1 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
3 * configure.in: (arm*-*-ecos-elf): New target.
4 * configure: Regenerated.
5 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
6 * config/arm/ecos-elf.h: New file.
7 * config/arm/unknown-elf.h (TARGET_VERSION): Check
10 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
14 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
16 * version.c: Bump for snapshot.
18 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20 * loop.c (check_dbra_loop): New argument loop_info. Update fields
23 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
25 * version.c: Bump for snapshot.
27 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
29 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
30 compressed reports are ok and preferred over URLs
32 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
34 * invoke.texi (Warning Options): Soften the tone of -pedantic
36 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
38 * print-rtl.c (print_rtx): Add prototype.
40 * unroll.c (iteration_info): Make it static.
42 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
44 * alias.c (memrefs_conflict_p): A second ANDed address
45 disables the aligned address optimization.
47 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
49 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
52 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
54 * i960.h (BOOL_TYPE_SIZE): Define.
56 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
58 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
59 from old valid_parallel_operands_4.
60 (valid_parallel_operands_4): Check that operands for 4 operand
61 parallel insns are valid, excluding load/store insns.
62 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
63 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
64 valid_parallel_load_store instead of valid_parallel_operands_4.
65 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
66 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
67 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
68 *notqi_movqi_clobber): Use valid_parallel_operands_4.
69 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
70 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
71 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
73 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
75 * config/c4x/c4x.c (iteration_info): Delete extern.
77 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
79 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
81 * final.c (cleanup_subreg_operands): Delete some unused code.
83 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
84 (struct insn_alternative): New structure definition.
85 (recog_op_alt): Declare variable.
86 (preprocess_constraints): Declare function.
87 * recog.c (recog_op_alt): New variable.
88 (extract_insn): Verify number of alternatives is in range.
89 (preprocess_constraints): New function.
90 * reg-stack.c: Include recog.h.
91 (constrain_asm_operands): Delete.
92 (get_asm_operand_lengths): Delete.
93 (get_asm_operand_n_inputs): New function.
94 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
95 N_OUTPUTS args. All callers changed.
96 Compute number of inputs and outputs here by calling
97 get_asm_operand_n_inputs.
98 Instead of constrain_asm_operands, call extract_insn,
99 constrain_operands and preprocess_constaints. Use information
100 computed by these functions throughout.
101 (record_reg_life): Delete code that is unused due to changes in
103 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
104 N_INPUTS and N_OUTPUTS args. All callers changed.
105 Similar changes as in record_asm_reg_life.
106 (subst_stack_regs): Move n_operands declaration into the if statement
108 Delete code that is unused due to changes in subst_asm_stack_regs.
109 * stmt.c (expand_asm_operands): Verify number of alternatives is in
111 * Makefile.in (reg-stack.o): Depend on recog.h.
113 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
115 * except.c (set_exception_version_code): Argument is an "int".
117 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
119 * configure.in (mipsel-*-linux*): New target.
120 * mips/linux.h: New file, based on other Linux targets.
122 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
124 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
125 runs in the context of the deleter, not the deletee, so we must
126 use taskVarGet to find the correct memory to free.
127 (__gthread_key_create): Initialize the task
128 variable subsystem so that the task variable is still active when
129 the delete hook is run.
131 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
133 * pdp11.h: Use optimize_size for space optimizations.
135 * pdp11.md: Likewise.
137 * pdp11.h (TARGET_40_PLUS): Fix typo.
139 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
141 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
144 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
146 * alias.c (addr_side_effect_eval): New function.
147 (memrefs_conflict_p): Use it.
148 * rtl.h (addr_side_effect_eval): Prototype it.
150 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
152 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
154 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
156 * reload.c (find_reloads): When force const to memory, put result
157 in substed_operand not *recog_operand_loc.
159 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
161 * c-lex.c: Fix indentation from last patch.
162 Remove trailing whitespace.
165 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
167 * flow.c (delete_block): Call set_last_insn after we have reset
168 NEXT_INSN (kept_tail).
170 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
172 * mips.md (trap_if): Use "$0" for the value zero.
174 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
175 Stephen L Moshier <moshier@world.std.com>
176 Richard Henderson <rth@cygnus.com>
178 * c-common.c (declare_function_name): Declare predefinied variable
181 * c-decl.c (flag_isoc9x): Set to 1 by default.
182 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
183 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
185 * c-parse.in: Allow constructors in ISO C 9x.
186 Rewrite designator list handling.
187 Allow [*] parameters.
188 Don't warn about comma at end of enum definition for ISO C 9x.
190 * cccp.c (c9x): New variable.
191 (rest_extension): New variable.
192 (print_help): Document new -std= option.
193 (main): Recognize -std= option. Set c9x appropriately.
194 (create_definition): Recognize ISO C 9x vararg macros.
196 * gcc.c (default_compilers): Adjust specs for -std options.
197 (option_map): Add --std.
198 (display_help): Document -std.
200 * toplev.c (documented_lang_options): Add -std and remove
203 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
204 or REAL_VALUE_HTOF based on base of the constants.
205 * fold-const.c (real_hex_to_f): New function. Replacement function
206 for hex FP conversion if REAL_ARITHMETIC is not defined.
207 * real.c (asctoeg): Add handling of hex FP constants.
208 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
211 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
213 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
214 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
215 expansion. Use hi/lo as destination register.
217 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
218 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
219 Avoid as macro expansion. Use hi/lo as destination register.
221 * mips.h (MASK_CHECK_RANGE_DIV): New.
222 (MASK_NO_CHECK_ZERO_DIV): New.
223 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
224 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
225 return address for leaf functions out of r31 to support
226 builtin_return_address.
228 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
230 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
231 NEXT_INSN(x) to check insn x.
233 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
235 * flow.c (delete_block): Call set_last_insn if we end up deleting the
236 last insn in the rtl chain.
238 * reload1.c (reload): Do not set reload_completed or split insns
240 * toplev.c (rest_of_compilation): Set reload_completed after
241 reload returns. Split insns after reload_cse has run.
243 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
245 * final.c (final_scan_insn): Abort if block_depth falls below 0.
247 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
249 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
251 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
253 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
254 use of user-label_prefix.
256 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
258 * reload1.c (emit_reload_insns): Clear spill_reg_store
259 when doing a new non-inherited reload from the same pseudo.
261 * local-alloc.c (function_invariant_p): New function.
262 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
263 to decide if an equivalence should be recorded.
264 * reload1.c (num_eliminable_invariants): New static variable.
265 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
266 to decide if an equivalence should be recorded.
268 (calculate_needs_all_insns): Skip insns that only set an equivalence.
269 Take num_eliminable_invariants into account when deciding
270 if register elimination should be done.
271 (reload_as_needed): Take num_eliminable_invariants into account
272 when deciding if register elimination should be done.
273 (eliminate_regs): Handle non-constant reg_equiv_constant.
274 * rtl.h (function_invariant_p): Declare.
276 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
278 * version.c: Bump for snapshot.
280 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
282 * version.c: Bump for snapshot.
284 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
286 * except.c (add_new_handler): Complain about additional handlers
287 after one that catches everything.
289 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
291 * configure.in (alpha*-*-netbsd): Fix typo.
292 * configure: Rebuilt.
294 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
296 * system.h: Include libiberty.h.
298 * c-aux-info.c: Remove prototypes for concat/concat3. Change
299 function `concat' from fixed parameters to variable parameters,
300 as is done in libiberty. All callers of concat/concat3
301 changed to use the new `concat' with variable args.
303 * cccp.c: Remove things made redundant by libiberty.h and/or
304 conform to libiberty standards.
306 * collect2.c: Likewise.
307 * config/1750a/1750a.h: Likewise.
308 * cppalloc.c: Likewise.
309 * cppexp.c: Likewise.
310 * cppfiles.c: Likewise.
311 * cpphash.c: Likewise.
312 * cpplib.c: Likewise.
313 * dyn-string.c: Likewise.
314 * fix-header.c: Likewise.
317 * genattr.c: Likewise.
318 * genattrtab.c: Likewise.
319 * gencheck.c: Likewise.
320 * gencodes.c: Likewise.
321 * genconfig.c: Likewise.
322 * genemit.c: Likewise.
323 * genextract.c: Likewise.
324 * genflags.c: Likewise.
325 * gengenrtl.c: Likewise.
326 * genopinit.c: Likewise.
327 * genoutput.c: Likewise.
328 * genpeep.c: Likewise.
329 * genrecog.c: Likewise.
330 * getpwd.c: Likewise.
331 * halfpic.c: Likewise.
333 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
334 in NEED_DECLARATION_* macros.
336 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
337 conform to libiberty standards.
338 (fatal): Fix const-ification of variable `format' in
339 !ANSI_PROTOTYPES case.
341 * prefix.c: Remove things made redundant by libiberty.h and/or
342 conform to libiberty standards.
344 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
345 conflicting with function `spaces' from libiberty.
347 * profile.c: Remove things made redundant by libiberty.h and/or
348 conform to libiberty standards.
349 * protoize.c: Likewise.
353 * toplev.c: Likewise.
354 * toplev.h: Likewise.
357 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
359 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
361 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
363 * README.C4X: Updated URLs.
364 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
365 (valid_parallel_operands_5): Remove unused variable.
367 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
369 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
371 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
373 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
374 which can be configured.
375 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
376 (Makefile): Pass actual LANGUAGES through the environment when
378 (cstamp-h): Likewise.
379 (config.status): Likewise.
381 * configure.in (enable_languages): Add new configuration parameter
382 "--enable-languages=lang1,lang2,...".
383 (${srcdir}/*/config-lang.in): Change handling to configure only
384 those directories, that the user might have enabled; default to
385 "all" existing languages.
386 * configure: Regenerate.
388 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
390 * rtlanal.c (regs_set_between_p): New function.
391 * rtl.h (regs_set_between_p): Prototype it.
392 * jump.c (jump_optimize): Use it instead of modified_between_p
395 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
396 Matthias Pfaller <leo@dachau.marco.de>
398 * invoke.texi (Option Summary, NS32K Options): add description
399 of NS32K specific options.
401 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
402 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
403 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
404 negdf2, absdf2): Use l instead of f since the double class and
405 float class are no longer the same.
406 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
407 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
408 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
409 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
411 (cmpsi, cmphi, cmpqi): use general_operand instead of
412 non_immediate_operand. Removes erroneous assumption that can't
414 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
415 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
417 (movstrsi, movstrsi1, movstrsi2): completely new block move
419 (...): Patterns to exploit multiply-add instructions.
420 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
421 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
422 patterns to exploit extended divide insns.
423 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
426 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
427 float return values as well as simple scalar floats.
428 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
429 support new flag to denote 32381 fpu.
430 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
431 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
433 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
434 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
435 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
436 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
437 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
438 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
439 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
440 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
441 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
442 fpu registers and special register classes for new 32381
443 instructions dotf and polyf.
444 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
446 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
447 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
449 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
450 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
451 (REGISTER_MOVE_COST): move code to register_move_cost function for
452 ease of coding and debugging.
453 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
454 LONG_FLOAT_REGO is likely spilled but not caught by default
456 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
457 instead of hard coded numbers in range check.
458 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
459 (...): Add prototypes for functions in ns32k.c but disable because
460 of problems when ns32k.h is included in machine independant files.
462 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
463 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
464 hard_regno_mode_ok, secondary_reload_class,
465 print_operand, print_operand_address): new register scheme to
466 include 32381 fpu registers and special register classes for new
467 32381 instructions dotf and polyf.
468 (gen_indexed_expr): Make static to keep namespace clean.
469 (check_reg): remove since never called.
470 (move_tail, expand_block_move): helper functions for "movstrsi"
472 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
473 Increase cost of moves which go via memory.
474 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
475 (CPP_PREDEFINES): nolonger predefine "unix".
477 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
478 Remove erroneous %$. print_operand() can work out from the rtx is
479 an immediate prefix is required.
481 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
482 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
483 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
485 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
488 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
489 Correct handling of pic operands.
490 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
491 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
492 -mrtd calling convention.
494 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
496 * gcc.c (option_map): Recognize --output-class-directory.
498 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
500 * loop.h (precondition_loop_p): Added new mode argument.
501 * unroll.c (precondition_loop_p): Likewise.
502 (approx_final_value): Function deleted and subsumed
503 into loop_iterations.
504 (loop_find_equiv_value): New function.
505 (loop_iterations): Use loop_find_equiv_value to find increments
506 too large to be immediate constants. Also use it to find terms
507 common to initial and final iteration values that can be removed.
509 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
511 * loop.h (struct loop_info): Define new structure.
512 (precondition_loop_p): Added prototype.
513 (unroll_loop): Added new argument loop_info to prototype.
514 (final_biv_value, final_giv_value): Added new argument n_iterations
516 * loop.c (strength_reduce): Declare new structure loop_iteration_info
517 and new pointer loop_info.
518 (loop_n_iterations): Replace global variable by element in
520 (check_final_value): New argument n_iterations.
521 (insert_bct): New argument loop_info.
522 (loop_unroll_factor): Replace global array by element in
524 (loop_optimize): Remove code to allocate and initialise
525 loop_unroll_factor_array.
526 * unroll.c (precondition_loop_p): No longer static since
527 used by branch on count optimization.
528 (precondition_loop_p, unroll_loop): New argument loop_info.
529 (final_biv_value, final_giv_value, find_splittable_regs): New
530 argument n_iterations.
531 (loop_iteration_var, loop_initial_value, loop_increment,
532 loop_final_value, loop_comparison_code, loop_unroll_factor):
533 Replaced global variables by loop_info structure.
534 (loop_unroll_factor): Replace global array by element in
537 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
539 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
542 * unroll.c (precondition_loop_p): Return loop_initial_value
543 for initial_value instead of loop_iteration_var.
545 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
547 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
548 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
549 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
550 to output the instruction sequences.
552 (rptb_top): Provide alternatives to use any register or memory
554 (rptb_end): Emit use of operands rather than assigning them
555 explicitly to the RS and RE registers.
557 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
559 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
560 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
561 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
562 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
563 c4x_merge_notes, c4x_parallel_process,
564 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
565 c4x_combine_parallel): Delete.
567 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
569 * config/c4x/c4x.c: (c4x_override_options): For compatibility
570 with old target options clear flag_branch_on_count_reg if
571 -mno-rptb specified and set flag_argument_alias is -mno-aliases
573 (c4x_output_cbranch): Handle a sequence of insns rather than a
575 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
576 has not been allocated as the loop counter.
577 (c4x_address_conflict): Do not allow two volatile memory references.
578 (valid_parallel_operands_4, valid_parallel_operands_5,
579 valid_parallel_operands_6): Reject pattern if the register destination
580 of the first set is used as part of an address in the second set.
582 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
584 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
585 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
586 is no longer enabled if PARALLEL_MPY_FLAG set.
587 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
588 (REG_CLASS_CONTENTS): Add braces around initializers.
589 (HAVE_MULTIPLE_PACK): Define.
590 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
591 REAL_VALUE_TO_DECIMAL.
592 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
593 REAL_VALUE_TO_DECIMAL.
594 (ar0_reg_operand): Add prototype.
595 (ar0_mem_operand): Likewise.
596 (ar1_reg_operand): Likewise.
597 (ar1_mem_operand): Likewise.
598 (ar2_reg_operand): Likewise.
599 (ar2_mem_operand): Likewise.
600 (ar3_reg_operand): Likewise.
601 (ar3_mem_operand): Likewise.
602 (ar4_reg_operand): Likewise.
603 (ar4_mem_operand): Likewise.
604 (ar5_reg_operand): Likewise.
605 (ar5_mem_operand): Likewise.
606 (ar6_reg_operand): Likewise.
607 (ar6_mem_operand): Likewise.
608 (ar7_reg_operand): Likewise.
609 (ar7_mem_operand): Likewise.
610 (ir0_reg_operand): Likewise.
611 (ir0_mem_operand): Likewise.
612 (ir1_reg_operand): Likewise.
613 (ir1_mem_operand): Likewise.
614 (group1_reg_operand): Likewise.
615 (group1_mem_operand): Likewise.
616 (ir1_reg_operand): Likewise.
617 (arx_reg_operand): Likewise.
618 (not_rc_reg): Likewise.
619 (not_modify_reg): Likewise.
620 (c4x_group1_reg_operand): Remove prototype.
621 (c4x_group1_mem_operand): Likewise.
622 (c4x_arx_reg_operand): Likewise.
624 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
626 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
627 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
629 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
631 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
634 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
636 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
637 unless FMOVD_WORKS is defined.
639 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
641 * regclass.c (init_reg_sets): Move code that calculates tables
642 dependent on reg_class_contents from here...
643 (init_reg_sets_1): To here.
645 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
647 * cpplib.h: Delete struct import_file. Add ihash element to
648 struct cpp_buffer. Delete dont_repeat_files and
649 import_hash_table elements from cpp_reader; change
650 all_include_files to a hash table. Delete all foobar_include
651 / last_foobar_include elements from struct cpp_options; put
652 back four such: quote_include, bracket_include,
653 system_include, after_include. Redo struct file_name_list
654 completely. Add new structure type include_hash. Add
655 prototypes for merge_include_chains and include_hash. Change
656 prototypes for finclude, find_include_file, and
657 append_include_chain to match changes below.
659 * cppfiles.c (simplify_pathname, include_hash,
660 remap_filename, merge_include_chains): New functions.
661 (add_import, lookup_import, open_include_file): Removed.
662 (INO_T_EQ): Define this (copied from cccp.c).
663 (hack_vms_include_specification): Remove all calls and #if 0
664 out the definition. It was being called incorrectly and at
665 the wrong times. Until a VMSie can look at this, it's better
666 to not pretend to support it.
667 (append_include_chain): Change calling convention; now takes
668 only one directory at a time, and sets up the data structure
670 (redundant_include_p): Rewritten - this is now used for all
671 include redundancy, whether by #ifndef, #import, or #pragma
672 once. Looks up things in the include hash table.
673 (file_cleanup): Decrement pfile->system_include_depth here if
675 (find_include_file): Calling convention changed; now passes
676 around a struct include_hash instead of 3 separate parameters.
677 Guts ripped out and replaced with new include_hash mechanism.
678 (finclude): Calling convention changed as for
679 find_include_file. Error exits pulled out-of-line. Reformat.
680 (safe_read): Return a long, not an int.
681 (deps_output): Don't recurse.
683 * cpplib.c (is_system_include): Deleted.
684 (path_include): Fix up call to append_include_chain.
685 (do_include): Fix up calls to find_include_file and finclude.
686 Clean up dependency output a bit. Shorten obnoxiously lengthy
687 #import warning message. Don't decrement
688 pfile->system_include_depth here.
689 (do_pragma): Understand the include_hash structure. Reformat.
690 (do_endif): Correct handling of control macros. Understand
692 (cpp_start_read): Fix up calls to finclude. Call
693 merge_include_chains.
694 (cpp_handle_option): Fix up calls to append_include_chain.
695 Understand the four partial include chains.
696 (cpp_finish): Add debugging code (#if 0-ed out) for the
698 (cpp_cleanup): Free the include_hash, not the import hash and
699 the all_include and dont_repeat lists which no longer exist.
701 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
703 * toplev.c (no_new_pseudos): Define.
704 (rest_of_compilation): Set no_new_pseudos as needed.
705 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
706 if no_new_pseudos is set.
707 * rtl.h (no_new_pseudos): Declare it.
708 * reload1.c (reload): Update comments.
709 * md.texi: Corresponding changes.
711 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
713 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
714 (choose_reload_regs): Rename it here as well. When computing it,
715 also merge in used hardregs.
717 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
719 * gcc.c: Split out Objective-C specs to...
720 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
723 * c-lex.c (init_parse): Always initialize the filename global.
724 * objc/objc-act.c (lang_init): Always call check_newline at
727 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
729 * reload1.c (reload): Remove unused variable.
730 (reload_reg_free_for_value_p): Add missing parameter definition.
732 * jump.c (jump_optimize): Remove unused variable.
734 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
736 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
738 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
740 * expr.c (move_by_pieces): Similarly.
741 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
742 * flow.c (find_auto_inc): Similarly.
743 (try_pre_increment): Similarly.
744 * loop.c (strength_reduce): Similarly.
745 * regclass.c (auto_inc_dec_reg_p): Similarly.
746 * regmove.c (try_auto_increment): Similarly.
747 (fixup_match_1): Similarly.
748 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
749 (HAVE_PRE_DECREMENT): Similarly.
750 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
751 * Corresponding changes to all target header files.
752 * tm.texi: Update docs for autoinc addressing modes.
754 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
756 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
757 * configure: Rebuild.
758 * config/elfos.h: New file.
759 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
760 config/m68k/t-m68kelf: New file.
762 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
764 * Makefile.in (HOST_AR): Define.
765 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
766 (libcpp.a): Use the host tools explicitly.
767 (STAGESTUFF): Add libcpp.a.
769 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
771 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
772 to source and destination registers.
774 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
776 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
777 The strategy we now use is to pre allocate the top_elt along
778 with the EH context so that each thread has its own top_elt.
779 This is necessary as the dynmanic cleanup chain is used on the
780 top element of the stack and each thread MUST have its own.
781 (eh_context_static): Likewise.
782 (new_eh_context): Likewise.
783 (__sjthrow): Likewise.
785 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
787 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
788 * i386.md (prologue_get_pc): Remove unused variable.
790 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
792 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
794 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
796 * Makefile.in (OBJS): Add graph.o
797 (graph.o): New dependency list.
798 * flags.h: Declare dump_for_graph and define graph_dump_types type.
799 * print-rtl.c (dump_for_graph): Define new variable.
800 (print_rtx): Rewrite to allow use in graph dumping functions.
801 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
802 finish_graph_dump_file.
803 Define graph_dump_format.
804 (compile_file): If graph dumping is enabled also clear these files.
805 Finish graph dump files.
806 (rest_of_compilation): Also dump graph information if enabled.
807 (main): Recognize -dv to enabled VCG based graph dumping.
808 * graph.c: New file. Graph dumping functions.
810 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
812 * configure.in: Look for <sys/stat.h>.
813 * system.h: Include it before substitute S_ISREG definitions.
815 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
817 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
818 * config/mips/iris6.h: Same.
819 * config/mips/mips.md: Same.
820 * config/mips/mips.c: Same; also add "-mabi=o64" option.
821 * config/mips/mips.h: Same; also define ABI_O64.
823 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
825 * configure.in: Use AC_PREREQ(2.12.1).
827 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
829 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
830 * cpplib.c, gcc.c: Likewise.
831 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
833 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
835 * local-alloc.c (local_alloc): Use malloc not alloca for
836 reg_qty, reg_offset, ref_next_in_qty.
838 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
840 * caller-save.c (insert_one_insn): Initialize the live_before and
841 live_after register sets.
845 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
846 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
847 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
848 (fp_reg_names, assembler_dialect): New variables.
849 (print_operand_address): Handle SUBREGs.
850 (print_operand): Added 'o' case.
851 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
852 Name of FP registers depends on mode.
853 (expand_block_move): Emit different code for SH4 hardware.
854 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
855 (from_compare): Likewise.
856 (add_constant): New argument last_value. Changed all callers.
857 (find_barrier): Don't try HImode load for FPUL_REG.
858 (machine_dependent_reorg): Likewise.
859 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
860 (gen_far_branch): Emit a barrier after the new jump.
861 (barrier_align): Don't trust instruction lengths before
863 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
864 Use auto-inc addressing for fp registers if doubles need to
865 be loaded in two steps.
866 Set sh_flag_remove_dead_before_cse.
867 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
868 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
869 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
870 Support for FIRST_XD_REG .. LAST_XD_REG.
871 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
872 (sh_expand_epilogue): Likewise.
873 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
874 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
875 (arith_reg_operand): FPUL_REG is OK for SH4.
876 (fp_arith_reg_operand, fp_extended_operand) New functions.
877 (tertiary_reload_operand, fpscr_operand): Likewise.
878 (commutative_float_operator, noncommutative_float_operator): Likewise.
879 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
880 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
881 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
882 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
883 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
884 (CONDITIONAL_REGISTER_USAGE): Likewise.
885 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
886 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
887 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
888 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
889 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
890 to -1 and sh_flag_remove_dead_before_cse to 1.
891 (ASSEMBLER_DIALECT): Define to assembler_dialect.
892 (assembler_dialect, fp_reg_names): Declare.
893 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
894 Hide names of registers that are not accessible.
895 (CACHE_LOG): Take TARGET_CACHE32 into account.
896 (LOOP_ALIGN): Take TARGET_HARWARD into account.
897 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
898 (FIRST_PSEUDO_REGISTER: Now 49.
899 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
900 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
901 (HARD_REGNO_MODE_OK): Update.
902 (enum reg_class): Add DF_REGS and FPSCR_REGS.
903 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
904 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
905 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
906 (NPARM_REGS): Eight floating point parameter registers on SH4.
907 (BASE_RETURN_VALUE_REG): SH4 also passes double values
908 in floating point registers.
909 (GET_SH_ARG_CLASS) Likewise.
910 Complex float types are also returned in float registers.
911 (BASE_ARG_REG): Complex float types are also passes in float registers.
912 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
913 (LIBCALL_VALUE): Remove trailing semicolon.
914 (ROUND_REG): Round when double precision value is passed in floating
916 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
918 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
919 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
920 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
921 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
922 (MODE_DISP_OK_8): Not for SH4 DFmode.
923 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
924 Allow indexed addressing for PSImode after reload.
925 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
926 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
927 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
928 (DOUBLE_TYPE_SIZE): 64 for SH4.
929 (RTX_COSTS): Add PLUS case.
930 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
931 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
932 MAC_REGS, PR_REGS, DF_REGS.
933 (REGISTER_NAMES): Use fp_reg_names.
934 (enum processor_type): Add PROCESSOR_SH4.
935 (sh_flag_remove_dead_before_cse): Declare.
936 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
937 (PREDICATE_CODES): Add binary_float_operator,
938 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
939 fpscr_operand, noncommutative_float_operator.
940 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
941 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
942 * sh.md (attribute cpu): Add value sh4.
943 (attrbutes fmovd, issues): Define.
944 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
945 (function units memory, int, mpy, fp): Make dependent on issue rate.
946 (function units issue, single_issue, load_si, load): Define.
947 (function units load_store, fdiv, gp_fpul): Define.
948 (attribute hit_stack): Provide proper default.
949 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
950 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
951 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
952 (mulsi3_call): Now uses match_operand for function address.
953 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
955 (push, pop, push_e, pop_e): Now define_expands.
956 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
957 (movsi_ie): Added y/i alternative.
958 (ic_invalidate_line_i, movdf_i4): New insns.
959 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
960 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
961 (movdf): Add special code for SH4.
962 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
963 (call_valuei, calli, call_value): Likewise.
964 (movsf): Emit no-op move.
965 (mov_nop, movsi_y): New insns.
966 (blt, sge): generalize to handle DFmode.
967 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
968 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
969 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
970 (fpu_switch0, fpu_switch1, movpsi): New expanders.
971 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
972 (toggle_sz): New insn.
973 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
974 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
975 (macsf3): Make use of fpscr visible. Disable for SH4.
976 (floatsisf2): Make use of fpscr visible.
977 (floatsisf2_i4): New insn.
978 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
979 (ieee_ccmpeqsf_t): Likewise.
980 (fix_truncsfsi2): Emit different code for SH4.
981 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
982 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
983 (negsf2, sqrtsf2, abssf2): Now expanders.
984 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
985 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
986 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
987 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
988 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
989 (fix_truncdfsi2_i4_2+1): New splitters.
990 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
991 (extendsfdf2, truncdfsf2): New expanders.
992 (truncdfsf2_i4): New insn.
993 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
994 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
995 * float-sh.h: When testing for __SH3E__, also test for
996 __SH4_SINGLE_ONLY__ .
997 * va-sh.h (__va_freg): Define to float.
998 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
999 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1000 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1001 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1003 (TARGET_SH4_P): Define.
1006 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1007 init_expr_once is satisfied about the existence of load / store insns.
1009 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1010 change m constraint in source operand to mr / mf .
1012 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1014 * (__VA_REEF): Define.
1015 (__va_arg_sh1): Use it.
1017 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1019 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1021 * i386/dgux.c (struct option): Add new "description field".
1022 * m88k/m88k.c (struct option): Likewise.
1024 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1026 * version.c: Bump for snapshot.
1028 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1030 * regmove.c (regmove_profitable_p): Use return value of find_matches
1033 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1035 * version.c: Bump for snapshot.
1037 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1039 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1040 without reload having been called earlier.
1042 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1044 (v850_reorg): Similarly.
1046 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1048 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1050 * loop.c (move_movables): Start of libcall might be new loop start.
1052 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1054 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1056 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1058 * function.c (nonlocal_goto_handler_slots): Renamed from
1059 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1060 (push_function_context_to): Adjust for this change.
1061 (pop_function_context_from): Likewise.
1062 (init_function_start): Likewise.
1063 (expand_function_end): Likewise.
1064 * function.h (struct function): Likewise.
1065 * calls.c (expand_call): Likewise.
1066 * explow.c (allocate_dynamic_stack_space): Likewise.
1067 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1068 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1070 (expand_goto): When doing a nonlocal goto, find corresponding handler
1071 slot for it. Don't put the label address in the static chain register.
1072 (expand_end_bindings): Break out nonlocal goto handling code into
1073 three new functions.
1074 (expand_nl_handler_label, expand_nl_goto_receiver,
1075 expand_nl_goto_receivers): New static functions, broken out of
1076 expand_end_bindings and adapted to create one handler per nonlocal
1078 * function.c (delete_handlers): Delete insn if it references any of
1079 the nonlocal goto handler slots.
1080 * i960.md (nonlocal_goto): Comment out code that modifies
1082 * sparc.md (nonlocal_goto): Likewise.
1083 (goto_handler_and_restore_v9): Comment out.
1084 (goto_handler_and_restore_v9_sp64): Comment out.
1086 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1088 * expr.c (STACK_BYTES): Delete unused macro.
1089 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1090 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1091 (expand_call): Likewise.
1092 (emit_library_call): Likewise.
1093 (emit_library_call_value): Likewise.
1094 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1095 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1096 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1097 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1098 (allocate_dynamic_stack_space): Likewise.
1099 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1100 (STACK_BOUNDARY): Update description to reflect the new situation.
1102 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1104 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1105 return with a filled delay slot is followed by a return with an
1106 unfilled delay slot, delete the first return and reemit the insn
1107 that was previously in its delay slot.
1109 * i860.c (single_insn_src_p): Add missing parens.
1110 * ginclude/math-3300.h: Likewise.
1112 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1114 * regclass.c (init_reg_sets_1): Add prototype.
1115 (init_reg_modes): Likewise.
1117 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1119 * c-common.c: Change warning messages to say `comparison is
1120 always true' or `comparison is always false' instead of the
1121 confusing `is always 0', `is always 1'.
1123 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1125 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1126 break instead of return (which loses closing '>').
1128 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1130 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1131 standard 387 constants.
1133 * i386.md (jump): Explicitly set "memory" attribute.
1134 (indirect_jump, prologue_set_stack_ptr): Likewise.
1135 (prologue_get_pc_and_set_got, pop): Likewise.
1136 (allocate_stack_worder, blockage, return_internal): Likewise.
1137 (return_pop_internal, nop): Likewise.
1138 (epilogue_set_stack_ptr, leave): Likewise.
1140 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1142 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1144 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1146 * reload1.c (reload_reg_free_for_value_p):
1147 Early auto_inc reloads don't conflict with outputs.
1149 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1151 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1152 Instead call AC_HEADER_SYS_WAIT.
1154 * collect2.c: Don't provide defaults for sys/wait.h macros.
1156 * protoize.c: Likewise. Also, don't include sys/wait.h.
1158 * system.h: Include sys/wait.h and provide macro defaults.
1160 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1162 * Makefile.in (mandir): Set to @mandir@.
1163 (man1dir): New variable to hold the former value of $(mandir).
1164 Replace all uses of $(mandir) by $(man1dir).
1166 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1168 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1169 a new one before passing it to force_const_mem.
1171 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1172 find_reloads_address call.
1174 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1176 * expr.c (store_expr): Don't generate load-store pair
1177 if TEMP is identical (according to ==) with TARGET.
1179 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1181 * reload1.c (reload_reg_free_for_value_p): When considered reload
1182 has an output, matching inputs are not sufficient to avoid conflict.
1184 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1186 * hash.h (hash_table_key): New type.
1187 (hash_entry): Change `string' field to generic `key'.
1188 (hash_table): Add `comp' and `hash' functions.
1189 (hash_table_init): Take them as input.
1190 (hash_table_init_n): Likewise.
1191 (hash_lookup): Modify for generic keys.
1192 (hash_newfunc): Likewise.
1193 (hash_traverse): Likewise.
1194 (string_hash): New function.
1195 (string_compare): Likewise.
1196 (string_copy): Likewise.
1197 * hash.c (hash_table_init_n): Modify for generic keys.
1198 (hash_table_init): Likewise.
1199 (hash_lookup): Likewise.
1200 (hash_newfunc): Likewise.
1201 (hash_traverse): Likewise.
1202 (string_hash): Split out from hash_lookup.
1203 (string_compare): New function.
1204 (string_copy): Split out from hash_lookup.
1205 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1207 (symbol_hash_lookup): Likewise.
1208 (file_hash_newfunc): Likewise.
1209 (file_hash_lookup): Likewise.
1210 (demangled_hash_newfunc): Likewise.
1211 (demangled_hash_lookup): Likewise.
1212 (tlink_int): Likewise.
1213 (read_repo_file): Likewise.
1214 (recompile_files): Likewise.
1215 (demangle_new_symbols): Likewise.
1216 (scan_linker_output): Likewise.
1218 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1220 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1222 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1224 * rs6000.c (output_mi_thunk): Improve test for local branch.
1226 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1228 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1230 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1232 * reload1.c (reload_reg_free_before_p): Delete.
1233 Changed all callers to use reload_reg_free_for_value_p instead.
1234 (reload_reg_free_for_value_p): Handle more reload types.
1235 A RELOAD_FOR_INPUT doesn't conflict with its
1236 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1237 Add special case for OUT == const0_rtx.
1238 Added ignore_address_reloads argument. Changed all callers.
1240 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1242 * toplev.c (compile_file): Don't pedwarn about undefined static
1243 functions just because we passed -Wunused.
1245 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1247 * function.c (purge_addressof_1): Unshare rtl created by
1250 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1252 * regmove.c (regmove_optimize): Don't do anything but
1253 optimize_reg_copy[123] when flag_regmove is not set.
1255 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1257 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1258 value in paradoxical SImode result, rather than truncating midpoint.
1260 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1262 * alpha.c (reg_not_elim_operand): New.
1263 * alpha.h (PREDICATE_CODES): Add it.
1264 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1265 for the multiplicand.
1267 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1269 * rs6000.md (movsf): Remove explicit secondary-reload-like
1270 functionality. Only truncate SFmode store if in FPR.
1271 (movsf splitters): Combine const_double splitters.
1272 (movsf_hardfloat): Add GPR support.
1274 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1276 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1277 deprecate -mlive-g0 and -mbroken-saverestore.
1278 * t-splet (MULTILIB_OPTIONS): Likewise.
1280 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1281 in a leaf function. Clarify total_size/extra_size relationship.
1283 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1285 * i386/cygwin32.asm: Delete.
1286 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1287 * i386/cygwin32.h: Delete.
1288 * i386/cygwin.h: New file, renamed from cygwin32.h.
1289 * i386/t-cygwin32: Delete.
1290 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1291 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1292 * i386/x-cygwin32: Delete.
1293 * i386/x-cygwin: New file, renamed from x-cygwin32.
1294 * i386/xm-cygwin32: Delete.
1295 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1296 renamed cygwin_ funcs for path translations.
1297 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1298 * i386/winnt.c: Remove "32" from comment about cygwin.
1299 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
1300 * rs6000/cygwin32.h: Delete.
1301 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
1302 -D__CYGWIN__ to CPP_PREDEFINES.
1303 * rs6000/x-cygwin32: Delete.
1304 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
1305 * rs6000/xm-cygwin32: Delete.
1306 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
1308 * configure.in: Check for cygwin* instead of cygwin32. Account
1309 for the rename of cygwin-related config files to lose the "32"s.
1310 * configure: Regenerate.
1312 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
1313 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
1315 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
1317 * Makefile.in (JAVAGC): New macro.
1318 * configure: Rebuilt.
1319 * configure.in: Recognize --enable-java-gc argument. Subst
1322 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1324 Handle equivalences that have been obscured by gcse:
1326 * reload1.c (reload): Handle equivalences set up in multiple places.
1327 * local-alloc.c (reg_equiv_init_insns): New variable.
1328 (no_equiv): New function.
1329 (update_equiv_regs): Handle equivalences set up in multiple places.
1330 Don't ignore an insn just because its destination is likely to be
1333 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
1335 * except.c (expand_eh_return): Readd force_operand call lost in
1338 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
1340 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
1342 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1344 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
1346 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1348 * regmove.c (regmove_optimize): Fix error in last change.
1350 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1352 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
1353 offset in the .mask pseudo to compensate for frame pointer adjustments.
1354 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
1355 word swap arguments moved to/from FP registers.
1356 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
1358 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
1360 * version.c: Bump for snapshot.
1362 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
1364 * version.c: Bump for snapshot.
1366 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
1368 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
1369 times, then it can not be completely replaced.
1371 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
1373 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
1375 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1377 * gansidecl.h: Prepend a "G" to the macro wrapping this file
1378 (to distinguish it from the macro wrapping ansidecl.h.)
1379 Include libiberty's ansidecl.h. Remove all redundant definitions.
1380 Define the PROTO() style macros in terms of the PARAMS() ones.
1383 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
1384 __STDC__, when deciding whether to use ANSI variable args.
1385 (emit_library_call_value): Likewise.
1387 * cccp.c (error): Likewise.
1388 (warning): Likewise.
1389 (error_with_line): Likewise.
1390 (warning_with_line): Likewise.
1391 (pedwarn): Likewise.
1392 (pedwarn_with_line): Likewise.
1393 (pedwarn_with_file_and_line): Likewise.
1396 * cexp.y (error): Likewise.
1397 (pedwarn): Likewise.
1398 (warning): Likewise.
1400 * collect2.c (fatal_perror): Likewise.
1404 * combine.c (gen_rtx_combine): Likewise.
1406 * cpperror.c (cpp_message): Likewise.
1407 (cpp_fatal): Likewise.
1409 * cpplib.c (cpp_error): Likewise.
1410 (cpp_warning): Likewise.
1411 (cpp_pedwarn): Likewise.
1412 (cpp_error_with_line): Likewise.
1413 (cpp_warning_with_line): Likewise.
1414 (cpp_pedwarn_with_line): Likewise.
1415 (cpp_pedwarn_with_file_and_line): Likewise.
1417 * cpplib.h: Don't define PARAMS() macro.
1419 * demangle.h: Likewise.
1421 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
1422 when deciding whether to use ANSI variable args.
1424 * emit-rtl.c (gen_rtx): Likewise.
1425 (gen_rtvec): Likewise.
1427 * final.c (asm_fprintf): Likewise.
1429 * fix-header.c (cpp_message): Likewise.
1431 (cpp_fatal): Likewise.
1433 * gcc.c (concat): Likewise.
1437 * genattr.c (fatal): Likewise.
1439 * genattrtab.c (attr_rtx): Likewise.
1440 (attr_printf): Likewise.
1443 * gencodes.c (fatal): Likewise.
1445 * genconfig.c (fatal): Likewise.
1447 * genemit.c (fatal): Likewise.
1449 * genextract.c (fatal): Likewise.
1451 * genflags.c (fatal): Likewise.
1453 * genopinit.c (fatal): Likewise.
1455 * genoutput.c (fatal): Likewise.
1458 * genpeep.c (fatal): Likewise.
1460 * genrecog.c (fatal): Likewise.
1462 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
1463 deciding whether to declare `tree_node' and `rtx_def'.
1465 * hash.h: Don't define stuff we get from gansidecl.h.
1467 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
1468 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1469 whether to use ANSI variable args.
1472 * prefix.c (concat): Likewise.
1476 * system.h: Likewise.
1478 * toplev.c (error_with_file_and_line): Likewise.
1479 (error_with_decl): Likewise.
1480 (error_for_asm): Likewise.
1483 (warning_with_file_and_line): Likewise.
1484 (warning_with_decl): Likewise.
1485 (warning_for_asm): Likewise.
1486 (warning): Likewise.
1487 (pedwarn): Likewise.
1488 (pedwarn_with_decl): Likewise.
1489 (pedwarn_with_file_and_line): Likewise.
1491 (really_sorry): Likewise.
1493 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1494 whether to declare `tree_node' and `rtx_def'.
1496 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
1497 deciding whether to use ANSI variable args.
1498 (build_nt): Likewise.
1499 (build_parse_node): Likewise.
1501 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
1503 * version.c: Bump for snapshot.
1505 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1507 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
1509 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1511 * collect2.c (main, case 'b'): Use else if.
1513 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1515 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
1516 Arrange to include gansidecl.h in {ht}config.h & tm.h just
1517 before the config/ directory headers.
1518 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
1519 gansidecl.h in the list of dependencies.
1521 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
1522 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
1523 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
1524 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
1525 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
1526 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
1529 * cccp.c: Don't include gansidecl.h.
1531 * collect2.c: Likewise.
1532 * config/c4x/c4x.c: Likewise.
1533 * config/v850/v850.h: Likewise.
1534 * cppalloc.c: Likewise.
1535 * cpperror.c: Likewise.
1536 * cppexp.c: Likewise.
1537 * cppfiles.c: Likewise.
1538 * cpphash.c: Likewise.
1539 * cpplib.c: Likewise.
1540 * cppmain.c: Likewise.
1541 * cppulp.c: Likewise.
1542 * demangle.h: Likewise.
1543 * doprint.c: Likewise.
1544 * dyn-string.c: Likewise.
1545 * eh-common.h: Likewise.
1546 * fix-header.c: Likewise.
1547 * frame.c: Likewise.
1550 * gen-protos.c: Likewise.
1551 * gencheck.c: Likewise.
1552 * halfpic.h: Likewise.
1554 * machmode.h: Likewise.
1555 * mbchar.c: Likewise.
1556 * prefix.c: Likewise.
1557 * protoize.c: Likewise.
1558 * recog.h: Likewise.
1560 * scan-decls.c: Likewise.
1562 * varray.h: Likewise.
1564 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
1566 * i386.md (call_value_pop): If we're not popping anything,
1567 defer to call_value.
1568 (call_pop): Likewise defer to call.
1570 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
1572 * function.c (purge_addressof): Clear purge_addressof_replacements
1573 only after processing the whole function.
1575 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
1577 * reload1.c (reload): If we can not perform a particular elimination
1578 when we thought we could earlier, then we must always iterate through
1579 the loop at least one more time.
1581 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
1583 * alpha.c (add_operand): Simplify the CONST_INT match.
1584 (sext_add_operand): Correct typo in comparison by using
1585 CONST_OK_FOR_LETTER_P.
1586 * alpha.md (s?addq): Use sext_add_operand to allow the negative
1587 constant alternatives to be generated.
1588 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
1589 small constants, since the hw instructions do.
1591 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1593 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
1594 previous insn to store directly into our reload register, make sure
1595 that if the source of the previous insn is a reload register, its
1596 spill_reg_store and spill_reg_stored_to values are cleared.
1598 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
1600 * rs6000.md (floatunssidf2_internal splitter): Use base register
1601 operand, not hard-coded SP.
1603 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1605 * jump.c (calculate_can_reach_end): Fix thinko.
1607 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
1609 * reorg.c (fill_simple_delay_slots): Fix typo.
1611 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
1613 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
1615 * i386.md (extendsidi2): Use # in the output template.
1616 (extendsidi splitters): New splitters.
1618 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
1620 * configure.in: Use unknown-elf.h as tm_file for arm-elf
1622 * configure: Regenerate.
1624 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1626 * jump.c (init_label_info, delete_barrier_successors,
1627 mark_all_labels, delete_unreferenced_labels,
1628 delete_noop_moves, calculate_can_reach_end): New functions broken
1629 out of jump_optimize.
1630 (jump_optimize): Use them.
1632 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1634 * except.c (expand_fixup_region_end): Make sure outer context labels
1635 are not issued in an inner context during cleanups.
1637 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
1639 * alpha.md (addsi3, subsi3): No new temporaries once cse is
1642 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
1644 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
1645 to expose this midpoint to CSE.
1647 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1649 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
1651 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1653 * configure.in: Bring over gcc2 change of Nov 19 1997.
1655 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
1657 * toplev.c (output_lang_identify): Make definition dependent on
1658 ASM_IDENTIFY_LANGUAGE.
1660 * print-rtl.c (spaces): Make static.
1662 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
1664 * extend.texi: Clarify proper uses for register clobbers in asms.
1666 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1668 * recog.h (enum op_type): Define.
1669 (constrain_operands): Adjust prototype.
1670 (recog_op_type): Declare new variable.
1671 * recog.c (recog_op_type): New variable.
1672 (insn_invalid_p): Allow modifying an asm statement after reload.
1673 (extract_insn): Set up recog_op_type.
1674 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
1675 Don't compute operand types, use recog_op_type.
1676 Use the information computed by extract_insn instead of the previous
1677 method of finding it by insn code number.
1678 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
1679 * reorg.c (fill_slots_from_thread): Likewise.
1680 * reload1.c (reload_as_needed): Likewise.
1681 (gen_reload): Likewise.
1682 (inc_for_reload): Likewise.
1683 (reload_cse_simplify_operands): Likewise.
1684 Use the information computed by extract_insn instead of the previous
1685 method of finding it by insn code number.
1686 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
1688 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
1689 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
1690 Use the information computed by extract_insn instead of the previous
1691 method of finding it by insn code number.
1692 * regmove.c (find_matches): Likewise. Change meaning of the return
1693 value to be nonzero if the optimization can be performed, zero if
1694 not. All callers changed.
1695 Shorten some variable names to fix formatting problems.
1696 (regmove_optimize): Shorten some variable names to fix formatting
1698 Use the information computed by extract_insn instead of the previous
1699 method of finding it by insn code number.
1700 * regclass.c (scan_one_insn): Likewise.
1701 (record_reg_classes): Don't compute operand types, use recog_op_type.
1702 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
1703 recog_constraints instead.
1705 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
1707 * rtl.h (flow2_completed): Declare.
1708 * flow.c (flow2_completed): Definition.
1709 * toplev.c (rest_of_compilation): Set and clear flow2_completed
1712 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1714 * Makefile.in (libcpp.a): Ranlib libcpp.a
1716 * cppulp.c (user_label_prefix): Initialize.
1718 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
1720 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
1721 at a RETURN if current_function_sp_is_unchanging is set.
1723 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1725 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
1727 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
1729 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
1730 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
1731 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
1732 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
1733 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
1734 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
1736 (LIB_SPEC): Handle -mno-cyginw option.
1737 (LINK_SPEC): Handle -mdll.
1739 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1741 * reload.c (find_reloads): Fix test for usage by other reload
1742 to handle secondary reloads properly.
1744 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1746 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
1747 intermediate structure which has exactly the members provided by
1748 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
1749 static intermediate structure.
1751 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
1752 from the intermediate structure. Do the same analogous fix in
1753 the case where ELIMINABLE_REGS is not defined.
1755 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
1757 * pa.h (SELECT_SECTION): Fix thinko.
1759 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
1761 * dwarf2out.c (output_call_frame_info): Comments on last change.
1763 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
1765 * arm.c (add_constant): When taking the address of an item in the
1766 pool, get the mode of the item addressed.
1768 * arm.c (final_prescan_insn case INSN): If an insn doesn't
1769 contain a SET or a PARALLEL, don't consider it for conditional
1772 Restore ABI compatibility for NetBSD.
1773 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
1775 (RETURN_IN_MEMORY): Likewise.
1777 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
1779 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
1780 (m32r_output_block_move): Rewrite bytes < 4 handling.
1782 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1784 * configure.in: Call AC_FUNC_VFORK.
1786 * collect2.c: Define VFORK_STRING as a printable string for
1787 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
1788 defined, include vfork.h. If VMS is defined, define vfork()
1789 appropriately. Remove vfork check on USG, we're using autoconf.
1790 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
1791 checking locally what string to pass.
1792 (scan_prog_file): Likewise.
1793 (scan_libraries): Likewise.
1795 * gcc.c: Remove vfork check on USG, we're using autoconf.
1796 Besides, no calls to vfork/fork occur in this file.
1798 * protoize.c: Likewise.
1800 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1802 * configure.in (DEFAULT_LINKER): renamed from LD
1803 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
1804 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
1805 * configure: rebuilt
1807 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1809 * BUGS: fix the regexp for `more' to find the appropriate node.
1810 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
1812 * BUGS: added link to the WWW FAQ
1814 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
1816 * version.c: Bump for snapshot.
1818 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
1820 * From Christian Gafton:
1821 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
1822 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
1823 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
1825 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
1827 * c-common.c (c_get_alias_set): Allow all type-punning through
1828 unions. Don't get confused about the type of a bit-field, despite
1829 the antics of build_modify_expr.
1831 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
1833 * fixinc.sco: Paramaterize #include_next values.
1834 * fixinc/fixinc.sco: Likewise.
1836 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
1838 * toplev.c (rest_of_compilation): No longer set reload_completed.
1839 * reload1.c (reload): Set it here. Perform instruction splitting
1840 after reload has completed if we will be running the scheduler
1843 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
1845 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
1846 EH region if exceptions are enabled and we're performing cross
1848 (find_cross_jump): Exit loop if the insns are in different EH regions.
1850 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
1852 * dwarf2out.c (output_call_frame_info): Use
1853 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
1855 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1857 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
1858 * c-common.c (check_format_info): Don't check for the 'x'
1859 format character twice, instead check for 'x' and 'X'
1861 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
1863 * configure.in (assembler features): Also make gas is configured if
1864 we find it in the souce tree.
1866 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
1868 * i386.c (i386_comp_type_attributes): Compare whether the
1869 attributes are defined, not their tree nodes.
1871 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1873 * configure.in (gxx_include_dir): bitten by autoconf quoting
1875 * configure: rebuilt
1877 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1879 * configure.in: Ignore non-absolute value in $AS.
1881 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
1883 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
1885 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
1887 * configure.in (msdosdjgpp): Set exeext and target_alias.
1889 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1891 * flow.c (XNMALLOC): New macro.
1892 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
1894 (add_edge, add_edge_to_label): New static functions.
1895 (free_bb_memory): New function.
1896 (flow_delete_insn): Delete function.
1897 (basic_block_drops_in): Delete variable.
1898 (find_basic_blocks): Allocate and initialize basic_block_head,
1899 basic_block_succ. Don't allocate basic_block_drops_in.
1900 Call free_bb_memory at the beginning.
1901 (find_basic_blocks_1): Don't do multiple passes.
1902 Delete code to compute basic_block_drops_in.
1903 After calling make_edges, mark blocks reached by current block live.
1904 Update test for unreachable live blocks.
1905 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
1907 Simplify to call add_edge_to_label when a LABEL_REF is found.
1908 (make_edges): Simplify to call add_edge_to_label instead of
1909 mark_label_ref most of the time.
1910 Compute here whether control drops into the next block.
1911 (delete_unreachable_blocks): Return void. All callers changed.
1912 Delete unreachable blocks in reverse order.
1913 After deleting all unreachable blocks, renumber the remaining ones
1914 and update n_basic_blocks.
1915 (delete_block): Speed up deletion a bit.
1916 Don't set basic_block_drops_in for deleted blocks.
1917 (free_basic_block_vars): Don't free basic_block_drops_in.
1918 (life_analysis_1): Update to use new edge representation.
1919 (dump_flow_info): Delete code to print basic block info; call
1920 dump_bb_data instead.
1921 (compute_preds_succs): Delete code to recompute basic_block_drops_in
1922 and uid_block_number.
1923 Simply copy the previously computed cfg.
1924 (dump_bb_data): New arg LIVE_INFO. All callers changed.
1925 Print register lifetime information if LIVE_INFO is nonzero.
1926 * basic-block.h (dump_bb_data): Adjust prototype.
1927 * gcse.c (gcse_main): Update call to dump_bb_data.
1928 * rtl.h (free_bb_memory): Declare.
1929 * toplev.c (rest_of_compilation): Call free_bb_memory.
1931 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
1932 (update_eliminable_offsets): Don't compute it.
1933 (set_initial_elim_offsets): Don't initialize it.
1934 Break out some code into set_initial_label_offsets so the rest of
1935 this function can be called from reload_as_needed.
1936 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
1937 ELIMINABLE_REGS isn't.
1938 (set_initial_label_offsets): New function, broken out of
1939 set_initial_elim_offsets.
1940 (set_offsets_for_label): New function, broken out of set_label_offsets
1941 and reload_as_needed.
1942 (reload): Call the two new functions.
1943 (reload_as_needed): Call set_initial_elim_offsets instead of
1944 duplicating the code. Likewise for set_offsets_for_label.
1946 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
1947 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
1948 any hard reg, reg_reloaded_dead contains valid data.
1950 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
1952 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
1953 "stdcall" and "cdecl" attributes.
1955 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
1957 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
1958 handle deleted no-op moves of hard registers.
1959 * haifa-sched.c (update_flow_info): Likewise.
1961 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
1963 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
1964 of the sequences to reload the HILO register which do not actually
1967 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
1969 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
1971 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1973 * except.c (emit_eh_context): Make the EH context register stay alive
1974 at -O0 so stupid.c doesn't get confused.
1976 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1978 * emit-rtl.c (try_split): Do not try to split a BARRIER.
1980 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
1981 Jeffrey A Law (law@cygnus.com)
1983 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
1984 (zero_extendsidi2): Use # in output template and handle completely by
1986 (zero_extend splitters): New define_splits.
1987 (ashiftrt_32): New pattern.
1989 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
1991 * tree.c (append_random_chars): New fn.
1992 (get_file_function_name_long): Use it.
1994 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
1996 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
1997 (LIBCPP_OBJS): New. Add cppulp.o.
1998 (cppmain, fix-header): Depend on and use libcpp.a.
1999 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2000 of the individual object files.
2001 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2004 * cccp.c (user_label_prefix): New.
2005 (main): Set it off -f*leading-underscore.
2006 (special_symbol): Use it.
2007 * cpplib.c (special_symbol): Likewise.
2008 (cpp_handle_option): Handle -f*leading-underscore.
2009 * cppulp.c: New file.
2011 * output.h (user_label_prefix): Declare it.
2012 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2013 * toplev.c (f_options, main): Handle -f*leading-underscore.
2015 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2016 referencing USER_LABEL_PREFIX directly.
2017 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2018 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2019 * final.c (asm_fprintf): Use user_label_prefix instead.
2020 * arm/thumb.c (thumb_print_operand): Likewise.
2022 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2023 cpp wherever appropriate.
2025 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2027 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2028 specific compiler switches.
2030 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2032 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2035 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2037 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2038 structure which has exactly the members provided by EXTRA_SPECS.
2039 Xmalloc() the real `extra_specs', and initialize it from this
2040 intermediate structure.
2042 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2044 * mips.h (EXTRA_SPECS): Likewise.
2046 * sparc.h (EXTRA_SPECS): Likewise.
2048 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2050 * function.c (purge_addressof_1): Instead of aborting when a
2051 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2052 work just put the ADDRESSOF on stack. Otherwise remember all such
2053 successfull replacements, so that exactly the same replacements
2054 can be made on the REG_NOTEs. Remove the special case for CALL
2056 (purge_addressof_replacements): New variable.
2057 (purge_addressof): Clear it at end.
2059 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2061 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2062 (lang_init): Call check_newline always.
2063 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2064 cpp_start_read, set yy_cur and yy_lim to read from
2065 parse_in.token_buffer, so that we'll see the first #line
2067 * cpplib.c (cpp_start_read): finclude the main input file
2068 before processing -include/-imacros. Process -imacros and
2069 -include separately, and handle -include by stacking a
2070 buffer for the file in question as if it'd been #included.
2071 * toplev.c (documented_lang_options) Recognize -H when
2074 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2076 * cpplib.c: Merge do_once into do_pragma. Break file handling
2077 code out of do_include.
2078 Move append_include_chain, deps_output,
2079 file_cleanup, redundant_include_p, import_hash,
2080 lookup_import, add_import, read_filename_string, read_name_map,
2081 open_include_file, finclude, safe_read to cppfiles.c.
2082 Move prototypes for deps_output, append_include_chain,
2083 finclude to cpplib.h. Move definition of struct
2084 file_name_list there also.
2086 * cppfiles.c: New file. Contains all the above functions
2087 broken out of cpplib.c; also hack_vms_include_specification
2088 from cccp.c and find_include_file, a new function broken out of
2091 * Makefile.in (cppmain): Depend on cppfiles.o.
2092 (fix-header): Likewise.
2093 (cppfiles.o): New target.
2094 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2095 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2097 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2099 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2100 if pending_types is non-zero.
2101 (dwarfout_finish): Verify pending_types is zero before finishing.
2103 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2105 * expr.c (convert_move): Use shifts to perform the move if a
2106 suitable extend pattern cannot be found. Code written by
2107 Richard Henderson <rth@cygnus.com>.
2109 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2111 * regclass.c (renumber, regno_allocated): New static variables, moved
2112 out of allocate_reg_info.
2113 (allocate_reg_info): Move these two variables outside the function.
2114 Move code to free memory into new function free_reg_info.
2115 (free_reg_info): New function, broken out of allocate_reg_info.
2116 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2117 * rtl.h (allocate_reg_info): Don't declare.
2118 (free_reg_info): Declare.
2120 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2122 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2124 * toplev.c (compile_file): Temporarily revert last change.
2126 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2128 * c-typeck.c (convert_for_assignment): Parenthesize.
2130 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2132 * reload1.c (delete_output_reload): Avoid ambigous else.
2134 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2136 * toplev.c (compile_file): Call allocate_reg_info to free register
2138 * rtl.h (allocate_reg_info): Declare.
2140 * PROJECTS: Remove entry for local spilling.
2142 * final.c (cleanup_subreg_operands): New function.
2143 (final_scan_insn): Use it.
2144 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2146 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2147 operands when reload has finished.
2148 * reload.h (cleanup_subreg_operands): Declare..
2149 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2150 reload. Handled in reload itself.
2152 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2154 * reload1.c (verify_initial_offsets): New function.
2155 (reload): Call it after reload_as_needed. Also verify that the frame
2156 size stays constant during reload_as_needed.
2157 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2159 * reload.h (struct insn_chain): Add need_operand_change element.
2160 * reload1.c (new_insn_chain): Clear it.
2161 (calculate_needs_all_insns): Set it; don't overload need_reload.
2162 (reload_as_needed): Use it.
2164 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2165 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2166 and reload_address_index_reg_class.
2167 (find_reloads_address_1): Likewise.
2168 * reload.h (reload_address_base_reg_class,
2169 reload_address_index_reg_class): Don't declare.
2170 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2171 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2172 (used_spill_regs): Now static.
2173 (reload_address_base_reg_class, reload_address_index_reg_class,
2174 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2175 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2176 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2179 (init_reload): Delete code to compute base/index reg classes.
2180 (reload): Delete variable J.
2181 Delete code to manage basic_block_needs.
2182 Don't compute regs_explicitly_used.
2183 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2184 pseudo_previous_regs.
2185 Initialize bad_spill_regs_global.
2186 Don't call order_regs_for_reload here.
2187 Don't initialize spill_reg_order and n_spills.
2188 Don't forbid explicitly used regs to be used for spill regs.
2189 Change main loop to infinite loop, with explicit break statements.
2190 Make SOMETHING_CHANGED variable local to that loop.
2191 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2192 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2193 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2195 Don't call dump_needs.
2196 Delete code to reset potential_reload_regs.
2197 Delete code to terminate loop conditional on the global needs variables
2198 showing no further needs.
2199 (calculate_needs_all_insns): Return void. All callers changed.
2200 Initialize somehing_needs_elimination here, not in reload.
2201 Delete avoid_return_reg kludge.
2202 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2203 All callers changed.
2204 Initialize the group_mode and group_size elements of the arg CHAIN.
2205 Delete code to manage basic_block_needs.
2206 Operate on elements of CHAIN instead of global variables.
2207 Delete avoid_return_reg kludge.
2208 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2209 All callers changed.
2210 Operate on elements of CHAIN instead of global variables.
2211 Delete special SMALL_REGISTER_CLASSES code.
2212 Delete spill_failure code; now in new_spill_reg.
2213 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2214 All callers changed.
2215 Operate on elements of CHAIN instead of global variables.
2216 (maybe_mark_pseudo_spilled): New static function.
2217 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2218 All callers changed.
2219 Operate on elements of CHAIN instead of global variables.
2220 Call order_regs_for_reload here, not in reload.
2221 Initialize spill_reg_order and n_spills.
2222 Simplify test whether an asm insn is involved.
2223 Delete spill_failure code; now in new_spill_reg.
2224 Call maybe_mark_pseudo_spilled for everything marked as live in
2225 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2227 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2228 compiler from optimizing this function (now unused) away.
2229 Operate on elements of CHAIN instead of global variables.
2230 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2232 Operate on elements of CHAIN instead of global variables.
2233 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2234 take CHAIN arg. All callers changed.
2235 Operate on elements of CHAIN instead of global variables.
2236 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2237 CHAIN, NONGROUP args. Return void. All callers changed.
2238 Verify caller isn't trying to spill a pseudo.
2239 Simplify test for illegal reg, just use bad_spill_regs.
2240 Generate better error messages.
2241 Operate on elements of CHAIN instead of global variables.
2242 Mark spilled register in CHAIN's used_spill_regs element.
2243 Don't call spill_hard_reg.
2244 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2245 Mark spilled hard regs in bad_spill_regs_global.
2246 Mark affected pseudos in spilled_pseudos, but don't spill them.
2247 (ior_hard_reg_set): New static function.
2248 (finish_spills): Return int. All callers changed.
2249 Compute spill_reg_order, n_spills and spill_regs here. Also update
2250 regs_ever_live for regs used as spills.
2251 For every pseudo in spilled_pseudos, spill it and mark the previous
2252 hard reg it had in pseudo_previous_regs. Compute which hard regs
2253 arseudo): New static function.
2254 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2255 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2256 hard registers explicitly used across the current insn into the set.
2257 Compute hard_reg_n_uses taking only pseudos live across this insn
2259 Tweak sorting of potential_reload_regs.
2260 (compare_spill_regs): Delete function.
2261 (reload_as_needed): Don't sort the spill_regs array, it's computed
2262 in proper order in finish_spills.
2263 Delete avoid_return_reg kludge.
2264 Delete code to manage basic_block_needs.
2265 (allocate_reload_reg): Minor speed/readability tweaks.
2266 Operate on elements of CHAIN instead of global variables.
2267 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2268 Delete avoid_return_reg kludge.
2269 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2270 Delete unused label FAIL.
2271 (reload_combine): Replce reload_address_index_reg_class with
2273 Don't use used_spill_regs to determine information about lifetime of
2276 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2278 * toplev.c (display_help): Ignore empty target specific
2279 options, and if -W is also specified on the command line then
2280 display undocumented options.
2282 * config/arm/arm.c: Updated with changes in devo sources.
2283 * config/arm/arm.h: Updated with changes in devo sources.
2284 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2285 * config/arm/lib1thumb.asm: Add ELF support.
2287 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2289 * collect2.c (aix64_flag): New variable.
2290 (main, case 'b'): Parse it.
2291 (GCC_CHECK_HDR): object magic number must match mode.
2292 (scan_prog_file): Only check for shared object if valid header.
2293 Print debugging if header/mode mismatch.
2295 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2297 Added support for arm-elf-linux configuration, submitted by Philip
2298 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2299 code developed by Catherine Moore <clm@cygnus.com>. The following
2302 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
2305 * configure: Regenerated.
2307 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
2308 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
2309 definitions conditional on their not having been already defined.
2311 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
2312 and .type directives, and add "(PLT)" qualification to function
2315 * config/arm/linux.h: Deleted. This file is now superceeded by
2316 either linux-elf.h or linux-aout.h.
2318 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
2319 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
2321 Move definitions from old linux.h file here.
2323 * config/arm/elf.h: New file. Generic ARM/ELF support.
2325 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
2327 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
2329 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
2330 using the 26bit APCS.
2332 * config/arm/unknown-elf.h: New file. Support for OS'es other
2333 than Linux with ELF.
2335 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
2338 * config/arm/coff.h: Include aout.h for basic assembler macros.
2339 Add support for -mstructure_size_boundary=<n> command line option.
2341 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
2342 command line option. Make macro definitions conditional on their
2343 not having been already defined.
2345 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
2346 command line option.
2349 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
2351 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
2352 has been changed to not include a newline. Use this macro instead.
2353 (output_enumeral_list, const_value_attribute, name_attribute,
2354 comp_dir_attribute, prototyped_attribute, producer_attribute,
2355 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
2356 dwarfout_file_scope_decl, generate_new_sfname_entry,
2357 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
2358 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
2360 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
2362 * combine.c (subst): Process the inputs to a parallel asm_operands
2365 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
2367 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
2369 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
2371 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
2373 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
2375 * version.c: Bump for snapshot.
2377 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2379 * stmt.c (expand_fixup): Set fixup->before_jump to a
2380 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
2382 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2384 * Makefile.in (recog.o): Depend on toplev.h.
2385 (insn-emit.o): Depend on recog.h.
2386 (insn-peep.o): Depend on recog.h and insn-config.h.
2388 * combine.c (simplify_set): Remove unused variable `scratches'.
2390 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
2391 and `idx' in macro conditional controlling their use.
2393 * genemit.c (main): Make the generated output file include
2394 recog.h. Don't have it declare `insn_operand_constraint', since
2395 we get it from recog.h.
2397 * genpeep.c (main): Make the generated output file include
2398 insn-config.h and recog.h.
2400 * recog.c: Include toplev.h.
2401 (extract_insn): Remove unused variable `p'.
2403 * regclass.c (fix_register): Add missing braces around initializer
2405 (allocate_reg_info): Move variable `i' into the scope where it is
2406 used. Change its type to `size_t'.
2408 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2410 * reload.c (push_reload): When merging reloads, make sure
2411 that reload_in_reg and reload_in are from the same reload in
2414 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
2416 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
2417 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2419 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
2421 * loop.c (loop_has_tablejump): New variable.
2422 (prescan_loop): Scan for it.
2423 (insert_bct): Replace explicit scan with use of it.
2424 * regclass.c (regclass): Restore loop variable j.
2425 (record_reg_classes): Deterine op_types modifiers and initialize
2426 classes[i] before matching constraints. Handle matching
2429 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
2431 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
2434 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2436 * mips.h (EXTRA_SPECS): Add missing initializers.
2438 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2440 * sparc.h (EXTRA_SPECS): Add missing initializers.
2441 (sparc_defer_case_vector): Provide a prototype.
2443 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
2444 comparing it to the result of a pointer subtraction.
2446 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2448 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
2449 the argument to (unsigned char).
2451 * alpha.h (EXTRA_SPECS): Add missing initializers.
2452 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
2455 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
2457 * flow.c (life_analysis_1): Enable "rescan" code after reload.
2458 (propagate_block): Delete dead code after reload.
2460 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
2461 back Oct 15, 1998 change.
2462 * haifa-sched.c (update_flow_info): Likewise.
2463 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
2465 * mn10200.md (truncated shift): Accept constant inputs too.
2467 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
2469 * machmode.h (mode_mask_array): No longer const.
2470 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
2472 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2474 * frame.c: Somewhat explain `FDE'.
2475 Suggested by Brendan Kehoe
2477 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
2479 * expr.c (pending_chain): Move up.
2480 (save_expr_status): Do save pending_chain.
2481 (restore_expr_status): And restore it.
2482 * function.h (struct function): Add pending_chain.
2484 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2486 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
2487 did not match the code.
2489 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2491 * regclass.c (regclass): Break out some code into new function
2492 scan_one_insn, and into regclass_init.
2493 (init_cost): New static variable, moved out of regclass.
2494 (regclass_init): Initialize it here, not in .
2495 (scan_one_insn): New static function, broken out of regclass.
2496 * recog.c (apply_change_group): Break out some code into new
2497 function insn_invalid_p.
2498 (insn_invalid_p): New static fn, broken out of apply_change_group.
2500 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
2502 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
2503 reg_reloaded_contents matches incremented pseudo.
2505 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
2507 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2509 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
2510 addressing modes with side effects. These are currently
2511 placeholders for the C4x target.
2513 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2515 * loop.c (express_from): Make sure that when generating a PLUS of
2516 a PLUS, any constant expression appears on the outermost PLUS.
2518 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
2520 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
2521 works if "$(srcdir)" != ".".
2523 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
2525 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
2526 existing SUBREG if we can, otherwise abort.
2528 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
2530 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
2531 `restrict' is applied to a non-pointer variable.
2533 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
2535 * invoke.texi: Document -flang-isoc9x.
2537 * Makefile.in (OBJS): Add splay-tree.o.
2538 (c-common.o): Depend on rtl.h.
2539 (splay-tree.o): List dependencies and provide build rule.
2541 * rtl.h (record_alias_subset): New function.
2542 * alias.c: Include splay-tree.h.
2543 (alias_set_entry): New type.
2544 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
2545 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
2546 (mems_in_disjoin_alias_sets_p): New function.
2547 (alias_set_compare): Likewise.
2548 (insert_subset_children): Likewise.
2549 (get_alias_set_entry): Likewise.
2551 * tree.h (TYPE_RESTRICT): New macro.
2552 (TYPE_UNQUALIFIED): New manifest constant.
2553 (TYPE_QUAL_CONST): Likewise
2554 (TYPE_QUAL_VOLATILE): Likewise.
2555 (TYPE_QUAL_RESTRICT): Likewise.
2556 (tree_type): Add restrict_flag. Reduce count of free bits.
2557 (DECL_POINTER_ALIAS_SET): New macro.
2558 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
2559 (tree_decl): Add pointer_alias_set.
2560 (build_qualified_type): New function.
2561 (build_type_variant): Define in terms of build_qualified_type.
2562 * tree.c (set_type_quals): New function.
2563 (make_node): Initializae DECL_POINTER_ALIAS_SET.
2564 (build_type_attribute_variant): Use build_qualified_type and
2566 (build_type_variant): Rename, and modify, to become...
2567 (build_qualified_type): New function.
2568 (build_complex_type): Use set_type_quals.
2570 * c-tree.h (C_TYPE_OBJECT_P): New macro.
2571 (C_TYPE_FUNCTION_P): Likewise.
2572 (C_TYPE_INCOMPLETE_P): Likewise.
2573 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
2574 (c_apply_type_quals_to_decl): New function.
2575 (c_build_qualified_type): New function.
2576 (c_build_type_variant): Define in terms of c_build_qualified_type.
2577 (flag_isoc9x): Declare.
2578 * c-typeck.c (qualify_type): Use c_build_qualified_type.
2579 (common_type): Change to use TYPE_QUALS.
2580 (comptypes): Likewise.
2581 (convert_for_assignment): Likewise.
2582 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
2583 * c-decl.c (flag_isoc9x): Define.
2584 (c_decode_option): Handle -flang-isoc9x.
2585 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
2586 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
2587 * c-lex.c (init_lex): Deal with restrict.
2588 (init_lex): Don't treat restrict as a reserved word in
2589 -traditional mode, or without -flang-isoc9x.
2590 * c-lex.h (rid): Add RID_RESTRICT.
2591 * c-parse.gperf (restrict, __restrict, __restrict__): Make
2592 equivalent to RID_RESTRICT.
2593 * c-parse.in (TYPE_QUAL): Update comment.
2594 * c-common.c: Include rtl.h.
2595 (c_find_base_decl): New function.
2596 (c_build_type_variant): Rename, and modify, to become ...
2597 (c_build_qualified_type): New function.
2598 (c_apply_type_quals_to_decl): Likewise.
2599 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
2600 a particular alias set for the reference.
2601 * toplev.c (documented_lang_options): Add -flang-isoc9x.
2603 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
2605 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
2606 command line switches.
2608 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
2610 * reload.c (loc_mentioned_in_p): Add missing braces to bind
2613 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
2615 * gcc.c (option_map): Added --classpath and --CLASSPATH.
2617 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
2619 * regclass.c (fix_register): Add error message.
2620 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
2623 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2625 * c-decl.c (warn_missing_noreturn): New global variable.
2626 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
2627 (finish_function): Implement missing noreturn warning.
2629 * c-tree.h (warn_missing_noreturn): Declare extern.
2631 * invoke.texi: Document new flags.
2633 * toplev.c (documented_lang_options): Add description.
2635 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2637 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
2638 loop optimization stable for the C4x.
2639 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
2640 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
2641 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
2643 (c4x_address_conflict): Be more paranoid when packing a volatile
2644 memref in a parallel load/store.
2646 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2648 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
2649 repeat_block_filler): Deleted.
2650 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
2651 Condition code not set if destination register from 'c' class.
2652 (*subbqi3_carry_clobber): Fix typo.
2654 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2656 * reorg.c (steal_delay_list_from_target) Check for insns that
2657 modify the condition codes and effect the direction of the jump
2660 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
2662 * function.c (purge_addressof_1): Replace call to
2663 emit_insns_before() with emit_insn_before().
2665 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
2667 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
2669 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2671 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
2673 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
2675 * gcse.c (compute_hash_table): Correctly identify hard regs which are
2676 clobbered across calls.
2678 * loop.c (scan_loop): Be more selective about what invariants are
2679 moved out of a loop.
2681 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
2683 * version.c: Bump for snapshot.
2685 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
2687 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
2688 static eh_context structure.
2690 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2692 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
2694 (try_combine): Don't update max_scratch.
2695 * flow.c (max_scratch, num_scratch): Delete variables.
2696 (life_analysis_1): Don't initialize max_scratch.
2697 (propagate_block): Don't update max_scratch.
2698 (mark_set_1): Don't increment num_scratch.
2699 * regs.h (max_scratch): Delete declaration.
2701 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
2703 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
2704 is nonzero. This is temporary!
2706 * sched.c (update_flow_info): Handle death notes made invalid by
2707 instruction splitting. Partially reverts Oct 15, 1998 patch.
2708 * haifa-sched.c (update_flow_info): Likewise.
2710 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
2712 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
2713 if it has a nonzero DECL_INITIAL.
2715 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2717 * Makefile.in (flow.o): Depend on recog.h.
2719 * cpplib.h (directive_table): Add missing initializiers.
2720 (finclude): Change type of variable `bsize' to size_t.
2722 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
2724 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
2726 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
2727 `int' when comparing against one.
2728 (cpp_file_line_for_message): Mark parameter `pfile' with
2730 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
2732 * flow.c: Include recog.h.
2733 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
2735 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
2736 `f' with ATTRIBUTE_UNUSED.
2737 (reposition_prologue_and_epilogue_notes): Likewise.
2739 * genopinit.c (gen_insn): Cast argument of ctype functions to
2742 * haifa-sched.c: Include recog.h.
2743 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
2744 comparing against one.
2746 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
2748 * mips-tfile.c (parse_end): Cast the argument of ctype function to
2750 (parse_ent): Likewise.
2751 (parse_input): Likewise.
2753 * optabs.c (init_libfuncs): Likewise.
2755 * protoize.c (find_rightmost_formals_list): Likewise.
2757 * recog.h (const_double_operand): Fix typo in prototype.
2759 * tlink.c (scan_linker_output): Cast the argument of ctype
2760 function to `unsigned char'.
2762 * toplev.c (check_lang_option): Cast the result of `strlen' to
2763 `int' when comparing against one.
2765 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
2767 * gcse.c (dump_cuid_table): Correct typo.
2769 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
2771 * toplev.c (display_help): Prepend '-m' to target specific
2773 (check_lang_option): Ignore text after end of first word of a
2774 language specific option.
2776 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2778 * reload1.c (reg_used_by_pseudo): New static variable.
2779 (choose_reload_regs): Initialize it.
2780 Use it instead of testing spill_reg_order to determine whether a
2781 pseudo is live in a hard register across the current insn.
2782 Fix a typo in a reference to reload_reg_rtx.
2784 * flow.c (propagate_block): Replace code that computes and uses
2785 regs_sometimes_live with simpler code that just walks the set of
2786 currently live registers.
2788 * Makefile.in (insn-extract.o): Fix dependencies.
2789 * genextract.c (main): Generate includes for insn-config.h and
2791 Delete generation of declarations which are now in recog.h.
2792 * genrecog.c (main): Delete generation of definitions which are
2794 * local-alloc.c (block_alloc): Use extract_insn and the variables
2795 it sets up instead of looking up values by insn_code.
2796 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
2797 recog_dup_num): Define here instead of generating the definition in
2799 (recog_n_operands, recog_n_dups, recog_n_alternatives,
2800 recog_operand_mode, recog_constraints, recog_operand_address_p):
2802 (extract_insn): New function.
2803 * recog.h (extract_insn): Declare function.
2804 (which_alternative, recog_n_operands, recog_n_dups,
2805 recog_n_alternatives, recog_operand_mode, recog_constraints,
2806 recog_operand_address_p): Declare variables.
2807 * regclass.c (n_occurrences): New static function.
2808 * reload.c (n_occurrences): Delete function.
2809 (find_reloads): Use extract_insn.
2810 * reload.h (n_occurrences): Delete declaration.
2812 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
2814 * reload1.c (reload_as_needed): Fix test for when to call
2815 update_eliminable_offsets.
2817 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2819 Fix consistency problems with reg_equiv_{mem,address};
2820 Improve reload inheritance;
2822 * reload.c (reload_out_reg): New variable.
2823 (loc_mentioned_in_p, remove_address_replacements): New functions.
2824 (remove_replacements): Deleted.
2825 (push_reload): Set reload_out_reg[i].
2826 When merging, also set reload_{in,out}_reg[i], and remove
2827 duplicate address reloads.
2828 (combine_reloads): Copy reload_out_reg[i].
2829 (find_reloads): Do make_memloc substitution also when
2830 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
2832 Include *recog_operand_loc in commutativity operand changes.
2833 Generate optional output reloads.
2834 Delete reference to n_memlocs. Don't set *recog_operand_loc before
2835 processing operands. Call make_memloc in reg_equiv_address code.
2836 Set *recog_operand_loc only after processing operands, and only
2837 if replace is true. Return a value.
2838 When changing address reload types for operands that didn't get
2839 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
2840 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
2841 Don't emit USEs for pseudo SUBREGs when not replacing.
2842 (find_reloads_address): Do make_memloc substitution also when
2843 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
2845 (find_reloads_toplev): Likewise.
2846 Call make_memloc in reg_equiv_address code.
2847 (debug_reload_to_stream): Add code to output reload_out_reg.
2848 (make_memloc): Delete local variable i, ifdefed out code, and
2849 references to memlocs and n_memlocs.
2850 (memlocs, n_memlocs): Delete.
2851 (push_secondary_reload): Clear reload_out_reg.
2852 (find_reloads_address_1): Provide memrefloc argument to all calls
2853 to find_reloads_address.
2854 In AUTO_INC code, handle non-directly addressable equivalences properly.
2855 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
2856 (find_reloads): Add return type.
2857 (remove_address_replacements, deallocate_reload_reg): Declare.
2858 * reload1.c (num_not_at_initial_offset): No longer static.
2859 (delete_address_reloads, delete_address_reloads_1): Likewise.
2860 (deallocate_reload_reg): New function.
2861 (spill_reg_stored_to): New array.
2862 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
2863 (eliminate_regs_in_insn): Move assignments of previous_offset and
2864 max_offset fields, and recalculation of num_not_at_initial_offset
2865 into new static function:
2866 (update_eliminable_offsets) .
2867 (reload_as_needed): Call update_eliminable_offsetss after calling
2869 Call forget_old_reloads_1 with contents of reloaded auto_inc
2870 expressions if the actual addressing can't be changed to match the
2872 (choose_reload_regs): For inheritance, replace
2873 reload_reg_free_before_p test with reload_reg_used_at_all test, and
2874 remove stand-alone reload_reg_used_at_all test.
2875 Use reload_out_reg to determine which reload regs have output reloads.
2876 Treat reload_override_in more similar to inherited reloads.
2877 Handle (subreg (reg... for inheritance.
2878 For flag_expensive_optimizations, add an extra pass to remove
2879 unnecessary reloads from known working inheritance.
2880 Delete obsolete code for pseudos replaced with MEMs.
2881 Handle inheritance from auto_inc expressions.
2882 (emit_reload_insns): If reload_in is a MEM, set OLD to
2884 Don't reload directly from oldequiv; if it's a pseudo with a
2885 stack slot, use reload_in[j].
2886 Check that reload_in_reg[j] is a MEM before replacing reload_in
2887 from reg_reloaded_contents.
2888 Include non-spill registers in reload inheritance processing.
2889 Also try to use reload_out_reg to set spill_reg_store /
2890 reg_last_reload_reg.
2891 In code to set new_spill_reg_store, use single_set to find out if
2892 there is a single set.
2893 Add code that allows to delete optional output reloads.
2894 Add code to allow deletion of output reloads that use no spill reg.
2895 At the end, set reload_override_in to oldequiv.
2896 Also call delete_output_reload if reload_out_reg is equal to old
2898 Add code to call delete_output_reload for stores with no matching load.
2899 Set / use spill_reg_stored_to.
2900 Handle case where secondary output reload uses a temporary, but
2901 actual store isn't found.
2902 When looking for a store of a value not loaded in order to call
2903 delete_output_reload, count_occurences should return 0 for no
2904 loads; but discount inherited input reloadill_reg_stored_to.
2905 Do checks for extra uses of REG. Changed all
2907 Use delete_address_reloads.
2908 (reload): Take return value of find_reloads into account.
2909 If a no-op set needs more than one reload, delete it.
2910 (reload_reg_free_before_p): RELOAD_FOR_INPUT
2911 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
2912 for the same operand.
2913 (clear_reload_reg_in_use): Check for other reloads that keep a
2915 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
2916 RELOAD_FOR_OPADDR_ADDR.
2917 Take into account when an address address reload is only needed
2918 for the address reload we are considering.
2919 (count_occurrences): Use rtx_equal_p for MEMs.
2920 (inc_for_reload): Return instruction that stores into RELOADREG.
2921 New argument two, IN, and rtx. Changed all callers.
2922 (calculate_needs_all_insns, reload_as_needed):
2923 Don't clear after_call for a CLOBBER.
2924 Keep track of how many hard registers need to be copied from
2925 after_call, and don't clear after_call before we have seen
2926 that much copies, or we see a different instruction.
2928 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
2930 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
2931 after reload has completed.
2933 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
2935 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
2936 a macro name and the next token with a single blank if that whitespace
2937 is in a macro buffer and the next token is not '('.
2939 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
2941 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
2943 (skip_if_group): Ditto.
2944 (skip_to_end_of_comment): Ditto.
2946 (discard_comments): Ditto.
2947 (change_newlines): Ditto.
2949 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
2951 * c-lex.c (yylex): Fix unaligned access of wchar_t.
2953 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
2955 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
2956 (TARGET_OPTIONS): Add --help documentation.
2958 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2960 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
2962 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
2964 * fixinc/* Moved in from ../contrib directory in preparation
2965 for integrating it into the normal build process. In particular,
2966 fixinc/Makefile.in must be config-ed into the build directory
2967 as fixinc/Makefile. Proposed patches to ./Makefile.in and
2968 ./configure.in will be "in the mail" momentarily.
2970 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
2972 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
2973 accidently walk into the free list. Comment how that can happen.
2974 (invalidate): Fix indentation.
2976 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2977 Jeffrey A Law (law@cygnus.com)
2979 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
2980 reload. Never perform rescans of the insn chain after reload.
2981 (propagate_block): Do not delete insn or create new autoinc addressing
2984 * jump.c (jump_optimize): Unconditionally use the code that was
2985 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
2986 * reload1.c (reload): When reloading is finished, delete all
2987 REG_DEAD and REG_UNUSED notes.
2988 (emit_reload_insns): Delete all code that was conditional on
2989 PRESERVE_DEATH_INFO_REGNO_P.
2990 (no_longer_dead_regs): Delete variable.
2991 (reload_cse_delete_death_notes): Delete function.
2992 (reload_cse_no_longer_dead): Delete function.
2993 (reload_cse_regs_1): Delete all code to handle deletion of death
2995 (reload_cse_noop_set_p): Likewise.
2996 (reload_cse_simplify_set): Likewise.
2997 (reload_cse_simplify_operands): Likewise.
2998 (reload_cse_move2add): Likewise.
2999 * reorg.c (used_spill_regs): Delete declaration.
3000 (max_label_num_after_reload): Delete declaration.
3001 (find_dead_or_set_registers): Don't assume that spill regs are
3002 dead at a CODE_LABEL.
3003 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3005 * sched.c (sched_analyze_insn): Likewise.
3006 (update_flow_info): Likewise.
3007 * haifa-sched.c (sched_analyze_insn): Likewise.
3008 (update_flow_info): Likewise.
3009 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3010 * toplev.c (max_label_num_after_reload): Delete variable.
3011 (rest_of_compilation): Don't set max_label_num_after_reload.
3012 Call life_analysis after reload_cse_regs if optimizing.
3013 * config/gmicro/gmicro.h: Delete comment referring to
3014 PRESERVE_DEATH_INFO_REGNO_P.
3015 * config/i386/i386.h: Likewise.
3016 * config/m88k/m88k.h: Likewise.
3017 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3018 * config/sh/sh.h: Likewise.
3020 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3022 * loop.c (strength_reduce): Restore marking bct_p as
3024 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3025 HAVE_decrement_and_branch_on_count.
3026 (small_data_operand): Remove TARGET_ELF condition for marking
3027 parameters ATTRIBUTE_UNUSED.
3029 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3031 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3032 (SELECT_SECTION): Resync with svr4.h.
3034 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3036 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3039 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3041 * c-pragma.c (handle_pragma_token): Test for null tree before
3042 dereferencing TREE_CODE.
3044 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3046 * config/c4x/c4x.c: Convert to use GEN_INT.
3047 (c4x_parallel_process): Rework to handle new repeat loop structure.
3049 * config/c4x/c4x.md: Convert to use GEN_INT.
3050 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3051 (decrement_and_branch_on_count): Likewise.
3053 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3054 loop.c has the desired functionality.
3055 (rc_reg_operand): New prototype.
3057 * config/c4x/t-c4x: Can now build all front ends.
3059 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3061 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3063 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3065 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3066 * config/t-rtems: Do not install assert.h -- use newlib's.
3068 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3070 * combine.c (combine_instructions): When finished, call init_recog.
3071 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3073 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3075 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3077 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3079 * cppalloc.c (memory_full): Mark function prototype with
3082 * demangle.h (collect_exit): Likewise.
3084 * fix-header.c (v_fatal, fatal): Likewise.
3086 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3089 * gcov.c (print_usage): Likewise.
3091 * genattr.c (fatal, fancy_abort): Likewise.
3093 * genattrtab.c (fatal, fancy_abort): Likewise.
3095 * gencodes.c (fatal, fancy_abort): Likewise.
3097 * genconfig.c (fatal, fancy_abort): Likewise.
3099 * genemit.c (fatal, fancy_abort): Likewise.
3101 * genextract.c (fatal, fancy_abort): Likewise.
3103 * genflags.c (fatal, fancy_abort): Likewise.
3105 * genopinit.c (fatal, fancy_abort): Likewise.
3107 * genoutput.c (fatal, fancy_abort): Likewise.
3109 * genpeep.c (fatal, fancy_abort): Likewise.
3111 * genrecog.c (fatal, fancy_abort): Likewise.
3113 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3114 __sjpopnthrow, __throw): Likewise.
3116 * objc/objc-act.c (objc_fatal): Likewise.
3118 * protoize.c (usage, aux_info_corrupted,
3119 declare_source_confusing): Likewise.
3121 * rtl.c (dump_and_abort): Likewise.
3123 * rtl.h (sets_cc0_p): Likewise.
3125 * toplev.c (float_signal, pipe_closed): Likewise.
3127 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3129 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3130 when generating the decision tree for the general case.
3132 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3133 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3135 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3137 * Makefile.in (sched.o): Depend on recog.h.
3139 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3140 (unsigned) when comparing against one.
3141 (find_base_value): Likewise.
3142 (record_base_value): Cast variable `regno' to (unsigned) when
3143 comparing against one. Cast the result of REGNO() macro to
3144 (unsigned) when comparing against one.
3145 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3147 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3148 variable where an unsigned index is needed.
3150 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3151 before comparing against one.
3153 * collect2.c: Add prototypes for functions `error', `fatal' and
3154 `fatal_perror'. Make these functions take variable arguments
3155 instead of faking it with a fixed number of args.
3156 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3159 * combine.c (can_combine_p): Mark parameter `pred' with
3161 (find_split_point): Cast variable `src' to (unsigned
3162 HOST_WIDE_INT) when comparing against one.
3163 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3164 (simplify_logical): Likewise.
3165 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3166 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3167 HOST_WIDE_INT) in shift.
3168 (simplify_and_const_int): Cast result of INTVAL() macro to
3169 `unsigned HOST_WIDE_INT' when comparing against one.
3170 (merge_outer_ops): Cast variable const0 to `unsigned
3171 HOST_WIDE_INT' when comparing against the result of
3172 GET_MODE_MASK() macro.
3173 (simplify_comparison): Likewise for variable `c0'. Cast variable
3174 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3175 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3176 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3177 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3178 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3179 comparing against one.
3180 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3182 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3183 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3184 (output_block_move): Cast `sizeof' expression to (int) when
3185 comparing against one.
3186 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3188 (save_restore_insns): Cast `base_offset' to `long' to match format
3189 specifier in fprintf.
3191 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3192 to `enum machine_mode'.
3194 * flow.c (life_analysis_1): Remove unused variable `insn'.
3196 * gcc.c (translate_options): Move variables `j' and `k' into the
3197 scope in which they are used. Change their types to `size_t'.
3198 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3199 (read_specs): Likewise.
3200 (process_command): Cast `sizeof' to (int) when comparing against one.
3201 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3202 (handle_braces): Cast both sides of `==' expression to `long' to
3203 ensure sign matching.
3204 (main): Cast variable `i' to `int' when comparing against one.
3206 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3207 int to size_t. Cast variable `i' to size_t when comparing against
3210 * genattrtab.c (convert_set_attr_alternative): Remove unused
3211 parameter `insn_code'. All callers changed.
3212 (convert_set_attr): Likewise.
3214 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3215 size_t when comparing against one. Likewise for variable `len'.
3217 * global.c (global_alloc): Cast variable `max_regno' to size_t
3218 when comparing against one. Likewise for variable `max_allocno'.
3220 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3222 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3223 `set' with ATTRIBUTE_UNUSED.
3224 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3227 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3228 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3229 (get_condition): Cast variable `const_val' to `unsigned
3230 HOST_WIDE_INT' when comparing against one. Cast unsigned
3231 expression to HOST_WIDE_INT when comparing against one.
3232 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3233 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3234 `unsigned' when comparing against one.
3236 * protoize.c (is_id_char): Change type of parameter `ch' to
3238 (munge_compile_params): Cast argument of ctype macro to (const
3240 (process_aux_info_file): Cast variable `aux_info_size' to int when
3241 comparing against one.
3242 (forward_to_next_token_char): Cast argument of ctype macro to
3243 `const unsigned char'.
3244 (edit_formals_lists): Likewise.
3245 (find_rightmost_formals_list): Likewise.
3246 (add_local_decl): Likewise.
3247 (add_global_decls): Likewise.
3248 (edit_fn_definition): Likewise.
3249 (do_cleaning): Likewise.
3250 (scan_for_missed_items): Likewise.
3251 (edit_file): Cast variable `orig_size' to (int) when comparing
3253 (main): Cast argument of ctype macro to `const unsigned char'.
3255 * recog.c (const_int_operand): Mark parameter `mode' with
3258 * regclass.c (record_reg_classes): Change type of variable `c' to
3259 `unsigned char'. Cast `char' array index to `unsigned char'.
3261 * reload.c (push_secondary_reload): Cast argument to
3262 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3264 * reload1.c (calculate_needs): Cast `char' array index to
3266 (set_label_offsets): Change type of variable `i' to unsigned int.
3267 Cast result of XVECLEN() macro to unsigned when comparing against
3269 (mark_not_eliminable): Change type of variable `i' to unsigned.
3270 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3271 when comparing against one.
3272 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3273 comparing against one.
3274 (choose_reload_regs): Hide unused label `fail'.
3275 (reload_cse_simplify_operands): Cast `char' array index to
3277 (reload_combine_note_store): Mark parameter `set' with
3278 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3280 (reload_cse_move2add): Remove unused variable `src2'.
3282 * sched.c: Include recog.h.
3283 (sched_note_set): Remove unused parameter `b'. All callers
3285 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3286 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3287 when comparing against one.
3289 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3290 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3291 comparing against one.
3293 * unroll.c (precondition_loop_p): Remove unused parameter
3294 `loop_end'. All callers changed.
3296 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3298 * reload1.c (maybe_fix_stack_asms): New static function.
3301 * reload.h (compute_use_by_pseudos): Declare.
3303 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
3304 (something_needs_reloads): Delete variable.
3305 (finish_spills): New function.
3306 (compute_use_by_pseudos): New function.
3308 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
3309 Use the reload_insn_chain instead of walking the rtl directly.
3311 (reload): Allocate and free spilled_pseudos.
3312 Ensure that all calls of spill_hard_reg are followed by a call to
3314 Use the insns_need_reload list instead of something_needs_reloads
3315 to find out if reload_as_needed must be called.
3316 Clear unused_insn_chains at the end.
3318 (calculate_needs_all_insns): Lose FIRST parameter. All callers
3320 Delete code to keep track of current basic block.
3321 Walk reload_insn_chain instead of the rtl structure. Build the
3322 insns_need_reload chain.
3323 Remember which insns need reloading/elimination by setting the
3324 appropriate fields in struct insn_chain, not by putting modes on the
3327 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
3328 arg INSN. All callers changed.
3329 Delete declaration of struct needs.
3330 Don't set something_needs_reloads.
3331 Record insn needs in the CHAIN argument.
3333 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
3335 (reload_as_needed): Lose FIRST arg. All callers changed.
3336 Walk the reload_insn_chain instead of the rtx structure.
3337 Delete code to keep track of current basic block.
3338 Rename one of the NEXT variables to OLD_NEXT.
3340 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
3342 (choose_reload_regs): Likewise.
3344 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
3347 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
3348 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
3349 (hard_regs_live, hard_regs_need_restore): Delete variables.
3350 (n_regs_saved): Now static.
3351 (referenced_regs, this_insn_sets): New variables.
3353 (setup_save_areas): Restructure the code a bit.
3355 (restore_referenced_regs): Delete function.
3356 (mark_referenced_regs): New function, similar to the old
3357 restore_referenced_regs, but mark registers in referenced_regs.
3359 (clear_reg_live): Delete function.
3360 (mark_set_regs): Renamed from set_reg_live. All callers changed.
3361 Only mark registers in this_insn_sets.
3363 (save_call_clobbered_regs): Rework this function to walk the
3364 reload_insn_chain instead of using the list of instructions directly.
3365 Delete code to keep track of register lives, compute live regs on the
3366 fly from information in the chain.
3367 Instead of calling restore_referenced_regs, use mark_referenced_regs,
3368 then walk the set it computes and call insert_restore as appropriate.
3370 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
3372 Restructure the code a bit. Test hard_regs_saved instead of
3373 hard_regs_need_restore.
3374 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
3375 args. All callers changed.
3376 Restructure the code a bit. Use TO_SAVE to determine which regs to
3377 save instead of more complicated test.
3378 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
3380 Create a new insn_chain structure for the new insn and place it
3383 * rtl.texi: Update documentation to reflect that reload no longer
3384 puts modes on the insns.
3386 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3388 * function.c (purge_addressof_1): Force the first argument of a
3389 CALL insn to memory.
3391 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
3393 * rtl.h: Delete duplicate prototypes. Add some missing
3395 * rtlanal.c: (for_each_rtx): Formatting tweak.
3397 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3399 * real.c (emdnorm and etoasc): Disable round to even for c4x target
3400 to be compatible with TI compiler.
3402 * Makefile.in (USER_H): Add va-c4x.h to definition.
3404 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
3406 * function.c (purge_addressof_1): Fix typo in inequality: do
3407 bitfield optimization for equal mode sizes.
3408 * expmed.c (store_bit_field): Don't take subregs of subregs in
3409 the movstrict case. Tidy a potential problem in the multi-word case.
3410 (extract_bit_field): Likewise.
3412 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3414 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
3416 Compute max_uid_for_flow by calling get_max_uid after the scan.
3417 (find_basic_blocks_1): Don't emit NOPs here.
3419 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
3421 * alias.c (base_alias_check): Accept new args for the modes of the
3422 two references. Use them to determine if an AND can overlap. Update
3424 (memrefs_conflict_p): Assume sizes are aligned, and uses them
3425 to determine if an AND can overlap.
3427 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
3429 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
3430 check. Add comment to document problems with TARGET_SUN_FPA version
3432 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
3434 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3436 * Makefile.in (gencheck.o): Depend on gansidecl.h.
3438 * c-common.c (print_char_table): Add missing initializers.
3439 (scan_char_table): Likewise.
3440 (time_char_table): Likewise.
3442 * c-decl.c (c_decode_option): Mark parameter `argc' with
3444 (declare_parm_level): Mark parameter `definition_flag' with
3447 * c-lex.c (readescape): Use `(unsigned)1' in shift.
3448 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
3451 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
3453 (emit_call_1): Mark parameters `fndecl' and `funtype' with
3455 (expand_call): Cast result of MIN() to (unsigned int) when
3456 comparing against an unsigned value.
3458 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
3460 (make_definition): Remove unused parameter `op'. All callers
3462 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
3463 comparing against the result of pointer arithmetic.
3465 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
3466 when comparing against one.
3468 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
3469 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
3471 (output_die): Move variable `i' into the scope in which it is
3472 used. Change its type to `unsigned'.
3473 (output_die): Cast the result of `strlen' to (int) when passing it
3474 to ASM_OUTPUT_ASCII().
3475 (output_pubnames): Likewise.
3476 (output_line_info): Likewise.
3478 * emit-rtl.c (global_rtl): Add missing initializers.
3480 * explow.c (promote_mode): Mark parameter `for_call' with
3483 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
3484 `unsigned HOST_WIDE_INT' when comparing against one.
3485 (synth_mult): Change type of variable `cost' to int.
3486 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
3488 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
3489 when comparing against one.
3490 (get_inner_reference): Change variable `alignment' to unsigned.
3491 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
3492 int) when comparing against one.
3493 (expand_builtin_setjmp): Change type of variable `i' to size_t.
3495 * fold-const.c (div_and_round_double): Cast BASE to
3496 (HOST_WIDE_INT) when comparing against one.
3498 * gencheck.c: Include gansidecl.h.
3499 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
3501 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
3502 `tcode' with ATTRIBUTE_UNUSED.
3504 * real.c (edivm): Cast constant value to (unsigned long) in
3505 expression compared against an unsigned value.
3507 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
3508 comparing against one.
3509 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
3510 when comparing against one.
3512 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
3513 (unsigned int) when comparing against one. Likewise for
3515 (smallest_mode_for_size): Likewise.
3516 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
3517 (restore_storage_status): Likewise.
3519 * toplev.c (debug_args): Add missing initializer.
3520 (f_options): Spelling correction. Add missing initializers.
3521 (documented_lang_options): Likewise.
3522 (debug_end_source_file): Mark parameter `lineno' with
3525 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
3526 `decl' and `type' with ATTRIBUTE_UNUSED.
3528 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
3529 when comparing against one.
3530 (assemble_variable): Mark parameter `top_level' with
3532 (assemble_external_libcall): Mark parameter `fun' with
3534 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
3537 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
3539 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
3540 Replace use of r5 with use of r19.
3542 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
3544 * config/v850/v850.c (compute_register_save_size): Allow for the
3545 fact that helper functions save all registers, not just those used
3548 Replace constant 31 with macro LINK_POINTER_REGNUM.
3550 * config/v850/v850.md: Use 'indirect_operand' rather than
3551 'memory_operand' for bit test/set/clear patterns.
3553 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
3555 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
3556 * varasm.c (assemble_start_function et al): Don't call
3557 ASM_GLOBALIZE_LABEL for weak symbols.
3559 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
3561 * cse.c (equiv_constant): Check for NULL return from
3562 gen_lowpart_if_possible().
3564 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
3566 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
3568 * collect2.c (main): Pass -EL/-EB through to the compiler.
3570 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3572 * expr.c (push_block): Handle targets where the stack grows
3573 to higher addresses, but args grow to lower addresses and
3574 ACCUMULATE_OUTGOING_ARGS is not defined.
3576 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
3578 * config/v850/v850.c (print_operand): Extend meaning
3579 of 'c' operands to support .vtinherit.
3581 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3583 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
3584 Added ATTRIBUTE_UNUSED to unused function arguments.
3585 (rc_reg_operand): New predicate.
3586 (c4x_rptb_insert): New function.
3587 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
3588 (c4x_optimization_options): New function.
3590 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
3591 (decrement_and_branch_on_count): New pattern.
3592 (rptb_top): Modified pattern to work with BCT optimization.
3594 * config/c4x/c4x.h (RC_REG): New register class.
3595 (rc_reg_operand): Define prototype.
3596 (IS_RC_REG): New macro.
3597 (IS_RC_OR_PSEUDO_REG): New macro.
3598 (IS_RC_OR_PSEUDO_REGNO): New macro.
3599 (OPTIMIZATION_OPTIONS): Define.
3601 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
3603 * collect2.c (extract_init_priority): No priority is 65535.
3605 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3607 * Makefile.in (build_tooldir): new variable, same as old
3608 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
3609 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
3610 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
3612 * configure.in (gxx_include_dir): set default based on unlibsubdir
3613 * Makefile.in (tooldir): ditto
3614 (cccp.o, cpplib.o): use unlibsubdir implicitly through
3615 gxx_include_dir, includedir and tooldir
3616 (protoize.o, unprotoize.o): ditto
3618 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
3620 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
3622 * config/arm/thumb.c (thumb_override_options): Add warning about
3623 PIC code not being supported just yet.
3625 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
3627 * flow.c: Update comment.
3628 (notice_stack_pointer_modification): New static function.
3629 (record_volatile_insns): Use it.
3630 (mark_regs_live_at_end): Mark the stack pointer as alive
3631 at the end of the function if current_function_sp_is_unchanging
3633 (life_analysis_1): Set current_function_sp_is_unchanging.
3634 * function.c: Define it.
3635 (init_function_start): Initialize it.
3636 * output.h: Declare it.
3637 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
3638 the stack pointer as alive at the end of the function if
3639 current_function_sp_is_unchanging is set.
3640 * i386.c (ix86_epilogue): Optimize the restoring
3641 of the stack pointer.
3643 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
3645 * version.c: Bump for snapshot.
3647 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
3649 * c-pragma.c (handle_pragma_token): If passed a token instead
3650 of a tree, use that as the pack value.
3652 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
3654 * flow.c (find_basic_blocks_1): Fix prototype.
3656 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
3658 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
3659 (struct tree_decl): New fields no_check_memory_usage.
3660 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
3661 (init_attributes): Register it as a new attribute.
3662 (decl_attributes): Set flags on functions given that attribute.
3663 * c-decl.c (duplicate_decls): Merge new attribute.
3664 * expr.h (current_function_check_memory_usage): Declare new var.
3665 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
3666 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
3667 current_function_check_memory_usage.
3668 * function.h: Add field to struct function.
3669 * function.c (current_function_check_memory_usage): Define it.
3670 (push_function_context_to, pop_function_context_from): Save and
3672 (expand_function_start): Set it, based on global flag and function
3675 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
3676 check non-automatic variables, to permit detection of writes to
3677 read-only locations in embedded systems without memory management.
3678 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
3679 when emitting chkr_set_right_libfunc call, even if the argument is
3680 BLKmode or variable-sized; don't abort.
3682 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
3683 symbols in Pmode, not VOIDmode.
3685 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3687 * cppexp.c: When forcing unsigned comparisons, cast both sides
3690 * cpphash.h: Move static declaration of hashtab[]...
3691 * cpphash.c: ...here.
3693 * cpplib.c: Cast difference of two pointers to size_t before
3694 comparing it to size_t. Cast signed to unsigned
3695 before comparing to size_t. (FIXME: struct argdata should use
3696 unsigned buffer sizes.)
3697 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
3698 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
3699 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
3700 size_t before comparison.
3702 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
3704 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
3705 (find_basic_blocks_1): Similarly.
3706 * output.h (find_basic_blocks): Fix prototype.
3707 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
3708 find_basic_blocks anymore.
3710 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
3712 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
3713 (sbitmap_free, sbitmap_vector_free): New macros.
3714 * output.h (rtl_dump_file): Declare.
3716 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
3718 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
3720 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3722 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
3724 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
3725 (divide): Remove unused variable `tmp'.
3726 (si_to_float): Cast numeric constant to (SItype) before comparing
3729 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
3731 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
3732 * gcc.c (add_preprocessor_option): Correct typo when allocating
3733 memory, sizeof() argument had one too many `*'.
3734 (add_assembler_option): Likewise.
3735 (add_linker_option): Likewise.
3736 * gcov.c (output_data): Likewise.
3737 * local-alloc.c (memref_used_between_p): Likewise.
3738 (update_equiv_regs): Likewise.
3739 * loop.c (strength_reduce): Likewise.
3740 * reg-stack.c (record_asm_reg_life): Likewise.
3741 (subst_asm_stack_reg): Likewise.
3742 * reorg.c (dbr_schedule): Likewise.
3744 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3746 * flow.c (life_analysis_1): Break out some functions.
3747 (find_basic_blocks_1): Likewise. Also move some variables out and
3749 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
3750 new static var nonlocal_label_list with it.
3751 (active_eh_region, nested_eh_region, label_value_list,
3752 nonlocal_label_list): New static variables.
3753 (make_edges, delete_unreachable_blocks, delete_block): New static
3754 functions, broken out of find_basic_blocks_1.
3755 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
3756 noop_move_p): New static functions, broken out of life_analysis_1.
3758 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
3760 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
3761 Take extra care for op0 now possibly being a subreg.
3762 (extract_bit_field): Likewise.
3763 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
3764 the reg to memory if there is no equal sized integral mode.
3765 * stor-layout.c (int_mode_for_mode): New function.
3766 * machmode.h: Prototype it.
3768 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
3770 * global.c (build_insn_chain): Verify no real insns exist past the
3771 end of the last basic block, then exit the loop.
3773 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
3775 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
3777 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
3779 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
3781 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
3783 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
3785 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
3787 * flow.c (find_basic_blocks): Correctly determine when a call
3788 is within an exception region.
3790 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
3792 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
3794 * cpplib.h: Protect from multiple inclusions.
3795 * cpplib.c: Fix minor formatting problems.
3797 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
3799 * jump.c (jump_optimize): Revert accidental patch.
3801 * Makefile.in (cpplib.o): Use unlibsubdir.
3803 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
3805 * loop.c (get_condition): Allow combine when either compare is
3808 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
3810 * version.c: Bump for snapshot.
3812 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
3814 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
3815 (init_lex): Initialize ridpointers[RID_BYREF].
3816 * c-lex.h (enum rid): Add RID_BYREF.
3817 * c-parse.gperf: Add RID_BYREF as a type qualifier.
3818 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
3819 (encode_type_qualifiers): Similarly
3820 * c-gperf.h: Rebuilt.
3822 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
3824 * c-common.c (type_for_mode): Only return TItype nodes when
3825 HOST_BITS_PER_WIDE_INT is >= 64 bits.
3826 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
3827 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
3828 (init_decl_processing): Only create TItype nodes when
3829 HOST_BITS_PER_WIDE_INT is >= 64 bits.
3830 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
3831 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
3833 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3835 * stmt.c (n_occurrences): New static function.
3836 (expand_asm_operands): Verify that all constrains match in the
3837 number of alternatives.
3838 Verify that '+' or '=' are at the beginning of an output constraint.
3839 Don't allow '&' for input operands.
3840 Verify that '%' isn't written for the last operand.
3841 * reload.c (find_reloads): Abort if an asm is found with invalid
3842 constraints; all possible problems ought to be checked for earlier.
3844 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3846 * flags.h (flag_branch_on_count_reg): Always declare
3847 * toplev.c (flag_branch_on_count_reg): Likewise.
3848 * toplev.c: Fix typos.
3850 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
3853 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
3855 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
3857 (find_basic_blocks_1): Add a nop to the end of a basic block when
3858 a trailing call insn does not have abnormal control flow.
3859 * gcse.c (pre_transpout): New variable.
3860 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
3861 (compute_pre_transpout): Calculate it.
3862 (compute_pre_ppinout): Use it to eliminate impossible placements
3863 due to abnormal control flow through calls.
3864 (compute_pre_data): Call compute_pre_transpout.
3866 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3868 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
3870 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
3872 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
3873 and matching define_insns): Tack on a `use' of the table label, so
3874 flow analysis will recognize a tablejump.
3876 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
3878 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
3879 always end basic blocks for abnormal edge reasons.
3881 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
3883 * config/i386/i386.h: Remove definition of
3884 HANDLE_PRAGMA_PACK_PUSH_POP.
3886 * config/i386/go32.h: Add definition of
3887 HANDLE_PRAGMA_PACK_PUSH_POP.
3889 * config/i386/win32.h: Add definition of
3890 HANDLE_PRAGMA_PACK_PUSH_POP.
3892 * config/i386/cygwin32.h: Add definition of
3893 HANDLE_PRAGMA_PACK_PUSH_POP.
3895 * c-pragma.c (insert_pack_attributes): Do not insert
3896 attributes unless #pragma pack(push,<n>) is in effect.
3898 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
3900 * expr.c (emit_group_store): Handle a PARALLEL destination.
3902 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
3904 * gcse.c (pre_insert_insn): When a call ends a bb, insert
3905 the new insns before the argument regs are loaded.
3907 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3909 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
3910 (c-parse.gperf): Update comments describing invocation flags.
3911 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
3913 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
3915 * reload1.c (reload): Call free before clobbering the memory
3916 locations or constants pointers.
3918 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3920 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
3921 for efficiency by checking whether we need to modify the current
3922 stack permission at all.
3923 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
3924 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
3925 __enable_execute_stack libcall here too if
3926 TRANSFER_FROM_TRAMPOLINE is defined.
3927 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
3930 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
3932 * Makefile.in (DRIVER_DEFINES): Remove last change.
3934 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3936 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
3937 insns we're going to copy.
3938 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
3940 * loop.c (count_one_set): Add prototype.
3942 * caller-save.c (restore_referenced_regs): Lose mode argument.
3943 (insert_save): Lose mode argument.
3944 (insert_restore): Lose mode argument.
3945 (insert_one_insn): Lose mode argument.
3946 (save_call_clobbered_regs): Lose mode argument.
3947 (setup_save_areas): Take no argument and return void. All callers
3949 Don't verify validity of memory addresses.
3950 * reload.h (setup_save_ares): Adjust prototype.
3951 (save_call_clobbered_regs): Likewise.
3952 * reload1.c (delete_caller_save_insns): New function.
3953 (caller_save_spill_class): Delete variable.
3954 (caller_save_group_size): Delete variable.
3955 (reload): Call setup_save_areas and save_call_clobbered_regs
3956 in the main loop, before calling calculate_needs_all_insns.
3957 Don't call save_call_clobbered_regs after the loop.
3958 Call delete_caller_save_insns at the end of an iteration if
3960 Delete code to manage caller_save_spill_class.
3961 Emit the final note before setting reload_first_uid.
3962 Simplify test that determines whether reload_as_needed gets run.
3963 (calculate_needs): Delete code to manage caller_save_spill_class.
3965 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
3967 * collect2.c (main): Initialize ld_file_name.
3969 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
3971 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
3972 check for flag_function_sections.
3974 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3976 * cse.c (insert_regs): Fix bug in Sep 24 change.
3978 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3980 * flags.h (flag_dump_unnumbered): Declare.
3981 * toplev.c (flag_dump_unnumbered): Don't declare.
3982 * print-rtl.c (flags.h): Include.
3983 (print_rtl_single): Add return value.
3984 * rtl.h (print_rtl_single): Update declaration.
3985 * flow.c (flag_dump_unnumbered): Don't declare.
3986 (print_rtl_with_bb): Use return value of print_rtl_single.
3988 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3990 * loop.c (count_one_set): New static function, broken out of
3992 (count_loop_regs_set): Call it.
3993 * global.c (mark_reg_store): Handle clobbers here by not calling
3995 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
3996 is in fact a clobber.
3997 * integrate.c (process_reg_param): New function, broken out of
3998 expand_inline_function.
3999 (expand_inline_function): Call it.
4002 * i386.md (addsidi3_1): Delete unused variable temp.
4003 (addsidi3_2): Likewise.
4004 (clstrstrsi): Delete unused variable addr1.
4006 * rtl.h: Don't declare any functions also declared in recog.h.
4008 * Makefile.in (stupid.o): Update dependencies.
4009 (global.o): Likewise.
4011 * global.c: Include reload.h
4012 (reg_becomes_live): New function.
4013 (reg_dies): New function.
4014 (build_insn_chain): New function.
4015 (global_alloc): Call build_insn_chain before calling reload.
4017 * reload.h (struct needs): New structure definition.
4018 (struct insn_chain): Likewise.
4019 (reload_insn_chain): Declare variable.
4020 (new_insn_chain): Declare function.
4023 * reload1.c (reload_startobj): New variable.
4024 (reload_insn_chain): New variable.
4025 (unused_insn_chains): New variable.
4026 (new_insn_chain): New function.
4027 (init_reload): Initialize reload_startobj, not reload_firstobj.
4028 (reload): Initialize reload_firstobj.
4029 Before returning, free everything on the reload_obstack.
4031 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4032 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4033 current_chain): New variables.
4034 (reg_where_born): Delete variable.
4035 (REG_WHERE_BORN): New macro.
4036 (find_clobbered_regs): New function.
4037 (stupid_life_analysis): Don't allocate/free reg_where_born.
4038 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4039 reg_where_dead_chain.
4040 Use REG_WHERE_BORN instead of reg_where_born.
4041 While processing the insns, build the reload_insn_chain with
4042 information about register lifetimes.
4043 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4044 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4046 Compute and information about birth and death of pseudo registers in
4047 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4048 Delete code to set elements of reg_where_born.
4050 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4052 * tree.def (GOTO_EXPR): Modified documentation.
4053 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4056 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4058 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4059 loop_final_value, loop_comparison_code): No longer static.
4060 (unroll_loop): Delete loop_start_value update.
4061 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4062 loop_final_value, loop_comparison_code): Extern.
4063 (loop_start_value): Delete extern.
4064 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4065 loop_comparison_value, loop_comparison_code): Delete.
4066 (loop_optimize): Remove initialization for deleted variables.
4067 (strength_reduce): Delete analyze_loop_iterations call. Only call
4068 insert_bct if flag_branch_count_on_reg set.
4069 (analyze_loop_iterations): Delete.
4070 (insert_bct): Remove iteration count calculation. Move checks for
4071 viable BCT optimization to here. Obtain iteration count from
4072 loop_iterations and correct for unrolling. Check for enough
4073 iteration to be beneficial. Comment out runtime iteration count
4075 (insert_bct): Print iteration count in dump file. Remove
4076 loop_var_mode and use word_mode directly.
4078 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4079 * rs6000.c (rs6000_override_options): Use it.
4080 (optimization_options): Enable use of flag_branch_on_count_reg.
4081 * rs6000.md (define_function_unit): Describe 604e.
4083 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4085 * loop.c (move_movables): Corrected threshold calculation for
4086 moved_once registers.
4088 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4090 * loop.c (combine_givs_p): Fix test for identical givs.
4092 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4094 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4095 call abort if the function is already defined.
4097 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4099 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4100 truncation is not a no-op.
4102 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4104 * version.c: Bump for snapshot.
4106 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4108 * version.c: Bump for snapshot.
4110 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4112 * expmed.c (expand_divmod): Don't widen for computing remainder
4113 if we seem to have a divmod pattern for needed mode.
4115 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4117 * cpplib.c (macroexpand): Correct off-by-one error in handling
4120 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4122 * combine.c (expand_field_assignment): Don't do bitwise operations
4123 on MODE_FLOAT; pun to MODE_INT if possible.
4125 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4126 scott snyder <snyder@d0sgif.fnal.gov>
4128 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4129 linker. Recognize mangled names in quotes.
4131 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4133 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4134 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4135 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4136 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4138 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4140 * function.c (purge_addressof_1): If trying to take a sub-word
4141 integral piece of a floating point mode, put it on the stack.
4143 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4145 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4147 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4149 * PROJECTS: Remove template friends.
4151 * collect2.c (sort_ids): Remove unused variable.
4153 * tm.texi (MATH_LIBRARY): Document.
4154 (NEED_MATH_LIBRARY): Remove.
4156 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4157 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4159 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4161 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4162 last_end to 0x7fffffff.
4164 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4166 * function.c (purge_addressof_1): Do not perform endianness
4167 corrections on bitpos, who we call will do it for us.
4169 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4171 * h8300.c (WORD_REG_USED): Fix typo.
4172 (initial_offset): Use WORD_REG_USED.
4174 * h8300.c (handle_pragma): Fix typo.
4176 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4178 * caller-save.c (insert_save_restore): Break this function up
4179 into new functions insert_restore, insert_save and insert_one_insn.
4180 All callers changed.
4181 (insert_restore): New function, mostly broken out of
4182 insert_save_restore.
4183 (insert_save): Likewise.
4184 (insert_one_insn): Likewise.
4185 (restore_referenced_regs): New argument BLOCK. All callers changed.
4186 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4187 in this function, do it in insert_one_insn instead.
4189 * reload1.c (reload): Break out some more pieces into separate
4191 (dump_needs): New function, broken out of reload.
4192 (set_initial_elim_offsets): Likewise.
4193 (init_elim_table): Likewise.
4194 (update_eliminables): Likewise.
4196 * global.c (global_alloc): Delete code to manage the scratch_list.
4197 * local-alloc.c (qty_scratch_rtx): Delete.
4198 (scratch_block): Delete.
4199 (scratch_list): Delete.
4200 (scratch_list_length): Delete.
4201 (scratch_index): Delete.
4202 (alloc_qty_for_scratch): Delete.
4203 (local-alloc): Update initialization of max_qty.
4204 Delete code to manage the scratch list.
4205 Delete code to allocate/initialize qty_scratch_rtx.
4206 (block_alloc): Don't allocate quantities for scratches.
4207 Delete code to manage the scratch list.
4208 * regs.h (scratch_list): Delete declaration.
4209 (scratch_block): Delete declaration.
4210 (scratch_list_length): Delete declaration.
4211 * reload1.c (reload): Delete code to manage the scratch list.
4212 (spill_hard_reg): Likewise.
4213 (mark_scratch_live): Delete.
4215 * recog.c (alter_subreg): Delete declaration.
4217 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4219 * Makefile.in (cccp.o): Fix typo in last patch.
4221 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4223 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4224 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4226 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4228 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4229 NULL_RTX as an argument.
4231 * Makefile.in (unlibsubdir): Define.
4232 (DRIVER_DEFINES): Use unlibsubdir.
4233 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4234 (stmp-fixinc): Similarly.
4236 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4238 * regmove.c (regmove_optimize): Add variable old_max_uid.
4239 At the end of the function, update basic_block_end.
4241 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4243 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4244 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4247 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4249 * config/arm/arm.c: Improve interworking support.
4251 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4253 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4254 copied from reload_out[r] .
4256 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4258 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4259 with more than three size ranges.
4261 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4263 * rtl.c (mode_name): Add a null string at the end of the array.
4264 (mode_wider_mode): Change type to unsigned char.
4265 (mode_mask_array): New variable.
4266 (init_rtl): Update for mode_wider_mode type change.
4268 * rtl.h (mode_wider_mode): Change type to unsigned char.
4269 (mode_mask_array): Declare.
4270 (GET_MODE_MASK): Use mode_mask_array.
4272 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4274 * calls.c (expand_call) : Encapsulate code into
4275 copy_blkmode_from_reg.
4276 * expr.c (copy_blkmode_from_reg): New function.
4277 * expr.h (copy_blkmode_from_reg): New function.
4278 * integrate.c (function_cannot_inline_p): We can inline
4280 (expand_inline_function): Use copy_blkmode_from_reg
4281 if needed. Avoid creating BLKmode REGs.
4282 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4285 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4287 * config/v850/v850.c: Add function prototypes.
4288 Add support for v850 special data areas.
4290 * config/v850/v850.h: Add support for v850 special data areas.
4292 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4293 HANDLE_PRAGMA_PACK_PUSH_POP.
4294 (push_alignment): New function: Cache an alignment requested
4295 by a #pragma pack(push,<n>).
4296 (pop_alignment): New function: Pop an alignment from the
4298 (insert_pack_attributes): New function: Generate __packed__
4299 and __aligned__ attributes for new decls whilst a #pragma pack
4301 (add_weak): New function: Cache a #pragma weak directive.
4302 (handle_pragma_token): Document calling conventions. Add
4303 support for #pragma pack(push,<n>) and #pragma pack (pop).
4305 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
4306 are defined enable HANDLE_PRAGMA_PACK.
4307 Move 'struct weak_syms' here (from varasm.c).
4308 Add pragma states for push and pop pragmas.
4310 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
4313 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
4314 HANDLE_GENERIC_PRAGMAS.
4316 * varasm.c: Move definition of 'struct weak_syms' into
4318 (handle_pragma_weak): Deleted.
4320 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4322 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4324 * c-decl.c (start_function): Add invocation of
4325 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
4327 * tm.texi: Remove description of non-existant macro
4328 SET_DEFAULT_SECTION_NAME.
4330 (HANDLE_SYSV_PRAGMA): Document.
4331 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
4333 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
4335 * config.sub: Recognize i[34567]86-pc-udk as new target.
4336 * configure.in: Likewise.
4337 * config/i386/t-udk: New file.
4338 * config/i386/udk.h: New file.
4340 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
4342 * reorg.c (check_annul_list_true_false): Remove unused variables.
4343 (steal_delay_list_from_target): Add missing "used_annul" variable.
4344 (try_merge_delay_insns): Close out half formed comment.
4346 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4348 * cpplib.c (macroexpand): If arg->raw_before or
4349 arg->raw_after, remove any no-reexpansion escape at the
4350 beginning of the pasted token. Correct handling of whitespace
4351 markers and no-reexpand markers at the end if arg->raw_after.
4353 * toplev.c (documented_lang_options): Recognize -include,
4354 -imacros, -iwithprefix, -iwithprefixbefore.
4355 * cpplib.c (cpp_start_read): Process -imacros and -include
4356 switches at the same time and in command-line order, after
4357 initializing the dependency-output code. Emit properly nested
4358 #line directives for them. Emit a #line for the main file
4359 before processing these switches, and don't do it again
4362 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
4364 * function.c (purge_addressof_1): Use bitfield manipulation
4365 routines to handle mem mode < reg mode.
4367 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4369 * reorg.c (try_merge_delay_insns): Account for resources referenced
4370 in each instruction in INSN's delay list before trying to eliminate
4371 useless instructions. Similarly when looking at a trial insn's delay
4374 * reorg.c (check_annul_list_true_false): New function.
4375 (steal_delay_list_from_{target,fallthrough}): Call it and also
4376 refine tests for when we may annul if already filled a slot.
4377 (fill_slots_from_thread): Likewise.
4378 (delete_from_delay_slot): Return newly-created thread.
4379 (try_merge_delay_isns): Use its new return value.
4381 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
4383 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
4384 used to compute a giv or as some other non-counting use.
4386 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4388 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4389 * local-alloc.c (find_free_reg): Use it.
4390 * global.c (find_reg): Likewise.
4391 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
4393 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
4394 * caller-save.c (init_caller_save): Use it.
4395 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
4397 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4399 * configure.in: Add --enable-cpplib option which uses cpplib
4400 for cpp, but doesn't link cpplib into cc1. Make help text
4401 capitalization consistent.
4402 * configure: Rebuilt.
4404 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
4406 * function.c (gen_mem_addressof): If the address REG is
4407 REG_USERVAR_P make the new REG be so also.
4408 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
4409 in an attempt to clarify slightly.
4411 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
4413 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
4414 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
4416 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
4418 * toplev.c: Fix last patch.
4420 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
4422 * loop.c (get_condition): Fix typo in May 9 change.
4424 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4426 * invoke.texi (-fexceptions): Merge 2 different descriptions.
4428 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4430 * toplev.c (documented_lang_options): Spelling corrections.
4432 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4434 * configure.in: new flags --with-ld and --with-as, equivalent
4435 to setting LD and AS environment variables. Test whether
4436 specified arguments are GNU commands, and report them with
4437 checking messages. Use the specified AS for configure
4440 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
4442 * gcc.c (find_a_file): when looking for `as' and `ld', return
4443 the DEFAULT program if it exists
4444 * collect2.c (main): use DEFAULT_LINKER if it exists
4446 * gcc.c (find_a_file): the test for existence of a full
4447 pathname was reversed
4449 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
4451 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
4452 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
4454 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
4456 * tree.h (TYPE_BINFO): Document.
4458 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
4460 * i386-coff.h (dbxcoff.h): Added.
4462 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
4464 * toplev.c: fix bad patch around flag_data_sections.
4466 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
4468 * reload1.c (reload): Use reload_address_index_reg_class and
4469 reload_address_base_reg_class when setting
4470 caller_save_spill_class. (Patch generated by Jim Wilson:
4473 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
4475 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
4476 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
4477 * expr.c (store_field): Add alias_set parameter. Set the
4478 MEM_ALIAS_SET accordingly, if the target is a MEM.
4479 (expand_assignment): Use it.
4480 (store_constructor_field): Pass 0.
4481 (expand_expr): Likewise.
4483 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
4485 * flags.h: Add flag_data_sections.
4486 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
4487 (compile_file): Error if flag_data_sections not supported.
4488 * varasm.c (assemble_variable): Handle flag_data_sections.
4489 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
4490 * config/mips/elf.h: Likewise.
4491 * config/mips/elf64.h: Likewise.
4492 * invoke.texi: Describe -fdata-sections.
4494 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
4496 * invoke.texi (-ffloat-store): Clarify that this option
4497 does not affect intermediate results -- only variables.
4499 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
4501 * cpp.texi: Update for Fortran usage from Craig.
4503 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4505 * rs6000.c (function_arg_boundary): Revert accidental change on
4508 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
4510 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
4511 (output_mi_thunk): Declare.
4513 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
4514 (output_function_profiler): Use r12 for temp, instead of r11 so
4515 that we preserve the static chain register.
4517 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
4519 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
4521 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4523 * sh.c (gen_shl_sext): Fix case 5.
4525 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4527 * reload1.c (reload_combine): Re-add line that got accidentally lost.
4529 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4531 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
4532 accessing variables until they are initialized via va_arg().
4534 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4536 * reload1.c (reload_combine): Initialize set before using.
4538 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
4540 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
4543 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
4545 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
4546 operand3 with mask before using it. Patch provided by Jim Wilson.
4548 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4550 * config/sparc/sparc.c (function_value): Perform the equivalent of
4551 PROMOTE_MODE for ARCH64.
4552 (eligible_for_epilogue_delay): Allow DImode operations in delay
4553 slot of a return for ARCH64.
4555 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4557 * sh.md (sqrtsf2): Fix mode of sqrt.
4559 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4561 * reload1.c (choose_reload_regs): Also try inheritance when
4562 reload_in is a stack slot of a pseudo, even if we already got a
4565 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4567 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
4568 (reload_cse_regs): New function body: call reload_cse_regs_1,
4569 reload_combine, reload_cse_move2add.
4570 When doing expensive_optimizations, call reload_cse_regs_1 a
4571 second time after reload_cse_move2add.
4572 (reload_combine, reload_combine_note_store): New functions.
4573 (reload_combine_note_use): New function.
4574 (reload_cse_move2add, move2add_note_store): New functions.
4576 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4578 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
4579 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
4581 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
4582 more than 3 such reloads.
4584 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
4585 RELOAD_FOR_X_ADDR_ADDR reload.
4587 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4589 * expr.c (store_constructor): When initializing a field that is smaller
4590 than a word, at the start of a word, try to widen it to a full word.
4592 * cse.c (cse_insn): When we are about to change a register,
4593 remove any invalid references to it.
4595 (remove_invalid_subreg_refs): New function.
4596 (mention_regs): Special treatment for SUBREGs.
4597 (insert_regs): Don't strip SUBREG for call to mention_regs.
4598 Check if reg_tick needs to be bumped up before that call.
4599 (lookup_as_function): Try to match known word_mode constants when
4600 looking for a norrower constant.
4601 (canon_hash): Special treatment for SUBREGs.
4603 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4605 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
4606 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
4607 defined, emit libcall to __enable_execute_stack. Also fix opcodes
4608 and offsets in actual stack trampoline code so they match the
4609 commentary and actually work.
4611 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4613 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
4615 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
4616 tmake_file. Set extra_parts to needed crt objects.
4617 * configure: Rebuilt.
4618 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
4619 (TARGET_DEFAULT): Set if default is v9 or ultra.
4620 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
4621 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
4622 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
4623 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
4624 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
4625 (TARGET_VERSION): Define.
4626 (MULTILIB_DEFAULT): Define.
4627 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
4628 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
4629 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
4631 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
4632 * config/sparc/sparc.c (sparc_override_options): If arch and
4633 pointer size disagree, emit diagnostic and fix it up. If
4634 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
4635 V8PLUS in 64-bit mode.
4636 * config/sparc/t-linux64: New file.
4637 * config/sparc/t-sol2-64: New file.
4638 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
4639 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
4640 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
4641 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
4642 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
4643 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
4645 (STARTFILE_SPEC): Set approriately based upon those.
4646 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
4647 disposition of DEFAULT_ARCH32_P.
4648 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
4649 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
4650 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
4651 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
4652 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
4654 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
4656 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
4658 * rtl.h (init_virtual_regs): New function.
4659 * emit-rtl.c (init_virtual_regs): Define.
4660 (insn_emit): Use it.
4661 * integrate.c (save_for_inline_copying): Likewise.
4663 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
4665 * config/arm/thumb.h: The following patches were made by Jim Wilson:
4666 (enum reg_class): Add NONARG_LO_REGS support.
4667 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4668 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
4669 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
4670 completes. Re-enable HImode REG+OFFSET addresses.
4671 (LEGITIMIZE_RELOAD_ADDRESS): Define.
4673 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
4675 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
4677 * alpha.c (get_aligned_mem): Revert Sep 20 change.
4678 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
4679 (alpha_align_insns): Properly calculate initial offset wrt max_align.
4681 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
4683 * arm.c (find_barrier): Revert change of Apr 23. Handle table
4684 jumps as a single entity, taking into account the size of the
4687 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4689 * tree.def (SWITCH_EXPR): New tree node definition.
4691 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
4693 * version.c: Bump for snapshot.
4695 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
4697 * version.c: Bump for snapshot.
4699 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
4701 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
4704 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
4706 * Revert this patch.
4707 * reload.c (find_reloads): Do not replace a pseudo with
4708 (MEM (reg_equiv_addr)) in the initializing insn for the
4711 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
4713 * final.c (final_scan_insn): Disable tracking CC across branches.
4715 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4717 * expr.h (eh_rtime_match_libfunc): New extern declaration.
4718 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
4719 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
4720 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
4721 NULL. Only include <stdio.h> if inhibit_libc is not defined.
4723 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
4725 * toplev.c (rest_of_compilation): Skip compiling anything with
4726 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
4728 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
4730 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
4731 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
4732 use in_libcall_block.
4733 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
4734 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
4737 Mon Sep 21 14:02:23 1998
4739 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
4740 typo in no-fancy-math-387 description.
4742 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
4744 * version.c: Bump for snapshot.
4746 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
4748 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
4750 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
4752 * i386.h: (TARGET_SWITCHES) Add description fields for flags
4753 documented in install.texi.
4754 (TARGET_OPTIONS) Likewise.
4756 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
4758 * version.c: Bump for snapshot.
4760 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
4762 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
4763 * cccp.c (main): Likewise.
4765 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
4766 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
4769 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
4771 * Makefile.in (LIBS): Link in libiberty.a.
4772 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
4774 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
4776 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
4777 it to update bb boundaries. Update caller.
4778 * function.c (reposition_prologue_and_epilogue_notes): Update
4779 bb boundaries wrt the moved note.
4781 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
4783 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
4785 * configure: Regenerate.
4787 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
4789 * alpha.c (alpha_sr_alias_set): New variable.
4790 (override_options): Set it.
4791 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
4792 (mode_mask_operand): Fix signed-unsigned comparision warning.
4793 (alpha_expand_block_move): Likewise.
4794 (print_operand): Likewise.
4795 (get_aligned_mem): Use change_address.
4796 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
4797 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
4798 (alphaev4_next_nop, alphaev5_next_nop): New functions.
4799 (alpha_align_insns): Remade from old alphaev5_align_insns
4800 to handle multiple processors.
4801 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
4802 * output.h (label_to_alignment): Prototype.
4804 * tree.c (new_alias_set): New function.
4805 * tree.h (new_alias_set): Declare it.
4806 * c-common.c (c_get_alias_set): Use it.
4808 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
4810 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
4811 to an ABS expr, convert an unsigned input to signed.
4813 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
4815 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
4817 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4819 * configure.in: Add support for c4x targets.
4820 * configure: Rebuilt.
4822 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
4824 * combine.c (distribute_notes): If an insn is a cc0 user, only
4825 delete it if we can also delete the cc0 setter.
4827 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
4829 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
4830 (invert_truthvalue): Enable truthvalue inversion for
4831 floating-point operands if -ffast-math.
4833 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
4835 * configure.in: Disable collect2 for nextstep. Instead use
4837 * configure: Rebuilt.
4838 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
4839 (ENDFILE_SPEC): Define.
4840 (OBJECT_FORMAT_MACHO): Define.
4841 (EH_FRAME_SECTION_ASM_OP): Define.
4842 * crtstuff.c: Handle MACHO.
4844 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
4846 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
4848 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
4850 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
4851 (_fpadd_parts): Get sign right for 0.
4853 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4855 * ginclude/varargs.h: Add support for C4x target.
4856 * ginclude/stdargs.h: Likewise.
4858 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
4860 * alpha.c (alpha_return_addr): SET should be VOIDmode.
4861 (alpha_emit_set_long_const): Rewrite to be callable from reload
4863 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
4864 * alpha.md (movdi): Likewise.
4866 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
4868 * arm.c (add_constant): New parameter address_only, change caller.
4869 Set it non-zero if taking the address of an item in the pool.
4870 (arm_reorg): Handle cases where we need the address of an item in
4873 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
4875 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
4876 memory addresses that are not in standard canonical form.
4878 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
4880 * README.C4X: New file with information about the c4x ports.
4881 * ginclude/va-c4x.h: New file for c4x varargs support.
4882 * config/c4x: New directory with c4x port files.
4884 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
4886 * reload.c (find_reloads): Do not replace a pseudo with
4887 (MEM (reg_equiv_addr)) in the initializing insn for the
4890 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
4892 * toplev.c (rest_of_compilation): Set bct_p on second call to
4894 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
4896 (strength_reduce): Only call analyze_loop_iterations and
4897 insert_bct if bct_p set.
4898 (check_dbra_loop): Fix typo.
4899 (insert_bct): Use word_mode instead of SImode.
4900 (instrument_loop_bct): Likewise. Do not delete iteration count
4901 condition code generation insn. Initialize iteration count before
4903 * rtl.h (loop_optimize): Update prototype.
4905 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
4906 not doubleword aligned.
4908 * rs6000.c (optimization_options): New function.
4909 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
4910 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
4911 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
4912 first; cr1 can be used for FP record condition insns.
4914 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
4916 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
4919 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
4922 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
4924 (block_move_call): New function: Call a library routine to copy a
4926 (m32r_expand_block_move): New function: Expand a "movstrsi"
4927 pattern into a sequence of insns.
4928 (m32r_output_block_move): New function: Expand a
4929 "movstrsi_internal" pattern into a sequence of assembler opcodes.
4930 (m32r_block_immediate_operand): New function: Return true if the
4931 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
4933 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4935 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
4937 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
4939 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4941 * regmove.c (copy_src_to_dest): Check that modes match.
4943 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
4945 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
4947 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
4949 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
4950 narrower than FLOAT_REGS.
4952 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4954 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
4956 * Makefile.in (old_gxx_include_dir): removed
4958 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
4960 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
4963 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
4964 (sh_handle_pragma): Change function arguments to match new
4965 specification for HANDLE_PRAGMA.
4967 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4969 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
4971 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
4972 When generating output, initialize missing struct member to zero.
4974 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4976 * regmove.c (copy_src_to_dest): Don't copy if that requires
4977 (a) new register(s).
4979 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4981 * global.c (reg_allocno): Now static.
4982 * reload1.c (reg_allocno): Delete declaration.
4983 (order_regs_for_reload): Take no arguments. Don't treat regs
4984 allocated by global differently than those allocated by local-alloc.
4986 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
4988 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
4989 condition, fix format strings.
4990 (output_function_epilogue): Likewise.
4992 * m68k/m68k.c: Don't include <stdlib.h> directly.
4994 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
4996 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
4997 mem_first_set, mem_last_set; because 0 can be a CUID.
4998 (oprs_unchanged_p): Use new definition.
4999 (record_last_reg_set_info): Likewise.
5000 (record_last_mem_set_info): Likewise.
5001 (compute_hash_table): Likewise.
5003 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5005 * rs6000.c (output_epilogue): Handle Chill.
5007 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5008 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5010 * combine.c (make_extraction): If no mode is specified for
5011 an operand of insv, extv, or extzv, default it to word_mode.
5012 (simplify_comparison): Similarly.
5013 * expmed.c (store_bit_field): Similarly.
5014 (extract_bit_field): Similarly.
5015 * function.c (fixup_var_regs_1): Similarly.
5016 * recog.c (validate_replace_rtx_1): Similarly.
5017 * mips.md (extv, extzv, insv expanders): Default modes for most
5018 operands. Handle TARGET_64BIT.
5019 (movdi_uld, movdi_usd): New patterns.
5021 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5022 equivalent memory location unless we have been provided a scratch
5023 register. Similarly do not call find_replacement unless a
5024 scratch register has been provided.
5026 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5028 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5031 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5033 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5034 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5035 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5036 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5037 * c-decl.c (init_decl_processing): Update accordingly.
5038 * expr.c (expand_builtin): Likewise.
5040 * rtl.h (global_rtl): Add cfa entry.
5041 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5042 (LAST_VIRTUAL_REGISTER): Update.
5043 * emit-rtl.c (global_rtl): Add cfa entry.
5044 (init_emit): Initialize it.
5045 * function.c (cfa_offset): New.
5046 (instantiate_virtual_regs): Initialize it.
5047 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5048 (expand_function_end): Call expand_eh_return.
5049 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5051 * except.c (current_function_eh_stub_label): Kill.
5052 (current_function_eh_old_stub_label): Likwise; update all references.
5053 (expand_builtin_set_return_addr_reg): Kill.
5054 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5055 (expand_builtin_set_eh_regs): Kill.
5056 (eh_regs): Produce a third reg for the actual handler address.
5057 (eh_return_context, eh_return_stack_adjust): New.
5058 (eh_return_handler, eh_return_stub_label): New.
5059 (init_eh_for_function): Initialize them.
5060 (expand_builtin_eh_return, expand_eh_return): New.
5061 * except.h: Update prototypes.
5062 * flow.c (find_basic_blocks_1): Update references to the stub label.
5063 * function.h (struct function): Kill stub label elements.
5065 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5066 register number is one that would be in the previous window.
5067 Provide a dummy definition for non-windowed targets.
5068 (get_reg_addr): New function.
5069 (get_reg, put_reg, copy_reg): Use it.
5070 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5071 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5073 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5074 (alpha_init_expanders): Initialize it.
5075 (alpha_expand_epilogue): Use it.
5076 * alpha.h: Declare it.
5077 * alpha.md (eh_epilogue): New.
5079 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5080 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5082 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5084 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5087 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5089 * except.h (struct eh_entry): Add false_label field.
5090 (end_catch_handler): Add prototype.
5091 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5092 (start_catch_handler): When using old style exceptions, issue
5093 runtime typematch code before continuing with the handler.
5094 (end_catch_handler): New function, generates label after handler
5095 if needed by older style exceptions.
5096 (expand_start_all_catch): No need to check for new style exceptions.
5097 (output_exception_table_entry): Only output the first handler label
5098 for old style exceptions.
5099 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5100 mechanism into one function, if a runtime matcher is provided.
5102 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5104 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5106 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5108 * integrate.c (copy_decl_list): Fix typo.
5110 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5112 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5115 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5117 * version.c: Bump for snapshot.
5119 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5121 * version.c: Bump for snapshot.
5123 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5125 * version.c: Bump for snapshot.
5127 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5129 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5131 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5133 * configure.in: remove usage of `!' to negate the result of a
5134 command; some common shells do not support it
5136 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5138 * configure.in: in sparc9-sol2 config, use 'if test' not
5140 * configure: Rebuilt.
5142 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5144 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5145 (CPP_CPU_DEFAULT_SPEC): Likewise.
5146 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5147 for arch64 libfuncs.
5149 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5152 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5154 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5156 * collect2.c: Don't declare `sys_siglist' here.
5157 (my_strsignal): Prototype and define new function. Use it in
5158 place of `sys_siglist' hacks.
5160 * mips_tfile.c: Likewise.
5162 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5163 (GCC_NEED_DECLARATIONS): Likewise.
5165 * system.h (strsignal): Prototype it, if necessary.
5166 (sys_siglist): Declare it, if necessary.
5168 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5170 * loop.c (move_movables): While removing insn sequences, preserve
5171 the next pointer of the most recently deleted insn when we skip
5174 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5176 * objc/config-lang.in: Do not output the name of the selected
5177 thread file when building the front-end. The Makefile for the
5178 runtime library will do this.
5180 * objc/Make-lang.in: Do not build the runtime library or install
5181 the Objective C header files. The Makefile for the runtime
5182 library will do this.
5184 * objc/Makefile.in (all.indirect): Only build the front-end.
5185 (compiler): Rename to `frontend'.
5186 (obj-runtime): Remove target.
5187 (copy-headers): Likewise.
5188 (clean): No need to remove `libobjc.a' any longer.
5190 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5192 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5193 supported with -mcpu=xxx.
5195 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5197 * flow.c (mark_set_1): Recognize multi-register structure return
5198 values in CALL insns.
5199 (mark_used_regs): Likewise.
5200 (count_reg_sets_1): Likewise.
5201 (count_reg_references): Likewise.
5202 * rtlanal.c (note_stores): Likewise.
5203 (reg_overlap_mentioned_p): Likewise.
5204 * haifa-sched.c (check_live_1): Likewise.
5205 (update_live_1): Likewise.
5206 (sched_analyze_1): Likewise.
5207 (sched_note_set): Likewise.
5208 (birthing_insn_p): Likewise.
5209 (attach_deaths): Likewise.
5211 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5214 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5216 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5218 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5220 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5222 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5224 * configure.in: Add check for GAS subsection -1 support.
5225 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5226 * configure config.in: Rebuilt.
5227 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5228 SImode is subsection -1 works, else use DImode.
5229 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5230 subsection -1 works.
5231 * config/sparc/sparc.c (sparc_output_addr_vec,
5232 sparc_output_addr_diff_vec): Use them if defined.
5234 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5236 * tree.h (DECL_ORIGIN): New macro.
5237 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5238 (copy_decl_list): Use it.
5239 (integrate_parm_decls): Likewise.
5240 (integrate_decl_tree): Likewise.
5241 * dwarf2out.c (decl_ultimate_origin): Simplify.
5242 * dwarfout.c (decl_ultimate_origin): Likewise.
5243 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5244 (pushdecl): Likewise.
5246 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5248 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5250 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5252 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5254 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5256 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5257 empty or has a single entry.
5259 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5260 before calling reg_to_stack.
5262 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5264 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5265 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5267 * c-tree.h (warn_long_long): Declare it.
5269 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5271 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5272 initialized float-int union if the value is a NaN.
5274 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5276 * c-lex.c (real_yylex): Don't warn about long long constants if
5277 we're allowing long long
5279 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5281 * except.h (current_function_eh_stub_label): Declare.
5282 (current_function_eh_old_stub_label): Declare.
5283 * function.h (struct function): New members eh_stub_label and
5285 * except.c (current_function_eh_stub_label): New variable.
5286 (current_function_eh_old_stub_label): New variable.
5287 (init_eh_for_function): Clear them.
5288 (save_eh_status): Save them.
5289 (restore_eh_status): Restore them.
5290 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5291 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5292 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5293 make an edge from the block that contains it to the block starting
5294 with the label if this label is one of the eh stub labels.
5295 If eh stub labels exist, show they are reachable from the last block
5298 * reload1.c (reload): Break out several subroutines and make some
5300 (calculate_needs_all_insns): New function, broken out of reload.
5301 (calculate_needs): Likewise.
5302 (find_reload_regs): Likewise.
5303 (find_group): Likewise.
5304 (find_tworeg_group): Likewise.
5305 (something_needs_reloads): New global variable, formerly in reload.
5306 (something_needs_elimination): Likewise.
5307 (caller_save_spill_class): Likewise.
5308 (caller_save_group_size): Likewise.
5309 (max_needs): Likewise.
5310 (group_size): Likewise.
5311 (max_groups): Likewise.
5312 (max_nongroups): Likewise.
5313 (group_mode): Likewise.
5314 (max_needs_insn): Likewise.
5315 (max_groups_insn): Likewise.
5316 (max_nongroups_insn): Likewise.
5317 (failure): Likewise.
5319 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
5321 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
5323 * loop.c (load_mems): Copy rtx for output mem.
5325 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
5327 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
5328 mips1 or mips2 either.
5330 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
5332 * pa.c (pa_reorg): New marking scheme for jumps inside switch
5334 (pa_adjust_insn_length): Update to work with new marking scheme
5335 for jumps inside switch tables.
5336 * pa.md (switch_jump): Remove pattern.
5337 (jump): Handle jumps inside jump tables.
5339 * Makefile.in (profile.o): Depend on insn-config.h
5341 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
5343 * iris6.h (DWARF2_UNWIND_INFO): Undef.
5345 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5347 Add preliminary native sparcv9 Solaris support.
5348 * configure.in: Recognize sparv9-*-solaris2*
5349 * configure: rebuilt
5350 * config.sub: Recognize sparcv9 just like sparc64.
5351 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
5352 config/sparc/sol2-cn.asm: Macroize so it can be shared between
5353 32-bit and 64-bit Solaris systems.
5354 * config/sparc/t-sol2: Assemble those with cpp.
5355 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
5356 (*TF*_LIBCALL): If ARCH64 use V9 names.
5357 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
5359 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5361 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
5362 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
5364 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
5366 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
5367 to Pmode if CASE_VECTOR_MODE is something else.
5369 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
5371 * prefix.c (update_path): Correctly handle cases where PATH is
5372 a substring of the builtin prefix, but specifies a different
5375 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
5377 * expr.c: Corrected comment about what MOVE_RATIO does.
5378 * config/alpha/alpha.h: Ditto.
5379 * config/1750a/1750a.h: Ditto.
5380 * config/clipper/clipper.h: Ditto.
5381 * config/i386/i386.h: Ditto.
5383 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
5385 * configure.in (m68k-next-nextstep3*): Use collect2.
5386 Similarly for x86 NeXT configurations.
5387 * configure: Rebuilt.
5389 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
5391 * configure.in: Don't assume srcdir is .../gcc
5392 * configure: Rebuilt.
5394 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
5396 * global.c: Update comments.
5397 (global_alloc): Assign allocation-numbers
5398 even for registers allocated by local_alloc in case
5399 they are later spilled and retry_global_alloc is called.
5400 (mark_reg_store, mark_reg_clobber,
5401 mark_reg_conflicts, mark_reg_death): Always record a
5402 conflict with a pseudo register even if it has been
5403 assigned to a hard register.
5404 (dump_conflicts): Don't list pseudo registers already assigned to
5405 a hard register as needing to be allocated, but do list their
5407 * local-alloc.c: Update comment.
5409 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
5411 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
5412 * configure: Rebuilt.
5414 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
5416 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
5418 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
5419 for all targets that set -msoft-float.
5421 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5423 * toplev.c (print_switch_values): Make static to match prototype.
5425 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
5427 * configure.in: If we are unable to find the "gnatbind" program,
5428 then do not configure the ada subdir.
5429 * configure: Rebuilt.
5431 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
5433 * version.c: Bump for snapshot.
5435 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
5437 * version.c: Bump for snapshot.
5439 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5441 * Makefile.in (toplev.o): Depend on $(EXPR_H).
5442 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
5444 * gansidecl.h: Define ATTRIBUTE_NORETURN.
5446 * genattrtab.c: Have insn-attrtab.c include toplev.h.
5448 * genextract.c: Have insn-extract.c include toplev.h.
5450 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
5452 * toplev.c: Include expr.h.
5453 (really_sorry, fancy_abort): Remove prototypes.
5454 (set_target_switch): Add argument in prototype.
5455 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
5456 (v_really_sorry): Likewise.
5457 (print_version, print_single_switch, print_switch_values): Make
5458 static and add prototype arguments.
5459 (decl_printable_name): Add prototype arguments.
5460 (lang_expand_expr_t): New typedef.
5461 (lang_expand_expr): Declare as a lang_expand_expr_t.
5462 (incomplete_decl_finalize_hook): Add prototype argument.
5463 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
5464 (botch): Likewise for variable `s'.
5465 (rest_of_type_compilation): Mark variables `type' and `toplev'
5466 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
5467 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
5468 (display_help): Make variable `i' an `unsigned long'.
5469 (main): Remove unused parameter `envp'.
5470 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
5471 Cast -1 when comparing it with a `size_t'.
5473 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
5474 prototype with ATTRIBUTE_NORETURN.
5475 (fatal_insn_not_found, fatal_insn, really_sorry,
5476 push_float_handler, pop_float_handler): Add prototypes.
5477 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
5478 (do_abort, botch): Add prototypes.
5480 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
5482 * final.c (final): If a label is reached only from a single jump,
5483 call NOTICE_UPDATE_CC on the jump and its predecessor before
5484 emitting the insn after the label.
5486 * i386.h: Add AMD K6 support.
5487 Change TARGET_* macros to use table lookup.
5488 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
5489 (ADJUST_COST): Change definition to call function in i386.c.
5490 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
5491 * i386.c: Add AMD K6 support.
5492 Add constants for feature tests used by TARGET_* macros.
5493 (split_di): If before reload, call gen_lowpart and gen_highpart.
5494 (x86_adjust_cost): New function.
5495 (put_jump_code): New function.
5496 (print_operand): New codes 'D' and 'd'.
5497 * i386.md: New insn types. New insn attribute "memory".
5498 Redefine scheduling parameters to use new types and add AMD K6
5499 support. Explicitly set type of most insns.
5500 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
5501 Pro and K6 prefer movl $1,reg to incl reg.
5502 (adddi3, subdi3): Set cc_status.
5503 (DImode shift patterns): Change label counters from HOST_WIDE_INT
5504 to int; x86 can't have more than 2^31 DImode shifts per file.
5505 (setcc): Combine all setcc patterns. Allow writing memory.
5506 Combine all jump patterns using match_operator.
5507 (*bzero): Name pattern. Emit mutliple stos instructions when that
5508 is faster than rep stos.
5509 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
5512 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
5514 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
5517 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
5519 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
5520 not whatever we're generating now.
5522 * alpha.c (set_frame_related_p, FRP): New.
5523 (alpha_expand_prologue): Mark frame related insns.
5524 (alpha_expand_epilogue): Likewise, but with a null FRP.
5525 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
5526 * alpha.md (exception_receiver): New.
5527 * alpha/crtbegin.asm (.eh_frame): New beginning.
5528 (__do_frame_setup, __do_frame_takedown): New.
5529 * alpha/crtend.asm (.eh_frame): New ending.
5530 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
5531 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
5532 (ASM_FILE_START): Don't emit .file for dwarf2.
5534 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
5535 * rtl.c (reg_note_name): Likewise.
5536 * rtl.texi (REG_NOTES): Likewise.
5537 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
5540 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
5542 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
5543 * i386.md (movsf, movdf, movxf): Validate memory address returned
5544 from force_const_mem. Kill useless REG_EQUAL setting code.
5546 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
5548 * m68k.md (zero_extendsidi2): Fix typo.
5550 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
5552 * configure.in: Removed references to the removed file
5553 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
5554 * arm*-*-netbsd* and ns32k-*-netbsd*.
5555 * config/i386/xm-netbsd.h: Removed unnecessary file.
5556 * config/m68k/xm-netbsd.h: Likewise.
5557 * config/sparc/xm-netbsd.h: Likewise.
5558 * config/mips/xm-netbsd.h: Likewise.
5560 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
5562 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
5563 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
5565 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
5566 for exact section attributions.
5568 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
5570 * i386/crtdll.h (CPP_PREDEFINES): Define.
5572 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
5574 * m68k.md (5200 movqi): Do not allow byte sized memory references
5576 * m68k.c (output_move_qimode): Do not use byte sized operations on
5579 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
5580 explicit rules for building. Similarly for alloca, vfprintf,
5581 choose-temp and mkstemp, getopt, getopt1, and obstack.
5582 (INCLUDES): Add $(srcdir)/../include.
5583 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
5584 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
5586 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
5588 * gcc.c (do_spec_1): [case 'o'] Account for
5589 lang_specific_extra_outfiles.
5590 (main): Correctly clear all slots in outfiles for
5591 lang_specific_extra_outfiles. Set input_file_number before
5592 calling lang_specific_pre_link.
5594 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
5596 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
5598 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5600 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
5602 (sparc_output_deferred_case_vectors): If no work to do, return.
5603 Fix thinko in Sept 1 change.
5605 1998-09-03 SL Baur <steve@altair.xemacs.org>
5607 * Makefile.in: add semicolon in BISON definition for portability.
5609 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
5611 * config/nextstep.c (handle_pragma): Correct name of third
5614 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
5616 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
5617 * config/m32r/m32r.h: Make register 17 be fixed.
5618 * config/m32r/m32r.c: Use SImode for cc operations.
5620 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
5622 * invoke.texi (Warning Options): Add -Wnon-template-friend
5625 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
5627 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
5629 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
5631 * rs6000.md (movsf): Disable explicit secondary-reload-like
5632 functionality if TARGET_POWERPC64.
5633 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
5636 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
5638 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
5639 and term.h from fixinc.wrap.
5641 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5643 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
5644 safe to include both string.h and strings.h together.
5645 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
5646 which headers to search for function declarations. Continue to
5647 prefer string.h over strings.h when both are not acceptable.
5649 * acconfig.h (STRING_WITH_STRINGS): Add stub.
5651 * configure.in: Call GCC_HEADER_STRING.
5653 * system.h: Test STRING_WITH_STRINGS when deciding which headers
5654 to include. Continue to prefer string.h over strings.h when both
5657 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5659 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
5660 not assume top 32-bits of symbolic addresses are zero if
5663 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
5665 * ginclude/va-alpha.h: Protect entire second portion of the
5666 file against double inclusion.
5668 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
5670 Added support for the Boehm's garbage collector.
5671 * configure.in: Handle --enable-objc-gc.
5672 * configure: Rebuilt.
5673 * Makefile.in (CHECK_TARGETS): Add check-objc.
5674 (check-objc): New rule.
5675 * objc/Make-lang.in: Build a different Objective-C library that
5676 runs with the Boehm's collector.
5677 * objc/encoding.c (objc_round_acc_size_for_types): New function.
5678 * objc/encoding.c: Correctly compute the size of compound types in
5679 the presence of bitfields. Skip the variable name of the type if
5680 any. Added support for long long.
5681 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
5682 (_F_GCINVISIBLE): New mask.
5683 * objc/gc.c: New file. Compute the type memory mask associated with
5684 a class based on the runtime information.
5685 * objc/misc.c: Added the hooks that use the Boehm's collector
5686 allocation functions.
5687 * objc/objc-act.c (build_class_template): Generate a new class
5688 member (gc_object_type) to hold the class' type memory mask.
5689 (build_shared_structure_initializer): Initialize the new member to
5691 (encode_complete_bitfield): New function. Generate the new
5693 (encode_field_decl): Generate the new encoding only for the GNU
5695 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
5697 (class_get_gc_object_type): New function to mark a pointer instance
5698 variable as a weak pointer.
5699 * objc/objc-features.texi: New file.
5700 * objc/objc.h (gc_object_type): New class member.
5701 * objc/objects.c (class_create_instance): Create a typed memory
5702 object when compiled with Boehm's collector support.
5703 * objc/sendmsg.c (__objc_init_install_dtable): Call
5704 __objc_send_initialize instead of setting the initialize flag.
5705 (__objc_send_initialize): Call __objc_generate_gc_type_description
5706 to generate the class type memory mask. Rewrite the code that
5707 sends the +initialize so that it is called only once (bug report
5708 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
5709 * testsuite/objc: New testsuite for Objective-C type encoding.
5710 * testsuite/lib/objc-torture.exp: New file.
5711 * testsuite/lib/objc.exp: New file.
5713 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
5715 * jump.c (jump_optimize): In if/then/else transformations, add
5716 another call to modified_between_p for the jump insn.
5718 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
5720 * fix-header.c (symlink): Treat like readlink.
5722 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5724 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
5727 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
5729 * config/nextstep.h: Update HANDLE_PRAGMA macro.
5730 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
5731 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
5733 * config/nextstep.c (handle_pragma): Take three arguments, as per
5734 the new HANDLE_PRAGMA macro specification.
5735 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
5736 per the new HANDLE_PRAGMA macro specification.
5737 * config/i960/i960.c (process_pragma): Take three arguments, as
5738 per the new HANDLE_PRAGMA macro specification.
5740 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
5742 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
5743 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
5744 if unknown pragmas are encountered.
5745 (handle_sysv_pragma): Interpret return code from
5746 handle_pragma_token (). Return success/failure indication rather
5747 than next unprocessed character.
5748 (pragma_getc): New function: retrieves characters from the
5749 input stream. Defined when HANDLE_PRAGMA is enabled.
5750 (pragma_ungetc): New function: replaces characters back into the
5751 input stream. Defined when HANDLE_PRAGMA is enabled.
5753 * c-pragma.c (handle_pragma_token): Return success/failure status
5756 * c-pragma.h: Change prototype of handle_pragma_token().
5758 * varasm.c: (handle_pragma_weak): Only create this function if
5759 HANDLE_PRAGMA_WEAK is defined.
5761 * c-common,c (decl_attributes): If defined call the expression
5762 contained within the INSERT_ATTRIBUTES macro before adding
5763 attributes to a decl.
5765 * tm.texi (HANDLE_PRAGMA): Document the new verion of
5766 HANDLE_PRAGMA, which takes three arguments.
5767 (INSERT_ATTRIBUTES): Document this new macro.
5769 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
5770 new INSERT_ATTRIBUTES macro.
5772 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5774 * config/sparc/sparc.md (movdf): Only generate special RTL for
5775 LABEL_REFs when PIC.
5776 (move_label_di): Remove
5777 (movdi_pic_label_ref, movdi_high_pic_label_ref,
5778 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
5779 references when PIC.
5780 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
5781 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
5782 output an .xword for all 64-bit cases.
5784 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5786 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
5787 alignment, use FUNCTION_BOUNDARY instead.
5788 (sparc_output_deferred_case_vectors): Likewise.
5790 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5792 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
5793 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
5795 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
5797 * alpha/va_list.h: New file.
5798 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
5800 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
5802 * NEWS: Add SCO Openserver and Unixware 7 notes.
5806 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
5808 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
5809 (record_constant_1): Handle RANGE_EXPR.
5811 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
5813 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
5814 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
5815 and NOTE_INSN_RANGE_END specially.
5816 (reemit_notes): Likewise.
5818 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5820 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
5821 (ultrasparc_sched_init): Remove unneeded &.
5823 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5825 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
5826 for m68020-60, to prevent the use of fintrz.
5828 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
5830 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
5832 * Makefile.in: Likewise.
5833 * configure: Regenerated.
5835 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
5837 * configure.in (gxx_include_dir): Changed to
5838 '${prefix}/include/g++'-${libstdcxx_interface}.
5839 * configure: Rebuilt.
5841 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
5843 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
5845 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
5846 *sequences* *below* which scalar moves will be used.
5848 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
5850 * collect2.c (mktemp): Delete unused declaration.
5852 * config/xm-netbsd.h: Remove unnecessary file.
5853 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
5854 file anymore, it is not needed.
5856 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
5858 * convert.c (convert_to_integer): Issue an error on conversions to
5861 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
5863 * Makefile.in: Add lang_tree_files and gencheck.h.
5864 * configure.in: Generate them.
5865 * gencheck.c: Include gencheck.h.
5867 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5869 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
5870 movdi_lo_sum_pic and movdi_high_pic and make visible.
5871 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
5872 emit these when Pmode is not SImode.
5873 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
5875 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
5877 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
5878 .linkonce directive after the first time.
5880 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
5882 * m68k.md (beq0_di): Generate correct (and more efficient) code when
5883 the clobbered operand overlaps with an input.
5884 (bne0_di): Similarly.
5886 * Makefile.in (INSTALL): Remove "--no-header" argument.
5888 * NEWS: Various updates.
5890 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5892 * config/sparc/sparc.c (arith_operand, const64_operand,
5893 const64_high_operand, arith_double_4096_operand): Mark mode as
5895 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
5897 (sparc_emit_set_const64): Remove unused variable i.
5898 (sparc_splitdi_legitimate): Likewise for addr_part.
5899 (ultra_code_from_mask): Likewise for mask.
5900 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
5901 reverse return values so it matches usage and comments.
5902 (ultra_flush_pipeline): Likewise.
5903 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
5904 this_type, and allow loads and stores of differing FP modes as
5905 they do not create a conflict.
5906 (ultra_find_type): Initialize fpmode to SFmode, fix
5907 parenthesization thinkos in large conditional.
5908 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
5909 Init free_slot_mask after ultra_cur_hist is reset, not before.
5910 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
5911 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
5912 use ultra_flush_pipeline instead, then re-init group pointer.
5913 Fix statement with no effect. If no progress made in, and no
5914 instructions scheduled at all, advance to new pipeline cycle else
5915 we get into an endless loop.
5916 (ultrasparc_adjust_cost): Remove previous arg.
5917 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
5919 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
5921 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
5922 code. Use reg_overlap_mentioned_p to detect when source and
5923 destination overlap.
5924 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
5926 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
5928 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
5929 COMPARISON_VAL, into invariant_p.
5931 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5933 * regmove.c (regclass_compatible_p): New function.
5934 (regmove_optimize): Use it.
5936 Use NREGS parameter insted of calling max_reg_num.
5938 (fixup_match_1): Don't use code = MINUS when later tieing with
5939 a hard register is likely.
5941 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5943 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
5944 COMPARISON_VAL was normalized.
5946 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
5948 * loop.c (check_dbra_loop): The loop ending comparison value
5949 must be an invariant or we can not reverse the loop.
5951 * loop.c (scan_loop): Count down from max_reg_num - 1 to
5952 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
5954 (load_mems_and_recount_loop_regs_set): Likewise.
5956 * i386.c (print_operand): Remove obsolete 'c' docs.
5958 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
5960 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
5961 * frame.c (init_object_mutex): New function.
5962 (init_object_mutex_once): Likewise.
5963 (find_fde): Call it.
5964 (__register_frame_info): Likewise.
5965 (__register_frame_info_table): Likewise.
5966 (__deregister_frame_info): Likewise.
5968 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
5970 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
5972 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5974 * loop.c (check_dbra_loop): Enable code for reversal
5975 of some loops without a known constant loop end.
5977 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
5979 * haifa-sched.c (last_clock_var): New.
5980 (schedule_block): Initialize it.
5981 (schedule_insn): Use it to fill insn modes with issue information.
5983 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
5984 Tag trapb and next insn with TImode.
5985 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
5986 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
5987 Invoke alphaev5_align_insns as appropriate.
5988 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
5989 (MD_SCHED_VARIABLE_ISSUE): New.
5990 * alpha.md (attr type): Add multi.
5991 (define_asm_attributes): New.
5992 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
5993 (arg_home): Likewise.
5994 (fnop, unop, realign): New.
5996 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
5998 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
5999 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6001 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6002 (rs6000-ibm-aix4.[12]*): Likewise.
6003 * configure: Regnerate.
6005 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6007 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6008 already contains the return address.
6010 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6012 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6013 word sized hunks when loading unaligned args into registers.
6015 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6016 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6018 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6020 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6022 * loop.c (check_dbra_loop): Add some code that would allow reversal
6023 of some loops without a known constant loop end if it were enabled.
6025 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6027 * mips.md (lshrsi3_internal2+2): Fix type-o.
6029 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6031 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6032 correctly with regards to stdio.h.
6034 * calls.c: Remove stdarg.h/varargs.h.
6037 * combine.c: Likewise.
6038 * cpperror.c: Likewise.
6039 * cpplib.c: Likewise.
6040 * cpplib.h: Likewise.
6041 * doprint.c: Likewise.
6042 * emit-rtl.c: Likewise.
6043 * final.c: Likewise.
6044 * fix-header.c: Likewise.
6046 * genattr.c: Likewise.
6047 * genattrtab.c: Likewise.
6048 * gencodes.c: Likewise.
6049 * genconfig.c: Likewise.
6050 * genemit.c: Likewise.
6051 * genextract.c: Likewise.
6052 * genflags.c: Likewise.
6053 * genopinit.c: Likewise.
6054 * genoutput.c: Likewise.
6055 * genpeep.c: Likewise.
6056 * genrecog.c: Likewise.
6057 * mips-tfile.c: Likewise.
6058 * prefix.c: Likewise.
6059 * protoize.c: Likewise.
6060 * regmove.c: Likewise.
6061 * toplev.c: Likewise.
6064 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6066 * config/sparc/sparc.c (sparc_override_options): If not
6067 TARGET_FPU, turn off TARGET_VIS.
6068 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6069 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6070 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6071 (movdi_insn_sp64): Add VIS fzero alternative.
6072 (clear_sf, clear_df): New VIS patterns.
6073 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6075 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6077 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6079 * loop.c (n_times_set, n_times_used, may_not_optimize,
6080 reg_single_usage): Convert to varrays. All uses changed.
6081 (insert_loop_mem): Return a value.
6082 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6083 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6086 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6089 * configure.in: Do not set thread_file to "irix" since no such
6092 * sparc.md (float abs/neg splits): Check reload_completed before
6093 calling alter_subreg.
6095 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6097 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6099 * config/sparc/sparc.h: Declare it.
6100 * config/sparc/sparc.md (float abs/neg splits): Use it.
6101 (all other splits): Handle SUBREGs properly where necessary.
6102 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6104 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6106 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6107 an insn on the unfilled_slots_list that has no delay slots.
6108 (fill_eager_delay_slots): Similarly.
6110 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6112 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6113 as an ordinary operand.
6115 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6117 * tree.c (valid_machine_attribute): Don't apply attributes to both
6120 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6122 * reload.c (operands_match_p): Handle rtvecs.
6124 * i386.c (legitimate_pic_address_disp_p): New.
6125 (legitimate_address_p): Use it.
6126 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6127 Handle constant pool symbols just like statics.
6128 (emit_pic_move): Use Pmode not SImode for clarity.
6129 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6130 [UNSPEC]: New, handling what we killed above.
6131 [PLUS]: Detect and abort on invalid symbol arithmetic.
6132 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6134 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6136 * alias.c: Include output.h.
6137 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6138 different if we're in a varargs function.
6139 * Makefile.in (alias.o): Depend on output.h
6141 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6143 * sh.h (GIV_SORT_CRITERION): Delete.
6145 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6147 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6148 * stupid.c (stupid_life_analysis): Ditto.
6149 * reload1.c (reload): Ditto.
6151 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6153 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6154 arith_double_4096_operand, arith_double_add_operand): New
6156 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6157 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6158 them to transform add/sub 4096 into add/sub -4096.
6160 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6162 * loop.c (scan_loop): Allocate some slop to handle pseudos
6163 generated by move_movables.
6164 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6167 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6169 * tree.def (DECL_RESULT): Correct documentation.
6171 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6173 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6174 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6175 conflicts will all RELOAD_FOR_OUTPUT reloads.
6177 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6178 loads the function result, substitute with a USE.
6180 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6182 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6183 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6184 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6185 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6186 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6187 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6189 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6190 'o' to 'm' for GPR variant constraints.
6192 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6194 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6196 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6198 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6199 when the source and destination overlap.
6201 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6202 clash with global type.
6204 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6206 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6208 * c-common.c (combine_strings): Also set TREE_READONLY.
6209 Change warn_write_strings to flag_const_strings.
6210 * c-decl.c, c-tree.h: Likewise.
6212 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6214 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6215 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6216 sequence, use SET/IOR instead so CSE can see it.
6217 * config/sparc/sparc.md (movhi_const64_special,
6218 movsi_const64_special): New patterns necessitated by that change.
6219 (movhi_high): Remove.
6220 (movhi_lo_sum): Change to match an IOR.
6221 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6222 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6223 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6224 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6225 registers are involved.
6226 (snesi_zero_extend split): Remove reload_completed test.
6227 (unnamed plus and minus zero_extend sidi splits): Add it.
6229 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6231 * extend.texi: Remove description of extension to explicit
6232 instantiation that is now endorsed by standard C++.
6234 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6236 * config/arc/arc.c (arc_initialize_pic): Remove.
6237 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6238 nothing on any platform and is invoked by no-one, it does not even
6239 appear in the documentation.
6240 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6241 * config/sparc/sparc.c (initialize_pic): Likewise.
6242 (find_addr_reg): Remove this as well, no longer referenced after
6245 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6247 * recog.c (validate_replace_rtx_group): New function.
6248 * recog.h (validate_replace_rtx_group): Declare it.
6249 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6250 the entire group of substitutions.
6252 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6254 * loop.c (load_mems): Fix initializers.
6256 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6258 * config/sparc/sparc.md (TFmode splits): Handle destination
6259 registers being referenced in the address correctly.
6261 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6262 TREE_UNSIGNED, when bitsize of type's mode is larger than
6263 HOST_BITS_PER_WIDE_INT.
6265 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6267 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6268 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6269 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6271 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6274 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6276 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6277 * h8300.h (TINY_DATA_NAME_P): Likewise.
6278 (STRIP_NAME_ENCODING): Handle '&'.
6280 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6281 register (it could be accessed via an outer SUBREG).
6282 (REG_OK_FOR_BASE_P): Likewwise.
6283 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6285 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6288 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6290 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6292 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6293 must be offsettable so the splits can be made.
6295 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6297 * config/i386/winnt.c: Include system.h, not stdio.h to get
6298 sys/param.h pulled in before rtl.h in case the system defines MIN
6301 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
6303 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
6305 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
6307 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
6309 * cpplib.c (cpp_define): Handle macros with parameters.
6311 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6313 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
6314 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
6315 and DImode 64-bit. Use llong for minimal-toc SFmode and
6316 SYMBOL_REF / LABEL_REF 64-bit.
6317 (output_function_profiler): Use llong for profiler label and ld to
6318 load 64-bit label address.
6320 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
6322 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
6325 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
6327 * version.c: Bump for snapshot.
6329 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
6331 * version.c: Bump for snapshot.
6333 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
6335 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
6337 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
6339 * tm.texi (Misc): Fix typo "teh".
6341 * tm.texi (PIC): Fix typo "PPIC".
6343 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
6344 effect when -O2 and higher.
6345 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
6347 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
6349 * regclass.c: Changed register set documentation to be consistent
6352 * final.c (final_start_function) Removed redundant test for
6355 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
6357 * rtl.h (rtx_function): New type.
6358 (for_each_rtx): New function.
6359 * rtlanal.c (for_each_rtx): Define it.
6361 * recog.c (change_t): New type.
6362 (change_objects, change_old_codes, change_locs, change_olds):
6364 (changes): New variable.
6365 (validate_change): Dynamically allocate room for more changes, if
6366 necessary. Uses changes array instead of change_objects, etc.
6367 (apply_change_group): Use changes array instead of
6368 change_objects, etc.
6370 * loop.c (loop_mem_info): New type.
6371 (loop_mems): New variable.
6372 (loop_mems_idx): Likewise.
6373 (looop_mems_allocated): Likewise.
6374 (scan_loop): Remove nregs parameter.
6375 (next_insn_in_loop): New function.
6376 (load_mems_and_recount_loop_regs_set): Likewise.
6377 (load_mems): Likewise.
6378 (insert_loop_mem): Likewise.
6379 (replace_loop_mem): Likewise.
6380 (replace_label): Likewise.
6381 (INSN_IN_RANGE_P): New macro.
6382 (loop_optimize): Don't pass max_reg_num() to scan_loop.
6383 (scan_loop): Remove nregs parameter, compute it after any new
6384 registers are created by load_mems. Use INSN_IN_RANGE_P and
6385 next_insn_in_loop rather than expanding them inline. Call
6386 load_mems to load memory into pseudos, if appropriate.
6387 (prescan_loop): Figure out whether or not there are jumps from the
6388 loop to targets other than the label immediately following the
6389 loop. Call insert_loop_mem to notice all the MEMs used in the
6390 loop, if it could be safe to pull MEMs into REGs for the duration
6392 (strength_reduce): Use next_insn_in_loop. Tweak comments.
6394 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
6396 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
6398 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6400 * config/sparc/sparc.c (finalize_pic): Check for the correct
6401 nonlocal_goto_receiver UNSPEC number.
6402 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
6403 making note of this dependency existing in sparc.c
6404 (negtf2_notv9 split): Give NEG SFmode.
6405 (negsf2): Fix insn output string.
6407 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
6409 * c-common.c (decl_attributes): Issue an error if the argument
6410 to alias is not a string.
6412 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
6414 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
6415 pending memory flush list.
6417 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
6419 (try_combine): Allow combining insns with REG_LIBCALL notes.
6421 * expr.c (emit_block_move): Do not call memcpy as a libcall
6422 instead build up a CALL_EXPR and call it like any other
6424 (clear_storage): Similarly for memset.
6426 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
6429 * Makefile.in (cplus-dem.o): Provide explicit rules for building
6432 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
6433 and REG_LIVE_LENGTH as successful substitutions are made.
6435 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6437 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
6438 statement after end of loop label.
6440 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6442 * config/sparc/sparc.c (ultra_types_avail): New variable.
6443 (ultra_build_types_avail): New function to record mask of insn
6444 types in ready list at this cycle.
6445 (ultrasparc_sched_reorder): Call it.
6446 (ultra_find_type): Use it to quicken the search. Also simplif
6447 dependency check, don't use rtx_equal_p because we know exactly
6448 what we are looking for.
6450 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
6452 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
6453 for architecture v4.
6455 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6457 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
6459 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
6460 movdf_const_intreg and helper splits): New patterns to move float
6461 constants into integer registers.
6462 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
6465 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
6468 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
6470 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
6472 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
6473 a BASE_REGS register is needed as an intermediate when copying
6474 a symbolic value into any register class other than BASE_REGS.
6476 * expr.c (move_by_pieces): No longer static. Remove prototype.
6477 * rtl.h (move_by_pieces): Add extern prototype.
6478 * mips.c (expand_block_move): Handle aligned straight line copy by
6479 calling move_by_pieces.
6481 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
6484 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
6486 * stmt.c (expand_end_loop): Tidy. Allow unconditional
6487 jumps out of the loop to be treated as part of the exit test.
6489 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6490 Jeff Law <law@cygnus.com>
6492 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
6493 * cplus-dem.c: Delete.
6495 * Makefile.in (fold-const.o): depend on $(RTL_H).
6497 * fold-const.c: Include rtl.h to get the prototype for
6498 `set_identifier_local_value'.
6500 * loop.c (express_from_1): Remove unused variable `tmp'.
6501 (combine_givs): cast the first argument of bzero to char *.
6503 * toplev.c (display_help): Remove unused variable `looking_for_start'.
6505 * c-decl.c (init_decl_processing): Remove unneeded &.
6507 * alpha.h (alpha_initialize_trampoline): Provide prototype.
6509 * except.c (set_exception_lang_code, set_exception_version_code):
6510 Change parameter from `short' to `int' to avoid using a gcc
6513 * except.h (set_exception_lang_code, set_exception_version_code):
6514 Likewise for prototypes.
6516 * flow.c (count_reg_references): Remove unused variables `regno'
6519 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
6521 * prefix.c (translate_name): Cast the result of `alloca'.
6523 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
6525 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6527 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
6529 (valid_dbcc_comparison_p): Mark mode argument as unused.
6530 (symbolic_operand): Likewise.
6531 (legitimize_pic_address): Likewise.
6532 (const_uint32_operand): Likewise.
6533 (const_sint32_operand): Likewise.
6534 * sched.c [!INSN_SCHEDULING]: Define only dummy function
6535 schedule_insns and comment out rest of file.
6537 * m68k.c (output_move_simode_const): Use subl to move a zero into an
6539 (output_move_[hq]imode): Likewise.
6541 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
6543 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
6544 * invoke.texi: Corresponding changes.
6546 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
6548 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
6550 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6552 * config/sparc/sparc.c (ultra_code_from_mask,
6553 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
6554 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
6555 ultrasparc_sched_init, ultrasparc_variable_issue,
6556 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
6557 functions to describe UltraSPARC pipeline exactly to Haifa.
6558 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
6559 as there is nothing the scheduler can do about it. Indicate that
6560 REG_DEP_OUTPUT's collide. Fixup formatting.
6561 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
6562 divide costs on Ultra for DImode.
6563 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
6565 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
6566 ieuN and add call_no_delay_slot to type list.
6567 (cti function unit): New unit for branches on UltraSPARC.
6568 (subx/addx insns): Set type to misc.
6569 (sidi zero/sign extension insns on arch64): Set type to shift.
6570 (sign_extendhidi2_insn): Set type to sload.
6572 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
6574 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
6575 (output_epilog): Use if != 0 for offset.
6576 (rs6000_fatal_bad_address): Prepare for Intl.
6577 * rs6000.h (rs6000_fatal_bad_address): Declare.
6578 * rs6000.md (movsfcc, movdfcc): Use else if.
6579 (elf_high): Use {liu|lis}.
6580 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
6581 (movsi): Use rs6000_fatal_bad_address.
6583 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
6585 * reload.c (find_equiv_reg): Reject equivalences separated
6586 by a volatile instruction.
6588 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6590 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
6592 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
6594 * alpha.md (movsicc): Fix mode mismatch.
6596 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
6598 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
6600 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
6602 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6604 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
6605 write-only modifier from operand 1 constraint.
6607 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6609 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
6610 emitting a XOR of -1 at the end, emit a NOT instead for combine's
6612 (sparc_emit_set_const64): Likewise, also when computing trailing
6613 bits do not negate low_bits and make fast_int an int.
6615 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
6617 * loop.c (add_label_notes): Do not ignore references to labels
6618 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
6619 * gcse.c (add_label_notes): Similarly.
6621 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
6623 * m68k.md (adddi_dilshr32): One of the operands must be a register.
6624 (adddi_dishl32): Similarly.
6626 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
6628 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
6629 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
6630 * cse.c (cse_basic_block): Add parens to shut up warnings.
6632 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6634 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
6635 sparc_emit_set_const64_longway, const64_is_2insns,
6636 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
6637 in 64-bit constant formation.
6638 * config/sparc/sparc.md (snesi_zero_extend split): Generate
6639 rtl for addx not subx.
6640 (define_insn movdi_const64_special): Make available even when
6641 HOST_BITS_PER_WIDE_INT is not 64.
6642 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
6643 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
6644 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
6645 instances of operand 1 inside a QI subreg.
6646 (xordi3_sp64_dbl): Remove '%' constraint for op1.
6647 (one_cmpldi2_sp64): Fix output string.
6648 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
6650 (unnamed arch64 ashift DI): Truncate shift count if greater than
6653 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6655 * expr.c (store_expr): Don't optimize away load-store pair
6656 when either source or destination have a side effect.
6658 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
6660 * genrecog.c (add_to_sequence): Fatal error if the modes of the
6661 operands of SET are incompatible.
6663 * alpha.md: Fix max and min patterns so modes of SET operands match.
6665 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
6667 * configure.in: Avoid [[ by using test and changequote.
6668 * configure: Rebuild.
6670 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6672 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
6674 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
6675 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
6676 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
6677 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
6678 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
6679 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
6680 Fix mismatching modes in SET operands.
6681 (conditional move patterns): Fix formatting.
6682 (unnamed subx arch64 pattern): Remove duplicate insn.
6684 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6686 * config/sparc/sparc.c (const64_operand, const64_high_operand):
6687 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
6688 (input_operand): Fixup test for what we accept for constant
6690 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
6692 (safe_constDI): Remove.
6693 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
6694 gen_safe_XOR64): New functions.
6695 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
6696 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
6698 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
6699 available when HOST_BITS_PER_WIDE_INT is not 64.
6700 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
6701 move before movdi_insn_sp64 pattern.
6702 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
6703 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
6704 symbolic_operand as predicate for second operand.
6705 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
6706 expander): Give set VOIDmode.
6708 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
6710 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
6712 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
6714 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
6716 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
6718 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
6720 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
6722 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
6724 * install.texi: Various SCO OpenServer tweaks.
6726 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
6728 * reload1.c (eliminate_regs_in_insn): Handle another case when
6729 eliminating the frame pointer to the hard frame pointer. Add
6730 missing ep->to_rtx check to one existing case.
6732 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
6734 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
6736 * tree.h: De-conditionalize init_priority code.
6738 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
6739 * collect2.c (NM_FLAGS): Change from -p to -n.
6741 * configure.in: Turn on collect2 for mipstx39-elf.
6742 Handle use_collect2=no properly.
6744 * c-common.c: De-conditionalize init_priority code.
6745 * collect2.c (extract_init_priority, sort_ids): New fns.
6746 (main): Call sort_ids.
6747 Move sequence_number to file scope.
6749 * configure.in: Handle --enable-init-priority.
6750 * c-common.c (attrs): Add A_INIT_PRIORITY.
6751 (init_attributes, decl_attributes): Likewise.
6752 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
6753 * tree.c (get_file_function_name_long): Split out...
6754 (get_file_function_name): ...from here.
6756 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
6758 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
6761 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
6763 * toplev.c (display_help): Add braces to shut up warnings.
6764 * tree.c (simple_cst_equal): Likewise.
6766 * fold-const.c (non_lvalue): Don't deal with null pointer
6768 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
6770 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
6771 of any size to a pointer.
6773 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
6775 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
6777 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
6779 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
6780 which will be saved.
6781 * mn10300.md (prologue insn): Only save registers which need saving.
6782 (epilogue insn): Similarly.
6784 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
6787 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
6789 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
6790 VAR_DECL's in gp addressable sections.
6792 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
6794 * sparc.c: Change return <exp> to <exp>; return; in functions
6796 * sparc.md: Add empty semicolon statement after final label in
6799 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6801 * config/sparc/sparc.md (define_insn addx_extend): Rename to
6802 addx_extend_sp64, only allow when TARGET_ARCH64.
6803 (define_insn addx_extend_sp32 and split): Version that works when
6805 (define_insn subx_extend): Likewise.
6806 (define_split adddi3 and subdi3 with zero extension): Fixup and
6807 correct bugs when not TARGET_ARCH64.
6809 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
6811 * except.c (set_exception_lang_code, set_exception_version_code):
6812 Use prototype-style definition if __STDC__, to match declaration
6815 * genemit.c: Change FAIL and DONE macros not to use loops.
6817 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
6819 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
6820 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
6822 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
6824 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
6826 * README.g77: Update from Craig.
6828 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6830 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
6832 (safe_constDI sparc_emit_set_const64_quick1,
6833 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
6834 analyze_64bit_constant, const64_is_2insns,
6835 create_simple_focus_bits): Fix some bugs when compiled on real
6837 (function_arg_record_value_3, function_arg_record_value_2,
6838 function_arg_record_value): Add fully prototyped forward decls.
6839 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
6840 to cmpsi_insn and use on both 64 and 32 bit targets.
6841 (define_insn cmpsi_insn_sp64): Remove.
6842 (define_expand zero_extendsidi2): Allow for 32-bit target too.
6843 (define_insn zero_extendsidi2_insn): Rename to
6844 zero_extendsidi2_insn_sp64.
6845 (define_insn zero_extendsidi2_insn_sp32): New pattern and
6846 assosciated forced split for it.
6848 * config/sparc/sparc.c (const64_operand, const64_high_operand):
6850 * config/sparc/sparc.h: Declare them.
6851 (PREDICATE_CODES): Add them.
6852 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
6853 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
6855 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
6857 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
6858 in v9 case as the latter makes the Solaris assembler crash.
6860 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6862 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
6863 for TFmode when !v9. We require offsettable memory addresses.
6864 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
6865 DFmode register number conversions.
6866 * config/sparc/sparc.md (define_split DFmode moves): If register
6867 is a SUBREG do alter_subreg on it before using.
6868 (define_expand movtf): Fixup comment about alignment on v9.
6869 (define_split TFmode moves): Don't use gen_{high,low}part, create
6870 explicit SUBREGs instead.
6872 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
6874 * Makefile.in (mbchar.o): Depend on mbchar.c.
6876 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6877 Richard Henderson <rth@cygnus.com>
6879 Rewrite Sparc backend for better code generation and
6880 improved sparc64 support.
6881 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
6883 * config/sparc/sysv4.h: Likewise.
6884 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
6885 move_operand, v8plus_regcmp_op, emit_move_sequence,
6886 singlemove_string, doublemove_string, mem_aligned_8,
6887 output_move_double, output_move_quad, output_fp_move_double,
6888 move_quad_direction, output_fp_move_quad, output_scc_insn):
6890 (small_int_or_double): New predicate.
6891 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
6892 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
6893 old pic_{sethi,lo_sum}_si patterns.
6894 (mem_min_alignment): New generic function to replace
6895 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
6896 available and can test for arbitrary alignments. All callers
6898 (save_regs, restore_regs, build_big_number,
6899 output_function_prologue, output_cbranch, output_return,
6900 sparc_flat_save_restore, sparc_flat_output_function_prologue,
6901 sparc_flat_output_function_epilogue): Prettify
6903 (output_function_epilogue): Likewise and add code to output
6904 deferred case vectors.
6905 (output_v9branch): Likewise, add new arg INSN and use it to tack
6906 on branch prediction settings. All callers changed.
6907 (print_operand): Likewise and output %l44 for LO_SUMs when
6909 (sparc_splitdi_legitimate): New function to make sure DImode
6910 splits can be run properly when !arch64.
6911 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
6912 Reformat example code in comments.
6913 (set_extends): Remove UNSPEC/v8plus_clear_high case.
6914 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
6915 of deferred case vectors we need to output.
6916 (sparc_defer_case_vector): Record a case vector.
6917 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
6918 sparc_output_deferred_case_vectors): New functions to output them.
6919 (sparc_emit_set_const32): New function to form 32-bit constants in
6920 registers when that requires more than one instruction.
6921 (safe_constDI, sparc_emit_set_const64_quick1,
6922 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
6923 analyze_64bit_constant, const64_is_2insns,
6924 create_simple_focus_bits, sparc_emit_set_const64): New functions
6925 which do the same for 64-bit constants when arch64.
6926 (sparc_emit_set_symbolic_const64): New function to emit address
6927 loading for all code models on v9.
6928 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
6929 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
6930 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
6931 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
6932 inaccuracies in comments, add symbolic and text_segment operands
6933 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
6934 GENERAL_REGS in these cases as a temp REG is needed to load these
6935 addresses into a register properly.
6936 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
6938 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
6939 quads are guarenteed to have 16-byte alignment.
6940 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
6941 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
6942 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
6943 deferred case vector implementation.
6944 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
6945 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
6946 Generate "internal label - label" instead of "label - 1b".
6947 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
6948 (PREDICATE_CODES): Remove sparc_operand, move_operand,
6949 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
6951 (doublemove_string, output_block_move, output_fp_move_double,
6952 output_fp_move_quad, output_move_double, output_move_quad,
6953 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
6954 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
6955 (sparc_emit_set_const32, sparc_emit_set_const64,
6956 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
6957 mem_min_alignment, small_int_or_double): Add externs.
6958 * config/sparc/sparc.md: Document the many uses of UNSPEC and
6959 UNSPEC_VOLATILE in this backend.
6960 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
6961 unary to types which execute in it.
6962 (define_function_unit ieu_shift): Rename to ieu0.
6963 (define_function_unit ieu1): New, executes compare, call, and
6964 uncond_branch type insns.
6965 (define_function_units for type fdivs, fdivd, fsqrt): These
6966 execute in the fpu multiply unit not the adder on UltraSparc.
6967 (define_expand cmpdi): Disallow TARGET_V8PLUS.
6968 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
6969 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
6970 allows the arith_double_operand predicate and rHI constraint when
6972 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
6973 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
6974 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
6975 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
6976 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
6977 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
6978 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
6979 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
6980 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
6981 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
6982 sign_extendqihi2_insn, sign_extendqisi2_insn,
6983 sign_extendqidi2_insn, sign_extendhidi2_insn,
6984 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
6985 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
6986 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
6987 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
6988 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
6989 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
6990 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
6991 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
6992 smulsi3_highpart_v8plus, unnamed subreg mult,
6993 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
6994 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
6995 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
6996 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
6997 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
6998 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
6999 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7000 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7001 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7002 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7003 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7004 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7005 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7006 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7007 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7008 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7009 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7010 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7011 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7012 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7013 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7014 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7015 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7016 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7017 call_address_untyped_struct_value_sp32,
7018 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7019 call_value_symbolic_sp32, call_value_address_sp64,
7020 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7021 flush_register_windows, goto_handler_and_restore,
7022 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7023 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7024 return_addsi, return_di, return_adddi, return_sf, all call+jump
7025 peepholes, trap, unnamed trap insns): Prettify output strings.
7026 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7027 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7028 Likewise and force + implement splits for integer cases.
7029 (define_insn return_sf_no_fpu): Likewise and allow to match when
7030 no-fpu because of our subreg SFmode splits.
7031 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7032 zero_extendqidi2_insn, zero_extendhidi2_insn,
7033 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7034 input_operand for second operand.
7035 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7036 reg_or_0_operand for operand 2 so new splits can use it.
7037 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7038 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7040 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7041 CONST_DOUBLEs for operand 2.
7042 (define_insn move_label_di): Likewise and label distance
7043 optimization because it no longer works with new deferred case
7044 vector scheme. To be revisited.
7045 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7046 and allow reg_or_0_operand and J constraint for second operand.
7047 (define_insn jump): Set branch predict taken on V9.
7048 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7049 new deferred case vector scheme.
7050 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7051 (define_insn negdi2_sp32): Force + implement splits.
7052 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7053 one_cmplsi2_not_liveg0 respectively, and create expander of original
7054 names which emit special rtl for TARGET_LIVE_G0.
7055 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7056 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7057 gen_compare_reg, FAIL instead.
7058 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7059 values when trying to reverse condition codes, if they FAIL then
7061 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7062 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7063 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7064 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7065 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7066 set output string to # to indicate they are mandatory splits.
7067 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7068 pic_sethi_di, move_pic_label_si): Remove.
7069 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7070 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7072 (define_expand movsi_pic_label_ref, define_insn
7073 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7074 expander and insns to handle PIC label references and deferred
7076 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7078 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7079 Rewrite to not use emit_move_sequence, make use of new constant
7080 formation code, and new splits for all multi-insn cases.
7081 (define_insn movqi_insn): Remove sethi case, it can never happen.
7082 Use reg_or_zero_operand instead of const0_rtx explicit test,
7083 use input_operand instead of move_operand for source, and use
7084 general_operand now for dest.
7085 (define_insn movhi_insn): Similar but leave sethi case.
7086 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7087 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7088 movhi_lo_sum respectively, prettify output string.
7089 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7090 register when needed on TARGET_LIVE_G0.
7091 (define_insn movsi_insn): Use general_operand and input_operand
7092 for dest and src respectively. Simplify applicability test.
7093 Prettify output strings, and add clr alternative for J
7095 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7096 deprecated std and reg-reg DI moves): Remove and...
7097 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7098 implementation which uses forced splits for all non-single insn
7100 (define_split DI move cases on !arch64): New splits to handle all
7101 situations of 64-bit double register DImode on 32bit, and
7102 unaligned registers and memory addresses for all subtargets.
7103 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7105 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7106 input_operand for dest and src respectively, prettify output
7108 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7109 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7111 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7112 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7113 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7114 movtf_no_e_insn_sp64) Replace with new
7115 implementation which uses forced splits for all non-single insn
7117 (define_split DF move cases): New splits in similar vein to DI
7119 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7120 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7121 movdi_sp64_insn): Remove old v9 code model and constant loading
7123 (define_insn pic_lo_sum_di, pic_sethi_di,
7124 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7125 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7126 embmedany_sethi, embmedany_losum, embmedany_brsum,
7127 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7128 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7129 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7130 scheme, using unspecs, secondary reloads, and one to one sparc
7131 insn to rtl insn mapping for better scheduling and code gen.
7132 (define_expand reload_indi, reload_outdi): Reload helpers for
7133 MEDANY and EMBMEDANY symbol address loading cases which require a
7135 (define_expand movsicc): Remove v8plus_regcmp cases.
7136 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7137 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7138 cmp_diqi_trunc_set): New patterns used by some of the new scc
7140 (define_insn xordi3_sp64_dbl): New pattern used for constant
7141 formation when crossing from 32-bit targets.
7142 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7144 (define_insn addx, subx): Make visible and prettify.
7145 (define_insn adddi3_insn_sp32): Likewise and force split.
7146 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7147 64bit scc split usage.
7148 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7149 zero_extend, subdi3): Force and implement splits.
7151 * final.c (final_scan_insn): Don't output labels if target
7152 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7155 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7156 don't forget to walk inside SEQUENCESs too as these are what the
7157 delay slot scheduler will create.
7159 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7161 * alpha.md (extxl+1,+2): New patterns to work around
7164 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7166 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7167 caused bad assembly code to be generated.
7169 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7171 * netbsd.h: Fix typo.
7173 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7175 * config.sub: Fix typo.
7177 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7179 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7181 (Running Protoize): Typo: Change "ther" into "other".
7183 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7185 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7186 * m68k/netbsd.h: Likewise.
7187 * ns32k/netbsd.h: Likewise.
7188 * sparc/netbsd.h: Likewise.
7190 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7192 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7193 * ginclude/va-clipper.h (va_list): Likewise.
7195 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7197 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7198 load/store multiple instructions unless user overrides.
7200 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7202 * ns32k/netbsd.h: Fix typo.
7204 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7206 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7207 labels with .debugsym if no parallel insns.
7209 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7211 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7212 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7214 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7216 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7217 (AR_FOR_TARGET): Define.
7219 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7221 * dyn-string.h: New file.
7222 * dyn-string.c: Likewise.
7223 * Makefile.in (OBJS): Add dyn-string.o.
7224 (dwarf2out.o): Add dyn-string.h dependency.
7225 (dyn-string.o): List dependencies.
7226 * dwarf2out.c: Include dyn-string.h.
7227 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7228 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7229 prototype. Use dyn_string_append rather than strcat, throughout.
7230 (addr_to_string): Use dyn_string_t.
7232 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7234 Function entry/exit profiling instrumentation:
7235 * expr.h (profile_function_entry_libfunc,
7236 profile_function_exit_libfunc): Declare new variables.
7237 * optabs.c: Define them here.
7238 (init_optabs): Initialize them.
7239 * tree.h (struct tree_decl): New flag
7240 no_instrument_function_entry_exit.
7241 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7242 * c-decl.c (duplicate_decls): Merge it.
7243 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7244 (init_attributes): Use it for "no_instrument_function".
7245 (decl_attributes): Handle it, for functions that have not yet been
7246 compiled. Set decl flag.
7247 * flags.h (flag_instrument_function_entry_exit): Declare new
7249 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7250 (f_options): New option "instrument-functions".
7251 * function.h (struct function): New field instrument_entry_exit.
7252 * function.c (current_function_instrument_entry_exit): New
7254 (push_function_context_to, pop_function_context_from): Save and
7256 (expand_function_start): Set current_ variable, maybe emit return
7257 label and entry profile call.
7258 (expand_function_end): Maybe emit exit profile call.
7260 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7262 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7263 NON_QI_REG_P, pretend the register is SImode.
7265 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7267 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7268 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7269 manufacturer id for ns32k.
7270 * configure: Regenerated.
7271 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7272 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7273 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7274 * config/m68k/netbsd.h: Same.
7275 * config/ns32k/netbsd.h: Same.
7276 * config/sparc/netbsd.h: Same.
7278 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7280 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7281 or UNROLL_COMPLETELY loop that starts with a jump to its
7284 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7286 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7287 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7288 (print_operand, case 'B'): Don't fall through.
7289 (print_operand, case 'S'): Correct mask begin/end computation.
7290 Use HOST_BITS_PER_WIDE_INT.
7291 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7292 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7293 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7294 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7296 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7298 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7299 constraint from second alternative.
7301 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7303 * configure.in: Fix --without/--disable cases for local-prefix,
7304 gxx-include-dir and checking.
7306 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7308 * configure.in (enable_haifa): Set by default for sparc64 too.
7311 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7313 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
7314 * i386/winnt.c (associated_type): New fn.
7315 (i386_pe_valid_type_attribute_p): New fn.
7316 (i386_pe_check_vtable_importexport): Remove.
7317 (i386_pe_dllexport_p): Use associated_type.
7318 (i386_pe_dllimport_p): Likewise.
7320 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
7321 * i386.c (i386_valid_type_attribute_p): Also accept
7322 attributes for METHOD_TYPEs.
7324 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
7326 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
7328 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
7330 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
7332 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
7333 them from generating a new base name for each occurence of
7336 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
7338 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
7340 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
7344 * cplus-dem.c (type_kind_t): New type.
7345 (demangle_template_value_parm): Add type_kind_t parameter. Rely
7346 on this paramter, rather than demangling the type again.
7347 (demangle_integral_value): Pass tk_integral.
7348 (demangle_template_: Pass the value returned from do_type.
7349 (do_type): Return a type_kind_t. Pass tk_integral to
7350 demangle_template_value_parm for array bounds.
7351 (demangle_fund_type): Likewise.
7353 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
7355 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
7358 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
7360 * pa.c (move_operand): Accept CONSTANT_P_RTX.
7362 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
7364 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
7366 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
7369 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
7371 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
7372 (DEBUGGER_ARG_OFFSET): Likewise.
7374 * mn10300.md (movsf): Remove last change. Not needed.
7376 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
7378 * c-lex.c (yylex): Fix boundary conditions in character literal and
7379 string literal loops.
7381 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
7383 * longlong.h (count_leading_zeros): Sparclite scan instruction was
7384 being invoked incorrectly.
7386 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
7387 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
7389 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
7390 * configure.in: Added i[34567]86-*-win32
7391 * config.sub: Ditto.
7392 * configure: Rebuilt.
7394 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
7396 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
7397 the frame pointer and compiling PIC code and reload has not completed.
7399 * i386.c (output_to_reg): Add code to emulate non-popping DImode
7402 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
7404 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
7406 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7408 * Makefile.in (install-info): Only try to update the info
7409 directory file if it exists in the first place.
7411 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
7413 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
7415 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
7417 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
7418 CONST_DOUBLE source.
7420 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
7422 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
7423 strings as the insertion of USER_LABEL_PREFIX.
7424 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
7426 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
7429 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
7431 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
7432 already defined type.
7434 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
7436 * expr.c (check_max_integer_computation_mode): Allow conversions
7437 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
7438 (expand_expr): Likewise.
7440 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7442 * expr.c (expand_expr): Expand RETURN_EXPR.
7444 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
7446 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
7448 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
7450 * dwarf2out.c (output_aranges): Call stripattributes
7451 for TEXT_SECTION references.
7452 (output_line_info): Likewise.
7454 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7456 * profile.c (branch_prob): Call allocate_reg_info after outputting
7457 profile rtl in instrument_arcs.
7459 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
7461 * fixinc.irix (math.h): Install wrapper instead of copying.
7463 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7465 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
7466 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
7467 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
7468 lang_flag_0. Added documentation in the flag table.
7470 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
7472 * cccp.c (do_include): Fix vax c style include handling.
7474 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
7476 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
7478 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
7480 * fold-const.c (non_lvalue): Don't deal with null pointer
7482 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7484 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
7486 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
7487 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
7488 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
7489 (u_short_cint_operand): Same.
7490 (reg_or_cint_operand): Same.
7491 (logical_operand): Same.
7492 (input_operand): Same.
7493 (reg_or_short_operand): Use u_short_cint_operand.
7495 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
7497 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
7498 but keep the insns and splits. Adjust so when the ultimate destination
7499 is memory, use cvtql.
7501 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
7503 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
7505 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
7507 * gcc.c (do_spec): Call "error" not "warning".
7509 * configure.in: Fix minor problems with gas feature detection code.
7510 * configure: Rebuilt.
7512 * gcc.c (do_spec): Issue a warning for '%[]' usage.
7515 * gcc.c: Delete %[spec] support.
7516 (do_spec_1, case '('): Likewise.
7517 (do_spec_1, case '['): Call error.
7519 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
7521 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
7522 (CPP_SUBTARGET_SPEC): Default to empty string.
7523 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
7524 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
7525 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
7526 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
7528 * alpha/linux.h (CPP_PREDEFINES): Tidy.
7529 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
7530 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
7531 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
7532 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
7533 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
7534 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
7535 * alpha/vxworks.h: Likewise.
7537 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
7539 * mips.md (reload_outsi): Added missing REGNO call.
7540 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
7542 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
7543 another match_operator and compare the codes.
7545 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
7547 * MIPS multiply pattern fixes:
7548 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7549 Add union classes for HI, LO, or HILO plus general registers.
7550 (GENERATE_MADD): Deleted.
7551 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
7552 Add TARGET_MAD to condition.
7553 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
7554 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
7555 "*d" for accumulator, to give preference to LO initially but not
7558 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
7560 * configure.in (enable_c_mbchar): New configure option.
7561 (extra_cpp_objs): Always available now.
7563 * cexp.y (mbchar.h): #include it.
7564 (yylex): Handle Multibyte characters in character literals.
7566 * cccp.c (mbchar.h): #include it.
7567 (main): Set character set based on LANG environment variable.
7568 (rescan): Handle multibyte characters in comments.
7569 (skip_if_group): See above.
7570 (validate_else): See above.
7571 (skip_to_end_of_comment): See above.
7572 (macarg1): See above.
7573 (discard_comments): See above.
7574 (rescan): Handle multibyte characters in string and character literals.
7575 (collect_expansion): See above.
7576 (skip_quoted_string): See above.
7577 (macroexpand): See above.
7578 (macarg1): See above.
7579 (discard_comments): See above.
7580 (change_newlines): See above.
7582 * c-lex.c (mbchar.h): #include it.
7583 (GET_ENVIRONMENT): New macro.
7584 (init_lex): Set character set based on LANG environment variable.
7585 (yylex): Handle multibyte characters in character literals.
7586 (yylex): Handle multibyte characters in string literals.
7588 * Makefile.in (mbchar.o): New target.
7589 (cccp$(exeext)): @extra_cpp_objs@ is always available.
7590 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
7592 * mbchar.[ch]: New files for multibyte character handling.
7594 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7596 * jump.c (jump_optimize): When simplifying noop moves and
7597 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
7598 the PUSHes to rewrite in second loop as we did in the first.
7600 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7602 * cplus-dem.c (demangle_nested_args): Make function definition
7603 static to match the prototype.
7605 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
7607 * alloca.c: Respect USE_C_ALLOCA.
7608 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
7609 * gengenrtl.c (xmalloc): Likewise.
7611 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
7613 * loop.h (struct induction): Add no_const_addval.
7614 * loop.c (the_movables, reg_address_cost): New variables.
7615 (init_loop): Init reg_address_cost.
7616 (loop_optimize): Call end_alias_analysis.
7617 (scan_loop): Init the_movables.
7618 (record_giv): Init induction->no_const_addval.
7619 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
7620 [REG]: Rearrange loop search test to catch more cases.
7621 (general_induction_var): Return success not benefit; take an extra
7622 argument for that. Change all callers.
7623 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
7624 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
7625 [default]: Search the_movables for additional combinations.
7626 (sge_plus_constant, sge_plus): New functions.
7627 (express_from_1): New function.
7628 (express_from): Always define. Rewrite using express_from_1.
7629 (combine_givs_p): Handle more cases. Ignore address cost.
7630 (cmp_combine_givs_stats): New function.
7631 (combine_givs_used_once, combine_givs_benefit_from): New functions.
7632 (combine_givs): Rewrite to do best-fit combination.
7634 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
7635 (fold): Do a complete (A*C)+(B*C) association check.
7637 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
7639 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
7641 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
7643 * mn10300.c (MODES_TIEABLE_P): Fix typo.
7645 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
7647 * tree.c (valid_machine_attribute): Only create a new type variant if
7648 there is a decl to use it.
7650 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
7652 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
7655 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
7657 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
7660 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
7662 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
7663 Simplify tests for clearing an address register.
7664 (expand_prologue): Corresponding changes.
7666 * mn10300.md (movXX patterns): Make sure the destination is an
7667 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
7668 (logical patterns): Split into expanders + patterns
7669 (zero and sign extension patterns): Similarly.
7670 (shift patterns): Similarly.
7672 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
7674 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
7675 for the sequence, recording base values.
7677 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
7679 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
7681 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
7683 * gcc.c: Remove ANSI-C ism from --help code.
7685 * toplev.c: Support --help with USE_CPPLIB.
7687 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
7689 * configure.in: Rework gas feature code to work with symlink based
7692 * extend.texi: Clarify some issues related to local variables
7693 assigned to explicit registers.
7695 * mn10300.md (mulsi): Turn into expander + pattern.
7697 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
7700 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
7702 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
7704 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
7706 * version.c: Bump again to distinguish mainline tree from the
7709 See ChangeLog.0 for earlier changes.
7712 add-log-time-format: current-time-string
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