1 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
3 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
5 * confiugre.in: Tweak NCR entries.
8 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
10 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
11 pick apart floating point values, instead of using CONST_DOUBLE_LOW
12 and CONST_DOUBLE_HIGH.
14 * rs6000.md (define_splits for DF constants): Use the appropriate
15 REAL_VALUE_* interface to pick apart DF floating point constants in
16 a machine independent fashion.
18 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
20 * fold-const.c (fold_truthop): When changing a one-bit comparison
21 against zero into a comparison against mask, do a proper sign
24 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
26 * except.c: Do not include "assert.h".
27 (save_eh_status): Turn asserts into conditional aborts.
28 (restore_eh_status, scan_region): Likewise.
29 * dwarfout.c: Do not include "assert.h".
30 (bit_offset_attribute): Turn asserts into conditional aborts.
31 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
32 (output_inlined_structure_type_die): Likewise.
33 (output_inlined_union_type_die): Likewise
34 (output_tagged_type_instantiation): Likewise.
35 (dwarfout_file_scope_decl): Likewise.
36 * dwarf2out.c: Do not include "assert.h"
37 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
38 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
39 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
40 (add_bit_size_attribute, scope_die_for): Likewise.
41 (output_pending_types_for_scope): Likewise.
42 (get_inlined_enumeration_type_die): Likewise.
43 (get_inlined_structure_type_die): Likewise.
44 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
45 (gen_tagged_type_instantiation_die): Likewise.
47 * flow.c (find_basic_blocks): Refine further to get a more correct
48 cfg, especially in the presense of exception handling, computed
49 gotos, and other non-trivial cases. Call abort if an inaccuracy
50 is detected in the cfg.
52 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
54 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
56 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
57 (skip_white_space): Use whitespace_cr.
58 (check_newline): Handle whitespace more consistently.
60 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
62 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
63 * i386/xm-cygwin32.h (POSIX): Define.
65 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
67 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
68 is available elsewhere.
70 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
72 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
73 what the instruction can handle.
75 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
77 * stmt.c (expand_decl_cleanup_no_eh): New fn.
79 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
81 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
83 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
84 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
86 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
88 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
89 swap instruction order.
91 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
93 * fixinc.svr4 (__STDC__): Add another case.
95 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
97 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
98 addresses in the epilogue delay slot.
100 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
102 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
103 in generated `specs' file.
105 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
107 * flags.h (flag_rerun_loop_opt): Declare.
108 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
109 * toplev.c (flag_rerum_loop_opt): Delete static.
111 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
115 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
117 * va-sh.h (__va_arg_sh1): Define.
119 SH3E doesn't use any integer registers for subsequent arguments
120 once a non-float value was passed in the stack.
121 * sh.c (machine_dependent_reorg): If optimizing, put explicit
122 alignment in front label for ADDR_DIFF_VEC.
123 * sh.h (PASS_IN_REG_P): Fix SH3E case.
124 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
126 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
128 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
131 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
133 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
134 put an use_sfunc_addr before each sfunc.
135 * sh.md (use_sfunc_addr, dummy_jump): New insns.
136 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
138 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
140 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
142 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
144 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
147 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
149 * alias.c (find_base_value): Only return the known base value for
152 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
154 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
155 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
157 (prologue_get_pc_and_set_got): New pattern.
159 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
161 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
162 for SUBREG, just fall through.
164 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
166 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
168 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
170 * fixincludes: Fix "hypot" prototype in NeXT math.h.
172 * Makefile.in (USE_ALLOCA): Always include alloca.o.
173 (USE_HOST_ALLOCA): Likewise.
175 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
176 and LABEL_REFS fields.
177 * rtl.h (LABEL_REFS): Update.
179 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
181 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
182 sets i2dest. When calling distribute_notes for i3dest_killed, pass
183 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
186 * mips.md (insv, extzv, extv): Add change_address call.
187 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
189 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
191 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
193 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
194 save_restore_insns if no FP and GP will be restored.
196 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
197 Convert CCmode to word_mode before calling GET_MODE_SIZE.
199 * acconfig.h (HAVE_INTTYPES_H): Undef.
200 * configure.in (inttypes.h): Check for conflicts between sys/types.h
201 and inttypes.h, and verify that intmax_t is defined.
202 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
203 * config/mips/x-iris3: Likewise.
205 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
207 * alias.c (find_base_value): When copying arguments, return the
208 tenative value for a hard register.
210 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
212 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
213 (yylex): Record wide strings using target endianness, not host.
215 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
217 * mn10200.h (ASM_OUTPUT_BSS): Delete.
218 (ASM_OUTPUT_ALIGNED_BSS): New macro
219 * mn10300.h (ASM_OUTPUT_BSS): Delete.
220 (ASM_OUTPUT_ALIGNED_BSS): New macro.
221 * v850.h (ASM_OUTPUT_BSS): Delete.
222 (ASM_OUTPUT_ALIGNED_BSS): New macro.
224 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
226 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
228 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
230 * configure.in (sco5): Use cpio to install header files.
232 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
234 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
236 * configure: Rebuild.
238 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
240 * i386/sco5.h: enable -gstabs once again.
242 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
244 * arm.c (output_move_double): Allocate 3 entries in otherops array.
246 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
248 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
249 notes for sjlj exceptions too.
250 (expand_eh_region_end): Similarly for EH_REGION_END notes.
251 (exception_optimize): Optimize EH regions for sjlj exceptions too.
252 * final.c (final_scan_insn): Don't output labels for EH REGION
253 notes if doing sjlj exceptions.
255 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
257 * alias.c (init_alias_analysis): Handle -fno-alias-check when
258 optimizing correctly.
260 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
261 or set current_function_calls_setjmp anymore.
263 * flow.c (find_basic_blocks): If we delete the label for an
264 exception handler, remove it from the EH label list and remove
265 the EH_BEGIN/EH_END notes for that EH region.
267 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
269 * flow.c (find_basic_blocks): Generate correct flow control
270 information when exception handling notes are present.
272 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
274 * dwarf2out.c (output_call_frame_info): Fix length argument
276 (output_die, output_pubnames, output_line_info): Likewise.
278 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
280 * version.c: Bump for snapshot.
282 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
283 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
284 flag_debug_asm is on.
285 (output_die, output_pubnames, output_line_info): Likewise.
287 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
288 and static_chain_rtx into the potential base values array if
291 * alias.c (new_reg_base_value): New array of potential base values.
292 (unique_id): Now file scoped static.
293 (find_base_value, case REG): Return the value in reg_base_value
294 array for the REG if it exists. Else, return the value from
295 new_reg_base_value if copying args and REG is a hard register.
296 (find_base_value, case PLUS): If either operand of the PLUS is
297 a REG, try to get its base value. Handle base + index and
299 (record_set): Use new_reg_base_value instead of reg_base_value.
300 (init_alias_analysis): Allocate space for new_reg_base_value too.
301 Rework code to iterate over the insns propagating base value
302 information until nothing changes.
304 * global.c (global_alloc): Free the conflict matrix after
307 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
309 * libgcc2.c (L_eh): Define __eh_pc.
310 Replace __eh_type with generic pointer __eh_info.
312 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
314 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
315 use copy_to_reg if address is not a general_operand.
317 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
319 * profile.c (output_func_start_profiler): Clear flag_inline_functions
320 for the duration of the call to rest_of_compilation.
322 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
324 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
326 (sparc*-*-*): Recognize --with-cpu=v9.
327 * sparc/elf.h: New file.
328 * sparc/t-elf: New file.
330 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
332 * mn10300.c (const_8bit_operand): New function.
333 (mask_ok_for_mem_btst): New funtion.
334 * mn10300.md (btst patterns with mem operands): Use new functions
335 to avoid creating btst instructions with invalid operands.
337 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
339 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
340 are running on PowerPC Linux.
342 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
344 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
345 if not previously defined.
347 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
349 * function.c (assign_parms): Correct mode of stack_parm if
350 entry_parm underwent a mode conversion.
352 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
354 * global.c (global_alloc): Use xmalloc instead of alloca for
355 CONFLICTS, since max_allocno * allocno_row_words alone can be more
356 than 2.5Mb sometimes.
358 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
360 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
361 DEST for the spill, adjust mode of SRC to compensate.
363 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
365 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
366 since any_memory_operand() allows pseudos during reload.
367 (reload_inhi, reload_outqi, reload_outhi): Likewise.
369 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
371 * m68k.md (btst patterns): Add 5200 support.
373 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
375 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
376 optimizations, look inside dividend to determine if the expression
377 can be simplified by using EXACT_DIV_EXPR.
379 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
382 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
384 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
386 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
388 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
390 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
393 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
395 * alpha.md (movqi, movhi): Make sure new insns created during reload
396 won't need reloading themselves.
397 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
399 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
401 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
403 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
405 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
406 Patch from Klaus Kaempf <kkaempf@progis.de>.
408 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
410 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
411 to an element in a constant string.
413 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
415 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
416 bit PC-relative offset. The exception range table pointer is now in
418 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
419 (count_fdes, add_fdes, get_cie): Adjust.
420 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
423 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
425 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
427 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
428 like stack_pointer_rtx.
430 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
432 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
433 targets using "$@" to provide support for similar but not identical
434 targets without having to duplicate code.
435 (bootstrap4): New goal.
437 * Makefile.in (compare, compare-lean, compare3): Combined to one
438 ruleset determining actions to be performed via $@.
439 (compare4, compare4-lean): New targets.
440 (gnucompare, gnucompare3): Combined to one ruleset determining
441 actions to be performed via $@. Also, note which files failed
442 the comparison test in .bad_compare.
443 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
445 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
447 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
448 if the dividend is a multiple of the divisor.
450 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
452 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
454 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
457 * alias.c (true_dependence): Fix typo.
459 * toplev.c (flag_rerun_loop_opt): New variable.
460 (f_options): Handle -frerun-loop-opt.
461 (rest_of_compilation): If -frerun-loop-opt, then run the loop
463 (main): Enable -frerun-loop-opt by default for -O2 or greater.
465 * loop.c (simplify_giv_expr): Adding two invariants results
468 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
470 * expr.c (get_inner_reference): Remove the array bias after
471 converting the index to Pmode.
473 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
475 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
476 (TARGET_MULT_BUG): Define.
477 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
478 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
480 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
482 * mn10200.c (indirect_memory_operand): Delete unused function.
483 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
484 * mn10200.md (bset, bclr insns): Handle output in a reg too.
486 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
488 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
489 the callee's ldgp, we must do it ourselves, and we use the jsr tag
490 for more than scheduling.
492 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
494 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
496 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
498 * mn10300.c (symbolic_operand, legitimize_address): New functions.
499 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
500 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
502 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
504 * version.c: Bump for snapshot.
506 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
508 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
511 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
513 * toplev.c (flag_exceptions): Default value is 2.
514 (compile_file): If flag_exceptions still has the value 2, then
517 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
518 (rs6000_save_machine_status): Save pic_offset_table_rtx.
519 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
521 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
524 * rs6000.md (*movsi_got_internal_mem): New pattern.
525 (*movsi_got_internal_mem splitter): New define_split.
527 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
529 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
531 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
533 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
534 only need to save LR.
536 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
538 * mn10300.md (movqi, movhi): Avoid using address registers as
539 destinations unless absolutely necessary.
541 * mn10200.c (expand_prologue): Fix typo.
543 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
545 * mn10200.md (neghi2): Provide an alternative which works if
546 the input and output register are the same.
548 * mn10300.c (print_operand): Handle 'S'.
549 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
550 shift amount in last alternative
552 * mn10300.c (expand_epilogue): Rework to handle register restores
553 in "ret" and "retf" instructions correctly.
555 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
557 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
558 extzv for memory operands.
560 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
561 redundant conditional moves to single operand.
563 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
565 * v850.h: Move define of __v850__ from CPP_PREDEFINES
568 * xm-v850.h: Use __v850 rather than __v850__ to
571 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
573 * mips/mips.c (compute_frame_size): Not a leaf function if
576 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
578 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
580 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
582 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
583 (DEFAULT_ARCH32_P): New macro.
584 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
585 (enum cmodel): Declare.
586 (sparc_cmodel_string,sparc_cmodel): Declare.
587 (SPARC_DEFAULT_CMODEL): Provide default.
588 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
589 (TARGET_FULLANY): Deleted.
590 (TARGET_CM_MEDMID): New macro.
591 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
592 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
593 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
595 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
596 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
597 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
598 (ASM_SPEC): Add %(asm_arch).
599 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
600 Rename asm_default to asm_cpu_default.
601 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
602 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
603 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
604 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
605 (MASK_INT64,MASK_LONG64): Delete.
606 (MASK_ARCH64): Renamed to MASK_64BIT.
607 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
608 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
609 (TARGET_SWITCHES): Always provide 64 bit options.
610 (ARCH64_SWITCHES): Delete.
611 (TARGET_OPTIONS): New option -mcmodel=.
612 (INT_TYPE_SIZE): Always 32.
613 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
614 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
615 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
616 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
617 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
619 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
620 * sparc/linux.h: Likewise.
621 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
622 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
623 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
624 (SPARC_DEFAULT_CMODEL): Define.
625 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
626 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
627 (LONG_DOUBLE_TYPE_SIZE): Define.
628 (ASM_SPEC): Add %(asm_arch).
629 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
630 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
631 (TARGET_CPU_DEFAULT): Add ultrasparc case.
632 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
633 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
634 (SPARC_DEFAULT_CMODEL): Define.
635 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
636 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
637 MASK_LONG64, MASK_MEDANY.
638 (SPARC_DEFAULT_CMODEL): Define.
639 (CPP_PREDEFINES): Delete.
640 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
641 (ASM_SPEC): Add %(asm_arch).
642 (LONG_DOUBLE_TYPE_SIZE): Define.
643 (DWARF2_DEBUGGING_INFO): Define.
644 * sparc/splet.h (CPP_SPEC): Delete.
645 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
646 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
647 (BLOCK_PROFILER): Likewise.
648 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
649 (sparc_override_options): Handle code model selection.
650 (sparc_init_expanders): Renamed from sparc64_init_expanders.
651 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
652 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
653 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
654 (sethi_di_fullany): Delete.
656 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
657 Jeff Law <law@cygnus.com>
658 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
660 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
661 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
662 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
663 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
664 * alpha/alpha.md (arg_home): Likewise.
666 * alpha/alpha.c (vmskrunch): Delete
667 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
668 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
669 truncate to 64 characters.
671 * make-l2.com: Support openVMS/Alpha.
673 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
675 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
677 * longlong.h (count_leading_zeros): Add missing casts to USItype.
679 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
681 * i386/bsd386.h (ASM_COMMENT_START): Define.
683 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
685 * tree.c (restore_tree_status): Also free up temporary storage
686 when we finish a toplevel function.
687 (dump_tree_statistics): Print stats for backend obstacks.
689 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
691 * expr.c (use_group_regs): Don't call use_reg for MEMs.
693 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
695 * libgcc2.c (__throw): Don't copy the return address.
696 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
698 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
699 * toplev.c (main): Initialize exceptions_via_longjmp.
701 * tree.c: Add extra_inline_obstacks.
702 (save_tree_status): Use it.
703 (restore_tree_status): If this is a toplevel inline obstack and we
704 didn't want to save anything on it, recycle it.
705 (print_inline_obstack_statistics): New fn.
706 * function.c (pop_function_context_from): Pass context to
708 * obstack.h (obstack_empty_p): New macro.
710 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
712 * i386/freebsd.h (ASM_COMMENT_START): Fix.
714 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
716 * v850.c (ep_memory_offset): New function.
717 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
719 * v850.h (CONST_OK_FOR_*): Add and correct comments.
720 (CONSTANT_ADDRESS_P): Add comment.
721 (EXTRA_CONSTRAINT): Define 'U'.
722 * v850.md: Add comments on bit field instructions.
723 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
724 (lshrsi3): Use N not J constraint.
726 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
728 * v850.c (reg_or_0_operand): Call register_operand.
729 (reg_or_int5_operand): Likewise.
730 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
731 (TARGET_SWITCHES): Add "big-switch".
732 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
733 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
734 (CASE_DROPS_THROUGH): Comment out.
735 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
736 * v850.md (cmpsi): Delete compare mode.
737 (casesi): New pattern.
739 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
740 * v850.md (ashlsi3): Use SImode not QImode for shift count.
743 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
744 unreachable switch statement after 'b' support. Remove "b" from
745 strings for 'b' support.
746 * v850.md (branch_normal, branch_invert): Change %b to b%b.
748 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
750 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
751 empty line if @inhibit_libc@ is empty.
753 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
755 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
756 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
757 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
758 (DWARF2_UNWIND_INFO): Let this track object file format.
759 (EXTRA_SECTIONS): Add in_eh.
760 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
761 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
763 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
765 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
766 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
768 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
769 (output_double_int): Output DI mode values correctly when
770 HOST_BITS_PER_WIDE_INT is 64.
771 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
772 fmovd so it works if a quad float ends up in one of the upper 32
774 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
775 necessary for PIC support on sparc64.
777 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
779 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
780 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
781 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
782 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
783 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
784 (SPARC_FP_ARG_FIRST): New macro.
785 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
786 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
787 (NPARM_REGS): There are 32 fp argument registers now.
788 (FUNCTION_ARG_REGNO_P): Likewise.
789 (FIRST_PARM_OFFSET): Update to new v9 abi.
790 (REG_PARM_STACK_SPACE): Define for arch64.
791 (enum sparc_arg_class): Delete.
792 (sparc_arg_count,sparc_n_named_args): Delete.
793 (struct sparc_args): Redefine and use for arch32 as well as arch64.
794 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
795 (FUNCTION_ARG_ADVANCE): Rewrite.
796 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
797 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
798 (FUNCTION_ARG_CALLEE_COPIES): Delete.
799 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
800 (STRICT_ARGUMENT_NAMING): Define.
801 (doublemove_string): Declare.
802 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
803 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
804 (doublemove_string): New function.
805 (output_move_quad): Clean up some of the arch64 support.
806 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
807 Don't add 8 bytes of reserved space if arch64.
808 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
809 (init_cumulative_args): New function.
810 (function_arg_slotno): New static function.
811 (function_arg,function_arg_partial_nregs): New functions.
812 (function_arg_{pass_by_reference,advance}): New functions.
813 (function_arg_padding): New function.
814 * ginclude/va-sparc.h: Rewrite v9 support.
816 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
818 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
819 for hard regs to determine base and index registers.
821 * reload.c (debug_reload_to_stream): New function. Specify stream
822 into which to write debug info.
823 (debug_reload): Modify to call debug_reload_to_stream with stderr.
825 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
827 * combine.c (can_combine_p): Don't combine with an asm whose
828 output is a hard register.
830 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
832 * c-decl.c (start_struct): Ensure that structs with forward
833 declarations are in fact packed when -fpack-struct is given.
835 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
836 we are packing a structure. This allows a structure with only
837 bytes to be aligned on a byte boundary and have no padding on a
840 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
842 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
844 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
846 * alpha.c (alpha_return_addr_rtx): New variable.
847 (alpha_save_machine_status): New; save it.
848 (alpha_restore_machine_status): New; restore it.
849 (alpha_init_expanders): New; clear it.
850 (alpha_return_addr): New; set it.
851 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
852 is overly conservative, so search the insns explicitly.
853 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
854 (alpha_sa_size [VMS && !VMS]): Likewise.
855 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
856 (INIT_EXPANDERS): New definition.
858 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
859 (output_prolog [!VMS]): Use them.
861 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
862 (alpha_does_function_need_gp): ... a new function. Refine the
863 CALL_INSN test to just TYPE_JSR.
864 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
866 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
868 * version.c: Bump for snapshot.
870 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
872 * pa.c (move_operand): Respect -mdisable-indexing.
873 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
875 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
877 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
879 (umulsidi3,umulsi3_highpart): Ditto.
880 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
882 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
884 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
885 (alpha_handle_trap_shadows): ... a new function. Handle the entire
886 function in one go. Emit RTL for trapb, instead of printf directly.
887 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
888 (trap_pending): Kill global variable.
889 (output_epilog): Don't call final_prescan_insn.
890 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
891 * alpha.h (FINAL_PRESCAN_INSN): Remove.
892 (MACHINE_DEPENENT_REORG): Define.
893 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
896 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
898 Tune Haifa scheduler for Alpha:
899 * alpha.h (ISSUE_RATE): Define.
900 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
901 EV4 adjustments to EV5.
902 * alpha.md: Remove all scaling from function unit delays. Rework
903 EV5 function units to match the CPU.
904 (umuldi3_highpart): EV5 added the IMULH insn class.
906 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
908 * pa.c (following_call): Fail if the CALL_INSN is an indirect
911 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
913 * cplus-dem.c (demangle_signature): Don't look for return types on
914 constructors. Handle member template constructors.
916 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
918 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
919 * tree.h: Declare them.
921 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
923 * configure.in: Handle --with-newlib.
924 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
926 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
928 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
930 * config/ptx4.h: Fix typo.
932 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
934 * version.c: Bump for snapshot.
936 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
938 * aclocal.m4: Substitute INSTALL.
939 * configure: Re-built.
941 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
943 * integrate.c (save_for_inline_copying): Avoid undefined pointer
945 (expand_inline_function): Likewise.
947 * dwarf2out.c (output_call_frame_info): Reinstate last change
948 using flag_debug_asm check instead of flag_verbose_asm.
950 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
952 * dwarf2out.c (output_call_frame_info): Remove last change.
954 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
956 * frame.c (__frame_state_for): Execute the FDE insns until the
957 current pc value is strictly bigger than the target pc value.
959 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
961 * regclass.c (init_reg_modes): If we can't find a mode for the
962 register, use the previous one.
964 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
966 * haifa-sched.c (print_block_visualization): Call fprintf directly,
967 don't sprintf through an alloca'ed buffer.
969 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
971 * reload.c (decompose): Always initialize val.base.
973 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
975 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
977 * dwarf2out.c (output_call_frame_info): Call app_enable and
978 app_disable to let GNU as accept the generated comments.
980 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
982 * tree.h (get_file_function_name): Add declaration.
983 * dwarf2out.c (output_call_frame_info): No need to cast
984 get_file_function_name call anymore.
985 * profile.c (toplevel): Remove get_file_function_name
987 * c-lang.c (finish_file): Ditto.
989 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
991 * Makefile.in (program_transform_name): Let autoconf substitute
994 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
996 * haifa-sched.c (schedule_block): If the first real insn in a
997 block has any special notes attached to it, remove them.
999 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
1001 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
1003 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1005 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
1007 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
1009 * Makefile.in (check-g77): New test target.
1010 (CHECK-TARGETS): Add check-g77.
1012 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1014 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
1016 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
1018 * flow.c (print_rtl_with_bb): Cast alloca return value for
1021 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
1023 * i386.h (RETURN_ADDR_RTX): New definition that works for
1024 __builtin_return_address(0) and -fomit-frame-pointer.
1026 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
1028 Bring over from FSF.
1029 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
1031 * mips.c (function_arg): Handle passing a struct
1032 containing a double in a DFmode register without the PARALLEL.
1034 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
1036 * pexecute.c: Use spawn if __CYGWIN32__.
1038 * pexecute.c: Include "config.h" first, as per autoconf manual
1039 (from Paul Eggert <eggert@twinsun.com>).
1041 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1043 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
1044 optimisation for f/expr.o and f/stb.o.
1046 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
1048 * cse.c (this_insn_cc0_mode): Initialize.
1050 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
1052 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
1054 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
1056 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
1058 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
1059 that pair will dual-issue on the 21164 and plus+beq won't.
1060 (bne): Likewise for cmpeq+beq.
1062 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
1064 * except.c (find_exception_handler_labels): Correct argument to free.
1066 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
1068 * except.c (find_exception_handler_labels): Free LABELS when we're
1071 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
1073 * version.c: Bump for snapshot.
1075 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1077 * flow.c (find_basic_blocks): Mark calls as potentially jumping
1080 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
1082 * configure.in: Substitute for "install" too.
1083 * configure: Rebuilt.
1085 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
1087 * Makefile.in (bootstrap-lean, compare-lean): New targets.
1089 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
1091 * alias.c (base_alias_check): Two symbols can conflict if they
1092 are accessed via AND.
1093 (memrefs_conflict_p): Likewise.
1095 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
1096 after flushing argument registers to the stack.
1098 * Makefile.in (mostlyclean): Remove .regmove files.
1100 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1102 * libgcc2.c (__throw): Fix thinko.
1104 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
1106 * cplus-dem.c (demangle_template): Add new parameter. Handle new
1107 template-function mangling.
1108 (consume_count_with_underscores): New function.
1109 (demangle_signature): Handle new name-mangling scheme.
1111 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1113 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
1116 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
1118 * frame.c: Remove last change.
1119 * dwarf2.h: Remove last change.
1120 * tree.h: Add declarations of DWARF2 unwind info support
1123 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1125 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
1126 * tree.h (built_in_function): Likewise.
1127 * expr.c (expand_builtin): Likewise.
1128 * except.h: Likewise.
1129 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
1130 * libgcc2.c (copy_reg): New fn.
1133 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
1135 * c-typeck.c (build_binary_op): Warn about comparing signed vs
1136 unsigned if -W is specified and -Wno-sign-compare is not.
1137 * c-decl.c (warn_sign_compare): Initialize to -1.
1138 (c_decode_option): -Wall no longer implies -Wsign-compare.
1140 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1142 * frame.c: Include gansidecl.h for PROTO.
1143 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
1144 defined. Don't declare dwarf2out_cfi_label here.
1145 * dwarf2.h: Add declarations of DWARF2 unwind info support
1147 * m68k.c: Include dwarf2.h.
1148 (output_function_prologue): Add dwarf2 support.
1149 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
1150 (INCOMING_FRAME_SP_OFFSET): Likewise.
1152 * integrate.c (expand_inline_function): Make sure there is at
1153 least one insn that can be used as an insertion point.
1155 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1157 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
1159 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
1161 * version.c: Bump for snapshot.
1163 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
1165 Bring over from FSF.
1167 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
1169 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
1170 (get_pc_via_rdpc): Renamed from get_pc_sp64.
1171 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
1173 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
1175 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
1176 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
1178 (sparc_align_{loops,jumps,funcs}_string): Declare.
1179 (sparc_align_{loops,jumps,funcs}): Declare.
1180 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
1181 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
1182 (STACK_BIAS): Define.
1183 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
1185 (SPARC_SETHI_P): New macro.
1186 (CONST_OK_FOR_LETTER_P): Use it.
1187 (ASM_OUTPUT_ALIGN_CODE): Define.
1188 (ASM_OUTPUT_LOOP_ALIGN): Define.
1189 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
1190 (sparc_align_{loops,jumps,funcs}): New globals.
1191 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
1193 (move_operand): Use SPARC_SETHI_P.
1194 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
1196 (arith11_double_operand): Likewise.
1197 (arith10_double_operand): Likewise.
1198 (finalize_pic): Finish sparc64 support.
1199 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
1200 64 bit constants if able.
1201 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
1202 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
1204 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
1205 (get_pc_sp32): Use for sparc64 as well.
1206 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
1207 (sethi_di_sp64_const): Likewise.
1208 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
1209 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
1210 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
1212 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
1214 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
1215 * sparc/linux.h (COMMENT_BEGIN): Likewise.
1216 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
1218 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
1220 Add sparc64 linux support.
1221 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
1222 to xm_file list on 32-bit sparc-linux.
1223 * sparc/xm-sp64.h: New file.
1224 * sparc/linux64.h: New file.
1225 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
1226 Don't include xm-sparc.h.
1227 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
1228 * glimits.h (LONG_MAX): Handle sparc64.
1230 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
1232 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
1233 * sparc.h (ASM_COMMENT_START): Define.
1234 * sparc.c (output_function_prologue): Use it.
1235 (sparc_flat_output_function_{epi,pro}logue): Likewise.
1237 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
1239 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
1240 use sparc.h's copies.
1241 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
1244 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1246 * sparc.c (dwarf2out_cfi_label): Add declaration.
1247 (save_regs, output_function_prologue): Remove cast for it.
1248 (sparc_flat_{save_restore,output_function_prologue): Likewise.
1249 ({save,restore}_regs): No longer inline.
1251 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1253 * fold-const.c (make_range): Correctly handle cases of converting
1254 from unsigned to signed type.
1256 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1258 * fold-const.c (merge_ranges): Make sure that if one range is subset
1259 of another, it will always be the second range. Correct (+,-) case to
1262 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1264 * final.c (final_end_function): Also do dwarf2 thing if
1265 DWARF2_DEBUGGING_INFO.
1266 (final_start_function): Likewise.
1268 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
1270 * expmed.c (expand_divmod): If compute_mode is not the same as
1271 mode, handle the case where convert_modes() causes op1 to no
1272 longer be a CONST_INT.
1274 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
1275 note holding get_jump_flags() calculation to all JUMP_INSNs.
1276 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
1277 * rtl.c (reg_note_name): Add new note types.
1279 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
1281 * rtlanal.c (computed_jump_p): Fix typo in last change.
1283 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1285 * loop.c (indirect_jump_in_function_p): Return 0
1288 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
1290 * rs6000/xm-rs6000.h: Fix thinko in last change.
1291 * rs6000/xm-sysv4.h: Likewise.
1293 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
1295 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
1297 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
1299 * reg-stack.c (find_blocks): Fix thinko in last change.
1301 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1303 * m68k.c (output_function_prologue): Add dwarf2 support.
1305 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
1306 INCOMING_FRAME_SP_OFFSET): New definitions.
1308 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
1310 * combine.c (try_combine): Use NULL_RTX instead of '0' where
1311 appropriate in calls to gen_rtx().
1312 * cse.c (cse_main): Likewise.
1313 * emit-rtl.c (gen_label_rtx): Likewise.
1314 * expr.c (init_expr_once): Likewise.
1315 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
1316 sched_analyze, init_rgn_data_dependences,
1317 compute_block_backward_dependences): Likewise.
1318 * sched.c (schedule_insns): Likewise.
1319 * varasm.c (immed_double_const): Likewise.
1321 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
1322 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
1324 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
1326 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
1327 (MULTILIB_DEFAULTS): Define.
1328 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
1329 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
1330 (LIBGCC_SPEC): Likewise.
1331 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
1332 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
1333 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
1334 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
1335 (EXTRA_PARTS, TAROUTOPTS): Delete.
1336 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
1337 (MULTILIB_OPTIONS): Define.
1338 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
1339 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
1341 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
1343 * version.c: Bump for snapshot.
1345 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
1347 * loop.c (loop_number): Delete function. Change all references
1348 to use uid_loop_num array.
1349 * loop.h (loop_number): Delete declaration.
1350 * unroll.c (unroll_loop): Change "loop_number" references to
1351 use uid_loop_num instead.
1353 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
1355 (loop_unroll_iter): Remove unused variable and all references.
1356 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
1357 (insert_bct): Fix minor formatting problems.
1358 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
1359 (loop_unroll_iter): Removed unused decl.
1360 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
1361 Always record the unrolling factor.
1363 * cse.c (simplify_relational_operation): Set h0u just like h0s.
1364 Similarly for h1u and h1s.
1366 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
1367 (find_basic_blocks): Use computed_jump_p to determine if a
1368 particular JUMP_INSN is a computed jump.
1369 * reg-stack.c (find_blocks): Use computed_jump_p to determine
1370 if a particular JUMP_INSN is a computed jump.
1371 * rtlanal.c (jmp_uses_reg_or_mem): New function.
1372 (computed_jump_p): Likewise.
1373 * rtl.h (computed_jump_p): Declare.
1374 * genattrtab.c (pc_rtx): Define and initialize.
1375 * loop.c (loop_optimize): Always determine if the current
1376 function has a computed jump.
1377 (indirect_jump_in_function_p): Use computed_jump_p to determine
1378 if a particular JUMP_INSN is a computed jump.
1380 * loop.c (fix_bct_param): Delete unused function.
1381 (check_bct_param): Likewise.
1383 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1385 * frame.c (__deregister_frame): Check properly for initialized object.
1387 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1389 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
1391 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1393 * jump.c (thread_jumps): check can_reverse_comparison_p before
1394 threading a reversed-condition jump.
1396 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
1397 * haifa-sched.c (update_flow_info): Likewise.
1399 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
1401 * Makefile.in (BOOT_CFLAGS): Use -O2.
1403 * configure.in (strtoul, bsearch): Have autoconf check for these
1405 * configure, config.in: Rebuilt.
1407 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
1408 * mips/mips.h (alloca): Likewise.
1409 * rs6000/xm-rs6000.h (alloca): Likewise.
1410 * rs6000/xm-sysv4.h: Likewise.
1412 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
1414 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
1415 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
1416 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
1418 * except.c (end_eh_unwinder): Subtract 1 from return address.
1419 * libgcc2.c (__throw): Likewise.
1420 (find_exception_handler): Don't change PC here. Compare end with >.
1422 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
1424 * v850.c (compute_register_save_size): Correct register
1426 * v850.md (save_interrupt, return_interrupt): Correct
1428 * v850/lib1funcs.asm (save_interrupt): Correct register number.
1429 (return_interrupt): Use stack pointer, not element pointer.
1431 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
1433 * configure.in, configure: Make sure to create the stage* and include
1434 symbolic links in each subdirectory.
1436 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
1438 * pa.md (reload_peepholes): Don't allow addresses with side
1439 effects for the memory operand.
1441 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
1443 * libgcc2.c (find_exception_handler): Subtract one from our PC when
1444 looking for a handler, to avoid hitting the beginning of the next
1447 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
1449 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
1451 * mips/abi64.h (LONG_MAX_SPEC): Define.
1452 * mips.h (LONG_MAX_SPEC): Define.
1453 (CPP_SPEC): Include long_max_spec.
1454 (EXTRA_SPECS): Include long_max_spec.
1456 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
1458 * v850.c (construct_save_jarl): Fix thinko in last change.
1460 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
1462 * version.c: Bump for snapshot.
1464 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
1466 * libgcc2.c (find_exception_handler): Not found is -1.
1468 * integrate.c (expand_inline_function): Move expand_start_bindings
1469 after expanding the arguments.
1471 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
1473 * expr.c (expand_expr): Remove previous incorrect change.
1474 If target and slot has no DECL_RTL, then call mark_addressable
1475 again for the slot after we give it RTL.
1477 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
1479 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1480 again for the slot after we give it RTL.
1482 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
1484 * v850.c (register_is_ok_for_epilogue,
1485 pattern_is_ok_for_epilogue, construct_restore_jr,
1486 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
1488 * v850.h (pattern_is_ok_for_prologue,
1489 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
1492 * v850.md: Replace prologue and epilogue patterns with a
1493 match_parallel pattern.
1495 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
1497 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
1498 * configure.in: Use EGCS_PROG_INSTALL.
1500 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
1502 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
1503 extern inline function.
1505 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
1507 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
1508 (concat_loc_descriptor): New function.
1509 (loc_descriptor): Call it.
1510 (add_AT_location_description): Also elide the descriptor if both
1511 halves of a CONCAT are pseudos.
1512 (add_location_or_const_value_attribute): Recognize CONCAT too.
1514 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
1516 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
1518 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
1519 out-or-range reg_offset.
1520 (output_epilog): Likewise.
1522 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
1524 * cse.c (simplify_relational_operation): If MODE specifies a
1525 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
1526 is derived from the sign bit of the low word.
1528 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1530 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
1532 * dwarf2.h: Add DW_CFA_GNU_args_size.
1533 * frame.c (execute_cfa_insn): Likewise.
1534 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
1535 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
1536 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
1537 insn, hand it off to dwarf2out_stack_adjust.
1538 (dwarf2out_begin_prologue): Initialize args_size.
1539 * frame.h (struct frame_state): Add args_size.
1540 * libgcc2.c (__throw): Use args_size.
1541 * final.c (final_scan_insn): If we push args, hand off all insns
1542 to dwarf2out_frame_debug.
1543 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
1545 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
1546 Handle epilogue restore of SP from FP.
1547 * emit-rtl.c (gen_sequence): Still generate a sequence if the
1548 lone insn has RTX_FRAME_RELATED_P set.
1550 * frame.c (extract_cie_info): Handle "e" augmentation.
1551 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
1552 absence of UNALIGNED_*_ASM_OP.
1553 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
1554 (output_call_frame_info): Use "e" instead of "z" for augmentation.
1555 Don't emit augmentation fields length.
1556 (dwarf2out_do_frame): Move outside of #ifdefs.
1557 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
1560 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
1561 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
1562 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
1563 * sparc/sun4gas.h: New file.
1564 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
1566 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
1567 __register_frame_table and __deregister_frame.
1569 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
1571 * except.c (find_exception_handler_labels): Use xmalloc instead of
1572 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
1575 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
1577 * Makefile.in: Various changes to build info files
1578 in the object tree rather than the source tree.
1580 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
1582 * fixinc.math: New file to fix math.h on some systems.
1583 * configure.in (freebsd, netbsd): Use fixinc.math on these
1585 * configure: Rebuilt.
1587 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
1589 * regmove.c (regmove_optimize): If we end up moving the
1590 original insn due to lifetime overlaps, make sure to move
1593 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
1595 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
1597 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
1599 * haifa-sched.c (add_branch_dependences): Make each insn in
1600 a SCHED_GROUP_P block explicitly depend on the previous insn.
1602 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1604 * except.h: Prototype dwarf2 hooks.
1607 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
1609 * configure.in (native_prefix): Delete.
1610 (mips-dec-netbsd): Don't set prefix.
1611 (*linux*): Don't set prefix.
1613 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
1615 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
1616 defined. If not defined, include <sys/varargs.h> if
1617 HAVE_SYS_VARARGS_H is defined.
1618 * configure.in: Test for varargs.h and sys/varargs.h.
1619 * configure: Regenerate with autoconf.
1620 * config.in: Regenerate with autoheader.
1622 * cpplib.c (quote_string): Cast first arg of sprintf call
1623 from "unsigned char *" to "char *".
1624 (output_line_command): Ditto.
1625 (macroexpand): Ditto.
1626 (do_line): Cast atoi arg from "unsigned char *" to "char *".
1628 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
1630 * version.c: Bump for snapshot.
1632 * Makefile.in (compare): Exit with nonzero status if there
1633 are comparison failures. Note which files failed the
1634 comparison test in .bad_compare.
1636 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1638 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
1640 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
1642 * Makefile.in (LN, LN_S): New macros, use where appropriate.
1643 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
1644 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
1645 * configure: Regenerated.
1647 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
1649 * loop.c (strength_reduce): Fix typo.
1651 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
1653 * m88k/m88k.c (struct option): Rename to struct options.
1654 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
1655 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
1656 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
1657 __DOLPHIN__ or sysV88.
1659 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
1661 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
1664 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
1666 * config.sub: Accept 'amigados' for backward compatability.
1668 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1670 * Makefile.in (testsuite/site.exp): New target.
1671 (check-gcc, check-g++): Depend on testsuite/site.exp.
1672 Don't stop for failure.
1674 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
1676 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
1677 if DWARF2_UNWIND_INFO.
1679 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
1681 Add support for exception handling using DWARF 2 frame unwind info.
1682 Currently works on SPARC and MIPS, and almost on x86.
1684 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
1685 next_stack_level, in_reg_window): Helper fns.
1686 (__throw): Implement for DWARF2_UNWIND_INFO.
1688 * expr.c (expand_builtin): Handle builtins used by __throw.
1689 * tree.h (enum built_in_function): Add builtins used by __throw.
1690 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
1691 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
1692 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
1693 (expand_builtin_extract_return_addr): Likewise.
1694 (expand_builtin_frob_return_addr): Likewise.
1695 (expand_builtin_set_return_addr_reg): Likewise.
1696 (expand_builtin_eh_stub): Likewise.
1697 (expand_builtin_set_eh_regs): Likewise.
1698 (eh_regs): Choose two call-clobbered registers for passing back values.
1700 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
1701 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
1702 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
1703 (stmp-multilib): Likewise.
1704 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
1706 * except.c: #include "defaults.h".
1707 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
1708 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
1709 (register_exception_table_p): New fn.
1710 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
1711 (end_eh_unwinder): Likewise.
1713 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
1714 call __register_frame and __deregister_frame as needed.
1715 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
1716 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
1717 EH_FRAME_SECTION_ASM_OP.
1718 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
1719 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
1720 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
1722 * dwarf2out.c (output_call_frame_info): If no support for
1723 EXCEPTION_SECTION, mark the start of the frame info with a
1725 * collect2.c (frame_tables): New list.
1726 (is_ctor_dtor): Recognise frame entries.
1727 (scan_prog_file): Likewise.
1728 (main): Pass -fno-exceptions to sub-compile. Also do collection
1729 if there are any frame entries.
1730 (write_c_file_stat): Call __register_frame_table and
1731 __deregister_frame as needed.
1732 (write_c_file_glob): Likewise.
1734 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
1735 Also require unaligned reloc support.
1736 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1737 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
1738 * sparc/sysv4.h: Not here.
1740 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
1741 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
1742 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
1744 * libgcc2.c (L_eh): Reorganize, moving code shared by different
1745 EH implementations to the top.
1746 (find_exception_handler): Split out. Start from 0. Compare against
1748 (__find_first_exception_table_match): Use it.
1749 * except.c (output_exception_table): Don't do anything if there's
1750 no table. Don't output a first entry of zeroes.
1751 (eh_outer_context): Adjust properly.
1752 (add_eh_table_entry): Use xrealloc.
1753 * toplev.c (compile_file): Just call output_exception_table.
1755 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
1757 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
1759 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
1761 * except.c (eh_outer_context): Do masking using expand_and.
1763 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
1765 Add port done awhile ago for the ARC cpu.
1766 * arc/arc.h: New file.
1767 * arc/arc.c: New file.
1768 * arc/arc.md: New file.
1769 * arc/initfini.c: New file.
1770 * arc/lib1funcs.asm: New file.
1771 * arc/t-arc: New file.
1772 * arc/xm-arc.h: New file.
1773 * ginclude/va-arc.h: New file.
1774 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
1775 * ginclude/varargs.h: Likewise.
1776 * Makefile.in (USER_H): Add va-arc.h.
1777 * configure.in (arc-*-elf*): Recognize.
1778 * longlong.h: Add ARC support.
1780 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
1782 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
1783 when clearing non-BLKmode data.
1785 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
1787 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
1788 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
1790 * xm-m88k.h (USG): Only define if it hasn't already been defined.
1792 * Makefile.in (risky-stage1): Delete gratutious whitespace.
1794 * Makefile.in (clean): Delete libgcc1-test.
1796 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
1798 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
1800 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
1803 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1805 * dwarf2out.c (output_call_frame_info): Call named_section.
1807 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
1809 * haifa-sched.c (print_value): Fix last change.
1811 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
1813 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
1816 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1818 * mips.c (function_prologue): Set up the CFA when ABI_32.
1820 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
1821 for dwarf2 unwind info.
1822 (output_function_prologue, sparc_flat_output_function_prologue): Same.
1824 * final.c (final_end_function): Check dwarf2out_do_frame instead
1825 of DWARF2_DEBUG for dwarf2 unwind info.
1826 (final_scan_insn): Likewise.
1827 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
1830 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
1833 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
1835 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
1837 * v850.h (ASM_SPEC): Pass on target processor.
1838 (CPP_PREDEFINES): Only define if not already specified.
1839 (TARGET_VERSION): Only define if not already specified.
1840 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
1842 (EXTRA_SWITCHES): Extra entries in the switches array.
1843 (TARGET_DEFAULT): Set default target processor.
1845 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
1847 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
1848 cases, add %# and %/, and add : to make them into extended asms.
1850 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
1852 * alias.c (init_alias_analysis): Clean up incompatible pointer
1853 type warning in bzero.
1854 * regmove.c (regmove_optimize): Ditto.
1855 * haifa-sched.c (find_rgns): Ditto.
1857 * haifa-sched.c (print_value): Clean up ptr->int cast
1860 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
1862 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
1863 * install.texi (Configurations): Ditto.
1864 * config.sub: Ditto.
1866 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
1868 * Makefile.in (sdbout.o): Depend on insn-config.h.
1870 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
1872 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
1873 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
1875 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
1877 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
1878 prologue insn, only the first elt is significant.
1879 (output_call_frame_info): For exception handling, always use 4-byte
1880 fields as specified by the dwarf2 spec.
1881 Don't skip trivial FDEs.
1883 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
1885 * version.c: Bump for snapshot.
1887 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
1889 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
1890 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
1893 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
1895 * final.c (shorten_branches): During first pass, assume worst
1896 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
1898 * Makefile.in (distclean): Remove various things left around
1899 by running the testsuite.
1901 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
1903 * configure.in (out_file): Emit definition to config.status in order
1904 to have a defined value for configure.lang.
1905 * configure: Re-built.
1907 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
1909 * configure.in: Make symlink to as-new rather than as.new. Similarly
1911 * configure: Rebuilt.
1913 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
1915 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
1917 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
1919 * sparc/sparc.md: Add ultrasparc scheduling support.
1920 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
1922 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1924 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
1925 as initial value for real_label_map.
1926 (copy_for_inline): Likewise.
1928 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1930 * sched.c (update_flow_info) When looking if to set found_split_dest
1931 or found_orig_dest, look at all parts of a PARALLEL.
1932 * haifa-sched.c (update_flow_info): Likewise.
1934 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
1936 * v850: New directory for v850 port.
1937 * v850/lib1funcs.asm: New file.
1938 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
1939 * ginclude/va-v850.h: New file.
1940 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
1941 * configure.in (mn10200-*-*): New target.
1942 * configure: Rebuilt.
1943 * config.sub: Handle v850-elf.
1944 * Makefile.in (USER_H): Add va-mn10200.h.
1945 * invoke.texi: Document v850 stuff.
1947 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
1949 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
1950 has integer TYPE_{MAX,MIN}_VALUE before using them.
1952 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
1953 __HPUX_ASM__ versions.
1955 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
1957 * install.sh: Delete duplicate install script.
1959 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
1961 * reg-stack.c (subst_stack_regs): Pop the stack register for a
1962 computed goto which sets the same stack register.
1964 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
1965 destination are both on the regstack.
1966 (subst_stack_regs_pat): Put the destination at the top of the regstack.
1968 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
1970 * mips.md (nonlocal_goto_receiver): Define.
1972 * profile.c (output_arc_profiler): Check next_insert_after for non
1973 NULL before deferencing it.
1975 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
1977 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
1979 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
1981 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
1983 * toplev.c (rest_of_compilation): For passes starting with
1984 flow_analysis, use print_rtl_with_bb instead of print_rtl.
1986 * print-rtl.c (print_rtl_single): Print a single rtl value to a
1989 * flow.c (print_rtl_with_bb): Print which insns start and end
1990 basic blocks. For the start of a basic block, also print the live
1993 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
1995 * toplev.c (main): Change #elif to #else/#ifdef
1997 * tlink.c: Include ctype.h.
1998 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
2000 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
2002 * bitmap.c: Conditionally include stdlib.h.
2003 (free): Provide a declaration if NEED_DECLARATION_FREE.
2005 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
2007 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
2009 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
2011 * profile.c (output_arc_profiler): Verify next_insert_after is an
2012 INSN before and after skipping a stack pop.
2014 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2016 * final.c (shorten_branches): Don't count the lengths of deleted
2019 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
2021 * version.c: Bump for snapshot.
2023 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
2025 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
2026 two bitmaps ANDed together.
2027 (bitmap_print): Declare.
2029 * bitmap.c (function_obstack): Don't declare any more.
2030 (bitmap_obstack): Obstack for allocating links from.
2031 (bitmap_obstack_init): New static to say whether to initialize
2033 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
2034 (bitmap_release_memory): Free all memory allocated from
2037 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
2038 EXECUTE_IF_AND_IN_BITMAP.
2040 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
2042 * alias.c (true_dependence): Address with AND can alias scalars.
2043 (anti_dependence, output_dependence): Likewise.
2045 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
2047 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
2049 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
2050 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
2051 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
2052 definitions. Use -qrtems instead of -mrtems.
2054 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
2056 * xm-sco5.h (sys_siglist): Define.
2057 (SYS_SIGLIST_DECLARED): Likewise.
2059 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
2061 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
2063 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
2065 * except.c (eh_outer_context): Expand masking operation using
2068 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
2070 * alpha.md (floatdisf2-1): New pattern.
2072 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
2074 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
2075 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
2076 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
2077 * gcc.texi: Note that if you define sys_siglist that you should
2078 also define SYS_SIGLIST_DECLARED.
2080 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
2081 are relative to the next instruction, not the current instruction.
2083 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
2085 * local-alloc.c (contains_replace_regs): New function.
2086 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
2087 verify that there is no existing REG_EQUIV note, and add a call to
2088 contains_place_regs.
2090 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2092 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
2093 (STARTFILE_SPEC): Always use crtbegin.o%s
2094 (ENDFILE_SPEC): Always use crtend.o%s.
2096 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
2098 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
2100 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
2101 SFmode for 64 bit hosts.
2103 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
2105 * fixincludes: Permits spaces between # and define. Discard C++
2106 comments in sys/pci.h on HP/UX 10.20.
2108 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
2110 * version.c: Bump for snapshot.
2112 * pa.c (restore_unscaled_index_insn_codes): New function.
2113 (record_unscaled_index_insn_codes): Likewise.
2114 (output_function_prologue): Call restore_unscaled_index_insn_codes.
2115 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
2116 (pa_reorg): Call record_unscaled_index_insn_codes.
2118 * haifa-sched.c (move_insn): Handle notes correctly for insns
2119 with SCHED_GROUP_P set.
2121 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2123 * alpha/xm-linux.h (USE_BFD): Undef before define.
2125 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
2127 * cse.c (cse_insn): Don't record BLKmode values.
2129 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
2131 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
2133 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
2135 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
2136 * collect2.c (sys_errlist): Likewise.
2137 * cpplib.c (sys_errlist): Likewise.
2138 * gcc.c (sys_errlist): Likewise.
2139 * protoize (sys_errlist): Likewise.
2140 * configure.in: Check for strerror.
2141 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
2142 * xm-gnu.h (HAVE_STRERROR): Likewise.
2143 * xm-linux.h (HAVE_STRERROR): Likewise.
2144 * xm-netbsd.h (HAVE_STRERROR): Likewise.
2145 * xm-bsd386.h (HAVE_STRERROR): Likewise.
2146 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
2147 * xm-dos.h (HAVE_STRERROR): Likewise.
2148 * xm-mingw32.h (HAVE_STRERROR): Likewise.
2149 * xm-pa.h (HAVE_STRERROR): Likewise.
2150 * xm-papro.h (HAVE_STRERROR): Likewise.
2151 * xm-sysv4.h (HAVE_STRERROR): Likewise.
2152 * configure, config.in: Rebuilt.
2154 * Makefile.in: Add several missing "else true" clauses.
2156 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
2157 * mips-tfile.c: Likewise.
2158 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
2159 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
2160 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
2161 * configure.in: Check for sys_siglist declaration.
2162 * configure, config.in: Rebuilt.
2164 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
2166 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
2167 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
2168 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
2169 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
2170 * rs6000/sysv4.h (extra_subtarget_switches): Added new
2171 macro EXTRA_SUBTARGET_SWITCHES.
2172 * configure.in (sh*-*-rtems*): New target.
2173 * sh/rtems.h: New file.
2174 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
2175 * configure: Rebuilt.
2177 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
2179 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
2181 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
2183 * rs6000.md: Make DF fused-add operations pay attention to
2186 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
2188 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
2190 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
2192 * pa.md (reload_peepholes): Make sure operand is a REG before
2193 examining REGNO. Allow general registers too.
2195 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
2197 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
2199 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
2201 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
2202 to reallocate abbrev_die_table.
2204 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
2206 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
2208 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2210 * Makefile.in (config.status): Depend on version.c
2212 * expr.h (insn_gen_function): Reenable prototype.
2214 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
2217 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
2219 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
2221 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
2223 * version.c: Bump for latest snapshot.
2225 * bc-optab.c: Conditionally include stdlib.h.
2226 (free): Provide a declaration if NEED_DECLARATION_FREE.
2227 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
2228 * rtl.h (free): Remove declaration.
2229 * tree.h (free): Remvoe declaration.
2231 * configure: Rebuilt.
2233 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
2235 * flags.h (flag_move_all_movables): Declare.
2236 (flag_reduce_all_givs): Likewise.
2237 * loop.c (move_movables): Handle flag_move_all_movables.
2238 (strength_reduce): Handle flag_reduce_all_givs.
2239 * toplev.c (flag_move_all_movables): Define.
2240 (flag_reduce_all_givs): Likewise.
2241 (f_options): Add -fmove-all-movables and -freduce-all-givs.
2242 * invoke.texi: Document new options, including alias stuff that
2243 wasn't included last time.
2245 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
2247 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
2250 * t-vxworks68: Ditto.
2251 * t-vxworks960: Ditto.
2254 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
2256 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
2257 if not already defined, and USE_C_ALLOCA not defined.
2259 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
2261 * config.guess: Replace with script that uses ../config.guess.
2263 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
2264 if USE_GNULIBC_1 is not defined.
2266 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
2268 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
2269 * config.guess: Recognize alpha-linux-gnulibc1.
2270 * configure.in (alpha-*-linux-gnulibc1): New target.
2271 (alpha-*-linux-gnu*): Don't build crtbegin/end.
2273 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
2275 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
2278 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
2280 * loop.c (combine_movables): Earlier insns don't match later ones.
2282 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2284 * config/linux.h (CC1_SPEC): Define it only if not defined.
2286 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
2289 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
2290 USE_GNULIBC_1 is not defined.
2292 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
2294 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
2295 as 1 if USE_GNULIBC_1 is not defined.
2297 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
2299 * reorg.c (dbr_schedule): Allow current_function_return_rtx
2300 to be something other than a REG.
2301 * function.c (expand_function_end): Fix current_function_return_rtx
2304 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
2305 * x-netbsd: Likewise
2306 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
2307 (INSTALL_HEADERS): Delete.
2308 * x-dguxbcs: Likewise.
2309 * x-hp3bsd44: Likewise
2312 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2314 * i386.md (pop): pop increments the stack pointer.
2315 (prologue_set_stack_ptr): New pattern.
2316 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
2319 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
2321 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
2322 address where an offsettable address is required.
2324 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
2326 * loop.c (check_final_value): Don't miss a biv increment in a
2329 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
2331 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
2332 TYPE_DECL_IS_STUB instead of DECL_NAME.
2334 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2336 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
2338 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
2340 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
2342 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
2344 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
2345 (find_post_sched_live): Likewise.
2347 * haifa-sched.c (schedule_block): Remove old code to get arguments
2348 from hard regs into pseudos early.
2350 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
2352 * version.c: Bump for new snapshot.
2354 * local-alloc.c (update_equiv_regs): All the target to reject
2355 promotion of some REG_EQUAL to REG_EQUIV notes.
2356 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
2358 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
2361 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
2362 store of the argument registers.
2364 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
2366 * fold-const.c (multiple_of_p): New function.
2367 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
2369 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
2371 * expr.h (insn_gen_function): Temporarily remove prototype.
2373 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
2375 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
2376 filenames. Use sed to extract base filename for install.
2378 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
2380 * unroll.c (find_splittable_givs): Only share if two givs have the
2381 same add and multiply values.
2383 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
2385 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
2386 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
2388 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
2390 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
2391 around branch tables.
2392 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
2393 and .end_brtab directives if TARGET_GAS.
2395 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
2397 * alias.c (true_dependence): Pass x_addr not x to varies.
2399 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
2400 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
2401 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
2403 * config.in, configure: Regenerate.
2405 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
2407 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
2409 (record_set): Handle LO_SUM like PLUS.
2410 (init_alias_analysis): When following chains of base addresses,
2411 do not stop on reaching a hard register.
2413 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
2415 * version.c: Bump for new snapshot.
2417 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
2419 * alpha.h (ARCH_ASM_FILE_START): Define.
2420 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
2421 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
2423 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
2425 * Makefile.in (install-common): Put gcov comment at start of line.
2427 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
2429 * alias.c (init_alias_analysis): When simplifying the reg_base_value
2430 array, simplify entries for hard registers too.
2432 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
2434 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
2437 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
2439 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
2440 block_stack before dereferencing it.
2442 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
2444 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
2446 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2448 * cplus-dem.c: Add 'extern' to prepends_underscore.
2450 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
2452 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
2453 (get_issue_rate): Delete.
2454 * pa.h (ISSUE_RATE): Define.
2456 * configure.in: Turn on haifa by default for the PA.
2457 * configure: Rebuilt.
2458 * pa.c (override_options): Accept -mschedule=7200 option.
2459 (pa_adjust_cost): No longer need to scale costs for newer
2461 * pa.h (enum processor_type): Add PROCESSOR_7200.
2462 * pa.md: Revamp scheduling parameters to work better with
2463 haifa. Add scheduling parameters for the 7200.
2465 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
2467 (schedule_block): When adjusting basic_block_{head,end}, account
2468 for movement of SCHED_GROUP_P insns too.
2470 * haifa-sched.c (debug_dependencies): Fix thinko.
2472 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
2473 (site.exp, check, check-g++, check-gcc): New targets.
2475 * haifa-sched.c: Make lots of variables static.
2477 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2479 * expr.h, real.h: Finish prototyping.
2481 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
2483 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
2484 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
2485 * reload1.c: Undo bugfix from Aug 11.
2487 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
2489 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
2490 quotes around the name.
2491 * configure: Regenerate.
2493 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
2495 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
2497 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
2499 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
2500 to sub-makes to avoid building more passes than the user might have
2501 requested on the command line.
2503 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
2505 * configure.in: Expurgate `broken_install' (install is
2508 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
2511 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
2513 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
2514 functions and declarations.
2515 (analyze_loop_iterations): Use condjump_p.
2516 (insert_bct): Likewise. Use exact_log2.
2518 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
2520 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
2521 (schedule_region): Likewise.
2522 (schedule_insns): Likewise.
2524 * PROJECTS: Update with Haifa stuff.
2526 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
2528 * version.c: Change the version string to look like:
2529 egcs-2.90.00 970814 (gcc2-970802 experimental).
2531 * loop.c (is_conditional_branch): Make definition match declaration.
2533 * gcc.c: Take out experimental snapshot warning message.
2535 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
2537 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
2538 print out the names of the notes. Print out the name of the insn
2539 that is not a note, and not an {,CALL_,JUMP_}INSN.
2541 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2543 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
2544 again for the slot after we give it RTL.
2546 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
2548 * configure.in (haifa configury): Fix typo.
2549 * configure: Regenerate.
2551 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
2553 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
2555 * gcc.info*: Rebuilt.
2557 * COPYING.g77, README.g77: New files.
2558 * real.c (ereal_unto_float, ereal_unto_double): New functions.
2559 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
2560 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
2562 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
2564 * Integrate Haifa instruction scheduler.
2565 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
2566 to sched with $(SCHED_CFLAGS.
2567 * configure.in: Handle --enable-haifa.
2568 * configure: Rebuilt.
2569 * flags.h: Add new flags for haifa instruction scheduler.
2570 * genattrtab.c (expand_units): For haifa, don't subtract one
2571 when computing blockage.
2572 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
2573 (flag_schedule_speculative): Ditto.
2574 (flag_schedule_speculative_load): Ditto.
2575 (flag_schedule_speculative_load_dangerous): Ditto.
2576 (flag_schedule_reverse_before_reload): Ditto.
2577 (flag_schedule_reverse_after_reload): Ditto.
2578 (flag_branch_on_count_reg): Ditto.
2579 (f_options): Add Haifa switches.
2580 (main): Turn off some Haifa options if appropriate macro is
2581 defined. Process Haifa switches.
2582 * unroll.c (iteration_info): No longer static, since Haifa
2584 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
2585 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
2586 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
2587 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
2588 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
2589 storage for the Haifa scheduler.
2590 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
2592 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
2593 are defined, call analyze_loop_iterations and insert_bct to use
2595 (record_giv): Refine test for jumps out of loops if HAIFA is
2597 (analyze_loop_iterations): New function to identify if we can use
2599 (insert_bct): Insert countdown loop.
2600 (instrument_loop_bct): Low level code to insert countdown loop.
2601 (loop_number): Calculate UID of loop.
2602 (indirect_jump_in_function_p): Return true if an indirect jump is
2604 (is_power_of_2): Return true if value is a power of 2.
2605 (is_conditional_branch): Return true if insn is a conditional
2607 (fix_bct_param): Process -fbct-{min,max}-N switches.
2608 (check_bct_param): Return true if loop should be instrumented.
2609 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
2610 (loop_optimize): Initialize.
2611 (get_condition_for_loop): Ditto.
2612 * loop.c (strength_reduce): Inside of code that uses #ifdef
2613 HAVE_decrement_and_branch_on_count code, test it to make sure the
2615 (instrument_loop_bct): Ditto.
2616 * haifa-sched.c: New file.
2619 * Integrate regmove pass.
2620 * Makefile.in (OBJS): Add regmove.o
2621 (regmove.o): Add dependencies.
2622 * flow.c (find_use_as_address): No longer static.
2623 * rtl.h (find_use_as_address): Declare.
2624 * toplev.c (regmove_dump, flag_regmove): Define.
2625 (f_options): Add -fregmove.
2626 (regmove_dump_file, regmove_time): Define.
2627 (fatal_insn): Close the regmove dump file.
2628 (compile_file): Initialize regmove_time; open/close the regmove dump
2629 file as needed. Print regmove time as needed.
2630 (rest_of_compilation): Run regmove pass if requested, dump
2631 RTL after regmove if requested.
2632 (main): If -O2 or more, turn on regmove. Handle dump switches.
2633 * regmove.c: New file.
2635 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
2637 * Integrate tlink patch from jason@cygnus.com
2638 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
2639 (process_command): Increment n_switches for them. Don't discard
2640 their args. Validate them.
2641 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
2643 (process_command): Set include_prefixes from COMPILER_PATH.
2644 (main): Set COLLECT_GCC_OPTIONS sooner.
2645 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
2646 * tlink.c, hash.c, hash.h: New files.
2647 * Makefile.in (USE_COLLECT2): Always use collect2.
2648 (collect2): Depend on and link in hash.o and tlink.o.
2649 (tlink.o, hash.o): Add dependencies.
2651 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
2653 * Integrate alias analysis changes from jfc@mit.edu
2654 * Makefile.in (OBJS): Add alias.o
2655 (alias.o): Add dependencies.
2656 * alias.c: New file.
2657 * sched.c: Remove alias analysis code. It lives in alias.c now.
2658 (sched_analyze_2): Add new arguments to true_dependence.
2659 (schedule_insns): Always call init_alias_analysis.
2660 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
2661 mark return value from such functions as a pointer and keep track of
2662 them for alias analysis. If a return value from a function is a
2663 pointer, mark it as such.
2664 * combine.c (distribute_notes): Handle REG_NOALIAS.
2665 * cse.c (struct write_data): Delete. No longer needed.
2666 (invalidate): Don't call set_nonvarying_address_components anymore.
2667 Use true_dependence to decide if an entry should be removed from
2669 (invalidate_memory): Remove WRITES argument, simplify appropriately.
2671 (note_mem_written): Similarly for WRITE_PTR argument.
2672 (invalidate_from_clobbers): Similarly for W argument.
2673 (invalidate_for_call): Remove memory elements from the hash table.
2674 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
2675 (cse_rtx_varies_p): New function. Derived from old
2676 cse_rtx_addr_varies_p.
2677 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
2678 Don't call note_mem_written anymore. Stack pushes invalidate the stack
2679 pointer if PUSH_ROUNDING is defined. No longer need to call
2680 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
2681 (skipped_writes_memory): Remove variable.
2682 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
2683 (invalidate_skipped_block): Simplify for new alias analysis code.
2684 (cse_set_around_loop): Likewise.
2685 (cse_main): Call init_alias_analysis.
2686 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
2687 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
2688 (f_options): Add new alias checking arguments.
2689 (main): Set flag_alias_check when optimizing.
2690 * local_alloc (validate_equiv_mem_from_store): Add new arguments
2692 (memref_referenced_p): Likewise.
2693 * loop.c (NUM_STORES): Increase to 30.
2694 (prescan_loop): Only non-constant calls set unknown_address_altered.
2695 (invariant_p): Add new arguments to true_dependence.
2696 (record_giv): Initialize unrolled and shared fields.
2697 (emit_iv_add_mult): Call record_base_value as needed.
2698 * loop.h (struct induction): Add unrolled and shared fields.
2699 * unroll.c (unroll_loop): Call record_base_value as needed.
2700 (copy_loop_body): Likewise.
2701 (final_biv_value): Likewise.
2702 (final_giv_value): Likewise.
2703 (find_splittable_regs): Likewise. Only create one new pseudo
2704 if we have multiple address GIVs that were combined with the same
2705 dst_reg GIV. Note when a new register is created due to unrolling.
2706 * rtl.c (reg_note_name): Add REG_NOALIAS.
2707 * rtl.h (enum reg_note): Similarly.
2708 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
2709 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
2710 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
2711 (true_dependence, read_dependence, anti_dependence): Likewise.
2712 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
2713 (mark_user_reg, mark_reg_pointer): Likewise.
2716 * Integrate reload bugfix from Wilon which enables the PA port
2718 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
2719 OPERAND_ADDRESS when computing how many registers an insn needs.
2720 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
2722 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
2724 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
2725 in reload_reg_use_in_op_addr do not reach the end.
2726 do not reach the end.
2727 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
2728 RELOAD_FOR_OPERAND_ADDRESS.
2730 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
2732 * egcs project officially starts.
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