1 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
3 * dwarfout.c (output_type): If finalizing, write out nested types
4 of types we've already written.
6 Tue Nov 25 10:00:42 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
11 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
13 * sh/elf.h (HANDLE_SYSV_PRAGMA): Undefine.
15 * sh/elf.h: (LINK_SPEC): Use shlelf.
16 (USER_LABEL_PREFIX, LOCAL_LABEL_PREFIX, ASM_FILE_START): Redefine.
18 * sh.h: dwarf patches from Fred Fish.
20 * va-sh.h (__va_arg_sh1): Define.
22 SH3E doesn't use any integer registers for subsequent arguments
23 once a non-float value was passed in the stack.
24 * sh.h (PASS_IN_REG_P): Fix SH3E case.
26 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
28 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
30 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
32 * configure.in (alphaev56*-*-*): Disable MASK_BYTE_OPS until
33 ev56 support works correctly.
35 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
37 Sun Nov 23 13:01:48 1997 Jeffrey A Law (law@cygnus.com)
39 * version.c: Bump for snapshot.
41 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
43 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
44 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
45 gas and not using the new HP assembler.
47 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
49 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
50 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
52 * i386.h (TARGET_CMOV): Disable conditional moves for this release.
54 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
56 * except.h: Add outer_context_label_stack.
58 (expand_start_all_catch): Push the outer_context for the try block
59 onto outer_context_label_stack.
60 (expand_end_all_catch): Use it and pop it.
62 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
64 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
66 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
68 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
70 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
72 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
73 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
75 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
77 * except.c (output_exception_table): Don't bother with
80 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
82 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
84 (zero extended variants of stwm/stwm patterns): Similarly.
86 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
88 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
90 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
92 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
93 (output_call_frame_info): Emit a \n after using it.
95 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
97 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
99 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
101 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
102 (ASM_OUTPUT_DWARF_VALUE4): New macro.
103 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
105 (output_call_frame_info): Do not output forward label differences
106 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
107 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
109 Tue Nov 18 22:50:24 1997 Jim Wilson <wilson@cygnus.com>
111 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
112 large_int, emit two insns instead of one splitable insn.
113 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
114 from cfa_temp_value, use cfa_offset. Abort if cfa_reg is not SP.
116 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
118 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
120 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
122 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
124 (cse_end_of_basic_block): Similarly.
126 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
128 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
129 (SELECT_RTX_SECTION): Define.
130 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
132 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
134 * Makefile.in (compare, compare-lean): Define $stage for each
136 (gnucompare, gnucompare-lean): Likewise.
138 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
140 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
142 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
143 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
145 Fri Nov 14 08:01:25 1997 Jeffrey A Law (law@cygnus.com)
147 * version.c: Bump for snapshot.
149 1997-11-14 Paul Eggert <eggert@twinsun.com>
151 Fix some confusion with IEEE minus zero.
153 * real.h (REAL_VALUES_IDENTICAL): New macro.
155 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
156 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
158 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
159 same tree structure as 0.0.
161 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
162 macro instead of doing it by hand.
164 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
166 * expr.c (expand_builtin_setjmp): Set
167 current_function_has_nonlocal_label.
168 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
169 call-saved registers across calls.
171 * alpha.md (exception_receiver): Remove.
172 (nonlocal_goto_receiver_osf): New
173 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
174 (nonlocal_goto_receiver): New, select _osf or _vms.
176 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
177 keep them from being propogated to the object file.
178 (alpha_write_linkage): Likewise.
179 * alpha.md (call_vms): Likewise.
180 (call_value_vms): Likewise.
181 (unnamed osf call insns): Likewise.
183 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
184 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
186 * alpha.c (call_operand): Any reg is valid for WinNT.
187 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
188 (anon nt calls): Add 'R' alternative.
189 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
190 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
192 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
194 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
195 xplus1 when xplus0 is not a register.
197 Thu Nov 13 11:51:32 1997 David Edelsohn <edelsohn@mhpcc.edu>
199 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
200 swap instruction order.
202 Thu Nov 13 11:47:55 1997 Michael Meissner <meissner@cygnus.com>
204 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
205 pick apart floating point values, instead of using CONST_DOUBLE_LOW
206 and CONST_DOUBLE_HIGH.
208 * rs6000.md (define_splits for DF constants): Use the appropriate
209 REAL_VALUE_* interface to pick apart DF floating point constants in
210 a machine independent fashion.
212 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
214 * flow.c (find_basic_blocks): During marking phase, if we encounter
215 an insn with a REG_LABEL note, make the target block live and
216 create an edge from the insn to the target block. Do not make
217 edges from all blocks to the target block.
219 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
221 * configure.in: Tweak NCR entries.
222 * configure: Rebuilt.
224 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
226 * except.c: Do not include "assert.h".
227 (save_eh_status): Turn asserts into conditional aborts.
228 (restore_eh_status, scan_region): Likewise.
229 * dwarfout.c: Do not include "assert.h".
230 (bit_offset_attribute): Turn asserts into conditional aborts.
231 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
232 (output_inlined_structure_type_die): Likewise.
233 (output_inlined_union_type_die): Likewise
234 (output_tagged_type_instantiation): Likewise.
235 (dwarfout_file_scope_decl): Likewise.
236 * dwarf2out.c: Do not include "assert.h"
237 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
238 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
239 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
240 (add_bit_size_attribute, scope_die_for): Likewise.
241 (output_pending_types_for_scope): Likewise.
242 (get_inlined_enumeration_type_die): Likewise.
243 (get_inlined_structure_type_die): Likewise.
244 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
245 (gen_tagged_type_instantiation_die): Likewise.
247 * flow.c (find_basic_blocks): Refine further to get a more correct
248 cfg, especially in the presense of exception handling, computed
249 gotos, and other non-trivial cases. Call abort if an inaccuracy
250 is detected in the cfg.
252 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
254 * stmt.c (expand_decl_cleanup_no_eh): New fn.
256 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
258 Sun Oct 19 09:07:38 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
260 * stmt.c (using_eh_for_cleanups_p): New variable.
261 (using_eh_for_cleanups): New function.
262 (expand_decl_cleanup): Don't call expand_eh_region_start_tree
263 unless using EH for cleanups.
265 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
267 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
268 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
270 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
272 * fixinc.svr4 (__STDC__): Add another case.
274 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
276 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
277 addresses in the epilogue delay slot.
279 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
281 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
282 in generated `specs' file.
284 Fri Nov 7 16:23:20 1997 Jim Wilson (wilson@cygnus.com)
286 * flags.h (flag_rerun_loop_opt): Declare.
287 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
288 * toplev.c (flag_rerum_loop_opt): Delete static.
290 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
292 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
295 Wed Nov 5 01:42:12 1997 Jeffrey A Law (law@cygnus.com)
297 * version.c: Bump for snapshot.
299 * alias.c (find_base_value): Only return the known base value for
302 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
304 * fixincludes: Fix "hypot" prototype in NeXT math.h.
306 * Makefile.in (USE_ALLOCA): Always include alloca.o.
307 (USE_HOST_ALLOCA): Likewise.
309 * alias.c (find_base_value): When copying arguments, return the
310 tenative value for a hard register.
312 Tue Nov 4 14:12:30 1997 Richard Henderson (rth@cygnus.com)
313 Jim Wilson (wilson@cygnus.com)
315 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
316 for SUBREG, just fall through.
318 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
320 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
322 * combine.c (try_combine): When setting elim_i1, check if newi2pat
325 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
326 sets i2dest. When calling distribute_notes for i3dest_killed, pass
329 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
331 * configure.in (sco5): Use cpio to install header files.
333 Sun Nov 2 23:30:31 1997 Manfred Hollstein <manfred@s-direktnet.de>
335 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
337 * configure: Rebuild.
339 Sun Nov 2 22:53:16 1997 Richard Earnshaw (rearnsha@arm.com)
341 * arm.c (load_multiple_sequence): Support SUBREG of MEM.
342 (store_multiple_sequence): Likewise.
344 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
346 * i386/sco5.h: enable -gstabs once again.
348 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
350 * arm.c (output_move_double): Allocate 3 entries in otherops array.
352 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
354 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
355 notes for sjlj exceptions too.
356 (expand_eh_region_end): Similarly for EH_REGION_END notes.
357 (exception_optimize): Optimize EH regions for sjlj exceptions too.
358 * final.c (final_scan_insn): Don't output labels for EH REGION
359 notes if doing sjlj exceptions.
361 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
363 * alias.c (init_alias_analysis): Handle -fno-alias-check when
364 optimizing correctly.
366 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
367 or set current_function_calls_setjmp anymore.
369 * flow.c (find_basic_blocks): If we delete the label for an
370 exception handler, remove it from the EH label list and remove
371 the EH_BEGIN/EH_END notes for that EH region.
373 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
375 * flow.c (find_basic_blocks): Generate correct flow control
376 information when exception handling notes are present.
378 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
380 * dwarf2out.c (output_call_frame_info): Fix length argument
382 (output_die, output_pubnames, output_line_info): Likewise.
384 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
386 * version.c: Bump for snapshot.
388 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
389 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
390 flag_debug_asm is on.
391 (output_die, output_pubnames, output_line_info): Likewise.
393 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
394 and static_chain_rtx into the potential base values array if
397 * alias.c (new_reg_base_value): New array of potential base values.
398 (unique_id): Now file scoped static.
399 (find_base_value, case REG): Return the value in reg_base_value
400 array for the REG if it exists. Else, return the value from
401 new_reg_base_value if copying args and REG is a hard register.
402 (find_base_value, case PLUS): If either operand of the PLUS is
403 a REG, try to get its base value. Handle base + index and
405 (record_set): Use new_reg_base_value instead of reg_base_value.
406 (init_alias_analysis): Allocate space for new_reg_base_value too.
407 Rework code to iterate over the insns propagating base value
408 information until nothing changes.
410 * global.c (global_alloc): Free the conflict matrix after
413 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
415 * libgcc2.c (L_eh): Define __eh_pc.
416 Replace __eh_type with generic pointer __eh_info.
418 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
420 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
421 use copy_to_reg if address is not a general_operand.
423 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
425 * profile.c (output_func_start_profiler): Clear flag_inline_functions
426 for the duration of the call to rest_of_compilation.
428 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
430 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
432 (sparc*-*-*): Recognize --with-cpu=v9.
433 * sparc/elf.h: New file.
434 * sparc/t-elf: New file.
436 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
438 * mn10300.c (const_8bit_operand): New function.
439 (mask_ok_for_mem_btst): New funtion.
440 * mn10300.md (btst patterns with mem operands): Use new functions
441 to avoid creating btst instructions with invalid operands.
443 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
445 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
446 are running on PowerPC Linux.
448 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
450 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
451 if not previously defined.
453 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
455 * function.c (assign_parms): Correct mode of stack_parm if
456 entry_parm underwent a mode conversion.
458 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
460 * global.c (global_alloc): Use xmalloc instead of alloca for
461 CONFLICTS, since max_allocno * allocno_row_words alone can be more
462 than 2.5Mb sometimes.
464 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
466 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
467 DEST for the spill, adjust mode of SRC to compensate.
469 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
471 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
472 since any_memory_operand() allows pseudos during reload.
473 (reload_inhi, reload_outqi, reload_outhi): Likewise.
475 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
477 * m68k.md (btst patterns): Add 5200 support.
479 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
481 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
482 optimizations, look inside dividend to determine if the expression
483 can be simplified by using EXACT_DIV_EXPR.
485 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
488 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
490 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
492 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
494 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
496 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
499 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
501 * alpha.md (movqi, movhi): Make sure new insns created during reload
502 won't need reloading themselves.
503 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
505 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
507 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
509 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
511 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
512 Patch from Klaus Kaempf <kkaempf@progis.de>.
514 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
516 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
517 to an element in a constant string.
519 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
521 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
522 bit PC-relative offset. The exception range table pointer is now in
524 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
525 (count_fdes, add_fdes, get_cie): Adjust.
526 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
529 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
531 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
533 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
534 like stack_pointer_rtx.
536 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
538 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
539 targets using "$@" to provide support for similar but not identical
540 targets without having to duplicate code.
541 (bootstrap4): New goal.
543 * Makefile.in (compare, compare-lean, compare3): Combined to one
544 ruleset determining actions to be performed via $@.
545 (compare4, compare4-lean): New targets.
546 (gnucompare, gnucompare3): Combined to one ruleset determining
547 actions to be performed via $@. Also, note which files failed
548 the comparison test in .bad_compare.
549 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
551 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
553 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
554 if the dividend is a multiple of the divisor.
556 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
558 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
560 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
563 * alias.c (true_dependence): Fix typo.
565 * toplev.c (flag_rerun_loop_opt): New variable.
566 (f_options): Handle -frerun-loop-opt.
567 (rest_of_compilation): If -frerun-loop-opt, then run the loop
569 (main): Enable -frerun-loop-opt by default for -O2 or greater.
571 * loop.c (simplify_giv_expr): Adding two invariants results
574 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
576 * expr.c (get_inner_reference): Remove the array bias after
577 converting the index to Pmode.
579 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
581 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
582 (TARGET_MULT_BUG): Define.
583 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
584 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
586 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
588 * mn10200.c (indirect_memory_operand): Delete unused function.
589 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
590 * mn10200.md (bset, bclr insns): Handle output in a reg too.
592 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
594 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
595 the callee's ldgp, we must do it ourselves, and we use the jsr tag
596 for more than scheduling.
598 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
600 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
602 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
604 * mn10300.c (symbolic_operand, legitimize_address): New functions.
605 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
606 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
608 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
610 * version.c: Bump for snapshot.
612 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
614 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
617 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
619 * toplev.c (flag_exceptions): Default value is 2.
620 (compile_file): If flag_exceptions still has the value 2, then
623 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
624 (rs6000_save_machine_status): Save pic_offset_table_rtx.
625 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
627 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
630 * rs6000.md (*movsi_got_internal_mem): New pattern.
631 (*movsi_got_internal_mem splitter): New define_split.
633 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
635 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
637 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
639 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
640 only need to save LR.
642 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
644 * mn10300.md (movqi, movhi): Avoid using address registers as
645 destinations unless absolutely necessary.
647 * mn10200.c (expand_prologue): Fix typo.
649 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
651 * mn10200.md (neghi2): Provide an alternative which works if
652 the input and output register are the same.
654 * mn10300.c (print_operand): Handle 'S'.
655 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
656 shift amount in last alternative
658 * mn10300.c (expand_epilogue): Rework to handle register restores
659 in "ret" and "retf" instructions correctly.
661 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
663 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
664 extzv for memory operands.
666 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
667 redundant conditional moves to single operand.
669 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
671 * v850.h: Move define of __v850__ from CPP_PREDEFINES
674 * xm-v850.h: Use __v850 rather than __v850__ to
677 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
679 * mips/mips.c (compute_frame_size): Not a leaf function if
682 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
684 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
686 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
688 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
689 (DEFAULT_ARCH32_P): New macro.
690 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
691 (enum cmodel): Declare.
692 (sparc_cmodel_string,sparc_cmodel): Declare.
693 (SPARC_DEFAULT_CMODEL): Provide default.
694 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
695 (TARGET_FULLANY): Deleted.
696 (TARGET_CM_MEDMID): New macro.
697 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
698 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
699 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
701 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
702 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
703 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
704 (ASM_SPEC): Add %(asm_arch).
705 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
706 Rename asm_default to asm_cpu_default.
707 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
708 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
709 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
710 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
711 (MASK_INT64,MASK_LONG64): Delete.
712 (MASK_ARCH64): Renamed to MASK_64BIT.
713 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
714 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
715 (TARGET_SWITCHES): Always provide 64 bit options.
716 (ARCH64_SWITCHES): Delete.
717 (TARGET_OPTIONS): New option -mcmodel=.
718 (INT_TYPE_SIZE): Always 32.
719 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
720 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
721 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
722 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
723 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
725 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
726 * sparc/linux.h: Likewise.
727 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
728 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
729 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
730 (SPARC_DEFAULT_CMODEL): Define.
731 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
732 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
733 (LONG_DOUBLE_TYPE_SIZE): Define.
734 (ASM_SPEC): Add %(asm_arch).
735 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
736 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
737 (TARGET_CPU_DEFAULT): Add ultrasparc case.
738 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
739 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
740 (SPARC_DEFAULT_CMODEL): Define.
741 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
742 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
743 MASK_LONG64, MASK_MEDANY.
744 (SPARC_DEFAULT_CMODEL): Define.
745 (CPP_PREDEFINES): Delete.
746 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
747 (ASM_SPEC): Add %(asm_arch).
748 (LONG_DOUBLE_TYPE_SIZE): Define.
749 (DWARF2_DEBUGGING_INFO): Define.
750 * sparc/splet.h (CPP_SPEC): Delete.
751 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
752 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
753 (BLOCK_PROFILER): Likewise.
754 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
755 (sparc_override_options): Handle code model selection.
756 (sparc_init_expanders): Renamed from sparc64_init_expanders.
757 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
758 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
759 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
760 (sethi_di_fullany): Delete.
762 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
763 Jeff Law <law@cygnus.com>
764 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
766 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
767 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
768 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
769 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
770 * alpha/alpha.md (arg_home): Likewise.
772 * alpha/alpha.c (vmskrunch): Delete
773 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
774 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
775 truncate to 64 characters.
777 * make-l2.com: Support openVMS/Alpha.
779 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
781 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
783 * longlong.h (count_leading_zeros): Add missing casts to USItype.
785 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
787 * i386/bsd386.h (ASM_COMMENT_START): Define.
789 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
791 * tree.c (restore_tree_status): Also free up temporary storage
792 when we finish a toplevel function.
793 (dump_tree_statistics): Print stats for backend obstacks.
795 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
797 * expr.c (use_group_regs): Don't call use_reg for MEMs.
799 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
801 * libgcc2.c (__throw): Don't copy the return address.
802 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
804 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
805 * toplev.c (main): Initialize exceptions_via_longjmp.
807 * tree.c: Add extra_inline_obstacks.
808 (save_tree_status): Use it.
809 (restore_tree_status): If this is a toplevel inline obstack and we
810 didn't want to save anything on it, recycle it.
811 (print_inline_obstack_statistics): New fn.
812 * function.c (pop_function_context_from): Pass context to
814 * obstack.h (obstack_empty_p): New macro.
816 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
818 * i386/freebsd.h (ASM_COMMENT_START): Fix.
820 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
822 * v850.c (ep_memory_offset): New function.
823 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
825 * v850.h (CONST_OK_FOR_*): Add and correct comments.
826 (CONSTANT_ADDRESS_P): Add comment.
827 (EXTRA_CONSTRAINT): Define 'U'.
828 * v850.md: Add comments on bit field instructions.
829 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
830 (lshrsi3): Use N not J constraint.
832 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
834 * v850.c (reg_or_0_operand): Call register_operand.
835 (reg_or_int5_operand): Likewise.
836 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
837 (TARGET_SWITCHES): Add "big-switch".
838 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
839 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
840 (CASE_DROPS_THROUGH): Comment out.
841 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
842 * v850.md (cmpsi): Delete compare mode.
843 (casesi): New pattern.
845 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
846 * v850.md (ashlsi3): Use SImode not QImode for shift count.
849 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
850 unreachable switch statement after 'b' support. Remove "b" from
851 strings for 'b' support.
852 * v850.md (branch_normal, branch_invert): Change %b to b%b.
854 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
856 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
857 empty line if @inhibit_libc@ is empty.
859 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
861 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
862 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
863 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
864 (DWARF2_UNWIND_INFO): Let this track object file format.
865 (EXTRA_SECTIONS): Add in_eh.
866 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
867 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
869 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
871 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
872 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
874 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
875 (output_double_int): Output DI mode values correctly when
876 HOST_BITS_PER_WIDE_INT is 64.
877 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
878 fmovd so it works if a quad float ends up in one of the upper 32
880 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
881 necessary for PIC support on sparc64.
883 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
885 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
886 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
887 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
888 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
889 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
890 (SPARC_FP_ARG_FIRST): New macro.
891 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
892 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
893 (NPARM_REGS): There are 32 fp argument registers now.
894 (FUNCTION_ARG_REGNO_P): Likewise.
895 (FIRST_PARM_OFFSET): Update to new v9 abi.
896 (REG_PARM_STACK_SPACE): Define for arch64.
897 (enum sparc_arg_class): Delete.
898 (sparc_arg_count,sparc_n_named_args): Delete.
899 (struct sparc_args): Redefine and use for arch32 as well as arch64.
900 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
901 (FUNCTION_ARG_ADVANCE): Rewrite.
902 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
903 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
904 (FUNCTION_ARG_CALLEE_COPIES): Delete.
905 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
906 (STRICT_ARGUMENT_NAMING): Define.
907 (doublemove_string): Declare.
908 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
909 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
910 (doublemove_string): New function.
911 (output_move_quad): Clean up some of the arch64 support.
912 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
913 Don't add 8 bytes of reserved space if arch64.
914 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
915 (init_cumulative_args): New function.
916 (function_arg_slotno): New static function.
917 (function_arg,function_arg_partial_nregs): New functions.
918 (function_arg_{pass_by_reference,advance}): New functions.
919 (function_arg_padding): New function.
920 * ginclude/va-sparc.h: Rewrite v9 support.
922 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
924 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
925 for hard regs to determine base and index registers.
927 * reload.c (debug_reload_to_stream): New function. Specify stream
928 into which to write debug info.
929 (debug_reload): Modify to call debug_reload_to_stream with stderr.
931 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
933 * combine.c (can_combine_p): Don't combine with an asm whose
934 output is a hard register.
936 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
938 * c-decl.c (start_struct): Ensure that structs with forward
939 declarations are in fact packed when -fpack-struct is given.
941 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
942 we are packing a structure. This allows a structure with only
943 bytes to be aligned on a byte boundary and have no padding on a
946 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
948 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
950 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
952 * alpha.c (alpha_return_addr_rtx): New variable.
953 (alpha_save_machine_status): New; save it.
954 (alpha_restore_machine_status): New; restore it.
955 (alpha_init_expanders): New; clear it.
956 (alpha_return_addr): New; set it.
957 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
958 is overly conservative, so search the insns explicitly.
959 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
960 (alpha_sa_size [VMS && !VMS]): Likewise.
961 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
962 (INIT_EXPANDERS): New definition.
964 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
965 (output_prolog [!VMS]): Use them.
967 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
968 (alpha_does_function_need_gp): ... a new function. Refine the
969 CALL_INSN test to just TYPE_JSR.
970 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
972 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
974 * version.c: Bump for snapshot.
976 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
978 * pa.c (move_operand): Respect -mdisable-indexing.
979 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
981 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
983 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
985 (umulsidi3,umulsi3_highpart): Ditto.
986 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
988 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
990 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
991 (alpha_handle_trap_shadows): ... a new function. Handle the entire
992 function in one go. Emit RTL for trapb, instead of printf directly.
993 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
994 (trap_pending): Kill global variable.
995 (output_epilog): Don't call final_prescan_insn.
996 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
997 * alpha.h (FINAL_PRESCAN_INSN): Remove.
998 (MACHINE_DEPENENT_REORG): Define.
999 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
1002 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
1004 Tune Haifa scheduler for Alpha:
1005 * alpha.h (ISSUE_RATE): Define.
1006 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
1007 EV4 adjustments to EV5.
1008 * alpha.md: Remove all scaling from function unit delays. Rework
1009 EV5 function units to match the CPU.
1010 (umuldi3_highpart): EV5 added the IMULH insn class.
1012 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
1014 * pa.c (following_call): Fail if the CALL_INSN is an indirect
1017 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
1019 * cplus-dem.c (demangle_signature): Don't look for return types on
1020 constructors. Handle member template constructors.
1022 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
1024 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
1025 * tree.h: Declare them.
1027 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
1029 * configure.in: Handle --with-newlib.
1030 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
1032 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
1034 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
1036 * config/ptx4.h: Fix typo.
1038 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
1040 * version.c: Bump for snapshot.
1042 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
1044 * aclocal.m4: Substitute INSTALL.
1045 * configure: Re-built.
1047 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
1049 * integrate.c (save_for_inline_copying): Avoid undefined pointer
1051 (expand_inline_function): Likewise.
1053 * dwarf2out.c (output_call_frame_info): Reinstate last change
1054 using flag_debug_asm check instead of flag_verbose_asm.
1056 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
1058 * dwarf2out.c (output_call_frame_info): Remove last change.
1060 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1062 * frame.c (__frame_state_for): Execute the FDE insns until the
1063 current pc value is strictly bigger than the target pc value.
1065 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
1067 * regclass.c (init_reg_modes): If we can't find a mode for the
1068 register, use the previous one.
1070 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
1072 * haifa-sched.c (print_block_visualization): Call fprintf directly,
1073 don't sprintf through an alloca'ed buffer.
1075 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
1077 * reload.c (decompose): Always initialize val.base.
1079 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1081 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
1082 instead of aborting.
1083 * dwarf2out.c (output_call_frame_info): Call app_enable and
1084 app_disable to let GNU as accept the generated comments.
1086 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
1088 * tree.h (get_file_function_name): Add declaration.
1089 * dwarf2out.c (output_call_frame_info): No need to cast
1090 get_file_function_name call anymore.
1091 * profile.c (toplevel): Remove get_file_function_name
1093 * c-lang.c (finish_file): Ditto.
1095 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
1097 * Makefile.in (program_transform_name): Let autoconf substitute
1100 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
1102 * haifa-sched.c (schedule_block): If the first real insn in a
1103 block has any special notes attached to it, remove them.
1105 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
1107 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
1109 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1111 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
1113 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
1115 * Makefile.in (check-g77): New test target.
1116 (CHECK-TARGETS): Add check-g77.
1118 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1120 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
1122 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
1124 * flow.c (print_rtl_with_bb): Cast alloca return value for
1127 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
1129 * i386.h (RETURN_ADDR_RTX): New definition that works for
1130 __builtin_return_address(0) and -fomit-frame-pointer.
1132 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
1134 Bring over from FSF.
1135 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
1137 * mips.c (function_arg): Handle passing a struct
1138 containing a double in a DFmode register without the PARALLEL.
1140 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
1142 * pexecute.c: Use spawn if __CYGWIN32__.
1144 * pexecute.c: Include "config.h" first, as per autoconf manual
1145 (from Paul Eggert <eggert@twinsun.com>).
1147 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1149 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
1150 optimisation for f/expr.o and f/stb.o.
1152 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
1154 * cse.c (this_insn_cc0_mode): Initialize.
1156 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
1158 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
1160 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
1162 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
1164 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
1165 that pair will dual-issue on the 21164 and plus+beq won't.
1166 (bne): Likewise for cmpeq+beq.
1168 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
1170 * except.c (find_exception_handler_labels): Correct argument to free.
1172 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
1174 * except.c (find_exception_handler_labels): Free LABELS when we're
1177 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
1179 * version.c: Bump for snapshot.
1181 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1183 * flow.c (find_basic_blocks): Mark calls as potentially jumping
1186 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
1188 * configure.in: Substitute for "install" too.
1189 * configure: Rebuilt.
1191 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
1193 * Makefile.in (bootstrap-lean, compare-lean): New targets.
1195 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
1197 * alias.c (base_alias_check): Two symbols can conflict if they
1198 are accessed via AND.
1199 (memrefs_conflict_p): Likewise.
1201 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
1202 after flushing argument registers to the stack.
1204 * Makefile.in (mostlyclean): Remove .regmove files.
1206 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1208 * libgcc2.c (__throw): Fix thinko.
1210 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
1212 * cplus-dem.c (demangle_template): Add new parameter. Handle new
1213 template-function mangling.
1214 (consume_count_with_underscores): New function.
1215 (demangle_signature): Handle new name-mangling scheme.
1217 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1219 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
1222 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
1224 * frame.c: Remove last change.
1225 * dwarf2.h: Remove last change.
1226 * tree.h: Add declarations of DWARF2 unwind info support
1229 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1231 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
1232 * tree.h (built_in_function): Likewise.
1233 * expr.c (expand_builtin): Likewise.
1234 * except.h: Likewise.
1235 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
1236 * libgcc2.c (copy_reg): New fn.
1239 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
1241 * c-typeck.c (build_binary_op): Warn about comparing signed vs
1242 unsigned if -W is specified and -Wno-sign-compare is not.
1243 * c-decl.c (warn_sign_compare): Initialize to -1.
1244 (c_decode_option): -Wall no longer implies -Wsign-compare.
1246 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1248 * frame.c: Include gansidecl.h for PROTO.
1249 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
1250 defined. Don't declare dwarf2out_cfi_label here.
1251 * dwarf2.h: Add declarations of DWARF2 unwind info support
1253 * m68k.c: Include dwarf2.h.
1254 (output_function_prologue): Add dwarf2 support.
1255 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
1256 (INCOMING_FRAME_SP_OFFSET): Likewise.
1258 * integrate.c (expand_inline_function): Make sure there is at
1259 least one insn that can be used as an insertion point.
1261 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1263 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
1265 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
1267 * version.c: Bump for snapshot.
1269 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
1271 Bring over from FSF.
1273 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
1275 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
1276 (get_pc_via_rdpc): Renamed from get_pc_sp64.
1277 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
1279 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
1281 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
1282 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
1284 (sparc_align_{loops,jumps,funcs}_string): Declare.
1285 (sparc_align_{loops,jumps,funcs}): Declare.
1286 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
1287 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
1288 (STACK_BIAS): Define.
1289 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
1291 (SPARC_SETHI_P): New macro.
1292 (CONST_OK_FOR_LETTER_P): Use it.
1293 (ASM_OUTPUT_ALIGN_CODE): Define.
1294 (ASM_OUTPUT_LOOP_ALIGN): Define.
1295 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
1296 (sparc_align_{loops,jumps,funcs}): New globals.
1297 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
1299 (move_operand): Use SPARC_SETHI_P.
1300 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
1302 (arith11_double_operand): Likewise.
1303 (arith10_double_operand): Likewise.
1304 (finalize_pic): Finish sparc64 support.
1305 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
1306 64 bit constants if able.
1307 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
1308 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
1310 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
1311 (get_pc_sp32): Use for sparc64 as well.
1312 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
1313 (sethi_di_sp64_const): Likewise.
1314 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
1315 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
1316 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
1318 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
1320 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
1321 * sparc/linux.h (COMMENT_BEGIN): Likewise.
1322 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
1324 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
1326 Add sparc64 linux support.
1327 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
1328 to xm_file list on 32-bit sparc-linux.
1329 * sparc/xm-sp64.h: New file.
1330 * sparc/linux64.h: New file.
1331 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
1332 Don't include xm-sparc.h.
1333 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
1334 * glimits.h (LONG_MAX): Handle sparc64.
1336 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
1338 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
1339 * sparc.h (ASM_COMMENT_START): Define.
1340 * sparc.c (output_function_prologue): Use it.
1341 (sparc_flat_output_function_{epi,pro}logue): Likewise.
1343 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
1345 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
1346 use sparc.h's copies.
1347 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
1350 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1352 * sparc.c (dwarf2out_cfi_label): Add declaration.
1353 (save_regs, output_function_prologue): Remove cast for it.
1354 (sparc_flat_{save_restore,output_function_prologue): Likewise.
1355 ({save,restore}_regs): No longer inline.
1357 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1359 * fold-const.c (make_range): Correctly handle cases of converting
1360 from unsigned to signed type.
1362 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1364 * fold-const.c (merge_ranges): Make sure that if one range is subset
1365 of another, it will always be the second range. Correct (+,-) case to
1368 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1370 * final.c (final_end_function): Also do dwarf2 thing if
1371 DWARF2_DEBUGGING_INFO.
1372 (final_start_function): Likewise.
1374 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
1376 * expmed.c (expand_divmod): If compute_mode is not the same as
1377 mode, handle the case where convert_modes() causes op1 to no
1378 longer be a CONST_INT.
1380 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
1381 note holding get_jump_flags() calculation to all JUMP_INSNs.
1382 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
1383 * rtl.c (reg_note_name): Add new note types.
1385 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
1387 * rtlanal.c (computed_jump_p): Fix typo in last change.
1389 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1391 * loop.c (indirect_jump_in_function_p): Return 0
1394 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
1396 * rs6000/xm-rs6000.h: Fix thinko in last change.
1397 * rs6000/xm-sysv4.h: Likewise.
1399 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
1401 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
1403 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
1405 * reg-stack.c (find_blocks): Fix thinko in last change.
1407 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1409 * m68k.c (output_function_prologue): Add dwarf2 support.
1411 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
1412 INCOMING_FRAME_SP_OFFSET): New definitions.
1414 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
1416 * combine.c (try_combine): Use NULL_RTX instead of '0' where
1417 appropriate in calls to gen_rtx().
1418 * cse.c (cse_main): Likewise.
1419 * emit-rtl.c (gen_label_rtx): Likewise.
1420 * expr.c (init_expr_once): Likewise.
1421 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
1422 sched_analyze, init_rgn_data_dependences,
1423 compute_block_backward_dependences): Likewise.
1424 * sched.c (schedule_insns): Likewise.
1425 * varasm.c (immed_double_const): Likewise.
1427 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
1428 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
1430 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
1432 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
1433 (MULTILIB_DEFAULTS): Define.
1434 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
1435 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
1436 (LIBGCC_SPEC): Likewise.
1437 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
1438 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
1439 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
1440 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
1441 (EXTRA_PARTS, TAROUTOPTS): Delete.
1442 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
1443 (MULTILIB_OPTIONS): Define.
1444 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
1445 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
1447 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
1449 * version.c: Bump for snapshot.
1451 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
1453 * loop.c (loop_number): Delete function. Change all references
1454 to use uid_loop_num array.
1455 * loop.h (loop_number): Delete declaration.
1456 * unroll.c (unroll_loop): Change "loop_number" references to
1457 use uid_loop_num instead.
1459 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
1461 (loop_unroll_iter): Remove unused variable and all references.
1462 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
1463 (insert_bct): Fix minor formatting problems.
1464 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
1465 (loop_unroll_iter): Removed unused decl.
1466 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
1467 Always record the unrolling factor.
1469 * cse.c (simplify_relational_operation): Set h0u just like h0s.
1470 Similarly for h1u and h1s.
1472 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
1473 (find_basic_blocks): Use computed_jump_p to determine if a
1474 particular JUMP_INSN is a computed jump.
1475 * reg-stack.c (find_blocks): Use computed_jump_p to determine
1476 if a particular JUMP_INSN is a computed jump.
1477 * rtlanal.c (jmp_uses_reg_or_mem): New function.
1478 (computed_jump_p): Likewise.
1479 * rtl.h (computed_jump_p): Declare.
1480 * genattrtab.c (pc_rtx): Define and initialize.
1481 * loop.c (loop_optimize): Always determine if the current
1482 function has a computed jump.
1483 (indirect_jump_in_function_p): Use computed_jump_p to determine
1484 if a particular JUMP_INSN is a computed jump.
1486 * loop.c (fix_bct_param): Delete unused function.
1487 (check_bct_param): Likewise.
1489 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1491 * frame.c (__deregister_frame): Check properly for initialized object.
1493 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1495 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
1497 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1499 * jump.c (thread_jumps): check can_reverse_comparison_p before
1500 threading a reversed-condition jump.
1502 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
1503 * haifa-sched.c (update_flow_info): Likewise.
1505 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
1507 * Makefile.in (BOOT_CFLAGS): Use -O2.
1509 * configure.in (strtoul, bsearch): Have autoconf check for these
1511 * configure, config.in: Rebuilt.
1513 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
1514 * mips/mips.h (alloca): Likewise.
1515 * rs6000/xm-rs6000.h (alloca): Likewise.
1516 * rs6000/xm-sysv4.h: Likewise.
1518 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
1520 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
1521 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
1522 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
1524 * except.c (end_eh_unwinder): Subtract 1 from return address.
1525 * libgcc2.c (__throw): Likewise.
1526 (find_exception_handler): Don't change PC here. Compare end with >.
1528 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
1530 * v850.c (compute_register_save_size): Correct register
1532 * v850.md (save_interrupt, return_interrupt): Correct
1534 * v850/lib1funcs.asm (save_interrupt): Correct register number.
1535 (return_interrupt): Use stack pointer, not element pointer.
1537 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
1539 * configure.in, configure: Make sure to create the stage* and include
1540 symbolic links in each subdirectory.
1542 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
1544 * pa.md (reload_peepholes): Don't allow addresses with side
1545 effects for the memory operand.
1547 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1549 * libgcc2.c (find_exception_handler): Subtract one from our PC when
1550 looking for a handler, to avoid hitting the beginning of the next
1553 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
1555 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
1557 * mips/abi64.h (LONG_MAX_SPEC): Define.
1558 * mips.h (LONG_MAX_SPEC): Define.
1559 (CPP_SPEC): Include long_max_spec.
1560 (EXTRA_SPECS): Include long_max_spec.
1562 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
1564 * v850.c (construct_save_jarl): Fix thinko in last change.
1566 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
1568 * version.c: Bump for snapshot.
1570 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1572 * libgcc2.c (find_exception_handler): Not found is -1.
1574 * integrate.c (expand_inline_function): Move expand_start_bindings
1575 after expanding the arguments.
1577 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
1579 * expr.c (expand_expr): Remove previous incorrect change.
1580 If target and slot has no DECL_RTL, then call mark_addressable
1581 again for the slot after we give it RTL.
1583 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
1585 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1586 again for the slot after we give it RTL.
1588 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
1590 * v850.c (register_is_ok_for_epilogue,
1591 pattern_is_ok_for_epilogue, construct_restore_jr,
1592 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
1594 * v850.h (pattern_is_ok_for_prologue,
1595 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
1598 * v850.md: Replace prologue and epilogue patterns with a
1599 match_parallel pattern.
1601 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
1603 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
1604 * configure.in: Use EGCS_PROG_INSTALL.
1606 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
1608 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
1609 extern inline function.
1611 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
1613 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
1614 (concat_loc_descriptor): New function.
1615 (loc_descriptor): Call it.
1616 (add_AT_location_description): Also elide the descriptor if both
1617 halves of a CONCAT are pseudos.
1618 (add_location_or_const_value_attribute): Recognize CONCAT too.
1620 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
1622 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
1624 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
1625 out-or-range reg_offset.
1626 (output_epilog): Likewise.
1628 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
1630 * cse.c (simplify_relational_operation): If MODE specifies a
1631 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
1632 is derived from the sign bit of the low word.
1634 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1636 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
1638 * dwarf2.h: Add DW_CFA_GNU_args_size.
1639 * frame.c (execute_cfa_insn): Likewise.
1640 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
1641 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
1642 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
1643 insn, hand it off to dwarf2out_stack_adjust.
1644 (dwarf2out_begin_prologue): Initialize args_size.
1645 * frame.h (struct frame_state): Add args_size.
1646 * libgcc2.c (__throw): Use args_size.
1647 * final.c (final_scan_insn): If we push args, hand off all insns
1648 to dwarf2out_frame_debug.
1649 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
1651 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
1652 Handle epilogue restore of SP from FP.
1653 * emit-rtl.c (gen_sequence): Still generate a sequence if the
1654 lone insn has RTX_FRAME_RELATED_P set.
1656 * frame.c (extract_cie_info): Handle "e" augmentation.
1657 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
1658 absence of UNALIGNED_*_ASM_OP.
1659 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
1660 (output_call_frame_info): Use "e" instead of "z" for augmentation.
1661 Don't emit augmentation fields length.
1662 (dwarf2out_do_frame): Move outside of #ifdefs.
1663 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
1666 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
1667 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
1668 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
1669 * sparc/sun4gas.h: New file.
1670 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
1672 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
1673 __register_frame_table and __deregister_frame.
1675 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
1677 * except.c (find_exception_handler_labels): Use xmalloc instead of
1678 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
1681 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
1683 * Makefile.in: Various changes to build info files
1684 in the object tree rather than the source tree.
1686 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
1688 * fixinc.math: New file to fix math.h on some systems.
1689 * configure.in (freebsd, netbsd): Use fixinc.math on these
1691 * configure: Rebuilt.
1693 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
1695 * regmove.c (regmove_optimize): If we end up moving the
1696 original insn due to lifetime overlaps, make sure to move
1699 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
1701 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
1703 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
1705 * haifa-sched.c (add_branch_dependences): Make each insn in
1706 a SCHED_GROUP_P block explicitly depend on the previous insn.
1708 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1710 * except.h: Prototype dwarf2 hooks.
1713 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
1715 * configure.in (native_prefix): Delete.
1716 (mips-dec-netbsd): Don't set prefix.
1717 (*linux*): Don't set prefix.
1719 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
1721 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
1722 defined. If not defined, include <sys/varargs.h> if
1723 HAVE_SYS_VARARGS_H is defined.
1724 * configure.in: Test for varargs.h and sys/varargs.h.
1725 * configure: Regenerate with autoconf.
1726 * config.in: Regenerate with autoheader.
1728 * cpplib.c (quote_string): Cast first arg of sprintf call
1729 from "unsigned char *" to "char *".
1730 (output_line_command): Ditto.
1731 (macroexpand): Ditto.
1732 (do_line): Cast atoi arg from "unsigned char *" to "char *".
1734 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
1736 * version.c: Bump for snapshot.
1738 * Makefile.in (compare): Exit with nonzero status if there
1739 are comparison failures. Note which files failed the
1740 comparison test in .bad_compare.
1742 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1744 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
1746 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
1748 * Makefile.in (LN, LN_S): New macros, use where appropriate.
1749 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
1750 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
1751 * configure: Regenerated.
1753 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
1755 * loop.c (strength_reduce): Fix typo.
1757 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
1759 * m88k/m88k.c (struct option): Rename to struct options.
1760 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
1761 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
1762 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
1763 __DOLPHIN__ or sysV88.
1765 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
1767 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
1770 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
1772 * config.sub: Accept 'amigados' for backward compatability.
1774 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1776 * Makefile.in (testsuite/site.exp): New target.
1777 (check-gcc, check-g++): Depend on testsuite/site.exp.
1778 Don't stop for failure.
1780 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
1782 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
1783 if DWARF2_UNWIND_INFO.
1785 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
1787 Add support for exception handling using DWARF 2 frame unwind info.
1788 Currently works on SPARC and MIPS, and almost on x86.
1790 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
1791 next_stack_level, in_reg_window): Helper fns.
1792 (__throw): Implement for DWARF2_UNWIND_INFO.
1794 * expr.c (expand_builtin): Handle builtins used by __throw.
1795 * tree.h (enum built_in_function): Add builtins used by __throw.
1796 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
1797 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
1798 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
1799 (expand_builtin_extract_return_addr): Likewise.
1800 (expand_builtin_frob_return_addr): Likewise.
1801 (expand_builtin_set_return_addr_reg): Likewise.
1802 (expand_builtin_eh_stub): Likewise.
1803 (expand_builtin_set_eh_regs): Likewise.
1804 (eh_regs): Choose two call-clobbered registers for passing back values.
1806 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
1807 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
1808 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
1809 (stmp-multilib): Likewise.
1810 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
1812 * except.c: #include "defaults.h".
1813 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
1814 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
1815 (register_exception_table_p): New fn.
1816 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
1817 (end_eh_unwinder): Likewise.
1819 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
1820 call __register_frame and __deregister_frame as needed.
1821 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
1822 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
1823 EH_FRAME_SECTION_ASM_OP.
1824 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
1825 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
1826 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
1828 * dwarf2out.c (output_call_frame_info): If no support for
1829 EXCEPTION_SECTION, mark the start of the frame info with a
1831 * collect2.c (frame_tables): New list.
1832 (is_ctor_dtor): Recognise frame entries.
1833 (scan_prog_file): Likewise.
1834 (main): Pass -fno-exceptions to sub-compile. Also do collection
1835 if there are any frame entries.
1836 (write_c_file_stat): Call __register_frame_table and
1837 __deregister_frame as needed.
1838 (write_c_file_glob): Likewise.
1840 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
1841 Also require unaligned reloc support.
1842 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1843 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
1844 * sparc/sysv4.h: Not here.
1846 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
1847 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
1848 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
1850 * libgcc2.c (L_eh): Reorganize, moving code shared by different
1851 EH implementations to the top.
1852 (find_exception_handler): Split out. Start from 0. Compare against
1854 (__find_first_exception_table_match): Use it.
1855 * except.c (output_exception_table): Don't do anything if there's
1856 no table. Don't output a first entry of zeroes.
1857 (eh_outer_context): Adjust properly.
1858 (add_eh_table_entry): Use xrealloc.
1859 * toplev.c (compile_file): Just call output_exception_table.
1861 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
1863 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
1865 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
1867 * except.c (eh_outer_context): Do masking using expand_and.
1869 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
1871 Add port done awhile ago for the ARC cpu.
1872 * arc/arc.h: New file.
1873 * arc/arc.c: New file.
1874 * arc/arc.md: New file.
1875 * arc/initfini.c: New file.
1876 * arc/lib1funcs.asm: New file.
1877 * arc/t-arc: New file.
1878 * arc/xm-arc.h: New file.
1879 * ginclude/va-arc.h: New file.
1880 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
1881 * ginclude/varargs.h: Likewise.
1882 * Makefile.in (USER_H): Add va-arc.h.
1883 * configure.in (arc-*-elf*): Recognize.
1884 * longlong.h: Add ARC support.
1886 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
1888 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
1889 when clearing non-BLKmode data.
1891 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
1893 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
1894 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
1896 * xm-m88k.h (USG): Only define if it hasn't already been defined.
1898 * Makefile.in (risky-stage1): Delete gratutious whitespace.
1900 * Makefile.in (clean): Delete libgcc1-test.
1902 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
1904 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
1906 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
1909 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1911 * dwarf2out.c (output_call_frame_info): Call named_section.
1913 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
1915 * haifa-sched.c (print_value): Fix last change.
1917 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
1919 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
1922 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1924 * mips.c (function_prologue): Set up the CFA when ABI_32.
1926 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
1927 for dwarf2 unwind info.
1928 (output_function_prologue, sparc_flat_output_function_prologue): Same.
1930 * final.c (final_end_function): Check dwarf2out_do_frame instead
1931 of DWARF2_DEBUG for dwarf2 unwind info.
1932 (final_scan_insn): Likewise.
1933 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
1936 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
1939 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
1941 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
1943 * v850.h (ASM_SPEC): Pass on target processor.
1944 (CPP_PREDEFINES): Only define if not already specified.
1945 (TARGET_VERSION): Only define if not already specified.
1946 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
1948 (EXTRA_SWITCHES): Extra entries in the switches array.
1949 (TARGET_DEFAULT): Set default target processor.
1951 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
1953 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
1954 cases, add %# and %/, and add : to make them into extended asms.
1956 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
1958 * alias.c (init_alias_analysis): Clean up incompatible pointer
1959 type warning in bzero.
1960 * regmove.c (regmove_optimize): Ditto.
1961 * haifa-sched.c (find_rgns): Ditto.
1963 * haifa-sched.c (print_value): Clean up ptr->int cast
1966 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
1968 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
1969 * install.texi (Configurations): Ditto.
1970 * config.sub: Ditto.
1972 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
1974 * Makefile.in (sdbout.o): Depend on insn-config.h.
1976 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
1978 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
1979 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
1981 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
1983 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
1984 prologue insn, only the first elt is significant.
1985 (output_call_frame_info): For exception handling, always use 4-byte
1986 fields as specified by the dwarf2 spec.
1987 Don't skip trivial FDEs.
1989 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
1991 * version.c: Bump for snapshot.
1993 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
1995 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
1996 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
1999 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
2001 * final.c (shorten_branches): During first pass, assume worst
2002 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
2004 * Makefile.in (distclean): Remove various things left around
2005 by running the testsuite.
2007 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
2009 * configure.in (out_file): Emit definition to config.status in order
2010 to have a defined value for configure.lang.
2011 * configure: Re-built.
2013 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
2015 * configure.in: Make symlink to as-new rather than as.new. Similarly
2017 * configure: Rebuilt.
2019 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
2021 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
2023 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
2025 * sparc/sparc.md: Add ultrasparc scheduling support.
2026 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
2028 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2030 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
2031 as initial value for real_label_map.
2032 (copy_for_inline): Likewise.
2034 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2036 * sched.c (update_flow_info) When looking if to set found_split_dest
2037 or found_orig_dest, look at all parts of a PARALLEL.
2038 * haifa-sched.c (update_flow_info): Likewise.
2040 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
2042 * v850: New directory for v850 port.
2043 * v850/lib1funcs.asm: New file.
2044 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
2045 * ginclude/va-v850.h: New file.
2046 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
2047 * configure.in (mn10200-*-*): New target.
2048 * configure: Rebuilt.
2049 * config.sub: Handle v850-elf.
2050 * Makefile.in (USER_H): Add va-mn10200.h.
2051 * invoke.texi: Document v850 stuff.
2053 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
2055 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
2056 has integer TYPE_{MAX,MIN}_VALUE before using them.
2058 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
2059 __HPUX_ASM__ versions.
2061 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
2063 * install.sh: Delete duplicate install script.
2065 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
2067 * reg-stack.c (subst_stack_regs): Pop the stack register for a
2068 computed goto which sets the same stack register.
2070 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
2071 destination are both on the regstack.
2072 (subst_stack_regs_pat): Put the destination at the top of the regstack.
2074 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
2076 * mips.md (nonlocal_goto_receiver): Define.
2078 * profile.c (output_arc_profiler): Check next_insert_after for non
2079 NULL before deferencing it.
2081 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
2083 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
2085 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
2087 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
2089 * toplev.c (rest_of_compilation): For passes starting with
2090 flow_analysis, use print_rtl_with_bb instead of print_rtl.
2092 * print-rtl.c (print_rtl_single): Print a single rtl value to a
2095 * flow.c (print_rtl_with_bb): Print which insns start and end
2096 basic blocks. For the start of a basic block, also print the live
2099 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
2101 * toplev.c (main): Change #elif to #else/#ifdef
2103 * tlink.c: Include ctype.h.
2104 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
2106 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
2108 * bitmap.c: Conditionally include stdlib.h.
2109 (free): Provide a declaration if NEED_DECLARATION_FREE.
2111 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
2113 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
2115 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
2117 * profile.c (output_arc_profiler): Verify next_insert_after is an
2118 INSN before and after skipping a stack pop.
2120 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2122 * final.c (shorten_branches): Don't count the lengths of deleted
2125 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
2127 * version.c: Bump for snapshot.
2129 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
2131 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
2132 two bitmaps ANDed together.
2133 (bitmap_print): Declare.
2135 * bitmap.c (function_obstack): Don't declare any more.
2136 (bitmap_obstack): Obstack for allocating links from.
2137 (bitmap_obstack_init): New static to say whether to initialize
2139 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
2140 (bitmap_release_memory): Free all memory allocated from
2143 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
2144 EXECUTE_IF_AND_IN_BITMAP.
2146 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
2148 * alias.c (true_dependence): Address with AND can alias scalars.
2149 (anti_dependence, output_dependence): Likewise.
2151 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
2153 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
2155 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
2156 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
2157 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
2158 definitions. Use -qrtems instead of -mrtems.
2160 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
2162 * xm-sco5.h (sys_siglist): Define.
2163 (SYS_SIGLIST_DECLARED): Likewise.
2165 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
2167 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
2169 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
2171 * except.c (eh_outer_context): Expand masking operation using
2174 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
2176 * alpha.md (floatdisf2-1): New pattern.
2178 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
2180 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
2181 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
2182 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
2183 * gcc.texi: Note that if you define sys_siglist that you should
2184 also define SYS_SIGLIST_DECLARED.
2186 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
2187 are relative to the next instruction, not the current instruction.
2189 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
2191 * local-alloc.c (contains_replace_regs): New function.
2192 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
2193 verify that there is no existing REG_EQUIV note, and add a call to
2194 contains_place_regs.
2196 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2198 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
2199 (STARTFILE_SPEC): Always use crtbegin.o%s
2200 (ENDFILE_SPEC): Always use crtend.o%s.
2202 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
2204 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
2206 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
2207 SFmode for 64 bit hosts.
2209 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
2211 * fixincludes: Permits spaces between # and define. Discard C++
2212 comments in sys/pci.h on HP/UX 10.20.
2214 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
2216 * version.c: Bump for snapshot.
2218 * pa.c (restore_unscaled_index_insn_codes): New function.
2219 (record_unscaled_index_insn_codes): Likewise.
2220 (output_function_prologue): Call restore_unscaled_index_insn_codes.
2221 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
2222 (pa_reorg): Call record_unscaled_index_insn_codes.
2224 * haifa-sched.c (move_insn): Handle notes correctly for insns
2225 with SCHED_GROUP_P set.
2227 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2229 * alpha/xm-linux.h (USE_BFD): Undef before define.
2231 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
2233 * cse.c (cse_insn): Don't record BLKmode values.
2235 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
2237 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
2239 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
2241 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
2242 * collect2.c (sys_errlist): Likewise.
2243 * cpplib.c (sys_errlist): Likewise.
2244 * gcc.c (sys_errlist): Likewise.
2245 * protoize (sys_errlist): Likewise.
2246 * configure.in: Check for strerror.
2247 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
2248 * xm-gnu.h (HAVE_STRERROR): Likewise.
2249 * xm-linux.h (HAVE_STRERROR): Likewise.
2250 * xm-netbsd.h (HAVE_STRERROR): Likewise.
2251 * xm-bsd386.h (HAVE_STRERROR): Likewise.
2252 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
2253 * xm-dos.h (HAVE_STRERROR): Likewise.
2254 * xm-mingw32.h (HAVE_STRERROR): Likewise.
2255 * xm-pa.h (HAVE_STRERROR): Likewise.
2256 * xm-papro.h (HAVE_STRERROR): Likewise.
2257 * xm-sysv4.h (HAVE_STRERROR): Likewise.
2258 * configure, config.in: Rebuilt.
2260 * Makefile.in: Add several missing "else true" clauses.
2262 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
2263 * mips-tfile.c: Likewise.
2264 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
2265 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
2266 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
2267 * configure.in: Check for sys_siglist declaration.
2268 * configure, config.in: Rebuilt.
2270 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
2272 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
2273 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
2274 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
2275 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
2276 * rs6000/sysv4.h (extra_subtarget_switches): Added new
2277 macro EXTRA_SUBTARGET_SWITCHES.
2278 * configure.in (sh*-*-rtems*): New target.
2279 * sh/rtems.h: New file.
2280 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
2281 * configure: Rebuilt.
2283 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
2285 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
2287 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
2289 * rs6000.md: Make DF fused-add operations pay attention to
2292 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
2294 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
2296 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
2298 * pa.md (reload_peepholes): Make sure operand is a REG before
2299 examining REGNO. Allow general registers too.
2301 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
2303 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
2305 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
2307 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
2308 to reallocate abbrev_die_table.
2310 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
2312 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
2314 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2316 * Makefile.in (config.status): Depend on version.c
2318 * expr.h (insn_gen_function): Reenable prototype.
2320 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
2323 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
2325 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
2327 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
2329 * version.c: Bump for latest snapshot.
2331 * bc-optab.c: Conditionally include stdlib.h.
2332 (free): Provide a declaration if NEED_DECLARATION_FREE.
2333 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
2334 * rtl.h (free): Remove declaration.
2335 * tree.h (free): Remvoe declaration.
2337 * configure: Rebuilt.
2339 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
2341 * flags.h (flag_move_all_movables): Declare.
2342 (flag_reduce_all_givs): Likewise.
2343 * loop.c (move_movables): Handle flag_move_all_movables.
2344 (strength_reduce): Handle flag_reduce_all_givs.
2345 * toplev.c (flag_move_all_movables): Define.
2346 (flag_reduce_all_givs): Likewise.
2347 (f_options): Add -fmove-all-movables and -freduce-all-givs.
2348 * invoke.texi: Document new options, including alias stuff that
2349 wasn't included last time.
2351 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
2353 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
2356 * t-vxworks68: Ditto.
2357 * t-vxworks960: Ditto.
2360 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
2362 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
2363 if not already defined, and USE_C_ALLOCA not defined.
2365 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
2367 * config.guess: Replace with script that uses ../config.guess.
2369 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
2370 if USE_GNULIBC_1 is not defined.
2372 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
2374 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
2375 * config.guess: Recognize alpha-linux-gnulibc1.
2376 * configure.in (alpha-*-linux-gnulibc1): New target.
2377 (alpha-*-linux-gnu*): Don't build crtbegin/end.
2379 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
2381 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
2384 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
2386 * loop.c (combine_movables): Earlier insns don't match later ones.
2388 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2390 * config/linux.h (CC1_SPEC): Define it only if not defined.
2392 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
2395 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
2396 USE_GNULIBC_1 is not defined.
2398 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
2400 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
2401 as 1 if USE_GNULIBC_1 is not defined.
2403 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
2405 * reorg.c (dbr_schedule): Allow current_function_return_rtx
2406 to be something other than a REG.
2407 * function.c (expand_function_end): Fix current_function_return_rtx
2410 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
2411 * x-netbsd: Likewise
2412 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
2413 (INSTALL_HEADERS): Delete.
2414 * x-dguxbcs: Likewise.
2415 * x-hp3bsd44: Likewise
2418 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2420 * i386.md (pop): pop increments the stack pointer.
2421 (prologue_set_stack_ptr): New pattern.
2422 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
2425 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
2427 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
2428 address where an offsettable address is required.
2430 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
2432 * loop.c (check_final_value): Don't miss a biv increment in a
2435 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
2437 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
2438 TYPE_DECL_IS_STUB instead of DECL_NAME.
2440 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2442 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
2444 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
2446 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
2448 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
2450 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
2451 (find_post_sched_live): Likewise.
2453 * haifa-sched.c (schedule_block): Remove old code to get arguments
2454 from hard regs into pseudos early.
2456 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
2458 * version.c: Bump for new snapshot.
2460 * local-alloc.c (update_equiv_regs): All the target to reject
2461 promotion of some REG_EQUAL to REG_EQUIV notes.
2462 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
2464 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
2467 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
2468 store of the argument registers.
2470 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
2472 * fold-const.c (multiple_of_p): New function.
2473 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
2475 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
2477 * expr.h (insn_gen_function): Temporarily remove prototype.
2479 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
2481 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
2482 filenames. Use sed to extract base filename for install.
2484 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
2486 * unroll.c (find_splittable_givs): Only share if two givs have the
2487 same add and multiply values.
2489 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
2491 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
2492 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
2494 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
2496 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
2497 around branch tables.
2498 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
2499 and .end_brtab directives if TARGET_GAS.
2501 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
2503 * alias.c (true_dependence): Pass x_addr not x to varies.
2505 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
2506 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
2507 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
2509 * config.in, configure: Regenerate.
2511 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
2513 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
2515 (record_set): Handle LO_SUM like PLUS.
2516 (init_alias_analysis): When following chains of base addresses,
2517 do not stop on reaching a hard register.
2519 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
2521 * version.c: Bump for new snapshot.
2523 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
2525 * alpha.h (ARCH_ASM_FILE_START): Define.
2526 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
2527 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
2529 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
2531 * Makefile.in (install-common): Put gcov comment at start of line.
2533 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
2535 * alias.c (init_alias_analysis): When simplifying the reg_base_value
2536 array, simplify entries for hard registers too.
2538 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
2540 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
2543 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
2545 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
2546 block_stack before dereferencing it.
2548 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
2550 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
2552 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2554 * cplus-dem.c: Add 'extern' to prepends_underscore.
2556 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
2558 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
2559 (get_issue_rate): Delete.
2560 * pa.h (ISSUE_RATE): Define.
2562 * configure.in: Turn on haifa by default for the PA.
2563 * configure: Rebuilt.
2564 * pa.c (override_options): Accept -mschedule=7200 option.
2565 (pa_adjust_cost): No longer need to scale costs for newer
2567 * pa.h (enum processor_type): Add PROCESSOR_7200.
2568 * pa.md: Revamp scheduling parameters to work better with
2569 haifa. Add scheduling parameters for the 7200.
2571 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
2573 (schedule_block): When adjusting basic_block_{head,end}, account
2574 for movement of SCHED_GROUP_P insns too.
2576 * haifa-sched.c (debug_dependencies): Fix thinko.
2578 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
2579 (site.exp, check, check-g++, check-gcc): New targets.
2581 * haifa-sched.c: Make lots of variables static.
2583 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2585 * expr.h, real.h: Finish prototyping.
2587 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
2589 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
2590 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
2591 * reload1.c: Undo bugfix from Aug 11.
2593 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
2595 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
2596 quotes around the name.
2597 * configure: Regenerate.
2599 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
2601 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
2603 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
2605 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
2606 to sub-makes to avoid building more passes than the user might have
2607 requested on the command line.
2609 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
2611 * configure.in: Expurgate `broken_install' (install is
2614 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
2617 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
2619 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
2620 functions and declarations.
2621 (analyze_loop_iterations): Use condjump_p.
2622 (insert_bct): Likewise. Use exact_log2.
2624 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
2626 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
2627 (schedule_region): Likewise.
2628 (schedule_insns): Likewise.
2630 * PROJECTS: Update with Haifa stuff.
2632 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
2634 * version.c: Change the version string to look like:
2635 egcs-2.90.00 970814 (gcc2-970802 experimental).
2637 * loop.c (is_conditional_branch): Make definition match declaration.
2639 * gcc.c: Take out experimental snapshot warning message.
2641 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
2643 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
2644 print out the names of the notes. Print out the name of the insn
2645 that is not a note, and not an {,CALL_,JUMP_}INSN.
2647 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2649 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
2650 again for the slot after we give it RTL.
2652 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
2654 * configure.in (haifa configury): Fix typo.
2655 * configure: Regenerate.
2657 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
2659 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
2661 * gcc.info*: Rebuilt.
2663 * COPYING.g77, README.g77: New files.
2664 * real.c (ereal_unto_float, ereal_unto_double): New functions.
2665 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
2666 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
2668 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
2670 * Integrate Haifa instruction scheduler.
2671 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
2672 to sched with $(SCHED_CFLAGS.
2673 * configure.in: Handle --enable-haifa.
2674 * configure: Rebuilt.
2675 * flags.h: Add new flags for haifa instruction scheduler.
2676 * genattrtab.c (expand_units): For haifa, don't subtract one
2677 when computing blockage.
2678 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
2679 (flag_schedule_speculative): Ditto.
2680 (flag_schedule_speculative_load): Ditto.
2681 (flag_schedule_speculative_load_dangerous): Ditto.
2682 (flag_schedule_reverse_before_reload): Ditto.
2683 (flag_schedule_reverse_after_reload): Ditto.
2684 (flag_branch_on_count_reg): Ditto.
2685 (f_options): Add Haifa switches.
2686 (main): Turn off some Haifa options if appropriate macro is
2687 defined. Process Haifa switches.
2688 * unroll.c (iteration_info): No longer static, since Haifa
2690 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
2691 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
2692 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
2693 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
2694 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
2695 storage for the Haifa scheduler.
2696 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
2698 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
2699 are defined, call analyze_loop_iterations and insert_bct to use
2701 (record_giv): Refine test for jumps out of loops if HAIFA is
2703 (analyze_loop_iterations): New function to identify if we can use
2705 (insert_bct): Insert countdown loop.
2706 (instrument_loop_bct): Low level code to insert countdown loop.
2707 (loop_number): Calculate UID of loop.
2708 (indirect_jump_in_function_p): Return true if an indirect jump is
2710 (is_power_of_2): Return true if value is a power of 2.
2711 (is_conditional_branch): Return true if insn is a conditional
2713 (fix_bct_param): Process -fbct-{min,max}-N switches.
2714 (check_bct_param): Return true if loop should be instrumented.
2715 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
2716 (loop_optimize): Initialize.
2717 (get_condition_for_loop): Ditto.
2718 * loop.c (strength_reduce): Inside of code that uses #ifdef
2719 HAVE_decrement_and_branch_on_count code, test it to make sure the
2721 (instrument_loop_bct): Ditto.
2722 * haifa-sched.c: New file.
2725 * Integrate regmove pass.
2726 * Makefile.in (OBJS): Add regmove.o
2727 (regmove.o): Add dependencies.
2728 * flow.c (find_use_as_address): No longer static.
2729 * rtl.h (find_use_as_address): Declare.
2730 * toplev.c (regmove_dump, flag_regmove): Define.
2731 (f_options): Add -fregmove.
2732 (regmove_dump_file, regmove_time): Define.
2733 (fatal_insn): Close the regmove dump file.
2734 (compile_file): Initialize regmove_time; open/close the regmove dump
2735 file as needed. Print regmove time as needed.
2736 (rest_of_compilation): Run regmove pass if requested, dump
2737 RTL after regmove if requested.
2738 (main): If -O2 or more, turn on regmove. Handle dump switches.
2739 * regmove.c: New file.
2741 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
2743 * Integrate tlink patch from jason@cygnus.com
2744 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
2745 (process_command): Increment n_switches for them. Don't discard
2746 their args. Validate them.
2747 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
2749 (process_command): Set include_prefixes from COMPILER_PATH.
2750 (main): Set COLLECT_GCC_OPTIONS sooner.
2751 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
2752 * tlink.c, hash.c, hash.h: New files.
2753 * Makefile.in (USE_COLLECT2): Always use collect2.
2754 (collect2): Depend on and link in hash.o and tlink.o.
2755 (tlink.o, hash.o): Add dependencies.
2757 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
2759 * Integrate alias analysis changes from jfc@mit.edu
2760 * Makefile.in (OBJS): Add alias.o
2761 (alias.o): Add dependencies.
2762 * alias.c: New file.
2763 * sched.c: Remove alias analysis code. It lives in alias.c now.
2764 (sched_analyze_2): Add new arguments to true_dependence.
2765 (schedule_insns): Always call init_alias_analysis.
2766 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
2767 mark return value from such functions as a pointer and keep track of
2768 them for alias analysis. If a return value from a function is a
2769 pointer, mark it as such.
2770 * combine.c (distribute_notes): Handle REG_NOALIAS.
2771 * cse.c (struct write_data): Delete. No longer needed.
2772 (invalidate): Don't call set_nonvarying_address_components anymore.
2773 Use true_dependence to decide if an entry should be removed from
2775 (invalidate_memory): Remove WRITES argument, simplify appropriately.
2777 (note_mem_written): Similarly for WRITE_PTR argument.
2778 (invalidate_from_clobbers): Similarly for W argument.
2779 (invalidate_for_call): Remove memory elements from the hash table.
2780 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
2781 (cse_rtx_varies_p): New function. Derived from old
2782 cse_rtx_addr_varies_p.
2783 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
2784 Don't call note_mem_written anymore. Stack pushes invalidate the stack
2785 pointer if PUSH_ROUNDING is defined. No longer need to call
2786 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
2787 (skipped_writes_memory): Remove variable.
2788 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
2789 (invalidate_skipped_block): Simplify for new alias analysis code.
2790 (cse_set_around_loop): Likewise.
2791 (cse_main): Call init_alias_analysis.
2792 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
2793 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
2794 (f_options): Add new alias checking arguments.
2795 (main): Set flag_alias_check when optimizing.
2796 * local_alloc (validate_equiv_mem_from_store): Add new arguments
2798 (memref_referenced_p): Likewise.
2799 * loop.c (NUM_STORES): Increase to 30.
2800 (prescan_loop): Only non-constant calls set unknown_address_altered.
2801 (invariant_p): Add new arguments to true_dependence.
2802 (record_giv): Initialize unrolled and shared fields.
2803 (emit_iv_add_mult): Call record_base_value as needed.
2804 * loop.h (struct induction): Add unrolled and shared fields.
2805 * unroll.c (unroll_loop): Call record_base_value as needed.
2806 (copy_loop_body): Likewise.
2807 (final_biv_value): Likewise.
2808 (final_giv_value): Likewise.
2809 (find_splittable_regs): Likewise. Only create one new pseudo
2810 if we have multiple address GIVs that were combined with the same
2811 dst_reg GIV. Note when a new register is created due to unrolling.
2812 * rtl.c (reg_note_name): Add REG_NOALIAS.
2813 * rtl.h (enum reg_note): Similarly.
2814 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
2815 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
2816 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
2817 (true_dependence, read_dependence, anti_dependence): Likewise.
2818 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
2819 (mark_user_reg, mark_reg_pointer): Likewise.
2822 * Integrate reload bugfix from Wilon which enables the PA port
2824 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
2825 OPERAND_ADDRESS when computing how many registers an insn needs.
2826 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
2828 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
2830 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
2831 in reload_reg_use_in_op_addr do not reach the end.
2832 do not reach the end.
2833 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
2834 RELOAD_FOR_OPERAND_ADDRESS.
2836 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
2838 * egcs project officially starts.