1 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
3 * except.c (get_dynamic_handler_chain): Only make the call once per
6 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
8 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
10 * sh.c (final_prescan_insn): Use local label prefix
11 when emitting .uses pseudo-ops.
13 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
15 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
16 * except.c: Lose outer_context_label_stack.
17 (expand_eh_region_end): Rethrow from outer_context here.
18 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
19 (expand_internal_throw): Take no args.
20 (expand_internal_throw_indirect): Lose.
21 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
22 (expand_start_all_catch): Start a rethrow region.
23 (expand_end_all_catch): End it.
24 (expand_rethrow): New fn.
25 * except.h: Reflect above changes.
26 * flow.c: Revert change of Nov 27.
28 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
30 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
32 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
34 * except.c (expand_fixup_region_end): New fn.
35 (expand_fixup_region_start): Likewise.
36 (expand_eh_region_start_tree): Store cleanup into finalization here.
37 * stmt.c (expand_cleanups): Use them to protect fixups.
39 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
41 * mips/mips.md (muldi3_r4000): Broaden the output template
42 and attribute assignments to handle three operand dmult;
43 rename to muldi3_internal2.
44 (muldi3): Call the new muldi3_internal2 for R4000, and
45 any GENERATE_MULT3 chip.
47 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
49 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
51 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
53 * unroll.c (find_splittable_givs): Remove last change. Handle givs
54 with a dest_reg that was created by loop.
56 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
58 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
60 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
62 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
64 * configure.in: Fix NCR entries.
66 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
68 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
69 nested exceptions correctly.
71 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
72 that was created by loop.
74 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
76 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
78 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
80 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
82 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
83 (print_operand): Use SMALL_DATA_REG for the register involved in
84 small data relocations.
85 (print_operand_address): Ditto.
87 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
88 -dynamic linker is not used.
90 * rs6000.md (call insns): For local calls, use @local suffix under
91 System V. Don't use @plt under Solaris.
93 * rs6000.c (output_function_profiler): Put label address in r0, and
94 store LR in 4(sp) for System V/eabi.
96 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
97 byte boundary, and maintain stack backchain.
99 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
101 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
102 fix_truncsfdi2): Change *.
104 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
106 * toplev.c (main): Complain about -gdwarfn.
108 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
110 * dwarfout.c (output_type): If finalizing, write out nested types
111 of types we've already written.
113 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
115 (patches originally from Geoffrey Keating)
116 * rs6000.c (function_arg): Excess floating point arguments don't
117 go into GPR registers after exhausting FP registers under the
119 (function_arg_partial_nregs): Ditto.
121 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
124 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
126 * integrate.c (output_inline_function): Just unset DECL_INLINE.
128 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
130 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
133 * libgcc2.c (__throw): Initialize HANDLER.
135 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
137 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
138 fix_truncsfdi2): Change *X to ?*X.
140 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
142 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
144 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
146 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
148 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
150 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
152 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
154 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
155 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
158 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
160 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
161 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
162 gas and not using the new HP assembler.
164 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
166 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
167 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
169 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
171 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
172 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
175 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
177 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
179 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
181 * except.h: Add outer_context_label_stack.
182 * except.c: Likewise.
183 (expand_start_all_catch): Push the outer_context for the try block
184 onto outer_context_label_stack.
185 (expand_end_all_catch): Use it and pop it.
187 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
189 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
191 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
193 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
195 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
197 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
198 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
200 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
202 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
203 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
204 __builtin_delete, and __builtin_vec_delete.
206 * except.c (output_exception_table): Don't bother with
209 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
211 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
212 is an in/out operand.
213 (zero extended variants of stwm/stwm patterns): Similarly.
215 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
217 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
219 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
221 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
222 (output_call_frame_info): Emit a \n after using it.
224 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
226 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
228 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
230 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
231 (ASM_OUTPUT_DWARF_VALUE4): New macro.
232 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
234 (output_call_frame_info): Do not output forward label differences
235 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
236 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
238 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
240 * sh.md (attribute "type"): Add nil.
241 (movsi_ie): y/y alternative is type nil.
242 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
244 (movsf_ie+1): Delete.
246 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
248 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
249 large_int, emit two insns instead of one splitable insn.
250 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
251 from cfa_temp_value, use cfa_offset. Add assert checking that
254 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
256 * cccp.c (deps_output): Properly quote file names for make.
258 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
260 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
262 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
264 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
266 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
268 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
270 (cse_end_of_basic_block): Similarly.
272 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
274 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
275 (SELECT_RTX_SECTION): Define.
276 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
278 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
280 * Makefile.in (compare, compare-lean): Define $stage for each
282 (gnucompare, gnucompare-lean): Likewise.
284 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
286 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
288 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
289 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
291 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
293 * dwarfout.c (byte_size_attribute): Add local var upper_bound
294 and add case to handle STRING_TYPE.
295 * dwarfout.c (output_string_type_die): Fix code to generate
296 correct string length attribute for fixed length strings.
297 Still needs support for varying length strings.
299 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
301 * toplev.c (get_run_time): Do something sensible for cygwin32.
303 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
305 * expr.c (expand_builtin_setjmp): Set
306 current_function_has_nonlocal_label.
307 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
308 call-saved registers across calls.
310 * alpha.md (exception_receiver): Remove.
311 (nonlocal_goto_receiver_osf): New
312 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
313 (nonlocal_goto_receiver): New, select _osf or _vms.
315 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
316 keep them from being propogated to the object file.
317 (alpha_write_linkage): Likewise.
318 * alpha.md (call_vms): Likewise.
319 (call_value_vms): Likewise.
320 (unnamed osf call insns): Likewise.
322 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
323 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
325 * alpha.c (call_operand): Any reg is valid for WinNT.
326 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
327 (anon nt calls): Add 'R' alternative.
328 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
329 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
331 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
333 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
335 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
336 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
337 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
339 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
341 * reload1.c (new_spill_reg): Improve fixed or forbidden register
344 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
346 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
347 use varargs.h. Wrap header with <>, not "".
349 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
351 * integrate.c (save_for_inline_copying): Add return value from
354 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
356 * fixincludes: Be a little more restrictive on what we will
357 substitute to replace definitions of MAXINT for HPUX.
359 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
361 * dbxout.c (dbxout_symbol_location): Don't assume that variables
362 whose address is the stack or argument pointers are indirect
365 1997-11-13 Paul Eggert <eggert@twinsun.com>
367 * cccp.c, cpplib.c (compare_defs):
368 Don't complain about arg name respellings unless pedantic.
369 * cpplib.c (compare_defs): Accept pfile as new arg.
372 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
374 * fold-const.c (fold_truthop): Fix bug in last change.
376 1997-11-13 Paul Eggert <eggert@twinsun.com>
378 Fix some confusion with IEEE minus zero.
380 * real.h (REAL_VALUES_IDENTICAL): New macro.
382 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
383 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
385 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
386 same tree structure as 0.0.
388 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
389 macro instead of doing it by hand.
391 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
393 * v850/lib1funcs.asm: Minor whitespace changes.
394 * v850.c: Fix minor formatting problems in many places.
395 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
397 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
399 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
400 xplus1 when xplus0 is not a register.
402 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
404 * flow.c (find_basic_blocks): During marking phase, if we encounter
405 an insn with a REG_LABEL note, make the target block live and
406 create an edge from the insn to the target block. Do not make
407 edges from all blocks to the target block.
409 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
411 * confiugre.in: Tweak NCR entries.
412 * configure: Rebuilt.
414 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
416 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
417 pick apart floating point values, instead of using CONST_DOUBLE_LOW
418 and CONST_DOUBLE_HIGH.
420 * rs6000.md (define_splits for DF constants): Use the appropriate
421 REAL_VALUE_* interface to pick apart DF floating point constants in
422 a machine independent fashion.
424 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
426 * fold-const.c (fold_truthop): When changing a one-bit comparison
427 against zero into a comparison against mask, do a proper sign
430 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
432 * except.c: Do not include "assert.h".
433 (save_eh_status): Turn asserts into conditional aborts.
434 (restore_eh_status, scan_region): Likewise.
435 * dwarfout.c: Do not include "assert.h".
436 (bit_offset_attribute): Turn asserts into conditional aborts.
437 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
438 (output_inlined_structure_type_die): Likewise.
439 (output_inlined_union_type_die): Likewise
440 (output_tagged_type_instantiation): Likewise.
441 (dwarfout_file_scope_decl): Likewise.
442 * dwarf2out.c: Do not include "assert.h"
443 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
444 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
445 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
446 (add_bit_size_attribute, scope_die_for): Likewise.
447 (output_pending_types_for_scope): Likewise.
448 (get_inlined_enumeration_type_die): Likewise.
449 (get_inlined_structure_type_die): Likewise.
450 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
451 (gen_tagged_type_instantiation_die): Likewise.
453 * flow.c (find_basic_blocks): Refine further to get a more correct
454 cfg, especially in the presense of exception handling, computed
455 gotos, and other non-trivial cases. Call abort if an inaccuracy
456 is detected in the cfg.
458 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
460 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
462 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
463 (skip_white_space): Use whitespace_cr.
464 (check_newline): Handle whitespace more consistently.
466 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
468 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
469 * i386/xm-cygwin32.h (POSIX): Define.
471 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
473 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
474 is available elsewhere.
476 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
478 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
479 what the instruction can handle.
481 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
483 * stmt.c (expand_decl_cleanup_no_eh): New fn.
485 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
487 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
489 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
490 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
492 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
494 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
495 swap instruction order.
497 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
499 * fixinc.svr4 (__STDC__): Add another case.
501 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
503 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
504 addresses in the epilogue delay slot.
506 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
508 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
509 in generated `specs' file.
511 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
513 * flags.h (flag_rerun_loop_opt): Declare.
514 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
515 * toplev.c (flag_rerum_loop_opt): Delete static.
517 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
521 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
523 * va-sh.h (__va_arg_sh1): Define.
525 SH3E doesn't use any integer registers for subsequent arguments
526 once a non-float value was passed in the stack.
527 * sh.c (machine_dependent_reorg): If optimizing, put explicit
528 alignment in front label for ADDR_DIFF_VEC.
529 * sh.h (PASS_IN_REG_P): Fix SH3E case.
530 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
532 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
534 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
537 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
539 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
540 put an use_sfunc_addr before each sfunc.
541 * sh.md (use_sfunc_addr, dummy_jump): New insns.
542 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
544 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
546 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
548 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
550 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
553 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
555 * alias.c (find_base_value): Only return the known base value for
558 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
560 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
561 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
563 (prologue_get_pc_and_set_got): New pattern.
565 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
567 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
568 for SUBREG, just fall through.
570 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
572 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
574 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
576 * fixincludes: Fix "hypot" prototype in NeXT math.h.
578 * Makefile.in (USE_ALLOCA): Always include alloca.o.
579 (USE_HOST_ALLOCA): Likewise.
581 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
582 and LABEL_REFS fields.
583 * rtl.h (LABEL_REFS): Update.
585 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
587 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
588 sets i2dest. When calling distribute_notes for i3dest_killed, pass
589 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
592 * mips.md (insv, extzv, extv): Add change_address call.
593 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
595 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
597 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
599 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
600 save_restore_insns if no FP and GP will be restored.
602 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
603 Convert CCmode to word_mode before calling GET_MODE_SIZE.
605 * acconfig.h (HAVE_INTTYPES_H): Undef.
606 * configure.in (inttypes.h): Check for conflicts between sys/types.h
607 and inttypes.h, and verify that intmax_t is defined.
608 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
609 * config/mips/x-iris3: Likewise.
611 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
613 * alias.c (find_base_value): When copying arguments, return the
614 tenative value for a hard register.
616 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
618 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
619 (yylex): Record wide strings using target endianness, not host.
621 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
623 * mn10200.h (ASM_OUTPUT_BSS): Delete.
624 (ASM_OUTPUT_ALIGNED_BSS): New macro
625 * mn10300.h (ASM_OUTPUT_BSS): Delete.
626 (ASM_OUTPUT_ALIGNED_BSS): New macro.
627 * v850.h (ASM_OUTPUT_BSS): Delete.
628 (ASM_OUTPUT_ALIGNED_BSS): New macro.
630 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
632 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
634 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
636 * configure.in (sco5): Use cpio to install header files.
638 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
640 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
642 * configure: Rebuild.
644 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
646 * i386/sco5.h: enable -gstabs once again.
648 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
650 * arm.c (output_move_double): Allocate 3 entries in otherops array.
652 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
654 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
655 notes for sjlj exceptions too.
656 (expand_eh_region_end): Similarly for EH_REGION_END notes.
657 (exception_optimize): Optimize EH regions for sjlj exceptions too.
658 * final.c (final_scan_insn): Don't output labels for EH REGION
659 notes if doing sjlj exceptions.
661 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
663 * alias.c (init_alias_analysis): Handle -fno-alias-check when
664 optimizing correctly.
666 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
667 or set current_function_calls_setjmp anymore.
669 * flow.c (find_basic_blocks): If we delete the label for an
670 exception handler, remove it from the EH label list and remove
671 the EH_BEGIN/EH_END notes for that EH region.
673 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
675 * flow.c (find_basic_blocks): Generate correct flow control
676 information when exception handling notes are present.
678 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
680 * dwarf2out.c (output_call_frame_info): Fix length argument
682 (output_die, output_pubnames, output_line_info): Likewise.
684 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
686 * version.c: Bump for snapshot.
688 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
689 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
690 flag_debug_asm is on.
691 (output_die, output_pubnames, output_line_info): Likewise.
693 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
694 and static_chain_rtx into the potential base values array if
697 * alias.c (new_reg_base_value): New array of potential base values.
698 (unique_id): Now file scoped static.
699 (find_base_value, case REG): Return the value in reg_base_value
700 array for the REG if it exists. Else, return the value from
701 new_reg_base_value if copying args and REG is a hard register.
702 (find_base_value, case PLUS): If either operand of the PLUS is
703 a REG, try to get its base value. Handle base + index and
705 (record_set): Use new_reg_base_value instead of reg_base_value.
706 (init_alias_analysis): Allocate space for new_reg_base_value too.
707 Rework code to iterate over the insns propagating base value
708 information until nothing changes.
710 * global.c (global_alloc): Free the conflict matrix after
713 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
715 * libgcc2.c (L_eh): Define __eh_pc.
716 Replace __eh_type with generic pointer __eh_info.
718 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
720 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
721 use copy_to_reg if address is not a general_operand.
723 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
725 * profile.c (output_func_start_profiler): Clear flag_inline_functions
726 for the duration of the call to rest_of_compilation.
728 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
730 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
732 (sparc*-*-*): Recognize --with-cpu=v9.
733 * sparc/elf.h: New file.
734 * sparc/t-elf: New file.
736 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
738 * mn10300.c (const_8bit_operand): New function.
739 (mask_ok_for_mem_btst): New funtion.
740 * mn10300.md (btst patterns with mem operands): Use new functions
741 to avoid creating btst instructions with invalid operands.
743 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
745 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
746 are running on PowerPC Linux.
748 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
750 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
751 if not previously defined.
753 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
755 * function.c (assign_parms): Correct mode of stack_parm if
756 entry_parm underwent a mode conversion.
758 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
760 * global.c (global_alloc): Use xmalloc instead of alloca for
761 CONFLICTS, since max_allocno * allocno_row_words alone can be more
762 than 2.5Mb sometimes.
764 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
766 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
767 DEST for the spill, adjust mode of SRC to compensate.
769 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
771 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
772 since any_memory_operand() allows pseudos during reload.
773 (reload_inhi, reload_outqi, reload_outhi): Likewise.
775 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
777 * m68k.md (btst patterns): Add 5200 support.
779 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
781 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
782 optimizations, look inside dividend to determine if the expression
783 can be simplified by using EXACT_DIV_EXPR.
785 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
788 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
790 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
792 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
794 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
796 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
799 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
801 * alpha.md (movqi, movhi): Make sure new insns created during reload
802 won't need reloading themselves.
803 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
805 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
807 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
809 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
811 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
812 Patch from Klaus Kaempf <kkaempf@progis.de>.
814 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
816 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
817 to an element in a constant string.
819 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
821 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
822 bit PC-relative offset. The exception range table pointer is now in
824 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
825 (count_fdes, add_fdes, get_cie): Adjust.
826 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
829 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
831 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
833 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
834 like stack_pointer_rtx.
836 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
838 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
839 targets using "$@" to provide support for similar but not identical
840 targets without having to duplicate code.
841 (bootstrap4): New goal.
843 * Makefile.in (compare, compare-lean, compare3): Combined to one
844 ruleset determining actions to be performed via $@.
845 (compare4, compare4-lean): New targets.
846 (gnucompare, gnucompare3): Combined to one ruleset determining
847 actions to be performed via $@. Also, note which files failed
848 the comparison test in .bad_compare.
849 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
851 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
853 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
854 if the dividend is a multiple of the divisor.
856 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
858 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
860 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
863 * alias.c (true_dependence): Fix typo.
865 * toplev.c (flag_rerun_loop_opt): New variable.
866 (f_options): Handle -frerun-loop-opt.
867 (rest_of_compilation): If -frerun-loop-opt, then run the loop
869 (main): Enable -frerun-loop-opt by default for -O2 or greater.
871 * loop.c (simplify_giv_expr): Adding two invariants results
874 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
876 * expr.c (get_inner_reference): Remove the array bias after
877 converting the index to Pmode.
879 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
881 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
882 (TARGET_MULT_BUG): Define.
883 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
884 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
886 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
888 * mn10200.c (indirect_memory_operand): Delete unused function.
889 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
890 * mn10200.md (bset, bclr insns): Handle output in a reg too.
892 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
894 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
895 the callee's ldgp, we must do it ourselves, and we use the jsr tag
896 for more than scheduling.
898 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
900 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
902 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
904 * mn10300.c (symbolic_operand, legitimize_address): New functions.
905 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
906 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
908 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
910 * version.c: Bump for snapshot.
912 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
914 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
917 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
919 * toplev.c (flag_exceptions): Default value is 2.
920 (compile_file): If flag_exceptions still has the value 2, then
923 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
924 (rs6000_save_machine_status): Save pic_offset_table_rtx.
925 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
927 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
930 * rs6000.md (*movsi_got_internal_mem): New pattern.
931 (*movsi_got_internal_mem splitter): New define_split.
933 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
935 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
937 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
939 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
940 only need to save LR.
942 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
944 * mn10300.md (movqi, movhi): Avoid using address registers as
945 destinations unless absolutely necessary.
947 * mn10200.c (expand_prologue): Fix typo.
949 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
951 * mn10200.md (neghi2): Provide an alternative which works if
952 the input and output register are the same.
954 * mn10300.c (print_operand): Handle 'S'.
955 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
956 shift amount in last alternative
958 * mn10300.c (expand_epilogue): Rework to handle register restores
959 in "ret" and "retf" instructions correctly.
961 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
963 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
964 extzv for memory operands.
966 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
967 redundant conditional moves to single operand.
969 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
971 * v850.h: Move define of __v850__ from CPP_PREDEFINES
974 * xm-v850.h: Use __v850 rather than __v850__ to
977 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
979 * mips/mips.c (compute_frame_size): Not a leaf function if
982 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
984 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
986 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
988 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
989 (DEFAULT_ARCH32_P): New macro.
990 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
991 (enum cmodel): Declare.
992 (sparc_cmodel_string,sparc_cmodel): Declare.
993 (SPARC_DEFAULT_CMODEL): Provide default.
994 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
995 (TARGET_FULLANY): Deleted.
996 (TARGET_CM_MEDMID): New macro.
997 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
998 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
999 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
1000 (CPP_SPEC): Rewrite.
1001 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
1002 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
1003 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
1004 (ASM_SPEC): Add %(asm_arch).
1005 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
1006 Rename asm_default to asm_cpu_default.
1007 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
1008 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
1009 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
1010 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
1011 (MASK_INT64,MASK_LONG64): Delete.
1012 (MASK_ARCH64): Renamed to MASK_64BIT.
1013 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
1014 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
1015 (TARGET_SWITCHES): Always provide 64 bit options.
1016 (ARCH64_SWITCHES): Delete.
1017 (TARGET_OPTIONS): New option -mcmodel=.
1018 (INT_TYPE_SIZE): Always 32.
1019 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
1020 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
1021 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
1022 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
1023 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
1025 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1026 * sparc/linux.h: Likewise.
1027 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
1028 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
1029 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
1030 (SPARC_DEFAULT_CMODEL): Define.
1031 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
1032 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1033 (LONG_DOUBLE_TYPE_SIZE): Define.
1034 (ASM_SPEC): Add %(asm_arch).
1035 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
1036 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1037 (TARGET_CPU_DEFAULT): Add ultrasparc case.
1038 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
1039 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
1040 (SPARC_DEFAULT_CMODEL): Define.
1041 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
1042 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
1043 MASK_LONG64, MASK_MEDANY.
1044 (SPARC_DEFAULT_CMODEL): Define.
1045 (CPP_PREDEFINES): Delete.
1046 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1047 (ASM_SPEC): Add %(asm_arch).
1048 (LONG_DOUBLE_TYPE_SIZE): Define.
1049 (DWARF2_DEBUGGING_INFO): Define.
1050 * sparc/splet.h (CPP_SPEC): Delete.
1051 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
1052 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
1053 (BLOCK_PROFILER): Likewise.
1054 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
1055 (sparc_override_options): Handle code model selection.
1056 (sparc_init_expanders): Renamed from sparc64_init_expanders.
1057 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
1058 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
1059 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
1060 (sethi_di_fullany): Delete.
1062 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
1063 Jeff Law <law@cygnus.com>
1064 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1066 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
1067 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
1068 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
1069 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
1070 * alpha/alpha.md (arg_home): Likewise.
1072 * alpha/alpha.c (vmskrunch): Delete
1073 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
1074 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
1075 truncate to 64 characters.
1077 * make-l2.com: Support openVMS/Alpha.
1079 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
1081 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1083 * longlong.h (count_leading_zeros): Add missing casts to USItype.
1085 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
1087 * i386/bsd386.h (ASM_COMMENT_START): Define.
1089 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
1091 * tree.c (restore_tree_status): Also free up temporary storage
1092 when we finish a toplevel function.
1093 (dump_tree_statistics): Print stats for backend obstacks.
1095 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
1097 * expr.c (use_group_regs): Don't call use_reg for MEMs.
1099 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
1101 * libgcc2.c (__throw): Don't copy the return address.
1102 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
1104 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
1105 * toplev.c (main): Initialize exceptions_via_longjmp.
1107 * tree.c: Add extra_inline_obstacks.
1108 (save_tree_status): Use it.
1109 (restore_tree_status): If this is a toplevel inline obstack and we
1110 didn't want to save anything on it, recycle it.
1111 (print_inline_obstack_statistics): New fn.
1112 * function.c (pop_function_context_from): Pass context to
1113 restore_tree_status.
1114 * obstack.h (obstack_empty_p): New macro.
1116 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
1118 * i386/freebsd.h (ASM_COMMENT_START): Fix.
1120 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
1122 * v850.c (ep_memory_offset): New function.
1123 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
1125 * v850.h (CONST_OK_FOR_*): Add and correct comments.
1126 (CONSTANT_ADDRESS_P): Add comment.
1127 (EXTRA_CONSTRAINT): Define 'U'.
1128 * v850.md: Add comments on bit field instructions.
1129 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
1130 (lshrsi3): Use N not J constraint.
1132 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
1134 * v850.c (reg_or_0_operand): Call register_operand.
1135 (reg_or_int5_operand): Likewise.
1136 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
1137 (TARGET_SWITCHES): Add "big-switch".
1138 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
1139 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
1140 (CASE_DROPS_THROUGH): Comment out.
1141 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
1142 * v850.md (cmpsi): Delete compare mode.
1143 (casesi): New pattern.
1145 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
1146 * v850.md (ashlsi3): Use SImode not QImode for shift count.
1147 (lshrsi3): Likewise.
1149 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
1150 unreachable switch statement after 'b' support. Remove "b" from
1151 strings for 'b' support.
1152 * v850.md (branch_normal, branch_invert): Change %b to b%b.
1154 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
1156 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
1157 empty line if @inhibit_libc@ is empty.
1159 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
1161 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
1162 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
1163 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
1164 (DWARF2_UNWIND_INFO): Let this track object file format.
1165 (EXTRA_SECTIONS): Add in_eh.
1166 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
1167 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
1169 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
1171 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
1172 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
1174 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
1175 (output_double_int): Output DI mode values correctly when
1176 HOST_BITS_PER_WIDE_INT is 64.
1177 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
1178 fmovd so it works if a quad float ends up in one of the upper 32
1180 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
1181 necessary for PIC support on sparc64.
1183 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
1185 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
1186 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
1187 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
1188 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
1189 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
1190 (SPARC_FP_ARG_FIRST): New macro.
1191 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
1192 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
1193 (NPARM_REGS): There are 32 fp argument registers now.
1194 (FUNCTION_ARG_REGNO_P): Likewise.
1195 (FIRST_PARM_OFFSET): Update to new v9 abi.
1196 (REG_PARM_STACK_SPACE): Define for arch64.
1197 (enum sparc_arg_class): Delete.
1198 (sparc_arg_count,sparc_n_named_args): Delete.
1199 (struct sparc_args): Redefine and use for arch32 as well as arch64.
1200 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
1201 (FUNCTION_ARG_ADVANCE): Rewrite.
1202 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
1203 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
1204 (FUNCTION_ARG_CALLEE_COPIES): Delete.
1205 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
1206 (STRICT_ARGUMENT_NAMING): Define.
1207 (doublemove_string): Declare.
1208 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
1209 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
1210 (doublemove_string): New function.
1211 (output_move_quad): Clean up some of the arch64 support.
1212 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
1213 Don't add 8 bytes of reserved space if arch64.
1214 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
1215 (init_cumulative_args): New function.
1216 (function_arg_slotno): New static function.
1217 (function_arg,function_arg_partial_nregs): New functions.
1218 (function_arg_{pass_by_reference,advance}): New functions.
1219 (function_arg_padding): New function.
1220 * ginclude/va-sparc.h: Rewrite v9 support.
1222 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1224 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
1225 for hard regs to determine base and index registers.
1227 * reload.c (debug_reload_to_stream): New function. Specify stream
1228 into which to write debug info.
1229 (debug_reload): Modify to call debug_reload_to_stream with stderr.
1231 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
1233 * combine.c (can_combine_p): Don't combine with an asm whose
1234 output is a hard register.
1236 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
1238 * c-decl.c (start_struct): Ensure that structs with forward
1239 declarations are in fact packed when -fpack-struct is given.
1241 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
1242 we are packing a structure. This allows a structure with only
1243 bytes to be aligned on a byte boundary and have no padding on a
1246 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1248 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
1250 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
1252 * alpha.c (alpha_return_addr_rtx): New variable.
1253 (alpha_save_machine_status): New; save it.
1254 (alpha_restore_machine_status): New; restore it.
1255 (alpha_init_expanders): New; clear it.
1256 (alpha_return_addr): New; set it.
1257 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
1258 is overly conservative, so search the insns explicitly.
1259 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
1260 (alpha_sa_size [VMS && !VMS]): Likewise.
1261 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
1262 (INIT_EXPANDERS): New definition.
1264 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
1265 (output_prolog [!VMS]): Use them.
1267 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
1268 (alpha_does_function_need_gp): ... a new function. Refine the
1269 CALL_INSN test to just TYPE_JSR.
1270 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
1272 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
1274 * version.c: Bump for snapshot.
1276 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1278 * pa.c (move_operand): Respect -mdisable-indexing.
1279 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
1281 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
1283 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
1285 (umulsidi3,umulsi3_highpart): Ditto.
1286 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
1288 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
1290 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
1291 (alpha_handle_trap_shadows): ... a new function. Handle the entire
1292 function in one go. Emit RTL for trapb, instead of printf directly.
1293 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
1294 (trap_pending): Kill global variable.
1295 (output_epilog): Don't call final_prescan_insn.
1296 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
1297 * alpha.h (FINAL_PRESCAN_INSN): Remove.
1298 (MACHINE_DEPENENT_REORG): Define.
1299 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
1302 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
1304 Tune Haifa scheduler for Alpha:
1305 * alpha.h (ISSUE_RATE): Define.
1306 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
1307 EV4 adjustments to EV5.
1308 * alpha.md: Remove all scaling from function unit delays. Rework
1309 EV5 function units to match the CPU.
1310 (umuldi3_highpart): EV5 added the IMULH insn class.
1312 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
1314 * pa.c (following_call): Fail if the CALL_INSN is an indirect
1317 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
1319 * cplus-dem.c (demangle_signature): Don't look for return types on
1320 constructors. Handle member template constructors.
1322 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
1324 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
1325 * tree.h: Declare them.
1327 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
1329 * configure.in: Handle --with-newlib.
1330 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
1332 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
1334 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
1336 * config/ptx4.h: Fix typo.
1338 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
1340 * version.c: Bump for snapshot.
1342 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
1344 * aclocal.m4: Substitute INSTALL.
1345 * configure: Re-built.
1347 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
1349 * integrate.c (save_for_inline_copying): Avoid undefined pointer
1351 (expand_inline_function): Likewise.
1353 * dwarf2out.c (output_call_frame_info): Reinstate last change
1354 using flag_debug_asm check instead of flag_verbose_asm.
1356 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
1358 * dwarf2out.c (output_call_frame_info): Remove last change.
1360 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1362 * frame.c (__frame_state_for): Execute the FDE insns until the
1363 current pc value is strictly bigger than the target pc value.
1365 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
1367 * regclass.c (init_reg_modes): If we can't find a mode for the
1368 register, use the previous one.
1370 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
1372 * haifa-sched.c (print_block_visualization): Call fprintf directly,
1373 don't sprintf through an alloca'ed buffer.
1375 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
1377 * reload.c (decompose): Always initialize val.base.
1379 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1381 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
1382 instead of aborting.
1383 * dwarf2out.c (output_call_frame_info): Call app_enable and
1384 app_disable to let GNU as accept the generated comments.
1386 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
1388 * tree.h (get_file_function_name): Add declaration.
1389 * dwarf2out.c (output_call_frame_info): No need to cast
1390 get_file_function_name call anymore.
1391 * profile.c (toplevel): Remove get_file_function_name
1393 * c-lang.c (finish_file): Ditto.
1395 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
1397 * Makefile.in (program_transform_name): Let autoconf substitute
1400 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
1402 * haifa-sched.c (schedule_block): If the first real insn in a
1403 block has any special notes attached to it, remove them.
1405 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
1407 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
1409 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1411 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
1413 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
1415 * Makefile.in (check-g77): New test target.
1416 (CHECK-TARGETS): Add check-g77.
1418 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1420 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
1422 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
1424 * flow.c (print_rtl_with_bb): Cast alloca return value for
1427 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
1429 * i386.h (RETURN_ADDR_RTX): New definition that works for
1430 __builtin_return_address(0) and -fomit-frame-pointer.
1432 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
1434 Bring over from FSF.
1435 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
1437 * mips.c (function_arg): Handle passing a struct
1438 containing a double in a DFmode register without the PARALLEL.
1440 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
1442 * pexecute.c: Use spawn if __CYGWIN32__.
1444 * pexecute.c: Include "config.h" first, as per autoconf manual
1445 (from Paul Eggert <eggert@twinsun.com>).
1447 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1449 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
1450 optimisation for f/expr.o and f/stb.o.
1452 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
1454 * cse.c (this_insn_cc0_mode): Initialize.
1456 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
1458 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
1460 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
1462 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
1464 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
1465 that pair will dual-issue on the 21164 and plus+beq won't.
1466 (bne): Likewise for cmpeq+beq.
1468 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
1470 * except.c (find_exception_handler_labels): Correct argument to free.
1472 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
1474 * except.c (find_exception_handler_labels): Free LABELS when we're
1477 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
1479 * version.c: Bump for snapshot.
1481 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1483 * flow.c (find_basic_blocks): Mark calls as potentially jumping
1486 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
1488 * configure.in: Substitute for "install" too.
1489 * configure: Rebuilt.
1491 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
1493 * Makefile.in (bootstrap-lean, compare-lean): New targets.
1495 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
1497 * alias.c (base_alias_check): Two symbols can conflict if they
1498 are accessed via AND.
1499 (memrefs_conflict_p): Likewise.
1501 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
1502 after flushing argument registers to the stack.
1504 * Makefile.in (mostlyclean): Remove .regmove files.
1506 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1508 * libgcc2.c (__throw): Fix thinko.
1510 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
1512 * cplus-dem.c (demangle_template): Add new parameter. Handle new
1513 template-function mangling.
1514 (consume_count_with_underscores): New function.
1515 (demangle_signature): Handle new name-mangling scheme.
1517 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1519 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
1522 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
1524 * frame.c: Remove last change.
1525 * dwarf2.h: Remove last change.
1526 * tree.h: Add declarations of DWARF2 unwind info support
1529 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1531 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
1532 * tree.h (built_in_function): Likewise.
1533 * expr.c (expand_builtin): Likewise.
1534 * except.h: Likewise.
1535 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
1536 * libgcc2.c (copy_reg): New fn.
1539 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
1541 * c-typeck.c (build_binary_op): Warn about comparing signed vs
1542 unsigned if -W is specified and -Wno-sign-compare is not.
1543 * c-decl.c (warn_sign_compare): Initialize to -1.
1544 (c_decode_option): -Wall no longer implies -Wsign-compare.
1546 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1548 * frame.c: Include gansidecl.h for PROTO.
1549 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
1550 defined. Don't declare dwarf2out_cfi_label here.
1551 * dwarf2.h: Add declarations of DWARF2 unwind info support
1553 * m68k.c: Include dwarf2.h.
1554 (output_function_prologue): Add dwarf2 support.
1555 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
1556 (INCOMING_FRAME_SP_OFFSET): Likewise.
1558 * integrate.c (expand_inline_function): Make sure there is at
1559 least one insn that can be used as an insertion point.
1561 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1563 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
1565 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
1567 * version.c: Bump for snapshot.
1569 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
1571 Bring over from FSF.
1573 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
1575 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
1576 (get_pc_via_rdpc): Renamed from get_pc_sp64.
1577 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
1579 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
1581 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
1582 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
1584 (sparc_align_{loops,jumps,funcs}_string): Declare.
1585 (sparc_align_{loops,jumps,funcs}): Declare.
1586 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
1587 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
1588 (STACK_BIAS): Define.
1589 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
1591 (SPARC_SETHI_P): New macro.
1592 (CONST_OK_FOR_LETTER_P): Use it.
1593 (ASM_OUTPUT_ALIGN_CODE): Define.
1594 (ASM_OUTPUT_LOOP_ALIGN): Define.
1595 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
1596 (sparc_align_{loops,jumps,funcs}): New globals.
1597 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
1599 (move_operand): Use SPARC_SETHI_P.
1600 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
1602 (arith11_double_operand): Likewise.
1603 (arith10_double_operand): Likewise.
1604 (finalize_pic): Finish sparc64 support.
1605 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
1606 64 bit constants if able.
1607 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
1608 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
1610 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
1611 (get_pc_sp32): Use for sparc64 as well.
1612 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
1613 (sethi_di_sp64_const): Likewise.
1614 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
1615 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
1616 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
1618 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
1620 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
1621 * sparc/linux.h (COMMENT_BEGIN): Likewise.
1622 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
1624 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
1626 Add sparc64 linux support.
1627 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
1628 to xm_file list on 32-bit sparc-linux.
1629 * sparc/xm-sp64.h: New file.
1630 * sparc/linux64.h: New file.
1631 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
1632 Don't include xm-sparc.h.
1633 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
1634 * glimits.h (LONG_MAX): Handle sparc64.
1636 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
1638 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
1639 * sparc.h (ASM_COMMENT_START): Define.
1640 * sparc.c (output_function_prologue): Use it.
1641 (sparc_flat_output_function_{epi,pro}logue): Likewise.
1643 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
1645 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
1646 use sparc.h's copies.
1647 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
1650 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1652 * sparc.c (dwarf2out_cfi_label): Add declaration.
1653 (save_regs, output_function_prologue): Remove cast for it.
1654 (sparc_flat_{save_restore,output_function_prologue): Likewise.
1655 ({save,restore}_regs): No longer inline.
1657 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1659 * fold-const.c (make_range): Correctly handle cases of converting
1660 from unsigned to signed type.
1662 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1664 * fold-const.c (merge_ranges): Make sure that if one range is subset
1665 of another, it will always be the second range. Correct (+,-) case to
1668 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1670 * final.c (final_end_function): Also do dwarf2 thing if
1671 DWARF2_DEBUGGING_INFO.
1672 (final_start_function): Likewise.
1674 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
1676 * expmed.c (expand_divmod): If compute_mode is not the same as
1677 mode, handle the case where convert_modes() causes op1 to no
1678 longer be a CONST_INT.
1680 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
1681 note holding get_jump_flags() calculation to all JUMP_INSNs.
1682 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
1683 * rtl.c (reg_note_name): Add new note types.
1685 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
1687 * rtlanal.c (computed_jump_p): Fix typo in last change.
1689 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1691 * loop.c (indirect_jump_in_function_p): Return 0
1694 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
1696 * rs6000/xm-rs6000.h: Fix thinko in last change.
1697 * rs6000/xm-sysv4.h: Likewise.
1699 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
1701 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
1703 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
1705 * reg-stack.c (find_blocks): Fix thinko in last change.
1707 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1709 * m68k.c (output_function_prologue): Add dwarf2 support.
1711 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
1712 INCOMING_FRAME_SP_OFFSET): New definitions.
1714 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
1716 * combine.c (try_combine): Use NULL_RTX instead of '0' where
1717 appropriate in calls to gen_rtx().
1718 * cse.c (cse_main): Likewise.
1719 * emit-rtl.c (gen_label_rtx): Likewise.
1720 * expr.c (init_expr_once): Likewise.
1721 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
1722 sched_analyze, init_rgn_data_dependences,
1723 compute_block_backward_dependences): Likewise.
1724 * sched.c (schedule_insns): Likewise.
1725 * varasm.c (immed_double_const): Likewise.
1727 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
1728 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
1730 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
1732 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
1733 (MULTILIB_DEFAULTS): Define.
1734 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
1735 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
1736 (LIBGCC_SPEC): Likewise.
1737 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
1738 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
1739 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
1740 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
1741 (EXTRA_PARTS, TAROUTOPTS): Delete.
1742 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
1743 (MULTILIB_OPTIONS): Define.
1744 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
1745 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
1747 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
1749 * version.c: Bump for snapshot.
1751 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
1753 * loop.c (loop_number): Delete function. Change all references
1754 to use uid_loop_num array.
1755 * loop.h (loop_number): Delete declaration.
1756 * unroll.c (unroll_loop): Change "loop_number" references to
1757 use uid_loop_num instead.
1759 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
1761 (loop_unroll_iter): Remove unused variable and all references.
1762 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
1763 (insert_bct): Fix minor formatting problems.
1764 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
1765 (loop_unroll_iter): Removed unused decl.
1766 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
1767 Always record the unrolling factor.
1769 * cse.c (simplify_relational_operation): Set h0u just like h0s.
1770 Similarly for h1u and h1s.
1772 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
1773 (find_basic_blocks): Use computed_jump_p to determine if a
1774 particular JUMP_INSN is a computed jump.
1775 * reg-stack.c (find_blocks): Use computed_jump_p to determine
1776 if a particular JUMP_INSN is a computed jump.
1777 * rtlanal.c (jmp_uses_reg_or_mem): New function.
1778 (computed_jump_p): Likewise.
1779 * rtl.h (computed_jump_p): Declare.
1780 * genattrtab.c (pc_rtx): Define and initialize.
1781 * loop.c (loop_optimize): Always determine if the current
1782 function has a computed jump.
1783 (indirect_jump_in_function_p): Use computed_jump_p to determine
1784 if a particular JUMP_INSN is a computed jump.
1786 * loop.c (fix_bct_param): Delete unused function.
1787 (check_bct_param): Likewise.
1789 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1791 * frame.c (__deregister_frame): Check properly for initialized object.
1793 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1795 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
1797 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1799 * jump.c (thread_jumps): check can_reverse_comparison_p before
1800 threading a reversed-condition jump.
1802 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
1803 * haifa-sched.c (update_flow_info): Likewise.
1805 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
1807 * Makefile.in (BOOT_CFLAGS): Use -O2.
1809 * configure.in (strtoul, bsearch): Have autoconf check for these
1811 * configure, config.in: Rebuilt.
1813 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
1814 * mips/mips.h (alloca): Likewise.
1815 * rs6000/xm-rs6000.h (alloca): Likewise.
1816 * rs6000/xm-sysv4.h: Likewise.
1818 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
1820 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
1821 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
1822 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
1824 * except.c (end_eh_unwinder): Subtract 1 from return address.
1825 * libgcc2.c (__throw): Likewise.
1826 (find_exception_handler): Don't change PC here. Compare end with >.
1828 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
1830 * v850.c (compute_register_save_size): Correct register
1832 * v850.md (save_interrupt, return_interrupt): Correct
1834 * v850/lib1funcs.asm (save_interrupt): Correct register number.
1835 (return_interrupt): Use stack pointer, not element pointer.
1837 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
1839 * configure.in, configure: Make sure to create the stage* and include
1840 symbolic links in each subdirectory.
1842 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
1844 * pa.md (reload_peepholes): Don't allow addresses with side
1845 effects for the memory operand.
1847 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1849 * libgcc2.c (find_exception_handler): Subtract one from our PC when
1850 looking for a handler, to avoid hitting the beginning of the next
1853 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
1855 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
1857 * mips/abi64.h (LONG_MAX_SPEC): Define.
1858 * mips.h (LONG_MAX_SPEC): Define.
1859 (CPP_SPEC): Include long_max_spec.
1860 (EXTRA_SPECS): Include long_max_spec.
1862 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
1864 * v850.c (construct_save_jarl): Fix thinko in last change.
1866 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
1868 * version.c: Bump for snapshot.
1870 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1872 * libgcc2.c (find_exception_handler): Not found is -1.
1874 * integrate.c (expand_inline_function): Move expand_start_bindings
1875 after expanding the arguments.
1877 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
1879 * expr.c (expand_expr): Remove previous incorrect change.
1880 If target and slot has no DECL_RTL, then call mark_addressable
1881 again for the slot after we give it RTL.
1883 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
1885 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1886 again for the slot after we give it RTL.
1888 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
1890 * v850.c (register_is_ok_for_epilogue,
1891 pattern_is_ok_for_epilogue, construct_restore_jr,
1892 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
1894 * v850.h (pattern_is_ok_for_prologue,
1895 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
1898 * v850.md: Replace prologue and epilogue patterns with a
1899 match_parallel pattern.
1901 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
1903 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
1904 * configure.in: Use EGCS_PROG_INSTALL.
1906 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
1908 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
1909 extern inline function.
1911 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
1913 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
1914 (concat_loc_descriptor): New function.
1915 (loc_descriptor): Call it.
1916 (add_AT_location_description): Also elide the descriptor if both
1917 halves of a CONCAT are pseudos.
1918 (add_location_or_const_value_attribute): Recognize CONCAT too.
1920 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
1922 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
1924 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
1925 out-or-range reg_offset.
1926 (output_epilog): Likewise.
1928 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
1930 * cse.c (simplify_relational_operation): If MODE specifies a
1931 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
1932 is derived from the sign bit of the low word.
1934 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1936 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
1938 * dwarf2.h: Add DW_CFA_GNU_args_size.
1939 * frame.c (execute_cfa_insn): Likewise.
1940 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
1941 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
1942 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
1943 insn, hand it off to dwarf2out_stack_adjust.
1944 (dwarf2out_begin_prologue): Initialize args_size.
1945 * frame.h (struct frame_state): Add args_size.
1946 * libgcc2.c (__throw): Use args_size.
1947 * final.c (final_scan_insn): If we push args, hand off all insns
1948 to dwarf2out_frame_debug.
1949 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
1951 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
1952 Handle epilogue restore of SP from FP.
1953 * emit-rtl.c (gen_sequence): Still generate a sequence if the
1954 lone insn has RTX_FRAME_RELATED_P set.
1956 * frame.c (extract_cie_info): Handle "e" augmentation.
1957 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
1958 absence of UNALIGNED_*_ASM_OP.
1959 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
1960 (output_call_frame_info): Use "e" instead of "z" for augmentation.
1961 Don't emit augmentation fields length.
1962 (dwarf2out_do_frame): Move outside of #ifdefs.
1963 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
1966 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
1967 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
1968 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
1969 * sparc/sun4gas.h: New file.
1970 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
1972 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
1973 __register_frame_table and __deregister_frame.
1975 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
1977 * except.c (find_exception_handler_labels): Use xmalloc instead of
1978 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
1981 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
1983 * Makefile.in: Various changes to build info files
1984 in the object tree rather than the source tree.
1986 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
1988 * fixinc.math: New file to fix math.h on some systems.
1989 * configure.in (freebsd, netbsd): Use fixinc.math on these
1991 * configure: Rebuilt.
1993 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
1995 * regmove.c (regmove_optimize): If we end up moving the
1996 original insn due to lifetime overlaps, make sure to move
1999 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
2001 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
2003 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
2005 * haifa-sched.c (add_branch_dependences): Make each insn in
2006 a SCHED_GROUP_P block explicitly depend on the previous insn.
2008 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2010 * except.h: Prototype dwarf2 hooks.
2013 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
2015 * configure.in (native_prefix): Delete.
2016 (mips-dec-netbsd): Don't set prefix.
2017 (*linux*): Don't set prefix.
2019 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
2021 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
2022 defined. If not defined, include <sys/varargs.h> if
2023 HAVE_SYS_VARARGS_H is defined.
2024 * configure.in: Test for varargs.h and sys/varargs.h.
2025 * configure: Regenerate with autoconf.
2026 * config.in: Regenerate with autoheader.
2028 * cpplib.c (quote_string): Cast first arg of sprintf call
2029 from "unsigned char *" to "char *".
2030 (output_line_command): Ditto.
2031 (macroexpand): Ditto.
2032 (do_line): Cast atoi arg from "unsigned char *" to "char *".
2034 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
2036 * version.c: Bump for snapshot.
2038 * Makefile.in (compare): Exit with nonzero status if there
2039 are comparison failures. Note which files failed the
2040 comparison test in .bad_compare.
2042 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2044 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
2046 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
2048 * Makefile.in (LN, LN_S): New macros, use where appropriate.
2049 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
2050 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
2051 * configure: Regenerated.
2053 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
2055 * loop.c (strength_reduce): Fix typo.
2057 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
2059 * m88k/m88k.c (struct option): Rename to struct options.
2060 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
2061 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
2062 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
2063 __DOLPHIN__ or sysV88.
2065 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
2067 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
2070 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
2072 * config.sub: Accept 'amigados' for backward compatability.
2074 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2076 * Makefile.in (testsuite/site.exp): New target.
2077 (check-gcc, check-g++): Depend on testsuite/site.exp.
2078 Don't stop for failure.
2080 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
2082 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
2083 if DWARF2_UNWIND_INFO.
2085 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
2087 Add support for exception handling using DWARF 2 frame unwind info.
2088 Currently works on SPARC and MIPS, and almost on x86.
2090 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
2091 next_stack_level, in_reg_window): Helper fns.
2092 (__throw): Implement for DWARF2_UNWIND_INFO.
2094 * expr.c (expand_builtin): Handle builtins used by __throw.
2095 * tree.h (enum built_in_function): Add builtins used by __throw.
2096 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
2097 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
2098 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
2099 (expand_builtin_extract_return_addr): Likewise.
2100 (expand_builtin_frob_return_addr): Likewise.
2101 (expand_builtin_set_return_addr_reg): Likewise.
2102 (expand_builtin_eh_stub): Likewise.
2103 (expand_builtin_set_eh_regs): Likewise.
2104 (eh_regs): Choose two call-clobbered registers for passing back values.
2106 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
2107 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
2108 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
2109 (stmp-multilib): Likewise.
2110 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
2112 * except.c: #include "defaults.h".
2113 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
2114 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
2115 (register_exception_table_p): New fn.
2116 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
2117 (end_eh_unwinder): Likewise.
2119 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
2120 call __register_frame and __deregister_frame as needed.
2121 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
2122 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
2123 EH_FRAME_SECTION_ASM_OP.
2124 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
2125 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
2126 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
2128 * dwarf2out.c (output_call_frame_info): If no support for
2129 EXCEPTION_SECTION, mark the start of the frame info with a
2131 * collect2.c (frame_tables): New list.
2132 (is_ctor_dtor): Recognise frame entries.
2133 (scan_prog_file): Likewise.
2134 (main): Pass -fno-exceptions to sub-compile. Also do collection
2135 if there are any frame entries.
2136 (write_c_file_stat): Call __register_frame_table and
2137 __deregister_frame as needed.
2138 (write_c_file_glob): Likewise.
2140 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
2141 Also require unaligned reloc support.
2142 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2143 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
2144 * sparc/sysv4.h: Not here.
2146 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
2147 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
2148 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
2150 * libgcc2.c (L_eh): Reorganize, moving code shared by different
2151 EH implementations to the top.
2152 (find_exception_handler): Split out. Start from 0. Compare against
2154 (__find_first_exception_table_match): Use it.
2155 * except.c (output_exception_table): Don't do anything if there's
2156 no table. Don't output a first entry of zeroes.
2157 (eh_outer_context): Adjust properly.
2158 (add_eh_table_entry): Use xrealloc.
2159 * toplev.c (compile_file): Just call output_exception_table.
2161 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
2163 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
2165 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
2167 * except.c (eh_outer_context): Do masking using expand_and.
2169 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
2171 Add port done awhile ago for the ARC cpu.
2172 * arc/arc.h: New file.
2173 * arc/arc.c: New file.
2174 * arc/arc.md: New file.
2175 * arc/initfini.c: New file.
2176 * arc/lib1funcs.asm: New file.
2177 * arc/t-arc: New file.
2178 * arc/xm-arc.h: New file.
2179 * ginclude/va-arc.h: New file.
2180 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
2181 * ginclude/varargs.h: Likewise.
2182 * Makefile.in (USER_H): Add va-arc.h.
2183 * configure.in (arc-*-elf*): Recognize.
2184 * longlong.h: Add ARC support.
2186 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
2188 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
2189 when clearing non-BLKmode data.
2191 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
2193 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
2194 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
2196 * xm-m88k.h (USG): Only define if it hasn't already been defined.
2198 * Makefile.in (risky-stage1): Delete gratutious whitespace.
2200 * Makefile.in (clean): Delete libgcc1-test.
2202 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
2204 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
2206 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
2209 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2211 * dwarf2out.c (output_call_frame_info): Call named_section.
2213 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
2215 * haifa-sched.c (print_value): Fix last change.
2217 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
2219 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
2222 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
2224 * mips.c (function_prologue): Set up the CFA when ABI_32.
2226 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
2227 for dwarf2 unwind info.
2228 (output_function_prologue, sparc_flat_output_function_prologue): Same.
2230 * final.c (final_end_function): Check dwarf2out_do_frame instead
2231 of DWARF2_DEBUG for dwarf2 unwind info.
2232 (final_scan_insn): Likewise.
2233 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
2236 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
2239 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
2241 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
2243 * v850.h (ASM_SPEC): Pass on target processor.
2244 (CPP_PREDEFINES): Only define if not already specified.
2245 (TARGET_VERSION): Only define if not already specified.
2246 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
2248 (EXTRA_SWITCHES): Extra entries in the switches array.
2249 (TARGET_DEFAULT): Set default target processor.
2251 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
2253 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
2254 cases, add %# and %/, and add : to make them into extended asms.
2256 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
2258 * alias.c (init_alias_analysis): Clean up incompatible pointer
2259 type warning in bzero.
2260 * regmove.c (regmove_optimize): Ditto.
2261 * haifa-sched.c (find_rgns): Ditto.
2263 * haifa-sched.c (print_value): Clean up ptr->int cast
2266 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
2268 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
2269 * install.texi (Configurations): Ditto.
2270 * config.sub: Ditto.
2272 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
2274 * Makefile.in (sdbout.o): Depend on insn-config.h.
2276 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
2278 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
2279 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
2281 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
2283 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
2284 prologue insn, only the first elt is significant.
2285 (output_call_frame_info): For exception handling, always use 4-byte
2286 fields as specified by the dwarf2 spec.
2287 Don't skip trivial FDEs.
2289 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
2291 * version.c: Bump for snapshot.
2293 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
2295 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
2296 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
2299 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
2301 * final.c (shorten_branches): During first pass, assume worst
2302 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
2304 * Makefile.in (distclean): Remove various things left around
2305 by running the testsuite.
2307 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
2309 * configure.in (out_file): Emit definition to config.status in order
2310 to have a defined value for configure.lang.
2311 * configure: Re-built.
2313 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
2315 * configure.in: Make symlink to as-new rather than as.new. Similarly
2317 * configure: Rebuilt.
2319 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
2321 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
2323 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
2325 * sparc/sparc.md: Add ultrasparc scheduling support.
2326 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
2328 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2330 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
2331 as initial value for real_label_map.
2332 (copy_for_inline): Likewise.
2334 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2336 * sched.c (update_flow_info) When looking if to set found_split_dest
2337 or found_orig_dest, look at all parts of a PARALLEL.
2338 * haifa-sched.c (update_flow_info): Likewise.
2340 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
2342 * v850: New directory for v850 port.
2343 * v850/lib1funcs.asm: New file.
2344 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
2345 * ginclude/va-v850.h: New file.
2346 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
2347 * configure.in (mn10200-*-*): New target.
2348 * configure: Rebuilt.
2349 * config.sub: Handle v850-elf.
2350 * Makefile.in (USER_H): Add va-mn10200.h.
2351 * invoke.texi: Document v850 stuff.
2353 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
2355 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
2356 has integer TYPE_{MAX,MIN}_VALUE before using them.
2358 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
2359 __HPUX_ASM__ versions.
2361 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
2363 * install.sh: Delete duplicate install script.
2365 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
2367 * reg-stack.c (subst_stack_regs): Pop the stack register for a
2368 computed goto which sets the same stack register.
2370 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
2371 destination are both on the regstack.
2372 (subst_stack_regs_pat): Put the destination at the top of the regstack.
2374 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
2376 * mips.md (nonlocal_goto_receiver): Define.
2378 * profile.c (output_arc_profiler): Check next_insert_after for non
2379 NULL before deferencing it.
2381 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
2383 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
2385 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
2387 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
2389 * toplev.c (rest_of_compilation): For passes starting with
2390 flow_analysis, use print_rtl_with_bb instead of print_rtl.
2392 * print-rtl.c (print_rtl_single): Print a single rtl value to a
2395 * flow.c (print_rtl_with_bb): Print which insns start and end
2396 basic blocks. For the start of a basic block, also print the live
2399 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
2401 * toplev.c (main): Change #elif to #else/#ifdef
2403 * tlink.c: Include ctype.h.
2404 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
2406 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
2408 * bitmap.c: Conditionally include stdlib.h.
2409 (free): Provide a declaration if NEED_DECLARATION_FREE.
2411 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
2413 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
2415 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
2417 * profile.c (output_arc_profiler): Verify next_insert_after is an
2418 INSN before and after skipping a stack pop.
2420 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2422 * final.c (shorten_branches): Don't count the lengths of deleted
2425 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
2427 * version.c: Bump for snapshot.
2429 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
2431 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
2432 two bitmaps ANDed together.
2433 (bitmap_print): Declare.
2435 * bitmap.c (function_obstack): Don't declare any more.
2436 (bitmap_obstack): Obstack for allocating links from.
2437 (bitmap_obstack_init): New static to say whether to initialize
2439 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
2440 (bitmap_release_memory): Free all memory allocated from
2443 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
2444 EXECUTE_IF_AND_IN_BITMAP.
2446 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
2448 * alias.c (true_dependence): Address with AND can alias scalars.
2449 (anti_dependence, output_dependence): Likewise.
2451 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
2453 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
2455 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
2456 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
2457 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
2458 definitions. Use -qrtems instead of -mrtems.
2460 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
2462 * xm-sco5.h (sys_siglist): Define.
2463 (SYS_SIGLIST_DECLARED): Likewise.
2465 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
2467 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
2469 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
2471 * except.c (eh_outer_context): Expand masking operation using
2474 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
2476 * alpha.md (floatdisf2-1): New pattern.
2478 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
2480 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
2481 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
2482 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
2483 * gcc.texi: Note that if you define sys_siglist that you should
2484 also define SYS_SIGLIST_DECLARED.
2486 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
2487 are relative to the next instruction, not the current instruction.
2489 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
2491 * local-alloc.c (contains_replace_regs): New function.
2492 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
2493 verify that there is no existing REG_EQUIV note, and add a call to
2494 contains_place_regs.
2496 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2498 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
2499 (STARTFILE_SPEC): Always use crtbegin.o%s
2500 (ENDFILE_SPEC): Always use crtend.o%s.
2502 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
2504 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
2506 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
2507 SFmode for 64 bit hosts.
2509 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
2511 * fixincludes: Permits spaces between # and define. Discard C++
2512 comments in sys/pci.h on HP/UX 10.20.
2514 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
2516 * version.c: Bump for snapshot.
2518 * pa.c (restore_unscaled_index_insn_codes): New function.
2519 (record_unscaled_index_insn_codes): Likewise.
2520 (output_function_prologue): Call restore_unscaled_index_insn_codes.
2521 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
2522 (pa_reorg): Call record_unscaled_index_insn_codes.
2524 * haifa-sched.c (move_insn): Handle notes correctly for insns
2525 with SCHED_GROUP_P set.
2527 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2529 * alpha/xm-linux.h (USE_BFD): Undef before define.
2531 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
2533 * cse.c (cse_insn): Don't record BLKmode values.
2535 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
2537 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
2539 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
2541 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
2542 * collect2.c (sys_errlist): Likewise.
2543 * cpplib.c (sys_errlist): Likewise.
2544 * gcc.c (sys_errlist): Likewise.
2545 * protoize (sys_errlist): Likewise.
2546 * configure.in: Check for strerror.
2547 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
2548 * xm-gnu.h (HAVE_STRERROR): Likewise.
2549 * xm-linux.h (HAVE_STRERROR): Likewise.
2550 * xm-netbsd.h (HAVE_STRERROR): Likewise.
2551 * xm-bsd386.h (HAVE_STRERROR): Likewise.
2552 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
2553 * xm-dos.h (HAVE_STRERROR): Likewise.
2554 * xm-mingw32.h (HAVE_STRERROR): Likewise.
2555 * xm-pa.h (HAVE_STRERROR): Likewise.
2556 * xm-papro.h (HAVE_STRERROR): Likewise.
2557 * xm-sysv4.h (HAVE_STRERROR): Likewise.
2558 * configure, config.in: Rebuilt.
2560 * Makefile.in: Add several missing "else true" clauses.
2562 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
2563 * mips-tfile.c: Likewise.
2564 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
2565 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
2566 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
2567 * configure.in: Check for sys_siglist declaration.
2568 * configure, config.in: Rebuilt.
2570 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
2572 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
2573 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
2574 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
2575 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
2576 * rs6000/sysv4.h (extra_subtarget_switches): Added new
2577 macro EXTRA_SUBTARGET_SWITCHES.
2578 * configure.in (sh*-*-rtems*): New target.
2579 * sh/rtems.h: New file.
2580 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
2581 * configure: Rebuilt.
2583 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
2585 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
2587 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
2589 * rs6000.md: Make DF fused-add operations pay attention to
2592 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
2594 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
2596 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
2598 * pa.md (reload_peepholes): Make sure operand is a REG before
2599 examining REGNO. Allow general registers too.
2601 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
2603 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
2605 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
2607 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
2608 to reallocate abbrev_die_table.
2610 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
2612 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
2614 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2616 * Makefile.in (config.status): Depend on version.c
2618 * expr.h (insn_gen_function): Reenable prototype.
2620 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
2623 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
2625 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
2627 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
2629 * version.c: Bump for latest snapshot.
2631 * bc-optab.c: Conditionally include stdlib.h.
2632 (free): Provide a declaration if NEED_DECLARATION_FREE.
2633 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
2634 * rtl.h (free): Remove declaration.
2635 * tree.h (free): Remvoe declaration.
2637 * configure: Rebuilt.
2639 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
2641 * flags.h (flag_move_all_movables): Declare.
2642 (flag_reduce_all_givs): Likewise.
2643 * loop.c (move_movables): Handle flag_move_all_movables.
2644 (strength_reduce): Handle flag_reduce_all_givs.
2645 * toplev.c (flag_move_all_movables): Define.
2646 (flag_reduce_all_givs): Likewise.
2647 (f_options): Add -fmove-all-movables and -freduce-all-givs.
2648 * invoke.texi: Document new options, including alias stuff that
2649 wasn't included last time.
2651 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
2653 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
2656 * t-vxworks68: Ditto.
2657 * t-vxworks960: Ditto.
2660 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
2662 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
2663 if not already defined, and USE_C_ALLOCA not defined.
2665 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
2667 * config.guess: Replace with script that uses ../config.guess.
2669 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
2670 if USE_GNULIBC_1 is not defined.
2672 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
2674 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
2675 * config.guess: Recognize alpha-linux-gnulibc1.
2676 * configure.in (alpha-*-linux-gnulibc1): New target.
2677 (alpha-*-linux-gnu*): Don't build crtbegin/end.
2679 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
2681 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
2684 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
2686 * loop.c (combine_movables): Earlier insns don't match later ones.
2688 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2690 * config/linux.h (CC1_SPEC): Define it only if not defined.
2692 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
2695 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
2696 USE_GNULIBC_1 is not defined.
2698 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
2700 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
2701 as 1 if USE_GNULIBC_1 is not defined.
2703 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
2705 * reorg.c (dbr_schedule): Allow current_function_return_rtx
2706 to be something other than a REG.
2707 * function.c (expand_function_end): Fix current_function_return_rtx
2710 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
2711 * x-netbsd: Likewise
2712 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
2713 (INSTALL_HEADERS): Delete.
2714 * x-dguxbcs: Likewise.
2715 * x-hp3bsd44: Likewise
2718 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2720 * i386.md (pop): pop increments the stack pointer.
2721 (prologue_set_stack_ptr): New pattern.
2722 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
2725 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
2727 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
2728 address where an offsettable address is required.
2730 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
2732 * loop.c (check_final_value): Don't miss a biv increment in a
2735 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
2737 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
2738 TYPE_DECL_IS_STUB instead of DECL_NAME.
2740 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2742 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
2744 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
2746 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
2748 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
2750 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
2751 (find_post_sched_live): Likewise.
2753 * haifa-sched.c (schedule_block): Remove old code to get arguments
2754 from hard regs into pseudos early.
2756 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
2758 * version.c: Bump for new snapshot.
2760 * local-alloc.c (update_equiv_regs): All the target to reject
2761 promotion of some REG_EQUAL to REG_EQUIV notes.
2762 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
2764 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
2767 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
2768 store of the argument registers.
2770 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
2772 * fold-const.c (multiple_of_p): New function.
2773 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
2775 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
2777 * expr.h (insn_gen_function): Temporarily remove prototype.
2779 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
2781 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
2782 filenames. Use sed to extract base filename for install.
2784 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
2786 * unroll.c (find_splittable_givs): Only share if two givs have the
2787 same add and multiply values.
2789 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
2791 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
2792 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
2794 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
2796 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
2797 around branch tables.
2798 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
2799 and .end_brtab directives if TARGET_GAS.
2801 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
2803 * alias.c (true_dependence): Pass x_addr not x to varies.
2805 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
2806 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
2807 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
2809 * config.in, configure: Regenerate.
2811 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
2813 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
2815 (record_set): Handle LO_SUM like PLUS.
2816 (init_alias_analysis): When following chains of base addresses,
2817 do not stop on reaching a hard register.
2819 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
2821 * version.c: Bump for new snapshot.
2823 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
2825 * alpha.h (ARCH_ASM_FILE_START): Define.
2826 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
2827 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
2829 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
2831 * Makefile.in (install-common): Put gcov comment at start of line.
2833 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
2835 * alias.c (init_alias_analysis): When simplifying the reg_base_value
2836 array, simplify entries for hard registers too.
2838 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
2840 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
2843 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
2845 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
2846 block_stack before dereferencing it.
2848 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
2850 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
2852 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2854 * cplus-dem.c: Add 'extern' to prepends_underscore.
2856 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
2858 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
2859 (get_issue_rate): Delete.
2860 * pa.h (ISSUE_RATE): Define.
2862 * configure.in: Turn on haifa by default for the PA.
2863 * configure: Rebuilt.
2864 * pa.c (override_options): Accept -mschedule=7200 option.
2865 (pa_adjust_cost): No longer need to scale costs for newer
2867 * pa.h (enum processor_type): Add PROCESSOR_7200.
2868 * pa.md: Revamp scheduling parameters to work better with
2869 haifa. Add scheduling parameters for the 7200.
2871 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
2873 (schedule_block): When adjusting basic_block_{head,end}, account
2874 for movement of SCHED_GROUP_P insns too.
2876 * haifa-sched.c (debug_dependencies): Fix thinko.
2878 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
2879 (site.exp, check, check-g++, check-gcc): New targets.
2881 * haifa-sched.c: Make lots of variables static.
2883 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2885 * expr.h, real.h: Finish prototyping.
2887 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
2889 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
2890 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
2891 * reload1.c: Undo bugfix from Aug 11.
2893 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
2895 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
2896 quotes around the name.
2897 * configure: Regenerate.
2899 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
2901 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
2903 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
2905 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
2906 to sub-makes to avoid building more passes than the user might have
2907 requested on the command line.
2909 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
2911 * configure.in: Expurgate `broken_install' (install is
2914 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
2917 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
2919 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
2920 functions and declarations.
2921 (analyze_loop_iterations): Use condjump_p.
2922 (insert_bct): Likewise. Use exact_log2.
2924 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
2926 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
2927 (schedule_region): Likewise.
2928 (schedule_insns): Likewise.
2930 * PROJECTS: Update with Haifa stuff.
2932 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
2934 * version.c: Change the version string to look like:
2935 egcs-2.90.00 970814 (gcc2-970802 experimental).
2937 * loop.c (is_conditional_branch): Make definition match declaration.
2939 * gcc.c: Take out experimental snapshot warning message.
2941 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
2943 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
2944 print out the names of the notes. Print out the name of the insn
2945 that is not a note, and not an {,CALL_,JUMP_}INSN.
2947 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2949 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
2950 again for the slot after we give it RTL.
2952 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
2954 * configure.in (haifa configury): Fix typo.
2955 * configure: Regenerate.
2957 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
2959 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
2961 * gcc.info*: Rebuilt.
2963 * COPYING.g77, README.g77: New files.
2964 * real.c (ereal_unto_float, ereal_unto_double): New functions.
2965 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
2966 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
2968 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
2970 * Integrate Haifa instruction scheduler.
2971 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
2972 to sched with $(SCHED_CFLAGS.
2973 * configure.in: Handle --enable-haifa.
2974 * configure: Rebuilt.
2975 * flags.h: Add new flags for haifa instruction scheduler.
2976 * genattrtab.c (expand_units): For haifa, don't subtract one
2977 when computing blockage.
2978 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
2979 (flag_schedule_speculative): Ditto.
2980 (flag_schedule_speculative_load): Ditto.
2981 (flag_schedule_speculative_load_dangerous): Ditto.
2982 (flag_schedule_reverse_before_reload): Ditto.
2983 (flag_schedule_reverse_after_reload): Ditto.
2984 (flag_branch_on_count_reg): Ditto.
2985 (f_options): Add Haifa switches.
2986 (main): Turn off some Haifa options if appropriate macro is
2987 defined. Process Haifa switches.
2988 * unroll.c (iteration_info): No longer static, since Haifa
2990 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
2991 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
2992 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
2993 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
2994 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
2995 storage for the Haifa scheduler.
2996 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
2998 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
2999 are defined, call analyze_loop_iterations and insert_bct to use
3001 (record_giv): Refine test for jumps out of loops if HAIFA is
3003 (analyze_loop_iterations): New function to identify if we can use
3005 (insert_bct): Insert countdown loop.
3006 (instrument_loop_bct): Low level code to insert countdown loop.
3007 (loop_number): Calculate UID of loop.
3008 (indirect_jump_in_function_p): Return true if an indirect jump is
3010 (is_power_of_2): Return true if value is a power of 2.
3011 (is_conditional_branch): Return true if insn is a conditional
3013 (fix_bct_param): Process -fbct-{min,max}-N switches.
3014 (check_bct_param): Return true if loop should be instrumented.
3015 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
3016 (loop_optimize): Initialize.
3017 (get_condition_for_loop): Ditto.
3018 * loop.c (strength_reduce): Inside of code that uses #ifdef
3019 HAVE_decrement_and_branch_on_count code, test it to make sure the
3021 (instrument_loop_bct): Ditto.
3022 * haifa-sched.c: New file.
3025 * Integrate regmove pass.
3026 * Makefile.in (OBJS): Add regmove.o
3027 (regmove.o): Add dependencies.
3028 * flow.c (find_use_as_address): No longer static.
3029 * rtl.h (find_use_as_address): Declare.
3030 * toplev.c (regmove_dump, flag_regmove): Define.
3031 (f_options): Add -fregmove.
3032 (regmove_dump_file, regmove_time): Define.
3033 (fatal_insn): Close the regmove dump file.
3034 (compile_file): Initialize regmove_time; open/close the regmove dump
3035 file as needed. Print regmove time as needed.
3036 (rest_of_compilation): Run regmove pass if requested, dump
3037 RTL after regmove if requested.
3038 (main): If -O2 or more, turn on regmove. Handle dump switches.
3039 * regmove.c: New file.
3041 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
3043 * Integrate tlink patch from jason@cygnus.com
3044 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
3045 (process_command): Increment n_switches for them. Don't discard
3046 their args. Validate them.
3047 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
3049 (process_command): Set include_prefixes from COMPILER_PATH.
3050 (main): Set COLLECT_GCC_OPTIONS sooner.
3051 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
3052 * tlink.c, hash.c, hash.h: New files.
3053 * Makefile.in (USE_COLLECT2): Always use collect2.
3054 (collect2): Depend on and link in hash.o and tlink.o.
3055 (tlink.o, hash.o): Add dependencies.
3057 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
3059 * Integrate alias analysis changes from jfc@mit.edu
3060 * Makefile.in (OBJS): Add alias.o
3061 (alias.o): Add dependencies.
3062 * alias.c: New file.
3063 * sched.c: Remove alias analysis code. It lives in alias.c now.
3064 (sched_analyze_2): Add new arguments to true_dependence.
3065 (schedule_insns): Always call init_alias_analysis.
3066 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
3067 mark return value from such functions as a pointer and keep track of
3068 them for alias analysis. If a return value from a function is a
3069 pointer, mark it as such.
3070 * combine.c (distribute_notes): Handle REG_NOALIAS.
3071 * cse.c (struct write_data): Delete. No longer needed.
3072 (invalidate): Don't call set_nonvarying_address_components anymore.
3073 Use true_dependence to decide if an entry should be removed from
3075 (invalidate_memory): Remove WRITES argument, simplify appropriately.
3077 (note_mem_written): Similarly for WRITE_PTR argument.
3078 (invalidate_from_clobbers): Similarly for W argument.
3079 (invalidate_for_call): Remove memory elements from the hash table.
3080 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
3081 (cse_rtx_varies_p): New function. Derived from old
3082 cse_rtx_addr_varies_p.
3083 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
3084 Don't call note_mem_written anymore. Stack pushes invalidate the stack
3085 pointer if PUSH_ROUNDING is defined. No longer need to call
3086 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
3087 (skipped_writes_memory): Remove variable.
3088 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
3089 (invalidate_skipped_block): Simplify for new alias analysis code.
3090 (cse_set_around_loop): Likewise.
3091 (cse_main): Call init_alias_analysis.
3092 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
3093 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
3094 (f_options): Add new alias checking arguments.
3095 (main): Set flag_alias_check when optimizing.
3096 * local_alloc (validate_equiv_mem_from_store): Add new arguments
3098 (memref_referenced_p): Likewise.
3099 * loop.c (NUM_STORES): Increase to 30.
3100 (prescan_loop): Only non-constant calls set unknown_address_altered.
3101 (invariant_p): Add new arguments to true_dependence.
3102 (record_giv): Initialize unrolled and shared fields.
3103 (emit_iv_add_mult): Call record_base_value as needed.
3104 * loop.h (struct induction): Add unrolled and shared fields.
3105 * unroll.c (unroll_loop): Call record_base_value as needed.
3106 (copy_loop_body): Likewise.
3107 (final_biv_value): Likewise.
3108 (final_giv_value): Likewise.
3109 (find_splittable_regs): Likewise. Only create one new pseudo
3110 if we have multiple address GIVs that were combined with the same
3111 dst_reg GIV. Note when a new register is created due to unrolling.
3112 * rtl.c (reg_note_name): Add REG_NOALIAS.
3113 * rtl.h (enum reg_note): Similarly.
3114 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
3115 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
3116 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
3117 (true_dependence, read_dependence, anti_dependence): Likewise.
3118 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
3119 (mark_user_reg, mark_reg_pointer): Likewise.
3122 * Integrate reload bugfix from Wilon which enables the PA port
3124 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
3125 OPERAND_ADDRESS when computing how many registers an insn needs.
3126 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
3128 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
3130 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
3131 in reload_reg_use_in_op_addr do not reach the end.
3132 do not reach the end.
3133 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
3134 RELOAD_FOR_OPERAND_ADDRESS.
3136 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
3138 * egcs project officially starts.