1 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
3 * function.c (gen_mem_addressof): If the address REG is
4 REG_USERVAR_P make the new REG be so also.
5 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
6 in an attempt to clarify slightly.
8 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
10 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
11 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
13 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
15 * toplev.c: Fix last patch.
17 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
19 * loop.c (get_condition): Fix typo in May 9 change.
21 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
23 * invoke.texi (-fexceptions): Merge 2 different descriptions.
25 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27 * toplev.c (documented_lang_options): Spelling corrections.
29 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
31 * configure.in: new flags --with-ld and --with-as, equivalent
32 to setting LD and AS environment variables. Test whether
33 specified arguments are GNU commands, and report them with
34 checking messages. Use the specified AS for configure
37 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
39 * gcc.c (find_a_file): when looking for `as' and `ld', return
40 the DEFAULT program if it exists
41 * collect2.c (main): use DEFAULT_LINKER if it exists
43 * gcc.c (find_a_file): the test for existence of a full
46 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
48 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
49 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
51 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
53 * tree.h (TYPE_BINFO): Document.
55 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
57 * i386-coff.h (dbxcoff.h): Added.
59 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
61 * toplev.c: fix bad patch around flag_data_sections.
63 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
65 * reload1.c (reload): Use reload_address_index_reg_class and
66 reload_address_base_reg_class when setting
67 caller_save_spill_class. (Patch generated by Jim Wilson:
70 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
72 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
73 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
74 * expr.c (store_field): Add alias_set parameter. Set the
75 MEM_ALIAS_SET accordingly, if the target is a MEM.
76 (expand_assignment): Use it.
77 (store_constructor_field): Pass 0.
78 (expand_expr): Likewise.
80 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
82 * flags.h: Add flag_data_sections.
83 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
84 (compile_file): Error if flag_data_sections not supported.
85 * varasm.c (assemble_variable): Handle flag_data_sections.
86 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
87 * config/mips/elf.h: Likewise.
88 * config/mips/elf64.h: Likewise.
89 * invoke.texi: Describe -fdata-sections.
91 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
93 * invoke.texi (-ffloat-store): Clarify that this option
94 does not affect intermediate results -- only variables.
96 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
98 * cpp.texi: Update for Fortran usage from Craig.
100 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
102 * rs6000.c (function_arg_boundary): Revert accidental change on
105 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
107 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
108 (output_mi_thunk): Declare.
110 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
111 (output_function_profiler): Use r12 for temp, instead of r11 so
112 that we preserve the static chain register.
114 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
116 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
118 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
120 * sh.c (gen_shl_sext): Fix case 5.
122 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
124 * reload1.c (reload_combine): Re-add line that got accidentally lost.
126 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
128 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
129 accessing variables until they are initialized via va_arg().
131 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
133 * reload1.c (reload_combine): Initialize set before using.
135 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
137 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
140 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
142 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
143 operand3 with mask before using it. Patch provided by Jim Wilson.
145 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
147 * config/sparc/sparc.c (function_value): Perform the equivalent of
148 PROMOTE_MODE for ARCH64.
149 (eligible_for_epilogue_delay): Allow DImode operations in delay
150 slot of a return for ARCH64.
152 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
154 * sh.md (sqrtsf2): Fix mode of sqrt.
156 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
158 * reload1.c (choose_reload_regs): Also try inheritance when
159 reload_in is a stack slot of a pseudo, even if we already got a
162 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
164 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
165 (reload_cse_regs): New function body: call reload_cse_regs_1,
166 reload_combine, reload_cse_move2add.
167 When doing expensive_optimizations, call reload_cse_regs_1 a
168 second time after reload_cse_move2add.
169 (reload_combine, reload_combine_note_store): New functions.
170 (reload_combine_note_use): New function.
171 (reload_cse_move2add, move2add_note_store): New functions.
173 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
175 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
176 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
178 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
179 more than 3 such reloads.
181 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
182 RELOAD_FOR_X_ADDR_ADDR reload.
184 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
186 * expr.c (store_constructor): When initializing a field that is smaller
187 than a word, at the start of a word, try to widen it to a full word.
189 * cse.c (cse_insn): When we are about to change a register,
190 remove any invalid references to it.
192 (remove_invalid_subreg_refs): New function.
193 (mention_regs): Special treatment for SUBREGs.
194 (insert_regs): Don't strip SUBREG for call to mention_regs.
195 Check if reg_tick needs to be bumped up before that call.
196 (lookup_as_function): Try to match known word_mode constants when
197 looking for a norrower constant.
198 (canon_hash): Special treatment for SUBREGs.
200 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
202 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
203 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
204 defined, emit libcall to __enable_execute_stack. Also fix opcodes
205 and offsets in actual stack trampoline code so they match the
206 commentary and actually work.
208 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
210 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
212 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
213 tmake_file. Set extra_parts to needed crt objects.
214 * configure: Rebuilt.
215 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
216 (TARGET_DEFAULT): Set if default is v9 or ultra.
217 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
218 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
219 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
220 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
221 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
222 (TARGET_VERSION): Define.
223 (MULTILIB_DEFAULT): Define.
224 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
225 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
226 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
228 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
229 * config/sparc/sparc.c (sparc_override_options): If arch and
230 pointer size disagree, emit diagnostic and fix it up. If
231 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
232 V8PLUS in 64-bit mode.
233 * config/sparc/t-linux64: New file.
234 * config/sparc/t-sol2-64: New file.
235 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
236 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
237 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
238 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
239 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
240 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
242 (STARTFILE_SPEC): Set approriately based upon those.
243 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
244 disposition of DEFAULT_ARCH32_P.
245 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
246 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
247 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
248 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
249 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
251 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
253 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
255 * rtl.h (init_virtual_regs): New function.
256 * emit-rtl.c (init_virtual_regs): Define.
258 * integrate.c (save_for_inline_copying): Likewise.
260 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
262 * config/arm/thumb.h: The following patches were made by Jim Wilson:
263 (enum reg_class): Add NONARG_LO_REGS support.
264 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
265 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
266 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
267 completes. Re-enable HImode REG+OFFSET addresses.
268 (LEGITIMIZE_RELOAD_ADDRESS): Define.
270 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
272 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
274 * alpha.c (get_aligned_mem): Revert Sep 20 change.
275 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
276 (alpha_align_insns): Properly calculate initial offset wrt max_align.
278 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
280 * arm.c (find_barrier): Revert change of Apr 23. Handle table
281 jumps as a single entity, taking into account the size of the
284 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
286 * tree.def (SWITCH_EXPR): New tree node definition.
288 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
290 * version.c: Bump for snapshot.
292 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
294 * version.c: Bump for snapshot.
296 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
298 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
301 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
304 * reload.c (find_reloads): Do not replace a pseudo with
305 (MEM (reg_equiv_addr)) in the initializing insn for the
308 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
310 * final.c (final_scan_insn): Disable tracking CC across branches.
312 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
314 * expr.h (eh_rtime_match_libfunc): New extern declaration.
315 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
316 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
317 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
318 NULL. Only include <stdio.h> if inhibit_libc is not defined.
320 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
322 * toplev.c (rest_of_compilation): Skip compiling anything with
323 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
325 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
327 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
328 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
329 use in_libcall_block.
330 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
331 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
334 Mon Sep 21 14:02:23 1998
336 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
337 typo in no-fancy-math-387 description.
339 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
341 * version.c: Bump for snapshot.
343 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
345 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
347 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
349 * i386.h: (TARGET_SWITCHES) Add description fields for flags
350 documented in install.texi.
351 (TARGET_OPTIONS) Likewise.
353 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
355 * version.c: Bump for snapshot.
357 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
359 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
360 * cccp.c (main): Likewise.
362 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
363 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
366 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
368 * Makefile.in (LIBS): Link in libiberty.a.
369 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
371 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
373 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
374 it to update bb boundaries. Update caller.
375 * function.c (reposition_prologue_and_epilogue_notes): Update
376 bb boundaries wrt the moved note.
378 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
380 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
382 * configure: Regenerate.
384 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
386 * alpha.c (alpha_sr_alias_set): New variable.
387 (override_options): Set it.
388 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
389 (mode_mask_operand): Fix signed-unsigned comparision warning.
390 (alpha_expand_block_move): Likewise.
391 (print_operand): Likewise.
392 (get_aligned_mem): Use change_address.
393 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
394 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
395 (alphaev4_next_nop, alphaev5_next_nop): New functions.
396 (alpha_align_insns): Remade from old alphaev5_align_insns
397 to handle multiple processors.
398 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
399 * output.h (label_to_alignment): Prototype.
401 * tree.c (new_alias_set): New function.
402 * tree.h (new_alias_set): Declare it.
403 * c-common.c (c_get_alias_set): Use it.
405 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
407 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
408 to an ABS expr, convert an unsigned input to signed.
410 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
412 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
414 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
416 * configure.in: Add support for c4x targets.
417 * configure: Rebuilt.
419 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
421 * combine.c (distribute_notes): If an insn is a cc0 user, only
422 delete it if we can also delete the cc0 setter.
424 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
426 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
427 (invert_truthvalue): Enable truthvalue inversion for
428 floating-point operands if -ffast-math.
430 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
432 * configure.in: Disable collect2 for nextstep. Instead use
434 * configure: Rebuilt.
435 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
436 (ENDFILE_SPEC): Define.
437 (OBJECT_FORMAT_MACHO): Define.
438 (EH_FRAME_SECTION_ASM_OP): Define.
439 * crtstuff.c: Handle MACHO.
441 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
443 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
445 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
447 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
448 (_fpadd_parts): Get sign right for 0.
450 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
452 * ginclude/varargs.h: Add support for C4x target.
453 * ginclude/stdargs.h: Likewise.
455 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
457 * alpha.c (alpha_return_addr): SET should be VOIDmode.
458 (alpha_emit_set_long_const): Rewrite to be callable from reload
460 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
461 * alpha.md (movdi): Likewise.
463 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
465 * arm.c (add_constant): New parameter address_only, change caller.
466 Set it non-zero if taking the address of an item in the pool.
467 (arm_reorg): Handle cases where we need the address of an item in
470 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
472 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
473 memory addresses that are not in standard canonical form.
475 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
477 * README.C4X: New file with information about the c4x ports.
478 * ginclude/va-c4x.h: New file for c4x varargs support.
479 * config/c4x: New directory with c4x port files.
481 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
483 * reload.c (find_reloads): Do not replace a pseudo with
484 (MEM (reg_equiv_addr)) in the initializing insn for the
487 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
489 * toplev.c (rest_of_compilation): Set bct_p on second call to
491 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
493 (strength_reduce): Only call analyze_loop_iterations and
494 insert_bct if bct_p set.
495 (check_dbra_loop): Fix typo.
496 (insert_bct): Use word_mode instead of SImode.
497 (instrument_loop_bct): Likewise. Do not delete iteration count
498 condition code generation insn. Initialize iteration count before
500 * rtl.h (loop_optimize): Update prototype.
502 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
503 not doubleword aligned.
505 * rs6000.c (optimization_options): New function.
506 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
507 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
508 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
509 first; cr1 can be used for FP record condition insns.
511 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
513 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
516 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
519 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
521 (block_move_call): New function: Call a library routine to copy a
523 (m32r_expand_block_move): New function: Expand a "movstrsi"
524 pattern into a sequence of insns.
525 (m32r_output_block_move): New function: Expand a
526 "movstrsi_internal" pattern into a sequence of assembler opcodes.
527 (m32r_block_immediate_operand): New function: Return true if the
528 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
530 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
532 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
534 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
536 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
538 * regmove.c (copy_src_to_dest): Check that modes match.
540 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
542 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
544 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
546 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
547 narrower than FLOAT_REGS.
549 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
551 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
553 * Makefile.in (old_gxx_include_dir): removed
555 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
557 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
560 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
561 (sh_handle_pragma): Change function arguments to match new
562 specification for HANDLE_PRAGMA.
564 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
566 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
568 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
569 When generating output, initialize missing struct member to zero.
571 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
573 * regmove.c (copy_src_to_dest): Don't copy if that requires
576 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
578 * global.c (reg_allocno): Now static.
579 * reload1.c (reg_allocno): Delete declaration.
580 (order_regs_for_reload): Take no arguments. Don't treat regs
581 allocated by global differently than those allocated by local-alloc.
583 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
585 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
586 condition, fix format strings.
587 (output_function_epilogue): Likewise.
589 * m68k/m68k.c: Don't include <stdlib.h> directly.
591 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
593 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
594 mem_first_set, mem_last_set; because 0 can be a CUID.
595 (oprs_unchanged_p): Use new definition.
596 (record_last_reg_set_info): Likewise.
597 (record_last_mem_set_info): Likewise.
598 (compute_hash_table): Likewise.
600 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
602 * rs6000.c (output_epilogue): Handle Chill.
604 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
605 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
607 * combine.c (make_extraction): If no mode is specified for
608 an operand of insv, extv, or extzv, default it to word_mode.
609 (simplify_comparison): Similarly.
610 * expmed.c (store_bit_field): Similarly.
611 (extract_bit_field): Similarly.
612 * function.c (fixup_var_regs_1): Similarly.
613 * recog.c (validate_replace_rtx_1): Similarly.
614 * mips.md (extv, extzv, insv expanders): Default modes for most
615 operands. Handle TARGET_64BIT.
616 (movdi_uld, movdi_usd): New patterns.
618 * pa.c (emit_move_sequence): Do not replace a pseudo with its
619 equivalent memory location unless we have been provided a scratch
620 register. Similarly do not call find_replacement unless a
621 scratch register has been provided.
623 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
625 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
628 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
630 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
631 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
632 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
633 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
634 * c-decl.c (init_decl_processing): Update accordingly.
635 * expr.c (expand_builtin): Likewise.
637 * rtl.h (global_rtl): Add cfa entry.
638 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
639 (LAST_VIRTUAL_REGISTER): Update.
640 * emit-rtl.c (global_rtl): Add cfa entry.
641 (init_emit): Initialize it.
642 * function.c (cfa_offset): New.
643 (instantiate_virtual_regs): Initialize it.
644 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
645 (expand_function_end): Call expand_eh_return.
646 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
648 * except.c (current_function_eh_stub_label): Kill.
649 (current_function_eh_old_stub_label): Likwise; update all references.
650 (expand_builtin_set_return_addr_reg): Kill.
651 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
652 (expand_builtin_set_eh_regs): Kill.
653 (eh_regs): Produce a third reg for the actual handler address.
654 (eh_return_context, eh_return_stack_adjust): New.
655 (eh_return_handler, eh_return_stub_label): New.
656 (init_eh_for_function): Initialize them.
657 (expand_builtin_eh_return, expand_eh_return): New.
658 * except.h: Update prototypes.
659 * flow.c (find_basic_blocks_1): Update references to the stub label.
660 * function.h (struct function): Kill stub label elements.
662 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
663 register number is one that would be in the previous window.
664 Provide a dummy definition for non-windowed targets.
665 (get_reg_addr): New function.
666 (get_reg, put_reg, copy_reg): Use it.
667 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
668 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
670 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
671 (alpha_init_expanders): Initialize it.
672 (alpha_expand_epilogue): Use it.
673 * alpha.h: Declare it.
674 * alpha.md (eh_epilogue): New.
676 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
677 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
679 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
681 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
684 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
686 * except.h (struct eh_entry): Add false_label field.
687 (end_catch_handler): Add prototype.
688 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
689 (start_catch_handler): When using old style exceptions, issue
690 runtime typematch code before continuing with the handler.
691 (end_catch_handler): New function, generates label after handler
692 if needed by older style exceptions.
693 (expand_start_all_catch): No need to check for new style exceptions.
694 (output_exception_table_entry): Only output the first handler label
695 for old style exceptions.
696 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
697 mechanism into one function, if a runtime matcher is provided.
699 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
701 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
703 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
705 * integrate.c (copy_decl_list): Fix typo.
707 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
709 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
712 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
714 * version.c: Bump for snapshot.
716 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
718 * version.c: Bump for snapshot.
720 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
722 * version.c: Bump for snapshot.
724 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
726 * invoke.texi (C Dialect Options): Put back missing @end itemize.
728 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
730 * configure.in: remove usage of `!' to negate the result of a
731 command; some common shells do not support it
733 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
735 * configure.in: in sparc9-sol2 config, use 'if test' not
737 * configure: Rebuilt.
739 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
741 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
742 (CPP_CPU_DEFAULT_SPEC): Likewise.
743 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
746 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
749 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
751 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
753 * collect2.c: Don't declare `sys_siglist' here.
754 (my_strsignal): Prototype and define new function. Use it in
755 place of `sys_siglist' hacks.
757 * mips_tfile.c: Likewise.
759 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
760 (GCC_NEED_DECLARATIONS): Likewise.
762 * system.h (strsignal): Prototype it, if necessary.
763 (sys_siglist): Declare it, if necessary.
765 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
767 * loop.c (move_movables): While removing insn sequences, preserve
768 the next pointer of the most recently deleted insn when we skip
771 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
773 * objc/config-lang.in: Do not output the name of the selected
774 thread file when building the front-end. The Makefile for the
775 runtime library will do this.
777 * objc/Make-lang.in: Do not build the runtime library or install
778 the Objective C header files. The Makefile for the runtime
779 library will do this.
781 * objc/Makefile.in (all.indirect): Only build the front-end.
782 (compiler): Rename to `frontend'.
783 (obj-runtime): Remove target.
784 (copy-headers): Likewise.
785 (clean): No need to remove `libobjc.a' any longer.
787 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
789 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
790 supported with -mcpu=xxx.
792 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
794 * flow.c (mark_set_1): Recognize multi-register structure return
795 values in CALL insns.
796 (mark_used_regs): Likewise.
797 (count_reg_sets_1): Likewise.
798 (count_reg_references): Likewise.
799 * rtlanal.c (note_stores): Likewise.
800 (reg_overlap_mentioned_p): Likewise.
801 * haifa-sched.c (check_live_1): Likewise.
802 (update_live_1): Likewise.
803 (sched_analyze_1): Likewise.
804 (sched_note_set): Likewise.
805 (birthing_insn_p): Likewise.
806 (attach_deaths): Likewise.
808 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
811 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
813 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
815 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
817 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
819 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
821 * configure.in: Add check for GAS subsection -1 support.
822 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
823 * configure config.in: Rebuilt.
824 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
825 SImode is subsection -1 works, else use DImode.
826 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
828 * config/sparc/sparc.c (sparc_output_addr_vec,
829 sparc_output_addr_diff_vec): Use them if defined.
831 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
833 * tree.h (DECL_ORIGIN): New macro.
834 * integrate.c (copy_and_set_decl_abstract_origin): New function.
835 (copy_decl_list): Use it.
836 (integrate_parm_decls): Likewise.
837 (integrate_decl_tree): Likewise.
838 * dwarf2out.c (decl_ultimate_origin): Simplify.
839 * dwarfout.c (decl_ultimate_origin): Likewise.
840 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
841 (pushdecl): Likewise.
843 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
845 * config/rs6000/rs6000.c (output_epilog): Add Java support.
847 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
849 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
851 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
853 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
854 empty or has a single entry.
856 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
857 before calling reg_to_stack.
859 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
861 * alpha.c (alphaev5_insn_pipe): Abort on default case.
862 (alphaev5_next_group): Swallow CLOBBERs and USEs.
864 * c-tree.h (warn_long_long): Declare it.
866 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
868 * emit-rtl.c (gen_lowpart_common): Disable optimization of
869 initialized float-int union if the value is a NaN.
871 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
873 * c-lex.c (real_yylex): Don't warn about long long constants if
874 we're allowing long long
876 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
878 * except.h (current_function_eh_stub_label): Declare.
879 (current_function_eh_old_stub_label): Declare.
880 * function.h (struct function): New members eh_stub_label and
882 * except.c (current_function_eh_stub_label): New variable.
883 (current_function_eh_old_stub_label): New variable.
884 (init_eh_for_function): Clear them.
885 (save_eh_status): Save them.
886 (restore_eh_status): Restore them.
887 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
888 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
889 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
890 make an edge from the block that contains it to the block starting
891 with the label if this label is one of the eh stub labels.
892 If eh stub labels exist, show they are reachable from the last block
895 * reload1.c (reload): Break out several subroutines and make some
897 (calculate_needs_all_insns): New function, broken out of reload.
898 (calculate_needs): Likewise.
899 (find_reload_regs): Likewise.
900 (find_group): Likewise.
901 (find_tworeg_group): Likewise.
902 (something_needs_reloads): New global variable, formerly in reload.
903 (something_needs_elimination): Likewise.
904 (caller_save_spill_class): Likewise.
905 (caller_save_group_size): Likewise.
906 (max_needs): Likewise.
907 (group_size): Likewise.
908 (max_groups): Likewise.
909 (max_nongroups): Likewise.
910 (group_mode): Likewise.
911 (max_needs_insn): Likewise.
912 (max_groups_insn): Likewise.
913 (max_nongroups_insn): Likewise.
916 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
918 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
920 * loop.c (load_mems): Copy rtx for output mem.
922 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
924 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
925 mips1 or mips2 either.
927 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
929 * pa.c (pa_reorg): New marking scheme for jumps inside switch
931 (pa_adjust_insn_length): Update to work with new marking scheme
932 for jumps inside switch tables.
933 * pa.md (switch_jump): Remove pattern.
934 (jump): Handle jumps inside jump tables.
936 * Makefile.in (profile.o): Depend on insn-config.h
938 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
940 * iris6.h (DWARF2_UNWIND_INFO): Undef.
942 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
944 Add preliminary native sparcv9 Solaris support.
945 * configure.in: Recognize sparv9-*-solaris2*
947 * config.sub: Recognize sparcv9 just like sparc64.
948 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
949 config/sparc/sol2-cn.asm: Macroize so it can be shared between
950 32-bit and 64-bit Solaris systems.
951 * config/sparc/t-sol2: Assemble those with cpp.
952 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
953 (*TF*_LIBCALL): If ARCH64 use V9 names.
954 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
956 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
958 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
959 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
961 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
963 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
964 to Pmode if CASE_VECTOR_MODE is something else.
966 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
968 * prefix.c (update_path): Correctly handle cases where PATH is
969 a substring of the builtin prefix, but specifies a different
972 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
974 * expr.c: Corrected comment about what MOVE_RATIO does.
975 * config/alpha/alpha.h: Ditto.
976 * config/1750a/1750a.h: Ditto.
977 * config/clipper/clipper.h: Ditto.
978 * config/i386/i386.h: Ditto.
980 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
982 * configure.in (m68k-next-nextstep3*): Use collect2.
983 Similarly for x86 NeXT configurations.
984 * configure: Rebuilt.
986 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
988 * configure.in: Don't assume srcdir is .../gcc
989 * configure: Rebuilt.
991 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
993 * global.c: Update comments.
994 (global_alloc): Assign allocation-numbers
995 even for registers allocated by local_alloc in case
996 they are later spilled and retry_global_alloc is called.
997 (mark_reg_store, mark_reg_clobber,
998 mark_reg_conflicts, mark_reg_death): Always record a
999 conflict with a pseudo register even if it has been
1000 assigned to a hard register.
1001 (dump_conflicts): Don't list pseudo registers already assigned to
1002 a hard register as needing to be allocated, but do list their
1004 * local-alloc.c: Update comment.
1006 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
1008 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
1009 * configure: Rebuilt.
1011 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
1013 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
1015 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
1016 for all targets that set -msoft-float.
1018 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1020 * toplev.c (print_switch_values): Make static to match prototype.
1022 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
1024 * configure.in: If we are unable to find the "gnatbind" program,
1025 then do not configure the ada subdir.
1026 * configure: Rebuilt.
1028 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
1030 * version.c: Bump for snapshot.
1032 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
1034 * version.c: Bump for snapshot.
1036 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1038 * Makefile.in (toplev.o): Depend on $(EXPR_H).
1039 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
1041 * gansidecl.h: Define ATTRIBUTE_NORETURN.
1043 * genattrtab.c: Have insn-attrtab.c include toplev.h.
1045 * genextract.c: Have insn-extract.c include toplev.h.
1047 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
1049 * toplev.c: Include expr.h.
1050 (really_sorry, fancy_abort): Remove prototypes.
1051 (set_target_switch): Add argument in prototype.
1052 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
1053 (v_really_sorry): Likewise.
1054 (print_version, print_single_switch, print_switch_values): Make
1055 static and add prototype arguments.
1056 (decl_printable_name): Add prototype arguments.
1057 (lang_expand_expr_t): New typedef.
1058 (lang_expand_expr): Declare as a lang_expand_expr_t.
1059 (incomplete_decl_finalize_hook): Add prototype argument.
1060 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
1061 (botch): Likewise for variable `s'.
1062 (rest_of_type_compilation): Mark variables `type' and `toplev'
1063 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
1064 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
1065 (display_help): Make variable `i' an `unsigned long'.
1066 (main): Remove unused parameter `envp'.
1067 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
1068 Cast -1 when comparing it with a `size_t'.
1070 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
1071 prototype with ATTRIBUTE_NORETURN.
1072 (fatal_insn_not_found, fatal_insn, really_sorry,
1073 push_float_handler, pop_float_handler): Add prototypes.
1074 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
1075 (do_abort, botch): Add prototypes.
1077 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
1079 * final.c (final): If a label is reached only from a single jump,
1080 call NOTICE_UPDATE_CC on the jump and its predecessor before
1081 emitting the insn after the label.
1083 * i386.h: Add AMD K6 support.
1084 Change TARGET_* macros to use table lookup.
1085 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
1086 (ADJUST_COST): Change definition to call function in i386.c.
1087 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
1088 * i386.c: Add AMD K6 support.
1089 Add constants for feature tests used by TARGET_* macros.
1090 (split_di): If before reload, call gen_lowpart and gen_highpart.
1091 (x86_adjust_cost): New function.
1092 (put_jump_code): New function.
1093 (print_operand): New codes 'D' and 'd'.
1094 * i386.md: New insn types. New insn attribute "memory".
1095 Redefine scheduling parameters to use new types and add AMD K6
1096 support. Explicitly set type of most insns.
1097 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
1098 Pro and K6 prefer movl $1,reg to incl reg.
1099 (adddi3, subdi3): Set cc_status.
1100 (DImode shift patterns): Change label counters from HOST_WIDE_INT
1101 to int; x86 can't have more than 2^31 DImode shifts per file.
1102 (setcc): Combine all setcc patterns. Allow writing memory.
1103 Combine all jump patterns using match_operator.
1104 (*bzero): Name pattern. Emit mutliple stos instructions when that
1105 is faster than rep stos.
1106 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
1109 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
1111 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
1114 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
1116 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
1117 not whatever we're generating now.
1119 * alpha.c (set_frame_related_p, FRP): New.
1120 (alpha_expand_prologue): Mark frame related insns.
1121 (alpha_expand_epilogue): Likewise, but with a null FRP.
1122 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
1123 * alpha.md (exception_receiver): New.
1124 * alpha/crtbegin.asm (.eh_frame): New beginning.
1125 (__do_frame_setup, __do_frame_takedown): New.
1126 * alpha/crtend.asm (.eh_frame): New ending.
1127 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
1128 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
1129 (ASM_FILE_START): Don't emit .file for dwarf2.
1131 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
1132 * rtl.c (reg_note_name): Likewise.
1133 * rtl.texi (REG_NOTES): Likewise.
1134 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
1137 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
1139 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
1140 * i386.md (movsf, movdf, movxf): Validate memory address returned
1141 from force_const_mem. Kill useless REG_EQUAL setting code.
1143 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
1145 * m68k.md (zero_extendsidi2): Fix typo.
1147 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
1149 * configure.in: Removed references to the removed file
1150 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
1151 * arm*-*-netbsd* and ns32k-*-netbsd*.
1152 * config/i386/xm-netbsd.h: Removed unnecessary file.
1153 * config/m68k/xm-netbsd.h: Likewise.
1154 * config/sparc/xm-netbsd.h: Likewise.
1155 * config/mips/xm-netbsd.h: Likewise.
1157 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
1159 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
1160 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
1162 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
1163 for exact section attributions.
1165 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
1167 * i386/crtdll.h (CPP_PREDEFINES): Define.
1169 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
1171 * m68k.md (5200 movqi): Do not allow byte sized memory references
1173 * m68k.c (output_move_qimode): Do not use byte sized operations on
1176 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
1177 explicit rules for building. Similarly for alloca, vfprintf,
1178 choose-temp and mkstemp, getopt, getopt1, and obstack.
1179 (INCLUDES): Add $(srcdir)/../include.
1180 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
1181 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
1183 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
1185 * gcc.c (do_spec_1): [case 'o'] Account for
1186 lang_specific_extra_outfiles.
1187 (main): Correctly clear all slots in outfiles for
1188 lang_specific_extra_outfiles. Set input_file_number before
1189 calling lang_specific_pre_link.
1191 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
1193 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
1195 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1197 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
1199 (sparc_output_deferred_case_vectors): If no work to do, return.
1200 Fix thinko in Sept 1 change.
1202 1998-09-03 SL Baur <steve@altair.xemacs.org>
1204 * Makefile.in: add semicolon in BISON definition for portability.
1206 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
1208 * config/nextstep.c (handle_pragma): Correct name of third
1211 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
1213 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
1214 * config/m32r/m32r.h: Make register 17 be fixed.
1215 * config/m32r/m32r.c: Use SImode for cc operations.
1217 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
1219 * invoke.texi (Warning Options): Add -Wnon-template-friend
1222 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
1224 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
1226 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
1228 * rs6000.md (movsf): Disable explicit secondary-reload-like
1229 functionality if TARGET_POWERPC64.
1230 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
1233 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
1235 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
1236 and term.h from fixinc.wrap.
1238 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1240 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
1241 safe to include both string.h and strings.h together.
1242 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
1243 which headers to search for function declarations. Continue to
1244 prefer string.h over strings.h when both are not acceptable.
1246 * acconfig.h (STRING_WITH_STRINGS): Add stub.
1248 * configure.in: Call GCC_HEADER_STRING.
1250 * system.h: Test STRING_WITH_STRINGS when deciding which headers
1251 to include. Continue to prefer string.h over strings.h when both
1254 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1256 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
1257 not assume top 32-bits of symbolic addresses are zero if
1260 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
1262 * ginclude/va-alpha.h: Protect entire second portion of the
1263 file against double inclusion.
1265 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
1267 Added support for the Boehm's garbage collector.
1268 * configure.in: Handle --enable-objc-gc.
1269 * configure: Rebuilt.
1270 * Makefile.in (CHECK_TARGETS): Add check-objc.
1271 (check-objc): New rule.
1272 * objc/Make-lang.in: Build a different Objective-C library that
1273 runs with the Boehm's collector.
1274 * objc/encoding.c (objc_round_acc_size_for_types): New function.
1275 * objc/encoding.c: Correctly compute the size of compound types in
1276 the presence of bitfields. Skip the variable name of the type if
1277 any. Added support for long long.
1278 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
1279 (_F_GCINVISIBLE): New mask.
1280 * objc/gc.c: New file. Compute the type memory mask associated with
1281 a class based on the runtime information.
1282 * objc/misc.c: Added the hooks that use the Boehm's collector
1283 allocation functions.
1284 * objc/objc-act.c (build_class_template): Generate a new class
1285 member (gc_object_type) to hold the class' type memory mask.
1286 (build_shared_structure_initializer): Initialize the new member to
1288 (encode_complete_bitfield): New function. Generate the new
1290 (encode_field_decl): Generate the new encoding only for the GNU
1292 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
1294 (class_get_gc_object_type): New function to mark a pointer instance
1295 variable as a weak pointer.
1296 * objc/objc-features.texi: New file.
1297 * objc/objc.h (gc_object_type): New class member.
1298 * objc/objects.c (class_create_instance): Create a typed memory
1299 object when compiled with Boehm's collector support.
1300 * objc/sendmsg.c (__objc_init_install_dtable): Call
1301 __objc_send_initialize instead of setting the initialize flag.
1302 (__objc_send_initialize): Call __objc_generate_gc_type_description
1303 to generate the class type memory mask. Rewrite the code that
1304 sends the +initialize so that it is called only once (bug report
1305 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
1306 * testsuite/objc: New testsuite for Objective-C type encoding.
1307 * testsuite/lib/objc-torture.exp: New file.
1308 * testsuite/lib/objc.exp: New file.
1310 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
1312 * jump.c (jump_optimize): In if/then/else transformations, add
1313 another call to modified_between_p for the jump insn.
1315 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
1317 * fix-header.c (symlink): Treat like readlink.
1319 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1321 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
1324 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
1326 * config/nextstep.h: Update HANDLE_PRAGMA macro.
1327 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
1328 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
1330 * config/nextstep.c (handle_pragma): Take three arguments, as per
1331 the new HANDLE_PRAGMA macro specification.
1332 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
1333 per the new HANDLE_PRAGMA macro specification.
1334 * config/i960/i960.c (process_pragma): Take three arguments, as
1335 per the new HANDLE_PRAGMA macro specification.
1337 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
1339 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
1340 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
1341 if unknown pragmas are encountered.
1342 (handle_sysv_pragma): Interpret return code from
1343 handle_pragma_token (). Return success/failure indication rather
1344 than next unprocessed character.
1345 (pragma_getc): New function: retrieves characters from the
1346 input stream. Defined when HANDLE_PRAGMA is enabled.
1347 (pragma_ungetc): New function: replaces characters back into the
1348 input stream. Defined when HANDLE_PRAGMA is enabled.
1350 * c-pragma.c (handle_pragma_token): Return success/failure status
1353 * c-pragma.h: Change prototype of handle_pragma_token().
1355 * varasm.c: (handle_pragma_weak): Only create this function if
1356 HANDLE_PRAGMA_WEAK is defined.
1358 * c-common,c (decl_attributes): If defined call the expression
1359 contained within the INSERT_ATTRIBUTES macro before adding
1360 attributes to a decl.
1362 * tm.texi (HANDLE_PRAGMA): Document the new verion of
1363 HANDLE_PRAGMA, which takes three arguments.
1364 (INSERT_ATTRIBUTES): Document this new macro.
1366 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
1367 new INSERT_ATTRIBUTES macro.
1369 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1371 * config/sparc/sparc.md (movdf): Only generate special RTL for
1372 LABEL_REFs when PIC.
1373 (move_label_di): Remove
1374 (movdi_pic_label_ref, movdi_high_pic_label_ref,
1375 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
1376 references when PIC.
1377 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
1378 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
1379 output an .xword for all 64-bit cases.
1381 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1383 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
1384 alignment, use FUNCTION_BOUNDARY instead.
1385 (sparc_output_deferred_case_vectors): Likewise.
1387 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1389 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
1390 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
1392 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
1394 * alpha/va_list.h: New file.
1395 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
1397 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
1399 * NEWS: Add SCO Openserver and Unixware 7 notes.
1403 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
1405 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
1406 (record_constant_1): Handle RANGE_EXPR.
1408 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
1410 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
1411 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
1412 and NOTE_INSN_RANGE_END specially.
1413 (reemit_notes): Likewise.
1415 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1417 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
1418 (ultrasparc_sched_init): Remove unneeded &.
1420 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1422 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
1423 for m68020-60, to prevent the use of fintrz.
1425 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
1427 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
1429 * Makefile.in: Likewise.
1430 * configure: Regenerated.
1432 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
1434 * configure.in (gxx_include_dir): Changed to
1435 '${prefix}/include/g++'-${libstdcxx_interface}.
1436 * configure: Rebuilt.
1438 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
1440 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
1442 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
1443 *sequences* *below* which scalar moves will be used.
1445 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
1447 * collect2.c (mktemp): Delete unused declaration.
1449 * config/xm-netbsd.h: Remove unnecessary file.
1450 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
1451 file anymore, it is not needed.
1453 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
1455 * convert.c (convert_to_integer): Issue an error on conversions to
1458 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
1460 * Makefile.in: Add lang_tree_files and gencheck.h.
1461 * configure.in: Generate them.
1462 * gencheck.c: Include gencheck.h.
1464 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1466 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
1467 movdi_lo_sum_pic and movdi_high_pic and make visible.
1468 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
1469 emit these when Pmode is not SImode.
1470 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
1472 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
1474 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
1475 .linkonce directive after the first time.
1477 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
1479 * m68k.md (beq0_di): Generate correct (and more efficient) code when
1480 the clobbered operand overlaps with an input.
1481 (bne0_di): Similarly.
1483 * Makefile.in (INSTALL): Remove "--no-header" argument.
1485 * NEWS: Various updates.
1487 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1489 * config/sparc/sparc.c (arith_operand, const64_operand,
1490 const64_high_operand, arith_double_4096_operand): Mark mode as
1492 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
1494 (sparc_emit_set_const64): Remove unused variable i.
1495 (sparc_splitdi_legitimate): Likewise for addr_part.
1496 (ultra_code_from_mask): Likewise for mask.
1497 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
1498 reverse return values so it matches usage and comments.
1499 (ultra_flush_pipeline): Likewise.
1500 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
1501 this_type, and allow loads and stores of differing FP modes as
1502 they do not create a conflict.
1503 (ultra_find_type): Initialize fpmode to SFmode, fix
1504 parenthesization thinkos in large conditional.
1505 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
1506 Init free_slot_mask after ultra_cur_hist is reset, not before.
1507 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
1508 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
1509 use ultra_flush_pipeline instead, then re-init group pointer.
1510 Fix statement with no effect. If no progress made in, and no
1511 instructions scheduled at all, advance to new pipeline cycle else
1512 we get into an endless loop.
1513 (ultrasparc_adjust_cost): Remove previous arg.
1514 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
1516 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
1518 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
1519 code. Use reg_overlap_mentioned_p to detect when source and
1520 destination overlap.
1521 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
1523 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
1525 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
1526 COMPARISON_VAL, into invariant_p.
1528 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1530 * regmove.c (regclass_compatible_p): New function.
1531 (regmove_optimize): Use it.
1533 Use NREGS parameter insted of calling max_reg_num.
1535 (fixup_match_1): Don't use code = MINUS when later tieing with
1536 a hard register is likely.
1538 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1540 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
1541 COMPARISON_VAL was normalized.
1543 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
1545 * loop.c (check_dbra_loop): The loop ending comparison value
1546 must be an invariant or we can not reverse the loop.
1548 * loop.c (scan_loop): Count down from max_reg_num - 1 to
1549 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
1551 (load_mems_and_recount_loop_regs_set): Likewise.
1553 * i386.c (print_operand): Remove obsolete 'c' docs.
1555 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
1557 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
1558 * frame.c (init_object_mutex): New function.
1559 (init_object_mutex_once): Likewise.
1560 (find_fde): Call it.
1561 (__register_frame_info): Likewise.
1562 (__register_frame_info_table): Likewise.
1563 (__deregister_frame_info): Likewise.
1565 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
1567 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
1569 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1571 * loop.c (check_dbra_loop): Enable code for reversal
1572 of some loops without a known constant loop end.
1574 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
1576 * haifa-sched.c (last_clock_var): New.
1577 (schedule_block): Initialize it.
1578 (schedule_insn): Use it to fill insn modes with issue information.
1580 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
1581 Tag trapb and next insn with TImode.
1582 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
1583 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
1584 Invoke alphaev5_align_insns as appropriate.
1585 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
1586 (MD_SCHED_VARIABLE_ISSUE): New.
1587 * alpha.md (attr type): Add multi.
1588 (define_asm_attributes): New.
1589 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
1590 (arg_home): Likewise.
1591 (fnop, unop, realign): New.
1593 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
1595 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
1596 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
1598 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
1599 (rs6000-ibm-aix4.[12]*): Likewise.
1600 * configure: Regnerate.
1602 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
1604 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
1605 already contains the return address.
1607 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
1609 * calls.c (expand_call): Use bitfield instructions to extract/deposit
1610 word sized hunks when loading unaligned args into registers.
1612 * haifa-sched.c (sched_analyze_insn): Only create scheduling
1613 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
1615 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
1617 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1619 * loop.c (check_dbra_loop): Add some code that would allow reversal
1620 of some loops without a known constant loop end if it were enabled.
1622 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
1624 * mips.md (lshrsi3_internal2+2): Fix type-o.
1626 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1628 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
1629 correctly with regards to stdio.h.
1631 * calls.c: Remove stdarg.h/varargs.h.
1634 * combine.c: Likewise.
1635 * cpperror.c: Likewise.
1636 * cpplib.c: Likewise.
1637 * cpplib.h: Likewise.
1638 * doprint.c: Likewise.
1639 * emit-rtl.c: Likewise.
1640 * final.c: Likewise.
1641 * fix-header.c: Likewise.
1643 * genattr.c: Likewise.
1644 * genattrtab.c: Likewise.
1645 * gencodes.c: Likewise.
1646 * genconfig.c: Likewise.
1647 * genemit.c: Likewise.
1648 * genextract.c: Likewise.
1649 * genflags.c: Likewise.
1650 * genopinit.c: Likewise.
1651 * genoutput.c: Likewise.
1652 * genpeep.c: Likewise.
1653 * genrecog.c: Likewise.
1654 * mips-tfile.c: Likewise.
1655 * prefix.c: Likewise.
1656 * protoize.c: Likewise.
1657 * regmove.c: Likewise.
1658 * toplev.c: Likewise.
1661 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1663 * config/sparc/sparc.c (sparc_override_options): If not
1664 TARGET_FPU, turn off TARGET_VIS.
1665 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
1666 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
1667 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
1668 (movdi_insn_sp64): Add VIS fzero alternative.
1669 (clear_sf, clear_df): New VIS patterns.
1670 (movsf, movdf expanders): Allow fp_zero_operand flat out when
1672 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
1674 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
1676 * loop.c (n_times_set, n_times_used, may_not_optimize,
1677 reg_single_usage): Convert to varrays. All uses changed.
1678 (insert_loop_mem): Return a value.
1679 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
1680 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
1683 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
1686 * configure.in: Do not set thread_file to "irix" since no such
1689 * sparc.md (float abs/neg splits): Check reload_completed before
1690 calling alter_subreg.
1692 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1694 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
1696 * config/sparc/sparc.h: Declare it.
1697 * config/sparc/sparc.md (float abs/neg splits): Use it.
1698 (all other splits): Handle SUBREGs properly where necessary.
1699 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
1701 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
1703 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
1704 an insn on the unfilled_slots_list that has no delay slots.
1705 (fill_eager_delay_slots): Similarly.
1707 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
1709 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
1710 as an ordinary operand.
1712 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
1714 * tree.c (valid_machine_attribute): Don't apply attributes to both
1717 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
1719 * reload.c (operands_match_p): Handle rtvecs.
1721 * i386.c (legitimate_pic_address_disp_p): New.
1722 (legitimate_address_p): Use it.
1723 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
1724 Handle constant pool symbols just like statics.
1725 (emit_pic_move): Use Pmode not SImode for clarity.
1726 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
1727 [UNSPEC]: New, handling what we killed above.
1728 [PLUS]: Detect and abort on invalid symbol arithmetic.
1729 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
1731 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
1733 * alias.c: Include output.h.
1734 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
1735 different if we're in a varargs function.
1736 * Makefile.in (alias.o): Depend on output.h
1738 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1740 * sh.h (GIV_SORT_CRITERION): Delete.
1742 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
1744 * regclass.c (regclass): Use xmalloc/free instead of alloca.
1745 * stupid.c (stupid_life_analysis): Ditto.
1746 * reload1.c (reload): Ditto.
1748 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1750 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
1751 arith_double_4096_operand, arith_double_add_operand): New
1753 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
1754 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
1755 them to transform add/sub 4096 into add/sub -4096.
1757 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1759 * loop.c (scan_loop): Allocate some slop to handle pseudos
1760 generated by move_movables.
1761 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
1764 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
1766 * tree.def (DECL_RESULT): Correct documentation.
1768 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1770 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
1771 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
1772 conflicts will all RELOAD_FOR_OUTPUT reloads.
1774 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
1775 loads the function result, substitute with a USE.
1777 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1779 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
1780 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
1781 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
1782 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
1783 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
1784 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
1786 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
1787 'o' to 'm' for GPR variant constraints.
1789 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
1791 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
1793 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
1795 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
1796 when the source and destination overlap.
1798 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
1799 clash with global type.
1801 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
1803 * fixinc.irix: Add curses.h handling from fixinc.wrap.
1805 * c-common.c (combine_strings): Also set TREE_READONLY.
1806 Change warn_write_strings to flag_const_strings.
1807 * c-decl.c, c-tree.h: Likewise.
1809 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1811 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
1812 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
1813 sequence, use SET/IOR instead so CSE can see it.
1814 * config/sparc/sparc.md (movhi_const64_special,
1815 movsi_const64_special): New patterns necessitated by that change.
1816 (movhi_high): Remove.
1817 (movhi_lo_sum): Change to match an IOR.
1818 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
1819 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
1820 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
1821 (movdf splits): Allow when not V9 or when not ARCH64 and integer
1822 registers are involved.
1823 (snesi_zero_extend split): Remove reload_completed test.
1824 (unnamed plus and minus zero_extend sidi splits): Add it.
1826 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
1828 * extend.texi: Remove description of extension to explicit
1829 instantiation that is now endorsed by standard C++.
1831 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1833 * config/arc/arc.c (arc_initialize_pic): Remove.
1834 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
1835 nothing on any platform and is invoked by no-one, it does not even
1836 appear in the documentation.
1837 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
1838 * config/sparc/sparc.c (initialize_pic): Likewise.
1839 (find_addr_reg): Remove this as well, no longer referenced after
1842 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
1844 * recog.c (validate_replace_rtx_group): New function.
1845 * recog.h (validate_replace_rtx_group): Declare it.
1846 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
1847 the entire group of substitutions.
1849 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
1851 * loop.c (load_mems): Fix initializers.
1853 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1855 * config/sparc/sparc.md (TFmode splits): Handle destination
1856 registers being referenced in the address correctly.
1858 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
1859 TREE_UNSIGNED, when bitsize of type's mode is larger than
1860 HOST_BITS_PER_WIDE_INT.
1862 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1864 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
1865 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
1866 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
1868 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
1871 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
1873 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
1874 * h8300.h (TINY_DATA_NAME_P): Likewise.
1875 (STRIP_NAME_ENCODING): Handle '&'.
1877 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
1878 register (it could be accessed via an outer SUBREG).
1879 (REG_OK_FOR_BASE_P): Likewwise.
1880 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
1882 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
1885 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
1887 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1889 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
1890 must be offsettable so the splits can be made.
1892 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
1894 * config/i386/winnt.c: Include system.h, not stdio.h to get
1895 sys/param.h pulled in before rtl.h in case the system defines MIN
1898 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
1900 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
1902 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
1904 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
1906 * cpplib.c (cpp_define): Handle macros with parameters.
1908 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1910 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
1911 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
1912 and DImode 64-bit. Use llong for minimal-toc SFmode and
1913 SYMBOL_REF / LABEL_REF 64-bit.
1914 (output_function_profiler): Use llong for profiler label and ld to
1915 load 64-bit label address.
1917 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
1919 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
1922 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
1924 * version.c: Bump for snapshot.
1926 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
1928 * version.c: Bump for snapshot.
1930 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
1932 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
1934 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
1936 * tm.texi (Misc): Fix typo "teh".
1938 * tm.texi (PIC): Fix typo "PPIC".
1940 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
1941 effect when -O2 and higher.
1942 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
1944 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
1946 * regclass.c: Changed register set documentation to be consistent
1949 * final.c (final_start_function) Removed redundant test for
1952 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
1954 * rtl.h (rtx_function): New type.
1955 (for_each_rtx): New function.
1956 * rtlanal.c (for_each_rtx): Define it.
1958 * recog.c (change_t): New type.
1959 (change_objects, change_old_codes, change_locs, change_olds):
1961 (changes): New variable.
1962 (validate_change): Dynamically allocate room for more changes, if
1963 necessary. Uses changes array instead of change_objects, etc.
1964 (apply_change_group): Use changes array instead of
1965 change_objects, etc.
1967 * loop.c (loop_mem_info): New type.
1968 (loop_mems): New variable.
1969 (loop_mems_idx): Likewise.
1970 (looop_mems_allocated): Likewise.
1971 (scan_loop): Remove nregs parameter.
1972 (next_insn_in_loop): New function.
1973 (load_mems_and_recount_loop_regs_set): Likewise.
1974 (load_mems): Likewise.
1975 (insert_loop_mem): Likewise.
1976 (replace_loop_mem): Likewise.
1977 (replace_label): Likewise.
1978 (INSN_IN_RANGE_P): New macro.
1979 (loop_optimize): Don't pass max_reg_num() to scan_loop.
1980 (scan_loop): Remove nregs parameter, compute it after any new
1981 registers are created by load_mems. Use INSN_IN_RANGE_P and
1982 next_insn_in_loop rather than expanding them inline. Call
1983 load_mems to load memory into pseudos, if appropriate.
1984 (prescan_loop): Figure out whether or not there are jumps from the
1985 loop to targets other than the label immediately following the
1986 loop. Call insert_loop_mem to notice all the MEMs used in the
1987 loop, if it could be safe to pull MEMs into REGs for the duration
1989 (strength_reduce): Use next_insn_in_loop. Tweak comments.
1991 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
1993 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
1995 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1997 * config/sparc/sparc.c (finalize_pic): Check for the correct
1998 nonlocal_goto_receiver UNSPEC number.
1999 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
2000 making note of this dependency existing in sparc.c
2001 (negtf2_notv9 split): Give NEG SFmode.
2002 (negsf2): Fix insn output string.
2004 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
2006 * c-common.c (decl_attributes): Issue an error if the argument
2007 to alias is not a string.
2009 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
2011 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
2012 pending memory flush list.
2014 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
2016 (try_combine): Allow combining insns with REG_LIBCALL notes.
2018 * expr.c (emit_block_move): Do not call memcpy as a libcall
2019 instead build up a CALL_EXPR and call it like any other
2021 (clear_storage): Similarly for memset.
2023 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
2026 * Makefile.in (cplus-dem.o): Provide explicit rules for building
2029 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
2030 and REG_LIVE_LENGTH as successful substitutions are made.
2032 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2034 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
2035 statement after end of loop label.
2037 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2039 * config/sparc/sparc.c (ultra_types_avail): New variable.
2040 (ultra_build_types_avail): New function to record mask of insn
2041 types in ready list at this cycle.
2042 (ultrasparc_sched_reorder): Call it.
2043 (ultra_find_type): Use it to quicken the search. Also simplif
2044 dependency check, don't use rtx_equal_p because we know exactly
2045 what we are looking for.
2047 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
2049 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
2050 for architecture v4.
2052 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2054 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
2056 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
2057 movdf_const_intreg and helper splits): New patterns to move float
2058 constants into integer registers.
2059 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
2062 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
2065 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
2067 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
2069 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
2070 a BASE_REGS register is needed as an intermediate when copying
2071 a symbolic value into any register class other than BASE_REGS.
2073 * expr.c (move_by_pieces): No longer static. Remove prototype.
2074 * rtl.h (move_by_pieces): Add extern prototype.
2075 * mips.c (expand_block_move): Handle aligned straight line copy by
2076 calling move_by_pieces.
2078 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
2081 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
2083 * stmt.c (expand_end_loop): Tidy. Allow unconditional
2084 jumps out of the loop to be treated as part of the exit test.
2086 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2087 Jeff Law <law@cygnus.com>
2089 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
2090 * cplus-dem.c: Delete.
2092 * Makefile.in (fold-const.o): depend on $(RTL_H).
2094 * fold-const.c: Include rtl.h to get the prototype for
2095 `set_identifier_local_value'.
2097 * loop.c (express_from_1): Remove unused variable `tmp'.
2098 (combine_givs): cast the first argument of bzero to char *.
2100 * toplev.c (display_help): Remove unused variable `looking_for_start'.
2102 * c-decl.c (init_decl_processing): Remove unneeded &.
2104 * alpha.h (alpha_initialize_trampoline): Provide prototype.
2106 * except.c (set_exception_lang_code, set_exception_version_code):
2107 Change parameter from `short' to `int' to avoid using a gcc
2110 * except.h (set_exception_lang_code, set_exception_version_code):
2111 Likewise for prototypes.
2113 * flow.c (count_reg_references): Remove unused variables `regno'
2116 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
2118 * prefix.c (translate_name): Cast the result of `alloca'.
2120 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
2122 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2124 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
2126 (valid_dbcc_comparison_p): Mark mode argument as unused.
2127 (symbolic_operand): Likewise.
2128 (legitimize_pic_address): Likewise.
2129 (const_uint32_operand): Likewise.
2130 (const_sint32_operand): Likewise.
2131 * sched.c [!INSN_SCHEDULING]: Define only dummy function
2132 schedule_insns and comment out rest of file.
2134 * m68k.c (output_move_simode_const): Use subl to move a zero into an
2136 (output_move_[hq]imode): Likewise.
2138 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
2140 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
2141 * invoke.texi: Corresponding changes.
2143 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
2145 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
2147 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2149 * config/sparc/sparc.c (ultra_code_from_mask,
2150 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
2151 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
2152 ultrasparc_sched_init, ultrasparc_variable_issue,
2153 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
2154 functions to describe UltraSPARC pipeline exactly to Haifa.
2155 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
2156 as there is nothing the scheduler can do about it. Indicate that
2157 REG_DEP_OUTPUT's collide. Fixup formatting.
2158 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
2159 divide costs on Ultra for DImode.
2160 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
2162 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
2163 ieuN and add call_no_delay_slot to type list.
2164 (cti function unit): New unit for branches on UltraSPARC.
2165 (subx/addx insns): Set type to misc.
2166 (sidi zero/sign extension insns on arch64): Set type to shift.
2167 (sign_extendhidi2_insn): Set type to sload.
2169 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
2171 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
2172 (output_epilog): Use if != 0 for offset.
2173 (rs6000_fatal_bad_address): Prepare for Intl.
2174 * rs6000.h (rs6000_fatal_bad_address): Declare.
2175 * rs6000.md (movsfcc, movdfcc): Use else if.
2176 (elf_high): Use {liu|lis}.
2177 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
2178 (movsi): Use rs6000_fatal_bad_address.
2180 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
2182 * reload.c (find_equiv_reg): Reject equivalences separated
2183 by a volatile instruction.
2185 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2187 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
2189 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
2191 * alpha.md (movsicc): Fix mode mismatch.
2193 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
2195 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
2197 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
2199 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2201 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
2202 write-only modifier from operand 1 constraint.
2204 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2206 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
2207 emitting a XOR of -1 at the end, emit a NOT instead for combine's
2209 (sparc_emit_set_const64): Likewise, also when computing trailing
2210 bits do not negate low_bits and make fast_int an int.
2212 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
2214 * loop.c (add_label_notes): Do not ignore references to labels
2215 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
2216 * gcse.c (add_label_notes): Similarly.
2218 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
2220 * m68k.md (adddi_dilshr32): One of the operands must be a register.
2221 (adddi_dishl32): Similarly.
2223 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
2225 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
2226 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
2227 * cse.c (cse_basic_block): Add parens to shut up warnings.
2229 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2231 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
2232 sparc_emit_set_const64_longway, const64_is_2insns,
2233 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
2234 in 64-bit constant formation.
2235 * config/sparc/sparc.md (snesi_zero_extend split): Generate
2236 rtl for addx not subx.
2237 (define_insn movdi_const64_special): Make available even when
2238 HOST_BITS_PER_WIDE_INT is not 64.
2239 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
2240 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
2241 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
2242 instances of operand 1 inside a QI subreg.
2243 (xordi3_sp64_dbl): Remove '%' constraint for op1.
2244 (one_cmpldi2_sp64): Fix output string.
2245 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
2247 (unnamed arch64 ashift DI): Truncate shift count if greater than
2250 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2252 * expr.c (store_expr): Don't optimize away load-store pair
2253 when either source or destination have a side effect.
2255 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
2257 * genrecog.c (add_to_sequence): Fatal error if the modes of the
2258 operands of SET are incompatible.
2260 * alpha.md: Fix max and min patterns so modes of SET operands match.
2262 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
2264 * configure.in: Avoid [[ by using test and changequote.
2265 * configure: Rebuild.
2267 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2269 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
2271 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
2272 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
2273 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
2274 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
2275 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
2276 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
2277 Fix mismatching modes in SET operands.
2278 (conditional move patterns): Fix formatting.
2279 (unnamed subx arch64 pattern): Remove duplicate insn.
2281 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2283 * config/sparc/sparc.c (const64_operand, const64_high_operand):
2284 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
2285 (input_operand): Fixup test for what we accept for constant
2287 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
2289 (safe_constDI): Remove.
2290 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
2291 gen_safe_XOR64): New functions.
2292 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
2293 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
2295 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
2296 available when HOST_BITS_PER_WIDE_INT is not 64.
2297 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
2298 move before movdi_insn_sp64 pattern.
2299 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
2300 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
2301 symbolic_operand as predicate for second operand.
2302 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
2303 expander): Give set VOIDmode.
2305 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
2307 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
2309 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
2311 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
2313 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
2315 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
2317 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
2319 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
2321 * install.texi: Various SCO OpenServer tweaks.
2323 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
2325 * reload1.c (eliminate_regs_in_insn): Handle another case when
2326 eliminating the frame pointer to the hard frame pointer. Add
2327 missing ep->to_rtx check to one existing case.
2329 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
2331 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
2333 * tree.h: De-conditionalize init_priority code.
2335 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
2336 * collect2.c (NM_FLAGS): Change from -p to -n.
2338 * configure.in: Turn on collect2 for mipstx39-elf.
2339 Handle use_collect2=no properly.
2341 * c-common.c: De-conditionalize init_priority code.
2342 * collect2.c (extract_init_priority, sort_ids): New fns.
2343 (main): Call sort_ids.
2344 Move sequence_number to file scope.
2346 * configure.in: Handle --enable-init-priority.
2347 * c-common.c (attrs): Add A_INIT_PRIORITY.
2348 (init_attributes, decl_attributes): Likewise.
2349 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
2350 * tree.c (get_file_function_name_long): Split out...
2351 (get_file_function_name): ...from here.
2353 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
2355 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
2358 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
2360 * toplev.c (display_help): Add braces to shut up warnings.
2361 * tree.c (simple_cst_equal): Likewise.
2363 * fold-const.c (non_lvalue): Don't deal with null pointer
2365 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
2367 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
2368 of any size to a pointer.
2370 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
2372 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
2374 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
2376 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
2377 which will be saved.
2378 * mn10300.md (prologue insn): Only save registers which need saving.
2379 (epilogue insn): Similarly.
2381 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
2384 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
2386 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
2387 VAR_DECL's in gp addressable sections.
2389 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
2391 * sparc.c: Change return <exp> to <exp>; return; in functions
2393 * sparc.md: Add empty semicolon statement after final label in
2396 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2398 * config/sparc/sparc.md (define_insn addx_extend): Rename to
2399 addx_extend_sp64, only allow when TARGET_ARCH64.
2400 (define_insn addx_extend_sp32 and split): Version that works when
2402 (define_insn subx_extend): Likewise.
2403 (define_split adddi3 and subdi3 with zero extension): Fixup and
2404 correct bugs when not TARGET_ARCH64.
2406 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
2408 * except.c (set_exception_lang_code, set_exception_version_code):
2409 Use prototype-style definition if __STDC__, to match declaration
2412 * genemit.c: Change FAIL and DONE macros not to use loops.
2414 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
2416 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
2417 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
2419 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
2421 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
2423 * README.g77: Update from Craig.
2425 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2427 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
2429 (safe_constDI sparc_emit_set_const64_quick1,
2430 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
2431 analyze_64bit_constant, const64_is_2insns,
2432 create_simple_focus_bits): Fix some bugs when compiled on real
2434 (function_arg_record_value_3, function_arg_record_value_2,
2435 function_arg_record_value): Add fully prototyped forward decls.
2436 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
2437 to cmpsi_insn and use on both 64 and 32 bit targets.
2438 (define_insn cmpsi_insn_sp64): Remove.
2439 (define_expand zero_extendsidi2): Allow for 32-bit target too.
2440 (define_insn zero_extendsidi2_insn): Rename to
2441 zero_extendsidi2_insn_sp64.
2442 (define_insn zero_extendsidi2_insn_sp32): New pattern and
2443 assosciated forced split for it.
2445 * config/sparc/sparc.c (const64_operand, const64_high_operand):
2447 * config/sparc/sparc.h: Declare them.
2448 (PREDICATE_CODES): Add them.
2449 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
2450 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
2452 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
2454 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
2455 in v9 case as the latter makes the Solaris assembler crash.
2457 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2459 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
2460 for TFmode when !v9. We require offsettable memory addresses.
2461 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
2462 DFmode register number conversions.
2463 * config/sparc/sparc.md (define_split DFmode moves): If register
2464 is a SUBREG do alter_subreg on it before using.
2465 (define_expand movtf): Fixup comment about alignment on v9.
2466 (define_split TFmode moves): Don't use gen_{high,low}part, create
2467 explicit SUBREGs instead.
2469 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
2471 * Makefile.in (mbchar.o): Depend on mbchar.c.
2473 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2474 Richard Henderson <rth@cygnus.com>
2476 Rewrite Sparc backend for better code generation and
2477 improved sparc64 support.
2478 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
2480 * config/sparc/sysv4.h: Likewise.
2481 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
2482 move_operand, v8plus_regcmp_op, emit_move_sequence,
2483 singlemove_string, doublemove_string, mem_aligned_8,
2484 output_move_double, output_move_quad, output_fp_move_double,
2485 move_quad_direction, output_fp_move_quad, output_scc_insn):
2487 (small_int_or_double): New predicate.
2488 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
2489 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
2490 old pic_{sethi,lo_sum}_si patterns.
2491 (mem_min_alignment): New generic function to replace
2492 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
2493 available and can test for arbitrary alignments. All callers
2495 (save_regs, restore_regs, build_big_number,
2496 output_function_prologue, output_cbranch, output_return,
2497 sparc_flat_save_restore, sparc_flat_output_function_prologue,
2498 sparc_flat_output_function_epilogue): Prettify
2500 (output_function_epilogue): Likewise and add code to output
2501 deferred case vectors.
2502 (output_v9branch): Likewise, add new arg INSN and use it to tack
2503 on branch prediction settings. All callers changed.
2504 (print_operand): Likewise and output %l44 for LO_SUMs when
2506 (sparc_splitdi_legitimate): New function to make sure DImode
2507 splits can be run properly when !arch64.
2508 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
2509 Reformat example code in comments.
2510 (set_extends): Remove UNSPEC/v8plus_clear_high case.
2511 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
2512 of deferred case vectors we need to output.
2513 (sparc_defer_case_vector): Record a case vector.
2514 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
2515 sparc_output_deferred_case_vectors): New functions to output them.
2516 (sparc_emit_set_const32): New function to form 32-bit constants in
2517 registers when that requires more than one instruction.
2518 (safe_constDI, sparc_emit_set_const64_quick1,
2519 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
2520 analyze_64bit_constant, const64_is_2insns,
2521 create_simple_focus_bits, sparc_emit_set_const64): New functions
2522 which do the same for 64-bit constants when arch64.
2523 (sparc_emit_set_symbolic_const64): New function to emit address
2524 loading for all code models on v9.
2525 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
2526 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
2527 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
2528 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
2529 inaccuracies in comments, add symbolic and text_segment operands
2530 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
2531 GENERAL_REGS in these cases as a temp REG is needed to load these
2532 addresses into a register properly.
2533 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
2535 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
2536 quads are guarenteed to have 16-byte alignment.
2537 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
2538 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
2539 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
2540 deferred case vector implementation.
2541 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
2542 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
2543 Generate "internal label - label" instead of "label - 1b".
2544 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
2545 (PREDICATE_CODES): Remove sparc_operand, move_operand,
2546 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
2548 (doublemove_string, output_block_move, output_fp_move_double,
2549 output_fp_move_quad, output_move_double, output_move_quad,
2550 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
2551 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
2552 (sparc_emit_set_const32, sparc_emit_set_const64,
2553 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
2554 mem_min_alignment, small_int_or_double): Add externs.
2555 * config/sparc/sparc.md: Document the many uses of UNSPEC and
2556 UNSPEC_VOLATILE in this backend.
2557 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
2558 unary to types which execute in it.
2559 (define_function_unit ieu_shift): Rename to ieu0.
2560 (define_function_unit ieu1): New, executes compare, call, and
2561 uncond_branch type insns.
2562 (define_function_units for type fdivs, fdivd, fsqrt): These
2563 execute in the fpu multiply unit not the adder on UltraSparc.
2564 (define_expand cmpdi): Disallow TARGET_V8PLUS.
2565 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
2566 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
2567 allows the arith_double_operand predicate and rHI constraint when
2569 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
2570 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
2571 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
2572 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
2573 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
2574 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
2575 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
2576 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
2577 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
2578 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
2579 sign_extendqihi2_insn, sign_extendqisi2_insn,
2580 sign_extendqidi2_insn, sign_extendhidi2_insn,
2581 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
2582 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
2583 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
2584 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
2585 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
2586 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
2587 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
2588 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
2589 smulsi3_highpart_v8plus, unnamed subreg mult,
2590 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
2591 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
2592 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
2593 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
2594 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
2595 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
2596 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
2597 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
2598 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
2599 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
2600 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
2601 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
2602 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
2603 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
2604 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
2605 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
2606 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
2607 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
2608 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
2609 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
2610 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
2611 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
2612 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
2613 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
2614 call_address_untyped_struct_value_sp32,
2615 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
2616 call_value_symbolic_sp32, call_value_address_sp64,
2617 call_value_symbolic_sp64, branch_sp32, branch_sp64,
2618 flush_register_windows, goto_handler_and_restore,
2619 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
2620 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
2621 return_addsi, return_di, return_adddi, return_sf, all call+jump
2622 peepholes, trap, unnamed trap insns): Prettify output strings.
2623 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
2624 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
2625 Likewise and force + implement splits for integer cases.
2626 (define_insn return_sf_no_fpu): Likewise and allow to match when
2627 no-fpu because of our subreg SFmode splits.
2628 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
2629 zero_extendqidi2_insn, zero_extendhidi2_insn,
2630 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
2631 input_operand for second operand.
2632 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
2633 reg_or_0_operand for operand 2 so new splits can use it.
2634 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
2635 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
2637 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
2638 CONST_DOUBLEs for operand 2.
2639 (define_insn move_label_di): Likewise and label distance
2640 optimization because it no longer works with new deferred case
2641 vector scheme. To be revisited.
2642 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
2643 and allow reg_or_0_operand and J constraint for second operand.
2644 (define_insn jump): Set branch predict taken on V9.
2645 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
2646 new deferred case vector scheme.
2647 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
2648 (define_insn negdi2_sp32): Force + implement splits.
2649 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
2650 one_cmplsi2_not_liveg0 respectively, and create expander of original
2651 names which emit special rtl for TARGET_LIVE_G0.
2652 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
2653 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
2654 gen_compare_reg, FAIL instead.
2655 (define_insn sgtu, sleu): Likewise and check gen_s*() return
2656 values when trying to reverse condition codes, if they FAIL then
2658 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
2659 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
2660 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
2661 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
2662 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
2663 set output string to # to indicate they are mandatory splits.
2664 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
2665 pic_sethi_di, move_pic_label_si): Remove.
2666 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
2667 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
2669 (define_expand movsi_pic_label_ref, define_insn
2670 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
2671 expander and insns to handle PIC label references and deferred
2673 (define_insn get_pc_via_rdpc): Comment out as it is no longer
2675 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
2676 Rewrite to not use emit_move_sequence, make use of new constant
2677 formation code, and new splits for all multi-insn cases.
2678 (define_insn movqi_insn): Remove sethi case, it can never happen.
2679 Use reg_or_zero_operand instead of const0_rtx explicit test,
2680 use input_operand instead of move_operand for source, and use
2681 general_operand now for dest.
2682 (define_insn movhi_insn): Similar but leave sethi case.
2683 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
2684 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
2685 movhi_lo_sum respectively, prettify output string.
2686 (define_insn movsi_zero_liveg0): New pattern to put zero into a
2687 register when needed on TARGET_LIVE_G0.
2688 (define_insn movsi_insn): Use general_operand and input_operand
2689 for dest and src respectively. Simplify applicability test.
2690 Prettify output strings, and add clr alternative for J
2692 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
2693 deprecated std and reg-reg DI moves): Remove and...
2694 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
2695 implementation which uses forced splits for all non-single insn
2697 (define_split DI move cases on !arch64): New splits to handle all
2698 situations of 64-bit double register DImode on 32bit, and
2699 unaligned registers and memory addresses for all subtargets.
2700 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
2702 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
2703 input_operand for dest and src respectively, prettify output
2705 (define_insn movdf_insn, movdf_no_e_insn, store_df,
2706 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
2708 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
2709 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
2710 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
2711 movtf_no_e_insn_sp64) Replace with new
2712 implementation which uses forced splits for all non-single insn
2714 (define_split DF move cases): New splits in similar vein to DI
2716 (define_insn sethi_di_medlow, sethi_di_medium_pic,
2717 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
2718 movdi_sp64_insn): Remove old v9 code model and constant loading
2720 (define_insn pic_lo_sum_di, pic_sethi_di,
2721 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
2722 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
2723 embmedany_sethi, embmedany_losum, embmedany_brsum,
2724 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
2725 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
2726 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
2727 scheme, using unspecs, secondary reloads, and one to one sparc
2728 insn to rtl insn mapping for better scheduling and code gen.
2729 (define_expand reload_indi, reload_outdi): Reload helpers for
2730 MEDANY and EMBMEDANY symbol address loading cases which require a
2732 (define_expand movsicc): Remove v8plus_regcmp cases.
2733 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
2734 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
2735 cmp_diqi_trunc_set): New patterns used by some of the new scc
2737 (define_insn xordi3_sp64_dbl): New pattern used for constant
2738 formation when crossing from 32-bit targets.
2739 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
2741 (define_insn addx, subx): Make visible and prettify.
2742 (define_insn adddi3_insn_sp32): Likewise and force split.
2743 (define_insn addx_extend, subx_extend, unnamed): New patterns for
2744 64bit scc split usage.
2745 (define_insn unnamed plusDI zero_extend, unnamed minusDI
2746 zero_extend, subdi3): Force and implement splits.
2748 * final.c (final_scan_insn): Don't output labels if target
2749 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
2752 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
2753 don't forget to walk inside SEQUENCESs too as these are what the
2754 delay slot scheduler will create.
2756 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
2758 * alpha.md (extxl+1,+2): New patterns to work around
2761 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
2763 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
2764 caused bad assembly code to be generated.
2766 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
2768 * netbsd.h: Fix typo.
2770 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
2772 * config.sub: Fix typo.
2774 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
2776 * invoke.texi (Environment Variables): Typo: Change "ascpects"
2778 (Running Protoize): Typo: Change "ther" into "other".
2780 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
2782 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
2783 * m68k/netbsd.h: Likewise.
2784 * ns32k/netbsd.h: Likewise.
2785 * sparc/netbsd.h: Likewise.
2787 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
2789 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
2790 * ginclude/va-clipper.h (va_list): Likewise.
2792 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
2794 * rs6000.c (rs6000_override_options): If big endian and -Os, use
2795 load/store multiple instructions unless user overrides.
2797 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
2799 * ns32k/netbsd.h: Fix typo.
2801 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
2803 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
2804 labels with .debugsym if no parallel insns.
2806 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
2808 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
2809 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
2811 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
2813 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
2814 (AR_FOR_TARGET): Define.
2816 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
2818 * dyn-string.h: New file.
2819 * dyn-string.c: Likewise.
2820 * Makefile.in (OBJS): Add dyn-string.o.
2821 (dwarf2out.o): Add dyn-string.h dependency.
2822 (dyn-string.o): List dependencies.
2823 * dwarf2out.c: Include dyn-string.h.
2824 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
2825 (addr_const_to_string): Take a dyn_string_t, not a char* as a
2826 prototype. Use dyn_string_append rather than strcat, throughout.
2827 (addr_to_string): Use dyn_string_t.
2829 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
2831 Function entry/exit profiling instrumentation:
2832 * expr.h (profile_function_entry_libfunc,
2833 profile_function_exit_libfunc): Declare new variables.
2834 * optabs.c: Define them here.
2835 (init_optabs): Initialize them.
2836 * tree.h (struct tree_decl): New flag
2837 no_instrument_function_entry_exit.
2838 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
2839 * c-decl.c (duplicate_decls): Merge it.
2840 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
2841 (init_attributes): Use it for "no_instrument_function".
2842 (decl_attributes): Handle it, for functions that have not yet been
2843 compiled. Set decl flag.
2844 * flags.h (flag_instrument_function_entry_exit): Declare new
2846 * toplev.c (flag_instrument_function_entry_exit): Define it here.
2847 (f_options): New option "instrument-functions".
2848 * function.h (struct function): New field instrument_entry_exit.
2849 * function.c (current_function_instrument_entry_exit): New
2851 (push_function_context_to, pop_function_context_from): Save and
2853 (expand_function_start): Set current_ variable, maybe emit return
2854 label and entry profile call.
2855 (expand_function_end): Maybe emit exit profile call.
2857 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
2859 * i386.md (movqi): When optimizing a load of (const_int 1) into a
2860 NON_QI_REG_P, pretend the register is SImode.
2862 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
2864 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
2865 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
2866 manufacturer id for ns32k.
2867 * configure: Regenerated.
2868 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
2869 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
2870 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
2871 * config/m68k/netbsd.h: Same.
2872 * config/ns32k/netbsd.h: Same.
2873 * config/sparc/netbsd.h: Same.
2875 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
2877 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
2878 or UNROLL_COMPLETELY loop that starts with a jump to its
2881 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
2883 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
2884 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
2885 (print_operand, case 'B'): Don't fall through.
2886 (print_operand, case 'S'): Correct mask begin/end computation.
2887 Use HOST_BITS_PER_WIDE_INT.
2888 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
2889 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
2890 * rs6000/aix41.h (CPP_PREDEFINES): Same.
2891 * rs6000/aix43.h (CPP_PREDEFINES): Same.
2893 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
2895 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
2896 constraint from second alternative.
2898 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2900 * configure.in: Fix --without/--disable cases for local-prefix,
2901 gxx-include-dir and checking.
2903 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2905 * configure.in (enable_haifa): Set by default for sparc64 too.
2908 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2910 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
2911 * i386/winnt.c (associated_type): New fn.
2912 (i386_pe_valid_type_attribute_p): New fn.
2913 (i386_pe_check_vtable_importexport): Remove.
2914 (i386_pe_dllexport_p): Use associated_type.
2915 (i386_pe_dllimport_p): Likewise.
2917 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
2918 * i386.c (i386_valid_type_attribute_p): Also accept
2919 attributes for METHOD_TYPEs.
2921 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
2923 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
2925 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
2927 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
2929 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
2930 them from generating a new base name for each occurence of
2933 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
2935 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
2937 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
2941 * cplus-dem.c (type_kind_t): New type.
2942 (demangle_template_value_parm): Add type_kind_t parameter. Rely
2943 on this paramter, rather than demangling the type again.
2944 (demangle_integral_value): Pass tk_integral.
2945 (demangle_template_: Pass the value returned from do_type.
2946 (do_type): Return a type_kind_t. Pass tk_integral to
2947 demangle_template_value_parm for array bounds.
2948 (demangle_fund_type): Likewise.
2950 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
2952 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
2955 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
2957 * pa.c (move_operand): Accept CONSTANT_P_RTX.
2959 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
2961 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
2963 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
2966 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
2968 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
2969 (DEBUGGER_ARG_OFFSET): Likewise.
2971 * mn10300.md (movsf): Remove last change. Not needed.
2973 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
2975 * c-lex.c (yylex): Fix boundary conditions in character literal and
2976 string literal loops.
2978 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
2980 * longlong.h (count_leading_zeros): Sparclite scan instruction was
2981 being invoked incorrectly.
2983 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
2984 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
2986 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
2987 * configure.in: Added i[34567]86-*-win32
2988 * config.sub: Ditto.
2989 * configure: Rebuilt.
2991 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
2993 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
2994 the frame pointer and compiling PIC code and reload has not completed.
2996 * i386.c (output_to_reg): Add code to emulate non-popping DImode
2999 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
3001 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
3003 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3005 * Makefile.in (install-info): Only try to update the info
3006 directory file if it exists in the first place.
3008 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
3010 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
3012 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
3014 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
3015 CONST_DOUBLE source.
3017 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
3019 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
3020 strings as the insertion of USER_LABEL_PREFIX.
3021 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
3023 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
3026 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
3028 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
3029 already defined type.
3031 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
3033 * expr.c (check_max_integer_computation_mode): Allow conversions
3034 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
3035 (expand_expr): Likewise.
3037 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3039 * expr.c (expand_expr): Expand RETURN_EXPR.
3041 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
3043 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
3045 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
3047 * dwarf2out.c (output_aranges): Call stripattributes
3048 for TEXT_SECTION references.
3049 (output_line_info): Likewise.
3051 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3053 * profile.c (branch_prob): Call allocate_reg_info after outputting
3054 profile rtl in instrument_arcs.
3056 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
3058 * fixinc.irix (math.h): Install wrapper instead of copying.
3060 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3062 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
3063 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
3064 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
3065 lang_flag_0. Added documentation in the flag table.
3067 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
3069 * cccp.c (do_include): Fix vax c style include handling.
3071 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
3073 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
3075 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
3077 * fold-const.c (non_lvalue): Don't deal with null pointer
3079 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
3081 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
3083 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
3084 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
3085 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
3086 (u_short_cint_operand): Same.
3087 (reg_or_cint_operand): Same.
3088 (logical_operand): Same.
3089 (input_operand): Same.
3090 (reg_or_short_operand): Use u_short_cint_operand.
3092 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
3094 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
3095 but keep the insns and splits. Adjust so when the ultimate destination
3096 is memory, use cvtql.
3098 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
3100 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
3102 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
3104 * gcc.c (do_spec): Call "error" not "warning".
3106 * configure.in: Fix minor problems with gas feature detection code.
3107 * configure: Rebuilt.
3109 * gcc.c (do_spec): Issue a warning for '%[]' usage.
3112 * gcc.c: Delete %[spec] support.
3113 (do_spec_1, case '('): Likewise.
3114 (do_spec_1, case '['): Call error.
3116 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
3118 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
3119 (CPP_SUBTARGET_SPEC): Default to empty string.
3120 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
3121 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
3122 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
3123 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
3125 * alpha/linux.h (CPP_PREDEFINES): Tidy.
3126 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
3127 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
3128 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
3129 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
3130 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
3131 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
3132 * alpha/vxworks.h: Likewise.
3134 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
3136 * mips.md (reload_outsi): Added missing REGNO call.
3137 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
3139 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
3140 another match_operator and compare the codes.
3142 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
3144 * MIPS multiply pattern fixes:
3145 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3146 Add union classes for HI, LO, or HILO plus general registers.
3147 (GENERATE_MADD): Deleted.
3148 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
3149 Add TARGET_MAD to condition.
3150 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
3151 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
3152 "*d" for accumulator, to give preference to LO initially but not
3155 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
3157 * configure.in (enable_c_mbchar): New configure option.
3158 (extra_cpp_objs): Always available now.
3160 * cexp.y (mbchar.h): #include it.
3161 (yylex): Handle Multibyte characters in character literals.
3163 * cccp.c (mbchar.h): #include it.
3164 (main): Set character set based on LANG environment variable.
3165 (rescan): Handle multibyte characters in comments.
3166 (skip_if_group): See above.
3167 (validate_else): See above.
3168 (skip_to_end_of_comment): See above.
3169 (macarg1): See above.
3170 (discard_comments): See above.
3171 (rescan): Handle multibyte characters in string and character literals.
3172 (collect_expansion): See above.
3173 (skip_quoted_string): See above.
3174 (macroexpand): See above.
3175 (macarg1): See above.
3176 (discard_comments): See above.
3177 (change_newlines): See above.
3179 * c-lex.c (mbchar.h): #include it.
3180 (GET_ENVIRONMENT): New macro.
3181 (init_lex): Set character set based on LANG environment variable.
3182 (yylex): Handle multibyte characters in character literals.
3183 (yylex): Handle multibyte characters in string literals.
3185 * Makefile.in (mbchar.o): New target.
3186 (cccp$(exeext)): @extra_cpp_objs@ is always available.
3187 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
3189 * mbchar.[ch]: New files for multibyte character handling.
3191 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3193 * jump.c (jump_optimize): When simplifying noop moves and
3194 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
3195 the PUSHes to rewrite in second loop as we did in the first.
3197 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3199 * cplus-dem.c (demangle_nested_args): Make function definition
3200 static to match the prototype.
3202 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
3204 * alloca.c: Respect USE_C_ALLOCA.
3205 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
3206 * gengenrtl.c (xmalloc): Likewise.
3208 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
3210 * loop.h (struct induction): Add no_const_addval.
3211 * loop.c (the_movables, reg_address_cost): New variables.
3212 (init_loop): Init reg_address_cost.
3213 (loop_optimize): Call end_alias_analysis.
3214 (scan_loop): Init the_movables.
3215 (record_giv): Init induction->no_const_addval.
3216 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
3217 [REG]: Rearrange loop search test to catch more cases.
3218 (general_induction_var): Return success not benefit; take an extra
3219 argument for that. Change all callers.
3220 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
3221 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
3222 [default]: Search the_movables for additional combinations.
3223 (sge_plus_constant, sge_plus): New functions.
3224 (express_from_1): New function.
3225 (express_from): Always define. Rewrite using express_from_1.
3226 (combine_givs_p): Handle more cases. Ignore address cost.
3227 (cmp_combine_givs_stats): New function.
3228 (combine_givs_used_once, combine_givs_benefit_from): New functions.
3229 (combine_givs): Rewrite to do best-fit combination.
3231 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
3232 (fold): Do a complete (A*C)+(B*C) association check.
3234 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
3236 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
3238 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
3240 * mn10300.c (MODES_TIEABLE_P): Fix typo.
3242 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
3244 * tree.c (valid_machine_attribute): Only create a new type variant if
3245 there is a decl to use it.
3247 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
3249 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
3252 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
3254 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
3257 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
3259 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
3260 Simplify tests for clearing an address register.
3261 (expand_prologue): Corresponding changes.
3263 * mn10300.md (movXX patterns): Make sure the destination is an
3264 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
3265 (logical patterns): Split into expanders + patterns
3266 (zero and sign extension patterns): Similarly.
3267 (shift patterns): Similarly.
3269 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
3271 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
3272 for the sequence, recording base values.
3274 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
3276 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
3278 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
3280 * gcc.c: Remove ANSI-C ism from --help code.
3282 * toplev.c: Support --help with USE_CPPLIB.
3284 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
3286 * configure.in: Rework gas feature code to work with symlink based
3289 * extend.texi: Clarify some issues related to local variables
3290 assigned to explicit registers.
3292 * mn10300.md (mulsi): Turn into expander + pattern.
3294 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
3297 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
3299 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
3301 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
3303 * version.c: Bump again to distinguish mainline tree from the
3306 See ChangeLog.0 for earlier changes.
3309 add-log-time-format: current-time-string
OSDN Git Service
