1 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
3 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
4 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
6 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
8 * recog.c (pop_operand): New function.
9 * recog.h (pop_operand): Declare it.
10 * genrecog.c (preds): Define it.
12 * expr.c (do_jump_for_compare): Handle conditional branch expanders
13 emitting multiple jump instructions.
14 * jump.c (condjump_label): New function.
15 * rtl.h (condjump_label): Declare it.
17 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
19 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
20 clobber during or after reload.
22 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
24 * genoutput.c (name_for_index): New function.
25 (scan_operands, validate_insn_alternatives): Use it.
26 * genrecog.c (insn_name_ptr_size): New variable.
27 (make_insn_sequence): Fill in insn_name_ptr.
28 (merge_trees): Use it.
30 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
32 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
33 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
34 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
36 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
38 * loop.c (NUM_STORES): Delete.
39 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
40 (prescan_loop): Properly initialize loop_mems_idx.
41 (note_addr_stored): Simplify using list structure instead of
43 (invariant_p, check_dbra_loop, load_mems): Similarly.
45 * flow.c (invalidate_from_autoinc): New function.
46 (mark_set_1, mark_used_regs): Use it.
48 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
50 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
52 * invoke.texi (-mlong-double-64): New option description.
54 1999-01-19 Jim Wilson <wilson@cygnus.com>
56 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
57 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
58 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
60 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
61 (CPP_SPECS): Add -mlong-double-64 support.
62 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
63 (TARGET_SWITCHES): Add -mlong-double-64 support.
64 (LONG_DOUBLE_TYPE_SIZE): Likewise.
65 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
66 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
67 (CPP_SPECS): Add -mlong-double-64 support.
68 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
69 (MULTILIB_DIRNAMES): Add ld64.
70 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
72 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
74 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
77 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@mhpcc.edu>
79 * rs6000.c (offsettable_addr_operand): Delete.
80 (offsettable_mem_operand): New function.
81 * rs6000.h (PREDICATE_CODES): Reflect function change.
82 (RS6000_SAVE_TOC): Represent address as MEM.
83 * win-nt.h (RS6000_SAVE_TOC): Same.
84 * rs6000.md (indirect calls): Change offsettable address parameter
85 to offsettable memory parameter.
87 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
89 * rtl.h (rtx_def): Update documentation.
90 (MEM_IN_STRUCT_P): Likewise.
91 (MEM_SCALAR_P): New macro.
92 (MEM_COPY_ATTRIBUTES): Likewise.
93 (MEM_SET_IN_STRUCT_P): Likewise.
94 * rtl.texi (MEM_SCALAR_P): Document.
95 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
96 (fixed_scalar_and_varying_struct_p): New function. Use
97 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
98 (aliases_everything_p): Likewise.
99 (true_dependence): Use them.
100 (write_dependence_p): New function, containing code common to
101 anti_dependence and output_dependence.
102 (anti_dependence): Use it.
103 (output_dependence): Likewise.
104 * calls.c (save_fixed_argument_area): Don't clear
106 (expand_call): Use MEM_SET_IN_STRUCT_P.
107 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
108 (emit_library_call_value): Likewise.
109 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
110 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
111 (make_extraction): Likewise.
112 (simplify_shift_const): Likewise.
113 (gen_lowpart_for_combine): Likewise.
114 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
115 * emit-rtl.c (operand_subword): Likewise.
116 (change_address): Likewise.
117 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
118 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
119 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
120 (copy_blkmode_from_reg): Likewise.
121 (store_field): Likewise.
122 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
123 heuristically. Use MEM_SET_IN_STRUCT_P.
124 (get_memory_rtx): Likewise.
125 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
126 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
127 MEM_ALIAS_SET on newly returned MEMs.
128 (assign_temp): Use MEM_SET_IN_STRUCT_P.
129 (put_reg_into_stack): Likewise.
130 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
131 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
132 (assign_parms): Likewise.
133 (expand_function): Likewise.
134 * integrate.c (expand_inline_function): Likewise.
135 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
136 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
137 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
138 * print-rtl.c (print_rtx): Print /f for frame_related.
139 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
140 * reload1.c (reload): Copy MEM_SCALAR_P as well.
141 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
142 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
143 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
144 (output_constant_def): Likewise.
145 * a29k.c (a29k_set_memflags_1): Take scalar_p.
147 (a29k_set_memflags): Use it.
148 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
149 * c4x.c (c4x_scan_for_ld): Likewise.
150 * h8300.c (fix_bit_operand): Likewise.
151 * m88k.c (legitimize_address): Likewise.
152 (block_move_loop): Likewise.
153 (block_move_no_loop): Likewise.
154 (block_move_sequence): Likewise.
155 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
156 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
157 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
158 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
159 * arm.h (arm_gen_load_multiple): Take scalar_p.
160 (arm_store_load_multiple): Likewise.
161 * arm.c (arm_gen_load_multiple): Likewise.
162 (arm_gen_store_multiple): Likewise.
163 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
165 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
167 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
168 calls within a libcall block to indicate no throws are possible.
169 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
170 libcall blocks. Don't add edges to exception handlers if we see
171 a REG_EH_REGION note with a value of 0.
172 (make_edges): Override active_eh_region vector if the call has a note
173 indicating the call does not throw.
175 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
177 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
179 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
181 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
183 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
185 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
187 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
189 * invoke.texi (-mcpu=740, -mcpu=750): New options.
190 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
193 1999-01-18 Michael Meissner <meissner@cygnus.com>
195 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
196 supported with -mcpu=xxx.
197 (processor_type): Add PROCESSOR_PPC750.
198 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
199 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
200 (rs6000_adjust_priority): Add declaration.
202 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
203 processor type as 750, not 603. Allow -mmultiple and -mstring on
204 little endian 750 systems.
205 (rs6000_adjust_priority): Stub for now.
206 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
208 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
210 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
212 (CC1_SPEC): Pass -mstrict-align if little endian, and not
214 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
215 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
217 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
220 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
222 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
224 * config/mips/mips.md (div_trap): Split div_trap_mips16
226 (div_trap_normal,div_trap_mips16): Correct the length attributes.
228 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
230 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
231 Instead of writing to const char *buf directly, use a non-const
232 variable `wbuf' to allocate and write a string, then set buf = wbuf.
234 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
237 * dyn-string.c (dyn_string_append): Likewise.
239 * dyn-string.h (dyn_string_append): Likewise.
241 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
243 * output.h (end_final, output_operand_lossage, asm_fprintf,
244 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
247 * profile.c (init_branch_prob): Likewise.
249 * toplev.c (set_target_switch, vmessage,
250 v_message_with_file_and_line, v_message_with_decl,
251 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
252 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
253 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
254 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
255 open_dump_file, dump_rtl, clean_dump_file,
256 print_version, print_single_switch, print_switch_values,
257 dump_base_name, debug_args, lang_independent_options,
258 user_label_prefix, documented_lang_options, target_switches,
259 target_options, print_time, pfatal_with_name, fatal_io_error,
260 fatal_insn, default_print_error_function, print_error_function,
261 report_error_function, error_with_file_and_line, error_with_decl,
262 error_for_asm, error, fatal, warning_with_file_and_line,
263 warning_with_decl, warning_for_asm, warning, pedwarn,
264 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
265 really_sorry, botch, output_quoted_string, output_file_directive,
266 open_dump_file, rest_of_decl_compilation, display_help, main):
269 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
270 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
271 warning_with_file_and_line, error_with_file_and_line, sorry,
272 really_sorry, default_print_error_function, report_error_function,
273 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
274 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
275 output_file_directive, botch): Likewise.
277 * tree.h (make_decl_rtl): Likewise.
279 * varasm.c (strip_reg_name, named_section, decode_reg_name,
280 make_decl_rtl): Likewise.
282 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
284 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
285 directory logically rather than physically.
287 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
289 * loop.c (insert_bct): Hide the definition of variables
290 `increment_direction', `compare_direction', `add_iteration' and
293 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
294 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
295 (mode_independent_operand): Mark label `lose' with
296 ATTRIBUTE_UNUSED_LABEL.
298 * regclass.c (n_occurrences): Remove prototype and definition.
300 * reload.c (find_reloads_address_1): Mark variable `tem' with
303 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
305 * sbitmap.c (sbitmap_copy): Likewise.
307 * scan-decls.c (scan_decls): Hide label `handle_comma'.
309 * toplev.c (output_lang_identify): Mark prototype with
312 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
313 (make_tree_vec): Likewise.
316 * varasm.c (assemble_static_space): Mark variable `tem' with
319 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
321 * Makefile.in (GCOV_INSTALL_NAME): New macro.
322 (install-common): Use it.
324 (uninstall): Use correct names for protoize and unprotoize.
326 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
327 Jeffrey A Law (law@cygnus.com)
329 * flow.c (last_mem_set): Delete variable. References removed.
330 (mem_set_list): New variable.
331 (life_analysis): Initialize and finalize alias analysis.
332 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
333 (insn_dead_p): For a store to memory, search the entire mem_set_list
335 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
336 changes to their addresses. Add new entries to the mem_set_list for
337 memory writes writes.
338 (mark_used_regs): Kill entries on the mem_set_list which may be
339 referenced by a load operation.
341 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
343 * alias.c (base_alias_check): Add missing return for differing
346 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
348 * mips-tdump.c (print_file_desc): Handle unknown filenames and
349 missing local symbols.
351 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
353 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
355 * system.h (bcopy): Implement with memmove not memcpy.
357 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
359 * Makefile.in (cppulp.o): Add dependencies.
361 * i386.md (integer conditional moves): Add missing earlyclobbers.
363 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
364 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
365 where a register is live.
367 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
369 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
370 of a FP conditional move is not on the FP register stack.
372 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
374 * version.c: Bump for snapshot.
376 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
378 * reload1.c (reload_cse_regs_1): Do not call
379 reload_cse_simplify_operands for an insn with asm operands.
381 * cccp.c (print_help): Fix typos.
382 * cpplib.c (print_help): Fix typos.
383 * toplev.c (f_optiosn): Fix typos.
384 (documented_lang_options): Fix typos.
386 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
388 * gcc.c: (do_spec_1): Fix obvious typo.
390 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
392 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
393 a non-static function declaration follows a static one.
395 * invoke.texi (-Wtraditional): Document the extra check now done
398 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
400 * pa.md (shadd): Create shadd insns, even if the result of the shift is
401 needed without the addition.
403 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
405 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
407 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
409 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
411 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@mhpcc.edu>
413 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
414 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
415 non_add_cint_operand, non_logical_cint_operand): Likewise.
416 (get_issue_rate): Add CPU_PPC604E case.
417 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
419 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
421 * expr.c (queued_subexp_p): Make public.
422 * expr.h (queued_subexp_p): Declare it.
423 * recog.c (asm_operand_ok): New function.
424 (check_asm_operands): Use it. After reload, use constrain_operands
426 * recog.h (asm_operand_ok): Declare it.
427 * stmt.c (expand_asm_operands): Use it to try harder to make
428 asms initially satisfy their constraints.
430 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
432 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
433 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
435 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
437 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
438 in delay slot of RPTBD.
440 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
442 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
443 divide and modulo sign problem.
445 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
447 * unroll.c (loop_iterations): Return 0 if the last loop insn
448 is not a jump insn or if the loop has multiple back edges.
450 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
452 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
453 a register with another DEST_ADDR giv if the address is not valid.
455 * pa.c (hppa_expand_epilogue): Save and restore the static chain
456 around the call to mcount.
458 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
460 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
461 generating non-canonical rtl.
463 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
465 * config/i960/i960.c (i960_output_move_double_zero,
466 i960_output_move_quad_zero): New functions for moving zeros.
467 (i960_output_move_double, i960_output_move_quad): Additional code
468 for situation when moving unaligned register group.
470 * config/i960/i960.h (i960_output_move_double_zero,
471 i960_output_move_quad_zero): The function definitions.
473 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
475 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
477 * config/i960/i960.c (i960_function_prologue): New code (optimal
478 solution) for saving global registers in local registers.
479 (form_reg_groups, reg_group_compare, split_reg_group): New
480 functions used by the code.
481 (reg_group): New structure definition for the new code.
483 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
485 * integrate.c (expand_inline_function): Recognize (mem (addressof))
486 and substitute. Copy the return value from there into a new pseudo.
488 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
490 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
491 before generating a call to abort for volatile functions.
492 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
493 (TARGET_ABORT_NORETURN): Define.
494 (abort-on-noreturn): New option.
496 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
498 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
499 and binarycc operations in 3rd annulled delay slot!
501 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
503 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
504 before generating a call to abort for volatile functions.
505 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
506 (TARGET_ABORT_NORETURN): Define.
507 (abort-on-noreturn): New option.
509 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
511 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
512 Remove prototype which we get from libiberty.h.
514 * collect2.c (xstrdup): Likewise.
516 * genextract.c (xstrdup): Likewise for `copystr'.
517 (mybzero): Remove it and use `memset' instead.
519 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
520 to use `memcpy' and `memset' instead.
522 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
523 changed. Remove prototype.
524 (mybcopy, mybzero): Remove these and use memcpy/memset.
526 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
528 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
529 generating code for TARGET_64BIT.
531 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@mhpcc.edu>
533 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
534 HOST_WIDE_INT word-size.
535 (rs6000_stack_info): Remove redundant alignment of fpmem.
537 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
539 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
540 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
541 (input_operand): Adjust CONSTANT_P_RTX handling.
542 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
543 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
544 (movhi, movqi): Remove CONSANT_P_RTX handling.
545 (movdi): Adjust CONSTANT_P_RTX handling.
547 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
549 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
551 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
553 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
554 ensure all prototypes necessary for building libio will be available.
555 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
556 definitions here as they are not host specific.
557 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
559 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
561 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
563 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
565 * version.c: Bump for snapshot.
567 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
569 * rtl.c (rtx_alloc): Use memset instead of inline loop.
571 * recog.h (recog_op_alt): Declare extern.
573 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
575 * function.c (purge_addressof_1): If the note accesses a mem+addressof
576 in a wider mode than any replacement, adjust the cached replacement.
577 Cache trivial substitutions as well.
579 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
581 * Makefile.in (OBJECTS): Add sbitmap.o.
582 (BASIC_BLOCK_H): Add sbitmap.h.
583 * basic-block.h: Move simple bitmap code to sbitmap.h.
584 * flow.c: Move simple bitmap code to sbitmap.c
585 * sbitmap.h, sbitmap.c: New files.
587 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
589 * alpha.h (TARGET_SWITCHES): Document switches.
590 (TARGET_OPTIONS): Likewise.
592 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
594 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
596 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
598 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
600 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
601 (basic_block_end): Rename to x_basic_block_end.
602 (BLOCK_HEAD, BLOCK_END): Update.
604 * caller-save.c: Change basic_block_head/end references to
606 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
607 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
608 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
610 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
612 * gcc.c (xstrerror): Renamed from my_strerror. All callers
613 changed. Remove prototype since we get that from libiberty.h.
615 * protoize.c (xstrerror): Likewise.
617 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
619 * gcc.c (read_specs): Ensure format specifiers match their arguments.
621 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
623 * tree.c (copy_node): Oops. That would be copy not zero
626 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
628 * config/c4x/c4x.c: Include system.h.
629 (c4x_caller_save_map): Disable caller save for RC.
630 (c4x_optimization_options): Disable scheduling before reload.
631 (valid_parallel_load_store) : Define return type as int.
632 Remove unused variable regs.
633 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
635 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
637 (*db, decrement_and_branch_until_zero): Fix up constraints
638 to keep reload happy.
640 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
642 * tree.c (make_node): Call bzero instead of inline clear.
643 (copy_node, make_tree_vec, build1): Likewise.
644 (get_identifier): Call strlen instead of inline count.
645 (maybe_get_identifier): Likewise.
647 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
649 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
650 operations in 3rd annulled delay slot.
651 (*lshrqi3_const_set): Disallow c constraint for operand0.
652 (modhi3+1, modhi3+2): Set attribute type to multi.
653 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
656 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
658 * gansidecl.h: Allow attribute unused on labels only when we are
659 version 2.93 or higher. Not all versions of 2.92 have this feature.
661 * version.c: Bump minor number to 93.
663 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
665 * config/m68k/m68k.h: Declare output_function_epilogue.
666 * recog.h: Declare next_insn_tests_no_inequality.
668 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
670 * stmt.c (optimize_tail_recursion): New function, extracted from ...
671 (expand_return): Use optimize_tail_recursion.
672 * tree.h (optimize_tail_recursion): Declare.
674 * toplev.c (compile_file): Move call to output_func_start_profiler
675 to after the loop to emit deferred functions.
677 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
679 * system.h (abort): Supply more detailed information on how to
680 report an Internal Compiler Error.
682 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
684 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
685 allocate memory that will live beyond this function.
686 (expand_call): Free it here.
688 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
690 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
691 integer data not destined for fp regs.
692 (LEGITIMIZE_RELOAD_ADDRESS): New.
694 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
695 Richard Henderson <rth@cygnus.com>
697 Support for Hypersparc and Sparclite86x:
698 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
699 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
700 (ASM_CPU32_DEFAULT_SPEC): Likewise.
701 (TARGET_CPU_DEFAULT): Likewise.
702 (enum processor_type): Likewise.
703 (CPP_ENDIAN_SPEC): Handle little endian data.
704 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
705 (ADJUST_COST): Call sparc_adjust_cost.
706 * sparc.c (sparc_override_options): Fix up for the new targets.
707 (supersparc_adjust_cost): Make static.
708 (hypersparc_adjust_cost): New.
709 (ultrasparc_adjust_cost): Make static.
710 (sparc_adjust_cost): New.
711 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
712 (function_unit): Add hypersparc scheduling rules.
714 * configure.in (with_cpu handler): Recognize hypersparc.
716 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
718 * config/c4x/c4x.c: Added space after negation operator.
719 * config/c4x/c4x.h: Likewise.
720 * config/c4x/c4x.md: Likewise.
722 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
724 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
726 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
728 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
729 when a test can't be performed due to limited width of
730 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
731 Fix UDIV case for cases where the first operand has the highest bit
734 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
736 * pa.h (reg_class): Add FPUPPER_REGS.
737 (REG_CLASS_NAMES): Similarly.
738 (REG_CLASS_CONTENTS): Similarly
739 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
740 (FP_REG_CLASS_P): Likewise.
741 (REG_CLASS_FROM_LETTER): Similarly.
742 (CLASS_MAX_NREGS): Similarly.
744 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
746 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
747 for a typedef of bool. Make sure to have a copy of the file is
748 in place before we look to fix it. Fix typo in variable name to
751 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
753 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
754 value_mode for the return mode.
756 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
758 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
759 debugging as default.
761 * config/tm-dwarf2.h: New file.
763 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
765 * h8300.h (ASM_OUTPUT_LABELREF): Define.
767 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
768 * local-alloc.c (update_equiv_regs): Corresponding changes.
769 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
771 * calls.c (special_function_p): Push alloca test inside the large
772 conditional which excludes functions not at file scope or not
775 * calls.c (special_function_p): New function broken out of
777 (precompute_register_parameters): Likewise.
778 (store_one_arg): Likewise.
779 (store_unaligned_argumetns_into_pseudos): Likewise.
780 (save_fixed_argument_area): Likewise.
781 (restore_fixed_argument_area): Likewise.
782 (expand_call): Corresponding changes.
784 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
786 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
788 (const_sint32_operand): Likewise.
790 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
792 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
793 is a macro when deciding if we can use `jmp_buf' in prototypes.
795 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
797 * config/c4x/c4x.md (addqi3): If the destination operand is
798 a hard register other than an extended precision register,
799 emit addqi3_noclobber.
800 (*addqi3_noclobber_reload): New pattern added so that reload
801 will recognise a store of a pseudo, equivalent to the sum
802 of the frame pointer and a constant, as an add insn.
804 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
806 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
807 * configure: Rebuilt.
808 * i386/xm-go32.h: Define LIBSTDCXX.
810 * i386/go32.h (MD_EXEC_PREFIX): Define.
811 (FILE_NAME_ABSOLUTE_P): Define.
812 (LINK_COMMAND_SPEC): Define.
814 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
816 * expr.c (store_expr): If the lhs is a memory location pointed
817 to be a postincremented (or postdecremented) pointer, always
818 force the rhs to be evaluated into a pseudo.
820 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
822 * real.c (mtherr): Print more reasonable warning messages.
824 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
826 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
828 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
829 (new_include_prefix): Constify char* parameters.
831 * cppfiles.c (read_name_map): Likewise.
832 (append_include_chain): Likewise. Also, use a writable char* copy
833 of parameter `dir' which we then modify, rather than using the
834 parameter itself to store the new writable string.
835 (remap_filename): Constify some variables. Also, use a writable
836 char* to store an allocated string which we will be modifying.
838 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
839 (cpp_start_read): Constify variable `str'.
841 * cpplib.h (append_include_chain): Constify a char* parameter.
843 * gcc.c Include prefix.h, don't prototype prefix.c functions.
844 (add_prefix, save_string): Constify char* parameters.
845 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
847 * prefix.c: Include prefix.h.
848 (get_key_value, translate_name, save_string, update_path,
849 set_std_prefix): Constify various char* parameters and variables.
850 (save_string): Use xmalloc, not malloc.
851 (translate_name): Use a writable temporary variable to create and
852 modify a string before setting it to a const char*.
854 * prefix.h: New file to prototype functions exported from prefix.c.
856 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
858 * cpplib.c (skip_if_group): Split out the logic that handles
859 directive recognition to its own function. Don't use
860 parse markers; use a bare pointer into the buffer. Use
861 copy/skip_rest_of_line instead of doing it by hand. Remove
862 `return on any directive' mode which was never used, and take
864 (consider_directive_while_skipping): New function, subroutine
865 of skip_if_group. Logic streamlined a bit.
866 (conditional_skip, do_elif, do_else): Call skip_if_group with
869 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
871 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
874 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
876 * extend.texi (Bound member functions): Document.
878 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
880 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
881 lang_to_string, type_to_string): Make return type const char*.
882 (print_symbol): Apply `const' keyword to a char*.
883 (print_file_desc): Cast structure member `crfd' to ulong when
884 comparing against one.
886 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
887 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
888 (progname, input_name): Apply `const' keyword to a char*.
889 Don't redundantly include sys/stat.h.
890 (alloc_info): Apply `const' keyword to a char*.
891 (st_to_string, sc_to_string): Likewise.
892 (hash_string): Cast variable `hash_string' to a symint_t when
893 comparing against one.
894 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
895 Likewise cast it to long when comparing against one.
896 (add_local_symbol): Apply `const' keyword to a char*.
897 (add_ext_symbol): Likewise.
898 (add_unknown_tag): Likewise.
899 (add_procedure): Cast a printf-style field width to an int.
900 (add_file): Cast PAGE_USIZE to long when comparing against one
901 (parse_begin): Cast a printf-style field width to an int.
902 (parse_bend): Likewise.
903 (parse_def): Likewise.
904 (parse_end): Likewise.
905 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
906 (parse_stabs_common): Fix format specifier.
907 (parse_input): Change type of variable `i' to Size_t.
908 (write_object): Fix arguments to match format specifiers.
909 Cast variable `num_write' to long when comparing against one.
910 (read_seek): Cast variable `sys_read' to symint_t when comparing
911 against one. Fix arguments to match format specifiers. Cast
912 variable `size' to long when comparing against one.
913 (copy_object): Cast result of `sizeof' to int when comparing
914 against one. Fix arguments to match format specifiers. Cast
915 variable `ifd' to long when comparing against a signed value.
918 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
920 * c-common.c (decl_attributes): Allow applying attribute `unused'
923 * c-parse.in (label): Parse attributes after a label, and call
924 `decl_attributes' to handle them.
926 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
928 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
929 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
931 * invoke.texi: Note that labels can be marked `unused'.
933 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
935 * version.c: Bump for snapshot.
937 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
939 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
940 RTL for a compare/jump sequence.
942 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
944 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
945 for a target with HAVE_cc0 defined.
946 (emit_cmp_and_jump_insns): New function.
947 * expr.h (emit_cmp_and_jump_insns): Prototype it.
948 * loop.c (check_dbra_loop): Use it to replace calls
949 to emit_cmp_insn and emit_jump_insn and to canonicalise
950 the comparison if necessary.
951 * unroll.c (unroll_loop): Likewise.
953 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
955 * fixincludes (sys/utsname.h): Provide forward declaration of
956 struct utsname on Ultrix V4.[35].
958 * mips.md (div_trap): Use local labels instead of dot-relative
961 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
963 * pa.md (branch, negated branch): Handle (const_int 0) as first
965 * pa.c (output_cbranch): Likewise.
967 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
969 * rs6000.c (rs6000_stack_info): Undo spurious part of last
972 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
974 * extend.texi (__builtin_constant_p): Add missing @smallexample.
976 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
978 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
980 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
982 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
983 (adddi_dishl32): Similarly.
985 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
986 for each insn in the skipped block.
988 * reload1.c (reload_as_needed): Verify that the insn satisfies its
989 constraints after replacing a register address with an autoincrement
990 address for reload inheritance purposes.
992 * i386.md (doubleword shifts): Avoid namespace pollution.
994 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
996 * configure.in (FreeBSD ELF): Needs special crt files.
998 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
1000 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
1002 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1004 * loop.c (check_dbra_loop): While reversing the loop, if the
1005 comparison value has a VOID mode use the mode of the other operand
1006 to compute the mask.
1008 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
1010 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
1011 avoid warnings in compiling explow.c.
1013 (patch from Ken Raeburn, raeburn@cygnus.com)
1014 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
1015 fpmem_offset. Compute total size after that, and then
1016 rs6000_fpmem_offset using both values.
1018 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1020 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
1021 the future; indeed that already happens in some cases.
1023 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
1025 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
1026 (arith_operand): Remove constant_p_rtx handling.
1027 (const64_operand, const64_high_operand): Likewise.
1028 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
1029 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
1030 (small_int_or_double, uns_small_int, zero_operand): Likewise.
1031 * sparc.h (PREDICATE_CODES): Likewise.
1033 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
1035 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
1037 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
1038 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
1039 consider constant CONSTRUCTOR constant and to defer some cases
1041 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
1042 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
1044 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
1046 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
1047 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
1049 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
1050 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
1051 (sext_add_operand, and_operand, or_operand): Likewise.
1052 (reg_or_cint_operand, some_operand, input_operand): Likewise.
1053 * alpha.h (PREDICATE_CODES): Likewise.
1055 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
1057 * version.c: Bump for snapshot.
1059 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
1061 * gengenrtl.c (gencode): Always use bzero to clear memory instead
1062 of dangerous casts and stores.
1064 * Makefile.in (compare, gnucompare): Add missing else true clauses.
1066 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
1068 * alpha.md (builtin_longjmp): Add missing "DONE".
1070 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
1072 * gcc.c (execute): Enable -pipe with win32.
1074 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
1076 * config/arm/t-arm-elf: Add multiplib option for leading
1079 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
1080 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
1082 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
1083 than variable 'reload_address_base_reg_class'. [Note this
1084 change is unrelated to the others in this patch].
1086 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
1089 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1091 * alias.c (record_alias_subset): Remove ignored `&'.
1092 (init_alias_once): Likewise.
1094 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
1096 * config/mips/mips.c (mips_asm_file_end): Cast the result of
1097 fwrite to `int' when comparing against one.
1099 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
1100 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
1102 * cse.c (rehash_using_reg): Change type of variable `i' to
1105 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
1106 assigning it to one.
1108 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
1110 * final.c (final_scan_insn): Likewise for variable `i'.
1111 (output_asm_insn): Cast a char to unsigned char when used as an
1114 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
1115 assigning it to one.
1117 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
1119 * recog.c (preprocess_constraints): Cast a char to unsigned char
1120 when used as an array index.
1122 * regmove.c (find_matches): Likewise.
1124 * reload1.c (calculate_needs): Add default case in switch.
1125 (eliminate_regs_in_insn): Initialize variable `offset'.
1126 (set_offsets_for_label): Change type of variable `i' to unsigned.
1127 (reload_as_needed): Wrap variable `i' in macro check on
1128 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
1130 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
1131 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
1132 when comparing against one.
1134 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
1135 unsigned when comparing against one. Likewise for
1136 GET_MODE_ALIGNMENT().
1137 (layout_record): Cast record_align to int when comparing against a
1139 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
1142 * tree.c (get_identifier): Cast variable `len' to unsigned when
1143 comparing against one.
1144 (maybe_get_identifier): Likewise
1146 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
1148 * toplev.c (rest_of_compilation): Do not set reload_completed.
1149 * reload1.c (reload): Set reload_completed before calling
1150 cleanup_subreg_operands.
1152 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
1154 * reload1.c (emit_reload_insns): Check `set' not null before use.
1156 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
1158 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
1161 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1163 * halfpic.c (half_pic_encode): Delete redundant code.
1165 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
1167 * toplev.c (main): Delete handling of -dM as a preprocessor
1170 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
1172 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
1173 -dI, which are handled by the preprocessor.
1175 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
1177 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
1178 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
1180 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
1182 * version.c: Bump for snapshot.
1184 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
1186 * version.c: Bump for snapshot.
1188 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
1190 * version.c: Bump for snapshot.
1192 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1194 * genattr.c (fatal): Qualify a char* with the `const' keyword.
1196 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
1197 write_unit_name, write_eligible_delay, expand_units,
1198 make_length_attrs, write_attr_case, find_attr,
1199 make_internal_attr): Likewise.
1200 * gencheck.c (tree_codes): Likewise.
1201 * gencodes.c (fatal): Likewise.
1202 * genconfig.c (fatal): Likewise.
1203 * genemit.c (fatal): Likewise.
1204 * genextract.c (fatal, walk_rtx, copystr): Likewise.
1205 * genflags.c (fatal): Likewise.
1206 * genopinit.c (fatal, optabs, gen_insn): Likewise.
1207 * genoutput.c (fatal, error, predicates): Likewise.
1208 * genpeep.c (fatal): Likewise.
1209 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
1210 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
1212 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1214 * configure.in (with-fast-fixincludes): Fix whitespace.
1215 * configure: Rebuilt.
1217 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
1218 asm() etc. function declarations in __DECC.
1220 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
1222 * expr.c (emit_move_insn_1): Only emit a clobber if the target
1223 is a pseudo register.
1225 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
1227 * gcse.c: Include expr.h in order to get the prototype for
1228 get_condition() which is used in delete_null_pointer_checks().
1230 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1232 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
1234 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
1236 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
1237 (ALL_CFLAGS): Delete SCHED_CFLAGS.
1239 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
1241 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
1244 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
1246 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
1247 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
1248 optimizations from the combiner.
1250 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1252 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
1254 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
1256 * toplev.c (main): Disable optimize_size if a specific
1257 optimization level is requested. Always set optimization
1258 level to 2 if -Os is specified.
1260 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
1262 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
1264 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
1265 initialize it using fname.
1267 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
1269 * cpplib.c (do_include): Treat #include_next in the
1270 primary source file as #include plus warning. Treat
1271 #include_next in a file included by absolute path as an
1272 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
1274 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1276 * cccp.c: Don't define MIN/MAX anymore.
1277 * cpplib.c: Likewise.
1278 * machmode.h: Likewise.
1279 * system.h: Provide definitions for MIN/MAX.
1281 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1283 * fix-header.c: Don't define xstrdup here.
1285 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1287 * loop.c (consec_sets_giv): New argument last_consec_insn.
1288 (strength_reduce): Provide / use it.
1290 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1292 * loop.h (loop_info): New field 'vtop'.
1293 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
1294 scanning loop for vtop.
1295 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
1296 (loop_iterations): Use them to determine if loop has a constant
1297 number of iterations. Set loop_info->vtop. Don't subtract
1298 common reg term from initial_value and final_value if have a
1301 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
1303 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
1305 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
1307 * mn10200.md (abssf2, negsf2): New expanders.
1309 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
1311 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
1313 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
1314 replaced by a CONCAT whoes components do not have the same
1315 mode as the original SUBREG, use a new SUBREG to restore the
1318 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
1319 multiword complex values.
1321 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
1323 * cppalloc.c: Add xstrdup here.
1324 * cpplib.h: Remove savestring prototype.
1325 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
1327 * cppfiles.c: s/savestring/xstrdup/ throughout.
1329 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
1331 * cpplib.c: Make all directive handlers read their own
1333 (struct directive): Remove last two arguments from FUNC
1334 member prototype. Remove `command_reads_line' member
1336 (directive_table): Remove initializations of
1337 command_reads_line flag. Pretty-print.
1338 (eval_if_expression, do_define, do_line, do_include,
1339 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
1340 do_else, do_elif, do_sccs, do_assert, do_unassert,
1341 do_warning): Take only two args.
1343 (cpp_define): Call do_define with two args and the text to
1344 define stuffed into a buffer.
1345 (make_assertion): Call do_assert with two args.
1346 (handle_directive): Call do_line with two args. Call
1347 kt->func with two args. Remove command_reads_line
1349 (do_define, do_undef, do_error, do_warning, do_pragma,
1350 do_sccs): Read the rest of the line here.
1351 (do_ident): Gobble rest of line, as cccp does.
1352 (cpp_undef): New function.
1353 (cpp_start_read): Call cpp_undef instead of do_undef.
1355 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
1357 * cpphash.h (union hash_value): Remove `keydef' member, add a
1358 `struct hashnode *aschain' member for #assert.
1360 * cpplib.c (struct tokenlist_list, struct
1361 assertion_hashnode): Delete structure definitions.
1362 (assertion_install, assertion_lookup, delete_assertion,
1363 check_assertion, compare_token_lists, reverse_token_list,
1364 read_token_list, free_token_list): Delete functions.
1365 (parse_assertion): New function.
1366 (cpp_cleanup): Don't destroy the assertion_hashtable.
1368 (do_assert): Gut and rewrite. #assert foo (bar) places
1369 entries for `#foo' and `#foo(bar)' in the macro hash table,
1370 type T_ASSERT. The value union's `aschain' member is used
1371 to chain all answers for a given predicate together.
1372 (do_unassert): Also rewritten. Take an un-asserted
1373 answer off the chain from its predicate and call
1374 delete_macro on the hashnode, or walk a predicate chain
1375 calling delete_macro on all the entries.
1376 (cpp_read_check_assertion): Simply call parse_assertion to
1377 get the canonical assertion name, and look that up in the
1380 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
1383 * cpphash.c (install): Use bcopy instead of an explicit loop
1384 to copy the macro name.
1386 * cppexp.c (cpp_lex): Convert the result of
1387 cpp_read_check_assertion to a `struct operation' directly;
1388 don't go through parse_number.
1390 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1392 * loop.h (struct induction): Delete times_used member.
1393 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
1394 (n_times_used): Rename to n_times_set. Changed all users.
1395 (scan_loop): Free reg_single_usage before strength reduction.
1396 (record_giv, combine_givs): Remove handling of times_used member.
1397 (combine_givs_used_once): Rename to:
1398 (combine_givs_used_by_other) . Changed all callers.
1400 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
1402 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
1403 instead of TREE_CODE_CLASS == 't'.
1404 (gen_type_die): Likewise.
1405 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
1407 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
1409 * real.c (endian): Disable last change unless
1410 HOST_BITS_PER_WIDE_INT is greater than 32.
1412 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1414 * output.h (force_data_section): New prototype.
1415 * varasm.c (force_data_section): New function to force the
1416 data section, regardless of what in_section thinks.
1417 * dwarf2out.c (output_call_frame_info): Call force_data_section
1418 since varasm may not realize we've changes sections.
1420 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
1422 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
1423 after completeing reload.
1425 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
1426 deleted after reload.
1428 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
1430 * rtl.h (multiple_sets): Fix prototype.
1431 * rtlanal.c (multiple_sets): Fix return type.
1433 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
1435 * version.c: Bump for snapshot.
1437 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
1439 * version.c: Bump for snapshot.
1441 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
1443 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
1445 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1447 * rtl.h (recompute_reg_usage): Add second argument.
1448 * flow.c (recompute_reg_usage): Likewise.
1449 * toplev.c (rest_of_compilation): Supply second argument to
1450 recompute_reg_usage.
1452 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
1455 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
1457 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
1458 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
1459 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
1462 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
1464 * rtlanal.c (multiple_sets): New function.
1465 * rtl.h (multiple_sets): Declare it.
1466 * local-alloc.c (wipe_dead_reg): Use it.
1467 * global.c (global_conflicts): Likewise.
1469 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
1471 * global.c (record_conflicts): Don't use an array of shorts to
1472 store an array of ints.
1473 (global_conflicts): Likewise.
1475 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
1477 * alpha.c (alpha_expand_block_move): mode_for_size expects
1478 bits, not bytes. Infer extra alignment from addressof.
1480 1998-12-11 Michael Meissner <meissner@cygnus.com>
1482 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
1483 .sbss section, not .sdata.
1485 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
1487 * cccp.c: Do not #include <sys/stat.h> here; this is already done
1489 * collect2.c: Likewise.
1490 * cpplib.h: Likewise.
1493 * getpwd.c: Likewise.
1494 * protoize.c: Likewise.
1495 * toplev.c: Likewise.
1497 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
1498 and don't try to define it here.
1499 * Makefile.in (cppmain.o): Depend on machmode.h.
1500 (cpplib.o): Likewise.
1501 (cpperror.o): Likewise.
1502 (cppexp.o): Likewise.
1503 (cppfiles.o): Likewise.
1504 (cpphash.o): Likewise.
1505 (cppalloc.o): Likewise.
1506 (fix-header.o): Likewise.
1507 (scan-decls.o): Likewise.
1509 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
1511 * sh.c (print_operand): lookup interrupt_handler attribute instead
1512 of relying on static variable.
1513 * (calc_live_regs): Likewise.
1514 * (sh_pragma_insert_attributes): Create interrupt_handler
1515 attribute if a pragma was specified
1516 * (sh_valid_machine_decl_attribute): Don't set static flag.
1517 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
1519 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1521 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
1522 to determine if a register is live at a jump destination.
1523 Everything is dead at a BARRIER.
1525 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
1527 * cse.c (simplify_unary_operation): Sign-extend constants when
1528 they have the most significant bit set for the target.
1529 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
1531 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
1532 HOST_WIDE_INT temporary before negating it.
1533 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
1535 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
1537 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
1540 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1542 * collect2.h: New header file for prototypes.
1544 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
1546 * collect2.c: Include collect2.h.
1547 * tlink.c: Likewise.
1549 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
1551 * flow.c: Update some comments.
1553 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
1555 * objc/objc-act.c (cpp_initialized): Removed.
1556 (lang_init_options): Initialize cpplib.
1557 (lang_decode_option): Move initialization of cpplib to
1559 * c-lang.c: (parse_options,parse_in): Added.
1560 (lang_init_options): Initialized cpplib here.
1561 * c-decl.c (parse_options,cpp_initialized): Removed.
1562 (c_decode_option): Move initialization of cpplib to
1565 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1567 * reload1.c (reload_combine, reload_combine_note_store):
1568 Make STORE_RUID always valid.
1569 (reload_combine): Check if BASE is clobbered too early.
1571 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
1573 * reload.c (find_reloads): Display the insn that cannot be
1576 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
1578 * cccp.c (create_definition): Fix end of bufer logic.
1580 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1582 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
1583 pointer parameters changed to use the PARAMS() macro.
1585 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1587 * except.h (struct handler_info): Add handler_number field.
1588 * except.c (gen_exception_label): EH labels no longer need to be
1589 on the permanent obstack.
1590 (get_new_handler): Set the label number field.
1591 (output_exception_table_entry): Regenerate handler label reference
1592 from the label number field.
1593 (init_eh): Remove a blank line.
1594 * integrate.c (get_label_from_map): Labels no longer need to be
1595 on the permanent obstack.
1597 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
1599 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
1600 only when OUTER_CODE is SET.
1602 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1604 * loop.c (strength_reduce): If scan_start points to the loop exit
1605 test, be wary of subversive use of gotos inside expression statements.
1606 Don't set maybe_multiple for a backward jump that does not
1607 include the label under consideration into its range.
1608 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
1610 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1612 * explow.c (plus_constant_wide): Don't immediately return with
1613 result of recursive call.
1615 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1617 * eh-common.h (struct eh_context): Add table_index for rethrows.
1619 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
1620 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
1621 processed when inlined or unrolled (ie duplicated in some way).
1623 * rtl.c (reg_note_name): Add strings for new reg_note enums.
1625 * expr.h (rethrow_libfunc): New library decl.
1627 * optabs.c (rethrow_libfunc): Initialize.
1629 * except.h (struct eh_entry): Add new field 'rethrow_label'.
1630 (new_eh_region_entry): No longer exported from except.c.
1631 (duplicate_handlers): Renamed to duplicate_eh_handlers and
1632 different prototype.
1633 (rethrow_symbol_map, rethrow_used): New exported functions.
1634 (eh_region_from_symbol): New exported function.
1636 * except.c (create_rethrow_ref): New function to create a single
1637 SYMBOL_REF for a rethrow region.
1638 (push_eh_entry): Initialize a rethrow ref.
1639 (func_eh_entry): Add a rethrow_label field.
1640 (new_eh_region_entry): Make static, and initialize the rethrow entry.
1641 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
1642 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
1643 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
1644 a region into an appropriate new symbol.
1645 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
1646 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
1647 (end_catch_handler): Emit a barrier for new-exceptions since
1648 control can never drop through the end of a catch block.
1649 (expand_end_all_catch): new-exceptions never fall through a catch
1651 (expand_rethrow): use __rethrow routine for new exceptions.
1652 (output_exception_table_entry): Generate rethrow labels, if needed.
1653 (output_exception_table): Generate start and end rethrow labels.
1654 (init_eh): Create rethrow symbols for beginning and end of table.
1655 (scan_region): Don't eliminate EH regions which are the targets of
1658 * flow.c (make_edges): Add different edges for rethrow calls,
1659 identified by having the REG_EH_RETHROW reg label.
1660 (delete_unreachable_blocks): Don't delete regions markers which are
1661 the target of a rethrow.
1663 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
1664 allow save_for_inline_copying to call duplicate_eh_handlers.
1665 (save_for_inline_copying): Call duplicate_eh_handlers instead of
1666 exposing internal details of exception regions.
1667 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
1668 (expand_inline_function_eh_labelmap): New callback routine to
1669 allow expand_inline_function to call duplicate_eh_handlers.
1670 (expand_inline_function): Call duplicate_eh_handlers instead of
1671 exposing internal details of exception regions.
1672 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
1675 * libgcc2.c (find_exception_handler): Generalize to enable it to
1676 pick up processing where it left off last time for a rethrow.
1677 (__unwinding_cleanup): New function. debug hook which is called before
1678 unwinding when __throw finds there is nothing but cleanups left.
1679 (throw_helper): Common parts of __throw extracted out for reuse.
1680 (__throw): Common parts moved to throw_helper.
1681 (__rethrow): New function for performing rethrows.
1683 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
1685 * reload1.c (current_function_decl): Tweak declaration.
1687 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
1689 * c-decl.c (flag_isoc9x): Default off.
1690 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
1691 * cccp.c (print_help, main): Likewise.
1692 * gcc.c (default_compilers): Update for -std=gnu*.
1694 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
1696 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
1697 * demangle.h: Deleted.
1699 * reload1.c (current_function_decl): Declare.
1701 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1703 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
1705 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1707 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
1709 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
1711 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
1713 * configure: Rebuilt.
1714 * system.h: If the *_unlocked functions are available use them
1715 instead of the locked counterparts by defining macros.
1716 * config.in: Regenerated.
1718 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
1720 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
1721 wrong and should only be used for dump related things, not
1722 debugging information, instead main_input_filename should be used.
1723 Also, reuse output_file_directive if possible.
1724 * i386/aix386ng.h (ASM_FILE_START): Likewise.
1725 * i386/isc.h (ASM_FILE_START): Likewise.
1726 * i386/win-nt.h (ASM_FILE_START): Likewise.
1727 * i386/sun386.h (ASM_FILE_START): Likewise.
1729 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
1731 * configure.in (mips*-*-linux*): Handle big and little endian
1733 * configure: Rebuilt.
1735 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
1737 * emit-rtl.c: Fix typo.
1739 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
1741 * reload1.c (eliminate_regs): Don't do anything, if we're not
1744 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
1746 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
1748 * mips/mips.c (mips_select_section): Add comment.
1750 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1752 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1753 characters in file names in #line to be consistent with #include
1754 handling. We support escape prcessing in the # 1 "..." version of
1755 the command. See also support in cp/lex.c.
1756 (handle_directive): Likewise.
1757 (do_line): Likewise.
1759 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1761 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1762 so it'll work on non-ASCII platforms. Always consider $ an
1763 identifier character. Take no arguments.
1764 (cpp_reader_init): Call initialize_char_syntax with no
1766 (cpp_start_read): Don't call initialize_char_syntax again.
1767 Clear is_idchar['$'] and is_idstart['$'] if not
1768 opts->dollars_in_ident.
1770 * cpplib.h (struct cpp_reader): Replace void *data element by
1771 cpp_options *opts. Rearrange elements to make gdb printout
1772 less annoying (put buffer stack at end).
1773 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1775 * cppmain.c: s/data/opts/ when initializing cpp_reader
1777 * c-decl.c: Likewise.
1778 * objc/objc-act.c: Likewise.
1779 * fix-header.c: Likewise.
1781 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1783 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1784 with a struct file_name_list pointer.
1785 (struct cpp_reader): Add pointer to chain of `actual
1786 directory' include searchpath entries.
1787 (struct file_name_list): Add *alloc pointer for the sake of
1788 the actual-directory chain.
1790 Move definition of HOST_WIDE_INT here.
1791 (cpp_parse_escape): Change prototype to match changes in
1794 * cppfiles.c (actual_directory): New function.
1795 (finclude): Use it to initialize the buffer's actual_dir
1797 (find_include_file): We don't need to fix up max_include_len
1800 * cpplib.c (do_include): Don't allocate a file_name_list on
1801 the fly for current directory "" includes, use the one that's
1802 been preallocated in pfile->buffer->actual_dir. Hoist out
1803 duplicate code from the search_start selection logic.
1804 (cpp_reader_init): Initialize pfile->actual_dirs.
1806 Remove definition of HOST_WIDE_INT. Change calls
1807 to cpp_parse_escape to match changes in cppexp.c (note
1808 hardcoded MASK, which is safe since this is the source
1811 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1812 to handle wide character constants in #if directives. The
1813 function now returns a HOST_WIDE_INT, and takes a third
1814 argument which is a binary mask for all legal values (0x00ff
1815 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1816 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1817 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1819 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1821 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1823 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1825 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1826 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1827 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1829 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1831 * final.c (output_asm_name): Use tabs to seperate comments from
1834 Include instruction lengths (if defined) in output.
1836 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1838 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1839 in the loop_info structure.
1841 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1843 * configure.in: (arm*-*-ecos-elf): New target.
1844 * configure: Regenerated.
1845 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1846 * config/arm/ecos-elf.h: New file.
1847 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1850 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1852 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1854 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1856 * version.c: Bump for snapshot.
1858 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1860 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1863 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1865 * version.c: Bump for snapshot.
1867 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1869 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1870 compressed reports are ok and preferred over URLs
1872 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1874 * invoke.texi (Warning Options): Soften the tone of -pedantic
1876 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1878 * print-rtl.c (print_rtx): Add prototype.
1880 * unroll.c (iteration_info): Make it static.
1882 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1884 * alias.c (memrefs_conflict_p): A second ANDed address
1885 disables the aligned address optimization.
1887 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1889 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1892 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1894 * i960.h (BOOL_TYPE_SIZE): Define.
1896 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1898 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1899 from old valid_parallel_operands_4.
1900 (valid_parallel_operands_4): Check that operands for 4 operand
1901 parallel insns are valid, excluding load/store insns.
1902 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1903 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1904 valid_parallel_load_store instead of valid_parallel_operands_4.
1905 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1906 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1907 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1908 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1909 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1910 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1911 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1913 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1915 * config/c4x/c4x.c (iteration_info): Delete extern.
1917 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1919 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1921 * final.c (cleanup_subreg_operands): Delete some unused code.
1923 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1924 (struct insn_alternative): New structure definition.
1925 (recog_op_alt): Declare variable.
1926 (preprocess_constraints): Declare function.
1927 * recog.c (recog_op_alt): New variable.
1928 (extract_insn): Verify number of alternatives is in range.
1929 (preprocess_constraints): New function.
1930 * reg-stack.c: Include recog.h.
1931 (constrain_asm_operands): Delete.
1932 (get_asm_operand_lengths): Delete.
1933 (get_asm_operand_n_inputs): New function.
1934 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1935 N_OUTPUTS args. All callers changed.
1936 Compute number of inputs and outputs here by calling
1937 get_asm_operand_n_inputs.
1938 Instead of constrain_asm_operands, call extract_insn,
1939 constrain_operands and preprocess_constaints. Use information
1940 computed by these functions throughout.
1941 (record_reg_life): Delete code that is unused due to changes in
1942 record_asm_reg_life.
1943 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1944 N_INPUTS and N_OUTPUTS args. All callers changed.
1945 Similar changes as in record_asm_reg_life.
1946 (subst_stack_regs): Move n_operands declaration into the if statement
1948 Delete code that is unused due to changes in subst_asm_stack_regs.
1949 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1951 * Makefile.in (reg-stack.o): Depend on recog.h.
1953 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1955 * except.c (set_exception_version_code): Argument is an "int".
1957 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1959 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1960 * configure: Rebuilt.
1962 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1964 * configure.in (mipsel-*-linux*): New target.
1965 * mips/linux.h: New file, based on other Linux targets.
1967 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1969 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1970 runs in the context of the deleter, not the deletee, so we must
1971 use taskVarGet to find the correct memory to free.
1972 (__gthread_key_create): Initialize the task
1973 variable subsystem so that the task variable is still active when
1974 the delete hook is run.
1976 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1978 * pdp11.h: Use optimize_size for space optimizations.
1979 * pdp11.c: Likewise.
1980 * pdp11.md: Likewise.
1982 * pdp11.h (TARGET_40_PLUS): Fix typo.
1984 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1986 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1989 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1991 * alias.c (addr_side_effect_eval): New function.
1992 (memrefs_conflict_p): Use it.
1993 * rtl.h (addr_side_effect_eval): Prototype it.
1995 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1997 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1999 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
2001 * reload.c (find_reloads): When force const to memory, put result
2002 in substed_operand not *recog_operand_loc.
2004 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
2006 * c-lex.c: Fix indentation from last patch.
2007 Remove trailing whitespace.
2010 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
2012 * flow.c (delete_block): Call set_last_insn after we have reset
2013 NEXT_INSN (kept_tail).
2015 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
2017 * mips.md (trap_if): Use "$0" for the value zero.
2019 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
2020 Stephen L Moshier <moshier@world.std.com>
2021 Richard Henderson <rth@cygnus.com>
2023 * c-common.c (declare_function_name): Declare predefinied variable
2026 * c-decl.c (flag_isoc9x): Set to 1 by default.
2027 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
2028 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
2030 * c-parse.in: Allow constructors in ISO C 9x.
2031 Rewrite designator list handling.
2032 Allow [*] parameters.
2033 Don't warn about comma at end of enum definition for ISO C 9x.
2035 * cccp.c (c9x): New variable.
2036 (rest_extension): New variable.
2037 (print_help): Document new -std= option.
2038 (main): Recognize -std= option. Set c9x appropriately.
2039 (create_definition): Recognize ISO C 9x vararg macros.
2041 * gcc.c (default_compilers): Adjust specs for -std options.
2042 (option_map): Add --std.
2043 (display_help): Document -std.
2045 * toplev.c (documented_lang_options): Add -std and remove
2048 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
2049 or REAL_VALUE_HTOF based on base of the constants.
2050 * fold-const.c (real_hex_to_f): New function. Replacement function
2051 for hex FP conversion if REAL_ARITHMETIC is not defined.
2052 * real.c (asctoeg): Add handling of hex FP constants.
2053 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
2056 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
2058 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
2059 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
2060 expansion. Use hi/lo as destination register.
2062 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
2063 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
2064 Avoid as macro expansion. Use hi/lo as destination register.
2066 * mips.h (MASK_CHECK_RANGE_DIV): New.
2067 (MASK_NO_CHECK_ZERO_DIV): New.
2068 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
2069 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
2070 return address for leaf functions out of r31 to support
2071 builtin_return_address.
2073 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2075 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
2076 NEXT_INSN(x) to check insn x.
2078 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
2080 * flow.c (delete_block): Call set_last_insn if we end up deleting the
2081 last insn in the rtl chain.
2083 * reload1.c (reload): Do not set reload_completed or split insns
2085 * toplev.c (rest_of_compilation): Set reload_completed after
2086 reload returns. Split insns after reload_cse has run.
2088 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
2090 * final.c (final_scan_insn): Abort if block_depth falls below 0.
2092 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
2094 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
2096 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
2098 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
2099 use of user-label_prefix.
2101 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2103 * reload1.c (emit_reload_insns): Clear spill_reg_store
2104 when doing a new non-inherited reload from the same pseudo.
2106 * local-alloc.c (function_invariant_p): New function.
2107 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
2108 to decide if an equivalence should be recorded.
2109 * reload1.c (num_eliminable_invariants): New static variable.
2110 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
2111 to decide if an equivalence should be recorded.
2113 (calculate_needs_all_insns): Skip insns that only set an equivalence.
2114 Take num_eliminable_invariants into account when deciding
2115 if register elimination should be done.
2116 (reload_as_needed): Take num_eliminable_invariants into account
2117 when deciding if register elimination should be done.
2118 (eliminate_regs): Handle non-constant reg_equiv_constant.
2119 * rtl.h (function_invariant_p): Declare.
2121 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
2123 * version.c: Bump for snapshot.
2125 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
2127 * version.c: Bump for snapshot.
2129 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
2131 * except.c (add_new_handler): Complain about additional handlers
2132 after one that catches everything.
2134 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
2136 * configure.in (alpha*-*-netbsd): Fix typo.
2137 * configure: Rebuilt.
2139 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2141 * system.h: Include libiberty.h.
2143 * c-aux-info.c: Remove prototypes for concat/concat3. Change
2144 function `concat' from fixed parameters to variable parameters,
2145 as is done in libiberty. All callers of concat/concat3
2146 changed to use the new `concat' with variable args.
2148 * cccp.c: Remove things made redundant by libiberty.h and/or
2149 conform to libiberty standards.
2151 * collect2.c: Likewise.
2152 * config/1750a/1750a.h: Likewise.
2153 * cppalloc.c: Likewise.
2154 * cppexp.c: Likewise.
2155 * cppfiles.c: Likewise.
2156 * cpphash.c: Likewise.
2157 * cpplib.c: Likewise.
2158 * dyn-string.c: Likewise.
2159 * fix-header.c: Likewise.
2162 * genattr.c: Likewise.
2163 * genattrtab.c: Likewise.
2164 * gencheck.c: Likewise.
2165 * gencodes.c: Likewise.
2166 * genconfig.c: Likewise.
2167 * genemit.c: Likewise.
2168 * genextract.c: Likewise.
2169 * genflags.c: Likewise.
2170 * gengenrtl.c: Likewise.
2171 * genopinit.c: Likewise.
2172 * genoutput.c: Likewise.
2173 * genpeep.c: Likewise.
2174 * genrecog.c: Likewise.
2175 * getpwd.c: Likewise.
2176 * halfpic.c: Likewise.
2178 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
2179 in NEED_DECLARATION_* macros.
2181 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
2182 conform to libiberty standards.
2183 (fatal): Fix const-ification of variable `format' in
2184 !ANSI_PROTOTYPES case.
2186 * prefix.c: Remove things made redundant by libiberty.h and/or
2187 conform to libiberty standards.
2189 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
2190 conflicting with function `spaces' from libiberty.
2192 * profile.c: Remove things made redundant by libiberty.h and/or
2193 conform to libiberty standards.
2194 * protoize.c: Likewise.
2197 * tlink.c: Likewise.
2198 * toplev.c: Likewise.
2199 * toplev.h: Likewise.
2202 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2204 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
2206 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2208 * README.C4X: Updated URLs.
2209 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
2210 (valid_parallel_operands_5): Remove unused variable.
2212 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2214 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
2216 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
2218 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
2219 which can be configured.
2220 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
2221 (Makefile): Pass actual LANGUAGES through the environment when
2223 (cstamp-h): Likewise.
2224 (config.status): Likewise.
2226 * configure.in (enable_languages): Add new configuration parameter
2227 "--enable-languages=lang1,lang2,...".
2228 (${srcdir}/*/config-lang.in): Change handling to configure only
2229 those directories, that the user might have enabled; default to
2230 "all" existing languages.
2231 * configure: Regenerate.
2233 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
2235 * rtlanal.c (regs_set_between_p): New function.
2236 * rtl.h (regs_set_between_p): Prototype it.
2237 * jump.c (jump_optimize): Use it instead of modified_between_p
2238 in the Sep 2 change.
2240 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
2241 Matthias Pfaller <leo@dachau.marco.de>
2243 * invoke.texi (Option Summary, NS32K Options): add description
2244 of NS32K specific options.
2246 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
2247 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
2248 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
2249 negdf2, absdf2): Use l instead of f since the double class and
2250 float class are no longer the same.
2251 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
2252 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
2253 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
2254 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
2256 (cmpsi, cmphi, cmpqi): use general_operand instead of
2257 non_immediate_operand. Removes erroneous assumption that can't
2259 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
2260 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
2262 (movstrsi, movstrsi1, movstrsi2): completely new block move
2264 (...): Patterns to exploit multiply-add instructions.
2265 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
2266 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
2267 patterns to exploit extended divide insns.
2268 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
2271 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
2272 float return values as well as simple scalar floats.
2273 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
2274 support new flag to denote 32381 fpu.
2275 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
2276 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
2278 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
2279 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
2280 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
2281 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
2282 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
2283 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
2284 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
2285 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
2286 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
2287 fpu registers and special register classes for new 32381
2288 instructions dotf and polyf.
2289 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
2291 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
2292 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
2294 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
2295 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
2296 (REGISTER_MOVE_COST): move code to register_move_cost function for
2297 ease of coding and debugging.
2298 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
2299 LONG_FLOAT_REGO is likely spilled but not caught by default
2301 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
2302 instead of hard coded numbers in range check.
2303 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
2304 (...): Add prototypes for functions in ns32k.c but disable because
2305 of problems when ns32k.h is included in machine independant files.
2307 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
2308 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
2309 hard_regno_mode_ok, secondary_reload_class,
2310 print_operand, print_operand_address): new register scheme to
2311 include 32381 fpu registers and special register classes for new
2312 32381 instructions dotf and polyf.
2313 (gen_indexed_expr): Make static to keep namespace clean.
2314 (check_reg): remove since never called.
2315 (move_tail, expand_block_move): helper functions for "movstrsi"
2317 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
2318 Increase cost of moves which go via memory.
2319 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
2320 (CPP_PREDEFINES): nolonger predefine "unix".
2322 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
2323 Remove erroneous %$. print_operand() can work out from the rtx is
2324 an immediate prefix is required.
2326 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
2327 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
2328 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
2330 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
2333 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
2334 Correct handling of pic operands.
2335 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
2336 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
2337 -mrtd calling convention.
2339 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
2341 * gcc.c (option_map): Recognize --output-class-directory.
2343 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2345 * loop.h (precondition_loop_p): Added new mode argument.
2346 * unroll.c (precondition_loop_p): Likewise.
2347 (approx_final_value): Function deleted and subsumed
2348 into loop_iterations.
2349 (loop_find_equiv_value): New function.
2350 (loop_iterations): Use loop_find_equiv_value to find increments
2351 too large to be immediate constants. Also use it to find terms
2352 common to initial and final iteration values that can be removed.
2354 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2356 * loop.h (struct loop_info): Define new structure.
2357 (precondition_loop_p): Added prototype.
2358 (unroll_loop): Added new argument loop_info to prototype.
2359 (final_biv_value, final_giv_value): Added new argument n_iterations
2361 * loop.c (strength_reduce): Declare new structure loop_iteration_info
2362 and new pointer loop_info.
2363 (loop_n_iterations): Replace global variable by element in
2364 loop_info structure.
2365 (check_final_value): New argument n_iterations.
2366 (insert_bct): New argument loop_info.
2367 (loop_unroll_factor): Replace global array by element in
2368 loop_info structure.
2369 (loop_optimize): Remove code to allocate and initialise
2370 loop_unroll_factor_array.
2371 * unroll.c (precondition_loop_p): No longer static since
2372 used by branch on count optimization.
2373 (precondition_loop_p, unroll_loop): New argument loop_info.
2374 (final_biv_value, final_giv_value, find_splittable_regs): New
2375 argument n_iterations.
2376 (loop_iteration_var, loop_initial_value, loop_increment,
2377 loop_final_value, loop_comparison_code, loop_unroll_factor):
2378 Replaced global variables by loop_info structure.
2379 (loop_unroll_factor): Replace global array by element in
2380 loop_info structure.
2382 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2384 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
2387 * unroll.c (precondition_loop_p): Return loop_initial_value
2388 for initial_value instead of loop_iteration_var.
2390 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2392 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
2393 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
2394 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
2395 to output the instruction sequences.
2397 (rptb_top): Provide alternatives to use any register or memory
2399 (rptb_end): Emit use of operands rather than assigning them
2400 explicitly to the RS and RE registers.
2402 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2404 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
2405 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
2406 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
2407 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
2408 c4x_merge_notes, c4x_parallel_process,
2409 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
2410 c4x_combine_parallel): Delete.
2412 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2414 * config/c4x/c4x.c: (c4x_override_options): For compatibility
2415 with old target options clear flag_branch_on_count_reg if
2416 -mno-rptb specified and set flag_argument_alias is -mno-aliases
2418 (c4x_output_cbranch): Handle a sequence of insns rather than a
2420 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
2421 has not been allocated as the loop counter.
2422 (c4x_address_conflict): Do not allow two volatile memory references.
2423 (valid_parallel_operands_4, valid_parallel_operands_5,
2424 valid_parallel_operands_6): Reject pattern if the register destination
2425 of the first set is used as part of an address in the second set.
2427 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2429 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
2430 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
2431 is no longer enabled if PARALLEL_MPY_FLAG set.
2432 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
2433 (REG_CLASS_CONTENTS): Add braces around initializers.
2434 (HAVE_MULTIPLE_PACK): Define.
2435 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
2436 REAL_VALUE_TO_DECIMAL.
2437 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
2438 REAL_VALUE_TO_DECIMAL.
2439 (ar0_reg_operand): Add prototype.
2440 (ar0_mem_operand): Likewise.
2441 (ar1_reg_operand): Likewise.
2442 (ar1_mem_operand): Likewise.
2443 (ar2_reg_operand): Likewise.
2444 (ar2_mem_operand): Likewise.
2445 (ar3_reg_operand): Likewise.
2446 (ar3_mem_operand): Likewise.
2447 (ar4_reg_operand): Likewise.
2448 (ar4_mem_operand): Likewise.
2449 (ar5_reg_operand): Likewise.
2450 (ar5_mem_operand): Likewise.
2451 (ar6_reg_operand): Likewise.
2452 (ar6_mem_operand): Likewise.
2453 (ar7_reg_operand): Likewise.
2454 (ar7_mem_operand): Likewise.
2455 (ir0_reg_operand): Likewise.
2456 (ir0_mem_operand): Likewise.
2457 (ir1_reg_operand): Likewise.
2458 (ir1_mem_operand): Likewise.
2459 (group1_reg_operand): Likewise.
2460 (group1_mem_operand): Likewise.
2461 (ir1_reg_operand): Likewise.
2462 (arx_reg_operand): Likewise.
2463 (not_rc_reg): Likewise.
2464 (not_modify_reg): Likewise.
2465 (c4x_group1_reg_operand): Remove prototype.
2466 (c4x_group1_mem_operand): Likewise.
2467 (c4x_arx_reg_operand): Likewise.
2469 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
2471 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
2472 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
2474 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2476 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
2479 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2481 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
2482 unless FMOVD_WORKS is defined.
2484 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2486 * regclass.c (init_reg_sets): Move code that calculates tables
2487 dependent on reg_class_contents from here...
2488 (init_reg_sets_1): To here.
2490 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2492 * cpplib.h: Delete struct import_file. Add ihash element to
2493 struct cpp_buffer. Delete dont_repeat_files and
2494 import_hash_table elements from cpp_reader; change
2495 all_include_files to a hash table. Delete all foobar_include
2496 / last_foobar_include elements from struct cpp_options; put
2497 back four such: quote_include, bracket_include,
2498 system_include, after_include. Redo struct file_name_list
2499 completely. Add new structure type include_hash. Add
2500 prototypes for merge_include_chains and include_hash. Change
2501 prototypes for finclude, find_include_file, and
2502 append_include_chain to match changes below.
2504 * cppfiles.c (simplify_pathname, include_hash,
2505 remap_filename, merge_include_chains): New functions.
2506 (add_import, lookup_import, open_include_file): Removed.
2507 (INO_T_EQ): Define this (copied from cccp.c).
2508 (hack_vms_include_specification): Remove all calls and #if 0
2509 out the definition. It was being called incorrectly and at
2510 the wrong times. Until a VMSie can look at this, it's better
2511 to not pretend to support it.
2512 (append_include_chain): Change calling convention; now takes
2513 only one directory at a time, and sets up the data structure
2515 (redundant_include_p): Rewritten - this is now used for all
2516 include redundancy, whether by #ifndef, #import, or #pragma
2517 once. Looks up things in the include hash table.
2518 (file_cleanup): Decrement pfile->system_include_depth here if
2520 (find_include_file): Calling convention changed; now passes
2521 around a struct include_hash instead of 3 separate parameters.
2522 Guts ripped out and replaced with new include_hash mechanism.
2523 (finclude): Calling convention changed as for
2524 find_include_file. Error exits pulled out-of-line. Reformat.
2525 (safe_read): Return a long, not an int.
2526 (deps_output): Don't recurse.
2528 * cpplib.c (is_system_include): Deleted.
2529 (path_include): Fix up call to append_include_chain.
2530 (do_include): Fix up calls to find_include_file and finclude.
2531 Clean up dependency output a bit. Shorten obnoxiously lengthy
2532 #import warning message. Don't decrement
2533 pfile->system_include_depth here.
2534 (do_pragma): Understand the include_hash structure. Reformat.
2535 (do_endif): Correct handling of control macros. Understand
2537 (cpp_start_read): Fix up calls to finclude. Call
2538 merge_include_chains.
2539 (cpp_handle_option): Fix up calls to append_include_chain.
2540 Understand the four partial include chains.
2541 (cpp_finish): Add debugging code (#if 0-ed out) for the
2543 (cpp_cleanup): Free the include_hash, not the import hash and
2544 the all_include and dont_repeat lists which no longer exist.
2546 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
2548 * toplev.c (no_new_pseudos): Define.
2549 (rest_of_compilation): Set no_new_pseudos as needed.
2550 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
2551 if no_new_pseudos is set.
2552 * rtl.h (no_new_pseudos): Declare it.
2553 * reload1.c (reload): Update comments.
2554 * md.texi: Corresponding changes.
2556 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2558 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
2559 (choose_reload_regs): Rename it here as well. When computing it,
2560 also merge in used hardregs.
2562 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2564 * gcc.c: Split out Objective-C specs to...
2565 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
2568 * c-lex.c (init_parse): Always initialize the filename global.
2569 * objc/objc-act.c (lang_init): Always call check_newline at
2572 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
2574 * reload1.c (reload): Remove unused variable.
2575 (reload_reg_free_for_value_p): Add missing parameter definition.
2577 * jump.c (jump_optimize): Remove unused variable.
2579 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
2581 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
2583 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
2585 * expr.c (move_by_pieces): Similarly.
2586 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
2587 * flow.c (find_auto_inc): Similarly.
2588 (try_pre_increment): Similarly.
2589 * loop.c (strength_reduce): Similarly.
2590 * regclass.c (auto_inc_dec_reg_p): Similarly.
2591 * regmove.c (try_auto_increment): Similarly.
2592 (fixup_match_1): Similarly.
2593 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
2594 (HAVE_PRE_DECREMENT): Similarly.
2595 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
2596 * Corresponding changes to all target header files.
2597 * tm.texi: Update docs for autoinc addressing modes.
2599 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
2601 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
2602 * configure: Rebuild.
2603 * config/elfos.h: New file.
2604 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
2605 config/m68k/t-m68kelf: New file.
2607 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
2609 * Makefile.in (HOST_AR): Define.
2610 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
2611 (libcpp.a): Use the host tools explicitly.
2612 (STAGESTUFF): Add libcpp.a.
2614 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
2616 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
2617 to source and destination registers.
2619 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
2621 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
2622 The strategy we now use is to pre allocate the top_elt along
2623 with the EH context so that each thread has its own top_elt.
2624 This is necessary as the dynmanic cleanup chain is used on the
2625 top element of the stack and each thread MUST have its own.
2626 (eh_context_static): Likewise.
2627 (new_eh_context): Likewise.
2628 (__sjthrow): Likewise.
2630 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
2632 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
2633 * i386.md (prologue_get_pc): Remove unused variable.
2635 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
2637 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
2639 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
2641 * Makefile.in (OBJS): Add graph.o
2642 (graph.o): New dependency list.
2643 * flags.h: Declare dump_for_graph and define graph_dump_types type.
2644 * print-rtl.c (dump_for_graph): Define new variable.
2645 (print_rtx): Rewrite to allow use in graph dumping functions.
2646 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
2647 finish_graph_dump_file.
2648 Define graph_dump_format.
2649 (compile_file): If graph dumping is enabled also clear these files.
2650 Finish graph dump files.
2651 (rest_of_compilation): Also dump graph information if enabled.
2652 (main): Recognize -dv to enabled VCG based graph dumping.
2653 * graph.c: New file. Graph dumping functions.
2655 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
2657 * configure.in: Look for <sys/stat.h>.
2658 * system.h: Include it before substitute S_ISREG definitions.
2660 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
2662 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
2663 * config/mips/iris6.h: Same.
2664 * config/mips/mips.md: Same.
2665 * config/mips/mips.c: Same; also add "-mabi=o64" option.
2666 * config/mips/mips.h: Same; also define ABI_O64.
2668 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2670 * configure.in: Use AC_PREREQ(2.12.1).
2672 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2674 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
2675 * cpplib.c, gcc.c: Likewise.
2676 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
2678 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
2680 * local-alloc.c (local_alloc): Use malloc not alloca for
2681 reg_qty, reg_offset, ref_next_in_qty.
2683 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2685 * caller-save.c (insert_one_insn): Initialize the live_before and
2686 live_after register sets.
2690 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
2691 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
2692 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
2693 (fp_reg_names, assembler_dialect): New variables.
2694 (print_operand_address): Handle SUBREGs.
2695 (print_operand): Added 'o' case.
2696 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
2697 Name of FP registers depends on mode.
2698 (expand_block_move): Emit different code for SH4 hardware.
2699 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
2700 (from_compare): Likewise.
2701 (add_constant): New argument last_value. Changed all callers.
2702 (find_barrier): Don't try HImode load for FPUL_REG.
2703 (machine_dependent_reorg): Likewise.
2704 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
2705 (gen_far_branch): Emit a barrier after the new jump.
2706 (barrier_align): Don't trust instruction lengths before
2708 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
2709 Use auto-inc addressing for fp registers if doubles need to
2710 be loaded in two steps.
2711 Set sh_flag_remove_dead_before_cse.
2712 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
2713 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
2714 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
2715 Support for FIRST_XD_REG .. LAST_XD_REG.
2716 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
2717 (sh_expand_epilogue): Likewise.
2718 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
2719 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
2720 (arith_reg_operand): FPUL_REG is OK for SH4.
2721 (fp_arith_reg_operand, fp_extended_operand) New functions.
2722 (tertiary_reload_operand, fpscr_operand): Likewise.
2723 (commutative_float_operator, noncommutative_float_operator): Likewise.
2724 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
2725 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
2726 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
2727 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
2728 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
2729 (CONDITIONAL_REGISTER_USAGE): Likewise.
2730 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
2731 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
2732 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
2733 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
2734 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
2735 to -1 and sh_flag_remove_dead_before_cse to 1.
2736 (ASSEMBLER_DIALECT): Define to assembler_dialect.
2737 (assembler_dialect, fp_reg_names): Declare.
2738 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
2739 Hide names of registers that are not accessible.
2740 (CACHE_LOG): Take TARGET_CACHE32 into account.
2741 (LOOP_ALIGN): Take TARGET_HARWARD into account.
2742 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
2743 (FIRST_PSEUDO_REGISTER: Now 49.
2744 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
2745 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
2746 (HARD_REGNO_MODE_OK): Update.
2747 (enum reg_class): Add DF_REGS and FPSCR_REGS.
2748 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
2749 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
2750 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
2751 (NPARM_REGS): Eight floating point parameter registers on SH4.
2752 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2753 in floating point registers.
2754 (GET_SH_ARG_CLASS) Likewise.
2755 Complex float types are also returned in float registers.
2756 (BASE_ARG_REG): Complex float types are also passes in float registers.
2757 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2758 (LIBCALL_VALUE): Remove trailing semicolon.
2759 (ROUND_REG): Round when double precision value is passed in floating
2761 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2762 passed on the stack.
2763 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2764 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2765 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2766 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2767 (MODE_DISP_OK_8): Not for SH4 DFmode.
2768 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2769 Allow indexed addressing for PSImode after reload.
2770 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2771 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2772 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2773 (DOUBLE_TYPE_SIZE): 64 for SH4.
2774 (RTX_COSTS): Add PLUS case.
2775 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2776 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2777 MAC_REGS, PR_REGS, DF_REGS.
2778 (REGISTER_NAMES): Use fp_reg_names.
2779 (enum processor_type): Add PROCESSOR_SH4.
2780 (sh_flag_remove_dead_before_cse): Declare.
2781 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2782 (PREDICATE_CODES): Add binary_float_operator,
2783 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2784 fpscr_operand, noncommutative_float_operator.
2785 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2786 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2787 * sh.md (attribute cpu): Add value sh4.
2788 (attrbutes fmovd, issues): Define.
2789 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2790 (function units memory, int, mpy, fp): Make dependent on issue rate.
2791 (function units issue, single_issue, load_si, load): Define.
2792 (function units load_store, fdiv, gp_fpul): Define.
2793 (attribute hit_stack): Provide proper default.
2794 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2795 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2796 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2797 (mulsi3_call): Now uses match_operand for function address.
2798 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2800 (push, pop, push_e, pop_e): Now define_expands.
2801 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2802 (movsi_ie): Added y/i alternative.
2803 (ic_invalidate_line_i, movdf_i4): New insns.
2804 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2805 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2806 (movdf): Add special code for SH4.
2807 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2808 (call_valuei, calli, call_value): Likewise.
2809 (movsf): Emit no-op move.
2810 (mov_nop, movsi_y): New insns.
2811 (blt, sge): generalize to handle DFmode.
2812 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2813 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2814 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2815 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2816 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2817 (toggle_sz): New insn.
2818 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2819 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2820 (macsf3): Make use of fpscr visible. Disable for SH4.
2821 (floatsisf2): Make use of fpscr visible.
2822 (floatsisf2_i4): New insn.
2823 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2824 (ieee_ccmpeqsf_t): Likewise.
2825 (fix_truncsfsi2): Emit different code for SH4.
2826 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2827 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2828 (negsf2, sqrtsf2, abssf2): Now expanders.
2829 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2830 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2831 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2832 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2833 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2834 (fix_truncdfsi2_i4_2+1): New splitters.
2835 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2836 (extendsfdf2, truncdfsf2): New expanders.
2837 (truncdfsf2_i4): New insn.
2838 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2839 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2840 * float-sh.h: When testing for __SH3E__, also test for
2841 __SH4_SINGLE_ONLY__ .
2842 * va-sh.h (__va_freg): Define to float.
2843 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2844 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2845 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2846 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2848 (TARGET_SH4_P): Define.
2851 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2852 init_expr_once is satisfied about the existence of load / store insns.
2854 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2855 change m constraint in source operand to mr / mf .
2857 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2859 * (__VA_REEF): Define.
2860 (__va_arg_sh1): Use it.
2862 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2864 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2866 * i386/dgux.c (struct option): Add new "description field".
2867 * m88k/m88k.c (struct option): Likewise.
2869 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2871 * version.c: Bump for snapshot.
2873 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2875 * regmove.c (regmove_profitable_p): Use return value of find_matches
2878 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2880 * version.c: Bump for snapshot.
2882 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2884 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2885 without reload having been called earlier.
2887 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2889 (v850_reorg): Similarly.
2891 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2893 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2895 * loop.c (move_movables): Start of libcall might be new loop start.
2897 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2899 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2901 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2903 * function.c (nonlocal_goto_handler_slots): Renamed from
2904 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2905 (push_function_context_to): Adjust for this change.
2906 (pop_function_context_from): Likewise.
2907 (init_function_start): Likewise.
2908 (expand_function_end): Likewise.
2909 * function.h (struct function): Likewise.
2910 * calls.c (expand_call): Likewise.
2911 * explow.c (allocate_dynamic_stack_space): Likewise.
2912 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2913 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2915 (expand_goto): When doing a nonlocal goto, find corresponding handler
2916 slot for it. Don't put the label address in the static chain register.
2917 (expand_end_bindings): Break out nonlocal goto handling code into
2918 three new functions.
2919 (expand_nl_handler_label, expand_nl_goto_receiver,
2920 expand_nl_goto_receivers): New static functions, broken out of
2921 expand_end_bindings and adapted to create one handler per nonlocal
2923 * function.c (delete_handlers): Delete insn if it references any of
2924 the nonlocal goto handler slots.
2925 * i960.md (nonlocal_goto): Comment out code that modifies
2927 * sparc.md (nonlocal_goto): Likewise.
2928 (goto_handler_and_restore_v9): Comment out.
2929 (goto_handler_and_restore_v9_sp64): Comment out.
2931 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2933 * expr.c (STACK_BYTES): Delete unused macro.
2934 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2935 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2936 (expand_call): Likewise.
2937 (emit_library_call): Likewise.
2938 (emit_library_call_value): Likewise.
2939 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2940 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2941 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2942 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2943 (allocate_dynamic_stack_space): Likewise.
2944 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2945 (STACK_BOUNDARY): Update description to reflect the new situation.
2947 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2949 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2950 return with a filled delay slot is followed by a return with an
2951 unfilled delay slot, delete the first return and reemit the insn
2952 that was previously in its delay slot.
2954 * i860.c (single_insn_src_p): Add missing parens.
2955 * ginclude/math-3300.h: Likewise.
2957 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2959 * regclass.c (init_reg_sets_1): Add prototype.
2960 (init_reg_modes): Likewise.
2962 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2964 * c-common.c: Change warning messages to say `comparison is
2965 always true' or `comparison is always false' instead of the
2966 confusing `is always 0', `is always 1'.
2968 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2970 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2971 break instead of return (which loses closing '>').
2973 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2975 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2976 standard 387 constants.
2978 * i386.md (jump): Explicitly set "memory" attribute.
2979 (indirect_jump, prologue_set_stack_ptr): Likewise.
2980 (prologue_get_pc_and_set_got, pop): Likewise.
2981 (allocate_stack_worder, blockage, return_internal): Likewise.
2982 (return_pop_internal, nop): Likewise.
2983 (epilogue_set_stack_ptr, leave): Likewise.
2985 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2987 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2989 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2991 * reload1.c (reload_reg_free_for_value_p):
2992 Early auto_inc reloads don't conflict with outputs.
2994 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2996 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2997 Instead call AC_HEADER_SYS_WAIT.
2999 * collect2.c: Don't provide defaults for sys/wait.h macros.
3001 * protoize.c: Likewise. Also, don't include sys/wait.h.
3003 * system.h: Include sys/wait.h and provide macro defaults.
3005 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3007 * Makefile.in (mandir): Set to @mandir@.
3008 (man1dir): New variable to hold the former value of $(mandir).
3009 Replace all uses of $(mandir) by $(man1dir).
3011 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
3013 * reload.c (find_reloads_address_part): If have a CONST_INT, create
3014 a new one before passing it to force_const_mem.
3016 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
3017 find_reloads_address call.
3019 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3021 * expr.c (store_expr): Don't generate load-store pair
3022 if TEMP is identical (according to ==) with TARGET.
3024 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3026 * reload1.c (reload_reg_free_for_value_p): When considered reload
3027 has an output, matching inputs are not sufficient to avoid conflict.
3029 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
3031 * hash.h (hash_table_key): New type.
3032 (hash_entry): Change `string' field to generic `key'.
3033 (hash_table): Add `comp' and `hash' functions.
3034 (hash_table_init): Take them as input.
3035 (hash_table_init_n): Likewise.
3036 (hash_lookup): Modify for generic keys.
3037 (hash_newfunc): Likewise.
3038 (hash_traverse): Likewise.
3039 (string_hash): New function.
3040 (string_compare): Likewise.
3041 (string_copy): Likewise.
3042 * hash.c (hash_table_init_n): Modify for generic keys.
3043 (hash_table_init): Likewise.
3044 (hash_lookup): Likewise.
3045 (hash_newfunc): Likewise.
3046 (hash_traverse): Likewise.
3047 (string_hash): Split out from hash_lookup.
3048 (string_compare): New function.
3049 (string_copy): Split out from hash_lookup.
3050 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
3052 (symbol_hash_lookup): Likewise.
3053 (file_hash_newfunc): Likewise.
3054 (file_hash_lookup): Likewise.
3055 (demangled_hash_newfunc): Likewise.
3056 (demangled_hash_lookup): Likewise.
3057 (tlink_int): Likewise.
3058 (read_repo_file): Likewise.
3059 (recompile_files): Likewise.
3060 (demangle_new_symbols): Likewise.
3061 (scan_linker_output): Likewise.
3063 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3065 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
3067 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
3069 * rs6000.c (output_mi_thunk): Improve test for local branch.
3071 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3073 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
3075 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3077 * reload1.c (reload_reg_free_before_p): Delete.
3078 Changed all callers to use reload_reg_free_for_value_p instead.
3079 (reload_reg_free_for_value_p): Handle more reload types.
3080 A RELOAD_FOR_INPUT doesn't conflict with its
3081 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
3082 Add special case for OUT == const0_rtx.
3083 Added ignore_address_reloads argument. Changed all callers.
3085 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
3087 * toplev.c (compile_file): Don't pedwarn about undefined static
3088 functions just because we passed -Wunused.
3090 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3092 * function.c (purge_addressof_1): Unshare rtl created by
3095 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3097 * regmove.c (regmove_optimize): Don't do anything but
3098 optimize_reg_copy[123] when flag_regmove is not set.
3100 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
3102 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
3103 value in paradoxical SImode result, rather than truncating midpoint.
3105 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
3107 * alpha.c (reg_not_elim_operand): New.
3108 * alpha.h (PREDICATE_CODES): Add it.
3109 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
3110 for the multiplicand.
3112 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
3114 * rs6000.md (movsf): Remove explicit secondary-reload-like
3115 functionality. Only truncate SFmode store if in FPR.
3116 (movsf splitters): Combine const_double splitters.
3117 (movsf_hardfloat): Add GPR support.
3119 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
3121 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
3122 deprecate -mlive-g0 and -mbroken-saverestore.
3123 * t-splet (MULTILIB_OPTIONS): Likewise.
3125 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
3126 in a leaf function. Clarify total_size/extra_size relationship.
3128 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
3130 * i386/cygwin32.asm: Delete.
3131 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
3132 * i386/cygwin32.h: Delete.
3133 * i386/cygwin.h: New file, renamed from cygwin32.h.
3134 * i386/t-cygwin32: Delete.
3135 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
3136 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
3137 * i386/x-cygwin32: Delete.
3138 * i386/x-cygwin: New file, renamed from x-cygwin32.
3139 * i386/xm-cygwin32: Delete.
3140 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
3141 renamed cygwin_ funcs for path translations.
3142 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
3143 * i386/winnt.c: Remove "32" from comment about cygwin.
3144 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
3145 * rs6000/cygwin32.h: Delete.
3146 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
3147 -D__CYGWIN__ to CPP_PREDEFINES.
3148 * rs6000/x-cygwin32: Delete.
3149 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
3150 * rs6000/xm-cygwin32: Delete.
3151 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
3153 * configure.in: Check for cygwin* instead of cygwin32. Account
3154 for the rename of cygwin-related config files to lose the "32"s.
3155 * configure: Regenerate.
3157 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
3158 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
3160 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
3162 * Makefile.in (JAVAGC): New macro.
3163 * configure: Rebuilt.
3164 * configure.in: Recognize --enable-java-gc argument. Subst
3167 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3169 Handle equivalences that have been obscured by gcse:
3171 * reload1.c (reload): Handle equivalences set up in multiple places.
3172 * local-alloc.c (reg_equiv_init_insns): New variable.
3173 (no_equiv): New function.
3174 (update_equiv_regs): Handle equivalences set up in multiple places.
3175 Don't ignore an insn just because its destination is likely to be
3178 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
3180 * except.c (expand_eh_return): Readd force_operand call lost in
3183 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
3185 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
3187 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3189 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
3191 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3193 * regmove.c (regmove_optimize): Fix error in last change.
3195 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
3197 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
3198 offset in the .mask pseudo to compensate for frame pointer adjustments.
3199 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
3200 word swap arguments moved to/from FP registers.
3201 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
3203 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
3205 * version.c: Bump for snapshot.
3207 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
3209 * version.c: Bump for snapshot.
3211 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
3213 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
3214 times, then it can not be completely replaced.
3216 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
3218 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
3220 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3222 * gansidecl.h: Prepend a "G" to the macro wrapping this file
3223 (to distinguish it from the macro wrapping ansidecl.h.)
3224 Include libiberty's ansidecl.h. Remove all redundant definitions.
3225 Define the PROTO() style macros in terms of the PARAMS() ones.
3228 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
3229 __STDC__, when deciding whether to use ANSI variable args.
3230 (emit_library_call_value): Likewise.
3232 * cccp.c (error): Likewise.
3233 (warning): Likewise.
3234 (error_with_line): Likewise.
3235 (warning_with_line): Likewise.
3236 (pedwarn): Likewise.
3237 (pedwarn_with_line): Likewise.
3238 (pedwarn_with_file_and_line): Likewise.
3241 * cexp.y (error): Likewise.
3242 (pedwarn): Likewise.
3243 (warning): Likewise.
3245 * collect2.c (fatal_perror): Likewise.
3249 * combine.c (gen_rtx_combine): Likewise.
3251 * cpperror.c (cpp_message): Likewise.
3252 (cpp_fatal): Likewise.
3254 * cpplib.c (cpp_error): Likewise.
3255 (cpp_warning): Likewise.
3256 (cpp_pedwarn): Likewise.
3257 (cpp_error_with_line): Likewise.
3258 (cpp_warning_with_line): Likewise.
3259 (cpp_pedwarn_with_line): Likewise.
3260 (cpp_pedwarn_with_file_and_line): Likewise.
3262 * cpplib.h: Don't define PARAMS() macro.
3264 * demangle.h: Likewise.
3266 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
3267 when deciding whether to use ANSI variable args.
3269 * emit-rtl.c (gen_rtx): Likewise.
3270 (gen_rtvec): Likewise.
3272 * final.c (asm_fprintf): Likewise.
3274 * fix-header.c (cpp_message): Likewise.
3276 (cpp_fatal): Likewise.
3278 * gcc.c (concat): Likewise.
3282 * genattr.c (fatal): Likewise.
3284 * genattrtab.c (attr_rtx): Likewise.
3285 (attr_printf): Likewise.
3288 * gencodes.c (fatal): Likewise.
3290 * genconfig.c (fatal): Likewise.
3292 * genemit.c (fatal): Likewise.
3294 * genextract.c (fatal): Likewise.
3296 * genflags.c (fatal): Likewise.
3298 * genopinit.c (fatal): Likewise.
3300 * genoutput.c (fatal): Likewise.
3303 * genpeep.c (fatal): Likewise.
3305 * genrecog.c (fatal): Likewise.
3307 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
3308 deciding whether to declare `tree_node' and `rtx_def'.
3310 * hash.h: Don't define stuff we get from gansidecl.h.
3312 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
3313 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
3314 whether to use ANSI variable args.
3317 * prefix.c (concat): Likewise.
3321 * system.h: Likewise.
3323 * toplev.c (error_with_file_and_line): Likewise.
3324 (error_with_decl): Likewise.
3325 (error_for_asm): Likewise.
3328 (warning_with_file_and_line): Likewise.
3329 (warning_with_decl): Likewise.
3330 (warning_for_asm): Likewise.
3331 (warning): Likewise.
3332 (pedwarn): Likewise.
3333 (pedwarn_with_decl): Likewise.
3334 (pedwarn_with_file_and_line): Likewise.
3336 (really_sorry): Likewise.
3338 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
3339 whether to declare `tree_node' and `rtx_def'.
3341 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
3342 deciding whether to use ANSI variable args.
3343 (build_nt): Likewise.
3344 (build_parse_node): Likewise.
3346 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
3348 * version.c: Bump for snapshot.
3350 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3352 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
3354 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3356 * collect2.c (main, case 'b'): Use else if.
3358 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3360 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
3361 Arrange to include gansidecl.h in {ht}config.h & tm.h just
3362 before the config/ directory headers.
3363 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
3364 gansidecl.h in the list of dependencies.
3366 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
3367 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
3368 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
3369 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
3370 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
3371 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
3374 * cccp.c: Don't include gansidecl.h.
3376 * collect2.c: Likewise.
3377 * config/c4x/c4x.c: Likewise.
3378 * config/v850/v850.h: Likewise.
3379 * cppalloc.c: Likewise.
3380 * cpperror.c: Likewise.
3381 * cppexp.c: Likewise.
3382 * cppfiles.c: Likewise.
3383 * cpphash.c: Likewise.
3384 * cpplib.c: Likewise.
3385 * cppmain.c: Likewise.
3386 * cppulp.c: Likewise.
3387 * demangle.h: Likewise.
3388 * doprint.c: Likewise.
3389 * dyn-string.c: Likewise.
3390 * eh-common.h: Likewise.
3391 * fix-header.c: Likewise.
3392 * frame.c: Likewise.
3395 * gen-protos.c: Likewise.
3396 * gencheck.c: Likewise.
3397 * halfpic.h: Likewise.
3399 * machmode.h: Likewise.
3400 * mbchar.c: Likewise.
3401 * prefix.c: Likewise.
3402 * protoize.c: Likewise.
3403 * recog.h: Likewise.
3405 * scan-decls.c: Likewise.
3407 * varray.h: Likewise.
3409 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
3411 * i386.md (call_value_pop): If we're not popping anything,
3412 defer to call_value.
3413 (call_pop): Likewise defer to call.
3415 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
3417 * function.c (purge_addressof): Clear purge_addressof_replacements
3418 only after processing the whole function.
3420 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
3422 * reload1.c (reload): If we can not perform a particular elimination
3423 when we thought we could earlier, then we must always iterate through
3424 the loop at least one more time.
3426 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
3428 * alpha.c (add_operand): Simplify the CONST_INT match.
3429 (sext_add_operand): Correct typo in comparison by using
3430 CONST_OK_FOR_LETTER_P.
3431 * alpha.md (s?addq): Use sext_add_operand to allow the negative
3432 constant alternatives to be generated.
3433 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
3434 small constants, since the hw instructions do.
3436 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3438 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
3439 previous insn to store directly into our reload register, make sure
3440 that if the source of the previous insn is a reload register, its
3441 spill_reg_store and spill_reg_stored_to values are cleared.
3443 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
3445 * rs6000.md (floatunssidf2_internal splitter): Use base register
3446 operand, not hard-coded SP.
3448 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3450 * jump.c (calculate_can_reach_end): Fix thinko.
3452 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
3454 * reorg.c (fill_simple_delay_slots): Fix typo.
3456 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
3458 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
3460 * i386.md (extendsidi2): Use # in the output template.
3461 (extendsidi splitters): New splitters.
3463 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
3465 * configure.in: Use unknown-elf.h as tm_file for arm-elf
3467 * configure: Regenerate.
3469 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3471 * jump.c (init_label_info, delete_barrier_successors,
3472 mark_all_labels, delete_unreferenced_labels,
3473 delete_noop_moves, calculate_can_reach_end): New functions broken
3474 out of jump_optimize.
3475 (jump_optimize): Use them.
3477 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3479 * except.c (expand_fixup_region_end): Make sure outer context labels
3480 are not issued in an inner context during cleanups.
3482 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
3484 * alpha.md (addsi3, subsi3): No new temporaries once cse is
3487 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
3489 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
3490 to expose this midpoint to CSE.
3492 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3494 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
3496 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3498 * configure.in: Bring over gcc2 change of Nov 19 1997.
3500 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
3502 * toplev.c (output_lang_identify): Make definition dependent on
3503 ASM_IDENTIFY_LANGUAGE.
3505 * print-rtl.c (spaces): Make static.
3507 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
3509 * extend.texi: Clarify proper uses for register clobbers in asms.
3511 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3513 * recog.h (enum op_type): Define.
3514 (constrain_operands): Adjust prototype.
3515 (recog_op_type): Declare new variable.
3516 * recog.c (recog_op_type): New variable.
3517 (insn_invalid_p): Allow modifying an asm statement after reload.
3518 (extract_insn): Set up recog_op_type.
3519 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
3520 Don't compute operand types, use recog_op_type.
3521 Use the information computed by extract_insn instead of the previous
3522 method of finding it by insn code number.
3523 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
3524 * reorg.c (fill_slots_from_thread): Likewise.
3525 * reload1.c (reload_as_needed): Likewise.
3526 (gen_reload): Likewise.
3527 (inc_for_reload): Likewise.
3528 (reload_cse_simplify_operands): Likewise.
3529 Use the information computed by extract_insn instead of the previous
3530 method of finding it by insn code number.
3531 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
3533 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
3534 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
3535 Use the information computed by extract_insn instead of the previous
3536 method of finding it by insn code number.
3537 * regmove.c (find_matches): Likewise. Change meaning of the return
3538 value to be nonzero if the optimization can be performed, zero if
3539 not. All callers changed.
3540 Shorten some variable names to fix formatting problems.
3541 (regmove_optimize): Shorten some variable names to fix formatting
3543 Use the information computed by extract_insn instead of the previous
3544 method of finding it by insn code number.
3545 * regclass.c (scan_one_insn): Likewise.
3546 (record_reg_classes): Don't compute operand types, use recog_op_type.
3547 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
3548 recog_constraints instead.
3550 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
3552 * rtl.h (flow2_completed): Declare.
3553 * flow.c (flow2_completed): Definition.
3554 * toplev.c (rest_of_compilation): Set and clear flow2_completed
3557 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
3559 * Makefile.in (libcpp.a): Ranlib libcpp.a
3561 * cppulp.c (user_label_prefix): Initialize.
3563 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
3565 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
3566 at a RETURN if current_function_sp_is_unchanging is set.
3568 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3570 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
3572 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
3574 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
3575 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
3576 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
3577 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
3578 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
3579 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
3581 (LIB_SPEC): Handle -mno-cyginw option.
3582 (LINK_SPEC): Handle -mdll.
3584 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3586 * reload.c (find_reloads): Fix test for usage by other reload
3587 to handle secondary reloads properly.
3589 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3591 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
3592 intermediate structure which has exactly the members provided by
3593 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
3594 static intermediate structure.
3596 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
3597 from the intermediate structure. Do the same analogous fix in
3598 the case where ELIMINABLE_REGS is not defined.
3600 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
3602 * pa.h (SELECT_SECTION): Fix thinko.
3604 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
3606 * dwarf2out.c (output_call_frame_info): Comments on last change.
3608 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
3610 * arm.c (add_constant): When taking the address of an item in the
3611 pool, get the mode of the item addressed.
3613 * arm.c (final_prescan_insn case INSN): If an insn doesn't
3614 contain a SET or a PARALLEL, don't consider it for conditional
3617 Restore ABI compatibility for NetBSD.
3618 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
3620 (RETURN_IN_MEMORY): Likewise.
3622 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
3624 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
3625 (m32r_output_block_move): Rewrite bytes < 4 handling.
3627 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3629 * configure.in: Call AC_FUNC_VFORK.
3631 * collect2.c: Define VFORK_STRING as a printable string for
3632 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
3633 defined, include vfork.h. If VMS is defined, define vfork()
3634 appropriately. Remove vfork check on USG, we're using autoconf.
3635 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
3636 checking locally what string to pass.
3637 (scan_prog_file): Likewise.
3638 (scan_libraries): Likewise.
3640 * gcc.c: Remove vfork check on USG, we're using autoconf.
3641 Besides, no calls to vfork/fork occur in this file.
3643 * protoize.c: Likewise.
3645 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3647 * configure.in (DEFAULT_LINKER): renamed from LD
3648 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
3649 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
3650 * configure: rebuilt
3652 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3654 * BUGS: fix the regexp for `more' to find the appropriate node.
3655 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
3657 * BUGS: added link to the WWW FAQ
3659 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
3661 * version.c: Bump for snapshot.
3663 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
3665 * From Christian Gafton:
3666 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
3667 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
3668 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
3670 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
3672 * c-common.c (c_get_alias_set): Allow all type-punning through
3673 unions. Don't get confused about the type of a bit-field, despite
3674 the antics of build_modify_expr.
3676 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
3678 * fixinc.sco: Paramaterize #include_next values.
3679 * fixinc/fixinc.sco: Likewise.
3681 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
3683 * toplev.c (rest_of_compilation): No longer set reload_completed.
3684 * reload1.c (reload): Set it here. Perform instruction splitting
3685 after reload has completed if we will be running the scheduler
3688 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
3690 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
3691 EH region if exceptions are enabled and we're performing cross
3693 (find_cross_jump): Exit loop if the insns are in different EH regions.
3695 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
3697 * dwarf2out.c (output_call_frame_info): Use
3698 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
3700 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3702 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
3703 * c-common.c (check_format_info): Don't check for the 'x'
3704 format character twice, instead check for 'x' and 'X'
3706 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
3708 * configure.in (assembler features): Also make gas is configured if
3709 we find it in the souce tree.
3711 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
3713 * i386.c (i386_comp_type_attributes): Compare whether the
3714 attributes are defined, not their tree nodes.
3716 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3718 * configure.in (gxx_include_dir): bitten by autoconf quoting
3720 * configure: rebuilt
3722 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3724 * configure.in: Ignore non-absolute value in $AS.
3726 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
3728 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
3730 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
3732 * configure.in (msdosdjgpp): Set exeext and target_alias.
3734 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3736 * flow.c (XNMALLOC): New macro.
3737 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
3739 (add_edge, add_edge_to_label): New static functions.
3740 (free_bb_memory): New function.
3741 (flow_delete_insn): Delete function.
3742 (basic_block_drops_in): Delete variable.
3743 (find_basic_blocks): Allocate and initialize basic_block_head,
3744 basic_block_succ. Don't allocate basic_block_drops_in.
3745 Call free_bb_memory at the beginning.
3746 (find_basic_blocks_1): Don't do multiple passes.
3747 Delete code to compute basic_block_drops_in.
3748 After calling make_edges, mark blocks reached by current block live.
3749 Update test for unreachable live blocks.
3750 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3752 Simplify to call add_edge_to_label when a LABEL_REF is found.
3753 (make_edges): Simplify to call add_edge_to_label instead of
3754 mark_label_ref most of the time.
3755 Compute here whether control drops into the next block.
3756 (delete_unreachable_blocks): Return void. All callers changed.
3757 Delete unreachable blocks in reverse order.
3758 After deleting all unreachable blocks, renumber the remaining ones
3759 and update n_basic_blocks.
3760 (delete_block): Speed up deletion a bit.
3761 Don't set basic_block_drops_in for deleted blocks.
3762 (free_basic_block_vars): Don't free basic_block_drops_in.
3763 (life_analysis_1): Update to use new edge representation.
3764 (dump_flow_info): Delete code to print basic block info; call
3765 dump_bb_data instead.
3766 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3767 and uid_block_number.
3768 Simply copy the previously computed cfg.
3769 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3770 Print register lifetime information if LIVE_INFO is nonzero.
3771 * basic-block.h (dump_bb_data): Adjust prototype.
3772 * gcse.c (gcse_main): Update call to dump_bb_data.
3773 * rtl.h (free_bb_memory): Declare.
3774 * toplev.c (rest_of_compilation): Call free_bb_memory.
3776 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3777 (update_eliminable_offsets): Don't compute it.
3778 (set_initial_elim_offsets): Don't initialize it.
3779 Break out some code into set_initial_label_offsets so the rest of
3780 this function can be called from reload_as_needed.
3781 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3782 ELIMINABLE_REGS isn't.
3783 (set_initial_label_offsets): New function, broken out of
3784 set_initial_elim_offsets.
3785 (set_offsets_for_label): New function, broken out of set_label_offsets
3786 and reload_as_needed.
3787 (reload): Call the two new functions.
3788 (reload_as_needed): Call set_initial_elim_offsets instead of
3789 duplicating the code. Likewise for set_offsets_for_label.
3791 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3792 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3793 any hard reg, reg_reloaded_dead contains valid data.
3795 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3797 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3798 "stdcall" and "cdecl" attributes.
3800 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3802 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3803 handle deleted no-op moves of hard registers.
3804 * haifa-sched.c (update_flow_info): Likewise.
3806 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3808 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3809 of the sequences to reload the HILO register which do not actually
3812 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3814 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3816 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3818 * except.c (emit_eh_context): Make the EH context register stay alive
3819 at -O0 so stupid.c doesn't get confused.
3821 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3823 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3825 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3826 Jeffrey A Law (law@cygnus.com)
3828 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3829 (zero_extendsidi2): Use # in output template and handle completely by
3831 (zero_extend splitters): New define_splits.
3832 (ashiftrt_32): New pattern.
3834 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3836 * tree.c (append_random_chars): New fn.
3837 (get_file_function_name_long): Use it.
3839 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3841 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3842 (LIBCPP_OBJS): New. Add cppulp.o.
3843 (cppmain, fix-header): Depend on and use libcpp.a.
3844 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3845 of the individual object files.
3846 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3849 * cccp.c (user_label_prefix): New.
3850 (main): Set it off -f*leading-underscore.
3851 (special_symbol): Use it.
3852 * cpplib.c (special_symbol): Likewise.
3853 (cpp_handle_option): Handle -f*leading-underscore.
3854 * cppulp.c: New file.
3856 * output.h (user_label_prefix): Declare it.
3857 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3858 * toplev.c (f_options, main): Handle -f*leading-underscore.
3860 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3861 referencing USER_LABEL_PREFIX directly.
3862 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3863 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3864 * final.c (asm_fprintf): Use user_label_prefix instead.
3865 * arm/thumb.c (thumb_print_operand): Likewise.
3867 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3868 cpp wherever appropriate.
3870 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3872 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3873 specific compiler switches.
3875 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3877 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3880 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3882 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3883 structure which has exactly the members provided by EXTRA_SPECS.
3884 Xmalloc() the real `extra_specs', and initialize it from this
3885 intermediate structure.
3887 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3889 * mips.h (EXTRA_SPECS): Likewise.
3891 * sparc.h (EXTRA_SPECS): Likewise.
3893 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3895 * function.c (purge_addressof_1): Instead of aborting when a
3896 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3897 work just put the ADDRESSOF on stack. Otherwise remember all such
3898 successfull replacements, so that exactly the same replacements
3899 can be made on the REG_NOTEs. Remove the special case for CALL
3901 (purge_addressof_replacements): New variable.
3902 (purge_addressof): Clear it at end.
3904 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3906 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3907 (lang_init): Call check_newline always.
3908 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3909 cpp_start_read, set yy_cur and yy_lim to read from
3910 parse_in.token_buffer, so that we'll see the first #line
3912 * cpplib.c (cpp_start_read): finclude the main input file
3913 before processing -include/-imacros. Process -imacros and
3914 -include separately, and handle -include by stacking a
3915 buffer for the file in question as if it'd been #included.
3916 * toplev.c (documented_lang_options) Recognize -H when
3919 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3921 * cpplib.c: Merge do_once into do_pragma. Break file handling
3922 code out of do_include.
3923 Move append_include_chain, deps_output,
3924 file_cleanup, redundant_include_p, import_hash,
3925 lookup_import, add_import, read_filename_string, read_name_map,
3926 open_include_file, finclude, safe_read to cppfiles.c.
3927 Move prototypes for deps_output, append_include_chain,
3928 finclude to cpplib.h. Move definition of struct
3929 file_name_list there also.
3931 * cppfiles.c: New file. Contains all the above functions
3932 broken out of cpplib.c; also hack_vms_include_specification
3933 from cccp.c and find_include_file, a new function broken out of
3936 * Makefile.in (cppmain): Depend on cppfiles.o.
3937 (fix-header): Likewise.
3938 (cppfiles.o): New target.
3939 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3940 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3942 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3944 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3945 if pending_types is non-zero.
3946 (dwarfout_finish): Verify pending_types is zero before finishing.
3948 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3950 * expr.c (convert_move): Use shifts to perform the move if a
3951 suitable extend pattern cannot be found. Code written by
3952 Richard Henderson <rth@cygnus.com>.
3954 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3956 * regclass.c (renumber, regno_allocated): New static variables, moved
3957 out of allocate_reg_info.
3958 (allocate_reg_info): Move these two variables outside the function.
3959 Move code to free memory into new function free_reg_info.
3960 (free_reg_info): New function, broken out of allocate_reg_info.
3961 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3962 * rtl.h (allocate_reg_info): Don't declare.
3963 (free_reg_info): Declare.
3965 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3967 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3969 * toplev.c (compile_file): Temporarily revert last change.
3971 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3973 * c-typeck.c (convert_for_assignment): Parenthesize.
3975 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3977 * reload1.c (delete_output_reload): Avoid ambigous else.
3979 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3981 * toplev.c (compile_file): Call allocate_reg_info to free register
3983 * rtl.h (allocate_reg_info): Declare.
3985 * PROJECTS: Remove entry for local spilling.
3987 * final.c (cleanup_subreg_operands): New function.
3988 (final_scan_insn): Use it.
3989 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3991 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3992 operands when reload has finished.
3993 * reload.h (cleanup_subreg_operands): Declare..
3994 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3995 reload. Handled in reload itself.
3997 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3999 * reload1.c (verify_initial_offsets): New function.
4000 (reload): Call it after reload_as_needed. Also verify that the frame
4001 size stays constant during reload_as_needed.
4002 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
4004 * reload.h (struct insn_chain): Add need_operand_change element.
4005 * reload1.c (new_insn_chain): Clear it.
4006 (calculate_needs_all_insns): Set it; don't overload need_reload.
4007 (reload_as_needed): Use it.
4009 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
4010 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
4011 and reload_address_index_reg_class.
4012 (find_reloads_address_1): Likewise.
4013 * reload.h (reload_address_base_reg_class,
4014 reload_address_index_reg_class): Don't declare.
4015 * reload1.c (reg_old_renumber, pseudo_previous_regs,
4016 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
4017 (used_spill_regs): Now static.
4018 (reload_address_base_reg_class, reload_address_index_reg_class,
4019 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
4020 basic_block_needs, max_needs, group_size, group_mode, max_groups,
4021 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
4024 (init_reload): Delete code to compute base/index reg classes.
4025 (reload): Delete variable J.
4026 Delete code to manage basic_block_needs.
4027 Don't compute regs_explicitly_used.
4028 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
4029 pseudo_previous_regs.
4030 Initialize bad_spill_regs_global.
4031 Don't call order_regs_for_reload here.
4032 Don't initialize spill_reg_order and n_spills.
4033 Don't forbid explicitly used regs to be used for spill regs.
4034 Change main loop to infinite loop, with explicit break statements.
4035 Make SOMETHING_CHANGED variable local to that loop.
4036 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
4037 max_groups_insn, max_nongroups_insn, group_size, group_mode.
4038 Make sure spilled_speudos is cleared before calling spill_hard_reg or
4040 Don't call dump_needs.
4041 Delete code to reset potential_reload_regs.
4042 Delete code to terminate loop conditional on the global needs variables
4043 showing no further needs.
4044 (calculate_needs_all_insns): Return void. All callers changed.
4045 Initialize somehing_needs_elimination here, not in reload.
4046 Delete avoid_return_reg kludge.
4047 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
4048 All callers changed.
4049 Initialize the group_mode and group_size elements of the arg CHAIN.
4050 Delete code to manage basic_block_needs.
4051 Operate on elements of CHAIN instead of global variables.
4052 Delete avoid_return_reg kludge.
4053 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
4054 All callers changed.
4055 Operate on elements of CHAIN instead of global variables.
4056 Delete special SMALL_REGISTER_CLASSES code.
4057 Delete spill_failure code; now in new_spill_reg.
4058 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
4059 All callers changed.
4060 Operate on elements of CHAIN instead of global variables.
4061 (maybe_mark_pseudo_spilled): New static function.
4062 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
4063 All callers changed.
4064 Operate on elements of CHAIN instead of global variables.
4065 Call order_regs_for_reload here, not in reload.
4066 Initialize spill_reg_order and n_spills.
4067 Simplify test whether an asm insn is involved.
4068 Delete spill_failure code; now in new_spill_reg.
4069 Call maybe_mark_pseudo_spilled for everything marked as live in
4070 CHAIN. Merge CHAIN's used_spill_regs into the global variable
4072 (dump_needs): Take CHAIN arg. No longer static, to prevent the
4073 compiler from optimizing this function (now unused) away.
4074 Operate on elements of CHAIN instead of global variables.
4075 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
4077 Operate on elements of CHAIN instead of global variables.
4078 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
4079 take CHAIN arg. All callers changed.
4080 Operate on elements of CHAIN instead of global variables.
4081 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
4082 CHAIN, NONGROUP args. Return void. All callers changed.
4083 Verify caller isn't trying to spill a pseudo.
4084 Simplify test for illegal reg, just use bad_spill_regs.
4085 Generate better error messages.
4086 Operate on elements of CHAIN instead of global variables.
4087 Mark spilled register in CHAIN's used_spill_regs element.
4088 Don't call spill_hard_reg.
4089 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
4090 Mark spilled hard regs in bad_spill_regs_global.
4091 Mark affected pseudos in spilled_pseudos, but don't spill them.
4092 (ior_hard_reg_set): New static function.
4093 (finish_spills): Return int. All callers changed.
4094 Compute spill_reg_order, n_spills and spill_regs here. Also update
4095 regs_ever_live for regs used as spills.
4096 For every pseudo in spilled_pseudos, spill it and mark the previous
4097 hard reg it had in pseudo_previous_regs. Compute which hard regs
4098 arseudo): New static function.
4099 (order_regs_for_reload): Take CHAIN arg. All callers changed.
4100 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
4101 hard registers explicitly used across the current insn into the set.
4102 Compute hard_reg_n_uses taking only pseudos live across this insn
4104 Tweak sorting of potential_reload_regs.
4105 (compare_spill_regs): Delete function.
4106 (reload_as_needed): Don't sort the spill_regs array, it's computed
4107 in proper order in finish_spills.
4108 Delete avoid_return_reg kludge.
4109 Delete code to manage basic_block_needs.
4110 (allocate_reload_reg): Minor speed/readability tweaks.
4111 Operate on elements of CHAIN instead of global variables.
4112 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
4113 Delete avoid_return_reg kludge.
4114 Initialize reload_reg_used from CHAIN's used_spill_regs element.
4115 Delete unused label FAIL.
4116 (reload_combine): Replce reload_address_index_reg_class with
4118 Don't use used_spill_regs to determine information about lifetime of
4121 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
4123 * toplev.c (display_help): Ignore empty target specific
4124 options, and if -W is also specified on the command line then
4125 display undocumented options.
4127 * config/arm/arm.c: Updated with changes in devo sources.
4128 * config/arm/arm.h: Updated with changes in devo sources.
4129 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
4130 * config/arm/lib1thumb.asm: Add ELF support.
4132 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
4134 * collect2.c (aix64_flag): New variable.
4135 (main, case 'b'): Parse it.
4136 (GCC_CHECK_HDR): object magic number must match mode.
4137 (scan_prog_file): Only check for shared object if valid header.
4138 Print debugging if header/mode mismatch.
4140 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
4142 Added support for arm-elf-linux configuration, submitted by Philip
4143 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
4144 code developed by Catherine Moore <clm@cygnus.com>. The following
4147 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
4150 * configure: Regenerated.
4152 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
4153 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
4154 definitions conditional on their not having been already defined.
4156 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
4157 and .type directives, and add "(PLT)" qualification to function
4160 * config/arm/linux.h: Deleted. This file is now superceeded by
4161 either linux-elf.h or linux-aout.h.
4163 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
4164 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
4166 Move definitions from old linux.h file here.
4168 * config/arm/elf.h: New file. Generic ARM/ELF support.
4170 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
4172 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
4174 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
4175 using the 26bit APCS.
4177 * config/arm/unknown-elf.h: New file. Support for OS'es other
4178 than Linux with ELF.
4180 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
4183 * config/arm/coff.h: Include aout.h for basic assembler macros.
4184 Add support for -mstructure_size_boundary=<n> command line option.
4186 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
4187 command line option. Make macro definitions conditional on their
4188 not having been already defined.
4190 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
4191 command line option.
4194 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
4196 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
4197 has been changed to not include a newline. Use this macro instead.
4198 (output_enumeral_list, const_value_attribute, name_attribute,
4199 comp_dir_attribute, prototyped_attribute, producer_attribute,
4200 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
4201 dwarfout_file_scope_decl, generate_new_sfname_entry,
4202 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
4203 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
4205 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
4207 * combine.c (subst): Process the inputs to a parallel asm_operands
4210 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
4212 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
4214 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
4216 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
4218 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
4220 * version.c: Bump for snapshot.
4222 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
4224 * stmt.c (expand_fixup): Set fixup->before_jump to a
4225 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
4227 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4229 * Makefile.in (recog.o): Depend on toplev.h.
4230 (insn-emit.o): Depend on recog.h.
4231 (insn-peep.o): Depend on recog.h and insn-config.h.
4233 * combine.c (simplify_set): Remove unused variable `scratches'.
4235 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
4236 and `idx' in macro conditional controlling their use.
4238 * genemit.c (main): Make the generated output file include
4239 recog.h. Don't have it declare `insn_operand_constraint', since
4240 we get it from recog.h.
4242 * genpeep.c (main): Make the generated output file include
4243 insn-config.h and recog.h.
4245 * recog.c: Include toplev.h.
4246 (extract_insn): Remove unused variable `p'.
4248 * regclass.c (fix_register): Add missing braces around initializer
4250 (allocate_reg_info): Move variable `i' into the scope where it is
4251 used. Change its type to `size_t'.
4253 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4255 * reload.c (push_reload): When merging reloads, make sure
4256 that reload_in_reg and reload_in are from the same reload in
4259 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
4261 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
4262 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
4264 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
4266 * loop.c (loop_has_tablejump): New variable.
4267 (prescan_loop): Scan for it.
4268 (insert_bct): Replace explicit scan with use of it.
4269 * regclass.c (regclass): Restore loop variable j.
4270 (record_reg_classes): Deterine op_types modifiers and initialize
4271 classes[i] before matching constraints. Handle matching
4274 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
4276 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
4279 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4281 * mips.h (EXTRA_SPECS): Add missing initializers.
4283 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4285 * sparc.h (EXTRA_SPECS): Add missing initializers.
4286 (sparc_defer_case_vector): Provide a prototype.
4288 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
4289 comparing it to the result of a pointer subtraction.
4291 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4293 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
4294 the argument to (unsigned char).
4296 * alpha.h (EXTRA_SPECS): Add missing initializers.
4297 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
4300 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
4302 * flow.c (life_analysis_1): Enable "rescan" code after reload.
4303 (propagate_block): Delete dead code after reload.
4305 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
4306 back Oct 15, 1998 change.
4307 * haifa-sched.c (update_flow_info): Likewise.
4308 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
4310 * mn10200.md (truncated shift): Accept constant inputs too.
4312 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
4314 * machmode.h (mode_mask_array): No longer const.
4315 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
4317 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4319 * frame.c: Somewhat explain `FDE'.
4320 Suggested by Brendan Kehoe
4322 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4324 * expr.c (pending_chain): Move up.
4325 (save_expr_status): Do save pending_chain.
4326 (restore_expr_status): And restore it.
4327 * function.h (struct function): Add pending_chain.
4329 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4331 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
4332 did not match the code.
4334 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4336 * regclass.c (regclass): Break out some code into new function
4337 scan_one_insn, and into regclass_init.
4338 (init_cost): New static variable, moved out of regclass.
4339 (regclass_init): Initialize it here, not in .
4340 (scan_one_insn): New static function, broken out of regclass.
4341 * recog.c (apply_change_group): Break out some code into new
4342 function insn_invalid_p.
4343 (insn_invalid_p): New static fn, broken out of apply_change_group.
4345 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
4347 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
4348 reg_reloaded_contents matches incremented pseudo.
4350 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
4352 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4354 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
4355 addressing modes with side effects. These are currently
4356 placeholders for the C4x target.
4358 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4360 * loop.c (express_from): Make sure that when generating a PLUS of
4361 a PLUS, any constant expression appears on the outermost PLUS.
4363 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
4365 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
4366 works if "$(srcdir)" != ".".
4368 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
4370 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
4371 existing SUBREG if we can, otherwise abort.
4373 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
4375 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
4376 `restrict' is applied to a non-pointer variable.
4378 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
4380 * invoke.texi: Document -flang-isoc9x.
4382 * Makefile.in (OBJS): Add splay-tree.o.
4383 (c-common.o): Depend on rtl.h.
4384 (splay-tree.o): List dependencies and provide build rule.
4386 * rtl.h (record_alias_subset): New function.
4387 * alias.c: Include splay-tree.h.
4388 (alias_set_entry): New type.
4389 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
4390 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
4391 (mems_in_disjoin_alias_sets_p): New function.
4392 (alias_set_compare): Likewise.
4393 (insert_subset_children): Likewise.
4394 (get_alias_set_entry): Likewise.
4396 * tree.h (TYPE_RESTRICT): New macro.
4397 (TYPE_UNQUALIFIED): New manifest constant.
4398 (TYPE_QUAL_CONST): Likewise
4399 (TYPE_QUAL_VOLATILE): Likewise.
4400 (TYPE_QUAL_RESTRICT): Likewise.
4401 (tree_type): Add restrict_flag. Reduce count of free bits.
4402 (DECL_POINTER_ALIAS_SET): New macro.
4403 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
4404 (tree_decl): Add pointer_alias_set.
4405 (build_qualified_type): New function.
4406 (build_type_variant): Define in terms of build_qualified_type.
4407 * tree.c (set_type_quals): New function.
4408 (make_node): Initializae DECL_POINTER_ALIAS_SET.
4409 (build_type_attribute_variant): Use build_qualified_type and
4411 (build_type_variant): Rename, and modify, to become...
4412 (build_qualified_type): New function.
4413 (build_complex_type): Use set_type_quals.
4415 * c-tree.h (C_TYPE_OBJECT_P): New macro.
4416 (C_TYPE_FUNCTION_P): Likewise.
4417 (C_TYPE_INCOMPLETE_P): Likewise.
4418 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
4419 (c_apply_type_quals_to_decl): New function.
4420 (c_build_qualified_type): New function.
4421 (c_build_type_variant): Define in terms of c_build_qualified_type.
4422 (flag_isoc9x): Declare.
4423 * c-typeck.c (qualify_type): Use c_build_qualified_type.
4424 (common_type): Change to use TYPE_QUALS.
4425 (comptypes): Likewise.
4426 (convert_for_assignment): Likewise.
4427 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
4428 * c-decl.c (flag_isoc9x): Define.
4429 (c_decode_option): Handle -flang-isoc9x.
4430 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
4431 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
4432 * c-lex.c (init_lex): Deal with restrict.
4433 (init_lex): Don't treat restrict as a reserved word in
4434 -traditional mode, or without -flang-isoc9x.
4435 * c-lex.h (rid): Add RID_RESTRICT.
4436 * c-parse.gperf (restrict, __restrict, __restrict__): Make
4437 equivalent to RID_RESTRICT.
4438 * c-parse.in (TYPE_QUAL): Update comment.
4439 * c-common.c: Include rtl.h.
4440 (c_find_base_decl): New function.
4441 (c_build_type_variant): Rename, and modify, to become ...
4442 (c_build_qualified_type): New function.
4443 (c_apply_type_quals_to_decl): Likewise.
4444 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
4445 a particular alias set for the reference.
4446 * toplev.c (documented_lang_options): Add -flang-isoc9x.
4448 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
4450 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
4451 command line switches.
4453 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
4455 * reload.c (loc_mentioned_in_p): Add missing braces to bind
4458 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
4460 * gcc.c (option_map): Added --classpath and --CLASSPATH.
4462 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
4464 * regclass.c (fix_register): Add error message.
4465 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
4468 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4470 * c-decl.c (warn_missing_noreturn): New global variable.
4471 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
4472 (finish_function): Implement missing noreturn warning.
4474 * c-tree.h (warn_missing_noreturn): Declare extern.
4476 * invoke.texi: Document new flags.
4478 * toplev.c (documented_lang_options): Add description.
4480 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4482 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
4483 loop optimization stable for the C4x.
4484 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
4485 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
4486 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
4488 (c4x_address_conflict): Be more paranoid when packing a volatile
4489 memref in a parallel load/store.
4491 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4493 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
4494 repeat_block_filler): Deleted.
4495 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
4496 Condition code not set if destination register from 'c' class.
4497 (*subbqi3_carry_clobber): Fix typo.
4499 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4501 * reorg.c (steal_delay_list_from_target) Check for insns that
4502 modify the condition codes and effect the direction of the jump
4505 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4507 * function.c (purge_addressof_1): Replace call to
4508 emit_insns_before() with emit_insn_before().
4510 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
4512 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
4514 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4516 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
4518 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4520 * gcse.c (compute_hash_table): Correctly identify hard regs which are
4521 clobbered across calls.
4523 * loop.c (scan_loop): Be more selective about what invariants are
4524 moved out of a loop.
4526 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
4528 * version.c: Bump for snapshot.
4530 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4532 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
4533 static eh_context structure.
4535 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4537 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
4539 (try_combine): Don't update max_scratch.
4540 * flow.c (max_scratch, num_scratch): Delete variables.
4541 (life_analysis_1): Don't initialize max_scratch.
4542 (propagate_block): Don't update max_scratch.
4543 (mark_set_1): Don't increment num_scratch.
4544 * regs.h (max_scratch): Delete declaration.
4546 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
4548 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
4549 is nonzero. This is temporary!
4551 * sched.c (update_flow_info): Handle death notes made invalid by
4552 instruction splitting. Partially reverts Oct 15, 1998 patch.
4553 * haifa-sched.c (update_flow_info): Likewise.
4555 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
4557 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
4558 if it has a nonzero DECL_INITIAL.
4560 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4562 * Makefile.in (flow.o): Depend on recog.h.
4564 * cpplib.h (directive_table): Add missing initializiers.
4565 (finclude): Change type of variable `bsize' to size_t.
4567 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
4569 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
4571 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
4572 `int' when comparing against one.
4573 (cpp_file_line_for_message): Mark parameter `pfile' with
4575 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
4577 * flow.c: Include recog.h.
4578 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
4580 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
4581 `f' with ATTRIBUTE_UNUSED.
4582 (reposition_prologue_and_epilogue_notes): Likewise.
4584 * genopinit.c (gen_insn): Cast argument of ctype functions to
4587 * haifa-sched.c: Include recog.h.
4588 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
4589 comparing against one.
4591 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
4593 * mips-tfile.c (parse_end): Cast the argument of ctype function to
4595 (parse_ent): Likewise.
4596 (parse_input): Likewise.
4598 * optabs.c (init_libfuncs): Likewise.
4600 * protoize.c (find_rightmost_formals_list): Likewise.
4602 * recog.h (const_double_operand): Fix typo in prototype.
4604 * tlink.c (scan_linker_output): Cast the argument of ctype
4605 function to `unsigned char'.
4607 * toplev.c (check_lang_option): Cast the result of `strlen' to
4608 `int' when comparing against one.
4610 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4612 * gcse.c (dump_cuid_table): Correct typo.
4614 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
4616 * toplev.c (display_help): Prepend '-m' to target specific
4618 (check_lang_option): Ignore text after end of first word of a
4619 language specific option.
4621 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4623 * reload1.c (reg_used_by_pseudo): New static variable.
4624 (choose_reload_regs): Initialize it.
4625 Use it instead of testing spill_reg_order to determine whether a
4626 pseudo is live in a hard register across the current insn.
4627 Fix a typo in a reference to reload_reg_rtx.
4629 * flow.c (propagate_block): Replace code that computes and uses
4630 regs_sometimes_live with simpler code that just walks the set of
4631 currently live registers.
4633 * Makefile.in (insn-extract.o): Fix dependencies.
4634 * genextract.c (main): Generate includes for insn-config.h and
4636 Delete generation of declarations which are now in recog.h.
4637 * genrecog.c (main): Delete generation of definitions which are
4639 * local-alloc.c (block_alloc): Use extract_insn and the variables
4640 it sets up instead of looking up values by insn_code.
4641 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
4642 recog_dup_num): Define here instead of generating the definition in
4644 (recog_n_operands, recog_n_dups, recog_n_alternatives,
4645 recog_operand_mode, recog_constraints, recog_operand_address_p):
4647 (extract_insn): New function.
4648 * recog.h (extract_insn): Declare function.
4649 (which_alternative, recog_n_operands, recog_n_dups,
4650 recog_n_alternatives, recog_operand_mode, recog_constraints,
4651 recog_operand_address_p): Declare variables.
4652 * regclass.c (n_occurrences): New static function.
4653 * reload.c (n_occurrences): Delete function.
4654 (find_reloads): Use extract_insn.
4655 * reload.h (n_occurrences): Delete declaration.
4657 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
4659 * reload1.c (reload_as_needed): Fix test for when to call
4660 update_eliminable_offsets.
4662 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4664 Fix consistency problems with reg_equiv_{mem,address};
4665 Improve reload inheritance;
4667 * reload.c (reload_out_reg): New variable.
4668 (loc_mentioned_in_p, remove_address_replacements): New functions.
4669 (remove_replacements): Deleted.
4670 (push_reload): Set reload_out_reg[i].
4671 When merging, also set reload_{in,out}_reg[i], and remove
4672 duplicate address reloads.
4673 (combine_reloads): Copy reload_out_reg[i].
4674 (find_reloads): Do make_memloc substitution also when
4675 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4677 Include *recog_operand_loc in commutativity operand changes.
4678 Generate optional output reloads.
4679 Delete reference to n_memlocs. Don't set *recog_operand_loc before
4680 processing operands. Call make_memloc in reg_equiv_address code.
4681 Set *recog_operand_loc only after processing operands, and only
4682 if replace is true. Return a value.
4683 When changing address reload types for operands that didn't get
4684 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
4685 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
4686 Don't emit USEs for pseudo SUBREGs when not replacing.
4687 (find_reloads_address): Do make_memloc substitution also when
4688 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4690 (find_reloads_toplev): Likewise.
4691 Call make_memloc in reg_equiv_address code.
4692 (debug_reload_to_stream): Add code to output reload_out_reg.
4693 (make_memloc): Delete local variable i, ifdefed out code, and
4694 references to memlocs and n_memlocs.
4695 (memlocs, n_memlocs): Delete.
4696 (push_secondary_reload): Clear reload_out_reg.
4697 (find_reloads_address_1): Provide memrefloc argument to all calls
4698 to find_reloads_address.
4699 In AUTO_INC code, handle non-directly addressable equivalences properly.
4700 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
4701 (find_reloads): Add return type.
4702 (remove_address_replacements, deallocate_reload_reg): Declare.
4703 * reload1.c (num_not_at_initial_offset): No longer static.
4704 (delete_address_reloads, delete_address_reloads_1): Likewise.
4705 (deallocate_reload_reg): New function.
4706 (spill_reg_stored_to): New array.
4707 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
4708 (eliminate_regs_in_insn): Move assignments of previous_offset and
4709 max_offset fields, and recalculation of num_not_at_initial_offset
4710 into new static function:
4711 (update_eliminable_offsets) .
4712 (reload_as_needed): Call update_eliminable_offsetss after calling
4714 Call forget_old_reloads_1 with contents of reloaded auto_inc
4715 expressions if the actual addressing can't be changed to match the
4717 (choose_reload_regs): For inheritance, replace
4718 reload_reg_free_before_p test with reload_reg_used_at_all test, and
4719 remove stand-alone reload_reg_used_at_all test.
4720 Use reload_out_reg to determine which reload regs have output reloads.
4721 Treat reload_override_in more similar to inherited reloads.
4722 Handle (subreg (reg... for inheritance.
4723 For flag_expensive_optimizations, add an extra pass to remove
4724 unnecessary reloads from known working inheritance.
4725 Delete obsolete code for pseudos replaced with MEMs.
4726 Handle inheritance from auto_inc expressions.
4727 (emit_reload_insns): If reload_in is a MEM, set OLD to
4729 Don't reload directly from oldequiv; if it's a pseudo with a
4730 stack slot, use reload_in[j].
4731 Check that reload_in_reg[j] is a MEM before replacing reload_in
4732 from reg_reloaded_contents.
4733 Include non-spill registers in reload inheritance processing.
4734 Also try to use reload_out_reg to set spill_reg_store /
4735 reg_last_reload_reg.
4736 In code to set new_spill_reg_store, use single_set to find out if
4737 there is a single set.
4738 Add code that allows to delete optional output reloads.
4739 Add code to allow deletion of output reloads that use no spill reg.
4740 At the end, set reload_override_in to oldequiv.
4741 Also call delete_output_reload if reload_out_reg is equal to old
4743 Add code to call delete_output_reload for stores with no matching load.
4744 Set / use spill_reg_stored_to.
4745 Handle case where secondary output reload uses a temporary, but
4746 actual store isn't found.
4747 When looking for a store of a value not loaded in order to call
4748 delete_output_reload, count_occurences should return 0 for no
4749 loads; but discount inherited input reloadill_reg_stored_to.
4750 Do checks for extra uses of REG. Changed all
4752 Use delete_address_reloads.
4753 (reload): Take return value of find_reloads into account.
4754 If a no-op set needs more than one reload, delete it.
4755 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4756 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4757 for the same operand.
4758 (clear_reload_reg_in_use): Check for other reloads that keep a
4760 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4761 RELOAD_FOR_OPADDR_ADDR.
4762 Take into account when an address address reload is only needed
4763 for the address reload we are considering.
4764 (count_occurrences): Use rtx_equal_p for MEMs.
4765 (inc_for_reload): Return instruction that stores into RELOADREG.
4766 New argument two, IN, and rtx. Changed all callers.
4767 (calculate_needs_all_insns, reload_as_needed):
4768 Don't clear after_call for a CLOBBER.
4769 Keep track of how many hard registers need to be copied from
4770 after_call, and don't clear after_call before we have seen
4771 that much copies, or we see a different instruction.
4773 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4775 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4776 after reload has completed.
4778 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4780 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4781 a macro name and the next token with a single blank if that whitespace
4782 is in a macro buffer and the next token is not '('.
4784 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4786 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4788 (skip_if_group): Ditto.
4789 (skip_to_end_of_comment): Ditto.
4791 (discard_comments): Ditto.
4792 (change_newlines): Ditto.
4794 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4796 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4798 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4800 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4801 (TARGET_OPTIONS): Add --help documentation.
4803 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4805 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4807 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4809 * fixinc/* Moved in from ../contrib directory in preparation
4810 for integrating it into the normal build process. In particular,
4811 fixinc/Makefile.in must be config-ed into the build directory
4812 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4813 ./configure.in will be "in the mail" momentarily.
4815 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4817 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4818 accidently walk into the free list. Comment how that can happen.
4819 (invalidate): Fix indentation.
4821 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4822 Jeffrey A Law (law@cygnus.com)
4824 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4825 reload. Never perform rescans of the insn chain after reload.
4826 (propagate_block): Do not delete insn or create new autoinc addressing
4829 * jump.c (jump_optimize): Unconditionally use the code that was
4830 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4831 * reload1.c (reload): When reloading is finished, delete all
4832 REG_DEAD and REG_UNUSED notes.
4833 (emit_reload_insns): Delete all code that was conditional on
4834 PRESERVE_DEATH_INFO_REGNO_P.
4835 (no_longer_dead_regs): Delete variable.
4836 (reload_cse_delete_death_notes): Delete function.
4837 (reload_cse_no_longer_dead): Delete function.
4838 (reload_cse_regs_1): Delete all code to handle deletion of death
4840 (reload_cse_noop_set_p): Likewise.
4841 (reload_cse_simplify_set): Likewise.
4842 (reload_cse_simplify_operands): Likewise.
4843 (reload_cse_move2add): Likewise.
4844 * reorg.c (used_spill_regs): Delete declaration.
4845 (max_label_num_after_reload): Delete declaration.
4846 (find_dead_or_set_registers): Don't assume that spill regs are
4847 dead at a CODE_LABEL.
4848 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4850 * sched.c (sched_analyze_insn): Likewise.
4851 (update_flow_info): Likewise.
4852 * haifa-sched.c (sched_analyze_insn): Likewise.
4853 (update_flow_info): Likewise.
4854 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4855 * toplev.c (max_label_num_after_reload): Delete variable.
4856 (rest_of_compilation): Don't set max_label_num_after_reload.
4857 Call life_analysis after reload_cse_regs if optimizing.
4858 * config/gmicro/gmicro.h: Delete comment referring to
4859 PRESERVE_DEATH_INFO_REGNO_P.
4860 * config/i386/i386.h: Likewise.
4861 * config/m88k/m88k.h: Likewise.
4862 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4863 * config/sh/sh.h: Likewise.
4865 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4867 * loop.c (strength_reduce): Restore marking bct_p as
4869 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4870 HAVE_decrement_and_branch_on_count.
4871 (small_data_operand): Remove TARGET_ELF condition for marking
4872 parameters ATTRIBUTE_UNUSED.
4874 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4876 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4877 (SELECT_SECTION): Resync with svr4.h.
4879 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4881 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4884 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4886 * c-pragma.c (handle_pragma_token): Test for null tree before
4887 dereferencing TREE_CODE.
4889 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4891 * config/c4x/c4x.c: Convert to use GEN_INT.
4892 (c4x_parallel_process): Rework to handle new repeat loop structure.
4894 * config/c4x/c4x.md: Convert to use GEN_INT.
4895 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4896 (decrement_and_branch_on_count): Likewise.
4898 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4899 loop.c has the desired functionality.
4900 (rc_reg_operand): New prototype.
4902 * config/c4x/t-c4x: Can now build all front ends.
4904 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4906 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4908 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4910 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4911 * config/t-rtems: Do not install assert.h -- use newlib's.
4913 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4915 * combine.c (combine_instructions): When finished, call init_recog.
4916 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4918 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4920 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4922 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4924 * cppalloc.c (memory_full): Mark function prototype with
4927 * demangle.h (collect_exit): Likewise.
4929 * fix-header.c (v_fatal, fatal): Likewise.
4931 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4934 * gcov.c (print_usage): Likewise.
4936 * genattr.c (fatal, fancy_abort): Likewise.
4938 * genattrtab.c (fatal, fancy_abort): Likewise.
4940 * gencodes.c (fatal, fancy_abort): Likewise.
4942 * genconfig.c (fatal, fancy_abort): Likewise.
4944 * genemit.c (fatal, fancy_abort): Likewise.
4946 * genextract.c (fatal, fancy_abort): Likewise.
4948 * genflags.c (fatal, fancy_abort): Likewise.
4950 * genopinit.c (fatal, fancy_abort): Likewise.
4952 * genoutput.c (fatal, fancy_abort): Likewise.
4954 * genpeep.c (fatal, fancy_abort): Likewise.
4956 * genrecog.c (fatal, fancy_abort): Likewise.
4958 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4959 __sjpopnthrow, __throw): Likewise.
4961 * objc/objc-act.c (objc_fatal): Likewise.
4963 * protoize.c (usage, aux_info_corrupted,
4964 declare_source_confusing): Likewise.
4966 * rtl.c (dump_and_abort): Likewise.
4968 * rtl.h (sets_cc0_p): Likewise.
4970 * toplev.c (float_signal, pipe_closed): Likewise.
4972 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4974 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4975 when generating the decision tree for the general case.
4977 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4978 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4980 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4982 * Makefile.in (sched.o): Depend on recog.h.
4984 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4985 (unsigned) when comparing against one.
4986 (find_base_value): Likewise.
4987 (record_base_value): Cast variable `regno' to (unsigned) when
4988 comparing against one. Cast the result of REGNO() macro to
4989 (unsigned) when comparing against one.
4990 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4992 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4993 variable where an unsigned index is needed.
4995 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4996 before comparing against one.
4998 * collect2.c: Add prototypes for functions `error', `fatal' and
4999 `fatal_perror'. Make these functions take variable arguments
5000 instead of faking it with a fixed number of args.
5001 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
5004 * combine.c (can_combine_p): Mark parameter `pred' with
5006 (find_split_point): Cast variable `src' to (unsigned
5007 HOST_WIDE_INT) when comparing against one.
5008 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
5009 (simplify_logical): Likewise.
5010 (force_to_mode): Cast result of INTVAL() macro to (unsigned
5011 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
5012 HOST_WIDE_INT) in shift.
5013 (simplify_and_const_int): Cast result of INTVAL() macro to
5014 `unsigned HOST_WIDE_INT' when comparing against one.
5015 (merge_outer_ops): Cast variable const0 to `unsigned
5016 HOST_WIDE_INT' when comparing against the result of
5017 GET_MODE_MASK() macro.
5018 (simplify_comparison): Likewise for variable `c0'. Cast variable
5019 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
5020 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
5021 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
5022 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
5023 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
5024 comparing against one.
5025 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
5027 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
5028 macro to `unsigned HOST_WIDE_INT' when comparing against one.
5029 (output_block_move): Cast `sizeof' expression to (int) when
5030 comparing against one.
5031 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
5033 (save_restore_insns): Cast `base_offset' to `long' to match format
5034 specifier in fprintf.
5036 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
5037 to `enum machine_mode'.
5039 * flow.c (life_analysis_1): Remove unused variable `insn'.
5041 * gcc.c (translate_options): Move variables `j' and `k' into the
5042 scope in which they are used. Change their types to `size_t'.
5043 (set_spec): Cast the argument of ctype macro to `unsigned char'.
5044 (read_specs): Likewise.
5045 (process_command): Cast `sizeof' to (int) when comparing against one.
5046 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
5047 (handle_braces): Cast both sides of `==' expression to `long' to
5048 ensure sign matching.
5049 (main): Cast variable `i' to `int' when comparing against one.
5051 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
5052 int to size_t. Cast variable `i' to size_t when comparing against
5055 * genattrtab.c (convert_set_attr_alternative): Remove unused
5056 parameter `insn_code'. All callers changed.
5057 (convert_set_attr): Likewise.
5059 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
5060 size_t when comparing against one. Likewise for variable `len'.
5062 * global.c (global_alloc): Cast variable `max_regno' to size_t
5063 when comparing against one. Likewise for variable `max_allocno'.
5065 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
5067 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
5068 `set' with ATTRIBUTE_UNUSED.
5069 (find_free_reg): Cast `sizeof' expression to (int) when comparing
5072 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
5073 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
5074 (get_condition): Cast variable `const_val' to `unsigned
5075 HOST_WIDE_INT' when comparing against one. Cast unsigned
5076 expression to HOST_WIDE_INT when comparing against one.
5077 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
5078 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
5079 `unsigned' when comparing against one.
5081 * protoize.c (is_id_char): Change type of parameter `ch' to
5083 (munge_compile_params): Cast argument of ctype macro to (const
5085 (process_aux_info_file): Cast variable `aux_info_size' to int when
5086 comparing against one.
5087 (forward_to_next_token_char): Cast argument of ctype macro to
5088 `const unsigned char'.
5089 (edit_formals_lists): Likewise.
5090 (find_rightmost_formals_list): Likewise.
5091 (add_local_decl): Likewise.
5092 (add_global_decls): Likewise.
5093 (edit_fn_definition): Likewise.
5094 (do_cleaning): Likewise.
5095 (scan_for_missed_items): Likewise.
5096 (edit_file): Cast variable `orig_size' to (int) when comparing
5098 (main): Cast argument of ctype macro to `const unsigned char'.
5100 * recog.c (const_int_operand): Mark parameter `mode' with
5103 * regclass.c (record_reg_classes): Change type of variable `c' to
5104 `unsigned char'. Cast `char' array index to `unsigned char'.
5106 * reload.c (push_secondary_reload): Cast argument to
5107 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
5109 * reload1.c (calculate_needs): Cast `char' array index to
5111 (set_label_offsets): Change type of variable `i' to unsigned int.
5112 Cast result of XVECLEN() macro to unsigned when comparing against
5114 (mark_not_eliminable): Change type of variable `i' to unsigned.
5115 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
5116 when comparing against one.
5117 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
5118 comparing against one.
5119 (choose_reload_regs): Hide unused label `fail'.
5120 (reload_cse_simplify_operands): Cast `char' array index to
5122 (reload_combine_note_store): Mark parameter `set' with
5123 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
5125 (reload_cse_move2add): Remove unused variable `src2'.
5127 * sched.c: Include recog.h.
5128 (sched_note_set): Remove unused parameter `b'. All callers
5130 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
5131 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
5132 when comparing against one.
5134 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
5135 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
5136 comparing against one.
5138 * unroll.c (precondition_loop_p): Remove unused parameter
5139 `loop_end'. All callers changed.
5141 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5143 * reload1.c (maybe_fix_stack_asms): New static function.
5146 * reload.h (compute_use_by_pseudos): Declare.
5148 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
5149 (something_needs_reloads): Delete variable.
5150 (finish_spills): New function.
5151 (compute_use_by_pseudos): New function.
5153 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
5154 Use the reload_insn_chain instead of walking the rtl directly.
5156 (reload): Allocate and free spilled_pseudos.
5157 Ensure that all calls of spill_hard_reg are followed by a call to
5159 Use the insns_need_reload list instead of something_needs_reloads
5160 to find out if reload_as_needed must be called.
5161 Clear unused_insn_chains at the end.
5163 (calculate_needs_all_insns): Lose FIRST parameter. All callers
5165 Delete code to keep track of current basic block.
5166 Walk reload_insn_chain instead of the rtl structure. Build the
5167 insns_need_reload chain.
5168 Remember which insns need reloading/elimination by setting the
5169 appropriate fields in struct insn_chain, not by putting modes on the
5172 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
5173 arg INSN. All callers changed.
5174 Delete declaration of struct needs.
5175 Don't set something_needs_reloads.
5176 Record insn needs in the CHAIN argument.
5178 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
5180 (reload_as_needed): Lose FIRST arg. All callers changed.
5181 Walk the reload_insn_chain instead of the rtx structure.
5182 Delete code to keep track of current basic block.
5183 Rename one of the NEXT variables to OLD_NEXT.
5185 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
5187 (choose_reload_regs): Likewise.
5189 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
5192 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
5193 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
5194 (hard_regs_live, hard_regs_need_restore): Delete variables.
5195 (n_regs_saved): Now static.
5196 (referenced_regs, this_insn_sets): New variables.
5198 (setup_save_areas): Restructure the code a bit.
5200 (restore_referenced_regs): Delete function.
5201 (mark_referenced_regs): New function, similar to the old
5202 restore_referenced_regs, but mark registers in referenced_regs.
5204 (clear_reg_live): Delete function.
5205 (mark_set_regs): Renamed from set_reg_live. All callers changed.
5206 Only mark registers in this_insn_sets.
5208 (save_call_clobbered_regs): Rework this function to walk the
5209 reload_insn_chain instead of using the list of instructions directly.
5210 Delete code to keep track of register lives, compute live regs on the
5211 fly from information in the chain.
5212 Instead of calling restore_referenced_regs, use mark_referenced_regs,
5213 then walk the set it computes and call insert_restore as appropriate.
5215 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
5217 Restructure the code a bit. Test hard_regs_saved instead of
5218 hard_regs_need_restore.
5219 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
5220 args. All callers changed.
5221 Restructure the code a bit. Use TO_SAVE to determine which regs to
5222 save instead of more complicated test.
5223 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
5225 Create a new insn_chain structure for the new insn and place it
5228 * rtl.texi: Update documentation to reflect that reload no longer
5229 puts modes on the insns.
5231 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5233 * function.c (purge_addressof_1): Force the first argument of a
5234 CALL insn to memory.
5236 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
5238 * rtl.h: Delete duplicate prototypes. Add some missing
5240 * rtlanal.c: (for_each_rtx): Formatting tweak.
5242 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5244 * real.c (emdnorm and etoasc): Disable round to even for c4x target
5245 to be compatible with TI compiler.
5247 * Makefile.in (USER_H): Add va-c4x.h to definition.
5249 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
5251 * function.c (purge_addressof_1): Fix typo in inequality: do
5252 bitfield optimization for equal mode sizes.
5253 * expmed.c (store_bit_field): Don't take subregs of subregs in
5254 the movstrict case. Tidy a potential problem in the multi-word case.
5255 (extract_bit_field): Likewise.
5257 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5259 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
5261 Compute max_uid_for_flow by calling get_max_uid after the scan.
5262 (find_basic_blocks_1): Don't emit NOPs here.
5264 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
5266 * alias.c (base_alias_check): Accept new args for the modes of the
5267 two references. Use them to determine if an AND can overlap. Update
5269 (memrefs_conflict_p): Assume sizes are aligned, and uses them
5270 to determine if an AND can overlap.
5272 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
5274 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
5275 check. Add comment to document problems with TARGET_SUN_FPA version
5277 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
5279 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5281 * Makefile.in (gencheck.o): Depend on gansidecl.h.
5283 * c-common.c (print_char_table): Add missing initializers.
5284 (scan_char_table): Likewise.
5285 (time_char_table): Likewise.
5287 * c-decl.c (c_decode_option): Mark parameter `argc' with
5289 (declare_parm_level): Mark parameter `definition_flag' with
5292 * c-lex.c (readescape): Use `(unsigned)1' in shift.
5293 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
5296 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
5298 (emit_call_1): Mark parameters `fndecl' and `funtype' with
5300 (expand_call): Cast result of MIN() to (unsigned int) when
5301 comparing against an unsigned value.
5303 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
5305 (make_definition): Remove unused parameter `op'. All callers
5307 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
5308 comparing against the result of pointer arithmetic.
5310 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
5311 when comparing against one.
5313 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
5314 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
5316 (output_die): Move variable `i' into the scope in which it is
5317 used. Change its type to `unsigned'.
5318 (output_die): Cast the result of `strlen' to (int) when passing it
5319 to ASM_OUTPUT_ASCII().
5320 (output_pubnames): Likewise.
5321 (output_line_info): Likewise.
5323 * emit-rtl.c (global_rtl): Add missing initializers.
5325 * explow.c (promote_mode): Mark parameter `for_call' with
5328 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
5329 `unsigned HOST_WIDE_INT' when comparing against one.
5330 (synth_mult): Change type of variable `cost' to int.
5331 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
5333 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
5334 when comparing against one.
5335 (get_inner_reference): Change variable `alignment' to unsigned.
5336 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
5337 int) when comparing against one.
5338 (expand_builtin_setjmp): Change type of variable `i' to size_t.
5340 * fold-const.c (div_and_round_double): Cast BASE to
5341 (HOST_WIDE_INT) when comparing against one.
5343 * gencheck.c: Include gansidecl.h.
5344 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
5346 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
5347 `tcode' with ATTRIBUTE_UNUSED.
5349 * real.c (edivm): Cast constant value to (unsigned long) in
5350 expression compared against an unsigned value.
5352 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
5353 comparing against one.
5354 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
5355 when comparing against one.
5357 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
5358 (unsigned int) when comparing against one. Likewise for
5360 (smallest_mode_for_size): Likewise.
5361 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
5362 (restore_storage_status): Likewise.
5364 * toplev.c (debug_args): Add missing initializer.
5365 (f_options): Spelling correction. Add missing initializers.
5366 (documented_lang_options): Likewise.
5367 (debug_end_source_file): Mark parameter `lineno' with
5370 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
5371 `decl' and `type' with ATTRIBUTE_UNUSED.
5373 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
5374 when comparing against one.
5375 (assemble_variable): Mark parameter `top_level' with
5377 (assemble_external_libcall): Mark parameter `fun' with
5379 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
5382 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
5384 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
5385 Replace use of r5 with use of r19.
5387 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
5389 * config/v850/v850.c (compute_register_save_size): Allow for the
5390 fact that helper functions save all registers, not just those used
5393 Replace constant 31 with macro LINK_POINTER_REGNUM.
5395 * config/v850/v850.md: Use 'indirect_operand' rather than
5396 'memory_operand' for bit test/set/clear patterns.
5398 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
5400 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
5401 * varasm.c (assemble_start_function et al): Don't call
5402 ASM_GLOBALIZE_LABEL for weak symbols.
5404 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
5406 * cse.c (equiv_constant): Check for NULL return from
5407 gen_lowpart_if_possible().
5409 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
5411 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
5413 * collect2.c (main): Pass -EL/-EB through to the compiler.
5415 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5417 * expr.c (push_block): Handle targets where the stack grows
5418 to higher addresses, but args grow to lower addresses and
5419 ACCUMULATE_OUTGOING_ARGS is not defined.
5421 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
5423 * config/v850/v850.c (print_operand): Extend meaning
5424 of 'c' operands to support .vtinherit.
5426 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5428 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
5429 Added ATTRIBUTE_UNUSED to unused function arguments.
5430 (rc_reg_operand): New predicate.
5431 (c4x_rptb_insert): New function.
5432 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
5433 (c4x_optimization_options): New function.
5435 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
5436 (decrement_and_branch_on_count): New pattern.
5437 (rptb_top): Modified pattern to work with BCT optimization.
5439 * config/c4x/c4x.h (RC_REG): New register class.
5440 (rc_reg_operand): Define prototype.
5441 (IS_RC_REG): New macro.
5442 (IS_RC_OR_PSEUDO_REG): New macro.
5443 (IS_RC_OR_PSEUDO_REGNO): New macro.
5444 (OPTIMIZATION_OPTIONS): Define.
5446 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
5448 * collect2.c (extract_init_priority): No priority is 65535.
5450 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5452 * Makefile.in (build_tooldir): new variable, same as old
5453 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
5454 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
5455 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
5457 * configure.in (gxx_include_dir): set default based on unlibsubdir
5458 * Makefile.in (tooldir): ditto
5459 (cccp.o, cpplib.o): use unlibsubdir implicitly through
5460 gxx_include_dir, includedir and tooldir
5461 (protoize.o, unprotoize.o): ditto
5463 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
5465 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
5467 * config/arm/thumb.c (thumb_override_options): Add warning about
5468 PIC code not being supported just yet.
5470 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
5472 * flow.c: Update comment.
5473 (notice_stack_pointer_modification): New static function.
5474 (record_volatile_insns): Use it.
5475 (mark_regs_live_at_end): Mark the stack pointer as alive
5476 at the end of the function if current_function_sp_is_unchanging
5478 (life_analysis_1): Set current_function_sp_is_unchanging.
5479 * function.c: Define it.
5480 (init_function_start): Initialize it.
5481 * output.h: Declare it.
5482 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
5483 the stack pointer as alive at the end of the function if
5484 current_function_sp_is_unchanging is set.
5485 * i386.c (ix86_epilogue): Optimize the restoring
5486 of the stack pointer.
5488 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
5490 * version.c: Bump for snapshot.
5492 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
5494 * c-pragma.c (handle_pragma_token): If passed a token instead
5495 of a tree, use that as the pack value.
5497 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
5499 * flow.c (find_basic_blocks_1): Fix prototype.
5501 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
5503 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
5504 (struct tree_decl): New fields no_check_memory_usage.
5505 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
5506 (init_attributes): Register it as a new attribute.
5507 (decl_attributes): Set flags on functions given that attribute.
5508 * c-decl.c (duplicate_decls): Merge new attribute.
5509 * expr.h (current_function_check_memory_usage): Declare new var.
5510 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
5511 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
5512 current_function_check_memory_usage.
5513 * function.h: Add field to struct function.
5514 * function.c (current_function_check_memory_usage): Define it.
5515 (push_function_context_to, pop_function_context_from): Save and
5517 (expand_function_start): Set it, based on global flag and function
5520 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
5521 check non-automatic variables, to permit detection of writes to
5522 read-only locations in embedded systems without memory management.
5523 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
5524 when emitting chkr_set_right_libfunc call, even if the argument is
5525 BLKmode or variable-sized; don't abort.
5527 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
5528 symbols in Pmode, not VOIDmode.
5530 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5532 * cppexp.c: When forcing unsigned comparisons, cast both sides
5535 * cpphash.h: Move static declaration of hashtab[]...
5536 * cpphash.c: ...here.
5538 * cpplib.c: Cast difference of two pointers to size_t before
5539 comparing it to size_t. Cast signed to unsigned
5540 before comparing to size_t. (FIXME: struct argdata should use
5541 unsigned buffer sizes.)
5542 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
5543 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
5544 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
5545 size_t before comparison.
5547 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
5549 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
5550 (find_basic_blocks_1): Similarly.
5551 * output.h (find_basic_blocks): Fix prototype.
5552 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
5553 find_basic_blocks anymore.
5555 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
5557 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
5558 (sbitmap_free, sbitmap_vector_free): New macros.
5559 * output.h (rtl_dump_file): Declare.
5561 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
5563 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
5565 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5567 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
5569 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
5570 (divide): Remove unused variable `tmp'.
5571 (si_to_float): Cast numeric constant to (SItype) before comparing
5574 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
5576 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
5577 * gcc.c (add_preprocessor_option): Correct typo when allocating
5578 memory, sizeof() argument had one too many `*'.
5579 (add_assembler_option): Likewise.
5580 (add_linker_option): Likewise.
5581 * gcov.c (output_data): Likewise.
5582 * local-alloc.c (memref_used_between_p): Likewise.
5583 (update_equiv_regs): Likewise.
5584 * loop.c (strength_reduce): Likewise.
5585 * reg-stack.c (record_asm_reg_life): Likewise.
5586 (subst_asm_stack_reg): Likewise.
5587 * reorg.c (dbr_schedule): Likewise.
5589 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5591 * flow.c (life_analysis_1): Break out some functions.
5592 (find_basic_blocks_1): Likewise. Also move some variables out and
5594 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
5595 new static var nonlocal_label_list with it.
5596 (active_eh_region, nested_eh_region, label_value_list,
5597 nonlocal_label_list): New static variables.
5598 (make_edges, delete_unreachable_blocks, delete_block): New static
5599 functions, broken out of find_basic_blocks_1.
5600 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
5601 noop_move_p): New static functions, broken out of life_analysis_1.
5603 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
5605 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
5606 Take extra care for op0 now possibly being a subreg.
5607 (extract_bit_field): Likewise.
5608 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
5609 the reg to memory if there is no equal sized integral mode.
5610 * stor-layout.c (int_mode_for_mode): New function.
5611 * machmode.h: Prototype it.
5613 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
5615 * global.c (build_insn_chain): Verify no real insns exist past the
5616 end of the last basic block, then exit the loop.
5618 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5620 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
5622 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
5624 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
5626 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
5628 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
5630 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
5632 * flow.c (find_basic_blocks): Correctly determine when a call
5633 is within an exception region.
5635 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
5637 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
5639 * cpplib.h: Protect from multiple inclusions.
5640 * cpplib.c: Fix minor formatting problems.
5642 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
5644 * jump.c (jump_optimize): Revert accidental patch.
5646 * Makefile.in (cpplib.o): Use unlibsubdir.
5648 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
5650 * loop.c (get_condition): Allow combine when either compare is
5653 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
5655 * version.c: Bump for snapshot.
5657 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
5659 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
5660 (init_lex): Initialize ridpointers[RID_BYREF].
5661 * c-lex.h (enum rid): Add RID_BYREF.
5662 * c-parse.gperf: Add RID_BYREF as a type qualifier.
5663 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
5664 (encode_type_qualifiers): Similarly
5665 * c-gperf.h: Rebuilt.
5667 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
5669 * c-common.c (type_for_mode): Only return TItype nodes when
5670 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5671 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
5672 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5673 (init_decl_processing): Only create TItype nodes when
5674 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5675 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
5676 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5678 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5680 * stmt.c (n_occurrences): New static function.
5681 (expand_asm_operands): Verify that all constrains match in the
5682 number of alternatives.
5683 Verify that '+' or '=' are at the beginning of an output constraint.
5684 Don't allow '&' for input operands.
5685 Verify that '%' isn't written for the last operand.
5686 * reload.c (find_reloads): Abort if an asm is found with invalid
5687 constraints; all possible problems ought to be checked for earlier.
5689 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5691 * flags.h (flag_branch_on_count_reg): Always declare
5692 * toplev.c (flag_branch_on_count_reg): Likewise.
5693 * toplev.c: Fix typos.
5695 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
5698 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
5700 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
5702 (find_basic_blocks_1): Add a nop to the end of a basic block when
5703 a trailing call insn does not have abnormal control flow.
5704 * gcse.c (pre_transpout): New variable.
5705 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
5706 (compute_pre_transpout): Calculate it.
5707 (compute_pre_ppinout): Use it to eliminate impossible placements
5708 due to abnormal control flow through calls.
5709 (compute_pre_data): Call compute_pre_transpout.
5711 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5713 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
5715 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
5717 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
5718 and matching define_insns): Tack on a `use' of the table label, so
5719 flow analysis will recognize a tablejump.
5721 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
5723 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
5724 always end basic blocks for abnormal edge reasons.
5726 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
5728 * config/i386/i386.h: Remove definition of
5729 HANDLE_PRAGMA_PACK_PUSH_POP.
5731 * config/i386/go32.h: Add definition of
5732 HANDLE_PRAGMA_PACK_PUSH_POP.
5734 * config/i386/win32.h: Add definition of
5735 HANDLE_PRAGMA_PACK_PUSH_POP.
5737 * config/i386/cygwin32.h: Add definition of
5738 HANDLE_PRAGMA_PACK_PUSH_POP.
5740 * c-pragma.c (insert_pack_attributes): Do not insert
5741 attributes unless #pragma pack(push,<n>) is in effect.
5743 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
5745 * expr.c (emit_group_store): Handle a PARALLEL destination.
5747 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
5749 * gcse.c (pre_insert_insn): When a call ends a bb, insert
5750 the new insns before the argument regs are loaded.
5752 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5754 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5755 (c-parse.gperf): Update comments describing invocation flags.
5756 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5758 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5760 * reload1.c (reload): Call free before clobbering the memory
5761 locations or constants pointers.
5763 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5765 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5766 for efficiency by checking whether we need to modify the current
5767 stack permission at all.
5768 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5769 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5770 __enable_execute_stack libcall here too if
5771 TRANSFER_FROM_TRAMPOLINE is defined.
5772 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5775 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5777 * Makefile.in (DRIVER_DEFINES): Remove last change.
5779 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5781 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5782 insns we're going to copy.
5783 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5785 * loop.c (count_one_set): Add prototype.
5787 * caller-save.c (restore_referenced_regs): Lose mode argument.
5788 (insert_save): Lose mode argument.
5789 (insert_restore): Lose mode argument.
5790 (insert_one_insn): Lose mode argument.
5791 (save_call_clobbered_regs): Lose mode argument.
5792 (setup_save_areas): Take no argument and return void. All callers
5794 Don't verify validity of memory addresses.
5795 * reload.h (setup_save_ares): Adjust prototype.
5796 (save_call_clobbered_regs): Likewise.
5797 * reload1.c (delete_caller_save_insns): New function.
5798 (caller_save_spill_class): Delete variable.
5799 (caller_save_group_size): Delete variable.
5800 (reload): Call setup_save_areas and save_call_clobbered_regs
5801 in the main loop, before calling calculate_needs_all_insns.
5802 Don't call save_call_clobbered_regs after the loop.
5803 Call delete_caller_save_insns at the end of an iteration if
5805 Delete code to manage caller_save_spill_class.
5806 Emit the final note before setting reload_first_uid.
5807 Simplify test that determines whether reload_as_needed gets run.
5808 (calculate_needs): Delete code to manage caller_save_spill_class.
5810 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5812 * collect2.c (main): Initialize ld_file_name.
5814 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5816 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5817 check for flag_function_sections.
5819 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5821 * cse.c (insert_regs): Fix bug in Sep 24 change.
5823 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5825 * flags.h (flag_dump_unnumbered): Declare.
5826 * toplev.c (flag_dump_unnumbered): Don't declare.
5827 * print-rtl.c (flags.h): Include.
5828 (print_rtl_single): Add return value.
5829 * rtl.h (print_rtl_single): Update declaration.
5830 * flow.c (flag_dump_unnumbered): Don't declare.
5831 (print_rtl_with_bb): Use return value of print_rtl_single.
5833 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5835 * loop.c (count_one_set): New static function, broken out of
5837 (count_loop_regs_set): Call it.
5838 * global.c (mark_reg_store): Handle clobbers here by not calling
5840 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5841 is in fact a clobber.
5842 * integrate.c (process_reg_param): New function, broken out of
5843 expand_inline_function.
5844 (expand_inline_function): Call it.
5847 * i386.md (addsidi3_1): Delete unused variable temp.
5848 (addsidi3_2): Likewise.
5849 (clstrstrsi): Delete unused variable addr1.
5851 * rtl.h: Don't declare any functions also declared in recog.h.
5853 * Makefile.in (stupid.o): Update dependencies.
5854 (global.o): Likewise.
5856 * global.c: Include reload.h
5857 (reg_becomes_live): New function.
5858 (reg_dies): New function.
5859 (build_insn_chain): New function.
5860 (global_alloc): Call build_insn_chain before calling reload.
5862 * reload.h (struct needs): New structure definition.
5863 (struct insn_chain): Likewise.
5864 (reload_insn_chain): Declare variable.
5865 (new_insn_chain): Declare function.
5868 * reload1.c (reload_startobj): New variable.
5869 (reload_insn_chain): New variable.
5870 (unused_insn_chains): New variable.
5871 (new_insn_chain): New function.
5872 (init_reload): Initialize reload_startobj, not reload_firstobj.
5873 (reload): Initialize reload_firstobj.
5874 Before returning, free everything on the reload_obstack.
5876 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5877 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5878 current_chain): New variables.
5879 (reg_where_born): Delete variable.
5880 (REG_WHERE_BORN): New macro.
5881 (find_clobbered_regs): New function.
5882 (stupid_life_analysis): Don't allocate/free reg_where_born.
5883 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5884 reg_where_dead_chain.
5885 Use REG_WHERE_BORN instead of reg_where_born.
5886 While processing the insns, build the reload_insn_chain with
5887 information about register lifetimes.
5888 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5889 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5891 Compute and information about birth and death of pseudo registers in
5892 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5893 Delete code to set elements of reg_where_born.
5895 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5897 * tree.def (GOTO_EXPR): Modified documentation.
5898 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5901 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5903 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5904 loop_final_value, loop_comparison_code): No longer static.
5905 (unroll_loop): Delete loop_start_value update.
5906 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5907 loop_final_value, loop_comparison_code): Extern.
5908 (loop_start_value): Delete extern.
5909 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5910 loop_comparison_value, loop_comparison_code): Delete.
5911 (loop_optimize): Remove initialization for deleted variables.
5912 (strength_reduce): Delete analyze_loop_iterations call. Only call
5913 insert_bct if flag_branch_count_on_reg set.
5914 (analyze_loop_iterations): Delete.
5915 (insert_bct): Remove iteration count calculation. Move checks for
5916 viable BCT optimization to here. Obtain iteration count from
5917 loop_iterations and correct for unrolling. Check for enough
5918 iteration to be beneficial. Comment out runtime iteration count
5920 (insert_bct): Print iteration count in dump file. Remove
5921 loop_var_mode and use word_mode directly.
5923 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5924 * rs6000.c (rs6000_override_options): Use it.
5925 (optimization_options): Enable use of flag_branch_on_count_reg.
5926 * rs6000.md (define_function_unit): Describe 604e.
5928 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5930 * loop.c (move_movables): Corrected threshold calculation for
5931 moved_once registers.
5933 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5935 * loop.c (combine_givs_p): Fix test for identical givs.
5937 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5939 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5940 call abort if the function is already defined.
5942 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5944 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5945 truncation is not a no-op.
5947 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5949 * version.c: Bump for snapshot.
5951 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5953 * version.c: Bump for snapshot.
5955 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5957 * expmed.c (expand_divmod): Don't widen for computing remainder
5958 if we seem to have a divmod pattern for needed mode.
5960 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5962 * cpplib.c (macroexpand): Correct off-by-one error in handling
5965 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5967 * combine.c (expand_field_assignment): Don't do bitwise operations
5968 on MODE_FLOAT; pun to MODE_INT if possible.
5970 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5971 scott snyder <snyder@d0sgif.fnal.gov>
5973 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5974 linker. Recognize mangled names in quotes.
5976 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5978 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5979 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5980 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5981 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5983 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5985 * function.c (purge_addressof_1): If trying to take a sub-word
5986 integral piece of a floating point mode, put it on the stack.
5988 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5990 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5992 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5994 * PROJECTS: Remove template friends.
5996 * collect2.c (sort_ids): Remove unused variable.
5998 * tm.texi (MATH_LIBRARY): Document.
5999 (NEED_MATH_LIBRARY): Remove.
6001 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
6002 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
6004 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
6006 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
6007 last_end to 0x7fffffff.
6009 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6011 * function.c (purge_addressof_1): Do not perform endianness
6012 corrections on bitpos, who we call will do it for us.
6014 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
6016 * h8300.c (WORD_REG_USED): Fix typo.
6017 (initial_offset): Use WORD_REG_USED.
6019 * h8300.c (handle_pragma): Fix typo.
6021 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6023 * caller-save.c (insert_save_restore): Break this function up
6024 into new functions insert_restore, insert_save and insert_one_insn.
6025 All callers changed.
6026 (insert_restore): New function, mostly broken out of
6027 insert_save_restore.
6028 (insert_save): Likewise.
6029 (insert_one_insn): Likewise.
6030 (restore_referenced_regs): New argument BLOCK. All callers changed.
6031 (save_call_clobbered_regs): Don't keep track of basic block boundaries
6032 in this function, do it in insert_one_insn instead.
6034 * reload1.c (reload): Break out some more pieces into separate
6036 (dump_needs): New function, broken out of reload.
6037 (set_initial_elim_offsets): Likewise.
6038 (init_elim_table): Likewise.
6039 (update_eliminables): Likewise.
6041 * global.c (global_alloc): Delete code to manage the scratch_list.
6042 * local-alloc.c (qty_scratch_rtx): Delete.
6043 (scratch_block): Delete.
6044 (scratch_list): Delete.
6045 (scratch_list_length): Delete.
6046 (scratch_index): Delete.
6047 (alloc_qty_for_scratch): Delete.
6048 (local-alloc): Update initialization of max_qty.
6049 Delete code to manage the scratch list.
6050 Delete code to allocate/initialize qty_scratch_rtx.
6051 (block_alloc): Don't allocate quantities for scratches.
6052 Delete code to manage the scratch list.
6053 * regs.h (scratch_list): Delete declaration.
6054 (scratch_block): Delete declaration.
6055 (scratch_list_length): Delete declaration.
6056 * reload1.c (reload): Delete code to manage the scratch list.
6057 (spill_hard_reg): Likewise.
6058 (mark_scratch_live): Delete.
6060 * recog.c (alter_subreg): Delete declaration.
6062 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
6064 * Makefile.in (cccp.o): Fix typo in last patch.
6066 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6068 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
6069 * config/sh/lib1funcs.asm (___set_fpscr): Add.
6071 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
6073 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
6074 NULL_RTX as an argument.
6076 * Makefile.in (unlibsubdir): Define.
6077 (DRIVER_DEFINES): Use unlibsubdir.
6078 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
6079 (stmp-fixinc): Similarly.
6081 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6083 * regmove.c (regmove_optimize): Add variable old_max_uid.
6084 At the end of the function, update basic_block_end.
6086 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6088 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
6089 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
6092 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
6094 * config/arm/arm.c: Improve interworking support.
6096 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6098 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
6099 copied from reload_out[r] .
6101 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
6103 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
6104 with more than three size ranges.
6106 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
6108 * rtl.c (mode_name): Add a null string at the end of the array.
6109 (mode_wider_mode): Change type to unsigned char.
6110 (mode_mask_array): New variable.
6111 (init_rtl): Update for mode_wider_mode type change.
6113 * rtl.h (mode_wider_mode): Change type to unsigned char.
6114 (mode_mask_array): Declare.
6115 (GET_MODE_MASK): Use mode_mask_array.
6117 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
6119 * calls.c (expand_call) : Encapsulate code into
6120 copy_blkmode_from_reg.
6121 * expr.c (copy_blkmode_from_reg): New function.
6122 * expr.h (copy_blkmode_from_reg): New function.
6123 * integrate.c (function_cannot_inline_p): We can inline
6125 (expand_inline_function): Use copy_blkmode_from_reg
6126 if needed. Avoid creating BLKmode REGs.
6127 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
6130 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
6132 * config/v850/v850.c: Add function prototypes.
6133 Add support for v850 special data areas.
6135 * config/v850/v850.h: Add support for v850 special data areas.
6137 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
6138 HANDLE_PRAGMA_PACK_PUSH_POP.
6139 (push_alignment): New function: Cache an alignment requested
6140 by a #pragma pack(push,<n>).
6141 (pop_alignment): New function: Pop an alignment from the
6143 (insert_pack_attributes): New function: Generate __packed__
6144 and __aligned__ attributes for new decls whilst a #pragma pack
6146 (add_weak): New function: Cache a #pragma weak directive.
6147 (handle_pragma_token): Document calling conventions. Add
6148 support for #pragma pack(push,<n>) and #pragma pack (pop).
6150 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
6151 are defined enable HANDLE_PRAGMA_PACK.
6152 Move 'struct weak_syms' here (from varasm.c).
6153 Add pragma states for push and pop pragmas.
6155 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
6158 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
6159 HANDLE_GENERIC_PRAGMAS.
6161 * varasm.c: Move definition of 'struct weak_syms' into
6163 (handle_pragma_weak): Deleted.
6165 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
6167 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
6169 * c-decl.c (start_function): Add invocation of
6170 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
6172 * tm.texi: Remove description of non-existant macro
6173 SET_DEFAULT_SECTION_NAME.
6175 (HANDLE_SYSV_PRAGMA): Document.
6176 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
6178 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
6180 * config.sub: Recognize i[34567]86-pc-udk as new target.
6181 * configure.in: Likewise.
6182 * config/i386/t-udk: New file.
6183 * config/i386/udk.h: New file.
6185 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
6187 * reorg.c (check_annul_list_true_false): Remove unused variables.
6188 (steal_delay_list_from_target): Add missing "used_annul" variable.
6189 (try_merge_delay_insns): Close out half formed comment.
6191 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6193 * cpplib.c (macroexpand): If arg->raw_before or
6194 arg->raw_after, remove any no-reexpansion escape at the
6195 beginning of the pasted token. Correct handling of whitespace
6196 markers and no-reexpand markers at the end if arg->raw_after.
6198 * toplev.c (documented_lang_options): Recognize -include,
6199 -imacros, -iwithprefix, -iwithprefixbefore.
6200 * cpplib.c (cpp_start_read): Process -imacros and -include
6201 switches at the same time and in command-line order, after
6202 initializing the dependency-output code. Emit properly nested
6203 #line directives for them. Emit a #line for the main file
6204 before processing these switches, and don't do it again
6207 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
6209 * function.c (purge_addressof_1): Use bitfield manipulation
6210 routines to handle mem mode < reg mode.
6212 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6214 * reorg.c (try_merge_delay_insns): Account for resources referenced
6215 in each instruction in INSN's delay list before trying to eliminate
6216 useless instructions. Similarly when looking at a trial insn's delay
6219 * reorg.c (check_annul_list_true_false): New function.
6220 (steal_delay_list_from_{target,fallthrough}): Call it and also
6221 refine tests for when we may annul if already filled a slot.
6222 (fill_slots_from_thread): Likewise.
6223 (delete_from_delay_slot): Return newly-created thread.
6224 (try_merge_delay_isns): Use its new return value.
6226 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
6228 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
6229 used to compute a giv or as some other non-counting use.
6231 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6233 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
6234 * local-alloc.c (find_free_reg): Use it.
6235 * global.c (find_reg): Likewise.
6236 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
6238 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
6239 * caller-save.c (init_caller_save): Use it.
6240 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
6242 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6244 * configure.in: Add --enable-cpplib option which uses cpplib
6245 for cpp, but doesn't link cpplib into cc1. Make help text
6246 capitalization consistent.
6247 * configure: Rebuilt.
6249 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
6251 * function.c (gen_mem_addressof): If the address REG is
6252 REG_USERVAR_P make the new REG be so also.
6253 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
6254 in an attempt to clarify slightly.
6256 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
6258 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
6259 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
6261 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
6263 * toplev.c: Fix last patch.
6265 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
6267 * loop.c (get_condition): Fix typo in May 9 change.
6269 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6271 * invoke.texi (-fexceptions): Merge 2 different descriptions.
6273 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6275 * toplev.c (documented_lang_options): Spelling corrections.
6277 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6279 * configure.in: new flags --with-ld and --with-as, equivalent
6280 to setting LD and AS environment variables. Test whether
6281 specified arguments are GNU commands, and report them with
6282 checking messages. Use the specified AS for configure
6285 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
6287 * gcc.c (find_a_file): when looking for `as' and `ld', return
6288 the DEFAULT program if it exists
6289 * collect2.c (main): use DEFAULT_LINKER if it exists
6291 * gcc.c (find_a_file): the test for existence of a full
6292 pathname was reversed
6294 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
6296 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
6297 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
6299 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
6301 * tree.h (TYPE_BINFO): Document.
6303 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
6305 * i386-coff.h (dbxcoff.h): Added.
6307 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
6309 * toplev.c: fix bad patch around flag_data_sections.
6311 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
6313 * reload1.c (reload): Use reload_address_index_reg_class and
6314 reload_address_base_reg_class when setting
6315 caller_save_spill_class. (Patch generated by Jim Wilson:
6318 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
6320 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
6321 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
6322 * expr.c (store_field): Add alias_set parameter. Set the
6323 MEM_ALIAS_SET accordingly, if the target is a MEM.
6324 (expand_assignment): Use it.
6325 (store_constructor_field): Pass 0.
6326 (expand_expr): Likewise.
6328 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
6330 * flags.h: Add flag_data_sections.
6331 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
6332 (compile_file): Error if flag_data_sections not supported.
6333 * varasm.c (assemble_variable): Handle flag_data_sections.
6334 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
6335 * config/mips/elf.h: Likewise.
6336 * config/mips/elf64.h: Likewise.
6337 * invoke.texi: Describe -fdata-sections.
6339 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
6341 * invoke.texi (-ffloat-store): Clarify that this option
6342 does not affect intermediate results -- only variables.
6344 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
6346 * cpp.texi: Update for Fortran usage from Craig.
6348 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
6350 * rs6000.c (function_arg_boundary): Revert accidental change on
6353 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
6355 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
6356 (output_mi_thunk): Declare.
6358 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
6359 (output_function_profiler): Use r12 for temp, instead of r11 so
6360 that we preserve the static chain register.
6362 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
6364 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
6366 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6368 * sh.c (gen_shl_sext): Fix case 5.
6370 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6372 * reload1.c (reload_combine): Re-add line that got accidentally lost.
6374 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6376 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
6377 accessing variables until they are initialized via va_arg().
6379 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6381 * reload1.c (reload_combine): Initialize set before using.
6383 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
6385 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
6388 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
6390 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
6391 operand3 with mask before using it. Patch provided by Jim Wilson.
6393 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6395 * config/sparc/sparc.c (function_value): Perform the equivalent of
6396 PROMOTE_MODE for ARCH64.
6397 (eligible_for_epilogue_delay): Allow DImode operations in delay
6398 slot of a return for ARCH64.
6400 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6402 * sh.md (sqrtsf2): Fix mode of sqrt.
6404 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6406 * reload1.c (choose_reload_regs): Also try inheritance when
6407 reload_in is a stack slot of a pseudo, even if we already got a
6410 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6412 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
6413 (reload_cse_regs): New function body: call reload_cse_regs_1,
6414 reload_combine, reload_cse_move2add.
6415 When doing expensive_optimizations, call reload_cse_regs_1 a
6416 second time after reload_cse_move2add.
6417 (reload_combine, reload_combine_note_store): New functions.
6418 (reload_combine_note_use): New function.
6419 (reload_cse_move2add, move2add_note_store): New functions.
6421 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6423 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
6424 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
6426 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
6427 more than 3 such reloads.
6429 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
6430 RELOAD_FOR_X_ADDR_ADDR reload.
6432 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6434 * expr.c (store_constructor): When initializing a field that is smaller
6435 than a word, at the start of a word, try to widen it to a full word.
6437 * cse.c (cse_insn): When we are about to change a register,
6438 remove any invalid references to it.
6440 (remove_invalid_subreg_refs): New function.
6441 (mention_regs): Special treatment for SUBREGs.
6442 (insert_regs): Don't strip SUBREG for call to mention_regs.
6443 Check if reg_tick needs to be bumped up before that call.
6444 (lookup_as_function): Try to match known word_mode constants when
6445 looking for a norrower constant.
6446 (canon_hash): Special treatment for SUBREGs.
6448 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6450 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
6451 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
6452 defined, emit libcall to __enable_execute_stack. Also fix opcodes
6453 and offsets in actual stack trampoline code so they match the
6454 commentary and actually work.
6456 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6458 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
6460 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
6461 tmake_file. Set extra_parts to needed crt objects.
6462 * configure: Rebuilt.
6463 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
6464 (TARGET_DEFAULT): Set if default is v9 or ultra.
6465 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
6466 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
6467 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
6468 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
6469 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
6470 (TARGET_VERSION): Define.
6471 (MULTILIB_DEFAULT): Define.
6472 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
6473 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
6474 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
6476 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
6477 * config/sparc/sparc.c (sparc_override_options): If arch and
6478 pointer size disagree, emit diagnostic and fix it up. If
6479 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
6480 V8PLUS in 64-bit mode.
6481 * config/sparc/t-linux64: New file.
6482 * config/sparc/t-sol2-64: New file.
6483 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
6484 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
6485 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
6486 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
6487 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
6488 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
6490 (STARTFILE_SPEC): Set approriately based upon those.
6491 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
6492 disposition of DEFAULT_ARCH32_P.
6493 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
6494 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
6495 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
6496 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
6497 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
6499 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
6501 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
6503 * rtl.h (init_virtual_regs): New function.
6504 * emit-rtl.c (init_virtual_regs): Define.
6505 (insn_emit): Use it.
6506 * integrate.c (save_for_inline_copying): Likewise.
6508 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
6510 * config/arm/thumb.h: The following patches were made by Jim Wilson:
6511 (enum reg_class): Add NONARG_LO_REGS support.
6512 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
6513 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
6514 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
6515 completes. Re-enable HImode REG+OFFSET addresses.
6516 (LEGITIMIZE_RELOAD_ADDRESS): Define.
6518 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
6520 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
6522 * alpha.c (get_aligned_mem): Revert Sep 20 change.
6523 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
6524 (alpha_align_insns): Properly calculate initial offset wrt max_align.
6526 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
6528 * arm.c (find_barrier): Revert change of Apr 23. Handle table
6529 jumps as a single entity, taking into account the size of the
6532 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6534 * tree.def (SWITCH_EXPR): New tree node definition.
6536 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
6538 * version.c: Bump for snapshot.
6540 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
6542 * version.c: Bump for snapshot.
6544 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
6546 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
6549 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
6551 * Revert this patch.
6552 * reload.c (find_reloads): Do not replace a pseudo with
6553 (MEM (reg_equiv_addr)) in the initializing insn for the
6556 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
6558 * final.c (final_scan_insn): Disable tracking CC across branches.
6560 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6562 * expr.h (eh_rtime_match_libfunc): New extern declaration.
6563 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
6564 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
6565 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
6566 NULL. Only include <stdio.h> if inhibit_libc is not defined.
6568 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
6570 * toplev.c (rest_of_compilation): Skip compiling anything with
6571 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
6573 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
6575 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
6576 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
6577 use in_libcall_block.
6578 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
6579 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
6582 Mon Sep 21 14:02:23 1998
6584 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
6585 typo in no-fancy-math-387 description.
6587 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
6589 * version.c: Bump for snapshot.
6591 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
6593 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
6595 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
6597 * i386.h: (TARGET_SWITCHES) Add description fields for flags
6598 documented in install.texi.
6599 (TARGET_OPTIONS) Likewise.
6601 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
6603 * version.c: Bump for snapshot.
6605 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
6607 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
6608 * cccp.c (main): Likewise.
6610 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
6611 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
6614 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
6616 * Makefile.in (LIBS): Link in libiberty.a.
6617 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
6619 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
6621 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
6622 it to update bb boundaries. Update caller.
6623 * function.c (reposition_prologue_and_epilogue_notes): Update
6624 bb boundaries wrt the moved note.
6626 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
6628 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
6630 * configure: Regenerate.
6632 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
6634 * alpha.c (alpha_sr_alias_set): New variable.
6635 (override_options): Set it.
6636 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
6637 (mode_mask_operand): Fix signed-unsigned comparision warning.
6638 (alpha_expand_block_move): Likewise.
6639 (print_operand): Likewise.
6640 (get_aligned_mem): Use change_address.
6641 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
6642 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
6643 (alphaev4_next_nop, alphaev5_next_nop): New functions.
6644 (alpha_align_insns): Remade from old alphaev5_align_insns
6645 to handle multiple processors.
6646 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
6647 * output.h (label_to_alignment): Prototype.
6649 * tree.c (new_alias_set): New function.
6650 * tree.h (new_alias_set): Declare it.
6651 * c-common.c (c_get_alias_set): Use it.
6653 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
6655 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
6656 to an ABS expr, convert an unsigned input to signed.
6658 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
6660 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
6662 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6664 * configure.in: Add support for c4x targets.
6665 * configure: Rebuilt.
6667 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
6669 * combine.c (distribute_notes): If an insn is a cc0 user, only
6670 delete it if we can also delete the cc0 setter.
6672 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
6674 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
6675 (invert_truthvalue): Enable truthvalue inversion for
6676 floating-point operands if -ffast-math.
6678 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
6680 * configure.in: Disable collect2 for nextstep. Instead use
6682 * configure: Rebuilt.
6683 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
6684 (ENDFILE_SPEC): Define.
6685 (OBJECT_FORMAT_MACHO): Define.
6686 (EH_FRAME_SECTION_ASM_OP): Define.
6687 * crtstuff.c: Handle MACHO.
6689 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
6691 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
6693 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
6695 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
6696 (_fpadd_parts): Get sign right for 0.
6698 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6700 * ginclude/varargs.h: Add support for C4x target.
6701 * ginclude/stdargs.h: Likewise.
6703 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
6705 * alpha.c (alpha_return_addr): SET should be VOIDmode.
6706 (alpha_emit_set_long_const): Rewrite to be callable from reload
6708 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
6709 * alpha.md (movdi): Likewise.
6711 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
6713 * arm.c (add_constant): New parameter address_only, change caller.
6714 Set it non-zero if taking the address of an item in the pool.
6715 (arm_reorg): Handle cases where we need the address of an item in
6718 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
6720 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
6721 memory addresses that are not in standard canonical form.
6723 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
6725 * README.C4X: New file with information about the c4x ports.
6726 * ginclude/va-c4x.h: New file for c4x varargs support.
6727 * config/c4x: New directory with c4x port files.
6729 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
6731 * reload.c (find_reloads): Do not replace a pseudo with
6732 (MEM (reg_equiv_addr)) in the initializing insn for the
6735 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
6737 * toplev.c (rest_of_compilation): Set bct_p on second call to
6739 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
6741 (strength_reduce): Only call analyze_loop_iterations and
6742 insert_bct if bct_p set.
6743 (check_dbra_loop): Fix typo.
6744 (insert_bct): Use word_mode instead of SImode.
6745 (instrument_loop_bct): Likewise. Do not delete iteration count
6746 condition code generation insn. Initialize iteration count before
6748 * rtl.h (loop_optimize): Update prototype.
6750 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
6751 not doubleword aligned.
6753 * rs6000.c (optimization_options): New function.
6754 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6755 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6756 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6757 first; cr1 can be used for FP record condition insns.
6759 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6761 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6764 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6767 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6769 (block_move_call): New function: Call a library routine to copy a
6771 (m32r_expand_block_move): New function: Expand a "movstrsi"
6772 pattern into a sequence of insns.
6773 (m32r_output_block_move): New function: Expand a
6774 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6775 (m32r_block_immediate_operand): New function: Return true if the
6776 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6778 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6780 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6782 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6784 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6786 * regmove.c (copy_src_to_dest): Check that modes match.
6788 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6790 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6792 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6794 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6795 narrower than FLOAT_REGS.
6797 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6799 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6801 * Makefile.in (old_gxx_include_dir): removed
6803 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6805 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6808 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6809 (sh_handle_pragma): Change function arguments to match new
6810 specification for HANDLE_PRAGMA.
6812 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6814 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6816 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6817 When generating output, initialize missing struct member to zero.
6819 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6821 * regmove.c (copy_src_to_dest): Don't copy if that requires
6822 (a) new register(s).
6824 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6826 * global.c (reg_allocno): Now static.
6827 * reload1.c (reg_allocno): Delete declaration.
6828 (order_regs_for_reload): Take no arguments. Don't treat regs
6829 allocated by global differently than those allocated by local-alloc.
6831 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6833 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6834 condition, fix format strings.
6835 (output_function_epilogue): Likewise.
6837 * m68k/m68k.c: Don't include <stdlib.h> directly.
6839 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6841 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6842 mem_first_set, mem_last_set; because 0 can be a CUID.
6843 (oprs_unchanged_p): Use new definition.
6844 (record_last_reg_set_info): Likewise.
6845 (record_last_mem_set_info): Likewise.
6846 (compute_hash_table): Likewise.
6848 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6850 * rs6000.c (output_epilogue): Handle Chill.
6852 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6853 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6855 * combine.c (make_extraction): If no mode is specified for
6856 an operand of insv, extv, or extzv, default it to word_mode.
6857 (simplify_comparison): Similarly.
6858 * expmed.c (store_bit_field): Similarly.
6859 (extract_bit_field): Similarly.
6860 * function.c (fixup_var_regs_1): Similarly.
6861 * recog.c (validate_replace_rtx_1): Similarly.
6862 * mips.md (extv, extzv, insv expanders): Default modes for most
6863 operands. Handle TARGET_64BIT.
6864 (movdi_uld, movdi_usd): New patterns.
6866 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6867 equivalent memory location unless we have been provided a scratch
6868 register. Similarly do not call find_replacement unless a
6869 scratch register has been provided.
6871 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6873 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6876 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6878 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6879 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6880 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6881 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6882 * c-decl.c (init_decl_processing): Update accordingly.
6883 * expr.c (expand_builtin): Likewise.
6885 * rtl.h (global_rtl): Add cfa entry.
6886 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6887 (LAST_VIRTUAL_REGISTER): Update.
6888 * emit-rtl.c (global_rtl): Add cfa entry.
6889 (init_emit): Initialize it.
6890 * function.c (cfa_offset): New.
6891 (instantiate_virtual_regs): Initialize it.
6892 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6893 (expand_function_end): Call expand_eh_return.
6894 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6896 * except.c (current_function_eh_stub_label): Kill.
6897 (current_function_eh_old_stub_label): Likwise; update all references.
6898 (expand_builtin_set_return_addr_reg): Kill.
6899 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6900 (expand_builtin_set_eh_regs): Kill.
6901 (eh_regs): Produce a third reg for the actual handler address.
6902 (eh_return_context, eh_return_stack_adjust): New.
6903 (eh_return_handler, eh_return_stub_label): New.
6904 (init_eh_for_function): Initialize them.
6905 (expand_builtin_eh_return, expand_eh_return): New.
6906 * except.h: Update prototypes.
6907 * flow.c (find_basic_blocks_1): Update references to the stub label.
6908 * function.h (struct function): Kill stub label elements.
6910 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6911 register number is one that would be in the previous window.
6912 Provide a dummy definition for non-windowed targets.
6913 (get_reg_addr): New function.
6914 (get_reg, put_reg, copy_reg): Use it.
6915 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6916 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6918 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6919 (alpha_init_expanders): Initialize it.
6920 (alpha_expand_epilogue): Use it.
6921 * alpha.h: Declare it.
6922 * alpha.md (eh_epilogue): New.
6924 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6925 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6927 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6929 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6932 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6934 * except.h (struct eh_entry): Add false_label field.
6935 (end_catch_handler): Add prototype.
6936 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6937 (start_catch_handler): When using old style exceptions, issue
6938 runtime typematch code before continuing with the handler.
6939 (end_catch_handler): New function, generates label after handler
6940 if needed by older style exceptions.
6941 (expand_start_all_catch): No need to check for new style exceptions.
6942 (output_exception_table_entry): Only output the first handler label
6943 for old style exceptions.
6944 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6945 mechanism into one function, if a runtime matcher is provided.
6947 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6949 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6951 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6953 * integrate.c (copy_decl_list): Fix typo.
6955 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6957 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6960 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6962 * version.c: Bump for snapshot.
6964 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6966 * version.c: Bump for snapshot.
6968 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6970 * version.c: Bump for snapshot.
6972 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6974 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6976 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6978 * configure.in: remove usage of `!' to negate the result of a
6979 command; some common shells do not support it
6981 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6983 * configure.in: in sparc9-sol2 config, use 'if test' not
6985 * configure: Rebuilt.
6987 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6989 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6990 (CPP_CPU_DEFAULT_SPEC): Likewise.
6991 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6992 for arch64 libfuncs.
6994 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6997 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6999 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
7001 * collect2.c: Don't declare `sys_siglist' here.
7002 (my_strsignal): Prototype and define new function. Use it in
7003 place of `sys_siglist' hacks.
7005 * mips_tfile.c: Likewise.
7007 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
7008 (GCC_NEED_DECLARATIONS): Likewise.
7010 * system.h (strsignal): Prototype it, if necessary.
7011 (sys_siglist): Declare it, if necessary.
7013 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7015 * loop.c (move_movables): While removing insn sequences, preserve
7016 the next pointer of the most recently deleted insn when we skip
7019 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
7021 * objc/config-lang.in: Do not output the name of the selected
7022 thread file when building the front-end. The Makefile for the
7023 runtime library will do this.
7025 * objc/Make-lang.in: Do not build the runtime library or install
7026 the Objective C header files. The Makefile for the runtime
7027 library will do this.
7029 * objc/Makefile.in (all.indirect): Only build the front-end.
7030 (compiler): Rename to `frontend'.
7031 (obj-runtime): Remove target.
7032 (copy-headers): Likewise.
7033 (clean): No need to remove `libobjc.a' any longer.
7035 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
7037 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
7038 supported with -mcpu=xxx.
7040 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7042 * flow.c (mark_set_1): Recognize multi-register structure return
7043 values in CALL insns.
7044 (mark_used_regs): Likewise.
7045 (count_reg_sets_1): Likewise.
7046 (count_reg_references): Likewise.
7047 * rtlanal.c (note_stores): Likewise.
7048 (reg_overlap_mentioned_p): Likewise.
7049 * haifa-sched.c (check_live_1): Likewise.
7050 (update_live_1): Likewise.
7051 (sched_analyze_1): Likewise.
7052 (sched_note_set): Likewise.
7053 (birthing_insn_p): Likewise.
7054 (attach_deaths): Likewise.
7056 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
7059 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
7061 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
7063 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7065 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
7067 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7069 * configure.in: Add check for GAS subsection -1 support.
7070 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
7071 * configure config.in: Rebuilt.
7072 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
7073 SImode is subsection -1 works, else use DImode.
7074 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
7075 subsection -1 works.
7076 * config/sparc/sparc.c (sparc_output_addr_vec,
7077 sparc_output_addr_diff_vec): Use them if defined.
7079 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
7081 * tree.h (DECL_ORIGIN): New macro.
7082 * integrate.c (copy_and_set_decl_abstract_origin): New function.
7083 (copy_decl_list): Use it.
7084 (integrate_parm_decls): Likewise.
7085 (integrate_decl_tree): Likewise.
7086 * dwarf2out.c (decl_ultimate_origin): Simplify.
7087 * dwarfout.c (decl_ultimate_origin): Likewise.
7088 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
7089 (pushdecl): Likewise.
7091 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
7093 * config/rs6000/rs6000.c (output_epilog): Add Java support.
7095 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
7097 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
7099 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
7101 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
7102 empty or has a single entry.
7104 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
7105 before calling reg_to_stack.
7107 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
7109 * alpha.c (alphaev5_insn_pipe): Abort on default case.
7110 (alphaev5_next_group): Swallow CLOBBERs and USEs.
7112 * c-tree.h (warn_long_long): Declare it.
7114 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
7116 * emit-rtl.c (gen_lowpart_common): Disable optimization of
7117 initialized float-int union if the value is a NaN.
7119 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
7121 * c-lex.c (real_yylex): Don't warn about long long constants if
7122 we're allowing long long
7124 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7126 * except.h (current_function_eh_stub_label): Declare.
7127 (current_function_eh_old_stub_label): Declare.
7128 * function.h (struct function): New members eh_stub_label and
7130 * except.c (current_function_eh_stub_label): New variable.
7131 (current_function_eh_old_stub_label): New variable.
7132 (init_eh_for_function): Clear them.
7133 (save_eh_status): Save them.
7134 (restore_eh_status): Restore them.
7135 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
7136 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
7137 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
7138 make an edge from the block that contains it to the block starting
7139 with the label if this label is one of the eh stub labels.
7140 If eh stub labels exist, show they are reachable from the last block
7143 * reload1.c (reload): Break out several subroutines and make some
7145 (calculate_needs_all_insns): New function, broken out of reload.
7146 (calculate_needs): Likewise.
7147 (find_reload_regs): Likewise.
7148 (find_group): Likewise.
7149 (find_tworeg_group): Likewise.
7150 (something_needs_reloads): New global variable, formerly in reload.
7151 (something_needs_elimination): Likewise.
7152 (caller_save_spill_class): Likewise.
7153 (caller_save_group_size): Likewise.
7154 (max_needs): Likewise.
7155 (group_size): Likewise.
7156 (max_groups): Likewise.
7157 (max_nongroups): Likewise.
7158 (group_mode): Likewise.
7159 (max_needs_insn): Likewise.
7160 (max_groups_insn): Likewise.
7161 (max_nongroups_insn): Likewise.
7162 (failure): Likewise.
7164 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
7166 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
7168 * loop.c (load_mems): Copy rtx for output mem.
7170 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
7172 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
7173 mips1 or mips2 either.
7175 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
7177 * pa.c (pa_reorg): New marking scheme for jumps inside switch
7179 (pa_adjust_insn_length): Update to work with new marking scheme
7180 for jumps inside switch tables.
7181 * pa.md (switch_jump): Remove pattern.
7182 (jump): Handle jumps inside jump tables.
7184 * Makefile.in (profile.o): Depend on insn-config.h
7186 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
7188 * iris6.h (DWARF2_UNWIND_INFO): Undef.
7190 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7192 Add preliminary native sparcv9 Solaris support.
7193 * configure.in: Recognize sparv9-*-solaris2*
7194 * configure: rebuilt
7195 * config.sub: Recognize sparcv9 just like sparc64.
7196 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
7197 config/sparc/sol2-cn.asm: Macroize so it can be shared between
7198 32-bit and 64-bit Solaris systems.
7199 * config/sparc/t-sol2: Assemble those with cpp.
7200 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
7201 (*TF*_LIBCALL): If ARCH64 use V9 names.
7202 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
7204 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7206 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
7207 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
7209 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
7211 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
7212 to Pmode if CASE_VECTOR_MODE is something else.
7214 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
7216 * prefix.c (update_path): Correctly handle cases where PATH is
7217 a substring of the builtin prefix, but specifies a different
7220 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
7222 * expr.c: Corrected comment about what MOVE_RATIO does.
7223 * config/alpha/alpha.h: Ditto.
7224 * config/1750a/1750a.h: Ditto.
7225 * config/clipper/clipper.h: Ditto.
7226 * config/i386/i386.h: Ditto.
7228 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
7230 * configure.in (m68k-next-nextstep3*): Use collect2.
7231 Similarly for x86 NeXT configurations.
7232 * configure: Rebuilt.
7234 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
7236 * configure.in: Don't assume srcdir is .../gcc
7237 * configure: Rebuilt.
7239 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
7241 * global.c: Update comments.
7242 (global_alloc): Assign allocation-numbers
7243 even for registers allocated by local_alloc in case
7244 they are later spilled and retry_global_alloc is called.
7245 (mark_reg_store, mark_reg_clobber,
7246 mark_reg_conflicts, mark_reg_death): Always record a
7247 conflict with a pseudo register even if it has been
7248 assigned to a hard register.
7249 (dump_conflicts): Don't list pseudo registers already assigned to
7250 a hard register as needing to be allocated, but do list their
7252 * local-alloc.c: Update comment.
7254 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
7256 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
7257 * configure: Rebuilt.
7259 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
7261 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
7263 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
7264 for all targets that set -msoft-float.
7266 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7268 * toplev.c (print_switch_values): Make static to match prototype.
7270 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
7272 * configure.in: If we are unable to find the "gnatbind" program,
7273 then do not configure the ada subdir.
7274 * configure: Rebuilt.
7276 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
7278 * version.c: Bump for snapshot.
7280 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
7282 * version.c: Bump for snapshot.
7284 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7286 * Makefile.in (toplev.o): Depend on $(EXPR_H).
7287 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
7289 * gansidecl.h: Define ATTRIBUTE_NORETURN.
7291 * genattrtab.c: Have insn-attrtab.c include toplev.h.
7293 * genextract.c: Have insn-extract.c include toplev.h.
7295 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
7297 * toplev.c: Include expr.h.
7298 (really_sorry, fancy_abort): Remove prototypes.
7299 (set_target_switch): Add argument in prototype.
7300 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
7301 (v_really_sorry): Likewise.
7302 (print_version, print_single_switch, print_switch_values): Make
7303 static and add prototype arguments.
7304 (decl_printable_name): Add prototype arguments.
7305 (lang_expand_expr_t): New typedef.
7306 (lang_expand_expr): Declare as a lang_expand_expr_t.
7307 (incomplete_decl_finalize_hook): Add prototype argument.
7308 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
7309 (botch): Likewise for variable `s'.
7310 (rest_of_type_compilation): Mark variables `type' and `toplev'
7311 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
7312 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
7313 (display_help): Make variable `i' an `unsigned long'.
7314 (main): Remove unused parameter `envp'.
7315 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
7316 Cast -1 when comparing it with a `size_t'.
7318 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
7319 prototype with ATTRIBUTE_NORETURN.
7320 (fatal_insn_not_found, fatal_insn, really_sorry,
7321 push_float_handler, pop_float_handler): Add prototypes.
7322 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
7323 (do_abort, botch): Add prototypes.
7325 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
7327 * final.c (final): If a label is reached only from a single jump,
7328 call NOTICE_UPDATE_CC on the jump and its predecessor before
7329 emitting the insn after the label.
7331 * i386.h: Add AMD K6 support.
7332 Change TARGET_* macros to use table lookup.
7333 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
7334 (ADJUST_COST): Change definition to call function in i386.c.
7335 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
7336 * i386.c: Add AMD K6 support.
7337 Add constants for feature tests used by TARGET_* macros.
7338 (split_di): If before reload, call gen_lowpart and gen_highpart.
7339 (x86_adjust_cost): New function.
7340 (put_jump_code): New function.
7341 (print_operand): New codes 'D' and 'd'.
7342 * i386.md: New insn types. New insn attribute "memory".
7343 Redefine scheduling parameters to use new types and add AMD K6
7344 support. Explicitly set type of most insns.
7345 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
7346 Pro and K6 prefer movl $1,reg to incl reg.
7347 (adddi3, subdi3): Set cc_status.
7348 (DImode shift patterns): Change label counters from HOST_WIDE_INT
7349 to int; x86 can't have more than 2^31 DImode shifts per file.
7350 (setcc): Combine all setcc patterns. Allow writing memory.
7351 Combine all jump patterns using match_operator.
7352 (*bzero): Name pattern. Emit mutliple stos instructions when that
7353 is faster than rep stos.
7354 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
7357 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
7359 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
7362 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
7364 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
7365 not whatever we're generating now.
7367 * alpha.c (set_frame_related_p, FRP): New.
7368 (alpha_expand_prologue): Mark frame related insns.
7369 (alpha_expand_epilogue): Likewise, but with a null FRP.
7370 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
7371 * alpha.md (exception_receiver): New.
7372 * alpha/crtbegin.asm (.eh_frame): New beginning.
7373 (__do_frame_setup, __do_frame_takedown): New.
7374 * alpha/crtend.asm (.eh_frame): New ending.
7375 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
7376 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
7377 (ASM_FILE_START): Don't emit .file for dwarf2.
7379 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
7380 * rtl.c (reg_note_name): Likewise.
7381 * rtl.texi (REG_NOTES): Likewise.
7382 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
7385 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
7387 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
7388 * i386.md (movsf, movdf, movxf): Validate memory address returned
7389 from force_const_mem. Kill useless REG_EQUAL setting code.
7391 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
7393 * m68k.md (zero_extendsidi2): Fix typo.
7395 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
7397 * configure.in: Removed references to the removed file
7398 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
7399 * arm*-*-netbsd* and ns32k-*-netbsd*.
7400 * config/i386/xm-netbsd.h: Removed unnecessary file.
7401 * config/m68k/xm-netbsd.h: Likewise.
7402 * config/sparc/xm-netbsd.h: Likewise.
7403 * config/mips/xm-netbsd.h: Likewise.
7405 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
7407 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
7408 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
7410 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
7411 for exact section attributions.
7413 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
7415 * i386/crtdll.h (CPP_PREDEFINES): Define.
7417 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
7419 * m68k.md (5200 movqi): Do not allow byte sized memory references
7421 * m68k.c (output_move_qimode): Do not use byte sized operations on
7424 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
7425 explicit rules for building. Similarly for alloca, vfprintf,
7426 choose-temp and mkstemp, getopt, getopt1, and obstack.
7427 (INCLUDES): Add $(srcdir)/../include.
7428 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
7429 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
7431 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
7433 * gcc.c (do_spec_1): [case 'o'] Account for
7434 lang_specific_extra_outfiles.
7435 (main): Correctly clear all slots in outfiles for
7436 lang_specific_extra_outfiles. Set input_file_number before
7437 calling lang_specific_pre_link.
7439 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
7441 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
7443 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7445 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
7447 (sparc_output_deferred_case_vectors): If no work to do, return.
7448 Fix thinko in Sept 1 change.
7450 1998-09-03 SL Baur <steve@altair.xemacs.org>
7452 * Makefile.in: add semicolon in BISON definition for portability.
7454 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
7456 * config/nextstep.c (handle_pragma): Correct name of third
7459 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
7461 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
7462 * config/m32r/m32r.h: Make register 17 be fixed.
7463 * config/m32r/m32r.c: Use SImode for cc operations.
7465 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
7467 * invoke.texi (Warning Options): Add -Wnon-template-friend
7470 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
7472 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
7474 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
7476 * rs6000.md (movsf): Disable explicit secondary-reload-like
7477 functionality if TARGET_POWERPC64.
7478 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
7481 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
7483 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
7484 and term.h from fixinc.wrap.
7486 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7488 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
7489 safe to include both string.h and strings.h together.
7490 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
7491 which headers to search for function declarations. Continue to
7492 prefer string.h over strings.h when both are not acceptable.
7494 * acconfig.h (STRING_WITH_STRINGS): Add stub.
7496 * configure.in: Call GCC_HEADER_STRING.
7498 * system.h: Test STRING_WITH_STRINGS when deciding which headers
7499 to include. Continue to prefer string.h over strings.h when both
7502 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7504 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
7505 not assume top 32-bits of symbolic addresses are zero if
7508 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
7510 * ginclude/va-alpha.h: Protect entire second portion of the
7511 file against double inclusion.
7513 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
7515 Added support for the Boehm's garbage collector.
7516 * configure.in: Handle --enable-objc-gc.
7517 * configure: Rebuilt.
7518 * Makefile.in (CHECK_TARGETS): Add check-objc.
7519 (check-objc): New rule.
7520 * objc/Make-lang.in: Build a different Objective-C library that
7521 runs with the Boehm's collector.
7522 * objc/encoding.c (objc_round_acc_size_for_types): New function.
7523 * objc/encoding.c: Correctly compute the size of compound types in
7524 the presence of bitfields. Skip the variable name of the type if
7525 any. Added support for long long.
7526 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
7527 (_F_GCINVISIBLE): New mask.
7528 * objc/gc.c: New file. Compute the type memory mask associated with
7529 a class based on the runtime information.
7530 * objc/misc.c: Added the hooks that use the Boehm's collector
7531 allocation functions.
7532 * objc/objc-act.c (build_class_template): Generate a new class
7533 member (gc_object_type) to hold the class' type memory mask.
7534 (build_shared_structure_initializer): Initialize the new member to
7536 (encode_complete_bitfield): New function. Generate the new
7538 (encode_field_decl): Generate the new encoding only for the GNU
7540 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
7542 (class_get_gc_object_type): New function to mark a pointer instance
7543 variable as a weak pointer.
7544 * objc/objc-features.texi: New file.
7545 * objc/objc.h (gc_object_type): New class member.
7546 * objc/objects.c (class_create_instance): Create a typed memory
7547 object when compiled with Boehm's collector support.
7548 * objc/sendmsg.c (__objc_init_install_dtable): Call
7549 __objc_send_initialize instead of setting the initialize flag.
7550 (__objc_send_initialize): Call __objc_generate_gc_type_description
7551 to generate the class type memory mask. Rewrite the code that
7552 sends the +initialize so that it is called only once (bug report
7553 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
7554 * testsuite/objc: New testsuite for Objective-C type encoding.
7555 * testsuite/lib/objc-torture.exp: New file.
7556 * testsuite/lib/objc.exp: New file.
7558 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
7560 * jump.c (jump_optimize): In if/then/else transformations, add
7561 another call to modified_between_p for the jump insn.
7563 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
7565 * fix-header.c (symlink): Treat like readlink.
7567 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7569 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
7572 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
7574 * config/nextstep.h: Update HANDLE_PRAGMA macro.
7575 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
7576 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
7578 * config/nextstep.c (handle_pragma): Take three arguments, as per
7579 the new HANDLE_PRAGMA macro specification.
7580 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
7581 per the new HANDLE_PRAGMA macro specification.
7582 * config/i960/i960.c (process_pragma): Take three arguments, as
7583 per the new HANDLE_PRAGMA macro specification.
7585 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
7587 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
7588 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
7589 if unknown pragmas are encountered.
7590 (handle_sysv_pragma): Interpret return code from
7591 handle_pragma_token (). Return success/failure indication rather
7592 than next unprocessed character.
7593 (pragma_getc): New function: retrieves characters from the
7594 input stream. Defined when HANDLE_PRAGMA is enabled.
7595 (pragma_ungetc): New function: replaces characters back into the
7596 input stream. Defined when HANDLE_PRAGMA is enabled.
7598 * c-pragma.c (handle_pragma_token): Return success/failure status
7601 * c-pragma.h: Change prototype of handle_pragma_token().
7603 * varasm.c: (handle_pragma_weak): Only create this function if
7604 HANDLE_PRAGMA_WEAK is defined.
7606 * c-common,c (decl_attributes): If defined call the expression
7607 contained within the INSERT_ATTRIBUTES macro before adding
7608 attributes to a decl.
7610 * tm.texi (HANDLE_PRAGMA): Document the new verion of
7611 HANDLE_PRAGMA, which takes three arguments.
7612 (INSERT_ATTRIBUTES): Document this new macro.
7614 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
7615 new INSERT_ATTRIBUTES macro.
7617 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7619 * config/sparc/sparc.md (movdf): Only generate special RTL for
7620 LABEL_REFs when PIC.
7621 (move_label_di): Remove
7622 (movdi_pic_label_ref, movdi_high_pic_label_ref,
7623 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
7624 references when PIC.
7625 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
7626 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
7627 output an .xword for all 64-bit cases.
7629 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7631 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
7632 alignment, use FUNCTION_BOUNDARY instead.
7633 (sparc_output_deferred_case_vectors): Likewise.
7635 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7637 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
7638 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
7640 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
7642 * alpha/va_list.h: New file.
7643 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
7645 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
7647 * NEWS: Add SCO Openserver and Unixware 7 notes.
7651 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
7653 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
7654 (record_constant_1): Handle RANGE_EXPR.
7656 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
7658 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
7659 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
7660 and NOTE_INSN_RANGE_END specially.
7661 (reemit_notes): Likewise.
7663 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7665 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
7666 (ultrasparc_sched_init): Remove unneeded &.
7668 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7670 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
7671 for m68020-60, to prevent the use of fintrz.
7673 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
7675 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
7677 * Makefile.in: Likewise.
7678 * configure: Regenerated.
7680 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
7682 * configure.in (gxx_include_dir): Changed to
7683 '${prefix}/include/g++'-${libstdcxx_interface}.
7684 * configure: Rebuilt.
7686 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
7688 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
7690 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
7691 *sequences* *below* which scalar moves will be used.
7693 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
7695 * collect2.c (mktemp): Delete unused declaration.
7697 * config/xm-netbsd.h: Remove unnecessary file.
7698 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
7699 file anymore, it is not needed.
7701 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
7703 * convert.c (convert_to_integer): Issue an error on conversions to
7706 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
7708 * Makefile.in: Add lang_tree_files and gencheck.h.
7709 * configure.in: Generate them.
7710 * gencheck.c: Include gencheck.h.
7712 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7714 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
7715 movdi_lo_sum_pic and movdi_high_pic and make visible.
7716 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
7717 emit these when Pmode is not SImode.
7718 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
7720 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
7722 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
7723 .linkonce directive after the first time.
7725 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
7727 * m68k.md (beq0_di): Generate correct (and more efficient) code when
7728 the clobbered operand overlaps with an input.
7729 (bne0_di): Similarly.
7731 * Makefile.in (INSTALL): Remove "--no-header" argument.
7733 * NEWS: Various updates.
7735 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7737 * config/sparc/sparc.c (arith_operand, const64_operand,
7738 const64_high_operand, arith_double_4096_operand): Mark mode as
7740 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
7742 (sparc_emit_set_const64): Remove unused variable i.
7743 (sparc_splitdi_legitimate): Likewise for addr_part.
7744 (ultra_code_from_mask): Likewise for mask.
7745 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
7746 reverse return values so it matches usage and comments.
7747 (ultra_flush_pipeline): Likewise.
7748 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
7749 this_type, and allow loads and stores of differing FP modes as
7750 they do not create a conflict.
7751 (ultra_find_type): Initialize fpmode to SFmode, fix
7752 parenthesization thinkos in large conditional.
7753 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7754 Init free_slot_mask after ultra_cur_hist is reset, not before.
7755 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7756 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7757 use ultra_flush_pipeline instead, then re-init group pointer.
7758 Fix statement with no effect. If no progress made in, and no
7759 instructions scheduled at all, advance to new pipeline cycle else
7760 we get into an endless loop.
7761 (ultrasparc_adjust_cost): Remove previous arg.
7762 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7764 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7766 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7767 code. Use reg_overlap_mentioned_p to detect when source and
7768 destination overlap.
7769 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7771 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7773 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7774 COMPARISON_VAL, into invariant_p.
7776 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7778 * regmove.c (regclass_compatible_p): New function.
7779 (regmove_optimize): Use it.
7781 Use NREGS parameter insted of calling max_reg_num.
7783 (fixup_match_1): Don't use code = MINUS when later tieing with
7784 a hard register is likely.
7786 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7788 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7789 COMPARISON_VAL was normalized.
7791 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7793 * loop.c (check_dbra_loop): The loop ending comparison value
7794 must be an invariant or we can not reverse the loop.
7796 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7797 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7799 (load_mems_and_recount_loop_regs_set): Likewise.
7801 * i386.c (print_operand): Remove obsolete 'c' docs.
7803 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7805 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7806 * frame.c (init_object_mutex): New function.
7807 (init_object_mutex_once): Likewise.
7808 (find_fde): Call it.
7809 (__register_frame_info): Likewise.
7810 (__register_frame_info_table): Likewise.
7811 (__deregister_frame_info): Likewise.
7813 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7815 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7817 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7819 * loop.c (check_dbra_loop): Enable code for reversal
7820 of some loops without a known constant loop end.
7822 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7824 * haifa-sched.c (last_clock_var): New.
7825 (schedule_block): Initialize it.
7826 (schedule_insn): Use it to fill insn modes with issue information.
7828 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7829 Tag trapb and next insn with TImode.
7830 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7831 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7832 Invoke alphaev5_align_insns as appropriate.
7833 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7834 (MD_SCHED_VARIABLE_ISSUE): New.
7835 * alpha.md (attr type): Add multi.
7836 (define_asm_attributes): New.
7837 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7838 (arg_home): Likewise.
7839 (fnop, unop, realign): New.
7841 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7843 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7844 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7846 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7847 (rs6000-ibm-aix4.[12]*): Likewise.
7848 * configure: Regnerate.
7850 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7852 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7853 already contains the return address.
7855 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7857 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7858 word sized hunks when loading unaligned args into registers.
7860 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7861 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7863 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7865 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7867 * loop.c (check_dbra_loop): Add some code that would allow reversal
7868 of some loops without a known constant loop end if it were enabled.
7870 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7872 * mips.md (lshrsi3_internal2+2): Fix type-o.
7874 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7876 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7877 correctly with regards to stdio.h.
7879 * calls.c: Remove stdarg.h/varargs.h.
7882 * combine.c: Likewise.
7883 * cpperror.c: Likewise.
7884 * cpplib.c: Likewise.
7885 * cpplib.h: Likewise.
7886 * doprint.c: Likewise.
7887 * emit-rtl.c: Likewise.
7888 * final.c: Likewise.
7889 * fix-header.c: Likewise.
7891 * genattr.c: Likewise.
7892 * genattrtab.c: Likewise.
7893 * gencodes.c: Likewise.
7894 * genconfig.c: Likewise.
7895 * genemit.c: Likewise.
7896 * genextract.c: Likewise.
7897 * genflags.c: Likewise.
7898 * genopinit.c: Likewise.
7899 * genoutput.c: Likewise.
7900 * genpeep.c: Likewise.
7901 * genrecog.c: Likewise.
7902 * mips-tfile.c: Likewise.
7903 * prefix.c: Likewise.
7904 * protoize.c: Likewise.
7905 * regmove.c: Likewise.
7906 * toplev.c: Likewise.
7909 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7911 * config/sparc/sparc.c (sparc_override_options): If not
7912 TARGET_FPU, turn off TARGET_VIS.
7913 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7914 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7915 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7916 (movdi_insn_sp64): Add VIS fzero alternative.
7917 (clear_sf, clear_df): New VIS patterns.
7918 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7920 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7922 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7924 * loop.c (n_times_set, n_times_used, may_not_optimize,
7925 reg_single_usage): Convert to varrays. All uses changed.
7926 (insert_loop_mem): Return a value.
7927 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7928 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7931 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7934 * configure.in: Do not set thread_file to "irix" since no such
7937 * sparc.md (float abs/neg splits): Check reload_completed before
7938 calling alter_subreg.
7940 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7942 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7944 * config/sparc/sparc.h: Declare it.
7945 * config/sparc/sparc.md (float abs/neg splits): Use it.
7946 (all other splits): Handle SUBREGs properly where necessary.
7947 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7949 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7951 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7952 an insn on the unfilled_slots_list that has no delay slots.
7953 (fill_eager_delay_slots): Similarly.
7955 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7957 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7958 as an ordinary operand.
7960 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7962 * tree.c (valid_machine_attribute): Don't apply attributes to both
7965 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7967 * reload.c (operands_match_p): Handle rtvecs.
7969 * i386.c (legitimate_pic_address_disp_p): New.
7970 (legitimate_address_p): Use it.
7971 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7972 Handle constant pool symbols just like statics.
7973 (emit_pic_move): Use Pmode not SImode for clarity.
7974 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7975 [UNSPEC]: New, handling what we killed above.
7976 [PLUS]: Detect and abort on invalid symbol arithmetic.
7977 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7979 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7981 * alias.c: Include output.h.
7982 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7983 different if we're in a varargs function.
7984 * Makefile.in (alias.o): Depend on output.h
7986 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7988 * sh.h (GIV_SORT_CRITERION): Delete.
7990 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7992 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7993 * stupid.c (stupid_life_analysis): Ditto.
7994 * reload1.c (reload): Ditto.
7996 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7998 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7999 arith_double_4096_operand, arith_double_add_operand): New
8001 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
8002 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
8003 them to transform add/sub 4096 into add/sub -4096.
8005 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8007 * loop.c (scan_loop): Allocate some slop to handle pseudos
8008 generated by move_movables.
8009 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
8012 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
8014 * tree.def (DECL_RESULT): Correct documentation.
8016 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8018 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
8019 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
8020 conflicts will all RELOAD_FOR_OUTPUT reloads.
8022 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
8023 loads the function result, substitute with a USE.
8025 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
8027 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
8028 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
8029 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
8030 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
8031 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
8032 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
8034 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
8035 'o' to 'm' for GPR variant constraints.
8037 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
8039 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
8041 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
8043 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
8044 when the source and destination overlap.
8046 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
8047 clash with global type.
8049 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
8051 * fixinc.irix: Add curses.h handling from fixinc.wrap.
8053 * c-common.c (combine_strings): Also set TREE_READONLY.
8054 Change warn_write_strings to flag_const_strings.
8055 * c-decl.c, c-tree.h: Likewise.
8057 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8059 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
8060 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
8061 sequence, use SET/IOR instead so CSE can see it.
8062 * config/sparc/sparc.md (movhi_const64_special,
8063 movsi_const64_special): New patterns necessitated by that change.
8064 (movhi_high): Remove.
8065 (movhi_lo_sum): Change to match an IOR.
8066 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
8067 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
8068 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
8069 (movdf splits): Allow when not V9 or when not ARCH64 and integer
8070 registers are involved.
8071 (snesi_zero_extend split): Remove reload_completed test.
8072 (unnamed plus and minus zero_extend sidi splits): Add it.
8074 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
8076 * extend.texi: Remove description of extension to explicit
8077 instantiation that is now endorsed by standard C++.
8079 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8081 * config/arc/arc.c (arc_initialize_pic): Remove.
8082 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
8083 nothing on any platform and is invoked by no-one, it does not even
8084 appear in the documentation.
8085 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
8086 * config/sparc/sparc.c (initialize_pic): Likewise.
8087 (find_addr_reg): Remove this as well, no longer referenced after
8090 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
8092 * recog.c (validate_replace_rtx_group): New function.
8093 * recog.h (validate_replace_rtx_group): Declare it.
8094 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
8095 the entire group of substitutions.
8097 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
8099 * loop.c (load_mems): Fix initializers.
8101 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8103 * config/sparc/sparc.md (TFmode splits): Handle destination
8104 registers being referenced in the address correctly.
8106 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
8107 TREE_UNSIGNED, when bitsize of type's mode is larger than
8108 HOST_BITS_PER_WIDE_INT.
8110 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8112 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
8113 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
8114 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
8116 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
8119 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
8121 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
8122 * h8300.h (TINY_DATA_NAME_P): Likewise.
8123 (STRIP_NAME_ENCODING): Handle '&'.
8125 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
8126 register (it could be accessed via an outer SUBREG).
8127 (REG_OK_FOR_BASE_P): Likewwise.
8128 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
8130 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
8133 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
8135 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8137 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
8138 must be offsettable so the splits can be made.
8140 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
8142 * config/i386/winnt.c: Include system.h, not stdio.h to get
8143 sys/param.h pulled in before rtl.h in case the system defines MIN
8146 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
8148 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
8150 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
8152 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
8154 * cpplib.c (cpp_define): Handle macros with parameters.
8156 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
8158 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
8159 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
8160 and DImode 64-bit. Use llong for minimal-toc SFmode and
8161 SYMBOL_REF / LABEL_REF 64-bit.
8162 (output_function_profiler): Use llong for profiler label and ld to
8163 load 64-bit label address.
8165 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
8167 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
8170 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
8172 * version.c: Bump for snapshot.
8174 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
8176 * version.c: Bump for snapshot.
8178 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
8180 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
8182 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
8184 * tm.texi (Misc): Fix typo "teh".
8186 * tm.texi (PIC): Fix typo "PPIC".
8188 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
8189 effect when -O2 and higher.
8190 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
8192 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
8194 * regclass.c: Changed register set documentation to be consistent
8197 * final.c (final_start_function) Removed redundant test for
8200 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
8202 * rtl.h (rtx_function): New type.
8203 (for_each_rtx): New function.
8204 * rtlanal.c (for_each_rtx): Define it.
8206 * recog.c (change_t): New type.
8207 (change_objects, change_old_codes, change_locs, change_olds):
8209 (changes): New variable.
8210 (validate_change): Dynamically allocate room for more changes, if
8211 necessary. Uses changes array instead of change_objects, etc.
8212 (apply_change_group): Use changes array instead of
8213 change_objects, etc.
8215 * loop.c (loop_mem_info): New type.
8216 (loop_mems): New variable.
8217 (loop_mems_idx): Likewise.
8218 (looop_mems_allocated): Likewise.
8219 (scan_loop): Remove nregs parameter.
8220 (next_insn_in_loop): New function.
8221 (load_mems_and_recount_loop_regs_set): Likewise.
8222 (load_mems): Likewise.
8223 (insert_loop_mem): Likewise.
8224 (replace_loop_mem): Likewise.
8225 (replace_label): Likewise.
8226 (INSN_IN_RANGE_P): New macro.
8227 (loop_optimize): Don't pass max_reg_num() to scan_loop.
8228 (scan_loop): Remove nregs parameter, compute it after any new
8229 registers are created by load_mems. Use INSN_IN_RANGE_P and
8230 next_insn_in_loop rather than expanding them inline. Call
8231 load_mems to load memory into pseudos, if appropriate.
8232 (prescan_loop): Figure out whether or not there are jumps from the
8233 loop to targets other than the label immediately following the
8234 loop. Call insert_loop_mem to notice all the MEMs used in the
8235 loop, if it could be safe to pull MEMs into REGs for the duration
8237 (strength_reduce): Use next_insn_in_loop. Tweak comments.
8239 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
8241 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
8243 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8245 * config/sparc/sparc.c (finalize_pic): Check for the correct
8246 nonlocal_goto_receiver UNSPEC number.
8247 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
8248 making note of this dependency existing in sparc.c
8249 (negtf2_notv9 split): Give NEG SFmode.
8250 (negsf2): Fix insn output string.
8252 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
8254 * c-common.c (decl_attributes): Issue an error if the argument
8255 to alias is not a string.
8257 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
8259 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
8260 pending memory flush list.
8262 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
8264 (try_combine): Allow combining insns with REG_LIBCALL notes.
8266 * expr.c (emit_block_move): Do not call memcpy as a libcall
8267 instead build up a CALL_EXPR and call it like any other
8269 (clear_storage): Similarly for memset.
8271 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
8274 * Makefile.in (cplus-dem.o): Provide explicit rules for building
8277 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
8278 and REG_LIVE_LENGTH as successful substitutions are made.
8280 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8282 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
8283 statement after end of loop label.
8285 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8287 * config/sparc/sparc.c (ultra_types_avail): New variable.
8288 (ultra_build_types_avail): New function to record mask of insn
8289 types in ready list at this cycle.
8290 (ultrasparc_sched_reorder): Call it.
8291 (ultra_find_type): Use it to quicken the search. Also simplif
8292 dependency check, don't use rtx_equal_p because we know exactly
8293 what we are looking for.
8295 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
8297 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
8298 for architecture v4.
8300 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8302 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
8304 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
8305 movdf_const_intreg and helper splits): New patterns to move float
8306 constants into integer registers.
8307 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
8310 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
8313 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
8315 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
8317 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
8318 a BASE_REGS register is needed as an intermediate when copying
8319 a symbolic value into any register class other than BASE_REGS.
8321 * expr.c (move_by_pieces): No longer static. Remove prototype.
8322 * rtl.h (move_by_pieces): Add extern prototype.
8323 * mips.c (expand_block_move): Handle aligned straight line copy by
8324 calling move_by_pieces.
8326 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
8329 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
8331 * stmt.c (expand_end_loop): Tidy. Allow unconditional
8332 jumps out of the loop to be treated as part of the exit test.
8334 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8335 Jeff Law <law@cygnus.com>
8337 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
8338 * cplus-dem.c: Delete.
8340 * Makefile.in (fold-const.o): depend on $(RTL_H).
8342 * fold-const.c: Include rtl.h to get the prototype for
8343 `set_identifier_local_value'.
8345 * loop.c (express_from_1): Remove unused variable `tmp'.
8346 (combine_givs): cast the first argument of bzero to char *.
8348 * toplev.c (display_help): Remove unused variable `looking_for_start'.
8350 * c-decl.c (init_decl_processing): Remove unneeded &.
8352 * alpha.h (alpha_initialize_trampoline): Provide prototype.
8354 * except.c (set_exception_lang_code, set_exception_version_code):
8355 Change parameter from `short' to `int' to avoid using a gcc
8358 * except.h (set_exception_lang_code, set_exception_version_code):
8359 Likewise for prototypes.
8361 * flow.c (count_reg_references): Remove unused variables `regno'
8364 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
8366 * prefix.c (translate_name): Cast the result of `alloca'.
8368 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
8370 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8372 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
8374 (valid_dbcc_comparison_p): Mark mode argument as unused.
8375 (symbolic_operand): Likewise.
8376 (legitimize_pic_address): Likewise.
8377 (const_uint32_operand): Likewise.
8378 (const_sint32_operand): Likewise.
8379 * sched.c [!INSN_SCHEDULING]: Define only dummy function
8380 schedule_insns and comment out rest of file.
8382 * m68k.c (output_move_simode_const): Use subl to move a zero into an
8384 (output_move_[hq]imode): Likewise.
8386 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
8388 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
8389 * invoke.texi: Corresponding changes.
8391 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
8393 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
8395 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8397 * config/sparc/sparc.c (ultra_code_from_mask,
8398 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
8399 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
8400 ultrasparc_sched_init, ultrasparc_variable_issue,
8401 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
8402 functions to describe UltraSPARC pipeline exactly to Haifa.
8403 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
8404 as there is nothing the scheduler can do about it. Indicate that
8405 REG_DEP_OUTPUT's collide. Fixup formatting.
8406 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
8407 divide costs on Ultra for DImode.
8408 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
8410 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
8411 ieuN and add call_no_delay_slot to type list.
8412 (cti function unit): New unit for branches on UltraSPARC.
8413 (subx/addx insns): Set type to misc.
8414 (sidi zero/sign extension insns on arch64): Set type to shift.
8415 (sign_extendhidi2_insn): Set type to sload.
8417 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
8419 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
8420 (output_epilog): Use if != 0 for offset.
8421 (rs6000_fatal_bad_address): Prepare for Intl.
8422 * rs6000.h (rs6000_fatal_bad_address): Declare.
8423 * rs6000.md (movsfcc, movdfcc): Use else if.
8424 (elf_high): Use {liu|lis}.
8425 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
8426 (movsi): Use rs6000_fatal_bad_address.
8428 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
8430 * reload.c (find_equiv_reg): Reject equivalences separated
8431 by a volatile instruction.
8433 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8435 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
8437 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
8439 * alpha.md (movsicc): Fix mode mismatch.
8441 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
8443 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
8445 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
8447 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8449 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
8450 write-only modifier from operand 1 constraint.
8452 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8454 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
8455 emitting a XOR of -1 at the end, emit a NOT instead for combine's
8457 (sparc_emit_set_const64): Likewise, also when computing trailing
8458 bits do not negate low_bits and make fast_int an int.
8460 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
8462 * loop.c (add_label_notes): Do not ignore references to labels
8463 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
8464 * gcse.c (add_label_notes): Similarly.
8466 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
8468 * m68k.md (adddi_dilshr32): One of the operands must be a register.
8469 (adddi_dishl32): Similarly.
8471 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
8473 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
8474 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
8475 * cse.c (cse_basic_block): Add parens to shut up warnings.
8477 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8479 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
8480 sparc_emit_set_const64_longway, const64_is_2insns,
8481 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
8482 in 64-bit constant formation.
8483 * config/sparc/sparc.md (snesi_zero_extend split): Generate
8484 rtl for addx not subx.
8485 (define_insn movdi_const64_special): Make available even when
8486 HOST_BITS_PER_WIDE_INT is not 64.
8487 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
8488 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
8489 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
8490 instances of operand 1 inside a QI subreg.
8491 (xordi3_sp64_dbl): Remove '%' constraint for op1.
8492 (one_cmpldi2_sp64): Fix output string.
8493 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
8495 (unnamed arch64 ashift DI): Truncate shift count if greater than
8498 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8500 * expr.c (store_expr): Don't optimize away load-store pair
8501 when either source or destination have a side effect.
8503 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
8505 * genrecog.c (add_to_sequence): Fatal error if the modes of the
8506 operands of SET are incompatible.
8508 * alpha.md: Fix max and min patterns so modes of SET operands match.
8510 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
8512 * configure.in: Avoid [[ by using test and changequote.
8513 * configure: Rebuild.
8515 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8517 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
8519 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
8520 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
8521 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
8522 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
8523 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
8524 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
8525 Fix mismatching modes in SET operands.
8526 (conditional move patterns): Fix formatting.
8527 (unnamed subx arch64 pattern): Remove duplicate insn.
8529 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8531 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8532 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
8533 (input_operand): Fixup test for what we accept for constant
8535 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
8537 (safe_constDI): Remove.
8538 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
8539 gen_safe_XOR64): New functions.
8540 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
8541 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
8543 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
8544 available when HOST_BITS_PER_WIDE_INT is not 64.
8545 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
8546 move before movdi_insn_sp64 pattern.
8547 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
8548 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
8549 symbolic_operand as predicate for second operand.
8550 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
8551 expander): Give set VOIDmode.
8553 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
8555 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
8557 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
8559 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
8561 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
8563 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
8565 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
8567 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
8569 * install.texi: Various SCO OpenServer tweaks.
8571 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
8573 * reload1.c (eliminate_regs_in_insn): Handle another case when
8574 eliminating the frame pointer to the hard frame pointer. Add
8575 missing ep->to_rtx check to one existing case.
8577 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
8579 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
8581 * tree.h: De-conditionalize init_priority code.
8583 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
8584 * collect2.c (NM_FLAGS): Change from -p to -n.
8586 * configure.in: Turn on collect2 for mipstx39-elf.
8587 Handle use_collect2=no properly.
8589 * c-common.c: De-conditionalize init_priority code.
8590 * collect2.c (extract_init_priority, sort_ids): New fns.
8591 (main): Call sort_ids.
8592 Move sequence_number to file scope.
8594 * configure.in: Handle --enable-init-priority.
8595 * c-common.c (attrs): Add A_INIT_PRIORITY.
8596 (init_attributes, decl_attributes): Likewise.
8597 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
8598 * tree.c (get_file_function_name_long): Split out...
8599 (get_file_function_name): ...from here.
8601 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
8603 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
8606 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
8608 * toplev.c (display_help): Add braces to shut up warnings.
8609 * tree.c (simple_cst_equal): Likewise.
8611 * fold-const.c (non_lvalue): Don't deal with null pointer
8613 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8615 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
8616 of any size to a pointer.
8618 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
8620 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
8622 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
8624 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
8625 which will be saved.
8626 * mn10300.md (prologue insn): Only save registers which need saving.
8627 (epilogue insn): Similarly.
8629 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
8632 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
8634 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
8635 VAR_DECL's in gp addressable sections.
8637 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
8639 * sparc.c: Change return <exp> to <exp>; return; in functions
8641 * sparc.md: Add empty semicolon statement after final label in
8644 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8646 * config/sparc/sparc.md (define_insn addx_extend): Rename to
8647 addx_extend_sp64, only allow when TARGET_ARCH64.
8648 (define_insn addx_extend_sp32 and split): Version that works when
8650 (define_insn subx_extend): Likewise.
8651 (define_split adddi3 and subdi3 with zero extension): Fixup and
8652 correct bugs when not TARGET_ARCH64.
8654 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
8656 * except.c (set_exception_lang_code, set_exception_version_code):
8657 Use prototype-style definition if __STDC__, to match declaration
8660 * genemit.c: Change FAIL and DONE macros not to use loops.
8662 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
8664 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
8665 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
8667 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
8669 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
8671 * README.g77: Update from Craig.
8673 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8675 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
8677 (safe_constDI sparc_emit_set_const64_quick1,
8678 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8679 analyze_64bit_constant, const64_is_2insns,
8680 create_simple_focus_bits): Fix some bugs when compiled on real
8682 (function_arg_record_value_3, function_arg_record_value_2,
8683 function_arg_record_value): Add fully prototyped forward decls.
8684 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
8685 to cmpsi_insn and use on both 64 and 32 bit targets.
8686 (define_insn cmpsi_insn_sp64): Remove.
8687 (define_expand zero_extendsidi2): Allow for 32-bit target too.
8688 (define_insn zero_extendsidi2_insn): Rename to
8689 zero_extendsidi2_insn_sp64.
8690 (define_insn zero_extendsidi2_insn_sp32): New pattern and
8691 assosciated forced split for it.
8693 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8695 * config/sparc/sparc.h: Declare them.
8696 (PREDICATE_CODES): Add them.
8697 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
8698 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
8700 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
8702 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
8703 in v9 case as the latter makes the Solaris assembler crash.
8705 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8707 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
8708 for TFmode when !v9. We require offsettable memory addresses.
8709 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
8710 DFmode register number conversions.
8711 * config/sparc/sparc.md (define_split DFmode moves): If register
8712 is a SUBREG do alter_subreg on it before using.
8713 (define_expand movtf): Fixup comment about alignment on v9.
8714 (define_split TFmode moves): Don't use gen_{high,low}part, create
8715 explicit SUBREGs instead.
8717 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
8719 * Makefile.in (mbchar.o): Depend on mbchar.c.
8721 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8722 Richard Henderson <rth@cygnus.com>
8724 Rewrite Sparc backend for better code generation and
8725 improved sparc64 support.
8726 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
8728 * config/sparc/sysv4.h: Likewise.
8729 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
8730 move_operand, v8plus_regcmp_op, emit_move_sequence,
8731 singlemove_string, doublemove_string, mem_aligned_8,
8732 output_move_double, output_move_quad, output_fp_move_double,
8733 move_quad_direction, output_fp_move_quad, output_scc_insn):
8735 (small_int_or_double): New predicate.
8736 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
8737 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
8738 old pic_{sethi,lo_sum}_si patterns.
8739 (mem_min_alignment): New generic function to replace
8740 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
8741 available and can test for arbitrary alignments. All callers
8743 (save_regs, restore_regs, build_big_number,
8744 output_function_prologue, output_cbranch, output_return,
8745 sparc_flat_save_restore, sparc_flat_output_function_prologue,
8746 sparc_flat_output_function_epilogue): Prettify
8748 (output_function_epilogue): Likewise and add code to output
8749 deferred case vectors.
8750 (output_v9branch): Likewise, add new arg INSN and use it to tack
8751 on branch prediction settings. All callers changed.
8752 (print_operand): Likewise and output %l44 for LO_SUMs when
8754 (sparc_splitdi_legitimate): New function to make sure DImode
8755 splits can be run properly when !arch64.
8756 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8757 Reformat example code in comments.
8758 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8759 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8760 of deferred case vectors we need to output.
8761 (sparc_defer_case_vector): Record a case vector.
8762 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8763 sparc_output_deferred_case_vectors): New functions to output them.
8764 (sparc_emit_set_const32): New function to form 32-bit constants in
8765 registers when that requires more than one instruction.
8766 (safe_constDI, sparc_emit_set_const64_quick1,
8767 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8768 analyze_64bit_constant, const64_is_2insns,
8769 create_simple_focus_bits, sparc_emit_set_const64): New functions
8770 which do the same for 64-bit constants when arch64.
8771 (sparc_emit_set_symbolic_const64): New function to emit address
8772 loading for all code models on v9.
8773 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8774 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8775 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8776 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8777 inaccuracies in comments, add symbolic and text_segment operands
8778 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8779 GENERAL_REGS in these cases as a temp REG is needed to load these
8780 addresses into a register properly.
8781 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8783 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8784 quads are guarenteed to have 16-byte alignment.
8785 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8786 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8787 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8788 deferred case vector implementation.
8789 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8790 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8791 Generate "internal label - label" instead of "label - 1b".
8792 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8793 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8794 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8796 (doublemove_string, output_block_move, output_fp_move_double,
8797 output_fp_move_quad, output_move_double, output_move_quad,
8798 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8799 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8800 (sparc_emit_set_const32, sparc_emit_set_const64,
8801 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8802 mem_min_alignment, small_int_or_double): Add externs.
8803 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8804 UNSPEC_VOLATILE in this backend.
8805 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8806 unary to types which execute in it.
8807 (define_function_unit ieu_shift): Rename to ieu0.
8808 (define_function_unit ieu1): New, executes compare, call, and
8809 uncond_branch type insns.
8810 (define_function_units for type fdivs, fdivd, fsqrt): These
8811 execute in the fpu multiply unit not the adder on UltraSparc.
8812 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8813 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8814 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8815 allows the arith_double_operand predicate and rHI constraint when
8817 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8818 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8819 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8820 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8821 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8822 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8823 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8824 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8825 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8826 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8827 sign_extendqihi2_insn, sign_extendqisi2_insn,
8828 sign_extendqidi2_insn, sign_extendhidi2_insn,
8829 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8830 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8831 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8832 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8833 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8834 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8835 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8836 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8837 smulsi3_highpart_v8plus, unnamed subreg mult,
8838 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8839 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8840 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8841 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8842 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8843 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8844 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8845 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8846 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8847 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8848 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8849 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8850 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8851 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8852 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8853 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8854 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8855 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8856 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8857 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8858 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8859 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8860 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8861 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8862 call_address_untyped_struct_value_sp32,
8863 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8864 call_value_symbolic_sp32, call_value_address_sp64,
8865 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8866 flush_register_windows, goto_handler_and_restore,
8867 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8868 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8869 return_addsi, return_di, return_adddi, return_sf, all call+jump
8870 peepholes, trap, unnamed trap insns): Prettify output strings.
8871 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8872 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8873 Likewise and force + implement splits for integer cases.
8874 (define_insn return_sf_no_fpu): Likewise and allow to match when
8875 no-fpu because of our subreg SFmode splits.
8876 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8877 zero_extendqidi2_insn, zero_extendhidi2_insn,
8878 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8879 input_operand for second operand.
8880 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8881 reg_or_0_operand for operand 2 so new splits can use it.
8882 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8883 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8885 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8886 CONST_DOUBLEs for operand 2.
8887 (define_insn move_label_di): Likewise and label distance
8888 optimization because it no longer works with new deferred case
8889 vector scheme. To be revisited.
8890 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8891 and allow reg_or_0_operand and J constraint for second operand.
8892 (define_insn jump): Set branch predict taken on V9.
8893 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8894 new deferred case vector scheme.
8895 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8896 (define_insn negdi2_sp32): Force + implement splits.
8897 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8898 one_cmplsi2_not_liveg0 respectively, and create expander of original
8899 names which emit special rtl for TARGET_LIVE_G0.
8900 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8901 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8902 gen_compare_reg, FAIL instead.
8903 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8904 values when trying to reverse condition codes, if they FAIL then
8906 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8907 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8908 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8909 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8910 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8911 set output string to # to indicate they are mandatory splits.
8912 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8913 pic_sethi_di, move_pic_label_si): Remove.
8914 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8915 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8917 (define_expand movsi_pic_label_ref, define_insn
8918 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8919 expander and insns to handle PIC label references and deferred
8921 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8923 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8924 Rewrite to not use emit_move_sequence, make use of new constant
8925 formation code, and new splits for all multi-insn cases.
8926 (define_insn movqi_insn): Remove sethi case, it can never happen.
8927 Use reg_or_zero_operand instead of const0_rtx explicit test,
8928 use input_operand instead of move_operand for source, and use
8929 general_operand now for dest.
8930 (define_insn movhi_insn): Similar but leave sethi case.
8931 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8932 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8933 movhi_lo_sum respectively, prettify output string.
8934 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8935 register when needed on TARGET_LIVE_G0.
8936 (define_insn movsi_insn): Use general_operand and input_operand
8937 for dest and src respectively. Simplify applicability test.
8938 Prettify output strings, and add clr alternative for J
8940 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8941 deprecated std and reg-reg DI moves): Remove and...
8942 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8943 implementation which uses forced splits for all non-single insn
8945 (define_split DI move cases on !arch64): New splits to handle all
8946 situations of 64-bit double register DImode on 32bit, and
8947 unaligned registers and memory addresses for all subtargets.
8948 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8950 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8951 input_operand for dest and src respectively, prettify output
8953 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8954 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8956 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8957 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8958 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8959 movtf_no_e_insn_sp64) Replace with new
8960 implementation which uses forced splits for all non-single insn
8962 (define_split DF move cases): New splits in similar vein to DI
8964 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8965 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8966 movdi_sp64_insn): Remove old v9 code model and constant loading
8968 (define_insn pic_lo_sum_di, pic_sethi_di,
8969 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8970 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8971 embmedany_sethi, embmedany_losum, embmedany_brsum,
8972 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8973 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8974 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8975 scheme, using unspecs, secondary reloads, and one to one sparc
8976 insn to rtl insn mapping for better scheduling and code gen.
8977 (define_expand reload_indi, reload_outdi): Reload helpers for
8978 MEDANY and EMBMEDANY symbol address loading cases which require a
8980 (define_expand movsicc): Remove v8plus_regcmp cases.
8981 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8982 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8983 cmp_diqi_trunc_set): New patterns used by some of the new scc
8985 (define_insn xordi3_sp64_dbl): New pattern used for constant
8986 formation when crossing from 32-bit targets.
8987 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8989 (define_insn addx, subx): Make visible and prettify.
8990 (define_insn adddi3_insn_sp32): Likewise and force split.
8991 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8992 64bit scc split usage.
8993 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8994 zero_extend, subdi3): Force and implement splits.
8996 * final.c (final_scan_insn): Don't output labels if target
8997 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
9000 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
9001 don't forget to walk inside SEQUENCESs too as these are what the
9002 delay slot scheduler will create.
9004 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
9006 * alpha.md (extxl+1,+2): New patterns to work around
9009 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
9011 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
9012 caused bad assembly code to be generated.
9014 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
9016 * netbsd.h: Fix typo.
9018 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
9020 * config.sub: Fix typo.
9022 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
9024 * invoke.texi (Environment Variables): Typo: Change "ascpects"
9026 (Running Protoize): Typo: Change "ther" into "other".
9028 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
9030 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
9031 * m68k/netbsd.h: Likewise.
9032 * ns32k/netbsd.h: Likewise.
9033 * sparc/netbsd.h: Likewise.
9035 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
9037 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
9038 * ginclude/va-clipper.h (va_list): Likewise.
9040 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
9042 * rs6000.c (rs6000_override_options): If big endian and -Os, use
9043 load/store multiple instructions unless user overrides.
9045 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
9047 * ns32k/netbsd.h: Fix typo.
9049 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
9051 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
9052 labels with .debugsym if no parallel insns.
9054 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
9056 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
9057 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
9059 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
9061 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
9062 (AR_FOR_TARGET): Define.
9064 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
9066 * dyn-string.h: New file.
9067 * dyn-string.c: Likewise.
9068 * Makefile.in (OBJS): Add dyn-string.o.
9069 (dwarf2out.o): Add dyn-string.h dependency.
9070 (dyn-string.o): List dependencies.
9071 * dwarf2out.c: Include dyn-string.h.
9072 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
9073 (addr_const_to_string): Take a dyn_string_t, not a char* as a
9074 prototype. Use dyn_string_append rather than strcat, throughout.
9075 (addr_to_string): Use dyn_string_t.
9077 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
9079 Function entry/exit profiling instrumentation:
9080 * expr.h (profile_function_entry_libfunc,
9081 profile_function_exit_libfunc): Declare new variables.
9082 * optabs.c: Define them here.
9083 (init_optabs): Initialize them.
9084 * tree.h (struct tree_decl): New flag
9085 no_instrument_function_entry_exit.
9086 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
9087 * c-decl.c (duplicate_decls): Merge it.
9088 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
9089 (init_attributes): Use it for "no_instrument_function".
9090 (decl_attributes): Handle it, for functions that have not yet been
9091 compiled. Set decl flag.
9092 * flags.h (flag_instrument_function_entry_exit): Declare new
9094 * toplev.c (flag_instrument_function_entry_exit): Define it here.
9095 (f_options): New option "instrument-functions".
9096 * function.h (struct function): New field instrument_entry_exit.
9097 * function.c (current_function_instrument_entry_exit): New
9099 (push_function_context_to, pop_function_context_from): Save and
9101 (expand_function_start): Set current_ variable, maybe emit return
9102 label and entry profile call.
9103 (expand_function_end): Maybe emit exit profile call.
9105 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
9107 * i386.md (movqi): When optimizing a load of (const_int 1) into a
9108 NON_QI_REG_P, pretend the register is SImode.
9110 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
9112 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
9113 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
9114 manufacturer id for ns32k.
9115 * configure: Regenerated.
9116 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
9117 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
9118 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
9119 * config/m68k/netbsd.h: Same.
9120 * config/ns32k/netbsd.h: Same.
9121 * config/sparc/netbsd.h: Same.
9123 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
9125 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
9126 or UNROLL_COMPLETELY loop that starts with a jump to its
9129 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
9131 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
9132 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
9133 (print_operand, case 'B'): Don't fall through.
9134 (print_operand, case 'S'): Correct mask begin/end computation.
9135 Use HOST_BITS_PER_WIDE_INT.
9136 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
9137 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
9138 * rs6000/aix41.h (CPP_PREDEFINES): Same.
9139 * rs6000/aix43.h (CPP_PREDEFINES): Same.
9141 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
9143 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
9144 constraint from second alternative.
9146 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
9148 * configure.in: Fix --without/--disable cases for local-prefix,
9149 gxx-include-dir and checking.
9151 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9153 * configure.in (enable_haifa): Set by default for sparc64 too.
9156 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
9158 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
9159 * i386/winnt.c (associated_type): New fn.
9160 (i386_pe_valid_type_attribute_p): New fn.
9161 (i386_pe_check_vtable_importexport): Remove.
9162 (i386_pe_dllexport_p): Use associated_type.
9163 (i386_pe_dllimport_p): Likewise.
9165 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
9166 * i386.c (i386_valid_type_attribute_p): Also accept
9167 attributes for METHOD_TYPEs.
9169 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
9171 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
9173 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
9175 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
9177 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
9178 them from generating a new base name for each occurence of
9181 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
9183 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
9185 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
9189 * cplus-dem.c (type_kind_t): New type.
9190 (demangle_template_value_parm): Add type_kind_t parameter. Rely
9191 on this paramter, rather than demangling the type again.
9192 (demangle_integral_value): Pass tk_integral.
9193 (demangle_template_: Pass the value returned from do_type.
9194 (do_type): Return a type_kind_t. Pass tk_integral to
9195 demangle_template_value_parm for array bounds.
9196 (demangle_fund_type): Likewise.
9198 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
9200 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
9203 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
9205 * pa.c (move_operand): Accept CONSTANT_P_RTX.
9207 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
9209 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
9211 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
9214 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
9216 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
9217 (DEBUGGER_ARG_OFFSET): Likewise.
9219 * mn10300.md (movsf): Remove last change. Not needed.
9221 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
9223 * c-lex.c (yylex): Fix boundary conditions in character literal and
9224 string literal loops.
9226 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
9228 * longlong.h (count_leading_zeros): Sparclite scan instruction was
9229 being invoked incorrectly.
9231 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
9232 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
9234 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
9235 * configure.in: Added i[34567]86-*-win32
9236 * config.sub: Ditto.
9237 * configure: Rebuilt.
9239 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
9241 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
9242 the frame pointer and compiling PIC code and reload has not completed.
9244 * i386.c (output_to_reg): Add code to emulate non-popping DImode
9247 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
9249 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
9251 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9253 * Makefile.in (install-info): Only try to update the info
9254 directory file if it exists in the first place.
9256 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
9258 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
9260 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
9262 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
9263 CONST_DOUBLE source.
9265 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
9267 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
9268 strings as the insertion of USER_LABEL_PREFIX.
9269 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
9271 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
9274 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
9276 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
9277 already defined type.
9279 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
9281 * expr.c (check_max_integer_computation_mode): Allow conversions
9282 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
9283 (expand_expr): Likewise.
9285 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9287 * expr.c (expand_expr): Expand RETURN_EXPR.
9289 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
9291 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
9293 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
9295 * dwarf2out.c (output_aranges): Call stripattributes
9296 for TEXT_SECTION references.
9297 (output_line_info): Likewise.
9299 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9301 * profile.c (branch_prob): Call allocate_reg_info after outputting
9302 profile rtl in instrument_arcs.
9304 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
9306 * fixinc.irix (math.h): Install wrapper instead of copying.
9308 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9310 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
9311 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
9312 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
9313 lang_flag_0. Added documentation in the flag table.
9315 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
9317 * cccp.c (do_include): Fix vax c style include handling.
9319 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
9321 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
9323 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
9325 * fold-const.c (non_lvalue): Don't deal with null pointer
9327 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
9329 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
9331 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
9332 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
9333 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
9334 (u_short_cint_operand): Same.
9335 (reg_or_cint_operand): Same.
9336 (logical_operand): Same.
9337 (input_operand): Same.
9338 (reg_or_short_operand): Use u_short_cint_operand.
9340 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
9342 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
9343 but keep the insns and splits. Adjust so when the ultimate destination
9344 is memory, use cvtql.
9346 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
9348 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
9350 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
9352 * gcc.c (do_spec): Call "error" not "warning".
9354 * configure.in: Fix minor problems with gas feature detection code.
9355 * configure: Rebuilt.
9357 * gcc.c (do_spec): Issue a warning for '%[]' usage.
9360 * gcc.c: Delete %[spec] support.
9361 (do_spec_1, case '('): Likewise.
9362 (do_spec_1, case '['): Call error.
9364 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
9366 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
9367 (CPP_SUBTARGET_SPEC): Default to empty string.
9368 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
9369 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
9370 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
9371 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
9373 * alpha/linux.h (CPP_PREDEFINES): Tidy.
9374 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
9375 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
9376 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
9377 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
9378 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
9379 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
9380 * alpha/vxworks.h: Likewise.
9382 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
9384 * mips.md (reload_outsi): Added missing REGNO call.
9385 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
9387 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
9388 another match_operator and compare the codes.
9390 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
9392 * MIPS multiply pattern fixes:
9393 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9394 Add union classes for HI, LO, or HILO plus general registers.
9395 (GENERATE_MADD): Deleted.
9396 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
9397 Add TARGET_MAD to condition.
9398 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
9399 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
9400 "*d" for accumulator, to give preference to LO initially but not
9403 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
9405 * configure.in (enable_c_mbchar): New configure option.
9406 (extra_cpp_objs): Always available now.
9408 * cexp.y (mbchar.h): #include it.
9409 (yylex): Handle Multibyte characters in character literals.
9411 * cccp.c (mbchar.h): #include it.
9412 (main): Set character set based on LANG environment variable.
9413 (rescan): Handle multibyte characters in comments.
9414 (skip_if_group): See above.
9415 (validate_else): See above.
9416 (skip_to_end_of_comment): See above.
9417 (macarg1): See above.
9418 (discard_comments): See above.
9419 (rescan): Handle multibyte characters in string and character literals.
9420 (collect_expansion): See above.
9421 (skip_quoted_string): See above.
9422 (macroexpand): See above.
9423 (macarg1): See above.
9424 (discard_comments): See above.
9425 (change_newlines): See above.
9427 * c-lex.c (mbchar.h): #include it.
9428 (GET_ENVIRONMENT): New macro.
9429 (init_lex): Set character set based on LANG environment variable.
9430 (yylex): Handle multibyte characters in character literals.
9431 (yylex): Handle multibyte characters in string literals.
9433 * Makefile.in (mbchar.o): New target.
9434 (cccp$(exeext)): @extra_cpp_objs@ is always available.
9435 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
9437 * mbchar.[ch]: New files for multibyte character handling.
9439 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9441 * jump.c (jump_optimize): When simplifying noop moves and
9442 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
9443 the PUSHes to rewrite in second loop as we did in the first.
9445 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9447 * cplus-dem.c (demangle_nested_args): Make function definition
9448 static to match the prototype.
9450 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
9452 * alloca.c: Respect USE_C_ALLOCA.
9453 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
9454 * gengenrtl.c (xmalloc): Likewise.
9456 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
9458 * loop.h (struct induction): Add no_const_addval.
9459 * loop.c (the_movables, reg_address_cost): New variables.
9460 (init_loop): Init reg_address_cost.
9461 (loop_optimize): Call end_alias_analysis.
9462 (scan_loop): Init the_movables.
9463 (record_giv): Init induction->no_const_addval.
9464 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
9465 [REG]: Rearrange loop search test to catch more cases.
9466 (general_induction_var): Return success not benefit; take an extra
9467 argument for that. Change all callers.
9468 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
9469 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
9470 [default]: Search the_movables for additional combinations.
9471 (sge_plus_constant, sge_plus): New functions.
9472 (express_from_1): New function.
9473 (express_from): Always define. Rewrite using express_from_1.
9474 (combine_givs_p): Handle more cases. Ignore address cost.
9475 (cmp_combine_givs_stats): New function.
9476 (combine_givs_used_once, combine_givs_benefit_from): New functions.
9477 (combine_givs): Rewrite to do best-fit combination.
9479 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
9480 (fold): Do a complete (A*C)+(B*C) association check.
9482 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
9484 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
9486 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
9488 * mn10300.c (MODES_TIEABLE_P): Fix typo.
9490 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
9492 * tree.c (valid_machine_attribute): Only create a new type variant if
9493 there is a decl to use it.
9495 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
9497 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
9500 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
9502 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
9505 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
9507 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
9508 Simplify tests for clearing an address register.
9509 (expand_prologue): Corresponding changes.
9511 * mn10300.md (movXX patterns): Make sure the destination is an
9512 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
9513 (logical patterns): Split into expanders + patterns
9514 (zero and sign extension patterns): Similarly.
9515 (shift patterns): Similarly.
9517 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
9519 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
9520 for the sequence, recording base values.
9522 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
9524 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
9526 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
9528 * gcc.c: Remove ANSI-C ism from --help code.
9530 * toplev.c: Support --help with USE_CPPLIB.
9532 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
9534 * configure.in: Rework gas feature code to work with symlink based
9537 * extend.texi: Clarify some issues related to local variables
9538 assigned to explicit registers.
9540 * mn10300.md (mulsi): Turn into expander + pattern.
9542 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
9545 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
9547 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
9549 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
9551 * version.c: Bump again to distinguish mainline tree from the
9554 See ChangeLog.0 for earlier changes.
9557 add-log-time-format: current-time-string