1 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
3 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
4 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
6 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
8 * tree.h (TYPE_BINFO): Document.
10 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
12 * i386-coff.h (dbxcoff.h): Added.
14 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
16 * toplev.c: fix bad patch around flag_data_sections.
18 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
20 * reload1.c (reload): Use reload_address_index_reg_class and
21 reload_address_base_reg_class when setting
22 caller_save_spill_class. (Patch generated by Jim Wilson:
25 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
27 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
28 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
29 * expr.c (store_field): Add alias_set parameter. Set the
30 MEM_ALIAS_SET accordingly, if the target is a MEM.
31 (expand_assignment): Use it.
32 (store_constructor_field): Pass 0.
33 (expand_expr): Likewise.
35 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
37 * flags.h: Add flag_data_sections.
38 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
39 (compile_file): Error if flag_data_sections not supported.
40 * varasm.c (assemble_variable): Handle flag_data_sections.
41 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
42 * config/mips/elf.h: Likewise.
43 * config/mips/elf64.h: Likewise.
44 * invoke.texi: Describe -fdata-sections.
46 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
48 * invoke.texi (-ffloat-store): Clarify that this option
49 does not affect intermediate results -- only variables.
51 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
53 * cpp.texi: Update for Fortran usage from Craig.
55 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
57 * rs6000.c (function_arg_boundary): Revert accidental change on
60 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
62 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
63 (output_mi_thunk): Declare.
65 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
66 (output_function_profiler): Use r12 for temp, instead of r11 so
67 that we preserve the static chain register.
69 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
71 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
73 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
75 * sh.c (gen_shl_sext): Fix case 5.
77 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
79 * reload1.c (reload_combine): Re-add line that got accidentally lost.
81 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
83 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
84 accessing variables until they are initialized via va_arg().
86 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
88 * reload1.c (reload_combine): Initialize set before using.
90 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
92 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
95 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
97 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
98 operand3 with mask before using it. Patch provided by Jim Wilson.
100 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
102 * config/sparc/sparc.c (function_value): Perform the equivalent of
103 PROMOTE_MODE for ARCH64.
104 (eligible_for_epilogue_delay): Allow DImode operations in delay
105 slot of a return for ARCH64.
107 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
109 * sh.md (sqrtsf2): Fix mode of sqrt.
111 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
113 * reload1.c (choose_reload_regs): Also try inheritance when
114 reload_in is a stack slot of a pseudo, even if we already got a
117 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
119 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
120 (reload_cse_regs): New function body: call reload_cse_regs_1,
121 reload_combine, reload_cse_move2add.
122 When doing expensive_optimizations, call reload_cse_regs_1 a
123 second time after reload_cse_move2add.
124 (reload_combine, reload_combine_note_store): New functions.
125 (reload_combine_note_use): New function.
126 (reload_cse_move2add, move2add_note_store): New functions.
128 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
130 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
131 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
133 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
134 more than 3 such reloads.
136 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
137 RELOAD_FOR_X_ADDR_ADDR reload.
139 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
141 * expr.c (store_constructor): When initializing a field that is smaller
142 than a word, at the start of a word, try to widen it to a full word.
144 * cse.c (cse_insn): When we are about to change a register,
145 remove any invalid references to it.
147 (remove_invalid_subreg_refs): New function.
148 (mention_regs): Special treatment for SUBREGs.
149 (insert_regs): Don't strip SUBREG for call to mention_regs.
150 Check if reg_tick needs to be bumped up before that call.
151 (lookup_as_function): Try to match known word_mode constants when
152 looking for a norrower constant.
153 (canon_hash): Special treatment for SUBREGs.
155 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
157 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
158 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
159 defined, emit libcall to __enable_execute_stack. Also fix opcodes
160 and offsets in actual stack trampoline code so they match the
161 commentary and actually work.
163 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
165 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
167 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
168 tmake_file. Set extra_parts to needed crt objects.
169 * configure: Rebuilt.
170 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
171 (TARGET_DEFAULT): Set if default is v9 or ultra.
172 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
173 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
174 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
175 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
176 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
177 (TARGET_VERSION): Define.
178 (MULTILIB_DEFAULT): Define.
179 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
180 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
181 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
183 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
184 * config/sparc/sparc.c (sparc_override_options): If arch and
185 pointer size disagree, emit diagnostic and fix it up. If
186 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
187 V8PLUS in 64-bit mode.
188 * config/sparc/t-linux64: New file.
189 * config/sparc/t-sol2-64: New file.
190 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
191 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
192 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
193 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
194 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
195 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
197 (STARTFILE_SPEC): Set approriately based upon those.
198 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
199 disposition of DEFAULT_ARCH32_P.
200 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
201 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
202 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
203 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
204 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
206 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
208 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
210 * rtl.h (init_virtual_regs): New function.
211 * emit-rtl.c (init_virtual_regs): Define.
213 * integrate.c (save_for_inline_copying): Likewise.
215 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
217 * config/arm/thumb.h: The following patches were made by Jim Wilson:
218 (enum reg_class): Add NONARG_LO_REGS support.
219 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
220 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
221 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
222 completes. Re-enable HImode REG+OFFSET addresses.
223 (LEGITIMIZE_RELOAD_ADDRESS): Define.
225 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
227 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
229 * alpha.c (get_aligned_mem): Revert Sep 20 change.
230 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
231 (alpha_align_insns): Properly calculate initial offset wrt max_align.
233 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
235 * arm.c (find_barrier): Revert change of Apr 23. Handle table
236 jumps as a single entity, taking into account the size of the
239 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
241 * tree.def (SWITCH_EXPR): New tree node definition.
243 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
245 * version.c: Bump for snapshot.
247 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
249 * version.c: Bump for snapshot.
251 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
253 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
256 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
259 * reload.c (find_reloads): Do not replace a pseudo with
260 (MEM (reg_equiv_addr)) in the initializing insn for the
263 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
265 * final.c (final_scan_insn): Disable tracking CC across branches.
267 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
269 * expr.h (eh_rtime_match_libfunc): New extern declaration.
270 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
271 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
272 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
273 NULL. Only include <stdio.h> if inhibit_libc is not defined.
275 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
277 * toplev.c (rest_of_compilation): Skip compiling anything with
278 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
280 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
282 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
283 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
284 use in_libcall_block.
285 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
286 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
289 Mon Sep 21 14:02:23 1998
291 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
292 typo in no-fancy-math-387 description.
294 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
296 * version.c: Bump for snapshot.
298 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
300 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
302 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
304 * i386.h: (TARGET_SWITCHES) Add description fields for flags
305 documented in install.texi.
306 (TARGET_OPTIONS) Likewise.
308 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
310 * version.c: Bump for snapshot.
312 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
314 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
315 * cccp.c (main): Likewise.
317 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
318 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
321 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
323 * Makefile.in (LIBS): Link in libiberty.a.
324 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
326 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
328 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
329 it to update bb boundaries. Update caller.
330 * function.c (reposition_prologue_and_epilogue_notes): Update
331 bb boundaries wrt the moved note.
333 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
335 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
337 * configure: Regenerate.
339 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
341 * alpha.c (alpha_sr_alias_set): New variable.
342 (override_options): Set it.
343 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
344 (mode_mask_operand): Fix signed-unsigned comparision warning.
345 (alpha_expand_block_move): Likewise.
346 (print_operand): Likewise.
347 (get_aligned_mem): Use change_address.
348 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
349 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
350 (alphaev4_next_nop, alphaev5_next_nop): New functions.
351 (alpha_align_insns): Remade from old alphaev5_align_insns
352 to handle multiple processors.
353 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
354 * output.h (label_to_alignment): Prototype.
356 * tree.c (new_alias_set): New function.
357 * tree.h (new_alias_set): Declare it.
358 * c-common.c (c_get_alias_set): Use it.
360 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
362 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
363 to an ABS expr, convert an unsigned input to signed.
365 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
367 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
369 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
371 * configure.in: Add support for c4x targets.
372 * configure: Rebuilt.
374 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
376 * combine.c (distribute_notes): If an insn is a cc0 user, only
377 delete it if we can also delete the cc0 setter.
379 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
381 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
382 (invert_truthvalue): Enable truthvalue inversion for
383 floating-point operands if -ffast-math.
385 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
387 * configure.in: Disable collect2 for nextstep. Instead use
389 * configure: Rebuilt.
390 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
391 (ENDFILE_SPEC): Define.
392 (OBJECT_FORMAT_MACHO): Define.
393 (EH_FRAME_SECTION_ASM_OP): Define.
394 * crtstuff.c: Handle MACHO.
396 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
398 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
400 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
402 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
403 (_fpadd_parts): Get sign right for 0.
405 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
407 * ginclude/varargs.h: Add support for C4x target.
408 * ginclude/stdargs.h: Likewise.
410 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
412 * alpha.c (alpha_return_addr): SET should be VOIDmode.
413 (alpha_emit_set_long_const): Rewrite to be callable from reload
415 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
416 * alpha.md (movdi): Likewise.
418 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
420 * arm.c (add_constant): New parameter address_only, change caller.
421 Set it non-zero if taking the address of an item in the pool.
422 (arm_reorg): Handle cases where we need the address of an item in
425 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
427 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
428 memory addresses that are not in standard canonical form.
430 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
432 * README.C4X: New file with information about the c4x ports.
433 * ginclude/va-c4x.h: New file for c4x varargs support.
434 * config/c4x: New directory with c4x port files.
436 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
438 * reload.c (find_reloads): Do not replace a pseudo with
439 (MEM (reg_equiv_addr)) in the initializing insn for the
442 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
444 * toplev.c (rest_of_compilation): Set bct_p on second call to
446 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
448 (strength_reduce): Only call analyze_loop_iterations and
449 insert_bct if bct_p set.
450 (check_dbra_loop): Fix typo.
451 (insert_bct): Use word_mode instead of SImode.
452 (instrument_loop_bct): Likewise. Do not delete iteration count
453 condition code generation insn. Initialize iteration count before
455 * rtl.h (loop_optimize): Update prototype.
457 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
458 not doubleword aligned.
460 * rs6000.c (optimization_options): New function.
461 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
462 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
463 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
464 first; cr1 can be used for FP record condition insns.
466 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
468 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
471 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
474 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
476 (block_move_call): New function: Call a library routine to copy a
478 (m32r_expand_block_move): New function: Expand a "movstrsi"
479 pattern into a sequence of insns.
480 (m32r_output_block_move): New function: Expand a
481 "movstrsi_internal" pattern into a sequence of assembler opcodes.
482 (m32r_block_immediate_operand): New function: Return true if the
483 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
485 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
487 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
489 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
491 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
493 * regmove.c (copy_src_to_dest): Check that modes match.
495 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
497 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
499 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
501 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
502 narrower than FLOAT_REGS.
504 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
506 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
508 * Makefile.in (old_gxx_include_dir): removed
510 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
512 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
515 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
516 (sh_handle_pragma): Change function arguments to match new
517 specification for HANDLE_PRAGMA.
519 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
521 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
523 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
524 When generating output, initialize missing struct member to zero.
526 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
528 * regmove.c (copy_src_to_dest): Don't copy if that requires
531 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
533 * global.c (reg_allocno): Now static.
534 * reload1.c (reg_allocno): Delete declaration.
535 (order_regs_for_reload): Take no arguments. Don't treat regs
536 allocated by global differently than those allocated by local-alloc.
538 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
540 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
541 condition, fix format strings.
542 (output_function_epilogue): Likewise.
544 * m68k/m68k.c: Don't include <stdlib.h> directly.
546 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
548 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
549 mem_first_set, mem_last_set; because 0 can be a CUID.
550 (oprs_unchanged_p): Use new definition.
551 (record_last_reg_set_info): Likewise.
552 (record_last_mem_set_info): Likewise.
553 (compute_hash_table): Likewise.
555 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
557 * rs6000.c (output_epilogue): Handle Chill.
559 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
560 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
562 * combine.c (make_extraction): If no mode is specified for
563 an operand of insv, extv, or extzv, default it to word_mode.
564 (simplify_comparison): Similarly.
565 * expmed.c (store_bit_field): Similarly.
566 (extract_bit_field): Similarly.
567 * function.c (fixup_var_regs_1): Similarly.
568 * recog.c (validate_replace_rtx_1): Similarly.
569 * mips.md (extv, extzv, insv expanders): Default modes for most
570 operands. Handle TARGET_64BIT.
571 (movdi_uld, movdi_usd): New patterns.
573 * pa.c (emit_move_sequence): Do not replace a pseudo with its
574 equivalent memory location unless we have been provided a scratch
575 register. Similarly do not call find_replacement unless a
576 scratch register has been provided.
578 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
580 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
583 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
585 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
586 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
587 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
588 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
589 * c-decl.c (init_decl_processing): Update accordingly.
590 * expr.c (expand_builtin): Likewise.
592 * rtl.h (global_rtl): Add cfa entry.
593 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
594 (LAST_VIRTUAL_REGISTER): Update.
595 * emit-rtl.c (global_rtl): Add cfa entry.
596 (init_emit): Initialize it.
597 * function.c (cfa_offset): New.
598 (instantiate_virtual_regs): Initialize it.
599 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
600 (expand_function_end): Call expand_eh_return.
601 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
603 * except.c (current_function_eh_stub_label): Kill.
604 (current_function_eh_old_stub_label): Likwise; update all references.
605 (expand_builtin_set_return_addr_reg): Kill.
606 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
607 (expand_builtin_set_eh_regs): Kill.
608 (eh_regs): Produce a third reg for the actual handler address.
609 (eh_return_context, eh_return_stack_adjust): New.
610 (eh_return_handler, eh_return_stub_label): New.
611 (init_eh_for_function): Initialize them.
612 (expand_builtin_eh_return, expand_eh_return): New.
613 * except.h: Update prototypes.
614 * flow.c (find_basic_blocks_1): Update references to the stub label.
615 * function.h (struct function): Kill stub label elements.
617 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
618 register number is one that would be in the previous window.
619 Provide a dummy definition for non-windowed targets.
620 (get_reg_addr): New function.
621 (get_reg, put_reg, copy_reg): Use it.
622 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
623 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
625 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
626 (alpha_init_expanders): Initialize it.
627 (alpha_expand_epilogue): Use it.
628 * alpha.h: Declare it.
629 * alpha.md (eh_epilogue): New.
631 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
632 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
634 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
636 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
639 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
641 * except.h (struct eh_entry): Add false_label field.
642 (end_catch_handler): Add prototype.
643 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
644 (start_catch_handler): When using old style exceptions, issue
645 runtime typematch code before continuing with the handler.
646 (end_catch_handler): New function, generates label after handler
647 if needed by older style exceptions.
648 (expand_start_all_catch): No need to check for new style exceptions.
649 (output_exception_table_entry): Only output the first handler label
650 for old style exceptions.
651 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
652 mechanism into one function, if a runtime matcher is provided.
654 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
656 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
658 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
660 * integrate.c (copy_decl_list): Fix typo.
662 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
664 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
667 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
669 * version.c: Bump for snapshot.
671 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
673 * version.c: Bump for snapshot.
675 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
677 * version.c: Bump for snapshot.
679 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
681 * invoke.texi (C Dialect Options): Put back missing @end itemize.
683 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
685 * configure.in: remove usage of `!' to negate the result of a
686 command; some common shells do not support it
688 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
690 * configure.in: in sparc9-sol2 config, use 'if test' not
692 * configure: Rebuilt.
694 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
696 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
697 (CPP_CPU_DEFAULT_SPEC): Likewise.
698 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
701 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
704 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
706 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
708 * collect2.c: Don't declare `sys_siglist' here.
709 (my_strsignal): Prototype and define new function. Use it in
710 place of `sys_siglist' hacks.
712 * mips_tfile.c: Likewise.
714 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
715 (GCC_NEED_DECLARATIONS): Likewise.
717 * system.h (strsignal): Prototype it, if necessary.
718 (sys_siglist): Declare it, if necessary.
720 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
722 * loop.c (move_movables): While removing insn sequences, preserve
723 the next pointer of the most recently deleted insn when we skip
726 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
728 * objc/config-lang.in: Do not output the name of the selected
729 thread file when building the front-end. The Makefile for the
730 runtime library will do this.
732 * objc/Make-lang.in: Do not build the runtime library or install
733 the Objective C header files. The Makefile for the runtime
734 library will do this.
736 * objc/Makefile.in (all.indirect): Only build the front-end.
737 (compiler): Rename to `frontend'.
738 (obj-runtime): Remove target.
739 (copy-headers): Likewise.
740 (clean): No need to remove `libobjc.a' any longer.
742 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
744 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
745 supported with -mcpu=xxx.
747 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
749 * flow.c (mark_set_1): Recognize multi-register structure return
750 values in CALL insns.
751 (mark_used_regs): Likewise.
752 (count_reg_sets_1): Likewise.
753 (count_reg_references): Likewise.
754 * rtlanal.c (note_stores): Likewise.
755 (reg_overlap_mentioned_p): Likewise.
756 * haifa-sched.c (check_live_1): Likewise.
757 (update_live_1): Likewise.
758 (sched_analyze_1): Likewise.
759 (sched_note_set): Likewise.
760 (birthing_insn_p): Likewise.
761 (attach_deaths): Likewise.
763 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
766 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
768 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
770 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
772 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
774 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
776 * configure.in: Add check for GAS subsection -1 support.
777 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
778 * configure config.in: Rebuilt.
779 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
780 SImode is subsection -1 works, else use DImode.
781 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
783 * config/sparc/sparc.c (sparc_output_addr_vec,
784 sparc_output_addr_diff_vec): Use them if defined.
786 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
788 * tree.h (DECL_ORIGIN): New macro.
789 * integrate.c (copy_and_set_decl_abstract_origin): New function.
790 (copy_decl_list): Use it.
791 (integrate_parm_decls): Likewise.
792 (integrate_decl_tree): Likewise.
793 * dwarf2out.c (decl_ultimate_origin): Simplify.
794 * dwarfout.c (decl_ultimate_origin): Likewise.
795 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
796 (pushdecl): Likewise.
798 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
800 * config/rs6000/rs6000.c (output_epilog): Add Java support.
802 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
804 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
806 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
808 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
809 empty or has a single entry.
811 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
812 before calling reg_to_stack.
814 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
816 * alpha.c (alphaev5_insn_pipe): Abort on default case.
817 (alphaev5_next_group): Swallow CLOBBERs and USEs.
819 * c-tree.h (warn_long_long): Declare it.
821 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
823 * emit-rtl.c (gen_lowpart_common): Disable optimization of
824 initialized float-int union if the value is a NaN.
826 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
828 * c-lex.c (real_yylex): Don't warn about long long constants if
829 we're allowing long long
831 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
833 * except.h (current_function_eh_stub_label): Declare.
834 (current_function_eh_old_stub_label): Declare.
835 * function.h (struct function): New members eh_stub_label and
837 * except.c (current_function_eh_stub_label): New variable.
838 (current_function_eh_old_stub_label): New variable.
839 (init_eh_for_function): Clear them.
840 (save_eh_status): Save them.
841 (restore_eh_status): Restore them.
842 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
843 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
844 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
845 make an edge from the block that contains it to the block starting
846 with the label if this label is one of the eh stub labels.
847 If eh stub labels exist, show they are reachable from the last block
850 * reload1.c (reload): Break out several subroutines and make some
852 (calculate_needs_all_insns): New function, broken out of reload.
853 (calculate_needs): Likewise.
854 (find_reload_regs): Likewise.
855 (find_group): Likewise.
856 (find_tworeg_group): Likewise.
857 (something_needs_reloads): New global variable, formerly in reload.
858 (something_needs_elimination): Likewise.
859 (caller_save_spill_class): Likewise.
860 (caller_save_group_size): Likewise.
861 (max_needs): Likewise.
862 (group_size): Likewise.
863 (max_groups): Likewise.
864 (max_nongroups): Likewise.
865 (group_mode): Likewise.
866 (max_needs_insn): Likewise.
867 (max_groups_insn): Likewise.
868 (max_nongroups_insn): Likewise.
871 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
873 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
875 * loop.c (load_mems): Copy rtx for output mem.
877 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
879 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
880 mips1 or mips2 either.
882 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
884 * pa.c (pa_reorg): New marking scheme for jumps inside switch
886 (pa_adjust_insn_length): Update to work with new marking scheme
887 for jumps inside switch tables.
888 * pa.md (switch_jump): Remove pattern.
889 (jump): Handle jumps inside jump tables.
891 * Makefile.in (profile.o): Depend on insn-config.h
893 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
895 * iris6.h (DWARF2_UNWIND_INFO): Undef.
897 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
899 Add preliminary native sparcv9 Solaris support.
900 * configure.in: Recognize sparv9-*-solaris2*
902 * config.sub: Recognize sparcv9 just like sparc64.
903 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
904 config/sparc/sol2-cn.asm: Macroize so it can be shared between
905 32-bit and 64-bit Solaris systems.
906 * config/sparc/t-sol2: Assemble those with cpp.
907 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
908 (*TF*_LIBCALL): If ARCH64 use V9 names.
909 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
911 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
913 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
914 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
916 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
918 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
919 to Pmode if CASE_VECTOR_MODE is something else.
921 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
923 * prefix.c (update_path): Correctly handle cases where PATH is
924 a substring of the builtin prefix, but specifies a different
927 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
929 * expr.c: Corrected comment about what MOVE_RATIO does.
930 * config/alpha/alpha.h: Ditto.
931 * config/1750a/1750a.h: Ditto.
932 * config/clipper/clipper.h: Ditto.
933 * config/i386/i386.h: Ditto.
935 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
937 * configure.in (m68k-next-nextstep3*): Use collect2.
938 Similarly for x86 NeXT configurations.
939 * configure: Rebuilt.
941 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
943 * configure.in: Don't assume srcdir is .../gcc
944 * configure: Rebuilt.
946 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
948 * global.c: Update comments.
949 (global_alloc): Assign allocation-numbers
950 even for registers allocated by local_alloc in case
951 they are later spilled and retry_global_alloc is called.
952 (mark_reg_store, mark_reg_clobber,
953 mark_reg_conflicts, mark_reg_death): Always record a
954 conflict with a pseudo register even if it has been
955 assigned to a hard register.
956 (dump_conflicts): Don't list pseudo registers already assigned to
957 a hard register as needing to be allocated, but do list their
959 * local-alloc.c: Update comment.
961 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
963 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
964 * configure: Rebuilt.
966 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
968 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
970 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
971 for all targets that set -msoft-float.
973 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
975 * toplev.c (print_switch_values): Make static to match prototype.
977 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
979 * configure.in: If we are unable to find the "gnatbind" program,
980 then do not configure the ada subdir.
981 * configure: Rebuilt.
983 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
985 * version.c: Bump for snapshot.
987 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
989 * version.c: Bump for snapshot.
991 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
993 * Makefile.in (toplev.o): Depend on $(EXPR_H).
994 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
996 * gansidecl.h: Define ATTRIBUTE_NORETURN.
998 * genattrtab.c: Have insn-attrtab.c include toplev.h.
1000 * genextract.c: Have insn-extract.c include toplev.h.
1002 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
1004 * toplev.c: Include expr.h.
1005 (really_sorry, fancy_abort): Remove prototypes.
1006 (set_target_switch): Add argument in prototype.
1007 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
1008 (v_really_sorry): Likewise.
1009 (print_version, print_single_switch, print_switch_values): Make
1010 static and add prototype arguments.
1011 (decl_printable_name): Add prototype arguments.
1012 (lang_expand_expr_t): New typedef.
1013 (lang_expand_expr): Declare as a lang_expand_expr_t.
1014 (incomplete_decl_finalize_hook): Add prototype argument.
1015 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
1016 (botch): Likewise for variable `s'.
1017 (rest_of_type_compilation): Mark variables `type' and `toplev'
1018 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
1019 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
1020 (display_help): Make variable `i' an `unsigned long'.
1021 (main): Remove unused parameter `envp'.
1022 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
1023 Cast -1 when comparing it with a `size_t'.
1025 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
1026 prototype with ATTRIBUTE_NORETURN.
1027 (fatal_insn_not_found, fatal_insn, really_sorry,
1028 push_float_handler, pop_float_handler): Add prototypes.
1029 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
1030 (do_abort, botch): Add prototypes.
1032 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
1034 * final.c (final): If a label is reached only from a single jump,
1035 call NOTICE_UPDATE_CC on the jump and its predecessor before
1036 emitting the insn after the label.
1038 * i386.h: Add AMD K6 support.
1039 Change TARGET_* macros to use table lookup.
1040 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
1041 (ADJUST_COST): Change definition to call function in i386.c.
1042 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
1043 * i386.c: Add AMD K6 support.
1044 Add constants for feature tests used by TARGET_* macros.
1045 (split_di): If before reload, call gen_lowpart and gen_highpart.
1046 (x86_adjust_cost): New function.
1047 (put_jump_code): New function.
1048 (print_operand): New codes 'D' and 'd'.
1049 * i386.md: New insn types. New insn attribute "memory".
1050 Redefine scheduling parameters to use new types and add AMD K6
1051 support. Explicitly set type of most insns.
1052 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
1053 Pro and K6 prefer movl $1,reg to incl reg.
1054 (adddi3, subdi3): Set cc_status.
1055 (DImode shift patterns): Change label counters from HOST_WIDE_INT
1056 to int; x86 can't have more than 2^31 DImode shifts per file.
1057 (setcc): Combine all setcc patterns. Allow writing memory.
1058 Combine all jump patterns using match_operator.
1059 (*bzero): Name pattern. Emit mutliple stos instructions when that
1060 is faster than rep stos.
1061 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
1064 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
1066 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
1069 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
1071 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
1072 not whatever we're generating now.
1074 * alpha.c (set_frame_related_p, FRP): New.
1075 (alpha_expand_prologue): Mark frame related insns.
1076 (alpha_expand_epilogue): Likewise, but with a null FRP.
1077 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
1078 * alpha.md (exception_receiver): New.
1079 * alpha/crtbegin.asm (.eh_frame): New beginning.
1080 (__do_frame_setup, __do_frame_takedown): New.
1081 * alpha/crtend.asm (.eh_frame): New ending.
1082 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
1083 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
1084 (ASM_FILE_START): Don't emit .file for dwarf2.
1086 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
1087 * rtl.c (reg_note_name): Likewise.
1088 * rtl.texi (REG_NOTES): Likewise.
1089 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
1092 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
1094 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
1095 * i386.md (movsf, movdf, movxf): Validate memory address returned
1096 from force_const_mem. Kill useless REG_EQUAL setting code.
1098 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
1100 * m68k.md (zero_extendsidi2): Fix typo.
1102 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
1104 * configure.in: Removed references to the removed file
1105 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
1106 * arm*-*-netbsd* and ns32k-*-netbsd*.
1107 * config/i386/xm-netbsd.h: Removed unnecessary file.
1108 * config/m68k/xm-netbsd.h: Likewise.
1109 * config/sparc/xm-netbsd.h: Likewise.
1110 * config/mips/xm-netbsd.h: Likewise.
1112 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
1114 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
1115 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
1117 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
1118 for exact section attributions.
1120 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
1122 * i386/crtdll.h (CPP_PREDEFINES): Define.
1124 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
1126 * m68k.md (5200 movqi): Do not allow byte sized memory references
1128 * m68k.c (output_move_qimode): Do not use byte sized operations on
1131 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
1132 explicit rules for building. Similarly for alloca, vfprintf,
1133 choose-temp and mkstemp, getopt, getopt1, and obstack.
1134 (INCLUDES): Add $(srcdir)/../include.
1135 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
1136 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
1138 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
1140 * gcc.c (do_spec_1): [case 'o'] Account for
1141 lang_specific_extra_outfiles.
1142 (main): Correctly clear all slots in outfiles for
1143 lang_specific_extra_outfiles. Set input_file_number before
1144 calling lang_specific_pre_link.
1146 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
1148 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
1150 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1152 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
1154 (sparc_output_deferred_case_vectors): If no work to do, return.
1155 Fix thinko in Sept 1 change.
1157 1998-09-03 SL Baur <steve@altair.xemacs.org>
1159 * Makefile.in: add semicolon in BISON definition for portability.
1161 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
1163 * config/nextstep.c (handle_pragma): Correct name of third
1166 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
1168 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
1169 * config/m32r/m32r.h: Make register 17 be fixed.
1170 * config/m32r/m32r.c: Use SImode for cc operations.
1172 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
1174 * invoke.texi (Warning Options): Add -Wnon-template-friend
1177 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
1179 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
1181 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
1183 * rs6000.md (movsf): Disable explicit secondary-reload-like
1184 functionality if TARGET_POWERPC64.
1185 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
1188 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
1190 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
1191 and term.h from fixinc.wrap.
1193 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1195 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
1196 safe to include both string.h and strings.h together.
1197 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
1198 which headers to search for function declarations. Continue to
1199 prefer string.h over strings.h when both are not acceptable.
1201 * acconfig.h (STRING_WITH_STRINGS): Add stub.
1203 * configure.in: Call GCC_HEADER_STRING.
1205 * system.h: Test STRING_WITH_STRINGS when deciding which headers
1206 to include. Continue to prefer string.h over strings.h when both
1209 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1211 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
1212 not assume top 32-bits of symbolic addresses are zero if
1215 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
1217 * ginclude/va-alpha.h: Protect entire second portion of the
1218 file against double inclusion.
1220 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
1222 Added support for the Boehm's garbage collector.
1223 * configure.in: Handle --enable-objc-gc.
1224 * configure: Rebuilt.
1225 * Makefile.in (CHECK_TARGETS): Add check-objc.
1226 (check-objc): New rule.
1227 * objc/Make-lang.in: Build a different Objective-C library that
1228 runs with the Boehm's collector.
1229 * objc/encoding.c (objc_round_acc_size_for_types): New function.
1230 * objc/encoding.c: Correctly compute the size of compound types in
1231 the presence of bitfields. Skip the variable name of the type if
1232 any. Added support for long long.
1233 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
1234 (_F_GCINVISIBLE): New mask.
1235 * objc/gc.c: New file. Compute the type memory mask associated with
1236 a class based on the runtime information.
1237 * objc/misc.c: Added the hooks that use the Boehm's collector
1238 allocation functions.
1239 * objc/objc-act.c (build_class_template): Generate a new class
1240 member (gc_object_type) to hold the class' type memory mask.
1241 (build_shared_structure_initializer): Initialize the new member to
1243 (encode_complete_bitfield): New function. Generate the new
1245 (encode_field_decl): Generate the new encoding only for the GNU
1247 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
1249 (class_get_gc_object_type): New function to mark a pointer instance
1250 variable as a weak pointer.
1251 * objc/objc-features.texi: New file.
1252 * objc/objc.h (gc_object_type): New class member.
1253 * objc/objects.c (class_create_instance): Create a typed memory
1254 object when compiled with Boehm's collector support.
1255 * objc/sendmsg.c (__objc_init_install_dtable): Call
1256 __objc_send_initialize instead of setting the initialize flag.
1257 (__objc_send_initialize): Call __objc_generate_gc_type_description
1258 to generate the class type memory mask. Rewrite the code that
1259 sends the +initialize so that it is called only once (bug report
1260 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
1261 * testsuite/objc: New testsuite for Objective-C type encoding.
1262 * testsuite/lib/objc-torture.exp: New file.
1263 * testsuite/lib/objc.exp: New file.
1265 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
1267 * jump.c (jump_optimize): In if/then/else transformations, add
1268 another call to modified_between_p for the jump insn.
1270 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
1272 * fix-header.c (symlink): Treat like readlink.
1274 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1276 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
1279 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
1281 * config/nextstep.h: Update HANDLE_PRAGMA macro.
1282 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
1283 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
1285 * config/nextstep.c (handle_pragma): Take three arguments, as per
1286 the new HANDLE_PRAGMA macro specification.
1287 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
1288 per the new HANDLE_PRAGMA macro specification.
1289 * config/i960/i960.c (process_pragma): Take three arguments, as
1290 per the new HANDLE_PRAGMA macro specification.
1292 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
1294 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
1295 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
1296 if unknown pragmas are encountered.
1297 (handle_sysv_pragma): Interpret return code from
1298 handle_pragma_token (). Return success/failure indication rather
1299 than next unprocessed character.
1300 (pragma_getc): New function: retrieves characters from the
1301 input stream. Defined when HANDLE_PRAGMA is enabled.
1302 (pragma_ungetc): New function: replaces characters back into the
1303 input stream. Defined when HANDLE_PRAGMA is enabled.
1305 * c-pragma.c (handle_pragma_token): Return success/failure status
1308 * c-pragma.h: Change prototype of handle_pragma_token().
1310 * varasm.c: (handle_pragma_weak): Only create this function if
1311 HANDLE_PRAGMA_WEAK is defined.
1313 * c-common,c (decl_attributes): If defined call the expression
1314 contained within the INSERT_ATTRIBUTES macro before adding
1315 attributes to a decl.
1317 * tm.texi (HANDLE_PRAGMA): Document the new verion of
1318 HANDLE_PRAGMA, which takes three arguments.
1319 (INSERT_ATTRIBUTES): Document this new macro.
1321 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
1322 new INSERT_ATTRIBUTES macro.
1324 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1326 * config/sparc/sparc.md (movdf): Only generate special RTL for
1327 LABEL_REFs when PIC.
1328 (move_label_di): Remove
1329 (movdi_pic_label_ref, movdi_high_pic_label_ref,
1330 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
1331 references when PIC.
1332 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
1333 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
1334 output an .xword for all 64-bit cases.
1336 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1338 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
1339 alignment, use FUNCTION_BOUNDARY instead.
1340 (sparc_output_deferred_case_vectors): Likewise.
1342 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1344 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
1345 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
1347 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
1349 * alpha/va_list.h: New file.
1350 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
1352 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
1354 * NEWS: Add SCO Openserver and Unixware 7 notes.
1358 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
1360 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
1361 (record_constant_1): Handle RANGE_EXPR.
1363 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
1365 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
1366 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
1367 and NOTE_INSN_RANGE_END specially.
1368 (reemit_notes): Likewise.
1370 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1372 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
1373 (ultrasparc_sched_init): Remove unneeded &.
1375 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1377 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
1378 for m68020-60, to prevent the use of fintrz.
1380 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
1382 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
1384 * Makefile.in: Likewise.
1385 * configure: Regenerated.
1387 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
1389 * configure.in (gxx_include_dir): Changed to
1390 '${prefix}/include/g++'-${libstdcxx_interface}.
1391 * configure: Rebuilt.
1393 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
1395 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
1397 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
1398 *sequences* *below* which scalar moves will be used.
1400 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
1402 * collect2.c (mktemp): Delete unused declaration.
1404 * config/xm-netbsd.h: Remove unnecessary file.
1405 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
1406 file anymore, it is not needed.
1408 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
1410 * convert.c (convert_to_integer): Issue an error on conversions to
1413 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
1415 * Makefile.in: Add lang_tree_files and gencheck.h.
1416 * configure.in: Generate them.
1417 * gencheck.c: Include gencheck.h.
1419 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1421 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
1422 movdi_lo_sum_pic and movdi_high_pic and make visible.
1423 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
1424 emit these when Pmode is not SImode.
1425 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
1427 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
1429 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
1430 .linkonce directive after the first time.
1432 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
1434 * m68k.md (beq0_di): Generate correct (and more efficient) code when
1435 the clobbered operand overlaps with an input.
1436 (bne0_di): Similarly.
1438 * Makefile.in (INSTALL): Remove "--no-header" argument.
1440 * NEWS: Various updates.
1442 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1444 * config/sparc/sparc.c (arith_operand, const64_operand,
1445 const64_high_operand, arith_double_4096_operand): Mark mode as
1447 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
1449 (sparc_emit_set_const64): Remove unused variable i.
1450 (sparc_splitdi_legitimate): Likewise for addr_part.
1451 (ultra_code_from_mask): Likewise for mask.
1452 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
1453 reverse return values so it matches usage and comments.
1454 (ultra_flush_pipeline): Likewise.
1455 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
1456 this_type, and allow loads and stores of differing FP modes as
1457 they do not create a conflict.
1458 (ultra_find_type): Initialize fpmode to SFmode, fix
1459 parenthesization thinkos in large conditional.
1460 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
1461 Init free_slot_mask after ultra_cur_hist is reset, not before.
1462 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
1463 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
1464 use ultra_flush_pipeline instead, then re-init group pointer.
1465 Fix statement with no effect. If no progress made in, and no
1466 instructions scheduled at all, advance to new pipeline cycle else
1467 we get into an endless loop.
1468 (ultrasparc_adjust_cost): Remove previous arg.
1469 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
1471 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
1473 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
1474 code. Use reg_overlap_mentioned_p to detect when source and
1475 destination overlap.
1476 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
1478 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
1480 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
1481 COMPARISON_VAL, into invariant_p.
1483 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1485 * regmove.c (regclass_compatible_p): New function.
1486 (regmove_optimize): Use it.
1488 Use NREGS parameter insted of calling max_reg_num.
1490 (fixup_match_1): Don't use code = MINUS when later tieing with
1491 a hard register is likely.
1493 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1495 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
1496 COMPARISON_VAL was normalized.
1498 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
1500 * loop.c (check_dbra_loop): The loop ending comparison value
1501 must be an invariant or we can not reverse the loop.
1503 * loop.c (scan_loop): Count down from max_reg_num - 1 to
1504 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
1506 (load_mems_and_recount_loop_regs_set): Likewise.
1508 * i386.c (print_operand): Remove obsolete 'c' docs.
1510 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
1512 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
1513 * frame.c (init_object_mutex): New function.
1514 (init_object_mutex_once): Likewise.
1515 (find_fde): Call it.
1516 (__register_frame_info): Likewise.
1517 (__register_frame_info_table): Likewise.
1518 (__deregister_frame_info): Likewise.
1520 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
1522 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
1524 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1526 * loop.c (check_dbra_loop): Enable code for reversal
1527 of some loops without a known constant loop end.
1529 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
1531 * haifa-sched.c (last_clock_var): New.
1532 (schedule_block): Initialize it.
1533 (schedule_insn): Use it to fill insn modes with issue information.
1535 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
1536 Tag trapb and next insn with TImode.
1537 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
1538 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
1539 Invoke alphaev5_align_insns as appropriate.
1540 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
1541 (MD_SCHED_VARIABLE_ISSUE): New.
1542 * alpha.md (attr type): Add multi.
1543 (define_asm_attributes): New.
1544 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
1545 (arg_home): Likewise.
1546 (fnop, unop, realign): New.
1548 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
1550 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
1551 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
1553 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
1554 (rs6000-ibm-aix4.[12]*): Likewise.
1555 * configure: Regnerate.
1557 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
1559 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
1560 already contains the return address.
1562 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
1564 * calls.c (expand_call): Use bitfield instructions to extract/deposit
1565 word sized hunks when loading unaligned args into registers.
1567 * haifa-sched.c (sched_analyze_insn): Only create scheduling
1568 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
1570 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
1572 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1574 * loop.c (check_dbra_loop): Add some code that would allow reversal
1575 of some loops without a known constant loop end if it were enabled.
1577 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
1579 * mips.md (lshrsi3_internal2+2): Fix type-o.
1581 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1583 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
1584 correctly with regards to stdio.h.
1586 * calls.c: Remove stdarg.h/varargs.h.
1589 * combine.c: Likewise.
1590 * cpperror.c: Likewise.
1591 * cpplib.c: Likewise.
1592 * cpplib.h: Likewise.
1593 * doprint.c: Likewise.
1594 * emit-rtl.c: Likewise.
1595 * final.c: Likewise.
1596 * fix-header.c: Likewise.
1598 * genattr.c: Likewise.
1599 * genattrtab.c: Likewise.
1600 * gencodes.c: Likewise.
1601 * genconfig.c: Likewise.
1602 * genemit.c: Likewise.
1603 * genextract.c: Likewise.
1604 * genflags.c: Likewise.
1605 * genopinit.c: Likewise.
1606 * genoutput.c: Likewise.
1607 * genpeep.c: Likewise.
1608 * genrecog.c: Likewise.
1609 * mips-tfile.c: Likewise.
1610 * prefix.c: Likewise.
1611 * protoize.c: Likewise.
1612 * regmove.c: Likewise.
1613 * toplev.c: Likewise.
1616 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1618 * config/sparc/sparc.c (sparc_override_options): If not
1619 TARGET_FPU, turn off TARGET_VIS.
1620 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
1621 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
1622 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
1623 (movdi_insn_sp64): Add VIS fzero alternative.
1624 (clear_sf, clear_df): New VIS patterns.
1625 (movsf, movdf expanders): Allow fp_zero_operand flat out when
1627 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
1629 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
1631 * loop.c (n_times_set, n_times_used, may_not_optimize,
1632 reg_single_usage): Convert to varrays. All uses changed.
1633 (insert_loop_mem): Return a value.
1634 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
1635 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
1638 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
1641 * configure.in: Do not set thread_file to "irix" since no such
1644 * sparc.md (float abs/neg splits): Check reload_completed before
1645 calling alter_subreg.
1647 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1649 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
1651 * config/sparc/sparc.h: Declare it.
1652 * config/sparc/sparc.md (float abs/neg splits): Use it.
1653 (all other splits): Handle SUBREGs properly where necessary.
1654 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
1656 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
1658 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
1659 an insn on the unfilled_slots_list that has no delay slots.
1660 (fill_eager_delay_slots): Similarly.
1662 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
1664 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
1665 as an ordinary operand.
1667 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
1669 * tree.c (valid_machine_attribute): Don't apply attributes to both
1672 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
1674 * reload.c (operands_match_p): Handle rtvecs.
1676 * i386.c (legitimate_pic_address_disp_p): New.
1677 (legitimate_address_p): Use it.
1678 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
1679 Handle constant pool symbols just like statics.
1680 (emit_pic_move): Use Pmode not SImode for clarity.
1681 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
1682 [UNSPEC]: New, handling what we killed above.
1683 [PLUS]: Detect and abort on invalid symbol arithmetic.
1684 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
1686 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
1688 * alias.c: Include output.h.
1689 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
1690 different if we're in a varargs function.
1691 * Makefile.in (alias.o): Depend on output.h
1693 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1695 * sh.h (GIV_SORT_CRITERION): Delete.
1697 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
1699 * regclass.c (regclass): Use xmalloc/free instead of alloca.
1700 * stupid.c (stupid_life_analysis): Ditto.
1701 * reload1.c (reload): Ditto.
1703 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1705 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
1706 arith_double_4096_operand, arith_double_add_operand): New
1708 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
1709 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
1710 them to transform add/sub 4096 into add/sub -4096.
1712 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1714 * loop.c (scan_loop): Allocate some slop to handle pseudos
1715 generated by move_movables.
1716 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
1719 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
1721 * tree.def (DECL_RESULT): Correct documentation.
1723 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1725 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
1726 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
1727 conflicts will all RELOAD_FOR_OUTPUT reloads.
1729 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
1730 loads the function result, substitute with a USE.
1732 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1734 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
1735 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
1736 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
1737 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
1738 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
1739 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
1741 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
1742 'o' to 'm' for GPR variant constraints.
1744 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
1746 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
1748 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
1750 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
1751 when the source and destination overlap.
1753 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
1754 clash with global type.
1756 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
1758 * fixinc.irix: Add curses.h handling from fixinc.wrap.
1760 * c-common.c (combine_strings): Also set TREE_READONLY.
1761 Change warn_write_strings to flag_const_strings.
1762 * c-decl.c, c-tree.h: Likewise.
1764 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1766 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
1767 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
1768 sequence, use SET/IOR instead so CSE can see it.
1769 * config/sparc/sparc.md (movhi_const64_special,
1770 movsi_const64_special): New patterns necessitated by that change.
1771 (movhi_high): Remove.
1772 (movhi_lo_sum): Change to match an IOR.
1773 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
1774 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
1775 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
1776 (movdf splits): Allow when not V9 or when not ARCH64 and integer
1777 registers are involved.
1778 (snesi_zero_extend split): Remove reload_completed test.
1779 (unnamed plus and minus zero_extend sidi splits): Add it.
1781 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
1783 * extend.texi: Remove description of extension to explicit
1784 instantiation that is now endorsed by standard C++.
1786 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1788 * config/arc/arc.c (arc_initialize_pic): Remove.
1789 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
1790 nothing on any platform and is invoked by no-one, it does not even
1791 appear in the documentation.
1792 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
1793 * config/sparc/sparc.c (initialize_pic): Likewise.
1794 (find_addr_reg): Remove this as well, no longer referenced after
1797 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
1799 * recog.c (validate_replace_rtx_group): New function.
1800 * recog.h (validate_replace_rtx_group): Declare it.
1801 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
1802 the entire group of substitutions.
1804 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
1806 * loop.c (load_mems): Fix initializers.
1808 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1810 * config/sparc/sparc.md (TFmode splits): Handle destination
1811 registers being referenced in the address correctly.
1813 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
1814 TREE_UNSIGNED, when bitsize of type's mode is larger than
1815 HOST_BITS_PER_WIDE_INT.
1817 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1819 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
1820 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
1821 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
1823 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
1826 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
1828 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
1829 * h8300.h (TINY_DATA_NAME_P): Likewise.
1830 (STRIP_NAME_ENCODING): Handle '&'.
1832 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
1833 register (it could be accessed via an outer SUBREG).
1834 (REG_OK_FOR_BASE_P): Likewwise.
1835 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
1837 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
1840 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
1842 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1844 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
1845 must be offsettable so the splits can be made.
1847 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
1849 * config/i386/winnt.c: Include system.h, not stdio.h to get
1850 sys/param.h pulled in before rtl.h in case the system defines MIN
1853 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
1855 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
1857 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
1859 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
1861 * cpplib.c (cpp_define): Handle macros with parameters.
1863 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1865 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
1866 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
1867 and DImode 64-bit. Use llong for minimal-toc SFmode and
1868 SYMBOL_REF / LABEL_REF 64-bit.
1869 (output_function_profiler): Use llong for profiler label and ld to
1870 load 64-bit label address.
1872 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
1874 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
1877 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
1879 * version.c: Bump for snapshot.
1881 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
1883 * version.c: Bump for snapshot.
1885 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
1887 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
1889 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
1891 * tm.texi (Misc): Fix typo "teh".
1893 * tm.texi (PIC): Fix typo "PPIC".
1895 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
1896 effect when -O2 and higher.
1897 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
1899 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
1901 * regclass.c: Changed register set documentation to be consistent
1904 * final.c (final_start_function) Removed redundant test for
1907 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
1909 * rtl.h (rtx_function): New type.
1910 (for_each_rtx): New function.
1911 * rtlanal.c (for_each_rtx): Define it.
1913 * recog.c (change_t): New type.
1914 (change_objects, change_old_codes, change_locs, change_olds):
1916 (changes): New variable.
1917 (validate_change): Dynamically allocate room for more changes, if
1918 necessary. Uses changes array instead of change_objects, etc.
1919 (apply_change_group): Use changes array instead of
1920 change_objects, etc.
1922 * loop.c (loop_mem_info): New type.
1923 (loop_mems): New variable.
1924 (loop_mems_idx): Likewise.
1925 (looop_mems_allocated): Likewise.
1926 (scan_loop): Remove nregs parameter.
1927 (next_insn_in_loop): New function.
1928 (load_mems_and_recount_loop_regs_set): Likewise.
1929 (load_mems): Likewise.
1930 (insert_loop_mem): Likewise.
1931 (replace_loop_mem): Likewise.
1932 (replace_label): Likewise.
1933 (INSN_IN_RANGE_P): New macro.
1934 (loop_optimize): Don't pass max_reg_num() to scan_loop.
1935 (scan_loop): Remove nregs parameter, compute it after any new
1936 registers are created by load_mems. Use INSN_IN_RANGE_P and
1937 next_insn_in_loop rather than expanding them inline. Call
1938 load_mems to load memory into pseudos, if appropriate.
1939 (prescan_loop): Figure out whether or not there are jumps from the
1940 loop to targets other than the label immediately following the
1941 loop. Call insert_loop_mem to notice all the MEMs used in the
1942 loop, if it could be safe to pull MEMs into REGs for the duration
1944 (strength_reduce): Use next_insn_in_loop. Tweak comments.
1946 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
1948 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
1950 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1952 * config/sparc/sparc.c (finalize_pic): Check for the correct
1953 nonlocal_goto_receiver UNSPEC number.
1954 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
1955 making note of this dependency existing in sparc.c
1956 (negtf2_notv9 split): Give NEG SFmode.
1957 (negsf2): Fix insn output string.
1959 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
1961 * c-common.c (decl_attributes): Issue an error if the argument
1962 to alias is not a string.
1964 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
1966 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
1967 pending memory flush list.
1969 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
1971 (try_combine): Allow combining insns with REG_LIBCALL notes.
1973 * expr.c (emit_block_move): Do not call memcpy as a libcall
1974 instead build up a CALL_EXPR and call it like any other
1976 (clear_storage): Similarly for memset.
1978 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
1981 * Makefile.in (cplus-dem.o): Provide explicit rules for building
1984 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
1985 and REG_LIVE_LENGTH as successful substitutions are made.
1987 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1989 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
1990 statement after end of loop label.
1992 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1994 * config/sparc/sparc.c (ultra_types_avail): New variable.
1995 (ultra_build_types_avail): New function to record mask of insn
1996 types in ready list at this cycle.
1997 (ultrasparc_sched_reorder): Call it.
1998 (ultra_find_type): Use it to quicken the search. Also simplif
1999 dependency check, don't use rtx_equal_p because we know exactly
2000 what we are looking for.
2002 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
2004 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
2005 for architecture v4.
2007 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2009 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
2011 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
2012 movdf_const_intreg and helper splits): New patterns to move float
2013 constants into integer registers.
2014 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
2017 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
2020 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
2022 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
2024 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
2025 a BASE_REGS register is needed as an intermediate when copying
2026 a symbolic value into any register class other than BASE_REGS.
2028 * expr.c (move_by_pieces): No longer static. Remove prototype.
2029 * rtl.h (move_by_pieces): Add extern prototype.
2030 * mips.c (expand_block_move): Handle aligned straight line copy by
2031 calling move_by_pieces.
2033 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
2036 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
2038 * stmt.c (expand_end_loop): Tidy. Allow unconditional
2039 jumps out of the loop to be treated as part of the exit test.
2041 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2042 Jeff Law <law@cygnus.com>
2044 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
2045 * cplus-dem.c: Delete.
2047 * Makefile.in (fold-const.o): depend on $(RTL_H).
2049 * fold-const.c: Include rtl.h to get the prototype for
2050 `set_identifier_local_value'.
2052 * loop.c (express_from_1): Remove unused variable `tmp'.
2053 (combine_givs): cast the first argument of bzero to char *.
2055 * toplev.c (display_help): Remove unused variable `looking_for_start'.
2057 * c-decl.c (init_decl_processing): Remove unneeded &.
2059 * alpha.h (alpha_initialize_trampoline): Provide prototype.
2061 * except.c (set_exception_lang_code, set_exception_version_code):
2062 Change parameter from `short' to `int' to avoid using a gcc
2065 * except.h (set_exception_lang_code, set_exception_version_code):
2066 Likewise for prototypes.
2068 * flow.c (count_reg_references): Remove unused variables `regno'
2071 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
2073 * prefix.c (translate_name): Cast the result of `alloca'.
2075 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
2077 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2079 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
2081 (valid_dbcc_comparison_p): Mark mode argument as unused.
2082 (symbolic_operand): Likewise.
2083 (legitimize_pic_address): Likewise.
2084 (const_uint32_operand): Likewise.
2085 (const_sint32_operand): Likewise.
2086 * sched.c [!INSN_SCHEDULING]: Define only dummy function
2087 schedule_insns and comment out rest of file.
2089 * m68k.c (output_move_simode_const): Use subl to move a zero into an
2091 (output_move_[hq]imode): Likewise.
2093 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
2095 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
2096 * invoke.texi: Corresponding changes.
2098 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
2100 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
2102 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2104 * config/sparc/sparc.c (ultra_code_from_mask,
2105 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
2106 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
2107 ultrasparc_sched_init, ultrasparc_variable_issue,
2108 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
2109 functions to describe UltraSPARC pipeline exactly to Haifa.
2110 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
2111 as there is nothing the scheduler can do about it. Indicate that
2112 REG_DEP_OUTPUT's collide. Fixup formatting.
2113 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
2114 divide costs on Ultra for DImode.
2115 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
2117 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
2118 ieuN and add call_no_delay_slot to type list.
2119 (cti function unit): New unit for branches on UltraSPARC.
2120 (subx/addx insns): Set type to misc.
2121 (sidi zero/sign extension insns on arch64): Set type to shift.
2122 (sign_extendhidi2_insn): Set type to sload.
2124 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
2126 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
2127 (output_epilog): Use if != 0 for offset.
2128 (rs6000_fatal_bad_address): Prepare for Intl.
2129 * rs6000.h (rs6000_fatal_bad_address): Declare.
2130 * rs6000.md (movsfcc, movdfcc): Use else if.
2131 (elf_high): Use {liu|lis}.
2132 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
2133 (movsi): Use rs6000_fatal_bad_address.
2135 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
2137 * reload.c (find_equiv_reg): Reject equivalences separated
2138 by a volatile instruction.
2140 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2142 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
2144 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
2146 * alpha.md (movsicc): Fix mode mismatch.
2148 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
2150 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
2152 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
2154 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2156 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
2157 write-only modifier from operand 1 constraint.
2159 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2161 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
2162 emitting a XOR of -1 at the end, emit a NOT instead for combine's
2164 (sparc_emit_set_const64): Likewise, also when computing trailing
2165 bits do not negate low_bits and make fast_int an int.
2167 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
2169 * loop.c (add_label_notes): Do not ignore references to labels
2170 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
2171 * gcse.c (add_label_notes): Similarly.
2173 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
2175 * m68k.md (adddi_dilshr32): One of the operands must be a register.
2176 (adddi_dishl32): Similarly.
2178 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
2180 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
2181 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
2182 * cse.c (cse_basic_block): Add parens to shut up warnings.
2184 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2186 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
2187 sparc_emit_set_const64_longway, const64_is_2insns,
2188 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
2189 in 64-bit constant formation.
2190 * config/sparc/sparc.md (snesi_zero_extend split): Generate
2191 rtl for addx not subx.
2192 (define_insn movdi_const64_special): Make available even when
2193 HOST_BITS_PER_WIDE_INT is not 64.
2194 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
2195 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
2196 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
2197 instances of operand 1 inside a QI subreg.
2198 (xordi3_sp64_dbl): Remove '%' constraint for op1.
2199 (one_cmpldi2_sp64): Fix output string.
2200 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
2202 (unnamed arch64 ashift DI): Truncate shift count if greater than
2205 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2207 * expr.c (store_expr): Don't optimize away load-store pair
2208 when either source or destination have a side effect.
2210 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
2212 * genrecog.c (add_to_sequence): Fatal error if the modes of the
2213 operands of SET are incompatible.
2215 * alpha.md: Fix max and min patterns so modes of SET operands match.
2217 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
2219 * configure.in: Avoid [[ by using test and changequote.
2220 * configure: Rebuild.
2222 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2224 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
2226 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
2227 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
2228 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
2229 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
2230 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
2231 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
2232 Fix mismatching modes in SET operands.
2233 (conditional move patterns): Fix formatting.
2234 (unnamed subx arch64 pattern): Remove duplicate insn.
2236 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2238 * config/sparc/sparc.c (const64_operand, const64_high_operand):
2239 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
2240 (input_operand): Fixup test for what we accept for constant
2242 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
2244 (safe_constDI): Remove.
2245 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
2246 gen_safe_XOR64): New functions.
2247 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
2248 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
2250 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
2251 available when HOST_BITS_PER_WIDE_INT is not 64.
2252 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
2253 move before movdi_insn_sp64 pattern.
2254 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
2255 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
2256 symbolic_operand as predicate for second operand.
2257 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
2258 expander): Give set VOIDmode.
2260 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
2262 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
2264 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
2266 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
2268 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
2270 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
2272 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
2274 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
2276 * install.texi: Various SCO OpenServer tweaks.
2278 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
2280 * reload1.c (eliminate_regs_in_insn): Handle another case when
2281 eliminating the frame pointer to the hard frame pointer. Add
2282 missing ep->to_rtx check to one existing case.
2284 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
2286 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
2288 * tree.h: De-conditionalize init_priority code.
2290 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
2291 * collect2.c (NM_FLAGS): Change from -p to -n.
2293 * configure.in: Turn on collect2 for mipstx39-elf.
2294 Handle use_collect2=no properly.
2296 * c-common.c: De-conditionalize init_priority code.
2297 * collect2.c (extract_init_priority, sort_ids): New fns.
2298 (main): Call sort_ids.
2299 Move sequence_number to file scope.
2301 * configure.in: Handle --enable-init-priority.
2302 * c-common.c (attrs): Add A_INIT_PRIORITY.
2303 (init_attributes, decl_attributes): Likewise.
2304 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
2305 * tree.c (get_file_function_name_long): Split out...
2306 (get_file_function_name): ...from here.
2308 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
2310 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
2313 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
2315 * toplev.c (display_help): Add braces to shut up warnings.
2316 * tree.c (simple_cst_equal): Likewise.
2318 * fold-const.c (non_lvalue): Don't deal with null pointer
2320 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
2322 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
2323 of any size to a pointer.
2325 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
2327 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
2329 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
2331 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
2332 which will be saved.
2333 * mn10300.md (prologue insn): Only save registers which need saving.
2334 (epilogue insn): Similarly.
2336 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
2339 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
2341 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
2342 VAR_DECL's in gp addressable sections.
2344 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
2346 * sparc.c: Change return <exp> to <exp>; return; in functions
2348 * sparc.md: Add empty semicolon statement after final label in
2351 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2353 * config/sparc/sparc.md (define_insn addx_extend): Rename to
2354 addx_extend_sp64, only allow when TARGET_ARCH64.
2355 (define_insn addx_extend_sp32 and split): Version that works when
2357 (define_insn subx_extend): Likewise.
2358 (define_split adddi3 and subdi3 with zero extension): Fixup and
2359 correct bugs when not TARGET_ARCH64.
2361 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
2363 * except.c (set_exception_lang_code, set_exception_version_code):
2364 Use prototype-style definition if __STDC__, to match declaration
2367 * genemit.c: Change FAIL and DONE macros not to use loops.
2369 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
2371 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
2372 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
2374 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
2376 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
2378 * README.g77: Update from Craig.
2380 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2382 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
2384 (safe_constDI sparc_emit_set_const64_quick1,
2385 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
2386 analyze_64bit_constant, const64_is_2insns,
2387 create_simple_focus_bits): Fix some bugs when compiled on real
2389 (function_arg_record_value_3, function_arg_record_value_2,
2390 function_arg_record_value): Add fully prototyped forward decls.
2391 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
2392 to cmpsi_insn and use on both 64 and 32 bit targets.
2393 (define_insn cmpsi_insn_sp64): Remove.
2394 (define_expand zero_extendsidi2): Allow for 32-bit target too.
2395 (define_insn zero_extendsidi2_insn): Rename to
2396 zero_extendsidi2_insn_sp64.
2397 (define_insn zero_extendsidi2_insn_sp32): New pattern and
2398 assosciated forced split for it.
2400 * config/sparc/sparc.c (const64_operand, const64_high_operand):
2402 * config/sparc/sparc.h: Declare them.
2403 (PREDICATE_CODES): Add them.
2404 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
2405 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
2407 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
2409 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
2410 in v9 case as the latter makes the Solaris assembler crash.
2412 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2414 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
2415 for TFmode when !v9. We require offsettable memory addresses.
2416 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
2417 DFmode register number conversions.
2418 * config/sparc/sparc.md (define_split DFmode moves): If register
2419 is a SUBREG do alter_subreg on it before using.
2420 (define_expand movtf): Fixup comment about alignment on v9.
2421 (define_split TFmode moves): Don't use gen_{high,low}part, create
2422 explicit SUBREGs instead.
2424 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
2426 * Makefile.in (mbchar.o): Depend on mbchar.c.
2428 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2429 Richard Henderson <rth@cygnus.com>
2431 Rewrite Sparc backend for better code generation and
2432 improved sparc64 support.
2433 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
2435 * config/sparc/sysv4.h: Likewise.
2436 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
2437 move_operand, v8plus_regcmp_op, emit_move_sequence,
2438 singlemove_string, doublemove_string, mem_aligned_8,
2439 output_move_double, output_move_quad, output_fp_move_double,
2440 move_quad_direction, output_fp_move_quad, output_scc_insn):
2442 (small_int_or_double): New predicate.
2443 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
2444 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
2445 old pic_{sethi,lo_sum}_si patterns.
2446 (mem_min_alignment): New generic function to replace
2447 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
2448 available and can test for arbitrary alignments. All callers
2450 (save_regs, restore_regs, build_big_number,
2451 output_function_prologue, output_cbranch, output_return,
2452 sparc_flat_save_restore, sparc_flat_output_function_prologue,
2453 sparc_flat_output_function_epilogue): Prettify
2455 (output_function_epilogue): Likewise and add code to output
2456 deferred case vectors.
2457 (output_v9branch): Likewise, add new arg INSN and use it to tack
2458 on branch prediction settings. All callers changed.
2459 (print_operand): Likewise and output %l44 for LO_SUMs when
2461 (sparc_splitdi_legitimate): New function to make sure DImode
2462 splits can be run properly when !arch64.
2463 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
2464 Reformat example code in comments.
2465 (set_extends): Remove UNSPEC/v8plus_clear_high case.
2466 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
2467 of deferred case vectors we need to output.
2468 (sparc_defer_case_vector): Record a case vector.
2469 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
2470 sparc_output_deferred_case_vectors): New functions to output them.
2471 (sparc_emit_set_const32): New function to form 32-bit constants in
2472 registers when that requires more than one instruction.
2473 (safe_constDI, sparc_emit_set_const64_quick1,
2474 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
2475 analyze_64bit_constant, const64_is_2insns,
2476 create_simple_focus_bits, sparc_emit_set_const64): New functions
2477 which do the same for 64-bit constants when arch64.
2478 (sparc_emit_set_symbolic_const64): New function to emit address
2479 loading for all code models on v9.
2480 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
2481 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
2482 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
2483 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
2484 inaccuracies in comments, add symbolic and text_segment operands
2485 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
2486 GENERAL_REGS in these cases as a temp REG is needed to load these
2487 addresses into a register properly.
2488 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
2490 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
2491 quads are guarenteed to have 16-byte alignment.
2492 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
2493 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
2494 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
2495 deferred case vector implementation.
2496 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
2497 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
2498 Generate "internal label - label" instead of "label - 1b".
2499 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
2500 (PREDICATE_CODES): Remove sparc_operand, move_operand,
2501 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
2503 (doublemove_string, output_block_move, output_fp_move_double,
2504 output_fp_move_quad, output_move_double, output_move_quad,
2505 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
2506 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
2507 (sparc_emit_set_const32, sparc_emit_set_const64,
2508 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
2509 mem_min_alignment, small_int_or_double): Add externs.
2510 * config/sparc/sparc.md: Document the many uses of UNSPEC and
2511 UNSPEC_VOLATILE in this backend.
2512 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
2513 unary to types which execute in it.
2514 (define_function_unit ieu_shift): Rename to ieu0.
2515 (define_function_unit ieu1): New, executes compare, call, and
2516 uncond_branch type insns.
2517 (define_function_units for type fdivs, fdivd, fsqrt): These
2518 execute in the fpu multiply unit not the adder on UltraSparc.
2519 (define_expand cmpdi): Disallow TARGET_V8PLUS.
2520 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
2521 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
2522 allows the arith_double_operand predicate and rHI constraint when
2524 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
2525 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
2526 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
2527 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
2528 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
2529 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
2530 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
2531 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
2532 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
2533 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
2534 sign_extendqihi2_insn, sign_extendqisi2_insn,
2535 sign_extendqidi2_insn, sign_extendhidi2_insn,
2536 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
2537 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
2538 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
2539 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
2540 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
2541 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
2542 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
2543 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
2544 smulsi3_highpart_v8plus, unnamed subreg mult,
2545 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
2546 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
2547 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
2548 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
2549 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
2550 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
2551 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
2552 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
2553 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
2554 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
2555 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
2556 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
2557 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
2558 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
2559 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
2560 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
2561 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
2562 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
2563 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
2564 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
2565 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
2566 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
2567 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
2568 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
2569 call_address_untyped_struct_value_sp32,
2570 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
2571 call_value_symbolic_sp32, call_value_address_sp64,
2572 call_value_symbolic_sp64, branch_sp32, branch_sp64,
2573 flush_register_windows, goto_handler_and_restore,
2574 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
2575 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
2576 return_addsi, return_di, return_adddi, return_sf, all call+jump
2577 peepholes, trap, unnamed trap insns): Prettify output strings.
2578 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
2579 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
2580 Likewise and force + implement splits for integer cases.
2581 (define_insn return_sf_no_fpu): Likewise and allow to match when
2582 no-fpu because of our subreg SFmode splits.
2583 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
2584 zero_extendqidi2_insn, zero_extendhidi2_insn,
2585 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
2586 input_operand for second operand.
2587 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
2588 reg_or_0_operand for operand 2 so new splits can use it.
2589 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
2590 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
2592 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
2593 CONST_DOUBLEs for operand 2.
2594 (define_insn move_label_di): Likewise and label distance
2595 optimization because it no longer works with new deferred case
2596 vector scheme. To be revisited.
2597 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
2598 and allow reg_or_0_operand and J constraint for second operand.
2599 (define_insn jump): Set branch predict taken on V9.
2600 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
2601 new deferred case vector scheme.
2602 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
2603 (define_insn negdi2_sp32): Force + implement splits.
2604 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
2605 one_cmplsi2_not_liveg0 respectively, and create expander of original
2606 names which emit special rtl for TARGET_LIVE_G0.
2607 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
2608 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
2609 gen_compare_reg, FAIL instead.
2610 (define_insn sgtu, sleu): Likewise and check gen_s*() return
2611 values when trying to reverse condition codes, if they FAIL then
2613 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
2614 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
2615 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
2616 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
2617 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
2618 set output string to # to indicate they are mandatory splits.
2619 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
2620 pic_sethi_di, move_pic_label_si): Remove.
2621 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
2622 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
2624 (define_expand movsi_pic_label_ref, define_insn
2625 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
2626 expander and insns to handle PIC label references and deferred
2628 (define_insn get_pc_via_rdpc): Comment out as it is no longer
2630 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
2631 Rewrite to not use emit_move_sequence, make use of new constant
2632 formation code, and new splits for all multi-insn cases.
2633 (define_insn movqi_insn): Remove sethi case, it can never happen.
2634 Use reg_or_zero_operand instead of const0_rtx explicit test,
2635 use input_operand instead of move_operand for source, and use
2636 general_operand now for dest.
2637 (define_insn movhi_insn): Similar but leave sethi case.
2638 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
2639 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
2640 movhi_lo_sum respectively, prettify output string.
2641 (define_insn movsi_zero_liveg0): New pattern to put zero into a
2642 register when needed on TARGET_LIVE_G0.
2643 (define_insn movsi_insn): Use general_operand and input_operand
2644 for dest and src respectively. Simplify applicability test.
2645 Prettify output strings, and add clr alternative for J
2647 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
2648 deprecated std and reg-reg DI moves): Remove and...
2649 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
2650 implementation which uses forced splits for all non-single insn
2652 (define_split DI move cases on !arch64): New splits to handle all
2653 situations of 64-bit double register DImode on 32bit, and
2654 unaligned registers and memory addresses for all subtargets.
2655 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
2657 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
2658 input_operand for dest and src respectively, prettify output
2660 (define_insn movdf_insn, movdf_no_e_insn, store_df,
2661 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
2663 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
2664 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
2665 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
2666 movtf_no_e_insn_sp64) Replace with new
2667 implementation which uses forced splits for all non-single insn
2669 (define_split DF move cases): New splits in similar vein to DI
2671 (define_insn sethi_di_medlow, sethi_di_medium_pic,
2672 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
2673 movdi_sp64_insn): Remove old v9 code model and constant loading
2675 (define_insn pic_lo_sum_di, pic_sethi_di,
2676 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
2677 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
2678 embmedany_sethi, embmedany_losum, embmedany_brsum,
2679 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
2680 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
2681 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
2682 scheme, using unspecs, secondary reloads, and one to one sparc
2683 insn to rtl insn mapping for better scheduling and code gen.
2684 (define_expand reload_indi, reload_outdi): Reload helpers for
2685 MEDANY and EMBMEDANY symbol address loading cases which require a
2687 (define_expand movsicc): Remove v8plus_regcmp cases.
2688 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
2689 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
2690 cmp_diqi_trunc_set): New patterns used by some of the new scc
2692 (define_insn xordi3_sp64_dbl): New pattern used for constant
2693 formation when crossing from 32-bit targets.
2694 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
2696 (define_insn addx, subx): Make visible and prettify.
2697 (define_insn adddi3_insn_sp32): Likewise and force split.
2698 (define_insn addx_extend, subx_extend, unnamed): New patterns for
2699 64bit scc split usage.
2700 (define_insn unnamed plusDI zero_extend, unnamed minusDI
2701 zero_extend, subdi3): Force and implement splits.
2703 * final.c (final_scan_insn): Don't output labels if target
2704 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
2707 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
2708 don't forget to walk inside SEQUENCESs too as these are what the
2709 delay slot scheduler will create.
2711 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
2713 * alpha.md (extxl+1,+2): New patterns to work around
2716 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
2718 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
2719 caused bad assembly code to be generated.
2721 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
2723 * netbsd.h: Fix typo.
2725 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
2727 * config.sub: Fix typo.
2729 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
2731 * invoke.texi (Environment Variables): Typo: Change "ascpects"
2733 (Running Protoize): Typo: Change "ther" into "other".
2735 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
2737 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
2738 * m68k/netbsd.h: Likewise.
2739 * ns32k/netbsd.h: Likewise.
2740 * sparc/netbsd.h: Likewise.
2742 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
2744 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
2745 * ginclude/va-clipper.h (va_list): Likewise.
2747 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
2749 * rs6000.c (rs6000_override_options): If big endian and -Os, use
2750 load/store multiple instructions unless user overrides.
2752 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
2754 * ns32k/netbsd.h: Fix typo.
2756 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
2758 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
2759 labels with .debugsym if no parallel insns.
2761 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
2763 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
2764 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
2766 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
2768 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
2769 (AR_FOR_TARGET): Define.
2771 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
2773 * dyn-string.h: New file.
2774 * dyn-string.c: Likewise.
2775 * Makefile.in (OBJS): Add dyn-string.o.
2776 (dwarf2out.o): Add dyn-string.h dependency.
2777 (dyn-string.o): List dependencies.
2778 * dwarf2out.c: Include dyn-string.h.
2779 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
2780 (addr_const_to_string): Take a dyn_string_t, not a char* as a
2781 prototype. Use dyn_string_append rather than strcat, throughout.
2782 (addr_to_string): Use dyn_string_t.
2784 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
2786 Function entry/exit profiling instrumentation:
2787 * expr.h (profile_function_entry_libfunc,
2788 profile_function_exit_libfunc): Declare new variables.
2789 * optabs.c: Define them here.
2790 (init_optabs): Initialize them.
2791 * tree.h (struct tree_decl): New flag
2792 no_instrument_function_entry_exit.
2793 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
2794 * c-decl.c (duplicate_decls): Merge it.
2795 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
2796 (init_attributes): Use it for "no_instrument_function".
2797 (decl_attributes): Handle it, for functions that have not yet been
2798 compiled. Set decl flag.
2799 * flags.h (flag_instrument_function_entry_exit): Declare new
2801 * toplev.c (flag_instrument_function_entry_exit): Define it here.
2802 (f_options): New option "instrument-functions".
2803 * function.h (struct function): New field instrument_entry_exit.
2804 * function.c (current_function_instrument_entry_exit): New
2806 (push_function_context_to, pop_function_context_from): Save and
2808 (expand_function_start): Set current_ variable, maybe emit return
2809 label and entry profile call.
2810 (expand_function_end): Maybe emit exit profile call.
2812 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
2814 * i386.md (movqi): When optimizing a load of (const_int 1) into a
2815 NON_QI_REG_P, pretend the register is SImode.
2817 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
2819 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
2820 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
2821 manufacturer id for ns32k.
2822 * configure: Regenerated.
2823 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
2824 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
2825 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
2826 * config/m68k/netbsd.h: Same.
2827 * config/ns32k/netbsd.h: Same.
2828 * config/sparc/netbsd.h: Same.
2830 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
2832 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
2833 or UNROLL_COMPLETELY loop that starts with a jump to its
2836 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
2838 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
2839 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
2840 (print_operand, case 'B'): Don't fall through.
2841 (print_operand, case 'S'): Correct mask begin/end computation.
2842 Use HOST_BITS_PER_WIDE_INT.
2843 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
2844 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
2845 * rs6000/aix41.h (CPP_PREDEFINES): Same.
2846 * rs6000/aix43.h (CPP_PREDEFINES): Same.
2848 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
2850 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
2851 constraint from second alternative.
2853 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2855 * configure.in: Fix --without/--disable cases for local-prefix,
2856 gxx-include-dir and checking.
2858 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2860 * configure.in (enable_haifa): Set by default for sparc64 too.
2863 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2865 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
2866 * i386/winnt.c (associated_type): New fn.
2867 (i386_pe_valid_type_attribute_p): New fn.
2868 (i386_pe_check_vtable_importexport): Remove.
2869 (i386_pe_dllexport_p): Use associated_type.
2870 (i386_pe_dllimport_p): Likewise.
2872 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
2873 * i386.c (i386_valid_type_attribute_p): Also accept
2874 attributes for METHOD_TYPEs.
2876 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
2878 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
2880 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
2882 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
2884 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
2885 them from generating a new base name for each occurence of
2888 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
2890 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
2892 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
2896 * cplus-dem.c (type_kind_t): New type.
2897 (demangle_template_value_parm): Add type_kind_t parameter. Rely
2898 on this paramter, rather than demangling the type again.
2899 (demangle_integral_value): Pass tk_integral.
2900 (demangle_template_: Pass the value returned from do_type.
2901 (do_type): Return a type_kind_t. Pass tk_integral to
2902 demangle_template_value_parm for array bounds.
2903 (demangle_fund_type): Likewise.
2905 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
2907 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
2910 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
2912 * pa.c (move_operand): Accept CONSTANT_P_RTX.
2914 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
2916 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
2918 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
2921 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
2923 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
2924 (DEBUGGER_ARG_OFFSET): Likewise.
2926 * mn10300.md (movsf): Remove last change. Not needed.
2928 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
2930 * c-lex.c (yylex): Fix boundary conditions in character literal and
2931 string literal loops.
2933 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
2935 * longlong.h (count_leading_zeros): Sparclite scan instruction was
2936 being invoked incorrectly.
2938 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
2939 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
2941 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
2942 * configure.in: Added i[34567]86-*-win32
2943 * config.sub: Ditto.
2944 * configure: Rebuilt.
2946 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
2948 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
2949 the frame pointer and compiling PIC code and reload has not completed.
2951 * i386.c (output_to_reg): Add code to emulate non-popping DImode
2954 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
2956 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
2958 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2960 * Makefile.in (install-info): Only try to update the info
2961 directory file if it exists in the first place.
2963 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
2965 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
2967 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
2969 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
2970 CONST_DOUBLE source.
2972 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
2974 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
2975 strings as the insertion of USER_LABEL_PREFIX.
2976 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
2978 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
2981 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
2983 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
2984 already defined type.
2986 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
2988 * expr.c (check_max_integer_computation_mode): Allow conversions
2989 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
2990 (expand_expr): Likewise.
2992 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2994 * expr.c (expand_expr): Expand RETURN_EXPR.
2996 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
2998 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
3000 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
3002 * dwarf2out.c (output_aranges): Call stripattributes
3003 for TEXT_SECTION references.
3004 (output_line_info): Likewise.
3006 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3008 * profile.c (branch_prob): Call allocate_reg_info after outputting
3009 profile rtl in instrument_arcs.
3011 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
3013 * fixinc.irix (math.h): Install wrapper instead of copying.
3015 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3017 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
3018 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
3019 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
3020 lang_flag_0. Added documentation in the flag table.
3022 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
3024 * cccp.c (do_include): Fix vax c style include handling.
3026 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
3028 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
3030 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
3032 * fold-const.c (non_lvalue): Don't deal with null pointer
3034 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
3036 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
3038 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
3039 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
3040 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
3041 (u_short_cint_operand): Same.
3042 (reg_or_cint_operand): Same.
3043 (logical_operand): Same.
3044 (input_operand): Same.
3045 (reg_or_short_operand): Use u_short_cint_operand.
3047 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
3049 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
3050 but keep the insns and splits. Adjust so when the ultimate destination
3051 is memory, use cvtql.
3053 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
3055 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
3057 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
3059 * gcc.c (do_spec): Call "error" not "warning".
3061 * configure.in: Fix minor problems with gas feature detection code.
3062 * configure: Rebuilt.
3064 * gcc.c (do_spec): Issue a warning for '%[]' usage.
3067 * gcc.c: Delete %[spec] support.
3068 (do_spec_1, case '('): Likewise.
3069 (do_spec_1, case '['): Call error.
3071 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
3073 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
3074 (CPP_SUBTARGET_SPEC): Default to empty string.
3075 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
3076 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
3077 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
3078 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
3080 * alpha/linux.h (CPP_PREDEFINES): Tidy.
3081 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
3082 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
3083 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
3084 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
3085 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
3086 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
3087 * alpha/vxworks.h: Likewise.
3089 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
3091 * mips.md (reload_outsi): Added missing REGNO call.
3092 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
3094 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
3095 another match_operator and compare the codes.
3097 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
3099 * MIPS multiply pattern fixes:
3100 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3101 Add union classes for HI, LO, or HILO plus general registers.
3102 (GENERATE_MADD): Deleted.
3103 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
3104 Add TARGET_MAD to condition.
3105 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
3106 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
3107 "*d" for accumulator, to give preference to LO initially but not
3110 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
3112 * configure.in (enable_c_mbchar): New configure option.
3113 (extra_cpp_objs): Always available now.
3115 * cexp.y (mbchar.h): #include it.
3116 (yylex): Handle Multibyte characters in character literals.
3118 * cccp.c (mbchar.h): #include it.
3119 (main): Set character set based on LANG environment variable.
3120 (rescan): Handle multibyte characters in comments.
3121 (skip_if_group): See above.
3122 (validate_else): See above.
3123 (skip_to_end_of_comment): See above.
3124 (macarg1): See above.
3125 (discard_comments): See above.
3126 (rescan): Handle multibyte characters in string and character literals.
3127 (collect_expansion): See above.
3128 (skip_quoted_string): See above.
3129 (macroexpand): See above.
3130 (macarg1): See above.
3131 (discard_comments): See above.
3132 (change_newlines): See above.
3134 * c-lex.c (mbchar.h): #include it.
3135 (GET_ENVIRONMENT): New macro.
3136 (init_lex): Set character set based on LANG environment variable.
3137 (yylex): Handle multibyte characters in character literals.
3138 (yylex): Handle multibyte characters in string literals.
3140 * Makefile.in (mbchar.o): New target.
3141 (cccp$(exeext)): @extra_cpp_objs@ is always available.
3142 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
3144 * mbchar.[ch]: New files for multibyte character handling.
3146 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3148 * jump.c (jump_optimize): When simplifying noop moves and
3149 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
3150 the PUSHes to rewrite in second loop as we did in the first.
3152 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3154 * cplus-dem.c (demangle_nested_args): Make function definition
3155 static to match the prototype.
3157 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
3159 * alloca.c: Respect USE_C_ALLOCA.
3160 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
3161 * gengenrtl.c (xmalloc): Likewise.
3163 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
3165 * loop.h (struct induction): Add no_const_addval.
3166 * loop.c (the_movables, reg_address_cost): New variables.
3167 (init_loop): Init reg_address_cost.
3168 (loop_optimize): Call end_alias_analysis.
3169 (scan_loop): Init the_movables.
3170 (record_giv): Init induction->no_const_addval.
3171 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
3172 [REG]: Rearrange loop search test to catch more cases.
3173 (general_induction_var): Return success not benefit; take an extra
3174 argument for that. Change all callers.
3175 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
3176 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
3177 [default]: Search the_movables for additional combinations.
3178 (sge_plus_constant, sge_plus): New functions.
3179 (express_from_1): New function.
3180 (express_from): Always define. Rewrite using express_from_1.
3181 (combine_givs_p): Handle more cases. Ignore address cost.
3182 (cmp_combine_givs_stats): New function.
3183 (combine_givs_used_once, combine_givs_benefit_from): New functions.
3184 (combine_givs): Rewrite to do best-fit combination.
3186 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
3187 (fold): Do a complete (A*C)+(B*C) association check.
3189 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
3191 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
3193 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
3195 * mn10300.c (MODES_TIEABLE_P): Fix typo.
3197 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
3199 * tree.c (valid_machine_attribute): Only create a new type variant if
3200 there is a decl to use it.
3202 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
3204 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
3207 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
3209 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
3212 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
3214 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
3215 Simplify tests for clearing an address register.
3216 (expand_prologue): Corresponding changes.
3218 * mn10300.md (movXX patterns): Make sure the destination is an
3219 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
3220 (logical patterns): Split into expanders + patterns
3221 (zero and sign extension patterns): Similarly.
3222 (shift patterns): Similarly.
3224 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
3226 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
3227 for the sequence, recording base values.
3229 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
3231 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
3233 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
3235 * gcc.c: Remove ANSI-C ism from --help code.
3237 * toplev.c: Support --help with USE_CPPLIB.
3239 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
3241 * configure.in: Rework gas feature code to work with symlink based
3244 * extend.texi: Clarify some issues related to local variables
3245 assigned to explicit registers.
3247 * mn10300.md (mulsi): Turn into expander + pattern.
3249 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
3252 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
3254 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
3256 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
3258 * version.c: Bump again to distinguish mainline tree from the
3261 See ChangeLog.0 for earlier changes.
3264 add-log-time-format: current-time-string