuf'.
6255 (output_line_command): Remove unused variables, `line_end',
6256 `line_cmd_buf' and `len'.
6257 (macarg): Remove unused variable `arg_start'.
6258 (special_symbol): Remove unused variable `i'. Add parentheses
6259 around assignment used as truth value.
6260 (do_include): Remove unused variables `pcfname' and `retried',
6261 hide `pcf' and `pcfbuflimit'.
6262 (do_line): Remove unused variable `i'.
6263 (finclude): Hide variable `missing_newline'.
6264 (cpp_handle_options): Remove unused variable `j'.
6265 (read_token_list): Remove unused variable `eofp'.
6266 (cpp_error_with_line): Remove unused variable `i'.
6267 (cpp_warning_with_line): Likewise.
6268 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
6269 (cpp_error_from_errno): Remove unused variable `i'.
6271 * cse.c (invalidate): Add parentheses around assignment used as
6273 (find_best_addr): Move declaration of variable `our_cost' inside
6274 the conditional macro where its used.
6275 (fold_rtx): Avoid an empty body in an if-statement.
6276 (cse_insn): Wrap variables `this_insn_cc0_mode' and
6277 `this_insn_cc0' in macro HAVE_cc0.
6279 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
6280 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
6281 (output_uleb128): Likewise.
6282 (output_sleb128): Likewise.
6283 (output_cfi): Likewise.
6284 (output_call_frame_info): Remove unused variables `j', `fde_size'
6286 (comp_unit_has_inlines): Hide declaration as per rest of file.
6287 (size_of_line_prolog): Correct typo in prototype.
6288 (add_arange): Likewise.
6289 (output_aranges): Likewise.
6290 (add_name_and_src_coords_attributes): Likewise.
6291 (gen_array_type_die): Likewise.
6292 (gen_inlined_subroutine_die): Likewise.
6293 (equate_decl_number_to_die): Remove unused variable `i'.
6294 (print_die): Reconcile format vs. args in fprintf's.
6295 (print_dwarf_line_table): Likewise.
6296 (output_die): Likewise.
6297 (output_line_info): Likewise.
6298 (add_subscript_info): Avoid an empty body in an else-statement.
6299 (gen_subprogram_die): Remove unused variable `fp_loc'.
6301 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
6302 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
6303 macro. Protect `src_coords_attribute' prototype with
6304 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
6305 prototype as in the rest of the file. Likewise for
6306 `output_pointer_type_die' and `output_reference_type_die'. Remove
6307 prototype for `type_of_for_scope'.
6308 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
6309 (type_attribute): Add explicit braces to avoid ambiguous `else'.
6311 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
6312 (shorten_branches): Protect declaration of tmp_length with
6313 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
6314 (profile_function): Protect declaration of `sval' and `cxt'
6315 variables with appropriate macros.
6316 (final_scan_insn): Likewise for `note' variable. Add explicit
6317 braces to avoid empty body in an if-statement.
6318 (output_asm_insn): Move variable `i' inside macro conditional
6319 where it is used. Add parentheses around assignment used as truth
6321 (asm_fprintf) Likewise, likewise.
6323 * fix-header.c (main): Remove unused variable `done'. Protect
6324 declaration of `i' with FIXPROTO_IGNORE_LIST.
6326 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
6328 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
6331 * profile.c: Include <string.h>/<strings.h>.
6332 (instrument_arcs): Remove unused variables `note', `inverted',
6333 `zero' and `neg_one'.
6334 (branch_prob): Avoid empty body in an if-statement.
6336 * regclass.c: Include <stdlib.h>.
6337 (reg_alternate_class): Explicitly declare parameter `regno'.
6339 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
6340 parentheses around assignment used as truth value.
6341 (find_matches): Remove unused variables `output_operand' and
6343 (fixup_match_1): Remove statement with no effect: "if (0) ;".
6345 * scan.c (sstring_append): Explicitly declare `count' as int.
6346 (scan_string): Explicitly declare parameter `init' as int.
6348 * sched.c: Include <stdlib.h>.
6349 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
6350 (rank_for_schedule): Add parentheses around assignment used as
6352 (schedule_block): Likewise.
6353 (regno_use_in): Likewise.
6354 (schedule_insns): Remove unused variable `i'.
6356 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
6357 (v_message_with_decl): Remove unused variable `n'.
6358 (botch): Explicitly declare parameter `s' as char *.
6359 (main): Add parentheses around assignment used as truth value.
6361 * tree.c (make_node): Protect the variable `kind' with the
6362 GATHER_STATISTICS macro.
6363 (real_value_from_int_cst): Move variable `e' inside conditional
6364 macro area where it is used.
6365 (tree_last): Add parentheses around assignment used as truth value.
6366 (build1): Protect the variable `kind' with the GATHER_STATISTICS
6368 (print_obstack_statistics): Reconcile format vs. args in fprintf.
6369 Protect variables `i', `total_nodes', and `total_bytes' with the
6370 GATHER_STATISTICS macro.
6372 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
6374 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
6375 some comments regarding use of dead_or_set_p.
6377 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
6379 * fixincludes: Tweak fix for struct exception in math.h
6381 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
6383 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
6384 Change mode of registers used to add/sub from
6385 hard_frame_pointer_rtx from word_mode to Pmode.
6387 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
6389 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
6390 asm_output_aligned_bss() instead of asm_output_bss().
6392 * toplev.c (rest_of_compilation): Replace references to
6393 stack_reg_dump_file and dbr_sched_dump_file with references to
6396 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6398 * tlink.c (scan_linker_output): Call fclose() for opened files.
6400 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
6402 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
6403 compiling with -fpic -- we want to be able to override symbols
6405 (alpha_expand_block_move): Fix thinko in last change.
6407 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
6408 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
6409 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
6411 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
6413 * alpha.md (abssf, absdf): Revert last change.
6415 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
6417 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
6418 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
6420 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
6422 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
6423 a CONST_INT into SFmode.
6425 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
6427 * flags.h: New flag (optimize_size).
6428 * toplev.c (main): Parse -Os option and set optimize_space
6430 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
6431 __OPTIMIZE_SIZE__ when compiling with -Os.
6432 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
6433 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
6434 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
6436 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
6438 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
6440 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
6441 stuff only if MCT_TEXT is #define'd.
6443 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
6445 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
6448 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
6450 * toplev.c: Add -dM command line option to dump RTL after the
6451 machine dependent reorganisation pass, if there is one.
6452 Reorganise RTL dump code, so that only one file handle is
6455 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
6457 * except.c (check_exception_handler_labels): Disable warning when
6460 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
6462 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
6464 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6466 * c-decl.c (grokdeclarator): Get parameter tags from
6467 last_function_parm_tags.
6468 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
6469 traversing the parameter types.
6470 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
6472 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
6474 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
6476 (get_shift_alg): Fix typo.
6478 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
6480 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
6482 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
6484 * toplev.c (get_run_time): Make sure each case gets its variables.
6486 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
6488 * configure.in (build_xm_file): Add auto-config.h if host=build.
6489 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
6490 (build_xm_file_list): Likewise.
6491 * configure: Rebuild.
6493 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
6495 * recog.c (validate_replace_rtx_1): Only perform substitutions
6496 of arguments to commutative and comparison operators once.
6498 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6500 * sparc.c (output_cbranch): Add default case in
6503 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
6504 (emit_delay_sequence): Eliminate unused parameter, all callers
6506 (fill_simple_delay_slots): Likewise.
6507 (fill_slots_from_thread): Likewise.
6508 (fill_eager_delay_slots): Likewise.
6509 (mark_referenced_resources): Add default case in enumeration switch.
6510 (mark_set_resources): Likewise.
6511 (rare_destination): Likewise.
6512 (mostly_true_jump): Likewise.
6513 (find_dead_or_set_registers): Likewise.
6514 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
6515 (update_reg_unused_notes): Remove unused variable `p'.
6516 (mark_target_live_regs): Remove unused variables `next' and
6518 (fill_simple_delay_slots): Remove unused variable `j'.
6519 (fill_slots_from_thread): Add parentheses around assignment used
6521 (dbr_schedule): Likewise.
6523 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
6524 (objc.stage2, objc.stage3, objc.stage4): Likewise.
6526 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
6528 * cse.c (simplify_ternary_operation): Don't try to simplify
6529 IF_THEN_ELSE expressions (created by combine) that don't use
6530 relational operators.
6532 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
6534 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
6537 * crtstuff.c (init_dummy): Keep the epilogue in the init
6538 section for non-ELF systems.
6540 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6542 * sh.md (movqi_i+1): New peephole.
6544 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
6546 * Makefile.in: Remove remaining bytecode stuff.
6547 * emit-rtl.c, expr.c: Likewise.
6549 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
6551 * toplev.c (lang_options): Add unknown-pragma options.
6553 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
6555 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
6556 special (and incomplete) handling for Chill arrays.
6558 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
6560 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
6563 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
6565 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
6567 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
6569 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
6570 .frame directive instead of FRAME_POINTER_REGNUM.
6572 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
6574 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
6575 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
6576 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
6577 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
6578 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
6579 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
6580 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
6581 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
6583 * longlong.h: Replace __mc68332__ with __mcpu32__.
6585 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
6587 * version.c: Bump for snapshot.
6589 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
6591 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
6592 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
6593 * reload1.c (eliminate_regs): Likewise.
6595 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
6597 * regmove.c (find_matches): Initialize matches->earlyclobber too.
6599 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
6601 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
6602 (negsf2, negdf2): Use proper subtract in IEEE mode.
6604 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
6606 * Makefile.in: Remove more bytecode stuff.
6607 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
6608 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
6609 * f/install.texi, objc/Make-lang.in: Likewise.
6611 * Makefile.in: Remove all bytecode support.
6612 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
6613 * emit-rtl.c: Remove all bytecode support.
6614 * expr.c, expr.h function.c, integrate.c: Likewise.
6615 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
6616 * tree.h, varasm.c: Likewise.
6617 * config/m68k/m68k.h: Likewise.
6618 * bi-*, bc-*, bytecode*: Delete bytecode related files.
6619 * modemap.def: Likewise.
6621 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
6623 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
6624 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
6626 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
6628 * i386.md (push): Prohibit symbolic constants if flag_pic.
6629 (movsi+1): Likewise for move to non-register.
6631 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
6633 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
6634 (print_operand): Handle 0xffffffff on 32 bit host.
6636 * configure.in (thread_file): Rename uses before main loop to
6637 target_thread_file. Initialize to empty in main loop. Set thread_file
6638 to target_thread_file after main loop if not set.
6639 * configure: Rebuild.
6641 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
6642 (add_values_to_cover): Revert last change (which had no ChangeLog
6644 (simplify_with_current_value_aux): Handle CONST_INT.
6646 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6648 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
6650 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
6652 * configure.in: Add cpp stringify test.
6653 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
6654 * gengenrtl.c: Use it.
6655 * configure, config.in: Rebuild.
6657 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6659 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
6661 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
6663 * configure.in: Find declaration for sbrk.
6664 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
6665 * config.in, configure: Rebuild.
6666 * mips-tfile.c: Properly protect declaration of sbrk and free.
6667 * toplev.c: Properly protect declaration of sbrk.
6669 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
6671 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
6673 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
6675 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
6677 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
6679 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
6681 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
6683 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
6684 constant offset computations from objects with known alignment in
6685 the presence of STACK_BIAS.
6687 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
6689 (const_hash): Hash val is unsigned long.
6690 (SYMHASH): Likewise.
6692 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
6694 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
6695 char pointer, not HOST_WIDE_INT.
6696 (print_node): Likewise. Also hash is unsigned long not
6699 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
6701 * explow.c (optimize_save_area_alloca): New function for targets
6702 where SETJMP_VIA_SAVE_AREA is true.
6703 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
6704 compute the amount of stack space needed should we find later that
6705 setjmp is never called by this function, stuff rtl for this inside
6706 a REG_NOTE of the final SET of stack_pointer_rtx.
6707 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
6708 current_function_calls_alloca, call optimize_save_area_alloca.
6710 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
6712 * i386.md: Remove redundant integer push patterns.
6713 Don't bother checking for TARGET_PUSH_MEMORY when
6714 pushing constants or registers.
6716 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
6717 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
6719 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
6720 (pwait): New function for mingw32.
6722 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
6723 pipe support is broken for now.
6725 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
6727 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
6728 between frame_pointer_rtx, hard_frame_pointer_rtx, and
6729 arg_pointer_rtx is respected in initialization.
6730 (init_emit_once): Use gen_rtx_raw_REG() to create
6731 return_address_pointer_rtx.
6733 * reorg.c: #include "expr.h" for rtx prototypes.
6734 * Makefile.in (reorg.o): Depend on expr.h
6736 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
6738 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
6739 local_prefix to sub-make invocations.
6741 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
6743 * objc-parse.c: Recognize protocol qualifiers in class definitions.
6745 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
6749 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
6750 * configure.in: Check for atol.
6751 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
6753 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
6755 * loop.c (find_and_verify_loops): When attempting to move insns from
6756 inside the loop outside the loop, create a BARRIER if no suitable
6759 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
6760 favor of an equivalent change from gcc-2.8.
6762 * i386/x-sco5 (CC): Remove trailing whitespace.
6764 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6766 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
6767 (accessor_from_format): Likewise.
6768 (xmalloc): New function for use when linking with alloca.o.
6770 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
6772 * frame.c (find_fde): Correct FDE's upper bound.
6774 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
6776 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
6778 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
6780 * calls.c (expand_call): Move #ifdef code out of macro argument
6782 (emit_library_call, emit_library_call_value): Likewise.
6784 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
6786 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
6788 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
6790 * version.c: Bump for snapshot.
6792 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
6794 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
6795 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
6796 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
6797 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
6798 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
6799 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
6800 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
6801 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
6802 * unroll.c, varasm.c: Likewise.
6803 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
6805 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
6807 * mips.h: Fix some type-o's from a previous change.
6809 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
6811 * loop.c (check_dbra_loop): Make sure initial value is a
6812 CONST_INT before trying to normalize it.
6814 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
6816 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
6818 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
6820 * cppexp.c: Include gansidecl.h
6822 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
6824 * svr4.h (LINK_SPEC): Never specify -h.
6825 * ptx4.h (LINK_SPEC): Likewise.
6826 * rs6000/sysv4.h (LINK_SPEC): Likewise.
6827 * sparc/sol2.h (LINK_SPEC): Likewise.
6829 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
6831 * c-typeck.c (comptypes): Exit early on NULL input.
6833 * haifa-sched.c (schedule_insns): Correctly remove inter-block
6834 dependencies after reload.
6836 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
6838 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
6840 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
6842 * alpha/vms.h (DIR_SEPARATOR): define
6844 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
6846 * Makefile.in (stamp-proto): Remove.
6847 (protoize.o, unprotoize.o): Straightforward compile.
6848 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
6850 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
6852 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
6853 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
6855 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
6857 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
6858 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
6859 * sparc/netbsd.h, vax/netbsd.h: Likewise.
6861 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
6863 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
6865 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
6867 * configure.in (target_cpu_default, target_cpu_default2): Use double
6868 quotes around them when testing their value.
6869 * configure: Rebuilt.
6871 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
6873 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
6875 (gendef): Call obstack_alloc_rtx.
6877 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
6879 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
6882 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
6884 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
6885 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
6886 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
6888 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
6890 * mips.md (return_internal): Change mode from SImode to VOIDmode.
6892 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
6894 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
6897 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
6899 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
6900 suffix from operand 3.
6902 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6903 Jeffrey A Law (law@cygnus.com)
6905 * regmove.c: New implementation of regmove pass.
6906 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
6907 decls, make them have external linkage. Return a value from
6908 optimize_reg_copy_1.
6909 * reload.h (count_occurrences): Add decl.
6910 * reload1.c (count_occurrences): Delete decl, make it have external
6912 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
6914 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
6916 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
6917 if it is not defined.
6919 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
6921 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
6922 * emit-rtl.c (gen_rtx): Move special code to ...
6923 (gen_rtx_CONST_INT): New function.
6924 (gen_rtx_REG): New function.
6925 (*): Update all calls to gen_rtx.
6926 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
6927 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
6928 (GEN_INT): Call gen_rtx_CONST_INT.
6929 * gengenrtl.c: New file.
6931 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
6933 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
6934 (base_alias_check): If no base found for address call canon_rtx and
6937 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
6939 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
6940 arguments for mips16.
6941 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
6942 Don't lose if tsize is zero after handling large stack for mips16.
6943 * mips.md (return): For trivial return, return address is in $31.
6945 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
6947 * mips/mips16.S: Various changes to make it work with -msingle-float
6950 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
6951 Ian Lance Taylor <ian@cygnus.com>
6952 Jeff Law <law@cygnus.com>
6954 * mips.c, mips.h, mips.md: First cut at merging in mips16
6955 support. Major modifications throughout all three files.
6957 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
6959 * configure.in: Make gthr-default.h a forwarding header instead of
6962 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6964 * gcov-io.h: Include sys/types.h to ensure we get size_t.
6966 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
6968 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
6969 Jeffrey A Law (law@cygnus.com)
6971 * crtstuff.c (__frame_dummy): New function for irix6.
6972 (__do_global_ctors): Call __frame_dummy for irix6.
6973 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
6975 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
6977 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
6979 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
6981 * c-decl.c (init_decl_processing): Provide proper fallback symbol
6982 for __builtin_memset.
6983 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
6984 not INTEGER_CST. Assert arg 3 is a constant.
6986 * alpha.c (mode_width_operand): Accept 64-bit modes.
6987 (mode_mask_operand): Likewise.
6988 (print_operand): Likewise for 'M' and 'U' codes.
6989 (alpha_expand_unaligned_load): New function.
6990 (alpha_expand_unaligned_store): Likewise.
6991 (alpha_expand_unaligned_load_words): Likewise.
6992 (alpha_expand_unaligned_store_words): Likewise.
6993 (alpha_expand_block_move): Likewise.
6994 (alpha_expand_block_clear): Likewise.
6995 * alpha.h (MOVE_RATIO): New define.
6996 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
6997 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
6999 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
7000 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
7002 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
7004 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
7005 * configure: Update.
7007 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
7009 * emit-rtl.c (operand_subword): Correctly handle extracting a word
7010 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
7012 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
7015 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
7017 * configure.in: Set and subsitute host_exeext. Use it when creating
7018 the assembler and linker symlinks.
7019 * configure: Rebuild.
7020 * Makefile.in (exeext): Set to @host_exeext@.
7021 (build_exeext): New variable, set to @build_exeext@.
7022 (FLAGS_TO_PASS): Pass down build_exeext.
7023 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
7026 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
7028 * mn10200.md (addsi3, subsi3): Fix thinkos.
7030 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
7032 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
7033 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
7034 unix always, since we want to be able to thunk to functions in a
7035 shared library from an application.
7037 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
7039 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
7040 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
7042 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
7044 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
7045 offset's mode is not ptr_mode, convert it.
7047 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
7049 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
7050 compiling if it was already defined.
7052 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
7054 * flow.c (find_basic_blocks): Don't create a new basic block
7055 for calls in a LIBCALL block.
7057 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
7059 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
7061 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
7063 * cse.c (rtx_cost): Remove conflicting default case.
7065 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
7067 * configure.in: Move default enabling of Haifa out of for loop.
7068 * configure: Rebuild.
7070 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
7072 * version.c: Bump for snapshot.
7074 1997-12-25 Teemu Torma <tot@trema.com>
7076 * Makefile.in (GTHREAD_FLAGS): New var.
7077 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
7078 (distclean): Remove gthr-default.h.
7080 * configure.in: Accept dce as a thread package.
7081 Check for thread.h and pthread.h.
7082 Link gthr-default.h to appropriate thread file and set
7084 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
7085 include multilib definitions from pa/t-dce-thr.
7086 (sparc-*-solaris2*): Enable threads by default, if thread.h or
7087 pthread.h is found, preferring posix threads over solaris ones.
7089 * config/pa/t-dce-thr: New file.
7090 * config/pa/t-pa: Removed multilibs.
7091 * config/sparc/t-sol2: Ditto.
7094 * gthr-single.h: New file.
7095 * gthr-posix.h: New file.
7096 * gthr-solaris.h: New file.
7097 * gthr-dce.h: New file.
7098 * libgcc-thr.h: Removed.
7099 * objc/thr-dce.c: New file copied from thr-decosf1.c.
7101 * frame.c: Include gthr.h instead of libgcc-thr.h.
7102 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
7103 (eh_context_initialize): If __gthread_once fails, use static eh
7105 (eh_context_free): Call __gthread_key_dtor.
7107 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
7109 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
7111 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
7113 * cse.c (max_insn_uid): New variable.
7114 (cse_around_loop): Use max_insn_uid.
7115 (cse_main): Set max_insn_uid.
7117 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
7118 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
7119 -mlong64, and -mgp{32,64} options.
7120 * mips.c (mips_abi): Change type to int.
7121 * mips.h (enum mips_abi_type): Delete.
7122 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
7123 (mips_abi): Change type to int.
7125 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
7127 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
7128 optimization is now always enabled.
7130 * calls.c (expand_call): Recognize C++ operator new as malloc-like
7133 * alias.c (memrefs_conflict_p): Eliminate tests now done by
7135 (*_dependence): Call canon_rtx before base_alias_check.
7136 (init_alias_once): New function to precompute set of registers which
7137 can hold Pmode function arguments.
7139 * rtl.h: Declare init_alias_once.
7141 * toplev.c (compile_file): Call init_alias_once.
7143 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
7145 * tree.c (restore_tree_status): Do not dereference a null pointer.
7147 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
7149 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
7150 RLIMIT_STACK. This maintains consistency with the recent, similar
7151 patch to cccp.c and toplev.c.
7153 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
7155 * genattrtab.c (expand_units): For large nr opclasses, expand
7156 function_units_used with ORX to prevent blowups. Tag with FFS.
7157 (num_unit_opclasses): New variable.
7158 (gen_unit): Update it.
7159 (enum operator): Add ORX_OP.
7160 (operate_exp): Treat ORX as or, except don't expand across an if.
7161 Reuse number rtx's after operating on them.
7162 (check_attr_value): Accept IOR, AND, & FFS.
7163 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
7164 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
7165 (write_expr_attr_cache, write_toplevel_expr): New functions.
7166 (write_attr_get): Handle FFS-tagged expressions.
7167 (make_canonical): Don't expand const attributes.
7168 (convert_const_symbol_ref): Dike out.
7169 (evaluate_eq_attr): Handle SYMBOL_REF.
7170 (main): Don't emit get_attr_foo for const attributes.
7172 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
7173 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
7174 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
7175 * alpha.md: Redo all of the scheduling, adding EV6 support, and
7176 combining function units where possible.
7177 (attr "type"): Split loads, stores, cmov into int/fp. Combine
7178 multiplies and divides. Add EV6 sqrt, ftoi, itof.
7179 (attr "opsize"): New attribute.
7180 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
7181 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
7182 to control register allocation.
7183 (movsi2-1, movdi2-1): Likewise.
7185 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
7187 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
7188 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
7189 Move OSF/1 specific defines out.
7190 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
7191 Move Linux specific defines out.
7192 (LINK_SPEC): Genericize.
7193 (ASM_FILE_START): Emit .arch if using more than the base insn set.
7194 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
7195 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
7196 (HANDLE_SYSV_PRAGMA): Define.
7197 * alpha/osf.h: New file.
7198 * alpha/linux.h: Split. Retain file-format independant defines.
7199 Import Linux bits from elf.h.
7200 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
7201 (FUNCTION_PROFILER): _mcount takes its address in $28.
7202 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
7203 * alpha/linux-ecoff.h: New file.
7204 * alpha/linux-elf.h: New file.
7205 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
7206 * alpha/win-nt.h (TARGET_DEFAULT): Define.
7207 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
7208 Add new headers as appropriate.
7210 * configure.in (alpha*): Enable Haifa by default.
7211 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
7212 * configure: Rebuild.
7214 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
7216 * Makefile.in (clean): Remove the stages with their objects here ...
7217 (distclean): ... instead of here.
7219 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7221 * cse.c (rtx_cost): Add default case in enumeration switch.
7222 * fix-header.c (recognized_macro): Likewise.
7223 (recognized_extern): Likewise.
7224 (write_rbrac): Likewise.
7225 * objc/objc-act.c (encode_aggregate): Likewise.
7226 (gen_declarator): Likewise.
7227 (gen_declspecs): Likewise.
7229 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
7231 * haifa-sched.c (create_reg_dead_note): Detect and handle another
7232 case where we kill more regs after sched than were killed before
7234 * sched.c (create_reg_dead_note): Similarly.
7236 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
7238 * c-pragma.c: Include flags.h.
7240 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
7242 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
7243 about system headers.
7244 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
7245 and also to resolve symbols in prefix.c.
7247 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
7248 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
7249 when the definitions in auto-config.h is not visible.
7250 (HAVE_BZERO): Likewise.
7251 (HAVE_BCMP): Likewise.
7252 (HAVE_RINDEX): Likewise.
7253 (HAVE_INDEX): Likewise.
7255 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
7257 * pa.c (emit_move_sequence): Handle a function label source
7260 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
7262 * c-pragma.c (handle_pragma_token): Generate warning messages
7263 about unknown pragmas if warn_unknown_pragmas is set.
7265 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
7266 line option to set variable: warn_unknown_pragmas.
7268 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
7270 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
7272 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
7274 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
7276 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
7277 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
7278 generate more fine grained floating point emulation libraries.
7279 * config/fp-bit.c: Add protecting #ifdef to all functions so
7280 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
7281 then compile all suitable functions.
7282 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
7283 underscores to avoid namespace pollution.
7284 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
7286 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
7290 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7291 Jeff Law <law@cygnus.com>
7293 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
7295 * c-decl.c (finish_decl): Use parentheses around && within ||.
7296 * rtl.c: Include stdlib.h.
7297 (read_skip_spaces): Add parentheses around assignments used as
7299 (read_rtx): Initialize list_rtx.
7300 * cppexp.c (parse_number): Use || when operands are truth values.
7301 * alias.c (find_base_value): Add default case.
7302 (memrefs_conflict): Likewise.
7303 * combine.c (sets_function_arg_p): Likewise.
7304 * genemit.c (gen_exp): Likewise.
7305 * local-alloc.c (contains_replace_regs): Likewise.
7306 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
7307 * fold-const.c (fold_convert): Use "&&" for truth values.
7308 (fold): Add default case.
7309 * sdbout.c (sdbout_field_types): Fix typo in declaration.
7310 (sdbout_one_type): Add default case.
7311 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
7312 (some_operand): Add default case.
7313 (input_operand): Likewise.
7314 (signed_comparison_operator): Likewise.
7315 (divmod_operator): Likewise.
7316 (alpha_set_memflags_1): Likewise.
7317 * reload1.c (reload_cse_simplify_operands): Ensure function
7318 always returns a value.
7319 * scan-decls.c (scan_decls): Likewise.
7320 * c-lex.c (skip_white_space): Fix typo in declaraion.
7321 * c-typeck.c (comp_target_types): Add parentheses around assignment
7322 used as truth value.
7323 (print_spelling): Likewise.
7324 (constructor_implicit, constructor_result): Remove unused variables.
7325 * collect2.c (scan_library): Protect prototype with
7326 #ifdef SCAN_LIBRARIES.
7327 * emit-rtl.c (find_line_note): Fix typo in declaration.
7328 * final.c (asm_insn_count): Protect prototype with
7329 #ifdef HAVE_ATTR_length.
7330 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
7331 (try_pre_increment_1, try_pre_increment): Likewise.
7332 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
7333 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
7334 * gcov-io.h (__store_long, __write_long, __read_long): Fix
7335 unsigned/signed comparisons.
7336 * gcov.c (read_files): Remove unused "first_type" variable.
7337 (scan _for_source_files): Initialize s_ptr.
7338 (function_summary): Eliminate "%lf" formatting, use %ld for
7340 (output_data): Initialize branch_probs and last_line_num.
7341 Eliminate "%lf" formatting, use "%ld" for longs.
7343 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
7345 * mips16.S: New file.
7347 * libgcc2.c (varargs): Handle mips16.
7349 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
7351 * stmt.c (expand_end_case): Likewise.
7352 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
7353 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
7354 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
7356 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7358 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
7359 the build directory.
7360 (libobjc.a): Update dependency list.
7361 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
7363 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
7364 (objc.mostlyclean): Remove runtime-info.h.
7366 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
7368 * tree.c (build_range_type): Allow creation of ranges with no maximum.
7369 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
7370 * dwarf2out.c (add_subscript_info): Likewise.
7371 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
7372 * sdbout.c (plain_type_1): Likewise.
7373 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
7375 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
7378 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7380 * mips.c (fatal): Remove declaration.
7382 1997-12-18 Mark Mitchell <mmitchell@usa.net>
7384 * integrate.c (get_label_from_map): New function.
7385 (expand_inline_function): Use it. Initialize the label_map to
7386 NULL_RTX instead of gen_label_rtx.
7387 (copy_rtx_and_substitute): Use get_label_from_map.
7388 * integrate.h (get_label_from_map): New function.
7389 (set_label_from_map): New macro.
7390 * unroll.c (unroll_loop): Use them.
7391 (copy_loop_body): Ditto.
7393 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
7395 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
7396 (INIT_TARGET_OPTABS): Define.
7397 * mips/ecoff.h: Include gofast.h before mips.h.
7398 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
7399 * mips/elf64.h: Likewise.
7400 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
7402 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
7404 * except.c: Remove register_exception_table{,_p}.
7406 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
7408 * unroll.c (calculate_giv_inc): Handle constant increment found in
7409 a MEM with an appropriate REG_EQUAL note.
7411 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
7413 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
7414 frame pointer in the prologue.
7416 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
7418 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
7419 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
7421 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
7423 * config/m68k/m68k.c (output_function_prologue): Typecast
7424 dwarf2out_cfi_label to (char *).
7425 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
7427 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
7429 * sparc.md (jump): Don't use the annul bit around an empty loop.
7430 Patch from Kevin.Kelly@East.Sun.COM.
7432 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
7434 * jump.c: (jump_optimize): Don't use the return register as a
7435 source1 of a conditional move.
7437 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
7439 * sparc.c (DF_MODES): Or the mask not the bit number.
7440 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
7442 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
7444 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
7446 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
7448 * fixincludes (size_t): Add support for Motorola's stdlib.h
7449 which fails to provide a definition for size_t.
7450 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
7451 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
7452 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
7454 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
7455 prevent unresolved externals in libio.
7456 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
7458 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
7460 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
7461 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
7462 (LIB_SPEC): Updated for glibc 2.
7464 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
7466 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
7467 * ginclude/varargs.h: Likewise.
7469 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
7471 * version.c: Bump for snapshot.
7473 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
7475 * frame.h (__register_frame, __register_frame_table,
7476 __deregister_frame): New.
7477 * frame.c (__register_frame, __register_frame_table,
7478 __deregister_frame): New.
7479 * frame.c (__deregister_frame_info): Return void *.
7480 * frame.h (__deregister_frame_info): Ditto.
7481 * collect2.c (__deregister_frame_info): Ditto.
7483 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
7485 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
7487 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
7489 * alpha.c (alpha_cpu_name): New variable.
7490 (alpha_mlat_string): Likewise.
7491 (alpha_memory_latency): Likewise.
7492 (override_options): Handle -mmemory-latency.
7493 (alpha_adjust_cost): Adjust load cost for latency.
7494 * alpha.h (TARGET_OPTIONS): Add meory-latency.
7495 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
7496 TARGET_CIX into account.
7497 (MEMORY_MOVE_COST): Define in terms of memory_latency.
7498 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
7500 * alpha.h (ASM_COMMENT_START): New macro.
7502 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
7504 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
7505 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
7507 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
7508 SUBREG_REG if the word count is unchanged.
7509 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
7510 subregs of identical word size for push_reload.
7512 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
7514 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
7515 if all we're doing is dealing with -Wreturn-type.
7517 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
7519 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
7520 Use and 255 instead of zapnot 1, since it schedules better.
7522 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
7524 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
7527 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
7529 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
7530 dependency we delete. Properly update prev for multiple consecutive
7532 (priority): Skip deleted dependence.
7534 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
7536 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
7538 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
7540 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
7541 determining when a new basic block starts.
7543 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
7545 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
7546 * pa.md (iorsi3): Add missing args to *_operand calls.
7548 * except.c (call_get_eh_context): Don't mess with sequences.
7549 (emit_eh_context): Include the call in the sequence here.
7551 1997-12-11 Paul Eggert <eggert@twinsun.com>
7553 * collect2.c (write_c_file_glob): Allocate initial frame object
7554 in static storage and pass its address.
7556 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
7558 * except.c (call_get_eh_context): Don't take a parm.
7559 Put the call at the top of the function.
7560 (emit_eh_context): Adjust.
7561 (get_eh_context): Replace with former use_eh_context.
7562 (get_eh_context_once, get_saved_pc_ref): Remove.
7563 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
7565 * integrate.c (expand_inline_function): Adjust.
7566 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
7568 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
7570 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
7571 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
7573 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
7575 * fixincludes (strlen,strspn,strcspn return value): Handle different
7577 (hypot): Provide a fake for hypot which is broken on
7578 m88k-motorola-sysv3.
7580 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
7582 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
7583 tree_code_name from pointers to arrays.
7584 * tree.c: Remove standard_tree_code_* variables, no longer used.
7585 * print-tree.c: Remove declaration of tree_code_name.
7587 * cp/lex.c (init_lex): Update for tree_code_* changes.
7588 * objc/objc-act.c (init_objc): Likewise.
7590 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
7593 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
7595 * config.sub: Add support for BeOS target.
7596 * configure.in: Likewise.
7597 * ginclude/stdarg.h: Likewise.
7598 * ginclude/stddef.h: Likewise.
7599 * ginclude/varargs.h: Likewise.
7600 * rs6000/beos.h: New file for BeOS.
7601 * rs6000/t-beos: Likewise.
7602 * rs6000/x-beos: Likewise.
7603 * rs6000/xm-beos.h: Likewise.
7604 * toplev.c (get_run_time): Just return 0 on BeOS.
7606 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
7607 Toon Moene (toon@moene.indiv.nluug.nl)
7609 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
7610 old and broken Sun3 assemblers. Newer versions handle large
7611 offsets correctly as does the GNU assembler.
7613 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7615 * objc/objc-act.c (lang_report_error_function): Disable.
7616 * objc/objc-parse.y: Include "output.h".
7617 (yyerror): Remove redundant decl.
7618 (yyprint): Fix prototype.
7619 (apply_args_register_offset): Remove redundant decl.
7620 (get_file_function_name): Likewise.
7622 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
7624 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
7626 (find_basic_blocks_1): Likewise.
7628 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
7630 * except.c (use_eh_context): Don't copy_rtx a REG.
7631 (emit_throw): Lose old unwinder support.
7632 (expand_internal_throw): Likewise.
7633 * libgcc2.c (struct eh_context): Likewise.
7634 (new_eh_context): Likewise.
7635 (__get_eh_info): Lose redundant cast.
7636 (__get_dynamic_handler_chain): Likewise.
7637 (__get_saved_pc): Lose.
7638 Lose all old unwinder support code.
7640 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
7642 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
7644 * integrate.c (expand_inline_function): If the inline fn uses eh
7645 context, make sure that the current fn has one.
7646 * toplev.c (rest_of_compilation): Call emit_eh_context.
7647 * except.c (use_eh_context): New fn.
7648 (get_eh_context_once): New fn.
7649 (call_get_eh_context): New fn.
7650 (emit_eh_context): New fn.
7651 (get_eh_context): Call either get_eh_context_once or
7652 call_get_eh_context, depending on what we have.
7653 (get_dynamic_handler_chain): Call get_eh_context_once.
7654 * except.h: Prototypes for fns above.
7655 * optabs.c (get_eh_context_libfunc): Removed.
7656 (init_optabs): Don't initialize it.
7657 * expr.h (get_eh_context_libfunc): Removed.
7658 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
7659 * config/pa/pa.h (CPP_SPEC): Support for -threads.
7660 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
7661 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
7662 New multilib for -threads.
7663 * config/sparc/t-sol2: Added multilibs for -threads and
7664 made -pthreads alias to it.
7665 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
7666 Added -threads and -pthreads options.
7667 * libgcc-thr.h: New file.
7668 * libgcc2.c: (__get_cpp_eh_context): Removed.
7669 (struct cpp_eh_context): Removed.
7670 (struct eh_context): Replaced cpp_eh_context with generic language
7672 (__get_eh_info): New function.
7673 (__throw): Check eh_context::info.
7675 * libgcc2.c: Include libgcc-thr.h.
7676 (new_eh_context, __get_eh_context,
7677 eh_pthread_initialize, eh_context_initialize, eh_context_static,
7678 eh_context_specific, eh_context_free): New functions.
7679 (get_eh_context, eh_context_key): New variables.
7680 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
7681 get_eh_context to get the context.
7682 (longjmp): Move the declaration inside
7683 #ifdef DONT_USE_BUILTIN_SETJMP.
7684 * frame.c: Include libgcc-thr.h.
7685 (object_mutex): Mutex to protect the object list.
7686 (find_fde, __register_frame, __register_frame_table,
7687 __deregister_frame): Hold the lock while accessing objects.
7688 * except.h (get_eh_context): Declare.
7689 * except.c (current_function_ehc): Define.
7690 (current_function_dhc, current_function_dcc): Removed.
7691 (get_eh_context): New function.
7692 (get_dynamic_handler_chain): Use get_eh_context.
7693 (get_saved_pc_ref): Ditto.
7694 (get_dynamic_cleanup_chain): Removed references to
7695 current_function_dcc.
7696 (save_eh_status, restore_eh_status): Save and restore
7697 current_function_ehc instead.
7698 * optabs.c (get_eh_context_libfunc): New variable.
7699 (init_optabs): Initialize it.
7700 * expr.h: Declare get_eh_context_libfunc.
7701 * function.h (struct function): Replaced dhc and dcc with ehc.
7702 * except.c (get_saved_pc_ref): New functions.
7703 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
7704 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
7706 (end_eh_unwinder): Likewise.
7707 (init_eh): Remove initialization of eh_saved_pc.
7708 * optabs.c (get_saved_pc_libfunc): New variable.
7709 (init_optabs): Initialize it.
7710 * expr.h: Declare get_saved_pc_libfunc.
7711 * except.h (eh_saved_pc_rtx): Deleted.
7712 (get_saved_pc_ref): Declared.
7714 From Scott Snyder <snyder@d0sgif.fnal.gov>:
7715 * libgcc2.c (__get_saved_pc): New.
7716 (__eh_type, __eh_pc): Deleted.
7717 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
7718 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
7721 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
7723 * sparc/sol2.h: Use 64 bit multiply and divide functions in
7724 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
7727 * rtl.h (global_rtl): New variable, replacing separate variables for
7729 (const_int_rtx): Now array of rtx_def, not rtx.
7730 * emit-rtl.c: Update for new rtl data structures.
7731 * genattrtab.c: Define global_rtl.
7733 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
7735 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
7738 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
7740 * crtstuff.c (__do_global_ctors): Fix typo.
7742 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
7744 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
7745 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
7747 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
7749 * rs6000.h (FUNCTION_ARG_PADDING): Define.
7750 * rs6000.c (function_arg_padding): New function.
7752 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
7754 * m68k.c: Include tree.h only once.
7756 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7758 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
7760 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
7762 * Partially cleaned up prototyping code from HJ.
7763 * tree.h: Add many prototypes.
7764 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
7765 All references changed.
7766 * rtl.h: Protect from multiple inclusions. Add many prototypes.
7768 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
7770 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
7771 string functions like strlen.
7773 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
7775 * configure.in: Check for functions getrlimit and setrlimit.
7776 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
7777 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
7779 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
7781 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
7783 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
7785 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
7788 * alpha.c (override_options): Don't know about scheduling for EV6.
7789 * alpha.md (ev5 function units): Don't overload as ev6.
7791 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
7792 * alpha.md (define_attr type): Add mvi.
7793 (ev5_e0): Define sceduling parameters for it.
7794 (TARGET_MAX insns): Type is mvi not shift.
7796 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
7798 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
7800 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7802 * cstamp-h, auto-config.h: Delete.
7804 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
7806 * version.c: Bump for snapshot.
7808 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
7810 * cccp.c: Fix typo brought over in merge.
7812 * Merge in changes from gcc-2.8.
7814 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
7816 * m68k.c: Include tree.h for dwarf2out_cfi_label.
7818 * gcc.c (process_command): Do not take address of function fatal when
7819 calling lang_specific_driver.
7821 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
7823 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
7824 doesn't work with it yet, so set it to 0.
7825 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
7827 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
7829 * cse.c (cse_insn): Check for invalid entries when taking references.
7831 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7833 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
7834 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
7835 * toplev.c (rest_of_compilation): Pass it. Remove code to
7836 save / clear / restore flag_unroll_{,all_}loops.
7838 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
7840 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
7842 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
7844 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
7846 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
7848 * except.c (get_dynamic_handler_chain): Only make the call once per
7851 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
7853 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7855 * sh.c (final_prescan_insn): Use local label prefix
7856 when emitting .uses pseudo-ops.
7858 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
7860 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
7861 * except.c: Lose outer_context_label_stack.
7862 (expand_eh_region_end): Rethrow from outer_context here.
7863 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
7864 (expand_internal_throw): Take no args.
7865 (expand_internal_throw_indirect): Lose.
7866 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
7867 (expand_start_all_catch): Start a rethrow region.
7868 (expand_end_all_catch): End it.
7869 (expand_rethrow): New fn.
7870 * except.h: Reflect above changes.
7871 * flow.c: Revert change of Nov 27.
7873 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
7875 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
7877 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
7879 * except.c (expand_fixup_region_end): New fn.
7880 (expand_fixup_region_start): Likewise.
7881 (expand_eh_region_start_tree): Store cleanup into finalization here.
7882 * stmt.c (expand_cleanups): Use them to protect fixups.
7884 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
7886 * mips/mips.md (muldi3_r4000): Broaden the output template
7887 and attribute assignments to handle three operand dmult;
7888 rename to muldi3_internal2.
7889 (muldi3): Call the new muldi3_internal2 for R4000, and
7890 any GENERATE_MULT3 chip.
7892 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
7894 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
7896 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
7898 * unroll.c (find_splittable_givs): Remove last change. Handle givs
7899 with a dest_reg that was created by loop.
7901 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
7903 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
7905 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
7907 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
7909 * configure.in: Fix NCR entries.
7911 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
7913 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
7914 nested exceptions correctly.
7916 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
7917 that was created by loop.
7919 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
7921 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
7923 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
7925 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
7927 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
7928 (print_operand): Use SMALL_DATA_REG for the register involved in
7929 small data relocations.
7930 (print_operand_address): Ditto.
7932 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
7933 -dynamic linker is not used.
7935 * rs6000.md (call insns): For local calls, use @local suffix under
7936 System V. Don't use @plt under Solaris.
7938 * rs6000.c (output_function_profiler): Put label address in r0, and
7939 store LR in 4(sp) for System V/eabi.
7941 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
7942 byte boundary, and maintain stack backchain.
7944 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
7946 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
7947 fix_truncsfdi2): Change *.
7949 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
7951 * toplev.c (main): Complain about -gdwarfn.
7953 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
7955 * dwarfout.c (output_type): If finalizing, write out nested types
7956 of types we've already written.
7958 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
7960 (patches originally from Geoffrey Keating)
7961 * rs6000.c (function_arg): Excess floating point arguments don't
7962 go into GPR registers after exhausting FP registers under the
7964 (function_arg_partial_nregs): Ditto.
7966 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
7969 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
7971 * integrate.c (output_inline_function): Just unset DECL_INLINE.
7973 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
7975 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
7978 * libgcc2.c (__throw): Initialize HANDLER.
7980 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
7982 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
7983 fix_truncsfdi2): Change *X to ?*X.
7985 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
7987 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
7989 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
7991 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
7993 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
7995 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
7997 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
7999 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
8000 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
8003 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
8005 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
8006 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
8007 gas and not using the new HP assembler.
8009 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
8011 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
8012 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
8014 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
8016 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
8017 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
8020 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
8022 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
8024 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
8026 * except.h: Add outer_context_label_stack.
8027 * except.c: Likewise.
8028 (expand_start_all_catch): Push the outer_context for the try block
8029 onto outer_context_label_stack.
8030 (expand_end_all_catch): Use it and pop it.
8032 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
8034 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
8036 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
8038 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
8040 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
8042 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
8043 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
8045 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
8047 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
8048 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
8049 __builtin_delete, and __builtin_vec_delete.
8051 * except.c (output_exception_table): Don't bother with
8054 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
8056 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
8057 is an in/out operand.
8058 (zero extended variants of stwm/stwm patterns): Similarly.
8060 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
8062 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
8064 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
8066 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
8067 (output_call_frame_info): Emit a \n after using it.
8069 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
8071 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
8073 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
8075 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
8076 (ASM_OUTPUT_DWARF_VALUE4): New macro.
8077 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
8079 (output_call_frame_info): Do not output forward label differences
8080 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
8081 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
8083 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8085 * sh.md (attribute "type"): Add nil.
8086 (movsi_ie): y/y alternative is type nil.
8087 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
8089 (movsf_ie+1): Delete.
8091 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
8093 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
8094 large_int, emit two insns instead of one splitable insn.
8095 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
8096 from cfa_temp_value, use cfa_offset. Add assert checking that
8099 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
8101 * cccp.c (deps_output): Properly quote file names for make.
8103 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
8105 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
8107 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
8109 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
8111 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
8113 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
8115 (cse_end_of_basic_block): Similarly.
8117 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
8119 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
8120 (SELECT_RTX_SECTION): Define.
8121 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
8123 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
8125 * Makefile.in (compare, compare-lean): Define $stage for each
8127 (gnucompare, gnucompare-lean): Likewise.
8129 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
8131 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
8133 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
8134 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
8136 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
8138 * dwarfout.c (byte_size_attribute): Add local var upper_bound
8139 and add case to handle STRING_TYPE.
8140 * dwarfout.c (output_string_type_die): Fix code to generate
8141 correct string length attribute for fixed length strings.
8142 Still needs support for varying length strings.
8144 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
8146 * toplev.c (get_run_time): Do something sensible for cygwin32.
8148 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
8150 * expr.c (expand_builtin_setjmp): Set
8151 current_function_has_nonlocal_label.
8152 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
8153 call-saved registers across calls.
8155 * alpha.md (exception_receiver): Remove.
8156 (nonlocal_goto_receiver_osf): New
8157 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
8158 (nonlocal_goto_receiver): New, select _osf or _vms.
8160 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
8161 keep them from being propogated to the object file.
8162 (alpha_write_linkage): Likewise.
8163 * alpha.md (call_vms): Likewise.
8164 (call_value_vms): Likewise.
8165 (unnamed osf call insns): Likewise.
8167 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
8168 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8170 * alpha.c (call_operand): Any reg is valid for WinNT.
8171 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
8172 (anon nt calls): Add 'R' alternative.
8173 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
8174 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
8176 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
8178 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
8180 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
8181 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
8182 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
8184 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
8186 * reload1.c (new_spill_reg): Improve fixed or forbidden register
8187 spill error message.
8189 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8191 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
8192 use varargs.h. Wrap header with <>, not "".
8194 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
8196 * integrate.c (save_for_inline_copying): Add return value from
8199 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
8201 * fixincludes: Be a little more restrictive on what we will
8202 substitute to replace definitions of MAXINT for HPUX.
8204 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
8206 * dbxout.c (dbxout_symbol_location): Don't assume that variables
8207 whose address is the stack or argument pointers are indirect
8210 1997-11-13 Paul Eggert <eggert@twinsun.com>
8212 * cccp.c, cpplib.c (compare_defs):
8213 Don't complain about arg name respellings unless pedantic.
8214 * cpplib.c (compare_defs): Accept pfile as new arg.
8215 All callers changed.
8217 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8219 * fold-const.c (fold_truthop): Fix bug in last change.
8221 1997-11-13 Paul Eggert <eggert@twinsun.com>
8223 Fix some confusion with IEEE minus zero.
8225 * real.h (REAL_VALUES_IDENTICAL): New macro.
8227 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
8228 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
8230 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
8231 same tree structure as 0.0.
8233 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
8234 macro instead of doing it by hand.
8236 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
8238 * v850/lib1funcs.asm: Minor whitespace changes.
8239 * v850.c: Fix minor formatting problems in many places.
8240 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
8242 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
8244 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
8245 xplus1 when xplus0 is not a register.
8247 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
8249 * flow.c (find_basic_blocks): During marking phase, if we encounter
8250 an insn with a REG_LABEL note, make the target block live and
8251 create an edge from the insn to the target block. Do not make
8252 edges from all blocks to the target block.
8254 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
8256 * confiugre.in: Tweak NCR entries.
8257 * configure: Rebuilt.
8259 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
8261 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
8262 pick apart floating point values, instead of using CONST_DOUBLE_LOW
8263 and CONST_DOUBLE_HIGH.
8265 * rs6000.md (define_splits for DF constants): Use the appropriate
8266 REAL_VALUE_* interface to pick apart DF floating point constants in
8267 a machine independent fashion.
8269 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8271 * fold-const.c (fold_truthop): When changing a one-bit comparison
8272 against zero into a comparison against mask, do a proper sign
8275 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
8277 * except.c: Do not include "assert.h".
8278 (save_eh_status): Turn asserts into conditional aborts.
8279 (restore_eh_status, scan_region): Likewise.
8280 * dwarfout.c: Do not include "assert.h".
8281 (bit_offset_attribute): Turn asserts into conditional aborts.
8282 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
8283 (output_inlined_structure_type_die): Likewise.
8284 (output_inlined_union_type_die): Likewise
8285 (output_tagged_type_instantiation): Likewise.
8286 (dwarfout_file_scope_decl): Likewise.
8287 * dwarf2out.c: Do not include "assert.h"
8288 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
8289 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
8290 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
8291 (add_bit_size_attribute, scope_die_for): Likewise.
8292 (output_pending_types_for_scope): Likewise.
8293 (get_inlined_enumeration_type_die): Likewise.
8294 (get_inlined_structure_type_die): Likewise.
8295 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
8296 (gen_tagged_type_instantiation_die): Likewise.
8298 * flow.c (find_basic_blocks): Refine further to get a more correct
8299 cfg, especially in the presense of exception handling, computed
8300 gotos, and other non-trivial cases. Call abort if an inaccuracy
8301 is detected in the cfg.
8303 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8305 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
8307 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
8308 (skip_white_space): Use whitespace_cr.
8309 (check_newline): Handle whitespace more consistently.
8311 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
8313 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
8314 * i386/xm-cygwin32.h (POSIX): Define.
8316 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
8318 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
8319 is available elsewhere.
8321 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
8323 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
8324 what the instruction can handle.
8326 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
8328 * stmt.c (expand_decl_cleanup_no_eh): New fn.
8330 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
8332 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
8334 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
8335 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
8337 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
8339 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
8340 swap instruction order.
8342 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
8344 * fixinc.svr4 (__STDC__): Add another case.
8346 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8348 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
8349 addresses in the epilogue delay slot.
8351 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
8353 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
8354 in generated `specs' file.
8356 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
8358 * flags.h (flag_rerun_loop_opt): Declare.
8359 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
8360 * toplev.c (flag_rerum_loop_opt): Delete static.
8362 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8364 Bring over from FSF:
8366 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8368 * va-sh.h (__va_arg_sh1): Define.
8370 SH3E doesn't use any integer registers for subsequent arguments
8371 once a non-float value was passed in the stack.
8372 * sh.c (machine_dependent_reorg): If optimizing, put explicit
8373 alignment in front label for ADDR_DIFF_VEC.
8374 * sh.h (PASS_IN_REG_P): Fix SH3E case.
8375 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
8377 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8379 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
8382 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8384 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
8385 put an use_sfunc_addr before each sfunc.
8386 * sh.md (use_sfunc_addr, dummy_jump): New insns.
8387 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
8389 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8391 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
8393 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
8395 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
8398 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
8400 * alias.c (find_base_value): Only return the known base value for
8403 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
8405 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
8406 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
8408 (prologue_get_pc_and_set_got): New pattern.
8410 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
8412 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
8413 for SUBREG, just fall through.
8415 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
8417 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
8419 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
8421 * fixincludes: Fix "hypot" prototype in NeXT math.h.
8423 * Makefile.in (USE_ALLOCA): Always include alloca.o.
8424 (USE_HOST_ALLOCA): Likewise.
8426 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
8427 and LABEL_REFS fields.
8428 * rtl.h (LABEL_REFS): Update.
8430 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
8432 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
8433 sets i2dest. When calling distribute_notes for i3dest_killed, pass
8434 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
8437 * mips.md (insv, extzv, extv): Add change_address call.
8438 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
8440 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
8442 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
8444 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
8445 save_restore_insns if no FP and GP will be restored.
8447 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
8448 Convert CCmode to word_mode before calling GET_MODE_SIZE.
8450 * acconfig.h (HAVE_INTTYPES_H): Undef.
8451 * configure.in (inttypes.h): Check for conflicts between sys/types.h
8452 and inttypes.h, and verify that intmax_t is defined.
8453 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
8454 * config/mips/x-iris3: Likewise.
8456 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
8458 * alias.c (find_base_value): When copying arguments, return the
8459 tenative value for a hard register.
8461 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
8463 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
8464 (yylex): Record wide strings using target endianness, not host.
8466 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
8468 * mn10200.h (ASM_OUTPUT_BSS): Delete.
8469 (ASM_OUTPUT_ALIGNED_BSS): New macro
8470 * mn10300.h (ASM_OUTPUT_BSS): Delete.
8471 (ASM_OUTPUT_ALIGNED_BSS): New macro.
8472 * v850.h (ASM_OUTPUT_BSS): Delete.
8473 (ASM_OUTPUT_ALIGNED_BSS): New macro.
8475 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8477 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
8479 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
8481 * configure.in (sco5): Use cpio to install header files.
8483 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
8485 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
8487 * configure: Rebuild.
8489 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
8491 * i386/sco5.h: enable -gstabs once again.
8493 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
8495 * arm.c (output_move_double): Allocate 3 entries in otherops array.
8497 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
8499 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
8500 notes for sjlj exceptions too.
8501 (expand_eh_region_end): Similarly for EH_REGION_END notes.
8502 (exception_optimize): Optimize EH regions for sjlj exceptions too.
8503 * final.c (final_scan_insn): Don't output labels for EH REGION
8504 notes if doing sjlj exceptions.
8506 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
8508 * alias.c (init_alias_analysis): Handle -fno-alias-check when
8509 optimizing correctly.
8511 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
8512 or set current_function_calls_setjmp anymore.
8514 * flow.c (find_basic_blocks): If we delete the label for an
8515 exception handler, remove it from the EH label list and remove
8516 the EH_BEGIN/EH_END notes for that EH region.
8518 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
8520 * flow.c (find_basic_blocks): Generate correct flow control
8521 information when exception handling notes are present.
8523 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
8525 * dwarf2out.c (output_call_frame_info): Fix length argument
8526 to ASM_OUTPUT_ASCII.
8527 (output_die, output_pubnames, output_line_info): Likewise.
8529 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
8531 * version.c: Bump for snapshot.
8533 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
8534 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
8535 flag_debug_asm is on.
8536 (output_die, output_pubnames, output_line_info): Likewise.
8538 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
8539 and static_chain_rtx into the potential base values array if
8542 * alias.c (new_reg_base_value): New array of potential base values.
8543 (unique_id): Now file scoped static.
8544 (find_base_value, case REG): Return the value in reg_base_value
8545 array for the REG if it exists. Else, return the value from
8546 new_reg_base_value if copying args and REG is a hard register.
8547 (find_base_value, case PLUS): If either operand of the PLUS is
8548 a REG, try to get its base value. Handle base + index and
8550 (record_set): Use new_reg_base_value instead of reg_base_value.
8551 (init_alias_analysis): Allocate space for new_reg_base_value too.
8552 Rework code to iterate over the insns propagating base value
8553 information until nothing changes.
8555 * global.c (global_alloc): Free the conflict matrix after
8556 reload has finished.
8558 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
8560 * libgcc2.c (L_eh): Define __eh_pc.
8561 Replace __eh_type with generic pointer __eh_info.
8563 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
8565 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
8566 use copy_to_reg if address is not a general_operand.
8568 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8570 * profile.c (output_func_start_profiler): Clear flag_inline_functions
8571 for the duration of the call to rest_of_compilation.
8573 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
8575 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
8577 (sparc*-*-*): Recognize --with-cpu=v9.
8578 * sparc/elf.h: New file.
8579 * sparc/t-elf: New file.
8581 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
8583 * mn10300.c (const_8bit_operand): New function.
8584 (mask_ok_for_mem_btst): New funtion.
8585 * mn10300.md (btst patterns with mem operands): Use new functions
8586 to avoid creating btst instructions with invalid operands.
8588 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
8590 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
8591 are running on PowerPC Linux.
8593 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
8595 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
8596 if not previously defined.
8598 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
8600 * function.c (assign_parms): Correct mode of stack_parm if
8601 entry_parm underwent a mode conversion.
8603 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
8605 * global.c (global_alloc): Use xmalloc instead of alloca for
8606 CONFLICTS, since max_allocno * allocno_row_words alone can be more
8607 than 2.5Mb sometimes.
8609 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
8611 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
8612 DEST for the spill, adjust mode of SRC to compensate.
8614 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
8616 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
8617 since any_memory_operand() allows pseudos during reload.
8618 (reload_inhi, reload_outqi, reload_outhi): Likewise.
8620 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
8622 * m68k.md (btst patterns): Add 5200 support.
8624 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
8626 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
8627 optimizations, look inside dividend to determine if the expression
8628 can be simplified by using EXACT_DIV_EXPR.
8630 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
8633 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
8635 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
8637 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
8639 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
8641 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
8644 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
8646 * alpha.md (movqi, movhi): Make sure new insns created during reload
8647 won't need reloading themselves.
8648 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
8650 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
8652 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
8654 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
8656 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
8657 Patch from Klaus Kaempf <kkaempf@progis.de>.
8659 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
8661 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
8662 to an element in a constant string.
8664 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
8666 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
8667 bit PC-relative offset. The exception range table pointer is now in
8669 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
8670 (count_fdes, add_fdes, get_cie): Adjust.
8671 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
8674 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
8676 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
8678 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
8679 like stack_pointer_rtx.
8681 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
8683 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
8684 targets using "$@" to provide support for similar but not identical
8685 targets without having to duplicate code.
8686 (bootstrap4): New goal.
8688 * Makefile.in (compare, compare-lean, compare3): Combined to one
8689 ruleset determining actions to be performed via $@.
8690 (compare4, compare4-lean): New targets.
8691 (gnucompare, gnucompare3): Combined to one ruleset determining
8692 actions to be performed via $@. Also, note which files failed
8693 the comparison test in .bad_compare.
8694 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
8696 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
8698 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
8699 if the dividend is a multiple of the divisor.
8701 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
8703 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
8705 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
8708 * alias.c (true_dependence): Fix typo.
8710 * toplev.c (flag_rerun_loop_opt): New variable.
8711 (f_options): Handle -frerun-loop-opt.
8712 (rest_of_compilation): If -frerun-loop-opt, then run the loop
8714 (main): Enable -frerun-loop-opt by default for -O2 or greater.
8716 * loop.c (simplify_giv_expr): Adding two invariants results
8719 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
8721 * expr.c (get_inner_reference): Remove the array bias after
8722 converting the index to Pmode.
8724 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
8726 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
8727 (TARGET_MULT_BUG): Define.
8728 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
8729 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
8731 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
8733 * mn10200.c (indirect_memory_operand): Delete unused function.
8734 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
8735 * mn10200.md (bset, bclr insns): Handle output in a reg too.
8737 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
8739 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
8740 the callee's ldgp, we must do it ourselves, and we use the jsr tag
8741 for more than scheduling.
8743 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
8745 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
8747 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
8749 * mn10300.c (symbolic_operand, legitimize_address): New functions.
8750 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
8751 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
8753 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
8755 * version.c: Bump for snapshot.
8757 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8759 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
8762 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
8764 * toplev.c (flag_exceptions): Default value is 2.
8765 (compile_file): If flag_exceptions still has the value 2, then
8768 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
8769 (rs6000_save_machine_status): Save pic_offset_table_rtx.
8770 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
8772 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
8775 * rs6000.md (*movsi_got_internal_mem): New pattern.
8776 (*movsi_got_internal_mem splitter): New define_split.
8778 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
8780 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
8782 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
8784 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
8785 only need to save LR.
8787 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
8789 * mn10300.md (movqi, movhi): Avoid using address registers as
8790 destinations unless absolutely necessary.
8792 * mn10200.c (expand_prologue): Fix typo.
8794 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
8796 * mn10200.md (neghi2): Provide an alternative which works if
8797 the input and output register are the same.
8799 * mn10300.c (print_operand): Handle 'S'.
8800 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
8801 shift amount in last alternative
8803 * mn10300.c (expand_epilogue): Rework to handle register restores
8804 in "ret" and "retf" instructions correctly.
8806 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
8808 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
8809 extzv for memory operands.
8811 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
8812 redundant conditional moves to single operand.
8814 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
8816 * v850.h: Move define of __v850__ from CPP_PREDEFINES
8819 * xm-v850.h: Use __v850 rather than __v850__ to
8822 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
8824 * mips/mips.c (compute_frame_size): Not a leaf function if
8827 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
8829 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
8831 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
8833 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
8834 (DEFAULT_ARCH32_P): New macro.
8835 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
8836 (enum cmodel): Declare.
8837 (sparc_cmodel_string,sparc_cmodel): Declare.
8838 (SPARC_DEFAULT_CMODEL): Provide default.
8839 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
8840 (TARGET_FULLANY): Deleted.
8841 (TARGET_CM_MEDMID): New macro.
8842 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
8843 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
8844 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
8845 (CPP_SPEC): Rewrite.
8846 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
8847 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
8848 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
8849 (ASM_SPEC): Add %(asm_arch).
8850 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
8851 Rename asm_default to asm_cpu_default.
8852 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
8853 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
8854 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
8855 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
8856 (MASK_INT64,MASK_LONG64): Delete.
8857 (MASK_ARCH64): Renamed to MASK_64BIT.
8858 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
8859 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
8860 (TARGET_SWITCHES): Always provide 64 bit options.
8861 (ARCH64_SWITCHES): Delete.
8862 (TARGET_OPTIONS): New option -mcmodel=.
8863 (INT_TYPE_SIZE): Always 32.
8864 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
8865 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
8866 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
8867 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
8868 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
8870 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
8871 * sparc/linux.h: Likewise.
8872 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
8873 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
8874 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
8875 (SPARC_DEFAULT_CMODEL): Define.
8876 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
8877 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
8878 (LONG_DOUBLE_TYPE_SIZE): Define.
8879 (ASM_SPEC): Add %(asm_arch).
8880 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
8881 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
8882 (TARGET_CPU_DEFAULT): Add ultrasparc case.
8883 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
8884 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
8885 (SPARC_DEFAULT_CMODEL): Define.
8886 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
8887 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
8888 MASK_LONG64, MASK_MEDANY.
8889 (SPARC_DEFAULT_CMODEL): Define.
8890 (CPP_PREDEFINES): Delete.
8891 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
8892 (ASM_SPEC): Add %(asm_arch).
8893 (LONG_DOUBLE_TYPE_SIZE): Define.
8894 (DWARF2_DEBUGGING_INFO): Define.
8895 * sparc/splet.h (CPP_SPEC): Delete.
8896 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
8897 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
8898 (BLOCK_PROFILER): Likewise.
8899 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
8900 (sparc_override_options): Handle code model selection.
8901 (sparc_init_expanders): Renamed from sparc64_init_expanders.
8902 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
8903 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
8904 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
8905 (sethi_di_fullany): Delete.
8907 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
8908 Jeff Law <law@cygnus.com>
8909 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8911 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
8912 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
8913 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
8914 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
8915 * alpha/alpha.md (arg_home): Likewise.
8917 * alpha/alpha.c (vmskrunch): Delete
8918 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
8919 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
8920 truncate to 64 characters.
8922 * make-l2.com: Support openVMS/Alpha.
8924 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
8926 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8928 * longlong.h (count_leading_zeros): Add missing casts to USItype.
8930 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
8932 * i386/bsd386.h (ASM_COMMENT_START): Define.
8934 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
8936 * tree.c (restore_tree_status): Also free up temporary storage
8937 when we finish a toplevel function.
8938 (dump_tree_statistics): Print stats for backend obstacks.
8940 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
8942 * expr.c (use_group_regs): Don't call use_reg for MEMs.
8944 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
8946 * libgcc2.c (__throw): Don't copy the return address.
8947 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
8949 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
8950 * toplev.c (main): Initialize exceptions_via_longjmp.
8952 * tree.c: Add extra_inline_obstacks.
8953 (save_tree_status): Use it.
8954 (restore_tree_status): If this is a toplevel inline obstack and we
8955 didn't want to save anything on it, recycle it.
8956 (print_inline_obstack_statistics): New fn.
8957 * function.c (pop_function_context_from): Pass context to
8958 restore_tree_status.
8959 * obstack.h (obstack_empty_p): New macro.
8961 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
8963 * i386/freebsd.h (ASM_COMMENT_START): Fix.
8965 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
8967 * v850.c (ep_memory_offset): New function.
8968 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
8970 * v850.h (CONST_OK_FOR_*): Add and correct comments.
8971 (CONSTANT_ADDRESS_P): Add comment.
8972 (EXTRA_CONSTRAINT): Define 'U'.
8973 * v850.md: Add comments on bit field instructions.
8974 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
8975 (lshrsi3): Use N not J constraint.
8977 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
8979 * v850.c (reg_or_0_operand): Call register_operand.
8980 (reg_or_int5_operand): Likewise.
8981 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
8982 (TARGET_SWITCHES): Add "big-switch".
8983 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
8984 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
8985 (CASE_DROPS_THROUGH): Comment out.
8986 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
8987 * v850.md (cmpsi): Delete compare mode.
8988 (casesi): New pattern.
8990 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
8991 * v850.md (ashlsi3): Use SImode not QImode for shift count.
8992 (lshrsi3): Likewise.
8994 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
8995 unreachable switch statement after 'b' support. Remove "b" from
8996 strings for 'b' support.
8997 * v850.md (branch_normal, branch_invert): Change %b to b%b.
8999 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
9001 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
9002 empty line if @inhibit_libc@ is empty.
9004 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
9006 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
9007 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
9008 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
9009 (DWARF2_UNWIND_INFO): Let this track object file format.
9010 (EXTRA_SECTIONS): Add in_eh.
9011 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
9012 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
9014 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
9016 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
9017 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
9019 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
9020 (output_double_int): Output DI mode values correctly when
9021 HOST_BITS_PER_WIDE_INT is 64.
9022 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
9023 fmovd so it works if a quad float ends up in one of the upper 32
9025 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
9026 necessary for PIC support on sparc64.
9028 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
9030 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
9031 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
9032 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
9033 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
9034 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
9035 (SPARC_FP_ARG_FIRST): New macro.
9036 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
9037 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
9038 (NPARM_REGS): There are 32 fp argument registers now.
9039 (FUNCTION_ARG_REGNO_P): Likewise.
9040 (FIRST_PARM_OFFSET): Update to new v9 abi.
9041 (REG_PARM_STACK_SPACE): Define for arch64.
9042 (enum sparc_arg_class): Delete.
9043 (sparc_arg_count,sparc_n_named_args): Delete.
9044 (struct sparc_args): Redefine and use for arch32 as well as arch64.
9045 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
9046 (FUNCTION_ARG_ADVANCE): Rewrite.
9047 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
9048 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
9049 (FUNCTION_ARG_CALLEE_COPIES): Delete.
9050 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
9051 (STRICT_ARGUMENT_NAMING): Define.
9052 (doublemove_string): Declare.
9053 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
9054 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
9055 (doublemove_string): New function.
9056 (output_move_quad): Clean up some of the arch64 support.
9057 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
9058 Don't add 8 bytes of reserved space if arch64.
9059 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
9060 (init_cumulative_args): New function.
9061 (function_arg_slotno): New static function.
9062 (function_arg,function_arg_partial_nregs): New functions.
9063 (function_arg_{pass_by_reference,advance}): New functions.
9064 (function_arg_padding): New function.
9065 * ginclude/va-sparc.h: Rewrite v9 support.
9067 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
9069 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
9070 for hard regs to determine base and index registers.
9072 * reload.c (debug_reload_to_stream): New function. Specify stream
9073 into which to write debug info.
9074 (debug_reload): Modify to call debug_reload_to_stream with stderr.
9076 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
9078 * combine.c (can_combine_p): Don't combine with an asm whose
9079 output is a hard register.
9081 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
9083 * c-decl.c (start_struct): Ensure that structs with forward
9084 declarations are in fact packed when -fpack-struct is given.
9086 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
9087 we are packing a structure. This allows a structure with only
9088 bytes to be aligned on a byte boundary and have no padding on a
9091 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9093 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
9095 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
9097 * alpha.c (alpha_return_addr_rtx): New variable.
9098 (alpha_save_machine_status): New; save it.
9099 (alpha_restore_machine_status): New; restore it.
9100 (alpha_init_expanders): New; clear it.
9101 (alpha_return_addr): New; set it.
9102 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
9103 is overly conservative, so search the insns explicitly.
9104 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
9105 (alpha_sa_size [VMS && !VMS]): Likewise.
9106 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
9107 (INIT_EXPANDERS): New definition.
9109 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
9110 (output_prolog [!VMS]): Use them.
9112 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
9113 (alpha_does_function_need_gp): ... a new function. Refine the
9114 CALL_INSN test to just TYPE_JSR.
9115 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
9117 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
9119 * version.c: Bump for snapshot.
9121 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9123 * pa.c (move_operand): Respect -mdisable-indexing.
9124 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
9126 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
9128 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
9130 (umulsidi3,umulsi3_highpart): Ditto.
9131 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
9133 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
9135 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
9136 (alpha_handle_trap_shadows): ... a new function. Handle the entire
9137 function in one go. Emit RTL for trapb, instead of printf directly.
9138 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
9139 (trap_pending): Kill global variable.
9140 (output_epilog): Don't call final_prescan_insn.
9141 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
9142 * alpha.h (FINAL_PRESCAN_INSN): Remove.
9143 (MACHINE_DEPENENT_REORG): Define.
9144 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
9147 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
9149 Tune Haifa scheduler for Alpha:
9150 * alpha.h (ISSUE_RATE): Define.
9151 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
9152 EV4 adjustments to EV5.
9153 * alpha.md: Remove all scaling from function unit delays. Rework
9154 EV5 function units to match the CPU.
9155 (umuldi3_highpart): EV5 added the IMULH insn class.
9157 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
9159 * pa.c (following_call): Fail if the CALL_INSN is an indirect
9162 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
9164 * cplus-dem.c (demangle_signature): Don't look for return types on
9165 constructors. Handle member template constructors.
9167 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
9169 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
9170 * tree.h: Declare them.
9172 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
9174 * configure.in: Handle --with-newlib.
9175 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
9177 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
9179 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
9181 * config/ptx4.h: Fix typo.
9183 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
9185 * version.c: Bump for snapshot.
9187 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
9189 * aclocal.m4: Substitute INSTALL.
9190 * configure: Re-built.
9192 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
9194 * integrate.c (save_for_inline_copying): Avoid undefined pointer
9196 (expand_inline_function): Likewise.
9198 * dwarf2out.c (output_call_frame_info): Reinstate last change
9199 using flag_debug_asm check instead of flag_verbose_asm.
9201 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
9203 * dwarf2out.c (output_call_frame_info): Remove last change.
9205 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9207 * frame.c (__frame_state_for): Execute the FDE insns until the
9208 current pc value is strictly bigger than the target pc value.
9210 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
9212 * regclass.c (init_reg_modes): If we can't find a mode for the
9213 register, use the previous one.
9215 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
9217 * haifa-sched.c (print_block_visualization): Call fprintf directly,
9218 don't sprintf through an alloca'ed buffer.
9220 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
9222 * reload.c (decompose): Always initialize val.base.
9224 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
9226 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
9227 instead of aborting.
9228 * dwarf2out.c (output_call_frame_info): Call app_enable and
9229 app_disable to let GNU as accept the generated comments.
9231 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
9233 * tree.h (get_file_function_name): Add declaration.
9234 * dwarf2out.c (output_call_frame_info): No need to cast
9235 get_file_function_name call anymore.
9236 * profile.c (toplevel): Remove get_file_function_name
9238 * c-lang.c (finish_file): Ditto.
9240 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
9242 * Makefile.in (program_transform_name): Let autoconf substitute
9245 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
9247 * haifa-sched.c (schedule_block): If the first real insn in a
9248 block has any special notes attached to it, remove them.
9250 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
9252 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
9254 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
9256 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
9258 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
9260 * Makefile.in (check-g77): New test target.
9261 (CHECK-TARGETS): Add check-g77.
9263 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
9265 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
9267 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
9269 * flow.c (print_rtl_with_bb): Cast alloca return value for
9272 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
9274 * i386.h (RETURN_ADDR_RTX): New definition that works for
9275 __builtin_return_address(0) and -fomit-frame-pointer.
9277 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
9279 Bring over from FSF.
9280 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
9282 * mips.c (function_arg): Handle passing a struct
9283 containing a double in a DFmode register without the PARALLEL.
9285 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
9287 * pexecute.c: Use spawn if __CYGWIN32__.
9289 * pexecute.c: Include "config.h" first, as per autoconf manual
9290 (from Paul Eggert <eggert@twinsun.com>).
9292 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
9294 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
9295 optimisation for f/expr.o and f/stb.o.
9297 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
9299 * cse.c (this_insn_cc0_mode): Initialize.
9301 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
9303 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
9305 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
9307 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
9309 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
9310 that pair will dual-issue on the 21164 and plus+beq won't.
9311 (bne): Likewise for cmpeq+beq.
9313 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
9315 * except.c (find_exception_handler_labels): Correct argument to free.
9317 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
9319 * except.c (find_exception_handler_labels): Free LABELS when we're
9322 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
9324 * version.c: Bump for snapshot.
9326 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
9328 * flow.c (find_basic_blocks): Mark calls as potentially jumping
9331 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
9333 * configure.in: Substitute for "install" too.
9334 * configure: Rebuilt.
9336 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
9338 * Makefile.in (bootstrap-lean, compare-lean): New targets.
9340 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
9342 * alias.c (base_alias_check): Two symbols can conflict if they
9343 are accessed via AND.
9344 (memrefs_conflict_p): Likewise.
9346 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
9347 after flushing argument registers to the stack.
9349 * Makefile.in (mostlyclean): Remove .regmove files.
9351 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
9353 * libgcc2.c (__throw): Fix thinko.
9355 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
9357 * cplus-dem.c (demangle_template): Add new parameter. Handle new
9358 template-function mangling.
9359 (consume_count_with_underscores): New function.
9360 (demangle_signature): Handle new name-mangling scheme.
9362 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
9364 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
9367 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
9369 * frame.c: Remove last change.
9370 * dwarf2.h: Remove last change.
9371 * tree.h: Add declarations of DWARF2 unwind info support
9374 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
9376 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
9377 * tree.h (built_in_function): Likewise.
9378 * expr.c (expand_builtin): Likewise.
9379 * except.h: Likewise.
9380 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
9381 * libgcc2.c (copy_reg): New fn.
9384 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
9386 * c-typeck.c (build_binary_op): Warn about comparing signed vs
9387 unsigned if -W is specified and -Wno-sign-compare is not.
9388 * c-decl.c (warn_sign_compare): Initialize to -1.
9389 (c_decode_option): -Wall no longer implies -Wsign-compare.
9391 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9393 * frame.c: Include gansidecl.h for PROTO.
9394 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
9395 defined. Don't declare dwarf2out_cfi_label here.
9396 * dwarf2.h: Add declarations of DWARF2 unwind info support
9398 * m68k.c: Include dwarf2.h.
9399 (output_function_prologue): Add dwarf2 support.
9400 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
9401 (INCOMING_FRAME_SP_OFFSET): Likewise.
9403 * integrate.c (expand_inline_function): Make sure there is at
9404 least one insn that can be used as an insertion point.
9406 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
9408 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
9410 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
9412 * version.c: Bump for snapshot.
9414 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
9416 Bring over from FSF.
9418 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
9420 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
9421 (get_pc_via_rdpc): Renamed from get_pc_sp64.
9422 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
9424 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
9426 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
9427 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
9429 (sparc_align_{loops,jumps,funcs}_string): Declare.
9430 (sparc_align_{loops,jumps,funcs}): Declare.
9431 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
9432 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
9433 (STACK_BIAS): Define.
9434 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
9436 (SPARC_SETHI_P): New macro.
9437 (CONST_OK_FOR_LETTER_P): Use it.
9438 (ASM_OUTPUT_ALIGN_CODE): Define.
9439 (ASM_OUTPUT_LOOP_ALIGN): Define.
9440 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
9441 (sparc_align_{loops,jumps,funcs}): New globals.
9442 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
9444 (move_operand): Use SPARC_SETHI_P.
9445 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
9447 (arith11_double_operand): Likewise.
9448 (arith10_double_operand): Likewise.
9449 (finalize_pic): Finish sparc64 support.
9450 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
9451 64 bit constants if able.
9452 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
9453 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
9455 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
9456 (get_pc_sp32): Use for sparc64 as well.
9457 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
9458 (sethi_di_sp64_const): Likewise.
9459 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
9460 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
9461 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
9463 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
9465 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
9466 * sparc/linux.h (COMMENT_BEGIN): Likewise.
9467 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
9469 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
9471 Add sparc64 linux support.
9472 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
9473 to xm_file list on 32-bit sparc-linux.
9474 * sparc/xm-sp64.h: New file.
9475 * sparc/linux64.h: New file.
9476 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
9477 Don't include xm-sparc.h.
9478 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
9479 * glimits.h (LONG_MAX): Handle sparc64.
9481 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
9483 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
9484 * sparc.h (ASM_COMMENT_START): Define.
9485 * sparc.c (output_function_prologue): Use it.
9486 (sparc_flat_output_function_{epi,pro}logue): Likewise.
9488 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
9490 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
9491 use sparc.h's copies.
9492 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
9495 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9497 * sparc.c (dwarf2out_cfi_label): Add declaration.
9498 (save_regs, output_function_prologue): Remove cast for it.
9499 (sparc_flat_{save_restore,output_function_prologue): Likewise.
9500 ({save,restore}_regs): No longer inline.
9502 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9504 * fold-const.c (make_range): Correctly handle cases of converting
9505 from unsigned to signed type.
9507 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9509 * fold-const.c (merge_ranges): Make sure that if one range is subset
9510 of another, it will always be the second range. Correct (+,-) case to
9513 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
9515 * final.c (final_end_function): Also do dwarf2 thing if
9516 DWARF2_DEBUGGING_INFO.
9517 (final_start_function): Likewise.
9519 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
9521 * expmed.c (expand_divmod): If compute_mode is not the same as
9522 mode, handle the case where convert_modes() causes op1 to no
9523 longer be a CONST_INT.
9525 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
9526 note holding get_jump_flags() calculation to all JUMP_INSNs.
9527 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
9528 * rtl.c (reg_note_name): Add new note types.
9530 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
9532 * rtlanal.c (computed_jump_p): Fix typo in last change.
9534 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9536 * loop.c (indirect_jump_in_function_p): Return 0
9539 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
9541 * rs6000/xm-rs6000.h: Fix thinko in last change.
9542 * rs6000/xm-sysv4.h: Likewise.
9544 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
9546 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
9548 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
9550 * reg-stack.c (find_blocks): Fix thinko in last change.
9552 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9554 * m68k.c (output_function_prologue): Add dwarf2 support.
9556 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
9557 INCOMING_FRAME_SP_OFFSET): New definitions.
9559 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
9561 * combine.c (try_combine): Use NULL_RTX instead of '0' where
9562 appropriate in calls to gen_rtx().
9563 * cse.c (cse_main): Likewise.
9564 * emit-rtl.c (gen_label_rtx): Likewise.
9565 * expr.c (init_expr_once): Likewise.
9566 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
9567 sched_analyze, init_rgn_data_dependences,
9568 compute_block_backward_dependences): Likewise.
9569 * sched.c (schedule_insns): Likewise.
9570 * varasm.c (immed_double_const): Likewise.
9572 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
9573 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
9575 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
9577 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
9578 (MULTILIB_DEFAULTS): Define.
9579 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
9580 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
9581 (LIBGCC_SPEC): Likewise.
9582 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
9583 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
9584 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
9585 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
9586 (EXTRA_PARTS, TAROUTOPTS): Delete.
9587 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
9588 (MULTILIB_OPTIONS): Define.
9589 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
9590 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
9592 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
9594 * version.c: Bump for snapshot.
9596 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
9598 * loop.c (loop_number): Delete function. Change all references
9599 to use uid_loop_num array.
9600 * loop.h (loop_number): Delete declaration.
9601 * unroll.c (unroll_loop): Change "loop_number" references to
9602 use uid_loop_num instead.
9604 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
9606 (loop_unroll_iter): Remove unused variable and all references.
9607 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
9608 (insert_bct): Fix minor formatting problems.
9609 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
9610 (loop_unroll_iter): Removed unused decl.
9611 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
9612 Always record the unrolling factor.
9614 * cse.c (simplify_relational_operation): Set h0u just like h0s.
9615 Similarly for h1u and h1s.
9617 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
9618 (find_basic_blocks): Use computed_jump_p to determine if a
9619 particular JUMP_INSN is a computed jump.
9620 * reg-stack.c (find_blocks): Use computed_jump_p to determine
9621 if a particular JUMP_INSN is a computed jump.
9622 * rtlanal.c (jmp_uses_reg_or_mem): New function.
9623 (computed_jump_p): Likewise.
9624 * rtl.h (computed_jump_p): Declare.
9625 * genattrtab.c (pc_rtx): Define and initialize.
9626 * loop.c (loop_optimize): Always determine if the current
9627 function has a computed jump.
9628 (indirect_jump_in_function_p): Use computed_jump_p to determine
9629 if a particular JUMP_INSN is a computed jump.
9631 * loop.c (fix_bct_param): Delete unused function.
9632 (check_bct_param): Likewise.
9634 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
9636 * frame.c (__deregister_frame): Check properly for initialized object.
9638 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9640 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
9642 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9644 * jump.c (thread_jumps): check can_reverse_comparison_p before
9645 threading a reversed-condition jump.
9647 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
9648 * haifa-sched.c (update_flow_info): Likewise.
9650 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
9652 * Makefile.in (BOOT_CFLAGS): Use -O2.
9654 * configure.in (strtoul, bsearch): Have autoconf check for these
9656 * configure, config.in: Rebuilt.
9658 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
9659 * mips/mips.h (alloca): Likewise.
9660 * rs6000/xm-rs6000.h (alloca): Likewise.
9661 * rs6000/xm-sysv4.h: Likewise.
9663 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
9665 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
9666 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
9667 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
9669 * except.c (end_eh_unwinder): Subtract 1 from return address.
9670 * libgcc2.c (__throw): Likewise.
9671 (find_exception_handler): Don't change PC here. Compare end with >.
9673 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
9675 * v850.c (compute_register_save_size): Correct register
9677 * v850.md (save_interrupt, return_interrupt): Correct
9679 * v850/lib1funcs.asm (save_interrupt): Correct register number.
9680 (return_interrupt): Use stack pointer, not element pointer.
9682 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
9684 * configure.in, configure: Make sure to create the stage* and include
9685 symbolic links in each subdirectory.
9687 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
9689 * pa.md (reload_peepholes): Don't allow addresses with side
9690 effects for the memory operand.
9692 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
9694 * libgcc2.c (find_exception_handler): Subtract one from our PC when
9695 looking for a handler, to avoid hitting the beginning of the next
9698 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
9700 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
9702 * mips/abi64.h (LONG_MAX_SPEC): Define.
9703 * mips.h (LONG_MAX_SPEC): Define.
9704 (CPP_SPEC): Include long_max_spec.
9705 (EXTRA_SPECS): Include long_max_spec.
9707 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
9709 * v850.c (construct_save_jarl): Fix thinko in last change.
9711 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
9713 * version.c: Bump for snapshot.
9715 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
9717 * libgcc2.c (find_exception_handler): Not found is -1.
9719 * integrate.c (expand_inline_function): Move expand_start_bindings
9720 after expanding the arguments.
9722 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
9724 * expr.c (expand_expr): Remove previous incorrect change.
9725 If target and slot has no DECL_RTL, then call mark_addressable
9726 again for the slot after we give it RTL.
9728 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
9730 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
9731 again for the slot after we give it RTL.
9733 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
9735 * v850.c (register_is_ok_for_epilogue,
9736 pattern_is_ok_for_epilogue, construct_restore_jr,
9737 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
9739 * v850.h (pattern_is_ok_for_prologue,
9740 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
9743 * v850.md: Replace prologue and epilogue patterns with a
9744 match_parallel pattern.
9746 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
9748 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
9749 * configure.in: Use EGCS_PROG_INSTALL.
9751 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
9753 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
9754 extern inline function.
9756 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
9758 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
9759 (concat_loc_descriptor): New function.
9760 (loc_descriptor): Call it.
9761 (add_AT_location_description): Also elide the descriptor if both
9762 halves of a CONCAT are pseudos.
9763 (add_location_or_const_value_attribute): Recognize CONCAT too.
9765 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
9767 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
9769 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
9770 out-or-range reg_offset.
9771 (output_epilog): Likewise.
9773 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
9775 * cse.c (simplify_relational_operation): If MODE specifies a
9776 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
9777 is derived from the sign bit of the low word.
9779 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
9781 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
9783 * dwarf2.h: Add DW_CFA_GNU_args_size.
9784 * frame.c (execute_cfa_insn): Likewise.
9785 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
9786 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
9787 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
9788 insn, hand it off to dwarf2out_stack_adjust.
9789 (dwarf2out_begin_prologue): Initialize args_size.
9790 * frame.h (struct frame_state): Add args_size.
9791 * libgcc2.c (__throw): Use args_size.
9792 * final.c (final_scan_insn): If we push args, hand off all insns
9793 to dwarf2out_frame_debug.
9794 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
9796 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
9797 Handle epilogue restore of SP from FP.
9798 * emit-rtl.c (gen_sequence): Still generate a sequence if the
9799 lone insn has RTX_FRAME_RELATED_P set.
9801 * frame.c (extract_cie_info): Handle "e" augmentation.
9802 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
9803 absence of UNALIGNED_*_ASM_OP.
9804 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
9805 (output_call_frame_info): Use "e" instead of "z" for augmentation.
9806 Don't emit augmentation fields length.
9807 (dwarf2out_do_frame): Move outside of #ifdefs.
9808 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
9811 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
9812 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
9813 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
9814 * sparc/sun4gas.h: New file.
9815 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
9817 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
9818 __register_frame_table and __deregister_frame.
9820 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
9822 * except.c (find_exception_handler_labels): Use xmalloc instead of
9823 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
9826 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
9828 * Makefile.in: Various changes to build info files
9829 in the object tree rather than the source tree.
9831 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
9833 * fixinc.math: New file to fix math.h on some systems.
9834 * configure.in (freebsd, netbsd): Use fixinc.math on these
9836 * configure: Rebuilt.
9838 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
9840 * regmove.c (regmove_optimize): If we end up moving the
9841 original insn due to lifetime overlaps, make sure to move
9844 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
9846 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
9848 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
9850 * haifa-sched.c (add_branch_dependences): Make each insn in
9851 a SCHED_GROUP_P block explicitly depend on the previous insn.
9853 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
9855 * except.h: Prototype dwarf2 hooks.
9858 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
9860 * configure.in (native_prefix): Delete.
9861 (mips-dec-netbsd): Don't set prefix.
9862 (*linux*): Don't set prefix.
9864 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
9866 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
9867 defined. If not defined, include <sys/varargs.h> if
9868 HAVE_SYS_VARARGS_H is defined.
9869 * configure.in: Test for varargs.h and sys/varargs.h.
9870 * configure: Regenerate with autoconf.
9871 * config.in: Regenerate with autoheader.
9873 * cpplib.c (quote_string): Cast first arg of sprintf call
9874 from "unsigned char *" to "char *".
9875 (output_line_command): Ditto.
9876 (macroexpand): Ditto.
9877 (do_line): Cast atoi arg from "unsigned char *" to "char *".
9879 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
9881 * version.c: Bump for snapshot.
9883 * Makefile.in (compare): Exit with nonzero status if there
9884 are comparison failures. Note which files failed the
9885 comparison test in .bad_compare.
9887 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9889 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
9891 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
9893 * Makefile.in (LN, LN_S): New macros, use where appropriate.
9894 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
9895 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
9896 * configure: Regenerated.
9898 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
9900 * loop.c (strength_reduce): Fix typo.
9902 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
9904 * m88k/m88k.c (struct option): Rename to struct options.
9905 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
9906 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
9907 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
9908 __DOLPHIN__ or sysV88.
9910 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
9912 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
9915 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
9917 * config.sub: Accept 'amigados' for backward compatability.
9919 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9921 * Makefile.in (testsuite/site.exp): New target.
9922 (check-gcc, check-g++): Depend on testsuite/site.exp.
9923 Don't stop for failure.
9925 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
9927 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
9928 if DWARF2_UNWIND_INFO.
9930 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
9932 Add support for exception handling using DWARF 2 frame unwind info.
9933 Currently works on SPARC and MIPS, and almost on x86.
9935 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
9936 next_stack_level, in_reg_window): Helper fns.
9937 (__throw): Implement for DWARF2_UNWIND_INFO.
9939 * expr.c (expand_builtin): Handle builtins used by __throw.
9940 * tree.h (enum built_in_function): Add builtins used by __throw.
9941 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
9942 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
9943 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
9944 (expand_builtin_extract_return_addr): Likewise.
9945 (expand_builtin_frob_return_addr): Likewise.
9946 (expand_builtin_set_return_addr_reg): Likewise.
9947 (expand_builtin_eh_stub): Likewise.
9948 (expand_builtin_set_eh_regs): Likewise.
9949 (eh_regs): Choose two call-clobbered registers for passing back values.
9951 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
9952 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
9953 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
9954 (stmp-multilib): Likewise.
9955 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
9957 * except.c: #include "defaults.h".
9958 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
9959 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
9960 (register_exception_table_p): New fn.
9961 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
9962 (end_eh_unwinder): Likewise.
9964 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
9965 call __register_frame and __deregister_frame as needed.
9966 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
9967 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
9968 EH_FRAME_SECTION_ASM_OP.
9969 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
9970 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
9971 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
9973 * dwarf2out.c (output_call_frame_info): If no support for
9974 EXCEPTION_SECTION, mark the start of the frame info with a
9976 * collect2.c (frame_tables): New list.
9977 (is_ctor_dtor): Recognise frame entries.
9978 (scan_prog_file): Likewise.
9979 (main): Pass -fno-exceptions to sub-compile. Also do collection
9980 if there are any frame entries.
9981 (write_c_file_stat): Call __register_frame_table and
9982 __deregister_frame as needed.
9983 (write_c_file_glob): Likewise.
9985 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
9986 Also require unaligned reloc support.
9987 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
9988 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
9989 * sparc/sysv4.h: Not here.
9991 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
9992 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
9993 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
9995 * libgcc2.c (L_eh): Reorganize, moving code shared by different
9996 EH implementations to the top.
9997 (find_exception_handler): Split out. Start from 0. Compare against
9999 (__find_first_exception_table_match): Use it.
10000 * except.c (output_exception_table): Don't do anything if there's
10001 no table. Don't output a first entry of zeroes.
10002 (eh_outer_context): Adjust properly.
10003 (add_eh_table_entry): Use xrealloc.
10004 * toplev.c (compile_file): Just call output_exception_table.
10006 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
10008 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
10010 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
10012 * except.c (eh_outer_context): Do masking using expand_and.
10014 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
10016 Add port done awhile ago for the ARC cpu.
10017 * arc/arc.h: New file.
10018 * arc/arc.c: New file.
10019 * arc/arc.md: New file.
10020 * arc/initfini.c: New file.
10021 * arc/lib1funcs.asm: New file.
10022 * arc/t-arc: New file.
10023 * arc/xm-arc.h: New file.
10024 * ginclude/va-arc.h: New file.
10025 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
10026 * ginclude/varargs.h: Likewise.
10027 * Makefile.in (USER_H): Add va-arc.h.
10028 * configure.in (arc-*-elf*): Recognize.
10029 * longlong.h: Add ARC support.
10031 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
10033 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
10034 when clearing non-BLKmode data.
10036 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
10038 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
10039 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
10041 * xm-m88k.h (USG): Only define if it hasn't already been defined.
10043 * Makefile.in (risky-stage1): Delete gratutious whitespace.
10045 * Makefile.in (clean): Delete libgcc1-test.
10047 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
10049 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
10051 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
10054 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10056 * dwarf2out.c (output_call_frame_info): Call named_section.
10058 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
10060 * haifa-sched.c (print_value): Fix last change.
10062 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
10064 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
10067 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
10069 * mips.c (function_prologue): Set up the CFA when ABI_32.
10071 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
10072 for dwarf2 unwind info.
10073 (output_function_prologue, sparc_flat_output_function_prologue): Same.
10075 * final.c (final_end_function): Check dwarf2out_do_frame instead
10076 of DWARF2_DEBUG for dwarf2 unwind info.
10077 (final_scan_insn): Likewise.
10078 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
10081 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
10084 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
10086 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
10088 * v850.h (ASM_SPEC): Pass on target processor.
10089 (CPP_PREDEFINES): Only define if not already specified.
10090 (TARGET_VERSION): Only define if not already specified.
10091 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
10093 (EXTRA_SWITCHES): Extra entries in the switches array.
10094 (TARGET_DEFAULT): Set default target processor.
10096 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
10098 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
10099 cases, add %# and %/, and add : to make them into extended asms.
10101 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
10103 * alias.c (init_alias_analysis): Clean up incompatible pointer
10104 type warning in bzero.
10105 * regmove.c (regmove_optimize): Ditto.
10106 * haifa-sched.c (find_rgns): Ditto.
10108 * haifa-sched.c (print_value): Clean up ptr->int cast
10111 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
10113 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
10114 * install.texi (Configurations): Ditto.
10115 * config.sub: Ditto.
10117 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
10119 * Makefile.in (sdbout.o): Depend on insn-config.h.
10121 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
10123 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
10124 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
10126 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
10128 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
10129 prologue insn, only the first elt is significant.
10130 (output_call_frame_info): For exception handling, always use 4-byte
10131 fields as specified by the dwarf2 spec.
10132 Don't skip trivial FDEs.
10134 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
10136 * version.c: Bump for snapshot.
10138 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
10140 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
10141 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
10144 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
10146 * final.c (shorten_branches): During first pass, assume worst
10147 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
10149 * Makefile.in (distclean): Remove various things left around
10150 by running the testsuite.
10152 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
10154 * configure.in (out_file): Emit definition to config.status in order
10155 to have a defined value for configure.lang.
10156 * configure: Re-built.
10158 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
10160 * configure.in: Make symlink to as-new rather than as.new. Similarly
10162 * configure: Rebuilt.
10164 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
10166 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
10168 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
10170 * sparc/sparc.md: Add ultrasparc scheduling support.
10171 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
10173 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
10175 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
10176 as initial value for real_label_map.
10177 (copy_for_inline): Likewise.
10179 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
10181 * sched.c (update_flow_info) When looking if to set found_split_dest
10182 or found_orig_dest, look at all parts of a PARALLEL.
10183 * haifa-sched.c (update_flow_info): Likewise.
10185 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
10187 * v850: New directory for v850 port.
10188 * v850/lib1funcs.asm: New file.
10189 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
10190 * ginclude/va-v850.h: New file.
10191 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
10192 * configure.in (mn10200-*-*): New target.
10193 * configure: Rebuilt.
10194 * config.sub: Handle v850-elf.
10195 * Makefile.in (USER_H): Add va-mn10200.h.
10196 * invoke.texi: Document v850 stuff.
10198 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
10200 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
10201 has integer TYPE_{MAX,MIN}_VALUE before using them.
10203 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
10204 __HPUX_ASM__ versions.
10206 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
10208 * install.sh: Delete duplicate install script.
10210 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
10212 * reg-stack.c (subst_stack_regs): Pop the stack register for a
10213 computed goto which sets the same stack register.
10215 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
10216 destination are both on the regstack.
10217 (subst_stack_regs_pat): Put the destination at the top of the regstack.
10219 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
10221 * mips.md (nonlocal_goto_receiver): Define.
10223 * profile.c (output_arc_profiler): Check next_insert_after for non
10224 NULL before deferencing it.
10226 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
10228 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
10230 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
10232 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
10234 * toplev.c (rest_of_compilation): For passes starting with
10235 flow_analysis, use print_rtl_with_bb instead of print_rtl.
10237 * print-rtl.c (print_rtl_single): Print a single rtl value to a
10240 * flow.c (print_rtl_with_bb): Print which insns start and end
10241 basic blocks. For the start of a basic block, also print the live
10244 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
10246 * toplev.c (main): Change #elif to #else/#ifdef
10248 * tlink.c: Include ctype.h.
10249 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
10251 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
10253 * bitmap.c: Conditionally include stdlib.h.
10254 (free): Provide a declaration if NEED_DECLARATION_FREE.
10256 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
10258 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
10260 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
10262 * profile.c (output_arc_profiler): Verify next_insert_after is an
10263 INSN before and after skipping a stack pop.
10265 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
10267 * final.c (shorten_branches): Don't count the lengths of deleted
10270 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
10272 * version.c: Bump for snapshot.
10274 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
10276 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
10277 two bitmaps ANDed together.
10278 (bitmap_print): Declare.
10280 * bitmap.c (function_obstack): Don't declare any more.
10281 (bitmap_obstack): Obstack for allocating links from.
10282 (bitmap_obstack_init): New static to say whether to initialize
10284 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
10285 (bitmap_release_memory): Free all memory allocated from
10288 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
10289 EXECUTE_IF_AND_IN_BITMAP.
10291 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
10293 * alias.c (true_dependence): Address with AND can alias scalars.
10294 (anti_dependence, output_dependence): Likewise.
10296 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
10298 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
10300 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
10301 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
10302 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
10303 definitions. Use -qrtems instead of -mrtems.
10305 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
10307 * xm-sco5.h (sys_siglist): Define.
10308 (SYS_SIGLIST_DECLARED): Likewise.
10310 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
10312 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
10314 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
10316 * except.c (eh_outer_context): Expand masking operation using
10319 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
10321 * alpha.md (floatdisf2-1): New pattern.
10323 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
10325 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
10326 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
10327 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
10328 * gcc.texi: Note that if you define sys_siglist that you should
10329 also define SYS_SIGLIST_DECLARED.
10331 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
10332 are relative to the next instruction, not the current instruction.
10334 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
10336 * local-alloc.c (contains_replace_regs): New function.
10337 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
10338 verify that there is no existing REG_EQUIV note, and add a call to
10339 contains_place_regs.
10341 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10343 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
10344 (STARTFILE_SPEC): Always use crtbegin.o%s
10345 (ENDFILE_SPEC): Always use crtend.o%s.
10347 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
10349 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
10351 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
10352 SFmode for 64 bit hosts.
10354 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
10356 * fixincludes: Permits spaces between # and define. Discard C++
10357 comments in sys/pci.h on HP/UX 10.20.
10359 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
10361 * version.c: Bump for snapshot.
10363 * pa.c (restore_unscaled_index_insn_codes): New function.
10364 (record_unscaled_index_insn_codes): Likewise.
10365 (output_function_prologue): Call restore_unscaled_index_insn_codes.
10366 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
10367 (pa_reorg): Call record_unscaled_index_insn_codes.
10369 * haifa-sched.c (move_insn): Handle notes correctly for insns
10370 with SCHED_GROUP_P set.
10372 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10374 * alpha/xm-linux.h (USE_BFD): Undef before define.
10376 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
10378 * cse.c (cse_insn): Don't record BLKmode values.
10380 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
10382 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
10384 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
10386 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
10387 * collect2.c (sys_errlist): Likewise.
10388 * cpplib.c (sys_errlist): Likewise.
10389 * gcc.c (sys_errlist): Likewise.
10390 * protoize (sys_errlist): Likewise.
10391 * configure.in: Check for strerror.
10392 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
10393 * xm-gnu.h (HAVE_STRERROR): Likewise.
10394 * xm-linux.h (HAVE_STRERROR): Likewise.
10395 * xm-netbsd.h (HAVE_STRERROR): Likewise.
10396 * xm-bsd386.h (HAVE_STRERROR): Likewise.
10397 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
10398 * xm-dos.h (HAVE_STRERROR): Likewise.
10399 * xm-mingw32.h (HAVE_STRERROR): Likewise.
10400 * xm-pa.h (HAVE_STRERROR): Likewise.
10401 * xm-papro.h (HAVE_STRERROR): Likewise.
10402 * xm-sysv4.h (HAVE_STRERROR): Likewise.
10403 * configure, config.in: Rebuilt.
10405 * Makefile.in: Add several missing "else true" clauses.
10407 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
10408 * mips-tfile.c: Likewise.
10409 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
10410 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
10411 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
10412 * configure.in: Check for sys_siglist declaration.
10413 * configure, config.in: Rebuilt.
10415 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
10417 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
10418 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
10419 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
10420 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
10421 * rs6000/sysv4.h (extra_subtarget_switches): Added new
10422 macro EXTRA_SUBTARGET_SWITCHES.
10423 * configure.in (sh*-*-rtems*): New target.
10424 * sh/rtems.h: New file.
10425 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
10426 * configure: Rebuilt.
10428 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
10430 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
10432 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
10434 * rs6000.md: Make DF fused-add operations pay attention to
10437 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
10439 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
10441 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
10443 * pa.md (reload_peepholes): Make sure operand is a REG before
10444 examining REGNO. Allow general registers too.
10446 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
10448 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
10450 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
10452 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
10453 to reallocate abbrev_die_table.
10455 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
10457 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
10459 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10461 * Makefile.in (config.status): Depend on version.c
10463 * expr.h (insn_gen_function): Reenable prototype.
10465 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
10468 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
10470 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
10472 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
10474 * version.c: Bump for latest snapshot.
10476 * bc-optab.c: Conditionally include stdlib.h.
10477 (free): Provide a declaration if NEED_DECLARATION_FREE.
10478 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
10479 * rtl.h (free): Remove declaration.
10480 * tree.h (free): Remvoe declaration.
10482 * configure: Rebuilt.
10484 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
10486 * flags.h (flag_move_all_movables): Declare.
10487 (flag_reduce_all_givs): Likewise.
10488 * loop.c (move_movables): Handle flag_move_all_movables.
10489 (strength_reduce): Handle flag_reduce_all_givs.
10490 * toplev.c (flag_move_all_movables): Define.
10491 (flag_reduce_all_givs): Likewise.
10492 (f_options): Add -fmove-all-movables and -freduce-all-givs.
10493 * invoke.texi: Document new options, including alias stuff that
10494 wasn't included last time.
10496 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
10498 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
10499 * t-mn10200: Ditto.
10500 * t-vxsparc: Ditto.
10501 * t-vxworks68: Ditto.
10502 * t-vxworks960: Ditto.
10505 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
10507 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
10508 if not already defined, and USE_C_ALLOCA not defined.
10510 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
10512 * config.guess: Replace with script that uses ../config.guess.
10514 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
10515 if USE_GNULIBC_1 is not defined.
10517 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
10519 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
10520 * config.guess: Recognize alpha-linux-gnulibc1.
10521 * configure.in (alpha-*-linux-gnulibc1): New target.
10522 (alpha-*-linux-gnu*): Don't build crtbegin/end.
10524 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
10526 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
10529 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
10531 * loop.c (combine_movables): Earlier insns don't match later ones.
10533 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10535 * config/linux.h (CC1_SPEC): Define it only if not defined.
10537 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
10540 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
10541 USE_GNULIBC_1 is not defined.
10543 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
10545 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
10546 as 1 if USE_GNULIBC_1 is not defined.
10548 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
10550 * reorg.c (dbr_schedule): Allow current_function_return_rtx
10551 to be something other than a REG.
10552 * function.c (expand_function_end): Fix current_function_return_rtx
10553 if it was a pseudo.
10555 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
10556 * x-netbsd: Likewise
10557 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
10558 (INSTALL_HEADERS): Delete.
10559 * x-dguxbcs: Likewise.
10560 * x-hp3bsd44: Likewise
10563 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10565 * i386.md (pop): pop increments the stack pointer.
10566 (prologue_set_stack_ptr): New pattern.
10567 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
10570 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
10572 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
10573 address where an offsettable address is required.
10575 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
10577 * loop.c (check_final_value): Don't miss a biv increment in a
10580 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
10582 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
10583 TYPE_DECL_IS_STUB instead of DECL_NAME.
10585 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10587 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
10589 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
10591 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
10593 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
10595 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
10596 (find_post_sched_live): Likewise.
10598 * haifa-sched.c (schedule_block): Remove old code to get arguments
10599 from hard regs into pseudos early.
10601 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
10603 * version.c: Bump for new snapshot.
10605 * local-alloc.c (update_equiv_regs): All the target to reject
10606 promotion of some REG_EQUAL to REG_EQUIV notes.
10607 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
10609 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
10612 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
10613 store of the argument registers.
10615 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
10617 * fold-const.c (multiple_of_p): New function.
10618 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
10620 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
10622 * expr.h (insn_gen_function): Temporarily remove prototype.
10624 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
10626 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
10627 filenames. Use sed to extract base filename for install.
10629 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
10631 * unroll.c (find_splittable_givs): Only share if two givs have the
10632 same add and multiply values.
10634 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
10636 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
10637 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
10639 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
10641 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
10642 around branch tables.
10643 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
10644 and .end_brtab directives if TARGET_GAS.
10646 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
10648 * alias.c (true_dependence): Pass x_addr not x to varies.
10650 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
10651 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
10652 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
10654 * config.in, configure: Regenerate.
10656 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
10658 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
10660 (record_set): Handle LO_SUM like PLUS.
10661 (init_alias_analysis): When following chains of base addresses,
10662 do not stop on reaching a hard register.
10664 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
10666 * version.c: Bump for new snapshot.
10668 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
10670 * alpha.h (ARCH_ASM_FILE_START): Define.
10671 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
10672 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
10674 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
10676 * Makefile.in (install-common): Put gcov comment at start of line.
10678 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
10680 * alias.c (init_alias_analysis): When simplifying the reg_base_value
10681 array, simplify entries for hard registers too.
10683 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
10685 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
10688 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
10690 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
10691 block_stack before dereferencing it.
10693 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
10695 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
10697 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
10699 * cplus-dem.c: Add 'extern' to prepends_underscore.
10701 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
10703 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
10704 (get_issue_rate): Delete.
10705 * pa.h (ISSUE_RATE): Define.
10707 * configure.in: Turn on haifa by default for the PA.
10708 * configure: Rebuilt.
10709 * pa.c (override_options): Accept -mschedule=7200 option.
10710 (pa_adjust_cost): No longer need to scale costs for newer
10712 * pa.h (enum processor_type): Add PROCESSOR_7200.
10713 * pa.md: Revamp scheduling parameters to work better with
10714 haifa. Add scheduling parameters for the 7200.
10716 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
10718 (schedule_block): When adjusting basic_block_{head,end}, account
10719 for movement of SCHED_GROUP_P insns too.
10721 * haifa-sched.c (debug_dependencies): Fix thinko.
10723 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
10724 (site.exp, check, check-g++, check-gcc): New targets.
10726 * haifa-sched.c: Make lots of variables static.
10728 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10730 * expr.h, real.h: Finish prototyping.
10732 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
10734 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
10735 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
10736 * reload1.c: Undo bugfix from Aug 11.
10738 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
10740 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
10741 quotes around the name.
10742 * configure: Regenerate.
10744 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
10746 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
10748 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
10750 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
10751 to sub-makes to avoid building more passes than the user might have
10752 requested on the command line.
10754 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
10756 * configure.in: Expurgate `broken_install' (install is
10759 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
10762 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
10764 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
10765 functions and declarations.
10766 (analyze_loop_iterations): Use condjump_p.
10767 (insert_bct): Likewise. Use exact_log2.
10769 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
10771 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
10772 (schedule_region): Likewise.
10773 (schedule_insns): Likewise.
10775 * PROJECTS: Update with Haifa stuff.
10777 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
10779 * version.c: Change the version string to look like:
10780 egcs-2.90.00 970814 (gcc2-970802 experimental).
10782 * loop.c (is_conditional_branch): Make definition match declaration.
10784 * gcc.c: Take out experimental snapshot warning message.
10786 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
10788 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
10789 print out the names of the notes. Print out the name of the insn
10790 that is not a note, and not an {,CALL_,JUMP_}INSN.
10792 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
10794 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
10795 again for the slot after we give it RTL.
10797 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
10799 * configure.in (haifa configury): Fix typo.
10800 * configure: Regenerate.
10802 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
10804 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
10806 * gcc.info*: Rebuilt.
10808 * COPYING.g77, README.g77: New files.
10809 * real.c (ereal_unto_float, ereal_unto_double): New functions.
10810 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
10811 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
10813 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
10815 * Integrate Haifa instruction scheduler.
10816 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
10817 to sched with $(SCHED_CFLAGS.
10818 * configure.in: Handle --enable-haifa.
10819 * configure: Rebuilt.
10820 * flags.h: Add new flags for haifa instruction scheduler.
10821 * genattrtab.c (expand_units): For haifa, don't subtract one
10822 when computing blockage.
10823 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
10824 (flag_schedule_speculative): Ditto.
10825 (flag_schedule_speculative_load): Ditto.
10826 (flag_schedule_speculative_load_dangerous): Ditto.
10827 (flag_schedule_reverse_before_reload): Ditto.
10828 (flag_schedule_reverse_after_reload): Ditto.
10829 (flag_branch_on_count_reg): Ditto.
10830 (f_options): Add Haifa switches.
10831 (main): Turn off some Haifa options if appropriate macro is
10832 defined. Process Haifa switches.
10833 * unroll.c (iteration_info): No longer static, since Haifa
10835 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
10836 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
10837 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
10838 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
10839 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
10840 storage for the Haifa scheduler.
10841 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
10843 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
10844 are defined, call analyze_loop_iterations and insert_bct to use
10846 (record_giv): Refine test for jumps out of loops if HAIFA is
10848 (analyze_loop_iterations): New function to identify if we can use
10850 (insert_bct): Insert countdown loop.
10851 (instrument_loop_bct): Low level code to insert countdown loop.
10852 (loop_number): Calculate UID of loop.
10853 (indirect_jump_in_function_p): Return true if an indirect jump is
10855 (is_power_of_2): Return true if value is a power of 2.
10856 (is_conditional_branch): Return true if insn is a conditional
10858 (fix_bct_param): Process -fbct-{min,max}-N switches.
10859 (check_bct_param): Return true if loop should be instrumented.
10860 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
10861 (loop_optimize): Initialize.
10862 (get_condition_for_loop): Ditto.
10863 * loop.c (strength_reduce): Inside of code that uses #ifdef
10864 HAVE_decrement_and_branch_on_count code, test it to make sure the
10866 (instrument_loop_bct): Ditto.
10867 * haifa-sched.c: New file.
10870 * Integrate regmove pass.
10871 * Makefile.in (OBJS): Add regmove.o
10872 (regmove.o): Add dependencies.
10873 * flow.c (find_use_as_address): No longer static.
10874 * rtl.h (find_use_as_address): Declare.
10875 * toplev.c (regmove_dump, flag_regmove): Define.
10876 (f_options): Add -fregmove.
10877 (regmove_dump_file, regmove_time): Define.
10878 (fatal_insn): Close the regmove dump file.
10879 (compile_file): Initialize regmove_time; open/close the regmove dump
10880 file as needed. Print regmove time as needed.
10881 (rest_of_compilation): Run regmove pass if requested, dump
10882 RTL after regmove if requested.
10883 (main): If -O2 or more, turn on regmove. Handle dump switches.
10884 * regmove.c: New file.
10886 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
10888 * Integrate tlink patch from jason@cygnus.com
10889 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
10890 (process_command): Increment n_switches for them. Don't discard
10891 their args. Validate them.
10892 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
10894 (process_command): Set include_prefixes from COMPILER_PATH.
10895 (main): Set COLLECT_GCC_OPTIONS sooner.
10896 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
10897 * tlink.c, hash.c, hash.h: New files.
10898 * Makefile.in (USE_COLLECT2): Always use collect2.
10899 (collect2): Depend on and link in hash.o and tlink.o.
10900 (tlink.o, hash.o): Add dependencies.
10902 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
10904 * Integrate alias analysis changes from jfc@mit.edu
10905 * Makefile.in (OBJS): Add alias.o
10906 (alias.o): Add dependencies.
10907 * alias.c: New file.
10908 * sched.c: Remove alias analysis code. It lives in alias.c now.
10909 (sched_analyze_2): Add new arguments to true_dependence.
10910 (schedule_insns): Always call init_alias_analysis.
10911 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
10912 mark return value from such functions as a pointer and keep track of
10913 them for alias analysis. If a return value from a function is a
10914 pointer, mark it as such.
10915 * combine.c (distribute_notes): Handle REG_NOALIAS.
10916 * cse.c (struct write_data): Delete. No longer needed.
10917 (invalidate): Don't call set_nonvarying_address_components anymore.
10918 Use true_dependence to decide if an entry should be removed from
10920 (invalidate_memory): Remove WRITES argument, simplify appropriately.
10922 (note_mem_written): Similarly for WRITE_PTR argument.
10923 (invalidate_from_clobbers): Similarly for W argument.
10924 (invalidate_for_call): Remove memory elements from the hash table.
10925 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
10926 (cse_rtx_varies_p): New function. Derived from old
10927 cse_rtx_addr_varies_p.
10928 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
10929 Don't call note_mem_written anymore. Stack pushes invalidate the stack
10930 pointer if PUSH_ROUNDING is defined. No longer need to call
10931 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
10932 (skipped_writes_memory): Remove variable.
10933 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
10934 (invalidate_skipped_block): Simplify for new alias analysis code.
10935 (cse_set_around_loop): Likewise.
10936 (cse_main): Call init_alias_analysis.
10937 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
10938 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
10939 (f_options): Add new alias checking arguments.
10940 (main): Set flag_alias_check when optimizing.
10941 * local_alloc (validate_equiv_mem_from_store): Add new arguments
10942 to true_dependence.
10943 (memref_referenced_p): Likewise.
10944 * loop.c (NUM_STORES): Increase to 30.
10945 (prescan_loop): Only non-constant calls set unknown_address_altered.
10946 (invariant_p): Add new arguments to true_dependence.
10947 (record_giv): Initialize unrolled and shared fields.
10948 (emit_iv_add_mult): Call record_base_value as needed.
10949 * loop.h (struct induction): Add unrolled and shared fields.
10950 * unroll.c (unroll_loop): Call record_base_value as needed.
10951 (copy_loop_body): Likewise.
10952 (final_biv_value): Likewise.
10953 (final_giv_value): Likewise.
10954 (find_splittable_regs): Likewise. Only create one new pseudo
10955 if we have multiple address GIVs that were combined with the same
10956 dst_reg GIV. Note when a new register is created due to unrolling.
10957 * rtl.c (reg_note_name): Add REG_NOALIAS.
10958 * rtl.h (enum reg_note): Similarly.
10959 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
10960 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
10961 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
10962 (true_dependence, read_dependence, anti_dependence): Likewise.
10963 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
10964 (mark_user_reg, mark_reg_pointer): Likewise.
10967 * Integrate reload bugfix from Wilon which enables the PA port
10968 to bootstrap again.
10969 * reload1.c (reload): Sum needs for both OPADDR_ADDR and
10970 OPERAND_ADDRESS when computing how many registers an insn needs.
10971 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
10973 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
10974 OPADDR_ADDR reload.
10975 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
10976 in reload_reg_use_in_op_addr do not reach the end.
10977 do not reach the end.
10978 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
10979 RELOAD_FOR_OPERAND_ADDRESS.
10981 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
10983 * egcs project officially starts.
10986 add-log-time-format: current-time-string