1 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
3 * reload1.c (reload): Use reload_address_index_reg_class and
4 reload_address_base_reg_class when setting
5 caller_save_spill_class. (Patch generated by Jim Wilson:
8 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
10 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
11 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
12 * expr.c (store_field): Add alias_set parameter. Set the
13 MEM_ALIAS_SET accordingly, if the target is a MEM.
14 (expand_assignment): Use it.
15 (store_constructor_field): Pass 0.
16 (expand_expr): Likewise.
18 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
20 * flags.h: Add flag_data_sections.
21 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
22 (compile_file): Error if flag_data_sections not supported.
23 * varasm.c (assemble_variable): Handle flag_data_sections.
24 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
25 * config/mips/elf.h: Likewise.
26 * config/mips/elf64.h: Likewise.
27 * invoke.texi: Describe -fdata-sections.
29 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
31 * invoke.texi (-ffloat-store): Clarify that this option
32 does not affect intermediate results -- only variables.
34 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
36 * cpp.texi: Update for Fortran usage from Craig.
38 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
40 * rs6000.c (function_arg_boundary): Revert accidental change on
43 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
45 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
46 (output_mi_thunk): Declare.
48 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
49 (output_function_profiler): Use r12 for temp, instead of r11 so
50 that we preserve the static chain register.
52 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
54 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
56 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
58 * sh.c (gen_shl_sext): Fix case 5.
60 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
62 * reload1.c (reload_combine): Re-add line that got accidentally lost.
64 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
66 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
67 accessing variables until they are initialized via va_arg().
69 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
71 * reload1.c (reload_combine): Initialize set before using.
73 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
75 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
78 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
80 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
81 operand3 with mask before using it. Patch provided by Jim Wilson.
83 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
85 * config/sparc/sparc.c (function_value): Perform the equivalent of
86 PROMOTE_MODE for ARCH64.
87 (eligible_for_epilogue_delay): Allow DImode operations in delay
88 slot of a return for ARCH64.
90 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
92 * sh.md (sqrtsf2): Fix mode of sqrt.
94 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
96 * reload1.c (choose_reload_regs): Also try inheritance when
97 reload_in is a stack slot of a pseudo, even if we already got a
100 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
102 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
103 (reload_cse_regs): New function body: call reload_cse_regs_1,
104 reload_combine, reload_cse_move2add.
105 When doing expensive_optimizations, call reload_cse_regs_1 a
106 second time after reload_cse_move2add.
107 (reload_combine, reload_combine_note_store): New functions.
108 (reload_combine_note_use): New function.
109 (reload_cse_move2add, move2add_note_store): New functions.
111 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
113 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
114 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
116 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
117 more than 3 such reloads.
119 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
120 RELOAD_FOR_X_ADDR_ADDR reload.
122 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
124 * expr.c (store_constructor): When initializing a field that is smaller
125 than a word, at the start of a word, try to widen it to a full word.
127 * cse.c (cse_insn): When we are about to change a register,
128 remove any invalid references to it.
130 (remove_invalid_subreg_refs): New function.
131 (mention_regs): Special treatment for SUBREGs.
132 (insert_regs): Don't strip SUBREG for call to mention_regs.
133 Check if reg_tick needs to be bumped up before that call.
134 (lookup_as_function): Try to match known word_mode constants when
135 looking for a norrower constant.
136 (canon_hash): Special treatment for SUBREGs.
138 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
140 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
141 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
142 defined, emit libcall to __enable_execute_stack. Also fix opcodes
143 and offsets in actual stack trampoline code so they match the
144 commentary and actually work.
146 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
148 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
150 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
151 tmake_file. Set extra_parts to needed crt objects.
152 * configure: Rebuilt.
153 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
154 (TARGET_DEFAULT): Set if default is v9 or ultra.
155 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
156 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
157 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
158 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
159 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
160 (TARGET_VERSION): Define.
161 (MULTILIB_DEFAULT): Define.
162 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
163 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
164 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
166 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
167 * config/sparc/sparc.c (sparc_override_options): If arch and
168 pointer size disagree, emit diagnostic and fix it up. If
169 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
170 V8PLUS in 64-bit mode.
171 * config/sparc/t-linux64: New file.
172 * config/sparc/t-sol2-64: New file.
173 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
174 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
175 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
176 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
177 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
178 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
180 (STARTFILE_SPEC): Set approriately based upon those.
181 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
182 disposition of DEFAULT_ARCH32_P.
183 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
184 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
185 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
186 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
187 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
189 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
191 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
193 * rtl.h (init_virtual_regs): New function.
194 * emit-rtl.c (init_virtual_regs): Define.
196 * integrate.c (save_for_inline_copying): Likewise.
198 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
200 * config/arm/thumb.h: The following patches were made by Jim Wilson:
201 (enum reg_class): Add NONARG_LO_REGS support.
202 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
203 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
204 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
205 completes. Re-enable HImode REG+OFFSET addresses.
206 (LEGITIMIZE_RELOAD_ADDRESS): Define.
208 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
210 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
212 * alpha.c (get_aligned_mem): Revert Sep 20 change.
213 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
214 (alpha_align_insns): Properly calculate initial offset wrt max_align.
216 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
218 * arm.c (find_barrier): Revert change of Apr 23. Handle table
219 jumps as a single entity, taking into account the size of the
222 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
224 * tree.def (SWITCH_EXPR): New tree node definition.
226 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
228 * version.c: Bump for snapshot.
230 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
232 * version.c: Bump for snapshot.
234 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
236 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
239 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
242 * reload.c (find_reloads): Do not replace a pseudo with
243 (MEM (reg_equiv_addr)) in the initializing insn for the
246 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
248 * final.c (final_scan_insn): Disable tracking CC across branches.
250 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
252 * expr.h (eh_rtime_match_libfunc): New extern declaration.
253 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
254 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
255 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
256 NULL. Only include <stdio.h> if inhibit_libc is not defined.
258 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
260 * toplev.c (rest_of_compilation): Skip compiling anything with
261 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
263 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
265 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
266 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
267 use in_libcall_block.
268 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
269 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
272 Mon Sep 21 14:02:23 1998
274 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
275 typo in no-fancy-math-387 description.
277 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
279 * version.c: Bump for snapshot.
281 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
283 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
285 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
287 * i386.h: (TARGET_SWITCHES) Add description fields for flags
288 documented in install.texi.
289 (TARGET_OPTIONS) Likewise.
291 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
293 * version.c: Bump for snapshot.
295 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
297 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
298 * cccp.c (main): Likewise.
300 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
301 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
304 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
306 * Makefile.in (LIBS): Link in libiberty.a.
307 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
309 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
311 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
312 it to update bb boundaries. Update caller.
313 * function.c (reposition_prologue_and_epilogue_notes): Update
314 bb boundaries wrt the moved note.
316 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
318 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
320 * configure: Regenerate.
322 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
324 * alpha.c (alpha_sr_alias_set): New variable.
325 (override_options): Set it.
326 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
327 (mode_mask_operand): Fix signed-unsigned comparision warning.
328 (alpha_expand_block_move): Likewise.
329 (print_operand): Likewise.
330 (get_aligned_mem): Use change_address.
331 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
332 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
333 (alphaev4_next_nop, alphaev5_next_nop): New functions.
334 (alpha_align_insns): Remade from old alphaev5_align_insns
335 to handle multiple processors.
336 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
337 * output.h (label_to_alignment): Prototype.
339 * tree.c (new_alias_set): New function.
340 * tree.h (new_alias_set): Declare it.
341 * c-common.c (c_get_alias_set): Use it.
343 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
345 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
346 to an ABS expr, convert an unsigned input to signed.
348 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
350 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
352 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
354 * configure.in: Add support for c4x targets.
355 * configure: Rebuilt.
357 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
359 * combine.c (distribute_notes): If an insn is a cc0 user, only
360 delete it if we can also delete the cc0 setter.
362 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
364 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
365 (invert_truthvalue): Enable truthvalue inversion for
366 floating-point operands if -ffast-math.
368 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
370 * configure.in: Disable collect2 for nextstep. Instead use
372 * configure: Rebuilt.
373 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
374 (ENDFILE_SPEC): Define.
375 (OBJECT_FORMAT_MACHO): Define.
376 (EH_FRAME_SECTION_ASM_OP): Define.
377 * crtstuff.c: Handle MACHO.
379 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
381 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
383 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
385 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
386 (_fpadd_parts): Get sign right for 0.
388 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
390 * ginclude/varargs.h: Add support for C4x target.
391 * ginclude/stdargs.h: Likewise.
393 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
395 * alpha.c (alpha_return_addr): SET should be VOIDmode.
396 (alpha_emit_set_long_const): Rewrite to be callable from reload
398 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
399 * alpha.md (movdi): Likewise.
401 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
403 * arm.c (add_constant): New parameter address_only, change caller.
404 Set it non-zero if taking the address of an item in the pool.
405 (arm_reorg): Handle cases where we need the address of an item in
408 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
410 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
411 memory addresses that are not in standard canonical form.
413 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
415 * README.C4X: New file with information about the c4x ports.
416 * ginclude/va-c4x.h: New file for c4x varargs support.
417 * config/c4x: New directory with c4x port files.
419 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
421 * reload.c (find_reloads): Do not replace a pseudo with
422 (MEM (reg_equiv_addr)) in the initializing insn for the
425 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
427 * toplev.c (rest_of_compilation): Set bct_p on second call to
429 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
431 (strength_reduce): Only call analyze_loop_iterations and
432 insert_bct if bct_p set.
433 (check_dbra_loop): Fix typo.
434 (insert_bct): Use word_mode instead of SImode.
435 (instrument_loop_bct): Likewise. Do not delete iteration count
436 condition code generation insn. Initialize iteration count before
438 * rtl.h (loop_optimize): Update prototype.
440 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
441 not doubleword aligned.
443 * rs6000.c (optimization_options): New function.
444 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
445 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
446 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
447 first; cr1 can be used for FP record condition insns.
449 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
451 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
454 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
457 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
459 (block_move_call): New function: Call a library routine to copy a
461 (m32r_expand_block_move): New function: Expand a "movstrsi"
462 pattern into a sequence of insns.
463 (m32r_output_block_move): New function: Expand a
464 "movstrsi_internal" pattern into a sequence of assembler opcodes.
465 (m32r_block_immediate_operand): New function: Return true if the
466 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
468 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
470 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
472 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
474 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
476 * regmove.c (copy_src_to_dest): Check that modes match.
478 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
480 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
482 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
484 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
485 narrower than FLOAT_REGS.
487 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
489 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
491 * Makefile.in (old_gxx_include_dir): removed
493 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
495 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
498 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
499 (sh_handle_pragma): Change function arguments to match new
500 specification for HANDLE_PRAGMA.
502 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
504 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
506 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
507 When generating output, initialize missing struct member to zero.
509 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
511 * regmove.c (copy_src_to_dest): Don't copy if that requires
514 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
516 * global.c (reg_allocno): Now static.
517 * reload1.c (reg_allocno): Delete declaration.
518 (order_regs_for_reload): Take no arguments. Don't treat regs
519 allocated by global differently than those allocated by local-alloc.
521 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
523 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
524 condition, fix format strings.
525 (output_function_epilogue): Likewise.
527 * m68k/m68k.c: Don't include <stdlib.h> directly.
529 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
531 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
532 mem_first_set, mem_last_set; because 0 can be a CUID.
533 (oprs_unchanged_p): Use new definition.
534 (record_last_reg_set_info): Likewise.
535 (record_last_mem_set_info): Likewise.
536 (compute_hash_table): Likewise.
538 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
540 * rs6000.c (output_epilogue): Handle Chill.
542 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
543 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
545 * combine.c (make_extraction): If no mode is specified for
546 an operand of insv, extv, or extzv, default it to word_mode.
547 (simplify_comparison): Similarly.
548 * expmed.c (store_bit_field): Similarly.
549 (extract_bit_field): Similarly.
550 * function.c (fixup_var_regs_1): Similarly.
551 * recog.c (validate_replace_rtx_1): Similarly.
552 * mips.md (extv, extzv, insv expanders): Default modes for most
553 operands. Handle TARGET_64BIT.
554 (movdi_uld, movdi_usd): New patterns.
556 * pa.c (emit_move_sequence): Do not replace a pseudo with its
557 equivalent memory location unless we have been provided a scratch
558 register. Similarly do not call find_replacement unless a
559 scratch register has been provided.
561 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
563 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
566 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
568 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
569 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
570 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
571 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
572 * c-decl.c (init_decl_processing): Update accordingly.
573 * expr.c (expand_builtin): Likewise.
575 * rtl.h (global_rtl): Add cfa entry.
576 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
577 (LAST_VIRTUAL_REGISTER): Update.
578 * emit-rtl.c (global_rtl): Add cfa entry.
579 (init_emit): Initialize it.
580 * function.c (cfa_offset): New.
581 (instantiate_virtual_regs): Initialize it.
582 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
583 (expand_function_end): Call expand_eh_return.
584 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
586 * except.c (current_function_eh_stub_label): Kill.
587 (current_function_eh_old_stub_label): Likwise; update all references.
588 (expand_builtin_set_return_addr_reg): Kill.
589 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
590 (expand_builtin_set_eh_regs): Kill.
591 (eh_regs): Produce a third reg for the actual handler address.
592 (eh_return_context, eh_return_stack_adjust): New.
593 (eh_return_handler, eh_return_stub_label): New.
594 (init_eh_for_function): Initialize them.
595 (expand_builtin_eh_return, expand_eh_return): New.
596 * except.h: Update prototypes.
597 * flow.c (find_basic_blocks_1): Update references to the stub label.
598 * function.h (struct function): Kill stub label elements.
600 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
601 register number is one that would be in the previous window.
602 Provide a dummy definition for non-windowed targets.
603 (get_reg_addr): New function.
604 (get_reg, put_reg, copy_reg): Use it.
605 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
606 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
608 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
609 (alpha_init_expanders): Initialize it.
610 (alpha_expand_epilogue): Use it.
611 * alpha.h: Declare it.
612 * alpha.md (eh_epilogue): New.
614 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
615 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
617 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
619 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
622 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
624 * except.h (struct eh_entry): Add false_label field.
625 (end_catch_handler): Add prototype.
626 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
627 (start_catch_handler): When using old style exceptions, issue
628 runtime typematch code before continuing with the handler.
629 (end_catch_handler): New function, generates label after handler
630 if needed by older style exceptions.
631 (expand_start_all_catch): No need to check for new style exceptions.
632 (output_exception_table_entry): Only output the first handler label
633 for old style exceptions.
634 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
635 mechanism into one function, if a runtime matcher is provided.
637 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
639 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
641 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
643 * integrate.c (copy_decl_list): Fix typo.
645 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
647 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
650 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
652 * version.c: Bump for snapshot.
654 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
656 * version.c: Bump for snapshot.
658 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
660 * version.c: Bump for snapshot.
662 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
664 * invoke.texi (C Dialect Options): Put back missing @end itemize.
666 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
668 * configure.in: remove usage of `!' to negate the result of a
669 command; some common shells do not support it
671 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
673 * configure.in: in sparc9-sol2 config, use 'if test' not
675 * configure: Rebuilt.
677 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
679 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
680 (CPP_CPU_DEFAULT_SPEC): Likewise.
681 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
684 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
687 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
689 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
691 * collect2.c: Don't declare `sys_siglist' here.
692 (my_strsignal): Prototype and define new function. Use it in
693 place of `sys_siglist' hacks.
695 * mips_tfile.c: Likewise.
697 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
698 (GCC_NEED_DECLARATIONS): Likewise.
700 * system.h (strsignal): Prototype it, if necessary.
701 (sys_siglist): Declare it, if necessary.
703 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
705 * loop.c (move_movables): While removing insn sequences, preserve
706 the next pointer of the most recently deleted insn when we skip
709 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
711 * objc/config-lang.in: Do not output the name of the selected
712 thread file when building the front-end. The Makefile for the
713 runtime library will do this.
715 * objc/Make-lang.in: Do not build the runtime library or install
716 the Objective C header files. The Makefile for the runtime
717 library will do this.
719 * objc/Makefile.in (all.indirect): Only build the front-end.
720 (compiler): Rename to `frontend'.
721 (obj-runtime): Remove target.
722 (copy-headers): Likewise.
723 (clean): No need to remove `libobjc.a' any longer.
725 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
727 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
728 supported with -mcpu=xxx.
730 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
732 * flow.c (mark_set_1): Recognize multi-register structure return
733 values in CALL insns.
734 (mark_used_regs): Likewise.
735 (count_reg_sets_1): Likewise.
736 (count_reg_references): Likewise.
737 * rtlanal.c (note_stores): Likewise.
738 (reg_overlap_mentioned_p): Likewise.
739 * haifa-sched.c (check_live_1): Likewise.
740 (update_live_1): Likewise.
741 (sched_analyze_1): Likewise.
742 (sched_note_set): Likewise.
743 (birthing_insn_p): Likewise.
744 (attach_deaths): Likewise.
746 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
749 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
751 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
753 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
755 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
757 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
759 * configure.in: Add check for GAS subsection -1 support.
760 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
761 * configure config.in: Rebuilt.
762 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
763 SImode is subsection -1 works, else use DImode.
764 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
766 * config/sparc/sparc.c (sparc_output_addr_vec,
767 sparc_output_addr_diff_vec): Use them if defined.
769 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
771 * tree.h (DECL_ORIGIN): New macro.
772 * integrate.c (copy_and_set_decl_abstract_origin): New function.
773 (copy_decl_list): Use it.
774 (integrate_parm_decls): Likewise.
775 (integrate_decl_tree): Likewise.
776 * dwarf2out.c (decl_ultimate_origin): Simplify.
777 * dwarfout.c (decl_ultimate_origin): Likewise.
778 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
779 (pushdecl): Likewise.
781 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
783 * config/rs6000/rs6000.c (output_epilog): Add Java support.
785 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
787 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
789 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
791 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
792 empty or has a single entry.
794 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
795 before calling reg_to_stack.
797 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
799 * alpha.c (alphaev5_insn_pipe): Abort on default case.
800 (alphaev5_next_group): Swallow CLOBBERs and USEs.
802 * c-tree.h (warn_long_long): Declare it.
804 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
806 * emit-rtl.c (gen_lowpart_common): Disable optimization of
807 initialized float-int union if the value is a NaN.
809 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
811 * c-lex.c (real_yylex): Don't warn about long long constants if
812 we're allowing long long
814 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
816 * except.h (current_function_eh_stub_label): Declare.
817 (current_function_eh_old_stub_label): Declare.
818 * function.h (struct function): New members eh_stub_label and
820 * except.c (current_function_eh_stub_label): New variable.
821 (current_function_eh_old_stub_label): New variable.
822 (init_eh_for_function): Clear them.
823 (save_eh_status): Save them.
824 (restore_eh_status): Restore them.
825 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
826 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
827 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
828 make an edge from the block that contains it to the block starting
829 with the label if this label is one of the eh stub labels.
830 If eh stub labels exist, show they are reachable from the last block
833 * reload1.c (reload): Break out several subroutines and make some
835 (calculate_needs_all_insns): New function, broken out of reload.
836 (calculate_needs): Likewise.
837 (find_reload_regs): Likewise.
838 (find_group): Likewise.
839 (find_tworeg_group): Likewise.
840 (something_needs_reloads): New global variable, formerly in reload.
841 (something_needs_elimination): Likewise.
842 (caller_save_spill_class): Likewise.
843 (caller_save_group_size): Likewise.
844 (max_needs): Likewise.
845 (group_size): Likewise.
846 (max_groups): Likewise.
847 (max_nongroups): Likewise.
848 (group_mode): Likewise.
849 (max_needs_insn): Likewise.
850 (max_groups_insn): Likewise.
851 (max_nongroups_insn): Likewise.
854 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
856 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
858 * loop.c (load_mems): Copy rtx for output mem.
860 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
862 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
863 mips1 or mips2 either.
865 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
867 * pa.c (pa_reorg): New marking scheme for jumps inside switch
869 (pa_adjust_insn_length): Update to work with new marking scheme
870 for jumps inside switch tables.
871 * pa.md (switch_jump): Remove pattern.
872 (jump): Handle jumps inside jump tables.
874 * Makefile.in (profile.o): Depend on insn-config.h
876 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
878 * iris6.h (DWARF2_UNWIND_INFO): Undef.
880 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
882 Add preliminary native sparcv9 Solaris support.
883 * configure.in: Recognize sparv9-*-solaris2*
885 * config.sub: Recognize sparcv9 just like sparc64.
886 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
887 config/sparc/sol2-cn.asm: Macroize so it can be shared between
888 32-bit and 64-bit Solaris systems.
889 * config/sparc/t-sol2: Assemble those with cpp.
890 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
891 (*TF*_LIBCALL): If ARCH64 use V9 names.
892 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
894 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
896 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
897 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
899 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
901 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
902 to Pmode if CASE_VECTOR_MODE is something else.
904 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
906 * prefix.c (update_path): Correctly handle cases where PATH is
907 a substring of the builtin prefix, but specifies a different
910 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
912 * expr.c: Corrected comment about what MOVE_RATIO does.
913 * config/alpha/alpha.h: Ditto.
914 * config/1750a/1750a.h: Ditto.
915 * config/clipper/clipper.h: Ditto.
916 * config/i386/i386.h: Ditto.
918 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
920 * configure.in (m68k-next-nextstep3*): Use collect2.
921 Similarly for x86 NeXT configurations.
922 * configure: Rebuilt.
924 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
926 * configure.in: Don't assume srcdir is .../gcc
927 * configure: Rebuilt.
929 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
931 * global.c: Update comments.
932 (global_alloc): Assign allocation-numbers
933 even for registers allocated by local_alloc in case
934 they are later spilled and retry_global_alloc is called.
935 (mark_reg_store, mark_reg_clobber,
936 mark_reg_conflicts, mark_reg_death): Always record a
937 conflict with a pseudo register even if it has been
938 assigned to a hard register.
939 (dump_conflicts): Don't list pseudo registers already assigned to
940 a hard register as needing to be allocated, but do list their
942 * local-alloc.c: Update comment.
944 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
946 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
947 * configure: Rebuilt.
949 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
951 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
953 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
954 for all targets that set -msoft-float.
956 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
958 * toplev.c (print_switch_values): Make static to match prototype.
960 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
962 * configure.in: If we are unable to find the "gnatbind" program,
963 then do not configure the ada subdir.
964 * configure: Rebuilt.
966 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
968 * version.c: Bump for snapshot.
970 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
972 * version.c: Bump for snapshot.
974 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
976 * Makefile.in (toplev.o): Depend on $(EXPR_H).
977 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
979 * gansidecl.h: Define ATTRIBUTE_NORETURN.
981 * genattrtab.c: Have insn-attrtab.c include toplev.h.
983 * genextract.c: Have insn-extract.c include toplev.h.
985 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
987 * toplev.c: Include expr.h.
988 (really_sorry, fancy_abort): Remove prototypes.
989 (set_target_switch): Add argument in prototype.
990 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
991 (v_really_sorry): Likewise.
992 (print_version, print_single_switch, print_switch_values): Make
993 static and add prototype arguments.
994 (decl_printable_name): Add prototype arguments.
995 (lang_expand_expr_t): New typedef.
996 (lang_expand_expr): Declare as a lang_expand_expr_t.
997 (incomplete_decl_finalize_hook): Add prototype argument.
998 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
999 (botch): Likewise for variable `s'.
1000 (rest_of_type_compilation): Mark variables `type' and `toplev'
1001 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
1002 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
1003 (display_help): Make variable `i' an `unsigned long'.
1004 (main): Remove unused parameter `envp'.
1005 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
1006 Cast -1 when comparing it with a `size_t'.
1008 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
1009 prototype with ATTRIBUTE_NORETURN.
1010 (fatal_insn_not_found, fatal_insn, really_sorry,
1011 push_float_handler, pop_float_handler): Add prototypes.
1012 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
1013 (do_abort, botch): Add prototypes.
1015 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
1017 * final.c (final): If a label is reached only from a single jump,
1018 call NOTICE_UPDATE_CC on the jump and its predecessor before
1019 emitting the insn after the label.
1021 * i386.h: Add AMD K6 support.
1022 Change TARGET_* macros to use table lookup.
1023 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
1024 (ADJUST_COST): Change definition to call function in i386.c.
1025 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
1026 * i386.c: Add AMD K6 support.
1027 Add constants for feature tests used by TARGET_* macros.
1028 (split_di): If before reload, call gen_lowpart and gen_highpart.
1029 (x86_adjust_cost): New function.
1030 (put_jump_code): New function.
1031 (print_operand): New codes 'D' and 'd'.
1032 * i386.md: New insn types. New insn attribute "memory".
1033 Redefine scheduling parameters to use new types and add AMD K6
1034 support. Explicitly set type of most insns.
1035 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
1036 Pro and K6 prefer movl $1,reg to incl reg.
1037 (adddi3, subdi3): Set cc_status.
1038 (DImode shift patterns): Change label counters from HOST_WIDE_INT
1039 to int; x86 can't have more than 2^31 DImode shifts per file.
1040 (setcc): Combine all setcc patterns. Allow writing memory.
1041 Combine all jump patterns using match_operator.
1042 (*bzero): Name pattern. Emit mutliple stos instructions when that
1043 is faster than rep stos.
1044 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
1047 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
1049 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
1052 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
1054 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
1055 not whatever we're generating now.
1057 * alpha.c (set_frame_related_p, FRP): New.
1058 (alpha_expand_prologue): Mark frame related insns.
1059 (alpha_expand_epilogue): Likewise, but with a null FRP.
1060 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
1061 * alpha.md (exception_receiver): New.
1062 * alpha/crtbegin.asm (.eh_frame): New beginning.
1063 (__do_frame_setup, __do_frame_takedown): New.
1064 * alpha/crtend.asm (.eh_frame): New ending.
1065 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
1066 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
1067 (ASM_FILE_START): Don't emit .file for dwarf2.
1069 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
1070 * rtl.c (reg_note_name): Likewise.
1071 * rtl.texi (REG_NOTES): Likewise.
1072 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
1075 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
1077 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
1078 * i386.md (movsf, movdf, movxf): Validate memory address returned
1079 from force_const_mem. Kill useless REG_EQUAL setting code.
1081 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
1083 * m68k.md (zero_extendsidi2): Fix typo.
1085 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
1087 * configure.in: Removed references to the removed file
1088 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
1089 * arm*-*-netbsd* and ns32k-*-netbsd*.
1090 * config/i386/xm-netbsd.h: Removed unnecessary file.
1091 * config/m68k/xm-netbsd.h: Likewise.
1092 * config/sparc/xm-netbsd.h: Likewise.
1093 * config/mips/xm-netbsd.h: Likewise.
1095 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
1097 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
1098 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
1100 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
1101 for exact section attributions.
1103 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
1105 * i386/crtdll.h (CPP_PREDEFINES): Define.
1107 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
1109 * m68k.md (5200 movqi): Do not allow byte sized memory references
1111 * m68k.c (output_move_qimode): Do not use byte sized operations on
1114 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
1115 explicit rules for building. Similarly for alloca, vfprintf,
1116 choose-temp and mkstemp, getopt, getopt1, and obstack.
1117 (INCLUDES): Add $(srcdir)/../include.
1118 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
1119 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
1121 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
1123 * gcc.c (do_spec_1): [case 'o'] Account for
1124 lang_specific_extra_outfiles.
1125 (main): Correctly clear all slots in outfiles for
1126 lang_specific_extra_outfiles. Set input_file_number before
1127 calling lang_specific_pre_link.
1129 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
1131 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
1133 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1135 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
1137 (sparc_output_deferred_case_vectors): If no work to do, return.
1138 Fix thinko in Sept 1 change.
1140 1998-09-03 SL Baur <steve@altair.xemacs.org>
1142 * Makefile.in: add semicolon in BISON definition for portability.
1144 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
1146 * config/nextstep.c (handle_pragma): Correct name of third
1149 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
1151 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
1152 * config/m32r/m32r.h: Make register 17 be fixed.
1153 * config/m32r/m32r.c: Use SImode for cc operations.
1155 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
1157 * invoke.texi (Warning Options): Add -Wnon-template-friend
1160 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
1162 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
1164 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
1166 * rs6000.md (movsf): Disable explicit secondary-reload-like
1167 functionality if TARGET_POWERPC64.
1168 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
1171 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
1173 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
1174 and term.h from fixinc.wrap.
1176 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1178 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
1179 safe to include both string.h and strings.h together.
1180 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
1181 which headers to search for function declarations. Continue to
1182 prefer string.h over strings.h when both are not acceptable.
1184 * acconfig.h (STRING_WITH_STRINGS): Add stub.
1186 * configure.in: Call GCC_HEADER_STRING.
1188 * system.h: Test STRING_WITH_STRINGS when deciding which headers
1189 to include. Continue to prefer string.h over strings.h when both
1192 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1194 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
1195 not assume top 32-bits of symbolic addresses are zero if
1198 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
1200 * ginclude/va-alpha.h: Protect entire second portion of the
1201 file against double inclusion.
1203 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
1205 Added support for the Boehm's garbage collector.
1206 * configure.in: Handle --enable-objc-gc.
1207 * configure: Rebuilt.
1208 * Makefile.in (CHECK_TARGETS): Add check-objc.
1209 (check-objc): New rule.
1210 * objc/Make-lang.in: Build a different Objective-C library that
1211 runs with the Boehm's collector.
1212 * objc/encoding.c (objc_round_acc_size_for_types): New function.
1213 * objc/encoding.c: Correctly compute the size of compound types in
1214 the presence of bitfields. Skip the variable name of the type if
1215 any. Added support for long long.
1216 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
1217 (_F_GCINVISIBLE): New mask.
1218 * objc/gc.c: New file. Compute the type memory mask associated with
1219 a class based on the runtime information.
1220 * objc/misc.c: Added the hooks that use the Boehm's collector
1221 allocation functions.
1222 * objc/objc-act.c (build_class_template): Generate a new class
1223 member (gc_object_type) to hold the class' type memory mask.
1224 (build_shared_structure_initializer): Initialize the new member to
1226 (encode_complete_bitfield): New function. Generate the new
1228 (encode_field_decl): Generate the new encoding only for the GNU
1230 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
1232 (class_get_gc_object_type): New function to mark a pointer instance
1233 variable as a weak pointer.
1234 * objc/objc-features.texi: New file.
1235 * objc/objc.h (gc_object_type): New class member.
1236 * objc/objects.c (class_create_instance): Create a typed memory
1237 object when compiled with Boehm's collector support.
1238 * objc/sendmsg.c (__objc_init_install_dtable): Call
1239 __objc_send_initialize instead of setting the initialize flag.
1240 (__objc_send_initialize): Call __objc_generate_gc_type_description
1241 to generate the class type memory mask. Rewrite the code that
1242 sends the +initialize so that it is called only once (bug report
1243 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
1244 * testsuite/objc: New testsuite for Objective-C type encoding.
1245 * testsuite/lib/objc-torture.exp: New file.
1246 * testsuite/lib/objc.exp: New file.
1248 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
1250 * jump.c (jump_optimize): In if/then/else transformations, add
1251 another call to modified_between_p for the jump insn.
1253 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
1255 * fix-header.c (symlink): Treat like readlink.
1257 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1259 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
1262 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
1264 * config/nextstep.h: Update HANDLE_PRAGMA macro.
1265 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
1266 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
1268 * config/nextstep.c (handle_pragma): Take three arguments, as per
1269 the new HANDLE_PRAGMA macro specification.
1270 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
1271 per the new HANDLE_PRAGMA macro specification.
1272 * config/i960/i960.c (process_pragma): Take three arguments, as
1273 per the new HANDLE_PRAGMA macro specification.
1275 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
1277 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
1278 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
1279 if unknown pragmas are encountered.
1280 (handle_sysv_pragma): Interpret return code from
1281 handle_pragma_token (). Return success/failure indication rather
1282 than next unprocessed character.
1283 (pragma_getc): New function: retrieves characters from the
1284 input stream. Defined when HANDLE_PRAGMA is enabled.
1285 (pragma_ungetc): New function: replaces characters back into the
1286 input stream. Defined when HANDLE_PRAGMA is enabled.
1288 * c-pragma.c (handle_pragma_token): Return success/failure status
1291 * c-pragma.h: Change prototype of handle_pragma_token().
1293 * varasm.c: (handle_pragma_weak): Only create this function if
1294 HANDLE_PRAGMA_WEAK is defined.
1296 * c-common,c (decl_attributes): If defined call the expression
1297 contained within the INSERT_ATTRIBUTES macro before adding
1298 attributes to a decl.
1300 * tm.texi (HANDLE_PRAGMA): Document the new verion of
1301 HANDLE_PRAGMA, which takes three arguments.
1302 (INSERT_ATTRIBUTES): Document this new macro.
1304 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
1305 new INSERT_ATTRIBUTES macro.
1307 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1309 * config/sparc/sparc.md (movdf): Only generate special RTL for
1310 LABEL_REFs when PIC.
1311 (move_label_di): Remove
1312 (movdi_pic_label_ref, movdi_high_pic_label_ref,
1313 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
1314 references when PIC.
1315 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
1316 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
1317 output an .xword for all 64-bit cases.
1319 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1321 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
1322 alignment, use FUNCTION_BOUNDARY instead.
1323 (sparc_output_deferred_case_vectors): Likewise.
1325 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1327 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
1328 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
1330 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
1332 * alpha/va_list.h: New file.
1333 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
1335 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
1337 * NEWS: Add SCO Openserver and Unixware 7 notes.
1341 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
1343 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
1344 (record_constant_1): Handle RANGE_EXPR.
1346 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
1348 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
1349 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
1350 and NOTE_INSN_RANGE_END specially.
1351 (reemit_notes): Likewise.
1353 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1355 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
1356 (ultrasparc_sched_init): Remove unneeded &.
1358 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1360 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
1361 for m68020-60, to prevent the use of fintrz.
1363 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
1365 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
1367 * Makefile.in: Likewise.
1368 * configure: Regenerated.
1370 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
1372 * configure.in (gxx_include_dir): Changed to
1373 '${prefix}/include/g++'-${libstdcxx_interface}.
1374 * configure: Rebuilt.
1376 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
1378 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
1380 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
1381 *sequences* *below* which scalar moves will be used.
1383 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
1385 * collect2.c (mktemp): Delete unused declaration.
1387 * config/xm-netbsd.h: Remove unnecessary file.
1388 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
1389 file anymore, it is not needed.
1391 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
1393 * convert.c (convert_to_integer): Issue an error on conversions to
1396 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
1398 * Makefile.in: Add lang_tree_files and gencheck.h.
1399 * configure.in: Generate them.
1400 * gencheck.c: Include gencheck.h.
1402 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1404 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
1405 movdi_lo_sum_pic and movdi_high_pic and make visible.
1406 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
1407 emit these when Pmode is not SImode.
1408 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
1410 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
1412 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
1413 .linkonce directive after the first time.
1415 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
1417 * m68k.md (beq0_di): Generate correct (and more efficient) code when
1418 the clobbered operand overlaps with an input.
1419 (bne0_di): Similarly.
1421 * Makefile.in (INSTALL): Remove "--no-header" argument.
1423 * NEWS: Various updates.
1425 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1427 * config/sparc/sparc.c (arith_operand, const64_operand,
1428 const64_high_operand, arith_double_4096_operand): Mark mode as
1430 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
1432 (sparc_emit_set_const64): Remove unused variable i.
1433 (sparc_splitdi_legitimate): Likewise for addr_part.
1434 (ultra_code_from_mask): Likewise for mask.
1435 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
1436 reverse return values so it matches usage and comments.
1437 (ultra_flush_pipeline): Likewise.
1438 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
1439 this_type, and allow loads and stores of differing FP modes as
1440 they do not create a conflict.
1441 (ultra_find_type): Initialize fpmode to SFmode, fix
1442 parenthesization thinkos in large conditional.
1443 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
1444 Init free_slot_mask after ultra_cur_hist is reset, not before.
1445 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
1446 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
1447 use ultra_flush_pipeline instead, then re-init group pointer.
1448 Fix statement with no effect. If no progress made in, and no
1449 instructions scheduled at all, advance to new pipeline cycle else
1450 we get into an endless loop.
1451 (ultrasparc_adjust_cost): Remove previous arg.
1452 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
1454 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
1456 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
1457 code. Use reg_overlap_mentioned_p to detect when source and
1458 destination overlap.
1459 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
1461 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
1463 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
1464 COMPARISON_VAL, into invariant_p.
1466 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1468 * regmove.c (regclass_compatible_p): New function.
1469 (regmove_optimize): Use it.
1471 Use NREGS parameter insted of calling max_reg_num.
1473 (fixup_match_1): Don't use code = MINUS when later tieing with
1474 a hard register is likely.
1476 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1478 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
1479 COMPARISON_VAL was normalized.
1481 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
1483 * loop.c (check_dbra_loop): The loop ending comparison value
1484 must be an invariant or we can not reverse the loop.
1486 * loop.c (scan_loop): Count down from max_reg_num - 1 to
1487 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
1489 (load_mems_and_recount_loop_regs_set): Likewise.
1491 * i386.c (print_operand): Remove obsolete 'c' docs.
1493 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
1495 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
1496 * frame.c (init_object_mutex): New function.
1497 (init_object_mutex_once): Likewise.
1498 (find_fde): Call it.
1499 (__register_frame_info): Likewise.
1500 (__register_frame_info_table): Likewise.
1501 (__deregister_frame_info): Likewise.
1503 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
1505 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
1507 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1509 * loop.c (check_dbra_loop): Enable code for reversal
1510 of some loops without a known constant loop end.
1512 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
1514 * haifa-sched.c (last_clock_var): New.
1515 (schedule_block): Initialize it.
1516 (schedule_insn): Use it to fill insn modes with issue information.
1518 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
1519 Tag trapb and next insn with TImode.
1520 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
1521 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
1522 Invoke alphaev5_align_insns as appropriate.
1523 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
1524 (MD_SCHED_VARIABLE_ISSUE): New.
1525 * alpha.md (attr type): Add multi.
1526 (define_asm_attributes): New.
1527 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
1528 (arg_home): Likewise.
1529 (fnop, unop, realign): New.
1531 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
1533 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
1534 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
1536 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
1537 (rs6000-ibm-aix4.[12]*): Likewise.
1538 * configure: Regnerate.
1540 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
1542 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
1543 already contains the return address.
1545 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
1547 * calls.c (expand_call): Use bitfield instructions to extract/deposit
1548 word sized hunks when loading unaligned args into registers.
1550 * haifa-sched.c (sched_analyze_insn): Only create scheduling
1551 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
1553 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
1555 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1557 * loop.c (check_dbra_loop): Add some code that would allow reversal
1558 of some loops without a known constant loop end if it were enabled.
1560 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
1562 * mips.md (lshrsi3_internal2+2): Fix type-o.
1564 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1566 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
1567 correctly with regards to stdio.h.
1569 * calls.c: Remove stdarg.h/varargs.h.
1572 * combine.c: Likewise.
1573 * cpperror.c: Likewise.
1574 * cpplib.c: Likewise.
1575 * cpplib.h: Likewise.
1576 * doprint.c: Likewise.
1577 * emit-rtl.c: Likewise.
1578 * final.c: Likewise.
1579 * fix-header.c: Likewise.
1581 * genattr.c: Likewise.
1582 * genattrtab.c: Likewise.
1583 * gencodes.c: Likewise.
1584 * genconfig.c: Likewise.
1585 * genemit.c: Likewise.
1586 * genextract.c: Likewise.
1587 * genflags.c: Likewise.
1588 * genopinit.c: Likewise.
1589 * genoutput.c: Likewise.
1590 * genpeep.c: Likewise.
1591 * genrecog.c: Likewise.
1592 * mips-tfile.c: Likewise.
1593 * prefix.c: Likewise.
1594 * protoize.c: Likewise.
1595 * regmove.c: Likewise.
1596 * toplev.c: Likewise.
1599 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1601 * config/sparc/sparc.c (sparc_override_options): If not
1602 TARGET_FPU, turn off TARGET_VIS.
1603 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
1604 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
1605 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
1606 (movdi_insn_sp64): Add VIS fzero alternative.
1607 (clear_sf, clear_df): New VIS patterns.
1608 (movsf, movdf expanders): Allow fp_zero_operand flat out when
1610 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
1612 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
1614 * loop.c (n_times_set, n_times_used, may_not_optimize,
1615 reg_single_usage): Convert to varrays. All uses changed.
1616 (insert_loop_mem): Return a value.
1617 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
1618 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
1621 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
1624 * configure.in: Do not set thread_file to "irix" since no such
1627 * sparc.md (float abs/neg splits): Check reload_completed before
1628 calling alter_subreg.
1630 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1632 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
1634 * config/sparc/sparc.h: Declare it.
1635 * config/sparc/sparc.md (float abs/neg splits): Use it.
1636 (all other splits): Handle SUBREGs properly where necessary.
1637 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
1639 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
1641 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
1642 an insn on the unfilled_slots_list that has no delay slots.
1643 (fill_eager_delay_slots): Similarly.
1645 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
1647 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
1648 as an ordinary operand.
1650 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
1652 * tree.c (valid_machine_attribute): Don't apply attributes to both
1655 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
1657 * reload.c (operands_match_p): Handle rtvecs.
1659 * i386.c (legitimate_pic_address_disp_p): New.
1660 (legitimate_address_p): Use it.
1661 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
1662 Handle constant pool symbols just like statics.
1663 (emit_pic_move): Use Pmode not SImode for clarity.
1664 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
1665 [UNSPEC]: New, handling what we killed above.
1666 [PLUS]: Detect and abort on invalid symbol arithmetic.
1667 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
1669 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
1671 * alias.c: Include output.h.
1672 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
1673 different if we're in a varargs function.
1674 * Makefile.in (alias.o): Depend on output.h
1676 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1678 * sh.h (GIV_SORT_CRITERION): Delete.
1680 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
1682 * regclass.c (regclass): Use xmalloc/free instead of alloca.
1683 * stupid.c (stupid_life_analysis): Ditto.
1684 * reload1.c (reload): Ditto.
1686 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1688 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
1689 arith_double_4096_operand, arith_double_add_operand): New
1691 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
1692 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
1693 them to transform add/sub 4096 into add/sub -4096.
1695 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1697 * loop.c (scan_loop): Allocate some slop to handle pseudos
1698 generated by move_movables.
1699 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
1702 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
1704 * tree.def (DECL_RESULT): Correct documentation.
1706 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1708 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
1709 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
1710 conflicts will all RELOAD_FOR_OUTPUT reloads.
1712 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
1713 loads the function result, substitute with a USE.
1715 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1717 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
1718 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
1719 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
1720 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
1721 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
1722 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
1724 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
1725 'o' to 'm' for GPR variant constraints.
1727 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
1729 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
1731 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
1733 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
1734 when the source and destination overlap.
1736 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
1737 clash with global type.
1739 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
1741 * fixinc.irix: Add curses.h handling from fixinc.wrap.
1743 * c-common.c (combine_strings): Also set TREE_READONLY.
1744 Change warn_write_strings to flag_const_strings.
1745 * c-decl.c, c-tree.h: Likewise.
1747 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1749 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
1750 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
1751 sequence, use SET/IOR instead so CSE can see it.
1752 * config/sparc/sparc.md (movhi_const64_special,
1753 movsi_const64_special): New patterns necessitated by that change.
1754 (movhi_high): Remove.
1755 (movhi_lo_sum): Change to match an IOR.
1756 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
1757 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
1758 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
1759 (movdf splits): Allow when not V9 or when not ARCH64 and integer
1760 registers are involved.
1761 (snesi_zero_extend split): Remove reload_completed test.
1762 (unnamed plus and minus zero_extend sidi splits): Add it.
1764 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
1766 * extend.texi: Remove description of extension to explicit
1767 instantiation that is now endorsed by standard C++.
1769 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1771 * config/arc/arc.c (arc_initialize_pic): Remove.
1772 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
1773 nothing on any platform and is invoked by no-one, it does not even
1774 appear in the documentation.
1775 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
1776 * config/sparc/sparc.c (initialize_pic): Likewise.
1777 (find_addr_reg): Remove this as well, no longer referenced after
1780 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
1782 * recog.c (validate_replace_rtx_group): New function.
1783 * recog.h (validate_replace_rtx_group): Declare it.
1784 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
1785 the entire group of substitutions.
1787 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
1789 * loop.c (load_mems): Fix initializers.
1791 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1793 * config/sparc/sparc.md (TFmode splits): Handle destination
1794 registers being referenced in the address correctly.
1796 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
1797 TREE_UNSIGNED, when bitsize of type's mode is larger than
1798 HOST_BITS_PER_WIDE_INT.
1800 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1802 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
1803 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
1804 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
1806 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
1809 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
1811 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
1812 * h8300.h (TINY_DATA_NAME_P): Likewise.
1813 (STRIP_NAME_ENCODING): Handle '&'.
1815 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
1816 register (it could be accessed via an outer SUBREG).
1817 (REG_OK_FOR_BASE_P): Likewwise.
1818 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
1820 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
1823 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
1825 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1827 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
1828 must be offsettable so the splits can be made.
1830 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
1832 * config/i386/winnt.c: Include system.h, not stdio.h to get
1833 sys/param.h pulled in before rtl.h in case the system defines MIN
1836 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
1838 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
1840 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
1842 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
1844 * cpplib.c (cpp_define): Handle macros with parameters.
1846 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1848 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
1849 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
1850 and DImode 64-bit. Use llong for minimal-toc SFmode and
1851 SYMBOL_REF / LABEL_REF 64-bit.
1852 (output_function_profiler): Use llong for profiler label and ld to
1853 load 64-bit label address.
1855 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
1857 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
1860 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
1862 * version.c: Bump for snapshot.
1864 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
1866 * version.c: Bump for snapshot.
1868 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
1870 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
1872 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
1874 * tm.texi (Misc): Fix typo "teh".
1876 * tm.texi (PIC): Fix typo "PPIC".
1878 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
1879 effect when -O2 and higher.
1880 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
1882 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
1884 * regclass.c: Changed register set documentation to be consistent
1887 * final.c (final_start_function) Removed redundant test for
1890 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
1892 * rtl.h (rtx_function): New type.
1893 (for_each_rtx): New function.
1894 * rtlanal.c (for_each_rtx): Define it.
1896 * recog.c (change_t): New type.
1897 (change_objects, change_old_codes, change_locs, change_olds):
1899 (changes): New variable.
1900 (validate_change): Dynamically allocate room for more changes, if
1901 necessary. Uses changes array instead of change_objects, etc.
1902 (apply_change_group): Use changes array instead of
1903 change_objects, etc.
1905 * loop.c (loop_mem_info): New type.
1906 (loop_mems): New variable.
1907 (loop_mems_idx): Likewise.
1908 (looop_mems_allocated): Likewise.
1909 (scan_loop): Remove nregs parameter.
1910 (next_insn_in_loop): New function.
1911 (load_mems_and_recount_loop_regs_set): Likewise.
1912 (load_mems): Likewise.
1913 (insert_loop_mem): Likewise.
1914 (replace_loop_mem): Likewise.
1915 (replace_label): Likewise.
1916 (INSN_IN_RANGE_P): New macro.
1917 (loop_optimize): Don't pass max_reg_num() to scan_loop.
1918 (scan_loop): Remove nregs parameter, compute it after any new
1919 registers are created by load_mems. Use INSN_IN_RANGE_P and
1920 next_insn_in_loop rather than expanding them inline. Call
1921 load_mems to load memory into pseudos, if appropriate.
1922 (prescan_loop): Figure out whether or not there are jumps from the
1923 loop to targets other than the label immediately following the
1924 loop. Call insert_loop_mem to notice all the MEMs used in the
1925 loop, if it could be safe to pull MEMs into REGs for the duration
1927 (strength_reduce): Use next_insn_in_loop. Tweak comments.
1929 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
1931 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
1933 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1935 * config/sparc/sparc.c (finalize_pic): Check for the correct
1936 nonlocal_goto_receiver UNSPEC number.
1937 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
1938 making note of this dependency existing in sparc.c
1939 (negtf2_notv9 split): Give NEG SFmode.
1940 (negsf2): Fix insn output string.
1942 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
1944 * c-common.c (decl_attributes): Issue an error if the argument
1945 to alias is not a string.
1947 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
1949 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
1950 pending memory flush list.
1952 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
1954 (try_combine): Allow combining insns with REG_LIBCALL notes.
1956 * expr.c (emit_block_move): Do not call memcpy as a libcall
1957 instead build up a CALL_EXPR and call it like any other
1959 (clear_storage): Similarly for memset.
1961 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
1964 * Makefile.in (cplus-dem.o): Provide explicit rules for building
1967 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
1968 and REG_LIVE_LENGTH as successful substitutions are made.
1970 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1972 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
1973 statement after end of loop label.
1975 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1977 * config/sparc/sparc.c (ultra_types_avail): New variable.
1978 (ultra_build_types_avail): New function to record mask of insn
1979 types in ready list at this cycle.
1980 (ultrasparc_sched_reorder): Call it.
1981 (ultra_find_type): Use it to quicken the search. Also simplif
1982 dependency check, don't use rtx_equal_p because we know exactly
1983 what we are looking for.
1985 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
1987 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
1988 for architecture v4.
1990 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1992 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
1994 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
1995 movdf_const_intreg and helper splits): New patterns to move float
1996 constants into integer registers.
1997 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
2000 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
2003 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
2005 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
2007 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
2008 a BASE_REGS register is needed as an intermediate when copying
2009 a symbolic value into any register class other than BASE_REGS.
2011 * expr.c (move_by_pieces): No longer static. Remove prototype.
2012 * rtl.h (move_by_pieces): Add extern prototype.
2013 * mips.c (expand_block_move): Handle aligned straight line copy by
2014 calling move_by_pieces.
2016 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
2019 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
2021 * stmt.c (expand_end_loop): Tidy. Allow unconditional
2022 jumps out of the loop to be treated as part of the exit test.
2024 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2025 Jeff Law <law@cygnus.com>
2027 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
2028 * cplus-dem.c: Delete.
2030 * Makefile.in (fold-const.o): depend on $(RTL_H).
2032 * fold-const.c: Include rtl.h to get the prototype for
2033 `set_identifier_local_value'.
2035 * loop.c (express_from_1): Remove unused variable `tmp'.
2036 (combine_givs): cast the first argument of bzero to char *.
2038 * toplev.c (display_help): Remove unused variable `looking_for_start'.
2040 * c-decl.c (init_decl_processing): Remove unneeded &.
2042 * alpha.h (alpha_initialize_trampoline): Provide prototype.
2044 * except.c (set_exception_lang_code, set_exception_version_code):
2045 Change parameter from `short' to `int' to avoid using a gcc
2048 * except.h (set_exception_lang_code, set_exception_version_code):
2049 Likewise for prototypes.
2051 * flow.c (count_reg_references): Remove unused variables `regno'
2054 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
2056 * prefix.c (translate_name): Cast the result of `alloca'.
2058 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
2060 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2062 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
2064 (valid_dbcc_comparison_p): Mark mode argument as unused.
2065 (symbolic_operand): Likewise.
2066 (legitimize_pic_address): Likewise.
2067 (const_uint32_operand): Likewise.
2068 (const_sint32_operand): Likewise.
2069 * sched.c [!INSN_SCHEDULING]: Define only dummy function
2070 schedule_insns and comment out rest of file.
2072 * m68k.c (output_move_simode_const): Use subl to move a zero into an
2074 (output_move_[hq]imode): Likewise.
2076 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
2078 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
2079 * invoke.texi: Corresponding changes.
2081 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
2083 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
2085 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2087 * config/sparc/sparc.c (ultra_code_from_mask,
2088 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
2089 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
2090 ultrasparc_sched_init, ultrasparc_variable_issue,
2091 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
2092 functions to describe UltraSPARC pipeline exactly to Haifa.
2093 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
2094 as there is nothing the scheduler can do about it. Indicate that
2095 REG_DEP_OUTPUT's collide. Fixup formatting.
2096 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
2097 divide costs on Ultra for DImode.
2098 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
2100 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
2101 ieuN and add call_no_delay_slot to type list.
2102 (cti function unit): New unit for branches on UltraSPARC.
2103 (subx/addx insns): Set type to misc.
2104 (sidi zero/sign extension insns on arch64): Set type to shift.
2105 (sign_extendhidi2_insn): Set type to sload.
2107 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
2109 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
2110 (output_epilog): Use if != 0 for offset.
2111 (rs6000_fatal_bad_address): Prepare for Intl.
2112 * rs6000.h (rs6000_fatal_bad_address): Declare.
2113 * rs6000.md (movsfcc, movdfcc): Use else if.
2114 (elf_high): Use {liu|lis}.
2115 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
2116 (movsi): Use rs6000_fatal_bad_address.
2118 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
2120 * reload.c (find_equiv_reg): Reject equivalences separated
2121 by a volatile instruction.
2123 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2125 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
2127 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
2129 * alpha.md (movsicc): Fix mode mismatch.
2131 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
2133 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
2135 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
2137 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2139 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
2140 write-only modifier from operand 1 constraint.
2142 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2144 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
2145 emitting a XOR of -1 at the end, emit a NOT instead for combine's
2147 (sparc_emit_set_const64): Likewise, also when computing trailing
2148 bits do not negate low_bits and make fast_int an int.
2150 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
2152 * loop.c (add_label_notes): Do not ignore references to labels
2153 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
2154 * gcse.c (add_label_notes): Similarly.
2156 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
2158 * m68k.md (adddi_dilshr32): One of the operands must be a register.
2159 (adddi_dishl32): Similarly.
2161 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
2163 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
2164 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
2165 * cse.c (cse_basic_block): Add parens to shut up warnings.
2167 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2169 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
2170 sparc_emit_set_const64_longway, const64_is_2insns,
2171 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
2172 in 64-bit constant formation.
2173 * config/sparc/sparc.md (snesi_zero_extend split): Generate
2174 rtl for addx not subx.
2175 (define_insn movdi_const64_special): Make available even when
2176 HOST_BITS_PER_WIDE_INT is not 64.
2177 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
2178 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
2179 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
2180 instances of operand 1 inside a QI subreg.
2181 (xordi3_sp64_dbl): Remove '%' constraint for op1.
2182 (one_cmpldi2_sp64): Fix output string.
2183 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
2185 (unnamed arch64 ashift DI): Truncate shift count if greater than
2188 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2190 * expr.c (store_expr): Don't optimize away load-store pair
2191 when either source or destination have a side effect.
2193 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
2195 * genrecog.c (add_to_sequence): Fatal error if the modes of the
2196 operands of SET are incompatible.
2198 * alpha.md: Fix max and min patterns so modes of SET operands match.
2200 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
2202 * configure.in: Avoid [[ by using test and changequote.
2203 * configure: Rebuild.
2205 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2207 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
2209 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
2210 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
2211 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
2212 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
2213 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
2214 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
2215 Fix mismatching modes in SET operands.
2216 (conditional move patterns): Fix formatting.
2217 (unnamed subx arch64 pattern): Remove duplicate insn.
2219 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2221 * config/sparc/sparc.c (const64_operand, const64_high_operand):
2222 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
2223 (input_operand): Fixup test for what we accept for constant
2225 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
2227 (safe_constDI): Remove.
2228 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
2229 gen_safe_XOR64): New functions.
2230 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
2231 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
2233 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
2234 available when HOST_BITS_PER_WIDE_INT is not 64.
2235 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
2236 move before movdi_insn_sp64 pattern.
2237 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
2238 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
2239 symbolic_operand as predicate for second operand.
2240 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
2241 expander): Give set VOIDmode.
2243 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
2245 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
2247 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
2249 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
2251 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
2253 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
2255 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
2257 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
2259 * install.texi: Various SCO OpenServer tweaks.
2261 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
2263 * reload1.c (eliminate_regs_in_insn): Handle another case when
2264 eliminating the frame pointer to the hard frame pointer. Add
2265 missing ep->to_rtx check to one existing case.
2267 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
2269 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
2271 * tree.h: De-conditionalize init_priority code.
2273 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
2274 * collect2.c (NM_FLAGS): Change from -p to -n.
2276 * configure.in: Turn on collect2 for mipstx39-elf.
2277 Handle use_collect2=no properly.
2279 * c-common.c: De-conditionalize init_priority code.
2280 * collect2.c (extract_init_priority, sort_ids): New fns.
2281 (main): Call sort_ids.
2282 Move sequence_number to file scope.
2284 * configure.in: Handle --enable-init-priority.
2285 * c-common.c (attrs): Add A_INIT_PRIORITY.
2286 (init_attributes, decl_attributes): Likewise.
2287 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
2288 * tree.c (get_file_function_name_long): Split out...
2289 (get_file_function_name): ...from here.
2291 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
2293 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
2296 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
2298 * toplev.c (display_help): Add braces to shut up warnings.
2299 * tree.c (simple_cst_equal): Likewise.
2301 * fold-const.c (non_lvalue): Don't deal with null pointer
2303 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
2305 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
2306 of any size to a pointer.
2308 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
2310 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
2312 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
2314 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
2315 which will be saved.
2316 * mn10300.md (prologue insn): Only save registers which need saving.
2317 (epilogue insn): Similarly.
2319 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
2322 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
2324 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
2325 VAR_DECL's in gp addressable sections.
2327 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
2329 * sparc.c: Change return <exp> to <exp>; return; in functions
2331 * sparc.md: Add empty semicolon statement after final label in
2334 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2336 * config/sparc/sparc.md (define_insn addx_extend): Rename to
2337 addx_extend_sp64, only allow when TARGET_ARCH64.
2338 (define_insn addx_extend_sp32 and split): Version that works when
2340 (define_insn subx_extend): Likewise.
2341 (define_split adddi3 and subdi3 with zero extension): Fixup and
2342 correct bugs when not TARGET_ARCH64.
2344 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
2346 * except.c (set_exception_lang_code, set_exception_version_code):
2347 Use prototype-style definition if __STDC__, to match declaration
2350 * genemit.c: Change FAIL and DONE macros not to use loops.
2352 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
2354 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
2355 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
2357 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
2359 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
2361 * README.g77: Update from Craig.
2363 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2365 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
2367 (safe_constDI sparc_emit_set_const64_quick1,
2368 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
2369 analyze_64bit_constant, const64_is_2insns,
2370 create_simple_focus_bits): Fix some bugs when compiled on real
2372 (function_arg_record_value_3, function_arg_record_value_2,
2373 function_arg_record_value): Add fully prototyped forward decls.
2374 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
2375 to cmpsi_insn and use on both 64 and 32 bit targets.
2376 (define_insn cmpsi_insn_sp64): Remove.
2377 (define_expand zero_extendsidi2): Allow for 32-bit target too.
2378 (define_insn zero_extendsidi2_insn): Rename to
2379 zero_extendsidi2_insn_sp64.
2380 (define_insn zero_extendsidi2_insn_sp32): New pattern and
2381 assosciated forced split for it.
2383 * config/sparc/sparc.c (const64_operand, const64_high_operand):
2385 * config/sparc/sparc.h: Declare them.
2386 (PREDICATE_CODES): Add them.
2387 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
2388 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
2390 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
2392 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
2393 in v9 case as the latter makes the Solaris assembler crash.
2395 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2397 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
2398 for TFmode when !v9. We require offsettable memory addresses.
2399 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
2400 DFmode register number conversions.
2401 * config/sparc/sparc.md (define_split DFmode moves): If register
2402 is a SUBREG do alter_subreg on it before using.
2403 (define_expand movtf): Fixup comment about alignment on v9.
2404 (define_split TFmode moves): Don't use gen_{high,low}part, create
2405 explicit SUBREGs instead.
2407 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
2409 * Makefile.in (mbchar.o): Depend on mbchar.c.
2411 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2412 Richard Henderson <rth@cygnus.com>
2414 Rewrite Sparc backend for better code generation and
2415 improved sparc64 support.
2416 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
2418 * config/sparc/sysv4.h: Likewise.
2419 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
2420 move_operand, v8plus_regcmp_op, emit_move_sequence,
2421 singlemove_string, doublemove_string, mem_aligned_8,
2422 output_move_double, output_move_quad, output_fp_move_double,
2423 move_quad_direction, output_fp_move_quad, output_scc_insn):
2425 (small_int_or_double): New predicate.
2426 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
2427 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
2428 old pic_{sethi,lo_sum}_si patterns.
2429 (mem_min_alignment): New generic function to replace
2430 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
2431 available and can test for arbitrary alignments. All callers
2433 (save_regs, restore_regs, build_big_number,
2434 output_function_prologue, output_cbranch, output_return,
2435 sparc_flat_save_restore, sparc_flat_output_function_prologue,
2436 sparc_flat_output_function_epilogue): Prettify
2438 (output_function_epilogue): Likewise and add code to output
2439 deferred case vectors.
2440 (output_v9branch): Likewise, add new arg INSN and use it to tack
2441 on branch prediction settings. All callers changed.
2442 (print_operand): Likewise and output %l44 for LO_SUMs when
2444 (sparc_splitdi_legitimate): New function to make sure DImode
2445 splits can be run properly when !arch64.
2446 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
2447 Reformat example code in comments.
2448 (set_extends): Remove UNSPEC/v8plus_clear_high case.
2449 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
2450 of deferred case vectors we need to output.
2451 (sparc_defer_case_vector): Record a case vector.
2452 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
2453 sparc_output_deferred_case_vectors): New functions to output them.
2454 (sparc_emit_set_const32): New function to form 32-bit constants in
2455 registers when that requires more than one instruction.
2456 (safe_constDI, sparc_emit_set_const64_quick1,
2457 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
2458 analyze_64bit_constant, const64_is_2insns,
2459 create_simple_focus_bits, sparc_emit_set_const64): New functions
2460 which do the same for 64-bit constants when arch64.
2461 (sparc_emit_set_symbolic_const64): New function to emit address
2462 loading for all code models on v9.
2463 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
2464 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
2465 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
2466 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
2467 inaccuracies in comments, add symbolic and text_segment operands
2468 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
2469 GENERAL_REGS in these cases as a temp REG is needed to load these
2470 addresses into a register properly.
2471 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
2473 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
2474 quads are guarenteed to have 16-byte alignment.
2475 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
2476 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
2477 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
2478 deferred case vector implementation.
2479 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
2480 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
2481 Generate "internal label - label" instead of "label - 1b".
2482 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
2483 (PREDICATE_CODES): Remove sparc_operand, move_operand,
2484 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
2486 (doublemove_string, output_block_move, output_fp_move_double,
2487 output_fp_move_quad, output_move_double, output_move_quad,
2488 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
2489 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
2490 (sparc_emit_set_const32, sparc_emit_set_const64,
2491 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
2492 mem_min_alignment, small_int_or_double): Add externs.
2493 * config/sparc/sparc.md: Document the many uses of UNSPEC and
2494 UNSPEC_VOLATILE in this backend.
2495 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
2496 unary to types which execute in it.
2497 (define_function_unit ieu_shift): Rename to ieu0.
2498 (define_function_unit ieu1): New, executes compare, call, and
2499 uncond_branch type insns.
2500 (define_function_units for type fdivs, fdivd, fsqrt): These
2501 execute in the fpu multiply unit not the adder on UltraSparc.
2502 (define_expand cmpdi): Disallow TARGET_V8PLUS.
2503 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
2504 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
2505 allows the arith_double_operand predicate and rHI constraint when
2507 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
2508 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
2509 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
2510 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
2511 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
2512 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
2513 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
2514 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
2515 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
2516 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
2517 sign_extendqihi2_insn, sign_extendqisi2_insn,
2518 sign_extendqidi2_insn, sign_extendhidi2_insn,
2519 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
2520 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
2521 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
2522 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
2523 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
2524 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
2525 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
2526 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
2527 smulsi3_highpart_v8plus, unnamed subreg mult,
2528 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
2529 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
2530 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
2531 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
2532 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
2533 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
2534 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
2535 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
2536 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
2537 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
2538 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
2539 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
2540 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
2541 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
2542 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
2543 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
2544 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
2545 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
2546 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
2547 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
2548 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
2549 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
2550 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
2551 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
2552 call_address_untyped_struct_value_sp32,
2553 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
2554 call_value_symbolic_sp32, call_value_address_sp64,
2555 call_value_symbolic_sp64, branch_sp32, branch_sp64,
2556 flush_register_windows, goto_handler_and_restore,
2557 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
2558 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
2559 return_addsi, return_di, return_adddi, return_sf, all call+jump
2560 peepholes, trap, unnamed trap insns): Prettify output strings.
2561 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
2562 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
2563 Likewise and force + implement splits for integer cases.
2564 (define_insn return_sf_no_fpu): Likewise and allow to match when
2565 no-fpu because of our subreg SFmode splits.
2566 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
2567 zero_extendqidi2_insn, zero_extendhidi2_insn,
2568 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
2569 input_operand for second operand.
2570 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
2571 reg_or_0_operand for operand 2 so new splits can use it.
2572 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
2573 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
2575 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
2576 CONST_DOUBLEs for operand 2.
2577 (define_insn move_label_di): Likewise and label distance
2578 optimization because it no longer works with new deferred case
2579 vector scheme. To be revisited.
2580 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
2581 and allow reg_or_0_operand and J constraint for second operand.
2582 (define_insn jump): Set branch predict taken on V9.
2583 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
2584 new deferred case vector scheme.
2585 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
2586 (define_insn negdi2_sp32): Force + implement splits.
2587 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
2588 one_cmplsi2_not_liveg0 respectively, and create expander of original
2589 names which emit special rtl for TARGET_LIVE_G0.
2590 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
2591 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
2592 gen_compare_reg, FAIL instead.
2593 (define_insn sgtu, sleu): Likewise and check gen_s*() return
2594 values when trying to reverse condition codes, if they FAIL then
2596 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
2597 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
2598 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
2599 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
2600 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
2601 set output string to # to indicate they are mandatory splits.
2602 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
2603 pic_sethi_di, move_pic_label_si): Remove.
2604 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
2605 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
2607 (define_expand movsi_pic_label_ref, define_insn
2608 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
2609 expander and insns to handle PIC label references and deferred
2611 (define_insn get_pc_via_rdpc): Comment out as it is no longer
2613 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
2614 Rewrite to not use emit_move_sequence, make use of new constant
2615 formation code, and new splits for all multi-insn cases.
2616 (define_insn movqi_insn): Remove sethi case, it can never happen.
2617 Use reg_or_zero_operand instead of const0_rtx explicit test,
2618 use input_operand instead of move_operand for source, and use
2619 general_operand now for dest.
2620 (define_insn movhi_insn): Similar but leave sethi case.
2621 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
2622 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
2623 movhi_lo_sum respectively, prettify output string.
2624 (define_insn movsi_zero_liveg0): New pattern to put zero into a
2625 register when needed on TARGET_LIVE_G0.
2626 (define_insn movsi_insn): Use general_operand and input_operand
2627 for dest and src respectively. Simplify applicability test.
2628 Prettify output strings, and add clr alternative for J
2630 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
2631 deprecated std and reg-reg DI moves): Remove and...
2632 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
2633 implementation which uses forced splits for all non-single insn
2635 (define_split DI move cases on !arch64): New splits to handle all
2636 situations of 64-bit double register DImode on 32bit, and
2637 unaligned registers and memory addresses for all subtargets.
2638 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
2640 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
2641 input_operand for dest and src respectively, prettify output
2643 (define_insn movdf_insn, movdf_no_e_insn, store_df,
2644 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
2646 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
2647 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
2648 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
2649 movtf_no_e_insn_sp64) Replace with new
2650 implementation which uses forced splits for all non-single insn
2652 (define_split DF move cases): New splits in similar vein to DI
2654 (define_insn sethi_di_medlow, sethi_di_medium_pic,
2655 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
2656 movdi_sp64_insn): Remove old v9 code model and constant loading
2658 (define_insn pic_lo_sum_di, pic_sethi_di,
2659 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
2660 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
2661 embmedany_sethi, embmedany_losum, embmedany_brsum,
2662 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
2663 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
2664 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
2665 scheme, using unspecs, secondary reloads, and one to one sparc
2666 insn to rtl insn mapping for better scheduling and code gen.
2667 (define_expand reload_indi, reload_outdi): Reload helpers for
2668 MEDANY and EMBMEDANY symbol address loading cases which require a
2670 (define_expand movsicc): Remove v8plus_regcmp cases.
2671 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
2672 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
2673 cmp_diqi_trunc_set): New patterns used by some of the new scc
2675 (define_insn xordi3_sp64_dbl): New pattern used for constant
2676 formation when crossing from 32-bit targets.
2677 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
2679 (define_insn addx, subx): Make visible and prettify.
2680 (define_insn adddi3_insn_sp32): Likewise and force split.
2681 (define_insn addx_extend, subx_extend, unnamed): New patterns for
2682 64bit scc split usage.
2683 (define_insn unnamed plusDI zero_extend, unnamed minusDI
2684 zero_extend, subdi3): Force and implement splits.
2686 * final.c (final_scan_insn): Don't output labels if target
2687 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
2690 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
2691 don't forget to walk inside SEQUENCESs too as these are what the
2692 delay slot scheduler will create.
2694 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
2696 * alpha.md (extxl+1,+2): New patterns to work around
2699 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
2701 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
2702 caused bad assembly code to be generated.
2704 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
2706 * netbsd.h: Fix typo.
2708 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
2710 * config.sub: Fix typo.
2712 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
2714 * invoke.texi (Environment Variables): Typo: Change "ascpects"
2716 (Running Protoize): Typo: Change "ther" into "other".
2718 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
2720 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
2721 * m68k/netbsd.h: Likewise.
2722 * ns32k/netbsd.h: Likewise.
2723 * sparc/netbsd.h: Likewise.
2725 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
2727 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
2728 * ginclude/va-clipper.h (va_list): Likewise.
2730 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
2732 * rs6000.c (rs6000_override_options): If big endian and -Os, use
2733 load/store multiple instructions unless user overrides.
2735 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
2737 * ns32k/netbsd.h: Fix typo.
2739 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
2741 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
2742 labels with .debugsym if no parallel insns.
2744 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
2746 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
2747 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
2749 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
2751 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
2752 (AR_FOR_TARGET): Define.
2754 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
2756 * dyn-string.h: New file.
2757 * dyn-string.c: Likewise.
2758 * Makefile.in (OBJS): Add dyn-string.o.
2759 (dwarf2out.o): Add dyn-string.h dependency.
2760 (dyn-string.o): List dependencies.
2761 * dwarf2out.c: Include dyn-string.h.
2762 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
2763 (addr_const_to_string): Take a dyn_string_t, not a char* as a
2764 prototype. Use dyn_string_append rather than strcat, throughout.
2765 (addr_to_string): Use dyn_string_t.
2767 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
2769 Function entry/exit profiling instrumentation:
2770 * expr.h (profile_function_entry_libfunc,
2771 profile_function_exit_libfunc): Declare new variables.
2772 * optabs.c: Define them here.
2773 (init_optabs): Initialize them.
2774 * tree.h (struct tree_decl): New flag
2775 no_instrument_function_entry_exit.
2776 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
2777 * c-decl.c (duplicate_decls): Merge it.
2778 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
2779 (init_attributes): Use it for "no_instrument_function".
2780 (decl_attributes): Handle it, for functions that have not yet been
2781 compiled. Set decl flag.
2782 * flags.h (flag_instrument_function_entry_exit): Declare new
2784 * toplev.c (flag_instrument_function_entry_exit): Define it here.
2785 (f_options): New option "instrument-functions".
2786 * function.h (struct function): New field instrument_entry_exit.
2787 * function.c (current_function_instrument_entry_exit): New
2789 (push_function_context_to, pop_function_context_from): Save and
2791 (expand_function_start): Set current_ variable, maybe emit return
2792 label and entry profile call.
2793 (expand_function_end): Maybe emit exit profile call.
2795 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
2797 * i386.md (movqi): When optimizing a load of (const_int 1) into a
2798 NON_QI_REG_P, pretend the register is SImode.
2800 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
2802 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
2803 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
2804 manufacturer id for ns32k.
2805 * configure: Regenerated.
2806 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
2807 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
2808 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
2809 * config/m68k/netbsd.h: Same.
2810 * config/ns32k/netbsd.h: Same.
2811 * config/sparc/netbsd.h: Same.
2813 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
2815 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
2816 or UNROLL_COMPLETELY loop that starts with a jump to its
2819 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
2821 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
2822 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
2823 (print_operand, case 'B'): Don't fall through.
2824 (print_operand, case 'S'): Correct mask begin/end computation.
2825 Use HOST_BITS_PER_WIDE_INT.
2826 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
2827 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
2828 * rs6000/aix41.h (CPP_PREDEFINES): Same.
2829 * rs6000/aix43.h (CPP_PREDEFINES): Same.
2831 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
2833 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
2834 constraint from second alternative.
2836 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2838 * configure.in: Fix --without/--disable cases for local-prefix,
2839 gxx-include-dir and checking.
2841 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2843 * configure.in (enable_haifa): Set by default for sparc64 too.
2846 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2848 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
2849 * i386/winnt.c (associated_type): New fn.
2850 (i386_pe_valid_type_attribute_p): New fn.
2851 (i386_pe_check_vtable_importexport): Remove.
2852 (i386_pe_dllexport_p): Use associated_type.
2853 (i386_pe_dllimport_p): Likewise.
2855 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
2856 * i386.c (i386_valid_type_attribute_p): Also accept
2857 attributes for METHOD_TYPEs.
2859 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
2861 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
2863 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
2865 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
2867 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
2868 them from generating a new base name for each occurence of
2871 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
2873 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
2875 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
2879 * cplus-dem.c (type_kind_t): New type.
2880 (demangle_template_value_parm): Add type_kind_t parameter. Rely
2881 on this paramter, rather than demangling the type again.
2882 (demangle_integral_value): Pass tk_integral.
2883 (demangle_template_: Pass the value returned from do_type.
2884 (do_type): Return a type_kind_t. Pass tk_integral to
2885 demangle_template_value_parm for array bounds.
2886 (demangle_fund_type): Likewise.
2888 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
2890 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
2893 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
2895 * pa.c (move_operand): Accept CONSTANT_P_RTX.
2897 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
2899 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
2901 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
2904 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
2906 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
2907 (DEBUGGER_ARG_OFFSET): Likewise.
2909 * mn10300.md (movsf): Remove last change. Not needed.
2911 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
2913 * c-lex.c (yylex): Fix boundary conditions in character literal and
2914 string literal loops.
2916 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
2918 * longlong.h (count_leading_zeros): Sparclite scan instruction was
2919 being invoked incorrectly.
2921 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
2922 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
2924 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
2925 * configure.in: Added i[34567]86-*-win32
2926 * config.sub: Ditto.
2927 * configure: Rebuilt.
2929 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
2931 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
2932 the frame pointer and compiling PIC code and reload has not completed.
2934 * i386.c (output_to_reg): Add code to emulate non-popping DImode
2937 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
2939 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
2941 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2943 * Makefile.in (install-info): Only try to update the info
2944 directory file if it exists in the first place.
2946 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
2948 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
2950 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
2952 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
2953 CONST_DOUBLE source.
2955 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
2957 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
2958 strings as the insertion of USER_LABEL_PREFIX.
2959 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
2961 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
2964 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
2966 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
2967 already defined type.
2969 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
2971 * expr.c (check_max_integer_computation_mode): Allow conversions
2972 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
2973 (expand_expr): Likewise.
2975 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2977 * expr.c (expand_expr): Expand RETURN_EXPR.
2979 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
2981 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
2983 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
2985 * dwarf2out.c (output_aranges): Call stripattributes
2986 for TEXT_SECTION references.
2987 (output_line_info): Likewise.
2989 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2991 * profile.c (branch_prob): Call allocate_reg_info after outputting
2992 profile rtl in instrument_arcs.
2994 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
2996 * fixinc.irix (math.h): Install wrapper instead of copying.
2998 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3000 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
3001 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
3002 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
3003 lang_flag_0. Added documentation in the flag table.
3005 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
3007 * cccp.c (do_include): Fix vax c style include handling.
3009 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
3011 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
3013 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
3015 * fold-const.c (non_lvalue): Don't deal with null pointer
3017 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
3019 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
3021 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
3022 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
3023 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
3024 (u_short_cint_operand): Same.
3025 (reg_or_cint_operand): Same.
3026 (logical_operand): Same.
3027 (input_operand): Same.
3028 (reg_or_short_operand): Use u_short_cint_operand.
3030 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
3032 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
3033 but keep the insns and splits. Adjust so when the ultimate destination
3034 is memory, use cvtql.
3036 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
3038 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
3040 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
3042 * gcc.c (do_spec): Call "error" not "warning".
3044 * configure.in: Fix minor problems with gas feature detection code.
3045 * configure: Rebuilt.
3047 * gcc.c (do_spec): Issue a warning for '%[]' usage.
3050 * gcc.c: Delete %[spec] support.
3051 (do_spec_1, case '('): Likewise.
3052 (do_spec_1, case '['): Call error.
3054 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
3056 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
3057 (CPP_SUBTARGET_SPEC): Default to empty string.
3058 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
3059 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
3060 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
3061 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
3063 * alpha/linux.h (CPP_PREDEFINES): Tidy.
3064 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
3065 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
3066 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
3067 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
3068 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
3069 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
3070 * alpha/vxworks.h: Likewise.
3072 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
3074 * mips.md (reload_outsi): Added missing REGNO call.
3075 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
3077 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
3078 another match_operator and compare the codes.
3080 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
3082 * MIPS multiply pattern fixes:
3083 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3084 Add union classes for HI, LO, or HILO plus general registers.
3085 (GENERATE_MADD): Deleted.
3086 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
3087 Add TARGET_MAD to condition.
3088 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
3089 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
3090 "*d" for accumulator, to give preference to LO initially but not
3093 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
3095 * configure.in (enable_c_mbchar): New configure option.
3096 (extra_cpp_objs): Always available now.
3098 * cexp.y (mbchar.h): #include it.
3099 (yylex): Handle Multibyte characters in character literals.
3101 * cccp.c (mbchar.h): #include it.
3102 (main): Set character set based on LANG environment variable.
3103 (rescan): Handle multibyte characters in comments.
3104 (skip_if_group): See above.
3105 (validate_else): See above.
3106 (skip_to_end_of_comment): See above.
3107 (macarg1): See above.
3108 (discard_comments): See above.
3109 (rescan): Handle multibyte characters in string and character literals.
3110 (collect_expansion): See above.
3111 (skip_quoted_string): See above.
3112 (macroexpand): See above.
3113 (macarg1): See above.
3114 (discard_comments): See above.
3115 (change_newlines): See above.
3117 * c-lex.c (mbchar.h): #include it.
3118 (GET_ENVIRONMENT): New macro.
3119 (init_lex): Set character set based on LANG environment variable.
3120 (yylex): Handle multibyte characters in character literals.
3121 (yylex): Handle multibyte characters in string literals.
3123 * Makefile.in (mbchar.o): New target.
3124 (cccp$(exeext)): @extra_cpp_objs@ is always available.
3125 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
3127 * mbchar.[ch]: New files for multibyte character handling.
3129 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3131 * jump.c (jump_optimize): When simplifying noop moves and
3132 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
3133 the PUSHes to rewrite in second loop as we did in the first.
3135 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3137 * cplus-dem.c (demangle_nested_args): Make function definition
3138 static to match the prototype.
3140 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
3142 * alloca.c: Respect USE_C_ALLOCA.
3143 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
3144 * gengenrtl.c (xmalloc): Likewise.
3146 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
3148 * loop.h (struct induction): Add no_const_addval.
3149 * loop.c (the_movables, reg_address_cost): New variables.
3150 (init_loop): Init reg_address_cost.
3151 (loop_optimize): Call end_alias_analysis.
3152 (scan_loop): Init the_movables.
3153 (record_giv): Init induction->no_const_addval.
3154 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
3155 [REG]: Rearrange loop search test to catch more cases.
3156 (general_induction_var): Return success not benefit; take an extra
3157 argument for that. Change all callers.
3158 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
3159 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
3160 [default]: Search the_movables for additional combinations.
3161 (sge_plus_constant, sge_plus): New functions.
3162 (express_from_1): New function.
3163 (express_from): Always define. Rewrite using express_from_1.
3164 (combine_givs_p): Handle more cases. Ignore address cost.
3165 (cmp_combine_givs_stats): New function.
3166 (combine_givs_used_once, combine_givs_benefit_from): New functions.
3167 (combine_givs): Rewrite to do best-fit combination.
3169 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
3170 (fold): Do a complete (A*C)+(B*C) association check.
3172 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
3174 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
3176 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
3178 * mn10300.c (MODES_TIEABLE_P): Fix typo.
3180 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
3182 * tree.c (valid_machine_attribute): Only create a new type variant if
3183 there is a decl to use it.
3185 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
3187 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
3190 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
3192 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
3195 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
3197 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
3198 Simplify tests for clearing an address register.
3199 (expand_prologue): Corresponding changes.
3201 * mn10300.md (movXX patterns): Make sure the destination is an
3202 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
3203 (logical patterns): Split into expanders + patterns
3204 (zero and sign extension patterns): Similarly.
3205 (shift patterns): Similarly.
3207 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
3209 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
3210 for the sequence, recording base values.
3212 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
3214 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
3216 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
3218 * gcc.c: Remove ANSI-C ism from --help code.
3220 * toplev.c: Support --help with USE_CPPLIB.
3222 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
3224 * configure.in: Rework gas feature code to work with symlink based
3227 * extend.texi: Clarify some issues related to local variables
3228 assigned to explicit registers.
3230 * mn10300.md (mulsi): Turn into expander + pattern.
3232 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
3235 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
3237 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
3239 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
3241 * version.c: Bump again to distinguish mainline tree from the
3244 See ChangeLog.0 for earlier changes.
3247 add-log-time-format: current-time-string
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