1 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
5 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
7 * Partially cleaned up prototyping code from HJ.
8 * tree.h: Add many prototypes.
9 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
10 All references changed.
11 * rtl.h: Protect from multiple inclusions. Add many prototypes.
13 Tue Dec 9 01:15:15 199 Fred Fish <fnf@ninemoons.com>7
15 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
16 string functions like strlen.
18 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
20 * configure.in: Check for functions getrlimit and setrlimit.
21 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
22 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
24 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
26 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
28 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
30 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
33 * alpha.c (override_options): Don't know about scheduling for EV6.
34 * alpha.md (ev5 function units): Don't overload as ev6.
36 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
37 * alpha.md (define_attr type): Add mvi.
38 (ev5_e0): Define sceduling parameters for it.
39 (TARGET_MAX insns): Type is mvi not shift.
41 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
43 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
45 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
47 * cstamp-h, auto-config.h: Delete.
49 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
51 * version.c: Bump for snapshot.
53 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
55 * cccp.c: Fix typo brought over in merge.
57 * Merge in changes from gcc-2.8.
59 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
61 * m68k.c: Include tree.h for dwarf2out_cfi_label.
63 * gcc.c (process_command): Do not take address of function fatal when
64 calling lang_specific_driver.
66 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
68 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
69 doesn't work with it yet, so set it to 0.
70 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
72 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
74 * cse.c (cse_insn): Check for invalid entries when taking references.
76 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
78 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
79 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
80 * toplev.c (rest_of_compilation): Pass it. Remove code to
81 save / clear / restore flag_unroll_{,all_}loops.
83 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
85 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
87 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
89 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
91 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
93 * except.c (get_dynamic_handler_chain): Only make the call once per
96 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
98 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
100 * sh.c (final_prescan_insn): Use local label prefix
101 when emitting .uses pseudo-ops.
103 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
105 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
106 * except.c: Lose outer_context_label_stack.
107 (expand_eh_region_end): Rethrow from outer_context here.
108 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
109 (expand_internal_throw): Take no args.
110 (expand_internal_throw_indirect): Lose.
111 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
112 (expand_start_all_catch): Start a rethrow region.
113 (expand_end_all_catch): End it.
114 (expand_rethrow): New fn.
115 * except.h: Reflect above changes.
116 * flow.c: Revert change of Nov 27.
118 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
120 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
122 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
124 * except.c (expand_fixup_region_end): New fn.
125 (expand_fixup_region_start): Likewise.
126 (expand_eh_region_start_tree): Store cleanup into finalization here.
127 * stmt.c (expand_cleanups): Use them to protect fixups.
129 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
131 * mips/mips.md (muldi3_r4000): Broaden the output template
132 and attribute assignments to handle three operand dmult;
133 rename to muldi3_internal2.
134 (muldi3): Call the new muldi3_internal2 for R4000, and
135 any GENERATE_MULT3 chip.
137 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
139 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
141 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
143 * unroll.c (find_splittable_givs): Remove last change. Handle givs
144 with a dest_reg that was created by loop.
146 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
148 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
150 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
152 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
154 * configure.in: Fix NCR entries.
156 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
158 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
159 nested exceptions correctly.
161 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
162 that was created by loop.
164 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
166 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
168 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
170 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
172 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
173 (print_operand): Use SMALL_DATA_REG for the register involved in
174 small data relocations.
175 (print_operand_address): Ditto.
177 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
178 -dynamic linker is not used.
180 * rs6000.md (call insns): For local calls, use @local suffix under
181 System V. Don't use @plt under Solaris.
183 * rs6000.c (output_function_profiler): Put label address in r0, and
184 store LR in 4(sp) for System V/eabi.
186 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
187 byte boundary, and maintain stack backchain.
189 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
191 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
192 fix_truncsfdi2): Change *.
194 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
196 * toplev.c (main): Complain about -gdwarfn.
198 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
200 * dwarfout.c (output_type): If finalizing, write out nested types
201 of types we've already written.
203 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
205 (patches originally from Geoffrey Keating)
206 * rs6000.c (function_arg): Excess floating point arguments don't
207 go into GPR registers after exhausting FP registers under the
209 (function_arg_partial_nregs): Ditto.
211 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
214 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
216 * integrate.c (output_inline_function): Just unset DECL_INLINE.
218 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
220 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
223 * libgcc2.c (__throw): Initialize HANDLER.
225 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
227 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
228 fix_truncsfdi2): Change *X to ?*X.
230 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
232 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
234 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
236 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
238 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
240 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
242 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
244 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
245 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
248 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
250 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
251 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
252 gas and not using the new HP assembler.
254 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
256 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
257 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
259 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
261 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
262 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
265 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
267 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
269 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
271 * except.h: Add outer_context_label_stack.
272 * except.c: Likewise.
273 (expand_start_all_catch): Push the outer_context for the try block
274 onto outer_context_label_stack.
275 (expand_end_all_catch): Use it and pop it.
277 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
279 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
281 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
283 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
285 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
287 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
288 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
290 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
292 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
293 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
294 __builtin_delete, and __builtin_vec_delete.
296 * except.c (output_exception_table): Don't bother with
299 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
301 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
302 is an in/out operand.
303 (zero extended variants of stwm/stwm patterns): Similarly.
305 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
307 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
309 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
311 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
312 (output_call_frame_info): Emit a \n after using it.
314 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
316 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
318 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
320 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
321 (ASM_OUTPUT_DWARF_VALUE4): New macro.
322 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
324 (output_call_frame_info): Do not output forward label differences
325 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
326 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
328 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
330 * sh.md (attribute "type"): Add nil.
331 (movsi_ie): y/y alternative is type nil.
332 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
334 (movsf_ie+1): Delete.
336 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
338 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
339 large_int, emit two insns instead of one splitable insn.
340 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
341 from cfa_temp_value, use cfa_offset. Add assert checking that
344 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
346 * cccp.c (deps_output): Properly quote file names for make.
348 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
350 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
352 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
354 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
356 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
358 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
360 (cse_end_of_basic_block): Similarly.
362 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
364 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
365 (SELECT_RTX_SECTION): Define.
366 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
368 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
370 * Makefile.in (compare, compare-lean): Define $stage for each
372 (gnucompare, gnucompare-lean): Likewise.
374 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
376 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
378 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
379 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
381 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
383 * dwarfout.c (byte_size_attribute): Add local var upper_bound
384 and add case to handle STRING_TYPE.
385 * dwarfout.c (output_string_type_die): Fix code to generate
386 correct string length attribute for fixed length strings.
387 Still needs support for varying length strings.
389 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
391 * toplev.c (get_run_time): Do something sensible for cygwin32.
393 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
395 * expr.c (expand_builtin_setjmp): Set
396 current_function_has_nonlocal_label.
397 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
398 call-saved registers across calls.
400 * alpha.md (exception_receiver): Remove.
401 (nonlocal_goto_receiver_osf): New
402 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
403 (nonlocal_goto_receiver): New, select _osf or _vms.
405 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
406 keep them from being propogated to the object file.
407 (alpha_write_linkage): Likewise.
408 * alpha.md (call_vms): Likewise.
409 (call_value_vms): Likewise.
410 (unnamed osf call insns): Likewise.
412 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
413 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
415 * alpha.c (call_operand): Any reg is valid for WinNT.
416 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
417 (anon nt calls): Add 'R' alternative.
418 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
419 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
421 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
423 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
425 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
426 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
427 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
429 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
431 * reload1.c (new_spill_reg): Improve fixed or forbidden register
434 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
436 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
437 use varargs.h. Wrap header with <>, not "".
439 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
441 * integrate.c (save_for_inline_copying): Add return value from
444 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
446 * fixincludes: Be a little more restrictive on what we will
447 substitute to replace definitions of MAXINT for HPUX.
449 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
451 * dbxout.c (dbxout_symbol_location): Don't assume that variables
452 whose address is the stack or argument pointers are indirect
455 1997-11-13 Paul Eggert <eggert@twinsun.com>
457 * cccp.c, cpplib.c (compare_defs):
458 Don't complain about arg name respellings unless pedantic.
459 * cpplib.c (compare_defs): Accept pfile as new arg.
462 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
464 * fold-const.c (fold_truthop): Fix bug in last change.
466 1997-11-13 Paul Eggert <eggert@twinsun.com>
468 Fix some confusion with IEEE minus zero.
470 * real.h (REAL_VALUES_IDENTICAL): New macro.
472 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
473 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
475 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
476 same tree structure as 0.0.
478 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
479 macro instead of doing it by hand.
481 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
483 * v850/lib1funcs.asm: Minor whitespace changes.
484 * v850.c: Fix minor formatting problems in many places.
485 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
487 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
489 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
490 xplus1 when xplus0 is not a register.
492 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
494 * flow.c (find_basic_blocks): During marking phase, if we encounter
495 an insn with a REG_LABEL note, make the target block live and
496 create an edge from the insn to the target block. Do not make
497 edges from all blocks to the target block.
499 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
501 * confiugre.in: Tweak NCR entries.
502 * configure: Rebuilt.
504 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
506 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
507 pick apart floating point values, instead of using CONST_DOUBLE_LOW
508 and CONST_DOUBLE_HIGH.
510 * rs6000.md (define_splits for DF constants): Use the appropriate
511 REAL_VALUE_* interface to pick apart DF floating point constants in
512 a machine independent fashion.
514 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
516 * fold-const.c (fold_truthop): When changing a one-bit comparison
517 against zero into a comparison against mask, do a proper sign
520 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
522 * except.c: Do not include "assert.h".
523 (save_eh_status): Turn asserts into conditional aborts.
524 (restore_eh_status, scan_region): Likewise.
525 * dwarfout.c: Do not include "assert.h".
526 (bit_offset_attribute): Turn asserts into conditional aborts.
527 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
528 (output_inlined_structure_type_die): Likewise.
529 (output_inlined_union_type_die): Likewise
530 (output_tagged_type_instantiation): Likewise.
531 (dwarfout_file_scope_decl): Likewise.
532 * dwarf2out.c: Do not include "assert.h"
533 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
534 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
535 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
536 (add_bit_size_attribute, scope_die_for): Likewise.
537 (output_pending_types_for_scope): Likewise.
538 (get_inlined_enumeration_type_die): Likewise.
539 (get_inlined_structure_type_die): Likewise.
540 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
541 (gen_tagged_type_instantiation_die): Likewise.
543 * flow.c (find_basic_blocks): Refine further to get a more correct
544 cfg, especially in the presense of exception handling, computed
545 gotos, and other non-trivial cases. Call abort if an inaccuracy
546 is detected in the cfg.
548 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
550 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
552 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
553 (skip_white_space): Use whitespace_cr.
554 (check_newline): Handle whitespace more consistently.
556 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
558 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
559 * i386/xm-cygwin32.h (POSIX): Define.
561 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
563 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
564 is available elsewhere.
566 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
568 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
569 what the instruction can handle.
571 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
573 * stmt.c (expand_decl_cleanup_no_eh): New fn.
575 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
577 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
579 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
580 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
582 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
584 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
585 swap instruction order.
587 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
589 * fixinc.svr4 (__STDC__): Add another case.
591 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
593 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
594 addresses in the epilogue delay slot.
596 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
598 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
599 in generated `specs' file.
601 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
603 * flags.h (flag_rerun_loop_opt): Declare.
604 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
605 * toplev.c (flag_rerum_loop_opt): Delete static.
607 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
611 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
613 * va-sh.h (__va_arg_sh1): Define.
615 SH3E doesn't use any integer registers for subsequent arguments
616 once a non-float value was passed in the stack.
617 * sh.c (machine_dependent_reorg): If optimizing, put explicit
618 alignment in front label for ADDR_DIFF_VEC.
619 * sh.h (PASS_IN_REG_P): Fix SH3E case.
620 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
622 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
624 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
627 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
629 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
630 put an use_sfunc_addr before each sfunc.
631 * sh.md (use_sfunc_addr, dummy_jump): New insns.
632 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
634 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
636 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
638 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
640 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
643 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
645 * alias.c (find_base_value): Only return the known base value for
648 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
650 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
651 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
653 (prologue_get_pc_and_set_got): New pattern.
655 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
657 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
658 for SUBREG, just fall through.
660 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
662 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
664 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
666 * fixincludes: Fix "hypot" prototype in NeXT math.h.
668 * Makefile.in (USE_ALLOCA): Always include alloca.o.
669 (USE_HOST_ALLOCA): Likewise.
671 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
672 and LABEL_REFS fields.
673 * rtl.h (LABEL_REFS): Update.
675 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
677 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
678 sets i2dest. When calling distribute_notes for i3dest_killed, pass
679 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
682 * mips.md (insv, extzv, extv): Add change_address call.
683 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
685 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
687 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
689 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
690 save_restore_insns if no FP and GP will be restored.
692 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
693 Convert CCmode to word_mode before calling GET_MODE_SIZE.
695 * acconfig.h (HAVE_INTTYPES_H): Undef.
696 * configure.in (inttypes.h): Check for conflicts between sys/types.h
697 and inttypes.h, and verify that intmax_t is defined.
698 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
699 * config/mips/x-iris3: Likewise.
701 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
703 * alias.c (find_base_value): When copying arguments, return the
704 tenative value for a hard register.
706 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
708 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
709 (yylex): Record wide strings using target endianness, not host.
711 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
713 * mn10200.h (ASM_OUTPUT_BSS): Delete.
714 (ASM_OUTPUT_ALIGNED_BSS): New macro
715 * mn10300.h (ASM_OUTPUT_BSS): Delete.
716 (ASM_OUTPUT_ALIGNED_BSS): New macro.
717 * v850.h (ASM_OUTPUT_BSS): Delete.
718 (ASM_OUTPUT_ALIGNED_BSS): New macro.
720 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
722 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
724 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
726 * configure.in (sco5): Use cpio to install header files.
728 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
730 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
732 * configure: Rebuild.
734 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
736 * i386/sco5.h: enable -gstabs once again.
738 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
740 * arm.c (output_move_double): Allocate 3 entries in otherops array.
742 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
744 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
745 notes for sjlj exceptions too.
746 (expand_eh_region_end): Similarly for EH_REGION_END notes.
747 (exception_optimize): Optimize EH regions for sjlj exceptions too.
748 * final.c (final_scan_insn): Don't output labels for EH REGION
749 notes if doing sjlj exceptions.
751 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
753 * alias.c (init_alias_analysis): Handle -fno-alias-check when
754 optimizing correctly.
756 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
757 or set current_function_calls_setjmp anymore.
759 * flow.c (find_basic_blocks): If we delete the label for an
760 exception handler, remove it from the EH label list and remove
761 the EH_BEGIN/EH_END notes for that EH region.
763 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
765 * flow.c (find_basic_blocks): Generate correct flow control
766 information when exception handling notes are present.
768 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
770 * dwarf2out.c (output_call_frame_info): Fix length argument
772 (output_die, output_pubnames, output_line_info): Likewise.
774 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
776 * version.c: Bump for snapshot.
778 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
779 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
780 flag_debug_asm is on.
781 (output_die, output_pubnames, output_line_info): Likewise.
783 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
784 and static_chain_rtx into the potential base values array if
787 * alias.c (new_reg_base_value): New array of potential base values.
788 (unique_id): Now file scoped static.
789 (find_base_value, case REG): Return the value in reg_base_value
790 array for the REG if it exists. Else, return the value from
791 new_reg_base_value if copying args and REG is a hard register.
792 (find_base_value, case PLUS): If either operand of the PLUS is
793 a REG, try to get its base value. Handle base + index and
795 (record_set): Use new_reg_base_value instead of reg_base_value.
796 (init_alias_analysis): Allocate space for new_reg_base_value too.
797 Rework code to iterate over the insns propagating base value
798 information until nothing changes.
800 * global.c (global_alloc): Free the conflict matrix after
803 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
805 * libgcc2.c (L_eh): Define __eh_pc.
806 Replace __eh_type with generic pointer __eh_info.
808 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
810 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
811 use copy_to_reg if address is not a general_operand.
813 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
815 * profile.c (output_func_start_profiler): Clear flag_inline_functions
816 for the duration of the call to rest_of_compilation.
818 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
820 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
822 (sparc*-*-*): Recognize --with-cpu=v9.
823 * sparc/elf.h: New file.
824 * sparc/t-elf: New file.
826 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
828 * mn10300.c (const_8bit_operand): New function.
829 (mask_ok_for_mem_btst): New funtion.
830 * mn10300.md (btst patterns with mem operands): Use new functions
831 to avoid creating btst instructions with invalid operands.
833 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
835 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
836 are running on PowerPC Linux.
838 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
840 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
841 if not previously defined.
843 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
845 * function.c (assign_parms): Correct mode of stack_parm if
846 entry_parm underwent a mode conversion.
848 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
850 * global.c (global_alloc): Use xmalloc instead of alloca for
851 CONFLICTS, since max_allocno * allocno_row_words alone can be more
852 than 2.5Mb sometimes.
854 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
856 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
857 DEST for the spill, adjust mode of SRC to compensate.
859 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
861 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
862 since any_memory_operand() allows pseudos during reload.
863 (reload_inhi, reload_outqi, reload_outhi): Likewise.
865 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
867 * m68k.md (btst patterns): Add 5200 support.
869 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
871 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
872 optimizations, look inside dividend to determine if the expression
873 can be simplified by using EXACT_DIV_EXPR.
875 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
878 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
880 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
882 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
884 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
886 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
889 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
891 * alpha.md (movqi, movhi): Make sure new insns created during reload
892 won't need reloading themselves.
893 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
895 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
897 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
899 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
901 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
902 Patch from Klaus Kaempf <kkaempf@progis.de>.
904 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
906 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
907 to an element in a constant string.
909 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
911 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
912 bit PC-relative offset. The exception range table pointer is now in
914 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
915 (count_fdes, add_fdes, get_cie): Adjust.
916 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
919 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
921 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
923 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
924 like stack_pointer_rtx.
926 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
928 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
929 targets using "$@" to provide support for similar but not identical
930 targets without having to duplicate code.
931 (bootstrap4): New goal.
933 * Makefile.in (compare, compare-lean, compare3): Combined to one
934 ruleset determining actions to be performed via $@.
935 (compare4, compare4-lean): New targets.
936 (gnucompare, gnucompare3): Combined to one ruleset determining
937 actions to be performed via $@. Also, note which files failed
938 the comparison test in .bad_compare.
939 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
941 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
943 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
944 if the dividend is a multiple of the divisor.
946 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
948 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
950 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
953 * alias.c (true_dependence): Fix typo.
955 * toplev.c (flag_rerun_loop_opt): New variable.
956 (f_options): Handle -frerun-loop-opt.
957 (rest_of_compilation): If -frerun-loop-opt, then run the loop
959 (main): Enable -frerun-loop-opt by default for -O2 or greater.
961 * loop.c (simplify_giv_expr): Adding two invariants results
964 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
966 * expr.c (get_inner_reference): Remove the array bias after
967 converting the index to Pmode.
969 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
971 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
972 (TARGET_MULT_BUG): Define.
973 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
974 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
976 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
978 * mn10200.c (indirect_memory_operand): Delete unused function.
979 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
980 * mn10200.md (bset, bclr insns): Handle output in a reg too.
982 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
984 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
985 the callee's ldgp, we must do it ourselves, and we use the jsr tag
986 for more than scheduling.
988 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
990 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
992 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
994 * mn10300.c (symbolic_operand, legitimize_address): New functions.
995 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
996 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
998 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
1000 * version.c: Bump for snapshot.
1002 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1004 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
1007 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
1009 * toplev.c (flag_exceptions): Default value is 2.
1010 (compile_file): If flag_exceptions still has the value 2, then
1013 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
1014 (rs6000_save_machine_status): Save pic_offset_table_rtx.
1015 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
1017 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
1020 * rs6000.md (*movsi_got_internal_mem): New pattern.
1021 (*movsi_got_internal_mem splitter): New define_split.
1023 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
1025 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
1027 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
1029 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
1030 only need to save LR.
1032 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
1034 * mn10300.md (movqi, movhi): Avoid using address registers as
1035 destinations unless absolutely necessary.
1037 * mn10200.c (expand_prologue): Fix typo.
1039 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
1041 * mn10200.md (neghi2): Provide an alternative which works if
1042 the input and output register are the same.
1044 * mn10300.c (print_operand): Handle 'S'.
1045 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
1046 shift amount in last alternative
1048 * mn10300.c (expand_epilogue): Rework to handle register restores
1049 in "ret" and "retf" instructions correctly.
1051 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
1053 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
1054 extzv for memory operands.
1056 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
1057 redundant conditional moves to single operand.
1059 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
1061 * v850.h: Move define of __v850__ from CPP_PREDEFINES
1064 * xm-v850.h: Use __v850 rather than __v850__ to
1067 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
1069 * mips/mips.c (compute_frame_size): Not a leaf function if
1072 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
1074 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
1076 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
1078 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
1079 (DEFAULT_ARCH32_P): New macro.
1080 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
1081 (enum cmodel): Declare.
1082 (sparc_cmodel_string,sparc_cmodel): Declare.
1083 (SPARC_DEFAULT_CMODEL): Provide default.
1084 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
1085 (TARGET_FULLANY): Deleted.
1086 (TARGET_CM_MEDMID): New macro.
1087 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
1088 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
1089 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
1090 (CPP_SPEC): Rewrite.
1091 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
1092 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
1093 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
1094 (ASM_SPEC): Add %(asm_arch).
1095 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
1096 Rename asm_default to asm_cpu_default.
1097 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
1098 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
1099 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
1100 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
1101 (MASK_INT64,MASK_LONG64): Delete.
1102 (MASK_ARCH64): Renamed to MASK_64BIT.
1103 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
1104 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
1105 (TARGET_SWITCHES): Always provide 64 bit options.
1106 (ARCH64_SWITCHES): Delete.
1107 (TARGET_OPTIONS): New option -mcmodel=.
1108 (INT_TYPE_SIZE): Always 32.
1109 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
1110 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
1111 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
1112 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
1113 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
1115 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1116 * sparc/linux.h: Likewise.
1117 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
1118 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
1119 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
1120 (SPARC_DEFAULT_CMODEL): Define.
1121 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
1122 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1123 (LONG_DOUBLE_TYPE_SIZE): Define.
1124 (ASM_SPEC): Add %(asm_arch).
1125 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
1126 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1127 (TARGET_CPU_DEFAULT): Add ultrasparc case.
1128 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
1129 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
1130 (SPARC_DEFAULT_CMODEL): Define.
1131 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
1132 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
1133 MASK_LONG64, MASK_MEDANY.
1134 (SPARC_DEFAULT_CMODEL): Define.
1135 (CPP_PREDEFINES): Delete.
1136 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1137 (ASM_SPEC): Add %(asm_arch).
1138 (LONG_DOUBLE_TYPE_SIZE): Define.
1139 (DWARF2_DEBUGGING_INFO): Define.
1140 * sparc/splet.h (CPP_SPEC): Delete.
1141 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
1142 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
1143 (BLOCK_PROFILER): Likewise.
1144 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
1145 (sparc_override_options): Handle code model selection.
1146 (sparc_init_expanders): Renamed from sparc64_init_expanders.
1147 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
1148 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
1149 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
1150 (sethi_di_fullany): Delete.
1152 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
1153 Jeff Law <law@cygnus.com>
1154 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1156 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
1157 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
1158 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
1159 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
1160 * alpha/alpha.md (arg_home): Likewise.
1162 * alpha/alpha.c (vmskrunch): Delete
1163 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
1164 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
1165 truncate to 64 characters.
1167 * make-l2.com: Support openVMS/Alpha.
1169 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
1171 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1173 * longlong.h (count_leading_zeros): Add missing casts to USItype.
1175 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
1177 * i386/bsd386.h (ASM_COMMENT_START): Define.
1179 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
1181 * tree.c (restore_tree_status): Also free up temporary storage
1182 when we finish a toplevel function.
1183 (dump_tree_statistics): Print stats for backend obstacks.
1185 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
1187 * expr.c (use_group_regs): Don't call use_reg for MEMs.
1189 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
1191 * libgcc2.c (__throw): Don't copy the return address.
1192 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
1194 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
1195 * toplev.c (main): Initialize exceptions_via_longjmp.
1197 * tree.c: Add extra_inline_obstacks.
1198 (save_tree_status): Use it.
1199 (restore_tree_status): If this is a toplevel inline obstack and we
1200 didn't want to save anything on it, recycle it.
1201 (print_inline_obstack_statistics): New fn.
1202 * function.c (pop_function_context_from): Pass context to
1203 restore_tree_status.
1204 * obstack.h (obstack_empty_p): New macro.
1206 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
1208 * i386/freebsd.h (ASM_COMMENT_START): Fix.
1210 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
1212 * v850.c (ep_memory_offset): New function.
1213 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
1215 * v850.h (CONST_OK_FOR_*): Add and correct comments.
1216 (CONSTANT_ADDRESS_P): Add comment.
1217 (EXTRA_CONSTRAINT): Define 'U'.
1218 * v850.md: Add comments on bit field instructions.
1219 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
1220 (lshrsi3): Use N not J constraint.
1222 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
1224 * v850.c (reg_or_0_operand): Call register_operand.
1225 (reg_or_int5_operand): Likewise.
1226 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
1227 (TARGET_SWITCHES): Add "big-switch".
1228 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
1229 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
1230 (CASE_DROPS_THROUGH): Comment out.
1231 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
1232 * v850.md (cmpsi): Delete compare mode.
1233 (casesi): New pattern.
1235 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
1236 * v850.md (ashlsi3): Use SImode not QImode for shift count.
1237 (lshrsi3): Likewise.
1239 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
1240 unreachable switch statement after 'b' support. Remove "b" from
1241 strings for 'b' support.
1242 * v850.md (branch_normal, branch_invert): Change %b to b%b.
1244 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
1246 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
1247 empty line if @inhibit_libc@ is empty.
1249 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
1251 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
1252 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
1253 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
1254 (DWARF2_UNWIND_INFO): Let this track object file format.
1255 (EXTRA_SECTIONS): Add in_eh.
1256 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
1257 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
1259 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
1261 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
1262 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
1264 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
1265 (output_double_int): Output DI mode values correctly when
1266 HOST_BITS_PER_WIDE_INT is 64.
1267 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
1268 fmovd so it works if a quad float ends up in one of the upper 32
1270 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
1271 necessary for PIC support on sparc64.
1273 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
1275 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
1276 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
1277 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
1278 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
1279 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
1280 (SPARC_FP_ARG_FIRST): New macro.
1281 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
1282 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
1283 (NPARM_REGS): There are 32 fp argument registers now.
1284 (FUNCTION_ARG_REGNO_P): Likewise.
1285 (FIRST_PARM_OFFSET): Update to new v9 abi.
1286 (REG_PARM_STACK_SPACE): Define for arch64.
1287 (enum sparc_arg_class): Delete.
1288 (sparc_arg_count,sparc_n_named_args): Delete.
1289 (struct sparc_args): Redefine and use for arch32 as well as arch64.
1290 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
1291 (FUNCTION_ARG_ADVANCE): Rewrite.
1292 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
1293 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
1294 (FUNCTION_ARG_CALLEE_COPIES): Delete.
1295 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
1296 (STRICT_ARGUMENT_NAMING): Define.
1297 (doublemove_string): Declare.
1298 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
1299 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
1300 (doublemove_string): New function.
1301 (output_move_quad): Clean up some of the arch64 support.
1302 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
1303 Don't add 8 bytes of reserved space if arch64.
1304 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
1305 (init_cumulative_args): New function.
1306 (function_arg_slotno): New static function.
1307 (function_arg,function_arg_partial_nregs): New functions.
1308 (function_arg_{pass_by_reference,advance}): New functions.
1309 (function_arg_padding): New function.
1310 * ginclude/va-sparc.h: Rewrite v9 support.
1312 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1314 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
1315 for hard regs to determine base and index registers.
1317 * reload.c (debug_reload_to_stream): New function. Specify stream
1318 into which to write debug info.
1319 (debug_reload): Modify to call debug_reload_to_stream with stderr.
1321 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
1323 * combine.c (can_combine_p): Don't combine with an asm whose
1324 output is a hard register.
1326 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
1328 * c-decl.c (start_struct): Ensure that structs with forward
1329 declarations are in fact packed when -fpack-struct is given.
1331 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
1332 we are packing a structure. This allows a structure with only
1333 bytes to be aligned on a byte boundary and have no padding on a
1336 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1338 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
1340 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
1342 * alpha.c (alpha_return_addr_rtx): New variable.
1343 (alpha_save_machine_status): New; save it.
1344 (alpha_restore_machine_status): New; restore it.
1345 (alpha_init_expanders): New; clear it.
1346 (alpha_return_addr): New; set it.
1347 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
1348 is overly conservative, so search the insns explicitly.
1349 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
1350 (alpha_sa_size [VMS && !VMS]): Likewise.
1351 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
1352 (INIT_EXPANDERS): New definition.
1354 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
1355 (output_prolog [!VMS]): Use them.
1357 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
1358 (alpha_does_function_need_gp): ... a new function. Refine the
1359 CALL_INSN test to just TYPE_JSR.
1360 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
1362 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
1364 * version.c: Bump for snapshot.
1366 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1368 * pa.c (move_operand): Respect -mdisable-indexing.
1369 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
1371 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
1373 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
1375 (umulsidi3,umulsi3_highpart): Ditto.
1376 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
1378 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
1380 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
1381 (alpha_handle_trap_shadows): ... a new function. Handle the entire
1382 function in one go. Emit RTL for trapb, instead of printf directly.
1383 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
1384 (trap_pending): Kill global variable.
1385 (output_epilog): Don't call final_prescan_insn.
1386 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
1387 * alpha.h (FINAL_PRESCAN_INSN): Remove.
1388 (MACHINE_DEPENENT_REORG): Define.
1389 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
1392 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
1394 Tune Haifa scheduler for Alpha:
1395 * alpha.h (ISSUE_RATE): Define.
1396 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
1397 EV4 adjustments to EV5.
1398 * alpha.md: Remove all scaling from function unit delays. Rework
1399 EV5 function units to match the CPU.
1400 (umuldi3_highpart): EV5 added the IMULH insn class.
1402 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
1404 * pa.c (following_call): Fail if the CALL_INSN is an indirect
1407 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
1409 * cplus-dem.c (demangle_signature): Don't look for return types on
1410 constructors. Handle member template constructors.
1412 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
1414 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
1415 * tree.h: Declare them.
1417 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
1419 * configure.in: Handle --with-newlib.
1420 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
1422 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
1424 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
1426 * config/ptx4.h: Fix typo.
1428 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
1430 * version.c: Bump for snapshot.
1432 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
1434 * aclocal.m4: Substitute INSTALL.
1435 * configure: Re-built.
1437 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
1439 * integrate.c (save_for_inline_copying): Avoid undefined pointer
1441 (expand_inline_function): Likewise.
1443 * dwarf2out.c (output_call_frame_info): Reinstate last change
1444 using flag_debug_asm check instead of flag_verbose_asm.
1446 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
1448 * dwarf2out.c (output_call_frame_info): Remove last change.
1450 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1452 * frame.c (__frame_state_for): Execute the FDE insns until the
1453 current pc value is strictly bigger than the target pc value.
1455 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
1457 * regclass.c (init_reg_modes): If we can't find a mode for the
1458 register, use the previous one.
1460 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
1462 * haifa-sched.c (print_block_visualization): Call fprintf directly,
1463 don't sprintf through an alloca'ed buffer.
1465 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
1467 * reload.c (decompose): Always initialize val.base.
1469 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1471 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
1472 instead of aborting.
1473 * dwarf2out.c (output_call_frame_info): Call app_enable and
1474 app_disable to let GNU as accept the generated comments.
1476 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
1478 * tree.h (get_file_function_name): Add declaration.
1479 * dwarf2out.c (output_call_frame_info): No need to cast
1480 get_file_function_name call anymore.
1481 * profile.c (toplevel): Remove get_file_function_name
1483 * c-lang.c (finish_file): Ditto.
1485 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
1487 * Makefile.in (program_transform_name): Let autoconf substitute
1490 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
1492 * haifa-sched.c (schedule_block): If the first real insn in a
1493 block has any special notes attached to it, remove them.
1495 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
1497 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
1499 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1501 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
1503 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
1505 * Makefile.in (check-g77): New test target.
1506 (CHECK-TARGETS): Add check-g77.
1508 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1510 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
1512 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
1514 * flow.c (print_rtl_with_bb): Cast alloca return value for
1517 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
1519 * i386.h (RETURN_ADDR_RTX): New definition that works for
1520 __builtin_return_address(0) and -fomit-frame-pointer.
1522 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
1524 Bring over from FSF.
1525 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
1527 * mips.c (function_arg): Handle passing a struct
1528 containing a double in a DFmode register without the PARALLEL.
1530 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
1532 * pexecute.c: Use spawn if __CYGWIN32__.
1534 * pexecute.c: Include "config.h" first, as per autoconf manual
1535 (from Paul Eggert <eggert@twinsun.com>).
1537 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1539 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
1540 optimisation for f/expr.o and f/stb.o.
1542 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
1544 * cse.c (this_insn_cc0_mode): Initialize.
1546 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
1548 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
1550 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
1552 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
1554 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
1555 that pair will dual-issue on the 21164 and plus+beq won't.
1556 (bne): Likewise for cmpeq+beq.
1558 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
1560 * except.c (find_exception_handler_labels): Correct argument to free.
1562 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
1564 * except.c (find_exception_handler_labels): Free LABELS when we're
1567 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
1569 * version.c: Bump for snapshot.
1571 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1573 * flow.c (find_basic_blocks): Mark calls as potentially jumping
1576 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
1578 * configure.in: Substitute for "install" too.
1579 * configure: Rebuilt.
1581 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
1583 * Makefile.in (bootstrap-lean, compare-lean): New targets.
1585 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
1587 * alias.c (base_alias_check): Two symbols can conflict if they
1588 are accessed via AND.
1589 (memrefs_conflict_p): Likewise.
1591 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
1592 after flushing argument registers to the stack.
1594 * Makefile.in (mostlyclean): Remove .regmove files.
1596 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1598 * libgcc2.c (__throw): Fix thinko.
1600 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
1602 * cplus-dem.c (demangle_template): Add new parameter. Handle new
1603 template-function mangling.
1604 (consume_count_with_underscores): New function.
1605 (demangle_signature): Handle new name-mangling scheme.
1607 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1609 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
1612 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
1614 * frame.c: Remove last change.
1615 * dwarf2.h: Remove last change.
1616 * tree.h: Add declarations of DWARF2 unwind info support
1619 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1621 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
1622 * tree.h (built_in_function): Likewise.
1623 * expr.c (expand_builtin): Likewise.
1624 * except.h: Likewise.
1625 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
1626 * libgcc2.c (copy_reg): New fn.
1629 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
1631 * c-typeck.c (build_binary_op): Warn about comparing signed vs
1632 unsigned if -W is specified and -Wno-sign-compare is not.
1633 * c-decl.c (warn_sign_compare): Initialize to -1.
1634 (c_decode_option): -Wall no longer implies -Wsign-compare.
1636 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1638 * frame.c: Include gansidecl.h for PROTO.
1639 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
1640 defined. Don't declare dwarf2out_cfi_label here.
1641 * dwarf2.h: Add declarations of DWARF2 unwind info support
1643 * m68k.c: Include dwarf2.h.
1644 (output_function_prologue): Add dwarf2 support.
1645 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
1646 (INCOMING_FRAME_SP_OFFSET): Likewise.
1648 * integrate.c (expand_inline_function): Make sure there is at
1649 least one insn that can be used as an insertion point.
1651 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1653 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
1655 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
1657 * version.c: Bump for snapshot.
1659 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
1661 Bring over from FSF.
1663 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
1665 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
1666 (get_pc_via_rdpc): Renamed from get_pc_sp64.
1667 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
1669 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
1671 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
1672 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
1674 (sparc_align_{loops,jumps,funcs}_string): Declare.
1675 (sparc_align_{loops,jumps,funcs}): Declare.
1676 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
1677 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
1678 (STACK_BIAS): Define.
1679 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
1681 (SPARC_SETHI_P): New macro.
1682 (CONST_OK_FOR_LETTER_P): Use it.
1683 (ASM_OUTPUT_ALIGN_CODE): Define.
1684 (ASM_OUTPUT_LOOP_ALIGN): Define.
1685 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
1686 (sparc_align_{loops,jumps,funcs}): New globals.
1687 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
1689 (move_operand): Use SPARC_SETHI_P.
1690 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
1692 (arith11_double_operand): Likewise.
1693 (arith10_double_operand): Likewise.
1694 (finalize_pic): Finish sparc64 support.
1695 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
1696 64 bit constants if able.
1697 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
1698 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
1700 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
1701 (get_pc_sp32): Use for sparc64 as well.
1702 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
1703 (sethi_di_sp64_const): Likewise.
1704 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
1705 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
1706 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
1708 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
1710 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
1711 * sparc/linux.h (COMMENT_BEGIN): Likewise.
1712 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
1714 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
1716 Add sparc64 linux support.
1717 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
1718 to xm_file list on 32-bit sparc-linux.
1719 * sparc/xm-sp64.h: New file.
1720 * sparc/linux64.h: New file.
1721 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
1722 Don't include xm-sparc.h.
1723 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
1724 * glimits.h (LONG_MAX): Handle sparc64.
1726 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
1728 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
1729 * sparc.h (ASM_COMMENT_START): Define.
1730 * sparc.c (output_function_prologue): Use it.
1731 (sparc_flat_output_function_{epi,pro}logue): Likewise.
1733 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
1735 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
1736 use sparc.h's copies.
1737 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
1740 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1742 * sparc.c (dwarf2out_cfi_label): Add declaration.
1743 (save_regs, output_function_prologue): Remove cast for it.
1744 (sparc_flat_{save_restore,output_function_prologue): Likewise.
1745 ({save,restore}_regs): No longer inline.
1747 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1749 * fold-const.c (make_range): Correctly handle cases of converting
1750 from unsigned to signed type.
1752 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1754 * fold-const.c (merge_ranges): Make sure that if one range is subset
1755 of another, it will always be the second range. Correct (+,-) case to
1758 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1760 * final.c (final_end_function): Also do dwarf2 thing if
1761 DWARF2_DEBUGGING_INFO.
1762 (final_start_function): Likewise.
1764 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
1766 * expmed.c (expand_divmod): If compute_mode is not the same as
1767 mode, handle the case where convert_modes() causes op1 to no
1768 longer be a CONST_INT.
1770 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
1771 note holding get_jump_flags() calculation to all JUMP_INSNs.
1772 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
1773 * rtl.c (reg_note_name): Add new note types.
1775 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
1777 * rtlanal.c (computed_jump_p): Fix typo in last change.
1779 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1781 * loop.c (indirect_jump_in_function_p): Return 0
1784 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
1786 * rs6000/xm-rs6000.h: Fix thinko in last change.
1787 * rs6000/xm-sysv4.h: Likewise.
1789 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
1791 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
1793 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
1795 * reg-stack.c (find_blocks): Fix thinko in last change.
1797 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1799 * m68k.c (output_function_prologue): Add dwarf2 support.
1801 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
1802 INCOMING_FRAME_SP_OFFSET): New definitions.
1804 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
1806 * combine.c (try_combine): Use NULL_RTX instead of '0' where
1807 appropriate in calls to gen_rtx().
1808 * cse.c (cse_main): Likewise.
1809 * emit-rtl.c (gen_label_rtx): Likewise.
1810 * expr.c (init_expr_once): Likewise.
1811 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
1812 sched_analyze, init_rgn_data_dependences,
1813 compute_block_backward_dependences): Likewise.
1814 * sched.c (schedule_insns): Likewise.
1815 * varasm.c (immed_double_const): Likewise.
1817 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
1818 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
1820 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
1822 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
1823 (MULTILIB_DEFAULTS): Define.
1824 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
1825 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
1826 (LIBGCC_SPEC): Likewise.
1827 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
1828 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
1829 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
1830 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
1831 (EXTRA_PARTS, TAROUTOPTS): Delete.
1832 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
1833 (MULTILIB_OPTIONS): Define.
1834 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
1835 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
1837 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
1839 * version.c: Bump for snapshot.
1841 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
1843 * loop.c (loop_number): Delete function. Change all references
1844 to use uid_loop_num array.
1845 * loop.h (loop_number): Delete declaration.
1846 * unroll.c (unroll_loop): Change "loop_number" references to
1847 use uid_loop_num instead.
1849 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
1851 (loop_unroll_iter): Remove unused variable and all references.
1852 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
1853 (insert_bct): Fix minor formatting problems.
1854 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
1855 (loop_unroll_iter): Removed unused decl.
1856 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
1857 Always record the unrolling factor.
1859 * cse.c (simplify_relational_operation): Set h0u just like h0s.
1860 Similarly for h1u and h1s.
1862 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
1863 (find_basic_blocks): Use computed_jump_p to determine if a
1864 particular JUMP_INSN is a computed jump.
1865 * reg-stack.c (find_blocks): Use computed_jump_p to determine
1866 if a particular JUMP_INSN is a computed jump.
1867 * rtlanal.c (jmp_uses_reg_or_mem): New function.
1868 (computed_jump_p): Likewise.
1869 * rtl.h (computed_jump_p): Declare.
1870 * genattrtab.c (pc_rtx): Define and initialize.
1871 * loop.c (loop_optimize): Always determine if the current
1872 function has a computed jump.
1873 (indirect_jump_in_function_p): Use computed_jump_p to determine
1874 if a particular JUMP_INSN is a computed jump.
1876 * loop.c (fix_bct_param): Delete unused function.
1877 (check_bct_param): Likewise.
1879 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1881 * frame.c (__deregister_frame): Check properly for initialized object.
1883 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1885 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
1887 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1889 * jump.c (thread_jumps): check can_reverse_comparison_p before
1890 threading a reversed-condition jump.
1892 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
1893 * haifa-sched.c (update_flow_info): Likewise.
1895 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
1897 * Makefile.in (BOOT_CFLAGS): Use -O2.
1899 * configure.in (strtoul, bsearch): Have autoconf check for these
1901 * configure, config.in: Rebuilt.
1903 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
1904 * mips/mips.h (alloca): Likewise.
1905 * rs6000/xm-rs6000.h (alloca): Likewise.
1906 * rs6000/xm-sysv4.h: Likewise.
1908 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
1910 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
1911 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
1912 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
1914 * except.c (end_eh_unwinder): Subtract 1 from return address.
1915 * libgcc2.c (__throw): Likewise.
1916 (find_exception_handler): Don't change PC here. Compare end with >.
1918 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
1920 * v850.c (compute_register_save_size): Correct register
1922 * v850.md (save_interrupt, return_interrupt): Correct
1924 * v850/lib1funcs.asm (save_interrupt): Correct register number.
1925 (return_interrupt): Use stack pointer, not element pointer.
1927 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
1929 * configure.in, configure: Make sure to create the stage* and include
1930 symbolic links in each subdirectory.
1932 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
1934 * pa.md (reload_peepholes): Don't allow addresses with side
1935 effects for the memory operand.
1937 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1939 * libgcc2.c (find_exception_handler): Subtract one from our PC when
1940 looking for a handler, to avoid hitting the beginning of the next
1943 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
1945 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
1947 * mips/abi64.h (LONG_MAX_SPEC): Define.
1948 * mips.h (LONG_MAX_SPEC): Define.
1949 (CPP_SPEC): Include long_max_spec.
1950 (EXTRA_SPECS): Include long_max_spec.
1952 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
1954 * v850.c (construct_save_jarl): Fix thinko in last change.
1956 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
1958 * version.c: Bump for snapshot.
1960 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1962 * libgcc2.c (find_exception_handler): Not found is -1.
1964 * integrate.c (expand_inline_function): Move expand_start_bindings
1965 after expanding the arguments.
1967 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
1969 * expr.c (expand_expr): Remove previous incorrect change.
1970 If target and slot has no DECL_RTL, then call mark_addressable
1971 again for the slot after we give it RTL.
1973 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
1975 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1976 again for the slot after we give it RTL.
1978 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
1980 * v850.c (register_is_ok_for_epilogue,
1981 pattern_is_ok_for_epilogue, construct_restore_jr,
1982 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
1984 * v850.h (pattern_is_ok_for_prologue,
1985 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
1988 * v850.md: Replace prologue and epilogue patterns with a
1989 match_parallel pattern.
1991 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
1993 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
1994 * configure.in: Use EGCS_PROG_INSTALL.
1996 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
1998 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
1999 extern inline function.
2001 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
2003 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
2004 (concat_loc_descriptor): New function.
2005 (loc_descriptor): Call it.
2006 (add_AT_location_description): Also elide the descriptor if both
2007 halves of a CONCAT are pseudos.
2008 (add_location_or_const_value_attribute): Recognize CONCAT too.
2010 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
2012 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
2014 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
2015 out-or-range reg_offset.
2016 (output_epilog): Likewise.
2018 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
2020 * cse.c (simplify_relational_operation): If MODE specifies a
2021 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
2022 is derived from the sign bit of the low word.
2024 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2026 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
2028 * dwarf2.h: Add DW_CFA_GNU_args_size.
2029 * frame.c (execute_cfa_insn): Likewise.
2030 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
2031 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
2032 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
2033 insn, hand it off to dwarf2out_stack_adjust.
2034 (dwarf2out_begin_prologue): Initialize args_size.
2035 * frame.h (struct frame_state): Add args_size.
2036 * libgcc2.c (__throw): Use args_size.
2037 * final.c (final_scan_insn): If we push args, hand off all insns
2038 to dwarf2out_frame_debug.
2039 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
2041 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
2042 Handle epilogue restore of SP from FP.
2043 * emit-rtl.c (gen_sequence): Still generate a sequence if the
2044 lone insn has RTX_FRAME_RELATED_P set.
2046 * frame.c (extract_cie_info): Handle "e" augmentation.
2047 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
2048 absence of UNALIGNED_*_ASM_OP.
2049 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
2050 (output_call_frame_info): Use "e" instead of "z" for augmentation.
2051 Don't emit augmentation fields length.
2052 (dwarf2out_do_frame): Move outside of #ifdefs.
2053 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
2056 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
2057 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
2058 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
2059 * sparc/sun4gas.h: New file.
2060 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
2062 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
2063 __register_frame_table and __deregister_frame.
2065 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
2067 * except.c (find_exception_handler_labels): Use xmalloc instead of
2068 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
2071 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
2073 * Makefile.in: Various changes to build info files
2074 in the object tree rather than the source tree.
2076 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
2078 * fixinc.math: New file to fix math.h on some systems.
2079 * configure.in (freebsd, netbsd): Use fixinc.math on these
2081 * configure: Rebuilt.
2083 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
2085 * regmove.c (regmove_optimize): If we end up moving the
2086 original insn due to lifetime overlaps, make sure to move
2089 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
2091 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
2093 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
2095 * haifa-sched.c (add_branch_dependences): Make each insn in
2096 a SCHED_GROUP_P block explicitly depend on the previous insn.
2098 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2100 * except.h: Prototype dwarf2 hooks.
2103 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
2105 * configure.in (native_prefix): Delete.
2106 (mips-dec-netbsd): Don't set prefix.
2107 (*linux*): Don't set prefix.
2109 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
2111 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
2112 defined. If not defined, include <sys/varargs.h> if
2113 HAVE_SYS_VARARGS_H is defined.
2114 * configure.in: Test for varargs.h and sys/varargs.h.
2115 * configure: Regenerate with autoconf.
2116 * config.in: Regenerate with autoheader.
2118 * cpplib.c (quote_string): Cast first arg of sprintf call
2119 from "unsigned char *" to "char *".
2120 (output_line_command): Ditto.
2121 (macroexpand): Ditto.
2122 (do_line): Cast atoi arg from "unsigned char *" to "char *".
2124 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
2126 * version.c: Bump for snapshot.
2128 * Makefile.in (compare): Exit with nonzero status if there
2129 are comparison failures. Note which files failed the
2130 comparison test in .bad_compare.
2132 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2134 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
2136 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
2138 * Makefile.in (LN, LN_S): New macros, use where appropriate.
2139 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
2140 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
2141 * configure: Regenerated.
2143 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
2145 * loop.c (strength_reduce): Fix typo.
2147 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
2149 * m88k/m88k.c (struct option): Rename to struct options.
2150 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
2151 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
2152 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
2153 __DOLPHIN__ or sysV88.
2155 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
2157 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
2160 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
2162 * config.sub: Accept 'amigados' for backward compatability.
2164 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2166 * Makefile.in (testsuite/site.exp): New target.
2167 (check-gcc, check-g++): Depend on testsuite/site.exp.
2168 Don't stop for failure.
2170 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
2172 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
2173 if DWARF2_UNWIND_INFO.
2175 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
2177 Add support for exception handling using DWARF 2 frame unwind info.
2178 Currently works on SPARC and MIPS, and almost on x86.
2180 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
2181 next_stack_level, in_reg_window): Helper fns.
2182 (__throw): Implement for DWARF2_UNWIND_INFO.
2184 * expr.c (expand_builtin): Handle builtins used by __throw.
2185 * tree.h (enum built_in_function): Add builtins used by __throw.
2186 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
2187 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
2188 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
2189 (expand_builtin_extract_return_addr): Likewise.
2190 (expand_builtin_frob_return_addr): Likewise.
2191 (expand_builtin_set_return_addr_reg): Likewise.
2192 (expand_builtin_eh_stub): Likewise.
2193 (expand_builtin_set_eh_regs): Likewise.
2194 (eh_regs): Choose two call-clobbered registers for passing back values.
2196 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
2197 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
2198 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
2199 (stmp-multilib): Likewise.
2200 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
2202 * except.c: #include "defaults.h".
2203 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
2204 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
2205 (register_exception_table_p): New fn.
2206 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
2207 (end_eh_unwinder): Likewise.
2209 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
2210 call __register_frame and __deregister_frame as needed.
2211 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
2212 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
2213 EH_FRAME_SECTION_ASM_OP.
2214 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
2215 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
2216 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
2218 * dwarf2out.c (output_call_frame_info): If no support for
2219 EXCEPTION_SECTION, mark the start of the frame info with a
2221 * collect2.c (frame_tables): New list.
2222 (is_ctor_dtor): Recognise frame entries.
2223 (scan_prog_file): Likewise.
2224 (main): Pass -fno-exceptions to sub-compile. Also do collection
2225 if there are any frame entries.
2226 (write_c_file_stat): Call __register_frame_table and
2227 __deregister_frame as needed.
2228 (write_c_file_glob): Likewise.
2230 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
2231 Also require unaligned reloc support.
2232 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2233 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
2234 * sparc/sysv4.h: Not here.
2236 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
2237 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
2238 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
2240 * libgcc2.c (L_eh): Reorganize, moving code shared by different
2241 EH implementations to the top.
2242 (find_exception_handler): Split out. Start from 0. Compare against
2244 (__find_first_exception_table_match): Use it.
2245 * except.c (output_exception_table): Don't do anything if there's
2246 no table. Don't output a first entry of zeroes.
2247 (eh_outer_context): Adjust properly.
2248 (add_eh_table_entry): Use xrealloc.
2249 * toplev.c (compile_file): Just call output_exception_table.
2251 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
2253 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
2255 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
2257 * except.c (eh_outer_context): Do masking using expand_and.
2259 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
2261 Add port done awhile ago for the ARC cpu.
2262 * arc/arc.h: New file.
2263 * arc/arc.c: New file.
2264 * arc/arc.md: New file.
2265 * arc/initfini.c: New file.
2266 * arc/lib1funcs.asm: New file.
2267 * arc/t-arc: New file.
2268 * arc/xm-arc.h: New file.
2269 * ginclude/va-arc.h: New file.
2270 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
2271 * ginclude/varargs.h: Likewise.
2272 * Makefile.in (USER_H): Add va-arc.h.
2273 * configure.in (arc-*-elf*): Recognize.
2274 * longlong.h: Add ARC support.
2276 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
2278 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
2279 when clearing non-BLKmode data.
2281 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
2283 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
2284 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
2286 * xm-m88k.h (USG): Only define if it hasn't already been defined.
2288 * Makefile.in (risky-stage1): Delete gratutious whitespace.
2290 * Makefile.in (clean): Delete libgcc1-test.
2292 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
2294 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
2296 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
2299 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2301 * dwarf2out.c (output_call_frame_info): Call named_section.
2303 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
2305 * haifa-sched.c (print_value): Fix last change.
2307 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
2309 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
2312 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
2314 * mips.c (function_prologue): Set up the CFA when ABI_32.
2316 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
2317 for dwarf2 unwind info.
2318 (output_function_prologue, sparc_flat_output_function_prologue): Same.
2320 * final.c (final_end_function): Check dwarf2out_do_frame instead
2321 of DWARF2_DEBUG for dwarf2 unwind info.
2322 (final_scan_insn): Likewise.
2323 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
2326 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
2329 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
2331 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
2333 * v850.h (ASM_SPEC): Pass on target processor.
2334 (CPP_PREDEFINES): Only define if not already specified.
2335 (TARGET_VERSION): Only define if not already specified.
2336 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
2338 (EXTRA_SWITCHES): Extra entries in the switches array.
2339 (TARGET_DEFAULT): Set default target processor.
2341 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
2343 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
2344 cases, add %# and %/, and add : to make them into extended asms.
2346 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
2348 * alias.c (init_alias_analysis): Clean up incompatible pointer
2349 type warning in bzero.
2350 * regmove.c (regmove_optimize): Ditto.
2351 * haifa-sched.c (find_rgns): Ditto.
2353 * haifa-sched.c (print_value): Clean up ptr->int cast
2356 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
2358 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
2359 * install.texi (Configurations): Ditto.
2360 * config.sub: Ditto.
2362 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
2364 * Makefile.in (sdbout.o): Depend on insn-config.h.
2366 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
2368 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
2369 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
2371 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
2373 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
2374 prologue insn, only the first elt is significant.
2375 (output_call_frame_info): For exception handling, always use 4-byte
2376 fields as specified by the dwarf2 spec.
2377 Don't skip trivial FDEs.
2379 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
2381 * version.c: Bump for snapshot.
2383 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
2385 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
2386 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
2389 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
2391 * final.c (shorten_branches): During first pass, assume worst
2392 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
2394 * Makefile.in (distclean): Remove various things left around
2395 by running the testsuite.
2397 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
2399 * configure.in (out_file): Emit definition to config.status in order
2400 to have a defined value for configure.lang.
2401 * configure: Re-built.
2403 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
2405 * configure.in: Make symlink to as-new rather than as.new. Similarly
2407 * configure: Rebuilt.
2409 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
2411 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
2413 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
2415 * sparc/sparc.md: Add ultrasparc scheduling support.
2416 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
2418 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2420 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
2421 as initial value for real_label_map.
2422 (copy_for_inline): Likewise.
2424 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2426 * sched.c (update_flow_info) When looking if to set found_split_dest
2427 or found_orig_dest, look at all parts of a PARALLEL.
2428 * haifa-sched.c (update_flow_info): Likewise.
2430 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
2432 * v850: New directory for v850 port.
2433 * v850/lib1funcs.asm: New file.
2434 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
2435 * ginclude/va-v850.h: New file.
2436 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
2437 * configure.in (mn10200-*-*): New target.
2438 * configure: Rebuilt.
2439 * config.sub: Handle v850-elf.
2440 * Makefile.in (USER_H): Add va-mn10200.h.
2441 * invoke.texi: Document v850 stuff.
2443 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
2445 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
2446 has integer TYPE_{MAX,MIN}_VALUE before using them.
2448 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
2449 __HPUX_ASM__ versions.
2451 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
2453 * install.sh: Delete duplicate install script.
2455 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
2457 * reg-stack.c (subst_stack_regs): Pop the stack register for a
2458 computed goto which sets the same stack register.
2460 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
2461 destination are both on the regstack.
2462 (subst_stack_regs_pat): Put the destination at the top of the regstack.
2464 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
2466 * mips.md (nonlocal_goto_receiver): Define.
2468 * profile.c (output_arc_profiler): Check next_insert_after for non
2469 NULL before deferencing it.
2471 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
2473 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
2475 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
2477 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
2479 * toplev.c (rest_of_compilation): For passes starting with
2480 flow_analysis, use print_rtl_with_bb instead of print_rtl.
2482 * print-rtl.c (print_rtl_single): Print a single rtl value to a
2485 * flow.c (print_rtl_with_bb): Print which insns start and end
2486 basic blocks. For the start of a basic block, also print the live
2489 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
2491 * toplev.c (main): Change #elif to #else/#ifdef
2493 * tlink.c: Include ctype.h.
2494 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
2496 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
2498 * bitmap.c: Conditionally include stdlib.h.
2499 (free): Provide a declaration if NEED_DECLARATION_FREE.
2501 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
2503 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
2505 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
2507 * profile.c (output_arc_profiler): Verify next_insert_after is an
2508 INSN before and after skipping a stack pop.
2510 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2512 * final.c (shorten_branches): Don't count the lengths of deleted
2515 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
2517 * version.c: Bump for snapshot.
2519 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
2521 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
2522 two bitmaps ANDed together.
2523 (bitmap_print): Declare.
2525 * bitmap.c (function_obstack): Don't declare any more.
2526 (bitmap_obstack): Obstack for allocating links from.
2527 (bitmap_obstack_init): New static to say whether to initialize
2529 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
2530 (bitmap_release_memory): Free all memory allocated from
2533 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
2534 EXECUTE_IF_AND_IN_BITMAP.
2536 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
2538 * alias.c (true_dependence): Address with AND can alias scalars.
2539 (anti_dependence, output_dependence): Likewise.
2541 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
2543 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
2545 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
2546 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
2547 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
2548 definitions. Use -qrtems instead of -mrtems.
2550 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
2552 * xm-sco5.h (sys_siglist): Define.
2553 (SYS_SIGLIST_DECLARED): Likewise.
2555 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
2557 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
2559 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
2561 * except.c (eh_outer_context): Expand masking operation using
2564 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
2566 * alpha.md (floatdisf2-1): New pattern.
2568 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
2570 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
2571 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
2572 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
2573 * gcc.texi: Note that if you define sys_siglist that you should
2574 also define SYS_SIGLIST_DECLARED.
2576 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
2577 are relative to the next instruction, not the current instruction.
2579 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
2581 * local-alloc.c (contains_replace_regs): New function.
2582 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
2583 verify that there is no existing REG_EQUIV note, and add a call to
2584 contains_place_regs.
2586 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2588 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
2589 (STARTFILE_SPEC): Always use crtbegin.o%s
2590 (ENDFILE_SPEC): Always use crtend.o%s.
2592 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
2594 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
2596 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
2597 SFmode for 64 bit hosts.
2599 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
2601 * fixincludes: Permits spaces between # and define. Discard C++
2602 comments in sys/pci.h on HP/UX 10.20.
2604 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
2606 * version.c: Bump for snapshot.
2608 * pa.c (restore_unscaled_index_insn_codes): New function.
2609 (record_unscaled_index_insn_codes): Likewise.
2610 (output_function_prologue): Call restore_unscaled_index_insn_codes.
2611 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
2612 (pa_reorg): Call record_unscaled_index_insn_codes.
2614 * haifa-sched.c (move_insn): Handle notes correctly for insns
2615 with SCHED_GROUP_P set.
2617 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2619 * alpha/xm-linux.h (USE_BFD): Undef before define.
2621 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
2623 * cse.c (cse_insn): Don't record BLKmode values.
2625 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
2627 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
2629 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
2631 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
2632 * collect2.c (sys_errlist): Likewise.
2633 * cpplib.c (sys_errlist): Likewise.
2634 * gcc.c (sys_errlist): Likewise.
2635 * protoize (sys_errlist): Likewise.
2636 * configure.in: Check for strerror.
2637 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
2638 * xm-gnu.h (HAVE_STRERROR): Likewise.
2639 * xm-linux.h (HAVE_STRERROR): Likewise.
2640 * xm-netbsd.h (HAVE_STRERROR): Likewise.
2641 * xm-bsd386.h (HAVE_STRERROR): Likewise.
2642 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
2643 * xm-dos.h (HAVE_STRERROR): Likewise.
2644 * xm-mingw32.h (HAVE_STRERROR): Likewise.
2645 * xm-pa.h (HAVE_STRERROR): Likewise.
2646 * xm-papro.h (HAVE_STRERROR): Likewise.
2647 * xm-sysv4.h (HAVE_STRERROR): Likewise.
2648 * configure, config.in: Rebuilt.
2650 * Makefile.in: Add several missing "else true" clauses.
2652 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
2653 * mips-tfile.c: Likewise.
2654 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
2655 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
2656 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
2657 * configure.in: Check for sys_siglist declaration.
2658 * configure, config.in: Rebuilt.
2660 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
2662 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
2663 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
2664 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
2665 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
2666 * rs6000/sysv4.h (extra_subtarget_switches): Added new
2667 macro EXTRA_SUBTARGET_SWITCHES.
2668 * configure.in (sh*-*-rtems*): New target.
2669 * sh/rtems.h: New file.
2670 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
2671 * configure: Rebuilt.
2673 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
2675 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
2677 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
2679 * rs6000.md: Make DF fused-add operations pay attention to
2682 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
2684 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
2686 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
2688 * pa.md (reload_peepholes): Make sure operand is a REG before
2689 examining REGNO. Allow general registers too.
2691 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
2693 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
2695 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
2697 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
2698 to reallocate abbrev_die_table.
2700 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
2702 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
2704 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2706 * Makefile.in (config.status): Depend on version.c
2708 * expr.h (insn_gen_function): Reenable prototype.
2710 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
2713 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
2715 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
2717 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
2719 * version.c: Bump for latest snapshot.
2721 * bc-optab.c: Conditionally include stdlib.h.
2722 (free): Provide a declaration if NEED_DECLARATION_FREE.
2723 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
2724 * rtl.h (free): Remove declaration.
2725 * tree.h (free): Remvoe declaration.
2727 * configure: Rebuilt.
2729 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
2731 * flags.h (flag_move_all_movables): Declare.
2732 (flag_reduce_all_givs): Likewise.
2733 * loop.c (move_movables): Handle flag_move_all_movables.
2734 (strength_reduce): Handle flag_reduce_all_givs.
2735 * toplev.c (flag_move_all_movables): Define.
2736 (flag_reduce_all_givs): Likewise.
2737 (f_options): Add -fmove-all-movables and -freduce-all-givs.
2738 * invoke.texi: Document new options, including alias stuff that
2739 wasn't included last time.
2741 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
2743 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
2746 * t-vxworks68: Ditto.
2747 * t-vxworks960: Ditto.
2750 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
2752 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
2753 if not already defined, and USE_C_ALLOCA not defined.
2755 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
2757 * config.guess: Replace with script that uses ../config.guess.
2759 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
2760 if USE_GNULIBC_1 is not defined.
2762 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
2764 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
2765 * config.guess: Recognize alpha-linux-gnulibc1.
2766 * configure.in (alpha-*-linux-gnulibc1): New target.
2767 (alpha-*-linux-gnu*): Don't build crtbegin/end.
2769 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
2771 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
2774 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
2776 * loop.c (combine_movables): Earlier insns don't match later ones.
2778 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2780 * config/linux.h (CC1_SPEC): Define it only if not defined.
2782 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
2785 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
2786 USE_GNULIBC_1 is not defined.
2788 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
2790 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
2791 as 1 if USE_GNULIBC_1 is not defined.
2793 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
2795 * reorg.c (dbr_schedule): Allow current_function_return_rtx
2796 to be something other than a REG.
2797 * function.c (expand_function_end): Fix current_function_return_rtx
2800 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
2801 * x-netbsd: Likewise
2802 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
2803 (INSTALL_HEADERS): Delete.
2804 * x-dguxbcs: Likewise.
2805 * x-hp3bsd44: Likewise
2808 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2810 * i386.md (pop): pop increments the stack pointer.
2811 (prologue_set_stack_ptr): New pattern.
2812 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
2815 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
2817 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
2818 address where an offsettable address is required.
2820 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
2822 * loop.c (check_final_value): Don't miss a biv increment in a
2825 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
2827 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
2828 TYPE_DECL_IS_STUB instead of DECL_NAME.
2830 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2832 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
2834 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
2836 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
2838 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
2840 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
2841 (find_post_sched_live): Likewise.
2843 * haifa-sched.c (schedule_block): Remove old code to get arguments
2844 from hard regs into pseudos early.
2846 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
2848 * version.c: Bump for new snapshot.
2850 * local-alloc.c (update_equiv_regs): All the target to reject
2851 promotion of some REG_EQUAL to REG_EQUIV notes.
2852 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
2854 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
2857 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
2858 store of the argument registers.
2860 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
2862 * fold-const.c (multiple_of_p): New function.
2863 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
2865 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
2867 * expr.h (insn_gen_function): Temporarily remove prototype.
2869 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
2871 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
2872 filenames. Use sed to extract base filename for install.
2874 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
2876 * unroll.c (find_splittable_givs): Only share if two givs have the
2877 same add and multiply values.
2879 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
2881 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
2882 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
2884 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
2886 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
2887 around branch tables.
2888 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
2889 and .end_brtab directives if TARGET_GAS.
2891 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
2893 * alias.c (true_dependence): Pass x_addr not x to varies.
2895 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
2896 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
2897 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
2899 * config.in, configure: Regenerate.
2901 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
2903 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
2905 (record_set): Handle LO_SUM like PLUS.
2906 (init_alias_analysis): When following chains of base addresses,
2907 do not stop on reaching a hard register.
2909 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
2911 * version.c: Bump for new snapshot.
2913 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
2915 * alpha.h (ARCH_ASM_FILE_START): Define.
2916 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
2917 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
2919 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
2921 * Makefile.in (install-common): Put gcov comment at start of line.
2923 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
2925 * alias.c (init_alias_analysis): When simplifying the reg_base_value
2926 array, simplify entries for hard registers too.
2928 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
2930 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
2933 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
2935 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
2936 block_stack before dereferencing it.
2938 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
2940 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
2942 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2944 * cplus-dem.c: Add 'extern' to prepends_underscore.
2946 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
2948 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
2949 (get_issue_rate): Delete.
2950 * pa.h (ISSUE_RATE): Define.
2952 * configure.in: Turn on haifa by default for the PA.
2953 * configure: Rebuilt.
2954 * pa.c (override_options): Accept -mschedule=7200 option.
2955 (pa_adjust_cost): No longer need to scale costs for newer
2957 * pa.h (enum processor_type): Add PROCESSOR_7200.
2958 * pa.md: Revamp scheduling parameters to work better with
2959 haifa. Add scheduling parameters for the 7200.
2961 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
2963 (schedule_block): When adjusting basic_block_{head,end}, account
2964 for movement of SCHED_GROUP_P insns too.
2966 * haifa-sched.c (debug_dependencies): Fix thinko.
2968 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
2969 (site.exp, check, check-g++, check-gcc): New targets.
2971 * haifa-sched.c: Make lots of variables static.
2973 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2975 * expr.h, real.h: Finish prototyping.
2977 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
2979 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
2980 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
2981 * reload1.c: Undo bugfix from Aug 11.
2983 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
2985 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
2986 quotes around the name.
2987 * configure: Regenerate.
2989 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
2991 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
2993 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
2995 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
2996 to sub-makes to avoid building more passes than the user might have
2997 requested on the command line.
2999 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
3001 * configure.in: Expurgate `broken_install' (install is
3004 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
3007 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
3009 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
3010 functions and declarations.
3011 (analyze_loop_iterations): Use condjump_p.
3012 (insert_bct): Likewise. Use exact_log2.
3014 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
3016 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
3017 (schedule_region): Likewise.
3018 (schedule_insns): Likewise.
3020 * PROJECTS: Update with Haifa stuff.
3022 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
3024 * version.c: Change the version string to look like:
3025 egcs-2.90.00 970814 (gcc2-970802 experimental).
3027 * loop.c (is_conditional_branch): Make definition match declaration.
3029 * gcc.c: Take out experimental snapshot warning message.
3031 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
3033 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
3034 print out the names of the notes. Print out the name of the insn
3035 that is not a note, and not an {,CALL_,JUMP_}INSN.
3037 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3039 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3040 again for the slot after we give it RTL.
3042 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
3044 * configure.in (haifa configury): Fix typo.
3045 * configure: Regenerate.
3047 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
3049 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
3051 * gcc.info*: Rebuilt.
3053 * COPYING.g77, README.g77: New files.
3054 * real.c (ereal_unto_float, ereal_unto_double): New functions.
3055 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
3056 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
3058 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
3060 * Integrate Haifa instruction scheduler.
3061 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
3062 to sched with $(SCHED_CFLAGS.
3063 * configure.in: Handle --enable-haifa.
3064 * configure: Rebuilt.
3065 * flags.h: Add new flags for haifa instruction scheduler.
3066 * genattrtab.c (expand_units): For haifa, don't subtract one
3067 when computing blockage.
3068 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
3069 (flag_schedule_speculative): Ditto.
3070 (flag_schedule_speculative_load): Ditto.
3071 (flag_schedule_speculative_load_dangerous): Ditto.
3072 (flag_schedule_reverse_before_reload): Ditto.
3073 (flag_schedule_reverse_after_reload): Ditto.
3074 (flag_branch_on_count_reg): Ditto.
3075 (f_options): Add Haifa switches.
3076 (main): Turn off some Haifa options if appropriate macro is
3077 defined. Process Haifa switches.
3078 * unroll.c (iteration_info): No longer static, since Haifa
3080 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
3081 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
3082 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
3083 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
3084 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
3085 storage for the Haifa scheduler.
3086 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
3088 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
3089 are defined, call analyze_loop_iterations and insert_bct to use
3091 (record_giv): Refine test for jumps out of loops if HAIFA is
3093 (analyze_loop_iterations): New function to identify if we can use
3095 (insert_bct): Insert countdown loop.
3096 (instrument_loop_bct): Low level code to insert countdown loop.
3097 (loop_number): Calculate UID of loop.
3098 (indirect_jump_in_function_p): Return true if an indirect jump is
3100 (is_power_of_2): Return true if value is a power of 2.
3101 (is_conditional_branch): Return true if insn is a conditional
3103 (fix_bct_param): Process -fbct-{min,max}-N switches.
3104 (check_bct_param): Return true if loop should be instrumented.
3105 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
3106 (loop_optimize): Initialize.
3107 (get_condition_for_loop): Ditto.
3108 * loop.c (strength_reduce): Inside of code that uses #ifdef
3109 HAVE_decrement_and_branch_on_count code, test it to make sure the
3111 (instrument_loop_bct): Ditto.
3112 * haifa-sched.c: New file.
3115 * Integrate regmove pass.
3116 * Makefile.in (OBJS): Add regmove.o
3117 (regmove.o): Add dependencies.
3118 * flow.c (find_use_as_address): No longer static.
3119 * rtl.h (find_use_as_address): Declare.
3120 * toplev.c (regmove_dump, flag_regmove): Define.
3121 (f_options): Add -fregmove.
3122 (regmove_dump_file, regmove_time): Define.
3123 (fatal_insn): Close the regmove dump file.
3124 (compile_file): Initialize regmove_time; open/close the regmove dump
3125 file as needed. Print regmove time as needed.
3126 (rest_of_compilation): Run regmove pass if requested, dump
3127 RTL after regmove if requested.
3128 (main): If -O2 or more, turn on regmove. Handle dump switches.
3129 * regmove.c: New file.
3131 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
3133 * Integrate tlink patch from jason@cygnus.com
3134 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
3135 (process_command): Increment n_switches for them. Don't discard
3136 their args. Validate them.
3137 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
3139 (process_command): Set include_prefixes from COMPILER_PATH.
3140 (main): Set COLLECT_GCC_OPTIONS sooner.
3141 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
3142 * tlink.c, hash.c, hash.h: New files.
3143 * Makefile.in (USE_COLLECT2): Always use collect2.
3144 (collect2): Depend on and link in hash.o and tlink.o.
3145 (tlink.o, hash.o): Add dependencies.
3147 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
3149 * Integrate alias analysis changes from jfc@mit.edu
3150 * Makefile.in (OBJS): Add alias.o
3151 (alias.o): Add dependencies.
3152 * alias.c: New file.
3153 * sched.c: Remove alias analysis code. It lives in alias.c now.
3154 (sched_analyze_2): Add new arguments to true_dependence.
3155 (schedule_insns): Always call init_alias_analysis.
3156 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
3157 mark return value from such functions as a pointer and keep track of
3158 them for alias analysis. If a return value from a function is a
3159 pointer, mark it as such.
3160 * combine.c (distribute_notes): Handle REG_NOALIAS.
3161 * cse.c (struct write_data): Delete. No longer needed.
3162 (invalidate): Don't call set_nonvarying_address_components anymore.
3163 Use true_dependence to decide if an entry should be removed from
3165 (invalidate_memory): Remove WRITES argument, simplify appropriately.
3167 (note_mem_written): Similarly for WRITE_PTR argument.
3168 (invalidate_from_clobbers): Similarly for W argument.
3169 (invalidate_for_call): Remove memory elements from the hash table.
3170 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
3171 (cse_rtx_varies_p): New function. Derived from old
3172 cse_rtx_addr_varies_p.
3173 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
3174 Don't call note_mem_written anymore. Stack pushes invalidate the stack
3175 pointer if PUSH_ROUNDING is defined. No longer need to call
3176 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
3177 (skipped_writes_memory): Remove variable.
3178 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
3179 (invalidate_skipped_block): Simplify for new alias analysis code.
3180 (cse_set_around_loop): Likewise.
3181 (cse_main): Call init_alias_analysis.
3182 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
3183 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
3184 (f_options): Add new alias checking arguments.
3185 (main): Set flag_alias_check when optimizing.
3186 * local_alloc (validate_equiv_mem_from_store): Add new arguments
3188 (memref_referenced_p): Likewise.
3189 * loop.c (NUM_STORES): Increase to 30.
3190 (prescan_loop): Only non-constant calls set unknown_address_altered.
3191 (invariant_p): Add new arguments to true_dependence.
3192 (record_giv): Initialize unrolled and shared fields.
3193 (emit_iv_add_mult): Call record_base_value as needed.
3194 * loop.h (struct induction): Add unrolled and shared fields.
3195 * unroll.c (unroll_loop): Call record_base_value as needed.
3196 (copy_loop_body): Likewise.
3197 (final_biv_value): Likewise.
3198 (final_giv_value): Likewise.
3199 (find_splittable_regs): Likewise. Only create one new pseudo
3200 if we have multiple address GIVs that were combined with the same
3201 dst_reg GIV. Note when a new register is created due to unrolling.
3202 * rtl.c (reg_note_name): Add REG_NOALIAS.
3203 * rtl.h (enum reg_note): Similarly.
3204 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
3205 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
3206 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
3207 (true_dependence, read_dependence, anti_dependence): Likewise.
3208 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
3209 (mark_user_reg, mark_reg_pointer): Likewise.
3212 * Integrate reload bugfix from Wilon which enables the PA port
3214 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
3215 OPERAND_ADDRESS when computing how many registers an insn needs.
3216 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
3218 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
3220 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
3221 in reload_reg_use_in_op_addr do not reach the end.
3222 do not reach the end.
3223 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
3224 RELOAD_FOR_OPERAND_ADDRESS.
3226 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
3228 * egcs project officially starts.