1 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
3 * flags.h: Add flag_data_sections.
4 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5 (compile_file): Error if flag_data_sections not supported.
6 * varasm.c (assemble_variable): Handle flag_data_sections.
7 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
8 * config/mips/elf.h: Likewise.
9 * config/mips/elf64.h: Likewise.
10 * invoke.texi: Describe -fdata-sections.
12 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
14 * invoke.texi (-ffloat-store): Clarify that this option
15 does not affect intermediate results -- only variables.
17 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
19 * cpp.texi: Update for Fortran usage from Craig.
21 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
23 * rs6000.c (function_arg_boundary): Revert accidental change on
26 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
28 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
29 (output_mi_thunk): Declare.
31 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
32 (output_function_profiler): Use r12 for temp, instead of r11 so
33 that we preserve the static chain register.
35 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
37 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
39 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
41 * sh.c (gen_shl_sext): Fix case 5.
43 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
45 * reload1.c (reload_combine): Re-add line that got accidentally lost.
47 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
49 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
50 accessing variables until they are initialized via va_arg().
52 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
54 * reload1.c (reload_combine): Initialize set before using.
56 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
58 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
61 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
63 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
64 operand3 with mask before using it. Patch provided by Jim Wilson.
66 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
68 * config/sparc/sparc.c (function_value): Perform the equivalent of
69 PROMOTE_MODE for ARCH64.
70 (eligible_for_epilogue_delay): Allow DImode operations in delay
71 slot of a return for ARCH64.
73 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
75 * sh.md (sqrtsf2): Fix mode of sqrt.
77 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
79 * reload1.c (choose_reload_regs): Also try inheritance when
80 reload_in is a stack slot of a pseudo, even if we already got a
83 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
85 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
86 (reload_cse_regs): New function body: call reload_cse_regs_1,
87 reload_combine, reload_cse_move2add.
88 When doing expensive_optimizations, call reload_cse_regs_1 a
89 second time after reload_cse_move2add.
90 (reload_combine, reload_combine_note_store): New functions.
91 (reload_combine_note_use): New function.
92 (reload_cse_move2add, move2add_note_store): New functions.
94 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
96 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
97 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
99 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
100 more than 3 such reloads.
102 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
103 RELOAD_FOR_X_ADDR_ADDR reload.
105 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
107 * expr.c (store_constructor): When initializing a field that is smaller
108 than a word, at the start of a word, try to widen it to a full word.
110 * cse.c (cse_insn): When we are about to change a register,
111 remove any invalid references to it.
113 (remove_invalid_subreg_refs): New function.
114 (mention_regs): Special treatment for SUBREGs.
115 (insert_regs): Don't strip SUBREG for call to mention_regs.
116 Check if reg_tick needs to be bumped up before that call.
117 (lookup_as_function): Try to match known word_mode constants when
118 looking for a norrower constant.
119 (canon_hash): Special treatment for SUBREGs.
121 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
123 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
124 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
125 defined, emit libcall to __enable_execute_stack. Also fix opcodes
126 and offsets in actual stack trampoline code so they match the
127 commentary and actually work.
129 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
131 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
133 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
134 tmake_file. Set extra_parts to needed crt objects.
135 * configure: Rebuilt.
136 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
137 (TARGET_DEFAULT): Set if default is v9 or ultra.
138 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
139 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
140 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
141 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
142 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
143 (TARGET_VERSION): Define.
144 (MULTILIB_DEFAULT): Define.
145 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
146 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
147 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
149 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
150 * config/sparc/sparc.c (sparc_override_options): If arch and
151 pointer size disagree, emit diagnostic and fix it up. If
152 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
153 V8PLUS in 64-bit mode.
154 * config/sparc/t-linux64: New file.
155 * config/sparc/t-sol2-64: New file.
156 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
157 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
158 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
159 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
160 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
161 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
163 (STARTFILE_SPEC): Set approriately based upon those.
164 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
165 disposition of DEFAULT_ARCH32_P.
166 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
167 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
168 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
169 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
170 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
172 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
174 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
176 * rtl.h (init_virtual_regs): New function.
177 * emit-rtl.c (init_virtual_regs): Define.
179 * integrate.c (save_for_inline_copying): Likewise.
181 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
183 * config/arm/thumb.h: The following patches were made by Jim Wilson:
184 (enum reg_class): Add NONARG_LO_REGS support.
185 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
186 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
187 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
188 completes. Re-enable HImode REG+OFFSET addresses.
189 (LEGITIMIZE_RELOAD_ADDRESS): Define.
191 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
193 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
195 * alpha.c (get_aligned_mem): Revert Sep 20 change.
196 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
197 (alpha_align_insns): Properly calculate initial offset wrt max_align.
199 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
201 * arm.c (find_barrier): Revert change of Apr 23. Handle table
202 jumps as a single entity, taking into account the size of the
205 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
207 * tree.def (SWITCH_EXPR): New tree node definition.
209 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
211 * version.c: Bump for snapshot.
213 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
215 * version.c: Bump for snapshot.
217 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
219 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
222 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
225 * reload.c (find_reloads): Do not replace a pseudo with
226 (MEM (reg_equiv_addr)) in the initializing insn for the
229 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
231 * final.c (final_scan_insn): Disable tracking CC across branches.
233 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
235 * expr.h (eh_rtime_match_libfunc): New extern declaration.
236 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
237 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
238 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
239 NULL. Only include <stdio.h> if inhibit_libc is not defined.
241 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
243 * toplev.c (rest_of_compilation): Skip compiling anything with
244 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
246 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
248 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
249 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
250 use in_libcall_block.
251 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
252 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
255 Mon Sep 21 14:02:23 1998
257 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
258 typo in no-fancy-math-387 description.
260 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
262 * version.c: Bump for snapshot.
264 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
266 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
268 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
270 * i386.h: (TARGET_SWITCHES) Add description fields for flags
271 documented in install.texi.
272 (TARGET_OPTIONS) Likewise.
274 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
276 * version.c: Bump for snapshot.
278 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
280 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
281 * cccp.c (main): Likewise.
283 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
284 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
287 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
289 * Makefile.in (LIBS): Link in libiberty.a.
290 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
292 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
294 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
295 it to update bb boundaries. Update caller.
296 * function.c (reposition_prologue_and_epilogue_notes): Update
297 bb boundaries wrt the moved note.
299 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
301 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
303 * configure: Regenerate.
305 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
307 * alpha.c (alpha_sr_alias_set): New variable.
308 (override_options): Set it.
309 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
310 (mode_mask_operand): Fix signed-unsigned comparision warning.
311 (alpha_expand_block_move): Likewise.
312 (print_operand): Likewise.
313 (get_aligned_mem): Use change_address.
314 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
315 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
316 (alphaev4_next_nop, alphaev5_next_nop): New functions.
317 (alpha_align_insns): Remade from old alphaev5_align_insns
318 to handle multiple processors.
319 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
320 * output.h (label_to_alignment): Prototype.
322 * tree.c (new_alias_set): New function.
323 * tree.h (new_alias_set): Declare it.
324 * c-common.c (c_get_alias_set): Use it.
326 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
328 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
329 to an ABS expr, convert an unsigned input to signed.
331 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
333 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
335 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
337 * configure.in: Add support for c4x targets.
338 * configure: Rebuilt.
340 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
342 * combine.c (distribute_notes): If an insn is a cc0 user, only
343 delete it if we can also delete the cc0 setter.
345 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
347 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
348 (invert_truthvalue): Enable truthvalue inversion for
349 floating-point operands if -ffast-math.
351 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
353 * configure.in: Disable collect2 for nextstep. Instead use
355 * configure: Rebuilt.
356 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
357 (ENDFILE_SPEC): Define.
358 (OBJECT_FORMAT_MACHO): Define.
359 (EH_FRAME_SECTION_ASM_OP): Define.
360 * crtstuff.c: Handle MACHO.
362 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
364 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
366 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
368 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
369 (_fpadd_parts): Get sign right for 0.
371 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
373 * ginclude/varargs.h: Add support for C4x target.
374 * ginclude/stdargs.h: Likewise.
376 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
378 * alpha.c (alpha_return_addr): SET should be VOIDmode.
379 (alpha_emit_set_long_const): Rewrite to be callable from reload
381 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
382 * alpha.md (movdi): Likewise.
384 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
386 * arm.c (add_constant): New parameter address_only, change caller.
387 Set it non-zero if taking the address of an item in the pool.
388 (arm_reorg): Handle cases where we need the address of an item in
391 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
393 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
394 memory addresses that are not in standard canonical form.
396 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
398 * README.C4X: New file with information about the c4x ports.
399 * ginclude/va-c4x.h: New file for c4x varargs support.
400 * config/c4x: New directory with c4x port files.
402 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
404 * reload.c (find_reloads): Do not replace a pseudo with
405 (MEM (reg_equiv_addr)) in the initializing insn for the
408 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
410 * toplev.c (rest_of_compilation): Set bct_p on second call to
412 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
414 (strength_reduce): Only call analyze_loop_iterations and
415 insert_bct if bct_p set.
416 (check_dbra_loop): Fix typo.
417 (insert_bct): Use word_mode instead of SImode.
418 (instrument_loop_bct): Likewise. Do not delete iteration count
419 condition code generation insn. Initialize iteration count before
421 * rtl.h (loop_optimize): Update prototype.
423 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
424 not doubleword aligned.
426 * rs6000.c (optimization_options): New function.
427 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
428 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
429 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
430 first; cr1 can be used for FP record condition insns.
432 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
434 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
437 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
440 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
442 (block_move_call): New function: Call a library routine to copy a
444 (m32r_expand_block_move): New function: Expand a "movstrsi"
445 pattern into a sequence of insns.
446 (m32r_output_block_move): New function: Expand a
447 "movstrsi_internal" pattern into a sequence of assembler opcodes.
448 (m32r_block_immediate_operand): New function: Return true if the
449 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
451 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
453 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
455 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
457 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
459 * regmove.c (copy_src_to_dest): Check that modes match.
461 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
463 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
465 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
467 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
468 narrower than FLOAT_REGS.
470 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
472 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
474 * Makefile.in (old_gxx_include_dir): removed
476 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
478 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
481 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
482 (sh_handle_pragma): Change function arguments to match new
483 specification for HANDLE_PRAGMA.
485 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
487 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
489 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
490 When generating output, initialize missing struct member to zero.
492 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
494 * regmove.c (copy_src_to_dest): Don't copy if that requires
497 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
499 * global.c (reg_allocno): Now static.
500 * reload1.c (reg_allocno): Delete declaration.
501 (order_regs_for_reload): Take no arguments. Don't treat regs
502 allocated by global differently than those allocated by local-alloc.
504 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
506 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
507 condition, fix format strings.
508 (output_function_epilogue): Likewise.
510 * m68k/m68k.c: Don't include <stdlib.h> directly.
512 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
514 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
515 mem_first_set, mem_last_set; because 0 can be a CUID.
516 (oprs_unchanged_p): Use new definition.
517 (record_last_reg_set_info): Likewise.
518 (record_last_mem_set_info): Likewise.
519 (compute_hash_table): Likewise.
521 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
523 * rs6000.c (output_epilogue): Handle Chill.
525 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
526 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
528 * combine.c (make_extraction): If no mode is specified for
529 an operand of insv, extv, or extzv, default it to word_mode.
530 (simplify_comparison): Similarly.
531 * expmed.c (store_bit_field): Similarly.
532 (extract_bit_field): Similarly.
533 * function.c (fixup_var_regs_1): Similarly.
534 * recog.c (validate_replace_rtx_1): Similarly.
535 * mips.md (extv, extzv, insv expanders): Default modes for most
536 operands. Handle TARGET_64BIT.
537 (movdi_uld, movdi_usd): New patterns.
539 * pa.c (emit_move_sequence): Do not replace a pseudo with its
540 equivalent memory location unless we have been provided a scratch
541 register. Similarly do not call find_replacement unless a
542 scratch register has been provided.
544 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
546 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
549 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
551 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
552 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
553 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
554 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
555 * c-decl.c (init_decl_processing): Update accordingly.
556 * expr.c (expand_builtin): Likewise.
558 * rtl.h (global_rtl): Add cfa entry.
559 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
560 (LAST_VIRTUAL_REGISTER): Update.
561 * emit-rtl.c (global_rtl): Add cfa entry.
562 (init_emit): Initialize it.
563 * function.c (cfa_offset): New.
564 (instantiate_virtual_regs): Initialize it.
565 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
566 (expand_function_end): Call expand_eh_return.
567 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
569 * except.c (current_function_eh_stub_label): Kill.
570 (current_function_eh_old_stub_label): Likwise; update all references.
571 (expand_builtin_set_return_addr_reg): Kill.
572 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
573 (expand_builtin_set_eh_regs): Kill.
574 (eh_regs): Produce a third reg for the actual handler address.
575 (eh_return_context, eh_return_stack_adjust): New.
576 (eh_return_handler, eh_return_stub_label): New.
577 (init_eh_for_function): Initialize them.
578 (expand_builtin_eh_return, expand_eh_return): New.
579 * except.h: Update prototypes.
580 * flow.c (find_basic_blocks_1): Update references to the stub label.
581 * function.h (struct function): Kill stub label elements.
583 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
584 register number is one that would be in the previous window.
585 Provide a dummy definition for non-windowed targets.
586 (get_reg_addr): New function.
587 (get_reg, put_reg, copy_reg): Use it.
588 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
589 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
591 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
592 (alpha_init_expanders): Initialize it.
593 (alpha_expand_epilogue): Use it.
594 * alpha.h: Declare it.
595 * alpha.md (eh_epilogue): New.
597 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
598 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
600 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
602 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
605 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
607 * except.h (struct eh_entry): Add false_label field.
608 (end_catch_handler): Add prototype.
609 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
610 (start_catch_handler): When using old style exceptions, issue
611 runtime typematch code before continuing with the handler.
612 (end_catch_handler): New function, generates label after handler
613 if needed by older style exceptions.
614 (expand_start_all_catch): No need to check for new style exceptions.
615 (output_exception_table_entry): Only output the first handler label
616 for old style exceptions.
617 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
618 mechanism into one function, if a runtime matcher is provided.
620 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
622 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
624 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
626 * integrate.c (copy_decl_list): Fix typo.
628 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
630 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
633 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
635 * version.c: Bump for snapshot.
637 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
639 * version.c: Bump for snapshot.
641 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
643 * version.c: Bump for snapshot.
645 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
647 * invoke.texi (C Dialect Options): Put back missing @end itemize.
649 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
651 * configure.in: remove usage of `!' to negate the result of a
652 command; some common shells do not support it
654 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
656 * configure.in: in sparc9-sol2 config, use 'if test' not
658 * configure: Rebuilt.
660 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
662 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
663 (CPP_CPU_DEFAULT_SPEC): Likewise.
664 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
667 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
670 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
672 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
674 * collect2.c: Don't declare `sys_siglist' here.
675 (my_strsignal): Prototype and define new function. Use it in
676 place of `sys_siglist' hacks.
678 * mips_tfile.c: Likewise.
680 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
681 (GCC_NEED_DECLARATIONS): Likewise.
683 * system.h (strsignal): Prototype it, if necessary.
684 (sys_siglist): Declare it, if necessary.
686 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
688 * loop.c (move_movables): While removing insn sequences, preserve
689 the next pointer of the most recently deleted insn when we skip
692 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
694 * objc/config-lang.in: Do not output the name of the selected
695 thread file when building the front-end. The Makefile for the
696 runtime library will do this.
698 * objc/Make-lang.in: Do not build the runtime library or install
699 the Objective C header files. The Makefile for the runtime
700 library will do this.
702 * objc/Makefile.in (all.indirect): Only build the front-end.
703 (compiler): Rename to `frontend'.
704 (obj-runtime): Remove target.
705 (copy-headers): Likewise.
706 (clean): No need to remove `libobjc.a' any longer.
708 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
710 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
711 supported with -mcpu=xxx.
713 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
715 * flow.c (mark_set_1): Recognize multi-register structure return
716 values in CALL insns.
717 (mark_used_regs): Likewise.
718 (count_reg_sets_1): Likewise.
719 (count_reg_references): Likewise.
720 * rtlanal.c (note_stores): Likewise.
721 (reg_overlap_mentioned_p): Likewise.
722 * haifa-sched.c (check_live_1): Likewise.
723 (update_live_1): Likewise.
724 (sched_analyze_1): Likewise.
725 (sched_note_set): Likewise.
726 (birthing_insn_p): Likewise.
727 (attach_deaths): Likewise.
729 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
732 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
734 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
736 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
738 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
740 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
742 * configure.in: Add check for GAS subsection -1 support.
743 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
744 * configure config.in: Rebuilt.
745 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
746 SImode is subsection -1 works, else use DImode.
747 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
749 * config/sparc/sparc.c (sparc_output_addr_vec,
750 sparc_output_addr_diff_vec): Use them if defined.
752 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
754 * tree.h (DECL_ORIGIN): New macro.
755 * integrate.c (copy_and_set_decl_abstract_origin): New function.
756 (copy_decl_list): Use it.
757 (integrate_parm_decls): Likewise.
758 (integrate_decl_tree): Likewise.
759 * dwarf2out.c (decl_ultimate_origin): Simplify.
760 * dwarfout.c (decl_ultimate_origin): Likewise.
761 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
762 (pushdecl): Likewise.
764 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
766 * config/rs6000/rs6000.c (output_epilog): Add Java support.
768 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
770 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
772 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
774 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
775 empty or has a single entry.
777 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
778 before calling reg_to_stack.
780 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
782 * alpha.c (alphaev5_insn_pipe): Abort on default case.
783 (alphaev5_next_group): Swallow CLOBBERs and USEs.
785 * c-tree.h (warn_long_long): Declare it.
787 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
789 * emit-rtl.c (gen_lowpart_common): Disable optimization of
790 initialized float-int union if the value is a NaN.
792 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
794 * c-lex.c (real_yylex): Don't warn about long long constants if
795 we're allowing long long
797 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
799 * except.h (current_function_eh_stub_label): Declare.
800 (current_function_eh_old_stub_label): Declare.
801 * function.h (struct function): New members eh_stub_label and
803 * except.c (current_function_eh_stub_label): New variable.
804 (current_function_eh_old_stub_label): New variable.
805 (init_eh_for_function): Clear them.
806 (save_eh_status): Save them.
807 (restore_eh_status): Restore them.
808 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
809 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
810 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
811 make an edge from the block that contains it to the block starting
812 with the label if this label is one of the eh stub labels.
813 If eh stub labels exist, show they are reachable from the last block
816 * reload1.c (reload): Break out several subroutines and make some
818 (calculate_needs_all_insns): New function, broken out of reload.
819 (calculate_needs): Likewise.
820 (find_reload_regs): Likewise.
821 (find_group): Likewise.
822 (find_tworeg_group): Likewise.
823 (something_needs_reloads): New global variable, formerly in reload.
824 (something_needs_elimination): Likewise.
825 (caller_save_spill_class): Likewise.
826 (caller_save_group_size): Likewise.
827 (max_needs): Likewise.
828 (group_size): Likewise.
829 (max_groups): Likewise.
830 (max_nongroups): Likewise.
831 (group_mode): Likewise.
832 (max_needs_insn): Likewise.
833 (max_groups_insn): Likewise.
834 (max_nongroups_insn): Likewise.
837 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
839 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
841 * loop.c (load_mems): Copy rtx for output mem.
843 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
845 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
846 mips1 or mips2 either.
848 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
850 * pa.c (pa_reorg): New marking scheme for jumps inside switch
852 (pa_adjust_insn_length): Update to work with new marking scheme
853 for jumps inside switch tables.
854 * pa.md (switch_jump): Remove pattern.
855 (jump): Handle jumps inside jump tables.
857 * Makefile.in (profile.o): Depend on insn-config.h
859 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
861 * iris6.h (DWARF2_UNWIND_INFO): Undef.
863 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
865 Add preliminary native sparcv9 Solaris support.
866 * configure.in: Recognize sparv9-*-solaris2*
868 * config.sub: Recognize sparcv9 just like sparc64.
869 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
870 config/sparc/sol2-cn.asm: Macroize so it can be shared between
871 32-bit and 64-bit Solaris systems.
872 * config/sparc/t-sol2: Assemble those with cpp.
873 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
874 (*TF*_LIBCALL): If ARCH64 use V9 names.
875 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
877 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
879 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
880 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
882 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
884 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
885 to Pmode if CASE_VECTOR_MODE is something else.
887 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
889 * prefix.c (update_path): Correctly handle cases where PATH is
890 a substring of the builtin prefix, but specifies a different
893 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
895 * expr.c: Corrected comment about what MOVE_RATIO does.
896 * config/alpha/alpha.h: Ditto.
897 * config/1750a/1750a.h: Ditto.
898 * config/clipper/clipper.h: Ditto.
899 * config/i386/i386.h: Ditto.
901 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
903 * configure.in (m68k-next-nextstep3*): Use collect2.
904 Similarly for x86 NeXT configurations.
905 * configure: Rebuilt.
907 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
909 * configure.in: Don't assume srcdir is .../gcc
910 * configure: Rebuilt.
912 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
914 * global.c: Update comments.
915 (global_alloc): Assign allocation-numbers
916 even for registers allocated by local_alloc in case
917 they are later spilled and retry_global_alloc is called.
918 (mark_reg_store, mark_reg_clobber,
919 mark_reg_conflicts, mark_reg_death): Always record a
920 conflict with a pseudo register even if it has been
921 assigned to a hard register.
922 (dump_conflicts): Don't list pseudo registers already assigned to
923 a hard register as needing to be allocated, but do list their
925 * local-alloc.c: Update comment.
927 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
929 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
930 * configure: Rebuilt.
932 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
934 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
936 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
937 for all targets that set -msoft-float.
939 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
941 * toplev.c (print_switch_values): Make static to match prototype.
943 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
945 * configure.in: If we are unable to find the "gnatbind" program,
946 then do not configure the ada subdir.
947 * configure: Rebuilt.
949 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
951 * version.c: Bump for snapshot.
953 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
955 * version.c: Bump for snapshot.
957 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
959 * Makefile.in (toplev.o): Depend on $(EXPR_H).
960 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
962 * gansidecl.h: Define ATTRIBUTE_NORETURN.
964 * genattrtab.c: Have insn-attrtab.c include toplev.h.
966 * genextract.c: Have insn-extract.c include toplev.h.
968 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
970 * toplev.c: Include expr.h.
971 (really_sorry, fancy_abort): Remove prototypes.
972 (set_target_switch): Add argument in prototype.
973 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
974 (v_really_sorry): Likewise.
975 (print_version, print_single_switch, print_switch_values): Make
976 static and add prototype arguments.
977 (decl_printable_name): Add prototype arguments.
978 (lang_expand_expr_t): New typedef.
979 (lang_expand_expr): Declare as a lang_expand_expr_t.
980 (incomplete_decl_finalize_hook): Add prototype argument.
981 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
982 (botch): Likewise for variable `s'.
983 (rest_of_type_compilation): Mark variables `type' and `toplev'
984 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
985 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
986 (display_help): Make variable `i' an `unsigned long'.
987 (main): Remove unused parameter `envp'.
988 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
989 Cast -1 when comparing it with a `size_t'.
991 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
992 prototype with ATTRIBUTE_NORETURN.
993 (fatal_insn_not_found, fatal_insn, really_sorry,
994 push_float_handler, pop_float_handler): Add prototypes.
995 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
996 (do_abort, botch): Add prototypes.
998 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
1000 * final.c (final): If a label is reached only from a single jump,
1001 call NOTICE_UPDATE_CC on the jump and its predecessor before
1002 emitting the insn after the label.
1004 * i386.h: Add AMD K6 support.
1005 Change TARGET_* macros to use table lookup.
1006 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
1007 (ADJUST_COST): Change definition to call function in i386.c.
1008 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
1009 * i386.c: Add AMD K6 support.
1010 Add constants for feature tests used by TARGET_* macros.
1011 (split_di): If before reload, call gen_lowpart and gen_highpart.
1012 (x86_adjust_cost): New function.
1013 (put_jump_code): New function.
1014 (print_operand): New codes 'D' and 'd'.
1015 * i386.md: New insn types. New insn attribute "memory".
1016 Redefine scheduling parameters to use new types and add AMD K6
1017 support. Explicitly set type of most insns.
1018 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
1019 Pro and K6 prefer movl $1,reg to incl reg.
1020 (adddi3, subdi3): Set cc_status.
1021 (DImode shift patterns): Change label counters from HOST_WIDE_INT
1022 to int; x86 can't have more than 2^31 DImode shifts per file.
1023 (setcc): Combine all setcc patterns. Allow writing memory.
1024 Combine all jump patterns using match_operator.
1025 (*bzero): Name pattern. Emit mutliple stos instructions when that
1026 is faster than rep stos.
1027 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
1030 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
1032 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
1035 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
1037 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
1038 not whatever we're generating now.
1040 * alpha.c (set_frame_related_p, FRP): New.
1041 (alpha_expand_prologue): Mark frame related insns.
1042 (alpha_expand_epilogue): Likewise, but with a null FRP.
1043 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
1044 * alpha.md (exception_receiver): New.
1045 * alpha/crtbegin.asm (.eh_frame): New beginning.
1046 (__do_frame_setup, __do_frame_takedown): New.
1047 * alpha/crtend.asm (.eh_frame): New ending.
1048 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
1049 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
1050 (ASM_FILE_START): Don't emit .file for dwarf2.
1052 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
1053 * rtl.c (reg_note_name): Likewise.
1054 * rtl.texi (REG_NOTES): Likewise.
1055 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
1058 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
1060 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
1061 * i386.md (movsf, movdf, movxf): Validate memory address returned
1062 from force_const_mem. Kill useless REG_EQUAL setting code.
1064 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
1066 * m68k.md (zero_extendsidi2): Fix typo.
1068 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
1070 * configure.in: Removed references to the removed file
1071 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
1072 * arm*-*-netbsd* and ns32k-*-netbsd*.
1073 * config/i386/xm-netbsd.h: Removed unnecessary file.
1074 * config/m68k/xm-netbsd.h: Likewise.
1075 * config/sparc/xm-netbsd.h: Likewise.
1076 * config/mips/xm-netbsd.h: Likewise.
1078 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
1080 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
1081 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
1083 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
1084 for exact section attributions.
1086 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
1088 * i386/crtdll.h (CPP_PREDEFINES): Define.
1090 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
1092 * m68k.md (5200 movqi): Do not allow byte sized memory references
1094 * m68k.c (output_move_qimode): Do not use byte sized operations on
1097 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
1098 explicit rules for building. Similarly for alloca, vfprintf,
1099 choose-temp and mkstemp, getopt, getopt1, and obstack.
1100 (INCLUDES): Add $(srcdir)/../include.
1101 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
1102 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
1104 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
1106 * gcc.c (do_spec_1): [case 'o'] Account for
1107 lang_specific_extra_outfiles.
1108 (main): Correctly clear all slots in outfiles for
1109 lang_specific_extra_outfiles. Set input_file_number before
1110 calling lang_specific_pre_link.
1112 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
1114 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
1116 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1118 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
1120 (sparc_output_deferred_case_vectors): If no work to do, return.
1121 Fix thinko in Sept 1 change.
1123 1998-09-03 SL Baur <steve@altair.xemacs.org>
1125 * Makefile.in: add semicolon in BISON definition for portability.
1127 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
1129 * config/nextstep.c (handle_pragma): Correct name of third
1132 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
1134 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
1135 * config/m32r/m32r.h: Make register 17 be fixed.
1136 * config/m32r/m32r.c: Use SImode for cc operations.
1138 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
1140 * invoke.texi (Warning Options): Add -Wnon-template-friend
1143 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
1145 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
1147 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
1149 * rs6000.md (movsf): Disable explicit secondary-reload-like
1150 functionality if TARGET_POWERPC64.
1151 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
1154 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
1156 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
1157 and term.h from fixinc.wrap.
1159 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1161 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
1162 safe to include both string.h and strings.h together.
1163 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
1164 which headers to search for function declarations. Continue to
1165 prefer string.h over strings.h when both are not acceptable.
1167 * acconfig.h (STRING_WITH_STRINGS): Add stub.
1169 * configure.in: Call GCC_HEADER_STRING.
1171 * system.h: Test STRING_WITH_STRINGS when deciding which headers
1172 to include. Continue to prefer string.h over strings.h when both
1175 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1177 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
1178 not assume top 32-bits of symbolic addresses are zero if
1181 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
1183 * ginclude/va-alpha.h: Protect entire second portion of the
1184 file against double inclusion.
1186 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
1188 Added support for the Boehm's garbage collector.
1189 * configure.in: Handle --enable-objc-gc.
1190 * configure: Rebuilt.
1191 * Makefile.in (CHECK_TARGETS): Add check-objc.
1192 (check-objc): New rule.
1193 * objc/Make-lang.in: Build a different Objective-C library that
1194 runs with the Boehm's collector.
1195 * objc/encoding.c (objc_round_acc_size_for_types): New function.
1196 * objc/encoding.c: Correctly compute the size of compound types in
1197 the presence of bitfields. Skip the variable name of the type if
1198 any. Added support for long long.
1199 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
1200 (_F_GCINVISIBLE): New mask.
1201 * objc/gc.c: New file. Compute the type memory mask associated with
1202 a class based on the runtime information.
1203 * objc/misc.c: Added the hooks that use the Boehm's collector
1204 allocation functions.
1205 * objc/objc-act.c (build_class_template): Generate a new class
1206 member (gc_object_type) to hold the class' type memory mask.
1207 (build_shared_structure_initializer): Initialize the new member to
1209 (encode_complete_bitfield): New function. Generate the new
1211 (encode_field_decl): Generate the new encoding only for the GNU
1213 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
1215 (class_get_gc_object_type): New function to mark a pointer instance
1216 variable as a weak pointer.
1217 * objc/objc-features.texi: New file.
1218 * objc/objc.h (gc_object_type): New class member.
1219 * objc/objects.c (class_create_instance): Create a typed memory
1220 object when compiled with Boehm's collector support.
1221 * objc/sendmsg.c (__objc_init_install_dtable): Call
1222 __objc_send_initialize instead of setting the initialize flag.
1223 (__objc_send_initialize): Call __objc_generate_gc_type_description
1224 to generate the class type memory mask. Rewrite the code that
1225 sends the +initialize so that it is called only once (bug report
1226 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
1227 * testsuite/objc: New testsuite for Objective-C type encoding.
1228 * testsuite/lib/objc-torture.exp: New file.
1229 * testsuite/lib/objc.exp: New file.
1231 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
1233 * jump.c (jump_optimize): In if/then/else transformations, add
1234 another call to modified_between_p for the jump insn.
1236 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
1238 * fix-header.c (symlink): Treat like readlink.
1240 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1242 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
1245 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
1247 * config/nextstep.h: Update HANDLE_PRAGMA macro.
1248 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
1249 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
1251 * config/nextstep.c (handle_pragma): Take three arguments, as per
1252 the new HANDLE_PRAGMA macro specification.
1253 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
1254 per the new HANDLE_PRAGMA macro specification.
1255 * config/i960/i960.c (process_pragma): Take three arguments, as
1256 per the new HANDLE_PRAGMA macro specification.
1258 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
1260 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
1261 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
1262 if unknown pragmas are encountered.
1263 (handle_sysv_pragma): Interpret return code from
1264 handle_pragma_token (). Return success/failure indication rather
1265 than next unprocessed character.
1266 (pragma_getc): New function: retrieves characters from the
1267 input stream. Defined when HANDLE_PRAGMA is enabled.
1268 (pragma_ungetc): New function: replaces characters back into the
1269 input stream. Defined when HANDLE_PRAGMA is enabled.
1271 * c-pragma.c (handle_pragma_token): Return success/failure status
1274 * c-pragma.h: Change prototype of handle_pragma_token().
1276 * varasm.c: (handle_pragma_weak): Only create this function if
1277 HANDLE_PRAGMA_WEAK is defined.
1279 * c-common,c (decl_attributes): If defined call the expression
1280 contained within the INSERT_ATTRIBUTES macro before adding
1281 attributes to a decl.
1283 * tm.texi (HANDLE_PRAGMA): Document the new verion of
1284 HANDLE_PRAGMA, which takes three arguments.
1285 (INSERT_ATTRIBUTES): Document this new macro.
1287 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
1288 new INSERT_ATTRIBUTES macro.
1290 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1292 * config/sparc/sparc.md (movdf): Only generate special RTL for
1293 LABEL_REFs when PIC.
1294 (move_label_di): Remove
1295 (movdi_pic_label_ref, movdi_high_pic_label_ref,
1296 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
1297 references when PIC.
1298 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
1299 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
1300 output an .xword for all 64-bit cases.
1302 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1304 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
1305 alignment, use FUNCTION_BOUNDARY instead.
1306 (sparc_output_deferred_case_vectors): Likewise.
1308 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1310 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
1311 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
1313 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
1315 * alpha/va_list.h: New file.
1316 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
1318 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
1320 * NEWS: Add SCO Openserver and Unixware 7 notes.
1324 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
1326 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
1327 (record_constant_1): Handle RANGE_EXPR.
1329 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
1331 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
1332 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
1333 and NOTE_INSN_RANGE_END specially.
1334 (reemit_notes): Likewise.
1336 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1338 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
1339 (ultrasparc_sched_init): Remove unneeded &.
1341 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1343 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
1344 for m68020-60, to prevent the use of fintrz.
1346 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
1348 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
1350 * Makefile.in: Likewise.
1351 * configure: Regenerated.
1353 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
1355 * configure.in (gxx_include_dir): Changed to
1356 '${prefix}/include/g++'-${libstdcxx_interface}.
1357 * configure: Rebuilt.
1359 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
1361 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
1363 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
1364 *sequences* *below* which scalar moves will be used.
1366 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
1368 * collect2.c (mktemp): Delete unused declaration.
1370 * config/xm-netbsd.h: Remove unnecessary file.
1371 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
1372 file anymore, it is not needed.
1374 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
1376 * convert.c (convert_to_integer): Issue an error on conversions to
1379 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
1381 * Makefile.in: Add lang_tree_files and gencheck.h.
1382 * configure.in: Generate them.
1383 * gencheck.c: Include gencheck.h.
1385 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1387 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
1388 movdi_lo_sum_pic and movdi_high_pic and make visible.
1389 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
1390 emit these when Pmode is not SImode.
1391 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
1393 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
1395 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
1396 .linkonce directive after the first time.
1398 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
1400 * m68k.md (beq0_di): Generate correct (and more efficient) code when
1401 the clobbered operand overlaps with an input.
1402 (bne0_di): Similarly.
1404 * Makefile.in (INSTALL): Remove "--no-header" argument.
1406 * NEWS: Various updates.
1408 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1410 * config/sparc/sparc.c (arith_operand, const64_operand,
1411 const64_high_operand, arith_double_4096_operand): Mark mode as
1413 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
1415 (sparc_emit_set_const64): Remove unused variable i.
1416 (sparc_splitdi_legitimate): Likewise for addr_part.
1417 (ultra_code_from_mask): Likewise for mask.
1418 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
1419 reverse return values so it matches usage and comments.
1420 (ultra_flush_pipeline): Likewise.
1421 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
1422 this_type, and allow loads and stores of differing FP modes as
1423 they do not create a conflict.
1424 (ultra_find_type): Initialize fpmode to SFmode, fix
1425 parenthesization thinkos in large conditional.
1426 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
1427 Init free_slot_mask after ultra_cur_hist is reset, not before.
1428 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
1429 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
1430 use ultra_flush_pipeline instead, then re-init group pointer.
1431 Fix statement with no effect. If no progress made in, and no
1432 instructions scheduled at all, advance to new pipeline cycle else
1433 we get into an endless loop.
1434 (ultrasparc_adjust_cost): Remove previous arg.
1435 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
1437 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
1439 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
1440 code. Use reg_overlap_mentioned_p to detect when source and
1441 destination overlap.
1442 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
1444 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
1446 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
1447 COMPARISON_VAL, into invariant_p.
1449 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1451 * regmove.c (regclass_compatible_p): New function.
1452 (regmove_optimize): Use it.
1454 Use NREGS parameter insted of calling max_reg_num.
1456 (fixup_match_1): Don't use code = MINUS when later tieing with
1457 a hard register is likely.
1459 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1461 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
1462 COMPARISON_VAL was normalized.
1464 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
1466 * loop.c (check_dbra_loop): The loop ending comparison value
1467 must be an invariant or we can not reverse the loop.
1469 * loop.c (scan_loop): Count down from max_reg_num - 1 to
1470 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
1472 (load_mems_and_recount_loop_regs_set): Likewise.
1474 * i386.c (print_operand): Remove obsolete 'c' docs.
1476 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
1478 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
1479 * frame.c (init_object_mutex): New function.
1480 (init_object_mutex_once): Likewise.
1481 (find_fde): Call it.
1482 (__register_frame_info): Likewise.
1483 (__register_frame_info_table): Likewise.
1484 (__deregister_frame_info): Likewise.
1486 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
1488 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
1490 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1492 * loop.c (check_dbra_loop): Enable code for reversal
1493 of some loops without a known constant loop end.
1495 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
1497 * haifa-sched.c (last_clock_var): New.
1498 (schedule_block): Initialize it.
1499 (schedule_insn): Use it to fill insn modes with issue information.
1501 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
1502 Tag trapb and next insn with TImode.
1503 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
1504 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
1505 Invoke alphaev5_align_insns as appropriate.
1506 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
1507 (MD_SCHED_VARIABLE_ISSUE): New.
1508 * alpha.md (attr type): Add multi.
1509 (define_asm_attributes): New.
1510 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
1511 (arg_home): Likewise.
1512 (fnop, unop, realign): New.
1514 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
1516 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
1517 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
1519 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
1520 (rs6000-ibm-aix4.[12]*): Likewise.
1521 * configure: Regnerate.
1523 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
1525 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
1526 already contains the return address.
1528 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
1530 * calls.c (expand_call): Use bitfield instructions to extract/deposit
1531 word sized hunks when loading unaligned args into registers.
1533 * haifa-sched.c (sched_analyze_insn): Only create scheduling
1534 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
1536 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
1538 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1540 * loop.c (check_dbra_loop): Add some code that would allow reversal
1541 of some loops without a known constant loop end if it were enabled.
1543 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
1545 * mips.md (lshrsi3_internal2+2): Fix type-o.
1547 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1549 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
1550 correctly with regards to stdio.h.
1552 * calls.c: Remove stdarg.h/varargs.h.
1555 * combine.c: Likewise.
1556 * cpperror.c: Likewise.
1557 * cpplib.c: Likewise.
1558 * cpplib.h: Likewise.
1559 * doprint.c: Likewise.
1560 * emit-rtl.c: Likewise.
1561 * final.c: Likewise.
1562 * fix-header.c: Likewise.
1564 * genattr.c: Likewise.
1565 * genattrtab.c: Likewise.
1566 * gencodes.c: Likewise.
1567 * genconfig.c: Likewise.
1568 * genemit.c: Likewise.
1569 * genextract.c: Likewise.
1570 * genflags.c: Likewise.
1571 * genopinit.c: Likewise.
1572 * genoutput.c: Likewise.
1573 * genpeep.c: Likewise.
1574 * genrecog.c: Likewise.
1575 * mips-tfile.c: Likewise.
1576 * prefix.c: Likewise.
1577 * protoize.c: Likewise.
1578 * regmove.c: Likewise.
1579 * toplev.c: Likewise.
1582 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1584 * config/sparc/sparc.c (sparc_override_options): If not
1585 TARGET_FPU, turn off TARGET_VIS.
1586 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
1587 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
1588 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
1589 (movdi_insn_sp64): Add VIS fzero alternative.
1590 (clear_sf, clear_df): New VIS patterns.
1591 (movsf, movdf expanders): Allow fp_zero_operand flat out when
1593 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
1595 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
1597 * loop.c (n_times_set, n_times_used, may_not_optimize,
1598 reg_single_usage): Convert to varrays. All uses changed.
1599 (insert_loop_mem): Return a value.
1600 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
1601 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
1604 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
1607 * configure.in: Do not set thread_file to "irix" since no such
1610 * sparc.md (float abs/neg splits): Check reload_completed before
1611 calling alter_subreg.
1613 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1615 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
1617 * config/sparc/sparc.h: Declare it.
1618 * config/sparc/sparc.md (float abs/neg splits): Use it.
1619 (all other splits): Handle SUBREGs properly where necessary.
1620 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
1622 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
1624 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
1625 an insn on the unfilled_slots_list that has no delay slots.
1626 (fill_eager_delay_slots): Similarly.
1628 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
1630 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
1631 as an ordinary operand.
1633 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
1635 * tree.c (valid_machine_attribute): Don't apply attributes to both
1638 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
1640 * reload.c (operands_match_p): Handle rtvecs.
1642 * i386.c (legitimate_pic_address_disp_p): New.
1643 (legitimate_address_p): Use it.
1644 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
1645 Handle constant pool symbols just like statics.
1646 (emit_pic_move): Use Pmode not SImode for clarity.
1647 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
1648 [UNSPEC]: New, handling what we killed above.
1649 [PLUS]: Detect and abort on invalid symbol arithmetic.
1650 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
1652 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
1654 * alias.c: Include output.h.
1655 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
1656 different if we're in a varargs function.
1657 * Makefile.in (alias.o): Depend on output.h
1659 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1661 * sh.h (GIV_SORT_CRITERION): Delete.
1663 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
1665 * regclass.c (regclass): Use xmalloc/free instead of alloca.
1666 * stupid.c (stupid_life_analysis): Ditto.
1667 * reload1.c (reload): Ditto.
1669 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1671 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
1672 arith_double_4096_operand, arith_double_add_operand): New
1674 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
1675 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
1676 them to transform add/sub 4096 into add/sub -4096.
1678 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1680 * loop.c (scan_loop): Allocate some slop to handle pseudos
1681 generated by move_movables.
1682 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
1685 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
1687 * tree.def (DECL_RESULT): Correct documentation.
1689 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1691 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
1692 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
1693 conflicts will all RELOAD_FOR_OUTPUT reloads.
1695 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
1696 loads the function result, substitute with a USE.
1698 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1700 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
1701 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
1702 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
1703 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
1704 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
1705 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
1707 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
1708 'o' to 'm' for GPR variant constraints.
1710 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
1712 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
1714 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
1716 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
1717 when the source and destination overlap.
1719 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
1720 clash with global type.
1722 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
1724 * fixinc.irix: Add curses.h handling from fixinc.wrap.
1726 * c-common.c (combine_strings): Also set TREE_READONLY.
1727 Change warn_write_strings to flag_const_strings.
1728 * c-decl.c, c-tree.h: Likewise.
1730 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1732 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
1733 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
1734 sequence, use SET/IOR instead so CSE can see it.
1735 * config/sparc/sparc.md (movhi_const64_special,
1736 movsi_const64_special): New patterns necessitated by that change.
1737 (movhi_high): Remove.
1738 (movhi_lo_sum): Change to match an IOR.
1739 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
1740 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
1741 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
1742 (movdf splits): Allow when not V9 or when not ARCH64 and integer
1743 registers are involved.
1744 (snesi_zero_extend split): Remove reload_completed test.
1745 (unnamed plus and minus zero_extend sidi splits): Add it.
1747 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
1749 * extend.texi: Remove description of extension to explicit
1750 instantiation that is now endorsed by standard C++.
1752 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1754 * config/arc/arc.c (arc_initialize_pic): Remove.
1755 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
1756 nothing on any platform and is invoked by no-one, it does not even
1757 appear in the documentation.
1758 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
1759 * config/sparc/sparc.c (initialize_pic): Likewise.
1760 (find_addr_reg): Remove this as well, no longer referenced after
1763 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
1765 * recog.c (validate_replace_rtx_group): New function.
1766 * recog.h (validate_replace_rtx_group): Declare it.
1767 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
1768 the entire group of substitutions.
1770 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
1772 * loop.c (load_mems): Fix initializers.
1774 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1776 * config/sparc/sparc.md (TFmode splits): Handle destination
1777 registers being referenced in the address correctly.
1779 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
1780 TREE_UNSIGNED, when bitsize of type's mode is larger than
1781 HOST_BITS_PER_WIDE_INT.
1783 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1785 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
1786 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
1787 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
1789 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
1792 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
1794 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
1795 * h8300.h (TINY_DATA_NAME_P): Likewise.
1796 (STRIP_NAME_ENCODING): Handle '&'.
1798 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
1799 register (it could be accessed via an outer SUBREG).
1800 (REG_OK_FOR_BASE_P): Likewwise.
1801 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
1803 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
1806 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
1808 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1810 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
1811 must be offsettable so the splits can be made.
1813 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
1815 * config/i386/winnt.c: Include system.h, not stdio.h to get
1816 sys/param.h pulled in before rtl.h in case the system defines MIN
1819 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
1821 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
1823 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
1825 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
1827 * cpplib.c (cpp_define): Handle macros with parameters.
1829 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1831 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
1832 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
1833 and DImode 64-bit. Use llong for minimal-toc SFmode and
1834 SYMBOL_REF / LABEL_REF 64-bit.
1835 (output_function_profiler): Use llong for profiler label and ld to
1836 load 64-bit label address.
1838 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
1840 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
1843 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
1845 * version.c: Bump for snapshot.
1847 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
1849 * version.c: Bump for snapshot.
1851 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
1853 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
1855 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
1857 * tm.texi (Misc): Fix typo "teh".
1859 * tm.texi (PIC): Fix typo "PPIC".
1861 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
1862 effect when -O2 and higher.
1863 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
1865 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
1867 * regclass.c: Changed register set documentation to be consistent
1870 * final.c (final_start_function) Removed redundant test for
1873 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
1875 * rtl.h (rtx_function): New type.
1876 (for_each_rtx): New function.
1877 * rtlanal.c (for_each_rtx): Define it.
1879 * recog.c (change_t): New type.
1880 (change_objects, change_old_codes, change_locs, change_olds):
1882 (changes): New variable.
1883 (validate_change): Dynamically allocate room for more changes, if
1884 necessary. Uses changes array instead of change_objects, etc.
1885 (apply_change_group): Use changes array instead of
1886 change_objects, etc.
1888 * loop.c (loop_mem_info): New type.
1889 (loop_mems): New variable.
1890 (loop_mems_idx): Likewise.
1891 (looop_mems_allocated): Likewise.
1892 (scan_loop): Remove nregs parameter.
1893 (next_insn_in_loop): New function.
1894 (load_mems_and_recount_loop_regs_set): Likewise.
1895 (load_mems): Likewise.
1896 (insert_loop_mem): Likewise.
1897 (replace_loop_mem): Likewise.
1898 (replace_label): Likewise.
1899 (INSN_IN_RANGE_P): New macro.
1900 (loop_optimize): Don't pass max_reg_num() to scan_loop.
1901 (scan_loop): Remove nregs parameter, compute it after any new
1902 registers are created by load_mems. Use INSN_IN_RANGE_P and
1903 next_insn_in_loop rather than expanding them inline. Call
1904 load_mems to load memory into pseudos, if appropriate.
1905 (prescan_loop): Figure out whether or not there are jumps from the
1906 loop to targets other than the label immediately following the
1907 loop. Call insert_loop_mem to notice all the MEMs used in the
1908 loop, if it could be safe to pull MEMs into REGs for the duration
1910 (strength_reduce): Use next_insn_in_loop. Tweak comments.
1912 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
1914 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
1916 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1918 * config/sparc/sparc.c (finalize_pic): Check for the correct
1919 nonlocal_goto_receiver UNSPEC number.
1920 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
1921 making note of this dependency existing in sparc.c
1922 (negtf2_notv9 split): Give NEG SFmode.
1923 (negsf2): Fix insn output string.
1925 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
1927 * c-common.c (decl_attributes): Issue an error if the argument
1928 to alias is not a string.
1930 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
1932 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
1933 pending memory flush list.
1935 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
1937 (try_combine): Allow combining insns with REG_LIBCALL notes.
1939 * expr.c (emit_block_move): Do not call memcpy as a libcall
1940 instead build up a CALL_EXPR and call it like any other
1942 (clear_storage): Similarly for memset.
1944 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
1947 * Makefile.in (cplus-dem.o): Provide explicit rules for building
1950 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
1951 and REG_LIVE_LENGTH as successful substitutions are made.
1953 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1955 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
1956 statement after end of loop label.
1958 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1960 * config/sparc/sparc.c (ultra_types_avail): New variable.
1961 (ultra_build_types_avail): New function to record mask of insn
1962 types in ready list at this cycle.
1963 (ultrasparc_sched_reorder): Call it.
1964 (ultra_find_type): Use it to quicken the search. Also simplif
1965 dependency check, don't use rtx_equal_p because we know exactly
1966 what we are looking for.
1968 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
1970 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
1971 for architecture v4.
1973 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1975 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
1977 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
1978 movdf_const_intreg and helper splits): New patterns to move float
1979 constants into integer registers.
1980 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
1983 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
1986 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
1988 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
1990 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
1991 a BASE_REGS register is needed as an intermediate when copying
1992 a symbolic value into any register class other than BASE_REGS.
1994 * expr.c (move_by_pieces): No longer static. Remove prototype.
1995 * rtl.h (move_by_pieces): Add extern prototype.
1996 * mips.c (expand_block_move): Handle aligned straight line copy by
1997 calling move_by_pieces.
1999 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
2002 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
2004 * stmt.c (expand_end_loop): Tidy. Allow unconditional
2005 jumps out of the loop to be treated as part of the exit test.
2007 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2008 Jeff Law <law@cygnus.com>
2010 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
2011 * cplus-dem.c: Delete.
2013 * Makefile.in (fold-const.o): depend on $(RTL_H).
2015 * fold-const.c: Include rtl.h to get the prototype for
2016 `set_identifier_local_value'.
2018 * loop.c (express_from_1): Remove unused variable `tmp'.
2019 (combine_givs): cast the first argument of bzero to char *.
2021 * toplev.c (display_help): Remove unused variable `looking_for_start'.
2023 * c-decl.c (init_decl_processing): Remove unneeded &.
2025 * alpha.h (alpha_initialize_trampoline): Provide prototype.
2027 * except.c (set_exception_lang_code, set_exception_version_code):
2028 Change parameter from `short' to `int' to avoid using a gcc
2031 * except.h (set_exception_lang_code, set_exception_version_code):
2032 Likewise for prototypes.
2034 * flow.c (count_reg_references): Remove unused variables `regno'
2037 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
2039 * prefix.c (translate_name): Cast the result of `alloca'.
2041 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
2043 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2045 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
2047 (valid_dbcc_comparison_p): Mark mode argument as unused.
2048 (symbolic_operand): Likewise.
2049 (legitimize_pic_address): Likewise.
2050 (const_uint32_operand): Likewise.
2051 (const_sint32_operand): Likewise.
2052 * sched.c [!INSN_SCHEDULING]: Define only dummy function
2053 schedule_insns and comment out rest of file.
2055 * m68k.c (output_move_simode_const): Use subl to move a zero into an
2057 (output_move_[hq]imode): Likewise.
2059 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
2061 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
2062 * invoke.texi: Corresponding changes.
2064 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
2066 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
2068 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2070 * config/sparc/sparc.c (ultra_code_from_mask,
2071 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
2072 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
2073 ultrasparc_sched_init, ultrasparc_variable_issue,
2074 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
2075 functions to describe UltraSPARC pipeline exactly to Haifa.
2076 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
2077 as there is nothing the scheduler can do about it. Indicate that
2078 REG_DEP_OUTPUT's collide. Fixup formatting.
2079 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
2080 divide costs on Ultra for DImode.
2081 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
2083 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
2084 ieuN and add call_no_delay_slot to type list.
2085 (cti function unit): New unit for branches on UltraSPARC.
2086 (subx/addx insns): Set type to misc.
2087 (sidi zero/sign extension insns on arch64): Set type to shift.
2088 (sign_extendhidi2_insn): Set type to sload.
2090 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
2092 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
2093 (output_epilog): Use if != 0 for offset.
2094 (rs6000_fatal_bad_address): Prepare for Intl.
2095 * rs6000.h (rs6000_fatal_bad_address): Declare.
2096 * rs6000.md (movsfcc, movdfcc): Use else if.
2097 (elf_high): Use {liu|lis}.
2098 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
2099 (movsi): Use rs6000_fatal_bad_address.
2101 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
2103 * reload.c (find_equiv_reg): Reject equivalences separated
2104 by a volatile instruction.
2106 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2108 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
2110 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
2112 * alpha.md (movsicc): Fix mode mismatch.
2114 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
2116 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
2118 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
2120 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2122 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
2123 write-only modifier from operand 1 constraint.
2125 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2127 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
2128 emitting a XOR of -1 at the end, emit a NOT instead for combine's
2130 (sparc_emit_set_const64): Likewise, also when computing trailing
2131 bits do not negate low_bits and make fast_int an int.
2133 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
2135 * loop.c (add_label_notes): Do not ignore references to labels
2136 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
2137 * gcse.c (add_label_notes): Similarly.
2139 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
2141 * m68k.md (adddi_dilshr32): One of the operands must be a register.
2142 (adddi_dishl32): Similarly.
2144 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
2146 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
2147 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
2148 * cse.c (cse_basic_block): Add parens to shut up warnings.
2150 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2152 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
2153 sparc_emit_set_const64_longway, const64_is_2insns,
2154 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
2155 in 64-bit constant formation.
2156 * config/sparc/sparc.md (snesi_zero_extend split): Generate
2157 rtl for addx not subx.
2158 (define_insn movdi_const64_special): Make available even when
2159 HOST_BITS_PER_WIDE_INT is not 64.
2160 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
2161 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
2162 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
2163 instances of operand 1 inside a QI subreg.
2164 (xordi3_sp64_dbl): Remove '%' constraint for op1.
2165 (one_cmpldi2_sp64): Fix output string.
2166 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
2168 (unnamed arch64 ashift DI): Truncate shift count if greater than
2171 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2173 * expr.c (store_expr): Don't optimize away load-store pair
2174 when either source or destination have a side effect.
2176 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
2178 * genrecog.c (add_to_sequence): Fatal error if the modes of the
2179 operands of SET are incompatible.
2181 * alpha.md: Fix max and min patterns so modes of SET operands match.
2183 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
2185 * configure.in: Avoid [[ by using test and changequote.
2186 * configure: Rebuild.
2188 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2190 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
2192 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
2193 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
2194 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
2195 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
2196 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
2197 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
2198 Fix mismatching modes in SET operands.
2199 (conditional move patterns): Fix formatting.
2200 (unnamed subx arch64 pattern): Remove duplicate insn.
2202 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2204 * config/sparc/sparc.c (const64_operand, const64_high_operand):
2205 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
2206 (input_operand): Fixup test for what we accept for constant
2208 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
2210 (safe_constDI): Remove.
2211 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
2212 gen_safe_XOR64): New functions.
2213 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
2214 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
2216 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
2217 available when HOST_BITS_PER_WIDE_INT is not 64.
2218 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
2219 move before movdi_insn_sp64 pattern.
2220 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
2221 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
2222 symbolic_operand as predicate for second operand.
2223 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
2224 expander): Give set VOIDmode.
2226 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
2228 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
2230 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
2232 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
2234 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
2236 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
2238 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
2240 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
2242 * install.texi: Various SCO OpenServer tweaks.
2244 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
2246 * reload1.c (eliminate_regs_in_insn): Handle another case when
2247 eliminating the frame pointer to the hard frame pointer. Add
2248 missing ep->to_rtx check to one existing case.
2250 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
2252 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
2254 * tree.h: De-conditionalize init_priority code.
2256 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
2257 * collect2.c (NM_FLAGS): Change from -p to -n.
2259 * configure.in: Turn on collect2 for mipstx39-elf.
2260 Handle use_collect2=no properly.
2262 * c-common.c: De-conditionalize init_priority code.
2263 * collect2.c (extract_init_priority, sort_ids): New fns.
2264 (main): Call sort_ids.
2265 Move sequence_number to file scope.
2267 * configure.in: Handle --enable-init-priority.
2268 * c-common.c (attrs): Add A_INIT_PRIORITY.
2269 (init_attributes, decl_attributes): Likewise.
2270 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
2271 * tree.c (get_file_function_name_long): Split out...
2272 (get_file_function_name): ...from here.
2274 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
2276 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
2279 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
2281 * toplev.c (display_help): Add braces to shut up warnings.
2282 * tree.c (simple_cst_equal): Likewise.
2284 * fold-const.c (non_lvalue): Don't deal with null pointer
2286 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
2288 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
2289 of any size to a pointer.
2291 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
2293 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
2295 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
2297 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
2298 which will be saved.
2299 * mn10300.md (prologue insn): Only save registers which need saving.
2300 (epilogue insn): Similarly.
2302 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
2305 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
2307 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
2308 VAR_DECL's in gp addressable sections.
2310 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
2312 * sparc.c: Change return <exp> to <exp>; return; in functions
2314 * sparc.md: Add empty semicolon statement after final label in
2317 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2319 * config/sparc/sparc.md (define_insn addx_extend): Rename to
2320 addx_extend_sp64, only allow when TARGET_ARCH64.
2321 (define_insn addx_extend_sp32 and split): Version that works when
2323 (define_insn subx_extend): Likewise.
2324 (define_split adddi3 and subdi3 with zero extension): Fixup and
2325 correct bugs when not TARGET_ARCH64.
2327 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
2329 * except.c (set_exception_lang_code, set_exception_version_code):
2330 Use prototype-style definition if __STDC__, to match declaration
2333 * genemit.c: Change FAIL and DONE macros not to use loops.
2335 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
2337 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
2338 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
2340 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
2342 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
2344 * README.g77: Update from Craig.
2346 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2348 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
2350 (safe_constDI sparc_emit_set_const64_quick1,
2351 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
2352 analyze_64bit_constant, const64_is_2insns,
2353 create_simple_focus_bits): Fix some bugs when compiled on real
2355 (function_arg_record_value_3, function_arg_record_value_2,
2356 function_arg_record_value): Add fully prototyped forward decls.
2357 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
2358 to cmpsi_insn and use on both 64 and 32 bit targets.
2359 (define_insn cmpsi_insn_sp64): Remove.
2360 (define_expand zero_extendsidi2): Allow for 32-bit target too.
2361 (define_insn zero_extendsidi2_insn): Rename to
2362 zero_extendsidi2_insn_sp64.
2363 (define_insn zero_extendsidi2_insn_sp32): New pattern and
2364 assosciated forced split for it.
2366 * config/sparc/sparc.c (const64_operand, const64_high_operand):
2368 * config/sparc/sparc.h: Declare them.
2369 (PREDICATE_CODES): Add them.
2370 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
2371 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
2373 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
2375 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
2376 in v9 case as the latter makes the Solaris assembler crash.
2378 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2380 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
2381 for TFmode when !v9. We require offsettable memory addresses.
2382 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
2383 DFmode register number conversions.
2384 * config/sparc/sparc.md (define_split DFmode moves): If register
2385 is a SUBREG do alter_subreg on it before using.
2386 (define_expand movtf): Fixup comment about alignment on v9.
2387 (define_split TFmode moves): Don't use gen_{high,low}part, create
2388 explicit SUBREGs instead.
2390 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
2392 * Makefile.in (mbchar.o): Depend on mbchar.c.
2394 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2395 Richard Henderson <rth@cygnus.com>
2397 Rewrite Sparc backend for better code generation and
2398 improved sparc64 support.
2399 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
2401 * config/sparc/sysv4.h: Likewise.
2402 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
2403 move_operand, v8plus_regcmp_op, emit_move_sequence,
2404 singlemove_string, doublemove_string, mem_aligned_8,
2405 output_move_double, output_move_quad, output_fp_move_double,
2406 move_quad_direction, output_fp_move_quad, output_scc_insn):
2408 (small_int_or_double): New predicate.
2409 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
2410 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
2411 old pic_{sethi,lo_sum}_si patterns.
2412 (mem_min_alignment): New generic function to replace
2413 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
2414 available and can test for arbitrary alignments. All callers
2416 (save_regs, restore_regs, build_big_number,
2417 output_function_prologue, output_cbranch, output_return,
2418 sparc_flat_save_restore, sparc_flat_output_function_prologue,
2419 sparc_flat_output_function_epilogue): Prettify
2421 (output_function_epilogue): Likewise and add code to output
2422 deferred case vectors.
2423 (output_v9branch): Likewise, add new arg INSN and use it to tack
2424 on branch prediction settings. All callers changed.
2425 (print_operand): Likewise and output %l44 for LO_SUMs when
2427 (sparc_splitdi_legitimate): New function to make sure DImode
2428 splits can be run properly when !arch64.
2429 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
2430 Reformat example code in comments.
2431 (set_extends): Remove UNSPEC/v8plus_clear_high case.
2432 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
2433 of deferred case vectors we need to output.
2434 (sparc_defer_case_vector): Record a case vector.
2435 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
2436 sparc_output_deferred_case_vectors): New functions to output them.
2437 (sparc_emit_set_const32): New function to form 32-bit constants in
2438 registers when that requires more than one instruction.
2439 (safe_constDI, sparc_emit_set_const64_quick1,
2440 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
2441 analyze_64bit_constant, const64_is_2insns,
2442 create_simple_focus_bits, sparc_emit_set_const64): New functions
2443 which do the same for 64-bit constants when arch64.
2444 (sparc_emit_set_symbolic_const64): New function to emit address
2445 loading for all code models on v9.
2446 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
2447 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
2448 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
2449 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
2450 inaccuracies in comments, add symbolic and text_segment operands
2451 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
2452 GENERAL_REGS in these cases as a temp REG is needed to load these
2453 addresses into a register properly.
2454 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
2456 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
2457 quads are guarenteed to have 16-byte alignment.
2458 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
2459 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
2460 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
2461 deferred case vector implementation.
2462 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
2463 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
2464 Generate "internal label - label" instead of "label - 1b".
2465 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
2466 (PREDICATE_CODES): Remove sparc_operand, move_operand,
2467 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
2469 (doublemove_string, output_block_move, output_fp_move_double,
2470 output_fp_move_quad, output_move_double, output_move_quad,
2471 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
2472 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
2473 (sparc_emit_set_const32, sparc_emit_set_const64,
2474 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
2475 mem_min_alignment, small_int_or_double): Add externs.
2476 * config/sparc/sparc.md: Document the many uses of UNSPEC and
2477 UNSPEC_VOLATILE in this backend.
2478 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
2479 unary to types which execute in it.
2480 (define_function_unit ieu_shift): Rename to ieu0.
2481 (define_function_unit ieu1): New, executes compare, call, and
2482 uncond_branch type insns.
2483 (define_function_units for type fdivs, fdivd, fsqrt): These
2484 execute in the fpu multiply unit not the adder on UltraSparc.
2485 (define_expand cmpdi): Disallow TARGET_V8PLUS.
2486 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
2487 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
2488 allows the arith_double_operand predicate and rHI constraint when
2490 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
2491 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
2492 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
2493 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
2494 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
2495 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
2496 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
2497 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
2498 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
2499 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
2500 sign_extendqihi2_insn, sign_extendqisi2_insn,
2501 sign_extendqidi2_insn, sign_extendhidi2_insn,
2502 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
2503 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
2504 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
2505 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
2506 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
2507 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
2508 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
2509 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
2510 smulsi3_highpart_v8plus, unnamed subreg mult,
2511 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
2512 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
2513 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
2514 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
2515 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
2516 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
2517 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
2518 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
2519 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
2520 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
2521 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
2522 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
2523 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
2524 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
2525 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
2526 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
2527 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
2528 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
2529 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
2530 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
2531 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
2532 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
2533 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
2534 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
2535 call_address_untyped_struct_value_sp32,
2536 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
2537 call_value_symbolic_sp32, call_value_address_sp64,
2538 call_value_symbolic_sp64, branch_sp32, branch_sp64,
2539 flush_register_windows, goto_handler_and_restore,
2540 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
2541 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
2542 return_addsi, return_di, return_adddi, return_sf, all call+jump
2543 peepholes, trap, unnamed trap insns): Prettify output strings.
2544 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
2545 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
2546 Likewise and force + implement splits for integer cases.
2547 (define_insn return_sf_no_fpu): Likewise and allow to match when
2548 no-fpu because of our subreg SFmode splits.
2549 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
2550 zero_extendqidi2_insn, zero_extendhidi2_insn,
2551 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
2552 input_operand for second operand.
2553 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
2554 reg_or_0_operand for operand 2 so new splits can use it.
2555 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
2556 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
2558 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
2559 CONST_DOUBLEs for operand 2.
2560 (define_insn move_label_di): Likewise and label distance
2561 optimization because it no longer works with new deferred case
2562 vector scheme. To be revisited.
2563 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
2564 and allow reg_or_0_operand and J constraint for second operand.
2565 (define_insn jump): Set branch predict taken on V9.
2566 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
2567 new deferred case vector scheme.
2568 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
2569 (define_insn negdi2_sp32): Force + implement splits.
2570 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
2571 one_cmplsi2_not_liveg0 respectively, and create expander of original
2572 names which emit special rtl for TARGET_LIVE_G0.
2573 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
2574 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
2575 gen_compare_reg, FAIL instead.
2576 (define_insn sgtu, sleu): Likewise and check gen_s*() return
2577 values when trying to reverse condition codes, if they FAIL then
2579 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
2580 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
2581 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
2582 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
2583 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
2584 set output string to # to indicate they are mandatory splits.
2585 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
2586 pic_sethi_di, move_pic_label_si): Remove.
2587 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
2588 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
2590 (define_expand movsi_pic_label_ref, define_insn
2591 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
2592 expander and insns to handle PIC label references and deferred
2594 (define_insn get_pc_via_rdpc): Comment out as it is no longer
2596 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
2597 Rewrite to not use emit_move_sequence, make use of new constant
2598 formation code, and new splits for all multi-insn cases.
2599 (define_insn movqi_insn): Remove sethi case, it can never happen.
2600 Use reg_or_zero_operand instead of const0_rtx explicit test,
2601 use input_operand instead of move_operand for source, and use
2602 general_operand now for dest.
2603 (define_insn movhi_insn): Similar but leave sethi case.
2604 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
2605 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
2606 movhi_lo_sum respectively, prettify output string.
2607 (define_insn movsi_zero_liveg0): New pattern to put zero into a
2608 register when needed on TARGET_LIVE_G0.
2609 (define_insn movsi_insn): Use general_operand and input_operand
2610 for dest and src respectively. Simplify applicability test.
2611 Prettify output strings, and add clr alternative for J
2613 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
2614 deprecated std and reg-reg DI moves): Remove and...
2615 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
2616 implementation which uses forced splits for all non-single insn
2618 (define_split DI move cases on !arch64): New splits to handle all
2619 situations of 64-bit double register DImode on 32bit, and
2620 unaligned registers and memory addresses for all subtargets.
2621 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
2623 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
2624 input_operand for dest and src respectively, prettify output
2626 (define_insn movdf_insn, movdf_no_e_insn, store_df,
2627 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
2629 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
2630 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
2631 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
2632 movtf_no_e_insn_sp64) Replace with new
2633 implementation which uses forced splits for all non-single insn
2635 (define_split DF move cases): New splits in similar vein to DI
2637 (define_insn sethi_di_medlow, sethi_di_medium_pic,
2638 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
2639 movdi_sp64_insn): Remove old v9 code model and constant loading
2641 (define_insn pic_lo_sum_di, pic_sethi_di,
2642 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
2643 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
2644 embmedany_sethi, embmedany_losum, embmedany_brsum,
2645 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
2646 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
2647 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
2648 scheme, using unspecs, secondary reloads, and one to one sparc
2649 insn to rtl insn mapping for better scheduling and code gen.
2650 (define_expand reload_indi, reload_outdi): Reload helpers for
2651 MEDANY and EMBMEDANY symbol address loading cases which require a
2653 (define_expand movsicc): Remove v8plus_regcmp cases.
2654 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
2655 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
2656 cmp_diqi_trunc_set): New patterns used by some of the new scc
2658 (define_insn xordi3_sp64_dbl): New pattern used for constant
2659 formation when crossing from 32-bit targets.
2660 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
2662 (define_insn addx, subx): Make visible and prettify.
2663 (define_insn adddi3_insn_sp32): Likewise and force split.
2664 (define_insn addx_extend, subx_extend, unnamed): New patterns for
2665 64bit scc split usage.
2666 (define_insn unnamed plusDI zero_extend, unnamed minusDI
2667 zero_extend, subdi3): Force and implement splits.
2669 * final.c (final_scan_insn): Don't output labels if target
2670 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
2673 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
2674 don't forget to walk inside SEQUENCESs too as these are what the
2675 delay slot scheduler will create.
2677 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
2679 * alpha.md (extxl+1,+2): New patterns to work around
2682 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
2684 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
2685 caused bad assembly code to be generated.
2687 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
2689 * netbsd.h: Fix typo.
2691 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
2693 * config.sub: Fix typo.
2695 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
2697 * invoke.texi (Environment Variables): Typo: Change "ascpects"
2699 (Running Protoize): Typo: Change "ther" into "other".
2701 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
2703 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
2704 * m68k/netbsd.h: Likewise.
2705 * ns32k/netbsd.h: Likewise.
2706 * sparc/netbsd.h: Likewise.
2708 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
2710 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
2711 * ginclude/va-clipper.h (va_list): Likewise.
2713 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
2715 * rs6000.c (rs6000_override_options): If big endian and -Os, use
2716 load/store multiple instructions unless user overrides.
2718 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
2720 * ns32k/netbsd.h: Fix typo.
2722 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
2724 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
2725 labels with .debugsym if no parallel insns.
2727 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
2729 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
2730 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
2732 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
2734 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
2735 (AR_FOR_TARGET): Define.
2737 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
2739 * dyn-string.h: New file.
2740 * dyn-string.c: Likewise.
2741 * Makefile.in (OBJS): Add dyn-string.o.
2742 (dwarf2out.o): Add dyn-string.h dependency.
2743 (dyn-string.o): List dependencies.
2744 * dwarf2out.c: Include dyn-string.h.
2745 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
2746 (addr_const_to_string): Take a dyn_string_t, not a char* as a
2747 prototype. Use dyn_string_append rather than strcat, throughout.
2748 (addr_to_string): Use dyn_string_t.
2750 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
2752 Function entry/exit profiling instrumentation:
2753 * expr.h (profile_function_entry_libfunc,
2754 profile_function_exit_libfunc): Declare new variables.
2755 * optabs.c: Define them here.
2756 (init_optabs): Initialize them.
2757 * tree.h (struct tree_decl): New flag
2758 no_instrument_function_entry_exit.
2759 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
2760 * c-decl.c (duplicate_decls): Merge it.
2761 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
2762 (init_attributes): Use it for "no_instrument_function".
2763 (decl_attributes): Handle it, for functions that have not yet been
2764 compiled. Set decl flag.
2765 * flags.h (flag_instrument_function_entry_exit): Declare new
2767 * toplev.c (flag_instrument_function_entry_exit): Define it here.
2768 (f_options): New option "instrument-functions".
2769 * function.h (struct function): New field instrument_entry_exit.
2770 * function.c (current_function_instrument_entry_exit): New
2772 (push_function_context_to, pop_function_context_from): Save and
2774 (expand_function_start): Set current_ variable, maybe emit return
2775 label and entry profile call.
2776 (expand_function_end): Maybe emit exit profile call.
2778 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
2780 * i386.md (movqi): When optimizing a load of (const_int 1) into a
2781 NON_QI_REG_P, pretend the register is SImode.
2783 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
2785 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
2786 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
2787 manufacturer id for ns32k.
2788 * configure: Regenerated.
2789 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
2790 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
2791 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
2792 * config/m68k/netbsd.h: Same.
2793 * config/ns32k/netbsd.h: Same.
2794 * config/sparc/netbsd.h: Same.
2796 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
2798 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
2799 or UNROLL_COMPLETELY loop that starts with a jump to its
2802 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
2804 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
2805 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
2806 (print_operand, case 'B'): Don't fall through.
2807 (print_operand, case 'S'): Correct mask begin/end computation.
2808 Use HOST_BITS_PER_WIDE_INT.
2809 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
2810 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
2811 * rs6000/aix41.h (CPP_PREDEFINES): Same.
2812 * rs6000/aix43.h (CPP_PREDEFINES): Same.
2814 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
2816 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
2817 constraint from second alternative.
2819 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2821 * configure.in: Fix --without/--disable cases for local-prefix,
2822 gxx-include-dir and checking.
2824 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2826 * configure.in (enable_haifa): Set by default for sparc64 too.
2829 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2831 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
2832 * i386/winnt.c (associated_type): New fn.
2833 (i386_pe_valid_type_attribute_p): New fn.
2834 (i386_pe_check_vtable_importexport): Remove.
2835 (i386_pe_dllexport_p): Use associated_type.
2836 (i386_pe_dllimport_p): Likewise.
2838 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
2839 * i386.c (i386_valid_type_attribute_p): Also accept
2840 attributes for METHOD_TYPEs.
2842 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
2844 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
2846 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
2848 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
2850 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
2851 them from generating a new base name for each occurence of
2854 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
2856 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
2858 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
2862 * cplus-dem.c (type_kind_t): New type.
2863 (demangle_template_value_parm): Add type_kind_t parameter. Rely
2864 on this paramter, rather than demangling the type again.
2865 (demangle_integral_value): Pass tk_integral.
2866 (demangle_template_: Pass the value returned from do_type.
2867 (do_type): Return a type_kind_t. Pass tk_integral to
2868 demangle_template_value_parm for array bounds.
2869 (demangle_fund_type): Likewise.
2871 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
2873 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
2876 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
2878 * pa.c (move_operand): Accept CONSTANT_P_RTX.
2880 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
2882 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
2884 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
2887 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
2889 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
2890 (DEBUGGER_ARG_OFFSET): Likewise.
2892 * mn10300.md (movsf): Remove last change. Not needed.
2894 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
2896 * c-lex.c (yylex): Fix boundary conditions in character literal and
2897 string literal loops.
2899 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
2901 * longlong.h (count_leading_zeros): Sparclite scan instruction was
2902 being invoked incorrectly.
2904 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
2905 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
2907 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
2908 * configure.in: Added i[34567]86-*-win32
2909 * config.sub: Ditto.
2910 * configure: Rebuilt.
2912 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
2914 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
2915 the frame pointer and compiling PIC code and reload has not completed.
2917 * i386.c (output_to_reg): Add code to emulate non-popping DImode
2920 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
2922 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
2924 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2926 * Makefile.in (install-info): Only try to update the info
2927 directory file if it exists in the first place.
2929 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
2931 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
2933 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
2935 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
2936 CONST_DOUBLE source.
2938 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
2940 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
2941 strings as the insertion of USER_LABEL_PREFIX.
2942 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
2944 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
2947 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
2949 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
2950 already defined type.
2952 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
2954 * expr.c (check_max_integer_computation_mode): Allow conversions
2955 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
2956 (expand_expr): Likewise.
2958 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2960 * expr.c (expand_expr): Expand RETURN_EXPR.
2962 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
2964 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
2966 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
2968 * dwarf2out.c (output_aranges): Call stripattributes
2969 for TEXT_SECTION references.
2970 (output_line_info): Likewise.
2972 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2974 * profile.c (branch_prob): Call allocate_reg_info after outputting
2975 profile rtl in instrument_arcs.
2977 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
2979 * fixinc.irix (math.h): Install wrapper instead of copying.
2981 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2983 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
2984 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
2985 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
2986 lang_flag_0. Added documentation in the flag table.
2988 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
2990 * cccp.c (do_include): Fix vax c style include handling.
2992 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2994 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
2996 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
2998 * fold-const.c (non_lvalue): Don't deal with null pointer
3000 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
3002 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
3004 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
3005 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
3006 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
3007 (u_short_cint_operand): Same.
3008 (reg_or_cint_operand): Same.
3009 (logical_operand): Same.
3010 (input_operand): Same.
3011 (reg_or_short_operand): Use u_short_cint_operand.
3013 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
3015 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
3016 but keep the insns and splits. Adjust so when the ultimate destination
3017 is memory, use cvtql.
3019 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
3021 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
3023 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
3025 * gcc.c (do_spec): Call "error" not "warning".
3027 * configure.in: Fix minor problems with gas feature detection code.
3028 * configure: Rebuilt.
3030 * gcc.c (do_spec): Issue a warning for '%[]' usage.
3033 * gcc.c: Delete %[spec] support.
3034 (do_spec_1, case '('): Likewise.
3035 (do_spec_1, case '['): Call error.
3037 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
3039 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
3040 (CPP_SUBTARGET_SPEC): Default to empty string.
3041 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
3042 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
3043 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
3044 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
3046 * alpha/linux.h (CPP_PREDEFINES): Tidy.
3047 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
3048 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
3049 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
3050 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
3051 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
3052 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
3053 * alpha/vxworks.h: Likewise.
3055 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
3057 * mips.md (reload_outsi): Added missing REGNO call.
3058 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
3060 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
3061 another match_operator and compare the codes.
3063 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
3065 * MIPS multiply pattern fixes:
3066 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3067 Add union classes for HI, LO, or HILO plus general registers.
3068 (GENERATE_MADD): Deleted.
3069 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
3070 Add TARGET_MAD to condition.
3071 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
3072 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
3073 "*d" for accumulator, to give preference to LO initially but not
3076 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
3078 * configure.in (enable_c_mbchar): New configure option.
3079 (extra_cpp_objs): Always available now.
3081 * cexp.y (mbchar.h): #include it.
3082 (yylex): Handle Multibyte characters in character literals.
3084 * cccp.c (mbchar.h): #include it.
3085 (main): Set character set based on LANG environment variable.
3086 (rescan): Handle multibyte characters in comments.
3087 (skip_if_group): See above.
3088 (validate_else): See above.
3089 (skip_to_end_of_comment): See above.
3090 (macarg1): See above.
3091 (discard_comments): See above.
3092 (rescan): Handle multibyte characters in string and character literals.
3093 (collect_expansion): See above.
3094 (skip_quoted_string): See above.
3095 (macroexpand): See above.
3096 (macarg1): See above.
3097 (discard_comments): See above.
3098 (change_newlines): See above.
3100 * c-lex.c (mbchar.h): #include it.
3101 (GET_ENVIRONMENT): New macro.
3102 (init_lex): Set character set based on LANG environment variable.
3103 (yylex): Handle multibyte characters in character literals.
3104 (yylex): Handle multibyte characters in string literals.
3106 * Makefile.in (mbchar.o): New target.
3107 (cccp$(exeext)): @extra_cpp_objs@ is always available.
3108 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
3110 * mbchar.[ch]: New files for multibyte character handling.
3112 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3114 * jump.c (jump_optimize): When simplifying noop moves and
3115 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
3116 the PUSHes to rewrite in second loop as we did in the first.
3118 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3120 * cplus-dem.c (demangle_nested_args): Make function definition
3121 static to match the prototype.
3123 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
3125 * alloca.c: Respect USE_C_ALLOCA.
3126 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
3127 * gengenrtl.c (xmalloc): Likewise.
3129 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
3131 * loop.h (struct induction): Add no_const_addval.
3132 * loop.c (the_movables, reg_address_cost): New variables.
3133 (init_loop): Init reg_address_cost.
3134 (loop_optimize): Call end_alias_analysis.
3135 (scan_loop): Init the_movables.
3136 (record_giv): Init induction->no_const_addval.
3137 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
3138 [REG]: Rearrange loop search test to catch more cases.
3139 (general_induction_var): Return success not benefit; take an extra
3140 argument for that. Change all callers.
3141 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
3142 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
3143 [default]: Search the_movables for additional combinations.
3144 (sge_plus_constant, sge_plus): New functions.
3145 (express_from_1): New function.
3146 (express_from): Always define. Rewrite using express_from_1.
3147 (combine_givs_p): Handle more cases. Ignore address cost.
3148 (cmp_combine_givs_stats): New function.
3149 (combine_givs_used_once, combine_givs_benefit_from): New functions.
3150 (combine_givs): Rewrite to do best-fit combination.
3152 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
3153 (fold): Do a complete (A*C)+(B*C) association check.
3155 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
3157 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
3159 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
3161 * mn10300.c (MODES_TIEABLE_P): Fix typo.
3163 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
3165 * tree.c (valid_machine_attribute): Only create a new type variant if
3166 there is a decl to use it.
3168 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
3170 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
3173 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
3175 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
3178 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
3180 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
3181 Simplify tests for clearing an address register.
3182 (expand_prologue): Corresponding changes.
3184 * mn10300.md (movXX patterns): Make sure the destination is an
3185 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
3186 (logical patterns): Split into expanders + patterns
3187 (zero and sign extension patterns): Similarly.
3188 (shift patterns): Similarly.
3190 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
3192 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
3193 for the sequence, recording base values.
3195 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
3197 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
3199 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
3201 * gcc.c: Remove ANSI-C ism from --help code.
3203 * toplev.c: Support --help with USE_CPPLIB.
3205 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
3207 * configure.in: Rework gas feature code to work with symlink based
3210 * extend.texi: Clarify some issues related to local variables
3211 assigned to explicit registers.
3213 * mn10300.md (mulsi): Turn into expander + pattern.
3215 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
3218 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
3220 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
3222 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
3224 * version.c: Bump again to distinguish mainline tree from the
3227 See ChangeLog.0 for earlier changes.
3230 add-log-time-format: current-time-string
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