| blob | 6637b38fd90be19a9aa378673d9ccd58e3f7650e |
1 2001-05-18 Stan Shebs <shebs@apple.com>
3 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
4 * configure: Regenerate.
6 2001-05-18 Per Bothner <per@bothner.com>
8 Changes needed for java/jvspec.c
9 * gcc.h (n_infiles, outfiles): Add declarations.
10 * gcc.c (n_infiles, outfiles): Mske no longer static.
12 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
14 * config/pa/som.h (EXCEPTION_SECTION): Define.
16 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
18 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
19 list.
20 Add have_location_lists, a variable to determine whether we need a
21 .debug_loc section or not.
22 (enum dw_val_class): Add dw_val_class_loc_list.
23 (dw_val_struct): Add val_loc_list.
24 (dw_loc_list_struct): New structure, represents location lists.
25 (new_loc_list): New function, return a new location list, given
26 the range and location expression.
27 (add_loc_descr_to_loc_list): New function, add a location
28 expression to a location list, given the expression and range.
29 (output_loc_list): New function, output a location list.
30 (gen_internal_sym): Modified to take symbol prefix, so we can
31 reuse it for location list symbols.
32 (add_AT_loc_list): New function, add a location list to a DIE at
33 the named attribute.
34 (AT_loc_list): New function, return the location list reference
35 for a given attribute, if it's a location list.
36 (print_die): Handle dw_val_class_loc_list.
37 (size_of_die): Ditto.
38 (value_format): Ditto.
39 (output_die): Ditto.
40 (output_location_lists): New function, output all of the location
41 lists for a DIE and it's children.
42 (dwarf2out_finish): Call output_location_lists if we have location
43 lists.
46 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
48 * gcse.c (try_replace_reg): First try global replace, later try to
49 simplify the expression.
51 * gcse.c (find_used_regs): Change calling convention; work via
52 note_uses.
53 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
55 2001-05-18 Bernd Schmidt <bernds@redhat.com>
57 Revert
58 2001-02-09 Nick Clifton <nickc@redhat.com>
59 * config/arm/arm.md: Change output constraint on post inc
60 load/store multiple patterns to be a read/write constraint.
62 2001-05-18 Mark Mitchell <mark@codesourcery.com>
64 * function.c (expand_function_start): Avoid creating BLKmode
65 pseudos.
67 2001-05-17 Mark Mitchell <mark@codesourcery.com>
69 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
70 DIE, even if it has no children.
71 (dwarf2out_finish): Always output the line-number table, even if
72 it has no content.
74 2001-05-18 David Edelsohn <edelsohn@gnu.org>
76 * rs6000.md (movsfcc,movdfcc): Remove NE case.
78 2001-05-17 Bruce Korb <bkorb@gnu.org>
80 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
81 * fixinc/genfixes: emit a warning if AutoGen is out of date
83 2001-05-17 Brendan Conoboy <blc@cygnus.com>
84 Bruce Korb <bkorb@gnu.org>
86 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
87 found in fixinc directory. Facilitates binary distributions.
89 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
91 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
92 COMPLEX_TYPE.
94 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
96 * dwarf2out.c (modified_type_die): Equate qualified type to die.
98 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
100 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
101 (simplify_subreg): Handle complex types represented as CONCAT.
103 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
104 * rtl.h (swap_commutative_operands_p): Declare.
105 * rtlanal.c (swap_commutative_operands_p): New.
106 (operand_preference): New static function.
108 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
109 (gen_binary): Likewise.
110 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
111 * simplify-rtx.c (simplify_gen_binary,
112 simplify_gen_relational): Likewise.
114 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
116 * cse.c (fold_rtx): Use simplify_subreg.
118 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
119 (simplify_gen_subreg): New.
120 (simplify_rtx): Use simplify_subreg.
121 * rtl.h (simplify_gen_subreg): Declare.
123 2001-05-17 Mark Mitchell <mark@codesourcery.com>
125 * doc/install.texi: Update Solaris information.
127 * except.h (protect_cleanup_actions): Remove it.
128 (lang_protect_cleanup_actions): Declare it.
129 * except.c (protect_cleanup_actions): Remove it.
130 (lang_protect_cleanup_actions): New variable.
131 (init_eh): Don't make protect_cleanup_actions a GC root.
132 (expand_eh_region_and_cleanup): Call
133 lang_protect_cleanup_actions.
134 (output_function_exception_table): Remove unused `align'
135 variable.
136 * varasm.c (assemble_external): Abort if we have not yet
137 opened the assembly output file.
139 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
141 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
142 for eh_personality_libfunc.
144 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
146 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
147 when calling simplify_subreg. This is needed to allow replacing
148 of expression of one mode by expression of different mode.
150 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
152 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
154 2001-05-17 Bernd Schmidt <bernds@redhat.com>
156 * expr.c (protect_from_queue): Protect against subsequent calls to
157 emit_queue.
158 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
159 too clever.
161 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
163 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
165 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
167 * gccbug.in (CATEGORIES): Add "bootstrap".
169 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
171 * simplify-rtx.c (simplify_subreg): Break out from ...
172 * combine.c (combine_splify_rtx) ... here and ...
173 * recog.c (validate_replace_rtx_1): ... here;
174 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
175 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
176 (subreg_lowpart_p): ... here.
178 2001-05-17 Bernd Schmidt <bernds@redhat.com>
180 * stmt.c (expand_asm_operands): For inout operands, make sure
181 the substitution of '=' for '+' makes it into the rtl.
183 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
184 (reload_as_needed): Call update_eliminable_offsets a bit later.
186 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
188 * gcc.texi (gccbug): Refer to the web pages for detailed information
189 on GNATS.
191 2001-05-16 Zack Weinberg <zackw@stanford.edu>
193 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
195 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
196 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
197 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
198 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
199 * cross-make: Don't set LIBGCC1.
200 * mklibgcc.in: Delete all code for building from libgcc1.c.
201 Always honor LIB1ASMFUNCS if set.
203 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
204 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
205 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
206 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
207 config/i386/uwin.asm, config/m68hc11/larith.asm,
208 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
209 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
210 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
211 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
212 Delete or update references to libgcc1 in commentary.
214 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
215 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
216 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
217 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
218 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
219 config/arm/t-semi, config/arm/t-strongarm-coff,
220 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
221 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
222 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
223 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
224 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
225 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
226 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
227 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
228 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
229 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
230 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
231 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
232 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
233 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
234 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
235 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
236 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
237 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
238 config/mips/t-ultrix, config/mn10200/t-mn10200,
239 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
240 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
241 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
242 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
243 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
244 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
245 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
246 config/sparc/t-sparclite, config/sparc/t-splet,
247 config/sparc/t-sunos41, config/sparc/t-vxsparc,
248 config/sparc/t-vxsparc64, config/v850/t-v850:
249 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
251 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
252 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
253 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
254 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
255 nongcc_SI_type, nongcc_word_type, or perform_*
256 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
258 * config/i386/386bsd.h, config/i386/beos-elf.h,
259 config/i386/linux-aout.h, config/i386/linux-oldld.h,
260 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
261 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
262 Don't include i386/perform.h.
264 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
265 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
266 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
267 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
268 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
269 config/vax/t-openbsd, config/vax/t-vax: Delete.
271 * config.gcc: Remove references to deleted files.
272 (arm-semi-aof): Use arm/t-semi for tmake_file.
274 * gcc.texi, install.texi, invoke.texi, tm.texi:
275 Delete or rewrite text which is no longer relevant now that
276 libgcc1 no longer exists.
278 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
279 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
281 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
282 Bruce Korb <bkorb@gnu.org>
284 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
285 initializer
287 2001-05-16 Zack Weinberg <zackw@stanford.edu>
289 * i386.md: Add two peepholes to clean up code generated by
290 cmpstr* expanders.
292 2001-05-16 Richard Henderson <rth@redhat.com>
294 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
295 variants of non-absolute encodings.
297 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
299 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
300 __register_frame_info_table_bases): Export.
302 2001-05-16 Richard Henderson <rth@redhat.com>
304 * except.c (eh_data_format_name): Move to ...
305 * dwarf2asm.c: ... here. Use designated initializers if available.
306 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
307 * dwarf2asm.h: Update declarations.
308 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
309 ASM_PREFERRED_EH_DATA_FORMAT.
310 (output_call_frame_info): Likewise. Use 'L' augmentation for
311 the LSDA encoding.
313 * unwind-dw2-fde.h (struct fde_vector): New.
314 (struct old_object): Rename from struct object.
315 (struct object): New.
316 (__register_frame_info_bases): Declare.
317 (__register_frame_info_table_bases): Declare.
318 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
319 * unwind-dw2-fde.c (objects): Remove.
320 (unseen_objects, seen_objects): New.
321 (__register_frame_info_bases): New.
322 (__register_frame_info): Use it.
323 (__register_frame_info_table_bases): New.
324 (__register_frame_info_table): Use it.
325 (__deregister_frame_info): Rewrite for changed object struct.
326 (base_from_object, get_cie_encoding, get_fde_encoding): New.
327 (fde_unencoded_compare): Rename from fde_compare; uninline.
328 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
329 (start_fde_sort): Adjust for new definition of fde_vector.
330 (fde_insert): Likewise.
331 (end_fde_sort): Likewise. Select comparison function based
332 on properties of the object.
333 (fde_split): Take object and fde_compare_t arguments.
334 (frame_heapsort, fde_merge): Likewise.
335 (classify_object_over_fdes): Rename from count_fdes. Handle
336 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
337 for the object.
338 (add_fdes): Handle encoded pointers.
339 (init_object): Rename from frame_init. Update for new struct object.
340 (linear_search_fdes): Rename from search_fdes. Handle encoded
341 pointers.
342 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
343 (binary_search_single_encoding_fdes): New.
344 (binary_search_mixed_encoding_fdes): New.
345 (search_object): New.
346 (_Unwind_Find_FDE): Update for new struct object. Fill in
347 the dwarf_eh_bases.
348 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
349 iterating over EH data.
350 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
351 fde_encoding, lsda_encoding.
352 (read_uleb128, read_sleb128): Remove.
353 (read_encoded_pointer): Remove. All callers use read_encoded_value.
354 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
355 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
356 pointers.
357 * unwind-pe.h: Add "struct" to _Unwind_Context references.
359 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
361 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
362 * cpphash.c (_cpp_lookup_with_hash): Similarly.
363 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
364 cpp_spell_token, cpp_output_token): Similarly.
365 * cpplib.c (lex_macro_node, do_undef, do_pragma,
366 do_pragma_poison, parse_assertion, do_assert): Similarly.
367 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
368 save_parameter, _cpp_create_definition, check_trad_stringification,
369 cpp_macro_definition): Similarly.
370 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
371 * c-lex.c (cb_undef, c_lex): Similarly.
372 * fix-header.c (recognized_function): Similarly.
373 * cpplib.h (NODE_LEN, NODE_NAME): New.
374 (cpp_hashnode): Rename length len.
376 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
378 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
379 GPRs.
381 2001-05-16 Andreas Jaeger <aj@suse.de>
383 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
385 * toplev.c: Include dwarf2asm.h for prototype of
386 dw2_output_indirect_constants.
388 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
390 * stmt.c (expand_asm_operands): Be able to offload addressof
391 expression to memory. (PR optimization/185)
393 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
395 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
396 applying distributive law.
398 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
400 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
402 * gthr-dce.h (UNUSED): Attribute unused macro.
403 (__gthread_key_dtor): Make arguments UNUSED.
404 (__gthread_key_delete): Revise for compatibility with DRAFT4
405 implementation.
407 2001-05-16 David Edelsohn <edelsohn@gnu.org>
409 * doc/install.texi: Update AIX information.
410 * README.RS6000: Remove obsolete file.
412 2001-05-16 Jakub Jelinek <jakub@redhat.com>
413 Nathan Sidwell <nathan@codesourcery.com>
415 * gcc.c (give_switch): Don't write before start of string.
416 Always append suffix.
418 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
420 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
421 after stage3.
423 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
425 * README.ALTOS: Remove obsolete file.
427 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
429 * c-lex.h (save_and_forget_protocol_qualifiers,
430 forget_protocol_qualifiers, remember_protocol_qualifiers):
431 Remove deleted functions' prototypes.
433 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
435 * c-parse.in (methodtype): New production.
436 (methoddef, methodproto): Collapse separate '-' and '+'
437 handlers into 1.
439 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
441 * c-common.h (RID_FIRST_PQ): New.
442 * c-parse.in (objc_pq_context): New.
443 (objc parser): Set objc_pq_context rather than calling
444 remember_protocol_qualifiers and forget_protocol_qualifiers.
445 Don't call save_and_forget_protocol_qualifiers.
446 (yylexname): Handle objc protocol qualifiers here.
447 * stringpool.c (struct str_header): Replace with sp_hashnode.
448 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
449 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
450 Allocate an IDENTIFIER_NODE for each identifier.
451 (FORALL_STRINGS, set_identifier): Delete.
452 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
453 (ggc_alloc_string): Use an obstack.
454 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
455 * tree.h: Update comments.
456 (set_identifier): Delete.
457 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
458 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
459 remember_protocol_qualifiers): Delete.
461 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
463 * flow.c (life_analysis): After life analysis is complete, do
464 an optional scan over insns looking for REG_LABEL notes that
465 reference a deleted label.
466 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
467 before peeking at LABEL_NUSES.
469 2001-05-15 Richard Henderson <rth@redhat.com>
471 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
472 (_Unwind_GetTextRelBase): New.
474 2001-05-15 Mark Mitchell <mark@codesourcery.com>
476 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
478 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
480 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
481 so that CHOOSE_SECTION gets used.
483 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
484 TARGET_RELOCATABLE like flag_pic for now.
486 2001-05-15 David Edelsohn <edelsohn@gnu.org>
488 * rs6000.md (movdi splitter): Sign extend more efficiently.
489 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
490 to "long long" valid on 32-bit and 64-bit hosts.
491 (logical_operand): Cast trunc_int_for_mode return value.
492 (rs6000_emit_move): Shift macro to encapsulate variable.
493 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
494 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
495 plus_constant requires signed argument.
497 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
499 * gthr-posix.h: Make additional pthread-* functions weak.
501 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
503 * recog.c (apply_change_group): Avoid unneeded validating.
505 2001-05-14 David Edelsohn <edelsohn@gnu.org>
507 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
508 (num_insns_constant): CONST_INT can be 64-bits.
510 2001-05-14 Stan Shebs <shebs@apple.com>
512 * config/darwin.h (LIB_SPEC): Just use -lSystem.
513 (LIBGCC_SPEC): Don't define.
515 2001-05-14 Richard Henderson <rth@redhat.com>
517 * configure.in (gcc_cv_as_eh_frame): New test.
518 * config.in, configure: Rebuild.
519 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
521 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
523 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
524 extended precision divide.
526 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
528 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
529 for RETURNS as well.
531 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
533 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
534 (CPP_CPU??_SIZE_TYPE): New.
535 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
536 (CPP_CPU_SPEC): ... here; support choosing of CPU.
537 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
538 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
539 compiler.
540 * i386.c (override_options): Add sorry about not suported modes.
542 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
544 * config/pa/som.h (NM_FLAGS): Remove.
545 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
546 (ASM_OUTPUT_SECTION_NAME): Remove.
547 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
549 2001-05-14 Mark Mitchell <mark@codesourcery.com>
551 * regrename.c (regrename_optimize): Do not rename registers to
552 leaf registers.
554 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
556 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
557 contain MEMs. Remove useless distinction about clobbering
558 registers.
560 2001-05-13 Geoff Keating <geoffk@redhat.com>
562 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
563 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
564 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
565 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
566 (EXCEPTION_SECTION): Define.
568 2001-05-13 Zack Weinberg <zackw@stanford.edu>
570 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
571 binary backward compat only.
572 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
573 in LIB2FUNCS. Pass it to mklibgcc.
574 * mklibgcc.in: Handle LIB2FUNCS_ST.
576 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
578 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
580 * tm.texi (THREAD_MODEL_SPEC): Document it.
581 * gcc.c (main): Use it.
582 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
583 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
585 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
587 * rtl.h (SYMBOL_REF_WEAK): New macro.
588 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
589 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
590 * rtl.texi (SYMBOL_REF_WEAK): Document it.
591 * gcc.texi: Remove wrong description.
593 2001-05-13 Mark Mitchell <mark@codesourcery.com>
595 * Makefile.in (STAMP): New macro.
596 Replace all uses of `touch' with $(STAMP).
597 * fixinc/Makefile.in: Likewise.
599 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
601 * configure.in: ldopen is never in -lexc, so don't test for it.
602 Add test for exc_resume in -lexc for Ada.
603 * configure: Regenerated.
605 2001-05-12 Richard Henderson <rth@redhat.com>
607 * dwarf2asm.c (size_of_encoded_value): New function.
608 * dwarf2asm.h: Declare it.
609 * except.c (output_function_exception_table): Align the TType
610 array only as wide as the encoding.
612 2001-05-12 Zack Weinberg <zackw@stanford.edu>
614 * extend.texi: Document #pragma GCC java_exceptions.
616 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
618 * c-parse.in (bison parser, init_reswords): Remove uses of
619 doing_objc_thang.
620 * c-tree.h (doing_objc_thang): Remove.
622 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
624 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
625 about files not ending in newlines.
627 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
629 * dwarfout.c (dwarfout_init): Add cast.
630 * sched-deps.c (sched_analyze_insn): Remove unused vars.
631 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
632 cp:
633 * method.c (build_mangled_C99_name): Remove unused prototype.
635 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
637 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
639 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
641 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
642 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
644 2001-05-11 Richard Henderson <rth@redhat.com>
646 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
647 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
648 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
649 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
650 (dw2_output_indirect_constants): Prototype.
651 * dwarf2out.c (dwarf2out_begin_prologue): Generate
652 current_function_func_begin_label if we'll need it for EH. Exit
653 early for IA64_UNWIND_INFO.
654 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
655 (eh_data_format_name): Update for indirect references.
656 (output_function_exception_table): Care for IA64_UNWIND_INFO.
657 Handle ASM_PREFERRED_EH_DATA_FORMAT.
658 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
659 define HAVE_eh_return etc.
660 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
661 (final_end_function): Don't call output_function_exception_table.
662 * toplev.c (compile_file): Call dw2_output_indirect_constants.
663 (rest_of_compilation): Invoke output_function_exception_table
664 for ia64 before assemble_end_function.
665 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
666 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
668 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
669 * unwind.h: Declare them.
670 * libgcc-std.ver: Export them.
671 * unwind-pe.h: New file.
673 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
675 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
676 instead of "fde".
677 (find_fde_for_dso): Extract DT_PLTGOT.
678 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
679 the segment and gp as well.
680 * config/ia64/frame-ia64.c: Remove file.
681 * config/ia64/frame-ia64.h: Remove file.
682 * config/ia64/unwind-ia64.c: New file.
683 * config/ia64/unwind-ia64.h: New file.
684 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
685 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
686 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
687 (ASM_PREFERRED_EH_DATA_FORMAT): New.
688 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
689 (IA64_UNWIND_INFO): Re-enable.
690 (HANDLER_SECTION): Remove.
691 (EH_RETURN_DATA_REGNO): New.
692 * config/ia64/ia64.md (exception_receiver): Remove.
693 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
694 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
696 2001-05-11 Richard Henderson <rth@redhat.com>
698 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
699 calls and jumps to be bundled together.
700 (ia64_reorg): Emit a break after a noreturn call that ends
701 a function.
702 * config/ia64/ia64.md (break_f): New.
704 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
706 * c-lex.c (lex_charconst): Convert into a simple wrapper
707 around cpp_interpret_charconst, to which most of the code
708 body is moved.
709 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
710 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
711 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
712 (lex): Use cpp_interpret_charconst.
713 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
714 hex_digit_value): New functions.
715 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
716 * cpplib.h (cpp_interpret_charconst): New prototype.
717 * Makefile.in: Update.
719 2001-05-12 Dean Wakerley <dean@wakerley.com>
721 * doc/install.texi: New file. Converted to texinfo from the HTML
722 documentation in wwwdocs/htdocs/install.
724 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
726 * gcse.c (insert_insn_end_bb): Do not search for assignments to
727 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
729 * toplev.c (compile_file): Move comment for opening output
730 file to just before the code that opens the output file.
732 2001-05-11 Jakub Jelinek <jakub@redhat.com>
734 * regmove.c (regmove_optimize): Suppress the optimization for
735 unchanging destination register. Add comment above function.
737 2001-05-11 Zack Weinberg <zackw@stanford.edu>
739 * Makefile.in: Exterminate all references to assert.h.
740 * cross-make: Likewise.
741 * assert.h: Delete.
742 * configure.in: Correct commentary.
743 * configure: Regenerate.
745 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
746 Remove __eprintf.
748 * config/t-freebsd, config/t-linux, config/t-linux-aout,
749 config/t-netbsd, config/t-rtems, config/x-linux,
750 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
751 No need to override INSTALL_ASSERT_H.
753 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
754 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
755 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
757 2001-05-11 Graham Stott <grahams@redhat.com>
759 * combine.c (simplify_comparison): Fix typo.
761 2001-05-11 Mark Mitchell <mark@codesourcery.com>
763 * loop.h (struct movables): Remove `num'.
764 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
765 Adjust call to strength_reduce.
766 (num_unmoved_movables): New function.
767 (move_movables): Don't set movables->num.
768 (strength_reduce): Compute the number of instructions in the loop
769 here, rather than in the caller.
770 (check_dbra_loop): Always clear reversible_mem_store if there
771 are any memory sets.
772 (loop_regs_scan): Don't count instructions here.
773 (count_insn_in_loop): New function.
775 2001-05-11 Mark Mitchell <mark@codesourcery.com>
777 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
779 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
781 * c-common.c (finish_label_expr): New function, lifted from
782 from cp/semantics.c.
783 * c-common.h (finish_label_expr, lookup_label): New prototypes.
784 * c-parse.in: Move 3 blocks of parser code into new functions.
785 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
786 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
787 (lookup_label): Remove.
789 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
791 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
792 FLOAT_BIT_ORDER_MISMATCH.
794 2001-05-10 David Edelsohn <edelsohn@gnu.org>
796 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
797 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
799 2001-05-10 David Edelsohn <edelsohn@gnu.org>
801 * expr.c (emit_group_load): extract_bit_field requires a REG or
802 MEM as an argument.
804 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
806 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
807 a computed jump into an unconditional jump.
808 In second hunk of code for collapsing computed and conditional jumps
809 into unconditional jumps, reemit the jump in additional cases.
811 * jump.c (jump_optimize_1): Do not wrap the new jump target
812 inside a LABEL_REF; gen_jump will do that automatically.
814 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
816 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
817 contents for a SYMBOL_REF in case of floating point constants.
819 2001-05-10 DJ Delorie <dj@redhat.com>
821 * c-common.c (combine_strings): Widen strings in a
822 host-endian-independent way.
824 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
826 * c-parse.in: Remove many shift/reduce conflicts. Update
827 %expect values.
828 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
829 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
830 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
831 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
832 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
833 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
834 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
835 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
836 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
837 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
838 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
839 typespec_reserved_nonattr, typespec_reserved_attr,
840 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
841 structsp_nonattr, components_notype, component_notype_declarator,
842 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
843 firstparm, setspecs_fp): New
844 (typed_declspecs, reserved_declspecs, typed_typespecs,
845 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
846 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
847 declmods_no_prefix_attr, nonempty_type_quals, structsp,
848 type_quals): Remove. Users updated.
849 (initdecls, notype_initdecls, after_type_declarator,
850 parm_declarator, notype_declarator, absdcl1, components, ivars):
851 Don't allow attributes at the start of a declarator; include them
852 in the production containing the declarator instead. Always
853 require type specifiers before trying to redeclare a typedef name.
854 (typename): Allow for attributes but warn that they are ignored.
855 (parmlist, firstparm, setspecs_fp): Include attributes in
856 parmlist; suck them off the parser stack in firstparm using
857 setspecs_fp.
859 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
861 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
862 to determine if a block has an unconditional jump at its end.
864 * jump.c (jump_optimize_1): When converting a conditional jump
865 to an unconditional jump, build the jump using gen_jump instead
866 of just modify operands in-place.
868 2001-05-09 Zack Weinberg <zackw@stanford.edu>
870 * cppinit.c (cpp_post_options): Shut off macro expansion if
871 -fpreprocessed.
872 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
873 IN_I directives only if the # is in column 1 and the directive
874 name begins in column 2.
875 * cppmain.c (scan_buffer): Insert a space between # and an
876 identifier, when that identifier is a directive name.
878 * tradcpp.c (struct file_buf): Add a pointer to the next entry
879 in the header search path.
880 (enum node_type): Add T_INCLUDE_NEXT.
881 (directive_table): Add entry for include_next.
882 (do_include_next): New function.
883 (process_include): New routine, broken out of do_include.
884 (finclude): Insert 'nhd' argument, to be copied into
885 next_header_dir of the new buffer.
886 (main): Adjust to match.
887 * gsyslimits.h, limity.h: Un-indent #include_next.
889 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
891 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
892 inclusion as a chapter of the GCC manual.
893 * gcc.texi: Include objc.texi.
894 * fdl.texi: Use @unnumberedsec for the addendum.
895 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
897 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
899 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
901 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
903 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
904 handling of two-address insns.
906 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
908 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
909 ../binutils/nm-new instead of ../binutils/nm.
911 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
913 * i386.md (movdi splitter): Fix the splitting condition
914 (float_extenddftf splitter): Fix mode.
916 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
918 * genrecog.c (write_switch): Avoid outputting of switch for
919 types wider than int.
921 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
923 * reload1.c (copy_eh_notes): New function.
924 (emit_input_reload_insns): Call it.
925 (emit_output_reload_insns): Call it.
927 2001-05-07 Zack Weinberg <zackw@stanford.edu>
929 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
930 Delete stanzas.
931 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
932 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
934 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
936 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
938 * pa.md (interspace_jump): Revise comment.
939 (builtin_longjmp): Block initial setup insns from delay slot of
940 interspace branch.
941 (builtin_setjmp_receiver): New expander to save and restore PIC
942 register.
944 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
946 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
948 * toplev.c (compile_file): Set up the output file before we call
949 the various initializers for the compiler.
951 * except.c (sjlj_mark_call_sites): Do not search for assignments to
952 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
954 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
955 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
957 2001-05-06 Zack Weinberg <zackw@stanford.edu>
959 * Makefile.in (tradcpp0): Correct typo in dependency list.
961 2001-05-06 Geoff Keating <geoffk@redhat.com>
963 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
964 the link register if we're not going to use it.
966 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
967 (output_function_profiler): Likewise.
969 2001-05-07 Alan Modra <amodra@one.net.au>
971 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
973 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
975 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
976 zero-extend it. Make abs_inc unsigned.
978 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
979 widest mode in narrowing and widening operations.
981 * config/mips/mips.md: Sign extend CONST_INTs.
983 2001-05-06 Andreas Jaeger <aj@suse.de>
985 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
986 (i386 Options): Document -momit-leaf-frame-pointer.
988 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
990 * c-typeck.c (internal_build_compound_expr): Check for
991 array to pointer conversion just once.
993 2001-05-05 Richard Henderson <rth@redhat.com>
995 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
997 2001-05-05 Richard Henderson <rth@redhat.com>
999 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
1000 to the parent of the fixup region.
1002 2001-05-05 Jakub Jelinek <jakub@redhat.com>
1004 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
1005 "inline" keyword.
1006 * cpp.texi (__NO_INLINE): Document it.
1008 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
1010 * cppfiles.c (struct include_file): New member err_no.
1011 (find_or_create_entry): Set it.
1012 (open_file): Don't set fds to -2. Instead, use err_no to
1013 remember previous errors, if any.
1015 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1017 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
1018 between X and Y by using sequences of xgdx and xgdy.
1020 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1022 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
1023 of '!' for the 'D' alternative ('!' is too strong).
1024 ("*logicalsi3_silshl16"): Likewise.
1025 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
1026 ("movstrictsi"): Remove spurious '+'.
1027 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
1028 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
1029 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
1030 a reload to them.
1032 2001-05-04 David Edelsohn <edelsohn@gnu.org>
1034 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
1036 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
1038 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
1039 into -a.
1041 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1043 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
1044 TARGET_POWERPC64.
1046 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1048 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
1049 soft register, use ror instead of rol.
1051 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1053 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
1054 into account pre/post increment decrement for 68HC12.
1055 Fix other problems in replacement and fix call to reg_mentioned_p.
1057 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1059 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
1060 Put the soft registers in bss for 68HC12.
1061 (L_regs_d3_4): New for _.d3 and _.d4.
1062 (L_regs_d5_6): Likewise.
1063 (L_regs_d1_2): Likewise.
1064 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
1066 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1068 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
1069 to the pre-processor when -fshort-double is specified.
1070 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
1072 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1074 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
1075 (__mulsi3): Rewrite for 68HC12.
1076 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
1077 Mark 'x' constraint with earlyclobber to prevent a
1078 RELOAD_FOR_OTHER_ADDRESS to go in it.
1079 (mulhi3_m68hc12): New pattern.
1080 (mulhi3_m68hc11): Rename of mulhi3.
1081 (mulhi3): New expand for 68HC12 optimisation.
1082 (umulhisi3, mulhisi3): New patterns for 68HC12.
1084 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1086 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
1087 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
1088 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
1090 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1092 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
1093 constants cheap after reload.
1094 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
1095 are cheap.
1096 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
1097 so that gcc prefers a shift by 16.
1098 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
1100 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
1102 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
1104 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1106 * alpha.h: NULL_PTR -> NULL.
1107 * arm.c: Likewise.
1108 * arm.h: Likewise.
1109 * avr.h: Likewise.
1110 * c4x.c: Likewise.
1111 * c4x.h: Likewise.
1112 * i386.c: Likewise.
1113 * i386.md: Likewise.
1114 * i860.c: Likewise.
1115 * ia64.c: Likewise.
1116 * m68hc11.h: Likewise.
1117 * rs6000.h: Likewise.
1118 * sh.c: Likewise.
1119 * sh.h: Likewise.
1120 * sparc.h: Likewise.
1121 * v850.c: Likewise.
1123 * expr.c: Likewise.
1124 * final.c: Likewise.
1125 * gcc.c: Likewise.
1126 * recog.c: Likewise.
1128 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1130 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
1131 `bool' parameter to `int'.
1133 * hash.c (hash_lookup): Likewise.
1135 * hash.h (hash_lookup): Likewise.
1137 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
1139 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1141 * i386.c (x86_initialize_trampoline): Fix mode of constant.
1143 2001-05-03 Geoff Keating <geoffk@redhat.com>
1145 * invoke.texi (i386 Options): Delete references to -malign-jumps,
1146 -malign-loops, -malign-functions.
1147 * i386.c (ix86_align_funcs): Delete.
1148 (ix86_align_loops): Delete.
1149 (ix86_align_jumps): Delete.
1150 (override_options): Mark -malign-* as obsolete. Emulate their
1151 behaviour with the -falign-* options. Default -falign-* from
1152 the processor table.
1153 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
1154 patch of Wed May 2 13:09:36 2001.
1155 (LOOP_ALIGN): Delete.
1156 (LOOP_ALIGN_MAX_SKIP): Delete.
1157 (LABEL_ALIGN_AFTER_BARRIER): Delete.
1158 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
1160 2001-05-04 Andreas Jaeger <aj@suse.de>
1162 * except.h: Add prototype declaration for
1163 expand_builtin_init_dwarf_reg_sizes.
1165 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
1167 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
1169 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1171 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
1172 instruction.
1173 ("bitcmpqi2"): New pattern for bit-extract and test.
1174 ("bitcmphi"): New pattern for bitb/bita instructions.
1176 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
1178 * gccbug.in: Use a temporary directory when the mktemp command is
1179 not available.
1181 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1183 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
1184 instead of _.d1.
1185 (INITIALIZE_TRAMPOLINE): Call it.
1186 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
1187 (TRAMPOLINE_TEMPLATE): Remove.
1188 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
1189 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1190 Declare.
1192 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1194 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
1195 and crtendS.o with PIC.
1197 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1199 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
1200 negative numbers.
1201 (___subdi3, ___adddi3): Use x instead of y as index register.
1202 (__init_bss_section, __map_data_section): Optimize for 68HC12.
1203 (__memset, __memcpy): Likewise.
1204 (regs): Put the soft registers in bss for 68HC12.
1205 (abort): Use trap to abort for 68hc12.
1206 (__mulhi3, __mulhi32): Use emul for 68hc12.
1207 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
1209 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1211 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
1212 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
1213 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
1214 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
1215 Set 68HC12 min offset to -65536.
1216 (print_operand): Put parenthesis arround the operand if it refers
1217 to a symbol having the same name as a register.
1218 (m68hc11_z_replacement): When z register is replaced by its
1219 equivalent soft register, force the insn to be re-recognized.
1220 (m68hc11_check_z_replacement): Fix the test when destination is
1221 the index register and z dies in the insn.
1222 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
1224 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1226 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
1227 costs according to processor variant.
1228 (m68hc11_shift_cost): New function to compute shift costs.
1229 (m68hc11_rtx_costs): Define costs according to processor variant.
1230 (m6811_cost): Costs for 68HC11.
1231 (m6812_cost): Costs for 68HC12.
1232 (COSTS_N_INSNS): Remove.
1234 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
1235 (DEFAULT_RTX_COSTS): Remove.
1236 (CONST_COSTS): Define costs according to OUTER_CODE.
1237 (processor_costs): New struct to define costs.
1238 (m68hc11_cost): Pointer to current costs.
1240 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1242 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
1243 and use m68hc11_notice_keep_cc when using leax/leay.
1244 (addhi3 split): Reject split if the insn is handled by
1245 leax/leay above.
1246 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
1247 push must be handled in a special way if the source operand uses
1248 sp as index register.
1249 (m68hc11_notice_keep_cc): New function.
1250 (m68hc11_gen_movhi): Use it when an insn changes a register but
1251 not the flags.
1252 (m68hc11_gen_movqi): Fix move for 68HC12.
1253 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
1255 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1257 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
1258 and don't pass operands[0] to emit_library_call_value.
1260 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1262 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
1263 (zero_extendsi split): Simplify and use (zero_extendhi).
1264 (*addhi3): Remove 'w' constraint since stack pointer is handled
1265 by (addhi3_sp).
1266 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
1267 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
1268 (*ashrhi3_const): Fix shift by 7.
1269 (*lshrsi3_const16): Fix template.
1270 (call, call_value): Fix constraint and predicate.
1272 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1274 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
1275 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
1276 (CC_REGNUM): Likewise.
1277 (*unnamed splits): Use above constants instead of hard coded numbers.
1278 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
1279 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
1280 (*return_16bit, *unnamed peepholes): Likewise.
1282 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1284 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
1285 rs6000/rs6000.h twice.
1287 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
1289 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
1290 (CPP_SPEC): Conditionally define MSDOS and GO32.
1291 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
1292 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
1293 ignored.
1294 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
1296 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
1298 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
1300 2001-05-03 Mark Mitchell <mark@codesourcery.com>
1302 * integrate.h (struct inline_remap): Add leaf_reg_map table.
1303 * integrate.c (expand_inline_function): Use xcalloc to allocate
1304 memory.
1305 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
1306 registers.
1308 2001-05-03 Mark Mitchell <mark@codesourcery.com>
1310 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
1311 if it is not set.
1313 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
1315 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
1316 linker if -mrelax is given.
1317 (TARGET_SWITCHES): Document -mrelax.
1319 Re-installed 2001-01-09's patch:
1320 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1321 if it's wider than long and the target's long is wider than the
1322 host's.
1324 2001-05-02 David O'Brien <obrien@FreeBSD.org>
1326 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
1327 directly include rs6000/rs6000.h. Instead do it in tm.h.
1329 2001-05-02 Stan Shebs <shebs@apple.com>
1331 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
1332 NSConstantString for NeXT-style runtimes.
1333 (STRING_OBJECT_GLOBAL_NAME): New macro.
1334 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
1335 OCTI_STRING_CLASS_DECL.
1336 (constant_string_global_id): New macro.
1337 (string_class_decl): Ditto.
1338 (setup_string_decl): New function.
1339 (build_objc_string_object): Use it to build a NeXT runtime
1340 compatible string initializer.
1342 2001-05-02 Jakub Jelinek <jakub@redhat.com>
1344 * tradcpp.c (do_define): Make sure we don't walk past limit.
1346 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1348 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
1349 offsets if not REG_OK_STRICT.
1351 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
1352 (INT_REG_OK_FOR_INDEX_P): Likewise.
1353 (INT_REG_OK_FOR_BASE_P): Likewise.
1354 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
1355 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
1356 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
1357 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
1358 REG_OK_FOR_BASE_P. Take an additional parameter.
1359 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
1360 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
1361 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
1362 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
1363 rs6000_legitimate_address() and use it.
1364 * config/rs6000/rs6000.c: Update all callers.
1365 (rs6000_legitimate_address): New function.
1367 2001-05-02 David Edelsohn <edelsohn@gnu.org>
1369 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
1370 special_constant conditional blocks together.
1372 2001-05-02 Dale Johannesen <dalej@apple.com>
1374 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
1375 parameter.
1376 (STRICT_ARGUMENT_NAMING): Define.
1377 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
1378 function_arg_partial_nregs, setup_incoming_varargs): Remove
1379 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
1380 is defined.
1382 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1384 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
1386 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
1387 for replacement.
1389 * expr.c (store_field): Do nothing except elaborate side-effects if
1390 zero-bit field.
1392 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1394 * c-lex.c: NULL_PTR -> NULL.
1395 * cse.c: Likewise.
1396 * emit-rtl.c: Likewise.
1397 * gcse.c: Likewise.
1398 * genpeep.c: Likewise.
1399 * jump.c: Likewise.
1400 * mips-tdump.c: Likewise.
1401 * reload1.c: Likewise.
1402 * rtlanal.c: Likewise.
1403 * stmt.c: Likewise.
1404 * stor-layout.c: Likewise.
1405 * toplev.c: Likewise.
1407 2001-05-01 Per Bothner <per@bothner.com>
1409 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
1410 call do_pending_stack_adjust before emiting label.
1412 2001-05-01 Mark Mitchell <mark@codesourcery.com>
1414 * extend.texi: Fix typo.
1416 2001-05-01 Stan Shebs <shebs@apple.com>
1418 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
1419 of UOBJC_MODULES_decl.
1420 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
1421 (generate_descriptor_table): Ditto.
1422 (generate_protocols): Ditto.
1423 (generate_protocol_list): Ditto.
1424 (generate_classref_translation_entry): Ditto.
1426 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
1428 * invoke.texi (Optimize Options): Add documentation for `--param
1429 max-delay-slot-insn-search' and `--param
1430 max-delay-slot-live-search' and reorder --param section.
1431 * params.def: Modify initial comment.
1432 * params.h (param_info): Add `help' member.
1433 * toplev.c (lang_independent_params): Include `help' description.
1434 (display_help): Print --param parameters.
1436 2001-05-01 Zack Weinberg <zackw@stanford.edu>
1438 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
1439 Remove references to deleted files.
1440 (*-*-openbsd): No need to override xmake_file.
1441 (*-*-sysv4): Treat like *-*-sysv.
1443 * configure.in: Probe for ldopen in various places, and set up
1444 collect2 to be linked with them if found.
1445 Don't dink with Windows registry stuff unless $host_os is a
1446 Win32 os name. Check to see if we need -ladvapi32.
1447 * configure: Regenerate.
1449 * Makefile: Get rid of CLIB and HOST_CLIB.
1450 Substitute in COLLECT2_LIBS and link collect2 against its contents.
1451 * build-make: Get rid of HOST_CLIB.
1453 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
1454 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1455 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1456 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
1457 config/rs6000/x-rs6000: Delete.
1459 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
1460 Don't set CLIB.
1462 24 x-host fragments remain, 0 x-cpu, 3 top level.
1464 2001-05-01 Zack Weinberg <zackw@stanford.edu>
1466 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
1467 * configure: Regenerate.
1469 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
1471 * Makefile.in (install-headers): Remove redundant dependency.
1473 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
1475 * c-tree.texi (USING_STMT): Document.
1477 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1479 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
1480 * c-common.c: Likewise.
1481 * c-decl.c: Likewise.
1482 * combine.c: Likewise.
1483 * rs6000.c: Likewise.
1484 * except.c: Likewise.
1485 * explow.c: Likewise.
1486 * expr.c: Likewise.
1487 * fold-const.c: Likewise.
1488 * function.c: Likewise.
1489 * gcc.c: Likewise.
1490 * gcse.c: Likewise.
1491 * integrate.c: Likewise.
1492 * loop.c: Likewise.
1493 * objc/objc-act.c: Likewise.
1494 * recog.c: Likewise.
1495 * reg-stack.c: Likewise.
1496 * reload.c: Likewise.
1497 * reload1.c: Likewise.
1498 * simplify-rtx.c: Likewise.
1499 * stmt.c: Likewise.
1500 * varasm.c: Likewise.
1502 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
1504 * diagnostic.def: New file.
1505 * diagnostic.h (diagnostic_t): New enum.
1506 * Makefile.in (diagnostic.o): Depend on diagnostic.def
1508 2001-04-30 Zack Weinberg <zackw@stanford.edu>
1510 * tsystem.h: Test only POSIX for availability of string.h
1511 and time.h.
1512 * config.gcc (all systems): If USG appeared in xm_defines,
1513 change it to POSIX. If both USG and POSIX appeared, just
1514 delete USG. Remove unnecessary quotes around xm_defines
1515 settings.
1516 (m68k-crds-unos*): Don't #define unos - tested nowhere.
1517 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
1518 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
1519 powerpc-*-linux*): No need to set xm_defines - handled by
1520 global settings for *-*-linux*.
1522 2001-04-30 Zack Weinberg <zackw@stanford.edu>
1524 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
1525 Always include gstab.h, not system stab.h. Don't provide
1526 default definitions of N_CATCH or N_OPT. Always use the
1527 gstab.h variant of STAB_CODE_TYPE.
1528 * final.c: Don't include stab.h/gstab.h at all, or provide
1529 defaults for N_SLINE and N_SOL.
1531 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
1532 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
1533 available.
1534 * sdbout.c: Always include gsyms.h instead of system syms.h.
1536 * configure.in: No need to check for stab.h.
1537 * configure, config.in: Regenerate.
1538 * Makefile.in (final.o): Don't depend on gstab.h.
1540 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1541 Richard Henderson <rth@redhat.com>
1543 * extend.texi: Improve documentation of volatile asms.
1545 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1547 * c-tree.texi: Fix thinko.
1548 * gcc.texi: Likewise.
1550 2001-04-30 Richard Henderson <rth@redhat.com>
1552 * c-common.c (c_promoting_integer_type_p): New function, from the
1553 corpse of old macro. Properly promote too-small enumerations and
1554 booleans. Adjust all callers.
1555 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
1556 (c_promoting_integer_type_p): Declare.
1557 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
1558 * c-typeck.c: Likewise.
1559 (default_conversion): Remove now redundant boolean check.
1561 2001-04-30 Jan Hubicka <jh@suse.cz>
1562 Richard Henderson <rth@redhat.com>
1564 * regmove.c (try_apply_stack_adjustment): Remove now redundant
1565 sanity checks.
1566 (combine_stack_adjustments_for_block): Don't combine stack
1567 allocation followed by deallocations. Handle grow-up stacks.
1569 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1571 * fdl.texi: New file.
1572 * c-tree.texi: Use the GFDL.
1573 * gcc.texi: Likewise.
1575 2001-04-30 Stan Shebs <shebs@apple.com>
1577 * invoke.texi: Add a section documenting Objective-C options.
1579 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
1581 * emit-rtl.c (try_split): Copy EH notes to sequence.
1583 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1585 * regmove.c (record_stack_memrefs): Catch all references to the
1586 stack pointer.
1588 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
1590 * Makefile.in(stmp-fixinc): quote shell assignment values
1592 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1594 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
1596 * gcc.c: Likewise.
1598 * prefix.c: Likewise.
1600 2001-04-28 Stan Shebs <shebs@apple.com>
1602 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
1603 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
1604 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
1605 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
1607 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
1608 (NEXT_OBJC_RUNTIME): Define.
1610 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1612 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
1613 * simplify-rtx.c (simplify_gen_relational): Likewise.
1615 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
1617 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
1618 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
1620 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
1621 registers in SSE case; fix handling of the immediates.
1622 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
1623 operands to be in regsiters before reload.
1624 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
1625 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
1626 (abstf,absxf,negtf,negxf splitters): Compute
1627 properly the regnum for x86_64.
1628 (avsdf2_if_rex64): New.
1630 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
1632 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
1633 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
1634 into the constant pool.
1635 * jump.c (jump_optimize_1): Remove barrier successors after all
1636 the LABEL_NUSES counds have been computed.
1637 (delete_barrier_successors): When deleting a tablejump insn, also
1638 delete the jump table it uses.
1639 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
1640 label into memory.
1642 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
1644 * pa.c (FRP): Remove erroneous white space in macro definition.
1646 2001-04-28 Andreas Jaeger <aj@suse.de>
1648 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
1649 appropriate.
1650 * extend.texi: Likewise.
1651 * tm.texi: Likewise.
1653 2001-04-28 Andreas Jaeger <aj@suse.de>
1655 * md.texi: Use XX-bit instead of XXbit or XX bit where
1656 appropriate.
1658 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
1660 * gcc.c (process_command): Allow -l lib in addition to -llib
1661 for POSIX compliance. This fixes PR c/2347.
1663 * invoke.texi: Update section on Link Options accordingly.
1665 2001-04-27 Zack Weinberg <zackw@stanford.edu>
1667 * function.c (purge_addressof_1): Remove the duplicate
1668 if (code == SET) block. Fold the two if (code == ADDRESSOF)
1669 blocks together.
1671 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
1673 * except.c (expand_eh_region_start): Don't start a new block.
1674 (expand_eh_region_end): Don't end a block.
1675 * stmt.c (expand_end_bindings): Don't end EH blocks.
1676 (expand_decl_cleanup): Starting an EH region won't change the block.
1677 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
1678 (is_eh_region): Lose.
1679 * tree.h: Adjust.
1681 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
1683 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
1685 * collect2.c (main): Add `-L' case to remove duplicate entries.
1686 (is_in_args): New function to check for a duplicate argument.
1687 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
1688 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
1689 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
1690 Define to be nonzero.
1692 2001-04-27 Andreas Jaeger <aj@suse.de>
1693 Richard Henderson <rth@redhat.com>
1695 * md.texi (Machine Constraints): Document additional i386
1696 constraints and fix description of "A".
1698 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
1700 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
1702 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
1704 * except.c (get_exception_filter): word_mode, not Pmode.
1706 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
1708 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
1709 common to other movsf patterns. Move up so that in future
1710 people who change the other patterns will change it too.
1711 (movsf_lo_sum): Allow even for soft-float; add appropriate
1712 constraints.
1713 (movsf_high): Likewise.
1714 (movsf_high+1): Allow even for soft-float.
1716 * function.c (expand_function_end): Always clobber the
1717 return registers, even if there is no return label.
1719 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1721 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
1723 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
1725 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
1726 (pushqi2_rex64, pushhi2_rex64): Add.
1728 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
1730 * except.c (expand_eh_region_end_cleanup): Force pending stack
1731 adjust before emitting label that branches around cleanup code.
1733 2001-04-26 H.J. Lu (hjl@gnu.org)
1735 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
1737 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
1738 define.
1739 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
1740 (ASM_OUTPUT_SECTION_NAME): Likewise.
1741 (ASM_WEAKEN_LABEL): Likewise.
1742 (UNIQUE_SECTION): Likewise.
1743 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1744 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1745 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
1746 (ASM_OUTPUT_SECTION_NAME): Likewise.
1747 (ASM_WEAKEN_LABEL): Likewise.
1748 (UNIQUE_SECTION): Likewise.
1749 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1750 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1751 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
1752 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
1753 (ASM_FILE_START): Likewise.
1754 (ASM_OUTPUT_SOURCE_LINE): Likewise.
1755 (ASM_DECLARE_OBJECT_NAME): Likewise.
1756 (ASM_FILE_END): Likewise.
1757 (ASM_DECLARE_FUNCTION_NAME): Likewise.
1758 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
1759 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1760 (ASM_OUTPUT_CASE_LABEL): Likewise.
1761 (ASM_OUTPUT_SKIP): Likewise.
1762 (ASM_OUTPUT_ASCII): Likewise.
1763 (ASM_OUTPUT_IDENT): Likewise.
1764 (READONLY_DATA_SECTION): Likewise.
1765 (EXTRA_SECTIONS): Likewise.
1766 (EXTRA_SECTION_FUNCTIONS): Likewise.
1767 (SELECT_RTX_SECTION): Likewise.
1768 (SELECT_SECTION): Likewise.
1770 * config/mips/linux.h (INVOKE__main): Undefine.
1771 (CTOR_LIST_BEGIN): Likewise.
1772 (CTOR_LIST_END): Likewise.
1773 (DTOR_LIST_BEGIN): Likewise.
1774 (DTOR_LIST_END): Likewise.
1775 (SET_ASM_OP): Defined it to ".dummy".
1776 (ASM_OUTPUT_DEF): Defined.
1777 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
1779 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
1781 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
1782 assembler supports .p2align.
1784 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
1786 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
1788 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1790 * integrate.c (expand_inline_function): Check for error_mark_node
1791 in actual argument.
1793 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1795 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
1796 -m386 and -m486.
1798 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
1800 * configure.in (configargs.h): Define thread_model.
1801 * configure: Rebuilt.
1802 * gcc.c (main): Print it with -v.
1804 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
1806 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
1807 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
1808 * gcc.1: Regenerate.
1810 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1812 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
1813 is_redundant_typedef): Use static inline instead of inline static.
1815 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
1817 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
1818 this directory is always searched.
1820 2001-04-25 Richard Henderson <rth@redhat.com>
1822 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
1823 of registers to restore along non eh_return path.
1825 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1827 * c-format.c (check_format_info_recurse): Handle
1828 PLUS_EXPR for format string.
1830 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1832 * config/ia64/ia64.h (CC1_SPEC): Define.
1833 * config/ia64/linux.h (CC1_SPEC): Define.
1835 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
1837 * emit-rtl.c (constant_subword): Also do sign extension in
1838 BITS_PER_WORD == 16 case.
1840 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
1842 * loop.c (try_swap_copy_prop): Go back to checking insn.
1844 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1846 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
1847 if check_mode is non-zero.
1849 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1851 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
1852 out and comparison sequence has been detected, put result into
1853 proper temporary pseudo.
1855 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1857 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
1858 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
1859 * libgcc2.c: Remove __dummy and __builtin_saveregs.
1860 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
1861 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
1862 for future reference.
1864 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
1866 * except.c (reachable_handlers): Step out one level from a RESX.
1868 * except.c (struct eh_region): Rename 'last' to 'resume'.
1869 (mark_eh_region, duplicate_eh_region_1): Adjust.
1870 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
1871 (build_post_landing_pads): Likewise.
1872 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
1873 (expand_eh_region_end_must_not_throw): Likewise.
1874 (connect_post_landing_pads): Thread (only) regions with non-deleted
1875 resume insns.
1877 * except.c (expand_eh_region_end_cleanup): Save the EH return data
1878 registers around the cleanup.
1879 (get_exception_filter): New fn.
1880 (finish_eh_generation): Use it.
1882 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
1884 * c-semantics.c (add_scope_stmt): Don't call
1885 current_scope_stmt_stack multiple times.
1887 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1888 Nathan Sidwell <nathan@codesourcery.com>
1890 Lazy __FUNCTION__ generation.
1891 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
1892 RID_C99_FUNCTION_NAME): New _RIDs.
1893 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
1894 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
1895 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
1896 global tree slots.
1897 (function_id_node, pretty_function_id_node, func_id_node): Remove.
1898 (c99_function_name_decl_node, function_name_decl_node,
1899 pretty_function_name_decl_node, saved_function_name_decls):
1900 Declare.
1901 (struct language_function): Remove x_function_name_declared_p.
1902 (make_fname_decl): Remove a parameter.
1903 (declare_function_names): Remove prototype.
1904 (start_fname_decls, finish_fname_decls): Prototype.
1905 (fname_as_string): Likewise.
1906 (fname_string, fname_decl): Likewise.
1907 * c-common.c (make_fname_decl): Adjust.
1908 (struct fname_var_t): New struct.
1909 (fname_vars): New static array.
1910 (declare_function_name): Remove.
1911 (start_fname_decls, finish_fname_decls): New functions.
1912 (fname_as_string): New function from remnants of
1913 declare_function_name.
1914 (fname_string, fname_decl): New functions.
1916 * c-decl.c (c_function_name_declared_p): Remove.
1917 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
1918 don't call declare_function_name. Call start_fname_decls.
1919 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
1920 clobber the line number. Call finish_decl.
1921 (start_function): Call start_fname_decls.
1922 (finish_function): Call finish_fname_decls.
1923 Remove c_function_name_declared_p.
1924 (push_c_function_context): Don't push c_function_name_declared_p.
1925 (pop_c_function_context): Don't pop c_function_name_declared_p.
1926 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
1927 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
1928 (program): Call finish_fname_decls for C.
1929 (primary): Add VAR_FUNC_NAME.
1930 (reswords): Add slots for __FUNCTION__ et al.
1931 (rid_to_yy): Add mappings for __FUNCTION__ et al.
1932 (yylexname): If it's a STRING_FUNC_NAME generate the function name
1933 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
1934 * c-semantics.c (prune_unused_decls): Remove.
1935 (finish_stmt_tree): Don't call prune_unused_decls.
1936 (genrtl_decl_stmt): Don't prune unused decls here.
1938 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
1940 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
1941 constant pool, use the pool's SYMBOL_REF instead.
1943 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
1944 v850e.
1946 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
1948 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
1949 passing nested NOP_EXPRs to fold.
1951 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1953 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
1955 2001-04-22 Mark Mitchell <mark@codesourcery.com>
1957 * loop.c (loop_delete_insns): Add prototype.
1959 2001-04-23 Phil Edwards <pme@sources.redhat.com>
1961 * configure.in: Remove ENABLE_STD_NAMESPACE.
1962 * config.in: Regenerated.
1963 * configure: Regenerated.
1965 2001-04-22 Stan Shebs <shebs@apple.com>
1967 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
1968 into xm_defines.
1969 * config/rs6000/xm-darwin.h: Remove file.
1971 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1973 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
1974 (write_c_file_stat): Likewise.
1976 * dbxout.c (dbxout_init): Likewise.
1978 * profile.c (output_func_start_profiler): Likewise.
1980 2001-04-22 Philipp Thomas <pthomas@suse.de>
1982 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
1983 require it instead of the CVS version.
1984 * cpperror.c (v_message): Put a blank before the macro
1985 body to not confuse exgettext.
1987 2001-04-21 Mark Mitchell <mark@codesourcery.com>
1989 * flow.c (proagate_one_insn): Remove useless assignment.
1990 * jump.c (delete_insn): Tidy.
1991 * loop.c (try_copy_prop): When deleting an instruction with a
1992 REG_RETVAL note, delete the entire libcall sequence.
1993 (loop_delete_insns): New function.
1994 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
1995 we're not substituting into them yet.
1997 2001-04-21 Kazu Hirata <kazu@hxi.com>
1999 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
2001 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
2002 Fix a comment typo.
2003 * config/i960/i960.c (signed_arith_operand): Likewise.
2005 * calls.c (expand_call): Fix a comment typo.
2007 2001-04-20 Zack Weinberg <zackw@stanford.edu>
2009 * configure.in: Probe for times, clock, struct tms, and clock_t.
2010 * configure, config.in: Regenerate.
2011 * timevar.c: Replace ifdef forest in get_time with (relatively)
2012 straightforward series of checks based on autoconf's probes.
2014 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
2016 * config/pa/som.h (NM_FLAGS): Define.
2018 2001-04-20 Bernd Schmidt <bernds@redhat.com>
2020 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
2021 function.
2022 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
2023 * ia64.c (nop_cycles_until): New function.
2024 (prev_cycle, prev_first, last_issued): New static variables.
2025 (ia64_sched_reorder): Additional arg for clock.
2026 On final scheduling pass, emit extra NOPs as needed.
2027 Set prev_first and prev_cycle.
2028 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
2029 (ia64_variable_issue): Set last_issued.
2031 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
2033 * config/i386/i386.c (ix86_expand_int_movcc,
2034 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
2036 2001-04-20 Geoff Keating <geoffk@redhat.com>
2038 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
2039 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
2040 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
2041 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
2042 ctrdi_internal6): In the short-branch case, this insn is only 4
2043 bytes long. Reported by Reza Yazdani <reza@apple.com>.
2045 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2047 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
2048 "=u" is used together with "st" resp. "st(1)" clobber.
2050 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2052 * gcse.c (gcse_main): Fix comment typo.
2053 (delete_null_pointer_check): Likewise.
2054 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
2055 * cse.c (cse_insn): Likewise.
2056 * function.c (fixup_var_refs_insns_with_hash): The sequence is
2057 toplevel.
2059 2001-04-19 Zack Weinberg <zackw@stanford.edu>
2061 * toplev.c: Excise all code for the undocumented -dm option.
2062 (float_signal): Call signal just once, unconditionally.
2064 2001-04-19 Geoff Keating <geoffk@redhat.com>
2066 * fold-const.c (fold): Use first_rtl_op rather than
2067 TREE_CODE_LENGTH when looping over parameters of a tree.
2068 Correct strange grouping in test for evaluated SAVE_EXPR.
2070 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
2072 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
2073 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
2075 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
2076 name at 32 total characters.
2077 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
2078 functions in named sections -- data items can still go into unique
2079 sections, but they have normal names (ie $LIT$ and $DATA$).
2081 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
2082 INIT_PRIORITY.
2084 2001-04-19 DJ Delorie <dj@redhat.com>
2086 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2087 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
2088 * config/i386/cygwin.h: Likewise.
2089 * config/i386/mingw32.h: Likewise.
2090 * config/vax/vms.h: Likewise.
2091 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
2093 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2094 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
2095 * config/i386/xm-cygwin.h: Likewise.
2096 * config/i386/xm-djgpp.h: Likewise.
2097 * config/i386/xm-mingw32.h: Likewise.
2098 * config/vax/xm-vms.h: Likewise.
2100 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
2101 instead of OBJECT_SUFFIX.
2102 * collect2.c (find_a_file): Look for files matching the extension
2103 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
2104 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
2105 TARGET_EXECUTABLE_SUFFIX.
2106 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
2107 (make_relative_prefix): Likewise.
2108 (convert_filename): Use TARGET_ suffixes throughout. Remove
2109 NO_AUTO_EXE_SUFFIX.
2110 (process_command): Likewise.
2111 (do_spec_1): Likewise.
2112 * java/lang.c (init_parse): Likewise.
2114 * gcc.texi : Document four new options matching the pattern
2115 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
2116 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
2117 documentation for NO_AUTO_EXE_SUFFIX.
2119 2001-04-19 Mark Mitchell <mark@codesourcery.com>
2121 * toplev.h (struct lang_hooks): Allow decode_option to indicate
2122 that language-independent processing should not be done.
2123 * toplev.c (main): Adjust accordingly.
2125 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
2126 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
2128 * mips.md (reload_outputdi): Require that operand0 be a
2129 general_operand.
2131 2001-04-19 Jakub Jelinek <jakub@redhat.com>
2133 * invoke.texi (-Wshadow): Clarify.
2135 2001-04-18 Mark Mitchell <mark@codesourcery.com>
2137 * loop.c (load_mems): Examine all the instructions in the loop
2138 before concluding that all jumps branch to the first instruction
2139 after the loop.
2141 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
2143 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
2145 2001-04-18 Jakub Jelinek <jakub@redhat.com>
2147 * cpp.texi (-Wwhite-space): Remove.
2148 (-Wall): -Wall does not imply -Wwhite-space.
2150 2001-04-17 Zack Weinberg <zackw@stanford.edu>
2152 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
2153 use it instead of blindly generating a .stabs.
2154 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
2155 in the right place.
2156 * xcoffout.c: Don't bother defining default for N_CATCH.
2157 (UNKNOWN_STAB): Use internal_error.
2158 (stab_to_sclass): Remove now-unnecessary aborts.
2159 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
2161 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
2163 * jump.c (mark_all_labels): Canonicalize the tail recursion
2164 label attached to CALL_PLACEHOLDER insns.
2166 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2168 * output.h (dump_flow_info, free_basic_block_vars,
2169 which_alternative): Delete redundant prototypes.
2171 * rtl.h (bss_section): Likewise.
2173 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
2175 * dbxout.c (N_OPT): Define if not available from <stab.h>
2177 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
2179 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
2180 libraries and native K&R compilers.
2182 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2184 * c-typeck.c (convert_arguments): Don't check for width changes
2185 with -Wtraditional.
2187 * invoke.texi (-Wtraditional): Update documentation.
2189 2001-04-16 Zack Weinberg <zackw@stanford.edu>
2191 * toplev.c (output_lang_identify): Delete.
2192 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
2193 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
2194 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
2195 after calling ASM_FILE_END.
2197 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
2198 Instead, unconditionally emit an N_OPT stab with string equal
2199 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
2201 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
2203 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
2204 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
2205 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
2206 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
2207 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
2208 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
2209 config/i370/i370.h, config/i386/beos-elf.h,
2210 config/i386/osf1elf.h, config/i386/osfrose.h,
2211 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
2212 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
2213 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
2214 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
2215 config/mips/iris6.h, config/mips/osfrose.h,
2216 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
2217 config/sparc/sp64-elf.h:
2218 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
2219 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
2221 * config/elfos.h, config/freebsd.h, config/linux.h,
2222 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
2223 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
2224 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
2225 of ASM_FILE_START which merely emit a .version directive. Delete
2226 definitions of ASM_FILE_END which merely emit an .ident directive.
2228 * config/avr/avr.h, config/vax/vax.h: Delete definition of
2229 ASM_IDENTIFY_GCC and move part of its logic into
2230 ASM_FILE_START.
2232 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
2233 config/sparc/linux-aout.h: Don't emit .version directive in
2234 ASM_FILE_START.
2236 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
2237 (output_file_start): Correct comment.
2239 * config/i386/osfrose.h: Don't emit trailing .ident directive.
2240 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
2241 to match gdb.
2242 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
2243 * config/rs6000/aix.h: Correct comment.
2245 * config/i386/i386afe.h: Delete.
2246 * config.gcc: Remove references to i386afe.h.
2248 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
2249 other macros deleted by this patch were undocumented.
2251 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
2253 * pa.md (reload_outdi): Operand 0 must be a non hard register.
2255 * pa.c (secondary_reload_class): SAR<->FP copies require a
2256 secondary register.
2258 * install.texi (mips-mips-bsd): Update list of functions
2259 required to include memmove.
2260 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
2261 used functions to include memmove.
2263 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
2265 * i386.md (sqrtdf2): SFmode should be DFmode.
2267 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
2269 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
2270 (find_moveable_store): Likewise.
2272 2001-04-15 Jim Wilson <wilson@redhat.com>
2274 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
2276 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2278 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
2279 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
2281 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
2283 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
2284 first alternative.
2286 2001-04-14 Alan Modra <amodra@one.net.au>
2288 * pa.c (force_mode): New function.
2289 (emit_move_sequence): Use it instead of generating new rtx_REGs.
2291 2001-04-13 Jim Wilson <wilson@redhat.com>
2293 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
2294 (first_instruction): New static variable.
2295 (rtx_needs_barrier): Return 1 for alloc.
2296 (init_insn_group_barriers): Set first_instruction.
2297 (rws_sum): Delete duplicate definition.
2298 (group_barrier_needed_p): Return 0 when first_instruction true.
2299 (safe_group_barrier_needed_p): Save and restore first_instruction
2300 around group_barrier_needed_p call.
2302 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
2304 * expr.h (enum libfunc_index): Add LTI_memmove.
2305 (memmove_libfunc): Define macro.
2306 * optabs.c (init_optabs): Initialize memmove_libfunc.
2307 * expr.c (expand_assignment): Use memmove_libfunc instead of
2308 memcpy_libfunc.
2310 2001-04-13 Alan Modra <alan@linuxcare.com.au>
2312 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
2313 fp mode addresses.
2315 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2317 * Makefile.in (reg-stack.o): Depend on reload.h.
2318 (insn-attrtab.o): Depend on flags.h.
2320 * genattrtab (main): Include flags.h in insn-attrtab.c.
2322 * reg-stack.c: Include reload.h.
2324 * sparc.h (flag_pic): Delete redundant declaration.
2326 * output.h (flag_pic): Likewise.
2328 * tree.h (pedantic): Likewise.
2330 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2332 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
2334 * jump.c, regmove.c, toplev.c: Include reload.h.
2336 * reload.h (reload_cse_regs): Declare.
2338 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
2339 reload_cse_regs, init_reload, mark_home_live, reload,
2340 init_caller_save): Delete redundant prototypes.
2342 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2344 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
2346 * regclass.c, ssa.c: Include expr.h.
2348 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
2349 gen_move_insn): Delete redundant declarations.
2351 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2353 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
2354 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
2355 MAKEINFO and MAKEINFOFLAGS too.
2356 (stage4_build): Correctly order -B flags.
2358 2001-04-13 Alan Modra <amodra@one.net.au>
2360 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
2361 PIC_OFFSET_TABLE_SAVE_RTX.
2362 (zdepi_cint_p): Describe zdepi insn.
2363 Formatting and white space fixes throughout file.
2365 * pa.c (uint32_operand): Don't use long constant >= 2^32.
2366 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
2367 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
2368 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
2369 (output_64bit_and): Use plain `int's for shift counts.
2370 (output_64bit_ior): Likewise.
2371 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
2372 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
2373 `N', and simplify.
2375 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
2376 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
2377 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
2378 NEW_HP_ASSEMBLER into one. Kill warnings.
2380 * pa-gas.h: Delete file.
2381 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
2382 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
2383 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
2384 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
2386 * config/pa/mill32.S: New file.
2387 * config/pa/mill64.S: New file.
2388 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
2389 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
2390 * config/pa/t-linux64: New file.
2391 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
2392 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
2393 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
2395 * elfos.h (SELECT_SECTION): Undef before defining.
2396 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
2397 (LIB_SPEC): Remove -lmilli.
2398 (DBX_REGISTER_NUMBER): Remove.
2399 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
2400 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
2401 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
2402 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
2403 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
2404 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
2405 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
2406 TARGET_GAS): Define.
2407 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
2408 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
2409 regs if we don't have a prototype.
2410 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
2411 * pa.h (TARGET_ELF32): Default to 0 if undefined.
2412 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
2413 EH_RETURN_HANDLER_RTX): Define.
2414 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
2415 (DWARF_FRAME_REGNUM): Define.
2416 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
2417 * pa32-linux.h: New file.
2418 * pa64-linux.h: New file.
2420 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
2421 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
2422 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
2423 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
2424 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
2425 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
2426 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2427 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
2428 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
2429 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
2430 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2431 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
2432 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
2433 * pa64-hpux.h: New file.
2434 (ASM_FILE_START): Correct typo.
2435 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
2436 * config.gcc: Modify for above.
2438 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
2440 * jump.c (jump_optimize_1): Don't delete dead stores here.
2441 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
2442 prior to running jump optimize before cse2.
2444 2001-04-12 Richard Henderson <rth@redhat.com>
2446 * Makefile.in (regmove.o): Depend on except.h.
2447 * regmove.c: Include it.
2449 2001-04-12 Stan Shebs <shebs@apple.com>
2451 * objc/objc-act.c: Remove all code ifdefed with the never-used
2452 macro OBJC_INT_SELECTORS.
2453 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
2454 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
2456 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
2458 * config/pa/quadlib.c: Add prototypes.
2460 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2462 * bitmap.h (debug_bitmap): Delete redundant prototype.
2464 * rtl.h (get_frame_size): Likewise.
2466 2001-04-12 Jim Wilson <wilson@redhat.com>
2468 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
2469 to just emit an fnorm.
2471 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2473 * c-common.h (truthvalue_conversion, type_for_mode,
2474 type_for_size): Delete redundant declarations.
2476 * c-lex.h (is_class_name): Likewise.
2478 * c-tree.h (pedantic, convert, getdecls, gettags,
2479 global_bindings_p, init_decl_processing, insert_block,
2480 maybe_build_cleanup, poplevel, print_lang_decl,
2481 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
2482 set_block, incomplete_type_error, build_function_call,
2483 lvalue_or_else, mark_addressable): Likewise.
2485 * expr.h (expand_tree_builtin): Likewise.
2487 2001-04-12 Mark Mitchell <mark@codesourcery.com>
2489 * invoke.texi: Document --param max-gcse-memory.
2491 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2493 * configure.in (errno): Check for declaration.
2494 * configure, config.in: Regenerated.
2496 * system.h (errno): Only declare if not already done.
2498 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2500 * recog.c (general_operand, immediate_operand,
2501 nonmemory_operand): Require CONST_INTs to be sign-extended
2502 values for their modes.
2504 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2506 * expmed.c (store_bit_field): Truncate CONST_INTs.
2507 (expand_mult_highpart, expand_divmod): Likewise.
2508 * expr.c (convert_modes, store_field): Likewise.
2509 * integrate.c (expand_inline_function): Use promote_mode() to
2510 determine whether to convert_modes() an argument as signed
2511 or unsigned.
2512 * optabs.c (expand_binop): Get CONST_INT operands
2513 sign-extended for their appropriate modes.
2514 * stmt.c (emit_case_nodes): Convert node values to the
2515 appropriate mode.
2516 (expand_end_case): Convert minval and range to the appropriate
2517 mode.
2518 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
2519 the iteration variable.
2520 * varasm.c (immed_double_const): Don't require words to be
2521 narrower than host wide ints to properly sign-extend
2522 CONST_INTs.
2524 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
2526 * sh.md (builtin_setjmp_receiver): New expander.
2528 2001-04-12 David Edelsohn <dje@watson.ibm.com>
2530 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
2531 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
2532 for generating CONST_INT and CONST_DOUBLE.
2534 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2536 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
2537 already sign-extended.
2538 (rs6000_emit_prologue): Make register iterator signed.
2539 (rs6000_emit_epilogue): Likewise.
2540 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
2541 and low.
2542 (movsf split, movdf split): Sign-extend CONST_INTs.
2543 (movdi splits): Likewise.
2545 2001-04-12 Kelley Cook <kelley.cook@home.com>
2547 * config-lang.in (lang_dirs): Add in zlib.
2549 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
2551 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
2552 operands that make it to RTL.
2554 2001-04-11 Stan Shebs <shebs@apple.com>
2556 Add Darwin (Mac OS X kernel) native support.
2557 * config.gcc (powerpc-*-darwin*): Add native bits.
2558 * config/darwin.c: New file, generic Darwin support functions.
2559 * config/darwin.h: New file, generic Darwin definitions.
2560 * config/darwin-protos.h: New file, generic Darwin prototypes.
2561 * rs6000/darwin.h: New file, Darwin for PowerPC.
2562 * rs6000/t-darwin: New file, Darwin makefile fragment.
2563 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
2564 (TARGET_MACHO): Ditto.
2565 (rs6000_abi): Add ABI_DARWIN.
2566 (RS6000_REG_SAVE): Add ABI_DARWIN case.
2567 (RS6000_SAVE_AREA): Ditto.
2568 (FP_ARG_MAX_REG): Ditto.
2569 (RETURN_ADDRESS_OFFSET): Ditto.
2570 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
2571 cases.
2572 (rs6000_emit_move): Add ABI_DARWIN cases.
2573 (print_operand): Ditto.
2574 (first_reg_to_save): Ditto.
2575 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
2576 (debug_stack_info): Ditto.
2577 (rs6000_emit_prologue): Ditto.
2578 (rs6000_emit_epilogue): Ditto.
2579 (output_profiler_hook): Ditto.
2580 (output_function_profiler): Ditto.
2581 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
2582 (output_mi_thunk): Add TARGET_MACHO case.
2583 (add_compiler_stub): Ditto.
2584 (output_compiler_stub): Ditto.
2585 (no_previous_def): Ditto.
2586 (output_call): Ditto.
2587 (machopic_output_stub): Ditto.
2588 (rs6000_machopic_legitimize_pic_address): Ditto.
2589 (toc_section): Ditto.
2590 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
2591 (macho_high): Ditto.
2592 (macho_low): Ditto.
2593 (movsi_low): Ditto.
2594 (load_macho_picbase): Ditto.
2595 (call): Add TARGET_MACHO case to modify function.
2596 (call_value): Ditto.
2597 (call_nonlocal_sysv): Add ABI_DARWIN case.
2598 (call_value_nonlocal_sysv): Ditto.
2599 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
2600 Add prototype.
2601 (machopic_output_stub): Ditto.
2602 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
2604 2001-04-11 Mark Mitchell <mark@codesourcery.com>
2606 * dwarf2out.c (modified_type_die): Don't create new types here.
2607 * tree.h (get_qualified_type): New function.
2608 (build_qualified_type): Adjust comment.
2609 * tree.c (get_qualified_type): New function.
2610 (build_qualified_type): Use it.
2612 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2614 * cpp.texi (-Wtraditional): Update description.
2616 * invoke.texi (-Wtraditional): Likewise.
2618 2001-04-11 Jim Wilson <wilson@redhat.com>
2620 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
2621 requires more than 64 bits of alignment.
2623 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
2625 * cpplib.c (do_line): Sanity check iff enable checking.
2627 2001-04-11 Richard Henderson <rth@redhat.com>
2629 * Makefile.in (insn-recog.o): Depend on toplev.h.
2630 (insn-emit.o, doloop.o): Likewise.
2631 * genrecog.c, genemit.c: Include toplev.h in generated file.
2632 * doloop.c: Include toplev.h.
2634 2001-04-11 Mark Mitchell <mark@codesourcery.com>
2636 * Makefile.in (gcse.o): Depend on params.h.
2637 * gcse.c: Include params.h.
2638 (gcse_main): Don't do GCSE if doing so will take inordinate
2639 amounts of memory.
2640 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
2641 * params.h (MAX_GCSE_MEMORY): New macro.
2643 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2645 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
2647 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
2649 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2651 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
2653 * real.h (ereal_atof, real_value_truncate, target_isnan,
2654 target_isinf, target_negative, assemble_real, debug_real): Delete
2655 redundant prototypes.
2657 * Makefile.in (ifcvt.o): Depend on toplev.h.
2659 * c-semantics.c: Include expr.h.
2661 * ifcvt.c: Include toplev.h.
2663 * expr.h (rtx_equal_p): Delete prototype.
2665 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
2666 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
2667 eliminate_constant_term, expand_complex_abs, find_single_use,
2668 make_tree, init_expr_once, init_optabs, supports_one_only):
2669 Likewise.
2671 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
2672 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
2673 expand_assignment, store_expr, emit_line_note_after,
2674 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
2676 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
2678 * sparc-protos.h: Delete redundant prototypes.
2680 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
2682 * reload.c (push_reload): Add condition missed in SUBREG byte
2683 offset patch.
2685 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2687 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
2689 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2691 * i386.md (floatsisf_sse): Fix output template
2692 * i386.c (ix86_expand_fp_movcc)
2694 * reg-stack.c (emit_pop_insn): Handle complex modes.
2695 (move_for_stack_reg): Emit proper move mode.
2696 (subst_stack_regs_pat): Handle complex modes.
2698 2001-04-11 Jakub Jelinek <jakub@redhat.com>
2700 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
2702 2001-04-10 Richard Henderson <rth@redhat.com>
2704 * libgcc2.h (__terminate_func_ptr): Remove typedef.
2705 (__pure_virtual, __terminate, __terminate_set_func,
2706 __default_terminate, __throw_type_match, __empty,
2707 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
2708 __eh_rtime_match, __unwinding_cleanup, __rethrow,
2709 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
2710 Remove prototypes of deleted functions.
2712 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2714 * c-typeck.c (convert_arguments): -Wtraditional now activates
2715 -Wconversion warnings, except for changes in signed-ness.
2716 Detect complex<->int & int<->complex conversions as well.
2718 * invoke.texi (-Wtraditional): Document it.
2720 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2722 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
2723 * flow.c (set_block_for_new_insns): Remove needless cast and
2724 properly check for unset block number.
2726 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
2728 * function.c (purge_single_hard_subreg_set): Only check REGNO if
2729 the subreg was a hard register. Pseudos are left as subregs.
2731 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2733 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
2734 (LIB2ADD_ST): New macro, pass it to mklibgcc.
2735 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
2736 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
2737 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
2739 2001-04-09 Bo Thorsen <bo@suse.co.uk>
2741 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
2743 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2745 * output.h (set_block_num): Missed it earlier, remove deprecated
2746 prototype.
2748 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2750 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
2751 (load_killed_in_block_p): Change bb parameter from int to basic_block.
2752 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
2753 (handle_rd_kill_set): Change bb parameter from int to basic_block.
2754 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
2755 (expr_killed_p): Change bb parameter from int to basic_block, pass
2756 basic_blocks instead of ints as parameters.
2757 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
2758 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
2759 from int to basic_block, pass basic_blocks instead of ints as parms.
2760 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
2761 parameter from int to basic_block, pass basic_blocks instead of ints.
2762 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
2763 (insert_insn_end_bb): Change bb parameter from int to basic_block,
2764 pass basic_blocks instead of ints.
2765 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
2766 basic_blocks instead of ints as parameters.
2767 (pre_delete): Pass basic_blocks instead of ints as parameters.
2768 (hoist_expr_reaches_here_p): Change bb parameter from int to
2769 basic_block, pass basic_blocks instead of ints.
2770 (hoist_code): Pass basic_blocks instead of ints as parameters.
2771 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
2772 Change bb parameter from int to basic_block.
2773 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
2774 (insert_insn_start_bb): Change bb parameter from int to basic_block,
2775 pass basic_blocks instead of ints.
2776 (insert_store): Pass basic_blocks instead of ints as parameters.
2777 (replace_store_insn, delete_store): Change bb parameter from int to
2778 basic_block, pass basic_blocks instead of ints.
2779 (store_motion): Pass basic_blocks instead of ints as parameters.
2781 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2783 * basic-block.h (set_new_block_for_insns): New Prototype.
2784 (set_block_num): Delete prototype.
2785 * flow.c (set_block_num): Remove obsolete function.
2786 (set_block_for_new_insns): Set BB for single or multiple insns.
2787 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
2788 (process_insn_end_bb): Use set_block_for_new_insns or
2789 set_block_for_insn instead of set_block_num.
2790 (pre_insert_copy_insn): Use set_block_for_new_insns.
2791 (update_ld_motion_stores): Use set_block_for_new_insns.
2792 (insert_insn_start_bb): Use set_block_for_new_insns.
2793 (replace_store_insn): Use set_block_for_new_insns.
2795 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2796 Jeff Law <law@redhat.com>
2798 * alias.c (get_addr): Externalize.
2799 (canon_true_dependence): New function. Behaves like true_dependance
2800 except it already assumes a MEM has been canonicalized.
2801 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
2802 * gcse.c (struct ls_expr): Add load/store expressions structure.
2803 (modify_mem_list, canon_modify_mem_list): New variable.
2804 (gcse_main): Initialize & finalize alias analysis. Use enhanced
2805 load motion and store motion if requested.
2806 (alloc_gcse_mem): Allocate space for modify_mem_list array.
2807 (free_gcse_mem): Free the modify_mem_list array.
2808 (oprs_unchanged_p): Use load_killed_in_block_p.
2809 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
2810 (mems_conflict_for_gcse_p): New function. Don't kill loads
2811 with stores to themselves if its in the load/store expression list.
2812 (load_killed_in_block_p): New function.
2813 (canon_list_insert): New Function.
2814 (record_last_mem_set_info): Keep a list of all instructions which
2815 can modify memory for each basic block.
2816 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
2817 (oprs_not_set_p): Use load_killed_in_block_p.
2818 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
2819 (expr_killed_p): Use load_killed_in_block_p.
2820 (compute_transp): Do not pessimize memory references.
2821 (pre_edge_insert): Update stores for a load motion expression.
2822 (one_pre_gcse_pass): Check loads/stores for extra load motion.
2823 (ldst_entry): Find or create a ldst_expr structure.
2824 (free_ldst_entry): Free memory for an individual item.
2825 (free_ldst_mems): Free entire load/store expression list.
2826 (print_ldst_list): Print debug info.
2827 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
2828 (enumerate_ldsts): Assign integer values to each entry in list.
2829 (first_ls_expr): First expression in the list.
2830 (next_ls_expr): Next expression in the list.
2831 (simple_mem): Check if expression qualifies for ld/st expression list.
2832 (invalidate_any_buried_refs): Remove from expression list if its
2833 used in some other way we dont understand.
2834 (compute_ld_motion_mems): Find all potential enhanced load motion
2835 expression.
2836 (trim_ld_motion_mems): Remove any expressions which are invalid.
2837 (update_ld_motion_stores): Copy store values to registers for loads
2838 which have been moved.
2839 (regvec, st_antloc, num_store): New global statics.
2840 (reg_set_info): Marks registers as set.
2841 (store_ops_ok): Verfies registers expressions are valid in a block.
2842 (find_moveable_store): Look for moveable stores in a pattern.
2843 (compute_store_table): Find stores in a function worth moving, maybe.
2844 (load_kills_store): Check dependance of a load and store.
2845 (find_loads): Find any loads in a pattern.
2846 (store_killed_in_insn): Check if a store is killed in an insn.
2847 (store_killed_after): Check is store killed after an insn in a block.
2848 (store_killed_before): Check is store killed before an insn in a block.
2849 (build_store_vectors): Generate the antic and avail vectors.
2850 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
2851 (insert_store): Add a store to an edge.
2852 (replace_store_insn): Replace a store with a SET insn.
2853 (delete_store): Delete a store insn.
2854 (free_store_memory): Free memory.
2855 (store_motion): Perform store motion.
2856 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
2857 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
2858 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
2859 (f_options): Add gcse-lm and gcse-sm.
2861 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2863 * i386.c (expand_fp_movcc): Fix condition reversal code.
2865 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
2866 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
2867 (CLASS_MAX_NREGS): Use it.
2869 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
2870 handle properly complex values.
2871 (CLASS_MAX_NREGS): Likewise; update comment.
2873 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2875 * ia64.c (ia64_flag_schedule_insns2): New variable.
2876 (ia64_override_options): Initialize it. Clear
2877 flag_schedule_insns_after_reload.
2878 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
2880 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
2882 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
2883 Do not require source to match destination anymore;
2884 Add abort to the nontrivial cases that should be handled by split.
2885 (fix_trunc?fdi): Add SSE case for x86_64.
2886 (floatdi?f): Likewise.
2887 (floatdi?f_sse): New.
2888 (fix_trunc?fdi_sse): New.
2890 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
2892 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
2893 (DEBUG_ARANGES_END_LABEL): Ditto.
2894 (dwarfout_init): Generate length and version fields at the start
2895 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
2896 after the length field.
2897 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
2898 the .debug_aranges info.
2900 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2902 * i386.c (call, call_value): Make sure that resulting call_insn
2903 does have proper second operand.
2905 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
2907 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
2908 function. Remove include of sys/cygwin.h.
2910 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
2912 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
2913 (CPP_SPEC): Always search */include/w32api for header files.
2914 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
2915 (LINK_SPEC): Add "cyg" to the library search prefixes.
2917 2001-04-08 Philip Blundell <philb@gnu.org>
2919 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
2921 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
2923 * cpperror.c (print_location): Don't special case <stdin>.
2924 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
2925 WARNING, but we don't check if we're in system headers.
2926 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
2927 * cpplib.c (do_warning): Warn in system headers.
2929 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
2931 * mbchar.c: Include config.h first.
2933 2001-04-07 Zack Weinberg <zackw@stanford.edu>
2935 * config.gcc: Set default for xmake_file at top, not bottom.
2936 Change places that set xmake_file to "none" to set to the
2937 empty string instead, or remove them entirely if there is no
2938 default xmake_file for this cpu_type. Remove references to
2939 deleted files.
2941 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
2942 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
2943 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
2944 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
2945 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
2946 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
2947 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
2948 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
2949 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
2950 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
2951 Delete.
2953 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
2954 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2955 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2956 config/mips/x-sysv, config/rs6000/x-aix31:
2957 Just set CLIB to -lld or -lmld, as appropriate.
2959 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
2960 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
2961 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
2962 config/mips/x-iris, config/pa/x-pa:
2963 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
2964 OTHER_FIXINCLUDES_DIRS.
2966 * config/i386/x-djgpp: Don't set LN or LN_S.
2967 * config/m88k/x-dolph: Don't define __m88k__.
2968 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
2969 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
2970 * config/i860/fx2800.h: No need to #undef SVR4.
2972 38 x-host fragments remain, 2 x-cpu.
2974 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2976 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
2978 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2980 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
2982 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2984 * configure.in: Add check for lstat.
2985 * configure, config.in: Regenerate.
2986 * cppinit.c (append_include_chain): Make empty path ".".
2987 * cpplib.c (do_line): Don't simplify #line paths.
2988 * cppfiles.c (remove_component_p): New function.
2989 (find_or_create_entry): Acknowledge stat () errors during
2990 path simplification.
2991 (handle_missing_header): Don't simplify paths.
2992 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
2993 the empty path untouched. Don't leave a trailing '/'.
2995 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
2997 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2998 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3000 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3002 * cppfiles.c (open_file): Fail directories silently, but
3003 with an errno of NOENT set.
3004 (read_include_file): Move the common exit code to the sole
3005 caller. Return an int indicating success or failure. Let
3006 open_file handle directories.
3007 (stack_include_file): If read_include_file fails,
3008 push a "null" buffer.
3010 2001-04-05 DJ Delorie <dj@redhat.com>
3012 * function.h (virtuals_instantiated): Declare.
3013 * function.c: (virtuals_instantiated): Make global.
3014 * calls.c (emit_library_call_value_1): Use
3015 virtual_outgoing_args_rtx only if it hasn't been instantiated.
3016 Otherwise, use the stack pointer directly.
3018 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3020 * i386.c (x86_initialize_trampoline): New global function.
3021 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
3022 (INITIALIZE_TRAMPOLINE): Move offline.
3023 * i386-protos.h (x86_initialize_trampoline): Declare.
3025 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3027 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
3028 (lea_0): Rename to lea_1.
3029 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
3030 (lea_general_?): Allow SImodes on TARGET_64BIT
3031 (lea_general_?_zext): New patterns.
3032 (call_1, call_1_rex64): Fix.
3034 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3036 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
3038 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
3040 * i386.c (function_arg): Return constm1_rtx for last argument.
3041 (ix86_expand_prologue): Update gen_call calls.
3042 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
3043 * i386.md (call_pop): Likewise.
3044 (call): Second operand is VOIDmode.
3045 (call_0): Likewise; Support 64bits.
3046 (call_exp): New expander.
3047 (call_1): Get to the sync.
3048 (call_1_exp): New pattern.
3049 (call_value): Support 64bit.
3050 (call_value_exp): New pattern.
3051 (untyped_call): Update gen_call call.
3052 (call_value_pop): Disable for 64bit.
3053 (call_value_0_rex64): New pattern.
3054 (call_value_1_rex64): Likewise.
3056 2001-04-05 Bo Thorsen <bo@suse.de>
3058 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
3060 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
3062 * i386.md (*andsi_1+3): If used after reload, make sure the operand
3063 satisfies ANY_QI_REG_P.
3065 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3067 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
3068 ASM_OPERAND.
3070 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
3071 change.
3073 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3075 * config.gcc: Remove default for xm_file. Clean up local
3076 machine type handling. Remove settings of xm_file to
3077 something that doesn't exist. In the big switch, set xm_file,
3078 don't append to it (the value before the big switch is always
3079 null). Don't force build_xm_file or host_xm_file to have a value.
3080 * configure.in: Remove default for xm_file. Do not special
3081 case $cpu/xm-$cpu.h not existing.
3082 * configure: Regenerate.
3084 2001-04-04 Diego Novillo <dnovillo@redhat.com>
3086 * simplify-rtx.c (simplify_binary_operation): Check for overflow
3087 when folding integer division and modulo operations.
3089 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
3091 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
3092 instead of DWARF2_ADDR_SIZE for EH addresses.
3093 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
3094 EH addresses.
3096 2001-04-04 Richard Henderson <rth@redhat.com>
3098 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
3099 * config/ia64/t-glibc (LIB2ADDEH): Disable.
3100 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
3102 2001-04-04 Richard Henderson <rth@redhat.com>
3104 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
3105 * configure: Rebuilt.
3107 2001-04-04 Jakub Jelinek <jakub@redhat.com>
3109 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
3110 push insns to delete to it instead of deleting them.
3111 (delete_null_pointer_checks): Delete insns from delete_list after
3112 all delete_null_pointer_checks_1 passes are done.
3114 2001-04-04 Richard Henderson <rth@redhat.com>
3116 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
3117 * configure: Rebuilt.
3119 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3121 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
3122 * config/romp/xm-romp.h: Delete.
3124 2001-04-04 Bernd Schmidt <bernds@redhat.com>
3126 * sched-deps.c (sched_analyze_insn): Partially revert March 27
3127 change.
3129 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3131 * emit-rtl.c (mark_label_nuses) Increment the label uses for
3132 all labels present in rtx.
3133 (try_split) Call new function for all split insns.
3135 2001-04-04 Jakub Jelinek <jakub@redhat.com>
3137 * recog.c (validate_replace_rtx_1): Instead of aborting just make
3138 sure the change won't be validated.
3140 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
3142 * rtl.h (set_noop_p): Declare.
3143 * flow.c (set_noop_p): Move from here ...
3144 * rtlanal.c (set_noop_p): ... to here and enhance.
3145 * cse.c (delete_trivially_dead_insns): Use it.
3146 * gcse.c (hash_scan_set): Likewise.
3147 * jump.c (delete_noop_moves): Likewise.
3148 * recog.c (split_all_insns): Likewise.
3150 2001-04-04 Alan Modra <alan@linuxcare.com.au>
3152 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
3153 stack pointer via a LO_SUM. Ditto for setting a temp register
3154 used to save to the stack. Set cfa_temp when setting fp, and
3155 allow matches to cfa_temp in addition to cfa_store when saving
3156 regs. Handle POST_INC and LO_SUM register stores. Document the
3157 changes and errors in rule 12 doco.
3159 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
3160 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
3161 (load_reg): Move closer to epilogue code.
3162 (DO_FRAME_NOTES): Define to control the following..
3163 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
3164 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
3165 notes as necessary.
3166 (hppa_expand_epilogue): Likewise.
3168 2001-04-03 Richard Henderson <rth@redhat.com>
3170 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
3171 * configure: Rebuild.
3173 2001-04-03 Richard Henderson <rth@redhat.com>
3175 * rtl.h (LCT_THROW): New.
3176 * calls.c (emit_library_call_value_1): Handle it.
3177 * except.c (connect_post_landing_pads): Use it.
3179 2001-04-03 Zack Weinberg <zackw@stanford.edu>
3181 * gansidecl.h: Delete file.
3182 * configure.in: Change all refs to gansidecl.h to use
3183 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
3184 lives.
3185 * configure: Regenerate.
3187 * Makefile.in (intl.o): Don't depend on gansidecl.h.
3188 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
3189 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
3190 Don't include gansidecl.h.
3191 * intl.c, main.c, version.c, fixinc/fixlib.h,
3192 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
3193 gansidecl.h.
3195 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3197 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
3198 Update for 64bit.
3200 2001-04-03 Zack Weinberg <zackw@stanford.edu>
3202 * config/i386/xm-beos.h, config/i386/xm-isc.h,
3203 config/i386/xm-next.h, config/i386/xm-sco.h,
3204 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
3205 config/m88k/xm-m88k.h: Delete.
3207 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
3208 * config/romp/xm-romp.h: Don't define bcopy.
3209 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
3210 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
3212 * config.gcc: Remove references to deleted files.
3214 14 xm-host.h remain, 1 xm-cpu.h.
3216 2001-04-03 Jakub Jelinek <jakub@redhat.com>
3217 David S. Miller <davem@pierdol.cobaltmicro.com>
3218 Andrew MacLeod <amacleod@redhat.com>
3220 Use byte offsets in SUBREGs instead of words.
3222 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
3223 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
3224 to pass new argument.
3225 (add_stored_regs): Use subreg_regno_offset function.
3226 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
3227 into account.
3228 (precompute_arguments): Use gen_lowpart_SUBREG.
3229 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
3230 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
3231 (simplify_set): Rework to use SUBREG_BYTE.
3232 (expand_field_assignment): Use SUBREG_BYTE.
3233 (make_extraction): Use SUBREG_BYTE.
3234 (if_then_else_cond): Use SUBREG_BYTE.
3235 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
3236 (gen_lowpart_for_combine): Compute full byte offset.
3237 * cse.c (mention_regs): Use SUBREG_BYTE.
3238 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
3239 (canon_hash): Use SUBREG_BYTE.
3240 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
3241 (gen_lowpart_if_possible): Formatting.
3242 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
3243 correctly.
3244 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
3245 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3246 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3247 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
3248 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3249 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3250 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
3251 certain invariants about SUBREGs the compiler creates.
3252 (gen_lowpart_SUBREG): New function.
3253 (subreg_hard_regno): New function to get the final register number.
3254 (gen_lowpart_common): Use SUBREG_BYTE.
3255 (gen_imagpart): Spacing nits.
3256 (subreg_realpart_p): Use SUBREG_BYTE.
3257 (gen_highpart): Use SUBREG_BYTE.
3258 (subreg_lowpart_p): Always compute endian corrected goal offset,
3259 even at the byte level, then compare against that.
3260 (constant_subword): New function, pulled out all constant cases
3261 from operand_subword and changed second argument name to offset.
3262 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
3263 and call constant_subword to do the work. Return const0_rtx if
3264 looking for a word outside of OP.
3265 (operand_subword_force): Change second arg name to offset.
3266 * expmed.c (store_bit_field): Use SUBREG_BYTE.
3267 (store_split_bit_field): Use SUBREG_BYTE.
3268 (extract_bit_field): Use SUBREG_BYTE.
3269 (extract_split_bit_field): Use SUBREG_BYTE.
3270 (expand_shift): Use SUBREG_BYTE.
3271 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
3272 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
3273 * flow.c (set_noop_p): Use SUBREG_BYTE.
3274 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
3275 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
3276 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
3277 correction code.
3278 (optimize_bit_field): Use SUBREG_BYTE.
3279 (purge_addressof_1): Use SUBREG_BYTE.
3280 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
3281 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
3282 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
3283 * gengenrtl.c (special_rtx): Add SUBREG.
3284 * global.c (mark_reg_store): Use SUBREG_BYTE.
3285 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
3286 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
3287 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
3288 final byte offset is congruent to subreg's mode size.
3289 (subst_constants): Use SUBREG_BYTE.
3290 (mark_stores): Use subreg_regno_offset function.
3291 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
3292 function and SUBREG_BYTE.
3293 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
3294 (reg_is_born): Use subreg_hard_regno.
3295 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
3296 endian correction code. Don't combine subregs unless resulting
3297 offset aligns with type. Fix subreg constant extraction for DImode.
3298 Simplify SUBREG of VOIDmode CONST_DOUBLE.
3299 (general_operand): Remove dead mode_altering_drug code.
3300 (indirect_operand): Use SUBREG_BYTE.
3301 (constrain_operands): Use subreg_regno_offset function.
3302 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
3303 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
3304 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
3305 * regs.h (REG_SIZE): Allow target to override.
3306 (REGMODE_NATURAL_SIZE): New macro which target can override.
3307 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
3308 on the entire subreg rtx.
3309 (push_reload): Use SUBREG_BYTE in comments and code.
3310 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
3311 for hard registers inside subregs.
3312 (operands_match_p): Use subreg_regno_offset.
3313 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
3314 containing hard regs.
3315 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
3316 corrections when fixing up MEM subregs.
3317 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
3318 subreg_regno_offset where appropriate.
3319 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
3320 byte endian corrections when fixing up MEM subregs.
3321 (subst_reloads): When combining two subregs, make sure final
3322 offset is congruent to subreg's mode size.
3323 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
3324 (refers_to_regno_for_reload_p): Use subreg_regno.
3325 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
3326 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
3327 correction code for memory subreg fixups.
3328 (forget_old_reload_1): Use subreg_regno_offset.
3329 (choose_reload_regs): Use subreg_regno.
3330 (emit_input_reload_insns): Use SUBREG_BYTE.
3331 (reload_combine_note_store): Use subreg_regno_offset.
3332 (move2add_note_store): Use subreg_regno_offset.
3333 * resource.c (update_live_status, mark_referenced_resources): Use
3334 subreg_regno function.
3335 (mark_set_resources): Use subreg_regno function.
3336 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
3337 (subreg_regno_offset, subreg_regno): Define prototypes.
3338 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
3339 (gen_lowpart_SUBREG): Add prototype.
3340 * rtl.texi (subreg): Update to reflect new byte offset representation.
3341 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
3342 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
3343 (reg_overlap_mentioned_p): Use subreg_regno.
3344 (replace_regs); Make sure final offset of combined subreg is
3345 congruent to size of subreg's mode.
3346 (subreg_regno_offset): New function.
3347 (subreg_regno): New function.
3348 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
3349 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
3350 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
3351 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
3352 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
3353 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
3354 (a29k_get_reloaded_address): Use SUBREG_BYTE.
3355 (print_operand): Use SUBREG_BYTE.
3356 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
3357 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
3358 (arm_reload_out_hi): Use SUBREG_BYTE.
3359 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
3360 instead of SUBREG_WORD.
3361 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
3362 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
3363 SUBREG creation to use byte offset.
3364 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
3365 inverted load insns): Fix explicit rtl subregs to use byte
3366 offsets.
3367 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
3368 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
3369 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
3370 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
3371 to use byte offsets.
3372 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
3373 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
3374 offsets, also make sure it is congruent to SUBREG's mode size.
3375 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
3376 unnamed ldob insn): Generate SUBREGs with byte offset.
3377 (zero_extendqihi2): SUBREG's are byte offsets.
3378 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
3379 (m68hc11_gen_highpart): Use SUBREG_BYTE.
3380 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
3381 zero-extendqisi2): Generate SUBREGs with byte offset.
3382 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
3383 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
3384 subregs in rtl to use byte offsets.
3385 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
3386 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
3387 (mips_move_2words): Use subreg_regno_offset.
3388 (mips_secondary_reload_class): Use subreg_regno_offset.
3389 * config/mips/mips.md (DImode plus, minus, move, and logical op
3390 splits): Fixup explicit subregs in rtl to use byte offsets.
3391 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
3392 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
3393 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
3394 rtl to use byte offsets.
3395 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
3396 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
3397 subregs to use byte offsets.
3398 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
3399 Fixup explicit subregs in rtl to use byte offsets.
3400 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
3401 and remove byte endian correction code.
3402 * config/sh/sh.c (output_movedouble): Use subreg_regno.
3403 (gen_ashift_hi): Use SUBREG_BYTE.
3404 (regs_used): Use subreg_regno_offset.
3405 (machine_dependent_reorg): Use subreg_regno_offset.
3406 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
3407 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
3408 (movdf_i4): Subregs are byte offsets now.
3409 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
3410 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
3411 (REGMODE_NATURAL_SIZE): Override.
3412 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
3413 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
3414 with byte offsets.
3415 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
3416 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
3417 extendqidi2): Generate SUBREGs with byte offsets, also make sure
3418 it is congruent to SUBREG's mode size.
3419 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
3420 offsets.
3421 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
3422 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
3423 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
3424 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
3425 * config/v850/v850.c (print_operand, output_move_double): Use
3426 subreg_regno function.
3428 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
3430 * configure.in (target_subdir): Use target_alias, not target.
3431 * configure: Rebuilt.
3433 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
3434 other way round.
3435 * config/sh/crti.asm: Fix typos in comments.
3437 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3439 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
3440 TARGET_FAST_INDIRECT_CALLS.
3441 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
3442 -fPIC. Don't warn.
3443 (return_addr_rtx): Short circuit export stub matching when
3444 TARGET_NO_SPACE_REGS.
3445 (output_millicode_call): For out of range calls, make -fPIC
3446 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
3447 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
3448 * pa.md: Modify length attr calculation of all millicode insns to
3449 match above.
3451 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
3453 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
3454 Require at least 2.11 in the version test. Specifically check
3455 for and reject GAS version 2.10.90.
3456 * configure: regenerate.
3458 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3460 * pa.c (override_options): Remove PIC profiling warning.
3461 (hp_profile_labelno): Delete.
3462 (hp_profile_label_rtx): Delete.
3463 (hp_profile_label_name): Delete.
3464 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
3465 (output_function_prologue): Remove profiling code and all tests on
3466 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
3467 merge_sp_adjust_with_store can work for PIC and profiling.
3468 (hppa_expand_epilogue): Remove profile_flag test.
3469 (hppa_can_use_return_insn_p): Likewise.
3470 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
3471 cater for PROFILE_HOOK.
3472 (hppa_profile_hook): New function.
3473 * pa.h (FUNCTION_PROFILER): Now does nothing.
3474 (PROFILE_HOOK): Define.
3475 (hppa_profile_hook): Declare.
3476 (PROFILE_BEFORE_PROLOGUE): Delete.
3477 (ASM_OUTPUT_REG_PUSH): Delete.
3478 (ASM_OUTPUT_REG_POP): Delete.
3479 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
3480 r24. Accept function name operand, and use this and a locally
3481 generated label to calculate pc-rel offset to func start.
3483 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3485 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
3486 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
3487 $(SYSTEM_H).
3489 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3491 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
3492 LO_SUM cases to where they belong.
3494 2001-04-02 Richard Henderson <rth@redhat.com>
3496 * except.h (lang_eh_type_covers): Mark extern.
3497 (lang_eh_runtime_type): Likewise.
3499 2001-04-02 Zack Weinberg <zackw@stanford.edu>
3501 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
3502 gengenrtl.c: Wrap generated header in multiple-include guard.
3503 Improve error checking.
3505 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3507 * configure.in: Don't check for putenv.
3508 * configure: Regenerate.
3509 * gcc.c (putenv): Don't define.
3510 * vax/xm-vms.h: Handle putenv.
3512 2001-04-02 Jakub Jelinek <jakub@redhat.com>
3514 * ifcvt.c (noce_emit_move_insn): New.
3515 (noce_try_store_flag, noce_try_store_flag_constants,
3516 noce_try_store_flag_inc, noce_try_store_flag_mask,
3517 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
3518 noce_try_abs): Use it.
3519 (noce_process_if_block): Likewise.
3520 For STRICT_LOW_PART, take mode from its SUBREG.
3522 2001-04-02 Jakub Jelinek <jakub@redhat.com>
3524 * fold-const.c (fold): Before optimizing unsigned comparison with
3525 0x7fffffffU, make sure arg0 is integral type.
3527 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
3529 * c-tree.texi: Document representation of wide strings.
3531 2001-04-01 Richard Henderson <rth@redhat.com>
3533 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
3535 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
3537 * i386.md: remove obsoleted comments.
3538 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
3539 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
3540 fix output template.
3542 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
3544 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
3546 2001-03-30 Bernd Schmidt <bernds@redhat.com>
3548 * loop.c (load_mems): When generating a load from a pseudo, update
3549 REGNO_LAST_UID.
3551 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3553 * i386.c (ix86_split_long_move): Use change address to compensate
3554 stack pointer change in push instruction.
3556 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3558 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
3559 instead of rtx_equal_p; fix the output template.
3561 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3563 * i386.c (ix86_expand_setcc): Support 64bit.
3564 (ix86_expand_int_movcc): Likewise.
3565 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
3566 New patterns.
3568 * i386.md (allocate_stack_worker): Turn to expander.
3569 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
3571 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
3573 2001-03-29 Richard Henderson <rth@redhat.com>
3575 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
3577 2001-03-28 Matthew Hiller <hiller@redhat.com>
3579 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
3580 output template.
3582 * MAINTAINERS: Added self.
3584 2001-03-28 Richard Henderson <rth@redhat.com>
3586 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
3587 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
3589 2001-03-28 Jim Wilson <wilson@redhat.com>
3591 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
3592 operand_subword.
3594 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3596 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
3598 * tradcif.y (yyerror): Likewise. Add format specifier in call to
3599 `error'.
3601 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
3603 2001-03-28 DJ Delorie <dj@redhat.com>
3605 * Makefile.in (stage1_build): Revert CFLAGS patch.
3607 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
3609 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
3610 when multiplier or multiplicand is zero.
3612 2001-03-28 Bernd Schmidt <bernds@redhat.com>
3614 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
3616 * config/ia64/ia64.c (update_set_flags): New function, broken out of
3617 rtx_needs_barrier.
3618 (set_src_needs_barrier): Likewise.
3619 (rtx_needs_barrier): For SET case, use these two functions. Rework
3620 PARALLEL case to handle all inputs before all outputs.
3621 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
3622 saw a label and no stop bit since then.
3623 (maybe_rotate, process_epilogue): Add prototypes.
3625 2001-03-28 Richard Henderson <rth@redhat.com>
3627 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
3628 not TARGET_TOC for special toc restore handling.
3629 * config/rs6000/rs6000.md (eh_return): Likewise.
3631 2001-03-28 Richard Henderson <rth@redhat.com>
3633 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
3634 current_function_calls_eh_return.
3635 (output_function_epilogue): Handle eh_return.
3636 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
3637 (EH_RETURN_DATA_REGNO): New.
3638 (EH_RETURN_STACKADJ_RTX): New.
3639 (EH_RETURN_HANDLER_RTX): New.
3640 * config/sparc/sparc.md (call/short branch peepholes): Check
3641 can_throw_internal instead of in_same_eh_region.
3643 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
3644 for eh_return data registers.
3645 (rs6000_emit_prologue): Save eh_return data registers.
3646 (rs6000_emit_epilogue): Force inline restores if eh_return.
3647 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
3648 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
3649 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
3650 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
3651 the target uses one.
3652 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
3653 (return_eh_si, return_eh_di): Remove.
3654 (eh_return): New, from corpse of eh_epilogue.
3655 (eh_set_lr_si, eh_set_lr_di): New.
3657 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
3658 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
3659 True for pic register if current_function_calls_eh_return.
3660 (ix86_expand_epilogue): Change "emit_return" argument into "style".
3661 Handle eh_return requirements.
3662 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
3663 (EH_RETURN_STACKADJ_RTX): New.
3664 * config/i386/i386.md (exception_receiver): Remove.
3665 (eh_return, eh_return_1): New.
3666 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3668 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
3669 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
3670 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
3671 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
3672 (EH_RETURN_DATA_REGNO): New.
3673 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
3674 * config/alpha/alpha.md (eh_epilogue): Remove.
3675 (exception_receiver): Use $26 for ldgp input.
3676 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3678 2001-03-28 Richard Henderson <rth@redhat.com>
3680 * except.c: Rewrite entirely for IA-64 ABI exception handling.
3681 * except.h: Likewise.
3683 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
3684 (LIB2ADDEHDEP): New.
3685 (LIB2FUNCS_EH): Remove.
3686 (LIB2ADD): Remove LIB2ADDEH.
3687 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
3688 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
3689 (crt{begin,end}[S].o): Likewise.
3690 (except.o): Update includes.
3691 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
3692 (libgcc2_c_dep): Use LIB2ADDEHDEP.
3694 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
3695 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
3696 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
3697 * builtins.c (expand_builtin): Implement it.
3698 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
3699 * c-common.c (c_common_nodes_and_builtins): Declare it.
3700 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
3701 * calls.c (libfunc_nothrow): Remove.
3702 (emit_library_call_value_1): Don't call it.
3703 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
3704 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
3705 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
3706 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
3707 (current_funcdef_number): Globalize.
3708 (output_call_frame_info): Emit frame data if an lsda is needed.
3709 Generate augmentation for personality routine. Don't play with
3710 difference symbols.
3711 (dwarf2out_begin_prologue): Record funcdef_number.
3712 * dwarf2out.h (current_funcdef_number): Declare.
3713 * expr.c (expand_expr): Update for except.h name changes.
3714 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
3715 * expr.h (LTI_throw, LTI_rethrow): Remove.
3716 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
3717 (LTI_eh_rtime_match): Remove.
3718 (LTI_unwind_resume, LTI_eh_personality): Add.
3719 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
3720 * final.c (final): Don't call check_exception_handler_labels,
3721 init_insn_eh_region, or free_insn_eh_region.
3722 (final_scan_insn): Always emit debug labels for
3723 NOTE_INSN_EH_REGION notes.
3724 * flags.h (flag_new_exceptions): Remove.
3725 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
3726 (record_active_eh_regions): Remove.
3727 (count_basic_blocks): Check all instructions for REG_EH_REGION.
3728 Use can_throw_internal.
3729 (find_basic_blocks_1): Likewise.
3730 (move_stray_eh_region_notes): Remove.
3731 (find_label_refs): No eh_return_stub_label.
3732 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
3733 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
3734 changes.
3735 (delete_unreachable_blocks): Don't track deleted handlers.
3736 (flow_delete_block): Use maybe_remove_eh_handler.
3737 (delete_eh_regions): Remove.
3738 (merge_blocks): Don't check for eh region match.
3739 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
3740 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
3741 (init_propagate_block_info): Disable dead frame store optimization
3742 when current_function_calls_eh_return.
3743 (dump_bb): Don't print eh_beg, eh_end.
3744 * function.c (fixup_var_refs): No catch_clauses.
3745 (expand_function_end): Likewise. Call expand_eh_return before
3746 the return register use. Call sjlj_emit_function_exit_after.
3747 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
3748 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
3749 * ifcvt.c (dead_or_predicable): Remove eh region check.
3750 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
3751 Don't check for EH vs parameters.
3752 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
3753 (expand_inline_function): Call duplicate_eh_regions.
3754 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
3755 (copy_insn_notes): Remap REG_EH_REGION notes.
3756 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
3757 * integrate.h (struct inline_remap): Add local_return_label.
3758 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
3759 check_exception_handler_labels, nor exception_optimize.
3760 (find_cross_jump): No EH region check.
3761 * optabs.c (init_optabs): Update for changed eh libfuncs.
3762 * rtl.def (RESX): New.
3763 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
3764 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
3765 checks. Update for except.h name changes.
3766 (expand_cleanups): Likewise.
3767 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
3768 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
3769 (compile_file): Call init_eh before init_optabs. Don't
3770 output_exception_table here.
3771 (rest_of_compilation): Call convert_from_eh_region_ranges,
3772 convert_to_eh_region_ranges, output_function_exception_table.
3773 Don't emit_eh_context.
3774 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
3775 (EXC_PTR_EXPR): New.
3777 * md.texi (eh_epilogue): Remove.
3778 (eh_return): Document.
3779 * tm.texi (EH_RETURN_DATA_REGNO): Document.
3780 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
3782 * eh-common.h: Remove file.
3783 * frame-dwarf2.c, frame.c, frame.h: Remove files.
3784 * libgcc2.c (L_eh): Remove.
3786 * unwind-dw2-fde.c: New file, largely copied from frame.c.
3787 * unwind-dw2-fde.h: New file.
3788 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
3789 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
3790 * libgcc-std.ver: Update for eh symbols.
3792 2001-03-27 Richard Henderson <rth@redhat.com>
3794 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
3795 reduce false positives.
3796 (regmove_optimize): Disable if flag_non_call_exceptions.
3798 * stmt.c (expand_return): Remove always true predicate.
3799 (expand_decl_cleanup_no_eh): Remove dead code.
3801 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
3802 barrier code. Add a scheduling barrier if a non-call insn
3803 can throw internally.
3805 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
3806 Auto-inc addresses trap only if their base register does.
3808 * except.c (can_throw_internal): Rename from can_throw.
3809 * except.h, resource.c: Update references.
3811 * integrate.c (copy_insn_list): Use returnjump_p.
3812 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
3814 * function.h (struct function): Move all boolean valued fields
3815 to single bit fields at the end of the struct.
3817 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
3818 jump.c, toplev.c:
3819 Rename asynchronous_exceptions to flag_non_call_exceptions.
3821 * gthr-single.h (UNUSED): New. Distinguish between how C
3822 and C++ mark unused function arguments. Use throughout.
3824 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
3825 value to target configuration header.
3826 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
3827 * config.in, configure: Rebuild.
3828 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
3829 configuration and target defines.
3830 (exceptions_via_longjmp): Remove.
3831 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
3832 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
3834 * except.h (flag_non_call_exceptions): Move ...
3835 * flags.h: ... here.
3837 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
3838 exceptions, put the note on the trapping instruction.
3840 * flags.h (flag_new_exceptions): Remove.
3841 * toplev.c: Don't set it.
3842 * final.c: Don't check it.
3843 * except.c: Provide stub definition.
3845 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
3846 (calculate_global_regs_live): Kill call-clobbered registers
3847 across exception edges.
3848 * reg-stack.c (convert_regs_1): Kill the entire target stack
3849 across non-call exception edges.
3851 * flow.c (cleanup_cfg): Take no argument.
3852 * output.h, sibcall.c, toplev.c: Update all calls.
3854 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3856 * configure.in: Don't check for bcopy.
3857 * configure, config.in: Regenerate.
3859 * system.h: Don't define or prototype bcopy, instead poison it.
3861 2001-03-27 Richard Henderson <rth@redhat.com>
3863 * function.c (expand_function_start): Set DECL_REGISTER on
3864 a pseudo used for DECL_RESULT.
3866 * rtl.h (LCT_NORETURN): New.
3867 * calls.c (emit_library_call_value_1): Handle it.
3869 2001-03-27 Stan Shebs <shebs@apple.com>
3871 * objc/objc-act.c (objc_init): Use dump_base_name.
3872 (gen_declaration): Clear the buffer arg.
3873 (gen_declaration_1): New function, body of gen_declaration.
3874 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
3875 (gen_method_decl): Ditto, plus always clear buffer arg.
3876 (error_with_ivar): Simplify.
3877 (warn_with_method): Ditto.
3878 (build_message_expr): Don't clear buffers.
3879 (dump_interface): Ditto.
3880 (objc_debug): Ditto.
3881 (build_keyword_selector): Clear the buffer by only zeroing
3882 the first element.
3883 (objc_implementation_context): Declare.
3884 (start_class): Warn about missing @end.
3885 (finish_objc): Ditto.
3887 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
3889 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
3891 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3893 * Makefile.in (SYSTEM_H): Define.
3894 Depend on $(SYSTEM_H), not system.h.
3896 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
3898 2001-03-27 Jim Wilson <wilson@redhat.com>
3900 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
3901 IA64_UNWIND_EMIT.
3902 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
3903 (process_epilogue): New static function.
3904 (process_set): Call process_epilogue instead of emitting .restore
3905 directly.
3906 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
3908 * flow.c (struct reg_cond_life_info): New fields orig_condition
3909 and stores.
3910 (init_propagate_block_info): Set new fields.
3911 (mark_regno_cond_dead): Set and use new fields.
3912 (flush_reg_cond_reg_1): Likewise.
3913 (and_reg_cond, case AND): Check for redundant AND conditions.
3914 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
3915 Set new fields.
3917 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
3919 * cppmacro.c (stringify_arg): Null terminate strings.
3921 2001-03-27 Zack Weinberg <zackw@stanford.edu>
3923 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
3924 inclusion style. xm-m68hc11.h no longer exists.
3925 * config/m68hc11/xm-m68hc11.h: Delete file.
3926 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
3928 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
3929 Don't define GCC_VERSION, N_, or PARAMS; don't include
3930 gansidecl.h or stdio.h. Define inhibit_libc here.
3931 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3932 Delete code conditioned on #if GCC_VERSION == 2095.
3934 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
3935 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3936 Delete code conditioned on #if GCC_VERSION == 2095.
3938 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3940 * system.h: Include symcat.h.
3941 (STRINGIFY): Don't define.
3943 * configure.in: Adjust comment.
3945 * builtins.c: Use STRINGX, not STRINGIFY.
3946 * gencheck.c: Likewise.
3947 * gengenrtl.c: Likewise.
3948 * protoize.c: Likewise.
3950 * cpplex.c: Don't include symcat.h.
3951 * cpplib.c: Likewise.
3953 * gansidecl.h (HAVE_STRINGIZE): Don't define.
3955 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3957 * c-typeck.c (digest_init): Fold init expression.
3959 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3961 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
3963 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3965 * except.c (eh_regs): Save results of build_pointer_type to a temp
3966 as FUNCTION_VALUE macro may evaluate its args multiple times.
3968 2001-03-26 Mark Mitchell <mark@codesourcery.com>
3970 * c-common.h (DECL_NUM_STMTS): New macro.
3971 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
3972 DECL_FRAME_SIZE.
3973 (pushdecl): Likewise.
3974 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
3975 * integrate.c (expand_inline_function): Don't check
3976 DECL_FRAME_SIZE.
3977 * print-tree.c (print_node): Don't print it.
3978 * toplev.c (rest_of_compilation): Don't try to inline when
3979 flag_no_inline is on.
3980 * tree.h (DECL_FRAME_SIZE): Remove.
3981 (tree_decl): Adjust accordingly.
3983 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3985 * combine.c (try_combine): Use memcpy, not bcopy.
3987 * genattrtab.c (expand_units): Likewise.
3989 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
3991 * i386.md (push mem DI peep2): New.
3992 (mov 0, mov -1 peep2): Handle 64bit.
3993 (lea to arithmetics peep2): Handle 64bit leas.
3994 (rsp arithmetics to push/pop peep2s): New.
3996 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
3998 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
4000 * i386.c (struct machine_function): Add save_varrargs_registers.
4001 (ix86_save_varrargs_registers): New macro.
4002 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
4003 (ix86_expand_prologue): Likewise.
4004 (ix86_emit_epilogue_esp_adjustement): Likewise.
4005 (ix86_expand_epilogue): Likewise.
4006 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
4007 (pro_epilogue_adjust_stack_1): New insn.
4008 (pro_epilogue_adjust_stack_rex64): Likewise.
4009 * i386.h (MASK_NO_RED_ZONE): New constant.
4010 (TARGET_RED_ZONE): New macro.
4011 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
4012 (RED_ZONE_SIZE): New constant.
4013 (RED_ZONE_RESERVE): New constant.
4015 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4017 * toplev.c (set_float_handler): Use memcpy, not bcopy.
4019 2001-03-25 Kazu Hirata <kazu@hxi.com>
4021 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
4022 space.
4023 (modqi3): Likewise.
4024 (umodhi3): Likewise.
4025 (modhi3): Likewise.
4027 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4029 * mkconfig.sh (DEFINES): Handle entries with '='.
4031 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
4032 Set xm_defines to MACRO=value instead.
4034 * i370/xm-mvs.h: Delete.
4036 * ns32k/xm-pc532-min.h: Likewise.
4038 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
4040 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
4041 shiftdi_operand;
4042 use ix86_expand_binary_operator
4043 (?sh??i_?): Disable for 64bit.
4044 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
4045 * i386.c (shiftdi_operand): New predicate.
4047 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
4048 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
4049 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
4050 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
4051 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
4052 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
4053 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
4054 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
4055 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
4056 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
4057 (rotldi3, rotrdi3): New expanders.
4059 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4061 * i386.md (movstrsi): Move offline.
4062 (movstrdi): New.
4063 (strmovdi_rex64): New.
4064 (strmov?i): Accept 64bit.
4065 (strmov?i_rex64): New.
4066 (strmov?i_rex_1): New.
4067 (strmov?i_1): Disable for 64bit.
4068 (rep_mov?i_rex64): New.
4069 (rep_mov?i): Disable for 64bit.
4070 (clrstrsi): Move offline.
4071 (strset?i_rex64): New.
4072 (strset?i: Accept 64bit.
4073 (rep_stos?i): Disable for 64bit.
4074 (rep_stos?i_rex64): New.
4075 (strset?i_rex_1): New.
4076 (strset?i_1): Disable for 64bit.
4077 (cmpstrsi): Accept 64bit.
4078 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
4079 (cmpstrqi_nz_rex_1): New.
4080 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
4081 (strlensi): Move offline.
4082 (strlendi): New.
4083 (strlenqi_1): Disable for 64bit; fix constraints.
4084 (strlenqi_rex_1): New.
4085 * i386.c (ix86_adjust_counter): New static function.
4086 (ix86_zero_extend_to_Pmode): Likewise.
4087 (ix86_expand_aligntest): Likweise.
4088 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
4089 (ix86_expand_movstr): New global function.
4090 (ix86_expand_clrstr): New global function.
4091 (ix86_expand_strlen): New global function.
4092 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
4093 ix86_expand_strlen): Declare.
4094 (ix86_expand_strlensi_unroll_1): Delete.
4096 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
4098 * i386.md (cmpdi): Fix operand predicates.
4099 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
4100 cmpdi_1_insn_rex64): New patterns.
4101 (adddi3): Turn to expander.
4102 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
4103 (addsi3_carry_zext): New pattern.
4104 (adddi_?_rex64): New patterns and splitters.
4105 (addsi_?_zext): New patterns.
4106 (subsi3_carry_zext): New pattern.
4107 (subdi_?_rex64): New patterns and splitters.
4108 (iorsi_?_zext): New patterns.
4109 (iordi_?_rex64): New patterns and splitters.
4110 (iorsi_?_zext): New patterns.
4111 (iorsi_?_zext_imm): New patterns.
4112 (xorsi_?_zext): New patterns.
4113 (xordi_?_rex64): New patterns and splitters.
4114 (xorsi_?_zext): New patterns.
4115 (negdi*): New patterns.
4116 (one_cmpldi*): Likewise.
4117 (one_cmplsi*_zext, negsi*_zext): Likewise.
4118 (testqi_ext_3_rex64): New pattern.
4120 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
4122 * i386-protos.h (ix86_split_long_move): Return void.
4123 * i386.c (ix86_split_to_parts): Handle 64bit target.
4124 (ix86_split_long_move): Likewise.
4125 * i386.md (all calls to ix86_split_long_move): Update.
4127 2001-03-23 Richard Henderson <rth@redhat.com>
4129 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
4130 to avoid shadowing arguments.
4132 2001-03-23 Jakub Jelinek <jakub@redhat.com>
4134 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
4135 to variable names where DECL_NAME is different from
4136 DECL_ASSEMBLER_NAME.
4138 2001-03-23 Jim Wilson <wilson@redhat.com>
4140 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
4141 (assemble_alias): Call make_decl_rtl.
4143 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
4145 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
4147 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
4149 * extend.texi: Document the "java_interface" attribute.
4151 2001-03-22 Zack Weinberg <zackw@stanford.edu>
4153 * mkconfig.sh: Use a subshell with redirected stdout,
4154 instead of closing stdout and confusing commands that run
4155 afterward. Throw away output of cmp.
4157 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
4159 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
4161 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
4163 * i386.md (zero_extendsidi2_32): Break out from ...
4164 (zero_extendsidi2): ... here ; turn to expander.
4165 (zero_extendsidi2_rex64): New.
4166 (extendsidi2_32): Break out from ...
4167 (extendsidi2): ... here ; turn to expander.
4168 (extendsidi2_rex64): New.
4169 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
4170 (trunc?f?f splitters): Add 64bit versions.
4172 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
4174 * i386.md (pushsi, pushsi2_prologue): Disable.
4175 (pushsi2_rex64): New.
4176 (movabs?i_1_rex64, movabs?i_2_rex64): New.
4177 (movqi_ext_1): Disable for 64bit.
4178 (movqi_ext_1_rex64): New.
4179 (pushdi2_rex64): New pattern, peep2s and splitter.
4180 (pushdi2_prologue_rex64): New pattern.
4181 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
4182 Likewise.
4183 (movdi splitters): Disable for 64bit.
4184 (movdi_1_rex64): New pattern, peep2s and splitters.
4185 (swapdi): New pattern.
4186 (pushsf): Disable for 64bit.
4187 (pushsf_rex64): New pattern and splitter.
4188 (pushdf_nointeger): Disable for 64bit.
4189 (pushdf_integer): Handle the 64bit case.
4190 (pushtf): Likewise; update splitters.
4192 2001-03-22 Richard Henderson <rth@redhat.com>
4194 * mkconfig.sh: Include insn-flags.h.
4195 * Makefile.in (CONFIG_H): Include insn-flags.h.
4196 (lots of objects): Remove insn-codes.h and insn-flags.h.
4198 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
4199 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
4200 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
4201 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
4202 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
4203 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
4204 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
4205 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
4206 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
4207 v850/v850.c, vax/vax.c:
4208 Don't include insn-flags.h.
4210 * diagnostic.c, expr.h, reload.c, toplev.c:
4211 Don't include insn-codes.h.
4213 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
4214 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
4215 c4x/c4x.c, i960/i960.c, mips/mips.c:
4216 Don't include insn-codes.h or insn-flags.h.
4218 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
4219 or insn-flags.h in the generated code.
4220 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
4221 (main): Forward declare struct rtx_def.
4223 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
4225 * invoke.texi (-ffast-math): Remove duplicate line about
4226 __FAST_MATH__.
4228 * gcc.texi: Remove more obsolete documentation of bugs and
4229 installation problems.
4231 2001-03-21 Kazu Hirata <kazu@hxi.com>
4233 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
4234 into two parts.
4236 2001-03-20 Jason Merrill <jason@redhat.com>
4238 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
4239 not '.' or '$'.
4240 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
4241 * varasm.c (CHKR_PREFIX): Likewise.
4243 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4245 * gcse.c (hash_scan_set): An expression is not anticipatible if it
4246 is part of a multi-SET insn.
4248 * cse.c (find_comparison_args): Remove previous change.
4249 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
4250 REG_EQUAL notes.
4252 * config/i386/i386.md (conditional_trap): Remove warning.
4254 * recog.c (push_operand): Fix error in last change that caused
4255 undefined symbol on many targets.
4257 * sdbout.c: #include ggc.h.
4258 (sdbout_init): Move to end of file.
4259 Call ggc_add_tree_root for anonymous_types.
4260 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
4261 (sdbout_one_type): Use DECL_NAME for field name.
4262 * Makefile.in (sdbout.o): Show includes ggc.h.
4264 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
4266 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
4267 (override_options): Use properlimits for preferred_stack_boundary.
4268 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
4269 on x86_64.
4270 (ext_register_operand): Accept DImode.
4271 (load_pic_register): Abort on 64bit.
4272 (gen_push): Use Pmode instead of SImode.
4273 (ix86_save_reg): Pic reg is never used on 64bit.
4274 (ix86_expand_prologue): Likewise.
4275 (ix86_emit_save_regs): Use Pmode instead of SImode.
4276 (legitimate_address_p): Check displacement for 64bit.
4277 (print_operand): Avoid outputting of (%rip) on 64bit.
4278 (print_operand_address): Output (%rip) where possible.
4279 (split_di): Abort on 64bit registers.
4280 (ix86_expand_branch): DImode comparison is simple for x86_64.
4281 (memory_address_length): Recognize memory addresses formed using
4282 PRE/POST modify.
4283 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
4284 for x86_64.
4285 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
4287 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
4289 * recog.c (push_operand): Recognize new format of push instructions.
4291 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
4293 * i386.md (pushqi1): New.
4294 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
4295 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
4296 x86_64_immediate_operand, x86_64_immediate_operand,
4297 x86_64_zext_immediate_operand): Declare.
4298 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
4299 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
4300 x86_64_immediate_operand, x86_64_immediate_operand,
4301 x86_64_zext_immediate_operand): define.
4302 * i386.h (PREDICATE_CODES): Add new predicates.
4304 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
4306 * i386.md (pophi1, popqi1, pushqi1): Remove.
4308 * expr.c (emit_single_push_insn): New function.
4309 (move_by_pieces): Accept NULL as destination for push instructions.
4310 (gen_push_operand): Kill.
4311 (emit_push_insn): Pass NULL when pushing; avoid updating of
4312 stack_pointer_delta.
4313 * expr.h (gen_push_operand): Kill.
4315 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4317 * rtl.texi (COMPARE): Clarify documentation and reference section
4318 on comparisons.
4320 2001-03-20 Stan Shebs <shebs@apple.com>
4322 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
4323 (get_object_reference): Ditto.
4324 (error_with_ivar): Use error_with_file_and_line.
4325 (warn_with_method): Use warning_with_file_and_line.
4327 2001-03-20 Tom Tromey <tromey@redhat.com>
4329 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
4331 2001-03-20 Mark Mitchell <mark@codesourcery.com>
4333 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
4334 variables that are TREE_PUBLIC, even if not TREE_STATIC.
4336 2001-03-20 DJ Delorie <dj@redhat.com>
4338 * Makefile.in (install-libgcc): Pass complete list of variables.
4339 (install-multilib): Ditto.
4341 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
4343 * config/i386/cygwin.h: Declare ctor_section, dtor_section
4344 drectve_section, switch_to_section.
4346 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
4347 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
4348 i386_pe_mark_dllimport.
4350 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
4352 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
4353 functions i386_pe_*.
4355 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
4356 i386_pe_* functions with char * arguments.
4358 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
4360 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
4361 and store.
4362 (movsi_ie): Introduce fpul store.
4364 2001-03-20 Alan Modra <alan@linuxcare.com.au>
4366 * Makefile.in (OBJS): Remove hashtab.o.
4368 2001-03-19 Stan Shebs <shebs@apple.com>
4370 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
4371 * c-lang.c (maybe_objc_method_name): Ditto.
4372 * c-tree.h (maybe_objc_method_name): Remove decl.
4374 2001-03-19 Tom Tromey <tromey@redhat.com>
4376 * gcc.c (init_gcc_specs): Fix comment.
4378 2001-03-19 Mark Mitchell <mark@codesourcery.com>
4380 Compute DECL_ASSEMBLER_NAME lazily.
4381 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
4382 (DECL_ASSEMBLER_NAME_SET_P): New macro.
4383 (SET_DECL_ASSEMBLER_NAME): Likewise.
4384 (COPY_DECL_ASSEMBLER_NAME): Likewise.
4385 (set_decl_assembler_name): Declare.
4386 (lang_set_decl_assembler_name): Likewise.
4387 * tree.c (lang_set_decl_assembler_name): New variab.e
4388 (set_decl_assembler_name): New function.
4389 (init_obstacks): Set lang_set_decl_assembler_name.
4390 (build_decl): Don't set DECL_ASSEMBLER_NAME.
4391 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
4392 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
4393 where it's not necessary.
4394 (builtin_function): Likewise.
4395 (finish_decl): Likewise.
4396 * dbxout.c (dbxout_type_methods): Likewise.
4397 * ggc-common.c (ggc_mark_trees): Likewise.
4398 * profile.c (output_func_start_profiler): Likewise.
4399 * varasm.c (make_decl_rtl): Likewise.
4401 * cse.c (find_comparison_args): Update documentation. Fix
4402 mishandling of COMPARE operations.
4404 * tree.def (ABS_EXPR): Add documentation.
4405 * fold-const.c (fold): Improve folding of ABS_EXPRs.
4407 2001-03-19 Zack Weinberg <zackw@stanford.edu>
4409 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
4411 2001-03-19 Jakub Jelinek <jakub@redhat.com>
4413 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
4414 Remove ia32 linux PIC kludge and move it...
4415 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
4417 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
4419 * i386.md (absdf2 expander): Fix 64bit case.
4421 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
4423 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
4425 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
4427 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
4429 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4431 * README.X11: Remove obsolete file.
4433 2001-03-18 Anthony Green <green@redhat.com>
4435 * config/pj/pj.h: Remove some trailing commas.
4436 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
4438 2001-03-18 Richard Henderson <rth@redhat.com>
4440 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
4441 * calls.c: ... here.
4442 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
4443 defaults for them here.
4445 2001-03-17 Anthony Green <green@redhat.com>
4447 * config/pj/lib1funcs.S: Fix broken comment.
4448 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
4449 labels with '.'.
4451 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
4453 * gcc.texi: Remove obsolete information relating to build and
4454 installation problems with enquire or the Pyramid C compiler.
4456 2001-03-17 Richard Henderson <rth@redhat.com>
4458 * dwarf2out.c (queue_reg_save): New.
4459 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
4460 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
4461 dwarf2out_reg_save.
4462 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
4463 (cfa, cfa_store, cfa_temp): Make static.
4464 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
4466 2001-03-17 Richard Henderson <rth@redhat.com>
4468 * integrate.h (struct inline_remap): Add local_return_label.
4469 * integrate.c (expand_inline_function): Initialize it and emit
4470 it after copy_insn_notes.
4471 (copy_insn_list): Don't store local_return_label here.
4472 (copy_insn_notes): New function split out from copy_insn_list.
4474 2001-03-17 Richard Henderson <rth@redhat.com>
4476 * dwarf2out.c (lookup_filename): Emit .file if the assembler
4477 is generating .debug_line.
4478 (dwarf2out_init): Add main_input_filename to the file table first.
4479 * configure.in (as_dwarf2_debug_line): Test with file number 1
4480 instead of file number 0.
4482 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4484 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
4485 (gen_rtx_combine): Deleted; all references changed as appropriate.
4486 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
4488 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
4490 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
4492 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
4493 variable.
4495 2001-03-16 Jim Wilson <wilson@redhat.com>
4497 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
4498 then set it to LOC_REG (79) instead of aborting.
4500 2001-03-16 Phil Edwards <pme@sources.redhat.com>
4502 * gccbug.in: Remove high priority.
4504 2001-03-16 Richard Henerson <rth@redhat.com>
4506 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
4507 output with a space instead of deleting it.
4508 * configure: Regenerate.
4510 2001-03-16 Zack Weinberg <zackw@stanford.edu>
4512 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
4513 handles the gory details of converting an object file into
4514 something that's safe to grep.
4515 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
4516 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
4517 newlines at either end of the string we're looking for.
4518 Make 'checking ...' message less stilted.
4519 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
4520 ARM in-memory layout and its hypothetical converse. Don't
4521 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
4522 HOST_WORDS_BIG_ENDIAN.
4524 * configure.in: Adjust for renamed macro. Move
4525 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
4526 * configure, config.in: Regenerate.
4528 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4530 * fixinc/Makefile.in: Set SHELL.
4532 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4534 * fixinc/fixincl.c (fix_with_system): Quote file names before
4535 passing them to shell.
4537 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4539 * Makefile.in: Use fix-header$(build_exeext) instead
4540 of fix-header.
4542 2001-03-16 Richard Henderson <rth@redhat.com>
4544 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
4545 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
4546 (size_of_line_prolog): Remove.
4547 (output_line_info): Compute prologue size via label difference.
4548 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
4550 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
4551 assembler error when redefining file numbers.
4552 * config.in, configure: Rebuild.
4554 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
4555 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
4556 (dw2_asm_output_delta_uleb128): Likewise.
4557 (dw2_asm_output_delta_sleb128): Similarly.
4558 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
4560 2001-03-16 Michael Meissner <meissner@redhat.com>
4562 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
4563 warnings.
4564 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
4565 warnings.
4566 (BITMASK_LOWER16): Replacement for 0x0000ffff.
4568 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
4569 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
4570 being unsigned in ISO C and signed in traditional.
4571 (expand_prologue): Ditto.
4572 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
4574 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
4575 warnings.
4576 (divsi3,divdi3): Ditto.
4577 (modsi3,moddi3): Ditto.
4578 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
4579 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
4580 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
4581 warnings.
4583 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
4585 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
4586 SSE based conditional moves on LTGT/UNEQ conditions;
4587 Canonicalize EQ to NE.
4588 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
4589 (sse_mov?fcc_ne): New.
4591 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
4593 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
4595 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
4596 register may be dead.
4598 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
4600 * Makefile.in (hash.o): Depend on CONFIG_H.
4602 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4604 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
4606 2001-03-15 Richard Henderson <rth@redhat.com>
4608 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
4609 (ASM_OUTPUT_DWARF_PCREL): New.
4610 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
4612 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
4614 * cppfiles.c (stack_include_file): Use MAX of sysp.
4616 2001-03-15 Steve Ellcey <sje@cup.hp.com>
4618 * config.gcc (ia64*-*-hpux*): New case.
4619 * config/ia64/hpux.h: New file for HP-UX support.
4620 * config/ia64/t-hpux: New file for HP-UX support.
4622 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
4624 * fixinc/inclhack.def (irix_stdio_va_list): New.
4625 * fixinc/fixincl.x: Rebuilt.
4627 2001-03-15 Richard Henderson <rth@redhat.com>
4629 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
4630 if provided by the target.
4631 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
4632 (dw2_asm_output_addr): New.
4633 * dwarf2asm.h (dw2_asm_output_addr): Declare.
4634 * dwarf2out.c (output_cfi): Use it for program addresses.
4635 (output_call_frame_info, output_die): Likewise.
4636 (output_aranges, output_line_info): Likewise.
4638 2001-03-15 Bruce Korb <bkorb@gnu.org>
4640 * gcc.c(main): make more rigorous
4641 * collect2.c(main): guard against ignoring SIGCHLD
4642 * protoize.c(main): ditto
4643 * gcc/fixinc/fixincl.c(initialize): ditto
4645 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4647 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
4648 (sdbout_parms): Likewise.
4650 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
4652 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
4653 "widen" a destination that is already wider than a word. Also do
4654 not widen if LOAD_EXTEND_OP is NIL for the given mode.
4656 2001-03-15 Bernd Schmidt <bernds@redhat.com>
4658 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
4660 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
4662 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
4664 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
4666 * i960.h (i960_maxbitalignment,
4667 i960_last_maxbitalignment): Declare.
4668 * i960.c (i960_maxbitalignment,
4669 i960_last_maxbitalignment): Make global.
4670 (process_pragma): Delete.
4671 (i960_pr_align, i960_pr_noalign): Move from here ...
4672 * i960-c.c: ... to this new file.
4673 * t-960bare (i960-c.o): New rule.
4674 * t-vxworks960 (i960-c.o): Likewise.
4675 * config.gcc (i960-*-*): Define c_target_objs and
4676 cxx_target_objs.
4678 2001-03-15 Bernd Schmidt <bernds@redhat.com>
4680 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
4681 without adding in rtx code and mode.
4683 * alias.c (init_alias_analysis): Don't use any rtx whose value
4684 varies as a known value.
4685 Delete a superfluous test.
4687 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
4688 ia64_sched_reorder.
4689 (ia64_sched_reorder): Call maybe_rotate; also rotate after
4690 scheduling a stop bit.
4691 (ia64_emit_nops): Correctly handle ASMs.
4693 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4695 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
4697 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
4699 * cpp.texi: Update documentation for -include and -imacros.
4700 * cppfiles.c (struct include_file): Remove "defined" memeber.
4701 (find_or_create_entry): Make a copy of the file name, and
4702 simplify it.
4703 (open_file): Update to ensure we use the simplified filename.
4704 (stack_include_file): Don't set search_from.
4705 (cpp_included): Don't simplify the path name here.
4706 (find_include_file): New prototype. Call search_from to
4707 get the start of the "" include chain. Don't simplify the
4708 filenames here.
4709 (_cpp_execute_include): New prototype. Move diagnostics to
4710 do_include_common. Update.
4711 (_cpp_pop_file_buffer): Don't set defined.
4712 (search_from): New prototype. Use the preprocessor's cwd
4713 for files included from the command line.
4714 (read_name_map): Don't simplify the pathname here.
4715 * cpphash.h (enum include_type): New.
4716 (struct buffer): Delete search from. New search_cached.
4717 (_cpp_execute_include): Update prototype.
4718 * cppinit.c (do_includes): Use _cpp_execute_include.
4719 * cpplib.c (do_include_common): New function.
4720 (do_include, do_include_next, do_import): Use it.
4722 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4724 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
4725 contents of the RTL, to determine the name of the object.
4727 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4729 * tree.h (DECL_RTL): Allocate RTL lazily.
4730 (SET_DECL_RTL): New macro.
4731 (DECL_RTL_SET_P): Likewise.
4732 (COPY_DECL_RTL): Likewise.
4733 (DECL_RTL_IF_SET): Likewise.
4734 * varasm.c (make_decl_rtl): Add assertions about the kind of
4735 declaration we are processing.
4736 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
4737 (start_decl): Likewise.
4738 (finish_decl): Likewise.
4739 * c-semantics.c (emit_local_var): Likewise.
4740 * calls.c (expand_call): Likewise.
4741 * dbxout.c (dbxout_symbol): Likewise.
4742 * emit-rtl.c (unshare_all_rtl): Likewise.
4743 (unshare_all_decls): Likewise.
4744 (reset_used_decls): Likewise.
4745 * expr.c (store_constructor): Likewise.
4746 (safe_from_p): Likewise.
4747 (expand_expr): Likewise.
4748 * function.c (put_var_into_stack): Likewise.
4749 (instantiate_decls_1): Likewise.
4750 (assign_parms): Likewise.
4751 (expand_function_start): Likewise.
4752 (expand_function_end): Likewise.
4753 * ggc-common.c (gcc_mark_trees): Likewise.
4754 * integrate.c (function_cannot_inline_p): Likewise.
4755 (copy_decl_for_inlining): Likewise.
4756 (expand_inline_function): Likewise.
4757 (integrate_parm_decls): Likewise.
4758 (integrate_decl_tree): Likewise.
4759 * print-tree.c (print_node): Likewise.
4760 * reg-stack.c (stack_result): Likewise.
4761 * stmt.c (label_rtx): Likewise.
4762 (expand_return): Likewise.
4763 (expand_decl): Likewise.
4764 (expand_decl_cleanup): Likewise.
4765 (expand_anon_union_decl): Likewise.
4766 * toplev.c (check_global_declarations): Likewise.
4767 (rest_of_decl_compilation): Likewise.
4768 * tree.c (simple_cst_equal): Likewise.
4769 * objc/objc-act.c (generate_static_references): Likewise.
4771 2001-03-14 Zack Weinberg <zackw@stanford.edu>
4773 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
4774 gcc_AC_C_FLOAT_FORMAT): New macros.
4775 * configure.in: Add AC_PROG_CPP after CC tests;
4776 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
4777 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
4778 * configure, config.in: Regenerate.
4780 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
4781 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4782 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4783 config/i370/xm-linux.h, config/i370/xm-oe.h,
4784 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4785 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
4786 config/pa/xm-linux.h, config/pa/xm-pa.h,
4787 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
4788 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
4789 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
4790 config/we32k/xm-we32k.h: Delete.
4792 * config/i370/xm-mvs.h, config/m88k/m88k.h,
4793 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4794 config/vax/xm-vms.h: Don't define any of:
4795 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
4797 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
4799 * config.gcc: Remove references to deleted files.
4800 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
4801 FATAL_EXIT_CODE, which is the same between oe and mvs).
4803 2001-03-14 DJ Delorie <dj@redhat.com>
4804 Vladimir Makarov <vmakarov@redhat.com>
4806 * config/i960/i960.c (i960_function_prologue): Compute size of
4807 frame according to number of registers actually saved there.
4809 2001-03-14 Richard Henderson <rth@redhat.com>
4811 * expr.c (emit_move_insn_1): Fix else if around #endif.
4813 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
4814 Vojtech Pavlik
4816 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
4817 constraints.
4819 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
4821 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
4822 (override_options): Parse cmodel string.
4823 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
4824 * i386.h (TARGET_OPTIONS): Add "cmodel".
4825 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
4826 (enum cmodel): New.
4827 (ix86_cmodel_string, ix86_cmodel): Declare.
4829 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
4831 Spot by Matt Kraai:
4832 * i386.h (GENERAL_REG_P): Add missing REG_P.
4834 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
4836 * configure.in: Use $gcc_cv_as instead of $as.
4837 * configure: Regenerated.
4839 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
4841 * cppfiles.c (stack_include_file): Only increase the include
4842 count if we actually process the file properly, as opposed
4843 to treating it as length zero. Only call read_include_file
4844 if not DO_NOT_REREAD. Handle the -H include file output
4845 here.
4846 (read_include_file): Remove now redundant DO_NOT_REREAD check.
4847 (cpp_included, find_include_file): Simplify pathnames after
4848 remapping them. If remapping, don't use the remapped file
4849 name's buffer as our scratch buffer.
4850 (cpp_pop_file_buffer): Replace the multiple include macro
4851 only if it isn't yet set.
4852 (read_name_map): Simplify remapped names when reading in.
4853 (remap_filename): Move code to code path that uses it.
4854 (_cpp_simplify_pathname): Return the input pointer.
4855 * cpphash.h (_cpp_simplify_pathname): Update prototype.
4857 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4859 * expr.c (expand_expr): Revove bogus conditional.
4861 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
4863 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
4865 2001-03-14 Jakub Jelinek <jakub@redhat.com>
4867 * reg-stack.c (stack_result): Unconditionally use
4868 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
4870 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
4872 * expr.c (emit_move_insn_1): Split push of complex value when
4873 no suitable push instruction exist.
4875 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
4876 instead of QI_REG_P.
4878 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4880 * alias.c (handled_component_p, can_address_p): New functions.
4881 (get_alias_set): Use them.
4883 2001-03-13 Jim Wilson <wilson@redhat.com>
4885 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
4886 from 80 in try_locals code.
4887 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
4889 2001-03-13 Zack Weinberg <zackw@stanford.edu>
4891 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
4892 gcc_AC_C_LONG_LONG): New.
4893 * configure.in: Use them. Probe the size of short, int, long,
4894 and long long/__int64 if we have them. Move all the AC_C_*
4895 checks together, except gcc_AC_C_CHAR_BIT which has to go
4896 after AC_CHECK_HEADERS(limits.h).
4897 Take hwint.h out of host_xm_file and build_xm_file.
4899 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
4900 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
4901 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
4902 Move the HOST_WIDEST_INT setup logic here from system.h.
4903 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
4904 defined.
4905 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
4906 is now handled by hwint.h.
4908 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
4909 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
4910 config/ia64/xm-ia64.h: Don't define any of:
4911 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
4912 HOST_BITS_PER_LONGLONG.
4914 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
4915 config/h8300/xm-h8300.h, config/mips/iris6.h,
4916 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
4917 config/sparc/xm-sp64.h: Delete.
4918 * config.gcc: Remove references to deleted files.
4920 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
4921 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
4922 * config/i370/xm-linux.h: Clarify floating-point situation in
4923 a comment.
4925 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
4927 * cppfiles.c (NO_INCLUDE_PATH): New macro.
4928 (find_include_file): Decide here which part of the include
4929 chain to start the search. Complain about an empty include
4930 chain in all cases apart from an abolsute file name.
4931 (_cpp_execute_include): Don't choose the search chain here.
4932 Don't call handle_missing_include in the case of an empty
4933 include chain.
4934 (_cpp_compare_file_date): Don't choose the search chain here.
4935 * cpplib.c (do_include_next): Move the in-main-file diagnostic
4936 here from _cpp_execute_include. Behave like #include if
4937 we're in the main file.
4939 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4941 * system.h (malloc, realloc, calloc, strdup): Only poison these
4942 tokens when IN_GCC is defined.
4944 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
4946 * i386.md (abs?f expander): Support SSE case.
4947 (abd?f_if): Add new "USE"; add splitters.
4949 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4951 * cpp.texi (poison): Explain the macro expansion exception.
4953 2001-03-13 Jakub Jelinek <jakub@redhat.com>
4955 * expr.c (store_expr): Add dont_store_target. If temp is already in
4956 target before copying to reg, don't store it into target again.
4958 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4960 * cppinternals.texi: Update for file handling.
4962 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4964 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
4965 2001-02-24 which broke building the Java library.
4966 * function.c (identify_blocks): Likewise.
4967 (all_blocks): Likewise.
4968 * integrate.c (integrate_decl_tree): Likewise.
4969 * print-tree.c (print_node): Likewise.
4970 * tree.h (BLOCK_NUMBER): Likewise.
4971 (struct tree_block): Likewise.
4973 2001-03-12 David Edelsohn <edelsohn@gnu.org>
4975 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
4976 __WCHAR_TYPE__ definition.
4977 (WCHAR_TYPE_SIZE): #undef before #define.
4979 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4981 * cppfiles.c: Update comments.
4982 (destroy_include_file_node): Rename destroy_node.
4983 (find_or_create_entry): New function.
4984 (open_file, _cpp_fake_include): Use it.
4985 (handle_missing_header): New function, broken out of
4986 _cpp_execute include. Don't segfault if there is no
4987 system or quoted path.
4988 (_cpp_execute_include): Use handle_missing_header.
4990 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4992 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
4993 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
4995 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4997 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
4998 unless anti_dependence says they are.
4999 * alias.c (objects_must_conflict): If neither has a type specified,
5000 they must conflict.
5002 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5003 David Billinghurst <David.Billinghurst@riotinto.com>
5005 * config/mips/iris5.h: Change WCHAR_TYPE to int.
5007 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
5009 * i386.md (trunctfdf2_2): Rename missnamed pattern.
5010 (*_one_bit): Remove type on the match_operand in attributes.
5012 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
5014 * i386.c: Commit forgotten hunk in previous patch.
5015 (regclass_map): Add extended registers.
5016 (dbx_register_map): Add missing frame register.
5018 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
5020 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
5022 * i386.md (x86_sahf_1): Disable for 64bit.
5023 (popsi*, pophi*): Likewise.
5024 (pushqi, pushhi): Likewise.
5025 (movdi, pushdi): Likewise.
5026 (zero extend DImode splitter): Likewise.
5027 (adddi, minusdi splitter): Likewise.
5028 (umulsidi): Likewise.
5029 (umulsi): New.
5030 (mulsidi): Disable for 64bit
5031 (lshift:DI/ashift:DI): Disable for 64bit.
5032 (loop patterns): Likewise.
5033 (call_pop, call_value_pop expanders and patterns): Likewise.
5034 (prologue_get_pc): Likewise.
5035 (leave): Likewise.
5036 (fcmovDI pattern and splitter): Likewise.
5037 (movdfcc_1_rex64): New.
5039 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
5041 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
5042 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
5043 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
5044 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
5045 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
5046 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
5047 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
5048 (PUSH_ROUNDING): x86_64 rounds to 64bits.
5049 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
5050 (REGPARM_MAX): Set to 6 for x86_64.
5051 (SSE_REGPARM_MAX): Set to 16 for x86_64.
5052 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
5053 registers.
5055 * (patterns that does use upper halves): Update constraints
5056 'q' to 'Q' and 'r' to 'R'.
5057 (cmpqi_ext_1): Disable for 64bit.
5058 (cmpqi_ext_3_insn): Likewise.
5059 (movqi_extzv_1): Likewsie.
5060 (addqi_ext_1): Liekwsie
5061 (testqi_ext_1): Liekwsie
5062 (andqi_ext_1): Liekwsie
5063 (xorqi_ext_1): Liekwsie
5064 (cmpqi_ext_1_rex64): New.
5065 (cmpqi_ext_3_insn_rex64): Likewise.
5066 (movqi_extzv_1_rex64): Likewsie.
5067 (addqi_ext_1_rex64): Liekwsie
5068 (testqi_ext_1_rex64): Liekwsie
5069 (andqi_ext_1_rex64): Liekwsie
5070 (xorqi_ext_1_rex64): Liekwsie
5072 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5074 * configure.in: Move check for unsigned enumerated bitfields
5075 to macro in aclocal.m4. Disable it for now.
5076 * configure, config.in: Regenerate.
5077 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
5078 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
5079 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
5080 kind above its first use.
5082 * config/xm-interix.h, config/alpha/xm-alpha.h,
5083 config/i370/xm-linux.h, config/i386/xm-beos.h,
5084 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
5085 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5086 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
5087 Don't define ONLY_INT_FIELDS under any circumstances.
5089 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
5091 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5092 config/sparc/xm-sysv4.h: Delete - now identical with some
5093 other xm header.
5094 * config.gcc (hppa targets): Replace xm-pahpux.h and
5095 xm-papro.h with implicit xm-pa.h.
5096 (sparc targets): Replace xm-sysv4.h with implicit or explicit
5097 xm-sparc.h.
5099 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
5101 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
5102 before reload_cse_noop_set_p.
5104 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5106 * config.gcc: Where xm-host.h used to include another
5107 xm-host.h, list the nested header directly in xm_file. Remove
5108 references to deleted files. Can now use sparc/xm-sp64.h for
5109 sparcv9-*-solaris*.
5111 * config/xm-linux.h, config/arm/xm-linux.h,
5112 config/i386/xm-dos.h, config/i386/xm-gnu.h,
5113 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
5114 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
5115 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
5116 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
5117 Delete.
5119 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
5120 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
5121 bother to wrap #undef in #ifdef.
5122 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
5123 Don't include xm-linux.h.
5124 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
5126 * configure.in: Wrap regexps using [] in changequote block.
5127 Use expr : not echo | grep. Simplify regexps.
5128 * configure: Regenerate.
5130 56 xm-files remain, 22 xm-arch.
5132 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5134 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
5135 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
5136 (local_index, local_rindex): Delete, use strchr/strrchr instead.
5137 (copy_object): Fix format specifier vs argument mismatch.
5139 * mips-tdump.c: Make local functions static.
5140 (rindex): Don't #undef.
5141 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
5142 (fatal, fancy_abort): Delete.
5143 (read_seek): Avoid signed/unsigned compare.
5145 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5147 * combine.c (try_combine): Fix error in change to try original
5148 register.
5149 (gen_rtx_combine): Do same as gen_rtx for now.
5151 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5153 * configure.in: AC_SUBST xm_defines.
5154 * configure: Regenerate.
5155 * Makefile.in: Set DEFINES=$(xm_defines) when building
5156 tconfig.h.
5158 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
5160 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
5161 (cpp_included, find_include_file): Update.
5162 (_cpp_compare_file_date): Make else unconditional.
5164 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
5166 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
5168 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
5170 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
5171 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
5173 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
5175 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
5176 if it's a record type.
5178 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
5180 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
5181 mingw includes slightly.
5183 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5185 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
5186 #undef token before poisoning it.
5188 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5190 * alpha.c (check_float_value): Use memcpy, not bcopy.
5192 * m32r.c (m32r_sched_reorder): Likewise.
5194 * vax.c (check_float_value): Likewise.
5196 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
5198 * toplev.c (file_name_nondirectory): Remove.
5199 * toplev.h: Similarly.
5200 * dwarf2out.c (compute_section_prefix): Use lbasename instead
5201 of file_name_nondirectory.
5203 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5205 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
5206 * mips-tfile.c: Don't #undef rindex; not used.
5208 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
5210 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
5211 (dbx64_register_map): Declare.
5212 (RETURN_ADDR_RTX): Fix for 64bit.
5213 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
5214 (INCOMING_FRAME_SP_OFFSET): Set to 8.
5215 * i386.c (dbx64_register_map): New global array.
5216 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
5217 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
5218 for 64bits.
5220 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
5222 * cppfiles.c (search_from): Use lbasename.
5223 * mkdeps.c (deps_add_default_target): Use lbasename.
5225 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5227 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
5228 xcalloc in lieu of malloc, realloc & calloc.
5230 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
5232 * gengenrtl.c (xmalloc): Likewise.
5234 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
5235 really_call_* memory allocation routines.
5237 * stmt.c (check_for_full_enumeration_handling): Use
5238 really_call_calloc, not calloc.
5240 * system.h (really_call_malloc, really_call_calloc,
5241 really_call_realloc): Define.
5242 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
5244 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
5246 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
5248 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
5250 * configure: Rebuilt.
5251 * configure.in: Only use `lang_requires' for languages athat are
5252 actually enabled.
5254 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
5256 * invoke.texi: Fix typo.
5257 * gcc.1: Regenerate.
5259 2001-03-09 Zack Weinberg <zackw@stanford.edu>
5261 * configure.in: Prune nonexistent files from build_xm_file,
5262 xm_file, and host_xm_file lists. Warn unless they're
5263 $cpu/xm-$cpu.h.
5264 Don't generate *config.h here.
5265 AC_SUBST all variables needed to generate *config.h.
5266 * configure: Regenerate.
5267 * mkconfig.sh: New helper script, from code removed from
5268 configure.in.
5269 * Makefile.in: Zap all MALLOC variables - no longer used
5270 anywhere, and malloc.c doesn't exist.
5271 Substitute in variables needed to generate *config.h.
5272 Stop lying about the dependencies contained in CONFIG_H and
5273 GCONFIG_H.
5274 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
5275 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
5276 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
5277 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
5278 $(TM_P_H), etc. as appropriate.
5280 * config.gcc: Zap references to deleted files.
5281 * ggc-none.c: Don't include rtl.h or tm_p.h.
5283 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
5284 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
5285 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
5286 config/i386/xm-linux.h, config/i386/xm-linux.h,
5287 config/i386/xm-next.h, config/i386/xm-openbsd.h,
5288 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
5289 Don't include i386/xm-i386.h.
5291 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
5292 config/i386/xm-i386.h, config/i860/xm-i860.h,
5293 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
5294 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5295 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
5296 Delete (empty except comments, #includes of other deleted
5297 files, and macros used nowhere).
5299 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
5301 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
5302 independent on TARGET_FLAGS.
5304 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
5306 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
5308 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
5309 extended ones.
5310 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
5311 TARGET_64BIT.
5312 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
5313 LAST_REX_SSE_REG): define.
5314 (enum reg_class): Add 'LEGACY_REGS'
5315 (REG_CLASS_CONTENTS): Likewise; add extended registers.
5316 (SSE_REGNO_P): Recognize extended registers.
5317 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
5318 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
5319 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
5320 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
5321 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
5322 REG_OK_FOR_STRREG_P): Remove.
5323 (HI_REGISTER_NAMES): Add extended registers.
5324 (ADDITIONAL_REGISTER_NAMES): Likewise.
5325 (QI_REGISTER_NAMES): Add 8bit extended registers.
5326 (DEBUG_REG): Support extended registers.
5327 * i386.c (regclass_map): Add extended registers.
5328 (dbx_register-map): Likewise.
5329 (svr4_dbx_register_map): Likewise.
5330 (print_reg): Support extended registers.
5331 (print_operand): Support 64bit operands.
5333 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
5335 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
5336 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
5337 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
5338 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
5339 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
5340 STACK_BOUNDARY): Set properly for 64bits.
5341 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
5342 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
5343 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
5344 (MOVE_MAX): Set to 16.
5345 (MOVE_MAX_PIECES): 8 for 64bit.
5346 (Pmode): Set to SImode.
5348 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
5350 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
5352 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
5354 * i386.h (mask_64bit): New constant.
5355 (target_64bit): New macro.
5356 (target_options): Add '64'/'32'
5357 (target_default): Define.
5358 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
5359 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
5360 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
5362 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
5364 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
5366 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
5368 * rtlanal.c (rtx_varies_p): Check operand 0 of a
5369 LO_SUM unless for_alias is set.
5371 2001-03-08 Stan Shebs <shebs@apple.com>
5373 * objc/objc-act.c: Fix old typos in comments, add comments for
5374 various functions.
5375 (hash_init): Fix file name in error message.
5376 (hash_enter): Ditto.
5377 (hash_add_attr): Ditto.
5378 (continue_class): Ditto.
5380 2001-03-08 Bruce Korb <bkorb@gnu.org>
5382 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
5383 wait4() can receive the signal.
5385 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5387 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
5388 entities.
5389 * fixinc/fixincl.x: Regenerate.
5391 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5393 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
5394 on Tru64 UNIX.
5395 * fixinc/fixincl.x: Regenerate.
5397 2001-03-08 Richard Henderson <rth@redhat.com>
5399 * configure.in (HAVE_AS_LEB128): New assembler check.
5400 * configure, config.in: Rebuilt.
5402 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
5404 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
5405 TFmode too.
5407 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5409 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
5410 references to the MAXPATHLEN macro.
5412 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
5413 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
5414 the POSIX macro.
5416 * config/i386/xm-gnu.h, config/xm-gnu.h,
5417 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
5418 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
5419 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
5420 and/or unused files.
5422 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
5423 doing so in various xm-*.h files.
5425 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5427 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
5429 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
5431 * configure.in (enable_shared): Support per-package shared-library
5432 enabling.
5433 * configure: Rebuilt.
5435 2001-03-07 David Edelsohn <edelsohn@gnu.org>
5437 * rs6000.md (cr logic): Add original POWER mnemonic alternative
5438 for crnot. Set operands[5] in splitter.
5440 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5442 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
5443 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
5444 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
5445 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
5446 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
5447 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
5448 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
5449 to the USG macro.
5451 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
5452 config/i370/xm-i370.h, config/i386/xm-dgux.h,
5453 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
5454 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
5455 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
5456 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
5457 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
5458 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
5459 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
5460 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
5461 Delete unused and/or empty files.
5463 * config.gcc: Define USG in xm_defines as appropriate. Define
5464 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
5465 macro. Remove deleted xm-* files from $xm_files variable.
5467 2001-03-07 Tom Tromey <tromey@redhat.com>
5469 * configure: Rebuilt.
5470 * configure.in: Allow config-lang.in to set `lang_requires' to list
5471 of other required languages.
5473 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
5475 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
5476 after its emitted.
5477 (output_prologue): Use xmalloc not oballoc.
5478 (output_epilog): Free a29k_first_epilogue_insn when finished.
5479 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
5481 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
5483 * builtins.c (expand_builtin_mathfn): Check
5484 flag_unsafe_math_optimizations, not flag_fast_math.
5485 (expand_builtin): Likewise
5486 * combine.c (combine_simplify_rtx): Likewise.
5487 (simplify_if_then_else): Likewise.
5488 * cse.c (fold_rtx): Likewise.
5489 * flags.h: Remove flag_fast_math. Add
5490 flag_unsafe_math_optimizations and flag_trapping_math.
5491 * fold-const.c (negate_expr): Check
5492 flag_unsafe_math_optimizations, not flag_fast_math.
5493 (invert_truthvalue): Likewise.
5494 (fold): Likewise. Before associating operands, check that
5495 code == MULT_EXPR, not code != MULT_EXPR.
5496 * ifcvt.c (noce_try_minmax): Check
5497 flag_unsafe_math_optimizations, not flag_fast_math.
5498 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
5499 * invoke.texi: Document -funsafe-math-optimizations and
5500 -fno-trapping-math. Change documentation for -ffast-math.
5501 * jump.c (reversed_comparison_code_parts): Likewise.
5502 (rtx_equal_for_thread_p): Likewise.
5503 * optabs.c (emit_conditional_move): Likewise.
5504 * simplify-rtx.c (simplify_binary_operation): Likewise.
5505 (simplify_relational_operation): Likewise.
5506 (simplify_ternary_operation): Likewise.
5507 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
5508 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
5509 Add trapping-math and unsafe-math-optimizations entries to f_options.
5510 (set_fast_math_flags): New, sets flags for -ffast-math.
5511 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
5512 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
5513 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
5515 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
5516 (alpha_emit_conditional_move): Initialize local_fast_math to
5517 flag_unsafe_math_optimizations, not flat_fast_math.
5518 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
5519 instead of setting flag_fast_math to 1.
5520 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
5521 not flag_fast_math.
5522 * config/i386/i386.c (override_options): Likewise
5523 * config/i386/i386.md: Likewise.
5524 * config/m68k/m68k.md: Likewise.
5525 * config/mips/mips.md: Likewise.
5526 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
5527 (rs6000_generate_compare): Likewise.
5529 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
5531 * Makefile.in: Set RANLIB to @RANLIB@.
5532 Remove RANLIB_TEST.
5534 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
5536 * fixinc/inclhack.def (djgpp_wchar_h): New test.
5537 * fixinc/fixincl.x: Regenerated.
5539 2001-03-07 Richard Henderson <rth@redhat.com>
5541 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
5543 2001-03-07 Richard Henderson <rth@redhat.com>
5545 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
5546 of block notes and exception handling notes.
5548 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
5549 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
5550 (compile_file): ... here.
5552 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5554 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
5556 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
5557 config.h now. Include libiberty.h to handle alloca.
5559 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5561 * c-parse.in (yylexname): New function, split out of _yylex.
5562 (objc_rid_sans_at): New table.
5563 (init_reswords): Initialize it.
5564 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
5565 retrieving the next token and checking it for significance as
5566 an ObjC keyword or string constant.
5568 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
5569 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
5571 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
5572 to CPP_OSTRING.
5574 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
5576 * config/m68k/m68k.c (const_uint32_operand): Accept any
5577 const_int on a 32-bit host.
5579 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
5581 * objc/objc-act.c (init_objc): Set save_lang_status,
5582 restore_lang_status, and mark_lang_status.
5584 2001-03-06 Krister Walfridsson <cato@df.lth.se>
5586 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
5588 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
5590 * cppinternals.texi: Update.
5592 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5594 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5595 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
5596 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
5597 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5598 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
5599 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5600 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
5601 config/i386/xm-i386.h, config/i860/xm-i860.h,
5602 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5603 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
5604 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5605 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5606 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5607 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5608 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
5609 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5610 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
5611 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5612 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5613 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
5614 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
5615 match the defaults provided in hwint.h.
5617 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5618 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
5620 * config.gcc (xm_file): Don't set to files which are deleted.
5622 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
5623 guard this file against these macros being undefined.
5625 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5627 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
5628 and DECL_DEFER_OUTPUT on the decl we create, before calling
5629 rest_of_decl_compilation.
5631 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5633 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
5634 AC_FUNC_ALLOCA.
5635 * configure, config.in: Regenerate.
5636 * config.gcc: Remove references to deleted files.
5638 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
5639 genrecog.c, rtl.c: Do not use alloca anywhere.
5641 * Makefile.in, build-make, system.h, config/x-interix,
5642 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
5643 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
5644 config/arc/xm-arc.h, config/arm/xm-arm.h,
5645 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5646 config/h8300/xm-h8300.h, config/i370/x-oe,
5647 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
5648 config/i386/x-ncr3000, config/i386/x-sco5,
5649 config/i386/xm-dgux.h, config/i860/x-sysv4,
5650 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
5651 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
5652 config/m68k/x-hp320g, config/m69k/x-mot3300,
5653 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
5654 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
5655 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
5656 config/m88k/x-sysv4, config/m88k/x-tekXD88,
5657 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5658 config/mips/x-iris, config/mips/x-iris3,
5659 config/mips/x-sni-svr4, config/mips/x-sysv,
5660 config/mips/xm-iris6.h, config/mips/xm-mips.h,
5661 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
5662 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
5663 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5664 config/pa/xm-papro.h, config/romp/xm-romp.h,
5665 config/rs6000/x-aix31, config/rs6000/x-aix41,
5666 config/rs6000/x-beos, config/rs6000/x-lynx,
5667 config/rs6000/x-mach, config/rs6000/x-rs6000,
5668 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
5669 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5670 config/sparc/x-sysv4, config/sparc/xm-linux.h,
5671 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
5672 config/vax/xm-vms.h: Eradicate all references to alloca and
5673 related stuff.
5675 * config/xm-alloca.h, config/clipper/x-clix,
5676 config/i386/xm-sysv4.h, config/i860/x-fx2800,
5677 config/i860/x-sysv3, config/m88k/x-sysv3,
5678 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
5679 (contained only alloca related hacks).
5681 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
5682 USE_C_ALLOCA.
5684 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
5686 * invoke.texi: Document __FAST_MATH__.
5688 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5690 * crtstuff.c: Restore include of auto-host.h.
5692 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
5694 Put main() in a separate file, so that the language
5695 front-end can use a different main().
5697 * main.c: New.
5698 * toplev.c: (main): Rename as toplev_main.
5699 * toplev.h: Declare toplev_main.
5700 * Makefile.in (OBJS): add toplev.o.
5701 (BACKEND): remove toplev.o, add main.o.
5703 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5705 * cppfiles.c (search_from): Special case the empty string.
5707 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5709 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
5710 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
5711 strlen or strcpy; we already know the length.
5712 (_cpp_compare_file_date): Similarly.
5713 * cpphash.h (struct cpp_reader): Delete done_initialising.
5714 (CPP_PREV_BUFFER): Delete.
5715 * cppinit.c (cpp_start_read): Don't set done_initialising.
5716 * cpplex.c (parse_string): Guarantee null-termination.
5717 (_cpp_equiv_toklists): Remove.
5718 * cpplib.c (glue_header_name): Null-terminate.
5719 (do_line): Don't leak memory.
5720 * cpplib.h (BT_WEAK): Delete.
5721 * cppmain.c (cb_ident): Strings are now null-terminated.
5723 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
5725 * gcc.c (convert_filename): Append executable suffix
5726 if NO_AUTO_EXE_SUFFIX is not defined.
5727 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
5728 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
5730 2001-03-03 David O'Brien <obrien@FreeBSD.org>
5732 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5733 * c-parse.gperf, c-gperf.h: Delete.
5734 (c-gperf.h was accidently re-added to the CVS repo in the rev
5735 1.16 commit by tromey)
5737 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5739 * cpplex.c (_cpp_lex_token): Don't warn about directives in
5740 macro arguments when looking for the '('.
5741 * cppmacro.c (funlike_invocation_p): Set parsing_args to
5742 2 when really parsing arguments; 1 when looking for '('.
5743 Always restore the lexer position.
5745 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5747 * longlong.h (umul_ppmm): Don't use a multiline string.
5749 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5751 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
5752 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
5753 t_bool in declaration because pcc can't combine volatile with typedef
5754 types.
5756 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
5758 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
5759 until when it is really needed.
5760 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
5761 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
5762 * i386.md (float?i?f splitter): Don't force source operand to memory
5763 for SSE.
5764 (sse_movdfcc): Fix constraint.
5765 (sse_movdfcc splitter): Handle properly the second alternative.
5767 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5769 * cpplex.c (parse_string): Unconditionally pedwarn.
5771 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5773 * cpp.texi: Update.
5774 * cppexp.c (parse_number): Update.
5775 * cpplex.c (parse_string): Pedwarn if multiline string does not
5776 result from a system header's macro.
5777 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
5778 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
5779 for function-like macros too.
5780 * c-lex.c (lex_number): Update.
5782 2001-03-03 Richard Henderson <rth@redhat.com>
5784 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
5786 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
5788 * combine.c (try_combine): If split with mode-changed scratch
5789 register didn't work, try the original mode.
5791 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
5793 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
5794 * config/c4x/c4x.h: Likewise.
5795 * stor-layout.c (compute_record_mode): Likewise.
5796 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
5798 2001-03-02 Zack Weinberg <zackw@stanford.edu>
5800 * configure.in: Kill tm.h. Include the files in the $tm_file
5801 list in all three of config.h, hconfig.h, tconfig.h, after the
5802 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
5803 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
5804 * configure: Regenerate.
5805 * Makefile.in (clean): Don't delete tm.h.
5807 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
5808 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
5809 those are not defined, set SEC and FEC to 0 and 1.
5810 * gcc.texi: Update to match.
5812 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
5813 * config/fp-bit.c, config/m68k/aux-crt2.asm,
5814 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
5815 Include tconfig.h, not tm.h.
5817 * config/xm-lynx.h, config/xm-std32.h,
5818 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5819 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
5820 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
5821 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5822 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5823 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5824 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
5825 config/i386/xm-i386.h, config/i860/xm-i860.h,
5826 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5827 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
5828 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5829 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5830 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5831 config/pa/xm-linux.h, config/pa/xm-pa.h,
5832 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5833 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
5834 config/pj/xm-pj.h, config/romp/xm-romp.h,
5835 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5836 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5837 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5838 config/v850/xm-v850.h, config/vax/xm-vax.h,
5839 config/we32k/xm-we32k.h:
5840 Don't include tm.h.
5841 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
5843 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
5844 config/i370/xm-oe.h: Don't include tm.h. Don't define
5845 SUCCESS_EXIT_CODE.
5846 * config/vax/xm-vms.h: Don't include tm.h.
5848 * config/xm-lynx.h, config/avr/xm-avr.h,
5849 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
5850 Delete; made empty by above changes.
5851 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5852 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
5853 Don't include config/xm-lynx.h or tm.h.
5855 * config/xm-gnu.h: Don't include fcntl.h.
5856 * config/sparc/xm-lynx.h: Don't include sys/types.h and
5857 sys/wait.h.
5858 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
5860 2001-03-02 Richard Henderson <rth@redhat.com>
5862 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
5863 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
5865 2001-03-02 Richard Henderson <rth@redhat.com>
5867 * Makefile.in (OBJS): Add dwarf2asm.o.
5868 * dwarf2asm.c, dwarf2asm.h: New files.
5869 * dwarf2out.c (*): Use them.
5870 (size_of_uleb128, size_of_sleb128): Remove.
5871 (output_uleb128, output_sleb128): Remove.
5872 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
5873 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
5874 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
5875 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
5876 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
5877 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
5878 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
5879 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
5880 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
5881 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5882 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
5883 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
5884 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
5885 (dwarf2out_frame_debug): Remove unused variables.
5886 (output_loc_operands): Don't abort on 8 byte constants if
5887 host integers are wide enough.
5888 (output_symbolic_ref): Remove.
5889 (size_of_die): Don't assume 4 byte host integers.
5890 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
5891 and end labels.
5892 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
5893 something stupid with HOST_WIDE_INT to long truncation.
5894 [CONST_DOUBLE]: Likewise.
5896 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
5897 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5898 * config/arm/unknown-elf.h: Likewise.
5899 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
5900 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
5901 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
5902 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
5903 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
5904 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
5905 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
5906 (ASM_OUTPUT_DWARF_OFFSET): Remove.
5907 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
5908 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
5909 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
5910 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
5912 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5914 * cselib.c (hash_rtx): Cast enums to unsigned int.
5916 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5918 * print-rtl.c (print_rtx): Cast enums to int for comparison.
5919 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
5920 shifts.
5921 * c-format.c (C_STD_VER): Cast to int for comparisons.
5922 (check_function_format): Cast various enums to int for &.
5923 (maybe_read_dollar_number): Likewise.
5924 (check_format_info): Likewise.
5925 (check_format_info_main): Likewise.
5926 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
5927 (safe_from_p): Likewise.
5928 * varasm.c (const_hash): Cast enum to int for %.
5929 * emit-rtl.c (init_emit_once): Use int loop variable to work around
5930 pcc enum problems with < and ++ operators.
5931 * regclass.c (init_reg_sets_1): Cast enums for comparison.
5932 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
5933 (regclass_init): Change enum class to int to iterate over reg_classes.
5934 * genrecog.c (merge_trees): Cast enums for comparison.
5935 * rtl.h (GET_CODE): Cast to enum rtx_code.
5936 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
5937 (GET_MODE): Cast to enum machine_mode.
5938 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
5939 (GET_NOTE_INSN_NAME): Cast enum to int.
5940 * tree.h (TREE_CODE): Cast to enum tree_code.
5941 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
5942 * timevar.c (timevar_print): Change loop variable id from enum to
5943 unsigned int.
5944 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
5945 * config/i386/i386.md: Use PUT_MODE for mode assignment.
5946 * toplev.c (compile_file): Cast enum DFI to int.
5947 (decode_d_option): Likewise.
5949 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
5951 * cppinit.c (append_include_chain): Mark "after" include file name list
5952 as a system directory.
5953 * cpp.texi: Document new behavior.
5955 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
5957 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
5959 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
5961 * cppfiles.c (struct include_file): Update.
5962 (stack_include_file): Use search_from.
5963 (cpp_included, find_include_file): Update.
5964 (cpp_execute_include): Update. ptr->name may not be
5965 null terminated. Use the new search_from member variable
5966 of cpp_buffer.
5967 (_cpp_compare_file_date): Similarly.
5968 (search_from): New function, similiar to actual_directory.
5969 (actual_directory): Delete.
5970 (remap_filename): Update. loc->name may not be null terminated.
5971 (struct file_name_list): Rename search_path. Update.
5972 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
5973 search_from and dir.
5974 (struct cpp_reader): Remove actual_dirs.
5975 * cppinit.c (struct cpp_pending): Update for renamed objects.
5976 (append_include_chain, remove_dup_dir, remove_dup_dirs,
5977 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
5978 * cpplib.h (struct cpp_options): Similarly.
5980 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5982 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
5983 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
5984 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5985 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5986 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5987 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5988 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5989 config/i370/xm-linux.h, config/i370/xm-mvs.h,
5990 config/i370/xm-oe.h, config/i386/xm-aix.h,
5991 config/i386/xm-i386.h, config/i386/xm-osf.h,
5992 config/i860/xm-i860.h, config/i960/xm-i960.h,
5993 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5994 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
5995 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
5996 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
5997 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
5998 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5999 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6000 config/pj/xm-pj.h, config/romp/xm-romp.h,
6001 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6002 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6003 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6004 config/v850/xm-v850.h, config/vax/xm-vax.h,
6005 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
6006 Do not define TRUE or FALSE.
6008 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
6009 empty by above change.
6010 * config.gcc: Remove references to these files.
6012 * configure.in: Detect stdbool.h.
6013 * configure, config.in: Regenerate.
6014 * system.h: Include stddef.h here if available.
6015 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
6016 Then set up a sensible boolean type at the very end.
6018 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
6019 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
6021 * hash.h: Delete 'boolean' typedef and related #undefs.
6023 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
6024 all uses of 'boolean' with 'bool'.
6026 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6028 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
6029 * cppexp.c (lex): Cast enums for comparison.
6030 * cppinit.c (parse_option): Cast enum for comparison.
6031 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
6032 (cpp_output_token): Likewise.
6033 (cpp_can_paste): Cast enums for comparsion and plus/minus.
6034 (cpp_avoid_paste): Cast enums for minus and comparison.
6036 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6038 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
6039 field to all array elements.
6041 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6043 * cpphash.h (struct cpp_reader): Add print_version field.
6044 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
6045 just set print_version and other flags as appropriate.
6046 (cpp_post_options): Print version here if print_version is set.
6048 * toplev.c (exit_after_options): New flag.
6049 (independent_decode_option): Don't exit here; just set
6050 exit_after_options.
6051 (main): Exit after calling lang_hooks.post_options if
6052 exit_after_options is true.
6054 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
6055 (merge_include_chains): Adjust comment to match code.
6057 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6059 * stringpool.c (set_identifier): New function.
6060 * tree.h: Prototype it.
6062 * c-parse.in: Kill D_YES. If compiled for objc, call
6063 save_and_forget_protocol_qualifiers from init_reswords.
6064 * objc/objc-act.c (remember_protocol_qualifiers,
6065 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
6066 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
6067 vice versa.
6068 (save_and_forget_protocol_qualifiers): New function.
6069 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
6071 2001-03-01 Diego Novillo <dnovillo@redhat.com>
6073 * c-semantics.c (prune_unused_decls): Return error_mark_node
6074 instead of (tree) 1 to stop traversing the tree chain.
6076 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6078 Fix a problem introduced by Kenner's Feb 18 change.
6079 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
6080 flag_cse_skip_blocks only temporarily, not for ever.
6082 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
6084 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
6085 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
6087 * pa.c (emit_move_sequence): Verify operand0 is a hard register
6088 before determining its register class.
6090 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6092 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
6093 from reg 4 if current_function_calls_setjmp.
6094 (gen_nop_type): New function.
6095 (ia64_emit_nops): New function.
6096 (ia64_reorg): Call it.
6097 (ia64_sched_reorder): Move code that rotates bundles up a bit.
6099 * reload1.c (eliminate_regs_in_insn): Restrict the special case
6100 code not to try to optimize adds with anything but a REG destination.
6102 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
6103 (INSN_PRIORITY_KNOWN): New accessor macro.
6104 * haifa-sched.c (priority): Use it instead of testing priority against
6105 zero.
6107 2001-02-28 DJ Delorie <dj@redhat.com>
6109 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
6110 since that doesn't work the way gcc wants on a generic m68k.
6112 2001-02-28 Richard Henderson <rth@redhat.com>
6114 * caller-save.c (save_call_clobbered_regs): Fix typo in
6115 comparison last change.
6117 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
6119 * i386.c (pentium4_cost): New.
6120 (m_PENT4): New macro.
6121 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
6122 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
6123 x86_integer_DFmode_moves, x86_partial_reg_dependency,
6124 x86_memory_mismatch_stall): Add Pentium4
6125 (x86_use_q_reg, x86_use_any_reg): Kill.
6126 (override_options): Add pentium4.
6127 (incdec_operand): Return 0 for pentium4.
6128 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
6129 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
6130 (TARGET_PENTIUM4): Define.
6131 (enum processor_type): Add PROCESSOR_PENTIUM4.
6132 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
6133 * i386.md (attribute "cpu"): Add pentium4.
6134 * invoke.texi (march): Add pentium4.
6136 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
6138 * i386.md (sse_mov?fcc*): New patterns and splitters.
6139 * i386.c (ix86_expand_movcc): Work post-reload; recognize
6140 the SSE based conditional moves.
6142 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
6144 * i386.md (attribute mode): Add "TI".
6145 (movsf_1): Add pxor support; remove constant propagation splitter.
6146 (movdf_integer): Likewise.
6147 (movdf_nointeger): Likewise.
6148 (movxf constant prop splitter): Handle all modes; update for SSE.
6149 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
6150 * i386.c (standard_80387_constant_p): Rewrite.
6151 (standard_sse_constant_p): New.
6152 * i386-protos.h (standard_sse_constant_p): New.
6154 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
6156 * i386.md (sse_setccsf, sse_setccdf): New.
6157 (sse_cmp* patterns): Use '%D' instead of outputtting condition
6158 flag directly.
6159 * i386.c (sse_comparison_operator): Accept the supported unordered
6160 comparses; be ready for fast_math.
6161 (print_operand): Support 'D'.
6163 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
6165 * jump.c (reversed_comparison_code): Kill.
6167 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
6169 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
6170 for STACK_REGS
6172 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
6174 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
6175 add missing '%' in constraints.
6177 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
6179 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
6180 for HOST_BITS_PER_WIDE_INT == 32 too.
6182 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
6184 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
6185 NREGS.
6186 (insert_save, insert_restore): New parameter save_mode.
6187 (init_caller_save): Update initialization of reg_save_code
6188 and reg_restore_code.
6189 (save_call_clobbered_regs): Compute save_modes and update calls to
6190 reg_save_code and reg_restore_code.
6191 (insert_restore): Unsignetize numbers; use save_modes to choose mode
6192 of spill; update use of reg_restore_code.
6193 (insert_save): Likewise.
6194 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
6195 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
6196 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
6198 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6200 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
6201 noce_try_store_flag_inc, noce_try_store_flag_mask,
6202 noce_try_cmove_arith):
6203 Use reversed_comparison_code instead of reverse_comparison and
6204 can_reverse_comparison_p.
6206 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
6208 * jump.c (reversed_comparison_code_parts): Allow reversal of
6209 unordered compares in -ffast-math mode; reverse ordered compares
6210 for FP even w/o -ffast-math.
6212 2001-02-27 Richard Henderson <rth@redhat.com>
6214 * print-rtl.c (print_rtx) [i]: Don't print field five on
6215 NOTEs other than NOTE_INSN_DELETED_LABEL.
6217 2001-02-27 Zack Weinberg <zackw@stanford.edu>
6219 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
6220 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
6222 2001-02-27 Diego Novillo <dnovillo@redhat.com>
6224 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
6225 even if walk_subtrees is 0.
6226 * c-semantics.c (prune_unused_decls): Return a non-null value to
6227 stop traversing the tree chain.
6229 2001-02-27 DJ Delorie <dj@redhat.com>
6231 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
6232 register, *then* define it as the new CFA.
6234 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
6236 * pa.c (override_options): Promote -fpic to -fPIC.
6237 (legitimize_pic_address): Simplify due to removal of
6238 small PIC as a code generation option.
6239 (secondary_reload_class): Similarly.
6240 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
6241 (PRINT_OPERAND_ADDRESS): Similarly.
6242 * pa.md (various patterns): Similarly.
6243 (small pic lo_sum pattern): Remove.
6245 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
6246 Fergus Henderson
6248 * md.texi (min, max): Document
6250 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
6252 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
6253 TARGET_PARTIAL_REG_DEPENDENCY.
6254 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
6256 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
6258 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
6260 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
6262 * mips.c (mips_make_temp_file): Fix thinko in last change.
6264 2001-02-26 Jason Eckhardt <jle@redhat.com>
6266 * combine.c (known_cond): Do not reverse the condition when
6267 SMAX/UMAX is being considered and the condition is for equality
6268 or inequality.
6270 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
6272 2001-02-26 Philip Blundell <philb@gnu.org>
6274 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
6275 "armv2-*-linux".
6276 * config/arm/linux-elf.h: Remove historical relics related to
6277 above configurations.
6278 * config/arm/linux-oldld.h: Delete.
6279 * config/arm/linux-elf26.h: Delete.
6281 2001-02-26 Jason Merrill <jason@redhat.com>
6283 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
6284 definitions.
6285 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
6286 recognize a tentative definition. Lose obsolete code.
6288 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
6289 variables unless necessary, either.
6291 2001-02-25 Richard Henderson <rth@redhat.com>
6293 * ifcvt.c (struct noce_if_info): Add test_bb.
6294 (noce_get_alt_condition): New.
6295 (noce_try_minmax, noce_try_abs): New.
6296 (noce_operand_ok): New.
6297 (noce_process_if_block): Use them.
6298 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
6300 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
6302 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
6303 include.
6305 2001-02-25 Zack Weinberg <zackw@stanford.edu>
6307 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
6308 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
6309 properly.
6310 (mips_asm_file_end): Free temp_filename here.
6312 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6314 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
6315 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
6317 * config/i386/i386.md (movstrsi): Handle FAIL case.
6319 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
6321 * cppinit.c (builtin_array): Update.
6322 (init_builtins): Flag builtins to warn if redefined or
6323 undefined. Define __GXX_WEAK as a normal macro.
6324 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
6325 * cpplib.h (NODE_WARN): New flag.
6326 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
6327 Handle __STDC__ as a builtin only on Solaris.
6328 (warn_of_redefinition): Renamed from check_macro_definition.
6329 Reverse sense of test. Always warn if NODE_WARN.
6330 (_cpp_create_definition): Use warn_of_redefinition. Flag
6331 any macro beginning with "__STDC_" to require a mandatory
6332 warning if redefined or undefined.
6334 2001-02-24 Zack Weinberg <zackw@stanford.edu>
6336 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
6337 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
6338 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
6339 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
6340 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
6341 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
6342 Don't define any of:
6343 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
6344 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
6345 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
6346 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
6347 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
6349 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
6350 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
6351 definitions.
6353 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
6354 Delete now-empty file.
6356 * alpha/vms.h: Define NEED_ATEXIT here...
6357 * alpha/xm-vms.h: ...not here.
6359 * i386/cygwin.h: Don't define PARAMS.
6360 * mips/mips.c: Don't prototype mktemp. Don't define
6361 P_tmpdir. Use make_temp_file to create temporary files.
6362 Don't be clever and delete temporary files early.
6363 * config.gcc: Drop references to deleted files. Don't define
6364 FULL_PROTOTYPES.
6365 * gcc.texi: Don't mention USE_PROTOTYPES.
6367 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6369 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
6370 (ix86_set_move_mem_attrs_1): Likewise.
6371 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
6372 * config/i386/i386.md (movstrsi): Call it.
6374 2001-02-24 Zack Weinberg <zackw@stanford.edu>
6376 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
6377 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
6378 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
6379 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
6381 (i750a-*-*): Error here if hosting on i750a.
6382 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
6384 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
6385 Remove (empty modulo comments).
6387 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
6388 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
6389 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
6390 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
6391 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
6392 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
6394 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
6395 Remove reference to winnt.h in comment.
6396 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
6398 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6400 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
6401 used to set another biv.
6403 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6405 * tree.h (BLOCK_DEAD): New macro.
6406 (struct tree_block): New flag, dead_flag.
6407 * print-tree.c (print_node, case 'b'): Print missing fields.
6408 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
6409 * function.c (identify_blocks): Enable test for misplaced notes.
6410 (all_blocks): Skip BLOCK_DEAD blocks.
6411 * integrate.c (integrate_decl_tree): Likewise.
6413 * errors.c (internal_error, trim_filename): New functions.
6414 (fancy_abort): Call internal_error.
6415 * errors.h (internal_error, trim_filename): New declarations.
6417 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
6419 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
6420 2000-08-26's patch.
6421 (EXTRA_CONSTRAINT): Formatting changes.
6423 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6425 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
6427 2001-02-23 Per Bothner <per@bothner.com>
6429 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
6430 so they can be called from java/jvspec.c.
6431 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
6433 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
6435 * i386.c (ix86_frame): New structure.
6436 (ix86_compute_frame_size): Kill.
6437 (ix86_compute_frame_layout): New.
6438 (ix86_save_reg): New.
6439 (ix86_can_use_return_insn_p): Use frame layout stuff.
6440 (ix86_expand_prologue): Likewise.
6441 (ix86_expand_epilogue): Likewise.
6442 (ix86_initial_elimination_offset): Likewise.
6443 (ix86_nsaved_regs): Use ix86_save_reg.
6444 (ix86_emit_save_regs): Likewise.
6446 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
6448 * flow.c (find_sub_basic_blocks): New function.
6449 (split_block): Be ready for basic block introduced by CODE_LABEL.
6450 (commit_one_edge_insertion): Call find_sub_basic_block.
6452 * flow.c (make_edges): Add edge from entry for blocks starting with
6453 label having ALTERNATE_NAME
6455 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
6457 * function.c (epilogue_done): Be ready for first basic block not
6458 containing PROLOGUE_END note.
6459 (reposition_prologue_and_epilogue_notes): Avoid placing
6460 PROLOGUE_END note between BASIC_BLOCK.
6462 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
6464 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
6466 2001-02-21 DJ Delorie <dj@redhat.com>
6468 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
6469 check for current_function_has_nonlocal_goto from 1999-11-12.
6471 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6473 * diagnostic.c (trim_filename): No longer static.
6474 * toplev.h (trim_filename): Declare.
6475 * rtl.c (rtl_check_failed_bounds): Call internal_error.
6476 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
6477 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
6478 (rtvec_check_failed_bounds): Likewise.
6479 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
6481 * convert.c (convert_to_integer): Don't do unsigned unless result or
6482 both inputs are unsigned.
6484 * fold-const.c (fold_convert): Don't call size_int_type_wide if
6485 input overflows.
6487 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
6489 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
6491 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
6493 * Makefile.in (resource.o): Add params.h dependence.
6494 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
6495 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
6496 * resource.c: Add dependence on params.h.
6497 (current_live_regs): Fix explanatory comment.
6498 (find_basic_block): Add new parameter to permit limiting search
6499 for a BARRIER.
6500 (mark_target_live_regs): Add new argument to find_basic_block call.
6501 (incr_ticks_for_insn): Likewise.
6503 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6505 * diagnostic.c (output_to_stream): Rename to
6506 output_buffer_to_stream. Loses the stream parameter.
6507 (init_output_buffer): Set diagnosic_buffer's stream.
6508 (flush_diagnostic_buffer): Adjust.
6509 (default_print_error_function): Likewise.
6510 (finish_diagnostic): Likewise.
6511 (verbatim): Likewise.
6513 * diagnostic.h (struct output_buffer): Add `stream' field.
6514 (output_buffer_attached_stream): New macro.
6516 2001-02-23 Jakub Jelinek <jakub@redhat.com>
6518 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
6519 check if either operand is divisible by C.
6520 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
6521 If type is signed, consider negative numbers as well.
6523 2001-02-22 Richard Henderson <rth@redhat.com>
6525 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
6526 reach .text instead of gp-relative relocs.
6527 * config/ia64/crtend.asm (.init): Likewise.
6529 2001-02-22 Andreas Jaeger <aj@suse.de>
6531 * extend.texi (C++ Attributes): Fix typo.
6533 2001-02-21 David Mosberger <davidm@hpl.hp.com>
6535 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
6536 functions, drop current_function_args_info.words test.
6537 (ia64_compute_frame_size): Mark syscall_linkage functions as
6538 using eight input registers.
6540 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
6541 Bruce Korb <bkorb@gnu.org>
6543 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
6544 * fixinc/README: Document how to convert sed substitutions
6545 to format style c_fix-es.
6546 * fixinc/fixincl.x: regen
6548 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
6550 * gcc.c: Add comment explaining how to add a command-line option.
6551 Add title to specs language comment.
6553 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
6555 * gcc.c (cc1_options): Add "-param".
6556 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
6557 (option_map): Likewise.
6558 * toplev.c (display_help): Add entry for "--param".
6559 (independent_decode_option): Fix typographical error.
6561 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
6562 Bernd Schmidt <bernds@redhat.com>
6563 Jan Hubicka <jh@suse.cz>
6565 * i386.c (function_arg_advance): Pass SSE arguments in registers.
6566 (function_arg): Likewise.
6568 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
6570 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
6572 2001-02-21 Kazu Hirata <kazu@hxi.com>
6574 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
6575 character.
6576 (xorsi3): Likewise.
6578 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
6580 * flow.c (init_propagate_block_info): Canon address and use single_set
6581 for killing dead memory stores.
6583 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
6585 * Makefile.in (reorg.o): Add params.h dependence.
6586 * params.def: Fix typographical error in comment.
6587 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
6588 * params.h: Modify introductory comment.
6589 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
6590 * reorg.c: Add dependence on params.h.
6591 (redundant_insn): Add parameterized throttle for search.
6592 (fill_simple_delay_slots): Add a comment explaining a variable.
6593 Move conditional out of loop, simplifying code.
6594 (fill_eager_delay_slots): Fix typographical error in comment.
6596 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
6598 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
6600 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
6601 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
6603 2001-02-21 Jason Merrill <jason@redhat.com>
6605 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
6606 (struct tree_decl): Add uninlinable bitfield.
6607 * c-decl.c (duplicate_decls): Set it.
6608 * integrate.c (function_cannot_inline_p): Check it.
6610 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
6611 DW_AT_MIPS_linkage_name to abstract methods.
6612 (dwarf2out_abstract_function): Emit class context before calling
6613 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
6614 (gen_subprogram_die): Remove obsolete code.
6615 (gen_member_die): Don't include clones in the member list.
6616 (gen_decl_die): Emit abstract info for clone origin.
6617 * dwarfout.c (output_type): Don't include clones in the member list.
6618 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
6619 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
6620 DECL_ABSTRACT on a function that already has it set.
6622 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
6623 (get_subprogram_die): Pass it in.
6625 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
6627 * flow.c (mark_set_1): Make not_dead unsigned long. For
6628 non-pseudos, use it as a bitmask of the hard regs that
6629 don't die.
6631 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
6633 * cppfiles.c: Update comments.
6634 (_cpp_read_file): Don't check for NULL filenames any more.
6635 * cppinit.c (cpp_start_read): Don't do canonicalization of
6636 in_fname and out_fname. Use the passed file name exclusively.
6637 (_cpp_handle_options): Don't treat "-" as a command line option,
6638 but as a normal filename.
6639 (_cpp_post_options): Canonicalize in_fname and out_fname.
6640 * cppmain.c (printer_init): Don't check out_fname for NULL.
6641 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
6642 (init_c_lex): Update, and use "" to represent stdin to CPP.
6643 (yyparse): Update.
6645 2001-02-20 Will Cohen <wcohen@redhat.com>
6647 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
6648 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
6649 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
6650 fixunstfsi_libfunc.
6652 2001-02-20 Stan Shebs <shebs@apple.com>
6654 * config/rs6000/rs6000.c (output_cbranch): Output branches
6655 on separate lines instead of using ';' to separate.
6657 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
6659 * cppinit.c (set_lang): Move builtin handling to...
6660 (init_builtins): ...here.
6661 (_cpp_create_reader): Move call to set_lang.
6663 2001-02-20 Mark Mitchell <mark@codesourcery.com>
6665 * stmt.c (expand_return): If an attempt is made to return the
6666 error_mar_node, treat the return like a return without a value.
6668 2001-02-19 Zack Weinberg <zackw@stanford.edu>
6670 * sibcall.c (skip_copy_to_return_value): Call
6671 identify_call_return_value here, and return orig_insn if it
6672 returns zero. Hardret and softret arguments now unnecessary.
6673 (call_ends_block_p): Don't call identify_call_return_value here.
6675 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
6676 's' slots in RTXen.
6677 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
6678 * ggc.h (ggc_mark_if_gcable): Delete prototype.
6680 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
6682 * pa.c (move_operand): Accept code to load the address of a
6683 symbol out of the DLT as a valid move operand.
6684 (print_operand, case 'A'): New to handle generating a DLT
6685 reference for a LO_SUM expression.
6686 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
6687 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
6689 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
6691 * README, cpp.texi, gcc.texi, version.c: Update version number to
6692 3.1.
6693 * cpp.1, gcov.1, gcc.1: Regenerate.
6695 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
6697 * cppfiles.c (stack_include_file): Generate dependencies
6698 here, and manage include_count here too.
6699 (PRINT_THIS_DEP): Delete.
6700 (_cpp_execute_include): Do not generate dependencies here,
6701 apart from the case of a missing header. Do not manage
6702 include_count.
6703 (_cpp_read_file): Leave dependency generation to
6704 stack_include_file.
6706 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
6708 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
6709 target_cpu_default. Remove dead assignment to
6710 target_cpu_default.
6712 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
6714 * regclass.c (contains_reg_of_mode): Make global.
6715 (init_reg_sets): Remove contains_reg_of_mode; take into account
6716 CLASS_MAX_NREGS when looking for the proper mode.
6717 (dump_regclass): Dump only classes considered for the pseudo.
6718 (regclass): Use contains_reg_of_mode.
6720 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
6722 * gcc.c (do_spec_1): 'n' for printing notices.
6723 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
6725 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
6727 * reg-stack.c (next_flags_user): Use current_block->end
6728 (swap_rtx_condition): Look for next user if flags don't die;
6729 give up on CALL_INSNs; use current_block->end.
6731 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6733 * sibcall.c (call_ends_block_p): New function.
6734 (optimize_sibling_and_tail_recursive_call): Use it.
6736 2001-02-18 Kazu Hirata <kazu@hxi.com>
6738 * config/h8300/h8300.md: Update copyright.
6739 (andsi3): Do not output an extra newline character.
6741 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6743 * toplev.c (note_deferral_of_defined_inlined_function): Argument
6744 FNDECL may be unused.
6746 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
6747 follow jumps after first run.
6748 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
6749 it doesn't change any jumps.
6751 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
6753 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
6754 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
6755 (mostlyclean): Corresponding changes.
6756 * rtlanal.c (hard-reg-set.h): Include.
6757 (rtx_unstable_p): Do not treat the argument pointer specially
6758 if it is not a fixed register.
6759 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
6761 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6763 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
6764 against last real insn in basic block.
6765 Rework to avoid gotos.
6767 * Makefile.in (gcse.o): Now includes ggc.h.
6768 * gcse.c: Include ggc.h.
6769 (want_to_gcse_p): Verify expression can be in SET as valid insn.
6770 (try_replace_reg): Remove warning of uninitialize variable.
6771 (process_insert_insn): Call invalid_insn_p to validate insn.
6772 * recog.c (insn_invalid_p): Now global.
6773 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
6774 * recog.h (insn_invalid_p): New declaration.
6776 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
6778 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
6779 assignments from FP constants since 'Y' output code can't handle it.
6780 (eligible_for_sibcall_delay): Likewise.
6782 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
6783 Call fancy_abort directly, passing args.
6784 (print_rtl_and_abort): Now a macro, like fancy_abort.
6786 * final.c (output_operand_lossage): Use internal_error, not error.
6788 2001-02-18 Shane Nay <shane@agendacomputing.com>
6790 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
6791 structure shift insns.
6793 2001-02-18 Mark Mitchell <mark@codesourcery.com>
6795 * invoke.texi (-fsquangle): Remove documentation.
6796 (-fname-mangling-version): Likewise.
6798 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
6800 * optabs.c (expand_abs): Remove reference to
6801 HAVE_contitional_arithmetic.
6802 * combine.c (simplify_set): Likewise.
6804 2001-02-18 Richard Henderson <rth@redhat.com>
6806 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
6807 would be disrupted.
6809 2001-02-18 Richard Henderson <rth@redhat.com>
6811 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
6813 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
6815 * reload1.c (reload_cse_simplify_set): Fix typo.
6817 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6819 * diagnostic.c (_fatal_insn): Decrement errorcount.
6821 * invoke.texi (-I): Add note avoiding use for system header files.
6823 * rtl.h (add_clobbers): Remove duplicate declaration.
6824 * recog.h (added_clobbers_hard_reg_p): New declaration.
6825 * genemit.c (struct clobber_pat): New field has_hard_reg.
6826 (gen_insn): Record if added clobbers clobber hard reg.
6827 (gen_split): Avoid unused warning if number of operands is 0.
6828 (output_added_clobbers_hard_reg_p): New function.
6829 (main): Call it.
6831 2001-02-18 Alan Modra <alan@linuxcare.com.au>
6833 * pa.c (hppa_expand_prologue): Simplify code storing return
6834 pointer. For large (>=8k) frames with a post_store, adjust stack
6835 pointer by 8k-64 first rather than by 64. When testing with
6836 VAL_14_BITS_P, always use the actual value rather than the value
6837 negated. Add blockage to prevent scheduling of spills before
6838 stack frame has been created.
6839 (hppa_expand_epilogue): Simplify code loading return pointer.
6840 Allow a slightly larger range for merge_sp_adjust_with_load case.
6841 When testing with VAL_14_BITS_P, always use the actual value.
6843 * pa.c (pa_adjust_insn_length): Check that block move
6844 pattern is a set before looking at operands.
6846 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6848 * fold-const.c (fold_binary_op_with_conditional_arg): New
6849 function, split out from ...
6850 (fold): ... here.
6851 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
6852 conditional arms that throw exceptions.
6854 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
6855 looking at a BLOCK.
6857 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6859 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
6860 define HAVE_DECL_* to 1 to mask potential backup declarations.
6861 * configure: Regenerated.
6863 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6865 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
6867 2001-02-17 Richard Henderson <rth@redhat.com>
6869 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
6870 when replacing a memory load with a register.
6872 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6873 Jan Hubicka <jh@suse.cz>
6875 * recog.c (validate_replace_src_1): New.
6876 (validate_replace_src_data): Likewise.
6877 (validate_replace_src): Use note_uses.
6878 * rtl.h (note_uses): Declare.
6879 * rtlanal.c (note_uses): New.
6881 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
6883 * reg-stack.c (stack_def): Make field reg unsigned.
6884 (remove_regno_note): Unsignetize parameter.
6886 2001-02-16 Jes Sorensen <jes@linuxcare.com>
6888 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
6889 shladd_operand() call.
6891 2001-02-16 Bruce Korb <bkorb@gnu.org>
6892 Rodney Brown <RodneyBrown@mynd.com>
6894 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
6895 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
6896 machine restrictions
6897 * fixinc/fixincl.x: regen
6899 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6901 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
6902 Don't CSE a nop.
6903 (hash_scan_insn): Clean up calls to hash_scan_set.
6904 (compute_kill_rd): REGNO now unsigned.
6905 (try_replace_reg): Rework to use simplify_replace_rtx.
6906 (cprop_jump, cprop_cc0_jump): Likewise.
6907 (cprop_insn): Call find_reg_equal_equiv_note.
6908 Reflect changes to cprop_jump and cprop_cc0_jump.
6910 * recog.c (validate_replace_src): Replace in operands of
6911 ZERO_EXTRACT in SET_DEST.
6913 * cse.c (new_label_ref): New variable.
6914 (insert): Set it instead of recorded_label_ref.
6915 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
6916 CODE_LABEL for this function, and not already in REG_LABEL note.
6918 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
6920 * resource.c (mark_referenced_resources): Fix typo in introductory
6921 comment.
6922 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
6923 string constant.
6925 2001-02-16 Jason Merrill <jason@redhat.com>
6927 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
6928 NULL.
6929 (gen_subprogram_die): Don't abort on seeing a second definition if
6930 the previous one was abstract. Don't replace an abstract instance
6931 in the lookup table.
6933 * dwarf2out.c (dwarf2out_abstract_function): Rename from
6934 gen_abstract_function.
6935 * dwarf2out.h: Declare it.
6936 * toplev.c (note_outlining_of_inline_function): New fn.
6937 * toplev.h: Declare it.
6938 * integrate.c (output_inline_function): Call it.
6939 * c-decl.c (duplicate_decls): Call it when redefining an extern
6940 inline. Don't inline the new defn.
6942 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
6944 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6946 * .gdbinit: Rename to gdbinit.in.
6947 * gdbinit.in: New file,
6948 * configure.in: Generate .gdbinit from gdbinit.in.
6949 * configure: Regenerated.
6950 * Makefile.in (distclean): Always remove .gdbinit.
6952 2001-02-16 Jakub Jelinek <jakub@redhat.com>
6954 * objc/objc-act.c (start_class): Register implemented_classes with
6955 GC.
6957 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
6959 * cppfiles.c (_cpp_make_system_header): Generate a file
6960 change callback.
6962 2001-02-15 Jim Meyering <meyering@lucent.com>
6964 * Makefile.in (install-common): Don't depend on installdirs here.
6965 Instead, make each of the lang.install-common targets (e.g.,
6966 c++.install-common in cp/Make-lang.in) depend on it.
6967 (install-driver): Depend on installdirs.
6969 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6971 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
6973 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
6974 do in memory.
6976 2001-02-15 Mark Mitchell <mark@codesourcery.com>
6978 * invoke.texi (--param): Document.
6980 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
6982 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
6984 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
6986 * i386.md (extendsfdf2_2): Fix constraints.
6988 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
6990 * i386.md (fop_df_3 splitter): Fix operand number.
6992 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
6994 * invoke.texi (-mreg-alloc): Nuke.
6995 * i386.c (ix86_reg_alloc_order, regs_allocated,
6996 order_regs_for_local_alloc): Nuke.
6997 (override_options): Kill reg_alloc code.
6998 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
6999 (REG_ALLOC_ORDER): SSE goes before I387.
7000 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
7001 (ix86_reg_alloc_order): Likewise.
7002 * i386-protos.h (ix86_reg_alloc_order): Kill.
7004 2001-02-14 Richard Henderson <rth@redhat.com>
7006 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
7008 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
7010 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
7012 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
7014 * i386-protos.h (ix86_memory_move_cost): Move offline.
7015 * i386.c (ix86_register_move_cost): Compute properly cost of
7016 SSE, MMX and i387 instructions.
7017 (*_cost): Add costs of SSE/MMX moves.
7018 (ix86_memory_move_cost): Move offline from ....; Likewise.
7019 * i386.h (MEMORY_MOVE_COST): .... here;
7020 (struct processor costs): Add new fields to represent costs
7021 of SSE/MMX moves.
7023 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
7025 * regclass.c (init_reg_sets_1): Reinstall the optimization of
7026 move_cost together with Matt Kraai's fix.
7028 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7030 * Makefile.in (OBJS): Add params.o.
7032 2001-02-14 Richard Henderson <rth@redhat.com>
7033 DJ Delorie <dj@redhat.com>
7035 * jump.c (jump_optimize_1): When we delete a conditional jump
7036 preceeding a non-conditional jump to effectively the same place,
7037 make sure that the combined jump skips any clobber insns between
7038 the two labels.
7040 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7042 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
7044 2001-02-14 Mark Mitchell <mark@codesourcery.com>
7046 * Makefile.in (toplev.o): Depend on params.h.
7047 (intergate.o): Likewise.
7048 (params.o): New target.
7049 * flags.h (inline_max_insns): Remove.
7050 * integrate.c: Include params.h.
7051 Use MAX_INLINE_INSNS instead of inline_max_insns.
7052 * params.c: New file.
7053 * params.h: Likewise.
7054 * params.def: Likewise.
7055 * toplev.c: Include params.h.
7056 (lang_independent_params): New variable.
7057 (decode_f_option): Use the param machinery instead of setting
7058 max_inline_insns.
7059 (independent_decode_option): Handle "--param name=value".
7060 (main): Register language-independent parameters.
7062 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
7064 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
7066 2001-02-14 Richard Henderson <rth@redhat.com>
7068 * regclass.c (init_reg_sets_1): Revert last two changes.
7070 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7072 * stor-layout.c (is_pending_size, put_pending_size): New functions.
7073 (variable_size): Call put_pending_size.
7074 * tree.h (is_pending_size, put_pending_size): Add prototypes.
7075 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
7076 sizes list, put newly created SAVE_EXPR there as well.
7078 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7080 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
7081 (errata_find_address_regs): load_group has only 2 entries.
7082 (errata_emit_nops): Likewise. shladd is not problematic.
7083 Clear last_group if nop was emitted.
7084 (fixup_errata): load_group has only 2 entries.
7085 Optimize.
7087 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
7089 * c-lex.c (lex_number): Only warn traditionally for U suffix
7090 outside system macros.
7091 * cppexp.c (parse_number): Similarly.
7092 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
7093 * cppmacro.c (struct cpp_macro): New member node.
7094 (parse_args): Only warn about missing rest args if not
7095 a system macro.
7096 (funlike_invocation_p): Similarly for uninvoked funlike macros.
7097 (cpp_sys_objmacro_p): New.
7098 (_cpp_create_definition): Store the node with the macro defn.
7099 Remember if the macro is defined in a system header.
7101 2001-02-13 DJ Delorie <dj@redhat.com>
7103 * configure.in (check_languages): determine languages to check
7104 * Makefile.in (check-c++): alias for check-g++
7105 (check-f77): alias for check-g77
7106 (CHECK_TARGETS): depend on configured languages
7108 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
7110 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
7111 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
7112 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
7113 (sqrtextendsfdf2): Disable for SSE2.
7115 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7117 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
7118 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
7119 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
7120 (sqrtextendsfdf2): Disable for SSE2.
7122 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
7124 * i386.md (movsfcc_1): Support integer cmove instruction.
7125 (movdfcc_1): Likewise; new splitter.
7127 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
7129 * i386.c (output_fp_compare): Support SSE.
7130 (prepare_fp_compare_args): SSE comparisons always support memory.
7131 * i386.h (TARGET_CMOVE): SSE imply cmove.
7132 * i386.md (cmp?f2): Enable for SSE too.
7133 (cmpfp_i*): Support SSE.
7134 (cmpfp_i_sse): New.
7135 (cmpfp_i_sse_only): New.
7136 (s*, b* fp expanters): Enable for SSE too.
7137 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
7138 New patterns.
7140 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
7142 * regclass.c (init_reg_sets_1): Silence warning.
7144 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
7146 * i386.md (sqrt?f2): Change to expander.
7147 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
7149 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7151 * rtlanal.c (find_reg_equal_equiv_note): New function.
7152 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
7153 (simplify_gen_relational, simplify_replace_rtx): Likewise.
7154 * rtl.h: Add declarations for above functions.
7156 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
7158 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
7159 conditionals.
7160 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
7161 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
7162 * flow.c (mark_regs_live_at_end): Likewise.
7163 (calculate_global_regs_live): Likewise.
7164 * gcse.c (compute_hash_table): Likewise.
7165 (compute_kill_rd): Likewise.
7166 * resource.c (mark_target_live_regs): Likewise.
7167 * rtl.h (INVALID_REGNUM): New macro.
7169 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
7171 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
7173 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
7175 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
7176 for SSE.
7178 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
7180 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
7181 too.
7182 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
7183 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
7184 (fop_sf_1_sse, fop_df_1_sse): New patterns
7185 (fop_*): Disable float_extend and float patterns for SSE compilation.
7186 * i386.c (output_387_binary_op): Support SSE.
7188 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
7190 * i386.md (dummy_extendsfdf2): Support SSE2
7191 (extendsfdf2): Enable if 80387 or SSE2.
7192 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
7193 and no MIX_I387_SSE2
7194 (extendsfdf2_1_sse_only): New pattern.
7195 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
7196 of SSE.
7197 (truncdfsf2_1): Support SSE.
7198 (truncdfsf2_2): Support SSE.
7199 (truncdfsf2_2_1_sse): New pattern.
7200 (fixtruncsfsi2): Always use SSE if available.
7201 (fix_truncsfsi_sse): New pattern.
7202 (fix_truncdfsi_sse): New pattern.
7203 (floatsis?f2): Support SSE.
7204 (floatsidf2_i387): New pattern.
7205 (floatsidf2_sse): Likewise.
7207 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7209 * configure.in: Use "have_gnat" variable, not "gnat".
7210 * configure: Regenerated.
7212 * config/sparc/sparc.c (function_value): Treat all non-record
7213 aggregate types like used to treat UNION_TYPE.
7215 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
7217 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
7218 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
7219 (MASK_SSE2): New.
7220 (MASK_MIX_SSE_I387): New.
7221 (TARGET_SSE): SSE2 imply SSE.
7222 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
7223 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
7224 (enum reg_class): Add new classes.
7225 (REG_CLASS_NAMES): Likewise.
7226 (REG_CLASS_CONTENTS): Likewise.
7227 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
7228 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
7229 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
7230 (CLASS_MAX_NREGS): Use new macros.
7231 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
7232 * i386.md (pushsf, movsf): Support SSE.
7233 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
7234 splitters to use ANY_FP_REGNO_P.
7235 (movdf_nointeger, movdf_integer): Likewise.
7237 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
7239 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
7240 (try_combine): Use it.
7242 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
7244 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
7245 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
7246 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
7247 (REGISTER_MOVE_COST): Likewise.
7248 * i386-protos.h (ix86_secondary_memory_needed,
7249 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
7250 * i386.c (ix86_secondary_memory_needed,
7251 ix86_preferred_reload_class, ix86_register_move_cost): New function.
7253 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
7255 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
7256 (HARD_REGNO_MODE_OK): Move offline to ....
7257 * i386.c (ix86_hard_regno_mode_ok) ... here;
7258 refuse all incorrect modes.
7259 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
7261 2001-02-13 Richard Henderson <rth@redhat.com>
7263 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
7264 entire operator; replicate that and match_dup the operands.
7265 (cmp_ccx_arith_op_set): Likewise.
7266 (cmp_cc_arith_op_not_set): Likewise.
7267 (cmp_ccx_arith_op_not_set): Likewise.
7269 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
7271 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
7273 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
7275 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
7276 (TARGET_NO_BITFIELD_WORD): New macro.
7277 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
7278 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
7280 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7282 * cselib.c: New file, from simplify-rtx.c.
7283 * simplify-rtx.c: Remove cselib parts.
7284 * Makefile.in: Add cselib.o.
7286 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
7288 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
7289 (setup_incoming_varargs): Remove warning.
7291 * config/rs6000/rs6000.c (validate_condition_mode): When
7292 flag_fast_math, allow floating-point conditionals to be reversed.
7293 (rs6000_generate_compare): When flag_fast_math, don't generate
7294 cror operations for FP conditionals.
7296 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
7297 -mcall-i960.
7298 (ASM_SPEC): Likewise.
7299 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
7300 (CC1_SPEC): Likewise.
7301 (LINK_TARGET_SPEC): Likewise.
7302 (CPP_ENDIAN_SPEC): Likewise.
7303 * Makefile.in (check-consistency): New target.
7305 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
7307 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
7308 "return type defaults" warning for functions with return type
7309 defaulting to int.
7310 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
7311 function declarations by default rather than only when pedantic.
7313 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
7315 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
7316 arrays.
7318 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
7320 * extend.texi (Deprecated): Deprecate new initializer lists.
7322 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
7324 * mkdeps.c (deps_add_default_target): Robustify. Add
7325 basename component only.
7326 * cpp.texi (-M): Describe how default target is generated.
7327 * invoke.texi (-M): Likewise.
7329 2001-02-12 Kazu Hirata <kazu@hxi.com>
7331 * toplev.c (push_float_handler): Remove.
7332 (pop_float_handler): Remove.
7333 * toplev.h: Remove prototypes for the above functions.
7335 2001-02-12 Jakub Jelinek <jakub@redhat.com>
7337 * c-common.c (constant_fits_type_p): New function.
7338 (convert_and_check): Use it.
7340 2001-02-11 Mark Mitchell <mark@codesourcery.com>
7342 * Makefile.in (GXX_ABI_FLAG): Don't define.
7343 * configure.in (--enable-new-gxx-abi): Remove option.
7344 * config.in: Regenerated.
7345 * configure: Likewise.
7347 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
7349 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
7350 basic block.
7351 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
7352 regular basic block, and arrange for all edges into it to switch
7353 to normal mode.
7355 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7357 * Makefile.in (distclean): Do not remove .gdbinit.
7359 2001-02-11 Mark Mitchell <mark@codesourcery.com>
7361 * Makefile.in (gcc.o): Fix typos.
7362 (protize.o): Likewise.
7363 (unprotoize.o): Likewise.
7365 2001-02-11 Richard Henderson <rth@redhat.com>
7367 * tree.c (build1): Check for null operand in last change.
7369 2001-02-11 Richard Henderson <rth@redhat.com>
7371 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
7372 (fold): Don't assume a constant isn't foldable.
7373 * tree.c (build): Set TREE_CONSTANT for an expression with no
7374 side-effects and constant operands.
7375 (build1): Likewise.
7377 2001-02-10 Richard Henderson <rth@redhat.com>
7379 * jump.c (squeeze_notes): Revert 2000-05-12 change.
7381 2001-02-10 Anthony Green <green@redhat.com>
7383 * cpp.texi (Standard Predefined): Add documentation for
7384 __OPTIMIZE_SIZE__.
7386 * c-common.c (combine_strings): Improve warning message.
7388 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
7390 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
7391 --oformat.
7392 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
7394 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
7396 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
7397 CYGWIN_CROSS_DIR.
7399 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
7401 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
7402 fp_mode attribute.
7404 2001-02-09 Nick Clifton <nickc@redhat.com>
7406 * config/arm/arm.md: Change output contraint on post inc
7407 load/store multiple patterns to be a read/write contraint.
7409 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
7411 * gcc.c (cpp_options): Delete .d files on error. Don't delete
7412 .o files when using the -M options.
7414 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7415 David Edelsohn <edelsohn@gnu.org>
7417 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
7418 handle DImode constants. Use one TOC entry for SImode and smaller
7419 constants, aligned properly.
7421 2001-02-08 Jason Merrill <jason@redhat.com>
7423 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
7424 about the SP adjustment for saving the static chain pointer.
7425 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
7426 offset when setting a temporary CFA register.
7428 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
7430 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
7431 powerpc-*-chorusos* .
7432 * config/rs6000/chorus.h : New file.
7433 * config/i386/chorus.h : New file.
7434 * config/sparc/chorus.h : New file.
7435 * config/sparc/t-chorus-elf : New file.
7437 2001-02-08 David Edelsohn <edelsohn@gnu.org>
7439 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
7440 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
7441 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
7442 (__WCHAR_TYPE__): Correct macro name.
7444 2001-02-08 Richard Henderson <rth@redhat.com>
7446 * config/i386/i386.c (ix86_frame_pointer_required): New.
7447 (ix86_setup_frame_addresses): New.
7448 (struct machine_funciton): Add accesses_prev_frame.
7449 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
7450 ix86_frame_pointer_required.
7451 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
7452 (SETUP_FRAME_ADDRESSES): New.
7453 * config/i386/i386-protos.h: Update.
7454 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
7455 from FRAME_POINTER_REQUIRED.
7456 * config/i386/svr3gas.h: Likewise.
7457 * config/i386/sysv3.h: Likewise.
7458 * config/i386/v3gas.h: Likewise.
7460 2001-02-08 Richard Henderson <rth@redhat.com>
7462 * config/sparc/sparc.c (function_arg_record_value_3): Fix
7463 calculation of the number of integer registers required.
7464 (function_arg_record_value): Likewise.
7466 2001-02-08 Jason Merrill <jason@redhat.com>
7468 * diagnostic.c (internal_error): Say "confused" after 1 error, not
7469 two. Print file and line with "confused" message.
7471 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
7473 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7475 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
7477 2001-02-08 Bernd Schmidt <bernds@redhat.com>
7479 * final.c (cleanup_subreg_operands): The address of a MEM can
7480 contain SUBREGs.
7482 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
7483 for asms, too.
7485 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
7487 * gcc.texi (Incompatibilities): Update documentation of
7488 preprocessing numbers.
7490 2001-02-07 Jakub Jelinek <jakub@redhat.com>
7492 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
7494 2001-02-07 Mark Mitchell <mark@codesourcery.com>
7496 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
7498 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
7499 * gcc.c (struct compiler): Add cpp_spec field.
7500 (input_file_compiler): New variable.
7501 (do_spec_1): Allow a particular compiler to handle `%C'
7502 specially.
7503 (main): Store the current compiler in input_file_compiler.
7504 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
7506 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
7508 * cpphash.h (struct spec_nodes): Add n_true and n_false.
7509 * cppinit.c (cpp_create_reader): Initialize them.
7510 (append_include_chain): cxx_aware arg might be unused.
7511 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
7512 keywords and give them their phase 7 meaning. Pedwarn about
7513 this unless '__bool_true_false_are_defined' is defined.
7515 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
7517 * lcm.c (optimize_mode_switching): Emit mode_set before the
7518 JUMP_INSN of an abnormal edge.
7520 2001-02-07 Bernd Schmidt <bernds@redhat.com>
7522 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
7523 a scheduling barrier at the end.
7525 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
7527 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
7529 * config/sh/sh.md (reload_outsf): Removed.
7530 (movsf_ie): Introduce constraints for FPUL loads and stores.
7531 (reload_insf): Broaden the output constraint.
7533 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
7534 defined.
7535 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
7536 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
7538 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
7540 * final.c: Revert my previous changes.
7541 * output.h: Make profile_label_no extern.
7542 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
7543 for generating label.
7545 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
7547 * config/i386/djgpp.h: Add comments about standard paths.
7548 (MD_EXEC_PREFIX): Undefine before defining.
7549 (MD_STARTFILE_PREFIX): New.
7551 2001-01-30 Bruce Korb <bkorb@gnu.org>
7553 fixinc/fixincl.c(process): Emit error message only if appropriate :)
7554 (load_file): do not rely on load_file_data() to close file pointer
7555 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
7556 fixinc/inclhack.def(irix_limits_const): add test_text
7558 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
7560 * cppexp.c (parse_defined): Improve diagnostics for invalid
7561 syntax.
7563 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
7565 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
7567 2001-02-06 Mark Mitchell <mark@codesourcery.com>
7569 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
7570 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
7571 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
7572 (rs6000_output_symbol_ref): New function.
7573 (output_toc): Use VTABLE_NAME_P.
7575 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7577 * print-tree.c (print_node, case PARM_DECL):
7578 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
7580 * stor-layout.c (reference_types_internal): New variable.
7581 (internal_reference_types): New function.
7582 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
7583 * tree.h (internal_reference_types): New declaration.
7585 * cse.c (find_best_addr): Fix typo in computing cost.
7587 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7589 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
7590 and this is the sum of a pointer and a constant, we know the result
7591 did not overflow.
7592 (num_sign_bit_copies, case PLUS): Likewise.
7593 * explow.c (convert_memory_address): Remove opposite SUBREG.
7594 * function.c (instantiate_new_reg): New function (from common code).
7595 (instantiate_virtual_regs_1): Call it.
7596 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
7597 if pointers sign- or zero-extend.
7598 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
7599 If pointers extend unsigned, use inside of SUBREG.
7600 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
7602 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
7604 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
7605 subdir of gcc_gxx_include_dir.
7606 (gcc_gxx_target_include_dir): Remove.
7608 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
7610 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
7611 (dwarf2out_frame_debug_expr): Revise introductory comments to add
7612 a high-level description.
7614 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
7616 * final.c: Move the declaration of profile_label_no to ...
7617 * output.h: ... here.
7618 * function.c (expand_function_start): Call PROFILE_HOOK.
7619 * config/rs6000/aix.h: Define PROFILE_HOOK.
7620 * config/rs6000/rs6000-protos.h: output_profile_hook new.
7621 * config/rs6000/rs6000.c (output_profile_hook): Define.
7622 (output_prolog): Do nothing for ABI_AIX as it is taken care by
7623 output_profile_hook.
7624 tm.texi : Explain new macro PROFILE_HOOK.
7626 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
7628 * extend.texi (Extended Asm): Do not say that semicolon is always
7629 a valid line-breaking character for GNU assemblers. Use
7630 newline-tab as the most commonly supported syntax. Use
7631 newline-tab rather than semicolon in multi-insn examples.
7633 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7635 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
7637 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7638 David Edelsohn <edelsohn@gnu.org>
7640 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
7641 code for AIX, even without flag_pic.
7643 2001-02-05 Jakub Jelinek <jakub@redhat.com>
7645 * c-typeck.c (common_type): push and pop binding level around
7646 calling common_type on function parameters.
7648 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
7650 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
7652 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7654 * config/mips/mips.c (override_options): Fix typo in last change.
7655 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
7656 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
7658 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
7660 * invoke.texi (-fdump-class-layout): Document.
7661 (-fdump-translation-unit): Use `=' as filename separator.
7663 2001-02-05 Mark Mitchell <mark@codesourcery.com>
7665 * Makefile.in (s-mlib): Don't build multilibs if
7666 --disable-multilib.
7667 (DRIVER_DEFINES): Adjust accordingly.
7668 (gcc.o): Likewise.
7669 (protoize.o): Likewise.
7670 (unprotoize.o): Likewise.
7671 * configure.in: Recognize --enable-multilib.
7673 2001-02-04 Mark Mitchell <mark@codesourcery.com>
7675 * Makefile.in (DRIVER_DEFINES): Fix quoting.
7677 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
7678 * configure.in: Remove --enable-libstdcxx_v3 support.
7679 * configure: Regenerated.
7681 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7683 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
7684 Call abort instead of fatal.
7685 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
7686 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
7687 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
7688 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
7689 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
7690 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
7692 * diagnostic.h (set_internal_error_function): Renamed.
7693 * toplev.h (internal_error): Renamed from fatal.
7694 (pfatal_with_name): Deleted.
7695 (fatal_io_error): Now has printf-style arguments.
7696 * diagnostic.c (pfatal_with_name): Deleted.
7697 (fatal_io_error): Rework to have args in printf-style.
7698 (set_internal_error_function): Renamed from set_fatal_function.
7699 (internal_error): Renamed from fatal.
7700 (error_recursion, fancy_abort): Call internal_error instead of fatal.
7701 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
7702 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
7703 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
7704 * flow.c (verify_flow_info): Likewise.
7705 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
7706 * config/mips/mips.c (save_restore_insns): Likewise.
7708 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
7709 * flow.c (verify_flow_info): Likewise.
7710 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
7711 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
7712 (avr_normalize_condition): Likewise.
7713 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
7714 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
7715 (limit_reload_class, double_reg_to_memory): Likewise.
7716 (print_operand_address, emit_1600_code_shift): Likewise.
7717 (gen_tst_reg, gen_compare_reg): Likewise.
7718 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
7719 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
7720 Deleted.
7721 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
7723 * c-parse.in (methoddef): Call fatal_error instead of fatal.
7724 * objc/objc-act.c (build_ivar_chain): Likewise.
7725 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
7726 pfatal_with_name.
7727 * graph.c (clean_graph_dump_file): Likewise.
7728 * profile.c (init_branch_prob): Likewise.
7729 * objc/objc-act.c (objc_init): Likewise.
7731 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
7732 * config/avr/avr.c (avr_override_options): Likewise.
7733 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
7734 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
7735 * config/h8300/h8300.c (h8300_init_once): Likewise.
7736 * config/mips/mips.c (override_options): Likewise.
7737 * config/i386/i386.c (override_options): Likewise, rework.
7738 * config/m68k/m68k.c (override_options): Likewise.
7740 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
7741 instead of fatal.
7742 * config/mips/mips.c (print_operand): Likewise.
7743 * hash.c (hash_allocate): Don't check for failure returns from
7744 obstack functions that can't fail.
7745 (hash_table_init_n, hash_table_init): Likewise; also now return void.
7746 * hash.h (hash_table_init_n, hash_table_init): Now return void.
7747 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
7748 (get_object_reference): Likewise.
7750 2001-02-04 Nick Clifton <nickc@redhat.com>
7752 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
7753 StrongARM1110, 10TDMI, and 1020T.
7755 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7757 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
7759 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
7761 * config/sh/sh.md (movdf load split): Pass register number to
7762 FP_OR_XD_REGISTER_P.
7764 2001-02-04 Mark Mitchell <mark@codesourcery.com>
7766 * cppinit.c (BC): New macro.
7767 (builtin_array): Add __GXX_WEAK__.
7768 * cpplib.h (builtin_type): Add BT_WEAK.
7769 * cppmacro.c (builtin_macro): Handle BT_WEAK.
7770 * defaults.h (SUPPORTS_ONE_ONLY): Define.
7771 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
7773 2001-02-03 Jakub Jelinek <jakub@redhat.com>
7775 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
7777 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7779 * cpphash.h: Rename _ALIGN POOL_ALIGN.
7780 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7782 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7784 * cpphash.h: Rename ALIGN _ALIGN.
7785 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7787 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
7789 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
7790 compilation environment.
7791 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
7792 control over location of cygwin includes and libs.
7794 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7796 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
7798 2001-02-02 lars brinkhoff <lars@nocrew.org>
7800 * md.texi (Standard Names): remove reference to spur.md.
7802 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7804 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
7805 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
7806 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
7807 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
7808 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
7810 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7812 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
7813 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
7814 number before reload.
7815 (c4x_adjust_cost): Return zero before reload.
7816 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
7817 split before reload.
7819 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7821 * c4x.c (c4x_hard_regno_rename_ok): New.
7822 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
7823 * c4x.h (HARD_REGNO_RENAME_OK): Define.
7825 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7827 * diagnostic.h: Add missing "extern" in all declarations.
7829 2001-02-02 Alex Samuel <samuel@codesourcery.com>
7831 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
7832 as for gcc_gxx_include_dir.
7834 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
7836 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
7838 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7840 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
7841 label before alignment to be used as the braf base address.
7842 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
7843 branches.
7844 (casesi_jump_2): Require at least TARGET_SH2.
7846 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
7847 truncation to 32-bit doubles on -m3e and -m4-single-only.
7849 2001-02-02 Mark Mitchell <mark@codesourcery.com>
7851 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
7852 the default when building a shared object.
7853 (init_spec): Use it.
7854 * testsuite/lib/g++.exp: Include the directory where libgcc
7855 is located to the LD_LIBRARY_PATH list.
7856 * invoke.texi (-shared-libgcc): Document the cases in which
7857 GCC defaults to using the shared libgcc.
7859 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7861 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
7862 unsigned is wide enough.
7863 (BITS_PER_SI): New.
7864 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
7865 (si_to_float): Likewise.
7866 (float_to_si, float_to_usi): Use BITS_PER_SI.
7868 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7870 * dwarf2out.c: Added explanation of abbreviations.
7871 (def_cfa_1): Added comments listing DWARF2 instructions.
7872 (cfa_temp_reg): Removed in favor of cfa_temp.
7873 (cfa_temp_value): Removed in favor of cfa_temp.
7874 (cfa_temp): New global variable.
7875 (dwarf2out_frame_debug_expr): Added extensive introductory
7876 comments explaining the function's transformations. Revised to
7877 use cfa_temp. Added some rtx checking. Generalize IOR case.
7878 (dwarf2out_frame_debug): Revised to use cfa_temp.
7879 (output_aranges): Cast as "unsigned" to avoid warning.
7880 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
7881 explain which instructions must be marked.
7883 2001-02-01 Richard Henderson <rth@redhat.com>
7885 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
7886 new instruction.
7888 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
7890 * config/sh/crt1.asm (main_k): Modified so that start calls
7891 ___setup_argv_and_call_main.
7893 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
7895 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
7896 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
7897 and AVOID_LPASTE is cleared on meeting an unescaped newline.
7898 * cppmacro.c (builtin_macro): Set builtin flags here.
7899 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
7900 (replace_args): Clarify intent.
7901 (cpp_get_token): Macro expansion tokens get the saved flags.
7902 Update.
7903 * cppmain.c (scan_buffer): Remove now-redundant print.printed
7904 check.
7906 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7908 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
7909 2001-Jan-29.
7911 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7913 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
7914 returns Pmode pseudo, but we need ptr_mode.
7915 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
7916 Remove bogus conversions; use HOST_WIDE_INT for size.
7917 Don't use TARGET if wrong mode.
7919 * config/i386/i386.c (ix86_compute_frame_size): Allow
7920 stack_alignment_needed to be non-default even if size is zero.
7922 2001-01-31 Alan Modra <alan@linuxcare.com.au>
7924 * pa.c (hppa_init_pic_save): New function.
7925 * pa.h (hppa_init_pic_save): Declare.
7926 * pa.md (call, call_value, sibcall, sibcall_value): Use
7927 the above instead of duplicated code.
7929 * pa.c (hppa_encode_label): Correct size of alloca buffer
7930 so we don't overrun it. Correct leading `*' case.
7931 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
7932 need to handle `*@'.
7933 (FUNCTION_NAME_P): Likewise.
7935 2001-01-31 Richard Henderson <rth@redhat.com>
7937 * config.gcc (alpha-osf5): Use float-i128.h.
7939 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
7940 * config/float-i32.h: Likewise.
7941 * config/float-i64.h: Likewise.
7942 * config/float-sh.h: Likewise.
7943 * config/float-sparc.h: Likewise.
7945 2001-01-31 DJ Delorie <dj@redhat.com>
7947 * expmed.c (extract_bit_field): allow non-integral modes if we
7948 want to extract a whole register from itself.
7950 2001-01-31 Jakub Jelinek <jakub@redhat.com>
7952 * c-typeck.c (set_init_index): If first is equal to last, assume as
7953 if it was not a range at all.
7955 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7957 * config/fp-bit.c: Include tm.h.
7958 (float_to_si): Don't assume SImode is 32-bits wide.
7959 (float_to_usi): Likewise.
7961 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
7963 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
7964 incomplete type.
7965 (typename): Call pending_xref_error after parsing typed_typespecs.
7966 * c-decl.c (lookup_tag): Give error immediately rather than
7967 leaving it pending if the tag of the wrong type is in the same
7968 binding level.
7969 (xref_tag): Don't pedwarn for forward declarations of enum types
7970 here.
7971 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
7972 and enum tags.
7974 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7976 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
7978 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7980 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
7981 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
7983 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7985 * cpphash.h (struct cpp_reader): New saved_flags.
7986 * cppmacro.c (cpp_get_token): Use saved_flags to remember
7987 to avoid a paste after a pasted token.
7989 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7991 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
7992 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
7993 Wtype_MIN instead of LONG_MIN.
7995 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7997 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
7998 README file.
7999 * fixinc/fixincl.x: Regenerated.
8000 * fixinc/inclhack.def (irix_limits_const): New definition to
8001 convert "const" to "__const" in limits.h.
8003 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8005 * fixinc/genfixes (AG): Fix "autogen4" thinko.
8007 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8009 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
8010 when register dies in the insn.
8012 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8014 * diagnostic.c (fatal): Fix word wrap.
8016 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
8018 * combine.c (try_combine): Fix SUBREG setting for
8019 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
8021 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8023 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
8024 comparison codes.
8026 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8028 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
8029 is not NULL.
8030 * toplev.c (decode_W_option): Update warn_larger_than
8031 unconditionally for each processed switch.
8033 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
8035 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
8036 to NULL_RTX.
8037 (hppa_expand_prologue): Delete code to save pic offset table register
8038 in the function prologue.
8039 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
8040 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
8041 table register at the beginning of the function after the prologue.
8043 2001-01-29 lars brinkhoff <lars@nocrew.org>
8045 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
8047 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
8048 Jeff Law <law@redhat.com>
8050 * pa.md (return): Revise comment for trivial return.
8051 (return_internal): Non-trivial return pattern for non-PIC code.
8052 (return_internal_pic): Non-trivial return pattern for PIC code.
8053 It uses the PIC register to ensure it is restored after
8054 function calls.
8055 (epilogue): Generate appropriate return for PIC and non-PIC code.
8057 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
8059 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
8061 2001-01-29 DJ Delorie <dj@redhat.com>
8063 * combine.c (if_then_else_cond): Pass the correct mode to
8064 operand_subword() for constants.
8066 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
8068 * config/i386/cygwin.h: Add w32api to include search. Search different
8069 directories in a cross-build environment.
8071 2001-11-29 Tim Josling <tej@melbpc.org.au>
8073 * tree.h (TYPE_STUB_DECL): Add documentation.
8075 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
8077 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
8078 (sdbout_field_types): Likwise. Fix use of host_integerp.
8080 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
8082 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
8083 cygwin.h.
8085 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
8087 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
8088 to use flag_gnu_linker.
8090 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
8092 * cpplib.c (T_BAD_DIRECTIVE): Remove.
8093 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
8095 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
8097 * tree.c, tree.h (build_parse_node): Remove; was identical to
8098 build_nt.
8099 * c-lang.c (start_cdtor), objc/objc-act.c
8100 (build_module_descriptor): Use build_nt instead of
8101 build_parse_node.
8103 2001-01-29 Jakub Jelinek <jakub@redhat.com>
8105 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
8106 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
8107 not have any upper bits set.
8109 2001-01-29 Phil Edwards <pme@sources.redhat.com>
8111 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
8113 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8115 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
8117 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
8119 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
8120 (integer_minus_one_node): Define.
8122 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
8124 * Makefile.in (bootstrap2-lean): Fix typo.
8126 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
8128 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
8129 : Don't set fe_value.
8130 * cpplib.h (AVOID_LPASTE): New flag.
8131 (struct cpp_hashnode): Remove fe_value.
8132 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
8133 * cppmacro.c (builtin_macro): Don't set flags here.
8134 (replace_args): Set AVOID_LPASTE flag on first token of an
8135 argument, and the token following it.
8136 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
8137 macro expansion, and on the token following it. Do it for
8138 builtins too.
8139 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
8141 2001-01-27 Richard Henderson <rth@redhat.com>
8143 * config/alpha/t-ieee: Remove multilibbing.
8144 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
8146 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8148 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
8150 * Makefile.in: Remove all dependencies on defaults.h.
8151 * builtins.c: Don't include defaults.h.
8152 * c-common.c: Likewise.
8153 * c-decl.c: Likewise.
8154 * c-pragma.c: Likewise.
8155 * c-typeck.c: Likewise.
8156 * combine.c: Likewise.
8157 * i386.c: Likewise.
8158 * frame-ia64.c: Likewise.
8159 * cppexp.c: Likewise.
8160 * crtstuff.c: Likewise.
8161 * dbxout.c: Likewise.
8162 * dwarf2out.c: Likewise.
8163 * dwarfout.c: Likewise.
8164 * emit-rtl.c: Likewise.
8165 * except.c: Likewise.
8166 * expr.c: Likewise.
8167 * final.c: Likewise.
8168 * frame-dwarf2.c: Likewise.
8169 * libgcc2.c: Likewise.
8170 * optabs.c: Likewise.
8171 * profile.c: Likewise.
8172 * sdbout.c: Likewise.
8173 * toplev.c: Likewise.
8174 * tradcif.y: Likewise.
8175 * tree.c: Likewise.
8176 * varasm.c: Likewise.
8178 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8180 * builtins.c (expand_builtin_fputs): Use size_one_node when
8181 transforming into fwrite.
8183 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
8185 * extend.texi (Attribute Syntax): New section.
8187 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8189 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
8190 they didn't need fixing.
8192 2001-01-27 Janis Johnson <janis@us.ibm.com>
8194 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
8195 if appropriate.
8196 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
8197 to remove macro definitions that are duplicated from elfos.h.
8199 2001-01-27 Richard Henderson <rth@redhat.com>
8201 * config/i386/sco5gas.h: Move ...
8202 * config/usegas.h: ... here.
8203 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
8205 2001-01-27 Jakub Jelinek <jakub@redhat.com>
8207 * c-typeck.c (struct constructor_stack): Add range_stack member.
8208 (really_start_incremental_init): Clear it.
8209 (push_init_level): Save constructor_range_stack and clear it if
8210 pushing explicit braces.
8211 (pop_init_level): abort if constructor_range_stack is non-zero at
8212 explicit closing brace. Restore saved constructor_range_stack if
8213 not implicit.
8215 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
8217 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
8218 into register was forced into memory.
8220 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
8222 * Makefile.in: Remove uses of + before $(MAKE).
8224 2001-01-26 Richard Henderson <rth@redhat.com>
8226 * stmt.c (cost_table): Remove.
8227 (COST_TABLE, cost_table_initialized): New.
8228 (estimate_case_costs): Use the later instead of the former.
8229 (balance_case_nodes): Likewise.
8231 2001-01-26 Richard Henderson <rth@redhat.com>
8233 * alias.c (objects_must_conflict_p): Read-only slots may not
8234 conflict despite having the same type.
8236 2001-01-27 Michael Hayes <mhayes@redhat.com>
8238 * loop.c (loop_giv_reduce_benefit): Copy mode size into
8239 int variable.
8240 (check_ext_dependant_givs): Initialise u_start_val and
8241 u_end_val.
8242 (load_mems): Make last_max_reg unsigned.
8243 (try_swap_copy_prop): Use INSN_P and initialise set.
8245 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
8247 * README.AVR : Removed.
8249 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
8251 * pa-64.h (text_section): Remove declaration.
8253 * pa.md (return_internal): Remove mode on PIC register use.
8255 2001-01-25 lars brinkhoff <lars@nocrew.org>
8257 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
8258 ASM_CLOSE_PAREN): fix typos.
8260 2001-01-25 Mark Mitchell <mark@codesourcery.com>
8262 * acconfig.h: Define `const' to the empty string if neither
8263 __STDC__ nor __cplusplus is defined.
8264 * config.in: Regenerated.
8266 2001-01-25 David Edelsohn <edelsohn@gnu.org>
8268 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
8269 * collect2.c (main): Delete importf. Add ".obj" file extension.
8270 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
8271 (aix_std_libs): Add additional AIX libraries to skip.
8272 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
8273 * config/rs6000/aix51.h: New file.
8275 2001-01-25 Michael Hayes <mhayes@redhat.com>
8277 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
8278 (loop_insn_emit_before): No longer static.
8279 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
8280 (loop_givs_rescan, load_mems): Likewise.
8281 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
8282 (maybe_eliminate_biv_1):
8283 (move_movables): Replace emit_call_insn_before with
8284 loop_call_insn_hoist.
8285 * loop.h (loop_insn_emit_before): Add.
8286 * unroll.c (copy_loop_body): Replace emit_insn_before with
8287 loop_insn_emit_before.
8289 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
8291 * diagnostic.c (fatal): Request preprocessed source.
8293 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
8295 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
8296 olddecl has argument types and newdecl has none, use the argument
8297 types from olddecl.
8299 2001-01-24 Ulrich Drepper <drepper@redhat.com>
8301 * dwarf2out.c (prefix_of): New function. Determine longest common
8302 prefix of the two arguments. The units are whole path components.
8303 (output_file_names): When adding a new directory find the one entry
8304 with the longest common prefix already in the list. Artificially
8305 generate entry if there is none for this prefix.
8306 Fix test to check whether the zeroth directory entry is used.
8308 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
8310 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
8311 Changed all callers. Take it into account when deciding if a
8312 previously loaded value matches.
8314 2001-01-24 Richard Henderson <rth@redhat.com>
8316 * reload.c (find_reloads_subreg_address): Fail the substitution
8317 if the resulting address is insufficiently aligned.
8319 2001-01-24 DJ Delorie <dj@redhat.com>
8321 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
8322 check the original operand's mode also.
8323 * simplify-rtx.c (simplify_ternary_operation): Ditto.
8325 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
8327 * c-parse.in (cast_expr): Move compound literals from here ...
8328 (primary): ... to here. Use standard terminology "compound
8329 literal" instead of "constructor expression".
8331 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
8333 * gcc.1, cpp.1: Regenerate.
8335 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
8337 * calls.c (emit_library_call_value_1): Memory slot for
8338 pass-by-reference argument should have the mode of the argument,
8339 not of the pointer to it.
8341 2001-01-24 Tom Tromey <tromey@redhat.com>
8343 * gcc.texi (G++ and GCC): Mention gcj manual.
8344 (Standards): Link to section of manual mentioning gcj/Java
8345 compatibility.
8347 2001-01-24 Jakub Jelinek <jakub@redhat.com>
8349 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
8350 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
8351 * tradcpp.c (main): Add -imacros or -include'd dependencies
8352 for -M*.
8353 * cpp.texi (-M, -MM): Document -M -include behaviour.
8355 2001-01-24 Roger Collins <roger@ProProject.com>
8357 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
8359 2001-01-24 Will Cohen <wcohen@redhat.com>
8361 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
8362 whether registers are 32 bits or 64 bits in size.
8364 2001-01-24 Ben Elliston <bje@redhat.com>
8366 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
8368 2001-01-24 Richard Henderson <rth@redhat.com>
8370 * config/alpha/alpha.md (builtin_longjmp_internal): New.
8371 (builtin_longjmp): Use it instead of emit_indirect_jump.
8373 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
8375 * bb-reorder.c (make_reorder_chain_1): Handle case where
8376 jump edge goes to the same block as the fallthru edge.
8378 2001-01-23 Jim Wilson <wilson@redhat.com>
8380 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
8381 * frame.h (__ia64_personality_v1): Add prototype.
8382 * libgcc2.c (ia64_throw_helper): Change personality declaration to
8383 prototype form. Add void * cast to first argument to personality
8384 call.
8385 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
8386 (asctoe113): Likewise.
8387 * config/ia64/frame-ia64.c: Include eh-common.h.
8388 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
8389 prototypes.
8390 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
8391 to dump parameter.
8392 (itanium_split_issue): Add prototype.
8393 (gen_nop_type): Ifdef out.
8394 (find_best_packet): Initialize best_packet.
8395 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
8396 result.
8397 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
8398 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
8399 (flushrs): Add explicit stop bit at end.
8400 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
8401 trailing \ to >.
8403 2001-01-23 Chris Demetriou <cgd@broadcom.com>
8405 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
8406 of EH symbols.
8407 * libgcc2.c (__terminate_func): Make variable static.
8408 (__terminate_set_func): New function to set __terminate_func.
8409 * libgcc2.h (__terminate_func_ptr): New typedef.
8410 (__terminate_set_func): New function.
8412 2001-01-23 Richard Henderson <rth@redhat.com>
8414 * flow.c (init_propagate_block_info): Don't consider unchanging
8415 memories for dead frame store elimination.
8417 2001-01-23 Richard Henderson <rth@redhat.com>
8419 * varasm.c (UNIQUE_SECTION): Move default implementation ...
8420 * defaults.h: ... here.
8422 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8424 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
8426 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
8428 * c-lex.c (lex_charconst): Fix typo: s/p/str.
8430 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8432 * rs6000.h (rs6000_return_addr): Move prototype from here...
8433 * rs6000-protos.h (rs6000_return_addr): ...to here.
8434 (rs6000_init_expanders): Delete prototype.
8436 2001-01-23 Nick Clifton <nickc@redhat.com>
8438 * invoke.texi: Replace , with \, inside @gccoptlist macros.
8439 (Spec Files): Document %B and %j and %. and %v3 and %M and
8440 %{S*&T} spec switches.
8442 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8444 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
8446 2001-01-23 Chris Demetriou <cgd@sibyte.com>
8447 Neil Booth <neil@daikokuya.demon.co.uk>
8449 * cpperror.c: Merge handlers of PEDWARN and WARNING.
8450 Have -Werror make pedantic warnings errors, like the
8451 rest of GCC.
8453 2001-01-23 Phil Edwards <pme@sources.redhat.com>
8455 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
8457 2001-01-23 Jakub Jelinek <jakub@redhat.com>
8459 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
8460 * integrate.c (expand_inline_function): Initialize them.
8461 (subst_constants): If changing COMPARE so that both its arguments
8462 will be VOIDmode and the comparison mode will be lost, note
8463 compare_mode. Use the recorded compare_mode to optimize
8464 IF_THEN_ELSE.
8466 2001-01-23 Jason Merrill <jason@redhat.com>
8468 * dwarf2out.c (new_die): Use xcalloc.
8469 (output_die): Abort rather than emit a local reference to offset 0.
8471 2001-01-17 Andrew Haley <aph@redhat.com>
8473 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
8474 of a saved register; return NULL instead.
8475 (copy_reg): Take a pointer to a source register rather than a
8476 frame_state.
8477 (next_stack_level): Remember the address in the stack frame of all
8478 saved registers.
8479 Use the saved register pointer array as the source of the CFA.
8480 (throw_helper): Rewrite. Unwind once rather than twice and keep
8481 track of saved registers as we go.
8483 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8485 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
8486 * c4x.c (c4x_legitimize_reload_address): Remove.
8487 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
8488 reload address for ldp(k) insn.
8490 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
8492 * pa.md (return_internal): Add a USE of the PIC register to ensure
8493 it is restored after each call.
8494 (return expander): Corresponding changes.
8496 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8498 * rs6000.h (INIT_EXPANDERS): Delete.
8499 (RETURN_ADDR_RTX): Call rs6000_return_addr().
8500 * rs6000.c (rs6000_override_options): Call *_machine_status from
8501 here...
8502 (rs6000_init_expanders): ...instead of here. Delete.
8503 (rs6000_mark_machine_status): New function.
8504 (rs6000_init_machine_status): Use xcalloc.
8505 (rs6000_return_addr): Generate RTX for the return address.
8506 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
8507 (rs6000_stack_info): Use it.
8509 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
8511 * gthr-win32.h: Include errno.h to get a declaration for
8512 EINVAL and _mingw.h if the target is mingw32.
8514 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
8516 * cpp.texi: Correct typos.
8518 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8520 * explow.c (probe_stack_range): Ensure value passed to
8521 stack_check_libfunc is ptr_mode, not Pmode.
8523 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
8525 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
8526 case, don't use operand_subword to calculate a SUBREG that is
8527 wider than a word.
8529 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
8531 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8533 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
8534 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
8535 valid. If not replace it by equivalent insns.
8537 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8539 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
8540 contains SYMBOL_REF, LABEL_REF and CONST_INT.
8541 (c4x_U_constraint, symbolic_address_operand): Likewise.
8542 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
8543 memory.
8544 (c4x_r11_set_p, c4x_check_laj_p): New functions.
8545 * c4x-protos.h (c4x_check_laj_p): Add prototype.
8546 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
8547 anulling slot because of silicon bug.
8548 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
8550 2001-01-22 Alan Modra <alan@linuxcare.com.au>
8552 * cppexp.c (parse_charconst): Change `mask' type to agree
8553 with parse_escape.
8555 2001-01-21 Richard Henderson <rth@redhat.com>
8557 * config/i386/i386.c (ix86_asm_file_end): Disable putting
8558 pic_label_name in a linkonce section.
8560 2001-01-17 Philipp Thomas <pthomas@suse.de>
8562 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
8563 found in libintl.
8564 * configure: Regenerate.
8566 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
8568 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
8569 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
8571 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
8573 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
8574 If REVERSE nonzero then condition code in X must be reversed.
8575 (encode_section_info): Optimise if/else.
8576 (avr_function_value): Fix formatting.
8578 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
8579 (difficult_branch): Likewise.
8580 (rvbranch): Likewise.
8581 (difficult_rvbranch): Likewise.
8583 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
8585 * config/avr/libgcc.S: Fix comment.
8587 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8589 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
8591 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8593 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
8595 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8597 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
8598 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
8599 * configure, config.in: Regenerate.
8600 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
8601 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
8602 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
8603 (doprint.o): New rule.
8605 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
8607 * c-typeck.c (digest_init): Handle boolean types as scalars.
8609 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8611 * stmt.c (expand_return): Don't return anything if size is zero.
8612 Delete redundant assignment to BYTES.
8613 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
8615 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
8617 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
8618 the same as the default library function names.
8619 * config/avr/avr.md: Document special characters after '%'.
8620 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
8621 knowing which of the call-used registers are really clobbered.
8622 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
8623 New. Both quotient and remainder from one libgcc.S call.
8624 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
8625 clobber as few registers as possible.
8626 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
8628 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
8630 * cppmacro.c (funlike_invocation_p): Don't move back up to the
8631 context of the top of the stack.
8633 2001-01-20 Jakub Jelinek <jakub@redhat.com>
8635 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
8636 (fixup_var_refs_insns): ...here.
8638 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
8640 * function.c (fixup_var_refs_insns): Break up into
8641 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
8642 [loop over entire insn list], and fixup_var_refs_insns_with_hash
8643 [loop over hash table entries].
8644 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
8645 fixup_var_refs_insns_with_hash, to match above changes.
8647 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
8649 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
8650 (libgcc.a): Likewise.
8651 (stmp-multilib): Likewise.
8652 (STAGE2_FLAGS_TO_PASS): Likewise.
8654 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
8656 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
8657 temporary if no_new_pseudos.
8659 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
8661 * cppinternals.texi: Update.
8663 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
8665 * arm.c (arm_init_builtins): Re-enable builtins.
8667 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8669 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
8670 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
8671 element to be null, and always expect an EXPR_LIST.
8672 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
8673 * sched-deps.c (sched_analyze_1): Likewise.
8674 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8676 * regclass.c (max_set_parallel): New variable.
8677 (reg_scan): Take it into account in computation of max_parallel.
8678 (reg_scan_mark_refs, case SET): Compute it.
8680 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
8681 args are REG.
8682 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
8683 * function.c (assign_parms): Use INTVAL for a CONST_INT.
8685 2001-01-19 Jason Merrill <jason@redhat.com>
8687 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
8688 for the abstract instance of an inline function.
8690 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
8691 J"orn Rennecke <amylaar@redhat.com>
8693 * reload1.c (move2add_note_store): Treat all registers directly or
8694 indirectly derived from a base register as members of the same set
8695 of values.
8696 (reload_cse_move2add): Adjust accordingly. Take mode and offset
8697 of base register into account.
8699 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
8701 * alias.c (find_base_value): Recognize TRUNCATE.
8702 (record_set): In PLUS case, invalidate if other summand is also a
8703 base value.
8705 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8707 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
8708 entry to be EXPR_LIST.
8709 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
8710 be an EXPR_LIST (but not null, which other code doesn't allow).
8711 (note_stores): Properly handle PARALLEL in SET.
8712 Recursively call for top-level PARALLEL.
8713 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
8714 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8716 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
8718 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
8720 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
8721 not pfile->skipping (== 0).
8723 2001-01-17 Nick Clifton <nickc@redhat.com>
8725 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
8726 machine_status.
8728 2001-01-17 Jim Wilson <wilson@redhat.com>
8730 * invoke.texi (IA-64 options): Improve.
8732 2001-01-17 Tom Tromey <tromey@redhat.com>
8734 * invoke.texi (Optimize Options): Use `{}' to around @samp
8735 argument.
8737 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
8739 * invoke.texi (-fno-guess-branch-probability): New option.
8741 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8743 * combine.c (try_combine): Don't set i3_subst_into_i2 for
8744 case of making new double-word constant.
8745 Revert last change: instead just test i3_subst_into_i2.
8747 2001-01-17 Jakub Jelinek <jakub@redhat.com>
8749 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
8750 Use q constraints instead of r.
8752 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
8754 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
8755 (machine_function): Define.
8756 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
8757 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
8758 pa_free_machine_status): New functions.
8759 (override_options): Set {init,mark,free}_machine_status to above.
8760 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8761 PIC_OFFSET_TABLE_REGNUM_SAVED.
8762 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8763 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
8764 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
8765 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
8766 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8768 2001-01-15 DJ Delorie <dj@redhat.com>
8770 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
8771 (cpp.1): Ditto.
8772 (gcc.1): Ditto.
8774 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8776 * flow.c (propagate_on_insn): Make trying to delete a prologue
8777 or epilogue insn an ICE, not a warning. Allow doing this if
8778 the current function returns with stack pointer depressed.
8780 * combine.c (try_combine): If i3_subst_into_i2, properly check for
8781 I3 having more than one SET.
8783 2001-01-16 Jim Wilson <wilson@redhat.com>
8785 * invoke.texi: Document IA-64 options.
8787 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
8788 (fixup_errata): Delete TARGET_A_STEP use.
8789 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
8790 (TARGET_SWITCHES): Delete -ma-step option.
8791 * config/ia64/ia64.md (all FP patterns): Delete %B0.
8792 (movqicc_astep, movqi_internal_astep, movhicc_astep,
8793 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
8794 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
8795 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
8796 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
8797 Delete.
8798 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
8799 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
8800 cmovsi_internal): Delete ! TARGET_A_STEP check.
8802 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8804 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
8805 possibility to report bugs via postal mail. Change a URL and
8806 merge in a nearly duplicate statement...
8807 (Bug Reporting): ...from here.
8808 (Service): Refer to the Bug Reporting section instead of
8809 duplicating an URL.
8810 (Contributing): Remove trivial explanations concerning snapshots.
8812 2001-01-16 Alan Modra <alan@linuxcare.com.au>
8814 * cppmain.c (general_init): Don't use ANSI prototype.
8816 2001-01-16 Tom Tromey <tromey@redhat.com>
8818 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
8820 2001-01-16 Richard Henderson <rth@redhat.com>
8822 * config/i386/i386.h: Fix comment typo.
8823 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
8824 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
8826 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8828 * gcc.c: Revert previous -fsyntax-only-related change; move
8829 to cp/g++spec.c.
8831 2001-01-16 Jakub Jelinek <jakub@redhat.com>
8833 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
8834 inmode after checking GET_CODE (op).
8836 2001-01-16 Richard Henderson <rth@redhat.com>
8838 * flow.c (struct propagate_block_info): Add mem_set_list_len.
8839 (MAX_MEM_SET_LIST_LEN): New.
8840 (propagate_one_insn): Update mem_set_list_len.
8841 (invalidate_mems_from_autoinc): Likewise.
8842 (invalidate_mems_from_set): Likewise.
8843 (mark_used_regs): Likewise.
8844 (init_propagate_block_info): Likewise. Stop collecting memories
8845 when we reach MAX_MEM_SET_LIST_LEN.
8846 (mark_set_1): Likewise.
8848 2001-01-16 Richard Henderson <rth@redhat.com>
8850 * unroll.c (precondition_loop_p): Fail if no iteration
8851 variable found.
8853 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8855 * gcc.c: When -fsyntax-only is given, do not complain about
8856 unused libraries.
8858 2001-01-15 Richard Henderson <rth@redhat.com>
8860 * config/i386/i386.c (asm_output_function_prefix): Remove.
8861 (ix86_asm_file_end): New.
8862 (load_pic_register): Generate pic_label_name into a
8863 staticly allocated buffer.
8864 * config/i386/i386-protos.h: Update.
8865 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
8866 (ASM_FILE_END): New.
8867 * config/i386/i386afe.h: New file.
8868 * config.gcc (i?86-*-elf) [tm_file]: Use it.
8869 (i?86-*-{freebsd,linux*,moss*}): Likewise.
8870 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
8871 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
8872 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
8873 * config/i386/sco5.h (ASM_FILE_END): Likewise.
8874 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
8876 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
8878 * Makefile.in (install-man): Remove explicit dependency on
8879 $(srcdir)/gcc.1.
8881 * configure.in, configure: Revert previous patch requiring perl
8882 5.6.0.
8884 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
8886 * toplev.c (flag_guess_branch_prob): New.
8887 (f_options): Add guess-branch-probability option.
8888 (rest_of_decl_compilation): Only estimate branch probability if
8889 flag set.
8890 (main): set flag_guess_branch_prob.
8892 * flags.h (flag_guess_branch_prob): New.
8894 2001-01-15 DJ Delorie <dj@redhat.com>
8896 * gcc.texi (Makefile): Add documentation for Makefile targets.
8898 2001-01-15 Philip Blundell <philb@gnu.org>
8900 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
8901 (is_pic): Delete.
8902 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
8903 (is_pic): Delete declaration.
8904 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
8905 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
8906 * config/arm/arm.md (builtin_setjmp_receiver): New.
8908 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8910 * arm.c (use_return_insn): Don't try to determine the function type
8911 until after reload has completed.
8912 (arm_output_epilogue): Don't adjust the sp value recovered from the
8913 stack.
8914 (emit_multi_reg_push): Don't record dwarf information for the pc.
8915 * arm.md (eh_epilogue): The function type may have changed, so it
8916 needs to be recalculated.
8917 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
8918 unwind tables on arm/netbsd.
8920 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8922 * arm.md (cbranchsi4): Correct calculation of branch ranges.
8923 (negated_cbranchsi4): Likewise.
8925 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8927 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
8928 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8929 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
8930 pass -mapcs-* options to assembler.
8931 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
8932 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8933 (ASM_SPEC): Call subtarget_extra_asm_spec.
8935 2001-01-15 Andreas Jaeger <aj@suse.de>
8937 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
8938 warnings.
8939 (ix86_expand_builtin): Likewise.
8941 * gencodes.c (output_predicate_decls): Make i size_t to avoid
8942 warning about comparison between signed and unsigned.
8944 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8946 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
8948 2001-01-14 Ralf Baechle <ralf@gnu.org>
8950 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
8951 SUBTARGET_CPP_SPEC apropriatly.
8953 2001-01-12 Mark Mitchell <mark@codesourcery.com>
8955 * varasm.c (make_decl_rtl): Fix typo in last change.
8957 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
8959 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
8960 linker supports the init_priority C++ attribute.
8961 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
8962 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
8963 linker does not support init_priority C++ attribute.
8965 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
8967 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
8969 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8971 * c-parse.in (finish_parse): Add comment about cpp_destroy.
8972 * cp/lex.c (finish_parse): Similarly.
8973 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
8974 Return the number of errors encountered.
8975 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
8976 * cppmain.c (main): Don't call cpp_destroy.
8978 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
8980 * configure.in: Require at least perl 5.6.0 to regenerate
8981 manpages.
8982 * configure: Regenerate.
8984 2001-01-14 Richard Henderson <rth@redhat.com>
8986 * genrecog.c (DT_veclen_ge): New.
8987 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
8988 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
8989 (nodes_identical_1): Handle DT_veclen_ge.
8990 (write_cond, debug_decision_2): Likewise.
8992 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8994 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
8995 with ...
8996 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
8998 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9000 * cppmain.c (do_preprocessing): New function; most of the old
9001 main.
9002 (main): Call it to do most of the work.
9003 (cb): Move from global scope to set_callbacks ().
9004 (setup_callbacks): Get the callback pointer.
9005 (general_init, printer_init): Clean up code and comments.
9007 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9009 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
9010 compiling PIC.
9012 2001-01-14 Kazu Hirata <kazu@hxi.com>
9014 * config/h8300/h8300.c (get_shift_alg): Update comments.
9016 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9018 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
9019 (alloc_page, ggc_alloc): Add casts to remove warnings.
9021 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9023 * combine.c (simplify_comparison): Don't change `code' when
9024 can't reverse comparison.
9026 2001-01-14 Richard Henderson <rth@redhat.com>
9028 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
9029 update all call sites. Return true for all non-label constants.
9031 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
9033 * i386.c (ix86_expand_compare): Add bypass_test and second_test
9034 parameters.
9035 (ix86_expand_branch): Update.
9036 (ix86_expand_setcc): Update to handle multiple test conditions.
9037 (expand_int_movcc): Likewise.
9038 (expand_fp_movcc): Likewise.
9039 * i386-protos.h (ix86_expand_compare): New.
9040 * i386.md (andqi_?_slp, orqi_?_slp): New.
9041 (conditional trap expander): Update call to ix86_expand_compare.
9043 2001-01-14 Richard Henderson <rth@redhat.com>
9045 * config/vax/vax.md: Use nonimmediate_operand instead of
9046 general_operand in destinations.
9048 * config/vax/vax.md (indirect_jump): Use register_operand.
9050 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
9051 * config/vax/vax.md (call_pop): Turn into an expander.
9052 (call_value_pop): Likewise.
9053 (call, call_value): New.
9055 2001-01-14 Andreas Jaeger <aj@suse.de>
9057 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
9058 variables.
9059 (ix86_fp_compare_mode): Add unused attribute.
9060 (ix86_expand_fp_movcc): Remove unused variable.
9061 (ix86_expand_builtin): Make fcode unsigned.
9063 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
9064 (expand_expr): Add cast to avoid signed warning.
9065 (store_field): Likewise.
9066 (store_constructor_field): Likewise.
9067 (store_constructor): Likewise.
9068 (store_expr): Likewise.
9069 (clear_storage): Likewise.
9070 (emit_group_store): Likewise.
9071 (emit_group_load): Likewise.
9073 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9075 * c-common.c: Move format checking code to ...
9076 * c-format.c: ... here. New file. Reorder some functions and
9077 declarations.
9078 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
9079 New functions.
9080 * c-common.h (decl_handle_format_attribute,
9081 decl_handle_format_arg_attribute): Declare.
9082 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
9083 (c-common.o): Adjust dependencies.
9084 (c-format.o): New list of dependencies.
9086 2001-01-13 Jakub Jelinek <jakub@redhat.com>
9088 * unroll.c (loop_iterations): If we cannot prove iteration variable
9089 is set once in each iteration, punt.
9091 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
9093 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
9094 (*strlenhi): Remove clobber (which was buggy) of output address.
9096 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9098 * Makefile.in (generated-manpages): Add gcc.1
9099 ($(srcdir)/gcc.1): New target.
9100 (maintainer-clean): Delete $(srcdir)/gcc.1.
9101 * gcc.texi: Add macros @gccoptlist and @gol.
9102 * invoke.texi: Include option summary in manpage. Mark up option
9103 summary with @gccoptlist and @gol. Use @r in one place where
9104 appropriate.
9105 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
9106 * gcc.1: Generate from invoke.texi.
9108 2001-01-13 Richard Henderson <rth@redhat.com>
9110 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
9111 (struct page_entry): Add group member.
9112 (struct page_group): New.
9113 (struct globals): Add page_groups member.
9114 (alloc_anon): Only define for using mmap; remove valloc call.
9115 (page_group_index): New.
9116 (set_page_group_in_use): New.
9117 (clear_page_group_in_use): New.
9118 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
9119 (free_page, release_pages): Likewise.
9120 * configure.in (with-gc): Default to ggc-page always.
9122 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
9124 * reload1.c (replace_pseudos_in_call_usage): Use
9125 reg_equiv_constant and reg_equiv_address, and don't try
9126 regno_reg_rtx first.
9128 2001-01-13 Richard Henderson <rth@redhat.com>
9130 * ggc-page.c (alloc_page): Round up allocation size to one page.
9131 Set e->order on extra pages.
9133 2001-01-13 Richard Henderson <rth@redhat.com>
9135 * genrecog.c (nodes_identical): Expand commentary.
9136 (write_switch): Watch out for identical nodes.
9138 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9140 * cppfiles.c (_cpp_fake_include): New function.
9141 * cpphash.h (_cpp_fake_include): New.
9142 * cpplib.c (do_line): Call _cpp_fake_include when entering
9143 header files in preprocessed input.
9144 * cppmain.c (cb_pragma_implementation): Remove handling.
9145 (setup_callbacks): Don't register pragmas.
9147 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9149 * extend.texi: Udate for CPP.
9151 2001-01-13 Andreas Jaeger <aj@suse.de>
9153 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
9155 * regmove.c: Add prototype for replace_in_call_usage.
9157 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9159 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
9160 struct cpp_chunk, struct htab, struct toklist,
9161 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
9162 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
9163 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
9164 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
9165 (struct macro_args): Delete.
9166 * cpphash.h: See above.
9168 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9170 * cppmain.c (struct printer): Remove no_line_dirs.
9171 (options, cb): New.
9172 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
9173 : Use options rather than CPP_OPTION.
9174 (setup_callbacks): Use cb rather than pfile->cb.
9175 (main): No need to check for a buffer. Use cpp_errors.
9176 (printer_init): Don't set no_line_dirs.
9177 (maybe_print_line): Use options not no_line_dirs.
9178 (cb_file_change): Don't call print_line if -P.
9180 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9182 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
9183 callbacks.
9184 * c-parse.in (finish_parse): Use cpp_errors.
9185 (__yylex): Use return value of cpp_pop_buffer.
9186 * cp/lex.c (finish_parse): Use cpp_errors.
9187 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
9189 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
9191 * README.AVR: URLs corrected.
9193 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9195 * c-decl.c (start_function): Don't warn if old prototype is builtin
9196 that's not in C's namespace.
9197 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
9198 (_bb): Add prototype for ctime.
9199 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
9201 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
9203 * i386.c (ix86_fp_comparison_arithmetics_cost,
9204 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
9205 ix86_fp_comparison_cost): New functions.
9206 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
9207 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
9208 two-branch sequences; make static.
9209 (ix86_use_fcomi_compare): Do decision according to the costs.
9210 (split_fp_branch): New.
9211 * i386.md (compare-and-branch patterns): Use split_fp_branch.
9212 * i386-protos.h (ix86_expand_fp_compare): Remove
9213 (ix86_split_fp_branch): Declare.
9215 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
9216 and ix86_comparison_operator.
9218 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
9219 to make it cheaper.
9221 * i386.c (put_condition_code): Output properly the unordered/ordered
9222 compares in fp case.
9223 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
9225 * tm.texi (REVERSE_CONDITION): Document.
9226 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
9227 in -ffast-math mode.
9228 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
9230 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
9232 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
9234 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
9235 optimized away.
9237 * config/sh/sh.c (mova_p): Fix test for mova_const.
9239 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9241 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
9242 cpp_get_options rather than dereferencing pfile and using
9243 CPP_OPTION.
9244 * scan-decls.c (scan_decls): Use return value of
9245 cpp_pop_buffer rather than CPP_BUFFER.
9247 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9249 * cppinit.c (cpp_handle_option): help_only is now part of the
9250 cpp_options structure.
9251 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
9252 cpp_set_callbacks): New functions.
9253 * cpplib.h (cpp_callbacks): Break out as a named structure.
9254 (cpp_options): Move help_only here from cpp_reader.
9255 (CPP_FATAL_ERRORS): Update to use cpp_errors.
9256 (cpp_errors, cpp_get_options, cpp_get_callbacks,
9257 cpp_set_callbacks): New prototypes.
9258 * cppmain.c (main): Update for help_only.
9260 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9262 * Makefile.in (info, maintainer-clean, install-info, uninstall):
9263 Also build and remove and install and uninstall c-tree.info and
9264 cppinternals.info.
9265 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
9266 ($(srcdir)/cppinternals.info): New target.
9267 * c-tree.texi: Change file name used when makeinfo used without -o
9268 from ir.info to c-tree.info. Add info directory entry.
9269 * cppinternals.texi: Add info directory entry.
9270 * .cvsignore: Update.
9272 2001-01-12 Jakub Jelinek <jakub@redhat.com>
9274 * c-typeck.c (store_init_value): Don't require constant initializer
9275 elements with -pedantic -std=c99.
9276 (digest_init): Change error about non-constant initializer elements
9277 into pedwarn.
9278 (constructor_range_end): Remove.
9279 (constructor_incremental, designator_depth,
9280 designator_errorneous): New variables.
9281 (struct constructor_stack): Remove range_end, add incremental.
9282 (struct constructor_range_stack, constructor_range_stack): New.
9283 (struct initializer_stack): Add constructor_range_stack.
9284 (finish_init): Set it.
9285 (start_init): Likewise. require_constant_elements for non-static
9286 trees only if not flag_isoc99.
9287 (really_start_incremental_init): Remove constructor_range_end, add
9288 constructor_incremental.
9289 (pop_init_level): Likewise.
9290 (push_init_level): Likewise. If implicit and the subobject had some
9291 value set already, preinitialize the level with it.
9292 Warn about missing braces only if not pushing due to designators.
9293 (set_designator, push_range_stack): New functions.
9294 (set_init_label): Use them.
9295 (set_init_index): Likewise. Remove constructor_range_end.
9296 Error if designator index is outside of array bounds.
9297 (add_pending_init): Compare values of purpose index trees, not the
9298 trees themselves. Allow overwriting of already initialized element.
9299 Issue a warning if it had side-effects.
9300 (set_nonincremental_init, set_nonincremental_init_from_string): New
9301 functions.
9302 (pending_init_member): Rename to...
9303 (find_init_member): ...this function. Call set_nonincremental_init
9304 if necessary. Compare values of purpose index trees, not the trees
9305 themselves. Return the actual value, not just non-zero if something
9306 is found.
9307 (output_init_element): Remove checks for duplicates.
9308 If field has zero size, only check the initializer for correctness.
9309 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
9310 if constructor_incremental is zero. Change error about initializers
9311 not computable at load time into pedwarn.
9312 (output_pending_init_elements): Compare bit positions, not
9313 FIELD_DECLs to take into account zero-sized fields.
9314 (process_init_element): Use constructor_range_stack to fill all
9315 ranges in the designator lists from current level up.
9316 * extend.texi: Update documentation for labeled elements.
9318 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
9320 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
9321 to function usage for arguments passed by reference. Optimize
9322 callee-copied arguments.
9323 * regmove.c (replace_in_call_usage): New function.
9324 (fixup_match_1): Call it.
9325 * cse.c (cse_insn): Canonicalize registers in function usage.
9326 * reload1.c (replace_pseudos_in_call_usage): New function.
9327 (reload): Call it.
9329 * Makefile.in: Reverted yesterday's wrong patch. Installed the
9330 right version.
9332 2001-01-12 Jakub Jelinek <jakub@redhat.com>
9334 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
9335 not XEXP (tmp, 0).
9337 2001-01-12 DJ Delorie <dj@redhat.com>
9339 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
9340 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
9341 targets.
9343 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
9345 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
9346 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
9347 -std options alongside references to -ansi. Update some
9348 documentation for C99.
9349 * cpp.1: Regenerate.
9351 2001-01-12 Andreas Jaeger <aj@suse.de>
9353 * haifa-sched.c (restore_line_notes): Remove argument block B
9354 since it's unused.
9355 * sched-ebb.c (schedule_ebb): Change caller.
9356 * sched-rgn.c (schedule_region): Likewise.
9357 * sched-int.h (restore_line_notes): Adjust prototype.
9359 * loop.h: Remove wrong declaration of doloop_condition_get.
9361 2001-01-12 Phil Edwards <pme@sources.redhat.com>
9363 * extend.texi: Move C++-extension-related node from the C section
9364 into the C++ section.
9366 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
9368 * extend.texi: Refer to an array of pointers to functions instead
9369 of one of functions.
9371 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
9372 Jan Hubicka <jh@suse.cz>
9374 * combine.c (reversed_comparison): Fix typo in last patch.
9375 Check X for NULL.
9376 (combine_reversed_comparison_code): Make static to follow
9377 prototype declaration.
9379 2001-01-12 Phil Edwards <pme@sources.redhat.com>
9381 * install.texi: Remove misplaced duplicate entry.
9383 2001-01-11 Ulrich Drepper <drepper@redhat.com>
9385 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
9387 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
9389 * final.c: (leaf_function_p): Fix typo.
9391 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
9393 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
9394 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
9395 which you have.
9396 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
9397 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
9398 mmap_anon, and valloc is available.
9399 * ggc-page.c: Restructure ifdef logic to match new autoconf
9400 spec. Don't throw away the test page in init_ggc.
9402 * configure, config.in: Regenerate.
9404 2001-01-12 Michael Hayes <mhayes@redhat.com>
9406 * loop.h (total_biv_increment): Constify iv_class pointer.
9407 (struct induction): Replace `mem_mode' with `mem' rtx.
9408 * unroll.c (total_biv_increment): Constify iv_class pointer.
9409 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
9410 (find_mem_givs, combine_givs_p): Likewise.
9411 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
9413 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
9415 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
9416 LastError.
9417 (__gthread_getspecific): Ditto.
9419 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
9421 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
9422 put_condition_code): Convert fp comparison codes to integer
9423 before handling.
9424 (ix86_expand_fp_compare): Postnote the fp comparison code converison
9425 to final.
9427 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
9428 * i386-protos.h (no_comparison_operator): Kill.
9430 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
9432 * combine.c (REVERSIBLE_CC_MODE): Remove.
9433 (reversible_comparison_p): Remove.
9434 (combine_reversed_comparison_code): New.
9435 (reversed_comparison): New.
9436 (combine_simplify_rtx): Use
9437 combine_reversed_comparison_code/reversed_comparison instead
9438 of reversible_comparison_p.
9439 (simplify_if_then_else): Likewise.
9440 (simplify_set): Likewise.
9441 (simplify_logical): Likewise.
9442 (if_then_else_cond): Likewise.
9443 (known_cond): Likewise.
9444 (simplify_comparison): Likewise.
9446 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
9448 * builtins.c (std_expand_builtin_va_start): Handle varargs when
9449 sizeof (int) is larger than sizeof(__word__).
9451 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9453 * cppinit.c (do_includes): Fix typo.
9455 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9457 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
9458 in S_REGS does not occur because not all sources are possible
9459 when a S_REGS is a destination (sometimes needs a clobber).
9460 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
9461 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
9462 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
9463 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
9464 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
9465 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
9466 (lshrdi_const1, lshrsi3_const16): Likewise.
9467 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
9468 (*movhi_68hc12, *movqi_68hc12): Likewise.
9469 (movstrictqi): Make sure reloading in D_REGS as a destination
9470 does not happen.
9472 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9474 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
9476 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9478 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
9479 -D, -U and -A, and don't initialize the builtins.
9480 (do_includes): Error if -include or -imacros with -fpreprocessed.
9481 * cppmain.c (cb_define, cb_undef): Unconditionally process
9482 the callback.
9483 * tradcpp.c (main): Fix typo.
9485 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
9487 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
9488 (read_name_map): Use IS_ABSOLUTE_PATH.
9489 * tradcpp.c (get_filename): Likewise.
9491 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9493 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
9494 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
9495 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
9496 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
9497 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
9498 (cmphi_z_used): Don't use '@' for the output.
9499 (tstqi_z_used): Likewise.
9500 (cmpqi_z_used): Likewise.
9501 (one_cmplsi2): Likewise.
9503 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
9505 * config/sh/sh.c (barrier_align): Recognize branch around far
9506 branch and redundant insn.
9508 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9510 * invoke.texi: Restore documentation of the drivers' switches -MD
9511 and -MMD.
9513 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
9515 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
9517 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
9518 check-objc//%): Support parallel testing of multilibs.
9519 (TESTSUITEDIR): Set to testsuite by default, but override for
9520 parallel testing.
9521 (check-gcc, check-g++, check-g77, check-objc): Enter
9522 $(TESTSUITEDIR).
9524 2001-01-11 Bernd Schmidt <bernds@redhat.com>
9526 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
9527 * sched-deps.c (deps_may_trap_p): Likewise.
9528 * basic-block.h: Remove a comment.
9529 * flow.c (PROP_POSTRELOAD): Remove.
9530 (update_life_info): Don't add it to prop_flags.
9531 (mark_set_1): Lose the code that was enabled by it.
9533 2001-01-11 Michael Hayes <mhayes@redhat.com>
9535 * flow.c (flow_call_edges_add): New.
9536 * basic_block.h (flow_call_edges_add): New.
9538 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
9540 * reload1.c (move2add_note_store): Update reg_set_luid even if
9541 base reg remains the same.
9543 2001-01-10 Nick Clifton <nickc@redhat.com>
9545 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
9546 machine_function structure to zero.
9547 Add prototypes for machine_status functions.
9549 2001-01-10 Mark Mitchell <mark@codesourcery.com>
9551 * c-common.h (CTI_VOID_LIST): Remove.
9552 (void_list_node): Likewise.
9553 * tree.h (TI_VOID_LIST_NODE): New enumeral.
9554 (void_list_node): New macro.
9555 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
9556 * config/i386/i386.c (ix86_init_builtins): Likewise.
9557 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
9559 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9561 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
9562 * cppinit.c (cpp_start_read): Update comment, remove unneeded
9563 if statement.
9564 * tradcpp.c: Include mkdeps.h.
9565 (deps, print_deps_phony_targets, deps_append, output_deps,
9566 init_dependency_output, output_deps): New.
9567 (deps_buffer, deps_allocated_size, deps_size, deps_column,
9568 deps_output): Delete.
9569 (print_deps_missing_files): Rename deps_missing_files.
9570 (inhibit_output): Make global.
9571 (main): Delete inhibit_output, deps_stream, deps_target.
9572 Use mkdeps functionality in the same way as cpplib. Remove
9573 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
9574 -M and -MM. Remove old handling of deps via deps_out, and
9575 old reading of environment variables.
9576 (get_filename): Update to use deps_add_dep.
9578 2001-01-10 Mark Mitchell <mark@codesourcery.com>
9580 * output.h (make_function_rtl): Remove prototype.
9581 (make_decl_rtl): Likewise.
9582 * varasm.c (make_function_rtl): Remove.
9583 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
9584 than from a third parameter.
9585 * tree.h (make_decl_rtl): Remove last parameter.
9586 * c-decl.c (builtin_function): Remove last argument in call to
9587 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
9588 (start_function): Likewise.
9589 * except.c (call_get_eh_context): Likewise.
9590 * expr.c (emit_block_move): Likewise.
9591 (clear_storage): Likewise.
9592 * profile.c (output_func_start_profiler): Likewise.
9593 * toplev.c (rest_of_decl_compilation): Likewise.
9594 * objc/objc-act.c (create_builtin_decl): Likewise.
9595 (synth_module_prologue): Likewise.
9596 (generate_static_reference): Likewise.
9597 (build_selector_reference_decl): Likewise.
9598 (build_class_reference_decl): Likewise.
9599 (build_objc_string_decl): Likewise.
9600 (build_protocol_reference): Likewise.
9602 2001-01-10 Richard Henderson <rth@redhat.com>
9604 * hwint.h: Revert yesterday's change.
9606 2001-01-10 Nick Clifton <nickc@redhat.com>
9608 * function.h (save_machine_status): Delete.
9609 (restore_machine_status): Delete.
9610 Amend comment describing {init|mark|free}_machine_status.
9612 * function.c (save_machine_status): Delete.
9613 (restore_machine_status): Delete.
9614 Amend comment describing {init|mark|free}_machine_status.
9615 (push_function_context_to): Remove invocation of
9616 save_machine_status.
9617 (pop_function_context_from): Remove invocation of
9618 restore_machine_status.
9620 * emit-rtl.c (init_emit_once): Amend comment describing
9621 {init|mark|free}_machine_status.
9623 * tm.texi (Per-Function Data): New node. Describe the
9624 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
9625 function pointers.
9627 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9629 * cppinit.c (OPT_g): Remove.
9630 (cpp_handle_option): Update for removed -g3.
9631 (print_help): Update.
9632 * cpplib.h (struct cpp_options): Remove debug_output.
9633 * cppmain.c (setup_callbacks, cb_define): Update.
9634 * gcc.c (cpp_options): Translate -g3 to -dD.
9636 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
9638 * config/i960/i960.md: Change modifier to + on the zero_extract
9639 pattern after the (rotate -2 reg) canonicalization pattern.
9641 2001-01-10 Richard Henderson <rth@redhat.com>
9643 * config/alpha/alpha.c (alpha_free_machine_status): New.
9644 (override_options): Install it.
9645 (alpha_mark_machine_status): Verify machine non-null.
9646 * config/i386/i386.c (ix86_free_machine_status): New.
9647 (override_options): Install it.
9648 (ix86_init_machine_status): Use xcalloc.
9649 (ix86_mark_machine_status): Verify machine non-null.
9650 * config/ia64/ia64.c (ia64_free_machine_status): New.
9651 (ia64_override_options): Install it.
9652 (ia64_mark_machine_status): Verify machine non-null.
9654 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
9656 * function.c (instantiate_virtual_regs): Instantiate virtual
9657 registers found in CALL_INSN_FUNCTION_USAGE.
9659 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9661 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
9662 equivalent to -ansi in disabling -Di386.
9664 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
9666 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
9667 new functions.
9668 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
9670 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
9672 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
9674 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9676 * invoke.texi: Document that -fcond-mismatch isn't supported for
9677 C++.
9679 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9681 * gcc.texi: Define macro gcctabopt.
9682 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
9683 @command, @env and @option in some places where appropriate. Use
9684 @gcctabopt where appropriate. Put URLs and email addresses inside
9685 @w.
9687 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
9689 * gcc.c (cpp_options): Set MD file name from output
9690 filename, if specified.
9691 (suffix_subst): New static variable.
9692 (do_spec): Clear it.
9693 (do_spec_1, case '.'): Handle new `%.suffix' spec.
9694 Clear it.
9695 (give_switch): Handle suffix_subst.
9697 2001-01-10 Phil Edwards <pme@sources.redhat.com>
9699 * invoke.texi: Fix another typo.
9701 2001-01-10 Phil Edwards <pme@sources.redhat.com>
9703 * invoke.texi: Fix typo.
9705 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9707 * c-lang.c (lang_hooks): Update.
9708 (lang_decode_option): Remove.
9709 (lang_init_options): Rename c_init_options.
9710 * toplev.c (main): Use lang_hooks for lang_init_options
9711 and lang_decode_option.
9712 * toplev.h (lang_hooks): Add 2 new hooks.
9713 * tree.h: Remove lang_init_options and lang_decode_option.
9714 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
9715 * cp/decl2.c: Similarly.
9716 * cp/lex.c (lang_init_options): Rename cxx_init_options.
9717 (lang_hooks): Update.
9718 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
9719 for consistency.
9720 (lang_init_options): Rename ffe_init_options.
9721 (lang_hooks): Update.
9722 (lang_decode_option): Remove.
9723 * java/lang.c (lang_init_options): Rename java_init_options.
9724 (lang_decode_option): Rename java_decode_option.
9725 (lang_hooks): Update.
9726 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
9727 (lang_decode_option): Rename objc_decode_option.
9728 (lang_hooks): Update.
9730 2001-01-09 Nick Clifton <nickc@redhat.com>
9732 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
9733 (d30v_return_addr_rtx): Delete.
9734 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
9735 cfun->machine structure.
9736 (struct machine_function): Move to d30v.h
9737 (d30v_save_machine_status): Delete.
9738 (d30v_restore_machine_status): Delete.
9739 (d30v_init_machine_status): New Function.
9740 (d30v_mark_machine_status): New Function.
9741 (d30v_free_machine_status): New Function.
9742 (d30v_init_expanders): Use new functions.
9743 (d30v_return_addr): Use ra_rtx field in cfun->machine.
9744 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
9745 d30v_return_addr_rtx.
9747 * config/d30v/d30v.h (struct_machine): Move here.
9748 Add eh_epilogue_sp_ofs field.
9750 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
9751 field in cfun->machine structure.
9753 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
9755 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
9756 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
9757 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9759 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
9761 * objc/lang-options.h: Remove bogus reference to
9762 Java trademark.
9764 2001-01-09 Kazu Hirata <kazu@hxi.com>
9766 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
9767 return the result.
9769 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
9771 * reload.c (find_reloads_address): Check for eliminable registers
9772 when substituting a constant expression for a pseudo.
9774 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
9776 * c-common.c (enum format_type): Add format_type_error.
9777 (decode_format_type): New function.
9778 (decl_attributes): Use it.
9779 (format_kind_info): Adjust comment.
9781 2001-01-09 David O'Brien <obrien@BSDi.com>
9783 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
9784 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
9785 files in tm_file.
9786 * config/i386/gnu.h: Don't include required platform specific .h files,
9787 tm.h will do it instead.
9788 * config/i386/i386elf.h: Likewise.
9789 * config/i386/linux.h: Likewise.
9790 * config/i386/moss.h: Likewise.
9791 * config/mips/gnu.h: Likewise.
9793 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9795 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
9796 (rs6000-ibm-aix3.[01]*): Likewise.
9797 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
9798 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
9799 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
9800 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
9801 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
9802 (powerpc-*-eabiaix*): Likewise.
9803 (powerpc-*-eabisim*): Likewise.
9804 (powerpc-*-elf*): Likewise.
9805 (powerpc-*-eabi*): Likewise.
9806 (powerpc-*-rtems*): Likewise.
9807 (powerpc-*-linux*libc1): Likewise.
9808 (powerpc-*-linux*): Likewise.
9809 (powerpc-wrs-vxworks*): Likewise.
9810 (powerpcle-wrs-vxworks*): Likewise.
9811 (powerpcle-*-sysv*): Likewise.
9812 (powerpcle-*-elf*): Likewise.
9813 (powerpcle-*-eabisim*): Likewise.
9814 (powerpcle-*-eabi*): Likewise.
9815 (powerpcle-*-solaris2*): Likewise.
9816 * config/rs6000/aix31.h: Delete includes.
9817 * config/rs6000/aix3newas.h: Likewise.
9818 * config/rs6000/aix41.h: Likewise.
9819 * config/rs6000/aix43.h: Likewise.
9820 * config/rs6000/beos.h: Likewise.
9821 * config/rs6000/rtems.h: Likewise.
9822 * config/rs6000/sysv4.h: Likewise.
9824 2001-01-09 Kazu Hirata <kazu@hxi.com>
9826 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
9827 Change an argument mode of machine_mode to shift_mode of
9828 shift_mode. Remove an extra error check.
9829 (emit_a_shift): Adopt to the new calling prototype of
9830 get_shift_alg.
9831 (function_prologue): Fix code for a monitor
9832 function. Support H8/S.
9833 (function_epilogue): Do not output pop for a monitor function.
9835 2001-01-09 Nick Clifton <nickc@redhat.com>
9837 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
9838 (setup_incoming_varargs): Use sysv_varargs_p field of the
9839 cfun->machine structure.
9840 (struct machine_function): Move to rs6000.h
9841 (rs6000_save_machine_status): Delete.
9842 (rs6000_restore_machine_status): Delete.
9843 (rs6000_init_machine_status): New Function.
9844 (rs6000_free_machine_status): New Function.
9845 (rs6000_init_expanders): Use new functions.
9847 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
9848 export.
9849 (struct machine_function): Move here.
9851 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
9852 sysv_varargs_p field of the cfun->machine structure.
9854 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
9855 Remove prototype.
9856 (rs6000_restore_machine_status): Remove prototype.
9858 2001-01-09 Richard Henderson <rth@redhat.com>
9860 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
9861 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
9862 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
9863 (sched_analyze_2, sched_analyze_insn): Likewise.
9864 (sched_analyze, init_deps): Likewise.
9865 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
9866 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
9867 (compute_block_backward_dependences): Update propagate_deps call.
9869 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
9871 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
9873 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9875 * cppinit.c (OPT_MD, OPT_MMD): Restore.
9876 (cpp_handle_option): Handle them.
9877 (cpp_post_options): Ensure one of -M or -MM is specified with
9878 any other -M? option.
9879 (init_dependency_output): Suppress output with -MG.
9881 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9883 * cpp.texi: Update.
9884 * invoke.texi: Update.
9886 2001-01-09 Bernd Schmidt <bernds@redhat.com>
9888 * sh.md (reload_outsf): Generate recognizable patterns for
9889 TARGET_SH3E.
9891 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9893 * c-lang.c (lang_hooks): Update.
9894 (lang_init): Rename c_init.
9895 (lang_finish): Remove.
9896 * toplev.c (compile_file): Use lang_hooks for lang_init ()
9897 and lang_finish ().
9898 * toplev.h (lang_hooks): Add init () and finish ().
9899 * tree.h (lang_init, lang_finish): Remove.
9900 * cp/tree.h (lang_init, lang_finish): Remove.
9901 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
9902 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
9903 lang_hooks): New.
9904 (lang_init, lang_finish): Remove.
9905 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
9906 (lang_hooks): Update.
9907 * java/lang.c (lang_init): Rename java_init.
9908 (lang_finish): Remove.
9909 (lang_hooks): Update.
9910 * objc/objc-act.c (lang_init): Rename objc_init.
9911 (lang_finish): Remove.
9912 (lang_hoooks): Update.
9914 20001-01-09 Graham Stott <grahams@redhat.com>
9916 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
9917 after `ptr` is initialised.
9919 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9921 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
9922 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
9923 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
9924 stack adjusts, instead of r3.
9926 2001-01-09 Michael Hayes <mhayes@redhat.com>
9928 * flow.c (flow_loop_scan): Break out of ...
9929 (flow_loops_find) ... here.
9930 * basic-block.h (flow_loop_scan): New.
9931 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
9932 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
9934 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9936 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
9937 macro_buffer_len.
9938 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
9939 realloc()ing macro_buffer.
9941 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
9942 if it's wider than long and the target's long is wider than the
9943 host's.
9945 2001-01-09 Mark Mitchell <mark@codesourcery.com>
9947 Remove support for using UWIN as a host machine.
9948 * configure.in: Issue an error message.
9949 * configure: Regenerated.
9950 * config.gcc: Remove xm_* UWIN configury.
9951 * config/i386/xm-uwin.h: Remove.
9953 2001-01-08 Nick Clifton <nickc@redhat.com>
9955 * config/v850/v850.c (ra_rtx): Delete.
9956 (v850_save_machine_status): Delete.
9957 (v850_restore_machine_status): Delete.
9958 (v850_init_machine_status): New function.
9959 (v850_mark_machine_status): New function.
9960 (v850_free_machine_status): New function.
9961 (v850_return_addr): Use ra_rtx field in machine structure.
9962 (v850_init_expanders): Use new functions.
9964 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
9965 * config/v850/v850.c: Change arguments to v850_output+* functions
9966 to take a const char *, to avoid compile time warning.
9967 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
9968 (USER_LABEL_PREFIX): Redefine.
9970 2000-01-08 Jim Wilson <wilson@redhat.com>
9972 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
9973 1 to unsigned HOST_WIDE_INT before left shift.
9975 2001-01-08 Nick Clifton <nickc@redhat.com>
9977 * config/arm/arm.c (arm_mark_machine_status): Check to see if
9978 the machine structure has been allocated.
9979 (arm_free_machine_status): New function: Free the machine
9980 specific function structure.
9982 2001-01-08 Richard Henderson <rth@redhat.com>
9984 * jump.c (simplejump_p): Revert last change.
9986 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
9988 * cppinit.c (init): Rename init_library.
9989 (cpp_create_reader): Update.
9990 * gcc.c (cpp_options): If -o given, use it as the target of
9991 any -M options.
9993 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9995 * arm.c (arm_arch5e): New variable.
9996 (all_cores): XScale is a 5TE device.
9997 (arm_override_options): Set arm_arch5e.
9998 (arm_init_builtins): __builtin_prefetch is in arch5e.
9999 * arm.h (arm_arch5e): Declare it.
10001 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
10003 * arm.md (define_constants): Add defines for UNSPEC and
10004 UNSPEC_VOLATILE insns. Update all users.
10005 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
10006 * arm.c (multi_register_push, note_invalid_constants)
10007 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
10008 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
10009 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
10011 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
10013 * jump.c (jump_optimize_1): Use reversed_comparison_code
10014 instead of can_reverse_comparison_p.
10015 (jump_back_p): Likewise.
10016 (invert_exp_1): Likewise.
10017 (thread_jumps): Likewise.
10018 * simplify-rtx.c (simplify_unary_operation): Likewise.
10019 (simplify_ternary_operation): Likewise.
10020 * cse.c (find_comparison_args): Convert to use
10021 can_reverse_comparison_p.
10022 (record_jump_equiv): Likewise.
10024 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10026 * arm.h (HARD_REGNO_RENAME_OK): Delete.
10027 (EPILOGUE_USES): Define.
10028 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
10029 automatically stack the LR if it isn't live.
10031 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
10033 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
10034 properly.
10036 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
10038 * ggc-page.c (max_alignment): New structure.
10039 (MAX_ALIGNMENT): New macro.
10040 (init_ggc): Use it to round up the sizes in the
10041 extra_order_size_table.
10043 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10045 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
10046 after reload.
10048 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10050 * builtins.def (BUILT_IN_FPRINTF): New entry.
10052 * c-common.c (c_expand_builtin_fprintf): New function.
10053 (init_function_format_info): Handle __builtin_fprintf.
10054 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
10055 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
10057 * c-decl.c (duplicate_decls): Adjust comment.
10059 * extend.texi (fprintf): Document new builtin.
10061 2001-01-07 Richard Henderson <rth@redhat.com>
10063 * jump.c (simplejump_p): Recognize any single_set jump
10064 of the proper form.
10066 2001-01-07 Richard Henderson <rth@redhat.com>
10068 * configure.in (slibdir): Accept an --with-slibdir option.
10069 Use "test" not "[" in configure. Default to $(libdir).
10071 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
10072 fix typo in rm -f.
10073 * config/t-aix43 (SHLIB_INSTALL): Likewise.
10074 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
10075 (SHLIB_LINK): Create links for the soname.
10076 * config/mips/t-iris6: Likewise.
10077 * config/sparc/t-slibgcc: Likewise.
10078 * config/sparc/t-slibgcc-sld: Likewise.
10080 2001-01-07 Jakub Jelinek <jakub@redhat.com>
10082 * config/i386/i386.c (constant_call_address_operand): Accept
10083 (const (plus (symbol_ref) (const_int))).
10084 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
10085 constant_call_address_operand.
10087 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10089 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
10090 and LONG_LONG_TYPE_SIZE > 32.
10092 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10094 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
10095 the previous change.
10097 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
10099 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
10100 New.
10101 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
10102 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
10103 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
10104 Declare.
10106 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10108 * fix-header.c (read_scan_file): s/pfile/scan_in/.
10110 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10112 * c-lang.c (c_post_options): Call cpp_post_options.
10113 * objc/objc-act.c (objc_post_options): Similarly.
10114 * cppmain.c (main): Similarly.
10115 * fix-header.c (read_scan_file): Similarly.
10116 * cppinit.c (cpp_start_read): Move option consistency checks
10117 to cpp_post_options. Don't call init_dependency_output.
10118 If needed, add default target and main file dependency.
10119 (OPT_MD, OPT_MMD): Remove.
10120 (OPT_MF): New.
10121 (cpp_handle_option): Update for OPT_* changes.
10122 (cpp_post_options): New.
10123 (init_dependency_output): Command line -MF overrides environment
10124 variables. Don't set default target etc. Suppress output
10125 if dependencies are going to stdout.
10126 (print_help): Update.
10127 * cpplib.h (cpp_post_options): New.
10128 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
10130 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
10132 * jump.c (comparison_dominates_p): Support unordered compares.
10134 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
10136 * simplify-rtx.c (simplify_relational_operation): Always simplify
10137 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
10138 and UNGE.
10140 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
10142 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
10143 (nonzero_bits): Likewise.
10144 (simplify_comparison): Likewise.
10145 (num_sign_bit_copies): Likewise; return more sane value depending
10146 on STORE_FLAG_VALUE.
10147 (known_cond): Do not assume EQ to be always true for equivalent
10148 operands.
10150 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
10152 * cse.c (fold_rtx): Handle unordered comparisons.
10154 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
10156 * rtlanal.c (set_of_1): New static function.
10157 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
10158 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
10159 reg_set_last_last_regno): Remove.
10160 (set_of): New global function.
10161 (set_of_data): New structure.
10162 (reg_set_p, reg_set_last): Revamp for set_of.
10163 * rtl.h (set_of): New.
10165 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
10167 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
10168 * extend.texi: Document _Exit builtin.
10170 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10172 * (initialize, initialize_builtins,
10173 initialize_dependency_output, initialize_standard_includes):
10174 Rename s/initialize/init. Update.
10175 (init_dependency_output): Move to after
10176 cpp_handle_options, the correct location temporally at least.
10177 (opt_comp): Move next to init (), its caller. Fix prototype.
10178 (init): Make "initialized" local scope.
10179 (cpp_create_reader): Always call init ().
10180 (cpp_start_read): Update.
10181 (output_deps): New function, broken out of cpp_finish.
10182 (cpp_finish): Break out output_deps.
10184 2001-01-07 Richard Henderson <rth@redhat.com>
10186 * collect2.c (COFF specific stuff): Revert 12-06 patch
10187 to prototype system functions.
10189 2001-01-07 Michael Hayes <mhayes@redhat.com>
10191 * hard-reg-set.h: Add multiple include guard.
10192 * basic-block.h (struct loop): Add `sink' field.
10193 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
10194 (emit_iv_add_mult): Delete.
10195 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
10196 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
10197 (unroll_loop): Remove end_insert_before argument.
10198 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
10199 (maybe_eliminate_biv_1): Likewise.
10200 (emit_iv_add_mult): Delete.
10201 (gen_add_mult, loop_regs_update): New.
10202 (loop_insn_emit_after, loop_insn_emit_before): New.
10203 (loop_insn_sink, loop_insn_sink_or_swim): New.
10204 (emit_iv_add_mult): Delete.
10205 (scan_loop): Set loop->sink.
10206 (loop_givs_reduce): Use loop_insn_sink and its ilk.
10207 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
10208 (maybe_eliminate_biv_1): Likewise.
10209 (maybe_eliminate_biv_1): Add basic block argument.
10210 * unroll.c (unroll_loop): Remove end_insert_before argument.
10211 (find_splittable_regs): Likewise.
10212 (find_splittable_regs): Use loop_insn_sink and its ilk.
10213 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
10215 2001-01-07 Michael Hayes <mhayes@redhat.com>
10217 * loop.h (loop_insn_hoist): New prototype.
10218 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
10219 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
10220 (check_dbra_loop, load_mems): Likewise.
10221 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
10222 (find_splittable_givs): Likewise.
10224 2001-01-07 Michael Hayes <mhayes@redhat.com>
10226 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
10228 2001-01-07 Richard Henderson <rth@redhat.com>
10230 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
10232 2001-01-07 Richard Henderson <rth@redhat.com>
10234 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
10235 NO_SHARED_LIBGCC_MULTILIB as required for the target.
10236 * gcc.c (init_spec): Massage the existing libgcc_spec into a
10237 variant that handles a shared libgcc.
10238 (process_command): Always validate -{static,shared}-libgcc.
10239 (do_spec_1): New 'M' case.
10240 * invoke.text (Link Options): Document -{static,shared}-libgcc.
10242 2001-01-07 Richard Henderson <rth@redhat.com>
10244 * Makefile.in (slibdir): New variable.
10245 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
10246 (installdirs): Create slibdir.
10247 (install-libgcc, install-multilib): Defer to libgcc.mk.
10248 * configure.in (slibdir): Substitute.
10249 * mklibgcc.in (install): New target.
10251 * config/t-linux (SHLIB_LINK): Create links for the soname.
10252 (SHLIB_INSTALL): New.
10253 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
10254 * config/mips/t-iris6 (SHLIB_INSTALL): New.
10255 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
10256 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
10257 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
10259 2001-01-07 Richard Henderson <rth@redhat.com>
10261 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
10262 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
10263 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
10265 2001-01-07 Michael Hayes <mhayes@redhat.com>
10267 * loop.c (count_loop_regs_set): Delete.
10268 (load_mems_and_recount_loop_regs_set): Delete.
10269 (loop_regs_scan): Merge common code from count_loop_regs_set,
10270 scan_loop, and load_mems_and_recount_loop_regs_set.
10271 (scan_loop): Call load_mems directly and loop_regs_scan
10272 again if new registers created.
10274 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10276 * toplev.c (main): Call the front-end specific post_options
10277 hook if one is given.
10278 * toplev.h (struct_lang_hooks, lang_hooks): New.
10279 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
10280 for the C front end.
10281 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
10282 lang_hooks for the C++ front end.
10283 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
10284 lang_hooks for the ObjC front end.
10285 * f/com.c (lang_hooks): Hooks for the Fortran front end.
10286 * java/lang.c (lang_hooks): Hooks for the Java front end.
10288 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10290 * c-lex.c (init_c_lex): Request #define / #undef callbacks
10291 for verbose DWARF[2] debugging.
10292 (cb_define, cb_undef): The new callbacks.
10293 * toplev.h (debug_define, debug_undef): Make const correct.
10294 * toplev.c (debug_define, debug_undef): Similarly. Do not
10295 perform the verbosity tests here anymore.
10297 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
10299 * reload.c (subst_reloads): Take INSN argument. When
10300 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
10301 * reload.h (subst_reloads): Adjust prototype.
10302 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
10303 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
10304 present in JUMP_INSNs and copy them to JUMP_LABEL.
10305 * flow.c (find_label_refs, find_basic_blocks_1): Skip
10306 JUMP_INSNs and insns with REG_LABELs that are followed by
10307 JUMP_INSNs with the same REG_LABEL.
10308 * sched-rgn.c (is_cfg_nonregular): Likewise.
10309 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
10310 note is available.
10311 * unroll.c (unroll_loop): Look for REG_LABEL notes in
10312 JUMP_INSNs too.
10313 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
10315 2001-01-06 Richard Henderson <rth@redhat.com>
10317 * loop.c (scan_loop): Use xcalloc for the regs array.
10318 (load_mems_and_recount_loop_regs_set): Zero the new memory
10319 received from xrealloc.
10321 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
10323 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
10325 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
10327 * integrate.c (copy_rtx_and_substitute): When copying
10328 an ignored return value, strip REG_FUNCTION_VALUE_P.
10330 2001-01-06 Michael Hayes <mhayes@redhat.com>
10332 * loop.c (debug_biv, debug_giv): New.
10333 (loop_biv_dump): Break out from ...
10334 (record_biv): ... here.
10335 (loop_giv_dump): Break out from ...
10336 (record_giv): ... here.
10337 (loop_bivs_check): Use print_simple_rtl.
10338 * unroll.c (loop_iterations): Use print_simple_rtl.
10340 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
10342 * pa.md (return, return_internal): Modify patterns to prevent regrename
10343 mucking with the return pointer.
10345 2001-01-05 Richard Henderson <rth@redhat.com>
10347 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
10349 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
10351 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
10352 version supplied by Matteo Frigo.
10354 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
10356 * cpp.texi: Update for -MQ.
10357 * cppinit.c (cpp_create_reader): Always create pfile->deps.
10358 (cpp_cleanup): Always free pfile->deps.
10359 (initialize_dependency_output): Don't create pfile->deps.
10360 (cpp_handle_option): Similarly.
10361 (OPT_MQ): New.
10362 * gcc.c (cpp_options): Handle -MQ.
10363 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10364 * mkdeps.c (base_name): Remove.
10365 (deps_init): Don't allocate vector space until it's needed.
10366 (deps_free): Only free vectors if allocated.
10367 (deps_add_target, deps_add_dep): Update for initial allocation.
10368 (deps_add_default_target): Don't strip to the base_name.
10370 2001-01-05 DJ Delorie <dj@redhat.com>
10372 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
10373 (INIT_EXPANDERS): Define.
10375 * config/v850/v850.c (struct machine_function): Define.
10376 (v850_save_machine_status): New function.
10377 (v850_restore_machine_status): New function.
10378 (v850_return_addr): New function.
10379 (v850_init_expanders): New function.
10381 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
10382 and v850_init_expanders.
10384 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
10386 * cpplib.h (struct cpp_reader): Add help_only field.
10387 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
10388 (cpp_handle_option): Set pfile->help_only if we see -h,
10389 --help, -target-help, or --version. Print version string but
10390 do not set help_only if we see -v or -version. Make text
10391 printed by -v match that printed by (-)-version.
10393 * cppmain.c (main): Exit after option parsing if
10394 pfile->help_only is true.
10396 * toplev.c (independent_decode_option): Call print_version,
10397 then exit, if we see --version (but not -version).
10398 (print_version): Split lengthy message into two lines.
10400 2001-01-05 Nick Clifton <nickc@redhat.com>
10402 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
10403 temporary string for initialisation before calling ggc_alloc_string.
10405 2001-01-06 Michael Hayes <mhayes@redhat.com>
10407 * rtl.h (print_simple_rtl): New.
10408 * print-rtl.c (print_simple_rtl): New.
10409 (flag_simple): New.
10410 (print_rtx): Disable printing of flags and modes, etc.,
10411 if `flag_simple` nonzero.
10413 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
10415 * function.c (fixup_var_refs): Use push_to_full_sequence where
10416 possible.
10418 2001-01-05 Michael Meissner <meissner@redhat.com>
10420 * flags.h (flag_reorder_blocks): Add declaration.
10421 (flag_rename_block): Ditto.
10423 2001-01-05 DJ Delorie <dj@redhat.com>
10425 * function.c (reorder_blocks): Make sure the flags are all reset
10426 before using them to mark blocks, else a second invocation will
10427 corrupt the block chain.
10428 (reorder_blocks_0): New, resets the flags.
10430 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
10432 * cse.c (find_comparison_args): Stop if the argument is known to
10433 be constant.
10435 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10437 * config/sh/sh.md (movdf): When splitting load into pair of
10438 registers, don't clobber the register used in the address too
10439 early.
10441 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
10443 * varasm.c (mark_constant_pool): Improve initial comments.
10444 (mark_constants): Move marking of constants to mark_constant.
10445 (mark_constant): New function to recursively mark all constants
10446 referred to by a constant.
10448 2001-01-05 Catherine Moore <clm@redhat.com>
10450 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
10452 2001-01-05 Phil Edwards <pme@sources.redhat.com>
10454 * cp/lang-options.h: Bring comment in line with reality.
10455 * f/lang-options.h: Likewise.
10456 * java/lang-options.h: Likewise.
10457 * objc/lang-options.h: Likewise.
10458 * ch/lang-options.h: Likewise.
10459 * f/g77.texi: And update the manual.
10461 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
10462 Denis Chertykov <denisc@overta.ru>
10464 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
10465 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
10466 * config/avr/avr.md (all peepholes that request a scratch register):
10467 Call it, FAIL the peephole if not safe (in interrupt functions).
10469 2001-01-05 Mark Mitchell <mark@codesourcery.com>
10471 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
10473 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
10475 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
10476 Define.
10477 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
10478 BUILT_IN_CREAL and BUILT_IN_CIMAG.
10479 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
10480 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
10481 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
10482 BUILT_IN_CIMAG.
10483 * extend.texi: Document these builtins.
10485 2001-01-05 Daniel Berlin <dberlin@redhat.com>
10487 * c-common.c (lang_get_alias_set): Say we know nothing of
10488 VECTOR_TYPE aliasing.
10490 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
10492 2001-01-05 Bruce Korb <bkorb@gnu.org>
10494 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
10495 their x* equivalent versions for atexit-less systems
10496 * fixinc/fixincl.c(main): do not return from main() on atexit-less
10497 systems (or any other system any more).
10499 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
10501 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
10502 output operands. Use arm_hard_register_operand for operand 4.
10503 (stmsi_postinc): Similarly.
10504 (ldmsi): Use arm_hard_register_operand for opernand 2.
10505 (stmsi): Similarly.
10506 * arm.c (arm_hard_register_operand): New function.
10507 * arm-protos.h (arm_hard_register_operand): Prototype it.
10509 * arm.h (HARD_REGNO_RENAME_OK): Define.
10511 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
10513 * simplify-rtx.c (cfc_args): add "unordered" field.
10514 (check_fold_consts): Set unordered field.
10515 (simplify_relational_operation): Simplify the unordered
10516 comparisons.
10518 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
10519 is valid.
10521 * emit-rtl.c (try_split): Fix code to mark labels.
10522 * jump.c (mark_jump_label): Make global.
10523 * rtl.h (mark_jump_label): Declare.
10525 * predict.c (estimate_probability): Handle unordred comparisons.
10527 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
10529 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
10530 * cppinit.c (initialize_dependency_output): Update.
10531 (cpp_finish): Output dummy targets for -MP.
10532 (OPT_MP): New.
10533 (cpp_handle_option): Handle -MP. Don't quote -MT options.
10534 * cpplib.h (struct cpp_options): Add deps_phony_targets.
10535 * gcc.c (cpp_options): Update to handle -MP.
10536 * mkdeps.c (deps_add_target, deps_add_default_target): Update
10537 to quote only the default target.
10538 (deps_phony_targets): Insert a preceding newline. Rename from
10539 deps_dummy_targets for consistency.
10540 * mkdeps.h: Update
10542 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10544 * calls.c (emit_library_call_value_1): Support
10545 INIT_CUMULATIVE_LIBCALL_ARGS.
10546 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
10548 2001-01-04 Richard Henderson <rth@redhat.com>
10550 * c-decl.c (finish_struct): Detect flexible array members
10551 used in an inappropriate context.
10552 * c-typeck.c (really_start_incremental_init): Special case
10553 constructor_max_index for zero length arrays.
10554 (pop_init_level): Allow initialization of flexible array
10555 members. Deprecate initialization of zero length arrays.
10556 Don't issue missing initializer warning for flexible array
10557 members or zero length arrays.
10558 (process_init_element): Don't dereference null DECL_SIZE.
10559 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
10560 Don't abort for empty constructors. Use size_binop
10561 (output_constructor): Add commentary regarding zero length
10562 array futures. Abort if we try to initialize an array of
10563 unspecified length with a non-empty constructor in the middle
10564 of a structure.
10566 * extend.texi (Zero Length): Update and clarify documentation
10567 on static initialization.
10569 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10571 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
10572 with more than 32767 words of local storage.
10574 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10576 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
10577 for 'abs', 'labs', and 'fabs'.
10578 (c4x_expand_builtin): Likewise.
10579 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
10581 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10583 * config/sh/sh.md (prget, prset): New insn types.
10584 (return delay slot): Dont' allow prset.
10585 (call, sfunc delay slot): Don't allow prget.
10586 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
10587 for prset and prget.
10589 2001-01-05 Michael Hayes <mhayes@redhat.com>
10591 * loop.h (struct loop_reg): New.
10592 (struct loop_regs): Change to use array of `struct loop_reg'.
10593 * loop.c: Replace assortment of varrays with single regs array.
10594 (count_one_set): Delete may_not_move array argument
10595 and use regs array instead. All caller's changed.
10596 (count_loop_regs_set): Delete may_not_move and single_usage
10597 arguments and use regs array instead. All caller's changed.
10598 (find_single_use_in_loop): Replace usage array argument with pointer
10599 to regs structure. All caller's changed.
10600 (loop_optimize): Delete `moved_once' array.
10602 2001-01-05 Michael Hayes <mhayes@redhat.com>
10604 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
10605 Use it instead of loop_info->has_call for scanning loop mems.
10606 (check_dbra_loop): Replace loop_info->has_call test with
10607 loop_info->has_nonconst_call.
10609 2000-01-04 Matthew Hiller <hiller@redhat.com>
10611 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
10612 for TARGET_SH3E.
10614 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10616 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
10617 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
10619 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10621 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
10622 (flag_short_double, flag_short_wchar): Define.
10623 (c_common_nodes_and_builtins): Create many tree nodes shared
10624 between C and C++ here instead of in cp/decl.c and ...
10625 * c-decl.c (init_decl_processing): ... here.
10626 (SIZE_TYPE, WCHAR_TYPE): Don't define.
10627 (flag_short_double, flag_short_wchar): Don't define.
10628 (record_builtin_type): New function.
10629 (build_void_list_node): New function.
10630 * c-common.h (flag_short_double, flag_short_wchar,
10631 record_builtin_type, build_void_list_node): Declare.
10633 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
10635 * integrate.c (expand_inline_function): Don't put a virtual
10636 register into the reg map.
10638 * function.c (fixup_var_refs_1): If force_operand didn't put
10639 the address into the target, move it there.
10641 2001-01-04 Mark Mitchell <mark@codesourcery.com>
10643 Special-case tree_decl/tree_list allocations.
10644 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
10645 (OBJECT_SIZE): New macro.
10646 (NUM_EXTRA_ORDER): Likewise.
10647 (extra_order_size_table): New variable.
10648 (NUM_ORDERS): New macro.
10649 (objects_per_page_table): New variable.
10650 (object_size_table): New variable.
10651 (G.pages): Use NUM_ORDERS to bound the array.
10652 (G.page_tails): Likewise.
10653 (DIV_ROUND_UP): Remove.
10654 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
10655 (alloc_page): Use OBJECT_SIZE.
10656 (size_lookup): Don't make it const.
10657 (ggc_alloc): Use OBJECT_SIZE.
10658 (ggc_set_mark): Likewise.
10659 (ggc_get_size): Likewise.
10660 (init_ggc): Set up the object_size_table, objects_per_page_table,
10661 and adjust size_lookup.
10662 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
10663 (ggc_pop_context): Use NUM_ORDERS.
10664 (clear_marks): Likewise.
10665 (sweep_pages): Likewise.
10666 (poison_pages): Likewise.
10667 (ggc_print_statistics): Use OBJECT_SIZE.
10669 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10671 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
10672 Only call array_size_for_constructor if last field and array type
10673 with no upper bound.
10675 2001-01-04 Philip Blundell <philb@gnu.org>
10677 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
10678 from bit 31 downwards, if this requires no more insns.
10679 (count_insns_for_constant): New helper function for above.
10681 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
10683 * gencodes.c (output_predicate_decls): Remove empty initializer.
10685 2001-01-04 Mark Mitchell <mark@codesourcery.com>
10687 * tree.c (copy_node): Remove documentation about obstacks.
10688 (buidl1): Check that nobody tries to build 2-argument nodes this
10689 way.
10691 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10693 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
10694 fp_high_losum_p.
10696 * gencodes.c (output_predicate_decls): Fill empty initializer
10697 braces.
10699 2001-01-04 Jakub Jelinek <jakub@redhat.com>
10701 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
10702 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
10703 or -MM.
10704 (do_include): Handle missing headers like cpp0.
10705 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
10706 paths with first include pathname. Don't strcat to uninitialized
10707 string.
10709 2001-01-04 Bernd Schmidt <bernds@redhat.com>
10711 * regrename.c (regrename_optimize): Don't rename from frame pointer
10712 if frame_pointer_needed.
10713 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
10714 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
10715 (ia64_reorg): Use it instead of scheduling if ! optimize.
10716 (errata_emit_nops): Properly call asm_noperands.
10717 (ia64_sched_reorder): Finish cycle if we see an asm.
10718 (ia64_variable_issue): Clear scheduling state after asms.
10720 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
10722 * cpp.texi: Update for -MT.
10723 * cppinit.c (initialize_dependency_output): Add a default
10724 target if none has been given already.
10725 (no_tgt, OPT_MT): New.
10726 (cpp_handle_option): Handle -MT. Update -M etc.
10727 * cpplib.h (struct cpp_options): Remove deps_target.
10728 * gcc.c (cpp_options): Handle -MT.
10729 * mkdeps.c (struct deps): Move from mkdeps.h.
10730 (deps_calc_target): Rename deps_add_default_target. Add a
10731 default target if none has been specified already.
10732 * mkdeps.h (struct deps): Move to mkdeps.c.
10733 (deps_calc_target): Rename deps_add_default_target.
10735 2000-01-03 Richard Henderson <rth@redhat.com>
10737 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
10738 Remove dead code.
10739 * c-typeck.c (push_init_level): Move checks for flexible array
10740 members and zero length arrays ...
10741 (pop_init_level): ... here. Silently discard empty initializations.
10742 Remove dead code.
10743 * varasm.c (output_constructor): Update for sizeof change to
10744 zero-length arrays.
10746 * extend.texi (Zero Length): Clarify semantics.
10748 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10750 * configure.in (tm.h): Include isns-codes.h last.
10751 * configure: Rebuilt.
10753 2001-01-03 Richard Henderson <rth@redhat.com>
10755 * config/alpha/alpha.md (addvsi3, addvdi3): New.
10756 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
10758 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10760 * tradcpp.c (main): Make sure finclude() is called with a valid
10761 indepth value while handling -include.
10763 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10765 * gencodes.c (output_predicate_decls): New function.
10766 (main): Call it.
10767 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
10768 even if it is not the first time machmode.h is #included.
10769 * config/sh/sh.c (fpul_operand): Declare MODE argument.
10770 * tm.texi (PREDICATE_CODES): Document predicate declarations.
10771 * gcc.texi (Copyright): Added 2001.
10773 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10775 * c-common.c (c_common_lang_init): New function. Warn if format
10776 warning options which only have effects when used with -Wformat
10777 are used without -Wformat.
10778 * c-common.h (c_common_lang_init): Declare.
10779 * c-lang.c (lang_init): Call c_common_lang_init.
10780 * objc/objc-act.c (lang_init): Call c_common_lang_init.
10782 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10784 * configure.in: Check for the mktemp command.
10785 * configure: Regenerate.
10786 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
10787 $TEMP. Create temporary files with mktemp, if available at
10788 configure time; otherwise use set -C. Remove temporary files
10789 before exit.
10791 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10793 * configure.in: Require at least texinfo 4.0. Check for whether
10794 Pod::Man is sufficiently recent to regenerate GCC manpages.
10795 * configure: Regenerate.
10796 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
10797 on #!.
10798 (GENERATED_MANPAGES): Define.
10799 (generated-manpages): New target. Depend on cpp.1 as well as
10800 gcov.1.
10801 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
10802 configure to generated-manpages or empty) rather than on the
10803 manpages directly. Remove execute permission from installed
10804 gcov.1 as well as cpp.1.
10805 * cpp.1, gcov.1: Regenerate.
10807 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10809 * builtins.c (expand_builtin_strncmp): Use host_integerp and
10810 tree_low_cst. Allow using cmpstrsi in more cases.
10812 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10814 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
10815 sized types.
10817 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
10819 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
10820 * Makefile.in (HOST_CFLAGS): Mention build-make.
10822 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10824 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
10825 as JUMP_INSN.
10827 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10829 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
10830 a REG rtx.
10832 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
10833 callers changed.
10835 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
10836 reg_base_value and reg_known_value arrays.
10837 (init_alias_analysis): Add more cases to detect known values.
10838 * sched-deps.c (deps_may_trap_p): New function.
10839 (sched_analyze_2): Use it.
10841 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10843 * combine.c (simplify_shift_const): Even if we're sign-extracting,
10844 don't discard an ASHIFTRT if we're shifting in a wider mode.
10846 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
10848 * toplev.c (rest_of_compilation): Don't print basic block information
10849 when CFG isn't up to date.
10851 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
10853 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
10854 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
10855 (UNALIGNED_SHORT_ASM_OP): Define.
10856 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
10858 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10860 * fold-const.c (fold_convert): Fix typo.
10862 2001-01-02 Richard Henderson <rth@redhat.com>
10864 * c-common.h (ASM_INPUT_P): New.
10865 * c-parse.in (asm): Set it when needed.
10866 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
10867 existance of an operand.
10869 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
10871 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
10872 (dwarf2out_frame_debug_expr): Likewise.
10873 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
10875 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
10877 * i386.c (ix86_split_to_parts): Return number of part required;
10878 handle TFmodes.
10879 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
10880 TFmodes.
10881 (ix86_split_long_move): Use number of part returned
10882 by ix86_split_to_parts
10883 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
10884 New macros.
10885 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
10886 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
10887 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
10888 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
10889 (ALIGN_MODE_128): Add TFmode.
10890 (IS_STACK_MODE): Likewise.
10891 (HARD_REGNO_NREGS): TFmode needs 3 registers.
10892 (HARD_REGNO_OK): Support TFmodes.
10893 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
10894 * i386.md (scheduler definitions): Use memory operand to determine
10895 fst/fld instructions; use mode attribute to determine real mode of
10896 the instruction.
10897 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
10898 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
10900 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10902 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
10904 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10906 * expr.c (store_constructor_field): Update ALIGN before calling
10907 store_constructor.
10909 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10911 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
10912 host_integerp.
10914 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10916 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
10917 incomplete type.
10919 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10921 * c-decl.c (start_function): Don't warn on third parameter to main.
10923 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10925 * tsystem.h: Define HAVE_DECL_GETOPT.
10927 2001-01-02 Philip Blundell <pb@futuretv.com>
10929 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
10930 of input operand.
10932 2001-01-02 Richard Henderson <rth@redhat.com>
10934 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
10936 2001-01-02 Andreas Jaeger <aj@suse.de>
10938 * c-decl.c (c_decode_option): Remove support of
10939 -Wmissing-noreturn.
10941 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
10942 (W_options): Add -Wmissing-noreturn here.
10944 * flow.c: Define lang_missing_noreturn_ok_p.
10945 (check_function_return_warnings): Use it.
10947 * c-common.h: Declare lang_missing_noreturn_ok_p.
10949 * c-lang.c (c_missing_noreturn_ok_p): New function.
10950 (lang_init): Set lang_missing_noreturn_ok_p.
10952 * invoke.texi (Warning Options): Document this.
10954 2000-12-27 Phil Edwards <pme@sources.redhat.com>
10956 * extend.texi (C++ Extensions): New node for C++ attributes;
10957 describe init_priority and com_interface.
10958 * invoke.texi: Remove -finit-priority as it now has zero effect.
10959 * install.texi: Fix xref syntax.
10960 * md.texi: Likewise.
10962 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10964 * config.gcc (sparc64-wrs-vxworks*): New case.
10965 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
10967 * config/sparc/sparc.c (sparc_override_options): Do support different
10968 pointer and architecture size.
10969 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
10970 (POINTERS_EXTEND_UNSIGNED): Define.
10971 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
10972 (FUNCTION_MODE): Define to be Pmode.
10973 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
10975 * function.c (expand_function_end): Properly handle DECL_RESULT
10976 and copy when ptr_mode != Pmode.
10977 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
10979 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10981 * c-common.c (c_common_nodes_and_builtins): Set prototype
10982 parameters for __builtin_fputs, __builtin_fputc and
10983 __builtin_fwrite. Don't declare plain fputc as a builtin.
10985 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
10987 * loop.c (add_label_notes): Increment the label usage count when
10988 a note is added to an insn which refers to a CODE_LABEL.
10989 * gcse.c (add_label_notes): Likewise.
10991 2001-01-01 Andreas Jaeger <aj@suse.de>
10993 * loop.c (scan_loop): Use xmalloc to allocate movables.
10995 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
10997 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
10998 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
10999 * reload1.c (REGISTER_MOVE_COST): Likewise.
11000 * regclass.c (REGISTER_MOVE_COST): Likewise.
11001 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
11002 dimension. Adjust all users.
11003 (init_reg_sets_1): Iterate on all modes.
11004 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
11005 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
11006 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
11007 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
11008 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
11009 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
11010 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
11011 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
11012 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
11013 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
11014 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
11015 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
11016 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
11017 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
11018 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
11019 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
11020 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
11021 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
11022 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
11023 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
11024 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
11025 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
11026 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
11027 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
11028 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
11029 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
11030 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
11032 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11034 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
11035 arg VARIES_P. Call it with extra arg.
11036 (true_dependence): Likewise.
11037 * rtl.h (rtx_addr_can_trap_p): Declare.
11038 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
11039 prototypes.
11040 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
11041 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
11042 pic offset table register if it's zero. All callers changed.
11043 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
11045 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11047 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
11048 STRING_POOL_ADDRESS_P.
11050 * config/sparc/sparc.c (input_operand): Properly test for short op.
11052 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
11053 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
11054 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
11055 * config/sparc/elf.h: No longer include sol2.h.
11056 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
11057 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
11059 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
11061 2001-01-01 Michael Hayes <mhayes@redhat.com>
11063 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
11064 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
11065 (record_initial): Likewise.
11066 * unroll.c (copy_loop_body, loop_iterations): Likewise.
11067 (remap_split_bivs): Likewise.
11069 2001-01-01 Michael Hayes <mhayes@redhat.com>
11071 * loop.c (loop_ivs_free): New function.
11072 (strength_reduce): Break out from...
11074 2001-01-01 Michael Hayes <mhayes@redhat.com>
11076 * loop.h (struct iv): New.
11077 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
11078 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
11079 'reg_biv_class' fields with 'regs' and 'n_regs'.
11080 (struct ivs): Rename 'loop_iv_list' field to 'list'.
11081 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
11082 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
11084 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
11086 * resource.c (mark_referenced_resources): Abort() before
11087 attempting to mark a pseudo register.
11088 (mark_set_resources): Likewise.
11090 2001-01-01 Michael Hayes <mhayes@redhat.com>
11092 * loop.h (REG_IV_CLASS): New accessor macro.
11093 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
11094 * unroll.c (REG_IV_CLASS): Likewise.
11096 See ChangeLog.4 for earlier changes.