1 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
3 * varasm.c (output_constant_pool): Use floor_log2 instead of
4 exact_log2 for ASM_OUTPUT_ALIGN.
6 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
8 * emit-rtl.c (operand_subword): Handle case when a subword outside
11 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
14 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
16 * cse.c (fold_rtx): Revert 29 Dec change.
17 (cse_insn): Revert 12 Jan change.
18 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
19 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
21 * rtl.h (CONSTANT_P): Likewise.
23 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
25 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
26 * alpha.c (input_operand): Likewise.
27 * c4x.c (const_operand): Likewise.
29 * explow.c (allocate_dynamic_stack_space): Use register_operand
30 instead of arith_operand, which does not exist.
32 * 1750a.h: Fix comment closure.
33 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
34 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
35 * arm.h (TARGET_SWITCHES): Fix typo.
36 * i370.md (anon mult and div patterns): Fix set mode mismatch.
37 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
38 (output_delay_insn): Likewise.
39 * m88k.md (anon rotate insns): Fix set mode mismatch.
40 (anon BLKmode moves): Commonize and fix set mode mismatches.
41 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
42 * romp.md (movdf): Fix typo.
44 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
46 * Makefile.in (install-common): Remove extraneous chmod for gcov
49 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
51 * function.c (assign_parms): Save and restore setting of
54 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
56 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
57 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
59 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
61 * recog.c (pop_operand): New function.
62 * recog.h (pop_operand): Declare it.
63 * genrecog.c (preds): Define it.
65 * expr.c (do_jump_for_compare): Handle conditional branch expanders
66 emitting multiple jump instructions.
67 * jump.c (condjump_label): New function.
68 * rtl.h (condjump_label): Declare it.
70 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
72 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
73 clobber during or after reload.
75 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
77 * genoutput.c (name_for_index): New function.
78 (scan_operands, validate_insn_alternatives): Use it.
79 * genrecog.c (insn_name_ptr_size): New variable.
80 (make_insn_sequence): Fill in insn_name_ptr.
81 (merge_trees): Use it.
83 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
85 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
86 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
87 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
89 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
91 * loop.c (NUM_STORES): Delete.
92 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
93 (prescan_loop): Properly initialize loop_mems_idx.
94 (note_addr_stored): Simplify using list structure instead of
96 (invariant_p, check_dbra_loop, load_mems): Similarly.
98 * flow.c (invalidate_from_autoinc): New function.
99 (mark_set_1, mark_used_regs): Use it.
101 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
103 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
105 * invoke.texi (-mlong-double-64): New option description.
107 1999-01-19 Jim Wilson <wilson@cygnus.com>
109 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
110 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
111 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
113 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
114 (CPP_SPECS): Add -mlong-double-64 support.
115 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
116 (TARGET_SWITCHES): Add -mlong-double-64 support.
117 (LONG_DOUBLE_TYPE_SIZE): Likewise.
118 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
119 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
120 (CPP_SPECS): Add -mlong-double-64 support.
121 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
122 (MULTILIB_DIRNAMES): Add ld64.
123 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
125 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
127 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
130 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@mhpcc.edu>
132 * rs6000.c (offsettable_addr_operand): Delete.
133 (offsettable_mem_operand): New function.
134 * rs6000.h (PREDICATE_CODES): Reflect function change.
135 (RS6000_SAVE_TOC): Represent address as MEM.
136 * win-nt.h (RS6000_SAVE_TOC): Same.
137 * rs6000.md (indirect calls): Change offsettable address parameter
138 to offsettable memory parameter.
140 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
142 * rtl.h (rtx_def): Update documentation.
143 (MEM_IN_STRUCT_P): Likewise.
144 (MEM_SCALAR_P): New macro.
145 (MEM_COPY_ATTRIBUTES): Likewise.
146 (MEM_SET_IN_STRUCT_P): Likewise.
147 * rtl.texi (MEM_SCALAR_P): Document.
148 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
149 (fixed_scalar_and_varying_struct_p): New function. Use
150 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
151 (aliases_everything_p): Likewise.
152 (true_dependence): Use them.
153 (write_dependence_p): New function, containing code common to
154 anti_dependence and output_dependence.
155 (anti_dependence): Use it.
156 (output_dependence): Likewise.
157 * calls.c (save_fixed_argument_area): Don't clear
159 (expand_call): Use MEM_SET_IN_STRUCT_P.
160 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
161 (emit_library_call_value): Likewise.
162 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
163 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
164 (make_extraction): Likewise.
165 (simplify_shift_const): Likewise.
166 (gen_lowpart_for_combine): Likewise.
167 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
168 * emit-rtl.c (operand_subword): Likewise.
169 (change_address): Likewise.
170 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
171 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
172 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
173 (copy_blkmode_from_reg): Likewise.
174 (store_field): Likewise.
175 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
176 heuristically. Use MEM_SET_IN_STRUCT_P.
177 (get_memory_rtx): Likewise.
178 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
179 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
180 MEM_ALIAS_SET on newly returned MEMs.
181 (assign_temp): Use MEM_SET_IN_STRUCT_P.
182 (put_reg_into_stack): Likewise.
183 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
184 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
185 (assign_parms): Likewise.
186 (expand_function): Likewise.
187 * integrate.c (expand_inline_function): Likewise.
188 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
189 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
190 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
191 * print-rtl.c (print_rtx): Print /f for frame_related.
192 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
193 * reload1.c (reload): Copy MEM_SCALAR_P as well.
194 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
195 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
196 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
197 (output_constant_def): Likewise.
198 * a29k.c (a29k_set_memflags_1): Take scalar_p.
200 (a29k_set_memflags): Use it.
201 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
202 * c4x.c (c4x_scan_for_ld): Likewise.
203 * h8300.c (fix_bit_operand): Likewise.
204 * m88k.c (legitimize_address): Likewise.
205 (block_move_loop): Likewise.
206 (block_move_no_loop): Likewise.
207 (block_move_sequence): Likewise.
208 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
209 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
210 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
211 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
212 * arm.h (arm_gen_load_multiple): Take scalar_p.
213 (arm_store_load_multiple): Likewise.
214 * arm.c (arm_gen_load_multiple): Likewise.
215 (arm_gen_store_multiple): Likewise.
216 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
218 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
220 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
221 calls within a libcall block to indicate no throws are possible.
222 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
223 libcall blocks. Don't add edges to exception handlers if we see
224 a REG_EH_REGION note with a value of 0.
225 (make_edges): Override active_eh_region vector if the call has a note
226 indicating the call does not throw.
228 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
230 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
232 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
234 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
236 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
238 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
240 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
242 * invoke.texi (-mcpu=740, -mcpu=750): New options.
243 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
246 1999-01-18 Michael Meissner <meissner@cygnus.com>
248 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
249 supported with -mcpu=xxx.
250 (processor_type): Add PROCESSOR_PPC750.
251 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
252 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
253 (rs6000_adjust_priority): Add declaration.
255 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
256 processor type as 750, not 603. Allow -mmultiple and -mstring on
257 little endian 750 systems.
258 (rs6000_adjust_priority): Stub for now.
259 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
261 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
263 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
265 (CC1_SPEC): Pass -mstrict-align if little endian, and not
267 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
268 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
270 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
273 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
275 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
277 * config/mips/mips.md (div_trap): Split div_trap_mips16
279 (div_trap_normal,div_trap_mips16): Correct the length attributes.
281 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
283 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
284 Instead of writing to const char *buf directly, use a non-const
285 variable `wbuf' to allocate and write a string, then set buf = wbuf.
287 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
290 * dyn-string.c (dyn_string_append): Likewise.
292 * dyn-string.h (dyn_string_append): Likewise.
294 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
296 * output.h (end_final, output_operand_lossage, asm_fprintf,
297 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
300 * profile.c (init_branch_prob): Likewise.
302 * toplev.c (set_target_switch, vmessage,
303 v_message_with_file_and_line, v_message_with_decl,
304 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
305 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
306 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
307 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
308 open_dump_file, dump_rtl, clean_dump_file,
309 print_version, print_single_switch, print_switch_values,
310 dump_base_name, debug_args, lang_independent_options,
311 user_label_prefix, documented_lang_options, target_switches,
312 target_options, print_time, pfatal_with_name, fatal_io_error,
313 fatal_insn, default_print_error_function, print_error_function,
314 report_error_function, error_with_file_and_line, error_with_decl,
315 error_for_asm, error, fatal, warning_with_file_and_line,
316 warning_with_decl, warning_for_asm, warning, pedwarn,
317 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
318 really_sorry, botch, output_quoted_string, output_file_directive,
319 open_dump_file, rest_of_decl_compilation, display_help, main):
322 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
323 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
324 warning_with_file_and_line, error_with_file_and_line, sorry,
325 really_sorry, default_print_error_function, report_error_function,
326 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
327 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
328 output_file_directive, botch): Likewise.
330 * tree.h (make_decl_rtl): Likewise.
332 * varasm.c (strip_reg_name, named_section, decode_reg_name,
333 make_decl_rtl): Likewise.
335 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
337 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
338 directory logically rather than physically.
340 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
342 * loop.c (insert_bct): Hide the definition of variables
343 `increment_direction', `compare_direction', `add_iteration' and
346 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
347 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
348 (mode_independent_operand): Mark label `lose' with
349 ATTRIBUTE_UNUSED_LABEL.
351 * regclass.c (n_occurrences): Remove prototype and definition.
353 * reload.c (find_reloads_address_1): Mark variable `tem' with
356 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
358 * sbitmap.c (sbitmap_copy): Likewise.
360 * scan-decls.c (scan_decls): Hide label `handle_comma'.
362 * toplev.c (output_lang_identify): Mark prototype with
365 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
366 (make_tree_vec): Likewise.
369 * varasm.c (assemble_static_space): Mark variable `tem' with
372 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
374 * Makefile.in (GCOV_INSTALL_NAME): New macro.
375 (install-common): Use it.
377 (uninstall): Use correct names for protoize and unprotoize.
379 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
380 Jeffrey A Law (law@cygnus.com)
382 * flow.c (last_mem_set): Delete variable. References removed.
383 (mem_set_list): New variable.
384 (life_analysis): Initialize and finalize alias analysis.
385 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
386 (insn_dead_p): For a store to memory, search the entire mem_set_list
388 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
389 changes to their addresses. Add new entries to the mem_set_list for
390 memory writes writes.
391 (mark_used_regs): Kill entries on the mem_set_list which may be
392 referenced by a load operation.
394 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
396 * alias.c (base_alias_check): Add missing return for differing
399 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
401 * mips-tdump.c (print_file_desc): Handle unknown filenames and
402 missing local symbols.
404 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
406 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
408 * system.h (bcopy): Implement with memmove not memcpy.
410 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
412 * Makefile.in (cppulp.o): Add dependencies.
414 * i386.md (integer conditional moves): Add missing earlyclobbers.
416 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
417 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
418 where a register is live.
420 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
422 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
423 of a FP conditional move is not on the FP register stack.
425 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
427 * version.c: Bump for snapshot.
429 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
431 * reload1.c (reload_cse_regs_1): Do not call
432 reload_cse_simplify_operands for an insn with asm operands.
434 * cccp.c (print_help): Fix typos.
435 * cpplib.c (print_help): Fix typos.
436 * toplev.c (f_optiosn): Fix typos.
437 (documented_lang_options): Fix typos.
439 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
441 * gcc.c: (do_spec_1): Fix obvious typo.
443 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
445 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
446 a non-static function declaration follows a static one.
448 * invoke.texi (-Wtraditional): Document the extra check now done
451 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
453 * pa.md (shadd): Create shadd insns, even if the result of the shift is
454 needed without the addition.
456 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
458 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
460 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
462 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
464 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@mhpcc.edu>
466 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
467 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
468 non_add_cint_operand, non_logical_cint_operand): Likewise.
469 (get_issue_rate): Add CPU_PPC604E case.
470 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
472 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
474 * expr.c (queued_subexp_p): Make public.
475 * expr.h (queued_subexp_p): Declare it.
476 * recog.c (asm_operand_ok): New function.
477 (check_asm_operands): Use it. After reload, use constrain_operands
479 * recog.h (asm_operand_ok): Declare it.
480 * stmt.c (expand_asm_operands): Use it to try harder to make
481 asms initially satisfy their constraints.
483 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
485 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
486 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
488 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
490 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
491 in delay slot of RPTBD.
493 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
495 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
496 divide and modulo sign problem.
498 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
500 * unroll.c (loop_iterations): Return 0 if the last loop insn
501 is not a jump insn or if the loop has multiple back edges.
503 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
505 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
506 a register with another DEST_ADDR giv if the address is not valid.
508 * pa.c (hppa_expand_epilogue): Save and restore the static chain
509 around the call to mcount.
511 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
513 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
514 generating non-canonical rtl.
516 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
518 * config/i960/i960.c (i960_output_move_double_zero,
519 i960_output_move_quad_zero): New functions for moving zeros.
520 (i960_output_move_double, i960_output_move_quad): Additional code
521 for situation when moving unaligned register group.
523 * config/i960/i960.h (i960_output_move_double_zero,
524 i960_output_move_quad_zero): The function definitions.
526 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
528 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
530 * config/i960/i960.c (i960_function_prologue): New code (optimal
531 solution) for saving global registers in local registers.
532 (form_reg_groups, reg_group_compare, split_reg_group): New
533 functions used by the code.
534 (reg_group): New structure definition for the new code.
536 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
538 * integrate.c (expand_inline_function): Recognize (mem (addressof))
539 and substitute. Copy the return value from there into a new pseudo.
541 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
543 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
544 before generating a call to abort for volatile functions.
545 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
546 (TARGET_ABORT_NORETURN): Define.
547 (abort-on-noreturn): New option.
549 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
551 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
552 and binarycc operations in 3rd annulled delay slot!
554 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
556 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
557 before generating a call to abort for volatile functions.
558 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
559 (TARGET_ABORT_NORETURN): Define.
560 (abort-on-noreturn): New option.
562 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
564 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
565 Remove prototype which we get from libiberty.h.
567 * collect2.c (xstrdup): Likewise.
569 * genextract.c (xstrdup): Likewise for `copystr'.
570 (mybzero): Remove it and use `memset' instead.
572 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
573 to use `memcpy' and `memset' instead.
575 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
576 changed. Remove prototype.
577 (mybcopy, mybzero): Remove these and use memcpy/memset.
579 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
581 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
582 generating code for TARGET_64BIT.
584 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@mhpcc.edu>
586 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
587 HOST_WIDE_INT word-size.
588 (rs6000_stack_info): Remove redundant alignment of fpmem.
590 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
592 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
593 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
594 (input_operand): Adjust CONSTANT_P_RTX handling.
595 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
596 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
597 (movhi, movqi): Remove CONSANT_P_RTX handling.
598 (movdi): Adjust CONSTANT_P_RTX handling.
600 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
602 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
604 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
606 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
607 ensure all prototypes necessary for building libio will be available.
608 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
609 definitions here as they are not host specific.
610 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
612 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
614 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
616 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
618 * version.c: Bump for snapshot.
620 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
622 * rtl.c (rtx_alloc): Use memset instead of inline loop.
624 * recog.h (recog_op_alt): Declare extern.
626 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
628 * function.c (purge_addressof_1): If the note accesses a mem+addressof
629 in a wider mode than any replacement, adjust the cached replacement.
630 Cache trivial substitutions as well.
632 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
634 * Makefile.in (OBJECTS): Add sbitmap.o.
635 (BASIC_BLOCK_H): Add sbitmap.h.
636 * basic-block.h: Move simple bitmap code to sbitmap.h.
637 * flow.c: Move simple bitmap code to sbitmap.c
638 * sbitmap.h, sbitmap.c: New files.
640 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
642 * alpha.h (TARGET_SWITCHES): Document switches.
643 (TARGET_OPTIONS): Likewise.
645 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
647 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
649 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
651 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
653 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
654 (basic_block_end): Rename to x_basic_block_end.
655 (BLOCK_HEAD, BLOCK_END): Update.
657 * caller-save.c: Change basic_block_head/end references to
659 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
660 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
661 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
663 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
665 * gcc.c (xstrerror): Renamed from my_strerror. All callers
666 changed. Remove prototype since we get that from libiberty.h.
668 * protoize.c (xstrerror): Likewise.
670 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
672 * gcc.c (read_specs): Ensure format specifiers match their arguments.
674 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
676 * tree.c (copy_node): Oops. That would be copy not zero
679 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
681 * config/c4x/c4x.c: Include system.h.
682 (c4x_caller_save_map): Disable caller save for RC.
683 (c4x_optimization_options): Disable scheduling before reload.
684 (valid_parallel_load_store) : Define return type as int.
685 Remove unused variable regs.
686 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
688 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
690 (*db, decrement_and_branch_until_zero): Fix up constraints
691 to keep reload happy.
693 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
695 * tree.c (make_node): Call bzero instead of inline clear.
696 (copy_node, make_tree_vec, build1): Likewise.
697 (get_identifier): Call strlen instead of inline count.
698 (maybe_get_identifier): Likewise.
700 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
702 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
703 operations in 3rd annulled delay slot.
704 (*lshrqi3_const_set): Disallow c constraint for operand0.
705 (modhi3+1, modhi3+2): Set attribute type to multi.
706 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
709 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
711 * gansidecl.h: Allow attribute unused on labels only when we are
712 version 2.93 or higher. Not all versions of 2.92 have this feature.
714 * version.c: Bump minor number to 93.
716 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
718 * config/m68k/m68k.h: Declare output_function_epilogue.
719 * recog.h: Declare next_insn_tests_no_inequality.
721 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
723 * stmt.c (optimize_tail_recursion): New function, extracted from ...
724 (expand_return): Use optimize_tail_recursion.
725 * tree.h (optimize_tail_recursion): Declare.
727 * toplev.c (compile_file): Move call to output_func_start_profiler
728 to after the loop to emit deferred functions.
730 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
732 * system.h (abort): Supply more detailed information on how to
733 report an Internal Compiler Error.
735 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
737 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
738 allocate memory that will live beyond this function.
739 (expand_call): Free it here.
741 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
743 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
744 integer data not destined for fp regs.
745 (LEGITIMIZE_RELOAD_ADDRESS): New.
747 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
748 Richard Henderson <rth@cygnus.com>
750 Support for Hypersparc and Sparclite86x:
751 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
752 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
753 (ASM_CPU32_DEFAULT_SPEC): Likewise.
754 (TARGET_CPU_DEFAULT): Likewise.
755 (enum processor_type): Likewise.
756 (CPP_ENDIAN_SPEC): Handle little endian data.
757 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
758 (ADJUST_COST): Call sparc_adjust_cost.
759 * sparc.c (sparc_override_options): Fix up for the new targets.
760 (supersparc_adjust_cost): Make static.
761 (hypersparc_adjust_cost): New.
762 (ultrasparc_adjust_cost): Make static.
763 (sparc_adjust_cost): New.
764 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
765 (function_unit): Add hypersparc scheduling rules.
767 * configure.in (with_cpu handler): Recognize hypersparc.
769 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
771 * config/c4x/c4x.c: Added space after negation operator.
772 * config/c4x/c4x.h: Likewise.
773 * config/c4x/c4x.md: Likewise.
775 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
777 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
779 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
781 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
782 when a test can't be performed due to limited width of
783 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
784 Fix UDIV case for cases where the first operand has the highest bit
787 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
789 * pa.h (reg_class): Add FPUPPER_REGS.
790 (REG_CLASS_NAMES): Similarly.
791 (REG_CLASS_CONTENTS): Similarly
792 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
793 (FP_REG_CLASS_P): Likewise.
794 (REG_CLASS_FROM_LETTER): Similarly.
795 (CLASS_MAX_NREGS): Similarly.
797 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
799 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
800 for a typedef of bool. Make sure to have a copy of the file is
801 in place before we look to fix it. Fix typo in variable name to
804 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
806 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
807 value_mode for the return mode.
809 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
811 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
812 debugging as default.
814 * config/tm-dwarf2.h: New file.
816 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
818 * h8300.h (ASM_OUTPUT_LABELREF): Define.
820 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
821 * local-alloc.c (update_equiv_regs): Corresponding changes.
822 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
824 * calls.c (special_function_p): Push alloca test inside the large
825 conditional which excludes functions not at file scope or not
828 * calls.c (special_function_p): New function broken out of
830 (precompute_register_parameters): Likewise.
831 (store_one_arg): Likewise.
832 (store_unaligned_argumetns_into_pseudos): Likewise.
833 (save_fixed_argument_area): Likewise.
834 (restore_fixed_argument_area): Likewise.
835 (expand_call): Corresponding changes.
837 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
839 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
841 (const_sint32_operand): Likewise.
843 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
845 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
846 is a macro when deciding if we can use `jmp_buf' in prototypes.
848 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
850 * config/c4x/c4x.md (addqi3): If the destination operand is
851 a hard register other than an extended precision register,
852 emit addqi3_noclobber.
853 (*addqi3_noclobber_reload): New pattern added so that reload
854 will recognise a store of a pseudo, equivalent to the sum
855 of the frame pointer and a constant, as an add insn.
857 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
859 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
860 * configure: Rebuilt.
861 * i386/xm-go32.h: Define LIBSTDCXX.
863 * i386/go32.h (MD_EXEC_PREFIX): Define.
864 (FILE_NAME_ABSOLUTE_P): Define.
865 (LINK_COMMAND_SPEC): Define.
867 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
869 * expr.c (store_expr): If the lhs is a memory location pointed
870 to be a postincremented (or postdecremented) pointer, always
871 force the rhs to be evaluated into a pseudo.
873 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
875 * real.c (mtherr): Print more reasonable warning messages.
877 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
879 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
881 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
882 (new_include_prefix): Constify char* parameters.
884 * cppfiles.c (read_name_map): Likewise.
885 (append_include_chain): Likewise. Also, use a writable char* copy
886 of parameter `dir' which we then modify, rather than using the
887 parameter itself to store the new writable string.
888 (remap_filename): Constify some variables. Also, use a writable
889 char* to store an allocated string which we will be modifying.
891 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
892 (cpp_start_read): Constify variable `str'.
894 * cpplib.h (append_include_chain): Constify a char* parameter.
896 * gcc.c Include prefix.h, don't prototype prefix.c functions.
897 (add_prefix, save_string): Constify char* parameters.
898 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
900 * prefix.c: Include prefix.h.
901 (get_key_value, translate_name, save_string, update_path,
902 set_std_prefix): Constify various char* parameters and variables.
903 (save_string): Use xmalloc, not malloc.
904 (translate_name): Use a writable temporary variable to create and
905 modify a string before setting it to a const char*.
907 * prefix.h: New file to prototype functions exported from prefix.c.
909 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
911 * cpplib.c (skip_if_group): Split out the logic that handles
912 directive recognition to its own function. Don't use
913 parse markers; use a bare pointer into the buffer. Use
914 copy/skip_rest_of_line instead of doing it by hand. Remove
915 `return on any directive' mode which was never used, and take
917 (consider_directive_while_skipping): New function, subroutine
918 of skip_if_group. Logic streamlined a bit.
919 (conditional_skip, do_elif, do_else): Call skip_if_group with
922 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
924 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
927 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
929 * extend.texi (Bound member functions): Document.
931 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
933 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
934 lang_to_string, type_to_string): Make return type const char*.
935 (print_symbol): Apply `const' keyword to a char*.
936 (print_file_desc): Cast structure member `crfd' to ulong when
937 comparing against one.
939 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
940 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
941 (progname, input_name): Apply `const' keyword to a char*.
942 Don't redundantly include sys/stat.h.
943 (alloc_info): Apply `const' keyword to a char*.
944 (st_to_string, sc_to_string): Likewise.
945 (hash_string): Cast variable `hash_string' to a symint_t when
946 comparing against one.
947 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
948 Likewise cast it to long when comparing against one.
949 (add_local_symbol): Apply `const' keyword to a char*.
950 (add_ext_symbol): Likewise.
951 (add_unknown_tag): Likewise.
952 (add_procedure): Cast a printf-style field width to an int.
953 (add_file): Cast PAGE_USIZE to long when comparing against one
954 (parse_begin): Cast a printf-style field width to an int.
955 (parse_bend): Likewise.
956 (parse_def): Likewise.
957 (parse_end): Likewise.
958 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
959 (parse_stabs_common): Fix format specifier.
960 (parse_input): Change type of variable `i' to Size_t.
961 (write_object): Fix arguments to match format specifiers.
962 Cast variable `num_write' to long when comparing against one.
963 (read_seek): Cast variable `sys_read' to symint_t when comparing
964 against one. Fix arguments to match format specifiers. Cast
965 variable `size' to long when comparing against one.
966 (copy_object): Cast result of `sizeof' to int when comparing
967 against one. Fix arguments to match format specifiers. Cast
968 variable `ifd' to long when comparing against a signed value.
971 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
973 * c-common.c (decl_attributes): Allow applying attribute `unused'
976 * c-parse.in (label): Parse attributes after a label, and call
977 `decl_attributes' to handle them.
979 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
981 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
982 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
984 * invoke.texi: Note that labels can be marked `unused'.
986 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
988 * version.c: Bump for snapshot.
990 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
992 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
993 RTL for a compare/jump sequence.
995 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
997 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
998 for a target with HAVE_cc0 defined.
999 (emit_cmp_and_jump_insns): New function.
1000 * expr.h (emit_cmp_and_jump_insns): Prototype it.
1001 * loop.c (check_dbra_loop): Use it to replace calls
1002 to emit_cmp_insn and emit_jump_insn and to canonicalise
1003 the comparison if necessary.
1004 * unroll.c (unroll_loop): Likewise.
1006 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1008 * fixincludes (sys/utsname.h): Provide forward declaration of
1009 struct utsname on Ultrix V4.[35].
1011 * mips.md (div_trap): Use local labels instead of dot-relative
1014 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
1016 * pa.md (branch, negated branch): Handle (const_int 0) as first
1018 * pa.c (output_cbranch): Likewise.
1020 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
1022 * rs6000.c (rs6000_stack_info): Undo spurious part of last
1025 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
1027 * extend.texi (__builtin_constant_p): Add missing @smallexample.
1029 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
1031 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
1033 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
1035 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
1036 (adddi_dishl32): Similarly.
1038 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
1039 for each insn in the skipped block.
1041 * reload1.c (reload_as_needed): Verify that the insn satisfies its
1042 constraints after replacing a register address with an autoincrement
1043 address for reload inheritance purposes.
1045 * i386.md (doubleword shifts): Avoid namespace pollution.
1047 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
1049 * configure.in (FreeBSD ELF): Needs special crt files.
1051 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
1053 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
1055 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1057 * loop.c (check_dbra_loop): While reversing the loop, if the
1058 comparison value has a VOID mode use the mode of the other operand
1059 to compute the mask.
1061 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
1063 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
1064 avoid warnings in compiling explow.c.
1066 (patch from Ken Raeburn, raeburn@cygnus.com)
1067 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
1068 fpmem_offset. Compute total size after that, and then
1069 rs6000_fpmem_offset using both values.
1071 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1073 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
1074 the future; indeed that already happens in some cases.
1076 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
1078 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
1079 (arith_operand): Remove constant_p_rtx handling.
1080 (const64_operand, const64_high_operand): Likewise.
1081 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
1082 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
1083 (small_int_or_double, uns_small_int, zero_operand): Likewise.
1084 * sparc.h (PREDICATE_CODES): Likewise.
1086 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
1088 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
1090 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
1091 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
1092 consider constant CONSTRUCTOR constant and to defer some cases
1094 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
1095 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
1097 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
1099 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
1100 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
1102 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
1103 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
1104 (sext_add_operand, and_operand, or_operand): Likewise.
1105 (reg_or_cint_operand, some_operand, input_operand): Likewise.
1106 * alpha.h (PREDICATE_CODES): Likewise.
1108 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
1110 * version.c: Bump for snapshot.
1112 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
1114 * gengenrtl.c (gencode): Always use bzero to clear memory instead
1115 of dangerous casts and stores.
1117 * Makefile.in (compare, gnucompare): Add missing else true clauses.
1119 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
1121 * alpha.md (builtin_longjmp): Add missing "DONE".
1123 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
1125 * gcc.c (execute): Enable -pipe with win32.
1127 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
1129 * config/arm/t-arm-elf: Add multiplib option for leading
1132 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
1133 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
1135 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
1136 than variable 'reload_address_base_reg_class'. [Note this
1137 change is unrelated to the others in this patch].
1139 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
1142 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1144 * alias.c (record_alias_subset): Remove ignored `&'.
1145 (init_alias_once): Likewise.
1147 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
1149 * config/mips/mips.c (mips_asm_file_end): Cast the result of
1150 fwrite to `int' when comparing against one.
1152 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
1153 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
1155 * cse.c (rehash_using_reg): Change type of variable `i' to
1158 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
1159 assigning it to one.
1161 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
1163 * final.c (final_scan_insn): Likewise for variable `i'.
1164 (output_asm_insn): Cast a char to unsigned char when used as an
1167 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
1168 assigning it to one.
1170 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
1172 * recog.c (preprocess_constraints): Cast a char to unsigned char
1173 when used as an array index.
1175 * regmove.c (find_matches): Likewise.
1177 * reload1.c (calculate_needs): Add default case in switch.
1178 (eliminate_regs_in_insn): Initialize variable `offset'.
1179 (set_offsets_for_label): Change type of variable `i' to unsigned.
1180 (reload_as_needed): Wrap variable `i' in macro check on
1181 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
1183 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
1184 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
1185 when comparing against one.
1187 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
1188 unsigned when comparing against one. Likewise for
1189 GET_MODE_ALIGNMENT().
1190 (layout_record): Cast record_align to int when comparing against a
1192 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
1195 * tree.c (get_identifier): Cast variable `len' to unsigned when
1196 comparing against one.
1197 (maybe_get_identifier): Likewise
1199 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
1201 * toplev.c (rest_of_compilation): Do not set reload_completed.
1202 * reload1.c (reload): Set reload_completed before calling
1203 cleanup_subreg_operands.
1205 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
1207 * reload1.c (emit_reload_insns): Check `set' not null before use.
1209 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
1211 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
1214 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1216 * halfpic.c (half_pic_encode): Delete redundant code.
1218 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
1220 * toplev.c (main): Delete handling of -dM as a preprocessor
1223 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
1225 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
1226 -dI, which are handled by the preprocessor.
1228 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
1230 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
1231 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
1233 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
1235 * version.c: Bump for snapshot.
1237 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
1239 * version.c: Bump for snapshot.
1241 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
1243 * version.c: Bump for snapshot.
1245 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1247 * genattr.c (fatal): Qualify a char* with the `const' keyword.
1249 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
1250 write_unit_name, write_eligible_delay, expand_units,
1251 make_length_attrs, write_attr_case, find_attr,
1252 make_internal_attr): Likewise.
1253 * gencheck.c (tree_codes): Likewise.
1254 * gencodes.c (fatal): Likewise.
1255 * genconfig.c (fatal): Likewise.
1256 * genemit.c (fatal): Likewise.
1257 * genextract.c (fatal, walk_rtx, copystr): Likewise.
1258 * genflags.c (fatal): Likewise.
1259 * genopinit.c (fatal, optabs, gen_insn): Likewise.
1260 * genoutput.c (fatal, error, predicates): Likewise.
1261 * genpeep.c (fatal): Likewise.
1262 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
1263 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
1265 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1267 * configure.in (with-fast-fixincludes): Fix whitespace.
1268 * configure: Rebuilt.
1270 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
1271 asm() etc. function declarations in __DECC.
1273 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
1275 * expr.c (emit_move_insn_1): Only emit a clobber if the target
1276 is a pseudo register.
1278 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
1280 * gcse.c: Include expr.h in order to get the prototype for
1281 get_condition() which is used in delete_null_pointer_checks().
1283 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1285 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
1287 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
1289 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
1290 (ALL_CFLAGS): Delete SCHED_CFLAGS.
1292 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
1294 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
1297 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
1299 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
1300 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
1301 optimizations from the combiner.
1303 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1305 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
1307 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
1309 * toplev.c (main): Disable optimize_size if a specific
1310 optimization level is requested. Always set optimization
1311 level to 2 if -Os is specified.
1313 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
1315 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
1317 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
1318 initialize it using fname.
1320 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
1322 * cpplib.c (do_include): Treat #include_next in the
1323 primary source file as #include plus warning. Treat
1324 #include_next in a file included by absolute path as an
1325 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
1327 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1329 * cccp.c: Don't define MIN/MAX anymore.
1330 * cpplib.c: Likewise.
1331 * machmode.h: Likewise.
1332 * system.h: Provide definitions for MIN/MAX.
1334 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1336 * fix-header.c: Don't define xstrdup here.
1338 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1340 * loop.c (consec_sets_giv): New argument last_consec_insn.
1341 (strength_reduce): Provide / use it.
1343 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1345 * loop.h (loop_info): New field 'vtop'.
1346 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
1347 scanning loop for vtop.
1348 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
1349 (loop_iterations): Use them to determine if loop has a constant
1350 number of iterations. Set loop_info->vtop. Don't subtract
1351 common reg term from initial_value and final_value if have a
1354 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
1356 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
1358 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
1360 * mn10200.md (abssf2, negsf2): New expanders.
1362 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
1364 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
1366 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
1367 replaced by a CONCAT whoes components do not have the same
1368 mode as the original SUBREG, use a new SUBREG to restore the
1371 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
1372 multiword complex values.
1374 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
1376 * cppalloc.c: Add xstrdup here.
1377 * cpplib.h: Remove savestring prototype.
1378 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
1380 * cppfiles.c: s/savestring/xstrdup/ throughout.
1382 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
1384 * cpplib.c: Make all directive handlers read their own
1386 (struct directive): Remove last two arguments from FUNC
1387 member prototype. Remove `command_reads_line' member
1389 (directive_table): Remove initializations of
1390 command_reads_line flag. Pretty-print.
1391 (eval_if_expression, do_define, do_line, do_include,
1392 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
1393 do_else, do_elif, do_sccs, do_assert, do_unassert,
1394 do_warning): Take only two args.
1396 (cpp_define): Call do_define with two args and the text to
1397 define stuffed into a buffer.
1398 (make_assertion): Call do_assert with two args.
1399 (handle_directive): Call do_line with two args. Call
1400 kt->func with two args. Remove command_reads_line
1402 (do_define, do_undef, do_error, do_warning, do_pragma,
1403 do_sccs): Read the rest of the line here.
1404 (do_ident): Gobble rest of line, as cccp does.
1405 (cpp_undef): New function.
1406 (cpp_start_read): Call cpp_undef instead of do_undef.
1408 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
1410 * cpphash.h (union hash_value): Remove `keydef' member, add a
1411 `struct hashnode *aschain' member for #assert.
1413 * cpplib.c (struct tokenlist_list, struct
1414 assertion_hashnode): Delete structure definitions.
1415 (assertion_install, assertion_lookup, delete_assertion,
1416 check_assertion, compare_token_lists, reverse_token_list,
1417 read_token_list, free_token_list): Delete functions.
1418 (parse_assertion): New function.
1419 (cpp_cleanup): Don't destroy the assertion_hashtable.
1421 (do_assert): Gut and rewrite. #assert foo (bar) places
1422 entries for `#foo' and `#foo(bar)' in the macro hash table,
1423 type T_ASSERT. The value union's `aschain' member is used
1424 to chain all answers for a given predicate together.
1425 (do_unassert): Also rewritten. Take an un-asserted
1426 answer off the chain from its predicate and call
1427 delete_macro on the hashnode, or walk a predicate chain
1428 calling delete_macro on all the entries.
1429 (cpp_read_check_assertion): Simply call parse_assertion to
1430 get the canonical assertion name, and look that up in the
1433 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
1436 * cpphash.c (install): Use bcopy instead of an explicit loop
1437 to copy the macro name.
1439 * cppexp.c (cpp_lex): Convert the result of
1440 cpp_read_check_assertion to a `struct operation' directly;
1441 don't go through parse_number.
1443 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1445 * loop.h (struct induction): Delete times_used member.
1446 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
1447 (n_times_used): Rename to n_times_set. Changed all users.
1448 (scan_loop): Free reg_single_usage before strength reduction.
1449 (record_giv, combine_givs): Remove handling of times_used member.
1450 (combine_givs_used_once): Rename to:
1451 (combine_givs_used_by_other) . Changed all callers.
1453 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
1455 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
1456 instead of TREE_CODE_CLASS == 't'.
1457 (gen_type_die): Likewise.
1458 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
1460 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
1462 * real.c (endian): Disable last change unless
1463 HOST_BITS_PER_WIDE_INT is greater than 32.
1465 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1467 * output.h (force_data_section): New prototype.
1468 * varasm.c (force_data_section): New function to force the
1469 data section, regardless of what in_section thinks.
1470 * dwarf2out.c (output_call_frame_info): Call force_data_section
1471 since varasm may not realize we've changes sections.
1473 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
1475 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
1476 after completeing reload.
1478 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
1479 deleted after reload.
1481 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
1483 * rtl.h (multiple_sets): Fix prototype.
1484 * rtlanal.c (multiple_sets): Fix return type.
1486 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
1488 * version.c: Bump for snapshot.
1490 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
1492 * version.c: Bump for snapshot.
1494 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
1496 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
1498 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1500 * rtl.h (recompute_reg_usage): Add second argument.
1501 * flow.c (recompute_reg_usage): Likewise.
1502 * toplev.c (rest_of_compilation): Supply second argument to
1503 recompute_reg_usage.
1505 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
1508 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
1510 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
1511 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
1512 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
1515 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
1517 * rtlanal.c (multiple_sets): New function.
1518 * rtl.h (multiple_sets): Declare it.
1519 * local-alloc.c (wipe_dead_reg): Use it.
1520 * global.c (global_conflicts): Likewise.
1522 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
1524 * global.c (record_conflicts): Don't use an array of shorts to
1525 store an array of ints.
1526 (global_conflicts): Likewise.
1528 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
1530 * alpha.c (alpha_expand_block_move): mode_for_size expects
1531 bits, not bytes. Infer extra alignment from addressof.
1533 1998-12-11 Michael Meissner <meissner@cygnus.com>
1535 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
1536 .sbss section, not .sdata.
1538 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
1540 * cccp.c: Do not #include <sys/stat.h> here; this is already done
1542 * collect2.c: Likewise.
1543 * cpplib.h: Likewise.
1546 * getpwd.c: Likewise.
1547 * protoize.c: Likewise.
1548 * toplev.c: Likewise.
1550 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
1551 and don't try to define it here.
1552 * Makefile.in (cppmain.o): Depend on machmode.h.
1553 (cpplib.o): Likewise.
1554 (cpperror.o): Likewise.
1555 (cppexp.o): Likewise.
1556 (cppfiles.o): Likewise.
1557 (cpphash.o): Likewise.
1558 (cppalloc.o): Likewise.
1559 (fix-header.o): Likewise.
1560 (scan-decls.o): Likewise.
1562 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
1564 * sh.c (print_operand): lookup interrupt_handler attribute instead
1565 of relying on static variable.
1566 * (calc_live_regs): Likewise.
1567 * (sh_pragma_insert_attributes): Create interrupt_handler
1568 attribute if a pragma was specified
1569 * (sh_valid_machine_decl_attribute): Don't set static flag.
1570 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
1572 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1574 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
1575 to determine if a register is live at a jump destination.
1576 Everything is dead at a BARRIER.
1578 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
1580 * cse.c (simplify_unary_operation): Sign-extend constants when
1581 they have the most significant bit set for the target.
1582 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
1584 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
1585 HOST_WIDE_INT temporary before negating it.
1586 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
1588 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
1590 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
1593 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1595 * collect2.h: New header file for prototypes.
1597 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
1599 * collect2.c: Include collect2.h.
1600 * tlink.c: Likewise.
1602 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
1604 * flow.c: Update some comments.
1606 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
1608 * objc/objc-act.c (cpp_initialized): Removed.
1609 (lang_init_options): Initialize cpplib.
1610 (lang_decode_option): Move initialization of cpplib to
1612 * c-lang.c: (parse_options,parse_in): Added.
1613 (lang_init_options): Initialized cpplib here.
1614 * c-decl.c (parse_options,cpp_initialized): Removed.
1615 (c_decode_option): Move initialization of cpplib to
1618 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1620 * reload1.c (reload_combine, reload_combine_note_store):
1621 Make STORE_RUID always valid.
1622 (reload_combine): Check if BASE is clobbered too early.
1624 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
1626 * reload.c (find_reloads): Display the insn that cannot be
1629 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
1631 * cccp.c (create_definition): Fix end of bufer logic.
1633 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1635 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
1636 pointer parameters changed to use the PARAMS() macro.
1638 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1640 * except.h (struct handler_info): Add handler_number field.
1641 * except.c (gen_exception_label): EH labels no longer need to be
1642 on the permanent obstack.
1643 (get_new_handler): Set the label number field.
1644 (output_exception_table_entry): Regenerate handler label reference
1645 from the label number field.
1646 (init_eh): Remove a blank line.
1647 * integrate.c (get_label_from_map): Labels no longer need to be
1648 on the permanent obstack.
1650 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
1652 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
1653 only when OUTER_CODE is SET.
1655 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1657 * loop.c (strength_reduce): If scan_start points to the loop exit
1658 test, be wary of subversive use of gotos inside expression statements.
1659 Don't set maybe_multiple for a backward jump that does not
1660 include the label under consideration into its range.
1661 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
1663 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1665 * explow.c (plus_constant_wide): Don't immediately return with
1666 result of recursive call.
1668 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1670 * eh-common.h (struct eh_context): Add table_index for rethrows.
1672 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
1673 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
1674 processed when inlined or unrolled (ie duplicated in some way).
1676 * rtl.c (reg_note_name): Add strings for new reg_note enums.
1678 * expr.h (rethrow_libfunc): New library decl.
1680 * optabs.c (rethrow_libfunc): Initialize.
1682 * except.h (struct eh_entry): Add new field 'rethrow_label'.
1683 (new_eh_region_entry): No longer exported from except.c.
1684 (duplicate_handlers): Renamed to duplicate_eh_handlers and
1685 different prototype.
1686 (rethrow_symbol_map, rethrow_used): New exported functions.
1687 (eh_region_from_symbol): New exported function.
1689 * except.c (create_rethrow_ref): New function to create a single
1690 SYMBOL_REF for a rethrow region.
1691 (push_eh_entry): Initialize a rethrow ref.
1692 (func_eh_entry): Add a rethrow_label field.
1693 (new_eh_region_entry): Make static, and initialize the rethrow entry.
1694 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
1695 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
1696 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
1697 a region into an appropriate new symbol.
1698 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
1699 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
1700 (end_catch_handler): Emit a barrier for new-exceptions since
1701 control can never drop through the end of a catch block.
1702 (expand_end_all_catch): new-exceptions never fall through a catch
1704 (expand_rethrow): use __rethrow routine for new exceptions.
1705 (output_exception_table_entry): Generate rethrow labels, if needed.
1706 (output_exception_table): Generate start and end rethrow labels.
1707 (init_eh): Create rethrow symbols for beginning and end of table.
1708 (scan_region): Don't eliminate EH regions which are the targets of
1711 * flow.c (make_edges): Add different edges for rethrow calls,
1712 identified by having the REG_EH_RETHROW reg label.
1713 (delete_unreachable_blocks): Don't delete regions markers which are
1714 the target of a rethrow.
1716 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
1717 allow save_for_inline_copying to call duplicate_eh_handlers.
1718 (save_for_inline_copying): Call duplicate_eh_handlers instead of
1719 exposing internal details of exception regions.
1720 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
1721 (expand_inline_function_eh_labelmap): New callback routine to
1722 allow expand_inline_function to call duplicate_eh_handlers.
1723 (expand_inline_function): Call duplicate_eh_handlers instead of
1724 exposing internal details of exception regions.
1725 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
1728 * libgcc2.c (find_exception_handler): Generalize to enable it to
1729 pick up processing where it left off last time for a rethrow.
1730 (__unwinding_cleanup): New function. debug hook which is called before
1731 unwinding when __throw finds there is nothing but cleanups left.
1732 (throw_helper): Common parts of __throw extracted out for reuse.
1733 (__throw): Common parts moved to throw_helper.
1734 (__rethrow): New function for performing rethrows.
1736 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
1738 * reload1.c (current_function_decl): Tweak declaration.
1740 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
1742 * c-decl.c (flag_isoc9x): Default off.
1743 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
1744 * cccp.c (print_help, main): Likewise.
1745 * gcc.c (default_compilers): Update for -std=gnu*.
1747 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
1749 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
1750 * demangle.h: Deleted.
1752 * reload1.c (current_function_decl): Declare.
1754 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1756 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
1758 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1760 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
1762 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
1764 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
1766 * configure: Rebuilt.
1767 * system.h: If the *_unlocked functions are available use them
1768 instead of the locked counterparts by defining macros.
1769 * config.in: Regenerated.
1771 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
1773 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
1774 wrong and should only be used for dump related things, not
1775 debugging information, instead main_input_filename should be used.
1776 Also, reuse output_file_directive if possible.
1777 * i386/aix386ng.h (ASM_FILE_START): Likewise.
1778 * i386/isc.h (ASM_FILE_START): Likewise.
1779 * i386/win-nt.h (ASM_FILE_START): Likewise.
1780 * i386/sun386.h (ASM_FILE_START): Likewise.
1782 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
1784 * configure.in (mips*-*-linux*): Handle big and little endian
1786 * configure: Rebuilt.
1788 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
1790 * emit-rtl.c: Fix typo.
1792 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
1794 * reload1.c (eliminate_regs): Don't do anything, if we're not
1797 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
1799 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
1801 * mips/mips.c (mips_select_section): Add comment.
1803 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1805 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1806 characters in file names in #line to be consistent with #include
1807 handling. We support escape prcessing in the # 1 "..." version of
1808 the command. See also support in cp/lex.c.
1809 (handle_directive): Likewise.
1810 (do_line): Likewise.
1812 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1814 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1815 so it'll work on non-ASCII platforms. Always consider $ an
1816 identifier character. Take no arguments.
1817 (cpp_reader_init): Call initialize_char_syntax with no
1819 (cpp_start_read): Don't call initialize_char_syntax again.
1820 Clear is_idchar['$'] and is_idstart['$'] if not
1821 opts->dollars_in_ident.
1823 * cpplib.h (struct cpp_reader): Replace void *data element by
1824 cpp_options *opts. Rearrange elements to make gdb printout
1825 less annoying (put buffer stack at end).
1826 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1828 * cppmain.c: s/data/opts/ when initializing cpp_reader
1830 * c-decl.c: Likewise.
1831 * objc/objc-act.c: Likewise.
1832 * fix-header.c: Likewise.
1834 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1836 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1837 with a struct file_name_list pointer.
1838 (struct cpp_reader): Add pointer to chain of `actual
1839 directory' include searchpath entries.
1840 (struct file_name_list): Add *alloc pointer for the sake of
1841 the actual-directory chain.
1843 Move definition of HOST_WIDE_INT here.
1844 (cpp_parse_escape): Change prototype to match changes in
1847 * cppfiles.c (actual_directory): New function.
1848 (finclude): Use it to initialize the buffer's actual_dir
1850 (find_include_file): We don't need to fix up max_include_len
1853 * cpplib.c (do_include): Don't allocate a file_name_list on
1854 the fly for current directory "" includes, use the one that's
1855 been preallocated in pfile->buffer->actual_dir. Hoist out
1856 duplicate code from the search_start selection logic.
1857 (cpp_reader_init): Initialize pfile->actual_dirs.
1859 Remove definition of HOST_WIDE_INT. Change calls
1860 to cpp_parse_escape to match changes in cppexp.c (note
1861 hardcoded MASK, which is safe since this is the source
1864 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1865 to handle wide character constants in #if directives. The
1866 function now returns a HOST_WIDE_INT, and takes a third
1867 argument which is a binary mask for all legal values (0x00ff
1868 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1869 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1870 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1872 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1874 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1876 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1878 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1879 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1880 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1882 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1884 * final.c (output_asm_name): Use tabs to seperate comments from
1887 Include instruction lengths (if defined) in output.
1889 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1891 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1892 in the loop_info structure.
1894 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1896 * configure.in: (arm*-*-ecos-elf): New target.
1897 * configure: Regenerated.
1898 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1899 * config/arm/ecos-elf.h: New file.
1900 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1903 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1905 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1907 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1909 * version.c: Bump for snapshot.
1911 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1913 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1916 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1918 * version.c: Bump for snapshot.
1920 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1922 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1923 compressed reports are ok and preferred over URLs
1925 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1927 * invoke.texi (Warning Options): Soften the tone of -pedantic
1929 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1931 * print-rtl.c (print_rtx): Add prototype.
1933 * unroll.c (iteration_info): Make it static.
1935 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1937 * alias.c (memrefs_conflict_p): A second ANDed address
1938 disables the aligned address optimization.
1940 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1942 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1945 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1947 * i960.h (BOOL_TYPE_SIZE): Define.
1949 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1951 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1952 from old valid_parallel_operands_4.
1953 (valid_parallel_operands_4): Check that operands for 4 operand
1954 parallel insns are valid, excluding load/store insns.
1955 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1956 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1957 valid_parallel_load_store instead of valid_parallel_operands_4.
1958 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1959 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1960 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1961 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1962 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1963 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1964 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1966 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1968 * config/c4x/c4x.c (iteration_info): Delete extern.
1970 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1972 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1974 * final.c (cleanup_subreg_operands): Delete some unused code.
1976 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1977 (struct insn_alternative): New structure definition.
1978 (recog_op_alt): Declare variable.
1979 (preprocess_constraints): Declare function.
1980 * recog.c (recog_op_alt): New variable.
1981 (extract_insn): Verify number of alternatives is in range.
1982 (preprocess_constraints): New function.
1983 * reg-stack.c: Include recog.h.
1984 (constrain_asm_operands): Delete.
1985 (get_asm_operand_lengths): Delete.
1986 (get_asm_operand_n_inputs): New function.
1987 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1988 N_OUTPUTS args. All callers changed.
1989 Compute number of inputs and outputs here by calling
1990 get_asm_operand_n_inputs.
1991 Instead of constrain_asm_operands, call extract_insn,
1992 constrain_operands and preprocess_constaints. Use information
1993 computed by these functions throughout.
1994 (record_reg_life): Delete code that is unused due to changes in
1995 record_asm_reg_life.
1996 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1997 N_INPUTS and N_OUTPUTS args. All callers changed.
1998 Similar changes as in record_asm_reg_life.
1999 (subst_stack_regs): Move n_operands declaration into the if statement
2001 Delete code that is unused due to changes in subst_asm_stack_regs.
2002 * stmt.c (expand_asm_operands): Verify number of alternatives is in
2004 * Makefile.in (reg-stack.o): Depend on recog.h.
2006 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
2008 * except.c (set_exception_version_code): Argument is an "int".
2010 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
2012 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
2013 * configure: Rebuilt.
2015 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
2017 * configure.in (mipsel-*-linux*): New target.
2018 * mips/linux.h: New file, based on other Linux targets.
2020 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
2022 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
2023 runs in the context of the deleter, not the deletee, so we must
2024 use taskVarGet to find the correct memory to free.
2025 (__gthread_key_create): Initialize the task
2026 variable subsystem so that the task variable is still active when
2027 the delete hook is run.
2029 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
2031 * pdp11.h: Use optimize_size for space optimizations.
2032 * pdp11.c: Likewise.
2033 * pdp11.md: Likewise.
2035 * pdp11.h (TARGET_40_PLUS): Fix typo.
2037 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
2039 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
2042 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2044 * alias.c (addr_side_effect_eval): New function.
2045 (memrefs_conflict_p): Use it.
2046 * rtl.h (addr_side_effect_eval): Prototype it.
2048 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
2050 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
2052 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
2054 * reload.c (find_reloads): When force const to memory, put result
2055 in substed_operand not *recog_operand_loc.
2057 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
2059 * c-lex.c: Fix indentation from last patch.
2060 Remove trailing whitespace.
2063 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
2065 * flow.c (delete_block): Call set_last_insn after we have reset
2066 NEXT_INSN (kept_tail).
2068 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
2070 * mips.md (trap_if): Use "$0" for the value zero.
2072 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
2073 Stephen L Moshier <moshier@world.std.com>
2074 Richard Henderson <rth@cygnus.com>
2076 * c-common.c (declare_function_name): Declare predefinied variable
2079 * c-decl.c (flag_isoc9x): Set to 1 by default.
2080 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
2081 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
2083 * c-parse.in: Allow constructors in ISO C 9x.
2084 Rewrite designator list handling.
2085 Allow [*] parameters.
2086 Don't warn about comma at end of enum definition for ISO C 9x.
2088 * cccp.c (c9x): New variable.
2089 (rest_extension): New variable.
2090 (print_help): Document new -std= option.
2091 (main): Recognize -std= option. Set c9x appropriately.
2092 (create_definition): Recognize ISO C 9x vararg macros.
2094 * gcc.c (default_compilers): Adjust specs for -std options.
2095 (option_map): Add --std.
2096 (display_help): Document -std.
2098 * toplev.c (documented_lang_options): Add -std and remove
2101 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
2102 or REAL_VALUE_HTOF based on base of the constants.
2103 * fold-const.c (real_hex_to_f): New function. Replacement function
2104 for hex FP conversion if REAL_ARITHMETIC is not defined.
2105 * real.c (asctoeg): Add handling of hex FP constants.
2106 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
2109 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
2111 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
2112 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
2113 expansion. Use hi/lo as destination register.
2115 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
2116 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
2117 Avoid as macro expansion. Use hi/lo as destination register.
2119 * mips.h (MASK_CHECK_RANGE_DIV): New.
2120 (MASK_NO_CHECK_ZERO_DIV): New.
2121 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
2122 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
2123 return address for leaf functions out of r31 to support
2124 builtin_return_address.
2126 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2128 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
2129 NEXT_INSN(x) to check insn x.
2131 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
2133 * flow.c (delete_block): Call set_last_insn if we end up deleting the
2134 last insn in the rtl chain.
2136 * reload1.c (reload): Do not set reload_completed or split insns
2138 * toplev.c (rest_of_compilation): Set reload_completed after
2139 reload returns. Split insns after reload_cse has run.
2141 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
2143 * final.c (final_scan_insn): Abort if block_depth falls below 0.
2145 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
2147 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
2149 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
2151 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
2152 use of user-label_prefix.
2154 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2156 * reload1.c (emit_reload_insns): Clear spill_reg_store
2157 when doing a new non-inherited reload from the same pseudo.
2159 * local-alloc.c (function_invariant_p): New function.
2160 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
2161 to decide if an equivalence should be recorded.
2162 * reload1.c (num_eliminable_invariants): New static variable.
2163 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
2164 to decide if an equivalence should be recorded.
2166 (calculate_needs_all_insns): Skip insns that only set an equivalence.
2167 Take num_eliminable_invariants into account when deciding
2168 if register elimination should be done.
2169 (reload_as_needed): Take num_eliminable_invariants into account
2170 when deciding if register elimination should be done.
2171 (eliminate_regs): Handle non-constant reg_equiv_constant.
2172 * rtl.h (function_invariant_p): Declare.
2174 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
2176 * version.c: Bump for snapshot.
2178 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
2180 * version.c: Bump for snapshot.
2182 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
2184 * except.c (add_new_handler): Complain about additional handlers
2185 after one that catches everything.
2187 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
2189 * configure.in (alpha*-*-netbsd): Fix typo.
2190 * configure: Rebuilt.
2192 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2194 * system.h: Include libiberty.h.
2196 * c-aux-info.c: Remove prototypes for concat/concat3. Change
2197 function `concat' from fixed parameters to variable parameters,
2198 as is done in libiberty. All callers of concat/concat3
2199 changed to use the new `concat' with variable args.
2201 * cccp.c: Remove things made redundant by libiberty.h and/or
2202 conform to libiberty standards.
2204 * collect2.c: Likewise.
2205 * config/1750a/1750a.h: Likewise.
2206 * cppalloc.c: Likewise.
2207 * cppexp.c: Likewise.
2208 * cppfiles.c: Likewise.
2209 * cpphash.c: Likewise.
2210 * cpplib.c: Likewise.
2211 * dyn-string.c: Likewise.
2212 * fix-header.c: Likewise.
2215 * genattr.c: Likewise.
2216 * genattrtab.c: Likewise.
2217 * gencheck.c: Likewise.
2218 * gencodes.c: Likewise.
2219 * genconfig.c: Likewise.
2220 * genemit.c: Likewise.
2221 * genextract.c: Likewise.
2222 * genflags.c: Likewise.
2223 * gengenrtl.c: Likewise.
2224 * genopinit.c: Likewise.
2225 * genoutput.c: Likewise.
2226 * genpeep.c: Likewise.
2227 * genrecog.c: Likewise.
2228 * getpwd.c: Likewise.
2229 * halfpic.c: Likewise.
2231 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
2232 in NEED_DECLARATION_* macros.
2234 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
2235 conform to libiberty standards.
2236 (fatal): Fix const-ification of variable `format' in
2237 !ANSI_PROTOTYPES case.
2239 * prefix.c: Remove things made redundant by libiberty.h and/or
2240 conform to libiberty standards.
2242 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
2243 conflicting with function `spaces' from libiberty.
2245 * profile.c: Remove things made redundant by libiberty.h and/or
2246 conform to libiberty standards.
2247 * protoize.c: Likewise.
2250 * tlink.c: Likewise.
2251 * toplev.c: Likewise.
2252 * toplev.h: Likewise.
2255 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2257 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
2259 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2261 * README.C4X: Updated URLs.
2262 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
2263 (valid_parallel_operands_5): Remove unused variable.
2265 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2267 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
2269 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
2271 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
2272 which can be configured.
2273 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
2274 (Makefile): Pass actual LANGUAGES through the environment when
2276 (cstamp-h): Likewise.
2277 (config.status): Likewise.
2279 * configure.in (enable_languages): Add new configuration parameter
2280 "--enable-languages=lang1,lang2,...".
2281 (${srcdir}/*/config-lang.in): Change handling to configure only
2282 those directories, that the user might have enabled; default to
2283 "all" existing languages.
2284 * configure: Regenerate.
2286 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
2288 * rtlanal.c (regs_set_between_p): New function.
2289 * rtl.h (regs_set_between_p): Prototype it.
2290 * jump.c (jump_optimize): Use it instead of modified_between_p
2291 in the Sep 2 change.
2293 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
2294 Matthias Pfaller <leo@dachau.marco.de>
2296 * invoke.texi (Option Summary, NS32K Options): add description
2297 of NS32K specific options.
2299 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
2300 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
2301 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
2302 negdf2, absdf2): Use l instead of f since the double class and
2303 float class are no longer the same.
2304 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
2305 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
2306 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
2307 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
2309 (cmpsi, cmphi, cmpqi): use general_operand instead of
2310 non_immediate_operand. Removes erroneous assumption that can't
2312 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
2313 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
2315 (movstrsi, movstrsi1, movstrsi2): completely new block move
2317 (...): Patterns to exploit multiply-add instructions.
2318 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
2319 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
2320 patterns to exploit extended divide insns.
2321 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
2324 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
2325 float return values as well as simple scalar floats.
2326 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
2327 support new flag to denote 32381 fpu.
2328 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
2329 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
2331 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
2332 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
2333 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
2334 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
2335 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
2336 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
2337 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
2338 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
2339 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
2340 fpu registers and special register classes for new 32381
2341 instructions dotf and polyf.
2342 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
2344 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
2345 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
2347 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
2348 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
2349 (REGISTER_MOVE_COST): move code to register_move_cost function for
2350 ease of coding and debugging.
2351 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
2352 LONG_FLOAT_REGO is likely spilled but not caught by default
2354 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
2355 instead of hard coded numbers in range check.
2356 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
2357 (...): Add prototypes for functions in ns32k.c but disable because
2358 of problems when ns32k.h is included in machine independant files.
2360 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
2361 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
2362 hard_regno_mode_ok, secondary_reload_class,
2363 print_operand, print_operand_address): new register scheme to
2364 include 32381 fpu registers and special register classes for new
2365 32381 instructions dotf and polyf.
2366 (gen_indexed_expr): Make static to keep namespace clean.
2367 (check_reg): remove since never called.
2368 (move_tail, expand_block_move): helper functions for "movstrsi"
2370 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
2371 Increase cost of moves which go via memory.
2372 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
2373 (CPP_PREDEFINES): nolonger predefine "unix".
2375 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
2376 Remove erroneous %$. print_operand() can work out from the rtx is
2377 an immediate prefix is required.
2379 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
2380 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
2381 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
2383 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
2386 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
2387 Correct handling of pic operands.
2388 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
2389 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
2390 -mrtd calling convention.
2392 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
2394 * gcc.c (option_map): Recognize --output-class-directory.
2396 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2398 * loop.h (precondition_loop_p): Added new mode argument.
2399 * unroll.c (precondition_loop_p): Likewise.
2400 (approx_final_value): Function deleted and subsumed
2401 into loop_iterations.
2402 (loop_find_equiv_value): New function.
2403 (loop_iterations): Use loop_find_equiv_value to find increments
2404 too large to be immediate constants. Also use it to find terms
2405 common to initial and final iteration values that can be removed.
2407 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2409 * loop.h (struct loop_info): Define new structure.
2410 (precondition_loop_p): Added prototype.
2411 (unroll_loop): Added new argument loop_info to prototype.
2412 (final_biv_value, final_giv_value): Added new argument n_iterations
2414 * loop.c (strength_reduce): Declare new structure loop_iteration_info
2415 and new pointer loop_info.
2416 (loop_n_iterations): Replace global variable by element in
2417 loop_info structure.
2418 (check_final_value): New argument n_iterations.
2419 (insert_bct): New argument loop_info.
2420 (loop_unroll_factor): Replace global array by element in
2421 loop_info structure.
2422 (loop_optimize): Remove code to allocate and initialise
2423 loop_unroll_factor_array.
2424 * unroll.c (precondition_loop_p): No longer static since
2425 used by branch on count optimization.
2426 (precondition_loop_p, unroll_loop): New argument loop_info.
2427 (final_biv_value, final_giv_value, find_splittable_regs): New
2428 argument n_iterations.
2429 (loop_iteration_var, loop_initial_value, loop_increment,
2430 loop_final_value, loop_comparison_code, loop_unroll_factor):
2431 Replaced global variables by loop_info structure.
2432 (loop_unroll_factor): Replace global array by element in
2433 loop_info structure.
2435 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2437 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
2440 * unroll.c (precondition_loop_p): Return loop_initial_value
2441 for initial_value instead of loop_iteration_var.
2443 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2445 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
2446 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
2447 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
2448 to output the instruction sequences.
2450 (rptb_top): Provide alternatives to use any register or memory
2452 (rptb_end): Emit use of operands rather than assigning them
2453 explicitly to the RS and RE registers.
2455 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2457 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
2458 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
2459 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
2460 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
2461 c4x_merge_notes, c4x_parallel_process,
2462 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
2463 c4x_combine_parallel): Delete.
2465 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2467 * config/c4x/c4x.c: (c4x_override_options): For compatibility
2468 with old target options clear flag_branch_on_count_reg if
2469 -mno-rptb specified and set flag_argument_alias is -mno-aliases
2471 (c4x_output_cbranch): Handle a sequence of insns rather than a
2473 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
2474 has not been allocated as the loop counter.
2475 (c4x_address_conflict): Do not allow two volatile memory references.
2476 (valid_parallel_operands_4, valid_parallel_operands_5,
2477 valid_parallel_operands_6): Reject pattern if the register destination
2478 of the first set is used as part of an address in the second set.
2480 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2482 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
2483 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
2484 is no longer enabled if PARALLEL_MPY_FLAG set.
2485 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
2486 (REG_CLASS_CONTENTS): Add braces around initializers.
2487 (HAVE_MULTIPLE_PACK): Define.
2488 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
2489 REAL_VALUE_TO_DECIMAL.
2490 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
2491 REAL_VALUE_TO_DECIMAL.
2492 (ar0_reg_operand): Add prototype.
2493 (ar0_mem_operand): Likewise.
2494 (ar1_reg_operand): Likewise.
2495 (ar1_mem_operand): Likewise.
2496 (ar2_reg_operand): Likewise.
2497 (ar2_mem_operand): Likewise.
2498 (ar3_reg_operand): Likewise.
2499 (ar3_mem_operand): Likewise.
2500 (ar4_reg_operand): Likewise.
2501 (ar4_mem_operand): Likewise.
2502 (ar5_reg_operand): Likewise.
2503 (ar5_mem_operand): Likewise.
2504 (ar6_reg_operand): Likewise.
2505 (ar6_mem_operand): Likewise.
2506 (ar7_reg_operand): Likewise.
2507 (ar7_mem_operand): Likewise.
2508 (ir0_reg_operand): Likewise.
2509 (ir0_mem_operand): Likewise.
2510 (ir1_reg_operand): Likewise.
2511 (ir1_mem_operand): Likewise.
2512 (group1_reg_operand): Likewise.
2513 (group1_mem_operand): Likewise.
2514 (ir1_reg_operand): Likewise.
2515 (arx_reg_operand): Likewise.
2516 (not_rc_reg): Likewise.
2517 (not_modify_reg): Likewise.
2518 (c4x_group1_reg_operand): Remove prototype.
2519 (c4x_group1_mem_operand): Likewise.
2520 (c4x_arx_reg_operand): Likewise.
2522 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
2524 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
2525 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
2527 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2529 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
2532 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2534 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
2535 unless FMOVD_WORKS is defined.
2537 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2539 * regclass.c (init_reg_sets): Move code that calculates tables
2540 dependent on reg_class_contents from here...
2541 (init_reg_sets_1): To here.
2543 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2545 * cpplib.h: Delete struct import_file. Add ihash element to
2546 struct cpp_buffer. Delete dont_repeat_files and
2547 import_hash_table elements from cpp_reader; change
2548 all_include_files to a hash table. Delete all foobar_include
2549 / last_foobar_include elements from struct cpp_options; put
2550 back four such: quote_include, bracket_include,
2551 system_include, after_include. Redo struct file_name_list
2552 completely. Add new structure type include_hash. Add
2553 prototypes for merge_include_chains and include_hash. Change
2554 prototypes for finclude, find_include_file, and
2555 append_include_chain to match changes below.
2557 * cppfiles.c (simplify_pathname, include_hash,
2558 remap_filename, merge_include_chains): New functions.
2559 (add_import, lookup_import, open_include_file): Removed.
2560 (INO_T_EQ): Define this (copied from cccp.c).
2561 (hack_vms_include_specification): Remove all calls and #if 0
2562 out the definition. It was being called incorrectly and at
2563 the wrong times. Until a VMSie can look at this, it's better
2564 to not pretend to support it.
2565 (append_include_chain): Change calling convention; now takes
2566 only one directory at a time, and sets up the data structure
2568 (redundant_include_p): Rewritten - this is now used for all
2569 include redundancy, whether by #ifndef, #import, or #pragma
2570 once. Looks up things in the include hash table.
2571 (file_cleanup): Decrement pfile->system_include_depth here if
2573 (find_include_file): Calling convention changed; now passes
2574 around a struct include_hash instead of 3 separate parameters.
2575 Guts ripped out and replaced with new include_hash mechanism.
2576 (finclude): Calling convention changed as for
2577 find_include_file. Error exits pulled out-of-line. Reformat.
2578 (safe_read): Return a long, not an int.
2579 (deps_output): Don't recurse.
2581 * cpplib.c (is_system_include): Deleted.
2582 (path_include): Fix up call to append_include_chain.
2583 (do_include): Fix up calls to find_include_file and finclude.
2584 Clean up dependency output a bit. Shorten obnoxiously lengthy
2585 #import warning message. Don't decrement
2586 pfile->system_include_depth here.
2587 (do_pragma): Understand the include_hash structure. Reformat.
2588 (do_endif): Correct handling of control macros. Understand
2590 (cpp_start_read): Fix up calls to finclude. Call
2591 merge_include_chains.
2592 (cpp_handle_option): Fix up calls to append_include_chain.
2593 Understand the four partial include chains.
2594 (cpp_finish): Add debugging code (#if 0-ed out) for the
2596 (cpp_cleanup): Free the include_hash, not the import hash and
2597 the all_include and dont_repeat lists which no longer exist.
2599 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
2601 * toplev.c (no_new_pseudos): Define.
2602 (rest_of_compilation): Set no_new_pseudos as needed.
2603 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
2604 if no_new_pseudos is set.
2605 * rtl.h (no_new_pseudos): Declare it.
2606 * reload1.c (reload): Update comments.
2607 * md.texi: Corresponding changes.
2609 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2611 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
2612 (choose_reload_regs): Rename it here as well. When computing it,
2613 also merge in used hardregs.
2615 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2617 * gcc.c: Split out Objective-C specs to...
2618 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
2621 * c-lex.c (init_parse): Always initialize the filename global.
2622 * objc/objc-act.c (lang_init): Always call check_newline at
2625 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
2627 * reload1.c (reload): Remove unused variable.
2628 (reload_reg_free_for_value_p): Add missing parameter definition.
2630 * jump.c (jump_optimize): Remove unused variable.
2632 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
2634 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
2636 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
2638 * expr.c (move_by_pieces): Similarly.
2639 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
2640 * flow.c (find_auto_inc): Similarly.
2641 (try_pre_increment): Similarly.
2642 * loop.c (strength_reduce): Similarly.
2643 * regclass.c (auto_inc_dec_reg_p): Similarly.
2644 * regmove.c (try_auto_increment): Similarly.
2645 (fixup_match_1): Similarly.
2646 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
2647 (HAVE_PRE_DECREMENT): Similarly.
2648 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
2649 * Corresponding changes to all target header files.
2650 * tm.texi: Update docs for autoinc addressing modes.
2652 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
2654 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
2655 * configure: Rebuild.
2656 * config/elfos.h: New file.
2657 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
2658 config/m68k/t-m68kelf: New file.
2660 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
2662 * Makefile.in (HOST_AR): Define.
2663 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
2664 (libcpp.a): Use the host tools explicitly.
2665 (STAGESTUFF): Add libcpp.a.
2667 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
2669 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
2670 to source and destination registers.
2672 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
2674 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
2675 The strategy we now use is to pre allocate the top_elt along
2676 with the EH context so that each thread has its own top_elt.
2677 This is necessary as the dynmanic cleanup chain is used on the
2678 top element of the stack and each thread MUST have its own.
2679 (eh_context_static): Likewise.
2680 (new_eh_context): Likewise.
2681 (__sjthrow): Likewise.
2683 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
2685 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
2686 * i386.md (prologue_get_pc): Remove unused variable.
2688 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
2690 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
2692 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
2694 * Makefile.in (OBJS): Add graph.o
2695 (graph.o): New dependency list.
2696 * flags.h: Declare dump_for_graph and define graph_dump_types type.
2697 * print-rtl.c (dump_for_graph): Define new variable.
2698 (print_rtx): Rewrite to allow use in graph dumping functions.
2699 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
2700 finish_graph_dump_file.
2701 Define graph_dump_format.
2702 (compile_file): If graph dumping is enabled also clear these files.
2703 Finish graph dump files.
2704 (rest_of_compilation): Also dump graph information if enabled.
2705 (main): Recognize -dv to enabled VCG based graph dumping.
2706 * graph.c: New file. Graph dumping functions.
2708 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
2710 * configure.in: Look for <sys/stat.h>.
2711 * system.h: Include it before substitute S_ISREG definitions.
2713 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
2715 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
2716 * config/mips/iris6.h: Same.
2717 * config/mips/mips.md: Same.
2718 * config/mips/mips.c: Same; also add "-mabi=o64" option.
2719 * config/mips/mips.h: Same; also define ABI_O64.
2721 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2723 * configure.in: Use AC_PREREQ(2.12.1).
2725 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2727 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
2728 * cpplib.c, gcc.c: Likewise.
2729 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
2731 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
2733 * local-alloc.c (local_alloc): Use malloc not alloca for
2734 reg_qty, reg_offset, ref_next_in_qty.
2736 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2738 * caller-save.c (insert_one_insn): Initialize the live_before and
2739 live_after register sets.
2743 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
2744 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
2745 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
2746 (fp_reg_names, assembler_dialect): New variables.
2747 (print_operand_address): Handle SUBREGs.
2748 (print_operand): Added 'o' case.
2749 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
2750 Name of FP registers depends on mode.
2751 (expand_block_move): Emit different code for SH4 hardware.
2752 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
2753 (from_compare): Likewise.
2754 (add_constant): New argument last_value. Changed all callers.
2755 (find_barrier): Don't try HImode load for FPUL_REG.
2756 (machine_dependent_reorg): Likewise.
2757 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
2758 (gen_far_branch): Emit a barrier after the new jump.
2759 (barrier_align): Don't trust instruction lengths before
2761 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
2762 Use auto-inc addressing for fp registers if doubles need to
2763 be loaded in two steps.
2764 Set sh_flag_remove_dead_before_cse.
2765 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
2766 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
2767 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
2768 Support for FIRST_XD_REG .. LAST_XD_REG.
2769 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
2770 (sh_expand_epilogue): Likewise.
2771 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
2772 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
2773 (arith_reg_operand): FPUL_REG is OK for SH4.
2774 (fp_arith_reg_operand, fp_extended_operand) New functions.
2775 (tertiary_reload_operand, fpscr_operand): Likewise.
2776 (commutative_float_operator, noncommutative_float_operator): Likewise.
2777 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
2778 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
2779 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
2780 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
2781 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
2782 (CONDITIONAL_REGISTER_USAGE): Likewise.
2783 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
2784 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
2785 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
2786 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
2787 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
2788 to -1 and sh_flag_remove_dead_before_cse to 1.
2789 (ASSEMBLER_DIALECT): Define to assembler_dialect.
2790 (assembler_dialect, fp_reg_names): Declare.
2791 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
2792 Hide names of registers that are not accessible.
2793 (CACHE_LOG): Take TARGET_CACHE32 into account.
2794 (LOOP_ALIGN): Take TARGET_HARWARD into account.
2795 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
2796 (FIRST_PSEUDO_REGISTER: Now 49.
2797 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
2798 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
2799 (HARD_REGNO_MODE_OK): Update.
2800 (enum reg_class): Add DF_REGS and FPSCR_REGS.
2801 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
2802 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
2803 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
2804 (NPARM_REGS): Eight floating point parameter registers on SH4.
2805 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2806 in floating point registers.
2807 (GET_SH_ARG_CLASS) Likewise.
2808 Complex float types are also returned in float registers.
2809 (BASE_ARG_REG): Complex float types are also passes in float registers.
2810 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2811 (LIBCALL_VALUE): Remove trailing semicolon.
2812 (ROUND_REG): Round when double precision value is passed in floating
2814 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2815 passed on the stack.
2816 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2817 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2818 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2819 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2820 (MODE_DISP_OK_8): Not for SH4 DFmode.
2821 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2822 Allow indexed addressing for PSImode after reload.
2823 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2824 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2825 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2826 (DOUBLE_TYPE_SIZE): 64 for SH4.
2827 (RTX_COSTS): Add PLUS case.
2828 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2829 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2830 MAC_REGS, PR_REGS, DF_REGS.
2831 (REGISTER_NAMES): Use fp_reg_names.
2832 (enum processor_type): Add PROCESSOR_SH4.
2833 (sh_flag_remove_dead_before_cse): Declare.
2834 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2835 (PREDICATE_CODES): Add binary_float_operator,
2836 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2837 fpscr_operand, noncommutative_float_operator.
2838 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2839 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2840 * sh.md (attribute cpu): Add value sh4.
2841 (attrbutes fmovd, issues): Define.
2842 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2843 (function units memory, int, mpy, fp): Make dependent on issue rate.
2844 (function units issue, single_issue, load_si, load): Define.
2845 (function units load_store, fdiv, gp_fpul): Define.
2846 (attribute hit_stack): Provide proper default.
2847 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2848 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2849 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2850 (mulsi3_call): Now uses match_operand for function address.
2851 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2853 (push, pop, push_e, pop_e): Now define_expands.
2854 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2855 (movsi_ie): Added y/i alternative.
2856 (ic_invalidate_line_i, movdf_i4): New insns.
2857 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2858 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2859 (movdf): Add special code for SH4.
2860 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2861 (call_valuei, calli, call_value): Likewise.
2862 (movsf): Emit no-op move.
2863 (mov_nop, movsi_y): New insns.
2864 (blt, sge): generalize to handle DFmode.
2865 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2866 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2867 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2868 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2869 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2870 (toggle_sz): New insn.
2871 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2872 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2873 (macsf3): Make use of fpscr visible. Disable for SH4.
2874 (floatsisf2): Make use of fpscr visible.
2875 (floatsisf2_i4): New insn.
2876 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2877 (ieee_ccmpeqsf_t): Likewise.
2878 (fix_truncsfsi2): Emit different code for SH4.
2879 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2880 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2881 (negsf2, sqrtsf2, abssf2): Now expanders.
2882 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2883 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2884 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2885 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2886 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2887 (fix_truncdfsi2_i4_2+1): New splitters.
2888 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2889 (extendsfdf2, truncdfsf2): New expanders.
2890 (truncdfsf2_i4): New insn.
2891 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2892 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2893 * float-sh.h: When testing for __SH3E__, also test for
2894 __SH4_SINGLE_ONLY__ .
2895 * va-sh.h (__va_freg): Define to float.
2896 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2897 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2898 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2899 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2901 (TARGET_SH4_P): Define.
2904 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2905 init_expr_once is satisfied about the existence of load / store insns.
2907 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2908 change m constraint in source operand to mr / mf .
2910 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2912 * (__VA_REEF): Define.
2913 (__va_arg_sh1): Use it.
2915 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2917 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2919 * i386/dgux.c (struct option): Add new "description field".
2920 * m88k/m88k.c (struct option): Likewise.
2922 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2924 * version.c: Bump for snapshot.
2926 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2928 * regmove.c (regmove_profitable_p): Use return value of find_matches
2931 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2933 * version.c: Bump for snapshot.
2935 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2937 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2938 without reload having been called earlier.
2940 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2942 (v850_reorg): Similarly.
2944 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2946 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2948 * loop.c (move_movables): Start of libcall might be new loop start.
2950 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2952 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2954 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2956 * function.c (nonlocal_goto_handler_slots): Renamed from
2957 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2958 (push_function_context_to): Adjust for this change.
2959 (pop_function_context_from): Likewise.
2960 (init_function_start): Likewise.
2961 (expand_function_end): Likewise.
2962 * function.h (struct function): Likewise.
2963 * calls.c (expand_call): Likewise.
2964 * explow.c (allocate_dynamic_stack_space): Likewise.
2965 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2966 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2968 (expand_goto): When doing a nonlocal goto, find corresponding handler
2969 slot for it. Don't put the label address in the static chain register.
2970 (expand_end_bindings): Break out nonlocal goto handling code into
2971 three new functions.
2972 (expand_nl_handler_label, expand_nl_goto_receiver,
2973 expand_nl_goto_receivers): New static functions, broken out of
2974 expand_end_bindings and adapted to create one handler per nonlocal
2976 * function.c (delete_handlers): Delete insn if it references any of
2977 the nonlocal goto handler slots.
2978 * i960.md (nonlocal_goto): Comment out code that modifies
2980 * sparc.md (nonlocal_goto): Likewise.
2981 (goto_handler_and_restore_v9): Comment out.
2982 (goto_handler_and_restore_v9_sp64): Comment out.
2984 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2986 * expr.c (STACK_BYTES): Delete unused macro.
2987 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2988 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2989 (expand_call): Likewise.
2990 (emit_library_call): Likewise.
2991 (emit_library_call_value): Likewise.
2992 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2993 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2994 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2995 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2996 (allocate_dynamic_stack_space): Likewise.
2997 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2998 (STACK_BOUNDARY): Update description to reflect the new situation.
3000 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
3002 * reorg.c (relax_delay_slots): When optimizing for code size, if a
3003 return with a filled delay slot is followed by a return with an
3004 unfilled delay slot, delete the first return and reemit the insn
3005 that was previously in its delay slot.
3007 * i860.c (single_insn_src_p): Add missing parens.
3008 * ginclude/math-3300.h: Likewise.
3010 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
3012 * regclass.c (init_reg_sets_1): Add prototype.
3013 (init_reg_modes): Likewise.
3015 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
3017 * c-common.c: Change warning messages to say `comparison is
3018 always true' or `comparison is always false' instead of the
3019 confusing `is always 0', `is always 1'.
3021 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
3023 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
3024 break instead of return (which loses closing '>').
3026 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
3028 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
3029 standard 387 constants.
3031 * i386.md (jump): Explicitly set "memory" attribute.
3032 (indirect_jump, prologue_set_stack_ptr): Likewise.
3033 (prologue_get_pc_and_set_got, pop): Likewise.
3034 (allocate_stack_worder, blockage, return_internal): Likewise.
3035 (return_pop_internal, nop): Likewise.
3036 (epilogue_set_stack_ptr, leave): Likewise.
3038 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
3040 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
3042 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3044 * reload1.c (reload_reg_free_for_value_p):
3045 Early auto_inc reloads don't conflict with outputs.
3047 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3049 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
3050 Instead call AC_HEADER_SYS_WAIT.
3052 * collect2.c: Don't provide defaults for sys/wait.h macros.
3054 * protoize.c: Likewise. Also, don't include sys/wait.h.
3056 * system.h: Include sys/wait.h and provide macro defaults.
3058 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3060 * Makefile.in (mandir): Set to @mandir@.
3061 (man1dir): New variable to hold the former value of $(mandir).
3062 Replace all uses of $(mandir) by $(man1dir).
3064 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
3066 * reload.c (find_reloads_address_part): If have a CONST_INT, create
3067 a new one before passing it to force_const_mem.
3069 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
3070 find_reloads_address call.
3072 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3074 * expr.c (store_expr): Don't generate load-store pair
3075 if TEMP is identical (according to ==) with TARGET.
3077 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3079 * reload1.c (reload_reg_free_for_value_p): When considered reload
3080 has an output, matching inputs are not sufficient to avoid conflict.
3082 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
3084 * hash.h (hash_table_key): New type.
3085 (hash_entry): Change `string' field to generic `key'.
3086 (hash_table): Add `comp' and `hash' functions.
3087 (hash_table_init): Take them as input.
3088 (hash_table_init_n): Likewise.
3089 (hash_lookup): Modify for generic keys.
3090 (hash_newfunc): Likewise.
3091 (hash_traverse): Likewise.
3092 (string_hash): New function.
3093 (string_compare): Likewise.
3094 (string_copy): Likewise.
3095 * hash.c (hash_table_init_n): Modify for generic keys.
3096 (hash_table_init): Likewise.
3097 (hash_lookup): Likewise.
3098 (hash_newfunc): Likewise.
3099 (hash_traverse): Likewise.
3100 (string_hash): Split out from hash_lookup.
3101 (string_compare): New function.
3102 (string_copy): Split out from hash_lookup.
3103 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
3105 (symbol_hash_lookup): Likewise.
3106 (file_hash_newfunc): Likewise.
3107 (file_hash_lookup): Likewise.
3108 (demangled_hash_newfunc): Likewise.
3109 (demangled_hash_lookup): Likewise.
3110 (tlink_int): Likewise.
3111 (read_repo_file): Likewise.
3112 (recompile_files): Likewise.
3113 (demangle_new_symbols): Likewise.
3114 (scan_linker_output): Likewise.
3116 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3118 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
3120 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
3122 * rs6000.c (output_mi_thunk): Improve test for local branch.
3124 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3126 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
3128 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3130 * reload1.c (reload_reg_free_before_p): Delete.
3131 Changed all callers to use reload_reg_free_for_value_p instead.
3132 (reload_reg_free_for_value_p): Handle more reload types.
3133 A RELOAD_FOR_INPUT doesn't conflict with its
3134 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
3135 Add special case for OUT == const0_rtx.
3136 Added ignore_address_reloads argument. Changed all callers.
3138 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
3140 * toplev.c (compile_file): Don't pedwarn about undefined static
3141 functions just because we passed -Wunused.
3143 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3145 * function.c (purge_addressof_1): Unshare rtl created by
3148 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3150 * regmove.c (regmove_optimize): Don't do anything but
3151 optimize_reg_copy[123] when flag_regmove is not set.
3153 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
3155 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
3156 value in paradoxical SImode result, rather than truncating midpoint.
3158 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
3160 * alpha.c (reg_not_elim_operand): New.
3161 * alpha.h (PREDICATE_CODES): Add it.
3162 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
3163 for the multiplicand.
3165 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
3167 * rs6000.md (movsf): Remove explicit secondary-reload-like
3168 functionality. Only truncate SFmode store if in FPR.
3169 (movsf splitters): Combine const_double splitters.
3170 (movsf_hardfloat): Add GPR support.
3172 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
3174 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
3175 deprecate -mlive-g0 and -mbroken-saverestore.
3176 * t-splet (MULTILIB_OPTIONS): Likewise.
3178 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
3179 in a leaf function. Clarify total_size/extra_size relationship.
3181 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
3183 * i386/cygwin32.asm: Delete.
3184 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
3185 * i386/cygwin32.h: Delete.
3186 * i386/cygwin.h: New file, renamed from cygwin32.h.
3187 * i386/t-cygwin32: Delete.
3188 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
3189 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
3190 * i386/x-cygwin32: Delete.
3191 * i386/x-cygwin: New file, renamed from x-cygwin32.
3192 * i386/xm-cygwin32: Delete.
3193 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
3194 renamed cygwin_ funcs for path translations.
3195 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
3196 * i386/winnt.c: Remove "32" from comment about cygwin.
3197 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
3198 * rs6000/cygwin32.h: Delete.
3199 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
3200 -D__CYGWIN__ to CPP_PREDEFINES.
3201 * rs6000/x-cygwin32: Delete.
3202 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
3203 * rs6000/xm-cygwin32: Delete.
3204 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
3206 * configure.in: Check for cygwin* instead of cygwin32. Account
3207 for the rename of cygwin-related config files to lose the "32"s.
3208 * configure: Regenerate.
3210 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
3211 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
3213 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
3215 * Makefile.in (JAVAGC): New macro.
3216 * configure: Rebuilt.
3217 * configure.in: Recognize --enable-java-gc argument. Subst
3220 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3222 Handle equivalences that have been obscured by gcse:
3224 * reload1.c (reload): Handle equivalences set up in multiple places.
3225 * local-alloc.c (reg_equiv_init_insns): New variable.
3226 (no_equiv): New function.
3227 (update_equiv_regs): Handle equivalences set up in multiple places.
3228 Don't ignore an insn just because its destination is likely to be
3231 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
3233 * except.c (expand_eh_return): Readd force_operand call lost in
3236 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
3238 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
3240 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3242 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
3244 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3246 * regmove.c (regmove_optimize): Fix error in last change.
3248 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
3250 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
3251 offset in the .mask pseudo to compensate for frame pointer adjustments.
3252 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
3253 word swap arguments moved to/from FP registers.
3254 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
3256 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
3258 * version.c: Bump for snapshot.
3260 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
3262 * version.c: Bump for snapshot.
3264 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
3266 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
3267 times, then it can not be completely replaced.
3269 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
3271 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
3273 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3275 * gansidecl.h: Prepend a "G" to the macro wrapping this file
3276 (to distinguish it from the macro wrapping ansidecl.h.)
3277 Include libiberty's ansidecl.h. Remove all redundant definitions.
3278 Define the PROTO() style macros in terms of the PARAMS() ones.
3281 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
3282 __STDC__, when deciding whether to use ANSI variable args.
3283 (emit_library_call_value): Likewise.
3285 * cccp.c (error): Likewise.
3286 (warning): Likewise.
3287 (error_with_line): Likewise.
3288 (warning_with_line): Likewise.
3289 (pedwarn): Likewise.
3290 (pedwarn_with_line): Likewise.
3291 (pedwarn_with_file_and_line): Likewise.
3294 * cexp.y (error): Likewise.
3295 (pedwarn): Likewise.
3296 (warning): Likewise.
3298 * collect2.c (fatal_perror): Likewise.
3302 * combine.c (gen_rtx_combine): Likewise.
3304 * cpperror.c (cpp_message): Likewise.
3305 (cpp_fatal): Likewise.
3307 * cpplib.c (cpp_error): Likewise.
3308 (cpp_warning): Likewise.
3309 (cpp_pedwarn): Likewise.
3310 (cpp_error_with_line): Likewise.
3311 (cpp_warning_with_line): Likewise.
3312 (cpp_pedwarn_with_line): Likewise.
3313 (cpp_pedwarn_with_file_and_line): Likewise.
3315 * cpplib.h: Don't define PARAMS() macro.
3317 * demangle.h: Likewise.
3319 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
3320 when deciding whether to use ANSI variable args.
3322 * emit-rtl.c (gen_rtx): Likewise.
3323 (gen_rtvec): Likewise.
3325 * final.c (asm_fprintf): Likewise.
3327 * fix-header.c (cpp_message): Likewise.
3329 (cpp_fatal): Likewise.
3331 * gcc.c (concat): Likewise.
3335 * genattr.c (fatal): Likewise.
3337 * genattrtab.c (attr_rtx): Likewise.
3338 (attr_printf): Likewise.
3341 * gencodes.c (fatal): Likewise.
3343 * genconfig.c (fatal): Likewise.
3345 * genemit.c (fatal): Likewise.
3347 * genextract.c (fatal): Likewise.
3349 * genflags.c (fatal): Likewise.
3351 * genopinit.c (fatal): Likewise.
3353 * genoutput.c (fatal): Likewise.
3356 * genpeep.c (fatal): Likewise.
3358 * genrecog.c (fatal): Likewise.
3360 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
3361 deciding whether to declare `tree_node' and `rtx_def'.
3363 * hash.h: Don't define stuff we get from gansidecl.h.
3365 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
3366 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
3367 whether to use ANSI variable args.
3370 * prefix.c (concat): Likewise.
3374 * system.h: Likewise.
3376 * toplev.c (error_with_file_and_line): Likewise.
3377 (error_with_decl): Likewise.
3378 (error_for_asm): Likewise.
3381 (warning_with_file_and_line): Likewise.
3382 (warning_with_decl): Likewise.
3383 (warning_for_asm): Likewise.
3384 (warning): Likewise.
3385 (pedwarn): Likewise.
3386 (pedwarn_with_decl): Likewise.
3387 (pedwarn_with_file_and_line): Likewise.
3389 (really_sorry): Likewise.
3391 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
3392 whether to declare `tree_node' and `rtx_def'.
3394 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
3395 deciding whether to use ANSI variable args.
3396 (build_nt): Likewise.
3397 (build_parse_node): Likewise.
3399 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
3401 * version.c: Bump for snapshot.
3403 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3405 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
3407 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3409 * collect2.c (main, case 'b'): Use else if.
3411 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3413 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
3414 Arrange to include gansidecl.h in {ht}config.h & tm.h just
3415 before the config/ directory headers.
3416 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
3417 gansidecl.h in the list of dependencies.
3419 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
3420 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
3421 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
3422 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
3423 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
3424 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
3427 * cccp.c: Don't include gansidecl.h.
3429 * collect2.c: Likewise.
3430 * config/c4x/c4x.c: Likewise.
3431 * config/v850/v850.h: Likewise.
3432 * cppalloc.c: Likewise.
3433 * cpperror.c: Likewise.
3434 * cppexp.c: Likewise.
3435 * cppfiles.c: Likewise.
3436 * cpphash.c: Likewise.
3437 * cpplib.c: Likewise.
3438 * cppmain.c: Likewise.
3439 * cppulp.c: Likewise.
3440 * demangle.h: Likewise.
3441 * doprint.c: Likewise.
3442 * dyn-string.c: Likewise.
3443 * eh-common.h: Likewise.
3444 * fix-header.c: Likewise.
3445 * frame.c: Likewise.
3448 * gen-protos.c: Likewise.
3449 * gencheck.c: Likewise.
3450 * halfpic.h: Likewise.
3452 * machmode.h: Likewise.
3453 * mbchar.c: Likewise.
3454 * prefix.c: Likewise.
3455 * protoize.c: Likewise.
3456 * recog.h: Likewise.
3458 * scan-decls.c: Likewise.
3460 * varray.h: Likewise.
3462 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
3464 * i386.md (call_value_pop): If we're not popping anything,
3465 defer to call_value.
3466 (call_pop): Likewise defer to call.
3468 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
3470 * function.c (purge_addressof): Clear purge_addressof_replacements
3471 only after processing the whole function.
3473 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
3475 * reload1.c (reload): If we can not perform a particular elimination
3476 when we thought we could earlier, then we must always iterate through
3477 the loop at least one more time.
3479 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
3481 * alpha.c (add_operand): Simplify the CONST_INT match.
3482 (sext_add_operand): Correct typo in comparison by using
3483 CONST_OK_FOR_LETTER_P.
3484 * alpha.md (s?addq): Use sext_add_operand to allow the negative
3485 constant alternatives to be generated.
3486 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
3487 small constants, since the hw instructions do.
3489 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3491 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
3492 previous insn to store directly into our reload register, make sure
3493 that if the source of the previous insn is a reload register, its
3494 spill_reg_store and spill_reg_stored_to values are cleared.
3496 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
3498 * rs6000.md (floatunssidf2_internal splitter): Use base register
3499 operand, not hard-coded SP.
3501 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3503 * jump.c (calculate_can_reach_end): Fix thinko.
3505 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
3507 * reorg.c (fill_simple_delay_slots): Fix typo.
3509 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
3511 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
3513 * i386.md (extendsidi2): Use # in the output template.
3514 (extendsidi splitters): New splitters.
3516 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
3518 * configure.in: Use unknown-elf.h as tm_file for arm-elf
3520 * configure: Regenerate.
3522 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3524 * jump.c (init_label_info, delete_barrier_successors,
3525 mark_all_labels, delete_unreferenced_labels,
3526 delete_noop_moves, calculate_can_reach_end): New functions broken
3527 out of jump_optimize.
3528 (jump_optimize): Use them.
3530 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3532 * except.c (expand_fixup_region_end): Make sure outer context labels
3533 are not issued in an inner context during cleanups.
3535 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
3537 * alpha.md (addsi3, subsi3): No new temporaries once cse is
3540 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
3542 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
3543 to expose this midpoint to CSE.
3545 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3547 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
3549 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3551 * configure.in: Bring over gcc2 change of Nov 19 1997.
3553 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
3555 * toplev.c (output_lang_identify): Make definition dependent on
3556 ASM_IDENTIFY_LANGUAGE.
3558 * print-rtl.c (spaces): Make static.
3560 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
3562 * extend.texi: Clarify proper uses for register clobbers in asms.
3564 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3566 * recog.h (enum op_type): Define.
3567 (constrain_operands): Adjust prototype.
3568 (recog_op_type): Declare new variable.
3569 * recog.c (recog_op_type): New variable.
3570 (insn_invalid_p): Allow modifying an asm statement after reload.
3571 (extract_insn): Set up recog_op_type.
3572 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
3573 Don't compute operand types, use recog_op_type.
3574 Use the information computed by extract_insn instead of the previous
3575 method of finding it by insn code number.
3576 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
3577 * reorg.c (fill_slots_from_thread): Likewise.
3578 * reload1.c (reload_as_needed): Likewise.
3579 (gen_reload): Likewise.
3580 (inc_for_reload): Likewise.
3581 (reload_cse_simplify_operands): Likewise.
3582 Use the information computed by extract_insn instead of the previous
3583 method of finding it by insn code number.
3584 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
3586 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
3587 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
3588 Use the information computed by extract_insn instead of the previous
3589 method of finding it by insn code number.
3590 * regmove.c (find_matches): Likewise. Change meaning of the return
3591 value to be nonzero if the optimization can be performed, zero if
3592 not. All callers changed.
3593 Shorten some variable names to fix formatting problems.
3594 (regmove_optimize): Shorten some variable names to fix formatting
3596 Use the information computed by extract_insn instead of the previous
3597 method of finding it by insn code number.
3598 * regclass.c (scan_one_insn): Likewise.
3599 (record_reg_classes): Don't compute operand types, use recog_op_type.
3600 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
3601 recog_constraints instead.
3603 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
3605 * rtl.h (flow2_completed): Declare.
3606 * flow.c (flow2_completed): Definition.
3607 * toplev.c (rest_of_compilation): Set and clear flow2_completed
3610 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
3612 * Makefile.in (libcpp.a): Ranlib libcpp.a
3614 * cppulp.c (user_label_prefix): Initialize.
3616 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
3618 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
3619 at a RETURN if current_function_sp_is_unchanging is set.
3621 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3623 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
3625 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
3627 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
3628 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
3629 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
3630 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
3631 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
3632 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
3634 (LIB_SPEC): Handle -mno-cyginw option.
3635 (LINK_SPEC): Handle -mdll.
3637 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3639 * reload.c (find_reloads): Fix test for usage by other reload
3640 to handle secondary reloads properly.
3642 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3644 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
3645 intermediate structure which has exactly the members provided by
3646 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
3647 static intermediate structure.
3649 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
3650 from the intermediate structure. Do the same analogous fix in
3651 the case where ELIMINABLE_REGS is not defined.
3653 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
3655 * pa.h (SELECT_SECTION): Fix thinko.
3657 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
3659 * dwarf2out.c (output_call_frame_info): Comments on last change.
3661 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
3663 * arm.c (add_constant): When taking the address of an item in the
3664 pool, get the mode of the item addressed.
3666 * arm.c (final_prescan_insn case INSN): If an insn doesn't
3667 contain a SET or a PARALLEL, don't consider it for conditional
3670 Restore ABI compatibility for NetBSD.
3671 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
3673 (RETURN_IN_MEMORY): Likewise.
3675 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
3677 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
3678 (m32r_output_block_move): Rewrite bytes < 4 handling.
3680 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3682 * configure.in: Call AC_FUNC_VFORK.
3684 * collect2.c: Define VFORK_STRING as a printable string for
3685 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
3686 defined, include vfork.h. If VMS is defined, define vfork()
3687 appropriately. Remove vfork check on USG, we're using autoconf.
3688 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
3689 checking locally what string to pass.
3690 (scan_prog_file): Likewise.
3691 (scan_libraries): Likewise.
3693 * gcc.c: Remove vfork check on USG, we're using autoconf.
3694 Besides, no calls to vfork/fork occur in this file.
3696 * protoize.c: Likewise.
3698 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3700 * configure.in (DEFAULT_LINKER): renamed from LD
3701 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
3702 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
3703 * configure: rebuilt
3705 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3707 * BUGS: fix the regexp for `more' to find the appropriate node.
3708 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
3710 * BUGS: added link to the WWW FAQ
3712 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
3714 * version.c: Bump for snapshot.
3716 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
3718 * From Christian Gafton:
3719 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
3720 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
3721 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
3723 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
3725 * c-common.c (c_get_alias_set): Allow all type-punning through
3726 unions. Don't get confused about the type of a bit-field, despite
3727 the antics of build_modify_expr.
3729 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
3731 * fixinc.sco: Paramaterize #include_next values.
3732 * fixinc/fixinc.sco: Likewise.
3734 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
3736 * toplev.c (rest_of_compilation): No longer set reload_completed.
3737 * reload1.c (reload): Set it here. Perform instruction splitting
3738 after reload has completed if we will be running the scheduler
3741 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
3743 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
3744 EH region if exceptions are enabled and we're performing cross
3746 (find_cross_jump): Exit loop if the insns are in different EH regions.
3748 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
3750 * dwarf2out.c (output_call_frame_info): Use
3751 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
3753 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3755 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
3756 * c-common.c (check_format_info): Don't check for the 'x'
3757 format character twice, instead check for 'x' and 'X'
3759 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
3761 * configure.in (assembler features): Also make gas is configured if
3762 we find it in the souce tree.
3764 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
3766 * i386.c (i386_comp_type_attributes): Compare whether the
3767 attributes are defined, not their tree nodes.
3769 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3771 * configure.in (gxx_include_dir): bitten by autoconf quoting
3773 * configure: rebuilt
3775 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3777 * configure.in: Ignore non-absolute value in $AS.
3779 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
3781 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
3783 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
3785 * configure.in (msdosdjgpp): Set exeext and target_alias.
3787 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3789 * flow.c (XNMALLOC): New macro.
3790 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
3792 (add_edge, add_edge_to_label): New static functions.
3793 (free_bb_memory): New function.
3794 (flow_delete_insn): Delete function.
3795 (basic_block_drops_in): Delete variable.
3796 (find_basic_blocks): Allocate and initialize basic_block_head,
3797 basic_block_succ. Don't allocate basic_block_drops_in.
3798 Call free_bb_memory at the beginning.
3799 (find_basic_blocks_1): Don't do multiple passes.
3800 Delete code to compute basic_block_drops_in.
3801 After calling make_edges, mark blocks reached by current block live.
3802 Update test for unreachable live blocks.
3803 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3805 Simplify to call add_edge_to_label when a LABEL_REF is found.
3806 (make_edges): Simplify to call add_edge_to_label instead of
3807 mark_label_ref most of the time.
3808 Compute here whether control drops into the next block.
3809 (delete_unreachable_blocks): Return void. All callers changed.
3810 Delete unreachable blocks in reverse order.
3811 After deleting all unreachable blocks, renumber the remaining ones
3812 and update n_basic_blocks.
3813 (delete_block): Speed up deletion a bit.
3814 Don't set basic_block_drops_in for deleted blocks.
3815 (free_basic_block_vars): Don't free basic_block_drops_in.
3816 (life_analysis_1): Update to use new edge representation.
3817 (dump_flow_info): Delete code to print basic block info; call
3818 dump_bb_data instead.
3819 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3820 and uid_block_number.
3821 Simply copy the previously computed cfg.
3822 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3823 Print register lifetime information if LIVE_INFO is nonzero.
3824 * basic-block.h (dump_bb_data): Adjust prototype.
3825 * gcse.c (gcse_main): Update call to dump_bb_data.
3826 * rtl.h (free_bb_memory): Declare.
3827 * toplev.c (rest_of_compilation): Call free_bb_memory.
3829 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3830 (update_eliminable_offsets): Don't compute it.
3831 (set_initial_elim_offsets): Don't initialize it.
3832 Break out some code into set_initial_label_offsets so the rest of
3833 this function can be called from reload_as_needed.
3834 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3835 ELIMINABLE_REGS isn't.
3836 (set_initial_label_offsets): New function, broken out of
3837 set_initial_elim_offsets.
3838 (set_offsets_for_label): New function, broken out of set_label_offsets
3839 and reload_as_needed.
3840 (reload): Call the two new functions.
3841 (reload_as_needed): Call set_initial_elim_offsets instead of
3842 duplicating the code. Likewise for set_offsets_for_label.
3844 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3845 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3846 any hard reg, reg_reloaded_dead contains valid data.
3848 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3850 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3851 "stdcall" and "cdecl" attributes.
3853 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3855 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3856 handle deleted no-op moves of hard registers.
3857 * haifa-sched.c (update_flow_info): Likewise.
3859 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3861 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3862 of the sequences to reload the HILO register which do not actually
3865 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3867 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3869 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3871 * except.c (emit_eh_context): Make the EH context register stay alive
3872 at -O0 so stupid.c doesn't get confused.
3874 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3876 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3878 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3879 Jeffrey A Law (law@cygnus.com)
3881 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3882 (zero_extendsidi2): Use # in output template and handle completely by
3884 (zero_extend splitters): New define_splits.
3885 (ashiftrt_32): New pattern.
3887 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3889 * tree.c (append_random_chars): New fn.
3890 (get_file_function_name_long): Use it.
3892 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3894 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3895 (LIBCPP_OBJS): New. Add cppulp.o.
3896 (cppmain, fix-header): Depend on and use libcpp.a.
3897 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3898 of the individual object files.
3899 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3902 * cccp.c (user_label_prefix): New.
3903 (main): Set it off -f*leading-underscore.
3904 (special_symbol): Use it.
3905 * cpplib.c (special_symbol): Likewise.
3906 (cpp_handle_option): Handle -f*leading-underscore.
3907 * cppulp.c: New file.
3909 * output.h (user_label_prefix): Declare it.
3910 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3911 * toplev.c (f_options, main): Handle -f*leading-underscore.
3913 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3914 referencing USER_LABEL_PREFIX directly.
3915 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3916 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3917 * final.c (asm_fprintf): Use user_label_prefix instead.
3918 * arm/thumb.c (thumb_print_operand): Likewise.
3920 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3921 cpp wherever appropriate.
3923 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3925 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3926 specific compiler switches.
3928 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3930 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3933 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3935 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3936 structure which has exactly the members provided by EXTRA_SPECS.
3937 Xmalloc() the real `extra_specs', and initialize it from this
3938 intermediate structure.
3940 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3942 * mips.h (EXTRA_SPECS): Likewise.
3944 * sparc.h (EXTRA_SPECS): Likewise.
3946 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3948 * function.c (purge_addressof_1): Instead of aborting when a
3949 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3950 work just put the ADDRESSOF on stack. Otherwise remember all such
3951 successfull replacements, so that exactly the same replacements
3952 can be made on the REG_NOTEs. Remove the special case for CALL
3954 (purge_addressof_replacements): New variable.
3955 (purge_addressof): Clear it at end.
3957 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3959 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3960 (lang_init): Call check_newline always.
3961 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3962 cpp_start_read, set yy_cur and yy_lim to read from
3963 parse_in.token_buffer, so that we'll see the first #line
3965 * cpplib.c (cpp_start_read): finclude the main input file
3966 before processing -include/-imacros. Process -imacros and
3967 -include separately, and handle -include by stacking a
3968 buffer for the file in question as if it'd been #included.
3969 * toplev.c (documented_lang_options) Recognize -H when
3972 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3974 * cpplib.c: Merge do_once into do_pragma. Break file handling
3975 code out of do_include.
3976 Move append_include_chain, deps_output,
3977 file_cleanup, redundant_include_p, import_hash,
3978 lookup_import, add_import, read_filename_string, read_name_map,
3979 open_include_file, finclude, safe_read to cppfiles.c.
3980 Move prototypes for deps_output, append_include_chain,
3981 finclude to cpplib.h. Move definition of struct
3982 file_name_list there also.
3984 * cppfiles.c: New file. Contains all the above functions
3985 broken out of cpplib.c; also hack_vms_include_specification
3986 from cccp.c and find_include_file, a new function broken out of
3989 * Makefile.in (cppmain): Depend on cppfiles.o.
3990 (fix-header): Likewise.
3991 (cppfiles.o): New target.
3992 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3993 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3995 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3997 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3998 if pending_types is non-zero.
3999 (dwarfout_finish): Verify pending_types is zero before finishing.
4001 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
4003 * expr.c (convert_move): Use shifts to perform the move if a
4004 suitable extend pattern cannot be found. Code written by
4005 Richard Henderson <rth@cygnus.com>.
4007 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4009 * regclass.c (renumber, regno_allocated): New static variables, moved
4010 out of allocate_reg_info.
4011 (allocate_reg_info): Move these two variables outside the function.
4012 Move code to free memory into new function free_reg_info.
4013 (free_reg_info): New function, broken out of allocate_reg_info.
4014 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
4015 * rtl.h (allocate_reg_info): Don't declare.
4016 (free_reg_info): Declare.
4018 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
4020 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
4022 * toplev.c (compile_file): Temporarily revert last change.
4024 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
4026 * c-typeck.c (convert_for_assignment): Parenthesize.
4028 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4030 * reload1.c (delete_output_reload): Avoid ambigous else.
4032 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
4034 * toplev.c (compile_file): Call allocate_reg_info to free register
4036 * rtl.h (allocate_reg_info): Declare.
4038 * PROJECTS: Remove entry for local spilling.
4040 * final.c (cleanup_subreg_operands): New function.
4041 (final_scan_insn): Use it.
4042 (alter_subreg): Clear the "used" field when we turn a SUBREG into
4044 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
4045 operands when reload has finished.
4046 * reload.h (cleanup_subreg_operands): Declare..
4047 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
4048 reload. Handled in reload itself.
4050 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4052 * reload1.c (verify_initial_offsets): New function.
4053 (reload): Call it after reload_as_needed. Also verify that the frame
4054 size stays constant during reload_as_needed.
4055 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
4057 * reload.h (struct insn_chain): Add need_operand_change element.
4058 * reload1.c (new_insn_chain): Clear it.
4059 (calculate_needs_all_insns): Set it; don't overload need_reload.
4060 (reload_as_needed): Use it.
4062 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
4063 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
4064 and reload_address_index_reg_class.
4065 (find_reloads_address_1): Likewise.
4066 * reload.h (reload_address_base_reg_class,
4067 reload_address_index_reg_class): Don't declare.
4068 * reload1.c (reg_old_renumber, pseudo_previous_regs,
4069 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
4070 (used_spill_regs): Now static.
4071 (reload_address_base_reg_class, reload_address_index_reg_class,
4072 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
4073 basic_block_needs, max_needs, group_size, group_mode, max_groups,
4074 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
4077 (init_reload): Delete code to compute base/index reg classes.
4078 (reload): Delete variable J.
4079 Delete code to manage basic_block_needs.
4080 Don't compute regs_explicitly_used.
4081 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
4082 pseudo_previous_regs.
4083 Initialize bad_spill_regs_global.
4084 Don't call order_regs_for_reload here.
4085 Don't initialize spill_reg_order and n_spills.
4086 Don't forbid explicitly used regs to be used for spill regs.
4087 Change main loop to infinite loop, with explicit break statements.
4088 Make SOMETHING_CHANGED variable local to that loop.
4089 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
4090 max_groups_insn, max_nongroups_insn, group_size, group_mode.
4091 Make sure spilled_speudos is cleared before calling spill_hard_reg or
4093 Don't call dump_needs.
4094 Delete code to reset potential_reload_regs.
4095 Delete code to terminate loop conditional on the global needs variables
4096 showing no further needs.
4097 (calculate_needs_all_insns): Return void. All callers changed.
4098 Initialize somehing_needs_elimination here, not in reload.
4099 Delete avoid_return_reg kludge.
4100 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
4101 All callers changed.
4102 Initialize the group_mode and group_size elements of the arg CHAIN.
4103 Delete code to manage basic_block_needs.
4104 Operate on elements of CHAIN instead of global variables.
4105 Delete avoid_return_reg kludge.
4106 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
4107 All callers changed.
4108 Operate on elements of CHAIN instead of global variables.
4109 Delete special SMALL_REGISTER_CLASSES code.
4110 Delete spill_failure code; now in new_spill_reg.
4111 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
4112 All callers changed.
4113 Operate on elements of CHAIN instead of global variables.
4114 (maybe_mark_pseudo_spilled): New static function.
4115 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
4116 All callers changed.
4117 Operate on elements of CHAIN instead of global variables.
4118 Call order_regs_for_reload here, not in reload.
4119 Initialize spill_reg_order and n_spills.
4120 Simplify test whether an asm insn is involved.
4121 Delete spill_failure code; now in new_spill_reg.
4122 Call maybe_mark_pseudo_spilled for everything marked as live in
4123 CHAIN. Merge CHAIN's used_spill_regs into the global variable
4125 (dump_needs): Take CHAIN arg. No longer static, to prevent the
4126 compiler from optimizing this function (now unused) away.
4127 Operate on elements of CHAIN instead of global variables.
4128 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
4130 Operate on elements of CHAIN instead of global variables.
4131 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
4132 take CHAIN arg. All callers changed.
4133 Operate on elements of CHAIN instead of global variables.
4134 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
4135 CHAIN, NONGROUP args. Return void. All callers changed.
4136 Verify caller isn't trying to spill a pseudo.
4137 Simplify test for illegal reg, just use bad_spill_regs.
4138 Generate better error messages.
4139 Operate on elements of CHAIN instead of global variables.
4140 Mark spilled register in CHAIN's used_spill_regs element.
4141 Don't call spill_hard_reg.
4142 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
4143 Mark spilled hard regs in bad_spill_regs_global.
4144 Mark affected pseudos in spilled_pseudos, but don't spill them.
4145 (ior_hard_reg_set): New static function.
4146 (finish_spills): Return int. All callers changed.
4147 Compute spill_reg_order, n_spills and spill_regs here. Also update
4148 regs_ever_live for regs used as spills.
4149 For every pseudo in spilled_pseudos, spill it and mark the previous
4150 hard reg it had in pseudo_previous_regs. Compute which hard regs
4151 arseudo): New static function.
4152 (order_regs_for_reload): Take CHAIN arg. All callers changed.
4153 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
4154 hard registers explicitly used across the current insn into the set.
4155 Compute hard_reg_n_uses taking only pseudos live across this insn
4157 Tweak sorting of potential_reload_regs.
4158 (compare_spill_regs): Delete function.
4159 (reload_as_needed): Don't sort the spill_regs array, it's computed
4160 in proper order in finish_spills.
4161 Delete avoid_return_reg kludge.
4162 Delete code to manage basic_block_needs.
4163 (allocate_reload_reg): Minor speed/readability tweaks.
4164 Operate on elements of CHAIN instead of global variables.
4165 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
4166 Delete avoid_return_reg kludge.
4167 Initialize reload_reg_used from CHAIN's used_spill_regs element.
4168 Delete unused label FAIL.
4169 (reload_combine): Replce reload_address_index_reg_class with
4171 Don't use used_spill_regs to determine information about lifetime of
4174 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
4176 * toplev.c (display_help): Ignore empty target specific
4177 options, and if -W is also specified on the command line then
4178 display undocumented options.
4180 * config/arm/arm.c: Updated with changes in devo sources.
4181 * config/arm/arm.h: Updated with changes in devo sources.
4182 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
4183 * config/arm/lib1thumb.asm: Add ELF support.
4185 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
4187 * collect2.c (aix64_flag): New variable.
4188 (main, case 'b'): Parse it.
4189 (GCC_CHECK_HDR): object magic number must match mode.
4190 (scan_prog_file): Only check for shared object if valid header.
4191 Print debugging if header/mode mismatch.
4193 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
4195 Added support for arm-elf-linux configuration, submitted by Philip
4196 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
4197 code developed by Catherine Moore <clm@cygnus.com>. The following
4200 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
4203 * configure: Regenerated.
4205 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
4206 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
4207 definitions conditional on their not having been already defined.
4209 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
4210 and .type directives, and add "(PLT)" qualification to function
4213 * config/arm/linux.h: Deleted. This file is now superceeded by
4214 either linux-elf.h or linux-aout.h.
4216 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
4217 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
4219 Move definitions from old linux.h file here.
4221 * config/arm/elf.h: New file. Generic ARM/ELF support.
4223 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
4225 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
4227 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
4228 using the 26bit APCS.
4230 * config/arm/unknown-elf.h: New file. Support for OS'es other
4231 than Linux with ELF.
4233 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
4236 * config/arm/coff.h: Include aout.h for basic assembler macros.
4237 Add support for -mstructure_size_boundary=<n> command line option.
4239 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
4240 command line option. Make macro definitions conditional on their
4241 not having been already defined.
4243 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
4244 command line option.
4247 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
4249 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
4250 has been changed to not include a newline. Use this macro instead.
4251 (output_enumeral_list, const_value_attribute, name_attribute,
4252 comp_dir_attribute, prototyped_attribute, producer_attribute,
4253 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
4254 dwarfout_file_scope_decl, generate_new_sfname_entry,
4255 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
4256 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
4258 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
4260 * combine.c (subst): Process the inputs to a parallel asm_operands
4263 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
4265 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
4267 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
4269 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
4271 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
4273 * version.c: Bump for snapshot.
4275 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
4277 * stmt.c (expand_fixup): Set fixup->before_jump to a
4278 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
4280 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4282 * Makefile.in (recog.o): Depend on toplev.h.
4283 (insn-emit.o): Depend on recog.h.
4284 (insn-peep.o): Depend on recog.h and insn-config.h.
4286 * combine.c (simplify_set): Remove unused variable `scratches'.
4288 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
4289 and `idx' in macro conditional controlling their use.
4291 * genemit.c (main): Make the generated output file include
4292 recog.h. Don't have it declare `insn_operand_constraint', since
4293 we get it from recog.h.
4295 * genpeep.c (main): Make the generated output file include
4296 insn-config.h and recog.h.
4298 * recog.c: Include toplev.h.
4299 (extract_insn): Remove unused variable `p'.
4301 * regclass.c (fix_register): Add missing braces around initializer
4303 (allocate_reg_info): Move variable `i' into the scope where it is
4304 used. Change its type to `size_t'.
4306 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4308 * reload.c (push_reload): When merging reloads, make sure
4309 that reload_in_reg and reload_in are from the same reload in
4312 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
4314 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
4315 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
4317 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
4319 * loop.c (loop_has_tablejump): New variable.
4320 (prescan_loop): Scan for it.
4321 (insert_bct): Replace explicit scan with use of it.
4322 * regclass.c (regclass): Restore loop variable j.
4323 (record_reg_classes): Deterine op_types modifiers and initialize
4324 classes[i] before matching constraints. Handle matching
4327 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
4329 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
4332 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4334 * mips.h (EXTRA_SPECS): Add missing initializers.
4336 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4338 * sparc.h (EXTRA_SPECS): Add missing initializers.
4339 (sparc_defer_case_vector): Provide a prototype.
4341 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
4342 comparing it to the result of a pointer subtraction.
4344 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4346 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
4347 the argument to (unsigned char).
4349 * alpha.h (EXTRA_SPECS): Add missing initializers.
4350 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
4353 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
4355 * flow.c (life_analysis_1): Enable "rescan" code after reload.
4356 (propagate_block): Delete dead code after reload.
4358 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
4359 back Oct 15, 1998 change.
4360 * haifa-sched.c (update_flow_info): Likewise.
4361 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
4363 * mn10200.md (truncated shift): Accept constant inputs too.
4365 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
4367 * machmode.h (mode_mask_array): No longer const.
4368 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
4370 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4372 * frame.c: Somewhat explain `FDE'.
4373 Suggested by Brendan Kehoe
4375 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4377 * expr.c (pending_chain): Move up.
4378 (save_expr_status): Do save pending_chain.
4379 (restore_expr_status): And restore it.
4380 * function.h (struct function): Add pending_chain.
4382 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4384 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
4385 did not match the code.
4387 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4389 * regclass.c (regclass): Break out some code into new function
4390 scan_one_insn, and into regclass_init.
4391 (init_cost): New static variable, moved out of regclass.
4392 (regclass_init): Initialize it here, not in .
4393 (scan_one_insn): New static function, broken out of regclass.
4394 * recog.c (apply_change_group): Break out some code into new
4395 function insn_invalid_p.
4396 (insn_invalid_p): New static fn, broken out of apply_change_group.
4398 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
4400 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
4401 reg_reloaded_contents matches incremented pseudo.
4403 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
4405 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4407 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
4408 addressing modes with side effects. These are currently
4409 placeholders for the C4x target.
4411 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4413 * loop.c (express_from): Make sure that when generating a PLUS of
4414 a PLUS, any constant expression appears on the outermost PLUS.
4416 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
4418 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
4419 works if "$(srcdir)" != ".".
4421 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
4423 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
4424 existing SUBREG if we can, otherwise abort.
4426 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
4428 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
4429 `restrict' is applied to a non-pointer variable.
4431 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
4433 * invoke.texi: Document -flang-isoc9x.
4435 * Makefile.in (OBJS): Add splay-tree.o.
4436 (c-common.o): Depend on rtl.h.
4437 (splay-tree.o): List dependencies and provide build rule.
4439 * rtl.h (record_alias_subset): New function.
4440 * alias.c: Include splay-tree.h.
4441 (alias_set_entry): New type.
4442 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
4443 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
4444 (mems_in_disjoin_alias_sets_p): New function.
4445 (alias_set_compare): Likewise.
4446 (insert_subset_children): Likewise.
4447 (get_alias_set_entry): Likewise.
4449 * tree.h (TYPE_RESTRICT): New macro.
4450 (TYPE_UNQUALIFIED): New manifest constant.
4451 (TYPE_QUAL_CONST): Likewise
4452 (TYPE_QUAL_VOLATILE): Likewise.
4453 (TYPE_QUAL_RESTRICT): Likewise.
4454 (tree_type): Add restrict_flag. Reduce count of free bits.
4455 (DECL_POINTER_ALIAS_SET): New macro.
4456 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
4457 (tree_decl): Add pointer_alias_set.
4458 (build_qualified_type): New function.
4459 (build_type_variant): Define in terms of build_qualified_type.
4460 * tree.c (set_type_quals): New function.
4461 (make_node): Initializae DECL_POINTER_ALIAS_SET.
4462 (build_type_attribute_variant): Use build_qualified_type and
4464 (build_type_variant): Rename, and modify, to become...
4465 (build_qualified_type): New function.
4466 (build_complex_type): Use set_type_quals.
4468 * c-tree.h (C_TYPE_OBJECT_P): New macro.
4469 (C_TYPE_FUNCTION_P): Likewise.
4470 (C_TYPE_INCOMPLETE_P): Likewise.
4471 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
4472 (c_apply_type_quals_to_decl): New function.
4473 (c_build_qualified_type): New function.
4474 (c_build_type_variant): Define in terms of c_build_qualified_type.
4475 (flag_isoc9x): Declare.
4476 * c-typeck.c (qualify_type): Use c_build_qualified_type.
4477 (common_type): Change to use TYPE_QUALS.
4478 (comptypes): Likewise.
4479 (convert_for_assignment): Likewise.
4480 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
4481 * c-decl.c (flag_isoc9x): Define.
4482 (c_decode_option): Handle -flang-isoc9x.
4483 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
4484 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
4485 * c-lex.c (init_lex): Deal with restrict.
4486 (init_lex): Don't treat restrict as a reserved word in
4487 -traditional mode, or without -flang-isoc9x.
4488 * c-lex.h (rid): Add RID_RESTRICT.
4489 * c-parse.gperf (restrict, __restrict, __restrict__): Make
4490 equivalent to RID_RESTRICT.
4491 * c-parse.in (TYPE_QUAL): Update comment.
4492 * c-common.c: Include rtl.h.
4493 (c_find_base_decl): New function.
4494 (c_build_type_variant): Rename, and modify, to become ...
4495 (c_build_qualified_type): New function.
4496 (c_apply_type_quals_to_decl): Likewise.
4497 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
4498 a particular alias set for the reference.
4499 * toplev.c (documented_lang_options): Add -flang-isoc9x.
4501 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
4503 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
4504 command line switches.
4506 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
4508 * reload.c (loc_mentioned_in_p): Add missing braces to bind
4511 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
4513 * gcc.c (option_map): Added --classpath and --CLASSPATH.
4515 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
4517 * regclass.c (fix_register): Add error message.
4518 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
4521 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4523 * c-decl.c (warn_missing_noreturn): New global variable.
4524 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
4525 (finish_function): Implement missing noreturn warning.
4527 * c-tree.h (warn_missing_noreturn): Declare extern.
4529 * invoke.texi: Document new flags.
4531 * toplev.c (documented_lang_options): Add description.
4533 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4535 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
4536 loop optimization stable for the C4x.
4537 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
4538 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
4539 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
4541 (c4x_address_conflict): Be more paranoid when packing a volatile
4542 memref in a parallel load/store.
4544 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4546 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
4547 repeat_block_filler): Deleted.
4548 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
4549 Condition code not set if destination register from 'c' class.
4550 (*subbqi3_carry_clobber): Fix typo.
4552 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4554 * reorg.c (steal_delay_list_from_target) Check for insns that
4555 modify the condition codes and effect the direction of the jump
4558 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4560 * function.c (purge_addressof_1): Replace call to
4561 emit_insns_before() with emit_insn_before().
4563 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
4565 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
4567 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4569 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
4571 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4573 * gcse.c (compute_hash_table): Correctly identify hard regs which are
4574 clobbered across calls.
4576 * loop.c (scan_loop): Be more selective about what invariants are
4577 moved out of a loop.
4579 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
4581 * version.c: Bump for snapshot.
4583 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4585 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
4586 static eh_context structure.
4588 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4590 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
4592 (try_combine): Don't update max_scratch.
4593 * flow.c (max_scratch, num_scratch): Delete variables.
4594 (life_analysis_1): Don't initialize max_scratch.
4595 (propagate_block): Don't update max_scratch.
4596 (mark_set_1): Don't increment num_scratch.
4597 * regs.h (max_scratch): Delete declaration.
4599 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
4601 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
4602 is nonzero. This is temporary!
4604 * sched.c (update_flow_info): Handle death notes made invalid by
4605 instruction splitting. Partially reverts Oct 15, 1998 patch.
4606 * haifa-sched.c (update_flow_info): Likewise.
4608 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
4610 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
4611 if it has a nonzero DECL_INITIAL.
4613 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4615 * Makefile.in (flow.o): Depend on recog.h.
4617 * cpplib.h (directive_table): Add missing initializiers.
4618 (finclude): Change type of variable `bsize' to size_t.
4620 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
4622 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
4624 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
4625 `int' when comparing against one.
4626 (cpp_file_line_for_message): Mark parameter `pfile' with
4628 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
4630 * flow.c: Include recog.h.
4631 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
4633 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
4634 `f' with ATTRIBUTE_UNUSED.
4635 (reposition_prologue_and_epilogue_notes): Likewise.
4637 * genopinit.c (gen_insn): Cast argument of ctype functions to
4640 * haifa-sched.c: Include recog.h.
4641 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
4642 comparing against one.
4644 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
4646 * mips-tfile.c (parse_end): Cast the argument of ctype function to
4648 (parse_ent): Likewise.
4649 (parse_input): Likewise.
4651 * optabs.c (init_libfuncs): Likewise.
4653 * protoize.c (find_rightmost_formals_list): Likewise.
4655 * recog.h (const_double_operand): Fix typo in prototype.
4657 * tlink.c (scan_linker_output): Cast the argument of ctype
4658 function to `unsigned char'.
4660 * toplev.c (check_lang_option): Cast the result of `strlen' to
4661 `int' when comparing against one.
4663 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4665 * gcse.c (dump_cuid_table): Correct typo.
4667 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
4669 * toplev.c (display_help): Prepend '-m' to target specific
4671 (check_lang_option): Ignore text after end of first word of a
4672 language specific option.
4674 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4676 * reload1.c (reg_used_by_pseudo): New static variable.
4677 (choose_reload_regs): Initialize it.
4678 Use it instead of testing spill_reg_order to determine whether a
4679 pseudo is live in a hard register across the current insn.
4680 Fix a typo in a reference to reload_reg_rtx.
4682 * flow.c (propagate_block): Replace code that computes and uses
4683 regs_sometimes_live with simpler code that just walks the set of
4684 currently live registers.
4686 * Makefile.in (insn-extract.o): Fix dependencies.
4687 * genextract.c (main): Generate includes for insn-config.h and
4689 Delete generation of declarations which are now in recog.h.
4690 * genrecog.c (main): Delete generation of definitions which are
4692 * local-alloc.c (block_alloc): Use extract_insn and the variables
4693 it sets up instead of looking up values by insn_code.
4694 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
4695 recog_dup_num): Define here instead of generating the definition in
4697 (recog_n_operands, recog_n_dups, recog_n_alternatives,
4698 recog_operand_mode, recog_constraints, recog_operand_address_p):
4700 (extract_insn): New function.
4701 * recog.h (extract_insn): Declare function.
4702 (which_alternative, recog_n_operands, recog_n_dups,
4703 recog_n_alternatives, recog_operand_mode, recog_constraints,
4704 recog_operand_address_p): Declare variables.
4705 * regclass.c (n_occurrences): New static function.
4706 * reload.c (n_occurrences): Delete function.
4707 (find_reloads): Use extract_insn.
4708 * reload.h (n_occurrences): Delete declaration.
4710 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
4712 * reload1.c (reload_as_needed): Fix test for when to call
4713 update_eliminable_offsets.
4715 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4717 Fix consistency problems with reg_equiv_{mem,address};
4718 Improve reload inheritance;
4720 * reload.c (reload_out_reg): New variable.
4721 (loc_mentioned_in_p, remove_address_replacements): New functions.
4722 (remove_replacements): Deleted.
4723 (push_reload): Set reload_out_reg[i].
4724 When merging, also set reload_{in,out}_reg[i], and remove
4725 duplicate address reloads.
4726 (combine_reloads): Copy reload_out_reg[i].
4727 (find_reloads): Do make_memloc substitution also when
4728 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4730 Include *recog_operand_loc in commutativity operand changes.
4731 Generate optional output reloads.
4732 Delete reference to n_memlocs. Don't set *recog_operand_loc before
4733 processing operands. Call make_memloc in reg_equiv_address code.
4734 Set *recog_operand_loc only after processing operands, and only
4735 if replace is true. Return a value.
4736 When changing address reload types for operands that didn't get
4737 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
4738 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
4739 Don't emit USEs for pseudo SUBREGs when not replacing.
4740 (find_reloads_address): Do make_memloc substitution also when
4741 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4743 (find_reloads_toplev): Likewise.
4744 Call make_memloc in reg_equiv_address code.
4745 (debug_reload_to_stream): Add code to output reload_out_reg.
4746 (make_memloc): Delete local variable i, ifdefed out code, and
4747 references to memlocs and n_memlocs.
4748 (memlocs, n_memlocs): Delete.
4749 (push_secondary_reload): Clear reload_out_reg.
4750 (find_reloads_address_1): Provide memrefloc argument to all calls
4751 to find_reloads_address.
4752 In AUTO_INC code, handle non-directly addressable equivalences properly.
4753 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
4754 (find_reloads): Add return type.
4755 (remove_address_replacements, deallocate_reload_reg): Declare.
4756 * reload1.c (num_not_at_initial_offset): No longer static.
4757 (delete_address_reloads, delete_address_reloads_1): Likewise.
4758 (deallocate_reload_reg): New function.
4759 (spill_reg_stored_to): New array.
4760 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
4761 (eliminate_regs_in_insn): Move assignments of previous_offset and
4762 max_offset fields, and recalculation of num_not_at_initial_offset
4763 into new static function:
4764 (update_eliminable_offsets) .
4765 (reload_as_needed): Call update_eliminable_offsetss after calling
4767 Call forget_old_reloads_1 with contents of reloaded auto_inc
4768 expressions if the actual addressing can't be changed to match the
4770 (choose_reload_regs): For inheritance, replace
4771 reload_reg_free_before_p test with reload_reg_used_at_all test, and
4772 remove stand-alone reload_reg_used_at_all test.
4773 Use reload_out_reg to determine which reload regs have output reloads.
4774 Treat reload_override_in more similar to inherited reloads.
4775 Handle (subreg (reg... for inheritance.
4776 For flag_expensive_optimizations, add an extra pass to remove
4777 unnecessary reloads from known working inheritance.
4778 Delete obsolete code for pseudos replaced with MEMs.
4779 Handle inheritance from auto_inc expressions.
4780 (emit_reload_insns): If reload_in is a MEM, set OLD to
4782 Don't reload directly from oldequiv; if it's a pseudo with a
4783 stack slot, use reload_in[j].
4784 Check that reload_in_reg[j] is a MEM before replacing reload_in
4785 from reg_reloaded_contents.
4786 Include non-spill registers in reload inheritance processing.
4787 Also try to use reload_out_reg to set spill_reg_store /
4788 reg_last_reload_reg.
4789 In code to set new_spill_reg_store, use single_set to find out if
4790 there is a single set.
4791 Add code that allows to delete optional output reloads.
4792 Add code to allow deletion of output reloads that use no spill reg.
4793 At the end, set reload_override_in to oldequiv.
4794 Also call delete_output_reload if reload_out_reg is equal to old
4796 Add code to call delete_output_reload for stores with no matching load.
4797 Set / use spill_reg_stored_to.
4798 Handle case where secondary output reload uses a temporary, but
4799 actual store isn't found.
4800 When looking for a store of a value not loaded in order to call
4801 delete_output_reload, count_occurences should return 0 for no
4802 loads; but discount inherited input reloadill_reg_stored_to.
4803 Do checks for extra uses of REG. Changed all
4805 Use delete_address_reloads.
4806 (reload): Take return value of find_reloads into account.
4807 If a no-op set needs more than one reload, delete it.
4808 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4809 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4810 for the same operand.
4811 (clear_reload_reg_in_use): Check for other reloads that keep a
4813 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4814 RELOAD_FOR_OPADDR_ADDR.
4815 Take into account when an address address reload is only needed
4816 for the address reload we are considering.
4817 (count_occurrences): Use rtx_equal_p for MEMs.
4818 (inc_for_reload): Return instruction that stores into RELOADREG.
4819 New argument two, IN, and rtx. Changed all callers.
4820 (calculate_needs_all_insns, reload_as_needed):
4821 Don't clear after_call for a CLOBBER.
4822 Keep track of how many hard registers need to be copied from
4823 after_call, and don't clear after_call before we have seen
4824 that much copies, or we see a different instruction.
4826 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4828 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4829 after reload has completed.
4831 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4833 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4834 a macro name and the next token with a single blank if that whitespace
4835 is in a macro buffer and the next token is not '('.
4837 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4839 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4841 (skip_if_group): Ditto.
4842 (skip_to_end_of_comment): Ditto.
4844 (discard_comments): Ditto.
4845 (change_newlines): Ditto.
4847 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4849 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4851 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4853 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4854 (TARGET_OPTIONS): Add --help documentation.
4856 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4858 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4860 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4862 * fixinc/* Moved in from ../contrib directory in preparation
4863 for integrating it into the normal build process. In particular,
4864 fixinc/Makefile.in must be config-ed into the build directory
4865 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4866 ./configure.in will be "in the mail" momentarily.
4868 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4870 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4871 accidently walk into the free list. Comment how that can happen.
4872 (invalidate): Fix indentation.
4874 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4875 Jeffrey A Law (law@cygnus.com)
4877 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4878 reload. Never perform rescans of the insn chain after reload.
4879 (propagate_block): Do not delete insn or create new autoinc addressing
4882 * jump.c (jump_optimize): Unconditionally use the code that was
4883 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4884 * reload1.c (reload): When reloading is finished, delete all
4885 REG_DEAD and REG_UNUSED notes.
4886 (emit_reload_insns): Delete all code that was conditional on
4887 PRESERVE_DEATH_INFO_REGNO_P.
4888 (no_longer_dead_regs): Delete variable.
4889 (reload_cse_delete_death_notes): Delete function.
4890 (reload_cse_no_longer_dead): Delete function.
4891 (reload_cse_regs_1): Delete all code to handle deletion of death
4893 (reload_cse_noop_set_p): Likewise.
4894 (reload_cse_simplify_set): Likewise.
4895 (reload_cse_simplify_operands): Likewise.
4896 (reload_cse_move2add): Likewise.
4897 * reorg.c (used_spill_regs): Delete declaration.
4898 (max_label_num_after_reload): Delete declaration.
4899 (find_dead_or_set_registers): Don't assume that spill regs are
4900 dead at a CODE_LABEL.
4901 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4903 * sched.c (sched_analyze_insn): Likewise.
4904 (update_flow_info): Likewise.
4905 * haifa-sched.c (sched_analyze_insn): Likewise.
4906 (update_flow_info): Likewise.
4907 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4908 * toplev.c (max_label_num_after_reload): Delete variable.
4909 (rest_of_compilation): Don't set max_label_num_after_reload.
4910 Call life_analysis after reload_cse_regs if optimizing.
4911 * config/gmicro/gmicro.h: Delete comment referring to
4912 PRESERVE_DEATH_INFO_REGNO_P.
4913 * config/i386/i386.h: Likewise.
4914 * config/m88k/m88k.h: Likewise.
4915 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4916 * config/sh/sh.h: Likewise.
4918 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4920 * loop.c (strength_reduce): Restore marking bct_p as
4922 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4923 HAVE_decrement_and_branch_on_count.
4924 (small_data_operand): Remove TARGET_ELF condition for marking
4925 parameters ATTRIBUTE_UNUSED.
4927 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4929 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4930 (SELECT_SECTION): Resync with svr4.h.
4932 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4934 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4937 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4939 * c-pragma.c (handle_pragma_token): Test for null tree before
4940 dereferencing TREE_CODE.
4942 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4944 * config/c4x/c4x.c: Convert to use GEN_INT.
4945 (c4x_parallel_process): Rework to handle new repeat loop structure.
4947 * config/c4x/c4x.md: Convert to use GEN_INT.
4948 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4949 (decrement_and_branch_on_count): Likewise.
4951 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4952 loop.c has the desired functionality.
4953 (rc_reg_operand): New prototype.
4955 * config/c4x/t-c4x: Can now build all front ends.
4957 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4959 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4961 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4963 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4964 * config/t-rtems: Do not install assert.h -- use newlib's.
4966 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4968 * combine.c (combine_instructions): When finished, call init_recog.
4969 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4971 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4973 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4975 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4977 * cppalloc.c (memory_full): Mark function prototype with
4980 * demangle.h (collect_exit): Likewise.
4982 * fix-header.c (v_fatal, fatal): Likewise.
4984 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4987 * gcov.c (print_usage): Likewise.
4989 * genattr.c (fatal, fancy_abort): Likewise.
4991 * genattrtab.c (fatal, fancy_abort): Likewise.
4993 * gencodes.c (fatal, fancy_abort): Likewise.
4995 * genconfig.c (fatal, fancy_abort): Likewise.
4997 * genemit.c (fatal, fancy_abort): Likewise.
4999 * genextract.c (fatal, fancy_abort): Likewise.
5001 * genflags.c (fatal, fancy_abort): Likewise.
5003 * genopinit.c (fatal, fancy_abort): Likewise.
5005 * genoutput.c (fatal, fancy_abort): Likewise.
5007 * genpeep.c (fatal, fancy_abort): Likewise.
5009 * genrecog.c (fatal, fancy_abort): Likewise.
5011 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
5012 __sjpopnthrow, __throw): Likewise.
5014 * objc/objc-act.c (objc_fatal): Likewise.
5016 * protoize.c (usage, aux_info_corrupted,
5017 declare_source_confusing): Likewise.
5019 * rtl.c (dump_and_abort): Likewise.
5021 * rtl.h (sets_cc0_p): Likewise.
5023 * toplev.c (float_signal, pipe_closed): Likewise.
5025 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5027 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
5028 when generating the decision tree for the general case.
5030 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
5031 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
5033 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5035 * Makefile.in (sched.o): Depend on recog.h.
5037 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
5038 (unsigned) when comparing against one.
5039 (find_base_value): Likewise.
5040 (record_base_value): Cast variable `regno' to (unsigned) when
5041 comparing against one. Cast the result of REGNO() macro to
5042 (unsigned) when comparing against one.
5043 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
5045 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
5046 variable where an unsigned index is needed.
5048 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
5049 before comparing against one.
5051 * collect2.c: Add prototypes for functions `error', `fatal' and
5052 `fatal_perror'. Make these functions take variable arguments
5053 instead of faking it with a fixed number of args.
5054 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
5057 * combine.c (can_combine_p): Mark parameter `pred' with
5059 (find_split_point): Cast variable `src' to (unsigned
5060 HOST_WIDE_INT) when comparing against one.
5061 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
5062 (simplify_logical): Likewise.
5063 (force_to_mode): Cast result of INTVAL() macro to (unsigned
5064 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
5065 HOST_WIDE_INT) in shift.
5066 (simplify_and_const_int): Cast result of INTVAL() macro to
5067 `unsigned HOST_WIDE_INT' when comparing against one.
5068 (merge_outer_ops): Cast variable const0 to `unsigned
5069 HOST_WIDE_INT' when comparing against the result of
5070 GET_MODE_MASK() macro.
5071 (simplify_comparison): Likewise for variable `c0'. Cast variable
5072 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
5073 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
5074 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
5075 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
5076 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
5077 comparing against one.
5078 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
5080 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
5081 macro to `unsigned HOST_WIDE_INT' when comparing against one.
5082 (output_block_move): Cast `sizeof' expression to (int) when
5083 comparing against one.
5084 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
5086 (save_restore_insns): Cast `base_offset' to `long' to match format
5087 specifier in fprintf.
5089 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
5090 to `enum machine_mode'.
5092 * flow.c (life_analysis_1): Remove unused variable `insn'.
5094 * gcc.c (translate_options): Move variables `j' and `k' into the
5095 scope in which they are used. Change their types to `size_t'.
5096 (set_spec): Cast the argument of ctype macro to `unsigned char'.
5097 (read_specs): Likewise.
5098 (process_command): Cast `sizeof' to (int) when comparing against one.
5099 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
5100 (handle_braces): Cast both sides of `==' expression to `long' to
5101 ensure sign matching.
5102 (main): Cast variable `i' to `int' when comparing against one.
5104 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
5105 int to size_t. Cast variable `i' to size_t when comparing against
5108 * genattrtab.c (convert_set_attr_alternative): Remove unused
5109 parameter `insn_code'. All callers changed.
5110 (convert_set_attr): Likewise.
5112 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
5113 size_t when comparing against one. Likewise for variable `len'.
5115 * global.c (global_alloc): Cast variable `max_regno' to size_t
5116 when comparing against one. Likewise for variable `max_allocno'.
5118 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
5120 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
5121 `set' with ATTRIBUTE_UNUSED.
5122 (find_free_reg): Cast `sizeof' expression to (int) when comparing
5125 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
5126 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
5127 (get_condition): Cast variable `const_val' to `unsigned
5128 HOST_WIDE_INT' when comparing against one. Cast unsigned
5129 expression to HOST_WIDE_INT when comparing against one.
5130 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
5131 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
5132 `unsigned' when comparing against one.
5134 * protoize.c (is_id_char): Change type of parameter `ch' to
5136 (munge_compile_params): Cast argument of ctype macro to (const
5138 (process_aux_info_file): Cast variable `aux_info_size' to int when
5139 comparing against one.
5140 (forward_to_next_token_char): Cast argument of ctype macro to
5141 `const unsigned char'.
5142 (edit_formals_lists): Likewise.
5143 (find_rightmost_formals_list): Likewise.
5144 (add_local_decl): Likewise.
5145 (add_global_decls): Likewise.
5146 (edit_fn_definition): Likewise.
5147 (do_cleaning): Likewise.
5148 (scan_for_missed_items): Likewise.
5149 (edit_file): Cast variable `orig_size' to (int) when comparing
5151 (main): Cast argument of ctype macro to `const unsigned char'.
5153 * recog.c (const_int_operand): Mark parameter `mode' with
5156 * regclass.c (record_reg_classes): Change type of variable `c' to
5157 `unsigned char'. Cast `char' array index to `unsigned char'.
5159 * reload.c (push_secondary_reload): Cast argument to
5160 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
5162 * reload1.c (calculate_needs): Cast `char' array index to
5164 (set_label_offsets): Change type of variable `i' to unsigned int.
5165 Cast result of XVECLEN() macro to unsigned when comparing against
5167 (mark_not_eliminable): Change type of variable `i' to unsigned.
5168 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
5169 when comparing against one.
5170 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
5171 comparing against one.
5172 (choose_reload_regs): Hide unused label `fail'.
5173 (reload_cse_simplify_operands): Cast `char' array index to
5175 (reload_combine_note_store): Mark parameter `set' with
5176 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
5178 (reload_cse_move2add): Remove unused variable `src2'.
5180 * sched.c: Include recog.h.
5181 (sched_note_set): Remove unused parameter `b'. All callers
5183 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
5184 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
5185 when comparing against one.
5187 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
5188 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
5189 comparing against one.
5191 * unroll.c (precondition_loop_p): Remove unused parameter
5192 `loop_end'. All callers changed.
5194 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5196 * reload1.c (maybe_fix_stack_asms): New static function.
5199 * reload.h (compute_use_by_pseudos): Declare.
5201 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
5202 (something_needs_reloads): Delete variable.
5203 (finish_spills): New function.
5204 (compute_use_by_pseudos): New function.
5206 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
5207 Use the reload_insn_chain instead of walking the rtl directly.
5209 (reload): Allocate and free spilled_pseudos.
5210 Ensure that all calls of spill_hard_reg are followed by a call to
5212 Use the insns_need_reload list instead of something_needs_reloads
5213 to find out if reload_as_needed must be called.
5214 Clear unused_insn_chains at the end.
5216 (calculate_needs_all_insns): Lose FIRST parameter. All callers
5218 Delete code to keep track of current basic block.
5219 Walk reload_insn_chain instead of the rtl structure. Build the
5220 insns_need_reload chain.
5221 Remember which insns need reloading/elimination by setting the
5222 appropriate fields in struct insn_chain, not by putting modes on the
5225 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
5226 arg INSN. All callers changed.
5227 Delete declaration of struct needs.
5228 Don't set something_needs_reloads.
5229 Record insn needs in the CHAIN argument.
5231 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
5233 (reload_as_needed): Lose FIRST arg. All callers changed.
5234 Walk the reload_insn_chain instead of the rtx structure.
5235 Delete code to keep track of current basic block.
5236 Rename one of the NEXT variables to OLD_NEXT.
5238 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
5240 (choose_reload_regs): Likewise.
5242 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
5245 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
5246 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
5247 (hard_regs_live, hard_regs_need_restore): Delete variables.
5248 (n_regs_saved): Now static.
5249 (referenced_regs, this_insn_sets): New variables.
5251 (setup_save_areas): Restructure the code a bit.
5253 (restore_referenced_regs): Delete function.
5254 (mark_referenced_regs): New function, similar to the old
5255 restore_referenced_regs, but mark registers in referenced_regs.
5257 (clear_reg_live): Delete function.
5258 (mark_set_regs): Renamed from set_reg_live. All callers changed.
5259 Only mark registers in this_insn_sets.
5261 (save_call_clobbered_regs): Rework this function to walk the
5262 reload_insn_chain instead of using the list of instructions directly.
5263 Delete code to keep track of register lives, compute live regs on the
5264 fly from information in the chain.
5265 Instead of calling restore_referenced_regs, use mark_referenced_regs,
5266 then walk the set it computes and call insert_restore as appropriate.
5268 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
5270 Restructure the code a bit. Test hard_regs_saved instead of
5271 hard_regs_need_restore.
5272 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
5273 args. All callers changed.
5274 Restructure the code a bit. Use TO_SAVE to determine which regs to
5275 save instead of more complicated test.
5276 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
5278 Create a new insn_chain structure for the new insn and place it
5281 * rtl.texi: Update documentation to reflect that reload no longer
5282 puts modes on the insns.
5284 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5286 * function.c (purge_addressof_1): Force the first argument of a
5287 CALL insn to memory.
5289 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
5291 * rtl.h: Delete duplicate prototypes. Add some missing
5293 * rtlanal.c: (for_each_rtx): Formatting tweak.
5295 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5297 * real.c (emdnorm and etoasc): Disable round to even for c4x target
5298 to be compatible with TI compiler.
5300 * Makefile.in (USER_H): Add va-c4x.h to definition.
5302 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
5304 * function.c (purge_addressof_1): Fix typo in inequality: do
5305 bitfield optimization for equal mode sizes.
5306 * expmed.c (store_bit_field): Don't take subregs of subregs in
5307 the movstrict case. Tidy a potential problem in the multi-word case.
5308 (extract_bit_field): Likewise.
5310 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5312 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
5314 Compute max_uid_for_flow by calling get_max_uid after the scan.
5315 (find_basic_blocks_1): Don't emit NOPs here.
5317 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
5319 * alias.c (base_alias_check): Accept new args for the modes of the
5320 two references. Use them to determine if an AND can overlap. Update
5322 (memrefs_conflict_p): Assume sizes are aligned, and uses them
5323 to determine if an AND can overlap.
5325 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
5327 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
5328 check. Add comment to document problems with TARGET_SUN_FPA version
5330 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
5332 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5334 * Makefile.in (gencheck.o): Depend on gansidecl.h.
5336 * c-common.c (print_char_table): Add missing initializers.
5337 (scan_char_table): Likewise.
5338 (time_char_table): Likewise.
5340 * c-decl.c (c_decode_option): Mark parameter `argc' with
5342 (declare_parm_level): Mark parameter `definition_flag' with
5345 * c-lex.c (readescape): Use `(unsigned)1' in shift.
5346 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
5349 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
5351 (emit_call_1): Mark parameters `fndecl' and `funtype' with
5353 (expand_call): Cast result of MIN() to (unsigned int) when
5354 comparing against an unsigned value.
5356 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
5358 (make_definition): Remove unused parameter `op'. All callers
5360 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
5361 comparing against the result of pointer arithmetic.
5363 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
5364 when comparing against one.
5366 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
5367 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
5369 (output_die): Move variable `i' into the scope in which it is
5370 used. Change its type to `unsigned'.
5371 (output_die): Cast the result of `strlen' to (int) when passing it
5372 to ASM_OUTPUT_ASCII().
5373 (output_pubnames): Likewise.
5374 (output_line_info): Likewise.
5376 * emit-rtl.c (global_rtl): Add missing initializers.
5378 * explow.c (promote_mode): Mark parameter `for_call' with
5381 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
5382 `unsigned HOST_WIDE_INT' when comparing against one.
5383 (synth_mult): Change type of variable `cost' to int.
5384 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
5386 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
5387 when comparing against one.
5388 (get_inner_reference): Change variable `alignment' to unsigned.
5389 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
5390 int) when comparing against one.
5391 (expand_builtin_setjmp): Change type of variable `i' to size_t.
5393 * fold-const.c (div_and_round_double): Cast BASE to
5394 (HOST_WIDE_INT) when comparing against one.
5396 * gencheck.c: Include gansidecl.h.
5397 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
5399 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
5400 `tcode' with ATTRIBUTE_UNUSED.
5402 * real.c (edivm): Cast constant value to (unsigned long) in
5403 expression compared against an unsigned value.
5405 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
5406 comparing against one.
5407 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
5408 when comparing against one.
5410 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
5411 (unsigned int) when comparing against one. Likewise for
5413 (smallest_mode_for_size): Likewise.
5414 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
5415 (restore_storage_status): Likewise.
5417 * toplev.c (debug_args): Add missing initializer.
5418 (f_options): Spelling correction. Add missing initializers.
5419 (documented_lang_options): Likewise.
5420 (debug_end_source_file): Mark parameter `lineno' with
5423 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
5424 `decl' and `type' with ATTRIBUTE_UNUSED.
5426 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
5427 when comparing against one.
5428 (assemble_variable): Mark parameter `top_level' with
5430 (assemble_external_libcall): Mark parameter `fun' with
5432 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
5435 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
5437 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
5438 Replace use of r5 with use of r19.
5440 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
5442 * config/v850/v850.c (compute_register_save_size): Allow for the
5443 fact that helper functions save all registers, not just those used
5446 Replace constant 31 with macro LINK_POINTER_REGNUM.
5448 * config/v850/v850.md: Use 'indirect_operand' rather than
5449 'memory_operand' for bit test/set/clear patterns.
5451 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
5453 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
5454 * varasm.c (assemble_start_function et al): Don't call
5455 ASM_GLOBALIZE_LABEL for weak symbols.
5457 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
5459 * cse.c (equiv_constant): Check for NULL return from
5460 gen_lowpart_if_possible().
5462 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
5464 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
5466 * collect2.c (main): Pass -EL/-EB through to the compiler.
5468 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5470 * expr.c (push_block): Handle targets where the stack grows
5471 to higher addresses, but args grow to lower addresses and
5472 ACCUMULATE_OUTGOING_ARGS is not defined.
5474 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
5476 * config/v850/v850.c (print_operand): Extend meaning
5477 of 'c' operands to support .vtinherit.
5479 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5481 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
5482 Added ATTRIBUTE_UNUSED to unused function arguments.
5483 (rc_reg_operand): New predicate.
5484 (c4x_rptb_insert): New function.
5485 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
5486 (c4x_optimization_options): New function.
5488 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
5489 (decrement_and_branch_on_count): New pattern.
5490 (rptb_top): Modified pattern to work with BCT optimization.
5492 * config/c4x/c4x.h (RC_REG): New register class.
5493 (rc_reg_operand): Define prototype.
5494 (IS_RC_REG): New macro.
5495 (IS_RC_OR_PSEUDO_REG): New macro.
5496 (IS_RC_OR_PSEUDO_REGNO): New macro.
5497 (OPTIMIZATION_OPTIONS): Define.
5499 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
5501 * collect2.c (extract_init_priority): No priority is 65535.
5503 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5505 * Makefile.in (build_tooldir): new variable, same as old
5506 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
5507 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
5508 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
5510 * configure.in (gxx_include_dir): set default based on unlibsubdir
5511 * Makefile.in (tooldir): ditto
5512 (cccp.o, cpplib.o): use unlibsubdir implicitly through
5513 gxx_include_dir, includedir and tooldir
5514 (protoize.o, unprotoize.o): ditto
5516 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
5518 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
5520 * config/arm/thumb.c (thumb_override_options): Add warning about
5521 PIC code not being supported just yet.
5523 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
5525 * flow.c: Update comment.
5526 (notice_stack_pointer_modification): New static function.
5527 (record_volatile_insns): Use it.
5528 (mark_regs_live_at_end): Mark the stack pointer as alive
5529 at the end of the function if current_function_sp_is_unchanging
5531 (life_analysis_1): Set current_function_sp_is_unchanging.
5532 * function.c: Define it.
5533 (init_function_start): Initialize it.
5534 * output.h: Declare it.
5535 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
5536 the stack pointer as alive at the end of the function if
5537 current_function_sp_is_unchanging is set.
5538 * i386.c (ix86_epilogue): Optimize the restoring
5539 of the stack pointer.
5541 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
5543 * version.c: Bump for snapshot.
5545 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
5547 * c-pragma.c (handle_pragma_token): If passed a token instead
5548 of a tree, use that as the pack value.
5550 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
5552 * flow.c (find_basic_blocks_1): Fix prototype.
5554 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
5556 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
5557 (struct tree_decl): New fields no_check_memory_usage.
5558 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
5559 (init_attributes): Register it as a new attribute.
5560 (decl_attributes): Set flags on functions given that attribute.
5561 * c-decl.c (duplicate_decls): Merge new attribute.
5562 * expr.h (current_function_check_memory_usage): Declare new var.
5563 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
5564 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
5565 current_function_check_memory_usage.
5566 * function.h: Add field to struct function.
5567 * function.c (current_function_check_memory_usage): Define it.
5568 (push_function_context_to, pop_function_context_from): Save and
5570 (expand_function_start): Set it, based on global flag and function
5573 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
5574 check non-automatic variables, to permit detection of writes to
5575 read-only locations in embedded systems without memory management.
5576 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
5577 when emitting chkr_set_right_libfunc call, even if the argument is
5578 BLKmode or variable-sized; don't abort.
5580 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
5581 symbols in Pmode, not VOIDmode.
5583 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5585 * cppexp.c: When forcing unsigned comparisons, cast both sides
5588 * cpphash.h: Move static declaration of hashtab[]...
5589 * cpphash.c: ...here.
5591 * cpplib.c: Cast difference of two pointers to size_t before
5592 comparing it to size_t. Cast signed to unsigned
5593 before comparing to size_t. (FIXME: struct argdata should use
5594 unsigned buffer sizes.)
5595 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
5596 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
5597 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
5598 size_t before comparison.
5600 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
5602 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
5603 (find_basic_blocks_1): Similarly.
5604 * output.h (find_basic_blocks): Fix prototype.
5605 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
5606 find_basic_blocks anymore.
5608 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
5610 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
5611 (sbitmap_free, sbitmap_vector_free): New macros.
5612 * output.h (rtl_dump_file): Declare.
5614 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
5616 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
5618 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5620 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
5622 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
5623 (divide): Remove unused variable `tmp'.
5624 (si_to_float): Cast numeric constant to (SItype) before comparing
5627 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
5629 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
5630 * gcc.c (add_preprocessor_option): Correct typo when allocating
5631 memory, sizeof() argument had one too many `*'.
5632 (add_assembler_option): Likewise.
5633 (add_linker_option): Likewise.
5634 * gcov.c (output_data): Likewise.
5635 * local-alloc.c (memref_used_between_p): Likewise.
5636 (update_equiv_regs): Likewise.
5637 * loop.c (strength_reduce): Likewise.
5638 * reg-stack.c (record_asm_reg_life): Likewise.
5639 (subst_asm_stack_reg): Likewise.
5640 * reorg.c (dbr_schedule): Likewise.
5642 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5644 * flow.c (life_analysis_1): Break out some functions.
5645 (find_basic_blocks_1): Likewise. Also move some variables out and
5647 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
5648 new static var nonlocal_label_list with it.
5649 (active_eh_region, nested_eh_region, label_value_list,
5650 nonlocal_label_list): New static variables.
5651 (make_edges, delete_unreachable_blocks, delete_block): New static
5652 functions, broken out of find_basic_blocks_1.
5653 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
5654 noop_move_p): New static functions, broken out of life_analysis_1.
5656 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
5658 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
5659 Take extra care for op0 now possibly being a subreg.
5660 (extract_bit_field): Likewise.
5661 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
5662 the reg to memory if there is no equal sized integral mode.
5663 * stor-layout.c (int_mode_for_mode): New function.
5664 * machmode.h: Prototype it.
5666 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
5668 * global.c (build_insn_chain): Verify no real insns exist past the
5669 end of the last basic block, then exit the loop.
5671 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5673 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
5675 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
5677 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
5679 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
5681 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
5683 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
5685 * flow.c (find_basic_blocks): Correctly determine when a call
5686 is within an exception region.
5688 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
5690 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
5692 * cpplib.h: Protect from multiple inclusions.
5693 * cpplib.c: Fix minor formatting problems.
5695 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
5697 * jump.c (jump_optimize): Revert accidental patch.
5699 * Makefile.in (cpplib.o): Use unlibsubdir.
5701 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
5703 * loop.c (get_condition): Allow combine when either compare is
5706 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
5708 * version.c: Bump for snapshot.
5710 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
5712 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
5713 (init_lex): Initialize ridpointers[RID_BYREF].
5714 * c-lex.h (enum rid): Add RID_BYREF.
5715 * c-parse.gperf: Add RID_BYREF as a type qualifier.
5716 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
5717 (encode_type_qualifiers): Similarly
5718 * c-gperf.h: Rebuilt.
5720 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
5722 * c-common.c (type_for_mode): Only return TItype nodes when
5723 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5724 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
5725 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5726 (init_decl_processing): Only create TItype nodes when
5727 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5728 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
5729 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5731 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5733 * stmt.c (n_occurrences): New static function.
5734 (expand_asm_operands): Verify that all constrains match in the
5735 number of alternatives.
5736 Verify that '+' or '=' are at the beginning of an output constraint.
5737 Don't allow '&' for input operands.
5738 Verify that '%' isn't written for the last operand.
5739 * reload.c (find_reloads): Abort if an asm is found with invalid
5740 constraints; all possible problems ought to be checked for earlier.
5742 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5744 * flags.h (flag_branch_on_count_reg): Always declare
5745 * toplev.c (flag_branch_on_count_reg): Likewise.
5746 * toplev.c: Fix typos.
5748 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
5751 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
5753 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
5755 (find_basic_blocks_1): Add a nop to the end of a basic block when
5756 a trailing call insn does not have abnormal control flow.
5757 * gcse.c (pre_transpout): New variable.
5758 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
5759 (compute_pre_transpout): Calculate it.
5760 (compute_pre_ppinout): Use it to eliminate impossible placements
5761 due to abnormal control flow through calls.
5762 (compute_pre_data): Call compute_pre_transpout.
5764 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5766 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
5768 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
5770 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
5771 and matching define_insns): Tack on a `use' of the table label, so
5772 flow analysis will recognize a tablejump.
5774 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
5776 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
5777 always end basic blocks for abnormal edge reasons.
5779 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
5781 * config/i386/i386.h: Remove definition of
5782 HANDLE_PRAGMA_PACK_PUSH_POP.
5784 * config/i386/go32.h: Add definition of
5785 HANDLE_PRAGMA_PACK_PUSH_POP.
5787 * config/i386/win32.h: Add definition of
5788 HANDLE_PRAGMA_PACK_PUSH_POP.
5790 * config/i386/cygwin32.h: Add definition of
5791 HANDLE_PRAGMA_PACK_PUSH_POP.
5793 * c-pragma.c (insert_pack_attributes): Do not insert
5794 attributes unless #pragma pack(push,<n>) is in effect.
5796 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
5798 * expr.c (emit_group_store): Handle a PARALLEL destination.
5800 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
5802 * gcse.c (pre_insert_insn): When a call ends a bb, insert
5803 the new insns before the argument regs are loaded.
5805 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5807 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5808 (c-parse.gperf): Update comments describing invocation flags.
5809 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5811 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5813 * reload1.c (reload): Call free before clobbering the memory
5814 locations or constants pointers.
5816 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5818 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5819 for efficiency by checking whether we need to modify the current
5820 stack permission at all.
5821 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5822 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5823 __enable_execute_stack libcall here too if
5824 TRANSFER_FROM_TRAMPOLINE is defined.
5825 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5828 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5830 * Makefile.in (DRIVER_DEFINES): Remove last change.
5832 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5834 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5835 insns we're going to copy.
5836 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5838 * loop.c (count_one_set): Add prototype.
5840 * caller-save.c (restore_referenced_regs): Lose mode argument.
5841 (insert_save): Lose mode argument.
5842 (insert_restore): Lose mode argument.
5843 (insert_one_insn): Lose mode argument.
5844 (save_call_clobbered_regs): Lose mode argument.
5845 (setup_save_areas): Take no argument and return void. All callers
5847 Don't verify validity of memory addresses.
5848 * reload.h (setup_save_ares): Adjust prototype.
5849 (save_call_clobbered_regs): Likewise.
5850 * reload1.c (delete_caller_save_insns): New function.
5851 (caller_save_spill_class): Delete variable.
5852 (caller_save_group_size): Delete variable.
5853 (reload): Call setup_save_areas and save_call_clobbered_regs
5854 in the main loop, before calling calculate_needs_all_insns.
5855 Don't call save_call_clobbered_regs after the loop.
5856 Call delete_caller_save_insns at the end of an iteration if
5858 Delete code to manage caller_save_spill_class.
5859 Emit the final note before setting reload_first_uid.
5860 Simplify test that determines whether reload_as_needed gets run.
5861 (calculate_needs): Delete code to manage caller_save_spill_class.
5863 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5865 * collect2.c (main): Initialize ld_file_name.
5867 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5869 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5870 check for flag_function_sections.
5872 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5874 * cse.c (insert_regs): Fix bug in Sep 24 change.
5876 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5878 * flags.h (flag_dump_unnumbered): Declare.
5879 * toplev.c (flag_dump_unnumbered): Don't declare.
5880 * print-rtl.c (flags.h): Include.
5881 (print_rtl_single): Add return value.
5882 * rtl.h (print_rtl_single): Update declaration.
5883 * flow.c (flag_dump_unnumbered): Don't declare.
5884 (print_rtl_with_bb): Use return value of print_rtl_single.
5886 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5888 * loop.c (count_one_set): New static function, broken out of
5890 (count_loop_regs_set): Call it.
5891 * global.c (mark_reg_store): Handle clobbers here by not calling
5893 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5894 is in fact a clobber.
5895 * integrate.c (process_reg_param): New function, broken out of
5896 expand_inline_function.
5897 (expand_inline_function): Call it.
5900 * i386.md (addsidi3_1): Delete unused variable temp.
5901 (addsidi3_2): Likewise.
5902 (clstrstrsi): Delete unused variable addr1.
5904 * rtl.h: Don't declare any functions also declared in recog.h.
5906 * Makefile.in (stupid.o): Update dependencies.
5907 (global.o): Likewise.
5909 * global.c: Include reload.h
5910 (reg_becomes_live): New function.
5911 (reg_dies): New function.
5912 (build_insn_chain): New function.
5913 (global_alloc): Call build_insn_chain before calling reload.
5915 * reload.h (struct needs): New structure definition.
5916 (struct insn_chain): Likewise.
5917 (reload_insn_chain): Declare variable.
5918 (new_insn_chain): Declare function.
5921 * reload1.c (reload_startobj): New variable.
5922 (reload_insn_chain): New variable.
5923 (unused_insn_chains): New variable.
5924 (new_insn_chain): New function.
5925 (init_reload): Initialize reload_startobj, not reload_firstobj.
5926 (reload): Initialize reload_firstobj.
5927 Before returning, free everything on the reload_obstack.
5929 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5930 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5931 current_chain): New variables.
5932 (reg_where_born): Delete variable.
5933 (REG_WHERE_BORN): New macro.
5934 (find_clobbered_regs): New function.
5935 (stupid_life_analysis): Don't allocate/free reg_where_born.
5936 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5937 reg_where_dead_chain.
5938 Use REG_WHERE_BORN instead of reg_where_born.
5939 While processing the insns, build the reload_insn_chain with
5940 information about register lifetimes.
5941 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5942 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5944 Compute and information about birth and death of pseudo registers in
5945 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5946 Delete code to set elements of reg_where_born.
5948 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5950 * tree.def (GOTO_EXPR): Modified documentation.
5951 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5954 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5956 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5957 loop_final_value, loop_comparison_code): No longer static.
5958 (unroll_loop): Delete loop_start_value update.
5959 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5960 loop_final_value, loop_comparison_code): Extern.
5961 (loop_start_value): Delete extern.
5962 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5963 loop_comparison_value, loop_comparison_code): Delete.
5964 (loop_optimize): Remove initialization for deleted variables.
5965 (strength_reduce): Delete analyze_loop_iterations call. Only call
5966 insert_bct if flag_branch_count_on_reg set.
5967 (analyze_loop_iterations): Delete.
5968 (insert_bct): Remove iteration count calculation. Move checks for
5969 viable BCT optimization to here. Obtain iteration count from
5970 loop_iterations and correct for unrolling. Check for enough
5971 iteration to be beneficial. Comment out runtime iteration count
5973 (insert_bct): Print iteration count in dump file. Remove
5974 loop_var_mode and use word_mode directly.
5976 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5977 * rs6000.c (rs6000_override_options): Use it.
5978 (optimization_options): Enable use of flag_branch_on_count_reg.
5979 * rs6000.md (define_function_unit): Describe 604e.
5981 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5983 * loop.c (move_movables): Corrected threshold calculation for
5984 moved_once registers.
5986 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5988 * loop.c (combine_givs_p): Fix test for identical givs.
5990 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5992 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5993 call abort if the function is already defined.
5995 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5997 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5998 truncation is not a no-op.
6000 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
6002 * version.c: Bump for snapshot.
6004 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
6006 * version.c: Bump for snapshot.
6008 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
6010 * expmed.c (expand_divmod): Don't widen for computing remainder
6011 if we seem to have a divmod pattern for needed mode.
6013 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6015 * cpplib.c (macroexpand): Correct off-by-one error in handling
6018 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
6020 * combine.c (expand_field_assignment): Don't do bitwise operations
6021 on MODE_FLOAT; pun to MODE_INT if possible.
6023 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
6024 scott snyder <snyder@d0sgif.fnal.gov>
6026 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
6027 linker. Recognize mangled names in quotes.
6029 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6031 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
6032 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
6033 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
6034 (lshrsi3_extend, lshrsi3_extend2): Ditto.
6036 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6038 * function.c (purge_addressof_1): If trying to take a sub-word
6039 integral piece of a floating point mode, put it on the stack.
6041 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
6043 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
6045 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
6047 * PROJECTS: Remove template friends.
6049 * collect2.c (sort_ids): Remove unused variable.
6051 * tm.texi (MATH_LIBRARY): Document.
6052 (NEED_MATH_LIBRARY): Remove.
6054 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
6055 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
6057 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
6059 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
6060 last_end to 0x7fffffff.
6062 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6064 * function.c (purge_addressof_1): Do not perform endianness
6065 corrections on bitpos, who we call will do it for us.
6067 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
6069 * h8300.c (WORD_REG_USED): Fix typo.
6070 (initial_offset): Use WORD_REG_USED.
6072 * h8300.c (handle_pragma): Fix typo.
6074 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6076 * caller-save.c (insert_save_restore): Break this function up
6077 into new functions insert_restore, insert_save and insert_one_insn.
6078 All callers changed.
6079 (insert_restore): New function, mostly broken out of
6080 insert_save_restore.
6081 (insert_save): Likewise.
6082 (insert_one_insn): Likewise.
6083 (restore_referenced_regs): New argument BLOCK. All callers changed.
6084 (save_call_clobbered_regs): Don't keep track of basic block boundaries
6085 in this function, do it in insert_one_insn instead.
6087 * reload1.c (reload): Break out some more pieces into separate
6089 (dump_needs): New function, broken out of reload.
6090 (set_initial_elim_offsets): Likewise.
6091 (init_elim_table): Likewise.
6092 (update_eliminables): Likewise.
6094 * global.c (global_alloc): Delete code to manage the scratch_list.
6095 * local-alloc.c (qty_scratch_rtx): Delete.
6096 (scratch_block): Delete.
6097 (scratch_list): Delete.
6098 (scratch_list_length): Delete.
6099 (scratch_index): Delete.
6100 (alloc_qty_for_scratch): Delete.
6101 (local-alloc): Update initialization of max_qty.
6102 Delete code to manage the scratch list.
6103 Delete code to allocate/initialize qty_scratch_rtx.
6104 (block_alloc): Don't allocate quantities for scratches.
6105 Delete code to manage the scratch list.
6106 * regs.h (scratch_list): Delete declaration.
6107 (scratch_block): Delete declaration.
6108 (scratch_list_length): Delete declaration.
6109 * reload1.c (reload): Delete code to manage the scratch list.
6110 (spill_hard_reg): Likewise.
6111 (mark_scratch_live): Delete.
6113 * recog.c (alter_subreg): Delete declaration.
6115 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
6117 * Makefile.in (cccp.o): Fix typo in last patch.
6119 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6121 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
6122 * config/sh/lib1funcs.asm (___set_fpscr): Add.
6124 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
6126 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
6127 NULL_RTX as an argument.
6129 * Makefile.in (unlibsubdir): Define.
6130 (DRIVER_DEFINES): Use unlibsubdir.
6131 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
6132 (stmp-fixinc): Similarly.
6134 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6136 * regmove.c (regmove_optimize): Add variable old_max_uid.
6137 At the end of the function, update basic_block_end.
6139 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6141 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
6142 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
6145 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
6147 * config/arm/arm.c: Improve interworking support.
6149 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6151 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
6152 copied from reload_out[r] .
6154 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
6156 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
6157 with more than three size ranges.
6159 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
6161 * rtl.c (mode_name): Add a null string at the end of the array.
6162 (mode_wider_mode): Change type to unsigned char.
6163 (mode_mask_array): New variable.
6164 (init_rtl): Update for mode_wider_mode type change.
6166 * rtl.h (mode_wider_mode): Change type to unsigned char.
6167 (mode_mask_array): Declare.
6168 (GET_MODE_MASK): Use mode_mask_array.
6170 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
6172 * calls.c (expand_call) : Encapsulate code into
6173 copy_blkmode_from_reg.
6174 * expr.c (copy_blkmode_from_reg): New function.
6175 * expr.h (copy_blkmode_from_reg): New function.
6176 * integrate.c (function_cannot_inline_p): We can inline
6178 (expand_inline_function): Use copy_blkmode_from_reg
6179 if needed. Avoid creating BLKmode REGs.
6180 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
6183 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
6185 * config/v850/v850.c: Add function prototypes.
6186 Add support for v850 special data areas.
6188 * config/v850/v850.h: Add support for v850 special data areas.
6190 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
6191 HANDLE_PRAGMA_PACK_PUSH_POP.
6192 (push_alignment): New function: Cache an alignment requested
6193 by a #pragma pack(push,<n>).
6194 (pop_alignment): New function: Pop an alignment from the
6196 (insert_pack_attributes): New function: Generate __packed__
6197 and __aligned__ attributes for new decls whilst a #pragma pack
6199 (add_weak): New function: Cache a #pragma weak directive.
6200 (handle_pragma_token): Document calling conventions. Add
6201 support for #pragma pack(push,<n>) and #pragma pack (pop).
6203 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
6204 are defined enable HANDLE_PRAGMA_PACK.
6205 Move 'struct weak_syms' here (from varasm.c).
6206 Add pragma states for push and pop pragmas.
6208 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
6211 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
6212 HANDLE_GENERIC_PRAGMAS.
6214 * varasm.c: Move definition of 'struct weak_syms' into
6216 (handle_pragma_weak): Deleted.
6218 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
6220 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
6222 * c-decl.c (start_function): Add invocation of
6223 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
6225 * tm.texi: Remove description of non-existant macro
6226 SET_DEFAULT_SECTION_NAME.
6228 (HANDLE_SYSV_PRAGMA): Document.
6229 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
6231 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
6233 * config.sub: Recognize i[34567]86-pc-udk as new target.
6234 * configure.in: Likewise.
6235 * config/i386/t-udk: New file.
6236 * config/i386/udk.h: New file.
6238 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
6240 * reorg.c (check_annul_list_true_false): Remove unused variables.
6241 (steal_delay_list_from_target): Add missing "used_annul" variable.
6242 (try_merge_delay_insns): Close out half formed comment.
6244 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6246 * cpplib.c (macroexpand): If arg->raw_before or
6247 arg->raw_after, remove any no-reexpansion escape at the
6248 beginning of the pasted token. Correct handling of whitespace
6249 markers and no-reexpand markers at the end if arg->raw_after.
6251 * toplev.c (documented_lang_options): Recognize -include,
6252 -imacros, -iwithprefix, -iwithprefixbefore.
6253 * cpplib.c (cpp_start_read): Process -imacros and -include
6254 switches at the same time and in command-line order, after
6255 initializing the dependency-output code. Emit properly nested
6256 #line directives for them. Emit a #line for the main file
6257 before processing these switches, and don't do it again
6260 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
6262 * function.c (purge_addressof_1): Use bitfield manipulation
6263 routines to handle mem mode < reg mode.
6265 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6267 * reorg.c (try_merge_delay_insns): Account for resources referenced
6268 in each instruction in INSN's delay list before trying to eliminate
6269 useless instructions. Similarly when looking at a trial insn's delay
6272 * reorg.c (check_annul_list_true_false): New function.
6273 (steal_delay_list_from_{target,fallthrough}): Call it and also
6274 refine tests for when we may annul if already filled a slot.
6275 (fill_slots_from_thread): Likewise.
6276 (delete_from_delay_slot): Return newly-created thread.
6277 (try_merge_delay_isns): Use its new return value.
6279 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
6281 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
6282 used to compute a giv or as some other non-counting use.
6284 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6286 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
6287 * local-alloc.c (find_free_reg): Use it.
6288 * global.c (find_reg): Likewise.
6289 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
6291 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
6292 * caller-save.c (init_caller_save): Use it.
6293 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
6295 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6297 * configure.in: Add --enable-cpplib option which uses cpplib
6298 for cpp, but doesn't link cpplib into cc1. Make help text
6299 capitalization consistent.
6300 * configure: Rebuilt.
6302 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
6304 * function.c (gen_mem_addressof): If the address REG is
6305 REG_USERVAR_P make the new REG be so also.
6306 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
6307 in an attempt to clarify slightly.
6309 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
6311 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
6312 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
6314 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
6316 * toplev.c: Fix last patch.
6318 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
6320 * loop.c (get_condition): Fix typo in May 9 change.
6322 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6324 * invoke.texi (-fexceptions): Merge 2 different descriptions.
6326 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6328 * toplev.c (documented_lang_options): Spelling corrections.
6330 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6332 * configure.in: new flags --with-ld and --with-as, equivalent
6333 to setting LD and AS environment variables. Test whether
6334 specified arguments are GNU commands, and report them with
6335 checking messages. Use the specified AS for configure
6338 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
6340 * gcc.c (find_a_file): when looking for `as' and `ld', return
6341 the DEFAULT program if it exists
6342 * collect2.c (main): use DEFAULT_LINKER if it exists
6344 * gcc.c (find_a_file): the test for existence of a full
6345 pathname was reversed
6347 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
6349 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
6350 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
6352 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
6354 * tree.h (TYPE_BINFO): Document.
6356 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
6358 * i386-coff.h (dbxcoff.h): Added.
6360 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
6362 * toplev.c: fix bad patch around flag_data_sections.
6364 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
6366 * reload1.c (reload): Use reload_address_index_reg_class and
6367 reload_address_base_reg_class when setting
6368 caller_save_spill_class. (Patch generated by Jim Wilson:
6371 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
6373 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
6374 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
6375 * expr.c (store_field): Add alias_set parameter. Set the
6376 MEM_ALIAS_SET accordingly, if the target is a MEM.
6377 (expand_assignment): Use it.
6378 (store_constructor_field): Pass 0.
6379 (expand_expr): Likewise.
6381 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
6383 * flags.h: Add flag_data_sections.
6384 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
6385 (compile_file): Error if flag_data_sections not supported.
6386 * varasm.c (assemble_variable): Handle flag_data_sections.
6387 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
6388 * config/mips/elf.h: Likewise.
6389 * config/mips/elf64.h: Likewise.
6390 * invoke.texi: Describe -fdata-sections.
6392 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
6394 * invoke.texi (-ffloat-store): Clarify that this option
6395 does not affect intermediate results -- only variables.
6397 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
6399 * cpp.texi: Update for Fortran usage from Craig.
6401 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
6403 * rs6000.c (function_arg_boundary): Revert accidental change on
6406 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
6408 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
6409 (output_mi_thunk): Declare.
6411 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
6412 (output_function_profiler): Use r12 for temp, instead of r11 so
6413 that we preserve the static chain register.
6415 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
6417 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
6419 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6421 * sh.c (gen_shl_sext): Fix case 5.
6423 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6425 * reload1.c (reload_combine): Re-add line that got accidentally lost.
6427 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6429 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
6430 accessing variables until they are initialized via va_arg().
6432 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6434 * reload1.c (reload_combine): Initialize set before using.
6436 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
6438 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
6441 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
6443 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
6444 operand3 with mask before using it. Patch provided by Jim Wilson.
6446 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6448 * config/sparc/sparc.c (function_value): Perform the equivalent of
6449 PROMOTE_MODE for ARCH64.
6450 (eligible_for_epilogue_delay): Allow DImode operations in delay
6451 slot of a return for ARCH64.
6453 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6455 * sh.md (sqrtsf2): Fix mode of sqrt.
6457 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6459 * reload1.c (choose_reload_regs): Also try inheritance when
6460 reload_in is a stack slot of a pseudo, even if we already got a
6463 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6465 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
6466 (reload_cse_regs): New function body: call reload_cse_regs_1,
6467 reload_combine, reload_cse_move2add.
6468 When doing expensive_optimizations, call reload_cse_regs_1 a
6469 second time after reload_cse_move2add.
6470 (reload_combine, reload_combine_note_store): New functions.
6471 (reload_combine_note_use): New function.
6472 (reload_cse_move2add, move2add_note_store): New functions.
6474 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6476 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
6477 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
6479 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
6480 more than 3 such reloads.
6482 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
6483 RELOAD_FOR_X_ADDR_ADDR reload.
6485 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6487 * expr.c (store_constructor): When initializing a field that is smaller
6488 than a word, at the start of a word, try to widen it to a full word.
6490 * cse.c (cse_insn): When we are about to change a register,
6491 remove any invalid references to it.
6493 (remove_invalid_subreg_refs): New function.
6494 (mention_regs): Special treatment for SUBREGs.
6495 (insert_regs): Don't strip SUBREG for call to mention_regs.
6496 Check if reg_tick needs to be bumped up before that call.
6497 (lookup_as_function): Try to match known word_mode constants when
6498 looking for a norrower constant.
6499 (canon_hash): Special treatment for SUBREGs.
6501 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6503 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
6504 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
6505 defined, emit libcall to __enable_execute_stack. Also fix opcodes
6506 and offsets in actual stack trampoline code so they match the
6507 commentary and actually work.
6509 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6511 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
6513 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
6514 tmake_file. Set extra_parts to needed crt objects.
6515 * configure: Rebuilt.
6516 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
6517 (TARGET_DEFAULT): Set if default is v9 or ultra.
6518 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
6519 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
6520 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
6521 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
6522 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
6523 (TARGET_VERSION): Define.
6524 (MULTILIB_DEFAULT): Define.
6525 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
6526 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
6527 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
6529 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
6530 * config/sparc/sparc.c (sparc_override_options): If arch and
6531 pointer size disagree, emit diagnostic and fix it up. If
6532 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
6533 V8PLUS in 64-bit mode.
6534 * config/sparc/t-linux64: New file.
6535 * config/sparc/t-sol2-64: New file.
6536 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
6537 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
6538 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
6539 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
6540 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
6541 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
6543 (STARTFILE_SPEC): Set approriately based upon those.
6544 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
6545 disposition of DEFAULT_ARCH32_P.
6546 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
6547 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
6548 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
6549 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
6550 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
6552 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
6554 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
6556 * rtl.h (init_virtual_regs): New function.
6557 * emit-rtl.c (init_virtual_regs): Define.
6558 (insn_emit): Use it.
6559 * integrate.c (save_for_inline_copying): Likewise.
6561 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
6563 * config/arm/thumb.h: The following patches were made by Jim Wilson:
6564 (enum reg_class): Add NONARG_LO_REGS support.
6565 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
6566 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
6567 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
6568 completes. Re-enable HImode REG+OFFSET addresses.
6569 (LEGITIMIZE_RELOAD_ADDRESS): Define.
6571 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
6573 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
6575 * alpha.c (get_aligned_mem): Revert Sep 20 change.
6576 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
6577 (alpha_align_insns): Properly calculate initial offset wrt max_align.
6579 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
6581 * arm.c (find_barrier): Revert change of Apr 23. Handle table
6582 jumps as a single entity, taking into account the size of the
6585 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6587 * tree.def (SWITCH_EXPR): New tree node definition.
6589 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
6591 * version.c: Bump for snapshot.
6593 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
6595 * version.c: Bump for snapshot.
6597 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
6599 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
6602 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
6604 * Revert this patch.
6605 * reload.c (find_reloads): Do not replace a pseudo with
6606 (MEM (reg_equiv_addr)) in the initializing insn for the
6609 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
6611 * final.c (final_scan_insn): Disable tracking CC across branches.
6613 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6615 * expr.h (eh_rtime_match_libfunc): New extern declaration.
6616 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
6617 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
6618 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
6619 NULL. Only include <stdio.h> if inhibit_libc is not defined.
6621 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
6623 * toplev.c (rest_of_compilation): Skip compiling anything with
6624 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
6626 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
6628 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
6629 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
6630 use in_libcall_block.
6631 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
6632 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
6635 Mon Sep 21 14:02:23 1998
6637 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
6638 typo in no-fancy-math-387 description.
6640 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
6642 * version.c: Bump for snapshot.
6644 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
6646 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
6648 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
6650 * i386.h: (TARGET_SWITCHES) Add description fields for flags
6651 documented in install.texi.
6652 (TARGET_OPTIONS) Likewise.
6654 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
6656 * version.c: Bump for snapshot.
6658 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
6660 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
6661 * cccp.c (main): Likewise.
6663 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
6664 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
6667 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
6669 * Makefile.in (LIBS): Link in libiberty.a.
6670 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
6672 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
6674 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
6675 it to update bb boundaries. Update caller.
6676 * function.c (reposition_prologue_and_epilogue_notes): Update
6677 bb boundaries wrt the moved note.
6679 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
6681 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
6683 * configure: Regenerate.
6685 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
6687 * alpha.c (alpha_sr_alias_set): New variable.
6688 (override_options): Set it.
6689 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
6690 (mode_mask_operand): Fix signed-unsigned comparision warning.
6691 (alpha_expand_block_move): Likewise.
6692 (print_operand): Likewise.
6693 (get_aligned_mem): Use change_address.
6694 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
6695 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
6696 (alphaev4_next_nop, alphaev5_next_nop): New functions.
6697 (alpha_align_insns): Remade from old alphaev5_align_insns
6698 to handle multiple processors.
6699 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
6700 * output.h (label_to_alignment): Prototype.
6702 * tree.c (new_alias_set): New function.
6703 * tree.h (new_alias_set): Declare it.
6704 * c-common.c (c_get_alias_set): Use it.
6706 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
6708 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
6709 to an ABS expr, convert an unsigned input to signed.
6711 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
6713 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
6715 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6717 * configure.in: Add support for c4x targets.
6718 * configure: Rebuilt.
6720 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
6722 * combine.c (distribute_notes): If an insn is a cc0 user, only
6723 delete it if we can also delete the cc0 setter.
6725 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
6727 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
6728 (invert_truthvalue): Enable truthvalue inversion for
6729 floating-point operands if -ffast-math.
6731 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
6733 * configure.in: Disable collect2 for nextstep. Instead use
6735 * configure: Rebuilt.
6736 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
6737 (ENDFILE_SPEC): Define.
6738 (OBJECT_FORMAT_MACHO): Define.
6739 (EH_FRAME_SECTION_ASM_OP): Define.
6740 * crtstuff.c: Handle MACHO.
6742 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
6744 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
6746 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
6748 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
6749 (_fpadd_parts): Get sign right for 0.
6751 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6753 * ginclude/varargs.h: Add support for C4x target.
6754 * ginclude/stdargs.h: Likewise.
6756 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
6758 * alpha.c (alpha_return_addr): SET should be VOIDmode.
6759 (alpha_emit_set_long_const): Rewrite to be callable from reload
6761 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
6762 * alpha.md (movdi): Likewise.
6764 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
6766 * arm.c (add_constant): New parameter address_only, change caller.
6767 Set it non-zero if taking the address of an item in the pool.
6768 (arm_reorg): Handle cases where we need the address of an item in
6771 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
6773 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
6774 memory addresses that are not in standard canonical form.
6776 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
6778 * README.C4X: New file with information about the c4x ports.
6779 * ginclude/va-c4x.h: New file for c4x varargs support.
6780 * config/c4x: New directory with c4x port files.
6782 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
6784 * reload.c (find_reloads): Do not replace a pseudo with
6785 (MEM (reg_equiv_addr)) in the initializing insn for the
6788 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
6790 * toplev.c (rest_of_compilation): Set bct_p on second call to
6792 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
6794 (strength_reduce): Only call analyze_loop_iterations and
6795 insert_bct if bct_p set.
6796 (check_dbra_loop): Fix typo.
6797 (insert_bct): Use word_mode instead of SImode.
6798 (instrument_loop_bct): Likewise. Do not delete iteration count
6799 condition code generation insn. Initialize iteration count before
6801 * rtl.h (loop_optimize): Update prototype.
6803 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
6804 not doubleword aligned.
6806 * rs6000.c (optimization_options): New function.
6807 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6808 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6809 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6810 first; cr1 can be used for FP record condition insns.
6812 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6814 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6817 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6820 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6822 (block_move_call): New function: Call a library routine to copy a
6824 (m32r_expand_block_move): New function: Expand a "movstrsi"
6825 pattern into a sequence of insns.
6826 (m32r_output_block_move): New function: Expand a
6827 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6828 (m32r_block_immediate_operand): New function: Return true if the
6829 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6831 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6833 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6835 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6837 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6839 * regmove.c (copy_src_to_dest): Check that modes match.
6841 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6843 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6845 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6847 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6848 narrower than FLOAT_REGS.
6850 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6852 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6854 * Makefile.in (old_gxx_include_dir): removed
6856 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6858 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6861 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6862 (sh_handle_pragma): Change function arguments to match new
6863 specification for HANDLE_PRAGMA.
6865 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6867 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6869 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6870 When generating output, initialize missing struct member to zero.
6872 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6874 * regmove.c (copy_src_to_dest): Don't copy if that requires
6875 (a) new register(s).
6877 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6879 * global.c (reg_allocno): Now static.
6880 * reload1.c (reg_allocno): Delete declaration.
6881 (order_regs_for_reload): Take no arguments. Don't treat regs
6882 allocated by global differently than those allocated by local-alloc.
6884 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6886 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6887 condition, fix format strings.
6888 (output_function_epilogue): Likewise.
6890 * m68k/m68k.c: Don't include <stdlib.h> directly.
6892 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6894 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6895 mem_first_set, mem_last_set; because 0 can be a CUID.
6896 (oprs_unchanged_p): Use new definition.
6897 (record_last_reg_set_info): Likewise.
6898 (record_last_mem_set_info): Likewise.
6899 (compute_hash_table): Likewise.
6901 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6903 * rs6000.c (output_epilogue): Handle Chill.
6905 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6906 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6908 * combine.c (make_extraction): If no mode is specified for
6909 an operand of insv, extv, or extzv, default it to word_mode.
6910 (simplify_comparison): Similarly.
6911 * expmed.c (store_bit_field): Similarly.
6912 (extract_bit_field): Similarly.
6913 * function.c (fixup_var_regs_1): Similarly.
6914 * recog.c (validate_replace_rtx_1): Similarly.
6915 * mips.md (extv, extzv, insv expanders): Default modes for most
6916 operands. Handle TARGET_64BIT.
6917 (movdi_uld, movdi_usd): New patterns.
6919 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6920 equivalent memory location unless we have been provided a scratch
6921 register. Similarly do not call find_replacement unless a
6922 scratch register has been provided.
6924 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6926 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6929 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6931 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6932 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6933 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6934 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6935 * c-decl.c (init_decl_processing): Update accordingly.
6936 * expr.c (expand_builtin): Likewise.
6938 * rtl.h (global_rtl): Add cfa entry.
6939 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6940 (LAST_VIRTUAL_REGISTER): Update.
6941 * emit-rtl.c (global_rtl): Add cfa entry.
6942 (init_emit): Initialize it.
6943 * function.c (cfa_offset): New.
6944 (instantiate_virtual_regs): Initialize it.
6945 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6946 (expand_function_end): Call expand_eh_return.
6947 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6949 * except.c (current_function_eh_stub_label): Kill.
6950 (current_function_eh_old_stub_label): Likwise; update all references.
6951 (expand_builtin_set_return_addr_reg): Kill.
6952 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6953 (expand_builtin_set_eh_regs): Kill.
6954 (eh_regs): Produce a third reg for the actual handler address.
6955 (eh_return_context, eh_return_stack_adjust): New.
6956 (eh_return_handler, eh_return_stub_label): New.
6957 (init_eh_for_function): Initialize them.
6958 (expand_builtin_eh_return, expand_eh_return): New.
6959 * except.h: Update prototypes.
6960 * flow.c (find_basic_blocks_1): Update references to the stub label.
6961 * function.h (struct function): Kill stub label elements.
6963 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6964 register number is one that would be in the previous window.
6965 Provide a dummy definition for non-windowed targets.
6966 (get_reg_addr): New function.
6967 (get_reg, put_reg, copy_reg): Use it.
6968 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6969 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6971 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6972 (alpha_init_expanders): Initialize it.
6973 (alpha_expand_epilogue): Use it.
6974 * alpha.h: Declare it.
6975 * alpha.md (eh_epilogue): New.
6977 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6978 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6980 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6982 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6985 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6987 * except.h (struct eh_entry): Add false_label field.
6988 (end_catch_handler): Add prototype.
6989 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6990 (start_catch_handler): When using old style exceptions, issue
6991 runtime typematch code before continuing with the handler.
6992 (end_catch_handler): New function, generates label after handler
6993 if needed by older style exceptions.
6994 (expand_start_all_catch): No need to check for new style exceptions.
6995 (output_exception_table_entry): Only output the first handler label
6996 for old style exceptions.
6997 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6998 mechanism into one function, if a runtime matcher is provided.
7000 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7002 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
7004 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
7006 * integrate.c (copy_decl_list): Fix typo.
7008 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7010 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
7013 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
7015 * version.c: Bump for snapshot.
7017 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
7019 * version.c: Bump for snapshot.
7021 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
7023 * version.c: Bump for snapshot.
7025 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7027 * invoke.texi (C Dialect Options): Put back missing @end itemize.
7029 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7031 * configure.in: remove usage of `!' to negate the result of a
7032 command; some common shells do not support it
7034 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7036 * configure.in: in sparc9-sol2 config, use 'if test' not
7038 * configure: Rebuilt.
7040 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
7042 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
7043 (CPP_CPU_DEFAULT_SPEC): Likewise.
7044 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
7045 for arch64 libfuncs.
7047 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
7050 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7052 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
7054 * collect2.c: Don't declare `sys_siglist' here.
7055 (my_strsignal): Prototype and define new function. Use it in
7056 place of `sys_siglist' hacks.
7058 * mips_tfile.c: Likewise.
7060 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
7061 (GCC_NEED_DECLARATIONS): Likewise.
7063 * system.h (strsignal): Prototype it, if necessary.
7064 (sys_siglist): Declare it, if necessary.
7066 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7068 * loop.c (move_movables): While removing insn sequences, preserve
7069 the next pointer of the most recently deleted insn when we skip
7072 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
7074 * objc/config-lang.in: Do not output the name of the selected
7075 thread file when building the front-end. The Makefile for the
7076 runtime library will do this.
7078 * objc/Make-lang.in: Do not build the runtime library or install
7079 the Objective C header files. The Makefile for the runtime
7080 library will do this.
7082 * objc/Makefile.in (all.indirect): Only build the front-end.
7083 (compiler): Rename to `frontend'.
7084 (obj-runtime): Remove target.
7085 (copy-headers): Likewise.
7086 (clean): No need to remove `libobjc.a' any longer.
7088 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
7090 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
7091 supported with -mcpu=xxx.
7093 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7095 * flow.c (mark_set_1): Recognize multi-register structure return
7096 values in CALL insns.
7097 (mark_used_regs): Likewise.
7098 (count_reg_sets_1): Likewise.
7099 (count_reg_references): Likewise.
7100 * rtlanal.c (note_stores): Likewise.
7101 (reg_overlap_mentioned_p): Likewise.
7102 * haifa-sched.c (check_live_1): Likewise.
7103 (update_live_1): Likewise.
7104 (sched_analyze_1): Likewise.
7105 (sched_note_set): Likewise.
7106 (birthing_insn_p): Likewise.
7107 (attach_deaths): Likewise.
7109 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
7112 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
7114 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
7116 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7118 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
7120 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7122 * configure.in: Add check for GAS subsection -1 support.
7123 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
7124 * configure config.in: Rebuilt.
7125 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
7126 SImode is subsection -1 works, else use DImode.
7127 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
7128 subsection -1 works.
7129 * config/sparc/sparc.c (sparc_output_addr_vec,
7130 sparc_output_addr_diff_vec): Use them if defined.
7132 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
7134 * tree.h (DECL_ORIGIN): New macro.
7135 * integrate.c (copy_and_set_decl_abstract_origin): New function.
7136 (copy_decl_list): Use it.
7137 (integrate_parm_decls): Likewise.
7138 (integrate_decl_tree): Likewise.
7139 * dwarf2out.c (decl_ultimate_origin): Simplify.
7140 * dwarfout.c (decl_ultimate_origin): Likewise.
7141 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
7142 (pushdecl): Likewise.
7144 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
7146 * config/rs6000/rs6000.c (output_epilog): Add Java support.
7148 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
7150 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
7152 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
7154 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
7155 empty or has a single entry.
7157 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
7158 before calling reg_to_stack.
7160 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
7162 * alpha.c (alphaev5_insn_pipe): Abort on default case.
7163 (alphaev5_next_group): Swallow CLOBBERs and USEs.
7165 * c-tree.h (warn_long_long): Declare it.
7167 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
7169 * emit-rtl.c (gen_lowpart_common): Disable optimization of
7170 initialized float-int union if the value is a NaN.
7172 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
7174 * c-lex.c (real_yylex): Don't warn about long long constants if
7175 we're allowing long long
7177 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7179 * except.h (current_function_eh_stub_label): Declare.
7180 (current_function_eh_old_stub_label): Declare.
7181 * function.h (struct function): New members eh_stub_label and
7183 * except.c (current_function_eh_stub_label): New variable.
7184 (current_function_eh_old_stub_label): New variable.
7185 (init_eh_for_function): Clear them.
7186 (save_eh_status): Save them.
7187 (restore_eh_status): Restore them.
7188 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
7189 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
7190 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
7191 make an edge from the block that contains it to the block starting
7192 with the label if this label is one of the eh stub labels.
7193 If eh stub labels exist, show they are reachable from the last block
7196 * reload1.c (reload): Break out several subroutines and make some
7198 (calculate_needs_all_insns): New function, broken out of reload.
7199 (calculate_needs): Likewise.
7200 (find_reload_regs): Likewise.
7201 (find_group): Likewise.
7202 (find_tworeg_group): Likewise.
7203 (something_needs_reloads): New global variable, formerly in reload.
7204 (something_needs_elimination): Likewise.
7205 (caller_save_spill_class): Likewise.
7206 (caller_save_group_size): Likewise.
7207 (max_needs): Likewise.
7208 (group_size): Likewise.
7209 (max_groups): Likewise.
7210 (max_nongroups): Likewise.
7211 (group_mode): Likewise.
7212 (max_needs_insn): Likewise.
7213 (max_groups_insn): Likewise.
7214 (max_nongroups_insn): Likewise.
7215 (failure): Likewise.
7217 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
7219 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
7221 * loop.c (load_mems): Copy rtx for output mem.
7223 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
7225 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
7226 mips1 or mips2 either.
7228 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
7230 * pa.c (pa_reorg): New marking scheme for jumps inside switch
7232 (pa_adjust_insn_length): Update to work with new marking scheme
7233 for jumps inside switch tables.
7234 * pa.md (switch_jump): Remove pattern.
7235 (jump): Handle jumps inside jump tables.
7237 * Makefile.in (profile.o): Depend on insn-config.h
7239 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
7241 * iris6.h (DWARF2_UNWIND_INFO): Undef.
7243 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7245 Add preliminary native sparcv9 Solaris support.
7246 * configure.in: Recognize sparv9-*-solaris2*
7247 * configure: rebuilt
7248 * config.sub: Recognize sparcv9 just like sparc64.
7249 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
7250 config/sparc/sol2-cn.asm: Macroize so it can be shared between
7251 32-bit and 64-bit Solaris systems.
7252 * config/sparc/t-sol2: Assemble those with cpp.
7253 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
7254 (*TF*_LIBCALL): If ARCH64 use V9 names.
7255 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
7257 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7259 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
7260 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
7262 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
7264 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
7265 to Pmode if CASE_VECTOR_MODE is something else.
7267 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
7269 * prefix.c (update_path): Correctly handle cases where PATH is
7270 a substring of the builtin prefix, but specifies a different
7273 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
7275 * expr.c: Corrected comment about what MOVE_RATIO does.
7276 * config/alpha/alpha.h: Ditto.
7277 * config/1750a/1750a.h: Ditto.
7278 * config/clipper/clipper.h: Ditto.
7279 * config/i386/i386.h: Ditto.
7281 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
7283 * configure.in (m68k-next-nextstep3*): Use collect2.
7284 Similarly for x86 NeXT configurations.
7285 * configure: Rebuilt.
7287 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
7289 * configure.in: Don't assume srcdir is .../gcc
7290 * configure: Rebuilt.
7292 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
7294 * global.c: Update comments.
7295 (global_alloc): Assign allocation-numbers
7296 even for registers allocated by local_alloc in case
7297 they are later spilled and retry_global_alloc is called.
7298 (mark_reg_store, mark_reg_clobber,
7299 mark_reg_conflicts, mark_reg_death): Always record a
7300 conflict with a pseudo register even if it has been
7301 assigned to a hard register.
7302 (dump_conflicts): Don't list pseudo registers already assigned to
7303 a hard register as needing to be allocated, but do list their
7305 * local-alloc.c: Update comment.
7307 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
7309 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
7310 * configure: Rebuilt.
7312 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
7314 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
7316 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
7317 for all targets that set -msoft-float.
7319 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7321 * toplev.c (print_switch_values): Make static to match prototype.
7323 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
7325 * configure.in: If we are unable to find the "gnatbind" program,
7326 then do not configure the ada subdir.
7327 * configure: Rebuilt.
7329 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
7331 * version.c: Bump for snapshot.
7333 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
7335 * version.c: Bump for snapshot.
7337 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7339 * Makefile.in (toplev.o): Depend on $(EXPR_H).
7340 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
7342 * gansidecl.h: Define ATTRIBUTE_NORETURN.
7344 * genattrtab.c: Have insn-attrtab.c include toplev.h.
7346 * genextract.c: Have insn-extract.c include toplev.h.
7348 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
7350 * toplev.c: Include expr.h.
7351 (really_sorry, fancy_abort): Remove prototypes.
7352 (set_target_switch): Add argument in prototype.
7353 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
7354 (v_really_sorry): Likewise.
7355 (print_version, print_single_switch, print_switch_values): Make
7356 static and add prototype arguments.
7357 (decl_printable_name): Add prototype arguments.
7358 (lang_expand_expr_t): New typedef.
7359 (lang_expand_expr): Declare as a lang_expand_expr_t.
7360 (incomplete_decl_finalize_hook): Add prototype argument.
7361 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
7362 (botch): Likewise for variable `s'.
7363 (rest_of_type_compilation): Mark variables `type' and `toplev'
7364 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
7365 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
7366 (display_help): Make variable `i' an `unsigned long'.
7367 (main): Remove unused parameter `envp'.
7368 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
7369 Cast -1 when comparing it with a `size_t'.
7371 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
7372 prototype with ATTRIBUTE_NORETURN.
7373 (fatal_insn_not_found, fatal_insn, really_sorry,
7374 push_float_handler, pop_float_handler): Add prototypes.
7375 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
7376 (do_abort, botch): Add prototypes.
7378 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
7380 * final.c (final): If a label is reached only from a single jump,
7381 call NOTICE_UPDATE_CC on the jump and its predecessor before
7382 emitting the insn after the label.
7384 * i386.h: Add AMD K6 support.
7385 Change TARGET_* macros to use table lookup.
7386 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
7387 (ADJUST_COST): Change definition to call function in i386.c.
7388 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
7389 * i386.c: Add AMD K6 support.
7390 Add constants for feature tests used by TARGET_* macros.
7391 (split_di): If before reload, call gen_lowpart and gen_highpart.
7392 (x86_adjust_cost): New function.
7393 (put_jump_code): New function.
7394 (print_operand): New codes 'D' and 'd'.
7395 * i386.md: New insn types. New insn attribute "memory".
7396 Redefine scheduling parameters to use new types and add AMD K6
7397 support. Explicitly set type of most insns.
7398 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
7399 Pro and K6 prefer movl $1,reg to incl reg.
7400 (adddi3, subdi3): Set cc_status.
7401 (DImode shift patterns): Change label counters from HOST_WIDE_INT
7402 to int; x86 can't have more than 2^31 DImode shifts per file.
7403 (setcc): Combine all setcc patterns. Allow writing memory.
7404 Combine all jump patterns using match_operator.
7405 (*bzero): Name pattern. Emit mutliple stos instructions when that
7406 is faster than rep stos.
7407 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
7410 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
7412 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
7415 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
7417 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
7418 not whatever we're generating now.
7420 * alpha.c (set_frame_related_p, FRP): New.
7421 (alpha_expand_prologue): Mark frame related insns.
7422 (alpha_expand_epilogue): Likewise, but with a null FRP.
7423 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
7424 * alpha.md (exception_receiver): New.
7425 * alpha/crtbegin.asm (.eh_frame): New beginning.
7426 (__do_frame_setup, __do_frame_takedown): New.
7427 * alpha/crtend.asm (.eh_frame): New ending.
7428 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
7429 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
7430 (ASM_FILE_START): Don't emit .file for dwarf2.
7432 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
7433 * rtl.c (reg_note_name): Likewise.
7434 * rtl.texi (REG_NOTES): Likewise.
7435 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
7438 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
7440 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
7441 * i386.md (movsf, movdf, movxf): Validate memory address returned
7442 from force_const_mem. Kill useless REG_EQUAL setting code.
7444 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
7446 * m68k.md (zero_extendsidi2): Fix typo.
7448 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
7450 * configure.in: Removed references to the removed file
7451 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
7452 * arm*-*-netbsd* and ns32k-*-netbsd*.
7453 * config/i386/xm-netbsd.h: Removed unnecessary file.
7454 * config/m68k/xm-netbsd.h: Likewise.
7455 * config/sparc/xm-netbsd.h: Likewise.
7456 * config/mips/xm-netbsd.h: Likewise.
7458 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
7460 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
7461 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
7463 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
7464 for exact section attributions.
7466 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
7468 * i386/crtdll.h (CPP_PREDEFINES): Define.
7470 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
7472 * m68k.md (5200 movqi): Do not allow byte sized memory references
7474 * m68k.c (output_move_qimode): Do not use byte sized operations on
7477 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
7478 explicit rules for building. Similarly for alloca, vfprintf,
7479 choose-temp and mkstemp, getopt, getopt1, and obstack.
7480 (INCLUDES): Add $(srcdir)/../include.
7481 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
7482 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
7484 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
7486 * gcc.c (do_spec_1): [case 'o'] Account for
7487 lang_specific_extra_outfiles.
7488 (main): Correctly clear all slots in outfiles for
7489 lang_specific_extra_outfiles. Set input_file_number before
7490 calling lang_specific_pre_link.
7492 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
7494 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
7496 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7498 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
7500 (sparc_output_deferred_case_vectors): If no work to do, return.
7501 Fix thinko in Sept 1 change.
7503 1998-09-03 SL Baur <steve@altair.xemacs.org>
7505 * Makefile.in: add semicolon in BISON definition for portability.
7507 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
7509 * config/nextstep.c (handle_pragma): Correct name of third
7512 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
7514 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
7515 * config/m32r/m32r.h: Make register 17 be fixed.
7516 * config/m32r/m32r.c: Use SImode for cc operations.
7518 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
7520 * invoke.texi (Warning Options): Add -Wnon-template-friend
7523 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
7525 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
7527 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
7529 * rs6000.md (movsf): Disable explicit secondary-reload-like
7530 functionality if TARGET_POWERPC64.
7531 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
7534 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
7536 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
7537 and term.h from fixinc.wrap.
7539 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7541 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
7542 safe to include both string.h and strings.h together.
7543 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
7544 which headers to search for function declarations. Continue to
7545 prefer string.h over strings.h when both are not acceptable.
7547 * acconfig.h (STRING_WITH_STRINGS): Add stub.
7549 * configure.in: Call GCC_HEADER_STRING.
7551 * system.h: Test STRING_WITH_STRINGS when deciding which headers
7552 to include. Continue to prefer string.h over strings.h when both
7555 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7557 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
7558 not assume top 32-bits of symbolic addresses are zero if
7561 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
7563 * ginclude/va-alpha.h: Protect entire second portion of the
7564 file against double inclusion.
7566 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
7568 Added support for the Boehm's garbage collector.
7569 * configure.in: Handle --enable-objc-gc.
7570 * configure: Rebuilt.
7571 * Makefile.in (CHECK_TARGETS): Add check-objc.
7572 (check-objc): New rule.
7573 * objc/Make-lang.in: Build a different Objective-C library that
7574 runs with the Boehm's collector.
7575 * objc/encoding.c (objc_round_acc_size_for_types): New function.
7576 * objc/encoding.c: Correctly compute the size of compound types in
7577 the presence of bitfields. Skip the variable name of the type if
7578 any. Added support for long long.
7579 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
7580 (_F_GCINVISIBLE): New mask.
7581 * objc/gc.c: New file. Compute the type memory mask associated with
7582 a class based on the runtime information.
7583 * objc/misc.c: Added the hooks that use the Boehm's collector
7584 allocation functions.
7585 * objc/objc-act.c (build_class_template): Generate a new class
7586 member (gc_object_type) to hold the class' type memory mask.
7587 (build_shared_structure_initializer): Initialize the new member to
7589 (encode_complete_bitfield): New function. Generate the new
7591 (encode_field_decl): Generate the new encoding only for the GNU
7593 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
7595 (class_get_gc_object_type): New function to mark a pointer instance
7596 variable as a weak pointer.
7597 * objc/objc-features.texi: New file.
7598 * objc/objc.h (gc_object_type): New class member.
7599 * objc/objects.c (class_create_instance): Create a typed memory
7600 object when compiled with Boehm's collector support.
7601 * objc/sendmsg.c (__objc_init_install_dtable): Call
7602 __objc_send_initialize instead of setting the initialize flag.
7603 (__objc_send_initialize): Call __objc_generate_gc_type_description
7604 to generate the class type memory mask. Rewrite the code that
7605 sends the +initialize so that it is called only once (bug report
7606 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
7607 * testsuite/objc: New testsuite for Objective-C type encoding.
7608 * testsuite/lib/objc-torture.exp: New file.
7609 * testsuite/lib/objc.exp: New file.
7611 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
7613 * jump.c (jump_optimize): In if/then/else transformations, add
7614 another call to modified_between_p for the jump insn.
7616 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
7618 * fix-header.c (symlink): Treat like readlink.
7620 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7622 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
7625 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
7627 * config/nextstep.h: Update HANDLE_PRAGMA macro.
7628 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
7629 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
7631 * config/nextstep.c (handle_pragma): Take three arguments, as per
7632 the new HANDLE_PRAGMA macro specification.
7633 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
7634 per the new HANDLE_PRAGMA macro specification.
7635 * config/i960/i960.c (process_pragma): Take three arguments, as
7636 per the new HANDLE_PRAGMA macro specification.
7638 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
7640 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
7641 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
7642 if unknown pragmas are encountered.
7643 (handle_sysv_pragma): Interpret return code from
7644 handle_pragma_token (). Return success/failure indication rather
7645 than next unprocessed character.
7646 (pragma_getc): New function: retrieves characters from the
7647 input stream. Defined when HANDLE_PRAGMA is enabled.
7648 (pragma_ungetc): New function: replaces characters back into the
7649 input stream. Defined when HANDLE_PRAGMA is enabled.
7651 * c-pragma.c (handle_pragma_token): Return success/failure status
7654 * c-pragma.h: Change prototype of handle_pragma_token().
7656 * varasm.c: (handle_pragma_weak): Only create this function if
7657 HANDLE_PRAGMA_WEAK is defined.
7659 * c-common,c (decl_attributes): If defined call the expression
7660 contained within the INSERT_ATTRIBUTES macro before adding
7661 attributes to a decl.
7663 * tm.texi (HANDLE_PRAGMA): Document the new verion of
7664 HANDLE_PRAGMA, which takes three arguments.
7665 (INSERT_ATTRIBUTES): Document this new macro.
7667 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
7668 new INSERT_ATTRIBUTES macro.
7670 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7672 * config/sparc/sparc.md (movdf): Only generate special RTL for
7673 LABEL_REFs when PIC.
7674 (move_label_di): Remove
7675 (movdi_pic_label_ref, movdi_high_pic_label_ref,
7676 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
7677 references when PIC.
7678 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
7679 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
7680 output an .xword for all 64-bit cases.
7682 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7684 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
7685 alignment, use FUNCTION_BOUNDARY instead.
7686 (sparc_output_deferred_case_vectors): Likewise.
7688 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7690 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
7691 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
7693 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
7695 * alpha/va_list.h: New file.
7696 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
7698 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
7700 * NEWS: Add SCO Openserver and Unixware 7 notes.
7704 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
7706 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
7707 (record_constant_1): Handle RANGE_EXPR.
7709 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
7711 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
7712 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
7713 and NOTE_INSN_RANGE_END specially.
7714 (reemit_notes): Likewise.
7716 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7718 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
7719 (ultrasparc_sched_init): Remove unneeded &.
7721 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7723 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
7724 for m68020-60, to prevent the use of fintrz.
7726 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
7728 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
7730 * Makefile.in: Likewise.
7731 * configure: Regenerated.
7733 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
7735 * configure.in (gxx_include_dir): Changed to
7736 '${prefix}/include/g++'-${libstdcxx_interface}.
7737 * configure: Rebuilt.
7739 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
7741 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
7743 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
7744 *sequences* *below* which scalar moves will be used.
7746 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
7748 * collect2.c (mktemp): Delete unused declaration.
7750 * config/xm-netbsd.h: Remove unnecessary file.
7751 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
7752 file anymore, it is not needed.
7754 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
7756 * convert.c (convert_to_integer): Issue an error on conversions to
7759 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
7761 * Makefile.in: Add lang_tree_files and gencheck.h.
7762 * configure.in: Generate them.
7763 * gencheck.c: Include gencheck.h.
7765 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7767 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
7768 movdi_lo_sum_pic and movdi_high_pic and make visible.
7769 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
7770 emit these when Pmode is not SImode.
7771 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
7773 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
7775 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
7776 .linkonce directive after the first time.
7778 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
7780 * m68k.md (beq0_di): Generate correct (and more efficient) code when
7781 the clobbered operand overlaps with an input.
7782 (bne0_di): Similarly.
7784 * Makefile.in (INSTALL): Remove "--no-header" argument.
7786 * NEWS: Various updates.
7788 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7790 * config/sparc/sparc.c (arith_operand, const64_operand,
7791 const64_high_operand, arith_double_4096_operand): Mark mode as
7793 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
7795 (sparc_emit_set_const64): Remove unused variable i.
7796 (sparc_splitdi_legitimate): Likewise for addr_part.
7797 (ultra_code_from_mask): Likewise for mask.
7798 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
7799 reverse return values so it matches usage and comments.
7800 (ultra_flush_pipeline): Likewise.
7801 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
7802 this_type, and allow loads and stores of differing FP modes as
7803 they do not create a conflict.
7804 (ultra_find_type): Initialize fpmode to SFmode, fix
7805 parenthesization thinkos in large conditional.
7806 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7807 Init free_slot_mask after ultra_cur_hist is reset, not before.
7808 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7809 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7810 use ultra_flush_pipeline instead, then re-init group pointer.
7811 Fix statement with no effect. If no progress made in, and no
7812 instructions scheduled at all, advance to new pipeline cycle else
7813 we get into an endless loop.
7814 (ultrasparc_adjust_cost): Remove previous arg.
7815 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7817 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7819 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7820 code. Use reg_overlap_mentioned_p to detect when source and
7821 destination overlap.
7822 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7824 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7826 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7827 COMPARISON_VAL, into invariant_p.
7829 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7831 * regmove.c (regclass_compatible_p): New function.
7832 (regmove_optimize): Use it.
7834 Use NREGS parameter insted of calling max_reg_num.
7836 (fixup_match_1): Don't use code = MINUS when later tieing with
7837 a hard register is likely.
7839 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7841 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7842 COMPARISON_VAL was normalized.
7844 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7846 * loop.c (check_dbra_loop): The loop ending comparison value
7847 must be an invariant or we can not reverse the loop.
7849 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7850 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7852 (load_mems_and_recount_loop_regs_set): Likewise.
7854 * i386.c (print_operand): Remove obsolete 'c' docs.
7856 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7858 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7859 * frame.c (init_object_mutex): New function.
7860 (init_object_mutex_once): Likewise.
7861 (find_fde): Call it.
7862 (__register_frame_info): Likewise.
7863 (__register_frame_info_table): Likewise.
7864 (__deregister_frame_info): Likewise.
7866 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7868 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7870 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7872 * loop.c (check_dbra_loop): Enable code for reversal
7873 of some loops without a known constant loop end.
7875 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7877 * haifa-sched.c (last_clock_var): New.
7878 (schedule_block): Initialize it.
7879 (schedule_insn): Use it to fill insn modes with issue information.
7881 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7882 Tag trapb and next insn with TImode.
7883 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7884 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7885 Invoke alphaev5_align_insns as appropriate.
7886 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7887 (MD_SCHED_VARIABLE_ISSUE): New.
7888 * alpha.md (attr type): Add multi.
7889 (define_asm_attributes): New.
7890 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7891 (arg_home): Likewise.
7892 (fnop, unop, realign): New.
7894 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7896 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7897 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7899 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7900 (rs6000-ibm-aix4.[12]*): Likewise.
7901 * configure: Regnerate.
7903 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7905 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7906 already contains the return address.
7908 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7910 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7911 word sized hunks when loading unaligned args into registers.
7913 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7914 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7916 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7918 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7920 * loop.c (check_dbra_loop): Add some code that would allow reversal
7921 of some loops without a known constant loop end if it were enabled.
7923 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7925 * mips.md (lshrsi3_internal2+2): Fix type-o.
7927 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7929 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7930 correctly with regards to stdio.h.
7932 * calls.c: Remove stdarg.h/varargs.h.
7935 * combine.c: Likewise.
7936 * cpperror.c: Likewise.
7937 * cpplib.c: Likewise.
7938 * cpplib.h: Likewise.
7939 * doprint.c: Likewise.
7940 * emit-rtl.c: Likewise.
7941 * final.c: Likewise.
7942 * fix-header.c: Likewise.
7944 * genattr.c: Likewise.
7945 * genattrtab.c: Likewise.
7946 * gencodes.c: Likewise.
7947 * genconfig.c: Likewise.
7948 * genemit.c: Likewise.
7949 * genextract.c: Likewise.
7950 * genflags.c: Likewise.
7951 * genopinit.c: Likewise.
7952 * genoutput.c: Likewise.
7953 * genpeep.c: Likewise.
7954 * genrecog.c: Likewise.
7955 * mips-tfile.c: Likewise.
7956 * prefix.c: Likewise.
7957 * protoize.c: Likewise.
7958 * regmove.c: Likewise.
7959 * toplev.c: Likewise.
7962 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7964 * config/sparc/sparc.c (sparc_override_options): If not
7965 TARGET_FPU, turn off TARGET_VIS.
7966 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7967 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7968 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7969 (movdi_insn_sp64): Add VIS fzero alternative.
7970 (clear_sf, clear_df): New VIS patterns.
7971 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7973 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7975 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7977 * loop.c (n_times_set, n_times_used, may_not_optimize,
7978 reg_single_usage): Convert to varrays. All uses changed.
7979 (insert_loop_mem): Return a value.
7980 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7981 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7984 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7987 * configure.in: Do not set thread_file to "irix" since no such
7990 * sparc.md (float abs/neg splits): Check reload_completed before
7991 calling alter_subreg.
7993 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7995 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7997 * config/sparc/sparc.h: Declare it.
7998 * config/sparc/sparc.md (float abs/neg splits): Use it.
7999 (all other splits): Handle SUBREGs properly where necessary.
8000 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
8002 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
8004 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
8005 an insn on the unfilled_slots_list that has no delay slots.
8006 (fill_eager_delay_slots): Similarly.
8008 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
8010 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
8011 as an ordinary operand.
8013 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
8015 * tree.c (valid_machine_attribute): Don't apply attributes to both
8018 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
8020 * reload.c (operands_match_p): Handle rtvecs.
8022 * i386.c (legitimate_pic_address_disp_p): New.
8023 (legitimate_address_p): Use it.
8024 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
8025 Handle constant pool symbols just like statics.
8026 (emit_pic_move): Use Pmode not SImode for clarity.
8027 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
8028 [UNSPEC]: New, handling what we killed above.
8029 [PLUS]: Detect and abort on invalid symbol arithmetic.
8030 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
8032 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
8034 * alias.c: Include output.h.
8035 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
8036 different if we're in a varargs function.
8037 * Makefile.in (alias.o): Depend on output.h
8039 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8041 * sh.h (GIV_SORT_CRITERION): Delete.
8043 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
8045 * regclass.c (regclass): Use xmalloc/free instead of alloca.
8046 * stupid.c (stupid_life_analysis): Ditto.
8047 * reload1.c (reload): Ditto.
8049 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8051 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
8052 arith_double_4096_operand, arith_double_add_operand): New
8054 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
8055 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
8056 them to transform add/sub 4096 into add/sub -4096.
8058 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8060 * loop.c (scan_loop): Allocate some slop to handle pseudos
8061 generated by move_movables.
8062 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
8065 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
8067 * tree.def (DECL_RESULT): Correct documentation.
8069 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8071 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
8072 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
8073 conflicts will all RELOAD_FOR_OUTPUT reloads.
8075 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
8076 loads the function result, substitute with a USE.
8078 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
8080 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
8081 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
8082 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
8083 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
8084 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
8085 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
8087 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
8088 'o' to 'm' for GPR variant constraints.
8090 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
8092 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
8094 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
8096 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
8097 when the source and destination overlap.
8099 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
8100 clash with global type.
8102 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
8104 * fixinc.irix: Add curses.h handling from fixinc.wrap.
8106 * c-common.c (combine_strings): Also set TREE_READONLY.
8107 Change warn_write_strings to flag_const_strings.
8108 * c-decl.c, c-tree.h: Likewise.
8110 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8112 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
8113 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
8114 sequence, use SET/IOR instead so CSE can see it.
8115 * config/sparc/sparc.md (movhi_const64_special,
8116 movsi_const64_special): New patterns necessitated by that change.
8117 (movhi_high): Remove.
8118 (movhi_lo_sum): Change to match an IOR.
8119 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
8120 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
8121 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
8122 (movdf splits): Allow when not V9 or when not ARCH64 and integer
8123 registers are involved.
8124 (snesi_zero_extend split): Remove reload_completed test.
8125 (unnamed plus and minus zero_extend sidi splits): Add it.
8127 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
8129 * extend.texi: Remove description of extension to explicit
8130 instantiation that is now endorsed by standard C++.
8132 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8134 * config/arc/arc.c (arc_initialize_pic): Remove.
8135 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
8136 nothing on any platform and is invoked by no-one, it does not even
8137 appear in the documentation.
8138 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
8139 * config/sparc/sparc.c (initialize_pic): Likewise.
8140 (find_addr_reg): Remove this as well, no longer referenced after
8143 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
8145 * recog.c (validate_replace_rtx_group): New function.
8146 * recog.h (validate_replace_rtx_group): Declare it.
8147 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
8148 the entire group of substitutions.
8150 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
8152 * loop.c (load_mems): Fix initializers.
8154 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8156 * config/sparc/sparc.md (TFmode splits): Handle destination
8157 registers being referenced in the address correctly.
8159 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
8160 TREE_UNSIGNED, when bitsize of type's mode is larger than
8161 HOST_BITS_PER_WIDE_INT.
8163 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8165 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
8166 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
8167 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
8169 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
8172 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
8174 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
8175 * h8300.h (TINY_DATA_NAME_P): Likewise.
8176 (STRIP_NAME_ENCODING): Handle '&'.
8178 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
8179 register (it could be accessed via an outer SUBREG).
8180 (REG_OK_FOR_BASE_P): Likewwise.
8181 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
8183 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
8186 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
8188 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8190 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
8191 must be offsettable so the splits can be made.
8193 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
8195 * config/i386/winnt.c: Include system.h, not stdio.h to get
8196 sys/param.h pulled in before rtl.h in case the system defines MIN
8199 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
8201 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
8203 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
8205 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
8207 * cpplib.c (cpp_define): Handle macros with parameters.
8209 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
8211 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
8212 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
8213 and DImode 64-bit. Use llong for minimal-toc SFmode and
8214 SYMBOL_REF / LABEL_REF 64-bit.
8215 (output_function_profiler): Use llong for profiler label and ld to
8216 load 64-bit label address.
8218 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
8220 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
8223 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
8225 * version.c: Bump for snapshot.
8227 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
8229 * version.c: Bump for snapshot.
8231 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
8233 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
8235 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
8237 * tm.texi (Misc): Fix typo "teh".
8239 * tm.texi (PIC): Fix typo "PPIC".
8241 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
8242 effect when -O2 and higher.
8243 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
8245 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
8247 * regclass.c: Changed register set documentation to be consistent
8250 * final.c (final_start_function) Removed redundant test for
8253 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
8255 * rtl.h (rtx_function): New type.
8256 (for_each_rtx): New function.
8257 * rtlanal.c (for_each_rtx): Define it.
8259 * recog.c (change_t): New type.
8260 (change_objects, change_old_codes, change_locs, change_olds):
8262 (changes): New variable.
8263 (validate_change): Dynamically allocate room for more changes, if
8264 necessary. Uses changes array instead of change_objects, etc.
8265 (apply_change_group): Use changes array instead of
8266 change_objects, etc.
8268 * loop.c (loop_mem_info): New type.
8269 (loop_mems): New variable.
8270 (loop_mems_idx): Likewise.
8271 (looop_mems_allocated): Likewise.
8272 (scan_loop): Remove nregs parameter.
8273 (next_insn_in_loop): New function.
8274 (load_mems_and_recount_loop_regs_set): Likewise.
8275 (load_mems): Likewise.
8276 (insert_loop_mem): Likewise.
8277 (replace_loop_mem): Likewise.
8278 (replace_label): Likewise.
8279 (INSN_IN_RANGE_P): New macro.
8280 (loop_optimize): Don't pass max_reg_num() to scan_loop.
8281 (scan_loop): Remove nregs parameter, compute it after any new
8282 registers are created by load_mems. Use INSN_IN_RANGE_P and
8283 next_insn_in_loop rather than expanding them inline. Call
8284 load_mems to load memory into pseudos, if appropriate.
8285 (prescan_loop): Figure out whether or not there are jumps from the
8286 loop to targets other than the label immediately following the
8287 loop. Call insert_loop_mem to notice all the MEMs used in the
8288 loop, if it could be safe to pull MEMs into REGs for the duration
8290 (strength_reduce): Use next_insn_in_loop. Tweak comments.
8292 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
8294 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
8296 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8298 * config/sparc/sparc.c (finalize_pic): Check for the correct
8299 nonlocal_goto_receiver UNSPEC number.
8300 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
8301 making note of this dependency existing in sparc.c
8302 (negtf2_notv9 split): Give NEG SFmode.
8303 (negsf2): Fix insn output string.
8305 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
8307 * c-common.c (decl_attributes): Issue an error if the argument
8308 to alias is not a string.
8310 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
8312 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
8313 pending memory flush list.
8315 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
8317 (try_combine): Allow combining insns with REG_LIBCALL notes.
8319 * expr.c (emit_block_move): Do not call memcpy as a libcall
8320 instead build up a CALL_EXPR and call it like any other
8322 (clear_storage): Similarly for memset.
8324 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
8327 * Makefile.in (cplus-dem.o): Provide explicit rules for building
8330 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
8331 and REG_LIVE_LENGTH as successful substitutions are made.
8333 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8335 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
8336 statement after end of loop label.
8338 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8340 * config/sparc/sparc.c (ultra_types_avail): New variable.
8341 (ultra_build_types_avail): New function to record mask of insn
8342 types in ready list at this cycle.
8343 (ultrasparc_sched_reorder): Call it.
8344 (ultra_find_type): Use it to quicken the search. Also simplif
8345 dependency check, don't use rtx_equal_p because we know exactly
8346 what we are looking for.
8348 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
8350 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
8351 for architecture v4.
8353 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8355 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
8357 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
8358 movdf_const_intreg and helper splits): New patterns to move float
8359 constants into integer registers.
8360 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
8363 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
8366 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
8368 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
8370 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
8371 a BASE_REGS register is needed as an intermediate when copying
8372 a symbolic value into any register class other than BASE_REGS.
8374 * expr.c (move_by_pieces): No longer static. Remove prototype.
8375 * rtl.h (move_by_pieces): Add extern prototype.
8376 * mips.c (expand_block_move): Handle aligned straight line copy by
8377 calling move_by_pieces.
8379 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
8382 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
8384 * stmt.c (expand_end_loop): Tidy. Allow unconditional
8385 jumps out of the loop to be treated as part of the exit test.
8387 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8388 Jeff Law <law@cygnus.com>
8390 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
8391 * cplus-dem.c: Delete.
8393 * Makefile.in (fold-const.o): depend on $(RTL_H).
8395 * fold-const.c: Include rtl.h to get the prototype for
8396 `set_identifier_local_value'.
8398 * loop.c (express_from_1): Remove unused variable `tmp'.
8399 (combine_givs): cast the first argument of bzero to char *.
8401 * toplev.c (display_help): Remove unused variable `looking_for_start'.
8403 * c-decl.c (init_decl_processing): Remove unneeded &.
8405 * alpha.h (alpha_initialize_trampoline): Provide prototype.
8407 * except.c (set_exception_lang_code, set_exception_version_code):
8408 Change parameter from `short' to `int' to avoid using a gcc
8411 * except.h (set_exception_lang_code, set_exception_version_code):
8412 Likewise for prototypes.
8414 * flow.c (count_reg_references): Remove unused variables `regno'
8417 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
8419 * prefix.c (translate_name): Cast the result of `alloca'.
8421 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
8423 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8425 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
8427 (valid_dbcc_comparison_p): Mark mode argument as unused.
8428 (symbolic_operand): Likewise.
8429 (legitimize_pic_address): Likewise.
8430 (const_uint32_operand): Likewise.
8431 (const_sint32_operand): Likewise.
8432 * sched.c [!INSN_SCHEDULING]: Define only dummy function
8433 schedule_insns and comment out rest of file.
8435 * m68k.c (output_move_simode_const): Use subl to move a zero into an
8437 (output_move_[hq]imode): Likewise.
8439 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
8441 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
8442 * invoke.texi: Corresponding changes.
8444 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
8446 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
8448 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8450 * config/sparc/sparc.c (ultra_code_from_mask,
8451 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
8452 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
8453 ultrasparc_sched_init, ultrasparc_variable_issue,
8454 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
8455 functions to describe UltraSPARC pipeline exactly to Haifa.
8456 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
8457 as there is nothing the scheduler can do about it. Indicate that
8458 REG_DEP_OUTPUT's collide. Fixup formatting.
8459 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
8460 divide costs on Ultra for DImode.
8461 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
8463 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
8464 ieuN and add call_no_delay_slot to type list.
8465 (cti function unit): New unit for branches on UltraSPARC.
8466 (subx/addx insns): Set type to misc.
8467 (sidi zero/sign extension insns on arch64): Set type to shift.
8468 (sign_extendhidi2_insn): Set type to sload.
8470 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
8472 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
8473 (output_epilog): Use if != 0 for offset.
8474 (rs6000_fatal_bad_address): Prepare for Intl.
8475 * rs6000.h (rs6000_fatal_bad_address): Declare.
8476 * rs6000.md (movsfcc, movdfcc): Use else if.
8477 (elf_high): Use {liu|lis}.
8478 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
8479 (movsi): Use rs6000_fatal_bad_address.
8481 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
8483 * reload.c (find_equiv_reg): Reject equivalences separated
8484 by a volatile instruction.
8486 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8488 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
8490 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
8492 * alpha.md (movsicc): Fix mode mismatch.
8494 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
8496 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
8498 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
8500 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8502 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
8503 write-only modifier from operand 1 constraint.
8505 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8507 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
8508 emitting a XOR of -1 at the end, emit a NOT instead for combine's
8510 (sparc_emit_set_const64): Likewise, also when computing trailing
8511 bits do not negate low_bits and make fast_int an int.
8513 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
8515 * loop.c (add_label_notes): Do not ignore references to labels
8516 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
8517 * gcse.c (add_label_notes): Similarly.
8519 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
8521 * m68k.md (adddi_dilshr32): One of the operands must be a register.
8522 (adddi_dishl32): Similarly.
8524 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
8526 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
8527 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
8528 * cse.c (cse_basic_block): Add parens to shut up warnings.
8530 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8532 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
8533 sparc_emit_set_const64_longway, const64_is_2insns,
8534 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
8535 in 64-bit constant formation.
8536 * config/sparc/sparc.md (snesi_zero_extend split): Generate
8537 rtl for addx not subx.
8538 (define_insn movdi_const64_special): Make available even when
8539 HOST_BITS_PER_WIDE_INT is not 64.
8540 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
8541 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
8542 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
8543 instances of operand 1 inside a QI subreg.
8544 (xordi3_sp64_dbl): Remove '%' constraint for op1.
8545 (one_cmpldi2_sp64): Fix output string.
8546 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
8548 (unnamed arch64 ashift DI): Truncate shift count if greater than
8551 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8553 * expr.c (store_expr): Don't optimize away load-store pair
8554 when either source or destination have a side effect.
8556 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
8558 * genrecog.c (add_to_sequence): Fatal error if the modes of the
8559 operands of SET are incompatible.
8561 * alpha.md: Fix max and min patterns so modes of SET operands match.
8563 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
8565 * configure.in: Avoid [[ by using test and changequote.
8566 * configure: Rebuild.
8568 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8570 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
8572 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
8573 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
8574 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
8575 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
8576 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
8577 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
8578 Fix mismatching modes in SET operands.
8579 (conditional move patterns): Fix formatting.
8580 (unnamed subx arch64 pattern): Remove duplicate insn.
8582 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8584 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8585 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
8586 (input_operand): Fixup test for what we accept for constant
8588 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
8590 (safe_constDI): Remove.
8591 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
8592 gen_safe_XOR64): New functions.
8593 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
8594 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
8596 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
8597 available when HOST_BITS_PER_WIDE_INT is not 64.
8598 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
8599 move before movdi_insn_sp64 pattern.
8600 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
8601 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
8602 symbolic_operand as predicate for second operand.
8603 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
8604 expander): Give set VOIDmode.
8606 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
8608 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
8610 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
8612 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
8614 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
8616 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
8618 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
8620 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
8622 * install.texi: Various SCO OpenServer tweaks.
8624 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
8626 * reload1.c (eliminate_regs_in_insn): Handle another case when
8627 eliminating the frame pointer to the hard frame pointer. Add
8628 missing ep->to_rtx check to one existing case.
8630 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
8632 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
8634 * tree.h: De-conditionalize init_priority code.
8636 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
8637 * collect2.c (NM_FLAGS): Change from -p to -n.
8639 * configure.in: Turn on collect2 for mipstx39-elf.
8640 Handle use_collect2=no properly.
8642 * c-common.c: De-conditionalize init_priority code.
8643 * collect2.c (extract_init_priority, sort_ids): New fns.
8644 (main): Call sort_ids.
8645 Move sequence_number to file scope.
8647 * configure.in: Handle --enable-init-priority.
8648 * c-common.c (attrs): Add A_INIT_PRIORITY.
8649 (init_attributes, decl_attributes): Likewise.
8650 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
8651 * tree.c (get_file_function_name_long): Split out...
8652 (get_file_function_name): ...from here.
8654 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
8656 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
8659 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
8661 * toplev.c (display_help): Add braces to shut up warnings.
8662 * tree.c (simple_cst_equal): Likewise.
8664 * fold-const.c (non_lvalue): Don't deal with null pointer
8666 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8668 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
8669 of any size to a pointer.
8671 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
8673 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
8675 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
8677 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
8678 which will be saved.
8679 * mn10300.md (prologue insn): Only save registers which need saving.
8680 (epilogue insn): Similarly.
8682 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
8685 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
8687 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
8688 VAR_DECL's in gp addressable sections.
8690 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
8692 * sparc.c: Change return <exp> to <exp>; return; in functions
8694 * sparc.md: Add empty semicolon statement after final label in
8697 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8699 * config/sparc/sparc.md (define_insn addx_extend): Rename to
8700 addx_extend_sp64, only allow when TARGET_ARCH64.
8701 (define_insn addx_extend_sp32 and split): Version that works when
8703 (define_insn subx_extend): Likewise.
8704 (define_split adddi3 and subdi3 with zero extension): Fixup and
8705 correct bugs when not TARGET_ARCH64.
8707 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
8709 * except.c (set_exception_lang_code, set_exception_version_code):
8710 Use prototype-style definition if __STDC__, to match declaration
8713 * genemit.c: Change FAIL and DONE macros not to use loops.
8715 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
8717 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
8718 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
8720 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
8722 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
8724 * README.g77: Update from Craig.
8726 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8728 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
8730 (safe_constDI sparc_emit_set_const64_quick1,
8731 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8732 analyze_64bit_constant, const64_is_2insns,
8733 create_simple_focus_bits): Fix some bugs when compiled on real
8735 (function_arg_record_value_3, function_arg_record_value_2,
8736 function_arg_record_value): Add fully prototyped forward decls.
8737 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
8738 to cmpsi_insn and use on both 64 and 32 bit targets.
8739 (define_insn cmpsi_insn_sp64): Remove.
8740 (define_expand zero_extendsidi2): Allow for 32-bit target too.
8741 (define_insn zero_extendsidi2_insn): Rename to
8742 zero_extendsidi2_insn_sp64.
8743 (define_insn zero_extendsidi2_insn_sp32): New pattern and
8744 assosciated forced split for it.
8746 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8748 * config/sparc/sparc.h: Declare them.
8749 (PREDICATE_CODES): Add them.
8750 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
8751 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
8753 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
8755 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
8756 in v9 case as the latter makes the Solaris assembler crash.
8758 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8760 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
8761 for TFmode when !v9. We require offsettable memory addresses.
8762 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
8763 DFmode register number conversions.
8764 * config/sparc/sparc.md (define_split DFmode moves): If register
8765 is a SUBREG do alter_subreg on it before using.
8766 (define_expand movtf): Fixup comment about alignment on v9.
8767 (define_split TFmode moves): Don't use gen_{high,low}part, create
8768 explicit SUBREGs instead.
8770 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
8772 * Makefile.in (mbchar.o): Depend on mbchar.c.
8774 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8775 Richard Henderson <rth@cygnus.com>
8777 Rewrite Sparc backend for better code generation and
8778 improved sparc64 support.
8779 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
8781 * config/sparc/sysv4.h: Likewise.
8782 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
8783 move_operand, v8plus_regcmp_op, emit_move_sequence,
8784 singlemove_string, doublemove_string, mem_aligned_8,
8785 output_move_double, output_move_quad, output_fp_move_double,
8786 move_quad_direction, output_fp_move_quad, output_scc_insn):
8788 (small_int_or_double): New predicate.
8789 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
8790 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
8791 old pic_{sethi,lo_sum}_si patterns.
8792 (mem_min_alignment): New generic function to replace
8793 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
8794 available and can test for arbitrary alignments. All callers
8796 (save_regs, restore_regs, build_big_number,
8797 output_function_prologue, output_cbranch, output_return,
8798 sparc_flat_save_restore, sparc_flat_output_function_prologue,
8799 sparc_flat_output_function_epilogue): Prettify
8801 (output_function_epilogue): Likewise and add code to output
8802 deferred case vectors.
8803 (output_v9branch): Likewise, add new arg INSN and use it to tack
8804 on branch prediction settings. All callers changed.
8805 (print_operand): Likewise and output %l44 for LO_SUMs when
8807 (sparc_splitdi_legitimate): New function to make sure DImode
8808 splits can be run properly when !arch64.
8809 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8810 Reformat example code in comments.
8811 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8812 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8813 of deferred case vectors we need to output.
8814 (sparc_defer_case_vector): Record a case vector.
8815 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8816 sparc_output_deferred_case_vectors): New functions to output them.
8817 (sparc_emit_set_const32): New function to form 32-bit constants in
8818 registers when that requires more than one instruction.
8819 (safe_constDI, sparc_emit_set_const64_quick1,
8820 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8821 analyze_64bit_constant, const64_is_2insns,
8822 create_simple_focus_bits, sparc_emit_set_const64): New functions
8823 which do the same for 64-bit constants when arch64.
8824 (sparc_emit_set_symbolic_const64): New function to emit address
8825 loading for all code models on v9.
8826 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8827 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8828 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8829 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8830 inaccuracies in comments, add symbolic and text_segment operands
8831 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8832 GENERAL_REGS in these cases as a temp REG is needed to load these
8833 addresses into a register properly.
8834 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8836 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8837 quads are guarenteed to have 16-byte alignment.
8838 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8839 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8840 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8841 deferred case vector implementation.
8842 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8843 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8844 Generate "internal label - label" instead of "label - 1b".
8845 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8846 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8847 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8849 (doublemove_string, output_block_move, output_fp_move_double,
8850 output_fp_move_quad, output_move_double, output_move_quad,
8851 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8852 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8853 (sparc_emit_set_const32, sparc_emit_set_const64,
8854 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8855 mem_min_alignment, small_int_or_double): Add externs.
8856 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8857 UNSPEC_VOLATILE in this backend.
8858 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8859 unary to types which execute in it.
8860 (define_function_unit ieu_shift): Rename to ieu0.
8861 (define_function_unit ieu1): New, executes compare, call, and
8862 uncond_branch type insns.
8863 (define_function_units for type fdivs, fdivd, fsqrt): These
8864 execute in the fpu multiply unit not the adder on UltraSparc.
8865 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8866 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8867 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8868 allows the arith_double_operand predicate and rHI constraint when
8870 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8871 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8872 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8873 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8874 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8875 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8876 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8877 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8878 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8879 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8880 sign_extendqihi2_insn, sign_extendqisi2_insn,
8881 sign_extendqidi2_insn, sign_extendhidi2_insn,
8882 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8883 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8884 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8885 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8886 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8887 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8888 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8889 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8890 smulsi3_highpart_v8plus, unnamed subreg mult,
8891 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8892 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8893 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8894 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8895 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8896 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8897 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8898 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8899 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8900 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8901 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8902 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8903 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8904 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8905 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8906 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8907 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8908 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8909 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8910 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8911 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8912 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8913 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8914 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8915 call_address_untyped_struct_value_sp32,
8916 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8917 call_value_symbolic_sp32, call_value_address_sp64,
8918 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8919 flush_register_windows, goto_handler_and_restore,
8920 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8921 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8922 return_addsi, return_di, return_adddi, return_sf, all call+jump
8923 peepholes, trap, unnamed trap insns): Prettify output strings.
8924 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8925 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8926 Likewise and force + implement splits for integer cases.
8927 (define_insn return_sf_no_fpu): Likewise and allow to match when
8928 no-fpu because of our subreg SFmode splits.
8929 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8930 zero_extendqidi2_insn, zero_extendhidi2_insn,
8931 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8932 input_operand for second operand.
8933 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8934 reg_or_0_operand for operand 2 so new splits can use it.
8935 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8936 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8938 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8939 CONST_DOUBLEs for operand 2.
8940 (define_insn move_label_di): Likewise and label distance
8941 optimization because it no longer works with new deferred case
8942 vector scheme. To be revisited.
8943 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8944 and allow reg_or_0_operand and J constraint for second operand.
8945 (define_insn jump): Set branch predict taken on V9.
8946 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8947 new deferred case vector scheme.
8948 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8949 (define_insn negdi2_sp32): Force + implement splits.
8950 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8951 one_cmplsi2_not_liveg0 respectively, and create expander of original
8952 names which emit special rtl for TARGET_LIVE_G0.
8953 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8954 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8955 gen_compare_reg, FAIL instead.
8956 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8957 values when trying to reverse condition codes, if they FAIL then
8959 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8960 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8961 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8962 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8963 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8964 set output string to # to indicate they are mandatory splits.
8965 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8966 pic_sethi_di, move_pic_label_si): Remove.
8967 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8968 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8970 (define_expand movsi_pic_label_ref, define_insn
8971 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8972 expander and insns to handle PIC label references and deferred
8974 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8976 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8977 Rewrite to not use emit_move_sequence, make use of new constant
8978 formation code, and new splits for all multi-insn cases.
8979 (define_insn movqi_insn): Remove sethi case, it can never happen.
8980 Use reg_or_zero_operand instead of const0_rtx explicit test,
8981 use input_operand instead of move_operand for source, and use
8982 general_operand now for dest.
8983 (define_insn movhi_insn): Similar but leave sethi case.
8984 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8985 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8986 movhi_lo_sum respectively, prettify output string.
8987 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8988 register when needed on TARGET_LIVE_G0.
8989 (define_insn movsi_insn): Use general_operand and input_operand
8990 for dest and src respectively. Simplify applicability test.
8991 Prettify output strings, and add clr alternative for J
8993 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8994 deprecated std and reg-reg DI moves): Remove and...
8995 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8996 implementation which uses forced splits for all non-single insn
8998 (define_split DI move cases on !arch64): New splits to handle all
8999 situations of 64-bit double register DImode on 32bit, and
9000 unaligned registers and memory addresses for all subtargets.
9001 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
9003 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
9004 input_operand for dest and src respectively, prettify output
9006 (define_insn movdf_insn, movdf_no_e_insn, store_df,
9007 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
9009 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
9010 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
9011 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
9012 movtf_no_e_insn_sp64) Replace with new
9013 implementation which uses forced splits for all non-single insn
9015 (define_split DF move cases): New splits in similar vein to DI
9017 (define_insn sethi_di_medlow, sethi_di_medium_pic,
9018 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
9019 movdi_sp64_insn): Remove old v9 code model and constant loading
9021 (define_insn pic_lo_sum_di, pic_sethi_di,
9022 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
9023 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
9024 embmedany_sethi, embmedany_losum, embmedany_brsum,
9025 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
9026 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
9027 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
9028 scheme, using unspecs, secondary reloads, and one to one sparc
9029 insn to rtl insn mapping for better scheduling and code gen.
9030 (define_expand reload_indi, reload_outdi): Reload helpers for
9031 MEDANY and EMBMEDANY symbol address loading cases which require a
9033 (define_expand movsicc): Remove v8plus_regcmp cases.
9034 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
9035 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
9036 cmp_diqi_trunc_set): New patterns used by some of the new scc
9038 (define_insn xordi3_sp64_dbl): New pattern used for constant
9039 formation when crossing from 32-bit targets.
9040 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
9042 (define_insn addx, subx): Make visible and prettify.
9043 (define_insn adddi3_insn_sp32): Likewise and force split.
9044 (define_insn addx_extend, subx_extend, unnamed): New patterns for
9045 64bit scc split usage.
9046 (define_insn unnamed plusDI zero_extend, unnamed minusDI
9047 zero_extend, subdi3): Force and implement splits.
9049 * final.c (final_scan_insn): Don't output labels if target
9050 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
9053 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
9054 don't forget to walk inside SEQUENCESs too as these are what the
9055 delay slot scheduler will create.
9057 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
9059 * alpha.md (extxl+1,+2): New patterns to work around
9062 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
9064 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
9065 caused bad assembly code to be generated.
9067 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
9069 * netbsd.h: Fix typo.
9071 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
9073 * config.sub: Fix typo.
9075 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
9077 * invoke.texi (Environment Variables): Typo: Change "ascpects"
9079 (Running Protoize): Typo: Change "ther" into "other".
9081 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
9083 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
9084 * m68k/netbsd.h: Likewise.
9085 * ns32k/netbsd.h: Likewise.
9086 * sparc/netbsd.h: Likewise.
9088 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
9090 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
9091 * ginclude/va-clipper.h (va_list): Likewise.
9093 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
9095 * rs6000.c (rs6000_override_options): If big endian and -Os, use
9096 load/store multiple instructions unless user overrides.
9098 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
9100 * ns32k/netbsd.h: Fix typo.
9102 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
9104 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
9105 labels with .debugsym if no parallel insns.
9107 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
9109 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
9110 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
9112 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
9114 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
9115 (AR_FOR_TARGET): Define.
9117 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
9119 * dyn-string.h: New file.
9120 * dyn-string.c: Likewise.
9121 * Makefile.in (OBJS): Add dyn-string.o.
9122 (dwarf2out.o): Add dyn-string.h dependency.
9123 (dyn-string.o): List dependencies.
9124 * dwarf2out.c: Include dyn-string.h.
9125 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
9126 (addr_const_to_string): Take a dyn_string_t, not a char* as a
9127 prototype. Use dyn_string_append rather than strcat, throughout.
9128 (addr_to_string): Use dyn_string_t.
9130 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
9132 Function entry/exit profiling instrumentation:
9133 * expr.h (profile_function_entry_libfunc,
9134 profile_function_exit_libfunc): Declare new variables.
9135 * optabs.c: Define them here.
9136 (init_optabs): Initialize them.
9137 * tree.h (struct tree_decl): New flag
9138 no_instrument_function_entry_exit.
9139 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
9140 * c-decl.c (duplicate_decls): Merge it.
9141 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
9142 (init_attributes): Use it for "no_instrument_function".
9143 (decl_attributes): Handle it, for functions that have not yet been
9144 compiled. Set decl flag.
9145 * flags.h (flag_instrument_function_entry_exit): Declare new
9147 * toplev.c (flag_instrument_function_entry_exit): Define it here.
9148 (f_options): New option "instrument-functions".
9149 * function.h (struct function): New field instrument_entry_exit.
9150 * function.c (current_function_instrument_entry_exit): New
9152 (push_function_context_to, pop_function_context_from): Save and
9154 (expand_function_start): Set current_ variable, maybe emit return
9155 label and entry profile call.
9156 (expand_function_end): Maybe emit exit profile call.
9158 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
9160 * i386.md (movqi): When optimizing a load of (const_int 1) into a
9161 NON_QI_REG_P, pretend the register is SImode.
9163 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
9165 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
9166 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
9167 manufacturer id for ns32k.
9168 * configure: Regenerated.
9169 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
9170 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
9171 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
9172 * config/m68k/netbsd.h: Same.
9173 * config/ns32k/netbsd.h: Same.
9174 * config/sparc/netbsd.h: Same.
9176 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
9178 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
9179 or UNROLL_COMPLETELY loop that starts with a jump to its
9182 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
9184 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
9185 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
9186 (print_operand, case 'B'): Don't fall through.
9187 (print_operand, case 'S'): Correct mask begin/end computation.
9188 Use HOST_BITS_PER_WIDE_INT.
9189 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
9190 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
9191 * rs6000/aix41.h (CPP_PREDEFINES): Same.
9192 * rs6000/aix43.h (CPP_PREDEFINES): Same.
9194 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
9196 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
9197 constraint from second alternative.
9199 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
9201 * configure.in: Fix --without/--disable cases for local-prefix,
9202 gxx-include-dir and checking.
9204 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9206 * configure.in (enable_haifa): Set by default for sparc64 too.
9209 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
9211 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
9212 * i386/winnt.c (associated_type): New fn.
9213 (i386_pe_valid_type_attribute_p): New fn.
9214 (i386_pe_check_vtable_importexport): Remove.
9215 (i386_pe_dllexport_p): Use associated_type.
9216 (i386_pe_dllimport_p): Likewise.
9218 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
9219 * i386.c (i386_valid_type_attribute_p): Also accept
9220 attributes for METHOD_TYPEs.
9222 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
9224 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
9226 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
9228 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
9230 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
9231 them from generating a new base name for each occurence of
9234 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
9236 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
9238 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
9242 * cplus-dem.c (type_kind_t): New type.
9243 (demangle_template_value_parm): Add type_kind_t parameter. Rely
9244 on this paramter, rather than demangling the type again.
9245 (demangle_integral_value): Pass tk_integral.
9246 (demangle_template_: Pass the value returned from do_type.
9247 (do_type): Return a type_kind_t. Pass tk_integral to
9248 demangle_template_value_parm for array bounds.
9249 (demangle_fund_type): Likewise.
9251 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
9253 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
9256 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
9258 * pa.c (move_operand): Accept CONSTANT_P_RTX.
9260 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
9262 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
9264 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
9267 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
9269 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
9270 (DEBUGGER_ARG_OFFSET): Likewise.
9272 * mn10300.md (movsf): Remove last change. Not needed.
9274 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
9276 * c-lex.c (yylex): Fix boundary conditions in character literal and
9277 string literal loops.
9279 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
9281 * longlong.h (count_leading_zeros): Sparclite scan instruction was
9282 being invoked incorrectly.
9284 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
9285 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
9287 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
9288 * configure.in: Added i[34567]86-*-win32
9289 * config.sub: Ditto.
9290 * configure: Rebuilt.
9292 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
9294 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
9295 the frame pointer and compiling PIC code and reload has not completed.
9297 * i386.c (output_to_reg): Add code to emulate non-popping DImode
9300 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
9302 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
9304 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9306 * Makefile.in (install-info): Only try to update the info
9307 directory file if it exists in the first place.
9309 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
9311 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
9313 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
9315 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
9316 CONST_DOUBLE source.
9318 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
9320 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
9321 strings as the insertion of USER_LABEL_PREFIX.
9322 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
9324 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
9327 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
9329 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
9330 already defined type.
9332 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
9334 * expr.c (check_max_integer_computation_mode): Allow conversions
9335 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
9336 (expand_expr): Likewise.
9338 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9340 * expr.c (expand_expr): Expand RETURN_EXPR.
9342 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
9344 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
9346 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
9348 * dwarf2out.c (output_aranges): Call stripattributes
9349 for TEXT_SECTION references.
9350 (output_line_info): Likewise.
9352 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9354 * profile.c (branch_prob): Call allocate_reg_info after outputting
9355 profile rtl in instrument_arcs.
9357 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
9359 * fixinc.irix (math.h): Install wrapper instead of copying.
9361 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9363 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
9364 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
9365 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
9366 lang_flag_0. Added documentation in the flag table.
9368 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
9370 * cccp.c (do_include): Fix vax c style include handling.
9372 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
9374 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
9376 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
9378 * fold-const.c (non_lvalue): Don't deal with null pointer
9380 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
9382 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
9384 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
9385 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
9386 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
9387 (u_short_cint_operand): Same.
9388 (reg_or_cint_operand): Same.
9389 (logical_operand): Same.
9390 (input_operand): Same.
9391 (reg_or_short_operand): Use u_short_cint_operand.
9393 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
9395 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
9396 but keep the insns and splits. Adjust so when the ultimate destination
9397 is memory, use cvtql.
9399 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
9401 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
9403 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
9405 * gcc.c (do_spec): Call "error" not "warning".
9407 * configure.in: Fix minor problems with gas feature detection code.
9408 * configure: Rebuilt.
9410 * gcc.c (do_spec): Issue a warning for '%[]' usage.
9413 * gcc.c: Delete %[spec] support.
9414 (do_spec_1, case '('): Likewise.
9415 (do_spec_1, case '['): Call error.
9417 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
9419 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
9420 (CPP_SUBTARGET_SPEC): Default to empty string.
9421 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
9422 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
9423 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
9424 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
9426 * alpha/linux.h (CPP_PREDEFINES): Tidy.
9427 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
9428 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
9429 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
9430 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
9431 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
9432 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
9433 * alpha/vxworks.h: Likewise.
9435 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
9437 * mips.md (reload_outsi): Added missing REGNO call.
9438 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
9440 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
9441 another match_operator and compare the codes.
9443 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
9445 * MIPS multiply pattern fixes:
9446 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9447 Add union classes for HI, LO, or HILO plus general registers.
9448 (GENERATE_MADD): Deleted.
9449 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
9450 Add TARGET_MAD to condition.
9451 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
9452 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
9453 "*d" for accumulator, to give preference to LO initially but not
9456 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
9458 * configure.in (enable_c_mbchar): New configure option.
9459 (extra_cpp_objs): Always available now.
9461 * cexp.y (mbchar.h): #include it.
9462 (yylex): Handle Multibyte characters in character literals.
9464 * cccp.c (mbchar.h): #include it.
9465 (main): Set character set based on LANG environment variable.
9466 (rescan): Handle multibyte characters in comments.
9467 (skip_if_group): See above.
9468 (validate_else): See above.
9469 (skip_to_end_of_comment): See above.
9470 (macarg1): See above.
9471 (discard_comments): See above.
9472 (rescan): Handle multibyte characters in string and character literals.
9473 (collect_expansion): See above.
9474 (skip_quoted_string): See above.
9475 (macroexpand): See above.
9476 (macarg1): See above.
9477 (discard_comments): See above.
9478 (change_newlines): See above.
9480 * c-lex.c (mbchar.h): #include it.
9481 (GET_ENVIRONMENT): New macro.
9482 (init_lex): Set character set based on LANG environment variable.
9483 (yylex): Handle multibyte characters in character literals.
9484 (yylex): Handle multibyte characters in string literals.
9486 * Makefile.in (mbchar.o): New target.
9487 (cccp$(exeext)): @extra_cpp_objs@ is always available.
9488 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
9490 * mbchar.[ch]: New files for multibyte character handling.
9492 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9494 * jump.c (jump_optimize): When simplifying noop moves and
9495 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
9496 the PUSHes to rewrite in second loop as we did in the first.
9498 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9500 * cplus-dem.c (demangle_nested_args): Make function definition
9501 static to match the prototype.
9503 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
9505 * alloca.c: Respect USE_C_ALLOCA.
9506 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
9507 * gengenrtl.c (xmalloc): Likewise.
9509 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
9511 * loop.h (struct induction): Add no_const_addval.
9512 * loop.c (the_movables, reg_address_cost): New variables.
9513 (init_loop): Init reg_address_cost.
9514 (loop_optimize): Call end_alias_analysis.
9515 (scan_loop): Init the_movables.
9516 (record_giv): Init induction->no_const_addval.
9517 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
9518 [REG]: Rearrange loop search test to catch more cases.
9519 (general_induction_var): Return success not benefit; take an extra
9520 argument for that. Change all callers.
9521 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
9522 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
9523 [default]: Search the_movables for additional combinations.
9524 (sge_plus_constant, sge_plus): New functions.
9525 (express_from_1): New function.
9526 (express_from): Always define. Rewrite using express_from_1.
9527 (combine_givs_p): Handle more cases. Ignore address cost.
9528 (cmp_combine_givs_stats): New function.
9529 (combine_givs_used_once, combine_givs_benefit_from): New functions.
9530 (combine_givs): Rewrite to do best-fit combination.
9532 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
9533 (fold): Do a complete (A*C)+(B*C) association check.
9535 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
9537 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
9539 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
9541 * mn10300.c (MODES_TIEABLE_P): Fix typo.
9543 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
9545 * tree.c (valid_machine_attribute): Only create a new type variant if
9546 there is a decl to use it.
9548 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
9550 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
9553 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
9555 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
9558 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
9560 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
9561 Simplify tests for clearing an address register.
9562 (expand_prologue): Corresponding changes.
9564 * mn10300.md (movXX patterns): Make sure the destination is an
9565 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
9566 (logical patterns): Split into expanders + patterns
9567 (zero and sign extension patterns): Similarly.
9568 (shift patterns): Similarly.
9570 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
9572 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
9573 for the sequence, recording base values.
9575 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
9577 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
9579 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
9581 * gcc.c: Remove ANSI-C ism from --help code.
9583 * toplev.c: Support --help with USE_CPPLIB.
9585 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
9587 * configure.in: Rework gas feature code to work with symlink based
9590 * extend.texi: Clarify some issues related to local variables
9591 assigned to explicit registers.
9593 * mn10300.md (mulsi): Turn into expander + pattern.
9595 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
9598 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
9600 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
9602 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
9604 * version.c: Bump again to distinguish mainline tree from the
9607 See ChangeLog.0 for earlier changes.
9610 add-log-time-format: current-time-string