1 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3 * sh.md (attribute "type"): Add nil.
4 (movsi_ie): y/y alternative is type nil.
5 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
9 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
11 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
12 large_int, emit two insns instead of one splitable insn.
13 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
14 from cfa_temp_value, use cfa_offset. Add assert checking that
17 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
19 * cccp.c (deps_output): Properly quote file names for make.
21 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
23 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
25 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
27 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
29 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
31 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
33 (cse_end_of_basic_block): Similarly.
35 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
37 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
38 (SELECT_RTX_SECTION): Define.
39 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
41 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
43 * Makefile.in (compare, compare-lean): Define $stage for each
45 (gnucompare, gnucompare-lean): Likewise.
47 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
49 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
51 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
52 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
54 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
56 * dwarfout.c (byte_size_attribute): Add local var upper_bound
57 and add case to handle STRING_TYPE.
58 * dwarfout.c (output_string_type_die): Fix code to generate
59 correct string length attribute for fixed length strings.
60 Still needs support for varying length strings.
62 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
64 * toplev.c (get_run_time): Do something sensible for cygwin32.
66 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
68 * expr.c (expand_builtin_setjmp): Set
69 current_function_has_nonlocal_label.
70 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
71 call-saved registers across calls.
73 * alpha.md (exception_receiver): Remove.
74 (nonlocal_goto_receiver_osf): New
75 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
76 (nonlocal_goto_receiver): New, select _osf or _vms.
78 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
79 keep them from being propogated to the object file.
80 (alpha_write_linkage): Likewise.
81 * alpha.md (call_vms): Likewise.
82 (call_value_vms): Likewise.
83 (unnamed osf call insns): Likewise.
85 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
86 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
88 * alpha.c (call_operand): Any reg is valid for WinNT.
89 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
90 (anon nt calls): Add 'R' alternative.
91 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
92 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
94 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
96 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
98 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
99 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
100 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
102 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
104 * reload1.c (new_spill_reg): Improve fixed or forbidden register
107 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
109 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
110 use varargs.h. Wrap header with <>, not "".
112 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
114 * integrate.c (save_for_inline_copying): Add return value from
117 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
119 * fixincludes: Be a little more restrictive on what we will
120 substitute to replace definitions of MAXINT for HPUX.
122 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
124 * dbxout.c (dbxout_symbol_location): Don't assume that variables
125 whose address is the stack or argument pointers are indirect
128 1997-11-13 Paul Eggert <eggert@twinsun.com>
130 * cccp.c, cpplib.c (compare_defs):
131 Don't complain about arg name respellings unless pedantic.
132 * cpplib.c (compare_defs): Accept pfile as new arg.
135 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
137 * fold-const.c (fold_truthop): Fix bug in last change.
139 1997-11-13 Paul Eggert <eggert@twinsun.com>
141 Fix some confusion with IEEE minus zero.
143 * real.h (REAL_VALUES_IDENTICAL): New macro.
145 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
146 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
148 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
149 same tree structure as 0.0.
151 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
152 macro instead of doing it by hand.
154 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
156 * v850/lib1funcs.asm: Minor whitespace changes.
157 * v850.c: Fix minor formatting problems in many places.
158 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
160 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
162 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
163 xplus1 when xplus0 is not a register.
165 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
167 * flow.c (find_basic_blocks): During marking phase, if we encounter
168 an insn with a REG_LABEL note, make the target block live and
169 create an edge from the insn to the target block. Do not make
170 edges from all blocks to the target block.
172 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
174 * confiugre.in: Tweak NCR entries.
175 * configure: Rebuilt.
177 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
179 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
180 pick apart floating point values, instead of using CONST_DOUBLE_LOW
181 and CONST_DOUBLE_HIGH.
183 * rs6000.md (define_splits for DF constants): Use the appropriate
184 REAL_VALUE_* interface to pick apart DF floating point constants in
185 a machine independent fashion.
187 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
189 * fold-const.c (fold_truthop): When changing a one-bit comparison
190 against zero into a comparison against mask, do a proper sign
193 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
195 * except.c: Do not include "assert.h".
196 (save_eh_status): Turn asserts into conditional aborts.
197 (restore_eh_status, scan_region): Likewise.
198 * dwarfout.c: Do not include "assert.h".
199 (bit_offset_attribute): Turn asserts into conditional aborts.
200 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
201 (output_inlined_structure_type_die): Likewise.
202 (output_inlined_union_type_die): Likewise
203 (output_tagged_type_instantiation): Likewise.
204 (dwarfout_file_scope_decl): Likewise.
205 * dwarf2out.c: Do not include "assert.h"
206 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
207 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
208 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
209 (add_bit_size_attribute, scope_die_for): Likewise.
210 (output_pending_types_for_scope): Likewise.
211 (get_inlined_enumeration_type_die): Likewise.
212 (get_inlined_structure_type_die): Likewise.
213 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
214 (gen_tagged_type_instantiation_die): Likewise.
216 * flow.c (find_basic_blocks): Refine further to get a more correct
217 cfg, especially in the presense of exception handling, computed
218 gotos, and other non-trivial cases. Call abort if an inaccuracy
219 is detected in the cfg.
221 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
223 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
225 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
226 (skip_white_space): Use whitespace_cr.
227 (check_newline): Handle whitespace more consistently.
229 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
231 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
232 * i386/xm-cygwin32.h (POSIX): Define.
234 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
236 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
237 is available elsewhere.
239 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
241 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
242 what the instruction can handle.
244 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
246 * stmt.c (expand_decl_cleanup_no_eh): New fn.
248 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
250 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
252 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
253 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
255 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
257 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
258 swap instruction order.
260 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
262 * fixinc.svr4 (__STDC__): Add another case.
264 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
266 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
267 addresses in the epilogue delay slot.
269 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
271 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
272 in generated `specs' file.
274 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
276 * flags.h (flag_rerun_loop_opt): Declare.
277 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
278 * toplev.c (flag_rerum_loop_opt): Delete static.
280 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
284 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
286 * va-sh.h (__va_arg_sh1): Define.
288 SH3E doesn't use any integer registers for subsequent arguments
289 once a non-float value was passed in the stack.
290 * sh.c (machine_dependent_reorg): If optimizing, put explicit
291 alignment in front label for ADDR_DIFF_VEC.
292 * sh.h (PASS_IN_REG_P): Fix SH3E case.
293 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
295 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
297 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
300 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
302 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
303 put an use_sfunc_addr before each sfunc.
304 * sh.md (use_sfunc_addr, dummy_jump): New insns.
305 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
307 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
309 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
311 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
313 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
316 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
318 * alias.c (find_base_value): Only return the known base value for
321 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
323 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
324 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
326 (prologue_get_pc_and_set_got): New pattern.
328 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
330 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
331 for SUBREG, just fall through.
333 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
335 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
337 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
339 * fixincludes: Fix "hypot" prototype in NeXT math.h.
341 * Makefile.in (USE_ALLOCA): Always include alloca.o.
342 (USE_HOST_ALLOCA): Likewise.
344 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
345 and LABEL_REFS fields.
346 * rtl.h (LABEL_REFS): Update.
348 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
350 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
351 sets i2dest. When calling distribute_notes for i3dest_killed, pass
352 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
355 * mips.md (insv, extzv, extv): Add change_address call.
356 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
358 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
360 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
362 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
363 save_restore_insns if no FP and GP will be restored.
365 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
366 Convert CCmode to word_mode before calling GET_MODE_SIZE.
368 * acconfig.h (HAVE_INTTYPES_H): Undef.
369 * configure.in (inttypes.h): Check for conflicts between sys/types.h
370 and inttypes.h, and verify that intmax_t is defined.
371 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
372 * config/mips/x-iris3: Likewise.
374 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
376 * alias.c (find_base_value): When copying arguments, return the
377 tenative value for a hard register.
379 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
381 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
382 (yylex): Record wide strings using target endianness, not host.
384 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
386 * mn10200.h (ASM_OUTPUT_BSS): Delete.
387 (ASM_OUTPUT_ALIGNED_BSS): New macro
388 * mn10300.h (ASM_OUTPUT_BSS): Delete.
389 (ASM_OUTPUT_ALIGNED_BSS): New macro.
390 * v850.h (ASM_OUTPUT_BSS): Delete.
391 (ASM_OUTPUT_ALIGNED_BSS): New macro.
393 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
395 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
397 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
399 * configure.in (sco5): Use cpio to install header files.
401 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
403 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
405 * configure: Rebuild.
407 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
409 * i386/sco5.h: enable -gstabs once again.
411 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
413 * arm.c (output_move_double): Allocate 3 entries in otherops array.
415 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
417 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
418 notes for sjlj exceptions too.
419 (expand_eh_region_end): Similarly for EH_REGION_END notes.
420 (exception_optimize): Optimize EH regions for sjlj exceptions too.
421 * final.c (final_scan_insn): Don't output labels for EH REGION
422 notes if doing sjlj exceptions.
424 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
426 * alias.c (init_alias_analysis): Handle -fno-alias-check when
427 optimizing correctly.
429 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
430 or set current_function_calls_setjmp anymore.
432 * flow.c (find_basic_blocks): If we delete the label for an
433 exception handler, remove it from the EH label list and remove
434 the EH_BEGIN/EH_END notes for that EH region.
436 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
438 * flow.c (find_basic_blocks): Generate correct flow control
439 information when exception handling notes are present.
441 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
443 * dwarf2out.c (output_call_frame_info): Fix length argument
445 (output_die, output_pubnames, output_line_info): Likewise.
447 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
449 * version.c: Bump for snapshot.
451 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
452 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
453 flag_debug_asm is on.
454 (output_die, output_pubnames, output_line_info): Likewise.
456 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
457 and static_chain_rtx into the potential base values array if
460 * alias.c (new_reg_base_value): New array of potential base values.
461 (unique_id): Now file scoped static.
462 (find_base_value, case REG): Return the value in reg_base_value
463 array for the REG if it exists. Else, return the value from
464 new_reg_base_value if copying args and REG is a hard register.
465 (find_base_value, case PLUS): If either operand of the PLUS is
466 a REG, try to get its base value. Handle base + index and
468 (record_set): Use new_reg_base_value instead of reg_base_value.
469 (init_alias_analysis): Allocate space for new_reg_base_value too.
470 Rework code to iterate over the insns propagating base value
471 information until nothing changes.
473 * global.c (global_alloc): Free the conflict matrix after
476 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
478 * libgcc2.c (L_eh): Define __eh_pc.
479 Replace __eh_type with generic pointer __eh_info.
481 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
483 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
484 use copy_to_reg if address is not a general_operand.
486 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
488 * profile.c (output_func_start_profiler): Clear flag_inline_functions
489 for the duration of the call to rest_of_compilation.
491 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
493 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
495 (sparc*-*-*): Recognize --with-cpu=v9.
496 * sparc/elf.h: New file.
497 * sparc/t-elf: New file.
499 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
501 * mn10300.c (const_8bit_operand): New function.
502 (mask_ok_for_mem_btst): New funtion.
503 * mn10300.md (btst patterns with mem operands): Use new functions
504 to avoid creating btst instructions with invalid operands.
506 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
508 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
509 are running on PowerPC Linux.
511 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
513 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
514 if not previously defined.
516 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
518 * function.c (assign_parms): Correct mode of stack_parm if
519 entry_parm underwent a mode conversion.
521 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
523 * global.c (global_alloc): Use xmalloc instead of alloca for
524 CONFLICTS, since max_allocno * allocno_row_words alone can be more
525 than 2.5Mb sometimes.
527 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
529 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
530 DEST for the spill, adjust mode of SRC to compensate.
532 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
534 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
535 since any_memory_operand() allows pseudos during reload.
536 (reload_inhi, reload_outqi, reload_outhi): Likewise.
538 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
540 * m68k.md (btst patterns): Add 5200 support.
542 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
544 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
545 optimizations, look inside dividend to determine if the expression
546 can be simplified by using EXACT_DIV_EXPR.
548 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
551 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
553 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
555 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
557 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
559 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
562 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
564 * alpha.md (movqi, movhi): Make sure new insns created during reload
565 won't need reloading themselves.
566 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
568 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
570 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
572 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
574 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
575 Patch from Klaus Kaempf <kkaempf@progis.de>.
577 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
579 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
580 to an element in a constant string.
582 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
584 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
585 bit PC-relative offset. The exception range table pointer is now in
587 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
588 (count_fdes, add_fdes, get_cie): Adjust.
589 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
592 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
594 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
596 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
597 like stack_pointer_rtx.
599 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
601 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
602 targets using "$@" to provide support for similar but not identical
603 targets without having to duplicate code.
604 (bootstrap4): New goal.
606 * Makefile.in (compare, compare-lean, compare3): Combined to one
607 ruleset determining actions to be performed via $@.
608 (compare4, compare4-lean): New targets.
609 (gnucompare, gnucompare3): Combined to one ruleset determining
610 actions to be performed via $@. Also, note which files failed
611 the comparison test in .bad_compare.
612 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
614 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
616 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
617 if the dividend is a multiple of the divisor.
619 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
621 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
623 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
626 * alias.c (true_dependence): Fix typo.
628 * toplev.c (flag_rerun_loop_opt): New variable.
629 (f_options): Handle -frerun-loop-opt.
630 (rest_of_compilation): If -frerun-loop-opt, then run the loop
632 (main): Enable -frerun-loop-opt by default for -O2 or greater.
634 * loop.c (simplify_giv_expr): Adding two invariants results
637 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
639 * expr.c (get_inner_reference): Remove the array bias after
640 converting the index to Pmode.
642 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
644 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
645 (TARGET_MULT_BUG): Define.
646 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
647 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
649 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
651 * mn10200.c (indirect_memory_operand): Delete unused function.
652 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
653 * mn10200.md (bset, bclr insns): Handle output in a reg too.
655 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
657 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
658 the callee's ldgp, we must do it ourselves, and we use the jsr tag
659 for more than scheduling.
661 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
663 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
665 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
667 * mn10300.c (symbolic_operand, legitimize_address): New functions.
668 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
669 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
671 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
673 * version.c: Bump for snapshot.
675 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
677 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
680 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
682 * toplev.c (flag_exceptions): Default value is 2.
683 (compile_file): If flag_exceptions still has the value 2, then
686 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
687 (rs6000_save_machine_status): Save pic_offset_table_rtx.
688 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
690 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
693 * rs6000.md (*movsi_got_internal_mem): New pattern.
694 (*movsi_got_internal_mem splitter): New define_split.
696 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
698 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
700 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
702 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
703 only need to save LR.
705 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
707 * mn10300.md (movqi, movhi): Avoid using address registers as
708 destinations unless absolutely necessary.
710 * mn10200.c (expand_prologue): Fix typo.
712 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
714 * mn10200.md (neghi2): Provide an alternative which works if
715 the input and output register are the same.
717 * mn10300.c (print_operand): Handle 'S'.
718 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
719 shift amount in last alternative
721 * mn10300.c (expand_epilogue): Rework to handle register restores
722 in "ret" and "retf" instructions correctly.
724 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
726 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
727 extzv for memory operands.
729 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
730 redundant conditional moves to single operand.
732 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
734 * v850.h: Move define of __v850__ from CPP_PREDEFINES
737 * xm-v850.h: Use __v850 rather than __v850__ to
740 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
742 * mips/mips.c (compute_frame_size): Not a leaf function if
745 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
747 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
749 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
751 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
752 (DEFAULT_ARCH32_P): New macro.
753 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
754 (enum cmodel): Declare.
755 (sparc_cmodel_string,sparc_cmodel): Declare.
756 (SPARC_DEFAULT_CMODEL): Provide default.
757 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
758 (TARGET_FULLANY): Deleted.
759 (TARGET_CM_MEDMID): New macro.
760 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
761 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
762 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
764 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
765 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
766 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
767 (ASM_SPEC): Add %(asm_arch).
768 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
769 Rename asm_default to asm_cpu_default.
770 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
771 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
772 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
773 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
774 (MASK_INT64,MASK_LONG64): Delete.
775 (MASK_ARCH64): Renamed to MASK_64BIT.
776 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
777 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
778 (TARGET_SWITCHES): Always provide 64 bit options.
779 (ARCH64_SWITCHES): Delete.
780 (TARGET_OPTIONS): New option -mcmodel=.
781 (INT_TYPE_SIZE): Always 32.
782 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
783 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
784 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
785 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
786 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
788 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
789 * sparc/linux.h: Likewise.
790 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
791 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
792 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
793 (SPARC_DEFAULT_CMODEL): Define.
794 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
795 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
796 (LONG_DOUBLE_TYPE_SIZE): Define.
797 (ASM_SPEC): Add %(asm_arch).
798 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
799 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
800 (TARGET_CPU_DEFAULT): Add ultrasparc case.
801 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
802 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
803 (SPARC_DEFAULT_CMODEL): Define.
804 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
805 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
806 MASK_LONG64, MASK_MEDANY.
807 (SPARC_DEFAULT_CMODEL): Define.
808 (CPP_PREDEFINES): Delete.
809 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
810 (ASM_SPEC): Add %(asm_arch).
811 (LONG_DOUBLE_TYPE_SIZE): Define.
812 (DWARF2_DEBUGGING_INFO): Define.
813 * sparc/splet.h (CPP_SPEC): Delete.
814 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
815 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
816 (BLOCK_PROFILER): Likewise.
817 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
818 (sparc_override_options): Handle code model selection.
819 (sparc_init_expanders): Renamed from sparc64_init_expanders.
820 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
821 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
822 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
823 (sethi_di_fullany): Delete.
825 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
826 Jeff Law <law@cygnus.com>
827 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
829 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
830 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
831 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
832 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
833 * alpha/alpha.md (arg_home): Likewise.
835 * alpha/alpha.c (vmskrunch): Delete
836 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
837 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
838 truncate to 64 characters.
840 * make-l2.com: Support openVMS/Alpha.
842 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
844 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
846 * longlong.h (count_leading_zeros): Add missing casts to USItype.
848 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
850 * i386/bsd386.h (ASM_COMMENT_START): Define.
852 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
854 * tree.c (restore_tree_status): Also free up temporary storage
855 when we finish a toplevel function.
856 (dump_tree_statistics): Print stats for backend obstacks.
858 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
860 * expr.c (use_group_regs): Don't call use_reg for MEMs.
862 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
864 * libgcc2.c (__throw): Don't copy the return address.
865 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
867 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
868 * toplev.c (main): Initialize exceptions_via_longjmp.
870 * tree.c: Add extra_inline_obstacks.
871 (save_tree_status): Use it.
872 (restore_tree_status): If this is a toplevel inline obstack and we
873 didn't want to save anything on it, recycle it.
874 (print_inline_obstack_statistics): New fn.
875 * function.c (pop_function_context_from): Pass context to
877 * obstack.h (obstack_empty_p): New macro.
879 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
881 * i386/freebsd.h (ASM_COMMENT_START): Fix.
883 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
885 * v850.c (ep_memory_offset): New function.
886 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
888 * v850.h (CONST_OK_FOR_*): Add and correct comments.
889 (CONSTANT_ADDRESS_P): Add comment.
890 (EXTRA_CONSTRAINT): Define 'U'.
891 * v850.md: Add comments on bit field instructions.
892 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
893 (lshrsi3): Use N not J constraint.
895 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
897 * v850.c (reg_or_0_operand): Call register_operand.
898 (reg_or_int5_operand): Likewise.
899 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
900 (TARGET_SWITCHES): Add "big-switch".
901 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
902 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
903 (CASE_DROPS_THROUGH): Comment out.
904 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
905 * v850.md (cmpsi): Delete compare mode.
906 (casesi): New pattern.
908 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
909 * v850.md (ashlsi3): Use SImode not QImode for shift count.
912 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
913 unreachable switch statement after 'b' support. Remove "b" from
914 strings for 'b' support.
915 * v850.md (branch_normal, branch_invert): Change %b to b%b.
917 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
919 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
920 empty line if @inhibit_libc@ is empty.
922 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
924 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
925 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
926 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
927 (DWARF2_UNWIND_INFO): Let this track object file format.
928 (EXTRA_SECTIONS): Add in_eh.
929 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
930 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
932 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
934 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
935 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
937 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
938 (output_double_int): Output DI mode values correctly when
939 HOST_BITS_PER_WIDE_INT is 64.
940 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
941 fmovd so it works if a quad float ends up in one of the upper 32
943 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
944 necessary for PIC support on sparc64.
946 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
948 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
949 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
950 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
951 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
952 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
953 (SPARC_FP_ARG_FIRST): New macro.
954 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
955 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
956 (NPARM_REGS): There are 32 fp argument registers now.
957 (FUNCTION_ARG_REGNO_P): Likewise.
958 (FIRST_PARM_OFFSET): Update to new v9 abi.
959 (REG_PARM_STACK_SPACE): Define for arch64.
960 (enum sparc_arg_class): Delete.
961 (sparc_arg_count,sparc_n_named_args): Delete.
962 (struct sparc_args): Redefine and use for arch32 as well as arch64.
963 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
964 (FUNCTION_ARG_ADVANCE): Rewrite.
965 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
966 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
967 (FUNCTION_ARG_CALLEE_COPIES): Delete.
968 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
969 (STRICT_ARGUMENT_NAMING): Define.
970 (doublemove_string): Declare.
971 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
972 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
973 (doublemove_string): New function.
974 (output_move_quad): Clean up some of the arch64 support.
975 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
976 Don't add 8 bytes of reserved space if arch64.
977 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
978 (init_cumulative_args): New function.
979 (function_arg_slotno): New static function.
980 (function_arg,function_arg_partial_nregs): New functions.
981 (function_arg_{pass_by_reference,advance}): New functions.
982 (function_arg_padding): New function.
983 * ginclude/va-sparc.h: Rewrite v9 support.
985 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
987 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
988 for hard regs to determine base and index registers.
990 * reload.c (debug_reload_to_stream): New function. Specify stream
991 into which to write debug info.
992 (debug_reload): Modify to call debug_reload_to_stream with stderr.
994 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
996 * combine.c (can_combine_p): Don't combine with an asm whose
997 output is a hard register.
999 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
1001 * c-decl.c (start_struct): Ensure that structs with forward
1002 declarations are in fact packed when -fpack-struct is given.
1004 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
1005 we are packing a structure. This allows a structure with only
1006 bytes to be aligned on a byte boundary and have no padding on a
1009 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1011 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
1013 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
1015 * alpha.c (alpha_return_addr_rtx): New variable.
1016 (alpha_save_machine_status): New; save it.
1017 (alpha_restore_machine_status): New; restore it.
1018 (alpha_init_expanders): New; clear it.
1019 (alpha_return_addr): New; set it.
1020 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
1021 is overly conservative, so search the insns explicitly.
1022 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
1023 (alpha_sa_size [VMS && !VMS]): Likewise.
1024 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
1025 (INIT_EXPANDERS): New definition.
1027 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
1028 (output_prolog [!VMS]): Use them.
1030 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
1031 (alpha_does_function_need_gp): ... a new function. Refine the
1032 CALL_INSN test to just TYPE_JSR.
1033 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
1035 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
1037 * version.c: Bump for snapshot.
1039 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1041 * pa.c (move_operand): Respect -mdisable-indexing.
1042 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
1044 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
1046 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
1048 (umulsidi3,umulsi3_highpart): Ditto.
1049 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
1051 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
1053 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
1054 (alpha_handle_trap_shadows): ... a new function. Handle the entire
1055 function in one go. Emit RTL for trapb, instead of printf directly.
1056 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
1057 (trap_pending): Kill global variable.
1058 (output_epilog): Don't call final_prescan_insn.
1059 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
1060 * alpha.h (FINAL_PRESCAN_INSN): Remove.
1061 (MACHINE_DEPENENT_REORG): Define.
1062 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
1065 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
1067 Tune Haifa scheduler for Alpha:
1068 * alpha.h (ISSUE_RATE): Define.
1069 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
1070 EV4 adjustments to EV5.
1071 * alpha.md: Remove all scaling from function unit delays. Rework
1072 EV5 function units to match the CPU.
1073 (umuldi3_highpart): EV5 added the IMULH insn class.
1075 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
1077 * pa.c (following_call): Fail if the CALL_INSN is an indirect
1080 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
1082 * cplus-dem.c (demangle_signature): Don't look for return types on
1083 constructors. Handle member template constructors.
1085 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
1087 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
1088 * tree.h: Declare them.
1090 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
1092 * configure.in: Handle --with-newlib.
1093 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
1095 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
1097 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
1099 * config/ptx4.h: Fix typo.
1101 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
1103 * version.c: Bump for snapshot.
1105 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
1107 * aclocal.m4: Substitute INSTALL.
1108 * configure: Re-built.
1110 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
1112 * integrate.c (save_for_inline_copying): Avoid undefined pointer
1114 (expand_inline_function): Likewise.
1116 * dwarf2out.c (output_call_frame_info): Reinstate last change
1117 using flag_debug_asm check instead of flag_verbose_asm.
1119 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
1121 * dwarf2out.c (output_call_frame_info): Remove last change.
1123 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1125 * frame.c (__frame_state_for): Execute the FDE insns until the
1126 current pc value is strictly bigger than the target pc value.
1128 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
1130 * regclass.c (init_reg_modes): If we can't find a mode for the
1131 register, use the previous one.
1133 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
1135 * haifa-sched.c (print_block_visualization): Call fprintf directly,
1136 don't sprintf through an alloca'ed buffer.
1138 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
1140 * reload.c (decompose): Always initialize val.base.
1142 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1144 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
1145 instead of aborting.
1146 * dwarf2out.c (output_call_frame_info): Call app_enable and
1147 app_disable to let GNU as accept the generated comments.
1149 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
1151 * tree.h (get_file_function_name): Add declaration.
1152 * dwarf2out.c (output_call_frame_info): No need to cast
1153 get_file_function_name call anymore.
1154 * profile.c (toplevel): Remove get_file_function_name
1156 * c-lang.c (finish_file): Ditto.
1158 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
1160 * Makefile.in (program_transform_name): Let autoconf substitute
1163 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
1165 * haifa-sched.c (schedule_block): If the first real insn in a
1166 block has any special notes attached to it, remove them.
1168 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
1170 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
1172 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1174 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
1176 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
1178 * Makefile.in (check-g77): New test target.
1179 (CHECK-TARGETS): Add check-g77.
1181 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1183 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
1185 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
1187 * flow.c (print_rtl_with_bb): Cast alloca return value for
1190 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
1192 * i386.h (RETURN_ADDR_RTX): New definition that works for
1193 __builtin_return_address(0) and -fomit-frame-pointer.
1195 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
1197 Bring over from FSF.
1198 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
1200 * mips.c (function_arg): Handle passing a struct
1201 containing a double in a DFmode register without the PARALLEL.
1203 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
1205 * pexecute.c: Use spawn if __CYGWIN32__.
1207 * pexecute.c: Include "config.h" first, as per autoconf manual
1208 (from Paul Eggert <eggert@twinsun.com>).
1210 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1212 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
1213 optimisation for f/expr.o and f/stb.o.
1215 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
1217 * cse.c (this_insn_cc0_mode): Initialize.
1219 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
1221 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
1223 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
1225 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
1227 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
1228 that pair will dual-issue on the 21164 and plus+beq won't.
1229 (bne): Likewise for cmpeq+beq.
1231 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
1233 * except.c (find_exception_handler_labels): Correct argument to free.
1235 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
1237 * except.c (find_exception_handler_labels): Free LABELS when we're
1240 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
1242 * version.c: Bump for snapshot.
1244 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1246 * flow.c (find_basic_blocks): Mark calls as potentially jumping
1249 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
1251 * configure.in: Substitute for "install" too.
1252 * configure: Rebuilt.
1254 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
1256 * Makefile.in (bootstrap-lean, compare-lean): New targets.
1258 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
1260 * alias.c (base_alias_check): Two symbols can conflict if they
1261 are accessed via AND.
1262 (memrefs_conflict_p): Likewise.
1264 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
1265 after flushing argument registers to the stack.
1267 * Makefile.in (mostlyclean): Remove .regmove files.
1269 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1271 * libgcc2.c (__throw): Fix thinko.
1273 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
1275 * cplus-dem.c (demangle_template): Add new parameter. Handle new
1276 template-function mangling.
1277 (consume_count_with_underscores): New function.
1278 (demangle_signature): Handle new name-mangling scheme.
1280 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1282 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
1285 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
1287 * frame.c: Remove last change.
1288 * dwarf2.h: Remove last change.
1289 * tree.h: Add declarations of DWARF2 unwind info support
1292 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1294 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
1295 * tree.h (built_in_function): Likewise.
1296 * expr.c (expand_builtin): Likewise.
1297 * except.h: Likewise.
1298 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
1299 * libgcc2.c (copy_reg): New fn.
1302 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
1304 * c-typeck.c (build_binary_op): Warn about comparing signed vs
1305 unsigned if -W is specified and -Wno-sign-compare is not.
1306 * c-decl.c (warn_sign_compare): Initialize to -1.
1307 (c_decode_option): -Wall no longer implies -Wsign-compare.
1309 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1311 * frame.c: Include gansidecl.h for PROTO.
1312 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
1313 defined. Don't declare dwarf2out_cfi_label here.
1314 * dwarf2.h: Add declarations of DWARF2 unwind info support
1316 * m68k.c: Include dwarf2.h.
1317 (output_function_prologue): Add dwarf2 support.
1318 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
1319 (INCOMING_FRAME_SP_OFFSET): Likewise.
1321 * integrate.c (expand_inline_function): Make sure there is at
1322 least one insn that can be used as an insertion point.
1324 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1326 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
1328 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
1330 * version.c: Bump for snapshot.
1332 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
1334 Bring over from FSF.
1336 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
1338 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
1339 (get_pc_via_rdpc): Renamed from get_pc_sp64.
1340 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
1342 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
1344 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
1345 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
1347 (sparc_align_{loops,jumps,funcs}_string): Declare.
1348 (sparc_align_{loops,jumps,funcs}): Declare.
1349 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
1350 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
1351 (STACK_BIAS): Define.
1352 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
1354 (SPARC_SETHI_P): New macro.
1355 (CONST_OK_FOR_LETTER_P): Use it.
1356 (ASM_OUTPUT_ALIGN_CODE): Define.
1357 (ASM_OUTPUT_LOOP_ALIGN): Define.
1358 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
1359 (sparc_align_{loops,jumps,funcs}): New globals.
1360 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
1362 (move_operand): Use SPARC_SETHI_P.
1363 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
1365 (arith11_double_operand): Likewise.
1366 (arith10_double_operand): Likewise.
1367 (finalize_pic): Finish sparc64 support.
1368 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
1369 64 bit constants if able.
1370 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
1371 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
1373 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
1374 (get_pc_sp32): Use for sparc64 as well.
1375 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
1376 (sethi_di_sp64_const): Likewise.
1377 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
1378 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
1379 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
1381 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
1383 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
1384 * sparc/linux.h (COMMENT_BEGIN): Likewise.
1385 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
1387 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
1389 Add sparc64 linux support.
1390 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
1391 to xm_file list on 32-bit sparc-linux.
1392 * sparc/xm-sp64.h: New file.
1393 * sparc/linux64.h: New file.
1394 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
1395 Don't include xm-sparc.h.
1396 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
1397 * glimits.h (LONG_MAX): Handle sparc64.
1399 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
1401 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
1402 * sparc.h (ASM_COMMENT_START): Define.
1403 * sparc.c (output_function_prologue): Use it.
1404 (sparc_flat_output_function_{epi,pro}logue): Likewise.
1406 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
1408 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
1409 use sparc.h's copies.
1410 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
1413 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1415 * sparc.c (dwarf2out_cfi_label): Add declaration.
1416 (save_regs, output_function_prologue): Remove cast for it.
1417 (sparc_flat_{save_restore,output_function_prologue): Likewise.
1418 ({save,restore}_regs): No longer inline.
1420 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1422 * fold-const.c (make_range): Correctly handle cases of converting
1423 from unsigned to signed type.
1425 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1427 * fold-const.c (merge_ranges): Make sure that if one range is subset
1428 of another, it will always be the second range. Correct (+,-) case to
1431 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1433 * final.c (final_end_function): Also do dwarf2 thing if
1434 DWARF2_DEBUGGING_INFO.
1435 (final_start_function): Likewise.
1437 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
1439 * expmed.c (expand_divmod): If compute_mode is not the same as
1440 mode, handle the case where convert_modes() causes op1 to no
1441 longer be a CONST_INT.
1443 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
1444 note holding get_jump_flags() calculation to all JUMP_INSNs.
1445 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
1446 * rtl.c (reg_note_name): Add new note types.
1448 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
1450 * rtlanal.c (computed_jump_p): Fix typo in last change.
1452 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1454 * loop.c (indirect_jump_in_function_p): Return 0
1457 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
1459 * rs6000/xm-rs6000.h: Fix thinko in last change.
1460 * rs6000/xm-sysv4.h: Likewise.
1462 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
1464 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
1466 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
1468 * reg-stack.c (find_blocks): Fix thinko in last change.
1470 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1472 * m68k.c (output_function_prologue): Add dwarf2 support.
1474 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
1475 INCOMING_FRAME_SP_OFFSET): New definitions.
1477 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
1479 * combine.c (try_combine): Use NULL_RTX instead of '0' where
1480 appropriate in calls to gen_rtx().
1481 * cse.c (cse_main): Likewise.
1482 * emit-rtl.c (gen_label_rtx): Likewise.
1483 * expr.c (init_expr_once): Likewise.
1484 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
1485 sched_analyze, init_rgn_data_dependences,
1486 compute_block_backward_dependences): Likewise.
1487 * sched.c (schedule_insns): Likewise.
1488 * varasm.c (immed_double_const): Likewise.
1490 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
1491 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
1493 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
1495 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
1496 (MULTILIB_DEFAULTS): Define.
1497 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
1498 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
1499 (LIBGCC_SPEC): Likewise.
1500 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
1501 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
1502 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
1503 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
1504 (EXTRA_PARTS, TAROUTOPTS): Delete.
1505 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
1506 (MULTILIB_OPTIONS): Define.
1507 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
1508 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
1510 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
1512 * version.c: Bump for snapshot.
1514 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
1516 * loop.c (loop_number): Delete function. Change all references
1517 to use uid_loop_num array.
1518 * loop.h (loop_number): Delete declaration.
1519 * unroll.c (unroll_loop): Change "loop_number" references to
1520 use uid_loop_num instead.
1522 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
1524 (loop_unroll_iter): Remove unused variable and all references.
1525 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
1526 (insert_bct): Fix minor formatting problems.
1527 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
1528 (loop_unroll_iter): Removed unused decl.
1529 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
1530 Always record the unrolling factor.
1532 * cse.c (simplify_relational_operation): Set h0u just like h0s.
1533 Similarly for h1u and h1s.
1535 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
1536 (find_basic_blocks): Use computed_jump_p to determine if a
1537 particular JUMP_INSN is a computed jump.
1538 * reg-stack.c (find_blocks): Use computed_jump_p to determine
1539 if a particular JUMP_INSN is a computed jump.
1540 * rtlanal.c (jmp_uses_reg_or_mem): New function.
1541 (computed_jump_p): Likewise.
1542 * rtl.h (computed_jump_p): Declare.
1543 * genattrtab.c (pc_rtx): Define and initialize.
1544 * loop.c (loop_optimize): Always determine if the current
1545 function has a computed jump.
1546 (indirect_jump_in_function_p): Use computed_jump_p to determine
1547 if a particular JUMP_INSN is a computed jump.
1549 * loop.c (fix_bct_param): Delete unused function.
1550 (check_bct_param): Likewise.
1552 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1554 * frame.c (__deregister_frame): Check properly for initialized object.
1556 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1558 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
1560 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1562 * jump.c (thread_jumps): check can_reverse_comparison_p before
1563 threading a reversed-condition jump.
1565 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
1566 * haifa-sched.c (update_flow_info): Likewise.
1568 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
1570 * Makefile.in (BOOT_CFLAGS): Use -O2.
1572 * configure.in (strtoul, bsearch): Have autoconf check for these
1574 * configure, config.in: Rebuilt.
1576 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
1577 * mips/mips.h (alloca): Likewise.
1578 * rs6000/xm-rs6000.h (alloca): Likewise.
1579 * rs6000/xm-sysv4.h: Likewise.
1581 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
1583 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
1584 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
1585 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
1587 * except.c (end_eh_unwinder): Subtract 1 from return address.
1588 * libgcc2.c (__throw): Likewise.
1589 (find_exception_handler): Don't change PC here. Compare end with >.
1591 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
1593 * v850.c (compute_register_save_size): Correct register
1595 * v850.md (save_interrupt, return_interrupt): Correct
1597 * v850/lib1funcs.asm (save_interrupt): Correct register number.
1598 (return_interrupt): Use stack pointer, not element pointer.
1600 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
1602 * configure.in, configure: Make sure to create the stage* and include
1603 symbolic links in each subdirectory.
1605 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
1607 * pa.md (reload_peepholes): Don't allow addresses with side
1608 effects for the memory operand.
1610 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1612 * libgcc2.c (find_exception_handler): Subtract one from our PC when
1613 looking for a handler, to avoid hitting the beginning of the next
1616 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
1618 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
1620 * mips/abi64.h (LONG_MAX_SPEC): Define.
1621 * mips.h (LONG_MAX_SPEC): Define.
1622 (CPP_SPEC): Include long_max_spec.
1623 (EXTRA_SPECS): Include long_max_spec.
1625 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
1627 * v850.c (construct_save_jarl): Fix thinko in last change.
1629 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
1631 * version.c: Bump for snapshot.
1633 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1635 * libgcc2.c (find_exception_handler): Not found is -1.
1637 * integrate.c (expand_inline_function): Move expand_start_bindings
1638 after expanding the arguments.
1640 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
1642 * expr.c (expand_expr): Remove previous incorrect change.
1643 If target and slot has no DECL_RTL, then call mark_addressable
1644 again for the slot after we give it RTL.
1646 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
1648 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1649 again for the slot after we give it RTL.
1651 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
1653 * v850.c (register_is_ok_for_epilogue,
1654 pattern_is_ok_for_epilogue, construct_restore_jr,
1655 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
1657 * v850.h (pattern_is_ok_for_prologue,
1658 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
1661 * v850.md: Replace prologue and epilogue patterns with a
1662 match_parallel pattern.
1664 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
1666 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
1667 * configure.in: Use EGCS_PROG_INSTALL.
1669 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
1671 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
1672 extern inline function.
1674 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
1676 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
1677 (concat_loc_descriptor): New function.
1678 (loc_descriptor): Call it.
1679 (add_AT_location_description): Also elide the descriptor if both
1680 halves of a CONCAT are pseudos.
1681 (add_location_or_const_value_attribute): Recognize CONCAT too.
1683 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
1685 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
1687 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
1688 out-or-range reg_offset.
1689 (output_epilog): Likewise.
1691 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
1693 * cse.c (simplify_relational_operation): If MODE specifies a
1694 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
1695 is derived from the sign bit of the low word.
1697 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1699 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
1701 * dwarf2.h: Add DW_CFA_GNU_args_size.
1702 * frame.c (execute_cfa_insn): Likewise.
1703 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
1704 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
1705 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
1706 insn, hand it off to dwarf2out_stack_adjust.
1707 (dwarf2out_begin_prologue): Initialize args_size.
1708 * frame.h (struct frame_state): Add args_size.
1709 * libgcc2.c (__throw): Use args_size.
1710 * final.c (final_scan_insn): If we push args, hand off all insns
1711 to dwarf2out_frame_debug.
1712 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
1714 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
1715 Handle epilogue restore of SP from FP.
1716 * emit-rtl.c (gen_sequence): Still generate a sequence if the
1717 lone insn has RTX_FRAME_RELATED_P set.
1719 * frame.c (extract_cie_info): Handle "e" augmentation.
1720 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
1721 absence of UNALIGNED_*_ASM_OP.
1722 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
1723 (output_call_frame_info): Use "e" instead of "z" for augmentation.
1724 Don't emit augmentation fields length.
1725 (dwarf2out_do_frame): Move outside of #ifdefs.
1726 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
1729 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
1730 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
1731 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
1732 * sparc/sun4gas.h: New file.
1733 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
1735 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
1736 __register_frame_table and __deregister_frame.
1738 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
1740 * except.c (find_exception_handler_labels): Use xmalloc instead of
1741 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
1744 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
1746 * Makefile.in: Various changes to build info files
1747 in the object tree rather than the source tree.
1749 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
1751 * fixinc.math: New file to fix math.h on some systems.
1752 * configure.in (freebsd, netbsd): Use fixinc.math on these
1754 * configure: Rebuilt.
1756 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
1758 * regmove.c (regmove_optimize): If we end up moving the
1759 original insn due to lifetime overlaps, make sure to move
1762 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
1764 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
1766 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
1768 * haifa-sched.c (add_branch_dependences): Make each insn in
1769 a SCHED_GROUP_P block explicitly depend on the previous insn.
1771 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1773 * except.h: Prototype dwarf2 hooks.
1776 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
1778 * configure.in (native_prefix): Delete.
1779 (mips-dec-netbsd): Don't set prefix.
1780 (*linux*): Don't set prefix.
1782 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
1784 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
1785 defined. If not defined, include <sys/varargs.h> if
1786 HAVE_SYS_VARARGS_H is defined.
1787 * configure.in: Test for varargs.h and sys/varargs.h.
1788 * configure: Regenerate with autoconf.
1789 * config.in: Regenerate with autoheader.
1791 * cpplib.c (quote_string): Cast first arg of sprintf call
1792 from "unsigned char *" to "char *".
1793 (output_line_command): Ditto.
1794 (macroexpand): Ditto.
1795 (do_line): Cast atoi arg from "unsigned char *" to "char *".
1797 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
1799 * version.c: Bump for snapshot.
1801 * Makefile.in (compare): Exit with nonzero status if there
1802 are comparison failures. Note which files failed the
1803 comparison test in .bad_compare.
1805 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1807 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
1809 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
1811 * Makefile.in (LN, LN_S): New macros, use where appropriate.
1812 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
1813 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
1814 * configure: Regenerated.
1816 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
1818 * loop.c (strength_reduce): Fix typo.
1820 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
1822 * m88k/m88k.c (struct option): Rename to struct options.
1823 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
1824 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
1825 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
1826 __DOLPHIN__ or sysV88.
1828 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
1830 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
1833 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
1835 * config.sub: Accept 'amigados' for backward compatability.
1837 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1839 * Makefile.in (testsuite/site.exp): New target.
1840 (check-gcc, check-g++): Depend on testsuite/site.exp.
1841 Don't stop for failure.
1843 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
1845 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
1846 if DWARF2_UNWIND_INFO.
1848 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
1850 Add support for exception handling using DWARF 2 frame unwind info.
1851 Currently works on SPARC and MIPS, and almost on x86.
1853 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
1854 next_stack_level, in_reg_window): Helper fns.
1855 (__throw): Implement for DWARF2_UNWIND_INFO.
1857 * expr.c (expand_builtin): Handle builtins used by __throw.
1858 * tree.h (enum built_in_function): Add builtins used by __throw.
1859 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
1860 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
1861 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
1862 (expand_builtin_extract_return_addr): Likewise.
1863 (expand_builtin_frob_return_addr): Likewise.
1864 (expand_builtin_set_return_addr_reg): Likewise.
1865 (expand_builtin_eh_stub): Likewise.
1866 (expand_builtin_set_eh_regs): Likewise.
1867 (eh_regs): Choose two call-clobbered registers for passing back values.
1869 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
1870 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
1871 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
1872 (stmp-multilib): Likewise.
1873 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
1875 * except.c: #include "defaults.h".
1876 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
1877 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
1878 (register_exception_table_p): New fn.
1879 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
1880 (end_eh_unwinder): Likewise.
1882 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
1883 call __register_frame and __deregister_frame as needed.
1884 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
1885 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
1886 EH_FRAME_SECTION_ASM_OP.
1887 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
1888 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
1889 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
1891 * dwarf2out.c (output_call_frame_info): If no support for
1892 EXCEPTION_SECTION, mark the start of the frame info with a
1894 * collect2.c (frame_tables): New list.
1895 (is_ctor_dtor): Recognise frame entries.
1896 (scan_prog_file): Likewise.
1897 (main): Pass -fno-exceptions to sub-compile. Also do collection
1898 if there are any frame entries.
1899 (write_c_file_stat): Call __register_frame_table and
1900 __deregister_frame as needed.
1901 (write_c_file_glob): Likewise.
1903 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
1904 Also require unaligned reloc support.
1905 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1906 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
1907 * sparc/sysv4.h: Not here.
1909 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
1910 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
1911 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
1913 * libgcc2.c (L_eh): Reorganize, moving code shared by different
1914 EH implementations to the top.
1915 (find_exception_handler): Split out. Start from 0. Compare against
1917 (__find_first_exception_table_match): Use it.
1918 * except.c (output_exception_table): Don't do anything if there's
1919 no table. Don't output a first entry of zeroes.
1920 (eh_outer_context): Adjust properly.
1921 (add_eh_table_entry): Use xrealloc.
1922 * toplev.c (compile_file): Just call output_exception_table.
1924 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
1926 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
1928 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
1930 * except.c (eh_outer_context): Do masking using expand_and.
1932 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
1934 Add port done awhile ago for the ARC cpu.
1935 * arc/arc.h: New file.
1936 * arc/arc.c: New file.
1937 * arc/arc.md: New file.
1938 * arc/initfini.c: New file.
1939 * arc/lib1funcs.asm: New file.
1940 * arc/t-arc: New file.
1941 * arc/xm-arc.h: New file.
1942 * ginclude/va-arc.h: New file.
1943 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
1944 * ginclude/varargs.h: Likewise.
1945 * Makefile.in (USER_H): Add va-arc.h.
1946 * configure.in (arc-*-elf*): Recognize.
1947 * longlong.h: Add ARC support.
1949 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
1951 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
1952 when clearing non-BLKmode data.
1954 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
1956 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
1957 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
1959 * xm-m88k.h (USG): Only define if it hasn't already been defined.
1961 * Makefile.in (risky-stage1): Delete gratutious whitespace.
1963 * Makefile.in (clean): Delete libgcc1-test.
1965 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
1967 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
1969 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
1972 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1974 * dwarf2out.c (output_call_frame_info): Call named_section.
1976 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
1978 * haifa-sched.c (print_value): Fix last change.
1980 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
1982 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
1985 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1987 * mips.c (function_prologue): Set up the CFA when ABI_32.
1989 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
1990 for dwarf2 unwind info.
1991 (output_function_prologue, sparc_flat_output_function_prologue): Same.
1993 * final.c (final_end_function): Check dwarf2out_do_frame instead
1994 of DWARF2_DEBUG for dwarf2 unwind info.
1995 (final_scan_insn): Likewise.
1996 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
1999 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
2002 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
2004 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
2006 * v850.h (ASM_SPEC): Pass on target processor.
2007 (CPP_PREDEFINES): Only define if not already specified.
2008 (TARGET_VERSION): Only define if not already specified.
2009 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
2011 (EXTRA_SWITCHES): Extra entries in the switches array.
2012 (TARGET_DEFAULT): Set default target processor.
2014 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
2016 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
2017 cases, add %# and %/, and add : to make them into extended asms.
2019 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
2021 * alias.c (init_alias_analysis): Clean up incompatible pointer
2022 type warning in bzero.
2023 * regmove.c (regmove_optimize): Ditto.
2024 * haifa-sched.c (find_rgns): Ditto.
2026 * haifa-sched.c (print_value): Clean up ptr->int cast
2029 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
2031 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
2032 * install.texi (Configurations): Ditto.
2033 * config.sub: Ditto.
2035 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
2037 * Makefile.in (sdbout.o): Depend on insn-config.h.
2039 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
2041 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
2042 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
2044 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
2046 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
2047 prologue insn, only the first elt is significant.
2048 (output_call_frame_info): For exception handling, always use 4-byte
2049 fields as specified by the dwarf2 spec.
2050 Don't skip trivial FDEs.
2052 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
2054 * version.c: Bump for snapshot.
2056 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
2058 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
2059 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
2062 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
2064 * final.c (shorten_branches): During first pass, assume worst
2065 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
2067 * Makefile.in (distclean): Remove various things left around
2068 by running the testsuite.
2070 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
2072 * configure.in (out_file): Emit definition to config.status in order
2073 to have a defined value for configure.lang.
2074 * configure: Re-built.
2076 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
2078 * configure.in: Make symlink to as-new rather than as.new. Similarly
2080 * configure: Rebuilt.
2082 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
2084 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
2086 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
2088 * sparc/sparc.md: Add ultrasparc scheduling support.
2089 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
2091 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2093 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
2094 as initial value for real_label_map.
2095 (copy_for_inline): Likewise.
2097 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2099 * sched.c (update_flow_info) When looking if to set found_split_dest
2100 or found_orig_dest, look at all parts of a PARALLEL.
2101 * haifa-sched.c (update_flow_info): Likewise.
2103 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
2105 * v850: New directory for v850 port.
2106 * v850/lib1funcs.asm: New file.
2107 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
2108 * ginclude/va-v850.h: New file.
2109 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
2110 * configure.in (mn10200-*-*): New target.
2111 * configure: Rebuilt.
2112 * config.sub: Handle v850-elf.
2113 * Makefile.in (USER_H): Add va-mn10200.h.
2114 * invoke.texi: Document v850 stuff.
2116 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
2118 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
2119 has integer TYPE_{MAX,MIN}_VALUE before using them.
2121 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
2122 __HPUX_ASM__ versions.
2124 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
2126 * install.sh: Delete duplicate install script.
2128 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
2130 * reg-stack.c (subst_stack_regs): Pop the stack register for a
2131 computed goto which sets the same stack register.
2133 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
2134 destination are both on the regstack.
2135 (subst_stack_regs_pat): Put the destination at the top of the regstack.
2137 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
2139 * mips.md (nonlocal_goto_receiver): Define.
2141 * profile.c (output_arc_profiler): Check next_insert_after for non
2142 NULL before deferencing it.
2144 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
2146 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
2148 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
2150 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
2152 * toplev.c (rest_of_compilation): For passes starting with
2153 flow_analysis, use print_rtl_with_bb instead of print_rtl.
2155 * print-rtl.c (print_rtl_single): Print a single rtl value to a
2158 * flow.c (print_rtl_with_bb): Print which insns start and end
2159 basic blocks. For the start of a basic block, also print the live
2162 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
2164 * toplev.c (main): Change #elif to #else/#ifdef
2166 * tlink.c: Include ctype.h.
2167 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
2169 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
2171 * bitmap.c: Conditionally include stdlib.h.
2172 (free): Provide a declaration if NEED_DECLARATION_FREE.
2174 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
2176 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
2178 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
2180 * profile.c (output_arc_profiler): Verify next_insert_after is an
2181 INSN before and after skipping a stack pop.
2183 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2185 * final.c (shorten_branches): Don't count the lengths of deleted
2188 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
2190 * version.c: Bump for snapshot.
2192 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
2194 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
2195 two bitmaps ANDed together.
2196 (bitmap_print): Declare.
2198 * bitmap.c (function_obstack): Don't declare any more.
2199 (bitmap_obstack): Obstack for allocating links from.
2200 (bitmap_obstack_init): New static to say whether to initialize
2202 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
2203 (bitmap_release_memory): Free all memory allocated from
2206 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
2207 EXECUTE_IF_AND_IN_BITMAP.
2209 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
2211 * alias.c (true_dependence): Address with AND can alias scalars.
2212 (anti_dependence, output_dependence): Likewise.
2214 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
2216 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
2218 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
2219 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
2220 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
2221 definitions. Use -qrtems instead of -mrtems.
2223 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
2225 * xm-sco5.h (sys_siglist): Define.
2226 (SYS_SIGLIST_DECLARED): Likewise.
2228 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
2230 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
2232 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
2234 * except.c (eh_outer_context): Expand masking operation using
2237 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
2239 * alpha.md (floatdisf2-1): New pattern.
2241 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
2243 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
2244 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
2245 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
2246 * gcc.texi: Note that if you define sys_siglist that you should
2247 also define SYS_SIGLIST_DECLARED.
2249 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
2250 are relative to the next instruction, not the current instruction.
2252 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
2254 * local-alloc.c (contains_replace_regs): New function.
2255 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
2256 verify that there is no existing REG_EQUIV note, and add a call to
2257 contains_place_regs.
2259 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2261 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
2262 (STARTFILE_SPEC): Always use crtbegin.o%s
2263 (ENDFILE_SPEC): Always use crtend.o%s.
2265 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
2267 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
2269 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
2270 SFmode for 64 bit hosts.
2272 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
2274 * fixincludes: Permits spaces between # and define. Discard C++
2275 comments in sys/pci.h on HP/UX 10.20.
2277 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
2279 * version.c: Bump for snapshot.
2281 * pa.c (restore_unscaled_index_insn_codes): New function.
2282 (record_unscaled_index_insn_codes): Likewise.
2283 (output_function_prologue): Call restore_unscaled_index_insn_codes.
2284 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
2285 (pa_reorg): Call record_unscaled_index_insn_codes.
2287 * haifa-sched.c (move_insn): Handle notes correctly for insns
2288 with SCHED_GROUP_P set.
2290 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2292 * alpha/xm-linux.h (USE_BFD): Undef before define.
2294 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
2296 * cse.c (cse_insn): Don't record BLKmode values.
2298 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
2300 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
2302 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
2304 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
2305 * collect2.c (sys_errlist): Likewise.
2306 * cpplib.c (sys_errlist): Likewise.
2307 * gcc.c (sys_errlist): Likewise.
2308 * protoize (sys_errlist): Likewise.
2309 * configure.in: Check for strerror.
2310 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
2311 * xm-gnu.h (HAVE_STRERROR): Likewise.
2312 * xm-linux.h (HAVE_STRERROR): Likewise.
2313 * xm-netbsd.h (HAVE_STRERROR): Likewise.
2314 * xm-bsd386.h (HAVE_STRERROR): Likewise.
2315 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
2316 * xm-dos.h (HAVE_STRERROR): Likewise.
2317 * xm-mingw32.h (HAVE_STRERROR): Likewise.
2318 * xm-pa.h (HAVE_STRERROR): Likewise.
2319 * xm-papro.h (HAVE_STRERROR): Likewise.
2320 * xm-sysv4.h (HAVE_STRERROR): Likewise.
2321 * configure, config.in: Rebuilt.
2323 * Makefile.in: Add several missing "else true" clauses.
2325 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
2326 * mips-tfile.c: Likewise.
2327 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
2328 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
2329 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
2330 * configure.in: Check for sys_siglist declaration.
2331 * configure, config.in: Rebuilt.
2333 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
2335 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
2336 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
2337 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
2338 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
2339 * rs6000/sysv4.h (extra_subtarget_switches): Added new
2340 macro EXTRA_SUBTARGET_SWITCHES.
2341 * configure.in (sh*-*-rtems*): New target.
2342 * sh/rtems.h: New file.
2343 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
2344 * configure: Rebuilt.
2346 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
2348 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
2350 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
2352 * rs6000.md: Make DF fused-add operations pay attention to
2355 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
2357 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
2359 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
2361 * pa.md (reload_peepholes): Make sure operand is a REG before
2362 examining REGNO. Allow general registers too.
2364 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
2366 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
2368 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
2370 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
2371 to reallocate abbrev_die_table.
2373 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
2375 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
2377 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2379 * Makefile.in (config.status): Depend on version.c
2381 * expr.h (insn_gen_function): Reenable prototype.
2383 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
2386 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
2388 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
2390 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
2392 * version.c: Bump for latest snapshot.
2394 * bc-optab.c: Conditionally include stdlib.h.
2395 (free): Provide a declaration if NEED_DECLARATION_FREE.
2396 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
2397 * rtl.h (free): Remove declaration.
2398 * tree.h (free): Remvoe declaration.
2400 * configure: Rebuilt.
2402 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
2404 * flags.h (flag_move_all_movables): Declare.
2405 (flag_reduce_all_givs): Likewise.
2406 * loop.c (move_movables): Handle flag_move_all_movables.
2407 (strength_reduce): Handle flag_reduce_all_givs.
2408 * toplev.c (flag_move_all_movables): Define.
2409 (flag_reduce_all_givs): Likewise.
2410 (f_options): Add -fmove-all-movables and -freduce-all-givs.
2411 * invoke.texi: Document new options, including alias stuff that
2412 wasn't included last time.
2414 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
2416 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
2419 * t-vxworks68: Ditto.
2420 * t-vxworks960: Ditto.
2423 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
2425 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
2426 if not already defined, and USE_C_ALLOCA not defined.
2428 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
2430 * config.guess: Replace with script that uses ../config.guess.
2432 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
2433 if USE_GNULIBC_1 is not defined.
2435 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
2437 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
2438 * config.guess: Recognize alpha-linux-gnulibc1.
2439 * configure.in (alpha-*-linux-gnulibc1): New target.
2440 (alpha-*-linux-gnu*): Don't build crtbegin/end.
2442 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
2444 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
2447 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
2449 * loop.c (combine_movables): Earlier insns don't match later ones.
2451 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2453 * config/linux.h (CC1_SPEC): Define it only if not defined.
2455 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
2458 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
2459 USE_GNULIBC_1 is not defined.
2461 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
2463 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
2464 as 1 if USE_GNULIBC_1 is not defined.
2466 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
2468 * reorg.c (dbr_schedule): Allow current_function_return_rtx
2469 to be something other than a REG.
2470 * function.c (expand_function_end): Fix current_function_return_rtx
2473 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
2474 * x-netbsd: Likewise
2475 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
2476 (INSTALL_HEADERS): Delete.
2477 * x-dguxbcs: Likewise.
2478 * x-hp3bsd44: Likewise
2481 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2483 * i386.md (pop): pop increments the stack pointer.
2484 (prologue_set_stack_ptr): New pattern.
2485 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
2488 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
2490 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
2491 address where an offsettable address is required.
2493 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
2495 * loop.c (check_final_value): Don't miss a biv increment in a
2498 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
2500 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
2501 TYPE_DECL_IS_STUB instead of DECL_NAME.
2503 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2505 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
2507 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
2509 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
2511 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
2513 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
2514 (find_post_sched_live): Likewise.
2516 * haifa-sched.c (schedule_block): Remove old code to get arguments
2517 from hard regs into pseudos early.
2519 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
2521 * version.c: Bump for new snapshot.
2523 * local-alloc.c (update_equiv_regs): All the target to reject
2524 promotion of some REG_EQUAL to REG_EQUIV notes.
2525 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
2527 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
2530 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
2531 store of the argument registers.
2533 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
2535 * fold-const.c (multiple_of_p): New function.
2536 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
2538 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
2540 * expr.h (insn_gen_function): Temporarily remove prototype.
2542 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
2544 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
2545 filenames. Use sed to extract base filename for install.
2547 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
2549 * unroll.c (find_splittable_givs): Only share if two givs have the
2550 same add and multiply values.
2552 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
2554 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
2555 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
2557 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
2559 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
2560 around branch tables.
2561 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
2562 and .end_brtab directives if TARGET_GAS.
2564 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
2566 * alias.c (true_dependence): Pass x_addr not x to varies.
2568 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
2569 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
2570 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
2572 * config.in, configure: Regenerate.
2574 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
2576 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
2578 (record_set): Handle LO_SUM like PLUS.
2579 (init_alias_analysis): When following chains of base addresses,
2580 do not stop on reaching a hard register.
2582 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
2584 * version.c: Bump for new snapshot.
2586 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
2588 * alpha.h (ARCH_ASM_FILE_START): Define.
2589 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
2590 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
2592 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
2594 * Makefile.in (install-common): Put gcov comment at start of line.
2596 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
2598 * alias.c (init_alias_analysis): When simplifying the reg_base_value
2599 array, simplify entries for hard registers too.
2601 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
2603 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
2606 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
2608 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
2609 block_stack before dereferencing it.
2611 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
2613 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
2615 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2617 * cplus-dem.c: Add 'extern' to prepends_underscore.
2619 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
2621 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
2622 (get_issue_rate): Delete.
2623 * pa.h (ISSUE_RATE): Define.
2625 * configure.in: Turn on haifa by default for the PA.
2626 * configure: Rebuilt.
2627 * pa.c (override_options): Accept -mschedule=7200 option.
2628 (pa_adjust_cost): No longer need to scale costs for newer
2630 * pa.h (enum processor_type): Add PROCESSOR_7200.
2631 * pa.md: Revamp scheduling parameters to work better with
2632 haifa. Add scheduling parameters for the 7200.
2634 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
2636 (schedule_block): When adjusting basic_block_{head,end}, account
2637 for movement of SCHED_GROUP_P insns too.
2639 * haifa-sched.c (debug_dependencies): Fix thinko.
2641 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
2642 (site.exp, check, check-g++, check-gcc): New targets.
2644 * haifa-sched.c: Make lots of variables static.
2646 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2648 * expr.h, real.h: Finish prototyping.
2650 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
2652 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
2653 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
2654 * reload1.c: Undo bugfix from Aug 11.
2656 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
2658 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
2659 quotes around the name.
2660 * configure: Regenerate.
2662 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
2664 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
2666 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
2668 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
2669 to sub-makes to avoid building more passes than the user might have
2670 requested on the command line.
2672 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
2674 * configure.in: Expurgate `broken_install' (install is
2677 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
2680 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
2682 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
2683 functions and declarations.
2684 (analyze_loop_iterations): Use condjump_p.
2685 (insert_bct): Likewise. Use exact_log2.
2687 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
2689 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
2690 (schedule_region): Likewise.
2691 (schedule_insns): Likewise.
2693 * PROJECTS: Update with Haifa stuff.
2695 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
2697 * version.c: Change the version string to look like:
2698 egcs-2.90.00 970814 (gcc2-970802 experimental).
2700 * loop.c (is_conditional_branch): Make definition match declaration.
2702 * gcc.c: Take out experimental snapshot warning message.
2704 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
2706 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
2707 print out the names of the notes. Print out the name of the insn
2708 that is not a note, and not an {,CALL_,JUMP_}INSN.
2710 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2712 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
2713 again for the slot after we give it RTL.
2715 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
2717 * configure.in (haifa configury): Fix typo.
2718 * configure: Regenerate.
2720 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
2722 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
2724 * gcc.info*: Rebuilt.
2726 * COPYING.g77, README.g77: New files.
2727 * real.c (ereal_unto_float, ereal_unto_double): New functions.
2728 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
2729 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
2731 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
2733 * Integrate Haifa instruction scheduler.
2734 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
2735 to sched with $(SCHED_CFLAGS.
2736 * configure.in: Handle --enable-haifa.
2737 * configure: Rebuilt.
2738 * flags.h: Add new flags for haifa instruction scheduler.
2739 * genattrtab.c (expand_units): For haifa, don't subtract one
2740 when computing blockage.
2741 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
2742 (flag_schedule_speculative): Ditto.
2743 (flag_schedule_speculative_load): Ditto.
2744 (flag_schedule_speculative_load_dangerous): Ditto.
2745 (flag_schedule_reverse_before_reload): Ditto.
2746 (flag_schedule_reverse_after_reload): Ditto.
2747 (flag_branch_on_count_reg): Ditto.
2748 (f_options): Add Haifa switches.
2749 (main): Turn off some Haifa options if appropriate macro is
2750 defined. Process Haifa switches.
2751 * unroll.c (iteration_info): No longer static, since Haifa
2753 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
2754 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
2755 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
2756 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
2757 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
2758 storage for the Haifa scheduler.
2759 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
2761 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
2762 are defined, call analyze_loop_iterations and insert_bct to use
2764 (record_giv): Refine test for jumps out of loops if HAIFA is
2766 (analyze_loop_iterations): New function to identify if we can use
2768 (insert_bct): Insert countdown loop.
2769 (instrument_loop_bct): Low level code to insert countdown loop.
2770 (loop_number): Calculate UID of loop.
2771 (indirect_jump_in_function_p): Return true if an indirect jump is
2773 (is_power_of_2): Return true if value is a power of 2.
2774 (is_conditional_branch): Return true if insn is a conditional
2776 (fix_bct_param): Process -fbct-{min,max}-N switches.
2777 (check_bct_param): Return true if loop should be instrumented.
2778 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
2779 (loop_optimize): Initialize.
2780 (get_condition_for_loop): Ditto.
2781 * loop.c (strength_reduce): Inside of code that uses #ifdef
2782 HAVE_decrement_and_branch_on_count code, test it to make sure the
2784 (instrument_loop_bct): Ditto.
2785 * haifa-sched.c: New file.
2788 * Integrate regmove pass.
2789 * Makefile.in (OBJS): Add regmove.o
2790 (regmove.o): Add dependencies.
2791 * flow.c (find_use_as_address): No longer static.
2792 * rtl.h (find_use_as_address): Declare.
2793 * toplev.c (regmove_dump, flag_regmove): Define.
2794 (f_options): Add -fregmove.
2795 (regmove_dump_file, regmove_time): Define.
2796 (fatal_insn): Close the regmove dump file.
2797 (compile_file): Initialize regmove_time; open/close the regmove dump
2798 file as needed. Print regmove time as needed.
2799 (rest_of_compilation): Run regmove pass if requested, dump
2800 RTL after regmove if requested.
2801 (main): If -O2 or more, turn on regmove. Handle dump switches.
2802 * regmove.c: New file.
2804 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
2806 * Integrate tlink patch from jason@cygnus.com
2807 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
2808 (process_command): Increment n_switches for them. Don't discard
2809 their args. Validate them.
2810 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
2812 (process_command): Set include_prefixes from COMPILER_PATH.
2813 (main): Set COLLECT_GCC_OPTIONS sooner.
2814 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
2815 * tlink.c, hash.c, hash.h: New files.
2816 * Makefile.in (USE_COLLECT2): Always use collect2.
2817 (collect2): Depend on and link in hash.o and tlink.o.
2818 (tlink.o, hash.o): Add dependencies.
2820 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
2822 * Integrate alias analysis changes from jfc@mit.edu
2823 * Makefile.in (OBJS): Add alias.o
2824 (alias.o): Add dependencies.
2825 * alias.c: New file.
2826 * sched.c: Remove alias analysis code. It lives in alias.c now.
2827 (sched_analyze_2): Add new arguments to true_dependence.
2828 (schedule_insns): Always call init_alias_analysis.
2829 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
2830 mark return value from such functions as a pointer and keep track of
2831 them for alias analysis. If a return value from a function is a
2832 pointer, mark it as such.
2833 * combine.c (distribute_notes): Handle REG_NOALIAS.
2834 * cse.c (struct write_data): Delete. No longer needed.
2835 (invalidate): Don't call set_nonvarying_address_components anymore.
2836 Use true_dependence to decide if an entry should be removed from
2838 (invalidate_memory): Remove WRITES argument, simplify appropriately.
2840 (note_mem_written): Similarly for WRITE_PTR argument.
2841 (invalidate_from_clobbers): Similarly for W argument.
2842 (invalidate_for_call): Remove memory elements from the hash table.
2843 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
2844 (cse_rtx_varies_p): New function. Derived from old
2845 cse_rtx_addr_varies_p.
2846 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
2847 Don't call note_mem_written anymore. Stack pushes invalidate the stack
2848 pointer if PUSH_ROUNDING is defined. No longer need to call
2849 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
2850 (skipped_writes_memory): Remove variable.
2851 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
2852 (invalidate_skipped_block): Simplify for new alias analysis code.
2853 (cse_set_around_loop): Likewise.
2854 (cse_main): Call init_alias_analysis.
2855 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
2856 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
2857 (f_options): Add new alias checking arguments.
2858 (main): Set flag_alias_check when optimizing.
2859 * local_alloc (validate_equiv_mem_from_store): Add new arguments
2861 (memref_referenced_p): Likewise.
2862 * loop.c (NUM_STORES): Increase to 30.
2863 (prescan_loop): Only non-constant calls set unknown_address_altered.
2864 (invariant_p): Add new arguments to true_dependence.
2865 (record_giv): Initialize unrolled and shared fields.
2866 (emit_iv_add_mult): Call record_base_value as needed.
2867 * loop.h (struct induction): Add unrolled and shared fields.
2868 * unroll.c (unroll_loop): Call record_base_value as needed.
2869 (copy_loop_body): Likewise.
2870 (final_biv_value): Likewise.
2871 (final_giv_value): Likewise.
2872 (find_splittable_regs): Likewise. Only create one new pseudo
2873 if we have multiple address GIVs that were combined with the same
2874 dst_reg GIV. Note when a new register is created due to unrolling.
2875 * rtl.c (reg_note_name): Add REG_NOALIAS.
2876 * rtl.h (enum reg_note): Similarly.
2877 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
2878 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
2879 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
2880 (true_dependence, read_dependence, anti_dependence): Likewise.
2881 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
2882 (mark_user_reg, mark_reg_pointer): Likewise.
2885 * Integrate reload bugfix from Wilon which enables the PA port
2887 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
2888 OPERAND_ADDRESS when computing how many registers an insn needs.
2889 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
2891 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
2893 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
2894 in reload_reg_use_in_op_addr do not reach the end.
2895 do not reach the end.
2896 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
2897 RELOAD_FOR_OPERAND_ADDRESS.
2899 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
2901 * egcs project officially starts.