1 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
3 * invoke.texi (-ffloat-store): Clarify that this option
4 does not affect intermediate results -- only variables.
6 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
8 * cpp.texi: Update for Fortran usage from Craig.
10 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
12 * rs6000.c (function_arg_boundary): Revert accidental change on
15 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
17 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
18 (output_mi_thunk): Declare.
20 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
21 (output_function_profiler): Use r12 for temp, instead of r11 so
22 that we preserve the static chain register.
24 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
26 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
28 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
30 * sh.c (gen_shl_sext): Fix case 5.
32 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
34 * reload1.c (reload_combine): Re-add line that got accidentally lost.
36 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
38 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
39 accessing variables until they are initialized via va_arg().
41 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
43 * reload1.c (reload_combine): Initialize set before using.
45 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
47 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
50 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
52 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
53 operand3 with mask before using it. Patch provided by Jim Wilson.
55 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
57 * config/sparc/sparc.c (function_value): Perform the equivalent of
58 PROMOTE_MODE for ARCH64.
59 (eligible_for_epilogue_delay): Allow DImode operations in delay
60 slot of a return for ARCH64.
62 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
64 * sh.md (sqrtsf2): Fix mode of sqrt.
66 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
68 * reload1.c (choose_reload_regs): Also try inheritance when
69 reload_in is a stack slot of a pseudo, even if we already got a
72 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
74 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
75 (reload_cse_regs): New function body: call reload_cse_regs_1,
76 reload_combine, reload_cse_move2add.
77 When doing expensive_optimizations, call reload_cse_regs_1 a
78 second time after reload_cse_move2add.
79 (reload_combine, reload_combine_note_store): New functions.
80 (reload_combine_note_use): New function.
81 (reload_cse_move2add, move2add_note_store): New functions.
83 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
85 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
86 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
88 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
89 more than 3 such reloads.
91 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
92 RELOAD_FOR_X_ADDR_ADDR reload.
94 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
96 * expr.c (store_constructor): When initializing a field that is smaller
97 than a word, at the start of a word, try to widen it to a full word.
99 * cse.c (cse_insn): When we are about to change a register,
100 remove any invalid references to it.
102 (remove_invalid_subreg_refs): New function.
103 (mention_regs): Special treatment for SUBREGs.
104 (insert_regs): Don't strip SUBREG for call to mention_regs.
105 Check if reg_tick needs to be bumped up before that call.
106 (lookup_as_function): Try to match known word_mode constants when
107 looking for a norrower constant.
108 (canon_hash): Special treatment for SUBREGs.
110 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
112 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
113 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
114 defined, emit libcall to __enable_execute_stack. Also fix opcodes
115 and offsets in actual stack trampoline code so they match the
116 commentary and actually work.
118 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
120 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
122 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
123 tmake_file. Set extra_parts to needed crt objects.
124 * configure: Rebuilt.
125 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
126 (TARGET_DEFAULT): Set if default is v9 or ultra.
127 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
128 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
129 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
130 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
131 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
132 (TARGET_VERSION): Define.
133 (MULTILIB_DEFAULT): Define.
134 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
135 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
136 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
138 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
139 * config/sparc/sparc.c (sparc_override_options): If arch and
140 pointer size disagree, emit diagnostic and fix it up. If
141 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
142 V8PLUS in 64-bit mode.
143 * config/sparc/t-linux64: New file.
144 * config/sparc/t-sol2-64: New file.
145 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
146 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
147 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
148 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
149 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
150 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
152 (STARTFILE_SPEC): Set approriately based upon those.
153 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
154 disposition of DEFAULT_ARCH32_P.
155 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
156 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
157 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
158 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
159 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
161 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
163 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
165 * rtl.h (init_virtual_regs): New function.
166 * emit-rtl.c (init_virtual_regs): Define.
168 * integrate.c (save_for_inline_copying): Likewise.
170 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
172 * config/arm/thumb.h: The following patches were made by Jim Wilson:
173 (enum reg_class): Add NONARG_LO_REGS support.
174 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
175 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
176 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
177 completes. Re-enable HImode REG+OFFSET addresses.
178 (LEGITIMIZE_RELOAD_ADDRESS): Define.
180 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
182 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
184 * alpha.c (get_aligned_mem): Revert Sep 20 change.
185 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
186 (alpha_align_insns): Properly calculate initial offset wrt max_align.
188 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
190 * arm.c (find_barrier): Revert change of Apr 23. Handle table
191 jumps as a single entity, taking into account the size of the
194 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
196 * tree.def (SWITCH_EXPR): New tree node definition.
198 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
200 * version.c: Bump for snapshot.
202 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
204 * version.c: Bump for snapshot.
206 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
208 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
211 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
214 * reload.c (find_reloads): Do not replace a pseudo with
215 (MEM (reg_equiv_addr)) in the initializing insn for the
218 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
220 * final.c (final_scan_insn): Disable tracking CC across branches.
222 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
224 * expr.h (eh_rtime_match_libfunc): New extern declaration.
225 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
226 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
227 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
228 NULL. Only include <stdio.h> if inhibit_libc is not defined.
230 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
232 * toplev.c (rest_of_compilation): Skip compiling anything with
233 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
235 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
237 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
238 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
239 use in_libcall_block.
240 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
241 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
244 Mon Sep 21 14:02:23 1998
246 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
247 typo in no-fancy-math-387 description.
249 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
251 * version.c: Bump for snapshot.
253 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
255 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
257 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
259 * i386.h: (TARGET_SWITCHES) Add description fields for flags
260 documented in install.texi.
261 (TARGET_OPTIONS) Likewise.
263 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
265 * version.c: Bump for snapshot.
267 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
269 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
270 * cccp.c (main): Likewise.
272 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
273 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
276 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
278 * Makefile.in (LIBS): Link in libiberty.a.
279 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
281 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
283 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
284 it to update bb boundaries. Update caller.
285 * function.c (reposition_prologue_and_epilogue_notes): Update
286 bb boundaries wrt the moved note.
288 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
290 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
292 * configure: Regenerate.
294 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
296 * alpha.c (alpha_sr_alias_set): New variable.
297 (override_options): Set it.
298 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
299 (mode_mask_operand): Fix signed-unsigned comparision warning.
300 (alpha_expand_block_move): Likewise.
301 (print_operand): Likewise.
302 (get_aligned_mem): Use change_address.
303 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
304 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
305 (alphaev4_next_nop, alphaev5_next_nop): New functions.
306 (alpha_align_insns): Remade from old alphaev5_align_insns
307 to handle multiple processors.
308 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
309 * output.h (label_to_alignment): Prototype.
311 * tree.c (new_alias_set): New function.
312 * tree.h (new_alias_set): Declare it.
313 * c-common.c (c_get_alias_set): Use it.
315 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
317 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
318 to an ABS expr, convert an unsigned input to signed.
320 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
322 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
324 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
326 * configure.in: Add support for c4x targets.
327 * configure: Rebuilt.
329 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
331 * combine.c (distribute_notes): If an insn is a cc0 user, only
332 delete it if we can also delete the cc0 setter.
334 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
336 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
337 (invert_truthvalue): Enable truthvalue inversion for
338 floating-point operands if -ffast-math.
340 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
342 * configure.in: Disable collect2 for nextstep. Instead use
344 * configure: Rebuilt.
345 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
346 (ENDFILE_SPEC): Define.
347 (OBJECT_FORMAT_MACHO): Define.
348 (EH_FRAME_SECTION_ASM_OP): Define.
349 * crtstuff.c: Handle MACHO.
351 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
353 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
355 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
357 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
358 (_fpadd_parts): Get sign right for 0.
360 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
362 * ginclude/varargs.h: Add support for C4x target.
363 * ginclude/stdargs.h: Likewise.
365 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
367 * alpha.c (alpha_return_addr): SET should be VOIDmode.
368 (alpha_emit_set_long_const): Rewrite to be callable from reload
370 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
371 * alpha.md (movdi): Likewise.
373 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
375 * arm.c (add_constant): New parameter address_only, change caller.
376 Set it non-zero if taking the address of an item in the pool.
377 (arm_reorg): Handle cases where we need the address of an item in
380 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
382 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
383 memory addresses that are not in standard canonical form.
385 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
387 * README.C4X: New file with information about the c4x ports.
388 * ginclude/va-c4x.h: New file for c4x varargs support.
389 * config/c4x: New directory with c4x port files.
391 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
393 * reload.c (find_reloads): Do not replace a pseudo with
394 (MEM (reg_equiv_addr)) in the initializing insn for the
397 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
399 * toplev.c (rest_of_compilation): Set bct_p on second call to
401 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
403 (strength_reduce): Only call analyze_loop_iterations and
404 insert_bct if bct_p set.
405 (check_dbra_loop): Fix typo.
406 (insert_bct): Use word_mode instead of SImode.
407 (instrument_loop_bct): Likewise. Do not delete iteration count
408 condition code generation insn. Initialize iteration count before
410 * rtl.h (loop_optimize): Update prototype.
412 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
413 not doubleword aligned.
415 * rs6000.c (optimization_options): New function.
416 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
417 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
418 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
419 first; cr1 can be used for FP record condition insns.
421 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
423 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
426 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
429 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
431 (block_move_call): New function: Call a library routine to copy a
433 (m32r_expand_block_move): New function: Expand a "movstrsi"
434 pattern into a sequence of insns.
435 (m32r_output_block_move): New function: Expand a
436 "movstrsi_internal" pattern into a sequence of assembler opcodes.
437 (m32r_block_immediate_operand): New function: Return true if the
438 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
440 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
442 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
444 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
446 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
448 * regmove.c (copy_src_to_dest): Check that modes match.
450 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
452 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
454 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
456 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
457 narrower than FLOAT_REGS.
459 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
461 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
463 * Makefile.in (old_gxx_include_dir): removed
465 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
467 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
470 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
471 (sh_handle_pragma): Change function arguments to match new
472 specification for HANDLE_PRAGMA.
474 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
476 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
478 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
479 When generating output, initialize missing struct member to zero.
481 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
483 * regmove.c (copy_src_to_dest): Don't copy if that requires
486 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
488 * global.c (reg_allocno): Now static.
489 * reload1.c (reg_allocno): Delete declaration.
490 (order_regs_for_reload): Take no arguments. Don't treat regs
491 allocated by global differently than those allocated by local-alloc.
493 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
495 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
496 condition, fix format strings.
497 (output_function_epilogue): Likewise.
499 * m68k/m68k.c: Don't include <stdlib.h> directly.
501 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
503 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
504 mem_first_set, mem_last_set; because 0 can be a CUID.
505 (oprs_unchanged_p): Use new definition.
506 (record_last_reg_set_info): Likewise.
507 (record_last_mem_set_info): Likewise.
508 (compute_hash_table): Likewise.
510 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
512 * rs6000.c (output_epilogue): Handle Chill.
514 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
515 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
517 * combine.c (make_extraction): If no mode is specified for
518 an operand of insv, extv, or extzv, default it to word_mode.
519 (simplify_comparison): Similarly.
520 * expmed.c (store_bit_field): Similarly.
521 (extract_bit_field): Similarly.
522 * function.c (fixup_var_regs_1): Similarly.
523 * recog.c (validate_replace_rtx_1): Similarly.
524 * mips.md (extv, extzv, insv expanders): Default modes for most
525 operands. Handle TARGET_64BIT.
526 (movdi_uld, movdi_usd): New patterns.
528 * pa.c (emit_move_sequence): Do not replace a pseudo with its
529 equivalent memory location unless we have been provided a scratch
530 register. Similarly do not call find_replacement unless a
531 scratch register has been provided.
533 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
535 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
538 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
540 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
541 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
542 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
543 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
544 * c-decl.c (init_decl_processing): Update accordingly.
545 * expr.c (expand_builtin): Likewise.
547 * rtl.h (global_rtl): Add cfa entry.
548 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
549 (LAST_VIRTUAL_REGISTER): Update.
550 * emit-rtl.c (global_rtl): Add cfa entry.
551 (init_emit): Initialize it.
552 * function.c (cfa_offset): New.
553 (instantiate_virtual_regs): Initialize it.
554 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
555 (expand_function_end): Call expand_eh_return.
556 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
558 * except.c (current_function_eh_stub_label): Kill.
559 (current_function_eh_old_stub_label): Likwise; update all references.
560 (expand_builtin_set_return_addr_reg): Kill.
561 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
562 (expand_builtin_set_eh_regs): Kill.
563 (eh_regs): Produce a third reg for the actual handler address.
564 (eh_return_context, eh_return_stack_adjust): New.
565 (eh_return_handler, eh_return_stub_label): New.
566 (init_eh_for_function): Initialize them.
567 (expand_builtin_eh_return, expand_eh_return): New.
568 * except.h: Update prototypes.
569 * flow.c (find_basic_blocks_1): Update references to the stub label.
570 * function.h (struct function): Kill stub label elements.
572 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
573 register number is one that would be in the previous window.
574 Provide a dummy definition for non-windowed targets.
575 (get_reg_addr): New function.
576 (get_reg, put_reg, copy_reg): Use it.
577 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
578 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
580 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
581 (alpha_init_expanders): Initialize it.
582 (alpha_expand_epilogue): Use it.
583 * alpha.h: Declare it.
584 * alpha.md (eh_epilogue): New.
586 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
587 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
589 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
591 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
594 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
596 * except.h (struct eh_entry): Add false_label field.
597 (end_catch_handler): Add prototype.
598 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
599 (start_catch_handler): When using old style exceptions, issue
600 runtime typematch code before continuing with the handler.
601 (end_catch_handler): New function, generates label after handler
602 if needed by older style exceptions.
603 (expand_start_all_catch): No need to check for new style exceptions.
604 (output_exception_table_entry): Only output the first handler label
605 for old style exceptions.
606 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
607 mechanism into one function, if a runtime matcher is provided.
609 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
611 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
613 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
615 * integrate.c (copy_decl_list): Fix typo.
617 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
619 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
622 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
624 * version.c: Bump for snapshot.
626 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
628 * version.c: Bump for snapshot.
630 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
632 * version.c: Bump for snapshot.
634 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
636 * invoke.texi (C Dialect Options): Put back missing @end itemize.
638 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
640 * configure.in: remove usage of `!' to negate the result of a
641 command; some common shells do not support it
643 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
645 * configure.in: in sparc9-sol2 config, use 'if test' not
647 * configure: Rebuilt.
649 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
651 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
652 (CPP_CPU_DEFAULT_SPEC): Likewise.
653 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
656 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
659 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
661 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
663 * collect2.c: Don't declare `sys_siglist' here.
664 (my_strsignal): Prototype and define new function. Use it in
665 place of `sys_siglist' hacks.
667 * mips_tfile.c: Likewise.
669 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
670 (GCC_NEED_DECLARATIONS): Likewise.
672 * system.h (strsignal): Prototype it, if necessary.
673 (sys_siglist): Declare it, if necessary.
675 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
677 * loop.c (move_movables): While removing insn sequences, preserve
678 the next pointer of the most recently deleted insn when we skip
681 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
683 * objc/config-lang.in: Do not output the name of the selected
684 thread file when building the front-end. The Makefile for the
685 runtime library will do this.
687 * objc/Make-lang.in: Do not build the runtime library or install
688 the Objective C header files. The Makefile for the runtime
689 library will do this.
691 * objc/Makefile.in (all.indirect): Only build the front-end.
692 (compiler): Rename to `frontend'.
693 (obj-runtime): Remove target.
694 (copy-headers): Likewise.
695 (clean): No need to remove `libobjc.a' any longer.
697 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
699 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
700 supported with -mcpu=xxx.
702 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
704 * flow.c (mark_set_1): Recognize multi-register structure return
705 values in CALL insns.
706 (mark_used_regs): Likewise.
707 (count_reg_sets_1): Likewise.
708 (count_reg_references): Likewise.
709 * rtlanal.c (note_stores): Likewise.
710 (reg_overlap_mentioned_p): Likewise.
711 * haifa-sched.c (check_live_1): Likewise.
712 (update_live_1): Likewise.
713 (sched_analyze_1): Likewise.
714 (sched_note_set): Likewise.
715 (birthing_insn_p): Likewise.
716 (attach_deaths): Likewise.
718 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
721 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
723 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
725 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
727 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
729 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
731 * configure.in: Add check for GAS subsection -1 support.
732 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
733 * configure config.in: Rebuilt.
734 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
735 SImode is subsection -1 works, else use DImode.
736 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
738 * config/sparc/sparc.c (sparc_output_addr_vec,
739 sparc_output_addr_diff_vec): Use them if defined.
741 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
743 * tree.h (DECL_ORIGIN): New macro.
744 * integrate.c (copy_and_set_decl_abstract_origin): New function.
745 (copy_decl_list): Use it.
746 (integrate_parm_decls): Likewise.
747 (integrate_decl_tree): Likewise.
748 * dwarf2out.c (decl_ultimate_origin): Simplify.
749 * dwarfout.c (decl_ultimate_origin): Likewise.
750 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
751 (pushdecl): Likewise.
753 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
755 * config/rs6000/rs6000.c (output_epilog): Add Java support.
757 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
759 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
761 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
763 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
764 empty or has a single entry.
766 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
767 before calling reg_to_stack.
769 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
771 * alpha.c (alphaev5_insn_pipe): Abort on default case.
772 (alphaev5_next_group): Swallow CLOBBERs and USEs.
774 * c-tree.h (warn_long_long): Declare it.
776 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
778 * emit-rtl.c (gen_lowpart_common): Disable optimization of
779 initialized float-int union if the value is a NaN.
781 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
783 * c-lex.c (real_yylex): Don't warn about long long constants if
784 we're allowing long long
786 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
788 * except.h (current_function_eh_stub_label): Declare.
789 (current_function_eh_old_stub_label): Declare.
790 * function.h (struct function): New members eh_stub_label and
792 * except.c (current_function_eh_stub_label): New variable.
793 (current_function_eh_old_stub_label): New variable.
794 (init_eh_for_function): Clear them.
795 (save_eh_status): Save them.
796 (restore_eh_status): Restore them.
797 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
798 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
799 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
800 make an edge from the block that contains it to the block starting
801 with the label if this label is one of the eh stub labels.
802 If eh stub labels exist, show they are reachable from the last block
805 * reload1.c (reload): Break out several subroutines and make some
807 (calculate_needs_all_insns): New function, broken out of reload.
808 (calculate_needs): Likewise.
809 (find_reload_regs): Likewise.
810 (find_group): Likewise.
811 (find_tworeg_group): Likewise.
812 (something_needs_reloads): New global variable, formerly in reload.
813 (something_needs_elimination): Likewise.
814 (caller_save_spill_class): Likewise.
815 (caller_save_group_size): Likewise.
816 (max_needs): Likewise.
817 (group_size): Likewise.
818 (max_groups): Likewise.
819 (max_nongroups): Likewise.
820 (group_mode): Likewise.
821 (max_needs_insn): Likewise.
822 (max_groups_insn): Likewise.
823 (max_nongroups_insn): Likewise.
826 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
828 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
830 * loop.c (load_mems): Copy rtx for output mem.
832 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
834 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
835 mips1 or mips2 either.
837 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
839 * pa.c (pa_reorg): New marking scheme for jumps inside switch
841 (pa_adjust_insn_length): Update to work with new marking scheme
842 for jumps inside switch tables.
843 * pa.md (switch_jump): Remove pattern.
844 (jump): Handle jumps inside jump tables.
846 * Makefile.in (profile.o): Depend on insn-config.h
848 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
850 * iris6.h (DWARF2_UNWIND_INFO): Undef.
852 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
854 Add preliminary native sparcv9 Solaris support.
855 * configure.in: Recognize sparv9-*-solaris2*
857 * config.sub: Recognize sparcv9 just like sparc64.
858 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
859 config/sparc/sol2-cn.asm: Macroize so it can be shared between
860 32-bit and 64-bit Solaris systems.
861 * config/sparc/t-sol2: Assemble those with cpp.
862 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
863 (*TF*_LIBCALL): If ARCH64 use V9 names.
864 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
866 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
868 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
869 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
871 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
873 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
874 to Pmode if CASE_VECTOR_MODE is something else.
876 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
878 * prefix.c (update_path): Correctly handle cases where PATH is
879 a substring of the builtin prefix, but specifies a different
882 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
884 * expr.c: Corrected comment about what MOVE_RATIO does.
885 * config/alpha/alpha.h: Ditto.
886 * config/1750a/1750a.h: Ditto.
887 * config/clipper/clipper.h: Ditto.
888 * config/i386/i386.h: Ditto.
890 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
892 * configure.in (m68k-next-nextstep3*): Use collect2.
893 Similarly for x86 NeXT configurations.
894 * configure: Rebuilt.
896 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
898 * configure.in: Don't assume srcdir is .../gcc
899 * configure: Rebuilt.
901 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
903 * global.c: Update comments.
904 (global_alloc): Assign allocation-numbers
905 even for registers allocated by local_alloc in case
906 they are later spilled and retry_global_alloc is called.
907 (mark_reg_store, mark_reg_clobber,
908 mark_reg_conflicts, mark_reg_death): Always record a
909 conflict with a pseudo register even if it has been
910 assigned to a hard register.
911 (dump_conflicts): Don't list pseudo registers already assigned to
912 a hard register as needing to be allocated, but do list their
914 * local-alloc.c: Update comment.
916 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
918 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
919 * configure: Rebuilt.
921 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
923 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
925 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
926 for all targets that set -msoft-float.
928 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
930 * toplev.c (print_switch_values): Make static to match prototype.
932 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
934 * configure.in: If we are unable to find the "gnatbind" program,
935 then do not configure the ada subdir.
936 * configure: Rebuilt.
938 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
940 * version.c: Bump for snapshot.
942 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
944 * version.c: Bump for snapshot.
946 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
948 * Makefile.in (toplev.o): Depend on $(EXPR_H).
949 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
951 * gansidecl.h: Define ATTRIBUTE_NORETURN.
953 * genattrtab.c: Have insn-attrtab.c include toplev.h.
955 * genextract.c: Have insn-extract.c include toplev.h.
957 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
959 * toplev.c: Include expr.h.
960 (really_sorry, fancy_abort): Remove prototypes.
961 (set_target_switch): Add argument in prototype.
962 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
963 (v_really_sorry): Likewise.
964 (print_version, print_single_switch, print_switch_values): Make
965 static and add prototype arguments.
966 (decl_printable_name): Add prototype arguments.
967 (lang_expand_expr_t): New typedef.
968 (lang_expand_expr): Declare as a lang_expand_expr_t.
969 (incomplete_decl_finalize_hook): Add prototype argument.
970 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
971 (botch): Likewise for variable `s'.
972 (rest_of_type_compilation): Mark variables `type' and `toplev'
973 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
974 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
975 (display_help): Make variable `i' an `unsigned long'.
976 (main): Remove unused parameter `envp'.
977 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
978 Cast -1 when comparing it with a `size_t'.
980 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
981 prototype with ATTRIBUTE_NORETURN.
982 (fatal_insn_not_found, fatal_insn, really_sorry,
983 push_float_handler, pop_float_handler): Add prototypes.
984 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
985 (do_abort, botch): Add prototypes.
987 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
989 * final.c (final): If a label is reached only from a single jump,
990 call NOTICE_UPDATE_CC on the jump and its predecessor before
991 emitting the insn after the label.
993 * i386.h: Add AMD K6 support.
994 Change TARGET_* macros to use table lookup.
995 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
996 (ADJUST_COST): Change definition to call function in i386.c.
997 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
998 * i386.c: Add AMD K6 support.
999 Add constants for feature tests used by TARGET_* macros.
1000 (split_di): If before reload, call gen_lowpart and gen_highpart.
1001 (x86_adjust_cost): New function.
1002 (put_jump_code): New function.
1003 (print_operand): New codes 'D' and 'd'.
1004 * i386.md: New insn types. New insn attribute "memory".
1005 Redefine scheduling parameters to use new types and add AMD K6
1006 support. Explicitly set type of most insns.
1007 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
1008 Pro and K6 prefer movl $1,reg to incl reg.
1009 (adddi3, subdi3): Set cc_status.
1010 (DImode shift patterns): Change label counters from HOST_WIDE_INT
1011 to int; x86 can't have more than 2^31 DImode shifts per file.
1012 (setcc): Combine all setcc patterns. Allow writing memory.
1013 Combine all jump patterns using match_operator.
1014 (*bzero): Name pattern. Emit mutliple stos instructions when that
1015 is faster than rep stos.
1016 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
1019 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
1021 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
1024 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
1026 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
1027 not whatever we're generating now.
1029 * alpha.c (set_frame_related_p, FRP): New.
1030 (alpha_expand_prologue): Mark frame related insns.
1031 (alpha_expand_epilogue): Likewise, but with a null FRP.
1032 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
1033 * alpha.md (exception_receiver): New.
1034 * alpha/crtbegin.asm (.eh_frame): New beginning.
1035 (__do_frame_setup, __do_frame_takedown): New.
1036 * alpha/crtend.asm (.eh_frame): New ending.
1037 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
1038 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
1039 (ASM_FILE_START): Don't emit .file for dwarf2.
1041 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
1042 * rtl.c (reg_note_name): Likewise.
1043 * rtl.texi (REG_NOTES): Likewise.
1044 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
1047 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
1049 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
1050 * i386.md (movsf, movdf, movxf): Validate memory address returned
1051 from force_const_mem. Kill useless REG_EQUAL setting code.
1053 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
1055 * m68k.md (zero_extendsidi2): Fix typo.
1057 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
1059 * configure.in: Removed references to the removed file
1060 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
1061 * arm*-*-netbsd* and ns32k-*-netbsd*.
1062 * config/i386/xm-netbsd.h: Removed unnecessary file.
1063 * config/m68k/xm-netbsd.h: Likewise.
1064 * config/sparc/xm-netbsd.h: Likewise.
1065 * config/mips/xm-netbsd.h: Likewise.
1067 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
1069 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
1070 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
1072 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
1073 for exact section attributions.
1075 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
1077 * i386/crtdll.h (CPP_PREDEFINES): Define.
1079 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
1081 * m68k.md (5200 movqi): Do not allow byte sized memory references
1083 * m68k.c (output_move_qimode): Do not use byte sized operations on
1086 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
1087 explicit rules for building. Similarly for alloca, vfprintf,
1088 choose-temp and mkstemp, getopt, getopt1, and obstack.
1089 (INCLUDES): Add $(srcdir)/../include.
1090 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
1091 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
1093 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
1095 * gcc.c (do_spec_1): [case 'o'] Account for
1096 lang_specific_extra_outfiles.
1097 (main): Correctly clear all slots in outfiles for
1098 lang_specific_extra_outfiles. Set input_file_number before
1099 calling lang_specific_pre_link.
1101 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
1103 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
1105 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1107 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
1109 (sparc_output_deferred_case_vectors): If no work to do, return.
1110 Fix thinko in Sept 1 change.
1112 1998-09-03 SL Baur <steve@altair.xemacs.org>
1114 * Makefile.in: add semicolon in BISON definition for portability.
1116 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
1118 * config/nextstep.c (handle_pragma): Correct name of third
1121 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
1123 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
1124 * config/m32r/m32r.h: Make register 17 be fixed.
1125 * config/m32r/m32r.c: Use SImode for cc operations.
1127 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
1129 * invoke.texi (Warning Options): Add -Wnon-template-friend
1132 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
1134 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
1136 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
1138 * rs6000.md (movsf): Disable explicit secondary-reload-like
1139 functionality if TARGET_POWERPC64.
1140 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
1143 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
1145 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
1146 and term.h from fixinc.wrap.
1148 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1150 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
1151 safe to include both string.h and strings.h together.
1152 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
1153 which headers to search for function declarations. Continue to
1154 prefer string.h over strings.h when both are not acceptable.
1156 * acconfig.h (STRING_WITH_STRINGS): Add stub.
1158 * configure.in: Call GCC_HEADER_STRING.
1160 * system.h: Test STRING_WITH_STRINGS when deciding which headers
1161 to include. Continue to prefer string.h over strings.h when both
1164 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1166 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
1167 not assume top 32-bits of symbolic addresses are zero if
1170 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
1172 * ginclude/va-alpha.h: Protect entire second portion of the
1173 file against double inclusion.
1175 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
1177 Added support for the Boehm's garbage collector.
1178 * configure.in: Handle --enable-objc-gc.
1179 * configure: Rebuilt.
1180 * Makefile.in (CHECK_TARGETS): Add check-objc.
1181 (check-objc): New rule.
1182 * objc/Make-lang.in: Build a different Objective-C library that
1183 runs with the Boehm's collector.
1184 * objc/encoding.c (objc_round_acc_size_for_types): New function.
1185 * objc/encoding.c: Correctly compute the size of compound types in
1186 the presence of bitfields. Skip the variable name of the type if
1187 any. Added support for long long.
1188 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
1189 (_F_GCINVISIBLE): New mask.
1190 * objc/gc.c: New file. Compute the type memory mask associated with
1191 a class based on the runtime information.
1192 * objc/misc.c: Added the hooks that use the Boehm's collector
1193 allocation functions.
1194 * objc/objc-act.c (build_class_template): Generate a new class
1195 member (gc_object_type) to hold the class' type memory mask.
1196 (build_shared_structure_initializer): Initialize the new member to
1198 (encode_complete_bitfield): New function. Generate the new
1200 (encode_field_decl): Generate the new encoding only for the GNU
1202 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
1204 (class_get_gc_object_type): New function to mark a pointer instance
1205 variable as a weak pointer.
1206 * objc/objc-features.texi: New file.
1207 * objc/objc.h (gc_object_type): New class member.
1208 * objc/objects.c (class_create_instance): Create a typed memory
1209 object when compiled with Boehm's collector support.
1210 * objc/sendmsg.c (__objc_init_install_dtable): Call
1211 __objc_send_initialize instead of setting the initialize flag.
1212 (__objc_send_initialize): Call __objc_generate_gc_type_description
1213 to generate the class type memory mask. Rewrite the code that
1214 sends the +initialize so that it is called only once (bug report
1215 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
1216 * testsuite/objc: New testsuite for Objective-C type encoding.
1217 * testsuite/lib/objc-torture.exp: New file.
1218 * testsuite/lib/objc.exp: New file.
1220 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
1222 * jump.c (jump_optimize): In if/then/else transformations, add
1223 another call to modified_between_p for the jump insn.
1225 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
1227 * fix-header.c (symlink): Treat like readlink.
1229 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1231 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
1234 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
1236 * config/nextstep.h: Update HANDLE_PRAGMA macro.
1237 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
1238 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
1240 * config/nextstep.c (handle_pragma): Take three arguments, as per
1241 the new HANDLE_PRAGMA macro specification.
1242 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
1243 per the new HANDLE_PRAGMA macro specification.
1244 * config/i960/i960.c (process_pragma): Take three arguments, as
1245 per the new HANDLE_PRAGMA macro specification.
1247 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
1249 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
1250 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
1251 if unknown pragmas are encountered.
1252 (handle_sysv_pragma): Interpret return code from
1253 handle_pragma_token (). Return success/failure indication rather
1254 than next unprocessed character.
1255 (pragma_getc): New function: retrieves characters from the
1256 input stream. Defined when HANDLE_PRAGMA is enabled.
1257 (pragma_ungetc): New function: replaces characters back into the
1258 input stream. Defined when HANDLE_PRAGMA is enabled.
1260 * c-pragma.c (handle_pragma_token): Return success/failure status
1263 * c-pragma.h: Change prototype of handle_pragma_token().
1265 * varasm.c: (handle_pragma_weak): Only create this function if
1266 HANDLE_PRAGMA_WEAK is defined.
1268 * c-common,c (decl_attributes): If defined call the expression
1269 contained within the INSERT_ATTRIBUTES macro before adding
1270 attributes to a decl.
1272 * tm.texi (HANDLE_PRAGMA): Document the new verion of
1273 HANDLE_PRAGMA, which takes three arguments.
1274 (INSERT_ATTRIBUTES): Document this new macro.
1276 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
1277 new INSERT_ATTRIBUTES macro.
1279 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1281 * config/sparc/sparc.md (movdf): Only generate special RTL for
1282 LABEL_REFs when PIC.
1283 (move_label_di): Remove
1284 (movdi_pic_label_ref, movdi_high_pic_label_ref,
1285 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
1286 references when PIC.
1287 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
1288 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
1289 output an .xword for all 64-bit cases.
1291 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1293 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
1294 alignment, use FUNCTION_BOUNDARY instead.
1295 (sparc_output_deferred_case_vectors): Likewise.
1297 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1299 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
1300 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
1302 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
1304 * alpha/va_list.h: New file.
1305 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
1307 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
1309 * NEWS: Add SCO Openserver and Unixware 7 notes.
1313 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
1315 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
1316 (record_constant_1): Handle RANGE_EXPR.
1318 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
1320 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
1321 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
1322 and NOTE_INSN_RANGE_END specially.
1323 (reemit_notes): Likewise.
1325 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1327 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
1328 (ultrasparc_sched_init): Remove unneeded &.
1330 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1332 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
1333 for m68020-60, to prevent the use of fintrz.
1335 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
1337 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
1339 * Makefile.in: Likewise.
1340 * configure: Regenerated.
1342 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
1344 * configure.in (gxx_include_dir): Changed to
1345 '${prefix}/include/g++'-${libstdcxx_interface}.
1346 * configure: Rebuilt.
1348 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
1350 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
1352 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
1353 *sequences* *below* which scalar moves will be used.
1355 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
1357 * collect2.c (mktemp): Delete unused declaration.
1359 * config/xm-netbsd.h: Remove unnecessary file.
1360 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
1361 file anymore, it is not needed.
1363 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
1365 * convert.c (convert_to_integer): Issue an error on conversions to
1368 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
1370 * Makefile.in: Add lang_tree_files and gencheck.h.
1371 * configure.in: Generate them.
1372 * gencheck.c: Include gencheck.h.
1374 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1376 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
1377 movdi_lo_sum_pic and movdi_high_pic and make visible.
1378 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
1379 emit these when Pmode is not SImode.
1380 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
1382 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
1384 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
1385 .linkonce directive after the first time.
1387 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
1389 * m68k.md (beq0_di): Generate correct (and more efficient) code when
1390 the clobbered operand overlaps with an input.
1391 (bne0_di): Similarly.
1393 * Makefile.in (INSTALL): Remove "--no-header" argument.
1395 * NEWS: Various updates.
1397 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1399 * config/sparc/sparc.c (arith_operand, const64_operand,
1400 const64_high_operand, arith_double_4096_operand): Mark mode as
1402 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
1404 (sparc_emit_set_const64): Remove unused variable i.
1405 (sparc_splitdi_legitimate): Likewise for addr_part.
1406 (ultra_code_from_mask): Likewise for mask.
1407 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
1408 reverse return values so it matches usage and comments.
1409 (ultra_flush_pipeline): Likewise.
1410 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
1411 this_type, and allow loads and stores of differing FP modes as
1412 they do not create a conflict.
1413 (ultra_find_type): Initialize fpmode to SFmode, fix
1414 parenthesization thinkos in large conditional.
1415 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
1416 Init free_slot_mask after ultra_cur_hist is reset, not before.
1417 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
1418 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
1419 use ultra_flush_pipeline instead, then re-init group pointer.
1420 Fix statement with no effect. If no progress made in, and no
1421 instructions scheduled at all, advance to new pipeline cycle else
1422 we get into an endless loop.
1423 (ultrasparc_adjust_cost): Remove previous arg.
1424 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
1426 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
1428 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
1429 code. Use reg_overlap_mentioned_p to detect when source and
1430 destination overlap.
1431 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
1433 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
1435 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
1436 COMPARISON_VAL, into invariant_p.
1438 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1440 * regmove.c (regclass_compatible_p): New function.
1441 (regmove_optimize): Use it.
1443 Use NREGS parameter insted of calling max_reg_num.
1445 (fixup_match_1): Don't use code = MINUS when later tieing with
1446 a hard register is likely.
1448 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1450 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
1451 COMPARISON_VAL was normalized.
1453 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
1455 * loop.c (check_dbra_loop): The loop ending comparison value
1456 must be an invariant or we can not reverse the loop.
1458 * loop.c (scan_loop): Count down from max_reg_num - 1 to
1459 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
1461 (load_mems_and_recount_loop_regs_set): Likewise.
1463 * i386.c (print_operand): Remove obsolete 'c' docs.
1465 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
1467 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
1468 * frame.c (init_object_mutex): New function.
1469 (init_object_mutex_once): Likewise.
1470 (find_fde): Call it.
1471 (__register_frame_info): Likewise.
1472 (__register_frame_info_table): Likewise.
1473 (__deregister_frame_info): Likewise.
1475 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
1477 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
1479 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1481 * loop.c (check_dbra_loop): Enable code for reversal
1482 of some loops without a known constant loop end.
1484 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
1486 * haifa-sched.c (last_clock_var): New.
1487 (schedule_block): Initialize it.
1488 (schedule_insn): Use it to fill insn modes with issue information.
1490 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
1491 Tag trapb and next insn with TImode.
1492 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
1493 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
1494 Invoke alphaev5_align_insns as appropriate.
1495 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
1496 (MD_SCHED_VARIABLE_ISSUE): New.
1497 * alpha.md (attr type): Add multi.
1498 (define_asm_attributes): New.
1499 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
1500 (arg_home): Likewise.
1501 (fnop, unop, realign): New.
1503 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
1505 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
1506 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
1508 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
1509 (rs6000-ibm-aix4.[12]*): Likewise.
1510 * configure: Regnerate.
1512 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
1514 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
1515 already contains the return address.
1517 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
1519 * calls.c (expand_call): Use bitfield instructions to extract/deposit
1520 word sized hunks when loading unaligned args into registers.
1522 * haifa-sched.c (sched_analyze_insn): Only create scheduling
1523 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
1525 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
1527 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1529 * loop.c (check_dbra_loop): Add some code that would allow reversal
1530 of some loops without a known constant loop end if it were enabled.
1532 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
1534 * mips.md (lshrsi3_internal2+2): Fix type-o.
1536 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1538 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
1539 correctly with regards to stdio.h.
1541 * calls.c: Remove stdarg.h/varargs.h.
1544 * combine.c: Likewise.
1545 * cpperror.c: Likewise.
1546 * cpplib.c: Likewise.
1547 * cpplib.h: Likewise.
1548 * doprint.c: Likewise.
1549 * emit-rtl.c: Likewise.
1550 * final.c: Likewise.
1551 * fix-header.c: Likewise.
1553 * genattr.c: Likewise.
1554 * genattrtab.c: Likewise.
1555 * gencodes.c: Likewise.
1556 * genconfig.c: Likewise.
1557 * genemit.c: Likewise.
1558 * genextract.c: Likewise.
1559 * genflags.c: Likewise.
1560 * genopinit.c: Likewise.
1561 * genoutput.c: Likewise.
1562 * genpeep.c: Likewise.
1563 * genrecog.c: Likewise.
1564 * mips-tfile.c: Likewise.
1565 * prefix.c: Likewise.
1566 * protoize.c: Likewise.
1567 * regmove.c: Likewise.
1568 * toplev.c: Likewise.
1571 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1573 * config/sparc/sparc.c (sparc_override_options): If not
1574 TARGET_FPU, turn off TARGET_VIS.
1575 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
1576 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
1577 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
1578 (movdi_insn_sp64): Add VIS fzero alternative.
1579 (clear_sf, clear_df): New VIS patterns.
1580 (movsf, movdf expanders): Allow fp_zero_operand flat out when
1582 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
1584 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
1586 * loop.c (n_times_set, n_times_used, may_not_optimize,
1587 reg_single_usage): Convert to varrays. All uses changed.
1588 (insert_loop_mem): Return a value.
1589 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
1590 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
1593 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
1596 * configure.in: Do not set thread_file to "irix" since no such
1599 * sparc.md (float abs/neg splits): Check reload_completed before
1600 calling alter_subreg.
1602 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1604 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
1606 * config/sparc/sparc.h: Declare it.
1607 * config/sparc/sparc.md (float abs/neg splits): Use it.
1608 (all other splits): Handle SUBREGs properly where necessary.
1609 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
1611 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
1613 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
1614 an insn on the unfilled_slots_list that has no delay slots.
1615 (fill_eager_delay_slots): Similarly.
1617 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
1619 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
1620 as an ordinary operand.
1622 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
1624 * tree.c (valid_machine_attribute): Don't apply attributes to both
1627 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
1629 * reload.c (operands_match_p): Handle rtvecs.
1631 * i386.c (legitimate_pic_address_disp_p): New.
1632 (legitimate_address_p): Use it.
1633 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
1634 Handle constant pool symbols just like statics.
1635 (emit_pic_move): Use Pmode not SImode for clarity.
1636 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
1637 [UNSPEC]: New, handling what we killed above.
1638 [PLUS]: Detect and abort on invalid symbol arithmetic.
1639 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
1641 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
1643 * alias.c: Include output.h.
1644 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
1645 different if we're in a varargs function.
1646 * Makefile.in (alias.o): Depend on output.h
1648 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1650 * sh.h (GIV_SORT_CRITERION): Delete.
1652 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
1654 * regclass.c (regclass): Use xmalloc/free instead of alloca.
1655 * stupid.c (stupid_life_analysis): Ditto.
1656 * reload1.c (reload): Ditto.
1658 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1660 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
1661 arith_double_4096_operand, arith_double_add_operand): New
1663 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
1664 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
1665 them to transform add/sub 4096 into add/sub -4096.
1667 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1669 * loop.c (scan_loop): Allocate some slop to handle pseudos
1670 generated by move_movables.
1671 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
1674 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
1676 * tree.def (DECL_RESULT): Correct documentation.
1678 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1680 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
1681 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
1682 conflicts will all RELOAD_FOR_OUTPUT reloads.
1684 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
1685 loads the function result, substitute with a USE.
1687 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1689 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
1690 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
1691 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
1692 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
1693 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
1694 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
1696 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
1697 'o' to 'm' for GPR variant constraints.
1699 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
1701 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
1703 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
1705 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
1706 when the source and destination overlap.
1708 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
1709 clash with global type.
1711 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
1713 * fixinc.irix: Add curses.h handling from fixinc.wrap.
1715 * c-common.c (combine_strings): Also set TREE_READONLY.
1716 Change warn_write_strings to flag_const_strings.
1717 * c-decl.c, c-tree.h: Likewise.
1719 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1721 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
1722 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
1723 sequence, use SET/IOR instead so CSE can see it.
1724 * config/sparc/sparc.md (movhi_const64_special,
1725 movsi_const64_special): New patterns necessitated by that change.
1726 (movhi_high): Remove.
1727 (movhi_lo_sum): Change to match an IOR.
1728 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
1729 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
1730 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
1731 (movdf splits): Allow when not V9 or when not ARCH64 and integer
1732 registers are involved.
1733 (snesi_zero_extend split): Remove reload_completed test.
1734 (unnamed plus and minus zero_extend sidi splits): Add it.
1736 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
1738 * extend.texi: Remove description of extension to explicit
1739 instantiation that is now endorsed by standard C++.
1741 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1743 * config/arc/arc.c (arc_initialize_pic): Remove.
1744 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
1745 nothing on any platform and is invoked by no-one, it does not even
1746 appear in the documentation.
1747 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
1748 * config/sparc/sparc.c (initialize_pic): Likewise.
1749 (find_addr_reg): Remove this as well, no longer referenced after
1752 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
1754 * recog.c (validate_replace_rtx_group): New function.
1755 * recog.h (validate_replace_rtx_group): Declare it.
1756 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
1757 the entire group of substitutions.
1759 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
1761 * loop.c (load_mems): Fix initializers.
1763 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1765 * config/sparc/sparc.md (TFmode splits): Handle destination
1766 registers being referenced in the address correctly.
1768 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
1769 TREE_UNSIGNED, when bitsize of type's mode is larger than
1770 HOST_BITS_PER_WIDE_INT.
1772 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1774 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
1775 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
1776 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
1778 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
1781 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
1783 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
1784 * h8300.h (TINY_DATA_NAME_P): Likewise.
1785 (STRIP_NAME_ENCODING): Handle '&'.
1787 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
1788 register (it could be accessed via an outer SUBREG).
1789 (REG_OK_FOR_BASE_P): Likewwise.
1790 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
1792 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
1795 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
1797 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1799 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
1800 must be offsettable so the splits can be made.
1802 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
1804 * config/i386/winnt.c: Include system.h, not stdio.h to get
1805 sys/param.h pulled in before rtl.h in case the system defines MIN
1808 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
1810 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
1812 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
1814 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
1816 * cpplib.c (cpp_define): Handle macros with parameters.
1818 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1820 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
1821 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
1822 and DImode 64-bit. Use llong for minimal-toc SFmode and
1823 SYMBOL_REF / LABEL_REF 64-bit.
1824 (output_function_profiler): Use llong for profiler label and ld to
1825 load 64-bit label address.
1827 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
1829 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
1832 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
1834 * version.c: Bump for snapshot.
1836 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
1838 * version.c: Bump for snapshot.
1840 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
1842 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
1844 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
1846 * tm.texi (Misc): Fix typo "teh".
1848 * tm.texi (PIC): Fix typo "PPIC".
1850 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
1851 effect when -O2 and higher.
1852 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
1854 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
1856 * regclass.c: Changed register set documentation to be consistent
1859 * final.c (final_start_function) Removed redundant test for
1862 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
1864 * rtl.h (rtx_function): New type.
1865 (for_each_rtx): New function.
1866 * rtlanal.c (for_each_rtx): Define it.
1868 * recog.c (change_t): New type.
1869 (change_objects, change_old_codes, change_locs, change_olds):
1871 (changes): New variable.
1872 (validate_change): Dynamically allocate room for more changes, if
1873 necessary. Uses changes array instead of change_objects, etc.
1874 (apply_change_group): Use changes array instead of
1875 change_objects, etc.
1877 * loop.c (loop_mem_info): New type.
1878 (loop_mems): New variable.
1879 (loop_mems_idx): Likewise.
1880 (looop_mems_allocated): Likewise.
1881 (scan_loop): Remove nregs parameter.
1882 (next_insn_in_loop): New function.
1883 (load_mems_and_recount_loop_regs_set): Likewise.
1884 (load_mems): Likewise.
1885 (insert_loop_mem): Likewise.
1886 (replace_loop_mem): Likewise.
1887 (replace_label): Likewise.
1888 (INSN_IN_RANGE_P): New macro.
1889 (loop_optimize): Don't pass max_reg_num() to scan_loop.
1890 (scan_loop): Remove nregs parameter, compute it after any new
1891 registers are created by load_mems. Use INSN_IN_RANGE_P and
1892 next_insn_in_loop rather than expanding them inline. Call
1893 load_mems to load memory into pseudos, if appropriate.
1894 (prescan_loop): Figure out whether or not there are jumps from the
1895 loop to targets other than the label immediately following the
1896 loop. Call insert_loop_mem to notice all the MEMs used in the
1897 loop, if it could be safe to pull MEMs into REGs for the duration
1899 (strength_reduce): Use next_insn_in_loop. Tweak comments.
1901 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
1903 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
1905 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1907 * config/sparc/sparc.c (finalize_pic): Check for the correct
1908 nonlocal_goto_receiver UNSPEC number.
1909 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
1910 making note of this dependency existing in sparc.c
1911 (negtf2_notv9 split): Give NEG SFmode.
1912 (negsf2): Fix insn output string.
1914 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
1916 * c-common.c (decl_attributes): Issue an error if the argument
1917 to alias is not a string.
1919 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
1921 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
1922 pending memory flush list.
1924 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
1926 (try_combine): Allow combining insns with REG_LIBCALL notes.
1928 * expr.c (emit_block_move): Do not call memcpy as a libcall
1929 instead build up a CALL_EXPR and call it like any other
1931 (clear_storage): Similarly for memset.
1933 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
1936 * Makefile.in (cplus-dem.o): Provide explicit rules for building
1939 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
1940 and REG_LIVE_LENGTH as successful substitutions are made.
1942 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1944 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
1945 statement after end of loop label.
1947 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1949 * config/sparc/sparc.c (ultra_types_avail): New variable.
1950 (ultra_build_types_avail): New function to record mask of insn
1951 types in ready list at this cycle.
1952 (ultrasparc_sched_reorder): Call it.
1953 (ultra_find_type): Use it to quicken the search. Also simplif
1954 dependency check, don't use rtx_equal_p because we know exactly
1955 what we are looking for.
1957 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
1959 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
1960 for architecture v4.
1962 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1964 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
1966 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
1967 movdf_const_intreg and helper splits): New patterns to move float
1968 constants into integer registers.
1969 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
1972 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
1975 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
1977 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
1979 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
1980 a BASE_REGS register is needed as an intermediate when copying
1981 a symbolic value into any register class other than BASE_REGS.
1983 * expr.c (move_by_pieces): No longer static. Remove prototype.
1984 * rtl.h (move_by_pieces): Add extern prototype.
1985 * mips.c (expand_block_move): Handle aligned straight line copy by
1986 calling move_by_pieces.
1988 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
1991 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
1993 * stmt.c (expand_end_loop): Tidy. Allow unconditional
1994 jumps out of the loop to be treated as part of the exit test.
1996 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1997 Jeff Law <law@cygnus.com>
1999 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
2000 * cplus-dem.c: Delete.
2002 * Makefile.in (fold-const.o): depend on $(RTL_H).
2004 * fold-const.c: Include rtl.h to get the prototype for
2005 `set_identifier_local_value'.
2007 * loop.c (express_from_1): Remove unused variable `tmp'.
2008 (combine_givs): cast the first argument of bzero to char *.
2010 * toplev.c (display_help): Remove unused variable `looking_for_start'.
2012 * c-decl.c (init_decl_processing): Remove unneeded &.
2014 * alpha.h (alpha_initialize_trampoline): Provide prototype.
2016 * except.c (set_exception_lang_code, set_exception_version_code):
2017 Change parameter from `short' to `int' to avoid using a gcc
2020 * except.h (set_exception_lang_code, set_exception_version_code):
2021 Likewise for prototypes.
2023 * flow.c (count_reg_references): Remove unused variables `regno'
2026 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
2028 * prefix.c (translate_name): Cast the result of `alloca'.
2030 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
2032 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2034 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
2036 (valid_dbcc_comparison_p): Mark mode argument as unused.
2037 (symbolic_operand): Likewise.
2038 (legitimize_pic_address): Likewise.
2039 (const_uint32_operand): Likewise.
2040 (const_sint32_operand): Likewise.
2041 * sched.c [!INSN_SCHEDULING]: Define only dummy function
2042 schedule_insns and comment out rest of file.
2044 * m68k.c (output_move_simode_const): Use subl to move a zero into an
2046 (output_move_[hq]imode): Likewise.
2048 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
2050 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
2051 * invoke.texi: Corresponding changes.
2053 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
2055 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
2057 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2059 * config/sparc/sparc.c (ultra_code_from_mask,
2060 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
2061 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
2062 ultrasparc_sched_init, ultrasparc_variable_issue,
2063 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
2064 functions to describe UltraSPARC pipeline exactly to Haifa.
2065 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
2066 as there is nothing the scheduler can do about it. Indicate that
2067 REG_DEP_OUTPUT's collide. Fixup formatting.
2068 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
2069 divide costs on Ultra for DImode.
2070 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
2072 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
2073 ieuN and add call_no_delay_slot to type list.
2074 (cti function unit): New unit for branches on UltraSPARC.
2075 (subx/addx insns): Set type to misc.
2076 (sidi zero/sign extension insns on arch64): Set type to shift.
2077 (sign_extendhidi2_insn): Set type to sload.
2079 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
2081 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
2082 (output_epilog): Use if != 0 for offset.
2083 (rs6000_fatal_bad_address): Prepare for Intl.
2084 * rs6000.h (rs6000_fatal_bad_address): Declare.
2085 * rs6000.md (movsfcc, movdfcc): Use else if.
2086 (elf_high): Use {liu|lis}.
2087 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
2088 (movsi): Use rs6000_fatal_bad_address.
2090 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
2092 * reload.c (find_equiv_reg): Reject equivalences separated
2093 by a volatile instruction.
2095 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2097 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
2099 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
2101 * alpha.md (movsicc): Fix mode mismatch.
2103 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
2105 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
2107 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
2109 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2111 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
2112 write-only modifier from operand 1 constraint.
2114 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2116 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
2117 emitting a XOR of -1 at the end, emit a NOT instead for combine's
2119 (sparc_emit_set_const64): Likewise, also when computing trailing
2120 bits do not negate low_bits and make fast_int an int.
2122 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
2124 * loop.c (add_label_notes): Do not ignore references to labels
2125 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
2126 * gcse.c (add_label_notes): Similarly.
2128 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
2130 * m68k.md (adddi_dilshr32): One of the operands must be a register.
2131 (adddi_dishl32): Similarly.
2133 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
2135 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
2136 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
2137 * cse.c (cse_basic_block): Add parens to shut up warnings.
2139 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2141 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
2142 sparc_emit_set_const64_longway, const64_is_2insns,
2143 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
2144 in 64-bit constant formation.
2145 * config/sparc/sparc.md (snesi_zero_extend split): Generate
2146 rtl for addx not subx.
2147 (define_insn movdi_const64_special): Make available even when
2148 HOST_BITS_PER_WIDE_INT is not 64.
2149 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
2150 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
2151 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
2152 instances of operand 1 inside a QI subreg.
2153 (xordi3_sp64_dbl): Remove '%' constraint for op1.
2154 (one_cmpldi2_sp64): Fix output string.
2155 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
2157 (unnamed arch64 ashift DI): Truncate shift count if greater than
2160 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2162 * expr.c (store_expr): Don't optimize away load-store pair
2163 when either source or destination have a side effect.
2165 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
2167 * genrecog.c (add_to_sequence): Fatal error if the modes of the
2168 operands of SET are incompatible.
2170 * alpha.md: Fix max and min patterns so modes of SET operands match.
2172 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
2174 * configure.in: Avoid [[ by using test and changequote.
2175 * configure: Rebuild.
2177 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2179 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
2181 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
2182 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
2183 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
2184 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
2185 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
2186 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
2187 Fix mismatching modes in SET operands.
2188 (conditional move patterns): Fix formatting.
2189 (unnamed subx arch64 pattern): Remove duplicate insn.
2191 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2193 * config/sparc/sparc.c (const64_operand, const64_high_operand):
2194 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
2195 (input_operand): Fixup test for what we accept for constant
2197 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
2199 (safe_constDI): Remove.
2200 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
2201 gen_safe_XOR64): New functions.
2202 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
2203 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
2205 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
2206 available when HOST_BITS_PER_WIDE_INT is not 64.
2207 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
2208 move before movdi_insn_sp64 pattern.
2209 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
2210 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
2211 symbolic_operand as predicate for second operand.
2212 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
2213 expander): Give set VOIDmode.
2215 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
2217 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
2219 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
2221 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
2223 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
2225 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
2227 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
2229 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
2231 * install.texi: Various SCO OpenServer tweaks.
2233 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
2235 * reload1.c (eliminate_regs_in_insn): Handle another case when
2236 eliminating the frame pointer to the hard frame pointer. Add
2237 missing ep->to_rtx check to one existing case.
2239 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
2241 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
2243 * tree.h: De-conditionalize init_priority code.
2245 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
2246 * collect2.c (NM_FLAGS): Change from -p to -n.
2248 * configure.in: Turn on collect2 for mipstx39-elf.
2249 Handle use_collect2=no properly.
2251 * c-common.c: De-conditionalize init_priority code.
2252 * collect2.c (extract_init_priority, sort_ids): New fns.
2253 (main): Call sort_ids.
2254 Move sequence_number to file scope.
2256 * configure.in: Handle --enable-init-priority.
2257 * c-common.c (attrs): Add A_INIT_PRIORITY.
2258 (init_attributes, decl_attributes): Likewise.
2259 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
2260 * tree.c (get_file_function_name_long): Split out...
2261 (get_file_function_name): ...from here.
2263 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
2265 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
2268 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
2270 * toplev.c (display_help): Add braces to shut up warnings.
2271 * tree.c (simple_cst_equal): Likewise.
2273 * fold-const.c (non_lvalue): Don't deal with null pointer
2275 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
2277 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
2278 of any size to a pointer.
2280 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
2282 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
2284 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
2286 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
2287 which will be saved.
2288 * mn10300.md (prologue insn): Only save registers which need saving.
2289 (epilogue insn): Similarly.
2291 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
2294 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
2296 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
2297 VAR_DECL's in gp addressable sections.
2299 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
2301 * sparc.c: Change return <exp> to <exp>; return; in functions
2303 * sparc.md: Add empty semicolon statement after final label in
2306 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2308 * config/sparc/sparc.md (define_insn addx_extend): Rename to
2309 addx_extend_sp64, only allow when TARGET_ARCH64.
2310 (define_insn addx_extend_sp32 and split): Version that works when
2312 (define_insn subx_extend): Likewise.
2313 (define_split adddi3 and subdi3 with zero extension): Fixup and
2314 correct bugs when not TARGET_ARCH64.
2316 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
2318 * except.c (set_exception_lang_code, set_exception_version_code):
2319 Use prototype-style definition if __STDC__, to match declaration
2322 * genemit.c: Change FAIL and DONE macros not to use loops.
2324 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
2326 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
2327 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
2329 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
2331 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
2333 * README.g77: Update from Craig.
2335 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2337 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
2339 (safe_constDI sparc_emit_set_const64_quick1,
2340 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
2341 analyze_64bit_constant, const64_is_2insns,
2342 create_simple_focus_bits): Fix some bugs when compiled on real
2344 (function_arg_record_value_3, function_arg_record_value_2,
2345 function_arg_record_value): Add fully prototyped forward decls.
2346 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
2347 to cmpsi_insn and use on both 64 and 32 bit targets.
2348 (define_insn cmpsi_insn_sp64): Remove.
2349 (define_expand zero_extendsidi2): Allow for 32-bit target too.
2350 (define_insn zero_extendsidi2_insn): Rename to
2351 zero_extendsidi2_insn_sp64.
2352 (define_insn zero_extendsidi2_insn_sp32): New pattern and
2353 assosciated forced split for it.
2355 * config/sparc/sparc.c (const64_operand, const64_high_operand):
2357 * config/sparc/sparc.h: Declare them.
2358 (PREDICATE_CODES): Add them.
2359 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
2360 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
2362 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
2364 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
2365 in v9 case as the latter makes the Solaris assembler crash.
2367 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2369 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
2370 for TFmode when !v9. We require offsettable memory addresses.
2371 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
2372 DFmode register number conversions.
2373 * config/sparc/sparc.md (define_split DFmode moves): If register
2374 is a SUBREG do alter_subreg on it before using.
2375 (define_expand movtf): Fixup comment about alignment on v9.
2376 (define_split TFmode moves): Don't use gen_{high,low}part, create
2377 explicit SUBREGs instead.
2379 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
2381 * Makefile.in (mbchar.o): Depend on mbchar.c.
2383 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2384 Richard Henderson <rth@cygnus.com>
2386 Rewrite Sparc backend for better code generation and
2387 improved sparc64 support.
2388 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
2390 * config/sparc/sysv4.h: Likewise.
2391 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
2392 move_operand, v8plus_regcmp_op, emit_move_sequence,
2393 singlemove_string, doublemove_string, mem_aligned_8,
2394 output_move_double, output_move_quad, output_fp_move_double,
2395 move_quad_direction, output_fp_move_quad, output_scc_insn):
2397 (small_int_or_double): New predicate.
2398 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
2399 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
2400 old pic_{sethi,lo_sum}_si patterns.
2401 (mem_min_alignment): New generic function to replace
2402 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
2403 available and can test for arbitrary alignments. All callers
2405 (save_regs, restore_regs, build_big_number,
2406 output_function_prologue, output_cbranch, output_return,
2407 sparc_flat_save_restore, sparc_flat_output_function_prologue,
2408 sparc_flat_output_function_epilogue): Prettify
2410 (output_function_epilogue): Likewise and add code to output
2411 deferred case vectors.
2412 (output_v9branch): Likewise, add new arg INSN and use it to tack
2413 on branch prediction settings. All callers changed.
2414 (print_operand): Likewise and output %l44 for LO_SUMs when
2416 (sparc_splitdi_legitimate): New function to make sure DImode
2417 splits can be run properly when !arch64.
2418 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
2419 Reformat example code in comments.
2420 (set_extends): Remove UNSPEC/v8plus_clear_high case.
2421 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
2422 of deferred case vectors we need to output.
2423 (sparc_defer_case_vector): Record a case vector.
2424 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
2425 sparc_output_deferred_case_vectors): New functions to output them.
2426 (sparc_emit_set_const32): New function to form 32-bit constants in
2427 registers when that requires more than one instruction.
2428 (safe_constDI, sparc_emit_set_const64_quick1,
2429 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
2430 analyze_64bit_constant, const64_is_2insns,
2431 create_simple_focus_bits, sparc_emit_set_const64): New functions
2432 which do the same for 64-bit constants when arch64.
2433 (sparc_emit_set_symbolic_const64): New function to emit address
2434 loading for all code models on v9.
2435 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
2436 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
2437 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
2438 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
2439 inaccuracies in comments, add symbolic and text_segment operands
2440 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
2441 GENERAL_REGS in these cases as a temp REG is needed to load these
2442 addresses into a register properly.
2443 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
2445 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
2446 quads are guarenteed to have 16-byte alignment.
2447 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
2448 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
2449 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
2450 deferred case vector implementation.
2451 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
2452 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
2453 Generate "internal label - label" instead of "label - 1b".
2454 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
2455 (PREDICATE_CODES): Remove sparc_operand, move_operand,
2456 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
2458 (doublemove_string, output_block_move, output_fp_move_double,
2459 output_fp_move_quad, output_move_double, output_move_quad,
2460 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
2461 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
2462 (sparc_emit_set_const32, sparc_emit_set_const64,
2463 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
2464 mem_min_alignment, small_int_or_double): Add externs.
2465 * config/sparc/sparc.md: Document the many uses of UNSPEC and
2466 UNSPEC_VOLATILE in this backend.
2467 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
2468 unary to types which execute in it.
2469 (define_function_unit ieu_shift): Rename to ieu0.
2470 (define_function_unit ieu1): New, executes compare, call, and
2471 uncond_branch type insns.
2472 (define_function_units for type fdivs, fdivd, fsqrt): These
2473 execute in the fpu multiply unit not the adder on UltraSparc.
2474 (define_expand cmpdi): Disallow TARGET_V8PLUS.
2475 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
2476 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
2477 allows the arith_double_operand predicate and rHI constraint when
2479 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
2480 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
2481 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
2482 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
2483 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
2484 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
2485 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
2486 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
2487 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
2488 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
2489 sign_extendqihi2_insn, sign_extendqisi2_insn,
2490 sign_extendqidi2_insn, sign_extendhidi2_insn,
2491 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
2492 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
2493 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
2494 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
2495 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
2496 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
2497 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
2498 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
2499 smulsi3_highpart_v8plus, unnamed subreg mult,
2500 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
2501 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
2502 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
2503 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
2504 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
2505 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
2506 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
2507 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
2508 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
2509 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
2510 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
2511 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
2512 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
2513 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
2514 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
2515 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
2516 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
2517 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
2518 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
2519 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
2520 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
2521 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
2522 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
2523 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
2524 call_address_untyped_struct_value_sp32,
2525 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
2526 call_value_symbolic_sp32, call_value_address_sp64,
2527 call_value_symbolic_sp64, branch_sp32, branch_sp64,
2528 flush_register_windows, goto_handler_and_restore,
2529 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
2530 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
2531 return_addsi, return_di, return_adddi, return_sf, all call+jump
2532 peepholes, trap, unnamed trap insns): Prettify output strings.
2533 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
2534 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
2535 Likewise and force + implement splits for integer cases.
2536 (define_insn return_sf_no_fpu): Likewise and allow to match when
2537 no-fpu because of our subreg SFmode splits.
2538 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
2539 zero_extendqidi2_insn, zero_extendhidi2_insn,
2540 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
2541 input_operand for second operand.
2542 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
2543 reg_or_0_operand for operand 2 so new splits can use it.
2544 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
2545 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
2547 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
2548 CONST_DOUBLEs for operand 2.
2549 (define_insn move_label_di): Likewise and label distance
2550 optimization because it no longer works with new deferred case
2551 vector scheme. To be revisited.
2552 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
2553 and allow reg_or_0_operand and J constraint for second operand.
2554 (define_insn jump): Set branch predict taken on V9.
2555 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
2556 new deferred case vector scheme.
2557 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
2558 (define_insn negdi2_sp32): Force + implement splits.
2559 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
2560 one_cmplsi2_not_liveg0 respectively, and create expander of original
2561 names which emit special rtl for TARGET_LIVE_G0.
2562 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
2563 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
2564 gen_compare_reg, FAIL instead.
2565 (define_insn sgtu, sleu): Likewise and check gen_s*() return
2566 values when trying to reverse condition codes, if they FAIL then
2568 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
2569 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
2570 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
2571 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
2572 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
2573 set output string to # to indicate they are mandatory splits.
2574 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
2575 pic_sethi_di, move_pic_label_si): Remove.
2576 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
2577 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
2579 (define_expand movsi_pic_label_ref, define_insn
2580 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
2581 expander and insns to handle PIC label references and deferred
2583 (define_insn get_pc_via_rdpc): Comment out as it is no longer
2585 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
2586 Rewrite to not use emit_move_sequence, make use of new constant
2587 formation code, and new splits for all multi-insn cases.
2588 (define_insn movqi_insn): Remove sethi case, it can never happen.
2589 Use reg_or_zero_operand instead of const0_rtx explicit test,
2590 use input_operand instead of move_operand for source, and use
2591 general_operand now for dest.
2592 (define_insn movhi_insn): Similar but leave sethi case.
2593 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
2594 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
2595 movhi_lo_sum respectively, prettify output string.
2596 (define_insn movsi_zero_liveg0): New pattern to put zero into a
2597 register when needed on TARGET_LIVE_G0.
2598 (define_insn movsi_insn): Use general_operand and input_operand
2599 for dest and src respectively. Simplify applicability test.
2600 Prettify output strings, and add clr alternative for J
2602 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
2603 deprecated std and reg-reg DI moves): Remove and...
2604 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
2605 implementation which uses forced splits for all non-single insn
2607 (define_split DI move cases on !arch64): New splits to handle all
2608 situations of 64-bit double register DImode on 32bit, and
2609 unaligned registers and memory addresses for all subtargets.
2610 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
2612 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
2613 input_operand for dest and src respectively, prettify output
2615 (define_insn movdf_insn, movdf_no_e_insn, store_df,
2616 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
2618 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
2619 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
2620 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
2621 movtf_no_e_insn_sp64) Replace with new
2622 implementation which uses forced splits for all non-single insn
2624 (define_split DF move cases): New splits in similar vein to DI
2626 (define_insn sethi_di_medlow, sethi_di_medium_pic,
2627 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
2628 movdi_sp64_insn): Remove old v9 code model and constant loading
2630 (define_insn pic_lo_sum_di, pic_sethi_di,
2631 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
2632 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
2633 embmedany_sethi, embmedany_losum, embmedany_brsum,
2634 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
2635 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
2636 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
2637 scheme, using unspecs, secondary reloads, and one to one sparc
2638 insn to rtl insn mapping for better scheduling and code gen.
2639 (define_expand reload_indi, reload_outdi): Reload helpers for
2640 MEDANY and EMBMEDANY symbol address loading cases which require a
2642 (define_expand movsicc): Remove v8plus_regcmp cases.
2643 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
2644 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
2645 cmp_diqi_trunc_set): New patterns used by some of the new scc
2647 (define_insn xordi3_sp64_dbl): New pattern used for constant
2648 formation when crossing from 32-bit targets.
2649 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
2651 (define_insn addx, subx): Make visible and prettify.
2652 (define_insn adddi3_insn_sp32): Likewise and force split.
2653 (define_insn addx_extend, subx_extend, unnamed): New patterns for
2654 64bit scc split usage.
2655 (define_insn unnamed plusDI zero_extend, unnamed minusDI
2656 zero_extend, subdi3): Force and implement splits.
2658 * final.c (final_scan_insn): Don't output labels if target
2659 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
2662 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
2663 don't forget to walk inside SEQUENCESs too as these are what the
2664 delay slot scheduler will create.
2666 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
2668 * alpha.md (extxl+1,+2): New patterns to work around
2671 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
2673 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
2674 caused bad assembly code to be generated.
2676 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
2678 * netbsd.h: Fix typo.
2680 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
2682 * config.sub: Fix typo.
2684 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
2686 * invoke.texi (Environment Variables): Typo: Change "ascpects"
2688 (Running Protoize): Typo: Change "ther" into "other".
2690 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
2692 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
2693 * m68k/netbsd.h: Likewise.
2694 * ns32k/netbsd.h: Likewise.
2695 * sparc/netbsd.h: Likewise.
2697 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
2699 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
2700 * ginclude/va-clipper.h (va_list): Likewise.
2702 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
2704 * rs6000.c (rs6000_override_options): If big endian and -Os, use
2705 load/store multiple instructions unless user overrides.
2707 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
2709 * ns32k/netbsd.h: Fix typo.
2711 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
2713 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
2714 labels with .debugsym if no parallel insns.
2716 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
2718 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
2719 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
2721 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
2723 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
2724 (AR_FOR_TARGET): Define.
2726 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
2728 * dyn-string.h: New file.
2729 * dyn-string.c: Likewise.
2730 * Makefile.in (OBJS): Add dyn-string.o.
2731 (dwarf2out.o): Add dyn-string.h dependency.
2732 (dyn-string.o): List dependencies.
2733 * dwarf2out.c: Include dyn-string.h.
2734 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
2735 (addr_const_to_string): Take a dyn_string_t, not a char* as a
2736 prototype. Use dyn_string_append rather than strcat, throughout.
2737 (addr_to_string): Use dyn_string_t.
2739 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
2741 Function entry/exit profiling instrumentation:
2742 * expr.h (profile_function_entry_libfunc,
2743 profile_function_exit_libfunc): Declare new variables.
2744 * optabs.c: Define them here.
2745 (init_optabs): Initialize them.
2746 * tree.h (struct tree_decl): New flag
2747 no_instrument_function_entry_exit.
2748 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
2749 * c-decl.c (duplicate_decls): Merge it.
2750 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
2751 (init_attributes): Use it for "no_instrument_function".
2752 (decl_attributes): Handle it, for functions that have not yet been
2753 compiled. Set decl flag.
2754 * flags.h (flag_instrument_function_entry_exit): Declare new
2756 * toplev.c (flag_instrument_function_entry_exit): Define it here.
2757 (f_options): New option "instrument-functions".
2758 * function.h (struct function): New field instrument_entry_exit.
2759 * function.c (current_function_instrument_entry_exit): New
2761 (push_function_context_to, pop_function_context_from): Save and
2763 (expand_function_start): Set current_ variable, maybe emit return
2764 label and entry profile call.
2765 (expand_function_end): Maybe emit exit profile call.
2767 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
2769 * i386.md (movqi): When optimizing a load of (const_int 1) into a
2770 NON_QI_REG_P, pretend the register is SImode.
2772 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
2774 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
2775 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
2776 manufacturer id for ns32k.
2777 * configure: Regenerated.
2778 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
2779 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
2780 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
2781 * config/m68k/netbsd.h: Same.
2782 * config/ns32k/netbsd.h: Same.
2783 * config/sparc/netbsd.h: Same.
2785 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
2787 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
2788 or UNROLL_COMPLETELY loop that starts with a jump to its
2791 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
2793 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
2794 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
2795 (print_operand, case 'B'): Don't fall through.
2796 (print_operand, case 'S'): Correct mask begin/end computation.
2797 Use HOST_BITS_PER_WIDE_INT.
2798 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
2799 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
2800 * rs6000/aix41.h (CPP_PREDEFINES): Same.
2801 * rs6000/aix43.h (CPP_PREDEFINES): Same.
2803 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
2805 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
2806 constraint from second alternative.
2808 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2810 * configure.in: Fix --without/--disable cases for local-prefix,
2811 gxx-include-dir and checking.
2813 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2815 * configure.in (enable_haifa): Set by default for sparc64 too.
2818 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2820 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
2821 * i386/winnt.c (associated_type): New fn.
2822 (i386_pe_valid_type_attribute_p): New fn.
2823 (i386_pe_check_vtable_importexport): Remove.
2824 (i386_pe_dllexport_p): Use associated_type.
2825 (i386_pe_dllimport_p): Likewise.
2827 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
2828 * i386.c (i386_valid_type_attribute_p): Also accept
2829 attributes for METHOD_TYPEs.
2831 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
2833 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
2835 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
2837 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
2839 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
2840 them from generating a new base name for each occurence of
2843 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
2845 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
2847 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
2851 * cplus-dem.c (type_kind_t): New type.
2852 (demangle_template_value_parm): Add type_kind_t parameter. Rely
2853 on this paramter, rather than demangling the type again.
2854 (demangle_integral_value): Pass tk_integral.
2855 (demangle_template_: Pass the value returned from do_type.
2856 (do_type): Return a type_kind_t. Pass tk_integral to
2857 demangle_template_value_parm for array bounds.
2858 (demangle_fund_type): Likewise.
2860 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
2862 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
2865 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
2867 * pa.c (move_operand): Accept CONSTANT_P_RTX.
2869 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
2871 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
2873 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
2876 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
2878 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
2879 (DEBUGGER_ARG_OFFSET): Likewise.
2881 * mn10300.md (movsf): Remove last change. Not needed.
2883 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
2885 * c-lex.c (yylex): Fix boundary conditions in character literal and
2886 string literal loops.
2888 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
2890 * longlong.h (count_leading_zeros): Sparclite scan instruction was
2891 being invoked incorrectly.
2893 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
2894 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
2896 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
2897 * configure.in: Added i[34567]86-*-win32
2898 * config.sub: Ditto.
2899 * configure: Rebuilt.
2901 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
2903 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
2904 the frame pointer and compiling PIC code and reload has not completed.
2906 * i386.c (output_to_reg): Add code to emulate non-popping DImode
2909 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
2911 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
2913 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2915 * Makefile.in (install-info): Only try to update the info
2916 directory file if it exists in the first place.
2918 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
2920 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
2922 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
2924 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
2925 CONST_DOUBLE source.
2927 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
2929 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
2930 strings as the insertion of USER_LABEL_PREFIX.
2931 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
2933 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
2936 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
2938 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
2939 already defined type.
2941 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
2943 * expr.c (check_max_integer_computation_mode): Allow conversions
2944 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
2945 (expand_expr): Likewise.
2947 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2949 * expr.c (expand_expr): Expand RETURN_EXPR.
2951 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
2953 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
2955 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
2957 * dwarf2out.c (output_aranges): Call stripattributes
2958 for TEXT_SECTION references.
2959 (output_line_info): Likewise.
2961 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2963 * profile.c (branch_prob): Call allocate_reg_info after outputting
2964 profile rtl in instrument_arcs.
2966 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
2968 * fixinc.irix (math.h): Install wrapper instead of copying.
2970 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2972 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
2973 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
2974 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
2975 lang_flag_0. Added documentation in the flag table.
2977 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
2979 * cccp.c (do_include): Fix vax c style include handling.
2981 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2983 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
2985 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
2987 * fold-const.c (non_lvalue): Don't deal with null pointer
2989 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
2991 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
2993 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
2994 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
2995 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
2996 (u_short_cint_operand): Same.
2997 (reg_or_cint_operand): Same.
2998 (logical_operand): Same.
2999 (input_operand): Same.
3000 (reg_or_short_operand): Use u_short_cint_operand.
3002 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
3004 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
3005 but keep the insns and splits. Adjust so when the ultimate destination
3006 is memory, use cvtql.
3008 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
3010 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
3012 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
3014 * gcc.c (do_spec): Call "error" not "warning".
3016 * configure.in: Fix minor problems with gas feature detection code.
3017 * configure: Rebuilt.
3019 * gcc.c (do_spec): Issue a warning for '%[]' usage.
3022 * gcc.c: Delete %[spec] support.
3023 (do_spec_1, case '('): Likewise.
3024 (do_spec_1, case '['): Call error.
3026 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
3028 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
3029 (CPP_SUBTARGET_SPEC): Default to empty string.
3030 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
3031 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
3032 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
3033 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
3035 * alpha/linux.h (CPP_PREDEFINES): Tidy.
3036 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
3037 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
3038 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
3039 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
3040 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
3041 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
3042 * alpha/vxworks.h: Likewise.
3044 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
3046 * mips.md (reload_outsi): Added missing REGNO call.
3047 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
3049 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
3050 another match_operator and compare the codes.
3052 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
3054 * MIPS multiply pattern fixes:
3055 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3056 Add union classes for HI, LO, or HILO plus general registers.
3057 (GENERATE_MADD): Deleted.
3058 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
3059 Add TARGET_MAD to condition.
3060 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
3061 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
3062 "*d" for accumulator, to give preference to LO initially but not
3065 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
3067 * configure.in (enable_c_mbchar): New configure option.
3068 (extra_cpp_objs): Always available now.
3070 * cexp.y (mbchar.h): #include it.
3071 (yylex): Handle Multibyte characters in character literals.
3073 * cccp.c (mbchar.h): #include it.
3074 (main): Set character set based on LANG environment variable.
3075 (rescan): Handle multibyte characters in comments.
3076 (skip_if_group): See above.
3077 (validate_else): See above.
3078 (skip_to_end_of_comment): See above.
3079 (macarg1): See above.
3080 (discard_comments): See above.
3081 (rescan): Handle multibyte characters in string and character literals.
3082 (collect_expansion): See above.
3083 (skip_quoted_string): See above.
3084 (macroexpand): See above.
3085 (macarg1): See above.
3086 (discard_comments): See above.
3087 (change_newlines): See above.
3089 * c-lex.c (mbchar.h): #include it.
3090 (GET_ENVIRONMENT): New macro.
3091 (init_lex): Set character set based on LANG environment variable.
3092 (yylex): Handle multibyte characters in character literals.
3093 (yylex): Handle multibyte characters in string literals.
3095 * Makefile.in (mbchar.o): New target.
3096 (cccp$(exeext)): @extra_cpp_objs@ is always available.
3097 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
3099 * mbchar.[ch]: New files for multibyte character handling.
3101 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3103 * jump.c (jump_optimize): When simplifying noop moves and
3104 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
3105 the PUSHes to rewrite in second loop as we did in the first.
3107 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3109 * cplus-dem.c (demangle_nested_args): Make function definition
3110 static to match the prototype.
3112 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
3114 * alloca.c: Respect USE_C_ALLOCA.
3115 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
3116 * gengenrtl.c (xmalloc): Likewise.
3118 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
3120 * loop.h (struct induction): Add no_const_addval.
3121 * loop.c (the_movables, reg_address_cost): New variables.
3122 (init_loop): Init reg_address_cost.
3123 (loop_optimize): Call end_alias_analysis.
3124 (scan_loop): Init the_movables.
3125 (record_giv): Init induction->no_const_addval.
3126 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
3127 [REG]: Rearrange loop search test to catch more cases.
3128 (general_induction_var): Return success not benefit; take an extra
3129 argument for that. Change all callers.
3130 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
3131 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
3132 [default]: Search the_movables for additional combinations.
3133 (sge_plus_constant, sge_plus): New functions.
3134 (express_from_1): New function.
3135 (express_from): Always define. Rewrite using express_from_1.
3136 (combine_givs_p): Handle more cases. Ignore address cost.
3137 (cmp_combine_givs_stats): New function.
3138 (combine_givs_used_once, combine_givs_benefit_from): New functions.
3139 (combine_givs): Rewrite to do best-fit combination.
3141 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
3142 (fold): Do a complete (A*C)+(B*C) association check.
3144 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
3146 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
3148 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
3150 * mn10300.c (MODES_TIEABLE_P): Fix typo.
3152 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
3154 * tree.c (valid_machine_attribute): Only create a new type variant if
3155 there is a decl to use it.
3157 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
3159 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
3162 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
3164 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
3167 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
3169 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
3170 Simplify tests for clearing an address register.
3171 (expand_prologue): Corresponding changes.
3173 * mn10300.md (movXX patterns): Make sure the destination is an
3174 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
3175 (logical patterns): Split into expanders + patterns
3176 (zero and sign extension patterns): Similarly.
3177 (shift patterns): Similarly.
3179 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
3181 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
3182 for the sequence, recording base values.
3184 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
3186 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
3188 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
3190 * gcc.c: Remove ANSI-C ism from --help code.
3192 * toplev.c: Support --help with USE_CPPLIB.
3194 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
3196 * configure.in: Rework gas feature code to work with symlink based
3199 * extend.texi: Clarify some issues related to local variables
3200 assigned to explicit registers.
3202 * mn10300.md (mulsi): Turn into expander + pattern.
3204 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
3207 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
3209 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
3211 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
3213 * version.c: Bump again to distinguish mainline tree from the
3216 See ChangeLog.0 for earlier changes.
3219 add-log-time-format: current-time-string
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