1 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
3 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
5 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
7 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
10 * alpha.c (override_options): Don't know about scheduling for EV6.
11 * alpha.md (ev5 function units): Don't overload as ev6.
13 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
14 * alpha.md (define_attr type): Add mvi.
15 (ev5_e0): Define sceduling parameters for it.
16 (TARGET_MAX insns): Type is mvi not shift.
18 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
20 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
22 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
24 * cstamp-h, auto-config.h: Delete.
26 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
28 * version.c: Bump for snapshot.
30 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
32 * cccp.c: Fix typo brought over in merge.
34 * Merge in changes from gcc-2.8.
36 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
38 * m68k.c: Include tree.h for dwarf2out_cfi_label.
40 * gcc.c (process_command): Do not take address of function fatal when
41 calling lang_specific_driver.
43 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
45 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
46 doesn't work with it yet, so set it to 0.
47 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
49 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
51 * cse.c (cse_insn): Check for invalid entries when taking references.
53 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
55 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
56 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
57 * toplev.c (rest_of_compilation): Pass it. Remove code to
58 save / clear / restore flag_unroll_{,all_}loops.
60 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
62 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
64 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
66 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
68 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
70 * except.c (get_dynamic_handler_chain): Only make the call once per
73 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
75 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
77 * sh.c (final_prescan_insn): Use local label prefix
78 when emitting .uses pseudo-ops.
80 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
82 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
83 * except.c: Lose outer_context_label_stack.
84 (expand_eh_region_end): Rethrow from outer_context here.
85 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
86 (expand_internal_throw): Take no args.
87 (expand_internal_throw_indirect): Lose.
88 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
89 (expand_start_all_catch): Start a rethrow region.
90 (expand_end_all_catch): End it.
91 (expand_rethrow): New fn.
92 * except.h: Reflect above changes.
93 * flow.c: Revert change of Nov 27.
95 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
97 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
99 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
101 * except.c (expand_fixup_region_end): New fn.
102 (expand_fixup_region_start): Likewise.
103 (expand_eh_region_start_tree): Store cleanup into finalization here.
104 * stmt.c (expand_cleanups): Use them to protect fixups.
106 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
108 * mips/mips.md (muldi3_r4000): Broaden the output template
109 and attribute assignments to handle three operand dmult;
110 rename to muldi3_internal2.
111 (muldi3): Call the new muldi3_internal2 for R4000, and
112 any GENERATE_MULT3 chip.
114 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
116 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
118 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
120 * unroll.c (find_splittable_givs): Remove last change. Handle givs
121 with a dest_reg that was created by loop.
123 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
125 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
127 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
129 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
131 * configure.in: Fix NCR entries.
133 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
135 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
136 nested exceptions correctly.
138 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
139 that was created by loop.
141 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
143 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
145 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
147 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
149 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
150 (print_operand): Use SMALL_DATA_REG for the register involved in
151 small data relocations.
152 (print_operand_address): Ditto.
154 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
155 -dynamic linker is not used.
157 * rs6000.md (call insns): For local calls, use @local suffix under
158 System V. Don't use @plt under Solaris.
160 * rs6000.c (output_function_profiler): Put label address in r0, and
161 store LR in 4(sp) for System V/eabi.
163 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
164 byte boundary, and maintain stack backchain.
166 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
168 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
169 fix_truncsfdi2): Change *.
171 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
173 * toplev.c (main): Complain about -gdwarfn.
175 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
177 * dwarfout.c (output_type): If finalizing, write out nested types
178 of types we've already written.
180 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
182 (patches originally from Geoffrey Keating)
183 * rs6000.c (function_arg): Excess floating point arguments don't
184 go into GPR registers after exhausting FP registers under the
186 (function_arg_partial_nregs): Ditto.
188 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
191 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
193 * integrate.c (output_inline_function): Just unset DECL_INLINE.
195 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
197 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
200 * libgcc2.c (__throw): Initialize HANDLER.
202 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
204 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
205 fix_truncsfdi2): Change *X to ?*X.
207 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
209 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
211 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
213 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
215 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
217 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
219 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
221 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
222 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
225 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
227 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
228 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
229 gas and not using the new HP assembler.
231 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
233 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
234 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
236 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
238 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
239 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
242 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
244 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
246 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
248 * except.h: Add outer_context_label_stack.
249 * except.c: Likewise.
250 (expand_start_all_catch): Push the outer_context for the try block
251 onto outer_context_label_stack.
252 (expand_end_all_catch): Use it and pop it.
254 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
256 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
258 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
260 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
262 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
264 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
265 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
267 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
269 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
270 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
271 __builtin_delete, and __builtin_vec_delete.
273 * except.c (output_exception_table): Don't bother with
276 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
278 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
279 is an in/out operand.
280 (zero extended variants of stwm/stwm patterns): Similarly.
282 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
284 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
286 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
288 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
289 (output_call_frame_info): Emit a \n after using it.
291 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
293 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
295 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
297 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
298 (ASM_OUTPUT_DWARF_VALUE4): New macro.
299 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
301 (output_call_frame_info): Do not output forward label differences
302 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
303 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
305 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
307 * sh.md (attribute "type"): Add nil.
308 (movsi_ie): y/y alternative is type nil.
309 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
311 (movsf_ie+1): Delete.
313 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
315 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
316 large_int, emit two insns instead of one splitable insn.
317 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
318 from cfa_temp_value, use cfa_offset. Add assert checking that
321 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
323 * cccp.c (deps_output): Properly quote file names for make.
325 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
327 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
329 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
331 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
333 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
335 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
337 (cse_end_of_basic_block): Similarly.
339 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
341 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
342 (SELECT_RTX_SECTION): Define.
343 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
345 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
347 * Makefile.in (compare, compare-lean): Define $stage for each
349 (gnucompare, gnucompare-lean): Likewise.
351 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
353 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
355 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
356 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
358 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
360 * dwarfout.c (byte_size_attribute): Add local var upper_bound
361 and add case to handle STRING_TYPE.
362 * dwarfout.c (output_string_type_die): Fix code to generate
363 correct string length attribute for fixed length strings.
364 Still needs support for varying length strings.
366 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
368 * toplev.c (get_run_time): Do something sensible for cygwin32.
370 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
372 * expr.c (expand_builtin_setjmp): Set
373 current_function_has_nonlocal_label.
374 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
375 call-saved registers across calls.
377 * alpha.md (exception_receiver): Remove.
378 (nonlocal_goto_receiver_osf): New
379 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
380 (nonlocal_goto_receiver): New, select _osf or _vms.
382 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
383 keep them from being propogated to the object file.
384 (alpha_write_linkage): Likewise.
385 * alpha.md (call_vms): Likewise.
386 (call_value_vms): Likewise.
387 (unnamed osf call insns): Likewise.
389 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
390 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
392 * alpha.c (call_operand): Any reg is valid for WinNT.
393 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
394 (anon nt calls): Add 'R' alternative.
395 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
396 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
398 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
400 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
402 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
403 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
404 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
406 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
408 * reload1.c (new_spill_reg): Improve fixed or forbidden register
411 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
413 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
414 use varargs.h. Wrap header with <>, not "".
416 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
418 * integrate.c (save_for_inline_copying): Add return value from
421 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
423 * fixincludes: Be a little more restrictive on what we will
424 substitute to replace definitions of MAXINT for HPUX.
426 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
428 * dbxout.c (dbxout_symbol_location): Don't assume that variables
429 whose address is the stack or argument pointers are indirect
432 1997-11-13 Paul Eggert <eggert@twinsun.com>
434 * cccp.c, cpplib.c (compare_defs):
435 Don't complain about arg name respellings unless pedantic.
436 * cpplib.c (compare_defs): Accept pfile as new arg.
439 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
441 * fold-const.c (fold_truthop): Fix bug in last change.
443 1997-11-13 Paul Eggert <eggert@twinsun.com>
445 Fix some confusion with IEEE minus zero.
447 * real.h (REAL_VALUES_IDENTICAL): New macro.
449 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
450 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
452 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
453 same tree structure as 0.0.
455 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
456 macro instead of doing it by hand.
458 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
460 * v850/lib1funcs.asm: Minor whitespace changes.
461 * v850.c: Fix minor formatting problems in many places.
462 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
464 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
466 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
467 xplus1 when xplus0 is not a register.
469 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
471 * flow.c (find_basic_blocks): During marking phase, if we encounter
472 an insn with a REG_LABEL note, make the target block live and
473 create an edge from the insn to the target block. Do not make
474 edges from all blocks to the target block.
476 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
478 * confiugre.in: Tweak NCR entries.
479 * configure: Rebuilt.
481 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
483 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
484 pick apart floating point values, instead of using CONST_DOUBLE_LOW
485 and CONST_DOUBLE_HIGH.
487 * rs6000.md (define_splits for DF constants): Use the appropriate
488 REAL_VALUE_* interface to pick apart DF floating point constants in
489 a machine independent fashion.
491 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
493 * fold-const.c (fold_truthop): When changing a one-bit comparison
494 against zero into a comparison against mask, do a proper sign
497 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
499 * except.c: Do not include "assert.h".
500 (save_eh_status): Turn asserts into conditional aborts.
501 (restore_eh_status, scan_region): Likewise.
502 * dwarfout.c: Do not include "assert.h".
503 (bit_offset_attribute): Turn asserts into conditional aborts.
504 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
505 (output_inlined_structure_type_die): Likewise.
506 (output_inlined_union_type_die): Likewise
507 (output_tagged_type_instantiation): Likewise.
508 (dwarfout_file_scope_decl): Likewise.
509 * dwarf2out.c: Do not include "assert.h"
510 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
511 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
512 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
513 (add_bit_size_attribute, scope_die_for): Likewise.
514 (output_pending_types_for_scope): Likewise.
515 (get_inlined_enumeration_type_die): Likewise.
516 (get_inlined_structure_type_die): Likewise.
517 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
518 (gen_tagged_type_instantiation_die): Likewise.
520 * flow.c (find_basic_blocks): Refine further to get a more correct
521 cfg, especially in the presense of exception handling, computed
522 gotos, and other non-trivial cases. Call abort if an inaccuracy
523 is detected in the cfg.
525 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
527 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
529 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
530 (skip_white_space): Use whitespace_cr.
531 (check_newline): Handle whitespace more consistently.
533 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
535 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
536 * i386/xm-cygwin32.h (POSIX): Define.
538 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
540 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
541 is available elsewhere.
543 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
545 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
546 what the instruction can handle.
548 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
550 * stmt.c (expand_decl_cleanup_no_eh): New fn.
552 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
554 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
556 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
557 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
559 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
561 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
562 swap instruction order.
564 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
566 * fixinc.svr4 (__STDC__): Add another case.
568 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
570 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
571 addresses in the epilogue delay slot.
573 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
575 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
576 in generated `specs' file.
578 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
580 * flags.h (flag_rerun_loop_opt): Declare.
581 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
582 * toplev.c (flag_rerum_loop_opt): Delete static.
584 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
588 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
590 * va-sh.h (__va_arg_sh1): Define.
592 SH3E doesn't use any integer registers for subsequent arguments
593 once a non-float value was passed in the stack.
594 * sh.c (machine_dependent_reorg): If optimizing, put explicit
595 alignment in front label for ADDR_DIFF_VEC.
596 * sh.h (PASS_IN_REG_P): Fix SH3E case.
597 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
599 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
601 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
604 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
606 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
607 put an use_sfunc_addr before each sfunc.
608 * sh.md (use_sfunc_addr, dummy_jump): New insns.
609 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
611 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
613 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
615 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
617 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
620 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
622 * alias.c (find_base_value): Only return the known base value for
625 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
627 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
628 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
630 (prologue_get_pc_and_set_got): New pattern.
632 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
634 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
635 for SUBREG, just fall through.
637 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
639 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
641 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
643 * fixincludes: Fix "hypot" prototype in NeXT math.h.
645 * Makefile.in (USE_ALLOCA): Always include alloca.o.
646 (USE_HOST_ALLOCA): Likewise.
648 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
649 and LABEL_REFS fields.
650 * rtl.h (LABEL_REFS): Update.
652 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
654 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
655 sets i2dest. When calling distribute_notes for i3dest_killed, pass
656 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
659 * mips.md (insv, extzv, extv): Add change_address call.
660 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
662 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
664 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
666 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
667 save_restore_insns if no FP and GP will be restored.
669 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
670 Convert CCmode to word_mode before calling GET_MODE_SIZE.
672 * acconfig.h (HAVE_INTTYPES_H): Undef.
673 * configure.in (inttypes.h): Check for conflicts between sys/types.h
674 and inttypes.h, and verify that intmax_t is defined.
675 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
676 * config/mips/x-iris3: Likewise.
678 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
680 * alias.c (find_base_value): When copying arguments, return the
681 tenative value for a hard register.
683 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
685 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
686 (yylex): Record wide strings using target endianness, not host.
688 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
690 * mn10200.h (ASM_OUTPUT_BSS): Delete.
691 (ASM_OUTPUT_ALIGNED_BSS): New macro
692 * mn10300.h (ASM_OUTPUT_BSS): Delete.
693 (ASM_OUTPUT_ALIGNED_BSS): New macro.
694 * v850.h (ASM_OUTPUT_BSS): Delete.
695 (ASM_OUTPUT_ALIGNED_BSS): New macro.
697 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
699 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
701 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
703 * configure.in (sco5): Use cpio to install header files.
705 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
707 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
709 * configure: Rebuild.
711 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
713 * i386/sco5.h: enable -gstabs once again.
715 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
717 * arm.c (output_move_double): Allocate 3 entries in otherops array.
719 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
721 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
722 notes for sjlj exceptions too.
723 (expand_eh_region_end): Similarly for EH_REGION_END notes.
724 (exception_optimize): Optimize EH regions for sjlj exceptions too.
725 * final.c (final_scan_insn): Don't output labels for EH REGION
726 notes if doing sjlj exceptions.
728 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
730 * alias.c (init_alias_analysis): Handle -fno-alias-check when
731 optimizing correctly.
733 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
734 or set current_function_calls_setjmp anymore.
736 * flow.c (find_basic_blocks): If we delete the label for an
737 exception handler, remove it from the EH label list and remove
738 the EH_BEGIN/EH_END notes for that EH region.
740 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
742 * flow.c (find_basic_blocks): Generate correct flow control
743 information when exception handling notes are present.
745 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
747 * dwarf2out.c (output_call_frame_info): Fix length argument
749 (output_die, output_pubnames, output_line_info): Likewise.
751 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
753 * version.c: Bump for snapshot.
755 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
756 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
757 flag_debug_asm is on.
758 (output_die, output_pubnames, output_line_info): Likewise.
760 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
761 and static_chain_rtx into the potential base values array if
764 * alias.c (new_reg_base_value): New array of potential base values.
765 (unique_id): Now file scoped static.
766 (find_base_value, case REG): Return the value in reg_base_value
767 array for the REG if it exists. Else, return the value from
768 new_reg_base_value if copying args and REG is a hard register.
769 (find_base_value, case PLUS): If either operand of the PLUS is
770 a REG, try to get its base value. Handle base + index and
772 (record_set): Use new_reg_base_value instead of reg_base_value.
773 (init_alias_analysis): Allocate space for new_reg_base_value too.
774 Rework code to iterate over the insns propagating base value
775 information until nothing changes.
777 * global.c (global_alloc): Free the conflict matrix after
780 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
782 * libgcc2.c (L_eh): Define __eh_pc.
783 Replace __eh_type with generic pointer __eh_info.
785 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
787 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
788 use copy_to_reg if address is not a general_operand.
790 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
792 * profile.c (output_func_start_profiler): Clear flag_inline_functions
793 for the duration of the call to rest_of_compilation.
795 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
797 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
799 (sparc*-*-*): Recognize --with-cpu=v9.
800 * sparc/elf.h: New file.
801 * sparc/t-elf: New file.
803 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
805 * mn10300.c (const_8bit_operand): New function.
806 (mask_ok_for_mem_btst): New funtion.
807 * mn10300.md (btst patterns with mem operands): Use new functions
808 to avoid creating btst instructions with invalid operands.
810 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
812 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
813 are running on PowerPC Linux.
815 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
817 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
818 if not previously defined.
820 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
822 * function.c (assign_parms): Correct mode of stack_parm if
823 entry_parm underwent a mode conversion.
825 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
827 * global.c (global_alloc): Use xmalloc instead of alloca for
828 CONFLICTS, since max_allocno * allocno_row_words alone can be more
829 than 2.5Mb sometimes.
831 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
833 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
834 DEST for the spill, adjust mode of SRC to compensate.
836 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
838 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
839 since any_memory_operand() allows pseudos during reload.
840 (reload_inhi, reload_outqi, reload_outhi): Likewise.
842 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
844 * m68k.md (btst patterns): Add 5200 support.
846 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
848 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
849 optimizations, look inside dividend to determine if the expression
850 can be simplified by using EXACT_DIV_EXPR.
852 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
855 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
857 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
859 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
861 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
863 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
866 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
868 * alpha.md (movqi, movhi): Make sure new insns created during reload
869 won't need reloading themselves.
870 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
872 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
874 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
876 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
878 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
879 Patch from Klaus Kaempf <kkaempf@progis.de>.
881 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
883 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
884 to an element in a constant string.
886 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
888 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
889 bit PC-relative offset. The exception range table pointer is now in
891 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
892 (count_fdes, add_fdes, get_cie): Adjust.
893 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
896 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
898 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
900 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
901 like stack_pointer_rtx.
903 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
905 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
906 targets using "$@" to provide support for similar but not identical
907 targets without having to duplicate code.
908 (bootstrap4): New goal.
910 * Makefile.in (compare, compare-lean, compare3): Combined to one
911 ruleset determining actions to be performed via $@.
912 (compare4, compare4-lean): New targets.
913 (gnucompare, gnucompare3): Combined to one ruleset determining
914 actions to be performed via $@. Also, note which files failed
915 the comparison test in .bad_compare.
916 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
918 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
920 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
921 if the dividend is a multiple of the divisor.
923 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
925 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
927 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
930 * alias.c (true_dependence): Fix typo.
932 * toplev.c (flag_rerun_loop_opt): New variable.
933 (f_options): Handle -frerun-loop-opt.
934 (rest_of_compilation): If -frerun-loop-opt, then run the loop
936 (main): Enable -frerun-loop-opt by default for -O2 or greater.
938 * loop.c (simplify_giv_expr): Adding two invariants results
941 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
943 * expr.c (get_inner_reference): Remove the array bias after
944 converting the index to Pmode.
946 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
948 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
949 (TARGET_MULT_BUG): Define.
950 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
951 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
953 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
955 * mn10200.c (indirect_memory_operand): Delete unused function.
956 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
957 * mn10200.md (bset, bclr insns): Handle output in a reg too.
959 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
961 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
962 the callee's ldgp, we must do it ourselves, and we use the jsr tag
963 for more than scheduling.
965 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
967 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
969 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
971 * mn10300.c (symbolic_operand, legitimize_address): New functions.
972 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
973 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
975 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
977 * version.c: Bump for snapshot.
979 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
981 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
984 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
986 * toplev.c (flag_exceptions): Default value is 2.
987 (compile_file): If flag_exceptions still has the value 2, then
990 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
991 (rs6000_save_machine_status): Save pic_offset_table_rtx.
992 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
994 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
997 * rs6000.md (*movsi_got_internal_mem): New pattern.
998 (*movsi_got_internal_mem splitter): New define_split.
1000 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
1002 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
1004 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
1006 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
1007 only need to save LR.
1009 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
1011 * mn10300.md (movqi, movhi): Avoid using address registers as
1012 destinations unless absolutely necessary.
1014 * mn10200.c (expand_prologue): Fix typo.
1016 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
1018 * mn10200.md (neghi2): Provide an alternative which works if
1019 the input and output register are the same.
1021 * mn10300.c (print_operand): Handle 'S'.
1022 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
1023 shift amount in last alternative
1025 * mn10300.c (expand_epilogue): Rework to handle register restores
1026 in "ret" and "retf" instructions correctly.
1028 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
1030 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
1031 extzv for memory operands.
1033 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
1034 redundant conditional moves to single operand.
1036 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
1038 * v850.h: Move define of __v850__ from CPP_PREDEFINES
1041 * xm-v850.h: Use __v850 rather than __v850__ to
1044 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
1046 * mips/mips.c (compute_frame_size): Not a leaf function if
1049 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
1051 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
1053 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
1055 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
1056 (DEFAULT_ARCH32_P): New macro.
1057 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
1058 (enum cmodel): Declare.
1059 (sparc_cmodel_string,sparc_cmodel): Declare.
1060 (SPARC_DEFAULT_CMODEL): Provide default.
1061 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
1062 (TARGET_FULLANY): Deleted.
1063 (TARGET_CM_MEDMID): New macro.
1064 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
1065 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
1066 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
1067 (CPP_SPEC): Rewrite.
1068 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
1069 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
1070 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
1071 (ASM_SPEC): Add %(asm_arch).
1072 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
1073 Rename asm_default to asm_cpu_default.
1074 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
1075 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
1076 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
1077 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
1078 (MASK_INT64,MASK_LONG64): Delete.
1079 (MASK_ARCH64): Renamed to MASK_64BIT.
1080 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
1081 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
1082 (TARGET_SWITCHES): Always provide 64 bit options.
1083 (ARCH64_SWITCHES): Delete.
1084 (TARGET_OPTIONS): New option -mcmodel=.
1085 (INT_TYPE_SIZE): Always 32.
1086 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
1087 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
1088 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
1089 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
1090 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
1092 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1093 * sparc/linux.h: Likewise.
1094 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
1095 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
1096 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
1097 (SPARC_DEFAULT_CMODEL): Define.
1098 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
1099 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1100 (LONG_DOUBLE_TYPE_SIZE): Define.
1101 (ASM_SPEC): Add %(asm_arch).
1102 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
1103 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1104 (TARGET_CPU_DEFAULT): Add ultrasparc case.
1105 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
1106 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
1107 (SPARC_DEFAULT_CMODEL): Define.
1108 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
1109 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
1110 MASK_LONG64, MASK_MEDANY.
1111 (SPARC_DEFAULT_CMODEL): Define.
1112 (CPP_PREDEFINES): Delete.
1113 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1114 (ASM_SPEC): Add %(asm_arch).
1115 (LONG_DOUBLE_TYPE_SIZE): Define.
1116 (DWARF2_DEBUGGING_INFO): Define.
1117 * sparc/splet.h (CPP_SPEC): Delete.
1118 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
1119 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
1120 (BLOCK_PROFILER): Likewise.
1121 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
1122 (sparc_override_options): Handle code model selection.
1123 (sparc_init_expanders): Renamed from sparc64_init_expanders.
1124 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
1125 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
1126 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
1127 (sethi_di_fullany): Delete.
1129 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
1130 Jeff Law <law@cygnus.com>
1131 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1133 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
1134 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
1135 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
1136 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
1137 * alpha/alpha.md (arg_home): Likewise.
1139 * alpha/alpha.c (vmskrunch): Delete
1140 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
1141 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
1142 truncate to 64 characters.
1144 * make-l2.com: Support openVMS/Alpha.
1146 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
1148 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1150 * longlong.h (count_leading_zeros): Add missing casts to USItype.
1152 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
1154 * i386/bsd386.h (ASM_COMMENT_START): Define.
1156 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
1158 * tree.c (restore_tree_status): Also free up temporary storage
1159 when we finish a toplevel function.
1160 (dump_tree_statistics): Print stats for backend obstacks.
1162 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
1164 * expr.c (use_group_regs): Don't call use_reg for MEMs.
1166 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
1168 * libgcc2.c (__throw): Don't copy the return address.
1169 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
1171 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
1172 * toplev.c (main): Initialize exceptions_via_longjmp.
1174 * tree.c: Add extra_inline_obstacks.
1175 (save_tree_status): Use it.
1176 (restore_tree_status): If this is a toplevel inline obstack and we
1177 didn't want to save anything on it, recycle it.
1178 (print_inline_obstack_statistics): New fn.
1179 * function.c (pop_function_context_from): Pass context to
1180 restore_tree_status.
1181 * obstack.h (obstack_empty_p): New macro.
1183 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
1185 * i386/freebsd.h (ASM_COMMENT_START): Fix.
1187 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
1189 * v850.c (ep_memory_offset): New function.
1190 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
1192 * v850.h (CONST_OK_FOR_*): Add and correct comments.
1193 (CONSTANT_ADDRESS_P): Add comment.
1194 (EXTRA_CONSTRAINT): Define 'U'.
1195 * v850.md: Add comments on bit field instructions.
1196 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
1197 (lshrsi3): Use N not J constraint.
1199 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
1201 * v850.c (reg_or_0_operand): Call register_operand.
1202 (reg_or_int5_operand): Likewise.
1203 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
1204 (TARGET_SWITCHES): Add "big-switch".
1205 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
1206 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
1207 (CASE_DROPS_THROUGH): Comment out.
1208 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
1209 * v850.md (cmpsi): Delete compare mode.
1210 (casesi): New pattern.
1212 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
1213 * v850.md (ashlsi3): Use SImode not QImode for shift count.
1214 (lshrsi3): Likewise.
1216 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
1217 unreachable switch statement after 'b' support. Remove "b" from
1218 strings for 'b' support.
1219 * v850.md (branch_normal, branch_invert): Change %b to b%b.
1221 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
1223 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
1224 empty line if @inhibit_libc@ is empty.
1226 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
1228 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
1229 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
1230 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
1231 (DWARF2_UNWIND_INFO): Let this track object file format.
1232 (EXTRA_SECTIONS): Add in_eh.
1233 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
1234 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
1236 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
1238 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
1239 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
1241 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
1242 (output_double_int): Output DI mode values correctly when
1243 HOST_BITS_PER_WIDE_INT is 64.
1244 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
1245 fmovd so it works if a quad float ends up in one of the upper 32
1247 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
1248 necessary for PIC support on sparc64.
1250 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
1252 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
1253 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
1254 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
1255 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
1256 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
1257 (SPARC_FP_ARG_FIRST): New macro.
1258 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
1259 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
1260 (NPARM_REGS): There are 32 fp argument registers now.
1261 (FUNCTION_ARG_REGNO_P): Likewise.
1262 (FIRST_PARM_OFFSET): Update to new v9 abi.
1263 (REG_PARM_STACK_SPACE): Define for arch64.
1264 (enum sparc_arg_class): Delete.
1265 (sparc_arg_count,sparc_n_named_args): Delete.
1266 (struct sparc_args): Redefine and use for arch32 as well as arch64.
1267 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
1268 (FUNCTION_ARG_ADVANCE): Rewrite.
1269 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
1270 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
1271 (FUNCTION_ARG_CALLEE_COPIES): Delete.
1272 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
1273 (STRICT_ARGUMENT_NAMING): Define.
1274 (doublemove_string): Declare.
1275 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
1276 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
1277 (doublemove_string): New function.
1278 (output_move_quad): Clean up some of the arch64 support.
1279 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
1280 Don't add 8 bytes of reserved space if arch64.
1281 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
1282 (init_cumulative_args): New function.
1283 (function_arg_slotno): New static function.
1284 (function_arg,function_arg_partial_nregs): New functions.
1285 (function_arg_{pass_by_reference,advance}): New functions.
1286 (function_arg_padding): New function.
1287 * ginclude/va-sparc.h: Rewrite v9 support.
1289 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1291 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
1292 for hard regs to determine base and index registers.
1294 * reload.c (debug_reload_to_stream): New function. Specify stream
1295 into which to write debug info.
1296 (debug_reload): Modify to call debug_reload_to_stream with stderr.
1298 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
1300 * combine.c (can_combine_p): Don't combine with an asm whose
1301 output is a hard register.
1303 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
1305 * c-decl.c (start_struct): Ensure that structs with forward
1306 declarations are in fact packed when -fpack-struct is given.
1308 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
1309 we are packing a structure. This allows a structure with only
1310 bytes to be aligned on a byte boundary and have no padding on a
1313 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1315 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
1317 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
1319 * alpha.c (alpha_return_addr_rtx): New variable.
1320 (alpha_save_machine_status): New; save it.
1321 (alpha_restore_machine_status): New; restore it.
1322 (alpha_init_expanders): New; clear it.
1323 (alpha_return_addr): New; set it.
1324 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
1325 is overly conservative, so search the insns explicitly.
1326 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
1327 (alpha_sa_size [VMS && !VMS]): Likewise.
1328 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
1329 (INIT_EXPANDERS): New definition.
1331 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
1332 (output_prolog [!VMS]): Use them.
1334 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
1335 (alpha_does_function_need_gp): ... a new function. Refine the
1336 CALL_INSN test to just TYPE_JSR.
1337 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
1339 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
1341 * version.c: Bump for snapshot.
1343 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1345 * pa.c (move_operand): Respect -mdisable-indexing.
1346 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
1348 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
1350 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
1352 (umulsidi3,umulsi3_highpart): Ditto.
1353 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
1355 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
1357 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
1358 (alpha_handle_trap_shadows): ... a new function. Handle the entire
1359 function in one go. Emit RTL for trapb, instead of printf directly.
1360 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
1361 (trap_pending): Kill global variable.
1362 (output_epilog): Don't call final_prescan_insn.
1363 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
1364 * alpha.h (FINAL_PRESCAN_INSN): Remove.
1365 (MACHINE_DEPENENT_REORG): Define.
1366 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
1369 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
1371 Tune Haifa scheduler for Alpha:
1372 * alpha.h (ISSUE_RATE): Define.
1373 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
1374 EV4 adjustments to EV5.
1375 * alpha.md: Remove all scaling from function unit delays. Rework
1376 EV5 function units to match the CPU.
1377 (umuldi3_highpart): EV5 added the IMULH insn class.
1379 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
1381 * pa.c (following_call): Fail if the CALL_INSN is an indirect
1384 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
1386 * cplus-dem.c (demangle_signature): Don't look for return types on
1387 constructors. Handle member template constructors.
1389 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
1391 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
1392 * tree.h: Declare them.
1394 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
1396 * configure.in: Handle --with-newlib.
1397 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
1399 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
1401 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
1403 * config/ptx4.h: Fix typo.
1405 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
1407 * version.c: Bump for snapshot.
1409 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
1411 * aclocal.m4: Substitute INSTALL.
1412 * configure: Re-built.
1414 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
1416 * integrate.c (save_for_inline_copying): Avoid undefined pointer
1418 (expand_inline_function): Likewise.
1420 * dwarf2out.c (output_call_frame_info): Reinstate last change
1421 using flag_debug_asm check instead of flag_verbose_asm.
1423 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
1425 * dwarf2out.c (output_call_frame_info): Remove last change.
1427 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1429 * frame.c (__frame_state_for): Execute the FDE insns until the
1430 current pc value is strictly bigger than the target pc value.
1432 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
1434 * regclass.c (init_reg_modes): If we can't find a mode for the
1435 register, use the previous one.
1437 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
1439 * haifa-sched.c (print_block_visualization): Call fprintf directly,
1440 don't sprintf through an alloca'ed buffer.
1442 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
1444 * reload.c (decompose): Always initialize val.base.
1446 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1448 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
1449 instead of aborting.
1450 * dwarf2out.c (output_call_frame_info): Call app_enable and
1451 app_disable to let GNU as accept the generated comments.
1453 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
1455 * tree.h (get_file_function_name): Add declaration.
1456 * dwarf2out.c (output_call_frame_info): No need to cast
1457 get_file_function_name call anymore.
1458 * profile.c (toplevel): Remove get_file_function_name
1460 * c-lang.c (finish_file): Ditto.
1462 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
1464 * Makefile.in (program_transform_name): Let autoconf substitute
1467 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
1469 * haifa-sched.c (schedule_block): If the first real insn in a
1470 block has any special notes attached to it, remove them.
1472 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
1474 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
1476 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1478 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
1480 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
1482 * Makefile.in (check-g77): New test target.
1483 (CHECK-TARGETS): Add check-g77.
1485 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1487 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
1489 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
1491 * flow.c (print_rtl_with_bb): Cast alloca return value for
1494 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
1496 * i386.h (RETURN_ADDR_RTX): New definition that works for
1497 __builtin_return_address(0) and -fomit-frame-pointer.
1499 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
1501 Bring over from FSF.
1502 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
1504 * mips.c (function_arg): Handle passing a struct
1505 containing a double in a DFmode register without the PARALLEL.
1507 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
1509 * pexecute.c: Use spawn if __CYGWIN32__.
1511 * pexecute.c: Include "config.h" first, as per autoconf manual
1512 (from Paul Eggert <eggert@twinsun.com>).
1514 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1516 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
1517 optimisation for f/expr.o and f/stb.o.
1519 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
1521 * cse.c (this_insn_cc0_mode): Initialize.
1523 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
1525 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
1527 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
1529 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
1531 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
1532 that pair will dual-issue on the 21164 and plus+beq won't.
1533 (bne): Likewise for cmpeq+beq.
1535 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
1537 * except.c (find_exception_handler_labels): Correct argument to free.
1539 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
1541 * except.c (find_exception_handler_labels): Free LABELS when we're
1544 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
1546 * version.c: Bump for snapshot.
1548 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1550 * flow.c (find_basic_blocks): Mark calls as potentially jumping
1553 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
1555 * configure.in: Substitute for "install" too.
1556 * configure: Rebuilt.
1558 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
1560 * Makefile.in (bootstrap-lean, compare-lean): New targets.
1562 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
1564 * alias.c (base_alias_check): Two symbols can conflict if they
1565 are accessed via AND.
1566 (memrefs_conflict_p): Likewise.
1568 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
1569 after flushing argument registers to the stack.
1571 * Makefile.in (mostlyclean): Remove .regmove files.
1573 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1575 * libgcc2.c (__throw): Fix thinko.
1577 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
1579 * cplus-dem.c (demangle_template): Add new parameter. Handle new
1580 template-function mangling.
1581 (consume_count_with_underscores): New function.
1582 (demangle_signature): Handle new name-mangling scheme.
1584 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1586 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
1589 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
1591 * frame.c: Remove last change.
1592 * dwarf2.h: Remove last change.
1593 * tree.h: Add declarations of DWARF2 unwind info support
1596 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1598 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
1599 * tree.h (built_in_function): Likewise.
1600 * expr.c (expand_builtin): Likewise.
1601 * except.h: Likewise.
1602 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
1603 * libgcc2.c (copy_reg): New fn.
1606 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
1608 * c-typeck.c (build_binary_op): Warn about comparing signed vs
1609 unsigned if -W is specified and -Wno-sign-compare is not.
1610 * c-decl.c (warn_sign_compare): Initialize to -1.
1611 (c_decode_option): -Wall no longer implies -Wsign-compare.
1613 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1615 * frame.c: Include gansidecl.h for PROTO.
1616 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
1617 defined. Don't declare dwarf2out_cfi_label here.
1618 * dwarf2.h: Add declarations of DWARF2 unwind info support
1620 * m68k.c: Include dwarf2.h.
1621 (output_function_prologue): Add dwarf2 support.
1622 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
1623 (INCOMING_FRAME_SP_OFFSET): Likewise.
1625 * integrate.c (expand_inline_function): Make sure there is at
1626 least one insn that can be used as an insertion point.
1628 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1630 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
1632 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
1634 * version.c: Bump for snapshot.
1636 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
1638 Bring over from FSF.
1640 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
1642 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
1643 (get_pc_via_rdpc): Renamed from get_pc_sp64.
1644 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
1646 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
1648 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
1649 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
1651 (sparc_align_{loops,jumps,funcs}_string): Declare.
1652 (sparc_align_{loops,jumps,funcs}): Declare.
1653 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
1654 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
1655 (STACK_BIAS): Define.
1656 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
1658 (SPARC_SETHI_P): New macro.
1659 (CONST_OK_FOR_LETTER_P): Use it.
1660 (ASM_OUTPUT_ALIGN_CODE): Define.
1661 (ASM_OUTPUT_LOOP_ALIGN): Define.
1662 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
1663 (sparc_align_{loops,jumps,funcs}): New globals.
1664 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
1666 (move_operand): Use SPARC_SETHI_P.
1667 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
1669 (arith11_double_operand): Likewise.
1670 (arith10_double_operand): Likewise.
1671 (finalize_pic): Finish sparc64 support.
1672 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
1673 64 bit constants if able.
1674 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
1675 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
1677 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
1678 (get_pc_sp32): Use for sparc64 as well.
1679 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
1680 (sethi_di_sp64_const): Likewise.
1681 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
1682 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
1683 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
1685 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
1687 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
1688 * sparc/linux.h (COMMENT_BEGIN): Likewise.
1689 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
1691 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
1693 Add sparc64 linux support.
1694 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
1695 to xm_file list on 32-bit sparc-linux.
1696 * sparc/xm-sp64.h: New file.
1697 * sparc/linux64.h: New file.
1698 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
1699 Don't include xm-sparc.h.
1700 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
1701 * glimits.h (LONG_MAX): Handle sparc64.
1703 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
1705 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
1706 * sparc.h (ASM_COMMENT_START): Define.
1707 * sparc.c (output_function_prologue): Use it.
1708 (sparc_flat_output_function_{epi,pro}logue): Likewise.
1710 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
1712 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
1713 use sparc.h's copies.
1714 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
1717 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1719 * sparc.c (dwarf2out_cfi_label): Add declaration.
1720 (save_regs, output_function_prologue): Remove cast for it.
1721 (sparc_flat_{save_restore,output_function_prologue): Likewise.
1722 ({save,restore}_regs): No longer inline.
1724 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1726 * fold-const.c (make_range): Correctly handle cases of converting
1727 from unsigned to signed type.
1729 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1731 * fold-const.c (merge_ranges): Make sure that if one range is subset
1732 of another, it will always be the second range. Correct (+,-) case to
1735 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1737 * final.c (final_end_function): Also do dwarf2 thing if
1738 DWARF2_DEBUGGING_INFO.
1739 (final_start_function): Likewise.
1741 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
1743 * expmed.c (expand_divmod): If compute_mode is not the same as
1744 mode, handle the case where convert_modes() causes op1 to no
1745 longer be a CONST_INT.
1747 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
1748 note holding get_jump_flags() calculation to all JUMP_INSNs.
1749 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
1750 * rtl.c (reg_note_name): Add new note types.
1752 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
1754 * rtlanal.c (computed_jump_p): Fix typo in last change.
1756 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1758 * loop.c (indirect_jump_in_function_p): Return 0
1761 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
1763 * rs6000/xm-rs6000.h: Fix thinko in last change.
1764 * rs6000/xm-sysv4.h: Likewise.
1766 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
1768 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
1770 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
1772 * reg-stack.c (find_blocks): Fix thinko in last change.
1774 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1776 * m68k.c (output_function_prologue): Add dwarf2 support.
1778 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
1779 INCOMING_FRAME_SP_OFFSET): New definitions.
1781 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
1783 * combine.c (try_combine): Use NULL_RTX instead of '0' where
1784 appropriate in calls to gen_rtx().
1785 * cse.c (cse_main): Likewise.
1786 * emit-rtl.c (gen_label_rtx): Likewise.
1787 * expr.c (init_expr_once): Likewise.
1788 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
1789 sched_analyze, init_rgn_data_dependences,
1790 compute_block_backward_dependences): Likewise.
1791 * sched.c (schedule_insns): Likewise.
1792 * varasm.c (immed_double_const): Likewise.
1794 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
1795 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
1797 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
1799 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
1800 (MULTILIB_DEFAULTS): Define.
1801 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
1802 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
1803 (LIBGCC_SPEC): Likewise.
1804 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
1805 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
1806 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
1807 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
1808 (EXTRA_PARTS, TAROUTOPTS): Delete.
1809 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
1810 (MULTILIB_OPTIONS): Define.
1811 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
1812 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
1814 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
1816 * version.c: Bump for snapshot.
1818 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
1820 * loop.c (loop_number): Delete function. Change all references
1821 to use uid_loop_num array.
1822 * loop.h (loop_number): Delete declaration.
1823 * unroll.c (unroll_loop): Change "loop_number" references to
1824 use uid_loop_num instead.
1826 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
1828 (loop_unroll_iter): Remove unused variable and all references.
1829 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
1830 (insert_bct): Fix minor formatting problems.
1831 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
1832 (loop_unroll_iter): Removed unused decl.
1833 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
1834 Always record the unrolling factor.
1836 * cse.c (simplify_relational_operation): Set h0u just like h0s.
1837 Similarly for h1u and h1s.
1839 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
1840 (find_basic_blocks): Use computed_jump_p to determine if a
1841 particular JUMP_INSN is a computed jump.
1842 * reg-stack.c (find_blocks): Use computed_jump_p to determine
1843 if a particular JUMP_INSN is a computed jump.
1844 * rtlanal.c (jmp_uses_reg_or_mem): New function.
1845 (computed_jump_p): Likewise.
1846 * rtl.h (computed_jump_p): Declare.
1847 * genattrtab.c (pc_rtx): Define and initialize.
1848 * loop.c (loop_optimize): Always determine if the current
1849 function has a computed jump.
1850 (indirect_jump_in_function_p): Use computed_jump_p to determine
1851 if a particular JUMP_INSN is a computed jump.
1853 * loop.c (fix_bct_param): Delete unused function.
1854 (check_bct_param): Likewise.
1856 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1858 * frame.c (__deregister_frame): Check properly for initialized object.
1860 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1862 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
1864 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1866 * jump.c (thread_jumps): check can_reverse_comparison_p before
1867 threading a reversed-condition jump.
1869 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
1870 * haifa-sched.c (update_flow_info): Likewise.
1872 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
1874 * Makefile.in (BOOT_CFLAGS): Use -O2.
1876 * configure.in (strtoul, bsearch): Have autoconf check for these
1878 * configure, config.in: Rebuilt.
1880 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
1881 * mips/mips.h (alloca): Likewise.
1882 * rs6000/xm-rs6000.h (alloca): Likewise.
1883 * rs6000/xm-sysv4.h: Likewise.
1885 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
1887 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
1888 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
1889 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
1891 * except.c (end_eh_unwinder): Subtract 1 from return address.
1892 * libgcc2.c (__throw): Likewise.
1893 (find_exception_handler): Don't change PC here. Compare end with >.
1895 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
1897 * v850.c (compute_register_save_size): Correct register
1899 * v850.md (save_interrupt, return_interrupt): Correct
1901 * v850/lib1funcs.asm (save_interrupt): Correct register number.
1902 (return_interrupt): Use stack pointer, not element pointer.
1904 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
1906 * configure.in, configure: Make sure to create the stage* and include
1907 symbolic links in each subdirectory.
1909 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
1911 * pa.md (reload_peepholes): Don't allow addresses with side
1912 effects for the memory operand.
1914 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1916 * libgcc2.c (find_exception_handler): Subtract one from our PC when
1917 looking for a handler, to avoid hitting the beginning of the next
1920 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
1922 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
1924 * mips/abi64.h (LONG_MAX_SPEC): Define.
1925 * mips.h (LONG_MAX_SPEC): Define.
1926 (CPP_SPEC): Include long_max_spec.
1927 (EXTRA_SPECS): Include long_max_spec.
1929 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
1931 * v850.c (construct_save_jarl): Fix thinko in last change.
1933 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
1935 * version.c: Bump for snapshot.
1937 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1939 * libgcc2.c (find_exception_handler): Not found is -1.
1941 * integrate.c (expand_inline_function): Move expand_start_bindings
1942 after expanding the arguments.
1944 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
1946 * expr.c (expand_expr): Remove previous incorrect change.
1947 If target and slot has no DECL_RTL, then call mark_addressable
1948 again for the slot after we give it RTL.
1950 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
1952 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1953 again for the slot after we give it RTL.
1955 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
1957 * v850.c (register_is_ok_for_epilogue,
1958 pattern_is_ok_for_epilogue, construct_restore_jr,
1959 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
1961 * v850.h (pattern_is_ok_for_prologue,
1962 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
1965 * v850.md: Replace prologue and epilogue patterns with a
1966 match_parallel pattern.
1968 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
1970 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
1971 * configure.in: Use EGCS_PROG_INSTALL.
1973 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
1975 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
1976 extern inline function.
1978 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
1980 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
1981 (concat_loc_descriptor): New function.
1982 (loc_descriptor): Call it.
1983 (add_AT_location_description): Also elide the descriptor if both
1984 halves of a CONCAT are pseudos.
1985 (add_location_or_const_value_attribute): Recognize CONCAT too.
1987 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
1989 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
1991 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
1992 out-or-range reg_offset.
1993 (output_epilog): Likewise.
1995 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
1997 * cse.c (simplify_relational_operation): If MODE specifies a
1998 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
1999 is derived from the sign bit of the low word.
2001 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2003 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
2005 * dwarf2.h: Add DW_CFA_GNU_args_size.
2006 * frame.c (execute_cfa_insn): Likewise.
2007 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
2008 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
2009 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
2010 insn, hand it off to dwarf2out_stack_adjust.
2011 (dwarf2out_begin_prologue): Initialize args_size.
2012 * frame.h (struct frame_state): Add args_size.
2013 * libgcc2.c (__throw): Use args_size.
2014 * final.c (final_scan_insn): If we push args, hand off all insns
2015 to dwarf2out_frame_debug.
2016 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
2018 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
2019 Handle epilogue restore of SP from FP.
2020 * emit-rtl.c (gen_sequence): Still generate a sequence if the
2021 lone insn has RTX_FRAME_RELATED_P set.
2023 * frame.c (extract_cie_info): Handle "e" augmentation.
2024 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
2025 absence of UNALIGNED_*_ASM_OP.
2026 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
2027 (output_call_frame_info): Use "e" instead of "z" for augmentation.
2028 Don't emit augmentation fields length.
2029 (dwarf2out_do_frame): Move outside of #ifdefs.
2030 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
2033 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
2034 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
2035 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
2036 * sparc/sun4gas.h: New file.
2037 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
2039 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
2040 __register_frame_table and __deregister_frame.
2042 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
2044 * except.c (find_exception_handler_labels): Use xmalloc instead of
2045 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
2048 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
2050 * Makefile.in: Various changes to build info files
2051 in the object tree rather than the source tree.
2053 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
2055 * fixinc.math: New file to fix math.h on some systems.
2056 * configure.in (freebsd, netbsd): Use fixinc.math on these
2058 * configure: Rebuilt.
2060 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
2062 * regmove.c (regmove_optimize): If we end up moving the
2063 original insn due to lifetime overlaps, make sure to move
2066 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
2068 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
2070 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
2072 * haifa-sched.c (add_branch_dependences): Make each insn in
2073 a SCHED_GROUP_P block explicitly depend on the previous insn.
2075 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2077 * except.h: Prototype dwarf2 hooks.
2080 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
2082 * configure.in (native_prefix): Delete.
2083 (mips-dec-netbsd): Don't set prefix.
2084 (*linux*): Don't set prefix.
2086 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
2088 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
2089 defined. If not defined, include <sys/varargs.h> if
2090 HAVE_SYS_VARARGS_H is defined.
2091 * configure.in: Test for varargs.h and sys/varargs.h.
2092 * configure: Regenerate with autoconf.
2093 * config.in: Regenerate with autoheader.
2095 * cpplib.c (quote_string): Cast first arg of sprintf call
2096 from "unsigned char *" to "char *".
2097 (output_line_command): Ditto.
2098 (macroexpand): Ditto.
2099 (do_line): Cast atoi arg from "unsigned char *" to "char *".
2101 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
2103 * version.c: Bump for snapshot.
2105 * Makefile.in (compare): Exit with nonzero status if there
2106 are comparison failures. Note which files failed the
2107 comparison test in .bad_compare.
2109 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2111 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
2113 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
2115 * Makefile.in (LN, LN_S): New macros, use where appropriate.
2116 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
2117 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
2118 * configure: Regenerated.
2120 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
2122 * loop.c (strength_reduce): Fix typo.
2124 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
2126 * m88k/m88k.c (struct option): Rename to struct options.
2127 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
2128 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
2129 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
2130 __DOLPHIN__ or sysV88.
2132 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
2134 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
2137 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
2139 * config.sub: Accept 'amigados' for backward compatability.
2141 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2143 * Makefile.in (testsuite/site.exp): New target.
2144 (check-gcc, check-g++): Depend on testsuite/site.exp.
2145 Don't stop for failure.
2147 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
2149 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
2150 if DWARF2_UNWIND_INFO.
2152 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
2154 Add support for exception handling using DWARF 2 frame unwind info.
2155 Currently works on SPARC and MIPS, and almost on x86.
2157 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
2158 next_stack_level, in_reg_window): Helper fns.
2159 (__throw): Implement for DWARF2_UNWIND_INFO.
2161 * expr.c (expand_builtin): Handle builtins used by __throw.
2162 * tree.h (enum built_in_function): Add builtins used by __throw.
2163 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
2164 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
2165 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
2166 (expand_builtin_extract_return_addr): Likewise.
2167 (expand_builtin_frob_return_addr): Likewise.
2168 (expand_builtin_set_return_addr_reg): Likewise.
2169 (expand_builtin_eh_stub): Likewise.
2170 (expand_builtin_set_eh_regs): Likewise.
2171 (eh_regs): Choose two call-clobbered registers for passing back values.
2173 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
2174 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
2175 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
2176 (stmp-multilib): Likewise.
2177 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
2179 * except.c: #include "defaults.h".
2180 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
2181 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
2182 (register_exception_table_p): New fn.
2183 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
2184 (end_eh_unwinder): Likewise.
2186 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
2187 call __register_frame and __deregister_frame as needed.
2188 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
2189 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
2190 EH_FRAME_SECTION_ASM_OP.
2191 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
2192 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
2193 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
2195 * dwarf2out.c (output_call_frame_info): If no support for
2196 EXCEPTION_SECTION, mark the start of the frame info with a
2198 * collect2.c (frame_tables): New list.
2199 (is_ctor_dtor): Recognise frame entries.
2200 (scan_prog_file): Likewise.
2201 (main): Pass -fno-exceptions to sub-compile. Also do collection
2202 if there are any frame entries.
2203 (write_c_file_stat): Call __register_frame_table and
2204 __deregister_frame as needed.
2205 (write_c_file_glob): Likewise.
2207 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
2208 Also require unaligned reloc support.
2209 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2210 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
2211 * sparc/sysv4.h: Not here.
2213 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
2214 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
2215 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
2217 * libgcc2.c (L_eh): Reorganize, moving code shared by different
2218 EH implementations to the top.
2219 (find_exception_handler): Split out. Start from 0. Compare against
2221 (__find_first_exception_table_match): Use it.
2222 * except.c (output_exception_table): Don't do anything if there's
2223 no table. Don't output a first entry of zeroes.
2224 (eh_outer_context): Adjust properly.
2225 (add_eh_table_entry): Use xrealloc.
2226 * toplev.c (compile_file): Just call output_exception_table.
2228 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
2230 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
2232 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
2234 * except.c (eh_outer_context): Do masking using expand_and.
2236 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
2238 Add port done awhile ago for the ARC cpu.
2239 * arc/arc.h: New file.
2240 * arc/arc.c: New file.
2241 * arc/arc.md: New file.
2242 * arc/initfini.c: New file.
2243 * arc/lib1funcs.asm: New file.
2244 * arc/t-arc: New file.
2245 * arc/xm-arc.h: New file.
2246 * ginclude/va-arc.h: New file.
2247 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
2248 * ginclude/varargs.h: Likewise.
2249 * Makefile.in (USER_H): Add va-arc.h.
2250 * configure.in (arc-*-elf*): Recognize.
2251 * longlong.h: Add ARC support.
2253 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
2255 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
2256 when clearing non-BLKmode data.
2258 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
2260 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
2261 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
2263 * xm-m88k.h (USG): Only define if it hasn't already been defined.
2265 * Makefile.in (risky-stage1): Delete gratutious whitespace.
2267 * Makefile.in (clean): Delete libgcc1-test.
2269 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
2271 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
2273 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
2276 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2278 * dwarf2out.c (output_call_frame_info): Call named_section.
2280 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
2282 * haifa-sched.c (print_value): Fix last change.
2284 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
2286 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
2289 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
2291 * mips.c (function_prologue): Set up the CFA when ABI_32.
2293 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
2294 for dwarf2 unwind info.
2295 (output_function_prologue, sparc_flat_output_function_prologue): Same.
2297 * final.c (final_end_function): Check dwarf2out_do_frame instead
2298 of DWARF2_DEBUG for dwarf2 unwind info.
2299 (final_scan_insn): Likewise.
2300 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
2303 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
2306 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
2308 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
2310 * v850.h (ASM_SPEC): Pass on target processor.
2311 (CPP_PREDEFINES): Only define if not already specified.
2312 (TARGET_VERSION): Only define if not already specified.
2313 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
2315 (EXTRA_SWITCHES): Extra entries in the switches array.
2316 (TARGET_DEFAULT): Set default target processor.
2318 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
2320 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
2321 cases, add %# and %/, and add : to make them into extended asms.
2323 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
2325 * alias.c (init_alias_analysis): Clean up incompatible pointer
2326 type warning in bzero.
2327 * regmove.c (regmove_optimize): Ditto.
2328 * haifa-sched.c (find_rgns): Ditto.
2330 * haifa-sched.c (print_value): Clean up ptr->int cast
2333 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
2335 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
2336 * install.texi (Configurations): Ditto.
2337 * config.sub: Ditto.
2339 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
2341 * Makefile.in (sdbout.o): Depend on insn-config.h.
2343 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
2345 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
2346 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
2348 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
2350 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
2351 prologue insn, only the first elt is significant.
2352 (output_call_frame_info): For exception handling, always use 4-byte
2353 fields as specified by the dwarf2 spec.
2354 Don't skip trivial FDEs.
2356 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
2358 * version.c: Bump for snapshot.
2360 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
2362 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
2363 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
2366 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
2368 * final.c (shorten_branches): During first pass, assume worst
2369 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
2371 * Makefile.in (distclean): Remove various things left around
2372 by running the testsuite.
2374 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
2376 * configure.in (out_file): Emit definition to config.status in order
2377 to have a defined value for configure.lang.
2378 * configure: Re-built.
2380 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
2382 * configure.in: Make symlink to as-new rather than as.new. Similarly
2384 * configure: Rebuilt.
2386 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
2388 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
2390 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
2392 * sparc/sparc.md: Add ultrasparc scheduling support.
2393 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
2395 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2397 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
2398 as initial value for real_label_map.
2399 (copy_for_inline): Likewise.
2401 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2403 * sched.c (update_flow_info) When looking if to set found_split_dest
2404 or found_orig_dest, look at all parts of a PARALLEL.
2405 * haifa-sched.c (update_flow_info): Likewise.
2407 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
2409 * v850: New directory for v850 port.
2410 * v850/lib1funcs.asm: New file.
2411 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
2412 * ginclude/va-v850.h: New file.
2413 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
2414 * configure.in (mn10200-*-*): New target.
2415 * configure: Rebuilt.
2416 * config.sub: Handle v850-elf.
2417 * Makefile.in (USER_H): Add va-mn10200.h.
2418 * invoke.texi: Document v850 stuff.
2420 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
2422 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
2423 has integer TYPE_{MAX,MIN}_VALUE before using them.
2425 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
2426 __HPUX_ASM__ versions.
2428 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
2430 * install.sh: Delete duplicate install script.
2432 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
2434 * reg-stack.c (subst_stack_regs): Pop the stack register for a
2435 computed goto which sets the same stack register.
2437 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
2438 destination are both on the regstack.
2439 (subst_stack_regs_pat): Put the destination at the top of the regstack.
2441 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
2443 * mips.md (nonlocal_goto_receiver): Define.
2445 * profile.c (output_arc_profiler): Check next_insert_after for non
2446 NULL before deferencing it.
2448 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
2450 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
2452 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
2454 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
2456 * toplev.c (rest_of_compilation): For passes starting with
2457 flow_analysis, use print_rtl_with_bb instead of print_rtl.
2459 * print-rtl.c (print_rtl_single): Print a single rtl value to a
2462 * flow.c (print_rtl_with_bb): Print which insns start and end
2463 basic blocks. For the start of a basic block, also print the live
2466 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
2468 * toplev.c (main): Change #elif to #else/#ifdef
2470 * tlink.c: Include ctype.h.
2471 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
2473 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
2475 * bitmap.c: Conditionally include stdlib.h.
2476 (free): Provide a declaration if NEED_DECLARATION_FREE.
2478 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
2480 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
2482 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
2484 * profile.c (output_arc_profiler): Verify next_insert_after is an
2485 INSN before and after skipping a stack pop.
2487 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2489 * final.c (shorten_branches): Don't count the lengths of deleted
2492 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
2494 * version.c: Bump for snapshot.
2496 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
2498 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
2499 two bitmaps ANDed together.
2500 (bitmap_print): Declare.
2502 * bitmap.c (function_obstack): Don't declare any more.
2503 (bitmap_obstack): Obstack for allocating links from.
2504 (bitmap_obstack_init): New static to say whether to initialize
2506 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
2507 (bitmap_release_memory): Free all memory allocated from
2510 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
2511 EXECUTE_IF_AND_IN_BITMAP.
2513 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
2515 * alias.c (true_dependence): Address with AND can alias scalars.
2516 (anti_dependence, output_dependence): Likewise.
2518 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
2520 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
2522 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
2523 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
2524 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
2525 definitions. Use -qrtems instead of -mrtems.
2527 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
2529 * xm-sco5.h (sys_siglist): Define.
2530 (SYS_SIGLIST_DECLARED): Likewise.
2532 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
2534 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
2536 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
2538 * except.c (eh_outer_context): Expand masking operation using
2541 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
2543 * alpha.md (floatdisf2-1): New pattern.
2545 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
2547 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
2548 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
2549 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
2550 * gcc.texi: Note that if you define sys_siglist that you should
2551 also define SYS_SIGLIST_DECLARED.
2553 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
2554 are relative to the next instruction, not the current instruction.
2556 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
2558 * local-alloc.c (contains_replace_regs): New function.
2559 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
2560 verify that there is no existing REG_EQUIV note, and add a call to
2561 contains_place_regs.
2563 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2565 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
2566 (STARTFILE_SPEC): Always use crtbegin.o%s
2567 (ENDFILE_SPEC): Always use crtend.o%s.
2569 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
2571 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
2573 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
2574 SFmode for 64 bit hosts.
2576 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
2578 * fixincludes: Permits spaces between # and define. Discard C++
2579 comments in sys/pci.h on HP/UX 10.20.
2581 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
2583 * version.c: Bump for snapshot.
2585 * pa.c (restore_unscaled_index_insn_codes): New function.
2586 (record_unscaled_index_insn_codes): Likewise.
2587 (output_function_prologue): Call restore_unscaled_index_insn_codes.
2588 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
2589 (pa_reorg): Call record_unscaled_index_insn_codes.
2591 * haifa-sched.c (move_insn): Handle notes correctly for insns
2592 with SCHED_GROUP_P set.
2594 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2596 * alpha/xm-linux.h (USE_BFD): Undef before define.
2598 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
2600 * cse.c (cse_insn): Don't record BLKmode values.
2602 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
2604 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
2606 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
2608 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
2609 * collect2.c (sys_errlist): Likewise.
2610 * cpplib.c (sys_errlist): Likewise.
2611 * gcc.c (sys_errlist): Likewise.
2612 * protoize (sys_errlist): Likewise.
2613 * configure.in: Check for strerror.
2614 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
2615 * xm-gnu.h (HAVE_STRERROR): Likewise.
2616 * xm-linux.h (HAVE_STRERROR): Likewise.
2617 * xm-netbsd.h (HAVE_STRERROR): Likewise.
2618 * xm-bsd386.h (HAVE_STRERROR): Likewise.
2619 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
2620 * xm-dos.h (HAVE_STRERROR): Likewise.
2621 * xm-mingw32.h (HAVE_STRERROR): Likewise.
2622 * xm-pa.h (HAVE_STRERROR): Likewise.
2623 * xm-papro.h (HAVE_STRERROR): Likewise.
2624 * xm-sysv4.h (HAVE_STRERROR): Likewise.
2625 * configure, config.in: Rebuilt.
2627 * Makefile.in: Add several missing "else true" clauses.
2629 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
2630 * mips-tfile.c: Likewise.
2631 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
2632 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
2633 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
2634 * configure.in: Check for sys_siglist declaration.
2635 * configure, config.in: Rebuilt.
2637 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
2639 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
2640 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
2641 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
2642 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
2643 * rs6000/sysv4.h (extra_subtarget_switches): Added new
2644 macro EXTRA_SUBTARGET_SWITCHES.
2645 * configure.in (sh*-*-rtems*): New target.
2646 * sh/rtems.h: New file.
2647 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
2648 * configure: Rebuilt.
2650 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
2652 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
2654 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
2656 * rs6000.md: Make DF fused-add operations pay attention to
2659 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
2661 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
2663 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
2665 * pa.md (reload_peepholes): Make sure operand is a REG before
2666 examining REGNO. Allow general registers too.
2668 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
2670 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
2672 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
2674 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
2675 to reallocate abbrev_die_table.
2677 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
2679 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
2681 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2683 * Makefile.in (config.status): Depend on version.c
2685 * expr.h (insn_gen_function): Reenable prototype.
2687 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
2690 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
2692 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
2694 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
2696 * version.c: Bump for latest snapshot.
2698 * bc-optab.c: Conditionally include stdlib.h.
2699 (free): Provide a declaration if NEED_DECLARATION_FREE.
2700 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
2701 * rtl.h (free): Remove declaration.
2702 * tree.h (free): Remvoe declaration.
2704 * configure: Rebuilt.
2706 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
2708 * flags.h (flag_move_all_movables): Declare.
2709 (flag_reduce_all_givs): Likewise.
2710 * loop.c (move_movables): Handle flag_move_all_movables.
2711 (strength_reduce): Handle flag_reduce_all_givs.
2712 * toplev.c (flag_move_all_movables): Define.
2713 (flag_reduce_all_givs): Likewise.
2714 (f_options): Add -fmove-all-movables and -freduce-all-givs.
2715 * invoke.texi: Document new options, including alias stuff that
2716 wasn't included last time.
2718 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
2720 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
2723 * t-vxworks68: Ditto.
2724 * t-vxworks960: Ditto.
2727 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
2729 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
2730 if not already defined, and USE_C_ALLOCA not defined.
2732 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
2734 * config.guess: Replace with script that uses ../config.guess.
2736 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
2737 if USE_GNULIBC_1 is not defined.
2739 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
2741 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
2742 * config.guess: Recognize alpha-linux-gnulibc1.
2743 * configure.in (alpha-*-linux-gnulibc1): New target.
2744 (alpha-*-linux-gnu*): Don't build crtbegin/end.
2746 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
2748 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
2751 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
2753 * loop.c (combine_movables): Earlier insns don't match later ones.
2755 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2757 * config/linux.h (CC1_SPEC): Define it only if not defined.
2759 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
2762 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
2763 USE_GNULIBC_1 is not defined.
2765 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
2767 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
2768 as 1 if USE_GNULIBC_1 is not defined.
2770 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
2772 * reorg.c (dbr_schedule): Allow current_function_return_rtx
2773 to be something other than a REG.
2774 * function.c (expand_function_end): Fix current_function_return_rtx
2777 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
2778 * x-netbsd: Likewise
2779 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
2780 (INSTALL_HEADERS): Delete.
2781 * x-dguxbcs: Likewise.
2782 * x-hp3bsd44: Likewise
2785 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2787 * i386.md (pop): pop increments the stack pointer.
2788 (prologue_set_stack_ptr): New pattern.
2789 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
2792 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
2794 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
2795 address where an offsettable address is required.
2797 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
2799 * loop.c (check_final_value): Don't miss a biv increment in a
2802 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
2804 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
2805 TYPE_DECL_IS_STUB instead of DECL_NAME.
2807 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2809 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
2811 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
2813 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
2815 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
2817 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
2818 (find_post_sched_live): Likewise.
2820 * haifa-sched.c (schedule_block): Remove old code to get arguments
2821 from hard regs into pseudos early.
2823 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
2825 * version.c: Bump for new snapshot.
2827 * local-alloc.c (update_equiv_regs): All the target to reject
2828 promotion of some REG_EQUAL to REG_EQUIV notes.
2829 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
2831 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
2834 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
2835 store of the argument registers.
2837 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
2839 * fold-const.c (multiple_of_p): New function.
2840 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
2842 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
2844 * expr.h (insn_gen_function): Temporarily remove prototype.
2846 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
2848 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
2849 filenames. Use sed to extract base filename for install.
2851 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
2853 * unroll.c (find_splittable_givs): Only share if two givs have the
2854 same add and multiply values.
2856 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
2858 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
2859 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
2861 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
2863 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
2864 around branch tables.
2865 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
2866 and .end_brtab directives if TARGET_GAS.
2868 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
2870 * alias.c (true_dependence): Pass x_addr not x to varies.
2872 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
2873 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
2874 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
2876 * config.in, configure: Regenerate.
2878 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
2880 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
2882 (record_set): Handle LO_SUM like PLUS.
2883 (init_alias_analysis): When following chains of base addresses,
2884 do not stop on reaching a hard register.
2886 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
2888 * version.c: Bump for new snapshot.
2890 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
2892 * alpha.h (ARCH_ASM_FILE_START): Define.
2893 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
2894 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
2896 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
2898 * Makefile.in (install-common): Put gcov comment at start of line.
2900 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
2902 * alias.c (init_alias_analysis): When simplifying the reg_base_value
2903 array, simplify entries for hard registers too.
2905 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
2907 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
2910 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
2912 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
2913 block_stack before dereferencing it.
2915 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
2917 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
2919 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2921 * cplus-dem.c: Add 'extern' to prepends_underscore.
2923 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
2925 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
2926 (get_issue_rate): Delete.
2927 * pa.h (ISSUE_RATE): Define.
2929 * configure.in: Turn on haifa by default for the PA.
2930 * configure: Rebuilt.
2931 * pa.c (override_options): Accept -mschedule=7200 option.
2932 (pa_adjust_cost): No longer need to scale costs for newer
2934 * pa.h (enum processor_type): Add PROCESSOR_7200.
2935 * pa.md: Revamp scheduling parameters to work better with
2936 haifa. Add scheduling parameters for the 7200.
2938 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
2940 (schedule_block): When adjusting basic_block_{head,end}, account
2941 for movement of SCHED_GROUP_P insns too.
2943 * haifa-sched.c (debug_dependencies): Fix thinko.
2945 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
2946 (site.exp, check, check-g++, check-gcc): New targets.
2948 * haifa-sched.c: Make lots of variables static.
2950 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2952 * expr.h, real.h: Finish prototyping.
2954 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
2956 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
2957 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
2958 * reload1.c: Undo bugfix from Aug 11.
2960 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
2962 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
2963 quotes around the name.
2964 * configure: Regenerate.
2966 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
2968 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
2970 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
2972 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
2973 to sub-makes to avoid building more passes than the user might have
2974 requested on the command line.
2976 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
2978 * configure.in: Expurgate `broken_install' (install is
2981 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
2984 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
2986 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
2987 functions and declarations.
2988 (analyze_loop_iterations): Use condjump_p.
2989 (insert_bct): Likewise. Use exact_log2.
2991 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
2993 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
2994 (schedule_region): Likewise.
2995 (schedule_insns): Likewise.
2997 * PROJECTS: Update with Haifa stuff.
2999 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
3001 * version.c: Change the version string to look like:
3002 egcs-2.90.00 970814 (gcc2-970802 experimental).
3004 * loop.c (is_conditional_branch): Make definition match declaration.
3006 * gcc.c: Take out experimental snapshot warning message.
3008 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
3010 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
3011 print out the names of the notes. Print out the name of the insn
3012 that is not a note, and not an {,CALL_,JUMP_}INSN.
3014 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3016 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3017 again for the slot after we give it RTL.
3019 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
3021 * configure.in (haifa configury): Fix typo.
3022 * configure: Regenerate.
3024 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
3026 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
3028 * gcc.info*: Rebuilt.
3030 * COPYING.g77, README.g77: New files.
3031 * real.c (ereal_unto_float, ereal_unto_double): New functions.
3032 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
3033 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
3035 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
3037 * Integrate Haifa instruction scheduler.
3038 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
3039 to sched with $(SCHED_CFLAGS.
3040 * configure.in: Handle --enable-haifa.
3041 * configure: Rebuilt.
3042 * flags.h: Add new flags for haifa instruction scheduler.
3043 * genattrtab.c (expand_units): For haifa, don't subtract one
3044 when computing blockage.
3045 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
3046 (flag_schedule_speculative): Ditto.
3047 (flag_schedule_speculative_load): Ditto.
3048 (flag_schedule_speculative_load_dangerous): Ditto.
3049 (flag_schedule_reverse_before_reload): Ditto.
3050 (flag_schedule_reverse_after_reload): Ditto.
3051 (flag_branch_on_count_reg): Ditto.
3052 (f_options): Add Haifa switches.
3053 (main): Turn off some Haifa options if appropriate macro is
3054 defined. Process Haifa switches.
3055 * unroll.c (iteration_info): No longer static, since Haifa
3057 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
3058 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
3059 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
3060 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
3061 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
3062 storage for the Haifa scheduler.
3063 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
3065 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
3066 are defined, call analyze_loop_iterations and insert_bct to use
3068 (record_giv): Refine test for jumps out of loops if HAIFA is
3070 (analyze_loop_iterations): New function to identify if we can use
3072 (insert_bct): Insert countdown loop.
3073 (instrument_loop_bct): Low level code to insert countdown loop.
3074 (loop_number): Calculate UID of loop.
3075 (indirect_jump_in_function_p): Return true if an indirect jump is
3077 (is_power_of_2): Return true if value is a power of 2.
3078 (is_conditional_branch): Return true if insn is a conditional
3080 (fix_bct_param): Process -fbct-{min,max}-N switches.
3081 (check_bct_param): Return true if loop should be instrumented.
3082 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
3083 (loop_optimize): Initialize.
3084 (get_condition_for_loop): Ditto.
3085 * loop.c (strength_reduce): Inside of code that uses #ifdef
3086 HAVE_decrement_and_branch_on_count code, test it to make sure the
3088 (instrument_loop_bct): Ditto.
3089 * haifa-sched.c: New file.
3092 * Integrate regmove pass.
3093 * Makefile.in (OBJS): Add regmove.o
3094 (regmove.o): Add dependencies.
3095 * flow.c (find_use_as_address): No longer static.
3096 * rtl.h (find_use_as_address): Declare.
3097 * toplev.c (regmove_dump, flag_regmove): Define.
3098 (f_options): Add -fregmove.
3099 (regmove_dump_file, regmove_time): Define.
3100 (fatal_insn): Close the regmove dump file.
3101 (compile_file): Initialize regmove_time; open/close the regmove dump
3102 file as needed. Print regmove time as needed.
3103 (rest_of_compilation): Run regmove pass if requested, dump
3104 RTL after regmove if requested.
3105 (main): If -O2 or more, turn on regmove. Handle dump switches.
3106 * regmove.c: New file.
3108 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
3110 * Integrate tlink patch from jason@cygnus.com
3111 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
3112 (process_command): Increment n_switches for them. Don't discard
3113 their args. Validate them.
3114 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
3116 (process_command): Set include_prefixes from COMPILER_PATH.
3117 (main): Set COLLECT_GCC_OPTIONS sooner.
3118 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
3119 * tlink.c, hash.c, hash.h: New files.
3120 * Makefile.in (USE_COLLECT2): Always use collect2.
3121 (collect2): Depend on and link in hash.o and tlink.o.
3122 (tlink.o, hash.o): Add dependencies.
3124 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
3126 * Integrate alias analysis changes from jfc@mit.edu
3127 * Makefile.in (OBJS): Add alias.o
3128 (alias.o): Add dependencies.
3129 * alias.c: New file.
3130 * sched.c: Remove alias analysis code. It lives in alias.c now.
3131 (sched_analyze_2): Add new arguments to true_dependence.
3132 (schedule_insns): Always call init_alias_analysis.
3133 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
3134 mark return value from such functions as a pointer and keep track of
3135 them for alias analysis. If a return value from a function is a
3136 pointer, mark it as such.
3137 * combine.c (distribute_notes): Handle REG_NOALIAS.
3138 * cse.c (struct write_data): Delete. No longer needed.
3139 (invalidate): Don't call set_nonvarying_address_components anymore.
3140 Use true_dependence to decide if an entry should be removed from
3142 (invalidate_memory): Remove WRITES argument, simplify appropriately.
3144 (note_mem_written): Similarly for WRITE_PTR argument.
3145 (invalidate_from_clobbers): Similarly for W argument.
3146 (invalidate_for_call): Remove memory elements from the hash table.
3147 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
3148 (cse_rtx_varies_p): New function. Derived from old
3149 cse_rtx_addr_varies_p.
3150 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
3151 Don't call note_mem_written anymore. Stack pushes invalidate the stack
3152 pointer if PUSH_ROUNDING is defined. No longer need to call
3153 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
3154 (skipped_writes_memory): Remove variable.
3155 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
3156 (invalidate_skipped_block): Simplify for new alias analysis code.
3157 (cse_set_around_loop): Likewise.
3158 (cse_main): Call init_alias_analysis.
3159 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
3160 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
3161 (f_options): Add new alias checking arguments.
3162 (main): Set flag_alias_check when optimizing.
3163 * local_alloc (validate_equiv_mem_from_store): Add new arguments
3165 (memref_referenced_p): Likewise.
3166 * loop.c (NUM_STORES): Increase to 30.
3167 (prescan_loop): Only non-constant calls set unknown_address_altered.
3168 (invariant_p): Add new arguments to true_dependence.
3169 (record_giv): Initialize unrolled and shared fields.
3170 (emit_iv_add_mult): Call record_base_value as needed.
3171 * loop.h (struct induction): Add unrolled and shared fields.
3172 * unroll.c (unroll_loop): Call record_base_value as needed.
3173 (copy_loop_body): Likewise.
3174 (final_biv_value): Likewise.
3175 (final_giv_value): Likewise.
3176 (find_splittable_regs): Likewise. Only create one new pseudo
3177 if we have multiple address GIVs that were combined with the same
3178 dst_reg GIV. Note when a new register is created due to unrolling.
3179 * rtl.c (reg_note_name): Add REG_NOALIAS.
3180 * rtl.h (enum reg_note): Similarly.
3181 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
3182 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
3183 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
3184 (true_dependence, read_dependence, anti_dependence): Likewise.
3185 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
3186 (mark_user_reg, mark_reg_pointer): Likewise.
3189 * Integrate reload bugfix from Wilon which enables the PA port
3191 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
3192 OPERAND_ADDRESS when computing how many registers an insn needs.
3193 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
3195 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
3197 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
3198 in reload_reg_use_in_op_addr do not reach the end.
3199 do not reach the end.
3200 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
3201 RELOAD_FOR_OPERAND_ADDRESS.
3203 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
3205 * egcs project officially starts.