1 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
3 * README.C4X: New file with information about the c4x ports.
4 * ginclude/va-c4x.h: New file for c4x varargs support.
5 * config/c4x: New directory with c4x port files.
7 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
9 * reload.c (find_reloads): Do not replace a pseudo with
10 (MEM (reg_equiv_addr)) in the initializing insn for the
13 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
15 * toplev.c (rest_of_compilation): Set bct_p on second call to
17 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
19 (strength_reduce): Only call analyze_loop_iterations and
20 insert_bct if bct_p set.
21 (check_dbra_loop): Fix typo.
22 (insert_bct): Use word_mode instead of SImode.
23 (instrument_loop_bct): Likewise. Do not delete iteration count
24 condition code generation insn. Initialize iteration count before
26 * rtl.h (loop_optimize): Update prototype.
28 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
29 not doubleword aligned.
31 * rs6000.c (optimization_options): New function.
32 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
33 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
34 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
35 first; cr1 can be used for FP record condition insns.
37 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
39 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
42 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
45 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
47 (block_move_call): New function: Call a library routine to copy a
49 (m32r_expand_block_move): New function: Expand a "movstrsi"
50 pattern into a sequence of insns.
51 (m32r_output_block_move): New function: Expand a
52 "movstrsi_internal" pattern into a sequence of assembler opcodes.
53 (m32r_block_immediate_operand): New function: Return true if the
54 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
56 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
58 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
60 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
62 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
64 * regmove.c (copy_src_to_dest): Check that modes match.
66 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
68 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
70 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
72 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
73 narrower than FLOAT_REGS.
75 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
77 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
79 * Makefile.in (old_gxx_include_dir): removed
81 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
83 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
86 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
87 (sh_handle_pragma): Change function arguments to match new
88 specification for HANDLE_PRAGMA.
90 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
92 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
94 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
95 When generating output, initialize missing struct member to zero.
97 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
99 * regmove.c (copy_src_to_dest): Don't copy if that requires
102 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
104 * global.c (reg_allocno): Now static.
105 * reload1.c (reg_allocno): Delete declaration.
106 (order_regs_for_reload): Take no arguments. Don't treat regs
107 allocated by global differently than those allocated by local-alloc.
109 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
111 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
112 condition, fix format strings.
113 (output_function_epilogue): Likewise.
115 * m68k/m68k.c: Don't include <stdlib.h> directly.
117 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
119 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
120 mem_first_set, mem_last_set; because 0 can be a CUID.
121 (oprs_unchanged_p): Use new definition.
122 (record_last_reg_set_info): Likewise.
123 (record_last_mem_set_info): Likewise.
124 (compute_hash_table): Likewise.
126 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
128 * rs6000.c (output_epilogue): Handle Chill.
130 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
131 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
133 * combine.c (make_extraction): If no mode is specified for
134 an operand of insv, extv, or extzv, default it to word_mode.
135 (simplify_comparison): Similarly.
136 * expmed.c (store_bit_field): Similarly.
137 (extract_bit_field): Similarly.
138 * function.c (fixup_var_regs_1): Similarly.
139 * recog.c (validate_replace_rtx_1): Similarly.
140 * mips.md (extv, extzv, insv expanders): Default modes for most
141 operands. Handle TARGET_64BIT.
142 (movdi_uld, movdi_usd): New patterns.
144 * pa.c (emit_move_sequence): Do not replace a pseudo with its
145 equivalent memory location unless we have been provided a scratch
146 register. Similarly do not call find_replacement unless a
147 scratch register has been provided.
149 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
151 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
154 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
156 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
157 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
158 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
159 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
160 * c-decl.c (init_decl_processing): Update accordingly.
161 * expr.c (expand_builtin): Likewise.
163 * rtl.h (global_rtl): Add cfa entry.
164 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
165 (LAST_VIRTUAL_REGISTER): Update.
166 * emit-rtl.c (global_rtl): Add cfa entry.
167 (init_emit): Initialize it.
168 * function.c (cfa_offset): New.
169 (instantiate_virtual_regs): Initialize it.
170 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
171 (expand_function_end): Call expand_eh_return.
172 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
174 * except.c (current_function_eh_stub_label): Kill.
175 (current_function_eh_old_stub_label): Likwise; update all references.
176 (expand_builtin_set_return_addr_reg): Kill.
177 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
178 (expand_builtin_set_eh_regs): Kill.
179 (eh_regs): Produce a third reg for the actual handler address.
180 (eh_return_context, eh_return_stack_adjust): New.
181 (eh_return_handler, eh_return_stub_label): New.
182 (init_eh_for_function): Initialize them.
183 (expand_builtin_eh_return, expand_eh_return): New.
184 * except.h: Update prototypes.
185 * flow.c (find_basic_blocks_1): Update references to the stub label.
186 * function.h (struct function): Kill stub label elements.
188 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
189 register number is one that would be in the previous window.
190 Provide a dummy definition for non-windowed targets.
191 (get_reg_addr): New function.
192 (get_reg, put_reg, copy_reg): Use it.
193 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
194 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
196 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
197 (alpha_init_expanders): Initialize it.
198 (alpha_expand_epilogue): Use it.
199 * alpha.h: Declare it.
200 * alpha.md (eh_epilogue): New.
202 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
203 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
205 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
207 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
210 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
212 * except.h (struct eh_entry): Add false_label field.
213 (end_catch_handler): Add prototype.
214 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
215 (start_catch_handler): When using old style exceptions, issue
216 runtime typematch code before continuing with the handler.
217 (end_catch_handler): New function, generates label after handler
218 if needed by older style exceptions.
219 (expand_start_all_catch): No need to check for new style exceptions.
220 (output_exception_table_entry): Only output the first handler label
221 for old style exceptions.
222 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
223 mechanism into one function, if a runtime matcher is provided.
225 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
227 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
229 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
231 * integrate.c (copy_decl_list): Fix typo.
233 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
235 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
238 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
240 * version.c: Bump for snapshot.
242 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
244 * version.c: Bump for snapshot.
246 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
248 * version.c: Bump for snapshot.
250 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
252 * invoke.texi (C Dialect Options): Put back missing @end itemize.
254 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
256 * configure.in: remove usage of `!' to negate the result of a
257 command; some common shells do not support it
259 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
261 * configure.in: in sparc9-sol2 config, use 'if test' not
263 * configure: Rebuilt.
265 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
267 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
268 (CPP_CPU_DEFAULT_SPEC): Likewise.
269 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
272 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
275 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
277 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
279 * collect2.c: Don't declare `sys_siglist' here.
280 (my_strsignal): Prototype and define new function. Use it in
281 place of `sys_siglist' hacks.
283 * mips_tfile.c: Likewise.
285 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
286 (GCC_NEED_DECLARATIONS): Likewise.
288 * system.h (strsignal): Prototype it, if necessary.
289 (sys_siglist): Declare it, if necessary.
291 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
293 * loop.c (move_movables): While removing insn sequences, preserve
294 the next pointer of the most recently deleted insn when we skip
297 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
299 * objc/config-lang.in: Do not output the name of the selected
300 thread file when building the front-end. The Makefile for the
301 runtime library will do this.
303 * objc/Make-lang.in: Do not build the runtime library or install
304 the Objective C header files. The Makefile for the runtime
305 library will do this.
307 * objc/Makefile.in (all.indirect): Only build the front-end.
308 (compiler): Rename to `frontend'.
309 (obj-runtime): Remove target.
310 (copy-headers): Likewise.
311 (clean): No need to remove `libobjc.a' any longer.
313 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
315 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
316 supported with -mcpu=xxx.
318 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
320 * flow.c (mark_set_1): Recognize multi-register structure return
321 values in CALL insns.
322 (mark_used_regs): Likewise.
323 (count_reg_sets_1): Likewise.
324 (count_reg_references): Likewise.
325 * rtlanal.c (note_stores): Likewise.
326 (reg_overlap_mentioned_p): Likewise.
327 * haifa-sched.c (check_live_1): Likewise.
328 (update_live_1): Likewise.
329 (sched_analyze_1): Likewise.
330 (sched_note_set): Likewise.
331 (birthing_insn_p): Likewise.
332 (attach_deaths): Likewise.
334 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
337 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
339 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
341 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
343 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
345 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
347 * configure.in: Add check for GAS subsection -1 support.
348 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
349 * configure config.in: Rebuilt.
350 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
351 SImode is subsection -1 works, else use DImode.
352 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
354 * config/sparc/sparc.c (sparc_output_addr_vec,
355 sparc_output_addr_diff_vec): Use them if defined.
357 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
359 * tree.h (DECL_ORIGIN): New macro.
360 * integrate.c (copy_and_set_decl_abstract_origin): New function.
361 (copy_decl_list): Use it.
362 (integrate_parm_decls): Likewise.
363 (integrate_decl_tree): Likewise.
364 * dwarf2out.c (decl_ultimate_origin): Simplify.
365 * dwarfout.c (decl_ultimate_origin): Likewise.
366 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
367 (pushdecl): Likewise.
369 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
371 * config/rs6000/rs6000.c (output_epilog): Add Java support.
373 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
375 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
377 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
379 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
380 empty or has a single entry.
382 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
383 before calling reg_to_stack.
385 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
387 * alpha.c (alphaev5_insn_pipe): Abort on default case.
388 (alphaev5_next_group): Swallow CLOBBERs and USEs.
390 * c-tree.h (warn_long_long): Declare it.
392 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
394 * emit-rtl.c (gen_lowpart_common): Disable optimization of
395 initialized float-int union if the value is a NaN.
397 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
399 * c-lex.c (real_yylex): Don't warn about long long constants if
400 we're allowing long long
402 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
404 * except.h (current_function_eh_stub_label): Declare.
405 (current_function_eh_old_stub_label): Declare.
406 * function.h (struct function): New members eh_stub_label and
408 * except.c (current_function_eh_stub_label): New variable.
409 (current_function_eh_old_stub_label): New variable.
410 (init_eh_for_function): Clear them.
411 (save_eh_status): Save them.
412 (restore_eh_status): Restore them.
413 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
414 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
415 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
416 make an edge from the block that contains it to the block starting
417 with the label if this label is one of the eh stub labels.
418 If eh stub labels exist, show they are reachable from the last block
421 * reload1.c (reload): Break out several subroutines and make some
423 (calculate_needs_all_insns): New function, broken out of reload.
424 (calculate_needs): Likewise.
425 (find_reload_regs): Likewise.
426 (find_group): Likewise.
427 (find_tworeg_group): Likewise.
428 (something_needs_reloads): New global variable, formerly in reload.
429 (something_needs_elimination): Likewise.
430 (caller_save_spill_class): Likewise.
431 (caller_save_group_size): Likewise.
432 (max_needs): Likewise.
433 (group_size): Likewise.
434 (max_groups): Likewise.
435 (max_nongroups): Likewise.
436 (group_mode): Likewise.
437 (max_needs_insn): Likewise.
438 (max_groups_insn): Likewise.
439 (max_nongroups_insn): Likewise.
442 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
444 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
446 * loop.c (load_mems): Copy rtx for output mem.
448 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
450 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
451 mips1 or mips2 either.
453 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
455 * pa.c (pa_reorg): New marking scheme for jumps inside switch
457 (pa_adjust_insn_length): Update to work with new marking scheme
458 for jumps inside switch tables.
459 * pa.md (switch_jump): Remove pattern.
460 (jump): Handle jumps inside jump tables.
462 * Makefile.in (profile.o): Depend on insn-config.h
464 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
466 * iris6.h (DWARF2_UNWIND_INFO): Undef.
468 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
470 Add preliminary native sparcv9 Solaris support.
471 * configure.in: Recognize sparv9-*-solaris2*
473 * config.sub: Recognize sparcv9 just like sparc64.
474 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
475 config/sparc/sol2-cn.asm: Macroize so it can be shared between
476 32-bit and 64-bit Solaris systems.
477 * config/sparc/t-sol2: Assemble those with cpp.
478 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
479 (*TF*_LIBCALL): If ARCH64 use V9 names.
480 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
482 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
484 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
485 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
487 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
489 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
490 to Pmode if CASE_VECTOR_MODE is something else.
492 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
494 * prefix.c (update_path): Correctly handle cases where PATH is
495 a substring of the builtin prefix, but specifies a different
498 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
500 * expr.c: Corrected comment about what MOVE_RATIO does.
501 * config/alpha/alpha.h: Ditto.
502 * config/1750a/1750a.h: Ditto.
503 * config/clipper/clipper.h: Ditto.
504 * config/i386/i386.h: Ditto.
506 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
508 * configure.in (m68k-next-nextstep3*): Use collect2.
509 Similarly for x86 NeXT configurations.
510 * configure: Rebuilt.
512 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
514 * configure.in: Don't assume srcdir is .../gcc
515 * configure: Rebuilt.
517 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
519 * global.c: Update comments.
520 (global_alloc): Assign allocation-numbers
521 even for registers allocated by local_alloc in case
522 they are later spilled and retry_global_alloc is called.
523 (mark_reg_store, mark_reg_clobber,
524 mark_reg_conflicts, mark_reg_death): Always record a
525 conflict with a pseudo register even if it has been
526 assigned to a hard register.
527 (dump_conflicts): Don't list pseudo registers already assigned to
528 a hard register as needing to be allocated, but do list their
530 * local-alloc.c: Update comment.
532 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
534 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
535 * configure: Rebuilt.
537 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
539 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
541 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
542 for all targets that set -msoft-float.
544 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
546 * toplev.c (print_switch_values): Make static to match prototype.
548 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
550 * configure.in: If we are unable to find the "gnatbind" program,
551 then do not configure the ada subdir.
552 * configure: Rebuilt.
554 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
556 * version.c: Bump for snapshot.
558 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
560 * version.c: Bump for snapshot.
562 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
564 * Makefile.in (toplev.o): Depend on $(EXPR_H).
565 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
567 * gansidecl.h: Define ATTRIBUTE_NORETURN.
569 * genattrtab.c: Have insn-attrtab.c include toplev.h.
571 * genextract.c: Have insn-extract.c include toplev.h.
573 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
575 * toplev.c: Include expr.h.
576 (really_sorry, fancy_abort): Remove prototypes.
577 (set_target_switch): Add argument in prototype.
578 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
579 (v_really_sorry): Likewise.
580 (print_version, print_single_switch, print_switch_values): Make
581 static and add prototype arguments.
582 (decl_printable_name): Add prototype arguments.
583 (lang_expand_expr_t): New typedef.
584 (lang_expand_expr): Declare as a lang_expand_expr_t.
585 (incomplete_decl_finalize_hook): Add prototype argument.
586 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
587 (botch): Likewise for variable `s'.
588 (rest_of_type_compilation): Mark variables `type' and `toplev'
589 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
590 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
591 (display_help): Make variable `i' an `unsigned long'.
592 (main): Remove unused parameter `envp'.
593 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
594 Cast -1 when comparing it with a `size_t'.
596 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
597 prototype with ATTRIBUTE_NORETURN.
598 (fatal_insn_not_found, fatal_insn, really_sorry,
599 push_float_handler, pop_float_handler): Add prototypes.
600 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
601 (do_abort, botch): Add prototypes.
603 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
605 * final.c (final): If a label is reached only from a single jump,
606 call NOTICE_UPDATE_CC on the jump and its predecessor before
607 emitting the insn after the label.
609 * i386.h: Add AMD K6 support.
610 Change TARGET_* macros to use table lookup.
611 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
612 (ADJUST_COST): Change definition to call function in i386.c.
613 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
614 * i386.c: Add AMD K6 support.
615 Add constants for feature tests used by TARGET_* macros.
616 (split_di): If before reload, call gen_lowpart and gen_highpart.
617 (x86_adjust_cost): New function.
618 (put_jump_code): New function.
619 (print_operand): New codes 'D' and 'd'.
620 * i386.md: New insn types. New insn attribute "memory".
621 Redefine scheduling parameters to use new types and add AMD K6
622 support. Explicitly set type of most insns.
623 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
624 Pro and K6 prefer movl $1,reg to incl reg.
625 (adddi3, subdi3): Set cc_status.
626 (DImode shift patterns): Change label counters from HOST_WIDE_INT
627 to int; x86 can't have more than 2^31 DImode shifts per file.
628 (setcc): Combine all setcc patterns. Allow writing memory.
629 Combine all jump patterns using match_operator.
630 (*bzero): Name pattern. Emit mutliple stos instructions when that
631 is faster than rep stos.
632 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
635 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
637 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
640 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
642 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
643 not whatever we're generating now.
645 * alpha.c (set_frame_related_p, FRP): New.
646 (alpha_expand_prologue): Mark frame related insns.
647 (alpha_expand_epilogue): Likewise, but with a null FRP.
648 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
649 * alpha.md (exception_receiver): New.
650 * alpha/crtbegin.asm (.eh_frame): New beginning.
651 (__do_frame_setup, __do_frame_takedown): New.
652 * alpha/crtend.asm (.eh_frame): New ending.
653 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
654 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
655 (ASM_FILE_START): Don't emit .file for dwarf2.
657 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
658 * rtl.c (reg_note_name): Likewise.
659 * rtl.texi (REG_NOTES): Likewise.
660 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
663 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
665 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
666 * i386.md (movsf, movdf, movxf): Validate memory address returned
667 from force_const_mem. Kill useless REG_EQUAL setting code.
669 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
671 * m68k.md (zero_extendsidi2): Fix typo.
673 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
675 * configure.in: Removed references to the removed file
676 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
677 * arm*-*-netbsd* and ns32k-*-netbsd*.
678 * config/i386/xm-netbsd.h: Removed unnecessary file.
679 * config/m68k/xm-netbsd.h: Likewise.
680 * config/sparc/xm-netbsd.h: Likewise.
681 * config/mips/xm-netbsd.h: Likewise.
683 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
685 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
686 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
688 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
689 for exact section attributions.
691 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
693 * i386/crtdll.h (CPP_PREDEFINES): Define.
695 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
697 * m68k.md (5200 movqi): Do not allow byte sized memory references
699 * m68k.c (output_move_qimode): Do not use byte sized operations on
702 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
703 explicit rules for building. Similarly for alloca, vfprintf,
704 choose-temp and mkstemp, getopt, getopt1, and obstack.
705 (INCLUDES): Add $(srcdir)/../include.
706 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
707 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
709 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
711 * gcc.c (do_spec_1): [case 'o'] Account for
712 lang_specific_extra_outfiles.
713 (main): Correctly clear all slots in outfiles for
714 lang_specific_extra_outfiles. Set input_file_number before
715 calling lang_specific_pre_link.
717 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
719 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
721 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
723 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
725 (sparc_output_deferred_case_vectors): If no work to do, return.
726 Fix thinko in Sept 1 change.
728 1998-09-03 SL Baur <steve@altair.xemacs.org>
730 * Makefile.in: add semicolon in BISON definition for portability.
732 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
734 * config/nextstep.c (handle_pragma): Correct name of third
737 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
739 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
740 * config/m32r/m32r.h: Make register 17 be fixed.
741 * config/m32r/m32r.c: Use SImode for cc operations.
743 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
745 * invoke.texi (Warning Options): Add -Wnon-template-friend
748 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
750 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
752 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
754 * rs6000.md (movsf): Disable explicit secondary-reload-like
755 functionality if TARGET_POWERPC64.
756 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
759 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
761 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
762 and term.h from fixinc.wrap.
764 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
766 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
767 safe to include both string.h and strings.h together.
768 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
769 which headers to search for function declarations. Continue to
770 prefer string.h over strings.h when both are not acceptable.
772 * acconfig.h (STRING_WITH_STRINGS): Add stub.
774 * configure.in: Call GCC_HEADER_STRING.
776 * system.h: Test STRING_WITH_STRINGS when deciding which headers
777 to include. Continue to prefer string.h over strings.h when both
780 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
782 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
783 not assume top 32-bits of symbolic addresses are zero if
786 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
788 * ginclude/va-alpha.h: Protect entire second portion of the
789 file against double inclusion.
791 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
793 Added support for the Boehm's garbage collector.
794 * configure.in: Handle --enable-objc-gc.
795 * configure: Rebuilt.
796 * Makefile.in (CHECK_TARGETS): Add check-objc.
797 (check-objc): New rule.
798 * objc/Make-lang.in: Build a different Objective-C library that
799 runs with the Boehm's collector.
800 * objc/encoding.c (objc_round_acc_size_for_types): New function.
801 * objc/encoding.c: Correctly compute the size of compound types in
802 the presence of bitfields. Skip the variable name of the type if
803 any. Added support for long long.
804 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
805 (_F_GCINVISIBLE): New mask.
806 * objc/gc.c: New file. Compute the type memory mask associated with
807 a class based on the runtime information.
808 * objc/misc.c: Added the hooks that use the Boehm's collector
809 allocation functions.
810 * objc/objc-act.c (build_class_template): Generate a new class
811 member (gc_object_type) to hold the class' type memory mask.
812 (build_shared_structure_initializer): Initialize the new member to
814 (encode_complete_bitfield): New function. Generate the new
816 (encode_field_decl): Generate the new encoding only for the GNU
818 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
820 (class_get_gc_object_type): New function to mark a pointer instance
821 variable as a weak pointer.
822 * objc/objc-features.texi: New file.
823 * objc/objc.h (gc_object_type): New class member.
824 * objc/objects.c (class_create_instance): Create a typed memory
825 object when compiled with Boehm's collector support.
826 * objc/sendmsg.c (__objc_init_install_dtable): Call
827 __objc_send_initialize instead of setting the initialize flag.
828 (__objc_send_initialize): Call __objc_generate_gc_type_description
829 to generate the class type memory mask. Rewrite the code that
830 sends the +initialize so that it is called only once (bug report
831 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
832 * testsuite/objc: New testsuite for Objective-C type encoding.
833 * testsuite/lib/objc-torture.exp: New file.
834 * testsuite/lib/objc.exp: New file.
836 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
838 * jump.c (jump_optimize): In if/then/else transformations, add
839 another call to modified_between_p for the jump insn.
841 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
843 * fix-header.c (symlink): Treat like readlink.
845 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
847 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
850 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
852 * config/nextstep.h: Update HANDLE_PRAGMA macro.
853 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
854 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
856 * config/nextstep.c (handle_pragma): Take three arguments, as per
857 the new HANDLE_PRAGMA macro specification.
858 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
859 per the new HANDLE_PRAGMA macro specification.
860 * config/i960/i960.c (process_pragma): Take three arguments, as
861 per the new HANDLE_PRAGMA macro specification.
863 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
865 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
866 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
867 if unknown pragmas are encountered.
868 (handle_sysv_pragma): Interpret return code from
869 handle_pragma_token (). Return success/failure indication rather
870 than next unprocessed character.
871 (pragma_getc): New function: retrieves characters from the
872 input stream. Defined when HANDLE_PRAGMA is enabled.
873 (pragma_ungetc): New function: replaces characters back into the
874 input stream. Defined when HANDLE_PRAGMA is enabled.
876 * c-pragma.c (handle_pragma_token): Return success/failure status
879 * c-pragma.h: Change prototype of handle_pragma_token().
881 * varasm.c: (handle_pragma_weak): Only create this function if
882 HANDLE_PRAGMA_WEAK is defined.
884 * c-common,c (decl_attributes): If defined call the expression
885 contained within the INSERT_ATTRIBUTES macro before adding
886 attributes to a decl.
888 * tm.texi (HANDLE_PRAGMA): Document the new verion of
889 HANDLE_PRAGMA, which takes three arguments.
890 (INSERT_ATTRIBUTES): Document this new macro.
892 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
893 new INSERT_ATTRIBUTES macro.
895 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
897 * config/sparc/sparc.md (movdf): Only generate special RTL for
899 (move_label_di): Remove
900 (movdi_pic_label_ref, movdi_high_pic_label_ref,
901 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
903 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
904 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
905 output an .xword for all 64-bit cases.
907 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
909 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
910 alignment, use FUNCTION_BOUNDARY instead.
911 (sparc_output_deferred_case_vectors): Likewise.
913 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
915 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
916 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
918 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
920 * alpha/va_list.h: New file.
921 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
923 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
925 * NEWS: Add SCO Openserver and Unixware 7 notes.
929 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
931 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
932 (record_constant_1): Handle RANGE_EXPR.
934 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
936 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
937 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
938 and NOTE_INSN_RANGE_END specially.
939 (reemit_notes): Likewise.
941 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
943 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
944 (ultrasparc_sched_init): Remove unneeded &.
946 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
948 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
949 for m68020-60, to prevent the use of fintrz.
951 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
953 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
955 * Makefile.in: Likewise.
956 * configure: Regenerated.
958 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
960 * configure.in (gxx_include_dir): Changed to
961 '${prefix}/include/g++'-${libstdcxx_interface}.
962 * configure: Rebuilt.
964 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
966 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
968 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
969 *sequences* *below* which scalar moves will be used.
971 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
973 * collect2.c (mktemp): Delete unused declaration.
975 * config/xm-netbsd.h: Remove unnecessary file.
976 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
977 file anymore, it is not needed.
979 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
981 * convert.c (convert_to_integer): Issue an error on conversions to
984 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
986 * Makefile.in: Add lang_tree_files and gencheck.h.
987 * configure.in: Generate them.
988 * gencheck.c: Include gencheck.h.
990 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
992 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
993 movdi_lo_sum_pic and movdi_high_pic and make visible.
994 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
995 emit these when Pmode is not SImode.
996 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
998 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
1000 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
1001 .linkonce directive after the first time.
1003 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
1005 * m68k.md (beq0_di): Generate correct (and more efficient) code when
1006 the clobbered operand overlaps with an input.
1007 (bne0_di): Similarly.
1009 * Makefile.in (INSTALL): Remove "--no-header" argument.
1011 * NEWS: Various updates.
1013 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1015 * config/sparc/sparc.c (arith_operand, const64_operand,
1016 const64_high_operand, arith_double_4096_operand): Mark mode as
1018 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
1020 (sparc_emit_set_const64): Remove unused variable i.
1021 (sparc_splitdi_legitimate): Likewise for addr_part.
1022 (ultra_code_from_mask): Likewise for mask.
1023 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
1024 reverse return values so it matches usage and comments.
1025 (ultra_flush_pipeline): Likewise.
1026 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
1027 this_type, and allow loads and stores of differing FP modes as
1028 they do not create a conflict.
1029 (ultra_find_type): Initialize fpmode to SFmode, fix
1030 parenthesization thinkos in large conditional.
1031 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
1032 Init free_slot_mask after ultra_cur_hist is reset, not before.
1033 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
1034 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
1035 use ultra_flush_pipeline instead, then re-init group pointer.
1036 Fix statement with no effect. If no progress made in, and no
1037 instructions scheduled at all, advance to new pipeline cycle else
1038 we get into an endless loop.
1039 (ultrasparc_adjust_cost): Remove previous arg.
1040 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
1042 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
1044 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
1045 code. Use reg_overlap_mentioned_p to detect when source and
1046 destination overlap.
1047 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
1049 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
1051 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
1052 COMPARISON_VAL, into invariant_p.
1054 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1056 * regmove.c (regclass_compatible_p): New function.
1057 (regmove_optimize): Use it.
1059 Use NREGS parameter insted of calling max_reg_num.
1061 (fixup_match_1): Don't use code = MINUS when later tieing with
1062 a hard register is likely.
1064 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1066 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
1067 COMPARISON_VAL was normalized.
1069 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
1071 * loop.c (check_dbra_loop): The loop ending comparison value
1072 must be an invariant or we can not reverse the loop.
1074 * loop.c (scan_loop): Count down from max_reg_num - 1 to
1075 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
1077 (load_mems_and_recount_loop_regs_set): Likewise.
1079 * i386.c (print_operand): Remove obsolete 'c' docs.
1081 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
1083 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
1084 * frame.c (init_object_mutex): New function.
1085 (init_object_mutex_once): Likewise.
1086 (find_fde): Call it.
1087 (__register_frame_info): Likewise.
1088 (__register_frame_info_table): Likewise.
1089 (__deregister_frame_info): Likewise.
1091 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
1093 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
1095 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1097 * loop.c (check_dbra_loop): Enable code for reversal
1098 of some loops without a known constant loop end.
1100 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
1102 * haifa-sched.c (last_clock_var): New.
1103 (schedule_block): Initialize it.
1104 (schedule_insn): Use it to fill insn modes with issue information.
1106 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
1107 Tag trapb and next insn with TImode.
1108 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
1109 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
1110 Invoke alphaev5_align_insns as appropriate.
1111 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
1112 (MD_SCHED_VARIABLE_ISSUE): New.
1113 * alpha.md (attr type): Add multi.
1114 (define_asm_attributes): New.
1115 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
1116 (arg_home): Likewise.
1117 (fnop, unop, realign): New.
1119 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
1121 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
1122 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
1124 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
1125 (rs6000-ibm-aix4.[12]*): Likewise.
1126 * configure: Regnerate.
1128 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
1130 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
1131 already contains the return address.
1133 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
1135 * calls.c (expand_call): Use bitfield instructions to extract/deposit
1136 word sized hunks when loading unaligned args into registers.
1138 * haifa-sched.c (sched_analyze_insn): Only create scheduling
1139 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
1141 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
1143 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1145 * loop.c (check_dbra_loop): Add some code that would allow reversal
1146 of some loops without a known constant loop end if it were enabled.
1148 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
1150 * mips.md (lshrsi3_internal2+2): Fix type-o.
1152 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1154 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
1155 correctly with regards to stdio.h.
1157 * calls.c: Remove stdarg.h/varargs.h.
1160 * combine.c: Likewise.
1161 * cpperror.c: Likewise.
1162 * cpplib.c: Likewise.
1163 * cpplib.h: Likewise.
1164 * doprint.c: Likewise.
1165 * emit-rtl.c: Likewise.
1166 * final.c: Likewise.
1167 * fix-header.c: Likewise.
1169 * genattr.c: Likewise.
1170 * genattrtab.c: Likewise.
1171 * gencodes.c: Likewise.
1172 * genconfig.c: Likewise.
1173 * genemit.c: Likewise.
1174 * genextract.c: Likewise.
1175 * genflags.c: Likewise.
1176 * genopinit.c: Likewise.
1177 * genoutput.c: Likewise.
1178 * genpeep.c: Likewise.
1179 * genrecog.c: Likewise.
1180 * mips-tfile.c: Likewise.
1181 * prefix.c: Likewise.
1182 * protoize.c: Likewise.
1183 * regmove.c: Likewise.
1184 * toplev.c: Likewise.
1187 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1189 * config/sparc/sparc.c (sparc_override_options): If not
1190 TARGET_FPU, turn off TARGET_VIS.
1191 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
1192 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
1193 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
1194 (movdi_insn_sp64): Add VIS fzero alternative.
1195 (clear_sf, clear_df): New VIS patterns.
1196 (movsf, movdf expanders): Allow fp_zero_operand flat out when
1198 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
1200 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
1202 * loop.c (n_times_set, n_times_used, may_not_optimize,
1203 reg_single_usage): Convert to varrays. All uses changed.
1204 (insert_loop_mem): Return a value.
1205 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
1206 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
1209 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
1212 * configure.in: Do not set thread_file to "irix" since no such
1215 * sparc.md (float abs/neg splits): Check reload_completed before
1216 calling alter_subreg.
1218 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1220 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
1222 * config/sparc/sparc.h: Declare it.
1223 * config/sparc/sparc.md (float abs/neg splits): Use it.
1224 (all other splits): Handle SUBREGs properly where necessary.
1225 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
1227 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
1229 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
1230 an insn on the unfilled_slots_list that has no delay slots.
1231 (fill_eager_delay_slots): Similarly.
1233 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
1235 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
1236 as an ordinary operand.
1238 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
1240 * tree.c (valid_machine_attribute): Don't apply attributes to both
1243 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
1245 * reload.c (operands_match_p): Handle rtvecs.
1247 * i386.c (legitimate_pic_address_disp_p): New.
1248 (legitimate_address_p): Use it.
1249 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
1250 Handle constant pool symbols just like statics.
1251 (emit_pic_move): Use Pmode not SImode for clarity.
1252 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
1253 [UNSPEC]: New, handling what we killed above.
1254 [PLUS]: Detect and abort on invalid symbol arithmetic.
1255 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
1257 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
1259 * alias.c: Include output.h.
1260 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
1261 different if we're in a varargs function.
1262 * Makefile.in (alias.o): Depend on output.h
1264 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1266 * sh.h (GIV_SORT_CRITERION): Delete.
1268 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
1270 * regclass.c (regclass): Use xmalloc/free instead of alloca.
1271 * stupid.c (stupid_life_analysis): Ditto.
1272 * reload1.c (reload): Ditto.
1274 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1276 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
1277 arith_double_4096_operand, arith_double_add_operand): New
1279 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
1280 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
1281 them to transform add/sub 4096 into add/sub -4096.
1283 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1285 * loop.c (scan_loop): Allocate some slop to handle pseudos
1286 generated by move_movables.
1287 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
1290 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
1292 * tree.def (DECL_RESULT): Correct documentation.
1294 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1296 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
1297 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
1298 conflicts will all RELOAD_FOR_OUTPUT reloads.
1300 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
1301 loads the function result, substitute with a USE.
1303 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1305 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
1306 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
1307 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
1308 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
1309 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
1310 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
1312 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
1313 'o' to 'm' for GPR variant constraints.
1315 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
1317 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
1319 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
1321 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
1322 when the source and destination overlap.
1324 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
1325 clash with global type.
1327 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
1329 * fixinc.irix: Add curses.h handling from fixinc.wrap.
1331 * c-common.c (combine_strings): Also set TREE_READONLY.
1332 Change warn_write_strings to flag_const_strings.
1333 * c-decl.c, c-tree.h: Likewise.
1335 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1337 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
1338 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
1339 sequence, use SET/IOR instead so CSE can see it.
1340 * config/sparc/sparc.md (movhi_const64_special,
1341 movsi_const64_special): New patterns necessitated by that change.
1342 (movhi_high): Remove.
1343 (movhi_lo_sum): Change to match an IOR.
1344 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
1345 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
1346 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
1347 (movdf splits): Allow when not V9 or when not ARCH64 and integer
1348 registers are involved.
1349 (snesi_zero_extend split): Remove reload_completed test.
1350 (unnamed plus and minus zero_extend sidi splits): Add it.
1352 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
1354 * extend.texi: Remove description of extension to explicit
1355 instantiation that is now endorsed by standard C++.
1357 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1359 * config/arc/arc.c (arc_initialize_pic): Remove.
1360 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
1361 nothing on any platform and is invoked by no-one, it does not even
1362 appear in the documentation.
1363 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
1364 * config/sparc/sparc.c (initialize_pic): Likewise.
1365 (find_addr_reg): Remove this as well, no longer referenced after
1368 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
1370 * recog.c (validate_replace_rtx_group): New function.
1371 * recog.h (validate_replace_rtx_group): Declare it.
1372 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
1373 the entire group of substitutions.
1375 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
1377 * loop.c (load_mems): Fix initializers.
1379 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1381 * config/sparc/sparc.md (TFmode splits): Handle destination
1382 registers being referenced in the address correctly.
1384 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
1385 TREE_UNSIGNED, when bitsize of type's mode is larger than
1386 HOST_BITS_PER_WIDE_INT.
1388 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1390 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
1391 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
1392 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
1394 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
1397 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
1399 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
1400 * h8300.h (TINY_DATA_NAME_P): Likewise.
1401 (STRIP_NAME_ENCODING): Handle '&'.
1403 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
1404 register (it could be accessed via an outer SUBREG).
1405 (REG_OK_FOR_BASE_P): Likewwise.
1406 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
1408 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
1411 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
1413 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1415 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
1416 must be offsettable so the splits can be made.
1418 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
1420 * config/i386/winnt.c: Include system.h, not stdio.h to get
1421 sys/param.h pulled in before rtl.h in case the system defines MIN
1424 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
1426 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
1428 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
1430 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
1432 * cpplib.c (cpp_define): Handle macros with parameters.
1434 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1436 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
1437 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
1438 and DImode 64-bit. Use llong for minimal-toc SFmode and
1439 SYMBOL_REF / LABEL_REF 64-bit.
1440 (output_function_profiler): Use llong for profiler label and ld to
1441 load 64-bit label address.
1443 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
1445 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
1448 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
1450 * version.c: Bump for snapshot.
1452 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
1454 * version.c: Bump for snapshot.
1456 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
1458 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
1460 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
1462 * tm.texi (Misc): Fix typo "teh".
1464 * tm.texi (PIC): Fix typo "PPIC".
1466 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
1467 effect when -O2 and higher.
1468 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
1470 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
1472 * regclass.c: Changed register set documentation to be consistent
1475 * final.c (final_start_function) Removed redundant test for
1478 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
1480 * rtl.h (rtx_function): New type.
1481 (for_each_rtx): New function.
1482 * rtlanal.c (for_each_rtx): Define it.
1484 * recog.c (change_t): New type.
1485 (change_objects, change_old_codes, change_locs, change_olds):
1487 (changes): New variable.
1488 (validate_change): Dynamically allocate room for more changes, if
1489 necessary. Uses changes array instead of change_objects, etc.
1490 (apply_change_group): Use changes array instead of
1491 change_objects, etc.
1493 * loop.c (loop_mem_info): New type.
1494 (loop_mems): New variable.
1495 (loop_mems_idx): Likewise.
1496 (looop_mems_allocated): Likewise.
1497 (scan_loop): Remove nregs parameter.
1498 (next_insn_in_loop): New function.
1499 (load_mems_and_recount_loop_regs_set): Likewise.
1500 (load_mems): Likewise.
1501 (insert_loop_mem): Likewise.
1502 (replace_loop_mem): Likewise.
1503 (replace_label): Likewise.
1504 (INSN_IN_RANGE_P): New macro.
1505 (loop_optimize): Don't pass max_reg_num() to scan_loop.
1506 (scan_loop): Remove nregs parameter, compute it after any new
1507 registers are created by load_mems. Use INSN_IN_RANGE_P and
1508 next_insn_in_loop rather than expanding them inline. Call
1509 load_mems to load memory into pseudos, if appropriate.
1510 (prescan_loop): Figure out whether or not there are jumps from the
1511 loop to targets other than the label immediately following the
1512 loop. Call insert_loop_mem to notice all the MEMs used in the
1513 loop, if it could be safe to pull MEMs into REGs for the duration
1515 (strength_reduce): Use next_insn_in_loop. Tweak comments.
1517 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
1519 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
1521 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1523 * config/sparc/sparc.c (finalize_pic): Check for the correct
1524 nonlocal_goto_receiver UNSPEC number.
1525 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
1526 making note of this dependency existing in sparc.c
1527 (negtf2_notv9 split): Give NEG SFmode.
1528 (negsf2): Fix insn output string.
1530 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
1532 * c-common.c (decl_attributes): Issue an error if the argument
1533 to alias is not a string.
1535 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
1537 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
1538 pending memory flush list.
1540 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
1542 (try_combine): Allow combining insns with REG_LIBCALL notes.
1544 * expr.c (emit_block_move): Do not call memcpy as a libcall
1545 instead build up a CALL_EXPR and call it like any other
1547 (clear_storage): Similarly for memset.
1549 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
1552 * Makefile.in (cplus-dem.o): Provide explicit rules for building
1555 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
1556 and REG_LIVE_LENGTH as successful substitutions are made.
1558 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1560 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
1561 statement after end of loop label.
1563 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1565 * config/sparc/sparc.c (ultra_types_avail): New variable.
1566 (ultra_build_types_avail): New function to record mask of insn
1567 types in ready list at this cycle.
1568 (ultrasparc_sched_reorder): Call it.
1569 (ultra_find_type): Use it to quicken the search. Also simplif
1570 dependency check, don't use rtx_equal_p because we know exactly
1571 what we are looking for.
1573 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
1575 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
1576 for architecture v4.
1578 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1580 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
1582 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
1583 movdf_const_intreg and helper splits): New patterns to move float
1584 constants into integer registers.
1585 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
1588 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
1591 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
1593 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
1595 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
1596 a BASE_REGS register is needed as an intermediate when copying
1597 a symbolic value into any register class other than BASE_REGS.
1599 * expr.c (move_by_pieces): No longer static. Remove prototype.
1600 * rtl.h (move_by_pieces): Add extern prototype.
1601 * mips.c (expand_block_move): Handle aligned straight line copy by
1602 calling move_by_pieces.
1604 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
1607 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
1609 * stmt.c (expand_end_loop): Tidy. Allow unconditional
1610 jumps out of the loop to be treated as part of the exit test.
1612 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1613 Jeff Law <law@cygnus.com>
1615 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
1616 * cplus-dem.c: Delete.
1618 * Makefile.in (fold-const.o): depend on $(RTL_H).
1620 * fold-const.c: Include rtl.h to get the prototype for
1621 `set_identifier_local_value'.
1623 * loop.c (express_from_1): Remove unused variable `tmp'.
1624 (combine_givs): cast the first argument of bzero to char *.
1626 * toplev.c (display_help): Remove unused variable `looking_for_start'.
1628 * c-decl.c (init_decl_processing): Remove unneeded &.
1630 * alpha.h (alpha_initialize_trampoline): Provide prototype.
1632 * except.c (set_exception_lang_code, set_exception_version_code):
1633 Change parameter from `short' to `int' to avoid using a gcc
1636 * except.h (set_exception_lang_code, set_exception_version_code):
1637 Likewise for prototypes.
1639 * flow.c (count_reg_references): Remove unused variables `regno'
1642 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
1644 * prefix.c (translate_name): Cast the result of `alloca'.
1646 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
1648 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1650 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
1652 (valid_dbcc_comparison_p): Mark mode argument as unused.
1653 (symbolic_operand): Likewise.
1654 (legitimize_pic_address): Likewise.
1655 (const_uint32_operand): Likewise.
1656 (const_sint32_operand): Likewise.
1657 * sched.c [!INSN_SCHEDULING]: Define only dummy function
1658 schedule_insns and comment out rest of file.
1660 * m68k.c (output_move_simode_const): Use subl to move a zero into an
1662 (output_move_[hq]imode): Likewise.
1664 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
1666 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
1667 * invoke.texi: Corresponding changes.
1669 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
1671 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
1673 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1675 * config/sparc/sparc.c (ultra_code_from_mask,
1676 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
1677 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
1678 ultrasparc_sched_init, ultrasparc_variable_issue,
1679 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
1680 functions to describe UltraSPARC pipeline exactly to Haifa.
1681 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
1682 as there is nothing the scheduler can do about it. Indicate that
1683 REG_DEP_OUTPUT's collide. Fixup formatting.
1684 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
1685 divide costs on Ultra for DImode.
1686 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
1688 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
1689 ieuN and add call_no_delay_slot to type list.
1690 (cti function unit): New unit for branches on UltraSPARC.
1691 (subx/addx insns): Set type to misc.
1692 (sidi zero/sign extension insns on arch64): Set type to shift.
1693 (sign_extendhidi2_insn): Set type to sload.
1695 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
1697 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
1698 (output_epilog): Use if != 0 for offset.
1699 (rs6000_fatal_bad_address): Prepare for Intl.
1700 * rs6000.h (rs6000_fatal_bad_address): Declare.
1701 * rs6000.md (movsfcc, movdfcc): Use else if.
1702 (elf_high): Use {liu|lis}.
1703 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
1704 (movsi): Use rs6000_fatal_bad_address.
1706 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
1708 * reload.c (find_equiv_reg): Reject equivalences separated
1709 by a volatile instruction.
1711 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1713 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
1715 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
1717 * alpha.md (movsicc): Fix mode mismatch.
1719 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
1721 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
1723 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
1725 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1727 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
1728 write-only modifier from operand 1 constraint.
1730 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1732 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
1733 emitting a XOR of -1 at the end, emit a NOT instead for combine's
1735 (sparc_emit_set_const64): Likewise, also when computing trailing
1736 bits do not negate low_bits and make fast_int an int.
1738 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
1740 * loop.c (add_label_notes): Do not ignore references to labels
1741 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
1742 * gcse.c (add_label_notes): Similarly.
1744 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
1746 * m68k.md (adddi_dilshr32): One of the operands must be a register.
1747 (adddi_dishl32): Similarly.
1749 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
1751 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
1752 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
1753 * cse.c (cse_basic_block): Add parens to shut up warnings.
1755 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1757 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
1758 sparc_emit_set_const64_longway, const64_is_2insns,
1759 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
1760 in 64-bit constant formation.
1761 * config/sparc/sparc.md (snesi_zero_extend split): Generate
1762 rtl for addx not subx.
1763 (define_insn movdi_const64_special): Make available even when
1764 HOST_BITS_PER_WIDE_INT is not 64.
1765 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
1766 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
1767 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
1768 instances of operand 1 inside a QI subreg.
1769 (xordi3_sp64_dbl): Remove '%' constraint for op1.
1770 (one_cmpldi2_sp64): Fix output string.
1771 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
1773 (unnamed arch64 ashift DI): Truncate shift count if greater than
1776 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1778 * expr.c (store_expr): Don't optimize away load-store pair
1779 when either source or destination have a side effect.
1781 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
1783 * genrecog.c (add_to_sequence): Fatal error if the modes of the
1784 operands of SET are incompatible.
1786 * alpha.md: Fix max and min patterns so modes of SET operands match.
1788 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
1790 * configure.in: Avoid [[ by using test and changequote.
1791 * configure: Rebuild.
1793 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1795 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
1797 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
1798 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
1799 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
1800 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
1801 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
1802 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
1803 Fix mismatching modes in SET operands.
1804 (conditional move patterns): Fix formatting.
1805 (unnamed subx arch64 pattern): Remove duplicate insn.
1807 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1809 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1810 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
1811 (input_operand): Fixup test for what we accept for constant
1813 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
1815 (safe_constDI): Remove.
1816 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
1817 gen_safe_XOR64): New functions.
1818 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
1819 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
1821 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
1822 available when HOST_BITS_PER_WIDE_INT is not 64.
1823 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
1824 move before movdi_insn_sp64 pattern.
1825 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
1826 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
1827 symbolic_operand as predicate for second operand.
1828 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
1829 expander): Give set VOIDmode.
1831 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
1833 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
1835 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
1837 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
1839 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
1841 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
1843 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
1845 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
1847 * install.texi: Various SCO OpenServer tweaks.
1849 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
1851 * reload1.c (eliminate_regs_in_insn): Handle another case when
1852 eliminating the frame pointer to the hard frame pointer. Add
1853 missing ep->to_rtx check to one existing case.
1855 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
1857 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
1859 * tree.h: De-conditionalize init_priority code.
1861 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
1862 * collect2.c (NM_FLAGS): Change from -p to -n.
1864 * configure.in: Turn on collect2 for mipstx39-elf.
1865 Handle use_collect2=no properly.
1867 * c-common.c: De-conditionalize init_priority code.
1868 * collect2.c (extract_init_priority, sort_ids): New fns.
1869 (main): Call sort_ids.
1870 Move sequence_number to file scope.
1872 * configure.in: Handle --enable-init-priority.
1873 * c-common.c (attrs): Add A_INIT_PRIORITY.
1874 (init_attributes, decl_attributes): Likewise.
1875 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
1876 * tree.c (get_file_function_name_long): Split out...
1877 (get_file_function_name): ...from here.
1879 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
1881 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
1884 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
1886 * toplev.c (display_help): Add braces to shut up warnings.
1887 * tree.c (simple_cst_equal): Likewise.
1889 * fold-const.c (non_lvalue): Don't deal with null pointer
1891 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
1893 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
1894 of any size to a pointer.
1896 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
1898 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
1900 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
1902 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
1903 which will be saved.
1904 * mn10300.md (prologue insn): Only save registers which need saving.
1905 (epilogue insn): Similarly.
1907 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
1910 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
1912 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
1913 VAR_DECL's in gp addressable sections.
1915 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
1917 * sparc.c: Change return <exp> to <exp>; return; in functions
1919 * sparc.md: Add empty semicolon statement after final label in
1922 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1924 * config/sparc/sparc.md (define_insn addx_extend): Rename to
1925 addx_extend_sp64, only allow when TARGET_ARCH64.
1926 (define_insn addx_extend_sp32 and split): Version that works when
1928 (define_insn subx_extend): Likewise.
1929 (define_split adddi3 and subdi3 with zero extension): Fixup and
1930 correct bugs when not TARGET_ARCH64.
1932 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
1934 * except.c (set_exception_lang_code, set_exception_version_code):
1935 Use prototype-style definition if __STDC__, to match declaration
1938 * genemit.c: Change FAIL and DONE macros not to use loops.
1940 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
1942 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
1943 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
1945 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
1947 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
1949 * README.g77: Update from Craig.
1951 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1953 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
1955 (safe_constDI sparc_emit_set_const64_quick1,
1956 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
1957 analyze_64bit_constant, const64_is_2insns,
1958 create_simple_focus_bits): Fix some bugs when compiled on real
1960 (function_arg_record_value_3, function_arg_record_value_2,
1961 function_arg_record_value): Add fully prototyped forward decls.
1962 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
1963 to cmpsi_insn and use on both 64 and 32 bit targets.
1964 (define_insn cmpsi_insn_sp64): Remove.
1965 (define_expand zero_extendsidi2): Allow for 32-bit target too.
1966 (define_insn zero_extendsidi2_insn): Rename to
1967 zero_extendsidi2_insn_sp64.
1968 (define_insn zero_extendsidi2_insn_sp32): New pattern and
1969 assosciated forced split for it.
1971 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1973 * config/sparc/sparc.h: Declare them.
1974 (PREDICATE_CODES): Add them.
1975 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
1976 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
1978 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
1980 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
1981 in v9 case as the latter makes the Solaris assembler crash.
1983 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1985 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
1986 for TFmode when !v9. We require offsettable memory addresses.
1987 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
1988 DFmode register number conversions.
1989 * config/sparc/sparc.md (define_split DFmode moves): If register
1990 is a SUBREG do alter_subreg on it before using.
1991 (define_expand movtf): Fixup comment about alignment on v9.
1992 (define_split TFmode moves): Don't use gen_{high,low}part, create
1993 explicit SUBREGs instead.
1995 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
1997 * Makefile.in (mbchar.o): Depend on mbchar.c.
1999 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2000 Richard Henderson <rth@cygnus.com>
2002 Rewrite Sparc backend for better code generation and
2003 improved sparc64 support.
2004 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
2006 * config/sparc/sysv4.h: Likewise.
2007 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
2008 move_operand, v8plus_regcmp_op, emit_move_sequence,
2009 singlemove_string, doublemove_string, mem_aligned_8,
2010 output_move_double, output_move_quad, output_fp_move_double,
2011 move_quad_direction, output_fp_move_quad, output_scc_insn):
2013 (small_int_or_double): New predicate.
2014 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
2015 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
2016 old pic_{sethi,lo_sum}_si patterns.
2017 (mem_min_alignment): New generic function to replace
2018 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
2019 available and can test for arbitrary alignments. All callers
2021 (save_regs, restore_regs, build_big_number,
2022 output_function_prologue, output_cbranch, output_return,
2023 sparc_flat_save_restore, sparc_flat_output_function_prologue,
2024 sparc_flat_output_function_epilogue): Prettify
2026 (output_function_epilogue): Likewise and add code to output
2027 deferred case vectors.
2028 (output_v9branch): Likewise, add new arg INSN and use it to tack
2029 on branch prediction settings. All callers changed.
2030 (print_operand): Likewise and output %l44 for LO_SUMs when
2032 (sparc_splitdi_legitimate): New function to make sure DImode
2033 splits can be run properly when !arch64.
2034 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
2035 Reformat example code in comments.
2036 (set_extends): Remove UNSPEC/v8plus_clear_high case.
2037 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
2038 of deferred case vectors we need to output.
2039 (sparc_defer_case_vector): Record a case vector.
2040 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
2041 sparc_output_deferred_case_vectors): New functions to output them.
2042 (sparc_emit_set_const32): New function to form 32-bit constants in
2043 registers when that requires more than one instruction.
2044 (safe_constDI, sparc_emit_set_const64_quick1,
2045 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
2046 analyze_64bit_constant, const64_is_2insns,
2047 create_simple_focus_bits, sparc_emit_set_const64): New functions
2048 which do the same for 64-bit constants when arch64.
2049 (sparc_emit_set_symbolic_const64): New function to emit address
2050 loading for all code models on v9.
2051 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
2052 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
2053 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
2054 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
2055 inaccuracies in comments, add symbolic and text_segment operands
2056 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
2057 GENERAL_REGS in these cases as a temp REG is needed to load these
2058 addresses into a register properly.
2059 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
2061 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
2062 quads are guarenteed to have 16-byte alignment.
2063 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
2064 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
2065 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
2066 deferred case vector implementation.
2067 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
2068 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
2069 Generate "internal label - label" instead of "label - 1b".
2070 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
2071 (PREDICATE_CODES): Remove sparc_operand, move_operand,
2072 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
2074 (doublemove_string, output_block_move, output_fp_move_double,
2075 output_fp_move_quad, output_move_double, output_move_quad,
2076 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
2077 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
2078 (sparc_emit_set_const32, sparc_emit_set_const64,
2079 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
2080 mem_min_alignment, small_int_or_double): Add externs.
2081 * config/sparc/sparc.md: Document the many uses of UNSPEC and
2082 UNSPEC_VOLATILE in this backend.
2083 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
2084 unary to types which execute in it.
2085 (define_function_unit ieu_shift): Rename to ieu0.
2086 (define_function_unit ieu1): New, executes compare, call, and
2087 uncond_branch type insns.
2088 (define_function_units for type fdivs, fdivd, fsqrt): These
2089 execute in the fpu multiply unit not the adder on UltraSparc.
2090 (define_expand cmpdi): Disallow TARGET_V8PLUS.
2091 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
2092 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
2093 allows the arith_double_operand predicate and rHI constraint when
2095 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
2096 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
2097 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
2098 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
2099 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
2100 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
2101 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
2102 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
2103 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
2104 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
2105 sign_extendqihi2_insn, sign_extendqisi2_insn,
2106 sign_extendqidi2_insn, sign_extendhidi2_insn,
2107 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
2108 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
2109 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
2110 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
2111 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
2112 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
2113 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
2114 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
2115 smulsi3_highpart_v8plus, unnamed subreg mult,
2116 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
2117 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
2118 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
2119 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
2120 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
2121 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
2122 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
2123 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
2124 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
2125 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
2126 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
2127 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
2128 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
2129 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
2130 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
2131 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
2132 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
2133 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
2134 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
2135 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
2136 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
2137 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
2138 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
2139 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
2140 call_address_untyped_struct_value_sp32,
2141 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
2142 call_value_symbolic_sp32, call_value_address_sp64,
2143 call_value_symbolic_sp64, branch_sp32, branch_sp64,
2144 flush_register_windows, goto_handler_and_restore,
2145 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
2146 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
2147 return_addsi, return_di, return_adddi, return_sf, all call+jump
2148 peepholes, trap, unnamed trap insns): Prettify output strings.
2149 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
2150 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
2151 Likewise and force + implement splits for integer cases.
2152 (define_insn return_sf_no_fpu): Likewise and allow to match when
2153 no-fpu because of our subreg SFmode splits.
2154 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
2155 zero_extendqidi2_insn, zero_extendhidi2_insn,
2156 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
2157 input_operand for second operand.
2158 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
2159 reg_or_0_operand for operand 2 so new splits can use it.
2160 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
2161 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
2163 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
2164 CONST_DOUBLEs for operand 2.
2165 (define_insn move_label_di): Likewise and label distance
2166 optimization because it no longer works with new deferred case
2167 vector scheme. To be revisited.
2168 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
2169 and allow reg_or_0_operand and J constraint for second operand.
2170 (define_insn jump): Set branch predict taken on V9.
2171 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
2172 new deferred case vector scheme.
2173 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
2174 (define_insn negdi2_sp32): Force + implement splits.
2175 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
2176 one_cmplsi2_not_liveg0 respectively, and create expander of original
2177 names which emit special rtl for TARGET_LIVE_G0.
2178 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
2179 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
2180 gen_compare_reg, FAIL instead.
2181 (define_insn sgtu, sleu): Likewise and check gen_s*() return
2182 values when trying to reverse condition codes, if they FAIL then
2184 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
2185 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
2186 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
2187 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
2188 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
2189 set output string to # to indicate they are mandatory splits.
2190 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
2191 pic_sethi_di, move_pic_label_si): Remove.
2192 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
2193 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
2195 (define_expand movsi_pic_label_ref, define_insn
2196 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
2197 expander and insns to handle PIC label references and deferred
2199 (define_insn get_pc_via_rdpc): Comment out as it is no longer
2201 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
2202 Rewrite to not use emit_move_sequence, make use of new constant
2203 formation code, and new splits for all multi-insn cases.
2204 (define_insn movqi_insn): Remove sethi case, it can never happen.
2205 Use reg_or_zero_operand instead of const0_rtx explicit test,
2206 use input_operand instead of move_operand for source, and use
2207 general_operand now for dest.
2208 (define_insn movhi_insn): Similar but leave sethi case.
2209 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
2210 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
2211 movhi_lo_sum respectively, prettify output string.
2212 (define_insn movsi_zero_liveg0): New pattern to put zero into a
2213 register when needed on TARGET_LIVE_G0.
2214 (define_insn movsi_insn): Use general_operand and input_operand
2215 for dest and src respectively. Simplify applicability test.
2216 Prettify output strings, and add clr alternative for J
2218 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
2219 deprecated std and reg-reg DI moves): Remove and...
2220 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
2221 implementation which uses forced splits for all non-single insn
2223 (define_split DI move cases on !arch64): New splits to handle all
2224 situations of 64-bit double register DImode on 32bit, and
2225 unaligned registers and memory addresses for all subtargets.
2226 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
2228 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
2229 input_operand for dest and src respectively, prettify output
2231 (define_insn movdf_insn, movdf_no_e_insn, store_df,
2232 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
2234 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
2235 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
2236 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
2237 movtf_no_e_insn_sp64) Replace with new
2238 implementation which uses forced splits for all non-single insn
2240 (define_split DF move cases): New splits in similar vein to DI
2242 (define_insn sethi_di_medlow, sethi_di_medium_pic,
2243 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
2244 movdi_sp64_insn): Remove old v9 code model and constant loading
2246 (define_insn pic_lo_sum_di, pic_sethi_di,
2247 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
2248 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
2249 embmedany_sethi, embmedany_losum, embmedany_brsum,
2250 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
2251 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
2252 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
2253 scheme, using unspecs, secondary reloads, and one to one sparc
2254 insn to rtl insn mapping for better scheduling and code gen.
2255 (define_expand reload_indi, reload_outdi): Reload helpers for
2256 MEDANY and EMBMEDANY symbol address loading cases which require a
2258 (define_expand movsicc): Remove v8plus_regcmp cases.
2259 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
2260 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
2261 cmp_diqi_trunc_set): New patterns used by some of the new scc
2263 (define_insn xordi3_sp64_dbl): New pattern used for constant
2264 formation when crossing from 32-bit targets.
2265 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
2267 (define_insn addx, subx): Make visible and prettify.
2268 (define_insn adddi3_insn_sp32): Likewise and force split.
2269 (define_insn addx_extend, subx_extend, unnamed): New patterns for
2270 64bit scc split usage.
2271 (define_insn unnamed plusDI zero_extend, unnamed minusDI
2272 zero_extend, subdi3): Force and implement splits.
2274 * final.c (final_scan_insn): Don't output labels if target
2275 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
2278 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
2279 don't forget to walk inside SEQUENCESs too as these are what the
2280 delay slot scheduler will create.
2282 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
2284 * alpha.md (extxl+1,+2): New patterns to work around
2287 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
2289 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
2290 caused bad assembly code to be generated.
2292 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
2294 * netbsd.h: Fix typo.
2296 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
2298 * config.sub: Fix typo.
2300 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
2302 * invoke.texi (Environment Variables): Typo: Change "ascpects"
2304 (Running Protoize): Typo: Change "ther" into "other".
2306 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
2308 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
2309 * m68k/netbsd.h: Likewise.
2310 * ns32k/netbsd.h: Likewise.
2311 * sparc/netbsd.h: Likewise.
2313 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
2315 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
2316 * ginclude/va-clipper.h (va_list): Likewise.
2318 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
2320 * rs6000.c (rs6000_override_options): If big endian and -Os, use
2321 load/store multiple instructions unless user overrides.
2323 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
2325 * ns32k/netbsd.h: Fix typo.
2327 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
2329 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
2330 labels with .debugsym if no parallel insns.
2332 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
2334 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
2335 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
2337 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
2339 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
2340 (AR_FOR_TARGET): Define.
2342 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
2344 * dyn-string.h: New file.
2345 * dyn-string.c: Likewise.
2346 * Makefile.in (OBJS): Add dyn-string.o.
2347 (dwarf2out.o): Add dyn-string.h dependency.
2348 (dyn-string.o): List dependencies.
2349 * dwarf2out.c: Include dyn-string.h.
2350 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
2351 (addr_const_to_string): Take a dyn_string_t, not a char* as a
2352 prototype. Use dyn_string_append rather than strcat, throughout.
2353 (addr_to_string): Use dyn_string_t.
2355 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
2357 Function entry/exit profiling instrumentation:
2358 * expr.h (profile_function_entry_libfunc,
2359 profile_function_exit_libfunc): Declare new variables.
2360 * optabs.c: Define them here.
2361 (init_optabs): Initialize them.
2362 * tree.h (struct tree_decl): New flag
2363 no_instrument_function_entry_exit.
2364 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
2365 * c-decl.c (duplicate_decls): Merge it.
2366 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
2367 (init_attributes): Use it for "no_instrument_function".
2368 (decl_attributes): Handle it, for functions that have not yet been
2369 compiled. Set decl flag.
2370 * flags.h (flag_instrument_function_entry_exit): Declare new
2372 * toplev.c (flag_instrument_function_entry_exit): Define it here.
2373 (f_options): New option "instrument-functions".
2374 * function.h (struct function): New field instrument_entry_exit.
2375 * function.c (current_function_instrument_entry_exit): New
2377 (push_function_context_to, pop_function_context_from): Save and
2379 (expand_function_start): Set current_ variable, maybe emit return
2380 label and entry profile call.
2381 (expand_function_end): Maybe emit exit profile call.
2383 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
2385 * i386.md (movqi): When optimizing a load of (const_int 1) into a
2386 NON_QI_REG_P, pretend the register is SImode.
2388 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
2390 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
2391 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
2392 manufacturer id for ns32k.
2393 * configure: Regenerated.
2394 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
2395 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
2396 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
2397 * config/m68k/netbsd.h: Same.
2398 * config/ns32k/netbsd.h: Same.
2399 * config/sparc/netbsd.h: Same.
2401 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
2403 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
2404 or UNROLL_COMPLETELY loop that starts with a jump to its
2407 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
2409 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
2410 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
2411 (print_operand, case 'B'): Don't fall through.
2412 (print_operand, case 'S'): Correct mask begin/end computation.
2413 Use HOST_BITS_PER_WIDE_INT.
2414 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
2415 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
2416 * rs6000/aix41.h (CPP_PREDEFINES): Same.
2417 * rs6000/aix43.h (CPP_PREDEFINES): Same.
2419 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
2421 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
2422 constraint from second alternative.
2424 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2426 * configure.in: Fix --without/--disable cases for local-prefix,
2427 gxx-include-dir and checking.
2429 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2431 * configure.in (enable_haifa): Set by default for sparc64 too.
2434 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2436 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
2437 * i386/winnt.c (associated_type): New fn.
2438 (i386_pe_valid_type_attribute_p): New fn.
2439 (i386_pe_check_vtable_importexport): Remove.
2440 (i386_pe_dllexport_p): Use associated_type.
2441 (i386_pe_dllimport_p): Likewise.
2443 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
2444 * i386.c (i386_valid_type_attribute_p): Also accept
2445 attributes for METHOD_TYPEs.
2447 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
2449 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
2451 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
2453 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
2455 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
2456 them from generating a new base name for each occurence of
2459 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
2461 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
2463 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
2467 * cplus-dem.c (type_kind_t): New type.
2468 (demangle_template_value_parm): Add type_kind_t parameter. Rely
2469 on this paramter, rather than demangling the type again.
2470 (demangle_integral_value): Pass tk_integral.
2471 (demangle_template_: Pass the value returned from do_type.
2472 (do_type): Return a type_kind_t. Pass tk_integral to
2473 demangle_template_value_parm for array bounds.
2474 (demangle_fund_type): Likewise.
2476 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
2478 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
2481 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
2483 * pa.c (move_operand): Accept CONSTANT_P_RTX.
2485 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
2487 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
2489 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
2492 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
2494 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
2495 (DEBUGGER_ARG_OFFSET): Likewise.
2497 * mn10300.md (movsf): Remove last change. Not needed.
2499 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
2501 * c-lex.c (yylex): Fix boundary conditions in character literal and
2502 string literal loops.
2504 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
2506 * longlong.h (count_leading_zeros): Sparclite scan instruction was
2507 being invoked incorrectly.
2509 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
2510 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
2512 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
2513 * configure.in: Added i[34567]86-*-win32
2514 * config.sub: Ditto.
2515 * configure: Rebuilt.
2517 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
2519 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
2520 the frame pointer and compiling PIC code and reload has not completed.
2522 * i386.c (output_to_reg): Add code to emulate non-popping DImode
2525 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
2527 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
2529 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2531 * Makefile.in (install-info): Only try to update the info
2532 directory file if it exists in the first place.
2534 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
2536 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
2538 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
2540 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
2541 CONST_DOUBLE source.
2543 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
2545 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
2546 strings as the insertion of USER_LABEL_PREFIX.
2547 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
2549 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
2552 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
2554 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
2555 already defined type.
2557 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
2559 * expr.c (check_max_integer_computation_mode): Allow conversions
2560 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
2561 (expand_expr): Likewise.
2563 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2565 * expr.c (expand_expr): Expand RETURN_EXPR.
2567 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
2569 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
2571 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
2573 * dwarf2out.c (output_aranges): Call stripattributes
2574 for TEXT_SECTION references.
2575 (output_line_info): Likewise.
2577 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2579 * profile.c (branch_prob): Call allocate_reg_info after outputting
2580 profile rtl in instrument_arcs.
2582 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
2584 * fixinc.irix (math.h): Install wrapper instead of copying.
2586 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2588 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
2589 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
2590 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
2591 lang_flag_0. Added documentation in the flag table.
2593 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
2595 * cccp.c (do_include): Fix vax c style include handling.
2597 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2599 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
2601 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
2603 * fold-const.c (non_lvalue): Don't deal with null pointer
2605 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
2607 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
2609 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
2610 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
2611 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
2612 (u_short_cint_operand): Same.
2613 (reg_or_cint_operand): Same.
2614 (logical_operand): Same.
2615 (input_operand): Same.
2616 (reg_or_short_operand): Use u_short_cint_operand.
2618 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
2620 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
2621 but keep the insns and splits. Adjust so when the ultimate destination
2622 is memory, use cvtql.
2624 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
2626 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
2628 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
2630 * gcc.c (do_spec): Call "error" not "warning".
2632 * configure.in: Fix minor problems with gas feature detection code.
2633 * configure: Rebuilt.
2635 * gcc.c (do_spec): Issue a warning for '%[]' usage.
2638 * gcc.c: Delete %[spec] support.
2639 (do_spec_1, case '('): Likewise.
2640 (do_spec_1, case '['): Call error.
2642 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
2644 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
2645 (CPP_SUBTARGET_SPEC): Default to empty string.
2646 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
2647 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
2648 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
2649 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
2651 * alpha/linux.h (CPP_PREDEFINES): Tidy.
2652 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
2653 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
2654 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
2655 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
2656 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
2657 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
2658 * alpha/vxworks.h: Likewise.
2660 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
2662 * mips.md (reload_outsi): Added missing REGNO call.
2663 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
2665 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
2666 another match_operator and compare the codes.
2668 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
2670 * MIPS multiply pattern fixes:
2671 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2672 Add union classes for HI, LO, or HILO plus general registers.
2673 (GENERATE_MADD): Deleted.
2674 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
2675 Add TARGET_MAD to condition.
2676 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
2677 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
2678 "*d" for accumulator, to give preference to LO initially but not
2681 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
2683 * configure.in (enable_c_mbchar): New configure option.
2684 (extra_cpp_objs): Always available now.
2686 * cexp.y (mbchar.h): #include it.
2687 (yylex): Handle Multibyte characters in character literals.
2689 * cccp.c (mbchar.h): #include it.
2690 (main): Set character set based on LANG environment variable.
2691 (rescan): Handle multibyte characters in comments.
2692 (skip_if_group): See above.
2693 (validate_else): See above.
2694 (skip_to_end_of_comment): See above.
2695 (macarg1): See above.
2696 (discard_comments): See above.
2697 (rescan): Handle multibyte characters in string and character literals.
2698 (collect_expansion): See above.
2699 (skip_quoted_string): See above.
2700 (macroexpand): See above.
2701 (macarg1): See above.
2702 (discard_comments): See above.
2703 (change_newlines): See above.
2705 * c-lex.c (mbchar.h): #include it.
2706 (GET_ENVIRONMENT): New macro.
2707 (init_lex): Set character set based on LANG environment variable.
2708 (yylex): Handle multibyte characters in character literals.
2709 (yylex): Handle multibyte characters in string literals.
2711 * Makefile.in (mbchar.o): New target.
2712 (cccp$(exeext)): @extra_cpp_objs@ is always available.
2713 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
2715 * mbchar.[ch]: New files for multibyte character handling.
2717 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2719 * jump.c (jump_optimize): When simplifying noop moves and
2720 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
2721 the PUSHes to rewrite in second loop as we did in the first.
2723 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2725 * cplus-dem.c (demangle_nested_args): Make function definition
2726 static to match the prototype.
2728 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
2730 * alloca.c: Respect USE_C_ALLOCA.
2731 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
2732 * gengenrtl.c (xmalloc): Likewise.
2734 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
2736 * loop.h (struct induction): Add no_const_addval.
2737 * loop.c (the_movables, reg_address_cost): New variables.
2738 (init_loop): Init reg_address_cost.
2739 (loop_optimize): Call end_alias_analysis.
2740 (scan_loop): Init the_movables.
2741 (record_giv): Init induction->no_const_addval.
2742 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
2743 [REG]: Rearrange loop search test to catch more cases.
2744 (general_induction_var): Return success not benefit; take an extra
2745 argument for that. Change all callers.
2746 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
2747 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
2748 [default]: Search the_movables for additional combinations.
2749 (sge_plus_constant, sge_plus): New functions.
2750 (express_from_1): New function.
2751 (express_from): Always define. Rewrite using express_from_1.
2752 (combine_givs_p): Handle more cases. Ignore address cost.
2753 (cmp_combine_givs_stats): New function.
2754 (combine_givs_used_once, combine_givs_benefit_from): New functions.
2755 (combine_givs): Rewrite to do best-fit combination.
2757 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
2758 (fold): Do a complete (A*C)+(B*C) association check.
2760 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
2762 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
2764 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
2766 * mn10300.c (MODES_TIEABLE_P): Fix typo.
2768 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
2770 * tree.c (valid_machine_attribute): Only create a new type variant if
2771 there is a decl to use it.
2773 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
2775 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
2778 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
2780 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
2783 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
2785 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
2786 Simplify tests for clearing an address register.
2787 (expand_prologue): Corresponding changes.
2789 * mn10300.md (movXX patterns): Make sure the destination is an
2790 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
2791 (logical patterns): Split into expanders + patterns
2792 (zero and sign extension patterns): Similarly.
2793 (shift patterns): Similarly.
2795 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
2797 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
2798 for the sequence, recording base values.
2800 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
2802 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
2804 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
2806 * gcc.c: Remove ANSI-C ism from --help code.
2808 * toplev.c: Support --help with USE_CPPLIB.
2810 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
2812 * configure.in: Rework gas feature code to work with symlink based
2815 * extend.texi: Clarify some issues related to local variables
2816 assigned to explicit registers.
2818 * mn10300.md (mulsi): Turn into expander + pattern.
2820 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
2823 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
2825 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
2827 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
2829 * version.c: Bump again to distinguish mainline tree from the
2832 See ChangeLog.0 for earlier changes.
2835 add-log-time-format: current-time-string
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