1 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
3 * final.c (output_asm_name): Use tabs to seperate comments from
6 Include instruction lengths (if defined) in output.
8 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
11 in the loop_info structure.
13 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
15 * configure.in: (arm*-*-ecos-elf): New target.
16 * configure: Regenerated.
17 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
18 * config/arm/ecos-elf.h: New file.
19 * config/arm/unknown-elf.h (TARGET_VERSION): Check
22 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
24 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
26 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
28 * version.c: Bump for snapshot.
30 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
32 * loop.c (check_dbra_loop): New argument loop_info. Update fields
35 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
37 * version.c: Bump for snapshot.
39 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
41 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
42 compressed reports are ok and preferred over URLs
44 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
46 * invoke.texi (Warning Options): Soften the tone of -pedantic
48 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
50 * print-rtl.c (print_rtx): Add prototype.
52 * unroll.c (iteration_info): Make it static.
54 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
56 * alias.c (memrefs_conflict_p): A second ANDed address
57 disables the aligned address optimization.
59 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
61 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
64 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
66 * i960.h (BOOL_TYPE_SIZE): Define.
68 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
70 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
71 from old valid_parallel_operands_4.
72 (valid_parallel_operands_4): Check that operands for 4 operand
73 parallel insns are valid, excluding load/store insns.
74 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
75 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
76 valid_parallel_load_store instead of valid_parallel_operands_4.
77 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
78 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
79 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
80 *notqi_movqi_clobber): Use valid_parallel_operands_4.
81 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
82 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
83 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
85 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
87 * config/c4x/c4x.c (iteration_info): Delete extern.
89 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
91 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
93 * final.c (cleanup_subreg_operands): Delete some unused code.
95 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
96 (struct insn_alternative): New structure definition.
97 (recog_op_alt): Declare variable.
98 (preprocess_constraints): Declare function.
99 * recog.c (recog_op_alt): New variable.
100 (extract_insn): Verify number of alternatives is in range.
101 (preprocess_constraints): New function.
102 * reg-stack.c: Include recog.h.
103 (constrain_asm_operands): Delete.
104 (get_asm_operand_lengths): Delete.
105 (get_asm_operand_n_inputs): New function.
106 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
107 N_OUTPUTS args. All callers changed.
108 Compute number of inputs and outputs here by calling
109 get_asm_operand_n_inputs.
110 Instead of constrain_asm_operands, call extract_insn,
111 constrain_operands and preprocess_constaints. Use information
112 computed by these functions throughout.
113 (record_reg_life): Delete code that is unused due to changes in
115 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
116 N_INPUTS and N_OUTPUTS args. All callers changed.
117 Similar changes as in record_asm_reg_life.
118 (subst_stack_regs): Move n_operands declaration into the if statement
120 Delete code that is unused due to changes in subst_asm_stack_regs.
121 * stmt.c (expand_asm_operands): Verify number of alternatives is in
123 * Makefile.in (reg-stack.o): Depend on recog.h.
125 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
127 * except.c (set_exception_version_code): Argument is an "int".
129 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
131 * configure.in (mipsel-*-linux*): New target.
132 * mips/linux.h: New file, based on other Linux targets.
134 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
136 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
137 runs in the context of the deleter, not the deletee, so we must
138 use taskVarGet to find the correct memory to free.
139 (__gthread_key_create): Initialize the task
140 variable subsystem so that the task variable is still active when
141 the delete hook is run.
143 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
145 * pdp11.h: Use optimize_size for space optimizations.
147 * pdp11.md: Likewise.
149 * pdp11.h (TARGET_40_PLUS): Fix typo.
151 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
153 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
156 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
158 * alias.c (addr_side_effect_eval): New function.
159 (memrefs_conflict_p): Use it.
160 * rtl.h (addr_side_effect_eval): Prototype it.
162 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
164 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
166 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
168 * reload.c (find_reloads): When force const to memory, put result
169 in substed_operand not *recog_operand_loc.
171 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
173 * c-lex.c: Fix indentation from last patch.
174 Remove trailing whitespace.
177 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
179 * flow.c (delete_block): Call set_last_insn after we have reset
180 NEXT_INSN (kept_tail).
182 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
184 * mips.md (trap_if): Use "$0" for the value zero.
186 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
187 Stephen L Moshier <moshier@world.std.com>
188 Richard Henderson <rth@cygnus.com>
190 * c-common.c (declare_function_name): Declare predefinied variable
193 * c-decl.c (flag_isoc9x): Set to 1 by default.
194 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
195 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
197 * c-parse.in: Allow constructors in ISO C 9x.
198 Rewrite designator list handling.
199 Allow [*] parameters.
200 Don't warn about comma at end of enum definition for ISO C 9x.
202 * cccp.c (c9x): New variable.
203 (rest_extension): New variable.
204 (print_help): Document new -std= option.
205 (main): Recognize -std= option. Set c9x appropriately.
206 (create_definition): Recognize ISO C 9x vararg macros.
208 * gcc.c (default_compilers): Adjust specs for -std options.
209 (option_map): Add --std.
210 (display_help): Document -std.
212 * toplev.c (documented_lang_options): Add -std and remove
215 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
216 or REAL_VALUE_HTOF based on base of the constants.
217 * fold-const.c (real_hex_to_f): New function. Replacement function
218 for hex FP conversion if REAL_ARITHMETIC is not defined.
219 * real.c (asctoeg): Add handling of hex FP constants.
220 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
223 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
225 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
226 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
227 expansion. Use hi/lo as destination register.
229 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
230 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
231 Avoid as macro expansion. Use hi/lo as destination register.
233 * mips.h (MASK_CHECK_RANGE_DIV): New.
234 (MASK_NO_CHECK_ZERO_DIV): New.
235 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
236 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
237 return address for leaf functions out of r31 to support
238 builtin_return_address.
240 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
242 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
243 NEXT_INSN(x) to check insn x.
245 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
247 * flow.c (delete_block): Call set_last_insn if we end up deleting the
248 last insn in the rtl chain.
250 * reload1.c (reload): Do not set reload_completed or split insns
252 * toplev.c (rest_of_compilation): Set reload_completed after
253 reload returns. Split insns after reload_cse has run.
255 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
257 * final.c (final_scan_insn): Abort if block_depth falls below 0.
259 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
261 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
263 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
265 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
266 use of user-label_prefix.
268 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
270 * reload1.c (emit_reload_insns): Clear spill_reg_store
271 when doing a new non-inherited reload from the same pseudo.
273 * local-alloc.c (function_invariant_p): New function.
274 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
275 to decide if an equivalence should be recorded.
276 * reload1.c (num_eliminable_invariants): New static variable.
277 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
278 to decide if an equivalence should be recorded.
280 (calculate_needs_all_insns): Skip insns that only set an equivalence.
281 Take num_eliminable_invariants into account when deciding
282 if register elimination should be done.
283 (reload_as_needed): Take num_eliminable_invariants into account
284 when deciding if register elimination should be done.
285 (eliminate_regs): Handle non-constant reg_equiv_constant.
286 * rtl.h (function_invariant_p): Declare.
288 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
290 * version.c: Bump for snapshot.
292 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
294 * version.c: Bump for snapshot.
296 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
298 * except.c (add_new_handler): Complain about additional handlers
299 after one that catches everything.
301 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
303 * configure.in (alpha*-*-netbsd): Fix typo.
304 * configure: Rebuilt.
306 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
308 * system.h: Include libiberty.h.
310 * c-aux-info.c: Remove prototypes for concat/concat3. Change
311 function `concat' from fixed parameters to variable parameters,
312 as is done in libiberty. All callers of concat/concat3
313 changed to use the new `concat' with variable args.
315 * cccp.c: Remove things made redundant by libiberty.h and/or
316 conform to libiberty standards.
318 * collect2.c: Likewise.
319 * config/1750a/1750a.h: Likewise.
320 * cppalloc.c: Likewise.
321 * cppexp.c: Likewise.
322 * cppfiles.c: Likewise.
323 * cpphash.c: Likewise.
324 * cpplib.c: Likewise.
325 * dyn-string.c: Likewise.
326 * fix-header.c: Likewise.
329 * genattr.c: Likewise.
330 * genattrtab.c: Likewise.
331 * gencheck.c: Likewise.
332 * gencodes.c: Likewise.
333 * genconfig.c: Likewise.
334 * genemit.c: Likewise.
335 * genextract.c: Likewise.
336 * genflags.c: Likewise.
337 * gengenrtl.c: Likewise.
338 * genopinit.c: Likewise.
339 * genoutput.c: Likewise.
340 * genpeep.c: Likewise.
341 * genrecog.c: Likewise.
342 * getpwd.c: Likewise.
343 * halfpic.c: Likewise.
345 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
346 in NEED_DECLARATION_* macros.
348 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
349 conform to libiberty standards.
350 (fatal): Fix const-ification of variable `format' in
351 !ANSI_PROTOTYPES case.
353 * prefix.c: Remove things made redundant by libiberty.h and/or
354 conform to libiberty standards.
356 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
357 conflicting with function `spaces' from libiberty.
359 * profile.c: Remove things made redundant by libiberty.h and/or
360 conform to libiberty standards.
361 * protoize.c: Likewise.
365 * toplev.c: Likewise.
366 * toplev.h: Likewise.
369 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
371 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
373 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
375 * README.C4X: Updated URLs.
376 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
377 (valid_parallel_operands_5): Remove unused variable.
379 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
381 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
383 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
385 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
386 which can be configured.
387 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
388 (Makefile): Pass actual LANGUAGES through the environment when
390 (cstamp-h): Likewise.
391 (config.status): Likewise.
393 * configure.in (enable_languages): Add new configuration parameter
394 "--enable-languages=lang1,lang2,...".
395 (${srcdir}/*/config-lang.in): Change handling to configure only
396 those directories, that the user might have enabled; default to
397 "all" existing languages.
398 * configure: Regenerate.
400 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
402 * rtlanal.c (regs_set_between_p): New function.
403 * rtl.h (regs_set_between_p): Prototype it.
404 * jump.c (jump_optimize): Use it instead of modified_between_p
407 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
408 Matthias Pfaller <leo@dachau.marco.de>
410 * invoke.texi (Option Summary, NS32K Options): add description
411 of NS32K specific options.
413 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
414 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
415 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
416 negdf2, absdf2): Use l instead of f since the double class and
417 float class are no longer the same.
418 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
419 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
420 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
421 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
423 (cmpsi, cmphi, cmpqi): use general_operand instead of
424 non_immediate_operand. Removes erroneous assumption that can't
426 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
427 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
429 (movstrsi, movstrsi1, movstrsi2): completely new block move
431 (...): Patterns to exploit multiply-add instructions.
432 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
433 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
434 patterns to exploit extended divide insns.
435 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
438 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
439 float return values as well as simple scalar floats.
440 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
441 support new flag to denote 32381 fpu.
442 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
443 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
445 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
446 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
447 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
448 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
449 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
450 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
451 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
452 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
453 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
454 fpu registers and special register classes for new 32381
455 instructions dotf and polyf.
456 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
458 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
459 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
461 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
462 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
463 (REGISTER_MOVE_COST): move code to register_move_cost function for
464 ease of coding and debugging.
465 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
466 LONG_FLOAT_REGO is likely spilled but not caught by default
468 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
469 instead of hard coded numbers in range check.
470 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
471 (...): Add prototypes for functions in ns32k.c but disable because
472 of problems when ns32k.h is included in machine independant files.
474 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
475 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
476 hard_regno_mode_ok, secondary_reload_class,
477 print_operand, print_operand_address): new register scheme to
478 include 32381 fpu registers and special register classes for new
479 32381 instructions dotf and polyf.
480 (gen_indexed_expr): Make static to keep namespace clean.
481 (check_reg): remove since never called.
482 (move_tail, expand_block_move): helper functions for "movstrsi"
484 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
485 Increase cost of moves which go via memory.
486 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
487 (CPP_PREDEFINES): nolonger predefine "unix".
489 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
490 Remove erroneous %$. print_operand() can work out from the rtx is
491 an immediate prefix is required.
493 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
494 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
495 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
497 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
500 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
501 Correct handling of pic operands.
502 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
503 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
504 -mrtd calling convention.
506 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
508 * gcc.c (option_map): Recognize --output-class-directory.
510 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
512 * loop.h (precondition_loop_p): Added new mode argument.
513 * unroll.c (precondition_loop_p): Likewise.
514 (approx_final_value): Function deleted and subsumed
515 into loop_iterations.
516 (loop_find_equiv_value): New function.
517 (loop_iterations): Use loop_find_equiv_value to find increments
518 too large to be immediate constants. Also use it to find terms
519 common to initial and final iteration values that can be removed.
521 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
523 * loop.h (struct loop_info): Define new structure.
524 (precondition_loop_p): Added prototype.
525 (unroll_loop): Added new argument loop_info to prototype.
526 (final_biv_value, final_giv_value): Added new argument n_iterations
528 * loop.c (strength_reduce): Declare new structure loop_iteration_info
529 and new pointer loop_info.
530 (loop_n_iterations): Replace global variable by element in
532 (check_final_value): New argument n_iterations.
533 (insert_bct): New argument loop_info.
534 (loop_unroll_factor): Replace global array by element in
536 (loop_optimize): Remove code to allocate and initialise
537 loop_unroll_factor_array.
538 * unroll.c (precondition_loop_p): No longer static since
539 used by branch on count optimization.
540 (precondition_loop_p, unroll_loop): New argument loop_info.
541 (final_biv_value, final_giv_value, find_splittable_regs): New
542 argument n_iterations.
543 (loop_iteration_var, loop_initial_value, loop_increment,
544 loop_final_value, loop_comparison_code, loop_unroll_factor):
545 Replaced global variables by loop_info structure.
546 (loop_unroll_factor): Replace global array by element in
549 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
551 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
554 * unroll.c (precondition_loop_p): Return loop_initial_value
555 for initial_value instead of loop_iteration_var.
557 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
559 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
560 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
561 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
562 to output the instruction sequences.
564 (rptb_top): Provide alternatives to use any register or memory
566 (rptb_end): Emit use of operands rather than assigning them
567 explicitly to the RS and RE registers.
569 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
571 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
572 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
573 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
574 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
575 c4x_merge_notes, c4x_parallel_process,
576 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
577 c4x_combine_parallel): Delete.
579 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
581 * config/c4x/c4x.c: (c4x_override_options): For compatibility
582 with old target options clear flag_branch_on_count_reg if
583 -mno-rptb specified and set flag_argument_alias is -mno-aliases
585 (c4x_output_cbranch): Handle a sequence of insns rather than a
587 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
588 has not been allocated as the loop counter.
589 (c4x_address_conflict): Do not allow two volatile memory references.
590 (valid_parallel_operands_4, valid_parallel_operands_5,
591 valid_parallel_operands_6): Reject pattern if the register destination
592 of the first set is used as part of an address in the second set.
594 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
596 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
597 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
598 is no longer enabled if PARALLEL_MPY_FLAG set.
599 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
600 (REG_CLASS_CONTENTS): Add braces around initializers.
601 (HAVE_MULTIPLE_PACK): Define.
602 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
603 REAL_VALUE_TO_DECIMAL.
604 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
605 REAL_VALUE_TO_DECIMAL.
606 (ar0_reg_operand): Add prototype.
607 (ar0_mem_operand): Likewise.
608 (ar1_reg_operand): Likewise.
609 (ar1_mem_operand): Likewise.
610 (ar2_reg_operand): Likewise.
611 (ar2_mem_operand): Likewise.
612 (ar3_reg_operand): Likewise.
613 (ar3_mem_operand): Likewise.
614 (ar4_reg_operand): Likewise.
615 (ar4_mem_operand): Likewise.
616 (ar5_reg_operand): Likewise.
617 (ar5_mem_operand): Likewise.
618 (ar6_reg_operand): Likewise.
619 (ar6_mem_operand): Likewise.
620 (ar7_reg_operand): Likewise.
621 (ar7_mem_operand): Likewise.
622 (ir0_reg_operand): Likewise.
623 (ir0_mem_operand): Likewise.
624 (ir1_reg_operand): Likewise.
625 (ir1_mem_operand): Likewise.
626 (group1_reg_operand): Likewise.
627 (group1_mem_operand): Likewise.
628 (ir1_reg_operand): Likewise.
629 (arx_reg_operand): Likewise.
630 (not_rc_reg): Likewise.
631 (not_modify_reg): Likewise.
632 (c4x_group1_reg_operand): Remove prototype.
633 (c4x_group1_mem_operand): Likewise.
634 (c4x_arx_reg_operand): Likewise.
636 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
638 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
639 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
641 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
643 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
646 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
648 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
649 unless FMOVD_WORKS is defined.
651 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
653 * regclass.c (init_reg_sets): Move code that calculates tables
654 dependent on reg_class_contents from here...
655 (init_reg_sets_1): To here.
657 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
659 * cpplib.h: Delete struct import_file. Add ihash element to
660 struct cpp_buffer. Delete dont_repeat_files and
661 import_hash_table elements from cpp_reader; change
662 all_include_files to a hash table. Delete all foobar_include
663 / last_foobar_include elements from struct cpp_options; put
664 back four such: quote_include, bracket_include,
665 system_include, after_include. Redo struct file_name_list
666 completely. Add new structure type include_hash. Add
667 prototypes for merge_include_chains and include_hash. Change
668 prototypes for finclude, find_include_file, and
669 append_include_chain to match changes below.
671 * cppfiles.c (simplify_pathname, include_hash,
672 remap_filename, merge_include_chains): New functions.
673 (add_import, lookup_import, open_include_file): Removed.
674 (INO_T_EQ): Define this (copied from cccp.c).
675 (hack_vms_include_specification): Remove all calls and #if 0
676 out the definition. It was being called incorrectly and at
677 the wrong times. Until a VMSie can look at this, it's better
678 to not pretend to support it.
679 (append_include_chain): Change calling convention; now takes
680 only one directory at a time, and sets up the data structure
682 (redundant_include_p): Rewritten - this is now used for all
683 include redundancy, whether by #ifndef, #import, or #pragma
684 once. Looks up things in the include hash table.
685 (file_cleanup): Decrement pfile->system_include_depth here if
687 (find_include_file): Calling convention changed; now passes
688 around a struct include_hash instead of 3 separate parameters.
689 Guts ripped out and replaced with new include_hash mechanism.
690 (finclude): Calling convention changed as for
691 find_include_file. Error exits pulled out-of-line. Reformat.
692 (safe_read): Return a long, not an int.
693 (deps_output): Don't recurse.
695 * cpplib.c (is_system_include): Deleted.
696 (path_include): Fix up call to append_include_chain.
697 (do_include): Fix up calls to find_include_file and finclude.
698 Clean up dependency output a bit. Shorten obnoxiously lengthy
699 #import warning message. Don't decrement
700 pfile->system_include_depth here.
701 (do_pragma): Understand the include_hash structure. Reformat.
702 (do_endif): Correct handling of control macros. Understand
704 (cpp_start_read): Fix up calls to finclude. Call
705 merge_include_chains.
706 (cpp_handle_option): Fix up calls to append_include_chain.
707 Understand the four partial include chains.
708 (cpp_finish): Add debugging code (#if 0-ed out) for the
710 (cpp_cleanup): Free the include_hash, not the import hash and
711 the all_include and dont_repeat lists which no longer exist.
713 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
715 * toplev.c (no_new_pseudos): Define.
716 (rest_of_compilation): Set no_new_pseudos as needed.
717 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
718 if no_new_pseudos is set.
719 * rtl.h (no_new_pseudos): Declare it.
720 * reload1.c (reload): Update comments.
721 * md.texi: Corresponding changes.
723 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
725 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
726 (choose_reload_regs): Rename it here as well. When computing it,
727 also merge in used hardregs.
729 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
731 * gcc.c: Split out Objective-C specs to...
732 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
735 * c-lex.c (init_parse): Always initialize the filename global.
736 * objc/objc-act.c (lang_init): Always call check_newline at
739 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
741 * reload1.c (reload): Remove unused variable.
742 (reload_reg_free_for_value_p): Add missing parameter definition.
744 * jump.c (jump_optimize): Remove unused variable.
746 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
748 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
750 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
752 * expr.c (move_by_pieces): Similarly.
753 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
754 * flow.c (find_auto_inc): Similarly.
755 (try_pre_increment): Similarly.
756 * loop.c (strength_reduce): Similarly.
757 * regclass.c (auto_inc_dec_reg_p): Similarly.
758 * regmove.c (try_auto_increment): Similarly.
759 (fixup_match_1): Similarly.
760 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
761 (HAVE_PRE_DECREMENT): Similarly.
762 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
763 * Corresponding changes to all target header files.
764 * tm.texi: Update docs for autoinc addressing modes.
766 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
768 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
769 * configure: Rebuild.
770 * config/elfos.h: New file.
771 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
772 config/m68k/t-m68kelf: New file.
774 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
776 * Makefile.in (HOST_AR): Define.
777 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
778 (libcpp.a): Use the host tools explicitly.
779 (STAGESTUFF): Add libcpp.a.
781 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
783 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
784 to source and destination registers.
786 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
788 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
789 The strategy we now use is to pre allocate the top_elt along
790 with the EH context so that each thread has its own top_elt.
791 This is necessary as the dynmanic cleanup chain is used on the
792 top element of the stack and each thread MUST have its own.
793 (eh_context_static): Likewise.
794 (new_eh_context): Likewise.
795 (__sjthrow): Likewise.
797 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
799 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
800 * i386.md (prologue_get_pc): Remove unused variable.
802 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
804 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
806 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
808 * Makefile.in (OBJS): Add graph.o
809 (graph.o): New dependency list.
810 * flags.h: Declare dump_for_graph and define graph_dump_types type.
811 * print-rtl.c (dump_for_graph): Define new variable.
812 (print_rtx): Rewrite to allow use in graph dumping functions.
813 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
814 finish_graph_dump_file.
815 Define graph_dump_format.
816 (compile_file): If graph dumping is enabled also clear these files.
817 Finish graph dump files.
818 (rest_of_compilation): Also dump graph information if enabled.
819 (main): Recognize -dv to enabled VCG based graph dumping.
820 * graph.c: New file. Graph dumping functions.
822 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
824 * configure.in: Look for <sys/stat.h>.
825 * system.h: Include it before substitute S_ISREG definitions.
827 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
829 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
830 * config/mips/iris6.h: Same.
831 * config/mips/mips.md: Same.
832 * config/mips/mips.c: Same; also add "-mabi=o64" option.
833 * config/mips/mips.h: Same; also define ABI_O64.
835 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
837 * configure.in: Use AC_PREREQ(2.12.1).
839 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
841 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
842 * cpplib.c, gcc.c: Likewise.
843 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
845 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
847 * local-alloc.c (local_alloc): Use malloc not alloca for
848 reg_qty, reg_offset, ref_next_in_qty.
850 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
852 * caller-save.c (insert_one_insn): Initialize the live_before and
853 live_after register sets.
857 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
858 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
859 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
860 (fp_reg_names, assembler_dialect): New variables.
861 (print_operand_address): Handle SUBREGs.
862 (print_operand): Added 'o' case.
863 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
864 Name of FP registers depends on mode.
865 (expand_block_move): Emit different code for SH4 hardware.
866 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
867 (from_compare): Likewise.
868 (add_constant): New argument last_value. Changed all callers.
869 (find_barrier): Don't try HImode load for FPUL_REG.
870 (machine_dependent_reorg): Likewise.
871 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
872 (gen_far_branch): Emit a barrier after the new jump.
873 (barrier_align): Don't trust instruction lengths before
875 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
876 Use auto-inc addressing for fp registers if doubles need to
877 be loaded in two steps.
878 Set sh_flag_remove_dead_before_cse.
879 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
880 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
881 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
882 Support for FIRST_XD_REG .. LAST_XD_REG.
883 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
884 (sh_expand_epilogue): Likewise.
885 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
886 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
887 (arith_reg_operand): FPUL_REG is OK for SH4.
888 (fp_arith_reg_operand, fp_extended_operand) New functions.
889 (tertiary_reload_operand, fpscr_operand): Likewise.
890 (commutative_float_operator, noncommutative_float_operator): Likewise.
891 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
892 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
893 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
894 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
895 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
896 (CONDITIONAL_REGISTER_USAGE): Likewise.
897 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
898 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
899 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
900 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
901 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
902 to -1 and sh_flag_remove_dead_before_cse to 1.
903 (ASSEMBLER_DIALECT): Define to assembler_dialect.
904 (assembler_dialect, fp_reg_names): Declare.
905 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
906 Hide names of registers that are not accessible.
907 (CACHE_LOG): Take TARGET_CACHE32 into account.
908 (LOOP_ALIGN): Take TARGET_HARWARD into account.
909 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
910 (FIRST_PSEUDO_REGISTER: Now 49.
911 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
912 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
913 (HARD_REGNO_MODE_OK): Update.
914 (enum reg_class): Add DF_REGS and FPSCR_REGS.
915 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
916 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
917 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
918 (NPARM_REGS): Eight floating point parameter registers on SH4.
919 (BASE_RETURN_VALUE_REG): SH4 also passes double values
920 in floating point registers.
921 (GET_SH_ARG_CLASS) Likewise.
922 Complex float types are also returned in float registers.
923 (BASE_ARG_REG): Complex float types are also passes in float registers.
924 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
925 (LIBCALL_VALUE): Remove trailing semicolon.
926 (ROUND_REG): Round when double precision value is passed in floating
928 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
930 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
931 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
932 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
933 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
934 (MODE_DISP_OK_8): Not for SH4 DFmode.
935 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
936 Allow indexed addressing for PSImode after reload.
937 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
938 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
939 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
940 (DOUBLE_TYPE_SIZE): 64 for SH4.
941 (RTX_COSTS): Add PLUS case.
942 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
943 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
944 MAC_REGS, PR_REGS, DF_REGS.
945 (REGISTER_NAMES): Use fp_reg_names.
946 (enum processor_type): Add PROCESSOR_SH4.
947 (sh_flag_remove_dead_before_cse): Declare.
948 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
949 (PREDICATE_CODES): Add binary_float_operator,
950 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
951 fpscr_operand, noncommutative_float_operator.
952 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
953 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
954 * sh.md (attribute cpu): Add value sh4.
955 (attrbutes fmovd, issues): Define.
956 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
957 (function units memory, int, mpy, fp): Make dependent on issue rate.
958 (function units issue, single_issue, load_si, load): Define.
959 (function units load_store, fdiv, gp_fpul): Define.
960 (attribute hit_stack): Provide proper default.
961 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
962 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
963 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
964 (mulsi3_call): Now uses match_operand for function address.
965 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
967 (push, pop, push_e, pop_e): Now define_expands.
968 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
969 (movsi_ie): Added y/i alternative.
970 (ic_invalidate_line_i, movdf_i4): New insns.
971 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
972 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
973 (movdf): Add special code for SH4.
974 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
975 (call_valuei, calli, call_value): Likewise.
976 (movsf): Emit no-op move.
977 (mov_nop, movsi_y): New insns.
978 (blt, sge): generalize to handle DFmode.
979 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
980 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
981 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
982 (fpu_switch0, fpu_switch1, movpsi): New expanders.
983 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
984 (toggle_sz): New insn.
985 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
986 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
987 (macsf3): Make use of fpscr visible. Disable for SH4.
988 (floatsisf2): Make use of fpscr visible.
989 (floatsisf2_i4): New insn.
990 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
991 (ieee_ccmpeqsf_t): Likewise.
992 (fix_truncsfsi2): Emit different code for SH4.
993 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
994 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
995 (negsf2, sqrtsf2, abssf2): Now expanders.
996 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
997 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
998 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
999 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1000 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1001 (fix_truncdfsi2_i4_2+1): New splitters.
1002 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1003 (extendsfdf2, truncdfsf2): New expanders.
1004 (truncdfsf2_i4): New insn.
1005 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1006 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1007 * float-sh.h: When testing for __SH3E__, also test for
1008 __SH4_SINGLE_ONLY__ .
1009 * va-sh.h (__va_freg): Define to float.
1010 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1011 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1012 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1013 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1015 (TARGET_SH4_P): Define.
1018 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1019 init_expr_once is satisfied about the existence of load / store insns.
1021 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1022 change m constraint in source operand to mr / mf .
1024 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1026 * (__VA_REEF): Define.
1027 (__va_arg_sh1): Use it.
1029 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1031 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1033 * i386/dgux.c (struct option): Add new "description field".
1034 * m88k/m88k.c (struct option): Likewise.
1036 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1038 * version.c: Bump for snapshot.
1040 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1042 * regmove.c (regmove_profitable_p): Use return value of find_matches
1045 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1047 * version.c: Bump for snapshot.
1049 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1051 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1052 without reload having been called earlier.
1054 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1056 (v850_reorg): Similarly.
1058 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1060 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1062 * loop.c (move_movables): Start of libcall might be new loop start.
1064 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1066 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1068 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1070 * function.c (nonlocal_goto_handler_slots): Renamed from
1071 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1072 (push_function_context_to): Adjust for this change.
1073 (pop_function_context_from): Likewise.
1074 (init_function_start): Likewise.
1075 (expand_function_end): Likewise.
1076 * function.h (struct function): Likewise.
1077 * calls.c (expand_call): Likewise.
1078 * explow.c (allocate_dynamic_stack_space): Likewise.
1079 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1080 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1082 (expand_goto): When doing a nonlocal goto, find corresponding handler
1083 slot for it. Don't put the label address in the static chain register.
1084 (expand_end_bindings): Break out nonlocal goto handling code into
1085 three new functions.
1086 (expand_nl_handler_label, expand_nl_goto_receiver,
1087 expand_nl_goto_receivers): New static functions, broken out of
1088 expand_end_bindings and adapted to create one handler per nonlocal
1090 * function.c (delete_handlers): Delete insn if it references any of
1091 the nonlocal goto handler slots.
1092 * i960.md (nonlocal_goto): Comment out code that modifies
1094 * sparc.md (nonlocal_goto): Likewise.
1095 (goto_handler_and_restore_v9): Comment out.
1096 (goto_handler_and_restore_v9_sp64): Comment out.
1098 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1100 * expr.c (STACK_BYTES): Delete unused macro.
1101 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1102 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1103 (expand_call): Likewise.
1104 (emit_library_call): Likewise.
1105 (emit_library_call_value): Likewise.
1106 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1107 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1108 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1109 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1110 (allocate_dynamic_stack_space): Likewise.
1111 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1112 (STACK_BOUNDARY): Update description to reflect the new situation.
1114 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1116 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1117 return with a filled delay slot is followed by a return with an
1118 unfilled delay slot, delete the first return and reemit the insn
1119 that was previously in its delay slot.
1121 * i860.c (single_insn_src_p): Add missing parens.
1122 * ginclude/math-3300.h: Likewise.
1124 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1126 * regclass.c (init_reg_sets_1): Add prototype.
1127 (init_reg_modes): Likewise.
1129 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1131 * c-common.c: Change warning messages to say `comparison is
1132 always true' or `comparison is always false' instead of the
1133 confusing `is always 0', `is always 1'.
1135 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1137 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1138 break instead of return (which loses closing '>').
1140 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1142 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1143 standard 387 constants.
1145 * i386.md (jump): Explicitly set "memory" attribute.
1146 (indirect_jump, prologue_set_stack_ptr): Likewise.
1147 (prologue_get_pc_and_set_got, pop): Likewise.
1148 (allocate_stack_worder, blockage, return_internal): Likewise.
1149 (return_pop_internal, nop): Likewise.
1150 (epilogue_set_stack_ptr, leave): Likewise.
1152 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1154 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1156 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1158 * reload1.c (reload_reg_free_for_value_p):
1159 Early auto_inc reloads don't conflict with outputs.
1161 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1163 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1164 Instead call AC_HEADER_SYS_WAIT.
1166 * collect2.c: Don't provide defaults for sys/wait.h macros.
1168 * protoize.c: Likewise. Also, don't include sys/wait.h.
1170 * system.h: Include sys/wait.h and provide macro defaults.
1172 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1174 * Makefile.in (mandir): Set to @mandir@.
1175 (man1dir): New variable to hold the former value of $(mandir).
1176 Replace all uses of $(mandir) by $(man1dir).
1178 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1180 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1181 a new one before passing it to force_const_mem.
1183 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1184 find_reloads_address call.
1186 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1188 * expr.c (store_expr): Don't generate load-store pair
1189 if TEMP is identical (according to ==) with TARGET.
1191 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1193 * reload1.c (reload_reg_free_for_value_p): When considered reload
1194 has an output, matching inputs are not sufficient to avoid conflict.
1196 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1198 * hash.h (hash_table_key): New type.
1199 (hash_entry): Change `string' field to generic `key'.
1200 (hash_table): Add `comp' and `hash' functions.
1201 (hash_table_init): Take them as input.
1202 (hash_table_init_n): Likewise.
1203 (hash_lookup): Modify for generic keys.
1204 (hash_newfunc): Likewise.
1205 (hash_traverse): Likewise.
1206 (string_hash): New function.
1207 (string_compare): Likewise.
1208 (string_copy): Likewise.
1209 * hash.c (hash_table_init_n): Modify for generic keys.
1210 (hash_table_init): Likewise.
1211 (hash_lookup): Likewise.
1212 (hash_newfunc): Likewise.
1213 (hash_traverse): Likewise.
1214 (string_hash): Split out from hash_lookup.
1215 (string_compare): New function.
1216 (string_copy): Split out from hash_lookup.
1217 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1219 (symbol_hash_lookup): Likewise.
1220 (file_hash_newfunc): Likewise.
1221 (file_hash_lookup): Likewise.
1222 (demangled_hash_newfunc): Likewise.
1223 (demangled_hash_lookup): Likewise.
1224 (tlink_int): Likewise.
1225 (read_repo_file): Likewise.
1226 (recompile_files): Likewise.
1227 (demangle_new_symbols): Likewise.
1228 (scan_linker_output): Likewise.
1230 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1232 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1234 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1236 * rs6000.c (output_mi_thunk): Improve test for local branch.
1238 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1240 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1242 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1244 * reload1.c (reload_reg_free_before_p): Delete.
1245 Changed all callers to use reload_reg_free_for_value_p instead.
1246 (reload_reg_free_for_value_p): Handle more reload types.
1247 A RELOAD_FOR_INPUT doesn't conflict with its
1248 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1249 Add special case for OUT == const0_rtx.
1250 Added ignore_address_reloads argument. Changed all callers.
1252 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1254 * toplev.c (compile_file): Don't pedwarn about undefined static
1255 functions just because we passed -Wunused.
1257 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1259 * function.c (purge_addressof_1): Unshare rtl created by
1262 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1264 * regmove.c (regmove_optimize): Don't do anything but
1265 optimize_reg_copy[123] when flag_regmove is not set.
1267 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1269 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1270 value in paradoxical SImode result, rather than truncating midpoint.
1272 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1274 * alpha.c (reg_not_elim_operand): New.
1275 * alpha.h (PREDICATE_CODES): Add it.
1276 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1277 for the multiplicand.
1279 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1281 * rs6000.md (movsf): Remove explicit secondary-reload-like
1282 functionality. Only truncate SFmode store if in FPR.
1283 (movsf splitters): Combine const_double splitters.
1284 (movsf_hardfloat): Add GPR support.
1286 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1288 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1289 deprecate -mlive-g0 and -mbroken-saverestore.
1290 * t-splet (MULTILIB_OPTIONS): Likewise.
1292 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1293 in a leaf function. Clarify total_size/extra_size relationship.
1295 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1297 * i386/cygwin32.asm: Delete.
1298 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1299 * i386/cygwin32.h: Delete.
1300 * i386/cygwin.h: New file, renamed from cygwin32.h.
1301 * i386/t-cygwin32: Delete.
1302 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1303 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1304 * i386/x-cygwin32: Delete.
1305 * i386/x-cygwin: New file, renamed from x-cygwin32.
1306 * i386/xm-cygwin32: Delete.
1307 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1308 renamed cygwin_ funcs for path translations.
1309 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1310 * i386/winnt.c: Remove "32" from comment about cygwin.
1311 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
1312 * rs6000/cygwin32.h: Delete.
1313 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
1314 -D__CYGWIN__ to CPP_PREDEFINES.
1315 * rs6000/x-cygwin32: Delete.
1316 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
1317 * rs6000/xm-cygwin32: Delete.
1318 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
1320 * configure.in: Check for cygwin* instead of cygwin32. Account
1321 for the rename of cygwin-related config files to lose the "32"s.
1322 * configure: Regenerate.
1324 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
1325 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
1327 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
1329 * Makefile.in (JAVAGC): New macro.
1330 * configure: Rebuilt.
1331 * configure.in: Recognize --enable-java-gc argument. Subst
1334 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1336 Handle equivalences that have been obscured by gcse:
1338 * reload1.c (reload): Handle equivalences set up in multiple places.
1339 * local-alloc.c (reg_equiv_init_insns): New variable.
1340 (no_equiv): New function.
1341 (update_equiv_regs): Handle equivalences set up in multiple places.
1342 Don't ignore an insn just because its destination is likely to be
1345 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
1347 * except.c (expand_eh_return): Readd force_operand call lost in
1350 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
1352 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
1354 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1356 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
1358 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1360 * regmove.c (regmove_optimize): Fix error in last change.
1362 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1364 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
1365 offset in the .mask pseudo to compensate for frame pointer adjustments.
1366 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
1367 word swap arguments moved to/from FP registers.
1368 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
1370 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
1372 * version.c: Bump for snapshot.
1374 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
1376 * version.c: Bump for snapshot.
1378 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
1380 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
1381 times, then it can not be completely replaced.
1383 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
1385 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
1387 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1389 * gansidecl.h: Prepend a "G" to the macro wrapping this file
1390 (to distinguish it from the macro wrapping ansidecl.h.)
1391 Include libiberty's ansidecl.h. Remove all redundant definitions.
1392 Define the PROTO() style macros in terms of the PARAMS() ones.
1395 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
1396 __STDC__, when deciding whether to use ANSI variable args.
1397 (emit_library_call_value): Likewise.
1399 * cccp.c (error): Likewise.
1400 (warning): Likewise.
1401 (error_with_line): Likewise.
1402 (warning_with_line): Likewise.
1403 (pedwarn): Likewise.
1404 (pedwarn_with_line): Likewise.
1405 (pedwarn_with_file_and_line): Likewise.
1408 * cexp.y (error): Likewise.
1409 (pedwarn): Likewise.
1410 (warning): Likewise.
1412 * collect2.c (fatal_perror): Likewise.
1416 * combine.c (gen_rtx_combine): Likewise.
1418 * cpperror.c (cpp_message): Likewise.
1419 (cpp_fatal): Likewise.
1421 * cpplib.c (cpp_error): Likewise.
1422 (cpp_warning): Likewise.
1423 (cpp_pedwarn): Likewise.
1424 (cpp_error_with_line): Likewise.
1425 (cpp_warning_with_line): Likewise.
1426 (cpp_pedwarn_with_line): Likewise.
1427 (cpp_pedwarn_with_file_and_line): Likewise.
1429 * cpplib.h: Don't define PARAMS() macro.
1431 * demangle.h: Likewise.
1433 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
1434 when deciding whether to use ANSI variable args.
1436 * emit-rtl.c (gen_rtx): Likewise.
1437 (gen_rtvec): Likewise.
1439 * final.c (asm_fprintf): Likewise.
1441 * fix-header.c (cpp_message): Likewise.
1443 (cpp_fatal): Likewise.
1445 * gcc.c (concat): Likewise.
1449 * genattr.c (fatal): Likewise.
1451 * genattrtab.c (attr_rtx): Likewise.
1452 (attr_printf): Likewise.
1455 * gencodes.c (fatal): Likewise.
1457 * genconfig.c (fatal): Likewise.
1459 * genemit.c (fatal): Likewise.
1461 * genextract.c (fatal): Likewise.
1463 * genflags.c (fatal): Likewise.
1465 * genopinit.c (fatal): Likewise.
1467 * genoutput.c (fatal): Likewise.
1470 * genpeep.c (fatal): Likewise.
1472 * genrecog.c (fatal): Likewise.
1474 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
1475 deciding whether to declare `tree_node' and `rtx_def'.
1477 * hash.h: Don't define stuff we get from gansidecl.h.
1479 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
1480 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1481 whether to use ANSI variable args.
1484 * prefix.c (concat): Likewise.
1488 * system.h: Likewise.
1490 * toplev.c (error_with_file_and_line): Likewise.
1491 (error_with_decl): Likewise.
1492 (error_for_asm): Likewise.
1495 (warning_with_file_and_line): Likewise.
1496 (warning_with_decl): Likewise.
1497 (warning_for_asm): Likewise.
1498 (warning): Likewise.
1499 (pedwarn): Likewise.
1500 (pedwarn_with_decl): Likewise.
1501 (pedwarn_with_file_and_line): Likewise.
1503 (really_sorry): Likewise.
1505 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1506 whether to declare `tree_node' and `rtx_def'.
1508 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
1509 deciding whether to use ANSI variable args.
1510 (build_nt): Likewise.
1511 (build_parse_node): Likewise.
1513 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
1515 * version.c: Bump for snapshot.
1517 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1519 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
1521 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1523 * collect2.c (main, case 'b'): Use else if.
1525 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1527 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
1528 Arrange to include gansidecl.h in {ht}config.h & tm.h just
1529 before the config/ directory headers.
1530 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
1531 gansidecl.h in the list of dependencies.
1533 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
1534 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
1535 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
1536 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
1537 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
1538 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
1541 * cccp.c: Don't include gansidecl.h.
1543 * collect2.c: Likewise.
1544 * config/c4x/c4x.c: Likewise.
1545 * config/v850/v850.h: Likewise.
1546 * cppalloc.c: Likewise.
1547 * cpperror.c: Likewise.
1548 * cppexp.c: Likewise.
1549 * cppfiles.c: Likewise.
1550 * cpphash.c: Likewise.
1551 * cpplib.c: Likewise.
1552 * cppmain.c: Likewise.
1553 * cppulp.c: Likewise.
1554 * demangle.h: Likewise.
1555 * doprint.c: Likewise.
1556 * dyn-string.c: Likewise.
1557 * eh-common.h: Likewise.
1558 * fix-header.c: Likewise.
1559 * frame.c: Likewise.
1562 * gen-protos.c: Likewise.
1563 * gencheck.c: Likewise.
1564 * halfpic.h: Likewise.
1566 * machmode.h: Likewise.
1567 * mbchar.c: Likewise.
1568 * prefix.c: Likewise.
1569 * protoize.c: Likewise.
1570 * recog.h: Likewise.
1572 * scan-decls.c: Likewise.
1574 * varray.h: Likewise.
1576 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
1578 * i386.md (call_value_pop): If we're not popping anything,
1579 defer to call_value.
1580 (call_pop): Likewise defer to call.
1582 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
1584 * function.c (purge_addressof): Clear purge_addressof_replacements
1585 only after processing the whole function.
1587 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
1589 * reload1.c (reload): If we can not perform a particular elimination
1590 when we thought we could earlier, then we must always iterate through
1591 the loop at least one more time.
1593 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
1595 * alpha.c (add_operand): Simplify the CONST_INT match.
1596 (sext_add_operand): Correct typo in comparison by using
1597 CONST_OK_FOR_LETTER_P.
1598 * alpha.md (s?addq): Use sext_add_operand to allow the negative
1599 constant alternatives to be generated.
1600 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
1601 small constants, since the hw instructions do.
1603 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1605 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
1606 previous insn to store directly into our reload register, make sure
1607 that if the source of the previous insn is a reload register, its
1608 spill_reg_store and spill_reg_stored_to values are cleared.
1610 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
1612 * rs6000.md (floatunssidf2_internal splitter): Use base register
1613 operand, not hard-coded SP.
1615 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1617 * jump.c (calculate_can_reach_end): Fix thinko.
1619 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
1621 * reorg.c (fill_simple_delay_slots): Fix typo.
1623 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
1625 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
1627 * i386.md (extendsidi2): Use # in the output template.
1628 (extendsidi splitters): New splitters.
1630 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
1632 * configure.in: Use unknown-elf.h as tm_file for arm-elf
1634 * configure: Regenerate.
1636 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1638 * jump.c (init_label_info, delete_barrier_successors,
1639 mark_all_labels, delete_unreferenced_labels,
1640 delete_noop_moves, calculate_can_reach_end): New functions broken
1641 out of jump_optimize.
1642 (jump_optimize): Use them.
1644 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1646 * except.c (expand_fixup_region_end): Make sure outer context labels
1647 are not issued in an inner context during cleanups.
1649 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
1651 * alpha.md (addsi3, subsi3): No new temporaries once cse is
1654 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
1656 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
1657 to expose this midpoint to CSE.
1659 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1661 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
1663 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1665 * configure.in: Bring over gcc2 change of Nov 19 1997.
1667 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
1669 * toplev.c (output_lang_identify): Make definition dependent on
1670 ASM_IDENTIFY_LANGUAGE.
1672 * print-rtl.c (spaces): Make static.
1674 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
1676 * extend.texi: Clarify proper uses for register clobbers in asms.
1678 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1680 * recog.h (enum op_type): Define.
1681 (constrain_operands): Adjust prototype.
1682 (recog_op_type): Declare new variable.
1683 * recog.c (recog_op_type): New variable.
1684 (insn_invalid_p): Allow modifying an asm statement after reload.
1685 (extract_insn): Set up recog_op_type.
1686 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
1687 Don't compute operand types, use recog_op_type.
1688 Use the information computed by extract_insn instead of the previous
1689 method of finding it by insn code number.
1690 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
1691 * reorg.c (fill_slots_from_thread): Likewise.
1692 * reload1.c (reload_as_needed): Likewise.
1693 (gen_reload): Likewise.
1694 (inc_for_reload): Likewise.
1695 (reload_cse_simplify_operands): Likewise.
1696 Use the information computed by extract_insn instead of the previous
1697 method of finding it by insn code number.
1698 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
1700 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
1701 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
1702 Use the information computed by extract_insn instead of the previous
1703 method of finding it by insn code number.
1704 * regmove.c (find_matches): Likewise. Change meaning of the return
1705 value to be nonzero if the optimization can be performed, zero if
1706 not. All callers changed.
1707 Shorten some variable names to fix formatting problems.
1708 (regmove_optimize): Shorten some variable names to fix formatting
1710 Use the information computed by extract_insn instead of the previous
1711 method of finding it by insn code number.
1712 * regclass.c (scan_one_insn): Likewise.
1713 (record_reg_classes): Don't compute operand types, use recog_op_type.
1714 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
1715 recog_constraints instead.
1717 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
1719 * rtl.h (flow2_completed): Declare.
1720 * flow.c (flow2_completed): Definition.
1721 * toplev.c (rest_of_compilation): Set and clear flow2_completed
1724 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1726 * Makefile.in (libcpp.a): Ranlib libcpp.a
1728 * cppulp.c (user_label_prefix): Initialize.
1730 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
1732 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
1733 at a RETURN if current_function_sp_is_unchanging is set.
1735 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1737 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
1739 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
1741 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
1742 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
1743 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
1744 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
1745 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
1746 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
1748 (LIB_SPEC): Handle -mno-cyginw option.
1749 (LINK_SPEC): Handle -mdll.
1751 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1753 * reload.c (find_reloads): Fix test for usage by other reload
1754 to handle secondary reloads properly.
1756 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1758 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
1759 intermediate structure which has exactly the members provided by
1760 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
1761 static intermediate structure.
1763 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
1764 from the intermediate structure. Do the same analogous fix in
1765 the case where ELIMINABLE_REGS is not defined.
1767 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
1769 * pa.h (SELECT_SECTION): Fix thinko.
1771 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
1773 * dwarf2out.c (output_call_frame_info): Comments on last change.
1775 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
1777 * arm.c (add_constant): When taking the address of an item in the
1778 pool, get the mode of the item addressed.
1780 * arm.c (final_prescan_insn case INSN): If an insn doesn't
1781 contain a SET or a PARALLEL, don't consider it for conditional
1784 Restore ABI compatibility for NetBSD.
1785 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
1787 (RETURN_IN_MEMORY): Likewise.
1789 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
1791 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
1792 (m32r_output_block_move): Rewrite bytes < 4 handling.
1794 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1796 * configure.in: Call AC_FUNC_VFORK.
1798 * collect2.c: Define VFORK_STRING as a printable string for
1799 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
1800 defined, include vfork.h. If VMS is defined, define vfork()
1801 appropriately. Remove vfork check on USG, we're using autoconf.
1802 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
1803 checking locally what string to pass.
1804 (scan_prog_file): Likewise.
1805 (scan_libraries): Likewise.
1807 * gcc.c: Remove vfork check on USG, we're using autoconf.
1808 Besides, no calls to vfork/fork occur in this file.
1810 * protoize.c: Likewise.
1812 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1814 * configure.in (DEFAULT_LINKER): renamed from LD
1815 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
1816 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
1817 * configure: rebuilt
1819 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1821 * BUGS: fix the regexp for `more' to find the appropriate node.
1822 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
1824 * BUGS: added link to the WWW FAQ
1826 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
1828 * version.c: Bump for snapshot.
1830 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
1832 * From Christian Gafton:
1833 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
1834 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
1835 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
1837 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
1839 * c-common.c (c_get_alias_set): Allow all type-punning through
1840 unions. Don't get confused about the type of a bit-field, despite
1841 the antics of build_modify_expr.
1843 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
1845 * fixinc.sco: Paramaterize #include_next values.
1846 * fixinc/fixinc.sco: Likewise.
1848 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
1850 * toplev.c (rest_of_compilation): No longer set reload_completed.
1851 * reload1.c (reload): Set it here. Perform instruction splitting
1852 after reload has completed if we will be running the scheduler
1855 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
1857 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
1858 EH region if exceptions are enabled and we're performing cross
1860 (find_cross_jump): Exit loop if the insns are in different EH regions.
1862 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
1864 * dwarf2out.c (output_call_frame_info): Use
1865 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
1867 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1869 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
1870 * c-common.c (check_format_info): Don't check for the 'x'
1871 format character twice, instead check for 'x' and 'X'
1873 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
1875 * configure.in (assembler features): Also make gas is configured if
1876 we find it in the souce tree.
1878 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
1880 * i386.c (i386_comp_type_attributes): Compare whether the
1881 attributes are defined, not their tree nodes.
1883 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1885 * configure.in (gxx_include_dir): bitten by autoconf quoting
1887 * configure: rebuilt
1889 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1891 * configure.in: Ignore non-absolute value in $AS.
1893 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
1895 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
1897 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
1899 * configure.in (msdosdjgpp): Set exeext and target_alias.
1901 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1903 * flow.c (XNMALLOC): New macro.
1904 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
1906 (add_edge, add_edge_to_label): New static functions.
1907 (free_bb_memory): New function.
1908 (flow_delete_insn): Delete function.
1909 (basic_block_drops_in): Delete variable.
1910 (find_basic_blocks): Allocate and initialize basic_block_head,
1911 basic_block_succ. Don't allocate basic_block_drops_in.
1912 Call free_bb_memory at the beginning.
1913 (find_basic_blocks_1): Don't do multiple passes.
1914 Delete code to compute basic_block_drops_in.
1915 After calling make_edges, mark blocks reached by current block live.
1916 Update test for unreachable live blocks.
1917 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
1919 Simplify to call add_edge_to_label when a LABEL_REF is found.
1920 (make_edges): Simplify to call add_edge_to_label instead of
1921 mark_label_ref most of the time.
1922 Compute here whether control drops into the next block.
1923 (delete_unreachable_blocks): Return void. All callers changed.
1924 Delete unreachable blocks in reverse order.
1925 After deleting all unreachable blocks, renumber the remaining ones
1926 and update n_basic_blocks.
1927 (delete_block): Speed up deletion a bit.
1928 Don't set basic_block_drops_in for deleted blocks.
1929 (free_basic_block_vars): Don't free basic_block_drops_in.
1930 (life_analysis_1): Update to use new edge representation.
1931 (dump_flow_info): Delete code to print basic block info; call
1932 dump_bb_data instead.
1933 (compute_preds_succs): Delete code to recompute basic_block_drops_in
1934 and uid_block_number.
1935 Simply copy the previously computed cfg.
1936 (dump_bb_data): New arg LIVE_INFO. All callers changed.
1937 Print register lifetime information if LIVE_INFO is nonzero.
1938 * basic-block.h (dump_bb_data): Adjust prototype.
1939 * gcse.c (gcse_main): Update call to dump_bb_data.
1940 * rtl.h (free_bb_memory): Declare.
1941 * toplev.c (rest_of_compilation): Call free_bb_memory.
1943 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
1944 (update_eliminable_offsets): Don't compute it.
1945 (set_initial_elim_offsets): Don't initialize it.
1946 Break out some code into set_initial_label_offsets so the rest of
1947 this function can be called from reload_as_needed.
1948 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
1949 ELIMINABLE_REGS isn't.
1950 (set_initial_label_offsets): New function, broken out of
1951 set_initial_elim_offsets.
1952 (set_offsets_for_label): New function, broken out of set_label_offsets
1953 and reload_as_needed.
1954 (reload): Call the two new functions.
1955 (reload_as_needed): Call set_initial_elim_offsets instead of
1956 duplicating the code. Likewise for set_offsets_for_label.
1958 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
1959 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
1960 any hard reg, reg_reloaded_dead contains valid data.
1962 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
1964 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
1965 "stdcall" and "cdecl" attributes.
1967 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
1969 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
1970 handle deleted no-op moves of hard registers.
1971 * haifa-sched.c (update_flow_info): Likewise.
1973 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
1975 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
1976 of the sequences to reload the HILO register which do not actually
1979 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
1981 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
1983 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1985 * except.c (emit_eh_context): Make the EH context register stay alive
1986 at -O0 so stupid.c doesn't get confused.
1988 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1990 * emit-rtl.c (try_split): Do not try to split a BARRIER.
1992 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
1993 Jeffrey A Law (law@cygnus.com)
1995 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
1996 (zero_extendsidi2): Use # in output template and handle completely by
1998 (zero_extend splitters): New define_splits.
1999 (ashiftrt_32): New pattern.
2001 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2003 * tree.c (append_random_chars): New fn.
2004 (get_file_function_name_long): Use it.
2006 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2008 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2009 (LIBCPP_OBJS): New. Add cppulp.o.
2010 (cppmain, fix-header): Depend on and use libcpp.a.
2011 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2012 of the individual object files.
2013 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2016 * cccp.c (user_label_prefix): New.
2017 (main): Set it off -f*leading-underscore.
2018 (special_symbol): Use it.
2019 * cpplib.c (special_symbol): Likewise.
2020 (cpp_handle_option): Handle -f*leading-underscore.
2021 * cppulp.c: New file.
2023 * output.h (user_label_prefix): Declare it.
2024 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2025 * toplev.c (f_options, main): Handle -f*leading-underscore.
2027 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2028 referencing USER_LABEL_PREFIX directly.
2029 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2030 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2031 * final.c (asm_fprintf): Use user_label_prefix instead.
2032 * arm/thumb.c (thumb_print_operand): Likewise.
2034 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2035 cpp wherever appropriate.
2037 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2039 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2040 specific compiler switches.
2042 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2044 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2047 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2049 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2050 structure which has exactly the members provided by EXTRA_SPECS.
2051 Xmalloc() the real `extra_specs', and initialize it from this
2052 intermediate structure.
2054 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2056 * mips.h (EXTRA_SPECS): Likewise.
2058 * sparc.h (EXTRA_SPECS): Likewise.
2060 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2062 * function.c (purge_addressof_1): Instead of aborting when a
2063 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2064 work just put the ADDRESSOF on stack. Otherwise remember all such
2065 successfull replacements, so that exactly the same replacements
2066 can be made on the REG_NOTEs. Remove the special case for CALL
2068 (purge_addressof_replacements): New variable.
2069 (purge_addressof): Clear it at end.
2071 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2073 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2074 (lang_init): Call check_newline always.
2075 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2076 cpp_start_read, set yy_cur and yy_lim to read from
2077 parse_in.token_buffer, so that we'll see the first #line
2079 * cpplib.c (cpp_start_read): finclude the main input file
2080 before processing -include/-imacros. Process -imacros and
2081 -include separately, and handle -include by stacking a
2082 buffer for the file in question as if it'd been #included.
2083 * toplev.c (documented_lang_options) Recognize -H when
2086 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2088 * cpplib.c: Merge do_once into do_pragma. Break file handling
2089 code out of do_include.
2090 Move append_include_chain, deps_output,
2091 file_cleanup, redundant_include_p, import_hash,
2092 lookup_import, add_import, read_filename_string, read_name_map,
2093 open_include_file, finclude, safe_read to cppfiles.c.
2094 Move prototypes for deps_output, append_include_chain,
2095 finclude to cpplib.h. Move definition of struct
2096 file_name_list there also.
2098 * cppfiles.c: New file. Contains all the above functions
2099 broken out of cpplib.c; also hack_vms_include_specification
2100 from cccp.c and find_include_file, a new function broken out of
2103 * Makefile.in (cppmain): Depend on cppfiles.o.
2104 (fix-header): Likewise.
2105 (cppfiles.o): New target.
2106 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2107 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2109 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2111 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2112 if pending_types is non-zero.
2113 (dwarfout_finish): Verify pending_types is zero before finishing.
2115 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2117 * expr.c (convert_move): Use shifts to perform the move if a
2118 suitable extend pattern cannot be found. Code written by
2119 Richard Henderson <rth@cygnus.com>.
2121 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2123 * regclass.c (renumber, regno_allocated): New static variables, moved
2124 out of allocate_reg_info.
2125 (allocate_reg_info): Move these two variables outside the function.
2126 Move code to free memory into new function free_reg_info.
2127 (free_reg_info): New function, broken out of allocate_reg_info.
2128 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2129 * rtl.h (allocate_reg_info): Don't declare.
2130 (free_reg_info): Declare.
2132 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2134 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2136 * toplev.c (compile_file): Temporarily revert last change.
2138 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2140 * c-typeck.c (convert_for_assignment): Parenthesize.
2142 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2144 * reload1.c (delete_output_reload): Avoid ambigous else.
2146 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2148 * toplev.c (compile_file): Call allocate_reg_info to free register
2150 * rtl.h (allocate_reg_info): Declare.
2152 * PROJECTS: Remove entry for local spilling.
2154 * final.c (cleanup_subreg_operands): New function.
2155 (final_scan_insn): Use it.
2156 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2158 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2159 operands when reload has finished.
2160 * reload.h (cleanup_subreg_operands): Declare..
2161 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2162 reload. Handled in reload itself.
2164 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2166 * reload1.c (verify_initial_offsets): New function.
2167 (reload): Call it after reload_as_needed. Also verify that the frame
2168 size stays constant during reload_as_needed.
2169 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2171 * reload.h (struct insn_chain): Add need_operand_change element.
2172 * reload1.c (new_insn_chain): Clear it.
2173 (calculate_needs_all_insns): Set it; don't overload need_reload.
2174 (reload_as_needed): Use it.
2176 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2177 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2178 and reload_address_index_reg_class.
2179 (find_reloads_address_1): Likewise.
2180 * reload.h (reload_address_base_reg_class,
2181 reload_address_index_reg_class): Don't declare.
2182 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2183 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2184 (used_spill_regs): Now static.
2185 (reload_address_base_reg_class, reload_address_index_reg_class,
2186 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2187 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2188 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2191 (init_reload): Delete code to compute base/index reg classes.
2192 (reload): Delete variable J.
2193 Delete code to manage basic_block_needs.
2194 Don't compute regs_explicitly_used.
2195 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2196 pseudo_previous_regs.
2197 Initialize bad_spill_regs_global.
2198 Don't call order_regs_for_reload here.
2199 Don't initialize spill_reg_order and n_spills.
2200 Don't forbid explicitly used regs to be used for spill regs.
2201 Change main loop to infinite loop, with explicit break statements.
2202 Make SOMETHING_CHANGED variable local to that loop.
2203 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2204 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2205 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2207 Don't call dump_needs.
2208 Delete code to reset potential_reload_regs.
2209 Delete code to terminate loop conditional on the global needs variables
2210 showing no further needs.
2211 (calculate_needs_all_insns): Return void. All callers changed.
2212 Initialize somehing_needs_elimination here, not in reload.
2213 Delete avoid_return_reg kludge.
2214 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2215 All callers changed.
2216 Initialize the group_mode and group_size elements of the arg CHAIN.
2217 Delete code to manage basic_block_needs.
2218 Operate on elements of CHAIN instead of global variables.
2219 Delete avoid_return_reg kludge.
2220 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2221 All callers changed.
2222 Operate on elements of CHAIN instead of global variables.
2223 Delete special SMALL_REGISTER_CLASSES code.
2224 Delete spill_failure code; now in new_spill_reg.
2225 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2226 All callers changed.
2227 Operate on elements of CHAIN instead of global variables.
2228 (maybe_mark_pseudo_spilled): New static function.
2229 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2230 All callers changed.
2231 Operate on elements of CHAIN instead of global variables.
2232 Call order_regs_for_reload here, not in reload.
2233 Initialize spill_reg_order and n_spills.
2234 Simplify test whether an asm insn is involved.
2235 Delete spill_failure code; now in new_spill_reg.
2236 Call maybe_mark_pseudo_spilled for everything marked as live in
2237 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2239 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2240 compiler from optimizing this function (now unused) away.
2241 Operate on elements of CHAIN instead of global variables.
2242 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2244 Operate on elements of CHAIN instead of global variables.
2245 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2246 take CHAIN arg. All callers changed.
2247 Operate on elements of CHAIN instead of global variables.
2248 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2249 CHAIN, NONGROUP args. Return void. All callers changed.
2250 Verify caller isn't trying to spill a pseudo.
2251 Simplify test for illegal reg, just use bad_spill_regs.
2252 Generate better error messages.
2253 Operate on elements of CHAIN instead of global variables.
2254 Mark spilled register in CHAIN's used_spill_regs element.
2255 Don't call spill_hard_reg.
2256 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2257 Mark spilled hard regs in bad_spill_regs_global.
2258 Mark affected pseudos in spilled_pseudos, but don't spill them.
2259 (ior_hard_reg_set): New static function.
2260 (finish_spills): Return int. All callers changed.
2261 Compute spill_reg_order, n_spills and spill_regs here. Also update
2262 regs_ever_live for regs used as spills.
2263 For every pseudo in spilled_pseudos, spill it and mark the previous
2264 hard reg it had in pseudo_previous_regs. Compute which hard regs
2265 arseudo): New static function.
2266 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2267 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2268 hard registers explicitly used across the current insn into the set.
2269 Compute hard_reg_n_uses taking only pseudos live across this insn
2271 Tweak sorting of potential_reload_regs.
2272 (compare_spill_regs): Delete function.
2273 (reload_as_needed): Don't sort the spill_regs array, it's computed
2274 in proper order in finish_spills.
2275 Delete avoid_return_reg kludge.
2276 Delete code to manage basic_block_needs.
2277 (allocate_reload_reg): Minor speed/readability tweaks.
2278 Operate on elements of CHAIN instead of global variables.
2279 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2280 Delete avoid_return_reg kludge.
2281 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2282 Delete unused label FAIL.
2283 (reload_combine): Replce reload_address_index_reg_class with
2285 Don't use used_spill_regs to determine information about lifetime of
2288 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2290 * toplev.c (display_help): Ignore empty target specific
2291 options, and if -W is also specified on the command line then
2292 display undocumented options.
2294 * config/arm/arm.c: Updated with changes in devo sources.
2295 * config/arm/arm.h: Updated with changes in devo sources.
2296 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2297 * config/arm/lib1thumb.asm: Add ELF support.
2299 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2301 * collect2.c (aix64_flag): New variable.
2302 (main, case 'b'): Parse it.
2303 (GCC_CHECK_HDR): object magic number must match mode.
2304 (scan_prog_file): Only check for shared object if valid header.
2305 Print debugging if header/mode mismatch.
2307 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2309 Added support for arm-elf-linux configuration, submitted by Philip
2310 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2311 code developed by Catherine Moore <clm@cygnus.com>. The following
2314 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
2317 * configure: Regenerated.
2319 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
2320 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
2321 definitions conditional on their not having been already defined.
2323 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
2324 and .type directives, and add "(PLT)" qualification to function
2327 * config/arm/linux.h: Deleted. This file is now superceeded by
2328 either linux-elf.h or linux-aout.h.
2330 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
2331 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
2333 Move definitions from old linux.h file here.
2335 * config/arm/elf.h: New file. Generic ARM/ELF support.
2337 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
2339 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
2341 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
2342 using the 26bit APCS.
2344 * config/arm/unknown-elf.h: New file. Support for OS'es other
2345 than Linux with ELF.
2347 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
2350 * config/arm/coff.h: Include aout.h for basic assembler macros.
2351 Add support for -mstructure_size_boundary=<n> command line option.
2353 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
2354 command line option. Make macro definitions conditional on their
2355 not having been already defined.
2357 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
2358 command line option.
2361 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
2363 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
2364 has been changed to not include a newline. Use this macro instead.
2365 (output_enumeral_list, const_value_attribute, name_attribute,
2366 comp_dir_attribute, prototyped_attribute, producer_attribute,
2367 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
2368 dwarfout_file_scope_decl, generate_new_sfname_entry,
2369 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
2370 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
2372 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
2374 * combine.c (subst): Process the inputs to a parallel asm_operands
2377 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
2379 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
2381 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
2383 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
2385 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
2387 * version.c: Bump for snapshot.
2389 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2391 * stmt.c (expand_fixup): Set fixup->before_jump to a
2392 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
2394 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2396 * Makefile.in (recog.o): Depend on toplev.h.
2397 (insn-emit.o): Depend on recog.h.
2398 (insn-peep.o): Depend on recog.h and insn-config.h.
2400 * combine.c (simplify_set): Remove unused variable `scratches'.
2402 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
2403 and `idx' in macro conditional controlling their use.
2405 * genemit.c (main): Make the generated output file include
2406 recog.h. Don't have it declare `insn_operand_constraint', since
2407 we get it from recog.h.
2409 * genpeep.c (main): Make the generated output file include
2410 insn-config.h and recog.h.
2412 * recog.c: Include toplev.h.
2413 (extract_insn): Remove unused variable `p'.
2415 * regclass.c (fix_register): Add missing braces around initializer
2417 (allocate_reg_info): Move variable `i' into the scope where it is
2418 used. Change its type to `size_t'.
2420 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2422 * reload.c (push_reload): When merging reloads, make sure
2423 that reload_in_reg and reload_in are from the same reload in
2426 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
2428 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
2429 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2431 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
2433 * loop.c (loop_has_tablejump): New variable.
2434 (prescan_loop): Scan for it.
2435 (insert_bct): Replace explicit scan with use of it.
2436 * regclass.c (regclass): Restore loop variable j.
2437 (record_reg_classes): Deterine op_types modifiers and initialize
2438 classes[i] before matching constraints. Handle matching
2441 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
2443 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
2446 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2448 * mips.h (EXTRA_SPECS): Add missing initializers.
2450 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2452 * sparc.h (EXTRA_SPECS): Add missing initializers.
2453 (sparc_defer_case_vector): Provide a prototype.
2455 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
2456 comparing it to the result of a pointer subtraction.
2458 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2460 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
2461 the argument to (unsigned char).
2463 * alpha.h (EXTRA_SPECS): Add missing initializers.
2464 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
2467 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
2469 * flow.c (life_analysis_1): Enable "rescan" code after reload.
2470 (propagate_block): Delete dead code after reload.
2472 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
2473 back Oct 15, 1998 change.
2474 * haifa-sched.c (update_flow_info): Likewise.
2475 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
2477 * mn10200.md (truncated shift): Accept constant inputs too.
2479 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
2481 * machmode.h (mode_mask_array): No longer const.
2482 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
2484 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2486 * frame.c: Somewhat explain `FDE'.
2487 Suggested by Brendan Kehoe
2489 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
2491 * expr.c (pending_chain): Move up.
2492 (save_expr_status): Do save pending_chain.
2493 (restore_expr_status): And restore it.
2494 * function.h (struct function): Add pending_chain.
2496 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2498 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
2499 did not match the code.
2501 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2503 * regclass.c (regclass): Break out some code into new function
2504 scan_one_insn, and into regclass_init.
2505 (init_cost): New static variable, moved out of regclass.
2506 (regclass_init): Initialize it here, not in .
2507 (scan_one_insn): New static function, broken out of regclass.
2508 * recog.c (apply_change_group): Break out some code into new
2509 function insn_invalid_p.
2510 (insn_invalid_p): New static fn, broken out of apply_change_group.
2512 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
2514 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
2515 reg_reloaded_contents matches incremented pseudo.
2517 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
2519 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2521 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
2522 addressing modes with side effects. These are currently
2523 placeholders for the C4x target.
2525 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2527 * loop.c (express_from): Make sure that when generating a PLUS of
2528 a PLUS, any constant expression appears on the outermost PLUS.
2530 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
2532 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
2533 works if "$(srcdir)" != ".".
2535 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
2537 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
2538 existing SUBREG if we can, otherwise abort.
2540 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
2542 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
2543 `restrict' is applied to a non-pointer variable.
2545 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
2547 * invoke.texi: Document -flang-isoc9x.
2549 * Makefile.in (OBJS): Add splay-tree.o.
2550 (c-common.o): Depend on rtl.h.
2551 (splay-tree.o): List dependencies and provide build rule.
2553 * rtl.h (record_alias_subset): New function.
2554 * alias.c: Include splay-tree.h.
2555 (alias_set_entry): New type.
2556 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
2557 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
2558 (mems_in_disjoin_alias_sets_p): New function.
2559 (alias_set_compare): Likewise.
2560 (insert_subset_children): Likewise.
2561 (get_alias_set_entry): Likewise.
2563 * tree.h (TYPE_RESTRICT): New macro.
2564 (TYPE_UNQUALIFIED): New manifest constant.
2565 (TYPE_QUAL_CONST): Likewise
2566 (TYPE_QUAL_VOLATILE): Likewise.
2567 (TYPE_QUAL_RESTRICT): Likewise.
2568 (tree_type): Add restrict_flag. Reduce count of free bits.
2569 (DECL_POINTER_ALIAS_SET): New macro.
2570 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
2571 (tree_decl): Add pointer_alias_set.
2572 (build_qualified_type): New function.
2573 (build_type_variant): Define in terms of build_qualified_type.
2574 * tree.c (set_type_quals): New function.
2575 (make_node): Initializae DECL_POINTER_ALIAS_SET.
2576 (build_type_attribute_variant): Use build_qualified_type and
2578 (build_type_variant): Rename, and modify, to become...
2579 (build_qualified_type): New function.
2580 (build_complex_type): Use set_type_quals.
2582 * c-tree.h (C_TYPE_OBJECT_P): New macro.
2583 (C_TYPE_FUNCTION_P): Likewise.
2584 (C_TYPE_INCOMPLETE_P): Likewise.
2585 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
2586 (c_apply_type_quals_to_decl): New function.
2587 (c_build_qualified_type): New function.
2588 (c_build_type_variant): Define in terms of c_build_qualified_type.
2589 (flag_isoc9x): Declare.
2590 * c-typeck.c (qualify_type): Use c_build_qualified_type.
2591 (common_type): Change to use TYPE_QUALS.
2592 (comptypes): Likewise.
2593 (convert_for_assignment): Likewise.
2594 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
2595 * c-decl.c (flag_isoc9x): Define.
2596 (c_decode_option): Handle -flang-isoc9x.
2597 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
2598 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
2599 * c-lex.c (init_lex): Deal with restrict.
2600 (init_lex): Don't treat restrict as a reserved word in
2601 -traditional mode, or without -flang-isoc9x.
2602 * c-lex.h (rid): Add RID_RESTRICT.
2603 * c-parse.gperf (restrict, __restrict, __restrict__): Make
2604 equivalent to RID_RESTRICT.
2605 * c-parse.in (TYPE_QUAL): Update comment.
2606 * c-common.c: Include rtl.h.
2607 (c_find_base_decl): New function.
2608 (c_build_type_variant): Rename, and modify, to become ...
2609 (c_build_qualified_type): New function.
2610 (c_apply_type_quals_to_decl): Likewise.
2611 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
2612 a particular alias set for the reference.
2613 * toplev.c (documented_lang_options): Add -flang-isoc9x.
2615 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
2617 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
2618 command line switches.
2620 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
2622 * reload.c (loc_mentioned_in_p): Add missing braces to bind
2625 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
2627 * gcc.c (option_map): Added --classpath and --CLASSPATH.
2629 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
2631 * regclass.c (fix_register): Add error message.
2632 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
2635 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2637 * c-decl.c (warn_missing_noreturn): New global variable.
2638 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
2639 (finish_function): Implement missing noreturn warning.
2641 * c-tree.h (warn_missing_noreturn): Declare extern.
2643 * invoke.texi: Document new flags.
2645 * toplev.c (documented_lang_options): Add description.
2647 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2649 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
2650 loop optimization stable for the C4x.
2651 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
2652 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
2653 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
2655 (c4x_address_conflict): Be more paranoid when packing a volatile
2656 memref in a parallel load/store.
2658 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2660 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
2661 repeat_block_filler): Deleted.
2662 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
2663 Condition code not set if destination register from 'c' class.
2664 (*subbqi3_carry_clobber): Fix typo.
2666 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2668 * reorg.c (steal_delay_list_from_target) Check for insns that
2669 modify the condition codes and effect the direction of the jump
2672 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
2674 * function.c (purge_addressof_1): Replace call to
2675 emit_insns_before() with emit_insn_before().
2677 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
2679 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
2681 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2683 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
2685 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
2687 * gcse.c (compute_hash_table): Correctly identify hard regs which are
2688 clobbered across calls.
2690 * loop.c (scan_loop): Be more selective about what invariants are
2691 moved out of a loop.
2693 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
2695 * version.c: Bump for snapshot.
2697 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
2699 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
2700 static eh_context structure.
2702 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2704 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
2706 (try_combine): Don't update max_scratch.
2707 * flow.c (max_scratch, num_scratch): Delete variables.
2708 (life_analysis_1): Don't initialize max_scratch.
2709 (propagate_block): Don't update max_scratch.
2710 (mark_set_1): Don't increment num_scratch.
2711 * regs.h (max_scratch): Delete declaration.
2713 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
2715 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
2716 is nonzero. This is temporary!
2718 * sched.c (update_flow_info): Handle death notes made invalid by
2719 instruction splitting. Partially reverts Oct 15, 1998 patch.
2720 * haifa-sched.c (update_flow_info): Likewise.
2722 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
2724 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
2725 if it has a nonzero DECL_INITIAL.
2727 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2729 * Makefile.in (flow.o): Depend on recog.h.
2731 * cpplib.h (directive_table): Add missing initializiers.
2732 (finclude): Change type of variable `bsize' to size_t.
2734 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
2736 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
2738 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
2739 `int' when comparing against one.
2740 (cpp_file_line_for_message): Mark parameter `pfile' with
2742 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
2744 * flow.c: Include recog.h.
2745 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
2747 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
2748 `f' with ATTRIBUTE_UNUSED.
2749 (reposition_prologue_and_epilogue_notes): Likewise.
2751 * genopinit.c (gen_insn): Cast argument of ctype functions to
2754 * haifa-sched.c: Include recog.h.
2755 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
2756 comparing against one.
2758 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
2760 * mips-tfile.c (parse_end): Cast the argument of ctype function to
2762 (parse_ent): Likewise.
2763 (parse_input): Likewise.
2765 * optabs.c (init_libfuncs): Likewise.
2767 * protoize.c (find_rightmost_formals_list): Likewise.
2769 * recog.h (const_double_operand): Fix typo in prototype.
2771 * tlink.c (scan_linker_output): Cast the argument of ctype
2772 function to `unsigned char'.
2774 * toplev.c (check_lang_option): Cast the result of `strlen' to
2775 `int' when comparing against one.
2777 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
2779 * gcse.c (dump_cuid_table): Correct typo.
2781 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
2783 * toplev.c (display_help): Prepend '-m' to target specific
2785 (check_lang_option): Ignore text after end of first word of a
2786 language specific option.
2788 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2790 * reload1.c (reg_used_by_pseudo): New static variable.
2791 (choose_reload_regs): Initialize it.
2792 Use it instead of testing spill_reg_order to determine whether a
2793 pseudo is live in a hard register across the current insn.
2794 Fix a typo in a reference to reload_reg_rtx.
2796 * flow.c (propagate_block): Replace code that computes and uses
2797 regs_sometimes_live with simpler code that just walks the set of
2798 currently live registers.
2800 * Makefile.in (insn-extract.o): Fix dependencies.
2801 * genextract.c (main): Generate includes for insn-config.h and
2803 Delete generation of declarations which are now in recog.h.
2804 * genrecog.c (main): Delete generation of definitions which are
2806 * local-alloc.c (block_alloc): Use extract_insn and the variables
2807 it sets up instead of looking up values by insn_code.
2808 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
2809 recog_dup_num): Define here instead of generating the definition in
2811 (recog_n_operands, recog_n_dups, recog_n_alternatives,
2812 recog_operand_mode, recog_constraints, recog_operand_address_p):
2814 (extract_insn): New function.
2815 * recog.h (extract_insn): Declare function.
2816 (which_alternative, recog_n_operands, recog_n_dups,
2817 recog_n_alternatives, recog_operand_mode, recog_constraints,
2818 recog_operand_address_p): Declare variables.
2819 * regclass.c (n_occurrences): New static function.
2820 * reload.c (n_occurrences): Delete function.
2821 (find_reloads): Use extract_insn.
2822 * reload.h (n_occurrences): Delete declaration.
2824 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
2826 * reload1.c (reload_as_needed): Fix test for when to call
2827 update_eliminable_offsets.
2829 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2831 Fix consistency problems with reg_equiv_{mem,address};
2832 Improve reload inheritance;
2834 * reload.c (reload_out_reg): New variable.
2835 (loc_mentioned_in_p, remove_address_replacements): New functions.
2836 (remove_replacements): Deleted.
2837 (push_reload): Set reload_out_reg[i].
2838 When merging, also set reload_{in,out}_reg[i], and remove
2839 duplicate address reloads.
2840 (combine_reloads): Copy reload_out_reg[i].
2841 (find_reloads): Do make_memloc substitution also when
2842 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
2844 Include *recog_operand_loc in commutativity operand changes.
2845 Generate optional output reloads.
2846 Delete reference to n_memlocs. Don't set *recog_operand_loc before
2847 processing operands. Call make_memloc in reg_equiv_address code.
2848 Set *recog_operand_loc only after processing operands, and only
2849 if replace is true. Return a value.
2850 When changing address reload types for operands that didn't get
2851 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
2852 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
2853 Don't emit USEs for pseudo SUBREGs when not replacing.
2854 (find_reloads_address): Do make_memloc substitution also when
2855 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
2857 (find_reloads_toplev): Likewise.
2858 Call make_memloc in reg_equiv_address code.
2859 (debug_reload_to_stream): Add code to output reload_out_reg.
2860 (make_memloc): Delete local variable i, ifdefed out code, and
2861 references to memlocs and n_memlocs.
2862 (memlocs, n_memlocs): Delete.
2863 (push_secondary_reload): Clear reload_out_reg.
2864 (find_reloads_address_1): Provide memrefloc argument to all calls
2865 to find_reloads_address.
2866 In AUTO_INC code, handle non-directly addressable equivalences properly.
2867 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
2868 (find_reloads): Add return type.
2869 (remove_address_replacements, deallocate_reload_reg): Declare.
2870 * reload1.c (num_not_at_initial_offset): No longer static.
2871 (delete_address_reloads, delete_address_reloads_1): Likewise.
2872 (deallocate_reload_reg): New function.
2873 (spill_reg_stored_to): New array.
2874 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
2875 (eliminate_regs_in_insn): Move assignments of previous_offset and
2876 max_offset fields, and recalculation of num_not_at_initial_offset
2877 into new static function:
2878 (update_eliminable_offsets) .
2879 (reload_as_needed): Call update_eliminable_offsetss after calling
2881 Call forget_old_reloads_1 with contents of reloaded auto_inc
2882 expressions if the actual addressing can't be changed to match the
2884 (choose_reload_regs): For inheritance, replace
2885 reload_reg_free_before_p test with reload_reg_used_at_all test, and
2886 remove stand-alone reload_reg_used_at_all test.
2887 Use reload_out_reg to determine which reload regs have output reloads.
2888 Treat reload_override_in more similar to inherited reloads.
2889 Handle (subreg (reg... for inheritance.
2890 For flag_expensive_optimizations, add an extra pass to remove
2891 unnecessary reloads from known working inheritance.
2892 Delete obsolete code for pseudos replaced with MEMs.
2893 Handle inheritance from auto_inc expressions.
2894 (emit_reload_insns): If reload_in is a MEM, set OLD to
2896 Don't reload directly from oldequiv; if it's a pseudo with a
2897 stack slot, use reload_in[j].
2898 Check that reload_in_reg[j] is a MEM before replacing reload_in
2899 from reg_reloaded_contents.
2900 Include non-spill registers in reload inheritance processing.
2901 Also try to use reload_out_reg to set spill_reg_store /
2902 reg_last_reload_reg.
2903 In code to set new_spill_reg_store, use single_set to find out if
2904 there is a single set.
2905 Add code that allows to delete optional output reloads.
2906 Add code to allow deletion of output reloads that use no spill reg.
2907 At the end, set reload_override_in to oldequiv.
2908 Also call delete_output_reload if reload_out_reg is equal to old
2910 Add code to call delete_output_reload for stores with no matching load.
2911 Set / use spill_reg_stored_to.
2912 Handle case where secondary output reload uses a temporary, but
2913 actual store isn't found.
2914 When looking for a store of a value not loaded in order to call
2915 delete_output_reload, count_occurences should return 0 for no
2916 loads; but discount inherited input reloadill_reg_stored_to.
2917 Do checks for extra uses of REG. Changed all
2919 Use delete_address_reloads.
2920 (reload): Take return value of find_reloads into account.
2921 If a no-op set needs more than one reload, delete it.
2922 (reload_reg_free_before_p): RELOAD_FOR_INPUT
2923 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
2924 for the same operand.
2925 (clear_reload_reg_in_use): Check for other reloads that keep a
2927 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
2928 RELOAD_FOR_OPADDR_ADDR.
2929 Take into account when an address address reload is only needed
2930 for the address reload we are considering.
2931 (count_occurrences): Use rtx_equal_p for MEMs.
2932 (inc_for_reload): Return instruction that stores into RELOADREG.
2933 New argument two, IN, and rtx. Changed all callers.
2934 (calculate_needs_all_insns, reload_as_needed):
2935 Don't clear after_call for a CLOBBER.
2936 Keep track of how many hard registers need to be copied from
2937 after_call, and don't clear after_call before we have seen
2938 that much copies, or we see a different instruction.
2940 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
2942 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
2943 after reload has completed.
2945 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
2947 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
2948 a macro name and the next token with a single blank if that whitespace
2949 is in a macro buffer and the next token is not '('.
2951 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
2953 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
2955 (skip_if_group): Ditto.
2956 (skip_to_end_of_comment): Ditto.
2958 (discard_comments): Ditto.
2959 (change_newlines): Ditto.
2961 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
2963 * c-lex.c (yylex): Fix unaligned access of wchar_t.
2965 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
2967 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
2968 (TARGET_OPTIONS): Add --help documentation.
2970 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2972 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
2974 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
2976 * fixinc/* Moved in from ../contrib directory in preparation
2977 for integrating it into the normal build process. In particular,
2978 fixinc/Makefile.in must be config-ed into the build directory
2979 as fixinc/Makefile. Proposed patches to ./Makefile.in and
2980 ./configure.in will be "in the mail" momentarily.
2982 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
2984 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
2985 accidently walk into the free list. Comment how that can happen.
2986 (invalidate): Fix indentation.
2988 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2989 Jeffrey A Law (law@cygnus.com)
2991 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
2992 reload. Never perform rescans of the insn chain after reload.
2993 (propagate_block): Do not delete insn or create new autoinc addressing
2996 * jump.c (jump_optimize): Unconditionally use the code that was
2997 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
2998 * reload1.c (reload): When reloading is finished, delete all
2999 REG_DEAD and REG_UNUSED notes.
3000 (emit_reload_insns): Delete all code that was conditional on
3001 PRESERVE_DEATH_INFO_REGNO_P.
3002 (no_longer_dead_regs): Delete variable.
3003 (reload_cse_delete_death_notes): Delete function.
3004 (reload_cse_no_longer_dead): Delete function.
3005 (reload_cse_regs_1): Delete all code to handle deletion of death
3007 (reload_cse_noop_set_p): Likewise.
3008 (reload_cse_simplify_set): Likewise.
3009 (reload_cse_simplify_operands): Likewise.
3010 (reload_cse_move2add): Likewise.
3011 * reorg.c (used_spill_regs): Delete declaration.
3012 (max_label_num_after_reload): Delete declaration.
3013 (find_dead_or_set_registers): Don't assume that spill regs are
3014 dead at a CODE_LABEL.
3015 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3017 * sched.c (sched_analyze_insn): Likewise.
3018 (update_flow_info): Likewise.
3019 * haifa-sched.c (sched_analyze_insn): Likewise.
3020 (update_flow_info): Likewise.
3021 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3022 * toplev.c (max_label_num_after_reload): Delete variable.
3023 (rest_of_compilation): Don't set max_label_num_after_reload.
3024 Call life_analysis after reload_cse_regs if optimizing.
3025 * config/gmicro/gmicro.h: Delete comment referring to
3026 PRESERVE_DEATH_INFO_REGNO_P.
3027 * config/i386/i386.h: Likewise.
3028 * config/m88k/m88k.h: Likewise.
3029 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3030 * config/sh/sh.h: Likewise.
3032 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3034 * loop.c (strength_reduce): Restore marking bct_p as
3036 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3037 HAVE_decrement_and_branch_on_count.
3038 (small_data_operand): Remove TARGET_ELF condition for marking
3039 parameters ATTRIBUTE_UNUSED.
3041 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3043 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3044 (SELECT_SECTION): Resync with svr4.h.
3046 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3048 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3051 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3053 * c-pragma.c (handle_pragma_token): Test for null tree before
3054 dereferencing TREE_CODE.
3056 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3058 * config/c4x/c4x.c: Convert to use GEN_INT.
3059 (c4x_parallel_process): Rework to handle new repeat loop structure.
3061 * config/c4x/c4x.md: Convert to use GEN_INT.
3062 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3063 (decrement_and_branch_on_count): Likewise.
3065 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3066 loop.c has the desired functionality.
3067 (rc_reg_operand): New prototype.
3069 * config/c4x/t-c4x: Can now build all front ends.
3071 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3073 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3075 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3077 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3078 * config/t-rtems: Do not install assert.h -- use newlib's.
3080 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3082 * combine.c (combine_instructions): When finished, call init_recog.
3083 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3085 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3087 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3089 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3091 * cppalloc.c (memory_full): Mark function prototype with
3094 * demangle.h (collect_exit): Likewise.
3096 * fix-header.c (v_fatal, fatal): Likewise.
3098 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3101 * gcov.c (print_usage): Likewise.
3103 * genattr.c (fatal, fancy_abort): Likewise.
3105 * genattrtab.c (fatal, fancy_abort): Likewise.
3107 * gencodes.c (fatal, fancy_abort): Likewise.
3109 * genconfig.c (fatal, fancy_abort): Likewise.
3111 * genemit.c (fatal, fancy_abort): Likewise.
3113 * genextract.c (fatal, fancy_abort): Likewise.
3115 * genflags.c (fatal, fancy_abort): Likewise.
3117 * genopinit.c (fatal, fancy_abort): Likewise.
3119 * genoutput.c (fatal, fancy_abort): Likewise.
3121 * genpeep.c (fatal, fancy_abort): Likewise.
3123 * genrecog.c (fatal, fancy_abort): Likewise.
3125 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3126 __sjpopnthrow, __throw): Likewise.
3128 * objc/objc-act.c (objc_fatal): Likewise.
3130 * protoize.c (usage, aux_info_corrupted,
3131 declare_source_confusing): Likewise.
3133 * rtl.c (dump_and_abort): Likewise.
3135 * rtl.h (sets_cc0_p): Likewise.
3137 * toplev.c (float_signal, pipe_closed): Likewise.
3139 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3141 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3142 when generating the decision tree for the general case.
3144 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3145 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3147 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3149 * Makefile.in (sched.o): Depend on recog.h.
3151 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3152 (unsigned) when comparing against one.
3153 (find_base_value): Likewise.
3154 (record_base_value): Cast variable `regno' to (unsigned) when
3155 comparing against one. Cast the result of REGNO() macro to
3156 (unsigned) when comparing against one.
3157 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3159 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3160 variable where an unsigned index is needed.
3162 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3163 before comparing against one.
3165 * collect2.c: Add prototypes for functions `error', `fatal' and
3166 `fatal_perror'. Make these functions take variable arguments
3167 instead of faking it with a fixed number of args.
3168 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3171 * combine.c (can_combine_p): Mark parameter `pred' with
3173 (find_split_point): Cast variable `src' to (unsigned
3174 HOST_WIDE_INT) when comparing against one.
3175 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3176 (simplify_logical): Likewise.
3177 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3178 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3179 HOST_WIDE_INT) in shift.
3180 (simplify_and_const_int): Cast result of INTVAL() macro to
3181 `unsigned HOST_WIDE_INT' when comparing against one.
3182 (merge_outer_ops): Cast variable const0 to `unsigned
3183 HOST_WIDE_INT' when comparing against the result of
3184 GET_MODE_MASK() macro.
3185 (simplify_comparison): Likewise for variable `c0'. Cast variable
3186 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3187 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3188 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3189 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3190 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3191 comparing against one.
3192 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3194 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3195 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3196 (output_block_move): Cast `sizeof' expression to (int) when
3197 comparing against one.
3198 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3200 (save_restore_insns): Cast `base_offset' to `long' to match format
3201 specifier in fprintf.
3203 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3204 to `enum machine_mode'.
3206 * flow.c (life_analysis_1): Remove unused variable `insn'.
3208 * gcc.c (translate_options): Move variables `j' and `k' into the
3209 scope in which they are used. Change their types to `size_t'.
3210 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3211 (read_specs): Likewise.
3212 (process_command): Cast `sizeof' to (int) when comparing against one.
3213 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3214 (handle_braces): Cast both sides of `==' expression to `long' to
3215 ensure sign matching.
3216 (main): Cast variable `i' to `int' when comparing against one.
3218 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3219 int to size_t. Cast variable `i' to size_t when comparing against
3222 * genattrtab.c (convert_set_attr_alternative): Remove unused
3223 parameter `insn_code'. All callers changed.
3224 (convert_set_attr): Likewise.
3226 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3227 size_t when comparing against one. Likewise for variable `len'.
3229 * global.c (global_alloc): Cast variable `max_regno' to size_t
3230 when comparing against one. Likewise for variable `max_allocno'.
3232 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3234 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3235 `set' with ATTRIBUTE_UNUSED.
3236 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3239 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3240 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3241 (get_condition): Cast variable `const_val' to `unsigned
3242 HOST_WIDE_INT' when comparing against one. Cast unsigned
3243 expression to HOST_WIDE_INT when comparing against one.
3244 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3245 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3246 `unsigned' when comparing against one.
3248 * protoize.c (is_id_char): Change type of parameter `ch' to
3250 (munge_compile_params): Cast argument of ctype macro to (const
3252 (process_aux_info_file): Cast variable `aux_info_size' to int when
3253 comparing against one.
3254 (forward_to_next_token_char): Cast argument of ctype macro to
3255 `const unsigned char'.
3256 (edit_formals_lists): Likewise.
3257 (find_rightmost_formals_list): Likewise.
3258 (add_local_decl): Likewise.
3259 (add_global_decls): Likewise.
3260 (edit_fn_definition): Likewise.
3261 (do_cleaning): Likewise.
3262 (scan_for_missed_items): Likewise.
3263 (edit_file): Cast variable `orig_size' to (int) when comparing
3265 (main): Cast argument of ctype macro to `const unsigned char'.
3267 * recog.c (const_int_operand): Mark parameter `mode' with
3270 * regclass.c (record_reg_classes): Change type of variable `c' to
3271 `unsigned char'. Cast `char' array index to `unsigned char'.
3273 * reload.c (push_secondary_reload): Cast argument to
3274 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3276 * reload1.c (calculate_needs): Cast `char' array index to
3278 (set_label_offsets): Change type of variable `i' to unsigned int.
3279 Cast result of XVECLEN() macro to unsigned when comparing against
3281 (mark_not_eliminable): Change type of variable `i' to unsigned.
3282 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3283 when comparing against one.
3284 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3285 comparing against one.
3286 (choose_reload_regs): Hide unused label `fail'.
3287 (reload_cse_simplify_operands): Cast `char' array index to
3289 (reload_combine_note_store): Mark parameter `set' with
3290 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3292 (reload_cse_move2add): Remove unused variable `src2'.
3294 * sched.c: Include recog.h.
3295 (sched_note_set): Remove unused parameter `b'. All callers
3297 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3298 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3299 when comparing against one.
3301 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3302 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3303 comparing against one.
3305 * unroll.c (precondition_loop_p): Remove unused parameter
3306 `loop_end'. All callers changed.
3308 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3310 * reload1.c (maybe_fix_stack_asms): New static function.
3313 * reload.h (compute_use_by_pseudos): Declare.
3315 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
3316 (something_needs_reloads): Delete variable.
3317 (finish_spills): New function.
3318 (compute_use_by_pseudos): New function.
3320 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
3321 Use the reload_insn_chain instead of walking the rtl directly.
3323 (reload): Allocate and free spilled_pseudos.
3324 Ensure that all calls of spill_hard_reg are followed by a call to
3326 Use the insns_need_reload list instead of something_needs_reloads
3327 to find out if reload_as_needed must be called.
3328 Clear unused_insn_chains at the end.
3330 (calculate_needs_all_insns): Lose FIRST parameter. All callers
3332 Delete code to keep track of current basic block.
3333 Walk reload_insn_chain instead of the rtl structure. Build the
3334 insns_need_reload chain.
3335 Remember which insns need reloading/elimination by setting the
3336 appropriate fields in struct insn_chain, not by putting modes on the
3339 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
3340 arg INSN. All callers changed.
3341 Delete declaration of struct needs.
3342 Don't set something_needs_reloads.
3343 Record insn needs in the CHAIN argument.
3345 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
3347 (reload_as_needed): Lose FIRST arg. All callers changed.
3348 Walk the reload_insn_chain instead of the rtx structure.
3349 Delete code to keep track of current basic block.
3350 Rename one of the NEXT variables to OLD_NEXT.
3352 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
3354 (choose_reload_regs): Likewise.
3356 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
3359 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
3360 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
3361 (hard_regs_live, hard_regs_need_restore): Delete variables.
3362 (n_regs_saved): Now static.
3363 (referenced_regs, this_insn_sets): New variables.
3365 (setup_save_areas): Restructure the code a bit.
3367 (restore_referenced_regs): Delete function.
3368 (mark_referenced_regs): New function, similar to the old
3369 restore_referenced_regs, but mark registers in referenced_regs.
3371 (clear_reg_live): Delete function.
3372 (mark_set_regs): Renamed from set_reg_live. All callers changed.
3373 Only mark registers in this_insn_sets.
3375 (save_call_clobbered_regs): Rework this function to walk the
3376 reload_insn_chain instead of using the list of instructions directly.
3377 Delete code to keep track of register lives, compute live regs on the
3378 fly from information in the chain.
3379 Instead of calling restore_referenced_regs, use mark_referenced_regs,
3380 then walk the set it computes and call insert_restore as appropriate.
3382 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
3384 Restructure the code a bit. Test hard_regs_saved instead of
3385 hard_regs_need_restore.
3386 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
3387 args. All callers changed.
3388 Restructure the code a bit. Use TO_SAVE to determine which regs to
3389 save instead of more complicated test.
3390 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
3392 Create a new insn_chain structure for the new insn and place it
3395 * rtl.texi: Update documentation to reflect that reload no longer
3396 puts modes on the insns.
3398 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3400 * function.c (purge_addressof_1): Force the first argument of a
3401 CALL insn to memory.
3403 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
3405 * rtl.h: Delete duplicate prototypes. Add some missing
3407 * rtlanal.c: (for_each_rtx): Formatting tweak.
3409 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3411 * real.c (emdnorm and etoasc): Disable round to even for c4x target
3412 to be compatible with TI compiler.
3414 * Makefile.in (USER_H): Add va-c4x.h to definition.
3416 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
3418 * function.c (purge_addressof_1): Fix typo in inequality: do
3419 bitfield optimization for equal mode sizes.
3420 * expmed.c (store_bit_field): Don't take subregs of subregs in
3421 the movstrict case. Tidy a potential problem in the multi-word case.
3422 (extract_bit_field): Likewise.
3424 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3426 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
3428 Compute max_uid_for_flow by calling get_max_uid after the scan.
3429 (find_basic_blocks_1): Don't emit NOPs here.
3431 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
3433 * alias.c (base_alias_check): Accept new args for the modes of the
3434 two references. Use them to determine if an AND can overlap. Update
3436 (memrefs_conflict_p): Assume sizes are aligned, and uses them
3437 to determine if an AND can overlap.
3439 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
3441 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
3442 check. Add comment to document problems with TARGET_SUN_FPA version
3444 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
3446 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3448 * Makefile.in (gencheck.o): Depend on gansidecl.h.
3450 * c-common.c (print_char_table): Add missing initializers.
3451 (scan_char_table): Likewise.
3452 (time_char_table): Likewise.
3454 * c-decl.c (c_decode_option): Mark parameter `argc' with
3456 (declare_parm_level): Mark parameter `definition_flag' with
3459 * c-lex.c (readescape): Use `(unsigned)1' in shift.
3460 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
3463 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
3465 (emit_call_1): Mark parameters `fndecl' and `funtype' with
3467 (expand_call): Cast result of MIN() to (unsigned int) when
3468 comparing against an unsigned value.
3470 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
3472 (make_definition): Remove unused parameter `op'. All callers
3474 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
3475 comparing against the result of pointer arithmetic.
3477 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
3478 when comparing against one.
3480 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
3481 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
3483 (output_die): Move variable `i' into the scope in which it is
3484 used. Change its type to `unsigned'.
3485 (output_die): Cast the result of `strlen' to (int) when passing it
3486 to ASM_OUTPUT_ASCII().
3487 (output_pubnames): Likewise.
3488 (output_line_info): Likewise.
3490 * emit-rtl.c (global_rtl): Add missing initializers.
3492 * explow.c (promote_mode): Mark parameter `for_call' with
3495 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
3496 `unsigned HOST_WIDE_INT' when comparing against one.
3497 (synth_mult): Change type of variable `cost' to int.
3498 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
3500 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
3501 when comparing against one.
3502 (get_inner_reference): Change variable `alignment' to unsigned.
3503 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
3504 int) when comparing against one.
3505 (expand_builtin_setjmp): Change type of variable `i' to size_t.
3507 * fold-const.c (div_and_round_double): Cast BASE to
3508 (HOST_WIDE_INT) when comparing against one.
3510 * gencheck.c: Include gansidecl.h.
3511 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
3513 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
3514 `tcode' with ATTRIBUTE_UNUSED.
3516 * real.c (edivm): Cast constant value to (unsigned long) in
3517 expression compared against an unsigned value.
3519 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
3520 comparing against one.
3521 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
3522 when comparing against one.
3524 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
3525 (unsigned int) when comparing against one. Likewise for
3527 (smallest_mode_for_size): Likewise.
3528 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
3529 (restore_storage_status): Likewise.
3531 * toplev.c (debug_args): Add missing initializer.
3532 (f_options): Spelling correction. Add missing initializers.
3533 (documented_lang_options): Likewise.
3534 (debug_end_source_file): Mark parameter `lineno' with
3537 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
3538 `decl' and `type' with ATTRIBUTE_UNUSED.
3540 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
3541 when comparing against one.
3542 (assemble_variable): Mark parameter `top_level' with
3544 (assemble_external_libcall): Mark parameter `fun' with
3546 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
3549 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
3551 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
3552 Replace use of r5 with use of r19.
3554 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
3556 * config/v850/v850.c (compute_register_save_size): Allow for the
3557 fact that helper functions save all registers, not just those used
3560 Replace constant 31 with macro LINK_POINTER_REGNUM.
3562 * config/v850/v850.md: Use 'indirect_operand' rather than
3563 'memory_operand' for bit test/set/clear patterns.
3565 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
3567 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
3568 * varasm.c (assemble_start_function et al): Don't call
3569 ASM_GLOBALIZE_LABEL for weak symbols.
3571 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
3573 * cse.c (equiv_constant): Check for NULL return from
3574 gen_lowpart_if_possible().
3576 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
3578 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
3580 * collect2.c (main): Pass -EL/-EB through to the compiler.
3582 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3584 * expr.c (push_block): Handle targets where the stack grows
3585 to higher addresses, but args grow to lower addresses and
3586 ACCUMULATE_OUTGOING_ARGS is not defined.
3588 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
3590 * config/v850/v850.c (print_operand): Extend meaning
3591 of 'c' operands to support .vtinherit.
3593 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3595 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
3596 Added ATTRIBUTE_UNUSED to unused function arguments.
3597 (rc_reg_operand): New predicate.
3598 (c4x_rptb_insert): New function.
3599 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
3600 (c4x_optimization_options): New function.
3602 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
3603 (decrement_and_branch_on_count): New pattern.
3604 (rptb_top): Modified pattern to work with BCT optimization.
3606 * config/c4x/c4x.h (RC_REG): New register class.
3607 (rc_reg_operand): Define prototype.
3608 (IS_RC_REG): New macro.
3609 (IS_RC_OR_PSEUDO_REG): New macro.
3610 (IS_RC_OR_PSEUDO_REGNO): New macro.
3611 (OPTIMIZATION_OPTIONS): Define.
3613 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
3615 * collect2.c (extract_init_priority): No priority is 65535.
3617 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3619 * Makefile.in (build_tooldir): new variable, same as old
3620 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
3621 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
3622 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
3624 * configure.in (gxx_include_dir): set default based on unlibsubdir
3625 * Makefile.in (tooldir): ditto
3626 (cccp.o, cpplib.o): use unlibsubdir implicitly through
3627 gxx_include_dir, includedir and tooldir
3628 (protoize.o, unprotoize.o): ditto
3630 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
3632 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
3634 * config/arm/thumb.c (thumb_override_options): Add warning about
3635 PIC code not being supported just yet.
3637 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
3639 * flow.c: Update comment.
3640 (notice_stack_pointer_modification): New static function.
3641 (record_volatile_insns): Use it.
3642 (mark_regs_live_at_end): Mark the stack pointer as alive
3643 at the end of the function if current_function_sp_is_unchanging
3645 (life_analysis_1): Set current_function_sp_is_unchanging.
3646 * function.c: Define it.
3647 (init_function_start): Initialize it.
3648 * output.h: Declare it.
3649 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
3650 the stack pointer as alive at the end of the function if
3651 current_function_sp_is_unchanging is set.
3652 * i386.c (ix86_epilogue): Optimize the restoring
3653 of the stack pointer.
3655 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
3657 * version.c: Bump for snapshot.
3659 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
3661 * c-pragma.c (handle_pragma_token): If passed a token instead
3662 of a tree, use that as the pack value.
3664 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
3666 * flow.c (find_basic_blocks_1): Fix prototype.
3668 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
3670 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
3671 (struct tree_decl): New fields no_check_memory_usage.
3672 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
3673 (init_attributes): Register it as a new attribute.
3674 (decl_attributes): Set flags on functions given that attribute.
3675 * c-decl.c (duplicate_decls): Merge new attribute.
3676 * expr.h (current_function_check_memory_usage): Declare new var.
3677 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
3678 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
3679 current_function_check_memory_usage.
3680 * function.h: Add field to struct function.
3681 * function.c (current_function_check_memory_usage): Define it.
3682 (push_function_context_to, pop_function_context_from): Save and
3684 (expand_function_start): Set it, based on global flag and function
3687 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
3688 check non-automatic variables, to permit detection of writes to
3689 read-only locations in embedded systems without memory management.
3690 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
3691 when emitting chkr_set_right_libfunc call, even if the argument is
3692 BLKmode or variable-sized; don't abort.
3694 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
3695 symbols in Pmode, not VOIDmode.
3697 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3699 * cppexp.c: When forcing unsigned comparisons, cast both sides
3702 * cpphash.h: Move static declaration of hashtab[]...
3703 * cpphash.c: ...here.
3705 * cpplib.c: Cast difference of two pointers to size_t before
3706 comparing it to size_t. Cast signed to unsigned
3707 before comparing to size_t. (FIXME: struct argdata should use
3708 unsigned buffer sizes.)
3709 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
3710 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
3711 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
3712 size_t before comparison.
3714 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
3716 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
3717 (find_basic_blocks_1): Similarly.
3718 * output.h (find_basic_blocks): Fix prototype.
3719 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
3720 find_basic_blocks anymore.
3722 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
3724 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
3725 (sbitmap_free, sbitmap_vector_free): New macros.
3726 * output.h (rtl_dump_file): Declare.
3728 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
3730 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
3732 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3734 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
3736 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
3737 (divide): Remove unused variable `tmp'.
3738 (si_to_float): Cast numeric constant to (SItype) before comparing
3741 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
3743 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
3744 * gcc.c (add_preprocessor_option): Correct typo when allocating
3745 memory, sizeof() argument had one too many `*'.
3746 (add_assembler_option): Likewise.
3747 (add_linker_option): Likewise.
3748 * gcov.c (output_data): Likewise.
3749 * local-alloc.c (memref_used_between_p): Likewise.
3750 (update_equiv_regs): Likewise.
3751 * loop.c (strength_reduce): Likewise.
3752 * reg-stack.c (record_asm_reg_life): Likewise.
3753 (subst_asm_stack_reg): Likewise.
3754 * reorg.c (dbr_schedule): Likewise.
3756 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3758 * flow.c (life_analysis_1): Break out some functions.
3759 (find_basic_blocks_1): Likewise. Also move some variables out and
3761 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
3762 new static var nonlocal_label_list with it.
3763 (active_eh_region, nested_eh_region, label_value_list,
3764 nonlocal_label_list): New static variables.
3765 (make_edges, delete_unreachable_blocks, delete_block): New static
3766 functions, broken out of find_basic_blocks_1.
3767 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
3768 noop_move_p): New static functions, broken out of life_analysis_1.
3770 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
3772 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
3773 Take extra care for op0 now possibly being a subreg.
3774 (extract_bit_field): Likewise.
3775 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
3776 the reg to memory if there is no equal sized integral mode.
3777 * stor-layout.c (int_mode_for_mode): New function.
3778 * machmode.h: Prototype it.
3780 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
3782 * global.c (build_insn_chain): Verify no real insns exist past the
3783 end of the last basic block, then exit the loop.
3785 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
3787 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
3789 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
3791 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
3793 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
3795 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
3797 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
3799 * flow.c (find_basic_blocks): Correctly determine when a call
3800 is within an exception region.
3802 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
3804 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
3806 * cpplib.h: Protect from multiple inclusions.
3807 * cpplib.c: Fix minor formatting problems.
3809 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
3811 * jump.c (jump_optimize): Revert accidental patch.
3813 * Makefile.in (cpplib.o): Use unlibsubdir.
3815 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
3817 * loop.c (get_condition): Allow combine when either compare is
3820 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
3822 * version.c: Bump for snapshot.
3824 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
3826 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
3827 (init_lex): Initialize ridpointers[RID_BYREF].
3828 * c-lex.h (enum rid): Add RID_BYREF.
3829 * c-parse.gperf: Add RID_BYREF as a type qualifier.
3830 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
3831 (encode_type_qualifiers): Similarly
3832 * c-gperf.h: Rebuilt.
3834 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
3836 * c-common.c (type_for_mode): Only return TItype nodes when
3837 HOST_BITS_PER_WIDE_INT is >= 64 bits.
3838 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
3839 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
3840 (init_decl_processing): Only create TItype nodes when
3841 HOST_BITS_PER_WIDE_INT is >= 64 bits.
3842 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
3843 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
3845 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3847 * stmt.c (n_occurrences): New static function.
3848 (expand_asm_operands): Verify that all constrains match in the
3849 number of alternatives.
3850 Verify that '+' or '=' are at the beginning of an output constraint.
3851 Don't allow '&' for input operands.
3852 Verify that '%' isn't written for the last operand.
3853 * reload.c (find_reloads): Abort if an asm is found with invalid
3854 constraints; all possible problems ought to be checked for earlier.
3856 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3858 * flags.h (flag_branch_on_count_reg): Always declare
3859 * toplev.c (flag_branch_on_count_reg): Likewise.
3860 * toplev.c: Fix typos.
3862 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
3865 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
3867 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
3869 (find_basic_blocks_1): Add a nop to the end of a basic block when
3870 a trailing call insn does not have abnormal control flow.
3871 * gcse.c (pre_transpout): New variable.
3872 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
3873 (compute_pre_transpout): Calculate it.
3874 (compute_pre_ppinout): Use it to eliminate impossible placements
3875 due to abnormal control flow through calls.
3876 (compute_pre_data): Call compute_pre_transpout.
3878 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3880 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
3882 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
3884 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
3885 and matching define_insns): Tack on a `use' of the table label, so
3886 flow analysis will recognize a tablejump.
3888 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
3890 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
3891 always end basic blocks for abnormal edge reasons.
3893 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
3895 * config/i386/i386.h: Remove definition of
3896 HANDLE_PRAGMA_PACK_PUSH_POP.
3898 * config/i386/go32.h: Add definition of
3899 HANDLE_PRAGMA_PACK_PUSH_POP.
3901 * config/i386/win32.h: Add definition of
3902 HANDLE_PRAGMA_PACK_PUSH_POP.
3904 * config/i386/cygwin32.h: Add definition of
3905 HANDLE_PRAGMA_PACK_PUSH_POP.
3907 * c-pragma.c (insert_pack_attributes): Do not insert
3908 attributes unless #pragma pack(push,<n>) is in effect.
3910 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
3912 * expr.c (emit_group_store): Handle a PARALLEL destination.
3914 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
3916 * gcse.c (pre_insert_insn): When a call ends a bb, insert
3917 the new insns before the argument regs are loaded.
3919 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3921 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
3922 (c-parse.gperf): Update comments describing invocation flags.
3923 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
3925 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
3927 * reload1.c (reload): Call free before clobbering the memory
3928 locations or constants pointers.
3930 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3932 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
3933 for efficiency by checking whether we need to modify the current
3934 stack permission at all.
3935 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
3936 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
3937 __enable_execute_stack libcall here too if
3938 TRANSFER_FROM_TRAMPOLINE is defined.
3939 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
3942 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
3944 * Makefile.in (DRIVER_DEFINES): Remove last change.
3946 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3948 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
3949 insns we're going to copy.
3950 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
3952 * loop.c (count_one_set): Add prototype.
3954 * caller-save.c (restore_referenced_regs): Lose mode argument.
3955 (insert_save): Lose mode argument.
3956 (insert_restore): Lose mode argument.
3957 (insert_one_insn): Lose mode argument.
3958 (save_call_clobbered_regs): Lose mode argument.
3959 (setup_save_areas): Take no argument and return void. All callers
3961 Don't verify validity of memory addresses.
3962 * reload.h (setup_save_ares): Adjust prototype.
3963 (save_call_clobbered_regs): Likewise.
3964 * reload1.c (delete_caller_save_insns): New function.
3965 (caller_save_spill_class): Delete variable.
3966 (caller_save_group_size): Delete variable.
3967 (reload): Call setup_save_areas and save_call_clobbered_regs
3968 in the main loop, before calling calculate_needs_all_insns.
3969 Don't call save_call_clobbered_regs after the loop.
3970 Call delete_caller_save_insns at the end of an iteration if
3972 Delete code to manage caller_save_spill_class.
3973 Emit the final note before setting reload_first_uid.
3974 Simplify test that determines whether reload_as_needed gets run.
3975 (calculate_needs): Delete code to manage caller_save_spill_class.
3977 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
3979 * collect2.c (main): Initialize ld_file_name.
3981 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
3983 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
3984 check for flag_function_sections.
3986 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3988 * cse.c (insert_regs): Fix bug in Sep 24 change.
3990 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3992 * flags.h (flag_dump_unnumbered): Declare.
3993 * toplev.c (flag_dump_unnumbered): Don't declare.
3994 * print-rtl.c (flags.h): Include.
3995 (print_rtl_single): Add return value.
3996 * rtl.h (print_rtl_single): Update declaration.
3997 * flow.c (flag_dump_unnumbered): Don't declare.
3998 (print_rtl_with_bb): Use return value of print_rtl_single.
4000 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4002 * loop.c (count_one_set): New static function, broken out of
4004 (count_loop_regs_set): Call it.
4005 * global.c (mark_reg_store): Handle clobbers here by not calling
4007 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4008 is in fact a clobber.
4009 * integrate.c (process_reg_param): New function, broken out of
4010 expand_inline_function.
4011 (expand_inline_function): Call it.
4014 * i386.md (addsidi3_1): Delete unused variable temp.
4015 (addsidi3_2): Likewise.
4016 (clstrstrsi): Delete unused variable addr1.
4018 * rtl.h: Don't declare any functions also declared in recog.h.
4020 * Makefile.in (stupid.o): Update dependencies.
4021 (global.o): Likewise.
4023 * global.c: Include reload.h
4024 (reg_becomes_live): New function.
4025 (reg_dies): New function.
4026 (build_insn_chain): New function.
4027 (global_alloc): Call build_insn_chain before calling reload.
4029 * reload.h (struct needs): New structure definition.
4030 (struct insn_chain): Likewise.
4031 (reload_insn_chain): Declare variable.
4032 (new_insn_chain): Declare function.
4035 * reload1.c (reload_startobj): New variable.
4036 (reload_insn_chain): New variable.
4037 (unused_insn_chains): New variable.
4038 (new_insn_chain): New function.
4039 (init_reload): Initialize reload_startobj, not reload_firstobj.
4040 (reload): Initialize reload_firstobj.
4041 Before returning, free everything on the reload_obstack.
4043 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4044 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4045 current_chain): New variables.
4046 (reg_where_born): Delete variable.
4047 (REG_WHERE_BORN): New macro.
4048 (find_clobbered_regs): New function.
4049 (stupid_life_analysis): Don't allocate/free reg_where_born.
4050 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4051 reg_where_dead_chain.
4052 Use REG_WHERE_BORN instead of reg_where_born.
4053 While processing the insns, build the reload_insn_chain with
4054 information about register lifetimes.
4055 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4056 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4058 Compute and information about birth and death of pseudo registers in
4059 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4060 Delete code to set elements of reg_where_born.
4062 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4064 * tree.def (GOTO_EXPR): Modified documentation.
4065 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4068 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4070 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4071 loop_final_value, loop_comparison_code): No longer static.
4072 (unroll_loop): Delete loop_start_value update.
4073 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4074 loop_final_value, loop_comparison_code): Extern.
4075 (loop_start_value): Delete extern.
4076 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4077 loop_comparison_value, loop_comparison_code): Delete.
4078 (loop_optimize): Remove initialization for deleted variables.
4079 (strength_reduce): Delete analyze_loop_iterations call. Only call
4080 insert_bct if flag_branch_count_on_reg set.
4081 (analyze_loop_iterations): Delete.
4082 (insert_bct): Remove iteration count calculation. Move checks for
4083 viable BCT optimization to here. Obtain iteration count from
4084 loop_iterations and correct for unrolling. Check for enough
4085 iteration to be beneficial. Comment out runtime iteration count
4087 (insert_bct): Print iteration count in dump file. Remove
4088 loop_var_mode and use word_mode directly.
4090 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4091 * rs6000.c (rs6000_override_options): Use it.
4092 (optimization_options): Enable use of flag_branch_on_count_reg.
4093 * rs6000.md (define_function_unit): Describe 604e.
4095 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4097 * loop.c (move_movables): Corrected threshold calculation for
4098 moved_once registers.
4100 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4102 * loop.c (combine_givs_p): Fix test for identical givs.
4104 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4106 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4107 call abort if the function is already defined.
4109 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4111 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4112 truncation is not a no-op.
4114 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4116 * version.c: Bump for snapshot.
4118 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4120 * version.c: Bump for snapshot.
4122 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4124 * expmed.c (expand_divmod): Don't widen for computing remainder
4125 if we seem to have a divmod pattern for needed mode.
4127 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4129 * cpplib.c (macroexpand): Correct off-by-one error in handling
4132 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4134 * combine.c (expand_field_assignment): Don't do bitwise operations
4135 on MODE_FLOAT; pun to MODE_INT if possible.
4137 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4138 scott snyder <snyder@d0sgif.fnal.gov>
4140 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4141 linker. Recognize mangled names in quotes.
4143 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4145 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4146 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4147 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4148 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4150 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4152 * function.c (purge_addressof_1): If trying to take a sub-word
4153 integral piece of a floating point mode, put it on the stack.
4155 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4157 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4159 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4161 * PROJECTS: Remove template friends.
4163 * collect2.c (sort_ids): Remove unused variable.
4165 * tm.texi (MATH_LIBRARY): Document.
4166 (NEED_MATH_LIBRARY): Remove.
4168 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4169 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4171 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4173 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4174 last_end to 0x7fffffff.
4176 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4178 * function.c (purge_addressof_1): Do not perform endianness
4179 corrections on bitpos, who we call will do it for us.
4181 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4183 * h8300.c (WORD_REG_USED): Fix typo.
4184 (initial_offset): Use WORD_REG_USED.
4186 * h8300.c (handle_pragma): Fix typo.
4188 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4190 * caller-save.c (insert_save_restore): Break this function up
4191 into new functions insert_restore, insert_save and insert_one_insn.
4192 All callers changed.
4193 (insert_restore): New function, mostly broken out of
4194 insert_save_restore.
4195 (insert_save): Likewise.
4196 (insert_one_insn): Likewise.
4197 (restore_referenced_regs): New argument BLOCK. All callers changed.
4198 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4199 in this function, do it in insert_one_insn instead.
4201 * reload1.c (reload): Break out some more pieces into separate
4203 (dump_needs): New function, broken out of reload.
4204 (set_initial_elim_offsets): Likewise.
4205 (init_elim_table): Likewise.
4206 (update_eliminables): Likewise.
4208 * global.c (global_alloc): Delete code to manage the scratch_list.
4209 * local-alloc.c (qty_scratch_rtx): Delete.
4210 (scratch_block): Delete.
4211 (scratch_list): Delete.
4212 (scratch_list_length): Delete.
4213 (scratch_index): Delete.
4214 (alloc_qty_for_scratch): Delete.
4215 (local-alloc): Update initialization of max_qty.
4216 Delete code to manage the scratch list.
4217 Delete code to allocate/initialize qty_scratch_rtx.
4218 (block_alloc): Don't allocate quantities for scratches.
4219 Delete code to manage the scratch list.
4220 * regs.h (scratch_list): Delete declaration.
4221 (scratch_block): Delete declaration.
4222 (scratch_list_length): Delete declaration.
4223 * reload1.c (reload): Delete code to manage the scratch list.
4224 (spill_hard_reg): Likewise.
4225 (mark_scratch_live): Delete.
4227 * recog.c (alter_subreg): Delete declaration.
4229 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4231 * Makefile.in (cccp.o): Fix typo in last patch.
4233 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4235 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4236 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4238 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4240 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4241 NULL_RTX as an argument.
4243 * Makefile.in (unlibsubdir): Define.
4244 (DRIVER_DEFINES): Use unlibsubdir.
4245 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4246 (stmp-fixinc): Similarly.
4248 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4250 * regmove.c (regmove_optimize): Add variable old_max_uid.
4251 At the end of the function, update basic_block_end.
4253 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4255 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4256 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4259 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4261 * config/arm/arm.c: Improve interworking support.
4263 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4265 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4266 copied from reload_out[r] .
4268 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4270 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4271 with more than three size ranges.
4273 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4275 * rtl.c (mode_name): Add a null string at the end of the array.
4276 (mode_wider_mode): Change type to unsigned char.
4277 (mode_mask_array): New variable.
4278 (init_rtl): Update for mode_wider_mode type change.
4280 * rtl.h (mode_wider_mode): Change type to unsigned char.
4281 (mode_mask_array): Declare.
4282 (GET_MODE_MASK): Use mode_mask_array.
4284 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4286 * calls.c (expand_call) : Encapsulate code into
4287 copy_blkmode_from_reg.
4288 * expr.c (copy_blkmode_from_reg): New function.
4289 * expr.h (copy_blkmode_from_reg): New function.
4290 * integrate.c (function_cannot_inline_p): We can inline
4292 (expand_inline_function): Use copy_blkmode_from_reg
4293 if needed. Avoid creating BLKmode REGs.
4294 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4297 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4299 * config/v850/v850.c: Add function prototypes.
4300 Add support for v850 special data areas.
4302 * config/v850/v850.h: Add support for v850 special data areas.
4304 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4305 HANDLE_PRAGMA_PACK_PUSH_POP.
4306 (push_alignment): New function: Cache an alignment requested
4307 by a #pragma pack(push,<n>).
4308 (pop_alignment): New function: Pop an alignment from the
4310 (insert_pack_attributes): New function: Generate __packed__
4311 and __aligned__ attributes for new decls whilst a #pragma pack
4313 (add_weak): New function: Cache a #pragma weak directive.
4314 (handle_pragma_token): Document calling conventions. Add
4315 support for #pragma pack(push,<n>) and #pragma pack (pop).
4317 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
4318 are defined enable HANDLE_PRAGMA_PACK.
4319 Move 'struct weak_syms' here (from varasm.c).
4320 Add pragma states for push and pop pragmas.
4322 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
4325 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
4326 HANDLE_GENERIC_PRAGMAS.
4328 * varasm.c: Move definition of 'struct weak_syms' into
4330 (handle_pragma_weak): Deleted.
4332 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4334 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4336 * c-decl.c (start_function): Add invocation of
4337 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
4339 * tm.texi: Remove description of non-existant macro
4340 SET_DEFAULT_SECTION_NAME.
4342 (HANDLE_SYSV_PRAGMA): Document.
4343 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
4345 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
4347 * config.sub: Recognize i[34567]86-pc-udk as new target.
4348 * configure.in: Likewise.
4349 * config/i386/t-udk: New file.
4350 * config/i386/udk.h: New file.
4352 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
4354 * reorg.c (check_annul_list_true_false): Remove unused variables.
4355 (steal_delay_list_from_target): Add missing "used_annul" variable.
4356 (try_merge_delay_insns): Close out half formed comment.
4358 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4360 * cpplib.c (macroexpand): If arg->raw_before or
4361 arg->raw_after, remove any no-reexpansion escape at the
4362 beginning of the pasted token. Correct handling of whitespace
4363 markers and no-reexpand markers at the end if arg->raw_after.
4365 * toplev.c (documented_lang_options): Recognize -include,
4366 -imacros, -iwithprefix, -iwithprefixbefore.
4367 * cpplib.c (cpp_start_read): Process -imacros and -include
4368 switches at the same time and in command-line order, after
4369 initializing the dependency-output code. Emit properly nested
4370 #line directives for them. Emit a #line for the main file
4371 before processing these switches, and don't do it again
4374 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
4376 * function.c (purge_addressof_1): Use bitfield manipulation
4377 routines to handle mem mode < reg mode.
4379 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4381 * reorg.c (try_merge_delay_insns): Account for resources referenced
4382 in each instruction in INSN's delay list before trying to eliminate
4383 useless instructions. Similarly when looking at a trial insn's delay
4386 * reorg.c (check_annul_list_true_false): New function.
4387 (steal_delay_list_from_{target,fallthrough}): Call it and also
4388 refine tests for when we may annul if already filled a slot.
4389 (fill_slots_from_thread): Likewise.
4390 (delete_from_delay_slot): Return newly-created thread.
4391 (try_merge_delay_isns): Use its new return value.
4393 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
4395 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
4396 used to compute a giv or as some other non-counting use.
4398 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4400 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4401 * local-alloc.c (find_free_reg): Use it.
4402 * global.c (find_reg): Likewise.
4403 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
4405 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
4406 * caller-save.c (init_caller_save): Use it.
4407 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
4409 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4411 * configure.in: Add --enable-cpplib option which uses cpplib
4412 for cpp, but doesn't link cpplib into cc1. Make help text
4413 capitalization consistent.
4414 * configure: Rebuilt.
4416 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
4418 * function.c (gen_mem_addressof): If the address REG is
4419 REG_USERVAR_P make the new REG be so also.
4420 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
4421 in an attempt to clarify slightly.
4423 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
4425 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
4426 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
4428 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
4430 * toplev.c: Fix last patch.
4432 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
4434 * loop.c (get_condition): Fix typo in May 9 change.
4436 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4438 * invoke.texi (-fexceptions): Merge 2 different descriptions.
4440 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4442 * toplev.c (documented_lang_options): Spelling corrections.
4444 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4446 * configure.in: new flags --with-ld and --with-as, equivalent
4447 to setting LD and AS environment variables. Test whether
4448 specified arguments are GNU commands, and report them with
4449 checking messages. Use the specified AS for configure
4452 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
4454 * gcc.c (find_a_file): when looking for `as' and `ld', return
4455 the DEFAULT program if it exists
4456 * collect2.c (main): use DEFAULT_LINKER if it exists
4458 * gcc.c (find_a_file): the test for existence of a full
4459 pathname was reversed
4461 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
4463 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
4464 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
4466 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
4468 * tree.h (TYPE_BINFO): Document.
4470 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
4472 * i386-coff.h (dbxcoff.h): Added.
4474 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
4476 * toplev.c: fix bad patch around flag_data_sections.
4478 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
4480 * reload1.c (reload): Use reload_address_index_reg_class and
4481 reload_address_base_reg_class when setting
4482 caller_save_spill_class. (Patch generated by Jim Wilson:
4485 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
4487 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
4488 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
4489 * expr.c (store_field): Add alias_set parameter. Set the
4490 MEM_ALIAS_SET accordingly, if the target is a MEM.
4491 (expand_assignment): Use it.
4492 (store_constructor_field): Pass 0.
4493 (expand_expr): Likewise.
4495 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
4497 * flags.h: Add flag_data_sections.
4498 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
4499 (compile_file): Error if flag_data_sections not supported.
4500 * varasm.c (assemble_variable): Handle flag_data_sections.
4501 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
4502 * config/mips/elf.h: Likewise.
4503 * config/mips/elf64.h: Likewise.
4504 * invoke.texi: Describe -fdata-sections.
4506 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
4508 * invoke.texi (-ffloat-store): Clarify that this option
4509 does not affect intermediate results -- only variables.
4511 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
4513 * cpp.texi: Update for Fortran usage from Craig.
4515 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4517 * rs6000.c (function_arg_boundary): Revert accidental change on
4520 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
4522 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
4523 (output_mi_thunk): Declare.
4525 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
4526 (output_function_profiler): Use r12 for temp, instead of r11 so
4527 that we preserve the static chain register.
4529 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
4531 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
4533 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4535 * sh.c (gen_shl_sext): Fix case 5.
4537 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4539 * reload1.c (reload_combine): Re-add line that got accidentally lost.
4541 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4543 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
4544 accessing variables until they are initialized via va_arg().
4546 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4548 * reload1.c (reload_combine): Initialize set before using.
4550 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
4552 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
4555 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
4557 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
4558 operand3 with mask before using it. Patch provided by Jim Wilson.
4560 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4562 * config/sparc/sparc.c (function_value): Perform the equivalent of
4563 PROMOTE_MODE for ARCH64.
4564 (eligible_for_epilogue_delay): Allow DImode operations in delay
4565 slot of a return for ARCH64.
4567 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4569 * sh.md (sqrtsf2): Fix mode of sqrt.
4571 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4573 * reload1.c (choose_reload_regs): Also try inheritance when
4574 reload_in is a stack slot of a pseudo, even if we already got a
4577 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4579 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
4580 (reload_cse_regs): New function body: call reload_cse_regs_1,
4581 reload_combine, reload_cse_move2add.
4582 When doing expensive_optimizations, call reload_cse_regs_1 a
4583 second time after reload_cse_move2add.
4584 (reload_combine, reload_combine_note_store): New functions.
4585 (reload_combine_note_use): New function.
4586 (reload_cse_move2add, move2add_note_store): New functions.
4588 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4590 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
4591 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
4593 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
4594 more than 3 such reloads.
4596 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
4597 RELOAD_FOR_X_ADDR_ADDR reload.
4599 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4601 * expr.c (store_constructor): When initializing a field that is smaller
4602 than a word, at the start of a word, try to widen it to a full word.
4604 * cse.c (cse_insn): When we are about to change a register,
4605 remove any invalid references to it.
4607 (remove_invalid_subreg_refs): New function.
4608 (mention_regs): Special treatment for SUBREGs.
4609 (insert_regs): Don't strip SUBREG for call to mention_regs.
4610 Check if reg_tick needs to be bumped up before that call.
4611 (lookup_as_function): Try to match known word_mode constants when
4612 looking for a norrower constant.
4613 (canon_hash): Special treatment for SUBREGs.
4615 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4617 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
4618 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
4619 defined, emit libcall to __enable_execute_stack. Also fix opcodes
4620 and offsets in actual stack trampoline code so they match the
4621 commentary and actually work.
4623 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4625 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
4627 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
4628 tmake_file. Set extra_parts to needed crt objects.
4629 * configure: Rebuilt.
4630 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
4631 (TARGET_DEFAULT): Set if default is v9 or ultra.
4632 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
4633 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
4634 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
4635 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
4636 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
4637 (TARGET_VERSION): Define.
4638 (MULTILIB_DEFAULT): Define.
4639 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
4640 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
4641 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
4643 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
4644 * config/sparc/sparc.c (sparc_override_options): If arch and
4645 pointer size disagree, emit diagnostic and fix it up. If
4646 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
4647 V8PLUS in 64-bit mode.
4648 * config/sparc/t-linux64: New file.
4649 * config/sparc/t-sol2-64: New file.
4650 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
4651 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
4652 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
4653 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
4654 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
4655 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
4657 (STARTFILE_SPEC): Set approriately based upon those.
4658 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
4659 disposition of DEFAULT_ARCH32_P.
4660 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
4661 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
4662 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
4663 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
4664 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
4666 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
4668 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
4670 * rtl.h (init_virtual_regs): New function.
4671 * emit-rtl.c (init_virtual_regs): Define.
4672 (insn_emit): Use it.
4673 * integrate.c (save_for_inline_copying): Likewise.
4675 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
4677 * config/arm/thumb.h: The following patches were made by Jim Wilson:
4678 (enum reg_class): Add NONARG_LO_REGS support.
4679 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4680 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
4681 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
4682 completes. Re-enable HImode REG+OFFSET addresses.
4683 (LEGITIMIZE_RELOAD_ADDRESS): Define.
4685 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
4687 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
4689 * alpha.c (get_aligned_mem): Revert Sep 20 change.
4690 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
4691 (alpha_align_insns): Properly calculate initial offset wrt max_align.
4693 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
4695 * arm.c (find_barrier): Revert change of Apr 23. Handle table
4696 jumps as a single entity, taking into account the size of the
4699 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4701 * tree.def (SWITCH_EXPR): New tree node definition.
4703 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
4705 * version.c: Bump for snapshot.
4707 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
4709 * version.c: Bump for snapshot.
4711 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
4713 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
4716 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
4718 * Revert this patch.
4719 * reload.c (find_reloads): Do not replace a pseudo with
4720 (MEM (reg_equiv_addr)) in the initializing insn for the
4723 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
4725 * final.c (final_scan_insn): Disable tracking CC across branches.
4727 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4729 * expr.h (eh_rtime_match_libfunc): New extern declaration.
4730 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
4731 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
4732 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
4733 NULL. Only include <stdio.h> if inhibit_libc is not defined.
4735 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
4737 * toplev.c (rest_of_compilation): Skip compiling anything with
4738 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
4740 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
4742 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
4743 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
4744 use in_libcall_block.
4745 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
4746 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
4749 Mon Sep 21 14:02:23 1998
4751 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
4752 typo in no-fancy-math-387 description.
4754 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
4756 * version.c: Bump for snapshot.
4758 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
4760 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
4762 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
4764 * i386.h: (TARGET_SWITCHES) Add description fields for flags
4765 documented in install.texi.
4766 (TARGET_OPTIONS) Likewise.
4768 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
4770 * version.c: Bump for snapshot.
4772 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
4774 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
4775 * cccp.c (main): Likewise.
4777 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
4778 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
4781 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
4783 * Makefile.in (LIBS): Link in libiberty.a.
4784 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
4786 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
4788 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
4789 it to update bb boundaries. Update caller.
4790 * function.c (reposition_prologue_and_epilogue_notes): Update
4791 bb boundaries wrt the moved note.
4793 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
4795 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
4797 * configure: Regenerate.
4799 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
4801 * alpha.c (alpha_sr_alias_set): New variable.
4802 (override_options): Set it.
4803 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
4804 (mode_mask_operand): Fix signed-unsigned comparision warning.
4805 (alpha_expand_block_move): Likewise.
4806 (print_operand): Likewise.
4807 (get_aligned_mem): Use change_address.
4808 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
4809 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
4810 (alphaev4_next_nop, alphaev5_next_nop): New functions.
4811 (alpha_align_insns): Remade from old alphaev5_align_insns
4812 to handle multiple processors.
4813 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
4814 * output.h (label_to_alignment): Prototype.
4816 * tree.c (new_alias_set): New function.
4817 * tree.h (new_alias_set): Declare it.
4818 * c-common.c (c_get_alias_set): Use it.
4820 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
4822 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
4823 to an ABS expr, convert an unsigned input to signed.
4825 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
4827 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
4829 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4831 * configure.in: Add support for c4x targets.
4832 * configure: Rebuilt.
4834 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
4836 * combine.c (distribute_notes): If an insn is a cc0 user, only
4837 delete it if we can also delete the cc0 setter.
4839 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
4841 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
4842 (invert_truthvalue): Enable truthvalue inversion for
4843 floating-point operands if -ffast-math.
4845 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
4847 * configure.in: Disable collect2 for nextstep. Instead use
4849 * configure: Rebuilt.
4850 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
4851 (ENDFILE_SPEC): Define.
4852 (OBJECT_FORMAT_MACHO): Define.
4853 (EH_FRAME_SECTION_ASM_OP): Define.
4854 * crtstuff.c: Handle MACHO.
4856 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
4858 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
4860 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
4862 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
4863 (_fpadd_parts): Get sign right for 0.
4865 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4867 * ginclude/varargs.h: Add support for C4x target.
4868 * ginclude/stdargs.h: Likewise.
4870 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
4872 * alpha.c (alpha_return_addr): SET should be VOIDmode.
4873 (alpha_emit_set_long_const): Rewrite to be callable from reload
4875 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
4876 * alpha.md (movdi): Likewise.
4878 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
4880 * arm.c (add_constant): New parameter address_only, change caller.
4881 Set it non-zero if taking the address of an item in the pool.
4882 (arm_reorg): Handle cases where we need the address of an item in
4885 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
4887 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
4888 memory addresses that are not in standard canonical form.
4890 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
4892 * README.C4X: New file with information about the c4x ports.
4893 * ginclude/va-c4x.h: New file for c4x varargs support.
4894 * config/c4x: New directory with c4x port files.
4896 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
4898 * reload.c (find_reloads): Do not replace a pseudo with
4899 (MEM (reg_equiv_addr)) in the initializing insn for the
4902 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
4904 * toplev.c (rest_of_compilation): Set bct_p on second call to
4906 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
4908 (strength_reduce): Only call analyze_loop_iterations and
4909 insert_bct if bct_p set.
4910 (check_dbra_loop): Fix typo.
4911 (insert_bct): Use word_mode instead of SImode.
4912 (instrument_loop_bct): Likewise. Do not delete iteration count
4913 condition code generation insn. Initialize iteration count before
4915 * rtl.h (loop_optimize): Update prototype.
4917 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
4918 not doubleword aligned.
4920 * rs6000.c (optimization_options): New function.
4921 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
4922 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
4923 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
4924 first; cr1 can be used for FP record condition insns.
4926 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
4928 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
4931 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
4934 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
4936 (block_move_call): New function: Call a library routine to copy a
4938 (m32r_expand_block_move): New function: Expand a "movstrsi"
4939 pattern into a sequence of insns.
4940 (m32r_output_block_move): New function: Expand a
4941 "movstrsi_internal" pattern into a sequence of assembler opcodes.
4942 (m32r_block_immediate_operand): New function: Return true if the
4943 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
4945 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4947 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
4949 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
4951 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4953 * regmove.c (copy_src_to_dest): Check that modes match.
4955 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
4957 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
4959 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
4961 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
4962 narrower than FLOAT_REGS.
4964 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4966 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
4968 * Makefile.in (old_gxx_include_dir): removed
4970 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
4972 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
4975 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
4976 (sh_handle_pragma): Change function arguments to match new
4977 specification for HANDLE_PRAGMA.
4979 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4981 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
4983 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
4984 When generating output, initialize missing struct member to zero.
4986 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4988 * regmove.c (copy_src_to_dest): Don't copy if that requires
4989 (a) new register(s).
4991 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4993 * global.c (reg_allocno): Now static.
4994 * reload1.c (reg_allocno): Delete declaration.
4995 (order_regs_for_reload): Take no arguments. Don't treat regs
4996 allocated by global differently than those allocated by local-alloc.
4998 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5000 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5001 condition, fix format strings.
5002 (output_function_epilogue): Likewise.
5004 * m68k/m68k.c: Don't include <stdlib.h> directly.
5006 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5008 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5009 mem_first_set, mem_last_set; because 0 can be a CUID.
5010 (oprs_unchanged_p): Use new definition.
5011 (record_last_reg_set_info): Likewise.
5012 (record_last_mem_set_info): Likewise.
5013 (compute_hash_table): Likewise.
5015 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5017 * rs6000.c (output_epilogue): Handle Chill.
5019 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5020 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5022 * combine.c (make_extraction): If no mode is specified for
5023 an operand of insv, extv, or extzv, default it to word_mode.
5024 (simplify_comparison): Similarly.
5025 * expmed.c (store_bit_field): Similarly.
5026 (extract_bit_field): Similarly.
5027 * function.c (fixup_var_regs_1): Similarly.
5028 * recog.c (validate_replace_rtx_1): Similarly.
5029 * mips.md (extv, extzv, insv expanders): Default modes for most
5030 operands. Handle TARGET_64BIT.
5031 (movdi_uld, movdi_usd): New patterns.
5033 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5034 equivalent memory location unless we have been provided a scratch
5035 register. Similarly do not call find_replacement unless a
5036 scratch register has been provided.
5038 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5040 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5043 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5045 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5046 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5047 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5048 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5049 * c-decl.c (init_decl_processing): Update accordingly.
5050 * expr.c (expand_builtin): Likewise.
5052 * rtl.h (global_rtl): Add cfa entry.
5053 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5054 (LAST_VIRTUAL_REGISTER): Update.
5055 * emit-rtl.c (global_rtl): Add cfa entry.
5056 (init_emit): Initialize it.
5057 * function.c (cfa_offset): New.
5058 (instantiate_virtual_regs): Initialize it.
5059 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5060 (expand_function_end): Call expand_eh_return.
5061 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5063 * except.c (current_function_eh_stub_label): Kill.
5064 (current_function_eh_old_stub_label): Likwise; update all references.
5065 (expand_builtin_set_return_addr_reg): Kill.
5066 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5067 (expand_builtin_set_eh_regs): Kill.
5068 (eh_regs): Produce a third reg for the actual handler address.
5069 (eh_return_context, eh_return_stack_adjust): New.
5070 (eh_return_handler, eh_return_stub_label): New.
5071 (init_eh_for_function): Initialize them.
5072 (expand_builtin_eh_return, expand_eh_return): New.
5073 * except.h: Update prototypes.
5074 * flow.c (find_basic_blocks_1): Update references to the stub label.
5075 * function.h (struct function): Kill stub label elements.
5077 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5078 register number is one that would be in the previous window.
5079 Provide a dummy definition for non-windowed targets.
5080 (get_reg_addr): New function.
5081 (get_reg, put_reg, copy_reg): Use it.
5082 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5083 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5085 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5086 (alpha_init_expanders): Initialize it.
5087 (alpha_expand_epilogue): Use it.
5088 * alpha.h: Declare it.
5089 * alpha.md (eh_epilogue): New.
5091 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5092 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5094 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5096 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5099 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5101 * except.h (struct eh_entry): Add false_label field.
5102 (end_catch_handler): Add prototype.
5103 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5104 (start_catch_handler): When using old style exceptions, issue
5105 runtime typematch code before continuing with the handler.
5106 (end_catch_handler): New function, generates label after handler
5107 if needed by older style exceptions.
5108 (expand_start_all_catch): No need to check for new style exceptions.
5109 (output_exception_table_entry): Only output the first handler label
5110 for old style exceptions.
5111 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5112 mechanism into one function, if a runtime matcher is provided.
5114 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5116 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5118 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5120 * integrate.c (copy_decl_list): Fix typo.
5122 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5124 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5127 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5129 * version.c: Bump for snapshot.
5131 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5133 * version.c: Bump for snapshot.
5135 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5137 * version.c: Bump for snapshot.
5139 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5141 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5143 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5145 * configure.in: remove usage of `!' to negate the result of a
5146 command; some common shells do not support it
5148 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5150 * configure.in: in sparc9-sol2 config, use 'if test' not
5152 * configure: Rebuilt.
5154 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5156 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5157 (CPP_CPU_DEFAULT_SPEC): Likewise.
5158 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5159 for arch64 libfuncs.
5161 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5164 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5166 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5168 * collect2.c: Don't declare `sys_siglist' here.
5169 (my_strsignal): Prototype and define new function. Use it in
5170 place of `sys_siglist' hacks.
5172 * mips_tfile.c: Likewise.
5174 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5175 (GCC_NEED_DECLARATIONS): Likewise.
5177 * system.h (strsignal): Prototype it, if necessary.
5178 (sys_siglist): Declare it, if necessary.
5180 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5182 * loop.c (move_movables): While removing insn sequences, preserve
5183 the next pointer of the most recently deleted insn when we skip
5186 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5188 * objc/config-lang.in: Do not output the name of the selected
5189 thread file when building the front-end. The Makefile for the
5190 runtime library will do this.
5192 * objc/Make-lang.in: Do not build the runtime library or install
5193 the Objective C header files. The Makefile for the runtime
5194 library will do this.
5196 * objc/Makefile.in (all.indirect): Only build the front-end.
5197 (compiler): Rename to `frontend'.
5198 (obj-runtime): Remove target.
5199 (copy-headers): Likewise.
5200 (clean): No need to remove `libobjc.a' any longer.
5202 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5204 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5205 supported with -mcpu=xxx.
5207 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5209 * flow.c (mark_set_1): Recognize multi-register structure return
5210 values in CALL insns.
5211 (mark_used_regs): Likewise.
5212 (count_reg_sets_1): Likewise.
5213 (count_reg_references): Likewise.
5214 * rtlanal.c (note_stores): Likewise.
5215 (reg_overlap_mentioned_p): Likewise.
5216 * haifa-sched.c (check_live_1): Likewise.
5217 (update_live_1): Likewise.
5218 (sched_analyze_1): Likewise.
5219 (sched_note_set): Likewise.
5220 (birthing_insn_p): Likewise.
5221 (attach_deaths): Likewise.
5223 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5226 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5228 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5230 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5232 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5234 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5236 * configure.in: Add check for GAS subsection -1 support.
5237 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5238 * configure config.in: Rebuilt.
5239 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5240 SImode is subsection -1 works, else use DImode.
5241 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5242 subsection -1 works.
5243 * config/sparc/sparc.c (sparc_output_addr_vec,
5244 sparc_output_addr_diff_vec): Use them if defined.
5246 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5248 * tree.h (DECL_ORIGIN): New macro.
5249 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5250 (copy_decl_list): Use it.
5251 (integrate_parm_decls): Likewise.
5252 (integrate_decl_tree): Likewise.
5253 * dwarf2out.c (decl_ultimate_origin): Simplify.
5254 * dwarfout.c (decl_ultimate_origin): Likewise.
5255 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5256 (pushdecl): Likewise.
5258 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5260 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5262 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5264 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5266 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5268 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5269 empty or has a single entry.
5271 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5272 before calling reg_to_stack.
5274 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5276 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5277 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5279 * c-tree.h (warn_long_long): Declare it.
5281 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5283 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5284 initialized float-int union if the value is a NaN.
5286 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5288 * c-lex.c (real_yylex): Don't warn about long long constants if
5289 we're allowing long long
5291 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5293 * except.h (current_function_eh_stub_label): Declare.
5294 (current_function_eh_old_stub_label): Declare.
5295 * function.h (struct function): New members eh_stub_label and
5297 * except.c (current_function_eh_stub_label): New variable.
5298 (current_function_eh_old_stub_label): New variable.
5299 (init_eh_for_function): Clear them.
5300 (save_eh_status): Save them.
5301 (restore_eh_status): Restore them.
5302 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5303 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5304 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5305 make an edge from the block that contains it to the block starting
5306 with the label if this label is one of the eh stub labels.
5307 If eh stub labels exist, show they are reachable from the last block
5310 * reload1.c (reload): Break out several subroutines and make some
5312 (calculate_needs_all_insns): New function, broken out of reload.
5313 (calculate_needs): Likewise.
5314 (find_reload_regs): Likewise.
5315 (find_group): Likewise.
5316 (find_tworeg_group): Likewise.
5317 (something_needs_reloads): New global variable, formerly in reload.
5318 (something_needs_elimination): Likewise.
5319 (caller_save_spill_class): Likewise.
5320 (caller_save_group_size): Likewise.
5321 (max_needs): Likewise.
5322 (group_size): Likewise.
5323 (max_groups): Likewise.
5324 (max_nongroups): Likewise.
5325 (group_mode): Likewise.
5326 (max_needs_insn): Likewise.
5327 (max_groups_insn): Likewise.
5328 (max_nongroups_insn): Likewise.
5329 (failure): Likewise.
5331 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
5333 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
5335 * loop.c (load_mems): Copy rtx for output mem.
5337 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
5339 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
5340 mips1 or mips2 either.
5342 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
5344 * pa.c (pa_reorg): New marking scheme for jumps inside switch
5346 (pa_adjust_insn_length): Update to work with new marking scheme
5347 for jumps inside switch tables.
5348 * pa.md (switch_jump): Remove pattern.
5349 (jump): Handle jumps inside jump tables.
5351 * Makefile.in (profile.o): Depend on insn-config.h
5353 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
5355 * iris6.h (DWARF2_UNWIND_INFO): Undef.
5357 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5359 Add preliminary native sparcv9 Solaris support.
5360 * configure.in: Recognize sparv9-*-solaris2*
5361 * configure: rebuilt
5362 * config.sub: Recognize sparcv9 just like sparc64.
5363 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
5364 config/sparc/sol2-cn.asm: Macroize so it can be shared between
5365 32-bit and 64-bit Solaris systems.
5366 * config/sparc/t-sol2: Assemble those with cpp.
5367 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
5368 (*TF*_LIBCALL): If ARCH64 use V9 names.
5369 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
5371 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5373 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
5374 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
5376 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
5378 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
5379 to Pmode if CASE_VECTOR_MODE is something else.
5381 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
5383 * prefix.c (update_path): Correctly handle cases where PATH is
5384 a substring of the builtin prefix, but specifies a different
5387 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
5389 * expr.c: Corrected comment about what MOVE_RATIO does.
5390 * config/alpha/alpha.h: Ditto.
5391 * config/1750a/1750a.h: Ditto.
5392 * config/clipper/clipper.h: Ditto.
5393 * config/i386/i386.h: Ditto.
5395 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
5397 * configure.in (m68k-next-nextstep3*): Use collect2.
5398 Similarly for x86 NeXT configurations.
5399 * configure: Rebuilt.
5401 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
5403 * configure.in: Don't assume srcdir is .../gcc
5404 * configure: Rebuilt.
5406 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
5408 * global.c: Update comments.
5409 (global_alloc): Assign allocation-numbers
5410 even for registers allocated by local_alloc in case
5411 they are later spilled and retry_global_alloc is called.
5412 (mark_reg_store, mark_reg_clobber,
5413 mark_reg_conflicts, mark_reg_death): Always record a
5414 conflict with a pseudo register even if it has been
5415 assigned to a hard register.
5416 (dump_conflicts): Don't list pseudo registers already assigned to
5417 a hard register as needing to be allocated, but do list their
5419 * local-alloc.c: Update comment.
5421 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
5423 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
5424 * configure: Rebuilt.
5426 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
5428 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
5430 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
5431 for all targets that set -msoft-float.
5433 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5435 * toplev.c (print_switch_values): Make static to match prototype.
5437 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
5439 * configure.in: If we are unable to find the "gnatbind" program,
5440 then do not configure the ada subdir.
5441 * configure: Rebuilt.
5443 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
5445 * version.c: Bump for snapshot.
5447 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
5449 * version.c: Bump for snapshot.
5451 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5453 * Makefile.in (toplev.o): Depend on $(EXPR_H).
5454 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
5456 * gansidecl.h: Define ATTRIBUTE_NORETURN.
5458 * genattrtab.c: Have insn-attrtab.c include toplev.h.
5460 * genextract.c: Have insn-extract.c include toplev.h.
5462 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
5464 * toplev.c: Include expr.h.
5465 (really_sorry, fancy_abort): Remove prototypes.
5466 (set_target_switch): Add argument in prototype.
5467 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
5468 (v_really_sorry): Likewise.
5469 (print_version, print_single_switch, print_switch_values): Make
5470 static and add prototype arguments.
5471 (decl_printable_name): Add prototype arguments.
5472 (lang_expand_expr_t): New typedef.
5473 (lang_expand_expr): Declare as a lang_expand_expr_t.
5474 (incomplete_decl_finalize_hook): Add prototype argument.
5475 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
5476 (botch): Likewise for variable `s'.
5477 (rest_of_type_compilation): Mark variables `type' and `toplev'
5478 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
5479 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
5480 (display_help): Make variable `i' an `unsigned long'.
5481 (main): Remove unused parameter `envp'.
5482 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
5483 Cast -1 when comparing it with a `size_t'.
5485 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
5486 prototype with ATTRIBUTE_NORETURN.
5487 (fatal_insn_not_found, fatal_insn, really_sorry,
5488 push_float_handler, pop_float_handler): Add prototypes.
5489 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
5490 (do_abort, botch): Add prototypes.
5492 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
5494 * final.c (final): If a label is reached only from a single jump,
5495 call NOTICE_UPDATE_CC on the jump and its predecessor before
5496 emitting the insn after the label.
5498 * i386.h: Add AMD K6 support.
5499 Change TARGET_* macros to use table lookup.
5500 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
5501 (ADJUST_COST): Change definition to call function in i386.c.
5502 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
5503 * i386.c: Add AMD K6 support.
5504 Add constants for feature tests used by TARGET_* macros.
5505 (split_di): If before reload, call gen_lowpart and gen_highpart.
5506 (x86_adjust_cost): New function.
5507 (put_jump_code): New function.
5508 (print_operand): New codes 'D' and 'd'.
5509 * i386.md: New insn types. New insn attribute "memory".
5510 Redefine scheduling parameters to use new types and add AMD K6
5511 support. Explicitly set type of most insns.
5512 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
5513 Pro and K6 prefer movl $1,reg to incl reg.
5514 (adddi3, subdi3): Set cc_status.
5515 (DImode shift patterns): Change label counters from HOST_WIDE_INT
5516 to int; x86 can't have more than 2^31 DImode shifts per file.
5517 (setcc): Combine all setcc patterns. Allow writing memory.
5518 Combine all jump patterns using match_operator.
5519 (*bzero): Name pattern. Emit mutliple stos instructions when that
5520 is faster than rep stos.
5521 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
5524 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
5526 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
5529 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
5531 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
5532 not whatever we're generating now.
5534 * alpha.c (set_frame_related_p, FRP): New.
5535 (alpha_expand_prologue): Mark frame related insns.
5536 (alpha_expand_epilogue): Likewise, but with a null FRP.
5537 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
5538 * alpha.md (exception_receiver): New.
5539 * alpha/crtbegin.asm (.eh_frame): New beginning.
5540 (__do_frame_setup, __do_frame_takedown): New.
5541 * alpha/crtend.asm (.eh_frame): New ending.
5542 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
5543 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
5544 (ASM_FILE_START): Don't emit .file for dwarf2.
5546 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
5547 * rtl.c (reg_note_name): Likewise.
5548 * rtl.texi (REG_NOTES): Likewise.
5549 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
5552 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
5554 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
5555 * i386.md (movsf, movdf, movxf): Validate memory address returned
5556 from force_const_mem. Kill useless REG_EQUAL setting code.
5558 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
5560 * m68k.md (zero_extendsidi2): Fix typo.
5562 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
5564 * configure.in: Removed references to the removed file
5565 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
5566 * arm*-*-netbsd* and ns32k-*-netbsd*.
5567 * config/i386/xm-netbsd.h: Removed unnecessary file.
5568 * config/m68k/xm-netbsd.h: Likewise.
5569 * config/sparc/xm-netbsd.h: Likewise.
5570 * config/mips/xm-netbsd.h: Likewise.
5572 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
5574 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
5575 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
5577 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
5578 for exact section attributions.
5580 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
5582 * i386/crtdll.h (CPP_PREDEFINES): Define.
5584 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
5586 * m68k.md (5200 movqi): Do not allow byte sized memory references
5588 * m68k.c (output_move_qimode): Do not use byte sized operations on
5591 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
5592 explicit rules for building. Similarly for alloca, vfprintf,
5593 choose-temp and mkstemp, getopt, getopt1, and obstack.
5594 (INCLUDES): Add $(srcdir)/../include.
5595 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
5596 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
5598 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
5600 * gcc.c (do_spec_1): [case 'o'] Account for
5601 lang_specific_extra_outfiles.
5602 (main): Correctly clear all slots in outfiles for
5603 lang_specific_extra_outfiles. Set input_file_number before
5604 calling lang_specific_pre_link.
5606 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
5608 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
5610 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5612 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
5614 (sparc_output_deferred_case_vectors): If no work to do, return.
5615 Fix thinko in Sept 1 change.
5617 1998-09-03 SL Baur <steve@altair.xemacs.org>
5619 * Makefile.in: add semicolon in BISON definition for portability.
5621 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
5623 * config/nextstep.c (handle_pragma): Correct name of third
5626 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
5628 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
5629 * config/m32r/m32r.h: Make register 17 be fixed.
5630 * config/m32r/m32r.c: Use SImode for cc operations.
5632 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
5634 * invoke.texi (Warning Options): Add -Wnon-template-friend
5637 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
5639 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
5641 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
5643 * rs6000.md (movsf): Disable explicit secondary-reload-like
5644 functionality if TARGET_POWERPC64.
5645 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
5648 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
5650 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
5651 and term.h from fixinc.wrap.
5653 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5655 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
5656 safe to include both string.h and strings.h together.
5657 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
5658 which headers to search for function declarations. Continue to
5659 prefer string.h over strings.h when both are not acceptable.
5661 * acconfig.h (STRING_WITH_STRINGS): Add stub.
5663 * configure.in: Call GCC_HEADER_STRING.
5665 * system.h: Test STRING_WITH_STRINGS when deciding which headers
5666 to include. Continue to prefer string.h over strings.h when both
5669 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5671 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
5672 not assume top 32-bits of symbolic addresses are zero if
5675 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
5677 * ginclude/va-alpha.h: Protect entire second portion of the
5678 file against double inclusion.
5680 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
5682 Added support for the Boehm's garbage collector.
5683 * configure.in: Handle --enable-objc-gc.
5684 * configure: Rebuilt.
5685 * Makefile.in (CHECK_TARGETS): Add check-objc.
5686 (check-objc): New rule.
5687 * objc/Make-lang.in: Build a different Objective-C library that
5688 runs with the Boehm's collector.
5689 * objc/encoding.c (objc_round_acc_size_for_types): New function.
5690 * objc/encoding.c: Correctly compute the size of compound types in
5691 the presence of bitfields. Skip the variable name of the type if
5692 any. Added support for long long.
5693 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
5694 (_F_GCINVISIBLE): New mask.
5695 * objc/gc.c: New file. Compute the type memory mask associated with
5696 a class based on the runtime information.
5697 * objc/misc.c: Added the hooks that use the Boehm's collector
5698 allocation functions.
5699 * objc/objc-act.c (build_class_template): Generate a new class
5700 member (gc_object_type) to hold the class' type memory mask.
5701 (build_shared_structure_initializer): Initialize the new member to
5703 (encode_complete_bitfield): New function. Generate the new
5705 (encode_field_decl): Generate the new encoding only for the GNU
5707 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
5709 (class_get_gc_object_type): New function to mark a pointer instance
5710 variable as a weak pointer.
5711 * objc/objc-features.texi: New file.
5712 * objc/objc.h (gc_object_type): New class member.
5713 * objc/objects.c (class_create_instance): Create a typed memory
5714 object when compiled with Boehm's collector support.
5715 * objc/sendmsg.c (__objc_init_install_dtable): Call
5716 __objc_send_initialize instead of setting the initialize flag.
5717 (__objc_send_initialize): Call __objc_generate_gc_type_description
5718 to generate the class type memory mask. Rewrite the code that
5719 sends the +initialize so that it is called only once (bug report
5720 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
5721 * testsuite/objc: New testsuite for Objective-C type encoding.
5722 * testsuite/lib/objc-torture.exp: New file.
5723 * testsuite/lib/objc.exp: New file.
5725 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
5727 * jump.c (jump_optimize): In if/then/else transformations, add
5728 another call to modified_between_p for the jump insn.
5730 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
5732 * fix-header.c (symlink): Treat like readlink.
5734 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5736 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
5739 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
5741 * config/nextstep.h: Update HANDLE_PRAGMA macro.
5742 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
5743 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
5745 * config/nextstep.c (handle_pragma): Take three arguments, as per
5746 the new HANDLE_PRAGMA macro specification.
5747 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
5748 per the new HANDLE_PRAGMA macro specification.
5749 * config/i960/i960.c (process_pragma): Take three arguments, as
5750 per the new HANDLE_PRAGMA macro specification.
5752 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
5754 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
5755 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
5756 if unknown pragmas are encountered.
5757 (handle_sysv_pragma): Interpret return code from
5758 handle_pragma_token (). Return success/failure indication rather
5759 than next unprocessed character.
5760 (pragma_getc): New function: retrieves characters from the
5761 input stream. Defined when HANDLE_PRAGMA is enabled.
5762 (pragma_ungetc): New function: replaces characters back into the
5763 input stream. Defined when HANDLE_PRAGMA is enabled.
5765 * c-pragma.c (handle_pragma_token): Return success/failure status
5768 * c-pragma.h: Change prototype of handle_pragma_token().
5770 * varasm.c: (handle_pragma_weak): Only create this function if
5771 HANDLE_PRAGMA_WEAK is defined.
5773 * c-common,c (decl_attributes): If defined call the expression
5774 contained within the INSERT_ATTRIBUTES macro before adding
5775 attributes to a decl.
5777 * tm.texi (HANDLE_PRAGMA): Document the new verion of
5778 HANDLE_PRAGMA, which takes three arguments.
5779 (INSERT_ATTRIBUTES): Document this new macro.
5781 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
5782 new INSERT_ATTRIBUTES macro.
5784 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5786 * config/sparc/sparc.md (movdf): Only generate special RTL for
5787 LABEL_REFs when PIC.
5788 (move_label_di): Remove
5789 (movdi_pic_label_ref, movdi_high_pic_label_ref,
5790 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
5791 references when PIC.
5792 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
5793 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
5794 output an .xword for all 64-bit cases.
5796 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5798 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
5799 alignment, use FUNCTION_BOUNDARY instead.
5800 (sparc_output_deferred_case_vectors): Likewise.
5802 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5804 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
5805 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
5807 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
5809 * alpha/va_list.h: New file.
5810 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
5812 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
5814 * NEWS: Add SCO Openserver and Unixware 7 notes.
5818 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
5820 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
5821 (record_constant_1): Handle RANGE_EXPR.
5823 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
5825 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
5826 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
5827 and NOTE_INSN_RANGE_END specially.
5828 (reemit_notes): Likewise.
5830 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5832 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
5833 (ultrasparc_sched_init): Remove unneeded &.
5835 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5837 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
5838 for m68020-60, to prevent the use of fintrz.
5840 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
5842 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
5844 * Makefile.in: Likewise.
5845 * configure: Regenerated.
5847 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
5849 * configure.in (gxx_include_dir): Changed to
5850 '${prefix}/include/g++'-${libstdcxx_interface}.
5851 * configure: Rebuilt.
5853 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
5855 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
5857 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
5858 *sequences* *below* which scalar moves will be used.
5860 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
5862 * collect2.c (mktemp): Delete unused declaration.
5864 * config/xm-netbsd.h: Remove unnecessary file.
5865 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
5866 file anymore, it is not needed.
5868 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
5870 * convert.c (convert_to_integer): Issue an error on conversions to
5873 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
5875 * Makefile.in: Add lang_tree_files and gencheck.h.
5876 * configure.in: Generate them.
5877 * gencheck.c: Include gencheck.h.
5879 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5881 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
5882 movdi_lo_sum_pic and movdi_high_pic and make visible.
5883 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
5884 emit these when Pmode is not SImode.
5885 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
5887 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
5889 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
5890 .linkonce directive after the first time.
5892 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
5894 * m68k.md (beq0_di): Generate correct (and more efficient) code when
5895 the clobbered operand overlaps with an input.
5896 (bne0_di): Similarly.
5898 * Makefile.in (INSTALL): Remove "--no-header" argument.
5900 * NEWS: Various updates.
5902 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5904 * config/sparc/sparc.c (arith_operand, const64_operand,
5905 const64_high_operand, arith_double_4096_operand): Mark mode as
5907 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
5909 (sparc_emit_set_const64): Remove unused variable i.
5910 (sparc_splitdi_legitimate): Likewise for addr_part.
5911 (ultra_code_from_mask): Likewise for mask.
5912 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
5913 reverse return values so it matches usage and comments.
5914 (ultra_flush_pipeline): Likewise.
5915 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
5916 this_type, and allow loads and stores of differing FP modes as
5917 they do not create a conflict.
5918 (ultra_find_type): Initialize fpmode to SFmode, fix
5919 parenthesization thinkos in large conditional.
5920 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
5921 Init free_slot_mask after ultra_cur_hist is reset, not before.
5922 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
5923 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
5924 use ultra_flush_pipeline instead, then re-init group pointer.
5925 Fix statement with no effect. If no progress made in, and no
5926 instructions scheduled at all, advance to new pipeline cycle else
5927 we get into an endless loop.
5928 (ultrasparc_adjust_cost): Remove previous arg.
5929 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
5931 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
5933 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
5934 code. Use reg_overlap_mentioned_p to detect when source and
5935 destination overlap.
5936 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
5938 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
5940 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
5941 COMPARISON_VAL, into invariant_p.
5943 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5945 * regmove.c (regclass_compatible_p): New function.
5946 (regmove_optimize): Use it.
5948 Use NREGS parameter insted of calling max_reg_num.
5950 (fixup_match_1): Don't use code = MINUS when later tieing with
5951 a hard register is likely.
5953 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5955 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
5956 COMPARISON_VAL was normalized.
5958 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
5960 * loop.c (check_dbra_loop): The loop ending comparison value
5961 must be an invariant or we can not reverse the loop.
5963 * loop.c (scan_loop): Count down from max_reg_num - 1 to
5964 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
5966 (load_mems_and_recount_loop_regs_set): Likewise.
5968 * i386.c (print_operand): Remove obsolete 'c' docs.
5970 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
5972 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
5973 * frame.c (init_object_mutex): New function.
5974 (init_object_mutex_once): Likewise.
5975 (find_fde): Call it.
5976 (__register_frame_info): Likewise.
5977 (__register_frame_info_table): Likewise.
5978 (__deregister_frame_info): Likewise.
5980 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
5982 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
5984 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5986 * loop.c (check_dbra_loop): Enable code for reversal
5987 of some loops without a known constant loop end.
5989 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
5991 * haifa-sched.c (last_clock_var): New.
5992 (schedule_block): Initialize it.
5993 (schedule_insn): Use it to fill insn modes with issue information.
5995 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
5996 Tag trapb and next insn with TImode.
5997 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
5998 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
5999 Invoke alphaev5_align_insns as appropriate.
6000 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6001 (MD_SCHED_VARIABLE_ISSUE): New.
6002 * alpha.md (attr type): Add multi.
6003 (define_asm_attributes): New.
6004 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6005 (arg_home): Likewise.
6006 (fnop, unop, realign): New.
6008 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6010 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6011 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6013 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6014 (rs6000-ibm-aix4.[12]*): Likewise.
6015 * configure: Regnerate.
6017 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6019 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6020 already contains the return address.
6022 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6024 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6025 word sized hunks when loading unaligned args into registers.
6027 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6028 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6030 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6032 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6034 * loop.c (check_dbra_loop): Add some code that would allow reversal
6035 of some loops without a known constant loop end if it were enabled.
6037 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6039 * mips.md (lshrsi3_internal2+2): Fix type-o.
6041 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6043 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6044 correctly with regards to stdio.h.
6046 * calls.c: Remove stdarg.h/varargs.h.
6049 * combine.c: Likewise.
6050 * cpperror.c: Likewise.
6051 * cpplib.c: Likewise.
6052 * cpplib.h: Likewise.
6053 * doprint.c: Likewise.
6054 * emit-rtl.c: Likewise.
6055 * final.c: Likewise.
6056 * fix-header.c: Likewise.
6058 * genattr.c: Likewise.
6059 * genattrtab.c: Likewise.
6060 * gencodes.c: Likewise.
6061 * genconfig.c: Likewise.
6062 * genemit.c: Likewise.
6063 * genextract.c: Likewise.
6064 * genflags.c: Likewise.
6065 * genopinit.c: Likewise.
6066 * genoutput.c: Likewise.
6067 * genpeep.c: Likewise.
6068 * genrecog.c: Likewise.
6069 * mips-tfile.c: Likewise.
6070 * prefix.c: Likewise.
6071 * protoize.c: Likewise.
6072 * regmove.c: Likewise.
6073 * toplev.c: Likewise.
6076 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6078 * config/sparc/sparc.c (sparc_override_options): If not
6079 TARGET_FPU, turn off TARGET_VIS.
6080 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6081 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6082 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6083 (movdi_insn_sp64): Add VIS fzero alternative.
6084 (clear_sf, clear_df): New VIS patterns.
6085 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6087 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6089 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6091 * loop.c (n_times_set, n_times_used, may_not_optimize,
6092 reg_single_usage): Convert to varrays. All uses changed.
6093 (insert_loop_mem): Return a value.
6094 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6095 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6098 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6101 * configure.in: Do not set thread_file to "irix" since no such
6104 * sparc.md (float abs/neg splits): Check reload_completed before
6105 calling alter_subreg.
6107 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6109 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6111 * config/sparc/sparc.h: Declare it.
6112 * config/sparc/sparc.md (float abs/neg splits): Use it.
6113 (all other splits): Handle SUBREGs properly where necessary.
6114 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6116 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6118 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6119 an insn on the unfilled_slots_list that has no delay slots.
6120 (fill_eager_delay_slots): Similarly.
6122 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6124 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6125 as an ordinary operand.
6127 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6129 * tree.c (valid_machine_attribute): Don't apply attributes to both
6132 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6134 * reload.c (operands_match_p): Handle rtvecs.
6136 * i386.c (legitimate_pic_address_disp_p): New.
6137 (legitimate_address_p): Use it.
6138 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6139 Handle constant pool symbols just like statics.
6140 (emit_pic_move): Use Pmode not SImode for clarity.
6141 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6142 [UNSPEC]: New, handling what we killed above.
6143 [PLUS]: Detect and abort on invalid symbol arithmetic.
6144 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6146 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6148 * alias.c: Include output.h.
6149 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6150 different if we're in a varargs function.
6151 * Makefile.in (alias.o): Depend on output.h
6153 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6155 * sh.h (GIV_SORT_CRITERION): Delete.
6157 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6159 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6160 * stupid.c (stupid_life_analysis): Ditto.
6161 * reload1.c (reload): Ditto.
6163 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6165 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6166 arith_double_4096_operand, arith_double_add_operand): New
6168 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6169 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6170 them to transform add/sub 4096 into add/sub -4096.
6172 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6174 * loop.c (scan_loop): Allocate some slop to handle pseudos
6175 generated by move_movables.
6176 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6179 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6181 * tree.def (DECL_RESULT): Correct documentation.
6183 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6185 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6186 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6187 conflicts will all RELOAD_FOR_OUTPUT reloads.
6189 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6190 loads the function result, substitute with a USE.
6192 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6194 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6195 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6196 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6197 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6198 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6199 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6201 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6202 'o' to 'm' for GPR variant constraints.
6204 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6206 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6208 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6210 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6211 when the source and destination overlap.
6213 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6214 clash with global type.
6216 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6218 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6220 * c-common.c (combine_strings): Also set TREE_READONLY.
6221 Change warn_write_strings to flag_const_strings.
6222 * c-decl.c, c-tree.h: Likewise.
6224 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6226 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6227 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6228 sequence, use SET/IOR instead so CSE can see it.
6229 * config/sparc/sparc.md (movhi_const64_special,
6230 movsi_const64_special): New patterns necessitated by that change.
6231 (movhi_high): Remove.
6232 (movhi_lo_sum): Change to match an IOR.
6233 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6234 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6235 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6236 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6237 registers are involved.
6238 (snesi_zero_extend split): Remove reload_completed test.
6239 (unnamed plus and minus zero_extend sidi splits): Add it.
6241 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6243 * extend.texi: Remove description of extension to explicit
6244 instantiation that is now endorsed by standard C++.
6246 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6248 * config/arc/arc.c (arc_initialize_pic): Remove.
6249 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6250 nothing on any platform and is invoked by no-one, it does not even
6251 appear in the documentation.
6252 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6253 * config/sparc/sparc.c (initialize_pic): Likewise.
6254 (find_addr_reg): Remove this as well, no longer referenced after
6257 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6259 * recog.c (validate_replace_rtx_group): New function.
6260 * recog.h (validate_replace_rtx_group): Declare it.
6261 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6262 the entire group of substitutions.
6264 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6266 * loop.c (load_mems): Fix initializers.
6268 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6270 * config/sparc/sparc.md (TFmode splits): Handle destination
6271 registers being referenced in the address correctly.
6273 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6274 TREE_UNSIGNED, when bitsize of type's mode is larger than
6275 HOST_BITS_PER_WIDE_INT.
6277 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6279 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6280 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6281 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6283 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6286 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6288 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6289 * h8300.h (TINY_DATA_NAME_P): Likewise.
6290 (STRIP_NAME_ENCODING): Handle '&'.
6292 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6293 register (it could be accessed via an outer SUBREG).
6294 (REG_OK_FOR_BASE_P): Likewwise.
6295 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6297 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6300 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6302 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6304 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6305 must be offsettable so the splits can be made.
6307 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6309 * config/i386/winnt.c: Include system.h, not stdio.h to get
6310 sys/param.h pulled in before rtl.h in case the system defines MIN
6313 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
6315 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
6317 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
6319 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
6321 * cpplib.c (cpp_define): Handle macros with parameters.
6323 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6325 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
6326 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
6327 and DImode 64-bit. Use llong for minimal-toc SFmode and
6328 SYMBOL_REF / LABEL_REF 64-bit.
6329 (output_function_profiler): Use llong for profiler label and ld to
6330 load 64-bit label address.
6332 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
6334 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
6337 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
6339 * version.c: Bump for snapshot.
6341 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
6343 * version.c: Bump for snapshot.
6345 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
6347 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
6349 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
6351 * tm.texi (Misc): Fix typo "teh".
6353 * tm.texi (PIC): Fix typo "PPIC".
6355 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
6356 effect when -O2 and higher.
6357 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
6359 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
6361 * regclass.c: Changed register set documentation to be consistent
6364 * final.c (final_start_function) Removed redundant test for
6367 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
6369 * rtl.h (rtx_function): New type.
6370 (for_each_rtx): New function.
6371 * rtlanal.c (for_each_rtx): Define it.
6373 * recog.c (change_t): New type.
6374 (change_objects, change_old_codes, change_locs, change_olds):
6376 (changes): New variable.
6377 (validate_change): Dynamically allocate room for more changes, if
6378 necessary. Uses changes array instead of change_objects, etc.
6379 (apply_change_group): Use changes array instead of
6380 change_objects, etc.
6382 * loop.c (loop_mem_info): New type.
6383 (loop_mems): New variable.
6384 (loop_mems_idx): Likewise.
6385 (looop_mems_allocated): Likewise.
6386 (scan_loop): Remove nregs parameter.
6387 (next_insn_in_loop): New function.
6388 (load_mems_and_recount_loop_regs_set): Likewise.
6389 (load_mems): Likewise.
6390 (insert_loop_mem): Likewise.
6391 (replace_loop_mem): Likewise.
6392 (replace_label): Likewise.
6393 (INSN_IN_RANGE_P): New macro.
6394 (loop_optimize): Don't pass max_reg_num() to scan_loop.
6395 (scan_loop): Remove nregs parameter, compute it after any new
6396 registers are created by load_mems. Use INSN_IN_RANGE_P and
6397 next_insn_in_loop rather than expanding them inline. Call
6398 load_mems to load memory into pseudos, if appropriate.
6399 (prescan_loop): Figure out whether or not there are jumps from the
6400 loop to targets other than the label immediately following the
6401 loop. Call insert_loop_mem to notice all the MEMs used in the
6402 loop, if it could be safe to pull MEMs into REGs for the duration
6404 (strength_reduce): Use next_insn_in_loop. Tweak comments.
6406 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
6408 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
6410 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6412 * config/sparc/sparc.c (finalize_pic): Check for the correct
6413 nonlocal_goto_receiver UNSPEC number.
6414 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
6415 making note of this dependency existing in sparc.c
6416 (negtf2_notv9 split): Give NEG SFmode.
6417 (negsf2): Fix insn output string.
6419 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
6421 * c-common.c (decl_attributes): Issue an error if the argument
6422 to alias is not a string.
6424 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
6426 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
6427 pending memory flush list.
6429 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
6431 (try_combine): Allow combining insns with REG_LIBCALL notes.
6433 * expr.c (emit_block_move): Do not call memcpy as a libcall
6434 instead build up a CALL_EXPR and call it like any other
6436 (clear_storage): Similarly for memset.
6438 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
6441 * Makefile.in (cplus-dem.o): Provide explicit rules for building
6444 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
6445 and REG_LIVE_LENGTH as successful substitutions are made.
6447 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6449 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
6450 statement after end of loop label.
6452 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6454 * config/sparc/sparc.c (ultra_types_avail): New variable.
6455 (ultra_build_types_avail): New function to record mask of insn
6456 types in ready list at this cycle.
6457 (ultrasparc_sched_reorder): Call it.
6458 (ultra_find_type): Use it to quicken the search. Also simplif
6459 dependency check, don't use rtx_equal_p because we know exactly
6460 what we are looking for.
6462 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
6464 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
6465 for architecture v4.
6467 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6469 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
6471 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
6472 movdf_const_intreg and helper splits): New patterns to move float
6473 constants into integer registers.
6474 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
6477 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
6480 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
6482 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
6484 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
6485 a BASE_REGS register is needed as an intermediate when copying
6486 a symbolic value into any register class other than BASE_REGS.
6488 * expr.c (move_by_pieces): No longer static. Remove prototype.
6489 * rtl.h (move_by_pieces): Add extern prototype.
6490 * mips.c (expand_block_move): Handle aligned straight line copy by
6491 calling move_by_pieces.
6493 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
6496 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
6498 * stmt.c (expand_end_loop): Tidy. Allow unconditional
6499 jumps out of the loop to be treated as part of the exit test.
6501 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6502 Jeff Law <law@cygnus.com>
6504 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
6505 * cplus-dem.c: Delete.
6507 * Makefile.in (fold-const.o): depend on $(RTL_H).
6509 * fold-const.c: Include rtl.h to get the prototype for
6510 `set_identifier_local_value'.
6512 * loop.c (express_from_1): Remove unused variable `tmp'.
6513 (combine_givs): cast the first argument of bzero to char *.
6515 * toplev.c (display_help): Remove unused variable `looking_for_start'.
6517 * c-decl.c (init_decl_processing): Remove unneeded &.
6519 * alpha.h (alpha_initialize_trampoline): Provide prototype.
6521 * except.c (set_exception_lang_code, set_exception_version_code):
6522 Change parameter from `short' to `int' to avoid using a gcc
6525 * except.h (set_exception_lang_code, set_exception_version_code):
6526 Likewise for prototypes.
6528 * flow.c (count_reg_references): Remove unused variables `regno'
6531 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
6533 * prefix.c (translate_name): Cast the result of `alloca'.
6535 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
6537 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6539 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
6541 (valid_dbcc_comparison_p): Mark mode argument as unused.
6542 (symbolic_operand): Likewise.
6543 (legitimize_pic_address): Likewise.
6544 (const_uint32_operand): Likewise.
6545 (const_sint32_operand): Likewise.
6546 * sched.c [!INSN_SCHEDULING]: Define only dummy function
6547 schedule_insns and comment out rest of file.
6549 * m68k.c (output_move_simode_const): Use subl to move a zero into an
6551 (output_move_[hq]imode): Likewise.
6553 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
6555 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
6556 * invoke.texi: Corresponding changes.
6558 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
6560 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
6562 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6564 * config/sparc/sparc.c (ultra_code_from_mask,
6565 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
6566 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
6567 ultrasparc_sched_init, ultrasparc_variable_issue,
6568 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
6569 functions to describe UltraSPARC pipeline exactly to Haifa.
6570 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
6571 as there is nothing the scheduler can do about it. Indicate that
6572 REG_DEP_OUTPUT's collide. Fixup formatting.
6573 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
6574 divide costs on Ultra for DImode.
6575 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
6577 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
6578 ieuN and add call_no_delay_slot to type list.
6579 (cti function unit): New unit for branches on UltraSPARC.
6580 (subx/addx insns): Set type to misc.
6581 (sidi zero/sign extension insns on arch64): Set type to shift.
6582 (sign_extendhidi2_insn): Set type to sload.
6584 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
6586 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
6587 (output_epilog): Use if != 0 for offset.
6588 (rs6000_fatal_bad_address): Prepare for Intl.
6589 * rs6000.h (rs6000_fatal_bad_address): Declare.
6590 * rs6000.md (movsfcc, movdfcc): Use else if.
6591 (elf_high): Use {liu|lis}.
6592 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
6593 (movsi): Use rs6000_fatal_bad_address.
6595 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
6597 * reload.c (find_equiv_reg): Reject equivalences separated
6598 by a volatile instruction.
6600 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6602 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
6604 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
6606 * alpha.md (movsicc): Fix mode mismatch.
6608 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
6610 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
6612 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
6614 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6616 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
6617 write-only modifier from operand 1 constraint.
6619 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6621 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
6622 emitting a XOR of -1 at the end, emit a NOT instead for combine's
6624 (sparc_emit_set_const64): Likewise, also when computing trailing
6625 bits do not negate low_bits and make fast_int an int.
6627 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
6629 * loop.c (add_label_notes): Do not ignore references to labels
6630 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
6631 * gcse.c (add_label_notes): Similarly.
6633 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
6635 * m68k.md (adddi_dilshr32): One of the operands must be a register.
6636 (adddi_dishl32): Similarly.
6638 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
6640 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
6641 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
6642 * cse.c (cse_basic_block): Add parens to shut up warnings.
6644 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6646 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
6647 sparc_emit_set_const64_longway, const64_is_2insns,
6648 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
6649 in 64-bit constant formation.
6650 * config/sparc/sparc.md (snesi_zero_extend split): Generate
6651 rtl for addx not subx.
6652 (define_insn movdi_const64_special): Make available even when
6653 HOST_BITS_PER_WIDE_INT is not 64.
6654 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
6655 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
6656 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
6657 instances of operand 1 inside a QI subreg.
6658 (xordi3_sp64_dbl): Remove '%' constraint for op1.
6659 (one_cmpldi2_sp64): Fix output string.
6660 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
6662 (unnamed arch64 ashift DI): Truncate shift count if greater than
6665 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6667 * expr.c (store_expr): Don't optimize away load-store pair
6668 when either source or destination have a side effect.
6670 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
6672 * genrecog.c (add_to_sequence): Fatal error if the modes of the
6673 operands of SET are incompatible.
6675 * alpha.md: Fix max and min patterns so modes of SET operands match.
6677 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
6679 * configure.in: Avoid [[ by using test and changequote.
6680 * configure: Rebuild.
6682 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6684 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
6686 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
6687 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
6688 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
6689 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
6690 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
6691 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
6692 Fix mismatching modes in SET operands.
6693 (conditional move patterns): Fix formatting.
6694 (unnamed subx arch64 pattern): Remove duplicate insn.
6696 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6698 * config/sparc/sparc.c (const64_operand, const64_high_operand):
6699 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
6700 (input_operand): Fixup test for what we accept for constant
6702 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
6704 (safe_constDI): Remove.
6705 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
6706 gen_safe_XOR64): New functions.
6707 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
6708 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
6710 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
6711 available when HOST_BITS_PER_WIDE_INT is not 64.
6712 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
6713 move before movdi_insn_sp64 pattern.
6714 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
6715 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
6716 symbolic_operand as predicate for second operand.
6717 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
6718 expander): Give set VOIDmode.
6720 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
6722 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
6724 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
6726 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
6728 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
6730 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
6732 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
6734 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
6736 * install.texi: Various SCO OpenServer tweaks.
6738 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
6740 * reload1.c (eliminate_regs_in_insn): Handle another case when
6741 eliminating the frame pointer to the hard frame pointer. Add
6742 missing ep->to_rtx check to one existing case.
6744 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
6746 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
6748 * tree.h: De-conditionalize init_priority code.
6750 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
6751 * collect2.c (NM_FLAGS): Change from -p to -n.
6753 * configure.in: Turn on collect2 for mipstx39-elf.
6754 Handle use_collect2=no properly.
6756 * c-common.c: De-conditionalize init_priority code.
6757 * collect2.c (extract_init_priority, sort_ids): New fns.
6758 (main): Call sort_ids.
6759 Move sequence_number to file scope.
6761 * configure.in: Handle --enable-init-priority.
6762 * c-common.c (attrs): Add A_INIT_PRIORITY.
6763 (init_attributes, decl_attributes): Likewise.
6764 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
6765 * tree.c (get_file_function_name_long): Split out...
6766 (get_file_function_name): ...from here.
6768 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
6770 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
6773 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
6775 * toplev.c (display_help): Add braces to shut up warnings.
6776 * tree.c (simple_cst_equal): Likewise.
6778 * fold-const.c (non_lvalue): Don't deal with null pointer
6780 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
6782 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
6783 of any size to a pointer.
6785 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
6787 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
6789 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
6791 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
6792 which will be saved.
6793 * mn10300.md (prologue insn): Only save registers which need saving.
6794 (epilogue insn): Similarly.
6796 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
6799 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
6801 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
6802 VAR_DECL's in gp addressable sections.
6804 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
6806 * sparc.c: Change return <exp> to <exp>; return; in functions
6808 * sparc.md: Add empty semicolon statement after final label in
6811 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6813 * config/sparc/sparc.md (define_insn addx_extend): Rename to
6814 addx_extend_sp64, only allow when TARGET_ARCH64.
6815 (define_insn addx_extend_sp32 and split): Version that works when
6817 (define_insn subx_extend): Likewise.
6818 (define_split adddi3 and subdi3 with zero extension): Fixup and
6819 correct bugs when not TARGET_ARCH64.
6821 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
6823 * except.c (set_exception_lang_code, set_exception_version_code):
6824 Use prototype-style definition if __STDC__, to match declaration
6827 * genemit.c: Change FAIL and DONE macros not to use loops.
6829 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
6831 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
6832 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
6834 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
6836 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
6838 * README.g77: Update from Craig.
6840 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6842 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
6844 (safe_constDI sparc_emit_set_const64_quick1,
6845 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
6846 analyze_64bit_constant, const64_is_2insns,
6847 create_simple_focus_bits): Fix some bugs when compiled on real
6849 (function_arg_record_value_3, function_arg_record_value_2,
6850 function_arg_record_value): Add fully prototyped forward decls.
6851 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
6852 to cmpsi_insn and use on both 64 and 32 bit targets.
6853 (define_insn cmpsi_insn_sp64): Remove.
6854 (define_expand zero_extendsidi2): Allow for 32-bit target too.
6855 (define_insn zero_extendsidi2_insn): Rename to
6856 zero_extendsidi2_insn_sp64.
6857 (define_insn zero_extendsidi2_insn_sp32): New pattern and
6858 assosciated forced split for it.
6860 * config/sparc/sparc.c (const64_operand, const64_high_operand):
6862 * config/sparc/sparc.h: Declare them.
6863 (PREDICATE_CODES): Add them.
6864 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
6865 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
6867 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
6869 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
6870 in v9 case as the latter makes the Solaris assembler crash.
6872 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6874 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
6875 for TFmode when !v9. We require offsettable memory addresses.
6876 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
6877 DFmode register number conversions.
6878 * config/sparc/sparc.md (define_split DFmode moves): If register
6879 is a SUBREG do alter_subreg on it before using.
6880 (define_expand movtf): Fixup comment about alignment on v9.
6881 (define_split TFmode moves): Don't use gen_{high,low}part, create
6882 explicit SUBREGs instead.
6884 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
6886 * Makefile.in (mbchar.o): Depend on mbchar.c.
6888 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6889 Richard Henderson <rth@cygnus.com>
6891 Rewrite Sparc backend for better code generation and
6892 improved sparc64 support.
6893 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
6895 * config/sparc/sysv4.h: Likewise.
6896 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
6897 move_operand, v8plus_regcmp_op, emit_move_sequence,
6898 singlemove_string, doublemove_string, mem_aligned_8,
6899 output_move_double, output_move_quad, output_fp_move_double,
6900 move_quad_direction, output_fp_move_quad, output_scc_insn):
6902 (small_int_or_double): New predicate.
6903 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
6904 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
6905 old pic_{sethi,lo_sum}_si patterns.
6906 (mem_min_alignment): New generic function to replace
6907 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
6908 available and can test for arbitrary alignments. All callers
6910 (save_regs, restore_regs, build_big_number,
6911 output_function_prologue, output_cbranch, output_return,
6912 sparc_flat_save_restore, sparc_flat_output_function_prologue,
6913 sparc_flat_output_function_epilogue): Prettify
6915 (output_function_epilogue): Likewise and add code to output
6916 deferred case vectors.
6917 (output_v9branch): Likewise, add new arg INSN and use it to tack
6918 on branch prediction settings. All callers changed.
6919 (print_operand): Likewise and output %l44 for LO_SUMs when
6921 (sparc_splitdi_legitimate): New function to make sure DImode
6922 splits can be run properly when !arch64.
6923 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
6924 Reformat example code in comments.
6925 (set_extends): Remove UNSPEC/v8plus_clear_high case.
6926 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
6927 of deferred case vectors we need to output.
6928 (sparc_defer_case_vector): Record a case vector.
6929 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
6930 sparc_output_deferred_case_vectors): New functions to output them.
6931 (sparc_emit_set_const32): New function to form 32-bit constants in
6932 registers when that requires more than one instruction.
6933 (safe_constDI, sparc_emit_set_const64_quick1,
6934 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
6935 analyze_64bit_constant, const64_is_2insns,
6936 create_simple_focus_bits, sparc_emit_set_const64): New functions
6937 which do the same for 64-bit constants when arch64.
6938 (sparc_emit_set_symbolic_const64): New function to emit address
6939 loading for all code models on v9.
6940 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
6941 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
6942 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
6943 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
6944 inaccuracies in comments, add symbolic and text_segment operands
6945 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
6946 GENERAL_REGS in these cases as a temp REG is needed to load these
6947 addresses into a register properly.
6948 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
6950 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
6951 quads are guarenteed to have 16-byte alignment.
6952 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
6953 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
6954 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
6955 deferred case vector implementation.
6956 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
6957 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
6958 Generate "internal label - label" instead of "label - 1b".
6959 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
6960 (PREDICATE_CODES): Remove sparc_operand, move_operand,
6961 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
6963 (doublemove_string, output_block_move, output_fp_move_double,
6964 output_fp_move_quad, output_move_double, output_move_quad,
6965 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
6966 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
6967 (sparc_emit_set_const32, sparc_emit_set_const64,
6968 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
6969 mem_min_alignment, small_int_or_double): Add externs.
6970 * config/sparc/sparc.md: Document the many uses of UNSPEC and
6971 UNSPEC_VOLATILE in this backend.
6972 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
6973 unary to types which execute in it.
6974 (define_function_unit ieu_shift): Rename to ieu0.
6975 (define_function_unit ieu1): New, executes compare, call, and
6976 uncond_branch type insns.
6977 (define_function_units for type fdivs, fdivd, fsqrt): These
6978 execute in the fpu multiply unit not the adder on UltraSparc.
6979 (define_expand cmpdi): Disallow TARGET_V8PLUS.
6980 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
6981 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
6982 allows the arith_double_operand predicate and rHI constraint when
6984 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
6985 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
6986 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
6987 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
6988 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
6989 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
6990 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
6991 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
6992 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
6993 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
6994 sign_extendqihi2_insn, sign_extendqisi2_insn,
6995 sign_extendqidi2_insn, sign_extendhidi2_insn,
6996 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
6997 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
6998 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
6999 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7000 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7001 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7002 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7003 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7004 smulsi3_highpart_v8plus, unnamed subreg mult,
7005 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7006 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7007 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7008 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7009 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7010 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7011 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7012 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7013 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7014 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7015 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7016 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7017 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7018 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7019 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7020 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7021 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7022 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7023 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7024 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7025 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7026 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7027 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7028 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7029 call_address_untyped_struct_value_sp32,
7030 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7031 call_value_symbolic_sp32, call_value_address_sp64,
7032 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7033 flush_register_windows, goto_handler_and_restore,
7034 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7035 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7036 return_addsi, return_di, return_adddi, return_sf, all call+jump
7037 peepholes, trap, unnamed trap insns): Prettify output strings.
7038 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7039 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7040 Likewise and force + implement splits for integer cases.
7041 (define_insn return_sf_no_fpu): Likewise and allow to match when
7042 no-fpu because of our subreg SFmode splits.
7043 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7044 zero_extendqidi2_insn, zero_extendhidi2_insn,
7045 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7046 input_operand for second operand.
7047 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7048 reg_or_0_operand for operand 2 so new splits can use it.
7049 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7050 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7052 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7053 CONST_DOUBLEs for operand 2.
7054 (define_insn move_label_di): Likewise and label distance
7055 optimization because it no longer works with new deferred case
7056 vector scheme. To be revisited.
7057 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7058 and allow reg_or_0_operand and J constraint for second operand.
7059 (define_insn jump): Set branch predict taken on V9.
7060 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7061 new deferred case vector scheme.
7062 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7063 (define_insn negdi2_sp32): Force + implement splits.
7064 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7065 one_cmplsi2_not_liveg0 respectively, and create expander of original
7066 names which emit special rtl for TARGET_LIVE_G0.
7067 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7068 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7069 gen_compare_reg, FAIL instead.
7070 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7071 values when trying to reverse condition codes, if they FAIL then
7073 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7074 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7075 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7076 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7077 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7078 set output string to # to indicate they are mandatory splits.
7079 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7080 pic_sethi_di, move_pic_label_si): Remove.
7081 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7082 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7084 (define_expand movsi_pic_label_ref, define_insn
7085 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7086 expander and insns to handle PIC label references and deferred
7088 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7090 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7091 Rewrite to not use emit_move_sequence, make use of new constant
7092 formation code, and new splits for all multi-insn cases.
7093 (define_insn movqi_insn): Remove sethi case, it can never happen.
7094 Use reg_or_zero_operand instead of const0_rtx explicit test,
7095 use input_operand instead of move_operand for source, and use
7096 general_operand now for dest.
7097 (define_insn movhi_insn): Similar but leave sethi case.
7098 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7099 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7100 movhi_lo_sum respectively, prettify output string.
7101 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7102 register when needed on TARGET_LIVE_G0.
7103 (define_insn movsi_insn): Use general_operand and input_operand
7104 for dest and src respectively. Simplify applicability test.
7105 Prettify output strings, and add clr alternative for J
7107 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7108 deprecated std and reg-reg DI moves): Remove and...
7109 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7110 implementation which uses forced splits for all non-single insn
7112 (define_split DI move cases on !arch64): New splits to handle all
7113 situations of 64-bit double register DImode on 32bit, and
7114 unaligned registers and memory addresses for all subtargets.
7115 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7117 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7118 input_operand for dest and src respectively, prettify output
7120 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7121 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7123 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7124 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7125 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7126 movtf_no_e_insn_sp64) Replace with new
7127 implementation which uses forced splits for all non-single insn
7129 (define_split DF move cases): New splits in similar vein to DI
7131 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7132 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7133 movdi_sp64_insn): Remove old v9 code model and constant loading
7135 (define_insn pic_lo_sum_di, pic_sethi_di,
7136 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7137 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7138 embmedany_sethi, embmedany_losum, embmedany_brsum,
7139 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7140 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7141 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7142 scheme, using unspecs, secondary reloads, and one to one sparc
7143 insn to rtl insn mapping for better scheduling and code gen.
7144 (define_expand reload_indi, reload_outdi): Reload helpers for
7145 MEDANY and EMBMEDANY symbol address loading cases which require a
7147 (define_expand movsicc): Remove v8plus_regcmp cases.
7148 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7149 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7150 cmp_diqi_trunc_set): New patterns used by some of the new scc
7152 (define_insn xordi3_sp64_dbl): New pattern used for constant
7153 formation when crossing from 32-bit targets.
7154 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7156 (define_insn addx, subx): Make visible and prettify.
7157 (define_insn adddi3_insn_sp32): Likewise and force split.
7158 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7159 64bit scc split usage.
7160 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7161 zero_extend, subdi3): Force and implement splits.
7163 * final.c (final_scan_insn): Don't output labels if target
7164 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7167 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7168 don't forget to walk inside SEQUENCESs too as these are what the
7169 delay slot scheduler will create.
7171 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7173 * alpha.md (extxl+1,+2): New patterns to work around
7176 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7178 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7179 caused bad assembly code to be generated.
7181 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7183 * netbsd.h: Fix typo.
7185 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7187 * config.sub: Fix typo.
7189 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7191 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7193 (Running Protoize): Typo: Change "ther" into "other".
7195 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7197 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7198 * m68k/netbsd.h: Likewise.
7199 * ns32k/netbsd.h: Likewise.
7200 * sparc/netbsd.h: Likewise.
7202 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7204 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7205 * ginclude/va-clipper.h (va_list): Likewise.
7207 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7209 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7210 load/store multiple instructions unless user overrides.
7212 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7214 * ns32k/netbsd.h: Fix typo.
7216 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7218 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7219 labels with .debugsym if no parallel insns.
7221 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7223 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7224 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7226 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7228 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7229 (AR_FOR_TARGET): Define.
7231 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7233 * dyn-string.h: New file.
7234 * dyn-string.c: Likewise.
7235 * Makefile.in (OBJS): Add dyn-string.o.
7236 (dwarf2out.o): Add dyn-string.h dependency.
7237 (dyn-string.o): List dependencies.
7238 * dwarf2out.c: Include dyn-string.h.
7239 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7240 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7241 prototype. Use dyn_string_append rather than strcat, throughout.
7242 (addr_to_string): Use dyn_string_t.
7244 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7246 Function entry/exit profiling instrumentation:
7247 * expr.h (profile_function_entry_libfunc,
7248 profile_function_exit_libfunc): Declare new variables.
7249 * optabs.c: Define them here.
7250 (init_optabs): Initialize them.
7251 * tree.h (struct tree_decl): New flag
7252 no_instrument_function_entry_exit.
7253 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7254 * c-decl.c (duplicate_decls): Merge it.
7255 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7256 (init_attributes): Use it for "no_instrument_function".
7257 (decl_attributes): Handle it, for functions that have not yet been
7258 compiled. Set decl flag.
7259 * flags.h (flag_instrument_function_entry_exit): Declare new
7261 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7262 (f_options): New option "instrument-functions".
7263 * function.h (struct function): New field instrument_entry_exit.
7264 * function.c (current_function_instrument_entry_exit): New
7266 (push_function_context_to, pop_function_context_from): Save and
7268 (expand_function_start): Set current_ variable, maybe emit return
7269 label and entry profile call.
7270 (expand_function_end): Maybe emit exit profile call.
7272 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7274 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7275 NON_QI_REG_P, pretend the register is SImode.
7277 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7279 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7280 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7281 manufacturer id for ns32k.
7282 * configure: Regenerated.
7283 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7284 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7285 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7286 * config/m68k/netbsd.h: Same.
7287 * config/ns32k/netbsd.h: Same.
7288 * config/sparc/netbsd.h: Same.
7290 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7292 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7293 or UNROLL_COMPLETELY loop that starts with a jump to its
7296 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7298 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7299 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7300 (print_operand, case 'B'): Don't fall through.
7301 (print_operand, case 'S'): Correct mask begin/end computation.
7302 Use HOST_BITS_PER_WIDE_INT.
7303 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7304 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7305 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7306 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7308 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7310 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7311 constraint from second alternative.
7313 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7315 * configure.in: Fix --without/--disable cases for local-prefix,
7316 gxx-include-dir and checking.
7318 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7320 * configure.in (enable_haifa): Set by default for sparc64 too.
7323 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7325 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
7326 * i386/winnt.c (associated_type): New fn.
7327 (i386_pe_valid_type_attribute_p): New fn.
7328 (i386_pe_check_vtable_importexport): Remove.
7329 (i386_pe_dllexport_p): Use associated_type.
7330 (i386_pe_dllimport_p): Likewise.
7332 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
7333 * i386.c (i386_valid_type_attribute_p): Also accept
7334 attributes for METHOD_TYPEs.
7336 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
7338 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
7340 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
7342 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
7344 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
7345 them from generating a new base name for each occurence of
7348 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
7350 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
7352 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
7356 * cplus-dem.c (type_kind_t): New type.
7357 (demangle_template_value_parm): Add type_kind_t parameter. Rely
7358 on this paramter, rather than demangling the type again.
7359 (demangle_integral_value): Pass tk_integral.
7360 (demangle_template_: Pass the value returned from do_type.
7361 (do_type): Return a type_kind_t. Pass tk_integral to
7362 demangle_template_value_parm for array bounds.
7363 (demangle_fund_type): Likewise.
7365 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
7367 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
7370 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
7372 * pa.c (move_operand): Accept CONSTANT_P_RTX.
7374 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
7376 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
7378 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
7381 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
7383 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
7384 (DEBUGGER_ARG_OFFSET): Likewise.
7386 * mn10300.md (movsf): Remove last change. Not needed.
7388 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
7390 * c-lex.c (yylex): Fix boundary conditions in character literal and
7391 string literal loops.
7393 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
7395 * longlong.h (count_leading_zeros): Sparclite scan instruction was
7396 being invoked incorrectly.
7398 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
7399 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
7401 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
7402 * configure.in: Added i[34567]86-*-win32
7403 * config.sub: Ditto.
7404 * configure: Rebuilt.
7406 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
7408 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
7409 the frame pointer and compiling PIC code and reload has not completed.
7411 * i386.c (output_to_reg): Add code to emulate non-popping DImode
7414 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
7416 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
7418 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7420 * Makefile.in (install-info): Only try to update the info
7421 directory file if it exists in the first place.
7423 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
7425 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
7427 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
7429 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
7430 CONST_DOUBLE source.
7432 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
7434 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
7435 strings as the insertion of USER_LABEL_PREFIX.
7436 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
7438 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
7441 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
7443 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
7444 already defined type.
7446 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
7448 * expr.c (check_max_integer_computation_mode): Allow conversions
7449 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
7450 (expand_expr): Likewise.
7452 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7454 * expr.c (expand_expr): Expand RETURN_EXPR.
7456 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
7458 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
7460 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
7462 * dwarf2out.c (output_aranges): Call stripattributes
7463 for TEXT_SECTION references.
7464 (output_line_info): Likewise.
7466 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7468 * profile.c (branch_prob): Call allocate_reg_info after outputting
7469 profile rtl in instrument_arcs.
7471 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
7473 * fixinc.irix (math.h): Install wrapper instead of copying.
7475 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7477 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
7478 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
7479 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
7480 lang_flag_0. Added documentation in the flag table.
7482 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
7484 * cccp.c (do_include): Fix vax c style include handling.
7486 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
7488 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
7490 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
7492 * fold-const.c (non_lvalue): Don't deal with null pointer
7494 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7496 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
7498 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
7499 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
7500 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
7501 (u_short_cint_operand): Same.
7502 (reg_or_cint_operand): Same.
7503 (logical_operand): Same.
7504 (input_operand): Same.
7505 (reg_or_short_operand): Use u_short_cint_operand.
7507 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
7509 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
7510 but keep the insns and splits. Adjust so when the ultimate destination
7511 is memory, use cvtql.
7513 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
7515 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
7517 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
7519 * gcc.c (do_spec): Call "error" not "warning".
7521 * configure.in: Fix minor problems with gas feature detection code.
7522 * configure: Rebuilt.
7524 * gcc.c (do_spec): Issue a warning for '%[]' usage.
7527 * gcc.c: Delete %[spec] support.
7528 (do_spec_1, case '('): Likewise.
7529 (do_spec_1, case '['): Call error.
7531 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
7533 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
7534 (CPP_SUBTARGET_SPEC): Default to empty string.
7535 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
7536 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
7537 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
7538 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
7540 * alpha/linux.h (CPP_PREDEFINES): Tidy.
7541 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
7542 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
7543 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
7544 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
7545 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
7546 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
7547 * alpha/vxworks.h: Likewise.
7549 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
7551 * mips.md (reload_outsi): Added missing REGNO call.
7552 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
7554 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
7555 another match_operator and compare the codes.
7557 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
7559 * MIPS multiply pattern fixes:
7560 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7561 Add union classes for HI, LO, or HILO plus general registers.
7562 (GENERATE_MADD): Deleted.
7563 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
7564 Add TARGET_MAD to condition.
7565 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
7566 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
7567 "*d" for accumulator, to give preference to LO initially but not
7570 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
7572 * configure.in (enable_c_mbchar): New configure option.
7573 (extra_cpp_objs): Always available now.
7575 * cexp.y (mbchar.h): #include it.
7576 (yylex): Handle Multibyte characters in character literals.
7578 * cccp.c (mbchar.h): #include it.
7579 (main): Set character set based on LANG environment variable.
7580 (rescan): Handle multibyte characters in comments.
7581 (skip_if_group): See above.
7582 (validate_else): See above.
7583 (skip_to_end_of_comment): See above.
7584 (macarg1): See above.
7585 (discard_comments): See above.
7586 (rescan): Handle multibyte characters in string and character literals.
7587 (collect_expansion): See above.
7588 (skip_quoted_string): See above.
7589 (macroexpand): See above.
7590 (macarg1): See above.
7591 (discard_comments): See above.
7592 (change_newlines): See above.
7594 * c-lex.c (mbchar.h): #include it.
7595 (GET_ENVIRONMENT): New macro.
7596 (init_lex): Set character set based on LANG environment variable.
7597 (yylex): Handle multibyte characters in character literals.
7598 (yylex): Handle multibyte characters in string literals.
7600 * Makefile.in (mbchar.o): New target.
7601 (cccp$(exeext)): @extra_cpp_objs@ is always available.
7602 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
7604 * mbchar.[ch]: New files for multibyte character handling.
7606 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7608 * jump.c (jump_optimize): When simplifying noop moves and
7609 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
7610 the PUSHes to rewrite in second loop as we did in the first.
7612 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7614 * cplus-dem.c (demangle_nested_args): Make function definition
7615 static to match the prototype.
7617 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
7619 * alloca.c: Respect USE_C_ALLOCA.
7620 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
7621 * gengenrtl.c (xmalloc): Likewise.
7623 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
7625 * loop.h (struct induction): Add no_const_addval.
7626 * loop.c (the_movables, reg_address_cost): New variables.
7627 (init_loop): Init reg_address_cost.
7628 (loop_optimize): Call end_alias_analysis.
7629 (scan_loop): Init the_movables.
7630 (record_giv): Init induction->no_const_addval.
7631 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
7632 [REG]: Rearrange loop search test to catch more cases.
7633 (general_induction_var): Return success not benefit; take an extra
7634 argument for that. Change all callers.
7635 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
7636 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
7637 [default]: Search the_movables for additional combinations.
7638 (sge_plus_constant, sge_plus): New functions.
7639 (express_from_1): New function.
7640 (express_from): Always define. Rewrite using express_from_1.
7641 (combine_givs_p): Handle more cases. Ignore address cost.
7642 (cmp_combine_givs_stats): New function.
7643 (combine_givs_used_once, combine_givs_benefit_from): New functions.
7644 (combine_givs): Rewrite to do best-fit combination.
7646 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
7647 (fold): Do a complete (A*C)+(B*C) association check.
7649 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
7651 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
7653 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
7655 * mn10300.c (MODES_TIEABLE_P): Fix typo.
7657 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
7659 * tree.c (valid_machine_attribute): Only create a new type variant if
7660 there is a decl to use it.
7662 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
7664 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
7667 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
7669 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
7672 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
7674 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
7675 Simplify tests for clearing an address register.
7676 (expand_prologue): Corresponding changes.
7678 * mn10300.md (movXX patterns): Make sure the destination is an
7679 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
7680 (logical patterns): Split into expanders + patterns
7681 (zero and sign extension patterns): Similarly.
7682 (shift patterns): Similarly.
7684 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
7686 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
7687 for the sequence, recording base values.
7689 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
7691 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
7693 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
7695 * gcc.c: Remove ANSI-C ism from --help code.
7697 * toplev.c: Support --help with USE_CPPLIB.
7699 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
7701 * configure.in: Rework gas feature code to work with symlink based
7704 * extend.texi: Clarify some issues related to local variables
7705 assigned to explicit registers.
7707 * mn10300.md (mulsi): Turn into expander + pattern.
7709 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
7712 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
7714 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
7716 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
7718 * version.c: Bump again to distinguish mainline tree from the
7721 See ChangeLog.0 for earlier changes.
7724 add-log-time-format: current-time-string
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