1 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3 * sh.c (find_barrier): Fix calculations for alignemnt increase.
5 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
7 * Makefile.in (stmp-fixinc): If we're actually fixing include
8 files, copy gcc's assert.h into the fixed include dir.
9 * fixincludes (assert.h): Avoid any attempts to fix a probably
10 broken system specific assert.h file.
11 * fixproto (stdlib.h): Make sure, it'll contain a definition of
14 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
16 * regclass.c (reg_scan_mark_refs): Be more selective about
17 when we mark a register with REGNO_POINTER_FLAG.
19 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
21 reload inheritance improvement:
22 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
23 Change meaning: index is now hard reg number.
24 (reg_reloaded_valid, reg_reloaded_dead): New variables.
25 (reload_spill_index): Content is now a hard reg number.
26 (reload_as_needed): Change to fit new variable meaning.
27 (forget_old_reloads_1, allocate_reload_reg): Likewise.
28 (choose_reload_regs, emit_reload_insns): Likewise.
30 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
32 * regclass.c (record_reg_classes): '?' increases cost by two.
34 * reload.c (find_reloads): Double previous costs. Output
35 reloads cost one unit extra.
37 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
38 boiled down to && ! 0.
40 * reload.c (find_equiv_reg): Also consider a goal offset from the
41 frame pointer to be constant.
43 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
45 * sh.h (OPTIMIZATION_OPTIONS): Define.
47 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
49 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
51 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
53 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
55 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
57 * c-common.c (check_format_info): Initialize type, is_type. New local
58 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
59 when pedantic if used with integral format specifier.
61 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
63 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
65 (function_arg_padding): Declare.
67 * rs6000.c: Include system.h.
68 (function_arg_padding): Change return type to int, cast enum's to
71 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
72 * collect2.c (scan_prog_file): Add explicit braces to avoid
75 * dbxout.c (dbxout_type_fields): Add braces around empty body in
77 (dbxout_type): Likewise.
79 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
80 `ptt_size' from int to size_t.
81 (rs6000_file_start): Likewise for `i'.
82 (rs6000_replace_regno): Add default case in enumeration switch.
83 (output_epilog): Remove unused variable `i'.
84 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
87 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
89 (get_issue_rate, non_logical_cint_operand): Add prototype.
90 (rs6000_output_load_toc_table): Ditto.
92 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
95 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
97 * config/arm/thumb.c: New File. Support for ARM's Thumb
99 * config/arm/thumb.h: New File. Thumb definitions.
100 * config/arm/thumb.md: New File. Thumb machine description.
101 * config/arm/tcoff.h: New File. Thumb COFF support.
102 * config/arm/t-thumb: New File. Thumb makefile fragment.
103 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
105 * configure.in: Add Thumb-coff target.
106 * configure: Add Thumb-coff target.
107 * config.sub: Add Thumb-coff target.
109 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
111 * loop.c (scan_loop): Initialize move_insn_first to zero.
113 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
115 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
116 * config/i386/rtems.h: Likewise.
117 * config/i960/rtems.h: Likewise.
118 * config/m68k/rtems.h: Likewise.
119 * config/mips/rtems64.h: Likewise.
120 * config/pa/rtems.h: Likewise.
121 * config/rs6000/rtems.h: Likewise.
122 * config/sh/rtems.h: Likewise.
123 * config/sparc/rtems.h: Likewise.
125 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
127 * pa.c (emit_move_sequence): If in reload, call find_replacement.
129 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
131 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
133 * collect2.c (find_a_file): Add debugging.
134 (find_a_file): Test for win32 style absolute paths if
135 DIR_SERPARATOR is defined.
136 (prefix_from_string): Add debugging.
137 (main): Test for debug command line switch at start of program
139 (main): Use GET_ENVIRONMENT rather than getenv().
140 (prefix_from_env): Use GET_ENVIRONMENT.
142 1998-03-24 Mark Mitchell <mmitchell@usa.net>
144 * cplus-dem.c (optable): Add sizeof.
145 (demangle_template_value_parm): New function containing code
146 previously found in demangle_template.
147 (demangle_integral_value): New function which handles complicated
148 integral expressions.
149 (demangle_template): Use them.
151 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
153 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
154 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
155 genattrtab.o, genoutput.o): Depend on system.h.
157 * genattr.c: Include system.h. Add arguments to various function
158 prototypes. Remove redundant prototype of read_rtx().
159 * genattrtab.c: Likewise.
160 * gencodes.c: Likewise.
161 * genconfig.c: Likewise.
162 * genemit.c: Likewise.
163 * genextract.c: Likewise.
164 * genflags.c: Likewise.
165 * genopinit.c: Likewise.
166 * genoutput.c: Likewise.
167 * genpeep.c: Likewise.
168 * genrecog.c: Likewise.
170 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
172 * c-lang.c (lang_print_xnode): New function.
173 * objc/objc-act.c (lang_print_xnode): Likewise.
174 * print-tree.c (print_node): Call it
176 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
178 * c-parse.in: Recognize protocol qualifiers in class
179 definitions for objc.
181 (yyerror): Remove redundant decl.
182 (yyprint): Fix prototype.
184 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
186 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
188 * stmt.c (unroll_block_trees): Free block_vector if needed.
190 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
192 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
193 (zero_extendsidi2): Avoid useless copy.
194 (iordi_zext): New pattern.
195 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
197 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
199 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
200 (ashldi3): Allow constant shift count in range ]32,63].
201 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
203 1998-03-22 Mark Mitchell <mmitchell@usa.net>
205 * tree.h (IS_EXPR_CODE_CLASS): New macro.
207 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
209 * h8300.h (CONST_COSTS): Remove definition.
210 (DEFAULT_RTX_COSTS): Define.
212 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
214 * config/sh/rtems.h: Switched from ELF to COFF.
216 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
218 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
220 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
222 * version.c: Bump for snapshot.
224 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
225 Geoff Noer <noer@cygnus.com>
227 * Makefile.in: Various fixes for building cygwin32 native toolchains.
229 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
230 * objc/Make-lang.in: Likewise.
232 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
234 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
236 * configure.in: Handle with-PACKAGE=no correctly
238 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
240 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
241 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
242 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
243 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
244 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
245 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
246 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
247 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
248 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
249 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
252 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
253 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
254 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
255 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
256 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
257 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
258 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
259 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
260 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
261 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
262 xcoffout.c: Include system.h. Organize include ordering so
263 that stdarg/varargs comes before other system headers. Remove
264 spurious casts of functions assured of a prototype in system.h.
266 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
268 * reg-stack.c (pop_stack): Define. Pops any register on the
269 regstack and adjusts regstack.
270 (compare_for_stack_reg): Use pop_stack.
272 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
274 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
277 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
279 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
281 * fold-const.c (fold): Replace sign-extension of a zero extended
282 value by a single zero extension.
284 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
286 * except.c (init_eh): Do nothing.
287 (save_eh_status): Call init_eh_for_function, not init_eh.
288 * function.c (push_function_context_to): Don't call init_emit.
290 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
292 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
295 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
297 * final.c (shorten_branches): Add parentheses around +/- in
300 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
302 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
304 * regclass.c (memory_move_secondary_cost): Wrap uses of
305 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
308 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
310 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
312 * flow.c (life_analysis): #include <sys/types.h> to make sure
314 * cplus-dem.c (demangle_function_name): Likewise.
316 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
318 * final.c (insn_noperands): Change type to unsigned int.
319 (final_scan_insn): Likewise for noperands;
320 properly check operand number boundaries.
322 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
324 * alpha.md (extzv): Don't reject register operands. Fix
327 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
329 * dbxout.c (dbxout_function_end): Fix last change. The correct
330 predicate is ASM_OUTPUT_SECTION_NAME.
332 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
334 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
335 (ashlsi): Use match_dup 1 instead of match_operand 2.
337 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
339 * fold-const.c (operand_equal_for_comparison_p): See if equal
340 when nop conversions are removed.
342 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
344 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
345 don't use ORIGINAL_TARGET unless REG.
347 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
349 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
351 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
353 * loop.c (struct movable): New field move_insn_first.
354 (scan_loop): In consec sets code, set it. Clear it otherwise.
355 (move_movables): In consec sets code, use it. Copy REG_NOTES from
356 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
359 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
361 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
362 is large, and the system doesn't provide atoll or atoq.
365 * alpha/xm-vms.h (HAVE_ATOLL): Define.
366 Reported by Klaus Kaempf <kkaempf@progis.de>.
368 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
370 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
371 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
373 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
374 test !ACCUMULATE_OUTGOING_ARGS.
376 * collect2.c (write_c_file_glob): Wrap function definition in
377 macro test !LD_INIT_SWITCH.
379 * combine.c (try_combine): Wrap variables `cc_use' and
380 `compare_mode' in macro test EXTRA_CC_MODES.
382 * cpplib.c (do_ident): Remove unused variable `len'.
383 (skip_if_group): Remove unused variables `at_beg_of_line' and
385 (cpp_get_token): Remove unused variable `dummy'.
387 * dbxout.c (scope_labelno): Move static variable definition inside
388 the one function scope where it is used.
389 (dbxout_function_end): Wrap prototype and definition in
390 macro test !NO_DBX_FUNCTION_END.
392 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
393 in macro test !MIPS_DEBUGGING_INFO.
395 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
396 into the scope where it is used. Wrap empty else-statement body
399 * fix-header.c: Fix typo in comment.
400 (inf_skip_spaces): Cast results of INF_UNGET to (void).
401 (check_protection, main): Likewise.
403 * flow.c (find_basic_blocks_1): Remove dangling comment text.
405 * function.c (contains): Wrap prototype and definition in macro
406 test HAVE_prologue || HAVE_epilogue.
407 (fixup_var_refs_1): Remove unused variable `width'.
409 * gen-protos.c (main): Remove unused variable `optr'.
411 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
413 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
414 (__sjpopnthrow): Remove unused variable `jmpbuf'.
415 (__throw): Remove unused variable `val'.
417 * protoize.c: Check for a previously existing definition before
418 defining *_OK macros.
420 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
422 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
424 * vax.h (ADDR_VEC_ALIGN): Define.
426 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
428 * gcc.c (default_arg): Don't wander off the end of allocated
431 (From Geoffrey Keating <geoffk@ozemail.com.au>)
432 * rs6000.c (small_data_operand): Ensure that any address
433 referenced relative to the small data area is inside the SDA.
435 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
437 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
439 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
441 * except.h (in_same_eh_region): New prototype.
442 (free_insn_eh_region, init_insn_eh_region): New prototypes.
443 * except.c (insn_eh_region, maximum_uid): New static variables.
444 (set_insn_eh_region): New static function to set region numbers.
445 (free_insn_eh_region): New function to free EH region table.
446 (init_insn_eh_region): New function to initialize EH region table.
447 (in_same_eh_region): New function used to determine if two rtl
448 instructions are in the same exception region or not.
449 * final.c (final): Initialize the table indicating which instructions
450 belong in which exception region.
451 * genpeep.c (main): Add "except.h" to include file list in generated
453 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
454 peepholes involving calls and unconditional branches.
456 Mon Mar 16 12:12:36 1998 Ken Raeburn <raeburn@cygnus.com>
458 * reload.h (MEMORY_MOVE_COST): Define here if not already defined;
459 if HAVE_SECONDARY_RELOADS, factor in copying cost.
460 (memory_move_secondary_cost): Declare.
461 * regclass.c (MEMORY_MOVE_COST): Don't define default here.
462 (memory_move_secondary_cost) [HAVE_SECONDARY_RELOADS]: New
464 (regclass, record_reg_classes, copy_cost, record_address_regs):
465 Pass register class and direction of move to MEMORY_MOVE_COST.
466 * reload1.c (MEMORY_MOVE_COST): Don't define default here.
467 (emit_reload_insns, reload_cse_simplify_set): Pass register class
468 and direction of move to MEMORY_MOVE_COST.
469 * 1750a.c, a29k.h, alpha.h, arc.h, arm.h, dsp16xx.h, i386.h,
470 m32r.h, m88k.h, rs6000.h (MEMORY_MOVE_COST): Add extra ignored
471 arguments to definition, even in comments.
472 * mips.h (MEMORY_MOVE_COST): Add extra arguments; add
473 memory_move_secondary_cost result to cpu-specific cost.
475 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
477 * README.gnat: New file.
479 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
481 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
482 "recog.h" for offsettable_memref_p.
483 (legitimize_pic_address): Remove unused variable `offset'.
484 (notice_update_cc): Change return type to void. Add default label
486 (standard_68881_constant_p): Remove unused variable mode.
487 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
488 (const_int_cost): Explicitly declare as returning int.
489 (output_dbcc_and_branch): Change return type to void.
491 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
492 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
493 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
495 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
497 * version.c: Bump for snapshot.
499 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
501 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
502 check for 'M' constraint.
504 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
506 * cccp.c (create_definition): If pedantic, call pedwarn for macro
509 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
511 * i386.c (ix86_logical_operator): New function.
512 (split_di): Ensure that when a MEM is split, the resulting MEMs have
514 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
517 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
518 Richard Earnshaw <rearnsha@arm.com>
519 Nick Clifton <nickc@cygnus.com>
521 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
523 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
525 * cse.c (rtx_cost): Provide a default case in an enumeration
526 switch, and call DEFAULT_RTX_COSTS if it's defined.
528 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
530 * basic-block.h (compute_preds_succs): Change return type in
532 * flow.c (compute_preds_succs): Likewise in function definition.
534 * regmove.c (find_matches): Cast char used as array index to unsigned char
537 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
539 * i386.h (RTX_COSTS): Insert braces around nested if.
540 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
543 * gcc.c (default_compilers): Properly put brackets around array elements in
546 * getopt.c (_getopt_internal): Add explicit braces around nested if;
549 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
550 (record_reg_life_pat): Add explicit parens around && and || in expression.
551 (stack_reg_life_analysis): Add parens around assignment used as expression.
552 (convert_regs): Likewise.
554 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
556 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
557 change callers accordingly.
559 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
560 and definition; change all callers accordingly.
562 * except.c (init_eh): Avoid assignment of unused return value of
563 build_pointer_type; cast it to void, instead, and remove unused
566 * gcc.c (lang_specific_driver): Define prototype only #ifdef
567 LANG_SPECIFIC_DRIVER.
568 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
570 * genoutput.c (output_epilogue): Initialize next_name to 0.
572 * real.c (efrexp): #if 0 prototype and function definition.
580 * reload.c (push_secondary_reload): Define prototype only
581 #ifdef HAVE_SECONDARY_RELOADS.
583 * varasm.c (assemble_static_space): Define rounded only
584 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
586 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
588 * i386.md (andsi): Add default case in enumeration switch.
593 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
595 * c-decl (finish_struct): Change type of min_align to unsigned.
597 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
598 remove unused variable len.
600 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
601 comment indicating this is proper behaviour.
602 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
604 (based_loc_descr): Likewise.
606 * enquire.c (bitpattern): Change type of variable i to unsigned.
608 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
610 * flow.c (life_analysis): Change type of variable i to size_t;
611 remove unused variable insn.
613 * gcc.c (translate_options): Change type of variables optlen, arglen and
615 (input_filename_length): Change type to size_t.
616 (do_spec_1): Change type of variable bufsize to size_t.
617 (main): Change type of variables i and j to size_t;
618 remove subblock local definition of variable i.
619 (lookup_compiler): Change type of second argument to size_t;
620 change type of variable i to size_t.
622 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
624 * genopinit.c (get_insn): Change type of variable pindex to size_t.
626 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
628 * global.c (global_alloc): Change type of variable i to size_t.
630 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
632 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
633 (expand_end_case): Change type of variable count to size_t.
635 * toplev.c (main): Change type of variable j to size_t.
636 (set_target_switch): Change type of variable j to size_t.
637 (print_switch_values): Change type of variable j to size_t;
638 remove unused variable flags.
640 * varasm.c (assemble_variable): Change type of variable align to size_t.
641 (const_hash_rtx): Change type of variable i to size_t.
643 1998-03-11 Mark Mitchell <mmitchell@usa.net>
645 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
646 TREE_VEC if that's what it really is.
648 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
650 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
653 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
655 * gthr.h: Changed the comment about return values.
656 * gthr-solaris.h (__gthread_once): Do not use errno; return the
657 error number instead of -1.
658 (__gthread_key_create): Any non-zero return value is an error.
659 * libgcc2.c (eh_context_initialize): Check for non-zero return
660 value from __gthread_once.
661 Check that the value of get_eh_context was really changed.
663 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
665 * sh.h (LOOP_ALIGN): Only align when optimizing.
666 * sh.c (find_barrier): Clear inc for CODE_LABELs.
667 When not optimizing, calculate alignment for BARRIERs directly.
669 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
671 * final.c (shorten_branches): Remove conditionalizing on
672 SHORTEN_WITH_ADJUST_INSN_LENGTH
673 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
675 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
677 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
678 an unconditional jump around deleted blocks.
680 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
682 * profile.c (branch_prob): If see computed goto, call fatal instead of
685 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
687 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
688 Patch from Bruno Haible.
690 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
691 (assign_parms): Set aggregate if hide_last_arg and last_named.
693 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
695 * final.c (shorten_branches): Initialize insn_addresses.
697 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
699 * sh.h (MUST_PASS_IN_STACK): Define.
701 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
703 * final.c (shorten_branches): Fix minor logic error in
704 ADDR_DIFF_VEC shortening support.
706 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
708 * version.c: Bump for snapshot.
710 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
712 * haifa-sched.c (is_cfg_nonregular): Change return type to
713 an int. No longer compute "estimated" number of edges. Use
714 computed_jump_p instead of duplicating the code. Fixup/add
716 (build_control_flow): Returns a value indicating an irregularity
717 in the cfg was detected. Count the number of edges in the cfg.
718 allocate various edge tables.
719 (find_rgns): No longer look for unreachable blocks.
720 (schedule_insns): Do not allocate memory for edge tables here.
721 Free memory for edge tables before returning. Do not perform
722 cross block scheduling if build_control_flow returns nonzero.
723 * flow.c (compute_preds_succs): More accurately determine when
726 * basic-block.h (free_basic_block_vargs): Provide prototype.
728 * cccp.c (main): Fix dumb mistakes in last change.
730 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
732 * rtl.h (addr_diff_vec_flags): New typedef.
733 (union rtunion_def): New member rt_addr_diff_vec_flags.
734 (ADDR_DIFF_VEC_FLAGS): New macro.
736 * sh.c (output_branch): Fix offset overflow problems.
738 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
739 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
740 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
741 * stmt.c (expand_end_case): Supply new arguments to
742 gen_rtx_ADDR_DIFF_VEC.
743 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
744 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
745 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
746 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
747 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
748 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
749 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
750 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
751 * i386/freebsd.h, i386/linux.h : Likewise.
752 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
753 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
754 * m68k/mot3300.h, m68k/sgs.h : Likewise.
755 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
756 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
757 (CASE_VECTOR_SHORTEN_MODE): Define.
758 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
759 (med_branch_p, braf_branch_p): Don't declare.
760 (mdep_reorg_phase, barrier_align): Declare.
761 (ADJUST_INSN_LENGTH): Remove alignment handling.
762 * sh.c (uid_align, uid_align_max): Deleted.
763 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
764 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
765 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
766 (output_far_jump): Don't use braf_branch_p.
767 (output_branchy_insn): Don't use branch_offset.
768 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
769 Remove paired barrier stuff.
770 Don't use cache_align_p.
771 Take alignment insns into account.
772 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
774 (barrier_align, branch_dest): New function.
775 (machine_dependent_reorg, split_branches): Remove infrastructure
776 for branch shortening that is now provided in the backend.
777 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
778 (braf_branch_p, braf_cbranch_p): Likewise.
779 (attribute length): Use new attributes.
780 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
781 (addr_diff_vec_adjust): Delete.
782 (align_2): Now a define_expand.
783 (align_log): Now length 0.
785 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
787 * m32r.md (right): Correctly check for length == 2, not 1.
789 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
791 * mips/mips.h: Prototype `machine_dependent_reorg'.
792 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
794 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
796 * final.c (shorten_branches): Restore accidentally removed code.
798 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
800 * configure.in: Remove duplicate uses of AC_PROG_CC and
803 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
805 * configure.in (target_cpu_default2): Correct typo for alphapca56.
807 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
808 Doug Evans (devans@cygnus.com)
810 * haifa-sched.c (build_jmp_edges): Delete dead function.
811 (build_control_flow): Use cfg routines from flow.c
812 (schedule_insns): Remove debugging code accidentally checked
815 * basic-block.h: Add external integer list structures, typdefs,
816 accessor macros and function declarations. Simlarly for
817 basic block pred/succ support and simple bitmap stuff.
818 * flow.c: Add functions for integer list, basic block pred/succ
819 support and simple bitmap support.
820 (compute_dominators): New function to compute dominators and
822 (find_basic_blocks): Split into two functions.
823 (life_analysis): Likewise.
824 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
825 the life_analysis from toplev.c
826 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
827 life_analysis instead of flow_analysis.
829 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
831 * jump.c (jump_optimize): Call mark_jump_label also for deleted
833 (mark_jump_label): Don't increment ref counts for deleted insns.
835 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
837 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
839 * mips/mips.c: Include stdlib.h and unistd.h.
840 (mips_asm_file_end): Add braces around empty body in an if-statement.
841 (function_prologue): Wrap variable `fnname' in
842 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
843 (mips_select_rtx_section, mips_select_section): Declare as void.
845 * mips/mips.h: Add prototypes for extern functions in mips.c.
846 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
847 (ENCODE_SECTION_INFO): Add braces around empty body in an
850 * mips/mips.md (movdi): Add parentheses around && within ||.
851 (movsf, movdf): Likewise.
852 (branch_zero, branch_zero_di): Add default case in
856 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
858 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
859 real constants, since they can't be changed.
860 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
861 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
862 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
863 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
864 * alpha/vms.h (TARGET_OPEN_VMS): New.
865 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
867 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
869 * reload.c (find_reloads): Always force (subreg (mem)) to be
870 reloaded if WORD_REGISTER_OPERATIONS.
872 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
874 * haifa-sched.c (free_list): Rename from free_pnd_lst.
875 (free_pending_lists): Rename free_pnd_lst uses.
876 (remove_dependence): Place expunged element on unused_insn_list.
877 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
878 gen_rtx_*_LIST and alloc_rtx to use them.
879 (compute_block_backward_dependences): Free the reg_last_* lists.
881 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
883 * cccp.c (main): Avoid undefined behavior when setting pend_includes
886 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
888 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
889 USE_GNULIBC_1 is defined
890 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
891 includes the t-linux-gnulibc1 fragment
893 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
895 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
897 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
899 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
901 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
903 * final.c (shorten_branches): Tag the loop alignment onto the
904 first label after NOTE_INSN_LOOP_BEG even if there is an
907 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
909 * final.c (insn_current_reference_address):
910 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
911 proper alignment chain.
913 * final.c (max_labelno): New static variable.
914 (final_scan_insn): Check max_labelno before outputting an
915 alignment for a label.
916 (shorten_branches): Remove unused variable length_align.
918 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
920 * sparc.c (ultrasparc_adjust_cost): Add default case in
923 * sparc.h: Add prototypes for extern functions defined in
926 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
928 * toplev.c: Only generate <name>.dbr file when dumping RTL if
929 DEALY_SLOTS is defined.
931 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
933 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
934 in call to fill_slots_from_thread.
936 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
938 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
939 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
941 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
943 * final.c (insn_last_address, insn_current_align, uid_align):
945 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
946 (insn_current_reference_address): Likewise.
947 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
948 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
949 (label_to_alignment): New function.
950 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
951 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
952 insn_current_reference_address instead of insn_current_address.
953 (or_attr_value, write_length_unit_log): New functions.
954 (main): Call write_length_unit_log.
955 (write_const_num_delay_slots): Output extra '\n'.
956 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
958 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
959 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
960 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
962 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
963 (LABEL_ALIGN_AFTER_BARRIER).
964 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
965 * ns32k/tek6000.h: Likewise.
966 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
967 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
968 ASM_OUTPUT_ALIGN_CODE.
970 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
972 * version.c: Bump for snapshot.
974 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
976 * version.c: Bump for snapshot.
978 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
980 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
981 if condition code of jump conflicts with opposite_needed.
983 * reorg.c (fill_slots_from_thread): Mark resources referenced in
984 opposite_needed thread. Return delay_list even when cannot get
985 any more delay insns from end of subroutine.
987 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
989 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
992 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
994 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
995 end_fde_sort): New functions for fast sorting of an FDE array.
996 (fde_insert): Simplified.
997 (add_fdes): Change argument list.
998 (frame_init): Use the new functions.
1000 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
1002 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
1004 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
1006 * fold-const.c (fold_range_test): Always return a value.
1008 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
1010 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
1011 data in the text section unless READONLY_DATA_SECTION is defined.
1013 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
1015 * c-parse.in (undeclared variable error): Tweak error message to
1018 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
1020 * version.c: Bump for snapshot.
1022 1998-02-28 Mark Mitchell <mmitchell@usa.net>
1024 * final.c (final_scan_insn): Undo overzealous removal of `set'.
1026 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1028 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
1029 case, add parentheses to specify the proper order of precedence in
1033 * c-aux-info.c: Include string.h/strings.h.
1035 * pa.c: Include stdlib.h.
1036 (pa_combine_instructions): Prototype the function.
1037 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
1038 (reloc_needed): Add default case for enumeration switch.
1039 (remove_useless_addtr_insns): Remove unused variable `all'.
1040 (hppa_expand_prologue): Add explicit braces to avoid
1042 (output_function_epilogue): Remove unused variable `i'.
1043 (output_millicode_call): Remove unused variable `link'.
1044 (shadd_constant_p, forward_branch_p): Make the function static.
1045 (following_call): Explicitly declare to return int.
1046 (pa_reorg): Declare as void.
1047 (pa_combine_instructions): Declare as static void. Add
1048 parentheses around && within ||.
1050 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
1051 following_call, function_label_operand, lhs_lshift_cint_operand
1054 * pa.md: Add parentheses around && within ||.
1056 * cppalloc.c: Include stdlib.h.
1058 * cpperror.c (cpp_print_containing_files): Remove unused variable
1059 `i'. Fix format specifier in fprintf.
1061 * cse.c (cse_around_loop): Add explicit braces to avoid
1063 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
1065 * expr.c (expand_expr): Add parentheses around && within ||.
1067 * final.c (app_enable): Replace fprintf with fputs where there are
1068 no format specifiers and no trailing argument after the string.
1069 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
1070 (app_disable): Likewise.
1071 (final_end_function): Likewise.
1072 (final_scan_insn): Likewise. Remove unused variable `set'.
1073 (profile_function): Wrap empty if-statement body in {} brackets.
1075 * function.c: Include stdlib.h.
1076 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
1077 (reposition_prologue_and_epilogue_notes): Add parentheses
1078 around assignment used as truth value.
1080 * integrate.c (expand_inline_function): Wrap variable
1081 `cc0_insn' in macro HAVE_cc0.
1083 * jump.c (jump_optimize): Wrap variable `q' in macro
1084 HAVE_cc0. Remove unused variable `prev1'.
1086 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
1087 within ||. Fix format specifier in fprintf.
1088 (__bb_init_prg): Add parentheses around assignment used as
1091 * local-alloc.c: Include stdlib.h.
1092 (requires_inout): Add parentheses around assignment used
1095 * loop.c (analyze_loop_iterations): Wrap prototype and definition
1096 in macro HAVE_decrement_and_branch_on_count.
1097 (insert_bct, instrument_loop_bct): Likewise.
1098 (move_movables): Add parentheses around assignment used as
1100 (consec_sets_invariant_p): Likewise.
1101 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
1103 * objc/objc-act.c: Include stdlib.h.
1104 (lookup_method_in_protocol_list): Wrap empty else-statement body
1106 (lookup_protocol_in_reflist): Likewise.
1107 (objc_add_static_instance): Remove unused variables `decl_expr'
1109 (get_objc_string_decl): Remove unused variable `decl'.
1110 (generate_static_references): Remove unused variables `idecl' and
1112 (check_protocols): Wrap empty else-statement body in braces.
1114 * protoize.c: Include stdlib.h.
1115 (substr): Add parentheses around assignment used as truth value.
1116 (abspath): Likewise.
1117 (shortpath): Likewise.
1119 * regmove.c (fixup_match_1): Add parentheses around assignment
1120 used as truth value.
1122 * reload.c (push_secondary_reload): Remove unused variable `i'.
1123 (find_reloads): Add parentheses around assignment used as truth
1126 * reload1.c: Include stdlib.h.
1128 * rtl.h: Correct typo in prototype of offsettable_memref_p.
1130 * stmt.c (add_case_node): Add parentheses around assignment used
1132 (case_tree2list): Likewise.
1134 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
1135 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
1136 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
1137 (merge_attributes): Add explicit braces to avoid ambiguous
1140 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
1143 * varasm.c: Include stdlib.h.
1146 * system.h: Remove sys/stat.h.
1147 * gcc.c: Add sys/stat.h.
1149 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
1150 * genattrtab.c: Likewise.
1151 * genconfig.c: Likewise.
1152 * genemit.c: Likewise.
1153 * genextract.c: Likewise.
1154 * genflags.c: Likewise.
1155 * genopinit.c: Likewise.
1156 * genoutput.c: Likewise.
1157 * genpeep.c: Likewise.
1158 * genrecog.c: Likewise.
1159 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
1161 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1163 * invoke.texi: Use @itemx for a secondary item in a @table.
1165 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
1168 1998-02-26 Ken Raeburn <raeburn@cygnus.com>
1170 * regclass.c (init_reg_sets): Move init of move cost tables...
1171 (init_reg_sets_1): ...to here.
1173 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
1175 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
1177 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
1179 * i386.c (struct machine_function): Add new fields for PIC stuff.
1180 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
1182 (restore_386_machine_status): Corresponding changes.
1183 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
1185 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
1187 * c-parse.y (undeclared variable error): Tweak error message
1190 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
1192 * flags.h (g_switch_value, g_switch_set): Declare.
1193 * alpha.c (override_options): Set g_switch_value=8 if not set.
1194 * alpha/elf.h (CC1_SPEC): New.
1196 (LINK_SPEC): Pass along the -G value we were given.
1197 (LOCAL_ASM_OP): Remove.
1198 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
1199 (MAX_OFILE_ALIGNMENT): New.
1200 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
1201 (EXTRA_SECTIONS): Add sbss and sdata.
1202 (SECTION_FUNCTION_TEMPLATE): New.
1203 (EXTRA_SECTION_FUNCTIONS): Use it.
1204 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
1205 (SELECT_SECTION): Use sdata when small enough.
1206 * alpha/linux.h (ASM_SPEC): Remove.
1209 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1210 * config.sub (sco5): Fix typo.
1212 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
1214 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
1216 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
1217 * config/alpha/t-linux: Remove file.
1218 * config/sparc/t-linux: Remove file.
1219 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
1220 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
1221 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
1223 (alpha*-*-linux-gnu*): Likewise.
1224 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
1225 (sparc-*-linux-gnu*): Likewise.
1227 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
1228 * collect2.c (ldd_file_name): Bracket declaration with same
1230 (full_real_ld_suffix): Deleted. Variable was calloced and
1231 written into, but never read.
1233 1998-02-23 Mike Stump <mrs@wrs.com>
1235 * configure.in: Add support for i386-wrs-vxworks configuration.
1236 * i386/vxi386.h: New file.
1238 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1240 * tree.c (contains_placeholder_p): Ensure function always returns
1242 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
1243 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
1245 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
1247 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
1249 1998-02-22 Paul Eggert <eggert@twinsun.com>
1251 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
1252 Define this new symbol.
1253 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
1254 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
1255 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
1257 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
1259 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
1260 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
1262 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
1264 * objc/Object.m (-error): Call objc_verror with our va_list.
1266 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1268 * collect2.c (scan_prog_file): Completely cover uses of variable
1269 `exports' with macro COLLECT_EXPORT_LIST.
1271 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
1273 * version.c: Bump for snapshot.
1275 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
1277 * sched.c (schedule_block): Remove code to get arguments from hard
1278 regs into pseudos early. Same as Aug 25, 1997 change to
1281 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
1283 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
1285 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
1287 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
1288 continuation character (line 243).
1290 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1292 * genrecog.c (main): Remove duplicated sentence in emitted comment.
1294 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
1295 David Edelsohn <edelsohn@mhpcc.edu>
1297 * collect2.c (XCOFF_SCAN_LIBS): Remove.
1298 (export_flag): New variable.
1299 (export_file): #ifdef COLLECT_EXPORT_LIST.
1300 (import_file, exports, imports, undefined): New variables.
1301 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
1302 (dump_list, dump_prefix_list, is_in_list): New functions.
1303 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
1304 (write_import_file, resolve_lib_name): New functions.
1305 (use_import_list, ignore_library): Same.
1306 (collect_exit): maybe_unlink import_file and #ifdef.
1308 (main): New variable importf, #ifdef exportf. Move parsing of
1309 -shared before general argument parsing. Resolve AIX library
1310 paths and import libgcc.a symbols. Treat .so shared libraries the
1311 same as objects and .a libraries. Create alias for object_lst and
1312 increment it instead of original pointer. Scan AIX libraries as
1313 objects earlier instead of using scan_libraries. Perform AIX
1314 tlink later to resolve templates instead of forking ld.
1315 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
1316 (GCC_UNDEF_SYMBOL): New macro.
1317 (scan_prog_file): Loop for members of AIX libraries. Handle
1318 export/import of ctors/dtors.
1319 (aix_std_libs): New variable.
1320 (scan_libraries, XCOFF): Delete.
1322 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
1324 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
1326 1998-02-19 Mike Stump <mrs@wrs.com>
1328 * Makefile.in: Use $tooldir for sys-include to match toplevel
1331 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
1332 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1334 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
1336 * emit-rtl.c (hard-reg-set.h): Include.
1337 (get_lowpart_common): Don't make new REG for hard reg in a
1338 class that cannot change size.
1339 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
1341 * combine.c: Revert previous patch.
1343 1998-02-19 Paul Eggert <eggert@twinsun.com>
1345 * config/sparc/sol2-sld.h: New file.
1346 * configure.in (sparc-*-solaris2*): Use it when using the
1349 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
1351 * loop.c (force_movables): Fix typo.
1353 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
1355 * m88k.h: Change file pattern to match reality.
1357 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
1359 * varasm.c (output_constant_pool): Fix dumb thinko in last
1362 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
1363 a function name to a section name.
1365 1998-02-18 Doug Evans <devans@cygnus.com>
1367 * tree.h (merge_machine_{type,decl}_attributes): Declare.
1368 (split_specs_attrs, strip_attrs): Add prototypes.
1369 * tree.c (merge_machine_{type,decl}_attributes): New functions.
1370 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
1371 Update olddecl's attributes too.
1372 * c-common.c (strip_attrs): New function.
1373 * c-typeck.c (common_type): Call merge_machine_type_attributes.
1374 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
1375 (make_decl_rtl): Likewise.
1377 1998-02-18 Jim Wilson <wilson@cygnus.com>
1379 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
1381 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
1383 Remove this change until we can fix it correctly.
1384 * collect2.c: Bracket declaration of 'exportf' and
1385 'full_real_ld_suffix'.
1387 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1389 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
1391 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1393 * c-common.c (c_expand_start_cond, c_expand_end_cond,
1394 c_expand_start_else): Don't warn about non-ambiguous else even if
1397 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
1399 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
1400 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
1403 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
1405 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
1406 simplifying a subreg of a hard reg.
1407 (expand_compound_operation): Likewise.
1408 (force_to_mode): Likewise.
1410 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1412 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
1413 (lshift_double): Add parentheses around + or - inside shift.
1414 (rshift_double): Likewise.
1415 (size_int_wide): Explicitly set type of `bit_p' to `int'.
1417 * Makefile.in (fold-const.o): Depend on system.h.
1419 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
1422 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
1423 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
1424 (sched_note_set): Remove unused parameter `b', all callers changed.
1425 (schedule_block): Likewise for `rgn'.
1426 (split_hard_reg_notes): Likewise for `orig_insn'.
1427 (check_live): Likewise for `trg'.
1428 (update_live): Likewise.
1429 (check_live_1): Explcitly declare variable `i' as int.
1430 (update_live_1): Likewise.
1431 (insn_issue_delay): Remove unused variable `link'.
1432 (sched_analyze_2): Add default case in enumeration switch.
1433 (schedule_insns): Remove unused variable `i'.
1435 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
1437 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
1439 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
1440 a dangling else clause.
1442 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
1444 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
1445 pointer for the stack pointer in MIPS16 and 64BIT.
1447 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1449 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
1450 * emit-rtl.c (force_line_numbers, restore_line_number_status):
1452 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
1453 (expand_start_case): Adjust to this change.
1454 (check_seenlabel): New function.
1455 (pushcase, pushcase_range, expand_endcase): Use it.
1457 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1459 * i386.md (adddi3): Add =!r,0,0,X alternative.
1461 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
1463 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
1464 * x-aix31 (INSTALL): Delete.
1466 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
1468 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
1469 tsize changes to something other than zero.
1471 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
1473 * ginclude/va-mips.h: Replace casts of pointers to int with
1474 casts of pointers to __PTRDIFF_TYPE__.
1476 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
1478 * loop.c (strength_reduce, record_biv, record_giv): Use
1479 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
1481 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
1483 * tree.c (first_rtl_op): New fn.
1484 (unsave_expr_now): Use it.
1485 * print-tree.c (print_node): Likewise.
1486 * tree.c (has_cleanups): New fn.
1487 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
1488 conservative about pushing the cleanup point down.
1489 * tree.h: Declare them.
1491 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
1493 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
1494 (flag_schedule_reverse_after_reload): Likewise.
1495 (f_options): Remove reverse scheduling support.
1496 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
1497 (flag_schedule_reverse_after_reload): Likewise.
1498 * haifa-sched.c (rank_for_schedule): Remove support for reverse
1501 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1503 * gcc.c: Get system includes, prototypes and macros via "system.h"
1504 instead of doing it manually. Change all calls of the ctype
1505 macros to custom versions defined in "system.h".
1507 * system.h: Fix return type of bcmp prototype from `void' to `int'.
1508 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
1509 Add a prototype for getenv.
1511 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
1513 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
1515 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
1517 * alias.c: Include <stdlib.h> and <string.h>.
1518 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
1520 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
1522 * version.c: Bump for snapshot.
1524 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
1526 * arm.md (movsfcc): Also validate operands[3] when compiling hard
1528 (movdfcc): Only accept fpu_add_operand for operands[3].
1530 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
1531 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
1533 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
1535 * varasm.c (output_constant_pool): Bring back 'done' label inside
1536 an appropriate #ifdef.
1538 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
1540 (bitmap_copy, bitmap_operation): Likewise.
1541 * combine.c (combinable_i3pat): Similarly for 'src'.
1542 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
1543 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
1544 * regclass.c (copy_cost): Similarly for 'secondary_class'.
1545 * reload.c (make_memloc): Simliarly for 'i'.
1546 (find_reloads_address_1): Similarly for 'link'.
1547 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
1548 (emit_reload_insns): Similarly for 'second_reloadreg'.
1549 * unroll.c (iteration_info): Similarly for 'v'.
1551 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
1552 * calls.c (expand_call): Similarly for 'i'.
1553 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
1554 * fold-const.c (strip_compund_expr): Similarly for 'type'.
1555 * function.c (fixup_var_refs_1): Similarly for 'width'.
1556 (fixup_memory_subreg): Similarly for 'saved'.
1557 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
1558 (setjmp_protect): Similarly for 'sub'.
1559 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
1560 * loop.c (record_giv): Similarly for 'p'.
1561 (combine_givs): Similarly for 'temp_iv'.
1562 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
1563 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
1564 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
1565 * unroll.c (unroll_loop): Similarly for 'copy'.
1566 (iteration_info): Similarly for 'b'.
1567 * varasm.c (assemble_string): Similarly for 'i'.
1568 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
1570 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
1572 * dwarf2out.c (decl_scope_node): New type.
1573 (decl_scope_table): Change type to use it.
1574 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
1575 (push_decl_scope): Use new type. New locals containing_scope, i.
1576 Add code to handle setting previous field.
1577 (scope_die_for): Change type of local i to int. Add code to use
1579 (dwarf2out_init): Use new type.
1581 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
1583 * except.c (emit_throw): Lose throw_used.
1585 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1587 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
1589 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
1591 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
1593 * genextract.c (main): Fix typo.
1595 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
1597 * c-lang.c (finish_file): Bracket declaration of static_ctors,
1600 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
1601 'old_stack_arg_under_construction'
1602 (emit_library_call): Bracket declaration of 'upper_bound',
1603 'lower_bound', 'i', 'reg_parm_stack_space'
1604 (emit_library_call_value): Likewise.
1607 * collect2.c: include <unistd.h> when appropriate.
1608 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
1610 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
1612 * explow.c (plus_constant_for_output_wide): Remove unused variable
1614 (memory_address): Remove unused variable 'orig_x'.
1616 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
1617 (write_const_num_delay_slots): Remove unused variable 'i'.
1619 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
1620 (gen_insn): Remove unused variable 'obstack_ptr'.
1622 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
1624 (__bb_exit_trace_func): Remove unused variable 'e'.
1626 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
1628 (expand_unop): Remove unused variable 'funexp'.
1629 (expand_complex_abs): Remove unused variable 'funexp'.
1630 (init_optabs): Bracket declaration of 'j'.
1631 (init_complex_libfuncs): Deleted. Dead static function.
1633 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
1635 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
1636 (reg_to_stack): 'initialized', 'before_function_beg'
1637 explictly type as ints instead of defaulting.
1638 (emit_swap_insn): Remove unused variable 'i2'.
1639 (compare_for_stack_reg): Remove unused variable 'src_note'.
1641 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
1643 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
1645 * stmt.c (add_case_node): Add parens for assignment used as truth.
1646 (all_cases_count): Remove unused variable 'count_high'.
1647 (mark_seen_cases): Remove unused variable 'i'.
1648 (check_for_full_enumeration_handling): Remove unused variable 't'.
1649 Bracket declaration of 'all_values', 'l'.
1651 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
1653 * varasm.c (assemble_string): Remove unused variable 'i'.
1654 (immed_double_const): Remove unused variable 'in_current_obstack'.
1655 (immed_real_const_1): Likewise.
1656 (output_constant_pool): Remove unreferenced label 'done'.
1657 (output_constant): Remove unused variable 'x'.
1659 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
1662 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
1665 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1667 * combine.c (can_combine_p): Handle USEs in PARALLELs.
1669 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
1671 * config/linux.h (LIB_SPEC): Add -lc for -shared if
1672 USE_GNULIBC_1 is not defined.
1673 * config/sparc/linux.h; Ditto.
1675 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
1677 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
1678 USE_GNULIBC_1 is not defined.
1680 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1682 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
1685 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1687 * system.h: New file to get common systems includes and various
1688 definitions and declarations based on autoconf macros.
1690 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
1692 * cccp.c (new_include_prefix): Correctly handle -I./.
1694 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
1696 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
1698 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
1700 * expr.c (expand_assignment): Correct typo exposed by -Wall.
1701 offset should have been a truth value, not an assignment.
1703 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
1705 * cse.c (delete_dead_from_cse): If a libcall produces a constant
1706 result and that result can be substituted into SET_SRC of the
1707 insn with the REG_RETVAL note, then perform the substitution
1708 and delete the libcall.
1710 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
1712 * mips.md (trucndihi2,truncdiqi2): Change these to support
1715 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
1717 * mips/mips.c (movdi_operand): Direct referances to symbols
1718 that arn't mips16 consts in mips16 mode arn't valid operands.
1720 * mips/mips.c (mips_move_2words): Add gprel handling.
1722 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
1724 * mips.md (extendsidi2): Allow extension to/from a non-mips16
1727 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
1729 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
1732 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1734 * Makefile.in (WARN_CFLAGS): New variable.
1735 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
1737 1998-02-11 Mark Mitchell <mmitchell@usa.net>
1739 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
1740 falling through default case in switch.
1741 (i386_aligned_p): Likewise.
1743 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
1745 * mips/mips.h (mips_abi_string): Correct typo in comment.
1747 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
1749 * mips/mips.md (movdi): These PLUS's need to be Pmode.
1751 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1753 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
1754 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
1755 indirectly via expr.h.
1757 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
1759 * stor-layout.c (layout_type): Do upper - lower in the native type,
1760 so as to properly handle negative indices.
1762 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
1764 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
1765 (expand_eh_region_start_tree): Remove unused variable 'note'.
1766 (exception_optimize): Remove unused variable 'regions'.
1767 (expand_builtin_eh_stub): Remove unused variable 'temp'.
1768 (copy_eh_entry): Deleted. Dead function.
1770 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
1771 'last' with same #if HAVE_load_multiple as use of it.
1772 (move_block_from_reg): Likewise.
1773 (emit_move_insn_1): Remove unused variable 'insns'.
1774 (store_constructor): Bracket declaration of startb, endb with
1775 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
1776 'target', and 'xtarget'.
1777 (expand_builtin_setjmp): Remove unused variables 'op0',
1778 'next_arg_reg', 'old_inhibit_defer_pop'.
1779 (expand_builtin): Remove unused variable 'offset'.
1780 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
1781 (emit_queue): Add parens for assignment used as conditional.
1782 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
1784 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
1786 * i386.c: Added include for recog.h.
1787 (override_options): Removed unused variable p. Initialized regno to
1789 (order_regs_for_local_alloc): Initialized regno to avoid warning.
1790 (legitimize_address): Likewise for 'other'.
1791 (i386_aligned_reg_p): Added default case with abort ().
1792 (print_operand): Likewise.
1793 (reg_mentioned_in_mem): Likewise.
1794 (ix86_expand_binary_operator): Removed unused variables i & insn.
1795 (ix86_expand_unary_operator): Removed unused variable insn.
1796 (output_fp_cc0_set): Removed unused variable unordered_label.
1798 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
1800 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
1801 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
1802 and format string match.
1804 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
1806 * flow.c (life_analysis): Do not conside the stack pointer live at
1807 the end of a function if the fucntio ncalls alloca.
1808 (mark_used_regs): Similarly.
1810 1998-02-10 John F Carr <jfc@mit.edu>
1812 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
1813 1, fzero on alternative 8.
1815 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1817 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
1819 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1821 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
1822 SUBREGs of CONST_INTs.
1824 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
1826 * mips.c (print_operand, function_prologue): Make printf format
1827 match argument type.
1829 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1831 * alpha.c (alpha_return_addr): Remove unused variable `first'.
1832 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
1833 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
1835 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1837 * loop.c (strength_reduce): When placing increment for auto-inc
1838 case, do comparison in loop order.
1840 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
1842 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
1843 not a HOST_WIDE_INT.
1845 * calls.c (expand_call): Change test of expand_inline_function
1846 return value to stop compiler warning.
1848 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
1850 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
1851 Jeff Law (law@cygnus.com)
1853 * regmove.c: Fix various minor formatting problems.
1854 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
1855 is true. Make end of basic block tests consistent through regmove.c.
1856 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
1857 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
1859 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1861 * gansidecl.h: Check for a conflicting macro definition before
1862 attempting to prototype bcopy, bcmp or bzero.
1864 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
1866 * expr.c (clear_pending_stack_adjust): Handle case where a function
1867 calls alloca, but the user has specified -fomit-fframe-pointer.
1869 * function.c (assign_parms): Fix typo in last change.
1871 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
1873 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
1875 (free_path_suffix): Remove unreferenced static function.
1876 (process_command): Remove unused variable temp.
1877 (default_arg): Remove unused variable i.
1878 (do_spec_1): Add parens for assignment used as truth value.
1880 (validate_all_switches): Likewise.
1881 (main): Remove unused variables i, first_time>
1883 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
1885 * calls.c (expand_call): Remove unused variables funtree,
1886 n_regs, and tmpmode.
1888 * dbxout.c, except.c: Include <string.h>/<strings.h>.
1890 * explow.c: (plus_constant_for_output_wide) Removed unused
1891 variable all_constant.
1893 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
1894 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
1895 genrecog.c, global.c, integrate.c , stupid.c : Include
1898 * genextract.c: (walk_rtx) Remove unused variable link.
1900 * genrecog.c: (concat) Remove unreferenced static function.
1902 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
1904 * stmt.c: Include <stdlib.h>.
1905 (expand_asm_operands): Remove unused variable val1.
1906 (expand_return): Remove unused variable block.
1907 (pushcase): Remove unused variables l and n.
1908 (pushcaserange): Likewise.
1910 * unroll.c (unroll_loop): Remove unused variable temp.
1912 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
1914 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
1916 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1918 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
1919 functions for whether they support the %p format specifier.
1920 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
1921 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
1922 * configure, config.in: Rebuild.
1924 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
1926 * function.c (assign_parms): New variable named_arg, with value
1927 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
1929 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
1931 * mips/t-r3900: New - same as t-ecoff but eliminate
1932 multilibs: mips1 and mips3.
1933 * configure.in (tx39*): Use new mips/t-r3900.
1934 * configure: Rebuild.
1935 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
1937 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
1939 * dwarf2out.c: Add old_args_size.
1940 (dwarf2out_args_size): Use it.
1941 (dwarf2out_begin_prologue): Initialize it.
1942 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
1943 pushed args until we see a call.
1944 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
1945 before outputting them.
1947 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
1949 * cplus-dem.c (demangle_template_template_parm): New function.
1950 (demangle_template): Handle template template parameters.
1952 1998-02-02 Mark Mitchell <mmitchell@usa.net>
1954 * calls.c (expand_call): Don't confuse member functions named
1955 realloc, setjmp, and so forth with the standard library
1956 functions of the same names.
1958 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
1960 * stmt.c (expand_asm_operands): Correctly identify asm statements
1963 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
1965 * c-common.c (decl_attributes): Flag unrecognized attribute
1966 functions as warnings instead of as errors.
1968 1998-02-05 Marc Lehmann <pcg@goof.com>
1970 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
1971 when -Os is specified.
1972 * toplev.c (main): Don't disable flag_inline_functions anymore when
1975 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1977 * regmove.c: Update.
1978 * flags.h (flag_regmove): Declare.
1979 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
1980 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
1981 Moved into regmove; changed caller.
1982 * toplev.c (rest_of_compilation): Call regmove_optimize also for
1983 expensive_optimizations.
1985 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
1987 * version.c: Bump for snapshot.
1989 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1990 Undo this change (the problem was actually in reload):
1991 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1993 * sh.md (movqi_i+1): New peephole.
1995 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
1997 * jump.c (jump_optimize): Lose calls to modified_in_p they are
1998 not needed anymore due to changes elsewhere in jump.c.
2000 * jump.c (jump_optimize): Fix first arg to modified_in_p in
2003 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
2005 * expr.c (expand_builtin_setjmp): Accept two new arguments for
2006 the labels to branch to on first and subsequent executions. Don't
2007 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
2008 and provide it with the jmp_buf. Use only one of
2009 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
2010 and provide the former with the target label.
2011 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
2012 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
2013 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
2014 insn to replace all of the normal nonlocal_goto code. Don't play
2015 with __dummy. Correct arguments to nonlocal_goto.
2016 * expr.h (expand_builtin_setjmp): Update prototype.
2017 * except.c (start_dynamic_handler): When using builtin_setjmp,
2018 generate more accurate flow information.
2020 * alpha.md (nonlocal_goto_receiver_osf): Delete.
2021 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
2022 (builtin_longjmp, builtin_setjmp_receiver): New.
2023 * sparc.md (update_return): Disambiguate unspec number.
2024 (nonlocal_goto): Rearrange arguments to match caller in except.c.
2025 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
2027 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
2028 (builtin_setjmp_setup*, builtin_longjmp): New.
2030 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
2032 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
2034 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
2036 * vmsconfig.com: Remove bytecode references.
2038 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2040 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
2041 -fno-sjlj-exceptions works for a target that defines
2042 DWARF2_UNWIND_INFO as zero.
2044 * regmove.c (fixup_match_1): Undo last change which removed some
2045 "useless" code, and add a comment explaining this.
2047 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
2049 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
2052 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
2054 * makefile.vms: Remove bytecode references.
2055 Create genrtl files.
2057 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
2059 * jump.c (jump_optimize): Allow conditional loading of floating point
2060 constants and constants from memory. Reinstalled modified_in_p tests.
2062 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2064 * loop.c (get_condition): Handle sign-extended constants.
2066 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
2068 * expr.c (emit_push_insn): Add code to use movstrti if present.
2070 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
2071 and movstrqi as in emit_block_move ().
2073 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
2075 * config/m68k/x-next: Remove /NextDeveloper/Headers from
2076 the directories to fixinclude - /usr/include is a link
2077 to it and hence its contents are fixed by default.
2079 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2081 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
2083 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
2085 * cccp.c (main): Predefine __VMS_VER on VMS.
2087 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2089 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
2090 * fold-const.c (size_int): Replace with
2092 (make_bit_field_ref): Use bitsize_int for bit position.
2093 * stor-layout.c (sizetype): Delete.
2094 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
2095 (layout_record, layout_union, layout_type):
2096 Use bitsize_int for bit size.
2097 (set_sizetype): New function.
2098 (make_signed_type, make_unsigned_type): Use it.
2099 * c-decl.c (init_decl_processing): Likewise.
2100 * tree.h (size_int): Don't delcare, #define.
2101 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
2102 (set_sizetype): Declare.
2103 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
2105 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
2106 Convert result to sizetype.
2107 (really_start_incremental_init, push_init_level):
2108 Set type of constructor_bit_index to sbitsizetype.
2109 (push_init_level): Use unsigned arithmetic to determine padding.
2110 (output_init_element): Likewise.
2112 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
2114 * combine.c (simplify_shift_const): Fix typo in last change.
2116 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
2118 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
2119 is (truncate (lshiftrt)).
2121 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
2123 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
2124 Make sure result winds up in TGT.
2125 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
2126 src to be other than DImode.
2127 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
2128 (alpha_expand_unaligned_store_words): Likewise.
2129 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
2130 that source and destination are separately optimized for alignment.
2131 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
2133 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
2135 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
2136 with handling of -32768.
2138 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2140 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
2141 shell variable argument instead of only hard coded functions.
2142 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
2144 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
2145 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
2146 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
2147 declarations for bcopy, bcmp and bzero.
2149 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
2151 * gansidecl.h: If we have bcopy but don't declare it, then do so.
2152 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
2153 bzero, index and rindex if they aren't already present.
2155 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
2157 * toplev.c (close_dump_file): Wrap function prototype for
2158 argument "func" in PROTO.
2159 (dump_rtl): Likewise.
2161 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
2163 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
2165 (output_function_epilogue): Omit epilogue if nothing drops through.
2166 (output_move_double): Supress int ldd usage on ultrasparc and v9.
2167 (registers_ok_for_ldd_peep): Likewise.
2168 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
2169 (ultrasparc_adjust_cost): New function.
2170 (sparc_issue_rate): New function.
2171 * sparc.h (MASK_VIS, TARGET_VIS): New
2172 (MASK_V8PLUS, TARGET_V8PLUS): New.
2173 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
2174 (TARGET_SWITCHES): Add vis and v8plus.
2175 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
2176 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
2177 (RTX_COSTS): Use TARGET_HARD_MUL
2178 (ADJUST_COST): Call ultrasparc_adjust_cost.
2180 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
2181 of load & fp appropritely.
2182 (supersparc function units): Adjust for Haifa.
2183 (ultrasparc function units): Likewise.
2184 (get_pc_via_rdpc): All v9, not just arch64.
2185 (movdi_v8plus, movdi_v8plus+1): New.
2186 (adddi3_sp32+1): New.
2187 (subdi3_sp32+1): New.
2188 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
2189 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
2190 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
2191 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
2192 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
2193 (ldd peepholes): Suppress for v9.
2194 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
2195 (return_subsi): Revmove.
2197 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
2199 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
2200 save/restore MEM rtl.
2202 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
2204 * configure.in: Check for declaration of abort.
2205 * acconfig.h: Corresponding changes.
2206 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
2209 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
2211 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
2214 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
2216 * version.c: Bump for snapshot.
2218 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
2220 * configure.in: Check for atoq and atoll.
2221 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
2222 proper routine for converting ascii into long long values.
2224 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
2226 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
2228 * vmsconfig.com: Remove bytecode references.
2230 * alpha/vms.h (PREFIX): Define.
2232 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
2234 * am-alpha.h: Don't include alloca for OPEN_VMS.
2236 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
2238 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
2239 (GCC_INCLUDE_DIR): Define
2241 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
2242 * makefile.vms: New file.
2244 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
2246 * alpha.c (output_prolog): Output '.name' directive
2247 for minimal traceback information.
2249 * alpha.c (output_prolog): Don't prepend entry point symbols
2250 with '$' on OPEN_VMS.
2252 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
2253 Jeffrey A Law (law@cygnus.com)
2255 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
2258 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
2260 * genemit.c (gen_exp): Likewise.
2261 * genpeep.c (match_rtx): Likewise.
2262 * genrecog.c (write_tree_1): Likewise.
2264 * c-lex.c (yyprint): Use proper format string based upon
2265 disposition of HOST_BITS_PER_WIDE_INT.
2266 (yylex): Put casts in right place for args to build_int_2.
2268 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
2270 * combine.c: Fix typos in Jan27 changes.
2272 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
2274 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
2275 (LINK_SPEC): Likewise.
2276 (STARTFILE_SPEC): Likewise.
2278 1998-01-28 Mike Stump <mrs@wrs.com>
2280 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
2282 * genattrtab.c (reload_completed): Define.
2284 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
2287 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2289 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
2290 SUBREG_REG if the word count is unchanged, also in the input reload
2291 case. Disable non-applicable sanity checks.
2293 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
2295 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2297 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
2299 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
2301 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
2303 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
2304 is a TREE_VEC before trying to use it for baseclasses.
2305 (Chill uses the same field for a different purpose.)
2307 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
2309 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
2311 * config.sub: More accurate determination of HP processor types.
2313 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2315 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
2316 prototype for `handle_sysv_pragma', and make it static. Add
2317 parentheses around assignment used as truth value.
2319 * combine.c (combine_instructions): Protect variable `prev' with
2321 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
2322 (extract_left_shift): Add parentheses around operand of &.
2323 (merge_outer_ops): Avoid an empty body in an else-statement.
2324 (gen_rtx_combine): Remove unused variable `i'.
2326 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
2327 function monstartup `void'. Likewise for internal_mcount. Add
2328 `static void' prototype for moncontrol. Reconcile sprintf format
2331 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
2332 Make return type of function_arg_slotno explicitly `int'.
2333 (reg_unused_after): Add parentheses around assignment used as
2335 (save_regs): Add explicit braces to avoid ambiguous `else'.
2336 (function_arg_slotno): Add parentheses around && within ||.
2337 (function_arg_pass_by_reference): Likewise.
2338 (sparc_flat_output_function_prologue): Reconcile fprintf format
2341 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
2342 assignment used as truth value.
2344 * cplus-dem.c: Include <stdlib.h>.
2345 (demangle_signature): Avoid an empty body in an else-statement.
2346 (do_type): Remove unused variable `lvl'.
2348 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
2349 Include <string.h>/<strings.h>.
2350 (cpp_lex): Remove unused variable `namelen'.
2351 (cpp_lex): Explicitly declare `num_chars' as an int.
2353 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
2354 <unistd.h> instead. Explicitly declare is_system_include
2356 (make_assertion): Remove unused variable `kt'.
2357 (cpp_expand_to_buffer): Hide variable `obuf'.
2358 (output_line_command): Remove unused variables, `line_end',
2359 `line_cmd_buf' and `len'.
2360 (macarg): Remove unused variable `arg_start'.
2361 (special_symbol): Remove unused variable `i'. Add parentheses
2362 around assignment used as truth value.
2363 (do_include): Remove unused variables `pcfname' and `retried',
2364 hide `pcf' and `pcfbuflimit'.
2365 (do_line): Remove unused variable `i'.
2366 (finclude): Hide variable `missing_newline'.
2367 (cpp_handle_options): Remove unused variable `j'.
2368 (read_token_list): Remove unused variable `eofp'.
2369 (cpp_error_with_line): Remove unused variable `i'.
2370 (cpp_warning_with_line): Likewise.
2371 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
2372 (cpp_error_from_errno): Remove unused variable `i'.
2374 * cse.c (invalidate): Add parentheses around assignment used as
2376 (find_best_addr): Move declaration of variable `our_cost' inside
2377 the conditional macro where its used.
2378 (fold_rtx): Avoid an empty body in an if-statement.
2379 (cse_insn): Wrap variables `this_insn_cc0_mode' and
2380 `this_insn_cc0' in macro HAVE_cc0.
2382 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
2383 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
2384 (output_uleb128): Likewise.
2385 (output_sleb128): Likewise.
2386 (output_cfi): Likewise.
2387 (output_call_frame_info): Remove unused variables `j', `fde_size'
2389 (comp_unit_has_inlines): Hide declaration as per rest of file.
2390 (size_of_line_prolog): Correct typo in prototype.
2391 (add_arange): Likewise.
2392 (output_aranges): Likewise.
2393 (add_name_and_src_coords_attributes): Likewise.
2394 (gen_array_type_die): Likewise.
2395 (gen_inlined_subroutine_die): Likewise.
2396 (equate_decl_number_to_die): Remove unused variable `i'.
2397 (print_die): Reconcile format vs. args in fprintf's.
2398 (print_dwarf_line_table): Likewise.
2399 (output_die): Likewise.
2400 (output_line_info): Likewise.
2401 (add_subscript_info): Avoid an empty body in an else-statement.
2402 (gen_subprogram_die): Remove unused variable `fp_loc'.
2404 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
2405 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
2406 macro. Protect `src_coords_attribute' prototype with
2407 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
2408 prototype as in the rest of the file. Likewise for
2409 `output_pointer_type_die' and `output_reference_type_die'. Remove
2410 prototype for `type_of_for_scope'.
2411 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
2412 (type_attribute): Add explicit braces to avoid ambiguous `else'.
2414 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
2415 (shorten_branches): Protect declaration of tmp_length with
2416 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
2417 (profile_function): Protect declaration of `sval' and `cxt'
2418 variables with appropriate macros.
2419 (final_scan_insn): Likewise for `note' variable. Add explicit
2420 braces to avoid empty body in an if-statement.
2421 (output_asm_insn): Move variable `i' inside macro conditional
2422 where it is used. Add parentheses around assignment used as truth
2424 (asm_fprintf) Likewise, likewise.
2426 * fix-header.c (main): Remove unused variable `done'. Protect
2427 declaration of `i' with FIXPROTO_IGNORE_LIST.
2429 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
2431 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
2434 * profile.c: Include <string.h>/<strings.h>.
2435 (instrument_arcs): Remove unused variables `note', `inverted',
2436 `zero' and `neg_one'.
2437 (branch_prob): Avoid empty body in an if-statement.
2439 * regclass.c: Include <stdlib.h>.
2440 (reg_alternate_class): Explicitly declare parameter `regno'.
2442 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
2443 parentheses around assignment used as truth value.
2444 (find_matches): Remove unused variables `output_operand' and
2446 (fixup_match_1): Remove statement with no effect: "if (0) ;".
2448 * scan.c (sstring_append): Explicitly declare `count' as int.
2449 (scan_string): Explicitly declare parameter `init' as int.
2451 * sched.c: Include <stdlib.h>.
2452 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
2453 (rank_for_schedule): Add parentheses around assignment used as
2455 (schedule_block): Likewise.
2456 (regno_use_in): Likewise.
2457 (schedule_insns): Remove unused variable `i'.
2459 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
2460 (v_message_with_decl): Remove unused variable `n'.
2461 (botch): Explicitly declare parameter `s' as char *.
2462 (main): Add parentheses around assignment used as truth value.
2464 * tree.c (make_node): Protect the variable `kind' with the
2465 GATHER_STATISTICS macro.
2466 (real_value_from_int_cst): Move variable `e' inside conditional
2467 macro area where it is used.
2468 (tree_last): Add parentheses around assignment used as truth value.
2469 (build1): Protect the variable `kind' with the GATHER_STATISTICS
2471 (print_obstack_statistics): Reconcile format vs. args in fprintf.
2472 Protect variables `i', `total_nodes', and `total_bytes' with the
2473 GATHER_STATISTICS macro.
2475 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
2477 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
2478 some comments regarding use of dead_or_set_p.
2480 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
2482 * fixincludes: Tweak fix for struct exception in math.h
2484 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
2486 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
2487 Change mode of registers used to add/sub from
2488 hard_frame_pointer_rtx from word_mode to Pmode.
2490 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
2492 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
2493 asm_output_aligned_bss() instead of asm_output_bss().
2495 * toplev.c (rest_of_compilation): Replace references to
2496 stack_reg_dump_file and dbr_sched_dump_file with references to
2499 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2501 * tlink.c (scan_linker_output): Call fclose() for opened files.
2503 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
2505 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
2506 compiling with -fpic -- we want to be able to override symbols
2508 (alpha_expand_block_move): Fix thinko in last change.
2510 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
2511 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
2512 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
2514 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
2516 * alpha.md (abssf, absdf): Revert last change.
2518 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
2520 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
2521 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
2523 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
2525 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
2526 a CONST_INT into SFmode.
2528 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
2530 * flags.h: New flag (optimize_size).
2531 * toplev.c (main): Parse -Os option and set optimize_space
2533 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
2534 __OPTIMIZE_SIZE__ when compiling with -Os.
2535 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
2536 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
2537 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
2539 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
2541 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
2543 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
2544 stuff only if MCT_TEXT is #define'd.
2546 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
2548 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
2551 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
2553 * toplev.c: Add -dM command line option to dump RTL after the
2554 machine dependent reorganisation pass, if there is one.
2555 Reorganise RTL dump code, so that only one file handle is
2558 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
2560 * except.c (check_exception_handler_labels): Disable warning when
2563 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
2565 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
2567 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2569 * c-decl.c (grokdeclarator): Get parameter tags from
2570 last_function_parm_tags.
2571 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
2572 traversing the parameter types.
2573 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
2575 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
2577 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
2579 (get_shift_alg): Fix typo.
2581 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
2583 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
2585 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
2587 * toplev.c (get_run_time): Make sure each case gets its variables.
2589 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
2591 * configure.in (build_xm_file): Add auto-config.h if host=build.
2592 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
2593 (build_xm_file_list): Likewise.
2594 * configure: Rebuild.
2596 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
2598 * recog.c (validate_replace_rtx_1): Only perform substitutions
2599 of arguments to commutative and comparison operators once.
2601 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2603 * sparc.c (output_cbranch): Add default case in
2606 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
2607 (emit_delay_sequence): Eliminate unused parameter, all callers
2609 (fill_simple_delay_slots): Likewise.
2610 (fill_slots_from_thread): Likewise.
2611 (fill_eager_delay_slots): Likewise.
2612 (mark_referenced_resources): Add default case in enumeration switch.
2613 (mark_set_resources): Likewise.
2614 (rare_destination): Likewise.
2615 (mostly_true_jump): Likewise.
2616 (find_dead_or_set_registers): Likewise.
2617 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
2618 (update_reg_unused_notes): Remove unused variable `p'.
2619 (mark_target_live_regs): Remove unused variables `next' and
2621 (fill_simple_delay_slots): Remove unused variable `j'.
2622 (fill_slots_from_thread): Add parentheses around assignment used
2624 (dbr_schedule): Likewise.
2626 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
2627 (objc.stage2, objc.stage3, objc.stage4): Likewise.
2629 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
2631 * cse.c (simplify_ternary_operation): Don't try to simplify
2632 IF_THEN_ELSE expressions (created by combine) that don't use
2633 relational operators.
2635 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
2637 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
2640 * crtstuff.c (init_dummy): Keep the epilogue in the init
2641 section for non-ELF systems.
2643 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2645 * sh.md (movqi_i+1): New peephole.
2647 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
2649 * Makefile.in: Remove remaining bytecode stuff.
2650 * emit-rtl.c, expr.c: Likewise.
2652 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
2654 * toplev.c (lang_options): Add unknown-pragma options.
2656 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
2658 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
2659 special (and incomplete) handling for Chill arrays.
2661 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
2663 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
2666 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
2668 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
2670 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
2672 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
2673 .frame directive instead of FRAME_POINTER_REGNUM.
2675 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
2677 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
2678 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
2679 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
2680 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
2681 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
2682 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
2683 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
2684 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
2686 * longlong.h: Replace __mc68332__ with __mcpu32__.
2688 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
2690 * version.c: Bump for snapshot.
2692 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
2694 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
2695 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
2696 * reload1.c (eliminate_regs): Likewise.
2698 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
2700 * regmove.c (find_matches): Initialize matches->earlyclobber too.
2702 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
2704 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
2705 (negsf2, negdf2): Use proper subtract in IEEE mode.
2707 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
2709 * Makefile.in: Remove more bytecode stuff.
2710 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
2711 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
2712 * f/install.texi, objc/Make-lang.in: Likewise.
2714 * Makefile.in: Remove all bytecode support.
2715 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
2716 * emit-rtl.c: Remove all bytecode support.
2717 * expr.c, expr.h function.c, integrate.c: Likewise.
2718 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
2719 * tree.h, varasm.c: Likewise.
2720 * config/m68k/m68k.h: Likewise.
2721 * bi-*, bc-*, bytecode*: Delete bytecode related files.
2722 * modemap.def: Likewise.
2724 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
2726 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
2727 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
2729 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
2731 * i386.md (push): Prohibit symbolic constants if flag_pic.
2732 (movsi+1): Likewise for move to non-register.
2734 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
2736 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
2737 (print_operand): Handle 0xffffffff on 32 bit host.
2739 * configure.in (thread_file): Rename uses before main loop to
2740 target_thread_file. Initialize to empty in main loop. Set thread_file
2741 to target_thread_file after main loop if not set.
2742 * configure: Rebuild.
2744 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
2745 (add_values_to_cover): Revert last change (which had no ChangeLog
2747 (simplify_with_current_value_aux): Handle CONST_INT.
2749 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2751 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
2753 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
2755 * configure.in: Add cpp stringify test.
2756 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
2757 * gengenrtl.c: Use it.
2758 * configure, config.in: Rebuild.
2760 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2762 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
2764 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
2766 * configure.in: Find declaration for sbrk.
2767 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
2768 * config.in, configure: Rebuild.
2769 * mips-tfile.c: Properly protect declaration of sbrk and free.
2770 * toplev.c: Properly protect declaration of sbrk.
2772 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
2774 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
2776 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
2778 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
2780 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
2782 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
2784 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
2786 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
2787 constant offset computations from objects with known alignment in
2788 the presence of STACK_BIAS.
2790 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
2792 (const_hash): Hash val is unsigned long.
2793 (SYMHASH): Likewise.
2795 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
2797 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
2798 char pointer, not HOST_WIDE_INT.
2799 (print_node): Likewise. Also hash is unsigned long not
2802 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
2804 * explow.c (optimize_save_area_alloca): New function for targets
2805 where SETJMP_VIA_SAVE_AREA is true.
2806 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
2807 compute the amount of stack space needed should we find later that
2808 setjmp is never called by this function, stuff rtl for this inside
2809 a REG_NOTE of the final SET of stack_pointer_rtx.
2810 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
2811 current_function_calls_alloca, call optimize_save_area_alloca.
2813 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
2815 * i386.md: Remove redundant integer push patterns.
2816 Don't bother checking for TARGET_PUSH_MEMORY when
2817 pushing constants or registers.
2819 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
2820 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
2822 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
2823 (pwait): New function for mingw32.
2825 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
2826 pipe support is broken for now.
2828 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
2830 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
2831 between frame_pointer_rtx, hard_frame_pointer_rtx, and
2832 arg_pointer_rtx is respected in initialization.
2833 (init_emit_once): Use gen_rtx_raw_REG() to create
2834 return_address_pointer_rtx.
2836 * reorg.c: #include "expr.h" for rtx prototypes.
2837 * Makefile.in (reorg.o): Depend on expr.h
2839 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
2841 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
2842 local_prefix to sub-make invocations.
2844 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
2846 * objc-parse.c: Recognize protocol qualifiers in class definitions.
2848 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
2852 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
2853 * configure.in: Check for atol.
2854 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
2856 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
2858 * loop.c (find_and_verify_loops): When attempting to move insns from
2859 inside the loop outside the loop, create a BARRIER if no suitable
2862 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
2863 favor of an equivalent change from gcc-2.8.
2865 * i386/x-sco5 (CC): Remove trailing whitespace.
2867 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2869 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
2870 (accessor_from_format): Likewise.
2871 (xmalloc): New function for use when linking with alloca.o.
2873 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2875 * frame.c (find_fde): Correct FDE's upper bound.
2877 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
2879 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
2881 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
2883 * calls.c (expand_call): Move #ifdef code out of macro argument
2885 (emit_library_call, emit_library_call_value): Likewise.
2887 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
2889 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
2891 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
2893 * version.c: Bump for snapshot.
2895 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
2897 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
2898 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
2899 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
2900 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
2901 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
2902 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
2903 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
2904 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
2905 * unroll.c, varasm.c: Likewise.
2906 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
2908 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
2910 * mips.h: Fix some type-o's from a previous change.
2912 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
2914 * loop.c (check_dbra_loop): Make sure initial value is a
2915 CONST_INT before trying to normalize it.
2917 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
2919 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
2921 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
2923 * cppexp.c: Include gansidecl.h
2925 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
2927 * svr4.h (LINK_SPEC): Never specify -h.
2928 * ptx4.h (LINK_SPEC): Likewise.
2929 * rs6000/sysv4.h (LINK_SPEC): Likewise.
2930 * sparc/sol2.h (LINK_SPEC): Likewise.
2932 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
2934 * c-typeck.c (comptypes): Exit early on NULL input.
2936 * haifa-sched.c (schedule_insns): Correctly remove inter-block
2937 dependencies after reload.
2939 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2941 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
2943 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
2945 * alpha/vms.h (DIR_SEPARATOR): define
2947 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2949 * Makefile.in (stamp-proto): Remove.
2950 (protoize.o, unprotoize.o): Straightforward compile.
2951 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
2953 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
2955 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
2956 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
2958 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
2960 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
2961 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
2962 * sparc/netbsd.h, vax/netbsd.h: Likewise.
2964 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
2966 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
2968 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
2970 * configure.in (target_cpu_default, target_cpu_default2): Use double
2971 quotes around them when testing their value.
2972 * configure: Rebuilt.
2974 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
2976 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
2978 (gendef): Call obstack_alloc_rtx.
2980 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
2982 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
2985 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
2987 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
2988 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
2989 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
2991 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
2993 * mips.md (return_internal): Change mode from SImode to VOIDmode.
2995 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
2997 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
3000 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
3002 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
3003 suffix from operand 3.
3005 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3006 Jeffrey A Law (law@cygnus.com)
3008 * regmove.c: New implementation of regmove pass.
3009 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
3010 decls, make them have external linkage. Return a value from
3011 optimize_reg_copy_1.
3012 * reload.h (count_occurrences): Add decl.
3013 * reload1.c (count_occurrences): Delete decl, make it have external
3015 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
3017 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
3019 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
3020 if it is not defined.
3022 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
3024 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
3025 * emit-rtl.c (gen_rtx): Move special code to ...
3026 (gen_rtx_CONST_INT): New function.
3027 (gen_rtx_REG): New function.
3028 (*): Update all calls to gen_rtx.
3029 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
3030 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
3031 (GEN_INT): Call gen_rtx_CONST_INT.
3032 * gengenrtl.c: New file.
3034 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
3036 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
3037 (base_alias_check): If no base found for address call canon_rtx and
3040 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
3042 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
3043 arguments for mips16.
3044 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
3045 Don't lose if tsize is zero after handling large stack for mips16.
3046 * mips.md (return): For trivial return, return address is in $31.
3048 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
3050 * mips/mips16.S: Various changes to make it work with -msingle-float
3053 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
3054 Ian Lance Taylor <ian@cygnus.com>
3055 Jeff Law <law@cygnus.com>
3057 * mips.c, mips.h, mips.md: First cut at merging in mips16
3058 support. Major modifications throughout all three files.
3060 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
3062 * configure.in: Make gthr-default.h a forwarding header instead of
3065 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3067 * gcov-io.h: Include sys/types.h to ensure we get size_t.
3069 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
3071 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
3072 Jeffrey A Law (law@cygnus.com)
3074 * crtstuff.c (__frame_dummy): New function for irix6.
3075 (__do_global_ctors): Call __frame_dummy for irix6.
3076 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
3078 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
3080 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
3082 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
3084 * c-decl.c (init_decl_processing): Provide proper fallback symbol
3085 for __builtin_memset.
3086 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
3087 not INTEGER_CST. Assert arg 3 is a constant.
3089 * alpha.c (mode_width_operand): Accept 64-bit modes.
3090 (mode_mask_operand): Likewise.
3091 (print_operand): Likewise for 'M' and 'U' codes.
3092 (alpha_expand_unaligned_load): New function.
3093 (alpha_expand_unaligned_store): Likewise.
3094 (alpha_expand_unaligned_load_words): Likewise.
3095 (alpha_expand_unaligned_store_words): Likewise.
3096 (alpha_expand_block_move): Likewise.
3097 (alpha_expand_block_clear): Likewise.
3098 * alpha.h (MOVE_RATIO): New define.
3099 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
3100 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
3102 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
3103 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
3105 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
3107 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
3108 * configure: Update.
3110 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
3112 * emit-rtl.c (operand_subword): Correctly handle extracting a word
3113 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
3115 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
3118 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
3120 * configure.in: Set and subsitute host_exeext. Use it when creating
3121 the assembler and linker symlinks.
3122 * configure: Rebuild.
3123 * Makefile.in (exeext): Set to @host_exeext@.
3124 (build_exeext): New variable, set to @build_exeext@.
3125 (FLAGS_TO_PASS): Pass down build_exeext.
3126 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
3129 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
3131 * mn10200.md (addsi3, subsi3): Fix thinkos.
3133 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
3135 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
3136 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
3137 unix always, since we want to be able to thunk to functions in a
3138 shared library from an application.
3140 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
3142 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
3143 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
3145 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
3147 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
3148 offset's mode is not ptr_mode, convert it.
3150 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
3152 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
3153 compiling if it was already defined.
3155 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
3157 * flow.c (find_basic_blocks): Don't create a new basic block
3158 for calls in a LIBCALL block.
3160 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
3162 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
3164 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
3166 * cse.c (rtx_cost): Remove conflicting default case.
3168 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
3170 * configure.in: Move default enabling of Haifa out of for loop.
3171 * configure: Rebuild.
3173 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
3175 * version.c: Bump for snapshot.
3177 1997-12-25 Teemu Torma <tot@trema.com>
3179 * Makefile.in (GTHREAD_FLAGS): New var.
3180 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
3181 (distclean): Remove gthr-default.h.
3183 * configure.in: Accept dce as a thread package.
3184 Check for thread.h and pthread.h.
3185 Link gthr-default.h to appropriate thread file and set
3187 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
3188 include multilib definitions from pa/t-dce-thr.
3189 (sparc-*-solaris2*): Enable threads by default, if thread.h or
3190 pthread.h is found, preferring posix threads over solaris ones.
3192 * config/pa/t-dce-thr: New file.
3193 * config/pa/t-pa: Removed multilibs.
3194 * config/sparc/t-sol2: Ditto.
3197 * gthr-single.h: New file.
3198 * gthr-posix.h: New file.
3199 * gthr-solaris.h: New file.
3200 * gthr-dce.h: New file.
3201 * libgcc-thr.h: Removed.
3202 * objc/thr-dce.c: New file copied from thr-decosf1.c.
3204 * frame.c: Include gthr.h instead of libgcc-thr.h.
3205 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
3206 (eh_context_initialize): If __gthread_once fails, use static eh
3208 (eh_context_free): Call __gthread_key_dtor.
3210 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
3212 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
3214 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
3216 * cse.c (max_insn_uid): New variable.
3217 (cse_around_loop): Use max_insn_uid.
3218 (cse_main): Set max_insn_uid.
3220 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
3221 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
3222 -mlong64, and -mgp{32,64} options.
3223 * mips.c (mips_abi): Change type to int.
3224 * mips.h (enum mips_abi_type): Delete.
3225 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
3226 (mips_abi): Change type to int.
3228 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
3230 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
3231 optimization is now always enabled.
3233 * calls.c (expand_call): Recognize C++ operator new as malloc-like
3236 * alias.c (memrefs_conflict_p): Eliminate tests now done by
3238 (*_dependence): Call canon_rtx before base_alias_check.
3239 (init_alias_once): New function to precompute set of registers which
3240 can hold Pmode function arguments.
3242 * rtl.h: Declare init_alias_once.
3244 * toplev.c (compile_file): Call init_alias_once.
3246 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
3248 * tree.c (restore_tree_status): Do not dereference a null pointer.
3250 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
3252 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
3253 RLIMIT_STACK. This maintains consistency with the recent, similar
3254 patch to cccp.c and toplev.c.
3256 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
3258 * genattrtab.c (expand_units): For large nr opclasses, expand
3259 function_units_used with ORX to prevent blowups. Tag with FFS.
3260 (num_unit_opclasses): New variable.
3261 (gen_unit): Update it.
3262 (enum operator): Add ORX_OP.
3263 (operate_exp): Treat ORX as or, except don't expand across an if.
3264 Reuse number rtx's after operating on them.
3265 (check_attr_value): Accept IOR, AND, & FFS.
3266 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
3267 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
3268 (write_expr_attr_cache, write_toplevel_expr): New functions.
3269 (write_attr_get): Handle FFS-tagged expressions.
3270 (make_canonical): Don't expand const attributes.
3271 (convert_const_symbol_ref): Dike out.
3272 (evaluate_eq_attr): Handle SYMBOL_REF.
3273 (main): Don't emit get_attr_foo for const attributes.
3275 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
3276 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
3277 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
3278 * alpha.md: Redo all of the scheduling, adding EV6 support, and
3279 combining function units where possible.
3280 (attr "type"): Split loads, stores, cmov into int/fp. Combine
3281 multiplies and divides. Add EV6 sqrt, ftoi, itof.
3282 (attr "opsize"): New attribute.
3283 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
3284 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
3285 to control register allocation.
3286 (movsi2-1, movdi2-1): Likewise.
3288 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
3290 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
3291 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
3292 Move OSF/1 specific defines out.
3293 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
3294 Move Linux specific defines out.
3295 (LINK_SPEC): Genericize.
3296 (ASM_FILE_START): Emit .arch if using more than the base insn set.
3297 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
3298 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
3299 (HANDLE_SYSV_PRAGMA): Define.
3300 * alpha/osf.h: New file.
3301 * alpha/linux.h: Split. Retain file-format independant defines.
3302 Import Linux bits from elf.h.
3303 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
3304 (FUNCTION_PROFILER): _mcount takes its address in $28.
3305 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
3306 * alpha/linux-ecoff.h: New file.
3307 * alpha/linux-elf.h: New file.
3308 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
3309 * alpha/win-nt.h (TARGET_DEFAULT): Define.
3310 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
3311 Add new headers as appropriate.
3313 * configure.in (alpha*): Enable Haifa by default.
3314 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
3315 * configure: Rebuild.
3317 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
3319 * Makefile.in (clean): Remove the stages with their objects here ...
3320 (distclean): ... instead of here.
3322 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3324 * cse.c (rtx_cost): Add default case in enumeration switch.
3325 * fix-header.c (recognized_macro): Likewise.
3326 (recognized_extern): Likewise.
3327 (write_rbrac): Likewise.
3328 * objc/objc-act.c (encode_aggregate): Likewise.
3329 (gen_declarator): Likewise.
3330 (gen_declspecs): Likewise.
3332 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
3334 * haifa-sched.c (create_reg_dead_note): Detect and handle another
3335 case where we kill more regs after sched than were killed before
3337 * sched.c (create_reg_dead_note): Similarly.
3339 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
3341 * c-pragma.c: Include flags.h.
3343 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
3345 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
3346 about system headers.
3347 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
3348 and also to resolve symbols in prefix.c.
3350 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
3351 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
3352 when the definitions in auto-config.h is not visible.
3353 (HAVE_BZERO): Likewise.
3354 (HAVE_BCMP): Likewise.
3355 (HAVE_RINDEX): Likewise.
3356 (HAVE_INDEX): Likewise.
3358 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
3360 * pa.c (emit_move_sequence): Handle a function label source
3363 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
3365 * c-pragma.c (handle_pragma_token): Generate warning messages
3366 about unknown pragmas if warn_unknown_pragmas is set.
3368 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
3369 line option to set variable: warn_unknown_pragmas.
3371 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
3373 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
3375 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
3377 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
3379 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
3380 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
3381 generate more fine grained floating point emulation libraries.
3382 * config/fp-bit.c: Add protecting #ifdef to all functions so
3383 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
3384 then compile all suitable functions.
3385 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
3386 underscores to avoid namespace pollution.
3387 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
3389 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
3393 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3394 Jeff Law <law@cygnus.com>
3396 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
3398 * c-decl.c (finish_decl): Use parentheses around && within ||.
3399 * rtl.c: Include stdlib.h.
3400 (read_skip_spaces): Add parentheses around assignments used as
3402 (read_rtx): Initialize list_rtx.
3403 * cppexp.c (parse_number): Use || when operands are truth values.
3404 * alias.c (find_base_value): Add default case.
3405 (memrefs_conflict): Likewise.
3406 * combine.c (sets_function_arg_p): Likewise.
3407 * genemit.c (gen_exp): Likewise.
3408 * local-alloc.c (contains_replace_regs): Likewise.
3409 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
3410 * fold-const.c (fold_convert): Use "&&" for truth values.
3411 (fold): Add default case.
3412 * sdbout.c (sdbout_field_types): Fix typo in declaration.
3413 (sdbout_one_type): Add default case.
3414 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
3415 (some_operand): Add default case.
3416 (input_operand): Likewise.
3417 (signed_comparison_operator): Likewise.
3418 (divmod_operator): Likewise.
3419 (alpha_set_memflags_1): Likewise.
3420 * reload1.c (reload_cse_simplify_operands): Ensure function
3421 always returns a value.
3422 * scan-decls.c (scan_decls): Likewise.
3423 * c-lex.c (skip_white_space): Fix typo in declaraion.
3424 * c-typeck.c (comp_target_types): Add parentheses around assignment
3425 used as truth value.
3426 (print_spelling): Likewise.
3427 (constructor_implicit, constructor_result): Remove unused variables.
3428 * collect2.c (scan_library): Protect prototype with
3429 #ifdef SCAN_LIBRARIES.
3430 * emit-rtl.c (find_line_note): Fix typo in declaration.
3431 * final.c (asm_insn_count): Protect prototype with
3432 #ifdef HAVE_ATTR_length.
3433 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
3434 (try_pre_increment_1, try_pre_increment): Likewise.
3435 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
3436 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
3437 * gcov-io.h (__store_long, __write_long, __read_long): Fix
3438 unsigned/signed comparisons.
3439 * gcov.c (read_files): Remove unused "first_type" variable.
3440 (scan _for_source_files): Initialize s_ptr.
3441 (function_summary): Eliminate "%lf" formatting, use %ld for
3443 (output_data): Initialize branch_probs and last_line_num.
3444 Eliminate "%lf" formatting, use "%ld" for longs.
3446 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
3448 * mips16.S: New file.
3450 * libgcc2.c (varargs): Handle mips16.
3452 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
3454 * stmt.c (expand_end_case): Likewise.
3455 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
3456 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
3457 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
3459 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3461 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
3462 the build directory.
3463 (libobjc.a): Update dependency list.
3464 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
3466 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
3467 (objc.mostlyclean): Remove runtime-info.h.
3469 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
3471 * tree.c (build_range_type): Allow creation of ranges with no maximum.
3472 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
3473 * dwarf2out.c (add_subscript_info): Likewise.
3474 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
3475 * sdbout.c (plain_type_1): Likewise.
3476 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
3478 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
3481 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3483 * mips.c (fatal): Remove declaration.
3485 1997-12-18 Mark Mitchell <mmitchell@usa.net>
3487 * integrate.c (get_label_from_map): New function.
3488 (expand_inline_function): Use it. Initialize the label_map to
3489 NULL_RTX instead of gen_label_rtx.
3490 (copy_rtx_and_substitute): Use get_label_from_map.
3491 * integrate.h (get_label_from_map): New function.
3492 (set_label_from_map): New macro.
3493 * unroll.c (unroll_loop): Use them.
3494 (copy_loop_body): Ditto.
3496 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
3498 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
3499 (INIT_TARGET_OPTABS): Define.
3500 * mips/ecoff.h: Include gofast.h before mips.h.
3501 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
3502 * mips/elf64.h: Likewise.
3503 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
3505 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
3507 * except.c: Remove register_exception_table{,_p}.
3509 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
3511 * unroll.c (calculate_giv_inc): Handle constant increment found in
3512 a MEM with an appropriate REG_EQUAL note.
3514 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
3516 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
3517 frame pointer in the prologue.
3519 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
3521 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
3522 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
3524 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
3526 * config/m68k/m68k.c (output_function_prologue): Typecast
3527 dwarf2out_cfi_label to (char *).
3528 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
3530 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
3532 * sparc.md (jump): Don't use the annul bit around an empty loop.
3533 Patch from Kevin.Kelly@East.Sun.COM.
3535 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
3537 * jump.c: (jump_optimize): Don't use the return register as a
3538 source1 of a conditional move.
3540 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
3542 * sparc.c (DF_MODES): Or the mask not the bit number.
3543 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
3545 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3547 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
3549 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
3551 * fixincludes (size_t): Add support for Motorola's stdlib.h
3552 which fails to provide a definition for size_t.
3553 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
3554 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
3555 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
3557 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
3558 prevent unresolved externals in libio.
3559 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
3561 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
3563 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
3564 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
3565 (LIB_SPEC): Updated for glibc 2.
3567 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
3569 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
3570 * ginclude/varargs.h: Likewise.
3572 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
3574 * version.c: Bump for snapshot.
3576 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
3578 * frame.h (__register_frame, __register_frame_table,
3579 __deregister_frame): New.
3580 * frame.c (__register_frame, __register_frame_table,
3581 __deregister_frame): New.
3582 * frame.c (__deregister_frame_info): Return void *.
3583 * frame.h (__deregister_frame_info): Ditto.
3584 * collect2.c (__deregister_frame_info): Ditto.
3586 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
3588 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
3590 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
3592 * alpha.c (alpha_cpu_name): New variable.
3593 (alpha_mlat_string): Likewise.
3594 (alpha_memory_latency): Likewise.
3595 (override_options): Handle -mmemory-latency.
3596 (alpha_adjust_cost): Adjust load cost for latency.
3597 * alpha.h (TARGET_OPTIONS): Add meory-latency.
3598 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
3599 TARGET_CIX into account.
3600 (MEMORY_MOVE_COST): Define in terms of memory_latency.
3601 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
3603 * alpha.h (ASM_COMMENT_START): New macro.
3605 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
3607 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
3608 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
3610 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
3611 SUBREG_REG if the word count is unchanged.
3612 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
3613 subregs of identical word size for push_reload.
3615 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
3617 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
3618 if all we're doing is dealing with -Wreturn-type.
3620 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
3622 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
3623 Use and 255 instead of zapnot 1, since it schedules better.
3625 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
3627 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
3630 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
3632 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
3633 dependency we delete. Properly update prev for multiple consecutive
3635 (priority): Skip deleted dependence.
3637 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
3639 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
3641 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
3643 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
3644 determining when a new basic block starts.
3646 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
3648 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
3649 * pa.md (iorsi3): Add missing args to *_operand calls.
3651 * except.c (call_get_eh_context): Don't mess with sequences.
3652 (emit_eh_context): Include the call in the sequence here.
3654 1997-12-11 Paul Eggert <eggert@twinsun.com>
3656 * collect2.c (write_c_file_glob): Allocate initial frame object
3657 in static storage and pass its address.
3659 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
3661 * except.c (call_get_eh_context): Don't take a parm.
3662 Put the call at the top of the function.
3663 (emit_eh_context): Adjust.
3664 (get_eh_context): Replace with former use_eh_context.
3665 (get_eh_context_once, get_saved_pc_ref): Remove.
3666 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
3668 * integrate.c (expand_inline_function): Adjust.
3669 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
3671 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
3673 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
3674 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
3676 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
3678 * fixincludes (strlen,strspn,strcspn return value): Handle different
3680 (hypot): Provide a fake for hypot which is broken on
3681 m88k-motorola-sysv3.
3683 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
3685 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
3686 tree_code_name from pointers to arrays.
3687 * tree.c: Remove standard_tree_code_* variables, no longer used.
3688 * print-tree.c: Remove declaration of tree_code_name.
3690 * cp/lex.c (init_lex): Update for tree_code_* changes.
3691 * objc/objc-act.c (init_objc): Likewise.
3693 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
3696 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
3698 * config.sub: Add support for BeOS target.
3699 * configure.in: Likewise.
3700 * ginclude/stdarg.h: Likewise.
3701 * ginclude/stddef.h: Likewise.
3702 * ginclude/varargs.h: Likewise.
3703 * rs6000/beos.h: New file for BeOS.
3704 * rs6000/t-beos: Likewise.
3705 * rs6000/x-beos: Likewise.
3706 * rs6000/xm-beos.h: Likewise.
3707 * toplev.c (get_run_time): Just return 0 on BeOS.
3709 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
3710 Toon Moene (toon@moene.indiv.nluug.nl)
3712 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
3713 old and broken Sun3 assemblers. Newer versions handle large
3714 offsets correctly as does the GNU assembler.
3716 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3718 * objc/objc-act.c (lang_report_error_function): Disable.
3719 * objc/objc-parse.y: Include "output.h".
3720 (yyerror): Remove redundant decl.
3721 (yyprint): Fix prototype.
3722 (apply_args_register_offset): Remove redundant decl.
3723 (get_file_function_name): Likewise.
3725 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
3727 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
3729 (find_basic_blocks_1): Likewise.
3731 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
3733 * except.c (use_eh_context): Don't copy_rtx a REG.
3734 (emit_throw): Lose old unwinder support.
3735 (expand_internal_throw): Likewise.
3736 * libgcc2.c (struct eh_context): Likewise.
3737 (new_eh_context): Likewise.
3738 (__get_eh_info): Lose redundant cast.
3739 (__get_dynamic_handler_chain): Likewise.
3740 (__get_saved_pc): Lose.
3741 Lose all old unwinder support code.
3743 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
3745 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
3747 * integrate.c (expand_inline_function): If the inline fn uses eh
3748 context, make sure that the current fn has one.
3749 * toplev.c (rest_of_compilation): Call emit_eh_context.
3750 * except.c (use_eh_context): New fn.
3751 (get_eh_context_once): New fn.
3752 (call_get_eh_context): New fn.
3753 (emit_eh_context): New fn.
3754 (get_eh_context): Call either get_eh_context_once or
3755 call_get_eh_context, depending on what we have.
3756 (get_dynamic_handler_chain): Call get_eh_context_once.
3757 * except.h: Prototypes for fns above.
3758 * optabs.c (get_eh_context_libfunc): Removed.
3759 (init_optabs): Don't initialize it.
3760 * expr.h (get_eh_context_libfunc): Removed.
3761 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
3762 * config/pa/pa.h (CPP_SPEC): Support for -threads.
3763 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
3764 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
3765 New multilib for -threads.
3766 * config/sparc/t-sol2: Added multilibs for -threads and
3767 made -pthreads alias to it.
3768 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
3769 Added -threads and -pthreads options.
3770 * libgcc-thr.h: New file.
3771 * libgcc2.c: (__get_cpp_eh_context): Removed.
3772 (struct cpp_eh_context): Removed.
3773 (struct eh_context): Replaced cpp_eh_context with generic language
3775 (__get_eh_info): New function.
3776 (__throw): Check eh_context::info.
3778 * libgcc2.c: Include libgcc-thr.h.
3779 (new_eh_context, __get_eh_context,
3780 eh_pthread_initialize, eh_context_initialize, eh_context_static,
3781 eh_context_specific, eh_context_free): New functions.
3782 (get_eh_context, eh_context_key): New variables.
3783 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
3784 get_eh_context to get the context.
3785 (longjmp): Move the declaration inside
3786 #ifdef DONT_USE_BUILTIN_SETJMP.
3787 * frame.c: Include libgcc-thr.h.
3788 (object_mutex): Mutex to protect the object list.
3789 (find_fde, __register_frame, __register_frame_table,
3790 __deregister_frame): Hold the lock while accessing objects.
3791 * except.h (get_eh_context): Declare.
3792 * except.c (current_function_ehc): Define.
3793 (current_function_dhc, current_function_dcc): Removed.
3794 (get_eh_context): New function.
3795 (get_dynamic_handler_chain): Use get_eh_context.
3796 (get_saved_pc_ref): Ditto.
3797 (get_dynamic_cleanup_chain): Removed references to
3798 current_function_dcc.
3799 (save_eh_status, restore_eh_status): Save and restore
3800 current_function_ehc instead.
3801 * optabs.c (get_eh_context_libfunc): New variable.
3802 (init_optabs): Initialize it.
3803 * expr.h: Declare get_eh_context_libfunc.
3804 * function.h (struct function): Replaced dhc and dcc with ehc.
3805 * except.c (get_saved_pc_ref): New functions.
3806 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
3807 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
3809 (end_eh_unwinder): Likewise.
3810 (init_eh): Remove initialization of eh_saved_pc.
3811 * optabs.c (get_saved_pc_libfunc): New variable.
3812 (init_optabs): Initialize it.
3813 * expr.h: Declare get_saved_pc_libfunc.
3814 * except.h (eh_saved_pc_rtx): Deleted.
3815 (get_saved_pc_ref): Declared.
3817 From Scott Snyder <snyder@d0sgif.fnal.gov>:
3818 * libgcc2.c (__get_saved_pc): New.
3819 (__eh_type, __eh_pc): Deleted.
3820 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
3821 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
3824 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
3826 * sparc/sol2.h: Use 64 bit multiply and divide functions in
3827 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
3830 * rtl.h (global_rtl): New variable, replacing separate variables for
3832 (const_int_rtx): Now array of rtx_def, not rtx.
3833 * emit-rtl.c: Update for new rtl data structures.
3834 * genattrtab.c: Define global_rtl.
3836 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
3838 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
3841 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
3843 * crtstuff.c (__do_global_ctors): Fix typo.
3845 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
3847 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
3848 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
3850 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
3852 * rs6000.h (FUNCTION_ARG_PADDING): Define.
3853 * rs6000.c (function_arg_padding): New function.
3855 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
3857 * m68k.c: Include tree.h only once.
3859 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3861 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
3863 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
3865 * Partially cleaned up prototyping code from HJ.
3866 * tree.h: Add many prototypes.
3867 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
3868 All references changed.
3869 * rtl.h: Protect from multiple inclusions. Add many prototypes.
3871 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
3873 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
3874 string functions like strlen.
3876 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
3878 * configure.in: Check for functions getrlimit and setrlimit.
3879 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
3880 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
3882 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
3884 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
3886 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
3888 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
3891 * alpha.c (override_options): Don't know about scheduling for EV6.
3892 * alpha.md (ev5 function units): Don't overload as ev6.
3894 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
3895 * alpha.md (define_attr type): Add mvi.
3896 (ev5_e0): Define sceduling parameters for it.
3897 (TARGET_MAX insns): Type is mvi not shift.
3899 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
3901 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
3903 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3905 * cstamp-h, auto-config.h: Delete.
3907 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
3909 * version.c: Bump for snapshot.
3911 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
3913 * cccp.c: Fix typo brought over in merge.
3915 * Merge in changes from gcc-2.8.
3917 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
3919 * m68k.c: Include tree.h for dwarf2out_cfi_label.
3921 * gcc.c (process_command): Do not take address of function fatal when
3922 calling lang_specific_driver.
3924 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
3926 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
3927 doesn't work with it yet, so set it to 0.
3928 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
3930 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3932 * cse.c (cse_insn): Check for invalid entries when taking references.
3934 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3936 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
3937 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
3938 * toplev.c (rest_of_compilation): Pass it. Remove code to
3939 save / clear / restore flag_unroll_{,all_}loops.
3941 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
3943 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
3945 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
3947 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
3949 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
3951 * except.c (get_dynamic_handler_chain): Only make the call once per
3954 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
3956 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3958 * sh.c (final_prescan_insn): Use local label prefix
3959 when emitting .uses pseudo-ops.
3961 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3963 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
3964 * except.c: Lose outer_context_label_stack.
3965 (expand_eh_region_end): Rethrow from outer_context here.
3966 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
3967 (expand_internal_throw): Take no args.
3968 (expand_internal_throw_indirect): Lose.
3969 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
3970 (expand_start_all_catch): Start a rethrow region.
3971 (expand_end_all_catch): End it.
3972 (expand_rethrow): New fn.
3973 * except.h: Reflect above changes.
3974 * flow.c: Revert change of Nov 27.
3976 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
3978 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
3980 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3982 * except.c (expand_fixup_region_end): New fn.
3983 (expand_fixup_region_start): Likewise.
3984 (expand_eh_region_start_tree): Store cleanup into finalization here.
3985 * stmt.c (expand_cleanups): Use them to protect fixups.
3987 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
3989 * mips/mips.md (muldi3_r4000): Broaden the output template
3990 and attribute assignments to handle three operand dmult;
3991 rename to muldi3_internal2.
3992 (muldi3): Call the new muldi3_internal2 for R4000, and
3993 any GENERATE_MULT3 chip.
3995 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
3997 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
3999 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
4001 * unroll.c (find_splittable_givs): Remove last change. Handle givs
4002 with a dest_reg that was created by loop.
4004 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
4006 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
4008 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
4010 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
4012 * configure.in: Fix NCR entries.
4014 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
4016 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
4017 nested exceptions correctly.
4019 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
4020 that was created by loop.
4022 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4024 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
4026 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
4028 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
4030 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
4031 (print_operand): Use SMALL_DATA_REG for the register involved in
4032 small data relocations.
4033 (print_operand_address): Ditto.
4035 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
4036 -dynamic linker is not used.
4038 * rs6000.md (call insns): For local calls, use @local suffix under
4039 System V. Don't use @plt under Solaris.
4041 * rs6000.c (output_function_profiler): Put label address in r0, and
4042 store LR in 4(sp) for System V/eabi.
4044 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
4045 byte boundary, and maintain stack backchain.
4047 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
4049 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
4050 fix_truncsfdi2): Change *.
4052 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
4054 * toplev.c (main): Complain about -gdwarfn.
4056 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
4058 * dwarfout.c (output_type): If finalizing, write out nested types
4059 of types we've already written.
4061 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
4063 (patches originally from Geoffrey Keating)
4064 * rs6000.c (function_arg): Excess floating point arguments don't
4065 go into GPR registers after exhausting FP registers under the
4067 (function_arg_partial_nregs): Ditto.
4069 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
4072 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
4074 * integrate.c (output_inline_function): Just unset DECL_INLINE.
4076 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
4078 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
4081 * libgcc2.c (__throw): Initialize HANDLER.
4083 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
4085 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
4086 fix_truncsfdi2): Change *X to ?*X.
4088 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
4090 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
4092 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
4094 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
4096 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
4098 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
4100 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
4102 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
4103 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
4106 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
4108 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
4109 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
4110 gas and not using the new HP assembler.
4112 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
4114 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
4115 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
4117 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
4119 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
4120 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
4123 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4125 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
4127 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
4129 * except.h: Add outer_context_label_stack.
4130 * except.c: Likewise.
4131 (expand_start_all_catch): Push the outer_context for the try block
4132 onto outer_context_label_stack.
4133 (expand_end_all_catch): Use it and pop it.
4135 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
4137 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
4139 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
4141 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
4143 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
4145 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
4146 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
4148 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
4150 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
4151 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
4152 __builtin_delete, and __builtin_vec_delete.
4154 * except.c (output_exception_table): Don't bother with
4157 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
4159 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
4160 is an in/out operand.
4161 (zero extended variants of stwm/stwm patterns): Similarly.
4163 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
4165 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
4167 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
4169 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
4170 (output_call_frame_info): Emit a \n after using it.
4172 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
4174 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
4176 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
4178 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
4179 (ASM_OUTPUT_DWARF_VALUE4): New macro.
4180 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
4182 (output_call_frame_info): Do not output forward label differences
4183 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
4184 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
4186 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4188 * sh.md (attribute "type"): Add nil.
4189 (movsi_ie): y/y alternative is type nil.
4190 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
4192 (movsf_ie+1): Delete.
4194 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
4196 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
4197 large_int, emit two insns instead of one splitable insn.
4198 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
4199 from cfa_temp_value, use cfa_offset. Add assert checking that
4202 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
4204 * cccp.c (deps_output): Properly quote file names for make.
4206 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
4208 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
4210 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
4212 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
4214 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
4216 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
4218 (cse_end_of_basic_block): Similarly.
4220 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
4222 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
4223 (SELECT_RTX_SECTION): Define.
4224 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
4226 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
4228 * Makefile.in (compare, compare-lean): Define $stage for each
4230 (gnucompare, gnucompare-lean): Likewise.
4232 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
4234 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
4236 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
4237 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
4239 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
4241 * dwarfout.c (byte_size_attribute): Add local var upper_bound
4242 and add case to handle STRING_TYPE.
4243 * dwarfout.c (output_string_type_die): Fix code to generate
4244 correct string length attribute for fixed length strings.
4245 Still needs support for varying length strings.
4247 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
4249 * toplev.c (get_run_time): Do something sensible for cygwin32.
4251 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
4253 * expr.c (expand_builtin_setjmp): Set
4254 current_function_has_nonlocal_label.
4255 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
4256 call-saved registers across calls.
4258 * alpha.md (exception_receiver): Remove.
4259 (nonlocal_goto_receiver_osf): New
4260 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
4261 (nonlocal_goto_receiver): New, select _osf or _vms.
4263 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
4264 keep them from being propogated to the object file.
4265 (alpha_write_linkage): Likewise.
4266 * alpha.md (call_vms): Likewise.
4267 (call_value_vms): Likewise.
4268 (unnamed osf call insns): Likewise.
4270 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
4271 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4273 * alpha.c (call_operand): Any reg is valid for WinNT.
4274 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
4275 (anon nt calls): Add 'R' alternative.
4276 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
4277 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
4279 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
4281 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
4283 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
4284 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
4285 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
4287 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
4289 * reload1.c (new_spill_reg): Improve fixed or forbidden register
4290 spill error message.
4292 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4294 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
4295 use varargs.h. Wrap header with <>, not "".
4297 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
4299 * integrate.c (save_for_inline_copying): Add return value from
4302 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
4304 * fixincludes: Be a little more restrictive on what we will
4305 substitute to replace definitions of MAXINT for HPUX.
4307 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
4309 * dbxout.c (dbxout_symbol_location): Don't assume that variables
4310 whose address is the stack or argument pointers are indirect
4313 1997-11-13 Paul Eggert <eggert@twinsun.com>
4315 * cccp.c, cpplib.c (compare_defs):
4316 Don't complain about arg name respellings unless pedantic.
4317 * cpplib.c (compare_defs): Accept pfile as new arg.
4318 All callers changed.
4320 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4322 * fold-const.c (fold_truthop): Fix bug in last change.
4324 1997-11-13 Paul Eggert <eggert@twinsun.com>
4326 Fix some confusion with IEEE minus zero.
4328 * real.h (REAL_VALUES_IDENTICAL): New macro.
4330 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
4331 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
4333 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
4334 same tree structure as 0.0.
4336 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
4337 macro instead of doing it by hand.
4339 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
4341 * v850/lib1funcs.asm: Minor whitespace changes.
4342 * v850.c: Fix minor formatting problems in many places.
4343 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
4345 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
4347 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
4348 xplus1 when xplus0 is not a register.
4350 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
4352 * flow.c (find_basic_blocks): During marking phase, if we encounter
4353 an insn with a REG_LABEL note, make the target block live and
4354 create an edge from the insn to the target block. Do not make
4355 edges from all blocks to the target block.
4357 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
4359 * confiugre.in: Tweak NCR entries.
4360 * configure: Rebuilt.
4362 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
4364 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
4365 pick apart floating point values, instead of using CONST_DOUBLE_LOW
4366 and CONST_DOUBLE_HIGH.
4368 * rs6000.md (define_splits for DF constants): Use the appropriate
4369 REAL_VALUE_* interface to pick apart DF floating point constants in
4370 a machine independent fashion.
4372 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4374 * fold-const.c (fold_truthop): When changing a one-bit comparison
4375 against zero into a comparison against mask, do a proper sign
4378 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
4380 * except.c: Do not include "assert.h".
4381 (save_eh_status): Turn asserts into conditional aborts.
4382 (restore_eh_status, scan_region): Likewise.
4383 * dwarfout.c: Do not include "assert.h".
4384 (bit_offset_attribute): Turn asserts into conditional aborts.
4385 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
4386 (output_inlined_structure_type_die): Likewise.
4387 (output_inlined_union_type_die): Likewise
4388 (output_tagged_type_instantiation): Likewise.
4389 (dwarfout_file_scope_decl): Likewise.
4390 * dwarf2out.c: Do not include "assert.h"
4391 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
4392 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
4393 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
4394 (add_bit_size_attribute, scope_die_for): Likewise.
4395 (output_pending_types_for_scope): Likewise.
4396 (get_inlined_enumeration_type_die): Likewise.
4397 (get_inlined_structure_type_die): Likewise.
4398 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
4399 (gen_tagged_type_instantiation_die): Likewise.
4401 * flow.c (find_basic_blocks): Refine further to get a more correct
4402 cfg, especially in the presense of exception handling, computed
4403 gotos, and other non-trivial cases. Call abort if an inaccuracy
4404 is detected in the cfg.
4406 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4408 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
4410 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
4411 (skip_white_space): Use whitespace_cr.
4412 (check_newline): Handle whitespace more consistently.
4414 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
4416 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
4417 * i386/xm-cygwin32.h (POSIX): Define.
4419 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
4421 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
4422 is available elsewhere.
4424 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
4426 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
4427 what the instruction can handle.
4429 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
4431 * stmt.c (expand_decl_cleanup_no_eh): New fn.
4433 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
4435 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
4437 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
4438 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
4440 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
4442 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
4443 swap instruction order.
4445 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
4447 * fixinc.svr4 (__STDC__): Add another case.
4449 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4451 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
4452 addresses in the epilogue delay slot.
4454 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
4456 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
4457 in generated `specs' file.
4459 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
4461 * flags.h (flag_rerun_loop_opt): Declare.
4462 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
4463 * toplev.c (flag_rerum_loop_opt): Delete static.
4465 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4467 Bring over from FSF:
4469 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4471 * va-sh.h (__va_arg_sh1): Define.
4473 SH3E doesn't use any integer registers for subsequent arguments
4474 once a non-float value was passed in the stack.
4475 * sh.c (machine_dependent_reorg): If optimizing, put explicit
4476 alignment in front label for ADDR_DIFF_VEC.
4477 * sh.h (PASS_IN_REG_P): Fix SH3E case.
4478 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
4480 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4482 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
4485 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4487 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
4488 put an use_sfunc_addr before each sfunc.
4489 * sh.md (use_sfunc_addr, dummy_jump): New insns.
4490 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
4492 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4494 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
4496 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
4498 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
4501 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
4503 * alias.c (find_base_value): Only return the known base value for
4506 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
4508 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
4509 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
4511 (prologue_get_pc_and_set_got): New pattern.
4513 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
4515 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
4516 for SUBREG, just fall through.
4518 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
4520 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
4522 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
4524 * fixincludes: Fix "hypot" prototype in NeXT math.h.
4526 * Makefile.in (USE_ALLOCA): Always include alloca.o.
4527 (USE_HOST_ALLOCA): Likewise.
4529 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
4530 and LABEL_REFS fields.
4531 * rtl.h (LABEL_REFS): Update.
4533 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
4535 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
4536 sets i2dest. When calling distribute_notes for i3dest_killed, pass
4537 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
4540 * mips.md (insv, extzv, extv): Add change_address call.
4541 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
4543 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
4545 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
4547 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
4548 save_restore_insns if no FP and GP will be restored.
4550 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
4551 Convert CCmode to word_mode before calling GET_MODE_SIZE.
4553 * acconfig.h (HAVE_INTTYPES_H): Undef.
4554 * configure.in (inttypes.h): Check for conflicts between sys/types.h
4555 and inttypes.h, and verify that intmax_t is defined.
4556 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
4557 * config/mips/x-iris3: Likewise.
4559 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
4561 * alias.c (find_base_value): When copying arguments, return the
4562 tenative value for a hard register.
4564 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
4566 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
4567 (yylex): Record wide strings using target endianness, not host.
4569 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
4571 * mn10200.h (ASM_OUTPUT_BSS): Delete.
4572 (ASM_OUTPUT_ALIGNED_BSS): New macro
4573 * mn10300.h (ASM_OUTPUT_BSS): Delete.
4574 (ASM_OUTPUT_ALIGNED_BSS): New macro.
4575 * v850.h (ASM_OUTPUT_BSS): Delete.
4576 (ASM_OUTPUT_ALIGNED_BSS): New macro.
4578 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4580 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
4582 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
4584 * configure.in (sco5): Use cpio to install header files.
4586 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
4588 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
4590 * configure: Rebuild.
4592 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
4594 * i386/sco5.h: enable -gstabs once again.
4596 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
4598 * arm.c (output_move_double): Allocate 3 entries in otherops array.
4600 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
4602 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
4603 notes for sjlj exceptions too.
4604 (expand_eh_region_end): Similarly for EH_REGION_END notes.
4605 (exception_optimize): Optimize EH regions for sjlj exceptions too.
4606 * final.c (final_scan_insn): Don't output labels for EH REGION
4607 notes if doing sjlj exceptions.
4609 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
4611 * alias.c (init_alias_analysis): Handle -fno-alias-check when
4612 optimizing correctly.
4614 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
4615 or set current_function_calls_setjmp anymore.
4617 * flow.c (find_basic_blocks): If we delete the label for an
4618 exception handler, remove it from the EH label list and remove
4619 the EH_BEGIN/EH_END notes for that EH region.
4621 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
4623 * flow.c (find_basic_blocks): Generate correct flow control
4624 information when exception handling notes are present.
4626 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
4628 * dwarf2out.c (output_call_frame_info): Fix length argument
4629 to ASM_OUTPUT_ASCII.
4630 (output_die, output_pubnames, output_line_info): Likewise.
4632 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
4634 * version.c: Bump for snapshot.
4636 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
4637 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
4638 flag_debug_asm is on.
4639 (output_die, output_pubnames, output_line_info): Likewise.
4641 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
4642 and static_chain_rtx into the potential base values array if
4645 * alias.c (new_reg_base_value): New array of potential base values.
4646 (unique_id): Now file scoped static.
4647 (find_base_value, case REG): Return the value in reg_base_value
4648 array for the REG if it exists. Else, return the value from
4649 new_reg_base_value if copying args and REG is a hard register.
4650 (find_base_value, case PLUS): If either operand of the PLUS is
4651 a REG, try to get its base value. Handle base + index and
4653 (record_set): Use new_reg_base_value instead of reg_base_value.
4654 (init_alias_analysis): Allocate space for new_reg_base_value too.
4655 Rework code to iterate over the insns propagating base value
4656 information until nothing changes.
4658 * global.c (global_alloc): Free the conflict matrix after
4659 reload has finished.
4661 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
4663 * libgcc2.c (L_eh): Define __eh_pc.
4664 Replace __eh_type with generic pointer __eh_info.
4666 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
4668 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
4669 use copy_to_reg if address is not a general_operand.
4671 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4673 * profile.c (output_func_start_profiler): Clear flag_inline_functions
4674 for the duration of the call to rest_of_compilation.
4676 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
4678 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
4680 (sparc*-*-*): Recognize --with-cpu=v9.
4681 * sparc/elf.h: New file.
4682 * sparc/t-elf: New file.
4684 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
4686 * mn10300.c (const_8bit_operand): New function.
4687 (mask_ok_for_mem_btst): New funtion.
4688 * mn10300.md (btst patterns with mem operands): Use new functions
4689 to avoid creating btst instructions with invalid operands.
4691 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
4693 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
4694 are running on PowerPC Linux.
4696 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
4698 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
4699 if not previously defined.
4701 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
4703 * function.c (assign_parms): Correct mode of stack_parm if
4704 entry_parm underwent a mode conversion.
4706 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
4708 * global.c (global_alloc): Use xmalloc instead of alloca for
4709 CONFLICTS, since max_allocno * allocno_row_words alone can be more
4710 than 2.5Mb sometimes.
4712 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
4714 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
4715 DEST for the spill, adjust mode of SRC to compensate.
4717 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
4719 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
4720 since any_memory_operand() allows pseudos during reload.
4721 (reload_inhi, reload_outqi, reload_outhi): Likewise.
4723 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
4725 * m68k.md (btst patterns): Add 5200 support.
4727 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
4729 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
4730 optimizations, look inside dividend to determine if the expression
4731 can be simplified by using EXACT_DIV_EXPR.
4733 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
4736 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
4738 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
4740 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
4742 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
4744 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
4747 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
4749 * alpha.md (movqi, movhi): Make sure new insns created during reload
4750 won't need reloading themselves.
4751 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
4753 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
4755 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
4757 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
4759 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
4760 Patch from Klaus Kaempf <kkaempf@progis.de>.
4762 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
4764 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
4765 to an element in a constant string.
4767 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
4769 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
4770 bit PC-relative offset. The exception range table pointer is now in
4772 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
4773 (count_fdes, add_fdes, get_cie): Adjust.
4774 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
4777 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
4779 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
4781 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
4782 like stack_pointer_rtx.
4784 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
4786 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
4787 targets using "$@" to provide support for similar but not identical
4788 targets without having to duplicate code.
4789 (bootstrap4): New goal.
4791 * Makefile.in (compare, compare-lean, compare3): Combined to one
4792 ruleset determining actions to be performed via $@.
4793 (compare4, compare4-lean): New targets.
4794 (gnucompare, gnucompare3): Combined to one ruleset determining
4795 actions to be performed via $@. Also, note which files failed
4796 the comparison test in .bad_compare.
4797 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
4799 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
4801 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
4802 if the dividend is a multiple of the divisor.
4804 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
4806 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
4808 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
4811 * alias.c (true_dependence): Fix typo.
4813 * toplev.c (flag_rerun_loop_opt): New variable.
4814 (f_options): Handle -frerun-loop-opt.
4815 (rest_of_compilation): If -frerun-loop-opt, then run the loop
4817 (main): Enable -frerun-loop-opt by default for -O2 or greater.
4819 * loop.c (simplify_giv_expr): Adding two invariants results
4822 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
4824 * expr.c (get_inner_reference): Remove the array bias after
4825 converting the index to Pmode.
4827 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
4829 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
4830 (TARGET_MULT_BUG): Define.
4831 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
4832 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
4834 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
4836 * mn10200.c (indirect_memory_operand): Delete unused function.
4837 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
4838 * mn10200.md (bset, bclr insns): Handle output in a reg too.
4840 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
4842 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
4843 the callee's ldgp, we must do it ourselves, and we use the jsr tag
4844 for more than scheduling.
4846 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
4848 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
4850 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
4852 * mn10300.c (symbolic_operand, legitimize_address): New functions.
4853 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
4854 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
4856 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
4858 * version.c: Bump for snapshot.
4860 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4862 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
4865 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
4867 * toplev.c (flag_exceptions): Default value is 2.
4868 (compile_file): If flag_exceptions still has the value 2, then
4871 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
4872 (rs6000_save_machine_status): Save pic_offset_table_rtx.
4873 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
4875 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
4878 * rs6000.md (*movsi_got_internal_mem): New pattern.
4879 (*movsi_got_internal_mem splitter): New define_split.
4881 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
4883 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
4885 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
4887 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
4888 only need to save LR.
4890 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
4892 * mn10300.md (movqi, movhi): Avoid using address registers as
4893 destinations unless absolutely necessary.
4895 * mn10200.c (expand_prologue): Fix typo.
4897 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
4899 * mn10200.md (neghi2): Provide an alternative which works if
4900 the input and output register are the same.
4902 * mn10300.c (print_operand): Handle 'S'.
4903 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
4904 shift amount in last alternative
4906 * mn10300.c (expand_epilogue): Rework to handle register restores
4907 in "ret" and "retf" instructions correctly.
4909 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
4911 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
4912 extzv for memory operands.
4914 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
4915 redundant conditional moves to single operand.
4917 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
4919 * v850.h: Move define of __v850__ from CPP_PREDEFINES
4922 * xm-v850.h: Use __v850 rather than __v850__ to
4925 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
4927 * mips/mips.c (compute_frame_size): Not a leaf function if
4930 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
4932 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
4934 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
4936 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
4937 (DEFAULT_ARCH32_P): New macro.
4938 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
4939 (enum cmodel): Declare.
4940 (sparc_cmodel_string,sparc_cmodel): Declare.
4941 (SPARC_DEFAULT_CMODEL): Provide default.
4942 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
4943 (TARGET_FULLANY): Deleted.
4944 (TARGET_CM_MEDMID): New macro.
4945 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
4946 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
4947 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
4948 (CPP_SPEC): Rewrite.
4949 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
4950 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
4951 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
4952 (ASM_SPEC): Add %(asm_arch).
4953 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
4954 Rename asm_default to asm_cpu_default.
4955 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
4956 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
4957 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
4958 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
4959 (MASK_INT64,MASK_LONG64): Delete.
4960 (MASK_ARCH64): Renamed to MASK_64BIT.
4961 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
4962 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
4963 (TARGET_SWITCHES): Always provide 64 bit options.
4964 (ARCH64_SWITCHES): Delete.
4965 (TARGET_OPTIONS): New option -mcmodel=.
4966 (INT_TYPE_SIZE): Always 32.
4967 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
4968 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
4969 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
4970 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
4971 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
4973 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4974 * sparc/linux.h: Likewise.
4975 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
4976 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
4977 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
4978 (SPARC_DEFAULT_CMODEL): Define.
4979 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4980 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4981 (LONG_DOUBLE_TYPE_SIZE): Define.
4982 (ASM_SPEC): Add %(asm_arch).
4983 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4984 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4985 (TARGET_CPU_DEFAULT): Add ultrasparc case.
4986 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
4987 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
4988 (SPARC_DEFAULT_CMODEL): Define.
4989 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
4990 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
4991 MASK_LONG64, MASK_MEDANY.
4992 (SPARC_DEFAULT_CMODEL): Define.
4993 (CPP_PREDEFINES): Delete.
4994 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4995 (ASM_SPEC): Add %(asm_arch).
4996 (LONG_DOUBLE_TYPE_SIZE): Define.
4997 (DWARF2_DEBUGGING_INFO): Define.
4998 * sparc/splet.h (CPP_SPEC): Delete.
4999 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5000 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
5001 (BLOCK_PROFILER): Likewise.
5002 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
5003 (sparc_override_options): Handle code model selection.
5004 (sparc_init_expanders): Renamed from sparc64_init_expanders.
5005 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
5006 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
5007 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
5008 (sethi_di_fullany): Delete.
5010 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
5011 Jeff Law <law@cygnus.com>
5012 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5014 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
5015 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
5016 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
5017 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
5018 * alpha/alpha.md (arg_home): Likewise.
5020 * alpha/alpha.c (vmskrunch): Delete
5021 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
5022 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
5023 truncate to 64 characters.
5025 * make-l2.com: Support openVMS/Alpha.
5027 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
5029 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5031 * longlong.h (count_leading_zeros): Add missing casts to USItype.
5033 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
5035 * i386/bsd386.h (ASM_COMMENT_START): Define.
5037 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
5039 * tree.c (restore_tree_status): Also free up temporary storage
5040 when we finish a toplevel function.
5041 (dump_tree_statistics): Print stats for backend obstacks.
5043 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
5045 * expr.c (use_group_regs): Don't call use_reg for MEMs.
5047 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
5049 * libgcc2.c (__throw): Don't copy the return address.
5050 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
5052 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
5053 * toplev.c (main): Initialize exceptions_via_longjmp.
5055 * tree.c: Add extra_inline_obstacks.
5056 (save_tree_status): Use it.
5057 (restore_tree_status): If this is a toplevel inline obstack and we
5058 didn't want to save anything on it, recycle it.
5059 (print_inline_obstack_statistics): New fn.
5060 * function.c (pop_function_context_from): Pass context to
5061 restore_tree_status.
5062 * obstack.h (obstack_empty_p): New macro.
5064 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
5066 * i386/freebsd.h (ASM_COMMENT_START): Fix.
5068 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
5070 * v850.c (ep_memory_offset): New function.
5071 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
5073 * v850.h (CONST_OK_FOR_*): Add and correct comments.
5074 (CONSTANT_ADDRESS_P): Add comment.
5075 (EXTRA_CONSTRAINT): Define 'U'.
5076 * v850.md: Add comments on bit field instructions.
5077 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
5078 (lshrsi3): Use N not J constraint.
5080 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
5082 * v850.c (reg_or_0_operand): Call register_operand.
5083 (reg_or_int5_operand): Likewise.
5084 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
5085 (TARGET_SWITCHES): Add "big-switch".
5086 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
5087 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
5088 (CASE_DROPS_THROUGH): Comment out.
5089 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
5090 * v850.md (cmpsi): Delete compare mode.
5091 (casesi): New pattern.
5093 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
5094 * v850.md (ashlsi3): Use SImode not QImode for shift count.
5095 (lshrsi3): Likewise.
5097 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
5098 unreachable switch statement after 'b' support. Remove "b" from
5099 strings for 'b' support.
5100 * v850.md (branch_normal, branch_invert): Change %b to b%b.
5102 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
5104 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
5105 empty line if @inhibit_libc@ is empty.
5107 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
5109 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
5110 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
5111 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
5112 (DWARF2_UNWIND_INFO): Let this track object file format.
5113 (EXTRA_SECTIONS): Add in_eh.
5114 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
5115 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
5117 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
5119 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
5120 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
5122 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
5123 (output_double_int): Output DI mode values correctly when
5124 HOST_BITS_PER_WIDE_INT is 64.
5125 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
5126 fmovd so it works if a quad float ends up in one of the upper 32
5128 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
5129 necessary for PIC support on sparc64.
5131 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
5133 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
5134 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
5135 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
5136 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
5137 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
5138 (SPARC_FP_ARG_FIRST): New macro.
5139 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
5140 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
5141 (NPARM_REGS): There are 32 fp argument registers now.
5142 (FUNCTION_ARG_REGNO_P): Likewise.
5143 (FIRST_PARM_OFFSET): Update to new v9 abi.
5144 (REG_PARM_STACK_SPACE): Define for arch64.
5145 (enum sparc_arg_class): Delete.
5146 (sparc_arg_count,sparc_n_named_args): Delete.
5147 (struct sparc_args): Redefine and use for arch32 as well as arch64.
5148 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
5149 (FUNCTION_ARG_ADVANCE): Rewrite.
5150 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
5151 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
5152 (FUNCTION_ARG_CALLEE_COPIES): Delete.
5153 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
5154 (STRICT_ARGUMENT_NAMING): Define.
5155 (doublemove_string): Declare.
5156 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
5157 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
5158 (doublemove_string): New function.
5159 (output_move_quad): Clean up some of the arch64 support.
5160 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
5161 Don't add 8 bytes of reserved space if arch64.
5162 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
5163 (init_cumulative_args): New function.
5164 (function_arg_slotno): New static function.
5165 (function_arg,function_arg_partial_nregs): New functions.
5166 (function_arg_{pass_by_reference,advance}): New functions.
5167 (function_arg_padding): New function.
5168 * ginclude/va-sparc.h: Rewrite v9 support.
5170 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
5172 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
5173 for hard regs to determine base and index registers.
5175 * reload.c (debug_reload_to_stream): New function. Specify stream
5176 into which to write debug info.
5177 (debug_reload): Modify to call debug_reload_to_stream with stderr.
5179 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
5181 * combine.c (can_combine_p): Don't combine with an asm whose
5182 output is a hard register.
5184 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
5186 * c-decl.c (start_struct): Ensure that structs with forward
5187 declarations are in fact packed when -fpack-struct is given.
5189 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
5190 we are packing a structure. This allows a structure with only
5191 bytes to be aligned on a byte boundary and have no padding on a
5194 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5196 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
5198 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
5200 * alpha.c (alpha_return_addr_rtx): New variable.
5201 (alpha_save_machine_status): New; save it.
5202 (alpha_restore_machine_status): New; restore it.
5203 (alpha_init_expanders): New; clear it.
5204 (alpha_return_addr): New; set it.
5205 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
5206 is overly conservative, so search the insns explicitly.
5207 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
5208 (alpha_sa_size [VMS && !VMS]): Likewise.
5209 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
5210 (INIT_EXPANDERS): New definition.
5212 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
5213 (output_prolog [!VMS]): Use them.
5215 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
5216 (alpha_does_function_need_gp): ... a new function. Refine the
5217 CALL_INSN test to just TYPE_JSR.
5218 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
5220 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
5222 * version.c: Bump for snapshot.
5224 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5226 * pa.c (move_operand): Respect -mdisable-indexing.
5227 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
5229 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
5231 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
5233 (umulsidi3,umulsi3_highpart): Ditto.
5234 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
5236 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
5238 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
5239 (alpha_handle_trap_shadows): ... a new function. Handle the entire
5240 function in one go. Emit RTL for trapb, instead of printf directly.
5241 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
5242 (trap_pending): Kill global variable.
5243 (output_epilog): Don't call final_prescan_insn.
5244 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
5245 * alpha.h (FINAL_PRESCAN_INSN): Remove.
5246 (MACHINE_DEPENENT_REORG): Define.
5247 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
5250 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
5252 Tune Haifa scheduler for Alpha:
5253 * alpha.h (ISSUE_RATE): Define.
5254 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
5255 EV4 adjustments to EV5.
5256 * alpha.md: Remove all scaling from function unit delays. Rework
5257 EV5 function units to match the CPU.
5258 (umuldi3_highpart): EV5 added the IMULH insn class.
5260 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
5262 * pa.c (following_call): Fail if the CALL_INSN is an indirect
5265 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
5267 * cplus-dem.c (demangle_signature): Don't look for return types on
5268 constructors. Handle member template constructors.
5270 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
5272 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
5273 * tree.h: Declare them.
5275 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
5277 * configure.in: Handle --with-newlib.
5278 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
5280 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
5282 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
5284 * config/ptx4.h: Fix typo.
5286 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
5288 * version.c: Bump for snapshot.
5290 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
5292 * aclocal.m4: Substitute INSTALL.
5293 * configure: Re-built.
5295 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
5297 * integrate.c (save_for_inline_copying): Avoid undefined pointer
5299 (expand_inline_function): Likewise.
5301 * dwarf2out.c (output_call_frame_info): Reinstate last change
5302 using flag_debug_asm check instead of flag_verbose_asm.
5304 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
5306 * dwarf2out.c (output_call_frame_info): Remove last change.
5308 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5310 * frame.c (__frame_state_for): Execute the FDE insns until the
5311 current pc value is strictly bigger than the target pc value.
5313 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
5315 * regclass.c (init_reg_modes): If we can't find a mode for the
5316 register, use the previous one.
5318 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
5320 * haifa-sched.c (print_block_visualization): Call fprintf directly,
5321 don't sprintf through an alloca'ed buffer.
5323 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
5325 * reload.c (decompose): Always initialize val.base.
5327 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
5329 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
5330 instead of aborting.
5331 * dwarf2out.c (output_call_frame_info): Call app_enable and
5332 app_disable to let GNU as accept the generated comments.
5334 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
5336 * tree.h (get_file_function_name): Add declaration.
5337 * dwarf2out.c (output_call_frame_info): No need to cast
5338 get_file_function_name call anymore.
5339 * profile.c (toplevel): Remove get_file_function_name
5341 * c-lang.c (finish_file): Ditto.
5343 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
5345 * Makefile.in (program_transform_name): Let autoconf substitute
5348 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
5350 * haifa-sched.c (schedule_block): If the first real insn in a
5351 block has any special notes attached to it, remove them.
5353 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
5355 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
5357 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
5359 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
5361 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
5363 * Makefile.in (check-g77): New test target.
5364 (CHECK-TARGETS): Add check-g77.
5366 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
5368 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
5370 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
5372 * flow.c (print_rtl_with_bb): Cast alloca return value for
5375 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
5377 * i386.h (RETURN_ADDR_RTX): New definition that works for
5378 __builtin_return_address(0) and -fomit-frame-pointer.
5380 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
5382 Bring over from FSF.
5383 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
5385 * mips.c (function_arg): Handle passing a struct
5386 containing a double in a DFmode register without the PARALLEL.
5388 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
5390 * pexecute.c: Use spawn if __CYGWIN32__.
5392 * pexecute.c: Include "config.h" first, as per autoconf manual
5393 (from Paul Eggert <eggert@twinsun.com>).
5395 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
5397 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
5398 optimisation for f/expr.o and f/stb.o.
5400 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
5402 * cse.c (this_insn_cc0_mode): Initialize.
5404 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
5406 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
5408 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
5410 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
5412 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
5413 that pair will dual-issue on the 21164 and plus+beq won't.
5414 (bne): Likewise for cmpeq+beq.
5416 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
5418 * except.c (find_exception_handler_labels): Correct argument to free.
5420 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
5422 * except.c (find_exception_handler_labels): Free LABELS when we're
5425 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
5427 * version.c: Bump for snapshot.
5429 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
5431 * flow.c (find_basic_blocks): Mark calls as potentially jumping
5434 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
5436 * configure.in: Substitute for "install" too.
5437 * configure: Rebuilt.
5439 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
5441 * Makefile.in (bootstrap-lean, compare-lean): New targets.
5443 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
5445 * alias.c (base_alias_check): Two symbols can conflict if they
5446 are accessed via AND.
5447 (memrefs_conflict_p): Likewise.
5449 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
5450 after flushing argument registers to the stack.
5452 * Makefile.in (mostlyclean): Remove .regmove files.
5454 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
5456 * libgcc2.c (__throw): Fix thinko.
5458 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
5460 * cplus-dem.c (demangle_template): Add new parameter. Handle new
5461 template-function mangling.
5462 (consume_count_with_underscores): New function.
5463 (demangle_signature): Handle new name-mangling scheme.
5465 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
5467 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
5470 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
5472 * frame.c: Remove last change.
5473 * dwarf2.h: Remove last change.
5474 * tree.h: Add declarations of DWARF2 unwind info support
5477 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
5479 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
5480 * tree.h (built_in_function): Likewise.
5481 * expr.c (expand_builtin): Likewise.
5482 * except.h: Likewise.
5483 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
5484 * libgcc2.c (copy_reg): New fn.
5487 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
5489 * c-typeck.c (build_binary_op): Warn about comparing signed vs
5490 unsigned if -W is specified and -Wno-sign-compare is not.
5491 * c-decl.c (warn_sign_compare): Initialize to -1.
5492 (c_decode_option): -Wall no longer implies -Wsign-compare.
5494 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5496 * frame.c: Include gansidecl.h for PROTO.
5497 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
5498 defined. Don't declare dwarf2out_cfi_label here.
5499 * dwarf2.h: Add declarations of DWARF2 unwind info support
5501 * m68k.c: Include dwarf2.h.
5502 (output_function_prologue): Add dwarf2 support.
5503 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
5504 (INCOMING_FRAME_SP_OFFSET): Likewise.
5506 * integrate.c (expand_inline_function): Make sure there is at
5507 least one insn that can be used as an insertion point.
5509 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
5511 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
5513 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
5515 * version.c: Bump for snapshot.
5517 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
5519 Bring over from FSF.
5521 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
5523 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
5524 (get_pc_via_rdpc): Renamed from get_pc_sp64.
5525 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
5527 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
5529 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
5530 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
5532 (sparc_align_{loops,jumps,funcs}_string): Declare.
5533 (sparc_align_{loops,jumps,funcs}): Declare.
5534 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
5535 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
5536 (STACK_BIAS): Define.
5537 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
5539 (SPARC_SETHI_P): New macro.
5540 (CONST_OK_FOR_LETTER_P): Use it.
5541 (ASM_OUTPUT_ALIGN_CODE): Define.
5542 (ASM_OUTPUT_LOOP_ALIGN): Define.
5543 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
5544 (sparc_align_{loops,jumps,funcs}): New globals.
5545 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
5547 (move_operand): Use SPARC_SETHI_P.
5548 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
5550 (arith11_double_operand): Likewise.
5551 (arith10_double_operand): Likewise.
5552 (finalize_pic): Finish sparc64 support.
5553 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
5554 64 bit constants if able.
5555 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
5556 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
5558 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
5559 (get_pc_sp32): Use for sparc64 as well.
5560 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
5561 (sethi_di_sp64_const): Likewise.
5562 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
5563 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
5564 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
5566 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
5568 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
5569 * sparc/linux.h (COMMENT_BEGIN): Likewise.
5570 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
5572 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
5574 Add sparc64 linux support.
5575 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
5576 to xm_file list on 32-bit sparc-linux.
5577 * sparc/xm-sp64.h: New file.
5578 * sparc/linux64.h: New file.
5579 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
5580 Don't include xm-sparc.h.
5581 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
5582 * glimits.h (LONG_MAX): Handle sparc64.
5584 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
5586 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
5587 * sparc.h (ASM_COMMENT_START): Define.
5588 * sparc.c (output_function_prologue): Use it.
5589 (sparc_flat_output_function_{epi,pro}logue): Likewise.
5591 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
5593 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
5594 use sparc.h's copies.
5595 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
5598 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5600 * sparc.c (dwarf2out_cfi_label): Add declaration.
5601 (save_regs, output_function_prologue): Remove cast for it.
5602 (sparc_flat_{save_restore,output_function_prologue): Likewise.
5603 ({save,restore}_regs): No longer inline.
5605 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5607 * fold-const.c (make_range): Correctly handle cases of converting
5608 from unsigned to signed type.
5610 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5612 * fold-const.c (merge_ranges): Make sure that if one range is subset
5613 of another, it will always be the second range. Correct (+,-) case to
5616 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
5618 * final.c (final_end_function): Also do dwarf2 thing if
5619 DWARF2_DEBUGGING_INFO.
5620 (final_start_function): Likewise.
5622 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
5624 * expmed.c (expand_divmod): If compute_mode is not the same as
5625 mode, handle the case where convert_modes() causes op1 to no
5626 longer be a CONST_INT.
5628 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
5629 note holding get_jump_flags() calculation to all JUMP_INSNs.
5630 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
5631 * rtl.c (reg_note_name): Add new note types.
5633 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
5635 * rtlanal.c (computed_jump_p): Fix typo in last change.
5637 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5639 * loop.c (indirect_jump_in_function_p): Return 0
5642 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
5644 * rs6000/xm-rs6000.h: Fix thinko in last change.
5645 * rs6000/xm-sysv4.h: Likewise.
5647 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
5649 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
5651 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
5653 * reg-stack.c (find_blocks): Fix thinko in last change.
5655 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5657 * m68k.c (output_function_prologue): Add dwarf2 support.
5659 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
5660 INCOMING_FRAME_SP_OFFSET): New definitions.
5662 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
5664 * combine.c (try_combine): Use NULL_RTX instead of '0' where
5665 appropriate in calls to gen_rtx().
5666 * cse.c (cse_main): Likewise.
5667 * emit-rtl.c (gen_label_rtx): Likewise.
5668 * expr.c (init_expr_once): Likewise.
5669 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
5670 sched_analyze, init_rgn_data_dependences,
5671 compute_block_backward_dependences): Likewise.
5672 * sched.c (schedule_insns): Likewise.
5673 * varasm.c (immed_double_const): Likewise.
5675 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
5676 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
5678 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
5680 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
5681 (MULTILIB_DEFAULTS): Define.
5682 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
5683 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
5684 (LIBGCC_SPEC): Likewise.
5685 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
5686 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
5687 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
5688 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
5689 (EXTRA_PARTS, TAROUTOPTS): Delete.
5690 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
5691 (MULTILIB_OPTIONS): Define.
5692 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
5693 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
5695 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
5697 * version.c: Bump for snapshot.
5699 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
5701 * loop.c (loop_number): Delete function. Change all references
5702 to use uid_loop_num array.
5703 * loop.h (loop_number): Delete declaration.
5704 * unroll.c (unroll_loop): Change "loop_number" references to
5705 use uid_loop_num instead.
5707 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
5709 (loop_unroll_iter): Remove unused variable and all references.
5710 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
5711 (insert_bct): Fix minor formatting problems.
5712 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
5713 (loop_unroll_iter): Removed unused decl.
5714 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
5715 Always record the unrolling factor.
5717 * cse.c (simplify_relational_operation): Set h0u just like h0s.
5718 Similarly for h1u and h1s.
5720 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
5721 (find_basic_blocks): Use computed_jump_p to determine if a
5722 particular JUMP_INSN is a computed jump.
5723 * reg-stack.c (find_blocks): Use computed_jump_p to determine
5724 if a particular JUMP_INSN is a computed jump.
5725 * rtlanal.c (jmp_uses_reg_or_mem): New function.
5726 (computed_jump_p): Likewise.
5727 * rtl.h (computed_jump_p): Declare.
5728 * genattrtab.c (pc_rtx): Define and initialize.
5729 * loop.c (loop_optimize): Always determine if the current
5730 function has a computed jump.
5731 (indirect_jump_in_function_p): Use computed_jump_p to determine
5732 if a particular JUMP_INSN is a computed jump.
5734 * loop.c (fix_bct_param): Delete unused function.
5735 (check_bct_param): Likewise.
5737 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
5739 * frame.c (__deregister_frame): Check properly for initialized object.
5741 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5743 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
5745 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5747 * jump.c (thread_jumps): check can_reverse_comparison_p before
5748 threading a reversed-condition jump.
5750 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
5751 * haifa-sched.c (update_flow_info): Likewise.
5753 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
5755 * Makefile.in (BOOT_CFLAGS): Use -O2.
5757 * configure.in (strtoul, bsearch): Have autoconf check for these
5759 * configure, config.in: Rebuilt.
5761 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
5762 * mips/mips.h (alloca): Likewise.
5763 * rs6000/xm-rs6000.h (alloca): Likewise.
5764 * rs6000/xm-sysv4.h: Likewise.
5766 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
5768 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
5769 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
5770 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
5772 * except.c (end_eh_unwinder): Subtract 1 from return address.
5773 * libgcc2.c (__throw): Likewise.
5774 (find_exception_handler): Don't change PC here. Compare end with >.
5776 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
5778 * v850.c (compute_register_save_size): Correct register
5780 * v850.md (save_interrupt, return_interrupt): Correct
5782 * v850/lib1funcs.asm (save_interrupt): Correct register number.
5783 (return_interrupt): Use stack pointer, not element pointer.
5785 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
5787 * configure.in, configure: Make sure to create the stage* and include
5788 symbolic links in each subdirectory.
5790 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
5792 * pa.md (reload_peepholes): Don't allow addresses with side
5793 effects for the memory operand.
5795 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
5797 * libgcc2.c (find_exception_handler): Subtract one from our PC when
5798 looking for a handler, to avoid hitting the beginning of the next
5801 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
5803 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
5805 * mips/abi64.h (LONG_MAX_SPEC): Define.
5806 * mips.h (LONG_MAX_SPEC): Define.
5807 (CPP_SPEC): Include long_max_spec.
5808 (EXTRA_SPECS): Include long_max_spec.
5810 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
5812 * v850.c (construct_save_jarl): Fix thinko in last change.
5814 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
5816 * version.c: Bump for snapshot.
5818 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
5820 * libgcc2.c (find_exception_handler): Not found is -1.
5822 * integrate.c (expand_inline_function): Move expand_start_bindings
5823 after expanding the arguments.
5825 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
5827 * expr.c (expand_expr): Remove previous incorrect change.
5828 If target and slot has no DECL_RTL, then call mark_addressable
5829 again for the slot after we give it RTL.
5831 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
5833 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
5834 again for the slot after we give it RTL.
5836 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
5838 * v850.c (register_is_ok_for_epilogue,
5839 pattern_is_ok_for_epilogue, construct_restore_jr,
5840 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
5842 * v850.h (pattern_is_ok_for_prologue,
5843 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
5846 * v850.md: Replace prologue and epilogue patterns with a
5847 match_parallel pattern.
5849 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
5851 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
5852 * configure.in: Use EGCS_PROG_INSTALL.
5854 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
5856 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
5857 extern inline function.
5859 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
5861 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
5862 (concat_loc_descriptor): New function.
5863 (loc_descriptor): Call it.
5864 (add_AT_location_description): Also elide the descriptor if both
5865 halves of a CONCAT are pseudos.
5866 (add_location_or_const_value_attribute): Recognize CONCAT too.
5868 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
5870 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
5872 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
5873 out-or-range reg_offset.
5874 (output_epilog): Likewise.
5876 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
5878 * cse.c (simplify_relational_operation): If MODE specifies a
5879 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
5880 is derived from the sign bit of the low word.
5882 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
5884 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
5886 * dwarf2.h: Add DW_CFA_GNU_args_size.
5887 * frame.c (execute_cfa_insn): Likewise.
5888 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
5889 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
5890 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
5891 insn, hand it off to dwarf2out_stack_adjust.
5892 (dwarf2out_begin_prologue): Initialize args_size.
5893 * frame.h (struct frame_state): Add args_size.
5894 * libgcc2.c (__throw): Use args_size.
5895 * final.c (final_scan_insn): If we push args, hand off all insns
5896 to dwarf2out_frame_debug.
5897 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
5899 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
5900 Handle epilogue restore of SP from FP.
5901 * emit-rtl.c (gen_sequence): Still generate a sequence if the
5902 lone insn has RTX_FRAME_RELATED_P set.
5904 * frame.c (extract_cie_info): Handle "e" augmentation.
5905 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
5906 absence of UNALIGNED_*_ASM_OP.
5907 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
5908 (output_call_frame_info): Use "e" instead of "z" for augmentation.
5909 Don't emit augmentation fields length.
5910 (dwarf2out_do_frame): Move outside of #ifdefs.
5911 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
5914 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
5915 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
5916 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
5917 * sparc/sun4gas.h: New file.
5918 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
5920 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
5921 __register_frame_table and __deregister_frame.
5923 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
5925 * except.c (find_exception_handler_labels): Use xmalloc instead of
5926 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
5929 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
5931 * Makefile.in: Various changes to build info files
5932 in the object tree rather than the source tree.
5934 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
5936 * fixinc.math: New file to fix math.h on some systems.
5937 * configure.in (freebsd, netbsd): Use fixinc.math on these
5939 * configure: Rebuilt.
5941 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
5943 * regmove.c (regmove_optimize): If we end up moving the
5944 original insn due to lifetime overlaps, make sure to move
5947 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
5949 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
5951 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
5953 * haifa-sched.c (add_branch_dependences): Make each insn in
5954 a SCHED_GROUP_P block explicitly depend on the previous insn.
5956 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
5958 * except.h: Prototype dwarf2 hooks.
5961 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
5963 * configure.in (native_prefix): Delete.
5964 (mips-dec-netbsd): Don't set prefix.
5965 (*linux*): Don't set prefix.
5967 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
5969 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
5970 defined. If not defined, include <sys/varargs.h> if
5971 HAVE_SYS_VARARGS_H is defined.
5972 * configure.in: Test for varargs.h and sys/varargs.h.
5973 * configure: Regenerate with autoconf.
5974 * config.in: Regenerate with autoheader.
5976 * cpplib.c (quote_string): Cast first arg of sprintf call
5977 from "unsigned char *" to "char *".
5978 (output_line_command): Ditto.
5979 (macroexpand): Ditto.
5980 (do_line): Cast atoi arg from "unsigned char *" to "char *".
5982 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
5984 * version.c: Bump for snapshot.
5986 * Makefile.in (compare): Exit with nonzero status if there
5987 are comparison failures. Note which files failed the
5988 comparison test in .bad_compare.
5990 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5992 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
5994 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
5996 * Makefile.in (LN, LN_S): New macros, use where appropriate.
5997 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
5998 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
5999 * configure: Regenerated.
6001 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
6003 * loop.c (strength_reduce): Fix typo.
6005 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
6007 * m88k/m88k.c (struct option): Rename to struct options.
6008 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
6009 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
6010 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
6011 __DOLPHIN__ or sysV88.
6013 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
6015 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
6018 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
6020 * config.sub: Accept 'amigados' for backward compatability.
6022 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6024 * Makefile.in (testsuite/site.exp): New target.
6025 (check-gcc, check-g++): Depend on testsuite/site.exp.
6026 Don't stop for failure.
6028 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
6030 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
6031 if DWARF2_UNWIND_INFO.
6033 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
6035 Add support for exception handling using DWARF 2 frame unwind info.
6036 Currently works on SPARC and MIPS, and almost on x86.
6038 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
6039 next_stack_level, in_reg_window): Helper fns.
6040 (__throw): Implement for DWARF2_UNWIND_INFO.
6042 * expr.c (expand_builtin): Handle builtins used by __throw.
6043 * tree.h (enum built_in_function): Add builtins used by __throw.
6044 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
6045 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
6046 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
6047 (expand_builtin_extract_return_addr): Likewise.
6048 (expand_builtin_frob_return_addr): Likewise.
6049 (expand_builtin_set_return_addr_reg): Likewise.
6050 (expand_builtin_eh_stub): Likewise.
6051 (expand_builtin_set_eh_regs): Likewise.
6052 (eh_regs): Choose two call-clobbered registers for passing back values.
6054 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
6055 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
6056 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
6057 (stmp-multilib): Likewise.
6058 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
6060 * except.c: #include "defaults.h".
6061 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
6062 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
6063 (register_exception_table_p): New fn.
6064 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
6065 (end_eh_unwinder): Likewise.
6067 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
6068 call __register_frame and __deregister_frame as needed.
6069 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
6070 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
6071 EH_FRAME_SECTION_ASM_OP.
6072 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
6073 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
6074 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
6076 * dwarf2out.c (output_call_frame_info): If no support for
6077 EXCEPTION_SECTION, mark the start of the frame info with a
6079 * collect2.c (frame_tables): New list.
6080 (is_ctor_dtor): Recognise frame entries.
6081 (scan_prog_file): Likewise.
6082 (main): Pass -fno-exceptions to sub-compile. Also do collection
6083 if there are any frame entries.
6084 (write_c_file_stat): Call __register_frame_table and
6085 __deregister_frame as needed.
6086 (write_c_file_glob): Likewise.
6088 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
6089 Also require unaligned reloc support.
6090 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6091 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
6092 * sparc/sysv4.h: Not here.
6094 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
6095 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
6096 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
6098 * libgcc2.c (L_eh): Reorganize, moving code shared by different
6099 EH implementations to the top.
6100 (find_exception_handler): Split out. Start from 0. Compare against
6102 (__find_first_exception_table_match): Use it.
6103 * except.c (output_exception_table): Don't do anything if there's
6104 no table. Don't output a first entry of zeroes.
6105 (eh_outer_context): Adjust properly.
6106 (add_eh_table_entry): Use xrealloc.
6107 * toplev.c (compile_file): Just call output_exception_table.
6109 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
6111 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
6113 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
6115 * except.c (eh_outer_context): Do masking using expand_and.
6117 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
6119 Add port done awhile ago for the ARC cpu.
6120 * arc/arc.h: New file.
6121 * arc/arc.c: New file.
6122 * arc/arc.md: New file.
6123 * arc/initfini.c: New file.
6124 * arc/lib1funcs.asm: New file.
6125 * arc/t-arc: New file.
6126 * arc/xm-arc.h: New file.
6127 * ginclude/va-arc.h: New file.
6128 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
6129 * ginclude/varargs.h: Likewise.
6130 * Makefile.in (USER_H): Add va-arc.h.
6131 * configure.in (arc-*-elf*): Recognize.
6132 * longlong.h: Add ARC support.
6134 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
6136 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
6137 when clearing non-BLKmode data.
6139 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
6141 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
6142 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
6144 * xm-m88k.h (USG): Only define if it hasn't already been defined.
6146 * Makefile.in (risky-stage1): Delete gratutious whitespace.
6148 * Makefile.in (clean): Delete libgcc1-test.
6150 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
6152 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
6154 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
6157 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6159 * dwarf2out.c (output_call_frame_info): Call named_section.
6161 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
6163 * haifa-sched.c (print_value): Fix last change.
6165 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
6167 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
6170 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
6172 * mips.c (function_prologue): Set up the CFA when ABI_32.
6174 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
6175 for dwarf2 unwind info.
6176 (output_function_prologue, sparc_flat_output_function_prologue): Same.
6178 * final.c (final_end_function): Check dwarf2out_do_frame instead
6179 of DWARF2_DEBUG for dwarf2 unwind info.
6180 (final_scan_insn): Likewise.
6181 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
6184 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
6187 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
6189 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
6191 * v850.h (ASM_SPEC): Pass on target processor.
6192 (CPP_PREDEFINES): Only define if not already specified.
6193 (TARGET_VERSION): Only define if not already specified.
6194 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
6196 (EXTRA_SWITCHES): Extra entries in the switches array.
6197 (TARGET_DEFAULT): Set default target processor.
6199 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
6201 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
6202 cases, add %# and %/, and add : to make them into extended asms.
6204 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
6206 * alias.c (init_alias_analysis): Clean up incompatible pointer
6207 type warning in bzero.
6208 * regmove.c (regmove_optimize): Ditto.
6209 * haifa-sched.c (find_rgns): Ditto.
6211 * haifa-sched.c (print_value): Clean up ptr->int cast
6214 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
6216 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
6217 * install.texi (Configurations): Ditto.
6218 * config.sub: Ditto.
6220 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
6222 * Makefile.in (sdbout.o): Depend on insn-config.h.
6224 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
6226 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
6227 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
6229 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
6231 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
6232 prologue insn, only the first elt is significant.
6233 (output_call_frame_info): For exception handling, always use 4-byte
6234 fields as specified by the dwarf2 spec.
6235 Don't skip trivial FDEs.
6237 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
6239 * version.c: Bump for snapshot.
6241 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
6243 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
6244 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
6247 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
6249 * final.c (shorten_branches): During first pass, assume worst
6250 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
6252 * Makefile.in (distclean): Remove various things left around
6253 by running the testsuite.
6255 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
6257 * configure.in (out_file): Emit definition to config.status in order
6258 to have a defined value for configure.lang.
6259 * configure: Re-built.
6261 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
6263 * configure.in: Make symlink to as-new rather than as.new. Similarly
6265 * configure: Rebuilt.
6267 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
6269 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
6271 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
6273 * sparc/sparc.md: Add ultrasparc scheduling support.
6274 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
6276 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6278 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
6279 as initial value for real_label_map.
6280 (copy_for_inline): Likewise.
6282 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6284 * sched.c (update_flow_info) When looking if to set found_split_dest
6285 or found_orig_dest, look at all parts of a PARALLEL.
6286 * haifa-sched.c (update_flow_info): Likewise.
6288 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
6290 * v850: New directory for v850 port.
6291 * v850/lib1funcs.asm: New file.
6292 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
6293 * ginclude/va-v850.h: New file.
6294 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
6295 * configure.in (mn10200-*-*): New target.
6296 * configure: Rebuilt.
6297 * config.sub: Handle v850-elf.
6298 * Makefile.in (USER_H): Add va-mn10200.h.
6299 * invoke.texi: Document v850 stuff.
6301 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
6303 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
6304 has integer TYPE_{MAX,MIN}_VALUE before using them.
6306 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
6307 __HPUX_ASM__ versions.
6309 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
6311 * install.sh: Delete duplicate install script.
6313 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
6315 * reg-stack.c (subst_stack_regs): Pop the stack register for a
6316 computed goto which sets the same stack register.
6318 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
6319 destination are both on the regstack.
6320 (subst_stack_regs_pat): Put the destination at the top of the regstack.
6322 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
6324 * mips.md (nonlocal_goto_receiver): Define.
6326 * profile.c (output_arc_profiler): Check next_insert_after for non
6327 NULL before deferencing it.
6329 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
6331 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
6333 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
6335 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
6337 * toplev.c (rest_of_compilation): For passes starting with
6338 flow_analysis, use print_rtl_with_bb instead of print_rtl.
6340 * print-rtl.c (print_rtl_single): Print a single rtl value to a
6343 * flow.c (print_rtl_with_bb): Print which insns start and end
6344 basic blocks. For the start of a basic block, also print the live
6347 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
6349 * toplev.c (main): Change #elif to #else/#ifdef
6351 * tlink.c: Include ctype.h.
6352 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
6354 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
6356 * bitmap.c: Conditionally include stdlib.h.
6357 (free): Provide a declaration if NEED_DECLARATION_FREE.
6359 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
6361 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
6363 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
6365 * profile.c (output_arc_profiler): Verify next_insert_after is an
6366 INSN before and after skipping a stack pop.
6368 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6370 * final.c (shorten_branches): Don't count the lengths of deleted
6373 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
6375 * version.c: Bump for snapshot.
6377 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
6379 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
6380 two bitmaps ANDed together.
6381 (bitmap_print): Declare.
6383 * bitmap.c (function_obstack): Don't declare any more.
6384 (bitmap_obstack): Obstack for allocating links from.
6385 (bitmap_obstack_init): New static to say whether to initialize
6387 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
6388 (bitmap_release_memory): Free all memory allocated from
6391 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
6392 EXECUTE_IF_AND_IN_BITMAP.
6394 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
6396 * alias.c (true_dependence): Address with AND can alias scalars.
6397 (anti_dependence, output_dependence): Likewise.
6399 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
6401 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
6403 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
6404 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
6405 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
6406 definitions. Use -qrtems instead of -mrtems.
6408 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
6410 * xm-sco5.h (sys_siglist): Define.
6411 (SYS_SIGLIST_DECLARED): Likewise.
6413 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
6415 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
6417 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
6419 * except.c (eh_outer_context): Expand masking operation using
6422 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
6424 * alpha.md (floatdisf2-1): New pattern.
6426 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
6428 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
6429 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
6430 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
6431 * gcc.texi: Note that if you define sys_siglist that you should
6432 also define SYS_SIGLIST_DECLARED.
6434 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
6435 are relative to the next instruction, not the current instruction.
6437 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
6439 * local-alloc.c (contains_replace_regs): New function.
6440 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
6441 verify that there is no existing REG_EQUIV note, and add a call to
6442 contains_place_regs.
6444 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6446 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
6447 (STARTFILE_SPEC): Always use crtbegin.o%s
6448 (ENDFILE_SPEC): Always use crtend.o%s.
6450 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
6452 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
6454 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
6455 SFmode for 64 bit hosts.
6457 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
6459 * fixincludes: Permits spaces between # and define. Discard C++
6460 comments in sys/pci.h on HP/UX 10.20.
6462 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
6464 * version.c: Bump for snapshot.
6466 * pa.c (restore_unscaled_index_insn_codes): New function.
6467 (record_unscaled_index_insn_codes): Likewise.
6468 (output_function_prologue): Call restore_unscaled_index_insn_codes.
6469 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
6470 (pa_reorg): Call record_unscaled_index_insn_codes.
6472 * haifa-sched.c (move_insn): Handle notes correctly for insns
6473 with SCHED_GROUP_P set.
6475 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6477 * alpha/xm-linux.h (USE_BFD): Undef before define.
6479 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
6481 * cse.c (cse_insn): Don't record BLKmode values.
6483 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
6485 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
6487 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
6489 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
6490 * collect2.c (sys_errlist): Likewise.
6491 * cpplib.c (sys_errlist): Likewise.
6492 * gcc.c (sys_errlist): Likewise.
6493 * protoize (sys_errlist): Likewise.
6494 * configure.in: Check for strerror.
6495 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
6496 * xm-gnu.h (HAVE_STRERROR): Likewise.
6497 * xm-linux.h (HAVE_STRERROR): Likewise.
6498 * xm-netbsd.h (HAVE_STRERROR): Likewise.
6499 * xm-bsd386.h (HAVE_STRERROR): Likewise.
6500 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
6501 * xm-dos.h (HAVE_STRERROR): Likewise.
6502 * xm-mingw32.h (HAVE_STRERROR): Likewise.
6503 * xm-pa.h (HAVE_STRERROR): Likewise.
6504 * xm-papro.h (HAVE_STRERROR): Likewise.
6505 * xm-sysv4.h (HAVE_STRERROR): Likewise.
6506 * configure, config.in: Rebuilt.
6508 * Makefile.in: Add several missing "else true" clauses.
6510 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
6511 * mips-tfile.c: Likewise.
6512 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
6513 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
6514 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
6515 * configure.in: Check for sys_siglist declaration.
6516 * configure, config.in: Rebuilt.
6518 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
6520 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
6521 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
6522 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
6523 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
6524 * rs6000/sysv4.h (extra_subtarget_switches): Added new
6525 macro EXTRA_SUBTARGET_SWITCHES.
6526 * configure.in (sh*-*-rtems*): New target.
6527 * sh/rtems.h: New file.
6528 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
6529 * configure: Rebuilt.
6531 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
6533 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
6535 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
6537 * rs6000.md: Make DF fused-add operations pay attention to
6540 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
6542 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
6544 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
6546 * pa.md (reload_peepholes): Make sure operand is a REG before
6547 examining REGNO. Allow general registers too.
6549 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
6551 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
6553 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
6555 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
6556 to reallocate abbrev_die_table.
6558 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
6560 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
6562 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6564 * Makefile.in (config.status): Depend on version.c
6566 * expr.h (insn_gen_function): Reenable prototype.
6568 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
6571 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
6573 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
6575 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
6577 * version.c: Bump for latest snapshot.
6579 * bc-optab.c: Conditionally include stdlib.h.
6580 (free): Provide a declaration if NEED_DECLARATION_FREE.
6581 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
6582 * rtl.h (free): Remove declaration.
6583 * tree.h (free): Remvoe declaration.
6585 * configure: Rebuilt.
6587 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
6589 * flags.h (flag_move_all_movables): Declare.
6590 (flag_reduce_all_givs): Likewise.
6591 * loop.c (move_movables): Handle flag_move_all_movables.
6592 (strength_reduce): Handle flag_reduce_all_givs.
6593 * toplev.c (flag_move_all_movables): Define.
6594 (flag_reduce_all_givs): Likewise.
6595 (f_options): Add -fmove-all-movables and -freduce-all-givs.
6596 * invoke.texi: Document new options, including alias stuff that
6597 wasn't included last time.
6599 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
6601 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
6604 * t-vxworks68: Ditto.
6605 * t-vxworks960: Ditto.
6608 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
6610 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
6611 if not already defined, and USE_C_ALLOCA not defined.
6613 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
6615 * config.guess: Replace with script that uses ../config.guess.
6617 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
6618 if USE_GNULIBC_1 is not defined.
6620 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
6622 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
6623 * config.guess: Recognize alpha-linux-gnulibc1.
6624 * configure.in (alpha-*-linux-gnulibc1): New target.
6625 (alpha-*-linux-gnu*): Don't build crtbegin/end.
6627 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
6629 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
6632 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
6634 * loop.c (combine_movables): Earlier insns don't match later ones.
6636 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6638 * config/linux.h (CC1_SPEC): Define it only if not defined.
6640 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
6643 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
6644 USE_GNULIBC_1 is not defined.
6646 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
6648 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
6649 as 1 if USE_GNULIBC_1 is not defined.
6651 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
6653 * reorg.c (dbr_schedule): Allow current_function_return_rtx
6654 to be something other than a REG.
6655 * function.c (expand_function_end): Fix current_function_return_rtx
6658 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
6659 * x-netbsd: Likewise
6660 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
6661 (INSTALL_HEADERS): Delete.
6662 * x-dguxbcs: Likewise.
6663 * x-hp3bsd44: Likewise
6666 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6668 * i386.md (pop): pop increments the stack pointer.
6669 (prologue_set_stack_ptr): New pattern.
6670 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
6673 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
6675 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
6676 address where an offsettable address is required.
6678 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
6680 * loop.c (check_final_value): Don't miss a biv increment in a
6683 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
6685 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
6686 TYPE_DECL_IS_STUB instead of DECL_NAME.
6688 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6690 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
6692 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
6694 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
6696 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
6698 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
6699 (find_post_sched_live): Likewise.
6701 * haifa-sched.c (schedule_block): Remove old code to get arguments
6702 from hard regs into pseudos early.
6704 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
6706 * version.c: Bump for new snapshot.
6708 * local-alloc.c (update_equiv_regs): All the target to reject
6709 promotion of some REG_EQUAL to REG_EQUIV notes.
6710 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
6712 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
6715 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
6716 store of the argument registers.
6718 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
6720 * fold-const.c (multiple_of_p): New function.
6721 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
6723 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
6725 * expr.h (insn_gen_function): Temporarily remove prototype.
6727 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
6729 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
6730 filenames. Use sed to extract base filename for install.
6732 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
6734 * unroll.c (find_splittable_givs): Only share if two givs have the
6735 same add and multiply values.
6737 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
6739 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
6740 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
6742 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
6744 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
6745 around branch tables.
6746 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
6747 and .end_brtab directives if TARGET_GAS.
6749 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
6751 * alias.c (true_dependence): Pass x_addr not x to varies.
6753 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
6754 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
6755 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
6757 * config.in, configure: Regenerate.
6759 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
6761 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
6763 (record_set): Handle LO_SUM like PLUS.
6764 (init_alias_analysis): When following chains of base addresses,
6765 do not stop on reaching a hard register.
6767 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
6769 * version.c: Bump for new snapshot.
6771 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
6773 * alpha.h (ARCH_ASM_FILE_START): Define.
6774 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
6775 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
6777 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
6779 * Makefile.in (install-common): Put gcov comment at start of line.
6781 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
6783 * alias.c (init_alias_analysis): When simplifying the reg_base_value
6784 array, simplify entries for hard registers too.
6786 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
6788 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
6791 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
6793 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
6794 block_stack before dereferencing it.
6796 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
6798 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
6800 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
6802 * cplus-dem.c: Add 'extern' to prepends_underscore.
6804 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
6806 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
6807 (get_issue_rate): Delete.
6808 * pa.h (ISSUE_RATE): Define.
6810 * configure.in: Turn on haifa by default for the PA.
6811 * configure: Rebuilt.
6812 * pa.c (override_options): Accept -mschedule=7200 option.
6813 (pa_adjust_cost): No longer need to scale costs for newer
6815 * pa.h (enum processor_type): Add PROCESSOR_7200.
6816 * pa.md: Revamp scheduling parameters to work better with
6817 haifa. Add scheduling parameters for the 7200.
6819 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
6821 (schedule_block): When adjusting basic_block_{head,end}, account
6822 for movement of SCHED_GROUP_P insns too.
6824 * haifa-sched.c (debug_dependencies): Fix thinko.
6826 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
6827 (site.exp, check, check-g++, check-gcc): New targets.
6829 * haifa-sched.c: Make lots of variables static.
6831 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6833 * expr.h, real.h: Finish prototyping.
6835 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
6837 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
6838 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
6839 * reload1.c: Undo bugfix from Aug 11.
6841 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
6843 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
6844 quotes around the name.
6845 * configure: Regenerate.
6847 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
6849 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
6851 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
6853 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
6854 to sub-makes to avoid building more passes than the user might have
6855 requested on the command line.
6857 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
6859 * configure.in: Expurgate `broken_install' (install is
6862 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
6865 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
6867 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
6868 functions and declarations.
6869 (analyze_loop_iterations): Use condjump_p.
6870 (insert_bct): Likewise. Use exact_log2.
6872 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
6874 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
6875 (schedule_region): Likewise.
6876 (schedule_insns): Likewise.
6878 * PROJECTS: Update with Haifa stuff.
6880 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
6882 * version.c: Change the version string to look like:
6883 egcs-2.90.00 970814 (gcc2-970802 experimental).
6885 * loop.c (is_conditional_branch): Make definition match declaration.
6887 * gcc.c: Take out experimental snapshot warning message.
6889 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
6891 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
6892 print out the names of the notes. Print out the name of the insn
6893 that is not a note, and not an {,CALL_,JUMP_}INSN.
6895 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6897 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
6898 again for the slot after we give it RTL.
6900 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
6902 * configure.in (haifa configury): Fix typo.
6903 * configure: Regenerate.
6905 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
6907 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
6909 * gcc.info*: Rebuilt.
6911 * COPYING.g77, README.g77: New files.
6912 * real.c (ereal_unto_float, ereal_unto_double): New functions.
6913 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
6914 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
6916 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
6918 * Integrate Haifa instruction scheduler.
6919 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
6920 to sched with $(SCHED_CFLAGS.
6921 * configure.in: Handle --enable-haifa.
6922 * configure: Rebuilt.
6923 * flags.h: Add new flags for haifa instruction scheduler.
6924 * genattrtab.c (expand_units): For haifa, don't subtract one
6925 when computing blockage.
6926 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
6927 (flag_schedule_speculative): Ditto.
6928 (flag_schedule_speculative_load): Ditto.
6929 (flag_schedule_speculative_load_dangerous): Ditto.
6930 (flag_schedule_reverse_before_reload): Ditto.
6931 (flag_schedule_reverse_after_reload): Ditto.
6932 (flag_branch_on_count_reg): Ditto.
6933 (f_options): Add Haifa switches.
6934 (main): Turn off some Haifa options if appropriate macro is
6935 defined. Process Haifa switches.
6936 * unroll.c (iteration_info): No longer static, since Haifa
6938 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
6939 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
6940 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
6941 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
6942 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
6943 storage for the Haifa scheduler.
6944 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
6946 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
6947 are defined, call analyze_loop_iterations and insert_bct to use
6949 (record_giv): Refine test for jumps out of loops if HAIFA is
6951 (analyze_loop_iterations): New function to identify if we can use
6953 (insert_bct): Insert countdown loop.
6954 (instrument_loop_bct): Low level code to insert countdown loop.
6955 (loop_number): Calculate UID of loop.
6956 (indirect_jump_in_function_p): Return true if an indirect jump is
6958 (is_power_of_2): Return true if value is a power of 2.
6959 (is_conditional_branch): Return true if insn is a conditional
6961 (fix_bct_param): Process -fbct-{min,max}-N switches.
6962 (check_bct_param): Return true if loop should be instrumented.
6963 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
6964 (loop_optimize): Initialize.
6965 (get_condition_for_loop): Ditto.
6966 * loop.c (strength_reduce): Inside of code that uses #ifdef
6967 HAVE_decrement_and_branch_on_count code, test it to make sure the
6969 (instrument_loop_bct): Ditto.
6970 * haifa-sched.c: New file.
6973 * Integrate regmove pass.
6974 * Makefile.in (OBJS): Add regmove.o
6975 (regmove.o): Add dependencies.
6976 * flow.c (find_use_as_address): No longer static.
6977 * rtl.h (find_use_as_address): Declare.
6978 * toplev.c (regmove_dump, flag_regmove): Define.
6979 (f_options): Add -fregmove.
6980 (regmove_dump_file, regmove_time): Define.
6981 (fatal_insn): Close the regmove dump file.
6982 (compile_file): Initialize regmove_time; open/close the regmove dump
6983 file as needed. Print regmove time as needed.
6984 (rest_of_compilation): Run regmove pass if requested, dump
6985 RTL after regmove if requested.
6986 (main): If -O2 or more, turn on regmove. Handle dump switches.
6987 * regmove.c: New file.
6989 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
6991 * Integrate tlink patch from jason@cygnus.com
6992 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
6993 (process_command): Increment n_switches for them. Don't discard
6994 their args. Validate them.
6995 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
6997 (process_command): Set include_prefixes from COMPILER_PATH.
6998 (main): Set COLLECT_GCC_OPTIONS sooner.
6999 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
7000 * tlink.c, hash.c, hash.h: New files.
7001 * Makefile.in (USE_COLLECT2): Always use collect2.
7002 (collect2): Depend on and link in hash.o and tlink.o.
7003 (tlink.o, hash.o): Add dependencies.
7005 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
7007 * Integrate alias analysis changes from jfc@mit.edu
7008 * Makefile.in (OBJS): Add alias.o
7009 (alias.o): Add dependencies.
7010 * alias.c: New file.
7011 * sched.c: Remove alias analysis code. It lives in alias.c now.
7012 (sched_analyze_2): Add new arguments to true_dependence.
7013 (schedule_insns): Always call init_alias_analysis.
7014 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
7015 mark return value from such functions as a pointer and keep track of
7016 them for alias analysis. If a return value from a function is a
7017 pointer, mark it as such.
7018 * combine.c (distribute_notes): Handle REG_NOALIAS.
7019 * cse.c (struct write_data): Delete. No longer needed.
7020 (invalidate): Don't call set_nonvarying_address_components anymore.
7021 Use true_dependence to decide if an entry should be removed from
7023 (invalidate_memory): Remove WRITES argument, simplify appropriately.
7025 (note_mem_written): Similarly for WRITE_PTR argument.
7026 (invalidate_from_clobbers): Similarly for W argument.
7027 (invalidate_for_call): Remove memory elements from the hash table.
7028 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
7029 (cse_rtx_varies_p): New function. Derived from old
7030 cse_rtx_addr_varies_p.
7031 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
7032 Don't call note_mem_written anymore. Stack pushes invalidate the stack
7033 pointer if PUSH_ROUNDING is defined. No longer need to call
7034 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
7035 (skipped_writes_memory): Remove variable.
7036 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
7037 (invalidate_skipped_block): Simplify for new alias analysis code.
7038 (cse_set_around_loop): Likewise.
7039 (cse_main): Call init_alias_analysis.
7040 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
7041 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
7042 (f_options): Add new alias checking arguments.
7043 (main): Set flag_alias_check when optimizing.
7044 * local_alloc (validate_equiv_mem_from_store): Add new arguments
7046 (memref_referenced_p): Likewise.
7047 * loop.c (NUM_STORES): Increase to 30.
7048 (prescan_loop): Only non-constant calls set unknown_address_altered.
7049 (invariant_p): Add new arguments to true_dependence.
7050 (record_giv): Initialize unrolled and shared fields.
7051 (emit_iv_add_mult): Call record_base_value as needed.
7052 * loop.h (struct induction): Add unrolled and shared fields.
7053 * unroll.c (unroll_loop): Call record_base_value as needed.
7054 (copy_loop_body): Likewise.
7055 (final_biv_value): Likewise.
7056 (final_giv_value): Likewise.
7057 (find_splittable_regs): Likewise. Only create one new pseudo
7058 if we have multiple address GIVs that were combined with the same
7059 dst_reg GIV. Note when a new register is created due to unrolling.
7060 * rtl.c (reg_note_name): Add REG_NOALIAS.
7061 * rtl.h (enum reg_note): Similarly.
7062 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
7063 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
7064 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
7065 (true_dependence, read_dependence, anti_dependence): Likewise.
7066 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
7067 (mark_user_reg, mark_reg_pointer): Likewise.
7070 * Integrate reload bugfix from Wilon which enables the PA port
7072 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
7073 OPERAND_ADDRESS when computing how many registers an insn needs.
7074 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
7076 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
7078 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
7079 in reload_reg_use_in_op_addr do not reach the end.
7080 do not reach the end.
7081 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
7082 RELOAD_FOR_OPERAND_ADDRESS.
7084 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
7086 * egcs project officially starts.