1 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
4 in the loop_info structure.
6 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
8 * configure.in: (arm*-*-ecos-elf): New target.
9 * configure: Regenerated.
10 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
11 * config/arm/ecos-elf.h: New file.
12 * config/arm/unknown-elf.h (TARGET_VERSION): Check
15 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
17 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
19 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
21 * version.c: Bump for snapshot.
23 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25 * loop.c (check_dbra_loop): New argument loop_info. Update fields
28 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
30 * version.c: Bump for snapshot.
32 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
34 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
35 compressed reports are ok and preferred over URLs
37 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
39 * invoke.texi (Warning Options): Soften the tone of -pedantic
41 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
43 * print-rtl.c (print_rtx): Add prototype.
45 * unroll.c (iteration_info): Make it static.
47 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
49 * alias.c (memrefs_conflict_p): A second ANDed address
50 disables the aligned address optimization.
52 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
54 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
57 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
59 * i960.h (BOOL_TYPE_SIZE): Define.
61 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
63 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
64 from old valid_parallel_operands_4.
65 (valid_parallel_operands_4): Check that operands for 4 operand
66 parallel insns are valid, excluding load/store insns.
67 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
68 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
69 valid_parallel_load_store instead of valid_parallel_operands_4.
70 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
71 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
72 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
73 *notqi_movqi_clobber): Use valid_parallel_operands_4.
74 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
75 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
76 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
78 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
80 * config/c4x/c4x.c (iteration_info): Delete extern.
82 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
84 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
86 * final.c (cleanup_subreg_operands): Delete some unused code.
88 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
89 (struct insn_alternative): New structure definition.
90 (recog_op_alt): Declare variable.
91 (preprocess_constraints): Declare function.
92 * recog.c (recog_op_alt): New variable.
93 (extract_insn): Verify number of alternatives is in range.
94 (preprocess_constraints): New function.
95 * reg-stack.c: Include recog.h.
96 (constrain_asm_operands): Delete.
97 (get_asm_operand_lengths): Delete.
98 (get_asm_operand_n_inputs): New function.
99 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
100 N_OUTPUTS args. All callers changed.
101 Compute number of inputs and outputs here by calling
102 get_asm_operand_n_inputs.
103 Instead of constrain_asm_operands, call extract_insn,
104 constrain_operands and preprocess_constaints. Use information
105 computed by these functions throughout.
106 (record_reg_life): Delete code that is unused due to changes in
108 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
109 N_INPUTS and N_OUTPUTS args. All callers changed.
110 Similar changes as in record_asm_reg_life.
111 (subst_stack_regs): Move n_operands declaration into the if statement
113 Delete code that is unused due to changes in subst_asm_stack_regs.
114 * stmt.c (expand_asm_operands): Verify number of alternatives is in
116 * Makefile.in (reg-stack.o): Depend on recog.h.
118 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
120 * except.c (set_exception_version_code): Argument is an "int".
122 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
124 * configure.in (mipsel-*-linux*): New target.
125 * mips/linux.h: New file, based on other Linux targets.
127 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
129 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
130 runs in the context of the deleter, not the deletee, so we must
131 use taskVarGet to find the correct memory to free.
132 (__gthread_key_create): Initialize the task
133 variable subsystem so that the task variable is still active when
134 the delete hook is run.
136 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
138 * pdp11.h: Use optimize_size for space optimizations.
140 * pdp11.md: Likewise.
142 * pdp11.h (TARGET_40_PLUS): Fix typo.
144 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
146 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
149 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
151 * alias.c (addr_side_effect_eval): New function.
152 (memrefs_conflict_p): Use it.
153 * rtl.h (addr_side_effect_eval): Prototype it.
155 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
157 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
159 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
161 * reload.c (find_reloads): When force const to memory, put result
162 in substed_operand not *recog_operand_loc.
164 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
166 * c-lex.c: Fix indentation from last patch.
167 Remove trailing whitespace.
170 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
172 * flow.c (delete_block): Call set_last_insn after we have reset
173 NEXT_INSN (kept_tail).
175 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
177 * mips.md (trap_if): Use "$0" for the value zero.
179 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
180 Stephen L Moshier <moshier@world.std.com>
181 Richard Henderson <rth@cygnus.com>
183 * c-common.c (declare_function_name): Declare predefinied variable
186 * c-decl.c (flag_isoc9x): Set to 1 by default.
187 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
188 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
190 * c-parse.in: Allow constructors in ISO C 9x.
191 Rewrite designator list handling.
192 Allow [*] parameters.
193 Don't warn about comma at end of enum definition for ISO C 9x.
195 * cccp.c (c9x): New variable.
196 (rest_extension): New variable.
197 (print_help): Document new -std= option.
198 (main): Recognize -std= option. Set c9x appropriately.
199 (create_definition): Recognize ISO C 9x vararg macros.
201 * gcc.c (default_compilers): Adjust specs for -std options.
202 (option_map): Add --std.
203 (display_help): Document -std.
205 * toplev.c (documented_lang_options): Add -std and remove
208 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
209 or REAL_VALUE_HTOF based on base of the constants.
210 * fold-const.c (real_hex_to_f): New function. Replacement function
211 for hex FP conversion if REAL_ARITHMETIC is not defined.
212 * real.c (asctoeg): Add handling of hex FP constants.
213 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
216 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
218 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
219 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
220 expansion. Use hi/lo as destination register.
222 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
223 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
224 Avoid as macro expansion. Use hi/lo as destination register.
226 * mips.h (MASK_CHECK_RANGE_DIV): New.
227 (MASK_NO_CHECK_ZERO_DIV): New.
228 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
229 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
230 return address for leaf functions out of r31 to support
231 builtin_return_address.
233 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
235 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
236 NEXT_INSN(x) to check insn x.
238 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
240 * flow.c (delete_block): Call set_last_insn if we end up deleting the
241 last insn in the rtl chain.
243 * reload1.c (reload): Do not set reload_completed or split insns
245 * toplev.c (rest_of_compilation): Set reload_completed after
246 reload returns. Split insns after reload_cse has run.
248 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
250 * final.c (final_scan_insn): Abort if block_depth falls below 0.
252 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
254 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
256 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
258 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
259 use of user-label_prefix.
261 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
263 * reload1.c (emit_reload_insns): Clear spill_reg_store
264 when doing a new non-inherited reload from the same pseudo.
266 * local-alloc.c (function_invariant_p): New function.
267 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
268 to decide if an equivalence should be recorded.
269 * reload1.c (num_eliminable_invariants): New static variable.
270 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
271 to decide if an equivalence should be recorded.
273 (calculate_needs_all_insns): Skip insns that only set an equivalence.
274 Take num_eliminable_invariants into account when deciding
275 if register elimination should be done.
276 (reload_as_needed): Take num_eliminable_invariants into account
277 when deciding if register elimination should be done.
278 (eliminate_regs): Handle non-constant reg_equiv_constant.
279 * rtl.h (function_invariant_p): Declare.
281 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
283 * version.c: Bump for snapshot.
285 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
287 * version.c: Bump for snapshot.
289 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
291 * except.c (add_new_handler): Complain about additional handlers
292 after one that catches everything.
294 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
296 * configure.in (alpha*-*-netbsd): Fix typo.
297 * configure: Rebuilt.
299 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
301 * system.h: Include libiberty.h.
303 * c-aux-info.c: Remove prototypes for concat/concat3. Change
304 function `concat' from fixed parameters to variable parameters,
305 as is done in libiberty. All callers of concat/concat3
306 changed to use the new `concat' with variable args.
308 * cccp.c: Remove things made redundant by libiberty.h and/or
309 conform to libiberty standards.
311 * collect2.c: Likewise.
312 * config/1750a/1750a.h: Likewise.
313 * cppalloc.c: Likewise.
314 * cppexp.c: Likewise.
315 * cppfiles.c: Likewise.
316 * cpphash.c: Likewise.
317 * cpplib.c: Likewise.
318 * dyn-string.c: Likewise.
319 * fix-header.c: Likewise.
322 * genattr.c: Likewise.
323 * genattrtab.c: Likewise.
324 * gencheck.c: Likewise.
325 * gencodes.c: Likewise.
326 * genconfig.c: Likewise.
327 * genemit.c: Likewise.
328 * genextract.c: Likewise.
329 * genflags.c: Likewise.
330 * gengenrtl.c: Likewise.
331 * genopinit.c: Likewise.
332 * genoutput.c: Likewise.
333 * genpeep.c: Likewise.
334 * genrecog.c: Likewise.
335 * getpwd.c: Likewise.
336 * halfpic.c: Likewise.
338 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
339 in NEED_DECLARATION_* macros.
341 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
342 conform to libiberty standards.
343 (fatal): Fix const-ification of variable `format' in
344 !ANSI_PROTOTYPES case.
346 * prefix.c: Remove things made redundant by libiberty.h and/or
347 conform to libiberty standards.
349 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
350 conflicting with function `spaces' from libiberty.
352 * profile.c: Remove things made redundant by libiberty.h and/or
353 conform to libiberty standards.
354 * protoize.c: Likewise.
358 * toplev.c: Likewise.
359 * toplev.h: Likewise.
362 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
364 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
366 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
368 * README.C4X: Updated URLs.
369 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
370 (valid_parallel_operands_5): Remove unused variable.
372 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
374 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
376 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
378 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
379 which can be configured.
380 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
381 (Makefile): Pass actual LANGUAGES through the environment when
383 (cstamp-h): Likewise.
384 (config.status): Likewise.
386 * configure.in (enable_languages): Add new configuration parameter
387 "--enable-languages=lang1,lang2,...".
388 (${srcdir}/*/config-lang.in): Change handling to configure only
389 those directories, that the user might have enabled; default to
390 "all" existing languages.
391 * configure: Regenerate.
393 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
395 * rtlanal.c (regs_set_between_p): New function.
396 * rtl.h (regs_set_between_p): Prototype it.
397 * jump.c (jump_optimize): Use it instead of modified_between_p
400 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
401 Matthias Pfaller <leo@dachau.marco.de>
403 * invoke.texi (Option Summary, NS32K Options): add description
404 of NS32K specific options.
406 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
407 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
408 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
409 negdf2, absdf2): Use l instead of f since the double class and
410 float class are no longer the same.
411 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
412 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
413 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
414 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
416 (cmpsi, cmphi, cmpqi): use general_operand instead of
417 non_immediate_operand. Removes erroneous assumption that can't
419 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
420 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
422 (movstrsi, movstrsi1, movstrsi2): completely new block move
424 (...): Patterns to exploit multiply-add instructions.
425 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
426 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
427 patterns to exploit extended divide insns.
428 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
431 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
432 float return values as well as simple scalar floats.
433 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
434 support new flag to denote 32381 fpu.
435 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
436 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
438 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
439 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
440 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
441 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
442 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
443 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
444 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
445 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
446 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
447 fpu registers and special register classes for new 32381
448 instructions dotf and polyf.
449 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
451 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
452 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
454 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
455 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
456 (REGISTER_MOVE_COST): move code to register_move_cost function for
457 ease of coding and debugging.
458 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
459 LONG_FLOAT_REGO is likely spilled but not caught by default
461 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
462 instead of hard coded numbers in range check.
463 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
464 (...): Add prototypes for functions in ns32k.c but disable because
465 of problems when ns32k.h is included in machine independant files.
467 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
468 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
469 hard_regno_mode_ok, secondary_reload_class,
470 print_operand, print_operand_address): new register scheme to
471 include 32381 fpu registers and special register classes for new
472 32381 instructions dotf and polyf.
473 (gen_indexed_expr): Make static to keep namespace clean.
474 (check_reg): remove since never called.
475 (move_tail, expand_block_move): helper functions for "movstrsi"
477 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
478 Increase cost of moves which go via memory.
479 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
480 (CPP_PREDEFINES): nolonger predefine "unix".
482 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
483 Remove erroneous %$. print_operand() can work out from the rtx is
484 an immediate prefix is required.
486 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
487 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
488 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
490 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
493 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
494 Correct handling of pic operands.
495 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
496 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
497 -mrtd calling convention.
499 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
501 * gcc.c (option_map): Recognize --output-class-directory.
503 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
505 * loop.h (precondition_loop_p): Added new mode argument.
506 * unroll.c (precondition_loop_p): Likewise.
507 (approx_final_value): Function deleted and subsumed
508 into loop_iterations.
509 (loop_find_equiv_value): New function.
510 (loop_iterations): Use loop_find_equiv_value to find increments
511 too large to be immediate constants. Also use it to find terms
512 common to initial and final iteration values that can be removed.
514 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
516 * loop.h (struct loop_info): Define new structure.
517 (precondition_loop_p): Added prototype.
518 (unroll_loop): Added new argument loop_info to prototype.
519 (final_biv_value, final_giv_value): Added new argument n_iterations
521 * loop.c (strength_reduce): Declare new structure loop_iteration_info
522 and new pointer loop_info.
523 (loop_n_iterations): Replace global variable by element in
525 (check_final_value): New argument n_iterations.
526 (insert_bct): New argument loop_info.
527 (loop_unroll_factor): Replace global array by element in
529 (loop_optimize): Remove code to allocate and initialise
530 loop_unroll_factor_array.
531 * unroll.c (precondition_loop_p): No longer static since
532 used by branch on count optimization.
533 (precondition_loop_p, unroll_loop): New argument loop_info.
534 (final_biv_value, final_giv_value, find_splittable_regs): New
535 argument n_iterations.
536 (loop_iteration_var, loop_initial_value, loop_increment,
537 loop_final_value, loop_comparison_code, loop_unroll_factor):
538 Replaced global variables by loop_info structure.
539 (loop_unroll_factor): Replace global array by element in
542 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
544 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
547 * unroll.c (precondition_loop_p): Return loop_initial_value
548 for initial_value instead of loop_iteration_var.
550 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
552 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
553 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
554 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
555 to output the instruction sequences.
557 (rptb_top): Provide alternatives to use any register or memory
559 (rptb_end): Emit use of operands rather than assigning them
560 explicitly to the RS and RE registers.
562 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
564 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
565 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
566 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
567 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
568 c4x_merge_notes, c4x_parallel_process,
569 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
570 c4x_combine_parallel): Delete.
572 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
574 * config/c4x/c4x.c: (c4x_override_options): For compatibility
575 with old target options clear flag_branch_on_count_reg if
576 -mno-rptb specified and set flag_argument_alias is -mno-aliases
578 (c4x_output_cbranch): Handle a sequence of insns rather than a
580 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
581 has not been allocated as the loop counter.
582 (c4x_address_conflict): Do not allow two volatile memory references.
583 (valid_parallel_operands_4, valid_parallel_operands_5,
584 valid_parallel_operands_6): Reject pattern if the register destination
585 of the first set is used as part of an address in the second set.
587 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
589 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
590 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
591 is no longer enabled if PARALLEL_MPY_FLAG set.
592 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
593 (REG_CLASS_CONTENTS): Add braces around initializers.
594 (HAVE_MULTIPLE_PACK): Define.
595 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
596 REAL_VALUE_TO_DECIMAL.
597 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
598 REAL_VALUE_TO_DECIMAL.
599 (ar0_reg_operand): Add prototype.
600 (ar0_mem_operand): Likewise.
601 (ar1_reg_operand): Likewise.
602 (ar1_mem_operand): Likewise.
603 (ar2_reg_operand): Likewise.
604 (ar2_mem_operand): Likewise.
605 (ar3_reg_operand): Likewise.
606 (ar3_mem_operand): Likewise.
607 (ar4_reg_operand): Likewise.
608 (ar4_mem_operand): Likewise.
609 (ar5_reg_operand): Likewise.
610 (ar5_mem_operand): Likewise.
611 (ar6_reg_operand): Likewise.
612 (ar6_mem_operand): Likewise.
613 (ar7_reg_operand): Likewise.
614 (ar7_mem_operand): Likewise.
615 (ir0_reg_operand): Likewise.
616 (ir0_mem_operand): Likewise.
617 (ir1_reg_operand): Likewise.
618 (ir1_mem_operand): Likewise.
619 (group1_reg_operand): Likewise.
620 (group1_mem_operand): Likewise.
621 (ir1_reg_operand): Likewise.
622 (arx_reg_operand): Likewise.
623 (not_rc_reg): Likewise.
624 (not_modify_reg): Likewise.
625 (c4x_group1_reg_operand): Remove prototype.
626 (c4x_group1_mem_operand): Likewise.
627 (c4x_arx_reg_operand): Likewise.
629 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
631 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
632 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
634 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
636 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
639 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
641 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
642 unless FMOVD_WORKS is defined.
644 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
646 * regclass.c (init_reg_sets): Move code that calculates tables
647 dependent on reg_class_contents from here...
648 (init_reg_sets_1): To here.
650 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
652 * cpplib.h: Delete struct import_file. Add ihash element to
653 struct cpp_buffer. Delete dont_repeat_files and
654 import_hash_table elements from cpp_reader; change
655 all_include_files to a hash table. Delete all foobar_include
656 / last_foobar_include elements from struct cpp_options; put
657 back four such: quote_include, bracket_include,
658 system_include, after_include. Redo struct file_name_list
659 completely. Add new structure type include_hash. Add
660 prototypes for merge_include_chains and include_hash. Change
661 prototypes for finclude, find_include_file, and
662 append_include_chain to match changes below.
664 * cppfiles.c (simplify_pathname, include_hash,
665 remap_filename, merge_include_chains): New functions.
666 (add_import, lookup_import, open_include_file): Removed.
667 (INO_T_EQ): Define this (copied from cccp.c).
668 (hack_vms_include_specification): Remove all calls and #if 0
669 out the definition. It was being called incorrectly and at
670 the wrong times. Until a VMSie can look at this, it's better
671 to not pretend to support it.
672 (append_include_chain): Change calling convention; now takes
673 only one directory at a time, and sets up the data structure
675 (redundant_include_p): Rewritten - this is now used for all
676 include redundancy, whether by #ifndef, #import, or #pragma
677 once. Looks up things in the include hash table.
678 (file_cleanup): Decrement pfile->system_include_depth here if
680 (find_include_file): Calling convention changed; now passes
681 around a struct include_hash instead of 3 separate parameters.
682 Guts ripped out and replaced with new include_hash mechanism.
683 (finclude): Calling convention changed as for
684 find_include_file. Error exits pulled out-of-line. Reformat.
685 (safe_read): Return a long, not an int.
686 (deps_output): Don't recurse.
688 * cpplib.c (is_system_include): Deleted.
689 (path_include): Fix up call to append_include_chain.
690 (do_include): Fix up calls to find_include_file and finclude.
691 Clean up dependency output a bit. Shorten obnoxiously lengthy
692 #import warning message. Don't decrement
693 pfile->system_include_depth here.
694 (do_pragma): Understand the include_hash structure. Reformat.
695 (do_endif): Correct handling of control macros. Understand
697 (cpp_start_read): Fix up calls to finclude. Call
698 merge_include_chains.
699 (cpp_handle_option): Fix up calls to append_include_chain.
700 Understand the four partial include chains.
701 (cpp_finish): Add debugging code (#if 0-ed out) for the
703 (cpp_cleanup): Free the include_hash, not the import hash and
704 the all_include and dont_repeat lists which no longer exist.
706 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
708 * toplev.c (no_new_pseudos): Define.
709 (rest_of_compilation): Set no_new_pseudos as needed.
710 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
711 if no_new_pseudos is set.
712 * rtl.h (no_new_pseudos): Declare it.
713 * reload1.c (reload): Update comments.
714 * md.texi: Corresponding changes.
716 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
718 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
719 (choose_reload_regs): Rename it here as well. When computing it,
720 also merge in used hardregs.
722 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
724 * gcc.c: Split out Objective-C specs to...
725 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
728 * c-lex.c (init_parse): Always initialize the filename global.
729 * objc/objc-act.c (lang_init): Always call check_newline at
732 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
734 * reload1.c (reload): Remove unused variable.
735 (reload_reg_free_for_value_p): Add missing parameter definition.
737 * jump.c (jump_optimize): Remove unused variable.
739 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
741 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
743 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
745 * expr.c (move_by_pieces): Similarly.
746 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
747 * flow.c (find_auto_inc): Similarly.
748 (try_pre_increment): Similarly.
749 * loop.c (strength_reduce): Similarly.
750 * regclass.c (auto_inc_dec_reg_p): Similarly.
751 * regmove.c (try_auto_increment): Similarly.
752 (fixup_match_1): Similarly.
753 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
754 (HAVE_PRE_DECREMENT): Similarly.
755 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
756 * Corresponding changes to all target header files.
757 * tm.texi: Update docs for autoinc addressing modes.
759 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
761 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
762 * configure: Rebuild.
763 * config/elfos.h: New file.
764 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
765 config/m68k/t-m68kelf: New file.
767 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
769 * Makefile.in (HOST_AR): Define.
770 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
771 (libcpp.a): Use the host tools explicitly.
772 (STAGESTUFF): Add libcpp.a.
774 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
776 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
777 to source and destination registers.
779 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
781 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
782 The strategy we now use is to pre allocate the top_elt along
783 with the EH context so that each thread has its own top_elt.
784 This is necessary as the dynmanic cleanup chain is used on the
785 top element of the stack and each thread MUST have its own.
786 (eh_context_static): Likewise.
787 (new_eh_context): Likewise.
788 (__sjthrow): Likewise.
790 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
792 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
793 * i386.md (prologue_get_pc): Remove unused variable.
795 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
797 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
799 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
801 * Makefile.in (OBJS): Add graph.o
802 (graph.o): New dependency list.
803 * flags.h: Declare dump_for_graph and define graph_dump_types type.
804 * print-rtl.c (dump_for_graph): Define new variable.
805 (print_rtx): Rewrite to allow use in graph dumping functions.
806 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
807 finish_graph_dump_file.
808 Define graph_dump_format.
809 (compile_file): If graph dumping is enabled also clear these files.
810 Finish graph dump files.
811 (rest_of_compilation): Also dump graph information if enabled.
812 (main): Recognize -dv to enabled VCG based graph dumping.
813 * graph.c: New file. Graph dumping functions.
815 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
817 * configure.in: Look for <sys/stat.h>.
818 * system.h: Include it before substitute S_ISREG definitions.
820 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
822 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
823 * config/mips/iris6.h: Same.
824 * config/mips/mips.md: Same.
825 * config/mips/mips.c: Same; also add "-mabi=o64" option.
826 * config/mips/mips.h: Same; also define ABI_O64.
828 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
830 * configure.in: Use AC_PREREQ(2.12.1).
832 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
834 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
835 * cpplib.c, gcc.c: Likewise.
836 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
838 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
840 * local-alloc.c (local_alloc): Use malloc not alloca for
841 reg_qty, reg_offset, ref_next_in_qty.
843 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
845 * caller-save.c (insert_one_insn): Initialize the live_before and
846 live_after register sets.
850 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
851 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
852 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
853 (fp_reg_names, assembler_dialect): New variables.
854 (print_operand_address): Handle SUBREGs.
855 (print_operand): Added 'o' case.
856 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
857 Name of FP registers depends on mode.
858 (expand_block_move): Emit different code for SH4 hardware.
859 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
860 (from_compare): Likewise.
861 (add_constant): New argument last_value. Changed all callers.
862 (find_barrier): Don't try HImode load for FPUL_REG.
863 (machine_dependent_reorg): Likewise.
864 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
865 (gen_far_branch): Emit a barrier after the new jump.
866 (barrier_align): Don't trust instruction lengths before
868 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
869 Use auto-inc addressing for fp registers if doubles need to
870 be loaded in two steps.
871 Set sh_flag_remove_dead_before_cse.
872 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
873 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
874 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
875 Support for FIRST_XD_REG .. LAST_XD_REG.
876 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
877 (sh_expand_epilogue): Likewise.
878 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
879 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
880 (arith_reg_operand): FPUL_REG is OK for SH4.
881 (fp_arith_reg_operand, fp_extended_operand) New functions.
882 (tertiary_reload_operand, fpscr_operand): Likewise.
883 (commutative_float_operator, noncommutative_float_operator): Likewise.
884 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
885 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
886 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
887 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
888 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
889 (CONDITIONAL_REGISTER_USAGE): Likewise.
890 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
891 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
892 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
893 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
894 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
895 to -1 and sh_flag_remove_dead_before_cse to 1.
896 (ASSEMBLER_DIALECT): Define to assembler_dialect.
897 (assembler_dialect, fp_reg_names): Declare.
898 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
899 Hide names of registers that are not accessible.
900 (CACHE_LOG): Take TARGET_CACHE32 into account.
901 (LOOP_ALIGN): Take TARGET_HARWARD into account.
902 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
903 (FIRST_PSEUDO_REGISTER: Now 49.
904 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
905 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
906 (HARD_REGNO_MODE_OK): Update.
907 (enum reg_class): Add DF_REGS and FPSCR_REGS.
908 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
909 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
910 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
911 (NPARM_REGS): Eight floating point parameter registers on SH4.
912 (BASE_RETURN_VALUE_REG): SH4 also passes double values
913 in floating point registers.
914 (GET_SH_ARG_CLASS) Likewise.
915 Complex float types are also returned in float registers.
916 (BASE_ARG_REG): Complex float types are also passes in float registers.
917 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
918 (LIBCALL_VALUE): Remove trailing semicolon.
919 (ROUND_REG): Round when double precision value is passed in floating
921 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
923 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
924 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
925 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
926 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
927 (MODE_DISP_OK_8): Not for SH4 DFmode.
928 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
929 Allow indexed addressing for PSImode after reload.
930 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
931 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
932 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
933 (DOUBLE_TYPE_SIZE): 64 for SH4.
934 (RTX_COSTS): Add PLUS case.
935 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
936 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
937 MAC_REGS, PR_REGS, DF_REGS.
938 (REGISTER_NAMES): Use fp_reg_names.
939 (enum processor_type): Add PROCESSOR_SH4.
940 (sh_flag_remove_dead_before_cse): Declare.
941 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
942 (PREDICATE_CODES): Add binary_float_operator,
943 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
944 fpscr_operand, noncommutative_float_operator.
945 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
946 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
947 * sh.md (attribute cpu): Add value sh4.
948 (attrbutes fmovd, issues): Define.
949 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
950 (function units memory, int, mpy, fp): Make dependent on issue rate.
951 (function units issue, single_issue, load_si, load): Define.
952 (function units load_store, fdiv, gp_fpul): Define.
953 (attribute hit_stack): Provide proper default.
954 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
955 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
956 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
957 (mulsi3_call): Now uses match_operand for function address.
958 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
960 (push, pop, push_e, pop_e): Now define_expands.
961 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
962 (movsi_ie): Added y/i alternative.
963 (ic_invalidate_line_i, movdf_i4): New insns.
964 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
965 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
966 (movdf): Add special code for SH4.
967 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
968 (call_valuei, calli, call_value): Likewise.
969 (movsf): Emit no-op move.
970 (mov_nop, movsi_y): New insns.
971 (blt, sge): generalize to handle DFmode.
972 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
973 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
974 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
975 (fpu_switch0, fpu_switch1, movpsi): New expanders.
976 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
977 (toggle_sz): New insn.
978 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
979 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
980 (macsf3): Make use of fpscr visible. Disable for SH4.
981 (floatsisf2): Make use of fpscr visible.
982 (floatsisf2_i4): New insn.
983 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
984 (ieee_ccmpeqsf_t): Likewise.
985 (fix_truncsfsi2): Emit different code for SH4.
986 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
987 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
988 (negsf2, sqrtsf2, abssf2): Now expanders.
989 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
990 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
991 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
992 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
993 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
994 (fix_truncdfsi2_i4_2+1): New splitters.
995 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
996 (extendsfdf2, truncdfsf2): New expanders.
997 (truncdfsf2_i4): New insn.
998 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
999 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1000 * float-sh.h: When testing for __SH3E__, also test for
1001 __SH4_SINGLE_ONLY__ .
1002 * va-sh.h (__va_freg): Define to float.
1003 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1004 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1005 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1006 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1008 (TARGET_SH4_P): Define.
1011 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1012 init_expr_once is satisfied about the existence of load / store insns.
1014 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1015 change m constraint in source operand to mr / mf .
1017 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1019 * (__VA_REEF): Define.
1020 (__va_arg_sh1): Use it.
1022 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1024 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1026 * i386/dgux.c (struct option): Add new "description field".
1027 * m88k/m88k.c (struct option): Likewise.
1029 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1031 * version.c: Bump for snapshot.
1033 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1035 * regmove.c (regmove_profitable_p): Use return value of find_matches
1038 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1040 * version.c: Bump for snapshot.
1042 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1044 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1045 without reload having been called earlier.
1047 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1049 (v850_reorg): Similarly.
1051 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1053 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1055 * loop.c (move_movables): Start of libcall might be new loop start.
1057 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1059 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1061 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1063 * function.c (nonlocal_goto_handler_slots): Renamed from
1064 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1065 (push_function_context_to): Adjust for this change.
1066 (pop_function_context_from): Likewise.
1067 (init_function_start): Likewise.
1068 (expand_function_end): Likewise.
1069 * function.h (struct function): Likewise.
1070 * calls.c (expand_call): Likewise.
1071 * explow.c (allocate_dynamic_stack_space): Likewise.
1072 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1073 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1075 (expand_goto): When doing a nonlocal goto, find corresponding handler
1076 slot for it. Don't put the label address in the static chain register.
1077 (expand_end_bindings): Break out nonlocal goto handling code into
1078 three new functions.
1079 (expand_nl_handler_label, expand_nl_goto_receiver,
1080 expand_nl_goto_receivers): New static functions, broken out of
1081 expand_end_bindings and adapted to create one handler per nonlocal
1083 * function.c (delete_handlers): Delete insn if it references any of
1084 the nonlocal goto handler slots.
1085 * i960.md (nonlocal_goto): Comment out code that modifies
1087 * sparc.md (nonlocal_goto): Likewise.
1088 (goto_handler_and_restore_v9): Comment out.
1089 (goto_handler_and_restore_v9_sp64): Comment out.
1091 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1093 * expr.c (STACK_BYTES): Delete unused macro.
1094 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1095 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1096 (expand_call): Likewise.
1097 (emit_library_call): Likewise.
1098 (emit_library_call_value): Likewise.
1099 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1100 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1101 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1102 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1103 (allocate_dynamic_stack_space): Likewise.
1104 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1105 (STACK_BOUNDARY): Update description to reflect the new situation.
1107 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1109 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1110 return with a filled delay slot is followed by a return with an
1111 unfilled delay slot, delete the first return and reemit the insn
1112 that was previously in its delay slot.
1114 * i860.c (single_insn_src_p): Add missing parens.
1115 * ginclude/math-3300.h: Likewise.
1117 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1119 * regclass.c (init_reg_sets_1): Add prototype.
1120 (init_reg_modes): Likewise.
1122 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1124 * c-common.c: Change warning messages to say `comparison is
1125 always true' or `comparison is always false' instead of the
1126 confusing `is always 0', `is always 1'.
1128 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1130 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1131 break instead of return (which loses closing '>').
1133 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1135 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1136 standard 387 constants.
1138 * i386.md (jump): Explicitly set "memory" attribute.
1139 (indirect_jump, prologue_set_stack_ptr): Likewise.
1140 (prologue_get_pc_and_set_got, pop): Likewise.
1141 (allocate_stack_worder, blockage, return_internal): Likewise.
1142 (return_pop_internal, nop): Likewise.
1143 (epilogue_set_stack_ptr, leave): Likewise.
1145 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1147 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1149 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1151 * reload1.c (reload_reg_free_for_value_p):
1152 Early auto_inc reloads don't conflict with outputs.
1154 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1156 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1157 Instead call AC_HEADER_SYS_WAIT.
1159 * collect2.c: Don't provide defaults for sys/wait.h macros.
1161 * protoize.c: Likewise. Also, don't include sys/wait.h.
1163 * system.h: Include sys/wait.h and provide macro defaults.
1165 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1167 * Makefile.in (mandir): Set to @mandir@.
1168 (man1dir): New variable to hold the former value of $(mandir).
1169 Replace all uses of $(mandir) by $(man1dir).
1171 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1173 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1174 a new one before passing it to force_const_mem.
1176 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1177 find_reloads_address call.
1179 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1181 * expr.c (store_expr): Don't generate load-store pair
1182 if TEMP is identical (according to ==) with TARGET.
1184 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1186 * reload1.c (reload_reg_free_for_value_p): When considered reload
1187 has an output, matching inputs are not sufficient to avoid conflict.
1189 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1191 * hash.h (hash_table_key): New type.
1192 (hash_entry): Change `string' field to generic `key'.
1193 (hash_table): Add `comp' and `hash' functions.
1194 (hash_table_init): Take them as input.
1195 (hash_table_init_n): Likewise.
1196 (hash_lookup): Modify for generic keys.
1197 (hash_newfunc): Likewise.
1198 (hash_traverse): Likewise.
1199 (string_hash): New function.
1200 (string_compare): Likewise.
1201 (string_copy): Likewise.
1202 * hash.c (hash_table_init_n): Modify for generic keys.
1203 (hash_table_init): Likewise.
1204 (hash_lookup): Likewise.
1205 (hash_newfunc): Likewise.
1206 (hash_traverse): Likewise.
1207 (string_hash): Split out from hash_lookup.
1208 (string_compare): New function.
1209 (string_copy): Split out from hash_lookup.
1210 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1212 (symbol_hash_lookup): Likewise.
1213 (file_hash_newfunc): Likewise.
1214 (file_hash_lookup): Likewise.
1215 (demangled_hash_newfunc): Likewise.
1216 (demangled_hash_lookup): Likewise.
1217 (tlink_int): Likewise.
1218 (read_repo_file): Likewise.
1219 (recompile_files): Likewise.
1220 (demangle_new_symbols): Likewise.
1221 (scan_linker_output): Likewise.
1223 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1225 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1227 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1229 * rs6000.c (output_mi_thunk): Improve test for local branch.
1231 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1233 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1235 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1237 * reload1.c (reload_reg_free_before_p): Delete.
1238 Changed all callers to use reload_reg_free_for_value_p instead.
1239 (reload_reg_free_for_value_p): Handle more reload types.
1240 A RELOAD_FOR_INPUT doesn't conflict with its
1241 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1242 Add special case for OUT == const0_rtx.
1243 Added ignore_address_reloads argument. Changed all callers.
1245 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1247 * toplev.c (compile_file): Don't pedwarn about undefined static
1248 functions just because we passed -Wunused.
1250 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1252 * function.c (purge_addressof_1): Unshare rtl created by
1255 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1257 * regmove.c (regmove_optimize): Don't do anything but
1258 optimize_reg_copy[123] when flag_regmove is not set.
1260 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1262 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1263 value in paradoxical SImode result, rather than truncating midpoint.
1265 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1267 * alpha.c (reg_not_elim_operand): New.
1268 * alpha.h (PREDICATE_CODES): Add it.
1269 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1270 for the multiplicand.
1272 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1274 * rs6000.md (movsf): Remove explicit secondary-reload-like
1275 functionality. Only truncate SFmode store if in FPR.
1276 (movsf splitters): Combine const_double splitters.
1277 (movsf_hardfloat): Add GPR support.
1279 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1281 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1282 deprecate -mlive-g0 and -mbroken-saverestore.
1283 * t-splet (MULTILIB_OPTIONS): Likewise.
1285 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1286 in a leaf function. Clarify total_size/extra_size relationship.
1288 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1290 * i386/cygwin32.asm: Delete.
1291 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1292 * i386/cygwin32.h: Delete.
1293 * i386/cygwin.h: New file, renamed from cygwin32.h.
1294 * i386/t-cygwin32: Delete.
1295 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1296 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1297 * i386/x-cygwin32: Delete.
1298 * i386/x-cygwin: New file, renamed from x-cygwin32.
1299 * i386/xm-cygwin32: Delete.
1300 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1301 renamed cygwin_ funcs for path translations.
1302 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1303 * i386/winnt.c: Remove "32" from comment about cygwin.
1304 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
1305 * rs6000/cygwin32.h: Delete.
1306 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
1307 -D__CYGWIN__ to CPP_PREDEFINES.
1308 * rs6000/x-cygwin32: Delete.
1309 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
1310 * rs6000/xm-cygwin32: Delete.
1311 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
1313 * configure.in: Check for cygwin* instead of cygwin32. Account
1314 for the rename of cygwin-related config files to lose the "32"s.
1315 * configure: Regenerate.
1317 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
1318 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
1320 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
1322 * Makefile.in (JAVAGC): New macro.
1323 * configure: Rebuilt.
1324 * configure.in: Recognize --enable-java-gc argument. Subst
1327 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1329 Handle equivalences that have been obscured by gcse:
1331 * reload1.c (reload): Handle equivalences set up in multiple places.
1332 * local-alloc.c (reg_equiv_init_insns): New variable.
1333 (no_equiv): New function.
1334 (update_equiv_regs): Handle equivalences set up in multiple places.
1335 Don't ignore an insn just because its destination is likely to be
1338 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
1340 * except.c (expand_eh_return): Readd force_operand call lost in
1343 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
1345 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
1347 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1349 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
1351 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1353 * regmove.c (regmove_optimize): Fix error in last change.
1355 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1357 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
1358 offset in the .mask pseudo to compensate for frame pointer adjustments.
1359 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
1360 word swap arguments moved to/from FP registers.
1361 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
1363 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
1365 * version.c: Bump for snapshot.
1367 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
1369 * version.c: Bump for snapshot.
1371 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
1373 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
1374 times, then it can not be completely replaced.
1376 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
1378 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
1380 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1382 * gansidecl.h: Prepend a "G" to the macro wrapping this file
1383 (to distinguish it from the macro wrapping ansidecl.h.)
1384 Include libiberty's ansidecl.h. Remove all redundant definitions.
1385 Define the PROTO() style macros in terms of the PARAMS() ones.
1388 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
1389 __STDC__, when deciding whether to use ANSI variable args.
1390 (emit_library_call_value): Likewise.
1392 * cccp.c (error): Likewise.
1393 (warning): Likewise.
1394 (error_with_line): Likewise.
1395 (warning_with_line): Likewise.
1396 (pedwarn): Likewise.
1397 (pedwarn_with_line): Likewise.
1398 (pedwarn_with_file_and_line): Likewise.
1401 * cexp.y (error): Likewise.
1402 (pedwarn): Likewise.
1403 (warning): Likewise.
1405 * collect2.c (fatal_perror): Likewise.
1409 * combine.c (gen_rtx_combine): Likewise.
1411 * cpperror.c (cpp_message): Likewise.
1412 (cpp_fatal): Likewise.
1414 * cpplib.c (cpp_error): Likewise.
1415 (cpp_warning): Likewise.
1416 (cpp_pedwarn): Likewise.
1417 (cpp_error_with_line): Likewise.
1418 (cpp_warning_with_line): Likewise.
1419 (cpp_pedwarn_with_line): Likewise.
1420 (cpp_pedwarn_with_file_and_line): Likewise.
1422 * cpplib.h: Don't define PARAMS() macro.
1424 * demangle.h: Likewise.
1426 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
1427 when deciding whether to use ANSI variable args.
1429 * emit-rtl.c (gen_rtx): Likewise.
1430 (gen_rtvec): Likewise.
1432 * final.c (asm_fprintf): Likewise.
1434 * fix-header.c (cpp_message): Likewise.
1436 (cpp_fatal): Likewise.
1438 * gcc.c (concat): Likewise.
1442 * genattr.c (fatal): Likewise.
1444 * genattrtab.c (attr_rtx): Likewise.
1445 (attr_printf): Likewise.
1448 * gencodes.c (fatal): Likewise.
1450 * genconfig.c (fatal): Likewise.
1452 * genemit.c (fatal): Likewise.
1454 * genextract.c (fatal): Likewise.
1456 * genflags.c (fatal): Likewise.
1458 * genopinit.c (fatal): Likewise.
1460 * genoutput.c (fatal): Likewise.
1463 * genpeep.c (fatal): Likewise.
1465 * genrecog.c (fatal): Likewise.
1467 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
1468 deciding whether to declare `tree_node' and `rtx_def'.
1470 * hash.h: Don't define stuff we get from gansidecl.h.
1472 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
1473 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1474 whether to use ANSI variable args.
1477 * prefix.c (concat): Likewise.
1481 * system.h: Likewise.
1483 * toplev.c (error_with_file_and_line): Likewise.
1484 (error_with_decl): Likewise.
1485 (error_for_asm): Likewise.
1488 (warning_with_file_and_line): Likewise.
1489 (warning_with_decl): Likewise.
1490 (warning_for_asm): Likewise.
1491 (warning): Likewise.
1492 (pedwarn): Likewise.
1493 (pedwarn_with_decl): Likewise.
1494 (pedwarn_with_file_and_line): Likewise.
1496 (really_sorry): Likewise.
1498 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1499 whether to declare `tree_node' and `rtx_def'.
1501 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
1502 deciding whether to use ANSI variable args.
1503 (build_nt): Likewise.
1504 (build_parse_node): Likewise.
1506 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
1508 * version.c: Bump for snapshot.
1510 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1512 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
1514 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1516 * collect2.c (main, case 'b'): Use else if.
1518 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1520 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
1521 Arrange to include gansidecl.h in {ht}config.h & tm.h just
1522 before the config/ directory headers.
1523 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
1524 gansidecl.h in the list of dependencies.
1526 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
1527 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
1528 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
1529 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
1530 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
1531 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
1534 * cccp.c: Don't include gansidecl.h.
1536 * collect2.c: Likewise.
1537 * config/c4x/c4x.c: Likewise.
1538 * config/v850/v850.h: Likewise.
1539 * cppalloc.c: Likewise.
1540 * cpperror.c: Likewise.
1541 * cppexp.c: Likewise.
1542 * cppfiles.c: Likewise.
1543 * cpphash.c: Likewise.
1544 * cpplib.c: Likewise.
1545 * cppmain.c: Likewise.
1546 * cppulp.c: Likewise.
1547 * demangle.h: Likewise.
1548 * doprint.c: Likewise.
1549 * dyn-string.c: Likewise.
1550 * eh-common.h: Likewise.
1551 * fix-header.c: Likewise.
1552 * frame.c: Likewise.
1555 * gen-protos.c: Likewise.
1556 * gencheck.c: Likewise.
1557 * halfpic.h: Likewise.
1559 * machmode.h: Likewise.
1560 * mbchar.c: Likewise.
1561 * prefix.c: Likewise.
1562 * protoize.c: Likewise.
1563 * recog.h: Likewise.
1565 * scan-decls.c: Likewise.
1567 * varray.h: Likewise.
1569 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
1571 * i386.md (call_value_pop): If we're not popping anything,
1572 defer to call_value.
1573 (call_pop): Likewise defer to call.
1575 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
1577 * function.c (purge_addressof): Clear purge_addressof_replacements
1578 only after processing the whole function.
1580 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
1582 * reload1.c (reload): If we can not perform a particular elimination
1583 when we thought we could earlier, then we must always iterate through
1584 the loop at least one more time.
1586 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
1588 * alpha.c (add_operand): Simplify the CONST_INT match.
1589 (sext_add_operand): Correct typo in comparison by using
1590 CONST_OK_FOR_LETTER_P.
1591 * alpha.md (s?addq): Use sext_add_operand to allow the negative
1592 constant alternatives to be generated.
1593 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
1594 small constants, since the hw instructions do.
1596 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1598 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
1599 previous insn to store directly into our reload register, make sure
1600 that if the source of the previous insn is a reload register, its
1601 spill_reg_store and spill_reg_stored_to values are cleared.
1603 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
1605 * rs6000.md (floatunssidf2_internal splitter): Use base register
1606 operand, not hard-coded SP.
1608 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1610 * jump.c (calculate_can_reach_end): Fix thinko.
1612 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
1614 * reorg.c (fill_simple_delay_slots): Fix typo.
1616 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
1618 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
1620 * i386.md (extendsidi2): Use # in the output template.
1621 (extendsidi splitters): New splitters.
1623 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
1625 * configure.in: Use unknown-elf.h as tm_file for arm-elf
1627 * configure: Regenerate.
1629 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1631 * jump.c (init_label_info, delete_barrier_successors,
1632 mark_all_labels, delete_unreferenced_labels,
1633 delete_noop_moves, calculate_can_reach_end): New functions broken
1634 out of jump_optimize.
1635 (jump_optimize): Use them.
1637 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1639 * except.c (expand_fixup_region_end): Make sure outer context labels
1640 are not issued in an inner context during cleanups.
1642 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
1644 * alpha.md (addsi3, subsi3): No new temporaries once cse is
1647 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
1649 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
1650 to expose this midpoint to CSE.
1652 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1654 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
1656 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1658 * configure.in: Bring over gcc2 change of Nov 19 1997.
1660 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
1662 * toplev.c (output_lang_identify): Make definition dependent on
1663 ASM_IDENTIFY_LANGUAGE.
1665 * print-rtl.c (spaces): Make static.
1667 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
1669 * extend.texi: Clarify proper uses for register clobbers in asms.
1671 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1673 * recog.h (enum op_type): Define.
1674 (constrain_operands): Adjust prototype.
1675 (recog_op_type): Declare new variable.
1676 * recog.c (recog_op_type): New variable.
1677 (insn_invalid_p): Allow modifying an asm statement after reload.
1678 (extract_insn): Set up recog_op_type.
1679 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
1680 Don't compute operand types, use recog_op_type.
1681 Use the information computed by extract_insn instead of the previous
1682 method of finding it by insn code number.
1683 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
1684 * reorg.c (fill_slots_from_thread): Likewise.
1685 * reload1.c (reload_as_needed): Likewise.
1686 (gen_reload): Likewise.
1687 (inc_for_reload): Likewise.
1688 (reload_cse_simplify_operands): Likewise.
1689 Use the information computed by extract_insn instead of the previous
1690 method of finding it by insn code number.
1691 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
1693 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
1694 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
1695 Use the information computed by extract_insn instead of the previous
1696 method of finding it by insn code number.
1697 * regmove.c (find_matches): Likewise. Change meaning of the return
1698 value to be nonzero if the optimization can be performed, zero if
1699 not. All callers changed.
1700 Shorten some variable names to fix formatting problems.
1701 (regmove_optimize): Shorten some variable names to fix formatting
1703 Use the information computed by extract_insn instead of the previous
1704 method of finding it by insn code number.
1705 * regclass.c (scan_one_insn): Likewise.
1706 (record_reg_classes): Don't compute operand types, use recog_op_type.
1707 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
1708 recog_constraints instead.
1710 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
1712 * rtl.h (flow2_completed): Declare.
1713 * flow.c (flow2_completed): Definition.
1714 * toplev.c (rest_of_compilation): Set and clear flow2_completed
1717 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1719 * Makefile.in (libcpp.a): Ranlib libcpp.a
1721 * cppulp.c (user_label_prefix): Initialize.
1723 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
1725 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
1726 at a RETURN if current_function_sp_is_unchanging is set.
1728 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1730 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
1732 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
1734 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
1735 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
1736 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
1737 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
1738 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
1739 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
1741 (LIB_SPEC): Handle -mno-cyginw option.
1742 (LINK_SPEC): Handle -mdll.
1744 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1746 * reload.c (find_reloads): Fix test for usage by other reload
1747 to handle secondary reloads properly.
1749 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1751 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
1752 intermediate structure which has exactly the members provided by
1753 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
1754 static intermediate structure.
1756 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
1757 from the intermediate structure. Do the same analogous fix in
1758 the case where ELIMINABLE_REGS is not defined.
1760 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
1762 * pa.h (SELECT_SECTION): Fix thinko.
1764 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
1766 * dwarf2out.c (output_call_frame_info): Comments on last change.
1768 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
1770 * arm.c (add_constant): When taking the address of an item in the
1771 pool, get the mode of the item addressed.
1773 * arm.c (final_prescan_insn case INSN): If an insn doesn't
1774 contain a SET or a PARALLEL, don't consider it for conditional
1777 Restore ABI compatibility for NetBSD.
1778 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
1780 (RETURN_IN_MEMORY): Likewise.
1782 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
1784 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
1785 (m32r_output_block_move): Rewrite bytes < 4 handling.
1787 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1789 * configure.in: Call AC_FUNC_VFORK.
1791 * collect2.c: Define VFORK_STRING as a printable string for
1792 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
1793 defined, include vfork.h. If VMS is defined, define vfork()
1794 appropriately. Remove vfork check on USG, we're using autoconf.
1795 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
1796 checking locally what string to pass.
1797 (scan_prog_file): Likewise.
1798 (scan_libraries): Likewise.
1800 * gcc.c: Remove vfork check on USG, we're using autoconf.
1801 Besides, no calls to vfork/fork occur in this file.
1803 * protoize.c: Likewise.
1805 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1807 * configure.in (DEFAULT_LINKER): renamed from LD
1808 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
1809 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
1810 * configure: rebuilt
1812 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1814 * BUGS: fix the regexp for `more' to find the appropriate node.
1815 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
1817 * BUGS: added link to the WWW FAQ
1819 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
1821 * version.c: Bump for snapshot.
1823 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
1825 * From Christian Gafton:
1826 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
1827 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
1828 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
1830 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
1832 * c-common.c (c_get_alias_set): Allow all type-punning through
1833 unions. Don't get confused about the type of a bit-field, despite
1834 the antics of build_modify_expr.
1836 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
1838 * fixinc.sco: Paramaterize #include_next values.
1839 * fixinc/fixinc.sco: Likewise.
1841 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
1843 * toplev.c (rest_of_compilation): No longer set reload_completed.
1844 * reload1.c (reload): Set it here. Perform instruction splitting
1845 after reload has completed if we will be running the scheduler
1848 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
1850 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
1851 EH region if exceptions are enabled and we're performing cross
1853 (find_cross_jump): Exit loop if the insns are in different EH regions.
1855 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
1857 * dwarf2out.c (output_call_frame_info): Use
1858 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
1860 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1862 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
1863 * c-common.c (check_format_info): Don't check for the 'x'
1864 format character twice, instead check for 'x' and 'X'
1866 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
1868 * configure.in (assembler features): Also make gas is configured if
1869 we find it in the souce tree.
1871 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
1873 * i386.c (i386_comp_type_attributes): Compare whether the
1874 attributes are defined, not their tree nodes.
1876 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1878 * configure.in (gxx_include_dir): bitten by autoconf quoting
1880 * configure: rebuilt
1882 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1884 * configure.in: Ignore non-absolute value in $AS.
1886 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
1888 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
1890 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
1892 * configure.in (msdosdjgpp): Set exeext and target_alias.
1894 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1896 * flow.c (XNMALLOC): New macro.
1897 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
1899 (add_edge, add_edge_to_label): New static functions.
1900 (free_bb_memory): New function.
1901 (flow_delete_insn): Delete function.
1902 (basic_block_drops_in): Delete variable.
1903 (find_basic_blocks): Allocate and initialize basic_block_head,
1904 basic_block_succ. Don't allocate basic_block_drops_in.
1905 Call free_bb_memory at the beginning.
1906 (find_basic_blocks_1): Don't do multiple passes.
1907 Delete code to compute basic_block_drops_in.
1908 After calling make_edges, mark blocks reached by current block live.
1909 Update test for unreachable live blocks.
1910 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
1912 Simplify to call add_edge_to_label when a LABEL_REF is found.
1913 (make_edges): Simplify to call add_edge_to_label instead of
1914 mark_label_ref most of the time.
1915 Compute here whether control drops into the next block.
1916 (delete_unreachable_blocks): Return void. All callers changed.
1917 Delete unreachable blocks in reverse order.
1918 After deleting all unreachable blocks, renumber the remaining ones
1919 and update n_basic_blocks.
1920 (delete_block): Speed up deletion a bit.
1921 Don't set basic_block_drops_in for deleted blocks.
1922 (free_basic_block_vars): Don't free basic_block_drops_in.
1923 (life_analysis_1): Update to use new edge representation.
1924 (dump_flow_info): Delete code to print basic block info; call
1925 dump_bb_data instead.
1926 (compute_preds_succs): Delete code to recompute basic_block_drops_in
1927 and uid_block_number.
1928 Simply copy the previously computed cfg.
1929 (dump_bb_data): New arg LIVE_INFO. All callers changed.
1930 Print register lifetime information if LIVE_INFO is nonzero.
1931 * basic-block.h (dump_bb_data): Adjust prototype.
1932 * gcse.c (gcse_main): Update call to dump_bb_data.
1933 * rtl.h (free_bb_memory): Declare.
1934 * toplev.c (rest_of_compilation): Call free_bb_memory.
1936 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
1937 (update_eliminable_offsets): Don't compute it.
1938 (set_initial_elim_offsets): Don't initialize it.
1939 Break out some code into set_initial_label_offsets so the rest of
1940 this function can be called from reload_as_needed.
1941 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
1942 ELIMINABLE_REGS isn't.
1943 (set_initial_label_offsets): New function, broken out of
1944 set_initial_elim_offsets.
1945 (set_offsets_for_label): New function, broken out of set_label_offsets
1946 and reload_as_needed.
1947 (reload): Call the two new functions.
1948 (reload_as_needed): Call set_initial_elim_offsets instead of
1949 duplicating the code. Likewise for set_offsets_for_label.
1951 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
1952 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
1953 any hard reg, reg_reloaded_dead contains valid data.
1955 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
1957 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
1958 "stdcall" and "cdecl" attributes.
1960 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
1962 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
1963 handle deleted no-op moves of hard registers.
1964 * haifa-sched.c (update_flow_info): Likewise.
1966 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
1968 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
1969 of the sequences to reload the HILO register which do not actually
1972 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
1974 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
1976 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1978 * except.c (emit_eh_context): Make the EH context register stay alive
1979 at -O0 so stupid.c doesn't get confused.
1981 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1983 * emit-rtl.c (try_split): Do not try to split a BARRIER.
1985 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
1986 Jeffrey A Law (law@cygnus.com)
1988 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
1989 (zero_extendsidi2): Use # in output template and handle completely by
1991 (zero_extend splitters): New define_splits.
1992 (ashiftrt_32): New pattern.
1994 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
1996 * tree.c (append_random_chars): New fn.
1997 (get_file_function_name_long): Use it.
1999 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2001 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2002 (LIBCPP_OBJS): New. Add cppulp.o.
2003 (cppmain, fix-header): Depend on and use libcpp.a.
2004 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2005 of the individual object files.
2006 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2009 * cccp.c (user_label_prefix): New.
2010 (main): Set it off -f*leading-underscore.
2011 (special_symbol): Use it.
2012 * cpplib.c (special_symbol): Likewise.
2013 (cpp_handle_option): Handle -f*leading-underscore.
2014 * cppulp.c: New file.
2016 * output.h (user_label_prefix): Declare it.
2017 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2018 * toplev.c (f_options, main): Handle -f*leading-underscore.
2020 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2021 referencing USER_LABEL_PREFIX directly.
2022 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2023 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2024 * final.c (asm_fprintf): Use user_label_prefix instead.
2025 * arm/thumb.c (thumb_print_operand): Likewise.
2027 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2028 cpp wherever appropriate.
2030 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2032 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2033 specific compiler switches.
2035 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2037 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2040 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2042 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2043 structure which has exactly the members provided by EXTRA_SPECS.
2044 Xmalloc() the real `extra_specs', and initialize it from this
2045 intermediate structure.
2047 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2049 * mips.h (EXTRA_SPECS): Likewise.
2051 * sparc.h (EXTRA_SPECS): Likewise.
2053 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2055 * function.c (purge_addressof_1): Instead of aborting when a
2056 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2057 work just put the ADDRESSOF on stack. Otherwise remember all such
2058 successfull replacements, so that exactly the same replacements
2059 can be made on the REG_NOTEs. Remove the special case for CALL
2061 (purge_addressof_replacements): New variable.
2062 (purge_addressof): Clear it at end.
2064 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2066 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2067 (lang_init): Call check_newline always.
2068 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2069 cpp_start_read, set yy_cur and yy_lim to read from
2070 parse_in.token_buffer, so that we'll see the first #line
2072 * cpplib.c (cpp_start_read): finclude the main input file
2073 before processing -include/-imacros. Process -imacros and
2074 -include separately, and handle -include by stacking a
2075 buffer for the file in question as if it'd been #included.
2076 * toplev.c (documented_lang_options) Recognize -H when
2079 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2081 * cpplib.c: Merge do_once into do_pragma. Break file handling
2082 code out of do_include.
2083 Move append_include_chain, deps_output,
2084 file_cleanup, redundant_include_p, import_hash,
2085 lookup_import, add_import, read_filename_string, read_name_map,
2086 open_include_file, finclude, safe_read to cppfiles.c.
2087 Move prototypes for deps_output, append_include_chain,
2088 finclude to cpplib.h. Move definition of struct
2089 file_name_list there also.
2091 * cppfiles.c: New file. Contains all the above functions
2092 broken out of cpplib.c; also hack_vms_include_specification
2093 from cccp.c and find_include_file, a new function broken out of
2096 * Makefile.in (cppmain): Depend on cppfiles.o.
2097 (fix-header): Likewise.
2098 (cppfiles.o): New target.
2099 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2100 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2102 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2104 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2105 if pending_types is non-zero.
2106 (dwarfout_finish): Verify pending_types is zero before finishing.
2108 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2110 * expr.c (convert_move): Use shifts to perform the move if a
2111 suitable extend pattern cannot be found. Code written by
2112 Richard Henderson <rth@cygnus.com>.
2114 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2116 * regclass.c (renumber, regno_allocated): New static variables, moved
2117 out of allocate_reg_info.
2118 (allocate_reg_info): Move these two variables outside the function.
2119 Move code to free memory into new function free_reg_info.
2120 (free_reg_info): New function, broken out of allocate_reg_info.
2121 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2122 * rtl.h (allocate_reg_info): Don't declare.
2123 (free_reg_info): Declare.
2125 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2127 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2129 * toplev.c (compile_file): Temporarily revert last change.
2131 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2133 * c-typeck.c (convert_for_assignment): Parenthesize.
2135 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2137 * reload1.c (delete_output_reload): Avoid ambigous else.
2139 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2141 * toplev.c (compile_file): Call allocate_reg_info to free register
2143 * rtl.h (allocate_reg_info): Declare.
2145 * PROJECTS: Remove entry for local spilling.
2147 * final.c (cleanup_subreg_operands): New function.
2148 (final_scan_insn): Use it.
2149 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2151 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2152 operands when reload has finished.
2153 * reload.h (cleanup_subreg_operands): Declare..
2154 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2155 reload. Handled in reload itself.
2157 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2159 * reload1.c (verify_initial_offsets): New function.
2160 (reload): Call it after reload_as_needed. Also verify that the frame
2161 size stays constant during reload_as_needed.
2162 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2164 * reload.h (struct insn_chain): Add need_operand_change element.
2165 * reload1.c (new_insn_chain): Clear it.
2166 (calculate_needs_all_insns): Set it; don't overload need_reload.
2167 (reload_as_needed): Use it.
2169 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2170 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2171 and reload_address_index_reg_class.
2172 (find_reloads_address_1): Likewise.
2173 * reload.h (reload_address_base_reg_class,
2174 reload_address_index_reg_class): Don't declare.
2175 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2176 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2177 (used_spill_regs): Now static.
2178 (reload_address_base_reg_class, reload_address_index_reg_class,
2179 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2180 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2181 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2184 (init_reload): Delete code to compute base/index reg classes.
2185 (reload): Delete variable J.
2186 Delete code to manage basic_block_needs.
2187 Don't compute regs_explicitly_used.
2188 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2189 pseudo_previous_regs.
2190 Initialize bad_spill_regs_global.
2191 Don't call order_regs_for_reload here.
2192 Don't initialize spill_reg_order and n_spills.
2193 Don't forbid explicitly used regs to be used for spill regs.
2194 Change main loop to infinite loop, with explicit break statements.
2195 Make SOMETHING_CHANGED variable local to that loop.
2196 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2197 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2198 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2200 Don't call dump_needs.
2201 Delete code to reset potential_reload_regs.
2202 Delete code to terminate loop conditional on the global needs variables
2203 showing no further needs.
2204 (calculate_needs_all_insns): Return void. All callers changed.
2205 Initialize somehing_needs_elimination here, not in reload.
2206 Delete avoid_return_reg kludge.
2207 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2208 All callers changed.
2209 Initialize the group_mode and group_size elements of the arg CHAIN.
2210 Delete code to manage basic_block_needs.
2211 Operate on elements of CHAIN instead of global variables.
2212 Delete avoid_return_reg kludge.
2213 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2214 All callers changed.
2215 Operate on elements of CHAIN instead of global variables.
2216 Delete special SMALL_REGISTER_CLASSES code.
2217 Delete spill_failure code; now in new_spill_reg.
2218 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2219 All callers changed.
2220 Operate on elements of CHAIN instead of global variables.
2221 (maybe_mark_pseudo_spilled): New static function.
2222 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2223 All callers changed.
2224 Operate on elements of CHAIN instead of global variables.
2225 Call order_regs_for_reload here, not in reload.
2226 Initialize spill_reg_order and n_spills.
2227 Simplify test whether an asm insn is involved.
2228 Delete spill_failure code; now in new_spill_reg.
2229 Call maybe_mark_pseudo_spilled for everything marked as live in
2230 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2232 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2233 compiler from optimizing this function (now unused) away.
2234 Operate on elements of CHAIN instead of global variables.
2235 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2237 Operate on elements of CHAIN instead of global variables.
2238 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2239 take CHAIN arg. All callers changed.
2240 Operate on elements of CHAIN instead of global variables.
2241 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2242 CHAIN, NONGROUP args. Return void. All callers changed.
2243 Verify caller isn't trying to spill a pseudo.
2244 Simplify test for illegal reg, just use bad_spill_regs.
2245 Generate better error messages.
2246 Operate on elements of CHAIN instead of global variables.
2247 Mark spilled register in CHAIN's used_spill_regs element.
2248 Don't call spill_hard_reg.
2249 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2250 Mark spilled hard regs in bad_spill_regs_global.
2251 Mark affected pseudos in spilled_pseudos, but don't spill them.
2252 (ior_hard_reg_set): New static function.
2253 (finish_spills): Return int. All callers changed.
2254 Compute spill_reg_order, n_spills and spill_regs here. Also update
2255 regs_ever_live for regs used as spills.
2256 For every pseudo in spilled_pseudos, spill it and mark the previous
2257 hard reg it had in pseudo_previous_regs. Compute which hard regs
2258 arseudo): New static function.
2259 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2260 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2261 hard registers explicitly used across the current insn into the set.
2262 Compute hard_reg_n_uses taking only pseudos live across this insn
2264 Tweak sorting of potential_reload_regs.
2265 (compare_spill_regs): Delete function.
2266 (reload_as_needed): Don't sort the spill_regs array, it's computed
2267 in proper order in finish_spills.
2268 Delete avoid_return_reg kludge.
2269 Delete code to manage basic_block_needs.
2270 (allocate_reload_reg): Minor speed/readability tweaks.
2271 Operate on elements of CHAIN instead of global variables.
2272 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2273 Delete avoid_return_reg kludge.
2274 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2275 Delete unused label FAIL.
2276 (reload_combine): Replce reload_address_index_reg_class with
2278 Don't use used_spill_regs to determine information about lifetime of
2281 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2283 * toplev.c (display_help): Ignore empty target specific
2284 options, and if -W is also specified on the command line then
2285 display undocumented options.
2287 * config/arm/arm.c: Updated with changes in devo sources.
2288 * config/arm/arm.h: Updated with changes in devo sources.
2289 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2290 * config/arm/lib1thumb.asm: Add ELF support.
2292 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2294 * collect2.c (aix64_flag): New variable.
2295 (main, case 'b'): Parse it.
2296 (GCC_CHECK_HDR): object magic number must match mode.
2297 (scan_prog_file): Only check for shared object if valid header.
2298 Print debugging if header/mode mismatch.
2300 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2302 Added support for arm-elf-linux configuration, submitted by Philip
2303 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2304 code developed by Catherine Moore <clm@cygnus.com>. The following
2307 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
2310 * configure: Regenerated.
2312 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
2313 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
2314 definitions conditional on their not having been already defined.
2316 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
2317 and .type directives, and add "(PLT)" qualification to function
2320 * config/arm/linux.h: Deleted. This file is now superceeded by
2321 either linux-elf.h or linux-aout.h.
2323 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
2324 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
2326 Move definitions from old linux.h file here.
2328 * config/arm/elf.h: New file. Generic ARM/ELF support.
2330 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
2332 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
2334 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
2335 using the 26bit APCS.
2337 * config/arm/unknown-elf.h: New file. Support for OS'es other
2338 than Linux with ELF.
2340 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
2343 * config/arm/coff.h: Include aout.h for basic assembler macros.
2344 Add support for -mstructure_size_boundary=<n> command line option.
2346 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
2347 command line option. Make macro definitions conditional on their
2348 not having been already defined.
2350 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
2351 command line option.
2354 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
2356 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
2357 has been changed to not include a newline. Use this macro instead.
2358 (output_enumeral_list, const_value_attribute, name_attribute,
2359 comp_dir_attribute, prototyped_attribute, producer_attribute,
2360 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
2361 dwarfout_file_scope_decl, generate_new_sfname_entry,
2362 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
2363 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
2365 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
2367 * combine.c (subst): Process the inputs to a parallel asm_operands
2370 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
2372 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
2374 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
2376 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
2378 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
2380 * version.c: Bump for snapshot.
2382 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2384 * stmt.c (expand_fixup): Set fixup->before_jump to a
2385 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
2387 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2389 * Makefile.in (recog.o): Depend on toplev.h.
2390 (insn-emit.o): Depend on recog.h.
2391 (insn-peep.o): Depend on recog.h and insn-config.h.
2393 * combine.c (simplify_set): Remove unused variable `scratches'.
2395 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
2396 and `idx' in macro conditional controlling their use.
2398 * genemit.c (main): Make the generated output file include
2399 recog.h. Don't have it declare `insn_operand_constraint', since
2400 we get it from recog.h.
2402 * genpeep.c (main): Make the generated output file include
2403 insn-config.h and recog.h.
2405 * recog.c: Include toplev.h.
2406 (extract_insn): Remove unused variable `p'.
2408 * regclass.c (fix_register): Add missing braces around initializer
2410 (allocate_reg_info): Move variable `i' into the scope where it is
2411 used. Change its type to `size_t'.
2413 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2415 * reload.c (push_reload): When merging reloads, make sure
2416 that reload_in_reg and reload_in are from the same reload in
2419 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
2421 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
2422 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2424 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
2426 * loop.c (loop_has_tablejump): New variable.
2427 (prescan_loop): Scan for it.
2428 (insert_bct): Replace explicit scan with use of it.
2429 * regclass.c (regclass): Restore loop variable j.
2430 (record_reg_classes): Deterine op_types modifiers and initialize
2431 classes[i] before matching constraints. Handle matching
2434 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
2436 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
2439 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2441 * mips.h (EXTRA_SPECS): Add missing initializers.
2443 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2445 * sparc.h (EXTRA_SPECS): Add missing initializers.
2446 (sparc_defer_case_vector): Provide a prototype.
2448 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
2449 comparing it to the result of a pointer subtraction.
2451 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2453 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
2454 the argument to (unsigned char).
2456 * alpha.h (EXTRA_SPECS): Add missing initializers.
2457 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
2460 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
2462 * flow.c (life_analysis_1): Enable "rescan" code after reload.
2463 (propagate_block): Delete dead code after reload.
2465 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
2466 back Oct 15, 1998 change.
2467 * haifa-sched.c (update_flow_info): Likewise.
2468 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
2470 * mn10200.md (truncated shift): Accept constant inputs too.
2472 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
2474 * machmode.h (mode_mask_array): No longer const.
2475 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
2477 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2479 * frame.c: Somewhat explain `FDE'.
2480 Suggested by Brendan Kehoe
2482 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
2484 * expr.c (pending_chain): Move up.
2485 (save_expr_status): Do save pending_chain.
2486 (restore_expr_status): And restore it.
2487 * function.h (struct function): Add pending_chain.
2489 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2491 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
2492 did not match the code.
2494 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2496 * regclass.c (regclass): Break out some code into new function
2497 scan_one_insn, and into regclass_init.
2498 (init_cost): New static variable, moved out of regclass.
2499 (regclass_init): Initialize it here, not in .
2500 (scan_one_insn): New static function, broken out of regclass.
2501 * recog.c (apply_change_group): Break out some code into new
2502 function insn_invalid_p.
2503 (insn_invalid_p): New static fn, broken out of apply_change_group.
2505 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
2507 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
2508 reg_reloaded_contents matches incremented pseudo.
2510 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
2512 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2514 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
2515 addressing modes with side effects. These are currently
2516 placeholders for the C4x target.
2518 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2520 * loop.c (express_from): Make sure that when generating a PLUS of
2521 a PLUS, any constant expression appears on the outermost PLUS.
2523 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
2525 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
2526 works if "$(srcdir)" != ".".
2528 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
2530 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
2531 existing SUBREG if we can, otherwise abort.
2533 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
2535 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
2536 `restrict' is applied to a non-pointer variable.
2538 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
2540 * invoke.texi: Document -flang-isoc9x.
2542 * Makefile.in (OBJS): Add splay-tree.o.
2543 (c-common.o): Depend on rtl.h.
2544 (splay-tree.o): List dependencies and provide build rule.
2546 * rtl.h (record_alias_subset): New function.
2547 * alias.c: Include splay-tree.h.
2548 (alias_set_entry): New type.
2549 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
2550 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
2551 (mems_in_disjoin_alias_sets_p): New function.
2552 (alias_set_compare): Likewise.
2553 (insert_subset_children): Likewise.
2554 (get_alias_set_entry): Likewise.
2556 * tree.h (TYPE_RESTRICT): New macro.
2557 (TYPE_UNQUALIFIED): New manifest constant.
2558 (TYPE_QUAL_CONST): Likewise
2559 (TYPE_QUAL_VOLATILE): Likewise.
2560 (TYPE_QUAL_RESTRICT): Likewise.
2561 (tree_type): Add restrict_flag. Reduce count of free bits.
2562 (DECL_POINTER_ALIAS_SET): New macro.
2563 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
2564 (tree_decl): Add pointer_alias_set.
2565 (build_qualified_type): New function.
2566 (build_type_variant): Define in terms of build_qualified_type.
2567 * tree.c (set_type_quals): New function.
2568 (make_node): Initializae DECL_POINTER_ALIAS_SET.
2569 (build_type_attribute_variant): Use build_qualified_type and
2571 (build_type_variant): Rename, and modify, to become...
2572 (build_qualified_type): New function.
2573 (build_complex_type): Use set_type_quals.
2575 * c-tree.h (C_TYPE_OBJECT_P): New macro.
2576 (C_TYPE_FUNCTION_P): Likewise.
2577 (C_TYPE_INCOMPLETE_P): Likewise.
2578 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
2579 (c_apply_type_quals_to_decl): New function.
2580 (c_build_qualified_type): New function.
2581 (c_build_type_variant): Define in terms of c_build_qualified_type.
2582 (flag_isoc9x): Declare.
2583 * c-typeck.c (qualify_type): Use c_build_qualified_type.
2584 (common_type): Change to use TYPE_QUALS.
2585 (comptypes): Likewise.
2586 (convert_for_assignment): Likewise.
2587 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
2588 * c-decl.c (flag_isoc9x): Define.
2589 (c_decode_option): Handle -flang-isoc9x.
2590 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
2591 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
2592 * c-lex.c (init_lex): Deal with restrict.
2593 (init_lex): Don't treat restrict as a reserved word in
2594 -traditional mode, or without -flang-isoc9x.
2595 * c-lex.h (rid): Add RID_RESTRICT.
2596 * c-parse.gperf (restrict, __restrict, __restrict__): Make
2597 equivalent to RID_RESTRICT.
2598 * c-parse.in (TYPE_QUAL): Update comment.
2599 * c-common.c: Include rtl.h.
2600 (c_find_base_decl): New function.
2601 (c_build_type_variant): Rename, and modify, to become ...
2602 (c_build_qualified_type): New function.
2603 (c_apply_type_quals_to_decl): Likewise.
2604 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
2605 a particular alias set for the reference.
2606 * toplev.c (documented_lang_options): Add -flang-isoc9x.
2608 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
2610 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
2611 command line switches.
2613 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
2615 * reload.c (loc_mentioned_in_p): Add missing braces to bind
2618 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
2620 * gcc.c (option_map): Added --classpath and --CLASSPATH.
2622 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
2624 * regclass.c (fix_register): Add error message.
2625 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
2628 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2630 * c-decl.c (warn_missing_noreturn): New global variable.
2631 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
2632 (finish_function): Implement missing noreturn warning.
2634 * c-tree.h (warn_missing_noreturn): Declare extern.
2636 * invoke.texi: Document new flags.
2638 * toplev.c (documented_lang_options): Add description.
2640 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2642 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
2643 loop optimization stable for the C4x.
2644 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
2645 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
2646 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
2648 (c4x_address_conflict): Be more paranoid when packing a volatile
2649 memref in a parallel load/store.
2651 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2653 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
2654 repeat_block_filler): Deleted.
2655 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
2656 Condition code not set if destination register from 'c' class.
2657 (*subbqi3_carry_clobber): Fix typo.
2659 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2661 * reorg.c (steal_delay_list_from_target) Check for insns that
2662 modify the condition codes and effect the direction of the jump
2665 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
2667 * function.c (purge_addressof_1): Replace call to
2668 emit_insns_before() with emit_insn_before().
2670 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
2672 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
2674 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2676 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
2678 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
2680 * gcse.c (compute_hash_table): Correctly identify hard regs which are
2681 clobbered across calls.
2683 * loop.c (scan_loop): Be more selective about what invariants are
2684 moved out of a loop.
2686 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
2688 * version.c: Bump for snapshot.
2690 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
2692 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
2693 static eh_context structure.
2695 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2697 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
2699 (try_combine): Don't update max_scratch.
2700 * flow.c (max_scratch, num_scratch): Delete variables.
2701 (life_analysis_1): Don't initialize max_scratch.
2702 (propagate_block): Don't update max_scratch.
2703 (mark_set_1): Don't increment num_scratch.
2704 * regs.h (max_scratch): Delete declaration.
2706 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
2708 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
2709 is nonzero. This is temporary!
2711 * sched.c (update_flow_info): Handle death notes made invalid by
2712 instruction splitting. Partially reverts Oct 15, 1998 patch.
2713 * haifa-sched.c (update_flow_info): Likewise.
2715 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
2717 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
2718 if it has a nonzero DECL_INITIAL.
2720 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2722 * Makefile.in (flow.o): Depend on recog.h.
2724 * cpplib.h (directive_table): Add missing initializiers.
2725 (finclude): Change type of variable `bsize' to size_t.
2727 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
2729 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
2731 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
2732 `int' when comparing against one.
2733 (cpp_file_line_for_message): Mark parameter `pfile' with
2735 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
2737 * flow.c: Include recog.h.
2738 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
2740 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
2741 `f' with ATTRIBUTE_UNUSED.
2742 (reposition_prologue_and_epilogue_notes): Likewise.
2744 * genopinit.c (gen_insn): Cast argument of ctype functions to
2747 * haifa-sched.c: Include recog.h.
2748 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
2749 comparing against one.
2751 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
2753 * mips-tfile.c (parse_end): Cast the argument of ctype function to
2755 (parse_ent): Likewise.
2756 (parse_input): Likewise.
2758 * optabs.c (init_libfuncs): Likewise.
2760 * protoize.c (find_rightmost_formals_list): Likewise.
2762 * recog.h (const_double_operand): Fix typo in prototype.
2764 * tlink.c (scan_linker_output): Cast the argument of ctype
2765 function to `unsigned char'.
2767 * toplev.c (check_lang_option): Cast the result of `strlen' to
2768 `int' when comparing against one.
2770 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
2772 * gcse.c (dump_cuid_table): Correct typo.
2774 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
2776 * toplev.c (display_help): Prepend '-m' to target specific
2778 (check_lang_option): Ignore text after end of first word of a
2779 language specific option.
2781 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2783 * reload1.c (reg_used_by_pseudo): New static variable.
2784 (choose_reload_regs): Initialize it.
2785 Use it instead of testing spill_reg_order to determine whether a
2786 pseudo is live in a hard register across the current insn.
2787 Fix a typo in a reference to reload_reg_rtx.
2789 * flow.c (propagate_block): Replace code that computes and uses
2790 regs_sometimes_live with simpler code that just walks the set of
2791 currently live registers.
2793 * Makefile.in (insn-extract.o): Fix dependencies.
2794 * genextract.c (main): Generate includes for insn-config.h and
2796 Delete generation of declarations which are now in recog.h.
2797 * genrecog.c (main): Delete generation of definitions which are
2799 * local-alloc.c (block_alloc): Use extract_insn and the variables
2800 it sets up instead of looking up values by insn_code.
2801 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
2802 recog_dup_num): Define here instead of generating the definition in
2804 (recog_n_operands, recog_n_dups, recog_n_alternatives,
2805 recog_operand_mode, recog_constraints, recog_operand_address_p):
2807 (extract_insn): New function.
2808 * recog.h (extract_insn): Declare function.
2809 (which_alternative, recog_n_operands, recog_n_dups,
2810 recog_n_alternatives, recog_operand_mode, recog_constraints,
2811 recog_operand_address_p): Declare variables.
2812 * regclass.c (n_occurrences): New static function.
2813 * reload.c (n_occurrences): Delete function.
2814 (find_reloads): Use extract_insn.
2815 * reload.h (n_occurrences): Delete declaration.
2817 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
2819 * reload1.c (reload_as_needed): Fix test for when to call
2820 update_eliminable_offsets.
2822 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2824 Fix consistency problems with reg_equiv_{mem,address};
2825 Improve reload inheritance;
2827 * reload.c (reload_out_reg): New variable.
2828 (loc_mentioned_in_p, remove_address_replacements): New functions.
2829 (remove_replacements): Deleted.
2830 (push_reload): Set reload_out_reg[i].
2831 When merging, also set reload_{in,out}_reg[i], and remove
2832 duplicate address reloads.
2833 (combine_reloads): Copy reload_out_reg[i].
2834 (find_reloads): Do make_memloc substitution also when
2835 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
2837 Include *recog_operand_loc in commutativity operand changes.
2838 Generate optional output reloads.
2839 Delete reference to n_memlocs. Don't set *recog_operand_loc before
2840 processing operands. Call make_memloc in reg_equiv_address code.
2841 Set *recog_operand_loc only after processing operands, and only
2842 if replace is true. Return a value.
2843 When changing address reload types for operands that didn't get
2844 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
2845 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
2846 Don't emit USEs for pseudo SUBREGs when not replacing.
2847 (find_reloads_address): Do make_memloc substitution also when
2848 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
2850 (find_reloads_toplev): Likewise.
2851 Call make_memloc in reg_equiv_address code.
2852 (debug_reload_to_stream): Add code to output reload_out_reg.
2853 (make_memloc): Delete local variable i, ifdefed out code, and
2854 references to memlocs and n_memlocs.
2855 (memlocs, n_memlocs): Delete.
2856 (push_secondary_reload): Clear reload_out_reg.
2857 (find_reloads_address_1): Provide memrefloc argument to all calls
2858 to find_reloads_address.
2859 In AUTO_INC code, handle non-directly addressable equivalences properly.
2860 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
2861 (find_reloads): Add return type.
2862 (remove_address_replacements, deallocate_reload_reg): Declare.
2863 * reload1.c (num_not_at_initial_offset): No longer static.
2864 (delete_address_reloads, delete_address_reloads_1): Likewise.
2865 (deallocate_reload_reg): New function.
2866 (spill_reg_stored_to): New array.
2867 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
2868 (eliminate_regs_in_insn): Move assignments of previous_offset and
2869 max_offset fields, and recalculation of num_not_at_initial_offset
2870 into new static function:
2871 (update_eliminable_offsets) .
2872 (reload_as_needed): Call update_eliminable_offsetss after calling
2874 Call forget_old_reloads_1 with contents of reloaded auto_inc
2875 expressions if the actual addressing can't be changed to match the
2877 (choose_reload_regs): For inheritance, replace
2878 reload_reg_free_before_p test with reload_reg_used_at_all test, and
2879 remove stand-alone reload_reg_used_at_all test.
2880 Use reload_out_reg to determine which reload regs have output reloads.
2881 Treat reload_override_in more similar to inherited reloads.
2882 Handle (subreg (reg... for inheritance.
2883 For flag_expensive_optimizations, add an extra pass to remove
2884 unnecessary reloads from known working inheritance.
2885 Delete obsolete code for pseudos replaced with MEMs.
2886 Handle inheritance from auto_inc expressions.
2887 (emit_reload_insns): If reload_in is a MEM, set OLD to
2889 Don't reload directly from oldequiv; if it's a pseudo with a
2890 stack slot, use reload_in[j].
2891 Check that reload_in_reg[j] is a MEM before replacing reload_in
2892 from reg_reloaded_contents.
2893 Include non-spill registers in reload inheritance processing.
2894 Also try to use reload_out_reg to set spill_reg_store /
2895 reg_last_reload_reg.
2896 In code to set new_spill_reg_store, use single_set to find out if
2897 there is a single set.
2898 Add code that allows to delete optional output reloads.
2899 Add code to allow deletion of output reloads that use no spill reg.
2900 At the end, set reload_override_in to oldequiv.
2901 Also call delete_output_reload if reload_out_reg is equal to old
2903 Add code to call delete_output_reload for stores with no matching load.
2904 Set / use spill_reg_stored_to.
2905 Handle case where secondary output reload uses a temporary, but
2906 actual store isn't found.
2907 When looking for a store of a value not loaded in order to call
2908 delete_output_reload, count_occurences should return 0 for no
2909 loads; but discount inherited input reloadill_reg_stored_to.
2910 Do checks for extra uses of REG. Changed all
2912 Use delete_address_reloads.
2913 (reload): Take return value of find_reloads into account.
2914 If a no-op set needs more than one reload, delete it.
2915 (reload_reg_free_before_p): RELOAD_FOR_INPUT
2916 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
2917 for the same operand.
2918 (clear_reload_reg_in_use): Check for other reloads that keep a
2920 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
2921 RELOAD_FOR_OPADDR_ADDR.
2922 Take into account when an address address reload is only needed
2923 for the address reload we are considering.
2924 (count_occurrences): Use rtx_equal_p for MEMs.
2925 (inc_for_reload): Return instruction that stores into RELOADREG.
2926 New argument two, IN, and rtx. Changed all callers.
2927 (calculate_needs_all_insns, reload_as_needed):
2928 Don't clear after_call for a CLOBBER.
2929 Keep track of how many hard registers need to be copied from
2930 after_call, and don't clear after_call before we have seen
2931 that much copies, or we see a different instruction.
2933 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
2935 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
2936 after reload has completed.
2938 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
2940 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
2941 a macro name and the next token with a single blank if that whitespace
2942 is in a macro buffer and the next token is not '('.
2944 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
2946 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
2948 (skip_if_group): Ditto.
2949 (skip_to_end_of_comment): Ditto.
2951 (discard_comments): Ditto.
2952 (change_newlines): Ditto.
2954 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
2956 * c-lex.c (yylex): Fix unaligned access of wchar_t.
2958 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
2960 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
2961 (TARGET_OPTIONS): Add --help documentation.
2963 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2965 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
2967 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
2969 * fixinc/* Moved in from ../contrib directory in preparation
2970 for integrating it into the normal build process. In particular,
2971 fixinc/Makefile.in must be config-ed into the build directory
2972 as fixinc/Makefile. Proposed patches to ./Makefile.in and
2973 ./configure.in will be "in the mail" momentarily.
2975 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
2977 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
2978 accidently walk into the free list. Comment how that can happen.
2979 (invalidate): Fix indentation.
2981 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2982 Jeffrey A Law (law@cygnus.com)
2984 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
2985 reload. Never perform rescans of the insn chain after reload.
2986 (propagate_block): Do not delete insn or create new autoinc addressing
2989 * jump.c (jump_optimize): Unconditionally use the code that was
2990 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
2991 * reload1.c (reload): When reloading is finished, delete all
2992 REG_DEAD and REG_UNUSED notes.
2993 (emit_reload_insns): Delete all code that was conditional on
2994 PRESERVE_DEATH_INFO_REGNO_P.
2995 (no_longer_dead_regs): Delete variable.
2996 (reload_cse_delete_death_notes): Delete function.
2997 (reload_cse_no_longer_dead): Delete function.
2998 (reload_cse_regs_1): Delete all code to handle deletion of death
3000 (reload_cse_noop_set_p): Likewise.
3001 (reload_cse_simplify_set): Likewise.
3002 (reload_cse_simplify_operands): Likewise.
3003 (reload_cse_move2add): Likewise.
3004 * reorg.c (used_spill_regs): Delete declaration.
3005 (max_label_num_after_reload): Delete declaration.
3006 (find_dead_or_set_registers): Don't assume that spill regs are
3007 dead at a CODE_LABEL.
3008 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3010 * sched.c (sched_analyze_insn): Likewise.
3011 (update_flow_info): Likewise.
3012 * haifa-sched.c (sched_analyze_insn): Likewise.
3013 (update_flow_info): Likewise.
3014 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3015 * toplev.c (max_label_num_after_reload): Delete variable.
3016 (rest_of_compilation): Don't set max_label_num_after_reload.
3017 Call life_analysis after reload_cse_regs if optimizing.
3018 * config/gmicro/gmicro.h: Delete comment referring to
3019 PRESERVE_DEATH_INFO_REGNO_P.
3020 * config/i386/i386.h: Likewise.
3021 * config/m88k/m88k.h: Likewise.
3022 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3023 * config/sh/sh.h: Likewise.
3025 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3027 * loop.c (strength_reduce): Restore marking bct_p as
3029 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3030 HAVE_decrement_and_branch_on_count.
3031 (small_data_operand): Remove TARGET_ELF condition for marking
3032 parameters ATTRIBUTE_UNUSED.
3034 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3036 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3037 (SELECT_SECTION): Resync with svr4.h.
3039 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3041 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3044 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3046 * c-pragma.c (handle_pragma_token): Test for null tree before
3047 dereferencing TREE_CODE.
3049 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3051 * config/c4x/c4x.c: Convert to use GEN_INT.
3052 (c4x_parallel_process): Rework to handle new repeat loop structure.
3054 * config/c4x/c4x.md: Convert to use GEN_INT.
3055 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3056 (decrement_and_branch_on_count): Likewise.
3058 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3059 loop.c has the desired functionality.
3060 (rc_reg_operand): New prototype.
3062 * config/c4x/t-c4x: Can now build all front ends.
3064 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3066 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3068 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3070 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3071 * config/t-rtems: Do not install assert.h -- use newlib's.
3073 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3075 * combine.c (combine_instructions): When finished, call init_recog.
3076 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3078 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3080 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3082 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3084 * cppalloc.c (memory_full): Mark function prototype with
3087 * demangle.h (collect_exit): Likewise.
3089 * fix-header.c (v_fatal, fatal): Likewise.
3091 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3094 * gcov.c (print_usage): Likewise.
3096 * genattr.c (fatal, fancy_abort): Likewise.
3098 * genattrtab.c (fatal, fancy_abort): Likewise.
3100 * gencodes.c (fatal, fancy_abort): Likewise.
3102 * genconfig.c (fatal, fancy_abort): Likewise.
3104 * genemit.c (fatal, fancy_abort): Likewise.
3106 * genextract.c (fatal, fancy_abort): Likewise.
3108 * genflags.c (fatal, fancy_abort): Likewise.
3110 * genopinit.c (fatal, fancy_abort): Likewise.
3112 * genoutput.c (fatal, fancy_abort): Likewise.
3114 * genpeep.c (fatal, fancy_abort): Likewise.
3116 * genrecog.c (fatal, fancy_abort): Likewise.
3118 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3119 __sjpopnthrow, __throw): Likewise.
3121 * objc/objc-act.c (objc_fatal): Likewise.
3123 * protoize.c (usage, aux_info_corrupted,
3124 declare_source_confusing): Likewise.
3126 * rtl.c (dump_and_abort): Likewise.
3128 * rtl.h (sets_cc0_p): Likewise.
3130 * toplev.c (float_signal, pipe_closed): Likewise.
3132 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3134 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3135 when generating the decision tree for the general case.
3137 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3138 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3140 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3142 * Makefile.in (sched.o): Depend on recog.h.
3144 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3145 (unsigned) when comparing against one.
3146 (find_base_value): Likewise.
3147 (record_base_value): Cast variable `regno' to (unsigned) when
3148 comparing against one. Cast the result of REGNO() macro to
3149 (unsigned) when comparing against one.
3150 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3152 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3153 variable where an unsigned index is needed.
3155 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3156 before comparing against one.
3158 * collect2.c: Add prototypes for functions `error', `fatal' and
3159 `fatal_perror'. Make these functions take variable arguments
3160 instead of faking it with a fixed number of args.
3161 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3164 * combine.c (can_combine_p): Mark parameter `pred' with
3166 (find_split_point): Cast variable `src' to (unsigned
3167 HOST_WIDE_INT) when comparing against one.
3168 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3169 (simplify_logical): Likewise.
3170 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3171 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3172 HOST_WIDE_INT) in shift.
3173 (simplify_and_const_int): Cast result of INTVAL() macro to
3174 `unsigned HOST_WIDE_INT' when comparing against one.
3175 (merge_outer_ops): Cast variable const0 to `unsigned
3176 HOST_WIDE_INT' when comparing against the result of
3177 GET_MODE_MASK() macro.
3178 (simplify_comparison): Likewise for variable `c0'. Cast variable
3179 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3180 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3181 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3182 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3183 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3184 comparing against one.
3185 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3187 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3188 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3189 (output_block_move): Cast `sizeof' expression to (int) when
3190 comparing against one.
3191 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3193 (save_restore_insns): Cast `base_offset' to `long' to match format
3194 specifier in fprintf.
3196 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3197 to `enum machine_mode'.
3199 * flow.c (life_analysis_1): Remove unused variable `insn'.
3201 * gcc.c (translate_options): Move variables `j' and `k' into the
3202 scope in which they are used. Change their types to `size_t'.
3203 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3204 (read_specs): Likewise.
3205 (process_command): Cast `sizeof' to (int) when comparing against one.
3206 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3207 (handle_braces): Cast both sides of `==' expression to `long' to
3208 ensure sign matching.
3209 (main): Cast variable `i' to `int' when comparing against one.
3211 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3212 int to size_t. Cast variable `i' to size_t when comparing against
3215 * genattrtab.c (convert_set_attr_alternative): Remove unused
3216 parameter `insn_code'. All callers changed.
3217 (convert_set_attr): Likewise.
3219 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3220 size_t when comparing against one. Likewise for variable `len'.
3222 * global.c (global_alloc): Cast variable `max_regno' to size_t
3223 when comparing against one. Likewise for variable `max_allocno'.
3225 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3227 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3228 `set' with ATTRIBUTE_UNUSED.
3229 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3232 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3233 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3234 (get_condition): Cast variable `const_val' to `unsigned
3235 HOST_WIDE_INT' when comparing against one. Cast unsigned
3236 expression to HOST_WIDE_INT when comparing against one.
3237 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3238 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3239 `unsigned' when comparing against one.
3241 * protoize.c (is_id_char): Change type of parameter `ch' to
3243 (munge_compile_params): Cast argument of ctype macro to (const
3245 (process_aux_info_file): Cast variable `aux_info_size' to int when
3246 comparing against one.
3247 (forward_to_next_token_char): Cast argument of ctype macro to
3248 `const unsigned char'.
3249 (edit_formals_lists): Likewise.
3250 (find_rightmost_formals_list): Likewise.
3251 (add_local_decl): Likewise.
3252 (add_global_decls): Likewise.
3253 (edit_fn_definition): Likewise.
3254 (do_cleaning): Likewise.
3255 (scan_for_missed_items): Likewise.
3256 (edit_file): Cast variable `orig_size' to (int) when comparing
3258 (main): Cast argument of ctype macro to `const unsigned char'.
3260 * recog.c (const_int_operand): Mark parameter `mode' with
3263 * regclass.c (record_reg_classes): Change type of variable `c' to
3264 `unsigned char'. Cast `char' array index to `unsigned char'.
3266 * reload.c (push_secondary_reload): Cast argument to
3267 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3269 * reload1.c (calculate_needs): Cast `char' array index to
3271 (set_label_offsets): Change type of variable `i' to unsigned int.
3272 Cast result of XVECLEN() macro to unsigned when comparing against
3274 (mark_not_eliminable): Change type of variable `i' to unsigned.
3275 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3276 when comparing against one.
3277 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3278 comparing against one.
3279 (choose_reload_regs): Hide unused label `fail'.
3280 (reload_cse_simplify_operands): Cast `char' array index to
3282 (reload_combine_note_store): Mark parameter `set' with
3283 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3285 (reload_cse_move2add): Remove unused variable `src2'.
3287 * sched.c: Include recog.h.
3288 (sched_note_set): Remove unused parameter `b'. All callers
3290 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3291 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3292 when comparing against one.
3294 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3295 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3296 comparing against one.
3298 * unroll.c (precondition_loop_p): Remove unused parameter
3299 `loop_end'. All callers changed.
3301 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3303 * reload1.c (maybe_fix_stack_asms): New static function.
3306 * reload.h (compute_use_by_pseudos): Declare.
3308 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
3309 (something_needs_reloads): Delete variable.
3310 (finish_spills): New function.
3311 (compute_use_by_pseudos): New function.
3313 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
3314 Use the reload_insn_chain instead of walking the rtl directly.
3316 (reload): Allocate and free spilled_pseudos.
3317 Ensure that all calls of spill_hard_reg are followed by a call to
3319 Use the insns_need_reload list instead of something_needs_reloads
3320 to find out if reload_as_needed must be called.
3321 Clear unused_insn_chains at the end.
3323 (calculate_needs_all_insns): Lose FIRST parameter. All callers
3325 Delete code to keep track of current basic block.
3326 Walk reload_insn_chain instead of the rtl structure. Build the
3327 insns_need_reload chain.
3328 Remember which insns need reloading/elimination by setting the
3329 appropriate fields in struct insn_chain, not by putting modes on the
3332 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
3333 arg INSN. All callers changed.
3334 Delete declaration of struct needs.
3335 Don't set something_needs_reloads.
3336 Record insn needs in the CHAIN argument.
3338 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
3340 (reload_as_needed): Lose FIRST arg. All callers changed.
3341 Walk the reload_insn_chain instead of the rtx structure.
3342 Delete code to keep track of current basic block.
3343 Rename one of the NEXT variables to OLD_NEXT.
3345 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
3347 (choose_reload_regs): Likewise.
3349 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
3352 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
3353 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
3354 (hard_regs_live, hard_regs_need_restore): Delete variables.
3355 (n_regs_saved): Now static.
3356 (referenced_regs, this_insn_sets): New variables.
3358 (setup_save_areas): Restructure the code a bit.
3360 (restore_referenced_regs): Delete function.
3361 (mark_referenced_regs): New function, similar to the old
3362 restore_referenced_regs, but mark registers in referenced_regs.
3364 (clear_reg_live): Delete function.
3365 (mark_set_regs): Renamed from set_reg_live. All callers changed.
3366 Only mark registers in this_insn_sets.
3368 (save_call_clobbered_regs): Rework this function to walk the
3369 reload_insn_chain instead of using the list of instructions directly.
3370 Delete code to keep track of register lives, compute live regs on the
3371 fly from information in the chain.
3372 Instead of calling restore_referenced_regs, use mark_referenced_regs,
3373 then walk the set it computes and call insert_restore as appropriate.
3375 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
3377 Restructure the code a bit. Test hard_regs_saved instead of
3378 hard_regs_need_restore.
3379 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
3380 args. All callers changed.
3381 Restructure the code a bit. Use TO_SAVE to determine which regs to
3382 save instead of more complicated test.
3383 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
3385 Create a new insn_chain structure for the new insn and place it
3388 * rtl.texi: Update documentation to reflect that reload no longer
3389 puts modes on the insns.
3391 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3393 * function.c (purge_addressof_1): Force the first argument of a
3394 CALL insn to memory.
3396 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
3398 * rtl.h: Delete duplicate prototypes. Add some missing
3400 * rtlanal.c: (for_each_rtx): Formatting tweak.
3402 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3404 * real.c (emdnorm and etoasc): Disable round to even for c4x target
3405 to be compatible with TI compiler.
3407 * Makefile.in (USER_H): Add va-c4x.h to definition.
3409 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
3411 * function.c (purge_addressof_1): Fix typo in inequality: do
3412 bitfield optimization for equal mode sizes.
3413 * expmed.c (store_bit_field): Don't take subregs of subregs in
3414 the movstrict case. Tidy a potential problem in the multi-word case.
3415 (extract_bit_field): Likewise.
3417 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3419 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
3421 Compute max_uid_for_flow by calling get_max_uid after the scan.
3422 (find_basic_blocks_1): Don't emit NOPs here.
3424 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
3426 * alias.c (base_alias_check): Accept new args for the modes of the
3427 two references. Use them to determine if an AND can overlap. Update
3429 (memrefs_conflict_p): Assume sizes are aligned, and uses them
3430 to determine if an AND can overlap.
3432 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
3434 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
3435 check. Add comment to document problems with TARGET_SUN_FPA version
3437 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
3439 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3441 * Makefile.in (gencheck.o): Depend on gansidecl.h.
3443 * c-common.c (print_char_table): Add missing initializers.
3444 (scan_char_table): Likewise.
3445 (time_char_table): Likewise.
3447 * c-decl.c (c_decode_option): Mark parameter `argc' with
3449 (declare_parm_level): Mark parameter `definition_flag' with
3452 * c-lex.c (readescape): Use `(unsigned)1' in shift.
3453 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
3456 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
3458 (emit_call_1): Mark parameters `fndecl' and `funtype' with
3460 (expand_call): Cast result of MIN() to (unsigned int) when
3461 comparing against an unsigned value.
3463 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
3465 (make_definition): Remove unused parameter `op'. All callers
3467 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
3468 comparing against the result of pointer arithmetic.
3470 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
3471 when comparing against one.
3473 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
3474 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
3476 (output_die): Move variable `i' into the scope in which it is
3477 used. Change its type to `unsigned'.
3478 (output_die): Cast the result of `strlen' to (int) when passing it
3479 to ASM_OUTPUT_ASCII().
3480 (output_pubnames): Likewise.
3481 (output_line_info): Likewise.
3483 * emit-rtl.c (global_rtl): Add missing initializers.
3485 * explow.c (promote_mode): Mark parameter `for_call' with
3488 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
3489 `unsigned HOST_WIDE_INT' when comparing against one.
3490 (synth_mult): Change type of variable `cost' to int.
3491 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
3493 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
3494 when comparing against one.
3495 (get_inner_reference): Change variable `alignment' to unsigned.
3496 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
3497 int) when comparing against one.
3498 (expand_builtin_setjmp): Change type of variable `i' to size_t.
3500 * fold-const.c (div_and_round_double): Cast BASE to
3501 (HOST_WIDE_INT) when comparing against one.
3503 * gencheck.c: Include gansidecl.h.
3504 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
3506 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
3507 `tcode' with ATTRIBUTE_UNUSED.
3509 * real.c (edivm): Cast constant value to (unsigned long) in
3510 expression compared against an unsigned value.
3512 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
3513 comparing against one.
3514 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
3515 when comparing against one.
3517 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
3518 (unsigned int) when comparing against one. Likewise for
3520 (smallest_mode_for_size): Likewise.
3521 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
3522 (restore_storage_status): Likewise.
3524 * toplev.c (debug_args): Add missing initializer.
3525 (f_options): Spelling correction. Add missing initializers.
3526 (documented_lang_options): Likewise.
3527 (debug_end_source_file): Mark parameter `lineno' with
3530 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
3531 `decl' and `type' with ATTRIBUTE_UNUSED.
3533 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
3534 when comparing against one.
3535 (assemble_variable): Mark parameter `top_level' with
3537 (assemble_external_libcall): Mark parameter `fun' with
3539 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
3542 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
3544 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
3545 Replace use of r5 with use of r19.
3547 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
3549 * config/v850/v850.c (compute_register_save_size): Allow for the
3550 fact that helper functions save all registers, not just those used
3553 Replace constant 31 with macro LINK_POINTER_REGNUM.
3555 * config/v850/v850.md: Use 'indirect_operand' rather than
3556 'memory_operand' for bit test/set/clear patterns.
3558 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
3560 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
3561 * varasm.c (assemble_start_function et al): Don't call
3562 ASM_GLOBALIZE_LABEL for weak symbols.
3564 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
3566 * cse.c (equiv_constant): Check for NULL return from
3567 gen_lowpart_if_possible().
3569 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
3571 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
3573 * collect2.c (main): Pass -EL/-EB through to the compiler.
3575 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3577 * expr.c (push_block): Handle targets where the stack grows
3578 to higher addresses, but args grow to lower addresses and
3579 ACCUMULATE_OUTGOING_ARGS is not defined.
3581 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
3583 * config/v850/v850.c (print_operand): Extend meaning
3584 of 'c' operands to support .vtinherit.
3586 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3588 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
3589 Added ATTRIBUTE_UNUSED to unused function arguments.
3590 (rc_reg_operand): New predicate.
3591 (c4x_rptb_insert): New function.
3592 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
3593 (c4x_optimization_options): New function.
3595 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
3596 (decrement_and_branch_on_count): New pattern.
3597 (rptb_top): Modified pattern to work with BCT optimization.
3599 * config/c4x/c4x.h (RC_REG): New register class.
3600 (rc_reg_operand): Define prototype.
3601 (IS_RC_REG): New macro.
3602 (IS_RC_OR_PSEUDO_REG): New macro.
3603 (IS_RC_OR_PSEUDO_REGNO): New macro.
3604 (OPTIMIZATION_OPTIONS): Define.
3606 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
3608 * collect2.c (extract_init_priority): No priority is 65535.
3610 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3612 * Makefile.in (build_tooldir): new variable, same as old
3613 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
3614 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
3615 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
3617 * configure.in (gxx_include_dir): set default based on unlibsubdir
3618 * Makefile.in (tooldir): ditto
3619 (cccp.o, cpplib.o): use unlibsubdir implicitly through
3620 gxx_include_dir, includedir and tooldir
3621 (protoize.o, unprotoize.o): ditto
3623 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
3625 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
3627 * config/arm/thumb.c (thumb_override_options): Add warning about
3628 PIC code not being supported just yet.
3630 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
3632 * flow.c: Update comment.
3633 (notice_stack_pointer_modification): New static function.
3634 (record_volatile_insns): Use it.
3635 (mark_regs_live_at_end): Mark the stack pointer as alive
3636 at the end of the function if current_function_sp_is_unchanging
3638 (life_analysis_1): Set current_function_sp_is_unchanging.
3639 * function.c: Define it.
3640 (init_function_start): Initialize it.
3641 * output.h: Declare it.
3642 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
3643 the stack pointer as alive at the end of the function if
3644 current_function_sp_is_unchanging is set.
3645 * i386.c (ix86_epilogue): Optimize the restoring
3646 of the stack pointer.
3648 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
3650 * version.c: Bump for snapshot.
3652 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
3654 * c-pragma.c (handle_pragma_token): If passed a token instead
3655 of a tree, use that as the pack value.
3657 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
3659 * flow.c (find_basic_blocks_1): Fix prototype.
3661 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
3663 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
3664 (struct tree_decl): New fields no_check_memory_usage.
3665 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
3666 (init_attributes): Register it as a new attribute.
3667 (decl_attributes): Set flags on functions given that attribute.
3668 * c-decl.c (duplicate_decls): Merge new attribute.
3669 * expr.h (current_function_check_memory_usage): Declare new var.
3670 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
3671 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
3672 current_function_check_memory_usage.
3673 * function.h: Add field to struct function.
3674 * function.c (current_function_check_memory_usage): Define it.
3675 (push_function_context_to, pop_function_context_from): Save and
3677 (expand_function_start): Set it, based on global flag and function
3680 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
3681 check non-automatic variables, to permit detection of writes to
3682 read-only locations in embedded systems without memory management.
3683 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
3684 when emitting chkr_set_right_libfunc call, even if the argument is
3685 BLKmode or variable-sized; don't abort.
3687 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
3688 symbols in Pmode, not VOIDmode.
3690 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3692 * cppexp.c: When forcing unsigned comparisons, cast both sides
3695 * cpphash.h: Move static declaration of hashtab[]...
3696 * cpphash.c: ...here.
3698 * cpplib.c: Cast difference of two pointers to size_t before
3699 comparing it to size_t. Cast signed to unsigned
3700 before comparing to size_t. (FIXME: struct argdata should use
3701 unsigned buffer sizes.)
3702 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
3703 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
3704 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
3705 size_t before comparison.
3707 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
3709 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
3710 (find_basic_blocks_1): Similarly.
3711 * output.h (find_basic_blocks): Fix prototype.
3712 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
3713 find_basic_blocks anymore.
3715 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
3717 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
3718 (sbitmap_free, sbitmap_vector_free): New macros.
3719 * output.h (rtl_dump_file): Declare.
3721 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
3723 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
3725 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3727 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
3729 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
3730 (divide): Remove unused variable `tmp'.
3731 (si_to_float): Cast numeric constant to (SItype) before comparing
3734 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
3736 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
3737 * gcc.c (add_preprocessor_option): Correct typo when allocating
3738 memory, sizeof() argument had one too many `*'.
3739 (add_assembler_option): Likewise.
3740 (add_linker_option): Likewise.
3741 * gcov.c (output_data): Likewise.
3742 * local-alloc.c (memref_used_between_p): Likewise.
3743 (update_equiv_regs): Likewise.
3744 * loop.c (strength_reduce): Likewise.
3745 * reg-stack.c (record_asm_reg_life): Likewise.
3746 (subst_asm_stack_reg): Likewise.
3747 * reorg.c (dbr_schedule): Likewise.
3749 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3751 * flow.c (life_analysis_1): Break out some functions.
3752 (find_basic_blocks_1): Likewise. Also move some variables out and
3754 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
3755 new static var nonlocal_label_list with it.
3756 (active_eh_region, nested_eh_region, label_value_list,
3757 nonlocal_label_list): New static variables.
3758 (make_edges, delete_unreachable_blocks, delete_block): New static
3759 functions, broken out of find_basic_blocks_1.
3760 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
3761 noop_move_p): New static functions, broken out of life_analysis_1.
3763 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
3765 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
3766 Take extra care for op0 now possibly being a subreg.
3767 (extract_bit_field): Likewise.
3768 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
3769 the reg to memory if there is no equal sized integral mode.
3770 * stor-layout.c (int_mode_for_mode): New function.
3771 * machmode.h: Prototype it.
3773 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
3775 * global.c (build_insn_chain): Verify no real insns exist past the
3776 end of the last basic block, then exit the loop.
3778 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
3780 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
3782 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
3784 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
3786 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
3788 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
3790 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
3792 * flow.c (find_basic_blocks): Correctly determine when a call
3793 is within an exception region.
3795 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
3797 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
3799 * cpplib.h: Protect from multiple inclusions.
3800 * cpplib.c: Fix minor formatting problems.
3802 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
3804 * jump.c (jump_optimize): Revert accidental patch.
3806 * Makefile.in (cpplib.o): Use unlibsubdir.
3808 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
3810 * loop.c (get_condition): Allow combine when either compare is
3813 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
3815 * version.c: Bump for snapshot.
3817 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
3819 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
3820 (init_lex): Initialize ridpointers[RID_BYREF].
3821 * c-lex.h (enum rid): Add RID_BYREF.
3822 * c-parse.gperf: Add RID_BYREF as a type qualifier.
3823 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
3824 (encode_type_qualifiers): Similarly
3825 * c-gperf.h: Rebuilt.
3827 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
3829 * c-common.c (type_for_mode): Only return TItype nodes when
3830 HOST_BITS_PER_WIDE_INT is >= 64 bits.
3831 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
3832 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
3833 (init_decl_processing): Only create TItype nodes when
3834 HOST_BITS_PER_WIDE_INT is >= 64 bits.
3835 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
3836 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
3838 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3840 * stmt.c (n_occurrences): New static function.
3841 (expand_asm_operands): Verify that all constrains match in the
3842 number of alternatives.
3843 Verify that '+' or '=' are at the beginning of an output constraint.
3844 Don't allow '&' for input operands.
3845 Verify that '%' isn't written for the last operand.
3846 * reload.c (find_reloads): Abort if an asm is found with invalid
3847 constraints; all possible problems ought to be checked for earlier.
3849 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3851 * flags.h (flag_branch_on_count_reg): Always declare
3852 * toplev.c (flag_branch_on_count_reg): Likewise.
3853 * toplev.c: Fix typos.
3855 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
3858 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
3860 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
3862 (find_basic_blocks_1): Add a nop to the end of a basic block when
3863 a trailing call insn does not have abnormal control flow.
3864 * gcse.c (pre_transpout): New variable.
3865 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
3866 (compute_pre_transpout): Calculate it.
3867 (compute_pre_ppinout): Use it to eliminate impossible placements
3868 due to abnormal control flow through calls.
3869 (compute_pre_data): Call compute_pre_transpout.
3871 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3873 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
3875 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
3877 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
3878 and matching define_insns): Tack on a `use' of the table label, so
3879 flow analysis will recognize a tablejump.
3881 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
3883 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
3884 always end basic blocks for abnormal edge reasons.
3886 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
3888 * config/i386/i386.h: Remove definition of
3889 HANDLE_PRAGMA_PACK_PUSH_POP.
3891 * config/i386/go32.h: Add definition of
3892 HANDLE_PRAGMA_PACK_PUSH_POP.
3894 * config/i386/win32.h: Add definition of
3895 HANDLE_PRAGMA_PACK_PUSH_POP.
3897 * config/i386/cygwin32.h: Add definition of
3898 HANDLE_PRAGMA_PACK_PUSH_POP.
3900 * c-pragma.c (insert_pack_attributes): Do not insert
3901 attributes unless #pragma pack(push,<n>) is in effect.
3903 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
3905 * expr.c (emit_group_store): Handle a PARALLEL destination.
3907 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
3909 * gcse.c (pre_insert_insn): When a call ends a bb, insert
3910 the new insns before the argument regs are loaded.
3912 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3914 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
3915 (c-parse.gperf): Update comments describing invocation flags.
3916 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
3918 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
3920 * reload1.c (reload): Call free before clobbering the memory
3921 locations or constants pointers.
3923 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3925 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
3926 for efficiency by checking whether we need to modify the current
3927 stack permission at all.
3928 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
3929 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
3930 __enable_execute_stack libcall here too if
3931 TRANSFER_FROM_TRAMPOLINE is defined.
3932 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
3935 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
3937 * Makefile.in (DRIVER_DEFINES): Remove last change.
3939 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3941 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
3942 insns we're going to copy.
3943 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
3945 * loop.c (count_one_set): Add prototype.
3947 * caller-save.c (restore_referenced_regs): Lose mode argument.
3948 (insert_save): Lose mode argument.
3949 (insert_restore): Lose mode argument.
3950 (insert_one_insn): Lose mode argument.
3951 (save_call_clobbered_regs): Lose mode argument.
3952 (setup_save_areas): Take no argument and return void. All callers
3954 Don't verify validity of memory addresses.
3955 * reload.h (setup_save_ares): Adjust prototype.
3956 (save_call_clobbered_regs): Likewise.
3957 * reload1.c (delete_caller_save_insns): New function.
3958 (caller_save_spill_class): Delete variable.
3959 (caller_save_group_size): Delete variable.
3960 (reload): Call setup_save_areas and save_call_clobbered_regs
3961 in the main loop, before calling calculate_needs_all_insns.
3962 Don't call save_call_clobbered_regs after the loop.
3963 Call delete_caller_save_insns at the end of an iteration if
3965 Delete code to manage caller_save_spill_class.
3966 Emit the final note before setting reload_first_uid.
3967 Simplify test that determines whether reload_as_needed gets run.
3968 (calculate_needs): Delete code to manage caller_save_spill_class.
3970 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
3972 * collect2.c (main): Initialize ld_file_name.
3974 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
3976 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
3977 check for flag_function_sections.
3979 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3981 * cse.c (insert_regs): Fix bug in Sep 24 change.
3983 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3985 * flags.h (flag_dump_unnumbered): Declare.
3986 * toplev.c (flag_dump_unnumbered): Don't declare.
3987 * print-rtl.c (flags.h): Include.
3988 (print_rtl_single): Add return value.
3989 * rtl.h (print_rtl_single): Update declaration.
3990 * flow.c (flag_dump_unnumbered): Don't declare.
3991 (print_rtl_with_bb): Use return value of print_rtl_single.
3993 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3995 * loop.c (count_one_set): New static function, broken out of
3997 (count_loop_regs_set): Call it.
3998 * global.c (mark_reg_store): Handle clobbers here by not calling
4000 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4001 is in fact a clobber.
4002 * integrate.c (process_reg_param): New function, broken out of
4003 expand_inline_function.
4004 (expand_inline_function): Call it.
4007 * i386.md (addsidi3_1): Delete unused variable temp.
4008 (addsidi3_2): Likewise.
4009 (clstrstrsi): Delete unused variable addr1.
4011 * rtl.h: Don't declare any functions also declared in recog.h.
4013 * Makefile.in (stupid.o): Update dependencies.
4014 (global.o): Likewise.
4016 * global.c: Include reload.h
4017 (reg_becomes_live): New function.
4018 (reg_dies): New function.
4019 (build_insn_chain): New function.
4020 (global_alloc): Call build_insn_chain before calling reload.
4022 * reload.h (struct needs): New structure definition.
4023 (struct insn_chain): Likewise.
4024 (reload_insn_chain): Declare variable.
4025 (new_insn_chain): Declare function.
4028 * reload1.c (reload_startobj): New variable.
4029 (reload_insn_chain): New variable.
4030 (unused_insn_chains): New variable.
4031 (new_insn_chain): New function.
4032 (init_reload): Initialize reload_startobj, not reload_firstobj.
4033 (reload): Initialize reload_firstobj.
4034 Before returning, free everything on the reload_obstack.
4036 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4037 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4038 current_chain): New variables.
4039 (reg_where_born): Delete variable.
4040 (REG_WHERE_BORN): New macro.
4041 (find_clobbered_regs): New function.
4042 (stupid_life_analysis): Don't allocate/free reg_where_born.
4043 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4044 reg_where_dead_chain.
4045 Use REG_WHERE_BORN instead of reg_where_born.
4046 While processing the insns, build the reload_insn_chain with
4047 information about register lifetimes.
4048 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4049 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4051 Compute and information about birth and death of pseudo registers in
4052 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4053 Delete code to set elements of reg_where_born.
4055 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4057 * tree.def (GOTO_EXPR): Modified documentation.
4058 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4061 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4063 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4064 loop_final_value, loop_comparison_code): No longer static.
4065 (unroll_loop): Delete loop_start_value update.
4066 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4067 loop_final_value, loop_comparison_code): Extern.
4068 (loop_start_value): Delete extern.
4069 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4070 loop_comparison_value, loop_comparison_code): Delete.
4071 (loop_optimize): Remove initialization for deleted variables.
4072 (strength_reduce): Delete analyze_loop_iterations call. Only call
4073 insert_bct if flag_branch_count_on_reg set.
4074 (analyze_loop_iterations): Delete.
4075 (insert_bct): Remove iteration count calculation. Move checks for
4076 viable BCT optimization to here. Obtain iteration count from
4077 loop_iterations and correct for unrolling. Check for enough
4078 iteration to be beneficial. Comment out runtime iteration count
4080 (insert_bct): Print iteration count in dump file. Remove
4081 loop_var_mode and use word_mode directly.
4083 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4084 * rs6000.c (rs6000_override_options): Use it.
4085 (optimization_options): Enable use of flag_branch_on_count_reg.
4086 * rs6000.md (define_function_unit): Describe 604e.
4088 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4090 * loop.c (move_movables): Corrected threshold calculation for
4091 moved_once registers.
4093 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4095 * loop.c (combine_givs_p): Fix test for identical givs.
4097 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4099 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4100 call abort if the function is already defined.
4102 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4104 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4105 truncation is not a no-op.
4107 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4109 * version.c: Bump for snapshot.
4111 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4113 * version.c: Bump for snapshot.
4115 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4117 * expmed.c (expand_divmod): Don't widen for computing remainder
4118 if we seem to have a divmod pattern for needed mode.
4120 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4122 * cpplib.c (macroexpand): Correct off-by-one error in handling
4125 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4127 * combine.c (expand_field_assignment): Don't do bitwise operations
4128 on MODE_FLOAT; pun to MODE_INT if possible.
4130 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4131 scott snyder <snyder@d0sgif.fnal.gov>
4133 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4134 linker. Recognize mangled names in quotes.
4136 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4138 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4139 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4140 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4141 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4143 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4145 * function.c (purge_addressof_1): If trying to take a sub-word
4146 integral piece of a floating point mode, put it on the stack.
4148 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4150 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4152 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4154 * PROJECTS: Remove template friends.
4156 * collect2.c (sort_ids): Remove unused variable.
4158 * tm.texi (MATH_LIBRARY): Document.
4159 (NEED_MATH_LIBRARY): Remove.
4161 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4162 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4164 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4166 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4167 last_end to 0x7fffffff.
4169 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4171 * function.c (purge_addressof_1): Do not perform endianness
4172 corrections on bitpos, who we call will do it for us.
4174 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4176 * h8300.c (WORD_REG_USED): Fix typo.
4177 (initial_offset): Use WORD_REG_USED.
4179 * h8300.c (handle_pragma): Fix typo.
4181 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4183 * caller-save.c (insert_save_restore): Break this function up
4184 into new functions insert_restore, insert_save and insert_one_insn.
4185 All callers changed.
4186 (insert_restore): New function, mostly broken out of
4187 insert_save_restore.
4188 (insert_save): Likewise.
4189 (insert_one_insn): Likewise.
4190 (restore_referenced_regs): New argument BLOCK. All callers changed.
4191 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4192 in this function, do it in insert_one_insn instead.
4194 * reload1.c (reload): Break out some more pieces into separate
4196 (dump_needs): New function, broken out of reload.
4197 (set_initial_elim_offsets): Likewise.
4198 (init_elim_table): Likewise.
4199 (update_eliminables): Likewise.
4201 * global.c (global_alloc): Delete code to manage the scratch_list.
4202 * local-alloc.c (qty_scratch_rtx): Delete.
4203 (scratch_block): Delete.
4204 (scratch_list): Delete.
4205 (scratch_list_length): Delete.
4206 (scratch_index): Delete.
4207 (alloc_qty_for_scratch): Delete.
4208 (local-alloc): Update initialization of max_qty.
4209 Delete code to manage the scratch list.
4210 Delete code to allocate/initialize qty_scratch_rtx.
4211 (block_alloc): Don't allocate quantities for scratches.
4212 Delete code to manage the scratch list.
4213 * regs.h (scratch_list): Delete declaration.
4214 (scratch_block): Delete declaration.
4215 (scratch_list_length): Delete declaration.
4216 * reload1.c (reload): Delete code to manage the scratch list.
4217 (spill_hard_reg): Likewise.
4218 (mark_scratch_live): Delete.
4220 * recog.c (alter_subreg): Delete declaration.
4222 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4224 * Makefile.in (cccp.o): Fix typo in last patch.
4226 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4228 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4229 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4231 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4233 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4234 NULL_RTX as an argument.
4236 * Makefile.in (unlibsubdir): Define.
4237 (DRIVER_DEFINES): Use unlibsubdir.
4238 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4239 (stmp-fixinc): Similarly.
4241 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4243 * regmove.c (regmove_optimize): Add variable old_max_uid.
4244 At the end of the function, update basic_block_end.
4246 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4248 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4249 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4252 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4254 * config/arm/arm.c: Improve interworking support.
4256 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4258 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4259 copied from reload_out[r] .
4261 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4263 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4264 with more than three size ranges.
4266 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4268 * rtl.c (mode_name): Add a null string at the end of the array.
4269 (mode_wider_mode): Change type to unsigned char.
4270 (mode_mask_array): New variable.
4271 (init_rtl): Update for mode_wider_mode type change.
4273 * rtl.h (mode_wider_mode): Change type to unsigned char.
4274 (mode_mask_array): Declare.
4275 (GET_MODE_MASK): Use mode_mask_array.
4277 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4279 * calls.c (expand_call) : Encapsulate code into
4280 copy_blkmode_from_reg.
4281 * expr.c (copy_blkmode_from_reg): New function.
4282 * expr.h (copy_blkmode_from_reg): New function.
4283 * integrate.c (function_cannot_inline_p): We can inline
4285 (expand_inline_function): Use copy_blkmode_from_reg
4286 if needed. Avoid creating BLKmode REGs.
4287 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4290 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4292 * config/v850/v850.c: Add function prototypes.
4293 Add support for v850 special data areas.
4295 * config/v850/v850.h: Add support for v850 special data areas.
4297 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4298 HANDLE_PRAGMA_PACK_PUSH_POP.
4299 (push_alignment): New function: Cache an alignment requested
4300 by a #pragma pack(push,<n>).
4301 (pop_alignment): New function: Pop an alignment from the
4303 (insert_pack_attributes): New function: Generate __packed__
4304 and __aligned__ attributes for new decls whilst a #pragma pack
4306 (add_weak): New function: Cache a #pragma weak directive.
4307 (handle_pragma_token): Document calling conventions. Add
4308 support for #pragma pack(push,<n>) and #pragma pack (pop).
4310 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
4311 are defined enable HANDLE_PRAGMA_PACK.
4312 Move 'struct weak_syms' here (from varasm.c).
4313 Add pragma states for push and pop pragmas.
4315 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
4318 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
4319 HANDLE_GENERIC_PRAGMAS.
4321 * varasm.c: Move definition of 'struct weak_syms' into
4323 (handle_pragma_weak): Deleted.
4325 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4327 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4329 * c-decl.c (start_function): Add invocation of
4330 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
4332 * tm.texi: Remove description of non-existant macro
4333 SET_DEFAULT_SECTION_NAME.
4335 (HANDLE_SYSV_PRAGMA): Document.
4336 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
4338 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
4340 * config.sub: Recognize i[34567]86-pc-udk as new target.
4341 * configure.in: Likewise.
4342 * config/i386/t-udk: New file.
4343 * config/i386/udk.h: New file.
4345 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
4347 * reorg.c (check_annul_list_true_false): Remove unused variables.
4348 (steal_delay_list_from_target): Add missing "used_annul" variable.
4349 (try_merge_delay_insns): Close out half formed comment.
4351 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4353 * cpplib.c (macroexpand): If arg->raw_before or
4354 arg->raw_after, remove any no-reexpansion escape at the
4355 beginning of the pasted token. Correct handling of whitespace
4356 markers and no-reexpand markers at the end if arg->raw_after.
4358 * toplev.c (documented_lang_options): Recognize -include,
4359 -imacros, -iwithprefix, -iwithprefixbefore.
4360 * cpplib.c (cpp_start_read): Process -imacros and -include
4361 switches at the same time and in command-line order, after
4362 initializing the dependency-output code. Emit properly nested
4363 #line directives for them. Emit a #line for the main file
4364 before processing these switches, and don't do it again
4367 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
4369 * function.c (purge_addressof_1): Use bitfield manipulation
4370 routines to handle mem mode < reg mode.
4372 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4374 * reorg.c (try_merge_delay_insns): Account for resources referenced
4375 in each instruction in INSN's delay list before trying to eliminate
4376 useless instructions. Similarly when looking at a trial insn's delay
4379 * reorg.c (check_annul_list_true_false): New function.
4380 (steal_delay_list_from_{target,fallthrough}): Call it and also
4381 refine tests for when we may annul if already filled a slot.
4382 (fill_slots_from_thread): Likewise.
4383 (delete_from_delay_slot): Return newly-created thread.
4384 (try_merge_delay_isns): Use its new return value.
4386 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
4388 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
4389 used to compute a giv or as some other non-counting use.
4391 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4393 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4394 * local-alloc.c (find_free_reg): Use it.
4395 * global.c (find_reg): Likewise.
4396 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
4398 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
4399 * caller-save.c (init_caller_save): Use it.
4400 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
4402 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4404 * configure.in: Add --enable-cpplib option which uses cpplib
4405 for cpp, but doesn't link cpplib into cc1. Make help text
4406 capitalization consistent.
4407 * configure: Rebuilt.
4409 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
4411 * function.c (gen_mem_addressof): If the address REG is
4412 REG_USERVAR_P make the new REG be so also.
4413 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
4414 in an attempt to clarify slightly.
4416 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
4418 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
4419 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
4421 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
4423 * toplev.c: Fix last patch.
4425 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
4427 * loop.c (get_condition): Fix typo in May 9 change.
4429 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4431 * invoke.texi (-fexceptions): Merge 2 different descriptions.
4433 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4435 * toplev.c (documented_lang_options): Spelling corrections.
4437 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4439 * configure.in: new flags --with-ld and --with-as, equivalent
4440 to setting LD and AS environment variables. Test whether
4441 specified arguments are GNU commands, and report them with
4442 checking messages. Use the specified AS for configure
4445 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
4447 * gcc.c (find_a_file): when looking for `as' and `ld', return
4448 the DEFAULT program if it exists
4449 * collect2.c (main): use DEFAULT_LINKER if it exists
4451 * gcc.c (find_a_file): the test for existence of a full
4452 pathname was reversed
4454 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
4456 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
4457 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
4459 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
4461 * tree.h (TYPE_BINFO): Document.
4463 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
4465 * i386-coff.h (dbxcoff.h): Added.
4467 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
4469 * toplev.c: fix bad patch around flag_data_sections.
4471 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
4473 * reload1.c (reload): Use reload_address_index_reg_class and
4474 reload_address_base_reg_class when setting
4475 caller_save_spill_class. (Patch generated by Jim Wilson:
4478 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
4480 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
4481 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
4482 * expr.c (store_field): Add alias_set parameter. Set the
4483 MEM_ALIAS_SET accordingly, if the target is a MEM.
4484 (expand_assignment): Use it.
4485 (store_constructor_field): Pass 0.
4486 (expand_expr): Likewise.
4488 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
4490 * flags.h: Add flag_data_sections.
4491 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
4492 (compile_file): Error if flag_data_sections not supported.
4493 * varasm.c (assemble_variable): Handle flag_data_sections.
4494 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
4495 * config/mips/elf.h: Likewise.
4496 * config/mips/elf64.h: Likewise.
4497 * invoke.texi: Describe -fdata-sections.
4499 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
4501 * invoke.texi (-ffloat-store): Clarify that this option
4502 does not affect intermediate results -- only variables.
4504 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
4506 * cpp.texi: Update for Fortran usage from Craig.
4508 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4510 * rs6000.c (function_arg_boundary): Revert accidental change on
4513 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
4515 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
4516 (output_mi_thunk): Declare.
4518 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
4519 (output_function_profiler): Use r12 for temp, instead of r11 so
4520 that we preserve the static chain register.
4522 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
4524 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
4526 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4528 * sh.c (gen_shl_sext): Fix case 5.
4530 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4532 * reload1.c (reload_combine): Re-add line that got accidentally lost.
4534 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4536 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
4537 accessing variables until they are initialized via va_arg().
4539 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4541 * reload1.c (reload_combine): Initialize set before using.
4543 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
4545 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
4548 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
4550 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
4551 operand3 with mask before using it. Patch provided by Jim Wilson.
4553 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4555 * config/sparc/sparc.c (function_value): Perform the equivalent of
4556 PROMOTE_MODE for ARCH64.
4557 (eligible_for_epilogue_delay): Allow DImode operations in delay
4558 slot of a return for ARCH64.
4560 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4562 * sh.md (sqrtsf2): Fix mode of sqrt.
4564 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4566 * reload1.c (choose_reload_regs): Also try inheritance when
4567 reload_in is a stack slot of a pseudo, even if we already got a
4570 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4572 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
4573 (reload_cse_regs): New function body: call reload_cse_regs_1,
4574 reload_combine, reload_cse_move2add.
4575 When doing expensive_optimizations, call reload_cse_regs_1 a
4576 second time after reload_cse_move2add.
4577 (reload_combine, reload_combine_note_store): New functions.
4578 (reload_combine_note_use): New function.
4579 (reload_cse_move2add, move2add_note_store): New functions.
4581 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4583 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
4584 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
4586 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
4587 more than 3 such reloads.
4589 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
4590 RELOAD_FOR_X_ADDR_ADDR reload.
4592 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4594 * expr.c (store_constructor): When initializing a field that is smaller
4595 than a word, at the start of a word, try to widen it to a full word.
4597 * cse.c (cse_insn): When we are about to change a register,
4598 remove any invalid references to it.
4600 (remove_invalid_subreg_refs): New function.
4601 (mention_regs): Special treatment for SUBREGs.
4602 (insert_regs): Don't strip SUBREG for call to mention_regs.
4603 Check if reg_tick needs to be bumped up before that call.
4604 (lookup_as_function): Try to match known word_mode constants when
4605 looking for a norrower constant.
4606 (canon_hash): Special treatment for SUBREGs.
4608 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4610 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
4611 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
4612 defined, emit libcall to __enable_execute_stack. Also fix opcodes
4613 and offsets in actual stack trampoline code so they match the
4614 commentary and actually work.
4616 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4618 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
4620 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
4621 tmake_file. Set extra_parts to needed crt objects.
4622 * configure: Rebuilt.
4623 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
4624 (TARGET_DEFAULT): Set if default is v9 or ultra.
4625 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
4626 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
4627 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
4628 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
4629 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
4630 (TARGET_VERSION): Define.
4631 (MULTILIB_DEFAULT): Define.
4632 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
4633 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
4634 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
4636 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
4637 * config/sparc/sparc.c (sparc_override_options): If arch and
4638 pointer size disagree, emit diagnostic and fix it up. If
4639 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
4640 V8PLUS in 64-bit mode.
4641 * config/sparc/t-linux64: New file.
4642 * config/sparc/t-sol2-64: New file.
4643 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
4644 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
4645 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
4646 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
4647 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
4648 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
4650 (STARTFILE_SPEC): Set approriately based upon those.
4651 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
4652 disposition of DEFAULT_ARCH32_P.
4653 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
4654 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
4655 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
4656 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
4657 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
4659 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
4661 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
4663 * rtl.h (init_virtual_regs): New function.
4664 * emit-rtl.c (init_virtual_regs): Define.
4665 (insn_emit): Use it.
4666 * integrate.c (save_for_inline_copying): Likewise.
4668 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
4670 * config/arm/thumb.h: The following patches were made by Jim Wilson:
4671 (enum reg_class): Add NONARG_LO_REGS support.
4672 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4673 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
4674 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
4675 completes. Re-enable HImode REG+OFFSET addresses.
4676 (LEGITIMIZE_RELOAD_ADDRESS): Define.
4678 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
4680 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
4682 * alpha.c (get_aligned_mem): Revert Sep 20 change.
4683 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
4684 (alpha_align_insns): Properly calculate initial offset wrt max_align.
4686 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
4688 * arm.c (find_barrier): Revert change of Apr 23. Handle table
4689 jumps as a single entity, taking into account the size of the
4692 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4694 * tree.def (SWITCH_EXPR): New tree node definition.
4696 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
4698 * version.c: Bump for snapshot.
4700 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
4702 * version.c: Bump for snapshot.
4704 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
4706 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
4709 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
4711 * Revert this patch.
4712 * reload.c (find_reloads): Do not replace a pseudo with
4713 (MEM (reg_equiv_addr)) in the initializing insn for the
4716 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
4718 * final.c (final_scan_insn): Disable tracking CC across branches.
4720 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4722 * expr.h (eh_rtime_match_libfunc): New extern declaration.
4723 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
4724 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
4725 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
4726 NULL. Only include <stdio.h> if inhibit_libc is not defined.
4728 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
4730 * toplev.c (rest_of_compilation): Skip compiling anything with
4731 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
4733 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
4735 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
4736 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
4737 use in_libcall_block.
4738 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
4739 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
4742 Mon Sep 21 14:02:23 1998
4744 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
4745 typo in no-fancy-math-387 description.
4747 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
4749 * version.c: Bump for snapshot.
4751 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
4753 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
4755 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
4757 * i386.h: (TARGET_SWITCHES) Add description fields for flags
4758 documented in install.texi.
4759 (TARGET_OPTIONS) Likewise.
4761 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
4763 * version.c: Bump for snapshot.
4765 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
4767 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
4768 * cccp.c (main): Likewise.
4770 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
4771 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
4774 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
4776 * Makefile.in (LIBS): Link in libiberty.a.
4777 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
4779 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
4781 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
4782 it to update bb boundaries. Update caller.
4783 * function.c (reposition_prologue_and_epilogue_notes): Update
4784 bb boundaries wrt the moved note.
4786 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
4788 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
4790 * configure: Regenerate.
4792 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
4794 * alpha.c (alpha_sr_alias_set): New variable.
4795 (override_options): Set it.
4796 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
4797 (mode_mask_operand): Fix signed-unsigned comparision warning.
4798 (alpha_expand_block_move): Likewise.
4799 (print_operand): Likewise.
4800 (get_aligned_mem): Use change_address.
4801 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
4802 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
4803 (alphaev4_next_nop, alphaev5_next_nop): New functions.
4804 (alpha_align_insns): Remade from old alphaev5_align_insns
4805 to handle multiple processors.
4806 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
4807 * output.h (label_to_alignment): Prototype.
4809 * tree.c (new_alias_set): New function.
4810 * tree.h (new_alias_set): Declare it.
4811 * c-common.c (c_get_alias_set): Use it.
4813 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
4815 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
4816 to an ABS expr, convert an unsigned input to signed.
4818 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
4820 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
4822 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4824 * configure.in: Add support for c4x targets.
4825 * configure: Rebuilt.
4827 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
4829 * combine.c (distribute_notes): If an insn is a cc0 user, only
4830 delete it if we can also delete the cc0 setter.
4832 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
4834 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
4835 (invert_truthvalue): Enable truthvalue inversion for
4836 floating-point operands if -ffast-math.
4838 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
4840 * configure.in: Disable collect2 for nextstep. Instead use
4842 * configure: Rebuilt.
4843 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
4844 (ENDFILE_SPEC): Define.
4845 (OBJECT_FORMAT_MACHO): Define.
4846 (EH_FRAME_SECTION_ASM_OP): Define.
4847 * crtstuff.c: Handle MACHO.
4849 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
4851 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
4853 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
4855 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
4856 (_fpadd_parts): Get sign right for 0.
4858 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4860 * ginclude/varargs.h: Add support for C4x target.
4861 * ginclude/stdargs.h: Likewise.
4863 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
4865 * alpha.c (alpha_return_addr): SET should be VOIDmode.
4866 (alpha_emit_set_long_const): Rewrite to be callable from reload
4868 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
4869 * alpha.md (movdi): Likewise.
4871 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
4873 * arm.c (add_constant): New parameter address_only, change caller.
4874 Set it non-zero if taking the address of an item in the pool.
4875 (arm_reorg): Handle cases where we need the address of an item in
4878 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
4880 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
4881 memory addresses that are not in standard canonical form.
4883 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
4885 * README.C4X: New file with information about the c4x ports.
4886 * ginclude/va-c4x.h: New file for c4x varargs support.
4887 * config/c4x: New directory with c4x port files.
4889 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
4891 * reload.c (find_reloads): Do not replace a pseudo with
4892 (MEM (reg_equiv_addr)) in the initializing insn for the
4895 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
4897 * toplev.c (rest_of_compilation): Set bct_p on second call to
4899 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
4901 (strength_reduce): Only call analyze_loop_iterations and
4902 insert_bct if bct_p set.
4903 (check_dbra_loop): Fix typo.
4904 (insert_bct): Use word_mode instead of SImode.
4905 (instrument_loop_bct): Likewise. Do not delete iteration count
4906 condition code generation insn. Initialize iteration count before
4908 * rtl.h (loop_optimize): Update prototype.
4910 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
4911 not doubleword aligned.
4913 * rs6000.c (optimization_options): New function.
4914 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
4915 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
4916 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
4917 first; cr1 can be used for FP record condition insns.
4919 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
4921 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
4924 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
4927 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
4929 (block_move_call): New function: Call a library routine to copy a
4931 (m32r_expand_block_move): New function: Expand a "movstrsi"
4932 pattern into a sequence of insns.
4933 (m32r_output_block_move): New function: Expand a
4934 "movstrsi_internal" pattern into a sequence of assembler opcodes.
4935 (m32r_block_immediate_operand): New function: Return true if the
4936 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
4938 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4940 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
4942 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
4944 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4946 * regmove.c (copy_src_to_dest): Check that modes match.
4948 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
4950 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
4952 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
4954 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
4955 narrower than FLOAT_REGS.
4957 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4959 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
4961 * Makefile.in (old_gxx_include_dir): removed
4963 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
4965 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
4968 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
4969 (sh_handle_pragma): Change function arguments to match new
4970 specification for HANDLE_PRAGMA.
4972 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4974 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
4976 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
4977 When generating output, initialize missing struct member to zero.
4979 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4981 * regmove.c (copy_src_to_dest): Don't copy if that requires
4982 (a) new register(s).
4984 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4986 * global.c (reg_allocno): Now static.
4987 * reload1.c (reg_allocno): Delete declaration.
4988 (order_regs_for_reload): Take no arguments. Don't treat regs
4989 allocated by global differently than those allocated by local-alloc.
4991 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
4993 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
4994 condition, fix format strings.
4995 (output_function_epilogue): Likewise.
4997 * m68k/m68k.c: Don't include <stdlib.h> directly.
4999 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5001 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5002 mem_first_set, mem_last_set; because 0 can be a CUID.
5003 (oprs_unchanged_p): Use new definition.
5004 (record_last_reg_set_info): Likewise.
5005 (record_last_mem_set_info): Likewise.
5006 (compute_hash_table): Likewise.
5008 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5010 * rs6000.c (output_epilogue): Handle Chill.
5012 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5013 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5015 * combine.c (make_extraction): If no mode is specified for
5016 an operand of insv, extv, or extzv, default it to word_mode.
5017 (simplify_comparison): Similarly.
5018 * expmed.c (store_bit_field): Similarly.
5019 (extract_bit_field): Similarly.
5020 * function.c (fixup_var_regs_1): Similarly.
5021 * recog.c (validate_replace_rtx_1): Similarly.
5022 * mips.md (extv, extzv, insv expanders): Default modes for most
5023 operands. Handle TARGET_64BIT.
5024 (movdi_uld, movdi_usd): New patterns.
5026 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5027 equivalent memory location unless we have been provided a scratch
5028 register. Similarly do not call find_replacement unless a
5029 scratch register has been provided.
5031 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5033 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5036 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5038 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5039 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5040 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5041 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5042 * c-decl.c (init_decl_processing): Update accordingly.
5043 * expr.c (expand_builtin): Likewise.
5045 * rtl.h (global_rtl): Add cfa entry.
5046 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5047 (LAST_VIRTUAL_REGISTER): Update.
5048 * emit-rtl.c (global_rtl): Add cfa entry.
5049 (init_emit): Initialize it.
5050 * function.c (cfa_offset): New.
5051 (instantiate_virtual_regs): Initialize it.
5052 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5053 (expand_function_end): Call expand_eh_return.
5054 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5056 * except.c (current_function_eh_stub_label): Kill.
5057 (current_function_eh_old_stub_label): Likwise; update all references.
5058 (expand_builtin_set_return_addr_reg): Kill.
5059 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5060 (expand_builtin_set_eh_regs): Kill.
5061 (eh_regs): Produce a third reg for the actual handler address.
5062 (eh_return_context, eh_return_stack_adjust): New.
5063 (eh_return_handler, eh_return_stub_label): New.
5064 (init_eh_for_function): Initialize them.
5065 (expand_builtin_eh_return, expand_eh_return): New.
5066 * except.h: Update prototypes.
5067 * flow.c (find_basic_blocks_1): Update references to the stub label.
5068 * function.h (struct function): Kill stub label elements.
5070 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5071 register number is one that would be in the previous window.
5072 Provide a dummy definition for non-windowed targets.
5073 (get_reg_addr): New function.
5074 (get_reg, put_reg, copy_reg): Use it.
5075 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5076 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5078 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5079 (alpha_init_expanders): Initialize it.
5080 (alpha_expand_epilogue): Use it.
5081 * alpha.h: Declare it.
5082 * alpha.md (eh_epilogue): New.
5084 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5085 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5087 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5089 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5092 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5094 * except.h (struct eh_entry): Add false_label field.
5095 (end_catch_handler): Add prototype.
5096 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5097 (start_catch_handler): When using old style exceptions, issue
5098 runtime typematch code before continuing with the handler.
5099 (end_catch_handler): New function, generates label after handler
5100 if needed by older style exceptions.
5101 (expand_start_all_catch): No need to check for new style exceptions.
5102 (output_exception_table_entry): Only output the first handler label
5103 for old style exceptions.
5104 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5105 mechanism into one function, if a runtime matcher is provided.
5107 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5109 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5111 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5113 * integrate.c (copy_decl_list): Fix typo.
5115 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5117 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5120 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5122 * version.c: Bump for snapshot.
5124 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5126 * version.c: Bump for snapshot.
5128 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5130 * version.c: Bump for snapshot.
5132 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5134 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5136 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5138 * configure.in: remove usage of `!' to negate the result of a
5139 command; some common shells do not support it
5141 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5143 * configure.in: in sparc9-sol2 config, use 'if test' not
5145 * configure: Rebuilt.
5147 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5149 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5150 (CPP_CPU_DEFAULT_SPEC): Likewise.
5151 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5152 for arch64 libfuncs.
5154 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5157 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5159 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5161 * collect2.c: Don't declare `sys_siglist' here.
5162 (my_strsignal): Prototype and define new function. Use it in
5163 place of `sys_siglist' hacks.
5165 * mips_tfile.c: Likewise.
5167 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5168 (GCC_NEED_DECLARATIONS): Likewise.
5170 * system.h (strsignal): Prototype it, if necessary.
5171 (sys_siglist): Declare it, if necessary.
5173 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5175 * loop.c (move_movables): While removing insn sequences, preserve
5176 the next pointer of the most recently deleted insn when we skip
5179 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5181 * objc/config-lang.in: Do not output the name of the selected
5182 thread file when building the front-end. The Makefile for the
5183 runtime library will do this.
5185 * objc/Make-lang.in: Do not build the runtime library or install
5186 the Objective C header files. The Makefile for the runtime
5187 library will do this.
5189 * objc/Makefile.in (all.indirect): Only build the front-end.
5190 (compiler): Rename to `frontend'.
5191 (obj-runtime): Remove target.
5192 (copy-headers): Likewise.
5193 (clean): No need to remove `libobjc.a' any longer.
5195 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5197 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5198 supported with -mcpu=xxx.
5200 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5202 * flow.c (mark_set_1): Recognize multi-register structure return
5203 values in CALL insns.
5204 (mark_used_regs): Likewise.
5205 (count_reg_sets_1): Likewise.
5206 (count_reg_references): Likewise.
5207 * rtlanal.c (note_stores): Likewise.
5208 (reg_overlap_mentioned_p): Likewise.
5209 * haifa-sched.c (check_live_1): Likewise.
5210 (update_live_1): Likewise.
5211 (sched_analyze_1): Likewise.
5212 (sched_note_set): Likewise.
5213 (birthing_insn_p): Likewise.
5214 (attach_deaths): Likewise.
5216 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5219 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5221 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5223 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5225 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5227 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5229 * configure.in: Add check for GAS subsection -1 support.
5230 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5231 * configure config.in: Rebuilt.
5232 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5233 SImode is subsection -1 works, else use DImode.
5234 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5235 subsection -1 works.
5236 * config/sparc/sparc.c (sparc_output_addr_vec,
5237 sparc_output_addr_diff_vec): Use them if defined.
5239 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5241 * tree.h (DECL_ORIGIN): New macro.
5242 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5243 (copy_decl_list): Use it.
5244 (integrate_parm_decls): Likewise.
5245 (integrate_decl_tree): Likewise.
5246 * dwarf2out.c (decl_ultimate_origin): Simplify.
5247 * dwarfout.c (decl_ultimate_origin): Likewise.
5248 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5249 (pushdecl): Likewise.
5251 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5253 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5255 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5257 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5259 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5261 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5262 empty or has a single entry.
5264 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5265 before calling reg_to_stack.
5267 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5269 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5270 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5272 * c-tree.h (warn_long_long): Declare it.
5274 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5276 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5277 initialized float-int union if the value is a NaN.
5279 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5281 * c-lex.c (real_yylex): Don't warn about long long constants if
5282 we're allowing long long
5284 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5286 * except.h (current_function_eh_stub_label): Declare.
5287 (current_function_eh_old_stub_label): Declare.
5288 * function.h (struct function): New members eh_stub_label and
5290 * except.c (current_function_eh_stub_label): New variable.
5291 (current_function_eh_old_stub_label): New variable.
5292 (init_eh_for_function): Clear them.
5293 (save_eh_status): Save them.
5294 (restore_eh_status): Restore them.
5295 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5296 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5297 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5298 make an edge from the block that contains it to the block starting
5299 with the label if this label is one of the eh stub labels.
5300 If eh stub labels exist, show they are reachable from the last block
5303 * reload1.c (reload): Break out several subroutines and make some
5305 (calculate_needs_all_insns): New function, broken out of reload.
5306 (calculate_needs): Likewise.
5307 (find_reload_regs): Likewise.
5308 (find_group): Likewise.
5309 (find_tworeg_group): Likewise.
5310 (something_needs_reloads): New global variable, formerly in reload.
5311 (something_needs_elimination): Likewise.
5312 (caller_save_spill_class): Likewise.
5313 (caller_save_group_size): Likewise.
5314 (max_needs): Likewise.
5315 (group_size): Likewise.
5316 (max_groups): Likewise.
5317 (max_nongroups): Likewise.
5318 (group_mode): Likewise.
5319 (max_needs_insn): Likewise.
5320 (max_groups_insn): Likewise.
5321 (max_nongroups_insn): Likewise.
5322 (failure): Likewise.
5324 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
5326 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
5328 * loop.c (load_mems): Copy rtx for output mem.
5330 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
5332 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
5333 mips1 or mips2 either.
5335 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
5337 * pa.c (pa_reorg): New marking scheme for jumps inside switch
5339 (pa_adjust_insn_length): Update to work with new marking scheme
5340 for jumps inside switch tables.
5341 * pa.md (switch_jump): Remove pattern.
5342 (jump): Handle jumps inside jump tables.
5344 * Makefile.in (profile.o): Depend on insn-config.h
5346 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
5348 * iris6.h (DWARF2_UNWIND_INFO): Undef.
5350 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5352 Add preliminary native sparcv9 Solaris support.
5353 * configure.in: Recognize sparv9-*-solaris2*
5354 * configure: rebuilt
5355 * config.sub: Recognize sparcv9 just like sparc64.
5356 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
5357 config/sparc/sol2-cn.asm: Macroize so it can be shared between
5358 32-bit and 64-bit Solaris systems.
5359 * config/sparc/t-sol2: Assemble those with cpp.
5360 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
5361 (*TF*_LIBCALL): If ARCH64 use V9 names.
5362 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
5364 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5366 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
5367 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
5369 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
5371 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
5372 to Pmode if CASE_VECTOR_MODE is something else.
5374 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
5376 * prefix.c (update_path): Correctly handle cases where PATH is
5377 a substring of the builtin prefix, but specifies a different
5380 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
5382 * expr.c: Corrected comment about what MOVE_RATIO does.
5383 * config/alpha/alpha.h: Ditto.
5384 * config/1750a/1750a.h: Ditto.
5385 * config/clipper/clipper.h: Ditto.
5386 * config/i386/i386.h: Ditto.
5388 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
5390 * configure.in (m68k-next-nextstep3*): Use collect2.
5391 Similarly for x86 NeXT configurations.
5392 * configure: Rebuilt.
5394 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
5396 * configure.in: Don't assume srcdir is .../gcc
5397 * configure: Rebuilt.
5399 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
5401 * global.c: Update comments.
5402 (global_alloc): Assign allocation-numbers
5403 even for registers allocated by local_alloc in case
5404 they are later spilled and retry_global_alloc is called.
5405 (mark_reg_store, mark_reg_clobber,
5406 mark_reg_conflicts, mark_reg_death): Always record a
5407 conflict with a pseudo register even if it has been
5408 assigned to a hard register.
5409 (dump_conflicts): Don't list pseudo registers already assigned to
5410 a hard register as needing to be allocated, but do list their
5412 * local-alloc.c: Update comment.
5414 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
5416 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
5417 * configure: Rebuilt.
5419 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
5421 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
5423 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
5424 for all targets that set -msoft-float.
5426 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5428 * toplev.c (print_switch_values): Make static to match prototype.
5430 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
5432 * configure.in: If we are unable to find the "gnatbind" program,
5433 then do not configure the ada subdir.
5434 * configure: Rebuilt.
5436 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
5438 * version.c: Bump for snapshot.
5440 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
5442 * version.c: Bump for snapshot.
5444 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5446 * Makefile.in (toplev.o): Depend on $(EXPR_H).
5447 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
5449 * gansidecl.h: Define ATTRIBUTE_NORETURN.
5451 * genattrtab.c: Have insn-attrtab.c include toplev.h.
5453 * genextract.c: Have insn-extract.c include toplev.h.
5455 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
5457 * toplev.c: Include expr.h.
5458 (really_sorry, fancy_abort): Remove prototypes.
5459 (set_target_switch): Add argument in prototype.
5460 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
5461 (v_really_sorry): Likewise.
5462 (print_version, print_single_switch, print_switch_values): Make
5463 static and add prototype arguments.
5464 (decl_printable_name): Add prototype arguments.
5465 (lang_expand_expr_t): New typedef.
5466 (lang_expand_expr): Declare as a lang_expand_expr_t.
5467 (incomplete_decl_finalize_hook): Add prototype argument.
5468 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
5469 (botch): Likewise for variable `s'.
5470 (rest_of_type_compilation): Mark variables `type' and `toplev'
5471 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
5472 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
5473 (display_help): Make variable `i' an `unsigned long'.
5474 (main): Remove unused parameter `envp'.
5475 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
5476 Cast -1 when comparing it with a `size_t'.
5478 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
5479 prototype with ATTRIBUTE_NORETURN.
5480 (fatal_insn_not_found, fatal_insn, really_sorry,
5481 push_float_handler, pop_float_handler): Add prototypes.
5482 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
5483 (do_abort, botch): Add prototypes.
5485 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
5487 * final.c (final): If a label is reached only from a single jump,
5488 call NOTICE_UPDATE_CC on the jump and its predecessor before
5489 emitting the insn after the label.
5491 * i386.h: Add AMD K6 support.
5492 Change TARGET_* macros to use table lookup.
5493 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
5494 (ADJUST_COST): Change definition to call function in i386.c.
5495 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
5496 * i386.c: Add AMD K6 support.
5497 Add constants for feature tests used by TARGET_* macros.
5498 (split_di): If before reload, call gen_lowpart and gen_highpart.
5499 (x86_adjust_cost): New function.
5500 (put_jump_code): New function.
5501 (print_operand): New codes 'D' and 'd'.
5502 * i386.md: New insn types. New insn attribute "memory".
5503 Redefine scheduling parameters to use new types and add AMD K6
5504 support. Explicitly set type of most insns.
5505 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
5506 Pro and K6 prefer movl $1,reg to incl reg.
5507 (adddi3, subdi3): Set cc_status.
5508 (DImode shift patterns): Change label counters from HOST_WIDE_INT
5509 to int; x86 can't have more than 2^31 DImode shifts per file.
5510 (setcc): Combine all setcc patterns. Allow writing memory.
5511 Combine all jump patterns using match_operator.
5512 (*bzero): Name pattern. Emit mutliple stos instructions when that
5513 is faster than rep stos.
5514 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
5517 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
5519 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
5522 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
5524 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
5525 not whatever we're generating now.
5527 * alpha.c (set_frame_related_p, FRP): New.
5528 (alpha_expand_prologue): Mark frame related insns.
5529 (alpha_expand_epilogue): Likewise, but with a null FRP.
5530 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
5531 * alpha.md (exception_receiver): New.
5532 * alpha/crtbegin.asm (.eh_frame): New beginning.
5533 (__do_frame_setup, __do_frame_takedown): New.
5534 * alpha/crtend.asm (.eh_frame): New ending.
5535 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
5536 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
5537 (ASM_FILE_START): Don't emit .file for dwarf2.
5539 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
5540 * rtl.c (reg_note_name): Likewise.
5541 * rtl.texi (REG_NOTES): Likewise.
5542 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
5545 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
5547 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
5548 * i386.md (movsf, movdf, movxf): Validate memory address returned
5549 from force_const_mem. Kill useless REG_EQUAL setting code.
5551 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
5553 * m68k.md (zero_extendsidi2): Fix typo.
5555 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
5557 * configure.in: Removed references to the removed file
5558 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
5559 * arm*-*-netbsd* and ns32k-*-netbsd*.
5560 * config/i386/xm-netbsd.h: Removed unnecessary file.
5561 * config/m68k/xm-netbsd.h: Likewise.
5562 * config/sparc/xm-netbsd.h: Likewise.
5563 * config/mips/xm-netbsd.h: Likewise.
5565 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
5567 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
5568 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
5570 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
5571 for exact section attributions.
5573 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
5575 * i386/crtdll.h (CPP_PREDEFINES): Define.
5577 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
5579 * m68k.md (5200 movqi): Do not allow byte sized memory references
5581 * m68k.c (output_move_qimode): Do not use byte sized operations on
5584 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
5585 explicit rules for building. Similarly for alloca, vfprintf,
5586 choose-temp and mkstemp, getopt, getopt1, and obstack.
5587 (INCLUDES): Add $(srcdir)/../include.
5588 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
5589 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
5591 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
5593 * gcc.c (do_spec_1): [case 'o'] Account for
5594 lang_specific_extra_outfiles.
5595 (main): Correctly clear all slots in outfiles for
5596 lang_specific_extra_outfiles. Set input_file_number before
5597 calling lang_specific_pre_link.
5599 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
5601 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
5603 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5605 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
5607 (sparc_output_deferred_case_vectors): If no work to do, return.
5608 Fix thinko in Sept 1 change.
5610 1998-09-03 SL Baur <steve@altair.xemacs.org>
5612 * Makefile.in: add semicolon in BISON definition for portability.
5614 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
5616 * config/nextstep.c (handle_pragma): Correct name of third
5619 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
5621 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
5622 * config/m32r/m32r.h: Make register 17 be fixed.
5623 * config/m32r/m32r.c: Use SImode for cc operations.
5625 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
5627 * invoke.texi (Warning Options): Add -Wnon-template-friend
5630 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
5632 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
5634 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
5636 * rs6000.md (movsf): Disable explicit secondary-reload-like
5637 functionality if TARGET_POWERPC64.
5638 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
5641 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
5643 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
5644 and term.h from fixinc.wrap.
5646 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5648 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
5649 safe to include both string.h and strings.h together.
5650 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
5651 which headers to search for function declarations. Continue to
5652 prefer string.h over strings.h when both are not acceptable.
5654 * acconfig.h (STRING_WITH_STRINGS): Add stub.
5656 * configure.in: Call GCC_HEADER_STRING.
5658 * system.h: Test STRING_WITH_STRINGS when deciding which headers
5659 to include. Continue to prefer string.h over strings.h when both
5662 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5664 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
5665 not assume top 32-bits of symbolic addresses are zero if
5668 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
5670 * ginclude/va-alpha.h: Protect entire second portion of the
5671 file against double inclusion.
5673 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
5675 Added support for the Boehm's garbage collector.
5676 * configure.in: Handle --enable-objc-gc.
5677 * configure: Rebuilt.
5678 * Makefile.in (CHECK_TARGETS): Add check-objc.
5679 (check-objc): New rule.
5680 * objc/Make-lang.in: Build a different Objective-C library that
5681 runs with the Boehm's collector.
5682 * objc/encoding.c (objc_round_acc_size_for_types): New function.
5683 * objc/encoding.c: Correctly compute the size of compound types in
5684 the presence of bitfields. Skip the variable name of the type if
5685 any. Added support for long long.
5686 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
5687 (_F_GCINVISIBLE): New mask.
5688 * objc/gc.c: New file. Compute the type memory mask associated with
5689 a class based on the runtime information.
5690 * objc/misc.c: Added the hooks that use the Boehm's collector
5691 allocation functions.
5692 * objc/objc-act.c (build_class_template): Generate a new class
5693 member (gc_object_type) to hold the class' type memory mask.
5694 (build_shared_structure_initializer): Initialize the new member to
5696 (encode_complete_bitfield): New function. Generate the new
5698 (encode_field_decl): Generate the new encoding only for the GNU
5700 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
5702 (class_get_gc_object_type): New function to mark a pointer instance
5703 variable as a weak pointer.
5704 * objc/objc-features.texi: New file.
5705 * objc/objc.h (gc_object_type): New class member.
5706 * objc/objects.c (class_create_instance): Create a typed memory
5707 object when compiled with Boehm's collector support.
5708 * objc/sendmsg.c (__objc_init_install_dtable): Call
5709 __objc_send_initialize instead of setting the initialize flag.
5710 (__objc_send_initialize): Call __objc_generate_gc_type_description
5711 to generate the class type memory mask. Rewrite the code that
5712 sends the +initialize so that it is called only once (bug report
5713 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
5714 * testsuite/objc: New testsuite for Objective-C type encoding.
5715 * testsuite/lib/objc-torture.exp: New file.
5716 * testsuite/lib/objc.exp: New file.
5718 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
5720 * jump.c (jump_optimize): In if/then/else transformations, add
5721 another call to modified_between_p for the jump insn.
5723 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
5725 * fix-header.c (symlink): Treat like readlink.
5727 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5729 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
5732 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
5734 * config/nextstep.h: Update HANDLE_PRAGMA macro.
5735 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
5736 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
5738 * config/nextstep.c (handle_pragma): Take three arguments, as per
5739 the new HANDLE_PRAGMA macro specification.
5740 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
5741 per the new HANDLE_PRAGMA macro specification.
5742 * config/i960/i960.c (process_pragma): Take three arguments, as
5743 per the new HANDLE_PRAGMA macro specification.
5745 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
5747 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
5748 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
5749 if unknown pragmas are encountered.
5750 (handle_sysv_pragma): Interpret return code from
5751 handle_pragma_token (). Return success/failure indication rather
5752 than next unprocessed character.
5753 (pragma_getc): New function: retrieves characters from the
5754 input stream. Defined when HANDLE_PRAGMA is enabled.
5755 (pragma_ungetc): New function: replaces characters back into the
5756 input stream. Defined when HANDLE_PRAGMA is enabled.
5758 * c-pragma.c (handle_pragma_token): Return success/failure status
5761 * c-pragma.h: Change prototype of handle_pragma_token().
5763 * varasm.c: (handle_pragma_weak): Only create this function if
5764 HANDLE_PRAGMA_WEAK is defined.
5766 * c-common,c (decl_attributes): If defined call the expression
5767 contained within the INSERT_ATTRIBUTES macro before adding
5768 attributes to a decl.
5770 * tm.texi (HANDLE_PRAGMA): Document the new verion of
5771 HANDLE_PRAGMA, which takes three arguments.
5772 (INSERT_ATTRIBUTES): Document this new macro.
5774 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
5775 new INSERT_ATTRIBUTES macro.
5777 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5779 * config/sparc/sparc.md (movdf): Only generate special RTL for
5780 LABEL_REFs when PIC.
5781 (move_label_di): Remove
5782 (movdi_pic_label_ref, movdi_high_pic_label_ref,
5783 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
5784 references when PIC.
5785 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
5786 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
5787 output an .xword for all 64-bit cases.
5789 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5791 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
5792 alignment, use FUNCTION_BOUNDARY instead.
5793 (sparc_output_deferred_case_vectors): Likewise.
5795 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5797 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
5798 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
5800 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
5802 * alpha/va_list.h: New file.
5803 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
5805 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
5807 * NEWS: Add SCO Openserver and Unixware 7 notes.
5811 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
5813 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
5814 (record_constant_1): Handle RANGE_EXPR.
5816 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
5818 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
5819 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
5820 and NOTE_INSN_RANGE_END specially.
5821 (reemit_notes): Likewise.
5823 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5825 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
5826 (ultrasparc_sched_init): Remove unneeded &.
5828 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5830 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
5831 for m68020-60, to prevent the use of fintrz.
5833 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
5835 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
5837 * Makefile.in: Likewise.
5838 * configure: Regenerated.
5840 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
5842 * configure.in (gxx_include_dir): Changed to
5843 '${prefix}/include/g++'-${libstdcxx_interface}.
5844 * configure: Rebuilt.
5846 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
5848 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
5850 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
5851 *sequences* *below* which scalar moves will be used.
5853 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
5855 * collect2.c (mktemp): Delete unused declaration.
5857 * config/xm-netbsd.h: Remove unnecessary file.
5858 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
5859 file anymore, it is not needed.
5861 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
5863 * convert.c (convert_to_integer): Issue an error on conversions to
5866 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
5868 * Makefile.in: Add lang_tree_files and gencheck.h.
5869 * configure.in: Generate them.
5870 * gencheck.c: Include gencheck.h.
5872 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5874 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
5875 movdi_lo_sum_pic and movdi_high_pic and make visible.
5876 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
5877 emit these when Pmode is not SImode.
5878 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
5880 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
5882 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
5883 .linkonce directive after the first time.
5885 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
5887 * m68k.md (beq0_di): Generate correct (and more efficient) code when
5888 the clobbered operand overlaps with an input.
5889 (bne0_di): Similarly.
5891 * Makefile.in (INSTALL): Remove "--no-header" argument.
5893 * NEWS: Various updates.
5895 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5897 * config/sparc/sparc.c (arith_operand, const64_operand,
5898 const64_high_operand, arith_double_4096_operand): Mark mode as
5900 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
5902 (sparc_emit_set_const64): Remove unused variable i.
5903 (sparc_splitdi_legitimate): Likewise for addr_part.
5904 (ultra_code_from_mask): Likewise for mask.
5905 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
5906 reverse return values so it matches usage and comments.
5907 (ultra_flush_pipeline): Likewise.
5908 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
5909 this_type, and allow loads and stores of differing FP modes as
5910 they do not create a conflict.
5911 (ultra_find_type): Initialize fpmode to SFmode, fix
5912 parenthesization thinkos in large conditional.
5913 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
5914 Init free_slot_mask after ultra_cur_hist is reset, not before.
5915 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
5916 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
5917 use ultra_flush_pipeline instead, then re-init group pointer.
5918 Fix statement with no effect. If no progress made in, and no
5919 instructions scheduled at all, advance to new pipeline cycle else
5920 we get into an endless loop.
5921 (ultrasparc_adjust_cost): Remove previous arg.
5922 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
5924 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
5926 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
5927 code. Use reg_overlap_mentioned_p to detect when source and
5928 destination overlap.
5929 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
5931 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
5933 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
5934 COMPARISON_VAL, into invariant_p.
5936 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5938 * regmove.c (regclass_compatible_p): New function.
5939 (regmove_optimize): Use it.
5941 Use NREGS parameter insted of calling max_reg_num.
5943 (fixup_match_1): Don't use code = MINUS when later tieing with
5944 a hard register is likely.
5946 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5948 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
5949 COMPARISON_VAL was normalized.
5951 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
5953 * loop.c (check_dbra_loop): The loop ending comparison value
5954 must be an invariant or we can not reverse the loop.
5956 * loop.c (scan_loop): Count down from max_reg_num - 1 to
5957 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
5959 (load_mems_and_recount_loop_regs_set): Likewise.
5961 * i386.c (print_operand): Remove obsolete 'c' docs.
5963 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
5965 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
5966 * frame.c (init_object_mutex): New function.
5967 (init_object_mutex_once): Likewise.
5968 (find_fde): Call it.
5969 (__register_frame_info): Likewise.
5970 (__register_frame_info_table): Likewise.
5971 (__deregister_frame_info): Likewise.
5973 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
5975 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
5977 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5979 * loop.c (check_dbra_loop): Enable code for reversal
5980 of some loops without a known constant loop end.
5982 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
5984 * haifa-sched.c (last_clock_var): New.
5985 (schedule_block): Initialize it.
5986 (schedule_insn): Use it to fill insn modes with issue information.
5988 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
5989 Tag trapb and next insn with TImode.
5990 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
5991 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
5992 Invoke alphaev5_align_insns as appropriate.
5993 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
5994 (MD_SCHED_VARIABLE_ISSUE): New.
5995 * alpha.md (attr type): Add multi.
5996 (define_asm_attributes): New.
5997 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
5998 (arg_home): Likewise.
5999 (fnop, unop, realign): New.
6001 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6003 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6004 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6006 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6007 (rs6000-ibm-aix4.[12]*): Likewise.
6008 * configure: Regnerate.
6010 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6012 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6013 already contains the return address.
6015 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6017 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6018 word sized hunks when loading unaligned args into registers.
6020 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6021 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6023 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6025 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6027 * loop.c (check_dbra_loop): Add some code that would allow reversal
6028 of some loops without a known constant loop end if it were enabled.
6030 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6032 * mips.md (lshrsi3_internal2+2): Fix type-o.
6034 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6036 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6037 correctly with regards to stdio.h.
6039 * calls.c: Remove stdarg.h/varargs.h.
6042 * combine.c: Likewise.
6043 * cpperror.c: Likewise.
6044 * cpplib.c: Likewise.
6045 * cpplib.h: Likewise.
6046 * doprint.c: Likewise.
6047 * emit-rtl.c: Likewise.
6048 * final.c: Likewise.
6049 * fix-header.c: Likewise.
6051 * genattr.c: Likewise.
6052 * genattrtab.c: Likewise.
6053 * gencodes.c: Likewise.
6054 * genconfig.c: Likewise.
6055 * genemit.c: Likewise.
6056 * genextract.c: Likewise.
6057 * genflags.c: Likewise.
6058 * genopinit.c: Likewise.
6059 * genoutput.c: Likewise.
6060 * genpeep.c: Likewise.
6061 * genrecog.c: Likewise.
6062 * mips-tfile.c: Likewise.
6063 * prefix.c: Likewise.
6064 * protoize.c: Likewise.
6065 * regmove.c: Likewise.
6066 * toplev.c: Likewise.
6069 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6071 * config/sparc/sparc.c (sparc_override_options): If not
6072 TARGET_FPU, turn off TARGET_VIS.
6073 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6074 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6075 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6076 (movdi_insn_sp64): Add VIS fzero alternative.
6077 (clear_sf, clear_df): New VIS patterns.
6078 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6080 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6082 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6084 * loop.c (n_times_set, n_times_used, may_not_optimize,
6085 reg_single_usage): Convert to varrays. All uses changed.
6086 (insert_loop_mem): Return a value.
6087 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6088 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6091 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6094 * configure.in: Do not set thread_file to "irix" since no such
6097 * sparc.md (float abs/neg splits): Check reload_completed before
6098 calling alter_subreg.
6100 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6102 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6104 * config/sparc/sparc.h: Declare it.
6105 * config/sparc/sparc.md (float abs/neg splits): Use it.
6106 (all other splits): Handle SUBREGs properly where necessary.
6107 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6109 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6111 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6112 an insn on the unfilled_slots_list that has no delay slots.
6113 (fill_eager_delay_slots): Similarly.
6115 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6117 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6118 as an ordinary operand.
6120 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6122 * tree.c (valid_machine_attribute): Don't apply attributes to both
6125 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6127 * reload.c (operands_match_p): Handle rtvecs.
6129 * i386.c (legitimate_pic_address_disp_p): New.
6130 (legitimate_address_p): Use it.
6131 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6132 Handle constant pool symbols just like statics.
6133 (emit_pic_move): Use Pmode not SImode for clarity.
6134 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6135 [UNSPEC]: New, handling what we killed above.
6136 [PLUS]: Detect and abort on invalid symbol arithmetic.
6137 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6139 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6141 * alias.c: Include output.h.
6142 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6143 different if we're in a varargs function.
6144 * Makefile.in (alias.o): Depend on output.h
6146 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6148 * sh.h (GIV_SORT_CRITERION): Delete.
6150 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6152 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6153 * stupid.c (stupid_life_analysis): Ditto.
6154 * reload1.c (reload): Ditto.
6156 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6158 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6159 arith_double_4096_operand, arith_double_add_operand): New
6161 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6162 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6163 them to transform add/sub 4096 into add/sub -4096.
6165 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6167 * loop.c (scan_loop): Allocate some slop to handle pseudos
6168 generated by move_movables.
6169 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6172 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6174 * tree.def (DECL_RESULT): Correct documentation.
6176 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6178 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6179 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6180 conflicts will all RELOAD_FOR_OUTPUT reloads.
6182 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6183 loads the function result, substitute with a USE.
6185 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6187 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6188 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6189 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6190 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6191 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6192 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6194 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6195 'o' to 'm' for GPR variant constraints.
6197 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6199 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6201 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6203 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6204 when the source and destination overlap.
6206 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6207 clash with global type.
6209 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6211 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6213 * c-common.c (combine_strings): Also set TREE_READONLY.
6214 Change warn_write_strings to flag_const_strings.
6215 * c-decl.c, c-tree.h: Likewise.
6217 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6219 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6220 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6221 sequence, use SET/IOR instead so CSE can see it.
6222 * config/sparc/sparc.md (movhi_const64_special,
6223 movsi_const64_special): New patterns necessitated by that change.
6224 (movhi_high): Remove.
6225 (movhi_lo_sum): Change to match an IOR.
6226 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6227 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6228 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6229 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6230 registers are involved.
6231 (snesi_zero_extend split): Remove reload_completed test.
6232 (unnamed plus and minus zero_extend sidi splits): Add it.
6234 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6236 * extend.texi: Remove description of extension to explicit
6237 instantiation that is now endorsed by standard C++.
6239 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6241 * config/arc/arc.c (arc_initialize_pic): Remove.
6242 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6243 nothing on any platform and is invoked by no-one, it does not even
6244 appear in the documentation.
6245 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6246 * config/sparc/sparc.c (initialize_pic): Likewise.
6247 (find_addr_reg): Remove this as well, no longer referenced after
6250 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6252 * recog.c (validate_replace_rtx_group): New function.
6253 * recog.h (validate_replace_rtx_group): Declare it.
6254 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6255 the entire group of substitutions.
6257 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6259 * loop.c (load_mems): Fix initializers.
6261 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6263 * config/sparc/sparc.md (TFmode splits): Handle destination
6264 registers being referenced in the address correctly.
6266 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6267 TREE_UNSIGNED, when bitsize of type's mode is larger than
6268 HOST_BITS_PER_WIDE_INT.
6270 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6272 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6273 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6274 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6276 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6279 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6281 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6282 * h8300.h (TINY_DATA_NAME_P): Likewise.
6283 (STRIP_NAME_ENCODING): Handle '&'.
6285 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6286 register (it could be accessed via an outer SUBREG).
6287 (REG_OK_FOR_BASE_P): Likewwise.
6288 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6290 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6293 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6295 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6297 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6298 must be offsettable so the splits can be made.
6300 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6302 * config/i386/winnt.c: Include system.h, not stdio.h to get
6303 sys/param.h pulled in before rtl.h in case the system defines MIN
6306 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
6308 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
6310 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
6312 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
6314 * cpplib.c (cpp_define): Handle macros with parameters.
6316 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6318 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
6319 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
6320 and DImode 64-bit. Use llong for minimal-toc SFmode and
6321 SYMBOL_REF / LABEL_REF 64-bit.
6322 (output_function_profiler): Use llong for profiler label and ld to
6323 load 64-bit label address.
6325 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
6327 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
6330 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
6332 * version.c: Bump for snapshot.
6334 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
6336 * version.c: Bump for snapshot.
6338 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
6340 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
6342 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
6344 * tm.texi (Misc): Fix typo "teh".
6346 * tm.texi (PIC): Fix typo "PPIC".
6348 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
6349 effect when -O2 and higher.
6350 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
6352 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
6354 * regclass.c: Changed register set documentation to be consistent
6357 * final.c (final_start_function) Removed redundant test for
6360 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
6362 * rtl.h (rtx_function): New type.
6363 (for_each_rtx): New function.
6364 * rtlanal.c (for_each_rtx): Define it.
6366 * recog.c (change_t): New type.
6367 (change_objects, change_old_codes, change_locs, change_olds):
6369 (changes): New variable.
6370 (validate_change): Dynamically allocate room for more changes, if
6371 necessary. Uses changes array instead of change_objects, etc.
6372 (apply_change_group): Use changes array instead of
6373 change_objects, etc.
6375 * loop.c (loop_mem_info): New type.
6376 (loop_mems): New variable.
6377 (loop_mems_idx): Likewise.
6378 (looop_mems_allocated): Likewise.
6379 (scan_loop): Remove nregs parameter.
6380 (next_insn_in_loop): New function.
6381 (load_mems_and_recount_loop_regs_set): Likewise.
6382 (load_mems): Likewise.
6383 (insert_loop_mem): Likewise.
6384 (replace_loop_mem): Likewise.
6385 (replace_label): Likewise.
6386 (INSN_IN_RANGE_P): New macro.
6387 (loop_optimize): Don't pass max_reg_num() to scan_loop.
6388 (scan_loop): Remove nregs parameter, compute it after any new
6389 registers are created by load_mems. Use INSN_IN_RANGE_P and
6390 next_insn_in_loop rather than expanding them inline. Call
6391 load_mems to load memory into pseudos, if appropriate.
6392 (prescan_loop): Figure out whether or not there are jumps from the
6393 loop to targets other than the label immediately following the
6394 loop. Call insert_loop_mem to notice all the MEMs used in the
6395 loop, if it could be safe to pull MEMs into REGs for the duration
6397 (strength_reduce): Use next_insn_in_loop. Tweak comments.
6399 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
6401 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
6403 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6405 * config/sparc/sparc.c (finalize_pic): Check for the correct
6406 nonlocal_goto_receiver UNSPEC number.
6407 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
6408 making note of this dependency existing in sparc.c
6409 (negtf2_notv9 split): Give NEG SFmode.
6410 (negsf2): Fix insn output string.
6412 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
6414 * c-common.c (decl_attributes): Issue an error if the argument
6415 to alias is not a string.
6417 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
6419 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
6420 pending memory flush list.
6422 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
6424 (try_combine): Allow combining insns with REG_LIBCALL notes.
6426 * expr.c (emit_block_move): Do not call memcpy as a libcall
6427 instead build up a CALL_EXPR and call it like any other
6429 (clear_storage): Similarly for memset.
6431 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
6434 * Makefile.in (cplus-dem.o): Provide explicit rules for building
6437 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
6438 and REG_LIVE_LENGTH as successful substitutions are made.
6440 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6442 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
6443 statement after end of loop label.
6445 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6447 * config/sparc/sparc.c (ultra_types_avail): New variable.
6448 (ultra_build_types_avail): New function to record mask of insn
6449 types in ready list at this cycle.
6450 (ultrasparc_sched_reorder): Call it.
6451 (ultra_find_type): Use it to quicken the search. Also simplif
6452 dependency check, don't use rtx_equal_p because we know exactly
6453 what we are looking for.
6455 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
6457 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
6458 for architecture v4.
6460 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6462 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
6464 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
6465 movdf_const_intreg and helper splits): New patterns to move float
6466 constants into integer registers.
6467 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
6470 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
6473 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
6475 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
6477 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
6478 a BASE_REGS register is needed as an intermediate when copying
6479 a symbolic value into any register class other than BASE_REGS.
6481 * expr.c (move_by_pieces): No longer static. Remove prototype.
6482 * rtl.h (move_by_pieces): Add extern prototype.
6483 * mips.c (expand_block_move): Handle aligned straight line copy by
6484 calling move_by_pieces.
6486 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
6489 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
6491 * stmt.c (expand_end_loop): Tidy. Allow unconditional
6492 jumps out of the loop to be treated as part of the exit test.
6494 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6495 Jeff Law <law@cygnus.com>
6497 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
6498 * cplus-dem.c: Delete.
6500 * Makefile.in (fold-const.o): depend on $(RTL_H).
6502 * fold-const.c: Include rtl.h to get the prototype for
6503 `set_identifier_local_value'.
6505 * loop.c (express_from_1): Remove unused variable `tmp'.
6506 (combine_givs): cast the first argument of bzero to char *.
6508 * toplev.c (display_help): Remove unused variable `looking_for_start'.
6510 * c-decl.c (init_decl_processing): Remove unneeded &.
6512 * alpha.h (alpha_initialize_trampoline): Provide prototype.
6514 * except.c (set_exception_lang_code, set_exception_version_code):
6515 Change parameter from `short' to `int' to avoid using a gcc
6518 * except.h (set_exception_lang_code, set_exception_version_code):
6519 Likewise for prototypes.
6521 * flow.c (count_reg_references): Remove unused variables `regno'
6524 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
6526 * prefix.c (translate_name): Cast the result of `alloca'.
6528 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
6530 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6532 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
6534 (valid_dbcc_comparison_p): Mark mode argument as unused.
6535 (symbolic_operand): Likewise.
6536 (legitimize_pic_address): Likewise.
6537 (const_uint32_operand): Likewise.
6538 (const_sint32_operand): Likewise.
6539 * sched.c [!INSN_SCHEDULING]: Define only dummy function
6540 schedule_insns and comment out rest of file.
6542 * m68k.c (output_move_simode_const): Use subl to move a zero into an
6544 (output_move_[hq]imode): Likewise.
6546 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
6548 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
6549 * invoke.texi: Corresponding changes.
6551 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
6553 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
6555 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6557 * config/sparc/sparc.c (ultra_code_from_mask,
6558 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
6559 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
6560 ultrasparc_sched_init, ultrasparc_variable_issue,
6561 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
6562 functions to describe UltraSPARC pipeline exactly to Haifa.
6563 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
6564 as there is nothing the scheduler can do about it. Indicate that
6565 REG_DEP_OUTPUT's collide. Fixup formatting.
6566 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
6567 divide costs on Ultra for DImode.
6568 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
6570 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
6571 ieuN and add call_no_delay_slot to type list.
6572 (cti function unit): New unit for branches on UltraSPARC.
6573 (subx/addx insns): Set type to misc.
6574 (sidi zero/sign extension insns on arch64): Set type to shift.
6575 (sign_extendhidi2_insn): Set type to sload.
6577 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
6579 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
6580 (output_epilog): Use if != 0 for offset.
6581 (rs6000_fatal_bad_address): Prepare for Intl.
6582 * rs6000.h (rs6000_fatal_bad_address): Declare.
6583 * rs6000.md (movsfcc, movdfcc): Use else if.
6584 (elf_high): Use {liu|lis}.
6585 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
6586 (movsi): Use rs6000_fatal_bad_address.
6588 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
6590 * reload.c (find_equiv_reg): Reject equivalences separated
6591 by a volatile instruction.
6593 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6595 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
6597 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
6599 * alpha.md (movsicc): Fix mode mismatch.
6601 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
6603 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
6605 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
6607 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6609 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
6610 write-only modifier from operand 1 constraint.
6612 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6614 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
6615 emitting a XOR of -1 at the end, emit a NOT instead for combine's
6617 (sparc_emit_set_const64): Likewise, also when computing trailing
6618 bits do not negate low_bits and make fast_int an int.
6620 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
6622 * loop.c (add_label_notes): Do not ignore references to labels
6623 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
6624 * gcse.c (add_label_notes): Similarly.
6626 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
6628 * m68k.md (adddi_dilshr32): One of the operands must be a register.
6629 (adddi_dishl32): Similarly.
6631 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
6633 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
6634 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
6635 * cse.c (cse_basic_block): Add parens to shut up warnings.
6637 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6639 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
6640 sparc_emit_set_const64_longway, const64_is_2insns,
6641 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
6642 in 64-bit constant formation.
6643 * config/sparc/sparc.md (snesi_zero_extend split): Generate
6644 rtl for addx not subx.
6645 (define_insn movdi_const64_special): Make available even when
6646 HOST_BITS_PER_WIDE_INT is not 64.
6647 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
6648 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
6649 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
6650 instances of operand 1 inside a QI subreg.
6651 (xordi3_sp64_dbl): Remove '%' constraint for op1.
6652 (one_cmpldi2_sp64): Fix output string.
6653 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
6655 (unnamed arch64 ashift DI): Truncate shift count if greater than
6658 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6660 * expr.c (store_expr): Don't optimize away load-store pair
6661 when either source or destination have a side effect.
6663 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
6665 * genrecog.c (add_to_sequence): Fatal error if the modes of the
6666 operands of SET are incompatible.
6668 * alpha.md: Fix max and min patterns so modes of SET operands match.
6670 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
6672 * configure.in: Avoid [[ by using test and changequote.
6673 * configure: Rebuild.
6675 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6677 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
6679 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
6680 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
6681 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
6682 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
6683 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
6684 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
6685 Fix mismatching modes in SET operands.
6686 (conditional move patterns): Fix formatting.
6687 (unnamed subx arch64 pattern): Remove duplicate insn.
6689 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6691 * config/sparc/sparc.c (const64_operand, const64_high_operand):
6692 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
6693 (input_operand): Fixup test for what we accept for constant
6695 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
6697 (safe_constDI): Remove.
6698 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
6699 gen_safe_XOR64): New functions.
6700 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
6701 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
6703 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
6704 available when HOST_BITS_PER_WIDE_INT is not 64.
6705 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
6706 move before movdi_insn_sp64 pattern.
6707 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
6708 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
6709 symbolic_operand as predicate for second operand.
6710 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
6711 expander): Give set VOIDmode.
6713 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
6715 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
6717 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
6719 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
6721 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
6723 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
6725 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
6727 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
6729 * install.texi: Various SCO OpenServer tweaks.
6731 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
6733 * reload1.c (eliminate_regs_in_insn): Handle another case when
6734 eliminating the frame pointer to the hard frame pointer. Add
6735 missing ep->to_rtx check to one existing case.
6737 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
6739 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
6741 * tree.h: De-conditionalize init_priority code.
6743 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
6744 * collect2.c (NM_FLAGS): Change from -p to -n.
6746 * configure.in: Turn on collect2 for mipstx39-elf.
6747 Handle use_collect2=no properly.
6749 * c-common.c: De-conditionalize init_priority code.
6750 * collect2.c (extract_init_priority, sort_ids): New fns.
6751 (main): Call sort_ids.
6752 Move sequence_number to file scope.
6754 * configure.in: Handle --enable-init-priority.
6755 * c-common.c (attrs): Add A_INIT_PRIORITY.
6756 (init_attributes, decl_attributes): Likewise.
6757 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
6758 * tree.c (get_file_function_name_long): Split out...
6759 (get_file_function_name): ...from here.
6761 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
6763 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
6766 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
6768 * toplev.c (display_help): Add braces to shut up warnings.
6769 * tree.c (simple_cst_equal): Likewise.
6771 * fold-const.c (non_lvalue): Don't deal with null pointer
6773 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
6775 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
6776 of any size to a pointer.
6778 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
6780 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
6782 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
6784 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
6785 which will be saved.
6786 * mn10300.md (prologue insn): Only save registers which need saving.
6787 (epilogue insn): Similarly.
6789 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
6792 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
6794 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
6795 VAR_DECL's in gp addressable sections.
6797 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
6799 * sparc.c: Change return <exp> to <exp>; return; in functions
6801 * sparc.md: Add empty semicolon statement after final label in
6804 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6806 * config/sparc/sparc.md (define_insn addx_extend): Rename to
6807 addx_extend_sp64, only allow when TARGET_ARCH64.
6808 (define_insn addx_extend_sp32 and split): Version that works when
6810 (define_insn subx_extend): Likewise.
6811 (define_split adddi3 and subdi3 with zero extension): Fixup and
6812 correct bugs when not TARGET_ARCH64.
6814 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
6816 * except.c (set_exception_lang_code, set_exception_version_code):
6817 Use prototype-style definition if __STDC__, to match declaration
6820 * genemit.c: Change FAIL and DONE macros not to use loops.
6822 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
6824 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
6825 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
6827 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
6829 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
6831 * README.g77: Update from Craig.
6833 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6835 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
6837 (safe_constDI sparc_emit_set_const64_quick1,
6838 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
6839 analyze_64bit_constant, const64_is_2insns,
6840 create_simple_focus_bits): Fix some bugs when compiled on real
6842 (function_arg_record_value_3, function_arg_record_value_2,
6843 function_arg_record_value): Add fully prototyped forward decls.
6844 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
6845 to cmpsi_insn and use on both 64 and 32 bit targets.
6846 (define_insn cmpsi_insn_sp64): Remove.
6847 (define_expand zero_extendsidi2): Allow for 32-bit target too.
6848 (define_insn zero_extendsidi2_insn): Rename to
6849 zero_extendsidi2_insn_sp64.
6850 (define_insn zero_extendsidi2_insn_sp32): New pattern and
6851 assosciated forced split for it.
6853 * config/sparc/sparc.c (const64_operand, const64_high_operand):
6855 * config/sparc/sparc.h: Declare them.
6856 (PREDICATE_CODES): Add them.
6857 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
6858 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
6860 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
6862 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
6863 in v9 case as the latter makes the Solaris assembler crash.
6865 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6867 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
6868 for TFmode when !v9. We require offsettable memory addresses.
6869 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
6870 DFmode register number conversions.
6871 * config/sparc/sparc.md (define_split DFmode moves): If register
6872 is a SUBREG do alter_subreg on it before using.
6873 (define_expand movtf): Fixup comment about alignment on v9.
6874 (define_split TFmode moves): Don't use gen_{high,low}part, create
6875 explicit SUBREGs instead.
6877 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
6879 * Makefile.in (mbchar.o): Depend on mbchar.c.
6881 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6882 Richard Henderson <rth@cygnus.com>
6884 Rewrite Sparc backend for better code generation and
6885 improved sparc64 support.
6886 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
6888 * config/sparc/sysv4.h: Likewise.
6889 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
6890 move_operand, v8plus_regcmp_op, emit_move_sequence,
6891 singlemove_string, doublemove_string, mem_aligned_8,
6892 output_move_double, output_move_quad, output_fp_move_double,
6893 move_quad_direction, output_fp_move_quad, output_scc_insn):
6895 (small_int_or_double): New predicate.
6896 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
6897 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
6898 old pic_{sethi,lo_sum}_si patterns.
6899 (mem_min_alignment): New generic function to replace
6900 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
6901 available and can test for arbitrary alignments. All callers
6903 (save_regs, restore_regs, build_big_number,
6904 output_function_prologue, output_cbranch, output_return,
6905 sparc_flat_save_restore, sparc_flat_output_function_prologue,
6906 sparc_flat_output_function_epilogue): Prettify
6908 (output_function_epilogue): Likewise and add code to output
6909 deferred case vectors.
6910 (output_v9branch): Likewise, add new arg INSN and use it to tack
6911 on branch prediction settings. All callers changed.
6912 (print_operand): Likewise and output %l44 for LO_SUMs when
6914 (sparc_splitdi_legitimate): New function to make sure DImode
6915 splits can be run properly when !arch64.
6916 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
6917 Reformat example code in comments.
6918 (set_extends): Remove UNSPEC/v8plus_clear_high case.
6919 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
6920 of deferred case vectors we need to output.
6921 (sparc_defer_case_vector): Record a case vector.
6922 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
6923 sparc_output_deferred_case_vectors): New functions to output them.
6924 (sparc_emit_set_const32): New function to form 32-bit constants in
6925 registers when that requires more than one instruction.
6926 (safe_constDI, sparc_emit_set_const64_quick1,
6927 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
6928 analyze_64bit_constant, const64_is_2insns,
6929 create_simple_focus_bits, sparc_emit_set_const64): New functions
6930 which do the same for 64-bit constants when arch64.
6931 (sparc_emit_set_symbolic_const64): New function to emit address
6932 loading for all code models on v9.
6933 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
6934 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
6935 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
6936 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
6937 inaccuracies in comments, add symbolic and text_segment operands
6938 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
6939 GENERAL_REGS in these cases as a temp REG is needed to load these
6940 addresses into a register properly.
6941 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
6943 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
6944 quads are guarenteed to have 16-byte alignment.
6945 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
6946 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
6947 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
6948 deferred case vector implementation.
6949 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
6950 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
6951 Generate "internal label - label" instead of "label - 1b".
6952 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
6953 (PREDICATE_CODES): Remove sparc_operand, move_operand,
6954 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
6956 (doublemove_string, output_block_move, output_fp_move_double,
6957 output_fp_move_quad, output_move_double, output_move_quad,
6958 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
6959 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
6960 (sparc_emit_set_const32, sparc_emit_set_const64,
6961 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
6962 mem_min_alignment, small_int_or_double): Add externs.
6963 * config/sparc/sparc.md: Document the many uses of UNSPEC and
6964 UNSPEC_VOLATILE in this backend.
6965 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
6966 unary to types which execute in it.
6967 (define_function_unit ieu_shift): Rename to ieu0.
6968 (define_function_unit ieu1): New, executes compare, call, and
6969 uncond_branch type insns.
6970 (define_function_units for type fdivs, fdivd, fsqrt): These
6971 execute in the fpu multiply unit not the adder on UltraSparc.
6972 (define_expand cmpdi): Disallow TARGET_V8PLUS.
6973 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
6974 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
6975 allows the arith_double_operand predicate and rHI constraint when
6977 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
6978 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
6979 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
6980 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
6981 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
6982 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
6983 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
6984 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
6985 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
6986 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
6987 sign_extendqihi2_insn, sign_extendqisi2_insn,
6988 sign_extendqidi2_insn, sign_extendhidi2_insn,
6989 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
6990 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
6991 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
6992 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
6993 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
6994 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
6995 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
6996 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
6997 smulsi3_highpart_v8plus, unnamed subreg mult,
6998 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
6999 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7000 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7001 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7002 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7003 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7004 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7005 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7006 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7007 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7008 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7009 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7010 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7011 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7012 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7013 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7014 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7015 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7016 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7017 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7018 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7019 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7020 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7021 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7022 call_address_untyped_struct_value_sp32,
7023 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7024 call_value_symbolic_sp32, call_value_address_sp64,
7025 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7026 flush_register_windows, goto_handler_and_restore,
7027 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7028 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7029 return_addsi, return_di, return_adddi, return_sf, all call+jump
7030 peepholes, trap, unnamed trap insns): Prettify output strings.
7031 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7032 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7033 Likewise and force + implement splits for integer cases.
7034 (define_insn return_sf_no_fpu): Likewise and allow to match when
7035 no-fpu because of our subreg SFmode splits.
7036 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7037 zero_extendqidi2_insn, zero_extendhidi2_insn,
7038 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7039 input_operand for second operand.
7040 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7041 reg_or_0_operand for operand 2 so new splits can use it.
7042 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7043 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7045 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7046 CONST_DOUBLEs for operand 2.
7047 (define_insn move_label_di): Likewise and label distance
7048 optimization because it no longer works with new deferred case
7049 vector scheme. To be revisited.
7050 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7051 and allow reg_or_0_operand and J constraint for second operand.
7052 (define_insn jump): Set branch predict taken on V9.
7053 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7054 new deferred case vector scheme.
7055 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7056 (define_insn negdi2_sp32): Force + implement splits.
7057 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7058 one_cmplsi2_not_liveg0 respectively, and create expander of original
7059 names which emit special rtl for TARGET_LIVE_G0.
7060 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7061 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7062 gen_compare_reg, FAIL instead.
7063 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7064 values when trying to reverse condition codes, if they FAIL then
7066 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7067 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7068 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7069 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7070 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7071 set output string to # to indicate they are mandatory splits.
7072 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7073 pic_sethi_di, move_pic_label_si): Remove.
7074 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7075 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7077 (define_expand movsi_pic_label_ref, define_insn
7078 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7079 expander and insns to handle PIC label references and deferred
7081 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7083 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7084 Rewrite to not use emit_move_sequence, make use of new constant
7085 formation code, and new splits for all multi-insn cases.
7086 (define_insn movqi_insn): Remove sethi case, it can never happen.
7087 Use reg_or_zero_operand instead of const0_rtx explicit test,
7088 use input_operand instead of move_operand for source, and use
7089 general_operand now for dest.
7090 (define_insn movhi_insn): Similar but leave sethi case.
7091 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7092 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7093 movhi_lo_sum respectively, prettify output string.
7094 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7095 register when needed on TARGET_LIVE_G0.
7096 (define_insn movsi_insn): Use general_operand and input_operand
7097 for dest and src respectively. Simplify applicability test.
7098 Prettify output strings, and add clr alternative for J
7100 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7101 deprecated std and reg-reg DI moves): Remove and...
7102 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7103 implementation which uses forced splits for all non-single insn
7105 (define_split DI move cases on !arch64): New splits to handle all
7106 situations of 64-bit double register DImode on 32bit, and
7107 unaligned registers and memory addresses for all subtargets.
7108 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7110 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7111 input_operand for dest and src respectively, prettify output
7113 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7114 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7116 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7117 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7118 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7119 movtf_no_e_insn_sp64) Replace with new
7120 implementation which uses forced splits for all non-single insn
7122 (define_split DF move cases): New splits in similar vein to DI
7124 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7125 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7126 movdi_sp64_insn): Remove old v9 code model and constant loading
7128 (define_insn pic_lo_sum_di, pic_sethi_di,
7129 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7130 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7131 embmedany_sethi, embmedany_losum, embmedany_brsum,
7132 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7133 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7134 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7135 scheme, using unspecs, secondary reloads, and one to one sparc
7136 insn to rtl insn mapping for better scheduling and code gen.
7137 (define_expand reload_indi, reload_outdi): Reload helpers for
7138 MEDANY and EMBMEDANY symbol address loading cases which require a
7140 (define_expand movsicc): Remove v8plus_regcmp cases.
7141 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7142 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7143 cmp_diqi_trunc_set): New patterns used by some of the new scc
7145 (define_insn xordi3_sp64_dbl): New pattern used for constant
7146 formation when crossing from 32-bit targets.
7147 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7149 (define_insn addx, subx): Make visible and prettify.
7150 (define_insn adddi3_insn_sp32): Likewise and force split.
7151 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7152 64bit scc split usage.
7153 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7154 zero_extend, subdi3): Force and implement splits.
7156 * final.c (final_scan_insn): Don't output labels if target
7157 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7160 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7161 don't forget to walk inside SEQUENCESs too as these are what the
7162 delay slot scheduler will create.
7164 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7166 * alpha.md (extxl+1,+2): New patterns to work around
7169 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7171 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7172 caused bad assembly code to be generated.
7174 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7176 * netbsd.h: Fix typo.
7178 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7180 * config.sub: Fix typo.
7182 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7184 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7186 (Running Protoize): Typo: Change "ther" into "other".
7188 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7190 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7191 * m68k/netbsd.h: Likewise.
7192 * ns32k/netbsd.h: Likewise.
7193 * sparc/netbsd.h: Likewise.
7195 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7197 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7198 * ginclude/va-clipper.h (va_list): Likewise.
7200 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7202 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7203 load/store multiple instructions unless user overrides.
7205 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7207 * ns32k/netbsd.h: Fix typo.
7209 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7211 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7212 labels with .debugsym if no parallel insns.
7214 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7216 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7217 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7219 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7221 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7222 (AR_FOR_TARGET): Define.
7224 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7226 * dyn-string.h: New file.
7227 * dyn-string.c: Likewise.
7228 * Makefile.in (OBJS): Add dyn-string.o.
7229 (dwarf2out.o): Add dyn-string.h dependency.
7230 (dyn-string.o): List dependencies.
7231 * dwarf2out.c: Include dyn-string.h.
7232 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7233 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7234 prototype. Use dyn_string_append rather than strcat, throughout.
7235 (addr_to_string): Use dyn_string_t.
7237 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7239 Function entry/exit profiling instrumentation:
7240 * expr.h (profile_function_entry_libfunc,
7241 profile_function_exit_libfunc): Declare new variables.
7242 * optabs.c: Define them here.
7243 (init_optabs): Initialize them.
7244 * tree.h (struct tree_decl): New flag
7245 no_instrument_function_entry_exit.
7246 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7247 * c-decl.c (duplicate_decls): Merge it.
7248 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7249 (init_attributes): Use it for "no_instrument_function".
7250 (decl_attributes): Handle it, for functions that have not yet been
7251 compiled. Set decl flag.
7252 * flags.h (flag_instrument_function_entry_exit): Declare new
7254 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7255 (f_options): New option "instrument-functions".
7256 * function.h (struct function): New field instrument_entry_exit.
7257 * function.c (current_function_instrument_entry_exit): New
7259 (push_function_context_to, pop_function_context_from): Save and
7261 (expand_function_start): Set current_ variable, maybe emit return
7262 label and entry profile call.
7263 (expand_function_end): Maybe emit exit profile call.
7265 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7267 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7268 NON_QI_REG_P, pretend the register is SImode.
7270 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7272 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7273 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7274 manufacturer id for ns32k.
7275 * configure: Regenerated.
7276 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7277 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7278 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7279 * config/m68k/netbsd.h: Same.
7280 * config/ns32k/netbsd.h: Same.
7281 * config/sparc/netbsd.h: Same.
7283 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7285 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7286 or UNROLL_COMPLETELY loop that starts with a jump to its
7289 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7291 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7292 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7293 (print_operand, case 'B'): Don't fall through.
7294 (print_operand, case 'S'): Correct mask begin/end computation.
7295 Use HOST_BITS_PER_WIDE_INT.
7296 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7297 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7298 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7299 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7301 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7303 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7304 constraint from second alternative.
7306 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7308 * configure.in: Fix --without/--disable cases for local-prefix,
7309 gxx-include-dir and checking.
7311 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7313 * configure.in (enable_haifa): Set by default for sparc64 too.
7316 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7318 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
7319 * i386/winnt.c (associated_type): New fn.
7320 (i386_pe_valid_type_attribute_p): New fn.
7321 (i386_pe_check_vtable_importexport): Remove.
7322 (i386_pe_dllexport_p): Use associated_type.
7323 (i386_pe_dllimport_p): Likewise.
7325 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
7326 * i386.c (i386_valid_type_attribute_p): Also accept
7327 attributes for METHOD_TYPEs.
7329 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
7331 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
7333 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
7335 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
7337 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
7338 them from generating a new base name for each occurence of
7341 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
7343 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
7345 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
7349 * cplus-dem.c (type_kind_t): New type.
7350 (demangle_template_value_parm): Add type_kind_t parameter. Rely
7351 on this paramter, rather than demangling the type again.
7352 (demangle_integral_value): Pass tk_integral.
7353 (demangle_template_: Pass the value returned from do_type.
7354 (do_type): Return a type_kind_t. Pass tk_integral to
7355 demangle_template_value_parm for array bounds.
7356 (demangle_fund_type): Likewise.
7358 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
7360 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
7363 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
7365 * pa.c (move_operand): Accept CONSTANT_P_RTX.
7367 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
7369 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
7371 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
7374 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
7376 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
7377 (DEBUGGER_ARG_OFFSET): Likewise.
7379 * mn10300.md (movsf): Remove last change. Not needed.
7381 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
7383 * c-lex.c (yylex): Fix boundary conditions in character literal and
7384 string literal loops.
7386 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
7388 * longlong.h (count_leading_zeros): Sparclite scan instruction was
7389 being invoked incorrectly.
7391 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
7392 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
7394 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
7395 * configure.in: Added i[34567]86-*-win32
7396 * config.sub: Ditto.
7397 * configure: Rebuilt.
7399 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
7401 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
7402 the frame pointer and compiling PIC code and reload has not completed.
7404 * i386.c (output_to_reg): Add code to emulate non-popping DImode
7407 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
7409 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
7411 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7413 * Makefile.in (install-info): Only try to update the info
7414 directory file if it exists in the first place.
7416 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
7418 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
7420 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
7422 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
7423 CONST_DOUBLE source.
7425 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
7427 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
7428 strings as the insertion of USER_LABEL_PREFIX.
7429 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
7431 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
7434 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
7436 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
7437 already defined type.
7439 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
7441 * expr.c (check_max_integer_computation_mode): Allow conversions
7442 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
7443 (expand_expr): Likewise.
7445 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7447 * expr.c (expand_expr): Expand RETURN_EXPR.
7449 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
7451 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
7453 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
7455 * dwarf2out.c (output_aranges): Call stripattributes
7456 for TEXT_SECTION references.
7457 (output_line_info): Likewise.
7459 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7461 * profile.c (branch_prob): Call allocate_reg_info after outputting
7462 profile rtl in instrument_arcs.
7464 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
7466 * fixinc.irix (math.h): Install wrapper instead of copying.
7468 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7470 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
7471 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
7472 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
7473 lang_flag_0. Added documentation in the flag table.
7475 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
7477 * cccp.c (do_include): Fix vax c style include handling.
7479 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
7481 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
7483 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
7485 * fold-const.c (non_lvalue): Don't deal with null pointer
7487 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7489 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
7491 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
7492 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
7493 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
7494 (u_short_cint_operand): Same.
7495 (reg_or_cint_operand): Same.
7496 (logical_operand): Same.
7497 (input_operand): Same.
7498 (reg_or_short_operand): Use u_short_cint_operand.
7500 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
7502 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
7503 but keep the insns and splits. Adjust so when the ultimate destination
7504 is memory, use cvtql.
7506 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
7508 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
7510 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
7512 * gcc.c (do_spec): Call "error" not "warning".
7514 * configure.in: Fix minor problems with gas feature detection code.
7515 * configure: Rebuilt.
7517 * gcc.c (do_spec): Issue a warning for '%[]' usage.
7520 * gcc.c: Delete %[spec] support.
7521 (do_spec_1, case '('): Likewise.
7522 (do_spec_1, case '['): Call error.
7524 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
7526 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
7527 (CPP_SUBTARGET_SPEC): Default to empty string.
7528 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
7529 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
7530 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
7531 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
7533 * alpha/linux.h (CPP_PREDEFINES): Tidy.
7534 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
7535 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
7536 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
7537 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
7538 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
7539 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
7540 * alpha/vxworks.h: Likewise.
7542 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
7544 * mips.md (reload_outsi): Added missing REGNO call.
7545 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
7547 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
7548 another match_operator and compare the codes.
7550 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
7552 * MIPS multiply pattern fixes:
7553 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7554 Add union classes for HI, LO, or HILO plus general registers.
7555 (GENERATE_MADD): Deleted.
7556 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
7557 Add TARGET_MAD to condition.
7558 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
7559 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
7560 "*d" for accumulator, to give preference to LO initially but not
7563 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
7565 * configure.in (enable_c_mbchar): New configure option.
7566 (extra_cpp_objs): Always available now.
7568 * cexp.y (mbchar.h): #include it.
7569 (yylex): Handle Multibyte characters in character literals.
7571 * cccp.c (mbchar.h): #include it.
7572 (main): Set character set based on LANG environment variable.
7573 (rescan): Handle multibyte characters in comments.
7574 (skip_if_group): See above.
7575 (validate_else): See above.
7576 (skip_to_end_of_comment): See above.
7577 (macarg1): See above.
7578 (discard_comments): See above.
7579 (rescan): Handle multibyte characters in string and character literals.
7580 (collect_expansion): See above.
7581 (skip_quoted_string): See above.
7582 (macroexpand): See above.
7583 (macarg1): See above.
7584 (discard_comments): See above.
7585 (change_newlines): See above.
7587 * c-lex.c (mbchar.h): #include it.
7588 (GET_ENVIRONMENT): New macro.
7589 (init_lex): Set character set based on LANG environment variable.
7590 (yylex): Handle multibyte characters in character literals.
7591 (yylex): Handle multibyte characters in string literals.
7593 * Makefile.in (mbchar.o): New target.
7594 (cccp$(exeext)): @extra_cpp_objs@ is always available.
7595 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
7597 * mbchar.[ch]: New files for multibyte character handling.
7599 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7601 * jump.c (jump_optimize): When simplifying noop moves and
7602 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
7603 the PUSHes to rewrite in second loop as we did in the first.
7605 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7607 * cplus-dem.c (demangle_nested_args): Make function definition
7608 static to match the prototype.
7610 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
7612 * alloca.c: Respect USE_C_ALLOCA.
7613 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
7614 * gengenrtl.c (xmalloc): Likewise.
7616 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
7618 * loop.h (struct induction): Add no_const_addval.
7619 * loop.c (the_movables, reg_address_cost): New variables.
7620 (init_loop): Init reg_address_cost.
7621 (loop_optimize): Call end_alias_analysis.
7622 (scan_loop): Init the_movables.
7623 (record_giv): Init induction->no_const_addval.
7624 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
7625 [REG]: Rearrange loop search test to catch more cases.
7626 (general_induction_var): Return success not benefit; take an extra
7627 argument for that. Change all callers.
7628 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
7629 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
7630 [default]: Search the_movables for additional combinations.
7631 (sge_plus_constant, sge_plus): New functions.
7632 (express_from_1): New function.
7633 (express_from): Always define. Rewrite using express_from_1.
7634 (combine_givs_p): Handle more cases. Ignore address cost.
7635 (cmp_combine_givs_stats): New function.
7636 (combine_givs_used_once, combine_givs_benefit_from): New functions.
7637 (combine_givs): Rewrite to do best-fit combination.
7639 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
7640 (fold): Do a complete (A*C)+(B*C) association check.
7642 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
7644 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
7646 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
7648 * mn10300.c (MODES_TIEABLE_P): Fix typo.
7650 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
7652 * tree.c (valid_machine_attribute): Only create a new type variant if
7653 there is a decl to use it.
7655 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
7657 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
7660 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
7662 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
7665 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
7667 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
7668 Simplify tests for clearing an address register.
7669 (expand_prologue): Corresponding changes.
7671 * mn10300.md (movXX patterns): Make sure the destination is an
7672 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
7673 (logical patterns): Split into expanders + patterns
7674 (zero and sign extension patterns): Similarly.
7675 (shift patterns): Similarly.
7677 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
7679 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
7680 for the sequence, recording base values.
7682 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
7684 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
7686 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
7688 * gcc.c: Remove ANSI-C ism from --help code.
7690 * toplev.c: Support --help with USE_CPPLIB.
7692 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
7694 * configure.in: Rework gas feature code to work with symlink based
7697 * extend.texi: Clarify some issues related to local variables
7698 assigned to explicit registers.
7700 * mn10300.md (mulsi): Turn into expander + pattern.
7702 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
7705 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
7707 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
7709 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
7711 * version.c: Bump again to distinguish mainline tree from the
7714 See ChangeLog.0 for earlier changes.
7717 add-log-time-format: current-time-string
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