1 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
3 * fixincludes: Be a little more restrictive on what we will
4 substitute to replace definitions of MAXINT for HPUX.
6 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
8 * dbxout.c (dbxout_symbol_location): Don't assume that variables
9 whose address is the stack or argument pointers are indirect
12 1997-11-13 Paul Eggert <eggert@twinsun.com>
14 * cccp.c, cpplib.c (compare_defs):
15 Don't complain about arg name respellings unless pedantic.
16 * cpplib.c (compare_defs): Accept pfile as new arg.
19 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
21 * fold-const.c (fold_truthop): Fix bug in last change.
23 1997-11-13 Paul Eggert <eggert@twinsun.com>
25 Fix some confusion with IEEE minus zero.
27 * real.h (REAL_VALUES_IDENTICAL): New macro.
29 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
30 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
32 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
33 same tree structure as 0.0.
35 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
36 macro instead of doing it by hand.
38 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
40 * v850/lib1funcs.asm: Minor whitespace changes.
41 * v850.c: Fix minor formatting problems in many places.
42 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
44 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
46 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
47 xplus1 when xplus0 is not a register.
49 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
51 * flow.c (find_basic_blocks): During marking phase, if we encounter
52 an insn with a REG_LABEL note, make the target block live and
53 create an edge from the insn to the target block. Do not make
54 edges from all blocks to the target block.
56 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
58 * confiugre.in: Tweak NCR entries.
61 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
63 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
64 pick apart floating point values, instead of using CONST_DOUBLE_LOW
65 and CONST_DOUBLE_HIGH.
67 * rs6000.md (define_splits for DF constants): Use the appropriate
68 REAL_VALUE_* interface to pick apart DF floating point constants in
69 a machine independent fashion.
71 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
73 * fold-const.c (fold_truthop): When changing a one-bit comparison
74 against zero into a comparison against mask, do a proper sign
77 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
79 * except.c: Do not include "assert.h".
80 (save_eh_status): Turn asserts into conditional aborts.
81 (restore_eh_status, scan_region): Likewise.
82 * dwarfout.c: Do not include "assert.h".
83 (bit_offset_attribute): Turn asserts into conditional aborts.
84 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
85 (output_inlined_structure_type_die): Likewise.
86 (output_inlined_union_type_die): Likewise
87 (output_tagged_type_instantiation): Likewise.
88 (dwarfout_file_scope_decl): Likewise.
89 * dwarf2out.c: Do not include "assert.h"
90 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
91 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
92 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
93 (add_bit_size_attribute, scope_die_for): Likewise.
94 (output_pending_types_for_scope): Likewise.
95 (get_inlined_enumeration_type_die): Likewise.
96 (get_inlined_structure_type_die): Likewise.
97 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
98 (gen_tagged_type_instantiation_die): Likewise.
100 * flow.c (find_basic_blocks): Refine further to get a more correct
101 cfg, especially in the presense of exception handling, computed
102 gotos, and other non-trivial cases. Call abort if an inaccuracy
103 is detected in the cfg.
105 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
107 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
109 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
110 (skip_white_space): Use whitespace_cr.
111 (check_newline): Handle whitespace more consistently.
113 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
115 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
116 * i386/xm-cygwin32.h (POSIX): Define.
118 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
120 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
121 is available elsewhere.
123 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
125 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
126 what the instruction can handle.
128 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
130 * stmt.c (expand_decl_cleanup_no_eh): New fn.
132 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
134 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
136 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
137 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
139 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
141 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
142 swap instruction order.
144 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
146 * fixinc.svr4 (__STDC__): Add another case.
148 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
150 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
151 addresses in the epilogue delay slot.
153 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
155 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
156 in generated `specs' file.
158 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
160 * flags.h (flag_rerun_loop_opt): Declare.
161 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
162 * toplev.c (flag_rerum_loop_opt): Delete static.
164 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
168 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
170 * va-sh.h (__va_arg_sh1): Define.
172 SH3E doesn't use any integer registers for subsequent arguments
173 once a non-float value was passed in the stack.
174 * sh.c (machine_dependent_reorg): If optimizing, put explicit
175 alignment in front label for ADDR_DIFF_VEC.
176 * sh.h (PASS_IN_REG_P): Fix SH3E case.
177 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
179 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
181 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
184 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
186 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
187 put an use_sfunc_addr before each sfunc.
188 * sh.md (use_sfunc_addr, dummy_jump): New insns.
189 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
191 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
193 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
195 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
197 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
200 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
202 * alias.c (find_base_value): Only return the known base value for
205 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
207 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
208 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
210 (prologue_get_pc_and_set_got): New pattern.
212 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
214 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
215 for SUBREG, just fall through.
217 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
219 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
221 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
223 * fixincludes: Fix "hypot" prototype in NeXT math.h.
225 * Makefile.in (USE_ALLOCA): Always include alloca.o.
226 (USE_HOST_ALLOCA): Likewise.
228 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
229 and LABEL_REFS fields.
230 * rtl.h (LABEL_REFS): Update.
232 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
234 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
235 sets i2dest. When calling distribute_notes for i3dest_killed, pass
236 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
239 * mips.md (insv, extzv, extv): Add change_address call.
240 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
242 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
244 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
246 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
247 save_restore_insns if no FP and GP will be restored.
249 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
250 Convert CCmode to word_mode before calling GET_MODE_SIZE.
252 * acconfig.h (HAVE_INTTYPES_H): Undef.
253 * configure.in (inttypes.h): Check for conflicts between sys/types.h
254 and inttypes.h, and verify that intmax_t is defined.
255 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
256 * config/mips/x-iris3: Likewise.
258 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
260 * alias.c (find_base_value): When copying arguments, return the
261 tenative value for a hard register.
263 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
265 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
266 (yylex): Record wide strings using target endianness, not host.
268 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
270 * mn10200.h (ASM_OUTPUT_BSS): Delete.
271 (ASM_OUTPUT_ALIGNED_BSS): New macro
272 * mn10300.h (ASM_OUTPUT_BSS): Delete.
273 (ASM_OUTPUT_ALIGNED_BSS): New macro.
274 * v850.h (ASM_OUTPUT_BSS): Delete.
275 (ASM_OUTPUT_ALIGNED_BSS): New macro.
277 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
279 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
281 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
283 * configure.in (sco5): Use cpio to install header files.
285 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
287 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
289 * configure: Rebuild.
291 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
293 * i386/sco5.h: enable -gstabs once again.
295 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
297 * arm.c (output_move_double): Allocate 3 entries in otherops array.
299 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
301 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
302 notes for sjlj exceptions too.
303 (expand_eh_region_end): Similarly for EH_REGION_END notes.
304 (exception_optimize): Optimize EH regions for sjlj exceptions too.
305 * final.c (final_scan_insn): Don't output labels for EH REGION
306 notes if doing sjlj exceptions.
308 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
310 * alias.c (init_alias_analysis): Handle -fno-alias-check when
311 optimizing correctly.
313 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
314 or set current_function_calls_setjmp anymore.
316 * flow.c (find_basic_blocks): If we delete the label for an
317 exception handler, remove it from the EH label list and remove
318 the EH_BEGIN/EH_END notes for that EH region.
320 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
322 * flow.c (find_basic_blocks): Generate correct flow control
323 information when exception handling notes are present.
325 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
327 * dwarf2out.c (output_call_frame_info): Fix length argument
329 (output_die, output_pubnames, output_line_info): Likewise.
331 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
333 * version.c: Bump for snapshot.
335 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
336 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
337 flag_debug_asm is on.
338 (output_die, output_pubnames, output_line_info): Likewise.
340 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
341 and static_chain_rtx into the potential base values array if
344 * alias.c (new_reg_base_value): New array of potential base values.
345 (unique_id): Now file scoped static.
346 (find_base_value, case REG): Return the value in reg_base_value
347 array for the REG if it exists. Else, return the value from
348 new_reg_base_value if copying args and REG is a hard register.
349 (find_base_value, case PLUS): If either operand of the PLUS is
350 a REG, try to get its base value. Handle base + index and
352 (record_set): Use new_reg_base_value instead of reg_base_value.
353 (init_alias_analysis): Allocate space for new_reg_base_value too.
354 Rework code to iterate over the insns propagating base value
355 information until nothing changes.
357 * global.c (global_alloc): Free the conflict matrix after
360 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
362 * libgcc2.c (L_eh): Define __eh_pc.
363 Replace __eh_type with generic pointer __eh_info.
365 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
367 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
368 use copy_to_reg if address is not a general_operand.
370 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
372 * profile.c (output_func_start_profiler): Clear flag_inline_functions
373 for the duration of the call to rest_of_compilation.
375 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
377 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
379 (sparc*-*-*): Recognize --with-cpu=v9.
380 * sparc/elf.h: New file.
381 * sparc/t-elf: New file.
383 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
385 * mn10300.c (const_8bit_operand): New function.
386 (mask_ok_for_mem_btst): New funtion.
387 * mn10300.md (btst patterns with mem operands): Use new functions
388 to avoid creating btst instructions with invalid operands.
390 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
392 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
393 are running on PowerPC Linux.
395 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
397 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
398 if not previously defined.
400 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
402 * function.c (assign_parms): Correct mode of stack_parm if
403 entry_parm underwent a mode conversion.
405 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
407 * global.c (global_alloc): Use xmalloc instead of alloca for
408 CONFLICTS, since max_allocno * allocno_row_words alone can be more
409 than 2.5Mb sometimes.
411 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
413 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
414 DEST for the spill, adjust mode of SRC to compensate.
416 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
418 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
419 since any_memory_operand() allows pseudos during reload.
420 (reload_inhi, reload_outqi, reload_outhi): Likewise.
422 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
424 * m68k.md (btst patterns): Add 5200 support.
426 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
428 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
429 optimizations, look inside dividend to determine if the expression
430 can be simplified by using EXACT_DIV_EXPR.
432 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
435 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
437 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
439 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
441 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
443 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
446 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
448 * alpha.md (movqi, movhi): Make sure new insns created during reload
449 won't need reloading themselves.
450 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
452 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
454 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
456 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
458 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
459 Patch from Klaus Kaempf <kkaempf@progis.de>.
461 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
463 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
464 to an element in a constant string.
466 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
468 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
469 bit PC-relative offset. The exception range table pointer is now in
471 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
472 (count_fdes, add_fdes, get_cie): Adjust.
473 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
476 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
478 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
480 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
481 like stack_pointer_rtx.
483 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
485 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
486 targets using "$@" to provide support for similar but not identical
487 targets without having to duplicate code.
488 (bootstrap4): New goal.
490 * Makefile.in (compare, compare-lean, compare3): Combined to one
491 ruleset determining actions to be performed via $@.
492 (compare4, compare4-lean): New targets.
493 (gnucompare, gnucompare3): Combined to one ruleset determining
494 actions to be performed via $@. Also, note which files failed
495 the comparison test in .bad_compare.
496 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
498 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
500 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
501 if the dividend is a multiple of the divisor.
503 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
505 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
507 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
510 * alias.c (true_dependence): Fix typo.
512 * toplev.c (flag_rerun_loop_opt): New variable.
513 (f_options): Handle -frerun-loop-opt.
514 (rest_of_compilation): If -frerun-loop-opt, then run the loop
516 (main): Enable -frerun-loop-opt by default for -O2 or greater.
518 * loop.c (simplify_giv_expr): Adding two invariants results
521 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
523 * expr.c (get_inner_reference): Remove the array bias after
524 converting the index to Pmode.
526 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
528 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
529 (TARGET_MULT_BUG): Define.
530 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
531 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
533 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
535 * mn10200.c (indirect_memory_operand): Delete unused function.
536 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
537 * mn10200.md (bset, bclr insns): Handle output in a reg too.
539 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
541 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
542 the callee's ldgp, we must do it ourselves, and we use the jsr tag
543 for more than scheduling.
545 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
547 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
549 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
551 * mn10300.c (symbolic_operand, legitimize_address): New functions.
552 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
553 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
555 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
557 * version.c: Bump for snapshot.
559 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
561 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
564 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
566 * toplev.c (flag_exceptions): Default value is 2.
567 (compile_file): If flag_exceptions still has the value 2, then
570 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
571 (rs6000_save_machine_status): Save pic_offset_table_rtx.
572 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
574 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
577 * rs6000.md (*movsi_got_internal_mem): New pattern.
578 (*movsi_got_internal_mem splitter): New define_split.
580 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
582 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
584 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
586 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
587 only need to save LR.
589 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
591 * mn10300.md (movqi, movhi): Avoid using address registers as
592 destinations unless absolutely necessary.
594 * mn10200.c (expand_prologue): Fix typo.
596 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
598 * mn10200.md (neghi2): Provide an alternative which works if
599 the input and output register are the same.
601 * mn10300.c (print_operand): Handle 'S'.
602 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
603 shift amount in last alternative
605 * mn10300.c (expand_epilogue): Rework to handle register restores
606 in "ret" and "retf" instructions correctly.
608 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
610 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
611 extzv for memory operands.
613 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
614 redundant conditional moves to single operand.
616 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
618 * v850.h: Move define of __v850__ from CPP_PREDEFINES
621 * xm-v850.h: Use __v850 rather than __v850__ to
624 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
626 * mips/mips.c (compute_frame_size): Not a leaf function if
629 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
631 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
633 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
635 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
636 (DEFAULT_ARCH32_P): New macro.
637 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
638 (enum cmodel): Declare.
639 (sparc_cmodel_string,sparc_cmodel): Declare.
640 (SPARC_DEFAULT_CMODEL): Provide default.
641 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
642 (TARGET_FULLANY): Deleted.
643 (TARGET_CM_MEDMID): New macro.
644 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
645 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
646 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
648 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
649 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
650 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
651 (ASM_SPEC): Add %(asm_arch).
652 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
653 Rename asm_default to asm_cpu_default.
654 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
655 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
656 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
657 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
658 (MASK_INT64,MASK_LONG64): Delete.
659 (MASK_ARCH64): Renamed to MASK_64BIT.
660 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
661 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
662 (TARGET_SWITCHES): Always provide 64 bit options.
663 (ARCH64_SWITCHES): Delete.
664 (TARGET_OPTIONS): New option -mcmodel=.
665 (INT_TYPE_SIZE): Always 32.
666 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
667 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
668 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
669 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
670 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
672 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
673 * sparc/linux.h: Likewise.
674 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
675 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
676 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
677 (SPARC_DEFAULT_CMODEL): Define.
678 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
679 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
680 (LONG_DOUBLE_TYPE_SIZE): Define.
681 (ASM_SPEC): Add %(asm_arch).
682 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
683 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
684 (TARGET_CPU_DEFAULT): Add ultrasparc case.
685 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
686 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
687 (SPARC_DEFAULT_CMODEL): Define.
688 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
689 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
690 MASK_LONG64, MASK_MEDANY.
691 (SPARC_DEFAULT_CMODEL): Define.
692 (CPP_PREDEFINES): Delete.
693 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
694 (ASM_SPEC): Add %(asm_arch).
695 (LONG_DOUBLE_TYPE_SIZE): Define.
696 (DWARF2_DEBUGGING_INFO): Define.
697 * sparc/splet.h (CPP_SPEC): Delete.
698 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
699 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
700 (BLOCK_PROFILER): Likewise.
701 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
702 (sparc_override_options): Handle code model selection.
703 (sparc_init_expanders): Renamed from sparc64_init_expanders.
704 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
705 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
706 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
707 (sethi_di_fullany): Delete.
709 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
710 Jeff Law <law@cygnus.com>
711 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
713 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
714 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
715 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
716 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
717 * alpha/alpha.md (arg_home): Likewise.
719 * alpha/alpha.c (vmskrunch): Delete
720 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
721 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
722 truncate to 64 characters.
724 * make-l2.com: Support openVMS/Alpha.
726 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
728 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
730 * longlong.h (count_leading_zeros): Add missing casts to USItype.
732 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
734 * i386/bsd386.h (ASM_COMMENT_START): Define.
736 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
738 * tree.c (restore_tree_status): Also free up temporary storage
739 when we finish a toplevel function.
740 (dump_tree_statistics): Print stats for backend obstacks.
742 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
744 * expr.c (use_group_regs): Don't call use_reg for MEMs.
746 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
748 * libgcc2.c (__throw): Don't copy the return address.
749 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
751 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
752 * toplev.c (main): Initialize exceptions_via_longjmp.
754 * tree.c: Add extra_inline_obstacks.
755 (save_tree_status): Use it.
756 (restore_tree_status): If this is a toplevel inline obstack and we
757 didn't want to save anything on it, recycle it.
758 (print_inline_obstack_statistics): New fn.
759 * function.c (pop_function_context_from): Pass context to
761 * obstack.h (obstack_empty_p): New macro.
763 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
765 * i386/freebsd.h (ASM_COMMENT_START): Fix.
767 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
769 * v850.c (ep_memory_offset): New function.
770 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
772 * v850.h (CONST_OK_FOR_*): Add and correct comments.
773 (CONSTANT_ADDRESS_P): Add comment.
774 (EXTRA_CONSTRAINT): Define 'U'.
775 * v850.md: Add comments on bit field instructions.
776 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
777 (lshrsi3): Use N not J constraint.
779 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
781 * v850.c (reg_or_0_operand): Call register_operand.
782 (reg_or_int5_operand): Likewise.
783 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
784 (TARGET_SWITCHES): Add "big-switch".
785 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
786 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
787 (CASE_DROPS_THROUGH): Comment out.
788 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
789 * v850.md (cmpsi): Delete compare mode.
790 (casesi): New pattern.
792 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
793 * v850.md (ashlsi3): Use SImode not QImode for shift count.
796 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
797 unreachable switch statement after 'b' support. Remove "b" from
798 strings for 'b' support.
799 * v850.md (branch_normal, branch_invert): Change %b to b%b.
801 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
803 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
804 empty line if @inhibit_libc@ is empty.
806 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
808 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
809 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
810 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
811 (DWARF2_UNWIND_INFO): Let this track object file format.
812 (EXTRA_SECTIONS): Add in_eh.
813 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
814 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
816 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
818 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
819 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
821 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
822 (output_double_int): Output DI mode values correctly when
823 HOST_BITS_PER_WIDE_INT is 64.
824 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
825 fmovd so it works if a quad float ends up in one of the upper 32
827 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
828 necessary for PIC support on sparc64.
830 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
832 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
833 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
834 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
835 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
836 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
837 (SPARC_FP_ARG_FIRST): New macro.
838 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
839 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
840 (NPARM_REGS): There are 32 fp argument registers now.
841 (FUNCTION_ARG_REGNO_P): Likewise.
842 (FIRST_PARM_OFFSET): Update to new v9 abi.
843 (REG_PARM_STACK_SPACE): Define for arch64.
844 (enum sparc_arg_class): Delete.
845 (sparc_arg_count,sparc_n_named_args): Delete.
846 (struct sparc_args): Redefine and use for arch32 as well as arch64.
847 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
848 (FUNCTION_ARG_ADVANCE): Rewrite.
849 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
850 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
851 (FUNCTION_ARG_CALLEE_COPIES): Delete.
852 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
853 (STRICT_ARGUMENT_NAMING): Define.
854 (doublemove_string): Declare.
855 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
856 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
857 (doublemove_string): New function.
858 (output_move_quad): Clean up some of the arch64 support.
859 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
860 Don't add 8 bytes of reserved space if arch64.
861 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
862 (init_cumulative_args): New function.
863 (function_arg_slotno): New static function.
864 (function_arg,function_arg_partial_nregs): New functions.
865 (function_arg_{pass_by_reference,advance}): New functions.
866 (function_arg_padding): New function.
867 * ginclude/va-sparc.h: Rewrite v9 support.
869 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
871 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
872 for hard regs to determine base and index registers.
874 * reload.c (debug_reload_to_stream): New function. Specify stream
875 into which to write debug info.
876 (debug_reload): Modify to call debug_reload_to_stream with stderr.
878 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
880 * combine.c (can_combine_p): Don't combine with an asm whose
881 output is a hard register.
883 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
885 * c-decl.c (start_struct): Ensure that structs with forward
886 declarations are in fact packed when -fpack-struct is given.
888 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
889 we are packing a structure. This allows a structure with only
890 bytes to be aligned on a byte boundary and have no padding on a
893 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
895 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
897 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
899 * alpha.c (alpha_return_addr_rtx): New variable.
900 (alpha_save_machine_status): New; save it.
901 (alpha_restore_machine_status): New; restore it.
902 (alpha_init_expanders): New; clear it.
903 (alpha_return_addr): New; set it.
904 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
905 is overly conservative, so search the insns explicitly.
906 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
907 (alpha_sa_size [VMS && !VMS]): Likewise.
908 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
909 (INIT_EXPANDERS): New definition.
911 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
912 (output_prolog [!VMS]): Use them.
914 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
915 (alpha_does_function_need_gp): ... a new function. Refine the
916 CALL_INSN test to just TYPE_JSR.
917 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
919 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
921 * version.c: Bump for snapshot.
923 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
925 * pa.c (move_operand): Respect -mdisable-indexing.
926 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
928 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
930 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
932 (umulsidi3,umulsi3_highpart): Ditto.
933 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
935 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
937 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
938 (alpha_handle_trap_shadows): ... a new function. Handle the entire
939 function in one go. Emit RTL for trapb, instead of printf directly.
940 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
941 (trap_pending): Kill global variable.
942 (output_epilog): Don't call final_prescan_insn.
943 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
944 * alpha.h (FINAL_PRESCAN_INSN): Remove.
945 (MACHINE_DEPENENT_REORG): Define.
946 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
949 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
951 Tune Haifa scheduler for Alpha:
952 * alpha.h (ISSUE_RATE): Define.
953 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
954 EV4 adjustments to EV5.
955 * alpha.md: Remove all scaling from function unit delays. Rework
956 EV5 function units to match the CPU.
957 (umuldi3_highpart): EV5 added the IMULH insn class.
959 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
961 * pa.c (following_call): Fail if the CALL_INSN is an indirect
964 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
966 * cplus-dem.c (demangle_signature): Don't look for return types on
967 constructors. Handle member template constructors.
969 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
971 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
972 * tree.h: Declare them.
974 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
976 * configure.in: Handle --with-newlib.
977 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
979 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
981 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
983 * config/ptx4.h: Fix typo.
985 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
987 * version.c: Bump for snapshot.
989 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
991 * aclocal.m4: Substitute INSTALL.
992 * configure: Re-built.
994 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
996 * integrate.c (save_for_inline_copying): Avoid undefined pointer
998 (expand_inline_function): Likewise.
1000 * dwarf2out.c (output_call_frame_info): Reinstate last change
1001 using flag_debug_asm check instead of flag_verbose_asm.
1003 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
1005 * dwarf2out.c (output_call_frame_info): Remove last change.
1007 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1009 * frame.c (__frame_state_for): Execute the FDE insns until the
1010 current pc value is strictly bigger than the target pc value.
1012 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
1014 * regclass.c (init_reg_modes): If we can't find a mode for the
1015 register, use the previous one.
1017 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
1019 * haifa-sched.c (print_block_visualization): Call fprintf directly,
1020 don't sprintf through an alloca'ed buffer.
1022 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
1024 * reload.c (decompose): Always initialize val.base.
1026 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1028 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
1029 instead of aborting.
1030 * dwarf2out.c (output_call_frame_info): Call app_enable and
1031 app_disable to let GNU as accept the generated comments.
1033 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
1035 * tree.h (get_file_function_name): Add declaration.
1036 * dwarf2out.c (output_call_frame_info): No need to cast
1037 get_file_function_name call anymore.
1038 * profile.c (toplevel): Remove get_file_function_name
1040 * c-lang.c (finish_file): Ditto.
1042 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
1044 * Makefile.in (program_transform_name): Let autoconf substitute
1047 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
1049 * haifa-sched.c (schedule_block): If the first real insn in a
1050 block has any special notes attached to it, remove them.
1052 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
1054 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
1056 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1058 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
1060 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
1062 * Makefile.in (check-g77): New test target.
1063 (CHECK-TARGETS): Add check-g77.
1065 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1067 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
1069 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
1071 * flow.c (print_rtl_with_bb): Cast alloca return value for
1074 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
1076 * i386.h (RETURN_ADDR_RTX): New definition that works for
1077 __builtin_return_address(0) and -fomit-frame-pointer.
1079 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
1081 Bring over from FSF.
1082 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
1084 * mips.c (function_arg): Handle passing a struct
1085 containing a double in a DFmode register without the PARALLEL.
1087 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
1089 * pexecute.c: Use spawn if __CYGWIN32__.
1091 * pexecute.c: Include "config.h" first, as per autoconf manual
1092 (from Paul Eggert <eggert@twinsun.com>).
1094 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1096 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
1097 optimisation for f/expr.o and f/stb.o.
1099 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
1101 * cse.c (this_insn_cc0_mode): Initialize.
1103 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
1105 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
1107 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
1109 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
1111 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
1112 that pair will dual-issue on the 21164 and plus+beq won't.
1113 (bne): Likewise for cmpeq+beq.
1115 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
1117 * except.c (find_exception_handler_labels): Correct argument to free.
1119 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
1121 * except.c (find_exception_handler_labels): Free LABELS when we're
1124 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
1126 * version.c: Bump for snapshot.
1128 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1130 * flow.c (find_basic_blocks): Mark calls as potentially jumping
1133 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
1135 * configure.in: Substitute for "install" too.
1136 * configure: Rebuilt.
1138 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
1140 * Makefile.in (bootstrap-lean, compare-lean): New targets.
1142 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
1144 * alias.c (base_alias_check): Two symbols can conflict if they
1145 are accessed via AND.
1146 (memrefs_conflict_p): Likewise.
1148 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
1149 after flushing argument registers to the stack.
1151 * Makefile.in (mostlyclean): Remove .regmove files.
1153 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1155 * libgcc2.c (__throw): Fix thinko.
1157 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
1159 * cplus-dem.c (demangle_template): Add new parameter. Handle new
1160 template-function mangling.
1161 (consume_count_with_underscores): New function.
1162 (demangle_signature): Handle new name-mangling scheme.
1164 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1166 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
1169 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
1171 * frame.c: Remove last change.
1172 * dwarf2.h: Remove last change.
1173 * tree.h: Add declarations of DWARF2 unwind info support
1176 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1178 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
1179 * tree.h (built_in_function): Likewise.
1180 * expr.c (expand_builtin): Likewise.
1181 * except.h: Likewise.
1182 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
1183 * libgcc2.c (copy_reg): New fn.
1186 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
1188 * c-typeck.c (build_binary_op): Warn about comparing signed vs
1189 unsigned if -W is specified and -Wno-sign-compare is not.
1190 * c-decl.c (warn_sign_compare): Initialize to -1.
1191 (c_decode_option): -Wall no longer implies -Wsign-compare.
1193 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1195 * frame.c: Include gansidecl.h for PROTO.
1196 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
1197 defined. Don't declare dwarf2out_cfi_label here.
1198 * dwarf2.h: Add declarations of DWARF2 unwind info support
1200 * m68k.c: Include dwarf2.h.
1201 (output_function_prologue): Add dwarf2 support.
1202 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
1203 (INCOMING_FRAME_SP_OFFSET): Likewise.
1205 * integrate.c (expand_inline_function): Make sure there is at
1206 least one insn that can be used as an insertion point.
1208 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1210 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
1212 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
1214 * version.c: Bump for snapshot.
1216 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
1218 Bring over from FSF.
1220 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
1222 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
1223 (get_pc_via_rdpc): Renamed from get_pc_sp64.
1224 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
1226 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
1228 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
1229 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
1231 (sparc_align_{loops,jumps,funcs}_string): Declare.
1232 (sparc_align_{loops,jumps,funcs}): Declare.
1233 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
1234 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
1235 (STACK_BIAS): Define.
1236 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
1238 (SPARC_SETHI_P): New macro.
1239 (CONST_OK_FOR_LETTER_P): Use it.
1240 (ASM_OUTPUT_ALIGN_CODE): Define.
1241 (ASM_OUTPUT_LOOP_ALIGN): Define.
1242 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
1243 (sparc_align_{loops,jumps,funcs}): New globals.
1244 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
1246 (move_operand): Use SPARC_SETHI_P.
1247 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
1249 (arith11_double_operand): Likewise.
1250 (arith10_double_operand): Likewise.
1251 (finalize_pic): Finish sparc64 support.
1252 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
1253 64 bit constants if able.
1254 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
1255 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
1257 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
1258 (get_pc_sp32): Use for sparc64 as well.
1259 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
1260 (sethi_di_sp64_const): Likewise.
1261 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
1262 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
1263 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
1265 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
1267 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
1268 * sparc/linux.h (COMMENT_BEGIN): Likewise.
1269 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
1271 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
1273 Add sparc64 linux support.
1274 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
1275 to xm_file list on 32-bit sparc-linux.
1276 * sparc/xm-sp64.h: New file.
1277 * sparc/linux64.h: New file.
1278 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
1279 Don't include xm-sparc.h.
1280 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
1281 * glimits.h (LONG_MAX): Handle sparc64.
1283 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
1285 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
1286 * sparc.h (ASM_COMMENT_START): Define.
1287 * sparc.c (output_function_prologue): Use it.
1288 (sparc_flat_output_function_{epi,pro}logue): Likewise.
1290 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
1292 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
1293 use sparc.h's copies.
1294 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
1297 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1299 * sparc.c (dwarf2out_cfi_label): Add declaration.
1300 (save_regs, output_function_prologue): Remove cast for it.
1301 (sparc_flat_{save_restore,output_function_prologue): Likewise.
1302 ({save,restore}_regs): No longer inline.
1304 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1306 * fold-const.c (make_range): Correctly handle cases of converting
1307 from unsigned to signed type.
1309 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1311 * fold-const.c (merge_ranges): Make sure that if one range is subset
1312 of another, it will always be the second range. Correct (+,-) case to
1315 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1317 * final.c (final_end_function): Also do dwarf2 thing if
1318 DWARF2_DEBUGGING_INFO.
1319 (final_start_function): Likewise.
1321 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
1323 * expmed.c (expand_divmod): If compute_mode is not the same as
1324 mode, handle the case where convert_modes() causes op1 to no
1325 longer be a CONST_INT.
1327 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
1328 note holding get_jump_flags() calculation to all JUMP_INSNs.
1329 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
1330 * rtl.c (reg_note_name): Add new note types.
1332 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
1334 * rtlanal.c (computed_jump_p): Fix typo in last change.
1336 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1338 * loop.c (indirect_jump_in_function_p): Return 0
1341 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
1343 * rs6000/xm-rs6000.h: Fix thinko in last change.
1344 * rs6000/xm-sysv4.h: Likewise.
1346 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
1348 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
1350 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
1352 * reg-stack.c (find_blocks): Fix thinko in last change.
1354 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1356 * m68k.c (output_function_prologue): Add dwarf2 support.
1358 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
1359 INCOMING_FRAME_SP_OFFSET): New definitions.
1361 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
1363 * combine.c (try_combine): Use NULL_RTX instead of '0' where
1364 appropriate in calls to gen_rtx().
1365 * cse.c (cse_main): Likewise.
1366 * emit-rtl.c (gen_label_rtx): Likewise.
1367 * expr.c (init_expr_once): Likewise.
1368 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
1369 sched_analyze, init_rgn_data_dependences,
1370 compute_block_backward_dependences): Likewise.
1371 * sched.c (schedule_insns): Likewise.
1372 * varasm.c (immed_double_const): Likewise.
1374 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
1375 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
1377 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
1379 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
1380 (MULTILIB_DEFAULTS): Define.
1381 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
1382 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
1383 (LIBGCC_SPEC): Likewise.
1384 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
1385 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
1386 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
1387 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
1388 (EXTRA_PARTS, TAROUTOPTS): Delete.
1389 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
1390 (MULTILIB_OPTIONS): Define.
1391 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
1392 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
1394 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
1396 * version.c: Bump for snapshot.
1398 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
1400 * loop.c (loop_number): Delete function. Change all references
1401 to use uid_loop_num array.
1402 * loop.h (loop_number): Delete declaration.
1403 * unroll.c (unroll_loop): Change "loop_number" references to
1404 use uid_loop_num instead.
1406 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
1408 (loop_unroll_iter): Remove unused variable and all references.
1409 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
1410 (insert_bct): Fix minor formatting problems.
1411 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
1412 (loop_unroll_iter): Removed unused decl.
1413 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
1414 Always record the unrolling factor.
1416 * cse.c (simplify_relational_operation): Set h0u just like h0s.
1417 Similarly for h1u and h1s.
1419 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
1420 (find_basic_blocks): Use computed_jump_p to determine if a
1421 particular JUMP_INSN is a computed jump.
1422 * reg-stack.c (find_blocks): Use computed_jump_p to determine
1423 if a particular JUMP_INSN is a computed jump.
1424 * rtlanal.c (jmp_uses_reg_or_mem): New function.
1425 (computed_jump_p): Likewise.
1426 * rtl.h (computed_jump_p): Declare.
1427 * genattrtab.c (pc_rtx): Define and initialize.
1428 * loop.c (loop_optimize): Always determine if the current
1429 function has a computed jump.
1430 (indirect_jump_in_function_p): Use computed_jump_p to determine
1431 if a particular JUMP_INSN is a computed jump.
1433 * loop.c (fix_bct_param): Delete unused function.
1434 (check_bct_param): Likewise.
1436 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1438 * frame.c (__deregister_frame): Check properly for initialized object.
1440 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1442 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
1444 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1446 * jump.c (thread_jumps): check can_reverse_comparison_p before
1447 threading a reversed-condition jump.
1449 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
1450 * haifa-sched.c (update_flow_info): Likewise.
1452 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
1454 * Makefile.in (BOOT_CFLAGS): Use -O2.
1456 * configure.in (strtoul, bsearch): Have autoconf check for these
1458 * configure, config.in: Rebuilt.
1460 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
1461 * mips/mips.h (alloca): Likewise.
1462 * rs6000/xm-rs6000.h (alloca): Likewise.
1463 * rs6000/xm-sysv4.h: Likewise.
1465 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
1467 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
1468 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
1469 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
1471 * except.c (end_eh_unwinder): Subtract 1 from return address.
1472 * libgcc2.c (__throw): Likewise.
1473 (find_exception_handler): Don't change PC here. Compare end with >.
1475 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
1477 * v850.c (compute_register_save_size): Correct register
1479 * v850.md (save_interrupt, return_interrupt): Correct
1481 * v850/lib1funcs.asm (save_interrupt): Correct register number.
1482 (return_interrupt): Use stack pointer, not element pointer.
1484 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
1486 * configure.in, configure: Make sure to create the stage* and include
1487 symbolic links in each subdirectory.
1489 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
1491 * pa.md (reload_peepholes): Don't allow addresses with side
1492 effects for the memory operand.
1494 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1496 * libgcc2.c (find_exception_handler): Subtract one from our PC when
1497 looking for a handler, to avoid hitting the beginning of the next
1500 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
1502 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
1504 * mips/abi64.h (LONG_MAX_SPEC): Define.
1505 * mips.h (LONG_MAX_SPEC): Define.
1506 (CPP_SPEC): Include long_max_spec.
1507 (EXTRA_SPECS): Include long_max_spec.
1509 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
1511 * v850.c (construct_save_jarl): Fix thinko in last change.
1513 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
1515 * version.c: Bump for snapshot.
1517 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1519 * libgcc2.c (find_exception_handler): Not found is -1.
1521 * integrate.c (expand_inline_function): Move expand_start_bindings
1522 after expanding the arguments.
1524 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
1526 * expr.c (expand_expr): Remove previous incorrect change.
1527 If target and slot has no DECL_RTL, then call mark_addressable
1528 again for the slot after we give it RTL.
1530 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
1532 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1533 again for the slot after we give it RTL.
1535 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
1537 * v850.c (register_is_ok_for_epilogue,
1538 pattern_is_ok_for_epilogue, construct_restore_jr,
1539 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
1541 * v850.h (pattern_is_ok_for_prologue,
1542 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
1545 * v850.md: Replace prologue and epilogue patterns with a
1546 match_parallel pattern.
1548 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
1550 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
1551 * configure.in: Use EGCS_PROG_INSTALL.
1553 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
1555 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
1556 extern inline function.
1558 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
1560 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
1561 (concat_loc_descriptor): New function.
1562 (loc_descriptor): Call it.
1563 (add_AT_location_description): Also elide the descriptor if both
1564 halves of a CONCAT are pseudos.
1565 (add_location_or_const_value_attribute): Recognize CONCAT too.
1567 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
1569 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
1571 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
1572 out-or-range reg_offset.
1573 (output_epilog): Likewise.
1575 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
1577 * cse.c (simplify_relational_operation): If MODE specifies a
1578 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
1579 is derived from the sign bit of the low word.
1581 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1583 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
1585 * dwarf2.h: Add DW_CFA_GNU_args_size.
1586 * frame.c (execute_cfa_insn): Likewise.
1587 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
1588 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
1589 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
1590 insn, hand it off to dwarf2out_stack_adjust.
1591 (dwarf2out_begin_prologue): Initialize args_size.
1592 * frame.h (struct frame_state): Add args_size.
1593 * libgcc2.c (__throw): Use args_size.
1594 * final.c (final_scan_insn): If we push args, hand off all insns
1595 to dwarf2out_frame_debug.
1596 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
1598 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
1599 Handle epilogue restore of SP from FP.
1600 * emit-rtl.c (gen_sequence): Still generate a sequence if the
1601 lone insn has RTX_FRAME_RELATED_P set.
1603 * frame.c (extract_cie_info): Handle "e" augmentation.
1604 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
1605 absence of UNALIGNED_*_ASM_OP.
1606 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
1607 (output_call_frame_info): Use "e" instead of "z" for augmentation.
1608 Don't emit augmentation fields length.
1609 (dwarf2out_do_frame): Move outside of #ifdefs.
1610 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
1613 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
1614 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
1615 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
1616 * sparc/sun4gas.h: New file.
1617 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
1619 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
1620 __register_frame_table and __deregister_frame.
1622 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
1624 * except.c (find_exception_handler_labels): Use xmalloc instead of
1625 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
1628 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
1630 * Makefile.in: Various changes to build info files
1631 in the object tree rather than the source tree.
1633 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
1635 * fixinc.math: New file to fix math.h on some systems.
1636 * configure.in (freebsd, netbsd): Use fixinc.math on these
1638 * configure: Rebuilt.
1640 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
1642 * regmove.c (regmove_optimize): If we end up moving the
1643 original insn due to lifetime overlaps, make sure to move
1646 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
1648 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
1650 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
1652 * haifa-sched.c (add_branch_dependences): Make each insn in
1653 a SCHED_GROUP_P block explicitly depend on the previous insn.
1655 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1657 * except.h: Prototype dwarf2 hooks.
1660 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
1662 * configure.in (native_prefix): Delete.
1663 (mips-dec-netbsd): Don't set prefix.
1664 (*linux*): Don't set prefix.
1666 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
1668 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
1669 defined. If not defined, include <sys/varargs.h> if
1670 HAVE_SYS_VARARGS_H is defined.
1671 * configure.in: Test for varargs.h and sys/varargs.h.
1672 * configure: Regenerate with autoconf.
1673 * config.in: Regenerate with autoheader.
1675 * cpplib.c (quote_string): Cast first arg of sprintf call
1676 from "unsigned char *" to "char *".
1677 (output_line_command): Ditto.
1678 (macroexpand): Ditto.
1679 (do_line): Cast atoi arg from "unsigned char *" to "char *".
1681 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
1683 * version.c: Bump for snapshot.
1685 * Makefile.in (compare): Exit with nonzero status if there
1686 are comparison failures. Note which files failed the
1687 comparison test in .bad_compare.
1689 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1691 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
1693 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
1695 * Makefile.in (LN, LN_S): New macros, use where appropriate.
1696 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
1697 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
1698 * configure: Regenerated.
1700 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
1702 * loop.c (strength_reduce): Fix typo.
1704 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
1706 * m88k/m88k.c (struct option): Rename to struct options.
1707 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
1708 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
1709 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
1710 __DOLPHIN__ or sysV88.
1712 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
1714 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
1717 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
1719 * config.sub: Accept 'amigados' for backward compatability.
1721 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1723 * Makefile.in (testsuite/site.exp): New target.
1724 (check-gcc, check-g++): Depend on testsuite/site.exp.
1725 Don't stop for failure.
1727 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
1729 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
1730 if DWARF2_UNWIND_INFO.
1732 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
1734 Add support for exception handling using DWARF 2 frame unwind info.
1735 Currently works on SPARC and MIPS, and almost on x86.
1737 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
1738 next_stack_level, in_reg_window): Helper fns.
1739 (__throw): Implement for DWARF2_UNWIND_INFO.
1741 * expr.c (expand_builtin): Handle builtins used by __throw.
1742 * tree.h (enum built_in_function): Add builtins used by __throw.
1743 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
1744 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
1745 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
1746 (expand_builtin_extract_return_addr): Likewise.
1747 (expand_builtin_frob_return_addr): Likewise.
1748 (expand_builtin_set_return_addr_reg): Likewise.
1749 (expand_builtin_eh_stub): Likewise.
1750 (expand_builtin_set_eh_regs): Likewise.
1751 (eh_regs): Choose two call-clobbered registers for passing back values.
1753 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
1754 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
1755 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
1756 (stmp-multilib): Likewise.
1757 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
1759 * except.c: #include "defaults.h".
1760 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
1761 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
1762 (register_exception_table_p): New fn.
1763 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
1764 (end_eh_unwinder): Likewise.
1766 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
1767 call __register_frame and __deregister_frame as needed.
1768 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
1769 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
1770 EH_FRAME_SECTION_ASM_OP.
1771 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
1772 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
1773 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
1775 * dwarf2out.c (output_call_frame_info): If no support for
1776 EXCEPTION_SECTION, mark the start of the frame info with a
1778 * collect2.c (frame_tables): New list.
1779 (is_ctor_dtor): Recognise frame entries.
1780 (scan_prog_file): Likewise.
1781 (main): Pass -fno-exceptions to sub-compile. Also do collection
1782 if there are any frame entries.
1783 (write_c_file_stat): Call __register_frame_table and
1784 __deregister_frame as needed.
1785 (write_c_file_glob): Likewise.
1787 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
1788 Also require unaligned reloc support.
1789 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1790 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
1791 * sparc/sysv4.h: Not here.
1793 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
1794 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
1795 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
1797 * libgcc2.c (L_eh): Reorganize, moving code shared by different
1798 EH implementations to the top.
1799 (find_exception_handler): Split out. Start from 0. Compare against
1801 (__find_first_exception_table_match): Use it.
1802 * except.c (output_exception_table): Don't do anything if there's
1803 no table. Don't output a first entry of zeroes.
1804 (eh_outer_context): Adjust properly.
1805 (add_eh_table_entry): Use xrealloc.
1806 * toplev.c (compile_file): Just call output_exception_table.
1808 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
1810 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
1812 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
1814 * except.c (eh_outer_context): Do masking using expand_and.
1816 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
1818 Add port done awhile ago for the ARC cpu.
1819 * arc/arc.h: New file.
1820 * arc/arc.c: New file.
1821 * arc/arc.md: New file.
1822 * arc/initfini.c: New file.
1823 * arc/lib1funcs.asm: New file.
1824 * arc/t-arc: New file.
1825 * arc/xm-arc.h: New file.
1826 * ginclude/va-arc.h: New file.
1827 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
1828 * ginclude/varargs.h: Likewise.
1829 * Makefile.in (USER_H): Add va-arc.h.
1830 * configure.in (arc-*-elf*): Recognize.
1831 * longlong.h: Add ARC support.
1833 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
1835 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
1836 when clearing non-BLKmode data.
1838 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
1840 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
1841 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
1843 * xm-m88k.h (USG): Only define if it hasn't already been defined.
1845 * Makefile.in (risky-stage1): Delete gratutious whitespace.
1847 * Makefile.in (clean): Delete libgcc1-test.
1849 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
1851 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
1853 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
1856 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1858 * dwarf2out.c (output_call_frame_info): Call named_section.
1860 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
1862 * haifa-sched.c (print_value): Fix last change.
1864 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
1866 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
1869 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1871 * mips.c (function_prologue): Set up the CFA when ABI_32.
1873 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
1874 for dwarf2 unwind info.
1875 (output_function_prologue, sparc_flat_output_function_prologue): Same.
1877 * final.c (final_end_function): Check dwarf2out_do_frame instead
1878 of DWARF2_DEBUG for dwarf2 unwind info.
1879 (final_scan_insn): Likewise.
1880 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
1883 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
1886 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
1888 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
1890 * v850.h (ASM_SPEC): Pass on target processor.
1891 (CPP_PREDEFINES): Only define if not already specified.
1892 (TARGET_VERSION): Only define if not already specified.
1893 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
1895 (EXTRA_SWITCHES): Extra entries in the switches array.
1896 (TARGET_DEFAULT): Set default target processor.
1898 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
1900 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
1901 cases, add %# and %/, and add : to make them into extended asms.
1903 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
1905 * alias.c (init_alias_analysis): Clean up incompatible pointer
1906 type warning in bzero.
1907 * regmove.c (regmove_optimize): Ditto.
1908 * haifa-sched.c (find_rgns): Ditto.
1910 * haifa-sched.c (print_value): Clean up ptr->int cast
1913 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
1915 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
1916 * install.texi (Configurations): Ditto.
1917 * config.sub: Ditto.
1919 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
1921 * Makefile.in (sdbout.o): Depend on insn-config.h.
1923 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
1925 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
1926 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
1928 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
1930 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
1931 prologue insn, only the first elt is significant.
1932 (output_call_frame_info): For exception handling, always use 4-byte
1933 fields as specified by the dwarf2 spec.
1934 Don't skip trivial FDEs.
1936 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
1938 * version.c: Bump for snapshot.
1940 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
1942 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
1943 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
1946 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
1948 * final.c (shorten_branches): During first pass, assume worst
1949 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
1951 * Makefile.in (distclean): Remove various things left around
1952 by running the testsuite.
1954 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
1956 * configure.in (out_file): Emit definition to config.status in order
1957 to have a defined value for configure.lang.
1958 * configure: Re-built.
1960 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
1962 * configure.in: Make symlink to as-new rather than as.new. Similarly
1964 * configure: Rebuilt.
1966 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
1968 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
1970 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
1972 * sparc/sparc.md: Add ultrasparc scheduling support.
1973 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
1975 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1977 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
1978 as initial value for real_label_map.
1979 (copy_for_inline): Likewise.
1981 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1983 * sched.c (update_flow_info) When looking if to set found_split_dest
1984 or found_orig_dest, look at all parts of a PARALLEL.
1985 * haifa-sched.c (update_flow_info): Likewise.
1987 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
1989 * v850: New directory for v850 port.
1990 * v850/lib1funcs.asm: New file.
1991 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
1992 * ginclude/va-v850.h: New file.
1993 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
1994 * configure.in (mn10200-*-*): New target.
1995 * configure: Rebuilt.
1996 * config.sub: Handle v850-elf.
1997 * Makefile.in (USER_H): Add va-mn10200.h.
1998 * invoke.texi: Document v850 stuff.
2000 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
2002 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
2003 has integer TYPE_{MAX,MIN}_VALUE before using them.
2005 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
2006 __HPUX_ASM__ versions.
2008 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
2010 * install.sh: Delete duplicate install script.
2012 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
2014 * reg-stack.c (subst_stack_regs): Pop the stack register for a
2015 computed goto which sets the same stack register.
2017 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
2018 destination are both on the regstack.
2019 (subst_stack_regs_pat): Put the destination at the top of the regstack.
2021 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
2023 * mips.md (nonlocal_goto_receiver): Define.
2025 * profile.c (output_arc_profiler): Check next_insert_after for non
2026 NULL before deferencing it.
2028 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
2030 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
2032 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
2034 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
2036 * toplev.c (rest_of_compilation): For passes starting with
2037 flow_analysis, use print_rtl_with_bb instead of print_rtl.
2039 * print-rtl.c (print_rtl_single): Print a single rtl value to a
2042 * flow.c (print_rtl_with_bb): Print which insns start and end
2043 basic blocks. For the start of a basic block, also print the live
2046 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
2048 * toplev.c (main): Change #elif to #else/#ifdef
2050 * tlink.c: Include ctype.h.
2051 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
2053 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
2055 * bitmap.c: Conditionally include stdlib.h.
2056 (free): Provide a declaration if NEED_DECLARATION_FREE.
2058 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
2060 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
2062 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
2064 * profile.c (output_arc_profiler): Verify next_insert_after is an
2065 INSN before and after skipping a stack pop.
2067 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2069 * final.c (shorten_branches): Don't count the lengths of deleted
2072 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
2074 * version.c: Bump for snapshot.
2076 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
2078 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
2079 two bitmaps ANDed together.
2080 (bitmap_print): Declare.
2082 * bitmap.c (function_obstack): Don't declare any more.
2083 (bitmap_obstack): Obstack for allocating links from.
2084 (bitmap_obstack_init): New static to say whether to initialize
2086 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
2087 (bitmap_release_memory): Free all memory allocated from
2090 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
2091 EXECUTE_IF_AND_IN_BITMAP.
2093 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
2095 * alias.c (true_dependence): Address with AND can alias scalars.
2096 (anti_dependence, output_dependence): Likewise.
2098 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
2100 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
2102 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
2103 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
2104 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
2105 definitions. Use -qrtems instead of -mrtems.
2107 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
2109 * xm-sco5.h (sys_siglist): Define.
2110 (SYS_SIGLIST_DECLARED): Likewise.
2112 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
2114 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
2116 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
2118 * except.c (eh_outer_context): Expand masking operation using
2121 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
2123 * alpha.md (floatdisf2-1): New pattern.
2125 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
2127 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
2128 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
2129 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
2130 * gcc.texi: Note that if you define sys_siglist that you should
2131 also define SYS_SIGLIST_DECLARED.
2133 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
2134 are relative to the next instruction, not the current instruction.
2136 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
2138 * local-alloc.c (contains_replace_regs): New function.
2139 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
2140 verify that there is no existing REG_EQUIV note, and add a call to
2141 contains_place_regs.
2143 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2145 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
2146 (STARTFILE_SPEC): Always use crtbegin.o%s
2147 (ENDFILE_SPEC): Always use crtend.o%s.
2149 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
2151 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
2153 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
2154 SFmode for 64 bit hosts.
2156 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
2158 * fixincludes: Permits spaces between # and define. Discard C++
2159 comments in sys/pci.h on HP/UX 10.20.
2161 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
2163 * version.c: Bump for snapshot.
2165 * pa.c (restore_unscaled_index_insn_codes): New function.
2166 (record_unscaled_index_insn_codes): Likewise.
2167 (output_function_prologue): Call restore_unscaled_index_insn_codes.
2168 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
2169 (pa_reorg): Call record_unscaled_index_insn_codes.
2171 * haifa-sched.c (move_insn): Handle notes correctly for insns
2172 with SCHED_GROUP_P set.
2174 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2176 * alpha/xm-linux.h (USE_BFD): Undef before define.
2178 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
2180 * cse.c (cse_insn): Don't record BLKmode values.
2182 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
2184 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
2186 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
2188 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
2189 * collect2.c (sys_errlist): Likewise.
2190 * cpplib.c (sys_errlist): Likewise.
2191 * gcc.c (sys_errlist): Likewise.
2192 * protoize (sys_errlist): Likewise.
2193 * configure.in: Check for strerror.
2194 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
2195 * xm-gnu.h (HAVE_STRERROR): Likewise.
2196 * xm-linux.h (HAVE_STRERROR): Likewise.
2197 * xm-netbsd.h (HAVE_STRERROR): Likewise.
2198 * xm-bsd386.h (HAVE_STRERROR): Likewise.
2199 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
2200 * xm-dos.h (HAVE_STRERROR): Likewise.
2201 * xm-mingw32.h (HAVE_STRERROR): Likewise.
2202 * xm-pa.h (HAVE_STRERROR): Likewise.
2203 * xm-papro.h (HAVE_STRERROR): Likewise.
2204 * xm-sysv4.h (HAVE_STRERROR): Likewise.
2205 * configure, config.in: Rebuilt.
2207 * Makefile.in: Add several missing "else true" clauses.
2209 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
2210 * mips-tfile.c: Likewise.
2211 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
2212 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
2213 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
2214 * configure.in: Check for sys_siglist declaration.
2215 * configure, config.in: Rebuilt.
2217 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
2219 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
2220 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
2221 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
2222 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
2223 * rs6000/sysv4.h (extra_subtarget_switches): Added new
2224 macro EXTRA_SUBTARGET_SWITCHES.
2225 * configure.in (sh*-*-rtems*): New target.
2226 * sh/rtems.h: New file.
2227 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
2228 * configure: Rebuilt.
2230 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
2232 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
2234 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
2236 * rs6000.md: Make DF fused-add operations pay attention to
2239 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
2241 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
2243 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
2245 * pa.md (reload_peepholes): Make sure operand is a REG before
2246 examining REGNO. Allow general registers too.
2248 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
2250 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
2252 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
2254 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
2255 to reallocate abbrev_die_table.
2257 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
2259 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
2261 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2263 * Makefile.in (config.status): Depend on version.c
2265 * expr.h (insn_gen_function): Reenable prototype.
2267 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
2270 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
2272 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
2274 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
2276 * version.c: Bump for latest snapshot.
2278 * bc-optab.c: Conditionally include stdlib.h.
2279 (free): Provide a declaration if NEED_DECLARATION_FREE.
2280 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
2281 * rtl.h (free): Remove declaration.
2282 * tree.h (free): Remvoe declaration.
2284 * configure: Rebuilt.
2286 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
2288 * flags.h (flag_move_all_movables): Declare.
2289 (flag_reduce_all_givs): Likewise.
2290 * loop.c (move_movables): Handle flag_move_all_movables.
2291 (strength_reduce): Handle flag_reduce_all_givs.
2292 * toplev.c (flag_move_all_movables): Define.
2293 (flag_reduce_all_givs): Likewise.
2294 (f_options): Add -fmove-all-movables and -freduce-all-givs.
2295 * invoke.texi: Document new options, including alias stuff that
2296 wasn't included last time.
2298 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
2300 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
2303 * t-vxworks68: Ditto.
2304 * t-vxworks960: Ditto.
2307 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
2309 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
2310 if not already defined, and USE_C_ALLOCA not defined.
2312 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
2314 * config.guess: Replace with script that uses ../config.guess.
2316 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
2317 if USE_GNULIBC_1 is not defined.
2319 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
2321 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
2322 * config.guess: Recognize alpha-linux-gnulibc1.
2323 * configure.in (alpha-*-linux-gnulibc1): New target.
2324 (alpha-*-linux-gnu*): Don't build crtbegin/end.
2326 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
2328 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
2331 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
2333 * loop.c (combine_movables): Earlier insns don't match later ones.
2335 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2337 * config/linux.h (CC1_SPEC): Define it only if not defined.
2339 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
2342 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
2343 USE_GNULIBC_1 is not defined.
2345 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
2347 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
2348 as 1 if USE_GNULIBC_1 is not defined.
2350 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
2352 * reorg.c (dbr_schedule): Allow current_function_return_rtx
2353 to be something other than a REG.
2354 * function.c (expand_function_end): Fix current_function_return_rtx
2357 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
2358 * x-netbsd: Likewise
2359 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
2360 (INSTALL_HEADERS): Delete.
2361 * x-dguxbcs: Likewise.
2362 * x-hp3bsd44: Likewise
2365 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2367 * i386.md (pop): pop increments the stack pointer.
2368 (prologue_set_stack_ptr): New pattern.
2369 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
2372 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
2374 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
2375 address where an offsettable address is required.
2377 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
2379 * loop.c (check_final_value): Don't miss a biv increment in a
2382 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
2384 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
2385 TYPE_DECL_IS_STUB instead of DECL_NAME.
2387 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2389 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
2391 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
2393 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
2395 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
2397 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
2398 (find_post_sched_live): Likewise.
2400 * haifa-sched.c (schedule_block): Remove old code to get arguments
2401 from hard regs into pseudos early.
2403 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
2405 * version.c: Bump for new snapshot.
2407 * local-alloc.c (update_equiv_regs): All the target to reject
2408 promotion of some REG_EQUAL to REG_EQUIV notes.
2409 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
2411 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
2414 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
2415 store of the argument registers.
2417 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
2419 * fold-const.c (multiple_of_p): New function.
2420 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
2422 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
2424 * expr.h (insn_gen_function): Temporarily remove prototype.
2426 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
2428 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
2429 filenames. Use sed to extract base filename for install.
2431 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
2433 * unroll.c (find_splittable_givs): Only share if two givs have the
2434 same add and multiply values.
2436 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
2438 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
2439 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
2441 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
2443 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
2444 around branch tables.
2445 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
2446 and .end_brtab directives if TARGET_GAS.
2448 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
2450 * alias.c (true_dependence): Pass x_addr not x to varies.
2452 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
2453 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
2454 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
2456 * config.in, configure: Regenerate.
2458 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
2460 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
2462 (record_set): Handle LO_SUM like PLUS.
2463 (init_alias_analysis): When following chains of base addresses,
2464 do not stop on reaching a hard register.
2466 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
2468 * version.c: Bump for new snapshot.
2470 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
2472 * alpha.h (ARCH_ASM_FILE_START): Define.
2473 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
2474 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
2476 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
2478 * Makefile.in (install-common): Put gcov comment at start of line.
2480 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
2482 * alias.c (init_alias_analysis): When simplifying the reg_base_value
2483 array, simplify entries for hard registers too.
2485 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
2487 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
2490 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
2492 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
2493 block_stack before dereferencing it.
2495 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
2497 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
2499 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2501 * cplus-dem.c: Add 'extern' to prepends_underscore.
2503 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
2505 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
2506 (get_issue_rate): Delete.
2507 * pa.h (ISSUE_RATE): Define.
2509 * configure.in: Turn on haifa by default for the PA.
2510 * configure: Rebuilt.
2511 * pa.c (override_options): Accept -mschedule=7200 option.
2512 (pa_adjust_cost): No longer need to scale costs for newer
2514 * pa.h (enum processor_type): Add PROCESSOR_7200.
2515 * pa.md: Revamp scheduling parameters to work better with
2516 haifa. Add scheduling parameters for the 7200.
2518 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
2520 (schedule_block): When adjusting basic_block_{head,end}, account
2521 for movement of SCHED_GROUP_P insns too.
2523 * haifa-sched.c (debug_dependencies): Fix thinko.
2525 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
2526 (site.exp, check, check-g++, check-gcc): New targets.
2528 * haifa-sched.c: Make lots of variables static.
2530 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2532 * expr.h, real.h: Finish prototyping.
2534 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
2536 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
2537 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
2538 * reload1.c: Undo bugfix from Aug 11.
2540 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
2542 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
2543 quotes around the name.
2544 * configure: Regenerate.
2546 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
2548 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
2550 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
2552 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
2553 to sub-makes to avoid building more passes than the user might have
2554 requested on the command line.
2556 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
2558 * configure.in: Expurgate `broken_install' (install is
2561 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
2564 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
2566 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
2567 functions and declarations.
2568 (analyze_loop_iterations): Use condjump_p.
2569 (insert_bct): Likewise. Use exact_log2.
2571 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
2573 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
2574 (schedule_region): Likewise.
2575 (schedule_insns): Likewise.
2577 * PROJECTS: Update with Haifa stuff.
2579 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
2581 * version.c: Change the version string to look like:
2582 egcs-2.90.00 970814 (gcc2-970802 experimental).
2584 * loop.c (is_conditional_branch): Make definition match declaration.
2586 * gcc.c: Take out experimental snapshot warning message.
2588 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
2590 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
2591 print out the names of the notes. Print out the name of the insn
2592 that is not a note, and not an {,CALL_,JUMP_}INSN.
2594 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2596 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
2597 again for the slot after we give it RTL.
2599 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
2601 * configure.in (haifa configury): Fix typo.
2602 * configure: Regenerate.
2604 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
2606 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
2608 * gcc.info*: Rebuilt.
2610 * COPYING.g77, README.g77: New files.
2611 * real.c (ereal_unto_float, ereal_unto_double): New functions.
2612 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
2613 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
2615 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
2617 * Integrate Haifa instruction scheduler.
2618 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
2619 to sched with $(SCHED_CFLAGS.
2620 * configure.in: Handle --enable-haifa.
2621 * configure: Rebuilt.
2622 * flags.h: Add new flags for haifa instruction scheduler.
2623 * genattrtab.c (expand_units): For haifa, don't subtract one
2624 when computing blockage.
2625 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
2626 (flag_schedule_speculative): Ditto.
2627 (flag_schedule_speculative_load): Ditto.
2628 (flag_schedule_speculative_load_dangerous): Ditto.
2629 (flag_schedule_reverse_before_reload): Ditto.
2630 (flag_schedule_reverse_after_reload): Ditto.
2631 (flag_branch_on_count_reg): Ditto.
2632 (f_options): Add Haifa switches.
2633 (main): Turn off some Haifa options if appropriate macro is
2634 defined. Process Haifa switches.
2635 * unroll.c (iteration_info): No longer static, since Haifa
2637 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
2638 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
2639 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
2640 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
2641 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
2642 storage for the Haifa scheduler.
2643 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
2645 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
2646 are defined, call analyze_loop_iterations and insert_bct to use
2648 (record_giv): Refine test for jumps out of loops if HAIFA is
2650 (analyze_loop_iterations): New function to identify if we can use
2652 (insert_bct): Insert countdown loop.
2653 (instrument_loop_bct): Low level code to insert countdown loop.
2654 (loop_number): Calculate UID of loop.
2655 (indirect_jump_in_function_p): Return true if an indirect jump is
2657 (is_power_of_2): Return true if value is a power of 2.
2658 (is_conditional_branch): Return true if insn is a conditional
2660 (fix_bct_param): Process -fbct-{min,max}-N switches.
2661 (check_bct_param): Return true if loop should be instrumented.
2662 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
2663 (loop_optimize): Initialize.
2664 (get_condition_for_loop): Ditto.
2665 * loop.c (strength_reduce): Inside of code that uses #ifdef
2666 HAVE_decrement_and_branch_on_count code, test it to make sure the
2668 (instrument_loop_bct): Ditto.
2669 * haifa-sched.c: New file.
2672 * Integrate regmove pass.
2673 * Makefile.in (OBJS): Add regmove.o
2674 (regmove.o): Add dependencies.
2675 * flow.c (find_use_as_address): No longer static.
2676 * rtl.h (find_use_as_address): Declare.
2677 * toplev.c (regmove_dump, flag_regmove): Define.
2678 (f_options): Add -fregmove.
2679 (regmove_dump_file, regmove_time): Define.
2680 (fatal_insn): Close the regmove dump file.
2681 (compile_file): Initialize regmove_time; open/close the regmove dump
2682 file as needed. Print regmove time as needed.
2683 (rest_of_compilation): Run regmove pass if requested, dump
2684 RTL after regmove if requested.
2685 (main): If -O2 or more, turn on regmove. Handle dump switches.
2686 * regmove.c: New file.
2688 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
2690 * Integrate tlink patch from jason@cygnus.com
2691 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
2692 (process_command): Increment n_switches for them. Don't discard
2693 their args. Validate them.
2694 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
2696 (process_command): Set include_prefixes from COMPILER_PATH.
2697 (main): Set COLLECT_GCC_OPTIONS sooner.
2698 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
2699 * tlink.c, hash.c, hash.h: New files.
2700 * Makefile.in (USE_COLLECT2): Always use collect2.
2701 (collect2): Depend on and link in hash.o and tlink.o.
2702 (tlink.o, hash.o): Add dependencies.
2704 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
2706 * Integrate alias analysis changes from jfc@mit.edu
2707 * Makefile.in (OBJS): Add alias.o
2708 (alias.o): Add dependencies.
2709 * alias.c: New file.
2710 * sched.c: Remove alias analysis code. It lives in alias.c now.
2711 (sched_analyze_2): Add new arguments to true_dependence.
2712 (schedule_insns): Always call init_alias_analysis.
2713 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
2714 mark return value from such functions as a pointer and keep track of
2715 them for alias analysis. If a return value from a function is a
2716 pointer, mark it as such.
2717 * combine.c (distribute_notes): Handle REG_NOALIAS.
2718 * cse.c (struct write_data): Delete. No longer needed.
2719 (invalidate): Don't call set_nonvarying_address_components anymore.
2720 Use true_dependence to decide if an entry should be removed from
2722 (invalidate_memory): Remove WRITES argument, simplify appropriately.
2724 (note_mem_written): Similarly for WRITE_PTR argument.
2725 (invalidate_from_clobbers): Similarly for W argument.
2726 (invalidate_for_call): Remove memory elements from the hash table.
2727 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
2728 (cse_rtx_varies_p): New function. Derived from old
2729 cse_rtx_addr_varies_p.
2730 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
2731 Don't call note_mem_written anymore. Stack pushes invalidate the stack
2732 pointer if PUSH_ROUNDING is defined. No longer need to call
2733 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
2734 (skipped_writes_memory): Remove variable.
2735 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
2736 (invalidate_skipped_block): Simplify for new alias analysis code.
2737 (cse_set_around_loop): Likewise.
2738 (cse_main): Call init_alias_analysis.
2739 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
2740 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
2741 (f_options): Add new alias checking arguments.
2742 (main): Set flag_alias_check when optimizing.
2743 * local_alloc (validate_equiv_mem_from_store): Add new arguments
2745 (memref_referenced_p): Likewise.
2746 * loop.c (NUM_STORES): Increase to 30.
2747 (prescan_loop): Only non-constant calls set unknown_address_altered.
2748 (invariant_p): Add new arguments to true_dependence.
2749 (record_giv): Initialize unrolled and shared fields.
2750 (emit_iv_add_mult): Call record_base_value as needed.
2751 * loop.h (struct induction): Add unrolled and shared fields.
2752 * unroll.c (unroll_loop): Call record_base_value as needed.
2753 (copy_loop_body): Likewise.
2754 (final_biv_value): Likewise.
2755 (final_giv_value): Likewise.
2756 (find_splittable_regs): Likewise. Only create one new pseudo
2757 if we have multiple address GIVs that were combined with the same
2758 dst_reg GIV. Note when a new register is created due to unrolling.
2759 * rtl.c (reg_note_name): Add REG_NOALIAS.
2760 * rtl.h (enum reg_note): Similarly.
2761 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
2762 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
2763 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
2764 (true_dependence, read_dependence, anti_dependence): Likewise.
2765 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
2766 (mark_user_reg, mark_reg_pointer): Likewise.
2769 * Integrate reload bugfix from Wilon which enables the PA port
2771 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
2772 OPERAND_ADDRESS when computing how many registers an insn needs.
2773 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
2775 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
2777 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
2778 in reload_reg_use_in_op_addr do not reach the end.
2779 do not reach the end.
2780 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
2781 RELOAD_FOR_OPERAND_ADDRESS.
2783 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
2785 * egcs project officially starts.
projects / platform / upstream / gcc.git / blob