1 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3 * i960.h (BOOL_TYPE_SIZE): Define.
5 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
8 from old valid_parallel_operands_4.
9 (valid_parallel_operands_4): Check that operands for 4 operand
10 parallel insns are valid, excluding load/store insns.
11 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
12 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
13 valid_parallel_load_store instead of valid_parallel_operands_4.
14 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
15 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
16 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
17 *notqi_movqi_clobber): Use valid_parallel_operands_4.
18 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
19 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
20 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
22 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24 * config/c4x/c4x.c (iteration_info): Delete extern.
26 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
28 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
30 * final.c (cleanup_subreg_operands): Delete some unused code.
32 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
33 (struct insn_alternative): New structure definition.
34 (recog_op_alt): Declare variable.
35 (preprocess_constraints): Declare function.
36 * recog.c (recog_op_alt): New variable.
37 (extract_insn): Verify number of alternatives is in range.
38 (preprocess_constraints): New function.
39 * reg-stack.c: Include recog.h.
40 (constrain_asm_operands): Delete.
41 (get_asm_operand_lengths): Delete.
42 (get_asm_operand_n_inputs): New function.
43 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
44 N_OUTPUTS args. All callers changed.
45 Compute number of inputs and outputs here by calling
46 get_asm_operand_n_inputs.
47 Instead of constrain_asm_operands, call extract_insn,
48 constrain_operands and preprocess_constaints. Use information
49 computed by these functions throughout.
50 (record_reg_life): Delete code that is unused due to changes in
52 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
53 N_INPUTS and N_OUTPUTS args. All callers changed.
54 Similar changes as in record_asm_reg_life.
55 (subst_stack_regs): Move n_operands declaration into the if statement
57 Delete code that is unused due to changes in subst_asm_stack_regs.
58 * stmt.c (expand_asm_operands): Verify number of alternatives is in
60 * Makefile.in (reg-stack.o): Depend on recog.h.
62 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
64 * except.c (set_exception_version_code): Argument is an "int".
66 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
68 * configure.in (mipsel-*-linux*): New target.
69 * mips/linux.h: New file, based on other Linux targets.
71 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
73 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
74 runs in the context of the deleter, not the deletee, so we must
75 use taskVarGet to find the correct memory to free.
76 (__gthread_key_create): Initialize the task
77 variable subsystem so that the task variable is still active when
78 the delete hook is run.
80 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
82 * pdp11.h: Use optimize_size for space optimizations.
86 * pdp11.h (TARGET_40_PLUS): Fix typo.
88 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
90 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
93 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
95 * alias.c (addr_side_effect_eval): New function.
96 (memrefs_conflict_p): Use it.
97 * rtl.h (addr_side_effect_eval): Prototype it.
99 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
101 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
103 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
105 * reload.c (find_reloads): When force const to memory, put result
106 in substed_operand not *recog_operand_loc.
108 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
110 * c-lex.c: Fix indentation from last patch.
111 Remove trailing whitespace.
114 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
116 * flow.c (delete_block): Call set_last_insn after we have reset
117 NEXT_INSN (kept_tail).
119 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
121 * mips.md (trap_if): Use "$0" for the value zero.
123 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
124 Stephen L Moshier <moshier@world.std.com>
125 Richard Henderson <rth@cygnus.com>
127 * c-common.c (declare_function_name): Declare predefinied variable
130 * c-decl.c (flag_isoc9x): Set to 1 by default.
131 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
132 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
134 * c-parse.in: Allow constructors in ISO C 9x.
135 Rewrite designator list handling.
136 Allow [*] parameters.
137 Don't warn about comma at end of enum definition for ISO C 9x.
139 * cccp.c (c9x): New variable.
140 (rest_extension): New variable.
141 (print_help): Document new -std= option.
142 (main): Recognize -std= option. Set c9x appropriately.
143 (create_definition): Recognize ISO C 9x vararg macros.
145 * gcc.c (default_compilers): Adjust specs for -std options.
146 (option_map): Add --std.
147 (display_help): Document -std.
149 * toplev.c (documented_lang_options): Add -std and remove
152 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
153 or REAL_VALUE_HTOF based on base of the constants.
154 * fold-const.c (real_hex_to_f): New function. Replacement function
155 for hex FP conversion if REAL_ARITHMETIC is not defined.
156 * real.c (asctoeg): Add handling of hex FP constants.
157 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
160 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
162 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
163 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
164 expansion. Use hi/lo as destination register.
166 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
167 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
168 Avoid as macro expansion. Use hi/lo as destination register.
170 * mips.h (MASK_CHECK_RANGE_DIV): New.
171 (MASK_NO_CHECK_ZERO_DIV): New.
172 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
173 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
174 return address for leaf functions out of r31 to support
175 builtin_return_address.
177 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
179 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
180 NEXT_INSN(x) to check insn x.
182 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
184 * flow.c (delete_block): Call set_last_insn if we end up deleting the
185 last insn in the rtl chain.
187 * reload1.c (reload): Do not set reload_completed or split insns
189 * toplev.c (rest_of_compilation): Set reload_completed after
190 reload returns. Split insns after reload_cse has run.
192 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
194 * final.c (final_scan_insn): Abort if block_depth falls below 0.
196 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
198 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
200 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
202 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
203 use of user-label_prefix.
205 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
207 * reload1.c (emit_reload_insns): Clear spill_reg_store
208 when doing a new non-inherited reload from the same pseudo.
210 * local-alloc.c (function_invariant_p): New function.
211 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
212 to decide if an equivalence should be recorded.
213 * reload1.c (num_eliminable_invariants): New static variable.
214 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
215 to decide if an equivalence should be recorded.
217 (calculate_needs_all_insns): Skip insns that only set an equivalence.
218 Take num_eliminable_invariants into account when deciding
219 if register elimination should be done.
220 (reload_as_needed): Take num_eliminable_invariants into account
221 when deciding if register elimination should be done.
222 (eliminate_regs): Handle non-constant reg_equiv_constant.
223 * rtl.h (function_invariant_p): Declare.
225 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
227 * version.c: Bump for snapshot.
229 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
231 * version.c: Bump for snapshot.
233 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
235 * except.c (add_new_handler): Complain about additional handlers
236 after one that catches everything.
238 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
240 * configure.in (alpha*-*-netbsd): Fix typo.
241 * configure: Rebuilt.
243 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
245 * system.h: Include libiberty.h.
247 * c-aux-info.c: Remove prototypes for concat/concat3. Change
248 function `concat' from fixed parameters to variable parameters,
249 as is done in libiberty. All callers of concat/concat3
250 changed to use the new `concat' with variable args.
252 * cccp.c: Remove things made redundant by libiberty.h and/or
253 conform to libiberty standards.
255 * collect2.c: Likewise.
256 * config/1750a/1750a.h: Likewise.
257 * cppalloc.c: Likewise.
258 * cppexp.c: Likewise.
259 * cppfiles.c: Likewise.
260 * cpphash.c: Likewise.
261 * cpplib.c: Likewise.
262 * dyn-string.c: Likewise.
263 * fix-header.c: Likewise.
266 * genattr.c: Likewise.
267 * genattrtab.c: Likewise.
268 * gencheck.c: Likewise.
269 * gencodes.c: Likewise.
270 * genconfig.c: Likewise.
271 * genemit.c: Likewise.
272 * genextract.c: Likewise.
273 * genflags.c: Likewise.
274 * gengenrtl.c: Likewise.
275 * genopinit.c: Likewise.
276 * genoutput.c: Likewise.
277 * genpeep.c: Likewise.
278 * genrecog.c: Likewise.
279 * getpwd.c: Likewise.
280 * halfpic.c: Likewise.
282 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
283 in NEED_DECLARATION_* macros.
285 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
286 conform to libiberty standards.
287 (fatal): Fix const-ification of variable `format' in
288 !ANSI_PROTOTYPES case.
290 * prefix.c: Remove things made redundant by libiberty.h and/or
291 conform to libiberty standards.
293 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
294 conflicting with function `spaces' from libiberty.
296 * profile.c: Remove things made redundant by libiberty.h and/or
297 conform to libiberty standards.
298 * protoize.c: Likewise.
302 * toplev.c: Likewise.
303 * toplev.h: Likewise.
306 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
308 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
310 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
312 * README.C4X: Updated URLs.
313 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
314 (valid_parallel_operands_5): Remove unused variable.
316 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
318 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
320 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
322 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
323 which can be configured.
324 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
325 (Makefile): Pass actual LANGUAGES through the environment when
327 (cstamp-h): Likewise.
328 (config.status): Likewise.
330 * configure.in (enable_languages): Add new configuration parameter
331 "--enable-languages=lang1,lang2,...".
332 (${srcdir}/*/config-lang.in): Change handling to configure only
333 those directories, that the user might have enabled; default to
334 "all" existing languages.
335 * configure: Regenerate.
337 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
339 * rtlanal.c (regs_set_between_p): New function.
340 * rtl.h (regs_set_between_p): Prototype it.
341 * jump.c (jump_optimize): Use it instead of modified_between_p
344 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
345 Matthias Pfaller <leo@dachau.marco.de>
347 * invoke.texi (Option Summary, NS32K Options): add description
348 of NS32K specific options.
350 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
351 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
352 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
353 negdf2, absdf2): Use l instead of f since the double class and
354 float class are no longer the same.
355 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
356 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
357 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
358 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
360 (cmpsi, cmphi, cmpqi): use general_operand instead of
361 non_immediate_operand. Removes erroneous assumption that can't
363 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
364 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
366 (movstrsi, movstrsi1, movstrsi2): completely new block move
368 (...): Patterns to exploit multiply-add instructions.
369 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
370 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
371 patterns to exploit extended divide insns.
372 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
375 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
376 float return values as well as simple scalar floats.
377 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
378 support new flag to denote 32381 fpu.
379 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
380 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
382 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
383 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
384 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
385 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
386 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
387 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
388 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
389 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
390 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
391 fpu registers and special register classes for new 32381
392 instructions dotf and polyf.
393 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
395 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
396 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
398 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
399 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
400 (REGISTER_MOVE_COST): move code to register_move_cost function for
401 ease of coding and debugging.
402 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
403 LONG_FLOAT_REGO is likely spilled but not caught by default
405 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
406 instead of hard coded numbers in range check.
407 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
408 (...): Add prototypes for functions in ns32k.c but disable because
409 of problems when ns32k.h is included in machine independant files.
411 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
412 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
413 hard_regno_mode_ok, secondary_reload_class,
414 print_operand, print_operand_address): new register scheme to
415 include 32381 fpu registers and special register classes for new
416 32381 instructions dotf and polyf.
417 (gen_indexed_expr): Make static to keep namespace clean.
418 (check_reg): remove since never called.
419 (move_tail, expand_block_move): helper functions for "movstrsi"
421 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
422 Increase cost of moves which go via memory.
423 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
424 (CPP_PREDEFINES): nolonger predefine "unix".
426 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
427 Remove erroneous %$. print_operand() can work out from the rtx is
428 an immediate prefix is required.
430 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
431 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
432 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
434 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
437 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
438 Correct handling of pic operands.
439 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
440 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
441 -mrtd calling convention.
443 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
445 * gcc.c (option_map): Recognize --output-class-directory.
447 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
449 * loop.h (precondition_loop_p): Added new mode argument.
450 * unroll.c (precondition_loop_p): Likewise.
451 (approx_final_value): Function deleted and subsumed
452 into loop_iterations.
453 (loop_find_equiv_value): New function.
454 (loop_iterations): Use loop_find_equiv_value to find increments
455 too large to be immediate constants. Also use it to find terms
456 common to initial and final iteration values that can be removed.
458 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
460 * loop.h (struct loop_info): Define new structure.
461 (precondition_loop_p): Added prototype.
462 (unroll_loop): Added new argument loop_info to prototype.
463 (final_biv_value, final_giv_value): Added new argument n_iterations
465 * loop.c (strength_reduce): Declare new structure loop_iteration_info
466 and new pointer loop_info.
467 (loop_n_iterations): Replace global variable by element in
469 (check_final_value): New argument n_iterations.
470 (insert_bct): New argument loop_info.
471 (loop_unroll_factor): Replace global array by element in
473 (loop_optimize): Remove code to allocate and initialise
474 loop_unroll_factor_array.
475 * unroll.c (precondition_loop_p): No longer static since
476 used by branch on count optimization.
477 (precondition_loop_p, unroll_loop): New argument loop_info.
478 (final_biv_value, final_giv_value, find_splittable_regs): New
479 argument n_iterations.
480 (loop_iteration_var, loop_initial_value, loop_increment,
481 loop_final_value, loop_comparison_code, loop_unroll_factor):
482 Replaced global variables by loop_info structure.
483 (loop_unroll_factor): Replace global array by element in
486 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
488 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
491 * unroll.c (precondition_loop_p): Return loop_initial_value
492 for initial_value instead of loop_iteration_var.
494 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
496 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
497 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
498 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
499 to output the instruction sequences.
501 (rptb_top): Provide alternatives to use any register or memory
503 (rptb_end): Emit use of operands rather than assigning them
504 explicitly to the RS and RE registers.
506 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
508 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
509 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
510 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
511 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
512 c4x_merge_notes, c4x_parallel_process,
513 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
514 c4x_combine_parallel): Delete.
516 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
518 * config/c4x/c4x.c: (c4x_override_options): For compatibility
519 with old target options clear flag_branch_on_count_reg if
520 -mno-rptb specified and set flag_argument_alias is -mno-aliases
522 (c4x_output_cbranch): Handle a sequence of insns rather than a
524 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
525 has not been allocated as the loop counter.
526 (c4x_address_conflict): Do not allow two volatile memory references.
527 (valid_parallel_operands_4, valid_parallel_operands_5,
528 valid_parallel_operands_6): Reject pattern if the register destination
529 of the first set is used as part of an address in the second set.
531 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
533 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
534 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
535 is no longer enabled if PARALLEL_MPY_FLAG set.
536 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
537 (REG_CLASS_CONTENTS): Add braces around initializers.
538 (HAVE_MULTIPLE_PACK): Define.
539 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
540 REAL_VALUE_TO_DECIMAL.
541 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
542 REAL_VALUE_TO_DECIMAL.
543 (ar0_reg_operand): Add prototype.
544 (ar0_mem_operand): Likewise.
545 (ar1_reg_operand): Likewise.
546 (ar1_mem_operand): Likewise.
547 (ar2_reg_operand): Likewise.
548 (ar2_mem_operand): Likewise.
549 (ar3_reg_operand): Likewise.
550 (ar3_mem_operand): Likewise.
551 (ar4_reg_operand): Likewise.
552 (ar4_mem_operand): Likewise.
553 (ar5_reg_operand): Likewise.
554 (ar5_mem_operand): Likewise.
555 (ar6_reg_operand): Likewise.
556 (ar6_mem_operand): Likewise.
557 (ar7_reg_operand): Likewise.
558 (ar7_mem_operand): Likewise.
559 (ir0_reg_operand): Likewise.
560 (ir0_mem_operand): Likewise.
561 (ir1_reg_operand): Likewise.
562 (ir1_mem_operand): Likewise.
563 (group1_reg_operand): Likewise.
564 (group1_mem_operand): Likewise.
565 (ir1_reg_operand): Likewise.
566 (arx_reg_operand): Likewise.
567 (not_rc_reg): Likewise.
568 (not_modify_reg): Likewise.
569 (c4x_group1_reg_operand): Remove prototype.
570 (c4x_group1_mem_operand): Likewise.
571 (c4x_arx_reg_operand): Likewise.
573 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
575 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
576 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
578 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
580 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
583 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
585 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
586 unless FMOVD_WORKS is defined.
588 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
590 * regclass.c (init_reg_sets): Move code that calculates tables
591 dependent on reg_class_contents from here...
592 (init_reg_sets_1): To here.
594 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
596 * cpplib.h: Delete struct import_file. Add ihash element to
597 struct cpp_buffer. Delete dont_repeat_files and
598 import_hash_table elements from cpp_reader; change
599 all_include_files to a hash table. Delete all foobar_include
600 / last_foobar_include elements from struct cpp_options; put
601 back four such: quote_include, bracket_include,
602 system_include, after_include. Redo struct file_name_list
603 completely. Add new structure type include_hash. Add
604 prototypes for merge_include_chains and include_hash. Change
605 prototypes for finclude, find_include_file, and
606 append_include_chain to match changes below.
608 * cppfiles.c (simplify_pathname, include_hash,
609 remap_filename, merge_include_chains): New functions.
610 (add_import, lookup_import, open_include_file): Removed.
611 (INO_T_EQ): Define this (copied from cccp.c).
612 (hack_vms_include_specification): Remove all calls and #if 0
613 out the definition. It was being called incorrectly and at
614 the wrong times. Until a VMSie can look at this, it's better
615 to not pretend to support it.
616 (append_include_chain): Change calling convention; now takes
617 only one directory at a time, and sets up the data structure
619 (redundant_include_p): Rewritten - this is now used for all
620 include redundancy, whether by #ifndef, #import, or #pragma
621 once. Looks up things in the include hash table.
622 (file_cleanup): Decrement pfile->system_include_depth here if
624 (find_include_file): Calling convention changed; now passes
625 around a struct include_hash instead of 3 separate parameters.
626 Guts ripped out and replaced with new include_hash mechanism.
627 (finclude): Calling convention changed as for
628 find_include_file. Error exits pulled out-of-line. Reformat.
629 (safe_read): Return a long, not an int.
630 (deps_output): Don't recurse.
632 * cpplib.c (is_system_include): Deleted.
633 (path_include): Fix up call to append_include_chain.
634 (do_include): Fix up calls to find_include_file and finclude.
635 Clean up dependency output a bit. Shorten obnoxiously lengthy
636 #import warning message. Don't decrement
637 pfile->system_include_depth here.
638 (do_pragma): Understand the include_hash structure. Reformat.
639 (do_endif): Correct handling of control macros. Understand
641 (cpp_start_read): Fix up calls to finclude. Call
642 merge_include_chains.
643 (cpp_handle_option): Fix up calls to append_include_chain.
644 Understand the four partial include chains.
645 (cpp_finish): Add debugging code (#if 0-ed out) for the
647 (cpp_cleanup): Free the include_hash, not the import hash and
648 the all_include and dont_repeat lists which no longer exist.
650 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
652 * toplev.c (no_new_pseudos): Define.
653 (rest_of_compilation): Set no_new_pseudos as needed.
654 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
655 if no_new_pseudos is set.
656 * rtl.h (no_new_pseudos): Declare it.
657 * reload1.c (reload): Update comments.
658 * md.texi: Corresponding changes.
660 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
662 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
663 (choose_reload_regs): Rename it here as well. When computing it,
664 also merge in used hardregs.
666 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
668 * gcc.c: Split out Objective-C specs to...
669 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
672 * c-lex.c (init_parse): Always initialize the filename global.
673 * objc/objc-act.c (lang_init): Always call check_newline at
676 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
678 * reload1.c (reload): Remove unused variable.
679 (reload_reg_free_for_value_p): Add missing parameter definition.
681 * jump.c (jump_optimize): Remove unused variable.
683 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
685 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
687 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
689 * expr.c (move_by_pieces): Similarly.
690 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
691 * flow.c (find_auto_inc): Similarly.
692 (try_pre_increment): Similarly.
693 * loop.c (strength_reduce): Similarly.
694 * regclass.c (auto_inc_dec_reg_p): Similarly.
695 * regmove.c (try_auto_increment): Similarly.
696 (fixup_match_1): Similarly.
697 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
698 (HAVE_PRE_DECREMENT): Similarly.
699 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
700 * Corresponding changes to all target header files.
701 * tm.texi: Update docs for autoinc addressing modes.
703 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
705 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
706 * configure: Rebuild.
707 * config/elfos.h: New file.
708 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
709 config/m68k/t-m68kelf: New file.
711 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
713 * Makefile.in (HOST_AR): Define.
714 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
715 (libcpp.a): Use the host tools explicitly.
716 (STAGESTUFF): Add libcpp.a.
718 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
720 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
721 to source and destination registers.
723 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
725 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
726 The strategy we now use is to pre allocate the top_elt along
727 with the EH context so that each thread has its own top_elt.
728 This is necessary as the dynmanic cleanup chain is used on the
729 top element of the stack and each thread MUST have its own.
730 (eh_context_static): Likewise.
731 (new_eh_context): Likewise.
732 (__sjthrow): Likewise.
734 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
736 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
737 * i386.md (prologue_get_pc): Remove unused variable.
739 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
741 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
743 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
745 * Makefile.in (OBJS): Add graph.o
746 (graph.o): New dependency list.
747 * flags.h: Declare dump_for_graph and define graph_dump_types type.
748 * print-rtl.c (dump_for_graph): Define new variable.
749 (print_rtx): Rewrite to allow use in graph dumping functions.
750 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
751 finish_graph_dump_file.
752 Define graph_dump_format.
753 (compile_file): If graph dumping is enabled also clear these files.
754 Finish graph dump files.
755 (rest_of_compilation): Also dump graph information if enabled.
756 (main): Recognize -dv to enabled VCG based graph dumping.
757 * graph.c: New file. Graph dumping functions.
759 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
761 * configure.in: Look for <sys/stat.h>.
762 * system.h: Include it before substitute S_ISREG definitions.
764 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
766 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
767 * config/mips/iris6.h: Same.
768 * config/mips/mips.md: Same.
769 * config/mips/mips.c: Same; also add "-mabi=o64" option.
770 * config/mips/mips.h: Same; also define ABI_O64.
772 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
774 * configure.in: Use AC_PREREQ(2.12.1).
776 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
778 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
779 * cpplib.c, gcc.c: Likewise.
780 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
782 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
784 * local-alloc.c (local_alloc): Use malloc not alloca for
785 reg_qty, reg_offset, ref_next_in_qty.
787 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
789 * caller-save.c (insert_one_insn): Initialize the live_before and
790 live_after register sets.
794 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
795 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
796 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
797 (fp_reg_names, assembler_dialect): New variables.
798 (print_operand_address): Handle SUBREGs.
799 (print_operand): Added 'o' case.
800 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
801 Name of FP registers depends on mode.
802 (expand_block_move): Emit different code for SH4 hardware.
803 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
804 (from_compare): Likewise.
805 (add_constant): New argument last_value. Changed all callers.
806 (find_barrier): Don't try HImode load for FPUL_REG.
807 (machine_dependent_reorg): Likewise.
808 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
809 (gen_far_branch): Emit a barrier after the new jump.
810 (barrier_align): Don't trust instruction lengths before
812 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
813 Use auto-inc addressing for fp registers if doubles need to
814 be loaded in two steps.
815 Set sh_flag_remove_dead_before_cse.
816 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
817 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
818 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
819 Support for FIRST_XD_REG .. LAST_XD_REG.
820 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
821 (sh_expand_epilogue): Likewise.
822 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
823 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
824 (arith_reg_operand): FPUL_REG is OK for SH4.
825 (fp_arith_reg_operand, fp_extended_operand) New functions.
826 (tertiary_reload_operand, fpscr_operand): Likewise.
827 (commutative_float_operator, noncommutative_float_operator): Likewise.
828 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
829 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
830 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
831 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
832 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
833 (CONDITIONAL_REGISTER_USAGE): Likewise.
834 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
835 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
836 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
837 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
838 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
839 to -1 and sh_flag_remove_dead_before_cse to 1.
840 (ASSEMBLER_DIALECT): Define to assembler_dialect.
841 (assembler_dialect, fp_reg_names): Declare.
842 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
843 Hide names of registers that are not accessible.
844 (CACHE_LOG): Take TARGET_CACHE32 into account.
845 (LOOP_ALIGN): Take TARGET_HARWARD into account.
846 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
847 (FIRST_PSEUDO_REGISTER: Now 49.
848 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
849 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
850 (HARD_REGNO_MODE_OK): Update.
851 (enum reg_class): Add DF_REGS and FPSCR_REGS.
852 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
853 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
854 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
855 (NPARM_REGS): Eight floating point parameter registers on SH4.
856 (BASE_RETURN_VALUE_REG): SH4 also passes double values
857 in floating point registers.
858 (GET_SH_ARG_CLASS) Likewise.
859 Complex float types are also returned in float registers.
860 (BASE_ARG_REG): Complex float types are also passes in float registers.
861 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
862 (LIBCALL_VALUE): Remove trailing semicolon.
863 (ROUND_REG): Round when double precision value is passed in floating
865 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
867 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
868 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
869 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
870 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
871 (MODE_DISP_OK_8): Not for SH4 DFmode.
872 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
873 Allow indexed addressing for PSImode after reload.
874 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
875 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
876 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
877 (DOUBLE_TYPE_SIZE): 64 for SH4.
878 (RTX_COSTS): Add PLUS case.
879 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
880 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
881 MAC_REGS, PR_REGS, DF_REGS.
882 (REGISTER_NAMES): Use fp_reg_names.
883 (enum processor_type): Add PROCESSOR_SH4.
884 (sh_flag_remove_dead_before_cse): Declare.
885 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
886 (PREDICATE_CODES): Add binary_float_operator,
887 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
888 fpscr_operand, noncommutative_float_operator.
889 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
890 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
891 * sh.md (attribute cpu): Add value sh4.
892 (attrbutes fmovd, issues): Define.
893 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
894 (function units memory, int, mpy, fp): Make dependent on issue rate.
895 (function units issue, single_issue, load_si, load): Define.
896 (function units load_store, fdiv, gp_fpul): Define.
897 (attribute hit_stack): Provide proper default.
898 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
899 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
900 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
901 (mulsi3_call): Now uses match_operand for function address.
902 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
904 (push, pop, push_e, pop_e): Now define_expands.
905 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
906 (movsi_ie): Added y/i alternative.
907 (ic_invalidate_line_i, movdf_i4): New insns.
908 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
909 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
910 (movdf): Add special code for SH4.
911 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
912 (call_valuei, calli, call_value): Likewise.
913 (movsf): Emit no-op move.
914 (mov_nop, movsi_y): New insns.
915 (blt, sge): generalize to handle DFmode.
916 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
917 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
918 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
919 (fpu_switch0, fpu_switch1, movpsi): New expanders.
920 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
921 (toggle_sz): New insn.
922 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
923 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
924 (macsf3): Make use of fpscr visible. Disable for SH4.
925 (floatsisf2): Make use of fpscr visible.
926 (floatsisf2_i4): New insn.
927 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
928 (ieee_ccmpeqsf_t): Likewise.
929 (fix_truncsfsi2): Emit different code for SH4.
930 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
931 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
932 (negsf2, sqrtsf2, abssf2): Now expanders.
933 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
934 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
935 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
936 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
937 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
938 (fix_truncdfsi2_i4_2+1): New splitters.
939 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
940 (extendsfdf2, truncdfsf2): New expanders.
941 (truncdfsf2_i4): New insn.
942 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
943 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
944 * float-sh.h: When testing for __SH3E__, also test for
945 __SH4_SINGLE_ONLY__ .
946 * va-sh.h (__va_freg): Define to float.
947 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
948 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
949 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
950 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
952 (TARGET_SH4_P): Define.
955 * sh.md (movdf_k, movsf_i): Tweak the condition so that
956 init_expr_once is satisfied about the existence of load / store insns.
958 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
959 change m constraint in source operand to mr / mf .
961 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
963 * (__VA_REEF): Define.
964 (__va_arg_sh1): Use it.
966 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
968 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
970 * i386/dgux.c (struct option): Add new "description field".
971 * m88k/m88k.c (struct option): Likewise.
973 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
975 * version.c: Bump for snapshot.
977 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
979 * regmove.c (regmove_profitable_p): Use return value of find_matches
982 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
984 * version.c: Bump for snapshot.
986 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
988 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
989 without reload having been called earlier.
991 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
993 (v850_reorg): Similarly.
995 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
997 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
999 * loop.c (move_movables): Start of libcall might be new loop start.
1001 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1003 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1005 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1007 * function.c (nonlocal_goto_handler_slots): Renamed from
1008 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1009 (push_function_context_to): Adjust for this change.
1010 (pop_function_context_from): Likewise.
1011 (init_function_start): Likewise.
1012 (expand_function_end): Likewise.
1013 * function.h (struct function): Likewise.
1014 * calls.c (expand_call): Likewise.
1015 * explow.c (allocate_dynamic_stack_space): Likewise.
1016 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1017 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1019 (expand_goto): When doing a nonlocal goto, find corresponding handler
1020 slot for it. Don't put the label address in the static chain register.
1021 (expand_end_bindings): Break out nonlocal goto handling code into
1022 three new functions.
1023 (expand_nl_handler_label, expand_nl_goto_receiver,
1024 expand_nl_goto_receivers): New static functions, broken out of
1025 expand_end_bindings and adapted to create one handler per nonlocal
1027 * function.c (delete_handlers): Delete insn if it references any of
1028 the nonlocal goto handler slots.
1029 * i960.md (nonlocal_goto): Comment out code that modifies
1031 * sparc.md (nonlocal_goto): Likewise.
1032 (goto_handler_and_restore_v9): Comment out.
1033 (goto_handler_and_restore_v9_sp64): Comment out.
1035 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1037 * expr.c (STACK_BYTES): Delete unused macro.
1038 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1039 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1040 (expand_call): Likewise.
1041 (emit_library_call): Likewise.
1042 (emit_library_call_value): Likewise.
1043 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1044 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1045 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1046 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1047 (allocate_dynamic_stack_space): Likewise.
1048 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1049 (STACK_BOUNDARY): Update description to reflect the new situation.
1051 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1053 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1054 return with a filled delay slot is followed by a return with an
1055 unfilled delay slot, delete the first return and reemit the insn
1056 that was previously in its delay slot.
1058 * i860.c (single_insn_src_p): Add missing parens.
1059 * ginclude/math-3300.h: Likewise.
1061 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1063 * regclass.c (init_reg_sets_1): Add prototype.
1064 (init_reg_modes): Likewise.
1066 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1068 * c-common.c: Change warning messages to say `comparison is
1069 always true' or `comparison is always false' instead of the
1070 confusing `is always 0', `is always 1'.
1072 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1074 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1075 break instead of return (which loses closing '>').
1077 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1079 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1080 standard 387 constants.
1082 * i386.md (jump): Explicitly set "memory" attribute.
1083 (indirect_jump, prologue_set_stack_ptr): Likewise.
1084 (prologue_get_pc_and_set_got, pop): Likewise.
1085 (allocate_stack_worder, blockage, return_internal): Likewise.
1086 (return_pop_internal, nop): Likewise.
1087 (epilogue_set_stack_ptr, leave): Likewise.
1089 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1091 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1093 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1095 * reload1.c (reload_reg_free_for_value_p):
1096 Early auto_inc reloads don't conflict with outputs.
1098 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1100 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1101 Instead call AC_HEADER_SYS_WAIT.
1103 * collect2.c: Don't provide defaults for sys/wait.h macros.
1105 * protoize.c: Likewise. Also, don't include sys/wait.h.
1107 * system.h: Include sys/wait.h and provide macro defaults.
1109 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1111 * Makefile.in (mandir): Set to @mandir@.
1112 (man1dir): New variable to hold the former value of $(mandir).
1113 Replace all uses of $(mandir) by $(man1dir).
1115 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1117 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1118 a new one before passing it to force_const_mem.
1120 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1121 find_reloads_address call.
1123 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1125 * expr.c (store_expr): Don't generate load-store pair
1126 if TEMP is identical (according to ==) with TARGET.
1128 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1130 * reload1.c (reload_reg_free_for_value_p): When considered reload
1131 has an output, matching inputs are not sufficient to avoid conflict.
1133 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1135 * hash.h (hash_table_key): New type.
1136 (hash_entry): Change `string' field to generic `key'.
1137 (hash_table): Add `comp' and `hash' functions.
1138 (hash_table_init): Take them as input.
1139 (hash_table_init_n): Likewise.
1140 (hash_lookup): Modify for generic keys.
1141 (hash_newfunc): Likewise.
1142 (hash_traverse): Likewise.
1143 (string_hash): New function.
1144 (string_compare): Likewise.
1145 (string_copy): Likewise.
1146 * hash.c (hash_table_init_n): Modify for generic keys.
1147 (hash_table_init): Likewise.
1148 (hash_lookup): Likewise.
1149 (hash_newfunc): Likewise.
1150 (hash_traverse): Likewise.
1151 (string_hash): Split out from hash_lookup.
1152 (string_compare): New function.
1153 (string_copy): Split out from hash_lookup.
1154 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1156 (symbol_hash_lookup): Likewise.
1157 (file_hash_newfunc): Likewise.
1158 (file_hash_lookup): Likewise.
1159 (demangled_hash_newfunc): Likewise.
1160 (demangled_hash_lookup): Likewise.
1161 (tlink_int): Likewise.
1162 (read_repo_file): Likewise.
1163 (recompile_files): Likewise.
1164 (demangle_new_symbols): Likewise.
1165 (scan_linker_output): Likewise.
1167 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1169 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1171 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1173 * rs6000.c (output_mi_thunk): Improve test for local branch.
1175 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1177 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1179 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1181 * reload1.c (reload_reg_free_before_p): Delete.
1182 Changed all callers to use reload_reg_free_for_value_p instead.
1183 (reload_reg_free_for_value_p): Handle more reload types.
1184 A RELOAD_FOR_INPUT doesn't conflict with its
1185 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1186 Add special case for OUT == const0_rtx.
1187 Added ignore_address_reloads argument. Changed all callers.
1189 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1191 * toplev.c (compile_file): Don't pedwarn about undefined static
1192 functions just because we passed -Wunused.
1194 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1196 * function.c (purge_addressof_1): Unshare rtl created by
1199 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1201 * regmove.c (regmove_optimize): Don't do anything but
1202 optimize_reg_copy[123] when flag_regmove is not set.
1204 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1206 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1207 value in paradoxical SImode result, rather than truncating midpoint.
1209 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1211 * alpha.c (reg_not_elim_operand): New.
1212 * alpha.h (PREDICATE_CODES): Add it.
1213 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1214 for the multiplicand.
1216 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1218 * rs6000.md (movsf): Remove explicit secondary-reload-like
1219 functionality. Only truncate SFmode store if in FPR.
1220 (movsf splitters): Combine const_double splitters.
1221 (movsf_hardfloat): Add GPR support.
1223 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1225 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1226 deprecate -mlive-g0 and -mbroken-saverestore.
1227 * t-splet (MULTILIB_OPTIONS): Likewise.
1229 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1230 in a leaf function. Clarify total_size/extra_size relationship.
1232 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1234 * i386/cygwin32.asm: Delete.
1235 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1236 * i386/cygwin32.h: Delete.
1237 * i386/cygwin.h: New file, renamed from cygwin32.h.
1238 * i386/t-cygwin32: Delete.
1239 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1240 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1241 * i386/x-cygwin32: Delete.
1242 * i386/x-cygwin: New file, renamed from x-cygwin32.
1243 * i386/xm-cygwin32: Delete.
1244 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1245 renamed cygwin_ funcs for path translations.
1246 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1247 * i386/winnt.c: Remove "32" from comment about cygwin.
1248 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
1249 * rs6000/cygwin32.h: Delete.
1250 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
1251 -D__CYGWIN__ to CPP_PREDEFINES.
1252 * rs6000/x-cygwin32: Delete.
1253 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
1254 * rs6000/xm-cygwin32: Delete.
1255 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
1257 * configure.in: Check for cygwin* instead of cygwin32. Account
1258 for the rename of cygwin-related config files to lose the "32"s.
1259 * configure: Regenerate.
1261 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
1262 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
1264 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
1266 * Makefile.in (JAVAGC): New macro.
1267 * configure: Rebuilt.
1268 * configure.in: Recognize --enable-java-gc argument. Subst
1271 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1273 Handle equivalences that have been obscured by gcse:
1275 * reload1.c (reload): Handle equivalences set up in multiple places.
1276 * local-alloc.c (reg_equiv_init_insns): New variable.
1277 (no_equiv): New function.
1278 (update_equiv_regs): Handle equivalences set up in multiple places.
1279 Don't ignore an insn just because its destination is likely to be
1282 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
1284 * except.c (expand_eh_return): Readd force_operand call lost in
1287 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
1289 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
1291 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1293 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
1295 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1297 * regmove.c (regmove_optimize): Fix error in last change.
1299 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1301 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
1302 offset in the .mask pseudo to compensate for frame pointer adjustments.
1303 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
1304 word swap arguments moved to/from FP registers.
1305 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
1307 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
1309 * version.c: Bump for snapshot.
1311 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
1313 * version.c: Bump for snapshot.
1315 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
1317 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
1318 times, then it can not be completely replaced.
1320 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
1322 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
1324 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1326 * gansidecl.h: Prepend a "G" to the macro wrapping this file
1327 (to distinguish it from the macro wrapping ansidecl.h.)
1328 Include libiberty's ansidecl.h. Remove all redundant definitions.
1329 Define the PROTO() style macros in terms of the PARAMS() ones.
1332 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
1333 __STDC__, when deciding whether to use ANSI variable args.
1334 (emit_library_call_value): Likewise.
1336 * cccp.c (error): Likewise.
1337 (warning): Likewise.
1338 (error_with_line): Likewise.
1339 (warning_with_line): Likewise.
1340 (pedwarn): Likewise.
1341 (pedwarn_with_line): Likewise.
1342 (pedwarn_with_file_and_line): Likewise.
1345 * cexp.y (error): Likewise.
1346 (pedwarn): Likewise.
1347 (warning): Likewise.
1349 * collect2.c (fatal_perror): Likewise.
1353 * combine.c (gen_rtx_combine): Likewise.
1355 * cpperror.c (cpp_message): Likewise.
1356 (cpp_fatal): Likewise.
1358 * cpplib.c (cpp_error): Likewise.
1359 (cpp_warning): Likewise.
1360 (cpp_pedwarn): Likewise.
1361 (cpp_error_with_line): Likewise.
1362 (cpp_warning_with_line): Likewise.
1363 (cpp_pedwarn_with_line): Likewise.
1364 (cpp_pedwarn_with_file_and_line): Likewise.
1366 * cpplib.h: Don't define PARAMS() macro.
1368 * demangle.h: Likewise.
1370 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
1371 when deciding whether to use ANSI variable args.
1373 * emit-rtl.c (gen_rtx): Likewise.
1374 (gen_rtvec): Likewise.
1376 * final.c (asm_fprintf): Likewise.
1378 * fix-header.c (cpp_message): Likewise.
1380 (cpp_fatal): Likewise.
1382 * gcc.c (concat): Likewise.
1386 * genattr.c (fatal): Likewise.
1388 * genattrtab.c (attr_rtx): Likewise.
1389 (attr_printf): Likewise.
1392 * gencodes.c (fatal): Likewise.
1394 * genconfig.c (fatal): Likewise.
1396 * genemit.c (fatal): Likewise.
1398 * genextract.c (fatal): Likewise.
1400 * genflags.c (fatal): Likewise.
1402 * genopinit.c (fatal): Likewise.
1404 * genoutput.c (fatal): Likewise.
1407 * genpeep.c (fatal): Likewise.
1409 * genrecog.c (fatal): Likewise.
1411 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
1412 deciding whether to declare `tree_node' and `rtx_def'.
1414 * hash.h: Don't define stuff we get from gansidecl.h.
1416 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
1417 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1418 whether to use ANSI variable args.
1421 * prefix.c (concat): Likewise.
1425 * system.h: Likewise.
1427 * toplev.c (error_with_file_and_line): Likewise.
1428 (error_with_decl): Likewise.
1429 (error_for_asm): Likewise.
1432 (warning_with_file_and_line): Likewise.
1433 (warning_with_decl): Likewise.
1434 (warning_for_asm): Likewise.
1435 (warning): Likewise.
1436 (pedwarn): Likewise.
1437 (pedwarn_with_decl): Likewise.
1438 (pedwarn_with_file_and_line): Likewise.
1440 (really_sorry): Likewise.
1442 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1443 whether to declare `tree_node' and `rtx_def'.
1445 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
1446 deciding whether to use ANSI variable args.
1447 (build_nt): Likewise.
1448 (build_parse_node): Likewise.
1450 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
1452 * version.c: Bump for snapshot.
1454 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1456 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
1458 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1460 * collect2.c (main, case 'b'): Use else if.
1462 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1464 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
1465 Arrange to include gansidecl.h in {ht}config.h & tm.h just
1466 before the config/ directory headers.
1467 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
1468 gansidecl.h in the list of dependencies.
1470 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
1471 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
1472 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
1473 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
1474 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
1475 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
1478 * cccp.c: Don't include gansidecl.h.
1480 * collect2.c: Likewise.
1481 * config/c4x/c4x.c: Likewise.
1482 * config/v850/v850.h: Likewise.
1483 * cppalloc.c: Likewise.
1484 * cpperror.c: Likewise.
1485 * cppexp.c: Likewise.
1486 * cppfiles.c: Likewise.
1487 * cpphash.c: Likewise.
1488 * cpplib.c: Likewise.
1489 * cppmain.c: Likewise.
1490 * cppulp.c: Likewise.
1491 * demangle.h: Likewise.
1492 * doprint.c: Likewise.
1493 * dyn-string.c: Likewise.
1494 * eh-common.h: Likewise.
1495 * fix-header.c: Likewise.
1496 * frame.c: Likewise.
1499 * gen-protos.c: Likewise.
1500 * gencheck.c: Likewise.
1501 * halfpic.h: Likewise.
1503 * machmode.h: Likewise.
1504 * mbchar.c: Likewise.
1505 * prefix.c: Likewise.
1506 * protoize.c: Likewise.
1507 * recog.h: Likewise.
1509 * scan-decls.c: Likewise.
1511 * varray.h: Likewise.
1513 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
1515 * i386.md (call_value_pop): If we're not popping anything,
1516 defer to call_value.
1517 (call_pop): Likewise defer to call.
1519 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
1521 * function.c (purge_addressof): Clear purge_addressof_replacements
1522 only after processing the whole function.
1524 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
1526 * reload1.c (reload): If we can not perform a particular elimination
1527 when we thought we could earlier, then we must always iterate through
1528 the loop at least one more time.
1530 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
1532 * alpha.c (add_operand): Simplify the CONST_INT match.
1533 (sext_add_operand): Correct typo in comparison by using
1534 CONST_OK_FOR_LETTER_P.
1535 * alpha.md (s?addq): Use sext_add_operand to allow the negative
1536 constant alternatives to be generated.
1537 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
1538 small constants, since the hw instructions do.
1540 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1542 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
1543 previous insn to store directly into our reload register, make sure
1544 that if the source of the previous insn is a reload register, its
1545 spill_reg_store and spill_reg_stored_to values are cleared.
1547 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
1549 * rs6000.md (floatunssidf2_internal splitter): Use base register
1550 operand, not hard-coded SP.
1552 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1554 * jump.c (calculate_can_reach_end): Fix thinko.
1556 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
1558 * reorg.c (fill_simple_delay_slots): Fix typo.
1560 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
1562 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
1564 * i386.md (extendsidi2): Use # in the output template.
1565 (extendsidi splitters): New splitters.
1567 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
1569 * configure.in: Use unknown-elf.h as tm_file for arm-elf
1571 * configure: Regenerate.
1573 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1575 * jump.c (init_label_info, delete_barrier_successors,
1576 mark_all_labels, delete_unreferenced_labels,
1577 delete_noop_moves, calculate_can_reach_end): New functions broken
1578 out of jump_optimize.
1579 (jump_optimize): Use them.
1581 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1583 * except.c (expand_fixup_region_end): Make sure outer context labels
1584 are not issued in an inner context during cleanups.
1586 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
1588 * alpha.md (addsi3, subsi3): No new temporaries once cse is
1591 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
1593 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
1594 to expose this midpoint to CSE.
1596 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1598 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
1600 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1602 * configure.in: Bring over gcc2 change of Nov 19 1997.
1604 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
1606 * toplev.c (output_lang_identify): Make definition dependent on
1607 ASM_IDENTIFY_LANGUAGE.
1609 * print-rtl.c (spaces): Make static.
1611 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
1613 * extend.texi: Clarify proper uses for register clobbers in asms.
1615 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1617 * recog.h (enum op_type): Define.
1618 (constrain_operands): Adjust prototype.
1619 (recog_op_type): Declare new variable.
1620 * recog.c (recog_op_type): New variable.
1621 (insn_invalid_p): Allow modifying an asm statement after reload.
1622 (extract_insn): Set up recog_op_type.
1623 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
1624 Don't compute operand types, use recog_op_type.
1625 Use the information computed by extract_insn instead of the previous
1626 method of finding it by insn code number.
1627 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
1628 * reorg.c (fill_slots_from_thread): Likewise.
1629 * reload1.c (reload_as_needed): Likewise.
1630 (gen_reload): Likewise.
1631 (inc_for_reload): Likewise.
1632 (reload_cse_simplify_operands): Likewise.
1633 Use the information computed by extract_insn instead of the previous
1634 method of finding it by insn code number.
1635 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
1637 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
1638 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
1639 Use the information computed by extract_insn instead of the previous
1640 method of finding it by insn code number.
1641 * regmove.c (find_matches): Likewise. Change meaning of the return
1642 value to be nonzero if the optimization can be performed, zero if
1643 not. All callers changed.
1644 Shorten some variable names to fix formatting problems.
1645 (regmove_optimize): Shorten some variable names to fix formatting
1647 Use the information computed by extract_insn instead of the previous
1648 method of finding it by insn code number.
1649 * regclass.c (scan_one_insn): Likewise.
1650 (record_reg_classes): Don't compute operand types, use recog_op_type.
1651 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
1652 recog_constraints instead.
1654 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
1656 * rtl.h (flow2_completed): Declare.
1657 * flow.c (flow2_completed): Definition.
1658 * toplev.c (rest_of_compilation): Set and clear flow2_completed
1661 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1663 * Makefile.in (libcpp.a): Ranlib libcpp.a
1665 * cppulp.c (user_label_prefix): Initialize.
1667 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
1669 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
1670 at a RETURN if current_function_sp_is_unchanging is set.
1672 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1674 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
1676 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
1678 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
1679 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
1680 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
1681 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
1682 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
1683 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
1685 (LIB_SPEC): Handle -mno-cyginw option.
1686 (LINK_SPEC): Handle -mdll.
1688 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1690 * reload.c (find_reloads): Fix test for usage by other reload
1691 to handle secondary reloads properly.
1693 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1695 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
1696 intermediate structure which has exactly the members provided by
1697 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
1698 static intermediate structure.
1700 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
1701 from the intermediate structure. Do the same analogous fix in
1702 the case where ELIMINABLE_REGS is not defined.
1704 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
1706 * pa.h (SELECT_SECTION): Fix thinko.
1708 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
1710 * dwarf2out.c (output_call_frame_info): Comments on last change.
1712 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
1714 * arm.c (add_constant): When taking the address of an item in the
1715 pool, get the mode of the item addressed.
1717 * arm.c (final_prescan_insn case INSN): If an insn doesn't
1718 contain a SET or a PARALLEL, don't consider it for conditional
1721 Restore ABI compatibility for NetBSD.
1722 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
1724 (RETURN_IN_MEMORY): Likewise.
1726 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
1728 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
1729 (m32r_output_block_move): Rewrite bytes < 4 handling.
1731 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1733 * configure.in: Call AC_FUNC_VFORK.
1735 * collect2.c: Define VFORK_STRING as a printable string for
1736 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
1737 defined, include vfork.h. If VMS is defined, define vfork()
1738 appropriately. Remove vfork check on USG, we're using autoconf.
1739 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
1740 checking locally what string to pass.
1741 (scan_prog_file): Likewise.
1742 (scan_libraries): Likewise.
1744 * gcc.c: Remove vfork check on USG, we're using autoconf.
1745 Besides, no calls to vfork/fork occur in this file.
1747 * protoize.c: Likewise.
1749 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1751 * configure.in (DEFAULT_LINKER): renamed from LD
1752 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
1753 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
1754 * configure: rebuilt
1756 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1758 * BUGS: fix the regexp for `more' to find the appropriate node.
1759 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
1761 * BUGS: added link to the WWW FAQ
1763 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
1765 * version.c: Bump for snapshot.
1767 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
1769 * From Christian Gafton:
1770 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
1771 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
1772 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
1774 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
1776 * c-common.c (c_get_alias_set): Allow all type-punning through
1777 unions. Don't get confused about the type of a bit-field, despite
1778 the antics of build_modify_expr.
1780 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
1782 * fixinc.sco: Paramaterize #include_next values.
1783 * fixinc/fixinc.sco: Likewise.
1785 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
1787 * toplev.c (rest_of_compilation): No longer set reload_completed.
1788 * reload1.c (reload): Set it here. Perform instruction splitting
1789 after reload has completed if we will be running the scheduler
1792 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
1794 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
1795 EH region if exceptions are enabled and we're performing cross
1797 (find_cross_jump): Exit loop if the insns are in different EH regions.
1799 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
1801 * dwarf2out.c (output_call_frame_info): Use
1802 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
1804 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1806 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
1807 * c-common.c (check_format_info): Don't check for the 'x'
1808 format character twice, instead check for 'x' and 'X'
1810 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
1812 * configure.in (assembler features): Also make gas is configured if
1813 we find it in the souce tree.
1815 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
1817 * i386.c (i386_comp_type_attributes): Compare whether the
1818 attributes are defined, not their tree nodes.
1820 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1822 * configure.in (gxx_include_dir): bitten by autoconf quoting
1824 * configure: rebuilt
1826 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1828 * configure.in: Ignore non-absolute value in $AS.
1830 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
1832 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
1834 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
1836 * configure.in (msdosdjgpp): Set exeext and target_alias.
1838 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1840 * flow.c (XNMALLOC): New macro.
1841 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
1843 (add_edge, add_edge_to_label): New static functions.
1844 (free_bb_memory): New function.
1845 (flow_delete_insn): Delete function.
1846 (basic_block_drops_in): Delete variable.
1847 (find_basic_blocks): Allocate and initialize basic_block_head,
1848 basic_block_succ. Don't allocate basic_block_drops_in.
1849 Call free_bb_memory at the beginning.
1850 (find_basic_blocks_1): Don't do multiple passes.
1851 Delete code to compute basic_block_drops_in.
1852 After calling make_edges, mark blocks reached by current block live.
1853 Update test for unreachable live blocks.
1854 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
1856 Simplify to call add_edge_to_label when a LABEL_REF is found.
1857 (make_edges): Simplify to call add_edge_to_label instead of
1858 mark_label_ref most of the time.
1859 Compute here whether control drops into the next block.
1860 (delete_unreachable_blocks): Return void. All callers changed.
1861 Delete unreachable blocks in reverse order.
1862 After deleting all unreachable blocks, renumber the remaining ones
1863 and update n_basic_blocks.
1864 (delete_block): Speed up deletion a bit.
1865 Don't set basic_block_drops_in for deleted blocks.
1866 (free_basic_block_vars): Don't free basic_block_drops_in.
1867 (life_analysis_1): Update to use new edge representation.
1868 (dump_flow_info): Delete code to print basic block info; call
1869 dump_bb_data instead.
1870 (compute_preds_succs): Delete code to recompute basic_block_drops_in
1871 and uid_block_number.
1872 Simply copy the previously computed cfg.
1873 (dump_bb_data): New arg LIVE_INFO. All callers changed.
1874 Print register lifetime information if LIVE_INFO is nonzero.
1875 * basic-block.h (dump_bb_data): Adjust prototype.
1876 * gcse.c (gcse_main): Update call to dump_bb_data.
1877 * rtl.h (free_bb_memory): Declare.
1878 * toplev.c (rest_of_compilation): Call free_bb_memory.
1880 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
1881 (update_eliminable_offsets): Don't compute it.
1882 (set_initial_elim_offsets): Don't initialize it.
1883 Break out some code into set_initial_label_offsets so the rest of
1884 this function can be called from reload_as_needed.
1885 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
1886 ELIMINABLE_REGS isn't.
1887 (set_initial_label_offsets): New function, broken out of
1888 set_initial_elim_offsets.
1889 (set_offsets_for_label): New function, broken out of set_label_offsets
1890 and reload_as_needed.
1891 (reload): Call the two new functions.
1892 (reload_as_needed): Call set_initial_elim_offsets instead of
1893 duplicating the code. Likewise for set_offsets_for_label.
1895 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
1896 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
1897 any hard reg, reg_reloaded_dead contains valid data.
1899 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
1901 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
1902 "stdcall" and "cdecl" attributes.
1904 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
1906 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
1907 handle deleted no-op moves of hard registers.
1908 * haifa-sched.c (update_flow_info): Likewise.
1910 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
1912 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
1913 of the sequences to reload the HILO register which do not actually
1916 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
1918 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
1920 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1922 * except.c (emit_eh_context): Make the EH context register stay alive
1923 at -O0 so stupid.c doesn't get confused.
1925 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1927 * emit-rtl.c (try_split): Do not try to split a BARRIER.
1929 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
1930 Jeffrey A Law (law@cygnus.com)
1932 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
1933 (zero_extendsidi2): Use # in output template and handle completely by
1935 (zero_extend splitters): New define_splits.
1936 (ashiftrt_32): New pattern.
1938 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
1940 * tree.c (append_random_chars): New fn.
1941 (get_file_function_name_long): Use it.
1943 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
1945 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
1946 (LIBCPP_OBJS): New. Add cppulp.o.
1947 (cppmain, fix-header): Depend on and use libcpp.a.
1948 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
1949 of the individual object files.
1950 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
1953 * cccp.c (user_label_prefix): New.
1954 (main): Set it off -f*leading-underscore.
1955 (special_symbol): Use it.
1956 * cpplib.c (special_symbol): Likewise.
1957 (cpp_handle_option): Handle -f*leading-underscore.
1958 * cppulp.c: New file.
1960 * output.h (user_label_prefix): Declare it.
1961 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
1962 * toplev.c (f_options, main): Handle -f*leading-underscore.
1964 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
1965 referencing USER_LABEL_PREFIX directly.
1966 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
1967 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
1968 * final.c (asm_fprintf): Use user_label_prefix instead.
1969 * arm/thumb.c (thumb_print_operand): Likewise.
1971 * gcc.c (default_compilers): Pass -f*leading-underscore on to
1972 cpp wherever appropriate.
1974 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
1976 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
1977 specific compiler switches.
1979 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
1981 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
1984 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1986 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
1987 structure which has exactly the members provided by EXTRA_SPECS.
1988 Xmalloc() the real `extra_specs', and initialize it from this
1989 intermediate structure.
1991 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
1993 * mips.h (EXTRA_SPECS): Likewise.
1995 * sparc.h (EXTRA_SPECS): Likewise.
1997 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1999 * function.c (purge_addressof_1): Instead of aborting when a
2000 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2001 work just put the ADDRESSOF on stack. Otherwise remember all such
2002 successfull replacements, so that exactly the same replacements
2003 can be made on the REG_NOTEs. Remove the special case for CALL
2005 (purge_addressof_replacements): New variable.
2006 (purge_addressof): Clear it at end.
2008 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2010 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2011 (lang_init): Call check_newline always.
2012 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2013 cpp_start_read, set yy_cur and yy_lim to read from
2014 parse_in.token_buffer, so that we'll see the first #line
2016 * cpplib.c (cpp_start_read): finclude the main input file
2017 before processing -include/-imacros. Process -imacros and
2018 -include separately, and handle -include by stacking a
2019 buffer for the file in question as if it'd been #included.
2020 * toplev.c (documented_lang_options) Recognize -H when
2023 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2025 * cpplib.c: Merge do_once into do_pragma. Break file handling
2026 code out of do_include.
2027 Move append_include_chain, deps_output,
2028 file_cleanup, redundant_include_p, import_hash,
2029 lookup_import, add_import, read_filename_string, read_name_map,
2030 open_include_file, finclude, safe_read to cppfiles.c.
2031 Move prototypes for deps_output, append_include_chain,
2032 finclude to cpplib.h. Move definition of struct
2033 file_name_list there also.
2035 * cppfiles.c: New file. Contains all the above functions
2036 broken out of cpplib.c; also hack_vms_include_specification
2037 from cccp.c and find_include_file, a new function broken out of
2040 * Makefile.in (cppmain): Depend on cppfiles.o.
2041 (fix-header): Likewise.
2042 (cppfiles.o): New target.
2043 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2044 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2046 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2048 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2049 if pending_types is non-zero.
2050 (dwarfout_finish): Verify pending_types is zero before finishing.
2052 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2054 * expr.c (convert_move): Use shifts to perform the move if a
2055 suitable extend pattern cannot be found. Code written by
2056 Richard Henderson <rth@cygnus.com>.
2058 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2060 * regclass.c (renumber, regno_allocated): New static variables, moved
2061 out of allocate_reg_info.
2062 (allocate_reg_info): Move these two variables outside the function.
2063 Move code to free memory into new function free_reg_info.
2064 (free_reg_info): New function, broken out of allocate_reg_info.
2065 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2066 * rtl.h (allocate_reg_info): Don't declare.
2067 (free_reg_info): Declare.
2069 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2071 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2073 * toplev.c (compile_file): Temporarily revert last change.
2075 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2077 * c-typeck.c (convert_for_assignment): Parenthesize.
2079 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2081 * reload1.c (delete_output_reload): Avoid ambigous else.
2083 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2085 * toplev.c (compile_file): Call allocate_reg_info to free register
2087 * rtl.h (allocate_reg_info): Declare.
2089 * PROJECTS: Remove entry for local spilling.
2091 * final.c (cleanup_subreg_operands): New function.
2092 (final_scan_insn): Use it.
2093 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2095 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2096 operands when reload has finished.
2097 * reload.h (cleanup_subreg_operands): Declare..
2098 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2099 reload. Handled in reload itself.
2101 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2103 * reload1.c (verify_initial_offsets): New function.
2104 (reload): Call it after reload_as_needed. Also verify that the frame
2105 size stays constant during reload_as_needed.
2106 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2108 * reload.h (struct insn_chain): Add need_operand_change element.
2109 * reload1.c (new_insn_chain): Clear it.
2110 (calculate_needs_all_insns): Set it; don't overload need_reload.
2111 (reload_as_needed): Use it.
2113 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2114 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2115 and reload_address_index_reg_class.
2116 (find_reloads_address_1): Likewise.
2117 * reload.h (reload_address_base_reg_class,
2118 reload_address_index_reg_class): Don't declare.
2119 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2120 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2121 (used_spill_regs): Now static.
2122 (reload_address_base_reg_class, reload_address_index_reg_class,
2123 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2124 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2125 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2128 (init_reload): Delete code to compute base/index reg classes.
2129 (reload): Delete variable J.
2130 Delete code to manage basic_block_needs.
2131 Don't compute regs_explicitly_used.
2132 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2133 pseudo_previous_regs.
2134 Initialize bad_spill_regs_global.
2135 Don't call order_regs_for_reload here.
2136 Don't initialize spill_reg_order and n_spills.
2137 Don't forbid explicitly used regs to be used for spill regs.
2138 Change main loop to infinite loop, with explicit break statements.
2139 Make SOMETHING_CHANGED variable local to that loop.
2140 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2141 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2142 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2144 Don't call dump_needs.
2145 Delete code to reset potential_reload_regs.
2146 Delete code to terminate loop conditional on the global needs variables
2147 showing no further needs.
2148 (calculate_needs_all_insns): Return void. All callers changed.
2149 Initialize somehing_needs_elimination here, not in reload.
2150 Delete avoid_return_reg kludge.
2151 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2152 All callers changed.
2153 Initialize the group_mode and group_size elements of the arg CHAIN.
2154 Delete code to manage basic_block_needs.
2155 Operate on elements of CHAIN instead of global variables.
2156 Delete avoid_return_reg kludge.
2157 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2158 All callers changed.
2159 Operate on elements of CHAIN instead of global variables.
2160 Delete special SMALL_REGISTER_CLASSES code.
2161 Delete spill_failure code; now in new_spill_reg.
2162 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2163 All callers changed.
2164 Operate on elements of CHAIN instead of global variables.
2165 (maybe_mark_pseudo_spilled): New static function.
2166 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2167 All callers changed.
2168 Operate on elements of CHAIN instead of global variables.
2169 Call order_regs_for_reload here, not in reload.
2170 Initialize spill_reg_order and n_spills.
2171 Simplify test whether an asm insn is involved.
2172 Delete spill_failure code; now in new_spill_reg.
2173 Call maybe_mark_pseudo_spilled for everything marked as live in
2174 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2176 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2177 compiler from optimizing this function (now unused) away.
2178 Operate on elements of CHAIN instead of global variables.
2179 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2181 Operate on elements of CHAIN instead of global variables.
2182 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2183 take CHAIN arg. All callers changed.
2184 Operate on elements of CHAIN instead of global variables.
2185 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2186 CHAIN, NONGROUP args. Return void. All callers changed.
2187 Verify caller isn't trying to spill a pseudo.
2188 Simplify test for illegal reg, just use bad_spill_regs.
2189 Generate better error messages.
2190 Operate on elements of CHAIN instead of global variables.
2191 Mark spilled register in CHAIN's used_spill_regs element.
2192 Don't call spill_hard_reg.
2193 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2194 Mark spilled hard regs in bad_spill_regs_global.
2195 Mark affected pseudos in spilled_pseudos, but don't spill them.
2196 (ior_hard_reg_set): New static function.
2197 (finish_spills): Return int. All callers changed.
2198 Compute spill_reg_order, n_spills and spill_regs here. Also update
2199 regs_ever_live for regs used as spills.
2200 For every pseudo in spilled_pseudos, spill it and mark the previous
2201 hard reg it had in pseudo_previous_regs. Compute which hard regs
2202 arseudo): New static function.
2203 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2204 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2205 hard registers explicitly used across the current insn into the set.
2206 Compute hard_reg_n_uses taking only pseudos live across this insn
2208 Tweak sorting of potential_reload_regs.
2209 (compare_spill_regs): Delete function.
2210 (reload_as_needed): Don't sort the spill_regs array, it's computed
2211 in proper order in finish_spills.
2212 Delete avoid_return_reg kludge.
2213 Delete code to manage basic_block_needs.
2214 (allocate_reload_reg): Minor speed/readability tweaks.
2215 Operate on elements of CHAIN instead of global variables.
2216 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2217 Delete avoid_return_reg kludge.
2218 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2219 Delete unused label FAIL.
2220 (reload_combine): Replce reload_address_index_reg_class with
2222 Don't use used_spill_regs to determine information about lifetime of
2225 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2227 * toplev.c (display_help): Ignore empty target specific
2228 options, and if -W is also specified on the command line then
2229 display undocumented options.
2231 * config/arm/arm.c: Updated with changes in devo sources.
2232 * config/arm/arm.h: Updated with changes in devo sources.
2233 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2234 * config/arm/lib1thumb.asm: Add ELF support.
2236 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2238 * collect2.c (aix64_flag): New variable.
2239 (main, case 'b'): Parse it.
2240 (GCC_CHECK_HDR): object magic number must match mode.
2241 (scan_prog_file): Only check for shared object if valid header.
2242 Print debugging if header/mode mismatch.
2244 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2246 Added support for arm-elf-linux configuration, submitted by Philip
2247 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2248 code developed by Catherine Moore <clm@cygnus.com>. The following
2251 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
2254 * configure: Regenerated.
2256 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
2257 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
2258 definitions conditional on their not having been already defined.
2260 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
2261 and .type directives, and add "(PLT)" qualification to function
2264 * config/arm/linux.h: Deleted. This file is now superceeded by
2265 either linux-elf.h or linux-aout.h.
2267 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
2268 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
2270 Move definitions from old linux.h file here.
2272 * config/arm/elf.h: New file. Generic ARM/ELF support.
2274 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
2276 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
2278 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
2279 using the 26bit APCS.
2281 * config/arm/unknown-elf.h: New file. Support for OS'es other
2282 than Linux with ELF.
2284 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
2287 * config/arm/coff.h: Include aout.h for basic assembler macros.
2288 Add support for -mstructure_size_boundary=<n> command line option.
2290 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
2291 command line option. Make macro definitions conditional on their
2292 not having been already defined.
2294 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
2295 command line option.
2298 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
2300 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
2301 has been changed to not include a newline. Use this macro instead.
2302 (output_enumeral_list, const_value_attribute, name_attribute,
2303 comp_dir_attribute, prototyped_attribute, producer_attribute,
2304 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
2305 dwarfout_file_scope_decl, generate_new_sfname_entry,
2306 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
2307 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
2309 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
2311 * combine.c (subst): Process the inputs to a parallel asm_operands
2314 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
2316 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
2318 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
2320 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
2322 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
2324 * version.c: Bump for snapshot.
2326 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2328 * stmt.c (expand_fixup): Set fixup->before_jump to a
2329 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
2331 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2333 * Makefile.in (recog.o): Depend on toplev.h.
2334 (insn-emit.o): Depend on recog.h.
2335 (insn-peep.o): Depend on recog.h and insn-config.h.
2337 * combine.c (simplify_set): Remove unused variable `scratches'.
2339 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
2340 and `idx' in macro conditional controlling their use.
2342 * genemit.c (main): Make the generated output file include
2343 recog.h. Don't have it declare `insn_operand_constraint', since
2344 we get it from recog.h.
2346 * genpeep.c (main): Make the generated output file include
2347 insn-config.h and recog.h.
2349 * recog.c: Include toplev.h.
2350 (extract_insn): Remove unused variable `p'.
2352 * regclass.c (fix_register): Add missing braces around initializer
2354 (allocate_reg_info): Move variable `i' into the scope where it is
2355 used. Change its type to `size_t'.
2357 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2359 * reload.c (push_reload): When merging reloads, make sure
2360 that reload_in_reg and reload_in are from the same reload in
2363 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
2365 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
2366 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2368 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
2370 * loop.c (loop_has_tablejump): New variable.
2371 (prescan_loop): Scan for it.
2372 (insert_bct): Replace explicit scan with use of it.
2373 * regclass.c (regclass): Restore loop variable j.
2374 (record_reg_classes): Deterine op_types modifiers and initialize
2375 classes[i] before matching constraints. Handle matching
2378 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
2380 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
2383 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2385 * mips.h (EXTRA_SPECS): Add missing initializers.
2387 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2389 * sparc.h (EXTRA_SPECS): Add missing initializers.
2390 (sparc_defer_case_vector): Provide a prototype.
2392 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
2393 comparing it to the result of a pointer subtraction.
2395 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2397 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
2398 the argument to (unsigned char).
2400 * alpha.h (EXTRA_SPECS): Add missing initializers.
2401 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
2404 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
2406 * flow.c (life_analysis_1): Enable "rescan" code after reload.
2407 (propagate_block): Delete dead code after reload.
2409 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
2410 back Oct 15, 1998 change.
2411 * haifa-sched.c (update_flow_info): Likewise.
2412 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
2414 * mn10200.md (truncated shift): Accept constant inputs too.
2416 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
2418 * machmode.h (mode_mask_array): No longer const.
2419 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
2421 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2423 * frame.c: Somewhat explain `FDE'.
2424 Suggested by Brendan Kehoe
2426 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
2428 * expr.c (pending_chain): Move up.
2429 (save_expr_status): Do save pending_chain.
2430 (restore_expr_status): And restore it.
2431 * function.h (struct function): Add pending_chain.
2433 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2435 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
2436 did not match the code.
2438 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2440 * regclass.c (regclass): Break out some code into new function
2441 scan_one_insn, and into regclass_init.
2442 (init_cost): New static variable, moved out of regclass.
2443 (regclass_init): Initialize it here, not in .
2444 (scan_one_insn): New static function, broken out of regclass.
2445 * recog.c (apply_change_group): Break out some code into new
2446 function insn_invalid_p.
2447 (insn_invalid_p): New static fn, broken out of apply_change_group.
2449 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
2451 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
2452 reg_reloaded_contents matches incremented pseudo.
2454 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
2456 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2458 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
2459 addressing modes with side effects. These are currently
2460 placeholders for the C4x target.
2462 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2464 * loop.c (express_from): Make sure that when generating a PLUS of
2465 a PLUS, any constant expression appears on the outermost PLUS.
2467 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
2469 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
2470 works if "$(srcdir)" != ".".
2472 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
2474 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
2475 existing SUBREG if we can, otherwise abort.
2477 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
2479 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
2480 `restrict' is applied to a non-pointer variable.
2482 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
2484 * invoke.texi: Document -flang-isoc9x.
2486 * Makefile.in (OBJS): Add splay-tree.o.
2487 (c-common.o): Depend on rtl.h.
2488 (splay-tree.o): List dependencies and provide build rule.
2490 * rtl.h (record_alias_subset): New function.
2491 * alias.c: Include splay-tree.h.
2492 (alias_set_entry): New type.
2493 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
2494 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
2495 (mems_in_disjoin_alias_sets_p): New function.
2496 (alias_set_compare): Likewise.
2497 (insert_subset_children): Likewise.
2498 (get_alias_set_entry): Likewise.
2500 * tree.h (TYPE_RESTRICT): New macro.
2501 (TYPE_UNQUALIFIED): New manifest constant.
2502 (TYPE_QUAL_CONST): Likewise
2503 (TYPE_QUAL_VOLATILE): Likewise.
2504 (TYPE_QUAL_RESTRICT): Likewise.
2505 (tree_type): Add restrict_flag. Reduce count of free bits.
2506 (DECL_POINTER_ALIAS_SET): New macro.
2507 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
2508 (tree_decl): Add pointer_alias_set.
2509 (build_qualified_type): New function.
2510 (build_type_variant): Define in terms of build_qualified_type.
2511 * tree.c (set_type_quals): New function.
2512 (make_node): Initializae DECL_POINTER_ALIAS_SET.
2513 (build_type_attribute_variant): Use build_qualified_type and
2515 (build_type_variant): Rename, and modify, to become...
2516 (build_qualified_type): New function.
2517 (build_complex_type): Use set_type_quals.
2519 * c-tree.h (C_TYPE_OBJECT_P): New macro.
2520 (C_TYPE_FUNCTION_P): Likewise.
2521 (C_TYPE_INCOMPLETE_P): Likewise.
2522 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
2523 (c_apply_type_quals_to_decl): New function.
2524 (c_build_qualified_type): New function.
2525 (c_build_type_variant): Define in terms of c_build_qualified_type.
2526 (flag_isoc9x): Declare.
2527 * c-typeck.c (qualify_type): Use c_build_qualified_type.
2528 (common_type): Change to use TYPE_QUALS.
2529 (comptypes): Likewise.
2530 (convert_for_assignment): Likewise.
2531 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
2532 * c-decl.c (flag_isoc9x): Define.
2533 (c_decode_option): Handle -flang-isoc9x.
2534 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
2535 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
2536 * c-lex.c (init_lex): Deal with restrict.
2537 (init_lex): Don't treat restrict as a reserved word in
2538 -traditional mode, or without -flang-isoc9x.
2539 * c-lex.h (rid): Add RID_RESTRICT.
2540 * c-parse.gperf (restrict, __restrict, __restrict__): Make
2541 equivalent to RID_RESTRICT.
2542 * c-parse.in (TYPE_QUAL): Update comment.
2543 * c-common.c: Include rtl.h.
2544 (c_find_base_decl): New function.
2545 (c_build_type_variant): Rename, and modify, to become ...
2546 (c_build_qualified_type): New function.
2547 (c_apply_type_quals_to_decl): Likewise.
2548 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
2549 a particular alias set for the reference.
2550 * toplev.c (documented_lang_options): Add -flang-isoc9x.
2552 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
2554 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
2555 command line switches.
2557 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
2559 * reload.c (loc_mentioned_in_p): Add missing braces to bind
2562 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
2564 * gcc.c (option_map): Added --classpath and --CLASSPATH.
2566 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
2568 * regclass.c (fix_register): Add error message.
2569 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
2572 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2574 * c-decl.c (warn_missing_noreturn): New global variable.
2575 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
2576 (finish_function): Implement missing noreturn warning.
2578 * c-tree.h (warn_missing_noreturn): Declare extern.
2580 * invoke.texi: Document new flags.
2582 * toplev.c (documented_lang_options): Add description.
2584 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2586 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
2587 loop optimization stable for the C4x.
2588 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
2589 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
2590 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
2592 (c4x_address_conflict): Be more paranoid when packing a volatile
2593 memref in a parallel load/store.
2595 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2597 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
2598 repeat_block_filler): Deleted.
2599 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
2600 Condition code not set if destination register from 'c' class.
2601 (*subbqi3_carry_clobber): Fix typo.
2603 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2605 * reorg.c (steal_delay_list_from_target) Check for insns that
2606 modify the condition codes and effect the direction of the jump
2609 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
2611 * function.c (purge_addressof_1): Replace call to
2612 emit_insns_before() with emit_insn_before().
2614 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
2616 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
2618 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2620 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
2622 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
2624 * gcse.c (compute_hash_table): Correctly identify hard regs which are
2625 clobbered across calls.
2627 * loop.c (scan_loop): Be more selective about what invariants are
2628 moved out of a loop.
2630 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
2632 * version.c: Bump for snapshot.
2634 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
2636 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
2637 static eh_context structure.
2639 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2641 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
2643 (try_combine): Don't update max_scratch.
2644 * flow.c (max_scratch, num_scratch): Delete variables.
2645 (life_analysis_1): Don't initialize max_scratch.
2646 (propagate_block): Don't update max_scratch.
2647 (mark_set_1): Don't increment num_scratch.
2648 * regs.h (max_scratch): Delete declaration.
2650 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
2652 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
2653 is nonzero. This is temporary!
2655 * sched.c (update_flow_info): Handle death notes made invalid by
2656 instruction splitting. Partially reverts Oct 15, 1998 patch.
2657 * haifa-sched.c (update_flow_info): Likewise.
2659 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
2661 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
2662 if it has a nonzero DECL_INITIAL.
2664 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2666 * Makefile.in (flow.o): Depend on recog.h.
2668 * cpplib.h (directive_table): Add missing initializiers.
2669 (finclude): Change type of variable `bsize' to size_t.
2671 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
2673 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
2675 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
2676 `int' when comparing against one.
2677 (cpp_file_line_for_message): Mark parameter `pfile' with
2679 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
2681 * flow.c: Include recog.h.
2682 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
2684 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
2685 `f' with ATTRIBUTE_UNUSED.
2686 (reposition_prologue_and_epilogue_notes): Likewise.
2688 * genopinit.c (gen_insn): Cast argument of ctype functions to
2691 * haifa-sched.c: Include recog.h.
2692 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
2693 comparing against one.
2695 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
2697 * mips-tfile.c (parse_end): Cast the argument of ctype function to
2699 (parse_ent): Likewise.
2700 (parse_input): Likewise.
2702 * optabs.c (init_libfuncs): Likewise.
2704 * protoize.c (find_rightmost_formals_list): Likewise.
2706 * recog.h (const_double_operand): Fix typo in prototype.
2708 * tlink.c (scan_linker_output): Cast the argument of ctype
2709 function to `unsigned char'.
2711 * toplev.c (check_lang_option): Cast the result of `strlen' to
2712 `int' when comparing against one.
2714 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
2716 * gcse.c (dump_cuid_table): Correct typo.
2718 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
2720 * toplev.c (display_help): Prepend '-m' to target specific
2722 (check_lang_option): Ignore text after end of first word of a
2723 language specific option.
2725 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2727 * reload1.c (reg_used_by_pseudo): New static variable.
2728 (choose_reload_regs): Initialize it.
2729 Use it instead of testing spill_reg_order to determine whether a
2730 pseudo is live in a hard register across the current insn.
2731 Fix a typo in a reference to reload_reg_rtx.
2733 * flow.c (propagate_block): Replace code that computes and uses
2734 regs_sometimes_live with simpler code that just walks the set of
2735 currently live registers.
2737 * Makefile.in (insn-extract.o): Fix dependencies.
2738 * genextract.c (main): Generate includes for insn-config.h and
2740 Delete generation of declarations which are now in recog.h.
2741 * genrecog.c (main): Delete generation of definitions which are
2743 * local-alloc.c (block_alloc): Use extract_insn and the variables
2744 it sets up instead of looking up values by insn_code.
2745 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
2746 recog_dup_num): Define here instead of generating the definition in
2748 (recog_n_operands, recog_n_dups, recog_n_alternatives,
2749 recog_operand_mode, recog_constraints, recog_operand_address_p):
2751 (extract_insn): New function.
2752 * recog.h (extract_insn): Declare function.
2753 (which_alternative, recog_n_operands, recog_n_dups,
2754 recog_n_alternatives, recog_operand_mode, recog_constraints,
2755 recog_operand_address_p): Declare variables.
2756 * regclass.c (n_occurrences): New static function.
2757 * reload.c (n_occurrences): Delete function.
2758 (find_reloads): Use extract_insn.
2759 * reload.h (n_occurrences): Delete declaration.
2761 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
2763 * reload1.c (reload_as_needed): Fix test for when to call
2764 update_eliminable_offsets.
2766 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2768 Fix consistency problems with reg_equiv_{mem,address};
2769 Improve reload inheritance;
2771 * reload.c (reload_out_reg): New variable.
2772 (loc_mentioned_in_p, remove_address_replacements): New functions.
2773 (remove_replacements): Deleted.
2774 (push_reload): Set reload_out_reg[i].
2775 When merging, also set reload_{in,out}_reg[i], and remove
2776 duplicate address reloads.
2777 (combine_reloads): Copy reload_out_reg[i].
2778 (find_reloads): Do make_memloc substitution also when
2779 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
2781 Include *recog_operand_loc in commutativity operand changes.
2782 Generate optional output reloads.
2783 Delete reference to n_memlocs. Don't set *recog_operand_loc before
2784 processing operands. Call make_memloc in reg_equiv_address code.
2785 Set *recog_operand_loc only after processing operands, and only
2786 if replace is true. Return a value.
2787 When changing address reload types for operands that didn't get
2788 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
2789 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
2790 Don't emit USEs for pseudo SUBREGs when not replacing.
2791 (find_reloads_address): Do make_memloc substitution also when
2792 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
2794 (find_reloads_toplev): Likewise.
2795 Call make_memloc in reg_equiv_address code.
2796 (debug_reload_to_stream): Add code to output reload_out_reg.
2797 (make_memloc): Delete local variable i, ifdefed out code, and
2798 references to memlocs and n_memlocs.
2799 (memlocs, n_memlocs): Delete.
2800 (push_secondary_reload): Clear reload_out_reg.
2801 (find_reloads_address_1): Provide memrefloc argument to all calls
2802 to find_reloads_address.
2803 In AUTO_INC code, handle non-directly addressable equivalences properly.
2804 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
2805 (find_reloads): Add return type.
2806 (remove_address_replacements, deallocate_reload_reg): Declare.
2807 * reload1.c (num_not_at_initial_offset): No longer static.
2808 (delete_address_reloads, delete_address_reloads_1): Likewise.
2809 (deallocate_reload_reg): New function.
2810 (spill_reg_stored_to): New array.
2811 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
2812 (eliminate_regs_in_insn): Move assignments of previous_offset and
2813 max_offset fields, and recalculation of num_not_at_initial_offset
2814 into new static function:
2815 (update_eliminable_offsets) .
2816 (reload_as_needed): Call update_eliminable_offsetss after calling
2818 Call forget_old_reloads_1 with contents of reloaded auto_inc
2819 expressions if the actual addressing can't be changed to match the
2821 (choose_reload_regs): For inheritance, replace
2822 reload_reg_free_before_p test with reload_reg_used_at_all test, and
2823 remove stand-alone reload_reg_used_at_all test.
2824 Use reload_out_reg to determine which reload regs have output reloads.
2825 Treat reload_override_in more similar to inherited reloads.
2826 Handle (subreg (reg... for inheritance.
2827 For flag_expensive_optimizations, add an extra pass to remove
2828 unnecessary reloads from known working inheritance.
2829 Delete obsolete code for pseudos replaced with MEMs.
2830 Handle inheritance from auto_inc expressions.
2831 (emit_reload_insns): If reload_in is a MEM, set OLD to
2833 Don't reload directly from oldequiv; if it's a pseudo with a
2834 stack slot, use reload_in[j].
2835 Check that reload_in_reg[j] is a MEM before replacing reload_in
2836 from reg_reloaded_contents.
2837 Include non-spill registers in reload inheritance processing.
2838 Also try to use reload_out_reg to set spill_reg_store /
2839 reg_last_reload_reg.
2840 In code to set new_spill_reg_store, use single_set to find out if
2841 there is a single set.
2842 Add code that allows to delete optional output reloads.
2843 Add code to allow deletion of output reloads that use no spill reg.
2844 At the end, set reload_override_in to oldequiv.
2845 Also call delete_output_reload if reload_out_reg is equal to old
2847 Add code to call delete_output_reload for stores with no matching load.
2848 Set / use spill_reg_stored_to.
2849 Handle case where secondary output reload uses a temporary, but
2850 actual store isn't found.
2851 When looking for a store of a value not loaded in order to call
2852 delete_output_reload, count_occurences should return 0 for no
2853 loads; but discount inherited input reloadill_reg_stored_to.
2854 Do checks for extra uses of REG. Changed all
2856 Use delete_address_reloads.
2857 (reload): Take return value of find_reloads into account.
2858 If a no-op set needs more than one reload, delete it.
2859 (reload_reg_free_before_p): RELOAD_FOR_INPUT
2860 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
2861 for the same operand.
2862 (clear_reload_reg_in_use): Check for other reloads that keep a
2864 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
2865 RELOAD_FOR_OPADDR_ADDR.
2866 Take into account when an address address reload is only needed
2867 for the address reload we are considering.
2868 (count_occurrences): Use rtx_equal_p for MEMs.
2869 (inc_for_reload): Return instruction that stores into RELOADREG.
2870 New argument two, IN, and rtx. Changed all callers.
2871 (calculate_needs_all_insns, reload_as_needed):
2872 Don't clear after_call for a CLOBBER.
2873 Keep track of how many hard registers need to be copied from
2874 after_call, and don't clear after_call before we have seen
2875 that much copies, or we see a different instruction.
2877 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
2879 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
2880 after reload has completed.
2882 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
2884 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
2885 a macro name and the next token with a single blank if that whitespace
2886 is in a macro buffer and the next token is not '('.
2888 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
2890 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
2892 (skip_if_group): Ditto.
2893 (skip_to_end_of_comment): Ditto.
2895 (discard_comments): Ditto.
2896 (change_newlines): Ditto.
2898 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
2900 * c-lex.c (yylex): Fix unaligned access of wchar_t.
2902 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
2904 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
2905 (TARGET_OPTIONS): Add --help documentation.
2907 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2909 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
2911 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
2913 * fixinc/* Moved in from ../contrib directory in preparation
2914 for integrating it into the normal build process. In particular,
2915 fixinc/Makefile.in must be config-ed into the build directory
2916 as fixinc/Makefile. Proposed patches to ./Makefile.in and
2917 ./configure.in will be "in the mail" momentarily.
2919 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
2921 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
2922 accidently walk into the free list. Comment how that can happen.
2923 (invalidate): Fix indentation.
2925 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2926 Jeffrey A Law (law@cygnus.com)
2928 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
2929 reload. Never perform rescans of the insn chain after reload.
2930 (propagate_block): Do not delete insn or create new autoinc addressing
2933 * jump.c (jump_optimize): Unconditionally use the code that was
2934 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
2935 * reload1.c (reload): When reloading is finished, delete all
2936 REG_DEAD and REG_UNUSED notes.
2937 (emit_reload_insns): Delete all code that was conditional on
2938 PRESERVE_DEATH_INFO_REGNO_P.
2939 (no_longer_dead_regs): Delete variable.
2940 (reload_cse_delete_death_notes): Delete function.
2941 (reload_cse_no_longer_dead): Delete function.
2942 (reload_cse_regs_1): Delete all code to handle deletion of death
2944 (reload_cse_noop_set_p): Likewise.
2945 (reload_cse_simplify_set): Likewise.
2946 (reload_cse_simplify_operands): Likewise.
2947 (reload_cse_move2add): Likewise.
2948 * reorg.c (used_spill_regs): Delete declaration.
2949 (max_label_num_after_reload): Delete declaration.
2950 (find_dead_or_set_registers): Don't assume that spill regs are
2951 dead at a CODE_LABEL.
2952 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
2954 * sched.c (sched_analyze_insn): Likewise.
2955 (update_flow_info): Likewise.
2956 * haifa-sched.c (sched_analyze_insn): Likewise.
2957 (update_flow_info): Likewise.
2958 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
2959 * toplev.c (max_label_num_after_reload): Delete variable.
2960 (rest_of_compilation): Don't set max_label_num_after_reload.
2961 Call life_analysis after reload_cse_regs if optimizing.
2962 * config/gmicro/gmicro.h: Delete comment referring to
2963 PRESERVE_DEATH_INFO_REGNO_P.
2964 * config/i386/i386.h: Likewise.
2965 * config/m88k/m88k.h: Likewise.
2966 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
2967 * config/sh/sh.h: Likewise.
2969 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
2971 * loop.c (strength_reduce): Restore marking bct_p as
2973 * rs6000.c (optimization_options): Change #ifdef HAIFA to
2974 HAVE_decrement_and_branch_on_count.
2975 (small_data_operand): Remove TARGET_ELF condition for marking
2976 parameters ATTRIBUTE_UNUSED.
2978 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
2980 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
2981 (SELECT_SECTION): Resync with svr4.h.
2983 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
2985 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
2988 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
2990 * c-pragma.c (handle_pragma_token): Test for null tree before
2991 dereferencing TREE_CODE.
2993 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2995 * config/c4x/c4x.c: Convert to use GEN_INT.
2996 (c4x_parallel_process): Rework to handle new repeat loop structure.
2998 * config/c4x/c4x.md: Convert to use GEN_INT.
2999 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3000 (decrement_and_branch_on_count): Likewise.
3002 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3003 loop.c has the desired functionality.
3004 (rc_reg_operand): New prototype.
3006 * config/c4x/t-c4x: Can now build all front ends.
3008 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3010 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3012 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3014 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3015 * config/t-rtems: Do not install assert.h -- use newlib's.
3017 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3019 * combine.c (combine_instructions): When finished, call init_recog.
3020 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3022 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3024 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3026 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3028 * cppalloc.c (memory_full): Mark function prototype with
3031 * demangle.h (collect_exit): Likewise.
3033 * fix-header.c (v_fatal, fatal): Likewise.
3035 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3038 * gcov.c (print_usage): Likewise.
3040 * genattr.c (fatal, fancy_abort): Likewise.
3042 * genattrtab.c (fatal, fancy_abort): Likewise.
3044 * gencodes.c (fatal, fancy_abort): Likewise.
3046 * genconfig.c (fatal, fancy_abort): Likewise.
3048 * genemit.c (fatal, fancy_abort): Likewise.
3050 * genextract.c (fatal, fancy_abort): Likewise.
3052 * genflags.c (fatal, fancy_abort): Likewise.
3054 * genopinit.c (fatal, fancy_abort): Likewise.
3056 * genoutput.c (fatal, fancy_abort): Likewise.
3058 * genpeep.c (fatal, fancy_abort): Likewise.
3060 * genrecog.c (fatal, fancy_abort): Likewise.
3062 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3063 __sjpopnthrow, __throw): Likewise.
3065 * objc/objc-act.c (objc_fatal): Likewise.
3067 * protoize.c (usage, aux_info_corrupted,
3068 declare_source_confusing): Likewise.
3070 * rtl.c (dump_and_abort): Likewise.
3072 * rtl.h (sets_cc0_p): Likewise.
3074 * toplev.c (float_signal, pipe_closed): Likewise.
3076 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3078 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3079 when generating the decision tree for the general case.
3081 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3082 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3084 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3086 * Makefile.in (sched.o): Depend on recog.h.
3088 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3089 (unsigned) when comparing against one.
3090 (find_base_value): Likewise.
3091 (record_base_value): Cast variable `regno' to (unsigned) when
3092 comparing against one. Cast the result of REGNO() macro to
3093 (unsigned) when comparing against one.
3094 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3096 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3097 variable where an unsigned index is needed.
3099 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3100 before comparing against one.
3102 * collect2.c: Add prototypes for functions `error', `fatal' and
3103 `fatal_perror'. Make these functions take variable arguments
3104 instead of faking it with a fixed number of args.
3105 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3108 * combine.c (can_combine_p): Mark parameter `pred' with
3110 (find_split_point): Cast variable `src' to (unsigned
3111 HOST_WIDE_INT) when comparing against one.
3112 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3113 (simplify_logical): Likewise.
3114 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3115 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3116 HOST_WIDE_INT) in shift.
3117 (simplify_and_const_int): Cast result of INTVAL() macro to
3118 `unsigned HOST_WIDE_INT' when comparing against one.
3119 (merge_outer_ops): Cast variable const0 to `unsigned
3120 HOST_WIDE_INT' when comparing against the result of
3121 GET_MODE_MASK() macro.
3122 (simplify_comparison): Likewise for variable `c0'. Cast variable
3123 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3124 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3125 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3126 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3127 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3128 comparing against one.
3129 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3131 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3132 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3133 (output_block_move): Cast `sizeof' expression to (int) when
3134 comparing against one.
3135 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3137 (save_restore_insns): Cast `base_offset' to `long' to match format
3138 specifier in fprintf.
3140 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3141 to `enum machine_mode'.
3143 * flow.c (life_analysis_1): Remove unused variable `insn'.
3145 * gcc.c (translate_options): Move variables `j' and `k' into the
3146 scope in which they are used. Change their types to `size_t'.
3147 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3148 (read_specs): Likewise.
3149 (process_command): Cast `sizeof' to (int) when comparing against one.
3150 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3151 (handle_braces): Cast both sides of `==' expression to `long' to
3152 ensure sign matching.
3153 (main): Cast variable `i' to `int' when comparing against one.
3155 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3156 int to size_t. Cast variable `i' to size_t when comparing against
3159 * genattrtab.c (convert_set_attr_alternative): Remove unused
3160 parameter `insn_code'. All callers changed.
3161 (convert_set_attr): Likewise.
3163 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3164 size_t when comparing against one. Likewise for variable `len'.
3166 * global.c (global_alloc): Cast variable `max_regno' to size_t
3167 when comparing against one. Likewise for variable `max_allocno'.
3169 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3171 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3172 `set' with ATTRIBUTE_UNUSED.
3173 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3176 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3177 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3178 (get_condition): Cast variable `const_val' to `unsigned
3179 HOST_WIDE_INT' when comparing against one. Cast unsigned
3180 expression to HOST_WIDE_INT when comparing against one.
3181 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3182 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3183 `unsigned' when comparing against one.
3185 * protoize.c (is_id_char): Change type of parameter `ch' to
3187 (munge_compile_params): Cast argument of ctype macro to (const
3189 (process_aux_info_file): Cast variable `aux_info_size' to int when
3190 comparing against one.
3191 (forward_to_next_token_char): Cast argument of ctype macro to
3192 `const unsigned char'.
3193 (edit_formals_lists): Likewise.
3194 (find_rightmost_formals_list): Likewise.
3195 (add_local_decl): Likewise.
3196 (add_global_decls): Likewise.
3197 (edit_fn_definition): Likewise.
3198 (do_cleaning): Likewise.
3199 (scan_for_missed_items): Likewise.
3200 (edit_file): Cast variable `orig_size' to (int) when comparing
3202 (main): Cast argument of ctype macro to `const unsigned char'.
3204 * recog.c (const_int_operand): Mark parameter `mode' with
3207 * regclass.c (record_reg_classes): Change type of variable `c' to
3208 `unsigned char'. Cast `char' array index to `unsigned char'.
3210 * reload.c (push_secondary_reload): Cast argument to
3211 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3213 * reload1.c (calculate_needs): Cast `char' array index to
3215 (set_label_offsets): Change type of variable `i' to unsigned int.
3216 Cast result of XVECLEN() macro to unsigned when comparing against
3218 (mark_not_eliminable): Change type of variable `i' to unsigned.
3219 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3220 when comparing against one.
3221 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3222 comparing against one.
3223 (choose_reload_regs): Hide unused label `fail'.
3224 (reload_cse_simplify_operands): Cast `char' array index to
3226 (reload_combine_note_store): Mark parameter `set' with
3227 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3229 (reload_cse_move2add): Remove unused variable `src2'.
3231 * sched.c: Include recog.h.
3232 (sched_note_set): Remove unused parameter `b'. All callers
3234 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3235 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3236 when comparing against one.
3238 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3239 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3240 comparing against one.
3242 * unroll.c (precondition_loop_p): Remove unused parameter
3243 `loop_end'. All callers changed.
3245 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3247 * reload1.c (maybe_fix_stack_asms): New static function.
3250 * reload.h (compute_use_by_pseudos): Declare.
3252 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
3253 (something_needs_reloads): Delete variable.
3254 (finish_spills): New function.
3255 (compute_use_by_pseudos): New function.
3257 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
3258 Use the reload_insn_chain instead of walking the rtl directly.
3260 (reload): Allocate and free spilled_pseudos.
3261 Ensure that all calls of spill_hard_reg are followed by a call to
3263 Use the insns_need_reload list instead of something_needs_reloads
3264 to find out if reload_as_needed must be called.
3265 Clear unused_insn_chains at the end.
3267 (calculate_needs_all_insns): Lose FIRST parameter. All callers
3269 Delete code to keep track of current basic block.
3270 Walk reload_insn_chain instead of the rtl structure. Build the
3271 insns_need_reload chain.
3272 Remember which insns need reloading/elimination by setting the
3273 appropriate fields in struct insn_chain, not by putting modes on the
3276 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
3277 arg INSN. All callers changed.
3278 Delete declaration of struct needs.
3279 Don't set something_needs_reloads.
3280 Record insn needs in the CHAIN argument.
3282 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
3284 (reload_as_needed): Lose FIRST arg. All callers changed.
3285 Walk the reload_insn_chain instead of the rtx structure.
3286 Delete code to keep track of current basic block.
3287 Rename one of the NEXT variables to OLD_NEXT.
3289 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
3291 (choose_reload_regs): Likewise.
3293 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
3296 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
3297 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
3298 (hard_regs_live, hard_regs_need_restore): Delete variables.
3299 (n_regs_saved): Now static.
3300 (referenced_regs, this_insn_sets): New variables.
3302 (setup_save_areas): Restructure the code a bit.
3304 (restore_referenced_regs): Delete function.
3305 (mark_referenced_regs): New function, similar to the old
3306 restore_referenced_regs, but mark registers in referenced_regs.
3308 (clear_reg_live): Delete function.
3309 (mark_set_regs): Renamed from set_reg_live. All callers changed.
3310 Only mark registers in this_insn_sets.
3312 (save_call_clobbered_regs): Rework this function to walk the
3313 reload_insn_chain instead of using the list of instructions directly.
3314 Delete code to keep track of register lives, compute live regs on the
3315 fly from information in the chain.
3316 Instead of calling restore_referenced_regs, use mark_referenced_regs,
3317 then walk the set it computes and call insert_restore as appropriate.
3319 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
3321 Restructure the code a bit. Test hard_regs_saved instead of
3322 hard_regs_need_restore.
3323 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
3324 args. All callers changed.
3325 Restructure the code a bit. Use TO_SAVE to determine which regs to
3326 save instead of more complicated test.
3327 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
3329 Create a new insn_chain structure for the new insn and place it
3332 * rtl.texi: Update documentation to reflect that reload no longer
3333 puts modes on the insns.
3335 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3337 * function.c (purge_addressof_1): Force the first argument of a
3338 CALL insn to memory.
3340 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
3342 * rtl.h: Delete duplicate prototypes. Add some missing
3344 * rtlanal.c: (for_each_rtx): Formatting tweak.
3346 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3348 * real.c (emdnorm and etoasc): Disable round to even for c4x target
3349 to be compatible with TI compiler.
3351 * Makefile.in (USER_H): Add va-c4x.h to definition.
3353 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
3355 * function.c (purge_addressof_1): Fix typo in inequality: do
3356 bitfield optimization for equal mode sizes.
3357 * expmed.c (store_bit_field): Don't take subregs of subregs in
3358 the movstrict case. Tidy a potential problem in the multi-word case.
3359 (extract_bit_field): Likewise.
3361 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3363 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
3365 Compute max_uid_for_flow by calling get_max_uid after the scan.
3366 (find_basic_blocks_1): Don't emit NOPs here.
3368 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
3370 * alias.c (base_alias_check): Accept new args for the modes of the
3371 two references. Use them to determine if an AND can overlap. Update
3373 (memrefs_conflict_p): Assume sizes are aligned, and uses them
3374 to determine if an AND can overlap.
3376 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
3378 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
3379 check. Add comment to document problems with TARGET_SUN_FPA version
3381 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
3383 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3385 * Makefile.in (gencheck.o): Depend on gansidecl.h.
3387 * c-common.c (print_char_table): Add missing initializers.
3388 (scan_char_table): Likewise.
3389 (time_char_table): Likewise.
3391 * c-decl.c (c_decode_option): Mark parameter `argc' with
3393 (declare_parm_level): Mark parameter `definition_flag' with
3396 * c-lex.c (readescape): Use `(unsigned)1' in shift.
3397 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
3400 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
3402 (emit_call_1): Mark parameters `fndecl' and `funtype' with
3404 (expand_call): Cast result of MIN() to (unsigned int) when
3405 comparing against an unsigned value.
3407 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
3409 (make_definition): Remove unused parameter `op'. All callers
3411 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
3412 comparing against the result of pointer arithmetic.
3414 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
3415 when comparing against one.
3417 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
3418 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
3420 (output_die): Move variable `i' into the scope in which it is
3421 used. Change its type to `unsigned'.
3422 (output_die): Cast the result of `strlen' to (int) when passing it
3423 to ASM_OUTPUT_ASCII().
3424 (output_pubnames): Likewise.
3425 (output_line_info): Likewise.
3427 * emit-rtl.c (global_rtl): Add missing initializers.
3429 * explow.c (promote_mode): Mark parameter `for_call' with
3432 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
3433 `unsigned HOST_WIDE_INT' when comparing against one.
3434 (synth_mult): Change type of variable `cost' to int.
3435 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
3437 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
3438 when comparing against one.
3439 (get_inner_reference): Change variable `alignment' to unsigned.
3440 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
3441 int) when comparing against one.
3442 (expand_builtin_setjmp): Change type of variable `i' to size_t.
3444 * fold-const.c (div_and_round_double): Cast BASE to
3445 (HOST_WIDE_INT) when comparing against one.
3447 * gencheck.c: Include gansidecl.h.
3448 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
3450 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
3451 `tcode' with ATTRIBUTE_UNUSED.
3453 * real.c (edivm): Cast constant value to (unsigned long) in
3454 expression compared against an unsigned value.
3456 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
3457 comparing against one.
3458 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
3459 when comparing against one.
3461 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
3462 (unsigned int) when comparing against one. Likewise for
3464 (smallest_mode_for_size): Likewise.
3465 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
3466 (restore_storage_status): Likewise.
3468 * toplev.c (debug_args): Add missing initializer.
3469 (f_options): Spelling correction. Add missing initializers.
3470 (documented_lang_options): Likewise.
3471 (debug_end_source_file): Mark parameter `lineno' with
3474 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
3475 `decl' and `type' with ATTRIBUTE_UNUSED.
3477 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
3478 when comparing against one.
3479 (assemble_variable): Mark parameter `top_level' with
3481 (assemble_external_libcall): Mark parameter `fun' with
3483 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
3486 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
3488 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
3489 Replace use of r5 with use of r19.
3491 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
3493 * config/v850/v850.c (compute_register_save_size): Allow for the
3494 fact that helper functions save all registers, not just those used
3497 Replace constant 31 with macro LINK_POINTER_REGNUM.
3499 * config/v850/v850.md: Use 'indirect_operand' rather than
3500 'memory_operand' for bit test/set/clear patterns.
3502 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
3504 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
3505 * varasm.c (assemble_start_function et al): Don't call
3506 ASM_GLOBALIZE_LABEL for weak symbols.
3508 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
3510 * cse.c (equiv_constant): Check for NULL return from
3511 gen_lowpart_if_possible().
3513 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
3515 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
3517 * collect2.c (main): Pass -EL/-EB through to the compiler.
3519 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3521 * expr.c (push_block): Handle targets where the stack grows
3522 to higher addresses, but args grow to lower addresses and
3523 ACCUMULATE_OUTGOING_ARGS is not defined.
3525 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
3527 * config/v850/v850.c (print_operand): Extend meaning
3528 of 'c' operands to support .vtinherit.
3530 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3532 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
3533 Added ATTRIBUTE_UNUSED to unused function arguments.
3534 (rc_reg_operand): New predicate.
3535 (c4x_rptb_insert): New function.
3536 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
3537 (c4x_optimization_options): New function.
3539 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
3540 (decrement_and_branch_on_count): New pattern.
3541 (rptb_top): Modified pattern to work with BCT optimization.
3543 * config/c4x/c4x.h (RC_REG): New register class.
3544 (rc_reg_operand): Define prototype.
3545 (IS_RC_REG): New macro.
3546 (IS_RC_OR_PSEUDO_REG): New macro.
3547 (IS_RC_OR_PSEUDO_REGNO): New macro.
3548 (OPTIMIZATION_OPTIONS): Define.
3550 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
3552 * collect2.c (extract_init_priority): No priority is 65535.
3554 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3556 * Makefile.in (build_tooldir): new variable, same as old
3557 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
3558 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
3559 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
3561 * configure.in (gxx_include_dir): set default based on unlibsubdir
3562 * Makefile.in (tooldir): ditto
3563 (cccp.o, cpplib.o): use unlibsubdir implicitly through
3564 gxx_include_dir, includedir and tooldir
3565 (protoize.o, unprotoize.o): ditto
3567 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
3569 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
3571 * config/arm/thumb.c (thumb_override_options): Add warning about
3572 PIC code not being supported just yet.
3574 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
3576 * flow.c: Update comment.
3577 (notice_stack_pointer_modification): New static function.
3578 (record_volatile_insns): Use it.
3579 (mark_regs_live_at_end): Mark the stack pointer as alive
3580 at the end of the function if current_function_sp_is_unchanging
3582 (life_analysis_1): Set current_function_sp_is_unchanging.
3583 * function.c: Define it.
3584 (init_function_start): Initialize it.
3585 * output.h: Declare it.
3586 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
3587 the stack pointer as alive at the end of the function if
3588 current_function_sp_is_unchanging is set.
3589 * i386.c (ix86_epilogue): Optimize the restoring
3590 of the stack pointer.
3592 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
3594 * version.c: Bump for snapshot.
3596 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
3598 * c-pragma.c (handle_pragma_token): If passed a token instead
3599 of a tree, use that as the pack value.
3601 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
3603 * flow.c (find_basic_blocks_1): Fix prototype.
3605 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
3607 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
3608 (struct tree_decl): New fields no_check_memory_usage.
3609 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
3610 (init_attributes): Register it as a new attribute.
3611 (decl_attributes): Set flags on functions given that attribute.
3612 * c-decl.c (duplicate_decls): Merge new attribute.
3613 * expr.h (current_function_check_memory_usage): Declare new var.
3614 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
3615 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
3616 current_function_check_memory_usage.
3617 * function.h: Add field to struct function.
3618 * function.c (current_function_check_memory_usage): Define it.
3619 (push_function_context_to, pop_function_context_from): Save and
3621 (expand_function_start): Set it, based on global flag and function
3624 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
3625 check non-automatic variables, to permit detection of writes to
3626 read-only locations in embedded systems without memory management.
3627 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
3628 when emitting chkr_set_right_libfunc call, even if the argument is
3629 BLKmode or variable-sized; don't abort.
3631 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
3632 symbols in Pmode, not VOIDmode.
3634 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3636 * cppexp.c: When forcing unsigned comparisons, cast both sides
3639 * cpphash.h: Move static declaration of hashtab[]...
3640 * cpphash.c: ...here.
3642 * cpplib.c: Cast difference of two pointers to size_t before
3643 comparing it to size_t. Cast signed to unsigned
3644 before comparing to size_t. (FIXME: struct argdata should use
3645 unsigned buffer sizes.)
3646 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
3647 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
3648 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
3649 size_t before comparison.
3651 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
3653 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
3654 (find_basic_blocks_1): Similarly.
3655 * output.h (find_basic_blocks): Fix prototype.
3656 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
3657 find_basic_blocks anymore.
3659 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
3661 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
3662 (sbitmap_free, sbitmap_vector_free): New macros.
3663 * output.h (rtl_dump_file): Declare.
3665 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
3667 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
3669 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3671 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
3673 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
3674 (divide): Remove unused variable `tmp'.
3675 (si_to_float): Cast numeric constant to (SItype) before comparing
3678 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
3680 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
3681 * gcc.c (add_preprocessor_option): Correct typo when allocating
3682 memory, sizeof() argument had one too many `*'.
3683 (add_assembler_option): Likewise.
3684 (add_linker_option): Likewise.
3685 * gcov.c (output_data): Likewise.
3686 * local-alloc.c (memref_used_between_p): Likewise.
3687 (update_equiv_regs): Likewise.
3688 * loop.c (strength_reduce): Likewise.
3689 * reg-stack.c (record_asm_reg_life): Likewise.
3690 (subst_asm_stack_reg): Likewise.
3691 * reorg.c (dbr_schedule): Likewise.
3693 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3695 * flow.c (life_analysis_1): Break out some functions.
3696 (find_basic_blocks_1): Likewise. Also move some variables out and
3698 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
3699 new static var nonlocal_label_list with it.
3700 (active_eh_region, nested_eh_region, label_value_list,
3701 nonlocal_label_list): New static variables.
3702 (make_edges, delete_unreachable_blocks, delete_block): New static
3703 functions, broken out of find_basic_blocks_1.
3704 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
3705 noop_move_p): New static functions, broken out of life_analysis_1.
3707 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
3709 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
3710 Take extra care for op0 now possibly being a subreg.
3711 (extract_bit_field): Likewise.
3712 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
3713 the reg to memory if there is no equal sized integral mode.
3714 * stor-layout.c (int_mode_for_mode): New function.
3715 * machmode.h: Prototype it.
3717 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
3719 * global.c (build_insn_chain): Verify no real insns exist past the
3720 end of the last basic block, then exit the loop.
3722 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
3724 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
3726 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
3728 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
3730 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
3732 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
3734 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
3736 * flow.c (find_basic_blocks): Correctly determine when a call
3737 is within an exception region.
3739 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
3741 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
3743 * cpplib.h: Protect from multiple inclusions.
3744 * cpplib.c: Fix minor formatting problems.
3746 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
3748 * jump.c (jump_optimize): Revert accidental patch.
3750 * Makefile.in (cpplib.o): Use unlibsubdir.
3752 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
3754 * loop.c (get_condition): Allow combine when either compare is
3757 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
3759 * version.c: Bump for snapshot.
3761 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
3763 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
3764 (init_lex): Initialize ridpointers[RID_BYREF].
3765 * c-lex.h (enum rid): Add RID_BYREF.
3766 * c-parse.gperf: Add RID_BYREF as a type qualifier.
3767 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
3768 (encode_type_qualifiers): Similarly
3769 * c-gperf.h: Rebuilt.
3771 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
3773 * c-common.c (type_for_mode): Only return TItype nodes when
3774 HOST_BITS_PER_WIDE_INT is >= 64 bits.
3775 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
3776 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
3777 (init_decl_processing): Only create TItype nodes when
3778 HOST_BITS_PER_WIDE_INT is >= 64 bits.
3779 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
3780 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
3782 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3784 * stmt.c (n_occurrences): New static function.
3785 (expand_asm_operands): Verify that all constrains match in the
3786 number of alternatives.
3787 Verify that '+' or '=' are at the beginning of an output constraint.
3788 Don't allow '&' for input operands.
3789 Verify that '%' isn't written for the last operand.
3790 * reload.c (find_reloads): Abort if an asm is found with invalid
3791 constraints; all possible problems ought to be checked for earlier.
3793 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3795 * flags.h (flag_branch_on_count_reg): Always declare
3796 * toplev.c (flag_branch_on_count_reg): Likewise.
3797 * toplev.c: Fix typos.
3799 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
3802 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
3804 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
3806 (find_basic_blocks_1): Add a nop to the end of a basic block when
3807 a trailing call insn does not have abnormal control flow.
3808 * gcse.c (pre_transpout): New variable.
3809 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
3810 (compute_pre_transpout): Calculate it.
3811 (compute_pre_ppinout): Use it to eliminate impossible placements
3812 due to abnormal control flow through calls.
3813 (compute_pre_data): Call compute_pre_transpout.
3815 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3817 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
3819 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
3821 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
3822 and matching define_insns): Tack on a `use' of the table label, so
3823 flow analysis will recognize a tablejump.
3825 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
3827 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
3828 always end basic blocks for abnormal edge reasons.
3830 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
3832 * config/i386/i386.h: Remove definition of
3833 HANDLE_PRAGMA_PACK_PUSH_POP.
3835 * config/i386/go32.h: Add definition of
3836 HANDLE_PRAGMA_PACK_PUSH_POP.
3838 * config/i386/win32.h: Add definition of
3839 HANDLE_PRAGMA_PACK_PUSH_POP.
3841 * config/i386/cygwin32.h: Add definition of
3842 HANDLE_PRAGMA_PACK_PUSH_POP.
3844 * c-pragma.c (insert_pack_attributes): Do not insert
3845 attributes unless #pragma pack(push,<n>) is in effect.
3847 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
3849 * expr.c (emit_group_store): Handle a PARALLEL destination.
3851 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
3853 * gcse.c (pre_insert_insn): When a call ends a bb, insert
3854 the new insns before the argument regs are loaded.
3856 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3858 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
3859 (c-parse.gperf): Update comments describing invocation flags.
3860 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
3862 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
3864 * reload1.c (reload): Call free before clobbering the memory
3865 locations or constants pointers.
3867 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3869 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
3870 for efficiency by checking whether we need to modify the current
3871 stack permission at all.
3872 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
3873 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
3874 __enable_execute_stack libcall here too if
3875 TRANSFER_FROM_TRAMPOLINE is defined.
3876 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
3879 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
3881 * Makefile.in (DRIVER_DEFINES): Remove last change.
3883 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3885 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
3886 insns we're going to copy.
3887 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
3889 * loop.c (count_one_set): Add prototype.
3891 * caller-save.c (restore_referenced_regs): Lose mode argument.
3892 (insert_save): Lose mode argument.
3893 (insert_restore): Lose mode argument.
3894 (insert_one_insn): Lose mode argument.
3895 (save_call_clobbered_regs): Lose mode argument.
3896 (setup_save_areas): Take no argument and return void. All callers
3898 Don't verify validity of memory addresses.
3899 * reload.h (setup_save_ares): Adjust prototype.
3900 (save_call_clobbered_regs): Likewise.
3901 * reload1.c (delete_caller_save_insns): New function.
3902 (caller_save_spill_class): Delete variable.
3903 (caller_save_group_size): Delete variable.
3904 (reload): Call setup_save_areas and save_call_clobbered_regs
3905 in the main loop, before calling calculate_needs_all_insns.
3906 Don't call save_call_clobbered_regs after the loop.
3907 Call delete_caller_save_insns at the end of an iteration if
3909 Delete code to manage caller_save_spill_class.
3910 Emit the final note before setting reload_first_uid.
3911 Simplify test that determines whether reload_as_needed gets run.
3912 (calculate_needs): Delete code to manage caller_save_spill_class.
3914 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
3916 * collect2.c (main): Initialize ld_file_name.
3918 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
3920 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
3921 check for flag_function_sections.
3923 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3925 * cse.c (insert_regs): Fix bug in Sep 24 change.
3927 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3929 * flags.h (flag_dump_unnumbered): Declare.
3930 * toplev.c (flag_dump_unnumbered): Don't declare.
3931 * print-rtl.c (flags.h): Include.
3932 (print_rtl_single): Add return value.
3933 * rtl.h (print_rtl_single): Update declaration.
3934 * flow.c (flag_dump_unnumbered): Don't declare.
3935 (print_rtl_with_bb): Use return value of print_rtl_single.
3937 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3939 * loop.c (count_one_set): New static function, broken out of
3941 (count_loop_regs_set): Call it.
3942 * global.c (mark_reg_store): Handle clobbers here by not calling
3944 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
3945 is in fact a clobber.
3946 * integrate.c (process_reg_param): New function, broken out of
3947 expand_inline_function.
3948 (expand_inline_function): Call it.
3951 * i386.md (addsidi3_1): Delete unused variable temp.
3952 (addsidi3_2): Likewise.
3953 (clstrstrsi): Delete unused variable addr1.
3955 * rtl.h: Don't declare any functions also declared in recog.h.
3957 * Makefile.in (stupid.o): Update dependencies.
3958 (global.o): Likewise.
3960 * global.c: Include reload.h
3961 (reg_becomes_live): New function.
3962 (reg_dies): New function.
3963 (build_insn_chain): New function.
3964 (global_alloc): Call build_insn_chain before calling reload.
3966 * reload.h (struct needs): New structure definition.
3967 (struct insn_chain): Likewise.
3968 (reload_insn_chain): Declare variable.
3969 (new_insn_chain): Declare function.
3972 * reload1.c (reload_startobj): New variable.
3973 (reload_insn_chain): New variable.
3974 (unused_insn_chains): New variable.
3975 (new_insn_chain): New function.
3976 (init_reload): Initialize reload_startobj, not reload_firstobj.
3977 (reload): Initialize reload_firstobj.
3978 Before returning, free everything on the reload_obstack.
3980 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
3981 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
3982 current_chain): New variables.
3983 (reg_where_born): Delete variable.
3984 (REG_WHERE_BORN): New macro.
3985 (find_clobbered_regs): New function.
3986 (stupid_life_analysis): Don't allocate/free reg_where_born.
3987 Allocate and free reg_where_born_exact, reg_where_born_clobber,
3988 reg_where_dead_chain.
3989 Use REG_WHERE_BORN instead of reg_where_born.
3990 While processing the insns, build the reload_insn_chain with
3991 information about register lifetimes.
3992 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
3993 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
3995 Compute and information about birth and death of pseudo registers in
3996 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
3997 Delete code to set elements of reg_where_born.
3999 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4001 * tree.def (GOTO_EXPR): Modified documentation.
4002 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4005 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4007 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4008 loop_final_value, loop_comparison_code): No longer static.
4009 (unroll_loop): Delete loop_start_value update.
4010 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4011 loop_final_value, loop_comparison_code): Extern.
4012 (loop_start_value): Delete extern.
4013 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4014 loop_comparison_value, loop_comparison_code): Delete.
4015 (loop_optimize): Remove initialization for deleted variables.
4016 (strength_reduce): Delete analyze_loop_iterations call. Only call
4017 insert_bct if flag_branch_count_on_reg set.
4018 (analyze_loop_iterations): Delete.
4019 (insert_bct): Remove iteration count calculation. Move checks for
4020 viable BCT optimization to here. Obtain iteration count from
4021 loop_iterations and correct for unrolling. Check for enough
4022 iteration to be beneficial. Comment out runtime iteration count
4024 (insert_bct): Print iteration count in dump file. Remove
4025 loop_var_mode and use word_mode directly.
4027 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4028 * rs6000.c (rs6000_override_options): Use it.
4029 (optimization_options): Enable use of flag_branch_on_count_reg.
4030 * rs6000.md (define_function_unit): Describe 604e.
4032 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4034 * loop.c (move_movables): Corrected threshold calculation for
4035 moved_once registers.
4037 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4039 * loop.c (combine_givs_p): Fix test for identical givs.
4041 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4043 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4044 call abort if the function is already defined.
4046 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4048 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4049 truncation is not a no-op.
4051 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4053 * version.c: Bump for snapshot.
4055 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4057 * version.c: Bump for snapshot.
4059 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4061 * expmed.c (expand_divmod): Don't widen for computing remainder
4062 if we seem to have a divmod pattern for needed mode.
4064 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4066 * cpplib.c (macroexpand): Correct off-by-one error in handling
4069 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4071 * combine.c (expand_field_assignment): Don't do bitwise operations
4072 on MODE_FLOAT; pun to MODE_INT if possible.
4074 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4075 scott snyder <snyder@d0sgif.fnal.gov>
4077 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4078 linker. Recognize mangled names in quotes.
4080 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4082 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4083 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4084 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4085 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4087 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4089 * function.c (purge_addressof_1): If trying to take a sub-word
4090 integral piece of a floating point mode, put it on the stack.
4092 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4094 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4096 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4098 * PROJECTS: Remove template friends.
4100 * collect2.c (sort_ids): Remove unused variable.
4102 * tm.texi (MATH_LIBRARY): Document.
4103 (NEED_MATH_LIBRARY): Remove.
4105 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4106 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4108 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4110 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4111 last_end to 0x7fffffff.
4113 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4115 * function.c (purge_addressof_1): Do not perform endianness
4116 corrections on bitpos, who we call will do it for us.
4118 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4120 * h8300.c (WORD_REG_USED): Fix typo.
4121 (initial_offset): Use WORD_REG_USED.
4123 * h8300.c (handle_pragma): Fix typo.
4125 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4127 * caller-save.c (insert_save_restore): Break this function up
4128 into new functions insert_restore, insert_save and insert_one_insn.
4129 All callers changed.
4130 (insert_restore): New function, mostly broken out of
4131 insert_save_restore.
4132 (insert_save): Likewise.
4133 (insert_one_insn): Likewise.
4134 (restore_referenced_regs): New argument BLOCK. All callers changed.
4135 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4136 in this function, do it in insert_one_insn instead.
4138 * reload1.c (reload): Break out some more pieces into separate
4140 (dump_needs): New function, broken out of reload.
4141 (set_initial_elim_offsets): Likewise.
4142 (init_elim_table): Likewise.
4143 (update_eliminables): Likewise.
4145 * global.c (global_alloc): Delete code to manage the scratch_list.
4146 * local-alloc.c (qty_scratch_rtx): Delete.
4147 (scratch_block): Delete.
4148 (scratch_list): Delete.
4149 (scratch_list_length): Delete.
4150 (scratch_index): Delete.
4151 (alloc_qty_for_scratch): Delete.
4152 (local-alloc): Update initialization of max_qty.
4153 Delete code to manage the scratch list.
4154 Delete code to allocate/initialize qty_scratch_rtx.
4155 (block_alloc): Don't allocate quantities for scratches.
4156 Delete code to manage the scratch list.
4157 * regs.h (scratch_list): Delete declaration.
4158 (scratch_block): Delete declaration.
4159 (scratch_list_length): Delete declaration.
4160 * reload1.c (reload): Delete code to manage the scratch list.
4161 (spill_hard_reg): Likewise.
4162 (mark_scratch_live): Delete.
4164 * recog.c (alter_subreg): Delete declaration.
4166 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4168 * Makefile.in (cccp.o): Fix typo in last patch.
4170 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4172 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4173 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4175 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4177 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4178 NULL_RTX as an argument.
4180 * Makefile.in (unlibsubdir): Define.
4181 (DRIVER_DEFINES): Use unlibsubdir.
4182 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4183 (stmp-fixinc): Similarly.
4185 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4187 * regmove.c (regmove_optimize): Add variable old_max_uid.
4188 At the end of the function, update basic_block_end.
4190 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4192 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4193 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4196 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4198 * config/arm/arm.c: Improve interworking support.
4200 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4202 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4203 copied from reload_out[r] .
4205 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4207 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4208 with more than three size ranges.
4210 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4212 * rtl.c (mode_name): Add a null string at the end of the array.
4213 (mode_wider_mode): Change type to unsigned char.
4214 (mode_mask_array): New variable.
4215 (init_rtl): Update for mode_wider_mode type change.
4217 * rtl.h (mode_wider_mode): Change type to unsigned char.
4218 (mode_mask_array): Declare.
4219 (GET_MODE_MASK): Use mode_mask_array.
4221 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4223 * calls.c (expand_call) : Encapsulate code into
4224 copy_blkmode_from_reg.
4225 * expr.c (copy_blkmode_from_reg): New function.
4226 * expr.h (copy_blkmode_from_reg): New function.
4227 * integrate.c (function_cannot_inline_p): We can inline
4229 (expand_inline_function): Use copy_blkmode_from_reg
4230 if needed. Avoid creating BLKmode REGs.
4231 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4234 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4236 * config/v850/v850.c: Add function prototypes.
4237 Add support for v850 special data areas.
4239 * config/v850/v850.h: Add support for v850 special data areas.
4241 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4242 HANDLE_PRAGMA_PACK_PUSH_POP.
4243 (push_alignment): New function: Cache an alignment requested
4244 by a #pragma pack(push,<n>).
4245 (pop_alignment): New function: Pop an alignment from the
4247 (insert_pack_attributes): New function: Generate __packed__
4248 and __aligned__ attributes for new decls whilst a #pragma pack
4250 (add_weak): New function: Cache a #pragma weak directive.
4251 (handle_pragma_token): Document calling conventions. Add
4252 support for #pragma pack(push,<n>) and #pragma pack (pop).
4254 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
4255 are defined enable HANDLE_PRAGMA_PACK.
4256 Move 'struct weak_syms' here (from varasm.c).
4257 Add pragma states for push and pop pragmas.
4259 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
4262 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
4263 HANDLE_GENERIC_PRAGMAS.
4265 * varasm.c: Move definition of 'struct weak_syms' into
4267 (handle_pragma_weak): Deleted.
4269 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4271 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4273 * c-decl.c (start_function): Add invocation of
4274 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
4276 * tm.texi: Remove description of non-existant macro
4277 SET_DEFAULT_SECTION_NAME.
4279 (HANDLE_SYSV_PRAGMA): Document.
4280 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
4282 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
4284 * config.sub: Recognize i[34567]86-pc-udk as new target.
4285 * configure.in: Likewise.
4286 * config/i386/t-udk: New file.
4287 * config/i386/udk.h: New file.
4289 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
4291 * reorg.c (check_annul_list_true_false): Remove unused variables.
4292 (steal_delay_list_from_target): Add missing "used_annul" variable.
4293 (try_merge_delay_insns): Close out half formed comment.
4295 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4297 * cpplib.c (macroexpand): If arg->raw_before or
4298 arg->raw_after, remove any no-reexpansion escape at the
4299 beginning of the pasted token. Correct handling of whitespace
4300 markers and no-reexpand markers at the end if arg->raw_after.
4302 * toplev.c (documented_lang_options): Recognize -include,
4303 -imacros, -iwithprefix, -iwithprefixbefore.
4304 * cpplib.c (cpp_start_read): Process -imacros and -include
4305 switches at the same time and in command-line order, after
4306 initializing the dependency-output code. Emit properly nested
4307 #line directives for them. Emit a #line for the main file
4308 before processing these switches, and don't do it again
4311 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
4313 * function.c (purge_addressof_1): Use bitfield manipulation
4314 routines to handle mem mode < reg mode.
4316 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4318 * reorg.c (try_merge_delay_insns): Account for resources referenced
4319 in each instruction in INSN's delay list before trying to eliminate
4320 useless instructions. Similarly when looking at a trial insn's delay
4323 * reorg.c (check_annul_list_true_false): New function.
4324 (steal_delay_list_from_{target,fallthrough}): Call it and also
4325 refine tests for when we may annul if already filled a slot.
4326 (fill_slots_from_thread): Likewise.
4327 (delete_from_delay_slot): Return newly-created thread.
4328 (try_merge_delay_isns): Use its new return value.
4330 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
4332 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
4333 used to compute a giv or as some other non-counting use.
4335 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4337 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4338 * local-alloc.c (find_free_reg): Use it.
4339 * global.c (find_reg): Likewise.
4340 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
4342 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
4343 * caller-save.c (init_caller_save): Use it.
4344 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
4346 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4348 * configure.in: Add --enable-cpplib option which uses cpplib
4349 for cpp, but doesn't link cpplib into cc1. Make help text
4350 capitalization consistent.
4351 * configure: Rebuilt.
4353 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
4355 * function.c (gen_mem_addressof): If the address REG is
4356 REG_USERVAR_P make the new REG be so also.
4357 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
4358 in an attempt to clarify slightly.
4360 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
4362 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
4363 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
4365 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
4367 * toplev.c: Fix last patch.
4369 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
4371 * loop.c (get_condition): Fix typo in May 9 change.
4373 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4375 * invoke.texi (-fexceptions): Merge 2 different descriptions.
4377 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4379 * toplev.c (documented_lang_options): Spelling corrections.
4381 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4383 * configure.in: new flags --with-ld and --with-as, equivalent
4384 to setting LD and AS environment variables. Test whether
4385 specified arguments are GNU commands, and report them with
4386 checking messages. Use the specified AS for configure
4389 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
4391 * gcc.c (find_a_file): when looking for `as' and `ld', return
4392 the DEFAULT program if it exists
4393 * collect2.c (main): use DEFAULT_LINKER if it exists
4395 * gcc.c (find_a_file): the test for existence of a full
4396 pathname was reversed
4398 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
4400 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
4401 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
4403 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
4405 * tree.h (TYPE_BINFO): Document.
4407 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
4409 * i386-coff.h (dbxcoff.h): Added.
4411 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
4413 * toplev.c: fix bad patch around flag_data_sections.
4415 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
4417 * reload1.c (reload): Use reload_address_index_reg_class and
4418 reload_address_base_reg_class when setting
4419 caller_save_spill_class. (Patch generated by Jim Wilson:
4422 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
4424 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
4425 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
4426 * expr.c (store_field): Add alias_set parameter. Set the
4427 MEM_ALIAS_SET accordingly, if the target is a MEM.
4428 (expand_assignment): Use it.
4429 (store_constructor_field): Pass 0.
4430 (expand_expr): Likewise.
4432 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
4434 * flags.h: Add flag_data_sections.
4435 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
4436 (compile_file): Error if flag_data_sections not supported.
4437 * varasm.c (assemble_variable): Handle flag_data_sections.
4438 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
4439 * config/mips/elf.h: Likewise.
4440 * config/mips/elf64.h: Likewise.
4441 * invoke.texi: Describe -fdata-sections.
4443 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
4445 * invoke.texi (-ffloat-store): Clarify that this option
4446 does not affect intermediate results -- only variables.
4448 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
4450 * cpp.texi: Update for Fortran usage from Craig.
4452 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4454 * rs6000.c (function_arg_boundary): Revert accidental change on
4457 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
4459 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
4460 (output_mi_thunk): Declare.
4462 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
4463 (output_function_profiler): Use r12 for temp, instead of r11 so
4464 that we preserve the static chain register.
4466 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
4468 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
4470 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4472 * sh.c (gen_shl_sext): Fix case 5.
4474 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4476 * reload1.c (reload_combine): Re-add line that got accidentally lost.
4478 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4480 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
4481 accessing variables until they are initialized via va_arg().
4483 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4485 * reload1.c (reload_combine): Initialize set before using.
4487 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
4489 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
4492 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
4494 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
4495 operand3 with mask before using it. Patch provided by Jim Wilson.
4497 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4499 * config/sparc/sparc.c (function_value): Perform the equivalent of
4500 PROMOTE_MODE for ARCH64.
4501 (eligible_for_epilogue_delay): Allow DImode operations in delay
4502 slot of a return for ARCH64.
4504 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4506 * sh.md (sqrtsf2): Fix mode of sqrt.
4508 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4510 * reload1.c (choose_reload_regs): Also try inheritance when
4511 reload_in is a stack slot of a pseudo, even if we already got a
4514 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4516 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
4517 (reload_cse_regs): New function body: call reload_cse_regs_1,
4518 reload_combine, reload_cse_move2add.
4519 When doing expensive_optimizations, call reload_cse_regs_1 a
4520 second time after reload_cse_move2add.
4521 (reload_combine, reload_combine_note_store): New functions.
4522 (reload_combine_note_use): New function.
4523 (reload_cse_move2add, move2add_note_store): New functions.
4525 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4527 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
4528 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
4530 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
4531 more than 3 such reloads.
4533 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
4534 RELOAD_FOR_X_ADDR_ADDR reload.
4536 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4538 * expr.c (store_constructor): When initializing a field that is smaller
4539 than a word, at the start of a word, try to widen it to a full word.
4541 * cse.c (cse_insn): When we are about to change a register,
4542 remove any invalid references to it.
4544 (remove_invalid_subreg_refs): New function.
4545 (mention_regs): Special treatment for SUBREGs.
4546 (insert_regs): Don't strip SUBREG for call to mention_regs.
4547 Check if reg_tick needs to be bumped up before that call.
4548 (lookup_as_function): Try to match known word_mode constants when
4549 looking for a norrower constant.
4550 (canon_hash): Special treatment for SUBREGs.
4552 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4554 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
4555 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
4556 defined, emit libcall to __enable_execute_stack. Also fix opcodes
4557 and offsets in actual stack trampoline code so they match the
4558 commentary and actually work.
4560 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4562 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
4564 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
4565 tmake_file. Set extra_parts to needed crt objects.
4566 * configure: Rebuilt.
4567 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
4568 (TARGET_DEFAULT): Set if default is v9 or ultra.
4569 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
4570 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
4571 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
4572 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
4573 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
4574 (TARGET_VERSION): Define.
4575 (MULTILIB_DEFAULT): Define.
4576 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
4577 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
4578 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
4580 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
4581 * config/sparc/sparc.c (sparc_override_options): If arch and
4582 pointer size disagree, emit diagnostic and fix it up. If
4583 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
4584 V8PLUS in 64-bit mode.
4585 * config/sparc/t-linux64: New file.
4586 * config/sparc/t-sol2-64: New file.
4587 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
4588 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
4589 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
4590 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
4591 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
4592 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
4594 (STARTFILE_SPEC): Set approriately based upon those.
4595 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
4596 disposition of DEFAULT_ARCH32_P.
4597 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
4598 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
4599 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
4600 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
4601 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
4603 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
4605 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
4607 * rtl.h (init_virtual_regs): New function.
4608 * emit-rtl.c (init_virtual_regs): Define.
4609 (insn_emit): Use it.
4610 * integrate.c (save_for_inline_copying): Likewise.
4612 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
4614 * config/arm/thumb.h: The following patches were made by Jim Wilson:
4615 (enum reg_class): Add NONARG_LO_REGS support.
4616 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4617 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
4618 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
4619 completes. Re-enable HImode REG+OFFSET addresses.
4620 (LEGITIMIZE_RELOAD_ADDRESS): Define.
4622 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
4624 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
4626 * alpha.c (get_aligned_mem): Revert Sep 20 change.
4627 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
4628 (alpha_align_insns): Properly calculate initial offset wrt max_align.
4630 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
4632 * arm.c (find_barrier): Revert change of Apr 23. Handle table
4633 jumps as a single entity, taking into account the size of the
4636 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4638 * tree.def (SWITCH_EXPR): New tree node definition.
4640 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
4642 * version.c: Bump for snapshot.
4644 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
4646 * version.c: Bump for snapshot.
4648 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
4650 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
4653 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
4655 * Revert this patch.
4656 * reload.c (find_reloads): Do not replace a pseudo with
4657 (MEM (reg_equiv_addr)) in the initializing insn for the
4660 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
4662 * final.c (final_scan_insn): Disable tracking CC across branches.
4664 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4666 * expr.h (eh_rtime_match_libfunc): New extern declaration.
4667 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
4668 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
4669 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
4670 NULL. Only include <stdio.h> if inhibit_libc is not defined.
4672 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
4674 * toplev.c (rest_of_compilation): Skip compiling anything with
4675 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
4677 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
4679 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
4680 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
4681 use in_libcall_block.
4682 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
4683 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
4686 Mon Sep 21 14:02:23 1998
4688 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
4689 typo in no-fancy-math-387 description.
4691 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
4693 * version.c: Bump for snapshot.
4695 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
4697 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
4699 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
4701 * i386.h: (TARGET_SWITCHES) Add description fields for flags
4702 documented in install.texi.
4703 (TARGET_OPTIONS) Likewise.
4705 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
4707 * version.c: Bump for snapshot.
4709 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
4711 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
4712 * cccp.c (main): Likewise.
4714 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
4715 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
4718 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
4720 * Makefile.in (LIBS): Link in libiberty.a.
4721 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
4723 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
4725 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
4726 it to update bb boundaries. Update caller.
4727 * function.c (reposition_prologue_and_epilogue_notes): Update
4728 bb boundaries wrt the moved note.
4730 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
4732 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
4734 * configure: Regenerate.
4736 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
4738 * alpha.c (alpha_sr_alias_set): New variable.
4739 (override_options): Set it.
4740 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
4741 (mode_mask_operand): Fix signed-unsigned comparision warning.
4742 (alpha_expand_block_move): Likewise.
4743 (print_operand): Likewise.
4744 (get_aligned_mem): Use change_address.
4745 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
4746 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
4747 (alphaev4_next_nop, alphaev5_next_nop): New functions.
4748 (alpha_align_insns): Remade from old alphaev5_align_insns
4749 to handle multiple processors.
4750 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
4751 * output.h (label_to_alignment): Prototype.
4753 * tree.c (new_alias_set): New function.
4754 * tree.h (new_alias_set): Declare it.
4755 * c-common.c (c_get_alias_set): Use it.
4757 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
4759 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
4760 to an ABS expr, convert an unsigned input to signed.
4762 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
4764 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
4766 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4768 * configure.in: Add support for c4x targets.
4769 * configure: Rebuilt.
4771 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
4773 * combine.c (distribute_notes): If an insn is a cc0 user, only
4774 delete it if we can also delete the cc0 setter.
4776 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
4778 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
4779 (invert_truthvalue): Enable truthvalue inversion for
4780 floating-point operands if -ffast-math.
4782 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
4784 * configure.in: Disable collect2 for nextstep. Instead use
4786 * configure: Rebuilt.
4787 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
4788 (ENDFILE_SPEC): Define.
4789 (OBJECT_FORMAT_MACHO): Define.
4790 (EH_FRAME_SECTION_ASM_OP): Define.
4791 * crtstuff.c: Handle MACHO.
4793 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
4795 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
4797 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
4799 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
4800 (_fpadd_parts): Get sign right for 0.
4802 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4804 * ginclude/varargs.h: Add support for C4x target.
4805 * ginclude/stdargs.h: Likewise.
4807 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
4809 * alpha.c (alpha_return_addr): SET should be VOIDmode.
4810 (alpha_emit_set_long_const): Rewrite to be callable from reload
4812 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
4813 * alpha.md (movdi): Likewise.
4815 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
4817 * arm.c (add_constant): New parameter address_only, change caller.
4818 Set it non-zero if taking the address of an item in the pool.
4819 (arm_reorg): Handle cases where we need the address of an item in
4822 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
4824 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
4825 memory addresses that are not in standard canonical form.
4827 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
4829 * README.C4X: New file with information about the c4x ports.
4830 * ginclude/va-c4x.h: New file for c4x varargs support.
4831 * config/c4x: New directory with c4x port files.
4833 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
4835 * reload.c (find_reloads): Do not replace a pseudo with
4836 (MEM (reg_equiv_addr)) in the initializing insn for the
4839 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
4841 * toplev.c (rest_of_compilation): Set bct_p on second call to
4843 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
4845 (strength_reduce): Only call analyze_loop_iterations and
4846 insert_bct if bct_p set.
4847 (check_dbra_loop): Fix typo.
4848 (insert_bct): Use word_mode instead of SImode.
4849 (instrument_loop_bct): Likewise. Do not delete iteration count
4850 condition code generation insn. Initialize iteration count before
4852 * rtl.h (loop_optimize): Update prototype.
4854 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
4855 not doubleword aligned.
4857 * rs6000.c (optimization_options): New function.
4858 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
4859 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
4860 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
4861 first; cr1 can be used for FP record condition insns.
4863 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
4865 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
4868 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
4871 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
4873 (block_move_call): New function: Call a library routine to copy a
4875 (m32r_expand_block_move): New function: Expand a "movstrsi"
4876 pattern into a sequence of insns.
4877 (m32r_output_block_move): New function: Expand a
4878 "movstrsi_internal" pattern into a sequence of assembler opcodes.
4879 (m32r_block_immediate_operand): New function: Return true if the
4880 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
4882 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4884 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
4886 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
4888 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4890 * regmove.c (copy_src_to_dest): Check that modes match.
4892 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
4894 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
4896 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
4898 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
4899 narrower than FLOAT_REGS.
4901 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4903 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
4905 * Makefile.in (old_gxx_include_dir): removed
4907 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
4909 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
4912 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
4913 (sh_handle_pragma): Change function arguments to match new
4914 specification for HANDLE_PRAGMA.
4916 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4918 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
4920 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
4921 When generating output, initialize missing struct member to zero.
4923 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4925 * regmove.c (copy_src_to_dest): Don't copy if that requires
4926 (a) new register(s).
4928 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4930 * global.c (reg_allocno): Now static.
4931 * reload1.c (reg_allocno): Delete declaration.
4932 (order_regs_for_reload): Take no arguments. Don't treat regs
4933 allocated by global differently than those allocated by local-alloc.
4935 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
4937 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
4938 condition, fix format strings.
4939 (output_function_epilogue): Likewise.
4941 * m68k/m68k.c: Don't include <stdlib.h> directly.
4943 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
4945 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
4946 mem_first_set, mem_last_set; because 0 can be a CUID.
4947 (oprs_unchanged_p): Use new definition.
4948 (record_last_reg_set_info): Likewise.
4949 (record_last_mem_set_info): Likewise.
4950 (compute_hash_table): Likewise.
4952 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
4954 * rs6000.c (output_epilogue): Handle Chill.
4956 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
4957 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
4959 * combine.c (make_extraction): If no mode is specified for
4960 an operand of insv, extv, or extzv, default it to word_mode.
4961 (simplify_comparison): Similarly.
4962 * expmed.c (store_bit_field): Similarly.
4963 (extract_bit_field): Similarly.
4964 * function.c (fixup_var_regs_1): Similarly.
4965 * recog.c (validate_replace_rtx_1): Similarly.
4966 * mips.md (extv, extzv, insv expanders): Default modes for most
4967 operands. Handle TARGET_64BIT.
4968 (movdi_uld, movdi_usd): New patterns.
4970 * pa.c (emit_move_sequence): Do not replace a pseudo with its
4971 equivalent memory location unless we have been provided a scratch
4972 register. Similarly do not call find_replacement unless a
4973 scratch register has been provided.
4975 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4977 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
4980 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
4982 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
4983 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
4984 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
4985 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
4986 * c-decl.c (init_decl_processing): Update accordingly.
4987 * expr.c (expand_builtin): Likewise.
4989 * rtl.h (global_rtl): Add cfa entry.
4990 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
4991 (LAST_VIRTUAL_REGISTER): Update.
4992 * emit-rtl.c (global_rtl): Add cfa entry.
4993 (init_emit): Initialize it.
4994 * function.c (cfa_offset): New.
4995 (instantiate_virtual_regs): Initialize it.
4996 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
4997 (expand_function_end): Call expand_eh_return.
4998 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5000 * except.c (current_function_eh_stub_label): Kill.
5001 (current_function_eh_old_stub_label): Likwise; update all references.
5002 (expand_builtin_set_return_addr_reg): Kill.
5003 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5004 (expand_builtin_set_eh_regs): Kill.
5005 (eh_regs): Produce a third reg for the actual handler address.
5006 (eh_return_context, eh_return_stack_adjust): New.
5007 (eh_return_handler, eh_return_stub_label): New.
5008 (init_eh_for_function): Initialize them.
5009 (expand_builtin_eh_return, expand_eh_return): New.
5010 * except.h: Update prototypes.
5011 * flow.c (find_basic_blocks_1): Update references to the stub label.
5012 * function.h (struct function): Kill stub label elements.
5014 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5015 register number is one that would be in the previous window.
5016 Provide a dummy definition for non-windowed targets.
5017 (get_reg_addr): New function.
5018 (get_reg, put_reg, copy_reg): Use it.
5019 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5020 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5022 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5023 (alpha_init_expanders): Initialize it.
5024 (alpha_expand_epilogue): Use it.
5025 * alpha.h: Declare it.
5026 * alpha.md (eh_epilogue): New.
5028 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5029 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5031 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5033 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5036 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5038 * except.h (struct eh_entry): Add false_label field.
5039 (end_catch_handler): Add prototype.
5040 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5041 (start_catch_handler): When using old style exceptions, issue
5042 runtime typematch code before continuing with the handler.
5043 (end_catch_handler): New function, generates label after handler
5044 if needed by older style exceptions.
5045 (expand_start_all_catch): No need to check for new style exceptions.
5046 (output_exception_table_entry): Only output the first handler label
5047 for old style exceptions.
5048 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5049 mechanism into one function, if a runtime matcher is provided.
5051 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5053 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5055 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5057 * integrate.c (copy_decl_list): Fix typo.
5059 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5061 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5064 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5066 * version.c: Bump for snapshot.
5068 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5070 * version.c: Bump for snapshot.
5072 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5074 * version.c: Bump for snapshot.
5076 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5078 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5080 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5082 * configure.in: remove usage of `!' to negate the result of a
5083 command; some common shells do not support it
5085 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5087 * configure.in: in sparc9-sol2 config, use 'if test' not
5089 * configure: Rebuilt.
5091 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5093 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5094 (CPP_CPU_DEFAULT_SPEC): Likewise.
5095 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5096 for arch64 libfuncs.
5098 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5101 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5103 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5105 * collect2.c: Don't declare `sys_siglist' here.
5106 (my_strsignal): Prototype and define new function. Use it in
5107 place of `sys_siglist' hacks.
5109 * mips_tfile.c: Likewise.
5111 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5112 (GCC_NEED_DECLARATIONS): Likewise.
5114 * system.h (strsignal): Prototype it, if necessary.
5115 (sys_siglist): Declare it, if necessary.
5117 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5119 * loop.c (move_movables): While removing insn sequences, preserve
5120 the next pointer of the most recently deleted insn when we skip
5123 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5125 * objc/config-lang.in: Do not output the name of the selected
5126 thread file when building the front-end. The Makefile for the
5127 runtime library will do this.
5129 * objc/Make-lang.in: Do not build the runtime library or install
5130 the Objective C header files. The Makefile for the runtime
5131 library will do this.
5133 * objc/Makefile.in (all.indirect): Only build the front-end.
5134 (compiler): Rename to `frontend'.
5135 (obj-runtime): Remove target.
5136 (copy-headers): Likewise.
5137 (clean): No need to remove `libobjc.a' any longer.
5139 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5141 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5142 supported with -mcpu=xxx.
5144 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5146 * flow.c (mark_set_1): Recognize multi-register structure return
5147 values in CALL insns.
5148 (mark_used_regs): Likewise.
5149 (count_reg_sets_1): Likewise.
5150 (count_reg_references): Likewise.
5151 * rtlanal.c (note_stores): Likewise.
5152 (reg_overlap_mentioned_p): Likewise.
5153 * haifa-sched.c (check_live_1): Likewise.
5154 (update_live_1): Likewise.
5155 (sched_analyze_1): Likewise.
5156 (sched_note_set): Likewise.
5157 (birthing_insn_p): Likewise.
5158 (attach_deaths): Likewise.
5160 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5163 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5165 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5167 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5169 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5171 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5173 * configure.in: Add check for GAS subsection -1 support.
5174 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5175 * configure config.in: Rebuilt.
5176 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5177 SImode is subsection -1 works, else use DImode.
5178 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5179 subsection -1 works.
5180 * config/sparc/sparc.c (sparc_output_addr_vec,
5181 sparc_output_addr_diff_vec): Use them if defined.
5183 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5185 * tree.h (DECL_ORIGIN): New macro.
5186 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5187 (copy_decl_list): Use it.
5188 (integrate_parm_decls): Likewise.
5189 (integrate_decl_tree): Likewise.
5190 * dwarf2out.c (decl_ultimate_origin): Simplify.
5191 * dwarfout.c (decl_ultimate_origin): Likewise.
5192 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5193 (pushdecl): Likewise.
5195 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5197 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5199 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5201 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5203 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5205 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5206 empty or has a single entry.
5208 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5209 before calling reg_to_stack.
5211 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5213 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5214 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5216 * c-tree.h (warn_long_long): Declare it.
5218 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5220 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5221 initialized float-int union if the value is a NaN.
5223 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5225 * c-lex.c (real_yylex): Don't warn about long long constants if
5226 we're allowing long long
5228 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5230 * except.h (current_function_eh_stub_label): Declare.
5231 (current_function_eh_old_stub_label): Declare.
5232 * function.h (struct function): New members eh_stub_label and
5234 * except.c (current_function_eh_stub_label): New variable.
5235 (current_function_eh_old_stub_label): New variable.
5236 (init_eh_for_function): Clear them.
5237 (save_eh_status): Save them.
5238 (restore_eh_status): Restore them.
5239 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5240 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5241 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5242 make an edge from the block that contains it to the block starting
5243 with the label if this label is one of the eh stub labels.
5244 If eh stub labels exist, show they are reachable from the last block
5247 * reload1.c (reload): Break out several subroutines and make some
5249 (calculate_needs_all_insns): New function, broken out of reload.
5250 (calculate_needs): Likewise.
5251 (find_reload_regs): Likewise.
5252 (find_group): Likewise.
5253 (find_tworeg_group): Likewise.
5254 (something_needs_reloads): New global variable, formerly in reload.
5255 (something_needs_elimination): Likewise.
5256 (caller_save_spill_class): Likewise.
5257 (caller_save_group_size): Likewise.
5258 (max_needs): Likewise.
5259 (group_size): Likewise.
5260 (max_groups): Likewise.
5261 (max_nongroups): Likewise.
5262 (group_mode): Likewise.
5263 (max_needs_insn): Likewise.
5264 (max_groups_insn): Likewise.
5265 (max_nongroups_insn): Likewise.
5266 (failure): Likewise.
5268 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
5270 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
5272 * loop.c (load_mems): Copy rtx for output mem.
5274 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
5276 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
5277 mips1 or mips2 either.
5279 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
5281 * pa.c (pa_reorg): New marking scheme for jumps inside switch
5283 (pa_adjust_insn_length): Update to work with new marking scheme
5284 for jumps inside switch tables.
5285 * pa.md (switch_jump): Remove pattern.
5286 (jump): Handle jumps inside jump tables.
5288 * Makefile.in (profile.o): Depend on insn-config.h
5290 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
5292 * iris6.h (DWARF2_UNWIND_INFO): Undef.
5294 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5296 Add preliminary native sparcv9 Solaris support.
5297 * configure.in: Recognize sparv9-*-solaris2*
5298 * configure: rebuilt
5299 * config.sub: Recognize sparcv9 just like sparc64.
5300 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
5301 config/sparc/sol2-cn.asm: Macroize so it can be shared between
5302 32-bit and 64-bit Solaris systems.
5303 * config/sparc/t-sol2: Assemble those with cpp.
5304 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
5305 (*TF*_LIBCALL): If ARCH64 use V9 names.
5306 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
5308 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5310 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
5311 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
5313 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
5315 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
5316 to Pmode if CASE_VECTOR_MODE is something else.
5318 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
5320 * prefix.c (update_path): Correctly handle cases where PATH is
5321 a substring of the builtin prefix, but specifies a different
5324 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
5326 * expr.c: Corrected comment about what MOVE_RATIO does.
5327 * config/alpha/alpha.h: Ditto.
5328 * config/1750a/1750a.h: Ditto.
5329 * config/clipper/clipper.h: Ditto.
5330 * config/i386/i386.h: Ditto.
5332 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
5334 * configure.in (m68k-next-nextstep3*): Use collect2.
5335 Similarly for x86 NeXT configurations.
5336 * configure: Rebuilt.
5338 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
5340 * configure.in: Don't assume srcdir is .../gcc
5341 * configure: Rebuilt.
5343 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
5345 * global.c: Update comments.
5346 (global_alloc): Assign allocation-numbers
5347 even for registers allocated by local_alloc in case
5348 they are later spilled and retry_global_alloc is called.
5349 (mark_reg_store, mark_reg_clobber,
5350 mark_reg_conflicts, mark_reg_death): Always record a
5351 conflict with a pseudo register even if it has been
5352 assigned to a hard register.
5353 (dump_conflicts): Don't list pseudo registers already assigned to
5354 a hard register as needing to be allocated, but do list their
5356 * local-alloc.c: Update comment.
5358 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
5360 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
5361 * configure: Rebuilt.
5363 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
5365 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
5367 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
5368 for all targets that set -msoft-float.
5370 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5372 * toplev.c (print_switch_values): Make static to match prototype.
5374 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
5376 * configure.in: If we are unable to find the "gnatbind" program,
5377 then do not configure the ada subdir.
5378 * configure: Rebuilt.
5380 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
5382 * version.c: Bump for snapshot.
5384 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
5386 * version.c: Bump for snapshot.
5388 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5390 * Makefile.in (toplev.o): Depend on $(EXPR_H).
5391 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
5393 * gansidecl.h: Define ATTRIBUTE_NORETURN.
5395 * genattrtab.c: Have insn-attrtab.c include toplev.h.
5397 * genextract.c: Have insn-extract.c include toplev.h.
5399 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
5401 * toplev.c: Include expr.h.
5402 (really_sorry, fancy_abort): Remove prototypes.
5403 (set_target_switch): Add argument in prototype.
5404 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
5405 (v_really_sorry): Likewise.
5406 (print_version, print_single_switch, print_switch_values): Make
5407 static and add prototype arguments.
5408 (decl_printable_name): Add prototype arguments.
5409 (lang_expand_expr_t): New typedef.
5410 (lang_expand_expr): Declare as a lang_expand_expr_t.
5411 (incomplete_decl_finalize_hook): Add prototype argument.
5412 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
5413 (botch): Likewise for variable `s'.
5414 (rest_of_type_compilation): Mark variables `type' and `toplev'
5415 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
5416 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
5417 (display_help): Make variable `i' an `unsigned long'.
5418 (main): Remove unused parameter `envp'.
5419 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
5420 Cast -1 when comparing it with a `size_t'.
5422 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
5423 prototype with ATTRIBUTE_NORETURN.
5424 (fatal_insn_not_found, fatal_insn, really_sorry,
5425 push_float_handler, pop_float_handler): Add prototypes.
5426 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
5427 (do_abort, botch): Add prototypes.
5429 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
5431 * final.c (final): If a label is reached only from a single jump,
5432 call NOTICE_UPDATE_CC on the jump and its predecessor before
5433 emitting the insn after the label.
5435 * i386.h: Add AMD K6 support.
5436 Change TARGET_* macros to use table lookup.
5437 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
5438 (ADJUST_COST): Change definition to call function in i386.c.
5439 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
5440 * i386.c: Add AMD K6 support.
5441 Add constants for feature tests used by TARGET_* macros.
5442 (split_di): If before reload, call gen_lowpart and gen_highpart.
5443 (x86_adjust_cost): New function.
5444 (put_jump_code): New function.
5445 (print_operand): New codes 'D' and 'd'.
5446 * i386.md: New insn types. New insn attribute "memory".
5447 Redefine scheduling parameters to use new types and add AMD K6
5448 support. Explicitly set type of most insns.
5449 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
5450 Pro and K6 prefer movl $1,reg to incl reg.
5451 (adddi3, subdi3): Set cc_status.
5452 (DImode shift patterns): Change label counters from HOST_WIDE_INT
5453 to int; x86 can't have more than 2^31 DImode shifts per file.
5454 (setcc): Combine all setcc patterns. Allow writing memory.
5455 Combine all jump patterns using match_operator.
5456 (*bzero): Name pattern. Emit mutliple stos instructions when that
5457 is faster than rep stos.
5458 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
5461 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
5463 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
5466 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
5468 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
5469 not whatever we're generating now.
5471 * alpha.c (set_frame_related_p, FRP): New.
5472 (alpha_expand_prologue): Mark frame related insns.
5473 (alpha_expand_epilogue): Likewise, but with a null FRP.
5474 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
5475 * alpha.md (exception_receiver): New.
5476 * alpha/crtbegin.asm (.eh_frame): New beginning.
5477 (__do_frame_setup, __do_frame_takedown): New.
5478 * alpha/crtend.asm (.eh_frame): New ending.
5479 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
5480 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
5481 (ASM_FILE_START): Don't emit .file for dwarf2.
5483 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
5484 * rtl.c (reg_note_name): Likewise.
5485 * rtl.texi (REG_NOTES): Likewise.
5486 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
5489 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
5491 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
5492 * i386.md (movsf, movdf, movxf): Validate memory address returned
5493 from force_const_mem. Kill useless REG_EQUAL setting code.
5495 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
5497 * m68k.md (zero_extendsidi2): Fix typo.
5499 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
5501 * configure.in: Removed references to the removed file
5502 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
5503 * arm*-*-netbsd* and ns32k-*-netbsd*.
5504 * config/i386/xm-netbsd.h: Removed unnecessary file.
5505 * config/m68k/xm-netbsd.h: Likewise.
5506 * config/sparc/xm-netbsd.h: Likewise.
5507 * config/mips/xm-netbsd.h: Likewise.
5509 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
5511 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
5512 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
5514 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
5515 for exact section attributions.
5517 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
5519 * i386/crtdll.h (CPP_PREDEFINES): Define.
5521 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
5523 * m68k.md (5200 movqi): Do not allow byte sized memory references
5525 * m68k.c (output_move_qimode): Do not use byte sized operations on
5528 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
5529 explicit rules for building. Similarly for alloca, vfprintf,
5530 choose-temp and mkstemp, getopt, getopt1, and obstack.
5531 (INCLUDES): Add $(srcdir)/../include.
5532 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
5533 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
5535 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
5537 * gcc.c (do_spec_1): [case 'o'] Account for
5538 lang_specific_extra_outfiles.
5539 (main): Correctly clear all slots in outfiles for
5540 lang_specific_extra_outfiles. Set input_file_number before
5541 calling lang_specific_pre_link.
5543 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
5545 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
5547 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5549 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
5551 (sparc_output_deferred_case_vectors): If no work to do, return.
5552 Fix thinko in Sept 1 change.
5554 1998-09-03 SL Baur <steve@altair.xemacs.org>
5556 * Makefile.in: add semicolon in BISON definition for portability.
5558 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
5560 * config/nextstep.c (handle_pragma): Correct name of third
5563 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
5565 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
5566 * config/m32r/m32r.h: Make register 17 be fixed.
5567 * config/m32r/m32r.c: Use SImode for cc operations.
5569 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
5571 * invoke.texi (Warning Options): Add -Wnon-template-friend
5574 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
5576 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
5578 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
5580 * rs6000.md (movsf): Disable explicit secondary-reload-like
5581 functionality if TARGET_POWERPC64.
5582 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
5585 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
5587 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
5588 and term.h from fixinc.wrap.
5590 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5592 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
5593 safe to include both string.h and strings.h together.
5594 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
5595 which headers to search for function declarations. Continue to
5596 prefer string.h over strings.h when both are not acceptable.
5598 * acconfig.h (STRING_WITH_STRINGS): Add stub.
5600 * configure.in: Call GCC_HEADER_STRING.
5602 * system.h: Test STRING_WITH_STRINGS when deciding which headers
5603 to include. Continue to prefer string.h over strings.h when both
5606 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5608 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
5609 not assume top 32-bits of symbolic addresses are zero if
5612 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
5614 * ginclude/va-alpha.h: Protect entire second portion of the
5615 file against double inclusion.
5617 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
5619 Added support for the Boehm's garbage collector.
5620 * configure.in: Handle --enable-objc-gc.
5621 * configure: Rebuilt.
5622 * Makefile.in (CHECK_TARGETS): Add check-objc.
5623 (check-objc): New rule.
5624 * objc/Make-lang.in: Build a different Objective-C library that
5625 runs with the Boehm's collector.
5626 * objc/encoding.c (objc_round_acc_size_for_types): New function.
5627 * objc/encoding.c: Correctly compute the size of compound types in
5628 the presence of bitfields. Skip the variable name of the type if
5629 any. Added support for long long.
5630 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
5631 (_F_GCINVISIBLE): New mask.
5632 * objc/gc.c: New file. Compute the type memory mask associated with
5633 a class based on the runtime information.
5634 * objc/misc.c: Added the hooks that use the Boehm's collector
5635 allocation functions.
5636 * objc/objc-act.c (build_class_template): Generate a new class
5637 member (gc_object_type) to hold the class' type memory mask.
5638 (build_shared_structure_initializer): Initialize the new member to
5640 (encode_complete_bitfield): New function. Generate the new
5642 (encode_field_decl): Generate the new encoding only for the GNU
5644 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
5646 (class_get_gc_object_type): New function to mark a pointer instance
5647 variable as a weak pointer.
5648 * objc/objc-features.texi: New file.
5649 * objc/objc.h (gc_object_type): New class member.
5650 * objc/objects.c (class_create_instance): Create a typed memory
5651 object when compiled with Boehm's collector support.
5652 * objc/sendmsg.c (__objc_init_install_dtable): Call
5653 __objc_send_initialize instead of setting the initialize flag.
5654 (__objc_send_initialize): Call __objc_generate_gc_type_description
5655 to generate the class type memory mask. Rewrite the code that
5656 sends the +initialize so that it is called only once (bug report
5657 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
5658 * testsuite/objc: New testsuite for Objective-C type encoding.
5659 * testsuite/lib/objc-torture.exp: New file.
5660 * testsuite/lib/objc.exp: New file.
5662 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
5664 * jump.c (jump_optimize): In if/then/else transformations, add
5665 another call to modified_between_p for the jump insn.
5667 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
5669 * fix-header.c (symlink): Treat like readlink.
5671 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5673 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
5676 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
5678 * config/nextstep.h: Update HANDLE_PRAGMA macro.
5679 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
5680 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
5682 * config/nextstep.c (handle_pragma): Take three arguments, as per
5683 the new HANDLE_PRAGMA macro specification.
5684 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
5685 per the new HANDLE_PRAGMA macro specification.
5686 * config/i960/i960.c (process_pragma): Take three arguments, as
5687 per the new HANDLE_PRAGMA macro specification.
5689 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
5691 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
5692 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
5693 if unknown pragmas are encountered.
5694 (handle_sysv_pragma): Interpret return code from
5695 handle_pragma_token (). Return success/failure indication rather
5696 than next unprocessed character.
5697 (pragma_getc): New function: retrieves characters from the
5698 input stream. Defined when HANDLE_PRAGMA is enabled.
5699 (pragma_ungetc): New function: replaces characters back into the
5700 input stream. Defined when HANDLE_PRAGMA is enabled.
5702 * c-pragma.c (handle_pragma_token): Return success/failure status
5705 * c-pragma.h: Change prototype of handle_pragma_token().
5707 * varasm.c: (handle_pragma_weak): Only create this function if
5708 HANDLE_PRAGMA_WEAK is defined.
5710 * c-common,c (decl_attributes): If defined call the expression
5711 contained within the INSERT_ATTRIBUTES macro before adding
5712 attributes to a decl.
5714 * tm.texi (HANDLE_PRAGMA): Document the new verion of
5715 HANDLE_PRAGMA, which takes three arguments.
5716 (INSERT_ATTRIBUTES): Document this new macro.
5718 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
5719 new INSERT_ATTRIBUTES macro.
5721 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5723 * config/sparc/sparc.md (movdf): Only generate special RTL for
5724 LABEL_REFs when PIC.
5725 (move_label_di): Remove
5726 (movdi_pic_label_ref, movdi_high_pic_label_ref,
5727 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
5728 references when PIC.
5729 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
5730 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
5731 output an .xword for all 64-bit cases.
5733 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5735 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
5736 alignment, use FUNCTION_BOUNDARY instead.
5737 (sparc_output_deferred_case_vectors): Likewise.
5739 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5741 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
5742 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
5744 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
5746 * alpha/va_list.h: New file.
5747 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
5749 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
5751 * NEWS: Add SCO Openserver and Unixware 7 notes.
5755 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
5757 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
5758 (record_constant_1): Handle RANGE_EXPR.
5760 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
5762 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
5763 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
5764 and NOTE_INSN_RANGE_END specially.
5765 (reemit_notes): Likewise.
5767 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5769 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
5770 (ultrasparc_sched_init): Remove unneeded &.
5772 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5774 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
5775 for m68020-60, to prevent the use of fintrz.
5777 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
5779 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
5781 * Makefile.in: Likewise.
5782 * configure: Regenerated.
5784 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
5786 * configure.in (gxx_include_dir): Changed to
5787 '${prefix}/include/g++'-${libstdcxx_interface}.
5788 * configure: Rebuilt.
5790 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
5792 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
5794 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
5795 *sequences* *below* which scalar moves will be used.
5797 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
5799 * collect2.c (mktemp): Delete unused declaration.
5801 * config/xm-netbsd.h: Remove unnecessary file.
5802 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
5803 file anymore, it is not needed.
5805 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
5807 * convert.c (convert_to_integer): Issue an error on conversions to
5810 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
5812 * Makefile.in: Add lang_tree_files and gencheck.h.
5813 * configure.in: Generate them.
5814 * gencheck.c: Include gencheck.h.
5816 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5818 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
5819 movdi_lo_sum_pic and movdi_high_pic and make visible.
5820 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
5821 emit these when Pmode is not SImode.
5822 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
5824 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
5826 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
5827 .linkonce directive after the first time.
5829 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
5831 * m68k.md (beq0_di): Generate correct (and more efficient) code when
5832 the clobbered operand overlaps with an input.
5833 (bne0_di): Similarly.
5835 * Makefile.in (INSTALL): Remove "--no-header" argument.
5837 * NEWS: Various updates.
5839 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5841 * config/sparc/sparc.c (arith_operand, const64_operand,
5842 const64_high_operand, arith_double_4096_operand): Mark mode as
5844 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
5846 (sparc_emit_set_const64): Remove unused variable i.
5847 (sparc_splitdi_legitimate): Likewise for addr_part.
5848 (ultra_code_from_mask): Likewise for mask.
5849 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
5850 reverse return values so it matches usage and comments.
5851 (ultra_flush_pipeline): Likewise.
5852 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
5853 this_type, and allow loads and stores of differing FP modes as
5854 they do not create a conflict.
5855 (ultra_find_type): Initialize fpmode to SFmode, fix
5856 parenthesization thinkos in large conditional.
5857 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
5858 Init free_slot_mask after ultra_cur_hist is reset, not before.
5859 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
5860 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
5861 use ultra_flush_pipeline instead, then re-init group pointer.
5862 Fix statement with no effect. If no progress made in, and no
5863 instructions scheduled at all, advance to new pipeline cycle else
5864 we get into an endless loop.
5865 (ultrasparc_adjust_cost): Remove previous arg.
5866 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
5868 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
5870 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
5871 code. Use reg_overlap_mentioned_p to detect when source and
5872 destination overlap.
5873 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
5875 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
5877 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
5878 COMPARISON_VAL, into invariant_p.
5880 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5882 * regmove.c (regclass_compatible_p): New function.
5883 (regmove_optimize): Use it.
5885 Use NREGS parameter insted of calling max_reg_num.
5887 (fixup_match_1): Don't use code = MINUS when later tieing with
5888 a hard register is likely.
5890 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5892 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
5893 COMPARISON_VAL was normalized.
5895 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
5897 * loop.c (check_dbra_loop): The loop ending comparison value
5898 must be an invariant or we can not reverse the loop.
5900 * loop.c (scan_loop): Count down from max_reg_num - 1 to
5901 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
5903 (load_mems_and_recount_loop_regs_set): Likewise.
5905 * i386.c (print_operand): Remove obsolete 'c' docs.
5907 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
5909 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
5910 * frame.c (init_object_mutex): New function.
5911 (init_object_mutex_once): Likewise.
5912 (find_fde): Call it.
5913 (__register_frame_info): Likewise.
5914 (__register_frame_info_table): Likewise.
5915 (__deregister_frame_info): Likewise.
5917 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
5919 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
5921 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5923 * loop.c (check_dbra_loop): Enable code for reversal
5924 of some loops without a known constant loop end.
5926 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
5928 * haifa-sched.c (last_clock_var): New.
5929 (schedule_block): Initialize it.
5930 (schedule_insn): Use it to fill insn modes with issue information.
5932 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
5933 Tag trapb and next insn with TImode.
5934 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
5935 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
5936 Invoke alphaev5_align_insns as appropriate.
5937 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
5938 (MD_SCHED_VARIABLE_ISSUE): New.
5939 * alpha.md (attr type): Add multi.
5940 (define_asm_attributes): New.
5941 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
5942 (arg_home): Likewise.
5943 (fnop, unop, realign): New.
5945 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
5947 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
5948 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
5950 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
5951 (rs6000-ibm-aix4.[12]*): Likewise.
5952 * configure: Regnerate.
5954 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
5956 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
5957 already contains the return address.
5959 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
5961 * calls.c (expand_call): Use bitfield instructions to extract/deposit
5962 word sized hunks when loading unaligned args into registers.
5964 * haifa-sched.c (sched_analyze_insn): Only create scheduling
5965 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
5967 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
5969 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5971 * loop.c (check_dbra_loop): Add some code that would allow reversal
5972 of some loops without a known constant loop end if it were enabled.
5974 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
5976 * mips.md (lshrsi3_internal2+2): Fix type-o.
5978 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5980 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
5981 correctly with regards to stdio.h.
5983 * calls.c: Remove stdarg.h/varargs.h.
5986 * combine.c: Likewise.
5987 * cpperror.c: Likewise.
5988 * cpplib.c: Likewise.
5989 * cpplib.h: Likewise.
5990 * doprint.c: Likewise.
5991 * emit-rtl.c: Likewise.
5992 * final.c: Likewise.
5993 * fix-header.c: Likewise.
5995 * genattr.c: Likewise.
5996 * genattrtab.c: Likewise.
5997 * gencodes.c: Likewise.
5998 * genconfig.c: Likewise.
5999 * genemit.c: Likewise.
6000 * genextract.c: Likewise.
6001 * genflags.c: Likewise.
6002 * genopinit.c: Likewise.
6003 * genoutput.c: Likewise.
6004 * genpeep.c: Likewise.
6005 * genrecog.c: Likewise.
6006 * mips-tfile.c: Likewise.
6007 * prefix.c: Likewise.
6008 * protoize.c: Likewise.
6009 * regmove.c: Likewise.
6010 * toplev.c: Likewise.
6013 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6015 * config/sparc/sparc.c (sparc_override_options): If not
6016 TARGET_FPU, turn off TARGET_VIS.
6017 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6018 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6019 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6020 (movdi_insn_sp64): Add VIS fzero alternative.
6021 (clear_sf, clear_df): New VIS patterns.
6022 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6024 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6026 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6028 * loop.c (n_times_set, n_times_used, may_not_optimize,
6029 reg_single_usage): Convert to varrays. All uses changed.
6030 (insert_loop_mem): Return a value.
6031 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6032 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6035 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6038 * configure.in: Do not set thread_file to "irix" since no such
6041 * sparc.md (float abs/neg splits): Check reload_completed before
6042 calling alter_subreg.
6044 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6046 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6048 * config/sparc/sparc.h: Declare it.
6049 * config/sparc/sparc.md (float abs/neg splits): Use it.
6050 (all other splits): Handle SUBREGs properly where necessary.
6051 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6053 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6055 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6056 an insn on the unfilled_slots_list that has no delay slots.
6057 (fill_eager_delay_slots): Similarly.
6059 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6061 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6062 as an ordinary operand.
6064 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6066 * tree.c (valid_machine_attribute): Don't apply attributes to both
6069 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6071 * reload.c (operands_match_p): Handle rtvecs.
6073 * i386.c (legitimate_pic_address_disp_p): New.
6074 (legitimate_address_p): Use it.
6075 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6076 Handle constant pool symbols just like statics.
6077 (emit_pic_move): Use Pmode not SImode for clarity.
6078 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6079 [UNSPEC]: New, handling what we killed above.
6080 [PLUS]: Detect and abort on invalid symbol arithmetic.
6081 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6083 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6085 * alias.c: Include output.h.
6086 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6087 different if we're in a varargs function.
6088 * Makefile.in (alias.o): Depend on output.h
6090 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6092 * sh.h (GIV_SORT_CRITERION): Delete.
6094 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6096 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6097 * stupid.c (stupid_life_analysis): Ditto.
6098 * reload1.c (reload): Ditto.
6100 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6102 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6103 arith_double_4096_operand, arith_double_add_operand): New
6105 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6106 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6107 them to transform add/sub 4096 into add/sub -4096.
6109 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6111 * loop.c (scan_loop): Allocate some slop to handle pseudos
6112 generated by move_movables.
6113 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6116 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6118 * tree.def (DECL_RESULT): Correct documentation.
6120 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6122 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6123 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6124 conflicts will all RELOAD_FOR_OUTPUT reloads.
6126 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6127 loads the function result, substitute with a USE.
6129 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6131 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6132 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6133 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6134 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6135 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6136 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6138 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6139 'o' to 'm' for GPR variant constraints.
6141 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6143 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6145 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6147 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6148 when the source and destination overlap.
6150 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6151 clash with global type.
6153 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6155 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6157 * c-common.c (combine_strings): Also set TREE_READONLY.
6158 Change warn_write_strings to flag_const_strings.
6159 * c-decl.c, c-tree.h: Likewise.
6161 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6163 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6164 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6165 sequence, use SET/IOR instead so CSE can see it.
6166 * config/sparc/sparc.md (movhi_const64_special,
6167 movsi_const64_special): New patterns necessitated by that change.
6168 (movhi_high): Remove.
6169 (movhi_lo_sum): Change to match an IOR.
6170 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6171 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6172 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6173 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6174 registers are involved.
6175 (snesi_zero_extend split): Remove reload_completed test.
6176 (unnamed plus and minus zero_extend sidi splits): Add it.
6178 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6180 * extend.texi: Remove description of extension to explicit
6181 instantiation that is now endorsed by standard C++.
6183 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6185 * config/arc/arc.c (arc_initialize_pic): Remove.
6186 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6187 nothing on any platform and is invoked by no-one, it does not even
6188 appear in the documentation.
6189 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6190 * config/sparc/sparc.c (initialize_pic): Likewise.
6191 (find_addr_reg): Remove this as well, no longer referenced after
6194 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6196 * recog.c (validate_replace_rtx_group): New function.
6197 * recog.h (validate_replace_rtx_group): Declare it.
6198 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6199 the entire group of substitutions.
6201 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6203 * loop.c (load_mems): Fix initializers.
6205 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6207 * config/sparc/sparc.md (TFmode splits): Handle destination
6208 registers being referenced in the address correctly.
6210 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6211 TREE_UNSIGNED, when bitsize of type's mode is larger than
6212 HOST_BITS_PER_WIDE_INT.
6214 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6216 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6217 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6218 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6220 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6223 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6225 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6226 * h8300.h (TINY_DATA_NAME_P): Likewise.
6227 (STRIP_NAME_ENCODING): Handle '&'.
6229 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6230 register (it could be accessed via an outer SUBREG).
6231 (REG_OK_FOR_BASE_P): Likewwise.
6232 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6234 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6237 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6239 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6241 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6242 must be offsettable so the splits can be made.
6244 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6246 * config/i386/winnt.c: Include system.h, not stdio.h to get
6247 sys/param.h pulled in before rtl.h in case the system defines MIN
6250 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
6252 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
6254 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
6256 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
6258 * cpplib.c (cpp_define): Handle macros with parameters.
6260 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6262 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
6263 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
6264 and DImode 64-bit. Use llong for minimal-toc SFmode and
6265 SYMBOL_REF / LABEL_REF 64-bit.
6266 (output_function_profiler): Use llong for profiler label and ld to
6267 load 64-bit label address.
6269 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
6271 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
6274 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
6276 * version.c: Bump for snapshot.
6278 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
6280 * version.c: Bump for snapshot.
6282 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
6284 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
6286 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
6288 * tm.texi (Misc): Fix typo "teh".
6290 * tm.texi (PIC): Fix typo "PPIC".
6292 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
6293 effect when -O2 and higher.
6294 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
6296 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
6298 * regclass.c: Changed register set documentation to be consistent
6301 * final.c (final_start_function) Removed redundant test for
6304 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
6306 * rtl.h (rtx_function): New type.
6307 (for_each_rtx): New function.
6308 * rtlanal.c (for_each_rtx): Define it.
6310 * recog.c (change_t): New type.
6311 (change_objects, change_old_codes, change_locs, change_olds):
6313 (changes): New variable.
6314 (validate_change): Dynamically allocate room for more changes, if
6315 necessary. Uses changes array instead of change_objects, etc.
6316 (apply_change_group): Use changes array instead of
6317 change_objects, etc.
6319 * loop.c (loop_mem_info): New type.
6320 (loop_mems): New variable.
6321 (loop_mems_idx): Likewise.
6322 (looop_mems_allocated): Likewise.
6323 (scan_loop): Remove nregs parameter.
6324 (next_insn_in_loop): New function.
6325 (load_mems_and_recount_loop_regs_set): Likewise.
6326 (load_mems): Likewise.
6327 (insert_loop_mem): Likewise.
6328 (replace_loop_mem): Likewise.
6329 (replace_label): Likewise.
6330 (INSN_IN_RANGE_P): New macro.
6331 (loop_optimize): Don't pass max_reg_num() to scan_loop.
6332 (scan_loop): Remove nregs parameter, compute it after any new
6333 registers are created by load_mems. Use INSN_IN_RANGE_P and
6334 next_insn_in_loop rather than expanding them inline. Call
6335 load_mems to load memory into pseudos, if appropriate.
6336 (prescan_loop): Figure out whether or not there are jumps from the
6337 loop to targets other than the label immediately following the
6338 loop. Call insert_loop_mem to notice all the MEMs used in the
6339 loop, if it could be safe to pull MEMs into REGs for the duration
6341 (strength_reduce): Use next_insn_in_loop. Tweak comments.
6343 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
6345 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
6347 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6349 * config/sparc/sparc.c (finalize_pic): Check for the correct
6350 nonlocal_goto_receiver UNSPEC number.
6351 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
6352 making note of this dependency existing in sparc.c
6353 (negtf2_notv9 split): Give NEG SFmode.
6354 (negsf2): Fix insn output string.
6356 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
6358 * c-common.c (decl_attributes): Issue an error if the argument
6359 to alias is not a string.
6361 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
6363 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
6364 pending memory flush list.
6366 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
6368 (try_combine): Allow combining insns with REG_LIBCALL notes.
6370 * expr.c (emit_block_move): Do not call memcpy as a libcall
6371 instead build up a CALL_EXPR and call it like any other
6373 (clear_storage): Similarly for memset.
6375 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
6378 * Makefile.in (cplus-dem.o): Provide explicit rules for building
6381 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
6382 and REG_LIVE_LENGTH as successful substitutions are made.
6384 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6386 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
6387 statement after end of loop label.
6389 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6391 * config/sparc/sparc.c (ultra_types_avail): New variable.
6392 (ultra_build_types_avail): New function to record mask of insn
6393 types in ready list at this cycle.
6394 (ultrasparc_sched_reorder): Call it.
6395 (ultra_find_type): Use it to quicken the search. Also simplif
6396 dependency check, don't use rtx_equal_p because we know exactly
6397 what we are looking for.
6399 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
6401 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
6402 for architecture v4.
6404 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6406 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
6408 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
6409 movdf_const_intreg and helper splits): New patterns to move float
6410 constants into integer registers.
6411 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
6414 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
6417 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
6419 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
6421 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
6422 a BASE_REGS register is needed as an intermediate when copying
6423 a symbolic value into any register class other than BASE_REGS.
6425 * expr.c (move_by_pieces): No longer static. Remove prototype.
6426 * rtl.h (move_by_pieces): Add extern prototype.
6427 * mips.c (expand_block_move): Handle aligned straight line copy by
6428 calling move_by_pieces.
6430 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
6433 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
6435 * stmt.c (expand_end_loop): Tidy. Allow unconditional
6436 jumps out of the loop to be treated as part of the exit test.
6438 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6439 Jeff Law <law@cygnus.com>
6441 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
6442 * cplus-dem.c: Delete.
6444 * Makefile.in (fold-const.o): depend on $(RTL_H).
6446 * fold-const.c: Include rtl.h to get the prototype for
6447 `set_identifier_local_value'.
6449 * loop.c (express_from_1): Remove unused variable `tmp'.
6450 (combine_givs): cast the first argument of bzero to char *.
6452 * toplev.c (display_help): Remove unused variable `looking_for_start'.
6454 * c-decl.c (init_decl_processing): Remove unneeded &.
6456 * alpha.h (alpha_initialize_trampoline): Provide prototype.
6458 * except.c (set_exception_lang_code, set_exception_version_code):
6459 Change parameter from `short' to `int' to avoid using a gcc
6462 * except.h (set_exception_lang_code, set_exception_version_code):
6463 Likewise for prototypes.
6465 * flow.c (count_reg_references): Remove unused variables `regno'
6468 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
6470 * prefix.c (translate_name): Cast the result of `alloca'.
6472 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
6474 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6476 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
6478 (valid_dbcc_comparison_p): Mark mode argument as unused.
6479 (symbolic_operand): Likewise.
6480 (legitimize_pic_address): Likewise.
6481 (const_uint32_operand): Likewise.
6482 (const_sint32_operand): Likewise.
6483 * sched.c [!INSN_SCHEDULING]: Define only dummy function
6484 schedule_insns and comment out rest of file.
6486 * m68k.c (output_move_simode_const): Use subl to move a zero into an
6488 (output_move_[hq]imode): Likewise.
6490 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
6492 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
6493 * invoke.texi: Corresponding changes.
6495 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
6497 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
6499 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6501 * config/sparc/sparc.c (ultra_code_from_mask,
6502 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
6503 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
6504 ultrasparc_sched_init, ultrasparc_variable_issue,
6505 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
6506 functions to describe UltraSPARC pipeline exactly to Haifa.
6507 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
6508 as there is nothing the scheduler can do about it. Indicate that
6509 REG_DEP_OUTPUT's collide. Fixup formatting.
6510 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
6511 divide costs on Ultra for DImode.
6512 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
6514 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
6515 ieuN and add call_no_delay_slot to type list.
6516 (cti function unit): New unit for branches on UltraSPARC.
6517 (subx/addx insns): Set type to misc.
6518 (sidi zero/sign extension insns on arch64): Set type to shift.
6519 (sign_extendhidi2_insn): Set type to sload.
6521 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
6523 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
6524 (output_epilog): Use if != 0 for offset.
6525 (rs6000_fatal_bad_address): Prepare for Intl.
6526 * rs6000.h (rs6000_fatal_bad_address): Declare.
6527 * rs6000.md (movsfcc, movdfcc): Use else if.
6528 (elf_high): Use {liu|lis}.
6529 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
6530 (movsi): Use rs6000_fatal_bad_address.
6532 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
6534 * reload.c (find_equiv_reg): Reject equivalences separated
6535 by a volatile instruction.
6537 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6539 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
6541 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
6543 * alpha.md (movsicc): Fix mode mismatch.
6545 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
6547 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
6549 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
6551 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6553 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
6554 write-only modifier from operand 1 constraint.
6556 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6558 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
6559 emitting a XOR of -1 at the end, emit a NOT instead for combine's
6561 (sparc_emit_set_const64): Likewise, also when computing trailing
6562 bits do not negate low_bits and make fast_int an int.
6564 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
6566 * loop.c (add_label_notes): Do not ignore references to labels
6567 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
6568 * gcse.c (add_label_notes): Similarly.
6570 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
6572 * m68k.md (adddi_dilshr32): One of the operands must be a register.
6573 (adddi_dishl32): Similarly.
6575 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
6577 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
6578 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
6579 * cse.c (cse_basic_block): Add parens to shut up warnings.
6581 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6583 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
6584 sparc_emit_set_const64_longway, const64_is_2insns,
6585 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
6586 in 64-bit constant formation.
6587 * config/sparc/sparc.md (snesi_zero_extend split): Generate
6588 rtl for addx not subx.
6589 (define_insn movdi_const64_special): Make available even when
6590 HOST_BITS_PER_WIDE_INT is not 64.
6591 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
6592 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
6593 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
6594 instances of operand 1 inside a QI subreg.
6595 (xordi3_sp64_dbl): Remove '%' constraint for op1.
6596 (one_cmpldi2_sp64): Fix output string.
6597 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
6599 (unnamed arch64 ashift DI): Truncate shift count if greater than
6602 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6604 * expr.c (store_expr): Don't optimize away load-store pair
6605 when either source or destination have a side effect.
6607 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
6609 * genrecog.c (add_to_sequence): Fatal error if the modes of the
6610 operands of SET are incompatible.
6612 * alpha.md: Fix max and min patterns so modes of SET operands match.
6614 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
6616 * configure.in: Avoid [[ by using test and changequote.
6617 * configure: Rebuild.
6619 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6621 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
6623 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
6624 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
6625 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
6626 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
6627 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
6628 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
6629 Fix mismatching modes in SET operands.
6630 (conditional move patterns): Fix formatting.
6631 (unnamed subx arch64 pattern): Remove duplicate insn.
6633 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6635 * config/sparc/sparc.c (const64_operand, const64_high_operand):
6636 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
6637 (input_operand): Fixup test for what we accept for constant
6639 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
6641 (safe_constDI): Remove.
6642 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
6643 gen_safe_XOR64): New functions.
6644 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
6645 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
6647 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
6648 available when HOST_BITS_PER_WIDE_INT is not 64.
6649 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
6650 move before movdi_insn_sp64 pattern.
6651 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
6652 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
6653 symbolic_operand as predicate for second operand.
6654 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
6655 expander): Give set VOIDmode.
6657 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
6659 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
6661 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
6663 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
6665 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
6667 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
6669 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
6671 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
6673 * install.texi: Various SCO OpenServer tweaks.
6675 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
6677 * reload1.c (eliminate_regs_in_insn): Handle another case when
6678 eliminating the frame pointer to the hard frame pointer. Add
6679 missing ep->to_rtx check to one existing case.
6681 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
6683 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
6685 * tree.h: De-conditionalize init_priority code.
6687 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
6688 * collect2.c (NM_FLAGS): Change from -p to -n.
6690 * configure.in: Turn on collect2 for mipstx39-elf.
6691 Handle use_collect2=no properly.
6693 * c-common.c: De-conditionalize init_priority code.
6694 * collect2.c (extract_init_priority, sort_ids): New fns.
6695 (main): Call sort_ids.
6696 Move sequence_number to file scope.
6698 * configure.in: Handle --enable-init-priority.
6699 * c-common.c (attrs): Add A_INIT_PRIORITY.
6700 (init_attributes, decl_attributes): Likewise.
6701 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
6702 * tree.c (get_file_function_name_long): Split out...
6703 (get_file_function_name): ...from here.
6705 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
6707 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
6710 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
6712 * toplev.c (display_help): Add braces to shut up warnings.
6713 * tree.c (simple_cst_equal): Likewise.
6715 * fold-const.c (non_lvalue): Don't deal with null pointer
6717 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
6719 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
6720 of any size to a pointer.
6722 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
6724 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
6726 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
6728 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
6729 which will be saved.
6730 * mn10300.md (prologue insn): Only save registers which need saving.
6731 (epilogue insn): Similarly.
6733 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
6736 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
6738 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
6739 VAR_DECL's in gp addressable sections.
6741 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
6743 * sparc.c: Change return <exp> to <exp>; return; in functions
6745 * sparc.md: Add empty semicolon statement after final label in
6748 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6750 * config/sparc/sparc.md (define_insn addx_extend): Rename to
6751 addx_extend_sp64, only allow when TARGET_ARCH64.
6752 (define_insn addx_extend_sp32 and split): Version that works when
6754 (define_insn subx_extend): Likewise.
6755 (define_split adddi3 and subdi3 with zero extension): Fixup and
6756 correct bugs when not TARGET_ARCH64.
6758 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
6760 * except.c (set_exception_lang_code, set_exception_version_code):
6761 Use prototype-style definition if __STDC__, to match declaration
6764 * genemit.c: Change FAIL and DONE macros not to use loops.
6766 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
6768 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
6769 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
6771 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
6773 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
6775 * README.g77: Update from Craig.
6777 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6779 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
6781 (safe_constDI sparc_emit_set_const64_quick1,
6782 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
6783 analyze_64bit_constant, const64_is_2insns,
6784 create_simple_focus_bits): Fix some bugs when compiled on real
6786 (function_arg_record_value_3, function_arg_record_value_2,
6787 function_arg_record_value): Add fully prototyped forward decls.
6788 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
6789 to cmpsi_insn and use on both 64 and 32 bit targets.
6790 (define_insn cmpsi_insn_sp64): Remove.
6791 (define_expand zero_extendsidi2): Allow for 32-bit target too.
6792 (define_insn zero_extendsidi2_insn): Rename to
6793 zero_extendsidi2_insn_sp64.
6794 (define_insn zero_extendsidi2_insn_sp32): New pattern and
6795 assosciated forced split for it.
6797 * config/sparc/sparc.c (const64_operand, const64_high_operand):
6799 * config/sparc/sparc.h: Declare them.
6800 (PREDICATE_CODES): Add them.
6801 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
6802 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
6804 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
6806 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
6807 in v9 case as the latter makes the Solaris assembler crash.
6809 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6811 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
6812 for TFmode when !v9. We require offsettable memory addresses.
6813 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
6814 DFmode register number conversions.
6815 * config/sparc/sparc.md (define_split DFmode moves): If register
6816 is a SUBREG do alter_subreg on it before using.
6817 (define_expand movtf): Fixup comment about alignment on v9.
6818 (define_split TFmode moves): Don't use gen_{high,low}part, create
6819 explicit SUBREGs instead.
6821 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
6823 * Makefile.in (mbchar.o): Depend on mbchar.c.
6825 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6826 Richard Henderson <rth@cygnus.com>
6828 Rewrite Sparc backend for better code generation and
6829 improved sparc64 support.
6830 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
6832 * config/sparc/sysv4.h: Likewise.
6833 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
6834 move_operand, v8plus_regcmp_op, emit_move_sequence,
6835 singlemove_string, doublemove_string, mem_aligned_8,
6836 output_move_double, output_move_quad, output_fp_move_double,
6837 move_quad_direction, output_fp_move_quad, output_scc_insn):
6839 (small_int_or_double): New predicate.
6840 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
6841 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
6842 old pic_{sethi,lo_sum}_si patterns.
6843 (mem_min_alignment): New generic function to replace
6844 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
6845 available and can test for arbitrary alignments. All callers
6847 (save_regs, restore_regs, build_big_number,
6848 output_function_prologue, output_cbranch, output_return,
6849 sparc_flat_save_restore, sparc_flat_output_function_prologue,
6850 sparc_flat_output_function_epilogue): Prettify
6852 (output_function_epilogue): Likewise and add code to output
6853 deferred case vectors.
6854 (output_v9branch): Likewise, add new arg INSN and use it to tack
6855 on branch prediction settings. All callers changed.
6856 (print_operand): Likewise and output %l44 for LO_SUMs when
6858 (sparc_splitdi_legitimate): New function to make sure DImode
6859 splits can be run properly when !arch64.
6860 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
6861 Reformat example code in comments.
6862 (set_extends): Remove UNSPEC/v8plus_clear_high case.
6863 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
6864 of deferred case vectors we need to output.
6865 (sparc_defer_case_vector): Record a case vector.
6866 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
6867 sparc_output_deferred_case_vectors): New functions to output them.
6868 (sparc_emit_set_const32): New function to form 32-bit constants in
6869 registers when that requires more than one instruction.
6870 (safe_constDI, sparc_emit_set_const64_quick1,
6871 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
6872 analyze_64bit_constant, const64_is_2insns,
6873 create_simple_focus_bits, sparc_emit_set_const64): New functions
6874 which do the same for 64-bit constants when arch64.
6875 (sparc_emit_set_symbolic_const64): New function to emit address
6876 loading for all code models on v9.
6877 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
6878 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
6879 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
6880 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
6881 inaccuracies in comments, add symbolic and text_segment operands
6882 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
6883 GENERAL_REGS in these cases as a temp REG is needed to load these
6884 addresses into a register properly.
6885 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
6887 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
6888 quads are guarenteed to have 16-byte alignment.
6889 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
6890 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
6891 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
6892 deferred case vector implementation.
6893 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
6894 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
6895 Generate "internal label - label" instead of "label - 1b".
6896 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
6897 (PREDICATE_CODES): Remove sparc_operand, move_operand,
6898 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
6900 (doublemove_string, output_block_move, output_fp_move_double,
6901 output_fp_move_quad, output_move_double, output_move_quad,
6902 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
6903 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
6904 (sparc_emit_set_const32, sparc_emit_set_const64,
6905 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
6906 mem_min_alignment, small_int_or_double): Add externs.
6907 * config/sparc/sparc.md: Document the many uses of UNSPEC and
6908 UNSPEC_VOLATILE in this backend.
6909 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
6910 unary to types which execute in it.
6911 (define_function_unit ieu_shift): Rename to ieu0.
6912 (define_function_unit ieu1): New, executes compare, call, and
6913 uncond_branch type insns.
6914 (define_function_units for type fdivs, fdivd, fsqrt): These
6915 execute in the fpu multiply unit not the adder on UltraSparc.
6916 (define_expand cmpdi): Disallow TARGET_V8PLUS.
6917 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
6918 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
6919 allows the arith_double_operand predicate and rHI constraint when
6921 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
6922 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
6923 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
6924 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
6925 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
6926 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
6927 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
6928 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
6929 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
6930 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
6931 sign_extendqihi2_insn, sign_extendqisi2_insn,
6932 sign_extendqidi2_insn, sign_extendhidi2_insn,
6933 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
6934 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
6935 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
6936 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
6937 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
6938 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
6939 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
6940 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
6941 smulsi3_highpart_v8plus, unnamed subreg mult,
6942 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
6943 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
6944 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
6945 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
6946 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
6947 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
6948 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
6949 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
6950 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
6951 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
6952 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
6953 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
6954 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
6955 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
6956 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
6957 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
6958 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
6959 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
6960 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
6961 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
6962 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
6963 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
6964 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
6965 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
6966 call_address_untyped_struct_value_sp32,
6967 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
6968 call_value_symbolic_sp32, call_value_address_sp64,
6969 call_value_symbolic_sp64, branch_sp32, branch_sp64,
6970 flush_register_windows, goto_handler_and_restore,
6971 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
6972 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
6973 return_addsi, return_di, return_adddi, return_sf, all call+jump
6974 peepholes, trap, unnamed trap insns): Prettify output strings.
6975 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
6976 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
6977 Likewise and force + implement splits for integer cases.
6978 (define_insn return_sf_no_fpu): Likewise and allow to match when
6979 no-fpu because of our subreg SFmode splits.
6980 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
6981 zero_extendqidi2_insn, zero_extendhidi2_insn,
6982 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
6983 input_operand for second operand.
6984 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
6985 reg_or_0_operand for operand 2 so new splits can use it.
6986 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
6987 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
6989 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
6990 CONST_DOUBLEs for operand 2.
6991 (define_insn move_label_di): Likewise and label distance
6992 optimization because it no longer works with new deferred case
6993 vector scheme. To be revisited.
6994 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
6995 and allow reg_or_0_operand and J constraint for second operand.
6996 (define_insn jump): Set branch predict taken on V9.
6997 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
6998 new deferred case vector scheme.
6999 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7000 (define_insn negdi2_sp32): Force + implement splits.
7001 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7002 one_cmplsi2_not_liveg0 respectively, and create expander of original
7003 names which emit special rtl for TARGET_LIVE_G0.
7004 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7005 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7006 gen_compare_reg, FAIL instead.
7007 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7008 values when trying to reverse condition codes, if they FAIL then
7010 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7011 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7012 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7013 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7014 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7015 set output string to # to indicate they are mandatory splits.
7016 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7017 pic_sethi_di, move_pic_label_si): Remove.
7018 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7019 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7021 (define_expand movsi_pic_label_ref, define_insn
7022 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7023 expander and insns to handle PIC label references and deferred
7025 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7027 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7028 Rewrite to not use emit_move_sequence, make use of new constant
7029 formation code, and new splits for all multi-insn cases.
7030 (define_insn movqi_insn): Remove sethi case, it can never happen.
7031 Use reg_or_zero_operand instead of const0_rtx explicit test,
7032 use input_operand instead of move_operand for source, and use
7033 general_operand now for dest.
7034 (define_insn movhi_insn): Similar but leave sethi case.
7035 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7036 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7037 movhi_lo_sum respectively, prettify output string.
7038 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7039 register when needed on TARGET_LIVE_G0.
7040 (define_insn movsi_insn): Use general_operand and input_operand
7041 for dest and src respectively. Simplify applicability test.
7042 Prettify output strings, and add clr alternative for J
7044 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7045 deprecated std and reg-reg DI moves): Remove and...
7046 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7047 implementation which uses forced splits for all non-single insn
7049 (define_split DI move cases on !arch64): New splits to handle all
7050 situations of 64-bit double register DImode on 32bit, and
7051 unaligned registers and memory addresses for all subtargets.
7052 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7054 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7055 input_operand for dest and src respectively, prettify output
7057 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7058 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7060 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7061 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7062 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7063 movtf_no_e_insn_sp64) Replace with new
7064 implementation which uses forced splits for all non-single insn
7066 (define_split DF move cases): New splits in similar vein to DI
7068 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7069 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7070 movdi_sp64_insn): Remove old v9 code model and constant loading
7072 (define_insn pic_lo_sum_di, pic_sethi_di,
7073 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7074 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7075 embmedany_sethi, embmedany_losum, embmedany_brsum,
7076 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7077 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7078 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7079 scheme, using unspecs, secondary reloads, and one to one sparc
7080 insn to rtl insn mapping for better scheduling and code gen.
7081 (define_expand reload_indi, reload_outdi): Reload helpers for
7082 MEDANY and EMBMEDANY symbol address loading cases which require a
7084 (define_expand movsicc): Remove v8plus_regcmp cases.
7085 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7086 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7087 cmp_diqi_trunc_set): New patterns used by some of the new scc
7089 (define_insn xordi3_sp64_dbl): New pattern used for constant
7090 formation when crossing from 32-bit targets.
7091 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7093 (define_insn addx, subx): Make visible and prettify.
7094 (define_insn adddi3_insn_sp32): Likewise and force split.
7095 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7096 64bit scc split usage.
7097 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7098 zero_extend, subdi3): Force and implement splits.
7100 * final.c (final_scan_insn): Don't output labels if target
7101 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7104 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7105 don't forget to walk inside SEQUENCESs too as these are what the
7106 delay slot scheduler will create.
7108 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7110 * alpha.md (extxl+1,+2): New patterns to work around
7113 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7115 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7116 caused bad assembly code to be generated.
7118 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7120 * netbsd.h: Fix typo.
7122 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7124 * config.sub: Fix typo.
7126 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7128 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7130 (Running Protoize): Typo: Change "ther" into "other".
7132 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7134 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7135 * m68k/netbsd.h: Likewise.
7136 * ns32k/netbsd.h: Likewise.
7137 * sparc/netbsd.h: Likewise.
7139 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7141 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7142 * ginclude/va-clipper.h (va_list): Likewise.
7144 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7146 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7147 load/store multiple instructions unless user overrides.
7149 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7151 * ns32k/netbsd.h: Fix typo.
7153 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7155 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7156 labels with .debugsym if no parallel insns.
7158 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7160 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7161 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7163 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7165 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7166 (AR_FOR_TARGET): Define.
7168 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7170 * dyn-string.h: New file.
7171 * dyn-string.c: Likewise.
7172 * Makefile.in (OBJS): Add dyn-string.o.
7173 (dwarf2out.o): Add dyn-string.h dependency.
7174 (dyn-string.o): List dependencies.
7175 * dwarf2out.c: Include dyn-string.h.
7176 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7177 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7178 prototype. Use dyn_string_append rather than strcat, throughout.
7179 (addr_to_string): Use dyn_string_t.
7181 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7183 Function entry/exit profiling instrumentation:
7184 * expr.h (profile_function_entry_libfunc,
7185 profile_function_exit_libfunc): Declare new variables.
7186 * optabs.c: Define them here.
7187 (init_optabs): Initialize them.
7188 * tree.h (struct tree_decl): New flag
7189 no_instrument_function_entry_exit.
7190 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7191 * c-decl.c (duplicate_decls): Merge it.
7192 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7193 (init_attributes): Use it for "no_instrument_function".
7194 (decl_attributes): Handle it, for functions that have not yet been
7195 compiled. Set decl flag.
7196 * flags.h (flag_instrument_function_entry_exit): Declare new
7198 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7199 (f_options): New option "instrument-functions".
7200 * function.h (struct function): New field instrument_entry_exit.
7201 * function.c (current_function_instrument_entry_exit): New
7203 (push_function_context_to, pop_function_context_from): Save and
7205 (expand_function_start): Set current_ variable, maybe emit return
7206 label and entry profile call.
7207 (expand_function_end): Maybe emit exit profile call.
7209 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7211 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7212 NON_QI_REG_P, pretend the register is SImode.
7214 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7216 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7217 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7218 manufacturer id for ns32k.
7219 * configure: Regenerated.
7220 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7221 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7222 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7223 * config/m68k/netbsd.h: Same.
7224 * config/ns32k/netbsd.h: Same.
7225 * config/sparc/netbsd.h: Same.
7227 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7229 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7230 or UNROLL_COMPLETELY loop that starts with a jump to its
7233 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7235 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7236 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7237 (print_operand, case 'B'): Don't fall through.
7238 (print_operand, case 'S'): Correct mask begin/end computation.
7239 Use HOST_BITS_PER_WIDE_INT.
7240 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7241 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7242 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7243 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7245 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7247 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7248 constraint from second alternative.
7250 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7252 * configure.in: Fix --without/--disable cases for local-prefix,
7253 gxx-include-dir and checking.
7255 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7257 * configure.in (enable_haifa): Set by default for sparc64 too.
7260 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7262 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
7263 * i386/winnt.c (associated_type): New fn.
7264 (i386_pe_valid_type_attribute_p): New fn.
7265 (i386_pe_check_vtable_importexport): Remove.
7266 (i386_pe_dllexport_p): Use associated_type.
7267 (i386_pe_dllimport_p): Likewise.
7269 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
7270 * i386.c (i386_valid_type_attribute_p): Also accept
7271 attributes for METHOD_TYPEs.
7273 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
7275 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
7277 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
7279 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
7281 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
7282 them from generating a new base name for each occurence of
7285 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
7287 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
7289 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
7293 * cplus-dem.c (type_kind_t): New type.
7294 (demangle_template_value_parm): Add type_kind_t parameter. Rely
7295 on this paramter, rather than demangling the type again.
7296 (demangle_integral_value): Pass tk_integral.
7297 (demangle_template_: Pass the value returned from do_type.
7298 (do_type): Return a type_kind_t. Pass tk_integral to
7299 demangle_template_value_parm for array bounds.
7300 (demangle_fund_type): Likewise.
7302 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
7304 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
7307 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
7309 * pa.c (move_operand): Accept CONSTANT_P_RTX.
7311 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
7313 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
7315 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
7318 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
7320 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
7321 (DEBUGGER_ARG_OFFSET): Likewise.
7323 * mn10300.md (movsf): Remove last change. Not needed.
7325 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
7327 * c-lex.c (yylex): Fix boundary conditions in character literal and
7328 string literal loops.
7330 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
7332 * longlong.h (count_leading_zeros): Sparclite scan instruction was
7333 being invoked incorrectly.
7335 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
7336 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
7338 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
7339 * configure.in: Added i[34567]86-*-win32
7340 * config.sub: Ditto.
7341 * configure: Rebuilt.
7343 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
7345 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
7346 the frame pointer and compiling PIC code and reload has not completed.
7348 * i386.c (output_to_reg): Add code to emulate non-popping DImode
7351 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
7353 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
7355 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7357 * Makefile.in (install-info): Only try to update the info
7358 directory file if it exists in the first place.
7360 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
7362 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
7364 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
7366 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
7367 CONST_DOUBLE source.
7369 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
7371 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
7372 strings as the insertion of USER_LABEL_PREFIX.
7373 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
7375 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
7378 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
7380 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
7381 already defined type.
7383 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
7385 * expr.c (check_max_integer_computation_mode): Allow conversions
7386 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
7387 (expand_expr): Likewise.
7389 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7391 * expr.c (expand_expr): Expand RETURN_EXPR.
7393 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
7395 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
7397 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
7399 * dwarf2out.c (output_aranges): Call stripattributes
7400 for TEXT_SECTION references.
7401 (output_line_info): Likewise.
7403 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7405 * profile.c (branch_prob): Call allocate_reg_info after outputting
7406 profile rtl in instrument_arcs.
7408 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
7410 * fixinc.irix (math.h): Install wrapper instead of copying.
7412 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7414 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
7415 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
7416 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
7417 lang_flag_0. Added documentation in the flag table.
7419 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
7421 * cccp.c (do_include): Fix vax c style include handling.
7423 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
7425 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
7427 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
7429 * fold-const.c (non_lvalue): Don't deal with null pointer
7431 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7433 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
7435 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
7436 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
7437 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
7438 (u_short_cint_operand): Same.
7439 (reg_or_cint_operand): Same.
7440 (logical_operand): Same.
7441 (input_operand): Same.
7442 (reg_or_short_operand): Use u_short_cint_operand.
7444 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
7446 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
7447 but keep the insns and splits. Adjust so when the ultimate destination
7448 is memory, use cvtql.
7450 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
7452 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
7454 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
7456 * gcc.c (do_spec): Call "error" not "warning".
7458 * configure.in: Fix minor problems with gas feature detection code.
7459 * configure: Rebuilt.
7461 * gcc.c (do_spec): Issue a warning for '%[]' usage.
7464 * gcc.c: Delete %[spec] support.
7465 (do_spec_1, case '('): Likewise.
7466 (do_spec_1, case '['): Call error.
7468 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
7470 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
7471 (CPP_SUBTARGET_SPEC): Default to empty string.
7472 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
7473 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
7474 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
7475 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
7477 * alpha/linux.h (CPP_PREDEFINES): Tidy.
7478 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
7479 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
7480 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
7481 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
7482 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
7483 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
7484 * alpha/vxworks.h: Likewise.
7486 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
7488 * mips.md (reload_outsi): Added missing REGNO call.
7489 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
7491 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
7492 another match_operator and compare the codes.
7494 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
7496 * MIPS multiply pattern fixes:
7497 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7498 Add union classes for HI, LO, or HILO plus general registers.
7499 (GENERATE_MADD): Deleted.
7500 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
7501 Add TARGET_MAD to condition.
7502 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
7503 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
7504 "*d" for accumulator, to give preference to LO initially but not
7507 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
7509 * configure.in (enable_c_mbchar): New configure option.
7510 (extra_cpp_objs): Always available now.
7512 * cexp.y (mbchar.h): #include it.
7513 (yylex): Handle Multibyte characters in character literals.
7515 * cccp.c (mbchar.h): #include it.
7516 (main): Set character set based on LANG environment variable.
7517 (rescan): Handle multibyte characters in comments.
7518 (skip_if_group): See above.
7519 (validate_else): See above.
7520 (skip_to_end_of_comment): See above.
7521 (macarg1): See above.
7522 (discard_comments): See above.
7523 (rescan): Handle multibyte characters in string and character literals.
7524 (collect_expansion): See above.
7525 (skip_quoted_string): See above.
7526 (macroexpand): See above.
7527 (macarg1): See above.
7528 (discard_comments): See above.
7529 (change_newlines): See above.
7531 * c-lex.c (mbchar.h): #include it.
7532 (GET_ENVIRONMENT): New macro.
7533 (init_lex): Set character set based on LANG environment variable.
7534 (yylex): Handle multibyte characters in character literals.
7535 (yylex): Handle multibyte characters in string literals.
7537 * Makefile.in (mbchar.o): New target.
7538 (cccp$(exeext)): @extra_cpp_objs@ is always available.
7539 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
7541 * mbchar.[ch]: New files for multibyte character handling.
7543 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7545 * jump.c (jump_optimize): When simplifying noop moves and
7546 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
7547 the PUSHes to rewrite in second loop as we did in the first.
7549 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7551 * cplus-dem.c (demangle_nested_args): Make function definition
7552 static to match the prototype.
7554 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
7556 * alloca.c: Respect USE_C_ALLOCA.
7557 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
7558 * gengenrtl.c (xmalloc): Likewise.
7560 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
7562 * loop.h (struct induction): Add no_const_addval.
7563 * loop.c (the_movables, reg_address_cost): New variables.
7564 (init_loop): Init reg_address_cost.
7565 (loop_optimize): Call end_alias_analysis.
7566 (scan_loop): Init the_movables.
7567 (record_giv): Init induction->no_const_addval.
7568 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
7569 [REG]: Rearrange loop search test to catch more cases.
7570 (general_induction_var): Return success not benefit; take an extra
7571 argument for that. Change all callers.
7572 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
7573 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
7574 [default]: Search the_movables for additional combinations.
7575 (sge_plus_constant, sge_plus): New functions.
7576 (express_from_1): New function.
7577 (express_from): Always define. Rewrite using express_from_1.
7578 (combine_givs_p): Handle more cases. Ignore address cost.
7579 (cmp_combine_givs_stats): New function.
7580 (combine_givs_used_once, combine_givs_benefit_from): New functions.
7581 (combine_givs): Rewrite to do best-fit combination.
7583 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
7584 (fold): Do a complete (A*C)+(B*C) association check.
7586 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
7588 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
7590 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
7592 * mn10300.c (MODES_TIEABLE_P): Fix typo.
7594 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
7596 * tree.c (valid_machine_attribute): Only create a new type variant if
7597 there is a decl to use it.
7599 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
7601 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
7604 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
7606 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
7609 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
7611 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
7612 Simplify tests for clearing an address register.
7613 (expand_prologue): Corresponding changes.
7615 * mn10300.md (movXX patterns): Make sure the destination is an
7616 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
7617 (logical patterns): Split into expanders + patterns
7618 (zero and sign extension patterns): Similarly.
7619 (shift patterns): Similarly.
7621 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
7623 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
7624 for the sequence, recording base values.
7626 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
7628 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
7630 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
7632 * gcc.c: Remove ANSI-C ism from --help code.
7634 * toplev.c: Support --help with USE_CPPLIB.
7636 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
7638 * configure.in: Rework gas feature code to work with symlink based
7641 * extend.texi: Clarify some issues related to local variables
7642 assigned to explicit registers.
7644 * mn10300.md (mulsi): Turn into expander + pattern.
7646 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
7649 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
7651 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
7653 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
7655 * version.c: Bump again to distinguish mainline tree from the
7658 See ChangeLog.0 for earlier changes.
7661 add-log-time-format: current-time-string
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